bfad.c 34 KB

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  1. /*
  2. * Copyright (c) 2005-2009 Brocade Communications Systems, Inc.
  3. * All rights reserved
  4. * www.brocade.com
  5. *
  6. * Linux driver for Brocade Fibre Channel Host Bus Adapter.
  7. *
  8. * This program is free software; you can redistribute it and/or modify it
  9. * under the terms of the GNU General Public License (GPL) Version 2 as
  10. * published by the Free Software Foundation
  11. *
  12. * This program is distributed in the hope that it will be useful, but
  13. * WITHOUT ANY WARRANTY; without even the implied warranty of
  14. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  15. * General Public License for more details.
  16. */
  17. /**
  18. * bfad.c Linux driver PCI interface module.
  19. */
  20. #include <linux/slab.h>
  21. #include <linux/module.h>
  22. #include <linux/kthread.h>
  23. #include "bfad_drv.h"
  24. #include "bfad_im.h"
  25. #include "bfad_tm.h"
  26. #include "bfad_ipfc.h"
  27. #include "bfad_trcmod.h"
  28. #include <fcb/bfa_fcb_vf.h>
  29. #include <fcb/bfa_fcb_rport.h>
  30. #include <fcb/bfa_fcb_port.h>
  31. #include <fcb/bfa_fcb.h>
  32. BFA_TRC_FILE(LDRV, BFAD);
  33. DEFINE_MUTEX(bfad_mutex);
  34. LIST_HEAD(bfad_list);
  35. static int bfad_inst;
  36. int bfad_supported_fc4s;
  37. static char *host_name;
  38. static char *os_name;
  39. static char *os_patch;
  40. static int num_rports;
  41. static int num_ios;
  42. static int num_tms;
  43. static int num_fcxps;
  44. static int num_ufbufs;
  45. static int reqq_size;
  46. static int rspq_size;
  47. static int num_sgpgs;
  48. static int rport_del_timeout = BFA_FCS_RPORT_DEF_DEL_TIMEOUT;
  49. static int bfa_io_max_sge = BFAD_IO_MAX_SGE;
  50. static int log_level = BFA_LOG_WARNING;
  51. static int ioc_auto_recover = BFA_TRUE;
  52. static int ipfc_enable = BFA_FALSE;
  53. static int fdmi_enable = BFA_TRUE;
  54. int bfa_lun_queue_depth = BFAD_LUN_QUEUE_DEPTH;
  55. int bfa_linkup_delay = -1;
  56. int bfa_debugfs_enable = 1;
  57. module_param(os_name, charp, S_IRUGO | S_IWUSR);
  58. MODULE_PARM_DESC(os_name, "OS name of the hba host machine");
  59. module_param(os_patch, charp, S_IRUGO | S_IWUSR);
  60. MODULE_PARM_DESC(os_patch, "OS patch level of the hba host machine");
  61. module_param(host_name, charp, S_IRUGO | S_IWUSR);
  62. MODULE_PARM_DESC(host_name, "Hostname of the hba host machine");
  63. module_param(num_rports, int, S_IRUGO | S_IWUSR);
  64. MODULE_PARM_DESC(num_rports, "Max number of rports supported per port"
  65. " (physical/logical), default=1024");
  66. module_param(num_ios, int, S_IRUGO | S_IWUSR);
  67. MODULE_PARM_DESC(num_ios, "Max number of ioim requests, default=2000");
  68. module_param(num_tms, int, S_IRUGO | S_IWUSR);
  69. MODULE_PARM_DESC(num_tms, "Max number of task im requests, default=128");
  70. module_param(num_fcxps, int, S_IRUGO | S_IWUSR);
  71. MODULE_PARM_DESC(num_fcxps, "Max number of fcxp requests, default=64");
  72. module_param(num_ufbufs, int, S_IRUGO | S_IWUSR);
  73. MODULE_PARM_DESC(num_ufbufs, "Max number of unsolicited frame buffers,"
  74. " default=64");
  75. module_param(reqq_size, int, S_IRUGO | S_IWUSR);
  76. MODULE_PARM_DESC(reqq_size, "Max number of request queue elements,"
  77. " default=256");
  78. module_param(rspq_size, int, S_IRUGO | S_IWUSR);
  79. MODULE_PARM_DESC(rspq_size, "Max number of response queue elements,"
  80. " default=64");
  81. module_param(num_sgpgs, int, S_IRUGO | S_IWUSR);
  82. MODULE_PARM_DESC(num_sgpgs, "Number of scatter/gather pages, default=2048");
  83. module_param(rport_del_timeout, int, S_IRUGO | S_IWUSR);
  84. MODULE_PARM_DESC(rport_del_timeout, "Rport delete timeout, default=90 secs,"
  85. " Range[>0]");
  86. module_param(bfa_lun_queue_depth, int, S_IRUGO | S_IWUSR);
  87. MODULE_PARM_DESC(bfa_lun_queue_depth, "Lun queue depth, default=32,"
  88. " Range[>0]");
  89. module_param(bfa_io_max_sge, int, S_IRUGO | S_IWUSR);
  90. MODULE_PARM_DESC(bfa_io_max_sge, "Max io scatter/gather elements, default=255");
  91. module_param(log_level, int, S_IRUGO | S_IWUSR);
  92. MODULE_PARM_DESC(log_level, "Driver log level, default=3,"
  93. " Range[Critical:1|Error:2|Warning:3|Info:4]");
  94. module_param(ioc_auto_recover, int, S_IRUGO | S_IWUSR);
  95. MODULE_PARM_DESC(ioc_auto_recover, "IOC auto recovery, default=1,"
  96. " Range[off:0|on:1]");
  97. module_param(ipfc_enable, int, S_IRUGO | S_IWUSR);
  98. MODULE_PARM_DESC(ipfc_enable, "Enable IPoFC, default=0, Range[off:0|on:1]");
  99. module_param(bfa_linkup_delay, int, S_IRUGO | S_IWUSR);
  100. MODULE_PARM_DESC(bfa_linkup_delay, "Link up delay, default=30 secs for boot"
  101. " port. Otherwise Range[>0]");
  102. module_param(fdmi_enable, int, S_IRUGO | S_IWUSR);
  103. MODULE_PARM_DESC(fdmi_enable, "Enables fdmi registration, default=1,"
  104. " Range[false:0|true:1]");
  105. module_param(bfa_debugfs_enable, int, S_IRUGO | S_IWUSR);
  106. MODULE_PARM_DESC(bfa_debugfs_enable, "Enables debugfs feature, default=1,"
  107. " Range[false:0|true:1]");
  108. /*
  109. * Stores the module parm num_sgpgs value;
  110. * used to reset for bfad next instance.
  111. */
  112. static int num_sgpgs_parm;
  113. static bfa_status_t
  114. bfad_fc4_probe(struct bfad_s *bfad)
  115. {
  116. int rc;
  117. rc = bfad_im_probe(bfad);
  118. if (rc != BFA_STATUS_OK)
  119. goto ext;
  120. bfad_tm_probe(bfad);
  121. if (ipfc_enable)
  122. bfad_ipfc_probe(bfad);
  123. bfad->bfad_flags |= BFAD_FC4_PROBE_DONE;
  124. ext:
  125. return rc;
  126. }
  127. static void
  128. bfad_fc4_probe_undo(struct bfad_s *bfad)
  129. {
  130. bfad_im_probe_undo(bfad);
  131. bfad_tm_probe_undo(bfad);
  132. if (ipfc_enable)
  133. bfad_ipfc_probe_undo(bfad);
  134. bfad->bfad_flags &= ~BFAD_FC4_PROBE_DONE;
  135. }
  136. static void
  137. bfad_fc4_probe_post(struct bfad_s *bfad)
  138. {
  139. if (bfad->im)
  140. bfad_im_probe_post(bfad->im);
  141. bfad_tm_probe_post(bfad);
  142. if (ipfc_enable)
  143. bfad_ipfc_probe_post(bfad);
  144. }
  145. static bfa_status_t
  146. bfad_fc4_port_new(struct bfad_s *bfad, struct bfad_port_s *port, int roles)
  147. {
  148. int rc = BFA_STATUS_FAILED;
  149. if (roles & BFA_PORT_ROLE_FCP_IM)
  150. rc = bfad_im_port_new(bfad, port);
  151. if (rc != BFA_STATUS_OK)
  152. goto ext;
  153. if (roles & BFA_PORT_ROLE_FCP_TM)
  154. rc = bfad_tm_port_new(bfad, port);
  155. if (rc != BFA_STATUS_OK)
  156. goto ext;
  157. if ((roles & BFA_PORT_ROLE_FCP_IPFC) && ipfc_enable)
  158. rc = bfad_ipfc_port_new(bfad, port, port->pvb_type);
  159. ext:
  160. return rc;
  161. }
  162. static void
  163. bfad_fc4_port_delete(struct bfad_s *bfad, struct bfad_port_s *port, int roles)
  164. {
  165. if (roles & BFA_PORT_ROLE_FCP_IM)
  166. bfad_im_port_delete(bfad, port);
  167. if (roles & BFA_PORT_ROLE_FCP_TM)
  168. bfad_tm_port_delete(bfad, port);
  169. if ((roles & BFA_PORT_ROLE_FCP_IPFC) && ipfc_enable)
  170. bfad_ipfc_port_delete(bfad, port);
  171. }
  172. /**
  173. * BFA callbacks
  174. */
  175. void
  176. bfad_hcb_comp(void *arg, bfa_status_t status)
  177. {
  178. struct bfad_hal_comp *fcomp = (struct bfad_hal_comp *)arg;
  179. fcomp->status = status;
  180. complete(&fcomp->comp);
  181. }
  182. /**
  183. * bfa_init callback
  184. */
  185. void
  186. bfa_cb_init(void *drv, bfa_status_t init_status)
  187. {
  188. struct bfad_s *bfad = drv;
  189. if (init_status == BFA_STATUS_OK) {
  190. bfad->bfad_flags |= BFAD_HAL_INIT_DONE;
  191. /* If BFAD_HAL_INIT_FAIL flag is set:
  192. * Wake up the kernel thread to start
  193. * the bfad operations after HAL init done
  194. */
  195. if ((bfad->bfad_flags & BFAD_HAL_INIT_FAIL)) {
  196. bfad->bfad_flags &= ~BFAD_HAL_INIT_FAIL;
  197. wake_up_process(bfad->bfad_tsk);
  198. }
  199. }
  200. complete(&bfad->comp);
  201. }
  202. /**
  203. * BFA_FCS callbacks
  204. */
  205. static struct bfad_port_s *
  206. bfad_get_drv_port(struct bfad_s *bfad, struct bfad_vf_s *vf_drv,
  207. struct bfad_vport_s *vp_drv)
  208. {
  209. return (vp_drv) ? (&(vp_drv)->drv_port)
  210. : ((vf_drv) ? (&(vf_drv)->base_port) : (&(bfad)->pport));
  211. }
  212. struct bfad_port_s *
  213. bfa_fcb_port_new(struct bfad_s *bfad, struct bfa_fcs_port_s *port,
  214. enum bfa_port_role roles, struct bfad_vf_s *vf_drv,
  215. struct bfad_vport_s *vp_drv)
  216. {
  217. bfa_status_t rc;
  218. struct bfad_port_s *port_drv;
  219. if (!vp_drv && !vf_drv) {
  220. port_drv = &bfad->pport;
  221. port_drv->pvb_type = BFAD_PORT_PHYS_BASE;
  222. } else if (!vp_drv && vf_drv) {
  223. port_drv = &vf_drv->base_port;
  224. port_drv->pvb_type = BFAD_PORT_VF_BASE;
  225. } else if (vp_drv && !vf_drv) {
  226. port_drv = &vp_drv->drv_port;
  227. port_drv->pvb_type = BFAD_PORT_PHYS_VPORT;
  228. } else {
  229. port_drv = &vp_drv->drv_port;
  230. port_drv->pvb_type = BFAD_PORT_VF_VPORT;
  231. }
  232. port_drv->fcs_port = port;
  233. port_drv->roles = roles;
  234. rc = bfad_fc4_port_new(bfad, port_drv, roles);
  235. if (rc != BFA_STATUS_OK) {
  236. bfad_fc4_port_delete(bfad, port_drv, roles);
  237. port_drv = NULL;
  238. }
  239. return port_drv;
  240. }
  241. void
  242. bfa_fcb_port_delete(struct bfad_s *bfad, enum bfa_port_role roles,
  243. struct bfad_vf_s *vf_drv, struct bfad_vport_s *vp_drv)
  244. {
  245. struct bfad_port_s *port_drv;
  246. /*
  247. * this will be only called from rmmod context
  248. */
  249. if (vp_drv && !vp_drv->comp_del) {
  250. port_drv = bfad_get_drv_port(bfad, vf_drv, vp_drv);
  251. bfa_trc(bfad, roles);
  252. bfad_fc4_port_delete(bfad, port_drv, roles);
  253. }
  254. }
  255. void
  256. bfa_fcb_port_online(struct bfad_s *bfad, enum bfa_port_role roles,
  257. struct bfad_vf_s *vf_drv, struct bfad_vport_s *vp_drv)
  258. {
  259. struct bfad_port_s *port_drv = bfad_get_drv_port(bfad, vf_drv, vp_drv);
  260. if (roles & BFA_PORT_ROLE_FCP_IM)
  261. bfad_im_port_online(bfad, port_drv);
  262. if (roles & BFA_PORT_ROLE_FCP_TM)
  263. bfad_tm_port_online(bfad, port_drv);
  264. if ((roles & BFA_PORT_ROLE_FCP_IPFC) && ipfc_enable)
  265. bfad_ipfc_port_online(bfad, port_drv);
  266. bfad->bfad_flags |= BFAD_PORT_ONLINE;
  267. }
  268. void
  269. bfa_fcb_port_offline(struct bfad_s *bfad, enum bfa_port_role roles,
  270. struct bfad_vf_s *vf_drv, struct bfad_vport_s *vp_drv)
  271. {
  272. struct bfad_port_s *port_drv = bfad_get_drv_port(bfad, vf_drv, vp_drv);
  273. if (roles & BFA_PORT_ROLE_FCP_IM)
  274. bfad_im_port_offline(bfad, port_drv);
  275. if (roles & BFA_PORT_ROLE_FCP_TM)
  276. bfad_tm_port_offline(bfad, port_drv);
  277. if ((roles & BFA_PORT_ROLE_FCP_IPFC) && ipfc_enable)
  278. bfad_ipfc_port_offline(bfad, port_drv);
  279. }
  280. void
  281. bfa_fcb_vport_delete(struct bfad_vport_s *vport_drv)
  282. {
  283. if (vport_drv->comp_del) {
  284. complete(vport_drv->comp_del);
  285. return;
  286. }
  287. }
  288. /**
  289. * FCS RPORT alloc callback, after successful PLOGI by FCS
  290. */
  291. bfa_status_t
  292. bfa_fcb_rport_alloc(struct bfad_s *bfad, struct bfa_fcs_rport_s **rport,
  293. struct bfad_rport_s **rport_drv)
  294. {
  295. bfa_status_t rc = BFA_STATUS_OK;
  296. *rport_drv = kzalloc(sizeof(struct bfad_rport_s), GFP_ATOMIC);
  297. if (*rport_drv == NULL) {
  298. rc = BFA_STATUS_ENOMEM;
  299. goto ext;
  300. }
  301. *rport = &(*rport_drv)->fcs_rport;
  302. ext:
  303. return rc;
  304. }
  305. /**
  306. * @brief
  307. * FCS PBC VPORT Create
  308. */
  309. void
  310. bfa_fcb_pbc_vport_create(struct bfad_s *bfad, struct bfi_pbc_vport_s pbc_vport)
  311. {
  312. struct bfad_pcfg_s *pcfg;
  313. pcfg = kzalloc(sizeof(struct bfad_pcfg_s), GFP_ATOMIC);
  314. if (!pcfg) {
  315. bfa_trc(bfad, 0);
  316. return;
  317. }
  318. pcfg->port_cfg.roles = BFA_PORT_ROLE_FCP_IM;
  319. pcfg->port_cfg.pwwn = pbc_vport.vp_pwwn;
  320. pcfg->port_cfg.nwwn = pbc_vport.vp_nwwn;
  321. pcfg->port_cfg.preboot_vp = BFA_TRUE;
  322. list_add_tail(&pcfg->list_entry, &bfad->pbc_pcfg_list);
  323. return;
  324. }
  325. void
  326. bfad_hal_mem_release(struct bfad_s *bfad)
  327. {
  328. int i;
  329. struct bfa_meminfo_s *hal_meminfo = &bfad->meminfo;
  330. struct bfa_mem_elem_s *meminfo_elem;
  331. for (i = 0; i < BFA_MEM_TYPE_MAX; i++) {
  332. meminfo_elem = &hal_meminfo->meminfo[i];
  333. if (meminfo_elem->kva != NULL) {
  334. switch (meminfo_elem->mem_type) {
  335. case BFA_MEM_TYPE_KVA:
  336. vfree(meminfo_elem->kva);
  337. break;
  338. case BFA_MEM_TYPE_DMA:
  339. dma_free_coherent(&bfad->pcidev->dev,
  340. meminfo_elem->mem_len,
  341. meminfo_elem->kva,
  342. (dma_addr_t) meminfo_elem->dma);
  343. break;
  344. default:
  345. bfa_assert(0);
  346. break;
  347. }
  348. }
  349. }
  350. memset(hal_meminfo, 0, sizeof(struct bfa_meminfo_s));
  351. }
  352. void
  353. bfad_update_hal_cfg(struct bfa_iocfc_cfg_s *bfa_cfg)
  354. {
  355. if (num_rports > 0)
  356. bfa_cfg->fwcfg.num_rports = num_rports;
  357. if (num_ios > 0)
  358. bfa_cfg->fwcfg.num_ioim_reqs = num_ios;
  359. if (num_tms > 0)
  360. bfa_cfg->fwcfg.num_tskim_reqs = num_tms;
  361. if (num_fcxps > 0)
  362. bfa_cfg->fwcfg.num_fcxp_reqs = num_fcxps;
  363. if (num_ufbufs > 0)
  364. bfa_cfg->fwcfg.num_uf_bufs = num_ufbufs;
  365. if (reqq_size > 0)
  366. bfa_cfg->drvcfg.num_reqq_elems = reqq_size;
  367. if (rspq_size > 0)
  368. bfa_cfg->drvcfg.num_rspq_elems = rspq_size;
  369. if (num_sgpgs > 0)
  370. bfa_cfg->drvcfg.num_sgpgs = num_sgpgs;
  371. /*
  372. * populate the hal values back to the driver for sysfs use.
  373. * otherwise, the default values will be shown as 0 in sysfs
  374. */
  375. num_rports = bfa_cfg->fwcfg.num_rports;
  376. num_ios = bfa_cfg->fwcfg.num_ioim_reqs;
  377. num_tms = bfa_cfg->fwcfg.num_tskim_reqs;
  378. num_fcxps = bfa_cfg->fwcfg.num_fcxp_reqs;
  379. num_ufbufs = bfa_cfg->fwcfg.num_uf_bufs;
  380. reqq_size = bfa_cfg->drvcfg.num_reqq_elems;
  381. rspq_size = bfa_cfg->drvcfg.num_rspq_elems;
  382. num_sgpgs = bfa_cfg->drvcfg.num_sgpgs;
  383. }
  384. bfa_status_t
  385. bfad_hal_mem_alloc(struct bfad_s *bfad)
  386. {
  387. struct bfa_meminfo_s *hal_meminfo = &bfad->meminfo;
  388. struct bfa_mem_elem_s *meminfo_elem;
  389. bfa_status_t rc = BFA_STATUS_OK;
  390. dma_addr_t phys_addr;
  391. int retry_count = 0;
  392. int reset_value = 1;
  393. int min_num_sgpgs = 512;
  394. void *kva;
  395. int i;
  396. bfa_cfg_get_default(&bfad->ioc_cfg);
  397. retry:
  398. bfad_update_hal_cfg(&bfad->ioc_cfg);
  399. bfad->cfg_data.ioc_queue_depth = bfad->ioc_cfg.fwcfg.num_ioim_reqs;
  400. bfa_cfg_get_meminfo(&bfad->ioc_cfg, hal_meminfo);
  401. for (i = 0; i < BFA_MEM_TYPE_MAX; i++) {
  402. meminfo_elem = &hal_meminfo->meminfo[i];
  403. switch (meminfo_elem->mem_type) {
  404. case BFA_MEM_TYPE_KVA:
  405. kva = vmalloc(meminfo_elem->mem_len);
  406. if (kva == NULL) {
  407. bfad_hal_mem_release(bfad);
  408. rc = BFA_STATUS_ENOMEM;
  409. goto ext;
  410. }
  411. memset(kva, 0, meminfo_elem->mem_len);
  412. meminfo_elem->kva = kva;
  413. break;
  414. case BFA_MEM_TYPE_DMA:
  415. kva = dma_alloc_coherent(&bfad->pcidev->dev,
  416. meminfo_elem->mem_len,
  417. &phys_addr, GFP_KERNEL);
  418. if (kva == NULL) {
  419. bfad_hal_mem_release(bfad);
  420. /*
  421. * If we cannot allocate with default
  422. * num_sgpages try with half the value.
  423. */
  424. if (num_sgpgs > min_num_sgpgs) {
  425. printk(KERN_INFO "bfad[%d]: memory"
  426. " allocation failed with"
  427. " num_sgpgs: %d\n",
  428. bfad->inst_no, num_sgpgs);
  429. nextLowerInt(&num_sgpgs);
  430. printk(KERN_INFO "bfad[%d]: trying to"
  431. " allocate memory with"
  432. " num_sgpgs: %d\n",
  433. bfad->inst_no, num_sgpgs);
  434. retry_count++;
  435. goto retry;
  436. } else {
  437. if (num_sgpgs_parm > 0)
  438. num_sgpgs = num_sgpgs_parm;
  439. else {
  440. reset_value =
  441. (1 << retry_count);
  442. num_sgpgs *= reset_value;
  443. }
  444. rc = BFA_STATUS_ENOMEM;
  445. goto ext;
  446. }
  447. }
  448. if (num_sgpgs_parm > 0)
  449. num_sgpgs = num_sgpgs_parm;
  450. else {
  451. reset_value = (1 << retry_count);
  452. num_sgpgs *= reset_value;
  453. }
  454. memset(kva, 0, meminfo_elem->mem_len);
  455. meminfo_elem->kva = kva;
  456. meminfo_elem->dma = phys_addr;
  457. break;
  458. default:
  459. break;
  460. }
  461. }
  462. ext:
  463. return rc;
  464. }
  465. /**
  466. * Create a vport under a vf.
  467. */
  468. bfa_status_t
  469. bfad_vport_create(struct bfad_s *bfad, u16 vf_id,
  470. struct bfa_port_cfg_s *port_cfg, struct device *dev)
  471. {
  472. struct bfad_vport_s *vport;
  473. int rc = BFA_STATUS_OK;
  474. unsigned long flags;
  475. struct completion fcomp;
  476. vport = kzalloc(sizeof(struct bfad_vport_s), GFP_KERNEL);
  477. if (!vport) {
  478. rc = BFA_STATUS_ENOMEM;
  479. goto ext;
  480. }
  481. vport->drv_port.bfad = bfad;
  482. spin_lock_irqsave(&bfad->bfad_lock, flags);
  483. if (port_cfg->preboot_vp == BFA_TRUE)
  484. rc = bfa_fcs_pbc_vport_create(&vport->fcs_vport,
  485. &bfad->bfa_fcs, vf_id, port_cfg, vport);
  486. else
  487. rc = bfa_fcs_vport_create(&vport->fcs_vport,
  488. &bfad->bfa_fcs, vf_id, port_cfg, vport);
  489. spin_unlock_irqrestore(&bfad->bfad_lock, flags);
  490. if (rc != BFA_STATUS_OK)
  491. goto ext_free_vport;
  492. if (port_cfg->roles & BFA_PORT_ROLE_FCP_IM) {
  493. rc = bfad_im_scsi_host_alloc(bfad, vport->drv_port.im_port,
  494. dev);
  495. if (rc != BFA_STATUS_OK)
  496. goto ext_free_fcs_vport;
  497. }
  498. spin_lock_irqsave(&bfad->bfad_lock, flags);
  499. bfa_fcs_vport_start(&vport->fcs_vport);
  500. spin_unlock_irqrestore(&bfad->bfad_lock, flags);
  501. return BFA_STATUS_OK;
  502. ext_free_fcs_vport:
  503. spin_lock_irqsave(&bfad->bfad_lock, flags);
  504. vport->comp_del = &fcomp;
  505. init_completion(vport->comp_del);
  506. bfa_fcs_vport_delete(&vport->fcs_vport);
  507. spin_unlock_irqrestore(&bfad->bfad_lock, flags);
  508. wait_for_completion(vport->comp_del);
  509. ext_free_vport:
  510. kfree(vport);
  511. ext:
  512. return rc;
  513. }
  514. /**
  515. * Create a vf and its base vport implicitely.
  516. */
  517. bfa_status_t
  518. bfad_vf_create(struct bfad_s *bfad, u16 vf_id,
  519. struct bfa_port_cfg_s *port_cfg)
  520. {
  521. struct bfad_vf_s *vf;
  522. int rc = BFA_STATUS_OK;
  523. vf = kzalloc(sizeof(struct bfad_vf_s), GFP_KERNEL);
  524. if (!vf) {
  525. rc = BFA_STATUS_FAILED;
  526. goto ext;
  527. }
  528. rc = bfa_fcs_vf_create(&vf->fcs_vf, &bfad->bfa_fcs, vf_id, port_cfg,
  529. vf);
  530. if (rc != BFA_STATUS_OK)
  531. kfree(vf);
  532. ext:
  533. return rc;
  534. }
  535. void
  536. bfad_bfa_tmo(unsigned long data)
  537. {
  538. struct bfad_s *bfad = (struct bfad_s *)data;
  539. unsigned long flags;
  540. struct list_head doneq;
  541. spin_lock_irqsave(&bfad->bfad_lock, flags);
  542. bfa_timer_tick(&bfad->bfa);
  543. bfa_comp_deq(&bfad->bfa, &doneq);
  544. spin_unlock_irqrestore(&bfad->bfad_lock, flags);
  545. if (!list_empty(&doneq)) {
  546. bfa_comp_process(&bfad->bfa, &doneq);
  547. spin_lock_irqsave(&bfad->bfad_lock, flags);
  548. bfa_comp_free(&bfad->bfa, &doneq);
  549. spin_unlock_irqrestore(&bfad->bfad_lock, flags);
  550. }
  551. mod_timer(&bfad->hal_tmo, jiffies + msecs_to_jiffies(BFA_TIMER_FREQ));
  552. }
  553. void
  554. bfad_init_timer(struct bfad_s *bfad)
  555. {
  556. init_timer(&bfad->hal_tmo);
  557. bfad->hal_tmo.function = bfad_bfa_tmo;
  558. bfad->hal_tmo.data = (unsigned long)bfad;
  559. mod_timer(&bfad->hal_tmo, jiffies + msecs_to_jiffies(BFA_TIMER_FREQ));
  560. }
  561. int
  562. bfad_pci_init(struct pci_dev *pdev, struct bfad_s *bfad)
  563. {
  564. int rc = -ENODEV;
  565. if (pci_enable_device(pdev)) {
  566. BFA_PRINTF(BFA_ERR, "pci_enable_device fail %p\n", pdev);
  567. goto out;
  568. }
  569. if (pci_request_regions(pdev, BFAD_DRIVER_NAME))
  570. goto out_disable_device;
  571. pci_set_master(pdev);
  572. if (pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) != 0)
  573. if (pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) != 0) {
  574. BFA_PRINTF(BFA_ERR, "pci_set_dma_mask fail %p\n", pdev);
  575. goto out_release_region;
  576. }
  577. bfad->pci_bar0_kva = pci_iomap(pdev, 0, pci_resource_len(pdev, 0));
  578. if (bfad->pci_bar0_kva == NULL) {
  579. BFA_PRINTF(BFA_ERR, "Fail to map bar0\n");
  580. goto out_release_region;
  581. }
  582. bfad->hal_pcidev.pci_slot = PCI_SLOT(pdev->devfn);
  583. bfad->hal_pcidev.pci_func = PCI_FUNC(pdev->devfn);
  584. bfad->hal_pcidev.pci_bar_kva = bfad->pci_bar0_kva;
  585. bfad->hal_pcidev.device_id = pdev->device;
  586. bfad->pci_name = pci_name(pdev);
  587. bfad->pci_attr.vendor_id = pdev->vendor;
  588. bfad->pci_attr.device_id = pdev->device;
  589. bfad->pci_attr.ssid = pdev->subsystem_device;
  590. bfad->pci_attr.ssvid = pdev->subsystem_vendor;
  591. bfad->pci_attr.pcifn = PCI_FUNC(pdev->devfn);
  592. bfad->pcidev = pdev;
  593. return 0;
  594. out_release_region:
  595. pci_release_regions(pdev);
  596. out_disable_device:
  597. pci_disable_device(pdev);
  598. out:
  599. return rc;
  600. }
  601. void
  602. bfad_pci_uninit(struct pci_dev *pdev, struct bfad_s *bfad)
  603. {
  604. pci_iounmap(pdev, bfad->pci_bar0_kva);
  605. pci_release_regions(pdev);
  606. pci_disable_device(pdev);
  607. pci_set_drvdata(pdev, NULL);
  608. }
  609. void
  610. bfad_fcs_port_cfg(struct bfad_s *bfad)
  611. {
  612. struct bfa_port_cfg_s port_cfg;
  613. struct bfa_pport_attr_s attr;
  614. char symname[BFA_SYMNAME_MAXLEN];
  615. sprintf(symname, "%s-%d", BFAD_DRIVER_NAME, bfad->inst_no);
  616. memcpy(port_cfg.sym_name.symname, symname, strlen(symname));
  617. bfa_fcport_get_attr(&bfad->bfa, &attr);
  618. port_cfg.nwwn = attr.nwwn;
  619. port_cfg.pwwn = attr.pwwn;
  620. bfa_fcs_cfg_base_port(&bfad->bfa_fcs, &port_cfg);
  621. }
  622. bfa_status_t
  623. bfad_drv_init(struct bfad_s *bfad)
  624. {
  625. bfa_status_t rc;
  626. unsigned long flags;
  627. struct bfa_fcs_driver_info_s driver_info;
  628. bfad->cfg_data.rport_del_timeout = rport_del_timeout;
  629. bfad->cfg_data.lun_queue_depth = bfa_lun_queue_depth;
  630. bfad->cfg_data.io_max_sge = bfa_io_max_sge;
  631. bfad->cfg_data.binding_method = FCP_PWWN_BINDING;
  632. rc = bfad_hal_mem_alloc(bfad);
  633. if (rc != BFA_STATUS_OK) {
  634. printk(KERN_WARNING "bfad%d bfad_hal_mem_alloc failure\n",
  635. bfad->inst_no);
  636. printk(KERN_WARNING
  637. "Not enough memory to attach all Brocade HBA ports,"
  638. " System may need more memory.\n");
  639. goto out_hal_mem_alloc_failure;
  640. }
  641. bfa_init_log(&bfad->bfa, bfad->logmod);
  642. bfa_init_trc(&bfad->bfa, bfad->trcmod);
  643. bfa_init_aen(&bfad->bfa, bfad->aen);
  644. memset(bfad->file_map, 0, sizeof(bfad->file_map));
  645. bfa_init_plog(&bfad->bfa, &bfad->plog_buf);
  646. bfa_plog_init(&bfad->plog_buf);
  647. bfa_plog_str(&bfad->plog_buf, BFA_PL_MID_DRVR, BFA_PL_EID_DRIVER_START,
  648. 0, "Driver Attach");
  649. bfa_attach(&bfad->bfa, bfad, &bfad->ioc_cfg, &bfad->meminfo,
  650. &bfad->hal_pcidev);
  651. init_completion(&bfad->comp);
  652. /*
  653. * Enable Interrupt and wait bfa_init completion
  654. */
  655. if (bfad_setup_intr(bfad)) {
  656. printk(KERN_WARNING "bfad%d: bfad_setup_intr failed\n",
  657. bfad->inst_no);
  658. goto out_setup_intr_failure;
  659. }
  660. spin_lock_irqsave(&bfad->bfad_lock, flags);
  661. bfa_init(&bfad->bfa);
  662. spin_unlock_irqrestore(&bfad->bfad_lock, flags);
  663. /*
  664. * Set up interrupt handler for each vectors
  665. */
  666. if ((bfad->bfad_flags & BFAD_MSIX_ON)
  667. && bfad_install_msix_handler(bfad)) {
  668. printk(KERN_WARNING "%s: install_msix failed, bfad%d\n",
  669. __func__, bfad->inst_no);
  670. }
  671. bfad_init_timer(bfad);
  672. wait_for_completion(&bfad->comp);
  673. memset(&driver_info, 0, sizeof(driver_info));
  674. strncpy(driver_info.version, BFAD_DRIVER_VERSION,
  675. sizeof(driver_info.version) - 1);
  676. if (host_name)
  677. strncpy(driver_info.host_machine_name, host_name,
  678. sizeof(driver_info.host_machine_name) - 1);
  679. if (os_name)
  680. strncpy(driver_info.host_os_name, os_name,
  681. sizeof(driver_info.host_os_name) - 1);
  682. if (os_patch)
  683. strncpy(driver_info.host_os_patch, os_patch,
  684. sizeof(driver_info.host_os_patch) - 1);
  685. strncpy(driver_info.os_device_name, bfad->pci_name,
  686. sizeof(driver_info.os_device_name - 1));
  687. /*
  688. * FCS INIT
  689. */
  690. spin_lock_irqsave(&bfad->bfad_lock, flags);
  691. bfa_fcs_log_init(&bfad->bfa_fcs, bfad->logmod);
  692. bfa_fcs_trc_init(&bfad->bfa_fcs, bfad->trcmod);
  693. bfa_fcs_aen_init(&bfad->bfa_fcs, bfad->aen);
  694. bfa_fcs_attach(&bfad->bfa_fcs, &bfad->bfa, bfad, BFA_FALSE);
  695. /* Do FCS init only when HAL init is done */
  696. if ((bfad->bfad_flags & BFAD_HAL_INIT_DONE)) {
  697. bfa_fcs_init(&bfad->bfa_fcs);
  698. bfad->bfad_flags |= BFAD_FCS_INIT_DONE;
  699. }
  700. bfa_fcs_driver_info_init(&bfad->bfa_fcs, &driver_info);
  701. bfa_fcs_set_fdmi_param(&bfad->bfa_fcs, fdmi_enable);
  702. spin_unlock_irqrestore(&bfad->bfad_lock, flags);
  703. bfad->bfad_flags |= BFAD_DRV_INIT_DONE;
  704. return BFA_STATUS_OK;
  705. out_setup_intr_failure:
  706. bfa_detach(&bfad->bfa);
  707. bfad_hal_mem_release(bfad);
  708. out_hal_mem_alloc_failure:
  709. return BFA_STATUS_FAILED;
  710. }
  711. void
  712. bfad_drv_uninit(struct bfad_s *bfad)
  713. {
  714. unsigned long flags;
  715. spin_lock_irqsave(&bfad->bfad_lock, flags);
  716. init_completion(&bfad->comp);
  717. bfa_stop(&bfad->bfa);
  718. spin_unlock_irqrestore(&bfad->bfad_lock, flags);
  719. wait_for_completion(&bfad->comp);
  720. del_timer_sync(&bfad->hal_tmo);
  721. bfa_isr_disable(&bfad->bfa);
  722. bfa_detach(&bfad->bfa);
  723. bfad_remove_intr(bfad);
  724. bfad_hal_mem_release(bfad);
  725. bfad->bfad_flags &= ~BFAD_DRV_INIT_DONE;
  726. }
  727. void
  728. bfad_drv_start(struct bfad_s *bfad)
  729. {
  730. unsigned long flags;
  731. spin_lock_irqsave(&bfad->bfad_lock, flags);
  732. bfa_start(&bfad->bfa);
  733. bfa_fcs_start(&bfad->bfa_fcs);
  734. bfad->bfad_flags |= BFAD_HAL_START_DONE;
  735. spin_unlock_irqrestore(&bfad->bfad_lock, flags);
  736. bfad_fc4_probe_post(bfad);
  737. }
  738. void
  739. bfad_drv_stop(struct bfad_s *bfad)
  740. {
  741. unsigned long flags;
  742. spin_lock_irqsave(&bfad->bfad_lock, flags);
  743. init_completion(&bfad->comp);
  744. bfad->pport.flags |= BFAD_PORT_DELETE;
  745. bfa_fcs_exit(&bfad->bfa_fcs);
  746. spin_unlock_irqrestore(&bfad->bfad_lock, flags);
  747. wait_for_completion(&bfad->comp);
  748. spin_lock_irqsave(&bfad->bfad_lock, flags);
  749. init_completion(&bfad->comp);
  750. bfa_stop(&bfad->bfa);
  751. bfad->bfad_flags &= ~BFAD_HAL_START_DONE;
  752. spin_unlock_irqrestore(&bfad->bfad_lock, flags);
  753. wait_for_completion(&bfad->comp);
  754. }
  755. bfa_status_t
  756. bfad_cfg_pport(struct bfad_s *bfad, enum bfa_port_role role)
  757. {
  758. int rc = BFA_STATUS_OK;
  759. /*
  760. * Allocate scsi_host for the physical port
  761. */
  762. if ((bfad_supported_fc4s & BFA_PORT_ROLE_FCP_IM)
  763. && (role & BFA_PORT_ROLE_FCP_IM)) {
  764. if (bfad->pport.im_port == NULL) {
  765. rc = BFA_STATUS_FAILED;
  766. goto out;
  767. }
  768. rc = bfad_im_scsi_host_alloc(bfad, bfad->pport.im_port,
  769. &bfad->pcidev->dev);
  770. if (rc != BFA_STATUS_OK)
  771. goto out;
  772. bfad->pport.roles |= BFA_PORT_ROLE_FCP_IM;
  773. }
  774. /* Setup the debugfs node for this scsi_host */
  775. if (bfa_debugfs_enable)
  776. bfad_debugfs_init(&bfad->pport);
  777. bfad->bfad_flags |= BFAD_CFG_PPORT_DONE;
  778. out:
  779. return rc;
  780. }
  781. void
  782. bfad_uncfg_pport(struct bfad_s *bfad)
  783. {
  784. /* Remove the debugfs node for this scsi_host */
  785. kfree(bfad->regdata);
  786. bfad_debugfs_exit(&bfad->pport);
  787. if ((bfad->pport.roles & BFA_PORT_ROLE_FCP_IPFC) && ipfc_enable) {
  788. bfad_ipfc_port_delete(bfad, &bfad->pport);
  789. bfad->pport.roles &= ~BFA_PORT_ROLE_FCP_IPFC;
  790. }
  791. if ((bfad_supported_fc4s & BFA_PORT_ROLE_FCP_IM)
  792. && (bfad->pport.roles & BFA_PORT_ROLE_FCP_IM)) {
  793. bfad_im_scsi_host_free(bfad, bfad->pport.im_port);
  794. bfad_im_port_clean(bfad->pport.im_port);
  795. kfree(bfad->pport.im_port);
  796. bfad->pport.roles &= ~BFA_PORT_ROLE_FCP_IM;
  797. }
  798. bfad->bfad_flags &= ~BFAD_CFG_PPORT_DONE;
  799. }
  800. void
  801. bfad_drv_log_level_set(struct bfad_s *bfad)
  802. {
  803. if (log_level > BFA_LOG_INVALID && log_level <= BFA_LOG_LEVEL_MAX)
  804. bfa_log_set_level_all(&bfad->log_data, log_level);
  805. }
  806. bfa_status_t
  807. bfad_start_ops(struct bfad_s *bfad)
  808. {
  809. int retval;
  810. struct bfad_pcfg_s *pcfg, *pcfg_new;
  811. /* PPORT FCS config */
  812. bfad_fcs_port_cfg(bfad);
  813. retval = bfad_cfg_pport(bfad, BFA_PORT_ROLE_FCP_IM);
  814. if (retval != BFA_STATUS_OK)
  815. goto out_cfg_pport_failure;
  816. /* BFAD level FC4 (IM/TM/IPFC) specific resource allocation */
  817. retval = bfad_fc4_probe(bfad);
  818. if (retval != BFA_STATUS_OK) {
  819. printk(KERN_WARNING "bfad_fc4_probe failed\n");
  820. goto out_fc4_probe_failure;
  821. }
  822. bfad_drv_start(bfad);
  823. /* pbc vport creation */
  824. list_for_each_entry_safe(pcfg, pcfg_new, &bfad->pbc_pcfg_list,
  825. list_entry) {
  826. struct fc_vport_identifiers vid;
  827. struct fc_vport *fc_vport;
  828. memset(&vid, 0, sizeof(vid));
  829. vid.roles = FC_PORT_ROLE_FCP_INITIATOR;
  830. vid.vport_type = FC_PORTTYPE_NPIV;
  831. vid.disable = false;
  832. vid.node_name = wwn_to_u64((u8 *)&pcfg->port_cfg.nwwn);
  833. vid.port_name = wwn_to_u64((u8 *)&pcfg->port_cfg.pwwn);
  834. fc_vport = fc_vport_create(bfad->pport.im_port->shost, 0, &vid);
  835. if (!fc_vport)
  836. printk(KERN_WARNING "bfad%d: failed to create pbc vport"
  837. " %llx\n", bfad->inst_no, vid.port_name);
  838. list_del(&pcfg->list_entry);
  839. kfree(pcfg);
  840. }
  841. /*
  842. * If bfa_linkup_delay is set to -1 default; try to retrive the
  843. * value using the bfad_os_get_linkup_delay(); else use the
  844. * passed in module param value as the bfa_linkup_delay.
  845. */
  846. if (bfa_linkup_delay < 0) {
  847. bfa_linkup_delay = bfad_os_get_linkup_delay(bfad);
  848. bfad_os_rport_online_wait(bfad);
  849. bfa_linkup_delay = -1;
  850. } else {
  851. bfad_os_rport_online_wait(bfad);
  852. }
  853. bfa_log(bfad->logmod, BFA_LOG_LINUX_DEVICE_CLAIMED, bfad->pci_name);
  854. return BFA_STATUS_OK;
  855. out_fc4_probe_failure:
  856. bfad_fc4_probe_undo(bfad);
  857. bfad_uncfg_pport(bfad);
  858. out_cfg_pport_failure:
  859. return BFA_STATUS_FAILED;
  860. }
  861. int
  862. bfad_worker(void *ptr)
  863. {
  864. struct bfad_s *bfad;
  865. unsigned long flags;
  866. bfad = (struct bfad_s *)ptr;
  867. while (!kthread_should_stop()) {
  868. /* Check if the FCS init is done from bfad_drv_init;
  869. * if not done do FCS init and set the flag.
  870. */
  871. if (!(bfad->bfad_flags & BFAD_FCS_INIT_DONE)) {
  872. spin_lock_irqsave(&bfad->bfad_lock, flags);
  873. bfa_fcs_init(&bfad->bfa_fcs);
  874. bfad->bfad_flags |= BFAD_FCS_INIT_DONE;
  875. spin_unlock_irqrestore(&bfad->bfad_lock, flags);
  876. }
  877. /* Start the bfad operations after HAL init done */
  878. bfad_start_ops(bfad);
  879. spin_lock_irqsave(&bfad->bfad_lock, flags);
  880. bfad->bfad_tsk = NULL;
  881. spin_unlock_irqrestore(&bfad->bfad_lock, flags);
  882. break;
  883. }
  884. return 0;
  885. }
  886. /*
  887. * PCI_entry PCI driver entries * {
  888. */
  889. /**
  890. * PCI probe entry.
  891. */
  892. int
  893. bfad_pci_probe(struct pci_dev *pdev, const struct pci_device_id *pid)
  894. {
  895. struct bfad_s *bfad;
  896. int error = -ENODEV, retval;
  897. /*
  898. * For single port cards - only claim function 0
  899. */
  900. if ((pdev->device == BFA_PCI_DEVICE_ID_FC_8G1P)
  901. && (PCI_FUNC(pdev->devfn) != 0))
  902. return -ENODEV;
  903. BFA_TRACE(BFA_INFO, "bfad_pci_probe entry");
  904. bfad = kzalloc(sizeof(struct bfad_s), GFP_KERNEL);
  905. if (!bfad) {
  906. error = -ENOMEM;
  907. goto out;
  908. }
  909. bfad->trcmod = kzalloc(sizeof(struct bfa_trc_mod_s), GFP_KERNEL);
  910. if (!bfad->trcmod) {
  911. printk(KERN_WARNING "Error alloc trace buffer!\n");
  912. error = -ENOMEM;
  913. goto out_alloc_trace_failure;
  914. }
  915. /*
  916. * LOG/TRACE INIT
  917. */
  918. bfa_trc_init(bfad->trcmod);
  919. bfa_trc(bfad, bfad_inst);
  920. bfad->logmod = &bfad->log_data;
  921. bfa_log_init(bfad->logmod, (char *)pci_name(pdev), bfa_os_printf);
  922. bfad_drv_log_level_set(bfad);
  923. bfad->aen = &bfad->aen_buf;
  924. if (!(bfad_load_fwimg(pdev))) {
  925. printk(KERN_WARNING "bfad_load_fwimg failure!\n");
  926. kfree(bfad->trcmod);
  927. goto out_alloc_trace_failure;
  928. }
  929. retval = bfad_pci_init(pdev, bfad);
  930. if (retval) {
  931. printk(KERN_WARNING "bfad_pci_init failure!\n");
  932. error = retval;
  933. goto out_pci_init_failure;
  934. }
  935. mutex_lock(&bfad_mutex);
  936. bfad->inst_no = bfad_inst++;
  937. list_add_tail(&bfad->list_entry, &bfad_list);
  938. mutex_unlock(&bfad_mutex);
  939. spin_lock_init(&bfad->bfad_lock);
  940. pci_set_drvdata(pdev, bfad);
  941. bfad->ref_count = 0;
  942. bfad->pport.bfad = bfad;
  943. INIT_LIST_HEAD(&bfad->pbc_pcfg_list);
  944. bfad->bfad_tsk = kthread_create(bfad_worker, (void *) bfad, "%s",
  945. "bfad_worker");
  946. if (IS_ERR(bfad->bfad_tsk)) {
  947. printk(KERN_INFO "bfad[%d]: Kernel thread"
  948. " creation failed!\n",
  949. bfad->inst_no);
  950. goto out_kthread_create_failure;
  951. }
  952. retval = bfad_drv_init(bfad);
  953. if (retval != BFA_STATUS_OK)
  954. goto out_drv_init_failure;
  955. if (!(bfad->bfad_flags & BFAD_HAL_INIT_DONE)) {
  956. bfad->bfad_flags |= BFAD_HAL_INIT_FAIL;
  957. printk(KERN_WARNING "bfad%d: hal init failed\n", bfad->inst_no);
  958. goto ok;
  959. }
  960. retval = bfad_start_ops(bfad);
  961. if (retval != BFA_STATUS_OK)
  962. goto out_start_ops_failure;
  963. kthread_stop(bfad->bfad_tsk);
  964. bfad->bfad_tsk = NULL;
  965. ok:
  966. return 0;
  967. out_start_ops_failure:
  968. bfad_drv_uninit(bfad);
  969. out_drv_init_failure:
  970. kthread_stop(bfad->bfad_tsk);
  971. out_kthread_create_failure:
  972. mutex_lock(&bfad_mutex);
  973. bfad_inst--;
  974. list_del(&bfad->list_entry);
  975. mutex_unlock(&bfad_mutex);
  976. bfad_pci_uninit(pdev, bfad);
  977. out_pci_init_failure:
  978. kfree(bfad->trcmod);
  979. out_alloc_trace_failure:
  980. kfree(bfad);
  981. out:
  982. return error;
  983. }
  984. /**
  985. * PCI remove entry.
  986. */
  987. void
  988. bfad_pci_remove(struct pci_dev *pdev)
  989. {
  990. struct bfad_s *bfad = pci_get_drvdata(pdev);
  991. unsigned long flags;
  992. bfa_trc(bfad, bfad->inst_no);
  993. spin_lock_irqsave(&bfad->bfad_lock, flags);
  994. if (bfad->bfad_tsk != NULL)
  995. kthread_stop(bfad->bfad_tsk);
  996. spin_unlock_irqrestore(&bfad->bfad_lock, flags);
  997. if ((bfad->bfad_flags & BFAD_DRV_INIT_DONE)
  998. && !(bfad->bfad_flags & BFAD_HAL_INIT_DONE)) {
  999. spin_lock_irqsave(&bfad->bfad_lock, flags);
  1000. init_completion(&bfad->comp);
  1001. bfa_stop(&bfad->bfa);
  1002. spin_unlock_irqrestore(&bfad->bfad_lock, flags);
  1003. wait_for_completion(&bfad->comp);
  1004. bfad_remove_intr(bfad);
  1005. del_timer_sync(&bfad->hal_tmo);
  1006. goto hal_detach;
  1007. } else if (!(bfad->bfad_flags & BFAD_DRV_INIT_DONE)) {
  1008. goto remove_sysfs;
  1009. }
  1010. if (bfad->bfad_flags & BFAD_HAL_START_DONE) {
  1011. bfad_drv_stop(bfad);
  1012. } else if (bfad->bfad_flags & BFAD_DRV_INIT_DONE) {
  1013. /* Invoking bfa_stop() before bfa_detach
  1014. * when HAL and DRV init are success
  1015. * but HAL start did not occur.
  1016. */
  1017. spin_lock_irqsave(&bfad->bfad_lock, flags);
  1018. init_completion(&bfad->comp);
  1019. bfa_stop(&bfad->bfa);
  1020. spin_unlock_irqrestore(&bfad->bfad_lock, flags);
  1021. wait_for_completion(&bfad->comp);
  1022. }
  1023. bfad_remove_intr(bfad);
  1024. del_timer_sync(&bfad->hal_tmo);
  1025. if (bfad->bfad_flags & BFAD_FC4_PROBE_DONE)
  1026. bfad_fc4_probe_undo(bfad);
  1027. if (bfad->bfad_flags & BFAD_CFG_PPORT_DONE)
  1028. bfad_uncfg_pport(bfad);
  1029. hal_detach:
  1030. spin_lock_irqsave(&bfad->bfad_lock, flags);
  1031. bfa_detach(&bfad->bfa);
  1032. spin_unlock_irqrestore(&bfad->bfad_lock, flags);
  1033. bfad_hal_mem_release(bfad);
  1034. remove_sysfs:
  1035. mutex_lock(&bfad_mutex);
  1036. bfad_inst--;
  1037. list_del(&bfad->list_entry);
  1038. mutex_unlock(&bfad_mutex);
  1039. bfad_pci_uninit(pdev, bfad);
  1040. kfree(bfad->trcmod);
  1041. kfree(bfad);
  1042. }
  1043. static struct pci_device_id bfad_id_table[] = {
  1044. {
  1045. .vendor = BFA_PCI_VENDOR_ID_BROCADE,
  1046. .device = BFA_PCI_DEVICE_ID_FC_8G2P,
  1047. .subvendor = PCI_ANY_ID,
  1048. .subdevice = PCI_ANY_ID,
  1049. },
  1050. {
  1051. .vendor = BFA_PCI_VENDOR_ID_BROCADE,
  1052. .device = BFA_PCI_DEVICE_ID_FC_8G1P,
  1053. .subvendor = PCI_ANY_ID,
  1054. .subdevice = PCI_ANY_ID,
  1055. },
  1056. {
  1057. .vendor = BFA_PCI_VENDOR_ID_BROCADE,
  1058. .device = BFA_PCI_DEVICE_ID_CT,
  1059. .subvendor = PCI_ANY_ID,
  1060. .subdevice = PCI_ANY_ID,
  1061. .class = (PCI_CLASS_SERIAL_FIBER << 8),
  1062. .class_mask = ~0,
  1063. },
  1064. {
  1065. .vendor = BFA_PCI_VENDOR_ID_BROCADE,
  1066. .device = BFA_PCI_DEVICE_ID_CT_FC,
  1067. .subvendor = PCI_ANY_ID,
  1068. .subdevice = PCI_ANY_ID,
  1069. .class = (PCI_CLASS_SERIAL_FIBER << 8),
  1070. .class_mask = ~0,
  1071. },
  1072. {0, 0},
  1073. };
  1074. MODULE_DEVICE_TABLE(pci, bfad_id_table);
  1075. static struct pci_driver bfad_pci_driver = {
  1076. .name = BFAD_DRIVER_NAME,
  1077. .id_table = bfad_id_table,
  1078. .probe = bfad_pci_probe,
  1079. .remove = __devexit_p(bfad_pci_remove),
  1080. };
  1081. /**
  1082. * Linux driver module functions
  1083. */
  1084. bfa_status_t
  1085. bfad_fc4_module_init(void)
  1086. {
  1087. int rc;
  1088. rc = bfad_im_module_init();
  1089. if (rc != BFA_STATUS_OK)
  1090. goto ext;
  1091. bfad_tm_module_init();
  1092. if (ipfc_enable)
  1093. bfad_ipfc_module_init();
  1094. ext:
  1095. return rc;
  1096. }
  1097. void
  1098. bfad_fc4_module_exit(void)
  1099. {
  1100. if (ipfc_enable)
  1101. bfad_ipfc_module_exit();
  1102. bfad_tm_module_exit();
  1103. bfad_im_module_exit();
  1104. }
  1105. /**
  1106. * Driver module init.
  1107. */
  1108. static int __init
  1109. bfad_init(void)
  1110. {
  1111. int error = 0;
  1112. printk(KERN_INFO "Brocade BFA FC/FCOE SCSI driver - version: %s\n",
  1113. BFAD_DRIVER_VERSION);
  1114. if (num_sgpgs > 0)
  1115. num_sgpgs_parm = num_sgpgs;
  1116. error = bfad_fc4_module_init();
  1117. if (error) {
  1118. error = -ENOMEM;
  1119. printk(KERN_WARNING "bfad_fc4_module_init failure\n");
  1120. goto ext;
  1121. }
  1122. if (!strcmp(FCPI_NAME, " fcpim"))
  1123. bfad_supported_fc4s |= BFA_PORT_ROLE_FCP_IM;
  1124. if (!strcmp(FCPT_NAME, " fcptm"))
  1125. bfad_supported_fc4s |= BFA_PORT_ROLE_FCP_TM;
  1126. if (!strcmp(IPFC_NAME, " ipfc"))
  1127. bfad_supported_fc4s |= BFA_PORT_ROLE_FCP_IPFC;
  1128. bfa_ioc_auto_recover(ioc_auto_recover);
  1129. bfa_fcs_rport_set_del_timeout(rport_del_timeout);
  1130. error = pci_register_driver(&bfad_pci_driver);
  1131. if (error) {
  1132. printk(KERN_WARNING "bfad pci_register_driver failure\n");
  1133. goto ext;
  1134. }
  1135. return 0;
  1136. ext:
  1137. bfad_fc4_module_exit();
  1138. return error;
  1139. }
  1140. /**
  1141. * Driver module exit.
  1142. */
  1143. static void __exit
  1144. bfad_exit(void)
  1145. {
  1146. pci_unregister_driver(&bfad_pci_driver);
  1147. bfad_fc4_module_exit();
  1148. bfad_free_fwimg();
  1149. }
  1150. #define BFAD_PROTO_NAME FCPI_NAME FCPT_NAME IPFC_NAME
  1151. module_init(bfad_init);
  1152. module_exit(bfad_exit);
  1153. MODULE_LICENSE("GPL");
  1154. MODULE_DESCRIPTION("Brocade Fibre Channel HBA Driver" BFAD_PROTO_NAME);
  1155. MODULE_AUTHOR("Brocade Communications Systems, Inc.");
  1156. MODULE_VERSION(BFAD_DRIVER_VERSION);