Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
Andrew Vasquez | fa90c54 | 2005-10-27 11:10:08 -0700 | [diff] [blame] | 2 | * QLogic Fibre Channel HBA Driver |
| 3 | * Copyright (c) 2003-2005 QLogic Corporation |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4 | * |
Andrew Vasquez | fa90c54 | 2005-10-27 11:10:08 -0700 | [diff] [blame] | 5 | * See LICENSE.qla2xxx for copyright and licensing details. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6 | */ |
| 7 | #include "qla_def.h" |
| 8 | |
| 9 | #include <linux/moduleparam.h> |
| 10 | #include <linux/vmalloc.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 11 | #include <linux/delay.h> |
Christoph Hellwig | 39a1124 | 2006-02-14 18:46:22 +0100 | [diff] [blame] | 12 | #include <linux/kthread.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 13 | |
| 14 | #include <scsi/scsi_tcq.h> |
| 15 | #include <scsi/scsicam.h> |
| 16 | #include <scsi/scsi_transport.h> |
| 17 | #include <scsi/scsi_transport_fc.h> |
| 18 | |
| 19 | /* |
| 20 | * Driver version |
| 21 | */ |
| 22 | char qla2x00_version_str[40]; |
| 23 | |
| 24 | /* |
| 25 | * SRB allocation cache |
| 26 | */ |
Christoph Lameter | e18b890 | 2006-12-06 20:33:20 -0800 | [diff] [blame] | 27 | static struct kmem_cache *srb_cachep; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 28 | |
| 29 | /* |
| 30 | * Ioctl related information. |
| 31 | */ |
Seokmann Ju | 2c3dfe3 | 2007-07-05 13:16:51 -0700 | [diff] [blame] | 32 | int num_hosts; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 33 | int ql2xlogintimeout = 20; |
| 34 | module_param(ql2xlogintimeout, int, S_IRUGO|S_IRUSR); |
| 35 | MODULE_PARM_DESC(ql2xlogintimeout, |
| 36 | "Login timeout value in seconds."); |
| 37 | |
Andrew Vasquez | a7b6184 | 2007-05-07 07:42:59 -0700 | [diff] [blame] | 38 | int qlport_down_retry; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 39 | module_param(qlport_down_retry, int, S_IRUGO|S_IRUSR); |
| 40 | MODULE_PARM_DESC(qlport_down_retry, |
Jesper Juhl | 900d9f9 | 2006-06-30 02:33:07 -0700 | [diff] [blame] | 41 | "Maximum number of command retries to a port that returns " |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 42 | "a PORT-DOWN status."); |
| 43 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 44 | int ql2xplogiabsentdevice; |
| 45 | module_param(ql2xplogiabsentdevice, int, S_IRUGO|S_IWUSR); |
| 46 | MODULE_PARM_DESC(ql2xplogiabsentdevice, |
| 47 | "Option to enable PLOGI to devices that are not present after " |
Jesper Juhl | 900d9f9 | 2006-06-30 02:33:07 -0700 | [diff] [blame] | 48 | "a Fabric scan. This is needed for several broken switches. " |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 49 | "Default is 0 - no PLOGI. 1 - perfom PLOGI."); |
| 50 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 51 | int ql2xloginretrycount = 0; |
| 52 | module_param(ql2xloginretrycount, int, S_IRUGO|S_IRUSR); |
| 53 | MODULE_PARM_DESC(ql2xloginretrycount, |
| 54 | "Specify an alternate value for the NVRAM login retry count."); |
| 55 | |
Andrew Vasquez | a7a167b | 2006-06-23 16:10:29 -0700 | [diff] [blame] | 56 | int ql2xallocfwdump = 1; |
| 57 | module_param(ql2xallocfwdump, int, S_IRUGO|S_IRUSR); |
| 58 | MODULE_PARM_DESC(ql2xallocfwdump, |
| 59 | "Option to enable allocation of memory for a firmware dump " |
| 60 | "during HBA initialization. Memory allocation requirements " |
| 61 | "vary by ISP type. Default is 1 - allocate memory."); |
| 62 | |
Andrew Vasquez | 11010fe | 2006-10-06 09:54:59 -0700 | [diff] [blame] | 63 | int ql2xextended_error_logging; |
Andrew Vasquez | 27d9403 | 2007-03-12 10:41:30 -0700 | [diff] [blame] | 64 | module_param(ql2xextended_error_logging, int, S_IRUGO|S_IWUSR); |
Andrew Vasquez | 11010fe | 2006-10-06 09:54:59 -0700 | [diff] [blame] | 65 | MODULE_PARM_DESC(ql2xextended_error_logging, |
Andrew Vasquez | 0181944 | 2006-06-23 16:11:10 -0700 | [diff] [blame] | 66 | "Option to enable extended error logging, " |
| 67 | "Default is 0 - no logging. 1 - log errors."); |
| 68 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 69 | static void qla2x00_free_device(scsi_qla_host_t *); |
| 70 | |
| 71 | static void qla2x00_config_dma_addressing(scsi_qla_host_t *ha); |
| 72 | |
Andrew Vasquez | cca5335 | 2005-08-26 19:08:30 -0700 | [diff] [blame] | 73 | int ql2xfdmienable; |
| 74 | module_param(ql2xfdmienable, int, S_IRUGO|S_IRUSR); |
| 75 | MODULE_PARM_DESC(ql2xfdmienable, |
| 76 | "Enables FDMI registratons " |
| 77 | "Default is 0 - no FDMI. 1 - perfom FDMI."); |
| 78 | |
Andrew Vasquez | df7baa5 | 2006-10-13 09:33:39 -0700 | [diff] [blame] | 79 | #define MAX_Q_DEPTH 32 |
| 80 | static int ql2xmaxqdepth = MAX_Q_DEPTH; |
| 81 | module_param(ql2xmaxqdepth, int, S_IRUGO|S_IWUSR); |
| 82 | MODULE_PARM_DESC(ql2xmaxqdepth, |
| 83 | "Maximum queue depth to report for target devices."); |
| 84 | |
| 85 | int ql2xqfullrampup = 120; |
| 86 | module_param(ql2xqfullrampup, int, S_IRUGO|S_IWUSR); |
| 87 | MODULE_PARM_DESC(ql2xqfullrampup, |
| 88 | "Number of seconds to wait to begin to ramp-up the queue " |
| 89 | "depth for a device after a queue-full condition has been " |
| 90 | "detected. Default is 120 seconds."); |
| 91 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 92 | /* |
Andrew Vasquez | fa2a1ce | 2005-07-06 10:32:07 -0700 | [diff] [blame] | 93 | * SCSI host template entry points |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 94 | */ |
| 95 | static int qla2xxx_slave_configure(struct scsi_device * device); |
| f4f051e | 2005-04-17 15:02:26 -0500 | [diff] [blame] | 96 | static int qla2xxx_slave_alloc(struct scsi_device *); |
Andrew Vasquez | 1e99e33 | 2006-11-22 08:24:48 -0800 | [diff] [blame] | 97 | static int qla2xxx_scan_finished(struct Scsi_Host *, unsigned long time); |
| 98 | static void qla2xxx_scan_start(struct Scsi_Host *); |
| f4f051e | 2005-04-17 15:02:26 -0500 | [diff] [blame] | 99 | static void qla2xxx_slave_destroy(struct scsi_device *); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 100 | static int qla2x00_queuecommand(struct scsi_cmnd *cmd, |
| 101 | void (*fn)(struct scsi_cmnd *)); |
Andrew Vasquez | fca2970 | 2005-07-06 10:31:47 -0700 | [diff] [blame] | 102 | static int qla24xx_queuecommand(struct scsi_cmnd *cmd, |
| 103 | void (*fn)(struct scsi_cmnd *)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 104 | static int qla2xxx_eh_abort(struct scsi_cmnd *); |
| 105 | static int qla2xxx_eh_device_reset(struct scsi_cmnd *); |
| 106 | static int qla2xxx_eh_bus_reset(struct scsi_cmnd *); |
| 107 | static int qla2xxx_eh_host_reset(struct scsi_cmnd *); |
| 108 | static int qla2x00_loop_reset(scsi_qla_host_t *ha); |
| 109 | static int qla2x00_device_reset(scsi_qla_host_t *, fc_port_t *); |
| 110 | |
Andrew Vasquez | ce7e4af | 2005-08-26 19:09:30 -0700 | [diff] [blame] | 111 | static int qla2x00_change_queue_depth(struct scsi_device *, int); |
| 112 | static int qla2x00_change_queue_type(struct scsi_device *, int); |
| 113 | |
Seokmann Ju | 2c3dfe3 | 2007-07-05 13:16:51 -0700 | [diff] [blame] | 114 | struct scsi_host_template qla2x00_driver_template = { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 115 | .module = THIS_MODULE, |
Andrew Vasquez | cb63067 | 2006-05-17 15:09:45 -0700 | [diff] [blame] | 116 | .name = QLA2XXX_DRIVER_NAME, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 117 | .queuecommand = qla2x00_queuecommand, |
| 118 | |
| 119 | .eh_abort_handler = qla2xxx_eh_abort, |
| 120 | .eh_device_reset_handler = qla2xxx_eh_device_reset, |
| 121 | .eh_bus_reset_handler = qla2xxx_eh_bus_reset, |
| 122 | .eh_host_reset_handler = qla2xxx_eh_host_reset, |
| 123 | |
| 124 | .slave_configure = qla2xxx_slave_configure, |
| 125 | |
| f4f051e | 2005-04-17 15:02:26 -0500 | [diff] [blame] | 126 | .slave_alloc = qla2xxx_slave_alloc, |
| 127 | .slave_destroy = qla2xxx_slave_destroy, |
Andrew Vasquez | 1e99e33 | 2006-11-22 08:24:48 -0800 | [diff] [blame] | 128 | .scan_finished = qla2xxx_scan_finished, |
| 129 | .scan_start = qla2xxx_scan_start, |
Andrew Vasquez | ce7e4af | 2005-08-26 19:09:30 -0700 | [diff] [blame] | 130 | .change_queue_depth = qla2x00_change_queue_depth, |
| 131 | .change_queue_type = qla2x00_change_queue_type, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 132 | .this_id = -1, |
| 133 | .cmd_per_lun = 3, |
| 134 | .use_clustering = ENABLE_CLUSTERING, |
FUJITA Tomonori | 9cb83c7 | 2007-10-16 11:24:32 +0200 | [diff] [blame] | 135 | .use_sg_chaining = ENABLE_SG_CHAINING, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 136 | .sg_tablesize = SG_ALL, |
| 137 | |
| 138 | /* |
| 139 | * The RISC allows for each command to transfer (2^32-1) bytes of data, |
| 140 | * which equates to 0x800000 sectors. |
| 141 | */ |
| 142 | .max_sectors = 0xFFFF, |
Andrew Vasquez | afb046e | 2005-08-26 19:09:40 -0700 | [diff] [blame] | 143 | .shost_attrs = qla2x00_host_attrs, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 144 | }; |
| 145 | |
Seokmann Ju | 2c3dfe3 | 2007-07-05 13:16:51 -0700 | [diff] [blame] | 146 | struct scsi_host_template qla24xx_driver_template = { |
Andrew Vasquez | fca2970 | 2005-07-06 10:31:47 -0700 | [diff] [blame] | 147 | .module = THIS_MODULE, |
Andrew Vasquez | cb63067 | 2006-05-17 15:09:45 -0700 | [diff] [blame] | 148 | .name = QLA2XXX_DRIVER_NAME, |
Andrew Vasquez | fca2970 | 2005-07-06 10:31:47 -0700 | [diff] [blame] | 149 | .queuecommand = qla24xx_queuecommand, |
| 150 | |
| 151 | .eh_abort_handler = qla2xxx_eh_abort, |
| 152 | .eh_device_reset_handler = qla2xxx_eh_device_reset, |
| 153 | .eh_bus_reset_handler = qla2xxx_eh_bus_reset, |
| 154 | .eh_host_reset_handler = qla2xxx_eh_host_reset, |
| 155 | |
| 156 | .slave_configure = qla2xxx_slave_configure, |
| 157 | |
| 158 | .slave_alloc = qla2xxx_slave_alloc, |
| 159 | .slave_destroy = qla2xxx_slave_destroy, |
Andrew Vasquez | ed67708 | 2007-03-12 10:41:27 -0700 | [diff] [blame] | 160 | .scan_finished = qla2xxx_scan_finished, |
| 161 | .scan_start = qla2xxx_scan_start, |
Andrew Vasquez | ce7e4af | 2005-08-26 19:09:30 -0700 | [diff] [blame] | 162 | .change_queue_depth = qla2x00_change_queue_depth, |
| 163 | .change_queue_type = qla2x00_change_queue_type, |
Andrew Vasquez | fca2970 | 2005-07-06 10:31:47 -0700 | [diff] [blame] | 164 | .this_id = -1, |
| 165 | .cmd_per_lun = 3, |
| 166 | .use_clustering = ENABLE_CLUSTERING, |
FUJITA Tomonori | 9cb83c7 | 2007-10-16 11:24:32 +0200 | [diff] [blame] | 167 | .use_sg_chaining = ENABLE_SG_CHAINING, |
Andrew Vasquez | fca2970 | 2005-07-06 10:31:47 -0700 | [diff] [blame] | 168 | .sg_tablesize = SG_ALL, |
| 169 | |
| 170 | .max_sectors = 0xFFFF, |
Andrew Vasquez | afb046e | 2005-08-26 19:09:40 -0700 | [diff] [blame] | 171 | .shost_attrs = qla2x00_host_attrs, |
Andrew Vasquez | fca2970 | 2005-07-06 10:31:47 -0700 | [diff] [blame] | 172 | }; |
| 173 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 174 | static struct scsi_transport_template *qla2xxx_transport_template = NULL; |
Seokmann Ju | 2c3dfe3 | 2007-07-05 13:16:51 -0700 | [diff] [blame] | 175 | struct scsi_transport_template *qla2xxx_transport_vport_template = NULL; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 176 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 177 | /* TODO Convert to inlines |
| 178 | * |
| 179 | * Timer routines |
| 180 | */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 181 | |
Seokmann Ju | 2c3dfe3 | 2007-07-05 13:16:51 -0700 | [diff] [blame] | 182 | void qla2x00_timer(scsi_qla_host_t *); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 183 | |
Seokmann Ju | 2c3dfe3 | 2007-07-05 13:16:51 -0700 | [diff] [blame] | 184 | __inline__ void qla2x00_start_timer(scsi_qla_host_t *, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 185 | void *, unsigned long); |
| 186 | static __inline__ void qla2x00_restart_timer(scsi_qla_host_t *, unsigned long); |
Seokmann Ju | 2c3dfe3 | 2007-07-05 13:16:51 -0700 | [diff] [blame] | 187 | __inline__ void qla2x00_stop_timer(scsi_qla_host_t *); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 188 | |
Seokmann Ju | 2c3dfe3 | 2007-07-05 13:16:51 -0700 | [diff] [blame] | 189 | __inline__ void |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 190 | qla2x00_start_timer(scsi_qla_host_t *ha, void *func, unsigned long interval) |
| 191 | { |
| 192 | init_timer(&ha->timer); |
| 193 | ha->timer.expires = jiffies + interval * HZ; |
| 194 | ha->timer.data = (unsigned long)ha; |
| 195 | ha->timer.function = (void (*)(unsigned long))func; |
| 196 | add_timer(&ha->timer); |
| 197 | ha->timer_active = 1; |
| 198 | } |
| 199 | |
| 200 | static inline void |
| 201 | qla2x00_restart_timer(scsi_qla_host_t *ha, unsigned long interval) |
| 202 | { |
| 203 | mod_timer(&ha->timer, jiffies + interval * HZ); |
| 204 | } |
| 205 | |
Seokmann Ju | 2c3dfe3 | 2007-07-05 13:16:51 -0700 | [diff] [blame] | 206 | __inline__ void |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 207 | qla2x00_stop_timer(scsi_qla_host_t *ha) |
| 208 | { |
| 209 | del_timer_sync(&ha->timer); |
| 210 | ha->timer_active = 0; |
| 211 | } |
| 212 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 213 | static int qla2x00_do_dpc(void *data); |
| 214 | |
| 215 | static void qla2x00_rst_aen(scsi_qla_host_t *); |
| 216 | |
Seokmann Ju | 2c3dfe3 | 2007-07-05 13:16:51 -0700 | [diff] [blame] | 217 | uint8_t qla2x00_mem_alloc(scsi_qla_host_t *); |
| 218 | void qla2x00_mem_free(scsi_qla_host_t *ha); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 219 | static int qla2x00_allocate_sp_pool( scsi_qla_host_t *ha); |
| 220 | static void qla2x00_free_sp_pool(scsi_qla_host_t *ha); |
| f4f051e | 2005-04-17 15:02:26 -0500 | [diff] [blame] | 221 | static void qla2x00_sp_free_dma(scsi_qla_host_t *, srb_t *); |
| 222 | void qla2x00_sp_compl(scsi_qla_host_t *ha, srb_t *); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 223 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 224 | /* -------------------------------------------------------------------------- */ |
| 225 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 226 | static char * |
Andrew Vasquez | abbd887 | 2005-07-06 10:30:05 -0700 | [diff] [blame] | 227 | qla2x00_pci_info_str(struct scsi_qla_host *ha, char *str) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 228 | { |
| 229 | static char *pci_bus_modes[] = { |
| 230 | "33", "66", "100", "133", |
| 231 | }; |
| 232 | uint16_t pci_bus; |
| 233 | |
| 234 | strcpy(str, "PCI"); |
| 235 | pci_bus = (ha->pci_attr & (BIT_9 | BIT_10)) >> 9; |
| 236 | if (pci_bus) { |
| 237 | strcat(str, "-X ("); |
| 238 | strcat(str, pci_bus_modes[pci_bus]); |
| 239 | } else { |
| 240 | pci_bus = (ha->pci_attr & BIT_8) >> 8; |
| 241 | strcat(str, " ("); |
| 242 | strcat(str, pci_bus_modes[pci_bus]); |
| 243 | } |
| 244 | strcat(str, " MHz)"); |
| 245 | |
| 246 | return (str); |
| 247 | } |
| 248 | |
Andrew Vasquez | fca2970 | 2005-07-06 10:31:47 -0700 | [diff] [blame] | 249 | static char * |
| 250 | qla24xx_pci_info_str(struct scsi_qla_host *ha, char *str) |
| 251 | { |
| 252 | static char *pci_bus_modes[] = { "33", "66", "100", "133", }; |
| 253 | uint32_t pci_bus; |
| 254 | int pcie_reg; |
| 255 | |
| 256 | pcie_reg = pci_find_capability(ha->pdev, PCI_CAP_ID_EXP); |
| 257 | if (pcie_reg) { |
| 258 | char lwstr[6]; |
| 259 | uint16_t pcie_lstat, lspeed, lwidth; |
| 260 | |
| 261 | pcie_reg += 0x12; |
| 262 | pci_read_config_word(ha->pdev, pcie_reg, &pcie_lstat); |
| 263 | lspeed = pcie_lstat & (BIT_0 | BIT_1 | BIT_2 | BIT_3); |
| 264 | lwidth = (pcie_lstat & |
| 265 | (BIT_4 | BIT_5 | BIT_6 | BIT_7 | BIT_8 | BIT_9)) >> 4; |
| 266 | |
| 267 | strcpy(str, "PCIe ("); |
| 268 | if (lspeed == 1) |
| 269 | strcat(str, "2.5Gb/s "); |
Andrew Vasquez | c3a2f0d | 2007-07-19 20:37:34 -0700 | [diff] [blame] | 270 | else if (lspeed == 2) |
| 271 | strcat(str, "5.0Gb/s "); |
Andrew Vasquez | fca2970 | 2005-07-06 10:31:47 -0700 | [diff] [blame] | 272 | else |
| 273 | strcat(str, "<unknown> "); |
| 274 | snprintf(lwstr, sizeof(lwstr), "x%d)", lwidth); |
| 275 | strcat(str, lwstr); |
| 276 | |
| 277 | return str; |
| 278 | } |
| 279 | |
| 280 | strcpy(str, "PCI"); |
| 281 | pci_bus = (ha->pci_attr & CSRX_PCIX_BUS_MODE_MASK) >> 8; |
| 282 | if (pci_bus == 0 || pci_bus == 8) { |
| 283 | strcat(str, " ("); |
| 284 | strcat(str, pci_bus_modes[pci_bus >> 3]); |
| 285 | } else { |
| 286 | strcat(str, "-X "); |
| 287 | if (pci_bus & BIT_2) |
| 288 | strcat(str, "Mode 2"); |
| 289 | else |
| 290 | strcat(str, "Mode 1"); |
| 291 | strcat(str, " ("); |
| 292 | strcat(str, pci_bus_modes[pci_bus & ~BIT_2]); |
| 293 | } |
| 294 | strcat(str, " MHz)"); |
| 295 | |
| 296 | return str; |
| 297 | } |
| 298 | |
Adrian Bunk | e5f82ab | 2006-11-08 19:55:50 -0800 | [diff] [blame] | 299 | static char * |
Andrew Vasquez | abbd887 | 2005-07-06 10:30:05 -0700 | [diff] [blame] | 300 | qla2x00_fw_version_str(struct scsi_qla_host *ha, char *str) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 301 | { |
| 302 | char un_str[10]; |
Andrew Vasquez | fa2a1ce | 2005-07-06 10:32:07 -0700 | [diff] [blame] | 303 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 304 | sprintf(str, "%d.%02d.%02d ", ha->fw_major_version, |
| 305 | ha->fw_minor_version, |
| 306 | ha->fw_subminor_version); |
| 307 | |
| 308 | if (ha->fw_attributes & BIT_9) { |
| 309 | strcat(str, "FLX"); |
| 310 | return (str); |
| 311 | } |
| 312 | |
| 313 | switch (ha->fw_attributes & 0xFF) { |
| 314 | case 0x7: |
| 315 | strcat(str, "EF"); |
| 316 | break; |
| 317 | case 0x17: |
| 318 | strcat(str, "TP"); |
| 319 | break; |
| 320 | case 0x37: |
| 321 | strcat(str, "IP"); |
| 322 | break; |
| 323 | case 0x77: |
| 324 | strcat(str, "VI"); |
| 325 | break; |
| 326 | default: |
| 327 | sprintf(un_str, "(%x)", ha->fw_attributes); |
| 328 | strcat(str, un_str); |
| 329 | break; |
| 330 | } |
| 331 | if (ha->fw_attributes & 0x100) |
| 332 | strcat(str, "X"); |
| 333 | |
| 334 | return (str); |
| 335 | } |
| 336 | |
Adrian Bunk | e5f82ab | 2006-11-08 19:55:50 -0800 | [diff] [blame] | 337 | static char * |
Andrew Vasquez | fca2970 | 2005-07-06 10:31:47 -0700 | [diff] [blame] | 338 | qla24xx_fw_version_str(struct scsi_qla_host *ha, char *str) |
| 339 | { |
Andrew Vasquez | f0883ac | 2005-07-08 17:58:43 -0700 | [diff] [blame] | 340 | sprintf(str, "%d.%02d.%02d ", ha->fw_major_version, |
| 341 | ha->fw_minor_version, |
| 342 | ha->fw_subminor_version); |
| 343 | |
Andrew Vasquez | fca2970 | 2005-07-06 10:31:47 -0700 | [diff] [blame] | 344 | if (ha->fw_attributes & BIT_0) |
| 345 | strcat(str, "[Class 2] "); |
| 346 | if (ha->fw_attributes & BIT_1) |
| 347 | strcat(str, "[IP] "); |
| 348 | if (ha->fw_attributes & BIT_2) |
| 349 | strcat(str, "[Multi-ID] "); |
Andrew Vasquez | c3a2f0d | 2007-07-19 20:37:34 -0700 | [diff] [blame] | 350 | if (ha->fw_attributes & BIT_3) |
| 351 | strcat(str, "[SB-2] "); |
| 352 | if (ha->fw_attributes & BIT_4) |
| 353 | strcat(str, "[T10 CRC] "); |
| 354 | if (ha->fw_attributes & BIT_5) |
| 355 | strcat(str, "[VI] "); |
Andrew Vasquez | fca2970 | 2005-07-06 10:31:47 -0700 | [diff] [blame] | 356 | if (ha->fw_attributes & BIT_13) |
| 357 | strcat(str, "[Experimental]"); |
| 358 | return str; |
Andrew Vasquez | fca2970 | 2005-07-06 10:31:47 -0700 | [diff] [blame] | 359 | } |
| 360 | |
| 361 | static inline srb_t * |
| 362 | qla2x00_get_new_sp(scsi_qla_host_t *ha, fc_port_t *fcport, |
| 363 | struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *)) |
| 364 | { |
| 365 | srb_t *sp; |
| 366 | |
| 367 | sp = mempool_alloc(ha->srb_mempool, GFP_ATOMIC); |
| 368 | if (!sp) |
| 369 | return sp; |
| 370 | |
Andrew Vasquez | fca2970 | 2005-07-06 10:31:47 -0700 | [diff] [blame] | 371 | sp->ha = ha; |
| 372 | sp->fcport = fcport; |
| 373 | sp->cmd = cmd; |
| 374 | sp->flags = 0; |
| 375 | CMD_SP(cmd) = (void *)sp; |
| 376 | cmd->scsi_done = done; |
| 377 | |
| 378 | return sp; |
| 379 | } |
| 380 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 381 | static int |
| f4f051e | 2005-04-17 15:02:26 -0500 | [diff] [blame] | 382 | qla2x00_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 383 | { |
Andrew Vasquez | f363b94 | 2007-09-20 14:07:45 -0700 | [diff] [blame] | 384 | scsi_qla_host_t *ha = shost_priv(cmd->device->host); |
| bdf7962 | 2005-04-17 15:06:53 -0500 | [diff] [blame] | 385 | fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata; |
James.Smart@Emulex.Com | 19a7b4a | 2005-10-18 12:03:35 -0400 | [diff] [blame] | 386 | struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device)); |
| f4f051e | 2005-04-17 15:02:26 -0500 | [diff] [blame] | 387 | srb_t *sp; |
| 388 | int rval; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 389 | |
Seokmann Ju | 14e660e | 2007-09-20 14:07:36 -0700 | [diff] [blame] | 390 | if (unlikely(pci_channel_offline(ha->pdev))) { |
| 391 | cmd->result = DID_REQUEUE << 16; |
| 392 | goto qc_fail_command; |
| 393 | } |
| 394 | |
James.Smart@Emulex.Com | 19a7b4a | 2005-10-18 12:03:35 -0400 | [diff] [blame] | 395 | rval = fc_remote_port_chkready(rport); |
| 396 | if (rval) { |
| 397 | cmd->result = rval; |
| f4f051e | 2005-04-17 15:02:26 -0500 | [diff] [blame] | 398 | goto qc_fail_command; |
| 399 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 400 | |
andrew.vasquez@qlogic.com | 387f96b | 2006-02-07 08:45:45 -0800 | [diff] [blame] | 401 | /* Close window on fcport/rport state-transitioning. */ |
| 402 | if (!*(fc_port_t **)rport->dd_data) { |
| 403 | cmd->result = DID_IMM_RETRY << 16; |
| 404 | goto qc_fail_command; |
| 405 | } |
| 406 | |
| f4f051e | 2005-04-17 15:02:26 -0500 | [diff] [blame] | 407 | if (atomic_read(&fcport->state) != FCS_ONLINE) { |
| 408 | if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD || |
| 409 | atomic_read(&ha->loop_state) == LOOP_DEAD) { |
| 410 | cmd->result = DID_NO_CONNECT << 16; |
| 411 | goto qc_fail_command; |
| 412 | } |
| 413 | goto qc_host_busy; |
| 414 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 415 | |
| 416 | spin_unlock_irq(ha->host->host_lock); |
| 417 | |
Andrew Vasquez | fca2970 | 2005-07-06 10:31:47 -0700 | [diff] [blame] | 418 | sp = qla2x00_get_new_sp(ha, fcport, cmd, done); |
| 419 | if (!sp) |
| f4f051e | 2005-04-17 15:02:26 -0500 | [diff] [blame] | 420 | goto qc_host_busy_lock; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 421 | |
| f4f051e | 2005-04-17 15:02:26 -0500 | [diff] [blame] | 422 | rval = qla2x00_start_scsi(sp); |
| 423 | if (rval != QLA_SUCCESS) |
| 424 | goto qc_host_busy_free_sp; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 425 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 426 | spin_lock_irq(ha->host->host_lock); |
| 427 | |
| f4f051e | 2005-04-17 15:02:26 -0500 | [diff] [blame] | 428 | return 0; |
| 429 | |
| 430 | qc_host_busy_free_sp: |
| 431 | qla2x00_sp_free_dma(ha, sp); |
| f4f051e | 2005-04-17 15:02:26 -0500 | [diff] [blame] | 432 | mempool_free(sp, ha->srb_mempool); |
| 433 | |
| 434 | qc_host_busy_lock: |
| 435 | spin_lock_irq(ha->host->host_lock); |
| 436 | |
| 437 | qc_host_busy: |
| 438 | return SCSI_MLQUEUE_HOST_BUSY; |
| 439 | |
| 440 | qc_fail_command: |
| 441 | done(cmd); |
| 442 | |
| 443 | return 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 444 | } |
| 445 | |
Andrew Vasquez | fca2970 | 2005-07-06 10:31:47 -0700 | [diff] [blame] | 446 | |
| 447 | static int |
| 448 | qla24xx_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *)) |
| 449 | { |
Andrew Vasquez | f363b94 | 2007-09-20 14:07:45 -0700 | [diff] [blame] | 450 | scsi_qla_host_t *ha = shost_priv(cmd->device->host); |
Andrew Vasquez | fca2970 | 2005-07-06 10:31:47 -0700 | [diff] [blame] | 451 | fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata; |
James.Smart@Emulex.Com | 19a7b4a | 2005-10-18 12:03:35 -0400 | [diff] [blame] | 452 | struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device)); |
Andrew Vasquez | fca2970 | 2005-07-06 10:31:47 -0700 | [diff] [blame] | 453 | srb_t *sp; |
| 454 | int rval; |
Seokmann Ju | 2c3dfe3 | 2007-07-05 13:16:51 -0700 | [diff] [blame] | 455 | scsi_qla_host_t *pha = to_qla_parent(ha); |
Andrew Vasquez | fca2970 | 2005-07-06 10:31:47 -0700 | [diff] [blame] | 456 | |
Seokmann Ju | 14e660e | 2007-09-20 14:07:36 -0700 | [diff] [blame] | 457 | if (unlikely(pci_channel_offline(ha->pdev))) { |
| 458 | cmd->result = DID_REQUEUE << 16; |
| 459 | goto qc24_fail_command; |
| 460 | } |
| 461 | |
James.Smart@Emulex.Com | 19a7b4a | 2005-10-18 12:03:35 -0400 | [diff] [blame] | 462 | rval = fc_remote_port_chkready(rport); |
| 463 | if (rval) { |
| 464 | cmd->result = rval; |
Andrew Vasquez | fca2970 | 2005-07-06 10:31:47 -0700 | [diff] [blame] | 465 | goto qc24_fail_command; |
| 466 | } |
| 467 | |
andrew.vasquez@qlogic.com | 387f96b | 2006-02-07 08:45:45 -0800 | [diff] [blame] | 468 | /* Close window on fcport/rport state-transitioning. */ |
| 469 | if (!*(fc_port_t **)rport->dd_data) { |
| 470 | cmd->result = DID_IMM_RETRY << 16; |
| 471 | goto qc24_fail_command; |
| 472 | } |
| 473 | |
Andrew Vasquez | fca2970 | 2005-07-06 10:31:47 -0700 | [diff] [blame] | 474 | if (atomic_read(&fcport->state) != FCS_ONLINE) { |
| 475 | if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD || |
Seokmann Ju | 2c3dfe3 | 2007-07-05 13:16:51 -0700 | [diff] [blame] | 476 | atomic_read(&pha->loop_state) == LOOP_DEAD) { |
Andrew Vasquez | fca2970 | 2005-07-06 10:31:47 -0700 | [diff] [blame] | 477 | cmd->result = DID_NO_CONNECT << 16; |
| 478 | goto qc24_fail_command; |
| 479 | } |
| 480 | goto qc24_host_busy; |
| 481 | } |
| 482 | |
| 483 | spin_unlock_irq(ha->host->host_lock); |
| 484 | |
Seokmann Ju | 2c3dfe3 | 2007-07-05 13:16:51 -0700 | [diff] [blame] | 485 | sp = qla2x00_get_new_sp(pha, fcport, cmd, done); |
Andrew Vasquez | fca2970 | 2005-07-06 10:31:47 -0700 | [diff] [blame] | 486 | if (!sp) |
| 487 | goto qc24_host_busy_lock; |
| 488 | |
| 489 | rval = qla24xx_start_scsi(sp); |
| 490 | if (rval != QLA_SUCCESS) |
| 491 | goto qc24_host_busy_free_sp; |
| 492 | |
| 493 | spin_lock_irq(ha->host->host_lock); |
| 494 | |
| 495 | return 0; |
| 496 | |
| 497 | qc24_host_busy_free_sp: |
Seokmann Ju | 2c3dfe3 | 2007-07-05 13:16:51 -0700 | [diff] [blame] | 498 | qla2x00_sp_free_dma(pha, sp); |
| 499 | mempool_free(sp, pha->srb_mempool); |
Andrew Vasquez | fca2970 | 2005-07-06 10:31:47 -0700 | [diff] [blame] | 500 | |
| 501 | qc24_host_busy_lock: |
| 502 | spin_lock_irq(ha->host->host_lock); |
| 503 | |
| 504 | qc24_host_busy: |
| 505 | return SCSI_MLQUEUE_HOST_BUSY; |
| 506 | |
| 507 | qc24_fail_command: |
| 508 | done(cmd); |
| 509 | |
| 510 | return 0; |
| 511 | } |
| 512 | |
| 513 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 514 | /* |
| 515 | * qla2x00_eh_wait_on_command |
| 516 | * Waits for the command to be returned by the Firmware for some |
| 517 | * max time. |
| 518 | * |
| 519 | * Input: |
| 520 | * ha = actual ha whose done queue will contain the command |
| 521 | * returned by firmware. |
| 522 | * cmd = Scsi Command to wait on. |
| 523 | * flag = Abort/Reset(Bus or Device Reset) |
| 524 | * |
| 525 | * Return: |
| 526 | * Not Found : 0 |
| 527 | * Found : 1 |
| 528 | */ |
| 529 | static int |
| 530 | qla2x00_eh_wait_on_command(scsi_qla_host_t *ha, struct scsi_cmnd *cmd) |
| 531 | { |
Andrew Vasquez | fe74c71 | 2005-08-26 19:10:10 -0700 | [diff] [blame] | 532 | #define ABORT_POLLING_PERIOD 1000 |
| 533 | #define ABORT_WAIT_ITER ((10 * 1000) / (ABORT_POLLING_PERIOD)) |
| f4f051e | 2005-04-17 15:02:26 -0500 | [diff] [blame] | 534 | unsigned long wait_iter = ABORT_WAIT_ITER; |
| 535 | int ret = QLA_SUCCESS; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 536 | |
| f4f051e | 2005-04-17 15:02:26 -0500 | [diff] [blame] | 537 | while (CMD_SP(cmd)) { |
Andrew Vasquez | fe74c71 | 2005-08-26 19:10:10 -0700 | [diff] [blame] | 538 | msleep(ABORT_POLLING_PERIOD); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 539 | |
| f4f051e | 2005-04-17 15:02:26 -0500 | [diff] [blame] | 540 | if (--wait_iter) |
| 541 | break; |
| 542 | } |
| 543 | if (CMD_SP(cmd)) |
| 544 | ret = QLA_FUNCTION_FAILED; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 545 | |
| f4f051e | 2005-04-17 15:02:26 -0500 | [diff] [blame] | 546 | return ret; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 547 | } |
| 548 | |
| 549 | /* |
| 550 | * qla2x00_wait_for_hba_online |
Andrew Vasquez | fa2a1ce | 2005-07-06 10:32:07 -0700 | [diff] [blame] | 551 | * Wait till the HBA is online after going through |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 552 | * <= MAX_RETRIES_OF_ISP_ABORT or |
| 553 | * finally HBA is disabled ie marked offline |
| 554 | * |
| 555 | * Input: |
| 556 | * ha - pointer to host adapter structure |
Andrew Vasquez | fa2a1ce | 2005-07-06 10:32:07 -0700 | [diff] [blame] | 557 | * |
| 558 | * Note: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 559 | * Does context switching-Release SPIN_LOCK |
| 560 | * (if any) before calling this routine. |
| 561 | * |
| 562 | * Return: |
| 563 | * Success (Adapter is online) : 0 |
| 564 | * Failed (Adapter is offline/disabled) : 1 |
| 565 | */ |
andrew.vasquez@qlogic.com | 854165f | 2006-01-31 16:05:17 -0800 | [diff] [blame] | 566 | int |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 567 | qla2x00_wait_for_hba_online(scsi_qla_host_t *ha) |
| 568 | { |
Andrew Vasquez | fca2970 | 2005-07-06 10:31:47 -0700 | [diff] [blame] | 569 | int return_status; |
| 570 | unsigned long wait_online; |
Seokmann Ju | 2c3dfe3 | 2007-07-05 13:16:51 -0700 | [diff] [blame] | 571 | scsi_qla_host_t *pha = to_qla_parent(ha); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 572 | |
Andrew Vasquez | fa2a1ce | 2005-07-06 10:32:07 -0700 | [diff] [blame] | 573 | wait_online = jiffies + (MAX_LOOP_TIMEOUT * HZ); |
Seokmann Ju | 2c3dfe3 | 2007-07-05 13:16:51 -0700 | [diff] [blame] | 574 | while (((test_bit(ISP_ABORT_NEEDED, &pha->dpc_flags)) || |
| 575 | test_bit(ABORT_ISP_ACTIVE, &pha->dpc_flags) || |
| 576 | test_bit(ISP_ABORT_RETRY, &pha->dpc_flags) || |
| 577 | pha->dpc_active) && time_before(jiffies, wait_online)) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 578 | |
| 579 | msleep(1000); |
| 580 | } |
Seokmann Ju | 2c3dfe3 | 2007-07-05 13:16:51 -0700 | [diff] [blame] | 581 | if (pha->flags.online) |
Andrew Vasquez | fa2a1ce | 2005-07-06 10:32:07 -0700 | [diff] [blame] | 582 | return_status = QLA_SUCCESS; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 583 | else |
| 584 | return_status = QLA_FUNCTION_FAILED; |
| 585 | |
| 586 | DEBUG2(printk("%s return_status=%d\n",__func__,return_status)); |
| 587 | |
| 588 | return (return_status); |
| 589 | } |
| 590 | |
| 591 | /* |
| 592 | * qla2x00_wait_for_loop_ready |
| 593 | * Wait for MAX_LOOP_TIMEOUT(5 min) value for loop |
Andrew Vasquez | fa2a1ce | 2005-07-06 10:32:07 -0700 | [diff] [blame] | 594 | * to be in LOOP_READY state. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 595 | * Input: |
| 596 | * ha - pointer to host adapter structure |
Andrew Vasquez | fa2a1ce | 2005-07-06 10:32:07 -0700 | [diff] [blame] | 597 | * |
| 598 | * Note: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 599 | * Does context switching-Release SPIN_LOCK |
| 600 | * (if any) before calling this routine. |
Andrew Vasquez | fa2a1ce | 2005-07-06 10:32:07 -0700 | [diff] [blame] | 601 | * |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 602 | * |
| 603 | * Return: |
| 604 | * Success (LOOP_READY) : 0 |
| 605 | * Failed (LOOP_NOT_READY) : 1 |
| 606 | */ |
Andrew Vasquez | fa2a1ce | 2005-07-06 10:32:07 -0700 | [diff] [blame] | 607 | static inline int |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 608 | qla2x00_wait_for_loop_ready(scsi_qla_host_t *ha) |
| 609 | { |
| 610 | int return_status = QLA_SUCCESS; |
| 611 | unsigned long loop_timeout ; |
Seokmann Ju | 2c3dfe3 | 2007-07-05 13:16:51 -0700 | [diff] [blame] | 612 | scsi_qla_host_t *pha = to_qla_parent(ha); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 613 | |
| 614 | /* wait for 5 min at the max for loop to be ready */ |
Andrew Vasquez | fa2a1ce | 2005-07-06 10:32:07 -0700 | [diff] [blame] | 615 | loop_timeout = jiffies + (MAX_LOOP_TIMEOUT * HZ); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 616 | |
Seokmann Ju | 2c3dfe3 | 2007-07-05 13:16:51 -0700 | [diff] [blame] | 617 | while ((!atomic_read(&pha->loop_down_timer) && |
| 618 | atomic_read(&pha->loop_state) == LOOP_DOWN) || |
| 619 | atomic_read(&pha->loop_state) != LOOP_READY) { |
| 620 | if (atomic_read(&pha->loop_state) == LOOP_DEAD) { |
Ravi Anand | 5768008 | 2006-05-17 15:08:44 -0700 | [diff] [blame] | 621 | return_status = QLA_FUNCTION_FAILED; |
| 622 | break; |
| 623 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 624 | msleep(1000); |
| 625 | if (time_after_eq(jiffies, loop_timeout)) { |
| 626 | return_status = QLA_FUNCTION_FAILED; |
| 627 | break; |
| 628 | } |
| 629 | } |
Andrew Vasquez | fa2a1ce | 2005-07-06 10:32:07 -0700 | [diff] [blame] | 630 | return (return_status); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 631 | } |
| 632 | |
Andrew Vasquez | 07db518 | 2006-10-02 12:00:49 -0700 | [diff] [blame] | 633 | static void |
| 634 | qla2x00_block_error_handler(struct scsi_cmnd *cmnd) |
| 635 | { |
| 636 | struct Scsi_Host *shost = cmnd->device->host; |
| 637 | struct fc_rport *rport = starget_to_rport(scsi_target(cmnd->device)); |
| 638 | unsigned long flags; |
| 639 | |
| 640 | spin_lock_irqsave(shost->host_lock, flags); |
| 641 | while (rport->port_state == FC_PORTSTATE_BLOCKED) { |
| 642 | spin_unlock_irqrestore(shost->host_lock, flags); |
| 643 | msleep(1000); |
| 644 | spin_lock_irqsave(shost->host_lock, flags); |
| 645 | } |
| 646 | spin_unlock_irqrestore(shost->host_lock, flags); |
| 647 | return; |
| 648 | } |
| 649 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 650 | /************************************************************************** |
| 651 | * qla2xxx_eh_abort |
| 652 | * |
| 653 | * Description: |
| 654 | * The abort function will abort the specified command. |
| 655 | * |
| 656 | * Input: |
| 657 | * cmd = Linux SCSI command packet to be aborted. |
| 658 | * |
| 659 | * Returns: |
| 660 | * Either SUCCESS or FAILED. |
| 661 | * |
| 662 | * Note: |
Michael Reed | 2ea0020 | 2006-04-27 16:25:30 -0700 | [diff] [blame] | 663 | * Only return FAILED if command not returned by firmware. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 664 | **************************************************************************/ |
Adrian Bunk | e5f82ab | 2006-11-08 19:55:50 -0800 | [diff] [blame] | 665 | static int |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 666 | qla2xxx_eh_abort(struct scsi_cmnd *cmd) |
| 667 | { |
Andrew Vasquez | f363b94 | 2007-09-20 14:07:45 -0700 | [diff] [blame] | 668 | scsi_qla_host_t *ha = shost_priv(cmd->device->host); |
| f4f051e | 2005-04-17 15:02:26 -0500 | [diff] [blame] | 669 | srb_t *sp; |
| 670 | int ret, i; |
| 671 | unsigned int id, lun; |
| 672 | unsigned long serial; |
Andrew Vasquez | 18e144d | 2005-05-27 15:04:47 -0700 | [diff] [blame] | 673 | unsigned long flags; |
Michael Reed | 2ea0020 | 2006-04-27 16:25:30 -0700 | [diff] [blame] | 674 | int wait = 0; |
Seokmann Ju | 2c3dfe3 | 2007-07-05 13:16:51 -0700 | [diff] [blame] | 675 | scsi_qla_host_t *pha = to_qla_parent(ha); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 676 | |
Andrew Vasquez | 07db518 | 2006-10-02 12:00:49 -0700 | [diff] [blame] | 677 | qla2x00_block_error_handler(cmd); |
| 678 | |
| f4f051e | 2005-04-17 15:02:26 -0500 | [diff] [blame] | 679 | if (!CMD_SP(cmd)) |
Michael Reed | 2ea0020 | 2006-04-27 16:25:30 -0700 | [diff] [blame] | 680 | return SUCCESS; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 681 | |
Michael Reed | 2ea0020 | 2006-04-27 16:25:30 -0700 | [diff] [blame] | 682 | ret = SUCCESS; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 683 | |
| f4f051e | 2005-04-17 15:02:26 -0500 | [diff] [blame] | 684 | id = cmd->device->id; |
| 685 | lun = cmd->device->lun; |
| 686 | serial = cmd->serial_number; |
| 687 | |
| 688 | /* Check active list for command command. */ |
Seokmann Ju | 2c3dfe3 | 2007-07-05 13:16:51 -0700 | [diff] [blame] | 689 | spin_lock_irqsave(&pha->hardware_lock, flags); |
| f4f051e | 2005-04-17 15:02:26 -0500 | [diff] [blame] | 690 | for (i = 1; i < MAX_OUTSTANDING_COMMANDS; i++) { |
Seokmann Ju | 2c3dfe3 | 2007-07-05 13:16:51 -0700 | [diff] [blame] | 691 | sp = pha->outstanding_cmds[i]; |
| f4f051e | 2005-04-17 15:02:26 -0500 | [diff] [blame] | 692 | |
| 693 | if (sp == NULL) |
| 694 | continue; |
| 695 | |
| 696 | if (sp->cmd != cmd) |
| 697 | continue; |
| 698 | |
Andrew Vasquez | 75bc419 | 2006-05-17 15:09:22 -0700 | [diff] [blame] | 699 | DEBUG2(printk("%s(%ld): aborting sp %p from RISC. pid=%ld.\n", |
| 700 | __func__, ha->host_no, sp, serial)); |
Andrew Vasquez | 744f11fd | 2006-06-23 16:11:05 -0700 | [diff] [blame] | 701 | DEBUG3(qla2x00_print_scsi_cmd(cmd)); |
| f4f051e | 2005-04-17 15:02:26 -0500 | [diff] [blame] | 702 | |
Seokmann Ju | 2c3dfe3 | 2007-07-05 13:16:51 -0700 | [diff] [blame] | 703 | spin_unlock_irqrestore(&pha->hardware_lock, flags); |
Andrew Vasquez | fd34f55 | 2007-07-19 15:06:00 -0700 | [diff] [blame] | 704 | if (ha->isp_ops->abort_command(ha, sp)) { |
| f4f051e | 2005-04-17 15:02:26 -0500 | [diff] [blame] | 705 | DEBUG2(printk("%s(%ld): abort_command " |
| 706 | "mbx failed.\n", __func__, ha->host_no)); |
| 707 | } else { |
| 708 | DEBUG3(printk("%s(%ld): abort_command " |
| 709 | "mbx success.\n", __func__, ha->host_no)); |
Michael Reed | 2ea0020 | 2006-04-27 16:25:30 -0700 | [diff] [blame] | 710 | wait = 1; |
| f4f051e | 2005-04-17 15:02:26 -0500 | [diff] [blame] | 711 | } |
Seokmann Ju | 2c3dfe3 | 2007-07-05 13:16:51 -0700 | [diff] [blame] | 712 | spin_lock_irqsave(&pha->hardware_lock, flags); |
| f4f051e | 2005-04-17 15:02:26 -0500 | [diff] [blame] | 713 | |
| 714 | break; |
| 715 | } |
Seokmann Ju | 2c3dfe3 | 2007-07-05 13:16:51 -0700 | [diff] [blame] | 716 | spin_unlock_irqrestore(&pha->hardware_lock, flags); |
| f4f051e | 2005-04-17 15:02:26 -0500 | [diff] [blame] | 717 | |
| 718 | /* Wait for the command to be returned. */ |
Michael Reed | 2ea0020 | 2006-04-27 16:25:30 -0700 | [diff] [blame] | 719 | if (wait) { |
| f4f051e | 2005-04-17 15:02:26 -0500 | [diff] [blame] | 720 | if (qla2x00_eh_wait_on_command(ha, cmd) != QLA_SUCCESS) { |
Andrew Vasquez | fa2a1ce | 2005-07-06 10:32:07 -0700 | [diff] [blame] | 721 | qla_printk(KERN_ERR, ha, |
| f4f051e | 2005-04-17 15:02:26 -0500 | [diff] [blame] | 722 | "scsi(%ld:%d:%d): Abort handler timed out -- %lx " |
| 723 | "%x.\n", ha->host_no, id, lun, serial, ret); |
Michael Reed | 2ea0020 | 2006-04-27 16:25:30 -0700 | [diff] [blame] | 724 | ret = FAILED; |
| f4f051e | 2005-04-17 15:02:26 -0500 | [diff] [blame] | 725 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 726 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 727 | |
Andrew Vasquez | fa2a1ce | 2005-07-06 10:32:07 -0700 | [diff] [blame] | 728 | qla_printk(KERN_INFO, ha, |
Michael Reed | 2ea0020 | 2006-04-27 16:25:30 -0700 | [diff] [blame] | 729 | "scsi(%ld:%d:%d): Abort command issued -- %d %lx %x.\n", |
| 730 | ha->host_no, id, lun, wait, serial, ret); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 731 | |
| f4f051e | 2005-04-17 15:02:26 -0500 | [diff] [blame] | 732 | return ret; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 733 | } |
| 734 | |
| 735 | /************************************************************************** |
| 736 | * qla2x00_eh_wait_for_pending_target_commands |
| 737 | * |
| 738 | * Description: |
| 739 | * Waits for all the commands to come back from the specified target. |
| 740 | * |
| 741 | * Input: |
| 742 | * ha - pointer to scsi_qla_host structure. |
Andrew Vasquez | fa2a1ce | 2005-07-06 10:32:07 -0700 | [diff] [blame] | 743 | * t - target |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 744 | * Returns: |
| 745 | * Either SUCCESS or FAILED. |
| 746 | * |
| 747 | * Note: |
| 748 | **************************************************************************/ |
| 749 | static int |
| 750 | qla2x00_eh_wait_for_pending_target_commands(scsi_qla_host_t *ha, unsigned int t) |
| 751 | { |
| 752 | int cnt; |
| 753 | int status; |
| 754 | srb_t *sp; |
| 755 | struct scsi_cmnd *cmd; |
Andrew Vasquez | 18e144d | 2005-05-27 15:04:47 -0700 | [diff] [blame] | 756 | unsigned long flags; |
Seokmann Ju | 2c3dfe3 | 2007-07-05 13:16:51 -0700 | [diff] [blame] | 757 | scsi_qla_host_t *pha = to_qla_parent(ha); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 758 | |
| 759 | status = 0; |
| 760 | |
| 761 | /* |
| 762 | * Waiting for all commands for the designated target in the active |
| 763 | * array |
| 764 | */ |
| 765 | for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) { |
Seokmann Ju | 2c3dfe3 | 2007-07-05 13:16:51 -0700 | [diff] [blame] | 766 | spin_lock_irqsave(&pha->hardware_lock, flags); |
| 767 | sp = pha->outstanding_cmds[cnt]; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 768 | if (sp) { |
| 769 | cmd = sp->cmd; |
Seokmann Ju | 2c3dfe3 | 2007-07-05 13:16:51 -0700 | [diff] [blame] | 770 | spin_unlock_irqrestore(&pha->hardware_lock, flags); |
| 771 | if (cmd->device->id == t && |
| 772 | ha->vp_idx == sp->ha->vp_idx) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 773 | if (!qla2x00_eh_wait_on_command(ha, cmd)) { |
| 774 | status = 1; |
| 775 | break; |
| 776 | } |
| 777 | } |
| f4f051e | 2005-04-17 15:02:26 -0500 | [diff] [blame] | 778 | } else { |
Seokmann Ju | 2c3dfe3 | 2007-07-05 13:16:51 -0700 | [diff] [blame] | 779 | spin_unlock_irqrestore(&pha->hardware_lock, flags); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 780 | } |
| 781 | } |
| 782 | return (status); |
| 783 | } |
| 784 | |
| 785 | |
| 786 | /************************************************************************** |
| 787 | * qla2xxx_eh_device_reset |
| 788 | * |
| 789 | * Description: |
| 790 | * The device reset function will reset the target and abort any |
| 791 | * executing commands. |
| 792 | * |
| 793 | * NOTE: The use of SP is undefined within this context. Do *NOT* |
Andrew Vasquez | fa2a1ce | 2005-07-06 10:32:07 -0700 | [diff] [blame] | 794 | * attempt to use this value, even if you determine it is |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 795 | * non-null. |
| 796 | * |
| 797 | * Input: |
| 798 | * cmd = Linux SCSI command packet of the command that cause the |
| 799 | * bus device reset. |
| 800 | * |
| 801 | * Returns: |
| 802 | * SUCCESS/FAILURE (defined as macro in scsi.h). |
| 803 | * |
| 804 | **************************************************************************/ |
Adrian Bunk | e5f82ab | 2006-11-08 19:55:50 -0800 | [diff] [blame] | 805 | static int |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 806 | qla2xxx_eh_device_reset(struct scsi_cmnd *cmd) |
| 807 | { |
Andrew Vasquez | f363b94 | 2007-09-20 14:07:45 -0700 | [diff] [blame] | 808 | scsi_qla_host_t *ha = shost_priv(cmd->device->host); |
| bdf7962 | 2005-04-17 15:06:53 -0500 | [diff] [blame] | 809 | fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata; |
Seokmann Ju | 2c3dfe3 | 2007-07-05 13:16:51 -0700 | [diff] [blame] | 810 | int ret = FAILED; |
| f4f051e | 2005-04-17 15:02:26 -0500 | [diff] [blame] | 811 | unsigned int id, lun; |
| 812 | unsigned long serial; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 813 | |
Andrew Vasquez | 07db518 | 2006-10-02 12:00:49 -0700 | [diff] [blame] | 814 | qla2x00_block_error_handler(cmd); |
| 815 | |
| f4f051e | 2005-04-17 15:02:26 -0500 | [diff] [blame] | 816 | id = cmd->device->id; |
| 817 | lun = cmd->device->lun; |
| 818 | serial = cmd->serial_number; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 819 | |
Vladislav Bolkhovitin | b0328be | 2006-08-01 13:48:15 -0700 | [diff] [blame] | 820 | if (!fcport) |
| f4f051e | 2005-04-17 15:02:26 -0500 | [diff] [blame] | 821 | return ret; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 822 | |
| 823 | qla_printk(KERN_INFO, ha, |
| f4f051e | 2005-04-17 15:02:26 -0500 | [diff] [blame] | 824 | "scsi(%ld:%d:%d): DEVICE RESET ISSUED.\n", ha->host_no, id, lun); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 825 | |
Jeff Garzik | 94d0e7b8 | 2005-05-28 07:55:48 -0400 | [diff] [blame] | 826 | if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 827 | goto eh_dev_reset_done; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 828 | |
| 829 | if (qla2x00_wait_for_loop_ready(ha) == QLA_SUCCESS) { |
| f4f051e | 2005-04-17 15:02:26 -0500 | [diff] [blame] | 830 | if (qla2x00_device_reset(ha, fcport) == 0) |
| 831 | ret = SUCCESS; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 832 | |
| 833 | #if defined(LOGOUT_AFTER_DEVICE_RESET) |
| f4f051e | 2005-04-17 15:02:26 -0500 | [diff] [blame] | 834 | if (ret == SUCCESS) { |
| 835 | if (fcport->flags & FC_FABRIC_DEVICE) { |
Andrew Vasquez | fd34f55 | 2007-07-19 15:06:00 -0700 | [diff] [blame] | 836 | ha->isp_ops->fabric_logout(ha, fcport->loop_id); |
andrew.vasquez@qlogic.com | d97994d | 2006-01-20 14:53:13 -0800 | [diff] [blame] | 837 | qla2x00_mark_device_lost(ha, fcport, 0, 0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 838 | } |
| 839 | } |
| 840 | #endif |
| 841 | } else { |
| 842 | DEBUG2(printk(KERN_INFO |
Andrew Vasquez | 744f11fd | 2006-06-23 16:11:05 -0700 | [diff] [blame] | 843 | "%s failed: loop not ready\n",__func__)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 844 | } |
| 845 | |
| f4f051e | 2005-04-17 15:02:26 -0500 | [diff] [blame] | 846 | if (ret == FAILED) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 847 | DEBUG3(printk("%s(%ld): device reset failed\n", |
| 848 | __func__, ha->host_no)); |
| 849 | qla_printk(KERN_INFO, ha, "%s: device reset failed\n", |
| 850 | __func__); |
| 851 | |
| 852 | goto eh_dev_reset_done; |
| 853 | } |
| 854 | |
Andrew Vasquez | 9a41a62 | 2005-09-20 13:25:53 -0700 | [diff] [blame] | 855 | /* Flush outstanding commands. */ |
| 856 | if (qla2x00_eh_wait_for_pending_target_commands(ha, id)) |
| 857 | ret = FAILED; |
| 858 | if (ret == FAILED) { |
| 859 | DEBUG3(printk("%s(%ld): failed while waiting for commands\n", |
| 860 | __func__, ha->host_no)); |
| 861 | qla_printk(KERN_INFO, ha, |
| 862 | "%s: failed while waiting for commands\n", __func__); |
| 863 | } else |
| 864 | qla_printk(KERN_INFO, ha, |
| 865 | "scsi(%ld:%d:%d): DEVICE RESET SUCCEEDED.\n", ha->host_no, |
| 866 | id, lun); |
James Bottomley | 28f22b0 | 2005-10-28 17:22:18 -0500 | [diff] [blame] | 867 | eh_dev_reset_done: |
| f4f051e | 2005-04-17 15:02:26 -0500 | [diff] [blame] | 868 | return ret; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 869 | } |
| 870 | |
| 871 | /************************************************************************** |
| 872 | * qla2x00_eh_wait_for_pending_commands |
| 873 | * |
| 874 | * Description: |
| 875 | * Waits for all the commands to come back from the specified host. |
| 876 | * |
| 877 | * Input: |
| 878 | * ha - pointer to scsi_qla_host structure. |
| 879 | * |
| 880 | * Returns: |
| 881 | * 1 : SUCCESS |
| 882 | * 0 : FAILED |
| 883 | * |
| 884 | * Note: |
| 885 | **************************************************************************/ |
| 886 | static int |
| 887 | qla2x00_eh_wait_for_pending_commands(scsi_qla_host_t *ha) |
| 888 | { |
| 889 | int cnt; |
| 890 | int status; |
| 891 | srb_t *sp; |
| 892 | struct scsi_cmnd *cmd; |
Andrew Vasquez | 18e144d | 2005-05-27 15:04:47 -0700 | [diff] [blame] | 893 | unsigned long flags; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 894 | |
| 895 | status = 1; |
| 896 | |
| 897 | /* |
| 898 | * Waiting for all commands for the designated target in the active |
| 899 | * array |
| 900 | */ |
| 901 | for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) { |
Andrew Vasquez | 18e144d | 2005-05-27 15:04:47 -0700 | [diff] [blame] | 902 | spin_lock_irqsave(&ha->hardware_lock, flags); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 903 | sp = ha->outstanding_cmds[cnt]; |
| 904 | if (sp) { |
| 905 | cmd = sp->cmd; |
Andrew Vasquez | 18e144d | 2005-05-27 15:04:47 -0700 | [diff] [blame] | 906 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 907 | status = qla2x00_eh_wait_on_command(ha, cmd); |
| 908 | if (status == 0) |
| 909 | break; |
| 910 | } |
| 911 | else { |
Andrew Vasquez | 18e144d | 2005-05-27 15:04:47 -0700 | [diff] [blame] | 912 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 913 | } |
| 914 | } |
| 915 | return (status); |
| 916 | } |
| 917 | |
| 918 | |
| 919 | /************************************************************************** |
| 920 | * qla2xxx_eh_bus_reset |
| 921 | * |
| 922 | * Description: |
| 923 | * The bus reset function will reset the bus and abort any executing |
| 924 | * commands. |
| 925 | * |
| 926 | * Input: |
| 927 | * cmd = Linux SCSI command packet of the command that cause the |
| 928 | * bus reset. |
| 929 | * |
| 930 | * Returns: |
| 931 | * SUCCESS/FAILURE (defined as macro in scsi.h). |
| 932 | * |
| 933 | **************************************************************************/ |
Adrian Bunk | e5f82ab | 2006-11-08 19:55:50 -0800 | [diff] [blame] | 934 | static int |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 935 | qla2xxx_eh_bus_reset(struct scsi_cmnd *cmd) |
| 936 | { |
Andrew Vasquez | f363b94 | 2007-09-20 14:07:45 -0700 | [diff] [blame] | 937 | scsi_qla_host_t *ha = shost_priv(cmd->device->host); |
Seokmann Ju | 2c3dfe3 | 2007-07-05 13:16:51 -0700 | [diff] [blame] | 938 | scsi_qla_host_t *pha = to_qla_parent(ha); |
| bdf7962 | 2005-04-17 15:06:53 -0500 | [diff] [blame] | 939 | fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata; |
Seokmann Ju | 2c3dfe3 | 2007-07-05 13:16:51 -0700 | [diff] [blame] | 940 | int ret = FAILED; |
| f4f051e | 2005-04-17 15:02:26 -0500 | [diff] [blame] | 941 | unsigned int id, lun; |
| 942 | unsigned long serial; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 943 | |
Andrew Vasquez | 07db518 | 2006-10-02 12:00:49 -0700 | [diff] [blame] | 944 | qla2x00_block_error_handler(cmd); |
| 945 | |
| f4f051e | 2005-04-17 15:02:26 -0500 | [diff] [blame] | 946 | id = cmd->device->id; |
| 947 | lun = cmd->device->lun; |
| 948 | serial = cmd->serial_number; |
| 949 | |
Vladislav Bolkhovitin | b0328be | 2006-08-01 13:48:15 -0700 | [diff] [blame] | 950 | if (!fcport) |
| f4f051e | 2005-04-17 15:02:26 -0500 | [diff] [blame] | 951 | return ret; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 952 | |
| 953 | qla_printk(KERN_INFO, ha, |
| f4f051e | 2005-04-17 15:02:26 -0500 | [diff] [blame] | 954 | "scsi(%ld:%d:%d): LOOP RESET ISSUED.\n", ha->host_no, id, lun); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 955 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 956 | if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS) { |
| 957 | DEBUG2(printk("%s failed:board disabled\n",__func__)); |
| f4f051e | 2005-04-17 15:02:26 -0500 | [diff] [blame] | 958 | goto eh_bus_reset_done; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 959 | } |
| 960 | |
| 961 | if (qla2x00_wait_for_loop_ready(ha) == QLA_SUCCESS) { |
| f4f051e | 2005-04-17 15:02:26 -0500 | [diff] [blame] | 962 | if (qla2x00_loop_reset(ha) == QLA_SUCCESS) |
| 963 | ret = SUCCESS; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 964 | } |
| f4f051e | 2005-04-17 15:02:26 -0500 | [diff] [blame] | 965 | if (ret == FAILED) |
| 966 | goto eh_bus_reset_done; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 967 | |
Andrew Vasquez | 9a41a62 | 2005-09-20 13:25:53 -0700 | [diff] [blame] | 968 | /* Flush outstanding commands. */ |
Seokmann Ju | 2c3dfe3 | 2007-07-05 13:16:51 -0700 | [diff] [blame] | 969 | if (!qla2x00_eh_wait_for_pending_commands(pha)) |
Andrew Vasquez | 9a41a62 | 2005-09-20 13:25:53 -0700 | [diff] [blame] | 970 | ret = FAILED; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 971 | |
| f4f051e | 2005-04-17 15:02:26 -0500 | [diff] [blame] | 972 | eh_bus_reset_done: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 973 | qla_printk(KERN_INFO, ha, "%s: reset %s\n", __func__, |
| f4f051e | 2005-04-17 15:02:26 -0500 | [diff] [blame] | 974 | (ret == FAILED) ? "failed" : "succeded"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 975 | |
| f4f051e | 2005-04-17 15:02:26 -0500 | [diff] [blame] | 976 | return ret; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 977 | } |
| 978 | |
| 979 | /************************************************************************** |
| 980 | * qla2xxx_eh_host_reset |
| 981 | * |
| 982 | * Description: |
| 983 | * The reset function will reset the Adapter. |
| 984 | * |
| 985 | * Input: |
| 986 | * cmd = Linux SCSI command packet of the command that cause the |
| 987 | * adapter reset. |
| 988 | * |
| 989 | * Returns: |
| 990 | * Either SUCCESS or FAILED. |
| 991 | * |
| 992 | * Note: |
| 993 | **************************************************************************/ |
Adrian Bunk | e5f82ab | 2006-11-08 19:55:50 -0800 | [diff] [blame] | 994 | static int |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 995 | qla2xxx_eh_host_reset(struct scsi_cmnd *cmd) |
| 996 | { |
Andrew Vasquez | f363b94 | 2007-09-20 14:07:45 -0700 | [diff] [blame] | 997 | scsi_qla_host_t *ha = shost_priv(cmd->device->host); |
| bdf7962 | 2005-04-17 15:06:53 -0500 | [diff] [blame] | 998 | fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata; |
Seokmann Ju | 2c3dfe3 | 2007-07-05 13:16:51 -0700 | [diff] [blame] | 999 | int ret = FAILED; |
| f4f051e | 2005-04-17 15:02:26 -0500 | [diff] [blame] | 1000 | unsigned int id, lun; |
| 1001 | unsigned long serial; |
Seokmann Ju | 2c3dfe3 | 2007-07-05 13:16:51 -0700 | [diff] [blame] | 1002 | scsi_qla_host_t *pha = to_qla_parent(ha); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1003 | |
Andrew Vasquez | 07db518 | 2006-10-02 12:00:49 -0700 | [diff] [blame] | 1004 | qla2x00_block_error_handler(cmd); |
| 1005 | |
| f4f051e | 2005-04-17 15:02:26 -0500 | [diff] [blame] | 1006 | id = cmd->device->id; |
| 1007 | lun = cmd->device->lun; |
| 1008 | serial = cmd->serial_number; |
| 1009 | |
Vladislav Bolkhovitin | b0328be | 2006-08-01 13:48:15 -0700 | [diff] [blame] | 1010 | if (!fcport) |
| f4f051e | 2005-04-17 15:02:26 -0500 | [diff] [blame] | 1011 | return ret; |
| 1012 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1013 | qla_printk(KERN_INFO, ha, |
| f4f051e | 2005-04-17 15:02:26 -0500 | [diff] [blame] | 1014 | "scsi(%ld:%d:%d): ADAPTER RESET ISSUED.\n", ha->host_no, id, lun); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1015 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1016 | if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS) |
| f4f051e | 2005-04-17 15:02:26 -0500 | [diff] [blame] | 1017 | goto eh_host_reset_lock; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1018 | |
| 1019 | /* |
| 1020 | * Fixme-may be dpc thread is active and processing |
Andrew Vasquez | fa2a1ce | 2005-07-06 10:32:07 -0700 | [diff] [blame] | 1021 | * loop_resync,so wait a while for it to |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1022 | * be completed and then issue big hammer.Otherwise |
| 1023 | * it may cause I/O failure as big hammer marks the |
| 1024 | * devices as lost kicking of the port_down_timer |
| 1025 | * while dpc is stuck for the mailbox to complete. |
| 1026 | */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1027 | qla2x00_wait_for_loop_ready(ha); |
Seokmann Ju | 2c3dfe3 | 2007-07-05 13:16:51 -0700 | [diff] [blame] | 1028 | set_bit(ABORT_ISP_ACTIVE, &pha->dpc_flags); |
| 1029 | if (qla2x00_abort_isp(pha)) { |
| 1030 | clear_bit(ABORT_ISP_ACTIVE, &pha->dpc_flags); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1031 | /* failed. schedule dpc to try */ |
Seokmann Ju | 2c3dfe3 | 2007-07-05 13:16:51 -0700 | [diff] [blame] | 1032 | set_bit(ISP_ABORT_NEEDED, &pha->dpc_flags); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1033 | |
| 1034 | if (qla2x00_wait_for_hba_online(ha) != QLA_SUCCESS) |
| f4f051e | 2005-04-17 15:02:26 -0500 | [diff] [blame] | 1035 | goto eh_host_reset_lock; |
Andrew Vasquez | fa2a1ce | 2005-07-06 10:32:07 -0700 | [diff] [blame] | 1036 | } |
Seokmann Ju | 2c3dfe3 | 2007-07-05 13:16:51 -0700 | [diff] [blame] | 1037 | clear_bit(ABORT_ISP_ACTIVE, &pha->dpc_flags); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1038 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1039 | /* Waiting for our command in done_queue to be returned to OS.*/ |
Seokmann Ju | 2c3dfe3 | 2007-07-05 13:16:51 -0700 | [diff] [blame] | 1040 | if (qla2x00_eh_wait_for_pending_commands(pha)) |
| f4f051e | 2005-04-17 15:02:26 -0500 | [diff] [blame] | 1041 | ret = SUCCESS; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1042 | |
Seokmann Ju | 2c3dfe3 | 2007-07-05 13:16:51 -0700 | [diff] [blame] | 1043 | if (ha->parent) |
| 1044 | qla2x00_vp_abort_isp(ha); |
| 1045 | |
| f4f051e | 2005-04-17 15:02:26 -0500 | [diff] [blame] | 1046 | eh_host_reset_lock: |
| f4f051e | 2005-04-17 15:02:26 -0500 | [diff] [blame] | 1047 | qla_printk(KERN_INFO, ha, "%s: reset %s\n", __func__, |
| 1048 | (ret == FAILED) ? "failed" : "succeded"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1049 | |
| f4f051e | 2005-04-17 15:02:26 -0500 | [diff] [blame] | 1050 | return ret; |
| 1051 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1052 | |
| 1053 | /* |
| 1054 | * qla2x00_loop_reset |
| 1055 | * Issue loop reset. |
| 1056 | * |
| 1057 | * Input: |
| 1058 | * ha = adapter block pointer. |
| 1059 | * |
| 1060 | * Returns: |
| 1061 | * 0 = success |
| 1062 | */ |
| 1063 | static int |
| 1064 | qla2x00_loop_reset(scsi_qla_host_t *ha) |
| 1065 | { |
Andrew Vasquez | 0c8c39a | 2006-12-13 19:20:30 -0800 | [diff] [blame] | 1066 | int ret; |
| bdf7962 | 2005-04-17 15:06:53 -0500 | [diff] [blame] | 1067 | struct fc_port *fcport; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1068 | |
Andrew Vasquez | 0c8c39a | 2006-12-13 19:20:30 -0800 | [diff] [blame] | 1069 | if (ha->flags.enable_lip_full_login) { |
| 1070 | ret = qla2x00_full_login_lip(ha); |
| 1071 | if (ret != QLA_SUCCESS) { |
| 1072 | DEBUG2_3(printk("%s(%ld): bus_reset failed: " |
| 1073 | "full_login_lip=%d.\n", __func__, ha->host_no, |
| 1074 | ret)); |
| 1075 | } |
| 1076 | atomic_set(&ha->loop_state, LOOP_DOWN); |
| 1077 | atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME); |
| 1078 | qla2x00_mark_all_devices_lost(ha, 0); |
| 1079 | qla2x00_wait_for_loop_ready(ha); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1080 | } |
| 1081 | |
Andrew Vasquez | 0c8c39a | 2006-12-13 19:20:30 -0800 | [diff] [blame] | 1082 | if (ha->flags.enable_lip_reset) { |
| 1083 | ret = qla2x00_lip_reset(ha); |
| 1084 | if (ret != QLA_SUCCESS) { |
| 1085 | DEBUG2_3(printk("%s(%ld): bus_reset failed: " |
| 1086 | "lip_reset=%d.\n", __func__, ha->host_no, ret)); |
| 1087 | } |
| 1088 | qla2x00_wait_for_loop_ready(ha); |
| 1089 | } |
| 1090 | |
| 1091 | if (ha->flags.enable_target_reset) { |
| bdf7962 | 2005-04-17 15:06:53 -0500 | [diff] [blame] | 1092 | list_for_each_entry(fcport, &ha->fcports, list) { |
| 1093 | if (fcport->port_type != FCT_TARGET) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1094 | continue; |
| 1095 | |
Andrew Vasquez | 0c8c39a | 2006-12-13 19:20:30 -0800 | [diff] [blame] | 1096 | ret = qla2x00_device_reset(ha, fcport); |
| 1097 | if (ret != QLA_SUCCESS) { |
| 1098 | DEBUG2_3(printk("%s(%ld): bus_reset failed: " |
| 1099 | "target_reset=%d d_id=%x.\n", __func__, |
| 1100 | ha->host_no, ret, fcport->d_id.b24)); |
| 1101 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1102 | } |
| 1103 | } |
| 1104 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1105 | /* Issue marker command only when we are going to start the I/O */ |
| 1106 | ha->marker_needed = 1; |
| 1107 | |
Andrew Vasquez | 0c8c39a | 2006-12-13 19:20:30 -0800 | [diff] [blame] | 1108 | return QLA_SUCCESS; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1109 | } |
| 1110 | |
| 1111 | /* |
| 1112 | * qla2x00_device_reset |
| 1113 | * Issue bus device reset message to the target. |
| 1114 | * |
| 1115 | * Input: |
| 1116 | * ha = adapter block pointer. |
| 1117 | * t = SCSI ID. |
| 1118 | * TARGET_QUEUE_LOCK must be released. |
| 1119 | * ADAPTER_STATE_LOCK must be released. |
| 1120 | * |
| 1121 | * Context: |
| 1122 | * Kernel context. |
| 1123 | */ |
| 1124 | static int |
| 1125 | qla2x00_device_reset(scsi_qla_host_t *ha, fc_port_t *reset_fcport) |
| 1126 | { |
| 1127 | /* Abort Target command will clear Reservation */ |
Andrew Vasquez | fd34f55 | 2007-07-19 15:06:00 -0700 | [diff] [blame] | 1128 | return ha->isp_ops->abort_target(reset_fcport); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1129 | } |
| 1130 | |
| f4f051e | 2005-04-17 15:02:26 -0500 | [diff] [blame] | 1131 | static int |
| 1132 | qla2xxx_slave_alloc(struct scsi_device *sdev) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1133 | { |
| bdf7962 | 2005-04-17 15:06:53 -0500 | [diff] [blame] | 1134 | struct fc_rport *rport = starget_to_rport(scsi_target(sdev)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1135 | |
James.Smart@Emulex.Com | 19a7b4a | 2005-10-18 12:03:35 -0400 | [diff] [blame] | 1136 | if (!rport || fc_remote_port_chkready(rport)) |
| f4f051e | 2005-04-17 15:02:26 -0500 | [diff] [blame] | 1137 | return -ENXIO; |
| 1138 | |
James.Smart@Emulex.Com | 19a7b4a | 2005-10-18 12:03:35 -0400 | [diff] [blame] | 1139 | sdev->hostdata = *(fc_port_t **)rport->dd_data; |
| f4f051e | 2005-04-17 15:02:26 -0500 | [diff] [blame] | 1140 | |
| 1141 | return 0; |
| 1142 | } |
| 1143 | |
| 1144 | static int |
| 1145 | qla2xxx_slave_configure(struct scsi_device *sdev) |
| 1146 | { |
Andrew Vasquez | f363b94 | 2007-09-20 14:07:45 -0700 | [diff] [blame] | 1147 | scsi_qla_host_t *ha = shost_priv(sdev->host); |
| 8482e118 | 2005-04-17 15:04:54 -0500 | [diff] [blame] | 1148 | struct fc_rport *rport = starget_to_rport(sdev->sdev_target); |
| 1149 | |
| f4f051e | 2005-04-17 15:02:26 -0500 | [diff] [blame] | 1150 | if (sdev->tagged_supported) |
Andrew Vasquez | df7baa5 | 2006-10-13 09:33:39 -0700 | [diff] [blame] | 1151 | scsi_activate_tcq(sdev, ha->max_q_depth); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1152 | else |
Andrew Vasquez | df7baa5 | 2006-10-13 09:33:39 -0700 | [diff] [blame] | 1153 | scsi_deactivate_tcq(sdev, ha->max_q_depth); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1154 | |
| 8482e118 | 2005-04-17 15:04:54 -0500 | [diff] [blame] | 1155 | rport->dev_loss_tmo = ha->port_down_retry_count + 5; |
| 1156 | |
| f4f051e | 2005-04-17 15:02:26 -0500 | [diff] [blame] | 1157 | return 0; |
| 1158 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1159 | |
| f4f051e | 2005-04-17 15:02:26 -0500 | [diff] [blame] | 1160 | static void |
| 1161 | qla2xxx_slave_destroy(struct scsi_device *sdev) |
| 1162 | { |
| 1163 | sdev->hostdata = NULL; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1164 | } |
| 1165 | |
Andrew Vasquez | ce7e4af | 2005-08-26 19:09:30 -0700 | [diff] [blame] | 1166 | static int |
| 1167 | qla2x00_change_queue_depth(struct scsi_device *sdev, int qdepth) |
| 1168 | { |
| 1169 | scsi_adjust_queue_depth(sdev, scsi_get_tag_type(sdev), qdepth); |
| 1170 | return sdev->queue_depth; |
| 1171 | } |
| 1172 | |
| 1173 | static int |
| 1174 | qla2x00_change_queue_type(struct scsi_device *sdev, int tag_type) |
| 1175 | { |
| 1176 | if (sdev->tagged_supported) { |
| 1177 | scsi_set_tag_type(sdev, tag_type); |
| 1178 | if (tag_type) |
| 1179 | scsi_activate_tcq(sdev, sdev->queue_depth); |
| 1180 | else |
| 1181 | scsi_deactivate_tcq(sdev, sdev->queue_depth); |
| 1182 | } else |
| 1183 | tag_type = 0; |
| 1184 | |
| 1185 | return tag_type; |
| 1186 | } |
| 1187 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1188 | /** |
| 1189 | * qla2x00_config_dma_addressing() - Configure OS DMA addressing method. |
| 1190 | * @ha: HA context |
| 1191 | * |
| 1192 | * At exit, the @ha's flags.enable_64bit_addressing set to indicated |
| 1193 | * supported addressing method. |
| 1194 | */ |
| 1195 | static void |
| 1196 | qla2x00_config_dma_addressing(scsi_qla_host_t *ha) |
| 1197 | { |
Andrew Vasquez | 7524f9b | 2005-08-26 19:08:00 -0700 | [diff] [blame] | 1198 | /* Assume a 32bit DMA mask. */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1199 | ha->flags.enable_64bit_addressing = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1200 | |
Andrew Vasquez | 7524f9b | 2005-08-26 19:08:00 -0700 | [diff] [blame] | 1201 | if (!dma_set_mask(&ha->pdev->dev, DMA_64BIT_MASK)) { |
| 1202 | /* Any upper-dword bits set? */ |
| 1203 | if (MSD(dma_get_required_mask(&ha->pdev->dev)) && |
| 1204 | !pci_set_consistent_dma_mask(ha->pdev, DMA_64BIT_MASK)) { |
| 1205 | /* Ok, a 64bit DMA mask is applicable. */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1206 | ha->flags.enable_64bit_addressing = 1; |
Andrew Vasquez | fd34f55 | 2007-07-19 15:06:00 -0700 | [diff] [blame] | 1207 | ha->isp_ops->calc_req_entries = qla2x00_calc_iocbs_64; |
| 1208 | ha->isp_ops->build_iocbs = qla2x00_build_scsi_iocbs_64; |
Andrew Vasquez | 7524f9b | 2005-08-26 19:08:00 -0700 | [diff] [blame] | 1209 | return; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1210 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1211 | } |
Andrew Vasquez | 7524f9b | 2005-08-26 19:08:00 -0700 | [diff] [blame] | 1212 | |
| 1213 | dma_set_mask(&ha->pdev->dev, DMA_32BIT_MASK); |
| 1214 | pci_set_consistent_dma_mask(ha->pdev, DMA_32BIT_MASK); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1215 | } |
| 1216 | |
Andrew Vasquez | fd34f55 | 2007-07-19 15:06:00 -0700 | [diff] [blame] | 1217 | static void |
| 1218 | qla2x00_enable_intrs(scsi_qla_host_t *ha) |
| 1219 | { |
| 1220 | unsigned long flags = 0; |
| 1221 | struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; |
| 1222 | |
| 1223 | spin_lock_irqsave(&ha->hardware_lock, flags); |
| 1224 | ha->interrupts_on = 1; |
| 1225 | /* enable risc and host interrupts */ |
| 1226 | WRT_REG_WORD(®->ictrl, ICR_EN_INT | ICR_EN_RISC); |
| 1227 | RD_REG_WORD(®->ictrl); |
| 1228 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
| 1229 | |
| 1230 | } |
| 1231 | |
| 1232 | static void |
| 1233 | qla2x00_disable_intrs(scsi_qla_host_t *ha) |
| 1234 | { |
| 1235 | unsigned long flags = 0; |
| 1236 | struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; |
| 1237 | |
| 1238 | spin_lock_irqsave(&ha->hardware_lock, flags); |
| 1239 | ha->interrupts_on = 0; |
| 1240 | /* disable risc and host interrupts */ |
| 1241 | WRT_REG_WORD(®->ictrl, 0); |
| 1242 | RD_REG_WORD(®->ictrl); |
| 1243 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
| 1244 | } |
| 1245 | |
| 1246 | static void |
| 1247 | qla24xx_enable_intrs(scsi_qla_host_t *ha) |
| 1248 | { |
| 1249 | unsigned long flags = 0; |
| 1250 | struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; |
| 1251 | |
| 1252 | spin_lock_irqsave(&ha->hardware_lock, flags); |
| 1253 | ha->interrupts_on = 1; |
| 1254 | WRT_REG_DWORD(®->ictrl, ICRX_EN_RISC_INT); |
| 1255 | RD_REG_DWORD(®->ictrl); |
| 1256 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
| 1257 | } |
| 1258 | |
| 1259 | static void |
| 1260 | qla24xx_disable_intrs(scsi_qla_host_t *ha) |
| 1261 | { |
| 1262 | unsigned long flags = 0; |
| 1263 | struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; |
| 1264 | |
| 1265 | spin_lock_irqsave(&ha->hardware_lock, flags); |
| 1266 | ha->interrupts_on = 0; |
| 1267 | WRT_REG_DWORD(®->ictrl, 0); |
| 1268 | RD_REG_DWORD(®->ictrl); |
| 1269 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
| 1270 | } |
| 1271 | |
| 1272 | static struct isp_operations qla2100_isp_ops = { |
| 1273 | .pci_config = qla2100_pci_config, |
| 1274 | .reset_chip = qla2x00_reset_chip, |
| 1275 | .chip_diag = qla2x00_chip_diag, |
| 1276 | .config_rings = qla2x00_config_rings, |
| 1277 | .reset_adapter = qla2x00_reset_adapter, |
| 1278 | .nvram_config = qla2x00_nvram_config, |
| 1279 | .update_fw_options = qla2x00_update_fw_options, |
| 1280 | .load_risc = qla2x00_load_risc, |
| 1281 | .pci_info_str = qla2x00_pci_info_str, |
| 1282 | .fw_version_str = qla2x00_fw_version_str, |
| 1283 | .intr_handler = qla2100_intr_handler, |
| 1284 | .enable_intrs = qla2x00_enable_intrs, |
| 1285 | .disable_intrs = qla2x00_disable_intrs, |
| 1286 | .abort_command = qla2x00_abort_command, |
| 1287 | .abort_target = qla2x00_abort_target, |
| 1288 | .fabric_login = qla2x00_login_fabric, |
| 1289 | .fabric_logout = qla2x00_fabric_logout, |
| 1290 | .calc_req_entries = qla2x00_calc_iocbs_32, |
| 1291 | .build_iocbs = qla2x00_build_scsi_iocbs_32, |
| 1292 | .prep_ms_iocb = qla2x00_prep_ms_iocb, |
| 1293 | .prep_ms_fdmi_iocb = qla2x00_prep_ms_fdmi_iocb, |
| 1294 | .read_nvram = qla2x00_read_nvram_data, |
| 1295 | .write_nvram = qla2x00_write_nvram_data, |
| 1296 | .fw_dump = qla2100_fw_dump, |
| 1297 | .beacon_on = NULL, |
| 1298 | .beacon_off = NULL, |
| 1299 | .beacon_blink = NULL, |
| 1300 | .read_optrom = qla2x00_read_optrom_data, |
| 1301 | .write_optrom = qla2x00_write_optrom_data, |
| 1302 | .get_flash_version = qla2x00_get_flash_version, |
| 1303 | }; |
| 1304 | |
| 1305 | static struct isp_operations qla2300_isp_ops = { |
| 1306 | .pci_config = qla2300_pci_config, |
| 1307 | .reset_chip = qla2x00_reset_chip, |
| 1308 | .chip_diag = qla2x00_chip_diag, |
| 1309 | .config_rings = qla2x00_config_rings, |
| 1310 | .reset_adapter = qla2x00_reset_adapter, |
| 1311 | .nvram_config = qla2x00_nvram_config, |
| 1312 | .update_fw_options = qla2x00_update_fw_options, |
| 1313 | .load_risc = qla2x00_load_risc, |
| 1314 | .pci_info_str = qla2x00_pci_info_str, |
| 1315 | .fw_version_str = qla2x00_fw_version_str, |
| 1316 | .intr_handler = qla2300_intr_handler, |
| 1317 | .enable_intrs = qla2x00_enable_intrs, |
| 1318 | .disable_intrs = qla2x00_disable_intrs, |
| 1319 | .abort_command = qla2x00_abort_command, |
| 1320 | .abort_target = qla2x00_abort_target, |
| 1321 | .fabric_login = qla2x00_login_fabric, |
| 1322 | .fabric_logout = qla2x00_fabric_logout, |
| 1323 | .calc_req_entries = qla2x00_calc_iocbs_32, |
| 1324 | .build_iocbs = qla2x00_build_scsi_iocbs_32, |
| 1325 | .prep_ms_iocb = qla2x00_prep_ms_iocb, |
| 1326 | .prep_ms_fdmi_iocb = qla2x00_prep_ms_fdmi_iocb, |
| 1327 | .read_nvram = qla2x00_read_nvram_data, |
| 1328 | .write_nvram = qla2x00_write_nvram_data, |
| 1329 | .fw_dump = qla2300_fw_dump, |
| 1330 | .beacon_on = qla2x00_beacon_on, |
| 1331 | .beacon_off = qla2x00_beacon_off, |
| 1332 | .beacon_blink = qla2x00_beacon_blink, |
| 1333 | .read_optrom = qla2x00_read_optrom_data, |
| 1334 | .write_optrom = qla2x00_write_optrom_data, |
| 1335 | .get_flash_version = qla2x00_get_flash_version, |
| 1336 | }; |
| 1337 | |
| 1338 | static struct isp_operations qla24xx_isp_ops = { |
| 1339 | .pci_config = qla24xx_pci_config, |
| 1340 | .reset_chip = qla24xx_reset_chip, |
| 1341 | .chip_diag = qla24xx_chip_diag, |
| 1342 | .config_rings = qla24xx_config_rings, |
| 1343 | .reset_adapter = qla24xx_reset_adapter, |
| 1344 | .nvram_config = qla24xx_nvram_config, |
| 1345 | .update_fw_options = qla24xx_update_fw_options, |
| 1346 | .load_risc = qla24xx_load_risc, |
| 1347 | .pci_info_str = qla24xx_pci_info_str, |
| 1348 | .fw_version_str = qla24xx_fw_version_str, |
| 1349 | .intr_handler = qla24xx_intr_handler, |
| 1350 | .enable_intrs = qla24xx_enable_intrs, |
| 1351 | .disable_intrs = qla24xx_disable_intrs, |
| 1352 | .abort_command = qla24xx_abort_command, |
| 1353 | .abort_target = qla24xx_abort_target, |
| 1354 | .fabric_login = qla24xx_login_fabric, |
| 1355 | .fabric_logout = qla24xx_fabric_logout, |
| 1356 | .calc_req_entries = NULL, |
| 1357 | .build_iocbs = NULL, |
| 1358 | .prep_ms_iocb = qla24xx_prep_ms_iocb, |
| 1359 | .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb, |
| 1360 | .read_nvram = qla24xx_read_nvram_data, |
| 1361 | .write_nvram = qla24xx_write_nvram_data, |
| 1362 | .fw_dump = qla24xx_fw_dump, |
| 1363 | .beacon_on = qla24xx_beacon_on, |
| 1364 | .beacon_off = qla24xx_beacon_off, |
| 1365 | .beacon_blink = qla24xx_beacon_blink, |
| 1366 | .read_optrom = qla24xx_read_optrom_data, |
| 1367 | .write_optrom = qla24xx_write_optrom_data, |
| 1368 | .get_flash_version = qla24xx_get_flash_version, |
| 1369 | }; |
| 1370 | |
Andrew Vasquez | c3a2f0d | 2007-07-19 20:37:34 -0700 | [diff] [blame] | 1371 | static struct isp_operations qla25xx_isp_ops = { |
| 1372 | .pci_config = qla25xx_pci_config, |
| 1373 | .reset_chip = qla24xx_reset_chip, |
| 1374 | .chip_diag = qla24xx_chip_diag, |
| 1375 | .config_rings = qla24xx_config_rings, |
| 1376 | .reset_adapter = qla24xx_reset_adapter, |
| 1377 | .nvram_config = qla24xx_nvram_config, |
| 1378 | .update_fw_options = qla24xx_update_fw_options, |
| 1379 | .load_risc = qla24xx_load_risc, |
| 1380 | .pci_info_str = qla24xx_pci_info_str, |
| 1381 | .fw_version_str = qla24xx_fw_version_str, |
| 1382 | .intr_handler = qla24xx_intr_handler, |
| 1383 | .enable_intrs = qla24xx_enable_intrs, |
| 1384 | .disable_intrs = qla24xx_disable_intrs, |
| 1385 | .abort_command = qla24xx_abort_command, |
| 1386 | .abort_target = qla24xx_abort_target, |
| 1387 | .fabric_login = qla24xx_login_fabric, |
| 1388 | .fabric_logout = qla24xx_fabric_logout, |
| 1389 | .calc_req_entries = NULL, |
| 1390 | .build_iocbs = NULL, |
| 1391 | .prep_ms_iocb = qla24xx_prep_ms_iocb, |
| 1392 | .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb, |
| 1393 | .read_nvram = qla25xx_read_nvram_data, |
| 1394 | .write_nvram = qla25xx_write_nvram_data, |
| 1395 | .fw_dump = qla25xx_fw_dump, |
| 1396 | .beacon_on = qla24xx_beacon_on, |
| 1397 | .beacon_off = qla24xx_beacon_off, |
| 1398 | .beacon_blink = qla24xx_beacon_blink, |
Andrew Vasquez | 338c916 | 2007-09-20 14:07:33 -0700 | [diff] [blame] | 1399 | .read_optrom = qla25xx_read_optrom_data, |
Andrew Vasquez | c3a2f0d | 2007-07-19 20:37:34 -0700 | [diff] [blame] | 1400 | .write_optrom = qla24xx_write_optrom_data, |
| 1401 | .get_flash_version = qla24xx_get_flash_version, |
| 1402 | }; |
| 1403 | |
andrew.vasquez@qlogic.com | ea5b638 | 2006-03-09 14:27:08 -0800 | [diff] [blame] | 1404 | static inline void |
| 1405 | qla2x00_set_isp_flags(scsi_qla_host_t *ha) |
| 1406 | { |
| 1407 | ha->device_type = DT_EXTENDED_IDS; |
| 1408 | switch (ha->pdev->device) { |
| 1409 | case PCI_DEVICE_ID_QLOGIC_ISP2100: |
| 1410 | ha->device_type |= DT_ISP2100; |
| 1411 | ha->device_type &= ~DT_EXTENDED_IDS; |
Andrew Vasquez | 441d107 | 2006-05-17 15:09:34 -0700 | [diff] [blame] | 1412 | ha->fw_srisc_address = RISC_START_ADDRESS_2100; |
andrew.vasquez@qlogic.com | ea5b638 | 2006-03-09 14:27:08 -0800 | [diff] [blame] | 1413 | break; |
| 1414 | case PCI_DEVICE_ID_QLOGIC_ISP2200: |
| 1415 | ha->device_type |= DT_ISP2200; |
| 1416 | ha->device_type &= ~DT_EXTENDED_IDS; |
Andrew Vasquez | 441d107 | 2006-05-17 15:09:34 -0700 | [diff] [blame] | 1417 | ha->fw_srisc_address = RISC_START_ADDRESS_2100; |
andrew.vasquez@qlogic.com | ea5b638 | 2006-03-09 14:27:08 -0800 | [diff] [blame] | 1418 | break; |
| 1419 | case PCI_DEVICE_ID_QLOGIC_ISP2300: |
| 1420 | ha->device_type |= DT_ISP2300; |
andrew.vasquez@qlogic.com | 4a59f71 | 2006-03-09 14:27:39 -0800 | [diff] [blame] | 1421 | ha->device_type |= DT_ZIO_SUPPORTED; |
Andrew Vasquez | 441d107 | 2006-05-17 15:09:34 -0700 | [diff] [blame] | 1422 | ha->fw_srisc_address = RISC_START_ADDRESS_2300; |
andrew.vasquez@qlogic.com | ea5b638 | 2006-03-09 14:27:08 -0800 | [diff] [blame] | 1423 | break; |
| 1424 | case PCI_DEVICE_ID_QLOGIC_ISP2312: |
| 1425 | ha->device_type |= DT_ISP2312; |
andrew.vasquez@qlogic.com | 4a59f71 | 2006-03-09 14:27:39 -0800 | [diff] [blame] | 1426 | ha->device_type |= DT_ZIO_SUPPORTED; |
Andrew Vasquez | 441d107 | 2006-05-17 15:09:34 -0700 | [diff] [blame] | 1427 | ha->fw_srisc_address = RISC_START_ADDRESS_2300; |
andrew.vasquez@qlogic.com | ea5b638 | 2006-03-09 14:27:08 -0800 | [diff] [blame] | 1428 | break; |
| 1429 | case PCI_DEVICE_ID_QLOGIC_ISP2322: |
| 1430 | ha->device_type |= DT_ISP2322; |
andrew.vasquez@qlogic.com | 4a59f71 | 2006-03-09 14:27:39 -0800 | [diff] [blame] | 1431 | ha->device_type |= DT_ZIO_SUPPORTED; |
andrew.vasquez@qlogic.com | ea5b638 | 2006-03-09 14:27:08 -0800 | [diff] [blame] | 1432 | if (ha->pdev->subsystem_vendor == 0x1028 && |
| 1433 | ha->pdev->subsystem_device == 0x0170) |
| 1434 | ha->device_type |= DT_OEM_001; |
Andrew Vasquez | 441d107 | 2006-05-17 15:09:34 -0700 | [diff] [blame] | 1435 | ha->fw_srisc_address = RISC_START_ADDRESS_2300; |
andrew.vasquez@qlogic.com | ea5b638 | 2006-03-09 14:27:08 -0800 | [diff] [blame] | 1436 | break; |
| 1437 | case PCI_DEVICE_ID_QLOGIC_ISP6312: |
| 1438 | ha->device_type |= DT_ISP6312; |
Andrew Vasquez | 441d107 | 2006-05-17 15:09:34 -0700 | [diff] [blame] | 1439 | ha->fw_srisc_address = RISC_START_ADDRESS_2300; |
andrew.vasquez@qlogic.com | ea5b638 | 2006-03-09 14:27:08 -0800 | [diff] [blame] | 1440 | break; |
| 1441 | case PCI_DEVICE_ID_QLOGIC_ISP6322: |
| 1442 | ha->device_type |= DT_ISP6322; |
Andrew Vasquez | 441d107 | 2006-05-17 15:09:34 -0700 | [diff] [blame] | 1443 | ha->fw_srisc_address = RISC_START_ADDRESS_2300; |
andrew.vasquez@qlogic.com | ea5b638 | 2006-03-09 14:27:08 -0800 | [diff] [blame] | 1444 | break; |
| 1445 | case PCI_DEVICE_ID_QLOGIC_ISP2422: |
| 1446 | ha->device_type |= DT_ISP2422; |
andrew.vasquez@qlogic.com | 4a59f71 | 2006-03-09 14:27:39 -0800 | [diff] [blame] | 1447 | ha->device_type |= DT_ZIO_SUPPORTED; |
Andrew Vasquez | e428924 | 2007-07-19 15:05:56 -0700 | [diff] [blame] | 1448 | ha->device_type |= DT_FWI2; |
Andrew Vasquez | c76f2c0 | 2007-07-19 15:05:57 -0700 | [diff] [blame] | 1449 | ha->device_type |= DT_IIDMA; |
Andrew Vasquez | 441d107 | 2006-05-17 15:09:34 -0700 | [diff] [blame] | 1450 | ha->fw_srisc_address = RISC_START_ADDRESS_2400; |
andrew.vasquez@qlogic.com | ea5b638 | 2006-03-09 14:27:08 -0800 | [diff] [blame] | 1451 | break; |
| 1452 | case PCI_DEVICE_ID_QLOGIC_ISP2432: |
| 1453 | ha->device_type |= DT_ISP2432; |
andrew.vasquez@qlogic.com | 4a59f71 | 2006-03-09 14:27:39 -0800 | [diff] [blame] | 1454 | ha->device_type |= DT_ZIO_SUPPORTED; |
Andrew Vasquez | e428924 | 2007-07-19 15:05:56 -0700 | [diff] [blame] | 1455 | ha->device_type |= DT_FWI2; |
Andrew Vasquez | c76f2c0 | 2007-07-19 15:05:57 -0700 | [diff] [blame] | 1456 | ha->device_type |= DT_IIDMA; |
Andrew Vasquez | 441d107 | 2006-05-17 15:09:34 -0700 | [diff] [blame] | 1457 | ha->fw_srisc_address = RISC_START_ADDRESS_2400; |
andrew.vasquez@qlogic.com | ea5b638 | 2006-03-09 14:27:08 -0800 | [diff] [blame] | 1458 | break; |
andrew.vasquez@qlogic.com | 044cc6c | 2006-03-09 14:27:13 -0800 | [diff] [blame] | 1459 | case PCI_DEVICE_ID_QLOGIC_ISP5422: |
| 1460 | ha->device_type |= DT_ISP5422; |
Andrew Vasquez | e428924 | 2007-07-19 15:05:56 -0700 | [diff] [blame] | 1461 | ha->device_type |= DT_FWI2; |
Andrew Vasquez | 441d107 | 2006-05-17 15:09:34 -0700 | [diff] [blame] | 1462 | ha->fw_srisc_address = RISC_START_ADDRESS_2400; |
andrew.vasquez@qlogic.com | ea5b638 | 2006-03-09 14:27:08 -0800 | [diff] [blame] | 1463 | break; |
andrew.vasquez@qlogic.com | 044cc6c | 2006-03-09 14:27:13 -0800 | [diff] [blame] | 1464 | case PCI_DEVICE_ID_QLOGIC_ISP5432: |
| 1465 | ha->device_type |= DT_ISP5432; |
Andrew Vasquez | e428924 | 2007-07-19 15:05:56 -0700 | [diff] [blame] | 1466 | ha->device_type |= DT_FWI2; |
Andrew Vasquez | 441d107 | 2006-05-17 15:09:34 -0700 | [diff] [blame] | 1467 | ha->fw_srisc_address = RISC_START_ADDRESS_2400; |
andrew.vasquez@qlogic.com | ea5b638 | 2006-03-09 14:27:08 -0800 | [diff] [blame] | 1468 | break; |
Andrew Vasquez | c3a2f0d | 2007-07-19 20:37:34 -0700 | [diff] [blame] | 1469 | case PCI_DEVICE_ID_QLOGIC_ISP2532: |
| 1470 | ha->device_type |= DT_ISP2532; |
| 1471 | ha->device_type |= DT_ZIO_SUPPORTED; |
| 1472 | ha->device_type |= DT_FWI2; |
| 1473 | ha->device_type |= DT_IIDMA; |
andrew.vasquez@qlogic.com | ea5b638 | 2006-03-09 14:27:08 -0800 | [diff] [blame] | 1474 | ha->fw_srisc_address = RISC_START_ADDRESS_2400; |
| 1475 | break; |
| 1476 | } |
| 1477 | } |
| 1478 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1479 | static int |
| 1480 | qla2x00_iospace_config(scsi_qla_host_t *ha) |
| 1481 | { |
| 1482 | unsigned long pio, pio_len, pio_flags; |
| 1483 | unsigned long mmio, mmio_len, mmio_flags; |
| 1484 | |
Andrew Vasquez | 285d032 | 2007-10-19 15:59:17 -0700 | [diff] [blame] | 1485 | if (pci_request_selected_regions(ha->pdev, ha->bars, |
| 1486 | QLA2XXX_DRIVER_NAME)) { |
| 1487 | qla_printk(KERN_WARNING, ha, |
| 1488 | "Failed to reserve PIO/MMIO regions (%s)\n", |
| 1489 | pci_name(ha->pdev)); |
| 1490 | |
| 1491 | goto iospace_error_exit; |
| 1492 | } |
| 1493 | if (!(ha->bars & 1)) |
| 1494 | goto skip_pio; |
| 1495 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1496 | /* We only need PIO for Flash operations on ISP2312 v2 chips. */ |
| 1497 | pio = pci_resource_start(ha->pdev, 0); |
| 1498 | pio_len = pci_resource_len(ha->pdev, 0); |
| 1499 | pio_flags = pci_resource_flags(ha->pdev, 0); |
| 1500 | if (pio_flags & IORESOURCE_IO) { |
| 1501 | if (pio_len < MIN_IOBASE_LEN) { |
| 1502 | qla_printk(KERN_WARNING, ha, |
| 1503 | "Invalid PCI I/O region size (%s)...\n", |
| 1504 | pci_name(ha->pdev)); |
| 1505 | pio = 0; |
| 1506 | } |
| 1507 | } else { |
| 1508 | qla_printk(KERN_WARNING, ha, |
| 1509 | "region #0 not a PIO resource (%s)...\n", |
| 1510 | pci_name(ha->pdev)); |
| 1511 | pio = 0; |
| 1512 | } |
Andrew Vasquez | 285d032 | 2007-10-19 15:59:17 -0700 | [diff] [blame] | 1513 | ha->pio_address = pio; |
| 1514 | ha->pio_length = pio_len; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1515 | |
Andrew Vasquez | 285d032 | 2007-10-19 15:59:17 -0700 | [diff] [blame] | 1516 | skip_pio: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1517 | /* Use MMIO operations for all accesses. */ |
| 1518 | mmio = pci_resource_start(ha->pdev, 1); |
| 1519 | mmio_len = pci_resource_len(ha->pdev, 1); |
| 1520 | mmio_flags = pci_resource_flags(ha->pdev, 1); |
| 1521 | |
| 1522 | if (!(mmio_flags & IORESOURCE_MEM)) { |
| 1523 | qla_printk(KERN_ERR, ha, |
| 1524 | "region #0 not an MMIO resource (%s), aborting\n", |
| 1525 | pci_name(ha->pdev)); |
| 1526 | goto iospace_error_exit; |
| 1527 | } |
| 1528 | if (mmio_len < MIN_IOBASE_LEN) { |
| 1529 | qla_printk(KERN_ERR, ha, |
| 1530 | "Invalid PCI mem region size (%s), aborting\n", |
| 1531 | pci_name(ha->pdev)); |
| 1532 | goto iospace_error_exit; |
| 1533 | } |
| 1534 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1535 | ha->iobase = ioremap(mmio, MIN_IOBASE_LEN); |
| 1536 | if (!ha->iobase) { |
| 1537 | qla_printk(KERN_ERR, ha, |
| 1538 | "cannot remap MMIO (%s), aborting\n", pci_name(ha->pdev)); |
| 1539 | |
| 1540 | goto iospace_error_exit; |
| 1541 | } |
| 1542 | |
| 1543 | return (0); |
| 1544 | |
| 1545 | iospace_error_exit: |
| 1546 | return (-ENOMEM); |
| 1547 | } |
| 1548 | |
Andrew Vasquez | abbd887 | 2005-07-06 10:30:05 -0700 | [diff] [blame] | 1549 | static void |
Andrew Vasquez | 1e99e33 | 2006-11-22 08:24:48 -0800 | [diff] [blame] | 1550 | qla2xxx_scan_start(struct Scsi_Host *shost) |
| 1551 | { |
Andrew Vasquez | f363b94 | 2007-09-20 14:07:45 -0700 | [diff] [blame] | 1552 | scsi_qla_host_t *ha = shost_priv(shost); |
Andrew Vasquez | 1e99e33 | 2006-11-22 08:24:48 -0800 | [diff] [blame] | 1553 | |
| 1554 | set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags); |
| 1555 | set_bit(LOCAL_LOOP_UPDATE, &ha->dpc_flags); |
| 1556 | set_bit(RSCN_UPDATE, &ha->dpc_flags); |
| 1557 | } |
| 1558 | |
| 1559 | static int |
| 1560 | qla2xxx_scan_finished(struct Scsi_Host *shost, unsigned long time) |
| 1561 | { |
Andrew Vasquez | f363b94 | 2007-09-20 14:07:45 -0700 | [diff] [blame] | 1562 | scsi_qla_host_t *ha = shost_priv(shost); |
Andrew Vasquez | 1e99e33 | 2006-11-22 08:24:48 -0800 | [diff] [blame] | 1563 | |
| 1564 | if (!ha->host) |
| 1565 | return 1; |
| 1566 | if (time > ha->loop_reset_delay * HZ) |
| 1567 | return 1; |
| 1568 | |
| 1569 | return atomic_read(&ha->loop_state) == LOOP_READY; |
| 1570 | } |
| 1571 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1572 | /* |
| 1573 | * PCI driver interface |
| 1574 | */ |
Andrew Vasquez | 7ee6139 | 2006-06-23 16:11:22 -0700 | [diff] [blame] | 1575 | static int __devinit |
| 1576 | qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1577 | { |
Andrew Vasquez | a1541d5 | 2005-06-09 17:21:28 -0700 | [diff] [blame] | 1578 | int ret = -ENODEV; |
Andrew Vasquez | fca2970 | 2005-07-06 10:31:47 -0700 | [diff] [blame] | 1579 | device_reg_t __iomem *reg; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1580 | struct Scsi_Host *host; |
| 1581 | scsi_qla_host_t *ha; |
| 1582 | unsigned long flags = 0; |
Andrew Vasquez | 29856e2 | 2007-08-12 18:22:52 -0700 | [diff] [blame] | 1583 | char pci_info[30]; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1584 | char fw_str[30]; |
Andrew Vasquez | 5433383 | 2005-11-09 15:49:04 -0800 | [diff] [blame] | 1585 | struct scsi_host_template *sht; |
Andrew Vasquez | 285d032 | 2007-10-19 15:59:17 -0700 | [diff] [blame] | 1586 | int bars; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1587 | |
Andrew Vasquez | 285d032 | 2007-10-19 15:59:17 -0700 | [diff] [blame] | 1588 | bars = pci_select_bars(pdev, IORESOURCE_MEM | IORESOURCE_IO); |
| 1589 | sht = &qla2x00_driver_template; |
| 1590 | if (pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2422 || |
| 1591 | pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2432 || |
| 1592 | pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5422 || |
| 1593 | pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5432 || |
| 1594 | pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2532) { |
| 1595 | bars = pci_select_bars(pdev, IORESOURCE_MEM); |
| 1596 | sht = &qla24xx_driver_template; |
| 1597 | } |
| 1598 | |
| 1599 | if (pci_enable_device_bars(pdev, bars)) |
Andrew Vasquez | a1541d5 | 2005-06-09 17:21:28 -0700 | [diff] [blame] | 1600 | goto probe_out; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1601 | |
Seokmann Ju | 14e660e | 2007-09-20 14:07:36 -0700 | [diff] [blame] | 1602 | if (pci_find_aer_capability(pdev)) |
| 1603 | if (pci_enable_pcie_error_reporting(pdev)) |
| 1604 | goto probe_out; |
| 1605 | |
Andrew Vasquez | 5433383 | 2005-11-09 15:49:04 -0800 | [diff] [blame] | 1606 | host = scsi_host_alloc(sht, sizeof(scsi_qla_host_t)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1607 | if (host == NULL) { |
| 1608 | printk(KERN_WARNING |
| 1609 | "qla2xxx: Couldn't allocate host from scsi layer!\n"); |
| 1610 | goto probe_disable_device; |
| 1611 | } |
| 1612 | |
| 1613 | /* Clear our data area */ |
Andrew Vasquez | f363b94 | 2007-09-20 14:07:45 -0700 | [diff] [blame] | 1614 | ha = shost_priv(host); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1615 | memset(ha, 0, sizeof(scsi_qla_host_t)); |
| 1616 | |
| 1617 | ha->pdev = pdev; |
| 1618 | ha->host = host; |
| 1619 | ha->host_no = host->host_no; |
Andrew Vasquez | cb63067 | 2006-05-17 15:09:45 -0700 | [diff] [blame] | 1620 | sprintf(ha->host_str, "%s_%ld", QLA2XXX_DRIVER_NAME, ha->host_no); |
Seokmann Ju | 2c3dfe3 | 2007-07-05 13:16:51 -0700 | [diff] [blame] | 1621 | ha->parent = NULL; |
Andrew Vasquez | 285d032 | 2007-10-19 15:59:17 -0700 | [diff] [blame] | 1622 | ha->bars = bars; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1623 | |
andrew.vasquez@qlogic.com | ea5b638 | 2006-03-09 14:27:08 -0800 | [diff] [blame] | 1624 | /* Set ISP-type information. */ |
| 1625 | qla2x00_set_isp_flags(ha); |
| 1626 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1627 | /* Configure PCI I/O space */ |
| 1628 | ret = qla2x00_iospace_config(ha); |
Andrew Vasquez | a1541d5 | 2005-06-09 17:21:28 -0700 | [diff] [blame] | 1629 | if (ret) |
| 1630 | goto probe_failed; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1631 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1632 | qla_printk(KERN_INFO, ha, |
Andrew Vasquez | 5433383 | 2005-11-09 15:49:04 -0800 | [diff] [blame] | 1633 | "Found an ISP%04X, irq %d, iobase 0x%p\n", pdev->device, pdev->irq, |
| 1634 | ha->iobase); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1635 | |
| 1636 | spin_lock_init(&ha->hardware_lock); |
| 1637 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1638 | ha->prev_topology = 0; |
Andrew Vasquez | fca2970 | 2005-07-06 10:31:47 -0700 | [diff] [blame] | 1639 | ha->init_cb_size = sizeof(init_cb_t); |
Seokmann Ju | 2c3dfe3 | 2007-07-05 13:16:51 -0700 | [diff] [blame] | 1640 | ha->mgmt_svr_loop_id = MANAGEMENT_SERVER + ha->vp_idx; |
Andrew Vasquez | d8b4521 | 2006-10-02 12:00:43 -0700 | [diff] [blame] | 1641 | ha->link_data_rate = PORT_SPEED_UNKNOWN; |
andrew.vasquez@qlogic.com | 854165f | 2006-01-31 16:05:17 -0800 | [diff] [blame] | 1642 | ha->optrom_size = OPTROM_SIZE_2300; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1643 | |
Andrew Vasquez | df7baa5 | 2006-10-13 09:33:39 -0700 | [diff] [blame] | 1644 | ha->max_q_depth = MAX_Q_DEPTH; |
| 1645 | if (ql2xmaxqdepth != 0 && ql2xmaxqdepth <= 0xffffU) |
| 1646 | ha->max_q_depth = ql2xmaxqdepth; |
| 1647 | |
Andrew Vasquez | abbd887 | 2005-07-06 10:30:05 -0700 | [diff] [blame] | 1648 | /* Assign ISP specific operations. */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1649 | if (IS_QLA2100(ha)) { |
Andrew Vasquez | 354d6b2 | 2005-04-23 02:47:27 -0400 | [diff] [blame] | 1650 | host->max_id = MAX_TARGETS_2100; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1651 | ha->mbx_count = MAILBOX_REGISTER_COUNT_2100; |
| 1652 | ha->request_q_length = REQUEST_ENTRY_CNT_2100; |
| 1653 | ha->response_q_length = RESPONSE_ENTRY_CNT_2100; |
| 1654 | ha->last_loop_id = SNS_LAST_LOOP_ID_2100; |
| 1655 | host->sg_tablesize = 32; |
Andrew Vasquez | abbd887 | 2005-07-06 10:30:05 -0700 | [diff] [blame] | 1656 | ha->gid_list_info_size = 4; |
Andrew Vasquez | fd34f55 | 2007-07-19 15:06:00 -0700 | [diff] [blame] | 1657 | ha->isp_ops = &qla2100_isp_ops; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1658 | } else if (IS_QLA2200(ha)) { |
Andrew Vasquez | 354d6b2 | 2005-04-23 02:47:27 -0400 | [diff] [blame] | 1659 | host->max_id = MAX_TARGETS_2200; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1660 | ha->mbx_count = MAILBOX_REGISTER_COUNT; |
| 1661 | ha->request_q_length = REQUEST_ENTRY_CNT_2200; |
| 1662 | ha->response_q_length = RESPONSE_ENTRY_CNT_2100; |
| 1663 | ha->last_loop_id = SNS_LAST_LOOP_ID_2100; |
Andrew Vasquez | abbd887 | 2005-07-06 10:30:05 -0700 | [diff] [blame] | 1664 | ha->gid_list_info_size = 4; |
Andrew Vasquez | fd34f55 | 2007-07-19 15:06:00 -0700 | [diff] [blame] | 1665 | ha->isp_ops = &qla2100_isp_ops; |
Andrew Vasquez | fca2970 | 2005-07-06 10:31:47 -0700 | [diff] [blame] | 1666 | } else if (IS_QLA23XX(ha)) { |
Andrew Vasquez | 354d6b2 | 2005-04-23 02:47:27 -0400 | [diff] [blame] | 1667 | host->max_id = MAX_TARGETS_2200; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1668 | ha->mbx_count = MAILBOX_REGISTER_COUNT; |
| 1669 | ha->request_q_length = REQUEST_ENTRY_CNT_2200; |
| 1670 | ha->response_q_length = RESPONSE_ENTRY_CNT_2300; |
| 1671 | ha->last_loop_id = SNS_LAST_LOOP_ID_2300; |
Andrew Vasquez | abbd887 | 2005-07-06 10:30:05 -0700 | [diff] [blame] | 1672 | ha->gid_list_info_size = 6; |
andrew.vasquez@qlogic.com | 854165f | 2006-01-31 16:05:17 -0800 | [diff] [blame] | 1673 | if (IS_QLA2322(ha) || IS_QLA6322(ha)) |
| 1674 | ha->optrom_size = OPTROM_SIZE_2322; |
Andrew Vasquez | fd34f55 | 2007-07-19 15:06:00 -0700 | [diff] [blame] | 1675 | ha->isp_ops = &qla2300_isp_ops; |
andrew.vasquez@qlogic.com | 044cc6c | 2006-03-09 14:27:13 -0800 | [diff] [blame] | 1676 | } else if (IS_QLA24XX(ha) || IS_QLA54XX(ha)) { |
Andrew Vasquez | fca2970 | 2005-07-06 10:31:47 -0700 | [diff] [blame] | 1677 | host->max_id = MAX_TARGETS_2200; |
| 1678 | ha->mbx_count = MAILBOX_REGISTER_COUNT; |
| 1679 | ha->request_q_length = REQUEST_ENTRY_CNT_24XX; |
| 1680 | ha->response_q_length = RESPONSE_ENTRY_CNT_2300; |
| 1681 | ha->last_loop_id = SNS_LAST_LOOP_ID_2300; |
Seokmann Ju | 2c3dfe3 | 2007-07-05 13:16:51 -0700 | [diff] [blame] | 1682 | ha->init_cb_size = sizeof(struct mid_init_cb_24xx); |
| 1683 | ha->mgmt_svr_loop_id = 10 + ha->vp_idx; |
Andrew Vasquez | fca2970 | 2005-07-06 10:31:47 -0700 | [diff] [blame] | 1684 | ha->gid_list_info_size = 8; |
andrew.vasquez@qlogic.com | 854165f | 2006-01-31 16:05:17 -0800 | [diff] [blame] | 1685 | ha->optrom_size = OPTROM_SIZE_24XX; |
Andrew Vasquez | fd34f55 | 2007-07-19 15:06:00 -0700 | [diff] [blame] | 1686 | ha->isp_ops = &qla24xx_isp_ops; |
Andrew Vasquez | c3a2f0d | 2007-07-19 20:37:34 -0700 | [diff] [blame] | 1687 | } else if (IS_QLA25XX(ha)) { |
| 1688 | host->max_id = MAX_TARGETS_2200; |
| 1689 | ha->mbx_count = MAILBOX_REGISTER_COUNT; |
| 1690 | ha->request_q_length = REQUEST_ENTRY_CNT_24XX; |
| 1691 | ha->response_q_length = RESPONSE_ENTRY_CNT_2300; |
| 1692 | ha->last_loop_id = SNS_LAST_LOOP_ID_2300; |
| 1693 | ha->init_cb_size = sizeof(struct mid_init_cb_24xx); |
| 1694 | ha->mgmt_svr_loop_id = 10 + ha->vp_idx; |
| 1695 | ha->gid_list_info_size = 8; |
| 1696 | ha->optrom_size = OPTROM_SIZE_25XX; |
| 1697 | ha->isp_ops = &qla25xx_isp_ops; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1698 | } |
| 1699 | host->can_queue = ha->request_q_length + 128; |
| 1700 | |
| 1701 | /* load the F/W, read paramaters, and init the H/W */ |
| 1702 | ha->instance = num_hosts; |
| 1703 | |
| 1704 | init_MUTEX(&ha->mbx_cmd_sem); |
Seokmann Ju | 2c3dfe3 | 2007-07-05 13:16:51 -0700 | [diff] [blame] | 1705 | init_MUTEX(&ha->vport_sem); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1706 | init_MUTEX_LOCKED(&ha->mbx_intr_sem); |
| 1707 | |
| 1708 | INIT_LIST_HEAD(&ha->list); |
| 1709 | INIT_LIST_HEAD(&ha->fcports); |
Seokmann Ju | 2c3dfe3 | 2007-07-05 13:16:51 -0700 | [diff] [blame] | 1710 | INIT_LIST_HEAD(&ha->vp_list); |
| 1711 | |
| 1712 | set_bit(0, (unsigned long *) ha->vp_idx_map); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1713 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1714 | qla2x00_config_dma_addressing(ha); |
| 1715 | if (qla2x00_mem_alloc(ha)) { |
| 1716 | qla_printk(KERN_WARNING, ha, |
| 1717 | "[ERROR] Failed to allocate memory for adapter\n"); |
| 1718 | |
Andrew Vasquez | a1541d5 | 2005-06-09 17:21:28 -0700 | [diff] [blame] | 1719 | ret = -ENOMEM; |
| 1720 | goto probe_failed; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1721 | } |
| 1722 | |
Andrew Vasquez | 765140b | 2007-05-07 07:42:58 -0700 | [diff] [blame] | 1723 | if (qla2x00_initialize_adapter(ha)) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1724 | qla_printk(KERN_WARNING, ha, |
| 1725 | "Failed to initialize adapter\n"); |
| 1726 | |
| 1727 | DEBUG2(printk("scsi(%ld): Failed to initialize adapter - " |
| 1728 | "Adapter flags %x.\n", |
| 1729 | ha->host_no, ha->device_flags)); |
| 1730 | |
Andrew Vasquez | a1541d5 | 2005-06-09 17:21:28 -0700 | [diff] [blame] | 1731 | ret = -ENODEV; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1732 | goto probe_failed; |
| 1733 | } |
| 1734 | |
| 1735 | /* |
| 1736 | * Startup the kernel thread for this host adapter |
| 1737 | */ |
Christoph Hellwig | 39a1124 | 2006-02-14 18:46:22 +0100 | [diff] [blame] | 1738 | ha->dpc_thread = kthread_create(qla2x00_do_dpc, ha, |
| 1739 | "%s_dpc", ha->host_str); |
| 1740 | if (IS_ERR(ha->dpc_thread)) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1741 | qla_printk(KERN_WARNING, ha, |
| 1742 | "Unable to start DPC thread!\n"); |
Christoph Hellwig | 39a1124 | 2006-02-14 18:46:22 +0100 | [diff] [blame] | 1743 | ret = PTR_ERR(ha->dpc_thread); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1744 | goto probe_failed; |
| 1745 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1746 | |
Andrew Vasquez | a1541d5 | 2005-06-09 17:21:28 -0700 | [diff] [blame] | 1747 | host->this_id = 255; |
| 1748 | host->cmd_per_lun = 3; |
| 1749 | host->unique_id = ha->instance; |
| 1750 | host->max_cmd_len = MAX_CMDSZ; |
Andrew Vasquez | 75bc419 | 2006-05-17 15:09:22 -0700 | [diff] [blame] | 1751 | host->max_channel = MAX_BUSES - 1; |
Andrew Vasquez | a1541d5 | 2005-06-09 17:21:28 -0700 | [diff] [blame] | 1752 | host->max_lun = MAX_LUNS; |
| 1753 | host->transportt = qla2xxx_transport_template; |
| 1754 | |
Andrew Vasquez | a8488ab | 2007-01-29 10:22:19 -0800 | [diff] [blame] | 1755 | ret = qla2x00_request_irqs(ha); |
| 1756 | if (ret) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1757 | goto probe_failed; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1758 | |
| 1759 | /* Initialized the timer */ |
| 1760 | qla2x00_start_timer(ha, qla2x00_timer, WATCH_INTERVAL); |
| 1761 | |
| 1762 | DEBUG2(printk("DEBUG: detect hba %ld at address = %p\n", |
| 1763 | ha->host_no, ha)); |
| 1764 | |
Andrew Vasquez | fd34f55 | 2007-07-19 15:06:00 -0700 | [diff] [blame] | 1765 | ha->isp_ops->disable_intrs(ha); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1766 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1767 | spin_lock_irqsave(&ha->hardware_lock, flags); |
Andrew Vasquez | fca2970 | 2005-07-06 10:31:47 -0700 | [diff] [blame] | 1768 | reg = ha->iobase; |
Andrew Vasquez | e428924 | 2007-07-19 15:05:56 -0700 | [diff] [blame] | 1769 | if (IS_FWI2_CAPABLE(ha)) { |
Andrew Vasquez | fca2970 | 2005-07-06 10:31:47 -0700 | [diff] [blame] | 1770 | WRT_REG_DWORD(®->isp24.hccr, HCCRX_CLR_HOST_INT); |
| 1771 | WRT_REG_DWORD(®->isp24.hccr, HCCRX_CLR_RISC_INT); |
| 1772 | } else { |
| 1773 | WRT_REG_WORD(®->isp.semaphore, 0); |
| 1774 | WRT_REG_WORD(®->isp.hccr, HCCR_CLR_RISC_INT); |
| 1775 | WRT_REG_WORD(®->isp.hccr, HCCR_CLR_HOST_INT); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1776 | |
Andrew Vasquez | fca2970 | 2005-07-06 10:31:47 -0700 | [diff] [blame] | 1777 | /* Enable proper parity */ |
| 1778 | if (!IS_QLA2100(ha) && !IS_QLA2200(ha)) { |
| 1779 | if (IS_QLA2300(ha)) |
| 1780 | /* SRAM parity */ |
| 1781 | WRT_REG_WORD(®->isp.hccr, |
| 1782 | (HCCR_ENABLE_PARITY + 0x1)); |
| 1783 | else |
| 1784 | /* SRAM, Instruction RAM and GP RAM parity */ |
| 1785 | WRT_REG_WORD(®->isp.hccr, |
| 1786 | (HCCR_ENABLE_PARITY + 0x7)); |
| 1787 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1788 | } |
| 1789 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
| 1790 | |
Andrew Vasquez | fd34f55 | 2007-07-19 15:06:00 -0700 | [diff] [blame] | 1791 | ha->isp_ops->enable_intrs(ha); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1792 | |
Andrew Vasquez | a1541d5 | 2005-06-09 17:21:28 -0700 | [diff] [blame] | 1793 | pci_set_drvdata(pdev, ha); |
Andrew Vasquez | d19044c | 2006-11-22 08:22:19 -0800 | [diff] [blame] | 1794 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1795 | ha->flags.init_done = 1; |
Andrew Vasquez | d19044c | 2006-11-22 08:22:19 -0800 | [diff] [blame] | 1796 | ha->flags.online = 1; |
| 1797 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1798 | num_hosts++; |
| 1799 | |
Andrew Vasquez | a1541d5 | 2005-06-09 17:21:28 -0700 | [diff] [blame] | 1800 | ret = scsi_add_host(host, &pdev->dev); |
| 1801 | if (ret) |
| 1802 | goto probe_failed; |
| 1803 | |
Andrew Vasquez | 1e99e33 | 2006-11-22 08:24:48 -0800 | [diff] [blame] | 1804 | scsi_scan_host(host); |
| 1805 | |
Andrew Vasquez | a1541d5 | 2005-06-09 17:21:28 -0700 | [diff] [blame] | 1806 | qla2x00_alloc_sysfs_attr(ha); |
| 1807 | |
| 1808 | qla2x00_init_host_attr(ha); |
| 1809 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1810 | qla_printk(KERN_INFO, ha, "\n" |
| 1811 | " QLogic Fibre Channel HBA Driver: %s\n" |
| 1812 | " QLogic %s - %s\n" |
Andrew Vasquez | 5433383 | 2005-11-09 15:49:04 -0800 | [diff] [blame] | 1813 | " ISP%04X: %s @ %s hdma%c, host#=%ld, fw=%s\n", |
| 1814 | qla2x00_version_str, ha->model_number, |
| 1815 | ha->model_desc ? ha->model_desc: "", pdev->device, |
Andrew Vasquez | fd34f55 | 2007-07-19 15:06:00 -0700 | [diff] [blame] | 1816 | ha->isp_ops->pci_info_str(ha, pci_info), pci_name(pdev), |
Andrew Vasquez | 5433383 | 2005-11-09 15:49:04 -0800 | [diff] [blame] | 1817 | ha->flags.enable_64bit_addressing ? '+': '-', ha->host_no, |
Andrew Vasquez | fd34f55 | 2007-07-19 15:06:00 -0700 | [diff] [blame] | 1818 | ha->isp_ops->fw_version_str(ha, fw_str)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1819 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1820 | return 0; |
| 1821 | |
| 1822 | probe_failed: |
| 1823 | qla2x00_free_device(ha); |
| 1824 | |
| 1825 | scsi_host_put(host); |
| 1826 | |
| 1827 | probe_disable_device: |
| 1828 | pci_disable_device(pdev); |
| 1829 | |
Andrew Vasquez | a1541d5 | 2005-06-09 17:21:28 -0700 | [diff] [blame] | 1830 | probe_out: |
| 1831 | return ret; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1832 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1833 | |
Andrew Vasquez | 7ee6139 | 2006-06-23 16:11:22 -0700 | [diff] [blame] | 1834 | static void __devexit |
| 1835 | qla2x00_remove_one(struct pci_dev *pdev) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1836 | { |
| 1837 | scsi_qla_host_t *ha; |
| 1838 | |
| 1839 | ha = pci_get_drvdata(pdev); |
| 1840 | |
| 8482e118 | 2005-04-17 15:04:54 -0500 | [diff] [blame] | 1841 | qla2x00_free_sysfs_attr(ha); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1842 | |
| bdf7962 | 2005-04-17 15:06:53 -0500 | [diff] [blame] | 1843 | fc_remove_host(ha->host); |
| 1844 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1845 | scsi_remove_host(ha->host); |
| 1846 | |
| 1847 | qla2x00_free_device(ha); |
| 1848 | |
| 1849 | scsi_host_put(ha->host); |
| 1850 | |
Bernhard Walle | 665db93 | 2007-03-28 00:49:49 +0200 | [diff] [blame] | 1851 | pci_disable_device(pdev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1852 | pci_set_drvdata(pdev, NULL); |
| 1853 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1854 | |
| 1855 | static void |
| 1856 | qla2x00_free_device(scsi_qla_host_t *ha) |
| 1857 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1858 | /* Disable timer */ |
| 1859 | if (ha->timer_active) |
| 1860 | qla2x00_stop_timer(ha); |
| 1861 | |
| 1862 | /* Kill the kernel thread for this host */ |
Christoph Hellwig | 39a1124 | 2006-02-14 18:46:22 +0100 | [diff] [blame] | 1863 | if (ha->dpc_thread) { |
| 1864 | struct task_struct *t = ha->dpc_thread; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1865 | |
Christoph Hellwig | 39a1124 | 2006-02-14 18:46:22 +0100 | [diff] [blame] | 1866 | /* |
| 1867 | * qla2xxx_wake_dpc checks for ->dpc_thread |
| 1868 | * so we need to zero it out. |
| 1869 | */ |
| 1870 | ha->dpc_thread = NULL; |
| 1871 | kthread_stop(t); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1872 | } |
| 1873 | |
Andrew Vasquez | a7a167b | 2006-06-23 16:10:29 -0700 | [diff] [blame] | 1874 | if (ha->eft) |
| 1875 | qla2x00_trace_control(ha, TC_DISABLE, 0, 0); |
| 1876 | |
Andrew Vasquez | 18c6c12 | 2006-10-13 09:33:38 -0700 | [diff] [blame] | 1877 | ha->flags.online = 0; |
| 1878 | |
Andrew Vasquez | f6ef3b1 | 2005-08-26 19:10:20 -0700 | [diff] [blame] | 1879 | /* Stop currently executing firmware. */ |
Andrew Vasquez | 18c6c12 | 2006-10-13 09:33:38 -0700 | [diff] [blame] | 1880 | qla2x00_try_to_stop_firmware(ha); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1881 | |
Andrew Vasquez | f6ef3b1 | 2005-08-26 19:10:20 -0700 | [diff] [blame] | 1882 | /* turn-off interrupts on the card */ |
| 1883 | if (ha->interrupts_on) |
Andrew Vasquez | fd34f55 | 2007-07-19 15:06:00 -0700 | [diff] [blame] | 1884 | ha->isp_ops->disable_intrs(ha); |
Andrew Vasquez | f6ef3b1 | 2005-08-26 19:10:20 -0700 | [diff] [blame] | 1885 | |
| 1886 | qla2x00_mem_free(ha); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1887 | |
Andrew Vasquez | a8488ab | 2007-01-29 10:22:19 -0800 | [diff] [blame] | 1888 | qla2x00_free_irqs(ha); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1889 | |
| 1890 | /* release io space registers */ |
| 1891 | if (ha->iobase) |
| 1892 | iounmap(ha->iobase); |
Andrew Vasquez | 285d032 | 2007-10-19 15:59:17 -0700 | [diff] [blame] | 1893 | pci_release_selected_regions(ha->pdev, ha->bars); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1894 | } |
| 1895 | |
andrew.vasquez@qlogic.com | d97994d | 2006-01-20 14:53:13 -0800 | [diff] [blame] | 1896 | static inline void |
| 1897 | qla2x00_schedule_rport_del(struct scsi_qla_host *ha, fc_port_t *fcport, |
| 1898 | int defer) |
| 1899 | { |
| 1900 | unsigned long flags; |
| 1901 | struct fc_rport *rport; |
| 1902 | |
| 1903 | if (!fcport->rport) |
| 1904 | return; |
| 1905 | |
| 1906 | rport = fcport->rport; |
| 1907 | if (defer) { |
| 1908 | spin_lock_irqsave(&fcport->rport_lock, flags); |
| 1909 | fcport->drport = rport; |
| 1910 | fcport->rport = NULL; |
andrew.vasquez@qlogic.com | 387f96b | 2006-02-07 08:45:45 -0800 | [diff] [blame] | 1911 | *(fc_port_t **)rport->dd_data = NULL; |
andrew.vasquez@qlogic.com | d97994d | 2006-01-20 14:53:13 -0800 | [diff] [blame] | 1912 | spin_unlock_irqrestore(&fcport->rport_lock, flags); |
| 1913 | set_bit(FCPORT_UPDATE_NEEDED, &ha->dpc_flags); |
| 1914 | } else { |
| 1915 | spin_lock_irqsave(&fcport->rport_lock, flags); |
| 1916 | fcport->rport = NULL; |
andrew.vasquez@qlogic.com | 387f96b | 2006-02-07 08:45:45 -0800 | [diff] [blame] | 1917 | *(fc_port_t **)rport->dd_data = NULL; |
andrew.vasquez@qlogic.com | d97994d | 2006-01-20 14:53:13 -0800 | [diff] [blame] | 1918 | spin_unlock_irqrestore(&fcport->rport_lock, flags); |
| 1919 | fc_remote_port_delete(rport); |
| 1920 | } |
| 1921 | } |
| 1922 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1923 | /* |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1924 | * qla2x00_mark_device_lost Updates fcport state when device goes offline. |
| 1925 | * |
| 1926 | * Input: ha = adapter block pointer. fcport = port structure pointer. |
| 1927 | * |
| 1928 | * Return: None. |
| 1929 | * |
| 1930 | * Context: |
| 1931 | */ |
| 1932 | void qla2x00_mark_device_lost(scsi_qla_host_t *ha, fc_port_t *fcport, |
andrew.vasquez@qlogic.com | d97994d | 2006-01-20 14:53:13 -0800 | [diff] [blame] | 1933 | int do_login, int defer) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1934 | { |
Seokmann Ju | 2c3dfe3 | 2007-07-05 13:16:51 -0700 | [diff] [blame] | 1935 | if (atomic_read(&fcport->state) == FCS_ONLINE && |
| 1936 | ha->vp_idx == fcport->vp_idx) |
andrew.vasquez@qlogic.com | d97994d | 2006-01-20 14:53:13 -0800 | [diff] [blame] | 1937 | qla2x00_schedule_rport_del(ha, fcport, defer); |
James.Smart@Emulex.Com | 19a7b4a | 2005-10-18 12:03:35 -0400 | [diff] [blame] | 1938 | |
Andrew Vasquez | fa2a1ce | 2005-07-06 10:32:07 -0700 | [diff] [blame] | 1939 | /* |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1940 | * We may need to retry the login, so don't change the state of the |
| 1941 | * port but do the retries. |
| 1942 | */ |
| 1943 | if (atomic_read(&fcport->state) != FCS_DEVICE_DEAD) |
| 1944 | atomic_set(&fcport->state, FCS_DEVICE_LOST); |
| 1945 | |
| 1946 | if (!do_login) |
| 1947 | return; |
| 1948 | |
| 1949 | if (fcport->login_retry == 0) { |
| 1950 | fcport->login_retry = ha->login_retry_count; |
| 1951 | set_bit(RELOGIN_NEEDED, &ha->dpc_flags); |
| 1952 | |
| 1953 | DEBUG(printk("scsi(%ld): Port login retry: " |
| 1954 | "%02x%02x%02x%02x%02x%02x%02x%02x, " |
| 1955 | "id = 0x%04x retry cnt=%d\n", |
| 1956 | ha->host_no, |
| 1957 | fcport->port_name[0], |
| 1958 | fcport->port_name[1], |
| 1959 | fcport->port_name[2], |
| 1960 | fcport->port_name[3], |
| 1961 | fcport->port_name[4], |
| 1962 | fcport->port_name[5], |
| 1963 | fcport->port_name[6], |
| 1964 | fcport->port_name[7], |
| 1965 | fcport->loop_id, |
| 1966 | fcport->login_retry)); |
| 1967 | } |
| 1968 | } |
| 1969 | |
| 1970 | /* |
| 1971 | * qla2x00_mark_all_devices_lost |
| 1972 | * Updates fcport state when device goes offline. |
| 1973 | * |
| 1974 | * Input: |
| 1975 | * ha = adapter block pointer. |
| 1976 | * fcport = port structure pointer. |
| 1977 | * |
| 1978 | * Return: |
| 1979 | * None. |
| 1980 | * |
| 1981 | * Context: |
| 1982 | */ |
| 1983 | void |
andrew.vasquez@qlogic.com | d97994d | 2006-01-20 14:53:13 -0800 | [diff] [blame] | 1984 | qla2x00_mark_all_devices_lost(scsi_qla_host_t *ha, int defer) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1985 | { |
| 1986 | fc_port_t *fcport; |
Seokmann Ju | 2c3dfe3 | 2007-07-05 13:16:51 -0700 | [diff] [blame] | 1987 | scsi_qla_host_t *pha = to_qla_parent(ha); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1988 | |
Seokmann Ju | 2c3dfe3 | 2007-07-05 13:16:51 -0700 | [diff] [blame] | 1989 | list_for_each_entry(fcport, &pha->fcports, list) { |
| 1990 | if (ha->vp_idx != 0 && ha->vp_idx != fcport->vp_idx) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1991 | continue; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1992 | /* |
| 1993 | * No point in marking the device as lost, if the device is |
| 1994 | * already DEAD. |
| 1995 | */ |
| 1996 | if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD) |
| 1997 | continue; |
Seokmann Ju | 2c3dfe3 | 2007-07-05 13:16:51 -0700 | [diff] [blame] | 1998 | if (atomic_read(&fcport->state) == FCS_ONLINE) { |
| 1999 | if (defer) |
| 2000 | qla2x00_schedule_rport_del(ha, fcport, defer); |
| 2001 | else if (ha->vp_idx == fcport->vp_idx) |
| 2002 | qla2x00_schedule_rport_del(ha, fcport, defer); |
| 2003 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2004 | atomic_set(&fcport->state, FCS_DEVICE_LOST); |
| 2005 | } |
andrew.vasquez@qlogic.com | d97994d | 2006-01-20 14:53:13 -0800 | [diff] [blame] | 2006 | |
Christoph Hellwig | 39a1124 | 2006-02-14 18:46:22 +0100 | [diff] [blame] | 2007 | if (defer) |
| 2008 | qla2xxx_wake_dpc(ha); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2009 | } |
| 2010 | |
| 2011 | /* |
| 2012 | * qla2x00_mem_alloc |
| 2013 | * Allocates adapter memory. |
| 2014 | * |
| 2015 | * Returns: |
| 2016 | * 0 = success. |
| 2017 | * 1 = failure. |
| 2018 | */ |
Seokmann Ju | 2c3dfe3 | 2007-07-05 13:16:51 -0700 | [diff] [blame] | 2019 | uint8_t |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2020 | qla2x00_mem_alloc(scsi_qla_host_t *ha) |
| 2021 | { |
| 2022 | char name[16]; |
| 2023 | uint8_t status = 1; |
| 2024 | int retry= 10; |
| 2025 | |
| 2026 | do { |
| 2027 | /* |
| 2028 | * This will loop only once if everything goes well, else some |
| 2029 | * number of retries will be performed to get around a kernel |
| 2030 | * bug where available mem is not allocated until after a |
| 2031 | * little delay and a retry. |
| 2032 | */ |
| 2033 | ha->request_ring = dma_alloc_coherent(&ha->pdev->dev, |
| 2034 | (ha->request_q_length + 1) * sizeof(request_t), |
| 2035 | &ha->request_dma, GFP_KERNEL); |
| 2036 | if (ha->request_ring == NULL) { |
| 2037 | qla_printk(KERN_WARNING, ha, |
| 2038 | "Memory Allocation failed - request_ring\n"); |
| 2039 | |
| 2040 | qla2x00_mem_free(ha); |
| 2041 | msleep(100); |
| 2042 | |
| 2043 | continue; |
| 2044 | } |
| 2045 | |
| 2046 | ha->response_ring = dma_alloc_coherent(&ha->pdev->dev, |
| 2047 | (ha->response_q_length + 1) * sizeof(response_t), |
| 2048 | &ha->response_dma, GFP_KERNEL); |
| 2049 | if (ha->response_ring == NULL) { |
| 2050 | qla_printk(KERN_WARNING, ha, |
| 2051 | "Memory Allocation failed - response_ring\n"); |
| 2052 | |
| 2053 | qla2x00_mem_free(ha); |
| 2054 | msleep(100); |
| 2055 | |
| 2056 | continue; |
| 2057 | } |
| 2058 | |
| 2059 | ha->gid_list = dma_alloc_coherent(&ha->pdev->dev, GID_LIST_SIZE, |
| 2060 | &ha->gid_list_dma, GFP_KERNEL); |
| 2061 | if (ha->gid_list == NULL) { |
| 2062 | qla_printk(KERN_WARNING, ha, |
| 2063 | "Memory Allocation failed - gid_list\n"); |
| 2064 | |
| 2065 | qla2x00_mem_free(ha); |
| 2066 | msleep(100); |
| 2067 | |
| 2068 | continue; |
| 2069 | } |
| 2070 | |
Seokmann Ju | 2c3dfe3 | 2007-07-05 13:16:51 -0700 | [diff] [blame] | 2071 | /* get consistent memory allocated for init control block */ |
| 2072 | ha->init_cb = dma_alloc_coherent(&ha->pdev->dev, |
| 2073 | ha->init_cb_size, &ha->init_cb_dma, GFP_KERNEL); |
| 2074 | if (ha->init_cb == NULL) { |
| 2075 | qla_printk(KERN_WARNING, ha, |
| 2076 | "Memory Allocation failed - init_cb\n"); |
| 2077 | |
| 2078 | qla2x00_mem_free(ha); |
| 2079 | msleep(100); |
| 2080 | |
| 2081 | continue; |
| 2082 | } |
| 2083 | memset(ha->init_cb, 0, ha->init_cb_size); |
| 2084 | |
Andrew Vasquez | cb63067 | 2006-05-17 15:09:45 -0700 | [diff] [blame] | 2085 | snprintf(name, sizeof(name), "%s_%ld", QLA2XXX_DRIVER_NAME, |
| 2086 | ha->host_no); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2087 | ha->s_dma_pool = dma_pool_create(name, &ha->pdev->dev, |
| 2088 | DMA_POOL_SIZE, 8, 0); |
| 2089 | if (ha->s_dma_pool == NULL) { |
| 2090 | qla_printk(KERN_WARNING, ha, |
| 2091 | "Memory Allocation failed - s_dma_pool\n"); |
| 2092 | |
| 2093 | qla2x00_mem_free(ha); |
| 2094 | msleep(100); |
| 2095 | |
| 2096 | continue; |
| 2097 | } |
| 2098 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2099 | if (qla2x00_allocate_sp_pool(ha)) { |
| 2100 | qla_printk(KERN_WARNING, ha, |
| 2101 | "Memory Allocation failed - " |
| 2102 | "qla2x00_allocate_sp_pool()\n"); |
| 2103 | |
| 2104 | qla2x00_mem_free(ha); |
| 2105 | msleep(100); |
| 2106 | |
| 2107 | continue; |
| 2108 | } |
| 2109 | |
| 2110 | /* Allocate memory for SNS commands */ |
| 2111 | if (IS_QLA2100(ha) || IS_QLA2200(ha)) { |
| 2112 | /* Get consistent memory allocated for SNS commands */ |
| 2113 | ha->sns_cmd = dma_alloc_coherent(&ha->pdev->dev, |
| 2114 | sizeof(struct sns_cmd_pkt), &ha->sns_cmd_dma, |
| 2115 | GFP_KERNEL); |
| 2116 | if (ha->sns_cmd == NULL) { |
| 2117 | /* error */ |
| 2118 | qla_printk(KERN_WARNING, ha, |
| 2119 | "Memory Allocation failed - sns_cmd\n"); |
| 2120 | |
| 2121 | qla2x00_mem_free(ha); |
| 2122 | msleep(100); |
| 2123 | |
| 2124 | continue; |
| 2125 | } |
| 2126 | memset(ha->sns_cmd, 0, sizeof(struct sns_cmd_pkt)); |
| 2127 | } else { |
| 2128 | /* Get consistent memory allocated for MS IOCB */ |
| 2129 | ha->ms_iocb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, |
| 2130 | &ha->ms_iocb_dma); |
| 2131 | if (ha->ms_iocb == NULL) { |
| 2132 | /* error */ |
| 2133 | qla_printk(KERN_WARNING, ha, |
| 2134 | "Memory Allocation failed - ms_iocb\n"); |
| 2135 | |
| 2136 | qla2x00_mem_free(ha); |
| 2137 | msleep(100); |
| 2138 | |
| 2139 | continue; |
| 2140 | } |
| 2141 | memset(ha->ms_iocb, 0, sizeof(ms_iocb_entry_t)); |
| 2142 | |
| 2143 | /* |
| 2144 | * Get consistent memory allocated for CT SNS |
| 2145 | * commands |
| 2146 | */ |
| 2147 | ha->ct_sns = dma_alloc_coherent(&ha->pdev->dev, |
| 2148 | sizeof(struct ct_sns_pkt), &ha->ct_sns_dma, |
| 2149 | GFP_KERNEL); |
| 2150 | if (ha->ct_sns == NULL) { |
| 2151 | /* error */ |
| 2152 | qla_printk(KERN_WARNING, ha, |
| 2153 | "Memory Allocation failed - ct_sns\n"); |
| 2154 | |
| 2155 | qla2x00_mem_free(ha); |
| 2156 | msleep(100); |
| 2157 | |
| 2158 | continue; |
| 2159 | } |
| 2160 | memset(ha->ct_sns, 0, sizeof(struct ct_sns_pkt)); |
Andrew Vasquez | 88729e5 | 2006-06-23 16:10:50 -0700 | [diff] [blame] | 2161 | |
Andrew Vasquez | e428924 | 2007-07-19 15:05:56 -0700 | [diff] [blame] | 2162 | if (IS_FWI2_CAPABLE(ha)) { |
Andrew Vasquez | 88729e5 | 2006-06-23 16:10:50 -0700 | [diff] [blame] | 2163 | /* |
| 2164 | * Get consistent memory allocated for SFP |
| 2165 | * block. |
| 2166 | */ |
| 2167 | ha->sfp_data = dma_pool_alloc(ha->s_dma_pool, |
| 2168 | GFP_KERNEL, &ha->sfp_data_dma); |
| 2169 | if (ha->sfp_data == NULL) { |
| 2170 | qla_printk(KERN_WARNING, ha, |
| 2171 | "Memory Allocation failed - " |
| 2172 | "sfp_data\n"); |
| 2173 | |
| 2174 | qla2x00_mem_free(ha); |
| 2175 | msleep(100); |
| 2176 | |
| 2177 | continue; |
| 2178 | } |
| 2179 | memset(ha->sfp_data, 0, SFP_BLOCK_SIZE); |
| 2180 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2181 | } |
| 2182 | |
Seokmann Ju | 53772a2 | 2007-07-30 11:01:07 -0700 | [diff] [blame] | 2183 | /* Get memory for cached NVRAM */ |
| 2184 | ha->nvram = kzalloc(MAX_NVRAM_SIZE, GFP_KERNEL); |
| 2185 | if (ha->nvram == NULL) { |
| 2186 | /* error */ |
| 2187 | qla_printk(KERN_WARNING, ha, |
| 2188 | "Memory Allocation failed - nvram cache\n"); |
| 2189 | |
| 2190 | qla2x00_mem_free(ha); |
| 2191 | msleep(100); |
| 2192 | |
| 2193 | continue; |
| 2194 | } |
| 2195 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2196 | /* Done all allocations without any error. */ |
| 2197 | status = 0; |
| 2198 | |
| 2199 | } while (retry-- && status != 0); |
| 2200 | |
| 2201 | if (status) { |
| 2202 | printk(KERN_WARNING |
| 2203 | "%s(): **** FAILED ****\n", __func__); |
| 2204 | } |
| 2205 | |
| 2206 | return(status); |
| 2207 | } |
| 2208 | |
| 2209 | /* |
| 2210 | * qla2x00_mem_free |
| 2211 | * Frees all adapter allocated memory. |
| 2212 | * |
| 2213 | * Input: |
| 2214 | * ha = adapter block pointer. |
| 2215 | */ |
Seokmann Ju | 2c3dfe3 | 2007-07-05 13:16:51 -0700 | [diff] [blame] | 2216 | void |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2217 | qla2x00_mem_free(scsi_qla_host_t *ha) |
| 2218 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2219 | struct list_head *fcpl, *fcptemp; |
| 2220 | fc_port_t *fcport; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2221 | |
| 2222 | if (ha == NULL) { |
| 2223 | /* error */ |
| 2224 | DEBUG2(printk("%s(): ERROR invalid ha pointer.\n", __func__)); |
| 2225 | return; |
| 2226 | } |
| 2227 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2228 | /* free sp pool */ |
| 2229 | qla2x00_free_sp_pool(ha); |
| 2230 | |
Andrew Vasquez | a7a167b | 2006-06-23 16:10:29 -0700 | [diff] [blame] | 2231 | if (ha->fw_dump) { |
| 2232 | if (ha->eft) |
| 2233 | dma_free_coherent(&ha->pdev->dev, |
| 2234 | ntohl(ha->fw_dump->eft_size), ha->eft, ha->eft_dma); |
| 2235 | vfree(ha->fw_dump); |
| 2236 | } |
| 2237 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2238 | if (ha->sns_cmd) |
| 2239 | dma_free_coherent(&ha->pdev->dev, sizeof(struct sns_cmd_pkt), |
| 2240 | ha->sns_cmd, ha->sns_cmd_dma); |
| 2241 | |
| 2242 | if (ha->ct_sns) |
| 2243 | dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt), |
| 2244 | ha->ct_sns, ha->ct_sns_dma); |
| 2245 | |
Andrew Vasquez | 88729e5 | 2006-06-23 16:10:50 -0700 | [diff] [blame] | 2246 | if (ha->sfp_data) |
| 2247 | dma_pool_free(ha->s_dma_pool, ha->sfp_data, ha->sfp_data_dma); |
| 2248 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2249 | if (ha->ms_iocb) |
| 2250 | dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma); |
| 2251 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2252 | if (ha->s_dma_pool) |
| 2253 | dma_pool_destroy(ha->s_dma_pool); |
| 2254 | |
Seokmann Ju | 2c3dfe3 | 2007-07-05 13:16:51 -0700 | [diff] [blame] | 2255 | if (ha->init_cb) |
| 2256 | dma_free_coherent(&ha->pdev->dev, ha->init_cb_size, |
| 2257 | ha->init_cb, ha->init_cb_dma); |
| 2258 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2259 | if (ha->gid_list) |
| 2260 | dma_free_coherent(&ha->pdev->dev, GID_LIST_SIZE, ha->gid_list, |
| 2261 | ha->gid_list_dma); |
| 2262 | |
| 2263 | if (ha->response_ring) |
| 2264 | dma_free_coherent(&ha->pdev->dev, |
| 2265 | (ha->response_q_length + 1) * sizeof(response_t), |
| 2266 | ha->response_ring, ha->response_dma); |
| 2267 | |
| 2268 | if (ha->request_ring) |
| 2269 | dma_free_coherent(&ha->pdev->dev, |
| 2270 | (ha->request_q_length + 1) * sizeof(request_t), |
| 2271 | ha->request_ring, ha->request_dma); |
| 2272 | |
Andrew Vasquez | a7a167b | 2006-06-23 16:10:29 -0700 | [diff] [blame] | 2273 | ha->eft = NULL; |
| 2274 | ha->eft_dma = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2275 | ha->sns_cmd = NULL; |
| 2276 | ha->sns_cmd_dma = 0; |
| 2277 | ha->ct_sns = NULL; |
| 2278 | ha->ct_sns_dma = 0; |
| 2279 | ha->ms_iocb = NULL; |
| 2280 | ha->ms_iocb_dma = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2281 | ha->init_cb = NULL; |
| 2282 | ha->init_cb_dma = 0; |
| 2283 | |
| 2284 | ha->s_dma_pool = NULL; |
| 2285 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2286 | ha->gid_list = NULL; |
| 2287 | ha->gid_list_dma = 0; |
| 2288 | |
| 2289 | ha->response_ring = NULL; |
| 2290 | ha->response_dma = 0; |
| 2291 | ha->request_ring = NULL; |
| 2292 | ha->request_dma = 0; |
| 2293 | |
| 2294 | list_for_each_safe(fcpl, fcptemp, &ha->fcports) { |
| 2295 | fcport = list_entry(fcpl, fc_port_t, list); |
| 2296 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2297 | /* fc ports */ |
| 2298 | list_del_init(&fcport->list); |
| 2299 | kfree(fcport); |
| 2300 | } |
| 2301 | INIT_LIST_HEAD(&ha->fcports); |
| 2302 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2303 | ha->fw_dump = NULL; |
Andrew Vasquez | fca2970 | 2005-07-06 10:31:47 -0700 | [diff] [blame] | 2304 | ha->fw_dumped = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2305 | ha->fw_dump_reading = 0; |
andrew.vasquez@qlogic.com | 854165f | 2006-01-31 16:05:17 -0800 | [diff] [blame] | 2306 | |
| 2307 | vfree(ha->optrom_buffer); |
Seokmann Ju | 53772a2 | 2007-07-30 11:01:07 -0700 | [diff] [blame] | 2308 | kfree(ha->nvram); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2309 | } |
| 2310 | |
| 2311 | /* |
| 2312 | * qla2x00_allocate_sp_pool |
| 2313 | * This routine is called during initialization to allocate |
| 2314 | * memory for local srb_t. |
| 2315 | * |
| 2316 | * Input: |
| 2317 | * ha = adapter block pointer. |
| 2318 | * |
| 2319 | * Context: |
| 2320 | * Kernel context. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2321 | */ |
| 2322 | static int |
Andrew Vasquez | fa2a1ce | 2005-07-06 10:32:07 -0700 | [diff] [blame] | 2323 | qla2x00_allocate_sp_pool(scsi_qla_host_t *ha) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2324 | { |
| 2325 | int rval; |
| 2326 | |
| 2327 | rval = QLA_SUCCESS; |
Matthew Dobson | 93d2341 | 2006-03-26 01:37:50 -0800 | [diff] [blame] | 2328 | ha->srb_mempool = mempool_create_slab_pool(SRB_MIN_REQ, srb_cachep); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2329 | if (ha->srb_mempool == NULL) { |
| 2330 | qla_printk(KERN_INFO, ha, "Unable to allocate SRB mempool.\n"); |
| 2331 | rval = QLA_FUNCTION_FAILED; |
| 2332 | } |
| 2333 | return (rval); |
| 2334 | } |
| 2335 | |
| 2336 | /* |
| 2337 | * This routine frees all adapter allocated memory. |
Andrew Vasquez | fa2a1ce | 2005-07-06 10:32:07 -0700 | [diff] [blame] | 2338 | * |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2339 | */ |
| 2340 | static void |
Andrew Vasquez | fa2a1ce | 2005-07-06 10:32:07 -0700 | [diff] [blame] | 2341 | qla2x00_free_sp_pool( scsi_qla_host_t *ha) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2342 | { |
| 2343 | if (ha->srb_mempool) { |
| 2344 | mempool_destroy(ha->srb_mempool); |
| 2345 | ha->srb_mempool = NULL; |
| 2346 | } |
| 2347 | } |
| 2348 | |
| 2349 | /************************************************************************** |
| 2350 | * qla2x00_do_dpc |
| 2351 | * This kernel thread is a task that is schedule by the interrupt handler |
| 2352 | * to perform the background processing for interrupts. |
| 2353 | * |
| 2354 | * Notes: |
| 2355 | * This task always run in the context of a kernel thread. It |
| 2356 | * is kick-off by the driver's detect code and starts up |
| 2357 | * up one per adapter. It immediately goes to sleep and waits for |
| 2358 | * some fibre event. When either the interrupt handler or |
| 2359 | * the timer routine detects a event it will one of the task |
| 2360 | * bits then wake us up. |
| 2361 | **************************************************************************/ |
| 2362 | static int |
| 2363 | qla2x00_do_dpc(void *data) |
| 2364 | { |
Seokmann Ju | 2c3dfe3 | 2007-07-05 13:16:51 -0700 | [diff] [blame] | 2365 | int rval; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2366 | scsi_qla_host_t *ha; |
| 2367 | fc_port_t *fcport; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2368 | uint8_t status; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2369 | uint16_t next_loopid; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2370 | |
| 2371 | ha = (scsi_qla_host_t *)data; |
| 2372 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2373 | set_user_nice(current, -20); |
| 2374 | |
Christoph Hellwig | 39a1124 | 2006-02-14 18:46:22 +0100 | [diff] [blame] | 2375 | while (!kthread_should_stop()) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2376 | DEBUG3(printk("qla2x00: DPC handler sleeping\n")); |
| 2377 | |
Christoph Hellwig | 39a1124 | 2006-02-14 18:46:22 +0100 | [diff] [blame] | 2378 | set_current_state(TASK_INTERRUPTIBLE); |
| 2379 | schedule(); |
| 2380 | __set_current_state(TASK_RUNNING); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2381 | |
| 2382 | DEBUG3(printk("qla2x00: DPC handler waking up\n")); |
| 2383 | |
| 2384 | /* Initialization not yet finished. Don't do anything yet. */ |
Christoph Hellwig | 39a1124 | 2006-02-14 18:46:22 +0100 | [diff] [blame] | 2385 | if (!ha->flags.init_done) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2386 | continue; |
| 2387 | |
| 2388 | DEBUG3(printk("scsi(%ld): DPC handler\n", ha->host_no)); |
| 2389 | |
| 2390 | ha->dpc_active = 1; |
| 2391 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2392 | if (ha->flags.mbox_busy) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2393 | ha->dpc_active = 0; |
| 2394 | continue; |
| 2395 | } |
| 2396 | |
| 2397 | if (test_and_clear_bit(ISP_ABORT_NEEDED, &ha->dpc_flags)) { |
| 2398 | |
| 2399 | DEBUG(printk("scsi(%ld): dpc: sched " |
| 2400 | "qla2x00_abort_isp ha = %p\n", |
| 2401 | ha->host_no, ha)); |
| 2402 | if (!(test_and_set_bit(ABORT_ISP_ACTIVE, |
| 2403 | &ha->dpc_flags))) { |
| 2404 | |
| 2405 | if (qla2x00_abort_isp(ha)) { |
| 2406 | /* failed. retry later */ |
| 2407 | set_bit(ISP_ABORT_NEEDED, |
| 2408 | &ha->dpc_flags); |
| 2409 | } |
| 2410 | clear_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags); |
| 2411 | } |
| 2412 | DEBUG(printk("scsi(%ld): dpc: qla2x00_abort_isp end\n", |
| 2413 | ha->host_no)); |
| 2414 | } |
| 2415 | |
andrew.vasquez@qlogic.com | d97994d | 2006-01-20 14:53:13 -0800 | [diff] [blame] | 2416 | if (test_and_clear_bit(FCPORT_UPDATE_NEEDED, &ha->dpc_flags)) |
| 2417 | qla2x00_update_fcports(ha); |
| 2418 | |
Andrew Vasquez | 91ca7b0 | 2005-10-27 16:03:37 -0700 | [diff] [blame] | 2419 | if (test_and_clear_bit(LOOP_RESET_NEEDED, &ha->dpc_flags)) { |
| 2420 | DEBUG(printk("scsi(%ld): dpc: sched loop_reset()\n", |
| 2421 | ha->host_no)); |
| 2422 | qla2x00_loop_reset(ha); |
| 2423 | } |
| 2424 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2425 | if (test_and_clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags) && |
| 2426 | (!(test_and_set_bit(RESET_ACTIVE, &ha->dpc_flags)))) { |
| 2427 | |
| 2428 | DEBUG(printk("scsi(%ld): qla2x00_reset_marker()\n", |
| 2429 | ha->host_no)); |
| 2430 | |
| 2431 | qla2x00_rst_aen(ha); |
| 2432 | clear_bit(RESET_ACTIVE, &ha->dpc_flags); |
| 2433 | } |
| 2434 | |
| 2435 | /* Retry each device up to login retry count */ |
| 2436 | if ((test_and_clear_bit(RELOGIN_NEEDED, &ha->dpc_flags)) && |
| 2437 | !test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags) && |
| 2438 | atomic_read(&ha->loop_state) != LOOP_DOWN) { |
| 2439 | |
| 2440 | DEBUG(printk("scsi(%ld): qla2x00_port_login()\n", |
| 2441 | ha->host_no)); |
| 2442 | |
| 2443 | next_loopid = 0; |
| 2444 | list_for_each_entry(fcport, &ha->fcports, list) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2445 | /* |
| 2446 | * If the port is not ONLINE then try to login |
| 2447 | * to it if we haven't run out of retries. |
| 2448 | */ |
| 2449 | if (atomic_read(&fcport->state) != FCS_ONLINE && |
| 2450 | fcport->login_retry) { |
| 2451 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2452 | if (fcport->flags & FCF_FABRIC_DEVICE) { |
| 2453 | if (fcport->flags & |
| 2454 | FCF_TAPE_PRESENT) |
Andrew Vasquez | fd34f55 | 2007-07-19 15:06:00 -0700 | [diff] [blame] | 2455 | ha->isp_ops->fabric_logout( |
Andrew Vasquez | 1c7c635 | 2005-07-06 10:30:57 -0700 | [diff] [blame] | 2456 | ha, fcport->loop_id, |
| 2457 | fcport->d_id.b.domain, |
| 2458 | fcport->d_id.b.area, |
| 2459 | fcport->d_id.b.al_pa); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2460 | status = qla2x00_fabric_login( |
| 2461 | ha, fcport, &next_loopid); |
| 2462 | } else |
| 2463 | status = |
| 2464 | qla2x00_local_device_login( |
andrew.vasquez@qlogic.com | 9a52a57 | 2006-03-09 14:27:44 -0800 | [diff] [blame] | 2465 | ha, fcport); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2466 | |
Ravi Anand | 63a8651 | 2007-09-20 14:07:40 -0700 | [diff] [blame] | 2467 | fcport->login_retry--; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2468 | if (status == QLA_SUCCESS) { |
| 2469 | fcport->old_loop_id = fcport->loop_id; |
| 2470 | |
| 2471 | DEBUG(printk("scsi(%ld): port login OK: logged in ID 0x%x\n", |
| 2472 | ha->host_no, fcport->loop_id)); |
Andrew Vasquez | fa2a1ce | 2005-07-06 10:32:07 -0700 | [diff] [blame] | 2473 | |
andrew.vasquez@qlogic.com | 052c40c | 2006-01-20 14:53:19 -0800 | [diff] [blame] | 2474 | qla2x00_update_fcport(ha, |
| 2475 | fcport); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2476 | } else if (status == 1) { |
| 2477 | set_bit(RELOGIN_NEEDED, &ha->dpc_flags); |
| 2478 | /* retry the login again */ |
| 2479 | DEBUG(printk("scsi(%ld): Retrying %d login again loop_id 0x%x\n", |
| 2480 | ha->host_no, |
| 2481 | fcport->login_retry, fcport->loop_id)); |
| 2482 | } else { |
| 2483 | fcport->login_retry = 0; |
| 2484 | } |
Ravi Anand | 63a8651 | 2007-09-20 14:07:40 -0700 | [diff] [blame] | 2485 | if (fcport->login_retry == 0) |
| 2486 | fcport->loop_id = FC_NO_LOOP_ID; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2487 | } |
| 2488 | if (test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) |
| 2489 | break; |
| 2490 | } |
| 2491 | DEBUG(printk("scsi(%ld): qla2x00_port_login - end\n", |
| 2492 | ha->host_no)); |
| 2493 | } |
| 2494 | |
| 2495 | if ((test_bit(LOGIN_RETRY_NEEDED, &ha->dpc_flags)) && |
| 2496 | atomic_read(&ha->loop_state) != LOOP_DOWN) { |
| 2497 | |
| 2498 | clear_bit(LOGIN_RETRY_NEEDED, &ha->dpc_flags); |
| 2499 | DEBUG(printk("scsi(%ld): qla2x00_login_retry()\n", |
| 2500 | ha->host_no)); |
Andrew Vasquez | fa2a1ce | 2005-07-06 10:32:07 -0700 | [diff] [blame] | 2501 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2502 | set_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags); |
| 2503 | |
| 2504 | DEBUG(printk("scsi(%ld): qla2x00_login_retry - end\n", |
| 2505 | ha->host_no)); |
| 2506 | } |
| 2507 | |
| 2508 | if (test_and_clear_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags)) { |
| 2509 | |
| 2510 | DEBUG(printk("scsi(%ld): qla2x00_loop_resync()\n", |
| 2511 | ha->host_no)); |
| 2512 | |
| 2513 | if (!(test_and_set_bit(LOOP_RESYNC_ACTIVE, |
| 2514 | &ha->dpc_flags))) { |
| 2515 | |
Seokmann Ju | 2c3dfe3 | 2007-07-05 13:16:51 -0700 | [diff] [blame] | 2516 | rval = qla2x00_loop_resync(ha); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2517 | |
| 2518 | clear_bit(LOOP_RESYNC_ACTIVE, &ha->dpc_flags); |
| 2519 | } |
| 2520 | |
| 2521 | DEBUG(printk("scsi(%ld): qla2x00_loop_resync - end\n", |
| 2522 | ha->host_no)); |
| 2523 | } |
| 2524 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2525 | if (test_and_clear_bit(FCPORT_RESCAN_NEEDED, &ha->dpc_flags)) { |
| 2526 | |
| 2527 | DEBUG(printk("scsi(%ld): Rescan flagged fcports...\n", |
| 2528 | ha->host_no)); |
| 2529 | |
| 2530 | qla2x00_rescan_fcports(ha); |
| 2531 | |
| 2532 | DEBUG(printk("scsi(%ld): Rescan flagged fcports..." |
| 2533 | "end.\n", |
| 2534 | ha->host_no)); |
| 2535 | } |
| 2536 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2537 | if (!ha->interrupts_on) |
Andrew Vasquez | fd34f55 | 2007-07-19 15:06:00 -0700 | [diff] [blame] | 2538 | ha->isp_ops->enable_intrs(ha); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2539 | |
andrew.vasquez@qlogic.com | f6df144 | 2006-01-31 16:05:07 -0800 | [diff] [blame] | 2540 | if (test_and_clear_bit(BEACON_BLINK_NEEDED, &ha->dpc_flags)) |
Andrew Vasquez | fd34f55 | 2007-07-19 15:06:00 -0700 | [diff] [blame] | 2541 | ha->isp_ops->beacon_blink(ha); |
andrew.vasquez@qlogic.com | f6df144 | 2006-01-31 16:05:07 -0800 | [diff] [blame] | 2542 | |
Seokmann Ju | 2c3dfe3 | 2007-07-05 13:16:51 -0700 | [diff] [blame] | 2543 | qla2x00_do_dpc_all_vps(ha); |
| 2544 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2545 | ha->dpc_active = 0; |
| 2546 | } /* End of while(1) */ |
| 2547 | |
| 2548 | DEBUG(printk("scsi(%ld): DPC handler exiting\n", ha->host_no)); |
| 2549 | |
| 2550 | /* |
| 2551 | * Make sure that nobody tries to wake us up again. |
| 2552 | */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2553 | ha->dpc_active = 0; |
| 2554 | |
Christoph Hellwig | 39a1124 | 2006-02-14 18:46:22 +0100 | [diff] [blame] | 2555 | return 0; |
| 2556 | } |
| 2557 | |
| 2558 | void |
| 2559 | qla2xxx_wake_dpc(scsi_qla_host_t *ha) |
| 2560 | { |
| 2561 | if (ha->dpc_thread) |
| 2562 | wake_up_process(ha->dpc_thread); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2563 | } |
| 2564 | |
| 2565 | /* |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2566 | * qla2x00_rst_aen |
| 2567 | * Processes asynchronous reset. |
| 2568 | * |
| 2569 | * Input: |
| 2570 | * ha = adapter block pointer. |
| 2571 | */ |
| 2572 | static void |
Andrew Vasquez | fa2a1ce | 2005-07-06 10:32:07 -0700 | [diff] [blame] | 2573 | qla2x00_rst_aen(scsi_qla_host_t *ha) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2574 | { |
| 2575 | if (ha->flags.online && !ha->flags.reset_active && |
| 2576 | !atomic_read(&ha->loop_down_timer) && |
| 2577 | !(test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags))) { |
| 2578 | do { |
| 2579 | clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags); |
| 2580 | |
| 2581 | /* |
| 2582 | * Issue marker command only when we are going to start |
| 2583 | * the I/O. |
| 2584 | */ |
| 2585 | ha->marker_needed = 1; |
| 2586 | } while (!atomic_read(&ha->loop_down_timer) && |
| 2587 | (test_bit(RESET_MARKER_NEEDED, &ha->dpc_flags))); |
| 2588 | } |
| 2589 | } |
| 2590 | |
| f4f051e | 2005-04-17 15:02:26 -0500 | [diff] [blame] | 2591 | static void |
| 2592 | qla2x00_sp_free_dma(scsi_qla_host_t *ha, srb_t *sp) |
| 2593 | { |
| 2594 | struct scsi_cmnd *cmd = sp->cmd; |
| 2595 | |
| 2596 | if (sp->flags & SRB_DMA_VALID) { |
FUJITA Tomonori | 385d70b | 2007-05-26 01:55:38 +0900 | [diff] [blame] | 2597 | scsi_dma_unmap(cmd); |
| f4f051e | 2005-04-17 15:02:26 -0500 | [diff] [blame] | 2598 | sp->flags &= ~SRB_DMA_VALID; |
| 2599 | } |
Andrew Vasquez | fca2970 | 2005-07-06 10:31:47 -0700 | [diff] [blame] | 2600 | CMD_SP(cmd) = NULL; |
| f4f051e | 2005-04-17 15:02:26 -0500 | [diff] [blame] | 2601 | } |
| 2602 | |
| 2603 | void |
| 2604 | qla2x00_sp_compl(scsi_qla_host_t *ha, srb_t *sp) |
| 2605 | { |
| 2606 | struct scsi_cmnd *cmd = sp->cmd; |
| 2607 | |
| 2608 | qla2x00_sp_free_dma(ha, sp); |
| 2609 | |
| f4f051e | 2005-04-17 15:02:26 -0500 | [diff] [blame] | 2610 | mempool_free(sp, ha->srb_mempool); |
| 2611 | |
| 2612 | cmd->scsi_done(cmd); |
| 2613 | } |
| bdf7962 | 2005-04-17 15:06:53 -0500 | [diff] [blame] | 2614 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2615 | /************************************************************************** |
| 2616 | * qla2x00_timer |
| 2617 | * |
| 2618 | * Description: |
| 2619 | * One second timer |
| 2620 | * |
| 2621 | * Context: Interrupt |
| 2622 | ***************************************************************************/ |
Seokmann Ju | 2c3dfe3 | 2007-07-05 13:16:51 -0700 | [diff] [blame] | 2623 | void |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2624 | qla2x00_timer(scsi_qla_host_t *ha) |
| 2625 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2626 | unsigned long cpu_flags = 0; |
| 2627 | fc_port_t *fcport; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2628 | int start_dpc = 0; |
| 2629 | int index; |
| 2630 | srb_t *sp; |
| f4f051e | 2005-04-17 15:02:26 -0500 | [diff] [blame] | 2631 | int t; |
Seokmann Ju | 2c3dfe3 | 2007-07-05 13:16:51 -0700 | [diff] [blame] | 2632 | scsi_qla_host_t *pha = to_qla_parent(ha); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2633 | |
| 2634 | /* |
| 2635 | * Ports - Port down timer. |
| 2636 | * |
| 2637 | * Whenever, a port is in the LOST state we start decrementing its port |
| 2638 | * down timer every second until it reaches zero. Once it reaches zero |
Andrew Vasquez | fa2a1ce | 2005-07-06 10:32:07 -0700 | [diff] [blame] | 2639 | * the port it marked DEAD. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2640 | */ |
| 2641 | t = 0; |
| 2642 | list_for_each_entry(fcport, &ha->fcports, list) { |
| 2643 | if (fcport->port_type != FCT_TARGET) |
| 2644 | continue; |
| 2645 | |
| 2646 | if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) { |
| 2647 | |
| 2648 | if (atomic_read(&fcport->port_down_timer) == 0) |
| 2649 | continue; |
| 2650 | |
Andrew Vasquez | fa2a1ce | 2005-07-06 10:32:07 -0700 | [diff] [blame] | 2651 | if (atomic_dec_and_test(&fcport->port_down_timer) != 0) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2652 | atomic_set(&fcport->state, FCS_DEVICE_DEAD); |
Andrew Vasquez | fa2a1ce | 2005-07-06 10:32:07 -0700 | [diff] [blame] | 2653 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2654 | DEBUG(printk("scsi(%ld): fcport-%d - port retry count: " |
Andrew Vasquez | fca2970 | 2005-07-06 10:31:47 -0700 | [diff] [blame] | 2655 | "%d remaining\n", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2656 | ha->host_no, |
| 2657 | t, atomic_read(&fcport->port_down_timer))); |
| 2658 | } |
| 2659 | t++; |
| 2660 | } /* End of for fcport */ |
| 2661 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2662 | |
| 2663 | /* Loop down handler. */ |
| 2664 | if (atomic_read(&ha->loop_down_timer) > 0 && |
| 2665 | !(test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags)) && ha->flags.online) { |
| 2666 | |
| 2667 | if (atomic_read(&ha->loop_down_timer) == |
| 2668 | ha->loop_down_abort_time) { |
| 2669 | |
| 2670 | DEBUG(printk("scsi(%ld): Loop Down - aborting the " |
| 2671 | "queues before time expire\n", |
| 2672 | ha->host_no)); |
| 2673 | |
| 2674 | if (!IS_QLA2100(ha) && ha->link_down_timeout) |
Andrew Vasquez | fa2a1ce | 2005-07-06 10:32:07 -0700 | [diff] [blame] | 2675 | atomic_set(&ha->loop_state, LOOP_DEAD); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2676 | |
| 2677 | /* Schedule an ISP abort to return any tape commands. */ |
Seokmann Ju | 2c3dfe3 | 2007-07-05 13:16:51 -0700 | [diff] [blame] | 2678 | /* NPIV - scan physical port only */ |
| 2679 | if (!ha->parent) { |
| 2680 | spin_lock_irqsave(&ha->hardware_lock, |
| 2681 | cpu_flags); |
| 2682 | for (index = 1; |
| 2683 | index < MAX_OUTSTANDING_COMMANDS; |
| 2684 | index++) { |
| 2685 | fc_port_t *sfcp; |
| bdf7962 | 2005-04-17 15:06:53 -0500 | [diff] [blame] | 2686 | |
Seokmann Ju | 2c3dfe3 | 2007-07-05 13:16:51 -0700 | [diff] [blame] | 2687 | sp = ha->outstanding_cmds[index]; |
| 2688 | if (!sp) |
| 2689 | continue; |
| 2690 | sfcp = sp->fcport; |
| 2691 | if (!(sfcp->flags & FCF_TAPE_PRESENT)) |
| 2692 | continue; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2693 | |
Seokmann Ju | 2c3dfe3 | 2007-07-05 13:16:51 -0700 | [diff] [blame] | 2694 | set_bit(ISP_ABORT_NEEDED, |
| 2695 | &ha->dpc_flags); |
| 2696 | break; |
| 2697 | } |
| 2698 | spin_unlock_irqrestore(&ha->hardware_lock, |
| 2699 | cpu_flags); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2700 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2701 | set_bit(ABORT_QUEUES_NEEDED, &ha->dpc_flags); |
| 2702 | start_dpc++; |
| 2703 | } |
| 2704 | |
| 2705 | /* if the loop has been down for 4 minutes, reinit adapter */ |
| 2706 | if (atomic_dec_and_test(&ha->loop_down_timer) != 0) { |
| 2707 | DEBUG(printk("scsi(%ld): Loop down exceed 4 mins - " |
| 2708 | "restarting queues.\n", |
| 2709 | ha->host_no)); |
| 2710 | |
| 2711 | set_bit(RESTART_QUEUES_NEEDED, &ha->dpc_flags); |
| 2712 | start_dpc++; |
| 2713 | |
| 2714 | if (!(ha->device_flags & DFLG_NO_CABLE)) { |
| 2715 | DEBUG(printk("scsi(%ld): Loop down - " |
| 2716 | "aborting ISP.\n", |
| 2717 | ha->host_no)); |
| 2718 | qla_printk(KERN_WARNING, ha, |
| 2719 | "Loop down - aborting ISP.\n"); |
| 2720 | |
| 2721 | set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags); |
| 2722 | } |
| 2723 | } |
Andrew Vasquez | fca2970 | 2005-07-06 10:31:47 -0700 | [diff] [blame] | 2724 | DEBUG3(printk("scsi(%ld): Loop Down - seconds remaining %d\n", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2725 | ha->host_no, |
| 2726 | atomic_read(&ha->loop_down_timer))); |
| 2727 | } |
| 2728 | |
andrew.vasquez@qlogic.com | f6df144 | 2006-01-31 16:05:07 -0800 | [diff] [blame] | 2729 | /* Check if beacon LED needs to be blinked */ |
| 2730 | if (ha->beacon_blink_led == 1) { |
| 2731 | set_bit(BEACON_BLINK_NEEDED, &ha->dpc_flags); |
| 2732 | start_dpc++; |
| 2733 | } |
| 2734 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2735 | /* Schedule the DPC routine if needed */ |
| 2736 | if ((test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags) || |
| 2737 | test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags) || |
Andrew Vasquez | 91ca7b0 | 2005-10-27 16:03:37 -0700 | [diff] [blame] | 2738 | test_bit(LOOP_RESET_NEEDED, &ha->dpc_flags) || |
andrew.vasquez@qlogic.com | d97994d | 2006-01-20 14:53:13 -0800 | [diff] [blame] | 2739 | test_bit(FCPORT_UPDATE_NEEDED, &ha->dpc_flags) || |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2740 | start_dpc || |
| 2741 | test_bit(LOGIN_RETRY_NEEDED, &ha->dpc_flags) || |
| f4f051e | 2005-04-17 15:02:26 -0500 | [diff] [blame] | 2742 | test_bit(RESET_MARKER_NEEDED, &ha->dpc_flags) || |
andrew.vasquez@qlogic.com | f6df144 | 2006-01-31 16:05:07 -0800 | [diff] [blame] | 2743 | test_bit(BEACON_BLINK_NEEDED, &ha->dpc_flags) || |
Seokmann Ju | 2c3dfe3 | 2007-07-05 13:16:51 -0700 | [diff] [blame] | 2744 | test_bit(VP_DPC_NEEDED, &ha->dpc_flags) || |
Christoph Hellwig | 39a1124 | 2006-02-14 18:46:22 +0100 | [diff] [blame] | 2745 | test_bit(RELOGIN_NEEDED, &ha->dpc_flags))) |
Seokmann Ju | 2c3dfe3 | 2007-07-05 13:16:51 -0700 | [diff] [blame] | 2746 | qla2xxx_wake_dpc(pha); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2747 | |
| 2748 | qla2x00_restart_timer(ha, WATCH_INTERVAL); |
| 2749 | } |
| 2750 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2751 | /* XXX(hch): crude hack to emulate a down_timeout() */ |
| 2752 | int |
| 2753 | qla2x00_down_timeout(struct semaphore *sema, unsigned long timeout) |
| 2754 | { |
Andrew Vasquez | fe74c71 | 2005-08-26 19:10:10 -0700 | [diff] [blame] | 2755 | const unsigned int step = 100; /* msecs */ |
| 2756 | unsigned int iterations = jiffies_to_msecs(timeout)/100; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2757 | |
| 2758 | do { |
| 2759 | if (!down_trylock(sema)) |
| 2760 | return 0; |
Andrew Vasquez | fe74c71 | 2005-08-26 19:10:10 -0700 | [diff] [blame] | 2761 | if (msleep_interruptible(step)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2762 | break; |
Bill Nottingham | 88f5774 | 2007-05-30 04:16:43 -0400 | [diff] [blame] | 2763 | } while (--iterations > 0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2764 | |
| 2765 | return -ETIMEDOUT; |
| 2766 | } |
| 2767 | |
Andrew Vasquez | 5433383 | 2005-11-09 15:49:04 -0800 | [diff] [blame] | 2768 | /* Firmware interface routines. */ |
| 2769 | |
Andrew Vasquez | c3a2f0d | 2007-07-19 20:37:34 -0700 | [diff] [blame] | 2770 | #define FW_BLOBS 6 |
Andrew Vasquez | 5433383 | 2005-11-09 15:49:04 -0800 | [diff] [blame] | 2771 | #define FW_ISP21XX 0 |
| 2772 | #define FW_ISP22XX 1 |
| 2773 | #define FW_ISP2300 2 |
| 2774 | #define FW_ISP2322 3 |
andrew.vasquez@qlogic.com | 48c02fd | 2006-03-09 14:27:18 -0800 | [diff] [blame] | 2775 | #define FW_ISP24XX 4 |
Andrew Vasquez | c3a2f0d | 2007-07-19 20:37:34 -0700 | [diff] [blame] | 2776 | #define FW_ISP25XX 5 |
Andrew Vasquez | 5433383 | 2005-11-09 15:49:04 -0800 | [diff] [blame] | 2777 | |
Andrew Vasquez | bb8ee49 | 2006-10-02 12:00:48 -0700 | [diff] [blame] | 2778 | #define FW_FILE_ISP21XX "ql2100_fw.bin" |
| 2779 | #define FW_FILE_ISP22XX "ql2200_fw.bin" |
| 2780 | #define FW_FILE_ISP2300 "ql2300_fw.bin" |
| 2781 | #define FW_FILE_ISP2322 "ql2322_fw.bin" |
| 2782 | #define FW_FILE_ISP24XX "ql2400_fw.bin" |
Andrew Vasquez | c3a2f0d | 2007-07-19 20:37:34 -0700 | [diff] [blame] | 2783 | #define FW_FILE_ISP25XX "ql2500_fw.bin" |
Andrew Vasquez | bb8ee49 | 2006-10-02 12:00:48 -0700 | [diff] [blame] | 2784 | |
Andrew Vasquez | 5433383 | 2005-11-09 15:49:04 -0800 | [diff] [blame] | 2785 | static DECLARE_MUTEX(qla_fw_lock); |
| 2786 | |
| 2787 | static struct fw_blob qla_fw_blobs[FW_BLOBS] = { |
Andrew Vasquez | bb8ee49 | 2006-10-02 12:00:48 -0700 | [diff] [blame] | 2788 | { .name = FW_FILE_ISP21XX, .segs = { 0x1000, 0 }, }, |
| 2789 | { .name = FW_FILE_ISP22XX, .segs = { 0x1000, 0 }, }, |
| 2790 | { .name = FW_FILE_ISP2300, .segs = { 0x800, 0 }, }, |
| 2791 | { .name = FW_FILE_ISP2322, .segs = { 0x800, 0x1c000, 0x1e000, 0 }, }, |
| 2792 | { .name = FW_FILE_ISP24XX, }, |
Andrew Vasquez | c3a2f0d | 2007-07-19 20:37:34 -0700 | [diff] [blame] | 2793 | { .name = FW_FILE_ISP25XX, }, |
Andrew Vasquez | 5433383 | 2005-11-09 15:49:04 -0800 | [diff] [blame] | 2794 | }; |
| 2795 | |
| 2796 | struct fw_blob * |
| 2797 | qla2x00_request_firmware(scsi_qla_host_t *ha) |
| 2798 | { |
| 2799 | struct fw_blob *blob; |
| 2800 | |
| 2801 | blob = NULL; |
| 2802 | if (IS_QLA2100(ha)) { |
| 2803 | blob = &qla_fw_blobs[FW_ISP21XX]; |
| 2804 | } else if (IS_QLA2200(ha)) { |
| 2805 | blob = &qla_fw_blobs[FW_ISP22XX]; |
andrew.vasquez@qlogic.com | 48c02fd | 2006-03-09 14:27:18 -0800 | [diff] [blame] | 2806 | } else if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) { |
Andrew Vasquez | 5433383 | 2005-11-09 15:49:04 -0800 | [diff] [blame] | 2807 | blob = &qla_fw_blobs[FW_ISP2300]; |
andrew.vasquez@qlogic.com | 48c02fd | 2006-03-09 14:27:18 -0800 | [diff] [blame] | 2808 | } else if (IS_QLA2322(ha) || IS_QLA6322(ha)) { |
Andrew Vasquez | 5433383 | 2005-11-09 15:49:04 -0800 | [diff] [blame] | 2809 | blob = &qla_fw_blobs[FW_ISP2322]; |
andrew.vasquez@qlogic.com | 044cc6c | 2006-03-09 14:27:13 -0800 | [diff] [blame] | 2810 | } else if (IS_QLA24XX(ha) || IS_QLA54XX(ha)) { |
Andrew Vasquez | 5433383 | 2005-11-09 15:49:04 -0800 | [diff] [blame] | 2811 | blob = &qla_fw_blobs[FW_ISP24XX]; |
Andrew Vasquez | c3a2f0d | 2007-07-19 20:37:34 -0700 | [diff] [blame] | 2812 | } else if (IS_QLA25XX(ha)) { |
| 2813 | blob = &qla_fw_blobs[FW_ISP25XX]; |
Andrew Vasquez | 5433383 | 2005-11-09 15:49:04 -0800 | [diff] [blame] | 2814 | } |
| 2815 | |
| 2816 | down(&qla_fw_lock); |
| 2817 | if (blob->fw) |
| 2818 | goto out; |
| 2819 | |
| 2820 | if (request_firmware(&blob->fw, blob->name, &ha->pdev->dev)) { |
| 2821 | DEBUG2(printk("scsi(%ld): Failed to load firmware image " |
| 2822 | "(%s).\n", ha->host_no, blob->name)); |
| 2823 | blob->fw = NULL; |
| 2824 | blob = NULL; |
| 2825 | goto out; |
| 2826 | } |
| 2827 | |
| 2828 | out: |
| 2829 | up(&qla_fw_lock); |
| 2830 | return blob; |
| 2831 | } |
| 2832 | |
| 2833 | static void |
| 2834 | qla2x00_release_firmware(void) |
| 2835 | { |
| 2836 | int idx; |
| 2837 | |
| 2838 | down(&qla_fw_lock); |
| 2839 | for (idx = 0; idx < FW_BLOBS; idx++) |
| 2840 | if (qla_fw_blobs[idx].fw) |
| 2841 | release_firmware(qla_fw_blobs[idx].fw); |
| 2842 | up(&qla_fw_lock); |
| 2843 | } |
| 2844 | |
Seokmann Ju | 14e660e | 2007-09-20 14:07:36 -0700 | [diff] [blame] | 2845 | static pci_ers_result_t |
| 2846 | qla2xxx_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state) |
| 2847 | { |
| 2848 | switch (state) { |
| 2849 | case pci_channel_io_normal: |
| 2850 | return PCI_ERS_RESULT_CAN_RECOVER; |
| 2851 | case pci_channel_io_frozen: |
| 2852 | pci_disable_device(pdev); |
| 2853 | return PCI_ERS_RESULT_NEED_RESET; |
| 2854 | case pci_channel_io_perm_failure: |
| 2855 | qla2x00_remove_one(pdev); |
| 2856 | return PCI_ERS_RESULT_DISCONNECT; |
| 2857 | } |
| 2858 | return PCI_ERS_RESULT_NEED_RESET; |
| 2859 | } |
| 2860 | |
| 2861 | static pci_ers_result_t |
| 2862 | qla2xxx_pci_mmio_enabled(struct pci_dev *pdev) |
| 2863 | { |
| 2864 | int risc_paused = 0; |
| 2865 | uint32_t stat; |
| 2866 | unsigned long flags; |
| 2867 | scsi_qla_host_t *ha = pci_get_drvdata(pdev); |
| 2868 | struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; |
| 2869 | struct device_reg_24xx __iomem *reg24 = &ha->iobase->isp24; |
| 2870 | |
| 2871 | spin_lock_irqsave(&ha->hardware_lock, flags); |
| 2872 | if (IS_QLA2100(ha) || IS_QLA2200(ha)){ |
| 2873 | stat = RD_REG_DWORD(®->hccr); |
| 2874 | if (stat & HCCR_RISC_PAUSE) |
| 2875 | risc_paused = 1; |
| 2876 | } else if (IS_QLA23XX(ha)) { |
| 2877 | stat = RD_REG_DWORD(®->u.isp2300.host_status); |
| 2878 | if (stat & HSR_RISC_PAUSED) |
| 2879 | risc_paused = 1; |
| 2880 | } else if (IS_FWI2_CAPABLE(ha)) { |
| 2881 | stat = RD_REG_DWORD(®24->host_status); |
| 2882 | if (stat & HSRX_RISC_PAUSED) |
| 2883 | risc_paused = 1; |
| 2884 | } |
| 2885 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
| 2886 | |
| 2887 | if (risc_paused) { |
| 2888 | qla_printk(KERN_INFO, ha, "RISC paused -- mmio_enabled, " |
| 2889 | "Dumping firmware!\n"); |
| 2890 | ha->isp_ops->fw_dump(ha, 0); |
| 2891 | |
| 2892 | return PCI_ERS_RESULT_NEED_RESET; |
| 2893 | } else |
| 2894 | return PCI_ERS_RESULT_RECOVERED; |
| 2895 | } |
| 2896 | |
| 2897 | static pci_ers_result_t |
| 2898 | qla2xxx_pci_slot_reset(struct pci_dev *pdev) |
| 2899 | { |
| 2900 | pci_ers_result_t ret = PCI_ERS_RESULT_DISCONNECT; |
| 2901 | scsi_qla_host_t *ha = pci_get_drvdata(pdev); |
| 2902 | |
Andrew Vasquez | 285d032 | 2007-10-19 15:59:17 -0700 | [diff] [blame] | 2903 | if (pci_enable_device_bars(pdev, ha->bars)) { |
Seokmann Ju | 14e660e | 2007-09-20 14:07:36 -0700 | [diff] [blame] | 2904 | qla_printk(KERN_WARNING, ha, |
| 2905 | "Can't re-enable PCI device after reset.\n"); |
| 2906 | |
| 2907 | return ret; |
| 2908 | } |
| 2909 | pci_set_master(pdev); |
| 2910 | |
| 2911 | if (ha->isp_ops->pci_config(ha)) |
| 2912 | return ret; |
| 2913 | |
| 2914 | set_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags); |
| 2915 | if (qla2x00_abort_isp(ha)== QLA_SUCCESS) |
| 2916 | ret = PCI_ERS_RESULT_RECOVERED; |
| 2917 | clear_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags); |
| 2918 | |
| 2919 | return ret; |
| 2920 | } |
| 2921 | |
| 2922 | static void |
| 2923 | qla2xxx_pci_resume(struct pci_dev *pdev) |
| 2924 | { |
| 2925 | scsi_qla_host_t *ha = pci_get_drvdata(pdev); |
| 2926 | int ret; |
| 2927 | |
| 2928 | ret = qla2x00_wait_for_hba_online(ha); |
| 2929 | if (ret != QLA_SUCCESS) { |
| 2930 | qla_printk(KERN_ERR, ha, |
| 2931 | "the device failed to resume I/O " |
| 2932 | "from slot/link_reset"); |
| 2933 | } |
| 2934 | pci_cleanup_aer_uncorrect_error_status(pdev); |
| 2935 | } |
| 2936 | |
| 2937 | static struct pci_error_handlers qla2xxx_err_handler = { |
| 2938 | .error_detected = qla2xxx_pci_error_detected, |
| 2939 | .mmio_enabled = qla2xxx_pci_mmio_enabled, |
| 2940 | .slot_reset = qla2xxx_pci_slot_reset, |
| 2941 | .resume = qla2xxx_pci_resume, |
| 2942 | }; |
| 2943 | |
Andrew Vasquez | 5433383 | 2005-11-09 15:49:04 -0800 | [diff] [blame] | 2944 | static struct pci_device_id qla2xxx_pci_tbl[] = { |
Andrew Vasquez | 47f5e06 | 2006-05-17 15:09:39 -0700 | [diff] [blame] | 2945 | { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2100) }, |
| 2946 | { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2200) }, |
| 2947 | { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2300) }, |
| 2948 | { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2312) }, |
| 2949 | { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2322) }, |
| 2950 | { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6312) }, |
| 2951 | { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6322) }, |
| 2952 | { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2422) }, |
| 2953 | { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2432) }, |
| 2954 | { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5422) }, |
| 2955 | { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5432) }, |
Andrew Vasquez | c3a2f0d | 2007-07-19 20:37:34 -0700 | [diff] [blame] | 2956 | { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2532) }, |
Andrew Vasquez | 5433383 | 2005-11-09 15:49:04 -0800 | [diff] [blame] | 2957 | { 0 }, |
| 2958 | }; |
| 2959 | MODULE_DEVICE_TABLE(pci, qla2xxx_pci_tbl); |
| 2960 | |
Andrew Vasquez | fca2970 | 2005-07-06 10:31:47 -0700 | [diff] [blame] | 2961 | static struct pci_driver qla2xxx_pci_driver = { |
Andrew Vasquez | cb63067 | 2006-05-17 15:09:45 -0700 | [diff] [blame] | 2962 | .name = QLA2XXX_DRIVER_NAME, |
James Bottomley | 0a21ef1 | 2005-12-01 12:51:50 -0600 | [diff] [blame] | 2963 | .driver = { |
| 2964 | .owner = THIS_MODULE, |
| 2965 | }, |
Andrew Vasquez | fca2970 | 2005-07-06 10:31:47 -0700 | [diff] [blame] | 2966 | .id_table = qla2xxx_pci_tbl, |
Andrew Vasquez | 7ee6139 | 2006-06-23 16:11:22 -0700 | [diff] [blame] | 2967 | .probe = qla2x00_probe_one, |
| 2968 | .remove = __devexit_p(qla2x00_remove_one), |
Seokmann Ju | 14e660e | 2007-09-20 14:07:36 -0700 | [diff] [blame] | 2969 | .err_handler = &qla2xxx_err_handler, |
Andrew Vasquez | fca2970 | 2005-07-06 10:31:47 -0700 | [diff] [blame] | 2970 | }; |
| 2971 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2972 | /** |
| 2973 | * qla2x00_module_init - Module initialization. |
| 2974 | **/ |
| 2975 | static int __init |
| 2976 | qla2x00_module_init(void) |
| 2977 | { |
Andrew Vasquez | fca2970 | 2005-07-06 10:31:47 -0700 | [diff] [blame] | 2978 | int ret = 0; |
| 2979 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2980 | /* Allocate cache for SRBs. */ |
Andrew Vasquez | 354d6b2 | 2005-04-23 02:47:27 -0400 | [diff] [blame] | 2981 | srb_cachep = kmem_cache_create("qla2xxx_srbs", sizeof(srb_t), 0, |
Paul Mundt | 20c2df8 | 2007-07-20 10:11:58 +0900 | [diff] [blame] | 2982 | SLAB_HWCACHE_ALIGN, NULL); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2983 | if (srb_cachep == NULL) { |
| 2984 | printk(KERN_ERR |
| 2985 | "qla2xxx: Unable to allocate SRB cache...Failing load!\n"); |
| 2986 | return -ENOMEM; |
| 2987 | } |
| 2988 | |
| 2989 | /* Derive version string. */ |
| 2990 | strcpy(qla2x00_version_str, QLA2XXX_VERSION); |
Andrew Vasquez | 11010fe | 2006-10-06 09:54:59 -0700 | [diff] [blame] | 2991 | if (ql2xextended_error_logging) |
Andrew Vasquez | 0181944 | 2006-06-23 16:11:10 -0700 | [diff] [blame] | 2992 | strcat(qla2x00_version_str, "-debug"); |
| 2993 | |
Andrew Vasquez | 1c97a12 | 2005-04-21 16:13:36 -0400 | [diff] [blame] | 2994 | qla2xxx_transport_template = |
| 2995 | fc_attach_transport(&qla2xxx_transport_functions); |
Seokmann Ju | 2c3dfe3 | 2007-07-05 13:16:51 -0700 | [diff] [blame] | 2996 | if (!qla2xxx_transport_template) { |
| 2997 | kmem_cache_destroy(srb_cachep); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2998 | return -ENODEV; |
Seokmann Ju | 2c3dfe3 | 2007-07-05 13:16:51 -0700 | [diff] [blame] | 2999 | } |
| 3000 | qla2xxx_transport_vport_template = |
| 3001 | fc_attach_transport(&qla2xxx_transport_vport_functions); |
| 3002 | if (!qla2xxx_transport_vport_template) { |
| 3003 | kmem_cache_destroy(srb_cachep); |
| 3004 | fc_release_transport(qla2xxx_transport_template); |
| 3005 | return -ENODEV; |
| 3006 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3007 | |
| 3008 | printk(KERN_INFO "QLogic Fibre Channel HBA Driver\n"); |
Andrew Vasquez | 7ee6139 | 2006-06-23 16:11:22 -0700 | [diff] [blame] | 3009 | ret = pci_register_driver(&qla2xxx_pci_driver); |
Andrew Vasquez | fca2970 | 2005-07-06 10:31:47 -0700 | [diff] [blame] | 3010 | if (ret) { |
| 3011 | kmem_cache_destroy(srb_cachep); |
| 3012 | fc_release_transport(qla2xxx_transport_template); |
Seokmann Ju | 2c3dfe3 | 2007-07-05 13:16:51 -0700 | [diff] [blame] | 3013 | fc_release_transport(qla2xxx_transport_vport_template); |
Andrew Vasquez | fca2970 | 2005-07-06 10:31:47 -0700 | [diff] [blame] | 3014 | } |
| 3015 | return ret; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3016 | } |
| 3017 | |
| 3018 | /** |
| 3019 | * qla2x00_module_exit - Module cleanup. |
| 3020 | **/ |
| 3021 | static void __exit |
| 3022 | qla2x00_module_exit(void) |
| 3023 | { |
Andrew Vasquez | 7ee6139 | 2006-06-23 16:11:22 -0700 | [diff] [blame] | 3024 | pci_unregister_driver(&qla2xxx_pci_driver); |
Andrew Vasquez | 5433383 | 2005-11-09 15:49:04 -0800 | [diff] [blame] | 3025 | qla2x00_release_firmware(); |
Andrew Vasquez | 354d6b2 | 2005-04-23 02:47:27 -0400 | [diff] [blame] | 3026 | kmem_cache_destroy(srb_cachep); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3027 | fc_release_transport(qla2xxx_transport_template); |
Seokmann Ju | 2c3dfe3 | 2007-07-05 13:16:51 -0700 | [diff] [blame] | 3028 | fc_release_transport(qla2xxx_transport_vport_template); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3029 | } |
| 3030 | |
| 3031 | module_init(qla2x00_module_init); |
| 3032 | module_exit(qla2x00_module_exit); |
| 3033 | |
| 3034 | MODULE_AUTHOR("QLogic Corporation"); |
| 3035 | MODULE_DESCRIPTION("QLogic Fibre Channel HBA Driver"); |
| 3036 | MODULE_LICENSE("GPL"); |
| 3037 | MODULE_VERSION(QLA2XXX_VERSION); |
Andrew Vasquez | bb8ee49 | 2006-10-02 12:00:48 -0700 | [diff] [blame] | 3038 | MODULE_FIRMWARE(FW_FILE_ISP21XX); |
| 3039 | MODULE_FIRMWARE(FW_FILE_ISP22XX); |
| 3040 | MODULE_FIRMWARE(FW_FILE_ISP2300); |
| 3041 | MODULE_FIRMWARE(FW_FILE_ISP2322); |
| 3042 | MODULE_FIRMWARE(FW_FILE_ISP24XX); |