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853e2bd2 BG |
1 | #ifndef _BNX2FC_H_ |
2 | #define _BNX2FC_H_ | |
3 | /* bnx2fc.h: Broadcom NetXtreme II Linux FCoE offload driver. | |
4 | * | |
cf122191 | 5 | * Copyright (c) 2008 - 2013 Broadcom Corporation |
853e2bd2 BG |
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 | ||
3db8cc10 JP |
14 | #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt |
15 | ||
853e2bd2 BG |
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" | |
adfc5217 | 62 | #include "../../net/ethernet/broadcom/cnic_if.h" |
2e499d3c | 63 | #include "../../net/ethernet/broadcom/bnx2x/bnx2x_mfw_req.h" |
853e2bd2 BG |
64 | #include "bnx2fc_constants.h" |
65 | ||
66 | #define BNX2FC_NAME "bnx2fc" | |
38e83bff | 67 | #define BNX2FC_VERSION "2.4.2" |
853e2bd2 BG |
68 | |
69 | #define PFX "bnx2fc: " | |
70 | ||
c13d2b6d BPG |
71 | #define BCM_CHIP_LEN 16 |
72 | ||
853e2bd2 BG |
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 | ||
dc219a2e | 88 | #define BNX2FC_NUM_MAX_SESS 1024 |
853e2bd2 BG |
89 | #define BNX2FC_NUM_MAX_SESS_LOG (ilog2(BNX2FC_NUM_MAX_SESS)) |
90 | ||
2e499d3c BW |
91 | #define BNX2FC_MAX_NPIV 256 |
92 | ||
853e2bd2 BG |
93 | #define BNX2FC_MIN_PAYLOAD 256 |
94 | #define BNX2FC_MAX_PAYLOAD 2048 | |
1294bfe6 BG |
95 | #define BNX2FC_MFS \ |
96 | (BNX2FC_MAX_PAYLOAD + sizeof(struct fc_frame_header)) | |
97 | #define BNX2FC_MINI_JUMBO_MTU 2500 | |
98 | ||
853e2bd2 BG |
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)) | |
f78afb35 | 108 | #define BNX2X_DB_SHIFT 3 |
853e2bd2 | 109 | |
853e2bd2 BG |
110 | #define BNX2FC_TASK_SIZE 128 |
111 | #define BNX2FC_TASKS_PER_PAGE (PAGE_SIZE/BNX2FC_TASK_SIZE) | |
853e2bd2 BG |
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 | |
44c570b5 BPG |
117 | #define BNX2FC_MAX_RETRY_CNT 3 |
118 | #define BNX2FC_MAX_RPORT_RETRY_CNT 255 | |
853e2bd2 BG |
119 | |
120 | #define BNX2FC_READ (1 << 1) | |
121 | #define BNX2FC_WRITE (1 << 0) | |
122 | ||
123 | #define BNX2FC_MIN_XID 0 | |
7d742f65 | 124 | #define FCOE_MAX_NUM_XIDS 0x2000 |
0eb43b4b BPG |
125 | #define FCOE_MAX_XID_OFFSET (FCOE_MAX_NUM_XIDS - 1) |
126 | #define FCOE_XIDS_PER_CPU_OFFSET ((512 * nr_cpu_ids) - 1) | |
853e2bd2 BG |
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 | ||
befc9b4d | 134 | #define BNX2FC_WAIT_CNT 1200 |
853e2bd2 | 135 | #define BNX2FC_FW_TIMEOUT (3 * HZ) |
853e2bd2 BG |
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 | ||
74446954 BPG |
145 | #define SRR_RETRY_COUNT 5 |
146 | #define REC_RETRY_COUNT 1 | |
7b594769 | 147 | #define BNX2FC_NUM_ERR_BITS 63 |
74446954 | 148 | |
99cc600c BPG |
149 | #define BNX2FC_RELOGIN_WAIT_TIME 200 |
150 | #define BNX2FC_RELOGIN_WAIT_CNT 10 | |
151 | ||
f246fe2a BPG |
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 | ||
853e2bd2 BG |
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 | ||
f246fe2a BPG |
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 | ||
853e2bd2 | 183 | struct bnx2fc_hba { |
aea71a02 | 184 | struct list_head list; |
853e2bd2 BG |
185 | struct cnic_dev *cnic; |
186 | struct pci_dev *pcidev; | |
853e2bd2 BG |
187 | struct net_device *phys_dev; |
188 | unsigned long reg_with_cnic; | |
189 | #define BNX2FC_CNIC_REGISTERED 1 | |
853e2bd2 | 190 | struct bnx2fc_cmd_mgr *cmd_mgr; |
853e2bd2 BG |
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 | |
aea71a02 BPG |
198 | unsigned long flags; |
199 | #define BNX2FC_FLAG_FW_INIT_DONE 0 | |
200 | #define BNX2FC_FLAG_DESTROY_CMPL 1 | |
853e2bd2 | 201 | u32 next_conn_id; |
0eb43b4b BPG |
202 | |
203 | /* xid resources */ | |
204 | u16 max_xid; | |
205 | u32 max_tasks; | |
206 | u32 max_outstanding_cmds; | |
207 | u32 elstm_xids; | |
208 | ||
853e2bd2 BG |
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 | ||
aea71a02 BPG |
226 | /* Active list of offloaded sessions */ |
227 | struct bnx2fc_rport **tgt_ofld_list; | |
228 | ||
229 | /* statistics */ | |
f246fe2a BPG |
230 | struct bnx2fc_fw_stats bfw_stats; |
231 | struct fcoe_statistics_params prev_stats; | |
853e2bd2 BG |
232 | struct fcoe_statistics_params *stats_buffer; |
233 | dma_addr_t stats_buf_dma; | |
aea71a02 | 234 | struct completion stat_req_done; |
2e499d3c | 235 | struct fcoe_capabilities fcoe_cap; |
853e2bd2 BG |
236 | |
237 | /*destroy handling */ | |
238 | struct timer_list destroy_timer; | |
239 | wait_queue_head_t destroy_wait; | |
240 | ||
aea71a02 BPG |
241 | /* linkdown handling */ |
242 | wait_queue_head_t shutdown_wait; | |
243 | int wait_for_link_down; | |
853e2bd2 | 244 | int num_ofld_sess; |
aea71a02 | 245 | struct list_head vports; |
c13d2b6d BPG |
246 | |
247 | char chip_num[BCM_CHIP_LEN]; | |
aea71a02 | 248 | }; |
853e2bd2 | 249 | |
aea71a02 BPG |
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; | |
aea71a02 BPG |
260 | u8 vlan_enabled; |
261 | int vlan_id; | |
8a5badf1 | 262 | bool enabled; |
853e2bd2 BG |
263 | }; |
264 | ||
fd8f8902 RL |
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)) | |
853e2bd2 | 270 | |
d36b3279 BPG |
271 | struct bnx2fc_lport { |
272 | struct list_head list; | |
273 | struct fc_lport *lport; | |
274 | }; | |
275 | ||
853e2bd2 BG |
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 | |
b252f4c7 | 291 | u32 io_timeout; |
853e2bd2 BG |
292 | u32 fcoe_conn_id; |
293 | u32 context_id; | |
294 | u32 sid; | |
b252f4c7 | 295 | int dev_type; |
853e2bd2 BG |
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 | |
aea71a02 BPG |
303 | #define BNX2FC_FLAG_CTX_ALLOC_FAILURE 0x6 |
304 | #define BNX2FC_FLAG_UPLD_REQ_COMPL 0x7 | |
305 | #define BNX2FC_FLAG_EXPL_LOGO 0x8 | |
5c17ae21 | 306 | #define BNX2FC_FLAG_DISABLE_FAILED 0x9 |
e7f4fed5 | 307 | #define BNX2FC_FLAG_ENABLED 0xa |
853e2bd2 | 308 | |
619c5cb6 | 309 | u8 src_addr[ETH_ALEN]; |
853e2bd2 BG |
310 | u32 max_sqes; |
311 | u32 max_rqes; | |
312 | u32 max_cqes; | |
619c5cb6 VZ |
313 | atomic_t free_sqes; |
314 | ||
315 | struct b577xx_doorbell_set_prod sq_db; | |
316 | struct b577xx_fcoe_rx_doorbell rx_db; | |
853e2bd2 BG |
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; | |
619c5cb6 | 326 | u16 cq_cons_idx; |
853e2bd2 BG |
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; | |
853e2bd2 | 369 | unsigned long timestamp; |
245a5754 | 370 | unsigned long retry_delay_timestamp; |
853e2bd2 BG |
371 | struct list_head free_task_list; |
372 | struct bnx2fc_cmd *pending_queue[BNX2FC_SQ_WQES_MAX+1]; | |
853e2bd2 BG |
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; | |
6c5a7ce4 BPG |
407 | u32 offset; |
408 | enum fc_rctl r_ctl; | |
853e2bd2 BG |
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 | |
6c5a7ce4 | 422 | #define BNX2FC_SEQ_CLEANUP 6 |
853e2bd2 BG |
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; | |
74446954 | 436 | struct fcoe_err_report_entry err_entry; |
853e2bd2 BG |
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 | |
74446954 BPG |
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; | |
853e2bd2 BG |
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; | |
d36b3279 | 483 | struct bnx2fc_hba *hba; |
853e2bd2 BG |
484 | struct work_struct unsol_els_work; |
485 | }; | |
486 | ||
487 | ||
488 | ||
74446954 | 489 | struct bnx2fc_cmd *bnx2fc_cmd_alloc(struct bnx2fc_rport *tgt); |
853e2bd2 BG |
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); | |
e7f4fed5 BPG |
497 | int bnx2fc_send_session_enable_req(struct fcoe_port *port, |
498 | struct bnx2fc_rport *tgt); | |
853e2bd2 BG |
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); | |
0eb43b4b | 510 | struct bnx2fc_cmd_mgr *bnx2fc_cmd_mgr_alloc(struct bnx2fc_hba *hba); |
853e2bd2 BG |
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); | |
6c5a7ce4 BPG |
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); | |
853e2bd2 BG |
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); | |
619c5cb6 | 572 | void bnx2fc_arm_cq(struct bnx2fc_rport *tgt); |
853e2bd2 BG |
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); | |
74446954 | 581 | int bnx2fc_post_io_req(struct bnx2fc_rport *tgt, struct bnx2fc_cmd *io_req); |
6c5a7ce4 BPG |
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); | |
853e2bd2 | 589 | |
3db8cc10 JP |
590 | |
591 | #include "bnx2fc_debug.h" | |
592 | ||
853e2bd2 | 593 | #endif |