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Bhanu Gollapudi853e2bd2011-02-04 12:10:34 -08001#ifndef _BNX2FC_H_
2#define _BNX2FC_H_
3/* bnx2fc.h: Broadcom NetXtreme II Linux FCoE offload driver.
4 *
Bhanu Prakash Gollapudi9b35baa2011-07-27 11:32:13 -07005 * Copyright (c) 2008 - 2011 Broadcom Corporation
Bhanu Gollapudi853e2bd2011-02-04 12:10:34 -08006 *
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#include <linux/module.h>
15#include <linux/moduleparam.h>
16#include <linux/kernel.h>
17#include <linux/skbuff.h>
18#include <linux/netdevice.h>
19#include <linux/etherdevice.h>
20#include <linux/if_ether.h>
21#include <linux/if_vlan.h>
22#include <linux/kthread.h>
23#include <linux/crc32.h>
24#include <linux/cpu.h>
25#include <linux/types.h>
26#include <linux/list.h>
27#include <linux/delay.h>
28#include <linux/timer.h>
29#include <linux/errno.h>
30#include <linux/pci.h>
31#include <linux/init.h>
32#include <linux/dma-mapping.h>
33#include <linux/workqueue.h>
34#include <linux/mutex.h>
35#include <linux/spinlock.h>
36#include <linux/bitops.h>
37#include <linux/log2.h>
38#include <linux/interrupt.h>
39#include <linux/sched.h>
40#include <linux/io.h>
41
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
59#include "57xx_hsi_bnx2fc.h"
60#include "bnx2fc_debug.h"
Jeff Kirsheradfc5212011-04-07 06:03:04 -070061#include "../../net/ethernet/broadcom/cnic_if.h"
Bhanu Gollapudi853e2bd2011-02-04 12:10:34 -080062#include "bnx2fc_constants.h"
63
64#define BNX2FC_NAME "bnx2fc"
Bhanu Prakash Gollapudi9b35baa2011-07-27 11:32:13 -070065#define BNX2FC_VERSION "1.0.4"
Bhanu Gollapudi853e2bd2011-02-04 12:10:34 -080066
67#define PFX "bnx2fc: "
68
69#define BNX2X_DOORBELL_PCI_BAR 2
70
71#define BNX2FC_MAX_BD_LEN 0xffff
72#define BNX2FC_BD_SPLIT_SZ 0x8000
73#define BNX2FC_MAX_BDS_PER_CMD 256
74
75#define BNX2FC_SQ_WQES_MAX 256
76
77#define BNX2FC_SCSI_MAX_SQES ((3 * BNX2FC_SQ_WQES_MAX) / 8)
78#define BNX2FC_TM_MAX_SQES ((BNX2FC_SQ_WQES_MAX) / 2)
79#define BNX2FC_ELS_MAX_SQES (BNX2FC_TM_MAX_SQES - 1)
80
81#define BNX2FC_RQ_WQES_MAX 16
82#define BNX2FC_CQ_WQES_MAX (BNX2FC_SQ_WQES_MAX + BNX2FC_RQ_WQES_MAX)
83
Michael Chandc219a22011-08-26 09:45:39 +000084#define BNX2FC_NUM_MAX_SESS 1024
Bhanu Gollapudi853e2bd2011-02-04 12:10:34 -080085#define BNX2FC_NUM_MAX_SESS_LOG (ilog2(BNX2FC_NUM_MAX_SESS))
86
Bhanu Gollapudi0ea5c272011-03-17 17:13:29 -070087#define BNX2FC_MAX_OUTSTANDING_CMNDS 2048
88#define BNX2FC_CAN_QUEUE BNX2FC_MAX_OUTSTANDING_CMNDS
89#define BNX2FC_ELSTM_XIDS BNX2FC_CAN_QUEUE
Bhanu Gollapudi853e2bd2011-02-04 12:10:34 -080090#define BNX2FC_MIN_PAYLOAD 256
91#define BNX2FC_MAX_PAYLOAD 2048
Bhanu Gollapudi1294bfe2011-03-17 17:13:34 -070092#define BNX2FC_MFS \
93 (BNX2FC_MAX_PAYLOAD + sizeof(struct fc_frame_header))
94#define BNX2FC_MINI_JUMBO_MTU 2500
95
Bhanu Gollapudi853e2bd2011-02-04 12:10:34 -080096
97#define BNX2FC_RQ_BUF_SZ 256
98#define BNX2FC_RQ_BUF_LOG_SZ (ilog2(BNX2FC_RQ_BUF_SZ))
99
100#define BNX2FC_SQ_WQE_SIZE (sizeof(struct fcoe_sqe))
101#define BNX2FC_CQ_WQE_SIZE (sizeof(struct fcoe_cqe))
102#define BNX2FC_RQ_WQE_SIZE (BNX2FC_RQ_BUF_SZ)
103#define BNX2FC_XFERQ_WQE_SIZE (sizeof(struct fcoe_xfrqe))
104#define BNX2FC_CONFQ_WQE_SIZE (sizeof(struct fcoe_confqe))
105#define BNX2FC_5771X_DB_PAGE_SIZE 128
106
Bhanu Gollapudi0ea5c272011-03-17 17:13:29 -0700107#define BNX2FC_MAX_TASKS \
108 (BNX2FC_MAX_OUTSTANDING_CMNDS + BNX2FC_ELSTM_XIDS)
Bhanu Gollapudi853e2bd2011-02-04 12:10:34 -0800109#define BNX2FC_TASK_SIZE 128
110#define BNX2FC_TASKS_PER_PAGE (PAGE_SIZE/BNX2FC_TASK_SIZE)
111#define BNX2FC_TASK_CTX_ARR_SZ (BNX2FC_MAX_TASKS/BNX2FC_TASKS_PER_PAGE)
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
118#define BNX2FC_READ (1 << 1)
119#define BNX2FC_WRITE (1 << 0)
120
121#define BNX2FC_MIN_XID 0
Bhanu Gollapudi0ea5c272011-03-17 17:13:29 -0700122#define BNX2FC_MAX_XID \
123 (BNX2FC_MAX_OUTSTANDING_CMNDS + BNX2FC_ELSTM_XIDS - 1)
124#define FCOE_MIN_XID (BNX2FC_MAX_XID + 1)
125#define FCOE_MAX_XID (FCOE_MIN_XID + 4095)
Bhanu Gollapudi853e2bd2011-02-04 12:10:34 -0800126#define BNX2FC_MAX_LUN 0xFFFF
127#define BNX2FC_MAX_FCP_TGT 256
128#define BNX2FC_MAX_CMD_LEN 16
129
130#define BNX2FC_TM_TIMEOUT 60 /* secs */
131#define BNX2FC_IO_TIMEOUT 20000UL /* msecs */
132
Nithin Nayak Sujirbefc9b42011-04-25 12:30:10 -0700133#define BNX2FC_WAIT_CNT 1200
Bhanu Gollapudi853e2bd2011-02-04 12:10:34 -0800134#define BNX2FC_FW_TIMEOUT (3 * HZ)
Bhanu Gollapudi853e2bd2011-02-04 12:10:34 -0800135#define PORT_MAX 2
136
137#define CMD_SCSI_STATUS(Cmnd) ((Cmnd)->SCp.Status)
138
139/* FC FCP Status */
140#define FC_GOOD 0
141
142#define BNX2FC_RNID_HBA 0x7
143
Bhanu Prakash Gollapudi74446952011-07-27 11:32:06 -0700144#define SRR_RETRY_COUNT 5
145#define REC_RETRY_COUNT 1
Bhanu Prakash Gollapudi7b594762011-07-27 11:32:07 -0700146#define BNX2FC_NUM_ERR_BITS 63
Bhanu Prakash Gollapudi74446952011-07-27 11:32:06 -0700147
Bhanu Gollapudi853e2bd2011-02-04 12:10:34 -0800148/* bnx2fc driver uses only one instance of fcoe_percpu_s */
149extern struct fcoe_percpu_s bnx2fc_global;
150
151extern struct workqueue_struct *bnx2fc_wq;
152
153struct bnx2fc_percpu_s {
154 struct task_struct *iothread;
155 struct list_head work_list;
156 spinlock_t fp_work_lock;
157};
158
Bhanu Gollapudi853e2bd2011-02-04 12:10:34 -0800159struct bnx2fc_hba {
Bhanu Prakash Gollapudiaea71a02011-07-26 14:51:39 -0700160 struct list_head list;
Bhanu Gollapudi853e2bd2011-02-04 12:10:34 -0800161 struct cnic_dev *cnic;
162 struct pci_dev *pcidev;
Bhanu Gollapudi853e2bd2011-02-04 12:10:34 -0800163 struct net_device *phys_dev;
164 unsigned long reg_with_cnic;
165 #define BNX2FC_CNIC_REGISTERED 1
Bhanu Gollapudi853e2bd2011-02-04 12:10:34 -0800166 struct bnx2fc_cmd_mgr *cmd_mgr;
Bhanu Gollapudi853e2bd2011-02-04 12:10:34 -0800167 spinlock_t hba_lock;
168 struct mutex hba_mutex;
169 unsigned long adapter_state;
170 #define ADAPTER_STATE_UP 0
171 #define ADAPTER_STATE_GOING_DOWN 1
172 #define ADAPTER_STATE_LINK_DOWN 2
173 #define ADAPTER_STATE_READY 3
Bhanu Prakash Gollapudiaea71a02011-07-26 14:51:39 -0700174 unsigned long flags;
175 #define BNX2FC_FLAG_FW_INIT_DONE 0
176 #define BNX2FC_FLAG_DESTROY_CMPL 1
Bhanu Gollapudi853e2bd2011-02-04 12:10:34 -0800177 u32 next_conn_id;
178 struct fcoe_task_ctx_entry **task_ctx;
179 dma_addr_t *task_ctx_dma;
180 struct regpair *task_ctx_bd_tbl;
181 dma_addr_t task_ctx_bd_dma;
182
183 int hash_tbl_segment_count;
184 void **hash_tbl_segments;
185 void *hash_tbl_pbl;
186 dma_addr_t hash_tbl_pbl_dma;
187 struct fcoe_t2_hash_table_entry *t2_hash_tbl;
188 dma_addr_t t2_hash_tbl_dma;
189 char *t2_hash_tbl_ptr;
190 dma_addr_t t2_hash_tbl_ptr_dma;
191
192 char *dummy_buffer;
193 dma_addr_t dummy_buf_dma;
194
Bhanu Prakash Gollapudiaea71a02011-07-26 14:51:39 -0700195 /* Active list of offloaded sessions */
196 struct bnx2fc_rport **tgt_ofld_list;
197
198 /* statistics */
Bhanu Gollapudi853e2bd2011-02-04 12:10:34 -0800199 struct fcoe_statistics_params *stats_buffer;
200 dma_addr_t stats_buf_dma;
Bhanu Prakash Gollapudiaea71a02011-07-26 14:51:39 -0700201 struct completion stat_req_done;
Bhanu Gollapudi853e2bd2011-02-04 12:10:34 -0800202
203 /*destroy handling */
204 struct timer_list destroy_timer;
205 wait_queue_head_t destroy_wait;
206
Bhanu Prakash Gollapudiaea71a02011-07-26 14:51:39 -0700207 /* linkdown handling */
208 wait_queue_head_t shutdown_wait;
209 int wait_for_link_down;
Bhanu Gollapudi853e2bd2011-02-04 12:10:34 -0800210 int num_ofld_sess;
Bhanu Prakash Gollapudiaea71a02011-07-26 14:51:39 -0700211 struct list_head vports;
Bhanu Gollapudi853e2bd2011-02-04 12:10:34 -0800212};
213
Bhanu Prakash Gollapudiaea71a02011-07-26 14:51:39 -0700214struct bnx2fc_interface {
215 struct list_head list;
216 unsigned long if_flags;
217 #define BNX2FC_CTLR_INIT_DONE 0
218 struct bnx2fc_hba *hba;
219 struct net_device *netdev;
220 struct packet_type fcoe_packet_type;
221 struct packet_type fip_packet_type;
222 struct workqueue_struct *timer_work_queue;
223 struct kref kref;
224 struct fcoe_ctlr ctlr;
225 u8 vlan_enabled;
226 int vlan_id;
227};
228
229#define bnx2fc_from_ctlr(fip) container_of(fip, struct bnx2fc_interface, ctlr)
Bhanu Gollapudi853e2bd2011-02-04 12:10:34 -0800230
Bhanu Prakash Gollapudid36b3272011-05-27 11:47:27 -0700231struct bnx2fc_lport {
232 struct list_head list;
233 struct fc_lport *lport;
234};
235
Bhanu Gollapudi853e2bd2011-02-04 12:10:34 -0800236struct bnx2fc_cmd_mgr {
237 struct bnx2fc_hba *hba;
238 u16 next_idx;
239 struct list_head *free_list;
240 spinlock_t *free_list_lock;
241 struct io_bdt **io_bdt_pool;
242 struct bnx2fc_cmd **cmds;
243};
244
245struct bnx2fc_rport {
246 struct fcoe_port *port;
247 struct fc_rport *rport;
248 struct fc_rport_priv *rdata;
249 void __iomem *ctx_base;
250#define DPM_TRIGER_TYPE 0x40
Bhanu Prakash Gollapudib252f4c2011-07-26 14:51:40 -0700251 u32 io_timeout;
Bhanu Gollapudi853e2bd2011-02-04 12:10:34 -0800252 u32 fcoe_conn_id;
253 u32 context_id;
254 u32 sid;
Bhanu Prakash Gollapudib252f4c2011-07-26 14:51:40 -0700255 int dev_type;
Bhanu Gollapudi853e2bd2011-02-04 12:10:34 -0800256
257 unsigned long flags;
258#define BNX2FC_FLAG_SESSION_READY 0x1
259#define BNX2FC_FLAG_OFFLOADED 0x2
260#define BNX2FC_FLAG_DISABLED 0x3
261#define BNX2FC_FLAG_DESTROYED 0x4
262#define BNX2FC_FLAG_OFLD_REQ_CMPL 0x5
Bhanu Prakash Gollapudiaea71a02011-07-26 14:51:39 -0700263#define BNX2FC_FLAG_CTX_ALLOC_FAILURE 0x6
264#define BNX2FC_FLAG_UPLD_REQ_COMPL 0x7
265#define BNX2FC_FLAG_EXPL_LOGO 0x8
Bhanu Gollapudi853e2bd2011-02-04 12:10:34 -0800266
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300267 u8 src_addr[ETH_ALEN];
Bhanu Gollapudi853e2bd2011-02-04 12:10:34 -0800268 u32 max_sqes;
269 u32 max_rqes;
270 u32 max_cqes;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300271 atomic_t free_sqes;
272
273 struct b577xx_doorbell_set_prod sq_db;
274 struct b577xx_fcoe_rx_doorbell rx_db;
Bhanu Gollapudi853e2bd2011-02-04 12:10:34 -0800275
276 struct fcoe_sqe *sq;
277 dma_addr_t sq_dma;
278 u16 sq_prod_idx;
279 u8 sq_curr_toggle_bit;
280 u32 sq_mem_size;
281
282 struct fcoe_cqe *cq;
283 dma_addr_t cq_dma;
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300284 u16 cq_cons_idx;
Bhanu Gollapudi853e2bd2011-02-04 12:10:34 -0800285 u8 cq_curr_toggle_bit;
286 u32 cq_mem_size;
287
288 void *rq;
289 dma_addr_t rq_dma;
290 u32 rq_prod_idx;
291 u32 rq_cons_idx;
292 u32 rq_mem_size;
293
294 void *rq_pbl;
295 dma_addr_t rq_pbl_dma;
296 u32 rq_pbl_size;
297
298 struct fcoe_xfrqe *xferq;
299 dma_addr_t xferq_dma;
300 u32 xferq_mem_size;
301
302 struct fcoe_confqe *confq;
303 dma_addr_t confq_dma;
304 u32 confq_mem_size;
305
306 void *confq_pbl;
307 dma_addr_t confq_pbl_dma;
308 u32 confq_pbl_size;
309
310 struct fcoe_conn_db *conn_db;
311 dma_addr_t conn_db_dma;
312 u32 conn_db_mem_size;
313
314 struct fcoe_sqe *lcq;
315 dma_addr_t lcq_dma;
316 u32 lcq_mem_size;
317
318 void *ofld_req[4];
319 dma_addr_t ofld_req_dma[4];
320 void *enbl_req;
321 dma_addr_t enbl_req_dma;
322
323 spinlock_t tgt_lock;
324 spinlock_t cq_lock;
325 atomic_t num_active_ios;
326 u32 flush_in_prog;
Bhanu Gollapudi853e2bd2011-02-04 12:10:34 -0800327 unsigned long timestamp;
328 struct list_head free_task_list;
329 struct bnx2fc_cmd *pending_queue[BNX2FC_SQ_WQES_MAX+1];
Bhanu Gollapudi853e2bd2011-02-04 12:10:34 -0800330 struct list_head active_cmd_queue;
331 struct list_head els_queue;
332 struct list_head io_retire_queue;
333 struct list_head active_tm_queue;
334
335 struct timer_list ofld_timer;
336 wait_queue_head_t ofld_wait;
337
338 struct timer_list upld_timer;
339 wait_queue_head_t upld_wait;
340};
341
342struct bnx2fc_mp_req {
343 u8 tm_flags;
344
345 u32 req_len;
346 void *req_buf;
347 dma_addr_t req_buf_dma;
348 struct fcoe_bd_ctx *mp_req_bd;
349 dma_addr_t mp_req_bd_dma;
350 struct fc_frame_header req_fc_hdr;
351
352 u32 resp_len;
353 void *resp_buf;
354 dma_addr_t resp_buf_dma;
355 struct fcoe_bd_ctx *mp_resp_bd;
356 dma_addr_t mp_resp_bd_dma;
357 struct fc_frame_header resp_fc_hdr;
358};
359
360struct bnx2fc_els_cb_arg {
361 struct bnx2fc_cmd *aborted_io_req;
362 struct bnx2fc_cmd *io_req;
363 u16 l2_oxid;
Bhanu Prakash Gollapudi6c5a7ce2011-07-27 11:32:05 -0700364 u32 offset;
365 enum fc_rctl r_ctl;
Bhanu Gollapudi853e2bd2011-02-04 12:10:34 -0800366};
367
368/* bnx2fc command structure */
369struct bnx2fc_cmd {
370 struct list_head link;
371 u8 on_active_queue;
372 u8 on_tmf_queue;
373 u8 cmd_type;
374#define BNX2FC_SCSI_CMD 1
375#define BNX2FC_TASK_MGMT_CMD 2
376#define BNX2FC_ABTS 3
377#define BNX2FC_ELS 4
378#define BNX2FC_CLEANUP 5
Bhanu Prakash Gollapudi6c5a7ce2011-07-27 11:32:05 -0700379#define BNX2FC_SEQ_CLEANUP 6
Bhanu Gollapudi853e2bd2011-02-04 12:10:34 -0800380 u8 io_req_flags;
381 struct kref refcount;
382 struct fcoe_port *port;
383 struct bnx2fc_rport *tgt;
384 struct scsi_cmnd *sc_cmd;
385 struct bnx2fc_cmd_mgr *cmd_mgr;
386 struct bnx2fc_mp_req mp_req;
387 void (*cb_func)(struct bnx2fc_els_cb_arg *cb_arg);
388 struct bnx2fc_els_cb_arg *cb_arg;
389 struct delayed_work timeout_work; /* timer for ULP timeouts */
390 struct completion tm_done;
391 int wait_for_comp;
392 u16 xid;
Bhanu Prakash Gollapudi74446952011-07-27 11:32:06 -0700393 struct fcoe_err_report_entry err_entry;
Bhanu Gollapudi853e2bd2011-02-04 12:10:34 -0800394 struct fcoe_task_ctx_entry *task;
395 struct io_bdt *bd_tbl;
396 struct fcp_rsp *rsp;
397 size_t data_xfer_len;
398 unsigned long req_flags;
399#define BNX2FC_FLAG_ISSUE_RRQ 0x1
400#define BNX2FC_FLAG_ISSUE_ABTS 0x2
401#define BNX2FC_FLAG_ABTS_DONE 0x3
402#define BNX2FC_FLAG_TM_COMPL 0x4
403#define BNX2FC_FLAG_TM_TIMEOUT 0x5
404#define BNX2FC_FLAG_IO_CLEANUP 0x6
405#define BNX2FC_FLAG_RETIRE_OXID 0x7
406#define BNX2FC_FLAG_EH_ABORT 0x8
407#define BNX2FC_FLAG_IO_COMPL 0x9
408#define BNX2FC_FLAG_ELS_DONE 0xa
409#define BNX2FC_FLAG_ELS_TIMEOUT 0xb
Bhanu Prakash Gollapudi74446952011-07-27 11:32:06 -0700410#define BNX2FC_FLAG_CMD_LOST 0xc
411#define BNX2FC_FLAG_SRR_SENT 0xd
412 u8 rec_retry;
413 u8 srr_retry;
414 u32 srr_offset;
415 u8 srr_rctl;
Bhanu Gollapudi853e2bd2011-02-04 12:10:34 -0800416 u32 fcp_resid;
417 u32 fcp_rsp_len;
418 u32 fcp_sns_len;
419 u8 cdb_status; /* SCSI IO status */
420 u8 fcp_status; /* FCP IO status */
421 u8 fcp_rsp_code;
422 u8 scsi_comp_flags;
423};
424
425struct io_bdt {
426 struct bnx2fc_cmd *io_req;
427 struct fcoe_bd_ctx *bd_tbl;
428 dma_addr_t bd_tbl_dma;
429 u16 bd_valid;
430};
431
432struct bnx2fc_work {
433 struct list_head list;
434 struct bnx2fc_rport *tgt;
435 u16 wqe;
436};
437struct bnx2fc_unsol_els {
438 struct fc_lport *lport;
439 struct fc_frame *fp;
Bhanu Prakash Gollapudid36b3272011-05-27 11:47:27 -0700440 struct bnx2fc_hba *hba;
Bhanu Gollapudi853e2bd2011-02-04 12:10:34 -0800441 struct work_struct unsol_els_work;
442};
443
444
445
Bhanu Prakash Gollapudi74446952011-07-27 11:32:06 -0700446struct bnx2fc_cmd *bnx2fc_cmd_alloc(struct bnx2fc_rport *tgt);
Bhanu Gollapudi853e2bd2011-02-04 12:10:34 -0800447struct bnx2fc_cmd *bnx2fc_elstm_alloc(struct bnx2fc_rport *tgt, int type);
448void bnx2fc_cmd_release(struct kref *ref);
449int bnx2fc_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *sc_cmd);
450int bnx2fc_send_fw_fcoe_init_msg(struct bnx2fc_hba *hba);
451int bnx2fc_send_fw_fcoe_destroy_msg(struct bnx2fc_hba *hba);
452int bnx2fc_send_session_ofld_req(struct fcoe_port *port,
453 struct bnx2fc_rport *tgt);
454int bnx2fc_send_session_disable_req(struct fcoe_port *port,
455 struct bnx2fc_rport *tgt);
456int bnx2fc_send_session_destroy_req(struct bnx2fc_hba *hba,
457 struct bnx2fc_rport *tgt);
458int bnx2fc_map_doorbell(struct bnx2fc_rport *tgt);
459void bnx2fc_indicate_kcqe(void *context, struct kcqe *kcq[],
460 u32 num_cqe);
461int bnx2fc_setup_task_ctx(struct bnx2fc_hba *hba);
462void bnx2fc_free_task_ctx(struct bnx2fc_hba *hba);
463int bnx2fc_setup_fw_resc(struct bnx2fc_hba *hba);
464void bnx2fc_free_fw_resc(struct bnx2fc_hba *hba);
465struct bnx2fc_cmd_mgr *bnx2fc_cmd_mgr_alloc(struct bnx2fc_hba *hba,
466 u16 min_xid, u16 max_xid);
467void bnx2fc_cmd_mgr_free(struct bnx2fc_cmd_mgr *cmgr);
468void bnx2fc_get_link_state(struct bnx2fc_hba *hba);
469char *bnx2fc_get_next_rqe(struct bnx2fc_rport *tgt, u8 num_items);
470void bnx2fc_return_rqe(struct bnx2fc_rport *tgt, u8 num_items);
471int bnx2fc_get_paged_crc_eof(struct sk_buff *skb, int tlen);
472int bnx2fc_send_rrq(struct bnx2fc_cmd *aborted_io_req);
473int bnx2fc_send_adisc(struct bnx2fc_rport *tgt, struct fc_frame *fp);
474int bnx2fc_send_logo(struct bnx2fc_rport *tgt, struct fc_frame *fp);
475int bnx2fc_send_rls(struct bnx2fc_rport *tgt, struct fc_frame *fp);
476int bnx2fc_initiate_cleanup(struct bnx2fc_cmd *io_req);
477int bnx2fc_initiate_abts(struct bnx2fc_cmd *io_req);
478void bnx2fc_cmd_timer_set(struct bnx2fc_cmd *io_req,
479 unsigned int timer_msec);
480int bnx2fc_init_mp_req(struct bnx2fc_cmd *io_req);
481void bnx2fc_init_cleanup_task(struct bnx2fc_cmd *io_req,
482 struct fcoe_task_ctx_entry *task,
483 u16 orig_xid);
Bhanu Prakash Gollapudi6c5a7ce2011-07-27 11:32:05 -0700484void bnx2fc_init_seq_cleanup_task(struct bnx2fc_cmd *seq_clnup_req,
485 struct fcoe_task_ctx_entry *task,
486 struct bnx2fc_cmd *orig_io_req,
487 u32 offset);
Bhanu Gollapudi853e2bd2011-02-04 12:10:34 -0800488void bnx2fc_init_mp_task(struct bnx2fc_cmd *io_req,
489 struct fcoe_task_ctx_entry *task);
490void bnx2fc_init_task(struct bnx2fc_cmd *io_req,
491 struct fcoe_task_ctx_entry *task);
492void bnx2fc_add_2_sq(struct bnx2fc_rport *tgt, u16 xid);
493void bnx2fc_ring_doorbell(struct bnx2fc_rport *tgt);
494int bnx2fc_eh_abort(struct scsi_cmnd *sc_cmd);
495int bnx2fc_eh_host_reset(struct scsi_cmnd *sc_cmd);
496int bnx2fc_eh_target_reset(struct scsi_cmnd *sc_cmd);
497int bnx2fc_eh_device_reset(struct scsi_cmnd *sc_cmd);
498void bnx2fc_rport_event_handler(struct fc_lport *lport,
499 struct fc_rport_priv *rport,
500 enum fc_rport_event event);
501void bnx2fc_process_scsi_cmd_compl(struct bnx2fc_cmd *io_req,
502 struct fcoe_task_ctx_entry *task,
503 u8 num_rq);
504void bnx2fc_process_cleanup_compl(struct bnx2fc_cmd *io_req,
505 struct fcoe_task_ctx_entry *task,
506 u8 num_rq);
507void bnx2fc_process_abts_compl(struct bnx2fc_cmd *io_req,
508 struct fcoe_task_ctx_entry *task,
509 u8 num_rq);
510void bnx2fc_process_tm_compl(struct bnx2fc_cmd *io_req,
511 struct fcoe_task_ctx_entry *task,
512 u8 num_rq);
513void bnx2fc_process_els_compl(struct bnx2fc_cmd *els_req,
514 struct fcoe_task_ctx_entry *task,
515 u8 num_rq);
516void bnx2fc_build_fcp_cmnd(struct bnx2fc_cmd *io_req,
517 struct fcp_cmnd *fcp_cmnd);
518
519
520
521void bnx2fc_flush_active_ios(struct bnx2fc_rport *tgt);
522struct fc_seq *bnx2fc_elsct_send(struct fc_lport *lport, u32 did,
523 struct fc_frame *fp, unsigned int op,
524 void (*resp)(struct fc_seq *,
525 struct fc_frame *,
526 void *),
527 void *arg, u32 timeout);
Vlad Zolotarov619c5cb2011-06-14 14:33:44 +0300528void bnx2fc_arm_cq(struct bnx2fc_rport *tgt);
Bhanu Gollapudi853e2bd2011-02-04 12:10:34 -0800529int bnx2fc_process_new_cqes(struct bnx2fc_rport *tgt);
530void bnx2fc_process_cq_compl(struct bnx2fc_rport *tgt, u16 wqe);
531struct bnx2fc_rport *bnx2fc_tgt_lookup(struct fcoe_port *port,
532 u32 port_id);
533void bnx2fc_process_l2_frame_compl(struct bnx2fc_rport *tgt,
534 unsigned char *buf,
535 u32 frame_len, u16 l2_oxid);
536int bnx2fc_send_stat_req(struct bnx2fc_hba *hba);
Bhanu Prakash Gollapudi74446952011-07-27 11:32:06 -0700537int bnx2fc_post_io_req(struct bnx2fc_rport *tgt, struct bnx2fc_cmd *io_req);
Bhanu Prakash Gollapudi6c5a7ce2011-07-27 11:32:05 -0700538int bnx2fc_send_rec(struct bnx2fc_cmd *orig_io_req);
539int bnx2fc_send_srr(struct bnx2fc_cmd *orig_io_req, u32 offset, u8 r_ctl);
540void bnx2fc_process_seq_cleanup_compl(struct bnx2fc_cmd *seq_clnup_req,
541 struct fcoe_task_ctx_entry *task,
542 u8 rx_state);
543int bnx2fc_initiate_seq_cleanup(struct bnx2fc_cmd *orig_io_req, u32 offset,
544 enum fc_rctl r_ctl);
Bhanu Gollapudi853e2bd2011-02-04 12:10:34 -0800545
546#endif