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de909d87 | 1 | /* bnx2fc.h: QLogic Linux FCoE offload driver. |
853e2bd2 | 2 | * |
97586090 CD |
3 | * Copyright (c) 2008-2013 Broadcom Corporation |
4 | * Copyright (c) 2014-2015 QLogic Corporation | |
853e2bd2 BG |
5 | * |
6 | * This program is free software; you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License as published by | |
8 | * the Free Software Foundation. | |
9 | * | |
10 | * Written by: Bhanu Prakash Gollapudi (bprakash@broadcom.com) | |
11 | */ | |
12 | ||
17d87c45 SK |
13 | #ifndef _BNX2FC_H_ |
14 | #define _BNX2FC_H_ | |
3db8cc10 JP |
15 | #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt |
16 | ||
853e2bd2 BG |
17 | #include <linux/module.h> |
18 | #include <linux/moduleparam.h> | |
19 | #include <linux/kernel.h> | |
20 | #include <linux/skbuff.h> | |
21 | #include <linux/netdevice.h> | |
22 | #include <linux/etherdevice.h> | |
23 | #include <linux/if_ether.h> | |
24 | #include <linux/if_vlan.h> | |
25 | #include <linux/kthread.h> | |
26 | #include <linux/crc32.h> | |
27 | #include <linux/cpu.h> | |
28 | #include <linux/types.h> | |
29 | #include <linux/list.h> | |
30 | #include <linux/delay.h> | |
31 | #include <linux/timer.h> | |
32 | #include <linux/errno.h> | |
33 | #include <linux/pci.h> | |
34 | #include <linux/init.h> | |
35 | #include <linux/dma-mapping.h> | |
36 | #include <linux/workqueue.h> | |
37 | #include <linux/mutex.h> | |
38 | #include <linux/spinlock.h> | |
39 | #include <linux/bitops.h> | |
40 | #include <linux/log2.h> | |
41 | #include <linux/interrupt.h> | |
3f07c014 | 42 | #include <linux/sched/signal.h> |
853e2bd2 BG |
43 | #include <linux/io.h> |
44 | ||
45 | #include <scsi/scsi.h> | |
46 | #include <scsi/scsi_host.h> | |
47 | #include <scsi/scsi_device.h> | |
48 | #include <scsi/scsi_cmnd.h> | |
49 | #include <scsi/scsi_eh.h> | |
50 | #include <scsi/scsi_tcq.h> | |
51 | #include <scsi/libfc.h> | |
52 | #include <scsi/libfcoe.h> | |
53 | #include <scsi/fc_encode.h> | |
54 | #include <scsi/scsi_transport.h> | |
55 | #include <scsi/scsi_transport_fc.h> | |
56 | #include <scsi/fc/fc_fip.h> | |
57 | #include <scsi/fc/fc_fc2.h> | |
58 | #include <scsi/fc_frame.h> | |
59 | #include <scsi/fc/fc_fcoe.h> | |
60 | #include <scsi/fc/fc_fcp.h> | |
61 | ||
62 | #include "57xx_hsi_bnx2fc.h" | |
adfc5217 | 63 | #include "../../net/ethernet/broadcom/cnic_if.h" |
2e499d3c | 64 | #include "../../net/ethernet/broadcom/bnx2x/bnx2x_mfw_req.h" |
853e2bd2 BG |
65 | #include "bnx2fc_constants.h" |
66 | ||
67 | #define BNX2FC_NAME "bnx2fc" | |
63f21677 | 68 | #define BNX2FC_VERSION "2.10.3" |
853e2bd2 BG |
69 | |
70 | #define PFX "bnx2fc: " | |
71 | ||
c13d2b6d BPG |
72 | #define BCM_CHIP_LEN 16 |
73 | ||
853e2bd2 BG |
74 | #define BNX2X_DOORBELL_PCI_BAR 2 |
75 | ||
76 | #define BNX2FC_MAX_BD_LEN 0xffff | |
77 | #define BNX2FC_BD_SPLIT_SZ 0x8000 | |
78 | #define BNX2FC_MAX_BDS_PER_CMD 256 | |
79 | ||
80 | #define BNX2FC_SQ_WQES_MAX 256 | |
81 | ||
82 | #define BNX2FC_SCSI_MAX_SQES ((3 * BNX2FC_SQ_WQES_MAX) / 8) | |
83 | #define BNX2FC_TM_MAX_SQES ((BNX2FC_SQ_WQES_MAX) / 2) | |
84 | #define BNX2FC_ELS_MAX_SQES (BNX2FC_TM_MAX_SQES - 1) | |
85 | ||
86 | #define BNX2FC_RQ_WQES_MAX 16 | |
87 | #define BNX2FC_CQ_WQES_MAX (BNX2FC_SQ_WQES_MAX + BNX2FC_RQ_WQES_MAX) | |
88 | ||
dc219a2e | 89 | #define BNX2FC_NUM_MAX_SESS 1024 |
853e2bd2 BG |
90 | #define BNX2FC_NUM_MAX_SESS_LOG (ilog2(BNX2FC_NUM_MAX_SESS)) |
91 | ||
2e499d3c BW |
92 | #define BNX2FC_MAX_NPIV 256 |
93 | ||
853e2bd2 BG |
94 | #define BNX2FC_MIN_PAYLOAD 256 |
95 | #define BNX2FC_MAX_PAYLOAD 2048 | |
1294bfe6 BG |
96 | #define BNX2FC_MFS \ |
97 | (BNX2FC_MAX_PAYLOAD + sizeof(struct fc_frame_header)) | |
98 | #define BNX2FC_MINI_JUMBO_MTU 2500 | |
99 | ||
853e2bd2 BG |
100 | |
101 | #define BNX2FC_RQ_BUF_SZ 256 | |
102 | #define BNX2FC_RQ_BUF_LOG_SZ (ilog2(BNX2FC_RQ_BUF_SZ)) | |
103 | ||
104 | #define BNX2FC_SQ_WQE_SIZE (sizeof(struct fcoe_sqe)) | |
105 | #define BNX2FC_CQ_WQE_SIZE (sizeof(struct fcoe_cqe)) | |
106 | #define BNX2FC_RQ_WQE_SIZE (BNX2FC_RQ_BUF_SZ) | |
107 | #define BNX2FC_XFERQ_WQE_SIZE (sizeof(struct fcoe_xfrqe)) | |
108 | #define BNX2FC_CONFQ_WQE_SIZE (sizeof(struct fcoe_confqe)) | |
f78afb35 | 109 | #define BNX2X_DB_SHIFT 3 |
853e2bd2 | 110 | |
853e2bd2 BG |
111 | #define BNX2FC_TASK_SIZE 128 |
112 | #define BNX2FC_TASKS_PER_PAGE (PAGE_SIZE/BNX2FC_TASK_SIZE) | |
853e2bd2 BG |
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 | |
44c570b5 BPG |
118 | #define BNX2FC_MAX_RETRY_CNT 3 |
119 | #define BNX2FC_MAX_RPORT_RETRY_CNT 255 | |
853e2bd2 BG |
120 | |
121 | #define BNX2FC_READ (1 << 1) | |
122 | #define BNX2FC_WRITE (1 << 0) | |
123 | ||
124 | #define BNX2FC_MIN_XID 0 | |
7d742f65 | 125 | #define FCOE_MAX_NUM_XIDS 0x2000 |
0eb43b4b BPG |
126 | #define FCOE_MAX_XID_OFFSET (FCOE_MAX_NUM_XIDS - 1) |
127 | #define FCOE_XIDS_PER_CPU_OFFSET ((512 * nr_cpu_ids) - 1) | |
853e2bd2 BG |
128 | #define BNX2FC_MAX_LUN 0xFFFF |
129 | #define BNX2FC_MAX_FCP_TGT 256 | |
130 | #define BNX2FC_MAX_CMD_LEN 16 | |
131 | ||
132 | #define BNX2FC_TM_TIMEOUT 60 /* secs */ | |
133 | #define BNX2FC_IO_TIMEOUT 20000UL /* msecs */ | |
134 | ||
befc9b4d | 135 | #define BNX2FC_WAIT_CNT 1200 |
853e2bd2 | 136 | #define BNX2FC_FW_TIMEOUT (3 * HZ) |
853e2bd2 BG |
137 | #define PORT_MAX 2 |
138 | ||
139 | #define CMD_SCSI_STATUS(Cmnd) ((Cmnd)->SCp.Status) | |
140 | ||
141 | /* FC FCP Status */ | |
142 | #define FC_GOOD 0 | |
143 | ||
144 | #define BNX2FC_RNID_HBA 0x7 | |
145 | ||
74446954 BPG |
146 | #define SRR_RETRY_COUNT 5 |
147 | #define REC_RETRY_COUNT 1 | |
7b594769 | 148 | #define BNX2FC_NUM_ERR_BITS 63 |
74446954 | 149 | |
99cc600c BPG |
150 | #define BNX2FC_RELOGIN_WAIT_TIME 200 |
151 | #define BNX2FC_RELOGIN_WAIT_CNT 10 | |
152 | ||
f246fe2a BPG |
153 | #define BNX2FC_STATS(hba, stat, cnt) \ |
154 | do { \ | |
155 | u32 val; \ | |
156 | \ | |
157 | val = fw_stats->stat.cnt; \ | |
158 | if (hba->prev_stats.stat.cnt <= val) \ | |
159 | val -= hba->prev_stats.stat.cnt; \ | |
160 | else \ | |
161 | val += (0xfffffff - hba->prev_stats.stat.cnt); \ | |
162 | hba->bfw_stats.cnt += val; \ | |
163 | } while (0) | |
164 | ||
853e2bd2 BG |
165 | /* bnx2fc driver uses only one instance of fcoe_percpu_s */ |
166 | extern struct fcoe_percpu_s bnx2fc_global; | |
167 | ||
168 | extern struct workqueue_struct *bnx2fc_wq; | |
169 | ||
170 | struct bnx2fc_percpu_s { | |
171 | struct task_struct *iothread; | |
172 | struct list_head work_list; | |
173 | spinlock_t fp_work_lock; | |
174 | }; | |
175 | ||
f246fe2a BPG |
176 | struct bnx2fc_fw_stats { |
177 | u64 fc_crc_cnt; | |
178 | u64 fcoe_tx_pkt_cnt; | |
179 | u64 fcoe_rx_pkt_cnt; | |
180 | u64 fcoe_tx_byte_cnt; | |
181 | u64 fcoe_rx_byte_cnt; | |
182 | }; | |
183 | ||
853e2bd2 | 184 | struct bnx2fc_hba { |
aea71a02 | 185 | struct list_head list; |
853e2bd2 BG |
186 | struct cnic_dev *cnic; |
187 | struct pci_dev *pcidev; | |
853e2bd2 BG |
188 | struct net_device *phys_dev; |
189 | unsigned long reg_with_cnic; | |
190 | #define BNX2FC_CNIC_REGISTERED 1 | |
853e2bd2 | 191 | struct bnx2fc_cmd_mgr *cmd_mgr; |
853e2bd2 BG |
192 | spinlock_t hba_lock; |
193 | struct mutex hba_mutex; | |
c2dd893a | 194 | struct mutex hba_stats_mutex; |
853e2bd2 BG |
195 | unsigned long adapter_state; |
196 | #define ADAPTER_STATE_UP 0 | |
197 | #define ADAPTER_STATE_GOING_DOWN 1 | |
198 | #define ADAPTER_STATE_LINK_DOWN 2 | |
199 | #define ADAPTER_STATE_READY 3 | |
aea71a02 BPG |
200 | unsigned long flags; |
201 | #define BNX2FC_FLAG_FW_INIT_DONE 0 | |
202 | #define BNX2FC_FLAG_DESTROY_CMPL 1 | |
853e2bd2 | 203 | u32 next_conn_id; |
0eb43b4b BPG |
204 | |
205 | /* xid resources */ | |
206 | u16 max_xid; | |
207 | u32 max_tasks; | |
208 | u32 max_outstanding_cmds; | |
209 | u32 elstm_xids; | |
210 | ||
853e2bd2 BG |
211 | struct fcoe_task_ctx_entry **task_ctx; |
212 | dma_addr_t *task_ctx_dma; | |
213 | struct regpair *task_ctx_bd_tbl; | |
214 | dma_addr_t task_ctx_bd_dma; | |
215 | ||
216 | int hash_tbl_segment_count; | |
217 | void **hash_tbl_segments; | |
218 | void *hash_tbl_pbl; | |
219 | dma_addr_t hash_tbl_pbl_dma; | |
220 | struct fcoe_t2_hash_table_entry *t2_hash_tbl; | |
221 | dma_addr_t t2_hash_tbl_dma; | |
222 | char *t2_hash_tbl_ptr; | |
223 | dma_addr_t t2_hash_tbl_ptr_dma; | |
224 | ||
225 | char *dummy_buffer; | |
226 | dma_addr_t dummy_buf_dma; | |
227 | ||
aea71a02 BPG |
228 | /* Active list of offloaded sessions */ |
229 | struct bnx2fc_rport **tgt_ofld_list; | |
230 | ||
231 | /* statistics */ | |
f246fe2a BPG |
232 | struct bnx2fc_fw_stats bfw_stats; |
233 | struct fcoe_statistics_params prev_stats; | |
853e2bd2 BG |
234 | struct fcoe_statistics_params *stats_buffer; |
235 | dma_addr_t stats_buf_dma; | |
aea71a02 | 236 | struct completion stat_req_done; |
2e499d3c | 237 | struct fcoe_capabilities fcoe_cap; |
853e2bd2 BG |
238 | |
239 | /*destroy handling */ | |
240 | struct timer_list destroy_timer; | |
241 | wait_queue_head_t destroy_wait; | |
242 | ||
aea71a02 BPG |
243 | /* linkdown handling */ |
244 | wait_queue_head_t shutdown_wait; | |
245 | int wait_for_link_down; | |
853e2bd2 | 246 | int num_ofld_sess; |
aea71a02 | 247 | struct list_head vports; |
c13d2b6d BPG |
248 | |
249 | char chip_num[BCM_CHIP_LEN]; | |
aea71a02 | 250 | }; |
853e2bd2 | 251 | |
aea71a02 BPG |
252 | struct bnx2fc_interface { |
253 | struct list_head list; | |
254 | unsigned long if_flags; | |
255 | #define BNX2FC_CTLR_INIT_DONE 0 | |
256 | struct bnx2fc_hba *hba; | |
257 | struct net_device *netdev; | |
258 | struct packet_type fcoe_packet_type; | |
259 | struct packet_type fip_packet_type; | |
260 | struct workqueue_struct *timer_work_queue; | |
261 | struct kref kref; | |
aea71a02 BPG |
262 | u8 vlan_enabled; |
263 | int vlan_id; | |
8a5badf1 | 264 | bool enabled; |
10755d3f | 265 | u8 tm_timeout; |
853e2bd2 BG |
266 | }; |
267 | ||
fd8f8902 RL |
268 | #define bnx2fc_from_ctlr(x) \ |
269 | ((struct bnx2fc_interface *)((x) + 1)) | |
270 | ||
271 | #define bnx2fc_to_ctlr(x) \ | |
272 | ((struct fcoe_ctlr *)(((struct fcoe_ctlr *)(x)) - 1)) | |
853e2bd2 | 273 | |
d36b3279 BPG |
274 | struct bnx2fc_lport { |
275 | struct list_head list; | |
276 | struct fc_lport *lport; | |
277 | }; | |
278 | ||
853e2bd2 BG |
279 | struct bnx2fc_cmd_mgr { |
280 | struct bnx2fc_hba *hba; | |
281 | u16 next_idx; | |
282 | struct list_head *free_list; | |
283 | spinlock_t *free_list_lock; | |
284 | struct io_bdt **io_bdt_pool; | |
285 | struct bnx2fc_cmd **cmds; | |
286 | }; | |
287 | ||
288 | struct bnx2fc_rport { | |
289 | struct fcoe_port *port; | |
290 | struct fc_rport *rport; | |
291 | struct fc_rport_priv *rdata; | |
292 | void __iomem *ctx_base; | |
293 | #define DPM_TRIGER_TYPE 0x40 | |
b252f4c7 | 294 | u32 io_timeout; |
853e2bd2 BG |
295 | u32 fcoe_conn_id; |
296 | u32 context_id; | |
297 | u32 sid; | |
b252f4c7 | 298 | int dev_type; |
853e2bd2 BG |
299 | |
300 | unsigned long flags; | |
301 | #define BNX2FC_FLAG_SESSION_READY 0x1 | |
302 | #define BNX2FC_FLAG_OFFLOADED 0x2 | |
303 | #define BNX2FC_FLAG_DISABLED 0x3 | |
304 | #define BNX2FC_FLAG_DESTROYED 0x4 | |
305 | #define BNX2FC_FLAG_OFLD_REQ_CMPL 0x5 | |
aea71a02 BPG |
306 | #define BNX2FC_FLAG_CTX_ALLOC_FAILURE 0x6 |
307 | #define BNX2FC_FLAG_UPLD_REQ_COMPL 0x7 | |
5c17ae21 | 308 | #define BNX2FC_FLAG_DISABLE_FAILED 0x9 |
e7f4fed5 | 309 | #define BNX2FC_FLAG_ENABLED 0xa |
853e2bd2 | 310 | |
619c5cb6 | 311 | u8 src_addr[ETH_ALEN]; |
853e2bd2 BG |
312 | u32 max_sqes; |
313 | u32 max_rqes; | |
314 | u32 max_cqes; | |
619c5cb6 VZ |
315 | atomic_t free_sqes; |
316 | ||
317 | struct b577xx_doorbell_set_prod sq_db; | |
318 | struct b577xx_fcoe_rx_doorbell rx_db; | |
853e2bd2 BG |
319 | |
320 | struct fcoe_sqe *sq; | |
321 | dma_addr_t sq_dma; | |
322 | u16 sq_prod_idx; | |
323 | u8 sq_curr_toggle_bit; | |
324 | u32 sq_mem_size; | |
325 | ||
326 | struct fcoe_cqe *cq; | |
327 | dma_addr_t cq_dma; | |
619c5cb6 | 328 | u16 cq_cons_idx; |
853e2bd2 BG |
329 | u8 cq_curr_toggle_bit; |
330 | u32 cq_mem_size; | |
331 | ||
332 | void *rq; | |
333 | dma_addr_t rq_dma; | |
334 | u32 rq_prod_idx; | |
335 | u32 rq_cons_idx; | |
336 | u32 rq_mem_size; | |
337 | ||
338 | void *rq_pbl; | |
339 | dma_addr_t rq_pbl_dma; | |
340 | u32 rq_pbl_size; | |
341 | ||
342 | struct fcoe_xfrqe *xferq; | |
343 | dma_addr_t xferq_dma; | |
344 | u32 xferq_mem_size; | |
345 | ||
346 | struct fcoe_confqe *confq; | |
347 | dma_addr_t confq_dma; | |
348 | u32 confq_mem_size; | |
349 | ||
350 | void *confq_pbl; | |
351 | dma_addr_t confq_pbl_dma; | |
352 | u32 confq_pbl_size; | |
353 | ||
354 | struct fcoe_conn_db *conn_db; | |
355 | dma_addr_t conn_db_dma; | |
356 | u32 conn_db_mem_size; | |
357 | ||
358 | struct fcoe_sqe *lcq; | |
359 | dma_addr_t lcq_dma; | |
360 | u32 lcq_mem_size; | |
361 | ||
362 | void *ofld_req[4]; | |
363 | dma_addr_t ofld_req_dma[4]; | |
364 | void *enbl_req; | |
365 | dma_addr_t enbl_req_dma; | |
366 | ||
367 | spinlock_t tgt_lock; | |
368 | spinlock_t cq_lock; | |
369 | atomic_t num_active_ios; | |
370 | u32 flush_in_prog; | |
853e2bd2 | 371 | unsigned long timestamp; |
245a5754 | 372 | unsigned long retry_delay_timestamp; |
853e2bd2 BG |
373 | struct list_head free_task_list; |
374 | struct bnx2fc_cmd *pending_queue[BNX2FC_SQ_WQES_MAX+1]; | |
853e2bd2 BG |
375 | struct list_head active_cmd_queue; |
376 | struct list_head els_queue; | |
377 | struct list_head io_retire_queue; | |
378 | struct list_head active_tm_queue; | |
379 | ||
380 | struct timer_list ofld_timer; | |
381 | wait_queue_head_t ofld_wait; | |
382 | ||
383 | struct timer_list upld_timer; | |
384 | wait_queue_head_t upld_wait; | |
385 | }; | |
386 | ||
387 | struct bnx2fc_mp_req { | |
388 | u8 tm_flags; | |
389 | ||
390 | u32 req_len; | |
391 | void *req_buf; | |
392 | dma_addr_t req_buf_dma; | |
393 | struct fcoe_bd_ctx *mp_req_bd; | |
394 | dma_addr_t mp_req_bd_dma; | |
395 | struct fc_frame_header req_fc_hdr; | |
396 | ||
397 | u32 resp_len; | |
398 | void *resp_buf; | |
399 | dma_addr_t resp_buf_dma; | |
400 | struct fcoe_bd_ctx *mp_resp_bd; | |
401 | dma_addr_t mp_resp_bd_dma; | |
402 | struct fc_frame_header resp_fc_hdr; | |
403 | }; | |
404 | ||
405 | struct bnx2fc_els_cb_arg { | |
406 | struct bnx2fc_cmd *aborted_io_req; | |
407 | struct bnx2fc_cmd *io_req; | |
408 | u16 l2_oxid; | |
6c5a7ce4 BPG |
409 | u32 offset; |
410 | enum fc_rctl r_ctl; | |
853e2bd2 BG |
411 | }; |
412 | ||
413 | /* bnx2fc command structure */ | |
414 | struct bnx2fc_cmd { | |
415 | struct list_head link; | |
416 | u8 on_active_queue; | |
417 | u8 on_tmf_queue; | |
418 | u8 cmd_type; | |
419 | #define BNX2FC_SCSI_CMD 1 | |
420 | #define BNX2FC_TASK_MGMT_CMD 2 | |
421 | #define BNX2FC_ABTS 3 | |
422 | #define BNX2FC_ELS 4 | |
423 | #define BNX2FC_CLEANUP 5 | |
6c5a7ce4 | 424 | #define BNX2FC_SEQ_CLEANUP 6 |
853e2bd2 BG |
425 | u8 io_req_flags; |
426 | struct kref refcount; | |
427 | struct fcoe_port *port; | |
428 | struct bnx2fc_rport *tgt; | |
429 | struct scsi_cmnd *sc_cmd; | |
430 | struct bnx2fc_cmd_mgr *cmd_mgr; | |
431 | struct bnx2fc_mp_req mp_req; | |
432 | void (*cb_func)(struct bnx2fc_els_cb_arg *cb_arg); | |
433 | struct bnx2fc_els_cb_arg *cb_arg; | |
434 | struct delayed_work timeout_work; /* timer for ULP timeouts */ | |
435 | struct completion tm_done; | |
436 | int wait_for_comp; | |
437 | u16 xid; | |
74446954 | 438 | struct fcoe_err_report_entry err_entry; |
853e2bd2 BG |
439 | struct fcoe_task_ctx_entry *task; |
440 | struct io_bdt *bd_tbl; | |
441 | struct fcp_rsp *rsp; | |
442 | size_t data_xfer_len; | |
443 | unsigned long req_flags; | |
444 | #define BNX2FC_FLAG_ISSUE_RRQ 0x1 | |
445 | #define BNX2FC_FLAG_ISSUE_ABTS 0x2 | |
446 | #define BNX2FC_FLAG_ABTS_DONE 0x3 | |
447 | #define BNX2FC_FLAG_TM_COMPL 0x4 | |
448 | #define BNX2FC_FLAG_TM_TIMEOUT 0x5 | |
449 | #define BNX2FC_FLAG_IO_CLEANUP 0x6 | |
450 | #define BNX2FC_FLAG_RETIRE_OXID 0x7 | |
451 | #define BNX2FC_FLAG_EH_ABORT 0x8 | |
452 | #define BNX2FC_FLAG_IO_COMPL 0x9 | |
453 | #define BNX2FC_FLAG_ELS_DONE 0xa | |
454 | #define BNX2FC_FLAG_ELS_TIMEOUT 0xb | |
74446954 BPG |
455 | #define BNX2FC_FLAG_CMD_LOST 0xc |
456 | #define BNX2FC_FLAG_SRR_SENT 0xd | |
457 | u8 rec_retry; | |
458 | u8 srr_retry; | |
459 | u32 srr_offset; | |
460 | u8 srr_rctl; | |
853e2bd2 BG |
461 | u32 fcp_resid; |
462 | u32 fcp_rsp_len; | |
463 | u32 fcp_sns_len; | |
464 | u8 cdb_status; /* SCSI IO status */ | |
465 | u8 fcp_status; /* FCP IO status */ | |
466 | u8 fcp_rsp_code; | |
467 | u8 scsi_comp_flags; | |
468 | }; | |
469 | ||
470 | struct io_bdt { | |
471 | struct bnx2fc_cmd *io_req; | |
472 | struct fcoe_bd_ctx *bd_tbl; | |
473 | dma_addr_t bd_tbl_dma; | |
474 | u16 bd_valid; | |
475 | }; | |
476 | ||
477 | struct bnx2fc_work { | |
478 | struct list_head list; | |
479 | struct bnx2fc_rport *tgt; | |
480 | u16 wqe; | |
481 | }; | |
482 | struct bnx2fc_unsol_els { | |
483 | struct fc_lport *lport; | |
484 | struct fc_frame *fp; | |
d36b3279 | 485 | struct bnx2fc_hba *hba; |
853e2bd2 BG |
486 | struct work_struct unsol_els_work; |
487 | }; | |
488 | ||
489 | ||
490 | ||
74446954 | 491 | struct bnx2fc_cmd *bnx2fc_cmd_alloc(struct bnx2fc_rport *tgt); |
853e2bd2 BG |
492 | struct bnx2fc_cmd *bnx2fc_elstm_alloc(struct bnx2fc_rport *tgt, int type); |
493 | void bnx2fc_cmd_release(struct kref *ref); | |
494 | int bnx2fc_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *sc_cmd); | |
495 | int bnx2fc_send_fw_fcoe_init_msg(struct bnx2fc_hba *hba); | |
496 | int bnx2fc_send_fw_fcoe_destroy_msg(struct bnx2fc_hba *hba); | |
497 | int bnx2fc_send_session_ofld_req(struct fcoe_port *port, | |
498 | struct bnx2fc_rport *tgt); | |
e7f4fed5 BPG |
499 | int bnx2fc_send_session_enable_req(struct fcoe_port *port, |
500 | struct bnx2fc_rport *tgt); | |
853e2bd2 BG |
501 | int bnx2fc_send_session_disable_req(struct fcoe_port *port, |
502 | struct bnx2fc_rport *tgt); | |
503 | int bnx2fc_send_session_destroy_req(struct bnx2fc_hba *hba, | |
504 | struct bnx2fc_rport *tgt); | |
505 | int bnx2fc_map_doorbell(struct bnx2fc_rport *tgt); | |
506 | void bnx2fc_indicate_kcqe(void *context, struct kcqe *kcq[], | |
507 | u32 num_cqe); | |
508 | int bnx2fc_setup_task_ctx(struct bnx2fc_hba *hba); | |
509 | void bnx2fc_free_task_ctx(struct bnx2fc_hba *hba); | |
510 | int bnx2fc_setup_fw_resc(struct bnx2fc_hba *hba); | |
511 | void bnx2fc_free_fw_resc(struct bnx2fc_hba *hba); | |
0eb43b4b | 512 | struct bnx2fc_cmd_mgr *bnx2fc_cmd_mgr_alloc(struct bnx2fc_hba *hba); |
853e2bd2 BG |
513 | void bnx2fc_cmd_mgr_free(struct bnx2fc_cmd_mgr *cmgr); |
514 | void bnx2fc_get_link_state(struct bnx2fc_hba *hba); | |
515 | char *bnx2fc_get_next_rqe(struct bnx2fc_rport *tgt, u8 num_items); | |
516 | void bnx2fc_return_rqe(struct bnx2fc_rport *tgt, u8 num_items); | |
517 | int bnx2fc_get_paged_crc_eof(struct sk_buff *skb, int tlen); | |
518 | int bnx2fc_send_rrq(struct bnx2fc_cmd *aborted_io_req); | |
519 | int bnx2fc_send_adisc(struct bnx2fc_rport *tgt, struct fc_frame *fp); | |
520 | int bnx2fc_send_logo(struct bnx2fc_rport *tgt, struct fc_frame *fp); | |
521 | int bnx2fc_send_rls(struct bnx2fc_rport *tgt, struct fc_frame *fp); | |
522 | int bnx2fc_initiate_cleanup(struct bnx2fc_cmd *io_req); | |
523 | int bnx2fc_initiate_abts(struct bnx2fc_cmd *io_req); | |
524 | void bnx2fc_cmd_timer_set(struct bnx2fc_cmd *io_req, | |
525 | unsigned int timer_msec); | |
526 | int bnx2fc_init_mp_req(struct bnx2fc_cmd *io_req); | |
527 | void bnx2fc_init_cleanup_task(struct bnx2fc_cmd *io_req, | |
528 | struct fcoe_task_ctx_entry *task, | |
529 | u16 orig_xid); | |
6c5a7ce4 BPG |
530 | void bnx2fc_init_seq_cleanup_task(struct bnx2fc_cmd *seq_clnup_req, |
531 | struct fcoe_task_ctx_entry *task, | |
532 | struct bnx2fc_cmd *orig_io_req, | |
533 | u32 offset); | |
853e2bd2 BG |
534 | void bnx2fc_init_mp_task(struct bnx2fc_cmd *io_req, |
535 | struct fcoe_task_ctx_entry *task); | |
536 | void bnx2fc_init_task(struct bnx2fc_cmd *io_req, | |
537 | struct fcoe_task_ctx_entry *task); | |
538 | void bnx2fc_add_2_sq(struct bnx2fc_rport *tgt, u16 xid); | |
539 | void bnx2fc_ring_doorbell(struct bnx2fc_rport *tgt); | |
540 | int bnx2fc_eh_abort(struct scsi_cmnd *sc_cmd); | |
541 | int bnx2fc_eh_host_reset(struct scsi_cmnd *sc_cmd); | |
542 | int bnx2fc_eh_target_reset(struct scsi_cmnd *sc_cmd); | |
543 | int bnx2fc_eh_device_reset(struct scsi_cmnd *sc_cmd); | |
544 | void bnx2fc_rport_event_handler(struct fc_lport *lport, | |
545 | struct fc_rport_priv *rport, | |
546 | enum fc_rport_event event); | |
547 | void bnx2fc_process_scsi_cmd_compl(struct bnx2fc_cmd *io_req, | |
548 | struct fcoe_task_ctx_entry *task, | |
549 | u8 num_rq); | |
550 | void bnx2fc_process_cleanup_compl(struct bnx2fc_cmd *io_req, | |
551 | struct fcoe_task_ctx_entry *task, | |
552 | u8 num_rq); | |
553 | void bnx2fc_process_abts_compl(struct bnx2fc_cmd *io_req, | |
554 | struct fcoe_task_ctx_entry *task, | |
555 | u8 num_rq); | |
556 | void bnx2fc_process_tm_compl(struct bnx2fc_cmd *io_req, | |
557 | struct fcoe_task_ctx_entry *task, | |
558 | u8 num_rq); | |
559 | void bnx2fc_process_els_compl(struct bnx2fc_cmd *els_req, | |
560 | struct fcoe_task_ctx_entry *task, | |
561 | u8 num_rq); | |
562 | void bnx2fc_build_fcp_cmnd(struct bnx2fc_cmd *io_req, | |
563 | struct fcp_cmnd *fcp_cmnd); | |
564 | ||
565 | ||
566 | ||
567 | void bnx2fc_flush_active_ios(struct bnx2fc_rport *tgt); | |
568 | struct fc_seq *bnx2fc_elsct_send(struct fc_lport *lport, u32 did, | |
569 | struct fc_frame *fp, unsigned int op, | |
570 | void (*resp)(struct fc_seq *, | |
571 | struct fc_frame *, | |
572 | void *), | |
573 | void *arg, u32 timeout); | |
619c5cb6 | 574 | void bnx2fc_arm_cq(struct bnx2fc_rport *tgt); |
853e2bd2 BG |
575 | int bnx2fc_process_new_cqes(struct bnx2fc_rport *tgt); |
576 | void bnx2fc_process_cq_compl(struct bnx2fc_rport *tgt, u16 wqe); | |
577 | struct bnx2fc_rport *bnx2fc_tgt_lookup(struct fcoe_port *port, | |
578 | u32 port_id); | |
579 | void bnx2fc_process_l2_frame_compl(struct bnx2fc_rport *tgt, | |
580 | unsigned char *buf, | |
581 | u32 frame_len, u16 l2_oxid); | |
582 | int bnx2fc_send_stat_req(struct bnx2fc_hba *hba); | |
74446954 | 583 | int bnx2fc_post_io_req(struct bnx2fc_rport *tgt, struct bnx2fc_cmd *io_req); |
6c5a7ce4 BPG |
584 | int bnx2fc_send_rec(struct bnx2fc_cmd *orig_io_req); |
585 | int bnx2fc_send_srr(struct bnx2fc_cmd *orig_io_req, u32 offset, u8 r_ctl); | |
586 | void bnx2fc_process_seq_cleanup_compl(struct bnx2fc_cmd *seq_clnup_req, | |
587 | struct fcoe_task_ctx_entry *task, | |
588 | u8 rx_state); | |
589 | int bnx2fc_initiate_seq_cleanup(struct bnx2fc_cmd *orig_io_req, u32 offset, | |
590 | enum fc_rctl r_ctl); | |
853e2bd2 | 591 | |
3db8cc10 JP |
592 | |
593 | #include "bnx2fc_debug.h" | |
594 | ||
853e2bd2 | 595 | #endif |