xref: /openbmc/linux/drivers/scsi/bnx2fc/bnx2fc.h (revision 165f2d28)
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/fc_encode.h>
55 #include <scsi/scsi_transport.h>
56 #include <scsi/scsi_transport_fc.h>
57 #include <scsi/fc/fc_fip.h>
58 #include <scsi/fc/fc_fc2.h>
59 #include <scsi/fc_frame.h>
60 #include <scsi/fc/fc_fcoe.h>
61 #include <scsi/fc/fc_fcp.h>
62 
63 #include "57xx_hsi_bnx2fc.h"
64 #include "../../net/ethernet/broadcom/cnic_if.h"
65 #include  "../../net/ethernet/broadcom/bnx2x/bnx2x_mfw_req.h"
66 #include "bnx2fc_constants.h"
67 
68 #define BNX2FC_NAME		"bnx2fc"
69 #define BNX2FC_VERSION		"2.12.13"
70 
71 #define PFX			"bnx2fc: "
72 
73 #define BCM_CHIP_LEN		16
74 
75 #define BNX2X_DOORBELL_PCI_BAR		2
76 
77 #define BNX2FC_MAX_BD_LEN		0xffff
78 #define BNX2FC_BD_SPLIT_SZ		0xffff
79 #define BNX2FC_MAX_BDS_PER_CMD		255
80 #define BNX2FC_FW_MAX_BDS_PER_CMD	255
81 
82 #define BNX2FC_SQ_WQES_MAX	256
83 
84 #define BNX2FC_SCSI_MAX_SQES	((3 * BNX2FC_SQ_WQES_MAX) / 8)
85 #define BNX2FC_TM_MAX_SQES	((BNX2FC_SQ_WQES_MAX) / 2)
86 #define BNX2FC_ELS_MAX_SQES	(BNX2FC_TM_MAX_SQES - 1)
87 
88 #define BNX2FC_RQ_WQES_MAX	16
89 #define BNX2FC_CQ_WQES_MAX	(BNX2FC_SQ_WQES_MAX + BNX2FC_RQ_WQES_MAX)
90 
91 #define BNX2FC_NUM_MAX_SESS	1024
92 #define BNX2FC_NUM_MAX_SESS_LOG	(ilog2(BNX2FC_NUM_MAX_SESS))
93 
94 #define BNX2FC_MAX_NPIV		256
95 
96 #define BNX2FC_MIN_PAYLOAD		256
97 #define BNX2FC_MAX_PAYLOAD		2048
98 #define BNX2FC_MFS			\
99 			(BNX2FC_MAX_PAYLOAD + sizeof(struct fc_frame_header))
100 #define BNX2FC_MINI_JUMBO_MTU		2500
101 
102 
103 #define BNX2FC_RQ_BUF_SZ		256
104 #define BNX2FC_RQ_BUF_LOG_SZ		(ilog2(BNX2FC_RQ_BUF_SZ))
105 
106 #define BNX2FC_SQ_WQE_SIZE		(sizeof(struct fcoe_sqe))
107 #define BNX2FC_CQ_WQE_SIZE		(sizeof(struct fcoe_cqe))
108 #define BNX2FC_RQ_WQE_SIZE		(BNX2FC_RQ_BUF_SZ)
109 #define BNX2FC_XFERQ_WQE_SIZE		(sizeof(struct fcoe_xfrqe))
110 #define BNX2FC_CONFQ_WQE_SIZE		(sizeof(struct fcoe_confqe))
111 #define BNX2X_DB_SHIFT			3
112 
113 #define BNX2FC_TASK_SIZE		128
114 #define	BNX2FC_TASKS_PER_PAGE		(PAGE_SIZE/BNX2FC_TASK_SIZE)
115 
116 #define BNX2FC_MAX_ROWS_IN_HASH_TBL	8
117 #define BNX2FC_HASH_TBL_CHUNK_SIZE	(16 * 1024)
118 
119 #define BNX2FC_MAX_SEQS			255
120 #define BNX2FC_MAX_RETRY_CNT		3
121 #define BNX2FC_MAX_RPORT_RETRY_CNT	255
122 
123 #define BNX2FC_READ			(1 << 1)
124 #define BNX2FC_WRITE			(1 << 0)
125 
126 #define BNX2FC_MIN_XID			0
127 #define FCOE_MAX_NUM_XIDS		0x2000
128 #define FCOE_MAX_XID_OFFSET		(FCOE_MAX_NUM_XIDS - 1)
129 #define FCOE_XIDS_PER_CPU_OFFSET	((512 * nr_cpu_ids) - 1)
130 #define BNX2FC_MAX_LUN			0xFFFF
131 #define BNX2FC_MAX_FCP_TGT		256
132 #define BNX2FC_MAX_CMD_LEN		16
133 
134 #define BNX2FC_TM_TIMEOUT		60	/* secs */
135 #define BNX2FC_IO_TIMEOUT		20000UL	/* msecs */
136 
137 #define BNX2FC_WAIT_CNT			1200
138 #define BNX2FC_FW_TIMEOUT		(3 * HZ)
139 #define PORT_MAX			2
140 
141 #define CMD_SCSI_STATUS(Cmnd)		((Cmnd)->SCp.Status)
142 
143 /* FC FCP Status */
144 #define	FC_GOOD				0
145 
146 #define BNX2FC_RNID_HBA			0x7
147 
148 #define SRR_RETRY_COUNT			5
149 #define REC_RETRY_COUNT			1
150 #define BNX2FC_NUM_ERR_BITS		63
151 
152 #define BNX2FC_RELOGIN_WAIT_TIME	200
153 #define BNX2FC_RELOGIN_WAIT_CNT		10
154 
155 #define BNX2FC_STATS(hba, stat, cnt)					\
156 	do {								\
157 		u32 val;						\
158 									\
159 		val = fw_stats->stat.cnt;				\
160 		if (hba->prev_stats.stat.cnt <= val)			\
161 			val -= hba->prev_stats.stat.cnt;		\
162 		else							\
163 			val += (0xfffffff - hba->prev_stats.stat.cnt);	\
164 		hba->bfw_stats.cnt += val;				\
165 	} while (0)
166 
167 /* bnx2fc driver uses only one instance of fcoe_percpu_s */
168 extern struct fcoe_percpu_s bnx2fc_global;
169 
170 extern struct workqueue_struct *bnx2fc_wq;
171 
172 struct bnx2fc_percpu_s {
173 	struct task_struct *iothread;
174 	struct list_head work_list;
175 	spinlock_t fp_work_lock;
176 };
177 
178 struct bnx2fc_fw_stats {
179 	u64	fc_crc_cnt;
180 	u64	fcoe_tx_pkt_cnt;
181 	u64	fcoe_rx_pkt_cnt;
182 	u64	fcoe_tx_byte_cnt;
183 	u64	fcoe_rx_byte_cnt;
184 };
185 
186 struct bnx2fc_hba {
187 	struct list_head list;
188 	struct cnic_dev *cnic;
189 	struct pci_dev *pcidev;
190 	struct net_device *phys_dev;
191 	unsigned long reg_with_cnic;
192 		#define BNX2FC_CNIC_REGISTERED           1
193 	struct bnx2fc_cmd_mgr *cmd_mgr;
194 	spinlock_t hba_lock;
195 	struct mutex hba_mutex;
196 	struct mutex hba_stats_mutex;
197 	unsigned long adapter_state;
198 		#define ADAPTER_STATE_UP		0
199 		#define ADAPTER_STATE_GOING_DOWN	1
200 		#define ADAPTER_STATE_LINK_DOWN		2
201 		#define ADAPTER_STATE_READY		3
202 	unsigned long flags;
203 		#define BNX2FC_FLAG_FW_INIT_DONE	0
204 		#define BNX2FC_FLAG_DESTROY_CMPL	1
205 	u32 next_conn_id;
206 
207 	/* xid resources */
208 	u16 max_xid;
209 	u32 max_tasks;
210 	u32 max_outstanding_cmds;
211 	u32 elstm_xids;
212 
213 	struct fcoe_task_ctx_entry **task_ctx;
214 	dma_addr_t *task_ctx_dma;
215 	struct regpair *task_ctx_bd_tbl;
216 	dma_addr_t task_ctx_bd_dma;
217 
218 	int hash_tbl_segment_count;
219 	void **hash_tbl_segments;
220 	void *hash_tbl_pbl;
221 	dma_addr_t hash_tbl_pbl_dma;
222 	struct fcoe_t2_hash_table_entry *t2_hash_tbl;
223 	dma_addr_t t2_hash_tbl_dma;
224 	char *t2_hash_tbl_ptr;
225 	dma_addr_t t2_hash_tbl_ptr_dma;
226 
227 	char *dummy_buffer;
228 	dma_addr_t dummy_buf_dma;
229 
230 	/* Active list of offloaded sessions */
231 	struct bnx2fc_rport **tgt_ofld_list;
232 
233 	/* statistics */
234 	struct bnx2fc_fw_stats bfw_stats;
235 	struct fcoe_statistics_params prev_stats;
236 	struct fcoe_statistics_params *stats_buffer;
237 	dma_addr_t stats_buf_dma;
238 	struct completion stat_req_done;
239 	struct fcoe_capabilities fcoe_cap;
240 
241 	/*destroy handling */
242 	struct timer_list destroy_timer;
243 	wait_queue_head_t destroy_wait;
244 
245 	/* linkdown handling */
246 	wait_queue_head_t shutdown_wait;
247 	int wait_for_link_down;
248 	int num_ofld_sess;
249 	struct list_head vports;
250 
251 	char chip_num[BCM_CHIP_LEN];
252 };
253 
254 struct bnx2fc_interface {
255 	struct list_head list;
256 	unsigned long if_flags;
257 		#define BNX2FC_CTLR_INIT_DONE		0
258 	struct bnx2fc_hba *hba;
259 	struct net_device *netdev;
260 	struct packet_type fcoe_packet_type;
261 	struct packet_type fip_packet_type;
262 	struct workqueue_struct *timer_work_queue;
263 	struct kref kref;
264 	u8 vlan_enabled;
265 	int vlan_id;
266 	bool enabled;
267 	u8 tm_timeout;
268 };
269 
270 #define bnx2fc_from_ctlr(x)			\
271 	((struct bnx2fc_interface *)((x) + 1))
272 
273 #define bnx2fc_to_ctlr(x)					\
274 	((struct fcoe_ctlr *)(((struct fcoe_ctlr *)(x)) - 1))
275 
276 struct bnx2fc_lport {
277 	struct list_head list;
278 	struct fc_lport *lport;
279 };
280 
281 struct bnx2fc_cmd_mgr {
282 	struct bnx2fc_hba *hba;
283 	u16 next_idx;
284 	struct list_head *free_list;
285 	spinlock_t *free_list_lock;
286 	struct io_bdt **io_bdt_pool;
287 	struct bnx2fc_cmd **cmds;
288 };
289 
290 struct bnx2fc_rport {
291 	struct fcoe_port *port;
292 	struct fc_rport *rport;
293 	struct fc_rport_priv *rdata;
294 	void __iomem *ctx_base;
295 #define DPM_TRIGER_TYPE		0x40
296 	u32 io_timeout;
297 	u32 fcoe_conn_id;
298 	u32 context_id;
299 	u32 sid;
300 	int dev_type;
301 
302 	unsigned long flags;
303 #define BNX2FC_FLAG_SESSION_READY	0x1
304 #define BNX2FC_FLAG_OFFLOADED		0x2
305 #define BNX2FC_FLAG_DISABLED		0x3
306 #define BNX2FC_FLAG_DESTROYED		0x4
307 #define BNX2FC_FLAG_OFLD_REQ_CMPL	0x5
308 #define BNX2FC_FLAG_CTX_ALLOC_FAILURE	0x6
309 #define BNX2FC_FLAG_UPLD_REQ_COMPL	0x7
310 #define BNX2FC_FLAG_DISABLE_FAILED	0x9
311 #define BNX2FC_FLAG_ENABLED		0xa
312 
313 	u8 src_addr[ETH_ALEN];
314 	u32 max_sqes;
315 	u32 max_rqes;
316 	u32 max_cqes;
317 	atomic_t free_sqes;
318 
319 	struct b577xx_doorbell_set_prod sq_db;
320 	struct b577xx_fcoe_rx_doorbell rx_db;
321 
322 	struct fcoe_sqe *sq;
323 	dma_addr_t sq_dma;
324 	u16 sq_prod_idx;
325 	u8 sq_curr_toggle_bit;
326 	u32 sq_mem_size;
327 
328 	struct fcoe_cqe *cq;
329 	dma_addr_t cq_dma;
330 	u16 cq_cons_idx;
331 	u8 cq_curr_toggle_bit;
332 	u32 cq_mem_size;
333 
334 	void *rq;
335 	dma_addr_t rq_dma;
336 	u32 rq_prod_idx;
337 	u32 rq_cons_idx;
338 	u32 rq_mem_size;
339 
340 	void *rq_pbl;
341 	dma_addr_t rq_pbl_dma;
342 	u32 rq_pbl_size;
343 
344 	struct fcoe_xfrqe *xferq;
345 	dma_addr_t xferq_dma;
346 	u32 xferq_mem_size;
347 
348 	struct fcoe_confqe *confq;
349 	dma_addr_t confq_dma;
350 	u32 confq_mem_size;
351 
352 	void *confq_pbl;
353 	dma_addr_t confq_pbl_dma;
354 	u32 confq_pbl_size;
355 
356 	struct fcoe_conn_db *conn_db;
357 	dma_addr_t conn_db_dma;
358 	u32 conn_db_mem_size;
359 
360 	struct fcoe_sqe *lcq;
361 	dma_addr_t lcq_dma;
362 	u32 lcq_mem_size;
363 
364 	void *ofld_req[4];
365 	dma_addr_t ofld_req_dma[4];
366 	void *enbl_req;
367 	dma_addr_t enbl_req_dma;
368 
369 	spinlock_t tgt_lock;
370 	spinlock_t cq_lock;
371 	atomic_t num_active_ios;
372 	u32 flush_in_prog;
373 	unsigned long timestamp;
374 	unsigned long retry_delay_timestamp;
375 	struct list_head free_task_list;
376 	struct bnx2fc_cmd *pending_queue[BNX2FC_SQ_WQES_MAX+1];
377 	struct list_head active_cmd_queue;
378 	struct list_head els_queue;
379 	struct list_head io_retire_queue;
380 	struct list_head active_tm_queue;
381 
382 	struct timer_list ofld_timer;
383 	wait_queue_head_t ofld_wait;
384 
385 	struct timer_list upld_timer;
386 	wait_queue_head_t upld_wait;
387 };
388 
389 struct bnx2fc_mp_req {
390 	u8 tm_flags;
391 
392 	u32 req_len;
393 	void *req_buf;
394 	dma_addr_t req_buf_dma;
395 	struct fcoe_bd_ctx *mp_req_bd;
396 	dma_addr_t mp_req_bd_dma;
397 	struct fc_frame_header req_fc_hdr;
398 
399 	u32 resp_len;
400 	void *resp_buf;
401 	dma_addr_t resp_buf_dma;
402 	struct fcoe_bd_ctx *mp_resp_bd;
403 	dma_addr_t mp_resp_bd_dma;
404 	struct fc_frame_header resp_fc_hdr;
405 };
406 
407 struct bnx2fc_els_cb_arg {
408 	struct bnx2fc_cmd *aborted_io_req;
409 	struct bnx2fc_cmd *io_req;
410 	u16 l2_oxid;
411 	u32 offset;
412 	enum fc_rctl r_ctl;
413 };
414 
415 /* bnx2fc command structure */
416 struct bnx2fc_cmd {
417 	struct list_head link;
418 	u8 on_active_queue;
419 	u8 on_tmf_queue;
420 	u8 cmd_type;
421 #define BNX2FC_SCSI_CMD		1
422 #define BNX2FC_TASK_MGMT_CMD		2
423 #define BNX2FC_ABTS			3
424 #define BNX2FC_ELS			4
425 #define BNX2FC_CLEANUP			5
426 #define BNX2FC_SEQ_CLEANUP		6
427 	u8 io_req_flags;
428 	struct kref refcount;
429 	struct fcoe_port *port;
430 	struct bnx2fc_rport *tgt;
431 	struct scsi_cmnd *sc_cmd;
432 	struct bnx2fc_cmd_mgr *cmd_mgr;
433 	struct bnx2fc_mp_req mp_req;
434 	void (*cb_func)(struct bnx2fc_els_cb_arg *cb_arg);
435 	struct bnx2fc_els_cb_arg *cb_arg;
436 	struct delayed_work timeout_work; /* timer for ULP timeouts */
437 	struct completion abts_done;
438 	struct completion cleanup_done;
439 	int wait_for_abts_comp;
440 	int wait_for_cleanup_comp;
441 	u16 xid;
442 	struct fcoe_err_report_entry err_entry;
443 	struct fcoe_task_ctx_entry *task;
444 	struct io_bdt *bd_tbl;
445 	struct fcp_rsp *rsp;
446 	size_t data_xfer_len;
447 	unsigned long req_flags;
448 #define BNX2FC_FLAG_ISSUE_RRQ		0x1
449 #define BNX2FC_FLAG_ISSUE_ABTS		0x2
450 #define BNX2FC_FLAG_ABTS_DONE		0x3
451 #define BNX2FC_FLAG_TM_COMPL		0x4
452 #define BNX2FC_FLAG_TM_TIMEOUT		0x5
453 #define BNX2FC_FLAG_IO_CLEANUP		0x6
454 #define BNX2FC_FLAG_RETIRE_OXID		0x7
455 #define	BNX2FC_FLAG_EH_ABORT		0x8
456 #define BNX2FC_FLAG_IO_COMPL		0x9
457 #define BNX2FC_FLAG_ELS_DONE		0xa
458 #define BNX2FC_FLAG_ELS_TIMEOUT		0xb
459 #define BNX2FC_FLAG_CMD_LOST		0xc
460 #define BNX2FC_FLAG_SRR_SENT		0xd
461 #define BNX2FC_FLAG_ISSUE_CLEANUP_REQ	0xe
462 	u8 rec_retry;
463 	u8 srr_retry;
464 	u32 srr_offset;
465 	u8 srr_rctl;
466 	u32 fcp_resid;
467 	u32 fcp_rsp_len;
468 	u32 fcp_sns_len;
469 	u8 cdb_status; /* SCSI IO status */
470 	u8 fcp_status; /* FCP IO status */
471 	u8 fcp_rsp_code;
472 	u8 scsi_comp_flags;
473 };
474 
475 struct io_bdt {
476 	struct bnx2fc_cmd *io_req;
477 	struct fcoe_bd_ctx *bd_tbl;
478 	dma_addr_t bd_tbl_dma;
479 	u16 bd_valid;
480 };
481 
482 struct bnx2fc_work {
483 	struct list_head list;
484 	struct bnx2fc_rport *tgt;
485 	struct fcoe_task_ctx_entry *task;
486 	unsigned char rq_data[BNX2FC_RQ_BUF_SZ];
487 	u16 wqe;
488 	u8 num_rq;
489 };
490 struct bnx2fc_unsol_els {
491 	struct fc_lport *lport;
492 	struct fc_frame *fp;
493 	struct bnx2fc_hba *hba;
494 	struct work_struct unsol_els_work;
495 };
496 
497 
498 
499 struct bnx2fc_cmd *bnx2fc_cmd_alloc(struct bnx2fc_rport *tgt);
500 struct bnx2fc_cmd *bnx2fc_elstm_alloc(struct bnx2fc_rport *tgt, int type);
501 void bnx2fc_cmd_release(struct kref *ref);
502 int bnx2fc_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *sc_cmd);
503 int bnx2fc_send_fw_fcoe_init_msg(struct bnx2fc_hba *hba);
504 int bnx2fc_send_fw_fcoe_destroy_msg(struct bnx2fc_hba *hba);
505 int bnx2fc_send_session_ofld_req(struct fcoe_port *port,
506 					struct bnx2fc_rport *tgt);
507 int bnx2fc_send_session_enable_req(struct fcoe_port *port,
508 					struct bnx2fc_rport *tgt);
509 int bnx2fc_send_session_disable_req(struct fcoe_port *port,
510 				    struct bnx2fc_rport *tgt);
511 int bnx2fc_send_session_destroy_req(struct bnx2fc_hba *hba,
512 					struct bnx2fc_rport *tgt);
513 int bnx2fc_map_doorbell(struct bnx2fc_rport *tgt);
514 void bnx2fc_indicate_kcqe(void *context, struct kcqe *kcq[],
515 					u32 num_cqe);
516 int bnx2fc_setup_task_ctx(struct bnx2fc_hba *hba);
517 void bnx2fc_free_task_ctx(struct bnx2fc_hba *hba);
518 int bnx2fc_setup_fw_resc(struct bnx2fc_hba *hba);
519 void bnx2fc_free_fw_resc(struct bnx2fc_hba *hba);
520 struct bnx2fc_cmd_mgr *bnx2fc_cmd_mgr_alloc(struct bnx2fc_hba *hba);
521 void bnx2fc_cmd_mgr_free(struct bnx2fc_cmd_mgr *cmgr);
522 void bnx2fc_get_link_state(struct bnx2fc_hba *hba);
523 char *bnx2fc_get_next_rqe(struct bnx2fc_rport *tgt, u8 num_items);
524 void bnx2fc_return_rqe(struct bnx2fc_rport *tgt, u8 num_items);
525 int bnx2fc_get_paged_crc_eof(struct sk_buff *skb, int tlen);
526 int bnx2fc_send_rrq(struct bnx2fc_cmd *aborted_io_req);
527 int bnx2fc_send_adisc(struct bnx2fc_rport *tgt, struct fc_frame *fp);
528 int bnx2fc_send_logo(struct bnx2fc_rport *tgt, struct fc_frame *fp);
529 int bnx2fc_send_rls(struct bnx2fc_rport *tgt, struct fc_frame *fp);
530 int bnx2fc_initiate_cleanup(struct bnx2fc_cmd *io_req);
531 int bnx2fc_initiate_abts(struct bnx2fc_cmd *io_req);
532 void bnx2fc_cmd_timer_set(struct bnx2fc_cmd *io_req,
533 			  unsigned int timer_msec);
534 int bnx2fc_init_mp_req(struct bnx2fc_cmd *io_req);
535 void bnx2fc_init_cleanup_task(struct bnx2fc_cmd *io_req,
536 			      struct fcoe_task_ctx_entry *task,
537 			      u16 orig_xid);
538 void bnx2fc_init_seq_cleanup_task(struct bnx2fc_cmd *seq_clnup_req,
539 				  struct fcoe_task_ctx_entry *task,
540 				  struct bnx2fc_cmd *orig_io_req,
541 				  u32 offset);
542 void bnx2fc_init_mp_task(struct bnx2fc_cmd *io_req,
543 			 struct fcoe_task_ctx_entry *task);
544 void bnx2fc_init_task(struct bnx2fc_cmd *io_req,
545 			     struct fcoe_task_ctx_entry *task);
546 void bnx2fc_add_2_sq(struct bnx2fc_rport *tgt, u16 xid);
547 void bnx2fc_ring_doorbell(struct bnx2fc_rport *tgt);
548 int bnx2fc_eh_abort(struct scsi_cmnd *sc_cmd);
549 int bnx2fc_eh_target_reset(struct scsi_cmnd *sc_cmd);
550 int bnx2fc_eh_device_reset(struct scsi_cmnd *sc_cmd);
551 void bnx2fc_rport_event_handler(struct fc_lport *lport,
552 				struct fc_rport_priv *rport,
553 				enum fc_rport_event event);
554 void bnx2fc_process_scsi_cmd_compl(struct bnx2fc_cmd *io_req,
555 				   struct fcoe_task_ctx_entry *task,
556 				   u8 num_rq, unsigned char *rq_data);
557 void bnx2fc_process_cleanup_compl(struct bnx2fc_cmd *io_req,
558 			       struct fcoe_task_ctx_entry *task,
559 			       u8 num_rq);
560 void bnx2fc_process_abts_compl(struct bnx2fc_cmd *io_req,
561 			       struct fcoe_task_ctx_entry *task,
562 			       u8 num_rq);
563 void bnx2fc_process_tm_compl(struct bnx2fc_cmd *io_req,
564 			     struct fcoe_task_ctx_entry *task,
565 			     u8 num_rq, unsigned char *rq_data);
566 void bnx2fc_process_els_compl(struct bnx2fc_cmd *els_req,
567 			      struct fcoe_task_ctx_entry *task,
568 			      u8 num_rq);
569 void bnx2fc_build_fcp_cmnd(struct bnx2fc_cmd *io_req,
570 			   struct fcp_cmnd *fcp_cmnd);
571 
572 
573 
574 void bnx2fc_flush_active_ios(struct bnx2fc_rport *tgt);
575 struct fc_seq *bnx2fc_elsct_send(struct fc_lport *lport, u32 did,
576 				      struct fc_frame *fp, unsigned int op,
577 				      void (*resp)(struct fc_seq *,
578 						   struct fc_frame *,
579 						   void *),
580 				      void *arg, u32 timeout);
581 void bnx2fc_arm_cq(struct bnx2fc_rport *tgt);
582 int bnx2fc_process_new_cqes(struct bnx2fc_rport *tgt);
583 void bnx2fc_process_cq_compl(struct bnx2fc_rport *tgt, u16 wqe,
584 			     unsigned char *rq_data, u8 num_rq,
585 			     struct fcoe_task_ctx_entry *task);
586 struct bnx2fc_rport *bnx2fc_tgt_lookup(struct fcoe_port *port,
587 					     u32 port_id);
588 void bnx2fc_process_l2_frame_compl(struct bnx2fc_rport *tgt,
589 				   unsigned char *buf,
590 				   u32 frame_len, u16 l2_oxid);
591 int bnx2fc_send_stat_req(struct bnx2fc_hba *hba);
592 int bnx2fc_post_io_req(struct bnx2fc_rport *tgt, struct bnx2fc_cmd *io_req);
593 int bnx2fc_send_rec(struct bnx2fc_cmd *orig_io_req);
594 int bnx2fc_send_srr(struct bnx2fc_cmd *orig_io_req, u32 offset, u8 r_ctl);
595 void bnx2fc_process_seq_cleanup_compl(struct bnx2fc_cmd *seq_clnup_req,
596 				      struct fcoe_task_ctx_entry *task,
597 				      u8 rx_state);
598 int bnx2fc_initiate_seq_cleanup(struct bnx2fc_cmd *orig_io_req, u32 offset,
599 				enum fc_rctl r_ctl);
600 
601 
602 #include "bnx2fc_debug.h"
603 
604 #endif
605