1/* bnx2fc.h: QLogic Linux FCoE offload driver.
2 *
3 * Copyright (c) 2008-2013 Broadcom Corporation
4 * Copyright (c) 2014-2016 QLogic Corporation
5 * Copyright (c) 2016-2017 Cavium Inc.
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation.
10 *
11 * Written by: Bhanu Prakash Gollapudi (bprakash@broadcom.com)
12 */
13
14#ifndef _BNX2FC_H_
15#define _BNX2FC_H_
16#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
17
18#include <linux/module.h>
19#include <linux/moduleparam.h>
20#include <linux/kernel.h>
21#include <linux/skbuff.h>
22#include <linux/netdevice.h>
23#include <linux/etherdevice.h>
24#include <linux/if_ether.h>
25#include <linux/if_vlan.h>
26#include <linux/kthread.h>
27#include <linux/crc32.h>
28#include <linux/cpu.h>
29#include <linux/types.h>
30#include <linux/list.h>
31#include <linux/delay.h>
32#include <linux/timer.h>
33#include <linux/errno.h>
34#include <linux/pci.h>
35#include <linux/init.h>
36#include <linux/dma-mapping.h>
37#include <linux/workqueue.h>
38#include <linux/mutex.h>
39#include <linux/spinlock.h>
40#include <linux/bitops.h>
41#include <linux/log2.h>
42#include <linux/interrupt.h>
43#include <linux/sched/signal.h>
44#include <linux/io.h>
45
46#include <scsi/scsi.h>
47#include <scsi/scsi_host.h>
48#include <scsi/scsi_device.h>
49#include <scsi/scsi_cmnd.h>
50#include <scsi/scsi_eh.h>
51#include <scsi/scsi_tcq.h>
52#include <scsi/libfc.h>
53#include <scsi/libfcoe.h>
54#include <scsi/scsi_transport.h>
55#include <scsi/scsi_transport_fc.h>
56#include <scsi/fc/fc_fip.h>
57#include <scsi/fc/fc_fc2.h>
58#include <scsi/fc_frame.h>
59#include <scsi/fc/fc_fcoe.h>
60#include <scsi/fc/fc_fcp.h>
61
62#include "57xx_hsi_bnx2fc.h"
63#include "../../net/ethernet/broadcom/cnic_if.h"
64#include "../../net/ethernet/broadcom/bnx2x/bnx2x_mfw_req.h"
65#include "bnx2fc_constants.h"
66
67#define BNX2FC_NAME "bnx2fc"
68#define BNX2FC_VERSION "2.12.13"
69
70#define PFX "bnx2fc: "
71
72#define BCM_CHIP_LEN 16
73
74#define BNX2X_DOORBELL_PCI_BAR 2
75
76#define BNX2FC_MAX_BD_LEN 0xffff
77#define BNX2FC_BD_SPLIT_SZ 0xffff
78#define BNX2FC_MAX_BDS_PER_CMD 255
79#define BNX2FC_FW_MAX_BDS_PER_CMD 255
80
81#define BNX2FC_SQ_WQES_MAX 256
82
83#define BNX2FC_SCSI_MAX_SQES ((3 * BNX2FC_SQ_WQES_MAX) / 8)
84#define BNX2FC_TM_MAX_SQES ((BNX2FC_SQ_WQES_MAX) / 2)
85#define BNX2FC_ELS_MAX_SQES (BNX2FC_TM_MAX_SQES - 1)
86
87#define BNX2FC_RQ_WQES_MAX 16
88#define BNX2FC_CQ_WQES_MAX (BNX2FC_SQ_WQES_MAX + BNX2FC_RQ_WQES_MAX)
89
90#define BNX2FC_NUM_MAX_SESS 1024
91#define BNX2FC_NUM_MAX_SESS_LOG (ilog2(BNX2FC_NUM_MAX_SESS))
92
93#define BNX2FC_MAX_NPIV 256
94
95#define BNX2FC_MIN_PAYLOAD 256
96#define BNX2FC_MAX_PAYLOAD 2048
97#define BNX2FC_MFS \
98 (BNX2FC_MAX_PAYLOAD + sizeof(struct fc_frame_header))
99#define BNX2FC_MINI_JUMBO_MTU 2500
100
101
102#define BNX2FC_RQ_BUF_SZ 256
103#define BNX2FC_RQ_BUF_LOG_SZ (ilog2(BNX2FC_RQ_BUF_SZ))
104
105#define BNX2FC_SQ_WQE_SIZE (sizeof(struct fcoe_sqe))
106#define BNX2FC_CQ_WQE_SIZE (sizeof(struct fcoe_cqe))
107#define BNX2FC_RQ_WQE_SIZE (BNX2FC_RQ_BUF_SZ)
108#define BNX2FC_XFERQ_WQE_SIZE (sizeof(struct fcoe_xfrqe))
109#define BNX2FC_CONFQ_WQE_SIZE (sizeof(struct fcoe_confqe))
110#define BNX2X_DB_SHIFT 3
111
112#define BNX2FC_TASK_SIZE 128
113#define BNX2FC_TASKS_PER_PAGE (PAGE_SIZE/BNX2FC_TASK_SIZE)
114
115#define BNX2FC_MAX_ROWS_IN_HASH_TBL 8
116#define BNX2FC_HASH_TBL_CHUNK_SIZE (16 * 1024)
117
118#define BNX2FC_MAX_SEQS 255
119#define BNX2FC_MAX_RETRY_CNT 3
120#define BNX2FC_MAX_RPORT_RETRY_CNT 255
121
122#define BNX2FC_READ (1 << 1)
123#define BNX2FC_WRITE (1 << 0)
124
125#define BNX2FC_MIN_XID 0
126#define FCOE_MAX_NUM_XIDS 0x2000
127#define FCOE_MAX_XID_OFFSET (FCOE_MAX_NUM_XIDS - 1)
128#define FCOE_XIDS_PER_CPU_OFFSET ((512 * nr_cpu_ids) - 1)
129#define BNX2FC_MAX_LUN 0xFFFF
130#define BNX2FC_MAX_FCP_TGT 256
131#define BNX2FC_MAX_CMD_LEN 16
132
133#define BNX2FC_TM_TIMEOUT 60 /* secs */
134#define BNX2FC_IO_TIMEOUT 20000UL /* msecs */
135
136#define BNX2FC_WAIT_CNT 1200
137#define BNX2FC_FW_TIMEOUT (3 * HZ)
138#define PORT_MAX 2
139
140/* FC FCP Status */
141#define FC_GOOD 0
142
143#define BNX2FC_RNID_HBA 0x7
144
145#define SRR_RETRY_COUNT 5
146#define REC_RETRY_COUNT 1
147#define BNX2FC_NUM_ERR_BITS 63
148
149#define BNX2FC_RELOGIN_WAIT_TIME 200
150#define BNX2FC_RELOGIN_WAIT_CNT 10
151
152#define BNX2FC_STATS(hba, stat, cnt) \
153 do { \
154 u32 val; \
155 \
156 val = fw_stats->stat.cnt; \
157 if (hba->prev_stats.stat.cnt <= val) \
158 val -= hba->prev_stats.stat.cnt; \
159 else \
160 val += (0xfffffff - hba->prev_stats.stat.cnt); \
161 hba->bfw_stats.cnt += val; \
162 } while (0)
163
164/* bnx2fc driver uses only one instance of fcoe_percpu_s */
165extern struct fcoe_percpu_s bnx2fc_global;
166
167extern struct workqueue_struct *bnx2fc_wq;
168
169struct bnx2fc_percpu_s {
170 struct task_struct *iothread;
171 struct list_head work_list;
172 spinlock_t fp_work_lock;
173};
174
175struct bnx2fc_fw_stats {
176 u64 fc_crc_cnt;
177 u64 fcoe_tx_pkt_cnt;
178 u64 fcoe_rx_pkt_cnt;
179 u64 fcoe_tx_byte_cnt;
180 u64 fcoe_rx_byte_cnt;
181};
182
183struct bnx2fc_hba {
184 struct list_head list;
185 struct cnic_dev *cnic;
186 struct pci_dev *pcidev;
187 struct net_device *phys_dev;
188 unsigned long reg_with_cnic;
189 #define BNX2FC_CNIC_REGISTERED 1
190 struct bnx2fc_cmd_mgr *cmd_mgr;
191 spinlock_t hba_lock;
192 struct mutex hba_mutex;
193 struct mutex hba_stats_mutex;
194 unsigned long adapter_state;
195 #define ADAPTER_STATE_UP 0
196 #define ADAPTER_STATE_GOING_DOWN 1
197 #define ADAPTER_STATE_LINK_DOWN 2
198 #define ADAPTER_STATE_READY 3
199 unsigned long flags;
200 #define BNX2FC_FLAG_FW_INIT_DONE 0
201 #define BNX2FC_FLAG_DESTROY_CMPL 1
202 u32 next_conn_id;
203
204 /* xid resources */
205 u16 max_xid;
206 u32 max_tasks;
207 u32 max_outstanding_cmds;
208 u32 elstm_xids;
209
210 struct fcoe_task_ctx_entry **task_ctx;
211 dma_addr_t *task_ctx_dma;
212 struct regpair *task_ctx_bd_tbl;
213 dma_addr_t task_ctx_bd_dma;
214
215 int hash_tbl_segment_count;
216 void **hash_tbl_segments;
217 void *hash_tbl_pbl;
218 dma_addr_t hash_tbl_pbl_dma;
219 struct fcoe_t2_hash_table_entry *t2_hash_tbl;
220 dma_addr_t t2_hash_tbl_dma;
221 char *t2_hash_tbl_ptr;
222 dma_addr_t t2_hash_tbl_ptr_dma;
223
224 char *dummy_buffer;
225 dma_addr_t dummy_buf_dma;
226
227 /* Active list of offloaded sessions */
228 struct bnx2fc_rport **tgt_ofld_list;
229
230 /* statistics */
231 struct bnx2fc_fw_stats bfw_stats;
232 struct fcoe_statistics_params prev_stats;
233 struct fcoe_statistics_params *stats_buffer;
234 dma_addr_t stats_buf_dma;
235 struct completion stat_req_done;
236 struct fcoe_capabilities fcoe_cap;
237
238 /*destroy handling */
239 struct timer_list destroy_timer;
240 wait_queue_head_t destroy_wait;
241
242 /* linkdown handling */
243 wait_queue_head_t shutdown_wait;
244 int wait_for_link_down;
245 int num_ofld_sess;
246 struct list_head vports;
247
248 char chip_num[BCM_CHIP_LEN];
249};
250
251struct bnx2fc_interface {
252 struct list_head list;
253 unsigned long if_flags;
254 #define BNX2FC_CTLR_INIT_DONE 0
255 struct bnx2fc_hba *hba;
256 struct net_device *netdev;
257 struct packet_type fcoe_packet_type;
258 struct packet_type fip_packet_type;
259 struct workqueue_struct *timer_work_queue;
260 struct kref kref;
261 u8 vlan_enabled;
262 int vlan_id;
263 bool enabled;
264 u8 tm_timeout;
265};
266
267#define bnx2fc_from_ctlr(x) \
268 ((struct bnx2fc_interface *)((x) + 1))
269
270#define bnx2fc_to_ctlr(x) \
271 ((struct fcoe_ctlr *)(((struct fcoe_ctlr *)(x)) - 1))
272
273struct bnx2fc_lport {
274 struct list_head list;
275 struct fc_lport *lport;
276};
277
278struct bnx2fc_cmd_mgr {
279 struct bnx2fc_hba *hba;
280 u16 next_idx;
281 struct list_head *free_list;
282 spinlock_t *free_list_lock;
283 struct io_bdt **io_bdt_pool;
284 struct bnx2fc_cmd **cmds;
285};
286
287struct bnx2fc_rport {
288 struct fcoe_port *port;
289 struct fc_rport *rport;
290 struct fc_rport_priv *rdata;
291 void __iomem *ctx_base;
292#define DPM_TRIGER_TYPE 0x40
293 u32 io_timeout;
294 u32 fcoe_conn_id;
295 u32 context_id;
296 u32 sid;
297 int dev_type;
298
299 unsigned long flags;
300#define BNX2FC_FLAG_SESSION_READY 0x1
301#define BNX2FC_FLAG_OFFLOADED 0x2
302#define BNX2FC_FLAG_DISABLED 0x3
303#define BNX2FC_FLAG_DESTROYED 0x4
304#define BNX2FC_FLAG_OFLD_REQ_CMPL 0x5
305#define BNX2FC_FLAG_CTX_ALLOC_FAILURE 0x6
306#define BNX2FC_FLAG_UPLD_REQ_COMPL 0x7
307#define BNX2FC_FLAG_DISABLE_FAILED 0x9
308#define BNX2FC_FLAG_ENABLED 0xa
309
310 u8 src_addr[ETH_ALEN];
311 u32 max_sqes;
312 u32 max_rqes;
313 u32 max_cqes;
314 atomic_t free_sqes;
315
316 struct b577xx_doorbell_set_prod sq_db;
317 struct b577xx_fcoe_rx_doorbell rx_db;
318
319 struct fcoe_sqe *sq;
320 dma_addr_t sq_dma;
321 u16 sq_prod_idx;
322 u8 sq_curr_toggle_bit;
323 u32 sq_mem_size;
324
325 struct fcoe_cqe *cq;
326 dma_addr_t cq_dma;
327 u16 cq_cons_idx;
328 u8 cq_curr_toggle_bit;
329 u32 cq_mem_size;
330
331 void *rq;
332 dma_addr_t rq_dma;
333 u32 rq_prod_idx;
334 u32 rq_cons_idx;
335 u32 rq_mem_size;
336
337 void *rq_pbl;
338 dma_addr_t rq_pbl_dma;
339 u32 rq_pbl_size;
340
341 struct fcoe_xfrqe *xferq;
342 dma_addr_t xferq_dma;
343 u32 xferq_mem_size;
344
345 struct fcoe_confqe *confq;
346 dma_addr_t confq_dma;
347 u32 confq_mem_size;
348
349 void *confq_pbl;
350 dma_addr_t confq_pbl_dma;
351 u32 confq_pbl_size;
352
353 struct fcoe_conn_db *conn_db;
354 dma_addr_t conn_db_dma;
355 u32 conn_db_mem_size;
356
357 struct fcoe_sqe *lcq;
358 dma_addr_t lcq_dma;
359 u32 lcq_mem_size;
360
361 void *ofld_req[4];
362 dma_addr_t ofld_req_dma[4];
363 void *enbl_req;
364 dma_addr_t enbl_req_dma;
365
366 spinlock_t tgt_lock;
367 spinlock_t cq_lock;
368 atomic_t num_active_ios;
369 u32 flush_in_prog;
370 unsigned long timestamp;
371 unsigned long retry_delay_timestamp;
372 struct list_head free_task_list;
373 struct bnx2fc_cmd *pending_queue[BNX2FC_SQ_WQES_MAX+1];
374 struct list_head active_cmd_queue;
375 struct list_head els_queue;
376 struct list_head io_retire_queue;
377 struct list_head active_tm_queue;
378
379 struct timer_list ofld_timer;
380 wait_queue_head_t ofld_wait;
381
382 struct timer_list upld_timer;
383 wait_queue_head_t upld_wait;
384};
385
386struct bnx2fc_mp_req {
387 u64 tm_lun;
388 u8 tm_flags;
389
390 u32 req_len;
391 void *req_buf;
392 dma_addr_t req_buf_dma;
393 struct fcoe_bd_ctx *mp_req_bd;
394 dma_addr_t mp_req_bd_dma;
395 struct fc_frame_header req_fc_hdr;
396
397 u32 resp_len;
398 void *resp_buf;
399 dma_addr_t resp_buf_dma;
400 struct fcoe_bd_ctx *mp_resp_bd;
401 dma_addr_t mp_resp_bd_dma;
402 struct fc_frame_header resp_fc_hdr;
403};
404
405struct bnx2fc_els_cb_arg {
406 struct bnx2fc_cmd *aborted_io_req;
407 struct bnx2fc_cmd *io_req;
408 u16 l2_oxid;
409 u32 offset;
410 enum fc_rctl r_ctl;
411};
412
413/* bnx2fc command structure */
414struct bnx2fc_cmd {
415 struct list_head link;
416 u8 on_active_queue;
417 u8 on_tmf_queue;
418 u8 cmd_type;
419#define BNX2FC_SCSI_CMD 1
420#define BNX2FC_TASK_MGMT_CMD 2
421#define BNX2FC_ABTS 3
422#define BNX2FC_ELS 4
423#define BNX2FC_CLEANUP 5
424#define BNX2FC_SEQ_CLEANUP 6
425 u8 io_req_flags;
426 struct kref refcount;
427 struct fcoe_port *port;
428 struct bnx2fc_rport *tgt;
429 struct scsi_cmnd *sc_cmd;
430 struct bnx2fc_cmd_mgr *cmd_mgr;
431 struct bnx2fc_mp_req mp_req;
432 void (*cb_func)(struct bnx2fc_els_cb_arg *cb_arg);
433 struct bnx2fc_els_cb_arg *cb_arg;
434 struct delayed_work timeout_work; /* timer for ULP timeouts */
435 struct completion abts_done;
436 struct completion cleanup_done;
437 int wait_for_abts_comp;
438 int wait_for_cleanup_comp;
439 u16 xid;
440 struct fcoe_err_report_entry err_entry;
441 struct fcoe_task_ctx_entry *task;
442 struct io_bdt *bd_tbl;
443 struct fcp_rsp *rsp;
444 size_t data_xfer_len;
445 unsigned long req_flags;
446#define BNX2FC_FLAG_ISSUE_RRQ 0x1
447#define BNX2FC_FLAG_ISSUE_ABTS 0x2
448#define BNX2FC_FLAG_ABTS_DONE 0x3
449#define BNX2FC_FLAG_TM_COMPL 0x4
450#define BNX2FC_FLAG_TM_TIMEOUT 0x5
451#define BNX2FC_FLAG_IO_CLEANUP 0x6
452#define BNX2FC_FLAG_RETIRE_OXID 0x7
453#define BNX2FC_FLAG_EH_ABORT 0x8
454#define BNX2FC_FLAG_IO_COMPL 0x9
455#define BNX2FC_FLAG_ELS_DONE 0xa
456#define BNX2FC_FLAG_ELS_TIMEOUT 0xb
457#define BNX2FC_FLAG_CMD_LOST 0xc
458#define BNX2FC_FLAG_SRR_SENT 0xd
459#define BNX2FC_FLAG_ISSUE_CLEANUP_REQ 0xe
460 u8 rec_retry;
461 u8 srr_retry;
462 u32 srr_offset;
463 u8 srr_rctl;
464 u32 fcp_resid;
465 u32 fcp_rsp_len;
466 u32 fcp_sns_len;
467 u8 cdb_status; /* SCSI IO status */
468 u8 fcp_status; /* FCP IO status */
469 u8 fcp_rsp_code;
470 u8 scsi_comp_flags;
471};
472
473struct io_bdt {
474 struct bnx2fc_cmd *io_req;
475 struct fcoe_bd_ctx *bd_tbl;
476 dma_addr_t bd_tbl_dma;
477 u16 bd_valid;
478};
479
480struct bnx2fc_work {
481 struct list_head list;
482 struct bnx2fc_rport *tgt;
483 struct fcoe_task_ctx_entry *task;
484 unsigned char rq_data[BNX2FC_RQ_BUF_SZ];
485 u16 wqe;
486 u8 num_rq;
487};
488struct bnx2fc_unsol_els {
489 struct fc_lport *lport;
490 struct fc_frame *fp;
491 struct bnx2fc_hba *hba;
492 struct work_struct unsol_els_work;
493};
494
495struct bnx2fc_priv {
496 struct bnx2fc_cmd *io_req;
497};
498
499static inline struct bnx2fc_priv *bnx2fc_priv(struct scsi_cmnd *cmd)
500{
501 return scsi_cmd_priv(cmd);
502}
503
504struct bnx2fc_cmd *bnx2fc_cmd_alloc(struct bnx2fc_rport *tgt);
505struct bnx2fc_cmd *bnx2fc_elstm_alloc(struct bnx2fc_rport *tgt, int type);
506void bnx2fc_cmd_release(struct kref *ref);
507int bnx2fc_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *sc_cmd);
508int bnx2fc_send_fw_fcoe_init_msg(struct bnx2fc_hba *hba);
509int bnx2fc_send_fw_fcoe_destroy_msg(struct bnx2fc_hba *hba);
510int bnx2fc_send_session_ofld_req(struct fcoe_port *port,
511 struct bnx2fc_rport *tgt);
512int bnx2fc_send_session_enable_req(struct fcoe_port *port,
513 struct bnx2fc_rport *tgt);
514int bnx2fc_send_session_disable_req(struct fcoe_port *port,
515 struct bnx2fc_rport *tgt);
516int bnx2fc_send_session_destroy_req(struct bnx2fc_hba *hba,
517 struct bnx2fc_rport *tgt);
518int bnx2fc_map_doorbell(struct bnx2fc_rport *tgt);
519void bnx2fc_indicate_kcqe(void *context, struct kcqe *kcq[],
520 u32 num_cqe);
521int bnx2fc_setup_task_ctx(struct bnx2fc_hba *hba);
522void bnx2fc_free_task_ctx(struct bnx2fc_hba *hba);
523int bnx2fc_setup_fw_resc(struct bnx2fc_hba *hba);
524void bnx2fc_free_fw_resc(struct bnx2fc_hba *hba);
525struct bnx2fc_cmd_mgr *bnx2fc_cmd_mgr_alloc(struct bnx2fc_hba *hba);
526void bnx2fc_cmd_mgr_free(struct bnx2fc_cmd_mgr *cmgr);
527void bnx2fc_get_link_state(struct bnx2fc_hba *hba);
528char *bnx2fc_get_next_rqe(struct bnx2fc_rport *tgt, u8 num_items);
529void bnx2fc_return_rqe(struct bnx2fc_rport *tgt, u8 num_items);
530int bnx2fc_get_paged_crc_eof(struct sk_buff *skb, int tlen);
531int bnx2fc_send_rrq(struct bnx2fc_cmd *aborted_io_req);
532int bnx2fc_send_adisc(struct bnx2fc_rport *tgt, struct fc_frame *fp);
533int (struct bnx2fc_rport *tgt, struct fc_frame *fp);
534int bnx2fc_send_rls(struct bnx2fc_rport *tgt, struct fc_frame *fp);
535int bnx2fc_initiate_cleanup(struct bnx2fc_cmd *io_req);
536int bnx2fc_initiate_abts(struct bnx2fc_cmd *io_req);
537void bnx2fc_cmd_timer_set(struct bnx2fc_cmd *io_req,
538 unsigned int timer_msec);
539int bnx2fc_init_mp_req(struct bnx2fc_cmd *io_req);
540void bnx2fc_init_cleanup_task(struct bnx2fc_cmd *io_req,
541 struct fcoe_task_ctx_entry *task,
542 u16 orig_xid);
543void bnx2fc_init_seq_cleanup_task(struct bnx2fc_cmd *seq_clnup_req,
544 struct fcoe_task_ctx_entry *task,
545 struct bnx2fc_cmd *orig_io_req,
546 u32 offset);
547void bnx2fc_init_mp_task(struct bnx2fc_cmd *io_req,
548 struct fcoe_task_ctx_entry *task);
549void bnx2fc_init_task(struct bnx2fc_cmd *io_req,
550 struct fcoe_task_ctx_entry *task);
551void bnx2fc_add_2_sq(struct bnx2fc_rport *tgt, u16 xid);
552void bnx2fc_ring_doorbell(struct bnx2fc_rport *tgt);
553int bnx2fc_eh_abort(struct scsi_cmnd *sc_cmd);
554int bnx2fc_eh_target_reset(struct scsi_cmnd *sc_cmd);
555int bnx2fc_eh_device_reset(struct scsi_cmnd *sc_cmd);
556void bnx2fc_rport_event_handler(struct fc_lport *lport,
557 struct fc_rport_priv *rport,
558 enum fc_rport_event event);
559void bnx2fc_process_scsi_cmd_compl(struct bnx2fc_cmd *io_req,
560 struct fcoe_task_ctx_entry *task,
561 u8 num_rq, unsigned char *rq_data);
562void bnx2fc_process_cleanup_compl(struct bnx2fc_cmd *io_req,
563 struct fcoe_task_ctx_entry *task,
564 u8 num_rq);
565void bnx2fc_process_abts_compl(struct bnx2fc_cmd *io_req,
566 struct fcoe_task_ctx_entry *task,
567 u8 num_rq);
568void bnx2fc_process_tm_compl(struct bnx2fc_cmd *io_req,
569 struct fcoe_task_ctx_entry *task,
570 u8 num_rq, unsigned char *rq_data);
571void bnx2fc_process_els_compl(struct bnx2fc_cmd *els_req,
572 struct fcoe_task_ctx_entry *task,
573 u8 num_rq);
574void bnx2fc_build_fcp_cmnd(struct bnx2fc_cmd *io_req,
575 struct fcp_cmnd *fcp_cmnd);
576
577
578
579void bnx2fc_flush_active_ios(struct bnx2fc_rport *tgt);
580struct fc_seq *bnx2fc_elsct_send(struct fc_lport *lport, u32 did,
581 struct fc_frame *fp, unsigned int op,
582 void (*resp)(struct fc_seq *,
583 struct fc_frame *,
584 void *),
585 void *arg, u32 timeout);
586void bnx2fc_arm_cq(struct bnx2fc_rport *tgt);
587int bnx2fc_process_new_cqes(struct bnx2fc_rport *tgt);
588void bnx2fc_process_cq_compl(struct bnx2fc_rport *tgt, u16 wqe,
589 unsigned char *rq_data, u8 num_rq,
590 struct fcoe_task_ctx_entry *task);
591struct bnx2fc_rport *bnx2fc_tgt_lookup(struct fcoe_port *port,
592 u32 port_id);
593void bnx2fc_process_l2_frame_compl(struct bnx2fc_rport *tgt,
594 unsigned char *buf,
595 u32 frame_len, u16 l2_oxid);
596int bnx2fc_send_stat_req(struct bnx2fc_hba *hba);
597int bnx2fc_post_io_req(struct bnx2fc_rport *tgt, struct bnx2fc_cmd *io_req);
598int bnx2fc_send_rec(struct bnx2fc_cmd *orig_io_req);
599int bnx2fc_send_srr(struct bnx2fc_cmd *orig_io_req, u32 offset, u8 r_ctl);
600void bnx2fc_process_seq_cleanup_compl(struct bnx2fc_cmd *seq_clnup_req,
601 struct fcoe_task_ctx_entry *task,
602 u8 rx_state);
603int bnx2fc_initiate_seq_cleanup(struct bnx2fc_cmd *orig_io_req, u32 offset,
604 enum fc_rctl r_ctl);
605
606
607#include "bnx2fc_debug.h"
608
609#endif
610

source code of linux/drivers/scsi/bnx2fc/bnx2fc.h