xref: /openbmc/linux/drivers/scsi/bnx2fc/bnx2fc.h (revision 36bccb11)
1 #ifndef _BNX2FC_H_
2 #define _BNX2FC_H_
3 /* bnx2fc.h: Broadcom NetXtreme II Linux FCoE offload driver.
4  *
5  * Copyright (c) 2008 - 2013 Broadcom Corporation
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 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
15 
16 #include <linux/module.h>
17 #include <linux/moduleparam.h>
18 #include <linux/kernel.h>
19 #include <linux/skbuff.h>
20 #include <linux/netdevice.h>
21 #include <linux/etherdevice.h>
22 #include <linux/if_ether.h>
23 #include <linux/if_vlan.h>
24 #include <linux/kthread.h>
25 #include <linux/crc32.h>
26 #include <linux/cpu.h>
27 #include <linux/types.h>
28 #include <linux/list.h>
29 #include <linux/delay.h>
30 #include <linux/timer.h>
31 #include <linux/errno.h>
32 #include <linux/pci.h>
33 #include <linux/init.h>
34 #include <linux/dma-mapping.h>
35 #include <linux/workqueue.h>
36 #include <linux/mutex.h>
37 #include <linux/spinlock.h>
38 #include <linux/bitops.h>
39 #include <linux/log2.h>
40 #include <linux/interrupt.h>
41 #include <linux/sched.h>
42 #include <linux/io.h>
43 
44 #include <scsi/scsi.h>
45 #include <scsi/scsi_host.h>
46 #include <scsi/scsi_device.h>
47 #include <scsi/scsi_cmnd.h>
48 #include <scsi/scsi_eh.h>
49 #include <scsi/scsi_tcq.h>
50 #include <scsi/libfc.h>
51 #include <scsi/libfcoe.h>
52 #include <scsi/fc_encode.h>
53 #include <scsi/scsi_transport.h>
54 #include <scsi/scsi_transport_fc.h>
55 #include <scsi/fc/fc_fip.h>
56 #include <scsi/fc/fc_fc2.h>
57 #include <scsi/fc_frame.h>
58 #include <scsi/fc/fc_fcoe.h>
59 #include <scsi/fc/fc_fcp.h>
60 
61 #include "57xx_hsi_bnx2fc.h"
62 #include "../../net/ethernet/broadcom/cnic_if.h"
63 #include  "../../net/ethernet/broadcom/bnx2x/bnx2x_mfw_req.h"
64 #include "bnx2fc_constants.h"
65 
66 #define BNX2FC_NAME		"bnx2fc"
67 #define BNX2FC_VERSION		"2.4.2"
68 
69 #define PFX			"bnx2fc: "
70 
71 #define BCM_CHIP_LEN		16
72 
73 #define BNX2X_DOORBELL_PCI_BAR		2
74 
75 #define BNX2FC_MAX_BD_LEN		0xffff
76 #define BNX2FC_BD_SPLIT_SZ		0x8000
77 #define BNX2FC_MAX_BDS_PER_CMD		256
78 
79 #define BNX2FC_SQ_WQES_MAX	256
80 
81 #define BNX2FC_SCSI_MAX_SQES	((3 * BNX2FC_SQ_WQES_MAX) / 8)
82 #define BNX2FC_TM_MAX_SQES	((BNX2FC_SQ_WQES_MAX) / 2)
83 #define BNX2FC_ELS_MAX_SQES	(BNX2FC_TM_MAX_SQES - 1)
84 
85 #define BNX2FC_RQ_WQES_MAX	16
86 #define BNX2FC_CQ_WQES_MAX	(BNX2FC_SQ_WQES_MAX + BNX2FC_RQ_WQES_MAX)
87 
88 #define BNX2FC_NUM_MAX_SESS	1024
89 #define BNX2FC_NUM_MAX_SESS_LOG	(ilog2(BNX2FC_NUM_MAX_SESS))
90 
91 #define BNX2FC_MAX_NPIV		256
92 
93 #define BNX2FC_MIN_PAYLOAD		256
94 #define BNX2FC_MAX_PAYLOAD		2048
95 #define BNX2FC_MFS			\
96 			(BNX2FC_MAX_PAYLOAD + sizeof(struct fc_frame_header))
97 #define BNX2FC_MINI_JUMBO_MTU		2500
98 
99 
100 #define BNX2FC_RQ_BUF_SZ		256
101 #define BNX2FC_RQ_BUF_LOG_SZ		(ilog2(BNX2FC_RQ_BUF_SZ))
102 
103 #define BNX2FC_SQ_WQE_SIZE		(sizeof(struct fcoe_sqe))
104 #define BNX2FC_CQ_WQE_SIZE		(sizeof(struct fcoe_cqe))
105 #define BNX2FC_RQ_WQE_SIZE		(BNX2FC_RQ_BUF_SZ)
106 #define BNX2FC_XFERQ_WQE_SIZE		(sizeof(struct fcoe_xfrqe))
107 #define BNX2FC_CONFQ_WQE_SIZE		(sizeof(struct fcoe_confqe))
108 #define BNX2X_DB_SHIFT			3
109 
110 #define BNX2FC_TASK_SIZE		128
111 #define	BNX2FC_TASKS_PER_PAGE		(PAGE_SIZE/BNX2FC_TASK_SIZE)
112 
113 #define BNX2FC_MAX_ROWS_IN_HASH_TBL	8
114 #define BNX2FC_HASH_TBL_CHUNK_SIZE	(16 * 1024)
115 
116 #define BNX2FC_MAX_SEQS			255
117 #define BNX2FC_MAX_RETRY_CNT		3
118 #define BNX2FC_MAX_RPORT_RETRY_CNT	255
119 
120 #define BNX2FC_READ			(1 << 1)
121 #define BNX2FC_WRITE			(1 << 0)
122 
123 #define BNX2FC_MIN_XID			0
124 #define FCOE_MAX_NUM_XIDS		0x2000
125 #define FCOE_MAX_XID_OFFSET		(FCOE_MAX_NUM_XIDS - 1)
126 #define FCOE_XIDS_PER_CPU_OFFSET	((512 * nr_cpu_ids) - 1)
127 #define BNX2FC_MAX_LUN			0xFFFF
128 #define BNX2FC_MAX_FCP_TGT		256
129 #define BNX2FC_MAX_CMD_LEN		16
130 
131 #define BNX2FC_TM_TIMEOUT		60	/* secs */
132 #define BNX2FC_IO_TIMEOUT		20000UL	/* msecs */
133 
134 #define BNX2FC_WAIT_CNT			1200
135 #define BNX2FC_FW_TIMEOUT		(3 * HZ)
136 #define PORT_MAX			2
137 
138 #define CMD_SCSI_STATUS(Cmnd)		((Cmnd)->SCp.Status)
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 */
165 extern struct fcoe_percpu_s bnx2fc_global;
166 
167 extern struct workqueue_struct *bnx2fc_wq;
168 
169 struct bnx2fc_percpu_s {
170 	struct task_struct *iothread;
171 	struct list_head work_list;
172 	spinlock_t fp_work_lock;
173 };
174 
175 struct 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 
183 struct 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 	unsigned long adapter_state;
194 		#define ADAPTER_STATE_UP		0
195 		#define ADAPTER_STATE_GOING_DOWN	1
196 		#define ADAPTER_STATE_LINK_DOWN		2
197 		#define ADAPTER_STATE_READY		3
198 	unsigned long flags;
199 		#define BNX2FC_FLAG_FW_INIT_DONE	0
200 		#define BNX2FC_FLAG_DESTROY_CMPL	1
201 	u32 next_conn_id;
202 
203 	/* xid resources */
204 	u16 max_xid;
205 	u32 max_tasks;
206 	u32 max_outstanding_cmds;
207 	u32 elstm_xids;
208 
209 	struct fcoe_task_ctx_entry **task_ctx;
210 	dma_addr_t *task_ctx_dma;
211 	struct regpair *task_ctx_bd_tbl;
212 	dma_addr_t task_ctx_bd_dma;
213 
214 	int hash_tbl_segment_count;
215 	void **hash_tbl_segments;
216 	void *hash_tbl_pbl;
217 	dma_addr_t hash_tbl_pbl_dma;
218 	struct fcoe_t2_hash_table_entry *t2_hash_tbl;
219 	dma_addr_t t2_hash_tbl_dma;
220 	char *t2_hash_tbl_ptr;
221 	dma_addr_t t2_hash_tbl_ptr_dma;
222 
223 	char *dummy_buffer;
224 	dma_addr_t dummy_buf_dma;
225 
226 	/* Active list of offloaded sessions */
227 	struct bnx2fc_rport **tgt_ofld_list;
228 
229 	/* statistics */
230 	struct bnx2fc_fw_stats bfw_stats;
231 	struct fcoe_statistics_params prev_stats;
232 	struct fcoe_statistics_params *stats_buffer;
233 	dma_addr_t stats_buf_dma;
234 	struct completion stat_req_done;
235 	struct fcoe_capabilities fcoe_cap;
236 
237 	/*destroy handling */
238 	struct timer_list destroy_timer;
239 	wait_queue_head_t destroy_wait;
240 
241 	/* linkdown handling */
242 	wait_queue_head_t shutdown_wait;
243 	int wait_for_link_down;
244 	int num_ofld_sess;
245 	struct list_head vports;
246 
247 	char chip_num[BCM_CHIP_LEN];
248 };
249 
250 struct bnx2fc_interface {
251 	struct list_head list;
252 	unsigned long if_flags;
253 		#define BNX2FC_CTLR_INIT_DONE		0
254 	struct bnx2fc_hba *hba;
255 	struct net_device *netdev;
256 	struct packet_type fcoe_packet_type;
257 	struct packet_type fip_packet_type;
258 	struct workqueue_struct *timer_work_queue;
259 	struct kref kref;
260 	u8 vlan_enabled;
261 	int vlan_id;
262 	bool enabled;
263 };
264 
265 #define bnx2fc_from_ctlr(x)			\
266 	((struct bnx2fc_interface *)((x) + 1))
267 
268 #define bnx2fc_to_ctlr(x)					\
269 	((struct fcoe_ctlr *)(((struct fcoe_ctlr *)(x)) - 1))
270 
271 struct bnx2fc_lport {
272 	struct list_head list;
273 	struct fc_lport *lport;
274 };
275 
276 struct bnx2fc_cmd_mgr {
277 	struct bnx2fc_hba *hba;
278 	u16 next_idx;
279 	struct list_head *free_list;
280 	spinlock_t *free_list_lock;
281 	struct io_bdt **io_bdt_pool;
282 	struct bnx2fc_cmd **cmds;
283 };
284 
285 struct bnx2fc_rport {
286 	struct fcoe_port *port;
287 	struct fc_rport *rport;
288 	struct fc_rport_priv *rdata;
289 	void __iomem *ctx_base;
290 #define DPM_TRIGER_TYPE		0x40
291 	u32 io_timeout;
292 	u32 fcoe_conn_id;
293 	u32 context_id;
294 	u32 sid;
295 	int dev_type;
296 
297 	unsigned long flags;
298 #define BNX2FC_FLAG_SESSION_READY	0x1
299 #define BNX2FC_FLAG_OFFLOADED		0x2
300 #define BNX2FC_FLAG_DISABLED		0x3
301 #define BNX2FC_FLAG_DESTROYED		0x4
302 #define BNX2FC_FLAG_OFLD_REQ_CMPL	0x5
303 #define BNX2FC_FLAG_CTX_ALLOC_FAILURE	0x6
304 #define BNX2FC_FLAG_UPLD_REQ_COMPL	0x7
305 #define BNX2FC_FLAG_EXPL_LOGO		0x8
306 #define BNX2FC_FLAG_DISABLE_FAILED	0x9
307 #define BNX2FC_FLAG_ENABLED		0xa
308 
309 	u8 src_addr[ETH_ALEN];
310 	u32 max_sqes;
311 	u32 max_rqes;
312 	u32 max_cqes;
313 	atomic_t free_sqes;
314 
315 	struct b577xx_doorbell_set_prod sq_db;
316 	struct b577xx_fcoe_rx_doorbell rx_db;
317 
318 	struct fcoe_sqe *sq;
319 	dma_addr_t sq_dma;
320 	u16 sq_prod_idx;
321 	u8 sq_curr_toggle_bit;
322 	u32 sq_mem_size;
323 
324 	struct fcoe_cqe *cq;
325 	dma_addr_t cq_dma;
326 	u16 cq_cons_idx;
327 	u8 cq_curr_toggle_bit;
328 	u32 cq_mem_size;
329 
330 	void *rq;
331 	dma_addr_t rq_dma;
332 	u32 rq_prod_idx;
333 	u32 rq_cons_idx;
334 	u32 rq_mem_size;
335 
336 	void *rq_pbl;
337 	dma_addr_t rq_pbl_dma;
338 	u32 rq_pbl_size;
339 
340 	struct fcoe_xfrqe *xferq;
341 	dma_addr_t xferq_dma;
342 	u32 xferq_mem_size;
343 
344 	struct fcoe_confqe *confq;
345 	dma_addr_t confq_dma;
346 	u32 confq_mem_size;
347 
348 	void *confq_pbl;
349 	dma_addr_t confq_pbl_dma;
350 	u32 confq_pbl_size;
351 
352 	struct fcoe_conn_db *conn_db;
353 	dma_addr_t conn_db_dma;
354 	u32 conn_db_mem_size;
355 
356 	struct fcoe_sqe *lcq;
357 	dma_addr_t lcq_dma;
358 	u32 lcq_mem_size;
359 
360 	void *ofld_req[4];
361 	dma_addr_t ofld_req_dma[4];
362 	void *enbl_req;
363 	dma_addr_t enbl_req_dma;
364 
365 	spinlock_t tgt_lock;
366 	spinlock_t cq_lock;
367 	atomic_t num_active_ios;
368 	u32 flush_in_prog;
369 	unsigned long timestamp;
370 	unsigned long retry_delay_timestamp;
371 	struct list_head free_task_list;
372 	struct bnx2fc_cmd *pending_queue[BNX2FC_SQ_WQES_MAX+1];
373 	struct list_head active_cmd_queue;
374 	struct list_head els_queue;
375 	struct list_head io_retire_queue;
376 	struct list_head active_tm_queue;
377 
378 	struct timer_list ofld_timer;
379 	wait_queue_head_t ofld_wait;
380 
381 	struct timer_list upld_timer;
382 	wait_queue_head_t upld_wait;
383 };
384 
385 struct bnx2fc_mp_req {
386 	u8 tm_flags;
387 
388 	u32 req_len;
389 	void *req_buf;
390 	dma_addr_t req_buf_dma;
391 	struct fcoe_bd_ctx *mp_req_bd;
392 	dma_addr_t mp_req_bd_dma;
393 	struct fc_frame_header req_fc_hdr;
394 
395 	u32 resp_len;
396 	void *resp_buf;
397 	dma_addr_t resp_buf_dma;
398 	struct fcoe_bd_ctx *mp_resp_bd;
399 	dma_addr_t mp_resp_bd_dma;
400 	struct fc_frame_header resp_fc_hdr;
401 };
402 
403 struct bnx2fc_els_cb_arg {
404 	struct bnx2fc_cmd *aborted_io_req;
405 	struct bnx2fc_cmd *io_req;
406 	u16 l2_oxid;
407 	u32 offset;
408 	enum fc_rctl r_ctl;
409 };
410 
411 /* bnx2fc command structure */
412 struct bnx2fc_cmd {
413 	struct list_head link;
414 	u8 on_active_queue;
415 	u8 on_tmf_queue;
416 	u8 cmd_type;
417 #define BNX2FC_SCSI_CMD		1
418 #define BNX2FC_TASK_MGMT_CMD		2
419 #define BNX2FC_ABTS			3
420 #define BNX2FC_ELS			4
421 #define BNX2FC_CLEANUP			5
422 #define BNX2FC_SEQ_CLEANUP		6
423 	u8 io_req_flags;
424 	struct kref refcount;
425 	struct fcoe_port *port;
426 	struct bnx2fc_rport *tgt;
427 	struct scsi_cmnd *sc_cmd;
428 	struct bnx2fc_cmd_mgr *cmd_mgr;
429 	struct bnx2fc_mp_req mp_req;
430 	void (*cb_func)(struct bnx2fc_els_cb_arg *cb_arg);
431 	struct bnx2fc_els_cb_arg *cb_arg;
432 	struct delayed_work timeout_work; /* timer for ULP timeouts */
433 	struct completion tm_done;
434 	int wait_for_comp;
435 	u16 xid;
436 	struct fcoe_err_report_entry err_entry;
437 	struct fcoe_task_ctx_entry *task;
438 	struct io_bdt *bd_tbl;
439 	struct fcp_rsp *rsp;
440 	size_t data_xfer_len;
441 	unsigned long req_flags;
442 #define BNX2FC_FLAG_ISSUE_RRQ		0x1
443 #define BNX2FC_FLAG_ISSUE_ABTS		0x2
444 #define BNX2FC_FLAG_ABTS_DONE		0x3
445 #define BNX2FC_FLAG_TM_COMPL		0x4
446 #define BNX2FC_FLAG_TM_TIMEOUT		0x5
447 #define BNX2FC_FLAG_IO_CLEANUP		0x6
448 #define BNX2FC_FLAG_RETIRE_OXID		0x7
449 #define	BNX2FC_FLAG_EH_ABORT		0x8
450 #define BNX2FC_FLAG_IO_COMPL		0x9
451 #define BNX2FC_FLAG_ELS_DONE		0xa
452 #define BNX2FC_FLAG_ELS_TIMEOUT		0xb
453 #define BNX2FC_FLAG_CMD_LOST		0xc
454 #define BNX2FC_FLAG_SRR_SENT		0xd
455 	u8 rec_retry;
456 	u8 srr_retry;
457 	u32 srr_offset;
458 	u8 srr_rctl;
459 	u32 fcp_resid;
460 	u32 fcp_rsp_len;
461 	u32 fcp_sns_len;
462 	u8 cdb_status; /* SCSI IO status */
463 	u8 fcp_status; /* FCP IO status */
464 	u8 fcp_rsp_code;
465 	u8 scsi_comp_flags;
466 };
467 
468 struct io_bdt {
469 	struct bnx2fc_cmd *io_req;
470 	struct fcoe_bd_ctx *bd_tbl;
471 	dma_addr_t bd_tbl_dma;
472 	u16 bd_valid;
473 };
474 
475 struct bnx2fc_work {
476 	struct list_head list;
477 	struct bnx2fc_rport *tgt;
478 	u16 wqe;
479 };
480 struct bnx2fc_unsol_els {
481 	struct fc_lport *lport;
482 	struct fc_frame *fp;
483 	struct bnx2fc_hba *hba;
484 	struct work_struct unsol_els_work;
485 };
486 
487 
488 
489 struct bnx2fc_cmd *bnx2fc_cmd_alloc(struct bnx2fc_rport *tgt);
490 struct bnx2fc_cmd *bnx2fc_elstm_alloc(struct bnx2fc_rport *tgt, int type);
491 void bnx2fc_cmd_release(struct kref *ref);
492 int bnx2fc_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *sc_cmd);
493 int bnx2fc_send_fw_fcoe_init_msg(struct bnx2fc_hba *hba);
494 int bnx2fc_send_fw_fcoe_destroy_msg(struct bnx2fc_hba *hba);
495 int bnx2fc_send_session_ofld_req(struct fcoe_port *port,
496 					struct bnx2fc_rport *tgt);
497 int bnx2fc_send_session_enable_req(struct fcoe_port *port,
498 					struct bnx2fc_rport *tgt);
499 int bnx2fc_send_session_disable_req(struct fcoe_port *port,
500 				    struct bnx2fc_rport *tgt);
501 int bnx2fc_send_session_destroy_req(struct bnx2fc_hba *hba,
502 					struct bnx2fc_rport *tgt);
503 int bnx2fc_map_doorbell(struct bnx2fc_rport *tgt);
504 void bnx2fc_indicate_kcqe(void *context, struct kcqe *kcq[],
505 					u32 num_cqe);
506 int bnx2fc_setup_task_ctx(struct bnx2fc_hba *hba);
507 void bnx2fc_free_task_ctx(struct bnx2fc_hba *hba);
508 int bnx2fc_setup_fw_resc(struct bnx2fc_hba *hba);
509 void bnx2fc_free_fw_resc(struct bnx2fc_hba *hba);
510 struct bnx2fc_cmd_mgr *bnx2fc_cmd_mgr_alloc(struct bnx2fc_hba *hba);
511 void bnx2fc_cmd_mgr_free(struct bnx2fc_cmd_mgr *cmgr);
512 void bnx2fc_get_link_state(struct bnx2fc_hba *hba);
513 char *bnx2fc_get_next_rqe(struct bnx2fc_rport *tgt, u8 num_items);
514 void bnx2fc_return_rqe(struct bnx2fc_rport *tgt, u8 num_items);
515 int bnx2fc_get_paged_crc_eof(struct sk_buff *skb, int tlen);
516 int bnx2fc_send_rrq(struct bnx2fc_cmd *aborted_io_req);
517 int bnx2fc_send_adisc(struct bnx2fc_rport *tgt, struct fc_frame *fp);
518 int bnx2fc_send_logo(struct bnx2fc_rport *tgt, struct fc_frame *fp);
519 int bnx2fc_send_rls(struct bnx2fc_rport *tgt, struct fc_frame *fp);
520 int bnx2fc_initiate_cleanup(struct bnx2fc_cmd *io_req);
521 int bnx2fc_initiate_abts(struct bnx2fc_cmd *io_req);
522 void bnx2fc_cmd_timer_set(struct bnx2fc_cmd *io_req,
523 			  unsigned int timer_msec);
524 int bnx2fc_init_mp_req(struct bnx2fc_cmd *io_req);
525 void bnx2fc_init_cleanup_task(struct bnx2fc_cmd *io_req,
526 			      struct fcoe_task_ctx_entry *task,
527 			      u16 orig_xid);
528 void bnx2fc_init_seq_cleanup_task(struct bnx2fc_cmd *seq_clnup_req,
529 				  struct fcoe_task_ctx_entry *task,
530 				  struct bnx2fc_cmd *orig_io_req,
531 				  u32 offset);
532 void bnx2fc_init_mp_task(struct bnx2fc_cmd *io_req,
533 			 struct fcoe_task_ctx_entry *task);
534 void bnx2fc_init_task(struct bnx2fc_cmd *io_req,
535 			     struct fcoe_task_ctx_entry *task);
536 void bnx2fc_add_2_sq(struct bnx2fc_rport *tgt, u16 xid);
537 void bnx2fc_ring_doorbell(struct bnx2fc_rport *tgt);
538 int bnx2fc_eh_abort(struct scsi_cmnd *sc_cmd);
539 int bnx2fc_eh_host_reset(struct scsi_cmnd *sc_cmd);
540 int bnx2fc_eh_target_reset(struct scsi_cmnd *sc_cmd);
541 int bnx2fc_eh_device_reset(struct scsi_cmnd *sc_cmd);
542 void bnx2fc_rport_event_handler(struct fc_lport *lport,
543 				struct fc_rport_priv *rport,
544 				enum fc_rport_event event);
545 void bnx2fc_process_scsi_cmd_compl(struct bnx2fc_cmd *io_req,
546 				   struct fcoe_task_ctx_entry *task,
547 				   u8 num_rq);
548 void bnx2fc_process_cleanup_compl(struct bnx2fc_cmd *io_req,
549 			       struct fcoe_task_ctx_entry *task,
550 			       u8 num_rq);
551 void bnx2fc_process_abts_compl(struct bnx2fc_cmd *io_req,
552 			       struct fcoe_task_ctx_entry *task,
553 			       u8 num_rq);
554 void bnx2fc_process_tm_compl(struct bnx2fc_cmd *io_req,
555 			     struct fcoe_task_ctx_entry *task,
556 			     u8 num_rq);
557 void bnx2fc_process_els_compl(struct bnx2fc_cmd *els_req,
558 			      struct fcoe_task_ctx_entry *task,
559 			      u8 num_rq);
560 void bnx2fc_build_fcp_cmnd(struct bnx2fc_cmd *io_req,
561 			   struct fcp_cmnd *fcp_cmnd);
562 
563 
564 
565 void bnx2fc_flush_active_ios(struct bnx2fc_rport *tgt);
566 struct fc_seq *bnx2fc_elsct_send(struct fc_lport *lport, u32 did,
567 				      struct fc_frame *fp, unsigned int op,
568 				      void (*resp)(struct fc_seq *,
569 						   struct fc_frame *,
570 						   void *),
571 				      void *arg, u32 timeout);
572 void bnx2fc_arm_cq(struct bnx2fc_rport *tgt);
573 int bnx2fc_process_new_cqes(struct bnx2fc_rport *tgt);
574 void bnx2fc_process_cq_compl(struct bnx2fc_rport *tgt, u16 wqe);
575 struct bnx2fc_rport *bnx2fc_tgt_lookup(struct fcoe_port *port,
576 					     u32 port_id);
577 void bnx2fc_process_l2_frame_compl(struct bnx2fc_rport *tgt,
578 				   unsigned char *buf,
579 				   u32 frame_len, u16 l2_oxid);
580 int bnx2fc_send_stat_req(struct bnx2fc_hba *hba);
581 int bnx2fc_post_io_req(struct bnx2fc_rport *tgt, struct bnx2fc_cmd *io_req);
582 int bnx2fc_send_rec(struct bnx2fc_cmd *orig_io_req);
583 int bnx2fc_send_srr(struct bnx2fc_cmd *orig_io_req, u32 offset, u8 r_ctl);
584 void bnx2fc_process_seq_cleanup_compl(struct bnx2fc_cmd *seq_clnup_req,
585 				      struct fcoe_task_ctx_entry *task,
586 				      u8 rx_state);
587 int bnx2fc_initiate_seq_cleanup(struct bnx2fc_cmd *orig_io_req, u32 offset,
588 				enum fc_rctl r_ctl);
589 
590 
591 #include "bnx2fc_debug.h"
592 
593 #endif
594