David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 1 | /* |
| 2 | * QLogic iSCSI HBA Driver |
Vikas Chaudhary | 4a4f51e | 2013-08-16 07:03:04 -0400 | [diff] [blame] | 3 | * Copyright (c) 2003-2013 QLogic Corporation |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 4 | * |
| 5 | * See LICENSE.qla4xxx for copyright and licensing details. |
| 6 | */ |
| 7 | #include <linux/moduleparam.h> |
Tejun Heo | 5a0e3ad | 2010-03-24 17:04:11 +0900 | [diff] [blame] | 8 | #include <linux/slab.h> |
Manish Rangankar | 2a991c2 | 2011-07-25 13:48:55 -0500 | [diff] [blame] | 9 | #include <linux/blkdev.h> |
| 10 | #include <linux/iscsi_boot_sysfs.h> |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 11 | #include <linux/inet.h> |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 12 | |
| 13 | #include <scsi/scsi_tcq.h> |
| 14 | #include <scsi/scsicam.h> |
| 15 | |
| 16 | #include "ql4_def.h" |
David C Somayajulu | bee4fe8 | 2007-05-23 18:03:32 -0700 | [diff] [blame] | 17 | #include "ql4_version.h" |
| 18 | #include "ql4_glbl.h" |
| 19 | #include "ql4_dbg.h" |
| 20 | #include "ql4_inline.h" |
Vikas Chaudhary | 6e7b429 | 2012-08-22 07:55:08 -0400 | [diff] [blame] | 21 | #include "ql4_83xx.h" |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 22 | |
| 23 | /* |
| 24 | * Driver version |
| 25 | */ |
Adrian Bunk | 4797547 | 2007-04-26 00:35:16 -0700 | [diff] [blame] | 26 | static char qla4xxx_version_str[40]; |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 27 | |
| 28 | /* |
| 29 | * SRB allocation cache |
| 30 | */ |
Christoph Lameter | e18b890 | 2006-12-06 20:33:20 -0800 | [diff] [blame] | 31 | static struct kmem_cache *srb_cachep; |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 32 | |
| 33 | /* |
| 34 | * Module parameter information and variables |
| 35 | */ |
Vikas Chaudhary | a7380a6 | 2012-02-27 03:08:56 -0800 | [diff] [blame] | 36 | static int ql4xdisablesysfsboot = 1; |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 37 | module_param(ql4xdisablesysfsboot, int, S_IRUGO | S_IWUSR); |
| 38 | MODULE_PARM_DESC(ql4xdisablesysfsboot, |
Karen Higgins | a4e8a71 | 2012-01-11 02:44:20 -0800 | [diff] [blame] | 39 | " Set to disable exporting boot targets to sysfs.\n" |
| 40 | "\t\t 0 - Export boot targets\n" |
| 41 | "\t\t 1 - Do not export boot targets (Default)"); |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 42 | |
Vikas Chaudhary | 3573bfb | 2012-02-27 03:08:57 -0800 | [diff] [blame] | 43 | int ql4xdontresethba; |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 44 | module_param(ql4xdontresethba, int, S_IRUGO | S_IWUSR); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 45 | MODULE_PARM_DESC(ql4xdontresethba, |
Karen Higgins | a4e8a71 | 2012-01-11 02:44:20 -0800 | [diff] [blame] | 46 | " Don't reset the HBA for driver recovery.\n" |
| 47 | "\t\t 0 - It will reset HBA (Default)\n" |
| 48 | "\t\t 1 - It will NOT reset HBA"); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 49 | |
Karen Higgins | a4e8a71 | 2012-01-11 02:44:20 -0800 | [diff] [blame] | 50 | int ql4xextended_error_logging; |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 51 | module_param(ql4xextended_error_logging, int, S_IRUGO | S_IWUSR); |
Andrew Vasquez | 11010fe | 2006-10-06 09:54:59 -0700 | [diff] [blame] | 52 | MODULE_PARM_DESC(ql4xextended_error_logging, |
Karen Higgins | a4e8a71 | 2012-01-11 02:44:20 -0800 | [diff] [blame] | 53 | " Option to enable extended error logging.\n" |
| 54 | "\t\t 0 - no logging (Default)\n" |
| 55 | "\t\t 2 - debug logging"); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 56 | |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 57 | int ql4xenablemsix = 1; |
| 58 | module_param(ql4xenablemsix, int, S_IRUGO|S_IWUSR); |
| 59 | MODULE_PARM_DESC(ql4xenablemsix, |
Karen Higgins | a4e8a71 | 2012-01-11 02:44:20 -0800 | [diff] [blame] | 60 | " Set to enable MSI or MSI-X interrupt mechanism.\n" |
| 61 | "\t\t 0 = enable INTx interrupt mechanism.\n" |
| 62 | "\t\t 1 = enable MSI-X interrupt mechanism (Default).\n" |
| 63 | "\t\t 2 = enable MSI interrupt mechanism."); |
David C Somayajulu | 477ffb9 | 2007-01-22 12:26:11 -0800 | [diff] [blame] | 64 | |
Mike Christie | d510d96 | 2008-07-11 19:50:33 -0500 | [diff] [blame] | 65 | #define QL4_DEF_QDEPTH 32 |
Vikas Chaudhary | 8bb4033 | 2011-03-21 03:34:31 -0700 | [diff] [blame] | 66 | static int ql4xmaxqdepth = QL4_DEF_QDEPTH; |
| 67 | module_param(ql4xmaxqdepth, int, S_IRUGO | S_IWUSR); |
| 68 | MODULE_PARM_DESC(ql4xmaxqdepth, |
Karen Higgins | a4e8a71 | 2012-01-11 02:44:20 -0800 | [diff] [blame] | 69 | " Maximum queue depth to report for target devices.\n" |
| 70 | "\t\t Default: 32."); |
Mike Christie | d510d96 | 2008-07-11 19:50:33 -0500 | [diff] [blame] | 71 | |
Tej Parkash | f7b4aa6 | 2012-04-30 04:12:19 -0700 | [diff] [blame] | 72 | static int ql4xqfulltracking = 1; |
| 73 | module_param(ql4xqfulltracking, int, S_IRUGO | S_IWUSR); |
| 74 | MODULE_PARM_DESC(ql4xqfulltracking, |
| 75 | " Enable or disable dynamic tracking and adjustment of\n" |
| 76 | "\t\t scsi device queue depth.\n" |
| 77 | "\t\t 0 - Disable.\n" |
| 78 | "\t\t 1 - Enable. (Default)"); |
| 79 | |
Vikas Chaudhary | 3038727 | 2011-03-21 03:34:32 -0700 | [diff] [blame] | 80 | static int ql4xsess_recovery_tmo = QL4_SESS_RECOVERY_TMO; |
| 81 | module_param(ql4xsess_recovery_tmo, int, S_IRUGO); |
| 82 | MODULE_PARM_DESC(ql4xsess_recovery_tmo, |
Vikas Chaudhary | 3573bfb | 2012-02-27 03:08:57 -0800 | [diff] [blame] | 83 | " Target Session Recovery Timeout.\n" |
Karen Higgins | a4e8a71 | 2012-01-11 02:44:20 -0800 | [diff] [blame] | 84 | "\t\t Default: 120 sec."); |
Vikas Chaudhary | 3038727 | 2011-03-21 03:34:32 -0700 | [diff] [blame] | 85 | |
Tej Parkash | 068237c8 | 2012-05-18 04:41:44 -0400 | [diff] [blame] | 86 | int ql4xmdcapmask = 0x1F; |
| 87 | module_param(ql4xmdcapmask, int, S_IRUGO); |
| 88 | MODULE_PARM_DESC(ql4xmdcapmask, |
| 89 | " Set the Minidump driver capture mask level.\n" |
| 90 | "\t\t Default is 0x1F.\n" |
| 91 | "\t\t Can be set to 0x3, 0x7, 0xF, 0x1F, 0x3F, 0x7F"); |
| 92 | |
| 93 | int ql4xenablemd = 1; |
| 94 | module_param(ql4xenablemd, int, S_IRUGO | S_IWUSR); |
| 95 | MODULE_PARM_DESC(ql4xenablemd, |
| 96 | " Set to enable minidump.\n" |
| 97 | "\t\t 0 - disable minidump\n" |
| 98 | "\t\t 1 - enable minidump (Default)"); |
| 99 | |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 100 | static int qla4xxx_wait_for_hba_online(struct scsi_qla_host *ha); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 101 | /* |
| 102 | * SCSI host template entry points |
| 103 | */ |
Adrian Bunk | 4797547 | 2007-04-26 00:35:16 -0700 | [diff] [blame] | 104 | static void qla4xxx_config_dma_addressing(struct scsi_qla_host *ha); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 105 | |
| 106 | /* |
| 107 | * iSCSI template entry points |
| 108 | */ |
Mike Christie | fca9f04 | 2012-02-27 03:08:54 -0800 | [diff] [blame] | 109 | static int qla4xxx_session_get_param(struct iscsi_cls_session *cls_sess, |
| 110 | enum iscsi_param param, char *buf); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 111 | static int qla4xxx_conn_get_param(struct iscsi_cls_conn *conn, |
| 112 | enum iscsi_param param, char *buf); |
Mike Christie | aa1e93a | 2007-05-30 12:57:09 -0500 | [diff] [blame] | 113 | static int qla4xxx_host_get_param(struct Scsi_Host *shost, |
| 114 | enum iscsi_host_param param, char *buf); |
Mike Christie | 00c3188 | 2011-10-06 03:56:59 -0500 | [diff] [blame] | 115 | static int qla4xxx_iface_set_param(struct Scsi_Host *shost, void *data, |
| 116 | uint32_t len); |
Vikas Chaudhary | ed1086e | 2011-07-25 13:48:41 -0500 | [diff] [blame] | 117 | static int qla4xxx_get_iface_param(struct iscsi_iface *iface, |
| 118 | enum iscsi_param_type param_type, |
| 119 | int param, char *buf); |
Mike Christie | 5c656af | 2009-07-15 15:02:59 -0500 | [diff] [blame] | 120 | static enum blk_eh_timer_return qla4xxx_eh_cmd_timed_out(struct scsi_cmnd *sc); |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 121 | static struct iscsi_endpoint *qla4xxx_ep_connect(struct Scsi_Host *shost, |
| 122 | struct sockaddr *dst_addr, |
| 123 | int non_blocking); |
| 124 | static int qla4xxx_ep_poll(struct iscsi_endpoint *ep, int timeout_ms); |
| 125 | static void qla4xxx_ep_disconnect(struct iscsi_endpoint *ep); |
| 126 | static int qla4xxx_get_ep_param(struct iscsi_endpoint *ep, |
| 127 | enum iscsi_param param, char *buf); |
| 128 | static int qla4xxx_conn_start(struct iscsi_cls_conn *conn); |
| 129 | static struct iscsi_cls_conn * |
| 130 | qla4xxx_conn_create(struct iscsi_cls_session *cls_sess, uint32_t conn_idx); |
| 131 | static int qla4xxx_conn_bind(struct iscsi_cls_session *cls_session, |
| 132 | struct iscsi_cls_conn *cls_conn, |
| 133 | uint64_t transport_fd, int is_leading); |
| 134 | static void qla4xxx_conn_destroy(struct iscsi_cls_conn *conn); |
| 135 | static struct iscsi_cls_session * |
| 136 | qla4xxx_session_create(struct iscsi_endpoint *ep, uint16_t cmds_max, |
| 137 | uint16_t qdepth, uint32_t initial_cmdsn); |
| 138 | static void qla4xxx_session_destroy(struct iscsi_cls_session *sess); |
| 139 | static void qla4xxx_task_work(struct work_struct *wdata); |
| 140 | static int qla4xxx_alloc_pdu(struct iscsi_task *, uint8_t); |
| 141 | static int qla4xxx_task_xmit(struct iscsi_task *); |
| 142 | static void qla4xxx_task_cleanup(struct iscsi_task *); |
| 143 | static void qla4xxx_fail_session(struct iscsi_cls_session *cls_session); |
| 144 | static void qla4xxx_conn_get_stats(struct iscsi_cls_conn *cls_conn, |
| 145 | struct iscsi_stats *stats); |
Vikas Chaudhary | c0b9d3f | 2012-02-13 18:30:49 +0530 | [diff] [blame] | 146 | static int qla4xxx_send_ping(struct Scsi_Host *shost, uint32_t iface_num, |
| 147 | uint32_t iface_type, uint32_t payload_size, |
| 148 | uint32_t pid, struct sockaddr *dst_addr); |
Nilesh Javali | 376738a | 2012-02-27 03:08:52 -0800 | [diff] [blame] | 149 | static int qla4xxx_get_chap_list(struct Scsi_Host *shost, uint16_t chap_tbl_idx, |
| 150 | uint32_t *num_entries, char *buf); |
| 151 | static int qla4xxx_delete_chap(struct Scsi_Host *shost, uint16_t chap_tbl_idx); |
Vikas Chaudhary | c0b9d3f | 2012-02-13 18:30:49 +0530 | [diff] [blame] | 152 | |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 153 | /* |
| 154 | * SCSI host template entry points |
| 155 | */ |
Jeff Garzik | f281233 | 2010-11-16 02:10:29 -0500 | [diff] [blame] | 156 | static int qla4xxx_queuecommand(struct Scsi_Host *h, struct scsi_cmnd *cmd); |
Vikas Chaudhary | 09a0f71 | 2010-04-28 11:42:24 +0530 | [diff] [blame] | 157 | static int qla4xxx_eh_abort(struct scsi_cmnd *cmd); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 158 | static int qla4xxx_eh_device_reset(struct scsi_cmnd *cmd); |
Mike Christie | ce54503 | 2008-02-29 18:25:20 -0600 | [diff] [blame] | 159 | static int qla4xxx_eh_target_reset(struct scsi_cmnd *cmd); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 160 | static int qla4xxx_eh_host_reset(struct scsi_cmnd *cmd); |
| 161 | static int qla4xxx_slave_alloc(struct scsi_device *device); |
| 162 | static int qla4xxx_slave_configure(struct scsi_device *device); |
| 163 | static void qla4xxx_slave_destroy(struct scsi_device *sdev); |
Vikas Chaudhary | 5e9bcec | 2012-08-22 07:55:01 -0400 | [diff] [blame] | 164 | static umode_t qla4_attr_is_visible(int param_type, int param); |
Vikas Chaudhary | 95d3126 | 2011-08-12 02:51:29 -0700 | [diff] [blame] | 165 | static int qla4xxx_host_reset(struct Scsi_Host *shost, int reset_type); |
Tej Parkash | f7b4aa6 | 2012-04-30 04:12:19 -0700 | [diff] [blame] | 166 | static int qla4xxx_change_queue_depth(struct scsi_device *sdev, int qdepth, |
| 167 | int reason); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 168 | |
Adheer Chandravanshi | 1e9e2be | 2013-03-22 07:41:31 -0400 | [diff] [blame] | 169 | /* |
| 170 | * iSCSI Flash DDB sysfs entry points |
| 171 | */ |
| 172 | static int |
| 173 | qla4xxx_sysfs_ddb_set_param(struct iscsi_bus_flash_session *fnode_sess, |
| 174 | struct iscsi_bus_flash_conn *fnode_conn, |
| 175 | void *data, int len); |
| 176 | static int |
| 177 | qla4xxx_sysfs_ddb_get_param(struct iscsi_bus_flash_session *fnode_sess, |
| 178 | int param, char *buf); |
| 179 | static int qla4xxx_sysfs_ddb_add(struct Scsi_Host *shost, const char *buf, |
| 180 | int len); |
| 181 | static int |
| 182 | qla4xxx_sysfs_ddb_delete(struct iscsi_bus_flash_session *fnode_sess); |
| 183 | static int qla4xxx_sysfs_ddb_login(struct iscsi_bus_flash_session *fnode_sess, |
| 184 | struct iscsi_bus_flash_conn *fnode_conn); |
| 185 | static int qla4xxx_sysfs_ddb_logout(struct iscsi_bus_flash_session *fnode_sess, |
| 186 | struct iscsi_bus_flash_conn *fnode_conn); |
| 187 | static int qla4xxx_sysfs_ddb_logout_sid(struct iscsi_cls_session *cls_sess); |
| 188 | |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 189 | static struct qla4_8xxx_legacy_intr_set legacy_intr[] = |
| 190 | QLA82XX_LEGACY_INTR_CONFIG; |
| 191 | |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 192 | static struct scsi_host_template qla4xxx_driver_template = { |
| 193 | .module = THIS_MODULE, |
| 194 | .name = DRIVER_NAME, |
| 195 | .proc_name = DRIVER_NAME, |
| 196 | .queuecommand = qla4xxx_queuecommand, |
| 197 | |
Vikas Chaudhary | 09a0f71 | 2010-04-28 11:42:24 +0530 | [diff] [blame] | 198 | .eh_abort_handler = qla4xxx_eh_abort, |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 199 | .eh_device_reset_handler = qla4xxx_eh_device_reset, |
Mike Christie | ce54503 | 2008-02-29 18:25:20 -0600 | [diff] [blame] | 200 | .eh_target_reset_handler = qla4xxx_eh_target_reset, |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 201 | .eh_host_reset_handler = qla4xxx_eh_host_reset, |
Mike Christie | 5c656af | 2009-07-15 15:02:59 -0500 | [diff] [blame] | 202 | .eh_timed_out = qla4xxx_eh_cmd_timed_out, |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 203 | |
| 204 | .slave_configure = qla4xxx_slave_configure, |
| 205 | .slave_alloc = qla4xxx_slave_alloc, |
| 206 | .slave_destroy = qla4xxx_slave_destroy, |
Tej Parkash | f7b4aa6 | 2012-04-30 04:12:19 -0700 | [diff] [blame] | 207 | .change_queue_depth = qla4xxx_change_queue_depth, |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 208 | |
| 209 | .this_id = -1, |
| 210 | .cmd_per_lun = 3, |
| 211 | .use_clustering = ENABLE_CLUSTERING, |
| 212 | .sg_tablesize = SG_ALL, |
| 213 | |
| 214 | .max_sectors = 0xFFFF, |
Harish Zunjarrao | 7ad633c | 2011-05-17 23:17:11 -0700 | [diff] [blame] | 215 | .shost_attrs = qla4xxx_host_attrs, |
Vikas Chaudhary | 95d3126 | 2011-08-12 02:51:29 -0700 | [diff] [blame] | 216 | .host_reset = qla4xxx_host_reset, |
Vikas Chaudhary | a355943 | 2011-07-25 13:48:51 -0500 | [diff] [blame] | 217 | .vendor_id = SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_QLOGIC, |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 218 | }; |
| 219 | |
| 220 | static struct iscsi_transport qla4xxx_iscsi_transport = { |
| 221 | .owner = THIS_MODULE, |
| 222 | .name = DRIVER_NAME, |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 223 | .caps = CAP_TEXT_NEGO | |
| 224 | CAP_DATA_PATH_OFFLOAD | CAP_HDRDGST | |
| 225 | CAP_DATADGST | CAP_LOGIN_OFFLOAD | |
| 226 | CAP_MULTI_R2T, |
Vikas Chaudhary | 5e9bcec | 2012-08-22 07:55:01 -0400 | [diff] [blame] | 227 | .attr_is_visible = qla4_attr_is_visible, |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 228 | .create_session = qla4xxx_session_create, |
| 229 | .destroy_session = qla4xxx_session_destroy, |
| 230 | .start_conn = qla4xxx_conn_start, |
| 231 | .create_conn = qla4xxx_conn_create, |
| 232 | .bind_conn = qla4xxx_conn_bind, |
| 233 | .stop_conn = iscsi_conn_stop, |
| 234 | .destroy_conn = qla4xxx_conn_destroy, |
| 235 | .set_param = iscsi_set_param, |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 236 | .get_conn_param = qla4xxx_conn_get_param, |
Mike Christie | fca9f04 | 2012-02-27 03:08:54 -0800 | [diff] [blame] | 237 | .get_session_param = qla4xxx_session_get_param, |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 238 | .get_ep_param = qla4xxx_get_ep_param, |
| 239 | .ep_connect = qla4xxx_ep_connect, |
| 240 | .ep_poll = qla4xxx_ep_poll, |
| 241 | .ep_disconnect = qla4xxx_ep_disconnect, |
| 242 | .get_stats = qla4xxx_conn_get_stats, |
| 243 | .send_pdu = iscsi_conn_send_pdu, |
| 244 | .xmit_task = qla4xxx_task_xmit, |
| 245 | .cleanup_task = qla4xxx_task_cleanup, |
| 246 | .alloc_pdu = qla4xxx_alloc_pdu, |
| 247 | |
Mike Christie | aa1e93a | 2007-05-30 12:57:09 -0500 | [diff] [blame] | 248 | .get_host_param = qla4xxx_host_get_param, |
Mike Christie | d00efe3 | 2011-07-25 13:48:38 -0500 | [diff] [blame] | 249 | .set_iface_param = qla4xxx_iface_set_param, |
Vikas Chaudhary | ed1086e | 2011-07-25 13:48:41 -0500 | [diff] [blame] | 250 | .get_iface_param = qla4xxx_get_iface_param, |
Vikas Chaudhary | a355943 | 2011-07-25 13:48:51 -0500 | [diff] [blame] | 251 | .bsg_request = qla4xxx_bsg_request, |
Vikas Chaudhary | c0b9d3f | 2012-02-13 18:30:49 +0530 | [diff] [blame] | 252 | .send_ping = qla4xxx_send_ping, |
Nilesh Javali | 376738a | 2012-02-27 03:08:52 -0800 | [diff] [blame] | 253 | .get_chap = qla4xxx_get_chap_list, |
| 254 | .delete_chap = qla4xxx_delete_chap, |
Adheer Chandravanshi | 1e9e2be | 2013-03-22 07:41:31 -0400 | [diff] [blame] | 255 | .get_flashnode_param = qla4xxx_sysfs_ddb_get_param, |
| 256 | .set_flashnode_param = qla4xxx_sysfs_ddb_set_param, |
| 257 | .new_flashnode = qla4xxx_sysfs_ddb_add, |
| 258 | .del_flashnode = qla4xxx_sysfs_ddb_delete, |
| 259 | .login_flashnode = qla4xxx_sysfs_ddb_login, |
| 260 | .logout_flashnode = qla4xxx_sysfs_ddb_logout, |
| 261 | .logout_flashnode_sid = qla4xxx_sysfs_ddb_logout_sid, |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 262 | }; |
| 263 | |
| 264 | static struct scsi_transport_template *qla4xxx_scsi_transport; |
| 265 | |
Vikas Chaudhary | c0b9d3f | 2012-02-13 18:30:49 +0530 | [diff] [blame] | 266 | static int qla4xxx_send_ping(struct Scsi_Host *shost, uint32_t iface_num, |
| 267 | uint32_t iface_type, uint32_t payload_size, |
| 268 | uint32_t pid, struct sockaddr *dst_addr) |
| 269 | { |
| 270 | struct scsi_qla_host *ha = to_qla_host(shost); |
| 271 | struct sockaddr_in *addr; |
| 272 | struct sockaddr_in6 *addr6; |
| 273 | uint32_t options = 0; |
| 274 | uint8_t ipaddr[IPv6_ADDR_LEN]; |
| 275 | int rval; |
| 276 | |
| 277 | memset(ipaddr, 0, IPv6_ADDR_LEN); |
| 278 | /* IPv4 to IPv4 */ |
| 279 | if ((iface_type == ISCSI_IFACE_TYPE_IPV4) && |
| 280 | (dst_addr->sa_family == AF_INET)) { |
| 281 | addr = (struct sockaddr_in *)dst_addr; |
| 282 | memcpy(ipaddr, &addr->sin_addr.s_addr, IP_ADDR_LEN); |
| 283 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: IPv4 Ping src: %pI4 " |
| 284 | "dest: %pI4\n", __func__, |
| 285 | &ha->ip_config.ip_address, ipaddr)); |
| 286 | rval = qla4xxx_ping_iocb(ha, options, payload_size, pid, |
| 287 | ipaddr); |
| 288 | if (rval) |
| 289 | rval = -EINVAL; |
| 290 | } else if ((iface_type == ISCSI_IFACE_TYPE_IPV6) && |
| 291 | (dst_addr->sa_family == AF_INET6)) { |
| 292 | /* IPv6 to IPv6 */ |
| 293 | addr6 = (struct sockaddr_in6 *)dst_addr; |
| 294 | memcpy(ipaddr, &addr6->sin6_addr.in6_u.u6_addr8, IPv6_ADDR_LEN); |
| 295 | |
| 296 | options |= PING_IPV6_PROTOCOL_ENABLE; |
| 297 | |
| 298 | /* Ping using LinkLocal address */ |
| 299 | if ((iface_num == 0) || (iface_num == 1)) { |
| 300 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: LinkLocal Ping " |
| 301 | "src: %pI6 dest: %pI6\n", __func__, |
| 302 | &ha->ip_config.ipv6_link_local_addr, |
| 303 | ipaddr)); |
| 304 | options |= PING_IPV6_LINKLOCAL_ADDR; |
| 305 | rval = qla4xxx_ping_iocb(ha, options, payload_size, |
| 306 | pid, ipaddr); |
| 307 | } else { |
| 308 | ql4_printk(KERN_WARNING, ha, "%s: iface num = %d " |
| 309 | "not supported\n", __func__, iface_num); |
| 310 | rval = -ENOSYS; |
| 311 | goto exit_send_ping; |
| 312 | } |
| 313 | |
| 314 | /* |
| 315 | * If ping using LinkLocal address fails, try ping using |
| 316 | * IPv6 address |
| 317 | */ |
| 318 | if (rval != QLA_SUCCESS) { |
| 319 | options &= ~PING_IPV6_LINKLOCAL_ADDR; |
| 320 | if (iface_num == 0) { |
| 321 | options |= PING_IPV6_ADDR0; |
| 322 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: IPv6 " |
| 323 | "Ping src: %pI6 " |
| 324 | "dest: %pI6\n", __func__, |
| 325 | &ha->ip_config.ipv6_addr0, |
| 326 | ipaddr)); |
| 327 | } else if (iface_num == 1) { |
| 328 | options |= PING_IPV6_ADDR1; |
| 329 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: IPv6 " |
| 330 | "Ping src: %pI6 " |
| 331 | "dest: %pI6\n", __func__, |
| 332 | &ha->ip_config.ipv6_addr1, |
| 333 | ipaddr)); |
| 334 | } |
| 335 | rval = qla4xxx_ping_iocb(ha, options, payload_size, |
| 336 | pid, ipaddr); |
| 337 | if (rval) |
| 338 | rval = -EINVAL; |
| 339 | } |
| 340 | } else |
| 341 | rval = -ENOSYS; |
| 342 | exit_send_ping: |
| 343 | return rval; |
| 344 | } |
| 345 | |
Vikas Chaudhary | 5e9bcec | 2012-08-22 07:55:01 -0400 | [diff] [blame] | 346 | static umode_t qla4_attr_is_visible(int param_type, int param) |
Mike Christie | 3128c6c | 2011-07-25 13:48:42 -0500 | [diff] [blame] | 347 | { |
| 348 | switch (param_type) { |
Mike Christie | f27fb2e | 2011-07-25 13:48:45 -0500 | [diff] [blame] | 349 | case ISCSI_HOST_PARAM: |
| 350 | switch (param) { |
| 351 | case ISCSI_HOST_PARAM_HWADDRESS: |
| 352 | case ISCSI_HOST_PARAM_IPADDRESS: |
| 353 | case ISCSI_HOST_PARAM_INITIATOR_NAME: |
Vikas Chaudhary | 3254dbe | 2012-01-19 03:06:56 -0800 | [diff] [blame] | 354 | case ISCSI_HOST_PARAM_PORT_STATE: |
| 355 | case ISCSI_HOST_PARAM_PORT_SPEED: |
Mike Christie | f27fb2e | 2011-07-25 13:48:45 -0500 | [diff] [blame] | 356 | return S_IRUGO; |
| 357 | default: |
| 358 | return 0; |
| 359 | } |
Mike Christie | 3128c6c | 2011-07-25 13:48:42 -0500 | [diff] [blame] | 360 | case ISCSI_PARAM: |
| 361 | switch (param) { |
Mike Christie | 590134f | 2011-10-17 22:42:13 -0500 | [diff] [blame] | 362 | case ISCSI_PARAM_PERSISTENT_ADDRESS: |
| 363 | case ISCSI_PARAM_PERSISTENT_PORT: |
Mike Christie | 3128c6c | 2011-07-25 13:48:42 -0500 | [diff] [blame] | 364 | case ISCSI_PARAM_CONN_ADDRESS: |
| 365 | case ISCSI_PARAM_CONN_PORT: |
Mike Christie | 1d063c1 | 2011-07-25 13:48:43 -0500 | [diff] [blame] | 366 | case ISCSI_PARAM_TARGET_NAME: |
| 367 | case ISCSI_PARAM_TPGT: |
| 368 | case ISCSI_PARAM_TARGET_ALIAS: |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 369 | case ISCSI_PARAM_MAX_BURST: |
| 370 | case ISCSI_PARAM_MAX_R2T: |
| 371 | case ISCSI_PARAM_FIRST_BURST: |
| 372 | case ISCSI_PARAM_MAX_RECV_DLENGTH: |
| 373 | case ISCSI_PARAM_MAX_XMIT_DLENGTH: |
Mike Christie | de37920 | 2011-08-14 20:42:56 -0500 | [diff] [blame] | 374 | case ISCSI_PARAM_IFACE_NAME: |
Mike Christie | fca9f04 | 2012-02-27 03:08:54 -0800 | [diff] [blame] | 375 | case ISCSI_PARAM_CHAP_OUT_IDX: |
| 376 | case ISCSI_PARAM_CHAP_IN_IDX: |
| 377 | case ISCSI_PARAM_USERNAME: |
| 378 | case ISCSI_PARAM_PASSWORD: |
| 379 | case ISCSI_PARAM_USERNAME_IN: |
| 380 | case ISCSI_PARAM_PASSWORD_IN: |
Adheer Chandravanshi | 8cc91d4 | 2013-07-01 05:54:13 -0400 | [diff] [blame] | 381 | case ISCSI_PARAM_AUTO_SND_TGT_DISABLE: |
| 382 | case ISCSI_PARAM_DISCOVERY_SESS: |
| 383 | case ISCSI_PARAM_PORTAL_TYPE: |
| 384 | case ISCSI_PARAM_CHAP_AUTH_EN: |
| 385 | case ISCSI_PARAM_DISCOVERY_LOGOUT_EN: |
| 386 | case ISCSI_PARAM_BIDI_CHAP_EN: |
| 387 | case ISCSI_PARAM_DISCOVERY_AUTH_OPTIONAL: |
| 388 | case ISCSI_PARAM_DEF_TIME2WAIT: |
| 389 | case ISCSI_PARAM_DEF_TIME2RETAIN: |
| 390 | case ISCSI_PARAM_HDRDGST_EN: |
| 391 | case ISCSI_PARAM_DATADGST_EN: |
| 392 | case ISCSI_PARAM_INITIAL_R2T_EN: |
| 393 | case ISCSI_PARAM_IMM_DATA_EN: |
| 394 | case ISCSI_PARAM_PDU_INORDER_EN: |
| 395 | case ISCSI_PARAM_DATASEQ_INORDER_EN: |
| 396 | case ISCSI_PARAM_MAX_SEGMENT_SIZE: |
| 397 | case ISCSI_PARAM_TCP_TIMESTAMP_STAT: |
| 398 | case ISCSI_PARAM_TCP_WSF_DISABLE: |
| 399 | case ISCSI_PARAM_TCP_NAGLE_DISABLE: |
| 400 | case ISCSI_PARAM_TCP_TIMER_SCALE: |
| 401 | case ISCSI_PARAM_TCP_TIMESTAMP_EN: |
| 402 | case ISCSI_PARAM_TCP_XMIT_WSF: |
| 403 | case ISCSI_PARAM_TCP_RECV_WSF: |
| 404 | case ISCSI_PARAM_IP_FRAGMENT_DISABLE: |
| 405 | case ISCSI_PARAM_IPV4_TOS: |
| 406 | case ISCSI_PARAM_IPV6_TC: |
| 407 | case ISCSI_PARAM_IPV6_FLOW_LABEL: |
| 408 | case ISCSI_PARAM_IS_FW_ASSIGNED_IPV6: |
| 409 | case ISCSI_PARAM_KEEPALIVE_TMO: |
| 410 | case ISCSI_PARAM_LOCAL_PORT: |
| 411 | case ISCSI_PARAM_ISID: |
| 412 | case ISCSI_PARAM_TSID: |
| 413 | case ISCSI_PARAM_DEF_TASKMGMT_TMO: |
| 414 | case ISCSI_PARAM_ERL: |
| 415 | case ISCSI_PARAM_STATSN: |
| 416 | case ISCSI_PARAM_EXP_STATSN: |
| 417 | case ISCSI_PARAM_DISCOVERY_PARENT_IDX: |
| 418 | case ISCSI_PARAM_DISCOVERY_PARENT_TYPE: |
Mike Christie | 3128c6c | 2011-07-25 13:48:42 -0500 | [diff] [blame] | 419 | return S_IRUGO; |
| 420 | default: |
| 421 | return 0; |
| 422 | } |
Mike Christie | b78dbba | 2011-07-25 13:48:44 -0500 | [diff] [blame] | 423 | case ISCSI_NET_PARAM: |
| 424 | switch (param) { |
| 425 | case ISCSI_NET_PARAM_IPV4_ADDR: |
| 426 | case ISCSI_NET_PARAM_IPV4_SUBNET: |
| 427 | case ISCSI_NET_PARAM_IPV4_GW: |
| 428 | case ISCSI_NET_PARAM_IPV4_BOOTPROTO: |
| 429 | case ISCSI_NET_PARAM_IFACE_ENABLE: |
| 430 | case ISCSI_NET_PARAM_IPV6_LINKLOCAL: |
| 431 | case ISCSI_NET_PARAM_IPV6_ADDR: |
| 432 | case ISCSI_NET_PARAM_IPV6_ROUTER: |
| 433 | case ISCSI_NET_PARAM_IPV6_ADDR_AUTOCFG: |
| 434 | case ISCSI_NET_PARAM_IPV6_LINKLOCAL_AUTOCFG: |
Vikas Chaudhary | 6ac73e8 | 2011-07-25 13:48:49 -0500 | [diff] [blame] | 435 | case ISCSI_NET_PARAM_VLAN_ID: |
| 436 | case ISCSI_NET_PARAM_VLAN_PRIORITY: |
| 437 | case ISCSI_NET_PARAM_VLAN_ENABLED: |
Vikas Chaudhary | 943c157 | 2011-08-01 03:26:13 -0700 | [diff] [blame] | 438 | case ISCSI_NET_PARAM_MTU: |
Vikas Chaudhary | 2ada7fc | 2011-08-01 03:26:19 -0700 | [diff] [blame] | 439 | case ISCSI_NET_PARAM_PORT: |
Mike Christie | b78dbba | 2011-07-25 13:48:44 -0500 | [diff] [blame] | 440 | return S_IRUGO; |
| 441 | default: |
| 442 | return 0; |
| 443 | } |
Adheer Chandravanshi | 1e9e2be | 2013-03-22 07:41:31 -0400 | [diff] [blame] | 444 | case ISCSI_FLASHNODE_PARAM: |
| 445 | switch (param) { |
| 446 | case ISCSI_FLASHNODE_IS_FW_ASSIGNED_IPV6: |
| 447 | case ISCSI_FLASHNODE_PORTAL_TYPE: |
| 448 | case ISCSI_FLASHNODE_AUTO_SND_TGT_DISABLE: |
| 449 | case ISCSI_FLASHNODE_DISCOVERY_SESS: |
| 450 | case ISCSI_FLASHNODE_ENTRY_EN: |
| 451 | case ISCSI_FLASHNODE_HDR_DGST_EN: |
| 452 | case ISCSI_FLASHNODE_DATA_DGST_EN: |
| 453 | case ISCSI_FLASHNODE_IMM_DATA_EN: |
| 454 | case ISCSI_FLASHNODE_INITIAL_R2T_EN: |
| 455 | case ISCSI_FLASHNODE_DATASEQ_INORDER: |
| 456 | case ISCSI_FLASHNODE_PDU_INORDER: |
| 457 | case ISCSI_FLASHNODE_CHAP_AUTH_EN: |
| 458 | case ISCSI_FLASHNODE_SNACK_REQ_EN: |
| 459 | case ISCSI_FLASHNODE_DISCOVERY_LOGOUT_EN: |
| 460 | case ISCSI_FLASHNODE_BIDI_CHAP_EN: |
| 461 | case ISCSI_FLASHNODE_DISCOVERY_AUTH_OPTIONAL: |
| 462 | case ISCSI_FLASHNODE_ERL: |
| 463 | case ISCSI_FLASHNODE_TCP_TIMESTAMP_STAT: |
| 464 | case ISCSI_FLASHNODE_TCP_NAGLE_DISABLE: |
| 465 | case ISCSI_FLASHNODE_TCP_WSF_DISABLE: |
| 466 | case ISCSI_FLASHNODE_TCP_TIMER_SCALE: |
| 467 | case ISCSI_FLASHNODE_TCP_TIMESTAMP_EN: |
| 468 | case ISCSI_FLASHNODE_IP_FRAG_DISABLE: |
| 469 | case ISCSI_FLASHNODE_MAX_RECV_DLENGTH: |
| 470 | case ISCSI_FLASHNODE_MAX_XMIT_DLENGTH: |
| 471 | case ISCSI_FLASHNODE_FIRST_BURST: |
| 472 | case ISCSI_FLASHNODE_DEF_TIME2WAIT: |
| 473 | case ISCSI_FLASHNODE_DEF_TIME2RETAIN: |
| 474 | case ISCSI_FLASHNODE_MAX_R2T: |
| 475 | case ISCSI_FLASHNODE_KEEPALIVE_TMO: |
| 476 | case ISCSI_FLASHNODE_ISID: |
| 477 | case ISCSI_FLASHNODE_TSID: |
| 478 | case ISCSI_FLASHNODE_PORT: |
| 479 | case ISCSI_FLASHNODE_MAX_BURST: |
| 480 | case ISCSI_FLASHNODE_DEF_TASKMGMT_TMO: |
| 481 | case ISCSI_FLASHNODE_IPADDR: |
| 482 | case ISCSI_FLASHNODE_ALIAS: |
| 483 | case ISCSI_FLASHNODE_REDIRECT_IPADDR: |
| 484 | case ISCSI_FLASHNODE_MAX_SEGMENT_SIZE: |
| 485 | case ISCSI_FLASHNODE_LOCAL_PORT: |
| 486 | case ISCSI_FLASHNODE_IPV4_TOS: |
| 487 | case ISCSI_FLASHNODE_IPV6_TC: |
| 488 | case ISCSI_FLASHNODE_IPV6_FLOW_LABEL: |
| 489 | case ISCSI_FLASHNODE_NAME: |
| 490 | case ISCSI_FLASHNODE_TPGT: |
| 491 | case ISCSI_FLASHNODE_LINK_LOCAL_IPV6: |
| 492 | case ISCSI_FLASHNODE_DISCOVERY_PARENT_IDX: |
| 493 | case ISCSI_FLASHNODE_DISCOVERY_PARENT_TYPE: |
| 494 | case ISCSI_FLASHNODE_TCP_XMIT_WSF: |
| 495 | case ISCSI_FLASHNODE_TCP_RECV_WSF: |
| 496 | case ISCSI_FLASHNODE_CHAP_OUT_IDX: |
| 497 | case ISCSI_FLASHNODE_USERNAME: |
| 498 | case ISCSI_FLASHNODE_PASSWORD: |
| 499 | case ISCSI_FLASHNODE_STATSN: |
| 500 | case ISCSI_FLASHNODE_EXP_STATSN: |
| 501 | case ISCSI_FLASHNODE_IS_BOOT_TGT: |
| 502 | return S_IRUGO; |
| 503 | default: |
| 504 | return 0; |
| 505 | } |
Mike Christie | 3128c6c | 2011-07-25 13:48:42 -0500 | [diff] [blame] | 506 | } |
| 507 | |
| 508 | return 0; |
| 509 | } |
| 510 | |
Nilesh Javali | 376738a | 2012-02-27 03:08:52 -0800 | [diff] [blame] | 511 | static int qla4xxx_get_chap_list(struct Scsi_Host *shost, uint16_t chap_tbl_idx, |
| 512 | uint32_t *num_entries, char *buf) |
| 513 | { |
| 514 | struct scsi_qla_host *ha = to_qla_host(shost); |
| 515 | struct ql4_chap_table *chap_table; |
| 516 | struct iscsi_chap_rec *chap_rec; |
| 517 | int max_chap_entries = 0; |
| 518 | int valid_chap_entries = 0; |
| 519 | int ret = 0, i; |
| 520 | |
Vikas Chaudhary | d11b0ca | 2013-03-22 07:08:31 -0400 | [diff] [blame] | 521 | if (is_qla80XX(ha)) |
Nilesh Javali | 376738a | 2012-02-27 03:08:52 -0800 | [diff] [blame] | 522 | max_chap_entries = (ha->hw.flt_chap_size / 2) / |
| 523 | sizeof(struct ql4_chap_table); |
| 524 | else |
| 525 | max_chap_entries = MAX_CHAP_ENTRIES_40XX; |
| 526 | |
| 527 | ql4_printk(KERN_INFO, ha, "%s: num_entries = %d, CHAP idx = %d\n", |
| 528 | __func__, *num_entries, chap_tbl_idx); |
| 529 | |
| 530 | if (!buf) { |
| 531 | ret = -ENOMEM; |
| 532 | goto exit_get_chap_list; |
| 533 | } |
| 534 | |
| 535 | chap_rec = (struct iscsi_chap_rec *) buf; |
| 536 | mutex_lock(&ha->chap_sem); |
| 537 | for (i = chap_tbl_idx; i < max_chap_entries; i++) { |
| 538 | chap_table = (struct ql4_chap_table *)ha->chap_list + i; |
| 539 | if (chap_table->cookie != |
| 540 | __constant_cpu_to_le16(CHAP_VALID_COOKIE)) |
| 541 | continue; |
| 542 | |
| 543 | chap_rec->chap_tbl_idx = i; |
| 544 | strncpy(chap_rec->username, chap_table->name, |
| 545 | ISCSI_CHAP_AUTH_NAME_MAX_LEN); |
| 546 | strncpy(chap_rec->password, chap_table->secret, |
| 547 | QL4_CHAP_MAX_SECRET_LEN); |
| 548 | chap_rec->password_length = chap_table->secret_len; |
| 549 | |
| 550 | if (chap_table->flags & BIT_7) /* local */ |
| 551 | chap_rec->chap_type = CHAP_TYPE_OUT; |
| 552 | |
| 553 | if (chap_table->flags & BIT_6) /* peer */ |
| 554 | chap_rec->chap_type = CHAP_TYPE_IN; |
| 555 | |
| 556 | chap_rec++; |
| 557 | |
| 558 | valid_chap_entries++; |
| 559 | if (valid_chap_entries == *num_entries) |
| 560 | break; |
| 561 | else |
| 562 | continue; |
| 563 | } |
| 564 | mutex_unlock(&ha->chap_sem); |
| 565 | |
| 566 | exit_get_chap_list: |
| 567 | ql4_printk(KERN_INFO, ha, "%s: Valid CHAP Entries = %d\n", |
| 568 | __func__, valid_chap_entries); |
| 569 | *num_entries = valid_chap_entries; |
| 570 | return ret; |
| 571 | } |
| 572 | |
| 573 | static int __qla4xxx_is_chap_active(struct device *dev, void *data) |
| 574 | { |
| 575 | int ret = 0; |
| 576 | uint16_t *chap_tbl_idx = (uint16_t *) data; |
| 577 | struct iscsi_cls_session *cls_session; |
| 578 | struct iscsi_session *sess; |
| 579 | struct ddb_entry *ddb_entry; |
| 580 | |
| 581 | if (!iscsi_is_session_dev(dev)) |
| 582 | goto exit_is_chap_active; |
| 583 | |
| 584 | cls_session = iscsi_dev_to_session(dev); |
| 585 | sess = cls_session->dd_data; |
| 586 | ddb_entry = sess->dd_data; |
| 587 | |
| 588 | if (iscsi_session_chkready(cls_session)) |
| 589 | goto exit_is_chap_active; |
| 590 | |
| 591 | if (ddb_entry->chap_tbl_idx == *chap_tbl_idx) |
| 592 | ret = 1; |
| 593 | |
| 594 | exit_is_chap_active: |
| 595 | return ret; |
| 596 | } |
| 597 | |
| 598 | static int qla4xxx_is_chap_active(struct Scsi_Host *shost, |
| 599 | uint16_t chap_tbl_idx) |
| 600 | { |
| 601 | int ret = 0; |
| 602 | |
| 603 | ret = device_for_each_child(&shost->shost_gendev, &chap_tbl_idx, |
| 604 | __qla4xxx_is_chap_active); |
| 605 | |
| 606 | return ret; |
| 607 | } |
| 608 | |
| 609 | static int qla4xxx_delete_chap(struct Scsi_Host *shost, uint16_t chap_tbl_idx) |
| 610 | { |
| 611 | struct scsi_qla_host *ha = to_qla_host(shost); |
| 612 | struct ql4_chap_table *chap_table; |
| 613 | dma_addr_t chap_dma; |
| 614 | int max_chap_entries = 0; |
| 615 | uint32_t offset = 0; |
| 616 | uint32_t chap_size; |
| 617 | int ret = 0; |
| 618 | |
| 619 | chap_table = dma_pool_alloc(ha->chap_dma_pool, GFP_KERNEL, &chap_dma); |
| 620 | if (chap_table == NULL) |
| 621 | return -ENOMEM; |
| 622 | |
| 623 | memset(chap_table, 0, sizeof(struct ql4_chap_table)); |
| 624 | |
Vikas Chaudhary | d11b0ca | 2013-03-22 07:08:31 -0400 | [diff] [blame] | 625 | if (is_qla80XX(ha)) |
Nilesh Javali | 376738a | 2012-02-27 03:08:52 -0800 | [diff] [blame] | 626 | max_chap_entries = (ha->hw.flt_chap_size / 2) / |
| 627 | sizeof(struct ql4_chap_table); |
| 628 | else |
| 629 | max_chap_entries = MAX_CHAP_ENTRIES_40XX; |
| 630 | |
| 631 | if (chap_tbl_idx > max_chap_entries) { |
| 632 | ret = -EINVAL; |
| 633 | goto exit_delete_chap; |
| 634 | } |
| 635 | |
| 636 | /* Check if chap index is in use. |
| 637 | * If chap is in use don't delet chap entry */ |
| 638 | ret = qla4xxx_is_chap_active(shost, chap_tbl_idx); |
| 639 | if (ret) { |
| 640 | ql4_printk(KERN_INFO, ha, "CHAP entry %d is in use, cannot " |
| 641 | "delete from flash\n", chap_tbl_idx); |
| 642 | ret = -EBUSY; |
| 643 | goto exit_delete_chap; |
| 644 | } |
| 645 | |
| 646 | chap_size = sizeof(struct ql4_chap_table); |
| 647 | if (is_qla40XX(ha)) |
| 648 | offset = FLASH_CHAP_OFFSET | (chap_tbl_idx * chap_size); |
| 649 | else { |
| 650 | offset = FLASH_RAW_ACCESS_ADDR + (ha->hw.flt_region_chap << 2); |
| 651 | /* flt_chap_size is CHAP table size for both ports |
| 652 | * so divide it by 2 to calculate the offset for second port |
| 653 | */ |
| 654 | if (ha->port_num == 1) |
| 655 | offset += (ha->hw.flt_chap_size / 2); |
| 656 | offset += (chap_tbl_idx * chap_size); |
| 657 | } |
| 658 | |
| 659 | ret = qla4xxx_get_flash(ha, chap_dma, offset, chap_size); |
| 660 | if (ret != QLA_SUCCESS) { |
| 661 | ret = -EINVAL; |
| 662 | goto exit_delete_chap; |
| 663 | } |
| 664 | |
| 665 | DEBUG2(ql4_printk(KERN_INFO, ha, "Chap Cookie: x%x\n", |
| 666 | __le16_to_cpu(chap_table->cookie))); |
| 667 | |
| 668 | if (__le16_to_cpu(chap_table->cookie) != CHAP_VALID_COOKIE) { |
| 669 | ql4_printk(KERN_ERR, ha, "No valid chap entry found\n"); |
| 670 | goto exit_delete_chap; |
| 671 | } |
| 672 | |
| 673 | chap_table->cookie = __constant_cpu_to_le16(0xFFFF); |
| 674 | |
| 675 | offset = FLASH_CHAP_OFFSET | |
| 676 | (chap_tbl_idx * sizeof(struct ql4_chap_table)); |
| 677 | ret = qla4xxx_set_flash(ha, chap_dma, offset, chap_size, |
| 678 | FLASH_OPT_RMW_COMMIT); |
| 679 | if (ret == QLA_SUCCESS && ha->chap_list) { |
| 680 | mutex_lock(&ha->chap_sem); |
| 681 | /* Update ha chap_list cache */ |
| 682 | memcpy((struct ql4_chap_table *)ha->chap_list + chap_tbl_idx, |
| 683 | chap_table, sizeof(struct ql4_chap_table)); |
| 684 | mutex_unlock(&ha->chap_sem); |
| 685 | } |
| 686 | if (ret != QLA_SUCCESS) |
| 687 | ret = -EINVAL; |
| 688 | |
| 689 | exit_delete_chap: |
| 690 | dma_pool_free(ha->chap_dma_pool, chap_table, chap_dma); |
| 691 | return ret; |
| 692 | } |
| 693 | |
Vikas Chaudhary | ed1086e | 2011-07-25 13:48:41 -0500 | [diff] [blame] | 694 | static int qla4xxx_get_iface_param(struct iscsi_iface *iface, |
| 695 | enum iscsi_param_type param_type, |
| 696 | int param, char *buf) |
| 697 | { |
| 698 | struct Scsi_Host *shost = iscsi_iface_to_shost(iface); |
| 699 | struct scsi_qla_host *ha = to_qla_host(shost); |
| 700 | int len = -ENOSYS; |
| 701 | |
| 702 | if (param_type != ISCSI_NET_PARAM) |
| 703 | return -ENOSYS; |
| 704 | |
| 705 | switch (param) { |
| 706 | case ISCSI_NET_PARAM_IPV4_ADDR: |
| 707 | len = sprintf(buf, "%pI4\n", &ha->ip_config.ip_address); |
| 708 | break; |
| 709 | case ISCSI_NET_PARAM_IPV4_SUBNET: |
| 710 | len = sprintf(buf, "%pI4\n", &ha->ip_config.subnet_mask); |
| 711 | break; |
| 712 | case ISCSI_NET_PARAM_IPV4_GW: |
| 713 | len = sprintf(buf, "%pI4\n", &ha->ip_config.gateway); |
| 714 | break; |
| 715 | case ISCSI_NET_PARAM_IFACE_ENABLE: |
| 716 | if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) |
| 717 | len = sprintf(buf, "%s\n", |
| 718 | (ha->ip_config.ipv4_options & |
| 719 | IPOPT_IPV4_PROTOCOL_ENABLE) ? |
| 720 | "enabled" : "disabled"); |
| 721 | else if (iface->iface_type == ISCSI_IFACE_TYPE_IPV6) |
| 722 | len = sprintf(buf, "%s\n", |
| 723 | (ha->ip_config.ipv6_options & |
| 724 | IPV6_OPT_IPV6_PROTOCOL_ENABLE) ? |
| 725 | "enabled" : "disabled"); |
| 726 | break; |
| 727 | case ISCSI_NET_PARAM_IPV4_BOOTPROTO: |
| 728 | len = sprintf(buf, "%s\n", |
| 729 | (ha->ip_config.tcp_options & TCPOPT_DHCP_ENABLE) ? |
| 730 | "dhcp" : "static"); |
| 731 | break; |
| 732 | case ISCSI_NET_PARAM_IPV6_ADDR: |
| 733 | if (iface->iface_num == 0) |
| 734 | len = sprintf(buf, "%pI6\n", &ha->ip_config.ipv6_addr0); |
| 735 | if (iface->iface_num == 1) |
| 736 | len = sprintf(buf, "%pI6\n", &ha->ip_config.ipv6_addr1); |
| 737 | break; |
| 738 | case ISCSI_NET_PARAM_IPV6_LINKLOCAL: |
| 739 | len = sprintf(buf, "%pI6\n", |
| 740 | &ha->ip_config.ipv6_link_local_addr); |
| 741 | break; |
| 742 | case ISCSI_NET_PARAM_IPV6_ROUTER: |
| 743 | len = sprintf(buf, "%pI6\n", |
| 744 | &ha->ip_config.ipv6_default_router_addr); |
| 745 | break; |
| 746 | case ISCSI_NET_PARAM_IPV6_ADDR_AUTOCFG: |
| 747 | len = sprintf(buf, "%s\n", |
| 748 | (ha->ip_config.ipv6_addl_options & |
| 749 | IPV6_ADDOPT_NEIGHBOR_DISCOVERY_ADDR_ENABLE) ? |
| 750 | "nd" : "static"); |
| 751 | break; |
| 752 | case ISCSI_NET_PARAM_IPV6_LINKLOCAL_AUTOCFG: |
| 753 | len = sprintf(buf, "%s\n", |
| 754 | (ha->ip_config.ipv6_addl_options & |
| 755 | IPV6_ADDOPT_AUTOCONFIG_LINK_LOCAL_ADDR) ? |
| 756 | "auto" : "static"); |
| 757 | break; |
Vikas Chaudhary | 6ac73e8 | 2011-07-25 13:48:49 -0500 | [diff] [blame] | 758 | case ISCSI_NET_PARAM_VLAN_ID: |
| 759 | if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) |
| 760 | len = sprintf(buf, "%d\n", |
| 761 | (ha->ip_config.ipv4_vlan_tag & |
| 762 | ISCSI_MAX_VLAN_ID)); |
| 763 | else if (iface->iface_type == ISCSI_IFACE_TYPE_IPV6) |
| 764 | len = sprintf(buf, "%d\n", |
| 765 | (ha->ip_config.ipv6_vlan_tag & |
| 766 | ISCSI_MAX_VLAN_ID)); |
| 767 | break; |
| 768 | case ISCSI_NET_PARAM_VLAN_PRIORITY: |
| 769 | if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) |
| 770 | len = sprintf(buf, "%d\n", |
| 771 | ((ha->ip_config.ipv4_vlan_tag >> 13) & |
| 772 | ISCSI_MAX_VLAN_PRIORITY)); |
| 773 | else if (iface->iface_type == ISCSI_IFACE_TYPE_IPV6) |
| 774 | len = sprintf(buf, "%d\n", |
| 775 | ((ha->ip_config.ipv6_vlan_tag >> 13) & |
| 776 | ISCSI_MAX_VLAN_PRIORITY)); |
| 777 | break; |
| 778 | case ISCSI_NET_PARAM_VLAN_ENABLED: |
| 779 | if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) |
| 780 | len = sprintf(buf, "%s\n", |
| 781 | (ha->ip_config.ipv4_options & |
| 782 | IPOPT_VLAN_TAGGING_ENABLE) ? |
| 783 | "enabled" : "disabled"); |
| 784 | else if (iface->iface_type == ISCSI_IFACE_TYPE_IPV6) |
| 785 | len = sprintf(buf, "%s\n", |
| 786 | (ha->ip_config.ipv6_options & |
| 787 | IPV6_OPT_VLAN_TAGGING_ENABLE) ? |
| 788 | "enabled" : "disabled"); |
| 789 | break; |
Vikas Chaudhary | 943c157 | 2011-08-01 03:26:13 -0700 | [diff] [blame] | 790 | case ISCSI_NET_PARAM_MTU: |
| 791 | len = sprintf(buf, "%d\n", ha->ip_config.eth_mtu_size); |
| 792 | break; |
Vikas Chaudhary | 2ada7fc | 2011-08-01 03:26:19 -0700 | [diff] [blame] | 793 | case ISCSI_NET_PARAM_PORT: |
| 794 | if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4) |
| 795 | len = sprintf(buf, "%d\n", ha->ip_config.ipv4_port); |
| 796 | else if (iface->iface_type == ISCSI_IFACE_TYPE_IPV6) |
| 797 | len = sprintf(buf, "%d\n", ha->ip_config.ipv6_port); |
| 798 | break; |
Vikas Chaudhary | ed1086e | 2011-07-25 13:48:41 -0500 | [diff] [blame] | 799 | default: |
| 800 | len = -ENOSYS; |
| 801 | } |
| 802 | |
| 803 | return len; |
| 804 | } |
| 805 | |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 806 | static struct iscsi_endpoint * |
| 807 | qla4xxx_ep_connect(struct Scsi_Host *shost, struct sockaddr *dst_addr, |
| 808 | int non_blocking) |
| 809 | { |
| 810 | int ret; |
| 811 | struct iscsi_endpoint *ep; |
| 812 | struct qla_endpoint *qla_ep; |
| 813 | struct scsi_qla_host *ha; |
| 814 | struct sockaddr_in *addr; |
| 815 | struct sockaddr_in6 *addr6; |
| 816 | |
| 817 | DEBUG2(printk(KERN_INFO "Func: %s\n", __func__)); |
| 818 | if (!shost) { |
| 819 | ret = -ENXIO; |
| 820 | printk(KERN_ERR "%s: shost is NULL\n", |
| 821 | __func__); |
| 822 | return ERR_PTR(ret); |
| 823 | } |
| 824 | |
| 825 | ha = iscsi_host_priv(shost); |
| 826 | |
| 827 | ep = iscsi_create_endpoint(sizeof(struct qla_endpoint)); |
| 828 | if (!ep) { |
| 829 | ret = -ENOMEM; |
| 830 | return ERR_PTR(ret); |
| 831 | } |
| 832 | |
| 833 | qla_ep = ep->dd_data; |
| 834 | memset(qla_ep, 0, sizeof(struct qla_endpoint)); |
| 835 | if (dst_addr->sa_family == AF_INET) { |
| 836 | memcpy(&qla_ep->dst_addr, dst_addr, sizeof(struct sockaddr_in)); |
| 837 | addr = (struct sockaddr_in *)&qla_ep->dst_addr; |
| 838 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: %pI4\n", __func__, |
| 839 | (char *)&addr->sin_addr)); |
| 840 | } else if (dst_addr->sa_family == AF_INET6) { |
| 841 | memcpy(&qla_ep->dst_addr, dst_addr, |
| 842 | sizeof(struct sockaddr_in6)); |
| 843 | addr6 = (struct sockaddr_in6 *)&qla_ep->dst_addr; |
| 844 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: %pI6\n", __func__, |
| 845 | (char *)&addr6->sin6_addr)); |
| 846 | } |
| 847 | |
| 848 | qla_ep->host = shost; |
| 849 | |
| 850 | return ep; |
| 851 | } |
| 852 | |
| 853 | static int qla4xxx_ep_poll(struct iscsi_endpoint *ep, int timeout_ms) |
| 854 | { |
| 855 | struct qla_endpoint *qla_ep; |
| 856 | struct scsi_qla_host *ha; |
| 857 | int ret = 0; |
| 858 | |
| 859 | DEBUG2(printk(KERN_INFO "Func: %s\n", __func__)); |
| 860 | qla_ep = ep->dd_data; |
| 861 | ha = to_qla_host(qla_ep->host); |
| 862 | |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 863 | if (adapter_up(ha) && !test_bit(AF_BUILD_DDB_LIST, &ha->flags)) |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 864 | ret = 1; |
| 865 | |
| 866 | return ret; |
| 867 | } |
| 868 | |
| 869 | static void qla4xxx_ep_disconnect(struct iscsi_endpoint *ep) |
| 870 | { |
| 871 | DEBUG2(printk(KERN_INFO "Func: %s\n", __func__)); |
| 872 | iscsi_destroy_endpoint(ep); |
| 873 | } |
| 874 | |
| 875 | static int qla4xxx_get_ep_param(struct iscsi_endpoint *ep, |
| 876 | enum iscsi_param param, |
| 877 | char *buf) |
| 878 | { |
| 879 | struct qla_endpoint *qla_ep = ep->dd_data; |
| 880 | struct sockaddr *dst_addr; |
| 881 | |
| 882 | DEBUG2(printk(KERN_INFO "Func: %s\n", __func__)); |
| 883 | |
| 884 | switch (param) { |
| 885 | case ISCSI_PARAM_CONN_PORT: |
| 886 | case ISCSI_PARAM_CONN_ADDRESS: |
| 887 | if (!qla_ep) |
| 888 | return -ENOTCONN; |
| 889 | |
| 890 | dst_addr = (struct sockaddr *)&qla_ep->dst_addr; |
| 891 | if (!dst_addr) |
| 892 | return -ENOTCONN; |
| 893 | |
| 894 | return iscsi_conn_get_addr_param((struct sockaddr_storage *) |
| 895 | &qla_ep->dst_addr, param, buf); |
| 896 | default: |
| 897 | return -ENOSYS; |
| 898 | } |
| 899 | } |
| 900 | |
| 901 | static void qla4xxx_conn_get_stats(struct iscsi_cls_conn *cls_conn, |
| 902 | struct iscsi_stats *stats) |
| 903 | { |
| 904 | struct iscsi_session *sess; |
| 905 | struct iscsi_cls_session *cls_sess; |
| 906 | struct ddb_entry *ddb_entry; |
| 907 | struct scsi_qla_host *ha; |
| 908 | struct ql_iscsi_stats *ql_iscsi_stats; |
| 909 | int stats_size; |
| 910 | int ret; |
| 911 | dma_addr_t iscsi_stats_dma; |
| 912 | |
| 913 | DEBUG2(printk(KERN_INFO "Func: %s\n", __func__)); |
| 914 | |
| 915 | cls_sess = iscsi_conn_to_session(cls_conn); |
| 916 | sess = cls_sess->dd_data; |
| 917 | ddb_entry = sess->dd_data; |
| 918 | ha = ddb_entry->ha; |
| 919 | |
| 920 | stats_size = PAGE_ALIGN(sizeof(struct ql_iscsi_stats)); |
| 921 | /* Allocate memory */ |
| 922 | ql_iscsi_stats = dma_alloc_coherent(&ha->pdev->dev, stats_size, |
| 923 | &iscsi_stats_dma, GFP_KERNEL); |
| 924 | if (!ql_iscsi_stats) { |
| 925 | ql4_printk(KERN_ERR, ha, |
| 926 | "Unable to allocate memory for iscsi stats\n"); |
| 927 | goto exit_get_stats; |
| 928 | } |
| 929 | |
| 930 | ret = qla4xxx_get_mgmt_data(ha, ddb_entry->fw_ddb_index, stats_size, |
| 931 | iscsi_stats_dma); |
| 932 | if (ret != QLA_SUCCESS) { |
| 933 | ql4_printk(KERN_ERR, ha, |
Masanari Iida | 59e13d4 | 2012-04-25 00:24:16 +0900 | [diff] [blame] | 934 | "Unable to retrieve iscsi stats\n"); |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 935 | goto free_stats; |
| 936 | } |
| 937 | |
| 938 | /* octets */ |
| 939 | stats->txdata_octets = le64_to_cpu(ql_iscsi_stats->tx_data_octets); |
| 940 | stats->rxdata_octets = le64_to_cpu(ql_iscsi_stats->rx_data_octets); |
| 941 | /* xmit pdus */ |
| 942 | stats->noptx_pdus = le32_to_cpu(ql_iscsi_stats->tx_nopout_pdus); |
| 943 | stats->scsicmd_pdus = le32_to_cpu(ql_iscsi_stats->tx_scsi_cmd_pdus); |
| 944 | stats->tmfcmd_pdus = le32_to_cpu(ql_iscsi_stats->tx_tmf_cmd_pdus); |
| 945 | stats->login_pdus = le32_to_cpu(ql_iscsi_stats->tx_login_cmd_pdus); |
| 946 | stats->text_pdus = le32_to_cpu(ql_iscsi_stats->tx_text_cmd_pdus); |
| 947 | stats->dataout_pdus = le32_to_cpu(ql_iscsi_stats->tx_scsi_write_pdus); |
| 948 | stats->logout_pdus = le32_to_cpu(ql_iscsi_stats->tx_logout_cmd_pdus); |
| 949 | stats->snack_pdus = le32_to_cpu(ql_iscsi_stats->tx_snack_req_pdus); |
| 950 | /* recv pdus */ |
| 951 | stats->noprx_pdus = le32_to_cpu(ql_iscsi_stats->rx_nopin_pdus); |
| 952 | stats->scsirsp_pdus = le32_to_cpu(ql_iscsi_stats->rx_scsi_resp_pdus); |
| 953 | stats->tmfrsp_pdus = le32_to_cpu(ql_iscsi_stats->rx_tmf_resp_pdus); |
| 954 | stats->textrsp_pdus = le32_to_cpu(ql_iscsi_stats->rx_text_resp_pdus); |
| 955 | stats->datain_pdus = le32_to_cpu(ql_iscsi_stats->rx_scsi_read_pdus); |
| 956 | stats->logoutrsp_pdus = |
| 957 | le32_to_cpu(ql_iscsi_stats->rx_logout_resp_pdus); |
| 958 | stats->r2t_pdus = le32_to_cpu(ql_iscsi_stats->rx_r2t_pdus); |
| 959 | stats->async_pdus = le32_to_cpu(ql_iscsi_stats->rx_async_pdus); |
| 960 | stats->rjt_pdus = le32_to_cpu(ql_iscsi_stats->rx_reject_pdus); |
| 961 | |
| 962 | free_stats: |
| 963 | dma_free_coherent(&ha->pdev->dev, stats_size, ql_iscsi_stats, |
| 964 | iscsi_stats_dma); |
| 965 | exit_get_stats: |
| 966 | return; |
| 967 | } |
| 968 | |
Mike Christie | 5c656af | 2009-07-15 15:02:59 -0500 | [diff] [blame] | 969 | static enum blk_eh_timer_return qla4xxx_eh_cmd_timed_out(struct scsi_cmnd *sc) |
| 970 | { |
| 971 | struct iscsi_cls_session *session; |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 972 | struct iscsi_session *sess; |
| 973 | unsigned long flags; |
| 974 | enum blk_eh_timer_return ret = BLK_EH_NOT_HANDLED; |
Mike Christie | 5c656af | 2009-07-15 15:02:59 -0500 | [diff] [blame] | 975 | |
| 976 | session = starget_to_session(scsi_target(sc->device)); |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 977 | sess = session->dd_data; |
Mike Christie | 5c656af | 2009-07-15 15:02:59 -0500 | [diff] [blame] | 978 | |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 979 | spin_lock_irqsave(&session->lock, flags); |
| 980 | if (session->state == ISCSI_SESSION_FAILED) |
| 981 | ret = BLK_EH_RESET_TIMER; |
| 982 | spin_unlock_irqrestore(&session->lock, flags); |
Mike Christie | 5c656af | 2009-07-15 15:02:59 -0500 | [diff] [blame] | 983 | |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 984 | return ret; |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 985 | } |
| 986 | |
Vikas Chaudhary | 3254dbe | 2012-01-19 03:06:56 -0800 | [diff] [blame] | 987 | static void qla4xxx_set_port_speed(struct Scsi_Host *shost) |
| 988 | { |
| 989 | struct scsi_qla_host *ha = to_qla_host(shost); |
Vikas Chaudhary | e16d166 | 2012-03-02 01:55:31 -0800 | [diff] [blame] | 990 | struct iscsi_cls_host *ihost = shost->shost_data; |
Vikas Chaudhary | 3254dbe | 2012-01-19 03:06:56 -0800 | [diff] [blame] | 991 | uint32_t speed = ISCSI_PORT_SPEED_UNKNOWN; |
| 992 | |
| 993 | qla4xxx_get_firmware_state(ha); |
| 994 | |
| 995 | switch (ha->addl_fw_state & 0x0F00) { |
| 996 | case FW_ADDSTATE_LINK_SPEED_10MBPS: |
| 997 | speed = ISCSI_PORT_SPEED_10MBPS; |
| 998 | break; |
| 999 | case FW_ADDSTATE_LINK_SPEED_100MBPS: |
| 1000 | speed = ISCSI_PORT_SPEED_100MBPS; |
| 1001 | break; |
| 1002 | case FW_ADDSTATE_LINK_SPEED_1GBPS: |
| 1003 | speed = ISCSI_PORT_SPEED_1GBPS; |
| 1004 | break; |
| 1005 | case FW_ADDSTATE_LINK_SPEED_10GBPS: |
| 1006 | speed = ISCSI_PORT_SPEED_10GBPS; |
| 1007 | break; |
| 1008 | } |
| 1009 | ihost->port_speed = speed; |
| 1010 | } |
| 1011 | |
| 1012 | static void qla4xxx_set_port_state(struct Scsi_Host *shost) |
| 1013 | { |
| 1014 | struct scsi_qla_host *ha = to_qla_host(shost); |
Vikas Chaudhary | e16d166 | 2012-03-02 01:55:31 -0800 | [diff] [blame] | 1015 | struct iscsi_cls_host *ihost = shost->shost_data; |
Vikas Chaudhary | 3254dbe | 2012-01-19 03:06:56 -0800 | [diff] [blame] | 1016 | uint32_t state = ISCSI_PORT_STATE_DOWN; |
| 1017 | |
| 1018 | if (test_bit(AF_LINK_UP, &ha->flags)) |
| 1019 | state = ISCSI_PORT_STATE_UP; |
| 1020 | |
| 1021 | ihost->port_state = state; |
| 1022 | } |
| 1023 | |
Mike Christie | aa1e93a | 2007-05-30 12:57:09 -0500 | [diff] [blame] | 1024 | static int qla4xxx_host_get_param(struct Scsi_Host *shost, |
| 1025 | enum iscsi_host_param param, char *buf) |
| 1026 | { |
| 1027 | struct scsi_qla_host *ha = to_qla_host(shost); |
| 1028 | int len; |
| 1029 | |
| 1030 | switch (param) { |
| 1031 | case ISCSI_HOST_PARAM_HWADDRESS: |
Michael Chan | 7ffc49a | 2007-12-24 21:28:09 -0800 | [diff] [blame] | 1032 | len = sysfs_format_mac(buf, ha->my_mac, MAC_ADDR_LEN); |
Mike Christie | aa1e93a | 2007-05-30 12:57:09 -0500 | [diff] [blame] | 1033 | break; |
Mike Christie | 2223696 | 2007-05-30 12:57:24 -0500 | [diff] [blame] | 1034 | case ISCSI_HOST_PARAM_IPADDRESS: |
Vikas Chaudhary | 2bab08f | 2011-07-25 13:48:39 -0500 | [diff] [blame] | 1035 | len = sprintf(buf, "%pI4\n", &ha->ip_config.ip_address); |
Mike Christie | 2223696 | 2007-05-30 12:57:24 -0500 | [diff] [blame] | 1036 | break; |
Mike Christie | 8ad5781 | 2007-05-30 12:57:13 -0500 | [diff] [blame] | 1037 | case ISCSI_HOST_PARAM_INITIATOR_NAME: |
Mike Christie | 2223696 | 2007-05-30 12:57:24 -0500 | [diff] [blame] | 1038 | len = sprintf(buf, "%s\n", ha->name_string); |
Mike Christie | 8ad5781 | 2007-05-30 12:57:13 -0500 | [diff] [blame] | 1039 | break; |
Vikas Chaudhary | 3254dbe | 2012-01-19 03:06:56 -0800 | [diff] [blame] | 1040 | case ISCSI_HOST_PARAM_PORT_STATE: |
| 1041 | qla4xxx_set_port_state(shost); |
| 1042 | len = sprintf(buf, "%s\n", iscsi_get_port_state_name(shost)); |
| 1043 | break; |
| 1044 | case ISCSI_HOST_PARAM_PORT_SPEED: |
| 1045 | qla4xxx_set_port_speed(shost); |
| 1046 | len = sprintf(buf, "%s\n", iscsi_get_port_speed_name(shost)); |
| 1047 | break; |
Mike Christie | aa1e93a | 2007-05-30 12:57:09 -0500 | [diff] [blame] | 1048 | default: |
| 1049 | return -ENOSYS; |
| 1050 | } |
| 1051 | |
| 1052 | return len; |
| 1053 | } |
| 1054 | |
Vikas Chaudhary | ed1086e | 2011-07-25 13:48:41 -0500 | [diff] [blame] | 1055 | static void qla4xxx_create_ipv4_iface(struct scsi_qla_host *ha) |
| 1056 | { |
| 1057 | if (ha->iface_ipv4) |
| 1058 | return; |
| 1059 | |
| 1060 | /* IPv4 */ |
| 1061 | ha->iface_ipv4 = iscsi_create_iface(ha->host, |
| 1062 | &qla4xxx_iscsi_transport, |
| 1063 | ISCSI_IFACE_TYPE_IPV4, 0, 0); |
| 1064 | if (!ha->iface_ipv4) |
| 1065 | ql4_printk(KERN_ERR, ha, "Could not create IPv4 iSCSI " |
| 1066 | "iface0.\n"); |
| 1067 | } |
| 1068 | |
| 1069 | static void qla4xxx_create_ipv6_iface(struct scsi_qla_host *ha) |
| 1070 | { |
| 1071 | if (!ha->iface_ipv6_0) |
| 1072 | /* IPv6 iface-0 */ |
| 1073 | ha->iface_ipv6_0 = iscsi_create_iface(ha->host, |
| 1074 | &qla4xxx_iscsi_transport, |
| 1075 | ISCSI_IFACE_TYPE_IPV6, 0, |
| 1076 | 0); |
| 1077 | if (!ha->iface_ipv6_0) |
| 1078 | ql4_printk(KERN_ERR, ha, "Could not create IPv6 iSCSI " |
| 1079 | "iface0.\n"); |
| 1080 | |
| 1081 | if (!ha->iface_ipv6_1) |
| 1082 | /* IPv6 iface-1 */ |
| 1083 | ha->iface_ipv6_1 = iscsi_create_iface(ha->host, |
| 1084 | &qla4xxx_iscsi_transport, |
| 1085 | ISCSI_IFACE_TYPE_IPV6, 1, |
| 1086 | 0); |
| 1087 | if (!ha->iface_ipv6_1) |
| 1088 | ql4_printk(KERN_ERR, ha, "Could not create IPv6 iSCSI " |
| 1089 | "iface1.\n"); |
| 1090 | } |
| 1091 | |
| 1092 | static void qla4xxx_create_ifaces(struct scsi_qla_host *ha) |
| 1093 | { |
| 1094 | if (ha->ip_config.ipv4_options & IPOPT_IPV4_PROTOCOL_ENABLE) |
| 1095 | qla4xxx_create_ipv4_iface(ha); |
| 1096 | |
| 1097 | if (ha->ip_config.ipv6_options & IPV6_OPT_IPV6_PROTOCOL_ENABLE) |
| 1098 | qla4xxx_create_ipv6_iface(ha); |
| 1099 | } |
| 1100 | |
| 1101 | static void qla4xxx_destroy_ipv4_iface(struct scsi_qla_host *ha) |
| 1102 | { |
| 1103 | if (ha->iface_ipv4) { |
| 1104 | iscsi_destroy_iface(ha->iface_ipv4); |
| 1105 | ha->iface_ipv4 = NULL; |
| 1106 | } |
| 1107 | } |
| 1108 | |
| 1109 | static void qla4xxx_destroy_ipv6_iface(struct scsi_qla_host *ha) |
| 1110 | { |
| 1111 | if (ha->iface_ipv6_0) { |
| 1112 | iscsi_destroy_iface(ha->iface_ipv6_0); |
| 1113 | ha->iface_ipv6_0 = NULL; |
| 1114 | } |
| 1115 | if (ha->iface_ipv6_1) { |
| 1116 | iscsi_destroy_iface(ha->iface_ipv6_1); |
| 1117 | ha->iface_ipv6_1 = NULL; |
| 1118 | } |
| 1119 | } |
| 1120 | |
| 1121 | static void qla4xxx_destroy_ifaces(struct scsi_qla_host *ha) |
| 1122 | { |
| 1123 | qla4xxx_destroy_ipv4_iface(ha); |
| 1124 | qla4xxx_destroy_ipv6_iface(ha); |
| 1125 | } |
| 1126 | |
Mike Christie | d00efe3 | 2011-07-25 13:48:38 -0500 | [diff] [blame] | 1127 | static void qla4xxx_set_ipv6(struct scsi_qla_host *ha, |
| 1128 | struct iscsi_iface_param_info *iface_param, |
| 1129 | struct addr_ctrl_blk *init_fw_cb) |
| 1130 | { |
| 1131 | /* |
| 1132 | * iface_num 0 is valid for IPv6 Addr, linklocal, router, autocfg. |
| 1133 | * iface_num 1 is valid only for IPv6 Addr. |
| 1134 | */ |
| 1135 | switch (iface_param->param) { |
| 1136 | case ISCSI_NET_PARAM_IPV6_ADDR: |
| 1137 | if (iface_param->iface_num & 0x1) |
| 1138 | /* IPv6 Addr 1 */ |
| 1139 | memcpy(init_fw_cb->ipv6_addr1, iface_param->value, |
| 1140 | sizeof(init_fw_cb->ipv6_addr1)); |
| 1141 | else |
| 1142 | /* IPv6 Addr 0 */ |
| 1143 | memcpy(init_fw_cb->ipv6_addr0, iface_param->value, |
| 1144 | sizeof(init_fw_cb->ipv6_addr0)); |
| 1145 | break; |
| 1146 | case ISCSI_NET_PARAM_IPV6_LINKLOCAL: |
| 1147 | if (iface_param->iface_num & 0x1) |
| 1148 | break; |
| 1149 | memcpy(init_fw_cb->ipv6_if_id, &iface_param->value[8], |
| 1150 | sizeof(init_fw_cb->ipv6_if_id)); |
| 1151 | break; |
| 1152 | case ISCSI_NET_PARAM_IPV6_ROUTER: |
| 1153 | if (iface_param->iface_num & 0x1) |
| 1154 | break; |
| 1155 | memcpy(init_fw_cb->ipv6_dflt_rtr_addr, iface_param->value, |
| 1156 | sizeof(init_fw_cb->ipv6_dflt_rtr_addr)); |
| 1157 | break; |
| 1158 | case ISCSI_NET_PARAM_IPV6_ADDR_AUTOCFG: |
| 1159 | /* Autocfg applies to even interface */ |
| 1160 | if (iface_param->iface_num & 0x1) |
| 1161 | break; |
| 1162 | |
| 1163 | if (iface_param->value[0] == ISCSI_IPV6_AUTOCFG_DISABLE) |
| 1164 | init_fw_cb->ipv6_addtl_opts &= |
| 1165 | cpu_to_le16( |
| 1166 | ~IPV6_ADDOPT_NEIGHBOR_DISCOVERY_ADDR_ENABLE); |
| 1167 | else if (iface_param->value[0] == ISCSI_IPV6_AUTOCFG_ND_ENABLE) |
| 1168 | init_fw_cb->ipv6_addtl_opts |= |
| 1169 | cpu_to_le16( |
| 1170 | IPV6_ADDOPT_NEIGHBOR_DISCOVERY_ADDR_ENABLE); |
| 1171 | else |
| 1172 | ql4_printk(KERN_ERR, ha, "Invalid autocfg setting for " |
| 1173 | "IPv6 addr\n"); |
| 1174 | break; |
| 1175 | case ISCSI_NET_PARAM_IPV6_LINKLOCAL_AUTOCFG: |
| 1176 | /* Autocfg applies to even interface */ |
| 1177 | if (iface_param->iface_num & 0x1) |
| 1178 | break; |
| 1179 | |
| 1180 | if (iface_param->value[0] == |
| 1181 | ISCSI_IPV6_LINKLOCAL_AUTOCFG_ENABLE) |
| 1182 | init_fw_cb->ipv6_addtl_opts |= cpu_to_le16( |
| 1183 | IPV6_ADDOPT_AUTOCONFIG_LINK_LOCAL_ADDR); |
| 1184 | else if (iface_param->value[0] == |
| 1185 | ISCSI_IPV6_LINKLOCAL_AUTOCFG_DISABLE) |
| 1186 | init_fw_cb->ipv6_addtl_opts &= cpu_to_le16( |
| 1187 | ~IPV6_ADDOPT_AUTOCONFIG_LINK_LOCAL_ADDR); |
| 1188 | else |
| 1189 | ql4_printk(KERN_ERR, ha, "Invalid autocfg setting for " |
| 1190 | "IPv6 linklocal addr\n"); |
| 1191 | break; |
| 1192 | case ISCSI_NET_PARAM_IPV6_ROUTER_AUTOCFG: |
| 1193 | /* Autocfg applies to even interface */ |
| 1194 | if (iface_param->iface_num & 0x1) |
| 1195 | break; |
| 1196 | |
| 1197 | if (iface_param->value[0] == ISCSI_IPV6_ROUTER_AUTOCFG_ENABLE) |
| 1198 | memset(init_fw_cb->ipv6_dflt_rtr_addr, 0, |
| 1199 | sizeof(init_fw_cb->ipv6_dflt_rtr_addr)); |
| 1200 | break; |
| 1201 | case ISCSI_NET_PARAM_IFACE_ENABLE: |
Vikas Chaudhary | ed1086e | 2011-07-25 13:48:41 -0500 | [diff] [blame] | 1202 | if (iface_param->value[0] == ISCSI_IFACE_ENABLE) { |
Mike Christie | d00efe3 | 2011-07-25 13:48:38 -0500 | [diff] [blame] | 1203 | init_fw_cb->ipv6_opts |= |
| 1204 | cpu_to_le16(IPV6_OPT_IPV6_PROTOCOL_ENABLE); |
Vikas Chaudhary | ed1086e | 2011-07-25 13:48:41 -0500 | [diff] [blame] | 1205 | qla4xxx_create_ipv6_iface(ha); |
| 1206 | } else { |
Mike Christie | d00efe3 | 2011-07-25 13:48:38 -0500 | [diff] [blame] | 1207 | init_fw_cb->ipv6_opts &= |
| 1208 | cpu_to_le16(~IPV6_OPT_IPV6_PROTOCOL_ENABLE & |
| 1209 | 0xFFFF); |
Vikas Chaudhary | ed1086e | 2011-07-25 13:48:41 -0500 | [diff] [blame] | 1210 | qla4xxx_destroy_ipv6_iface(ha); |
| 1211 | } |
Mike Christie | d00efe3 | 2011-07-25 13:48:38 -0500 | [diff] [blame] | 1212 | break; |
Mike Christie | 2d63673 | 2011-10-11 17:55:11 -0500 | [diff] [blame] | 1213 | case ISCSI_NET_PARAM_VLAN_TAG: |
Mike Christie | d00efe3 | 2011-07-25 13:48:38 -0500 | [diff] [blame] | 1214 | if (iface_param->len != sizeof(init_fw_cb->ipv6_vlan_tag)) |
| 1215 | break; |
Vikas Chaudhary | 6ac73e8 | 2011-07-25 13:48:49 -0500 | [diff] [blame] | 1216 | init_fw_cb->ipv6_vlan_tag = |
| 1217 | cpu_to_be16(*(uint16_t *)iface_param->value); |
| 1218 | break; |
| 1219 | case ISCSI_NET_PARAM_VLAN_ENABLED: |
| 1220 | if (iface_param->value[0] == ISCSI_VLAN_ENABLE) |
| 1221 | init_fw_cb->ipv6_opts |= |
| 1222 | cpu_to_le16(IPV6_OPT_VLAN_TAGGING_ENABLE); |
| 1223 | else |
| 1224 | init_fw_cb->ipv6_opts &= |
| 1225 | cpu_to_le16(~IPV6_OPT_VLAN_TAGGING_ENABLE); |
Mike Christie | d00efe3 | 2011-07-25 13:48:38 -0500 | [diff] [blame] | 1226 | break; |
Vikas Chaudhary | 943c157 | 2011-08-01 03:26:13 -0700 | [diff] [blame] | 1227 | case ISCSI_NET_PARAM_MTU: |
| 1228 | init_fw_cb->eth_mtu_size = |
| 1229 | cpu_to_le16(*(uint16_t *)iface_param->value); |
| 1230 | break; |
Vikas Chaudhary | 2ada7fc | 2011-08-01 03:26:19 -0700 | [diff] [blame] | 1231 | case ISCSI_NET_PARAM_PORT: |
| 1232 | /* Autocfg applies to even interface */ |
| 1233 | if (iface_param->iface_num & 0x1) |
| 1234 | break; |
| 1235 | |
| 1236 | init_fw_cb->ipv6_port = |
| 1237 | cpu_to_le16(*(uint16_t *)iface_param->value); |
| 1238 | break; |
Mike Christie | d00efe3 | 2011-07-25 13:48:38 -0500 | [diff] [blame] | 1239 | default: |
| 1240 | ql4_printk(KERN_ERR, ha, "Unknown IPv6 param = %d\n", |
| 1241 | iface_param->param); |
| 1242 | break; |
| 1243 | } |
| 1244 | } |
| 1245 | |
| 1246 | static void qla4xxx_set_ipv4(struct scsi_qla_host *ha, |
| 1247 | struct iscsi_iface_param_info *iface_param, |
| 1248 | struct addr_ctrl_blk *init_fw_cb) |
| 1249 | { |
| 1250 | switch (iface_param->param) { |
| 1251 | case ISCSI_NET_PARAM_IPV4_ADDR: |
| 1252 | memcpy(init_fw_cb->ipv4_addr, iface_param->value, |
| 1253 | sizeof(init_fw_cb->ipv4_addr)); |
| 1254 | break; |
| 1255 | case ISCSI_NET_PARAM_IPV4_SUBNET: |
| 1256 | memcpy(init_fw_cb->ipv4_subnet, iface_param->value, |
| 1257 | sizeof(init_fw_cb->ipv4_subnet)); |
| 1258 | break; |
| 1259 | case ISCSI_NET_PARAM_IPV4_GW: |
| 1260 | memcpy(init_fw_cb->ipv4_gw_addr, iface_param->value, |
| 1261 | sizeof(init_fw_cb->ipv4_gw_addr)); |
| 1262 | break; |
| 1263 | case ISCSI_NET_PARAM_IPV4_BOOTPROTO: |
| 1264 | if (iface_param->value[0] == ISCSI_BOOTPROTO_DHCP) |
| 1265 | init_fw_cb->ipv4_tcp_opts |= |
| 1266 | cpu_to_le16(TCPOPT_DHCP_ENABLE); |
| 1267 | else if (iface_param->value[0] == ISCSI_BOOTPROTO_STATIC) |
| 1268 | init_fw_cb->ipv4_tcp_opts &= |
| 1269 | cpu_to_le16(~TCPOPT_DHCP_ENABLE); |
| 1270 | else |
| 1271 | ql4_printk(KERN_ERR, ha, "Invalid IPv4 bootproto\n"); |
| 1272 | break; |
| 1273 | case ISCSI_NET_PARAM_IFACE_ENABLE: |
Vikas Chaudhary | ed1086e | 2011-07-25 13:48:41 -0500 | [diff] [blame] | 1274 | if (iface_param->value[0] == ISCSI_IFACE_ENABLE) { |
Mike Christie | d00efe3 | 2011-07-25 13:48:38 -0500 | [diff] [blame] | 1275 | init_fw_cb->ipv4_ip_opts |= |
Vikas Chaudhary | 2bab08f | 2011-07-25 13:48:39 -0500 | [diff] [blame] | 1276 | cpu_to_le16(IPOPT_IPV4_PROTOCOL_ENABLE); |
Vikas Chaudhary | ed1086e | 2011-07-25 13:48:41 -0500 | [diff] [blame] | 1277 | qla4xxx_create_ipv4_iface(ha); |
| 1278 | } else { |
Mike Christie | d00efe3 | 2011-07-25 13:48:38 -0500 | [diff] [blame] | 1279 | init_fw_cb->ipv4_ip_opts &= |
Vikas Chaudhary | 2bab08f | 2011-07-25 13:48:39 -0500 | [diff] [blame] | 1280 | cpu_to_le16(~IPOPT_IPV4_PROTOCOL_ENABLE & |
Mike Christie | d00efe3 | 2011-07-25 13:48:38 -0500 | [diff] [blame] | 1281 | 0xFFFF); |
Vikas Chaudhary | ed1086e | 2011-07-25 13:48:41 -0500 | [diff] [blame] | 1282 | qla4xxx_destroy_ipv4_iface(ha); |
| 1283 | } |
Mike Christie | d00efe3 | 2011-07-25 13:48:38 -0500 | [diff] [blame] | 1284 | break; |
Mike Christie | 2d63673 | 2011-10-11 17:55:11 -0500 | [diff] [blame] | 1285 | case ISCSI_NET_PARAM_VLAN_TAG: |
Mike Christie | d00efe3 | 2011-07-25 13:48:38 -0500 | [diff] [blame] | 1286 | if (iface_param->len != sizeof(init_fw_cb->ipv4_vlan_tag)) |
| 1287 | break; |
Vikas Chaudhary | 6ac73e8 | 2011-07-25 13:48:49 -0500 | [diff] [blame] | 1288 | init_fw_cb->ipv4_vlan_tag = |
| 1289 | cpu_to_be16(*(uint16_t *)iface_param->value); |
| 1290 | break; |
| 1291 | case ISCSI_NET_PARAM_VLAN_ENABLED: |
| 1292 | if (iface_param->value[0] == ISCSI_VLAN_ENABLE) |
| 1293 | init_fw_cb->ipv4_ip_opts |= |
| 1294 | cpu_to_le16(IPOPT_VLAN_TAGGING_ENABLE); |
| 1295 | else |
| 1296 | init_fw_cb->ipv4_ip_opts &= |
| 1297 | cpu_to_le16(~IPOPT_VLAN_TAGGING_ENABLE); |
Mike Christie | d00efe3 | 2011-07-25 13:48:38 -0500 | [diff] [blame] | 1298 | break; |
Vikas Chaudhary | 943c157 | 2011-08-01 03:26:13 -0700 | [diff] [blame] | 1299 | case ISCSI_NET_PARAM_MTU: |
| 1300 | init_fw_cb->eth_mtu_size = |
| 1301 | cpu_to_le16(*(uint16_t *)iface_param->value); |
| 1302 | break; |
Vikas Chaudhary | 2ada7fc | 2011-08-01 03:26:19 -0700 | [diff] [blame] | 1303 | case ISCSI_NET_PARAM_PORT: |
| 1304 | init_fw_cb->ipv4_port = |
| 1305 | cpu_to_le16(*(uint16_t *)iface_param->value); |
| 1306 | break; |
Mike Christie | d00efe3 | 2011-07-25 13:48:38 -0500 | [diff] [blame] | 1307 | default: |
| 1308 | ql4_printk(KERN_ERR, ha, "Unknown IPv4 param = %d\n", |
| 1309 | iface_param->param); |
| 1310 | break; |
| 1311 | } |
| 1312 | } |
| 1313 | |
| 1314 | static void |
| 1315 | qla4xxx_initcb_to_acb(struct addr_ctrl_blk *init_fw_cb) |
| 1316 | { |
| 1317 | struct addr_ctrl_blk_def *acb; |
| 1318 | acb = (struct addr_ctrl_blk_def *)init_fw_cb; |
| 1319 | memset(acb->reserved1, 0, sizeof(acb->reserved1)); |
| 1320 | memset(acb->reserved2, 0, sizeof(acb->reserved2)); |
| 1321 | memset(acb->reserved3, 0, sizeof(acb->reserved3)); |
| 1322 | memset(acb->reserved4, 0, sizeof(acb->reserved4)); |
| 1323 | memset(acb->reserved5, 0, sizeof(acb->reserved5)); |
| 1324 | memset(acb->reserved6, 0, sizeof(acb->reserved6)); |
| 1325 | memset(acb->reserved7, 0, sizeof(acb->reserved7)); |
| 1326 | memset(acb->reserved8, 0, sizeof(acb->reserved8)); |
| 1327 | memset(acb->reserved9, 0, sizeof(acb->reserved9)); |
| 1328 | memset(acb->reserved10, 0, sizeof(acb->reserved10)); |
| 1329 | memset(acb->reserved11, 0, sizeof(acb->reserved11)); |
| 1330 | memset(acb->reserved12, 0, sizeof(acb->reserved12)); |
| 1331 | memset(acb->reserved13, 0, sizeof(acb->reserved13)); |
| 1332 | memset(acb->reserved14, 0, sizeof(acb->reserved14)); |
| 1333 | memset(acb->reserved15, 0, sizeof(acb->reserved15)); |
| 1334 | } |
| 1335 | |
| 1336 | static int |
Mike Christie | 00c3188 | 2011-10-06 03:56:59 -0500 | [diff] [blame] | 1337 | qla4xxx_iface_set_param(struct Scsi_Host *shost, void *data, uint32_t len) |
Mike Christie | d00efe3 | 2011-07-25 13:48:38 -0500 | [diff] [blame] | 1338 | { |
| 1339 | struct scsi_qla_host *ha = to_qla_host(shost); |
| 1340 | int rval = 0; |
| 1341 | struct iscsi_iface_param_info *iface_param = NULL; |
| 1342 | struct addr_ctrl_blk *init_fw_cb = NULL; |
| 1343 | dma_addr_t init_fw_cb_dma; |
| 1344 | uint32_t mbox_cmd[MBOX_REG_COUNT]; |
| 1345 | uint32_t mbox_sts[MBOX_REG_COUNT]; |
Mike Christie | 00c3188 | 2011-10-06 03:56:59 -0500 | [diff] [blame] | 1346 | uint32_t rem = len; |
| 1347 | struct nlattr *attr; |
Mike Christie | d00efe3 | 2011-07-25 13:48:38 -0500 | [diff] [blame] | 1348 | |
| 1349 | init_fw_cb = dma_alloc_coherent(&ha->pdev->dev, |
| 1350 | sizeof(struct addr_ctrl_blk), |
| 1351 | &init_fw_cb_dma, GFP_KERNEL); |
| 1352 | if (!init_fw_cb) { |
| 1353 | ql4_printk(KERN_ERR, ha, "%s: Unable to alloc init_cb\n", |
| 1354 | __func__); |
| 1355 | return -ENOMEM; |
| 1356 | } |
| 1357 | |
| 1358 | memset(init_fw_cb, 0, sizeof(struct addr_ctrl_blk)); |
| 1359 | memset(&mbox_cmd, 0, sizeof(mbox_cmd)); |
| 1360 | memset(&mbox_sts, 0, sizeof(mbox_sts)); |
| 1361 | |
| 1362 | if (qla4xxx_get_ifcb(ha, &mbox_cmd[0], &mbox_sts[0], init_fw_cb_dma)) { |
| 1363 | ql4_printk(KERN_ERR, ha, "%s: get ifcb failed\n", __func__); |
| 1364 | rval = -EIO; |
| 1365 | goto exit_init_fw_cb; |
| 1366 | } |
| 1367 | |
Mike Christie | 00c3188 | 2011-10-06 03:56:59 -0500 | [diff] [blame] | 1368 | nla_for_each_attr(attr, data, len, rem) { |
| 1369 | iface_param = nla_data(attr); |
Mike Christie | d00efe3 | 2011-07-25 13:48:38 -0500 | [diff] [blame] | 1370 | |
| 1371 | if (iface_param->param_type != ISCSI_NET_PARAM) |
| 1372 | continue; |
| 1373 | |
| 1374 | switch (iface_param->iface_type) { |
| 1375 | case ISCSI_IFACE_TYPE_IPV4: |
| 1376 | switch (iface_param->iface_num) { |
| 1377 | case 0: |
| 1378 | qla4xxx_set_ipv4(ha, iface_param, init_fw_cb); |
| 1379 | break; |
| 1380 | default: |
| 1381 | /* Cannot have more than one IPv4 interface */ |
| 1382 | ql4_printk(KERN_ERR, ha, "Invalid IPv4 iface " |
| 1383 | "number = %d\n", |
| 1384 | iface_param->iface_num); |
| 1385 | break; |
| 1386 | } |
| 1387 | break; |
| 1388 | case ISCSI_IFACE_TYPE_IPV6: |
| 1389 | switch (iface_param->iface_num) { |
| 1390 | case 0: |
| 1391 | case 1: |
| 1392 | qla4xxx_set_ipv6(ha, iface_param, init_fw_cb); |
| 1393 | break; |
| 1394 | default: |
| 1395 | /* Cannot have more than two IPv6 interface */ |
| 1396 | ql4_printk(KERN_ERR, ha, "Invalid IPv6 iface " |
| 1397 | "number = %d\n", |
| 1398 | iface_param->iface_num); |
| 1399 | break; |
| 1400 | } |
| 1401 | break; |
| 1402 | default: |
| 1403 | ql4_printk(KERN_ERR, ha, "Invalid iface type\n"); |
| 1404 | break; |
| 1405 | } |
Mike Christie | d00efe3 | 2011-07-25 13:48:38 -0500 | [diff] [blame] | 1406 | } |
| 1407 | |
| 1408 | init_fw_cb->cookie = cpu_to_le32(0x11BEAD5A); |
| 1409 | |
| 1410 | rval = qla4xxx_set_flash(ha, init_fw_cb_dma, FLASH_SEGMENT_IFCB, |
| 1411 | sizeof(struct addr_ctrl_blk), |
| 1412 | FLASH_OPT_RMW_COMMIT); |
| 1413 | if (rval != QLA_SUCCESS) { |
| 1414 | ql4_printk(KERN_ERR, ha, "%s: set flash mbx failed\n", |
| 1415 | __func__); |
| 1416 | rval = -EIO; |
| 1417 | goto exit_init_fw_cb; |
| 1418 | } |
| 1419 | |
Vikas Chaudhary | ce505f9 | 2011-12-01 22:42:10 -0800 | [diff] [blame] | 1420 | rval = qla4xxx_disable_acb(ha); |
| 1421 | if (rval != QLA_SUCCESS) { |
| 1422 | ql4_printk(KERN_ERR, ha, "%s: disable acb mbx failed\n", |
| 1423 | __func__); |
| 1424 | rval = -EIO; |
| 1425 | goto exit_init_fw_cb; |
| 1426 | } |
| 1427 | |
| 1428 | wait_for_completion_timeout(&ha->disable_acb_comp, |
| 1429 | DISABLE_ACB_TOV * HZ); |
Mike Christie | d00efe3 | 2011-07-25 13:48:38 -0500 | [diff] [blame] | 1430 | |
| 1431 | qla4xxx_initcb_to_acb(init_fw_cb); |
| 1432 | |
| 1433 | rval = qla4xxx_set_acb(ha, &mbox_cmd[0], &mbox_sts[0], init_fw_cb_dma); |
| 1434 | if (rval != QLA_SUCCESS) { |
| 1435 | ql4_printk(KERN_ERR, ha, "%s: set acb mbx failed\n", |
| 1436 | __func__); |
| 1437 | rval = -EIO; |
| 1438 | goto exit_init_fw_cb; |
| 1439 | } |
| 1440 | |
| 1441 | memset(init_fw_cb, 0, sizeof(struct addr_ctrl_blk)); |
| 1442 | qla4xxx_update_local_ifcb(ha, &mbox_cmd[0], &mbox_sts[0], init_fw_cb, |
| 1443 | init_fw_cb_dma); |
| 1444 | |
| 1445 | exit_init_fw_cb: |
| 1446 | dma_free_coherent(&ha->pdev->dev, sizeof(struct addr_ctrl_blk), |
| 1447 | init_fw_cb, init_fw_cb_dma); |
| 1448 | |
| 1449 | return rval; |
| 1450 | } |
| 1451 | |
Mike Christie | fca9f04 | 2012-02-27 03:08:54 -0800 | [diff] [blame] | 1452 | static int qla4xxx_session_get_param(struct iscsi_cls_session *cls_sess, |
| 1453 | enum iscsi_param param, char *buf) |
| 1454 | { |
| 1455 | struct iscsi_session *sess = cls_sess->dd_data; |
| 1456 | struct ddb_entry *ddb_entry = sess->dd_data; |
| 1457 | struct scsi_qla_host *ha = ddb_entry->ha; |
| 1458 | int rval, len; |
| 1459 | uint16_t idx; |
| 1460 | |
| 1461 | switch (param) { |
| 1462 | case ISCSI_PARAM_CHAP_IN_IDX: |
| 1463 | rval = qla4xxx_get_chap_index(ha, sess->username_in, |
| 1464 | sess->password_in, BIDI_CHAP, |
| 1465 | &idx); |
| 1466 | if (rval) |
Manish Rangankar | c7a5e0d | 2013-01-20 23:51:04 -0500 | [diff] [blame] | 1467 | len = sprintf(buf, "\n"); |
| 1468 | else |
| 1469 | len = sprintf(buf, "%hu\n", idx); |
Mike Christie | fca9f04 | 2012-02-27 03:08:54 -0800 | [diff] [blame] | 1470 | break; |
| 1471 | case ISCSI_PARAM_CHAP_OUT_IDX: |
| 1472 | rval = qla4xxx_get_chap_index(ha, sess->username, |
| 1473 | sess->password, LOCAL_CHAP, |
| 1474 | &idx); |
| 1475 | if (rval) |
Manish Rangankar | c7a5e0d | 2013-01-20 23:51:04 -0500 | [diff] [blame] | 1476 | len = sprintf(buf, "\n"); |
| 1477 | else |
| 1478 | len = sprintf(buf, "%hu\n", idx); |
Mike Christie | fca9f04 | 2012-02-27 03:08:54 -0800 | [diff] [blame] | 1479 | break; |
| 1480 | default: |
| 1481 | return iscsi_session_get_param(cls_sess, param, buf); |
| 1482 | } |
| 1483 | |
| 1484 | return len; |
| 1485 | } |
| 1486 | |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 1487 | static int qla4xxx_conn_get_param(struct iscsi_cls_conn *cls_conn, |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 1488 | enum iscsi_param param, char *buf) |
| 1489 | { |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 1490 | struct iscsi_conn *conn; |
| 1491 | struct qla_conn *qla_conn; |
| 1492 | struct sockaddr *dst_addr; |
| 1493 | int len = 0; |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 1494 | |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 1495 | conn = cls_conn->dd_data; |
| 1496 | qla_conn = conn->dd_data; |
Manish Rangankar | d46bdeb1 | 2012-08-07 07:57:13 -0400 | [diff] [blame] | 1497 | dst_addr = (struct sockaddr *)&qla_conn->qla_ep->dst_addr; |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 1498 | |
| 1499 | switch (param) { |
| 1500 | case ISCSI_PARAM_CONN_PORT: |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 1501 | case ISCSI_PARAM_CONN_ADDRESS: |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 1502 | return iscsi_conn_get_addr_param((struct sockaddr_storage *) |
| 1503 | dst_addr, param, buf); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 1504 | default: |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 1505 | return iscsi_conn_get_param(cls_conn, param, buf); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 1506 | } |
| 1507 | |
| 1508 | return len; |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 1509 | |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 1510 | } |
| 1511 | |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 1512 | int qla4xxx_get_ddb_index(struct scsi_qla_host *ha, uint16_t *ddb_index) |
| 1513 | { |
| 1514 | uint32_t mbx_sts = 0; |
| 1515 | uint16_t tmp_ddb_index; |
| 1516 | int ret; |
| 1517 | |
| 1518 | get_ddb_index: |
| 1519 | tmp_ddb_index = find_first_zero_bit(ha->ddb_idx_map, MAX_DDB_ENTRIES); |
| 1520 | |
| 1521 | if (tmp_ddb_index >= MAX_DDB_ENTRIES) { |
| 1522 | DEBUG2(ql4_printk(KERN_INFO, ha, |
| 1523 | "Free DDB index not available\n")); |
| 1524 | ret = QLA_ERROR; |
| 1525 | goto exit_get_ddb_index; |
| 1526 | } |
| 1527 | |
| 1528 | if (test_and_set_bit(tmp_ddb_index, ha->ddb_idx_map)) |
| 1529 | goto get_ddb_index; |
| 1530 | |
| 1531 | DEBUG2(ql4_printk(KERN_INFO, ha, |
| 1532 | "Found a free DDB index at %d\n", tmp_ddb_index)); |
| 1533 | ret = qla4xxx_req_ddb_entry(ha, tmp_ddb_index, &mbx_sts); |
| 1534 | if (ret == QLA_ERROR) { |
| 1535 | if (mbx_sts == MBOX_STS_COMMAND_ERROR) { |
| 1536 | ql4_printk(KERN_INFO, ha, |
| 1537 | "DDB index = %d not available trying next\n", |
| 1538 | tmp_ddb_index); |
| 1539 | goto get_ddb_index; |
| 1540 | } |
| 1541 | DEBUG2(ql4_printk(KERN_INFO, ha, |
| 1542 | "Free FW DDB not available\n")); |
| 1543 | } |
| 1544 | |
| 1545 | *ddb_index = tmp_ddb_index; |
| 1546 | |
| 1547 | exit_get_ddb_index: |
| 1548 | return ret; |
| 1549 | } |
| 1550 | |
| 1551 | static int qla4xxx_match_ipaddress(struct scsi_qla_host *ha, |
| 1552 | struct ddb_entry *ddb_entry, |
| 1553 | char *existing_ipaddr, |
| 1554 | char *user_ipaddr) |
| 1555 | { |
| 1556 | uint8_t dst_ipaddr[IPv6_ADDR_LEN]; |
| 1557 | char formatted_ipaddr[DDB_IPADDR_LEN]; |
| 1558 | int status = QLA_SUCCESS, ret = 0; |
| 1559 | |
| 1560 | if (ddb_entry->fw_ddb_entry.options & DDB_OPT_IPV6_DEVICE) { |
| 1561 | ret = in6_pton(user_ipaddr, strlen(user_ipaddr), dst_ipaddr, |
| 1562 | '\0', NULL); |
| 1563 | if (ret == 0) { |
| 1564 | status = QLA_ERROR; |
| 1565 | goto out_match; |
| 1566 | } |
| 1567 | ret = sprintf(formatted_ipaddr, "%pI6", dst_ipaddr); |
| 1568 | } else { |
| 1569 | ret = in4_pton(user_ipaddr, strlen(user_ipaddr), dst_ipaddr, |
| 1570 | '\0', NULL); |
| 1571 | if (ret == 0) { |
| 1572 | status = QLA_ERROR; |
| 1573 | goto out_match; |
| 1574 | } |
| 1575 | ret = sprintf(formatted_ipaddr, "%pI4", dst_ipaddr); |
| 1576 | } |
| 1577 | |
| 1578 | if (strcmp(existing_ipaddr, formatted_ipaddr)) |
| 1579 | status = QLA_ERROR; |
| 1580 | |
| 1581 | out_match: |
| 1582 | return status; |
| 1583 | } |
| 1584 | |
| 1585 | static int qla4xxx_match_fwdb_session(struct scsi_qla_host *ha, |
| 1586 | struct iscsi_cls_conn *cls_conn) |
| 1587 | { |
| 1588 | int idx = 0, max_ddbs, rval; |
| 1589 | struct iscsi_cls_session *cls_sess = iscsi_conn_to_session(cls_conn); |
| 1590 | struct iscsi_session *sess, *existing_sess; |
| 1591 | struct iscsi_conn *conn, *existing_conn; |
| 1592 | struct ddb_entry *ddb_entry; |
| 1593 | |
| 1594 | sess = cls_sess->dd_data; |
| 1595 | conn = cls_conn->dd_data; |
| 1596 | |
| 1597 | if (sess->targetname == NULL || |
| 1598 | conn->persistent_address == NULL || |
| 1599 | conn->persistent_port == 0) |
| 1600 | return QLA_ERROR; |
| 1601 | |
| 1602 | max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX : |
| 1603 | MAX_DEV_DB_ENTRIES; |
| 1604 | |
| 1605 | for (idx = 0; idx < max_ddbs; idx++) { |
| 1606 | ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, idx); |
| 1607 | if (ddb_entry == NULL) |
| 1608 | continue; |
| 1609 | |
| 1610 | if (ddb_entry->ddb_type != FLASH_DDB) |
| 1611 | continue; |
| 1612 | |
| 1613 | existing_sess = ddb_entry->sess->dd_data; |
| 1614 | existing_conn = ddb_entry->conn->dd_data; |
| 1615 | |
| 1616 | if (existing_sess->targetname == NULL || |
| 1617 | existing_conn->persistent_address == NULL || |
| 1618 | existing_conn->persistent_port == 0) |
| 1619 | continue; |
| 1620 | |
| 1621 | DEBUG2(ql4_printk(KERN_INFO, ha, |
| 1622 | "IQN = %s User IQN = %s\n", |
| 1623 | existing_sess->targetname, |
| 1624 | sess->targetname)); |
| 1625 | |
| 1626 | DEBUG2(ql4_printk(KERN_INFO, ha, |
| 1627 | "IP = %s User IP = %s\n", |
| 1628 | existing_conn->persistent_address, |
| 1629 | conn->persistent_address)); |
| 1630 | |
| 1631 | DEBUG2(ql4_printk(KERN_INFO, ha, |
| 1632 | "Port = %d User Port = %d\n", |
| 1633 | existing_conn->persistent_port, |
| 1634 | conn->persistent_port)); |
| 1635 | |
| 1636 | if (strcmp(existing_sess->targetname, sess->targetname)) |
| 1637 | continue; |
| 1638 | rval = qla4xxx_match_ipaddress(ha, ddb_entry, |
| 1639 | existing_conn->persistent_address, |
| 1640 | conn->persistent_address); |
| 1641 | if (rval == QLA_ERROR) |
| 1642 | continue; |
| 1643 | if (existing_conn->persistent_port != conn->persistent_port) |
| 1644 | continue; |
| 1645 | break; |
| 1646 | } |
| 1647 | |
| 1648 | if (idx == max_ddbs) |
| 1649 | return QLA_ERROR; |
| 1650 | |
| 1651 | DEBUG2(ql4_printk(KERN_INFO, ha, |
| 1652 | "Match found in fwdb sessions\n")); |
| 1653 | return QLA_SUCCESS; |
| 1654 | } |
| 1655 | |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 1656 | static struct iscsi_cls_session * |
| 1657 | qla4xxx_session_create(struct iscsi_endpoint *ep, |
| 1658 | uint16_t cmds_max, uint16_t qdepth, |
| 1659 | uint32_t initial_cmdsn) |
| 1660 | { |
| 1661 | struct iscsi_cls_session *cls_sess; |
| 1662 | struct scsi_qla_host *ha; |
| 1663 | struct qla_endpoint *qla_ep; |
| 1664 | struct ddb_entry *ddb_entry; |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 1665 | uint16_t ddb_index; |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 1666 | struct iscsi_session *sess; |
| 1667 | struct sockaddr *dst_addr; |
| 1668 | int ret; |
| 1669 | |
| 1670 | DEBUG2(printk(KERN_INFO "Func: %s\n", __func__)); |
| 1671 | if (!ep) { |
| 1672 | printk(KERN_ERR "qla4xxx: missing ep.\n"); |
| 1673 | return NULL; |
| 1674 | } |
| 1675 | |
| 1676 | qla_ep = ep->dd_data; |
| 1677 | dst_addr = (struct sockaddr *)&qla_ep->dst_addr; |
| 1678 | ha = to_qla_host(qla_ep->host); |
Manish Rangankar | 736cf36 | 2011-10-07 16:55:46 -0700 | [diff] [blame] | 1679 | |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 1680 | ret = qla4xxx_get_ddb_index(ha, &ddb_index); |
| 1681 | if (ret == QLA_ERROR) |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 1682 | return NULL; |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 1683 | |
| 1684 | cls_sess = iscsi_session_setup(&qla4xxx_iscsi_transport, qla_ep->host, |
| 1685 | cmds_max, sizeof(struct ddb_entry), |
| 1686 | sizeof(struct ql4_task_data), |
| 1687 | initial_cmdsn, ddb_index); |
| 1688 | if (!cls_sess) |
| 1689 | return NULL; |
| 1690 | |
| 1691 | sess = cls_sess->dd_data; |
| 1692 | ddb_entry = sess->dd_data; |
| 1693 | ddb_entry->fw_ddb_index = ddb_index; |
| 1694 | ddb_entry->fw_ddb_device_state = DDB_DS_NO_CONNECTION_ACTIVE; |
| 1695 | ddb_entry->ha = ha; |
| 1696 | ddb_entry->sess = cls_sess; |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 1697 | ddb_entry->unblock_sess = qla4xxx_unblock_ddb; |
| 1698 | ddb_entry->ddb_change = qla4xxx_ddb_change; |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 1699 | cls_sess->recovery_tmo = ql4xsess_recovery_tmo; |
| 1700 | ha->fw_ddb_index_map[ddb_entry->fw_ddb_index] = ddb_entry; |
| 1701 | ha->tot_ddbs++; |
| 1702 | |
| 1703 | return cls_sess; |
| 1704 | } |
| 1705 | |
| 1706 | static void qla4xxx_session_destroy(struct iscsi_cls_session *cls_sess) |
| 1707 | { |
| 1708 | struct iscsi_session *sess; |
| 1709 | struct ddb_entry *ddb_entry; |
| 1710 | struct scsi_qla_host *ha; |
Manish Rangankar | 90599b6 | 2012-04-23 22:32:34 -0700 | [diff] [blame] | 1711 | unsigned long flags, wtime; |
| 1712 | struct dev_db_entry *fw_ddb_entry = NULL; |
| 1713 | dma_addr_t fw_ddb_entry_dma; |
| 1714 | uint32_t ddb_state; |
| 1715 | int ret; |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 1716 | |
| 1717 | DEBUG2(printk(KERN_INFO "Func: %s\n", __func__)); |
| 1718 | sess = cls_sess->dd_data; |
| 1719 | ddb_entry = sess->dd_data; |
| 1720 | ha = ddb_entry->ha; |
| 1721 | |
Manish Rangankar | 90599b6 | 2012-04-23 22:32:34 -0700 | [diff] [blame] | 1722 | fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), |
| 1723 | &fw_ddb_entry_dma, GFP_KERNEL); |
| 1724 | if (!fw_ddb_entry) { |
| 1725 | ql4_printk(KERN_ERR, ha, |
| 1726 | "%s: Unable to allocate dma buffer\n", __func__); |
| 1727 | goto destroy_session; |
| 1728 | } |
| 1729 | |
| 1730 | wtime = jiffies + (HZ * LOGOUT_TOV); |
| 1731 | do { |
| 1732 | ret = qla4xxx_get_fwddb_entry(ha, ddb_entry->fw_ddb_index, |
| 1733 | fw_ddb_entry, fw_ddb_entry_dma, |
| 1734 | NULL, NULL, &ddb_state, NULL, |
| 1735 | NULL, NULL); |
| 1736 | if (ret == QLA_ERROR) |
| 1737 | goto destroy_session; |
| 1738 | |
| 1739 | if ((ddb_state == DDB_DS_NO_CONNECTION_ACTIVE) || |
| 1740 | (ddb_state == DDB_DS_SESSION_FAILED)) |
| 1741 | goto destroy_session; |
| 1742 | |
| 1743 | schedule_timeout_uninterruptible(HZ); |
| 1744 | } while ((time_after(wtime, jiffies))); |
| 1745 | |
| 1746 | destroy_session: |
Manish Rangankar | 736cf36 | 2011-10-07 16:55:46 -0700 | [diff] [blame] | 1747 | qla4xxx_clear_ddb_entry(ha, ddb_entry->fw_ddb_index); |
| 1748 | |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 1749 | spin_lock_irqsave(&ha->hardware_lock, flags); |
| 1750 | qla4xxx_free_ddb(ha, ddb_entry); |
| 1751 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
Manish Rangankar | 90599b6 | 2012-04-23 22:32:34 -0700 | [diff] [blame] | 1752 | |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 1753 | iscsi_session_teardown(cls_sess); |
Manish Rangankar | 90599b6 | 2012-04-23 22:32:34 -0700 | [diff] [blame] | 1754 | |
| 1755 | if (fw_ddb_entry) |
| 1756 | dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), |
| 1757 | fw_ddb_entry, fw_ddb_entry_dma); |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 1758 | } |
| 1759 | |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 1760 | static struct iscsi_cls_conn * |
| 1761 | qla4xxx_conn_create(struct iscsi_cls_session *cls_sess, uint32_t conn_idx) |
| 1762 | { |
| 1763 | struct iscsi_cls_conn *cls_conn; |
| 1764 | struct iscsi_session *sess; |
| 1765 | struct ddb_entry *ddb_entry; |
| 1766 | |
| 1767 | DEBUG2(printk(KERN_INFO "Func: %s\n", __func__)); |
| 1768 | cls_conn = iscsi_conn_setup(cls_sess, sizeof(struct qla_conn), |
| 1769 | conn_idx); |
Mike Christie | ff1d031 | 2011-12-01 21:38:43 -0600 | [diff] [blame] | 1770 | if (!cls_conn) |
| 1771 | return NULL; |
| 1772 | |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 1773 | sess = cls_sess->dd_data; |
| 1774 | ddb_entry = sess->dd_data; |
| 1775 | ddb_entry->conn = cls_conn; |
| 1776 | |
| 1777 | return cls_conn; |
| 1778 | } |
| 1779 | |
| 1780 | static int qla4xxx_conn_bind(struct iscsi_cls_session *cls_session, |
| 1781 | struct iscsi_cls_conn *cls_conn, |
| 1782 | uint64_t transport_fd, int is_leading) |
| 1783 | { |
| 1784 | struct iscsi_conn *conn; |
| 1785 | struct qla_conn *qla_conn; |
| 1786 | struct iscsi_endpoint *ep; |
| 1787 | |
| 1788 | DEBUG2(printk(KERN_INFO "Func: %s\n", __func__)); |
| 1789 | |
| 1790 | if (iscsi_conn_bind(cls_session, cls_conn, is_leading)) |
| 1791 | return -EINVAL; |
| 1792 | ep = iscsi_lookup_endpoint(transport_fd); |
| 1793 | conn = cls_conn->dd_data; |
| 1794 | qla_conn = conn->dd_data; |
| 1795 | qla_conn->qla_ep = ep->dd_data; |
| 1796 | return 0; |
| 1797 | } |
| 1798 | |
| 1799 | static int qla4xxx_conn_start(struct iscsi_cls_conn *cls_conn) |
| 1800 | { |
| 1801 | struct iscsi_cls_session *cls_sess = iscsi_conn_to_session(cls_conn); |
| 1802 | struct iscsi_session *sess; |
| 1803 | struct ddb_entry *ddb_entry; |
| 1804 | struct scsi_qla_host *ha; |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 1805 | struct dev_db_entry *fw_ddb_entry = NULL; |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 1806 | dma_addr_t fw_ddb_entry_dma; |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 1807 | uint32_t mbx_sts = 0; |
| 1808 | int ret = 0; |
| 1809 | int status = QLA_SUCCESS; |
| 1810 | |
| 1811 | DEBUG2(printk(KERN_INFO "Func: %s\n", __func__)); |
| 1812 | sess = cls_sess->dd_data; |
| 1813 | ddb_entry = sess->dd_data; |
| 1814 | ha = ddb_entry->ha; |
| 1815 | |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 1816 | /* Check if we have matching FW DDB, if yes then do not |
| 1817 | * login to this target. This could cause target to logout previous |
| 1818 | * connection |
| 1819 | */ |
| 1820 | ret = qla4xxx_match_fwdb_session(ha, cls_conn); |
| 1821 | if (ret == QLA_SUCCESS) { |
| 1822 | ql4_printk(KERN_INFO, ha, |
| 1823 | "Session already exist in FW.\n"); |
| 1824 | ret = -EEXIST; |
| 1825 | goto exit_conn_start; |
| 1826 | } |
| 1827 | |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 1828 | fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), |
| 1829 | &fw_ddb_entry_dma, GFP_KERNEL); |
| 1830 | if (!fw_ddb_entry) { |
| 1831 | ql4_printk(KERN_ERR, ha, |
| 1832 | "%s: Unable to allocate dma buffer\n", __func__); |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 1833 | ret = -ENOMEM; |
| 1834 | goto exit_conn_start; |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 1835 | } |
| 1836 | |
| 1837 | ret = qla4xxx_set_param_ddbentry(ha, ddb_entry, cls_conn, &mbx_sts); |
| 1838 | if (ret) { |
| 1839 | /* If iscsid is stopped and started then no need to do |
| 1840 | * set param again since ddb state will be already |
| 1841 | * active and FW does not allow set ddb to an |
| 1842 | * active session. |
| 1843 | */ |
| 1844 | if (mbx_sts) |
| 1845 | if (ddb_entry->fw_ddb_device_state == |
Manish Rangankar | f922da7 | 2011-10-07 16:55:49 -0700 | [diff] [blame] | 1846 | DDB_DS_SESSION_ACTIVE) { |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 1847 | ddb_entry->unblock_sess(ddb_entry->sess); |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 1848 | goto exit_set_param; |
Manish Rangankar | f922da7 | 2011-10-07 16:55:49 -0700 | [diff] [blame] | 1849 | } |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 1850 | |
| 1851 | ql4_printk(KERN_ERR, ha, "%s: Failed set param for index[%d]\n", |
| 1852 | __func__, ddb_entry->fw_ddb_index); |
| 1853 | goto exit_conn_start; |
| 1854 | } |
| 1855 | |
| 1856 | status = qla4xxx_conn_open(ha, ddb_entry->fw_ddb_index); |
| 1857 | if (status == QLA_ERROR) { |
Manish Rangankar | 0e7e850 | 2011-07-25 13:48:54 -0500 | [diff] [blame] | 1858 | ql4_printk(KERN_ERR, ha, "%s: Login failed: %s\n", __func__, |
| 1859 | sess->targetname); |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 1860 | ret = -EINVAL; |
| 1861 | goto exit_conn_start; |
| 1862 | } |
| 1863 | |
Manish Rangankar | 98270ab | 2011-10-07 16:55:47 -0700 | [diff] [blame] | 1864 | if (ddb_entry->fw_ddb_device_state == DDB_DS_NO_CONNECTION_ACTIVE) |
| 1865 | ddb_entry->fw_ddb_device_state = DDB_DS_LOGIN_IN_PROCESS; |
| 1866 | |
| 1867 | DEBUG2(printk(KERN_INFO "%s: DDB state [%d]\n", __func__, |
| 1868 | ddb_entry->fw_ddb_device_state)); |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 1869 | |
| 1870 | exit_set_param: |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 1871 | ret = 0; |
| 1872 | |
| 1873 | exit_conn_start: |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 1874 | if (fw_ddb_entry) |
| 1875 | dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), |
| 1876 | fw_ddb_entry, fw_ddb_entry_dma); |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 1877 | return ret; |
| 1878 | } |
| 1879 | |
| 1880 | static void qla4xxx_conn_destroy(struct iscsi_cls_conn *cls_conn) |
| 1881 | { |
| 1882 | struct iscsi_cls_session *cls_sess = iscsi_conn_to_session(cls_conn); |
| 1883 | struct iscsi_session *sess; |
| 1884 | struct scsi_qla_host *ha; |
| 1885 | struct ddb_entry *ddb_entry; |
| 1886 | int options; |
| 1887 | |
| 1888 | DEBUG2(printk(KERN_INFO "Func: %s\n", __func__)); |
| 1889 | sess = cls_sess->dd_data; |
| 1890 | ddb_entry = sess->dd_data; |
| 1891 | ha = ddb_entry->ha; |
| 1892 | |
| 1893 | options = LOGOUT_OPTION_CLOSE_SESSION; |
| 1894 | if (qla4xxx_session_logout_ddb(ha, ddb_entry, options) == QLA_ERROR) |
| 1895 | ql4_printk(KERN_ERR, ha, "%s: Logout failed\n", __func__); |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 1896 | } |
| 1897 | |
| 1898 | static void qla4xxx_task_work(struct work_struct *wdata) |
| 1899 | { |
| 1900 | struct ql4_task_data *task_data; |
| 1901 | struct scsi_qla_host *ha; |
| 1902 | struct passthru_status *sts; |
| 1903 | struct iscsi_task *task; |
| 1904 | struct iscsi_hdr *hdr; |
| 1905 | uint8_t *data; |
| 1906 | uint32_t data_len; |
| 1907 | struct iscsi_conn *conn; |
| 1908 | int hdr_len; |
| 1909 | itt_t itt; |
| 1910 | |
| 1911 | task_data = container_of(wdata, struct ql4_task_data, task_work); |
| 1912 | ha = task_data->ha; |
| 1913 | task = task_data->task; |
| 1914 | sts = &task_data->sts; |
| 1915 | hdr_len = sizeof(struct iscsi_hdr); |
| 1916 | |
| 1917 | DEBUG3(printk(KERN_INFO "Status returned\n")); |
| 1918 | DEBUG3(qla4xxx_dump_buffer(sts, 64)); |
| 1919 | DEBUG3(printk(KERN_INFO "Response buffer")); |
| 1920 | DEBUG3(qla4xxx_dump_buffer(task_data->resp_buffer, 64)); |
| 1921 | |
| 1922 | conn = task->conn; |
| 1923 | |
| 1924 | switch (sts->completionStatus) { |
| 1925 | case PASSTHRU_STATUS_COMPLETE: |
| 1926 | hdr = (struct iscsi_hdr *)task_data->resp_buffer; |
| 1927 | /* Assign back the itt in hdr, until we use the PREASSIGN_TAG */ |
| 1928 | itt = sts->handle; |
| 1929 | hdr->itt = itt; |
| 1930 | data = task_data->resp_buffer + hdr_len; |
| 1931 | data_len = task_data->resp_len - hdr_len; |
| 1932 | iscsi_complete_pdu(conn, hdr, data, data_len); |
| 1933 | break; |
| 1934 | default: |
| 1935 | ql4_printk(KERN_ERR, ha, "Passthru failed status = 0x%x\n", |
| 1936 | sts->completionStatus); |
| 1937 | break; |
| 1938 | } |
| 1939 | return; |
| 1940 | } |
| 1941 | |
| 1942 | static int qla4xxx_alloc_pdu(struct iscsi_task *task, uint8_t opcode) |
| 1943 | { |
| 1944 | struct ql4_task_data *task_data; |
| 1945 | struct iscsi_session *sess; |
| 1946 | struct ddb_entry *ddb_entry; |
| 1947 | struct scsi_qla_host *ha; |
| 1948 | int hdr_len; |
| 1949 | |
| 1950 | sess = task->conn->session; |
| 1951 | ddb_entry = sess->dd_data; |
| 1952 | ha = ddb_entry->ha; |
| 1953 | task_data = task->dd_data; |
| 1954 | memset(task_data, 0, sizeof(struct ql4_task_data)); |
| 1955 | |
| 1956 | if (task->sc) { |
| 1957 | ql4_printk(KERN_INFO, ha, |
| 1958 | "%s: SCSI Commands not implemented\n", __func__); |
| 1959 | return -EINVAL; |
| 1960 | } |
| 1961 | |
| 1962 | hdr_len = sizeof(struct iscsi_hdr); |
| 1963 | task_data->ha = ha; |
| 1964 | task_data->task = task; |
| 1965 | |
| 1966 | if (task->data_count) { |
| 1967 | task_data->data_dma = dma_map_single(&ha->pdev->dev, task->data, |
| 1968 | task->data_count, |
| 1969 | PCI_DMA_TODEVICE); |
| 1970 | } |
| 1971 | |
| 1972 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: MaxRecvLen %u, iscsi hrd %d\n", |
| 1973 | __func__, task->conn->max_recv_dlength, hdr_len)); |
| 1974 | |
Manish Rangankar | 69ca216 | 2011-10-07 16:55:50 -0700 | [diff] [blame] | 1975 | task_data->resp_len = task->conn->max_recv_dlength + hdr_len; |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 1976 | task_data->resp_buffer = dma_alloc_coherent(&ha->pdev->dev, |
| 1977 | task_data->resp_len, |
| 1978 | &task_data->resp_dma, |
| 1979 | GFP_ATOMIC); |
| 1980 | if (!task_data->resp_buffer) |
| 1981 | goto exit_alloc_pdu; |
| 1982 | |
Manish Rangankar | 69ca216 | 2011-10-07 16:55:50 -0700 | [diff] [blame] | 1983 | task_data->req_len = task->data_count + hdr_len; |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 1984 | task_data->req_buffer = dma_alloc_coherent(&ha->pdev->dev, |
Manish Rangankar | 69ca216 | 2011-10-07 16:55:50 -0700 | [diff] [blame] | 1985 | task_data->req_len, |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 1986 | &task_data->req_dma, |
| 1987 | GFP_ATOMIC); |
| 1988 | if (!task_data->req_buffer) |
| 1989 | goto exit_alloc_pdu; |
| 1990 | |
| 1991 | task->hdr = task_data->req_buffer; |
| 1992 | |
| 1993 | INIT_WORK(&task_data->task_work, qla4xxx_task_work); |
| 1994 | |
| 1995 | return 0; |
| 1996 | |
| 1997 | exit_alloc_pdu: |
| 1998 | if (task_data->resp_buffer) |
| 1999 | dma_free_coherent(&ha->pdev->dev, task_data->resp_len, |
| 2000 | task_data->resp_buffer, task_data->resp_dma); |
| 2001 | |
| 2002 | if (task_data->req_buffer) |
Manish Rangankar | 69ca216 | 2011-10-07 16:55:50 -0700 | [diff] [blame] | 2003 | dma_free_coherent(&ha->pdev->dev, task_data->req_len, |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 2004 | task_data->req_buffer, task_data->req_dma); |
| 2005 | return -ENOMEM; |
| 2006 | } |
| 2007 | |
| 2008 | static void qla4xxx_task_cleanup(struct iscsi_task *task) |
| 2009 | { |
| 2010 | struct ql4_task_data *task_data; |
| 2011 | struct iscsi_session *sess; |
| 2012 | struct ddb_entry *ddb_entry; |
| 2013 | struct scsi_qla_host *ha; |
| 2014 | int hdr_len; |
| 2015 | |
| 2016 | hdr_len = sizeof(struct iscsi_hdr); |
| 2017 | sess = task->conn->session; |
| 2018 | ddb_entry = sess->dd_data; |
| 2019 | ha = ddb_entry->ha; |
| 2020 | task_data = task->dd_data; |
| 2021 | |
| 2022 | if (task->data_count) { |
| 2023 | dma_unmap_single(&ha->pdev->dev, task_data->data_dma, |
| 2024 | task->data_count, PCI_DMA_TODEVICE); |
| 2025 | } |
| 2026 | |
| 2027 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: MaxRecvLen %u, iscsi hrd %d\n", |
| 2028 | __func__, task->conn->max_recv_dlength, hdr_len)); |
| 2029 | |
| 2030 | dma_free_coherent(&ha->pdev->dev, task_data->resp_len, |
| 2031 | task_data->resp_buffer, task_data->resp_dma); |
Manish Rangankar | 69ca216 | 2011-10-07 16:55:50 -0700 | [diff] [blame] | 2032 | dma_free_coherent(&ha->pdev->dev, task_data->req_len, |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 2033 | task_data->req_buffer, task_data->req_dma); |
| 2034 | return; |
| 2035 | } |
| 2036 | |
| 2037 | static int qla4xxx_task_xmit(struct iscsi_task *task) |
| 2038 | { |
| 2039 | struct scsi_cmnd *sc = task->sc; |
| 2040 | struct iscsi_session *sess = task->conn->session; |
| 2041 | struct ddb_entry *ddb_entry = sess->dd_data; |
| 2042 | struct scsi_qla_host *ha = ddb_entry->ha; |
| 2043 | |
| 2044 | if (!sc) |
| 2045 | return qla4xxx_send_passthru0(task); |
| 2046 | |
| 2047 | ql4_printk(KERN_INFO, ha, "%s: scsi cmd xmit not implemented\n", |
| 2048 | __func__); |
| 2049 | return -ENOSYS; |
| 2050 | } |
| 2051 | |
Adheer Chandravanshi | 1e9e2be | 2013-03-22 07:41:31 -0400 | [diff] [blame] | 2052 | static int qla4xxx_copy_from_fwddb_param(struct iscsi_bus_flash_session *sess, |
| 2053 | struct iscsi_bus_flash_conn *conn, |
| 2054 | struct dev_db_entry *fw_ddb_entry) |
| 2055 | { |
| 2056 | unsigned long options = 0; |
| 2057 | int rc = 0; |
| 2058 | |
| 2059 | options = le16_to_cpu(fw_ddb_entry->options); |
| 2060 | conn->is_fw_assigned_ipv6 = test_bit(OPT_IS_FW_ASSIGNED_IPV6, &options); |
| 2061 | if (test_bit(OPT_IPV6_DEVICE, &options)) { |
Adheer Chandravanshi | c962c18 | 2013-03-25 08:08:32 -0400 | [diff] [blame] | 2062 | rc = iscsi_switch_str_param(&sess->portal_type, |
| 2063 | PORTAL_TYPE_IPV6); |
Adheer Chandravanshi | 1e9e2be | 2013-03-22 07:41:31 -0400 | [diff] [blame] | 2064 | if (rc) |
| 2065 | goto exit_copy; |
| 2066 | } else { |
Adheer Chandravanshi | c962c18 | 2013-03-25 08:08:32 -0400 | [diff] [blame] | 2067 | rc = iscsi_switch_str_param(&sess->portal_type, |
| 2068 | PORTAL_TYPE_IPV4); |
Adheer Chandravanshi | 1e9e2be | 2013-03-22 07:41:31 -0400 | [diff] [blame] | 2069 | if (rc) |
| 2070 | goto exit_copy; |
| 2071 | } |
| 2072 | |
| 2073 | sess->auto_snd_tgt_disable = test_bit(OPT_AUTO_SENDTGTS_DISABLE, |
| 2074 | &options); |
| 2075 | sess->discovery_sess = test_bit(OPT_DISC_SESSION, &options); |
| 2076 | sess->entry_state = test_bit(OPT_ENTRY_STATE, &options); |
| 2077 | |
| 2078 | options = le16_to_cpu(fw_ddb_entry->iscsi_options); |
| 2079 | conn->hdrdgst_en = test_bit(ISCSIOPT_HEADER_DIGEST_EN, &options); |
| 2080 | conn->datadgst_en = test_bit(ISCSIOPT_DATA_DIGEST_EN, &options); |
| 2081 | sess->imm_data_en = test_bit(ISCSIOPT_IMMEDIATE_DATA_EN, &options); |
| 2082 | sess->initial_r2t_en = test_bit(ISCSIOPT_INITIAL_R2T_EN, &options); |
| 2083 | sess->dataseq_inorder_en = test_bit(ISCSIOPT_DATA_SEQ_IN_ORDER, |
| 2084 | &options); |
| 2085 | sess->pdu_inorder_en = test_bit(ISCSIOPT_DATA_PDU_IN_ORDER, &options); |
| 2086 | sess->chap_auth_en = test_bit(ISCSIOPT_CHAP_AUTH_EN, &options); |
| 2087 | conn->snack_req_en = test_bit(ISCSIOPT_SNACK_REQ_EN, &options); |
| 2088 | sess->discovery_logout_en = test_bit(ISCSIOPT_DISCOVERY_LOGOUT_EN, |
| 2089 | &options); |
| 2090 | sess->bidi_chap_en = test_bit(ISCSIOPT_BIDI_CHAP_EN, &options); |
| 2091 | sess->discovery_auth_optional = |
| 2092 | test_bit(ISCSIOPT_DISCOVERY_AUTH_OPTIONAL, &options); |
| 2093 | if (test_bit(ISCSIOPT_ERL1, &options)) |
| 2094 | sess->erl |= BIT_1; |
| 2095 | if (test_bit(ISCSIOPT_ERL0, &options)) |
| 2096 | sess->erl |= BIT_0; |
| 2097 | |
| 2098 | options = le16_to_cpu(fw_ddb_entry->tcp_options); |
| 2099 | conn->tcp_timestamp_stat = test_bit(TCPOPT_TIMESTAMP_STAT, &options); |
| 2100 | conn->tcp_nagle_disable = test_bit(TCPOPT_NAGLE_DISABLE, &options); |
| 2101 | conn->tcp_wsf_disable = test_bit(TCPOPT_WSF_DISABLE, &options); |
| 2102 | if (test_bit(TCPOPT_TIMER_SCALE3, &options)) |
| 2103 | conn->tcp_timer_scale |= BIT_3; |
| 2104 | if (test_bit(TCPOPT_TIMER_SCALE2, &options)) |
| 2105 | conn->tcp_timer_scale |= BIT_2; |
| 2106 | if (test_bit(TCPOPT_TIMER_SCALE1, &options)) |
| 2107 | conn->tcp_timer_scale |= BIT_1; |
| 2108 | |
| 2109 | conn->tcp_timer_scale >>= 1; |
| 2110 | conn->tcp_timestamp_en = test_bit(TCPOPT_TIMESTAMP_EN, &options); |
| 2111 | |
| 2112 | options = le16_to_cpu(fw_ddb_entry->ip_options); |
| 2113 | conn->fragment_disable = test_bit(IPOPT_FRAGMENT_DISABLE, &options); |
| 2114 | |
| 2115 | conn->max_recv_dlength = BYTE_UNITS * |
| 2116 | le16_to_cpu(fw_ddb_entry->iscsi_max_rcv_data_seg_len); |
| 2117 | conn->max_xmit_dlength = BYTE_UNITS * |
| 2118 | le16_to_cpu(fw_ddb_entry->iscsi_max_snd_data_seg_len); |
| 2119 | sess->first_burst = BYTE_UNITS * |
| 2120 | le16_to_cpu(fw_ddb_entry->iscsi_first_burst_len); |
| 2121 | sess->max_burst = BYTE_UNITS * |
| 2122 | le16_to_cpu(fw_ddb_entry->iscsi_max_burst_len); |
| 2123 | sess->max_r2t = le16_to_cpu(fw_ddb_entry->iscsi_max_outsnd_r2t); |
| 2124 | sess->time2wait = le16_to_cpu(fw_ddb_entry->iscsi_def_time2wait); |
| 2125 | sess->time2retain = le16_to_cpu(fw_ddb_entry->iscsi_def_time2retain); |
| 2126 | sess->tpgt = le32_to_cpu(fw_ddb_entry->tgt_portal_grp); |
| 2127 | conn->max_segment_size = le16_to_cpu(fw_ddb_entry->mss); |
| 2128 | conn->tcp_xmit_wsf = fw_ddb_entry->tcp_xmt_wsf; |
| 2129 | conn->tcp_recv_wsf = fw_ddb_entry->tcp_rcv_wsf; |
| 2130 | conn->ipv6_flow_label = le16_to_cpu(fw_ddb_entry->ipv6_flow_lbl); |
| 2131 | conn->keepalive_timeout = le16_to_cpu(fw_ddb_entry->ka_timeout); |
| 2132 | conn->local_port = le16_to_cpu(fw_ddb_entry->lcl_port); |
| 2133 | conn->statsn = le32_to_cpu(fw_ddb_entry->stat_sn); |
| 2134 | conn->exp_statsn = le32_to_cpu(fw_ddb_entry->exp_stat_sn); |
| 2135 | sess->discovery_parent_idx = le16_to_cpu(fw_ddb_entry->ddb_link); |
| 2136 | sess->discovery_parent_type = le16_to_cpu(fw_ddb_entry->ddb_link); |
| 2137 | sess->chap_out_idx = le16_to_cpu(fw_ddb_entry->chap_tbl_idx); |
| 2138 | sess->tsid = le16_to_cpu(fw_ddb_entry->tsid); |
| 2139 | |
| 2140 | sess->default_taskmgmt_timeout = |
| 2141 | le16_to_cpu(fw_ddb_entry->def_timeout); |
| 2142 | conn->port = le16_to_cpu(fw_ddb_entry->port); |
| 2143 | |
| 2144 | options = le16_to_cpu(fw_ddb_entry->options); |
| 2145 | conn->ipaddress = kzalloc(IPv6_ADDR_LEN, GFP_KERNEL); |
| 2146 | if (!conn->ipaddress) { |
| 2147 | rc = -ENOMEM; |
| 2148 | goto exit_copy; |
| 2149 | } |
| 2150 | |
| 2151 | conn->redirect_ipaddr = kzalloc(IPv6_ADDR_LEN, GFP_KERNEL); |
| 2152 | if (!conn->redirect_ipaddr) { |
| 2153 | rc = -ENOMEM; |
| 2154 | goto exit_copy; |
| 2155 | } |
| 2156 | |
| 2157 | memcpy(conn->ipaddress, fw_ddb_entry->ip_addr, IPv6_ADDR_LEN); |
| 2158 | memcpy(conn->redirect_ipaddr, fw_ddb_entry->tgt_addr, IPv6_ADDR_LEN); |
| 2159 | |
| 2160 | if (test_bit(OPT_IPV6_DEVICE, &options)) { |
| 2161 | conn->ipv6_traffic_class = fw_ddb_entry->ipv4_tos; |
| 2162 | |
| 2163 | conn->link_local_ipv6_addr = kzalloc(IPv6_ADDR_LEN, GFP_KERNEL); |
| 2164 | if (!conn->link_local_ipv6_addr) { |
| 2165 | rc = -ENOMEM; |
| 2166 | goto exit_copy; |
| 2167 | } |
| 2168 | |
| 2169 | memcpy(conn->link_local_ipv6_addr, |
| 2170 | fw_ddb_entry->link_local_ipv6_addr, IPv6_ADDR_LEN); |
| 2171 | } else { |
| 2172 | conn->ipv4_tos = fw_ddb_entry->ipv4_tos; |
| 2173 | } |
| 2174 | |
| 2175 | if (fw_ddb_entry->iscsi_name[0]) { |
| 2176 | rc = iscsi_switch_str_param(&sess->targetname, |
| 2177 | (char *)fw_ddb_entry->iscsi_name); |
| 2178 | if (rc) |
| 2179 | goto exit_copy; |
| 2180 | } |
| 2181 | |
| 2182 | if (fw_ddb_entry->iscsi_alias[0]) { |
| 2183 | rc = iscsi_switch_str_param(&sess->targetalias, |
| 2184 | (char *)fw_ddb_entry->iscsi_alias); |
| 2185 | if (rc) |
| 2186 | goto exit_copy; |
| 2187 | } |
| 2188 | |
| 2189 | COPY_ISID(sess->isid, fw_ddb_entry->isid); |
| 2190 | |
| 2191 | exit_copy: |
| 2192 | return rc; |
| 2193 | } |
| 2194 | |
| 2195 | static int qla4xxx_copy_to_fwddb_param(struct iscsi_bus_flash_session *sess, |
| 2196 | struct iscsi_bus_flash_conn *conn, |
| 2197 | struct dev_db_entry *fw_ddb_entry) |
| 2198 | { |
| 2199 | uint16_t options; |
| 2200 | int rc = 0; |
| 2201 | |
| 2202 | options = le16_to_cpu(fw_ddb_entry->options); |
| 2203 | SET_BITVAL(conn->is_fw_assigned_ipv6, options, BIT_11); |
Adheer Chandravanshi | c962c18 | 2013-03-25 08:08:32 -0400 | [diff] [blame] | 2204 | if (!strncmp(sess->portal_type, PORTAL_TYPE_IPV6, 4)) |
Adheer Chandravanshi | 1e9e2be | 2013-03-22 07:41:31 -0400 | [diff] [blame] | 2205 | options |= BIT_8; |
| 2206 | else |
| 2207 | options &= ~BIT_8; |
| 2208 | |
| 2209 | SET_BITVAL(sess->auto_snd_tgt_disable, options, BIT_6); |
| 2210 | SET_BITVAL(sess->discovery_sess, options, BIT_4); |
| 2211 | SET_BITVAL(sess->entry_state, options, BIT_3); |
| 2212 | fw_ddb_entry->options = cpu_to_le16(options); |
| 2213 | |
| 2214 | options = le16_to_cpu(fw_ddb_entry->iscsi_options); |
| 2215 | SET_BITVAL(conn->hdrdgst_en, options, BIT_13); |
| 2216 | SET_BITVAL(conn->datadgst_en, options, BIT_12); |
| 2217 | SET_BITVAL(sess->imm_data_en, options, BIT_11); |
| 2218 | SET_BITVAL(sess->initial_r2t_en, options, BIT_10); |
| 2219 | SET_BITVAL(sess->dataseq_inorder_en, options, BIT_9); |
| 2220 | SET_BITVAL(sess->pdu_inorder_en, options, BIT_8); |
| 2221 | SET_BITVAL(sess->chap_auth_en, options, BIT_7); |
| 2222 | SET_BITVAL(conn->snack_req_en, options, BIT_6); |
| 2223 | SET_BITVAL(sess->discovery_logout_en, options, BIT_5); |
| 2224 | SET_BITVAL(sess->bidi_chap_en, options, BIT_4); |
| 2225 | SET_BITVAL(sess->discovery_auth_optional, options, BIT_3); |
| 2226 | SET_BITVAL(sess->erl & BIT_1, options, BIT_1); |
| 2227 | SET_BITVAL(sess->erl & BIT_0, options, BIT_0); |
| 2228 | fw_ddb_entry->iscsi_options = cpu_to_le16(options); |
| 2229 | |
| 2230 | options = le16_to_cpu(fw_ddb_entry->tcp_options); |
| 2231 | SET_BITVAL(conn->tcp_timestamp_stat, options, BIT_6); |
| 2232 | SET_BITVAL(conn->tcp_nagle_disable, options, BIT_5); |
| 2233 | SET_BITVAL(conn->tcp_wsf_disable, options, BIT_4); |
| 2234 | SET_BITVAL(conn->tcp_timer_scale & BIT_2, options, BIT_3); |
| 2235 | SET_BITVAL(conn->tcp_timer_scale & BIT_1, options, BIT_2); |
| 2236 | SET_BITVAL(conn->tcp_timer_scale & BIT_0, options, BIT_1); |
| 2237 | SET_BITVAL(conn->tcp_timestamp_en, options, BIT_0); |
| 2238 | fw_ddb_entry->tcp_options = cpu_to_le16(options); |
| 2239 | |
| 2240 | options = le16_to_cpu(fw_ddb_entry->ip_options); |
| 2241 | SET_BITVAL(conn->fragment_disable, options, BIT_4); |
| 2242 | fw_ddb_entry->ip_options = cpu_to_le16(options); |
| 2243 | |
| 2244 | fw_ddb_entry->iscsi_max_outsnd_r2t = cpu_to_le16(sess->max_r2t); |
| 2245 | fw_ddb_entry->iscsi_max_rcv_data_seg_len = |
| 2246 | cpu_to_le16(conn->max_recv_dlength / BYTE_UNITS); |
| 2247 | fw_ddb_entry->iscsi_max_snd_data_seg_len = |
| 2248 | cpu_to_le16(conn->max_xmit_dlength / BYTE_UNITS); |
| 2249 | fw_ddb_entry->iscsi_first_burst_len = |
| 2250 | cpu_to_le16(sess->first_burst / BYTE_UNITS); |
| 2251 | fw_ddb_entry->iscsi_max_burst_len = cpu_to_le16(sess->max_burst / |
| 2252 | BYTE_UNITS); |
| 2253 | fw_ddb_entry->iscsi_def_time2wait = cpu_to_le16(sess->time2wait); |
| 2254 | fw_ddb_entry->iscsi_def_time2retain = cpu_to_le16(sess->time2retain); |
| 2255 | fw_ddb_entry->tgt_portal_grp = cpu_to_le16(sess->tpgt); |
| 2256 | fw_ddb_entry->mss = cpu_to_le16(conn->max_segment_size); |
Adheer Chandravanshi | fbcd483 | 2013-04-17 05:15:29 -0400 | [diff] [blame] | 2257 | fw_ddb_entry->tcp_xmt_wsf = (uint8_t) cpu_to_le32(conn->tcp_xmit_wsf); |
| 2258 | fw_ddb_entry->tcp_rcv_wsf = (uint8_t) cpu_to_le32(conn->tcp_recv_wsf); |
Adheer Chandravanshi | 1e9e2be | 2013-03-22 07:41:31 -0400 | [diff] [blame] | 2259 | fw_ddb_entry->ipv6_flow_lbl = cpu_to_le16(conn->ipv6_flow_label); |
| 2260 | fw_ddb_entry->ka_timeout = cpu_to_le16(conn->keepalive_timeout); |
| 2261 | fw_ddb_entry->lcl_port = cpu_to_le16(conn->local_port); |
Adheer Chandravanshi | fbcd483 | 2013-04-17 05:15:29 -0400 | [diff] [blame] | 2262 | fw_ddb_entry->stat_sn = cpu_to_le32(conn->statsn); |
| 2263 | fw_ddb_entry->exp_stat_sn = cpu_to_le32(conn->exp_statsn); |
Adheer Chandravanshi | 6556016 | 2013-07-08 08:33:06 -0400 | [diff] [blame] | 2264 | fw_ddb_entry->ddb_link = cpu_to_le16(sess->discovery_parent_idx); |
Adheer Chandravanshi | 1e9e2be | 2013-03-22 07:41:31 -0400 | [diff] [blame] | 2265 | fw_ddb_entry->chap_tbl_idx = cpu_to_le16(sess->chap_out_idx); |
| 2266 | fw_ddb_entry->tsid = cpu_to_le16(sess->tsid); |
| 2267 | fw_ddb_entry->port = cpu_to_le16(conn->port); |
| 2268 | fw_ddb_entry->def_timeout = |
| 2269 | cpu_to_le16(sess->default_taskmgmt_timeout); |
| 2270 | |
Adheer Chandravanshi | 8459580 | 2013-07-08 08:33:07 -0400 | [diff] [blame] | 2271 | if (!strncmp(sess->portal_type, PORTAL_TYPE_IPV6, 4)) |
| 2272 | fw_ddb_entry->ipv4_tos = conn->ipv6_traffic_class; |
| 2273 | else |
| 2274 | fw_ddb_entry->ipv4_tos = conn->ipv4_tos; |
| 2275 | |
Adheer Chandravanshi | 1e9e2be | 2013-03-22 07:41:31 -0400 | [diff] [blame] | 2276 | if (conn->ipaddress) |
| 2277 | memcpy(fw_ddb_entry->ip_addr, conn->ipaddress, |
| 2278 | sizeof(fw_ddb_entry->ip_addr)); |
| 2279 | |
| 2280 | if (conn->redirect_ipaddr) |
| 2281 | memcpy(fw_ddb_entry->tgt_addr, conn->redirect_ipaddr, |
| 2282 | sizeof(fw_ddb_entry->tgt_addr)); |
| 2283 | |
| 2284 | if (conn->link_local_ipv6_addr) |
| 2285 | memcpy(fw_ddb_entry->link_local_ipv6_addr, |
| 2286 | conn->link_local_ipv6_addr, |
| 2287 | sizeof(fw_ddb_entry->link_local_ipv6_addr)); |
| 2288 | |
| 2289 | if (sess->targetname) |
| 2290 | memcpy(fw_ddb_entry->iscsi_name, sess->targetname, |
| 2291 | sizeof(fw_ddb_entry->iscsi_name)); |
| 2292 | |
| 2293 | if (sess->targetalias) |
| 2294 | memcpy(fw_ddb_entry->iscsi_alias, sess->targetalias, |
| 2295 | sizeof(fw_ddb_entry->iscsi_alias)); |
| 2296 | |
| 2297 | COPY_ISID(fw_ddb_entry->isid, sess->isid); |
| 2298 | |
| 2299 | return rc; |
| 2300 | } |
| 2301 | |
Adheer Chandravanshi | 8cc91d4 | 2013-07-01 05:54:13 -0400 | [diff] [blame] | 2302 | static void qla4xxx_copy_to_sess_conn_params(struct iscsi_conn *conn, |
| 2303 | struct iscsi_session *sess, |
| 2304 | struct dev_db_entry *fw_ddb_entry) |
| 2305 | { |
| 2306 | unsigned long options = 0; |
| 2307 | uint16_t ddb_link; |
| 2308 | uint16_t disc_parent; |
| 2309 | |
| 2310 | options = le16_to_cpu(fw_ddb_entry->options); |
| 2311 | conn->is_fw_assigned_ipv6 = test_bit(OPT_IS_FW_ASSIGNED_IPV6, &options); |
| 2312 | sess->auto_snd_tgt_disable = test_bit(OPT_AUTO_SENDTGTS_DISABLE, |
| 2313 | &options); |
| 2314 | sess->discovery_sess = test_bit(OPT_DISC_SESSION, &options); |
| 2315 | |
| 2316 | options = le16_to_cpu(fw_ddb_entry->iscsi_options); |
| 2317 | conn->hdrdgst_en = test_bit(ISCSIOPT_HEADER_DIGEST_EN, &options); |
| 2318 | conn->datadgst_en = test_bit(ISCSIOPT_DATA_DIGEST_EN, &options); |
| 2319 | sess->imm_data_en = test_bit(ISCSIOPT_IMMEDIATE_DATA_EN, &options); |
| 2320 | sess->initial_r2t_en = test_bit(ISCSIOPT_INITIAL_R2T_EN, &options); |
| 2321 | sess->dataseq_inorder_en = test_bit(ISCSIOPT_DATA_SEQ_IN_ORDER, |
| 2322 | &options); |
| 2323 | sess->pdu_inorder_en = test_bit(ISCSIOPT_DATA_PDU_IN_ORDER, &options); |
| 2324 | sess->chap_auth_en = test_bit(ISCSIOPT_CHAP_AUTH_EN, &options); |
| 2325 | sess->discovery_logout_en = test_bit(ISCSIOPT_DISCOVERY_LOGOUT_EN, |
| 2326 | &options); |
| 2327 | sess->bidi_chap_en = test_bit(ISCSIOPT_BIDI_CHAP_EN, &options); |
| 2328 | sess->discovery_auth_optional = |
| 2329 | test_bit(ISCSIOPT_DISCOVERY_AUTH_OPTIONAL, &options); |
| 2330 | if (test_bit(ISCSIOPT_ERL1, &options)) |
| 2331 | sess->erl |= BIT_1; |
| 2332 | if (test_bit(ISCSIOPT_ERL0, &options)) |
| 2333 | sess->erl |= BIT_0; |
| 2334 | |
| 2335 | options = le16_to_cpu(fw_ddb_entry->tcp_options); |
| 2336 | conn->tcp_timestamp_stat = test_bit(TCPOPT_TIMESTAMP_STAT, &options); |
| 2337 | conn->tcp_nagle_disable = test_bit(TCPOPT_NAGLE_DISABLE, &options); |
| 2338 | conn->tcp_wsf_disable = test_bit(TCPOPT_WSF_DISABLE, &options); |
| 2339 | if (test_bit(TCPOPT_TIMER_SCALE3, &options)) |
| 2340 | conn->tcp_timer_scale |= BIT_3; |
| 2341 | if (test_bit(TCPOPT_TIMER_SCALE2, &options)) |
| 2342 | conn->tcp_timer_scale |= BIT_2; |
| 2343 | if (test_bit(TCPOPT_TIMER_SCALE1, &options)) |
| 2344 | conn->tcp_timer_scale |= BIT_1; |
| 2345 | |
| 2346 | conn->tcp_timer_scale >>= 1; |
| 2347 | conn->tcp_timestamp_en = test_bit(TCPOPT_TIMESTAMP_EN, &options); |
| 2348 | |
| 2349 | options = le16_to_cpu(fw_ddb_entry->ip_options); |
| 2350 | conn->fragment_disable = test_bit(IPOPT_FRAGMENT_DISABLE, &options); |
| 2351 | |
| 2352 | conn->max_recv_dlength = BYTE_UNITS * |
| 2353 | le16_to_cpu(fw_ddb_entry->iscsi_max_rcv_data_seg_len); |
| 2354 | conn->max_xmit_dlength = BYTE_UNITS * |
| 2355 | le16_to_cpu(fw_ddb_entry->iscsi_max_snd_data_seg_len); |
| 2356 | sess->max_r2t = le16_to_cpu(fw_ddb_entry->iscsi_max_outsnd_r2t); |
| 2357 | sess->first_burst = BYTE_UNITS * |
| 2358 | le16_to_cpu(fw_ddb_entry->iscsi_first_burst_len); |
| 2359 | sess->max_burst = BYTE_UNITS * |
| 2360 | le16_to_cpu(fw_ddb_entry->iscsi_max_burst_len); |
| 2361 | sess->time2wait = le16_to_cpu(fw_ddb_entry->iscsi_def_time2wait); |
| 2362 | sess->time2retain = le16_to_cpu(fw_ddb_entry->iscsi_def_time2retain); |
| 2363 | sess->tpgt = le32_to_cpu(fw_ddb_entry->tgt_portal_grp); |
| 2364 | conn->max_segment_size = le16_to_cpu(fw_ddb_entry->mss); |
| 2365 | conn->tcp_xmit_wsf = fw_ddb_entry->tcp_xmt_wsf; |
| 2366 | conn->tcp_recv_wsf = fw_ddb_entry->tcp_rcv_wsf; |
| 2367 | conn->ipv4_tos = fw_ddb_entry->ipv4_tos; |
| 2368 | conn->keepalive_tmo = le16_to_cpu(fw_ddb_entry->ka_timeout); |
| 2369 | conn->local_port = le16_to_cpu(fw_ddb_entry->lcl_port); |
| 2370 | conn->statsn = le32_to_cpu(fw_ddb_entry->stat_sn); |
| 2371 | conn->exp_statsn = le32_to_cpu(fw_ddb_entry->exp_stat_sn); |
| 2372 | sess->tsid = le16_to_cpu(fw_ddb_entry->tsid); |
| 2373 | COPY_ISID(sess->isid, fw_ddb_entry->isid); |
| 2374 | |
| 2375 | ddb_link = le16_to_cpu(fw_ddb_entry->ddb_link); |
| 2376 | if (ddb_link < MAX_DDB_ENTRIES) |
| 2377 | sess->discovery_parent_idx = ddb_link; |
| 2378 | else |
| 2379 | sess->discovery_parent_idx = DDB_NO_LINK; |
| 2380 | |
| 2381 | if (ddb_link == DDB_ISNS) |
| 2382 | disc_parent = ISCSI_DISC_PARENT_ISNS; |
| 2383 | else if (ddb_link == DDB_NO_LINK) |
| 2384 | disc_parent = ISCSI_DISC_PARENT_UNKNOWN; |
| 2385 | else if (ddb_link < MAX_DDB_ENTRIES) |
| 2386 | disc_parent = ISCSI_DISC_PARENT_SENDTGT; |
| 2387 | else |
| 2388 | disc_parent = ISCSI_DISC_PARENT_UNKNOWN; |
| 2389 | |
| 2390 | iscsi_set_param(conn->cls_conn, ISCSI_PARAM_DISCOVERY_PARENT_TYPE, |
| 2391 | iscsi_get_discovery_parent_name(disc_parent), 0); |
| 2392 | |
| 2393 | iscsi_set_param(conn->cls_conn, ISCSI_PARAM_TARGET_ALIAS, |
| 2394 | (char *)fw_ddb_entry->iscsi_alias, 0); |
| 2395 | } |
| 2396 | |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 2397 | static void qla4xxx_copy_fwddb_param(struct scsi_qla_host *ha, |
| 2398 | struct dev_db_entry *fw_ddb_entry, |
| 2399 | struct iscsi_cls_session *cls_sess, |
| 2400 | struct iscsi_cls_conn *cls_conn) |
| 2401 | { |
| 2402 | int buflen = 0; |
| 2403 | struct iscsi_session *sess; |
Nilesh Javali | 376738a | 2012-02-27 03:08:52 -0800 | [diff] [blame] | 2404 | struct ddb_entry *ddb_entry; |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 2405 | struct iscsi_conn *conn; |
| 2406 | char ip_addr[DDB_IPADDR_LEN]; |
| 2407 | uint16_t options = 0; |
| 2408 | |
| 2409 | sess = cls_sess->dd_data; |
Nilesh Javali | 376738a | 2012-02-27 03:08:52 -0800 | [diff] [blame] | 2410 | ddb_entry = sess->dd_data; |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 2411 | conn = cls_conn->dd_data; |
| 2412 | |
Nilesh Javali | 376738a | 2012-02-27 03:08:52 -0800 | [diff] [blame] | 2413 | ddb_entry->chap_tbl_idx = le16_to_cpu(fw_ddb_entry->chap_tbl_idx); |
| 2414 | |
Adheer Chandravanshi | 8cc91d4 | 2013-07-01 05:54:13 -0400 | [diff] [blame] | 2415 | qla4xxx_copy_to_sess_conn_params(conn, sess, fw_ddb_entry); |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 2416 | |
Adheer Chandravanshi | 8cc91d4 | 2013-07-01 05:54:13 -0400 | [diff] [blame] | 2417 | sess->def_taskmgmt_tmo = le16_to_cpu(fw_ddb_entry->def_timeout); |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 2418 | conn->persistent_port = le16_to_cpu(fw_ddb_entry->port); |
| 2419 | |
Adheer Chandravanshi | 8cc91d4 | 2013-07-01 05:54:13 -0400 | [diff] [blame] | 2420 | memset(ip_addr, 0, sizeof(ip_addr)); |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 2421 | options = le16_to_cpu(fw_ddb_entry->options); |
Adheer Chandravanshi | 8cc91d4 | 2013-07-01 05:54:13 -0400 | [diff] [blame] | 2422 | if (options & DDB_OPT_IPV6_DEVICE) { |
| 2423 | iscsi_set_param(cls_conn, ISCSI_PARAM_PORTAL_TYPE, "ipv6", 4); |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 2424 | |
Adheer Chandravanshi | 8cc91d4 | 2013-07-01 05:54:13 -0400 | [diff] [blame] | 2425 | memset(ip_addr, 0, sizeof(ip_addr)); |
| 2426 | sprintf(ip_addr, "%pI6", fw_ddb_entry->ip_addr); |
| 2427 | } else { |
| 2428 | iscsi_set_param(cls_conn, ISCSI_PARAM_PORTAL_TYPE, "ipv4", 4); |
| 2429 | sprintf(ip_addr, "%pI4", fw_ddb_entry->ip_addr); |
| 2430 | } |
| 2431 | |
| 2432 | iscsi_set_param(cls_conn, ISCSI_PARAM_PERSISTENT_ADDRESS, |
| 2433 | (char *)ip_addr, buflen); |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 2434 | iscsi_set_param(cls_conn, ISCSI_PARAM_TARGET_NAME, |
| 2435 | (char *)fw_ddb_entry->iscsi_name, buflen); |
| 2436 | iscsi_set_param(cls_conn, ISCSI_PARAM_INITIATOR_NAME, |
| 2437 | (char *)ha->name_string, buflen); |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 2438 | } |
| 2439 | |
| 2440 | void qla4xxx_update_session_conn_fwddb_param(struct scsi_qla_host *ha, |
| 2441 | struct ddb_entry *ddb_entry) |
| 2442 | { |
| 2443 | struct iscsi_cls_session *cls_sess; |
| 2444 | struct iscsi_cls_conn *cls_conn; |
| 2445 | uint32_t ddb_state; |
| 2446 | dma_addr_t fw_ddb_entry_dma; |
| 2447 | struct dev_db_entry *fw_ddb_entry; |
| 2448 | |
| 2449 | fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), |
| 2450 | &fw_ddb_entry_dma, GFP_KERNEL); |
| 2451 | if (!fw_ddb_entry) { |
| 2452 | ql4_printk(KERN_ERR, ha, |
| 2453 | "%s: Unable to allocate dma buffer\n", __func__); |
| 2454 | goto exit_session_conn_fwddb_param; |
| 2455 | } |
| 2456 | |
| 2457 | if (qla4xxx_get_fwddb_entry(ha, ddb_entry->fw_ddb_index, fw_ddb_entry, |
| 2458 | fw_ddb_entry_dma, NULL, NULL, &ddb_state, |
| 2459 | NULL, NULL, NULL) == QLA_ERROR) { |
| 2460 | DEBUG2(ql4_printk(KERN_ERR, ha, "scsi%ld: %s: failed " |
| 2461 | "get_ddb_entry for fw_ddb_index %d\n", |
| 2462 | ha->host_no, __func__, |
| 2463 | ddb_entry->fw_ddb_index)); |
| 2464 | goto exit_session_conn_fwddb_param; |
| 2465 | } |
| 2466 | |
| 2467 | cls_sess = ddb_entry->sess; |
| 2468 | |
| 2469 | cls_conn = ddb_entry->conn; |
| 2470 | |
| 2471 | /* Update params */ |
| 2472 | qla4xxx_copy_fwddb_param(ha, fw_ddb_entry, cls_sess, cls_conn); |
| 2473 | |
| 2474 | exit_session_conn_fwddb_param: |
| 2475 | if (fw_ddb_entry) |
| 2476 | dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), |
| 2477 | fw_ddb_entry, fw_ddb_entry_dma); |
| 2478 | } |
| 2479 | |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 2480 | void qla4xxx_update_session_conn_param(struct scsi_qla_host *ha, |
| 2481 | struct ddb_entry *ddb_entry) |
| 2482 | { |
| 2483 | struct iscsi_cls_session *cls_sess; |
| 2484 | struct iscsi_cls_conn *cls_conn; |
| 2485 | struct iscsi_session *sess; |
| 2486 | struct iscsi_conn *conn; |
| 2487 | uint32_t ddb_state; |
| 2488 | dma_addr_t fw_ddb_entry_dma; |
| 2489 | struct dev_db_entry *fw_ddb_entry; |
| 2490 | |
| 2491 | fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), |
| 2492 | &fw_ddb_entry_dma, GFP_KERNEL); |
| 2493 | if (!fw_ddb_entry) { |
| 2494 | ql4_printk(KERN_ERR, ha, |
| 2495 | "%s: Unable to allocate dma buffer\n", __func__); |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 2496 | goto exit_session_conn_param; |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 2497 | } |
| 2498 | |
| 2499 | if (qla4xxx_get_fwddb_entry(ha, ddb_entry->fw_ddb_index, fw_ddb_entry, |
| 2500 | fw_ddb_entry_dma, NULL, NULL, &ddb_state, |
| 2501 | NULL, NULL, NULL) == QLA_ERROR) { |
| 2502 | DEBUG2(ql4_printk(KERN_ERR, ha, "scsi%ld: %s: failed " |
| 2503 | "get_ddb_entry for fw_ddb_index %d\n", |
| 2504 | ha->host_no, __func__, |
| 2505 | ddb_entry->fw_ddb_index)); |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 2506 | goto exit_session_conn_param; |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 2507 | } |
| 2508 | |
| 2509 | cls_sess = ddb_entry->sess; |
| 2510 | sess = cls_sess->dd_data; |
| 2511 | |
| 2512 | cls_conn = ddb_entry->conn; |
| 2513 | conn = cls_conn->dd_data; |
| 2514 | |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 2515 | /* Update timers after login */ |
| 2516 | ddb_entry->default_relogin_timeout = |
Nilesh Javali | c28eaac | 2011-12-18 21:40:44 -0800 | [diff] [blame] | 2517 | (le16_to_cpu(fw_ddb_entry->def_timeout) > LOGIN_TOV) && |
| 2518 | (le16_to_cpu(fw_ddb_entry->def_timeout) < LOGIN_TOV * 10) ? |
| 2519 | le16_to_cpu(fw_ddb_entry->def_timeout) : LOGIN_TOV; |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 2520 | ddb_entry->default_time2wait = |
| 2521 | le16_to_cpu(fw_ddb_entry->iscsi_def_time2wait); |
| 2522 | |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 2523 | /* Update params */ |
Nilesh Javali | 376738a | 2012-02-27 03:08:52 -0800 | [diff] [blame] | 2524 | ddb_entry->chap_tbl_idx = le16_to_cpu(fw_ddb_entry->chap_tbl_idx); |
Adheer Chandravanshi | 8cc91d4 | 2013-07-01 05:54:13 -0400 | [diff] [blame] | 2525 | qla4xxx_copy_to_sess_conn_params(conn, sess, fw_ddb_entry); |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 2526 | |
| 2527 | memcpy(sess->initiatorname, ha->name_string, |
| 2528 | min(sizeof(ha->name_string), sizeof(sess->initiatorname))); |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 2529 | |
| 2530 | exit_session_conn_param: |
| 2531 | if (fw_ddb_entry) |
| 2532 | dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), |
| 2533 | fw_ddb_entry, fw_ddb_entry_dma); |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 2534 | } |
| 2535 | |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 2536 | /* |
| 2537 | * Timer routines |
| 2538 | */ |
| 2539 | |
| 2540 | static void qla4xxx_start_timer(struct scsi_qla_host *ha, void *func, |
| 2541 | unsigned long interval) |
| 2542 | { |
| 2543 | DEBUG(printk("scsi: %s: Starting timer thread for adapter %d\n", |
| 2544 | __func__, ha->host->host_no)); |
| 2545 | init_timer(&ha->timer); |
| 2546 | ha->timer.expires = jiffies + interval * HZ; |
| 2547 | ha->timer.data = (unsigned long)ha; |
| 2548 | ha->timer.function = (void (*)(unsigned long))func; |
| 2549 | add_timer(&ha->timer); |
| 2550 | ha->timer_active = 1; |
| 2551 | } |
| 2552 | |
| 2553 | static void qla4xxx_stop_timer(struct scsi_qla_host *ha) |
| 2554 | { |
| 2555 | del_timer_sync(&ha->timer); |
| 2556 | ha->timer_active = 0; |
| 2557 | } |
| 2558 | |
| 2559 | /*** |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 2560 | * qla4xxx_mark_device_missing - blocks the session |
| 2561 | * @cls_session: Pointer to the session to be blocked |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 2562 | * @ddb_entry: Pointer to device database entry |
| 2563 | * |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 2564 | * This routine marks a device missing and close connection. |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 2565 | **/ |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 2566 | void qla4xxx_mark_device_missing(struct iscsi_cls_session *cls_session) |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 2567 | { |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 2568 | iscsi_block_session(cls_session); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 2569 | } |
| 2570 | |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 2571 | /** |
| 2572 | * qla4xxx_mark_all_devices_missing - mark all devices as missing. |
| 2573 | * @ha: Pointer to host adapter structure. |
| 2574 | * |
| 2575 | * This routine marks a device missing and resets the relogin retry count. |
| 2576 | **/ |
| 2577 | void qla4xxx_mark_all_devices_missing(struct scsi_qla_host *ha) |
| 2578 | { |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 2579 | iscsi_host_for_each_session(ha->host, qla4xxx_mark_device_missing); |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 2580 | } |
| 2581 | |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 2582 | static struct srb* qla4xxx_get_new_srb(struct scsi_qla_host *ha, |
| 2583 | struct ddb_entry *ddb_entry, |
Vikas Chaudhary | 8f0722c | 2011-05-17 23:17:10 -0700 | [diff] [blame] | 2584 | struct scsi_cmnd *cmd) |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 2585 | { |
| 2586 | struct srb *srb; |
| 2587 | |
| 2588 | srb = mempool_alloc(ha->srb_mempool, GFP_ATOMIC); |
| 2589 | if (!srb) |
| 2590 | return srb; |
| 2591 | |
Vikas Chaudhary | 09a0f71 | 2010-04-28 11:42:24 +0530 | [diff] [blame] | 2592 | kref_init(&srb->srb_ref); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 2593 | srb->ha = ha; |
| 2594 | srb->ddb = ddb_entry; |
| 2595 | srb->cmd = cmd; |
| 2596 | srb->flags = 0; |
Vikas Chaudhary | 5369887 | 2010-04-28 11:41:59 +0530 | [diff] [blame] | 2597 | CMD_SP(cmd) = (void *)srb; |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 2598 | |
| 2599 | return srb; |
| 2600 | } |
| 2601 | |
| 2602 | static void qla4xxx_srb_free_dma(struct scsi_qla_host *ha, struct srb *srb) |
| 2603 | { |
| 2604 | struct scsi_cmnd *cmd = srb->cmd; |
| 2605 | |
| 2606 | if (srb->flags & SRB_DMA_VALID) { |
FUJITA Tomonori | 5f7186c | 2007-05-26 14:08:20 +0900 | [diff] [blame] | 2607 | scsi_dma_unmap(cmd); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 2608 | srb->flags &= ~SRB_DMA_VALID; |
| 2609 | } |
Vikas Chaudhary | 5369887 | 2010-04-28 11:41:59 +0530 | [diff] [blame] | 2610 | CMD_SP(cmd) = NULL; |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 2611 | } |
| 2612 | |
Vikas Chaudhary | 09a0f71 | 2010-04-28 11:42:24 +0530 | [diff] [blame] | 2613 | void qla4xxx_srb_compl(struct kref *ref) |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 2614 | { |
Vikas Chaudhary | 09a0f71 | 2010-04-28 11:42:24 +0530 | [diff] [blame] | 2615 | struct srb *srb = container_of(ref, struct srb, srb_ref); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 2616 | struct scsi_cmnd *cmd = srb->cmd; |
Vikas Chaudhary | 09a0f71 | 2010-04-28 11:42:24 +0530 | [diff] [blame] | 2617 | struct scsi_qla_host *ha = srb->ha; |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 2618 | |
| 2619 | qla4xxx_srb_free_dma(ha, srb); |
| 2620 | |
| 2621 | mempool_free(srb, ha->srb_mempool); |
| 2622 | |
| 2623 | cmd->scsi_done(cmd); |
| 2624 | } |
| 2625 | |
| 2626 | /** |
| 2627 | * qla4xxx_queuecommand - scsi layer issues scsi command to driver. |
Vikas Chaudhary | 8f0722c | 2011-05-17 23:17:10 -0700 | [diff] [blame] | 2628 | * @host: scsi host |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 2629 | * @cmd: Pointer to Linux's SCSI command structure |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 2630 | * |
| 2631 | * Remarks: |
| 2632 | * This routine is invoked by Linux to send a SCSI command to the driver. |
| 2633 | * The mid-level driver tries to ensure that queuecommand never gets |
| 2634 | * invoked concurrently with itself or the interrupt handler (although |
| 2635 | * the interrupt handler may call this routine as part of request- |
| 2636 | * completion handling). Unfortunely, it sometimes calls the scheduler |
| 2637 | * in interrupt context which is a big NO! NO!. |
| 2638 | **/ |
Vikas Chaudhary | 8f0722c | 2011-05-17 23:17:10 -0700 | [diff] [blame] | 2639 | static int qla4xxx_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd) |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 2640 | { |
Vikas Chaudhary | 8f0722c | 2011-05-17 23:17:10 -0700 | [diff] [blame] | 2641 | struct scsi_qla_host *ha = to_qla_host(host); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 2642 | struct ddb_entry *ddb_entry = cmd->device->hostdata; |
Mike Christie | 7fb1921 | 2008-01-31 13:36:45 -0600 | [diff] [blame] | 2643 | struct iscsi_cls_session *sess = ddb_entry->sess; |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 2644 | struct srb *srb; |
| 2645 | int rval; |
| 2646 | |
Lalit Chandivade | 2232be0 | 2010-07-30 14:38:47 +0530 | [diff] [blame] | 2647 | if (test_bit(AF_EEH_BUSY, &ha->flags)) { |
| 2648 | if (test_bit(AF_PCI_CHANNEL_IO_PERM_FAILURE, &ha->flags)) |
| 2649 | cmd->result = DID_NO_CONNECT << 16; |
| 2650 | else |
| 2651 | cmd->result = DID_REQUEUE << 16; |
| 2652 | goto qc_fail_command; |
| 2653 | } |
| 2654 | |
Mike Christie | 7fb1921 | 2008-01-31 13:36:45 -0600 | [diff] [blame] | 2655 | if (!sess) { |
| 2656 | cmd->result = DID_IMM_RETRY << 16; |
| 2657 | goto qc_fail_command; |
| 2658 | } |
| 2659 | |
| 2660 | rval = iscsi_session_chkready(sess); |
| 2661 | if (rval) { |
| 2662 | cmd->result = rval; |
| 2663 | goto qc_fail_command; |
| 2664 | } |
| 2665 | |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 2666 | if (test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags) || |
| 2667 | test_bit(DPC_RESET_ACTIVE, &ha->dpc_flags) || |
| 2668 | test_bit(DPC_RESET_HA, &ha->dpc_flags) || |
| 2669 | test_bit(DPC_HA_UNRECOVERABLE, &ha->dpc_flags) || |
| 2670 | test_bit(DPC_HA_NEED_QUIESCENT, &ha->dpc_flags) || |
| 2671 | !test_bit(AF_ONLINE, &ha->flags) || |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 2672 | !test_bit(AF_LINK_UP, &ha->flags) || |
Nilesh Javali | 026fbd3 | 2013-01-20 23:50:58 -0500 | [diff] [blame] | 2673 | test_bit(AF_LOOPBACK, &ha->flags) || |
Nilesh Javali | 7ab284c | 2013-08-16 07:03:03 -0400 | [diff] [blame] | 2674 | test_bit(DPC_POST_IDC_ACK, &ha->dpc_flags) || |
| 2675 | test_bit(DPC_RESTORE_ACB, &ha->dpc_flags) || |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 2676 | test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags)) |
David C Somayajulu | 477ffb9 | 2007-01-22 12:26:11 -0800 | [diff] [blame] | 2677 | goto qc_host_busy; |
| 2678 | |
Vikas Chaudhary | 8f0722c | 2011-05-17 23:17:10 -0700 | [diff] [blame] | 2679 | srb = qla4xxx_get_new_srb(ha, ddb_entry, cmd); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 2680 | if (!srb) |
Vikas Chaudhary | 8f0722c | 2011-05-17 23:17:10 -0700 | [diff] [blame] | 2681 | goto qc_host_busy; |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 2682 | |
| 2683 | rval = qla4xxx_send_command_to_isp(ha, srb); |
| 2684 | if (rval != QLA_SUCCESS) |
| 2685 | goto qc_host_busy_free_sp; |
| 2686 | |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 2687 | return 0; |
| 2688 | |
| 2689 | qc_host_busy_free_sp: |
| 2690 | qla4xxx_srb_free_dma(ha, srb); |
| 2691 | mempool_free(srb, ha->srb_mempool); |
| 2692 | |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 2693 | qc_host_busy: |
| 2694 | return SCSI_MLQUEUE_HOST_BUSY; |
| 2695 | |
| 2696 | qc_fail_command: |
Vikas Chaudhary | 8f0722c | 2011-05-17 23:17:10 -0700 | [diff] [blame] | 2697 | cmd->scsi_done(cmd); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 2698 | |
| 2699 | return 0; |
| 2700 | } |
| 2701 | |
| 2702 | /** |
| 2703 | * qla4xxx_mem_free - frees memory allocated to adapter |
| 2704 | * @ha: Pointer to host adapter structure. |
| 2705 | * |
| 2706 | * Frees memory previously allocated by qla4xxx_mem_alloc |
| 2707 | **/ |
| 2708 | static void qla4xxx_mem_free(struct scsi_qla_host *ha) |
| 2709 | { |
| 2710 | if (ha->queues) |
| 2711 | dma_free_coherent(&ha->pdev->dev, ha->queues_len, ha->queues, |
| 2712 | ha->queues_dma); |
| 2713 | |
Tej Parkash | 068237c8 | 2012-05-18 04:41:44 -0400 | [diff] [blame] | 2714 | if (ha->fw_dump) |
| 2715 | vfree(ha->fw_dump); |
| 2716 | |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 2717 | ha->queues_len = 0; |
| 2718 | ha->queues = NULL; |
| 2719 | ha->queues_dma = 0; |
| 2720 | ha->request_ring = NULL; |
| 2721 | ha->request_dma = 0; |
| 2722 | ha->response_ring = NULL; |
| 2723 | ha->response_dma = 0; |
| 2724 | ha->shadow_regs = NULL; |
| 2725 | ha->shadow_regs_dma = 0; |
Tej Parkash | 068237c8 | 2012-05-18 04:41:44 -0400 | [diff] [blame] | 2726 | ha->fw_dump = NULL; |
| 2727 | ha->fw_dump_size = 0; |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 2728 | |
| 2729 | /* Free srb pool. */ |
| 2730 | if (ha->srb_mempool) |
| 2731 | mempool_destroy(ha->srb_mempool); |
| 2732 | |
| 2733 | ha->srb_mempool = NULL; |
| 2734 | |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 2735 | if (ha->chap_dma_pool) |
| 2736 | dma_pool_destroy(ha->chap_dma_pool); |
| 2737 | |
Lalit Chandivade | 4549415 | 2011-10-07 16:55:42 -0700 | [diff] [blame] | 2738 | if (ha->chap_list) |
| 2739 | vfree(ha->chap_list); |
| 2740 | ha->chap_list = NULL; |
| 2741 | |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 2742 | if (ha->fw_ddb_dma_pool) |
| 2743 | dma_pool_destroy(ha->fw_ddb_dma_pool); |
| 2744 | |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 2745 | /* release io space registers */ |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 2746 | if (is_qla8022(ha)) { |
| 2747 | if (ha->nx_pcibase) |
| 2748 | iounmap( |
| 2749 | (struct device_reg_82xx __iomem *)ha->nx_pcibase); |
Vikas Chaudhary | b37ca41 | 2013-08-16 07:03:02 -0400 | [diff] [blame] | 2750 | } else if (is_qla8032(ha) || is_qla8042(ha)) { |
Vikas Chaudhary | 6e7b429 | 2012-08-22 07:55:08 -0400 | [diff] [blame] | 2751 | if (ha->nx_pcibase) |
| 2752 | iounmap( |
| 2753 | (struct device_reg_83xx __iomem *)ha->nx_pcibase); |
| 2754 | } else if (ha->reg) { |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 2755 | iounmap(ha->reg); |
Vikas Chaudhary | 6e7b429 | 2012-08-22 07:55:08 -0400 | [diff] [blame] | 2756 | } |
| 2757 | |
| 2758 | if (ha->reset_tmplt.buff) |
| 2759 | vfree(ha->reset_tmplt.buff); |
| 2760 | |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 2761 | pci_release_regions(ha->pdev); |
| 2762 | } |
| 2763 | |
| 2764 | /** |
| 2765 | * qla4xxx_mem_alloc - allocates memory for use by adapter. |
| 2766 | * @ha: Pointer to host adapter structure |
| 2767 | * |
| 2768 | * Allocates DMA memory for request and response queues. Also allocates memory |
| 2769 | * for srbs. |
| 2770 | **/ |
| 2771 | static int qla4xxx_mem_alloc(struct scsi_qla_host *ha) |
| 2772 | { |
| 2773 | unsigned long align; |
| 2774 | |
| 2775 | /* Allocate contiguous block of DMA memory for queues. */ |
| 2776 | ha->queues_len = ((REQUEST_QUEUE_DEPTH * QUEUE_SIZE) + |
| 2777 | (RESPONSE_QUEUE_DEPTH * QUEUE_SIZE) + |
| 2778 | sizeof(struct shadow_regs) + |
| 2779 | MEM_ALIGN_VALUE + |
| 2780 | (PAGE_SIZE - 1)) & ~(PAGE_SIZE - 1); |
| 2781 | ha->queues = dma_alloc_coherent(&ha->pdev->dev, ha->queues_len, |
| 2782 | &ha->queues_dma, GFP_KERNEL); |
| 2783 | if (ha->queues == NULL) { |
Vikas Chaudhary | c2660df | 2010-07-10 14:51:02 +0530 | [diff] [blame] | 2784 | ql4_printk(KERN_WARNING, ha, |
| 2785 | "Memory Allocation failed - queues.\n"); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 2786 | |
| 2787 | goto mem_alloc_error_exit; |
| 2788 | } |
| 2789 | memset(ha->queues, 0, ha->queues_len); |
| 2790 | |
| 2791 | /* |
| 2792 | * As per RISC alignment requirements -- the bus-address must be a |
| 2793 | * multiple of the request-ring size (in bytes). |
| 2794 | */ |
| 2795 | align = 0; |
| 2796 | if ((unsigned long)ha->queues_dma & (MEM_ALIGN_VALUE - 1)) |
| 2797 | align = MEM_ALIGN_VALUE - ((unsigned long)ha->queues_dma & |
| 2798 | (MEM_ALIGN_VALUE - 1)); |
| 2799 | |
| 2800 | /* Update request and response queue pointers. */ |
| 2801 | ha->request_dma = ha->queues_dma + align; |
| 2802 | ha->request_ring = (struct queue_entry *) (ha->queues + align); |
| 2803 | ha->response_dma = ha->queues_dma + align + |
| 2804 | (REQUEST_QUEUE_DEPTH * QUEUE_SIZE); |
| 2805 | ha->response_ring = (struct queue_entry *) (ha->queues + align + |
| 2806 | (REQUEST_QUEUE_DEPTH * |
| 2807 | QUEUE_SIZE)); |
| 2808 | ha->shadow_regs_dma = ha->queues_dma + align + |
| 2809 | (REQUEST_QUEUE_DEPTH * QUEUE_SIZE) + |
| 2810 | (RESPONSE_QUEUE_DEPTH * QUEUE_SIZE); |
| 2811 | ha->shadow_regs = (struct shadow_regs *) (ha->queues + align + |
| 2812 | (REQUEST_QUEUE_DEPTH * |
| 2813 | QUEUE_SIZE) + |
| 2814 | (RESPONSE_QUEUE_DEPTH * |
| 2815 | QUEUE_SIZE)); |
| 2816 | |
| 2817 | /* Allocate memory for srb pool. */ |
| 2818 | ha->srb_mempool = mempool_create(SRB_MIN_REQ, mempool_alloc_slab, |
| 2819 | mempool_free_slab, srb_cachep); |
| 2820 | if (ha->srb_mempool == NULL) { |
Vikas Chaudhary | c2660df | 2010-07-10 14:51:02 +0530 | [diff] [blame] | 2821 | ql4_printk(KERN_WARNING, ha, |
| 2822 | "Memory Allocation failed - SRB Pool.\n"); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 2823 | |
| 2824 | goto mem_alloc_error_exit; |
| 2825 | } |
| 2826 | |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 2827 | ha->chap_dma_pool = dma_pool_create("ql4_chap", &ha->pdev->dev, |
| 2828 | CHAP_DMA_BLOCK_SIZE, 8, 0); |
| 2829 | |
| 2830 | if (ha->chap_dma_pool == NULL) { |
| 2831 | ql4_printk(KERN_WARNING, ha, |
| 2832 | "%s: chap_dma_pool allocation failed..\n", __func__); |
| 2833 | goto mem_alloc_error_exit; |
| 2834 | } |
| 2835 | |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 2836 | ha->fw_ddb_dma_pool = dma_pool_create("ql4_fw_ddb", &ha->pdev->dev, |
| 2837 | DDB_DMA_BLOCK_SIZE, 8, 0); |
| 2838 | |
| 2839 | if (ha->fw_ddb_dma_pool == NULL) { |
| 2840 | ql4_printk(KERN_WARNING, ha, |
| 2841 | "%s: fw_ddb_dma_pool allocation failed..\n", |
| 2842 | __func__); |
| 2843 | goto mem_alloc_error_exit; |
| 2844 | } |
| 2845 | |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 2846 | return QLA_SUCCESS; |
| 2847 | |
| 2848 | mem_alloc_error_exit: |
| 2849 | qla4xxx_mem_free(ha); |
| 2850 | return QLA_ERROR; |
| 2851 | } |
| 2852 | |
| 2853 | /** |
Mike Hernandez | 4f77083 | 2012-01-11 02:44:15 -0800 | [diff] [blame] | 2854 | * qla4_8xxx_check_temp - Check the ISP82XX temperature. |
| 2855 | * @ha: adapter block pointer. |
| 2856 | * |
| 2857 | * Note: The caller should not hold the idc lock. |
| 2858 | **/ |
| 2859 | static int qla4_8xxx_check_temp(struct scsi_qla_host *ha) |
| 2860 | { |
| 2861 | uint32_t temp, temp_state, temp_val; |
| 2862 | int status = QLA_SUCCESS; |
| 2863 | |
Vikas Chaudhary | 33693c7 | 2012-08-22 07:55:04 -0400 | [diff] [blame] | 2864 | temp = qla4_8xxx_rd_direct(ha, QLA8XXX_CRB_TEMP_STATE); |
Mike Hernandez | 4f77083 | 2012-01-11 02:44:15 -0800 | [diff] [blame] | 2865 | |
| 2866 | temp_state = qla82xx_get_temp_state(temp); |
| 2867 | temp_val = qla82xx_get_temp_val(temp); |
| 2868 | |
| 2869 | if (temp_state == QLA82XX_TEMP_PANIC) { |
| 2870 | ql4_printk(KERN_WARNING, ha, "Device temperature %d degrees C" |
| 2871 | " exceeds maximum allowed. Hardware has been shut" |
| 2872 | " down.\n", temp_val); |
| 2873 | status = QLA_ERROR; |
| 2874 | } else if (temp_state == QLA82XX_TEMP_WARN) { |
| 2875 | if (ha->temperature == QLA82XX_TEMP_NORMAL) |
| 2876 | ql4_printk(KERN_WARNING, ha, "Device temperature %d" |
| 2877 | " degrees C exceeds operating range." |
| 2878 | " Immediate action needed.\n", temp_val); |
| 2879 | } else { |
| 2880 | if (ha->temperature == QLA82XX_TEMP_WARN) |
| 2881 | ql4_printk(KERN_INFO, ha, "Device temperature is" |
| 2882 | " now %d degrees C in normal range.\n", |
| 2883 | temp_val); |
| 2884 | } |
| 2885 | ha->temperature = temp_state; |
| 2886 | return status; |
| 2887 | } |
| 2888 | |
| 2889 | /** |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 2890 | * qla4_8xxx_check_fw_alive - Check firmware health |
| 2891 | * @ha: Pointer to host adapter structure. |
| 2892 | * |
| 2893 | * Context: Interrupt |
| 2894 | **/ |
Shyam Sunder | 9ee91a3 | 2011-12-01 22:42:13 -0800 | [diff] [blame] | 2895 | static int qla4_8xxx_check_fw_alive(struct scsi_qla_host *ha) |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 2896 | { |
Shyam Sunder | 9ee91a3 | 2011-12-01 22:42:13 -0800 | [diff] [blame] | 2897 | uint32_t fw_heartbeat_counter; |
| 2898 | int status = QLA_SUCCESS; |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 2899 | |
Vikas Chaudhary | 33693c7 | 2012-08-22 07:55:04 -0400 | [diff] [blame] | 2900 | fw_heartbeat_counter = qla4_8xxx_rd_direct(ha, |
| 2901 | QLA8XXX_PEG_ALIVE_COUNTER); |
Lalit Chandivade | 2232be0 | 2010-07-30 14:38:47 +0530 | [diff] [blame] | 2902 | /* If PEG_ALIVE_COUNTER is 0xffffffff, AER/EEH is in progress, ignore */ |
| 2903 | if (fw_heartbeat_counter == 0xffffffff) { |
| 2904 | DEBUG2(printk(KERN_WARNING "scsi%ld: %s: Device in frozen " |
| 2905 | "state, QLA82XX_PEG_ALIVE_COUNTER is 0xffffffff\n", |
| 2906 | ha->host_no, __func__)); |
Shyam Sunder | 9ee91a3 | 2011-12-01 22:42:13 -0800 | [diff] [blame] | 2907 | return status; |
Lalit Chandivade | 2232be0 | 2010-07-30 14:38:47 +0530 | [diff] [blame] | 2908 | } |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 2909 | |
| 2910 | if (ha->fw_heartbeat_counter == fw_heartbeat_counter) { |
| 2911 | ha->seconds_since_last_heartbeat++; |
| 2912 | /* FW not alive after 2 seconds */ |
| 2913 | if (ha->seconds_since_last_heartbeat == 2) { |
| 2914 | ha->seconds_since_last_heartbeat = 0; |
Vikas Chaudhary | 6e7b429 | 2012-08-22 07:55:08 -0400 | [diff] [blame] | 2915 | qla4_8xxx_dump_peg_reg(ha); |
Shyam Sunder | 9ee91a3 | 2011-12-01 22:42:13 -0800 | [diff] [blame] | 2916 | status = QLA_ERROR; |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 2917 | } |
Lalit Chandivade | 99457d7 | 2010-10-06 22:49:32 -0700 | [diff] [blame] | 2918 | } else |
| 2919 | ha->seconds_since_last_heartbeat = 0; |
| 2920 | |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 2921 | ha->fw_heartbeat_counter = fw_heartbeat_counter; |
Shyam Sunder | 9ee91a3 | 2011-12-01 22:42:13 -0800 | [diff] [blame] | 2922 | return status; |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 2923 | } |
| 2924 | |
Vikas Chaudhary | 6e7b429 | 2012-08-22 07:55:08 -0400 | [diff] [blame] | 2925 | static void qla4_8xxx_process_fw_error(struct scsi_qla_host *ha) |
| 2926 | { |
| 2927 | uint32_t halt_status; |
| 2928 | int halt_status_unrecoverable = 0; |
| 2929 | |
| 2930 | halt_status = qla4_8xxx_rd_direct(ha, QLA8XXX_PEG_HALT_STATUS1); |
| 2931 | |
| 2932 | if (is_qla8022(ha)) { |
| 2933 | ql4_printk(KERN_INFO, ha, "%s: disabling pause transmit on port 0 & 1.\n", |
| 2934 | __func__); |
| 2935 | qla4_82xx_wr_32(ha, QLA82XX_CRB_NIU + 0x98, |
| 2936 | CRB_NIU_XG_PAUSE_CTL_P0 | |
| 2937 | CRB_NIU_XG_PAUSE_CTL_P1); |
| 2938 | |
| 2939 | if (QLA82XX_FWERROR_CODE(halt_status) == 0x67) |
| 2940 | ql4_printk(KERN_ERR, ha, "%s: Firmware aborted with error code 0x00006700. Device is being reset\n", |
| 2941 | __func__); |
| 2942 | if (halt_status & HALT_STATUS_UNRECOVERABLE) |
| 2943 | halt_status_unrecoverable = 1; |
Vikas Chaudhary | b37ca41 | 2013-08-16 07:03:02 -0400 | [diff] [blame] | 2944 | } else if (is_qla8032(ha) || is_qla8042(ha)) { |
Vikas Chaudhary | 6e7b429 | 2012-08-22 07:55:08 -0400 | [diff] [blame] | 2945 | if (halt_status & QLA83XX_HALT_STATUS_FW_RESET) |
| 2946 | ql4_printk(KERN_ERR, ha, "%s: Firmware error detected device is being reset\n", |
| 2947 | __func__); |
| 2948 | else if (halt_status & QLA83XX_HALT_STATUS_UNRECOVERABLE) |
| 2949 | halt_status_unrecoverable = 1; |
| 2950 | } |
| 2951 | |
| 2952 | /* |
| 2953 | * Since we cannot change dev_state in interrupt context, |
| 2954 | * set appropriate DPC flag then wakeup DPC |
| 2955 | */ |
| 2956 | if (halt_status_unrecoverable) { |
| 2957 | set_bit(DPC_HA_UNRECOVERABLE, &ha->dpc_flags); |
| 2958 | } else { |
| 2959 | ql4_printk(KERN_INFO, ha, "%s: detect abort needed!\n", |
| 2960 | __func__); |
| 2961 | set_bit(DPC_RESET_HA, &ha->dpc_flags); |
| 2962 | } |
| 2963 | qla4xxx_mailbox_premature_completion(ha); |
| 2964 | qla4xxx_wake_dpc(ha); |
| 2965 | } |
| 2966 | |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 2967 | /** |
| 2968 | * qla4_8xxx_watchdog - Poll dev state |
| 2969 | * @ha: Pointer to host adapter structure. |
| 2970 | * |
| 2971 | * Context: Interrupt |
| 2972 | **/ |
| 2973 | void qla4_8xxx_watchdog(struct scsi_qla_host *ha) |
| 2974 | { |
Vikas Chaudhary | 6e7b429 | 2012-08-22 07:55:08 -0400 | [diff] [blame] | 2975 | uint32_t dev_state; |
Vikas Chaudhary | 6cf9412 | 2013-03-07 05:43:10 -0500 | [diff] [blame] | 2976 | uint32_t idc_ctrl; |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 2977 | |
| 2978 | /* don't poll if reset is going on */ |
Lalit Chandivade | d56a1f7 | 2010-12-02 22:12:45 -0800 | [diff] [blame] | 2979 | if (!(test_bit(DPC_RESET_ACTIVE, &ha->dpc_flags) || |
| 2980 | test_bit(DPC_RESET_HA, &ha->dpc_flags) || |
Vikas Chaudhary | 977f46a | 2011-05-17 23:17:08 -0700 | [diff] [blame] | 2981 | test_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags))) { |
Vikas Chaudhary | 33693c7 | 2012-08-22 07:55:04 -0400 | [diff] [blame] | 2982 | dev_state = qla4_8xxx_rd_direct(ha, QLA8XXX_CRB_DEV_STATE); |
Mike Hernandez | 4f77083 | 2012-01-11 02:44:15 -0800 | [diff] [blame] | 2983 | |
| 2984 | if (qla4_8xxx_check_temp(ha)) { |
Vikas Chaudhary | 6e7b429 | 2012-08-22 07:55:08 -0400 | [diff] [blame] | 2985 | if (is_qla8022(ha)) { |
| 2986 | ql4_printk(KERN_INFO, ha, "disabling pause transmit on port 0 & 1.\n"); |
| 2987 | qla4_82xx_wr_32(ha, QLA82XX_CRB_NIU + 0x98, |
| 2988 | CRB_NIU_XG_PAUSE_CTL_P0 | |
| 2989 | CRB_NIU_XG_PAUSE_CTL_P1); |
| 2990 | } |
Mike Hernandez | 4f77083 | 2012-01-11 02:44:15 -0800 | [diff] [blame] | 2991 | set_bit(DPC_HA_UNRECOVERABLE, &ha->dpc_flags); |
| 2992 | qla4xxx_wake_dpc(ha); |
Vikas Chaudhary | de8c72d | 2012-08-22 09:14:24 -0400 | [diff] [blame] | 2993 | } else if (dev_state == QLA8XXX_DEV_NEED_RESET && |
Vikas Chaudhary | 6e7b429 | 2012-08-22 07:55:08 -0400 | [diff] [blame] | 2994 | !test_bit(DPC_RESET_HA, &ha->dpc_flags)) { |
Vikas Chaudhary | 6cf9412 | 2013-03-07 05:43:10 -0500 | [diff] [blame] | 2995 | |
| 2996 | ql4_printk(KERN_INFO, ha, "%s: HW State: NEED RESET!\n", |
| 2997 | __func__); |
| 2998 | |
Vikas Chaudhary | b37ca41 | 2013-08-16 07:03:02 -0400 | [diff] [blame] | 2999 | if (is_qla8032(ha) || is_qla8042(ha)) { |
Vikas Chaudhary | 6cf9412 | 2013-03-07 05:43:10 -0500 | [diff] [blame] | 3000 | idc_ctrl = qla4_83xx_rd_reg(ha, |
| 3001 | QLA83XX_IDC_DRV_CTRL); |
| 3002 | if (!(idc_ctrl & GRACEFUL_RESET_BIT1)) { |
| 3003 | ql4_printk(KERN_INFO, ha, "%s: Graceful reset bit is not set\n", |
| 3004 | __func__); |
| 3005 | qla4xxx_mailbox_premature_completion( |
| 3006 | ha); |
| 3007 | } |
| 3008 | } |
| 3009 | |
Vikas Chaudhary | b37ca41 | 2013-08-16 07:03:02 -0400 | [diff] [blame] | 3010 | if ((is_qla8032(ha) || is_qla8042(ha)) || |
Vikas Chaudhary | 6e7b429 | 2012-08-22 07:55:08 -0400 | [diff] [blame] | 3011 | (is_qla8022(ha) && !ql4xdontresethba)) { |
Vikas Chaudhary | 3930b8c | 2010-12-02 22:12:47 -0800 | [diff] [blame] | 3012 | set_bit(DPC_RESET_HA, &ha->dpc_flags); |
| 3013 | qla4xxx_wake_dpc(ha); |
Vikas Chaudhary | 3930b8c | 2010-12-02 22:12:47 -0800 | [diff] [blame] | 3014 | } |
Vikas Chaudhary | de8c72d | 2012-08-22 09:14:24 -0400 | [diff] [blame] | 3015 | } else if (dev_state == QLA8XXX_DEV_NEED_QUIESCENT && |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 3016 | !test_bit(DPC_HA_NEED_QUIESCENT, &ha->dpc_flags)) { |
Vikas Chaudhary | 3930b8c | 2010-12-02 22:12:47 -0800 | [diff] [blame] | 3017 | ql4_printk(KERN_INFO, ha, "%s: HW State: NEED QUIES!\n", |
| 3018 | __func__); |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 3019 | set_bit(DPC_HA_NEED_QUIESCENT, &ha->dpc_flags); |
| 3020 | qla4xxx_wake_dpc(ha); |
| 3021 | } else { |
| 3022 | /* Check firmware health */ |
Vikas Chaudhary | 6e7b429 | 2012-08-22 07:55:08 -0400 | [diff] [blame] | 3023 | if (qla4_8xxx_check_fw_alive(ha)) |
| 3024 | qla4_8xxx_process_fw_error(ha); |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 3025 | } |
| 3026 | } |
| 3027 | } |
| 3028 | |
Lalit Chandivade | 4a4bc2e | 2011-12-16 01:58:55 -0800 | [diff] [blame] | 3029 | static void qla4xxx_check_relogin_flash_ddb(struct iscsi_cls_session *cls_sess) |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 3030 | { |
| 3031 | struct iscsi_session *sess; |
| 3032 | struct ddb_entry *ddb_entry; |
| 3033 | struct scsi_qla_host *ha; |
| 3034 | |
| 3035 | sess = cls_sess->dd_data; |
| 3036 | ddb_entry = sess->dd_data; |
| 3037 | ha = ddb_entry->ha; |
| 3038 | |
| 3039 | if (!(ddb_entry->ddb_type == FLASH_DDB)) |
| 3040 | return; |
| 3041 | |
| 3042 | if (adapter_up(ha) && !test_bit(DF_RELOGIN, &ddb_entry->flags) && |
| 3043 | !iscsi_is_session_online(cls_sess)) { |
| 3044 | if (atomic_read(&ddb_entry->retry_relogin_timer) != |
| 3045 | INVALID_ENTRY) { |
| 3046 | if (atomic_read(&ddb_entry->retry_relogin_timer) == |
| 3047 | 0) { |
| 3048 | atomic_set(&ddb_entry->retry_relogin_timer, |
| 3049 | INVALID_ENTRY); |
| 3050 | set_bit(DPC_RELOGIN_DEVICE, &ha->dpc_flags); |
| 3051 | set_bit(DF_RELOGIN, &ddb_entry->flags); |
| 3052 | DEBUG2(ql4_printk(KERN_INFO, ha, |
| 3053 | "%s: index [%d] login device\n", |
| 3054 | __func__, ddb_entry->fw_ddb_index)); |
| 3055 | } else |
| 3056 | atomic_dec(&ddb_entry->retry_relogin_timer); |
| 3057 | } |
| 3058 | } |
| 3059 | |
| 3060 | /* Wait for relogin to timeout */ |
| 3061 | if (atomic_read(&ddb_entry->relogin_timer) && |
| 3062 | (atomic_dec_and_test(&ddb_entry->relogin_timer) != 0)) { |
| 3063 | /* |
| 3064 | * If the relogin times out and the device is |
| 3065 | * still NOT ONLINE then try and relogin again. |
| 3066 | */ |
| 3067 | if (!iscsi_is_session_online(cls_sess)) { |
| 3068 | /* Reset retry relogin timer */ |
| 3069 | atomic_inc(&ddb_entry->relogin_retry_count); |
| 3070 | DEBUG2(ql4_printk(KERN_INFO, ha, |
| 3071 | "%s: index[%d] relogin timed out-retrying" |
| 3072 | " relogin (%d), retry (%d)\n", __func__, |
| 3073 | ddb_entry->fw_ddb_index, |
| 3074 | atomic_read(&ddb_entry->relogin_retry_count), |
| 3075 | ddb_entry->default_time2wait + 4)); |
| 3076 | set_bit(DPC_RELOGIN_DEVICE, &ha->dpc_flags); |
| 3077 | atomic_set(&ddb_entry->retry_relogin_timer, |
| 3078 | ddb_entry->default_time2wait + 4); |
| 3079 | } |
| 3080 | } |
| 3081 | } |
| 3082 | |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 3083 | /** |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 3084 | * qla4xxx_timer - checks every second for work to do. |
| 3085 | * @ha: Pointer to host adapter structure. |
| 3086 | **/ |
| 3087 | static void qla4xxx_timer(struct scsi_qla_host *ha) |
| 3088 | { |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 3089 | int start_dpc = 0; |
Lalit Chandivade | 2232be0 | 2010-07-30 14:38:47 +0530 | [diff] [blame] | 3090 | uint16_t w; |
| 3091 | |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 3092 | iscsi_host_for_each_session(ha->host, qla4xxx_check_relogin_flash_ddb); |
| 3093 | |
Lalit Chandivade | 2232be0 | 2010-07-30 14:38:47 +0530 | [diff] [blame] | 3094 | /* If we are in the middle of AER/EEH processing |
| 3095 | * skip any processing and reschedule the timer |
| 3096 | */ |
| 3097 | if (test_bit(AF_EEH_BUSY, &ha->flags)) { |
| 3098 | mod_timer(&ha->timer, jiffies + HZ); |
| 3099 | return; |
| 3100 | } |
| 3101 | |
| 3102 | /* Hardware read to trigger an EEH error during mailbox waits. */ |
| 3103 | if (!pci_channel_offline(ha->pdev)) |
| 3104 | pci_read_config_word(ha->pdev, PCI_VENDOR_ID, &w); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 3105 | |
Vikas Chaudhary | 6e7b429 | 2012-08-22 07:55:08 -0400 | [diff] [blame] | 3106 | if (is_qla80XX(ha)) |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 3107 | qla4_8xxx_watchdog(ha); |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 3108 | |
Vikas Chaudhary | ee996a6 | 2012-08-22 07:55:05 -0400 | [diff] [blame] | 3109 | if (is_qla40XX(ha)) { |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 3110 | /* Check for heartbeat interval. */ |
| 3111 | if (ha->firmware_options & FWOPT_HEARTBEAT_ENABLE && |
| 3112 | ha->heartbeat_interval != 0) { |
| 3113 | ha->seconds_since_last_heartbeat++; |
| 3114 | if (ha->seconds_since_last_heartbeat > |
| 3115 | ha->heartbeat_interval + 2) |
| 3116 | set_bit(DPC_RESET_HA, &ha->dpc_flags); |
| 3117 | } |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 3118 | } |
| 3119 | |
Vikas Chaudhary | ff88443 | 2011-08-29 23:43:02 +0530 | [diff] [blame] | 3120 | /* Process any deferred work. */ |
| 3121 | if (!list_empty(&ha->work_list)) |
| 3122 | start_dpc++; |
| 3123 | |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 3124 | /* Wakeup the dpc routine for this adapter, if needed. */ |
Lalit Chandivade | 1b46807 | 2011-05-17 23:17:09 -0700 | [diff] [blame] | 3125 | if (start_dpc || |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 3126 | test_bit(DPC_RESET_HA, &ha->dpc_flags) || |
| 3127 | test_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags) || |
| 3128 | test_bit(DPC_RELOGIN_DEVICE, &ha->dpc_flags) || |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 3129 | test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags) || |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 3130 | test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags) || |
| 3131 | test_bit(DPC_GET_DHCP_IP_ADDR, &ha->dpc_flags) || |
Vikas Chaudhary | 065aa1b | 2010-04-28 11:38:11 +0530 | [diff] [blame] | 3132 | test_bit(DPC_LINK_CHANGED, &ha->dpc_flags) || |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 3133 | test_bit(DPC_HA_UNRECOVERABLE, &ha->dpc_flags) || |
| 3134 | test_bit(DPC_HA_NEED_QUIESCENT, &ha->dpc_flags) || |
Lalit Chandivade | 1b46807 | 2011-05-17 23:17:09 -0700 | [diff] [blame] | 3135 | test_bit(DPC_AEN, &ha->dpc_flags)) { |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 3136 | DEBUG2(printk("scsi%ld: %s: scheduling dpc routine" |
| 3137 | " - dpc flags = 0x%lx\n", |
| 3138 | ha->host_no, __func__, ha->dpc_flags)); |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 3139 | qla4xxx_wake_dpc(ha); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 3140 | } |
| 3141 | |
| 3142 | /* Reschedule timer thread to call us back in one second */ |
| 3143 | mod_timer(&ha->timer, jiffies + HZ); |
| 3144 | |
| 3145 | DEBUG2(ha->seconds_since_last_intr++); |
| 3146 | } |
| 3147 | |
| 3148 | /** |
| 3149 | * qla4xxx_cmd_wait - waits for all outstanding commands to complete |
| 3150 | * @ha: Pointer to host adapter structure. |
| 3151 | * |
| 3152 | * This routine stalls the driver until all outstanding commands are returned. |
| 3153 | * Caller must release the Hardware Lock prior to calling this routine. |
| 3154 | **/ |
| 3155 | static int qla4xxx_cmd_wait(struct scsi_qla_host *ha) |
| 3156 | { |
| 3157 | uint32_t index = 0; |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 3158 | unsigned long flags; |
| 3159 | struct scsi_cmnd *cmd; |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 3160 | |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 3161 | unsigned long wtime = jiffies + (WAIT_CMD_TOV * HZ); |
| 3162 | |
| 3163 | DEBUG2(ql4_printk(KERN_INFO, ha, "Wait up to %d seconds for cmds to " |
| 3164 | "complete\n", WAIT_CMD_TOV)); |
| 3165 | |
| 3166 | while (!time_after_eq(jiffies, wtime)) { |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 3167 | spin_lock_irqsave(&ha->hardware_lock, flags); |
| 3168 | /* Find a command that hasn't completed. */ |
| 3169 | for (index = 0; index < ha->host->can_queue; index++) { |
| 3170 | cmd = scsi_host_find_tag(ha->host, index); |
Mike Christie | a1e0063 | 2010-10-26 05:45:30 -0700 | [diff] [blame] | 3171 | /* |
| 3172 | * We cannot just check if the index is valid, |
| 3173 | * becase if we are run from the scsi eh, then |
| 3174 | * the scsi/block layer is going to prevent |
| 3175 | * the tag from being released. |
| 3176 | */ |
| 3177 | if (cmd != NULL && CMD_SP(cmd)) |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 3178 | break; |
| 3179 | } |
| 3180 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
| 3181 | |
| 3182 | /* If No Commands are pending, wait is complete */ |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 3183 | if (index == ha->host->can_queue) |
| 3184 | return QLA_SUCCESS; |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 3185 | |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 3186 | msleep(1000); |
| 3187 | } |
| 3188 | /* If we timed out on waiting for commands to come back |
| 3189 | * return ERROR. */ |
| 3190 | return QLA_ERROR; |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 3191 | } |
| 3192 | |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 3193 | int qla4xxx_hw_reset(struct scsi_qla_host *ha) |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 3194 | { |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 3195 | uint32_t ctrl_status; |
David C Somayajulu | 477ffb9 | 2007-01-22 12:26:11 -0800 | [diff] [blame] | 3196 | unsigned long flags = 0; |
| 3197 | |
| 3198 | DEBUG2(printk(KERN_ERR "scsi%ld: %s\n", ha->host_no, __func__)); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 3199 | |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 3200 | if (ql4xxx_lock_drvr_wait(ha) != QLA_SUCCESS) |
| 3201 | return QLA_ERROR; |
| 3202 | |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 3203 | spin_lock_irqsave(&ha->hardware_lock, flags); |
| 3204 | |
| 3205 | /* |
| 3206 | * If the SCSI Reset Interrupt bit is set, clear it. |
| 3207 | * Otherwise, the Soft Reset won't work. |
| 3208 | */ |
| 3209 | ctrl_status = readw(&ha->reg->ctrl_status); |
| 3210 | if ((ctrl_status & CSR_SCSI_RESET_INTR) != 0) |
| 3211 | writel(set_rmask(CSR_SCSI_RESET_INTR), &ha->reg->ctrl_status); |
| 3212 | |
| 3213 | /* Issue Soft Reset */ |
| 3214 | writel(set_rmask(CSR_SOFT_RESET), &ha->reg->ctrl_status); |
| 3215 | readl(&ha->reg->ctrl_status); |
| 3216 | |
| 3217 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 3218 | return QLA_SUCCESS; |
David C Somayajulu | 477ffb9 | 2007-01-22 12:26:11 -0800 | [diff] [blame] | 3219 | } |
| 3220 | |
| 3221 | /** |
| 3222 | * qla4xxx_soft_reset - performs soft reset. |
| 3223 | * @ha: Pointer to host adapter structure. |
| 3224 | **/ |
| 3225 | int qla4xxx_soft_reset(struct scsi_qla_host *ha) |
| 3226 | { |
| 3227 | uint32_t max_wait_time; |
| 3228 | unsigned long flags = 0; |
Vikas Chaudhary | f931c53 | 2010-10-06 22:48:07 -0700 | [diff] [blame] | 3229 | int status; |
David C Somayajulu | 477ffb9 | 2007-01-22 12:26:11 -0800 | [diff] [blame] | 3230 | uint32_t ctrl_status; |
| 3231 | |
Vikas Chaudhary | f931c53 | 2010-10-06 22:48:07 -0700 | [diff] [blame] | 3232 | status = qla4xxx_hw_reset(ha); |
| 3233 | if (status != QLA_SUCCESS) |
| 3234 | return status; |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 3235 | |
Vikas Chaudhary | f931c53 | 2010-10-06 22:48:07 -0700 | [diff] [blame] | 3236 | status = QLA_ERROR; |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 3237 | /* Wait until the Network Reset Intr bit is cleared */ |
| 3238 | max_wait_time = RESET_INTR_TOV; |
| 3239 | do { |
| 3240 | spin_lock_irqsave(&ha->hardware_lock, flags); |
| 3241 | ctrl_status = readw(&ha->reg->ctrl_status); |
| 3242 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
| 3243 | |
| 3244 | if ((ctrl_status & CSR_NET_RESET_INTR) == 0) |
| 3245 | break; |
| 3246 | |
| 3247 | msleep(1000); |
| 3248 | } while ((--max_wait_time)); |
| 3249 | |
| 3250 | if ((ctrl_status & CSR_NET_RESET_INTR) != 0) { |
| 3251 | DEBUG2(printk(KERN_WARNING |
| 3252 | "scsi%ld: Network Reset Intr not cleared by " |
| 3253 | "Network function, clearing it now!\n", |
| 3254 | ha->host_no)); |
| 3255 | spin_lock_irqsave(&ha->hardware_lock, flags); |
| 3256 | writel(set_rmask(CSR_NET_RESET_INTR), &ha->reg->ctrl_status); |
| 3257 | readl(&ha->reg->ctrl_status); |
| 3258 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
| 3259 | } |
| 3260 | |
| 3261 | /* Wait until the firmware tells us the Soft Reset is done */ |
| 3262 | max_wait_time = SOFT_RESET_TOV; |
| 3263 | do { |
| 3264 | spin_lock_irqsave(&ha->hardware_lock, flags); |
| 3265 | ctrl_status = readw(&ha->reg->ctrl_status); |
| 3266 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
| 3267 | |
| 3268 | if ((ctrl_status & CSR_SOFT_RESET) == 0) { |
| 3269 | status = QLA_SUCCESS; |
| 3270 | break; |
| 3271 | } |
| 3272 | |
| 3273 | msleep(1000); |
| 3274 | } while ((--max_wait_time)); |
| 3275 | |
| 3276 | /* |
| 3277 | * Also, make sure that the SCSI Reset Interrupt bit has been cleared |
| 3278 | * after the soft reset has taken place. |
| 3279 | */ |
| 3280 | spin_lock_irqsave(&ha->hardware_lock, flags); |
| 3281 | ctrl_status = readw(&ha->reg->ctrl_status); |
| 3282 | if ((ctrl_status & CSR_SCSI_RESET_INTR) != 0) { |
| 3283 | writel(set_rmask(CSR_SCSI_RESET_INTR), &ha->reg->ctrl_status); |
| 3284 | readl(&ha->reg->ctrl_status); |
| 3285 | } |
| 3286 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
| 3287 | |
| 3288 | /* If soft reset fails then most probably the bios on other |
| 3289 | * function is also enabled. |
| 3290 | * Since the initialization is sequential the other fn |
| 3291 | * wont be able to acknowledge the soft reset. |
| 3292 | * Issue a force soft reset to workaround this scenario. |
| 3293 | */ |
| 3294 | if (max_wait_time == 0) { |
| 3295 | /* Issue Force Soft Reset */ |
| 3296 | spin_lock_irqsave(&ha->hardware_lock, flags); |
| 3297 | writel(set_rmask(CSR_FORCE_SOFT_RESET), &ha->reg->ctrl_status); |
| 3298 | readl(&ha->reg->ctrl_status); |
| 3299 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
| 3300 | /* Wait until the firmware tells us the Soft Reset is done */ |
| 3301 | max_wait_time = SOFT_RESET_TOV; |
| 3302 | do { |
| 3303 | spin_lock_irqsave(&ha->hardware_lock, flags); |
| 3304 | ctrl_status = readw(&ha->reg->ctrl_status); |
| 3305 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
| 3306 | |
| 3307 | if ((ctrl_status & CSR_FORCE_SOFT_RESET) == 0) { |
| 3308 | status = QLA_SUCCESS; |
| 3309 | break; |
| 3310 | } |
| 3311 | |
| 3312 | msleep(1000); |
| 3313 | } while ((--max_wait_time)); |
| 3314 | } |
| 3315 | |
| 3316 | return status; |
| 3317 | } |
| 3318 | |
| 3319 | /** |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 3320 | * qla4xxx_abort_active_cmds - returns all outstanding i/o requests to O.S. |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 3321 | * @ha: Pointer to host adapter structure. |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 3322 | * @res: returned scsi status |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 3323 | * |
| 3324 | * This routine is called just prior to a HARD RESET to return all |
| 3325 | * outstanding commands back to the Operating System. |
| 3326 | * Caller should make sure that the following locks are released |
| 3327 | * before this calling routine: Hardware lock, and io_request_lock. |
| 3328 | **/ |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 3329 | static void qla4xxx_abort_active_cmds(struct scsi_qla_host *ha, int res) |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 3330 | { |
| 3331 | struct srb *srb; |
| 3332 | int i; |
| 3333 | unsigned long flags; |
| 3334 | |
| 3335 | spin_lock_irqsave(&ha->hardware_lock, flags); |
| 3336 | for (i = 0; i < ha->host->can_queue; i++) { |
| 3337 | srb = qla4xxx_del_from_active_array(ha, i); |
| 3338 | if (srb != NULL) { |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 3339 | srb->cmd->result = res; |
Vikas Chaudhary | 09a0f71 | 2010-04-28 11:42:24 +0530 | [diff] [blame] | 3340 | kref_put(&srb->srb_ref, qla4xxx_srb_compl); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 3341 | } |
| 3342 | } |
| 3343 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 3344 | } |
| 3345 | |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 3346 | void qla4xxx_dead_adapter_cleanup(struct scsi_qla_host *ha) |
| 3347 | { |
| 3348 | clear_bit(AF_ONLINE, &ha->flags); |
| 3349 | |
| 3350 | /* Disable the board */ |
| 3351 | ql4_printk(KERN_INFO, ha, "Disabling the board\n"); |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 3352 | |
| 3353 | qla4xxx_abort_active_cmds(ha, DID_NO_CONNECT << 16); |
| 3354 | qla4xxx_mark_all_devices_missing(ha); |
| 3355 | clear_bit(AF_INIT_DONE, &ha->flags); |
| 3356 | } |
| 3357 | |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 3358 | static void qla4xxx_fail_session(struct iscsi_cls_session *cls_session) |
| 3359 | { |
| 3360 | struct iscsi_session *sess; |
| 3361 | struct ddb_entry *ddb_entry; |
| 3362 | |
| 3363 | sess = cls_session->dd_data; |
| 3364 | ddb_entry = sess->dd_data; |
| 3365 | ddb_entry->fw_ddb_device_state = DDB_DS_SESSION_FAILED; |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 3366 | |
| 3367 | if (ddb_entry->ddb_type == FLASH_DDB) |
| 3368 | iscsi_block_session(ddb_entry->sess); |
| 3369 | else |
| 3370 | iscsi_session_failure(cls_session->dd_data, |
| 3371 | ISCSI_ERR_CONN_FAILED); |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 3372 | } |
| 3373 | |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 3374 | /** |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 3375 | * qla4xxx_recover_adapter - recovers adapter after a fatal error |
| 3376 | * @ha: Pointer to host adapter structure. |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 3377 | **/ |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 3378 | static int qla4xxx_recover_adapter(struct scsi_qla_host *ha) |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 3379 | { |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 3380 | int status = QLA_ERROR; |
| 3381 | uint8_t reset_chip = 0; |
Sarang Radke | 8e0f3a6 | 2011-12-01 22:42:09 -0800 | [diff] [blame] | 3382 | uint32_t dev_state; |
Shyam Sunder | 9ee91a3 | 2011-12-01 22:42:13 -0800 | [diff] [blame] | 3383 | unsigned long wait; |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 3384 | |
| 3385 | /* Stall incoming I/O until we are done */ |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 3386 | scsi_block_requests(ha->host); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 3387 | clear_bit(AF_ONLINE, &ha->flags); |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 3388 | clear_bit(AF_LINK_UP, &ha->flags); |
Mike Christie | 50a29ae | 2008-03-04 13:26:53 -0600 | [diff] [blame] | 3389 | |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 3390 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: adapter OFFLINE\n", __func__)); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 3391 | |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 3392 | set_bit(DPC_RESET_ACTIVE, &ha->dpc_flags); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 3393 | |
Vikas Chaudhary | b37ca41 | 2013-08-16 07:03:02 -0400 | [diff] [blame] | 3394 | if ((is_qla8032(ha) || is_qla8042(ha)) && |
Tej Parkash | 546fef2 | 2012-09-20 07:35:12 -0400 | [diff] [blame] | 3395 | !test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags)) { |
| 3396 | ql4_printk(KERN_INFO, ha, "%s: disabling pause transmit on port 0 & 1.\n", |
| 3397 | __func__); |
| 3398 | /* disable pause frame for ISP83xx */ |
| 3399 | qla4_83xx_disable_pause(ha); |
| 3400 | } |
| 3401 | |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 3402 | iscsi_host_for_each_session(ha->host, qla4xxx_fail_session); |
| 3403 | |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 3404 | if (test_bit(DPC_RESET_HA, &ha->dpc_flags)) |
| 3405 | reset_chip = 1; |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 3406 | |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 3407 | /* For the DPC_RESET_HA_INTR case (ISP-4xxx specific) |
| 3408 | * do not reset adapter, jump to initialize_adapter */ |
| 3409 | if (test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags)) { |
| 3410 | status = QLA_SUCCESS; |
| 3411 | goto recover_ha_init_adapter; |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 3412 | } |
| 3413 | |
Vikas Chaudhary | 6e7b429 | 2012-08-22 07:55:08 -0400 | [diff] [blame] | 3414 | /* For the ISP-8xxx adapter, issue a stop_firmware if invoked |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 3415 | * from eh_host_reset or ioctl module */ |
Vikas Chaudhary | 6e7b429 | 2012-08-22 07:55:08 -0400 | [diff] [blame] | 3416 | if (is_qla80XX(ha) && !reset_chip && |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 3417 | test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags)) { |
| 3418 | |
| 3419 | DEBUG2(ql4_printk(KERN_INFO, ha, |
| 3420 | "scsi%ld: %s - Performing stop_firmware...\n", |
| 3421 | ha->host_no, __func__)); |
| 3422 | status = ha->isp_ops->reset_firmware(ha); |
| 3423 | if (status == QLA_SUCCESS) { |
Nilesh Javali | 2bd1e2b | 2010-10-06 22:49:20 -0700 | [diff] [blame] | 3424 | if (!test_bit(AF_FW_RECOVERY, &ha->flags)) |
| 3425 | qla4xxx_cmd_wait(ha); |
Vikas Chaudhary | 5c19b92 | 2012-11-23 06:58:38 -0500 | [diff] [blame] | 3426 | |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 3427 | ha->isp_ops->disable_intrs(ha); |
| 3428 | qla4xxx_process_aen(ha, FLUSH_DDB_CHANGED_AENS); |
| 3429 | qla4xxx_abort_active_cmds(ha, DID_RESET << 16); |
| 3430 | } else { |
| 3431 | /* If the stop_firmware fails then |
| 3432 | * reset the entire chip */ |
| 3433 | reset_chip = 1; |
| 3434 | clear_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags); |
| 3435 | set_bit(DPC_RESET_HA, &ha->dpc_flags); |
| 3436 | } |
| 3437 | } |
| 3438 | |
| 3439 | /* Issue full chip reset if recovering from a catastrophic error, |
Vikas Chaudhary | 6e7b429 | 2012-08-22 07:55:08 -0400 | [diff] [blame] | 3440 | * or if stop_firmware fails for ISP-8xxx. |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 3441 | * This is the default case for ISP-4xxx */ |
Vikas Chaudhary | ee996a6 | 2012-08-22 07:55:05 -0400 | [diff] [blame] | 3442 | if (is_qla40XX(ha) || reset_chip) { |
| 3443 | if (is_qla40XX(ha)) |
Shyam Sunder | 9ee91a3 | 2011-12-01 22:42:13 -0800 | [diff] [blame] | 3444 | goto chip_reset; |
| 3445 | |
Vikas Chaudhary | 6e7b429 | 2012-08-22 07:55:08 -0400 | [diff] [blame] | 3446 | /* Check if 8XXX firmware is alive or not |
Shyam Sunder | 9ee91a3 | 2011-12-01 22:42:13 -0800 | [diff] [blame] | 3447 | * We may have arrived here from NEED_RESET |
| 3448 | * detection only */ |
| 3449 | if (test_bit(AF_FW_RECOVERY, &ha->flags)) |
| 3450 | goto chip_reset; |
| 3451 | |
| 3452 | wait = jiffies + (FW_ALIVE_WAIT_TOV * HZ); |
| 3453 | while (time_before(jiffies, wait)) { |
| 3454 | if (qla4_8xxx_check_fw_alive(ha)) { |
| 3455 | qla4xxx_mailbox_premature_completion(ha); |
| 3456 | break; |
| 3457 | } |
| 3458 | |
| 3459 | set_current_state(TASK_UNINTERRUPTIBLE); |
| 3460 | schedule_timeout(HZ); |
| 3461 | } |
Vikas Chaudhary | da10621 | 2012-08-22 07:45:26 -0400 | [diff] [blame] | 3462 | chip_reset: |
Nilesh Javali | 2bd1e2b | 2010-10-06 22:49:20 -0700 | [diff] [blame] | 3463 | if (!test_bit(AF_FW_RECOVERY, &ha->flags)) |
| 3464 | qla4xxx_cmd_wait(ha); |
Vikas Chaudhary | da10621 | 2012-08-22 07:45:26 -0400 | [diff] [blame] | 3465 | |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 3466 | qla4xxx_process_aen(ha, FLUSH_DDB_CHANGED_AENS); |
| 3467 | qla4xxx_abort_active_cmds(ha, DID_RESET << 16); |
| 3468 | DEBUG2(ql4_printk(KERN_INFO, ha, |
| 3469 | "scsi%ld: %s - Performing chip reset..\n", |
| 3470 | ha->host_no, __func__)); |
| 3471 | status = ha->isp_ops->reset_chip(ha); |
| 3472 | } |
| 3473 | |
| 3474 | /* Flush any pending ddb changed AENs */ |
| 3475 | qla4xxx_process_aen(ha, FLUSH_DDB_CHANGED_AENS); |
| 3476 | |
| 3477 | recover_ha_init_adapter: |
| 3478 | /* Upon successful firmware/chip reset, re-initialize the adapter */ |
| 3479 | if (status == QLA_SUCCESS) { |
| 3480 | /* For ISP-4xxx, force function 1 to always initialize |
| 3481 | * before function 3 to prevent both funcions from |
| 3482 | * stepping on top of the other */ |
Vikas Chaudhary | ee996a6 | 2012-08-22 07:55:05 -0400 | [diff] [blame] | 3483 | if (is_qla40XX(ha) && (ha->mac_index == 3)) |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 3484 | ssleep(6); |
| 3485 | |
| 3486 | /* NOTE: AF_ONLINE flag set upon successful completion of |
| 3487 | * qla4xxx_initialize_adapter */ |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 3488 | status = qla4xxx_initialize_adapter(ha, RESET_ADAPTER); |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 3489 | } |
| 3490 | |
| 3491 | /* Retry failed adapter initialization, if necessary |
| 3492 | * Do not retry initialize_adapter for RESET_HA_INTR (ISP-4xxx specific) |
| 3493 | * case to prevent ping-pong resets between functions */ |
| 3494 | if (!test_bit(AF_ONLINE, &ha->flags) && |
| 3495 | !test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags)) { |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 3496 | /* Adapter initialization failed, see if we can retry |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 3497 | * resetting the ha. |
| 3498 | * Since we don't want to block the DPC for too long |
| 3499 | * with multiple resets in the same thread, |
| 3500 | * utilize DPC to retry */ |
Vikas Chaudhary | 6e7b429 | 2012-08-22 07:55:08 -0400 | [diff] [blame] | 3501 | if (is_qla80XX(ha)) { |
Vikas Chaudhary | 33693c7 | 2012-08-22 07:55:04 -0400 | [diff] [blame] | 3502 | ha->isp_ops->idc_lock(ha); |
| 3503 | dev_state = qla4_8xxx_rd_direct(ha, |
| 3504 | QLA8XXX_CRB_DEV_STATE); |
| 3505 | ha->isp_ops->idc_unlock(ha); |
Vikas Chaudhary | de8c72d | 2012-08-22 09:14:24 -0400 | [diff] [blame] | 3506 | if (dev_state == QLA8XXX_DEV_FAILED) { |
Sarang Radke | 8e0f3a6 | 2011-12-01 22:42:09 -0800 | [diff] [blame] | 3507 | ql4_printk(KERN_INFO, ha, "%s: don't retry " |
| 3508 | "recover adapter. H/W is in Failed " |
| 3509 | "state\n", __func__); |
| 3510 | qla4xxx_dead_adapter_cleanup(ha); |
| 3511 | clear_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags); |
| 3512 | clear_bit(DPC_RESET_HA, &ha->dpc_flags); |
| 3513 | clear_bit(DPC_RESET_HA_FW_CONTEXT, |
| 3514 | &ha->dpc_flags); |
| 3515 | status = QLA_ERROR; |
| 3516 | |
| 3517 | goto exit_recover; |
| 3518 | } |
| 3519 | } |
| 3520 | |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 3521 | if (!test_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags)) { |
| 3522 | ha->retry_reset_ha_cnt = MAX_RESET_HA_RETRIES; |
| 3523 | DEBUG2(printk("scsi%ld: recover adapter - retrying " |
| 3524 | "(%d) more times\n", ha->host_no, |
| 3525 | ha->retry_reset_ha_cnt)); |
| 3526 | set_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags); |
| 3527 | status = QLA_ERROR; |
| 3528 | } else { |
| 3529 | if (ha->retry_reset_ha_cnt > 0) { |
| 3530 | /* Schedule another Reset HA--DPC will retry */ |
| 3531 | ha->retry_reset_ha_cnt--; |
| 3532 | DEBUG2(printk("scsi%ld: recover adapter - " |
| 3533 | "retry remaining %d\n", |
| 3534 | ha->host_no, |
| 3535 | ha->retry_reset_ha_cnt)); |
| 3536 | status = QLA_ERROR; |
| 3537 | } |
| 3538 | |
| 3539 | if (ha->retry_reset_ha_cnt == 0) { |
| 3540 | /* Recover adapter retries have been exhausted. |
| 3541 | * Adapter DEAD */ |
| 3542 | DEBUG2(printk("scsi%ld: recover adapter " |
| 3543 | "failed - board disabled\n", |
| 3544 | ha->host_no)); |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 3545 | qla4xxx_dead_adapter_cleanup(ha); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 3546 | clear_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags); |
| 3547 | clear_bit(DPC_RESET_HA, &ha->dpc_flags); |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 3548 | clear_bit(DPC_RESET_HA_FW_CONTEXT, |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 3549 | &ha->dpc_flags); |
| 3550 | status = QLA_ERROR; |
| 3551 | } |
| 3552 | } |
| 3553 | } else { |
| 3554 | clear_bit(DPC_RESET_HA, &ha->dpc_flags); |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 3555 | clear_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 3556 | clear_bit(DPC_RETRY_RESET_HA, &ha->dpc_flags); |
| 3557 | } |
| 3558 | |
Sarang Radke | 8e0f3a6 | 2011-12-01 22:42:09 -0800 | [diff] [blame] | 3559 | exit_recover: |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 3560 | ha->adapter_error_count++; |
| 3561 | |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 3562 | if (test_bit(AF_ONLINE, &ha->flags)) |
| 3563 | ha->isp_ops->enable_intrs(ha); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 3564 | |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 3565 | scsi_unblock_requests(ha->host); |
| 3566 | |
| 3567 | clear_bit(DPC_RESET_ACTIVE, &ha->dpc_flags); |
| 3568 | DEBUG2(printk("scsi%ld: recover adapter: %s\n", ha->host_no, |
Lucas De Marchi | 25985ed | 2011-03-30 22:57:33 -0300 | [diff] [blame] | 3569 | status == QLA_ERROR ? "FAILED" : "SUCCEEDED")); |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 3570 | |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 3571 | return status; |
| 3572 | } |
| 3573 | |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 3574 | static void qla4xxx_relogin_devices(struct iscsi_cls_session *cls_session) |
Vikas Chaudhary | 2d7924e | 2011-03-21 03:34:33 -0700 | [diff] [blame] | 3575 | { |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 3576 | struct iscsi_session *sess; |
| 3577 | struct ddb_entry *ddb_entry; |
| 3578 | struct scsi_qla_host *ha; |
Vikas Chaudhary | 2d7924e | 2011-03-21 03:34:33 -0700 | [diff] [blame] | 3579 | |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 3580 | sess = cls_session->dd_data; |
| 3581 | ddb_entry = sess->dd_data; |
| 3582 | ha = ddb_entry->ha; |
| 3583 | if (!iscsi_is_session_online(cls_session)) { |
| 3584 | if (ddb_entry->fw_ddb_device_state == DDB_DS_SESSION_ACTIVE) { |
| 3585 | ql4_printk(KERN_INFO, ha, "scsi%ld: %s: ddb[%d]" |
| 3586 | " unblock session\n", ha->host_no, __func__, |
| 3587 | ddb_entry->fw_ddb_index); |
| 3588 | iscsi_unblock_session(ddb_entry->sess); |
| 3589 | } else { |
| 3590 | /* Trigger relogin */ |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 3591 | if (ddb_entry->ddb_type == FLASH_DDB) { |
Adheer Chandravanshi | 99c6a33 | 2013-07-08 08:33:05 -0400 | [diff] [blame] | 3592 | if (!(test_bit(DF_RELOGIN, &ddb_entry->flags) || |
| 3593 | test_bit(DF_DISABLE_RELOGIN, |
| 3594 | &ddb_entry->flags))) |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 3595 | qla4xxx_arm_relogin_timer(ddb_entry); |
| 3596 | } else |
| 3597 | iscsi_session_failure(cls_session->dd_data, |
| 3598 | ISCSI_ERR_CONN_FAILED); |
Vikas Chaudhary | 2d7924e | 2011-03-21 03:34:33 -0700 | [diff] [blame] | 3599 | } |
| 3600 | } |
| 3601 | } |
| 3602 | |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 3603 | int qla4xxx_unblock_flash_ddb(struct iscsi_cls_session *cls_session) |
| 3604 | { |
| 3605 | struct iscsi_session *sess; |
| 3606 | struct ddb_entry *ddb_entry; |
| 3607 | struct scsi_qla_host *ha; |
| 3608 | |
| 3609 | sess = cls_session->dd_data; |
| 3610 | ddb_entry = sess->dd_data; |
| 3611 | ha = ddb_entry->ha; |
| 3612 | ql4_printk(KERN_INFO, ha, "scsi%ld: %s: ddb[%d]" |
| 3613 | " unblock session\n", ha->host_no, __func__, |
| 3614 | ddb_entry->fw_ddb_index); |
| 3615 | |
| 3616 | iscsi_unblock_session(ddb_entry->sess); |
| 3617 | |
| 3618 | /* Start scan target */ |
| 3619 | if (test_bit(AF_ONLINE, &ha->flags)) { |
| 3620 | ql4_printk(KERN_INFO, ha, "scsi%ld: %s: ddb[%d]" |
| 3621 | " start scan\n", ha->host_no, __func__, |
| 3622 | ddb_entry->fw_ddb_index); |
| 3623 | scsi_queue_work(ha->host, &ddb_entry->sess->scan_work); |
| 3624 | } |
| 3625 | return QLA_SUCCESS; |
| 3626 | } |
| 3627 | |
| 3628 | int qla4xxx_unblock_ddb(struct iscsi_cls_session *cls_session) |
| 3629 | { |
| 3630 | struct iscsi_session *sess; |
| 3631 | struct ddb_entry *ddb_entry; |
| 3632 | struct scsi_qla_host *ha; |
Manish Rangankar | 80c53e6 | 2012-08-07 07:57:15 -0400 | [diff] [blame] | 3633 | int status = QLA_SUCCESS; |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 3634 | |
| 3635 | sess = cls_session->dd_data; |
| 3636 | ddb_entry = sess->dd_data; |
| 3637 | ha = ddb_entry->ha; |
| 3638 | ql4_printk(KERN_INFO, ha, "scsi%ld: %s: ddb[%d]" |
| 3639 | " unblock user space session\n", ha->host_no, __func__, |
| 3640 | ddb_entry->fw_ddb_index); |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 3641 | |
Manish Rangankar | 80c53e6 | 2012-08-07 07:57:15 -0400 | [diff] [blame] | 3642 | if (!iscsi_is_session_online(cls_session)) { |
| 3643 | iscsi_conn_start(ddb_entry->conn); |
| 3644 | iscsi_conn_login_event(ddb_entry->conn, |
| 3645 | ISCSI_CONN_STATE_LOGGED_IN); |
| 3646 | } else { |
| 3647 | ql4_printk(KERN_INFO, ha, |
| 3648 | "scsi%ld: %s: ddb[%d] session [%d] already logged in\n", |
| 3649 | ha->host_no, __func__, ddb_entry->fw_ddb_index, |
| 3650 | cls_session->sid); |
| 3651 | status = QLA_ERROR; |
| 3652 | } |
| 3653 | |
| 3654 | return status; |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 3655 | } |
| 3656 | |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 3657 | static void qla4xxx_relogin_all_devices(struct scsi_qla_host *ha) |
| 3658 | { |
| 3659 | iscsi_host_for_each_session(ha->host, qla4xxx_relogin_devices); |
| 3660 | } |
| 3661 | |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 3662 | static void qla4xxx_relogin_flash_ddb(struct iscsi_cls_session *cls_sess) |
| 3663 | { |
| 3664 | uint16_t relogin_timer; |
| 3665 | struct iscsi_session *sess; |
| 3666 | struct ddb_entry *ddb_entry; |
| 3667 | struct scsi_qla_host *ha; |
| 3668 | |
| 3669 | sess = cls_sess->dd_data; |
| 3670 | ddb_entry = sess->dd_data; |
| 3671 | ha = ddb_entry->ha; |
| 3672 | |
| 3673 | relogin_timer = max(ddb_entry->default_relogin_timeout, |
| 3674 | (uint16_t)RELOGIN_TOV); |
| 3675 | atomic_set(&ddb_entry->relogin_timer, relogin_timer); |
| 3676 | |
| 3677 | DEBUG2(ql4_printk(KERN_INFO, ha, |
| 3678 | "scsi%ld: Relogin index [%d]. TOV=%d\n", ha->host_no, |
| 3679 | ddb_entry->fw_ddb_index, relogin_timer)); |
| 3680 | |
| 3681 | qla4xxx_login_flash_ddb(cls_sess); |
| 3682 | } |
| 3683 | |
| 3684 | static void qla4xxx_dpc_relogin(struct iscsi_cls_session *cls_sess) |
| 3685 | { |
| 3686 | struct iscsi_session *sess; |
| 3687 | struct ddb_entry *ddb_entry; |
| 3688 | struct scsi_qla_host *ha; |
| 3689 | |
| 3690 | sess = cls_sess->dd_data; |
| 3691 | ddb_entry = sess->dd_data; |
| 3692 | ha = ddb_entry->ha; |
| 3693 | |
| 3694 | if (!(ddb_entry->ddb_type == FLASH_DDB)) |
| 3695 | return; |
| 3696 | |
Adheer Chandravanshi | 99c6a33 | 2013-07-08 08:33:05 -0400 | [diff] [blame] | 3697 | if (test_bit(DF_DISABLE_RELOGIN, &ddb_entry->flags)) |
| 3698 | return; |
| 3699 | |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 3700 | if (test_and_clear_bit(DF_RELOGIN, &ddb_entry->flags) && |
| 3701 | !iscsi_is_session_online(cls_sess)) { |
| 3702 | DEBUG2(ql4_printk(KERN_INFO, ha, |
| 3703 | "relogin issued\n")); |
| 3704 | qla4xxx_relogin_flash_ddb(cls_sess); |
| 3705 | } |
| 3706 | } |
| 3707 | |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 3708 | void qla4xxx_wake_dpc(struct scsi_qla_host *ha) |
| 3709 | { |
Lalit Chandivade | 1b46807 | 2011-05-17 23:17:09 -0700 | [diff] [blame] | 3710 | if (ha->dpc_thread) |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 3711 | queue_work(ha->dpc_thread, &ha->dpc_work); |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 3712 | } |
| 3713 | |
Vikas Chaudhary | ff88443 | 2011-08-29 23:43:02 +0530 | [diff] [blame] | 3714 | static struct qla4_work_evt * |
| 3715 | qla4xxx_alloc_work(struct scsi_qla_host *ha, uint32_t data_size, |
| 3716 | enum qla4_work_type type) |
| 3717 | { |
| 3718 | struct qla4_work_evt *e; |
| 3719 | uint32_t size = sizeof(struct qla4_work_evt) + data_size; |
| 3720 | |
| 3721 | e = kzalloc(size, GFP_ATOMIC); |
| 3722 | if (!e) |
| 3723 | return NULL; |
| 3724 | |
| 3725 | INIT_LIST_HEAD(&e->list); |
| 3726 | e->type = type; |
| 3727 | return e; |
| 3728 | } |
| 3729 | |
| 3730 | static void qla4xxx_post_work(struct scsi_qla_host *ha, |
| 3731 | struct qla4_work_evt *e) |
| 3732 | { |
| 3733 | unsigned long flags; |
| 3734 | |
| 3735 | spin_lock_irqsave(&ha->work_lock, flags); |
| 3736 | list_add_tail(&e->list, &ha->work_list); |
| 3737 | spin_unlock_irqrestore(&ha->work_lock, flags); |
| 3738 | qla4xxx_wake_dpc(ha); |
| 3739 | } |
| 3740 | |
| 3741 | int qla4xxx_post_aen_work(struct scsi_qla_host *ha, |
| 3742 | enum iscsi_host_event_code aen_code, |
| 3743 | uint32_t data_size, uint8_t *data) |
| 3744 | { |
| 3745 | struct qla4_work_evt *e; |
| 3746 | |
| 3747 | e = qla4xxx_alloc_work(ha, data_size, QLA4_EVENT_AEN); |
| 3748 | if (!e) |
| 3749 | return QLA_ERROR; |
| 3750 | |
| 3751 | e->u.aen.code = aen_code; |
| 3752 | e->u.aen.data_size = data_size; |
| 3753 | memcpy(e->u.aen.data, data, data_size); |
| 3754 | |
| 3755 | qla4xxx_post_work(ha, e); |
| 3756 | |
| 3757 | return QLA_SUCCESS; |
| 3758 | } |
| 3759 | |
Vikas Chaudhary | c0b9d3f | 2012-02-13 18:30:49 +0530 | [diff] [blame] | 3760 | int qla4xxx_post_ping_evt_work(struct scsi_qla_host *ha, |
| 3761 | uint32_t status, uint32_t pid, |
| 3762 | uint32_t data_size, uint8_t *data) |
| 3763 | { |
| 3764 | struct qla4_work_evt *e; |
| 3765 | |
| 3766 | e = qla4xxx_alloc_work(ha, data_size, QLA4_EVENT_PING_STATUS); |
| 3767 | if (!e) |
| 3768 | return QLA_ERROR; |
| 3769 | |
| 3770 | e->u.ping.status = status; |
| 3771 | e->u.ping.pid = pid; |
| 3772 | e->u.ping.data_size = data_size; |
| 3773 | memcpy(e->u.ping.data, data, data_size); |
| 3774 | |
| 3775 | qla4xxx_post_work(ha, e); |
| 3776 | |
| 3777 | return QLA_SUCCESS; |
| 3778 | } |
| 3779 | |
Vikas Chaudhary | a7380a6 | 2012-02-27 03:08:56 -0800 | [diff] [blame] | 3780 | static void qla4xxx_do_work(struct scsi_qla_host *ha) |
Vikas Chaudhary | ff88443 | 2011-08-29 23:43:02 +0530 | [diff] [blame] | 3781 | { |
| 3782 | struct qla4_work_evt *e, *tmp; |
| 3783 | unsigned long flags; |
| 3784 | LIST_HEAD(work); |
| 3785 | |
| 3786 | spin_lock_irqsave(&ha->work_lock, flags); |
| 3787 | list_splice_init(&ha->work_list, &work); |
| 3788 | spin_unlock_irqrestore(&ha->work_lock, flags); |
| 3789 | |
| 3790 | list_for_each_entry_safe(e, tmp, &work, list) { |
| 3791 | list_del_init(&e->list); |
| 3792 | |
| 3793 | switch (e->type) { |
| 3794 | case QLA4_EVENT_AEN: |
| 3795 | iscsi_post_host_event(ha->host_no, |
| 3796 | &qla4xxx_iscsi_transport, |
| 3797 | e->u.aen.code, |
| 3798 | e->u.aen.data_size, |
| 3799 | e->u.aen.data); |
| 3800 | break; |
Vikas Chaudhary | c0b9d3f | 2012-02-13 18:30:49 +0530 | [diff] [blame] | 3801 | case QLA4_EVENT_PING_STATUS: |
| 3802 | iscsi_ping_comp_event(ha->host_no, |
| 3803 | &qla4xxx_iscsi_transport, |
| 3804 | e->u.ping.status, |
| 3805 | e->u.ping.pid, |
| 3806 | e->u.ping.data_size, |
| 3807 | e->u.ping.data); |
| 3808 | break; |
Vikas Chaudhary | ff88443 | 2011-08-29 23:43:02 +0530 | [diff] [blame] | 3809 | default: |
| 3810 | ql4_printk(KERN_WARNING, ha, "event type: 0x%x not " |
| 3811 | "supported", e->type); |
| 3812 | } |
| 3813 | kfree(e); |
| 3814 | } |
| 3815 | } |
| 3816 | |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 3817 | /** |
| 3818 | * qla4xxx_do_dpc - dpc routine |
| 3819 | * @data: in our case pointer to adapter structure |
| 3820 | * |
| 3821 | * This routine is a task that is schedule by the interrupt handler |
| 3822 | * to perform the background processing for interrupts. We put it |
| 3823 | * on a task queue that is consumed whenever the scheduler runs; that's |
| 3824 | * so you can do anything (i.e. put the process to sleep etc). In fact, |
| 3825 | * the mid-level tries to sleep when it reaches the driver threshold |
| 3826 | * "host->can_queue". This can cause a panic if we were in our interrupt code. |
| 3827 | **/ |
David Howells | c402895 | 2006-11-22 14:57:56 +0000 | [diff] [blame] | 3828 | static void qla4xxx_do_dpc(struct work_struct *work) |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 3829 | { |
David Howells | c402895 | 2006-11-22 14:57:56 +0000 | [diff] [blame] | 3830 | struct scsi_qla_host *ha = |
| 3831 | container_of(work, struct scsi_qla_host, dpc_work); |
David C Somayajulu | 477ffb9 | 2007-01-22 12:26:11 -0800 | [diff] [blame] | 3832 | int status = QLA_ERROR; |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 3833 | |
David C Somayajulu | f26b904 | 2006-11-15 16:41:09 -0800 | [diff] [blame] | 3834 | DEBUG2(printk("scsi%ld: %s: DPC handler waking up." |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 3835 | "flags = 0x%08lx, dpc_flags = 0x%08lx\n", |
| 3836 | ha->host_no, __func__, ha->flags, ha->dpc_flags)) |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 3837 | |
| 3838 | /* Initialization not yet finished. Don't do anything yet. */ |
| 3839 | if (!test_bit(AF_INIT_DONE, &ha->flags)) |
Lalit Chandivade | 1b46807 | 2011-05-17 23:17:09 -0700 | [diff] [blame] | 3840 | return; |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 3841 | |
Lalit Chandivade | 2232be0 | 2010-07-30 14:38:47 +0530 | [diff] [blame] | 3842 | if (test_bit(AF_EEH_BUSY, &ha->flags)) { |
| 3843 | DEBUG2(printk(KERN_INFO "scsi%ld: %s: flags = %lx\n", |
| 3844 | ha->host_no, __func__, ha->flags)); |
Lalit Chandivade | 1b46807 | 2011-05-17 23:17:09 -0700 | [diff] [blame] | 3845 | return; |
Lalit Chandivade | 2232be0 | 2010-07-30 14:38:47 +0530 | [diff] [blame] | 3846 | } |
| 3847 | |
Vikas Chaudhary | ff88443 | 2011-08-29 23:43:02 +0530 | [diff] [blame] | 3848 | /* post events to application */ |
| 3849 | qla4xxx_do_work(ha); |
| 3850 | |
Vikas Chaudhary | 6e7b429 | 2012-08-22 07:55:08 -0400 | [diff] [blame] | 3851 | if (is_qla80XX(ha)) { |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 3852 | if (test_bit(DPC_HA_UNRECOVERABLE, &ha->dpc_flags)) { |
Vikas Chaudhary | b37ca41 | 2013-08-16 07:03:02 -0400 | [diff] [blame] | 3853 | if (is_qla8032(ha) || is_qla8042(ha)) { |
Tej Parkash | 546fef2 | 2012-09-20 07:35:12 -0400 | [diff] [blame] | 3854 | ql4_printk(KERN_INFO, ha, "%s: disabling pause transmit on port 0 & 1.\n", |
| 3855 | __func__); |
| 3856 | /* disable pause frame for ISP83xx */ |
| 3857 | qla4_83xx_disable_pause(ha); |
| 3858 | } |
| 3859 | |
Vikas Chaudhary | 33693c7 | 2012-08-22 07:55:04 -0400 | [diff] [blame] | 3860 | ha->isp_ops->idc_lock(ha); |
| 3861 | qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DEV_STATE, |
| 3862 | QLA8XXX_DEV_FAILED); |
| 3863 | ha->isp_ops->idc_unlock(ha); |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 3864 | ql4_printk(KERN_INFO, ha, "HW State: FAILED\n"); |
| 3865 | qla4_8xxx_device_state_handler(ha); |
| 3866 | } |
Nilesh Javali | 320a61d | 2012-09-20 07:35:10 -0400 | [diff] [blame] | 3867 | |
Nilesh Javali | 7ab284c | 2013-08-16 07:03:03 -0400 | [diff] [blame] | 3868 | if (test_bit(DPC_POST_IDC_ACK, &ha->dpc_flags)) { |
| 3869 | if (is_qla8042(ha)) { |
| 3870 | if (ha->idc_info.info2 & |
| 3871 | ENABLE_INTERNAL_LOOPBACK) { |
| 3872 | ql4_printk(KERN_INFO, ha, "%s: Disabling ACB\n", |
| 3873 | __func__); |
| 3874 | status = qla4_84xx_config_acb(ha, |
| 3875 | ACB_CONFIG_DISABLE); |
| 3876 | if (status != QLA_SUCCESS) { |
| 3877 | ql4_printk(KERN_INFO, ha, "%s: ACB config failed\n", |
| 3878 | __func__); |
| 3879 | } |
| 3880 | } |
| 3881 | } |
Nilesh Javali | 320a61d | 2012-09-20 07:35:10 -0400 | [diff] [blame] | 3882 | qla4_83xx_post_idc_ack(ha); |
Nilesh Javali | 7ab284c | 2013-08-16 07:03:03 -0400 | [diff] [blame] | 3883 | clear_bit(DPC_POST_IDC_ACK, &ha->dpc_flags); |
| 3884 | } |
| 3885 | |
| 3886 | if (is_qla8042(ha) && |
| 3887 | test_bit(DPC_RESTORE_ACB, &ha->dpc_flags)) { |
| 3888 | ql4_printk(KERN_INFO, ha, "%s: Restoring ACB\n", |
| 3889 | __func__); |
| 3890 | if (qla4_84xx_config_acb(ha, ACB_CONFIG_SET) != |
| 3891 | QLA_SUCCESS) { |
| 3892 | ql4_printk(KERN_INFO, ha, "%s: ACB config failed ", |
| 3893 | __func__); |
| 3894 | } |
| 3895 | clear_bit(DPC_RESTORE_ACB, &ha->dpc_flags); |
| 3896 | } |
Nilesh Javali | 320a61d | 2012-09-20 07:35:10 -0400 | [diff] [blame] | 3897 | |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 3898 | if (test_and_clear_bit(DPC_HA_NEED_QUIESCENT, &ha->dpc_flags)) { |
| 3899 | qla4_8xxx_need_qsnt_handler(ha); |
| 3900 | } |
| 3901 | } |
| 3902 | |
| 3903 | if (!test_bit(DPC_RESET_ACTIVE, &ha->dpc_flags) && |
| 3904 | (test_bit(DPC_RESET_HA, &ha->dpc_flags) || |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 3905 | test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags) || |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 3906 | test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags))) { |
Vikas Chaudhary | 6e7b429 | 2012-08-22 07:55:08 -0400 | [diff] [blame] | 3907 | if ((is_qla8022(ha) && ql4xdontresethba) || |
Vikas Chaudhary | b37ca41 | 2013-08-16 07:03:02 -0400 | [diff] [blame] | 3908 | ((is_qla8032(ha) || is_qla8042(ha)) && |
| 3909 | qla4_83xx_idc_dontreset(ha))) { |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 3910 | DEBUG2(printk("scsi%ld: %s: Don't Reset HBA\n", |
| 3911 | ha->host_no, __func__)); |
| 3912 | clear_bit(DPC_RESET_HA, &ha->dpc_flags); |
| 3913 | clear_bit(DPC_RESET_HA_INTR, &ha->dpc_flags); |
| 3914 | clear_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags); |
| 3915 | goto dpc_post_reset_ha; |
| 3916 | } |
| 3917 | if (test_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags) || |
| 3918 | test_bit(DPC_RESET_HA, &ha->dpc_flags)) |
| 3919 | qla4xxx_recover_adapter(ha); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 3920 | |
David C Somayajulu | 477ffb9 | 2007-01-22 12:26:11 -0800 | [diff] [blame] | 3921 | if (test_bit(DPC_RESET_HA_INTR, &ha->dpc_flags)) { |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 3922 | uint8_t wait_time = RESET_INTR_TOV; |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 3923 | |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 3924 | while ((readw(&ha->reg->ctrl_status) & |
| 3925 | (CSR_SOFT_RESET | CSR_FORCE_SOFT_RESET)) != 0) { |
| 3926 | if (--wait_time == 0) |
| 3927 | break; |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 3928 | msleep(1000); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 3929 | } |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 3930 | if (wait_time == 0) |
| 3931 | DEBUG2(printk("scsi%ld: %s: SR|FSR " |
| 3932 | "bit not cleared-- resetting\n", |
| 3933 | ha->host_no, __func__)); |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 3934 | qla4xxx_abort_active_cmds(ha, DID_RESET << 16); |
David C Somayajulu | 477ffb9 | 2007-01-22 12:26:11 -0800 | [diff] [blame] | 3935 | if (ql4xxx_lock_drvr_wait(ha) == QLA_SUCCESS) { |
| 3936 | qla4xxx_process_aen(ha, FLUSH_DDB_CHANGED_AENS); |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 3937 | status = qla4xxx_recover_adapter(ha); |
David C Somayajulu | 477ffb9 | 2007-01-22 12:26:11 -0800 | [diff] [blame] | 3938 | } |
| 3939 | clear_bit(DPC_RESET_HA_INTR, &ha->dpc_flags); |
| 3940 | if (status == QLA_SUCCESS) |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 3941 | ha->isp_ops->enable_intrs(ha); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 3942 | } |
| 3943 | } |
| 3944 | |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 3945 | dpc_post_reset_ha: |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 3946 | /* ---- process AEN? --- */ |
| 3947 | if (test_and_clear_bit(DPC_AEN, &ha->dpc_flags)) |
| 3948 | qla4xxx_process_aen(ha, PROCESS_ALL_AENS); |
| 3949 | |
| 3950 | /* ---- Get DHCP IP Address? --- */ |
| 3951 | if (test_and_clear_bit(DPC_GET_DHCP_IP_ADDR, &ha->dpc_flags)) |
| 3952 | qla4xxx_get_dhcp_ip_address(ha); |
| 3953 | |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 3954 | /* ---- relogin device? --- */ |
| 3955 | if (adapter_up(ha) && |
| 3956 | test_and_clear_bit(DPC_RELOGIN_DEVICE, &ha->dpc_flags)) { |
| 3957 | iscsi_host_for_each_session(ha->host, qla4xxx_dpc_relogin); |
| 3958 | } |
| 3959 | |
Vikas Chaudhary | 065aa1b | 2010-04-28 11:38:11 +0530 | [diff] [blame] | 3960 | /* ---- link change? --- */ |
Nilesh Javali | 026fbd3 | 2013-01-20 23:50:58 -0500 | [diff] [blame] | 3961 | if (!test_bit(AF_LOOPBACK, &ha->flags) && |
| 3962 | test_and_clear_bit(DPC_LINK_CHANGED, &ha->dpc_flags)) { |
Vikas Chaudhary | 065aa1b | 2010-04-28 11:38:11 +0530 | [diff] [blame] | 3963 | if (!test_bit(AF_LINK_UP, &ha->flags)) { |
| 3964 | /* ---- link down? --- */ |
Vikas Chaudhary | 2d7924e | 2011-03-21 03:34:33 -0700 | [diff] [blame] | 3965 | qla4xxx_mark_all_devices_missing(ha); |
Vikas Chaudhary | 065aa1b | 2010-04-28 11:38:11 +0530 | [diff] [blame] | 3966 | } else { |
| 3967 | /* ---- link up? --- * |
| 3968 | * F/W will auto login to all devices ONLY ONCE after |
| 3969 | * link up during driver initialization and runtime |
| 3970 | * fatal error recovery. Therefore, the driver must |
| 3971 | * manually relogin to devices when recovering from |
| 3972 | * connection failures, logouts, expired KATO, etc. */ |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 3973 | if (test_and_clear_bit(AF_BUILD_DDB_LIST, &ha->flags)) { |
| 3974 | qla4xxx_build_ddb_list(ha, ha->is_reset); |
| 3975 | iscsi_host_for_each_session(ha->host, |
| 3976 | qla4xxx_login_flash_ddb); |
| 3977 | } else |
| 3978 | qla4xxx_relogin_all_devices(ha); |
Vikas Chaudhary | 065aa1b | 2010-04-28 11:38:11 +0530 | [diff] [blame] | 3979 | } |
| 3980 | } |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 3981 | } |
| 3982 | |
| 3983 | /** |
| 3984 | * qla4xxx_free_adapter - release the adapter |
| 3985 | * @ha: pointer to adapter structure |
| 3986 | **/ |
| 3987 | static void qla4xxx_free_adapter(struct scsi_qla_host *ha) |
| 3988 | { |
Sarang Radke | 8a28896 | 2011-12-06 02:34:10 -0800 | [diff] [blame] | 3989 | qla4xxx_abort_active_cmds(ha, DID_NO_CONNECT << 16); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 3990 | |
Vikas Chaudhary | 5c19b92 | 2012-11-23 06:58:38 -0500 | [diff] [blame] | 3991 | /* Turn-off interrupts on the card. */ |
| 3992 | ha->isp_ops->disable_intrs(ha); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 3993 | |
Vikas Chaudhary | d9e62e5 | 2012-08-22 07:45:25 -0400 | [diff] [blame] | 3994 | if (is_qla40XX(ha)) { |
| 3995 | writel(set_rmask(CSR_SCSI_PROCESSOR_INTR), |
| 3996 | &ha->reg->ctrl_status); |
| 3997 | readl(&ha->reg->ctrl_status); |
| 3998 | } else if (is_qla8022(ha)) { |
Vikas Chaudhary | 7664a1f | 2012-08-22 07:55:00 -0400 | [diff] [blame] | 3999 | writel(0, &ha->qla4_82xx_reg->host_int); |
| 4000 | readl(&ha->qla4_82xx_reg->host_int); |
Vikas Chaudhary | b37ca41 | 2013-08-16 07:03:02 -0400 | [diff] [blame] | 4001 | } else if (is_qla8032(ha) || is_qla8042(ha)) { |
Vikas Chaudhary | fbd8107 | 2012-09-20 07:35:03 -0400 | [diff] [blame] | 4002 | writel(0, &ha->qla4_83xx_reg->risc_intr); |
| 4003 | readl(&ha->qla4_83xx_reg->risc_intr); |
Vikas Chaudhary | d9e62e5 | 2012-08-22 07:45:25 -0400 | [diff] [blame] | 4004 | } |
| 4005 | |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 4006 | /* Remove timer thread, if present */ |
| 4007 | if (ha->timer_active) |
| 4008 | qla4xxx_stop_timer(ha); |
| 4009 | |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 4010 | /* Kill the kernel thread for this host */ |
| 4011 | if (ha->dpc_thread) |
| 4012 | destroy_workqueue(ha->dpc_thread); |
| 4013 | |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 4014 | /* Kill the kernel thread for this host */ |
| 4015 | if (ha->task_wq) |
| 4016 | destroy_workqueue(ha->task_wq); |
| 4017 | |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 4018 | /* Put firmware in known state */ |
| 4019 | ha->isp_ops->reset_firmware(ha); |
| 4020 | |
Vikas Chaudhary | 6e7b429 | 2012-08-22 07:55:08 -0400 | [diff] [blame] | 4021 | if (is_qla80XX(ha)) { |
Vikas Chaudhary | 33693c7 | 2012-08-22 07:55:04 -0400 | [diff] [blame] | 4022 | ha->isp_ops->idc_lock(ha); |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 4023 | qla4_8xxx_clear_drv_active(ha); |
Vikas Chaudhary | 33693c7 | 2012-08-22 07:55:04 -0400 | [diff] [blame] | 4024 | ha->isp_ops->idc_unlock(ha); |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 4025 | } |
| 4026 | |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 4027 | /* Detach interrupts */ |
Vikas Chaudhary | 5c19b92 | 2012-11-23 06:58:38 -0500 | [diff] [blame] | 4028 | qla4xxx_free_irqs(ha); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 4029 | |
David C Somayajulu | bee4fe8 | 2007-05-23 18:03:32 -0700 | [diff] [blame] | 4030 | /* free extra memory */ |
| 4031 | qla4xxx_mem_free(ha); |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 4032 | } |
David C Somayajulu | bee4fe8 | 2007-05-23 18:03:32 -0700 | [diff] [blame] | 4033 | |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 4034 | int qla4_8xxx_iospace_config(struct scsi_qla_host *ha) |
| 4035 | { |
| 4036 | int status = 0; |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 4037 | unsigned long mem_base, mem_len, db_base, db_len; |
| 4038 | struct pci_dev *pdev = ha->pdev; |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 4039 | |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 4040 | status = pci_request_regions(pdev, DRIVER_NAME); |
| 4041 | if (status) { |
| 4042 | printk(KERN_WARNING |
| 4043 | "scsi(%ld) Failed to reserve PIO regions (%s) " |
| 4044 | "status=%d\n", ha->host_no, pci_name(pdev), status); |
| 4045 | goto iospace_error_exit; |
| 4046 | } |
| 4047 | |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 4048 | DEBUG2(printk(KERN_INFO "%s: revision-id=%d\n", |
Sergei Shtylyov | 7d7311c | 2012-03-14 22:04:30 +0300 | [diff] [blame] | 4049 | __func__, pdev->revision)); |
| 4050 | ha->revision_id = pdev->revision; |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 4051 | |
| 4052 | /* remap phys address */ |
| 4053 | mem_base = pci_resource_start(pdev, 0); /* 0 is for BAR 0 */ |
| 4054 | mem_len = pci_resource_len(pdev, 0); |
| 4055 | DEBUG2(printk(KERN_INFO "%s: ioremap from %lx a size of %lx\n", |
| 4056 | __func__, mem_base, mem_len)); |
| 4057 | |
| 4058 | /* mapping of pcibase pointer */ |
| 4059 | ha->nx_pcibase = (unsigned long)ioremap(mem_base, mem_len); |
| 4060 | if (!ha->nx_pcibase) { |
| 4061 | printk(KERN_ERR |
| 4062 | "cannot remap MMIO (%s), aborting\n", pci_name(pdev)); |
| 4063 | pci_release_regions(ha->pdev); |
| 4064 | goto iospace_error_exit; |
| 4065 | } |
| 4066 | |
| 4067 | /* Mapping of IO base pointer, door bell read and write pointer */ |
| 4068 | |
| 4069 | /* mapping of IO base pointer */ |
Vikas Chaudhary | 6e7b429 | 2012-08-22 07:55:08 -0400 | [diff] [blame] | 4070 | if (is_qla8022(ha)) { |
| 4071 | ha->qla4_82xx_reg = (struct device_reg_82xx __iomem *) |
| 4072 | ((uint8_t *)ha->nx_pcibase + 0xbc000 + |
| 4073 | (ha->pdev->devfn << 11)); |
| 4074 | ha->nx_db_wr_ptr = (ha->pdev->devfn == 4 ? QLA82XX_CAM_RAM_DB1 : |
| 4075 | QLA82XX_CAM_RAM_DB2); |
Vikas Chaudhary | b37ca41 | 2013-08-16 07:03:02 -0400 | [diff] [blame] | 4076 | } else if (is_qla8032(ha) || is_qla8042(ha)) { |
Vikas Chaudhary | 6e7b429 | 2012-08-22 07:55:08 -0400 | [diff] [blame] | 4077 | ha->qla4_83xx_reg = (struct device_reg_83xx __iomem *) |
| 4078 | ((uint8_t *)ha->nx_pcibase); |
| 4079 | } |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 4080 | |
| 4081 | db_base = pci_resource_start(pdev, 4); /* doorbell is on bar 4 */ |
| 4082 | db_len = pci_resource_len(pdev, 4); |
| 4083 | |
Shyam Sundar | 2657c80 | 2010-10-06 22:50:29 -0700 | [diff] [blame] | 4084 | return 0; |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 4085 | iospace_error_exit: |
| 4086 | return -ENOMEM; |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 4087 | } |
| 4088 | |
| 4089 | /*** |
| 4090 | * qla4xxx_iospace_config - maps registers |
| 4091 | * @ha: pointer to adapter structure |
| 4092 | * |
| 4093 | * This routines maps HBA's registers from the pci address space |
| 4094 | * into the kernel virtual address space for memory mapped i/o. |
| 4095 | **/ |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 4096 | int qla4xxx_iospace_config(struct scsi_qla_host *ha) |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 4097 | { |
| 4098 | unsigned long pio, pio_len, pio_flags; |
| 4099 | unsigned long mmio, mmio_len, mmio_flags; |
| 4100 | |
| 4101 | pio = pci_resource_start(ha->pdev, 0); |
| 4102 | pio_len = pci_resource_len(ha->pdev, 0); |
| 4103 | pio_flags = pci_resource_flags(ha->pdev, 0); |
| 4104 | if (pio_flags & IORESOURCE_IO) { |
| 4105 | if (pio_len < MIN_IOBASE_LEN) { |
Vikas Chaudhary | c2660df | 2010-07-10 14:51:02 +0530 | [diff] [blame] | 4106 | ql4_printk(KERN_WARNING, ha, |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 4107 | "Invalid PCI I/O region size\n"); |
| 4108 | pio = 0; |
| 4109 | } |
| 4110 | } else { |
Vikas Chaudhary | c2660df | 2010-07-10 14:51:02 +0530 | [diff] [blame] | 4111 | ql4_printk(KERN_WARNING, ha, "region #0 not a PIO resource\n"); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 4112 | pio = 0; |
| 4113 | } |
| 4114 | |
| 4115 | /* Use MMIO operations for all accesses. */ |
| 4116 | mmio = pci_resource_start(ha->pdev, 1); |
| 4117 | mmio_len = pci_resource_len(ha->pdev, 1); |
| 4118 | mmio_flags = pci_resource_flags(ha->pdev, 1); |
| 4119 | |
| 4120 | if (!(mmio_flags & IORESOURCE_MEM)) { |
Vikas Chaudhary | c2660df | 2010-07-10 14:51:02 +0530 | [diff] [blame] | 4121 | ql4_printk(KERN_ERR, ha, |
| 4122 | "region #0 not an MMIO resource, aborting\n"); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 4123 | |
| 4124 | goto iospace_error_exit; |
| 4125 | } |
Vikas Chaudhary | c2660df | 2010-07-10 14:51:02 +0530 | [diff] [blame] | 4126 | |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 4127 | if (mmio_len < MIN_IOBASE_LEN) { |
Vikas Chaudhary | c2660df | 2010-07-10 14:51:02 +0530 | [diff] [blame] | 4128 | ql4_printk(KERN_ERR, ha, |
| 4129 | "Invalid PCI mem region size, aborting\n"); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 4130 | goto iospace_error_exit; |
| 4131 | } |
| 4132 | |
| 4133 | if (pci_request_regions(ha->pdev, DRIVER_NAME)) { |
Vikas Chaudhary | c2660df | 2010-07-10 14:51:02 +0530 | [diff] [blame] | 4134 | ql4_printk(KERN_WARNING, ha, |
| 4135 | "Failed to reserve PIO/MMIO regions\n"); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 4136 | |
| 4137 | goto iospace_error_exit; |
| 4138 | } |
| 4139 | |
| 4140 | ha->pio_address = pio; |
| 4141 | ha->pio_length = pio_len; |
| 4142 | ha->reg = ioremap(mmio, MIN_IOBASE_LEN); |
| 4143 | if (!ha->reg) { |
Vikas Chaudhary | c2660df | 2010-07-10 14:51:02 +0530 | [diff] [blame] | 4144 | ql4_printk(KERN_ERR, ha, |
| 4145 | "cannot remap MMIO, aborting\n"); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 4146 | |
| 4147 | goto iospace_error_exit; |
| 4148 | } |
| 4149 | |
| 4150 | return 0; |
| 4151 | |
| 4152 | iospace_error_exit: |
| 4153 | return -ENOMEM; |
| 4154 | } |
| 4155 | |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 4156 | static struct isp_operations qla4xxx_isp_ops = { |
| 4157 | .iospace_config = qla4xxx_iospace_config, |
| 4158 | .pci_config = qla4xxx_pci_config, |
| 4159 | .disable_intrs = qla4xxx_disable_intrs, |
| 4160 | .enable_intrs = qla4xxx_enable_intrs, |
| 4161 | .start_firmware = qla4xxx_start_firmware, |
| 4162 | .intr_handler = qla4xxx_intr_handler, |
| 4163 | .interrupt_service_routine = qla4xxx_interrupt_service_routine, |
| 4164 | .reset_chip = qla4xxx_soft_reset, |
| 4165 | .reset_firmware = qla4xxx_hw_reset, |
| 4166 | .queue_iocb = qla4xxx_queue_iocb, |
| 4167 | .complete_iocb = qla4xxx_complete_iocb, |
| 4168 | .rd_shdw_req_q_out = qla4xxx_rd_shdw_req_q_out, |
| 4169 | .rd_shdw_rsp_q_in = qla4xxx_rd_shdw_rsp_q_in, |
| 4170 | .get_sys_info = qla4xxx_get_sys_info, |
Vikas Chaudhary | 33693c7 | 2012-08-22 07:55:04 -0400 | [diff] [blame] | 4171 | .queue_mailbox_command = qla4xxx_queue_mbox_cmd, |
| 4172 | .process_mailbox_interrupt = qla4xxx_process_mbox_intr, |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 4173 | }; |
| 4174 | |
Vikas Chaudhary | 7664a1f | 2012-08-22 07:55:00 -0400 | [diff] [blame] | 4175 | static struct isp_operations qla4_82xx_isp_ops = { |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 4176 | .iospace_config = qla4_8xxx_iospace_config, |
| 4177 | .pci_config = qla4_8xxx_pci_config, |
Vikas Chaudhary | f8086f4 | 2012-08-22 07:54:59 -0400 | [diff] [blame] | 4178 | .disable_intrs = qla4_82xx_disable_intrs, |
| 4179 | .enable_intrs = qla4_82xx_enable_intrs, |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 4180 | .start_firmware = qla4_8xxx_load_risc, |
Vikas Chaudhary | 33693c7 | 2012-08-22 07:55:04 -0400 | [diff] [blame] | 4181 | .restart_firmware = qla4_82xx_try_start_fw, |
Vikas Chaudhary | f8086f4 | 2012-08-22 07:54:59 -0400 | [diff] [blame] | 4182 | .intr_handler = qla4_82xx_intr_handler, |
| 4183 | .interrupt_service_routine = qla4_82xx_interrupt_service_routine, |
Vikas Chaudhary | 33693c7 | 2012-08-22 07:55:04 -0400 | [diff] [blame] | 4184 | .need_reset = qla4_8xxx_need_reset, |
Vikas Chaudhary | f8086f4 | 2012-08-22 07:54:59 -0400 | [diff] [blame] | 4185 | .reset_chip = qla4_82xx_isp_reset, |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 4186 | .reset_firmware = qla4_8xxx_stop_firmware, |
Vikas Chaudhary | f8086f4 | 2012-08-22 07:54:59 -0400 | [diff] [blame] | 4187 | .queue_iocb = qla4_82xx_queue_iocb, |
| 4188 | .complete_iocb = qla4_82xx_complete_iocb, |
| 4189 | .rd_shdw_req_q_out = qla4_82xx_rd_shdw_req_q_out, |
| 4190 | .rd_shdw_rsp_q_in = qla4_82xx_rd_shdw_rsp_q_in, |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 4191 | .get_sys_info = qla4_8xxx_get_sys_info, |
Vikas Chaudhary | 33693c7 | 2012-08-22 07:55:04 -0400 | [diff] [blame] | 4192 | .rd_reg_direct = qla4_82xx_rd_32, |
| 4193 | .wr_reg_direct = qla4_82xx_wr_32, |
| 4194 | .rd_reg_indirect = qla4_82xx_md_rd_32, |
| 4195 | .wr_reg_indirect = qla4_82xx_md_wr_32, |
| 4196 | .idc_lock = qla4_82xx_idc_lock, |
| 4197 | .idc_unlock = qla4_82xx_idc_unlock, |
| 4198 | .rom_lock_recovery = qla4_82xx_rom_lock_recovery, |
| 4199 | .queue_mailbox_command = qla4_82xx_queue_mbox_cmd, |
| 4200 | .process_mailbox_interrupt = qla4_82xx_process_mbox_intr, |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 4201 | }; |
| 4202 | |
Vikas Chaudhary | 6e7b429 | 2012-08-22 07:55:08 -0400 | [diff] [blame] | 4203 | static struct isp_operations qla4_83xx_isp_ops = { |
| 4204 | .iospace_config = qla4_8xxx_iospace_config, |
| 4205 | .pci_config = qla4_8xxx_pci_config, |
| 4206 | .disable_intrs = qla4_83xx_disable_intrs, |
| 4207 | .enable_intrs = qla4_83xx_enable_intrs, |
| 4208 | .start_firmware = qla4_8xxx_load_risc, |
| 4209 | .restart_firmware = qla4_83xx_start_firmware, |
| 4210 | .intr_handler = qla4_83xx_intr_handler, |
| 4211 | .interrupt_service_routine = qla4_83xx_interrupt_service_routine, |
| 4212 | .need_reset = qla4_8xxx_need_reset, |
| 4213 | .reset_chip = qla4_83xx_isp_reset, |
| 4214 | .reset_firmware = qla4_8xxx_stop_firmware, |
| 4215 | .queue_iocb = qla4_83xx_queue_iocb, |
| 4216 | .complete_iocb = qla4_83xx_complete_iocb, |
Tej Parkash | a24058f9 | 2013-03-07 05:43:13 -0500 | [diff] [blame] | 4217 | .rd_shdw_req_q_out = qla4xxx_rd_shdw_req_q_out, |
| 4218 | .rd_shdw_rsp_q_in = qla4xxx_rd_shdw_rsp_q_in, |
Vikas Chaudhary | 6e7b429 | 2012-08-22 07:55:08 -0400 | [diff] [blame] | 4219 | .get_sys_info = qla4_8xxx_get_sys_info, |
| 4220 | .rd_reg_direct = qla4_83xx_rd_reg, |
| 4221 | .wr_reg_direct = qla4_83xx_wr_reg, |
| 4222 | .rd_reg_indirect = qla4_83xx_rd_reg_indirect, |
| 4223 | .wr_reg_indirect = qla4_83xx_wr_reg_indirect, |
| 4224 | .idc_lock = qla4_83xx_drv_lock, |
| 4225 | .idc_unlock = qla4_83xx_drv_unlock, |
| 4226 | .rom_lock_recovery = qla4_83xx_rom_lock_recovery, |
| 4227 | .queue_mailbox_command = qla4_83xx_queue_mbox_cmd, |
| 4228 | .process_mailbox_interrupt = qla4_83xx_process_mbox_intr, |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 4229 | }; |
| 4230 | |
| 4231 | uint16_t qla4xxx_rd_shdw_req_q_out(struct scsi_qla_host *ha) |
| 4232 | { |
| 4233 | return (uint16_t)le32_to_cpu(ha->shadow_regs->req_q_out); |
| 4234 | } |
| 4235 | |
Vikas Chaudhary | f8086f4 | 2012-08-22 07:54:59 -0400 | [diff] [blame] | 4236 | uint16_t qla4_82xx_rd_shdw_req_q_out(struct scsi_qla_host *ha) |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 4237 | { |
Vikas Chaudhary | 7664a1f | 2012-08-22 07:55:00 -0400 | [diff] [blame] | 4238 | return (uint16_t)le32_to_cpu(readl(&ha->qla4_82xx_reg->req_q_out)); |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 4239 | } |
| 4240 | |
| 4241 | uint16_t qla4xxx_rd_shdw_rsp_q_in(struct scsi_qla_host *ha) |
| 4242 | { |
| 4243 | return (uint16_t)le32_to_cpu(ha->shadow_regs->rsp_q_in); |
| 4244 | } |
| 4245 | |
Vikas Chaudhary | f8086f4 | 2012-08-22 07:54:59 -0400 | [diff] [blame] | 4246 | uint16_t qla4_82xx_rd_shdw_rsp_q_in(struct scsi_qla_host *ha) |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 4247 | { |
Vikas Chaudhary | 7664a1f | 2012-08-22 07:55:00 -0400 | [diff] [blame] | 4248 | return (uint16_t)le32_to_cpu(readl(&ha->qla4_82xx_reg->rsp_q_in)); |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 4249 | } |
| 4250 | |
Manish Rangankar | 2a991c2 | 2011-07-25 13:48:55 -0500 | [diff] [blame] | 4251 | static ssize_t qla4xxx_show_boot_eth_info(void *data, int type, char *buf) |
| 4252 | { |
| 4253 | struct scsi_qla_host *ha = data; |
| 4254 | char *str = buf; |
| 4255 | int rc; |
| 4256 | |
| 4257 | switch (type) { |
| 4258 | case ISCSI_BOOT_ETH_FLAGS: |
| 4259 | rc = sprintf(str, "%d\n", SYSFS_FLAG_FW_SEL_BOOT); |
| 4260 | break; |
| 4261 | case ISCSI_BOOT_ETH_INDEX: |
| 4262 | rc = sprintf(str, "0\n"); |
| 4263 | break; |
| 4264 | case ISCSI_BOOT_ETH_MAC: |
| 4265 | rc = sysfs_format_mac(str, ha->my_mac, |
| 4266 | MAC_ADDR_LEN); |
| 4267 | break; |
| 4268 | default: |
| 4269 | rc = -ENOSYS; |
| 4270 | break; |
| 4271 | } |
| 4272 | return rc; |
| 4273 | } |
| 4274 | |
Al Viro | 587a1f1 | 2011-07-23 23:11:19 -0400 | [diff] [blame] | 4275 | static umode_t qla4xxx_eth_get_attr_visibility(void *data, int type) |
Manish Rangankar | 2a991c2 | 2011-07-25 13:48:55 -0500 | [diff] [blame] | 4276 | { |
| 4277 | int rc; |
| 4278 | |
| 4279 | switch (type) { |
| 4280 | case ISCSI_BOOT_ETH_FLAGS: |
| 4281 | case ISCSI_BOOT_ETH_MAC: |
| 4282 | case ISCSI_BOOT_ETH_INDEX: |
| 4283 | rc = S_IRUGO; |
| 4284 | break; |
| 4285 | default: |
| 4286 | rc = 0; |
| 4287 | break; |
| 4288 | } |
| 4289 | return rc; |
| 4290 | } |
| 4291 | |
| 4292 | static ssize_t qla4xxx_show_boot_ini_info(void *data, int type, char *buf) |
| 4293 | { |
| 4294 | struct scsi_qla_host *ha = data; |
| 4295 | char *str = buf; |
| 4296 | int rc; |
| 4297 | |
| 4298 | switch (type) { |
| 4299 | case ISCSI_BOOT_INI_INITIATOR_NAME: |
| 4300 | rc = sprintf(str, "%s\n", ha->name_string); |
| 4301 | break; |
| 4302 | default: |
| 4303 | rc = -ENOSYS; |
| 4304 | break; |
| 4305 | } |
| 4306 | return rc; |
| 4307 | } |
| 4308 | |
Al Viro | 587a1f1 | 2011-07-23 23:11:19 -0400 | [diff] [blame] | 4309 | static umode_t qla4xxx_ini_get_attr_visibility(void *data, int type) |
Manish Rangankar | 2a991c2 | 2011-07-25 13:48:55 -0500 | [diff] [blame] | 4310 | { |
| 4311 | int rc; |
| 4312 | |
| 4313 | switch (type) { |
| 4314 | case ISCSI_BOOT_INI_INITIATOR_NAME: |
| 4315 | rc = S_IRUGO; |
| 4316 | break; |
| 4317 | default: |
| 4318 | rc = 0; |
| 4319 | break; |
| 4320 | } |
| 4321 | return rc; |
| 4322 | } |
| 4323 | |
| 4324 | static ssize_t |
| 4325 | qla4xxx_show_boot_tgt_info(struct ql4_boot_session_info *boot_sess, int type, |
| 4326 | char *buf) |
| 4327 | { |
| 4328 | struct ql4_conn_info *boot_conn = &boot_sess->conn_list[0]; |
| 4329 | char *str = buf; |
| 4330 | int rc; |
| 4331 | |
| 4332 | switch (type) { |
| 4333 | case ISCSI_BOOT_TGT_NAME: |
| 4334 | rc = sprintf(buf, "%s\n", (char *)&boot_sess->target_name); |
| 4335 | break; |
| 4336 | case ISCSI_BOOT_TGT_IP_ADDR: |
| 4337 | if (boot_sess->conn_list[0].dest_ipaddr.ip_type == 0x1) |
| 4338 | rc = sprintf(buf, "%pI4\n", |
| 4339 | &boot_conn->dest_ipaddr.ip_address); |
| 4340 | else |
| 4341 | rc = sprintf(str, "%pI6\n", |
| 4342 | &boot_conn->dest_ipaddr.ip_address); |
| 4343 | break; |
| 4344 | case ISCSI_BOOT_TGT_PORT: |
| 4345 | rc = sprintf(str, "%d\n", boot_conn->dest_port); |
| 4346 | break; |
| 4347 | case ISCSI_BOOT_TGT_CHAP_NAME: |
| 4348 | rc = sprintf(str, "%.*s\n", |
| 4349 | boot_conn->chap.target_chap_name_length, |
| 4350 | (char *)&boot_conn->chap.target_chap_name); |
| 4351 | break; |
| 4352 | case ISCSI_BOOT_TGT_CHAP_SECRET: |
| 4353 | rc = sprintf(str, "%.*s\n", |
| 4354 | boot_conn->chap.target_secret_length, |
| 4355 | (char *)&boot_conn->chap.target_secret); |
| 4356 | break; |
| 4357 | case ISCSI_BOOT_TGT_REV_CHAP_NAME: |
| 4358 | rc = sprintf(str, "%.*s\n", |
| 4359 | boot_conn->chap.intr_chap_name_length, |
| 4360 | (char *)&boot_conn->chap.intr_chap_name); |
| 4361 | break; |
| 4362 | case ISCSI_BOOT_TGT_REV_CHAP_SECRET: |
| 4363 | rc = sprintf(str, "%.*s\n", |
| 4364 | boot_conn->chap.intr_secret_length, |
| 4365 | (char *)&boot_conn->chap.intr_secret); |
| 4366 | break; |
| 4367 | case ISCSI_BOOT_TGT_FLAGS: |
| 4368 | rc = sprintf(str, "%d\n", SYSFS_FLAG_FW_SEL_BOOT); |
| 4369 | break; |
| 4370 | case ISCSI_BOOT_TGT_NIC_ASSOC: |
| 4371 | rc = sprintf(str, "0\n"); |
| 4372 | break; |
| 4373 | default: |
| 4374 | rc = -ENOSYS; |
| 4375 | break; |
| 4376 | } |
| 4377 | return rc; |
| 4378 | } |
| 4379 | |
| 4380 | static ssize_t qla4xxx_show_boot_tgt_pri_info(void *data, int type, char *buf) |
| 4381 | { |
| 4382 | struct scsi_qla_host *ha = data; |
| 4383 | struct ql4_boot_session_info *boot_sess = &(ha->boot_tgt.boot_pri_sess); |
| 4384 | |
| 4385 | return qla4xxx_show_boot_tgt_info(boot_sess, type, buf); |
| 4386 | } |
| 4387 | |
| 4388 | static ssize_t qla4xxx_show_boot_tgt_sec_info(void *data, int type, char *buf) |
| 4389 | { |
| 4390 | struct scsi_qla_host *ha = data; |
| 4391 | struct ql4_boot_session_info *boot_sess = &(ha->boot_tgt.boot_sec_sess); |
| 4392 | |
| 4393 | return qla4xxx_show_boot_tgt_info(boot_sess, type, buf); |
| 4394 | } |
| 4395 | |
Al Viro | 587a1f1 | 2011-07-23 23:11:19 -0400 | [diff] [blame] | 4396 | static umode_t qla4xxx_tgt_get_attr_visibility(void *data, int type) |
Manish Rangankar | 2a991c2 | 2011-07-25 13:48:55 -0500 | [diff] [blame] | 4397 | { |
| 4398 | int rc; |
| 4399 | |
| 4400 | switch (type) { |
| 4401 | case ISCSI_BOOT_TGT_NAME: |
| 4402 | case ISCSI_BOOT_TGT_IP_ADDR: |
| 4403 | case ISCSI_BOOT_TGT_PORT: |
| 4404 | case ISCSI_BOOT_TGT_CHAP_NAME: |
| 4405 | case ISCSI_BOOT_TGT_CHAP_SECRET: |
| 4406 | case ISCSI_BOOT_TGT_REV_CHAP_NAME: |
| 4407 | case ISCSI_BOOT_TGT_REV_CHAP_SECRET: |
| 4408 | case ISCSI_BOOT_TGT_NIC_ASSOC: |
| 4409 | case ISCSI_BOOT_TGT_FLAGS: |
| 4410 | rc = S_IRUGO; |
| 4411 | break; |
| 4412 | default: |
| 4413 | rc = 0; |
| 4414 | break; |
| 4415 | } |
| 4416 | return rc; |
| 4417 | } |
| 4418 | |
| 4419 | static void qla4xxx_boot_release(void *data) |
| 4420 | { |
| 4421 | struct scsi_qla_host *ha = data; |
| 4422 | |
| 4423 | scsi_host_put(ha->host); |
| 4424 | } |
| 4425 | |
| 4426 | static int get_fw_boot_info(struct scsi_qla_host *ha, uint16_t ddb_index[]) |
| 4427 | { |
| 4428 | dma_addr_t buf_dma; |
| 4429 | uint32_t addr, pri_addr, sec_addr; |
| 4430 | uint32_t offset; |
| 4431 | uint16_t func_num; |
| 4432 | uint8_t val; |
| 4433 | uint8_t *buf = NULL; |
| 4434 | size_t size = 13 * sizeof(uint8_t); |
| 4435 | int ret = QLA_SUCCESS; |
| 4436 | |
| 4437 | func_num = PCI_FUNC(ha->pdev->devfn); |
| 4438 | |
Manish Rangankar | 0d5b36b | 2011-10-07 16:55:51 -0700 | [diff] [blame] | 4439 | ql4_printk(KERN_INFO, ha, "%s: Get FW boot info for 0x%x func %d\n", |
| 4440 | __func__, ha->pdev->device, func_num); |
Manish Rangankar | 2a991c2 | 2011-07-25 13:48:55 -0500 | [diff] [blame] | 4441 | |
Manish Rangankar | 0d5b36b | 2011-10-07 16:55:51 -0700 | [diff] [blame] | 4442 | if (is_qla40XX(ha)) { |
Manish Rangankar | 2a991c2 | 2011-07-25 13:48:55 -0500 | [diff] [blame] | 4443 | if (func_num == 1) { |
| 4444 | addr = NVRAM_PORT0_BOOT_MODE; |
| 4445 | pri_addr = NVRAM_PORT0_BOOT_PRI_TGT; |
| 4446 | sec_addr = NVRAM_PORT0_BOOT_SEC_TGT; |
| 4447 | } else if (func_num == 3) { |
| 4448 | addr = NVRAM_PORT1_BOOT_MODE; |
| 4449 | pri_addr = NVRAM_PORT1_BOOT_PRI_TGT; |
| 4450 | sec_addr = NVRAM_PORT1_BOOT_SEC_TGT; |
| 4451 | } else { |
| 4452 | ret = QLA_ERROR; |
| 4453 | goto exit_boot_info; |
| 4454 | } |
| 4455 | |
| 4456 | /* Check Boot Mode */ |
| 4457 | val = rd_nvram_byte(ha, addr); |
| 4458 | if (!(val & 0x07)) { |
Manish Rangankar | e8fb00e | 2012-02-13 18:30:43 +0530 | [diff] [blame] | 4459 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Adapter boot " |
| 4460 | "options : 0x%x\n", __func__, val)); |
Manish Rangankar | 2a991c2 | 2011-07-25 13:48:55 -0500 | [diff] [blame] | 4461 | ret = QLA_ERROR; |
| 4462 | goto exit_boot_info; |
| 4463 | } |
| 4464 | |
| 4465 | /* get primary valid target index */ |
| 4466 | val = rd_nvram_byte(ha, pri_addr); |
| 4467 | if (val & BIT_7) |
| 4468 | ddb_index[0] = (val & 0x7f); |
Manish Rangankar | 2a991c2 | 2011-07-25 13:48:55 -0500 | [diff] [blame] | 4469 | |
| 4470 | /* get secondary valid target index */ |
| 4471 | val = rd_nvram_byte(ha, sec_addr); |
| 4472 | if (val & BIT_7) |
| 4473 | ddb_index[1] = (val & 0x7f); |
Manish Rangankar | 2a991c2 | 2011-07-25 13:48:55 -0500 | [diff] [blame] | 4474 | |
Vikas Chaudhary | 3e788fb | 2013-03-07 05:43:08 -0500 | [diff] [blame] | 4475 | } else if (is_qla80XX(ha)) { |
Manish Rangankar | 2a991c2 | 2011-07-25 13:48:55 -0500 | [diff] [blame] | 4476 | buf = dma_alloc_coherent(&ha->pdev->dev, size, |
| 4477 | &buf_dma, GFP_KERNEL); |
| 4478 | if (!buf) { |
| 4479 | DEBUG2(ql4_printk(KERN_ERR, ha, |
| 4480 | "%s: Unable to allocate dma buffer\n", |
| 4481 | __func__)); |
| 4482 | ret = QLA_ERROR; |
| 4483 | goto exit_boot_info; |
| 4484 | } |
| 4485 | |
| 4486 | if (ha->port_num == 0) |
| 4487 | offset = BOOT_PARAM_OFFSET_PORT0; |
| 4488 | else if (ha->port_num == 1) |
| 4489 | offset = BOOT_PARAM_OFFSET_PORT1; |
| 4490 | else { |
| 4491 | ret = QLA_ERROR; |
| 4492 | goto exit_boot_info_free; |
| 4493 | } |
| 4494 | addr = FLASH_RAW_ACCESS_ADDR + (ha->hw.flt_iscsi_param * 4) + |
| 4495 | offset; |
| 4496 | if (qla4xxx_get_flash(ha, buf_dma, addr, |
| 4497 | 13 * sizeof(uint8_t)) != QLA_SUCCESS) { |
| 4498 | DEBUG2(ql4_printk(KERN_ERR, ha, "scsi%ld: %s: Get Flash" |
Petr Uzel | 0bd7f84 | 2012-02-24 16:32:59 +0100 | [diff] [blame] | 4499 | " failed\n", ha->host_no, __func__)); |
Manish Rangankar | 2a991c2 | 2011-07-25 13:48:55 -0500 | [diff] [blame] | 4500 | ret = QLA_ERROR; |
| 4501 | goto exit_boot_info_free; |
| 4502 | } |
| 4503 | /* Check Boot Mode */ |
| 4504 | if (!(buf[1] & 0x07)) { |
Manish Rangankar | e8fb00e | 2012-02-13 18:30:43 +0530 | [diff] [blame] | 4505 | DEBUG2(ql4_printk(KERN_INFO, ha, "Firmware boot options" |
| 4506 | " : 0x%x\n", buf[1])); |
Manish Rangankar | 2a991c2 | 2011-07-25 13:48:55 -0500 | [diff] [blame] | 4507 | ret = QLA_ERROR; |
| 4508 | goto exit_boot_info_free; |
| 4509 | } |
| 4510 | |
| 4511 | /* get primary valid target index */ |
| 4512 | if (buf[2] & BIT_7) |
| 4513 | ddb_index[0] = buf[2] & 0x7f; |
Manish Rangankar | 2a991c2 | 2011-07-25 13:48:55 -0500 | [diff] [blame] | 4514 | |
| 4515 | /* get secondary valid target index */ |
| 4516 | if (buf[11] & BIT_7) |
| 4517 | ddb_index[1] = buf[11] & 0x7f; |
Manish Rangankar | 2a991c2 | 2011-07-25 13:48:55 -0500 | [diff] [blame] | 4518 | } else { |
| 4519 | ret = QLA_ERROR; |
| 4520 | goto exit_boot_info; |
| 4521 | } |
| 4522 | |
| 4523 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Primary target ID %d, Secondary" |
| 4524 | " target ID %d\n", __func__, ddb_index[0], |
| 4525 | ddb_index[1])); |
| 4526 | |
| 4527 | exit_boot_info_free: |
| 4528 | dma_free_coherent(&ha->pdev->dev, size, buf, buf_dma); |
| 4529 | exit_boot_info: |
Lalit Chandivade | 20e835b | 2012-02-13 18:30:42 +0530 | [diff] [blame] | 4530 | ha->pri_ddb_idx = ddb_index[0]; |
| 4531 | ha->sec_ddb_idx = ddb_index[1]; |
Manish Rangankar | 2a991c2 | 2011-07-25 13:48:55 -0500 | [diff] [blame] | 4532 | return ret; |
| 4533 | } |
| 4534 | |
Lalit Chandivade | 28deb45 | 2011-10-07 16:55:44 -0700 | [diff] [blame] | 4535 | /** |
| 4536 | * qla4xxx_get_bidi_chap - Get a BIDI CHAP user and password |
| 4537 | * @ha: pointer to adapter structure |
| 4538 | * @username: CHAP username to be returned |
| 4539 | * @password: CHAP password to be returned |
| 4540 | * |
| 4541 | * If a boot entry has BIDI CHAP enabled then we need to set the BIDI CHAP |
| 4542 | * user and password in the sysfs entry in /sys/firmware/iscsi_boot#/. |
| 4543 | * So from the CHAP cache find the first BIDI CHAP entry and set it |
| 4544 | * to the boot record in sysfs. |
| 4545 | **/ |
| 4546 | static int qla4xxx_get_bidi_chap(struct scsi_qla_host *ha, char *username, |
| 4547 | char *password) |
| 4548 | { |
| 4549 | int i, ret = -EINVAL; |
| 4550 | int max_chap_entries = 0; |
| 4551 | struct ql4_chap_table *chap_table; |
| 4552 | |
Vikas Chaudhary | d11b0ca | 2013-03-22 07:08:31 -0400 | [diff] [blame] | 4553 | if (is_qla80XX(ha)) |
Lalit Chandivade | 28deb45 | 2011-10-07 16:55:44 -0700 | [diff] [blame] | 4554 | max_chap_entries = (ha->hw.flt_chap_size / 2) / |
| 4555 | sizeof(struct ql4_chap_table); |
| 4556 | else |
| 4557 | max_chap_entries = MAX_CHAP_ENTRIES_40XX; |
| 4558 | |
| 4559 | if (!ha->chap_list) { |
| 4560 | ql4_printk(KERN_ERR, ha, "Do not have CHAP table cache\n"); |
| 4561 | return ret; |
| 4562 | } |
| 4563 | |
| 4564 | mutex_lock(&ha->chap_sem); |
| 4565 | for (i = 0; i < max_chap_entries; i++) { |
| 4566 | chap_table = (struct ql4_chap_table *)ha->chap_list + i; |
| 4567 | if (chap_table->cookie != |
| 4568 | __constant_cpu_to_le16(CHAP_VALID_COOKIE)) { |
| 4569 | continue; |
| 4570 | } |
| 4571 | |
| 4572 | if (chap_table->flags & BIT_7) /* local */ |
| 4573 | continue; |
| 4574 | |
| 4575 | if (!(chap_table->flags & BIT_6)) /* Not BIDI */ |
| 4576 | continue; |
| 4577 | |
| 4578 | strncpy(password, chap_table->secret, QL4_CHAP_MAX_SECRET_LEN); |
| 4579 | strncpy(username, chap_table->name, QL4_CHAP_MAX_NAME_LEN); |
| 4580 | ret = 0; |
| 4581 | break; |
| 4582 | } |
| 4583 | mutex_unlock(&ha->chap_sem); |
| 4584 | |
| 4585 | return ret; |
| 4586 | } |
| 4587 | |
| 4588 | |
Manish Rangankar | 2a991c2 | 2011-07-25 13:48:55 -0500 | [diff] [blame] | 4589 | static int qla4xxx_get_boot_target(struct scsi_qla_host *ha, |
| 4590 | struct ql4_boot_session_info *boot_sess, |
| 4591 | uint16_t ddb_index) |
| 4592 | { |
| 4593 | struct ql4_conn_info *boot_conn = &boot_sess->conn_list[0]; |
| 4594 | struct dev_db_entry *fw_ddb_entry; |
| 4595 | dma_addr_t fw_ddb_entry_dma; |
| 4596 | uint16_t idx; |
| 4597 | uint16_t options; |
| 4598 | int ret = QLA_SUCCESS; |
| 4599 | |
| 4600 | fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), |
| 4601 | &fw_ddb_entry_dma, GFP_KERNEL); |
| 4602 | if (!fw_ddb_entry) { |
| 4603 | DEBUG2(ql4_printk(KERN_ERR, ha, |
| 4604 | "%s: Unable to allocate dma buffer.\n", |
| 4605 | __func__)); |
| 4606 | ret = QLA_ERROR; |
| 4607 | return ret; |
| 4608 | } |
| 4609 | |
| 4610 | if (qla4xxx_bootdb_by_index(ha, fw_ddb_entry, |
| 4611 | fw_ddb_entry_dma, ddb_index)) { |
Manish Rangankar | e8fb00e | 2012-02-13 18:30:43 +0530 | [diff] [blame] | 4612 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: No Flash DDB found at " |
| 4613 | "index [%d]\n", __func__, ddb_index)); |
Manish Rangankar | 2a991c2 | 2011-07-25 13:48:55 -0500 | [diff] [blame] | 4614 | ret = QLA_ERROR; |
| 4615 | goto exit_boot_target; |
| 4616 | } |
| 4617 | |
| 4618 | /* Update target name and IP from DDB */ |
| 4619 | memcpy(boot_sess->target_name, fw_ddb_entry->iscsi_name, |
| 4620 | min(sizeof(boot_sess->target_name), |
| 4621 | sizeof(fw_ddb_entry->iscsi_name))); |
| 4622 | |
| 4623 | options = le16_to_cpu(fw_ddb_entry->options); |
| 4624 | if (options & DDB_OPT_IPV6_DEVICE) { |
| 4625 | memcpy(&boot_conn->dest_ipaddr.ip_address, |
| 4626 | &fw_ddb_entry->ip_addr[0], IPv6_ADDR_LEN); |
| 4627 | } else { |
| 4628 | boot_conn->dest_ipaddr.ip_type = 0x1; |
| 4629 | memcpy(&boot_conn->dest_ipaddr.ip_address, |
| 4630 | &fw_ddb_entry->ip_addr[0], IP_ADDR_LEN); |
| 4631 | } |
| 4632 | |
| 4633 | boot_conn->dest_port = le16_to_cpu(fw_ddb_entry->port); |
| 4634 | |
| 4635 | /* update chap information */ |
| 4636 | idx = __le16_to_cpu(fw_ddb_entry->chap_tbl_idx); |
| 4637 | |
| 4638 | if (BIT_7 & le16_to_cpu(fw_ddb_entry->iscsi_options)) { |
| 4639 | |
| 4640 | DEBUG2(ql4_printk(KERN_INFO, ha, "Setting chap\n")); |
| 4641 | |
| 4642 | ret = qla4xxx_get_chap(ha, (char *)&boot_conn->chap. |
| 4643 | target_chap_name, |
| 4644 | (char *)&boot_conn->chap.target_secret, |
| 4645 | idx); |
| 4646 | if (ret) { |
| 4647 | ql4_printk(KERN_ERR, ha, "Failed to set chap\n"); |
| 4648 | ret = QLA_ERROR; |
| 4649 | goto exit_boot_target; |
| 4650 | } |
| 4651 | |
| 4652 | boot_conn->chap.target_chap_name_length = QL4_CHAP_MAX_NAME_LEN; |
| 4653 | boot_conn->chap.target_secret_length = QL4_CHAP_MAX_SECRET_LEN; |
| 4654 | } |
| 4655 | |
| 4656 | if (BIT_4 & le16_to_cpu(fw_ddb_entry->iscsi_options)) { |
| 4657 | |
| 4658 | DEBUG2(ql4_printk(KERN_INFO, ha, "Setting BIDI chap\n")); |
| 4659 | |
Lalit Chandivade | 28deb45 | 2011-10-07 16:55:44 -0700 | [diff] [blame] | 4660 | ret = qla4xxx_get_bidi_chap(ha, |
| 4661 | (char *)&boot_conn->chap.intr_chap_name, |
| 4662 | (char *)&boot_conn->chap.intr_secret); |
| 4663 | |
Manish Rangankar | 2a991c2 | 2011-07-25 13:48:55 -0500 | [diff] [blame] | 4664 | if (ret) { |
| 4665 | ql4_printk(KERN_ERR, ha, "Failed to set BIDI chap\n"); |
| 4666 | ret = QLA_ERROR; |
| 4667 | goto exit_boot_target; |
| 4668 | } |
| 4669 | |
| 4670 | boot_conn->chap.intr_chap_name_length = QL4_CHAP_MAX_NAME_LEN; |
| 4671 | boot_conn->chap.intr_secret_length = QL4_CHAP_MAX_SECRET_LEN; |
| 4672 | } |
| 4673 | |
| 4674 | exit_boot_target: |
| 4675 | dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), |
| 4676 | fw_ddb_entry, fw_ddb_entry_dma); |
| 4677 | return ret; |
| 4678 | } |
| 4679 | |
| 4680 | static int qla4xxx_get_boot_info(struct scsi_qla_host *ha) |
| 4681 | { |
| 4682 | uint16_t ddb_index[2]; |
Lalit Chandivade | 8de5b95 | 2011-10-07 16:55:43 -0700 | [diff] [blame] | 4683 | int ret = QLA_ERROR; |
| 4684 | int rval; |
Manish Rangankar | 2a991c2 | 2011-07-25 13:48:55 -0500 | [diff] [blame] | 4685 | |
| 4686 | memset(ddb_index, 0, sizeof(ddb_index)); |
Lalit Chandivade | 8de5b95 | 2011-10-07 16:55:43 -0700 | [diff] [blame] | 4687 | ddb_index[0] = 0xffff; |
| 4688 | ddb_index[1] = 0xffff; |
Manish Rangankar | 2a991c2 | 2011-07-25 13:48:55 -0500 | [diff] [blame] | 4689 | ret = get_fw_boot_info(ha, ddb_index); |
| 4690 | if (ret != QLA_SUCCESS) { |
Manish Rangankar | e8fb00e | 2012-02-13 18:30:43 +0530 | [diff] [blame] | 4691 | DEBUG2(ql4_printk(KERN_INFO, ha, |
| 4692 | "%s: No boot target configured.\n", __func__)); |
Manish Rangankar | 2a991c2 | 2011-07-25 13:48:55 -0500 | [diff] [blame] | 4693 | return ret; |
| 4694 | } |
| 4695 | |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 4696 | if (ql4xdisablesysfsboot) |
| 4697 | return QLA_SUCCESS; |
| 4698 | |
Lalit Chandivade | 8de5b95 | 2011-10-07 16:55:43 -0700 | [diff] [blame] | 4699 | if (ddb_index[0] == 0xffff) |
| 4700 | goto sec_target; |
| 4701 | |
| 4702 | rval = qla4xxx_get_boot_target(ha, &(ha->boot_tgt.boot_pri_sess), |
Manish Rangankar | 2a991c2 | 2011-07-25 13:48:55 -0500 | [diff] [blame] | 4703 | ddb_index[0]); |
Lalit Chandivade | 8de5b95 | 2011-10-07 16:55:43 -0700 | [diff] [blame] | 4704 | if (rval != QLA_SUCCESS) { |
Manish Rangankar | e8fb00e | 2012-02-13 18:30:43 +0530 | [diff] [blame] | 4705 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Primary boot target not " |
| 4706 | "configured\n", __func__)); |
Lalit Chandivade | 8de5b95 | 2011-10-07 16:55:43 -0700 | [diff] [blame] | 4707 | } else |
| 4708 | ret = QLA_SUCCESS; |
Manish Rangankar | 2a991c2 | 2011-07-25 13:48:55 -0500 | [diff] [blame] | 4709 | |
Lalit Chandivade | 8de5b95 | 2011-10-07 16:55:43 -0700 | [diff] [blame] | 4710 | sec_target: |
| 4711 | if (ddb_index[1] == 0xffff) |
| 4712 | goto exit_get_boot_info; |
| 4713 | |
| 4714 | rval = qla4xxx_get_boot_target(ha, &(ha->boot_tgt.boot_sec_sess), |
Manish Rangankar | 2a991c2 | 2011-07-25 13:48:55 -0500 | [diff] [blame] | 4715 | ddb_index[1]); |
Lalit Chandivade | 8de5b95 | 2011-10-07 16:55:43 -0700 | [diff] [blame] | 4716 | if (rval != QLA_SUCCESS) { |
Manish Rangankar | e8fb00e | 2012-02-13 18:30:43 +0530 | [diff] [blame] | 4717 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Secondary boot target not" |
| 4718 | " configured\n", __func__)); |
Lalit Chandivade | 8de5b95 | 2011-10-07 16:55:43 -0700 | [diff] [blame] | 4719 | } else |
| 4720 | ret = QLA_SUCCESS; |
| 4721 | |
| 4722 | exit_get_boot_info: |
Manish Rangankar | 2a991c2 | 2011-07-25 13:48:55 -0500 | [diff] [blame] | 4723 | return ret; |
| 4724 | } |
| 4725 | |
| 4726 | static int qla4xxx_setup_boot_info(struct scsi_qla_host *ha) |
| 4727 | { |
| 4728 | struct iscsi_boot_kobj *boot_kobj; |
| 4729 | |
| 4730 | if (qla4xxx_get_boot_info(ha) != QLA_SUCCESS) |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 4731 | return QLA_ERROR; |
| 4732 | |
| 4733 | if (ql4xdisablesysfsboot) { |
| 4734 | ql4_printk(KERN_INFO, ha, |
Petr Uzel | 0bd7f84 | 2012-02-24 16:32:59 +0100 | [diff] [blame] | 4735 | "%s: syfsboot disabled - driver will trigger login " |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 4736 | "and publish session for discovery .\n", __func__); |
| 4737 | return QLA_SUCCESS; |
| 4738 | } |
| 4739 | |
Manish Rangankar | 2a991c2 | 2011-07-25 13:48:55 -0500 | [diff] [blame] | 4740 | |
| 4741 | ha->boot_kset = iscsi_boot_create_host_kset(ha->host->host_no); |
| 4742 | if (!ha->boot_kset) |
| 4743 | goto kset_free; |
| 4744 | |
| 4745 | if (!scsi_host_get(ha->host)) |
| 4746 | goto kset_free; |
| 4747 | boot_kobj = iscsi_boot_create_target(ha->boot_kset, 0, ha, |
| 4748 | qla4xxx_show_boot_tgt_pri_info, |
| 4749 | qla4xxx_tgt_get_attr_visibility, |
| 4750 | qla4xxx_boot_release); |
| 4751 | if (!boot_kobj) |
| 4752 | goto put_host; |
| 4753 | |
| 4754 | if (!scsi_host_get(ha->host)) |
| 4755 | goto kset_free; |
| 4756 | boot_kobj = iscsi_boot_create_target(ha->boot_kset, 1, ha, |
| 4757 | qla4xxx_show_boot_tgt_sec_info, |
| 4758 | qla4xxx_tgt_get_attr_visibility, |
| 4759 | qla4xxx_boot_release); |
| 4760 | if (!boot_kobj) |
| 4761 | goto put_host; |
| 4762 | |
| 4763 | if (!scsi_host_get(ha->host)) |
| 4764 | goto kset_free; |
| 4765 | boot_kobj = iscsi_boot_create_initiator(ha->boot_kset, 0, ha, |
| 4766 | qla4xxx_show_boot_ini_info, |
| 4767 | qla4xxx_ini_get_attr_visibility, |
| 4768 | qla4xxx_boot_release); |
| 4769 | if (!boot_kobj) |
| 4770 | goto put_host; |
| 4771 | |
| 4772 | if (!scsi_host_get(ha->host)) |
| 4773 | goto kset_free; |
| 4774 | boot_kobj = iscsi_boot_create_ethernet(ha->boot_kset, 0, ha, |
| 4775 | qla4xxx_show_boot_eth_info, |
| 4776 | qla4xxx_eth_get_attr_visibility, |
| 4777 | qla4xxx_boot_release); |
| 4778 | if (!boot_kobj) |
| 4779 | goto put_host; |
| 4780 | |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 4781 | return QLA_SUCCESS; |
Manish Rangankar | 2a991c2 | 2011-07-25 13:48:55 -0500 | [diff] [blame] | 4782 | |
| 4783 | put_host: |
| 4784 | scsi_host_put(ha->host); |
| 4785 | kset_free: |
| 4786 | iscsi_boot_destroy_kset(ha->boot_kset); |
| 4787 | return -ENOMEM; |
| 4788 | } |
| 4789 | |
Lalit Chandivade | 4549415 | 2011-10-07 16:55:42 -0700 | [diff] [blame] | 4790 | |
| 4791 | /** |
| 4792 | * qla4xxx_create chap_list - Create CHAP list from FLASH |
| 4793 | * @ha: pointer to adapter structure |
| 4794 | * |
| 4795 | * Read flash and make a list of CHAP entries, during login when a CHAP entry |
| 4796 | * is received, it will be checked in this list. If entry exist then the CHAP |
| 4797 | * entry index is set in the DDB. If CHAP entry does not exist in this list |
| 4798 | * then a new entry is added in FLASH in CHAP table and the index obtained is |
| 4799 | * used in the DDB. |
| 4800 | **/ |
| 4801 | static void qla4xxx_create_chap_list(struct scsi_qla_host *ha) |
| 4802 | { |
| 4803 | int rval = 0; |
| 4804 | uint8_t *chap_flash_data = NULL; |
| 4805 | uint32_t offset; |
| 4806 | dma_addr_t chap_dma; |
| 4807 | uint32_t chap_size = 0; |
| 4808 | |
| 4809 | if (is_qla40XX(ha)) |
| 4810 | chap_size = MAX_CHAP_ENTRIES_40XX * |
| 4811 | sizeof(struct ql4_chap_table); |
| 4812 | else /* Single region contains CHAP info for both |
| 4813 | * ports which is divided into half for each port. |
| 4814 | */ |
| 4815 | chap_size = ha->hw.flt_chap_size / 2; |
| 4816 | |
| 4817 | chap_flash_data = dma_alloc_coherent(&ha->pdev->dev, chap_size, |
| 4818 | &chap_dma, GFP_KERNEL); |
| 4819 | if (!chap_flash_data) { |
| 4820 | ql4_printk(KERN_ERR, ha, "No memory for chap_flash_data\n"); |
| 4821 | return; |
| 4822 | } |
| 4823 | if (is_qla40XX(ha)) |
| 4824 | offset = FLASH_CHAP_OFFSET; |
| 4825 | else { |
| 4826 | offset = FLASH_RAW_ACCESS_ADDR + (ha->hw.flt_region_chap << 2); |
| 4827 | if (ha->port_num == 1) |
| 4828 | offset += chap_size; |
| 4829 | } |
| 4830 | |
| 4831 | rval = qla4xxx_get_flash(ha, chap_dma, offset, chap_size); |
| 4832 | if (rval != QLA_SUCCESS) |
| 4833 | goto exit_chap_list; |
| 4834 | |
| 4835 | if (ha->chap_list == NULL) |
| 4836 | ha->chap_list = vmalloc(chap_size); |
| 4837 | if (ha->chap_list == NULL) { |
| 4838 | ql4_printk(KERN_ERR, ha, "No memory for ha->chap_list\n"); |
| 4839 | goto exit_chap_list; |
| 4840 | } |
| 4841 | |
| 4842 | memcpy(ha->chap_list, chap_flash_data, chap_size); |
| 4843 | |
| 4844 | exit_chap_list: |
| 4845 | dma_free_coherent(&ha->pdev->dev, chap_size, |
| 4846 | chap_flash_data, chap_dma); |
Lalit Chandivade | 4549415 | 2011-10-07 16:55:42 -0700 | [diff] [blame] | 4847 | } |
| 4848 | |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 4849 | static void qla4xxx_get_param_ddb(struct ddb_entry *ddb_entry, |
| 4850 | struct ql4_tuple_ddb *tddb) |
| 4851 | { |
| 4852 | struct scsi_qla_host *ha; |
| 4853 | struct iscsi_cls_session *cls_sess; |
| 4854 | struct iscsi_cls_conn *cls_conn; |
| 4855 | struct iscsi_session *sess; |
| 4856 | struct iscsi_conn *conn; |
| 4857 | |
| 4858 | DEBUG2(printk(KERN_INFO "Func: %s\n", __func__)); |
| 4859 | ha = ddb_entry->ha; |
| 4860 | cls_sess = ddb_entry->sess; |
| 4861 | sess = cls_sess->dd_data; |
| 4862 | cls_conn = ddb_entry->conn; |
| 4863 | conn = cls_conn->dd_data; |
| 4864 | |
| 4865 | tddb->tpgt = sess->tpgt; |
| 4866 | tddb->port = conn->persistent_port; |
| 4867 | strncpy(tddb->iscsi_name, sess->targetname, ISCSI_NAME_SIZE); |
| 4868 | strncpy(tddb->ip_addr, conn->persistent_address, DDB_IPADDR_LEN); |
| 4869 | } |
| 4870 | |
| 4871 | static void qla4xxx_convert_param_ddb(struct dev_db_entry *fw_ddb_entry, |
Vikas Chaudhary | 1cb78d7 | 2012-06-14 06:35:48 -0400 | [diff] [blame] | 4872 | struct ql4_tuple_ddb *tddb, |
| 4873 | uint8_t *flash_isid) |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 4874 | { |
| 4875 | uint16_t options = 0; |
| 4876 | |
| 4877 | tddb->tpgt = le32_to_cpu(fw_ddb_entry->tgt_portal_grp); |
| 4878 | memcpy(&tddb->iscsi_name[0], &fw_ddb_entry->iscsi_name[0], |
| 4879 | min(sizeof(tddb->iscsi_name), sizeof(fw_ddb_entry->iscsi_name))); |
| 4880 | |
| 4881 | options = le16_to_cpu(fw_ddb_entry->options); |
| 4882 | if (options & DDB_OPT_IPV6_DEVICE) |
| 4883 | sprintf(tddb->ip_addr, "%pI6", fw_ddb_entry->ip_addr); |
| 4884 | else |
| 4885 | sprintf(tddb->ip_addr, "%pI4", fw_ddb_entry->ip_addr); |
| 4886 | |
| 4887 | tddb->port = le16_to_cpu(fw_ddb_entry->port); |
Vikas Chaudhary | 1cb78d7 | 2012-06-14 06:35:48 -0400 | [diff] [blame] | 4888 | |
| 4889 | if (flash_isid == NULL) |
| 4890 | memcpy(&tddb->isid[0], &fw_ddb_entry->isid[0], |
| 4891 | sizeof(tddb->isid)); |
| 4892 | else |
| 4893 | memcpy(&tddb->isid[0], &flash_isid[0], sizeof(tddb->isid)); |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 4894 | } |
| 4895 | |
| 4896 | static int qla4xxx_compare_tuple_ddb(struct scsi_qla_host *ha, |
| 4897 | struct ql4_tuple_ddb *old_tddb, |
Manish Rangankar | 173269e | 2012-02-27 03:08:55 -0800 | [diff] [blame] | 4898 | struct ql4_tuple_ddb *new_tddb, |
| 4899 | uint8_t is_isid_compare) |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 4900 | { |
| 4901 | if (strcmp(old_tddb->iscsi_name, new_tddb->iscsi_name)) |
| 4902 | return QLA_ERROR; |
| 4903 | |
| 4904 | if (strcmp(old_tddb->ip_addr, new_tddb->ip_addr)) |
| 4905 | return QLA_ERROR; |
| 4906 | |
| 4907 | if (old_tddb->port != new_tddb->port) |
| 4908 | return QLA_ERROR; |
| 4909 | |
Manish Rangankar | 173269e | 2012-02-27 03:08:55 -0800 | [diff] [blame] | 4910 | /* For multi sessions, driver generates the ISID, so do not compare |
Masanari Iida | 59e13d4 | 2012-04-25 00:24:16 +0900 | [diff] [blame] | 4911 | * ISID in reset path since it would be a comparison between the |
Manish Rangankar | 173269e | 2012-02-27 03:08:55 -0800 | [diff] [blame] | 4912 | * driver generated ISID and firmware generated ISID. This could |
| 4913 | * lead to adding duplicated DDBs in the list as driver generated |
| 4914 | * ISID would not match firmware generated ISID. |
| 4915 | */ |
| 4916 | if (is_isid_compare) { |
| 4917 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: old ISID [%02x%02x%02x" |
| 4918 | "%02x%02x%02x] New ISID [%02x%02x%02x%02x%02x%02x]\n", |
| 4919 | __func__, old_tddb->isid[5], old_tddb->isid[4], |
| 4920 | old_tddb->isid[3], old_tddb->isid[2], old_tddb->isid[1], |
| 4921 | old_tddb->isid[0], new_tddb->isid[5], new_tddb->isid[4], |
| 4922 | new_tddb->isid[3], new_tddb->isid[2], new_tddb->isid[1], |
| 4923 | new_tddb->isid[0])); |
| 4924 | |
| 4925 | if (memcmp(&old_tddb->isid[0], &new_tddb->isid[0], |
| 4926 | sizeof(old_tddb->isid))) |
| 4927 | return QLA_ERROR; |
| 4928 | } |
| 4929 | |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 4930 | DEBUG2(ql4_printk(KERN_INFO, ha, |
| 4931 | "Match Found, fw[%d,%d,%s,%s], [%d,%d,%s,%s]", |
| 4932 | old_tddb->port, old_tddb->tpgt, old_tddb->ip_addr, |
| 4933 | old_tddb->iscsi_name, new_tddb->port, new_tddb->tpgt, |
| 4934 | new_tddb->ip_addr, new_tddb->iscsi_name)); |
| 4935 | |
| 4936 | return QLA_SUCCESS; |
| 4937 | } |
| 4938 | |
| 4939 | static int qla4xxx_is_session_exists(struct scsi_qla_host *ha, |
| 4940 | struct dev_db_entry *fw_ddb_entry) |
| 4941 | { |
| 4942 | struct ddb_entry *ddb_entry; |
| 4943 | struct ql4_tuple_ddb *fw_tddb = NULL; |
| 4944 | struct ql4_tuple_ddb *tmp_tddb = NULL; |
| 4945 | int idx; |
| 4946 | int ret = QLA_ERROR; |
| 4947 | |
| 4948 | fw_tddb = vzalloc(sizeof(*fw_tddb)); |
| 4949 | if (!fw_tddb) { |
| 4950 | DEBUG2(ql4_printk(KERN_WARNING, ha, |
| 4951 | "Memory Allocation failed.\n")); |
| 4952 | ret = QLA_SUCCESS; |
| 4953 | goto exit_check; |
| 4954 | } |
| 4955 | |
| 4956 | tmp_tddb = vzalloc(sizeof(*tmp_tddb)); |
| 4957 | if (!tmp_tddb) { |
| 4958 | DEBUG2(ql4_printk(KERN_WARNING, ha, |
| 4959 | "Memory Allocation failed.\n")); |
| 4960 | ret = QLA_SUCCESS; |
| 4961 | goto exit_check; |
| 4962 | } |
| 4963 | |
Vikas Chaudhary | 1cb78d7 | 2012-06-14 06:35:48 -0400 | [diff] [blame] | 4964 | qla4xxx_convert_param_ddb(fw_ddb_entry, fw_tddb, NULL); |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 4965 | |
| 4966 | for (idx = 0; idx < MAX_DDB_ENTRIES; idx++) { |
| 4967 | ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, idx); |
| 4968 | if (ddb_entry == NULL) |
| 4969 | continue; |
| 4970 | |
| 4971 | qla4xxx_get_param_ddb(ddb_entry, tmp_tddb); |
Manish Rangankar | 173269e | 2012-02-27 03:08:55 -0800 | [diff] [blame] | 4972 | if (!qla4xxx_compare_tuple_ddb(ha, fw_tddb, tmp_tddb, false)) { |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 4973 | ret = QLA_SUCCESS; /* found */ |
| 4974 | goto exit_check; |
| 4975 | } |
| 4976 | } |
| 4977 | |
| 4978 | exit_check: |
| 4979 | if (fw_tddb) |
| 4980 | vfree(fw_tddb); |
| 4981 | if (tmp_tddb) |
| 4982 | vfree(tmp_tddb); |
| 4983 | return ret; |
| 4984 | } |
| 4985 | |
Vikas Chaudhary | 1cb78d7 | 2012-06-14 06:35:48 -0400 | [diff] [blame] | 4986 | /** |
| 4987 | * qla4xxx_check_existing_isid - check if target with same isid exist |
| 4988 | * in target list |
| 4989 | * @list_nt: list of target |
| 4990 | * @isid: isid to check |
| 4991 | * |
| 4992 | * This routine return QLA_SUCCESS if target with same isid exist |
| 4993 | **/ |
| 4994 | static int qla4xxx_check_existing_isid(struct list_head *list_nt, uint8_t *isid) |
| 4995 | { |
| 4996 | struct qla_ddb_index *nt_ddb_idx, *nt_ddb_idx_tmp; |
| 4997 | struct dev_db_entry *fw_ddb_entry; |
| 4998 | |
| 4999 | list_for_each_entry_safe(nt_ddb_idx, nt_ddb_idx_tmp, list_nt, list) { |
| 5000 | fw_ddb_entry = &nt_ddb_idx->fw_ddb; |
| 5001 | |
| 5002 | if (memcmp(&fw_ddb_entry->isid[0], &isid[0], |
| 5003 | sizeof(nt_ddb_idx->fw_ddb.isid)) == 0) { |
| 5004 | return QLA_SUCCESS; |
| 5005 | } |
| 5006 | } |
| 5007 | return QLA_ERROR; |
| 5008 | } |
| 5009 | |
| 5010 | /** |
| 5011 | * qla4xxx_update_isid - compare ddbs and updated isid |
| 5012 | * @ha: Pointer to host adapter structure. |
| 5013 | * @list_nt: list of nt target |
| 5014 | * @fw_ddb_entry: firmware ddb entry |
| 5015 | * |
| 5016 | * This routine update isid if ddbs have same iqn, same isid and |
| 5017 | * different IP addr. |
| 5018 | * Return QLA_SUCCESS if isid is updated. |
| 5019 | **/ |
| 5020 | static int qla4xxx_update_isid(struct scsi_qla_host *ha, |
| 5021 | struct list_head *list_nt, |
| 5022 | struct dev_db_entry *fw_ddb_entry) |
| 5023 | { |
| 5024 | uint8_t base_value, i; |
| 5025 | |
| 5026 | base_value = fw_ddb_entry->isid[1] & 0x1f; |
| 5027 | for (i = 0; i < 8; i++) { |
| 5028 | fw_ddb_entry->isid[1] = (base_value | (i << 5)); |
| 5029 | if (qla4xxx_check_existing_isid(list_nt, fw_ddb_entry->isid)) |
| 5030 | break; |
| 5031 | } |
| 5032 | |
| 5033 | if (!qla4xxx_check_existing_isid(list_nt, fw_ddb_entry->isid)) |
| 5034 | return QLA_ERROR; |
| 5035 | |
| 5036 | return QLA_SUCCESS; |
| 5037 | } |
| 5038 | |
| 5039 | /** |
| 5040 | * qla4xxx_should_update_isid - check if isid need to update |
| 5041 | * @ha: Pointer to host adapter structure. |
| 5042 | * @old_tddb: ddb tuple |
| 5043 | * @new_tddb: ddb tuple |
| 5044 | * |
| 5045 | * Return QLA_SUCCESS if different IP, different PORT, same iqn, |
| 5046 | * same isid |
| 5047 | **/ |
| 5048 | static int qla4xxx_should_update_isid(struct scsi_qla_host *ha, |
| 5049 | struct ql4_tuple_ddb *old_tddb, |
| 5050 | struct ql4_tuple_ddb *new_tddb) |
| 5051 | { |
| 5052 | if (strcmp(old_tddb->ip_addr, new_tddb->ip_addr) == 0) { |
| 5053 | /* Same ip */ |
| 5054 | if (old_tddb->port == new_tddb->port) |
| 5055 | return QLA_ERROR; |
| 5056 | } |
| 5057 | |
| 5058 | if (strcmp(old_tddb->iscsi_name, new_tddb->iscsi_name)) |
| 5059 | /* different iqn */ |
| 5060 | return QLA_ERROR; |
| 5061 | |
| 5062 | if (memcmp(&old_tddb->isid[0], &new_tddb->isid[0], |
| 5063 | sizeof(old_tddb->isid))) |
| 5064 | /* different isid */ |
| 5065 | return QLA_ERROR; |
| 5066 | |
| 5067 | return QLA_SUCCESS; |
| 5068 | } |
| 5069 | |
| 5070 | /** |
| 5071 | * qla4xxx_is_flash_ddb_exists - check if fw_ddb_entry already exists in list_nt |
| 5072 | * @ha: Pointer to host adapter structure. |
| 5073 | * @list_nt: list of nt target. |
| 5074 | * @fw_ddb_entry: firmware ddb entry. |
| 5075 | * |
| 5076 | * This routine check if fw_ddb_entry already exists in list_nt to avoid |
| 5077 | * duplicate ddb in list_nt. |
| 5078 | * Return QLA_SUCCESS if duplicate ddb exit in list_nl. |
| 5079 | * Note: This function also update isid of DDB if required. |
| 5080 | **/ |
| 5081 | |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 5082 | static int qla4xxx_is_flash_ddb_exists(struct scsi_qla_host *ha, |
| 5083 | struct list_head *list_nt, |
| 5084 | struct dev_db_entry *fw_ddb_entry) |
| 5085 | { |
| 5086 | struct qla_ddb_index *nt_ddb_idx, *nt_ddb_idx_tmp; |
| 5087 | struct ql4_tuple_ddb *fw_tddb = NULL; |
| 5088 | struct ql4_tuple_ddb *tmp_tddb = NULL; |
Vikas Chaudhary | 1cb78d7 | 2012-06-14 06:35:48 -0400 | [diff] [blame] | 5089 | int rval, ret = QLA_ERROR; |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 5090 | |
| 5091 | fw_tddb = vzalloc(sizeof(*fw_tddb)); |
| 5092 | if (!fw_tddb) { |
| 5093 | DEBUG2(ql4_printk(KERN_WARNING, ha, |
| 5094 | "Memory Allocation failed.\n")); |
| 5095 | ret = QLA_SUCCESS; |
| 5096 | goto exit_check; |
| 5097 | } |
| 5098 | |
| 5099 | tmp_tddb = vzalloc(sizeof(*tmp_tddb)); |
| 5100 | if (!tmp_tddb) { |
| 5101 | DEBUG2(ql4_printk(KERN_WARNING, ha, |
| 5102 | "Memory Allocation failed.\n")); |
| 5103 | ret = QLA_SUCCESS; |
| 5104 | goto exit_check; |
| 5105 | } |
| 5106 | |
Vikas Chaudhary | 1cb78d7 | 2012-06-14 06:35:48 -0400 | [diff] [blame] | 5107 | qla4xxx_convert_param_ddb(fw_ddb_entry, fw_tddb, NULL); |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 5108 | |
| 5109 | list_for_each_entry_safe(nt_ddb_idx, nt_ddb_idx_tmp, list_nt, list) { |
Vikas Chaudhary | 1cb78d7 | 2012-06-14 06:35:48 -0400 | [diff] [blame] | 5110 | qla4xxx_convert_param_ddb(&nt_ddb_idx->fw_ddb, tmp_tddb, |
| 5111 | nt_ddb_idx->flash_isid); |
| 5112 | ret = qla4xxx_compare_tuple_ddb(ha, fw_tddb, tmp_tddb, true); |
| 5113 | /* found duplicate ddb */ |
| 5114 | if (ret == QLA_SUCCESS) |
| 5115 | goto exit_check; |
| 5116 | } |
| 5117 | |
| 5118 | list_for_each_entry_safe(nt_ddb_idx, nt_ddb_idx_tmp, list_nt, list) { |
| 5119 | qla4xxx_convert_param_ddb(&nt_ddb_idx->fw_ddb, tmp_tddb, NULL); |
| 5120 | |
| 5121 | ret = qla4xxx_should_update_isid(ha, tmp_tddb, fw_tddb); |
| 5122 | if (ret == QLA_SUCCESS) { |
| 5123 | rval = qla4xxx_update_isid(ha, list_nt, fw_ddb_entry); |
| 5124 | if (rval == QLA_SUCCESS) |
| 5125 | ret = QLA_ERROR; |
| 5126 | else |
| 5127 | ret = QLA_SUCCESS; |
| 5128 | |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 5129 | goto exit_check; |
| 5130 | } |
| 5131 | } |
| 5132 | |
| 5133 | exit_check: |
| 5134 | if (fw_tddb) |
| 5135 | vfree(fw_tddb); |
| 5136 | if (tmp_tddb) |
| 5137 | vfree(tmp_tddb); |
| 5138 | return ret; |
| 5139 | } |
| 5140 | |
Lalit Chandivade | 4a4bc2e | 2011-12-16 01:58:55 -0800 | [diff] [blame] | 5141 | static void qla4xxx_free_ddb_list(struct list_head *list_ddb) |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 5142 | { |
Lalit Chandivade | 4a4bc2e | 2011-12-16 01:58:55 -0800 | [diff] [blame] | 5143 | struct qla_ddb_index *ddb_idx, *ddb_idx_tmp; |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 5144 | |
Lalit Chandivade | 4a4bc2e | 2011-12-16 01:58:55 -0800 | [diff] [blame] | 5145 | list_for_each_entry_safe(ddb_idx, ddb_idx_tmp, list_ddb, list) { |
| 5146 | list_del_init(&ddb_idx->list); |
| 5147 | vfree(ddb_idx); |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 5148 | } |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 5149 | } |
| 5150 | |
| 5151 | static struct iscsi_endpoint *qla4xxx_get_ep_fwdb(struct scsi_qla_host *ha, |
| 5152 | struct dev_db_entry *fw_ddb_entry) |
| 5153 | { |
| 5154 | struct iscsi_endpoint *ep; |
| 5155 | struct sockaddr_in *addr; |
| 5156 | struct sockaddr_in6 *addr6; |
Manish Rangankar | 3dd4849 | 2012-11-23 06:58:40 -0500 | [diff] [blame] | 5157 | struct sockaddr *t_addr; |
| 5158 | struct sockaddr_storage *dst_addr; |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 5159 | char *ip; |
| 5160 | |
| 5161 | /* TODO: need to destroy on unload iscsi_endpoint*/ |
| 5162 | dst_addr = vmalloc(sizeof(*dst_addr)); |
| 5163 | if (!dst_addr) |
| 5164 | return NULL; |
| 5165 | |
| 5166 | if (fw_ddb_entry->options & DDB_OPT_IPV6_DEVICE) { |
Manish Rangankar | 3dd4849 | 2012-11-23 06:58:40 -0500 | [diff] [blame] | 5167 | t_addr = (struct sockaddr *)dst_addr; |
| 5168 | t_addr->sa_family = AF_INET6; |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 5169 | addr6 = (struct sockaddr_in6 *)dst_addr; |
| 5170 | ip = (char *)&addr6->sin6_addr; |
| 5171 | memcpy(ip, fw_ddb_entry->ip_addr, IPv6_ADDR_LEN); |
| 5172 | addr6->sin6_port = htons(le16_to_cpu(fw_ddb_entry->port)); |
| 5173 | |
| 5174 | } else { |
Manish Rangankar | 3dd4849 | 2012-11-23 06:58:40 -0500 | [diff] [blame] | 5175 | t_addr = (struct sockaddr *)dst_addr; |
| 5176 | t_addr->sa_family = AF_INET; |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 5177 | addr = (struct sockaddr_in *)dst_addr; |
| 5178 | ip = (char *)&addr->sin_addr; |
| 5179 | memcpy(ip, fw_ddb_entry->ip_addr, IP_ADDR_LEN); |
| 5180 | addr->sin_port = htons(le16_to_cpu(fw_ddb_entry->port)); |
| 5181 | } |
| 5182 | |
Manish Rangankar | 3dd4849 | 2012-11-23 06:58:40 -0500 | [diff] [blame] | 5183 | ep = qla4xxx_ep_connect(ha->host, (struct sockaddr *)dst_addr, 0); |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 5184 | vfree(dst_addr); |
| 5185 | return ep; |
| 5186 | } |
| 5187 | |
| 5188 | static int qla4xxx_verify_boot_idx(struct scsi_qla_host *ha, uint16_t idx) |
| 5189 | { |
| 5190 | if (ql4xdisablesysfsboot) |
| 5191 | return QLA_SUCCESS; |
| 5192 | if (idx == ha->pri_ddb_idx || idx == ha->sec_ddb_idx) |
| 5193 | return QLA_ERROR; |
| 5194 | return QLA_SUCCESS; |
| 5195 | } |
| 5196 | |
| 5197 | static void qla4xxx_setup_flash_ddb_entry(struct scsi_qla_host *ha, |
Manish Rangankar | 1dc8ed5 | 2013-01-20 23:51:03 -0500 | [diff] [blame] | 5198 | struct ddb_entry *ddb_entry, |
| 5199 | uint16_t idx) |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 5200 | { |
Nilesh Javali | c28eaac | 2011-12-18 21:40:44 -0800 | [diff] [blame] | 5201 | uint16_t def_timeout; |
| 5202 | |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 5203 | ddb_entry->ddb_type = FLASH_DDB; |
| 5204 | ddb_entry->fw_ddb_index = INVALID_ENTRY; |
| 5205 | ddb_entry->fw_ddb_device_state = DDB_DS_NO_CONNECTION_ACTIVE; |
| 5206 | ddb_entry->ha = ha; |
| 5207 | ddb_entry->unblock_sess = qla4xxx_unblock_flash_ddb; |
| 5208 | ddb_entry->ddb_change = qla4xxx_flash_ddb_change; |
| 5209 | |
| 5210 | atomic_set(&ddb_entry->retry_relogin_timer, INVALID_ENTRY); |
| 5211 | atomic_set(&ddb_entry->relogin_timer, 0); |
| 5212 | atomic_set(&ddb_entry->relogin_retry_count, 0); |
Nilesh Javali | c28eaac | 2011-12-18 21:40:44 -0800 | [diff] [blame] | 5213 | def_timeout = le16_to_cpu(ddb_entry->fw_ddb_entry.def_timeout); |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 5214 | ddb_entry->default_relogin_timeout = |
Nilesh Javali | c28eaac | 2011-12-18 21:40:44 -0800 | [diff] [blame] | 5215 | (def_timeout > LOGIN_TOV) && (def_timeout < LOGIN_TOV * 10) ? |
| 5216 | def_timeout : LOGIN_TOV; |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 5217 | ddb_entry->default_time2wait = |
| 5218 | le16_to_cpu(ddb_entry->fw_ddb_entry.iscsi_def_time2wait); |
Manish Rangankar | 1dc8ed5 | 2013-01-20 23:51:03 -0500 | [diff] [blame] | 5219 | |
| 5220 | if (ql4xdisablesysfsboot && |
| 5221 | (idx == ha->pri_ddb_idx || idx == ha->sec_ddb_idx)) |
| 5222 | set_bit(DF_BOOT_TGT, &ddb_entry->flags); |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 5223 | } |
| 5224 | |
| 5225 | static void qla4xxx_wait_for_ip_configuration(struct scsi_qla_host *ha) |
| 5226 | { |
| 5227 | uint32_t idx = 0; |
| 5228 | uint32_t ip_idx[IP_ADDR_COUNT] = {0, 1, 2, 3}; /* 4 IP interfaces */ |
| 5229 | uint32_t sts[MBOX_REG_COUNT]; |
| 5230 | uint32_t ip_state; |
| 5231 | unsigned long wtime; |
| 5232 | int ret; |
| 5233 | |
| 5234 | wtime = jiffies + (HZ * IP_CONFIG_TOV); |
| 5235 | do { |
| 5236 | for (idx = 0; idx < IP_ADDR_COUNT; idx++) { |
| 5237 | if (ip_idx[idx] == -1) |
| 5238 | continue; |
| 5239 | |
| 5240 | ret = qla4xxx_get_ip_state(ha, 0, ip_idx[idx], sts); |
| 5241 | |
| 5242 | if (ret == QLA_ERROR) { |
| 5243 | ip_idx[idx] = -1; |
| 5244 | continue; |
| 5245 | } |
| 5246 | |
| 5247 | ip_state = (sts[1] & IP_STATE_MASK) >> IP_STATE_SHIFT; |
| 5248 | |
| 5249 | DEBUG2(ql4_printk(KERN_INFO, ha, |
| 5250 | "Waiting for IP state for idx = %d, state = 0x%x\n", |
| 5251 | ip_idx[idx], ip_state)); |
| 5252 | if (ip_state == IP_ADDRSTATE_UNCONFIGURED || |
| 5253 | ip_state == IP_ADDRSTATE_INVALID || |
| 5254 | ip_state == IP_ADDRSTATE_PREFERRED || |
| 5255 | ip_state == IP_ADDRSTATE_DEPRICATED || |
| 5256 | ip_state == IP_ADDRSTATE_DISABLING) |
| 5257 | ip_idx[idx] = -1; |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 5258 | } |
| 5259 | |
| 5260 | /* Break if all IP states checked */ |
| 5261 | if ((ip_idx[0] == -1) && |
| 5262 | (ip_idx[1] == -1) && |
| 5263 | (ip_idx[2] == -1) && |
| 5264 | (ip_idx[3] == -1)) |
| 5265 | break; |
| 5266 | schedule_timeout_uninterruptible(HZ); |
| 5267 | } while (time_after(wtime, jiffies)); |
| 5268 | } |
| 5269 | |
Lalit Chandivade | 4a4bc2e | 2011-12-16 01:58:55 -0800 | [diff] [blame] | 5270 | static void qla4xxx_build_st_list(struct scsi_qla_host *ha, |
| 5271 | struct list_head *list_st) |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 5272 | { |
Lalit Chandivade | 4a4bc2e | 2011-12-16 01:58:55 -0800 | [diff] [blame] | 5273 | struct qla_ddb_index *st_ddb_idx; |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 5274 | int max_ddbs; |
Lalit Chandivade | 4a4bc2e | 2011-12-16 01:58:55 -0800 | [diff] [blame] | 5275 | int fw_idx_size; |
| 5276 | struct dev_db_entry *fw_ddb_entry; |
| 5277 | dma_addr_t fw_ddb_dma; |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 5278 | int ret; |
| 5279 | uint32_t idx = 0, next_idx = 0; |
| 5280 | uint32_t state = 0, conn_err = 0; |
Lalit Chandivade | 4a4bc2e | 2011-12-16 01:58:55 -0800 | [diff] [blame] | 5281 | uint16_t conn_id = 0; |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 5282 | |
| 5283 | fw_ddb_entry = dma_pool_alloc(ha->fw_ddb_dma_pool, GFP_KERNEL, |
| 5284 | &fw_ddb_dma); |
| 5285 | if (fw_ddb_entry == NULL) { |
| 5286 | DEBUG2(ql4_printk(KERN_ERR, ha, "Out of memory\n")); |
Lalit Chandivade | 4a4bc2e | 2011-12-16 01:58:55 -0800 | [diff] [blame] | 5287 | goto exit_st_list; |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 5288 | } |
| 5289 | |
Lalit Chandivade | 4a4bc2e | 2011-12-16 01:58:55 -0800 | [diff] [blame] | 5290 | max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX : |
| 5291 | MAX_DEV_DB_ENTRIES; |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 5292 | fw_idx_size = sizeof(struct qla_ddb_index); |
| 5293 | |
| 5294 | for (idx = 0; idx < max_ddbs; idx = next_idx) { |
Lalit Chandivade | 4a4bc2e | 2011-12-16 01:58:55 -0800 | [diff] [blame] | 5295 | ret = qla4xxx_get_fwddb_entry(ha, idx, fw_ddb_entry, fw_ddb_dma, |
| 5296 | NULL, &next_idx, &state, |
| 5297 | &conn_err, NULL, &conn_id); |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 5298 | if (ret == QLA_ERROR) |
| 5299 | break; |
| 5300 | |
Lalit Chandivade | 981c982 | 2012-02-13 18:30:41 +0530 | [diff] [blame] | 5301 | /* Ignore DDB if invalid state (unassigned) */ |
| 5302 | if (state == DDB_DS_UNASSIGNED) |
| 5303 | goto continue_next_st; |
| 5304 | |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 5305 | /* Check if ST, add to the list_st */ |
| 5306 | if (strlen((char *) fw_ddb_entry->iscsi_name) != 0) |
| 5307 | goto continue_next_st; |
| 5308 | |
| 5309 | st_ddb_idx = vzalloc(fw_idx_size); |
| 5310 | if (!st_ddb_idx) |
| 5311 | break; |
| 5312 | |
| 5313 | st_ddb_idx->fw_ddb_idx = idx; |
| 5314 | |
Lalit Chandivade | 4a4bc2e | 2011-12-16 01:58:55 -0800 | [diff] [blame] | 5315 | list_add_tail(&st_ddb_idx->list, list_st); |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 5316 | continue_next_st: |
| 5317 | if (next_idx == 0) |
| 5318 | break; |
| 5319 | } |
| 5320 | |
Lalit Chandivade | 4a4bc2e | 2011-12-16 01:58:55 -0800 | [diff] [blame] | 5321 | exit_st_list: |
| 5322 | if (fw_ddb_entry) |
| 5323 | dma_pool_free(ha->fw_ddb_dma_pool, fw_ddb_entry, fw_ddb_dma); |
| 5324 | } |
| 5325 | |
| 5326 | /** |
| 5327 | * qla4xxx_remove_failed_ddb - Remove inactive or failed ddb from list |
| 5328 | * @ha: pointer to adapter structure |
| 5329 | * @list_ddb: List from which failed ddb to be removed |
| 5330 | * |
| 5331 | * Iterate over the list of DDBs and find and remove DDBs that are either in |
| 5332 | * no connection active state or failed state |
| 5333 | **/ |
| 5334 | static void qla4xxx_remove_failed_ddb(struct scsi_qla_host *ha, |
| 5335 | struct list_head *list_ddb) |
| 5336 | { |
| 5337 | struct qla_ddb_index *ddb_idx, *ddb_idx_tmp; |
| 5338 | uint32_t next_idx = 0; |
| 5339 | uint32_t state = 0, conn_err = 0; |
| 5340 | int ret; |
| 5341 | |
| 5342 | list_for_each_entry_safe(ddb_idx, ddb_idx_tmp, list_ddb, list) { |
| 5343 | ret = qla4xxx_get_fwddb_entry(ha, ddb_idx->fw_ddb_idx, |
| 5344 | NULL, 0, NULL, &next_idx, &state, |
| 5345 | &conn_err, NULL, NULL); |
| 5346 | if (ret == QLA_ERROR) |
| 5347 | continue; |
| 5348 | |
| 5349 | if (state == DDB_DS_NO_CONNECTION_ACTIVE || |
| 5350 | state == DDB_DS_SESSION_FAILED) { |
| 5351 | list_del_init(&ddb_idx->list); |
| 5352 | vfree(ddb_idx); |
| 5353 | } |
| 5354 | } |
| 5355 | } |
| 5356 | |
| 5357 | static int qla4xxx_sess_conn_setup(struct scsi_qla_host *ha, |
| 5358 | struct dev_db_entry *fw_ddb_entry, |
Manish Rangankar | 1dc8ed5 | 2013-01-20 23:51:03 -0500 | [diff] [blame] | 5359 | int is_reset, uint16_t idx) |
Lalit Chandivade | 4a4bc2e | 2011-12-16 01:58:55 -0800 | [diff] [blame] | 5360 | { |
| 5361 | struct iscsi_cls_session *cls_sess; |
| 5362 | struct iscsi_session *sess; |
| 5363 | struct iscsi_cls_conn *cls_conn; |
| 5364 | struct iscsi_endpoint *ep; |
| 5365 | uint16_t cmds_max = 32; |
| 5366 | uint16_t conn_id = 0; |
| 5367 | uint32_t initial_cmdsn = 0; |
| 5368 | int ret = QLA_SUCCESS; |
| 5369 | |
| 5370 | struct ddb_entry *ddb_entry = NULL; |
| 5371 | |
| 5372 | /* Create session object, with INVALID_ENTRY, |
| 5373 | * the targer_id would get set when we issue the login |
| 5374 | */ |
| 5375 | cls_sess = iscsi_session_setup(&qla4xxx_iscsi_transport, ha->host, |
| 5376 | cmds_max, sizeof(struct ddb_entry), |
| 5377 | sizeof(struct ql4_task_data), |
| 5378 | initial_cmdsn, INVALID_ENTRY); |
| 5379 | if (!cls_sess) { |
| 5380 | ret = QLA_ERROR; |
| 5381 | goto exit_setup; |
| 5382 | } |
| 5383 | |
| 5384 | /* |
| 5385 | * so calling module_put function to decrement the |
| 5386 | * reference count. |
| 5387 | **/ |
| 5388 | module_put(qla4xxx_iscsi_transport.owner); |
| 5389 | sess = cls_sess->dd_data; |
| 5390 | ddb_entry = sess->dd_data; |
| 5391 | ddb_entry->sess = cls_sess; |
| 5392 | |
| 5393 | cls_sess->recovery_tmo = ql4xsess_recovery_tmo; |
| 5394 | memcpy(&ddb_entry->fw_ddb_entry, fw_ddb_entry, |
| 5395 | sizeof(struct dev_db_entry)); |
| 5396 | |
Manish Rangankar | 1dc8ed5 | 2013-01-20 23:51:03 -0500 | [diff] [blame] | 5397 | qla4xxx_setup_flash_ddb_entry(ha, ddb_entry, idx); |
Lalit Chandivade | 4a4bc2e | 2011-12-16 01:58:55 -0800 | [diff] [blame] | 5398 | |
| 5399 | cls_conn = iscsi_conn_setup(cls_sess, sizeof(struct qla_conn), conn_id); |
| 5400 | |
| 5401 | if (!cls_conn) { |
| 5402 | ret = QLA_ERROR; |
| 5403 | goto exit_setup; |
| 5404 | } |
| 5405 | |
| 5406 | ddb_entry->conn = cls_conn; |
| 5407 | |
| 5408 | /* Setup ep, for displaying attributes in sysfs */ |
| 5409 | ep = qla4xxx_get_ep_fwdb(ha, fw_ddb_entry); |
| 5410 | if (ep) { |
| 5411 | ep->conn = cls_conn; |
| 5412 | cls_conn->ep = ep; |
| 5413 | } else { |
| 5414 | DEBUG2(ql4_printk(KERN_ERR, ha, "Unable to get ep\n")); |
| 5415 | ret = QLA_ERROR; |
| 5416 | goto exit_setup; |
| 5417 | } |
| 5418 | |
| 5419 | /* Update sess/conn params */ |
| 5420 | qla4xxx_copy_fwddb_param(ha, fw_ddb_entry, cls_sess, cls_conn); |
| 5421 | |
| 5422 | if (is_reset == RESET_ADAPTER) { |
| 5423 | iscsi_block_session(cls_sess); |
| 5424 | /* Use the relogin path to discover new devices |
| 5425 | * by short-circuting the logic of setting |
| 5426 | * timer to relogin - instead set the flags |
| 5427 | * to initiate login right away. |
| 5428 | */ |
| 5429 | set_bit(DPC_RELOGIN_DEVICE, &ha->dpc_flags); |
| 5430 | set_bit(DF_RELOGIN, &ddb_entry->flags); |
| 5431 | } |
| 5432 | |
| 5433 | exit_setup: |
| 5434 | return ret; |
| 5435 | } |
| 5436 | |
| 5437 | static void qla4xxx_build_nt_list(struct scsi_qla_host *ha, |
| 5438 | struct list_head *list_nt, int is_reset) |
| 5439 | { |
| 5440 | struct dev_db_entry *fw_ddb_entry; |
| 5441 | dma_addr_t fw_ddb_dma; |
| 5442 | int max_ddbs; |
| 5443 | int fw_idx_size; |
| 5444 | int ret; |
| 5445 | uint32_t idx = 0, next_idx = 0; |
| 5446 | uint32_t state = 0, conn_err = 0; |
| 5447 | uint16_t conn_id = 0; |
| 5448 | struct qla_ddb_index *nt_ddb_idx; |
| 5449 | |
| 5450 | fw_ddb_entry = dma_pool_alloc(ha->fw_ddb_dma_pool, GFP_KERNEL, |
| 5451 | &fw_ddb_dma); |
| 5452 | if (fw_ddb_entry == NULL) { |
| 5453 | DEBUG2(ql4_printk(KERN_ERR, ha, "Out of memory\n")); |
| 5454 | goto exit_nt_list; |
| 5455 | } |
| 5456 | max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX : |
| 5457 | MAX_DEV_DB_ENTRIES; |
| 5458 | fw_idx_size = sizeof(struct qla_ddb_index); |
| 5459 | |
| 5460 | for (idx = 0; idx < max_ddbs; idx = next_idx) { |
| 5461 | ret = qla4xxx_get_fwddb_entry(ha, idx, fw_ddb_entry, fw_ddb_dma, |
| 5462 | NULL, &next_idx, &state, |
| 5463 | &conn_err, NULL, &conn_id); |
| 5464 | if (ret == QLA_ERROR) |
| 5465 | break; |
| 5466 | |
| 5467 | if (qla4xxx_verify_boot_idx(ha, idx) != QLA_SUCCESS) |
| 5468 | goto continue_next_nt; |
| 5469 | |
| 5470 | /* Check if NT, then add to list it */ |
| 5471 | if (strlen((char *) fw_ddb_entry->iscsi_name) == 0) |
| 5472 | goto continue_next_nt; |
| 5473 | |
| 5474 | if (!(state == DDB_DS_NO_CONNECTION_ACTIVE || |
| 5475 | state == DDB_DS_SESSION_FAILED)) |
| 5476 | goto continue_next_nt; |
| 5477 | |
| 5478 | DEBUG2(ql4_printk(KERN_INFO, ha, |
| 5479 | "Adding DDB to session = 0x%x\n", idx)); |
| 5480 | if (is_reset == INIT_ADAPTER) { |
| 5481 | nt_ddb_idx = vmalloc(fw_idx_size); |
| 5482 | if (!nt_ddb_idx) |
| 5483 | break; |
| 5484 | |
| 5485 | nt_ddb_idx->fw_ddb_idx = idx; |
| 5486 | |
Vikas Chaudhary | 1cb78d7 | 2012-06-14 06:35:48 -0400 | [diff] [blame] | 5487 | /* Copy original isid as it may get updated in function |
| 5488 | * qla4xxx_update_isid(). We need original isid in |
| 5489 | * function qla4xxx_compare_tuple_ddb to find duplicate |
| 5490 | * target */ |
| 5491 | memcpy(&nt_ddb_idx->flash_isid[0], |
| 5492 | &fw_ddb_entry->isid[0], |
| 5493 | sizeof(nt_ddb_idx->flash_isid)); |
Lalit Chandivade | 4a4bc2e | 2011-12-16 01:58:55 -0800 | [diff] [blame] | 5494 | |
Vikas Chaudhary | 1cb78d7 | 2012-06-14 06:35:48 -0400 | [diff] [blame] | 5495 | ret = qla4xxx_is_flash_ddb_exists(ha, list_nt, |
| 5496 | fw_ddb_entry); |
| 5497 | if (ret == QLA_SUCCESS) { |
| 5498 | /* free nt_ddb_idx and do not add to list_nt */ |
Lalit Chandivade | 4a4bc2e | 2011-12-16 01:58:55 -0800 | [diff] [blame] | 5499 | vfree(nt_ddb_idx); |
| 5500 | goto continue_next_nt; |
| 5501 | } |
Vikas Chaudhary | 1cb78d7 | 2012-06-14 06:35:48 -0400 | [diff] [blame] | 5502 | |
| 5503 | /* Copy updated isid */ |
| 5504 | memcpy(&nt_ddb_idx->fw_ddb, fw_ddb_entry, |
| 5505 | sizeof(struct dev_db_entry)); |
| 5506 | |
Lalit Chandivade | 4a4bc2e | 2011-12-16 01:58:55 -0800 | [diff] [blame] | 5507 | list_add_tail(&nt_ddb_idx->list, list_nt); |
| 5508 | } else if (is_reset == RESET_ADAPTER) { |
| 5509 | if (qla4xxx_is_session_exists(ha, fw_ddb_entry) == |
| 5510 | QLA_SUCCESS) |
| 5511 | goto continue_next_nt; |
| 5512 | } |
| 5513 | |
Manish Rangankar | 1dc8ed5 | 2013-01-20 23:51:03 -0500 | [diff] [blame] | 5514 | ret = qla4xxx_sess_conn_setup(ha, fw_ddb_entry, is_reset, idx); |
Lalit Chandivade | 4a4bc2e | 2011-12-16 01:58:55 -0800 | [diff] [blame] | 5515 | if (ret == QLA_ERROR) |
| 5516 | goto exit_nt_list; |
| 5517 | |
| 5518 | continue_next_nt: |
| 5519 | if (next_idx == 0) |
| 5520 | break; |
| 5521 | } |
| 5522 | |
| 5523 | exit_nt_list: |
| 5524 | if (fw_ddb_entry) |
| 5525 | dma_pool_free(ha->fw_ddb_dma_pool, fw_ddb_entry, fw_ddb_dma); |
| 5526 | } |
| 5527 | |
Adheer Chandravanshi | 1e9e2be | 2013-03-22 07:41:31 -0400 | [diff] [blame] | 5528 | static void qla4xxx_build_new_nt_list(struct scsi_qla_host *ha, |
| 5529 | struct list_head *list_nt) |
| 5530 | { |
| 5531 | struct dev_db_entry *fw_ddb_entry; |
| 5532 | dma_addr_t fw_ddb_dma; |
| 5533 | int max_ddbs; |
| 5534 | int fw_idx_size; |
| 5535 | int ret; |
| 5536 | uint32_t idx = 0, next_idx = 0; |
| 5537 | uint32_t state = 0, conn_err = 0; |
| 5538 | uint16_t conn_id = 0; |
| 5539 | struct qla_ddb_index *nt_ddb_idx; |
| 5540 | |
| 5541 | fw_ddb_entry = dma_pool_alloc(ha->fw_ddb_dma_pool, GFP_KERNEL, |
| 5542 | &fw_ddb_dma); |
| 5543 | if (fw_ddb_entry == NULL) { |
| 5544 | DEBUG2(ql4_printk(KERN_ERR, ha, "Out of memory\n")); |
| 5545 | goto exit_new_nt_list; |
| 5546 | } |
| 5547 | max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX : |
| 5548 | MAX_DEV_DB_ENTRIES; |
| 5549 | fw_idx_size = sizeof(struct qla_ddb_index); |
| 5550 | |
| 5551 | for (idx = 0; idx < max_ddbs; idx = next_idx) { |
| 5552 | ret = qla4xxx_get_fwddb_entry(ha, idx, fw_ddb_entry, fw_ddb_dma, |
| 5553 | NULL, &next_idx, &state, |
| 5554 | &conn_err, NULL, &conn_id); |
| 5555 | if (ret == QLA_ERROR) |
| 5556 | break; |
| 5557 | |
| 5558 | /* Check if NT, then add it to list */ |
| 5559 | if (strlen((char *)fw_ddb_entry->iscsi_name) == 0) |
| 5560 | goto continue_next_new_nt; |
| 5561 | |
| 5562 | if (!(state == DDB_DS_NO_CONNECTION_ACTIVE)) |
| 5563 | goto continue_next_new_nt; |
| 5564 | |
| 5565 | DEBUG2(ql4_printk(KERN_INFO, ha, |
| 5566 | "Adding DDB to session = 0x%x\n", idx)); |
| 5567 | |
| 5568 | nt_ddb_idx = vmalloc(fw_idx_size); |
| 5569 | if (!nt_ddb_idx) |
| 5570 | break; |
| 5571 | |
| 5572 | nt_ddb_idx->fw_ddb_idx = idx; |
| 5573 | |
| 5574 | ret = qla4xxx_is_session_exists(ha, fw_ddb_entry); |
| 5575 | if (ret == QLA_SUCCESS) { |
| 5576 | /* free nt_ddb_idx and do not add to list_nt */ |
| 5577 | vfree(nt_ddb_idx); |
| 5578 | goto continue_next_new_nt; |
| 5579 | } |
| 5580 | |
| 5581 | list_add_tail(&nt_ddb_idx->list, list_nt); |
| 5582 | |
| 5583 | ret = qla4xxx_sess_conn_setup(ha, fw_ddb_entry, RESET_ADAPTER, |
| 5584 | idx); |
| 5585 | if (ret == QLA_ERROR) |
| 5586 | goto exit_new_nt_list; |
| 5587 | |
| 5588 | continue_next_new_nt: |
| 5589 | if (next_idx == 0) |
| 5590 | break; |
| 5591 | } |
| 5592 | |
| 5593 | exit_new_nt_list: |
| 5594 | if (fw_ddb_entry) |
| 5595 | dma_pool_free(ha->fw_ddb_dma_pool, fw_ddb_entry, fw_ddb_dma); |
| 5596 | } |
| 5597 | |
| 5598 | /** |
| 5599 | * qla4xxx_sysfs_ddb_is_non_persistent - check for non-persistence of ddb entry |
| 5600 | * @dev: dev associated with the sysfs entry |
| 5601 | * @data: pointer to flashnode session object |
| 5602 | * |
| 5603 | * Returns: |
| 5604 | * 1: if flashnode entry is non-persistent |
| 5605 | * 0: if flashnode entry is persistent |
| 5606 | **/ |
| 5607 | static int qla4xxx_sysfs_ddb_is_non_persistent(struct device *dev, void *data) |
| 5608 | { |
| 5609 | struct iscsi_bus_flash_session *fnode_sess; |
| 5610 | |
| 5611 | if (!iscsi_flashnode_bus_match(dev, NULL)) |
| 5612 | return 0; |
| 5613 | |
| 5614 | fnode_sess = iscsi_dev_to_flash_session(dev); |
| 5615 | |
| 5616 | return (fnode_sess->flash_state == DEV_DB_NON_PERSISTENT); |
| 5617 | } |
| 5618 | |
| 5619 | /** |
| 5620 | * qla4xxx_sysfs_ddb_tgt_create - Create sysfs entry for target |
| 5621 | * @ha: pointer to host |
| 5622 | * @fw_ddb_entry: flash ddb data |
| 5623 | * @idx: target index |
| 5624 | * @user: if set then this call is made from userland else from kernel |
| 5625 | * |
| 5626 | * Returns: |
| 5627 | * On sucess: QLA_SUCCESS |
| 5628 | * On failure: QLA_ERROR |
| 5629 | * |
| 5630 | * This create separate sysfs entries for session and connection attributes of |
| 5631 | * the given fw ddb entry. |
| 5632 | * If this is invoked as a result of a userspace call then the entry is marked |
| 5633 | * as nonpersistent using flash_state field. |
| 5634 | **/ |
Vikas Chaudhary | 28e02f1 | 2013-04-17 05:15:27 -0400 | [diff] [blame] | 5635 | static int qla4xxx_sysfs_ddb_tgt_create(struct scsi_qla_host *ha, |
| 5636 | struct dev_db_entry *fw_ddb_entry, |
| 5637 | uint16_t *idx, int user) |
Adheer Chandravanshi | 1e9e2be | 2013-03-22 07:41:31 -0400 | [diff] [blame] | 5638 | { |
| 5639 | struct iscsi_bus_flash_session *fnode_sess = NULL; |
| 5640 | struct iscsi_bus_flash_conn *fnode_conn = NULL; |
| 5641 | int rc = QLA_ERROR; |
| 5642 | |
| 5643 | fnode_sess = iscsi_create_flashnode_sess(ha->host, *idx, |
| 5644 | &qla4xxx_iscsi_transport, 0); |
| 5645 | if (!fnode_sess) { |
| 5646 | ql4_printk(KERN_ERR, ha, |
| 5647 | "%s: Unable to create session sysfs entry for flashnode %d of host%lu\n", |
| 5648 | __func__, *idx, ha->host_no); |
| 5649 | goto exit_tgt_create; |
| 5650 | } |
| 5651 | |
| 5652 | fnode_conn = iscsi_create_flashnode_conn(ha->host, fnode_sess, |
| 5653 | &qla4xxx_iscsi_transport, 0); |
| 5654 | if (!fnode_conn) { |
| 5655 | ql4_printk(KERN_ERR, ha, |
| 5656 | "%s: Unable to create conn sysfs entry for flashnode %d of host%lu\n", |
| 5657 | __func__, *idx, ha->host_no); |
| 5658 | goto free_sess; |
| 5659 | } |
| 5660 | |
| 5661 | if (user) { |
| 5662 | fnode_sess->flash_state = DEV_DB_NON_PERSISTENT; |
| 5663 | } else { |
| 5664 | fnode_sess->flash_state = DEV_DB_PERSISTENT; |
| 5665 | |
| 5666 | if (*idx == ha->pri_ddb_idx || *idx == ha->sec_ddb_idx) |
| 5667 | fnode_sess->is_boot_target = 1; |
| 5668 | else |
| 5669 | fnode_sess->is_boot_target = 0; |
| 5670 | } |
| 5671 | |
| 5672 | rc = qla4xxx_copy_from_fwddb_param(fnode_sess, fnode_conn, |
| 5673 | fw_ddb_entry); |
| 5674 | |
| 5675 | ql4_printk(KERN_INFO, ha, "%s: sysfs entry %s created\n", |
| 5676 | __func__, fnode_sess->dev.kobj.name); |
| 5677 | |
| 5678 | ql4_printk(KERN_INFO, ha, "%s: sysfs entry %s created\n", |
| 5679 | __func__, fnode_conn->dev.kobj.name); |
| 5680 | |
| 5681 | return QLA_SUCCESS; |
| 5682 | |
| 5683 | free_sess: |
| 5684 | iscsi_destroy_flashnode_sess(fnode_sess); |
| 5685 | |
| 5686 | exit_tgt_create: |
| 5687 | return QLA_ERROR; |
| 5688 | } |
| 5689 | |
| 5690 | /** |
| 5691 | * qla4xxx_sysfs_ddb_add - Add new ddb entry in flash |
| 5692 | * @shost: pointer to host |
| 5693 | * @buf: type of ddb entry (ipv4/ipv6) |
| 5694 | * @len: length of buf |
| 5695 | * |
| 5696 | * This creates new ddb entry in the flash by finding first free index and |
| 5697 | * storing default ddb there. And then create sysfs entry for the new ddb entry. |
| 5698 | **/ |
| 5699 | static int qla4xxx_sysfs_ddb_add(struct Scsi_Host *shost, const char *buf, |
| 5700 | int len) |
| 5701 | { |
| 5702 | struct scsi_qla_host *ha = to_qla_host(shost); |
| 5703 | struct dev_db_entry *fw_ddb_entry = NULL; |
| 5704 | dma_addr_t fw_ddb_entry_dma; |
| 5705 | struct device *dev; |
| 5706 | uint16_t idx = 0; |
| 5707 | uint16_t max_ddbs = 0; |
| 5708 | uint32_t options = 0; |
| 5709 | uint32_t rval = QLA_ERROR; |
| 5710 | |
Adheer Chandravanshi | c962c18 | 2013-03-25 08:08:32 -0400 | [diff] [blame] | 5711 | if (strncasecmp(PORTAL_TYPE_IPV4, buf, 4) && |
| 5712 | strncasecmp(PORTAL_TYPE_IPV6, buf, 4)) { |
Adheer Chandravanshi | 1e9e2be | 2013-03-22 07:41:31 -0400 | [diff] [blame] | 5713 | DEBUG2(ql4_printk(KERN_ERR, ha, "%s: Invalid portal type\n", |
| 5714 | __func__)); |
| 5715 | goto exit_ddb_add; |
| 5716 | } |
| 5717 | |
Adheer Chandravanshi | a957a7d | 2013-04-05 07:06:08 -0400 | [diff] [blame] | 5718 | max_ddbs = is_qla40XX(ha) ? MAX_PRST_DEV_DB_ENTRIES : |
Adheer Chandravanshi | 1e9e2be | 2013-03-22 07:41:31 -0400 | [diff] [blame] | 5719 | MAX_DEV_DB_ENTRIES; |
| 5720 | |
| 5721 | fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), |
| 5722 | &fw_ddb_entry_dma, GFP_KERNEL); |
| 5723 | if (!fw_ddb_entry) { |
| 5724 | DEBUG2(ql4_printk(KERN_ERR, ha, |
| 5725 | "%s: Unable to allocate dma buffer\n", |
| 5726 | __func__)); |
| 5727 | goto exit_ddb_add; |
| 5728 | } |
| 5729 | |
| 5730 | dev = iscsi_find_flashnode_sess(ha->host, NULL, |
| 5731 | qla4xxx_sysfs_ddb_is_non_persistent); |
| 5732 | if (dev) { |
| 5733 | ql4_printk(KERN_ERR, ha, |
| 5734 | "%s: A non-persistent entry %s found\n", |
| 5735 | __func__, dev->kobj.name); |
Mike Christie | 8526cb1 | 2013-05-06 12:06:56 -0500 | [diff] [blame] | 5736 | put_device(dev); |
Adheer Chandravanshi | 1e9e2be | 2013-03-22 07:41:31 -0400 | [diff] [blame] | 5737 | goto exit_ddb_add; |
| 5738 | } |
| 5739 | |
Adheer Chandravanshi | 9993757 | 2013-07-08 08:33:09 -0400 | [diff] [blame] | 5740 | /* Index 0 and 1 are reserved for boot target entries */ |
| 5741 | for (idx = 2; idx < max_ddbs; idx++) { |
Adheer Chandravanshi | 1e9e2be | 2013-03-22 07:41:31 -0400 | [diff] [blame] | 5742 | if (qla4xxx_flashdb_by_index(ha, fw_ddb_entry, |
| 5743 | fw_ddb_entry_dma, idx)) |
| 5744 | break; |
| 5745 | } |
| 5746 | |
| 5747 | if (idx == max_ddbs) |
| 5748 | goto exit_ddb_add; |
| 5749 | |
| 5750 | if (!strncasecmp("ipv6", buf, 4)) |
| 5751 | options |= IPV6_DEFAULT_DDB_ENTRY; |
| 5752 | |
| 5753 | rval = qla4xxx_get_default_ddb(ha, options, fw_ddb_entry_dma); |
| 5754 | if (rval == QLA_ERROR) |
| 5755 | goto exit_ddb_add; |
| 5756 | |
| 5757 | rval = qla4xxx_sysfs_ddb_tgt_create(ha, fw_ddb_entry, &idx, 1); |
| 5758 | |
| 5759 | exit_ddb_add: |
| 5760 | if (fw_ddb_entry) |
| 5761 | dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), |
| 5762 | fw_ddb_entry, fw_ddb_entry_dma); |
| 5763 | if (rval == QLA_SUCCESS) |
| 5764 | return idx; |
| 5765 | else |
| 5766 | return -EIO; |
| 5767 | } |
| 5768 | |
| 5769 | /** |
| 5770 | * qla4xxx_sysfs_ddb_apply - write the target ddb contents to Flash |
| 5771 | * @fnode_sess: pointer to session attrs of flash ddb entry |
| 5772 | * @fnode_conn: pointer to connection attrs of flash ddb entry |
| 5773 | * |
| 5774 | * This writes the contents of target ddb buffer to Flash with a valid cookie |
| 5775 | * value in order to make the ddb entry persistent. |
| 5776 | **/ |
| 5777 | static int qla4xxx_sysfs_ddb_apply(struct iscsi_bus_flash_session *fnode_sess, |
| 5778 | struct iscsi_bus_flash_conn *fnode_conn) |
| 5779 | { |
| 5780 | struct Scsi_Host *shost = iscsi_flash_session_to_shost(fnode_sess); |
| 5781 | struct scsi_qla_host *ha = to_qla_host(shost); |
| 5782 | uint32_t dev_db_start_offset = FLASH_OFFSET_DB_INFO; |
| 5783 | struct dev_db_entry *fw_ddb_entry = NULL; |
| 5784 | dma_addr_t fw_ddb_entry_dma; |
| 5785 | uint32_t options = 0; |
| 5786 | int rval = 0; |
| 5787 | |
| 5788 | fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), |
| 5789 | &fw_ddb_entry_dma, GFP_KERNEL); |
| 5790 | if (!fw_ddb_entry) { |
| 5791 | DEBUG2(ql4_printk(KERN_ERR, ha, |
| 5792 | "%s: Unable to allocate dma buffer\n", |
| 5793 | __func__)); |
| 5794 | rval = -ENOMEM; |
| 5795 | goto exit_ddb_apply; |
| 5796 | } |
| 5797 | |
Adheer Chandravanshi | c962c18 | 2013-03-25 08:08:32 -0400 | [diff] [blame] | 5798 | if (!strncasecmp(fnode_sess->portal_type, PORTAL_TYPE_IPV6, 4)) |
Adheer Chandravanshi | 1e9e2be | 2013-03-22 07:41:31 -0400 | [diff] [blame] | 5799 | options |= IPV6_DEFAULT_DDB_ENTRY; |
| 5800 | |
| 5801 | rval = qla4xxx_get_default_ddb(ha, options, fw_ddb_entry_dma); |
| 5802 | if (rval == QLA_ERROR) |
| 5803 | goto exit_ddb_apply; |
| 5804 | |
| 5805 | dev_db_start_offset += (fnode_sess->target_id * |
| 5806 | sizeof(*fw_ddb_entry)); |
| 5807 | |
| 5808 | qla4xxx_copy_to_fwddb_param(fnode_sess, fnode_conn, fw_ddb_entry); |
| 5809 | fw_ddb_entry->cookie = DDB_VALID_COOKIE; |
| 5810 | |
| 5811 | rval = qla4xxx_set_flash(ha, fw_ddb_entry_dma, dev_db_start_offset, |
| 5812 | sizeof(*fw_ddb_entry), FLASH_OPT_RMW_COMMIT); |
| 5813 | |
| 5814 | if (rval == QLA_SUCCESS) { |
| 5815 | fnode_sess->flash_state = DEV_DB_PERSISTENT; |
| 5816 | ql4_printk(KERN_INFO, ha, |
| 5817 | "%s: flash node %u of host %lu written to flash\n", |
| 5818 | __func__, fnode_sess->target_id, ha->host_no); |
| 5819 | } else { |
| 5820 | rval = -EIO; |
| 5821 | ql4_printk(KERN_ERR, ha, |
| 5822 | "%s: Error while writing flash node %u of host %lu to flash\n", |
| 5823 | __func__, fnode_sess->target_id, ha->host_no); |
| 5824 | } |
| 5825 | |
| 5826 | exit_ddb_apply: |
| 5827 | if (fw_ddb_entry) |
| 5828 | dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), |
| 5829 | fw_ddb_entry, fw_ddb_entry_dma); |
| 5830 | return rval; |
| 5831 | } |
| 5832 | |
| 5833 | static ssize_t qla4xxx_sysfs_ddb_conn_open(struct scsi_qla_host *ha, |
| 5834 | struct dev_db_entry *fw_ddb_entry, |
| 5835 | uint16_t idx) |
| 5836 | { |
| 5837 | struct dev_db_entry *ddb_entry = NULL; |
| 5838 | dma_addr_t ddb_entry_dma; |
| 5839 | unsigned long wtime; |
| 5840 | uint32_t mbx_sts = 0; |
| 5841 | uint32_t state = 0, conn_err = 0; |
| 5842 | uint16_t tmo = 0; |
| 5843 | int ret = 0; |
| 5844 | |
| 5845 | ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*ddb_entry), |
| 5846 | &ddb_entry_dma, GFP_KERNEL); |
| 5847 | if (!ddb_entry) { |
| 5848 | DEBUG2(ql4_printk(KERN_ERR, ha, |
| 5849 | "%s: Unable to allocate dma buffer\n", |
| 5850 | __func__)); |
| 5851 | return QLA_ERROR; |
| 5852 | } |
| 5853 | |
| 5854 | memcpy(ddb_entry, fw_ddb_entry, sizeof(*ddb_entry)); |
| 5855 | |
| 5856 | ret = qla4xxx_set_ddb_entry(ha, idx, ddb_entry_dma, &mbx_sts); |
| 5857 | if (ret != QLA_SUCCESS) { |
| 5858 | DEBUG2(ql4_printk(KERN_ERR, ha, |
| 5859 | "%s: Unable to set ddb entry for index %d\n", |
| 5860 | __func__, idx)); |
| 5861 | goto exit_ddb_conn_open; |
| 5862 | } |
| 5863 | |
| 5864 | qla4xxx_conn_open(ha, idx); |
| 5865 | |
| 5866 | /* To ensure that sendtargets is done, wait for at least 12 secs */ |
| 5867 | tmo = ((ha->def_timeout > LOGIN_TOV) && |
| 5868 | (ha->def_timeout < LOGIN_TOV * 10) ? |
| 5869 | ha->def_timeout : LOGIN_TOV); |
| 5870 | |
| 5871 | DEBUG2(ql4_printk(KERN_INFO, ha, |
| 5872 | "Default time to wait for login to ddb %d\n", tmo)); |
| 5873 | |
| 5874 | wtime = jiffies + (HZ * tmo); |
| 5875 | do { |
| 5876 | ret = qla4xxx_get_fwddb_entry(ha, idx, NULL, 0, NULL, |
| 5877 | NULL, &state, &conn_err, NULL, |
| 5878 | NULL); |
| 5879 | if (ret == QLA_ERROR) |
| 5880 | continue; |
| 5881 | |
| 5882 | if (state == DDB_DS_NO_CONNECTION_ACTIVE || |
| 5883 | state == DDB_DS_SESSION_FAILED) |
| 5884 | break; |
| 5885 | |
| 5886 | schedule_timeout_uninterruptible(HZ / 10); |
| 5887 | } while (time_after(wtime, jiffies)); |
| 5888 | |
| 5889 | exit_ddb_conn_open: |
| 5890 | if (ddb_entry) |
| 5891 | dma_free_coherent(&ha->pdev->dev, sizeof(*ddb_entry), |
| 5892 | ddb_entry, ddb_entry_dma); |
| 5893 | return ret; |
| 5894 | } |
| 5895 | |
| 5896 | static int qla4xxx_ddb_login_st(struct scsi_qla_host *ha, |
| 5897 | struct dev_db_entry *fw_ddb_entry) |
| 5898 | { |
| 5899 | struct qla_ddb_index *ddb_idx, *ddb_idx_tmp; |
| 5900 | struct list_head list_nt; |
| 5901 | uint16_t ddb_index; |
| 5902 | int ret = 0; |
| 5903 | |
| 5904 | if (test_bit(AF_ST_DISCOVERY_IN_PROGRESS, &ha->flags)) { |
| 5905 | ql4_printk(KERN_WARNING, ha, |
| 5906 | "%s: A discovery already in progress!\n", __func__); |
| 5907 | return QLA_ERROR; |
| 5908 | } |
| 5909 | |
| 5910 | INIT_LIST_HEAD(&list_nt); |
| 5911 | |
| 5912 | set_bit(AF_ST_DISCOVERY_IN_PROGRESS, &ha->flags); |
| 5913 | |
| 5914 | ret = qla4xxx_get_ddb_index(ha, &ddb_index); |
| 5915 | if (ret == QLA_ERROR) |
| 5916 | goto exit_login_st_clr_bit; |
| 5917 | |
| 5918 | ret = qla4xxx_sysfs_ddb_conn_open(ha, fw_ddb_entry, ddb_index); |
| 5919 | if (ret == QLA_ERROR) |
| 5920 | goto exit_login_st; |
| 5921 | |
| 5922 | qla4xxx_build_new_nt_list(ha, &list_nt); |
| 5923 | |
| 5924 | list_for_each_entry_safe(ddb_idx, ddb_idx_tmp, &list_nt, list) { |
| 5925 | list_del_init(&ddb_idx->list); |
| 5926 | qla4xxx_clear_ddb_entry(ha, ddb_idx->fw_ddb_idx); |
| 5927 | vfree(ddb_idx); |
| 5928 | } |
| 5929 | |
| 5930 | exit_login_st: |
| 5931 | if (qla4xxx_clear_ddb_entry(ha, ddb_index) == QLA_ERROR) { |
| 5932 | ql4_printk(KERN_ERR, ha, |
| 5933 | "Unable to clear DDB index = 0x%x\n", ddb_index); |
| 5934 | } |
| 5935 | |
| 5936 | clear_bit(ddb_index, ha->ddb_idx_map); |
| 5937 | |
| 5938 | exit_login_st_clr_bit: |
| 5939 | clear_bit(AF_ST_DISCOVERY_IN_PROGRESS, &ha->flags); |
| 5940 | return ret; |
| 5941 | } |
| 5942 | |
| 5943 | static int qla4xxx_ddb_login_nt(struct scsi_qla_host *ha, |
| 5944 | struct dev_db_entry *fw_ddb_entry, |
| 5945 | uint16_t idx) |
| 5946 | { |
| 5947 | int ret = QLA_ERROR; |
| 5948 | |
| 5949 | ret = qla4xxx_is_session_exists(ha, fw_ddb_entry); |
| 5950 | if (ret != QLA_SUCCESS) |
| 5951 | ret = qla4xxx_sess_conn_setup(ha, fw_ddb_entry, RESET_ADAPTER, |
| 5952 | idx); |
| 5953 | else |
| 5954 | ret = -EPERM; |
| 5955 | |
| 5956 | return ret; |
| 5957 | } |
| 5958 | |
| 5959 | /** |
| 5960 | * qla4xxx_sysfs_ddb_login - Login to the specified target |
| 5961 | * @fnode_sess: pointer to session attrs of flash ddb entry |
| 5962 | * @fnode_conn: pointer to connection attrs of flash ddb entry |
| 5963 | * |
| 5964 | * This logs in to the specified target |
| 5965 | **/ |
| 5966 | static int qla4xxx_sysfs_ddb_login(struct iscsi_bus_flash_session *fnode_sess, |
| 5967 | struct iscsi_bus_flash_conn *fnode_conn) |
| 5968 | { |
| 5969 | struct Scsi_Host *shost = iscsi_flash_session_to_shost(fnode_sess); |
| 5970 | struct scsi_qla_host *ha = to_qla_host(shost); |
| 5971 | struct dev_db_entry *fw_ddb_entry = NULL; |
| 5972 | dma_addr_t fw_ddb_entry_dma; |
| 5973 | uint32_t options = 0; |
| 5974 | int ret = 0; |
| 5975 | |
| 5976 | if (fnode_sess->flash_state == DEV_DB_NON_PERSISTENT) { |
| 5977 | ql4_printk(KERN_ERR, ha, |
| 5978 | "%s: Target info is not persistent\n", __func__); |
| 5979 | ret = -EIO; |
| 5980 | goto exit_ddb_login; |
| 5981 | } |
| 5982 | |
| 5983 | fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), |
| 5984 | &fw_ddb_entry_dma, GFP_KERNEL); |
| 5985 | if (!fw_ddb_entry) { |
| 5986 | DEBUG2(ql4_printk(KERN_ERR, ha, |
| 5987 | "%s: Unable to allocate dma buffer\n", |
| 5988 | __func__)); |
| 5989 | ret = -ENOMEM; |
| 5990 | goto exit_ddb_login; |
| 5991 | } |
| 5992 | |
Adheer Chandravanshi | c962c18 | 2013-03-25 08:08:32 -0400 | [diff] [blame] | 5993 | if (!strncasecmp(fnode_sess->portal_type, PORTAL_TYPE_IPV6, 4)) |
Adheer Chandravanshi | 1e9e2be | 2013-03-22 07:41:31 -0400 | [diff] [blame] | 5994 | options |= IPV6_DEFAULT_DDB_ENTRY; |
| 5995 | |
| 5996 | ret = qla4xxx_get_default_ddb(ha, options, fw_ddb_entry_dma); |
| 5997 | if (ret == QLA_ERROR) |
| 5998 | goto exit_ddb_login; |
| 5999 | |
| 6000 | qla4xxx_copy_to_fwddb_param(fnode_sess, fnode_conn, fw_ddb_entry); |
| 6001 | fw_ddb_entry->cookie = DDB_VALID_COOKIE; |
| 6002 | |
| 6003 | if (strlen((char *)fw_ddb_entry->iscsi_name) == 0) |
| 6004 | ret = qla4xxx_ddb_login_st(ha, fw_ddb_entry); |
| 6005 | else |
| 6006 | ret = qla4xxx_ddb_login_nt(ha, fw_ddb_entry, |
| 6007 | fnode_sess->target_id); |
| 6008 | |
| 6009 | if (ret > 0) |
| 6010 | ret = -EIO; |
| 6011 | |
| 6012 | exit_ddb_login: |
| 6013 | if (fw_ddb_entry) |
| 6014 | dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), |
| 6015 | fw_ddb_entry, fw_ddb_entry_dma); |
| 6016 | return ret; |
| 6017 | } |
| 6018 | |
| 6019 | /** |
| 6020 | * qla4xxx_sysfs_ddb_logout_sid - Logout session for the specified target |
| 6021 | * @cls_sess: pointer to session to be logged out |
| 6022 | * |
| 6023 | * This performs session log out from the specified target |
| 6024 | **/ |
| 6025 | static int qla4xxx_sysfs_ddb_logout_sid(struct iscsi_cls_session *cls_sess) |
| 6026 | { |
| 6027 | struct iscsi_session *sess; |
| 6028 | struct ddb_entry *ddb_entry = NULL; |
| 6029 | struct scsi_qla_host *ha; |
| 6030 | struct dev_db_entry *fw_ddb_entry = NULL; |
| 6031 | dma_addr_t fw_ddb_entry_dma; |
| 6032 | unsigned long flags; |
| 6033 | unsigned long wtime; |
| 6034 | uint32_t ddb_state; |
| 6035 | int options; |
| 6036 | int ret = 0; |
| 6037 | |
| 6038 | sess = cls_sess->dd_data; |
| 6039 | ddb_entry = sess->dd_data; |
| 6040 | ha = ddb_entry->ha; |
| 6041 | |
| 6042 | if (ddb_entry->ddb_type != FLASH_DDB) { |
| 6043 | ql4_printk(KERN_ERR, ha, "%s: Not a flash node session\n", |
| 6044 | __func__); |
| 6045 | ret = -ENXIO; |
| 6046 | goto exit_ddb_logout; |
| 6047 | } |
| 6048 | |
Adheer Chandravanshi | 37719c2 | 2013-04-05 07:06:07 -0400 | [diff] [blame] | 6049 | if (test_bit(DF_BOOT_TGT, &ddb_entry->flags)) { |
| 6050 | ql4_printk(KERN_ERR, ha, |
| 6051 | "%s: Logout from boot target entry is not permitted.\n", |
| 6052 | __func__); |
| 6053 | ret = -EPERM; |
| 6054 | goto exit_ddb_logout; |
| 6055 | } |
| 6056 | |
Adheer Chandravanshi | 1e9e2be | 2013-03-22 07:41:31 -0400 | [diff] [blame] | 6057 | fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), |
| 6058 | &fw_ddb_entry_dma, GFP_KERNEL); |
| 6059 | if (!fw_ddb_entry) { |
| 6060 | ql4_printk(KERN_ERR, ha, |
| 6061 | "%s: Unable to allocate dma buffer\n", __func__); |
| 6062 | ret = -ENOMEM; |
| 6063 | goto exit_ddb_logout; |
| 6064 | } |
| 6065 | |
Adheer Chandravanshi | 99c6a33 | 2013-07-08 08:33:05 -0400 | [diff] [blame] | 6066 | if (test_and_set_bit(DF_DISABLE_RELOGIN, &ddb_entry->flags)) |
| 6067 | goto ddb_logout_init; |
| 6068 | |
| 6069 | ret = qla4xxx_get_fwddb_entry(ha, ddb_entry->fw_ddb_index, |
| 6070 | fw_ddb_entry, fw_ddb_entry_dma, |
| 6071 | NULL, NULL, &ddb_state, NULL, |
| 6072 | NULL, NULL); |
| 6073 | if (ret == QLA_ERROR) |
| 6074 | goto ddb_logout_init; |
| 6075 | |
| 6076 | if (ddb_state == DDB_DS_SESSION_ACTIVE) |
| 6077 | goto ddb_logout_init; |
| 6078 | |
| 6079 | /* wait until next relogin is triggered using DF_RELOGIN and |
| 6080 | * clear DF_RELOGIN to avoid invocation of further relogin |
| 6081 | */ |
| 6082 | wtime = jiffies + (HZ * RELOGIN_TOV); |
| 6083 | do { |
| 6084 | if (test_and_clear_bit(DF_RELOGIN, &ddb_entry->flags)) |
| 6085 | goto ddb_logout_init; |
| 6086 | |
| 6087 | schedule_timeout_uninterruptible(HZ); |
| 6088 | } while ((time_after(wtime, jiffies))); |
| 6089 | |
| 6090 | ddb_logout_init: |
| 6091 | atomic_set(&ddb_entry->retry_relogin_timer, INVALID_ENTRY); |
| 6092 | atomic_set(&ddb_entry->relogin_timer, 0); |
| 6093 | |
| 6094 | options = LOGOUT_OPTION_CLOSE_SESSION; |
| 6095 | qla4xxx_session_logout_ddb(ha, ddb_entry, options); |
| 6096 | |
| 6097 | memset(fw_ddb_entry, 0, sizeof(*fw_ddb_entry)); |
Adheer Chandravanshi | 1e9e2be | 2013-03-22 07:41:31 -0400 | [diff] [blame] | 6098 | wtime = jiffies + (HZ * LOGOUT_TOV); |
| 6099 | do { |
| 6100 | ret = qla4xxx_get_fwddb_entry(ha, ddb_entry->fw_ddb_index, |
| 6101 | fw_ddb_entry, fw_ddb_entry_dma, |
| 6102 | NULL, NULL, &ddb_state, NULL, |
| 6103 | NULL, NULL); |
| 6104 | if (ret == QLA_ERROR) |
| 6105 | goto ddb_logout_clr_sess; |
| 6106 | |
| 6107 | if ((ddb_state == DDB_DS_NO_CONNECTION_ACTIVE) || |
| 6108 | (ddb_state == DDB_DS_SESSION_FAILED)) |
| 6109 | goto ddb_logout_clr_sess; |
| 6110 | |
| 6111 | schedule_timeout_uninterruptible(HZ); |
| 6112 | } while ((time_after(wtime, jiffies))); |
| 6113 | |
| 6114 | ddb_logout_clr_sess: |
| 6115 | qla4xxx_clear_ddb_entry(ha, ddb_entry->fw_ddb_index); |
| 6116 | /* |
| 6117 | * we have decremented the reference count of the driver |
| 6118 | * when we setup the session to have the driver unload |
| 6119 | * to be seamless without actually destroying the |
| 6120 | * session |
| 6121 | **/ |
| 6122 | try_module_get(qla4xxx_iscsi_transport.owner); |
| 6123 | iscsi_destroy_endpoint(ddb_entry->conn->ep); |
| 6124 | |
| 6125 | spin_lock_irqsave(&ha->hardware_lock, flags); |
| 6126 | qla4xxx_free_ddb(ha, ddb_entry); |
Adheer Chandravanshi | 99c6a33 | 2013-07-08 08:33:05 -0400 | [diff] [blame] | 6127 | clear_bit(ddb_entry->fw_ddb_index, ha->ddb_idx_map); |
Adheer Chandravanshi | 1e9e2be | 2013-03-22 07:41:31 -0400 | [diff] [blame] | 6128 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
| 6129 | |
| 6130 | iscsi_session_teardown(ddb_entry->sess); |
| 6131 | |
Adheer Chandravanshi | 99c6a33 | 2013-07-08 08:33:05 -0400 | [diff] [blame] | 6132 | clear_bit(DF_DISABLE_RELOGIN, &ddb_entry->flags); |
Adheer Chandravanshi | 1e9e2be | 2013-03-22 07:41:31 -0400 | [diff] [blame] | 6133 | ret = QLA_SUCCESS; |
| 6134 | |
| 6135 | exit_ddb_logout: |
| 6136 | if (fw_ddb_entry) |
| 6137 | dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), |
| 6138 | fw_ddb_entry, fw_ddb_entry_dma); |
| 6139 | return ret; |
| 6140 | } |
| 6141 | |
| 6142 | /** |
| 6143 | * qla4xxx_sysfs_ddb_logout - Logout from the specified target |
| 6144 | * @fnode_sess: pointer to session attrs of flash ddb entry |
| 6145 | * @fnode_conn: pointer to connection attrs of flash ddb entry |
| 6146 | * |
| 6147 | * This performs log out from the specified target |
| 6148 | **/ |
| 6149 | static int qla4xxx_sysfs_ddb_logout(struct iscsi_bus_flash_session *fnode_sess, |
| 6150 | struct iscsi_bus_flash_conn *fnode_conn) |
| 6151 | { |
| 6152 | struct Scsi_Host *shost = iscsi_flash_session_to_shost(fnode_sess); |
| 6153 | struct scsi_qla_host *ha = to_qla_host(shost); |
| 6154 | struct ql4_tuple_ddb *flash_tddb = NULL; |
| 6155 | struct ql4_tuple_ddb *tmp_tddb = NULL; |
| 6156 | struct dev_db_entry *fw_ddb_entry = NULL; |
| 6157 | struct ddb_entry *ddb_entry = NULL; |
| 6158 | dma_addr_t fw_ddb_dma; |
| 6159 | uint32_t next_idx = 0; |
| 6160 | uint32_t state = 0, conn_err = 0; |
| 6161 | uint16_t conn_id = 0; |
| 6162 | int idx, index; |
| 6163 | int status, ret = 0; |
| 6164 | |
| 6165 | fw_ddb_entry = dma_pool_alloc(ha->fw_ddb_dma_pool, GFP_KERNEL, |
| 6166 | &fw_ddb_dma); |
| 6167 | if (fw_ddb_entry == NULL) { |
| 6168 | ql4_printk(KERN_ERR, ha, "%s:Out of memory\n", __func__); |
| 6169 | ret = -ENOMEM; |
| 6170 | goto exit_ddb_logout; |
| 6171 | } |
| 6172 | |
| 6173 | flash_tddb = vzalloc(sizeof(*flash_tddb)); |
| 6174 | if (!flash_tddb) { |
| 6175 | ql4_printk(KERN_WARNING, ha, |
| 6176 | "%s:Memory Allocation failed.\n", __func__); |
| 6177 | ret = -ENOMEM; |
| 6178 | goto exit_ddb_logout; |
| 6179 | } |
| 6180 | |
| 6181 | tmp_tddb = vzalloc(sizeof(*tmp_tddb)); |
| 6182 | if (!tmp_tddb) { |
| 6183 | ql4_printk(KERN_WARNING, ha, |
| 6184 | "%s:Memory Allocation failed.\n", __func__); |
| 6185 | ret = -ENOMEM; |
| 6186 | goto exit_ddb_logout; |
| 6187 | } |
| 6188 | |
| 6189 | if (!fnode_sess->targetname) { |
| 6190 | ql4_printk(KERN_ERR, ha, |
| 6191 | "%s:Cannot logout from SendTarget entry\n", |
| 6192 | __func__); |
| 6193 | ret = -EPERM; |
| 6194 | goto exit_ddb_logout; |
| 6195 | } |
| 6196 | |
| 6197 | if (fnode_sess->is_boot_target) { |
| 6198 | ql4_printk(KERN_ERR, ha, |
| 6199 | "%s: Logout from boot target entry is not permitted.\n", |
| 6200 | __func__); |
| 6201 | ret = -EPERM; |
| 6202 | goto exit_ddb_logout; |
| 6203 | } |
| 6204 | |
| 6205 | strncpy(flash_tddb->iscsi_name, fnode_sess->targetname, |
| 6206 | ISCSI_NAME_SIZE); |
| 6207 | |
Adheer Chandravanshi | c962c18 | 2013-03-25 08:08:32 -0400 | [diff] [blame] | 6208 | if (!strncmp(fnode_sess->portal_type, PORTAL_TYPE_IPV6, 4)) |
Adheer Chandravanshi | 1e9e2be | 2013-03-22 07:41:31 -0400 | [diff] [blame] | 6209 | sprintf(flash_tddb->ip_addr, "%pI6", fnode_conn->ipaddress); |
| 6210 | else |
| 6211 | sprintf(flash_tddb->ip_addr, "%pI4", fnode_conn->ipaddress); |
| 6212 | |
| 6213 | flash_tddb->tpgt = fnode_sess->tpgt; |
| 6214 | flash_tddb->port = fnode_conn->port; |
| 6215 | |
| 6216 | COPY_ISID(flash_tddb->isid, fnode_sess->isid); |
| 6217 | |
| 6218 | for (idx = 0; idx < MAX_DDB_ENTRIES; idx++) { |
| 6219 | ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, idx); |
| 6220 | if (ddb_entry == NULL) |
| 6221 | continue; |
| 6222 | |
| 6223 | if (ddb_entry->ddb_type != FLASH_DDB) |
| 6224 | continue; |
| 6225 | |
| 6226 | index = ddb_entry->sess->target_id; |
| 6227 | status = qla4xxx_get_fwddb_entry(ha, index, fw_ddb_entry, |
| 6228 | fw_ddb_dma, NULL, &next_idx, |
| 6229 | &state, &conn_err, NULL, |
| 6230 | &conn_id); |
| 6231 | if (status == QLA_ERROR) { |
| 6232 | ret = -ENOMEM; |
| 6233 | break; |
| 6234 | } |
| 6235 | |
| 6236 | qla4xxx_convert_param_ddb(fw_ddb_entry, tmp_tddb, NULL); |
| 6237 | |
| 6238 | status = qla4xxx_compare_tuple_ddb(ha, flash_tddb, tmp_tddb, |
| 6239 | true); |
| 6240 | if (status == QLA_SUCCESS) { |
| 6241 | ret = qla4xxx_sysfs_ddb_logout_sid(ddb_entry->sess); |
| 6242 | break; |
| 6243 | } |
| 6244 | } |
| 6245 | |
| 6246 | if (idx == MAX_DDB_ENTRIES) |
| 6247 | ret = -ESRCH; |
| 6248 | |
| 6249 | exit_ddb_logout: |
| 6250 | if (flash_tddb) |
| 6251 | vfree(flash_tddb); |
| 6252 | if (tmp_tddb) |
| 6253 | vfree(tmp_tddb); |
| 6254 | if (fw_ddb_entry) |
| 6255 | dma_pool_free(ha->fw_ddb_dma_pool, fw_ddb_entry, fw_ddb_dma); |
| 6256 | |
| 6257 | return ret; |
| 6258 | } |
| 6259 | |
| 6260 | static int |
| 6261 | qla4xxx_sysfs_ddb_get_param(struct iscsi_bus_flash_session *fnode_sess, |
| 6262 | int param, char *buf) |
| 6263 | { |
| 6264 | struct Scsi_Host *shost = iscsi_flash_session_to_shost(fnode_sess); |
| 6265 | struct scsi_qla_host *ha = to_qla_host(shost); |
| 6266 | struct iscsi_bus_flash_conn *fnode_conn; |
| 6267 | struct ql4_chap_table chap_tbl; |
| 6268 | struct device *dev; |
Adheer Chandravanshi | a2f7663 | 2013-07-08 08:33:08 -0400 | [diff] [blame] | 6269 | int parent_type; |
Adheer Chandravanshi | 1e9e2be | 2013-03-22 07:41:31 -0400 | [diff] [blame] | 6270 | int rc = 0; |
| 6271 | |
Mike Christie | 8526cb1 | 2013-05-06 12:06:56 -0500 | [diff] [blame] | 6272 | dev = iscsi_find_flashnode_conn(fnode_sess); |
Adheer Chandravanshi | 1e9e2be | 2013-03-22 07:41:31 -0400 | [diff] [blame] | 6273 | if (!dev) |
| 6274 | return -EIO; |
| 6275 | |
| 6276 | fnode_conn = iscsi_dev_to_flash_conn(dev); |
| 6277 | |
| 6278 | switch (param) { |
| 6279 | case ISCSI_FLASHNODE_IS_FW_ASSIGNED_IPV6: |
| 6280 | rc = sprintf(buf, "%u\n", fnode_conn->is_fw_assigned_ipv6); |
| 6281 | break; |
| 6282 | case ISCSI_FLASHNODE_PORTAL_TYPE: |
| 6283 | rc = sprintf(buf, "%s\n", fnode_sess->portal_type); |
| 6284 | break; |
| 6285 | case ISCSI_FLASHNODE_AUTO_SND_TGT_DISABLE: |
| 6286 | rc = sprintf(buf, "%u\n", fnode_sess->auto_snd_tgt_disable); |
| 6287 | break; |
| 6288 | case ISCSI_FLASHNODE_DISCOVERY_SESS: |
| 6289 | rc = sprintf(buf, "%u\n", fnode_sess->discovery_sess); |
| 6290 | break; |
| 6291 | case ISCSI_FLASHNODE_ENTRY_EN: |
| 6292 | rc = sprintf(buf, "%u\n", fnode_sess->entry_state); |
| 6293 | break; |
| 6294 | case ISCSI_FLASHNODE_HDR_DGST_EN: |
| 6295 | rc = sprintf(buf, "%u\n", fnode_conn->hdrdgst_en); |
| 6296 | break; |
| 6297 | case ISCSI_FLASHNODE_DATA_DGST_EN: |
| 6298 | rc = sprintf(buf, "%u\n", fnode_conn->datadgst_en); |
| 6299 | break; |
| 6300 | case ISCSI_FLASHNODE_IMM_DATA_EN: |
| 6301 | rc = sprintf(buf, "%u\n", fnode_sess->imm_data_en); |
| 6302 | break; |
| 6303 | case ISCSI_FLASHNODE_INITIAL_R2T_EN: |
| 6304 | rc = sprintf(buf, "%u\n", fnode_sess->initial_r2t_en); |
| 6305 | break; |
| 6306 | case ISCSI_FLASHNODE_DATASEQ_INORDER: |
| 6307 | rc = sprintf(buf, "%u\n", fnode_sess->dataseq_inorder_en); |
| 6308 | break; |
| 6309 | case ISCSI_FLASHNODE_PDU_INORDER: |
| 6310 | rc = sprintf(buf, "%u\n", fnode_sess->pdu_inorder_en); |
| 6311 | break; |
| 6312 | case ISCSI_FLASHNODE_CHAP_AUTH_EN: |
| 6313 | rc = sprintf(buf, "%u\n", fnode_sess->chap_auth_en); |
| 6314 | break; |
| 6315 | case ISCSI_FLASHNODE_SNACK_REQ_EN: |
| 6316 | rc = sprintf(buf, "%u\n", fnode_conn->snack_req_en); |
| 6317 | break; |
| 6318 | case ISCSI_FLASHNODE_DISCOVERY_LOGOUT_EN: |
| 6319 | rc = sprintf(buf, "%u\n", fnode_sess->discovery_logout_en); |
| 6320 | break; |
| 6321 | case ISCSI_FLASHNODE_BIDI_CHAP_EN: |
| 6322 | rc = sprintf(buf, "%u\n", fnode_sess->bidi_chap_en); |
| 6323 | break; |
| 6324 | case ISCSI_FLASHNODE_DISCOVERY_AUTH_OPTIONAL: |
| 6325 | rc = sprintf(buf, "%u\n", fnode_sess->discovery_auth_optional); |
| 6326 | break; |
| 6327 | case ISCSI_FLASHNODE_ERL: |
| 6328 | rc = sprintf(buf, "%u\n", fnode_sess->erl); |
| 6329 | break; |
| 6330 | case ISCSI_FLASHNODE_TCP_TIMESTAMP_STAT: |
| 6331 | rc = sprintf(buf, "%u\n", fnode_conn->tcp_timestamp_stat); |
| 6332 | break; |
| 6333 | case ISCSI_FLASHNODE_TCP_NAGLE_DISABLE: |
| 6334 | rc = sprintf(buf, "%u\n", fnode_conn->tcp_nagle_disable); |
| 6335 | break; |
| 6336 | case ISCSI_FLASHNODE_TCP_WSF_DISABLE: |
| 6337 | rc = sprintf(buf, "%u\n", fnode_conn->tcp_wsf_disable); |
| 6338 | break; |
| 6339 | case ISCSI_FLASHNODE_TCP_TIMER_SCALE: |
| 6340 | rc = sprintf(buf, "%u\n", fnode_conn->tcp_timer_scale); |
| 6341 | break; |
| 6342 | case ISCSI_FLASHNODE_TCP_TIMESTAMP_EN: |
| 6343 | rc = sprintf(buf, "%u\n", fnode_conn->tcp_timestamp_en); |
| 6344 | break; |
| 6345 | case ISCSI_FLASHNODE_IP_FRAG_DISABLE: |
| 6346 | rc = sprintf(buf, "%u\n", fnode_conn->fragment_disable); |
| 6347 | break; |
| 6348 | case ISCSI_FLASHNODE_MAX_RECV_DLENGTH: |
| 6349 | rc = sprintf(buf, "%u\n", fnode_conn->max_recv_dlength); |
| 6350 | break; |
| 6351 | case ISCSI_FLASHNODE_MAX_XMIT_DLENGTH: |
| 6352 | rc = sprintf(buf, "%u\n", fnode_conn->max_xmit_dlength); |
| 6353 | break; |
| 6354 | case ISCSI_FLASHNODE_FIRST_BURST: |
| 6355 | rc = sprintf(buf, "%u\n", fnode_sess->first_burst); |
| 6356 | break; |
| 6357 | case ISCSI_FLASHNODE_DEF_TIME2WAIT: |
| 6358 | rc = sprintf(buf, "%u\n", fnode_sess->time2wait); |
| 6359 | break; |
| 6360 | case ISCSI_FLASHNODE_DEF_TIME2RETAIN: |
| 6361 | rc = sprintf(buf, "%u\n", fnode_sess->time2retain); |
| 6362 | break; |
| 6363 | case ISCSI_FLASHNODE_MAX_R2T: |
| 6364 | rc = sprintf(buf, "%u\n", fnode_sess->max_r2t); |
| 6365 | break; |
| 6366 | case ISCSI_FLASHNODE_KEEPALIVE_TMO: |
| 6367 | rc = sprintf(buf, "%u\n", fnode_conn->keepalive_timeout); |
| 6368 | break; |
| 6369 | case ISCSI_FLASHNODE_ISID: |
| 6370 | rc = sprintf(buf, "%02x%02x%02x%02x%02x%02x\n", |
| 6371 | fnode_sess->isid[0], fnode_sess->isid[1], |
| 6372 | fnode_sess->isid[2], fnode_sess->isid[3], |
| 6373 | fnode_sess->isid[4], fnode_sess->isid[5]); |
| 6374 | break; |
| 6375 | case ISCSI_FLASHNODE_TSID: |
| 6376 | rc = sprintf(buf, "%u\n", fnode_sess->tsid); |
| 6377 | break; |
| 6378 | case ISCSI_FLASHNODE_PORT: |
| 6379 | rc = sprintf(buf, "%d\n", fnode_conn->port); |
| 6380 | break; |
| 6381 | case ISCSI_FLASHNODE_MAX_BURST: |
| 6382 | rc = sprintf(buf, "%u\n", fnode_sess->max_burst); |
| 6383 | break; |
| 6384 | case ISCSI_FLASHNODE_DEF_TASKMGMT_TMO: |
| 6385 | rc = sprintf(buf, "%u\n", |
| 6386 | fnode_sess->default_taskmgmt_timeout); |
| 6387 | break; |
| 6388 | case ISCSI_FLASHNODE_IPADDR: |
Adheer Chandravanshi | c962c18 | 2013-03-25 08:08:32 -0400 | [diff] [blame] | 6389 | if (!strncmp(fnode_sess->portal_type, PORTAL_TYPE_IPV6, 4)) |
Adheer Chandravanshi | 1e9e2be | 2013-03-22 07:41:31 -0400 | [diff] [blame] | 6390 | rc = sprintf(buf, "%pI6\n", fnode_conn->ipaddress); |
| 6391 | else |
| 6392 | rc = sprintf(buf, "%pI4\n", fnode_conn->ipaddress); |
| 6393 | break; |
| 6394 | case ISCSI_FLASHNODE_ALIAS: |
| 6395 | if (fnode_sess->targetalias) |
| 6396 | rc = sprintf(buf, "%s\n", fnode_sess->targetalias); |
| 6397 | else |
| 6398 | rc = sprintf(buf, "\n"); |
| 6399 | break; |
| 6400 | case ISCSI_FLASHNODE_REDIRECT_IPADDR: |
Adheer Chandravanshi | c962c18 | 2013-03-25 08:08:32 -0400 | [diff] [blame] | 6401 | if (!strncmp(fnode_sess->portal_type, PORTAL_TYPE_IPV6, 4)) |
Adheer Chandravanshi | 1e9e2be | 2013-03-22 07:41:31 -0400 | [diff] [blame] | 6402 | rc = sprintf(buf, "%pI6\n", |
| 6403 | fnode_conn->redirect_ipaddr); |
| 6404 | else |
| 6405 | rc = sprintf(buf, "%pI4\n", |
| 6406 | fnode_conn->redirect_ipaddr); |
| 6407 | break; |
| 6408 | case ISCSI_FLASHNODE_MAX_SEGMENT_SIZE: |
| 6409 | rc = sprintf(buf, "%u\n", fnode_conn->max_segment_size); |
| 6410 | break; |
| 6411 | case ISCSI_FLASHNODE_LOCAL_PORT: |
| 6412 | rc = sprintf(buf, "%u\n", fnode_conn->local_port); |
| 6413 | break; |
| 6414 | case ISCSI_FLASHNODE_IPV4_TOS: |
| 6415 | rc = sprintf(buf, "%u\n", fnode_conn->ipv4_tos); |
| 6416 | break; |
| 6417 | case ISCSI_FLASHNODE_IPV6_TC: |
Adheer Chandravanshi | c962c18 | 2013-03-25 08:08:32 -0400 | [diff] [blame] | 6418 | if (!strncmp(fnode_sess->portal_type, PORTAL_TYPE_IPV6, 4)) |
Adheer Chandravanshi | 1e9e2be | 2013-03-22 07:41:31 -0400 | [diff] [blame] | 6419 | rc = sprintf(buf, "%u\n", |
| 6420 | fnode_conn->ipv6_traffic_class); |
| 6421 | else |
| 6422 | rc = sprintf(buf, "\n"); |
| 6423 | break; |
| 6424 | case ISCSI_FLASHNODE_IPV6_FLOW_LABEL: |
| 6425 | rc = sprintf(buf, "%u\n", fnode_conn->ipv6_flow_label); |
| 6426 | break; |
| 6427 | case ISCSI_FLASHNODE_LINK_LOCAL_IPV6: |
Adheer Chandravanshi | c962c18 | 2013-03-25 08:08:32 -0400 | [diff] [blame] | 6428 | if (!strncmp(fnode_sess->portal_type, PORTAL_TYPE_IPV6, 4)) |
Adheer Chandravanshi | 1e9e2be | 2013-03-22 07:41:31 -0400 | [diff] [blame] | 6429 | rc = sprintf(buf, "%pI6\n", |
| 6430 | fnode_conn->link_local_ipv6_addr); |
| 6431 | else |
| 6432 | rc = sprintf(buf, "\n"); |
| 6433 | break; |
| 6434 | case ISCSI_FLASHNODE_DISCOVERY_PARENT_IDX: |
Adheer Chandravanshi | a2f7663 | 2013-07-08 08:33:08 -0400 | [diff] [blame] | 6435 | rc = sprintf(buf, "%u\n", fnode_sess->discovery_parent_idx); |
Adheer Chandravanshi | 1e9e2be | 2013-03-22 07:41:31 -0400 | [diff] [blame] | 6436 | break; |
| 6437 | case ISCSI_FLASHNODE_DISCOVERY_PARENT_TYPE: |
| 6438 | if (fnode_sess->discovery_parent_type == DDB_ISNS) |
| 6439 | parent_type = ISCSI_DISC_PARENT_ISNS; |
| 6440 | else if (fnode_sess->discovery_parent_type == DDB_NO_LINK) |
| 6441 | parent_type = ISCSI_DISC_PARENT_UNKNOWN; |
Vikas Chaudhary | b6130ce | 2013-04-17 05:15:26 -0400 | [diff] [blame] | 6442 | else if (fnode_sess->discovery_parent_type < MAX_DDB_ENTRIES) |
Adheer Chandravanshi | 1e9e2be | 2013-03-22 07:41:31 -0400 | [diff] [blame] | 6443 | parent_type = ISCSI_DISC_PARENT_SENDTGT; |
| 6444 | else |
| 6445 | parent_type = ISCSI_DISC_PARENT_UNKNOWN; |
| 6446 | |
| 6447 | rc = sprintf(buf, "%s\n", |
| 6448 | iscsi_get_discovery_parent_name(parent_type)); |
| 6449 | break; |
| 6450 | case ISCSI_FLASHNODE_NAME: |
| 6451 | if (fnode_sess->targetname) |
| 6452 | rc = sprintf(buf, "%s\n", fnode_sess->targetname); |
| 6453 | else |
| 6454 | rc = sprintf(buf, "\n"); |
| 6455 | break; |
| 6456 | case ISCSI_FLASHNODE_TPGT: |
| 6457 | rc = sprintf(buf, "%u\n", fnode_sess->tpgt); |
| 6458 | break; |
| 6459 | case ISCSI_FLASHNODE_TCP_XMIT_WSF: |
| 6460 | rc = sprintf(buf, "%u\n", fnode_conn->tcp_xmit_wsf); |
| 6461 | break; |
| 6462 | case ISCSI_FLASHNODE_TCP_RECV_WSF: |
| 6463 | rc = sprintf(buf, "%u\n", fnode_conn->tcp_recv_wsf); |
| 6464 | break; |
| 6465 | case ISCSI_FLASHNODE_CHAP_OUT_IDX: |
| 6466 | rc = sprintf(buf, "%u\n", fnode_sess->chap_out_idx); |
| 6467 | break; |
| 6468 | case ISCSI_FLASHNODE_USERNAME: |
| 6469 | if (fnode_sess->chap_auth_en) { |
| 6470 | qla4xxx_get_uni_chap_at_index(ha, |
| 6471 | chap_tbl.name, |
| 6472 | chap_tbl.secret, |
| 6473 | fnode_sess->chap_out_idx); |
| 6474 | rc = sprintf(buf, "%s\n", chap_tbl.name); |
| 6475 | } else { |
| 6476 | rc = sprintf(buf, "\n"); |
| 6477 | } |
| 6478 | break; |
| 6479 | case ISCSI_FLASHNODE_PASSWORD: |
| 6480 | if (fnode_sess->chap_auth_en) { |
| 6481 | qla4xxx_get_uni_chap_at_index(ha, |
| 6482 | chap_tbl.name, |
| 6483 | chap_tbl.secret, |
| 6484 | fnode_sess->chap_out_idx); |
| 6485 | rc = sprintf(buf, "%s\n", chap_tbl.secret); |
| 6486 | } else { |
| 6487 | rc = sprintf(buf, "\n"); |
| 6488 | } |
| 6489 | break; |
| 6490 | case ISCSI_FLASHNODE_STATSN: |
| 6491 | rc = sprintf(buf, "%u\n", fnode_conn->statsn); |
| 6492 | break; |
| 6493 | case ISCSI_FLASHNODE_EXP_STATSN: |
| 6494 | rc = sprintf(buf, "%u\n", fnode_conn->exp_statsn); |
| 6495 | break; |
| 6496 | case ISCSI_FLASHNODE_IS_BOOT_TGT: |
| 6497 | rc = sprintf(buf, "%u\n", fnode_sess->is_boot_target); |
| 6498 | break; |
| 6499 | default: |
| 6500 | rc = -ENOSYS; |
| 6501 | break; |
| 6502 | } |
Mike Christie | 8526cb1 | 2013-05-06 12:06:56 -0500 | [diff] [blame] | 6503 | |
| 6504 | put_device(dev); |
Adheer Chandravanshi | 1e9e2be | 2013-03-22 07:41:31 -0400 | [diff] [blame] | 6505 | return rc; |
| 6506 | } |
| 6507 | |
| 6508 | /** |
| 6509 | * qla4xxx_sysfs_ddb_set_param - Set parameter for firmware DDB entry |
| 6510 | * @fnode_sess: pointer to session attrs of flash ddb entry |
| 6511 | * @fnode_conn: pointer to connection attrs of flash ddb entry |
| 6512 | * @data: Parameters and their values to update |
| 6513 | * @len: len of data |
| 6514 | * |
| 6515 | * This sets the parameter of flash ddb entry and writes them to flash |
| 6516 | **/ |
| 6517 | static int |
| 6518 | qla4xxx_sysfs_ddb_set_param(struct iscsi_bus_flash_session *fnode_sess, |
| 6519 | struct iscsi_bus_flash_conn *fnode_conn, |
| 6520 | void *data, int len) |
| 6521 | { |
| 6522 | struct Scsi_Host *shost = iscsi_flash_session_to_shost(fnode_sess); |
| 6523 | struct scsi_qla_host *ha = to_qla_host(shost); |
Adheer Chandravanshi | 1e9e2be | 2013-03-22 07:41:31 -0400 | [diff] [blame] | 6524 | struct iscsi_flashnode_param_info *fnode_param; |
| 6525 | struct nlattr *attr; |
| 6526 | int rc = QLA_ERROR; |
| 6527 | uint32_t rem = len; |
| 6528 | |
Adheer Chandravanshi | 1e9e2be | 2013-03-22 07:41:31 -0400 | [diff] [blame] | 6529 | nla_for_each_attr(attr, data, len, rem) { |
| 6530 | fnode_param = nla_data(attr); |
| 6531 | |
| 6532 | switch (fnode_param->param) { |
| 6533 | case ISCSI_FLASHNODE_IS_FW_ASSIGNED_IPV6: |
| 6534 | fnode_conn->is_fw_assigned_ipv6 = fnode_param->value[0]; |
| 6535 | break; |
| 6536 | case ISCSI_FLASHNODE_PORTAL_TYPE: |
| 6537 | memcpy(fnode_sess->portal_type, fnode_param->value, |
| 6538 | strlen(fnode_sess->portal_type)); |
| 6539 | break; |
| 6540 | case ISCSI_FLASHNODE_AUTO_SND_TGT_DISABLE: |
| 6541 | fnode_sess->auto_snd_tgt_disable = |
| 6542 | fnode_param->value[0]; |
| 6543 | break; |
| 6544 | case ISCSI_FLASHNODE_DISCOVERY_SESS: |
| 6545 | fnode_sess->discovery_sess = fnode_param->value[0]; |
| 6546 | break; |
| 6547 | case ISCSI_FLASHNODE_ENTRY_EN: |
| 6548 | fnode_sess->entry_state = fnode_param->value[0]; |
| 6549 | break; |
| 6550 | case ISCSI_FLASHNODE_HDR_DGST_EN: |
| 6551 | fnode_conn->hdrdgst_en = fnode_param->value[0]; |
| 6552 | break; |
| 6553 | case ISCSI_FLASHNODE_DATA_DGST_EN: |
| 6554 | fnode_conn->datadgst_en = fnode_param->value[0]; |
| 6555 | break; |
| 6556 | case ISCSI_FLASHNODE_IMM_DATA_EN: |
| 6557 | fnode_sess->imm_data_en = fnode_param->value[0]; |
| 6558 | break; |
| 6559 | case ISCSI_FLASHNODE_INITIAL_R2T_EN: |
| 6560 | fnode_sess->initial_r2t_en = fnode_param->value[0]; |
| 6561 | break; |
| 6562 | case ISCSI_FLASHNODE_DATASEQ_INORDER: |
| 6563 | fnode_sess->dataseq_inorder_en = fnode_param->value[0]; |
| 6564 | break; |
| 6565 | case ISCSI_FLASHNODE_PDU_INORDER: |
| 6566 | fnode_sess->pdu_inorder_en = fnode_param->value[0]; |
| 6567 | break; |
| 6568 | case ISCSI_FLASHNODE_CHAP_AUTH_EN: |
| 6569 | fnode_sess->chap_auth_en = fnode_param->value[0]; |
| 6570 | break; |
| 6571 | case ISCSI_FLASHNODE_SNACK_REQ_EN: |
| 6572 | fnode_conn->snack_req_en = fnode_param->value[0]; |
| 6573 | break; |
| 6574 | case ISCSI_FLASHNODE_DISCOVERY_LOGOUT_EN: |
| 6575 | fnode_sess->discovery_logout_en = fnode_param->value[0]; |
| 6576 | break; |
| 6577 | case ISCSI_FLASHNODE_BIDI_CHAP_EN: |
| 6578 | fnode_sess->bidi_chap_en = fnode_param->value[0]; |
| 6579 | break; |
| 6580 | case ISCSI_FLASHNODE_DISCOVERY_AUTH_OPTIONAL: |
| 6581 | fnode_sess->discovery_auth_optional = |
| 6582 | fnode_param->value[0]; |
| 6583 | break; |
| 6584 | case ISCSI_FLASHNODE_ERL: |
| 6585 | fnode_sess->erl = fnode_param->value[0]; |
| 6586 | break; |
| 6587 | case ISCSI_FLASHNODE_TCP_TIMESTAMP_STAT: |
| 6588 | fnode_conn->tcp_timestamp_stat = fnode_param->value[0]; |
| 6589 | break; |
| 6590 | case ISCSI_FLASHNODE_TCP_NAGLE_DISABLE: |
| 6591 | fnode_conn->tcp_nagle_disable = fnode_param->value[0]; |
| 6592 | break; |
| 6593 | case ISCSI_FLASHNODE_TCP_WSF_DISABLE: |
| 6594 | fnode_conn->tcp_wsf_disable = fnode_param->value[0]; |
| 6595 | break; |
| 6596 | case ISCSI_FLASHNODE_TCP_TIMER_SCALE: |
| 6597 | fnode_conn->tcp_timer_scale = fnode_param->value[0]; |
| 6598 | break; |
| 6599 | case ISCSI_FLASHNODE_TCP_TIMESTAMP_EN: |
| 6600 | fnode_conn->tcp_timestamp_en = fnode_param->value[0]; |
| 6601 | break; |
| 6602 | case ISCSI_FLASHNODE_IP_FRAG_DISABLE: |
| 6603 | fnode_conn->fragment_disable = fnode_param->value[0]; |
| 6604 | break; |
| 6605 | case ISCSI_FLASHNODE_MAX_RECV_DLENGTH: |
| 6606 | fnode_conn->max_recv_dlength = |
| 6607 | *(unsigned *)fnode_param->value; |
| 6608 | break; |
| 6609 | case ISCSI_FLASHNODE_MAX_XMIT_DLENGTH: |
| 6610 | fnode_conn->max_xmit_dlength = |
| 6611 | *(unsigned *)fnode_param->value; |
| 6612 | break; |
| 6613 | case ISCSI_FLASHNODE_FIRST_BURST: |
| 6614 | fnode_sess->first_burst = |
| 6615 | *(unsigned *)fnode_param->value; |
| 6616 | break; |
| 6617 | case ISCSI_FLASHNODE_DEF_TIME2WAIT: |
| 6618 | fnode_sess->time2wait = *(uint16_t *)fnode_param->value; |
| 6619 | break; |
| 6620 | case ISCSI_FLASHNODE_DEF_TIME2RETAIN: |
| 6621 | fnode_sess->time2retain = |
| 6622 | *(uint16_t *)fnode_param->value; |
| 6623 | break; |
| 6624 | case ISCSI_FLASHNODE_MAX_R2T: |
| 6625 | fnode_sess->max_r2t = |
| 6626 | *(uint16_t *)fnode_param->value; |
| 6627 | break; |
| 6628 | case ISCSI_FLASHNODE_KEEPALIVE_TMO: |
| 6629 | fnode_conn->keepalive_timeout = |
| 6630 | *(uint16_t *)fnode_param->value; |
| 6631 | break; |
| 6632 | case ISCSI_FLASHNODE_ISID: |
| 6633 | memcpy(fnode_sess->isid, fnode_param->value, |
| 6634 | sizeof(fnode_sess->isid)); |
| 6635 | break; |
| 6636 | case ISCSI_FLASHNODE_TSID: |
| 6637 | fnode_sess->tsid = *(uint16_t *)fnode_param->value; |
| 6638 | break; |
| 6639 | case ISCSI_FLASHNODE_PORT: |
| 6640 | fnode_conn->port = *(uint16_t *)fnode_param->value; |
| 6641 | break; |
| 6642 | case ISCSI_FLASHNODE_MAX_BURST: |
| 6643 | fnode_sess->max_burst = *(unsigned *)fnode_param->value; |
| 6644 | break; |
| 6645 | case ISCSI_FLASHNODE_DEF_TASKMGMT_TMO: |
| 6646 | fnode_sess->default_taskmgmt_timeout = |
| 6647 | *(uint16_t *)fnode_param->value; |
| 6648 | break; |
| 6649 | case ISCSI_FLASHNODE_IPADDR: |
| 6650 | memcpy(fnode_conn->ipaddress, fnode_param->value, |
| 6651 | IPv6_ADDR_LEN); |
| 6652 | break; |
| 6653 | case ISCSI_FLASHNODE_ALIAS: |
| 6654 | rc = iscsi_switch_str_param(&fnode_sess->targetalias, |
| 6655 | (char *)fnode_param->value); |
| 6656 | break; |
| 6657 | case ISCSI_FLASHNODE_REDIRECT_IPADDR: |
| 6658 | memcpy(fnode_conn->redirect_ipaddr, fnode_param->value, |
| 6659 | IPv6_ADDR_LEN); |
| 6660 | break; |
| 6661 | case ISCSI_FLASHNODE_MAX_SEGMENT_SIZE: |
| 6662 | fnode_conn->max_segment_size = |
| 6663 | *(unsigned *)fnode_param->value; |
| 6664 | break; |
| 6665 | case ISCSI_FLASHNODE_LOCAL_PORT: |
| 6666 | fnode_conn->local_port = |
| 6667 | *(uint16_t *)fnode_param->value; |
| 6668 | break; |
| 6669 | case ISCSI_FLASHNODE_IPV4_TOS: |
| 6670 | fnode_conn->ipv4_tos = fnode_param->value[0]; |
| 6671 | break; |
| 6672 | case ISCSI_FLASHNODE_IPV6_TC: |
| 6673 | fnode_conn->ipv6_traffic_class = fnode_param->value[0]; |
| 6674 | break; |
| 6675 | case ISCSI_FLASHNODE_IPV6_FLOW_LABEL: |
| 6676 | fnode_conn->ipv6_flow_label = fnode_param->value[0]; |
| 6677 | break; |
| 6678 | case ISCSI_FLASHNODE_NAME: |
| 6679 | rc = iscsi_switch_str_param(&fnode_sess->targetname, |
| 6680 | (char *)fnode_param->value); |
| 6681 | break; |
| 6682 | case ISCSI_FLASHNODE_TPGT: |
| 6683 | fnode_sess->tpgt = *(uint16_t *)fnode_param->value; |
| 6684 | break; |
| 6685 | case ISCSI_FLASHNODE_LINK_LOCAL_IPV6: |
| 6686 | memcpy(fnode_conn->link_local_ipv6_addr, |
| 6687 | fnode_param->value, IPv6_ADDR_LEN); |
| 6688 | break; |
Adheer Chandravanshi | 6556016 | 2013-07-08 08:33:06 -0400 | [diff] [blame] | 6689 | case ISCSI_FLASHNODE_DISCOVERY_PARENT_IDX: |
| 6690 | fnode_sess->discovery_parent_idx = |
Adheer Chandravanshi | 1e9e2be | 2013-03-22 07:41:31 -0400 | [diff] [blame] | 6691 | *(uint16_t *)fnode_param->value; |
| 6692 | break; |
| 6693 | case ISCSI_FLASHNODE_TCP_XMIT_WSF: |
| 6694 | fnode_conn->tcp_xmit_wsf = |
| 6695 | *(uint8_t *)fnode_param->value; |
| 6696 | break; |
| 6697 | case ISCSI_FLASHNODE_TCP_RECV_WSF: |
| 6698 | fnode_conn->tcp_recv_wsf = |
| 6699 | *(uint8_t *)fnode_param->value; |
| 6700 | break; |
| 6701 | case ISCSI_FLASHNODE_STATSN: |
| 6702 | fnode_conn->statsn = *(uint32_t *)fnode_param->value; |
| 6703 | break; |
| 6704 | case ISCSI_FLASHNODE_EXP_STATSN: |
| 6705 | fnode_conn->exp_statsn = |
| 6706 | *(uint32_t *)fnode_param->value; |
| 6707 | break; |
| 6708 | default: |
| 6709 | ql4_printk(KERN_ERR, ha, |
| 6710 | "%s: No such sysfs attribute\n", __func__); |
| 6711 | rc = -ENOSYS; |
| 6712 | goto exit_set_param; |
| 6713 | } |
| 6714 | } |
| 6715 | |
| 6716 | rc = qla4xxx_sysfs_ddb_apply(fnode_sess, fnode_conn); |
| 6717 | |
| 6718 | exit_set_param: |
| 6719 | return rc; |
| 6720 | } |
| 6721 | |
| 6722 | /** |
| 6723 | * qla4xxx_sysfs_ddb_delete - Delete firmware DDB entry |
| 6724 | * @fnode_sess: pointer to session attrs of flash ddb entry |
| 6725 | * |
| 6726 | * This invalidates the flash ddb entry at the given index |
| 6727 | **/ |
| 6728 | static int qla4xxx_sysfs_ddb_delete(struct iscsi_bus_flash_session *fnode_sess) |
| 6729 | { |
| 6730 | struct Scsi_Host *shost = iscsi_flash_session_to_shost(fnode_sess); |
| 6731 | struct scsi_qla_host *ha = to_qla_host(shost); |
| 6732 | uint32_t dev_db_start_offset; |
| 6733 | uint32_t dev_db_end_offset; |
| 6734 | struct dev_db_entry *fw_ddb_entry = NULL; |
| 6735 | dma_addr_t fw_ddb_entry_dma; |
| 6736 | uint16_t *ddb_cookie = NULL; |
Vikas Chaudhary | b6130ce | 2013-04-17 05:15:26 -0400 | [diff] [blame] | 6737 | size_t ddb_size = 0; |
Adheer Chandravanshi | 039acc1 | 2013-04-05 07:06:06 -0400 | [diff] [blame] | 6738 | void *pddb = NULL; |
Adheer Chandravanshi | 1e9e2be | 2013-03-22 07:41:31 -0400 | [diff] [blame] | 6739 | int target_id; |
| 6740 | int rc = 0; |
| 6741 | |
Adheer Chandravanshi | 1e9e2be | 2013-03-22 07:41:31 -0400 | [diff] [blame] | 6742 | if (fnode_sess->is_boot_target) { |
| 6743 | rc = -EPERM; |
| 6744 | DEBUG2(ql4_printk(KERN_ERR, ha, |
| 6745 | "%s: Deletion of boot target entry is not permitted.\n", |
| 6746 | __func__)); |
| 6747 | goto exit_ddb_del; |
| 6748 | } |
| 6749 | |
| 6750 | if (fnode_sess->flash_state == DEV_DB_NON_PERSISTENT) |
| 6751 | goto sysfs_ddb_del; |
| 6752 | |
Adheer Chandravanshi | 1e9e2be | 2013-03-22 07:41:31 -0400 | [diff] [blame] | 6753 | if (is_qla40XX(ha)) { |
| 6754 | dev_db_start_offset = FLASH_OFFSET_DB_INFO; |
Adheer Chandravanshi | 039acc1 | 2013-04-05 07:06:06 -0400 | [diff] [blame] | 6755 | dev_db_end_offset = FLASH_OFFSET_DB_END; |
| 6756 | dev_db_start_offset += (fnode_sess->target_id * |
| 6757 | sizeof(*fw_ddb_entry)); |
| 6758 | ddb_size = sizeof(*fw_ddb_entry); |
Adheer Chandravanshi | 1e9e2be | 2013-03-22 07:41:31 -0400 | [diff] [blame] | 6759 | } else { |
| 6760 | dev_db_start_offset = FLASH_RAW_ACCESS_ADDR + |
| 6761 | (ha->hw.flt_region_ddb << 2); |
| 6762 | /* flt_ddb_size is DDB table size for both ports |
| 6763 | * so divide it by 2 to calculate the offset for second port |
| 6764 | */ |
| 6765 | if (ha->port_num == 1) |
| 6766 | dev_db_start_offset += (ha->hw.flt_ddb_size / 2); |
Adheer Chandravanshi | 1e9e2be | 2013-03-22 07:41:31 -0400 | [diff] [blame] | 6767 | |
Adheer Chandravanshi | 039acc1 | 2013-04-05 07:06:06 -0400 | [diff] [blame] | 6768 | dev_db_end_offset = dev_db_start_offset + |
| 6769 | (ha->hw.flt_ddb_size / 2); |
| 6770 | |
| 6771 | dev_db_start_offset += (fnode_sess->target_id * |
| 6772 | sizeof(*fw_ddb_entry)); |
Adheer Chandravanshi | 1bcb561 | 2013-04-17 05:15:28 -0400 | [diff] [blame] | 6773 | dev_db_start_offset += offsetof(struct dev_db_entry, cookie); |
Adheer Chandravanshi | 039acc1 | 2013-04-05 07:06:06 -0400 | [diff] [blame] | 6774 | |
| 6775 | ddb_size = sizeof(*ddb_cookie); |
| 6776 | } |
Adheer Chandravanshi | 1e9e2be | 2013-03-22 07:41:31 -0400 | [diff] [blame] | 6777 | |
| 6778 | DEBUG2(ql4_printk(KERN_ERR, ha, "%s: start offset=%u, end offset=%u\n", |
| 6779 | __func__, dev_db_start_offset, dev_db_end_offset)); |
| 6780 | |
| 6781 | if (dev_db_start_offset > dev_db_end_offset) { |
| 6782 | rc = -EIO; |
| 6783 | DEBUG2(ql4_printk(KERN_ERR, ha, "%s:Invalid DDB index %u\n", |
| 6784 | __func__, fnode_sess->target_id)); |
| 6785 | goto exit_ddb_del; |
| 6786 | } |
| 6787 | |
Adheer Chandravanshi | 039acc1 | 2013-04-05 07:06:06 -0400 | [diff] [blame] | 6788 | pddb = dma_alloc_coherent(&ha->pdev->dev, ddb_size, |
| 6789 | &fw_ddb_entry_dma, GFP_KERNEL); |
| 6790 | if (!pddb) { |
| 6791 | rc = -ENOMEM; |
| 6792 | DEBUG2(ql4_printk(KERN_ERR, ha, |
| 6793 | "%s: Unable to allocate dma buffer\n", |
| 6794 | __func__)); |
| 6795 | goto exit_ddb_del; |
| 6796 | } |
| 6797 | |
| 6798 | if (is_qla40XX(ha)) { |
| 6799 | fw_ddb_entry = pddb; |
| 6800 | memset(fw_ddb_entry, 0, ddb_size); |
| 6801 | ddb_cookie = &fw_ddb_entry->cookie; |
| 6802 | } else { |
| 6803 | ddb_cookie = pddb; |
| 6804 | } |
| 6805 | |
Adheer Chandravanshi | 1e9e2be | 2013-03-22 07:41:31 -0400 | [diff] [blame] | 6806 | /* invalidate the cookie */ |
| 6807 | *ddb_cookie = 0xFFEE; |
| 6808 | qla4xxx_set_flash(ha, fw_ddb_entry_dma, dev_db_start_offset, |
Adheer Chandravanshi | 039acc1 | 2013-04-05 07:06:06 -0400 | [diff] [blame] | 6809 | ddb_size, FLASH_OPT_RMW_COMMIT); |
Adheer Chandravanshi | 1e9e2be | 2013-03-22 07:41:31 -0400 | [diff] [blame] | 6810 | |
| 6811 | sysfs_ddb_del: |
| 6812 | target_id = fnode_sess->target_id; |
| 6813 | iscsi_destroy_flashnode_sess(fnode_sess); |
| 6814 | ql4_printk(KERN_INFO, ha, |
| 6815 | "%s: session and conn entries for flashnode %u of host %lu deleted\n", |
| 6816 | __func__, target_id, ha->host_no); |
| 6817 | exit_ddb_del: |
Adheer Chandravanshi | 039acc1 | 2013-04-05 07:06:06 -0400 | [diff] [blame] | 6818 | if (pddb) |
| 6819 | dma_free_coherent(&ha->pdev->dev, ddb_size, pddb, |
| 6820 | fw_ddb_entry_dma); |
Adheer Chandravanshi | 1e9e2be | 2013-03-22 07:41:31 -0400 | [diff] [blame] | 6821 | return rc; |
| 6822 | } |
| 6823 | |
| 6824 | /** |
| 6825 | * qla4xxx_sysfs_ddb_export - Create sysfs entries for firmware DDBs |
| 6826 | * @ha: pointer to adapter structure |
| 6827 | * |
| 6828 | * Export the firmware DDB for all send targets and normal targets to sysfs. |
| 6829 | **/ |
| 6830 | static int qla4xxx_sysfs_ddb_export(struct scsi_qla_host *ha) |
| 6831 | { |
| 6832 | struct dev_db_entry *fw_ddb_entry = NULL; |
| 6833 | dma_addr_t fw_ddb_entry_dma; |
| 6834 | uint16_t max_ddbs; |
| 6835 | uint16_t idx = 0; |
| 6836 | int ret = QLA_SUCCESS; |
| 6837 | |
| 6838 | fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, |
| 6839 | sizeof(*fw_ddb_entry), |
| 6840 | &fw_ddb_entry_dma, GFP_KERNEL); |
| 6841 | if (!fw_ddb_entry) { |
| 6842 | DEBUG2(ql4_printk(KERN_ERR, ha, |
| 6843 | "%s: Unable to allocate dma buffer\n", |
| 6844 | __func__)); |
| 6845 | return -ENOMEM; |
| 6846 | } |
| 6847 | |
Adheer Chandravanshi | a957a7d | 2013-04-05 07:06:08 -0400 | [diff] [blame] | 6848 | max_ddbs = is_qla40XX(ha) ? MAX_PRST_DEV_DB_ENTRIES : |
Adheer Chandravanshi | 1e9e2be | 2013-03-22 07:41:31 -0400 | [diff] [blame] | 6849 | MAX_DEV_DB_ENTRIES; |
| 6850 | |
| 6851 | for (idx = 0; idx < max_ddbs; idx++) { |
| 6852 | if (qla4xxx_flashdb_by_index(ha, fw_ddb_entry, fw_ddb_entry_dma, |
| 6853 | idx)) |
| 6854 | continue; |
| 6855 | |
| 6856 | ret = qla4xxx_sysfs_ddb_tgt_create(ha, fw_ddb_entry, &idx, 0); |
| 6857 | if (ret) { |
| 6858 | ret = -EIO; |
| 6859 | break; |
| 6860 | } |
| 6861 | } |
| 6862 | |
| 6863 | dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), fw_ddb_entry, |
| 6864 | fw_ddb_entry_dma); |
| 6865 | |
| 6866 | return ret; |
| 6867 | } |
| 6868 | |
| 6869 | static void qla4xxx_sysfs_ddb_remove(struct scsi_qla_host *ha) |
| 6870 | { |
| 6871 | iscsi_destroy_all_flashnode(ha->host); |
| 6872 | } |
| 6873 | |
Lalit Chandivade | 4a4bc2e | 2011-12-16 01:58:55 -0800 | [diff] [blame] | 6874 | /** |
| 6875 | * qla4xxx_build_ddb_list - Build ddb list and setup sessions |
| 6876 | * @ha: pointer to adapter structure |
| 6877 | * @is_reset: Is this init path or reset path |
| 6878 | * |
| 6879 | * Create a list of sendtargets (st) from firmware DDBs, issue send targets |
| 6880 | * using connection open, then create the list of normal targets (nt) |
| 6881 | * from firmware DDBs. Based on the list of nt setup session and connection |
| 6882 | * objects. |
| 6883 | **/ |
| 6884 | void qla4xxx_build_ddb_list(struct scsi_qla_host *ha, int is_reset) |
| 6885 | { |
| 6886 | uint16_t tmo = 0; |
| 6887 | struct list_head list_st, list_nt; |
| 6888 | struct qla_ddb_index *st_ddb_idx, *st_ddb_idx_tmp; |
| 6889 | unsigned long wtime; |
| 6890 | |
| 6891 | if (!test_bit(AF_LINK_UP, &ha->flags)) { |
| 6892 | set_bit(AF_BUILD_DDB_LIST, &ha->flags); |
| 6893 | ha->is_reset = is_reset; |
| 6894 | return; |
| 6895 | } |
| 6896 | |
| 6897 | INIT_LIST_HEAD(&list_st); |
| 6898 | INIT_LIST_HEAD(&list_nt); |
| 6899 | |
| 6900 | qla4xxx_build_st_list(ha, &list_st); |
| 6901 | |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 6902 | /* Before issuing conn open mbox, ensure all IPs states are configured |
| 6903 | * Note, conn open fails if IPs are not configured |
| 6904 | */ |
| 6905 | qla4xxx_wait_for_ip_configuration(ha); |
| 6906 | |
| 6907 | /* Go thru the STs and fire the sendtargets by issuing conn open mbx */ |
| 6908 | list_for_each_entry_safe(st_ddb_idx, st_ddb_idx_tmp, &list_st, list) { |
| 6909 | qla4xxx_conn_open(ha, st_ddb_idx->fw_ddb_idx); |
| 6910 | } |
| 6911 | |
| 6912 | /* Wait to ensure all sendtargets are done for min 12 sec wait */ |
Nilesh Javali | c28eaac | 2011-12-18 21:40:44 -0800 | [diff] [blame] | 6913 | tmo = ((ha->def_timeout > LOGIN_TOV) && |
| 6914 | (ha->def_timeout < LOGIN_TOV * 10) ? |
| 6915 | ha->def_timeout : LOGIN_TOV); |
| 6916 | |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 6917 | DEBUG2(ql4_printk(KERN_INFO, ha, |
| 6918 | "Default time to wait for build ddb %d\n", tmo)); |
| 6919 | |
| 6920 | wtime = jiffies + (HZ * tmo); |
| 6921 | do { |
Nilesh Javali | f1f2e60 | 2011-12-16 01:58:57 -0800 | [diff] [blame] | 6922 | if (list_empty(&list_st)) |
| 6923 | break; |
| 6924 | |
Lalit Chandivade | 4a4bc2e | 2011-12-16 01:58:55 -0800 | [diff] [blame] | 6925 | qla4xxx_remove_failed_ddb(ha, &list_st); |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 6926 | schedule_timeout_uninterruptible(HZ / 10); |
| 6927 | } while (time_after(wtime, jiffies)); |
| 6928 | |
| 6929 | /* Free up the sendtargets list */ |
Lalit Chandivade | 4a4bc2e | 2011-12-16 01:58:55 -0800 | [diff] [blame] | 6930 | qla4xxx_free_ddb_list(&list_st); |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 6931 | |
Lalit Chandivade | 4a4bc2e | 2011-12-16 01:58:55 -0800 | [diff] [blame] | 6932 | qla4xxx_build_nt_list(ha, &list_nt, is_reset); |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 6933 | |
Lalit Chandivade | 4a4bc2e | 2011-12-16 01:58:55 -0800 | [diff] [blame] | 6934 | qla4xxx_free_ddb_list(&list_nt); |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 6935 | |
| 6936 | qla4xxx_free_ddb_index(ha); |
| 6937 | } |
| 6938 | |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 6939 | /** |
Manish Rangankar | 1dc8ed5 | 2013-01-20 23:51:03 -0500 | [diff] [blame] | 6940 | * qla4xxx_wait_login_resp_boot_tgt - Wait for iSCSI boot target login |
| 6941 | * response. |
| 6942 | * @ha: pointer to adapter structure |
| 6943 | * |
| 6944 | * When the boot entry is normal iSCSI target then DF_BOOT_TGT flag will be |
| 6945 | * set in DDB and we will wait for login response of boot targets during |
| 6946 | * probe. |
| 6947 | **/ |
| 6948 | static void qla4xxx_wait_login_resp_boot_tgt(struct scsi_qla_host *ha) |
| 6949 | { |
| 6950 | struct ddb_entry *ddb_entry; |
| 6951 | struct dev_db_entry *fw_ddb_entry = NULL; |
| 6952 | dma_addr_t fw_ddb_entry_dma; |
| 6953 | unsigned long wtime; |
| 6954 | uint32_t ddb_state; |
| 6955 | int max_ddbs, idx, ret; |
| 6956 | |
| 6957 | max_ddbs = is_qla40XX(ha) ? MAX_DEV_DB_ENTRIES_40XX : |
| 6958 | MAX_DEV_DB_ENTRIES; |
| 6959 | |
| 6960 | fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), |
| 6961 | &fw_ddb_entry_dma, GFP_KERNEL); |
| 6962 | if (!fw_ddb_entry) { |
| 6963 | ql4_printk(KERN_ERR, ha, |
| 6964 | "%s: Unable to allocate dma buffer\n", __func__); |
| 6965 | goto exit_login_resp; |
| 6966 | } |
| 6967 | |
| 6968 | wtime = jiffies + (HZ * BOOT_LOGIN_RESP_TOV); |
| 6969 | |
| 6970 | for (idx = 0; idx < max_ddbs; idx++) { |
| 6971 | ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, idx); |
| 6972 | if (ddb_entry == NULL) |
| 6973 | continue; |
| 6974 | |
| 6975 | if (test_bit(DF_BOOT_TGT, &ddb_entry->flags)) { |
| 6976 | DEBUG2(ql4_printk(KERN_INFO, ha, |
| 6977 | "%s: DDB index [%d]\n", __func__, |
| 6978 | ddb_entry->fw_ddb_index)); |
| 6979 | do { |
| 6980 | ret = qla4xxx_get_fwddb_entry(ha, |
| 6981 | ddb_entry->fw_ddb_index, |
| 6982 | fw_ddb_entry, fw_ddb_entry_dma, |
| 6983 | NULL, NULL, &ddb_state, NULL, |
| 6984 | NULL, NULL); |
| 6985 | if (ret == QLA_ERROR) |
| 6986 | goto exit_login_resp; |
| 6987 | |
| 6988 | if ((ddb_state == DDB_DS_SESSION_ACTIVE) || |
| 6989 | (ddb_state == DDB_DS_SESSION_FAILED)) |
| 6990 | break; |
| 6991 | |
| 6992 | schedule_timeout_uninterruptible(HZ); |
| 6993 | |
| 6994 | } while ((time_after(wtime, jiffies))); |
| 6995 | |
| 6996 | if (!time_after(wtime, jiffies)) { |
| 6997 | DEBUG2(ql4_printk(KERN_INFO, ha, |
| 6998 | "%s: Login response wait timer expired\n", |
| 6999 | __func__)); |
| 7000 | goto exit_login_resp; |
| 7001 | } |
| 7002 | } |
| 7003 | } |
| 7004 | |
| 7005 | exit_login_resp: |
| 7006 | if (fw_ddb_entry) |
| 7007 | dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), |
| 7008 | fw_ddb_entry, fw_ddb_entry_dma); |
| 7009 | } |
| 7010 | |
| 7011 | /** |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 7012 | * qla4xxx_probe_adapter - callback function to probe HBA |
| 7013 | * @pdev: pointer to pci_dev structure |
| 7014 | * @pci_device_id: pointer to pci_device entry |
| 7015 | * |
| 7016 | * This routine will probe for Qlogic 4xxx iSCSI host adapters. |
| 7017 | * It returns zero if successful. It also initializes all data necessary for |
| 7018 | * the driver. |
| 7019 | **/ |
Greg Kroah-Hartman | 6f03979 | 2012-12-21 13:08:55 -0800 | [diff] [blame] | 7020 | static int qla4xxx_probe_adapter(struct pci_dev *pdev, |
| 7021 | const struct pci_device_id *ent) |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 7022 | { |
| 7023 | int ret = -ENODEV, status; |
| 7024 | struct Scsi_Host *host; |
| 7025 | struct scsi_qla_host *ha; |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 7026 | uint8_t init_retry_count = 0; |
| 7027 | char buf[34]; |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 7028 | struct qla4_8xxx_legacy_intr_set *nx_legacy_intr; |
Prasanna Mumbai | f9880e7 | 2011-03-21 03:34:26 -0700 | [diff] [blame] | 7029 | uint32_t dev_state; |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 7030 | |
| 7031 | if (pci_enable_device(pdev)) |
| 7032 | return -1; |
| 7033 | |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 7034 | host = iscsi_host_alloc(&qla4xxx_driver_template, sizeof(*ha), 0); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 7035 | if (host == NULL) { |
| 7036 | printk(KERN_WARNING |
| 7037 | "qla4xxx: Couldn't allocate host from scsi layer!\n"); |
| 7038 | goto probe_disable_device; |
| 7039 | } |
| 7040 | |
| 7041 | /* Clear our data area */ |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 7042 | ha = to_qla_host(host); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 7043 | memset(ha, 0, sizeof(*ha)); |
| 7044 | |
| 7045 | /* Save the information from PCI BIOS. */ |
| 7046 | ha->pdev = pdev; |
| 7047 | ha->host = host; |
| 7048 | ha->host_no = host->host_no; |
Vikas Chaudhary | 6e7b429 | 2012-08-22 07:55:08 -0400 | [diff] [blame] | 7049 | ha->func_num = PCI_FUNC(ha->pdev->devfn); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 7050 | |
Lalit Chandivade | 2232be0 | 2010-07-30 14:38:47 +0530 | [diff] [blame] | 7051 | pci_enable_pcie_error_reporting(pdev); |
| 7052 | |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 7053 | /* Setup Runtime configurable options */ |
| 7054 | if (is_qla8022(ha)) { |
Vikas Chaudhary | 7664a1f | 2012-08-22 07:55:00 -0400 | [diff] [blame] | 7055 | ha->isp_ops = &qla4_82xx_isp_ops; |
Vikas Chaudhary | 33693c7 | 2012-08-22 07:55:04 -0400 | [diff] [blame] | 7056 | ha->reg_tbl = (uint32_t *) qla4_82xx_reg_tbl; |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 7057 | ha->qdr_sn_window = -1; |
| 7058 | ha->ddr_mn_window = -1; |
| 7059 | ha->curr_window = 255; |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 7060 | nx_legacy_intr = &legacy_intr[ha->func_num]; |
| 7061 | ha->nx_legacy_intr.int_vec_bit = nx_legacy_intr->int_vec_bit; |
| 7062 | ha->nx_legacy_intr.tgt_status_reg = |
| 7063 | nx_legacy_intr->tgt_status_reg; |
| 7064 | ha->nx_legacy_intr.tgt_mask_reg = nx_legacy_intr->tgt_mask_reg; |
| 7065 | ha->nx_legacy_intr.pci_int_reg = nx_legacy_intr->pci_int_reg; |
Vikas Chaudhary | b37ca41 | 2013-08-16 07:03:02 -0400 | [diff] [blame] | 7066 | } else if (is_qla8032(ha) || is_qla8042(ha)) { |
Vikas Chaudhary | 6e7b429 | 2012-08-22 07:55:08 -0400 | [diff] [blame] | 7067 | ha->isp_ops = &qla4_83xx_isp_ops; |
| 7068 | ha->reg_tbl = (uint32_t *)qla4_83xx_reg_tbl; |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 7069 | } else { |
| 7070 | ha->isp_ops = &qla4xxx_isp_ops; |
| 7071 | } |
| 7072 | |
Vikas Chaudhary | 6e7b429 | 2012-08-22 07:55:08 -0400 | [diff] [blame] | 7073 | if (is_qla80XX(ha)) { |
| 7074 | rwlock_init(&ha->hw_lock); |
| 7075 | ha->pf_bit = ha->func_num << 16; |
| 7076 | /* Set EEH reset type to fundamental if required by hba */ |
Lalit Chandivade | 2232be0 | 2010-07-30 14:38:47 +0530 | [diff] [blame] | 7077 | pdev->needs_freset = 1; |
Vikas Chaudhary | 6e7b429 | 2012-08-22 07:55:08 -0400 | [diff] [blame] | 7078 | } |
Lalit Chandivade | 2232be0 | 2010-07-30 14:38:47 +0530 | [diff] [blame] | 7079 | |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 7080 | /* Configure PCI I/O space. */ |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 7081 | ret = ha->isp_ops->iospace_config(ha); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 7082 | if (ret) |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 7083 | goto probe_failed_ioconfig; |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 7084 | |
Vikas Chaudhary | c2660df | 2010-07-10 14:51:02 +0530 | [diff] [blame] | 7085 | ql4_printk(KERN_INFO, ha, "Found an ISP%04x, irq %d, iobase 0x%p\n", |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 7086 | pdev->device, pdev->irq, ha->reg); |
| 7087 | |
| 7088 | qla4xxx_config_dma_addressing(ha); |
| 7089 | |
| 7090 | /* Initialize lists and spinlocks. */ |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 7091 | INIT_LIST_HEAD(&ha->free_srb_q); |
| 7092 | |
| 7093 | mutex_init(&ha->mbox_sem); |
Lalit Chandivade | 4549415 | 2011-10-07 16:55:42 -0700 | [diff] [blame] | 7094 | mutex_init(&ha->chap_sem); |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 7095 | init_completion(&ha->mbx_intr_comp); |
Vikas Chaudhary | 95d3126 | 2011-08-12 02:51:29 -0700 | [diff] [blame] | 7096 | init_completion(&ha->disable_acb_comp); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 7097 | |
| 7098 | spin_lock_init(&ha->hardware_lock); |
Vikas Chaudhary | 8e9157c | 2012-08-22 07:45:24 -0400 | [diff] [blame] | 7099 | spin_lock_init(&ha->work_lock); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 7100 | |
Vikas Chaudhary | ff88443 | 2011-08-29 23:43:02 +0530 | [diff] [blame] | 7101 | /* Initialize work list */ |
| 7102 | INIT_LIST_HEAD(&ha->work_list); |
| 7103 | |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 7104 | /* Allocate dma buffers */ |
| 7105 | if (qla4xxx_mem_alloc(ha)) { |
Vikas Chaudhary | c2660df | 2010-07-10 14:51:02 +0530 | [diff] [blame] | 7106 | ql4_printk(KERN_WARNING, ha, |
| 7107 | "[ERROR] Failed to allocate memory for adapter\n"); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 7108 | |
| 7109 | ret = -ENOMEM; |
| 7110 | goto probe_failed; |
| 7111 | } |
| 7112 | |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 7113 | host->cmd_per_lun = 3; |
| 7114 | host->max_channel = 0; |
| 7115 | host->max_lun = MAX_LUNS - 1; |
| 7116 | host->max_id = MAX_TARGETS; |
| 7117 | host->max_cmd_len = IOCB_MAX_CDB_LEN; |
| 7118 | host->can_queue = MAX_SRBS ; |
| 7119 | host->transportt = qla4xxx_scsi_transport; |
| 7120 | |
| 7121 | ret = scsi_init_shared_tag_map(host, MAX_SRBS); |
| 7122 | if (ret) { |
| 7123 | ql4_printk(KERN_WARNING, ha, |
| 7124 | "%s: scsi_init_shared_tag_map failed\n", __func__); |
| 7125 | goto probe_failed; |
| 7126 | } |
| 7127 | |
| 7128 | pci_set_drvdata(pdev, ha); |
| 7129 | |
| 7130 | ret = scsi_add_host(host, &pdev->dev); |
| 7131 | if (ret) |
| 7132 | goto probe_failed; |
| 7133 | |
Vikas Chaudhary | 6e7b429 | 2012-08-22 07:55:08 -0400 | [diff] [blame] | 7134 | if (is_qla80XX(ha)) |
| 7135 | qla4_8xxx_get_flash_info(ha); |
| 7136 | |
Vikas Chaudhary | b37ca41 | 2013-08-16 07:03:02 -0400 | [diff] [blame] | 7137 | if (is_qla8032(ha) || is_qla8042(ha)) { |
Vikas Chaudhary | 6e7b429 | 2012-08-22 07:55:08 -0400 | [diff] [blame] | 7138 | qla4_83xx_read_reset_template(ha); |
| 7139 | /* |
| 7140 | * NOTE: If ql4dontresethba==1, set IDC_CTRL DONTRESET_BIT0. |
| 7141 | * If DONRESET_BIT0 is set, drivers should not set dev_state |
| 7142 | * to NEED_RESET. But if NEED_RESET is set, drivers should |
| 7143 | * should honor the reset. |
| 7144 | */ |
| 7145 | if (ql4xdontresethba == 1) |
| 7146 | qla4_83xx_set_idc_dontreset(ha); |
| 7147 | } |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 7148 | |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 7149 | /* |
| 7150 | * Initialize the Host adapter request/response queues and |
| 7151 | * firmware |
| 7152 | * NOTE: interrupts enabled upon successful completion |
| 7153 | */ |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 7154 | status = qla4xxx_initialize_adapter(ha, INIT_ADAPTER); |
Poornima Vonti | 7977f82 | 2012-09-20 07:35:07 -0400 | [diff] [blame] | 7155 | |
| 7156 | /* Dont retry adapter initialization if IRQ allocation failed */ |
Nilesh Javali | 17801c9 | 2013-03-22 07:22:42 -0400 | [diff] [blame] | 7157 | if (is_qla80XX(ha) && !test_bit(AF_IRQ_ATTACHED, &ha->flags)) { |
| 7158 | ql4_printk(KERN_WARNING, ha, "%s: Skipping retry of adapter initialization\n", |
| 7159 | __func__); |
Poornima Vonti | 7977f82 | 2012-09-20 07:35:07 -0400 | [diff] [blame] | 7160 | goto skip_retry_init; |
Nilesh Javali | 17801c9 | 2013-03-22 07:22:42 -0400 | [diff] [blame] | 7161 | } |
Poornima Vonti | 7977f82 | 2012-09-20 07:35:07 -0400 | [diff] [blame] | 7162 | |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 7163 | while ((!test_bit(AF_ONLINE, &ha->flags)) && |
| 7164 | init_retry_count++ < MAX_INIT_RETRIES) { |
Prasanna Mumbai | f9880e7 | 2011-03-21 03:34:26 -0700 | [diff] [blame] | 7165 | |
Vikas Chaudhary | 6e7b429 | 2012-08-22 07:55:08 -0400 | [diff] [blame] | 7166 | if (is_qla80XX(ha)) { |
Vikas Chaudhary | 33693c7 | 2012-08-22 07:55:04 -0400 | [diff] [blame] | 7167 | ha->isp_ops->idc_lock(ha); |
| 7168 | dev_state = qla4_8xxx_rd_direct(ha, |
Vikas Chaudhary | e951aca | 2012-12-29 02:24:52 -0500 | [diff] [blame] | 7169 | QLA8XXX_CRB_DEV_STATE); |
Vikas Chaudhary | 33693c7 | 2012-08-22 07:55:04 -0400 | [diff] [blame] | 7170 | ha->isp_ops->idc_unlock(ha); |
Vikas Chaudhary | de8c72d | 2012-08-22 09:14:24 -0400 | [diff] [blame] | 7171 | if (dev_state == QLA8XXX_DEV_FAILED) { |
Prasanna Mumbai | f9880e7 | 2011-03-21 03:34:26 -0700 | [diff] [blame] | 7172 | ql4_printk(KERN_WARNING, ha, "%s: don't retry " |
| 7173 | "initialize adapter. H/W is in failed state\n", |
| 7174 | __func__); |
| 7175 | break; |
| 7176 | } |
| 7177 | } |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 7178 | DEBUG2(printk("scsi: %s: retrying adapter initialization " |
| 7179 | "(%d)\n", __func__, init_retry_count)); |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 7180 | |
| 7181 | if (ha->isp_ops->reset_chip(ha) == QLA_ERROR) |
| 7182 | continue; |
| 7183 | |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 7184 | status = qla4xxx_initialize_adapter(ha, INIT_ADAPTER); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 7185 | } |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 7186 | |
Poornima Vonti | 7977f82 | 2012-09-20 07:35:07 -0400 | [diff] [blame] | 7187 | skip_retry_init: |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 7188 | if (!test_bit(AF_ONLINE, &ha->flags)) { |
Vikas Chaudhary | c2660df | 2010-07-10 14:51:02 +0530 | [diff] [blame] | 7189 | ql4_printk(KERN_WARNING, ha, "Failed to initialize adapter\n"); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 7190 | |
Vikas Chaudhary | 6e7b429 | 2012-08-22 07:55:08 -0400 | [diff] [blame] | 7191 | if ((is_qla8022(ha) && ql4xdontresethba) || |
Vikas Chaudhary | b37ca41 | 2013-08-16 07:03:02 -0400 | [diff] [blame] | 7192 | ((is_qla8032(ha) || is_qla8042(ha)) && |
| 7193 | qla4_83xx_idc_dontreset(ha))) { |
Lalit Chandivade | fe99852 | 2010-12-02 22:12:36 -0800 | [diff] [blame] | 7194 | /* Put the device in failed state. */ |
| 7195 | DEBUG2(printk(KERN_ERR "HW STATE: FAILED\n")); |
Vikas Chaudhary | 33693c7 | 2012-08-22 07:55:04 -0400 | [diff] [blame] | 7196 | ha->isp_ops->idc_lock(ha); |
| 7197 | qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DEV_STATE, |
| 7198 | QLA8XXX_DEV_FAILED); |
| 7199 | ha->isp_ops->idc_unlock(ha); |
Lalit Chandivade | fe99852 | 2010-12-02 22:12:36 -0800 | [diff] [blame] | 7200 | } |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 7201 | ret = -ENODEV; |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 7202 | goto remove_host; |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 7203 | } |
| 7204 | |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 7205 | /* Startup the kernel thread for this host adapter. */ |
| 7206 | DEBUG2(printk("scsi: %s: Starting kernel thread for " |
| 7207 | "qla4xxx_dpc\n", __func__)); |
| 7208 | sprintf(buf, "qla4xxx_%lu_dpc", ha->host_no); |
| 7209 | ha->dpc_thread = create_singlethread_workqueue(buf); |
| 7210 | if (!ha->dpc_thread) { |
Vikas Chaudhary | c2660df | 2010-07-10 14:51:02 +0530 | [diff] [blame] | 7211 | ql4_printk(KERN_WARNING, ha, "Unable to start DPC thread!\n"); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 7212 | ret = -ENODEV; |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 7213 | goto remove_host; |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 7214 | } |
David Howells | c402895 | 2006-11-22 14:57:56 +0000 | [diff] [blame] | 7215 | INIT_WORK(&ha->dpc_work, qla4xxx_do_dpc); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 7216 | |
Kees Cook | d853754 | 2013-07-03 15:04:57 -0700 | [diff] [blame] | 7217 | ha->task_wq = alloc_workqueue("qla4xxx_%lu_task", WQ_MEM_RECLAIM, 1, |
| 7218 | ha->host_no); |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 7219 | if (!ha->task_wq) { |
| 7220 | ql4_printk(KERN_WARNING, ha, "Unable to start task thread!\n"); |
| 7221 | ret = -ENODEV; |
| 7222 | goto remove_host; |
| 7223 | } |
| 7224 | |
Vikas Chaudhary | 6e7b429 | 2012-08-22 07:55:08 -0400 | [diff] [blame] | 7225 | /* |
| 7226 | * For ISP-8XXX, request_irqs is called in qla4_8xxx_load_risc |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 7227 | * (which is called indirectly by qla4xxx_initialize_adapter), |
| 7228 | * so that irqs will be registered after crbinit but before |
| 7229 | * mbx_intr_enable. |
| 7230 | */ |
Vikas Chaudhary | ee996a6 | 2012-08-22 07:55:05 -0400 | [diff] [blame] | 7231 | if (is_qla40XX(ha)) { |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 7232 | ret = qla4xxx_request_irqs(ha); |
| 7233 | if (ret) { |
| 7234 | ql4_printk(KERN_WARNING, ha, "Failed to reserve " |
| 7235 | "interrupt %d already in use.\n", pdev->irq); |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 7236 | goto remove_host; |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 7237 | } |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 7238 | } |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 7239 | |
Lalit Chandivade | 2232be0 | 2010-07-30 14:38:47 +0530 | [diff] [blame] | 7240 | pci_save_state(ha->pdev); |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 7241 | ha->isp_ops->enable_intrs(ha); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 7242 | |
| 7243 | /* Start timer thread. */ |
| 7244 | qla4xxx_start_timer(ha, qla4xxx_timer, 1); |
| 7245 | |
| 7246 | set_bit(AF_INIT_DONE, &ha->flags); |
| 7247 | |
Tej Parkash | 068237c8 | 2012-05-18 04:41:44 -0400 | [diff] [blame] | 7248 | qla4_8xxx_alloc_sysfs_attr(ha); |
| 7249 | |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 7250 | printk(KERN_INFO |
| 7251 | " QLogic iSCSI HBA Driver version: %s\n" |
| 7252 | " QLogic ISP%04x @ %s, host#=%ld, fw=%02d.%02d.%02d.%02d\n", |
| 7253 | qla4xxx_version_str, ha->pdev->device, pci_name(ha->pdev), |
Adheer Chandravanshi | eee06a0 | 2013-07-08 08:33:10 -0400 | [diff] [blame] | 7254 | ha->host_no, ha->fw_info.fw_major, ha->fw_info.fw_minor, |
| 7255 | ha->fw_info.fw_patch, ha->fw_info.fw_build); |
Vikas Chaudhary | ed1086e | 2011-07-25 13:48:41 -0500 | [diff] [blame] | 7256 | |
Manish Dusane | cfb2787 | 2012-09-20 07:35:01 -0400 | [diff] [blame] | 7257 | /* Set the driver version */ |
| 7258 | if (is_qla80XX(ha)) |
| 7259 | qla4_8xxx_set_param(ha, SET_DRVR_VERSION); |
| 7260 | |
Manish Rangankar | 2a991c2 | 2011-07-25 13:48:55 -0500 | [diff] [blame] | 7261 | if (qla4xxx_setup_boot_info(ha)) |
Vikas Chaudhary | 3573bfb | 2012-02-27 03:08:57 -0800 | [diff] [blame] | 7262 | ql4_printk(KERN_ERR, ha, |
| 7263 | "%s: No iSCSI boot target configured\n", __func__); |
Manish Rangankar | 2a991c2 | 2011-07-25 13:48:55 -0500 | [diff] [blame] | 7264 | |
Adheer Chandravanshi | 1e9e2be | 2013-03-22 07:41:31 -0400 | [diff] [blame] | 7265 | if (qla4xxx_sysfs_ddb_export(ha)) |
| 7266 | ql4_printk(KERN_ERR, ha, |
| 7267 | "%s: Error exporting ddb to sysfs\n", __func__); |
| 7268 | |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 7269 | /* Perform the build ddb list and login to each */ |
| 7270 | qla4xxx_build_ddb_list(ha, INIT_ADAPTER); |
| 7271 | iscsi_host_for_each_session(ha->host, qla4xxx_login_flash_ddb); |
Manish Rangankar | 1dc8ed5 | 2013-01-20 23:51:03 -0500 | [diff] [blame] | 7272 | qla4xxx_wait_login_resp_boot_tgt(ha); |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 7273 | |
| 7274 | qla4xxx_create_chap_list(ha); |
| 7275 | |
Vikas Chaudhary | ed1086e | 2011-07-25 13:48:41 -0500 | [diff] [blame] | 7276 | qla4xxx_create_ifaces(ha); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 7277 | return 0; |
| 7278 | |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 7279 | remove_host: |
| 7280 | scsi_remove_host(ha->host); |
| 7281 | |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 7282 | probe_failed: |
| 7283 | qla4xxx_free_adapter(ha); |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 7284 | |
| 7285 | probe_failed_ioconfig: |
Lalit Chandivade | 2232be0 | 2010-07-30 14:38:47 +0530 | [diff] [blame] | 7286 | pci_disable_pcie_error_reporting(pdev); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 7287 | scsi_host_put(ha->host); |
| 7288 | |
| 7289 | probe_disable_device: |
| 7290 | pci_disable_device(pdev); |
| 7291 | |
| 7292 | return ret; |
| 7293 | } |
| 7294 | |
| 7295 | /** |
Karen Higgins | 7eece5a | 2011-03-21 03:34:29 -0700 | [diff] [blame] | 7296 | * qla4xxx_prevent_other_port_reinit - prevent other port from re-initialize |
| 7297 | * @ha: pointer to adapter structure |
| 7298 | * |
| 7299 | * Mark the other ISP-4xxx port to indicate that the driver is being removed, |
| 7300 | * so that the other port will not re-initialize while in the process of |
| 7301 | * removing the ha due to driver unload or hba hotplug. |
| 7302 | **/ |
| 7303 | static void qla4xxx_prevent_other_port_reinit(struct scsi_qla_host *ha) |
| 7304 | { |
| 7305 | struct scsi_qla_host *other_ha = NULL; |
| 7306 | struct pci_dev *other_pdev = NULL; |
| 7307 | int fn = ISP4XXX_PCI_FN_2; |
| 7308 | |
| 7309 | /*iscsi function numbers for ISP4xxx is 1 and 3*/ |
| 7310 | if (PCI_FUNC(ha->pdev->devfn) & BIT_1) |
| 7311 | fn = ISP4XXX_PCI_FN_1; |
| 7312 | |
| 7313 | other_pdev = |
| 7314 | pci_get_domain_bus_and_slot(pci_domain_nr(ha->pdev->bus), |
| 7315 | ha->pdev->bus->number, PCI_DEVFN(PCI_SLOT(ha->pdev->devfn), |
| 7316 | fn)); |
| 7317 | |
| 7318 | /* Get other_ha if other_pdev is valid and state is enable*/ |
| 7319 | if (other_pdev) { |
| 7320 | if (atomic_read(&other_pdev->enable_cnt)) { |
| 7321 | other_ha = pci_get_drvdata(other_pdev); |
| 7322 | if (other_ha) { |
| 7323 | set_bit(AF_HA_REMOVAL, &other_ha->flags); |
| 7324 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: " |
| 7325 | "Prevent %s reinit\n", __func__, |
| 7326 | dev_name(&other_ha->pdev->dev))); |
| 7327 | } |
| 7328 | } |
| 7329 | pci_dev_put(other_pdev); |
| 7330 | } |
| 7331 | } |
| 7332 | |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 7333 | static void qla4xxx_destroy_fw_ddb_session(struct scsi_qla_host *ha) |
| 7334 | { |
| 7335 | struct ddb_entry *ddb_entry; |
| 7336 | int options; |
| 7337 | int idx; |
| 7338 | |
| 7339 | for (idx = 0; idx < MAX_DDB_ENTRIES; idx++) { |
| 7340 | |
| 7341 | ddb_entry = qla4xxx_lookup_ddb_by_fw_index(ha, idx); |
| 7342 | if ((ddb_entry != NULL) && |
| 7343 | (ddb_entry->ddb_type == FLASH_DDB)) { |
| 7344 | |
| 7345 | options = LOGOUT_OPTION_CLOSE_SESSION; |
| 7346 | if (qla4xxx_session_logout_ddb(ha, ddb_entry, options) |
| 7347 | == QLA_ERROR) |
| 7348 | ql4_printk(KERN_ERR, ha, "%s: Logout failed\n", |
| 7349 | __func__); |
| 7350 | |
| 7351 | qla4xxx_clear_ddb_entry(ha, ddb_entry->fw_ddb_index); |
| 7352 | /* |
| 7353 | * we have decremented the reference count of the driver |
| 7354 | * when we setup the session to have the driver unload |
| 7355 | * to be seamless without actually destroying the |
| 7356 | * session |
| 7357 | **/ |
| 7358 | try_module_get(qla4xxx_iscsi_transport.owner); |
| 7359 | iscsi_destroy_endpoint(ddb_entry->conn->ep); |
| 7360 | qla4xxx_free_ddb(ha, ddb_entry); |
| 7361 | iscsi_session_teardown(ddb_entry->sess); |
| 7362 | } |
| 7363 | } |
| 7364 | } |
Karen Higgins | 7eece5a | 2011-03-21 03:34:29 -0700 | [diff] [blame] | 7365 | /** |
Masanari Iida | 59e13d4 | 2012-04-25 00:24:16 +0900 | [diff] [blame] | 7366 | * qla4xxx_remove_adapter - callback function to remove adapter. |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 7367 | * @pci_dev: PCI device pointer |
| 7368 | **/ |
Greg Kroah-Hartman | 6f03979 | 2012-12-21 13:08:55 -0800 | [diff] [blame] | 7369 | static void qla4xxx_remove_adapter(struct pci_dev *pdev) |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 7370 | { |
| 7371 | struct scsi_qla_host *ha; |
| 7372 | |
Vikas Chaudhary | f8b0751 | 2012-09-20 07:35:08 -0400 | [diff] [blame] | 7373 | /* |
| 7374 | * If the PCI device is disabled then it means probe_adapter had |
| 7375 | * failed and resources already cleaned up on probe_adapter exit. |
| 7376 | */ |
| 7377 | if (!pci_is_enabled(pdev)) |
| 7378 | return; |
| 7379 | |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 7380 | ha = pci_get_drvdata(pdev); |
| 7381 | |
Vikas Chaudhary | ee996a6 | 2012-08-22 07:55:05 -0400 | [diff] [blame] | 7382 | if (is_qla40XX(ha)) |
Karen Higgins | 7eece5a | 2011-03-21 03:34:29 -0700 | [diff] [blame] | 7383 | qla4xxx_prevent_other_port_reinit(ha); |
David C Somayajulu | bee4fe8 | 2007-05-23 18:03:32 -0700 | [diff] [blame] | 7384 | |
Vikas Chaudhary | ed1086e | 2011-07-25 13:48:41 -0500 | [diff] [blame] | 7385 | /* destroy iface from sysfs */ |
| 7386 | qla4xxx_destroy_ifaces(ha); |
| 7387 | |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 7388 | if ((!ql4xdisablesysfsboot) && ha->boot_kset) |
Manish Rangankar | 2a991c2 | 2011-07-25 13:48:55 -0500 | [diff] [blame] | 7389 | iscsi_boot_destroy_kset(ha->boot_kset); |
| 7390 | |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 7391 | qla4xxx_destroy_fw_ddb_session(ha); |
Tej Parkash | 068237c8 | 2012-05-18 04:41:44 -0400 | [diff] [blame] | 7392 | qla4_8xxx_free_sysfs_attr(ha); |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 7393 | |
Adheer Chandravanshi | 1e9e2be | 2013-03-22 07:41:31 -0400 | [diff] [blame] | 7394 | qla4xxx_sysfs_ddb_remove(ha); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 7395 | scsi_remove_host(ha->host); |
| 7396 | |
| 7397 | qla4xxx_free_adapter(ha); |
| 7398 | |
| 7399 | scsi_host_put(ha->host); |
| 7400 | |
Lalit Chandivade | 2232be0 | 2010-07-30 14:38:47 +0530 | [diff] [blame] | 7401 | pci_disable_pcie_error_reporting(pdev); |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 7402 | pci_disable_device(pdev); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 7403 | pci_set_drvdata(pdev, NULL); |
| 7404 | } |
| 7405 | |
| 7406 | /** |
| 7407 | * qla4xxx_config_dma_addressing() - Configure OS DMA addressing method. |
| 7408 | * @ha: HA context |
| 7409 | * |
| 7410 | * At exit, the @ha's flags.enable_64bit_addressing set to indicated |
| 7411 | * supported addressing method. |
| 7412 | */ |
Adrian Bunk | 4797547 | 2007-04-26 00:35:16 -0700 | [diff] [blame] | 7413 | static void qla4xxx_config_dma_addressing(struct scsi_qla_host *ha) |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 7414 | { |
| 7415 | int retval; |
| 7416 | |
| 7417 | /* Update our PCI device dma_mask for full 64 bit mask */ |
Yang Hongyang | 6a35528 | 2009-04-06 19:01:13 -0700 | [diff] [blame] | 7418 | if (pci_set_dma_mask(ha->pdev, DMA_BIT_MASK(64)) == 0) { |
| 7419 | if (pci_set_consistent_dma_mask(ha->pdev, DMA_BIT_MASK(64))) { |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 7420 | dev_dbg(&ha->pdev->dev, |
| 7421 | "Failed to set 64 bit PCI consistent mask; " |
| 7422 | "using 32 bit.\n"); |
| 7423 | retval = pci_set_consistent_dma_mask(ha->pdev, |
Yang Hongyang | 284901a | 2009-04-06 19:01:15 -0700 | [diff] [blame] | 7424 | DMA_BIT_MASK(32)); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 7425 | } |
| 7426 | } else |
Yang Hongyang | 284901a | 2009-04-06 19:01:15 -0700 | [diff] [blame] | 7427 | retval = pci_set_dma_mask(ha->pdev, DMA_BIT_MASK(32)); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 7428 | } |
| 7429 | |
| 7430 | static int qla4xxx_slave_alloc(struct scsi_device *sdev) |
| 7431 | { |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 7432 | struct iscsi_cls_session *cls_sess; |
| 7433 | struct iscsi_session *sess; |
| 7434 | struct ddb_entry *ddb; |
Vikas Chaudhary | 8bb4033 | 2011-03-21 03:34:31 -0700 | [diff] [blame] | 7435 | int queue_depth = QL4_DEF_QDEPTH; |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 7436 | |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 7437 | cls_sess = starget_to_session(sdev->sdev_target); |
| 7438 | sess = cls_sess->dd_data; |
| 7439 | ddb = sess->dd_data; |
| 7440 | |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 7441 | sdev->hostdata = ddb; |
| 7442 | sdev->tagged_supported = 1; |
Vikas Chaudhary | 8bb4033 | 2011-03-21 03:34:31 -0700 | [diff] [blame] | 7443 | |
| 7444 | if (ql4xmaxqdepth != 0 && ql4xmaxqdepth <= 0xffffU) |
| 7445 | queue_depth = ql4xmaxqdepth; |
| 7446 | |
| 7447 | scsi_activate_tcq(sdev, queue_depth); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 7448 | return 0; |
| 7449 | } |
| 7450 | |
| 7451 | static int qla4xxx_slave_configure(struct scsi_device *sdev) |
| 7452 | { |
| 7453 | sdev->tagged_supported = 1; |
| 7454 | return 0; |
| 7455 | } |
| 7456 | |
| 7457 | static void qla4xxx_slave_destroy(struct scsi_device *sdev) |
| 7458 | { |
| 7459 | scsi_deactivate_tcq(sdev, 1); |
| 7460 | } |
| 7461 | |
Tej Parkash | f7b4aa6 | 2012-04-30 04:12:19 -0700 | [diff] [blame] | 7462 | static int qla4xxx_change_queue_depth(struct scsi_device *sdev, int qdepth, |
| 7463 | int reason) |
| 7464 | { |
| 7465 | if (!ql4xqfulltracking) |
| 7466 | return -EOPNOTSUPP; |
| 7467 | |
| 7468 | return iscsi_change_queue_depth(sdev, qdepth, reason); |
| 7469 | } |
| 7470 | |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 7471 | /** |
| 7472 | * qla4xxx_del_from_active_array - returns an active srb |
| 7473 | * @ha: Pointer to host adapter structure. |
Anand Gadiyar | fd589a8 | 2009-07-16 17:13:03 +0200 | [diff] [blame] | 7474 | * @index: index into the active_array |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 7475 | * |
| 7476 | * This routine removes and returns the srb at the specified index |
| 7477 | **/ |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 7478 | struct srb *qla4xxx_del_from_active_array(struct scsi_qla_host *ha, |
| 7479 | uint32_t index) |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 7480 | { |
| 7481 | struct srb *srb = NULL; |
Vikas Chaudhary | 5369887 | 2010-04-28 11:41:59 +0530 | [diff] [blame] | 7482 | struct scsi_cmnd *cmd = NULL; |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 7483 | |
Vikas Chaudhary | 5369887 | 2010-04-28 11:41:59 +0530 | [diff] [blame] | 7484 | cmd = scsi_host_find_tag(ha->host, index); |
| 7485 | if (!cmd) |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 7486 | return srb; |
| 7487 | |
Vikas Chaudhary | 5369887 | 2010-04-28 11:41:59 +0530 | [diff] [blame] | 7488 | srb = (struct srb *)CMD_SP(cmd); |
| 7489 | if (!srb) |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 7490 | return srb; |
| 7491 | |
| 7492 | /* update counters */ |
| 7493 | if (srb->flags & SRB_DMA_VALID) { |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 7494 | ha->iocb_cnt -= srb->iocb_cnt; |
| 7495 | if (srb->cmd) |
Vikas Chaudhary | 5369887 | 2010-04-28 11:41:59 +0530 | [diff] [blame] | 7496 | srb->cmd->host_scribble = |
| 7497 | (unsigned char *)(unsigned long) MAX_SRBS; |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 7498 | } |
| 7499 | return srb; |
| 7500 | } |
| 7501 | |
| 7502 | /** |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 7503 | * qla4xxx_eh_wait_on_command - waits for command to be returned by firmware |
Vikas Chaudhary | 09a0f71 | 2010-04-28 11:42:24 +0530 | [diff] [blame] | 7504 | * @ha: Pointer to host adapter structure. |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 7505 | * @cmd: Scsi Command to wait on. |
| 7506 | * |
| 7507 | * This routine waits for the command to be returned by the Firmware |
| 7508 | * for some max time. |
| 7509 | **/ |
| 7510 | static int qla4xxx_eh_wait_on_command(struct scsi_qla_host *ha, |
| 7511 | struct scsi_cmnd *cmd) |
| 7512 | { |
| 7513 | int done = 0; |
| 7514 | struct srb *rp; |
| 7515 | uint32_t max_wait_time = EH_WAIT_CMD_TOV; |
Lalit Chandivade | 2232be0 | 2010-07-30 14:38:47 +0530 | [diff] [blame] | 7516 | int ret = SUCCESS; |
| 7517 | |
| 7518 | /* Dont wait on command if PCI error is being handled |
| 7519 | * by PCI AER driver |
| 7520 | */ |
| 7521 | if (unlikely(pci_channel_offline(ha->pdev)) || |
| 7522 | (test_bit(AF_EEH_BUSY, &ha->flags))) { |
| 7523 | ql4_printk(KERN_WARNING, ha, "scsi%ld: Return from %s\n", |
| 7524 | ha->host_no, __func__); |
| 7525 | return ret; |
| 7526 | } |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 7527 | |
| 7528 | do { |
| 7529 | /* Checking to see if its returned to OS */ |
Vikas Chaudhary | 5369887 | 2010-04-28 11:41:59 +0530 | [diff] [blame] | 7530 | rp = (struct srb *) CMD_SP(cmd); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 7531 | if (rp == NULL) { |
| 7532 | done++; |
| 7533 | break; |
| 7534 | } |
| 7535 | |
| 7536 | msleep(2000); |
| 7537 | } while (max_wait_time--); |
| 7538 | |
| 7539 | return done; |
| 7540 | } |
| 7541 | |
| 7542 | /** |
| 7543 | * qla4xxx_wait_for_hba_online - waits for HBA to come online |
| 7544 | * @ha: Pointer to host adapter structure |
| 7545 | **/ |
| 7546 | static int qla4xxx_wait_for_hba_online(struct scsi_qla_host *ha) |
| 7547 | { |
| 7548 | unsigned long wait_online; |
| 7549 | |
Vikas Chaudhary | f581a3f | 2010-10-06 22:47:48 -0700 | [diff] [blame] | 7550 | wait_online = jiffies + (HBA_ONLINE_TOV * HZ); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 7551 | while (time_before(jiffies, wait_online)) { |
| 7552 | |
| 7553 | if (adapter_up(ha)) |
| 7554 | return QLA_SUCCESS; |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 7555 | |
| 7556 | msleep(2000); |
| 7557 | } |
| 7558 | |
| 7559 | return QLA_ERROR; |
| 7560 | } |
| 7561 | |
| 7562 | /** |
Mike Christie | ce54503 | 2008-02-29 18:25:20 -0600 | [diff] [blame] | 7563 | * qla4xxx_eh_wait_for_commands - wait for active cmds to finish. |
Anand Gadiyar | fd589a8 | 2009-07-16 17:13:03 +0200 | [diff] [blame] | 7564 | * @ha: pointer to HBA |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 7565 | * @t: target id |
| 7566 | * @l: lun id |
| 7567 | * |
| 7568 | * This function waits for all outstanding commands to a lun to complete. It |
| 7569 | * returns 0 if all pending commands are returned and 1 otherwise. |
| 7570 | **/ |
Mike Christie | ce54503 | 2008-02-29 18:25:20 -0600 | [diff] [blame] | 7571 | static int qla4xxx_eh_wait_for_commands(struct scsi_qla_host *ha, |
| 7572 | struct scsi_target *stgt, |
| 7573 | struct scsi_device *sdev) |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 7574 | { |
| 7575 | int cnt; |
| 7576 | int status = 0; |
| 7577 | struct scsi_cmnd *cmd; |
| 7578 | |
| 7579 | /* |
Mike Christie | ce54503 | 2008-02-29 18:25:20 -0600 | [diff] [blame] | 7580 | * Waiting for all commands for the designated target or dev |
| 7581 | * in the active array |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 7582 | */ |
| 7583 | for (cnt = 0; cnt < ha->host->can_queue; cnt++) { |
| 7584 | cmd = scsi_host_find_tag(ha->host, cnt); |
Mike Christie | ce54503 | 2008-02-29 18:25:20 -0600 | [diff] [blame] | 7585 | if (cmd && stgt == scsi_target(cmd->device) && |
| 7586 | (!sdev || sdev == cmd->device)) { |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 7587 | if (!qla4xxx_eh_wait_on_command(ha, cmd)) { |
| 7588 | status++; |
| 7589 | break; |
| 7590 | } |
| 7591 | } |
| 7592 | } |
| 7593 | return status; |
| 7594 | } |
| 7595 | |
| 7596 | /** |
Vikas Chaudhary | 09a0f71 | 2010-04-28 11:42:24 +0530 | [diff] [blame] | 7597 | * qla4xxx_eh_abort - callback for abort task. |
| 7598 | * @cmd: Pointer to Linux's SCSI command structure |
| 7599 | * |
| 7600 | * This routine is called by the Linux OS to abort the specified |
| 7601 | * command. |
| 7602 | **/ |
| 7603 | static int qla4xxx_eh_abort(struct scsi_cmnd *cmd) |
| 7604 | { |
| 7605 | struct scsi_qla_host *ha = to_qla_host(cmd->device->host); |
| 7606 | unsigned int id = cmd->device->id; |
| 7607 | unsigned int lun = cmd->device->lun; |
Mike Christie | 92b3e5b | 2010-10-06 22:51:17 -0700 | [diff] [blame] | 7608 | unsigned long flags; |
Vikas Chaudhary | 09a0f71 | 2010-04-28 11:42:24 +0530 | [diff] [blame] | 7609 | struct srb *srb = NULL; |
| 7610 | int ret = SUCCESS; |
| 7611 | int wait = 0; |
| 7612 | |
Vikas Chaudhary | c2660df | 2010-07-10 14:51:02 +0530 | [diff] [blame] | 7613 | ql4_printk(KERN_INFO, ha, |
Christoph Hellwig | 5cd049a | 2011-04-04 09:42:14 -0400 | [diff] [blame] | 7614 | "scsi%ld:%d:%d: Abort command issued cmd=%p\n", |
| 7615 | ha->host_no, id, lun, cmd); |
Vikas Chaudhary | 09a0f71 | 2010-04-28 11:42:24 +0530 | [diff] [blame] | 7616 | |
Mike Christie | 92b3e5b | 2010-10-06 22:51:17 -0700 | [diff] [blame] | 7617 | spin_lock_irqsave(&ha->hardware_lock, flags); |
Vikas Chaudhary | 09a0f71 | 2010-04-28 11:42:24 +0530 | [diff] [blame] | 7618 | srb = (struct srb *) CMD_SP(cmd); |
Mike Christie | 92b3e5b | 2010-10-06 22:51:17 -0700 | [diff] [blame] | 7619 | if (!srb) { |
| 7620 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
Vikas Chaudhary | 09a0f71 | 2010-04-28 11:42:24 +0530 | [diff] [blame] | 7621 | return SUCCESS; |
Mike Christie | 92b3e5b | 2010-10-06 22:51:17 -0700 | [diff] [blame] | 7622 | } |
Vikas Chaudhary | 09a0f71 | 2010-04-28 11:42:24 +0530 | [diff] [blame] | 7623 | kref_get(&srb->srb_ref); |
Mike Christie | 92b3e5b | 2010-10-06 22:51:17 -0700 | [diff] [blame] | 7624 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
Vikas Chaudhary | 09a0f71 | 2010-04-28 11:42:24 +0530 | [diff] [blame] | 7625 | |
| 7626 | if (qla4xxx_abort_task(ha, srb) != QLA_SUCCESS) { |
| 7627 | DEBUG3(printk("scsi%ld:%d:%d: Abort_task mbx failed.\n", |
| 7628 | ha->host_no, id, lun)); |
| 7629 | ret = FAILED; |
| 7630 | } else { |
| 7631 | DEBUG3(printk("scsi%ld:%d:%d: Abort_task mbx success.\n", |
| 7632 | ha->host_no, id, lun)); |
| 7633 | wait = 1; |
| 7634 | } |
| 7635 | |
| 7636 | kref_put(&srb->srb_ref, qla4xxx_srb_compl); |
| 7637 | |
| 7638 | /* Wait for command to complete */ |
| 7639 | if (wait) { |
| 7640 | if (!qla4xxx_eh_wait_on_command(ha, cmd)) { |
| 7641 | DEBUG2(printk("scsi%ld:%d:%d: Abort handler timed out\n", |
| 7642 | ha->host_no, id, lun)); |
| 7643 | ret = FAILED; |
| 7644 | } |
| 7645 | } |
| 7646 | |
Vikas Chaudhary | c2660df | 2010-07-10 14:51:02 +0530 | [diff] [blame] | 7647 | ql4_printk(KERN_INFO, ha, |
Vikas Chaudhary | 09a0f71 | 2010-04-28 11:42:24 +0530 | [diff] [blame] | 7648 | "scsi%ld:%d:%d: Abort command - %s\n", |
Lucas De Marchi | 25985ed | 2011-03-30 22:57:33 -0300 | [diff] [blame] | 7649 | ha->host_no, id, lun, (ret == SUCCESS) ? "succeeded" : "failed"); |
Vikas Chaudhary | 09a0f71 | 2010-04-28 11:42:24 +0530 | [diff] [blame] | 7650 | |
| 7651 | return ret; |
| 7652 | } |
| 7653 | |
| 7654 | /** |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 7655 | * qla4xxx_eh_device_reset - callback for target reset. |
| 7656 | * @cmd: Pointer to Linux's SCSI command structure |
| 7657 | * |
| 7658 | * This routine is called by the Linux OS to reset all luns on the |
| 7659 | * specified target. |
| 7660 | **/ |
| 7661 | static int qla4xxx_eh_device_reset(struct scsi_cmnd *cmd) |
| 7662 | { |
| 7663 | struct scsi_qla_host *ha = to_qla_host(cmd->device->host); |
| 7664 | struct ddb_entry *ddb_entry = cmd->device->hostdata; |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 7665 | int ret = FAILED, stat; |
| 7666 | |
Karen Higgins | 612f734 | 2009-07-15 15:03:01 -0500 | [diff] [blame] | 7667 | if (!ddb_entry) |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 7668 | return ret; |
| 7669 | |
Mike Christie | c01be6d | 2010-07-22 16:59:49 +0530 | [diff] [blame] | 7670 | ret = iscsi_block_scsi_eh(cmd); |
| 7671 | if (ret) |
| 7672 | return ret; |
| 7673 | ret = FAILED; |
| 7674 | |
Vikas Chaudhary | c2660df | 2010-07-10 14:51:02 +0530 | [diff] [blame] | 7675 | ql4_printk(KERN_INFO, ha, |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 7676 | "scsi%ld:%d:%d:%d: DEVICE RESET ISSUED.\n", ha->host_no, |
| 7677 | cmd->device->channel, cmd->device->id, cmd->device->lun); |
| 7678 | |
| 7679 | DEBUG2(printk(KERN_INFO |
| 7680 | "scsi%ld: DEVICE_RESET cmd=%p jiffies = 0x%lx, to=%x," |
| 7681 | "dpc_flags=%lx, status=%x allowed=%d\n", ha->host_no, |
Jens Axboe | 242f9dc | 2008-09-14 05:55:09 -0700 | [diff] [blame] | 7682 | cmd, jiffies, cmd->request->timeout / HZ, |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 7683 | ha->dpc_flags, cmd->result, cmd->allowed)); |
| 7684 | |
| 7685 | /* FIXME: wait for hba to go online */ |
| 7686 | stat = qla4xxx_reset_lun(ha, ddb_entry, cmd->device->lun); |
| 7687 | if (stat != QLA_SUCCESS) { |
Vikas Chaudhary | c2660df | 2010-07-10 14:51:02 +0530 | [diff] [blame] | 7688 | ql4_printk(KERN_INFO, ha, "DEVICE RESET FAILED. %d\n", stat); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 7689 | goto eh_dev_reset_done; |
| 7690 | } |
| 7691 | |
Mike Christie | ce54503 | 2008-02-29 18:25:20 -0600 | [diff] [blame] | 7692 | if (qla4xxx_eh_wait_for_commands(ha, scsi_target(cmd->device), |
| 7693 | cmd->device)) { |
Vikas Chaudhary | c2660df | 2010-07-10 14:51:02 +0530 | [diff] [blame] | 7694 | ql4_printk(KERN_INFO, ha, |
Mike Christie | ce54503 | 2008-02-29 18:25:20 -0600 | [diff] [blame] | 7695 | "DEVICE RESET FAILED - waiting for " |
| 7696 | "commands.\n"); |
| 7697 | goto eh_dev_reset_done; |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 7698 | } |
| 7699 | |
David C Somayajulu | 9d56291 | 2008-03-19 11:23:03 -0700 | [diff] [blame] | 7700 | /* Send marker. */ |
| 7701 | if (qla4xxx_send_marker_iocb(ha, ddb_entry, cmd->device->lun, |
| 7702 | MM_LUN_RESET) != QLA_SUCCESS) |
| 7703 | goto eh_dev_reset_done; |
| 7704 | |
Vikas Chaudhary | c2660df | 2010-07-10 14:51:02 +0530 | [diff] [blame] | 7705 | ql4_printk(KERN_INFO, ha, |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 7706 | "scsi(%ld:%d:%d:%d): DEVICE RESET SUCCEEDED.\n", |
| 7707 | ha->host_no, cmd->device->channel, cmd->device->id, |
| 7708 | cmd->device->lun); |
| 7709 | |
| 7710 | ret = SUCCESS; |
| 7711 | |
| 7712 | eh_dev_reset_done: |
| 7713 | |
| 7714 | return ret; |
| 7715 | } |
| 7716 | |
| 7717 | /** |
Mike Christie | ce54503 | 2008-02-29 18:25:20 -0600 | [diff] [blame] | 7718 | * qla4xxx_eh_target_reset - callback for target reset. |
| 7719 | * @cmd: Pointer to Linux's SCSI command structure |
| 7720 | * |
| 7721 | * This routine is called by the Linux OS to reset the target. |
| 7722 | **/ |
| 7723 | static int qla4xxx_eh_target_reset(struct scsi_cmnd *cmd) |
| 7724 | { |
| 7725 | struct scsi_qla_host *ha = to_qla_host(cmd->device->host); |
| 7726 | struct ddb_entry *ddb_entry = cmd->device->hostdata; |
Mike Christie | c01be6d | 2010-07-22 16:59:49 +0530 | [diff] [blame] | 7727 | int stat, ret; |
Mike Christie | ce54503 | 2008-02-29 18:25:20 -0600 | [diff] [blame] | 7728 | |
| 7729 | if (!ddb_entry) |
| 7730 | return FAILED; |
| 7731 | |
Mike Christie | c01be6d | 2010-07-22 16:59:49 +0530 | [diff] [blame] | 7732 | ret = iscsi_block_scsi_eh(cmd); |
| 7733 | if (ret) |
| 7734 | return ret; |
| 7735 | |
Mike Christie | ce54503 | 2008-02-29 18:25:20 -0600 | [diff] [blame] | 7736 | starget_printk(KERN_INFO, scsi_target(cmd->device), |
| 7737 | "WARM TARGET RESET ISSUED.\n"); |
| 7738 | |
| 7739 | DEBUG2(printk(KERN_INFO |
| 7740 | "scsi%ld: TARGET_DEVICE_RESET cmd=%p jiffies = 0x%lx, " |
| 7741 | "to=%x,dpc_flags=%lx, status=%x allowed=%d\n", |
Jens Axboe | 242f9dc | 2008-09-14 05:55:09 -0700 | [diff] [blame] | 7742 | ha->host_no, cmd, jiffies, cmd->request->timeout / HZ, |
Mike Christie | ce54503 | 2008-02-29 18:25:20 -0600 | [diff] [blame] | 7743 | ha->dpc_flags, cmd->result, cmd->allowed)); |
| 7744 | |
| 7745 | stat = qla4xxx_reset_target(ha, ddb_entry); |
| 7746 | if (stat != QLA_SUCCESS) { |
| 7747 | starget_printk(KERN_INFO, scsi_target(cmd->device), |
| 7748 | "WARM TARGET RESET FAILED.\n"); |
| 7749 | return FAILED; |
| 7750 | } |
| 7751 | |
Mike Christie | ce54503 | 2008-02-29 18:25:20 -0600 | [diff] [blame] | 7752 | if (qla4xxx_eh_wait_for_commands(ha, scsi_target(cmd->device), |
| 7753 | NULL)) { |
| 7754 | starget_printk(KERN_INFO, scsi_target(cmd->device), |
| 7755 | "WARM TARGET DEVICE RESET FAILED - " |
| 7756 | "waiting for commands.\n"); |
| 7757 | return FAILED; |
| 7758 | } |
| 7759 | |
David C Somayajulu | 9d56291 | 2008-03-19 11:23:03 -0700 | [diff] [blame] | 7760 | /* Send marker. */ |
| 7761 | if (qla4xxx_send_marker_iocb(ha, ddb_entry, cmd->device->lun, |
| 7762 | MM_TGT_WARM_RESET) != QLA_SUCCESS) { |
| 7763 | starget_printk(KERN_INFO, scsi_target(cmd->device), |
| 7764 | "WARM TARGET DEVICE RESET FAILED - " |
| 7765 | "marker iocb failed.\n"); |
| 7766 | return FAILED; |
| 7767 | } |
| 7768 | |
Mike Christie | ce54503 | 2008-02-29 18:25:20 -0600 | [diff] [blame] | 7769 | starget_printk(KERN_INFO, scsi_target(cmd->device), |
| 7770 | "WARM TARGET RESET SUCCEEDED.\n"); |
| 7771 | return SUCCESS; |
| 7772 | } |
| 7773 | |
| 7774 | /** |
Sarang Radke | 8a28896 | 2011-12-06 02:34:10 -0800 | [diff] [blame] | 7775 | * qla4xxx_is_eh_active - check if error handler is running |
| 7776 | * @shost: Pointer to SCSI Host struct |
| 7777 | * |
| 7778 | * This routine finds that if reset host is called in EH |
| 7779 | * scenario or from some application like sg_reset |
| 7780 | **/ |
| 7781 | static int qla4xxx_is_eh_active(struct Scsi_Host *shost) |
| 7782 | { |
| 7783 | if (shost->shost_state == SHOST_RECOVERY) |
| 7784 | return 1; |
| 7785 | return 0; |
| 7786 | } |
| 7787 | |
| 7788 | /** |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 7789 | * qla4xxx_eh_host_reset - kernel callback |
| 7790 | * @cmd: Pointer to Linux's SCSI command structure |
| 7791 | * |
| 7792 | * This routine is invoked by the Linux kernel to perform fatal error |
| 7793 | * recovery on the specified adapter. |
| 7794 | **/ |
| 7795 | static int qla4xxx_eh_host_reset(struct scsi_cmnd *cmd) |
| 7796 | { |
| 7797 | int return_status = FAILED; |
| 7798 | struct scsi_qla_host *ha; |
| 7799 | |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 7800 | ha = to_qla_host(cmd->device->host); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 7801 | |
Vikas Chaudhary | b37ca41 | 2013-08-16 07:03:02 -0400 | [diff] [blame] | 7802 | if ((is_qla8032(ha) || is_qla8042(ha)) && ql4xdontresethba) |
Vikas Chaudhary | 6e7b429 | 2012-08-22 07:55:08 -0400 | [diff] [blame] | 7803 | qla4_83xx_set_idc_dontreset(ha); |
| 7804 | |
| 7805 | /* |
Vikas Chaudhary | b37ca41 | 2013-08-16 07:03:02 -0400 | [diff] [blame] | 7806 | * For ISP8324 and ISP8042, if IDC_CTRL DONTRESET_BIT0 is set by other |
| 7807 | * protocol drivers, we should not set device_state to NEED_RESET |
Vikas Chaudhary | 6e7b429 | 2012-08-22 07:55:08 -0400 | [diff] [blame] | 7808 | */ |
| 7809 | if (ql4xdontresethba || |
Vikas Chaudhary | b37ca41 | 2013-08-16 07:03:02 -0400 | [diff] [blame] | 7810 | ((is_qla8032(ha) || is_qla8042(ha)) && |
| 7811 | qla4_83xx_idc_dontreset(ha))) { |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 7812 | DEBUG2(printk("scsi%ld: %s: Don't Reset HBA\n", |
| 7813 | ha->host_no, __func__)); |
Sarang Radke | 8a28896 | 2011-12-06 02:34:10 -0800 | [diff] [blame] | 7814 | |
| 7815 | /* Clear outstanding srb in queues */ |
| 7816 | if (qla4xxx_is_eh_active(cmd->device->host)) |
| 7817 | qla4xxx_abort_active_cmds(ha, DID_ABORT << 16); |
| 7818 | |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 7819 | return FAILED; |
| 7820 | } |
| 7821 | |
Vikas Chaudhary | c2660df | 2010-07-10 14:51:02 +0530 | [diff] [blame] | 7822 | ql4_printk(KERN_INFO, ha, |
Karen Higgins | dca05c4 | 2009-07-15 15:03:00 -0500 | [diff] [blame] | 7823 | "scsi(%ld:%d:%d:%d): HOST RESET ISSUED.\n", ha->host_no, |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 7824 | cmd->device->channel, cmd->device->id, cmd->device->lun); |
| 7825 | |
| 7826 | if (qla4xxx_wait_for_hba_online(ha) != QLA_SUCCESS) { |
| 7827 | DEBUG2(printk("scsi%ld:%d: %s: Unable to reset host. Adapter " |
| 7828 | "DEAD.\n", ha->host_no, cmd->device->channel, |
| 7829 | __func__)); |
| 7830 | |
| 7831 | return FAILED; |
| 7832 | } |
| 7833 | |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 7834 | if (!test_bit(DPC_RESET_HA, &ha->dpc_flags)) { |
Vikas Chaudhary | 6e7b429 | 2012-08-22 07:55:08 -0400 | [diff] [blame] | 7835 | if (is_qla80XX(ha)) |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 7836 | set_bit(DPC_RESET_HA_FW_CONTEXT, &ha->dpc_flags); |
| 7837 | else |
| 7838 | set_bit(DPC_RESET_HA, &ha->dpc_flags); |
| 7839 | } |
Mike Christie | 50a29ae | 2008-03-04 13:26:53 -0600 | [diff] [blame] | 7840 | |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 7841 | if (qla4xxx_recover_adapter(ha) == QLA_SUCCESS) |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 7842 | return_status = SUCCESS; |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 7843 | |
Vikas Chaudhary | c2660df | 2010-07-10 14:51:02 +0530 | [diff] [blame] | 7844 | ql4_printk(KERN_INFO, ha, "HOST RESET %s.\n", |
Lucas De Marchi | 25985ed | 2011-03-30 22:57:33 -0300 | [diff] [blame] | 7845 | return_status == FAILED ? "FAILED" : "SUCCEEDED"); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 7846 | |
| 7847 | return return_status; |
| 7848 | } |
| 7849 | |
Vikas Chaudhary | 95d3126 | 2011-08-12 02:51:29 -0700 | [diff] [blame] | 7850 | static int qla4xxx_context_reset(struct scsi_qla_host *ha) |
| 7851 | { |
| 7852 | uint32_t mbox_cmd[MBOX_REG_COUNT]; |
| 7853 | uint32_t mbox_sts[MBOX_REG_COUNT]; |
| 7854 | struct addr_ctrl_blk_def *acb = NULL; |
| 7855 | uint32_t acb_len = sizeof(struct addr_ctrl_blk_def); |
| 7856 | int rval = QLA_SUCCESS; |
| 7857 | dma_addr_t acb_dma; |
| 7858 | |
| 7859 | acb = dma_alloc_coherent(&ha->pdev->dev, |
| 7860 | sizeof(struct addr_ctrl_blk_def), |
| 7861 | &acb_dma, GFP_KERNEL); |
| 7862 | if (!acb) { |
| 7863 | ql4_printk(KERN_ERR, ha, "%s: Unable to alloc acb\n", |
| 7864 | __func__); |
| 7865 | rval = -ENOMEM; |
| 7866 | goto exit_port_reset; |
| 7867 | } |
| 7868 | |
| 7869 | memset(acb, 0, acb_len); |
| 7870 | |
| 7871 | rval = qla4xxx_get_acb(ha, acb_dma, PRIMARI_ACB, acb_len); |
| 7872 | if (rval != QLA_SUCCESS) { |
| 7873 | rval = -EIO; |
| 7874 | goto exit_free_acb; |
| 7875 | } |
| 7876 | |
| 7877 | rval = qla4xxx_disable_acb(ha); |
| 7878 | if (rval != QLA_SUCCESS) { |
| 7879 | rval = -EIO; |
| 7880 | goto exit_free_acb; |
| 7881 | } |
| 7882 | |
| 7883 | wait_for_completion_timeout(&ha->disable_acb_comp, |
| 7884 | DISABLE_ACB_TOV * HZ); |
| 7885 | |
| 7886 | rval = qla4xxx_set_acb(ha, &mbox_cmd[0], &mbox_sts[0], acb_dma); |
| 7887 | if (rval != QLA_SUCCESS) { |
| 7888 | rval = -EIO; |
| 7889 | goto exit_free_acb; |
| 7890 | } |
| 7891 | |
| 7892 | exit_free_acb: |
| 7893 | dma_free_coherent(&ha->pdev->dev, sizeof(struct addr_ctrl_blk_def), |
| 7894 | acb, acb_dma); |
| 7895 | exit_port_reset: |
| 7896 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s %s\n", __func__, |
| 7897 | rval == QLA_SUCCESS ? "SUCCEEDED" : "FAILED")); |
| 7898 | return rval; |
| 7899 | } |
| 7900 | |
| 7901 | static int qla4xxx_host_reset(struct Scsi_Host *shost, int reset_type) |
| 7902 | { |
| 7903 | struct scsi_qla_host *ha = to_qla_host(shost); |
| 7904 | int rval = QLA_SUCCESS; |
Vikas Chaudhary | ebd777d | 2013-03-07 05:43:09 -0500 | [diff] [blame] | 7905 | uint32_t idc_ctrl; |
Vikas Chaudhary | 95d3126 | 2011-08-12 02:51:29 -0700 | [diff] [blame] | 7906 | |
| 7907 | if (ql4xdontresethba) { |
| 7908 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Don't Reset HBA\n", |
| 7909 | __func__)); |
| 7910 | rval = -EPERM; |
| 7911 | goto exit_host_reset; |
| 7912 | } |
| 7913 | |
Vikas Chaudhary | 95d3126 | 2011-08-12 02:51:29 -0700 | [diff] [blame] | 7914 | if (test_bit(DPC_RESET_HA, &ha->dpc_flags)) |
| 7915 | goto recover_adapter; |
| 7916 | |
| 7917 | switch (reset_type) { |
| 7918 | case SCSI_ADAPTER_RESET: |
| 7919 | set_bit(DPC_RESET_HA, &ha->dpc_flags); |
| 7920 | break; |
| 7921 | case SCSI_FIRMWARE_RESET: |
| 7922 | if (!test_bit(DPC_RESET_HA, &ha->dpc_flags)) { |
Vikas Chaudhary | 6e7b429 | 2012-08-22 07:55:08 -0400 | [diff] [blame] | 7923 | if (is_qla80XX(ha)) |
Vikas Chaudhary | 95d3126 | 2011-08-12 02:51:29 -0700 | [diff] [blame] | 7924 | /* set firmware context reset */ |
| 7925 | set_bit(DPC_RESET_HA_FW_CONTEXT, |
| 7926 | &ha->dpc_flags); |
| 7927 | else { |
| 7928 | rval = qla4xxx_context_reset(ha); |
| 7929 | goto exit_host_reset; |
| 7930 | } |
| 7931 | } |
| 7932 | break; |
| 7933 | } |
| 7934 | |
| 7935 | recover_adapter: |
Vikas Chaudhary | b37ca41 | 2013-08-16 07:03:02 -0400 | [diff] [blame] | 7936 | /* For ISP8324 and ISP8042 set graceful reset bit in IDC_DRV_CTRL if |
Vikas Chaudhary | ebd777d | 2013-03-07 05:43:09 -0500 | [diff] [blame] | 7937 | * reset is issued by application */ |
Vikas Chaudhary | b37ca41 | 2013-08-16 07:03:02 -0400 | [diff] [blame] | 7938 | if ((is_qla8032(ha) || is_qla8042(ha)) && |
| 7939 | test_bit(DPC_RESET_HA, &ha->dpc_flags)) { |
Vikas Chaudhary | ebd777d | 2013-03-07 05:43:09 -0500 | [diff] [blame] | 7940 | idc_ctrl = qla4_83xx_rd_reg(ha, QLA83XX_IDC_DRV_CTRL); |
| 7941 | qla4_83xx_wr_reg(ha, QLA83XX_IDC_DRV_CTRL, |
| 7942 | (idc_ctrl | GRACEFUL_RESET_BIT1)); |
| 7943 | } |
| 7944 | |
Vikas Chaudhary | 95d3126 | 2011-08-12 02:51:29 -0700 | [diff] [blame] | 7945 | rval = qla4xxx_recover_adapter(ha); |
| 7946 | if (rval != QLA_SUCCESS) { |
| 7947 | DEBUG2(ql4_printk(KERN_INFO, ha, "%s: recover adapter fail\n", |
| 7948 | __func__)); |
| 7949 | rval = -EIO; |
| 7950 | } |
| 7951 | |
| 7952 | exit_host_reset: |
| 7953 | return rval; |
| 7954 | } |
| 7955 | |
Lalit Chandivade | 2232be0 | 2010-07-30 14:38:47 +0530 | [diff] [blame] | 7956 | /* PCI AER driver recovers from all correctable errors w/o |
| 7957 | * driver intervention. For uncorrectable errors PCI AER |
| 7958 | * driver calls the following device driver's callbacks |
| 7959 | * |
| 7960 | * - Fatal Errors - link_reset |
| 7961 | * - Non-Fatal Errors - driver's pci_error_detected() which |
| 7962 | * returns CAN_RECOVER, NEED_RESET or DISCONNECT. |
| 7963 | * |
| 7964 | * PCI AER driver calls |
| 7965 | * CAN_RECOVER - driver's pci_mmio_enabled(), mmio_enabled |
| 7966 | * returns RECOVERED or NEED_RESET if fw_hung |
| 7967 | * NEED_RESET - driver's slot_reset() |
| 7968 | * DISCONNECT - device is dead & cannot recover |
| 7969 | * RECOVERED - driver's pci_resume() |
| 7970 | */ |
| 7971 | static pci_ers_result_t |
| 7972 | qla4xxx_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state) |
| 7973 | { |
| 7974 | struct scsi_qla_host *ha = pci_get_drvdata(pdev); |
| 7975 | |
| 7976 | ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: error detected:state %x\n", |
| 7977 | ha->host_no, __func__, state); |
| 7978 | |
| 7979 | if (!is_aer_supported(ha)) |
| 7980 | return PCI_ERS_RESULT_NONE; |
| 7981 | |
| 7982 | switch (state) { |
| 7983 | case pci_channel_io_normal: |
| 7984 | clear_bit(AF_EEH_BUSY, &ha->flags); |
| 7985 | return PCI_ERS_RESULT_CAN_RECOVER; |
| 7986 | case pci_channel_io_frozen: |
| 7987 | set_bit(AF_EEH_BUSY, &ha->flags); |
| 7988 | qla4xxx_mailbox_premature_completion(ha); |
| 7989 | qla4xxx_free_irqs(ha); |
| 7990 | pci_disable_device(pdev); |
Vikas Chaudhary | 7b3595d | 2010-10-06 22:50:56 -0700 | [diff] [blame] | 7991 | /* Return back all IOs */ |
| 7992 | qla4xxx_abort_active_cmds(ha, DID_RESET << 16); |
Lalit Chandivade | 2232be0 | 2010-07-30 14:38:47 +0530 | [diff] [blame] | 7993 | return PCI_ERS_RESULT_NEED_RESET; |
| 7994 | case pci_channel_io_perm_failure: |
| 7995 | set_bit(AF_EEH_BUSY, &ha->flags); |
| 7996 | set_bit(AF_PCI_CHANNEL_IO_PERM_FAILURE, &ha->flags); |
| 7997 | qla4xxx_abort_active_cmds(ha, DID_NO_CONNECT << 16); |
| 7998 | return PCI_ERS_RESULT_DISCONNECT; |
| 7999 | } |
| 8000 | return PCI_ERS_RESULT_NEED_RESET; |
| 8001 | } |
| 8002 | |
| 8003 | /** |
| 8004 | * qla4xxx_pci_mmio_enabled() gets called if |
| 8005 | * qla4xxx_pci_error_detected() returns PCI_ERS_RESULT_CAN_RECOVER |
| 8006 | * and read/write to the device still works. |
| 8007 | **/ |
| 8008 | static pci_ers_result_t |
| 8009 | qla4xxx_pci_mmio_enabled(struct pci_dev *pdev) |
| 8010 | { |
| 8011 | struct scsi_qla_host *ha = pci_get_drvdata(pdev); |
| 8012 | |
| 8013 | if (!is_aer_supported(ha)) |
| 8014 | return PCI_ERS_RESULT_NONE; |
| 8015 | |
Vikas Chaudhary | 7b3595d | 2010-10-06 22:50:56 -0700 | [diff] [blame] | 8016 | return PCI_ERS_RESULT_RECOVERED; |
Lalit Chandivade | 2232be0 | 2010-07-30 14:38:47 +0530 | [diff] [blame] | 8017 | } |
| 8018 | |
Vikas Chaudhary | 7b3595d | 2010-10-06 22:50:56 -0700 | [diff] [blame] | 8019 | static uint32_t qla4_8xxx_error_recovery(struct scsi_qla_host *ha) |
Lalit Chandivade | 2232be0 | 2010-07-30 14:38:47 +0530 | [diff] [blame] | 8020 | { |
| 8021 | uint32_t rval = QLA_ERROR; |
| 8022 | int fn; |
| 8023 | struct pci_dev *other_pdev = NULL; |
| 8024 | |
| 8025 | ql4_printk(KERN_WARNING, ha, "scsi%ld: In %s\n", ha->host_no, __func__); |
| 8026 | |
| 8027 | set_bit(DPC_RESET_ACTIVE, &ha->dpc_flags); |
| 8028 | |
| 8029 | if (test_bit(AF_ONLINE, &ha->flags)) { |
| 8030 | clear_bit(AF_ONLINE, &ha->flags); |
Manish Rangankar | b3a271a | 2011-07-25 13:48:53 -0500 | [diff] [blame] | 8031 | clear_bit(AF_LINK_UP, &ha->flags); |
| 8032 | iscsi_host_for_each_session(ha->host, qla4xxx_fail_session); |
Lalit Chandivade | 2232be0 | 2010-07-30 14:38:47 +0530 | [diff] [blame] | 8033 | qla4xxx_process_aen(ha, FLUSH_DDB_CHANGED_AENS); |
Lalit Chandivade | 2232be0 | 2010-07-30 14:38:47 +0530 | [diff] [blame] | 8034 | } |
| 8035 | |
| 8036 | fn = PCI_FUNC(ha->pdev->devfn); |
| 8037 | while (fn > 0) { |
| 8038 | fn--; |
| 8039 | ql4_printk(KERN_INFO, ha, "scsi%ld: %s: Finding PCI device at " |
| 8040 | "func %x\n", ha->host_no, __func__, fn); |
| 8041 | /* Get the pci device given the domain, bus, |
| 8042 | * slot/function number */ |
| 8043 | other_pdev = |
| 8044 | pci_get_domain_bus_and_slot(pci_domain_nr(ha->pdev->bus), |
| 8045 | ha->pdev->bus->number, PCI_DEVFN(PCI_SLOT(ha->pdev->devfn), |
| 8046 | fn)); |
| 8047 | |
| 8048 | if (!other_pdev) |
| 8049 | continue; |
| 8050 | |
| 8051 | if (atomic_read(&other_pdev->enable_cnt)) { |
| 8052 | ql4_printk(KERN_INFO, ha, "scsi%ld: %s: Found PCI " |
| 8053 | "func in enabled state%x\n", ha->host_no, |
| 8054 | __func__, fn); |
| 8055 | pci_dev_put(other_pdev); |
| 8056 | break; |
| 8057 | } |
| 8058 | pci_dev_put(other_pdev); |
| 8059 | } |
| 8060 | |
| 8061 | /* The first function on the card, the reset owner will |
| 8062 | * start & initialize the firmware. The other functions |
| 8063 | * on the card will reset the firmware context |
| 8064 | */ |
| 8065 | if (!fn) { |
| 8066 | ql4_printk(KERN_INFO, ha, "scsi%ld: %s: devfn being reset " |
| 8067 | "0x%x is the owner\n", ha->host_no, __func__, |
| 8068 | ha->pdev->devfn); |
| 8069 | |
Vikas Chaudhary | 33693c7 | 2012-08-22 07:55:04 -0400 | [diff] [blame] | 8070 | ha->isp_ops->idc_lock(ha); |
| 8071 | qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DEV_STATE, |
| 8072 | QLA8XXX_DEV_COLD); |
Vikas Chaudhary | 33693c7 | 2012-08-22 07:55:04 -0400 | [diff] [blame] | 8073 | ha->isp_ops->idc_unlock(ha); |
Lalit Chandivade | 2232be0 | 2010-07-30 14:38:47 +0530 | [diff] [blame] | 8074 | |
Vikas Chaudhary | 39c9582 | 2012-09-20 07:35:05 -0400 | [diff] [blame] | 8075 | rval = qla4_8xxx_update_idc_reg(ha); |
| 8076 | if (rval == QLA_ERROR) { |
| 8077 | ql4_printk(KERN_INFO, ha, "scsi%ld: %s: HW State: FAILED\n", |
| 8078 | ha->host_no, __func__); |
| 8079 | ha->isp_ops->idc_lock(ha); |
| 8080 | qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DEV_STATE, |
| 8081 | QLA8XXX_DEV_FAILED); |
| 8082 | ha->isp_ops->idc_unlock(ha); |
| 8083 | goto exit_error_recovery; |
| 8084 | } |
Lalit Chandivade | 2232be0 | 2010-07-30 14:38:47 +0530 | [diff] [blame] | 8085 | |
Lalit Chandivade | 2232be0 | 2010-07-30 14:38:47 +0530 | [diff] [blame] | 8086 | clear_bit(AF_FW_RECOVERY, &ha->flags); |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 8087 | rval = qla4xxx_initialize_adapter(ha, RESET_ADAPTER); |
Lalit Chandivade | 2232be0 | 2010-07-30 14:38:47 +0530 | [diff] [blame] | 8088 | |
| 8089 | if (rval != QLA_SUCCESS) { |
| 8090 | ql4_printk(KERN_INFO, ha, "scsi%ld: %s: HW State: " |
| 8091 | "FAILED\n", ha->host_no, __func__); |
Poornima Vonti | 8276190 | 2012-09-20 07:35:04 -0400 | [diff] [blame] | 8092 | ha->isp_ops->idc_lock(ha); |
Lalit Chandivade | 2232be0 | 2010-07-30 14:38:47 +0530 | [diff] [blame] | 8093 | qla4_8xxx_clear_drv_active(ha); |
Vikas Chaudhary | 33693c7 | 2012-08-22 07:55:04 -0400 | [diff] [blame] | 8094 | qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DEV_STATE, |
| 8095 | QLA8XXX_DEV_FAILED); |
Poornima Vonti | 8276190 | 2012-09-20 07:35:04 -0400 | [diff] [blame] | 8096 | ha->isp_ops->idc_unlock(ha); |
Lalit Chandivade | 2232be0 | 2010-07-30 14:38:47 +0530 | [diff] [blame] | 8097 | } else { |
| 8098 | ql4_printk(KERN_INFO, ha, "scsi%ld: %s: HW State: " |
| 8099 | "READY\n", ha->host_no, __func__); |
Poornima Vonti | 8276190 | 2012-09-20 07:35:04 -0400 | [diff] [blame] | 8100 | ha->isp_ops->idc_lock(ha); |
Vikas Chaudhary | 33693c7 | 2012-08-22 07:55:04 -0400 | [diff] [blame] | 8101 | qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DEV_STATE, |
| 8102 | QLA8XXX_DEV_READY); |
Lalit Chandivade | 2232be0 | 2010-07-30 14:38:47 +0530 | [diff] [blame] | 8103 | /* Clear driver state register */ |
Vikas Chaudhary | 33693c7 | 2012-08-22 07:55:04 -0400 | [diff] [blame] | 8104 | qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DRV_STATE, 0); |
Lalit Chandivade | 2232be0 | 2010-07-30 14:38:47 +0530 | [diff] [blame] | 8105 | qla4_8xxx_set_drv_active(ha); |
Poornima Vonti | 8276190 | 2012-09-20 07:35:04 -0400 | [diff] [blame] | 8106 | ha->isp_ops->idc_unlock(ha); |
Poornima Vonti | 137257d | 2013-01-20 23:51:01 -0500 | [diff] [blame] | 8107 | ha->isp_ops->enable_intrs(ha); |
Lalit Chandivade | 2232be0 | 2010-07-30 14:38:47 +0530 | [diff] [blame] | 8108 | } |
Lalit Chandivade | 2232be0 | 2010-07-30 14:38:47 +0530 | [diff] [blame] | 8109 | } else { |
| 8110 | ql4_printk(KERN_INFO, ha, "scsi%ld: %s: devfn 0x%x is not " |
| 8111 | "the reset owner\n", ha->host_no, __func__, |
| 8112 | ha->pdev->devfn); |
Vikas Chaudhary | 33693c7 | 2012-08-22 07:55:04 -0400 | [diff] [blame] | 8113 | if ((qla4_8xxx_rd_direct(ha, QLA8XXX_CRB_DEV_STATE) == |
| 8114 | QLA8XXX_DEV_READY)) { |
Lalit Chandivade | 2232be0 | 2010-07-30 14:38:47 +0530 | [diff] [blame] | 8115 | clear_bit(AF_FW_RECOVERY, &ha->flags); |
Mike Christie | 1348373 | 2011-12-01 21:38:41 -0600 | [diff] [blame] | 8116 | rval = qla4xxx_initialize_adapter(ha, RESET_ADAPTER); |
Poornima Vonti | 137257d | 2013-01-20 23:51:01 -0500 | [diff] [blame] | 8117 | if (rval == QLA_SUCCESS) |
| 8118 | ha->isp_ops->enable_intrs(ha); |
| 8119 | |
Vikas Chaudhary | 33693c7 | 2012-08-22 07:55:04 -0400 | [diff] [blame] | 8120 | ha->isp_ops->idc_lock(ha); |
Lalit Chandivade | 2232be0 | 2010-07-30 14:38:47 +0530 | [diff] [blame] | 8121 | qla4_8xxx_set_drv_active(ha); |
Vikas Chaudhary | 33693c7 | 2012-08-22 07:55:04 -0400 | [diff] [blame] | 8122 | ha->isp_ops->idc_unlock(ha); |
Lalit Chandivade | 2232be0 | 2010-07-30 14:38:47 +0530 | [diff] [blame] | 8123 | } |
| 8124 | } |
Vikas Chaudhary | 39c9582 | 2012-09-20 07:35:05 -0400 | [diff] [blame] | 8125 | exit_error_recovery: |
Lalit Chandivade | 2232be0 | 2010-07-30 14:38:47 +0530 | [diff] [blame] | 8126 | clear_bit(DPC_RESET_ACTIVE, &ha->dpc_flags); |
| 8127 | return rval; |
| 8128 | } |
| 8129 | |
| 8130 | static pci_ers_result_t |
| 8131 | qla4xxx_pci_slot_reset(struct pci_dev *pdev) |
| 8132 | { |
| 8133 | pci_ers_result_t ret = PCI_ERS_RESULT_DISCONNECT; |
| 8134 | struct scsi_qla_host *ha = pci_get_drvdata(pdev); |
| 8135 | int rc; |
| 8136 | |
| 8137 | ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: slot_reset\n", |
| 8138 | ha->host_no, __func__); |
| 8139 | |
| 8140 | if (!is_aer_supported(ha)) |
| 8141 | return PCI_ERS_RESULT_NONE; |
| 8142 | |
| 8143 | /* Restore the saved state of PCIe device - |
| 8144 | * BAR registers, PCI Config space, PCIX, MSI, |
| 8145 | * IOV states |
| 8146 | */ |
| 8147 | pci_restore_state(pdev); |
| 8148 | |
| 8149 | /* pci_restore_state() clears the saved_state flag of the device |
| 8150 | * save restored state which resets saved_state flag |
| 8151 | */ |
| 8152 | pci_save_state(pdev); |
| 8153 | |
| 8154 | /* Initialize device or resume if in suspended state */ |
| 8155 | rc = pci_enable_device(pdev); |
| 8156 | if (rc) { |
Lucas De Marchi | 25985ed | 2011-03-30 22:57:33 -0300 | [diff] [blame] | 8157 | ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: Can't re-enable " |
Lalit Chandivade | 2232be0 | 2010-07-30 14:38:47 +0530 | [diff] [blame] | 8158 | "device after reset\n", ha->host_no, __func__); |
| 8159 | goto exit_slot_reset; |
| 8160 | } |
| 8161 | |
Vikas Chaudhary | 7b3595d | 2010-10-06 22:50:56 -0700 | [diff] [blame] | 8162 | ha->isp_ops->disable_intrs(ha); |
Lalit Chandivade | 2232be0 | 2010-07-30 14:38:47 +0530 | [diff] [blame] | 8163 | |
Vikas Chaudhary | 6e7b429 | 2012-08-22 07:55:08 -0400 | [diff] [blame] | 8164 | if (is_qla80XX(ha)) { |
Lalit Chandivade | 2232be0 | 2010-07-30 14:38:47 +0530 | [diff] [blame] | 8165 | if (qla4_8xxx_error_recovery(ha) == QLA_SUCCESS) { |
| 8166 | ret = PCI_ERS_RESULT_RECOVERED; |
| 8167 | goto exit_slot_reset; |
| 8168 | } else |
| 8169 | goto exit_slot_reset; |
| 8170 | } |
| 8171 | |
| 8172 | exit_slot_reset: |
| 8173 | ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: Return=%x\n" |
| 8174 | "device after reset\n", ha->host_no, __func__, ret); |
| 8175 | return ret; |
| 8176 | } |
| 8177 | |
| 8178 | static void |
| 8179 | qla4xxx_pci_resume(struct pci_dev *pdev) |
| 8180 | { |
| 8181 | struct scsi_qla_host *ha = pci_get_drvdata(pdev); |
| 8182 | int ret; |
| 8183 | |
| 8184 | ql4_printk(KERN_WARNING, ha, "scsi%ld: %s: pci_resume\n", |
| 8185 | ha->host_no, __func__); |
| 8186 | |
| 8187 | ret = qla4xxx_wait_for_hba_online(ha); |
| 8188 | if (ret != QLA_SUCCESS) { |
| 8189 | ql4_printk(KERN_ERR, ha, "scsi%ld: %s: the device failed to " |
| 8190 | "resume I/O from slot/link_reset\n", ha->host_no, |
| 8191 | __func__); |
| 8192 | } |
| 8193 | |
| 8194 | pci_cleanup_aer_uncorrect_error_status(pdev); |
| 8195 | clear_bit(AF_EEH_BUSY, &ha->flags); |
| 8196 | } |
| 8197 | |
Stephen Hemminger | a55b2d2 | 2012-09-07 09:33:16 -0700 | [diff] [blame] | 8198 | static const struct pci_error_handlers qla4xxx_err_handler = { |
Lalit Chandivade | 2232be0 | 2010-07-30 14:38:47 +0530 | [diff] [blame] | 8199 | .error_detected = qla4xxx_pci_error_detected, |
| 8200 | .mmio_enabled = qla4xxx_pci_mmio_enabled, |
| 8201 | .slot_reset = qla4xxx_pci_slot_reset, |
| 8202 | .resume = qla4xxx_pci_resume, |
| 8203 | }; |
| 8204 | |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 8205 | static struct pci_device_id qla4xxx_pci_tbl[] = { |
| 8206 | { |
| 8207 | .vendor = PCI_VENDOR_ID_QLOGIC, |
| 8208 | .device = PCI_DEVICE_ID_QLOGIC_ISP4010, |
| 8209 | .subvendor = PCI_ANY_ID, |
| 8210 | .subdevice = PCI_ANY_ID, |
| 8211 | }, |
| 8212 | { |
| 8213 | .vendor = PCI_VENDOR_ID_QLOGIC, |
| 8214 | .device = PCI_DEVICE_ID_QLOGIC_ISP4022, |
| 8215 | .subvendor = PCI_ANY_ID, |
| 8216 | .subdevice = PCI_ANY_ID, |
| 8217 | }, |
David C Somayajulu | d915058 | 2006-11-15 17:38:40 -0800 | [diff] [blame] | 8218 | { |
| 8219 | .vendor = PCI_VENDOR_ID_QLOGIC, |
| 8220 | .device = PCI_DEVICE_ID_QLOGIC_ISP4032, |
| 8221 | .subvendor = PCI_ANY_ID, |
| 8222 | .subdevice = PCI_ANY_ID, |
| 8223 | }, |
Vikas Chaudhary | f4f5df23 | 2010-07-28 15:53:44 +0530 | [diff] [blame] | 8224 | { |
| 8225 | .vendor = PCI_VENDOR_ID_QLOGIC, |
| 8226 | .device = PCI_DEVICE_ID_QLOGIC_ISP8022, |
| 8227 | .subvendor = PCI_ANY_ID, |
| 8228 | .subdevice = PCI_ANY_ID, |
| 8229 | }, |
Vikas Chaudhary | 6e7b429 | 2012-08-22 07:55:08 -0400 | [diff] [blame] | 8230 | { |
| 8231 | .vendor = PCI_VENDOR_ID_QLOGIC, |
| 8232 | .device = PCI_DEVICE_ID_QLOGIC_ISP8324, |
| 8233 | .subvendor = PCI_ANY_ID, |
| 8234 | .subdevice = PCI_ANY_ID, |
| 8235 | }, |
Vikas Chaudhary | b37ca41 | 2013-08-16 07:03:02 -0400 | [diff] [blame] | 8236 | { |
| 8237 | .vendor = PCI_VENDOR_ID_QLOGIC, |
| 8238 | .device = PCI_DEVICE_ID_QLOGIC_ISP8042, |
| 8239 | .subvendor = PCI_ANY_ID, |
| 8240 | .subdevice = PCI_ANY_ID, |
| 8241 | }, |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 8242 | {0, 0}, |
| 8243 | }; |
| 8244 | MODULE_DEVICE_TABLE(pci, qla4xxx_pci_tbl); |
| 8245 | |
Adrian Bunk | 4797547 | 2007-04-26 00:35:16 -0700 | [diff] [blame] | 8246 | static struct pci_driver qla4xxx_pci_driver = { |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 8247 | .name = DRIVER_NAME, |
| 8248 | .id_table = qla4xxx_pci_tbl, |
| 8249 | .probe = qla4xxx_probe_adapter, |
| 8250 | .remove = qla4xxx_remove_adapter, |
Lalit Chandivade | 2232be0 | 2010-07-30 14:38:47 +0530 | [diff] [blame] | 8251 | .err_handler = &qla4xxx_err_handler, |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 8252 | }; |
| 8253 | |
| 8254 | static int __init qla4xxx_module_init(void) |
| 8255 | { |
| 8256 | int ret; |
| 8257 | |
| 8258 | /* Allocate cache for SRBs. */ |
| 8259 | srb_cachep = kmem_cache_create("qla4xxx_srbs", sizeof(struct srb), 0, |
Paul Mundt | 20c2df8 | 2007-07-20 10:11:58 +0900 | [diff] [blame] | 8260 | SLAB_HWCACHE_ALIGN, NULL); |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 8261 | if (srb_cachep == NULL) { |
| 8262 | printk(KERN_ERR |
| 8263 | "%s: Unable to allocate SRB cache..." |
| 8264 | "Failing load!\n", DRIVER_NAME); |
| 8265 | ret = -ENOMEM; |
| 8266 | goto no_srp_cache; |
| 8267 | } |
| 8268 | |
| 8269 | /* Derive version string. */ |
| 8270 | strcpy(qla4xxx_version_str, QLA4XXX_DRIVER_VERSION); |
Andrew Vasquez | 11010fe | 2006-10-06 09:54:59 -0700 | [diff] [blame] | 8271 | if (ql4xextended_error_logging) |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 8272 | strcat(qla4xxx_version_str, "-debug"); |
| 8273 | |
| 8274 | qla4xxx_scsi_transport = |
| 8275 | iscsi_register_transport(&qla4xxx_iscsi_transport); |
| 8276 | if (!qla4xxx_scsi_transport){ |
| 8277 | ret = -ENODEV; |
| 8278 | goto release_srb_cache; |
| 8279 | } |
| 8280 | |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 8281 | ret = pci_register_driver(&qla4xxx_pci_driver); |
| 8282 | if (ret) |
| 8283 | goto unregister_transport; |
| 8284 | |
| 8285 | printk(KERN_INFO "QLogic iSCSI HBA Driver\n"); |
| 8286 | return 0; |
Doug Maxey | 5ae16db | 2006-10-05 23:50:07 -0500 | [diff] [blame] | 8287 | |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 8288 | unregister_transport: |
| 8289 | iscsi_unregister_transport(&qla4xxx_iscsi_transport); |
| 8290 | release_srb_cache: |
| 8291 | kmem_cache_destroy(srb_cachep); |
| 8292 | no_srp_cache: |
| 8293 | return ret; |
| 8294 | } |
| 8295 | |
| 8296 | static void __exit qla4xxx_module_exit(void) |
| 8297 | { |
David Somayajulu | afaf5a2 | 2006-09-19 10:28:00 -0700 | [diff] [blame] | 8298 | pci_unregister_driver(&qla4xxx_pci_driver); |
| 8299 | iscsi_unregister_transport(&qla4xxx_iscsi_transport); |
| 8300 | kmem_cache_destroy(srb_cachep); |
| 8301 | } |
| 8302 | |
| 8303 | module_init(qla4xxx_module_init); |
| 8304 | module_exit(qla4xxx_module_exit); |
| 8305 | |
| 8306 | MODULE_AUTHOR("QLogic Corporation"); |
| 8307 | MODULE_DESCRIPTION("QLogic iSCSI HBA Driver"); |
| 8308 | MODULE_LICENSE("GPL"); |
| 8309 | MODULE_VERSION(QLA4XXX_DRIVER_VERSION); |