xref: /openbmc/linux/drivers/scsi/bnx2fc/bnx2fc.h (revision 3db8cc106569aa81088ee83d46f52a631471811c)
1 #ifndef _BNX2FC_H_
2 #define _BNX2FC_H_
3 /* bnx2fc.h: Broadcom NetXtreme II Linux FCoE offload driver.
4  *
5  * Copyright (c) 2008 - 2011 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 "bnx2fc_constants.h"
64 
65 #define BNX2FC_NAME		"bnx2fc"
66 #define BNX2FC_VERSION		"1.0.11"
67 
68 #define PFX			"bnx2fc: "
69 
70 #define BNX2X_DOORBELL_PCI_BAR		2
71 
72 #define BNX2FC_MAX_BD_LEN		0xffff
73 #define BNX2FC_BD_SPLIT_SZ		0x8000
74 #define BNX2FC_MAX_BDS_PER_CMD		256
75 
76 #define BNX2FC_SQ_WQES_MAX	256
77 
78 #define BNX2FC_SCSI_MAX_SQES	((3 * BNX2FC_SQ_WQES_MAX) / 8)
79 #define BNX2FC_TM_MAX_SQES	((BNX2FC_SQ_WQES_MAX) / 2)
80 #define BNX2FC_ELS_MAX_SQES	(BNX2FC_TM_MAX_SQES - 1)
81 
82 #define BNX2FC_RQ_WQES_MAX	16
83 #define BNX2FC_CQ_WQES_MAX	(BNX2FC_SQ_WQES_MAX + BNX2FC_RQ_WQES_MAX)
84 
85 #define BNX2FC_NUM_MAX_SESS	1024
86 #define BNX2FC_NUM_MAX_SESS_LOG	(ilog2(BNX2FC_NUM_MAX_SESS))
87 
88 #define BNX2FC_MAX_OUTSTANDING_CMNDS	2048
89 #define BNX2FC_CAN_QUEUE		BNX2FC_MAX_OUTSTANDING_CMNDS
90 #define BNX2FC_ELSTM_XIDS		BNX2FC_CAN_QUEUE
91 #define BNX2FC_MIN_PAYLOAD		256
92 #define BNX2FC_MAX_PAYLOAD		2048
93 #define BNX2FC_MFS			\
94 			(BNX2FC_MAX_PAYLOAD + sizeof(struct fc_frame_header))
95 #define BNX2FC_MINI_JUMBO_MTU		2500
96 
97 
98 #define BNX2FC_RQ_BUF_SZ		256
99 #define BNX2FC_RQ_BUF_LOG_SZ		(ilog2(BNX2FC_RQ_BUF_SZ))
100 
101 #define BNX2FC_SQ_WQE_SIZE		(sizeof(struct fcoe_sqe))
102 #define BNX2FC_CQ_WQE_SIZE		(sizeof(struct fcoe_cqe))
103 #define BNX2FC_RQ_WQE_SIZE		(BNX2FC_RQ_BUF_SZ)
104 #define BNX2FC_XFERQ_WQE_SIZE		(sizeof(struct fcoe_xfrqe))
105 #define BNX2FC_CONFQ_WQE_SIZE		(sizeof(struct fcoe_confqe))
106 #define BNX2FC_5771X_DB_PAGE_SIZE	128
107 
108 #define BNX2FC_MAX_TASKS		\
109 			     (BNX2FC_MAX_OUTSTANDING_CMNDS + BNX2FC_ELSTM_XIDS)
110 #define BNX2FC_TASK_SIZE		128
111 #define	BNX2FC_TASKS_PER_PAGE		(PAGE_SIZE/BNX2FC_TASK_SIZE)
112 #define BNX2FC_TASK_CTX_ARR_SZ		(BNX2FC_MAX_TASKS/BNX2FC_TASKS_PER_PAGE)
113 
114 #define BNX2FC_MAX_ROWS_IN_HASH_TBL	8
115 #define BNX2FC_HASH_TBL_CHUNK_SIZE	(16 * 1024)
116 
117 #define BNX2FC_MAX_SEQS			255
118 #define BNX2FC_MAX_RETRY_CNT		3
119 #define BNX2FC_MAX_RPORT_RETRY_CNT	255
120 
121 #define BNX2FC_READ			(1 << 1)
122 #define BNX2FC_WRITE			(1 << 0)
123 
124 #define BNX2FC_MIN_XID			0
125 #define BNX2FC_MAX_XID			\
126 			(BNX2FC_MAX_OUTSTANDING_CMNDS + BNX2FC_ELSTM_XIDS - 1)
127 #define FCOE_MAX_NUM_XIDS		0x2000
128 #define FCOE_MIN_XID			(BNX2FC_MAX_XID + 1)
129 #define FCOE_MAX_XID			(FCOE_MIN_XID + FCOE_MAX_NUM_XIDS - 1)
130 #define FCOE_XIDS_PER_CPU		(FCOE_MIN_XID + (512 * nr_cpu_ids) - 1)
131 #define BNX2FC_MAX_LUN			0xFFFF
132 #define BNX2FC_MAX_FCP_TGT		256
133 #define BNX2FC_MAX_CMD_LEN		16
134 
135 #define BNX2FC_TM_TIMEOUT		60	/* secs */
136 #define BNX2FC_IO_TIMEOUT		20000UL	/* msecs */
137 
138 #define BNX2FC_WAIT_CNT			1200
139 #define BNX2FC_FW_TIMEOUT		(3 * HZ)
140 #define PORT_MAX			2
141 
142 #define CMD_SCSI_STATUS(Cmnd)		((Cmnd)->SCp.Status)
143 
144 /* FC FCP Status */
145 #define	FC_GOOD				0
146 
147 #define BNX2FC_RNID_HBA			0x7
148 
149 #define SRR_RETRY_COUNT			5
150 #define REC_RETRY_COUNT			1
151 #define BNX2FC_NUM_ERR_BITS		63
152 
153 #define BNX2FC_RELOGIN_WAIT_TIME	200
154 #define BNX2FC_RELOGIN_WAIT_CNT		10
155 
156 /* bnx2fc driver uses only one instance of fcoe_percpu_s */
157 extern struct fcoe_percpu_s bnx2fc_global;
158 
159 extern struct workqueue_struct *bnx2fc_wq;
160 
161 struct bnx2fc_percpu_s {
162 	struct task_struct *iothread;
163 	struct list_head work_list;
164 	spinlock_t fp_work_lock;
165 };
166 
167 struct bnx2fc_hba {
168 	struct list_head list;
169 	struct cnic_dev *cnic;
170 	struct pci_dev *pcidev;
171 	struct net_device *phys_dev;
172 	unsigned long reg_with_cnic;
173 		#define BNX2FC_CNIC_REGISTERED           1
174 	struct bnx2fc_cmd_mgr *cmd_mgr;
175 	spinlock_t hba_lock;
176 	struct mutex hba_mutex;
177 	unsigned long adapter_state;
178 		#define ADAPTER_STATE_UP		0
179 		#define ADAPTER_STATE_GOING_DOWN	1
180 		#define ADAPTER_STATE_LINK_DOWN		2
181 		#define ADAPTER_STATE_READY		3
182 	unsigned long flags;
183 		#define BNX2FC_FLAG_FW_INIT_DONE	0
184 		#define BNX2FC_FLAG_DESTROY_CMPL	1
185 	u32 next_conn_id;
186 	struct fcoe_task_ctx_entry **task_ctx;
187 	dma_addr_t *task_ctx_dma;
188 	struct regpair *task_ctx_bd_tbl;
189 	dma_addr_t task_ctx_bd_dma;
190 
191 	int hash_tbl_segment_count;
192 	void **hash_tbl_segments;
193 	void *hash_tbl_pbl;
194 	dma_addr_t hash_tbl_pbl_dma;
195 	struct fcoe_t2_hash_table_entry *t2_hash_tbl;
196 	dma_addr_t t2_hash_tbl_dma;
197 	char *t2_hash_tbl_ptr;
198 	dma_addr_t t2_hash_tbl_ptr_dma;
199 
200 	char *dummy_buffer;
201 	dma_addr_t dummy_buf_dma;
202 
203 	/* Active list of offloaded sessions */
204 	struct bnx2fc_rport **tgt_ofld_list;
205 
206 	/* statistics */
207 	struct fcoe_statistics_params *stats_buffer;
208 	dma_addr_t stats_buf_dma;
209 	struct completion stat_req_done;
210 
211 	/*destroy handling */
212 	struct timer_list destroy_timer;
213 	wait_queue_head_t destroy_wait;
214 
215 	/* linkdown handling */
216 	wait_queue_head_t shutdown_wait;
217 	int wait_for_link_down;
218 	int num_ofld_sess;
219 	struct list_head vports;
220 };
221 
222 struct bnx2fc_interface {
223 	struct list_head list;
224 	unsigned long if_flags;
225 		#define BNX2FC_CTLR_INIT_DONE		0
226 	struct bnx2fc_hba *hba;
227 	struct net_device *netdev;
228 	struct packet_type fcoe_packet_type;
229 	struct packet_type fip_packet_type;
230 	struct workqueue_struct *timer_work_queue;
231 	struct kref kref;
232 	u8 vlan_enabled;
233 	int vlan_id;
234 	bool enabled;
235 };
236 
237 #define bnx2fc_from_ctlr(x)			\
238 	((struct bnx2fc_interface *)((x) + 1))
239 
240 #define bnx2fc_to_ctlr(x)					\
241 	((struct fcoe_ctlr *)(((struct fcoe_ctlr *)(x)) - 1))
242 
243 struct bnx2fc_lport {
244 	struct list_head list;
245 	struct fc_lport *lport;
246 };
247 
248 struct bnx2fc_cmd_mgr {
249 	struct bnx2fc_hba *hba;
250 	u16 next_idx;
251 	struct list_head *free_list;
252 	spinlock_t *free_list_lock;
253 	struct io_bdt **io_bdt_pool;
254 	struct bnx2fc_cmd **cmds;
255 };
256 
257 struct bnx2fc_rport {
258 	struct fcoe_port *port;
259 	struct fc_rport *rport;
260 	struct fc_rport_priv *rdata;
261 	void __iomem *ctx_base;
262 #define DPM_TRIGER_TYPE		0x40
263 	u32 io_timeout;
264 	u32 fcoe_conn_id;
265 	u32 context_id;
266 	u32 sid;
267 	int dev_type;
268 
269 	unsigned long flags;
270 #define BNX2FC_FLAG_SESSION_READY	0x1
271 #define BNX2FC_FLAG_OFFLOADED		0x2
272 #define BNX2FC_FLAG_DISABLED		0x3
273 #define BNX2FC_FLAG_DESTROYED		0x4
274 #define BNX2FC_FLAG_OFLD_REQ_CMPL	0x5
275 #define BNX2FC_FLAG_CTX_ALLOC_FAILURE	0x6
276 #define BNX2FC_FLAG_UPLD_REQ_COMPL	0x7
277 #define BNX2FC_FLAG_EXPL_LOGO		0x8
278 
279 	u8 src_addr[ETH_ALEN];
280 	u32 max_sqes;
281 	u32 max_rqes;
282 	u32 max_cqes;
283 	atomic_t free_sqes;
284 
285 	struct b577xx_doorbell_set_prod sq_db;
286 	struct b577xx_fcoe_rx_doorbell rx_db;
287 
288 	struct fcoe_sqe *sq;
289 	dma_addr_t sq_dma;
290 	u16 sq_prod_idx;
291 	u8 sq_curr_toggle_bit;
292 	u32 sq_mem_size;
293 
294 	struct fcoe_cqe *cq;
295 	dma_addr_t cq_dma;
296 	u16 cq_cons_idx;
297 	u8 cq_curr_toggle_bit;
298 	u32 cq_mem_size;
299 
300 	void *rq;
301 	dma_addr_t rq_dma;
302 	u32 rq_prod_idx;
303 	u32 rq_cons_idx;
304 	u32 rq_mem_size;
305 
306 	void *rq_pbl;
307 	dma_addr_t rq_pbl_dma;
308 	u32 rq_pbl_size;
309 
310 	struct fcoe_xfrqe *xferq;
311 	dma_addr_t xferq_dma;
312 	u32 xferq_mem_size;
313 
314 	struct fcoe_confqe *confq;
315 	dma_addr_t confq_dma;
316 	u32 confq_mem_size;
317 
318 	void *confq_pbl;
319 	dma_addr_t confq_pbl_dma;
320 	u32 confq_pbl_size;
321 
322 	struct fcoe_conn_db *conn_db;
323 	dma_addr_t conn_db_dma;
324 	u32 conn_db_mem_size;
325 
326 	struct fcoe_sqe *lcq;
327 	dma_addr_t lcq_dma;
328 	u32 lcq_mem_size;
329 
330 	void *ofld_req[4];
331 	dma_addr_t ofld_req_dma[4];
332 	void *enbl_req;
333 	dma_addr_t enbl_req_dma;
334 
335 	spinlock_t tgt_lock;
336 	spinlock_t cq_lock;
337 	atomic_t num_active_ios;
338 	u32 flush_in_prog;
339 	unsigned long timestamp;
340 	struct list_head free_task_list;
341 	struct bnx2fc_cmd *pending_queue[BNX2FC_SQ_WQES_MAX+1];
342 	struct list_head active_cmd_queue;
343 	struct list_head els_queue;
344 	struct list_head io_retire_queue;
345 	struct list_head active_tm_queue;
346 
347 	struct timer_list ofld_timer;
348 	wait_queue_head_t ofld_wait;
349 
350 	struct timer_list upld_timer;
351 	wait_queue_head_t upld_wait;
352 };
353 
354 struct bnx2fc_mp_req {
355 	u8 tm_flags;
356 
357 	u32 req_len;
358 	void *req_buf;
359 	dma_addr_t req_buf_dma;
360 	struct fcoe_bd_ctx *mp_req_bd;
361 	dma_addr_t mp_req_bd_dma;
362 	struct fc_frame_header req_fc_hdr;
363 
364 	u32 resp_len;
365 	void *resp_buf;
366 	dma_addr_t resp_buf_dma;
367 	struct fcoe_bd_ctx *mp_resp_bd;
368 	dma_addr_t mp_resp_bd_dma;
369 	struct fc_frame_header resp_fc_hdr;
370 };
371 
372 struct bnx2fc_els_cb_arg {
373 	struct bnx2fc_cmd *aborted_io_req;
374 	struct bnx2fc_cmd *io_req;
375 	u16 l2_oxid;
376 	u32 offset;
377 	enum fc_rctl r_ctl;
378 };
379 
380 /* bnx2fc command structure */
381 struct bnx2fc_cmd {
382 	struct list_head link;
383 	u8 on_active_queue;
384 	u8 on_tmf_queue;
385 	u8 cmd_type;
386 #define BNX2FC_SCSI_CMD		1
387 #define BNX2FC_TASK_MGMT_CMD		2
388 #define BNX2FC_ABTS			3
389 #define BNX2FC_ELS			4
390 #define BNX2FC_CLEANUP			5
391 #define BNX2FC_SEQ_CLEANUP		6
392 	u8 io_req_flags;
393 	struct kref refcount;
394 	struct fcoe_port *port;
395 	struct bnx2fc_rport *tgt;
396 	struct scsi_cmnd *sc_cmd;
397 	struct bnx2fc_cmd_mgr *cmd_mgr;
398 	struct bnx2fc_mp_req mp_req;
399 	void (*cb_func)(struct bnx2fc_els_cb_arg *cb_arg);
400 	struct bnx2fc_els_cb_arg *cb_arg;
401 	struct delayed_work timeout_work; /* timer for ULP timeouts */
402 	struct completion tm_done;
403 	int wait_for_comp;
404 	u16 xid;
405 	struct fcoe_err_report_entry err_entry;
406 	struct fcoe_task_ctx_entry *task;
407 	struct io_bdt *bd_tbl;
408 	struct fcp_rsp *rsp;
409 	size_t data_xfer_len;
410 	unsigned long req_flags;
411 #define BNX2FC_FLAG_ISSUE_RRQ		0x1
412 #define BNX2FC_FLAG_ISSUE_ABTS		0x2
413 #define BNX2FC_FLAG_ABTS_DONE		0x3
414 #define BNX2FC_FLAG_TM_COMPL		0x4
415 #define BNX2FC_FLAG_TM_TIMEOUT		0x5
416 #define BNX2FC_FLAG_IO_CLEANUP		0x6
417 #define BNX2FC_FLAG_RETIRE_OXID		0x7
418 #define	BNX2FC_FLAG_EH_ABORT		0x8
419 #define BNX2FC_FLAG_IO_COMPL		0x9
420 #define BNX2FC_FLAG_ELS_DONE		0xa
421 #define BNX2FC_FLAG_ELS_TIMEOUT		0xb
422 #define BNX2FC_FLAG_CMD_LOST		0xc
423 #define BNX2FC_FLAG_SRR_SENT		0xd
424 	u8 rec_retry;
425 	u8 srr_retry;
426 	u32 srr_offset;
427 	u8 srr_rctl;
428 	u32 fcp_resid;
429 	u32 fcp_rsp_len;
430 	u32 fcp_sns_len;
431 	u8 cdb_status; /* SCSI IO status */
432 	u8 fcp_status; /* FCP IO status */
433 	u8 fcp_rsp_code;
434 	u8 scsi_comp_flags;
435 };
436 
437 struct io_bdt {
438 	struct bnx2fc_cmd *io_req;
439 	struct fcoe_bd_ctx *bd_tbl;
440 	dma_addr_t bd_tbl_dma;
441 	u16 bd_valid;
442 };
443 
444 struct bnx2fc_work {
445 	struct list_head list;
446 	struct bnx2fc_rport *tgt;
447 	u16 wqe;
448 };
449 struct bnx2fc_unsol_els {
450 	struct fc_lport *lport;
451 	struct fc_frame *fp;
452 	struct bnx2fc_hba *hba;
453 	struct work_struct unsol_els_work;
454 };
455 
456 
457 
458 struct bnx2fc_cmd *bnx2fc_cmd_alloc(struct bnx2fc_rport *tgt);
459 struct bnx2fc_cmd *bnx2fc_elstm_alloc(struct bnx2fc_rport *tgt, int type);
460 void bnx2fc_cmd_release(struct kref *ref);
461 int bnx2fc_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *sc_cmd);
462 int bnx2fc_send_fw_fcoe_init_msg(struct bnx2fc_hba *hba);
463 int bnx2fc_send_fw_fcoe_destroy_msg(struct bnx2fc_hba *hba);
464 int bnx2fc_send_session_ofld_req(struct fcoe_port *port,
465 					struct bnx2fc_rport *tgt);
466 int bnx2fc_send_session_disable_req(struct fcoe_port *port,
467 				    struct bnx2fc_rport *tgt);
468 int bnx2fc_send_session_destroy_req(struct bnx2fc_hba *hba,
469 					struct bnx2fc_rport *tgt);
470 int bnx2fc_map_doorbell(struct bnx2fc_rport *tgt);
471 void bnx2fc_indicate_kcqe(void *context, struct kcqe *kcq[],
472 					u32 num_cqe);
473 int bnx2fc_setup_task_ctx(struct bnx2fc_hba *hba);
474 void bnx2fc_free_task_ctx(struct bnx2fc_hba *hba);
475 int bnx2fc_setup_fw_resc(struct bnx2fc_hba *hba);
476 void bnx2fc_free_fw_resc(struct bnx2fc_hba *hba);
477 struct bnx2fc_cmd_mgr *bnx2fc_cmd_mgr_alloc(struct bnx2fc_hba *hba,
478 						u16 min_xid, u16 max_xid);
479 void bnx2fc_cmd_mgr_free(struct bnx2fc_cmd_mgr *cmgr);
480 void bnx2fc_get_link_state(struct bnx2fc_hba *hba);
481 char *bnx2fc_get_next_rqe(struct bnx2fc_rport *tgt, u8 num_items);
482 void bnx2fc_return_rqe(struct bnx2fc_rport *tgt, u8 num_items);
483 int bnx2fc_get_paged_crc_eof(struct sk_buff *skb, int tlen);
484 int bnx2fc_send_rrq(struct bnx2fc_cmd *aborted_io_req);
485 int bnx2fc_send_adisc(struct bnx2fc_rport *tgt, struct fc_frame *fp);
486 int bnx2fc_send_logo(struct bnx2fc_rport *tgt, struct fc_frame *fp);
487 int bnx2fc_send_rls(struct bnx2fc_rport *tgt, struct fc_frame *fp);
488 int bnx2fc_initiate_cleanup(struct bnx2fc_cmd *io_req);
489 int bnx2fc_initiate_abts(struct bnx2fc_cmd *io_req);
490 void bnx2fc_cmd_timer_set(struct bnx2fc_cmd *io_req,
491 			  unsigned int timer_msec);
492 int bnx2fc_init_mp_req(struct bnx2fc_cmd *io_req);
493 void bnx2fc_init_cleanup_task(struct bnx2fc_cmd *io_req,
494 			      struct fcoe_task_ctx_entry *task,
495 			      u16 orig_xid);
496 void bnx2fc_init_seq_cleanup_task(struct bnx2fc_cmd *seq_clnup_req,
497 				  struct fcoe_task_ctx_entry *task,
498 				  struct bnx2fc_cmd *orig_io_req,
499 				  u32 offset);
500 void bnx2fc_init_mp_task(struct bnx2fc_cmd *io_req,
501 			 struct fcoe_task_ctx_entry *task);
502 void bnx2fc_init_task(struct bnx2fc_cmd *io_req,
503 			     struct fcoe_task_ctx_entry *task);
504 void bnx2fc_add_2_sq(struct bnx2fc_rport *tgt, u16 xid);
505 void bnx2fc_ring_doorbell(struct bnx2fc_rport *tgt);
506 int bnx2fc_eh_abort(struct scsi_cmnd *sc_cmd);
507 int bnx2fc_eh_host_reset(struct scsi_cmnd *sc_cmd);
508 int bnx2fc_eh_target_reset(struct scsi_cmnd *sc_cmd);
509 int bnx2fc_eh_device_reset(struct scsi_cmnd *sc_cmd);
510 void bnx2fc_rport_event_handler(struct fc_lport *lport,
511 				struct fc_rport_priv *rport,
512 				enum fc_rport_event event);
513 void bnx2fc_process_scsi_cmd_compl(struct bnx2fc_cmd *io_req,
514 				   struct fcoe_task_ctx_entry *task,
515 				   u8 num_rq);
516 void bnx2fc_process_cleanup_compl(struct bnx2fc_cmd *io_req,
517 			       struct fcoe_task_ctx_entry *task,
518 			       u8 num_rq);
519 void bnx2fc_process_abts_compl(struct bnx2fc_cmd *io_req,
520 			       struct fcoe_task_ctx_entry *task,
521 			       u8 num_rq);
522 void bnx2fc_process_tm_compl(struct bnx2fc_cmd *io_req,
523 			     struct fcoe_task_ctx_entry *task,
524 			     u8 num_rq);
525 void bnx2fc_process_els_compl(struct bnx2fc_cmd *els_req,
526 			      struct fcoe_task_ctx_entry *task,
527 			      u8 num_rq);
528 void bnx2fc_build_fcp_cmnd(struct bnx2fc_cmd *io_req,
529 			   struct fcp_cmnd *fcp_cmnd);
530 
531 
532 
533 void bnx2fc_flush_active_ios(struct bnx2fc_rport *tgt);
534 struct fc_seq *bnx2fc_elsct_send(struct fc_lport *lport, u32 did,
535 				      struct fc_frame *fp, unsigned int op,
536 				      void (*resp)(struct fc_seq *,
537 						   struct fc_frame *,
538 						   void *),
539 				      void *arg, u32 timeout);
540 void bnx2fc_arm_cq(struct bnx2fc_rport *tgt);
541 int bnx2fc_process_new_cqes(struct bnx2fc_rport *tgt);
542 void bnx2fc_process_cq_compl(struct bnx2fc_rport *tgt, u16 wqe);
543 struct bnx2fc_rport *bnx2fc_tgt_lookup(struct fcoe_port *port,
544 					     u32 port_id);
545 void bnx2fc_process_l2_frame_compl(struct bnx2fc_rport *tgt,
546 				   unsigned char *buf,
547 				   u32 frame_len, u16 l2_oxid);
548 int bnx2fc_send_stat_req(struct bnx2fc_hba *hba);
549 int bnx2fc_post_io_req(struct bnx2fc_rport *tgt, struct bnx2fc_cmd *io_req);
550 int bnx2fc_send_rec(struct bnx2fc_cmd *orig_io_req);
551 int bnx2fc_send_srr(struct bnx2fc_cmd *orig_io_req, u32 offset, u8 r_ctl);
552 void bnx2fc_process_seq_cleanup_compl(struct bnx2fc_cmd *seq_clnup_req,
553 				      struct fcoe_task_ctx_entry *task,
554 				      u8 rx_state);
555 int bnx2fc_initiate_seq_cleanup(struct bnx2fc_cmd *orig_io_req, u32 offset,
556 				enum fc_rctl r_ctl);
557 
558 
559 #include "bnx2fc_debug.h"
560 
561 #endif
562