bnx2fc.h 16 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490491492493494495496497498499500501502503504505506507508509510511512513514515516517518519520521522523524525526527528529530531532533534535536537538539540541542543544545546547548549550551552553554555556557558559560561562563564565566567568569570571572573574575576577578579580581582583584585586587588589590591592593594
  1. /* bnx2fc.h: QLogic Linux FCoE offload driver.
  2. *
  3. * Copyright (c) 2008-2013 Broadcom Corporation
  4. * Copyright (c) 2014-2015 QLogic Corporation
  5. *
  6. * This program is free software; you can redistribute it and/or modify
  7. * it under the terms of the GNU General Public License as published by
  8. * the Free Software Foundation.
  9. *
  10. * Written by: Bhanu Prakash Gollapudi (bprakash@broadcom.com)
  11. */
  12. #ifndef _BNX2FC_H_
  13. #define _BNX2FC_H_
  14. #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
  15. #include <linux/module.h>
  16. #include <linux/moduleparam.h>
  17. #include <linux/kernel.h>
  18. #include <linux/skbuff.h>
  19. #include <linux/netdevice.h>
  20. #include <linux/etherdevice.h>
  21. #include <linux/if_ether.h>
  22. #include <linux/if_vlan.h>
  23. #include <linux/kthread.h>
  24. #include <linux/crc32.h>
  25. #include <linux/cpu.h>
  26. #include <linux/types.h>
  27. #include <linux/list.h>
  28. #include <linux/delay.h>
  29. #include <linux/timer.h>
  30. #include <linux/errno.h>
  31. #include <linux/pci.h>
  32. #include <linux/init.h>
  33. #include <linux/dma-mapping.h>
  34. #include <linux/workqueue.h>
  35. #include <linux/mutex.h>
  36. #include <linux/spinlock.h>
  37. #include <linux/bitops.h>
  38. #include <linux/log2.h>
  39. #include <linux/interrupt.h>
  40. #include <linux/sched.h>
  41. #include <linux/io.h>
  42. #include <scsi/scsi.h>
  43. #include <scsi/scsi_host.h>
  44. #include <scsi/scsi_device.h>
  45. #include <scsi/scsi_cmnd.h>
  46. #include <scsi/scsi_eh.h>
  47. #include <scsi/scsi_tcq.h>
  48. #include <scsi/libfc.h>
  49. #include <scsi/libfcoe.h>
  50. #include <scsi/fc_encode.h>
  51. #include <scsi/scsi_transport.h>
  52. #include <scsi/scsi_transport_fc.h>
  53. #include <scsi/fc/fc_fip.h>
  54. #include <scsi/fc/fc_fc2.h>
  55. #include <scsi/fc_frame.h>
  56. #include <scsi/fc/fc_fcoe.h>
  57. #include <scsi/fc/fc_fcp.h>
  58. #include "57xx_hsi_bnx2fc.h"
  59. #include "../../net/ethernet/broadcom/cnic_if.h"
  60. #include "../../net/ethernet/broadcom/bnx2x/bnx2x_mfw_req.h"
  61. #include "bnx2fc_constants.h"
  62. #define BNX2FC_NAME "bnx2fc"
  63. #define BNX2FC_VERSION "2.9.6"
  64. #define PFX "bnx2fc: "
  65. #define BCM_CHIP_LEN 16
  66. #define BNX2X_DOORBELL_PCI_BAR 2
  67. #define BNX2FC_MAX_BD_LEN 0xffff
  68. #define BNX2FC_BD_SPLIT_SZ 0x8000
  69. #define BNX2FC_MAX_BDS_PER_CMD 256
  70. #define BNX2FC_SQ_WQES_MAX 256
  71. #define BNX2FC_SCSI_MAX_SQES ((3 * BNX2FC_SQ_WQES_MAX) / 8)
  72. #define BNX2FC_TM_MAX_SQES ((BNX2FC_SQ_WQES_MAX) / 2)
  73. #define BNX2FC_ELS_MAX_SQES (BNX2FC_TM_MAX_SQES - 1)
  74. #define BNX2FC_RQ_WQES_MAX 16
  75. #define BNX2FC_CQ_WQES_MAX (BNX2FC_SQ_WQES_MAX + BNX2FC_RQ_WQES_MAX)
  76. #define BNX2FC_NUM_MAX_SESS 1024
  77. #define BNX2FC_NUM_MAX_SESS_LOG (ilog2(BNX2FC_NUM_MAX_SESS))
  78. #define BNX2FC_MAX_NPIV 256
  79. #define BNX2FC_MIN_PAYLOAD 256
  80. #define BNX2FC_MAX_PAYLOAD 2048
  81. #define BNX2FC_MFS \
  82. (BNX2FC_MAX_PAYLOAD + sizeof(struct fc_frame_header))
  83. #define BNX2FC_MINI_JUMBO_MTU 2500
  84. #define BNX2FC_RQ_BUF_SZ 256
  85. #define BNX2FC_RQ_BUF_LOG_SZ (ilog2(BNX2FC_RQ_BUF_SZ))
  86. #define BNX2FC_SQ_WQE_SIZE (sizeof(struct fcoe_sqe))
  87. #define BNX2FC_CQ_WQE_SIZE (sizeof(struct fcoe_cqe))
  88. #define BNX2FC_RQ_WQE_SIZE (BNX2FC_RQ_BUF_SZ)
  89. #define BNX2FC_XFERQ_WQE_SIZE (sizeof(struct fcoe_xfrqe))
  90. #define BNX2FC_CONFQ_WQE_SIZE (sizeof(struct fcoe_confqe))
  91. #define BNX2X_DB_SHIFT 3
  92. #define BNX2FC_TASK_SIZE 128
  93. #define BNX2FC_TASKS_PER_PAGE (PAGE_SIZE/BNX2FC_TASK_SIZE)
  94. #define BNX2FC_MAX_ROWS_IN_HASH_TBL 8
  95. #define BNX2FC_HASH_TBL_CHUNK_SIZE (16 * 1024)
  96. #define BNX2FC_MAX_SEQS 255
  97. #define BNX2FC_MAX_RETRY_CNT 3
  98. #define BNX2FC_MAX_RPORT_RETRY_CNT 255
  99. #define BNX2FC_READ (1 << 1)
  100. #define BNX2FC_WRITE (1 << 0)
  101. #define BNX2FC_MIN_XID 0
  102. #define FCOE_MAX_NUM_XIDS 0x2000
  103. #define FCOE_MAX_XID_OFFSET (FCOE_MAX_NUM_XIDS - 1)
  104. #define FCOE_XIDS_PER_CPU_OFFSET ((512 * nr_cpu_ids) - 1)
  105. #define BNX2FC_MAX_LUN 0xFFFF
  106. #define BNX2FC_MAX_FCP_TGT 256
  107. #define BNX2FC_MAX_CMD_LEN 16
  108. #define BNX2FC_TM_TIMEOUT 60 /* secs */
  109. #define BNX2FC_IO_TIMEOUT 20000UL /* msecs */
  110. #define BNX2FC_WAIT_CNT 1200
  111. #define BNX2FC_FW_TIMEOUT (3 * HZ)
  112. #define PORT_MAX 2
  113. #define CMD_SCSI_STATUS(Cmnd) ((Cmnd)->SCp.Status)
  114. /* FC FCP Status */
  115. #define FC_GOOD 0
  116. #define BNX2FC_RNID_HBA 0x7
  117. #define SRR_RETRY_COUNT 5
  118. #define REC_RETRY_COUNT 1
  119. #define BNX2FC_NUM_ERR_BITS 63
  120. #define BNX2FC_RELOGIN_WAIT_TIME 200
  121. #define BNX2FC_RELOGIN_WAIT_CNT 10
  122. #define BNX2FC_STATS(hba, stat, cnt) \
  123. do { \
  124. u32 val; \
  125. \
  126. val = fw_stats->stat.cnt; \
  127. if (hba->prev_stats.stat.cnt <= val) \
  128. val -= hba->prev_stats.stat.cnt; \
  129. else \
  130. val += (0xfffffff - hba->prev_stats.stat.cnt); \
  131. hba->bfw_stats.cnt += val; \
  132. } while (0)
  133. /* bnx2fc driver uses only one instance of fcoe_percpu_s */
  134. extern struct fcoe_percpu_s bnx2fc_global;
  135. extern struct workqueue_struct *bnx2fc_wq;
  136. struct bnx2fc_percpu_s {
  137. struct task_struct *iothread;
  138. struct list_head work_list;
  139. spinlock_t fp_work_lock;
  140. };
  141. struct bnx2fc_fw_stats {
  142. u64 fc_crc_cnt;
  143. u64 fcoe_tx_pkt_cnt;
  144. u64 fcoe_rx_pkt_cnt;
  145. u64 fcoe_tx_byte_cnt;
  146. u64 fcoe_rx_byte_cnt;
  147. };
  148. struct bnx2fc_hba {
  149. struct list_head list;
  150. struct cnic_dev *cnic;
  151. struct pci_dev *pcidev;
  152. struct net_device *phys_dev;
  153. unsigned long reg_with_cnic;
  154. #define BNX2FC_CNIC_REGISTERED 1
  155. struct bnx2fc_cmd_mgr *cmd_mgr;
  156. spinlock_t hba_lock;
  157. struct mutex hba_mutex;
  158. struct mutex hba_stats_mutex;
  159. unsigned long adapter_state;
  160. #define ADAPTER_STATE_UP 0
  161. #define ADAPTER_STATE_GOING_DOWN 1
  162. #define ADAPTER_STATE_LINK_DOWN 2
  163. #define ADAPTER_STATE_READY 3
  164. unsigned long flags;
  165. #define BNX2FC_FLAG_FW_INIT_DONE 0
  166. #define BNX2FC_FLAG_DESTROY_CMPL 1
  167. u32 next_conn_id;
  168. /* xid resources */
  169. u16 max_xid;
  170. u32 max_tasks;
  171. u32 max_outstanding_cmds;
  172. u32 elstm_xids;
  173. struct fcoe_task_ctx_entry **task_ctx;
  174. dma_addr_t *task_ctx_dma;
  175. struct regpair *task_ctx_bd_tbl;
  176. dma_addr_t task_ctx_bd_dma;
  177. int hash_tbl_segment_count;
  178. void **hash_tbl_segments;
  179. void *hash_tbl_pbl;
  180. dma_addr_t hash_tbl_pbl_dma;
  181. struct fcoe_t2_hash_table_entry *t2_hash_tbl;
  182. dma_addr_t t2_hash_tbl_dma;
  183. char *t2_hash_tbl_ptr;
  184. dma_addr_t t2_hash_tbl_ptr_dma;
  185. char *dummy_buffer;
  186. dma_addr_t dummy_buf_dma;
  187. /* Active list of offloaded sessions */
  188. struct bnx2fc_rport **tgt_ofld_list;
  189. /* statistics */
  190. struct bnx2fc_fw_stats bfw_stats;
  191. struct fcoe_statistics_params prev_stats;
  192. struct fcoe_statistics_params *stats_buffer;
  193. dma_addr_t stats_buf_dma;
  194. struct completion stat_req_done;
  195. struct fcoe_capabilities fcoe_cap;
  196. /*destroy handling */
  197. struct timer_list destroy_timer;
  198. wait_queue_head_t destroy_wait;
  199. /* linkdown handling */
  200. wait_queue_head_t shutdown_wait;
  201. int wait_for_link_down;
  202. int num_ofld_sess;
  203. struct list_head vports;
  204. char chip_num[BCM_CHIP_LEN];
  205. };
  206. struct bnx2fc_interface {
  207. struct list_head list;
  208. unsigned long if_flags;
  209. #define BNX2FC_CTLR_INIT_DONE 0
  210. struct bnx2fc_hba *hba;
  211. struct net_device *netdev;
  212. struct packet_type fcoe_packet_type;
  213. struct packet_type fip_packet_type;
  214. struct workqueue_struct *timer_work_queue;
  215. struct kref kref;
  216. u8 vlan_enabled;
  217. int vlan_id;
  218. bool enabled;
  219. };
  220. #define bnx2fc_from_ctlr(x) \
  221. ((struct bnx2fc_interface *)((x) + 1))
  222. #define bnx2fc_to_ctlr(x) \
  223. ((struct fcoe_ctlr *)(((struct fcoe_ctlr *)(x)) - 1))
  224. struct bnx2fc_lport {
  225. struct list_head list;
  226. struct fc_lport *lport;
  227. };
  228. struct bnx2fc_cmd_mgr {
  229. struct bnx2fc_hba *hba;
  230. u16 next_idx;
  231. struct list_head *free_list;
  232. spinlock_t *free_list_lock;
  233. struct io_bdt **io_bdt_pool;
  234. struct bnx2fc_cmd **cmds;
  235. };
  236. struct bnx2fc_rport {
  237. struct fcoe_port *port;
  238. struct fc_rport *rport;
  239. struct fc_rport_priv *rdata;
  240. void __iomem *ctx_base;
  241. #define DPM_TRIGER_TYPE 0x40
  242. u32 io_timeout;
  243. u32 fcoe_conn_id;
  244. u32 context_id;
  245. u32 sid;
  246. int dev_type;
  247. unsigned long flags;
  248. #define BNX2FC_FLAG_SESSION_READY 0x1
  249. #define BNX2FC_FLAG_OFFLOADED 0x2
  250. #define BNX2FC_FLAG_DISABLED 0x3
  251. #define BNX2FC_FLAG_DESTROYED 0x4
  252. #define BNX2FC_FLAG_OFLD_REQ_CMPL 0x5
  253. #define BNX2FC_FLAG_CTX_ALLOC_FAILURE 0x6
  254. #define BNX2FC_FLAG_UPLD_REQ_COMPL 0x7
  255. #define BNX2FC_FLAG_DISABLE_FAILED 0x9
  256. #define BNX2FC_FLAG_ENABLED 0xa
  257. u8 src_addr[ETH_ALEN];
  258. u32 max_sqes;
  259. u32 max_rqes;
  260. u32 max_cqes;
  261. atomic_t free_sqes;
  262. struct b577xx_doorbell_set_prod sq_db;
  263. struct b577xx_fcoe_rx_doorbell rx_db;
  264. struct fcoe_sqe *sq;
  265. dma_addr_t sq_dma;
  266. u16 sq_prod_idx;
  267. u8 sq_curr_toggle_bit;
  268. u32 sq_mem_size;
  269. struct fcoe_cqe *cq;
  270. dma_addr_t cq_dma;
  271. u16 cq_cons_idx;
  272. u8 cq_curr_toggle_bit;
  273. u32 cq_mem_size;
  274. void *rq;
  275. dma_addr_t rq_dma;
  276. u32 rq_prod_idx;
  277. u32 rq_cons_idx;
  278. u32 rq_mem_size;
  279. void *rq_pbl;
  280. dma_addr_t rq_pbl_dma;
  281. u32 rq_pbl_size;
  282. struct fcoe_xfrqe *xferq;
  283. dma_addr_t xferq_dma;
  284. u32 xferq_mem_size;
  285. struct fcoe_confqe *confq;
  286. dma_addr_t confq_dma;
  287. u32 confq_mem_size;
  288. void *confq_pbl;
  289. dma_addr_t confq_pbl_dma;
  290. u32 confq_pbl_size;
  291. struct fcoe_conn_db *conn_db;
  292. dma_addr_t conn_db_dma;
  293. u32 conn_db_mem_size;
  294. struct fcoe_sqe *lcq;
  295. dma_addr_t lcq_dma;
  296. u32 lcq_mem_size;
  297. void *ofld_req[4];
  298. dma_addr_t ofld_req_dma[4];
  299. void *enbl_req;
  300. dma_addr_t enbl_req_dma;
  301. spinlock_t tgt_lock;
  302. spinlock_t cq_lock;
  303. atomic_t num_active_ios;
  304. u32 flush_in_prog;
  305. unsigned long timestamp;
  306. unsigned long retry_delay_timestamp;
  307. struct list_head free_task_list;
  308. struct bnx2fc_cmd *pending_queue[BNX2FC_SQ_WQES_MAX+1];
  309. struct list_head active_cmd_queue;
  310. struct list_head els_queue;
  311. struct list_head io_retire_queue;
  312. struct list_head active_tm_queue;
  313. struct timer_list ofld_timer;
  314. wait_queue_head_t ofld_wait;
  315. struct timer_list upld_timer;
  316. wait_queue_head_t upld_wait;
  317. };
  318. struct bnx2fc_mp_req {
  319. u8 tm_flags;
  320. u32 req_len;
  321. void *req_buf;
  322. dma_addr_t req_buf_dma;
  323. struct fcoe_bd_ctx *mp_req_bd;
  324. dma_addr_t mp_req_bd_dma;
  325. struct fc_frame_header req_fc_hdr;
  326. u32 resp_len;
  327. void *resp_buf;
  328. dma_addr_t resp_buf_dma;
  329. struct fcoe_bd_ctx *mp_resp_bd;
  330. dma_addr_t mp_resp_bd_dma;
  331. struct fc_frame_header resp_fc_hdr;
  332. };
  333. struct bnx2fc_els_cb_arg {
  334. struct bnx2fc_cmd *aborted_io_req;
  335. struct bnx2fc_cmd *io_req;
  336. u16 l2_oxid;
  337. u32 offset;
  338. enum fc_rctl r_ctl;
  339. };
  340. /* bnx2fc command structure */
  341. struct bnx2fc_cmd {
  342. struct list_head link;
  343. u8 on_active_queue;
  344. u8 on_tmf_queue;
  345. u8 cmd_type;
  346. #define BNX2FC_SCSI_CMD 1
  347. #define BNX2FC_TASK_MGMT_CMD 2
  348. #define BNX2FC_ABTS 3
  349. #define BNX2FC_ELS 4
  350. #define BNX2FC_CLEANUP 5
  351. #define BNX2FC_SEQ_CLEANUP 6
  352. u8 io_req_flags;
  353. struct kref refcount;
  354. struct fcoe_port *port;
  355. struct bnx2fc_rport *tgt;
  356. struct scsi_cmnd *sc_cmd;
  357. struct bnx2fc_cmd_mgr *cmd_mgr;
  358. struct bnx2fc_mp_req mp_req;
  359. void (*cb_func)(struct bnx2fc_els_cb_arg *cb_arg);
  360. struct bnx2fc_els_cb_arg *cb_arg;
  361. struct delayed_work timeout_work; /* timer for ULP timeouts */
  362. struct completion tm_done;
  363. int wait_for_comp;
  364. u16 xid;
  365. struct fcoe_err_report_entry err_entry;
  366. struct fcoe_task_ctx_entry *task;
  367. struct io_bdt *bd_tbl;
  368. struct fcp_rsp *rsp;
  369. size_t data_xfer_len;
  370. unsigned long req_flags;
  371. #define BNX2FC_FLAG_ISSUE_RRQ 0x1
  372. #define BNX2FC_FLAG_ISSUE_ABTS 0x2
  373. #define BNX2FC_FLAG_ABTS_DONE 0x3
  374. #define BNX2FC_FLAG_TM_COMPL 0x4
  375. #define BNX2FC_FLAG_TM_TIMEOUT 0x5
  376. #define BNX2FC_FLAG_IO_CLEANUP 0x6
  377. #define BNX2FC_FLAG_RETIRE_OXID 0x7
  378. #define BNX2FC_FLAG_EH_ABORT 0x8
  379. #define BNX2FC_FLAG_IO_COMPL 0x9
  380. #define BNX2FC_FLAG_ELS_DONE 0xa
  381. #define BNX2FC_FLAG_ELS_TIMEOUT 0xb
  382. #define BNX2FC_FLAG_CMD_LOST 0xc
  383. #define BNX2FC_FLAG_SRR_SENT 0xd
  384. u8 rec_retry;
  385. u8 srr_retry;
  386. u32 srr_offset;
  387. u8 srr_rctl;
  388. u32 fcp_resid;
  389. u32 fcp_rsp_len;
  390. u32 fcp_sns_len;
  391. u8 cdb_status; /* SCSI IO status */
  392. u8 fcp_status; /* FCP IO status */
  393. u8 fcp_rsp_code;
  394. u8 scsi_comp_flags;
  395. };
  396. struct io_bdt {
  397. struct bnx2fc_cmd *io_req;
  398. struct fcoe_bd_ctx *bd_tbl;
  399. dma_addr_t bd_tbl_dma;
  400. u16 bd_valid;
  401. };
  402. struct bnx2fc_work {
  403. struct list_head list;
  404. struct bnx2fc_rport *tgt;
  405. u16 wqe;
  406. };
  407. struct bnx2fc_unsol_els {
  408. struct fc_lport *lport;
  409. struct fc_frame *fp;
  410. struct bnx2fc_hba *hba;
  411. struct work_struct unsol_els_work;
  412. };
  413. struct bnx2fc_cmd *bnx2fc_cmd_alloc(struct bnx2fc_rport *tgt);
  414. struct bnx2fc_cmd *bnx2fc_elstm_alloc(struct bnx2fc_rport *tgt, int type);
  415. void bnx2fc_cmd_release(struct kref *ref);
  416. int bnx2fc_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *sc_cmd);
  417. int bnx2fc_send_fw_fcoe_init_msg(struct bnx2fc_hba *hba);
  418. int bnx2fc_send_fw_fcoe_destroy_msg(struct bnx2fc_hba *hba);
  419. int bnx2fc_send_session_ofld_req(struct fcoe_port *port,
  420. struct bnx2fc_rport *tgt);
  421. int bnx2fc_send_session_enable_req(struct fcoe_port *port,
  422. struct bnx2fc_rport *tgt);
  423. int bnx2fc_send_session_disable_req(struct fcoe_port *port,
  424. struct bnx2fc_rport *tgt);
  425. int bnx2fc_send_session_destroy_req(struct bnx2fc_hba *hba,
  426. struct bnx2fc_rport *tgt);
  427. int bnx2fc_map_doorbell(struct bnx2fc_rport *tgt);
  428. void bnx2fc_indicate_kcqe(void *context, struct kcqe *kcq[],
  429. u32 num_cqe);
  430. int bnx2fc_setup_task_ctx(struct bnx2fc_hba *hba);
  431. void bnx2fc_free_task_ctx(struct bnx2fc_hba *hba);
  432. int bnx2fc_setup_fw_resc(struct bnx2fc_hba *hba);
  433. void bnx2fc_free_fw_resc(struct bnx2fc_hba *hba);
  434. struct bnx2fc_cmd_mgr *bnx2fc_cmd_mgr_alloc(struct bnx2fc_hba *hba);
  435. void bnx2fc_cmd_mgr_free(struct bnx2fc_cmd_mgr *cmgr);
  436. void bnx2fc_get_link_state(struct bnx2fc_hba *hba);
  437. char *bnx2fc_get_next_rqe(struct bnx2fc_rport *tgt, u8 num_items);
  438. void bnx2fc_return_rqe(struct bnx2fc_rport *tgt, u8 num_items);
  439. int bnx2fc_get_paged_crc_eof(struct sk_buff *skb, int tlen);
  440. int bnx2fc_send_rrq(struct bnx2fc_cmd *aborted_io_req);
  441. int bnx2fc_send_adisc(struct bnx2fc_rport *tgt, struct fc_frame *fp);
  442. int bnx2fc_send_logo(struct bnx2fc_rport *tgt, struct fc_frame *fp);
  443. int bnx2fc_send_rls(struct bnx2fc_rport *tgt, struct fc_frame *fp);
  444. int bnx2fc_initiate_cleanup(struct bnx2fc_cmd *io_req);
  445. int bnx2fc_initiate_abts(struct bnx2fc_cmd *io_req);
  446. void bnx2fc_cmd_timer_set(struct bnx2fc_cmd *io_req,
  447. unsigned int timer_msec);
  448. int bnx2fc_init_mp_req(struct bnx2fc_cmd *io_req);
  449. void bnx2fc_init_cleanup_task(struct bnx2fc_cmd *io_req,
  450. struct fcoe_task_ctx_entry *task,
  451. u16 orig_xid);
  452. void bnx2fc_init_seq_cleanup_task(struct bnx2fc_cmd *seq_clnup_req,
  453. struct fcoe_task_ctx_entry *task,
  454. struct bnx2fc_cmd *orig_io_req,
  455. u32 offset);
  456. void bnx2fc_init_mp_task(struct bnx2fc_cmd *io_req,
  457. struct fcoe_task_ctx_entry *task);
  458. void bnx2fc_init_task(struct bnx2fc_cmd *io_req,
  459. struct fcoe_task_ctx_entry *task);
  460. void bnx2fc_add_2_sq(struct bnx2fc_rport *tgt, u16 xid);
  461. void bnx2fc_ring_doorbell(struct bnx2fc_rport *tgt);
  462. int bnx2fc_eh_abort(struct scsi_cmnd *sc_cmd);
  463. int bnx2fc_eh_host_reset(struct scsi_cmnd *sc_cmd);
  464. int bnx2fc_eh_target_reset(struct scsi_cmnd *sc_cmd);
  465. int bnx2fc_eh_device_reset(struct scsi_cmnd *sc_cmd);
  466. void bnx2fc_rport_event_handler(struct fc_lport *lport,
  467. struct fc_rport_priv *rport,
  468. enum fc_rport_event event);
  469. void bnx2fc_process_scsi_cmd_compl(struct bnx2fc_cmd *io_req,
  470. struct fcoe_task_ctx_entry *task,
  471. u8 num_rq);
  472. void bnx2fc_process_cleanup_compl(struct bnx2fc_cmd *io_req,
  473. struct fcoe_task_ctx_entry *task,
  474. u8 num_rq);
  475. void bnx2fc_process_abts_compl(struct bnx2fc_cmd *io_req,
  476. struct fcoe_task_ctx_entry *task,
  477. u8 num_rq);
  478. void bnx2fc_process_tm_compl(struct bnx2fc_cmd *io_req,
  479. struct fcoe_task_ctx_entry *task,
  480. u8 num_rq);
  481. void bnx2fc_process_els_compl(struct bnx2fc_cmd *els_req,
  482. struct fcoe_task_ctx_entry *task,
  483. u8 num_rq);
  484. void bnx2fc_build_fcp_cmnd(struct bnx2fc_cmd *io_req,
  485. struct fcp_cmnd *fcp_cmnd);
  486. void bnx2fc_flush_active_ios(struct bnx2fc_rport *tgt);
  487. struct fc_seq *bnx2fc_elsct_send(struct fc_lport *lport, u32 did,
  488. struct fc_frame *fp, unsigned int op,
  489. void (*resp)(struct fc_seq *,
  490. struct fc_frame *,
  491. void *),
  492. void *arg, u32 timeout);
  493. void bnx2fc_arm_cq(struct bnx2fc_rport *tgt);
  494. int bnx2fc_process_new_cqes(struct bnx2fc_rport *tgt);
  495. void bnx2fc_process_cq_compl(struct bnx2fc_rport *tgt, u16 wqe);
  496. struct bnx2fc_rport *bnx2fc_tgt_lookup(struct fcoe_port *port,
  497. u32 port_id);
  498. void bnx2fc_process_l2_frame_compl(struct bnx2fc_rport *tgt,
  499. unsigned char *buf,
  500. u32 frame_len, u16 l2_oxid);
  501. int bnx2fc_send_stat_req(struct bnx2fc_hba *hba);
  502. int bnx2fc_post_io_req(struct bnx2fc_rport *tgt, struct bnx2fc_cmd *io_req);
  503. int bnx2fc_send_rec(struct bnx2fc_cmd *orig_io_req);
  504. int bnx2fc_send_srr(struct bnx2fc_cmd *orig_io_req, u32 offset, u8 r_ctl);
  505. void bnx2fc_process_seq_cleanup_compl(struct bnx2fc_cmd *seq_clnup_req,
  506. struct fcoe_task_ctx_entry *task,
  507. u8 rx_state);
  508. int bnx2fc_initiate_seq_cleanup(struct bnx2fc_cmd *orig_io_req, u32 offset,
  509. enum fc_rctl r_ctl);
  510. #include "bnx2fc_debug.h"
  511. #endif