| 1 | /* |
| 2 | * QLogic Fibre Channel HBA Driver |
| 3 | * Copyright (c) 2003-2010 QLogic Corporation |
| 4 | * |
| 5 | * See LICENSE.qla2xxx for copyright and licensing details. |
| 6 | */ |
| 7 | #include "qla_def.h" |
| 8 | |
| 9 | #include <linux/moduleparam.h> |
| 10 | #include <linux/vmalloc.h> |
| 11 | #include <linux/delay.h> |
| 12 | #include <linux/kthread.h> |
| 13 | #include <linux/mutex.h> |
| 14 | #include <linux/kobject.h> |
| 15 | #include <linux/slab.h> |
| 16 | |
| 17 | #include <scsi/scsi_tcq.h> |
| 18 | #include <scsi/scsicam.h> |
| 19 | #include <scsi/scsi_transport.h> |
| 20 | #include <scsi/scsi_transport_fc.h> |
| 21 | |
| 22 | /* |
| 23 | * Driver version |
| 24 | */ |
| 25 | char qla2x00_version_str[40]; |
| 26 | |
| 27 | static int apidev_major; |
| 28 | |
| 29 | /* |
| 30 | * SRB allocation cache |
| 31 | */ |
| 32 | static struct kmem_cache *srb_cachep; |
| 33 | |
| 34 | /* |
| 35 | * CT6 CTX allocation cache |
| 36 | */ |
| 37 | static struct kmem_cache *ctx_cachep; |
| 38 | |
| 39 | int ql2xlogintimeout = 20; |
| 40 | module_param(ql2xlogintimeout, int, S_IRUGO); |
| 41 | MODULE_PARM_DESC(ql2xlogintimeout, |
| 42 | "Login timeout value in seconds."); |
| 43 | |
| 44 | int qlport_down_retry; |
| 45 | module_param(qlport_down_retry, int, S_IRUGO); |
| 46 | MODULE_PARM_DESC(qlport_down_retry, |
| 47 | "Maximum number of command retries to a port that returns " |
| 48 | "a PORT-DOWN status."); |
| 49 | |
| 50 | int ql2xplogiabsentdevice; |
| 51 | module_param(ql2xplogiabsentdevice, int, S_IRUGO|S_IWUSR); |
| 52 | MODULE_PARM_DESC(ql2xplogiabsentdevice, |
| 53 | "Option to enable PLOGI to devices that are not present after " |
| 54 | "a Fabric scan. This is needed for several broken switches. " |
| 55 | "Default is 0 - no PLOGI. 1 - perfom PLOGI."); |
| 56 | |
| 57 | int ql2xloginretrycount = 0; |
| 58 | module_param(ql2xloginretrycount, int, S_IRUGO); |
| 59 | MODULE_PARM_DESC(ql2xloginretrycount, |
| 60 | "Specify an alternate value for the NVRAM login retry count."); |
| 61 | |
| 62 | int ql2xallocfwdump = 1; |
| 63 | module_param(ql2xallocfwdump, int, S_IRUGO); |
| 64 | MODULE_PARM_DESC(ql2xallocfwdump, |
| 65 | "Option to enable allocation of memory for a firmware dump " |
| 66 | "during HBA initialization. Memory allocation requirements " |
| 67 | "vary by ISP type. Default is 1 - allocate memory."); |
| 68 | |
| 69 | int ql2xextended_error_logging; |
| 70 | module_param(ql2xextended_error_logging, int, S_IRUGO|S_IWUSR); |
| 71 | MODULE_PARM_DESC(ql2xextended_error_logging, |
| 72 | "Option to enable extended error logging, " |
| 73 | "Default is 0 - no logging. 1 - log errors."); |
| 74 | |
| 75 | int ql2xshiftctondsd = 6; |
| 76 | module_param(ql2xshiftctondsd, int, S_IRUGO); |
| 77 | MODULE_PARM_DESC(ql2xshiftctondsd, |
| 78 | "Set to control shifting of command type processing " |
| 79 | "based on total number of SG elements."); |
| 80 | |
| 81 | static void qla2x00_free_device(scsi_qla_host_t *); |
| 82 | |
| 83 | int ql2xfdmienable=1; |
| 84 | module_param(ql2xfdmienable, int, S_IRUGO); |
| 85 | MODULE_PARM_DESC(ql2xfdmienable, |
| 86 | "Enables FDMI registrations. " |
| 87 | "0 - no FDMI. Default is 1 - perform FDMI."); |
| 88 | |
| 89 | #define MAX_Q_DEPTH 32 |
| 90 | static int ql2xmaxqdepth = MAX_Q_DEPTH; |
| 91 | module_param(ql2xmaxqdepth, int, S_IRUGO|S_IWUSR); |
| 92 | MODULE_PARM_DESC(ql2xmaxqdepth, |
| 93 | "Maximum queue depth to report for target devices."); |
| 94 | |
| 95 | /* Do not change the value of this after module load */ |
| 96 | int ql2xenabledif = 1; |
| 97 | module_param(ql2xenabledif, int, S_IRUGO|S_IWUSR); |
| 98 | MODULE_PARM_DESC(ql2xenabledif, |
| 99 | " Enable T10-CRC-DIF " |
| 100 | " Default is 0 - No DIF Support. 1 - Enable it"); |
| 101 | |
| 102 | int ql2xenablehba_err_chk; |
| 103 | module_param(ql2xenablehba_err_chk, int, S_IRUGO|S_IWUSR); |
| 104 | MODULE_PARM_DESC(ql2xenablehba_err_chk, |
| 105 | " Enable T10-CRC-DIF Error isolation by HBA" |
| 106 | " Default is 0 - Error isolation disabled, 1 - Enable it"); |
| 107 | |
| 108 | int ql2xiidmaenable=1; |
| 109 | module_param(ql2xiidmaenable, int, S_IRUGO); |
| 110 | MODULE_PARM_DESC(ql2xiidmaenable, |
| 111 | "Enables iIDMA settings " |
| 112 | "Default is 1 - perform iIDMA. 0 - no iIDMA."); |
| 113 | |
| 114 | int ql2xmaxqueues = 1; |
| 115 | module_param(ql2xmaxqueues, int, S_IRUGO); |
| 116 | MODULE_PARM_DESC(ql2xmaxqueues, |
| 117 | "Enables MQ settings " |
| 118 | "Default is 1 for single queue. Set it to number " |
| 119 | "of queues in MQ mode."); |
| 120 | |
| 121 | int ql2xmultique_tag; |
| 122 | module_param(ql2xmultique_tag, int, S_IRUGO); |
| 123 | MODULE_PARM_DESC(ql2xmultique_tag, |
| 124 | "Enables CPU affinity settings for the driver " |
| 125 | "Default is 0 for no affinity of request and response IO. " |
| 126 | "Set it to 1 to turn on the cpu affinity."); |
| 127 | |
| 128 | int ql2xfwloadbin; |
| 129 | module_param(ql2xfwloadbin, int, S_IRUGO); |
| 130 | MODULE_PARM_DESC(ql2xfwloadbin, |
| 131 | "Option to specify location from which to load ISP firmware:\n" |
| 132 | " 2 -- load firmware via the request_firmware() (hotplug)\n" |
| 133 | " interface.\n" |
| 134 | " 1 -- load firmware from flash.\n" |
| 135 | " 0 -- use default semantics.\n"); |
| 136 | |
| 137 | int ql2xetsenable; |
| 138 | module_param(ql2xetsenable, int, S_IRUGO); |
| 139 | MODULE_PARM_DESC(ql2xetsenable, |
| 140 | "Enables firmware ETS burst." |
| 141 | "Default is 0 - skip ETS enablement."); |
| 142 | |
| 143 | int ql2xdbwr = 1; |
| 144 | module_param(ql2xdbwr, int, S_IRUGO); |
| 145 | MODULE_PARM_DESC(ql2xdbwr, |
| 146 | "Option to specify scheme for request queue posting\n" |
| 147 | " 0 -- Regular doorbell.\n" |
| 148 | " 1 -- CAMRAM doorbell (faster).\n"); |
| 149 | |
| 150 | int ql2xtargetreset = 1; |
| 151 | module_param(ql2xtargetreset, int, S_IRUGO); |
| 152 | MODULE_PARM_DESC(ql2xtargetreset, |
| 153 | "Enable target reset." |
| 154 | "Default is 1 - use hw defaults."); |
| 155 | |
| 156 | int ql2xgffidenable; |
| 157 | module_param(ql2xgffidenable, int, S_IRUGO); |
| 158 | MODULE_PARM_DESC(ql2xgffidenable, |
| 159 | "Enables GFF_ID checks of port type. " |
| 160 | "Default is 0 - Do not use GFF_ID information."); |
| 161 | |
| 162 | int ql2xasynctmfenable; |
| 163 | module_param(ql2xasynctmfenable, int, S_IRUGO); |
| 164 | MODULE_PARM_DESC(ql2xasynctmfenable, |
| 165 | "Enables issue of TM IOCBs asynchronously via IOCB mechanism" |
| 166 | "Default is 0 - Issue TM IOCBs via mailbox mechanism."); |
| 167 | /* |
| 168 | * SCSI host template entry points |
| 169 | */ |
| 170 | static int qla2xxx_slave_configure(struct scsi_device * device); |
| 171 | static int qla2xxx_slave_alloc(struct scsi_device *); |
| 172 | static int qla2xxx_scan_finished(struct Scsi_Host *, unsigned long time); |
| 173 | static void qla2xxx_scan_start(struct Scsi_Host *); |
| 174 | static void qla2xxx_slave_destroy(struct scsi_device *); |
| 175 | static int qla2xxx_queuecommand(struct Scsi_Host *h, struct scsi_cmnd *cmd); |
| 176 | static int qla2xxx_eh_abort(struct scsi_cmnd *); |
| 177 | static int qla2xxx_eh_device_reset(struct scsi_cmnd *); |
| 178 | static int qla2xxx_eh_target_reset(struct scsi_cmnd *); |
| 179 | static int qla2xxx_eh_bus_reset(struct scsi_cmnd *); |
| 180 | static int qla2xxx_eh_host_reset(struct scsi_cmnd *); |
| 181 | |
| 182 | static int qla2x00_change_queue_depth(struct scsi_device *, int, int); |
| 183 | static int qla2x00_change_queue_type(struct scsi_device *, int); |
| 184 | |
| 185 | struct scsi_host_template qla2xxx_driver_template = { |
| 186 | .module = THIS_MODULE, |
| 187 | .name = QLA2XXX_DRIVER_NAME, |
| 188 | .queuecommand = qla2xxx_queuecommand, |
| 189 | |
| 190 | .eh_abort_handler = qla2xxx_eh_abort, |
| 191 | .eh_device_reset_handler = qla2xxx_eh_device_reset, |
| 192 | .eh_target_reset_handler = qla2xxx_eh_target_reset, |
| 193 | .eh_bus_reset_handler = qla2xxx_eh_bus_reset, |
| 194 | .eh_host_reset_handler = qla2xxx_eh_host_reset, |
| 195 | |
| 196 | .slave_configure = qla2xxx_slave_configure, |
| 197 | |
| 198 | .slave_alloc = qla2xxx_slave_alloc, |
| 199 | .slave_destroy = qla2xxx_slave_destroy, |
| 200 | .scan_finished = qla2xxx_scan_finished, |
| 201 | .scan_start = qla2xxx_scan_start, |
| 202 | .change_queue_depth = qla2x00_change_queue_depth, |
| 203 | .change_queue_type = qla2x00_change_queue_type, |
| 204 | .this_id = -1, |
| 205 | .cmd_per_lun = 3, |
| 206 | .use_clustering = ENABLE_CLUSTERING, |
| 207 | .sg_tablesize = SG_ALL, |
| 208 | |
| 209 | .max_sectors = 0xFFFF, |
| 210 | .shost_attrs = qla2x00_host_attrs, |
| 211 | }; |
| 212 | |
| 213 | static struct scsi_transport_template *qla2xxx_transport_template = NULL; |
| 214 | struct scsi_transport_template *qla2xxx_transport_vport_template = NULL; |
| 215 | |
| 216 | /* TODO Convert to inlines |
| 217 | * |
| 218 | * Timer routines |
| 219 | */ |
| 220 | |
| 221 | __inline__ void |
| 222 | qla2x00_start_timer(scsi_qla_host_t *vha, void *func, unsigned long interval) |
| 223 | { |
| 224 | init_timer(&vha->timer); |
| 225 | vha->timer.expires = jiffies + interval * HZ; |
| 226 | vha->timer.data = (unsigned long)vha; |
| 227 | vha->timer.function = (void (*)(unsigned long))func; |
| 228 | add_timer(&vha->timer); |
| 229 | vha->timer_active = 1; |
| 230 | } |
| 231 | |
| 232 | static inline void |
| 233 | qla2x00_restart_timer(scsi_qla_host_t *vha, unsigned long interval) |
| 234 | { |
| 235 | /* Currently used for 82XX only. */ |
| 236 | if (vha->device_flags & DFLG_DEV_FAILED) |
| 237 | return; |
| 238 | |
| 239 | mod_timer(&vha->timer, jiffies + interval * HZ); |
| 240 | } |
| 241 | |
| 242 | static __inline__ void |
| 243 | qla2x00_stop_timer(scsi_qla_host_t *vha) |
| 244 | { |
| 245 | del_timer_sync(&vha->timer); |
| 246 | vha->timer_active = 0; |
| 247 | } |
| 248 | |
| 249 | static int qla2x00_do_dpc(void *data); |
| 250 | |
| 251 | static void qla2x00_rst_aen(scsi_qla_host_t *); |
| 252 | |
| 253 | static int qla2x00_mem_alloc(struct qla_hw_data *, uint16_t, uint16_t, |
| 254 | struct req_que **, struct rsp_que **); |
| 255 | static void qla2x00_free_fw_dump(struct qla_hw_data *); |
| 256 | static void qla2x00_mem_free(struct qla_hw_data *); |
| 257 | static void qla2x00_sp_free_dma(srb_t *); |
| 258 | |
| 259 | /* -------------------------------------------------------------------------- */ |
| 260 | static int qla2x00_alloc_queues(struct qla_hw_data *ha) |
| 261 | { |
| 262 | ha->req_q_map = kzalloc(sizeof(struct req_que *) * ha->max_req_queues, |
| 263 | GFP_KERNEL); |
| 264 | if (!ha->req_q_map) { |
| 265 | qla_printk(KERN_WARNING, ha, |
| 266 | "Unable to allocate memory for request queue ptrs\n"); |
| 267 | goto fail_req_map; |
| 268 | } |
| 269 | |
| 270 | ha->rsp_q_map = kzalloc(sizeof(struct rsp_que *) * ha->max_rsp_queues, |
| 271 | GFP_KERNEL); |
| 272 | if (!ha->rsp_q_map) { |
| 273 | qla_printk(KERN_WARNING, ha, |
| 274 | "Unable to allocate memory for response queue ptrs\n"); |
| 275 | goto fail_rsp_map; |
| 276 | } |
| 277 | set_bit(0, ha->rsp_qid_map); |
| 278 | set_bit(0, ha->req_qid_map); |
| 279 | return 1; |
| 280 | |
| 281 | fail_rsp_map: |
| 282 | kfree(ha->req_q_map); |
| 283 | ha->req_q_map = NULL; |
| 284 | fail_req_map: |
| 285 | return -ENOMEM; |
| 286 | } |
| 287 | |
| 288 | static void qla2x00_free_req_que(struct qla_hw_data *ha, struct req_que *req) |
| 289 | { |
| 290 | if (req && req->ring) |
| 291 | dma_free_coherent(&ha->pdev->dev, |
| 292 | (req->length + 1) * sizeof(request_t), |
| 293 | req->ring, req->dma); |
| 294 | |
| 295 | kfree(req); |
| 296 | req = NULL; |
| 297 | } |
| 298 | |
| 299 | static void qla2x00_free_rsp_que(struct qla_hw_data *ha, struct rsp_que *rsp) |
| 300 | { |
| 301 | if (rsp && rsp->ring) |
| 302 | dma_free_coherent(&ha->pdev->dev, |
| 303 | (rsp->length + 1) * sizeof(response_t), |
| 304 | rsp->ring, rsp->dma); |
| 305 | |
| 306 | kfree(rsp); |
| 307 | rsp = NULL; |
| 308 | } |
| 309 | |
| 310 | static void qla2x00_free_queues(struct qla_hw_data *ha) |
| 311 | { |
| 312 | struct req_que *req; |
| 313 | struct rsp_que *rsp; |
| 314 | int cnt; |
| 315 | |
| 316 | for (cnt = 0; cnt < ha->max_req_queues; cnt++) { |
| 317 | req = ha->req_q_map[cnt]; |
| 318 | qla2x00_free_req_que(ha, req); |
| 319 | } |
| 320 | kfree(ha->req_q_map); |
| 321 | ha->req_q_map = NULL; |
| 322 | |
| 323 | for (cnt = 0; cnt < ha->max_rsp_queues; cnt++) { |
| 324 | rsp = ha->rsp_q_map[cnt]; |
| 325 | qla2x00_free_rsp_que(ha, rsp); |
| 326 | } |
| 327 | kfree(ha->rsp_q_map); |
| 328 | ha->rsp_q_map = NULL; |
| 329 | } |
| 330 | |
| 331 | static int qla25xx_setup_mode(struct scsi_qla_host *vha) |
| 332 | { |
| 333 | uint16_t options = 0; |
| 334 | int ques, req, ret; |
| 335 | struct qla_hw_data *ha = vha->hw; |
| 336 | |
| 337 | if (!(ha->fw_attributes & BIT_6)) { |
| 338 | qla_printk(KERN_INFO, ha, |
| 339 | "Firmware is not multi-queue capable\n"); |
| 340 | goto fail; |
| 341 | } |
| 342 | if (ql2xmultique_tag) { |
| 343 | /* create a request queue for IO */ |
| 344 | options |= BIT_7; |
| 345 | req = qla25xx_create_req_que(ha, options, 0, 0, -1, |
| 346 | QLA_DEFAULT_QUE_QOS); |
| 347 | if (!req) { |
| 348 | qla_printk(KERN_WARNING, ha, |
| 349 | "Can't create request queue\n"); |
| 350 | goto fail; |
| 351 | } |
| 352 | ha->wq = create_workqueue("qla2xxx_wq"); |
| 353 | vha->req = ha->req_q_map[req]; |
| 354 | options |= BIT_1; |
| 355 | for (ques = 1; ques < ha->max_rsp_queues; ques++) { |
| 356 | ret = qla25xx_create_rsp_que(ha, options, 0, 0, req); |
| 357 | if (!ret) { |
| 358 | qla_printk(KERN_WARNING, ha, |
| 359 | "Response Queue create failed\n"); |
| 360 | goto fail2; |
| 361 | } |
| 362 | } |
| 363 | ha->flags.cpu_affinity_enabled = 1; |
| 364 | |
| 365 | DEBUG2(qla_printk(KERN_INFO, ha, |
| 366 | "CPU affinity mode enabled, no. of response" |
| 367 | " queues:%d, no. of request queues:%d\n", |
| 368 | ha->max_rsp_queues, ha->max_req_queues)); |
| 369 | } |
| 370 | return 0; |
| 371 | fail2: |
| 372 | qla25xx_delete_queues(vha); |
| 373 | destroy_workqueue(ha->wq); |
| 374 | ha->wq = NULL; |
| 375 | fail: |
| 376 | ha->mqenable = 0; |
| 377 | kfree(ha->req_q_map); |
| 378 | kfree(ha->rsp_q_map); |
| 379 | ha->max_req_queues = ha->max_rsp_queues = 1; |
| 380 | return 1; |
| 381 | } |
| 382 | |
| 383 | static char * |
| 384 | qla2x00_pci_info_str(struct scsi_qla_host *vha, char *str) |
| 385 | { |
| 386 | struct qla_hw_data *ha = vha->hw; |
| 387 | static char *pci_bus_modes[] = { |
| 388 | "33", "66", "100", "133", |
| 389 | }; |
| 390 | uint16_t pci_bus; |
| 391 | |
| 392 | strcpy(str, "PCI"); |
| 393 | pci_bus = (ha->pci_attr & (BIT_9 | BIT_10)) >> 9; |
| 394 | if (pci_bus) { |
| 395 | strcat(str, "-X ("); |
| 396 | strcat(str, pci_bus_modes[pci_bus]); |
| 397 | } else { |
| 398 | pci_bus = (ha->pci_attr & BIT_8) >> 8; |
| 399 | strcat(str, " ("); |
| 400 | strcat(str, pci_bus_modes[pci_bus]); |
| 401 | } |
| 402 | strcat(str, " MHz)"); |
| 403 | |
| 404 | return (str); |
| 405 | } |
| 406 | |
| 407 | static char * |
| 408 | qla24xx_pci_info_str(struct scsi_qla_host *vha, char *str) |
| 409 | { |
| 410 | static char *pci_bus_modes[] = { "33", "66", "100", "133", }; |
| 411 | struct qla_hw_data *ha = vha->hw; |
| 412 | uint32_t pci_bus; |
| 413 | int pcie_reg; |
| 414 | |
| 415 | pcie_reg = pci_find_capability(ha->pdev, PCI_CAP_ID_EXP); |
| 416 | if (pcie_reg) { |
| 417 | char lwstr[6]; |
| 418 | uint16_t pcie_lstat, lspeed, lwidth; |
| 419 | |
| 420 | pcie_reg += 0x12; |
| 421 | pci_read_config_word(ha->pdev, pcie_reg, &pcie_lstat); |
| 422 | lspeed = pcie_lstat & (BIT_0 | BIT_1 | BIT_2 | BIT_3); |
| 423 | lwidth = (pcie_lstat & |
| 424 | (BIT_4 | BIT_5 | BIT_6 | BIT_7 | BIT_8 | BIT_9)) >> 4; |
| 425 | |
| 426 | strcpy(str, "PCIe ("); |
| 427 | if (lspeed == 1) |
| 428 | strcat(str, "2.5GT/s "); |
| 429 | else if (lspeed == 2) |
| 430 | strcat(str, "5.0GT/s "); |
| 431 | else |
| 432 | strcat(str, "<unknown> "); |
| 433 | snprintf(lwstr, sizeof(lwstr), "x%d)", lwidth); |
| 434 | strcat(str, lwstr); |
| 435 | |
| 436 | return str; |
| 437 | } |
| 438 | |
| 439 | strcpy(str, "PCI"); |
| 440 | pci_bus = (ha->pci_attr & CSRX_PCIX_BUS_MODE_MASK) >> 8; |
| 441 | if (pci_bus == 0 || pci_bus == 8) { |
| 442 | strcat(str, " ("); |
| 443 | strcat(str, pci_bus_modes[pci_bus >> 3]); |
| 444 | } else { |
| 445 | strcat(str, "-X "); |
| 446 | if (pci_bus & BIT_2) |
| 447 | strcat(str, "Mode 2"); |
| 448 | else |
| 449 | strcat(str, "Mode 1"); |
| 450 | strcat(str, " ("); |
| 451 | strcat(str, pci_bus_modes[pci_bus & ~BIT_2]); |
| 452 | } |
| 453 | strcat(str, " MHz)"); |
| 454 | |
| 455 | return str; |
| 456 | } |
| 457 | |
| 458 | static char * |
| 459 | qla2x00_fw_version_str(struct scsi_qla_host *vha, char *str) |
| 460 | { |
| 461 | char un_str[10]; |
| 462 | struct qla_hw_data *ha = vha->hw; |
| 463 | |
| 464 | sprintf(str, "%d.%02d.%02d ", ha->fw_major_version, |
| 465 | ha->fw_minor_version, |
| 466 | ha->fw_subminor_version); |
| 467 | |
| 468 | if (ha->fw_attributes & BIT_9) { |
| 469 | strcat(str, "FLX"); |
| 470 | return (str); |
| 471 | } |
| 472 | |
| 473 | switch (ha->fw_attributes & 0xFF) { |
| 474 | case 0x7: |
| 475 | strcat(str, "EF"); |
| 476 | break; |
| 477 | case 0x17: |
| 478 | strcat(str, "TP"); |
| 479 | break; |
| 480 | case 0x37: |
| 481 | strcat(str, "IP"); |
| 482 | break; |
| 483 | case 0x77: |
| 484 | strcat(str, "VI"); |
| 485 | break; |
| 486 | default: |
| 487 | sprintf(un_str, "(%x)", ha->fw_attributes); |
| 488 | strcat(str, un_str); |
| 489 | break; |
| 490 | } |
| 491 | if (ha->fw_attributes & 0x100) |
| 492 | strcat(str, "X"); |
| 493 | |
| 494 | return (str); |
| 495 | } |
| 496 | |
| 497 | static char * |
| 498 | qla24xx_fw_version_str(struct scsi_qla_host *vha, char *str) |
| 499 | { |
| 500 | struct qla_hw_data *ha = vha->hw; |
| 501 | |
| 502 | sprintf(str, "%d.%02d.%02d (%x)", ha->fw_major_version, |
| 503 | ha->fw_minor_version, ha->fw_subminor_version, ha->fw_attributes); |
| 504 | return str; |
| 505 | } |
| 506 | |
| 507 | static inline srb_t * |
| 508 | qla2x00_get_new_sp(scsi_qla_host_t *vha, fc_port_t *fcport, |
| 509 | struct scsi_cmnd *cmd) |
| 510 | { |
| 511 | srb_t *sp; |
| 512 | struct qla_hw_data *ha = vha->hw; |
| 513 | |
| 514 | sp = mempool_alloc(ha->srb_mempool, GFP_ATOMIC); |
| 515 | if (!sp) |
| 516 | return sp; |
| 517 | |
| 518 | atomic_set(&sp->ref_count, 1); |
| 519 | sp->fcport = fcport; |
| 520 | sp->cmd = cmd; |
| 521 | sp->flags = 0; |
| 522 | CMD_SP(cmd) = (void *)sp; |
| 523 | sp->ctx = NULL; |
| 524 | |
| 525 | return sp; |
| 526 | } |
| 527 | |
| 528 | static int |
| 529 | qla2xxx_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd) |
| 530 | { |
| 531 | scsi_qla_host_t *vha = shost_priv(cmd->device->host); |
| 532 | fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata; |
| 533 | struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device)); |
| 534 | struct qla_hw_data *ha = vha->hw; |
| 535 | struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev); |
| 536 | srb_t *sp; |
| 537 | int rval; |
| 538 | |
| 539 | if (ha->flags.eeh_busy) { |
| 540 | if (ha->flags.pci_channel_io_perm_failure) |
| 541 | cmd->result = DID_NO_CONNECT << 16; |
| 542 | else |
| 543 | cmd->result = DID_REQUEUE << 16; |
| 544 | goto qc24_fail_command; |
| 545 | } |
| 546 | |
| 547 | rval = fc_remote_port_chkready(rport); |
| 548 | if (rval) { |
| 549 | cmd->result = rval; |
| 550 | goto qc24_fail_command; |
| 551 | } |
| 552 | |
| 553 | if (!vha->flags.difdix_supported && |
| 554 | scsi_get_prot_op(cmd) != SCSI_PROT_NORMAL) { |
| 555 | DEBUG2(qla_printk(KERN_ERR, ha, |
| 556 | "DIF Cap Not Reg, fail DIF capable cmd's:%x\n", |
| 557 | cmd->cmnd[0])); |
| 558 | cmd->result = DID_NO_CONNECT << 16; |
| 559 | goto qc24_fail_command; |
| 560 | } |
| 561 | if (atomic_read(&fcport->state) != FCS_ONLINE) { |
| 562 | if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD || |
| 563 | atomic_read(&fcport->state) == FCS_DEVICE_LOST || |
| 564 | atomic_read(&base_vha->loop_state) == LOOP_DEAD) { |
| 565 | cmd->result = DID_NO_CONNECT << 16; |
| 566 | goto qc24_fail_command; |
| 567 | } |
| 568 | goto qc24_target_busy; |
| 569 | } |
| 570 | |
| 571 | sp = qla2x00_get_new_sp(base_vha, fcport, cmd); |
| 572 | if (!sp) |
| 573 | goto qc24_host_busy; |
| 574 | |
| 575 | rval = ha->isp_ops->start_scsi(sp); |
| 576 | if (rval != QLA_SUCCESS) |
| 577 | goto qc24_host_busy_free_sp; |
| 578 | |
| 579 | return 0; |
| 580 | |
| 581 | qc24_host_busy_free_sp: |
| 582 | qla2x00_sp_free_dma(sp); |
| 583 | mempool_free(sp, ha->srb_mempool); |
| 584 | |
| 585 | qc24_host_busy: |
| 586 | return SCSI_MLQUEUE_HOST_BUSY; |
| 587 | |
| 588 | qc24_target_busy: |
| 589 | return SCSI_MLQUEUE_TARGET_BUSY; |
| 590 | |
| 591 | qc24_fail_command: |
| 592 | cmd->scsi_done(cmd); |
| 593 | |
| 594 | return 0; |
| 595 | } |
| 596 | |
| 597 | /* |
| 598 | * qla2x00_eh_wait_on_command |
| 599 | * Waits for the command to be returned by the Firmware for some |
| 600 | * max time. |
| 601 | * |
| 602 | * Input: |
| 603 | * cmd = Scsi Command to wait on. |
| 604 | * |
| 605 | * Return: |
| 606 | * Not Found : 0 |
| 607 | * Found : 1 |
| 608 | */ |
| 609 | static int |
| 610 | qla2x00_eh_wait_on_command(struct scsi_cmnd *cmd) |
| 611 | { |
| 612 | #define ABORT_POLLING_PERIOD 1000 |
| 613 | #define ABORT_WAIT_ITER ((10 * 1000) / (ABORT_POLLING_PERIOD)) |
| 614 | unsigned long wait_iter = ABORT_WAIT_ITER; |
| 615 | scsi_qla_host_t *vha = shost_priv(cmd->device->host); |
| 616 | struct qla_hw_data *ha = vha->hw; |
| 617 | int ret = QLA_SUCCESS; |
| 618 | |
| 619 | if (unlikely(pci_channel_offline(ha->pdev)) || ha->flags.eeh_busy) { |
| 620 | DEBUG17(qla_printk(KERN_WARNING, ha, "return:eh_wait\n")); |
| 621 | return ret; |
| 622 | } |
| 623 | |
| 624 | while (CMD_SP(cmd) && wait_iter--) { |
| 625 | msleep(ABORT_POLLING_PERIOD); |
| 626 | } |
| 627 | if (CMD_SP(cmd)) |
| 628 | ret = QLA_FUNCTION_FAILED; |
| 629 | |
| 630 | return ret; |
| 631 | } |
| 632 | |
| 633 | /* |
| 634 | * qla2x00_wait_for_hba_online |
| 635 | * Wait till the HBA is online after going through |
| 636 | * <= MAX_RETRIES_OF_ISP_ABORT or |
| 637 | * finally HBA is disabled ie marked offline |
| 638 | * |
| 639 | * Input: |
| 640 | * ha - pointer to host adapter structure |
| 641 | * |
| 642 | * Note: |
| 643 | * Does context switching-Release SPIN_LOCK |
| 644 | * (if any) before calling this routine. |
| 645 | * |
| 646 | * Return: |
| 647 | * Success (Adapter is online) : 0 |
| 648 | * Failed (Adapter is offline/disabled) : 1 |
| 649 | */ |
| 650 | int |
| 651 | qla2x00_wait_for_hba_online(scsi_qla_host_t *vha) |
| 652 | { |
| 653 | int return_status; |
| 654 | unsigned long wait_online; |
| 655 | struct qla_hw_data *ha = vha->hw; |
| 656 | scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev); |
| 657 | |
| 658 | wait_online = jiffies + (MAX_LOOP_TIMEOUT * HZ); |
| 659 | while (((test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) || |
| 660 | test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags) || |
| 661 | test_bit(ISP_ABORT_RETRY, &base_vha->dpc_flags) || |
| 662 | ha->dpc_active) && time_before(jiffies, wait_online)) { |
| 663 | |
| 664 | msleep(1000); |
| 665 | } |
| 666 | if (base_vha->flags.online) |
| 667 | return_status = QLA_SUCCESS; |
| 668 | else |
| 669 | return_status = QLA_FUNCTION_FAILED; |
| 670 | |
| 671 | return (return_status); |
| 672 | } |
| 673 | |
| 674 | /* |
| 675 | * qla2x00_wait_for_reset_ready |
| 676 | * Wait till the HBA is online after going through |
| 677 | * <= MAX_RETRIES_OF_ISP_ABORT or |
| 678 | * finally HBA is disabled ie marked offline or flash |
| 679 | * operations are in progress. |
| 680 | * |
| 681 | * Input: |
| 682 | * ha - pointer to host adapter structure |
| 683 | * |
| 684 | * Note: |
| 685 | * Does context switching-Release SPIN_LOCK |
| 686 | * (if any) before calling this routine. |
| 687 | * |
| 688 | * Return: |
| 689 | * Success (Adapter is online/no flash ops) : 0 |
| 690 | * Failed (Adapter is offline/disabled/flash ops in progress) : 1 |
| 691 | */ |
| 692 | static int |
| 693 | qla2x00_wait_for_reset_ready(scsi_qla_host_t *vha) |
| 694 | { |
| 695 | int return_status; |
| 696 | unsigned long wait_online; |
| 697 | struct qla_hw_data *ha = vha->hw; |
| 698 | scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev); |
| 699 | |
| 700 | wait_online = jiffies + (MAX_LOOP_TIMEOUT * HZ); |
| 701 | while (((test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) || |
| 702 | test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags) || |
| 703 | test_bit(ISP_ABORT_RETRY, &base_vha->dpc_flags) || |
| 704 | ha->optrom_state != QLA_SWAITING || |
| 705 | ha->dpc_active) && time_before(jiffies, wait_online)) |
| 706 | msleep(1000); |
| 707 | |
| 708 | if (base_vha->flags.online && ha->optrom_state == QLA_SWAITING) |
| 709 | return_status = QLA_SUCCESS; |
| 710 | else |
| 711 | return_status = QLA_FUNCTION_FAILED; |
| 712 | |
| 713 | DEBUG2(printk("%s return_status=%d\n", __func__, return_status)); |
| 714 | |
| 715 | return return_status; |
| 716 | } |
| 717 | |
| 718 | int |
| 719 | qla2x00_wait_for_chip_reset(scsi_qla_host_t *vha) |
| 720 | { |
| 721 | int return_status; |
| 722 | unsigned long wait_reset; |
| 723 | struct qla_hw_data *ha = vha->hw; |
| 724 | scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev); |
| 725 | |
| 726 | wait_reset = jiffies + (MAX_LOOP_TIMEOUT * HZ); |
| 727 | while (((test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) || |
| 728 | test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags) || |
| 729 | test_bit(ISP_ABORT_RETRY, &base_vha->dpc_flags) || |
| 730 | ha->dpc_active) && time_before(jiffies, wait_reset)) { |
| 731 | |
| 732 | msleep(1000); |
| 733 | |
| 734 | if (!test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags) && |
| 735 | ha->flags.chip_reset_done) |
| 736 | break; |
| 737 | } |
| 738 | if (ha->flags.chip_reset_done) |
| 739 | return_status = QLA_SUCCESS; |
| 740 | else |
| 741 | return_status = QLA_FUNCTION_FAILED; |
| 742 | |
| 743 | return return_status; |
| 744 | } |
| 745 | |
| 746 | /* |
| 747 | * qla2x00_wait_for_loop_ready |
| 748 | * Wait for MAX_LOOP_TIMEOUT(5 min) value for loop |
| 749 | * to be in LOOP_READY state. |
| 750 | * Input: |
| 751 | * ha - pointer to host adapter structure |
| 752 | * |
| 753 | * Note: |
| 754 | * Does context switching-Release SPIN_LOCK |
| 755 | * (if any) before calling this routine. |
| 756 | * |
| 757 | * |
| 758 | * Return: |
| 759 | * Success (LOOP_READY) : 0 |
| 760 | * Failed (LOOP_NOT_READY) : 1 |
| 761 | */ |
| 762 | static inline int |
| 763 | qla2x00_wait_for_loop_ready(scsi_qla_host_t *vha) |
| 764 | { |
| 765 | int return_status = QLA_SUCCESS; |
| 766 | unsigned long loop_timeout ; |
| 767 | struct qla_hw_data *ha = vha->hw; |
| 768 | scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev); |
| 769 | |
| 770 | /* wait for 5 min at the max for loop to be ready */ |
| 771 | loop_timeout = jiffies + (MAX_LOOP_TIMEOUT * HZ); |
| 772 | |
| 773 | while ((!atomic_read(&base_vha->loop_down_timer) && |
| 774 | atomic_read(&base_vha->loop_state) == LOOP_DOWN) || |
| 775 | atomic_read(&base_vha->loop_state) != LOOP_READY) { |
| 776 | if (atomic_read(&base_vha->loop_state) == LOOP_DEAD) { |
| 777 | return_status = QLA_FUNCTION_FAILED; |
| 778 | break; |
| 779 | } |
| 780 | msleep(1000); |
| 781 | if (time_after_eq(jiffies, loop_timeout)) { |
| 782 | return_status = QLA_FUNCTION_FAILED; |
| 783 | break; |
| 784 | } |
| 785 | } |
| 786 | return (return_status); |
| 787 | } |
| 788 | |
| 789 | static void |
| 790 | sp_get(struct srb *sp) |
| 791 | { |
| 792 | atomic_inc(&sp->ref_count); |
| 793 | } |
| 794 | |
| 795 | /************************************************************************** |
| 796 | * qla2xxx_eh_abort |
| 797 | * |
| 798 | * Description: |
| 799 | * The abort function will abort the specified command. |
| 800 | * |
| 801 | * Input: |
| 802 | * cmd = Linux SCSI command packet to be aborted. |
| 803 | * |
| 804 | * Returns: |
| 805 | * Either SUCCESS or FAILED. |
| 806 | * |
| 807 | * Note: |
| 808 | * Only return FAILED if command not returned by firmware. |
| 809 | **************************************************************************/ |
| 810 | static int |
| 811 | qla2xxx_eh_abort(struct scsi_cmnd *cmd) |
| 812 | { |
| 813 | scsi_qla_host_t *vha = shost_priv(cmd->device->host); |
| 814 | srb_t *sp; |
| 815 | int ret = SUCCESS; |
| 816 | unsigned int id, lun; |
| 817 | unsigned long flags; |
| 818 | int wait = 0; |
| 819 | struct qla_hw_data *ha = vha->hw; |
| 820 | |
| 821 | fc_block_scsi_eh(cmd); |
| 822 | |
| 823 | if (!CMD_SP(cmd)) |
| 824 | return SUCCESS; |
| 825 | |
| 826 | id = cmd->device->id; |
| 827 | lun = cmd->device->lun; |
| 828 | |
| 829 | spin_lock_irqsave(&ha->hardware_lock, flags); |
| 830 | sp = (srb_t *) CMD_SP(cmd); |
| 831 | if (!sp) { |
| 832 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
| 833 | return SUCCESS; |
| 834 | } |
| 835 | |
| 836 | DEBUG2(printk("%s(%ld): aborting sp %p from RISC.", |
| 837 | __func__, vha->host_no, sp)); |
| 838 | |
| 839 | /* Get a reference to the sp and drop the lock.*/ |
| 840 | sp_get(sp); |
| 841 | |
| 842 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
| 843 | if (ha->isp_ops->abort_command(sp)) { |
| 844 | DEBUG2(printk("%s(%ld): abort_command " |
| 845 | "mbx failed.\n", __func__, vha->host_no)); |
| 846 | ret = FAILED; |
| 847 | } else { |
| 848 | DEBUG3(printk("%s(%ld): abort_command " |
| 849 | "mbx success.\n", __func__, vha->host_no)); |
| 850 | wait = 1; |
| 851 | } |
| 852 | qla2x00_sp_compl(ha, sp); |
| 853 | |
| 854 | /* Wait for the command to be returned. */ |
| 855 | if (wait) { |
| 856 | if (qla2x00_eh_wait_on_command(cmd) != QLA_SUCCESS) { |
| 857 | qla_printk(KERN_ERR, ha, |
| 858 | "scsi(%ld:%d:%d): Abort handler timed out -- %x.\n", |
| 859 | vha->host_no, id, lun, ret); |
| 860 | ret = FAILED; |
| 861 | } |
| 862 | } |
| 863 | |
| 864 | qla_printk(KERN_INFO, ha, |
| 865 | "scsi(%ld:%d:%d): Abort command issued -- %d %x.\n", |
| 866 | vha->host_no, id, lun, wait, ret); |
| 867 | |
| 868 | return ret; |
| 869 | } |
| 870 | |
| 871 | int |
| 872 | qla2x00_eh_wait_for_pending_commands(scsi_qla_host_t *vha, unsigned int t, |
| 873 | unsigned int l, enum nexus_wait_type type) |
| 874 | { |
| 875 | int cnt, match, status; |
| 876 | unsigned long flags; |
| 877 | struct qla_hw_data *ha = vha->hw; |
| 878 | struct req_que *req; |
| 879 | srb_t *sp; |
| 880 | |
| 881 | status = QLA_SUCCESS; |
| 882 | |
| 883 | spin_lock_irqsave(&ha->hardware_lock, flags); |
| 884 | req = vha->req; |
| 885 | for (cnt = 1; status == QLA_SUCCESS && |
| 886 | cnt < MAX_OUTSTANDING_COMMANDS; cnt++) { |
| 887 | sp = req->outstanding_cmds[cnt]; |
| 888 | if (!sp) |
| 889 | continue; |
| 890 | if ((sp->ctx) && !IS_PROT_IO(sp)) |
| 891 | continue; |
| 892 | if (vha->vp_idx != sp->fcport->vha->vp_idx) |
| 893 | continue; |
| 894 | match = 0; |
| 895 | switch (type) { |
| 896 | case WAIT_HOST: |
| 897 | match = 1; |
| 898 | break; |
| 899 | case WAIT_TARGET: |
| 900 | match = sp->cmd->device->id == t; |
| 901 | break; |
| 902 | case WAIT_LUN: |
| 903 | match = (sp->cmd->device->id == t && |
| 904 | sp->cmd->device->lun == l); |
| 905 | break; |
| 906 | } |
| 907 | if (!match) |
| 908 | continue; |
| 909 | |
| 910 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
| 911 | status = qla2x00_eh_wait_on_command(sp->cmd); |
| 912 | spin_lock_irqsave(&ha->hardware_lock, flags); |
| 913 | } |
| 914 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
| 915 | |
| 916 | return status; |
| 917 | } |
| 918 | |
| 919 | static char *reset_errors[] = { |
| 920 | "HBA not online", |
| 921 | "HBA not ready", |
| 922 | "Task management failed", |
| 923 | "Waiting for command completions", |
| 924 | }; |
| 925 | |
| 926 | static int |
| 927 | __qla2xxx_eh_generic_reset(char *name, enum nexus_wait_type type, |
| 928 | struct scsi_cmnd *cmd, int (*do_reset)(struct fc_port *, unsigned int, int)) |
| 929 | { |
| 930 | scsi_qla_host_t *vha = shost_priv(cmd->device->host); |
| 931 | fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata; |
| 932 | int err; |
| 933 | |
| 934 | fc_block_scsi_eh(cmd); |
| 935 | |
| 936 | if (!fcport) |
| 937 | return FAILED; |
| 938 | |
| 939 | qla_printk(KERN_INFO, vha->hw, "scsi(%ld:%d:%d): %s RESET ISSUED.\n", |
| 940 | vha->host_no, cmd->device->id, cmd->device->lun, name); |
| 941 | |
| 942 | err = 0; |
| 943 | if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) |
| 944 | goto eh_reset_failed; |
| 945 | err = 1; |
| 946 | if (qla2x00_wait_for_loop_ready(vha) != QLA_SUCCESS) |
| 947 | goto eh_reset_failed; |
| 948 | err = 2; |
| 949 | if (do_reset(fcport, cmd->device->lun, cmd->request->cpu + 1) |
| 950 | != QLA_SUCCESS) |
| 951 | goto eh_reset_failed; |
| 952 | err = 3; |
| 953 | if (qla2x00_eh_wait_for_pending_commands(vha, cmd->device->id, |
| 954 | cmd->device->lun, type) != QLA_SUCCESS) |
| 955 | goto eh_reset_failed; |
| 956 | |
| 957 | qla_printk(KERN_INFO, vha->hw, "scsi(%ld:%d:%d): %s RESET SUCCEEDED.\n", |
| 958 | vha->host_no, cmd->device->id, cmd->device->lun, name); |
| 959 | |
| 960 | return SUCCESS; |
| 961 | |
| 962 | eh_reset_failed: |
| 963 | qla_printk(KERN_INFO, vha->hw, "scsi(%ld:%d:%d): %s RESET FAILED: %s.\n" |
| 964 | , vha->host_no, cmd->device->id, cmd->device->lun, name, |
| 965 | reset_errors[err]); |
| 966 | return FAILED; |
| 967 | } |
| 968 | |
| 969 | static int |
| 970 | qla2xxx_eh_device_reset(struct scsi_cmnd *cmd) |
| 971 | { |
| 972 | scsi_qla_host_t *vha = shost_priv(cmd->device->host); |
| 973 | struct qla_hw_data *ha = vha->hw; |
| 974 | |
| 975 | return __qla2xxx_eh_generic_reset("DEVICE", WAIT_LUN, cmd, |
| 976 | ha->isp_ops->lun_reset); |
| 977 | } |
| 978 | |
| 979 | static int |
| 980 | qla2xxx_eh_target_reset(struct scsi_cmnd *cmd) |
| 981 | { |
| 982 | scsi_qla_host_t *vha = shost_priv(cmd->device->host); |
| 983 | struct qla_hw_data *ha = vha->hw; |
| 984 | |
| 985 | return __qla2xxx_eh_generic_reset("TARGET", WAIT_TARGET, cmd, |
| 986 | ha->isp_ops->target_reset); |
| 987 | } |
| 988 | |
| 989 | /************************************************************************** |
| 990 | * qla2xxx_eh_bus_reset |
| 991 | * |
| 992 | * Description: |
| 993 | * The bus reset function will reset the bus and abort any executing |
| 994 | * commands. |
| 995 | * |
| 996 | * Input: |
| 997 | * cmd = Linux SCSI command packet of the command that cause the |
| 998 | * bus reset. |
| 999 | * |
| 1000 | * Returns: |
| 1001 | * SUCCESS/FAILURE (defined as macro in scsi.h). |
| 1002 | * |
| 1003 | **************************************************************************/ |
| 1004 | static int |
| 1005 | qla2xxx_eh_bus_reset(struct scsi_cmnd *cmd) |
| 1006 | { |
| 1007 | scsi_qla_host_t *vha = shost_priv(cmd->device->host); |
| 1008 | fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata; |
| 1009 | int ret = FAILED; |
| 1010 | unsigned int id, lun; |
| 1011 | |
| 1012 | fc_block_scsi_eh(cmd); |
| 1013 | |
| 1014 | id = cmd->device->id; |
| 1015 | lun = cmd->device->lun; |
| 1016 | |
| 1017 | if (!fcport) |
| 1018 | return ret; |
| 1019 | |
| 1020 | qla_printk(KERN_INFO, vha->hw, |
| 1021 | "scsi(%ld:%d:%d): BUS RESET ISSUED.\n", vha->host_no, id, lun); |
| 1022 | |
| 1023 | if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) { |
| 1024 | DEBUG2(printk("%s failed:board disabled\n",__func__)); |
| 1025 | goto eh_bus_reset_done; |
| 1026 | } |
| 1027 | |
| 1028 | if (qla2x00_wait_for_loop_ready(vha) == QLA_SUCCESS) { |
| 1029 | if (qla2x00_loop_reset(vha) == QLA_SUCCESS) |
| 1030 | ret = SUCCESS; |
| 1031 | } |
| 1032 | if (ret == FAILED) |
| 1033 | goto eh_bus_reset_done; |
| 1034 | |
| 1035 | /* Flush outstanding commands. */ |
| 1036 | if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0, WAIT_HOST) != |
| 1037 | QLA_SUCCESS) |
| 1038 | ret = FAILED; |
| 1039 | |
| 1040 | eh_bus_reset_done: |
| 1041 | qla_printk(KERN_INFO, vha->hw, "%s: reset %s\n", __func__, |
| 1042 | (ret == FAILED) ? "failed" : "succeded"); |
| 1043 | |
| 1044 | return ret; |
| 1045 | } |
| 1046 | |
| 1047 | /************************************************************************** |
| 1048 | * qla2xxx_eh_host_reset |
| 1049 | * |
| 1050 | * Description: |
| 1051 | * The reset function will reset the Adapter. |
| 1052 | * |
| 1053 | * Input: |
| 1054 | * cmd = Linux SCSI command packet of the command that cause the |
| 1055 | * adapter reset. |
| 1056 | * |
| 1057 | * Returns: |
| 1058 | * Either SUCCESS or FAILED. |
| 1059 | * |
| 1060 | * Note: |
| 1061 | **************************************************************************/ |
| 1062 | static int |
| 1063 | qla2xxx_eh_host_reset(struct scsi_cmnd *cmd) |
| 1064 | { |
| 1065 | scsi_qla_host_t *vha = shost_priv(cmd->device->host); |
| 1066 | fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata; |
| 1067 | struct qla_hw_data *ha = vha->hw; |
| 1068 | int ret = FAILED; |
| 1069 | unsigned int id, lun; |
| 1070 | scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev); |
| 1071 | |
| 1072 | fc_block_scsi_eh(cmd); |
| 1073 | |
| 1074 | id = cmd->device->id; |
| 1075 | lun = cmd->device->lun; |
| 1076 | |
| 1077 | if (!fcport) |
| 1078 | return ret; |
| 1079 | |
| 1080 | qla_printk(KERN_INFO, ha, |
| 1081 | "scsi(%ld:%d:%d): ADAPTER RESET ISSUED.\n", vha->host_no, id, lun); |
| 1082 | |
| 1083 | if (qla2x00_wait_for_reset_ready(vha) != QLA_SUCCESS) |
| 1084 | goto eh_host_reset_lock; |
| 1085 | |
| 1086 | /* |
| 1087 | * Fixme-may be dpc thread is active and processing |
| 1088 | * loop_resync,so wait a while for it to |
| 1089 | * be completed and then issue big hammer.Otherwise |
| 1090 | * it may cause I/O failure as big hammer marks the |
| 1091 | * devices as lost kicking of the port_down_timer |
| 1092 | * while dpc is stuck for the mailbox to complete. |
| 1093 | */ |
| 1094 | qla2x00_wait_for_loop_ready(vha); |
| 1095 | if (vha != base_vha) { |
| 1096 | if (qla2x00_vp_abort_isp(vha)) |
| 1097 | goto eh_host_reset_lock; |
| 1098 | } else { |
| 1099 | if (IS_QLA82XX(vha->hw)) { |
| 1100 | if (!qla82xx_fcoe_ctx_reset(vha)) { |
| 1101 | /* Ctx reset success */ |
| 1102 | ret = SUCCESS; |
| 1103 | goto eh_host_reset_lock; |
| 1104 | } |
| 1105 | /* fall thru if ctx reset failed */ |
| 1106 | } |
| 1107 | if (ha->wq) |
| 1108 | flush_workqueue(ha->wq); |
| 1109 | |
| 1110 | set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags); |
| 1111 | if (ha->isp_ops->abort_isp(base_vha)) { |
| 1112 | clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags); |
| 1113 | /* failed. schedule dpc to try */ |
| 1114 | set_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags); |
| 1115 | |
| 1116 | if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) |
| 1117 | goto eh_host_reset_lock; |
| 1118 | } |
| 1119 | clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags); |
| 1120 | } |
| 1121 | |
| 1122 | /* Waiting for command to be returned to OS.*/ |
| 1123 | if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0, WAIT_HOST) == |
| 1124 | QLA_SUCCESS) |
| 1125 | ret = SUCCESS; |
| 1126 | |
| 1127 | eh_host_reset_lock: |
| 1128 | qla_printk(KERN_INFO, ha, "%s: reset %s\n", __func__, |
| 1129 | (ret == FAILED) ? "failed" : "succeded"); |
| 1130 | |
| 1131 | return ret; |
| 1132 | } |
| 1133 | |
| 1134 | /* |
| 1135 | * qla2x00_loop_reset |
| 1136 | * Issue loop reset. |
| 1137 | * |
| 1138 | * Input: |
| 1139 | * ha = adapter block pointer. |
| 1140 | * |
| 1141 | * Returns: |
| 1142 | * 0 = success |
| 1143 | */ |
| 1144 | int |
| 1145 | qla2x00_loop_reset(scsi_qla_host_t *vha) |
| 1146 | { |
| 1147 | int ret; |
| 1148 | struct fc_port *fcport; |
| 1149 | struct qla_hw_data *ha = vha->hw; |
| 1150 | |
| 1151 | if (ql2xtargetreset == 1 && ha->flags.enable_target_reset) { |
| 1152 | list_for_each_entry(fcport, &vha->vp_fcports, list) { |
| 1153 | if (fcport->port_type != FCT_TARGET) |
| 1154 | continue; |
| 1155 | |
| 1156 | ret = ha->isp_ops->target_reset(fcport, 0, 0); |
| 1157 | if (ret != QLA_SUCCESS) { |
| 1158 | DEBUG2_3(printk("%s(%ld): bus_reset failed: " |
| 1159 | "target_reset=%d d_id=%x.\n", __func__, |
| 1160 | vha->host_no, ret, fcport->d_id.b24)); |
| 1161 | } |
| 1162 | } |
| 1163 | } |
| 1164 | |
| 1165 | if (ha->flags.enable_lip_full_login && !IS_QLA8XXX_TYPE(ha)) { |
| 1166 | ret = qla2x00_full_login_lip(vha); |
| 1167 | if (ret != QLA_SUCCESS) { |
| 1168 | DEBUG2_3(printk("%s(%ld): failed: " |
| 1169 | "full_login_lip=%d.\n", __func__, vha->host_no, |
| 1170 | ret)); |
| 1171 | } |
| 1172 | atomic_set(&vha->loop_state, LOOP_DOWN); |
| 1173 | atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME); |
| 1174 | qla2x00_mark_all_devices_lost(vha, 0); |
| 1175 | qla2x00_wait_for_loop_ready(vha); |
| 1176 | } |
| 1177 | |
| 1178 | if (ha->flags.enable_lip_reset) { |
| 1179 | ret = qla2x00_lip_reset(vha); |
| 1180 | if (ret != QLA_SUCCESS) { |
| 1181 | DEBUG2_3(printk("%s(%ld): failed: " |
| 1182 | "lip_reset=%d.\n", __func__, vha->host_no, ret)); |
| 1183 | } else |
| 1184 | qla2x00_wait_for_loop_ready(vha); |
| 1185 | } |
| 1186 | |
| 1187 | /* Issue marker command only when we are going to start the I/O */ |
| 1188 | vha->marker_needed = 1; |
| 1189 | |
| 1190 | return QLA_SUCCESS; |
| 1191 | } |
| 1192 | |
| 1193 | void |
| 1194 | qla2x00_abort_all_cmds(scsi_qla_host_t *vha, int res) |
| 1195 | { |
| 1196 | int que, cnt; |
| 1197 | unsigned long flags; |
| 1198 | srb_t *sp; |
| 1199 | struct srb_ctx *ctx; |
| 1200 | struct qla_hw_data *ha = vha->hw; |
| 1201 | struct req_que *req; |
| 1202 | |
| 1203 | spin_lock_irqsave(&ha->hardware_lock, flags); |
| 1204 | for (que = 0; que < ha->max_req_queues; que++) { |
| 1205 | req = ha->req_q_map[que]; |
| 1206 | if (!req) |
| 1207 | continue; |
| 1208 | for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) { |
| 1209 | sp = req->outstanding_cmds[cnt]; |
| 1210 | if (sp) { |
| 1211 | req->outstanding_cmds[cnt] = NULL; |
| 1212 | if (!sp->ctx || |
| 1213 | (sp->flags & SRB_FCP_CMND_DMA_VALID) || |
| 1214 | IS_PROT_IO(sp)) { |
| 1215 | sp->cmd->result = res; |
| 1216 | qla2x00_sp_compl(ha, sp); |
| 1217 | } else { |
| 1218 | ctx = sp->ctx; |
| 1219 | if (ctx->type == SRB_LOGIN_CMD || |
| 1220 | ctx->type == SRB_LOGOUT_CMD) { |
| 1221 | ctx->u.iocb_cmd->free(sp); |
| 1222 | } else { |
| 1223 | struct fc_bsg_job *bsg_job = |
| 1224 | ctx->u.bsg_job; |
| 1225 | if (bsg_job->request->msgcode |
| 1226 | == FC_BSG_HST_CT) |
| 1227 | kfree(sp->fcport); |
| 1228 | bsg_job->req->errors = 0; |
| 1229 | bsg_job->reply->result = res; |
| 1230 | bsg_job->job_done(bsg_job); |
| 1231 | kfree(sp->ctx); |
| 1232 | mempool_free(sp, |
| 1233 | ha->srb_mempool); |
| 1234 | } |
| 1235 | } |
| 1236 | } |
| 1237 | } |
| 1238 | } |
| 1239 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
| 1240 | } |
| 1241 | |
| 1242 | static int |
| 1243 | qla2xxx_slave_alloc(struct scsi_device *sdev) |
| 1244 | { |
| 1245 | struct fc_rport *rport = starget_to_rport(scsi_target(sdev)); |
| 1246 | |
| 1247 | if (!rport || fc_remote_port_chkready(rport)) |
| 1248 | return -ENXIO; |
| 1249 | |
| 1250 | sdev->hostdata = *(fc_port_t **)rport->dd_data; |
| 1251 | |
| 1252 | return 0; |
| 1253 | } |
| 1254 | |
| 1255 | static int |
| 1256 | qla2xxx_slave_configure(struct scsi_device *sdev) |
| 1257 | { |
| 1258 | scsi_qla_host_t *vha = shost_priv(sdev->host); |
| 1259 | struct req_que *req = vha->req; |
| 1260 | |
| 1261 | if (sdev->tagged_supported) |
| 1262 | scsi_activate_tcq(sdev, req->max_q_depth); |
| 1263 | else |
| 1264 | scsi_deactivate_tcq(sdev, req->max_q_depth); |
| 1265 | return 0; |
| 1266 | } |
| 1267 | |
| 1268 | static void |
| 1269 | qla2xxx_slave_destroy(struct scsi_device *sdev) |
| 1270 | { |
| 1271 | sdev->hostdata = NULL; |
| 1272 | } |
| 1273 | |
| 1274 | static void qla2x00_handle_queue_full(struct scsi_device *sdev, int qdepth) |
| 1275 | { |
| 1276 | fc_port_t *fcport = (struct fc_port *) sdev->hostdata; |
| 1277 | |
| 1278 | if (!scsi_track_queue_full(sdev, qdepth)) |
| 1279 | return; |
| 1280 | |
| 1281 | DEBUG2(qla_printk(KERN_INFO, fcport->vha->hw, |
| 1282 | "scsi(%ld:%d:%d:%d): Queue depth adjusted-down to %d.\n", |
| 1283 | fcport->vha->host_no, sdev->channel, sdev->id, sdev->lun, |
| 1284 | sdev->queue_depth)); |
| 1285 | } |
| 1286 | |
| 1287 | static void qla2x00_adjust_sdev_qdepth_up(struct scsi_device *sdev, int qdepth) |
| 1288 | { |
| 1289 | fc_port_t *fcport = sdev->hostdata; |
| 1290 | struct scsi_qla_host *vha = fcport->vha; |
| 1291 | struct qla_hw_data *ha = vha->hw; |
| 1292 | struct req_que *req = NULL; |
| 1293 | |
| 1294 | req = vha->req; |
| 1295 | if (!req) |
| 1296 | return; |
| 1297 | |
| 1298 | if (req->max_q_depth <= sdev->queue_depth || req->max_q_depth < qdepth) |
| 1299 | return; |
| 1300 | |
| 1301 | if (sdev->ordered_tags) |
| 1302 | scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG, qdepth); |
| 1303 | else |
| 1304 | scsi_adjust_queue_depth(sdev, MSG_SIMPLE_TAG, qdepth); |
| 1305 | |
| 1306 | DEBUG2(qla_printk(KERN_INFO, ha, |
| 1307 | "scsi(%ld:%d:%d:%d): Queue depth adjusted-up to %d.\n", |
| 1308 | fcport->vha->host_no, sdev->channel, sdev->id, sdev->lun, |
| 1309 | sdev->queue_depth)); |
| 1310 | } |
| 1311 | |
| 1312 | static int |
| 1313 | qla2x00_change_queue_depth(struct scsi_device *sdev, int qdepth, int reason) |
| 1314 | { |
| 1315 | switch (reason) { |
| 1316 | case SCSI_QDEPTH_DEFAULT: |
| 1317 | scsi_adjust_queue_depth(sdev, scsi_get_tag_type(sdev), qdepth); |
| 1318 | break; |
| 1319 | case SCSI_QDEPTH_QFULL: |
| 1320 | qla2x00_handle_queue_full(sdev, qdepth); |
| 1321 | break; |
| 1322 | case SCSI_QDEPTH_RAMP_UP: |
| 1323 | qla2x00_adjust_sdev_qdepth_up(sdev, qdepth); |
| 1324 | break; |
| 1325 | default: |
| 1326 | return -EOPNOTSUPP; |
| 1327 | } |
| 1328 | |
| 1329 | return sdev->queue_depth; |
| 1330 | } |
| 1331 | |
| 1332 | static int |
| 1333 | qla2x00_change_queue_type(struct scsi_device *sdev, int tag_type) |
| 1334 | { |
| 1335 | if (sdev->tagged_supported) { |
| 1336 | scsi_set_tag_type(sdev, tag_type); |
| 1337 | if (tag_type) |
| 1338 | scsi_activate_tcq(sdev, sdev->queue_depth); |
| 1339 | else |
| 1340 | scsi_deactivate_tcq(sdev, sdev->queue_depth); |
| 1341 | } else |
| 1342 | tag_type = 0; |
| 1343 | |
| 1344 | return tag_type; |
| 1345 | } |
| 1346 | |
| 1347 | /** |
| 1348 | * qla2x00_config_dma_addressing() - Configure OS DMA addressing method. |
| 1349 | * @ha: HA context |
| 1350 | * |
| 1351 | * At exit, the @ha's flags.enable_64bit_addressing set to indicated |
| 1352 | * supported addressing method. |
| 1353 | */ |
| 1354 | static void |
| 1355 | qla2x00_config_dma_addressing(struct qla_hw_data *ha) |
| 1356 | { |
| 1357 | /* Assume a 32bit DMA mask. */ |
| 1358 | ha->flags.enable_64bit_addressing = 0; |
| 1359 | |
| 1360 | if (!dma_set_mask(&ha->pdev->dev, DMA_BIT_MASK(64))) { |
| 1361 | /* Any upper-dword bits set? */ |
| 1362 | if (MSD(dma_get_required_mask(&ha->pdev->dev)) && |
| 1363 | !pci_set_consistent_dma_mask(ha->pdev, DMA_BIT_MASK(64))) { |
| 1364 | /* Ok, a 64bit DMA mask is applicable. */ |
| 1365 | ha->flags.enable_64bit_addressing = 1; |
| 1366 | ha->isp_ops->calc_req_entries = qla2x00_calc_iocbs_64; |
| 1367 | ha->isp_ops->build_iocbs = qla2x00_build_scsi_iocbs_64; |
| 1368 | return; |
| 1369 | } |
| 1370 | } |
| 1371 | |
| 1372 | dma_set_mask(&ha->pdev->dev, DMA_BIT_MASK(32)); |
| 1373 | pci_set_consistent_dma_mask(ha->pdev, DMA_BIT_MASK(32)); |
| 1374 | } |
| 1375 | |
| 1376 | static void |
| 1377 | qla2x00_enable_intrs(struct qla_hw_data *ha) |
| 1378 | { |
| 1379 | unsigned long flags = 0; |
| 1380 | struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; |
| 1381 | |
| 1382 | spin_lock_irqsave(&ha->hardware_lock, flags); |
| 1383 | ha->interrupts_on = 1; |
| 1384 | /* enable risc and host interrupts */ |
| 1385 | WRT_REG_WORD(®->ictrl, ICR_EN_INT | ICR_EN_RISC); |
| 1386 | RD_REG_WORD(®->ictrl); |
| 1387 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
| 1388 | |
| 1389 | } |
| 1390 | |
| 1391 | static void |
| 1392 | qla2x00_disable_intrs(struct qla_hw_data *ha) |
| 1393 | { |
| 1394 | unsigned long flags = 0; |
| 1395 | struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; |
| 1396 | |
| 1397 | spin_lock_irqsave(&ha->hardware_lock, flags); |
| 1398 | ha->interrupts_on = 0; |
| 1399 | /* disable risc and host interrupts */ |
| 1400 | WRT_REG_WORD(®->ictrl, 0); |
| 1401 | RD_REG_WORD(®->ictrl); |
| 1402 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
| 1403 | } |
| 1404 | |
| 1405 | static void |
| 1406 | qla24xx_enable_intrs(struct qla_hw_data *ha) |
| 1407 | { |
| 1408 | unsigned long flags = 0; |
| 1409 | struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; |
| 1410 | |
| 1411 | spin_lock_irqsave(&ha->hardware_lock, flags); |
| 1412 | ha->interrupts_on = 1; |
| 1413 | WRT_REG_DWORD(®->ictrl, ICRX_EN_RISC_INT); |
| 1414 | RD_REG_DWORD(®->ictrl); |
| 1415 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
| 1416 | } |
| 1417 | |
| 1418 | static void |
| 1419 | qla24xx_disable_intrs(struct qla_hw_data *ha) |
| 1420 | { |
| 1421 | unsigned long flags = 0; |
| 1422 | struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; |
| 1423 | |
| 1424 | if (IS_NOPOLLING_TYPE(ha)) |
| 1425 | return; |
| 1426 | spin_lock_irqsave(&ha->hardware_lock, flags); |
| 1427 | ha->interrupts_on = 0; |
| 1428 | WRT_REG_DWORD(®->ictrl, 0); |
| 1429 | RD_REG_DWORD(®->ictrl); |
| 1430 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
| 1431 | } |
| 1432 | |
| 1433 | static struct isp_operations qla2100_isp_ops = { |
| 1434 | .pci_config = qla2100_pci_config, |
| 1435 | .reset_chip = qla2x00_reset_chip, |
| 1436 | .chip_diag = qla2x00_chip_diag, |
| 1437 | .config_rings = qla2x00_config_rings, |
| 1438 | .reset_adapter = qla2x00_reset_adapter, |
| 1439 | .nvram_config = qla2x00_nvram_config, |
| 1440 | .update_fw_options = qla2x00_update_fw_options, |
| 1441 | .load_risc = qla2x00_load_risc, |
| 1442 | .pci_info_str = qla2x00_pci_info_str, |
| 1443 | .fw_version_str = qla2x00_fw_version_str, |
| 1444 | .intr_handler = qla2100_intr_handler, |
| 1445 | .enable_intrs = qla2x00_enable_intrs, |
| 1446 | .disable_intrs = qla2x00_disable_intrs, |
| 1447 | .abort_command = qla2x00_abort_command, |
| 1448 | .target_reset = qla2x00_abort_target, |
| 1449 | .lun_reset = qla2x00_lun_reset, |
| 1450 | .fabric_login = qla2x00_login_fabric, |
| 1451 | .fabric_logout = qla2x00_fabric_logout, |
| 1452 | .calc_req_entries = qla2x00_calc_iocbs_32, |
| 1453 | .build_iocbs = qla2x00_build_scsi_iocbs_32, |
| 1454 | .prep_ms_iocb = qla2x00_prep_ms_iocb, |
| 1455 | .prep_ms_fdmi_iocb = qla2x00_prep_ms_fdmi_iocb, |
| 1456 | .read_nvram = qla2x00_read_nvram_data, |
| 1457 | .write_nvram = qla2x00_write_nvram_data, |
| 1458 | .fw_dump = qla2100_fw_dump, |
| 1459 | .beacon_on = NULL, |
| 1460 | .beacon_off = NULL, |
| 1461 | .beacon_blink = NULL, |
| 1462 | .read_optrom = qla2x00_read_optrom_data, |
| 1463 | .write_optrom = qla2x00_write_optrom_data, |
| 1464 | .get_flash_version = qla2x00_get_flash_version, |
| 1465 | .start_scsi = qla2x00_start_scsi, |
| 1466 | .abort_isp = qla2x00_abort_isp, |
| 1467 | }; |
| 1468 | |
| 1469 | static struct isp_operations qla2300_isp_ops = { |
| 1470 | .pci_config = qla2300_pci_config, |
| 1471 | .reset_chip = qla2x00_reset_chip, |
| 1472 | .chip_diag = qla2x00_chip_diag, |
| 1473 | .config_rings = qla2x00_config_rings, |
| 1474 | .reset_adapter = qla2x00_reset_adapter, |
| 1475 | .nvram_config = qla2x00_nvram_config, |
| 1476 | .update_fw_options = qla2x00_update_fw_options, |
| 1477 | .load_risc = qla2x00_load_risc, |
| 1478 | .pci_info_str = qla2x00_pci_info_str, |
| 1479 | .fw_version_str = qla2x00_fw_version_str, |
| 1480 | .intr_handler = qla2300_intr_handler, |
| 1481 | .enable_intrs = qla2x00_enable_intrs, |
| 1482 | .disable_intrs = qla2x00_disable_intrs, |
| 1483 | .abort_command = qla2x00_abort_command, |
| 1484 | .target_reset = qla2x00_abort_target, |
| 1485 | .lun_reset = qla2x00_lun_reset, |
| 1486 | .fabric_login = qla2x00_login_fabric, |
| 1487 | .fabric_logout = qla2x00_fabric_logout, |
| 1488 | .calc_req_entries = qla2x00_calc_iocbs_32, |
| 1489 | .build_iocbs = qla2x00_build_scsi_iocbs_32, |
| 1490 | .prep_ms_iocb = qla2x00_prep_ms_iocb, |
| 1491 | .prep_ms_fdmi_iocb = qla2x00_prep_ms_fdmi_iocb, |
| 1492 | .read_nvram = qla2x00_read_nvram_data, |
| 1493 | .write_nvram = qla2x00_write_nvram_data, |
| 1494 | .fw_dump = qla2300_fw_dump, |
| 1495 | .beacon_on = qla2x00_beacon_on, |
| 1496 | .beacon_off = qla2x00_beacon_off, |
| 1497 | .beacon_blink = qla2x00_beacon_blink, |
| 1498 | .read_optrom = qla2x00_read_optrom_data, |
| 1499 | .write_optrom = qla2x00_write_optrom_data, |
| 1500 | .get_flash_version = qla2x00_get_flash_version, |
| 1501 | .start_scsi = qla2x00_start_scsi, |
| 1502 | .abort_isp = qla2x00_abort_isp, |
| 1503 | }; |
| 1504 | |
| 1505 | static struct isp_operations qla24xx_isp_ops = { |
| 1506 | .pci_config = qla24xx_pci_config, |
| 1507 | .reset_chip = qla24xx_reset_chip, |
| 1508 | .chip_diag = qla24xx_chip_diag, |
| 1509 | .config_rings = qla24xx_config_rings, |
| 1510 | .reset_adapter = qla24xx_reset_adapter, |
| 1511 | .nvram_config = qla24xx_nvram_config, |
| 1512 | .update_fw_options = qla24xx_update_fw_options, |
| 1513 | .load_risc = qla24xx_load_risc, |
| 1514 | .pci_info_str = qla24xx_pci_info_str, |
| 1515 | .fw_version_str = qla24xx_fw_version_str, |
| 1516 | .intr_handler = qla24xx_intr_handler, |
| 1517 | .enable_intrs = qla24xx_enable_intrs, |
| 1518 | .disable_intrs = qla24xx_disable_intrs, |
| 1519 | .abort_command = qla24xx_abort_command, |
| 1520 | .target_reset = qla24xx_abort_target, |
| 1521 | .lun_reset = qla24xx_lun_reset, |
| 1522 | .fabric_login = qla24xx_login_fabric, |
| 1523 | .fabric_logout = qla24xx_fabric_logout, |
| 1524 | .calc_req_entries = NULL, |
| 1525 | .build_iocbs = NULL, |
| 1526 | .prep_ms_iocb = qla24xx_prep_ms_iocb, |
| 1527 | .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb, |
| 1528 | .read_nvram = qla24xx_read_nvram_data, |
| 1529 | .write_nvram = qla24xx_write_nvram_data, |
| 1530 | .fw_dump = qla24xx_fw_dump, |
| 1531 | .beacon_on = qla24xx_beacon_on, |
| 1532 | .beacon_off = qla24xx_beacon_off, |
| 1533 | .beacon_blink = qla24xx_beacon_blink, |
| 1534 | .read_optrom = qla24xx_read_optrom_data, |
| 1535 | .write_optrom = qla24xx_write_optrom_data, |
| 1536 | .get_flash_version = qla24xx_get_flash_version, |
| 1537 | .start_scsi = qla24xx_start_scsi, |
| 1538 | .abort_isp = qla2x00_abort_isp, |
| 1539 | }; |
| 1540 | |
| 1541 | static struct isp_operations qla25xx_isp_ops = { |
| 1542 | .pci_config = qla25xx_pci_config, |
| 1543 | .reset_chip = qla24xx_reset_chip, |
| 1544 | .chip_diag = qla24xx_chip_diag, |
| 1545 | .config_rings = qla24xx_config_rings, |
| 1546 | .reset_adapter = qla24xx_reset_adapter, |
| 1547 | .nvram_config = qla24xx_nvram_config, |
| 1548 | .update_fw_options = qla24xx_update_fw_options, |
| 1549 | .load_risc = qla24xx_load_risc, |
| 1550 | .pci_info_str = qla24xx_pci_info_str, |
| 1551 | .fw_version_str = qla24xx_fw_version_str, |
| 1552 | .intr_handler = qla24xx_intr_handler, |
| 1553 | .enable_intrs = qla24xx_enable_intrs, |
| 1554 | .disable_intrs = qla24xx_disable_intrs, |
| 1555 | .abort_command = qla24xx_abort_command, |
| 1556 | .target_reset = qla24xx_abort_target, |
| 1557 | .lun_reset = qla24xx_lun_reset, |
| 1558 | .fabric_login = qla24xx_login_fabric, |
| 1559 | .fabric_logout = qla24xx_fabric_logout, |
| 1560 | .calc_req_entries = NULL, |
| 1561 | .build_iocbs = NULL, |
| 1562 | .prep_ms_iocb = qla24xx_prep_ms_iocb, |
| 1563 | .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb, |
| 1564 | .read_nvram = qla25xx_read_nvram_data, |
| 1565 | .write_nvram = qla25xx_write_nvram_data, |
| 1566 | .fw_dump = qla25xx_fw_dump, |
| 1567 | .beacon_on = qla24xx_beacon_on, |
| 1568 | .beacon_off = qla24xx_beacon_off, |
| 1569 | .beacon_blink = qla24xx_beacon_blink, |
| 1570 | .read_optrom = qla25xx_read_optrom_data, |
| 1571 | .write_optrom = qla24xx_write_optrom_data, |
| 1572 | .get_flash_version = qla24xx_get_flash_version, |
| 1573 | .start_scsi = qla24xx_dif_start_scsi, |
| 1574 | .abort_isp = qla2x00_abort_isp, |
| 1575 | }; |
| 1576 | |
| 1577 | static struct isp_operations qla81xx_isp_ops = { |
| 1578 | .pci_config = qla25xx_pci_config, |
| 1579 | .reset_chip = qla24xx_reset_chip, |
| 1580 | .chip_diag = qla24xx_chip_diag, |
| 1581 | .config_rings = qla24xx_config_rings, |
| 1582 | .reset_adapter = qla24xx_reset_adapter, |
| 1583 | .nvram_config = qla81xx_nvram_config, |
| 1584 | .update_fw_options = qla81xx_update_fw_options, |
| 1585 | .load_risc = qla81xx_load_risc, |
| 1586 | .pci_info_str = qla24xx_pci_info_str, |
| 1587 | .fw_version_str = qla24xx_fw_version_str, |
| 1588 | .intr_handler = qla24xx_intr_handler, |
| 1589 | .enable_intrs = qla24xx_enable_intrs, |
| 1590 | .disable_intrs = qla24xx_disable_intrs, |
| 1591 | .abort_command = qla24xx_abort_command, |
| 1592 | .target_reset = qla24xx_abort_target, |
| 1593 | .lun_reset = qla24xx_lun_reset, |
| 1594 | .fabric_login = qla24xx_login_fabric, |
| 1595 | .fabric_logout = qla24xx_fabric_logout, |
| 1596 | .calc_req_entries = NULL, |
| 1597 | .build_iocbs = NULL, |
| 1598 | .prep_ms_iocb = qla24xx_prep_ms_iocb, |
| 1599 | .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb, |
| 1600 | .read_nvram = NULL, |
| 1601 | .write_nvram = NULL, |
| 1602 | .fw_dump = qla81xx_fw_dump, |
| 1603 | .beacon_on = qla24xx_beacon_on, |
| 1604 | .beacon_off = qla24xx_beacon_off, |
| 1605 | .beacon_blink = qla24xx_beacon_blink, |
| 1606 | .read_optrom = qla25xx_read_optrom_data, |
| 1607 | .write_optrom = qla24xx_write_optrom_data, |
| 1608 | .get_flash_version = qla24xx_get_flash_version, |
| 1609 | .start_scsi = qla24xx_dif_start_scsi, |
| 1610 | .abort_isp = qla2x00_abort_isp, |
| 1611 | }; |
| 1612 | |
| 1613 | static struct isp_operations qla82xx_isp_ops = { |
| 1614 | .pci_config = qla82xx_pci_config, |
| 1615 | .reset_chip = qla82xx_reset_chip, |
| 1616 | .chip_diag = qla24xx_chip_diag, |
| 1617 | .config_rings = qla82xx_config_rings, |
| 1618 | .reset_adapter = qla24xx_reset_adapter, |
| 1619 | .nvram_config = qla81xx_nvram_config, |
| 1620 | .update_fw_options = qla24xx_update_fw_options, |
| 1621 | .load_risc = qla82xx_load_risc, |
| 1622 | .pci_info_str = qla82xx_pci_info_str, |
| 1623 | .fw_version_str = qla24xx_fw_version_str, |
| 1624 | .intr_handler = qla82xx_intr_handler, |
| 1625 | .enable_intrs = qla82xx_enable_intrs, |
| 1626 | .disable_intrs = qla82xx_disable_intrs, |
| 1627 | .abort_command = qla24xx_abort_command, |
| 1628 | .target_reset = qla24xx_abort_target, |
| 1629 | .lun_reset = qla24xx_lun_reset, |
| 1630 | .fabric_login = qla24xx_login_fabric, |
| 1631 | .fabric_logout = qla24xx_fabric_logout, |
| 1632 | .calc_req_entries = NULL, |
| 1633 | .build_iocbs = NULL, |
| 1634 | .prep_ms_iocb = qla24xx_prep_ms_iocb, |
| 1635 | .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb, |
| 1636 | .read_nvram = qla24xx_read_nvram_data, |
| 1637 | .write_nvram = qla24xx_write_nvram_data, |
| 1638 | .fw_dump = qla24xx_fw_dump, |
| 1639 | .beacon_on = qla24xx_beacon_on, |
| 1640 | .beacon_off = qla24xx_beacon_off, |
| 1641 | .beacon_blink = qla24xx_beacon_blink, |
| 1642 | .read_optrom = qla82xx_read_optrom_data, |
| 1643 | .write_optrom = qla82xx_write_optrom_data, |
| 1644 | .get_flash_version = qla24xx_get_flash_version, |
| 1645 | .start_scsi = qla82xx_start_scsi, |
| 1646 | .abort_isp = qla82xx_abort_isp, |
| 1647 | }; |
| 1648 | |
| 1649 | static inline void |
| 1650 | qla2x00_set_isp_flags(struct qla_hw_data *ha) |
| 1651 | { |
| 1652 | ha->device_type = DT_EXTENDED_IDS; |
| 1653 | switch (ha->pdev->device) { |
| 1654 | case PCI_DEVICE_ID_QLOGIC_ISP2100: |
| 1655 | ha->device_type |= DT_ISP2100; |
| 1656 | ha->device_type &= ~DT_EXTENDED_IDS; |
| 1657 | ha->fw_srisc_address = RISC_START_ADDRESS_2100; |
| 1658 | break; |
| 1659 | case PCI_DEVICE_ID_QLOGIC_ISP2200: |
| 1660 | ha->device_type |= DT_ISP2200; |
| 1661 | ha->device_type &= ~DT_EXTENDED_IDS; |
| 1662 | ha->fw_srisc_address = RISC_START_ADDRESS_2100; |
| 1663 | break; |
| 1664 | case PCI_DEVICE_ID_QLOGIC_ISP2300: |
| 1665 | ha->device_type |= DT_ISP2300; |
| 1666 | ha->device_type |= DT_ZIO_SUPPORTED; |
| 1667 | ha->fw_srisc_address = RISC_START_ADDRESS_2300; |
| 1668 | break; |
| 1669 | case PCI_DEVICE_ID_QLOGIC_ISP2312: |
| 1670 | ha->device_type |= DT_ISP2312; |
| 1671 | ha->device_type |= DT_ZIO_SUPPORTED; |
| 1672 | ha->fw_srisc_address = RISC_START_ADDRESS_2300; |
| 1673 | break; |
| 1674 | case PCI_DEVICE_ID_QLOGIC_ISP2322: |
| 1675 | ha->device_type |= DT_ISP2322; |
| 1676 | ha->device_type |= DT_ZIO_SUPPORTED; |
| 1677 | if (ha->pdev->subsystem_vendor == 0x1028 && |
| 1678 | ha->pdev->subsystem_device == 0x0170) |
| 1679 | ha->device_type |= DT_OEM_001; |
| 1680 | ha->fw_srisc_address = RISC_START_ADDRESS_2300; |
| 1681 | break; |
| 1682 | case PCI_DEVICE_ID_QLOGIC_ISP6312: |
| 1683 | ha->device_type |= DT_ISP6312; |
| 1684 | ha->fw_srisc_address = RISC_START_ADDRESS_2300; |
| 1685 | break; |
| 1686 | case PCI_DEVICE_ID_QLOGIC_ISP6322: |
| 1687 | ha->device_type |= DT_ISP6322; |
| 1688 | ha->fw_srisc_address = RISC_START_ADDRESS_2300; |
| 1689 | break; |
| 1690 | case PCI_DEVICE_ID_QLOGIC_ISP2422: |
| 1691 | ha->device_type |= DT_ISP2422; |
| 1692 | ha->device_type |= DT_ZIO_SUPPORTED; |
| 1693 | ha->device_type |= DT_FWI2; |
| 1694 | ha->device_type |= DT_IIDMA; |
| 1695 | ha->fw_srisc_address = RISC_START_ADDRESS_2400; |
| 1696 | break; |
| 1697 | case PCI_DEVICE_ID_QLOGIC_ISP2432: |
| 1698 | ha->device_type |= DT_ISP2432; |
| 1699 | ha->device_type |= DT_ZIO_SUPPORTED; |
| 1700 | ha->device_type |= DT_FWI2; |
| 1701 | ha->device_type |= DT_IIDMA; |
| 1702 | ha->fw_srisc_address = RISC_START_ADDRESS_2400; |
| 1703 | break; |
| 1704 | case PCI_DEVICE_ID_QLOGIC_ISP8432: |
| 1705 | ha->device_type |= DT_ISP8432; |
| 1706 | ha->device_type |= DT_ZIO_SUPPORTED; |
| 1707 | ha->device_type |= DT_FWI2; |
| 1708 | ha->device_type |= DT_IIDMA; |
| 1709 | ha->fw_srisc_address = RISC_START_ADDRESS_2400; |
| 1710 | break; |
| 1711 | case PCI_DEVICE_ID_QLOGIC_ISP5422: |
| 1712 | ha->device_type |= DT_ISP5422; |
| 1713 | ha->device_type |= DT_FWI2; |
| 1714 | ha->fw_srisc_address = RISC_START_ADDRESS_2400; |
| 1715 | break; |
| 1716 | case PCI_DEVICE_ID_QLOGIC_ISP5432: |
| 1717 | ha->device_type |= DT_ISP5432; |
| 1718 | ha->device_type |= DT_FWI2; |
| 1719 | ha->fw_srisc_address = RISC_START_ADDRESS_2400; |
| 1720 | break; |
| 1721 | case PCI_DEVICE_ID_QLOGIC_ISP2532: |
| 1722 | ha->device_type |= DT_ISP2532; |
| 1723 | ha->device_type |= DT_ZIO_SUPPORTED; |
| 1724 | ha->device_type |= DT_FWI2; |
| 1725 | ha->device_type |= DT_IIDMA; |
| 1726 | ha->fw_srisc_address = RISC_START_ADDRESS_2400; |
| 1727 | break; |
| 1728 | case PCI_DEVICE_ID_QLOGIC_ISP8001: |
| 1729 | ha->device_type |= DT_ISP8001; |
| 1730 | ha->device_type |= DT_ZIO_SUPPORTED; |
| 1731 | ha->device_type |= DT_FWI2; |
| 1732 | ha->device_type |= DT_IIDMA; |
| 1733 | ha->fw_srisc_address = RISC_START_ADDRESS_2400; |
| 1734 | break; |
| 1735 | case PCI_DEVICE_ID_QLOGIC_ISP8021: |
| 1736 | ha->device_type |= DT_ISP8021; |
| 1737 | ha->device_type |= DT_ZIO_SUPPORTED; |
| 1738 | ha->device_type |= DT_FWI2; |
| 1739 | ha->fw_srisc_address = RISC_START_ADDRESS_2400; |
| 1740 | /* Initialize 82XX ISP flags */ |
| 1741 | qla82xx_init_flags(ha); |
| 1742 | break; |
| 1743 | } |
| 1744 | |
| 1745 | if (IS_QLA82XX(ha)) |
| 1746 | ha->port_no = !(ha->portnum & 1); |
| 1747 | else |
| 1748 | /* Get adapter physical port no from interrupt pin register. */ |
| 1749 | pci_read_config_byte(ha->pdev, PCI_INTERRUPT_PIN, &ha->port_no); |
| 1750 | |
| 1751 | if (ha->port_no & 1) |
| 1752 | ha->flags.port0 = 1; |
| 1753 | else |
| 1754 | ha->flags.port0 = 0; |
| 1755 | } |
| 1756 | |
| 1757 | static int |
| 1758 | qla2x00_iospace_config(struct qla_hw_data *ha) |
| 1759 | { |
| 1760 | resource_size_t pio; |
| 1761 | uint16_t msix; |
| 1762 | int cpus; |
| 1763 | |
| 1764 | if (IS_QLA82XX(ha)) |
| 1765 | return qla82xx_iospace_config(ha); |
| 1766 | |
| 1767 | if (pci_request_selected_regions(ha->pdev, ha->bars, |
| 1768 | QLA2XXX_DRIVER_NAME)) { |
| 1769 | qla_printk(KERN_WARNING, ha, |
| 1770 | "Failed to reserve PIO/MMIO regions (%s)\n", |
| 1771 | pci_name(ha->pdev)); |
| 1772 | |
| 1773 | goto iospace_error_exit; |
| 1774 | } |
| 1775 | if (!(ha->bars & 1)) |
| 1776 | goto skip_pio; |
| 1777 | |
| 1778 | /* We only need PIO for Flash operations on ISP2312 v2 chips. */ |
| 1779 | pio = pci_resource_start(ha->pdev, 0); |
| 1780 | if (pci_resource_flags(ha->pdev, 0) & IORESOURCE_IO) { |
| 1781 | if (pci_resource_len(ha->pdev, 0) < MIN_IOBASE_LEN) { |
| 1782 | qla_printk(KERN_WARNING, ha, |
| 1783 | "Invalid PCI I/O region size (%s)...\n", |
| 1784 | pci_name(ha->pdev)); |
| 1785 | pio = 0; |
| 1786 | } |
| 1787 | } else { |
| 1788 | qla_printk(KERN_WARNING, ha, |
| 1789 | "region #0 not a PIO resource (%s)...\n", |
| 1790 | pci_name(ha->pdev)); |
| 1791 | pio = 0; |
| 1792 | } |
| 1793 | ha->pio_address = pio; |
| 1794 | |
| 1795 | skip_pio: |
| 1796 | /* Use MMIO operations for all accesses. */ |
| 1797 | if (!(pci_resource_flags(ha->pdev, 1) & IORESOURCE_MEM)) { |
| 1798 | qla_printk(KERN_ERR, ha, |
| 1799 | "region #1 not an MMIO resource (%s), aborting\n", |
| 1800 | pci_name(ha->pdev)); |
| 1801 | goto iospace_error_exit; |
| 1802 | } |
| 1803 | if (pci_resource_len(ha->pdev, 1) < MIN_IOBASE_LEN) { |
| 1804 | qla_printk(KERN_ERR, ha, |
| 1805 | "Invalid PCI mem region size (%s), aborting\n", |
| 1806 | pci_name(ha->pdev)); |
| 1807 | goto iospace_error_exit; |
| 1808 | } |
| 1809 | |
| 1810 | ha->iobase = ioremap(pci_resource_start(ha->pdev, 1), MIN_IOBASE_LEN); |
| 1811 | if (!ha->iobase) { |
| 1812 | qla_printk(KERN_ERR, ha, |
| 1813 | "cannot remap MMIO (%s), aborting\n", pci_name(ha->pdev)); |
| 1814 | |
| 1815 | goto iospace_error_exit; |
| 1816 | } |
| 1817 | |
| 1818 | /* Determine queue resources */ |
| 1819 | ha->max_req_queues = ha->max_rsp_queues = 1; |
| 1820 | if ((ql2xmaxqueues <= 1 && !ql2xmultique_tag) || |
| 1821 | (ql2xmaxqueues > 1 && ql2xmultique_tag) || |
| 1822 | (!IS_QLA25XX(ha) && !IS_QLA81XX(ha))) |
| 1823 | goto mqiobase_exit; |
| 1824 | |
| 1825 | ha->mqiobase = ioremap(pci_resource_start(ha->pdev, 3), |
| 1826 | pci_resource_len(ha->pdev, 3)); |
| 1827 | if (ha->mqiobase) { |
| 1828 | /* Read MSIX vector size of the board */ |
| 1829 | pci_read_config_word(ha->pdev, QLA_PCI_MSIX_CONTROL, &msix); |
| 1830 | ha->msix_count = msix; |
| 1831 | /* Max queues are bounded by available msix vectors */ |
| 1832 | /* queue 0 uses two msix vectors */ |
| 1833 | if (ql2xmultique_tag) { |
| 1834 | cpus = num_online_cpus(); |
| 1835 | ha->max_rsp_queues = (ha->msix_count - 1 > cpus) ? |
| 1836 | (cpus + 1) : (ha->msix_count - 1); |
| 1837 | ha->max_req_queues = 2; |
| 1838 | } else if (ql2xmaxqueues > 1) { |
| 1839 | ha->max_req_queues = ql2xmaxqueues > QLA_MQ_SIZE ? |
| 1840 | QLA_MQ_SIZE : ql2xmaxqueues; |
| 1841 | DEBUG2(qla_printk(KERN_INFO, ha, "QoS mode set, max no" |
| 1842 | " of request queues:%d\n", ha->max_req_queues)); |
| 1843 | } |
| 1844 | qla_printk(KERN_INFO, ha, |
| 1845 | "MSI-X vector count: %d\n", msix); |
| 1846 | } else |
| 1847 | qla_printk(KERN_INFO, ha, "BAR 3 not enabled\n"); |
| 1848 | |
| 1849 | mqiobase_exit: |
| 1850 | ha->msix_count = ha->max_rsp_queues + 1; |
| 1851 | return (0); |
| 1852 | |
| 1853 | iospace_error_exit: |
| 1854 | return (-ENOMEM); |
| 1855 | } |
| 1856 | |
| 1857 | static void |
| 1858 | qla2xxx_scan_start(struct Scsi_Host *shost) |
| 1859 | { |
| 1860 | scsi_qla_host_t *vha = shost_priv(shost); |
| 1861 | |
| 1862 | if (vha->hw->flags.running_gold_fw) |
| 1863 | return; |
| 1864 | |
| 1865 | set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); |
| 1866 | set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags); |
| 1867 | set_bit(RSCN_UPDATE, &vha->dpc_flags); |
| 1868 | set_bit(NPIV_CONFIG_NEEDED, &vha->dpc_flags); |
| 1869 | } |
| 1870 | |
| 1871 | static int |
| 1872 | qla2xxx_scan_finished(struct Scsi_Host *shost, unsigned long time) |
| 1873 | { |
| 1874 | scsi_qla_host_t *vha = shost_priv(shost); |
| 1875 | |
| 1876 | if (!vha->host) |
| 1877 | return 1; |
| 1878 | if (time > vha->hw->loop_reset_delay * HZ) |
| 1879 | return 1; |
| 1880 | |
| 1881 | return atomic_read(&vha->loop_state) == LOOP_READY; |
| 1882 | } |
| 1883 | |
| 1884 | /* |
| 1885 | * PCI driver interface |
| 1886 | */ |
| 1887 | static int __devinit |
| 1888 | qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id) |
| 1889 | { |
| 1890 | int ret = -ENODEV; |
| 1891 | struct Scsi_Host *host; |
| 1892 | scsi_qla_host_t *base_vha = NULL; |
| 1893 | struct qla_hw_data *ha; |
| 1894 | char pci_info[30]; |
| 1895 | char fw_str[30]; |
| 1896 | struct scsi_host_template *sht; |
| 1897 | int bars, max_id, mem_only = 0; |
| 1898 | uint16_t req_length = 0, rsp_length = 0; |
| 1899 | struct req_que *req = NULL; |
| 1900 | struct rsp_que *rsp = NULL; |
| 1901 | |
| 1902 | bars = pci_select_bars(pdev, IORESOURCE_MEM | IORESOURCE_IO); |
| 1903 | sht = &qla2xxx_driver_template; |
| 1904 | if (pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2422 || |
| 1905 | pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2432 || |
| 1906 | pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8432 || |
| 1907 | pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5422 || |
| 1908 | pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5432 || |
| 1909 | pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2532 || |
| 1910 | pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8001 || |
| 1911 | pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8021) { |
| 1912 | bars = pci_select_bars(pdev, IORESOURCE_MEM); |
| 1913 | mem_only = 1; |
| 1914 | } |
| 1915 | |
| 1916 | if (mem_only) { |
| 1917 | if (pci_enable_device_mem(pdev)) |
| 1918 | goto probe_out; |
| 1919 | } else { |
| 1920 | if (pci_enable_device(pdev)) |
| 1921 | goto probe_out; |
| 1922 | } |
| 1923 | |
| 1924 | /* This may fail but that's ok */ |
| 1925 | pci_enable_pcie_error_reporting(pdev); |
| 1926 | |
| 1927 | ha = kzalloc(sizeof(struct qla_hw_data), GFP_KERNEL); |
| 1928 | if (!ha) { |
| 1929 | DEBUG(printk("Unable to allocate memory for ha\n")); |
| 1930 | goto probe_out; |
| 1931 | } |
| 1932 | ha->pdev = pdev; |
| 1933 | |
| 1934 | /* Clear our data area */ |
| 1935 | ha->bars = bars; |
| 1936 | ha->mem_only = mem_only; |
| 1937 | spin_lock_init(&ha->hardware_lock); |
| 1938 | spin_lock_init(&ha->vport_slock); |
| 1939 | |
| 1940 | /* Set ISP-type information. */ |
| 1941 | qla2x00_set_isp_flags(ha); |
| 1942 | |
| 1943 | /* Set EEH reset type to fundamental if required by hba */ |
| 1944 | if ( IS_QLA24XX(ha) || IS_QLA25XX(ha) || IS_QLA81XX(ha)) { |
| 1945 | pdev->needs_freset = 1; |
| 1946 | } |
| 1947 | |
| 1948 | /* Configure PCI I/O space */ |
| 1949 | ret = qla2x00_iospace_config(ha); |
| 1950 | if (ret) |
| 1951 | goto probe_hw_failed; |
| 1952 | |
| 1953 | qla_printk(KERN_INFO, ha, |
| 1954 | "Found an ISP%04X, irq %d, iobase 0x%p\n", pdev->device, pdev->irq, |
| 1955 | ha->iobase); |
| 1956 | |
| 1957 | ha->prev_topology = 0; |
| 1958 | ha->init_cb_size = sizeof(init_cb_t); |
| 1959 | ha->link_data_rate = PORT_SPEED_UNKNOWN; |
| 1960 | ha->optrom_size = OPTROM_SIZE_2300; |
| 1961 | |
| 1962 | /* Assign ISP specific operations. */ |
| 1963 | max_id = MAX_TARGETS_2200; |
| 1964 | if (IS_QLA2100(ha)) { |
| 1965 | max_id = MAX_TARGETS_2100; |
| 1966 | ha->mbx_count = MAILBOX_REGISTER_COUNT_2100; |
| 1967 | req_length = REQUEST_ENTRY_CNT_2100; |
| 1968 | rsp_length = RESPONSE_ENTRY_CNT_2100; |
| 1969 | ha->max_loop_id = SNS_LAST_LOOP_ID_2100; |
| 1970 | ha->gid_list_info_size = 4; |
| 1971 | ha->flash_conf_off = ~0; |
| 1972 | ha->flash_data_off = ~0; |
| 1973 | ha->nvram_conf_off = ~0; |
| 1974 | ha->nvram_data_off = ~0; |
| 1975 | ha->isp_ops = &qla2100_isp_ops; |
| 1976 | } else if (IS_QLA2200(ha)) { |
| 1977 | ha->mbx_count = MAILBOX_REGISTER_COUNT; |
| 1978 | req_length = REQUEST_ENTRY_CNT_2200; |
| 1979 | rsp_length = RESPONSE_ENTRY_CNT_2100; |
| 1980 | ha->max_loop_id = SNS_LAST_LOOP_ID_2100; |
| 1981 | ha->gid_list_info_size = 4; |
| 1982 | ha->flash_conf_off = ~0; |
| 1983 | ha->flash_data_off = ~0; |
| 1984 | ha->nvram_conf_off = ~0; |
| 1985 | ha->nvram_data_off = ~0; |
| 1986 | ha->isp_ops = &qla2100_isp_ops; |
| 1987 | } else if (IS_QLA23XX(ha)) { |
| 1988 | ha->mbx_count = MAILBOX_REGISTER_COUNT; |
| 1989 | req_length = REQUEST_ENTRY_CNT_2200; |
| 1990 | rsp_length = RESPONSE_ENTRY_CNT_2300; |
| 1991 | ha->max_loop_id = SNS_LAST_LOOP_ID_2300; |
| 1992 | ha->gid_list_info_size = 6; |
| 1993 | if (IS_QLA2322(ha) || IS_QLA6322(ha)) |
| 1994 | ha->optrom_size = OPTROM_SIZE_2322; |
| 1995 | ha->flash_conf_off = ~0; |
| 1996 | ha->flash_data_off = ~0; |
| 1997 | ha->nvram_conf_off = ~0; |
| 1998 | ha->nvram_data_off = ~0; |
| 1999 | ha->isp_ops = &qla2300_isp_ops; |
| 2000 | } else if (IS_QLA24XX_TYPE(ha)) { |
| 2001 | ha->mbx_count = MAILBOX_REGISTER_COUNT; |
| 2002 | req_length = REQUEST_ENTRY_CNT_24XX; |
| 2003 | rsp_length = RESPONSE_ENTRY_CNT_2300; |
| 2004 | ha->max_loop_id = SNS_LAST_LOOP_ID_2300; |
| 2005 | ha->init_cb_size = sizeof(struct mid_init_cb_24xx); |
| 2006 | ha->gid_list_info_size = 8; |
| 2007 | ha->optrom_size = OPTROM_SIZE_24XX; |
| 2008 | ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA24XX; |
| 2009 | ha->isp_ops = &qla24xx_isp_ops; |
| 2010 | ha->flash_conf_off = FARX_ACCESS_FLASH_CONF; |
| 2011 | ha->flash_data_off = FARX_ACCESS_FLASH_DATA; |
| 2012 | ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF; |
| 2013 | ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA; |
| 2014 | } else if (IS_QLA25XX(ha)) { |
| 2015 | ha->mbx_count = MAILBOX_REGISTER_COUNT; |
| 2016 | req_length = REQUEST_ENTRY_CNT_24XX; |
| 2017 | rsp_length = RESPONSE_ENTRY_CNT_2300; |
| 2018 | ha->max_loop_id = SNS_LAST_LOOP_ID_2300; |
| 2019 | ha->init_cb_size = sizeof(struct mid_init_cb_24xx); |
| 2020 | ha->gid_list_info_size = 8; |
| 2021 | ha->optrom_size = OPTROM_SIZE_25XX; |
| 2022 | ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX; |
| 2023 | ha->isp_ops = &qla25xx_isp_ops; |
| 2024 | ha->flash_conf_off = FARX_ACCESS_FLASH_CONF; |
| 2025 | ha->flash_data_off = FARX_ACCESS_FLASH_DATA; |
| 2026 | ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF; |
| 2027 | ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA; |
| 2028 | } else if (IS_QLA81XX(ha)) { |
| 2029 | ha->mbx_count = MAILBOX_REGISTER_COUNT; |
| 2030 | req_length = REQUEST_ENTRY_CNT_24XX; |
| 2031 | rsp_length = RESPONSE_ENTRY_CNT_2300; |
| 2032 | ha->max_loop_id = SNS_LAST_LOOP_ID_2300; |
| 2033 | ha->init_cb_size = sizeof(struct mid_init_cb_81xx); |
| 2034 | ha->gid_list_info_size = 8; |
| 2035 | ha->optrom_size = OPTROM_SIZE_81XX; |
| 2036 | ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX; |
| 2037 | ha->isp_ops = &qla81xx_isp_ops; |
| 2038 | ha->flash_conf_off = FARX_ACCESS_FLASH_CONF_81XX; |
| 2039 | ha->flash_data_off = FARX_ACCESS_FLASH_DATA_81XX; |
| 2040 | ha->nvram_conf_off = ~0; |
| 2041 | ha->nvram_data_off = ~0; |
| 2042 | } else if (IS_QLA82XX(ha)) { |
| 2043 | ha->mbx_count = MAILBOX_REGISTER_COUNT; |
| 2044 | req_length = REQUEST_ENTRY_CNT_82XX; |
| 2045 | rsp_length = RESPONSE_ENTRY_CNT_82XX; |
| 2046 | ha->max_loop_id = SNS_LAST_LOOP_ID_2300; |
| 2047 | ha->init_cb_size = sizeof(struct mid_init_cb_81xx); |
| 2048 | ha->gid_list_info_size = 8; |
| 2049 | ha->optrom_size = OPTROM_SIZE_82XX; |
| 2050 | ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX; |
| 2051 | ha->isp_ops = &qla82xx_isp_ops; |
| 2052 | ha->flash_conf_off = FARX_ACCESS_FLASH_CONF; |
| 2053 | ha->flash_data_off = FARX_ACCESS_FLASH_DATA; |
| 2054 | ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF; |
| 2055 | ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA; |
| 2056 | } |
| 2057 | |
| 2058 | mutex_init(&ha->vport_lock); |
| 2059 | init_completion(&ha->mbx_cmd_comp); |
| 2060 | complete(&ha->mbx_cmd_comp); |
| 2061 | init_completion(&ha->mbx_intr_comp); |
| 2062 | init_completion(&ha->dcbx_comp); |
| 2063 | |
| 2064 | set_bit(0, (unsigned long *) ha->vp_idx_map); |
| 2065 | |
| 2066 | qla2x00_config_dma_addressing(ha); |
| 2067 | ret = qla2x00_mem_alloc(ha, req_length, rsp_length, &req, &rsp); |
| 2068 | if (!ret) { |
| 2069 | qla_printk(KERN_WARNING, ha, |
| 2070 | "[ERROR] Failed to allocate memory for adapter\n"); |
| 2071 | |
| 2072 | goto probe_hw_failed; |
| 2073 | } |
| 2074 | |
| 2075 | req->max_q_depth = MAX_Q_DEPTH; |
| 2076 | if (ql2xmaxqdepth != 0 && ql2xmaxqdepth <= 0xffffU) |
| 2077 | req->max_q_depth = ql2xmaxqdepth; |
| 2078 | |
| 2079 | |
| 2080 | base_vha = qla2x00_create_host(sht, ha); |
| 2081 | if (!base_vha) { |
| 2082 | qla_printk(KERN_WARNING, ha, |
| 2083 | "[ERROR] Failed to allocate memory for scsi_host\n"); |
| 2084 | |
| 2085 | ret = -ENOMEM; |
| 2086 | qla2x00_mem_free(ha); |
| 2087 | qla2x00_free_req_que(ha, req); |
| 2088 | qla2x00_free_rsp_que(ha, rsp); |
| 2089 | goto probe_hw_failed; |
| 2090 | } |
| 2091 | |
| 2092 | pci_set_drvdata(pdev, base_vha); |
| 2093 | |
| 2094 | host = base_vha->host; |
| 2095 | base_vha->req = req; |
| 2096 | host->can_queue = req->length + 128; |
| 2097 | if (IS_QLA2XXX_MIDTYPE(ha)) |
| 2098 | base_vha->mgmt_svr_loop_id = 10 + base_vha->vp_idx; |
| 2099 | else |
| 2100 | base_vha->mgmt_svr_loop_id = MANAGEMENT_SERVER + |
| 2101 | base_vha->vp_idx; |
| 2102 | |
| 2103 | /* Set the SG table size based on ISP type */ |
| 2104 | if (!IS_FWI2_CAPABLE(ha)) { |
| 2105 | if (IS_QLA2100(ha)) |
| 2106 | host->sg_tablesize = 32; |
| 2107 | } else { |
| 2108 | if (!IS_QLA82XX(ha)) |
| 2109 | host->sg_tablesize = QLA_SG_ALL; |
| 2110 | } |
| 2111 | |
| 2112 | host->max_id = max_id; |
| 2113 | host->this_id = 255; |
| 2114 | host->cmd_per_lun = 3; |
| 2115 | host->unique_id = host->host_no; |
| 2116 | if ((IS_QLA25XX(ha) || IS_QLA81XX(ha)) && ql2xenabledif) |
| 2117 | host->max_cmd_len = 32; |
| 2118 | else |
| 2119 | host->max_cmd_len = MAX_CMDSZ; |
| 2120 | host->max_channel = MAX_BUSES - 1; |
| 2121 | host->max_lun = MAX_LUNS; |
| 2122 | host->transportt = qla2xxx_transport_template; |
| 2123 | sht->vendor_id = (SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_QLOGIC); |
| 2124 | |
| 2125 | /* Set up the irqs */ |
| 2126 | ret = qla2x00_request_irqs(ha, rsp); |
| 2127 | if (ret) |
| 2128 | goto probe_init_failed; |
| 2129 | |
| 2130 | pci_save_state(pdev); |
| 2131 | |
| 2132 | /* Alloc arrays of request and response ring ptrs */ |
| 2133 | que_init: |
| 2134 | if (!qla2x00_alloc_queues(ha)) { |
| 2135 | qla_printk(KERN_WARNING, ha, |
| 2136 | "[ERROR] Failed to allocate memory for queue" |
| 2137 | " pointers\n"); |
| 2138 | goto probe_init_failed; |
| 2139 | } |
| 2140 | |
| 2141 | ha->rsp_q_map[0] = rsp; |
| 2142 | ha->req_q_map[0] = req; |
| 2143 | rsp->req = req; |
| 2144 | req->rsp = rsp; |
| 2145 | set_bit(0, ha->req_qid_map); |
| 2146 | set_bit(0, ha->rsp_qid_map); |
| 2147 | /* FWI2-capable only. */ |
| 2148 | req->req_q_in = &ha->iobase->isp24.req_q_in; |
| 2149 | req->req_q_out = &ha->iobase->isp24.req_q_out; |
| 2150 | rsp->rsp_q_in = &ha->iobase->isp24.rsp_q_in; |
| 2151 | rsp->rsp_q_out = &ha->iobase->isp24.rsp_q_out; |
| 2152 | if (ha->mqenable) { |
| 2153 | req->req_q_in = &ha->mqiobase->isp25mq.req_q_in; |
| 2154 | req->req_q_out = &ha->mqiobase->isp25mq.req_q_out; |
| 2155 | rsp->rsp_q_in = &ha->mqiobase->isp25mq.rsp_q_in; |
| 2156 | rsp->rsp_q_out = &ha->mqiobase->isp25mq.rsp_q_out; |
| 2157 | } |
| 2158 | |
| 2159 | if (IS_QLA82XX(ha)) { |
| 2160 | req->req_q_out = &ha->iobase->isp82.req_q_out[0]; |
| 2161 | rsp->rsp_q_in = &ha->iobase->isp82.rsp_q_in[0]; |
| 2162 | rsp->rsp_q_out = &ha->iobase->isp82.rsp_q_out[0]; |
| 2163 | } |
| 2164 | |
| 2165 | if (qla2x00_initialize_adapter(base_vha)) { |
| 2166 | qla_printk(KERN_WARNING, ha, |
| 2167 | "Failed to initialize adapter\n"); |
| 2168 | |
| 2169 | DEBUG2(printk("scsi(%ld): Failed to initialize adapter - " |
| 2170 | "Adapter flags %x.\n", |
| 2171 | base_vha->host_no, base_vha->device_flags)); |
| 2172 | |
| 2173 | if (IS_QLA82XX(ha)) { |
| 2174 | qla82xx_idc_lock(ha); |
| 2175 | qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE, |
| 2176 | QLA82XX_DEV_FAILED); |
| 2177 | qla82xx_idc_unlock(ha); |
| 2178 | qla_printk(KERN_INFO, ha, "HW State: FAILED\n"); |
| 2179 | } |
| 2180 | |
| 2181 | ret = -ENODEV; |
| 2182 | goto probe_failed; |
| 2183 | } |
| 2184 | |
| 2185 | if (ha->mqenable) { |
| 2186 | if (qla25xx_setup_mode(base_vha)) { |
| 2187 | qla_printk(KERN_WARNING, ha, |
| 2188 | "Can't create queues, falling back to single" |
| 2189 | " queue mode\n"); |
| 2190 | goto que_init; |
| 2191 | } |
| 2192 | } |
| 2193 | |
| 2194 | if (ha->flags.running_gold_fw) |
| 2195 | goto skip_dpc; |
| 2196 | |
| 2197 | /* |
| 2198 | * Startup the kernel thread for this host adapter |
| 2199 | */ |
| 2200 | ha->dpc_thread = kthread_create(qla2x00_do_dpc, ha, |
| 2201 | "%s_dpc", base_vha->host_str); |
| 2202 | if (IS_ERR(ha->dpc_thread)) { |
| 2203 | qla_printk(KERN_WARNING, ha, |
| 2204 | "Unable to start DPC thread!\n"); |
| 2205 | ret = PTR_ERR(ha->dpc_thread); |
| 2206 | goto probe_failed; |
| 2207 | } |
| 2208 | |
| 2209 | skip_dpc: |
| 2210 | list_add_tail(&base_vha->list, &ha->vp_list); |
| 2211 | base_vha->host->irq = ha->pdev->irq; |
| 2212 | |
| 2213 | /* Initialized the timer */ |
| 2214 | qla2x00_start_timer(base_vha, qla2x00_timer, WATCH_INTERVAL); |
| 2215 | |
| 2216 | DEBUG2(printk("DEBUG: detect hba %ld at address = %p\n", |
| 2217 | base_vha->host_no, ha)); |
| 2218 | |
| 2219 | if ((IS_QLA25XX(ha) || IS_QLA81XX(ha)) && ql2xenabledif) { |
| 2220 | if (ha->fw_attributes & BIT_4) { |
| 2221 | base_vha->flags.difdix_supported = 1; |
| 2222 | DEBUG18(qla_printk(KERN_INFO, ha, |
| 2223 | "Registering for DIF/DIX type 1 and 3" |
| 2224 | " protection.\n")); |
| 2225 | scsi_host_set_prot(host, |
| 2226 | SHOST_DIF_TYPE1_PROTECTION |
| 2227 | | SHOST_DIF_TYPE2_PROTECTION |
| 2228 | | SHOST_DIF_TYPE3_PROTECTION |
| 2229 | | SHOST_DIX_TYPE1_PROTECTION |
| 2230 | | SHOST_DIX_TYPE2_PROTECTION |
| 2231 | | SHOST_DIX_TYPE3_PROTECTION); |
| 2232 | scsi_host_set_guard(host, SHOST_DIX_GUARD_CRC); |
| 2233 | } else |
| 2234 | base_vha->flags.difdix_supported = 0; |
| 2235 | } |
| 2236 | |
| 2237 | ha->isp_ops->enable_intrs(ha); |
| 2238 | |
| 2239 | ret = scsi_add_host(host, &pdev->dev); |
| 2240 | if (ret) |
| 2241 | goto probe_failed; |
| 2242 | |
| 2243 | base_vha->flags.init_done = 1; |
| 2244 | base_vha->flags.online = 1; |
| 2245 | |
| 2246 | scsi_scan_host(host); |
| 2247 | |
| 2248 | qla2x00_alloc_sysfs_attr(base_vha); |
| 2249 | |
| 2250 | qla2x00_init_host_attr(base_vha); |
| 2251 | |
| 2252 | qla2x00_dfs_setup(base_vha); |
| 2253 | |
| 2254 | qla_printk(KERN_INFO, ha, "\n" |
| 2255 | " QLogic Fibre Channel HBA Driver: %s\n" |
| 2256 | " QLogic %s - %s\n" |
| 2257 | " ISP%04X: %s @ %s hdma%c, host#=%ld, fw=%s\n", |
| 2258 | qla2x00_version_str, ha->model_number, |
| 2259 | ha->model_desc ? ha->model_desc : "", pdev->device, |
| 2260 | ha->isp_ops->pci_info_str(base_vha, pci_info), pci_name(pdev), |
| 2261 | ha->flags.enable_64bit_addressing ? '+' : '-', base_vha->host_no, |
| 2262 | ha->isp_ops->fw_version_str(base_vha, fw_str)); |
| 2263 | |
| 2264 | return 0; |
| 2265 | |
| 2266 | probe_init_failed: |
| 2267 | qla2x00_free_req_que(ha, req); |
| 2268 | qla2x00_free_rsp_que(ha, rsp); |
| 2269 | ha->max_req_queues = ha->max_rsp_queues = 0; |
| 2270 | |
| 2271 | probe_failed: |
| 2272 | if (base_vha->timer_active) |
| 2273 | qla2x00_stop_timer(base_vha); |
| 2274 | base_vha->flags.online = 0; |
| 2275 | if (ha->dpc_thread) { |
| 2276 | struct task_struct *t = ha->dpc_thread; |
| 2277 | |
| 2278 | ha->dpc_thread = NULL; |
| 2279 | kthread_stop(t); |
| 2280 | } |
| 2281 | |
| 2282 | qla2x00_free_device(base_vha); |
| 2283 | |
| 2284 | scsi_host_put(base_vha->host); |
| 2285 | |
| 2286 | probe_hw_failed: |
| 2287 | if (IS_QLA82XX(ha)) { |
| 2288 | qla82xx_idc_lock(ha); |
| 2289 | qla82xx_clear_drv_active(ha); |
| 2290 | qla82xx_idc_unlock(ha); |
| 2291 | iounmap((device_reg_t __iomem *)ha->nx_pcibase); |
| 2292 | if (!ql2xdbwr) |
| 2293 | iounmap((device_reg_t __iomem *)ha->nxdb_wr_ptr); |
| 2294 | } else { |
| 2295 | if (ha->iobase) |
| 2296 | iounmap(ha->iobase); |
| 2297 | } |
| 2298 | pci_release_selected_regions(ha->pdev, ha->bars); |
| 2299 | kfree(ha); |
| 2300 | ha = NULL; |
| 2301 | |
| 2302 | probe_out: |
| 2303 | pci_disable_device(pdev); |
| 2304 | return ret; |
| 2305 | } |
| 2306 | |
| 2307 | static void |
| 2308 | qla2x00_shutdown(struct pci_dev *pdev) |
| 2309 | { |
| 2310 | scsi_qla_host_t *vha; |
| 2311 | struct qla_hw_data *ha; |
| 2312 | |
| 2313 | vha = pci_get_drvdata(pdev); |
| 2314 | ha = vha->hw; |
| 2315 | |
| 2316 | /* Turn-off FCE trace */ |
| 2317 | if (ha->flags.fce_enabled) { |
| 2318 | qla2x00_disable_fce_trace(vha, NULL, NULL); |
| 2319 | ha->flags.fce_enabled = 0; |
| 2320 | } |
| 2321 | |
| 2322 | /* Turn-off EFT trace */ |
| 2323 | if (ha->eft) |
| 2324 | qla2x00_disable_eft_trace(vha); |
| 2325 | |
| 2326 | /* Stop currently executing firmware. */ |
| 2327 | qla2x00_try_to_stop_firmware(vha); |
| 2328 | |
| 2329 | /* Turn adapter off line */ |
| 2330 | vha->flags.online = 0; |
| 2331 | |
| 2332 | /* turn-off interrupts on the card */ |
| 2333 | if (ha->interrupts_on) { |
| 2334 | vha->flags.init_done = 0; |
| 2335 | ha->isp_ops->disable_intrs(ha); |
| 2336 | } |
| 2337 | |
| 2338 | qla2x00_free_irqs(vha); |
| 2339 | |
| 2340 | qla2x00_free_fw_dump(ha); |
| 2341 | } |
| 2342 | |
| 2343 | static void |
| 2344 | qla2x00_remove_one(struct pci_dev *pdev) |
| 2345 | { |
| 2346 | scsi_qla_host_t *base_vha, *vha; |
| 2347 | struct qla_hw_data *ha; |
| 2348 | unsigned long flags; |
| 2349 | |
| 2350 | base_vha = pci_get_drvdata(pdev); |
| 2351 | ha = base_vha->hw; |
| 2352 | |
| 2353 | spin_lock_irqsave(&ha->vport_slock, flags); |
| 2354 | list_for_each_entry(vha, &ha->vp_list, list) { |
| 2355 | atomic_inc(&vha->vref_count); |
| 2356 | |
| 2357 | if (vha->fc_vport) { |
| 2358 | spin_unlock_irqrestore(&ha->vport_slock, flags); |
| 2359 | |
| 2360 | fc_vport_terminate(vha->fc_vport); |
| 2361 | |
| 2362 | spin_lock_irqsave(&ha->vport_slock, flags); |
| 2363 | } |
| 2364 | |
| 2365 | atomic_dec(&vha->vref_count); |
| 2366 | } |
| 2367 | spin_unlock_irqrestore(&ha->vport_slock, flags); |
| 2368 | |
| 2369 | set_bit(UNLOADING, &base_vha->dpc_flags); |
| 2370 | |
| 2371 | qla2x00_abort_all_cmds(base_vha, DID_NO_CONNECT << 16); |
| 2372 | |
| 2373 | qla2x00_dfs_remove(base_vha); |
| 2374 | |
| 2375 | qla84xx_put_chip(base_vha); |
| 2376 | |
| 2377 | /* Disable timer */ |
| 2378 | if (base_vha->timer_active) |
| 2379 | qla2x00_stop_timer(base_vha); |
| 2380 | |
| 2381 | base_vha->flags.online = 0; |
| 2382 | |
| 2383 | /* Flush the work queue and remove it */ |
| 2384 | if (ha->wq) { |
| 2385 | flush_workqueue(ha->wq); |
| 2386 | destroy_workqueue(ha->wq); |
| 2387 | ha->wq = NULL; |
| 2388 | } |
| 2389 | |
| 2390 | /* Kill the kernel thread for this host */ |
| 2391 | if (ha->dpc_thread) { |
| 2392 | struct task_struct *t = ha->dpc_thread; |
| 2393 | |
| 2394 | /* |
| 2395 | * qla2xxx_wake_dpc checks for ->dpc_thread |
| 2396 | * so we need to zero it out. |
| 2397 | */ |
| 2398 | ha->dpc_thread = NULL; |
| 2399 | kthread_stop(t); |
| 2400 | } |
| 2401 | |
| 2402 | qla2x00_free_sysfs_attr(base_vha); |
| 2403 | |
| 2404 | fc_remove_host(base_vha->host); |
| 2405 | |
| 2406 | scsi_remove_host(base_vha->host); |
| 2407 | |
| 2408 | qla2x00_free_device(base_vha); |
| 2409 | |
| 2410 | scsi_host_put(base_vha->host); |
| 2411 | |
| 2412 | if (IS_QLA82XX(ha)) { |
| 2413 | qla82xx_idc_lock(ha); |
| 2414 | qla82xx_clear_drv_active(ha); |
| 2415 | qla82xx_idc_unlock(ha); |
| 2416 | |
| 2417 | iounmap((device_reg_t __iomem *)ha->nx_pcibase); |
| 2418 | if (!ql2xdbwr) |
| 2419 | iounmap((device_reg_t __iomem *)ha->nxdb_wr_ptr); |
| 2420 | } else { |
| 2421 | if (ha->iobase) |
| 2422 | iounmap(ha->iobase); |
| 2423 | |
| 2424 | if (ha->mqiobase) |
| 2425 | iounmap(ha->mqiobase); |
| 2426 | } |
| 2427 | |
| 2428 | pci_release_selected_regions(ha->pdev, ha->bars); |
| 2429 | kfree(ha); |
| 2430 | ha = NULL; |
| 2431 | |
| 2432 | pci_disable_pcie_error_reporting(pdev); |
| 2433 | |
| 2434 | pci_disable_device(pdev); |
| 2435 | pci_set_drvdata(pdev, NULL); |
| 2436 | } |
| 2437 | |
| 2438 | static void |
| 2439 | qla2x00_free_device(scsi_qla_host_t *vha) |
| 2440 | { |
| 2441 | struct qla_hw_data *ha = vha->hw; |
| 2442 | |
| 2443 | qla2x00_abort_all_cmds(vha, DID_NO_CONNECT << 16); |
| 2444 | |
| 2445 | /* Disable timer */ |
| 2446 | if (vha->timer_active) |
| 2447 | qla2x00_stop_timer(vha); |
| 2448 | |
| 2449 | /* Kill the kernel thread for this host */ |
| 2450 | if (ha->dpc_thread) { |
| 2451 | struct task_struct *t = ha->dpc_thread; |
| 2452 | |
| 2453 | /* |
| 2454 | * qla2xxx_wake_dpc checks for ->dpc_thread |
| 2455 | * so we need to zero it out. |
| 2456 | */ |
| 2457 | ha->dpc_thread = NULL; |
| 2458 | kthread_stop(t); |
| 2459 | } |
| 2460 | |
| 2461 | qla25xx_delete_queues(vha); |
| 2462 | |
| 2463 | if (ha->flags.fce_enabled) |
| 2464 | qla2x00_disable_fce_trace(vha, NULL, NULL); |
| 2465 | |
| 2466 | if (ha->eft) |
| 2467 | qla2x00_disable_eft_trace(vha); |
| 2468 | |
| 2469 | /* Stop currently executing firmware. */ |
| 2470 | qla2x00_try_to_stop_firmware(vha); |
| 2471 | |
| 2472 | vha->flags.online = 0; |
| 2473 | |
| 2474 | /* turn-off interrupts on the card */ |
| 2475 | if (ha->interrupts_on) { |
| 2476 | vha->flags.init_done = 0; |
| 2477 | ha->isp_ops->disable_intrs(ha); |
| 2478 | } |
| 2479 | |
| 2480 | qla2x00_free_irqs(vha); |
| 2481 | |
| 2482 | qla2x00_free_fcports(vha); |
| 2483 | |
| 2484 | qla2x00_mem_free(ha); |
| 2485 | |
| 2486 | qla2x00_free_queues(ha); |
| 2487 | } |
| 2488 | |
| 2489 | void qla2x00_free_fcports(struct scsi_qla_host *vha) |
| 2490 | { |
| 2491 | fc_port_t *fcport, *tfcport; |
| 2492 | |
| 2493 | list_for_each_entry_safe(fcport, tfcport, &vha->vp_fcports, list) { |
| 2494 | list_del(&fcport->list); |
| 2495 | kfree(fcport); |
| 2496 | fcport = NULL; |
| 2497 | } |
| 2498 | } |
| 2499 | |
| 2500 | static inline void |
| 2501 | qla2x00_schedule_rport_del(struct scsi_qla_host *vha, fc_port_t *fcport, |
| 2502 | int defer) |
| 2503 | { |
| 2504 | struct fc_rport *rport; |
| 2505 | scsi_qla_host_t *base_vha; |
| 2506 | |
| 2507 | if (!fcport->rport) |
| 2508 | return; |
| 2509 | |
| 2510 | rport = fcport->rport; |
| 2511 | if (defer) { |
| 2512 | base_vha = pci_get_drvdata(vha->hw->pdev); |
| 2513 | spin_lock_irq(vha->host->host_lock); |
| 2514 | fcport->drport = rport; |
| 2515 | spin_unlock_irq(vha->host->host_lock); |
| 2516 | set_bit(FCPORT_UPDATE_NEEDED, &base_vha->dpc_flags); |
| 2517 | qla2xxx_wake_dpc(base_vha); |
| 2518 | } else |
| 2519 | fc_remote_port_delete(rport); |
| 2520 | } |
| 2521 | |
| 2522 | /* |
| 2523 | * qla2x00_mark_device_lost Updates fcport state when device goes offline. |
| 2524 | * |
| 2525 | * Input: ha = adapter block pointer. fcport = port structure pointer. |
| 2526 | * |
| 2527 | * Return: None. |
| 2528 | * |
| 2529 | * Context: |
| 2530 | */ |
| 2531 | void qla2x00_mark_device_lost(scsi_qla_host_t *vha, fc_port_t *fcport, |
| 2532 | int do_login, int defer) |
| 2533 | { |
| 2534 | if (atomic_read(&fcport->state) == FCS_ONLINE && |
| 2535 | vha->vp_idx == fcport->vp_idx) { |
| 2536 | atomic_set(&fcport->state, FCS_DEVICE_LOST); |
| 2537 | qla2x00_schedule_rport_del(vha, fcport, defer); |
| 2538 | } |
| 2539 | /* |
| 2540 | * We may need to retry the login, so don't change the state of the |
| 2541 | * port but do the retries. |
| 2542 | */ |
| 2543 | if (atomic_read(&fcport->state) != FCS_DEVICE_DEAD) |
| 2544 | atomic_set(&fcport->state, FCS_DEVICE_LOST); |
| 2545 | |
| 2546 | if (!do_login) |
| 2547 | return; |
| 2548 | |
| 2549 | if (fcport->login_retry == 0) { |
| 2550 | fcport->login_retry = vha->hw->login_retry_count; |
| 2551 | set_bit(RELOGIN_NEEDED, &vha->dpc_flags); |
| 2552 | |
| 2553 | DEBUG(printk("scsi(%ld): Port login retry: " |
| 2554 | "%02x%02x%02x%02x%02x%02x%02x%02x, " |
| 2555 | "id = 0x%04x retry cnt=%d\n", |
| 2556 | vha->host_no, |
| 2557 | fcport->port_name[0], |
| 2558 | fcport->port_name[1], |
| 2559 | fcport->port_name[2], |
| 2560 | fcport->port_name[3], |
| 2561 | fcport->port_name[4], |
| 2562 | fcport->port_name[5], |
| 2563 | fcport->port_name[6], |
| 2564 | fcport->port_name[7], |
| 2565 | fcport->loop_id, |
| 2566 | fcport->login_retry)); |
| 2567 | } |
| 2568 | } |
| 2569 | |
| 2570 | /* |
| 2571 | * qla2x00_mark_all_devices_lost |
| 2572 | * Updates fcport state when device goes offline. |
| 2573 | * |
| 2574 | * Input: |
| 2575 | * ha = adapter block pointer. |
| 2576 | * fcport = port structure pointer. |
| 2577 | * |
| 2578 | * Return: |
| 2579 | * None. |
| 2580 | * |
| 2581 | * Context: |
| 2582 | */ |
| 2583 | void |
| 2584 | qla2x00_mark_all_devices_lost(scsi_qla_host_t *vha, int defer) |
| 2585 | { |
| 2586 | fc_port_t *fcport; |
| 2587 | |
| 2588 | list_for_each_entry(fcport, &vha->vp_fcports, list) { |
| 2589 | if (vha->vp_idx != 0 && vha->vp_idx != fcport->vp_idx) |
| 2590 | continue; |
| 2591 | |
| 2592 | /* |
| 2593 | * No point in marking the device as lost, if the device is |
| 2594 | * already DEAD. |
| 2595 | */ |
| 2596 | if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD) |
| 2597 | continue; |
| 2598 | if (atomic_read(&fcport->state) == FCS_ONLINE) { |
| 2599 | atomic_set(&fcport->state, FCS_DEVICE_LOST); |
| 2600 | if (defer) |
| 2601 | qla2x00_schedule_rport_del(vha, fcport, defer); |
| 2602 | else if (vha->vp_idx == fcport->vp_idx) |
| 2603 | qla2x00_schedule_rport_del(vha, fcport, defer); |
| 2604 | } |
| 2605 | } |
| 2606 | } |
| 2607 | |
| 2608 | /* |
| 2609 | * qla2x00_mem_alloc |
| 2610 | * Allocates adapter memory. |
| 2611 | * |
| 2612 | * Returns: |
| 2613 | * 0 = success. |
| 2614 | * !0 = failure. |
| 2615 | */ |
| 2616 | static int |
| 2617 | qla2x00_mem_alloc(struct qla_hw_data *ha, uint16_t req_len, uint16_t rsp_len, |
| 2618 | struct req_que **req, struct rsp_que **rsp) |
| 2619 | { |
| 2620 | char name[16]; |
| 2621 | |
| 2622 | ha->init_cb = dma_alloc_coherent(&ha->pdev->dev, ha->init_cb_size, |
| 2623 | &ha->init_cb_dma, GFP_KERNEL); |
| 2624 | if (!ha->init_cb) |
| 2625 | goto fail; |
| 2626 | |
| 2627 | ha->gid_list = dma_alloc_coherent(&ha->pdev->dev, GID_LIST_SIZE, |
| 2628 | &ha->gid_list_dma, GFP_KERNEL); |
| 2629 | if (!ha->gid_list) |
| 2630 | goto fail_free_init_cb; |
| 2631 | |
| 2632 | ha->srb_mempool = mempool_create_slab_pool(SRB_MIN_REQ, srb_cachep); |
| 2633 | if (!ha->srb_mempool) |
| 2634 | goto fail_free_gid_list; |
| 2635 | |
| 2636 | if (IS_QLA82XX(ha)) { |
| 2637 | /* Allocate cache for CT6 Ctx. */ |
| 2638 | if (!ctx_cachep) { |
| 2639 | ctx_cachep = kmem_cache_create("qla2xxx_ctx", |
| 2640 | sizeof(struct ct6_dsd), 0, |
| 2641 | SLAB_HWCACHE_ALIGN, NULL); |
| 2642 | if (!ctx_cachep) |
| 2643 | goto fail_free_gid_list; |
| 2644 | } |
| 2645 | ha->ctx_mempool = mempool_create_slab_pool(SRB_MIN_REQ, |
| 2646 | ctx_cachep); |
| 2647 | if (!ha->ctx_mempool) |
| 2648 | goto fail_free_srb_mempool; |
| 2649 | } |
| 2650 | |
| 2651 | /* Get memory for cached NVRAM */ |
| 2652 | ha->nvram = kzalloc(MAX_NVRAM_SIZE, GFP_KERNEL); |
| 2653 | if (!ha->nvram) |
| 2654 | goto fail_free_ctx_mempool; |
| 2655 | |
| 2656 | snprintf(name, sizeof(name), "%s_%d", QLA2XXX_DRIVER_NAME, |
| 2657 | ha->pdev->device); |
| 2658 | ha->s_dma_pool = dma_pool_create(name, &ha->pdev->dev, |
| 2659 | DMA_POOL_SIZE, 8, 0); |
| 2660 | if (!ha->s_dma_pool) |
| 2661 | goto fail_free_nvram; |
| 2662 | |
| 2663 | if (IS_QLA82XX(ha) || ql2xenabledif) { |
| 2664 | ha->dl_dma_pool = dma_pool_create(name, &ha->pdev->dev, |
| 2665 | DSD_LIST_DMA_POOL_SIZE, 8, 0); |
| 2666 | if (!ha->dl_dma_pool) { |
| 2667 | qla_printk(KERN_WARNING, ha, |
| 2668 | "Memory Allocation failed - dl_dma_pool\n"); |
| 2669 | goto fail_s_dma_pool; |
| 2670 | } |
| 2671 | |
| 2672 | ha->fcp_cmnd_dma_pool = dma_pool_create(name, &ha->pdev->dev, |
| 2673 | FCP_CMND_DMA_POOL_SIZE, 8, 0); |
| 2674 | if (!ha->fcp_cmnd_dma_pool) { |
| 2675 | qla_printk(KERN_WARNING, ha, |
| 2676 | "Memory Allocation failed - fcp_cmnd_dma_pool\n"); |
| 2677 | goto fail_dl_dma_pool; |
| 2678 | } |
| 2679 | } |
| 2680 | |
| 2681 | /* Allocate memory for SNS commands */ |
| 2682 | if (IS_QLA2100(ha) || IS_QLA2200(ha)) { |
| 2683 | /* Get consistent memory allocated for SNS commands */ |
| 2684 | ha->sns_cmd = dma_alloc_coherent(&ha->pdev->dev, |
| 2685 | sizeof(struct sns_cmd_pkt), &ha->sns_cmd_dma, GFP_KERNEL); |
| 2686 | if (!ha->sns_cmd) |
| 2687 | goto fail_dma_pool; |
| 2688 | } else { |
| 2689 | /* Get consistent memory allocated for MS IOCB */ |
| 2690 | ha->ms_iocb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, |
| 2691 | &ha->ms_iocb_dma); |
| 2692 | if (!ha->ms_iocb) |
| 2693 | goto fail_dma_pool; |
| 2694 | /* Get consistent memory allocated for CT SNS commands */ |
| 2695 | ha->ct_sns = dma_alloc_coherent(&ha->pdev->dev, |
| 2696 | sizeof(struct ct_sns_pkt), &ha->ct_sns_dma, GFP_KERNEL); |
| 2697 | if (!ha->ct_sns) |
| 2698 | goto fail_free_ms_iocb; |
| 2699 | } |
| 2700 | |
| 2701 | /* Allocate memory for request ring */ |
| 2702 | *req = kzalloc(sizeof(struct req_que), GFP_KERNEL); |
| 2703 | if (!*req) { |
| 2704 | DEBUG(printk("Unable to allocate memory for req\n")); |
| 2705 | goto fail_req; |
| 2706 | } |
| 2707 | (*req)->length = req_len; |
| 2708 | (*req)->ring = dma_alloc_coherent(&ha->pdev->dev, |
| 2709 | ((*req)->length + 1) * sizeof(request_t), |
| 2710 | &(*req)->dma, GFP_KERNEL); |
| 2711 | if (!(*req)->ring) { |
| 2712 | DEBUG(printk("Unable to allocate memory for req_ring\n")); |
| 2713 | goto fail_req_ring; |
| 2714 | } |
| 2715 | /* Allocate memory for response ring */ |
| 2716 | *rsp = kzalloc(sizeof(struct rsp_que), GFP_KERNEL); |
| 2717 | if (!*rsp) { |
| 2718 | qla_printk(KERN_WARNING, ha, |
| 2719 | "Unable to allocate memory for rsp\n"); |
| 2720 | goto fail_rsp; |
| 2721 | } |
| 2722 | (*rsp)->hw = ha; |
| 2723 | (*rsp)->length = rsp_len; |
| 2724 | (*rsp)->ring = dma_alloc_coherent(&ha->pdev->dev, |
| 2725 | ((*rsp)->length + 1) * sizeof(response_t), |
| 2726 | &(*rsp)->dma, GFP_KERNEL); |
| 2727 | if (!(*rsp)->ring) { |
| 2728 | qla_printk(KERN_WARNING, ha, |
| 2729 | "Unable to allocate memory for rsp_ring\n"); |
| 2730 | goto fail_rsp_ring; |
| 2731 | } |
| 2732 | (*req)->rsp = *rsp; |
| 2733 | (*rsp)->req = *req; |
| 2734 | /* Allocate memory for NVRAM data for vports */ |
| 2735 | if (ha->nvram_npiv_size) { |
| 2736 | ha->npiv_info = kzalloc(sizeof(struct qla_npiv_entry) * |
| 2737 | ha->nvram_npiv_size, GFP_KERNEL); |
| 2738 | if (!ha->npiv_info) { |
| 2739 | qla_printk(KERN_WARNING, ha, |
| 2740 | "Unable to allocate memory for npiv info\n"); |
| 2741 | goto fail_npiv_info; |
| 2742 | } |
| 2743 | } else |
| 2744 | ha->npiv_info = NULL; |
| 2745 | |
| 2746 | /* Get consistent memory allocated for EX-INIT-CB. */ |
| 2747 | if (IS_QLA8XXX_TYPE(ha)) { |
| 2748 | ha->ex_init_cb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, |
| 2749 | &ha->ex_init_cb_dma); |
| 2750 | if (!ha->ex_init_cb) |
| 2751 | goto fail_ex_init_cb; |
| 2752 | } |
| 2753 | |
| 2754 | INIT_LIST_HEAD(&ha->gbl_dsd_list); |
| 2755 | |
| 2756 | /* Get consistent memory allocated for Async Port-Database. */ |
| 2757 | if (!IS_FWI2_CAPABLE(ha)) { |
| 2758 | ha->async_pd = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, |
| 2759 | &ha->async_pd_dma); |
| 2760 | if (!ha->async_pd) |
| 2761 | goto fail_async_pd; |
| 2762 | } |
| 2763 | |
| 2764 | INIT_LIST_HEAD(&ha->vp_list); |
| 2765 | return 1; |
| 2766 | |
| 2767 | fail_async_pd: |
| 2768 | dma_pool_free(ha->s_dma_pool, ha->ex_init_cb, ha->ex_init_cb_dma); |
| 2769 | fail_ex_init_cb: |
| 2770 | kfree(ha->npiv_info); |
| 2771 | fail_npiv_info: |
| 2772 | dma_free_coherent(&ha->pdev->dev, ((*rsp)->length + 1) * |
| 2773 | sizeof(response_t), (*rsp)->ring, (*rsp)->dma); |
| 2774 | (*rsp)->ring = NULL; |
| 2775 | (*rsp)->dma = 0; |
| 2776 | fail_rsp_ring: |
| 2777 | kfree(*rsp); |
| 2778 | fail_rsp: |
| 2779 | dma_free_coherent(&ha->pdev->dev, ((*req)->length + 1) * |
| 2780 | sizeof(request_t), (*req)->ring, (*req)->dma); |
| 2781 | (*req)->ring = NULL; |
| 2782 | (*req)->dma = 0; |
| 2783 | fail_req_ring: |
| 2784 | kfree(*req); |
| 2785 | fail_req: |
| 2786 | dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt), |
| 2787 | ha->ct_sns, ha->ct_sns_dma); |
| 2788 | ha->ct_sns = NULL; |
| 2789 | ha->ct_sns_dma = 0; |
| 2790 | fail_free_ms_iocb: |
| 2791 | dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma); |
| 2792 | ha->ms_iocb = NULL; |
| 2793 | ha->ms_iocb_dma = 0; |
| 2794 | fail_dma_pool: |
| 2795 | if (IS_QLA82XX(ha) || ql2xenabledif) { |
| 2796 | dma_pool_destroy(ha->fcp_cmnd_dma_pool); |
| 2797 | ha->fcp_cmnd_dma_pool = NULL; |
| 2798 | } |
| 2799 | fail_dl_dma_pool: |
| 2800 | if (IS_QLA82XX(ha) || ql2xenabledif) { |
| 2801 | dma_pool_destroy(ha->dl_dma_pool); |
| 2802 | ha->dl_dma_pool = NULL; |
| 2803 | } |
| 2804 | fail_s_dma_pool: |
| 2805 | dma_pool_destroy(ha->s_dma_pool); |
| 2806 | ha->s_dma_pool = NULL; |
| 2807 | fail_free_nvram: |
| 2808 | kfree(ha->nvram); |
| 2809 | ha->nvram = NULL; |
| 2810 | fail_free_ctx_mempool: |
| 2811 | mempool_destroy(ha->ctx_mempool); |
| 2812 | ha->ctx_mempool = NULL; |
| 2813 | fail_free_srb_mempool: |
| 2814 | mempool_destroy(ha->srb_mempool); |
| 2815 | ha->srb_mempool = NULL; |
| 2816 | fail_free_gid_list: |
| 2817 | dma_free_coherent(&ha->pdev->dev, GID_LIST_SIZE, ha->gid_list, |
| 2818 | ha->gid_list_dma); |
| 2819 | ha->gid_list = NULL; |
| 2820 | ha->gid_list_dma = 0; |
| 2821 | fail_free_init_cb: |
| 2822 | dma_free_coherent(&ha->pdev->dev, ha->init_cb_size, ha->init_cb, |
| 2823 | ha->init_cb_dma); |
| 2824 | ha->init_cb = NULL; |
| 2825 | ha->init_cb_dma = 0; |
| 2826 | fail: |
| 2827 | DEBUG(printk("%s: Memory allocation failure\n", __func__)); |
| 2828 | return -ENOMEM; |
| 2829 | } |
| 2830 | |
| 2831 | /* |
| 2832 | * qla2x00_free_fw_dump |
| 2833 | * Frees fw dump stuff. |
| 2834 | * |
| 2835 | * Input: |
| 2836 | * ha = adapter block pointer. |
| 2837 | */ |
| 2838 | static void |
| 2839 | qla2x00_free_fw_dump(struct qla_hw_data *ha) |
| 2840 | { |
| 2841 | if (ha->fce) |
| 2842 | dma_free_coherent(&ha->pdev->dev, FCE_SIZE, ha->fce, |
| 2843 | ha->fce_dma); |
| 2844 | |
| 2845 | if (ha->fw_dump) { |
| 2846 | if (ha->eft) |
| 2847 | dma_free_coherent(&ha->pdev->dev, |
| 2848 | ntohl(ha->fw_dump->eft_size), ha->eft, ha->eft_dma); |
| 2849 | vfree(ha->fw_dump); |
| 2850 | } |
| 2851 | ha->fce = NULL; |
| 2852 | ha->fce_dma = 0; |
| 2853 | ha->eft = NULL; |
| 2854 | ha->eft_dma = 0; |
| 2855 | ha->fw_dump = NULL; |
| 2856 | ha->fw_dumped = 0; |
| 2857 | ha->fw_dump_reading = 0; |
| 2858 | } |
| 2859 | |
| 2860 | /* |
| 2861 | * qla2x00_mem_free |
| 2862 | * Frees all adapter allocated memory. |
| 2863 | * |
| 2864 | * Input: |
| 2865 | * ha = adapter block pointer. |
| 2866 | */ |
| 2867 | static void |
| 2868 | qla2x00_mem_free(struct qla_hw_data *ha) |
| 2869 | { |
| 2870 | qla2x00_free_fw_dump(ha); |
| 2871 | |
| 2872 | if (ha->srb_mempool) |
| 2873 | mempool_destroy(ha->srb_mempool); |
| 2874 | |
| 2875 | if (ha->dcbx_tlv) |
| 2876 | dma_free_coherent(&ha->pdev->dev, DCBX_TLV_DATA_SIZE, |
| 2877 | ha->dcbx_tlv, ha->dcbx_tlv_dma); |
| 2878 | |
| 2879 | if (ha->xgmac_data) |
| 2880 | dma_free_coherent(&ha->pdev->dev, XGMAC_DATA_SIZE, |
| 2881 | ha->xgmac_data, ha->xgmac_data_dma); |
| 2882 | |
| 2883 | if (ha->sns_cmd) |
| 2884 | dma_free_coherent(&ha->pdev->dev, sizeof(struct sns_cmd_pkt), |
| 2885 | ha->sns_cmd, ha->sns_cmd_dma); |
| 2886 | |
| 2887 | if (ha->ct_sns) |
| 2888 | dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt), |
| 2889 | ha->ct_sns, ha->ct_sns_dma); |
| 2890 | |
| 2891 | if (ha->sfp_data) |
| 2892 | dma_pool_free(ha->s_dma_pool, ha->sfp_data, ha->sfp_data_dma); |
| 2893 | |
| 2894 | if (ha->edc_data) |
| 2895 | dma_pool_free(ha->s_dma_pool, ha->edc_data, ha->edc_data_dma); |
| 2896 | |
| 2897 | if (ha->ms_iocb) |
| 2898 | dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma); |
| 2899 | |
| 2900 | if (ha->ex_init_cb) |
| 2901 | dma_pool_free(ha->s_dma_pool, |
| 2902 | ha->ex_init_cb, ha->ex_init_cb_dma); |
| 2903 | |
| 2904 | if (ha->async_pd) |
| 2905 | dma_pool_free(ha->s_dma_pool, ha->async_pd, ha->async_pd_dma); |
| 2906 | |
| 2907 | if (ha->s_dma_pool) |
| 2908 | dma_pool_destroy(ha->s_dma_pool); |
| 2909 | |
| 2910 | if (ha->gid_list) |
| 2911 | dma_free_coherent(&ha->pdev->dev, GID_LIST_SIZE, ha->gid_list, |
| 2912 | ha->gid_list_dma); |
| 2913 | |
| 2914 | if (IS_QLA82XX(ha)) { |
| 2915 | if (!list_empty(&ha->gbl_dsd_list)) { |
| 2916 | struct dsd_dma *dsd_ptr, *tdsd_ptr; |
| 2917 | |
| 2918 | /* clean up allocated prev pool */ |
| 2919 | list_for_each_entry_safe(dsd_ptr, |
| 2920 | tdsd_ptr, &ha->gbl_dsd_list, list) { |
| 2921 | dma_pool_free(ha->dl_dma_pool, |
| 2922 | dsd_ptr->dsd_addr, dsd_ptr->dsd_list_dma); |
| 2923 | list_del(&dsd_ptr->list); |
| 2924 | kfree(dsd_ptr); |
| 2925 | } |
| 2926 | } |
| 2927 | } |
| 2928 | |
| 2929 | if (ha->dl_dma_pool) |
| 2930 | dma_pool_destroy(ha->dl_dma_pool); |
| 2931 | |
| 2932 | if (ha->fcp_cmnd_dma_pool) |
| 2933 | dma_pool_destroy(ha->fcp_cmnd_dma_pool); |
| 2934 | |
| 2935 | if (ha->ctx_mempool) |
| 2936 | mempool_destroy(ha->ctx_mempool); |
| 2937 | |
| 2938 | if (ha->init_cb) |
| 2939 | dma_free_coherent(&ha->pdev->dev, ha->init_cb_size, |
| 2940 | ha->init_cb, ha->init_cb_dma); |
| 2941 | vfree(ha->optrom_buffer); |
| 2942 | kfree(ha->nvram); |
| 2943 | kfree(ha->npiv_info); |
| 2944 | |
| 2945 | ha->srb_mempool = NULL; |
| 2946 | ha->ctx_mempool = NULL; |
| 2947 | ha->sns_cmd = NULL; |
| 2948 | ha->sns_cmd_dma = 0; |
| 2949 | ha->ct_sns = NULL; |
| 2950 | ha->ct_sns_dma = 0; |
| 2951 | ha->ms_iocb = NULL; |
| 2952 | ha->ms_iocb_dma = 0; |
| 2953 | ha->init_cb = NULL; |
| 2954 | ha->init_cb_dma = 0; |
| 2955 | ha->ex_init_cb = NULL; |
| 2956 | ha->ex_init_cb_dma = 0; |
| 2957 | ha->async_pd = NULL; |
| 2958 | ha->async_pd_dma = 0; |
| 2959 | |
| 2960 | ha->s_dma_pool = NULL; |
| 2961 | ha->dl_dma_pool = NULL; |
| 2962 | ha->fcp_cmnd_dma_pool = NULL; |
| 2963 | |
| 2964 | ha->gid_list = NULL; |
| 2965 | ha->gid_list_dma = 0; |
| 2966 | } |
| 2967 | |
| 2968 | struct scsi_qla_host *qla2x00_create_host(struct scsi_host_template *sht, |
| 2969 | struct qla_hw_data *ha) |
| 2970 | { |
| 2971 | struct Scsi_Host *host; |
| 2972 | struct scsi_qla_host *vha = NULL; |
| 2973 | |
| 2974 | host = scsi_host_alloc(sht, sizeof(scsi_qla_host_t)); |
| 2975 | if (host == NULL) { |
| 2976 | printk(KERN_WARNING |
| 2977 | "qla2xxx: Couldn't allocate host from scsi layer!\n"); |
| 2978 | goto fail; |
| 2979 | } |
| 2980 | |
| 2981 | /* Clear our data area */ |
| 2982 | vha = shost_priv(host); |
| 2983 | memset(vha, 0, sizeof(scsi_qla_host_t)); |
| 2984 | |
| 2985 | vha->host = host; |
| 2986 | vha->host_no = host->host_no; |
| 2987 | vha->hw = ha; |
| 2988 | |
| 2989 | INIT_LIST_HEAD(&vha->vp_fcports); |
| 2990 | INIT_LIST_HEAD(&vha->work_list); |
| 2991 | INIT_LIST_HEAD(&vha->list); |
| 2992 | |
| 2993 | spin_lock_init(&vha->work_lock); |
| 2994 | |
| 2995 | sprintf(vha->host_str, "%s_%ld", QLA2XXX_DRIVER_NAME, vha->host_no); |
| 2996 | return vha; |
| 2997 | |
| 2998 | fail: |
| 2999 | return vha; |
| 3000 | } |
| 3001 | |
| 3002 | static struct qla_work_evt * |
| 3003 | qla2x00_alloc_work(struct scsi_qla_host *vha, enum qla_work_type type) |
| 3004 | { |
| 3005 | struct qla_work_evt *e; |
| 3006 | uint8_t bail; |
| 3007 | |
| 3008 | QLA_VHA_MARK_BUSY(vha, bail); |
| 3009 | if (bail) |
| 3010 | return NULL; |
| 3011 | |
| 3012 | e = kzalloc(sizeof(struct qla_work_evt), GFP_ATOMIC); |
| 3013 | if (!e) { |
| 3014 | QLA_VHA_MARK_NOT_BUSY(vha); |
| 3015 | return NULL; |
| 3016 | } |
| 3017 | |
| 3018 | INIT_LIST_HEAD(&e->list); |
| 3019 | e->type = type; |
| 3020 | e->flags = QLA_EVT_FLAG_FREE; |
| 3021 | return e; |
| 3022 | } |
| 3023 | |
| 3024 | static int |
| 3025 | qla2x00_post_work(struct scsi_qla_host *vha, struct qla_work_evt *e) |
| 3026 | { |
| 3027 | unsigned long flags; |
| 3028 | |
| 3029 | spin_lock_irqsave(&vha->work_lock, flags); |
| 3030 | list_add_tail(&e->list, &vha->work_list); |
| 3031 | spin_unlock_irqrestore(&vha->work_lock, flags); |
| 3032 | qla2xxx_wake_dpc(vha); |
| 3033 | |
| 3034 | return QLA_SUCCESS; |
| 3035 | } |
| 3036 | |
| 3037 | int |
| 3038 | qla2x00_post_aen_work(struct scsi_qla_host *vha, enum fc_host_event_code code, |
| 3039 | u32 data) |
| 3040 | { |
| 3041 | struct qla_work_evt *e; |
| 3042 | |
| 3043 | e = qla2x00_alloc_work(vha, QLA_EVT_AEN); |
| 3044 | if (!e) |
| 3045 | return QLA_FUNCTION_FAILED; |
| 3046 | |
| 3047 | e->u.aen.code = code; |
| 3048 | e->u.aen.data = data; |
| 3049 | return qla2x00_post_work(vha, e); |
| 3050 | } |
| 3051 | |
| 3052 | int |
| 3053 | qla2x00_post_idc_ack_work(struct scsi_qla_host *vha, uint16_t *mb) |
| 3054 | { |
| 3055 | struct qla_work_evt *e; |
| 3056 | |
| 3057 | e = qla2x00_alloc_work(vha, QLA_EVT_IDC_ACK); |
| 3058 | if (!e) |
| 3059 | return QLA_FUNCTION_FAILED; |
| 3060 | |
| 3061 | memcpy(e->u.idc_ack.mb, mb, QLA_IDC_ACK_REGS * sizeof(uint16_t)); |
| 3062 | return qla2x00_post_work(vha, e); |
| 3063 | } |
| 3064 | |
| 3065 | #define qla2x00_post_async_work(name, type) \ |
| 3066 | int qla2x00_post_async_##name##_work( \ |
| 3067 | struct scsi_qla_host *vha, \ |
| 3068 | fc_port_t *fcport, uint16_t *data) \ |
| 3069 | { \ |
| 3070 | struct qla_work_evt *e; \ |
| 3071 | \ |
| 3072 | e = qla2x00_alloc_work(vha, type); \ |
| 3073 | if (!e) \ |
| 3074 | return QLA_FUNCTION_FAILED; \ |
| 3075 | \ |
| 3076 | e->u.logio.fcport = fcport; \ |
| 3077 | if (data) { \ |
| 3078 | e->u.logio.data[0] = data[0]; \ |
| 3079 | e->u.logio.data[1] = data[1]; \ |
| 3080 | } \ |
| 3081 | return qla2x00_post_work(vha, e); \ |
| 3082 | } |
| 3083 | |
| 3084 | qla2x00_post_async_work(login, QLA_EVT_ASYNC_LOGIN); |
| 3085 | qla2x00_post_async_work(login_done, QLA_EVT_ASYNC_LOGIN_DONE); |
| 3086 | qla2x00_post_async_work(logout, QLA_EVT_ASYNC_LOGOUT); |
| 3087 | qla2x00_post_async_work(logout_done, QLA_EVT_ASYNC_LOGOUT_DONE); |
| 3088 | qla2x00_post_async_work(adisc, QLA_EVT_ASYNC_ADISC); |
| 3089 | qla2x00_post_async_work(adisc_done, QLA_EVT_ASYNC_ADISC_DONE); |
| 3090 | |
| 3091 | int |
| 3092 | qla2x00_post_uevent_work(struct scsi_qla_host *vha, u32 code) |
| 3093 | { |
| 3094 | struct qla_work_evt *e; |
| 3095 | |
| 3096 | e = qla2x00_alloc_work(vha, QLA_EVT_UEVENT); |
| 3097 | if (!e) |
| 3098 | return QLA_FUNCTION_FAILED; |
| 3099 | |
| 3100 | e->u.uevent.code = code; |
| 3101 | return qla2x00_post_work(vha, e); |
| 3102 | } |
| 3103 | |
| 3104 | static void |
| 3105 | qla2x00_uevent_emit(struct scsi_qla_host *vha, u32 code) |
| 3106 | { |
| 3107 | char event_string[40]; |
| 3108 | char *envp[] = { event_string, NULL }; |
| 3109 | |
| 3110 | switch (code) { |
| 3111 | case QLA_UEVENT_CODE_FW_DUMP: |
| 3112 | snprintf(event_string, sizeof(event_string), "FW_DUMP=%ld", |
| 3113 | vha->host_no); |
| 3114 | break; |
| 3115 | default: |
| 3116 | /* do nothing */ |
| 3117 | break; |
| 3118 | } |
| 3119 | kobject_uevent_env(&vha->hw->pdev->dev.kobj, KOBJ_CHANGE, envp); |
| 3120 | } |
| 3121 | |
| 3122 | void |
| 3123 | qla2x00_do_work(struct scsi_qla_host *vha) |
| 3124 | { |
| 3125 | struct qla_work_evt *e, *tmp; |
| 3126 | unsigned long flags; |
| 3127 | LIST_HEAD(work); |
| 3128 | |
| 3129 | spin_lock_irqsave(&vha->work_lock, flags); |
| 3130 | list_splice_init(&vha->work_list, &work); |
| 3131 | spin_unlock_irqrestore(&vha->work_lock, flags); |
| 3132 | |
| 3133 | list_for_each_entry_safe(e, tmp, &work, list) { |
| 3134 | list_del_init(&e->list); |
| 3135 | |
| 3136 | switch (e->type) { |
| 3137 | case QLA_EVT_AEN: |
| 3138 | fc_host_post_event(vha->host, fc_get_event_number(), |
| 3139 | e->u.aen.code, e->u.aen.data); |
| 3140 | break; |
| 3141 | case QLA_EVT_IDC_ACK: |
| 3142 | qla81xx_idc_ack(vha, e->u.idc_ack.mb); |
| 3143 | break; |
| 3144 | case QLA_EVT_ASYNC_LOGIN: |
| 3145 | qla2x00_async_login(vha, e->u.logio.fcport, |
| 3146 | e->u.logio.data); |
| 3147 | break; |
| 3148 | case QLA_EVT_ASYNC_LOGIN_DONE: |
| 3149 | qla2x00_async_login_done(vha, e->u.logio.fcport, |
| 3150 | e->u.logio.data); |
| 3151 | break; |
| 3152 | case QLA_EVT_ASYNC_LOGOUT: |
| 3153 | qla2x00_async_logout(vha, e->u.logio.fcport); |
| 3154 | break; |
| 3155 | case QLA_EVT_ASYNC_LOGOUT_DONE: |
| 3156 | qla2x00_async_logout_done(vha, e->u.logio.fcport, |
| 3157 | e->u.logio.data); |
| 3158 | break; |
| 3159 | case QLA_EVT_ASYNC_ADISC: |
| 3160 | qla2x00_async_adisc(vha, e->u.logio.fcport, |
| 3161 | e->u.logio.data); |
| 3162 | break; |
| 3163 | case QLA_EVT_ASYNC_ADISC_DONE: |
| 3164 | qla2x00_async_adisc_done(vha, e->u.logio.fcport, |
| 3165 | e->u.logio.data); |
| 3166 | break; |
| 3167 | case QLA_EVT_UEVENT: |
| 3168 | qla2x00_uevent_emit(vha, e->u.uevent.code); |
| 3169 | break; |
| 3170 | } |
| 3171 | if (e->flags & QLA_EVT_FLAG_FREE) |
| 3172 | kfree(e); |
| 3173 | |
| 3174 | /* For each work completed decrement vha ref count */ |
| 3175 | QLA_VHA_MARK_NOT_BUSY(vha); |
| 3176 | } |
| 3177 | } |
| 3178 | |
| 3179 | /* Relogins all the fcports of a vport |
| 3180 | * Context: dpc thread |
| 3181 | */ |
| 3182 | void qla2x00_relogin(struct scsi_qla_host *vha) |
| 3183 | { |
| 3184 | fc_port_t *fcport; |
| 3185 | int status; |
| 3186 | uint16_t next_loopid = 0; |
| 3187 | struct qla_hw_data *ha = vha->hw; |
| 3188 | uint16_t data[2]; |
| 3189 | |
| 3190 | list_for_each_entry(fcport, &vha->vp_fcports, list) { |
| 3191 | /* |
| 3192 | * If the port is not ONLINE then try to login |
| 3193 | * to it if we haven't run out of retries. |
| 3194 | */ |
| 3195 | if (atomic_read(&fcport->state) != FCS_ONLINE && |
| 3196 | fcport->login_retry && !(fcport->flags & FCF_ASYNC_SENT)) { |
| 3197 | fcport->login_retry--; |
| 3198 | if (fcport->flags & FCF_FABRIC_DEVICE) { |
| 3199 | if (fcport->flags & FCF_FCP2_DEVICE) |
| 3200 | ha->isp_ops->fabric_logout(vha, |
| 3201 | fcport->loop_id, |
| 3202 | fcport->d_id.b.domain, |
| 3203 | fcport->d_id.b.area, |
| 3204 | fcport->d_id.b.al_pa); |
| 3205 | |
| 3206 | if (IS_ALOGIO_CAPABLE(ha)) { |
| 3207 | fcport->flags |= FCF_ASYNC_SENT; |
| 3208 | data[0] = 0; |
| 3209 | data[1] = QLA_LOGIO_LOGIN_RETRIED; |
| 3210 | status = qla2x00_post_async_login_work( |
| 3211 | vha, fcport, data); |
| 3212 | if (status == QLA_SUCCESS) |
| 3213 | continue; |
| 3214 | /* Attempt a retry. */ |
| 3215 | status = 1; |
| 3216 | } else |
| 3217 | status = qla2x00_fabric_login(vha, |
| 3218 | fcport, &next_loopid); |
| 3219 | } else |
| 3220 | status = qla2x00_local_device_login(vha, |
| 3221 | fcport); |
| 3222 | |
| 3223 | if (status == QLA_SUCCESS) { |
| 3224 | fcport->old_loop_id = fcport->loop_id; |
| 3225 | |
| 3226 | DEBUG(printk("scsi(%ld): port login OK: logged " |
| 3227 | "in ID 0x%x\n", vha->host_no, fcport->loop_id)); |
| 3228 | |
| 3229 | qla2x00_update_fcport(vha, fcport); |
| 3230 | |
| 3231 | } else if (status == 1) { |
| 3232 | set_bit(RELOGIN_NEEDED, &vha->dpc_flags); |
| 3233 | /* retry the login again */ |
| 3234 | DEBUG(printk("scsi(%ld): Retrying" |
| 3235 | " %d login again loop_id 0x%x\n", |
| 3236 | vha->host_no, fcport->login_retry, |
| 3237 | fcport->loop_id)); |
| 3238 | } else { |
| 3239 | fcport->login_retry = 0; |
| 3240 | } |
| 3241 | |
| 3242 | if (fcport->login_retry == 0 && status != QLA_SUCCESS) |
| 3243 | fcport->loop_id = FC_NO_LOOP_ID; |
| 3244 | } |
| 3245 | if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags)) |
| 3246 | break; |
| 3247 | } |
| 3248 | } |
| 3249 | |
| 3250 | /************************************************************************** |
| 3251 | * qla2x00_do_dpc |
| 3252 | * This kernel thread is a task that is schedule by the interrupt handler |
| 3253 | * to perform the background processing for interrupts. |
| 3254 | * |
| 3255 | * Notes: |
| 3256 | * This task always run in the context of a kernel thread. It |
| 3257 | * is kick-off by the driver's detect code and starts up |
| 3258 | * up one per adapter. It immediately goes to sleep and waits for |
| 3259 | * some fibre event. When either the interrupt handler or |
| 3260 | * the timer routine detects a event it will one of the task |
| 3261 | * bits then wake us up. |
| 3262 | **************************************************************************/ |
| 3263 | static int |
| 3264 | qla2x00_do_dpc(void *data) |
| 3265 | { |
| 3266 | int rval; |
| 3267 | scsi_qla_host_t *base_vha; |
| 3268 | struct qla_hw_data *ha; |
| 3269 | |
| 3270 | ha = (struct qla_hw_data *)data; |
| 3271 | base_vha = pci_get_drvdata(ha->pdev); |
| 3272 | |
| 3273 | set_user_nice(current, -20); |
| 3274 | |
| 3275 | while (!kthread_should_stop()) { |
| 3276 | DEBUG3(printk("qla2x00: DPC handler sleeping\n")); |
| 3277 | |
| 3278 | set_current_state(TASK_INTERRUPTIBLE); |
| 3279 | schedule(); |
| 3280 | __set_current_state(TASK_RUNNING); |
| 3281 | |
| 3282 | DEBUG3(printk("qla2x00: DPC handler waking up\n")); |
| 3283 | |
| 3284 | /* Initialization not yet finished. Don't do anything yet. */ |
| 3285 | if (!base_vha->flags.init_done) |
| 3286 | continue; |
| 3287 | |
| 3288 | if (ha->flags.eeh_busy) { |
| 3289 | DEBUG17(qla_printk(KERN_WARNING, ha, |
| 3290 | "qla2x00_do_dpc: dpc_flags: %lx\n", |
| 3291 | base_vha->dpc_flags)); |
| 3292 | continue; |
| 3293 | } |
| 3294 | |
| 3295 | DEBUG3(printk("scsi(%ld): DPC handler\n", base_vha->host_no)); |
| 3296 | |
| 3297 | ha->dpc_active = 1; |
| 3298 | |
| 3299 | if (ha->flags.mbox_busy) { |
| 3300 | ha->dpc_active = 0; |
| 3301 | continue; |
| 3302 | } |
| 3303 | |
| 3304 | qla2x00_do_work(base_vha); |
| 3305 | |
| 3306 | if (IS_QLA82XX(ha)) { |
| 3307 | if (test_and_clear_bit(ISP_UNRECOVERABLE, |
| 3308 | &base_vha->dpc_flags)) { |
| 3309 | qla82xx_idc_lock(ha); |
| 3310 | qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE, |
| 3311 | QLA82XX_DEV_FAILED); |
| 3312 | qla82xx_idc_unlock(ha); |
| 3313 | qla_printk(KERN_INFO, ha, |
| 3314 | "HW State: FAILED\n"); |
| 3315 | qla82xx_device_state_handler(base_vha); |
| 3316 | continue; |
| 3317 | } |
| 3318 | |
| 3319 | if (test_and_clear_bit(FCOE_CTX_RESET_NEEDED, |
| 3320 | &base_vha->dpc_flags)) { |
| 3321 | |
| 3322 | DEBUG(printk(KERN_INFO |
| 3323 | "scsi(%ld): dpc: sched " |
| 3324 | "qla82xx_fcoe_ctx_reset ha = %p\n", |
| 3325 | base_vha->host_no, ha)); |
| 3326 | if (!(test_and_set_bit(ABORT_ISP_ACTIVE, |
| 3327 | &base_vha->dpc_flags))) { |
| 3328 | if (qla82xx_fcoe_ctx_reset(base_vha)) { |
| 3329 | /* FCoE-ctx reset failed. |
| 3330 | * Escalate to chip-reset |
| 3331 | */ |
| 3332 | set_bit(ISP_ABORT_NEEDED, |
| 3333 | &base_vha->dpc_flags); |
| 3334 | } |
| 3335 | clear_bit(ABORT_ISP_ACTIVE, |
| 3336 | &base_vha->dpc_flags); |
| 3337 | } |
| 3338 | |
| 3339 | DEBUG(printk("scsi(%ld): dpc:" |
| 3340 | " qla82xx_fcoe_ctx_reset end\n", |
| 3341 | base_vha->host_no)); |
| 3342 | } |
| 3343 | } |
| 3344 | |
| 3345 | if (test_and_clear_bit(ISP_ABORT_NEEDED, |
| 3346 | &base_vha->dpc_flags)) { |
| 3347 | |
| 3348 | DEBUG(printk("scsi(%ld): dpc: sched " |
| 3349 | "qla2x00_abort_isp ha = %p\n", |
| 3350 | base_vha->host_no, ha)); |
| 3351 | if (!(test_and_set_bit(ABORT_ISP_ACTIVE, |
| 3352 | &base_vha->dpc_flags))) { |
| 3353 | |
| 3354 | if (ha->isp_ops->abort_isp(base_vha)) { |
| 3355 | /* failed. retry later */ |
| 3356 | set_bit(ISP_ABORT_NEEDED, |
| 3357 | &base_vha->dpc_flags); |
| 3358 | } |
| 3359 | clear_bit(ABORT_ISP_ACTIVE, |
| 3360 | &base_vha->dpc_flags); |
| 3361 | } |
| 3362 | |
| 3363 | DEBUG(printk("scsi(%ld): dpc: qla2x00_abort_isp end\n", |
| 3364 | base_vha->host_no)); |
| 3365 | } |
| 3366 | |
| 3367 | if (test_bit(FCPORT_UPDATE_NEEDED, &base_vha->dpc_flags)) { |
| 3368 | qla2x00_update_fcports(base_vha); |
| 3369 | clear_bit(FCPORT_UPDATE_NEEDED, &base_vha->dpc_flags); |
| 3370 | } |
| 3371 | |
| 3372 | if (test_bit(ISP_QUIESCE_NEEDED, &base_vha->dpc_flags)) { |
| 3373 | DEBUG(printk(KERN_INFO "scsi(%ld): dpc: sched " |
| 3374 | "qla2x00_quiesce_needed ha = %p\n", |
| 3375 | base_vha->host_no, ha)); |
| 3376 | qla82xx_device_state_handler(base_vha); |
| 3377 | clear_bit(ISP_QUIESCE_NEEDED, &base_vha->dpc_flags); |
| 3378 | if (!ha->flags.quiesce_owner) { |
| 3379 | qla2x00_perform_loop_resync(base_vha); |
| 3380 | |
| 3381 | qla82xx_idc_lock(ha); |
| 3382 | qla82xx_clear_qsnt_ready(base_vha); |
| 3383 | qla82xx_idc_unlock(ha); |
| 3384 | } |
| 3385 | } |
| 3386 | |
| 3387 | if (test_and_clear_bit(RESET_MARKER_NEEDED, |
| 3388 | &base_vha->dpc_flags) && |
| 3389 | (!(test_and_set_bit(RESET_ACTIVE, &base_vha->dpc_flags)))) { |
| 3390 | |
| 3391 | DEBUG(printk("scsi(%ld): qla2x00_reset_marker()\n", |
| 3392 | base_vha->host_no)); |
| 3393 | |
| 3394 | qla2x00_rst_aen(base_vha); |
| 3395 | clear_bit(RESET_ACTIVE, &base_vha->dpc_flags); |
| 3396 | } |
| 3397 | |
| 3398 | /* Retry each device up to login retry count */ |
| 3399 | if ((test_and_clear_bit(RELOGIN_NEEDED, |
| 3400 | &base_vha->dpc_flags)) && |
| 3401 | !test_bit(LOOP_RESYNC_NEEDED, &base_vha->dpc_flags) && |
| 3402 | atomic_read(&base_vha->loop_state) != LOOP_DOWN) { |
| 3403 | |
| 3404 | DEBUG(printk("scsi(%ld): qla2x00_port_login()\n", |
| 3405 | base_vha->host_no)); |
| 3406 | qla2x00_relogin(base_vha); |
| 3407 | |
| 3408 | DEBUG(printk("scsi(%ld): qla2x00_port_login - end\n", |
| 3409 | base_vha->host_no)); |
| 3410 | } |
| 3411 | |
| 3412 | if (test_and_clear_bit(LOOP_RESYNC_NEEDED, |
| 3413 | &base_vha->dpc_flags)) { |
| 3414 | |
| 3415 | DEBUG(printk("scsi(%ld): qla2x00_loop_resync()\n", |
| 3416 | base_vha->host_no)); |
| 3417 | |
| 3418 | if (!(test_and_set_bit(LOOP_RESYNC_ACTIVE, |
| 3419 | &base_vha->dpc_flags))) { |
| 3420 | |
| 3421 | rval = qla2x00_loop_resync(base_vha); |
| 3422 | |
| 3423 | clear_bit(LOOP_RESYNC_ACTIVE, |
| 3424 | &base_vha->dpc_flags); |
| 3425 | } |
| 3426 | |
| 3427 | DEBUG(printk("scsi(%ld): qla2x00_loop_resync - end\n", |
| 3428 | base_vha->host_no)); |
| 3429 | } |
| 3430 | |
| 3431 | if (test_bit(NPIV_CONFIG_NEEDED, &base_vha->dpc_flags) && |
| 3432 | atomic_read(&base_vha->loop_state) == LOOP_READY) { |
| 3433 | clear_bit(NPIV_CONFIG_NEEDED, &base_vha->dpc_flags); |
| 3434 | qla2xxx_flash_npiv_conf(base_vha); |
| 3435 | } |
| 3436 | |
| 3437 | if (!ha->interrupts_on) |
| 3438 | ha->isp_ops->enable_intrs(ha); |
| 3439 | |
| 3440 | if (test_and_clear_bit(BEACON_BLINK_NEEDED, |
| 3441 | &base_vha->dpc_flags)) |
| 3442 | ha->isp_ops->beacon_blink(base_vha); |
| 3443 | |
| 3444 | qla2x00_do_dpc_all_vps(base_vha); |
| 3445 | |
| 3446 | ha->dpc_active = 0; |
| 3447 | } /* End of while(1) */ |
| 3448 | |
| 3449 | DEBUG(printk("scsi(%ld): DPC handler exiting\n", base_vha->host_no)); |
| 3450 | |
| 3451 | /* |
| 3452 | * Make sure that nobody tries to wake us up again. |
| 3453 | */ |
| 3454 | ha->dpc_active = 0; |
| 3455 | |
| 3456 | /* Cleanup any residual CTX SRBs. */ |
| 3457 | qla2x00_abort_all_cmds(base_vha, DID_NO_CONNECT << 16); |
| 3458 | |
| 3459 | return 0; |
| 3460 | } |
| 3461 | |
| 3462 | void |
| 3463 | qla2xxx_wake_dpc(struct scsi_qla_host *vha) |
| 3464 | { |
| 3465 | struct qla_hw_data *ha = vha->hw; |
| 3466 | struct task_struct *t = ha->dpc_thread; |
| 3467 | |
| 3468 | if (!test_bit(UNLOADING, &vha->dpc_flags) && t) |
| 3469 | wake_up_process(t); |
| 3470 | } |
| 3471 | |
| 3472 | /* |
| 3473 | * qla2x00_rst_aen |
| 3474 | * Processes asynchronous reset. |
| 3475 | * |
| 3476 | * Input: |
| 3477 | * ha = adapter block pointer. |
| 3478 | */ |
| 3479 | static void |
| 3480 | qla2x00_rst_aen(scsi_qla_host_t *vha) |
| 3481 | { |
| 3482 | if (vha->flags.online && !vha->flags.reset_active && |
| 3483 | !atomic_read(&vha->loop_down_timer) && |
| 3484 | !(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags))) { |
| 3485 | do { |
| 3486 | clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags); |
| 3487 | |
| 3488 | /* |
| 3489 | * Issue marker command only when we are going to start |
| 3490 | * the I/O. |
| 3491 | */ |
| 3492 | vha->marker_needed = 1; |
| 3493 | } while (!atomic_read(&vha->loop_down_timer) && |
| 3494 | (test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags))); |
| 3495 | } |
| 3496 | } |
| 3497 | |
| 3498 | static void |
| 3499 | qla2x00_sp_free_dma(srb_t *sp) |
| 3500 | { |
| 3501 | struct scsi_cmnd *cmd = sp->cmd; |
| 3502 | struct qla_hw_data *ha = sp->fcport->vha->hw; |
| 3503 | |
| 3504 | if (sp->flags & SRB_DMA_VALID) { |
| 3505 | scsi_dma_unmap(cmd); |
| 3506 | sp->flags &= ~SRB_DMA_VALID; |
| 3507 | } |
| 3508 | |
| 3509 | if (sp->flags & SRB_CRC_PROT_DMA_VALID) { |
| 3510 | dma_unmap_sg(&ha->pdev->dev, scsi_prot_sglist(cmd), |
| 3511 | scsi_prot_sg_count(cmd), cmd->sc_data_direction); |
| 3512 | sp->flags &= ~SRB_CRC_PROT_DMA_VALID; |
| 3513 | } |
| 3514 | |
| 3515 | if (sp->flags & SRB_CRC_CTX_DSD_VALID) { |
| 3516 | /* List assured to be having elements */ |
| 3517 | qla2x00_clean_dsd_pool(ha, sp); |
| 3518 | sp->flags &= ~SRB_CRC_CTX_DSD_VALID; |
| 3519 | } |
| 3520 | |
| 3521 | if (sp->flags & SRB_CRC_CTX_DMA_VALID) { |
| 3522 | dma_pool_free(ha->dl_dma_pool, sp->ctx, |
| 3523 | ((struct crc_context *)sp->ctx)->crc_ctx_dma); |
| 3524 | sp->flags &= ~SRB_CRC_CTX_DMA_VALID; |
| 3525 | } |
| 3526 | |
| 3527 | CMD_SP(cmd) = NULL; |
| 3528 | } |
| 3529 | |
| 3530 | static void |
| 3531 | qla2x00_sp_final_compl(struct qla_hw_data *ha, srb_t *sp) |
| 3532 | { |
| 3533 | struct scsi_cmnd *cmd = sp->cmd; |
| 3534 | |
| 3535 | qla2x00_sp_free_dma(sp); |
| 3536 | |
| 3537 | if (sp->flags & SRB_FCP_CMND_DMA_VALID) { |
| 3538 | struct ct6_dsd *ctx = sp->ctx; |
| 3539 | dma_pool_free(ha->fcp_cmnd_dma_pool, ctx->fcp_cmnd, |
| 3540 | ctx->fcp_cmnd_dma); |
| 3541 | list_splice(&ctx->dsd_list, &ha->gbl_dsd_list); |
| 3542 | ha->gbl_dsd_inuse -= ctx->dsd_use_cnt; |
| 3543 | ha->gbl_dsd_avail += ctx->dsd_use_cnt; |
| 3544 | mempool_free(sp->ctx, ha->ctx_mempool); |
| 3545 | sp->ctx = NULL; |
| 3546 | } |
| 3547 | |
| 3548 | mempool_free(sp, ha->srb_mempool); |
| 3549 | cmd->scsi_done(cmd); |
| 3550 | } |
| 3551 | |
| 3552 | void |
| 3553 | qla2x00_sp_compl(struct qla_hw_data *ha, srb_t *sp) |
| 3554 | { |
| 3555 | if (atomic_read(&sp->ref_count) == 0) { |
| 3556 | DEBUG2(qla_printk(KERN_WARNING, ha, |
| 3557 | "SP reference-count to ZERO -- sp=%p\n", sp)); |
| 3558 | DEBUG2(BUG()); |
| 3559 | return; |
| 3560 | } |
| 3561 | if (!atomic_dec_and_test(&sp->ref_count)) |
| 3562 | return; |
| 3563 | qla2x00_sp_final_compl(ha, sp); |
| 3564 | } |
| 3565 | |
| 3566 | /************************************************************************** |
| 3567 | * qla2x00_timer |
| 3568 | * |
| 3569 | * Description: |
| 3570 | * One second timer |
| 3571 | * |
| 3572 | * Context: Interrupt |
| 3573 | ***************************************************************************/ |
| 3574 | void |
| 3575 | qla2x00_timer(scsi_qla_host_t *vha) |
| 3576 | { |
| 3577 | unsigned long cpu_flags = 0; |
| 3578 | int start_dpc = 0; |
| 3579 | int index; |
| 3580 | srb_t *sp; |
| 3581 | uint16_t w; |
| 3582 | struct qla_hw_data *ha = vha->hw; |
| 3583 | struct req_que *req; |
| 3584 | |
| 3585 | if (ha->flags.eeh_busy) { |
| 3586 | qla2x00_restart_timer(vha, WATCH_INTERVAL); |
| 3587 | return; |
| 3588 | } |
| 3589 | |
| 3590 | /* Hardware read to raise pending EEH errors during mailbox waits. */ |
| 3591 | if (!pci_channel_offline(ha->pdev)) |
| 3592 | pci_read_config_word(ha->pdev, PCI_VENDOR_ID, &w); |
| 3593 | |
| 3594 | if (IS_QLA82XX(ha)) { |
| 3595 | if (test_bit(ISP_QUIESCE_NEEDED, &vha->dpc_flags)) |
| 3596 | start_dpc++; |
| 3597 | qla82xx_watchdog(vha); |
| 3598 | } |
| 3599 | |
| 3600 | /* Loop down handler. */ |
| 3601 | if (atomic_read(&vha->loop_down_timer) > 0 && |
| 3602 | !(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)) |
| 3603 | && vha->flags.online) { |
| 3604 | |
| 3605 | if (atomic_read(&vha->loop_down_timer) == |
| 3606 | vha->loop_down_abort_time) { |
| 3607 | |
| 3608 | DEBUG(printk("scsi(%ld): Loop Down - aborting the " |
| 3609 | "queues before time expire\n", |
| 3610 | vha->host_no)); |
| 3611 | |
| 3612 | if (!IS_QLA2100(ha) && vha->link_down_timeout) |
| 3613 | atomic_set(&vha->loop_state, LOOP_DEAD); |
| 3614 | |
| 3615 | /* |
| 3616 | * Schedule an ISP abort to return any FCP2-device |
| 3617 | * commands. |
| 3618 | */ |
| 3619 | /* NPIV - scan physical port only */ |
| 3620 | if (!vha->vp_idx) { |
| 3621 | spin_lock_irqsave(&ha->hardware_lock, |
| 3622 | cpu_flags); |
| 3623 | req = ha->req_q_map[0]; |
| 3624 | for (index = 1; |
| 3625 | index < MAX_OUTSTANDING_COMMANDS; |
| 3626 | index++) { |
| 3627 | fc_port_t *sfcp; |
| 3628 | |
| 3629 | sp = req->outstanding_cmds[index]; |
| 3630 | if (!sp) |
| 3631 | continue; |
| 3632 | if (sp->ctx && !IS_PROT_IO(sp)) |
| 3633 | continue; |
| 3634 | sfcp = sp->fcport; |
| 3635 | if (!(sfcp->flags & FCF_FCP2_DEVICE)) |
| 3636 | continue; |
| 3637 | |
| 3638 | set_bit(ISP_ABORT_NEEDED, |
| 3639 | &vha->dpc_flags); |
| 3640 | break; |
| 3641 | } |
| 3642 | spin_unlock_irqrestore(&ha->hardware_lock, |
| 3643 | cpu_flags); |
| 3644 | } |
| 3645 | start_dpc++; |
| 3646 | } |
| 3647 | |
| 3648 | /* if the loop has been down for 4 minutes, reinit adapter */ |
| 3649 | if (atomic_dec_and_test(&vha->loop_down_timer) != 0) { |
| 3650 | if (!(vha->device_flags & DFLG_NO_CABLE)) { |
| 3651 | DEBUG(printk("scsi(%ld): Loop down - " |
| 3652 | "aborting ISP.\n", |
| 3653 | vha->host_no)); |
| 3654 | qla_printk(KERN_WARNING, ha, |
| 3655 | "Loop down - aborting ISP.\n"); |
| 3656 | |
| 3657 | set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); |
| 3658 | } |
| 3659 | } |
| 3660 | DEBUG3(printk("scsi(%ld): Loop Down - seconds remaining %d\n", |
| 3661 | vha->host_no, |
| 3662 | atomic_read(&vha->loop_down_timer))); |
| 3663 | } |
| 3664 | |
| 3665 | /* Check if beacon LED needs to be blinked */ |
| 3666 | if (ha->beacon_blink_led == 1) { |
| 3667 | set_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags); |
| 3668 | start_dpc++; |
| 3669 | } |
| 3670 | |
| 3671 | /* Process any deferred work. */ |
| 3672 | if (!list_empty(&vha->work_list)) |
| 3673 | start_dpc++; |
| 3674 | |
| 3675 | /* Schedule the DPC routine if needed */ |
| 3676 | if ((test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) || |
| 3677 | test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags) || |
| 3678 | test_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags) || |
| 3679 | start_dpc || |
| 3680 | test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags) || |
| 3681 | test_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags) || |
| 3682 | test_bit(ISP_UNRECOVERABLE, &vha->dpc_flags) || |
| 3683 | test_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags) || |
| 3684 | test_bit(VP_DPC_NEEDED, &vha->dpc_flags) || |
| 3685 | test_bit(RELOGIN_NEEDED, &vha->dpc_flags))) |
| 3686 | qla2xxx_wake_dpc(vha); |
| 3687 | |
| 3688 | qla2x00_restart_timer(vha, WATCH_INTERVAL); |
| 3689 | } |
| 3690 | |
| 3691 | /* Firmware interface routines. */ |
| 3692 | |
| 3693 | #define FW_BLOBS 8 |
| 3694 | #define FW_ISP21XX 0 |
| 3695 | #define FW_ISP22XX 1 |
| 3696 | #define FW_ISP2300 2 |
| 3697 | #define FW_ISP2322 3 |
| 3698 | #define FW_ISP24XX 4 |
| 3699 | #define FW_ISP25XX 5 |
| 3700 | #define FW_ISP81XX 6 |
| 3701 | #define FW_ISP82XX 7 |
| 3702 | |
| 3703 | #define FW_FILE_ISP21XX "ql2100_fw.bin" |
| 3704 | #define FW_FILE_ISP22XX "ql2200_fw.bin" |
| 3705 | #define FW_FILE_ISP2300 "ql2300_fw.bin" |
| 3706 | #define FW_FILE_ISP2322 "ql2322_fw.bin" |
| 3707 | #define FW_FILE_ISP24XX "ql2400_fw.bin" |
| 3708 | #define FW_FILE_ISP25XX "ql2500_fw.bin" |
| 3709 | #define FW_FILE_ISP81XX "ql8100_fw.bin" |
| 3710 | #define FW_FILE_ISP82XX "ql8200_fw.bin" |
| 3711 | |
| 3712 | static DEFINE_MUTEX(qla_fw_lock); |
| 3713 | |
| 3714 | static struct fw_blob qla_fw_blobs[FW_BLOBS] = { |
| 3715 | { .name = FW_FILE_ISP21XX, .segs = { 0x1000, 0 }, }, |
| 3716 | { .name = FW_FILE_ISP22XX, .segs = { 0x1000, 0 }, }, |
| 3717 | { .name = FW_FILE_ISP2300, .segs = { 0x800, 0 }, }, |
| 3718 | { .name = FW_FILE_ISP2322, .segs = { 0x800, 0x1c000, 0x1e000, 0 }, }, |
| 3719 | { .name = FW_FILE_ISP24XX, }, |
| 3720 | { .name = FW_FILE_ISP25XX, }, |
| 3721 | { .name = FW_FILE_ISP81XX, }, |
| 3722 | { .name = FW_FILE_ISP82XX, }, |
| 3723 | }; |
| 3724 | |
| 3725 | struct fw_blob * |
| 3726 | qla2x00_request_firmware(scsi_qla_host_t *vha) |
| 3727 | { |
| 3728 | struct qla_hw_data *ha = vha->hw; |
| 3729 | struct fw_blob *blob; |
| 3730 | |
| 3731 | blob = NULL; |
| 3732 | if (IS_QLA2100(ha)) { |
| 3733 | blob = &qla_fw_blobs[FW_ISP21XX]; |
| 3734 | } else if (IS_QLA2200(ha)) { |
| 3735 | blob = &qla_fw_blobs[FW_ISP22XX]; |
| 3736 | } else if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) { |
| 3737 | blob = &qla_fw_blobs[FW_ISP2300]; |
| 3738 | } else if (IS_QLA2322(ha) || IS_QLA6322(ha)) { |
| 3739 | blob = &qla_fw_blobs[FW_ISP2322]; |
| 3740 | } else if (IS_QLA24XX_TYPE(ha)) { |
| 3741 | blob = &qla_fw_blobs[FW_ISP24XX]; |
| 3742 | } else if (IS_QLA25XX(ha)) { |
| 3743 | blob = &qla_fw_blobs[FW_ISP25XX]; |
| 3744 | } else if (IS_QLA81XX(ha)) { |
| 3745 | blob = &qla_fw_blobs[FW_ISP81XX]; |
| 3746 | } else if (IS_QLA82XX(ha)) { |
| 3747 | blob = &qla_fw_blobs[FW_ISP82XX]; |
| 3748 | } |
| 3749 | |
| 3750 | mutex_lock(&qla_fw_lock); |
| 3751 | if (blob->fw) |
| 3752 | goto out; |
| 3753 | |
| 3754 | if (request_firmware(&blob->fw, blob->name, &ha->pdev->dev)) { |
| 3755 | DEBUG2(printk("scsi(%ld): Failed to load firmware image " |
| 3756 | "(%s).\n", vha->host_no, blob->name)); |
| 3757 | blob->fw = NULL; |
| 3758 | blob = NULL; |
| 3759 | goto out; |
| 3760 | } |
| 3761 | |
| 3762 | out: |
| 3763 | mutex_unlock(&qla_fw_lock); |
| 3764 | return blob; |
| 3765 | } |
| 3766 | |
| 3767 | static void |
| 3768 | qla2x00_release_firmware(void) |
| 3769 | { |
| 3770 | int idx; |
| 3771 | |
| 3772 | mutex_lock(&qla_fw_lock); |
| 3773 | for (idx = 0; idx < FW_BLOBS; idx++) |
| 3774 | if (qla_fw_blobs[idx].fw) |
| 3775 | release_firmware(qla_fw_blobs[idx].fw); |
| 3776 | mutex_unlock(&qla_fw_lock); |
| 3777 | } |
| 3778 | |
| 3779 | static pci_ers_result_t |
| 3780 | qla2xxx_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state) |
| 3781 | { |
| 3782 | scsi_qla_host_t *vha = pci_get_drvdata(pdev); |
| 3783 | struct qla_hw_data *ha = vha->hw; |
| 3784 | |
| 3785 | DEBUG2(qla_printk(KERN_WARNING, ha, "error_detected:state %x\n", |
| 3786 | state)); |
| 3787 | |
| 3788 | switch (state) { |
| 3789 | case pci_channel_io_normal: |
| 3790 | ha->flags.eeh_busy = 0; |
| 3791 | return PCI_ERS_RESULT_CAN_RECOVER; |
| 3792 | case pci_channel_io_frozen: |
| 3793 | ha->flags.eeh_busy = 1; |
| 3794 | /* For ISP82XX complete any pending mailbox cmd */ |
| 3795 | if (IS_QLA82XX(ha)) { |
| 3796 | ha->flags.fw_hung = 1; |
| 3797 | if (ha->flags.mbox_busy) { |
| 3798 | ha->flags.mbox_int = 1; |
| 3799 | DEBUG2(qla_printk(KERN_ERR, ha, |
| 3800 | "Due to pci channel io frozen, doing premature " |
| 3801 | "completion of mbx command\n")); |
| 3802 | complete(&ha->mbx_intr_comp); |
| 3803 | } |
| 3804 | } |
| 3805 | qla2x00_free_irqs(vha); |
| 3806 | pci_disable_device(pdev); |
| 3807 | /* Return back all IOs */ |
| 3808 | qla2x00_abort_all_cmds(vha, DID_RESET << 16); |
| 3809 | return PCI_ERS_RESULT_NEED_RESET; |
| 3810 | case pci_channel_io_perm_failure: |
| 3811 | ha->flags.pci_channel_io_perm_failure = 1; |
| 3812 | qla2x00_abort_all_cmds(vha, DID_NO_CONNECT << 16); |
| 3813 | return PCI_ERS_RESULT_DISCONNECT; |
| 3814 | } |
| 3815 | return PCI_ERS_RESULT_NEED_RESET; |
| 3816 | } |
| 3817 | |
| 3818 | static pci_ers_result_t |
| 3819 | qla2xxx_pci_mmio_enabled(struct pci_dev *pdev) |
| 3820 | { |
| 3821 | int risc_paused = 0; |
| 3822 | uint32_t stat; |
| 3823 | unsigned long flags; |
| 3824 | scsi_qla_host_t *base_vha = pci_get_drvdata(pdev); |
| 3825 | struct qla_hw_data *ha = base_vha->hw; |
| 3826 | struct device_reg_2xxx __iomem *reg = &ha->iobase->isp; |
| 3827 | struct device_reg_24xx __iomem *reg24 = &ha->iobase->isp24; |
| 3828 | |
| 3829 | if (IS_QLA82XX(ha)) |
| 3830 | return PCI_ERS_RESULT_RECOVERED; |
| 3831 | |
| 3832 | spin_lock_irqsave(&ha->hardware_lock, flags); |
| 3833 | if (IS_QLA2100(ha) || IS_QLA2200(ha)){ |
| 3834 | stat = RD_REG_DWORD(®->hccr); |
| 3835 | if (stat & HCCR_RISC_PAUSE) |
| 3836 | risc_paused = 1; |
| 3837 | } else if (IS_QLA23XX(ha)) { |
| 3838 | stat = RD_REG_DWORD(®->u.isp2300.host_status); |
| 3839 | if (stat & HSR_RISC_PAUSED) |
| 3840 | risc_paused = 1; |
| 3841 | } else if (IS_FWI2_CAPABLE(ha)) { |
| 3842 | stat = RD_REG_DWORD(®24->host_status); |
| 3843 | if (stat & HSRX_RISC_PAUSED) |
| 3844 | risc_paused = 1; |
| 3845 | } |
| 3846 | spin_unlock_irqrestore(&ha->hardware_lock, flags); |
| 3847 | |
| 3848 | if (risc_paused) { |
| 3849 | qla_printk(KERN_INFO, ha, "RISC paused -- mmio_enabled, " |
| 3850 | "Dumping firmware!\n"); |
| 3851 | ha->isp_ops->fw_dump(base_vha, 0); |
| 3852 | |
| 3853 | return PCI_ERS_RESULT_NEED_RESET; |
| 3854 | } else |
| 3855 | return PCI_ERS_RESULT_RECOVERED; |
| 3856 | } |
| 3857 | |
| 3858 | uint32_t qla82xx_error_recovery(scsi_qla_host_t *base_vha) |
| 3859 | { |
| 3860 | uint32_t rval = QLA_FUNCTION_FAILED; |
| 3861 | uint32_t drv_active = 0; |
| 3862 | struct qla_hw_data *ha = base_vha->hw; |
| 3863 | int fn; |
| 3864 | struct pci_dev *other_pdev = NULL; |
| 3865 | |
| 3866 | DEBUG17(qla_printk(KERN_INFO, ha, |
| 3867 | "scsi(%ld): In qla82xx_error_recovery\n", base_vha->host_no)); |
| 3868 | |
| 3869 | set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags); |
| 3870 | |
| 3871 | if (base_vha->flags.online) { |
| 3872 | /* Abort all outstanding commands, |
| 3873 | * so as to be requeued later */ |
| 3874 | qla2x00_abort_isp_cleanup(base_vha); |
| 3875 | } |
| 3876 | |
| 3877 | |
| 3878 | fn = PCI_FUNC(ha->pdev->devfn); |
| 3879 | while (fn > 0) { |
| 3880 | fn--; |
| 3881 | DEBUG17(qla_printk(KERN_INFO, ha, |
| 3882 | "Finding pci device at function = 0x%x\n", fn)); |
| 3883 | other_pdev = |
| 3884 | pci_get_domain_bus_and_slot(pci_domain_nr(ha->pdev->bus), |
| 3885 | ha->pdev->bus->number, PCI_DEVFN(PCI_SLOT(ha->pdev->devfn), |
| 3886 | fn)); |
| 3887 | |
| 3888 | if (!other_pdev) |
| 3889 | continue; |
| 3890 | if (atomic_read(&other_pdev->enable_cnt)) { |
| 3891 | DEBUG17(qla_printk(KERN_INFO, ha, |
| 3892 | "Found PCI func availabe and enabled at 0x%x\n", |
| 3893 | fn)); |
| 3894 | pci_dev_put(other_pdev); |
| 3895 | break; |
| 3896 | } |
| 3897 | pci_dev_put(other_pdev); |
| 3898 | } |
| 3899 | |
| 3900 | if (!fn) { |
| 3901 | /* Reset owner */ |
| 3902 | DEBUG17(qla_printk(KERN_INFO, ha, |
| 3903 | "This devfn is reset owner = 0x%x\n", ha->pdev->devfn)); |
| 3904 | qla82xx_idc_lock(ha); |
| 3905 | |
| 3906 | qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE, |
| 3907 | QLA82XX_DEV_INITIALIZING); |
| 3908 | |
| 3909 | qla82xx_wr_32(ha, QLA82XX_CRB_DRV_IDC_VERSION, |
| 3910 | QLA82XX_IDC_VERSION); |
| 3911 | |
| 3912 | drv_active = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_ACTIVE); |
| 3913 | DEBUG17(qla_printk(KERN_INFO, ha, |
| 3914 | "drv_active = 0x%x\n", drv_active)); |
| 3915 | |
| 3916 | qla82xx_idc_unlock(ha); |
| 3917 | /* Reset if device is not already reset |
| 3918 | * drv_active would be 0 if a reset has already been done |
| 3919 | */ |
| 3920 | if (drv_active) |
| 3921 | rval = qla82xx_start_firmware(base_vha); |
| 3922 | else |
| 3923 | rval = QLA_SUCCESS; |
| 3924 | qla82xx_idc_lock(ha); |
| 3925 | |
| 3926 | if (rval != QLA_SUCCESS) { |
| 3927 | qla_printk(KERN_INFO, ha, "HW State: FAILED\n"); |
| 3928 | qla82xx_clear_drv_active(ha); |
| 3929 | qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE, |
| 3930 | QLA82XX_DEV_FAILED); |
| 3931 | } else { |
| 3932 | qla_printk(KERN_INFO, ha, "HW State: READY\n"); |
| 3933 | qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE, |
| 3934 | QLA82XX_DEV_READY); |
| 3935 | qla82xx_idc_unlock(ha); |
| 3936 | ha->flags.fw_hung = 0; |
| 3937 | rval = qla82xx_restart_isp(base_vha); |
| 3938 | qla82xx_idc_lock(ha); |
| 3939 | /* Clear driver state register */ |
| 3940 | qla82xx_wr_32(ha, QLA82XX_CRB_DRV_STATE, 0); |
| 3941 | qla82xx_set_drv_active(base_vha); |
| 3942 | } |
| 3943 | qla82xx_idc_unlock(ha); |
| 3944 | } else { |
| 3945 | DEBUG17(qla_printk(KERN_INFO, ha, |
| 3946 | "This devfn is not reset owner = 0x%x\n", ha->pdev->devfn)); |
| 3947 | if ((qla82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE) == |
| 3948 | QLA82XX_DEV_READY)) { |
| 3949 | ha->flags.fw_hung = 0; |
| 3950 | rval = qla82xx_restart_isp(base_vha); |
| 3951 | qla82xx_idc_lock(ha); |
| 3952 | qla82xx_set_drv_active(base_vha); |
| 3953 | qla82xx_idc_unlock(ha); |
| 3954 | } |
| 3955 | } |
| 3956 | clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags); |
| 3957 | |
| 3958 | return rval; |
| 3959 | } |
| 3960 | |
| 3961 | static pci_ers_result_t |
| 3962 | qla2xxx_pci_slot_reset(struct pci_dev *pdev) |
| 3963 | { |
| 3964 | pci_ers_result_t ret = PCI_ERS_RESULT_DISCONNECT; |
| 3965 | scsi_qla_host_t *base_vha = pci_get_drvdata(pdev); |
| 3966 | struct qla_hw_data *ha = base_vha->hw; |
| 3967 | struct rsp_que *rsp; |
| 3968 | int rc, retries = 10; |
| 3969 | |
| 3970 | DEBUG17(qla_printk(KERN_WARNING, ha, "slot_reset\n")); |
| 3971 | |
| 3972 | /* Workaround: qla2xxx driver which access hardware earlier |
| 3973 | * needs error state to be pci_channel_io_online. |
| 3974 | * Otherwise mailbox command timesout. |
| 3975 | */ |
| 3976 | pdev->error_state = pci_channel_io_normal; |
| 3977 | |
| 3978 | pci_restore_state(pdev); |
| 3979 | |
| 3980 | /* pci_restore_state() clears the saved_state flag of the device |
| 3981 | * save restored state which resets saved_state flag |
| 3982 | */ |
| 3983 | pci_save_state(pdev); |
| 3984 | |
| 3985 | if (ha->mem_only) |
| 3986 | rc = pci_enable_device_mem(pdev); |
| 3987 | else |
| 3988 | rc = pci_enable_device(pdev); |
| 3989 | |
| 3990 | if (rc) { |
| 3991 | qla_printk(KERN_WARNING, ha, |
| 3992 | "Can't re-enable PCI device after reset.\n"); |
| 3993 | goto exit_slot_reset; |
| 3994 | } |
| 3995 | |
| 3996 | rsp = ha->rsp_q_map[0]; |
| 3997 | if (qla2x00_request_irqs(ha, rsp)) |
| 3998 | goto exit_slot_reset; |
| 3999 | |
| 4000 | if (ha->isp_ops->pci_config(base_vha)) |
| 4001 | goto exit_slot_reset; |
| 4002 | |
| 4003 | if (IS_QLA82XX(ha)) { |
| 4004 | if (qla82xx_error_recovery(base_vha) == QLA_SUCCESS) { |
| 4005 | ret = PCI_ERS_RESULT_RECOVERED; |
| 4006 | goto exit_slot_reset; |
| 4007 | } else |
| 4008 | goto exit_slot_reset; |
| 4009 | } |
| 4010 | |
| 4011 | while (ha->flags.mbox_busy && retries--) |
| 4012 | msleep(1000); |
| 4013 | |
| 4014 | set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags); |
| 4015 | if (ha->isp_ops->abort_isp(base_vha) == QLA_SUCCESS) |
| 4016 | ret = PCI_ERS_RESULT_RECOVERED; |
| 4017 | clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags); |
| 4018 | |
| 4019 | |
| 4020 | exit_slot_reset: |
| 4021 | DEBUG17(qla_printk(KERN_WARNING, ha, |
| 4022 | "slot_reset-return:ret=%x\n", ret)); |
| 4023 | |
| 4024 | return ret; |
| 4025 | } |
| 4026 | |
| 4027 | static void |
| 4028 | qla2xxx_pci_resume(struct pci_dev *pdev) |
| 4029 | { |
| 4030 | scsi_qla_host_t *base_vha = pci_get_drvdata(pdev); |
| 4031 | struct qla_hw_data *ha = base_vha->hw; |
| 4032 | int ret; |
| 4033 | |
| 4034 | DEBUG17(qla_printk(KERN_WARNING, ha, "pci_resume\n")); |
| 4035 | |
| 4036 | ret = qla2x00_wait_for_hba_online(base_vha); |
| 4037 | if (ret != QLA_SUCCESS) { |
| 4038 | qla_printk(KERN_ERR, ha, |
| 4039 | "the device failed to resume I/O " |
| 4040 | "from slot/link_reset"); |
| 4041 | } |
| 4042 | |
| 4043 | pci_cleanup_aer_uncorrect_error_status(pdev); |
| 4044 | |
| 4045 | ha->flags.eeh_busy = 0; |
| 4046 | } |
| 4047 | |
| 4048 | static struct pci_error_handlers qla2xxx_err_handler = { |
| 4049 | .error_detected = qla2xxx_pci_error_detected, |
| 4050 | .mmio_enabled = qla2xxx_pci_mmio_enabled, |
| 4051 | .slot_reset = qla2xxx_pci_slot_reset, |
| 4052 | .resume = qla2xxx_pci_resume, |
| 4053 | }; |
| 4054 | |
| 4055 | static struct pci_device_id qla2xxx_pci_tbl[] = { |
| 4056 | { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2100) }, |
| 4057 | { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2200) }, |
| 4058 | { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2300) }, |
| 4059 | { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2312) }, |
| 4060 | { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2322) }, |
| 4061 | { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6312) }, |
| 4062 | { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6322) }, |
| 4063 | { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2422) }, |
| 4064 | { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2432) }, |
| 4065 | { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8432) }, |
| 4066 | { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5422) }, |
| 4067 | { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5432) }, |
| 4068 | { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2532) }, |
| 4069 | { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8001) }, |
| 4070 | { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8021) }, |
| 4071 | { 0 }, |
| 4072 | }; |
| 4073 | MODULE_DEVICE_TABLE(pci, qla2xxx_pci_tbl); |
| 4074 | |
| 4075 | static struct pci_driver qla2xxx_pci_driver = { |
| 4076 | .name = QLA2XXX_DRIVER_NAME, |
| 4077 | .driver = { |
| 4078 | .owner = THIS_MODULE, |
| 4079 | }, |
| 4080 | .id_table = qla2xxx_pci_tbl, |
| 4081 | .probe = qla2x00_probe_one, |
| 4082 | .remove = qla2x00_remove_one, |
| 4083 | .shutdown = qla2x00_shutdown, |
| 4084 | .err_handler = &qla2xxx_err_handler, |
| 4085 | }; |
| 4086 | |
| 4087 | static struct file_operations apidev_fops = { |
| 4088 | .owner = THIS_MODULE, |
| 4089 | .llseek = noop_llseek, |
| 4090 | }; |
| 4091 | |
| 4092 | /** |
| 4093 | * qla2x00_module_init - Module initialization. |
| 4094 | **/ |
| 4095 | static int __init |
| 4096 | qla2x00_module_init(void) |
| 4097 | { |
| 4098 | int ret = 0; |
| 4099 | |
| 4100 | /* Allocate cache for SRBs. */ |
| 4101 | srb_cachep = kmem_cache_create("qla2xxx_srbs", sizeof(srb_t), 0, |
| 4102 | SLAB_HWCACHE_ALIGN, NULL); |
| 4103 | if (srb_cachep == NULL) { |
| 4104 | printk(KERN_ERR |
| 4105 | "qla2xxx: Unable to allocate SRB cache...Failing load!\n"); |
| 4106 | return -ENOMEM; |
| 4107 | } |
| 4108 | |
| 4109 | /* Derive version string. */ |
| 4110 | strcpy(qla2x00_version_str, QLA2XXX_VERSION); |
| 4111 | if (ql2xextended_error_logging) |
| 4112 | strcat(qla2x00_version_str, "-debug"); |
| 4113 | |
| 4114 | qla2xxx_transport_template = |
| 4115 | fc_attach_transport(&qla2xxx_transport_functions); |
| 4116 | if (!qla2xxx_transport_template) { |
| 4117 | kmem_cache_destroy(srb_cachep); |
| 4118 | return -ENODEV; |
| 4119 | } |
| 4120 | |
| 4121 | apidev_major = register_chrdev(0, QLA2XXX_APIDEV, &apidev_fops); |
| 4122 | if (apidev_major < 0) { |
| 4123 | printk(KERN_WARNING "qla2xxx: Unable to register char device " |
| 4124 | "%s\n", QLA2XXX_APIDEV); |
| 4125 | } |
| 4126 | |
| 4127 | qla2xxx_transport_vport_template = |
| 4128 | fc_attach_transport(&qla2xxx_transport_vport_functions); |
| 4129 | if (!qla2xxx_transport_vport_template) { |
| 4130 | kmem_cache_destroy(srb_cachep); |
| 4131 | fc_release_transport(qla2xxx_transport_template); |
| 4132 | return -ENODEV; |
| 4133 | } |
| 4134 | |
| 4135 | printk(KERN_INFO "QLogic Fibre Channel HBA Driver: %s\n", |
| 4136 | qla2x00_version_str); |
| 4137 | ret = pci_register_driver(&qla2xxx_pci_driver); |
| 4138 | if (ret) { |
| 4139 | kmem_cache_destroy(srb_cachep); |
| 4140 | fc_release_transport(qla2xxx_transport_template); |
| 4141 | fc_release_transport(qla2xxx_transport_vport_template); |
| 4142 | } |
| 4143 | return ret; |
| 4144 | } |
| 4145 | |
| 4146 | /** |
| 4147 | * qla2x00_module_exit - Module cleanup. |
| 4148 | **/ |
| 4149 | static void __exit |
| 4150 | qla2x00_module_exit(void) |
| 4151 | { |
| 4152 | unregister_chrdev(apidev_major, QLA2XXX_APIDEV); |
| 4153 | pci_unregister_driver(&qla2xxx_pci_driver); |
| 4154 | qla2x00_release_firmware(); |
| 4155 | kmem_cache_destroy(srb_cachep); |
| 4156 | if (ctx_cachep) |
| 4157 | kmem_cache_destroy(ctx_cachep); |
| 4158 | fc_release_transport(qla2xxx_transport_template); |
| 4159 | fc_release_transport(qla2xxx_transport_vport_template); |
| 4160 | } |
| 4161 | |
| 4162 | module_init(qla2x00_module_init); |
| 4163 | module_exit(qla2x00_module_exit); |
| 4164 | |
| 4165 | MODULE_AUTHOR("QLogic Corporation"); |
| 4166 | MODULE_DESCRIPTION("QLogic Fibre Channel HBA Driver"); |
| 4167 | MODULE_LICENSE("GPL"); |
| 4168 | MODULE_VERSION(QLA2XXX_VERSION); |
| 4169 | MODULE_FIRMWARE(FW_FILE_ISP21XX); |
| 4170 | MODULE_FIRMWARE(FW_FILE_ISP22XX); |
| 4171 | MODULE_FIRMWARE(FW_FILE_ISP2300); |
| 4172 | MODULE_FIRMWARE(FW_FILE_ISP2322); |
| 4173 | MODULE_FIRMWARE(FW_FILE_ISP24XX); |
| 4174 | MODULE_FIRMWARE(FW_FILE_ISP25XX); |