Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 1 | /* |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 2 | * Copyright (c) 2005-2010 Brocade Communications Systems, Inc. |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 3 | * All rights reserved |
| 4 | * www.brocade.com |
| 5 | * |
| 6 | * Linux driver for Brocade Fibre Channel Host Bus Adapter. |
| 7 | * |
| 8 | * This program is free software; you can redistribute it and/or modify it |
| 9 | * under the terms of the GNU General Public License (GPL) Version 2 as |
| 10 | * published by the Free Software Foundation |
| 11 | * |
| 12 | * This program is distributed in the hope that it will be useful, but |
| 13 | * WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 15 | * General Public License for more details. |
| 16 | */ |
| 17 | |
| 18 | /** |
| 19 | * bfad.c Linux driver PCI interface module. |
| 20 | */ |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 21 | #include <linux/module.h> |
Krishna Gudipati | e671432 | 2010-03-03 17:44:02 -0800 | [diff] [blame] | 22 | #include <linux/kthread.h> |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 23 | #include <linux/errno.h> |
| 24 | #include <linux/sched.h> |
| 25 | #include <linux/init.h> |
| 26 | #include <linux/fs.h> |
| 27 | #include <linux/pci.h> |
| 28 | #include <linux/firmware.h> |
| 29 | #include <asm/uaccess.h> |
| 30 | #include <asm/fcntl.h> |
| 31 | |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 32 | #include "bfad_drv.h" |
| 33 | #include "bfad_im.h" |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 34 | #include "bfa_fcs.h" |
| 35 | #include "bfa_os_inc.h" |
| 36 | #include "bfa_defs.h" |
| 37 | #include "bfa.h" |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 38 | |
| 39 | BFA_TRC_FILE(LDRV, BFAD); |
Jing Huang | 42b426e | 2010-03-19 11:07:09 -0700 | [diff] [blame] | 40 | DEFINE_MUTEX(bfad_mutex); |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 41 | LIST_HEAD(bfad_list); |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 42 | |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 43 | static int bfad_inst; |
| 44 | static int num_sgpgs_parm; |
| 45 | int supported_fc4s; |
| 46 | char *host_name, *os_name, *os_patch; |
| 47 | int num_rports, num_ios, num_tms; |
| 48 | int num_fcxps, num_ufbufs; |
| 49 | int reqq_size, rspq_size, num_sgpgs; |
| 50 | int rport_del_timeout = BFA_FCS_RPORT_DEF_DEL_TIMEOUT; |
| 51 | int bfa_lun_queue_depth = BFAD_LUN_QUEUE_DEPTH; |
| 52 | int bfa_io_max_sge = BFAD_IO_MAX_SGE; |
| 53 | int log_level = 3; /* WARNING log level */ |
| 54 | int ioc_auto_recover = BFA_TRUE; |
| 55 | int bfa_linkup_delay = -1; |
| 56 | int fdmi_enable = BFA_TRUE; |
| 57 | int pcie_max_read_reqsz; |
Jing Huang | ab2a9ba | 2010-07-08 20:02:55 -0700 | [diff] [blame] | 58 | int bfa_debugfs_enable = 1; |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 59 | int msix_disable_cb = 0, msix_disable_ct = 0; |
| 60 | |
| 61 | u32 bfi_image_ct_fc_size, bfi_image_ct_cna_size, bfi_image_cb_fc_size; |
| 62 | u32 *bfi_image_ct_fc, *bfi_image_ct_cna, *bfi_image_cb_fc; |
| 63 | |
| 64 | const char *msix_name_ct[] = { |
| 65 | "cpe0", "cpe1", "cpe2", "cpe3", |
| 66 | "rme0", "rme1", "rme2", "rme3", |
| 67 | "ctrl" }; |
| 68 | |
| 69 | const char *msix_name_cb[] = { |
| 70 | "cpe0", "cpe1", "cpe2", "cpe3", |
| 71 | "rme0", "rme1", "rme2", "rme3", |
| 72 | "eemc", "elpu0", "elpu1", "epss", "mlpu" }; |
| 73 | |
| 74 | MODULE_FIRMWARE(BFAD_FW_FILE_CT_FC); |
| 75 | MODULE_FIRMWARE(BFAD_FW_FILE_CT_CNA); |
| 76 | MODULE_FIRMWARE(BFAD_FW_FILE_CB_FC); |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 77 | |
| 78 | module_param(os_name, charp, S_IRUGO | S_IWUSR); |
Jing Huang | 604158ad | 2010-07-08 19:59:49 -0700 | [diff] [blame] | 79 | MODULE_PARM_DESC(os_name, "OS name of the hba host machine"); |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 80 | module_param(os_patch, charp, S_IRUGO | S_IWUSR); |
Jing Huang | 604158ad | 2010-07-08 19:59:49 -0700 | [diff] [blame] | 81 | MODULE_PARM_DESC(os_patch, "OS patch level of the hba host machine"); |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 82 | module_param(host_name, charp, S_IRUGO | S_IWUSR); |
Jing Huang | 604158ad | 2010-07-08 19:59:49 -0700 | [diff] [blame] | 83 | MODULE_PARM_DESC(host_name, "Hostname of the hba host machine"); |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 84 | module_param(num_rports, int, S_IRUGO | S_IWUSR); |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 85 | MODULE_PARM_DESC(num_rports, "Max number of rports supported per port " |
| 86 | "(physical/logical), default=1024"); |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 87 | module_param(num_ios, int, S_IRUGO | S_IWUSR); |
Jing Huang | 604158ad | 2010-07-08 19:59:49 -0700 | [diff] [blame] | 88 | MODULE_PARM_DESC(num_ios, "Max number of ioim requests, default=2000"); |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 89 | module_param(num_tms, int, S_IRUGO | S_IWUSR); |
Jing Huang | 604158ad | 2010-07-08 19:59:49 -0700 | [diff] [blame] | 90 | MODULE_PARM_DESC(num_tms, "Max number of task im requests, default=128"); |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 91 | module_param(num_fcxps, int, S_IRUGO | S_IWUSR); |
Jing Huang | 604158ad | 2010-07-08 19:59:49 -0700 | [diff] [blame] | 92 | MODULE_PARM_DESC(num_fcxps, "Max number of fcxp requests, default=64"); |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 93 | module_param(num_ufbufs, int, S_IRUGO | S_IWUSR); |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 94 | MODULE_PARM_DESC(num_ufbufs, "Max number of unsolicited frame " |
| 95 | "buffers, default=64"); |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 96 | module_param(reqq_size, int, S_IRUGO | S_IWUSR); |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 97 | MODULE_PARM_DESC(reqq_size, "Max number of request queue elements, " |
| 98 | "default=256"); |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 99 | module_param(rspq_size, int, S_IRUGO | S_IWUSR); |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 100 | MODULE_PARM_DESC(rspq_size, "Max number of response queue elements, " |
| 101 | "default=64"); |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 102 | module_param(num_sgpgs, int, S_IRUGO | S_IWUSR); |
Jing Huang | 604158ad | 2010-07-08 19:59:49 -0700 | [diff] [blame] | 103 | MODULE_PARM_DESC(num_sgpgs, "Number of scatter/gather pages, default=2048"); |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 104 | module_param(rport_del_timeout, int, S_IRUGO | S_IWUSR); |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 105 | MODULE_PARM_DESC(rport_del_timeout, "Rport delete timeout, default=90 secs, " |
| 106 | "Range[>0]"); |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 107 | module_param(bfa_lun_queue_depth, int, S_IRUGO | S_IWUSR); |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 108 | MODULE_PARM_DESC(bfa_lun_queue_depth, "Lun queue depth, default=32, Range[>0]"); |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 109 | module_param(bfa_io_max_sge, int, S_IRUGO | S_IWUSR); |
Jing Huang | 604158ad | 2010-07-08 19:59:49 -0700 | [diff] [blame] | 110 | MODULE_PARM_DESC(bfa_io_max_sge, "Max io scatter/gather elements, default=255"); |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 111 | module_param(log_level, int, S_IRUGO | S_IWUSR); |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 112 | MODULE_PARM_DESC(log_level, "Driver log level, default=3, " |
| 113 | "Range[Critical:1|Error:2|Warning:3|Info:4]"); |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 114 | module_param(ioc_auto_recover, int, S_IRUGO | S_IWUSR); |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 115 | MODULE_PARM_DESC(ioc_auto_recover, "IOC auto recovery, default=1, " |
| 116 | "Range[off:0|on:1]"); |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 117 | module_param(bfa_linkup_delay, int, S_IRUGO | S_IWUSR); |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 118 | MODULE_PARM_DESC(bfa_linkup_delay, "Link up delay, default=30 secs for " |
| 119 | "boot port. Otherwise 10 secs in RHEL4 & 0 for " |
| 120 | "[RHEL5, SLES10, ESX40] Range[>0]"); |
| 121 | module_param(msix_disable_cb, int, S_IRUGO | S_IWUSR); |
| 122 | MODULE_PARM_DESC(msix_disable_cb, "Disable Message Signaled Interrupts " |
| 123 | "for Brocade-415/425/815/825 cards, default=0, " |
| 124 | " Range[false:0|true:1]"); |
| 125 | module_param(msix_disable_ct, int, S_IRUGO | S_IWUSR); |
| 126 | MODULE_PARM_DESC(msix_disable_ct, "Disable Message Signaled Interrupts " |
| 127 | "if possible for Brocade-1010/1020/804/1007/902/1741 " |
| 128 | "cards, default=0, Range[false:0|true:1]"); |
Jing Huang | 604158ad | 2010-07-08 19:59:49 -0700 | [diff] [blame] | 129 | module_param(fdmi_enable, int, S_IRUGO | S_IWUSR); |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 130 | MODULE_PARM_DESC(fdmi_enable, "Enables fdmi registration, default=1, " |
| 131 | "Range[false:0|true:1]"); |
| 132 | module_param(pcie_max_read_reqsz, int, S_IRUGO | S_IWUSR); |
| 133 | MODULE_PARM_DESC(pcie_max_read_reqsz, "PCIe max read request size, default=0 " |
| 134 | "(use system setting), Range[128|256|512|1024|2048|4096]"); |
Jing Huang | ab2a9ba | 2010-07-08 20:02:55 -0700 | [diff] [blame] | 135 | module_param(bfa_debugfs_enable, int, S_IRUGO | S_IWUSR); |
| 136 | MODULE_PARM_DESC(bfa_debugfs_enable, "Enables debugfs feature, default=1," |
| 137 | " Range[false:0|true:1]"); |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 138 | |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 139 | static void |
| 140 | bfad_sm_uninit(struct bfad_s *bfad, enum bfad_sm_event event); |
| 141 | static void |
| 142 | bfad_sm_created(struct bfad_s *bfad, enum bfad_sm_event event); |
| 143 | static void |
| 144 | bfad_sm_initializing(struct bfad_s *bfad, enum bfad_sm_event event); |
| 145 | static void |
| 146 | bfad_sm_operational(struct bfad_s *bfad, enum bfad_sm_event event); |
| 147 | static void |
| 148 | bfad_sm_stopping(struct bfad_s *bfad, enum bfad_sm_event event); |
| 149 | static void |
| 150 | bfad_sm_failed(struct bfad_s *bfad, enum bfad_sm_event event); |
| 151 | static void |
| 152 | bfad_sm_fcs_exit(struct bfad_s *bfad, enum bfad_sm_event event); |
| 153 | |
| 154 | /** |
| 155 | * Beginning state for the driver instance, awaiting the pci_probe event |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 156 | */ |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 157 | static void |
| 158 | bfad_sm_uninit(struct bfad_s *bfad, enum bfad_sm_event event) |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 159 | { |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 160 | bfa_trc(bfad, event); |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 161 | |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 162 | switch (event) { |
| 163 | case BFAD_E_CREATE: |
| 164 | bfa_sm_set_state(bfad, bfad_sm_created); |
| 165 | bfad->bfad_tsk = kthread_create(bfad_worker, (void *) bfad, |
| 166 | "%s", "bfad_worker"); |
| 167 | if (IS_ERR(bfad->bfad_tsk)) { |
| 168 | printk(KERN_INFO "bfad[%d]: Kernel thread " |
| 169 | "creation failed!\n", bfad->inst_no); |
| 170 | bfa_sm_send_event(bfad, BFAD_E_KTHREAD_CREATE_FAILED); |
| 171 | } |
| 172 | bfa_sm_send_event(bfad, BFAD_E_INIT); |
| 173 | break; |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 174 | |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 175 | case BFAD_E_STOP: |
| 176 | /* Ignore stop; already in uninit */ |
| 177 | break; |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 178 | |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 179 | default: |
| 180 | bfa_sm_fault(bfad, event); |
| 181 | } |
| 182 | } |
Krishna Gudipati | e671432 | 2010-03-03 17:44:02 -0800 | [diff] [blame] | 183 | |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 184 | /** |
| 185 | * Driver Instance is created, awaiting event INIT to initialize the bfad |
| 186 | */ |
| 187 | static void |
| 188 | bfad_sm_created(struct bfad_s *bfad, enum bfad_sm_event event) |
| 189 | { |
| 190 | unsigned long flags; |
| 191 | |
| 192 | bfa_trc(bfad, event); |
| 193 | |
| 194 | switch (event) { |
| 195 | case BFAD_E_INIT: |
| 196 | bfa_sm_set_state(bfad, bfad_sm_initializing); |
| 197 | |
| 198 | init_completion(&bfad->comp); |
| 199 | |
| 200 | /* Enable Interrupt and wait bfa_init completion */ |
| 201 | if (bfad_setup_intr(bfad)) { |
| 202 | printk(KERN_WARNING "bfad%d: bfad_setup_intr failed\n", |
| 203 | bfad->inst_no); |
| 204 | bfa_sm_send_event(bfad, BFAD_E_INTR_INIT_FAILED); |
| 205 | break; |
| 206 | } |
| 207 | |
| 208 | spin_lock_irqsave(&bfad->bfad_lock, flags); |
| 209 | bfa_init(&bfad->bfa); |
| 210 | spin_unlock_irqrestore(&bfad->bfad_lock, flags); |
| 211 | |
| 212 | /* Set up interrupt handler for each vectors */ |
| 213 | if ((bfad->bfad_flags & BFAD_MSIX_ON) && |
| 214 | bfad_install_msix_handler(bfad)) { |
| 215 | printk(KERN_WARNING "%s: install_msix failed, bfad%d\n", |
| 216 | __func__, bfad->inst_no); |
| 217 | } |
| 218 | |
| 219 | bfad_init_timer(bfad); |
| 220 | |
| 221 | wait_for_completion(&bfad->comp); |
| 222 | |
| 223 | if ((bfad->bfad_flags & BFAD_HAL_INIT_DONE)) { |
| 224 | bfa_sm_send_event(bfad, BFAD_E_INIT_SUCCESS); |
| 225 | } else { |
| 226 | bfad->bfad_flags |= BFAD_HAL_INIT_FAIL; |
| 227 | bfa_sm_send_event(bfad, BFAD_E_INIT_FAILED); |
| 228 | } |
| 229 | |
| 230 | break; |
| 231 | |
| 232 | case BFAD_E_KTHREAD_CREATE_FAILED: |
| 233 | bfa_sm_set_state(bfad, bfad_sm_uninit); |
| 234 | break; |
| 235 | |
| 236 | default: |
| 237 | bfa_sm_fault(bfad, event); |
| 238 | } |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 239 | } |
| 240 | |
| 241 | static void |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 242 | bfad_sm_initializing(struct bfad_s *bfad, enum bfad_sm_event event) |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 243 | { |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 244 | int retval; |
| 245 | unsigned long flags; |
| 246 | |
| 247 | bfa_trc(bfad, event); |
| 248 | |
| 249 | switch (event) { |
| 250 | case BFAD_E_INIT_SUCCESS: |
| 251 | kthread_stop(bfad->bfad_tsk); |
| 252 | spin_lock_irqsave(&bfad->bfad_lock, flags); |
| 253 | bfad->bfad_tsk = NULL; |
| 254 | spin_unlock_irqrestore(&bfad->bfad_lock, flags); |
| 255 | |
| 256 | retval = bfad_start_ops(bfad); |
| 257 | if (retval != BFA_STATUS_OK) |
| 258 | break; |
| 259 | bfa_sm_set_state(bfad, bfad_sm_operational); |
| 260 | break; |
| 261 | |
| 262 | case BFAD_E_INTR_INIT_FAILED: |
| 263 | bfa_sm_set_state(bfad, bfad_sm_uninit); |
| 264 | kthread_stop(bfad->bfad_tsk); |
| 265 | spin_lock_irqsave(&bfad->bfad_lock, flags); |
| 266 | bfad->bfad_tsk = NULL; |
| 267 | spin_unlock_irqrestore(&bfad->bfad_lock, flags); |
| 268 | break; |
| 269 | |
| 270 | case BFAD_E_INIT_FAILED: |
| 271 | bfa_sm_set_state(bfad, bfad_sm_failed); |
| 272 | break; |
| 273 | default: |
| 274 | bfa_sm_fault(bfad, event); |
| 275 | } |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 276 | } |
| 277 | |
| 278 | static void |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 279 | bfad_sm_failed(struct bfad_s *bfad, enum bfad_sm_event event) |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 280 | { |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 281 | int retval; |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 282 | |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 283 | bfa_trc(bfad, event); |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 284 | |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 285 | switch (event) { |
| 286 | case BFAD_E_INIT_SUCCESS: |
| 287 | retval = bfad_start_ops(bfad); |
| 288 | if (retval != BFA_STATUS_OK) |
| 289 | break; |
| 290 | bfa_sm_set_state(bfad, bfad_sm_operational); |
| 291 | break; |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 292 | |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 293 | case BFAD_E_STOP: |
| 294 | if (bfad->bfad_flags & BFAD_CFG_PPORT_DONE) |
| 295 | bfad_uncfg_pport(bfad); |
| 296 | if (bfad->bfad_flags & BFAD_FC4_PROBE_DONE) { |
| 297 | bfad_im_probe_undo(bfad); |
| 298 | bfad->bfad_flags &= ~BFAD_FC4_PROBE_DONE; |
| 299 | } |
| 300 | bfad_stop(bfad); |
| 301 | break; |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 302 | |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 303 | case BFAD_E_EXIT_COMP: |
| 304 | bfa_sm_set_state(bfad, bfad_sm_uninit); |
| 305 | bfad_remove_intr(bfad); |
| 306 | del_timer_sync(&bfad->hal_tmo); |
| 307 | break; |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 308 | |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 309 | default: |
| 310 | bfa_sm_fault(bfad, event); |
| 311 | } |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 312 | } |
| 313 | |
| 314 | static void |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 315 | bfad_sm_operational(struct bfad_s *bfad, enum bfad_sm_event event) |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 316 | { |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 317 | bfa_trc(bfad, event); |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 318 | |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 319 | switch (event) { |
| 320 | case BFAD_E_STOP: |
| 321 | bfa_sm_set_state(bfad, bfad_sm_fcs_exit); |
| 322 | bfad_fcs_stop(bfad); |
| 323 | break; |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 324 | |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 325 | default: |
| 326 | bfa_sm_fault(bfad, event); |
| 327 | } |
| 328 | } |
| 329 | |
| 330 | static void |
| 331 | bfad_sm_fcs_exit(struct bfad_s *bfad, enum bfad_sm_event event) |
| 332 | { |
| 333 | bfa_trc(bfad, event); |
| 334 | |
| 335 | switch (event) { |
| 336 | case BFAD_E_FCS_EXIT_COMP: |
| 337 | bfa_sm_set_state(bfad, bfad_sm_stopping); |
| 338 | bfad_stop(bfad); |
| 339 | break; |
| 340 | |
| 341 | default: |
| 342 | bfa_sm_fault(bfad, event); |
| 343 | } |
| 344 | } |
| 345 | |
| 346 | static void |
| 347 | bfad_sm_stopping(struct bfad_s *bfad, enum bfad_sm_event event) |
| 348 | { |
| 349 | bfa_trc(bfad, event); |
| 350 | |
| 351 | switch (event) { |
| 352 | case BFAD_E_EXIT_COMP: |
| 353 | bfa_sm_set_state(bfad, bfad_sm_uninit); |
| 354 | bfad_remove_intr(bfad); |
| 355 | del_timer_sync(&bfad->hal_tmo); |
| 356 | bfad_im_probe_undo(bfad); |
| 357 | bfad->bfad_flags &= ~BFAD_FC4_PROBE_DONE; |
| 358 | bfad_uncfg_pport(bfad); |
| 359 | break; |
| 360 | |
| 361 | default: |
| 362 | bfa_sm_fault(bfad, event); |
| 363 | break; |
| 364 | } |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 365 | } |
| 366 | |
| 367 | /** |
| 368 | * BFA callbacks |
| 369 | */ |
| 370 | void |
| 371 | bfad_hcb_comp(void *arg, bfa_status_t status) |
| 372 | { |
| 373 | struct bfad_hal_comp *fcomp = (struct bfad_hal_comp *)arg; |
| 374 | |
| 375 | fcomp->status = status; |
| 376 | complete(&fcomp->comp); |
| 377 | } |
| 378 | |
| 379 | /** |
| 380 | * bfa_init callback |
| 381 | */ |
| 382 | void |
| 383 | bfa_cb_init(void *drv, bfa_status_t init_status) |
| 384 | { |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 385 | struct bfad_s *bfad = drv; |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 386 | |
Krishna Gudipati | e671432 | 2010-03-03 17:44:02 -0800 | [diff] [blame] | 387 | if (init_status == BFA_STATUS_OK) { |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 388 | bfad->bfad_flags |= BFAD_HAL_INIT_DONE; |
| 389 | |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 390 | /* |
| 391 | * If BFAD_HAL_INIT_FAIL flag is set: |
Krishna Gudipati | e671432 | 2010-03-03 17:44:02 -0800 | [diff] [blame] | 392 | * Wake up the kernel thread to start |
| 393 | * the bfad operations after HAL init done |
| 394 | */ |
| 395 | if ((bfad->bfad_flags & BFAD_HAL_INIT_FAIL)) { |
| 396 | bfad->bfad_flags &= ~BFAD_HAL_INIT_FAIL; |
| 397 | wake_up_process(bfad->bfad_tsk); |
| 398 | } |
| 399 | } |
| 400 | |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 401 | complete(&bfad->comp); |
| 402 | } |
| 403 | |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 404 | /** |
| 405 | * BFA_FCS callbacks |
| 406 | */ |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 407 | struct bfad_port_s * |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 408 | bfa_fcb_lport_new(struct bfad_s *bfad, struct bfa_fcs_lport_s *port, |
| 409 | enum bfa_lport_role roles, struct bfad_vf_s *vf_drv, |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 410 | struct bfad_vport_s *vp_drv) |
| 411 | { |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 412 | bfa_status_t rc; |
| 413 | struct bfad_port_s *port_drv; |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 414 | |
| 415 | if (!vp_drv && !vf_drv) { |
| 416 | port_drv = &bfad->pport; |
| 417 | port_drv->pvb_type = BFAD_PORT_PHYS_BASE; |
| 418 | } else if (!vp_drv && vf_drv) { |
| 419 | port_drv = &vf_drv->base_port; |
| 420 | port_drv->pvb_type = BFAD_PORT_VF_BASE; |
| 421 | } else if (vp_drv && !vf_drv) { |
| 422 | port_drv = &vp_drv->drv_port; |
| 423 | port_drv->pvb_type = BFAD_PORT_PHYS_VPORT; |
| 424 | } else { |
| 425 | port_drv = &vp_drv->drv_port; |
| 426 | port_drv->pvb_type = BFAD_PORT_VF_VPORT; |
| 427 | } |
| 428 | |
| 429 | port_drv->fcs_port = port; |
| 430 | port_drv->roles = roles; |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 431 | |
| 432 | if (roles & BFA_LPORT_ROLE_FCP_IM) { |
| 433 | rc = bfad_im_port_new(bfad, port_drv); |
| 434 | if (rc != BFA_STATUS_OK) { |
| 435 | bfad_im_port_delete(bfad, port_drv); |
| 436 | port_drv = NULL; |
| 437 | } |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 438 | } |
| 439 | |
| 440 | return port_drv; |
| 441 | } |
| 442 | |
| 443 | void |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 444 | bfa_fcb_lport_delete(struct bfad_s *bfad, enum bfa_lport_role roles, |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 445 | struct bfad_vf_s *vf_drv, struct bfad_vport_s *vp_drv) |
| 446 | { |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 447 | struct bfad_port_s *port_drv; |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 448 | |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 449 | /* this will be only called from rmmod context */ |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 450 | if (vp_drv && !vp_drv->comp_del) { |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 451 | port_drv = (vp_drv) ? (&(vp_drv)->drv_port) : |
| 452 | ((vf_drv) ? (&(vf_drv)->base_port) : |
| 453 | (&(bfad)->pport)); |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 454 | bfa_trc(bfad, roles); |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 455 | if (roles & BFA_LPORT_ROLE_FCP_IM) |
| 456 | bfad_im_port_delete(bfad, port_drv); |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 457 | } |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 458 | } |
| 459 | |
| 460 | /** |
| 461 | * FCS RPORT alloc callback, after successful PLOGI by FCS |
| 462 | */ |
| 463 | bfa_status_t |
| 464 | bfa_fcb_rport_alloc(struct bfad_s *bfad, struct bfa_fcs_rport_s **rport, |
| 465 | struct bfad_rport_s **rport_drv) |
| 466 | { |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 467 | bfa_status_t rc = BFA_STATUS_OK; |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 468 | |
| 469 | *rport_drv = kzalloc(sizeof(struct bfad_rport_s), GFP_ATOMIC); |
| 470 | if (*rport_drv == NULL) { |
| 471 | rc = BFA_STATUS_ENOMEM; |
| 472 | goto ext; |
| 473 | } |
| 474 | |
| 475 | *rport = &(*rport_drv)->fcs_rport; |
| 476 | |
| 477 | ext: |
| 478 | return rc; |
| 479 | } |
| 480 | |
Jing Huang | d988354 | 2010-07-08 19:46:26 -0700 | [diff] [blame] | 481 | /** |
Jing Huang | d988354 | 2010-07-08 19:46:26 -0700 | [diff] [blame] | 482 | * FCS PBC VPORT Create |
| 483 | */ |
| 484 | void |
| 485 | bfa_fcb_pbc_vport_create(struct bfad_s *bfad, struct bfi_pbc_vport_s pbc_vport) |
| 486 | { |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 487 | |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 488 | struct bfa_lport_cfg_s port_cfg = {0}; |
| 489 | struct bfad_vport_s *vport; |
| 490 | int rc; |
Jing Huang | d988354 | 2010-07-08 19:46:26 -0700 | [diff] [blame] | 491 | |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 492 | vport = kzalloc(sizeof(struct bfad_vport_s), GFP_KERNEL); |
| 493 | if (!vport) { |
Jing Huang | d988354 | 2010-07-08 19:46:26 -0700 | [diff] [blame] | 494 | bfa_trc(bfad, 0); |
| 495 | return; |
| 496 | } |
| 497 | |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 498 | vport->drv_port.bfad = bfad; |
| 499 | port_cfg.roles = BFA_LPORT_ROLE_FCP_IM; |
| 500 | port_cfg.pwwn = pbc_vport.vp_pwwn; |
| 501 | port_cfg.nwwn = pbc_vport.vp_nwwn; |
| 502 | port_cfg.preboot_vp = BFA_TRUE; |
Jing Huang | d988354 | 2010-07-08 19:46:26 -0700 | [diff] [blame] | 503 | |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 504 | rc = bfa_fcs_pbc_vport_create(&vport->fcs_vport, &bfad->bfa_fcs, 0, |
| 505 | &port_cfg, vport); |
Jing Huang | d988354 | 2010-07-08 19:46:26 -0700 | [diff] [blame] | 506 | |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 507 | if (rc != BFA_STATUS_OK) { |
| 508 | bfa_trc(bfad, 0); |
| 509 | return; |
| 510 | } |
| 511 | |
| 512 | list_add_tail(&vport->list_entry, &bfad->pbc_vport_list); |
Jing Huang | d988354 | 2010-07-08 19:46:26 -0700 | [diff] [blame] | 513 | } |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 514 | |
| 515 | void |
| 516 | bfad_hal_mem_release(struct bfad_s *bfad) |
| 517 | { |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 518 | int i; |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 519 | struct bfa_meminfo_s *hal_meminfo = &bfad->meminfo; |
| 520 | struct bfa_mem_elem_s *meminfo_elem; |
| 521 | |
| 522 | for (i = 0; i < BFA_MEM_TYPE_MAX; i++) { |
| 523 | meminfo_elem = &hal_meminfo->meminfo[i]; |
| 524 | if (meminfo_elem->kva != NULL) { |
| 525 | switch (meminfo_elem->mem_type) { |
| 526 | case BFA_MEM_TYPE_KVA: |
| 527 | vfree(meminfo_elem->kva); |
| 528 | break; |
| 529 | case BFA_MEM_TYPE_DMA: |
| 530 | dma_free_coherent(&bfad->pcidev->dev, |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 531 | meminfo_elem->mem_len, |
| 532 | meminfo_elem->kva, |
| 533 | (dma_addr_t) meminfo_elem->dma); |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 534 | break; |
| 535 | default: |
| 536 | bfa_assert(0); |
| 537 | break; |
| 538 | } |
| 539 | } |
| 540 | } |
| 541 | |
| 542 | memset(hal_meminfo, 0, sizeof(struct bfa_meminfo_s)); |
| 543 | } |
| 544 | |
| 545 | void |
| 546 | bfad_update_hal_cfg(struct bfa_iocfc_cfg_s *bfa_cfg) |
| 547 | { |
| 548 | if (num_rports > 0) |
| 549 | bfa_cfg->fwcfg.num_rports = num_rports; |
| 550 | if (num_ios > 0) |
| 551 | bfa_cfg->fwcfg.num_ioim_reqs = num_ios; |
| 552 | if (num_tms > 0) |
| 553 | bfa_cfg->fwcfg.num_tskim_reqs = num_tms; |
| 554 | if (num_fcxps > 0) |
| 555 | bfa_cfg->fwcfg.num_fcxp_reqs = num_fcxps; |
| 556 | if (num_ufbufs > 0) |
| 557 | bfa_cfg->fwcfg.num_uf_bufs = num_ufbufs; |
| 558 | if (reqq_size > 0) |
| 559 | bfa_cfg->drvcfg.num_reqq_elems = reqq_size; |
| 560 | if (rspq_size > 0) |
| 561 | bfa_cfg->drvcfg.num_rspq_elems = rspq_size; |
| 562 | if (num_sgpgs > 0) |
| 563 | bfa_cfg->drvcfg.num_sgpgs = num_sgpgs; |
| 564 | |
| 565 | /* |
| 566 | * populate the hal values back to the driver for sysfs use. |
| 567 | * otherwise, the default values will be shown as 0 in sysfs |
| 568 | */ |
| 569 | num_rports = bfa_cfg->fwcfg.num_rports; |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 570 | num_ios = bfa_cfg->fwcfg.num_ioim_reqs; |
| 571 | num_tms = bfa_cfg->fwcfg.num_tskim_reqs; |
| 572 | num_fcxps = bfa_cfg->fwcfg.num_fcxp_reqs; |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 573 | num_ufbufs = bfa_cfg->fwcfg.num_uf_bufs; |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 574 | reqq_size = bfa_cfg->drvcfg.num_reqq_elems; |
| 575 | rspq_size = bfa_cfg->drvcfg.num_rspq_elems; |
| 576 | num_sgpgs = bfa_cfg->drvcfg.num_sgpgs; |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 577 | } |
| 578 | |
| 579 | bfa_status_t |
| 580 | bfad_hal_mem_alloc(struct bfad_s *bfad) |
| 581 | { |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 582 | int i; |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 583 | struct bfa_meminfo_s *hal_meminfo = &bfad->meminfo; |
| 584 | struct bfa_mem_elem_s *meminfo_elem; |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 585 | dma_addr_t phys_addr; |
| 586 | void *kva; |
| 587 | bfa_status_t rc = BFA_STATUS_OK; |
| 588 | int retry_count = 0; |
| 589 | int reset_value = 1; |
| 590 | int min_num_sgpgs = 512; |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 591 | |
| 592 | bfa_cfg_get_default(&bfad->ioc_cfg); |
| 593 | |
| 594 | retry: |
| 595 | bfad_update_hal_cfg(&bfad->ioc_cfg); |
| 596 | bfad->cfg_data.ioc_queue_depth = bfad->ioc_cfg.fwcfg.num_ioim_reqs; |
| 597 | bfa_cfg_get_meminfo(&bfad->ioc_cfg, hal_meminfo); |
| 598 | |
| 599 | for (i = 0; i < BFA_MEM_TYPE_MAX; i++) { |
| 600 | meminfo_elem = &hal_meminfo->meminfo[i]; |
| 601 | switch (meminfo_elem->mem_type) { |
| 602 | case BFA_MEM_TYPE_KVA: |
| 603 | kva = vmalloc(meminfo_elem->mem_len); |
| 604 | if (kva == NULL) { |
| 605 | bfad_hal_mem_release(bfad); |
| 606 | rc = BFA_STATUS_ENOMEM; |
| 607 | goto ext; |
| 608 | } |
| 609 | memset(kva, 0, meminfo_elem->mem_len); |
| 610 | meminfo_elem->kva = kva; |
| 611 | break; |
| 612 | case BFA_MEM_TYPE_DMA: |
| 613 | kva = dma_alloc_coherent(&bfad->pcidev->dev, |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 614 | meminfo_elem->mem_len, &phys_addr, GFP_KERNEL); |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 615 | if (kva == NULL) { |
| 616 | bfad_hal_mem_release(bfad); |
| 617 | /* |
| 618 | * If we cannot allocate with default |
| 619 | * num_sgpages try with half the value. |
| 620 | */ |
| 621 | if (num_sgpgs > min_num_sgpgs) { |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 622 | printk(KERN_INFO |
| 623 | "bfad[%d]: memory allocation failed" |
| 624 | " with num_sgpgs: %d\n", |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 625 | bfad->inst_no, num_sgpgs); |
| 626 | nextLowerInt(&num_sgpgs); |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 627 | printk(KERN_INFO |
| 628 | "bfad[%d]: trying to allocate memory" |
| 629 | " with num_sgpgs: %d\n", |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 630 | bfad->inst_no, num_sgpgs); |
| 631 | retry_count++; |
| 632 | goto retry; |
| 633 | } else { |
| 634 | if (num_sgpgs_parm > 0) |
| 635 | num_sgpgs = num_sgpgs_parm; |
| 636 | else { |
| 637 | reset_value = |
| 638 | (1 << retry_count); |
| 639 | num_sgpgs *= reset_value; |
| 640 | } |
| 641 | rc = BFA_STATUS_ENOMEM; |
| 642 | goto ext; |
| 643 | } |
| 644 | } |
| 645 | |
| 646 | if (num_sgpgs_parm > 0) |
| 647 | num_sgpgs = num_sgpgs_parm; |
| 648 | else { |
| 649 | reset_value = (1 << retry_count); |
| 650 | num_sgpgs *= reset_value; |
| 651 | } |
| 652 | |
| 653 | memset(kva, 0, meminfo_elem->mem_len); |
| 654 | meminfo_elem->kva = kva; |
| 655 | meminfo_elem->dma = phys_addr; |
| 656 | break; |
| 657 | default: |
| 658 | break; |
| 659 | |
| 660 | } |
| 661 | } |
| 662 | ext: |
| 663 | return rc; |
| 664 | } |
| 665 | |
| 666 | /** |
| 667 | * Create a vport under a vf. |
| 668 | */ |
| 669 | bfa_status_t |
| 670 | bfad_vport_create(struct bfad_s *bfad, u16 vf_id, |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 671 | struct bfa_lport_cfg_s *port_cfg, struct device *dev) |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 672 | { |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 673 | struct bfad_vport_s *vport; |
| 674 | int rc = BFA_STATUS_OK; |
| 675 | unsigned long flags; |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 676 | struct completion fcomp; |
| 677 | |
| 678 | vport = kzalloc(sizeof(struct bfad_vport_s), GFP_KERNEL); |
| 679 | if (!vport) { |
| 680 | rc = BFA_STATUS_ENOMEM; |
| 681 | goto ext; |
| 682 | } |
| 683 | |
| 684 | vport->drv_port.bfad = bfad; |
| 685 | spin_lock_irqsave(&bfad->bfad_lock, flags); |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 686 | rc = bfa_fcs_vport_create(&vport->fcs_vport, &bfad->bfa_fcs, vf_id, |
| 687 | port_cfg, vport); |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 688 | spin_unlock_irqrestore(&bfad->bfad_lock, flags); |
| 689 | |
| 690 | if (rc != BFA_STATUS_OK) |
| 691 | goto ext_free_vport; |
| 692 | |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 693 | if (port_cfg->roles & BFA_LPORT_ROLE_FCP_IM) { |
Jing Huang | b504293 | 2010-03-19 11:05:39 -0700 | [diff] [blame] | 694 | rc = bfad_im_scsi_host_alloc(bfad, vport->drv_port.im_port, |
| 695 | dev); |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 696 | if (rc != BFA_STATUS_OK) |
| 697 | goto ext_free_fcs_vport; |
| 698 | } |
| 699 | |
| 700 | spin_lock_irqsave(&bfad->bfad_lock, flags); |
| 701 | bfa_fcs_vport_start(&vport->fcs_vport); |
| 702 | spin_unlock_irqrestore(&bfad->bfad_lock, flags); |
| 703 | |
| 704 | return BFA_STATUS_OK; |
| 705 | |
| 706 | ext_free_fcs_vport: |
| 707 | spin_lock_irqsave(&bfad->bfad_lock, flags); |
| 708 | vport->comp_del = &fcomp; |
| 709 | init_completion(vport->comp_del); |
| 710 | bfa_fcs_vport_delete(&vport->fcs_vport); |
| 711 | spin_unlock_irqrestore(&bfad->bfad_lock, flags); |
| 712 | wait_for_completion(vport->comp_del); |
| 713 | ext_free_vport: |
| 714 | kfree(vport); |
| 715 | ext: |
| 716 | return rc; |
| 717 | } |
| 718 | |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 719 | void |
| 720 | bfad_bfa_tmo(unsigned long data) |
| 721 | { |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 722 | struct bfad_s *bfad = (struct bfad_s *) data; |
| 723 | unsigned long flags; |
| 724 | struct list_head doneq; |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 725 | |
| 726 | spin_lock_irqsave(&bfad->bfad_lock, flags); |
| 727 | |
| 728 | bfa_timer_tick(&bfad->bfa); |
| 729 | |
| 730 | bfa_comp_deq(&bfad->bfa, &doneq); |
| 731 | spin_unlock_irqrestore(&bfad->bfad_lock, flags); |
| 732 | |
| 733 | if (!list_empty(&doneq)) { |
| 734 | bfa_comp_process(&bfad->bfa, &doneq); |
| 735 | spin_lock_irqsave(&bfad->bfad_lock, flags); |
| 736 | bfa_comp_free(&bfad->bfa, &doneq); |
| 737 | spin_unlock_irqrestore(&bfad->bfad_lock, flags); |
| 738 | } |
| 739 | |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 740 | mod_timer(&bfad->hal_tmo, |
| 741 | jiffies + msecs_to_jiffies(BFA_TIMER_FREQ)); |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 742 | } |
| 743 | |
| 744 | void |
| 745 | bfad_init_timer(struct bfad_s *bfad) |
| 746 | { |
| 747 | init_timer(&bfad->hal_tmo); |
| 748 | bfad->hal_tmo.function = bfad_bfa_tmo; |
| 749 | bfad->hal_tmo.data = (unsigned long)bfad; |
| 750 | |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 751 | mod_timer(&bfad->hal_tmo, |
| 752 | jiffies + msecs_to_jiffies(BFA_TIMER_FREQ)); |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 753 | } |
| 754 | |
| 755 | int |
| 756 | bfad_pci_init(struct pci_dev *pdev, struct bfad_s *bfad) |
| 757 | { |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 758 | int rc = -ENODEV; |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 759 | |
| 760 | if (pci_enable_device(pdev)) { |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 761 | printk(KERN_ERR "pci_enable_device fail %p\n", pdev); |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 762 | goto out; |
| 763 | } |
| 764 | |
| 765 | if (pci_request_regions(pdev, BFAD_DRIVER_NAME)) |
| 766 | goto out_disable_device; |
| 767 | |
| 768 | pci_set_master(pdev); |
| 769 | |
| 770 | |
| 771 | if (pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) != 0) |
| 772 | if (pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) != 0) { |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 773 | printk(KERN_ERR "pci_set_dma_mask fail %p\n", pdev); |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 774 | goto out_release_region; |
| 775 | } |
| 776 | |
Jing Huang | b3522f0 | 2010-03-19 11:06:44 -0700 | [diff] [blame] | 777 | bfad->pci_bar0_kva = pci_iomap(pdev, 0, pci_resource_len(pdev, 0)); |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 778 | |
| 779 | if (bfad->pci_bar0_kva == NULL) { |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 780 | printk(KERN_ERR "Fail to map bar0\n"); |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 781 | goto out_release_region; |
| 782 | } |
| 783 | |
| 784 | bfad->hal_pcidev.pci_slot = PCI_SLOT(pdev->devfn); |
| 785 | bfad->hal_pcidev.pci_func = PCI_FUNC(pdev->devfn); |
| 786 | bfad->hal_pcidev.pci_bar_kva = bfad->pci_bar0_kva; |
| 787 | bfad->hal_pcidev.device_id = pdev->device; |
| 788 | bfad->pci_name = pci_name(pdev); |
| 789 | |
| 790 | bfad->pci_attr.vendor_id = pdev->vendor; |
| 791 | bfad->pci_attr.device_id = pdev->device; |
| 792 | bfad->pci_attr.ssid = pdev->subsystem_device; |
| 793 | bfad->pci_attr.ssvid = pdev->subsystem_vendor; |
| 794 | bfad->pci_attr.pcifn = PCI_FUNC(pdev->devfn); |
| 795 | |
| 796 | bfad->pcidev = pdev; |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 797 | |
| 798 | /* Adjust PCIe Maximum Read Request Size */ |
| 799 | if (pcie_max_read_reqsz > 0) { |
| 800 | int pcie_cap_reg; |
| 801 | u16 pcie_dev_ctl; |
| 802 | u16 mask = 0xffff; |
| 803 | |
| 804 | switch (pcie_max_read_reqsz) { |
| 805 | case 128: |
| 806 | mask = 0x0; |
| 807 | break; |
| 808 | case 256: |
| 809 | mask = 0x1000; |
| 810 | break; |
| 811 | case 512: |
| 812 | mask = 0x2000; |
| 813 | break; |
| 814 | case 1024: |
| 815 | mask = 0x3000; |
| 816 | break; |
| 817 | case 2048: |
| 818 | mask = 0x4000; |
| 819 | break; |
| 820 | case 4096: |
| 821 | mask = 0x5000; |
| 822 | break; |
| 823 | default: |
| 824 | break; |
| 825 | } |
| 826 | |
| 827 | pcie_cap_reg = pci_find_capability(pdev, PCI_CAP_ID_EXP); |
| 828 | if (mask != 0xffff && pcie_cap_reg) { |
| 829 | pcie_cap_reg += 0x08; |
| 830 | pci_read_config_word(pdev, pcie_cap_reg, &pcie_dev_ctl); |
| 831 | if ((pcie_dev_ctl & 0x7000) != mask) { |
| 832 | printk(KERN_WARNING "BFA[%s]: " |
| 833 | "pcie_max_read_request_size is %d, " |
| 834 | "reset to %d\n", bfad->pci_name, |
| 835 | (1 << ((pcie_dev_ctl & 0x7000) >> 12)) << 7, |
| 836 | pcie_max_read_reqsz); |
| 837 | |
| 838 | pcie_dev_ctl &= ~0x7000; |
| 839 | pci_write_config_word(pdev, pcie_cap_reg, |
| 840 | pcie_dev_ctl | mask); |
| 841 | } |
| 842 | } |
| 843 | } |
| 844 | |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 845 | return 0; |
| 846 | |
| 847 | out_release_region: |
| 848 | pci_release_regions(pdev); |
| 849 | out_disable_device: |
| 850 | pci_disable_device(pdev); |
| 851 | out: |
| 852 | return rc; |
| 853 | } |
| 854 | |
| 855 | void |
| 856 | bfad_pci_uninit(struct pci_dev *pdev, struct bfad_s *bfad) |
| 857 | { |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 858 | pci_iounmap(pdev, bfad->pci_bar0_kva); |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 859 | pci_release_regions(pdev); |
| 860 | pci_disable_device(pdev); |
| 861 | pci_set_drvdata(pdev, NULL); |
| 862 | } |
| 863 | |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 864 | bfa_status_t |
| 865 | bfad_drv_init(struct bfad_s *bfad) |
| 866 | { |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 867 | bfa_status_t rc; |
| 868 | unsigned long flags; |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 869 | |
| 870 | bfad->cfg_data.rport_del_timeout = rport_del_timeout; |
| 871 | bfad->cfg_data.lun_queue_depth = bfa_lun_queue_depth; |
| 872 | bfad->cfg_data.io_max_sge = bfa_io_max_sge; |
| 873 | bfad->cfg_data.binding_method = FCP_PWWN_BINDING; |
| 874 | |
| 875 | rc = bfad_hal_mem_alloc(bfad); |
| 876 | if (rc != BFA_STATUS_OK) { |
| 877 | printk(KERN_WARNING "bfad%d bfad_hal_mem_alloc failure\n", |
| 878 | bfad->inst_no); |
| 879 | printk(KERN_WARNING |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 880 | "Not enough memory to attach all Brocade HBA ports, %s", |
| 881 | "System may need more memory.\n"); |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 882 | goto out_hal_mem_alloc_failure; |
| 883 | } |
| 884 | |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 885 | bfa_init_trc(&bfad->bfa, bfad->trcmod); |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 886 | bfa_init_plog(&bfad->bfa, &bfad->plog_buf); |
| 887 | bfa_plog_init(&bfad->plog_buf); |
| 888 | bfa_plog_str(&bfad->plog_buf, BFA_PL_MID_DRVR, BFA_PL_EID_DRIVER_START, |
| 889 | 0, "Driver Attach"); |
| 890 | |
| 891 | bfa_attach(&bfad->bfa, bfad, &bfad->ioc_cfg, &bfad->meminfo, |
| 892 | &bfad->hal_pcidev); |
| 893 | |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 894 | /* FCS INIT */ |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 895 | spin_lock_irqsave(&bfad->bfad_lock, flags); |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 896 | bfa_fcs_trc_init(&bfad->bfa_fcs, bfad->trcmod); |
Krishna Gudipati | 82794a2 | 2010-03-03 17:43:30 -0800 | [diff] [blame] | 897 | bfa_fcs_attach(&bfad->bfa_fcs, &bfad->bfa, bfad, BFA_FALSE); |
Krishna Gudipati | 5b09808 | 2010-03-03 17:43:19 -0800 | [diff] [blame] | 898 | bfa_fcs_set_fdmi_param(&bfad->bfa_fcs, fdmi_enable); |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 899 | spin_unlock_irqrestore(&bfad->bfad_lock, flags); |
| 900 | |
| 901 | bfad->bfad_flags |= BFAD_DRV_INIT_DONE; |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 902 | |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 903 | return BFA_STATUS_OK; |
| 904 | |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 905 | out_hal_mem_alloc_failure: |
| 906 | return BFA_STATUS_FAILED; |
| 907 | } |
| 908 | |
| 909 | void |
| 910 | bfad_drv_uninit(struct bfad_s *bfad) |
| 911 | { |
Krishna Gudipati | e671432 | 2010-03-03 17:44:02 -0800 | [diff] [blame] | 912 | unsigned long flags; |
| 913 | |
| 914 | spin_lock_irqsave(&bfad->bfad_lock, flags); |
| 915 | init_completion(&bfad->comp); |
| 916 | bfa_stop(&bfad->bfa); |
| 917 | spin_unlock_irqrestore(&bfad->bfad_lock, flags); |
| 918 | wait_for_completion(&bfad->comp); |
| 919 | |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 920 | del_timer_sync(&bfad->hal_tmo); |
| 921 | bfa_isr_disable(&bfad->bfa); |
| 922 | bfa_detach(&bfad->bfa); |
| 923 | bfad_remove_intr(bfad); |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 924 | bfad_hal_mem_release(bfad); |
Krishna Gudipati | e671432 | 2010-03-03 17:44:02 -0800 | [diff] [blame] | 925 | |
| 926 | bfad->bfad_flags &= ~BFAD_DRV_INIT_DONE; |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 927 | } |
| 928 | |
| 929 | void |
| 930 | bfad_drv_start(struct bfad_s *bfad) |
| 931 | { |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 932 | unsigned long flags; |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 933 | |
| 934 | spin_lock_irqsave(&bfad->bfad_lock, flags); |
| 935 | bfa_start(&bfad->bfa); |
| 936 | bfa_fcs_start(&bfad->bfa_fcs); |
| 937 | bfad->bfad_flags |= BFAD_HAL_START_DONE; |
| 938 | spin_unlock_irqrestore(&bfad->bfad_lock, flags); |
| 939 | |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 940 | if (bfad->im) |
| 941 | flush_workqueue(bfad->im->drv_workq); |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 942 | } |
| 943 | |
| 944 | void |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 945 | bfad_fcs_stop(struct bfad_s *bfad) |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 946 | { |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 947 | unsigned long flags; |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 948 | |
| 949 | spin_lock_irqsave(&bfad->bfad_lock, flags); |
| 950 | init_completion(&bfad->comp); |
| 951 | bfad->pport.flags |= BFAD_PORT_DELETE; |
| 952 | bfa_fcs_exit(&bfad->bfa_fcs); |
| 953 | spin_unlock_irqrestore(&bfad->bfad_lock, flags); |
| 954 | wait_for_completion(&bfad->comp); |
| 955 | |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 956 | bfa_sm_send_event(bfad, BFAD_E_FCS_EXIT_COMP); |
| 957 | } |
| 958 | |
| 959 | void |
| 960 | bfad_stop(struct bfad_s *bfad) |
| 961 | { |
| 962 | unsigned long flags; |
| 963 | |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 964 | spin_lock_irqsave(&bfad->bfad_lock, flags); |
| 965 | init_completion(&bfad->comp); |
| 966 | bfa_stop(&bfad->bfa); |
| 967 | bfad->bfad_flags &= ~BFAD_HAL_START_DONE; |
| 968 | spin_unlock_irqrestore(&bfad->bfad_lock, flags); |
| 969 | wait_for_completion(&bfad->comp); |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 970 | |
| 971 | bfa_sm_send_event(bfad, BFAD_E_EXIT_COMP); |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 972 | } |
| 973 | |
| 974 | bfa_status_t |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 975 | bfad_cfg_pport(struct bfad_s *bfad, enum bfa_lport_role role) |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 976 | { |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 977 | int rc = BFA_STATUS_OK; |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 978 | |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 979 | /* Allocate scsi_host for the physical port */ |
| 980 | if ((supported_fc4s & BFA_LPORT_ROLE_FCP_IM) && |
| 981 | (role & BFA_LPORT_ROLE_FCP_IM)) { |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 982 | if (bfad->pport.im_port == NULL) { |
| 983 | rc = BFA_STATUS_FAILED; |
| 984 | goto out; |
| 985 | } |
| 986 | |
Jing Huang | b504293 | 2010-03-19 11:05:39 -0700 | [diff] [blame] | 987 | rc = bfad_im_scsi_host_alloc(bfad, bfad->pport.im_port, |
| 988 | &bfad->pcidev->dev); |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 989 | if (rc != BFA_STATUS_OK) |
| 990 | goto out; |
| 991 | |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 992 | bfad->pport.roles |= BFA_LPORT_ROLE_FCP_IM; |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 993 | } |
| 994 | |
Jing Huang | ab2a9ba | 2010-07-08 20:02:55 -0700 | [diff] [blame] | 995 | /* Setup the debugfs node for this scsi_host */ |
| 996 | if (bfa_debugfs_enable) |
| 997 | bfad_debugfs_init(&bfad->pport); |
| 998 | |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 999 | bfad->bfad_flags |= BFAD_CFG_PPORT_DONE; |
| 1000 | |
| 1001 | out: |
| 1002 | return rc; |
| 1003 | } |
| 1004 | |
| 1005 | void |
| 1006 | bfad_uncfg_pport(struct bfad_s *bfad) |
| 1007 | { |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 1008 | /* Remove the debugfs node for this scsi_host */ |
Jing Huang | ab2a9ba | 2010-07-08 20:02:55 -0700 | [diff] [blame] | 1009 | kfree(bfad->regdata); |
| 1010 | bfad_debugfs_exit(&bfad->pport); |
| 1011 | |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 1012 | if ((supported_fc4s & BFA_LPORT_ROLE_FCP_IM) && |
| 1013 | (bfad->pport.roles & BFA_LPORT_ROLE_FCP_IM)) { |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 1014 | bfad_im_scsi_host_free(bfad, bfad->pport.im_port); |
| 1015 | bfad_im_port_clean(bfad->pport.im_port); |
| 1016 | kfree(bfad->pport.im_port); |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 1017 | bfad->pport.roles &= ~BFA_LPORT_ROLE_FCP_IM; |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 1018 | } |
| 1019 | |
| 1020 | bfad->bfad_flags &= ~BFAD_CFG_PPORT_DONE; |
| 1021 | } |
| 1022 | |
Krishna Gudipati | e671432 | 2010-03-03 17:44:02 -0800 | [diff] [blame] | 1023 | bfa_status_t |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 1024 | bfad_start_ops(struct bfad_s *bfad) { |
| 1025 | |
| 1026 | int retval; |
| 1027 | unsigned long flags; |
| 1028 | struct bfad_vport_s *vport, *vport_new; |
| 1029 | struct bfa_fcs_driver_info_s driver_info; |
| 1030 | |
| 1031 | /* Fill the driver_info info to fcs*/ |
| 1032 | memset(&driver_info, 0, sizeof(driver_info)); |
| 1033 | strncpy(driver_info.version, BFAD_DRIVER_VERSION, |
| 1034 | sizeof(driver_info.version) - 1); |
| 1035 | if (host_name) |
| 1036 | strncpy(driver_info.host_machine_name, host_name, |
| 1037 | sizeof(driver_info.host_machine_name) - 1); |
| 1038 | if (os_name) |
| 1039 | strncpy(driver_info.host_os_name, os_name, |
| 1040 | sizeof(driver_info.host_os_name) - 1); |
| 1041 | if (os_patch) |
| 1042 | strncpy(driver_info.host_os_patch, os_patch, |
| 1043 | sizeof(driver_info.host_os_patch) - 1); |
| 1044 | |
| 1045 | strncpy(driver_info.os_device_name, bfad->pci_name, |
| 1046 | sizeof(driver_info.os_device_name - 1)); |
| 1047 | |
| 1048 | /* FCS INIT */ |
| 1049 | spin_lock_irqsave(&bfad->bfad_lock, flags); |
| 1050 | bfa_fcs_driver_info_init(&bfad->bfa_fcs, &driver_info); |
| 1051 | bfa_fcs_init(&bfad->bfa_fcs); |
| 1052 | spin_unlock_irqrestore(&bfad->bfad_lock, flags); |
Krishna Gudipati | e671432 | 2010-03-03 17:44:02 -0800 | [diff] [blame] | 1053 | |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 1054 | retval = bfad_cfg_pport(bfad, BFA_LPORT_ROLE_FCP_IM); |
Krishna Gudipati | e671432 | 2010-03-03 17:44:02 -0800 | [diff] [blame] | 1055 | if (retval != BFA_STATUS_OK) { |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 1056 | if (bfa_sm_cmp_state(bfad, bfad_sm_initializing)) |
| 1057 | bfa_sm_set_state(bfad, bfad_sm_failed); |
| 1058 | bfad_stop(bfad); |
| 1059 | return BFA_STATUS_FAILED; |
Krishna Gudipati | e671432 | 2010-03-03 17:44:02 -0800 | [diff] [blame] | 1060 | } |
| 1061 | |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 1062 | /* BFAD level FC4 IM specific resource allocation */ |
| 1063 | retval = bfad_im_probe(bfad); |
| 1064 | if (retval != BFA_STATUS_OK) { |
| 1065 | printk(KERN_WARNING "bfad_im_probe failed\n"); |
| 1066 | if (bfa_sm_cmp_state(bfad, bfad_sm_initializing)) |
| 1067 | bfa_sm_set_state(bfad, bfad_sm_failed); |
| 1068 | bfad_im_probe_undo(bfad); |
| 1069 | bfad->bfad_flags &= ~BFAD_FC4_PROBE_DONE; |
| 1070 | bfad_uncfg_pport(bfad); |
| 1071 | bfad_stop(bfad); |
| 1072 | return BFA_STATUS_FAILED; |
| 1073 | } else |
| 1074 | bfad->bfad_flags |= BFAD_FC4_PROBE_DONE; |
| 1075 | |
Krishna Gudipati | e671432 | 2010-03-03 17:44:02 -0800 | [diff] [blame] | 1076 | bfad_drv_start(bfad); |
| 1077 | |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 1078 | /* Complete pbc vport create */ |
| 1079 | list_for_each_entry_safe(vport, vport_new, &bfad->pbc_vport_list, |
| 1080 | list_entry) { |
Jing Huang | d988354 | 2010-07-08 19:46:26 -0700 | [diff] [blame] | 1081 | struct fc_vport_identifiers vid; |
| 1082 | struct fc_vport *fc_vport; |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 1083 | char pwwn_buf[BFA_STRING_32]; |
Jing Huang | d988354 | 2010-07-08 19:46:26 -0700 | [diff] [blame] | 1084 | |
| 1085 | memset(&vid, 0, sizeof(vid)); |
| 1086 | vid.roles = FC_PORT_ROLE_FCP_INITIATOR; |
| 1087 | vid.vport_type = FC_PORTTYPE_NPIV; |
| 1088 | vid.disable = false; |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 1089 | vid.node_name = wwn_to_u64((u8 *) |
| 1090 | (&((vport->fcs_vport).lport.port_cfg.nwwn))); |
| 1091 | vid.port_name = wwn_to_u64((u8 *) |
| 1092 | (&((vport->fcs_vport).lport.port_cfg.pwwn))); |
Jing Huang | d988354 | 2010-07-08 19:46:26 -0700 | [diff] [blame] | 1093 | fc_vport = fc_vport_create(bfad->pport.im_port->shost, 0, &vid); |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 1094 | if (!fc_vport) { |
| 1095 | wwn2str(pwwn_buf, vid.port_name); |
Jing Huang | d988354 | 2010-07-08 19:46:26 -0700 | [diff] [blame] | 1096 | printk(KERN_WARNING "bfad%d: failed to create pbc vport" |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 1097 | " %s\n", bfad->inst_no, pwwn_buf); |
| 1098 | } |
| 1099 | list_del(&vport->list_entry); |
| 1100 | kfree(vport); |
Jing Huang | d988354 | 2010-07-08 19:46:26 -0700 | [diff] [blame] | 1101 | } |
| 1102 | |
Krishna Gudipati | e671432 | 2010-03-03 17:44:02 -0800 | [diff] [blame] | 1103 | /* |
| 1104 | * If bfa_linkup_delay is set to -1 default; try to retrive the |
| 1105 | * value using the bfad_os_get_linkup_delay(); else use the |
| 1106 | * passed in module param value as the bfa_linkup_delay. |
| 1107 | */ |
| 1108 | if (bfa_linkup_delay < 0) { |
Krishna Gudipati | e671432 | 2010-03-03 17:44:02 -0800 | [diff] [blame] | 1109 | bfa_linkup_delay = bfad_os_get_linkup_delay(bfad); |
| 1110 | bfad_os_rport_online_wait(bfad); |
| 1111 | bfa_linkup_delay = -1; |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 1112 | } else |
Krishna Gudipati | e671432 | 2010-03-03 17:44:02 -0800 | [diff] [blame] | 1113 | bfad_os_rport_online_wait(bfad); |
Krishna Gudipati | e671432 | 2010-03-03 17:44:02 -0800 | [diff] [blame] | 1114 | |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 1115 | BFA_LOG(KERN_INFO, bfad, log_level, "bfa device claimed\n"); |
Krishna Gudipati | e671432 | 2010-03-03 17:44:02 -0800 | [diff] [blame] | 1116 | |
| 1117 | return BFA_STATUS_OK; |
Krishna Gudipati | e671432 | 2010-03-03 17:44:02 -0800 | [diff] [blame] | 1118 | } |
| 1119 | |
| 1120 | int |
Jing Huang | d988354 | 2010-07-08 19:46:26 -0700 | [diff] [blame] | 1121 | bfad_worker(void *ptr) |
Krishna Gudipati | e671432 | 2010-03-03 17:44:02 -0800 | [diff] [blame] | 1122 | { |
| 1123 | struct bfad_s *bfad; |
| 1124 | unsigned long flags; |
| 1125 | |
| 1126 | bfad = (struct bfad_s *)ptr; |
| 1127 | |
| 1128 | while (!kthread_should_stop()) { |
| 1129 | |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 1130 | /* Send event BFAD_E_INIT_SUCCESS */ |
| 1131 | bfa_sm_send_event(bfad, BFAD_E_INIT_SUCCESS); |
Krishna Gudipati | e671432 | 2010-03-03 17:44:02 -0800 | [diff] [blame] | 1132 | |
| 1133 | spin_lock_irqsave(&bfad->bfad_lock, flags); |
| 1134 | bfad->bfad_tsk = NULL; |
| 1135 | spin_unlock_irqrestore(&bfad->bfad_lock, flags); |
| 1136 | |
| 1137 | break; |
| 1138 | } |
| 1139 | |
| 1140 | return 0; |
| 1141 | } |
| 1142 | |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 1143 | /** |
| 1144 | * BFA driver interrupt functions |
| 1145 | */ |
| 1146 | irqreturn_t |
| 1147 | bfad_intx(int irq, void *dev_id) |
| 1148 | { |
| 1149 | struct bfad_s *bfad = dev_id; |
| 1150 | struct list_head doneq; |
| 1151 | unsigned long flags; |
| 1152 | bfa_boolean_t rc; |
| 1153 | |
| 1154 | spin_lock_irqsave(&bfad->bfad_lock, flags); |
| 1155 | rc = bfa_intx(&bfad->bfa); |
| 1156 | if (!rc) { |
| 1157 | spin_unlock_irqrestore(&bfad->bfad_lock, flags); |
| 1158 | return IRQ_NONE; |
| 1159 | } |
| 1160 | |
| 1161 | bfa_comp_deq(&bfad->bfa, &doneq); |
| 1162 | spin_unlock_irqrestore(&bfad->bfad_lock, flags); |
| 1163 | |
| 1164 | if (!list_empty(&doneq)) { |
| 1165 | bfa_comp_process(&bfad->bfa, &doneq); |
| 1166 | |
| 1167 | spin_lock_irqsave(&bfad->bfad_lock, flags); |
| 1168 | bfa_comp_free(&bfad->bfa, &doneq); |
| 1169 | spin_unlock_irqrestore(&bfad->bfad_lock, flags); |
| 1170 | bfa_trc_fp(bfad, irq); |
| 1171 | } |
| 1172 | |
| 1173 | return IRQ_HANDLED; |
| 1174 | |
| 1175 | } |
| 1176 | |
| 1177 | static irqreturn_t |
| 1178 | bfad_msix(int irq, void *dev_id) |
| 1179 | { |
| 1180 | struct bfad_msix_s *vec = dev_id; |
| 1181 | struct bfad_s *bfad = vec->bfad; |
| 1182 | struct list_head doneq; |
| 1183 | unsigned long flags; |
| 1184 | |
| 1185 | spin_lock_irqsave(&bfad->bfad_lock, flags); |
| 1186 | |
| 1187 | bfa_msix(&bfad->bfa, vec->msix.entry); |
| 1188 | bfa_comp_deq(&bfad->bfa, &doneq); |
| 1189 | spin_unlock_irqrestore(&bfad->bfad_lock, flags); |
| 1190 | |
| 1191 | if (!list_empty(&doneq)) { |
| 1192 | bfa_comp_process(&bfad->bfa, &doneq); |
| 1193 | |
| 1194 | spin_lock_irqsave(&bfad->bfad_lock, flags); |
| 1195 | bfa_comp_free(&bfad->bfa, &doneq); |
| 1196 | spin_unlock_irqrestore(&bfad->bfad_lock, flags); |
| 1197 | } |
| 1198 | |
| 1199 | return IRQ_HANDLED; |
| 1200 | } |
| 1201 | |
| 1202 | /** |
| 1203 | * Initialize the MSIX entry table. |
| 1204 | */ |
| 1205 | static void |
| 1206 | bfad_init_msix_entry(struct bfad_s *bfad, struct msix_entry *msix_entries, |
| 1207 | int mask, int max_bit) |
| 1208 | { |
| 1209 | int i; |
| 1210 | int match = 0x00000001; |
| 1211 | |
| 1212 | for (i = 0, bfad->nvec = 0; i < MAX_MSIX_ENTRY; i++) { |
| 1213 | if (mask & match) { |
| 1214 | bfad->msix_tab[bfad->nvec].msix.entry = i; |
| 1215 | bfad->msix_tab[bfad->nvec].bfad = bfad; |
| 1216 | msix_entries[bfad->nvec].entry = i; |
| 1217 | bfad->nvec++; |
| 1218 | } |
| 1219 | |
| 1220 | match <<= 1; |
| 1221 | } |
| 1222 | |
| 1223 | } |
| 1224 | |
| 1225 | int |
| 1226 | bfad_install_msix_handler(struct bfad_s *bfad) |
| 1227 | { |
| 1228 | int i, error = 0; |
| 1229 | |
| 1230 | for (i = 0; i < bfad->nvec; i++) { |
| 1231 | sprintf(bfad->msix_tab[i].name, "bfa-%s-%s", |
| 1232 | bfad->pci_name, |
| 1233 | ((bfa_asic_id_ct(bfad->hal_pcidev.device_id)) ? |
| 1234 | msix_name_ct[i] : msix_name_cb[i])); |
| 1235 | |
| 1236 | error = request_irq(bfad->msix_tab[i].msix.vector, |
| 1237 | (irq_handler_t) bfad_msix, 0, |
| 1238 | bfad->msix_tab[i].name, &bfad->msix_tab[i]); |
| 1239 | bfa_trc(bfad, i); |
| 1240 | bfa_trc(bfad, bfad->msix_tab[i].msix.vector); |
| 1241 | if (error) { |
| 1242 | int j; |
| 1243 | |
| 1244 | for (j = 0; j < i; j++) |
| 1245 | free_irq(bfad->msix_tab[j].msix.vector, |
| 1246 | &bfad->msix_tab[j]); |
| 1247 | |
| 1248 | return 1; |
| 1249 | } |
| 1250 | } |
| 1251 | |
| 1252 | return 0; |
| 1253 | } |
| 1254 | |
| 1255 | /** |
| 1256 | * Setup MSIX based interrupt. |
| 1257 | */ |
| 1258 | int |
| 1259 | bfad_setup_intr(struct bfad_s *bfad) |
| 1260 | { |
| 1261 | int error = 0; |
| 1262 | u32 mask = 0, i, num_bit = 0, max_bit = 0; |
| 1263 | struct msix_entry msix_entries[MAX_MSIX_ENTRY]; |
| 1264 | struct pci_dev *pdev = bfad->pcidev; |
| 1265 | |
| 1266 | /* Call BFA to get the msix map for this PCI function. */ |
| 1267 | bfa_msix_getvecs(&bfad->bfa, &mask, &num_bit, &max_bit); |
| 1268 | |
| 1269 | /* Set up the msix entry table */ |
| 1270 | bfad_init_msix_entry(bfad, msix_entries, mask, max_bit); |
| 1271 | |
| 1272 | if ((bfa_asic_id_ct(pdev->device) && !msix_disable_ct) || |
| 1273 | (!bfa_asic_id_ct(pdev->device) && !msix_disable_cb)) { |
| 1274 | |
| 1275 | error = pci_enable_msix(bfad->pcidev, msix_entries, bfad->nvec); |
| 1276 | if (error) { |
| 1277 | /* |
| 1278 | * Only error number of vector is available. |
| 1279 | * We don't have a mechanism to map multiple |
| 1280 | * interrupts into one vector, so even if we |
| 1281 | * can try to request less vectors, we don't |
| 1282 | * know how to associate interrupt events to |
| 1283 | * vectors. Linux doesn't dupicate vectors |
| 1284 | * in the MSIX table for this case. |
| 1285 | */ |
| 1286 | |
| 1287 | printk(KERN_WARNING "bfad%d: " |
| 1288 | "pci_enable_msix failed (%d)," |
| 1289 | " use line based.\n", bfad->inst_no, error); |
| 1290 | |
| 1291 | goto line_based; |
| 1292 | } |
| 1293 | |
| 1294 | /* Save the vectors */ |
| 1295 | for (i = 0; i < bfad->nvec; i++) { |
| 1296 | bfa_trc(bfad, msix_entries[i].vector); |
| 1297 | bfad->msix_tab[i].msix.vector = msix_entries[i].vector; |
| 1298 | } |
| 1299 | |
| 1300 | bfa_msix_init(&bfad->bfa, bfad->nvec); |
| 1301 | |
| 1302 | bfad->bfad_flags |= BFAD_MSIX_ON; |
| 1303 | |
| 1304 | return error; |
| 1305 | } |
| 1306 | |
| 1307 | line_based: |
| 1308 | error = 0; |
| 1309 | if (request_irq |
| 1310 | (bfad->pcidev->irq, (irq_handler_t) bfad_intx, BFAD_IRQ_FLAGS, |
| 1311 | BFAD_DRIVER_NAME, bfad) != 0) { |
| 1312 | /* Enable interrupt handler failed */ |
| 1313 | return 1; |
| 1314 | } |
| 1315 | |
| 1316 | return error; |
| 1317 | } |
| 1318 | |
| 1319 | void |
| 1320 | bfad_remove_intr(struct bfad_s *bfad) |
| 1321 | { |
| 1322 | int i; |
| 1323 | |
| 1324 | if (bfad->bfad_flags & BFAD_MSIX_ON) { |
| 1325 | for (i = 0; i < bfad->nvec; i++) |
| 1326 | free_irq(bfad->msix_tab[i].msix.vector, |
| 1327 | &bfad->msix_tab[i]); |
| 1328 | |
| 1329 | pci_disable_msix(bfad->pcidev); |
| 1330 | bfad->bfad_flags &= ~BFAD_MSIX_ON; |
| 1331 | } else { |
| 1332 | free_irq(bfad->pcidev->irq, bfad); |
| 1333 | } |
| 1334 | } |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 1335 | |
| 1336 | /** |
| 1337 | * PCI probe entry. |
| 1338 | */ |
| 1339 | int |
| 1340 | bfad_pci_probe(struct pci_dev *pdev, const struct pci_device_id *pid) |
| 1341 | { |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 1342 | struct bfad_s *bfad; |
| 1343 | int error = -ENODEV, retval; |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 1344 | |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 1345 | /* For single port cards - only claim function 0 */ |
| 1346 | if ((pdev->device == BFA_PCI_DEVICE_ID_FC_8G1P) && |
| 1347 | (PCI_FUNC(pdev->devfn) != 0)) |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 1348 | return -ENODEV; |
| 1349 | |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 1350 | bfad = kzalloc(sizeof(struct bfad_s), GFP_KERNEL); |
| 1351 | if (!bfad) { |
| 1352 | error = -ENOMEM; |
| 1353 | goto out; |
| 1354 | } |
| 1355 | |
| 1356 | bfad->trcmod = kzalloc(sizeof(struct bfa_trc_mod_s), GFP_KERNEL); |
| 1357 | if (!bfad->trcmod) { |
| 1358 | printk(KERN_WARNING "Error alloc trace buffer!\n"); |
| 1359 | error = -ENOMEM; |
| 1360 | goto out_alloc_trace_failure; |
| 1361 | } |
| 1362 | |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 1363 | /* TRACE INIT */ |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 1364 | bfa_trc_init(bfad->trcmod); |
| 1365 | bfa_trc(bfad, bfad_inst); |
| 1366 | |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 1367 | if (!(bfad_load_fwimg(pdev))) { |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 1368 | kfree(bfad->trcmod); |
| 1369 | goto out_alloc_trace_failure; |
| 1370 | } |
| 1371 | |
| 1372 | retval = bfad_pci_init(pdev, bfad); |
| 1373 | if (retval) { |
| 1374 | printk(KERN_WARNING "bfad_pci_init failure!\n"); |
| 1375 | error = retval; |
| 1376 | goto out_pci_init_failure; |
| 1377 | } |
| 1378 | |
| 1379 | mutex_lock(&bfad_mutex); |
| 1380 | bfad->inst_no = bfad_inst++; |
| 1381 | list_add_tail(&bfad->list_entry, &bfad_list); |
| 1382 | mutex_unlock(&bfad_mutex); |
| 1383 | |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 1384 | /* Initializing the state machine: State set to uninit */ |
| 1385 | bfa_sm_set_state(bfad, bfad_sm_uninit); |
| 1386 | |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 1387 | spin_lock_init(&bfad->bfad_lock); |
| 1388 | pci_set_drvdata(pdev, bfad); |
| 1389 | |
| 1390 | bfad->ref_count = 0; |
| 1391 | bfad->pport.bfad = bfad; |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 1392 | INIT_LIST_HEAD(&bfad->pbc_vport_list); |
Krishna Gudipati | e671432 | 2010-03-03 17:44:02 -0800 | [diff] [blame] | 1393 | |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 1394 | retval = bfad_drv_init(bfad); |
| 1395 | if (retval != BFA_STATUS_OK) |
| 1396 | goto out_drv_init_failure; |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 1397 | |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 1398 | bfa_sm_send_event(bfad, BFAD_E_CREATE); |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 1399 | |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 1400 | if (bfa_sm_cmp_state(bfad, bfad_sm_uninit)) |
| 1401 | goto out_bfad_sm_failure; |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 1402 | |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 1403 | return 0; |
| 1404 | |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 1405 | out_bfad_sm_failure: |
| 1406 | bfa_detach(&bfad->bfa); |
| 1407 | bfad_hal_mem_release(bfad); |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 1408 | out_drv_init_failure: |
| 1409 | mutex_lock(&bfad_mutex); |
| 1410 | bfad_inst--; |
| 1411 | list_del(&bfad->list_entry); |
| 1412 | mutex_unlock(&bfad_mutex); |
| 1413 | bfad_pci_uninit(pdev, bfad); |
| 1414 | out_pci_init_failure: |
| 1415 | kfree(bfad->trcmod); |
| 1416 | out_alloc_trace_failure: |
| 1417 | kfree(bfad); |
| 1418 | out: |
| 1419 | return error; |
| 1420 | } |
| 1421 | |
| 1422 | /** |
| 1423 | * PCI remove entry. |
| 1424 | */ |
| 1425 | void |
| 1426 | bfad_pci_remove(struct pci_dev *pdev) |
| 1427 | { |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 1428 | struct bfad_s *bfad = pci_get_drvdata(pdev); |
| 1429 | unsigned long flags; |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 1430 | |
| 1431 | bfa_trc(bfad, bfad->inst_no); |
| 1432 | |
Krishna Gudipati | e671432 | 2010-03-03 17:44:02 -0800 | [diff] [blame] | 1433 | spin_lock_irqsave(&bfad->bfad_lock, flags); |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 1434 | if (bfad->bfad_tsk != NULL) { |
| 1435 | spin_unlock_irqrestore(&bfad->bfad_lock, flags); |
Krishna Gudipati | e671432 | 2010-03-03 17:44:02 -0800 | [diff] [blame] | 1436 | kthread_stop(bfad->bfad_tsk); |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 1437 | } else { |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 1438 | spin_unlock_irqrestore(&bfad->bfad_lock, flags); |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 1439 | } |
| 1440 | |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 1441 | /* Send Event BFAD_E_STOP */ |
| 1442 | bfa_sm_send_event(bfad, BFAD_E_STOP); |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 1443 | |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 1444 | /* Driver detach and dealloc mem */ |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 1445 | spin_lock_irqsave(&bfad->bfad_lock, flags); |
| 1446 | bfa_detach(&bfad->bfa); |
| 1447 | spin_unlock_irqrestore(&bfad->bfad_lock, flags); |
| 1448 | bfad_hal_mem_release(bfad); |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 1449 | |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 1450 | /* Cleaning the BFAD instance */ |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 1451 | mutex_lock(&bfad_mutex); |
| 1452 | bfad_inst--; |
| 1453 | list_del(&bfad->list_entry); |
| 1454 | mutex_unlock(&bfad_mutex); |
| 1455 | bfad_pci_uninit(pdev, bfad); |
| 1456 | |
| 1457 | kfree(bfad->trcmod); |
| 1458 | kfree(bfad); |
| 1459 | } |
| 1460 | |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 1461 | struct pci_device_id bfad_id_table[] = { |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 1462 | { |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 1463 | .vendor = BFA_PCI_VENDOR_ID_BROCADE, |
| 1464 | .device = BFA_PCI_DEVICE_ID_FC_8G2P, |
| 1465 | .subvendor = PCI_ANY_ID, |
| 1466 | .subdevice = PCI_ANY_ID, |
| 1467 | }, |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 1468 | { |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 1469 | .vendor = BFA_PCI_VENDOR_ID_BROCADE, |
| 1470 | .device = BFA_PCI_DEVICE_ID_FC_8G1P, |
| 1471 | .subvendor = PCI_ANY_ID, |
| 1472 | .subdevice = PCI_ANY_ID, |
| 1473 | }, |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 1474 | { |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 1475 | .vendor = BFA_PCI_VENDOR_ID_BROCADE, |
| 1476 | .device = BFA_PCI_DEVICE_ID_CT, |
| 1477 | .subvendor = PCI_ANY_ID, |
| 1478 | .subdevice = PCI_ANY_ID, |
| 1479 | .class = (PCI_CLASS_SERIAL_FIBER << 8), |
| 1480 | .class_mask = ~0, |
| 1481 | }, |
Jing Huang | 293f82d | 2010-07-08 19:45:20 -0700 | [diff] [blame] | 1482 | { |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 1483 | .vendor = BFA_PCI_VENDOR_ID_BROCADE, |
| 1484 | .device = BFA_PCI_DEVICE_ID_CT_FC, |
| 1485 | .subvendor = PCI_ANY_ID, |
| 1486 | .subdevice = PCI_ANY_ID, |
| 1487 | .class = (PCI_CLASS_SERIAL_FIBER << 8), |
| 1488 | .class_mask = ~0, |
Jing Huang | 293f82d | 2010-07-08 19:45:20 -0700 | [diff] [blame] | 1489 | }, |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 1490 | |
| 1491 | {0, 0}, |
| 1492 | }; |
| 1493 | |
| 1494 | MODULE_DEVICE_TABLE(pci, bfad_id_table); |
| 1495 | |
| 1496 | static struct pci_driver bfad_pci_driver = { |
| 1497 | .name = BFAD_DRIVER_NAME, |
| 1498 | .id_table = bfad_id_table, |
| 1499 | .probe = bfad_pci_probe, |
| 1500 | .remove = __devexit_p(bfad_pci_remove), |
| 1501 | }; |
| 1502 | |
| 1503 | /** |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 1504 | * Driver module init. |
| 1505 | */ |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 1506 | static int __init |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 1507 | bfad_init(void) |
| 1508 | { |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 1509 | int error = 0; |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 1510 | |
| 1511 | printk(KERN_INFO "Brocade BFA FC/FCOE SCSI driver - version: %s\n", |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 1512 | BFAD_DRIVER_VERSION); |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 1513 | |
| 1514 | if (num_sgpgs > 0) |
| 1515 | num_sgpgs_parm = num_sgpgs; |
| 1516 | |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 1517 | error = bfad_im_module_init(); |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 1518 | if (error) { |
| 1519 | error = -ENOMEM; |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 1520 | printk(KERN_WARNING "bfad_im_module_init failure\n"); |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 1521 | goto ext; |
| 1522 | } |
| 1523 | |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 1524 | if (strcmp(FCPI_NAME, " fcpim") == 0) |
| 1525 | supported_fc4s |= BFA_LPORT_ROLE_FCP_IM; |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 1526 | |
| 1527 | bfa_ioc_auto_recover(ioc_auto_recover); |
| 1528 | bfa_fcs_rport_set_del_timeout(rport_del_timeout); |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 1529 | |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 1530 | error = pci_register_driver(&bfad_pci_driver); |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 1531 | if (error) { |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 1532 | printk(KERN_WARNING "pci_register_driver failure\n"); |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 1533 | goto ext; |
| 1534 | } |
| 1535 | |
| 1536 | return 0; |
| 1537 | |
| 1538 | ext: |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 1539 | bfad_im_module_exit(); |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 1540 | return error; |
| 1541 | } |
| 1542 | |
| 1543 | /** |
| 1544 | * Driver module exit. |
| 1545 | */ |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 1546 | static void __exit |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 1547 | bfad_exit(void) |
| 1548 | { |
| 1549 | pci_unregister_driver(&bfad_pci_driver); |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 1550 | bfad_im_module_exit(); |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 1551 | bfad_free_fwimg(); |
| 1552 | } |
| 1553 | |
Krishna Gudipati | a36c61f | 2010-09-15 11:50:55 -0700 | [diff] [blame] | 1554 | /* Firmware handling */ |
| 1555 | u32 * |
| 1556 | bfad_read_firmware(struct pci_dev *pdev, u32 **bfi_image, |
| 1557 | u32 *bfi_image_size, char *fw_name) |
| 1558 | { |
| 1559 | const struct firmware *fw; |
| 1560 | |
| 1561 | if (request_firmware(&fw, fw_name, &pdev->dev)) { |
| 1562 | printk(KERN_ALERT "Can't locate firmware %s\n", fw_name); |
| 1563 | goto error; |
| 1564 | } |
| 1565 | |
| 1566 | *bfi_image = vmalloc(fw->size); |
| 1567 | if (NULL == *bfi_image) { |
| 1568 | printk(KERN_ALERT "Fail to allocate buffer for fw image " |
| 1569 | "size=%x!\n", (u32) fw->size); |
| 1570 | goto error; |
| 1571 | } |
| 1572 | |
| 1573 | memcpy(*bfi_image, fw->data, fw->size); |
| 1574 | *bfi_image_size = fw->size/sizeof(u32); |
| 1575 | |
| 1576 | return *bfi_image; |
| 1577 | |
| 1578 | error: |
| 1579 | return NULL; |
| 1580 | } |
| 1581 | |
| 1582 | u32 * |
| 1583 | bfad_get_firmware_buf(struct pci_dev *pdev) |
| 1584 | { |
| 1585 | if (pdev->device == BFA_PCI_DEVICE_ID_CT_FC) { |
| 1586 | if (bfi_image_ct_fc_size == 0) |
| 1587 | bfad_read_firmware(pdev, &bfi_image_ct_fc, |
| 1588 | &bfi_image_ct_fc_size, BFAD_FW_FILE_CT_FC); |
| 1589 | return bfi_image_ct_fc; |
| 1590 | } else if (pdev->device == BFA_PCI_DEVICE_ID_CT) { |
| 1591 | if (bfi_image_ct_cna_size == 0) |
| 1592 | bfad_read_firmware(pdev, &bfi_image_ct_cna, |
| 1593 | &bfi_image_ct_cna_size, BFAD_FW_FILE_CT_CNA); |
| 1594 | return bfi_image_ct_cna; |
| 1595 | } else { |
| 1596 | if (bfi_image_cb_fc_size == 0) |
| 1597 | bfad_read_firmware(pdev, &bfi_image_cb_fc, |
| 1598 | &bfi_image_cb_fc_size, BFAD_FW_FILE_CB_FC); |
| 1599 | return bfi_image_cb_fc; |
| 1600 | } |
| 1601 | } |
Jing Huang | 7725ccf | 2009-09-23 17:46:15 -0700 | [diff] [blame] | 1602 | |
| 1603 | module_init(bfad_init); |
| 1604 | module_exit(bfad_exit); |
| 1605 | MODULE_LICENSE("GPL"); |
| 1606 | MODULE_DESCRIPTION("Brocade Fibre Channel HBA Driver" BFAD_PROTO_NAME); |
| 1607 | MODULE_AUTHOR("Brocade Communications Systems, Inc."); |
| 1608 | MODULE_VERSION(BFAD_DRIVER_VERSION); |