Commit | Line | Data |
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3287e96a | 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
61d8658b DC |
2 | /* |
3 | * QLogic FCoE Offload Driver | |
5d1c8b5b | 4 | * Copyright (c) 2016-2018 Cavium Inc. |
61d8658b DC |
5 | */ |
6 | #ifndef _QEDFC_H_ | |
7 | #define _QEDFC_H_ | |
8 | ||
9 | #include <scsi/libfcoe.h> | |
10 | #include <scsi/libfc.h> | |
11 | #include <scsi/fc/fc_fip.h> | |
12 | #include <scsi/fc/fc_fc2.h> | |
13 | #include <scsi/scsi_tcq.h> | |
14 | #include <scsi/fc_encode.h> | |
15 | #include <linux/version.h> | |
16 | ||
17 | ||
18 | /* qedf_hsi.h needs to before included any qed includes */ | |
19 | #include "qedf_hsi.h" | |
20 | ||
21 | #include <linux/qed/qed_if.h> | |
22 | #include <linux/qed/qed_fcoe_if.h> | |
23 | #include <linux/qed/qed_ll2_if.h> | |
24 | #include "qedf_version.h" | |
25 | #include "qedf_dbg.h" | |
be086e7c | 26 | #include "drv_fcoe_fw_funcs.h" |
61d8658b DC |
27 | |
28 | /* Helpers to extract upper and lower 32-bits of pointer */ | |
29 | #define U64_HI(val) ((u32)(((u64)(val)) >> 32)) | |
30 | #define U64_LO(val) ((u32)(((u64)(val)) & 0xffffffff)) | |
31 | ||
32 | #define QEDF_DESCR "QLogic FCoE Offload Driver" | |
33 | #define QEDF_MODULE_NAME "qedf" | |
34 | ||
61d8658b DC |
35 | #define QEDF_FLOGI_RETRY_CNT 3 |
36 | #define QEDF_RPORT_RETRY_CNT 255 | |
37 | #define QEDF_MAX_SESSIONS 1024 | |
38 | #define QEDF_MAX_PAYLOAD 2048 | |
39 | #define QEDF_MAX_BDS_PER_CMD 256 | |
40 | #define QEDF_MAX_BD_LEN 0xffff | |
41 | #define QEDF_BD_SPLIT_SZ 0x1000 | |
42 | #define QEDF_PAGE_SIZE 4096 | |
43 | #define QED_HW_DMA_BOUNDARY 0xfff | |
44 | #define QEDF_MAX_SGLEN_FOR_CACHESGL ((1U << 16) - 1) | |
45 | #define QEDF_MFS (QEDF_MAX_PAYLOAD + \ | |
46 | sizeof(struct fc_frame_header)) | |
47 | #define QEDF_MAX_NPIV 64 | |
48 | #define QEDF_TM_TIMEOUT 10 | |
69ef2c69 SK |
49 | #define QEDF_ABORT_TIMEOUT (10 * 1000) |
50 | #define QEDF_CLEANUP_TIMEOUT 1 | |
61d8658b | 51 | #define QEDF_MAX_CDB_LEN 16 |
f6d63678 | 52 | #define QEDF_LL2_BUF_SIZE 2500 /* Buffer size required for LL2 Rx */ |
61d8658b DC |
53 | |
54 | #define UPSTREAM_REMOVE 1 | |
55 | #define UPSTREAM_KEEP 1 | |
56 | ||
57 | struct qedf_mp_req { | |
61d8658b DC |
58 | uint32_t req_len; |
59 | void *req_buf; | |
60 | dma_addr_t req_buf_dma; | |
be086e7c | 61 | struct scsi_sge *mp_req_bd; |
61d8658b DC |
62 | dma_addr_t mp_req_bd_dma; |
63 | struct fc_frame_header req_fc_hdr; | |
64 | ||
65 | uint32_t resp_len; | |
66 | void *resp_buf; | |
67 | dma_addr_t resp_buf_dma; | |
be086e7c | 68 | struct scsi_sge *mp_resp_bd; |
61d8658b DC |
69 | dma_addr_t mp_resp_bd_dma; |
70 | struct fc_frame_header resp_fc_hdr; | |
71 | }; | |
72 | ||
73 | struct qedf_els_cb_arg { | |
74 | struct qedf_ioreq *aborted_io_req; | |
75 | struct qedf_ioreq *io_req; | |
76 | u8 op; /* Used to keep track of ELS op */ | |
77 | uint16_t l2_oxid; | |
78 | u32 offset; /* Used for sequence cleanup */ | |
79 | u8 r_ctl; /* Used for sequence cleanup */ | |
80 | }; | |
81 | ||
82 | enum qedf_ioreq_event { | |
69ef2c69 | 83 | QEDF_IOREQ_EV_NONE, |
61d8658b DC |
84 | QEDF_IOREQ_EV_ABORT_SUCCESS, |
85 | QEDF_IOREQ_EV_ABORT_FAILED, | |
86 | QEDF_IOREQ_EV_SEND_RRQ, | |
87 | QEDF_IOREQ_EV_ELS_TMO, | |
88 | QEDF_IOREQ_EV_ELS_ERR_DETECT, | |
89 | QEDF_IOREQ_EV_ELS_FLUSH, | |
90 | QEDF_IOREQ_EV_CLEANUP_SUCCESS, | |
91 | QEDF_IOREQ_EV_CLEANUP_FAILED, | |
92 | }; | |
93 | ||
94 | #define FC_GOOD 0 | |
95 | #define FCOE_FCP_RSP_FLAGS_FCP_RESID_OVER (0x1<<2) | |
96 | #define FCOE_FCP_RSP_FLAGS_FCP_RESID_UNDER (0x1<<3) | |
97 | #define CMD_SCSI_STATUS(Cmnd) ((Cmnd)->SCp.Status) | |
98 | #define FCOE_FCP_RSP_FLAGS_FCP_RSP_LEN_VALID (0x1<<0) | |
99 | #define FCOE_FCP_RSP_FLAGS_FCP_SNS_LEN_VALID (0x1<<1) | |
100 | struct qedf_ioreq { | |
101 | struct list_head link; | |
102 | uint16_t xid; | |
103 | struct scsi_cmnd *sc_cmd; | |
61d8658b DC |
104 | #define QEDF_SCSI_CMD 1 |
105 | #define QEDF_TASK_MGMT_CMD 2 | |
106 | #define QEDF_ABTS 3 | |
107 | #define QEDF_ELS 4 | |
108 | #define QEDF_CLEANUP 5 | |
109 | #define QEDF_SEQ_CLEANUP 6 | |
110 | u8 cmd_type; | |
111 | #define QEDF_CMD_OUTSTANDING 0x0 | |
112 | #define QEDF_CMD_IN_ABORT 0x1 | |
113 | #define QEDF_CMD_IN_CLEANUP 0x2 | |
114 | #define QEDF_CMD_SRR_SENT 0x3 | |
5d5e5565 SS |
115 | #define QEDF_CMD_DIRTY 0x4 |
116 | #define QEDF_CMD_ERR_SCSI_DONE 0x5 | |
61d8658b | 117 | u8 io_req_flags; |
be086e7c | 118 | uint8_t tm_flags; |
61d8658b | 119 | struct qedf_rport *fcport; |
faea5719 SS |
120 | #define QEDF_CMD_ST_INACTIVE 0 |
121 | #define QEDFC_CMD_ST_IO_ACTIVE 1 | |
122 | #define QEDFC_CMD_ST_ABORT_ACTIVE 2 | |
123 | #define QEDFC_CMD_ST_ABORT_ACTIVE_EH 3 | |
124 | #define QEDFC_CMD_ST_CLEANUP_ACTIVE 4 | |
125 | #define QEDFC_CMD_ST_CLEANUP_ACTIVE_EH 5 | |
126 | #define QEDFC_CMD_ST_RRQ_ACTIVE 6 | |
127 | #define QEDFC_CMD_ST_RRQ_WAIT 7 | |
128 | #define QEDFC_CMD_ST_OXID_RETIRE_WAIT 8 | |
129 | #define QEDFC_CMD_ST_TMF_ACTIVE 9 | |
130 | #define QEDFC_CMD_ST_DRAIN_ACTIVE 10 | |
131 | #define QEDFC_CMD_ST_CLEANED 11 | |
132 | #define QEDFC_CMD_ST_ELS_ACTIVE 12 | |
133 | atomic_t state; | |
61d8658b DC |
134 | unsigned long flags; |
135 | enum qedf_ioreq_event event; | |
136 | size_t data_xfer_len; | |
faea5719 SS |
137 | /* ID: 001: Alloc cmd (qedf_alloc_cmd) */ |
138 | /* ID: 002: Initiate ABTS (qedf_initiate_abts) */ | |
139 | /* ID: 003: For RRQ (qedf_process_abts_compl) */ | |
61d8658b DC |
140 | struct kref refcount; |
141 | struct qedf_cmd_mgr *cmd_mgr; | |
142 | struct io_bdt *bd_tbl; | |
143 | struct delayed_work timeout_work; | |
144 | struct completion tm_done; | |
145 | struct completion abts_done; | |
96b1765a | 146 | struct completion cleanup_done; |
21dd79e8 | 147 | struct e4_fcoe_task_context *task; |
be086e7c MY |
148 | struct fcoe_task_params *task_params; |
149 | struct scsi_sgl_task_params *sgl_task_params; | |
61d8658b | 150 | int idx; |
5d5e5565 | 151 | int lun; |
61d8658b DC |
152 | /* |
153 | * Need to allocate enough room for both sense data and FCP response data | |
154 | * which has a max length of 8 bytes according to spec. | |
155 | */ | |
156 | #define QEDF_SCSI_SENSE_BUFFERSIZE (SCSI_SENSE_BUFFERSIZE + 8) | |
157 | uint8_t *sense_buffer; | |
158 | dma_addr_t sense_buffer_dma; | |
159 | u32 fcp_resid; | |
160 | u32 fcp_rsp_len; | |
161 | u32 fcp_sns_len; | |
162 | u8 cdb_status; | |
163 | u8 fcp_status; | |
164 | u8 fcp_rsp_code; | |
165 | u8 scsi_comp_flags; | |
166 | #define QEDF_MAX_REUSE 0xfff | |
167 | u16 reuse_count; | |
168 | struct qedf_mp_req mp_req; | |
169 | void (*cb_func)(struct qedf_els_cb_arg *cb_arg); | |
170 | struct qedf_els_cb_arg *cb_arg; | |
171 | int fp_idx; | |
172 | unsigned int cpu; | |
173 | unsigned int int_cpu; | |
3e2c11b3 CD |
174 | #define QEDF_IOREQ_UNKNOWN_SGE 1 |
175 | #define QEDF_IOREQ_SLOW_SGE 2 | |
176 | #define QEDF_IOREQ_FAST_SGE 3 | |
61d8658b DC |
177 | u8 sge_type; |
178 | struct delayed_work rrq_work; | |
179 | ||
180 | /* Used for sequence level recovery; i.e. REC/SRR */ | |
181 | uint32_t rx_buf_off; | |
182 | uint32_t tx_buf_off; | |
183 | uint32_t rx_id; | |
184 | uint32_t task_retry_identifier; | |
185 | ||
186 | /* | |
187 | * Used to tell if we need to return a SCSI command | |
188 | * during some form of error processing. | |
189 | */ | |
190 | bool return_scsi_cmd_on_abts; | |
5d5e5565 SS |
191 | |
192 | unsigned int alloc; | |
61d8658b DC |
193 | }; |
194 | ||
195 | extern struct workqueue_struct *qedf_io_wq; | |
196 | ||
197 | struct qedf_rport { | |
198 | spinlock_t rport_lock; | |
199 | #define QEDF_RPORT_SESSION_READY 1 | |
200 | #define QEDF_RPORT_UPLOADING_CONNECTION 2 | |
44c7c859 | 201 | #define QEDF_RPORT_IN_RESET 3 |
69ef2c69 SK |
202 | #define QEDF_RPORT_IN_LUN_RESET 4 |
203 | #define QEDF_RPORT_IN_TARGET_RESET 5 | |
61d8658b | 204 | unsigned long flags; |
69ef2c69 | 205 | int lun_reset_lun; |
61d8658b DC |
206 | unsigned long retry_delay_timestamp; |
207 | struct fc_rport *rport; | |
208 | struct fc_rport_priv *rdata; | |
209 | struct qedf_ctx *qedf; | |
210 | u32 handle; /* Handle from qed */ | |
211 | u32 fw_cid; /* fw_cid from qed */ | |
212 | void __iomem *p_doorbell; | |
213 | /* Send queue management */ | |
214 | atomic_t free_sqes; | |
5d5e5565 | 215 | atomic_t ios_to_queue; |
61d8658b DC |
216 | atomic_t num_active_ios; |
217 | struct fcoe_wqe *sq; | |
218 | dma_addr_t sq_dma; | |
219 | u16 sq_prod_idx; | |
220 | u16 fw_sq_prod_idx; | |
221 | u16 sq_con_idx; | |
222 | u32 sq_mem_size; | |
223 | void *sq_pbl; | |
224 | dma_addr_t sq_pbl_dma; | |
225 | u32 sq_pbl_size; | |
226 | u32 sid; | |
be086e7c MY |
227 | #define QEDF_RPORT_TYPE_DISK 0 |
228 | #define QEDF_RPORT_TYPE_TAPE 1 | |
61d8658b DC |
229 | uint dev_type; /* Disk or tape */ |
230 | struct list_head peers; | |
231 | }; | |
232 | ||
233 | /* Used to contain LL2 skb's in ll2_skb_list */ | |
234 | struct qedf_skb_work { | |
235 | struct work_struct work; | |
236 | struct sk_buff *skb; | |
237 | struct qedf_ctx *qedf; | |
238 | }; | |
239 | ||
240 | struct qedf_fastpath { | |
241 | #define QEDF_SB_ID_NULL 0xffff | |
242 | u16 sb_id; | |
243 | struct qed_sb_info *sb_info; | |
244 | struct qedf_ctx *qedf; | |
245 | /* Keep track of number of completions on this fastpath */ | |
246 | unsigned long completions; | |
247 | uint32_t cq_num_entries; | |
248 | }; | |
249 | ||
250 | /* Used to pass fastpath information needed to process CQEs */ | |
251 | struct qedf_io_work { | |
252 | struct work_struct work; | |
253 | struct fcoe_cqe cqe; | |
254 | struct qedf_ctx *qedf; | |
255 | struct fc_frame *fp; | |
256 | }; | |
257 | ||
258 | struct qedf_glbl_q_params { | |
259 | u64 hw_p_cq; /* Completion queue PBL */ | |
260 | u64 hw_p_rq; /* Request queue PBL */ | |
261 | u64 hw_p_cmdq; /* Command queue PBL */ | |
262 | }; | |
263 | ||
264 | struct global_queue { | |
265 | struct fcoe_cqe *cq; | |
266 | dma_addr_t cq_dma; | |
267 | u32 cq_mem_size; | |
268 | u32 cq_cons_idx; /* Completion queue consumer index */ | |
269 | u32 cq_prod_idx; | |
270 | ||
271 | void *cq_pbl; | |
272 | dma_addr_t cq_pbl_dma; | |
273 | u32 cq_pbl_size; | |
274 | }; | |
275 | ||
276 | /* I/O tracing entry */ | |
277 | #define QEDF_IO_TRACE_SIZE 2048 | |
278 | struct qedf_io_log { | |
279 | #define QEDF_IO_TRACE_REQ 0 | |
280 | #define QEDF_IO_TRACE_RSP 1 | |
281 | uint8_t direction; | |
282 | uint16_t task_id; | |
283 | uint32_t port_id; /* Remote port fabric ID */ | |
284 | int lun; | |
0d2fc3b4 | 285 | unsigned char op; /* SCSI CDB */ |
61d8658b DC |
286 | uint8_t lba[4]; |
287 | unsigned int bufflen; /* SCSI buffer length */ | |
288 | unsigned int sg_count; /* Number of SG elements */ | |
289 | int result; /* Result passed back to mid-layer */ | |
290 | unsigned long jiffies; /* Time stamp when I/O logged */ | |
291 | int refcount; /* Reference count for task id */ | |
292 | unsigned int req_cpu; /* CPU that the task is queued on */ | |
293 | unsigned int int_cpu; /* Interrupt CPU that the task is received on */ | |
294 | unsigned int rsp_cpu; /* CPU that task is returned on */ | |
295 | u8 sge_type; /* Did we take the slow, single or fast SGE path */ | |
296 | }; | |
297 | ||
298 | /* Number of entries in BDQ */ | |
299 | #define QEDF_BDQ_SIZE 256 | |
300 | #define QEDF_BDQ_BUF_SIZE 2072 | |
301 | ||
302 | /* DMA coherent buffers for BDQ */ | |
303 | struct qedf_bdq_buf { | |
304 | void *buf_addr; | |
305 | dma_addr_t buf_dma; | |
306 | }; | |
307 | ||
308 | /* Main adapter struct */ | |
309 | struct qedf_ctx { | |
310 | struct qedf_dbg_ctx dbg_ctx; | |
311 | struct fcoe_ctlr ctlr; | |
312 | struct fc_lport *lport; | |
313 | u8 data_src_addr[ETH_ALEN]; | |
314 | #define QEDF_LINK_DOWN 0 | |
315 | #define QEDF_LINK_UP 1 | |
316 | atomic_t link_state; | |
317 | #define QEDF_DCBX_PENDING 0 | |
318 | #define QEDF_DCBX_DONE 1 | |
319 | atomic_t dcbx; | |
61d8658b DC |
320 | #define QEDF_NULL_VLAN_ID -1 |
321 | #define QEDF_FALLBACK_VLAN 1002 | |
322 | #define QEDF_DEFAULT_PRIO 3 | |
323 | int vlan_id; | |
84b2ba6e | 324 | u8 prio; |
61d8658b DC |
325 | struct qed_dev *cdev; |
326 | struct qed_dev_fcoe_info dev_info; | |
327 | struct qed_int_info int_info; | |
328 | uint16_t last_command; | |
329 | spinlock_t hba_lock; | |
330 | struct pci_dev *pdev; | |
331 | u64 wwnn; | |
332 | u64 wwpn; | |
333 | u8 __aligned(16) mac[ETH_ALEN]; | |
334 | struct list_head fcports; | |
335 | atomic_t num_offloads; | |
336 | unsigned int curr_conn_id; | |
337 | struct workqueue_struct *ll2_recv_wq; | |
338 | struct workqueue_struct *link_update_wq; | |
339 | struct delayed_work link_update; | |
340 | struct delayed_work link_recovery; | |
341 | struct completion flogi_compl; | |
342 | struct completion fipvlan_compl; | |
343 | ||
344 | /* | |
345 | * Used to tell if we're in the window where we are waiting for | |
346 | * the link to come back up before informting fcoe that the link is | |
347 | * done. | |
348 | */ | |
349 | atomic_t link_down_tmo_valid; | |
350 | #define QEDF_TIMER_INTERVAL (1 * HZ) | |
351 | struct timer_list timer; /* One second book keeping timer */ | |
352 | #define QEDF_DRAIN_ACTIVE 1 | |
353 | #define QEDF_LL2_STARTED 2 | |
354 | #define QEDF_UNLOADING 3 | |
355 | #define QEDF_GRCDUMP_CAPTURE 4 | |
356 | #define QEDF_IN_RECOVERY 5 | |
357 | #define QEDF_DBG_STOP_IO 6 | |
358 | unsigned long flags; /* Miscellaneous state flags */ | |
359 | int fipvlan_retries; | |
360 | u8 num_queues; | |
361 | struct global_queue **global_queues; | |
362 | /* Pointer to array of queue structures */ | |
363 | struct qedf_glbl_q_params *p_cpuq; | |
364 | /* Physical address of array of queue structures */ | |
365 | dma_addr_t hw_p_cpuq; | |
366 | ||
367 | struct qedf_bdq_buf bdq[QEDF_BDQ_SIZE]; | |
368 | void *bdq_pbl; | |
369 | dma_addr_t bdq_pbl_dma; | |
370 | size_t bdq_pbl_mem_size; | |
371 | void *bdq_pbl_list; | |
372 | dma_addr_t bdq_pbl_list_dma; | |
373 | u8 bdq_pbl_list_num_entries; | |
374 | void __iomem *bdq_primary_prod; | |
375 | void __iomem *bdq_secondary_prod; | |
376 | uint16_t bdq_prod_idx; | |
377 | ||
378 | /* Structure for holding all the fastpath for this qedf_ctx */ | |
379 | struct qedf_fastpath *fp_array; | |
380 | struct qed_fcoe_tid tasks; | |
381 | struct qedf_cmd_mgr *cmd_mgr; | |
382 | /* Holds the PF parameters we pass to qed to start he FCoE function */ | |
383 | struct qed_pf_params pf_params; | |
384 | /* Used to time middle path ELS and TM commands */ | |
385 | struct workqueue_struct *timer_work_queue; | |
386 | ||
387 | #define QEDF_IO_WORK_MIN 64 | |
388 | mempool_t *io_mempool; | |
389 | struct workqueue_struct *dpc_wq; | |
4b9b7fab | 390 | struct delayed_work grcdump_work; |
61d8658b DC |
391 | |
392 | u32 slow_sge_ios; | |
393 | u32 fast_sge_ios; | |
61d8658b DC |
394 | |
395 | uint8_t *grcdump; | |
396 | uint32_t grcdump_size; | |
397 | ||
398 | struct qedf_io_log io_trace_buf[QEDF_IO_TRACE_SIZE]; | |
399 | spinlock_t io_trace_lock; | |
400 | uint16_t io_trace_idx; | |
401 | ||
402 | bool stop_io_on_error; | |
403 | ||
404 | u32 flogi_cnt; | |
405 | u32 flogi_failed; | |
406 | ||
407 | /* Used for fc statistics */ | |
642a0b37 | 408 | struct mutex stats_mutex; |
61d8658b DC |
409 | u64 input_requests; |
410 | u64 output_requests; | |
411 | u64 control_requests; | |
412 | u64 packet_aborts; | |
413 | u64 alloc_failures; | |
642a0b37 CD |
414 | u8 lun_resets; |
415 | u8 target_resets; | |
416 | u8 task_set_fulls; | |
417 | u8 busy; | |
69ef2c69 SK |
418 | /* Used for flush routine */ |
419 | struct mutex flush_mutex; | |
61d8658b DC |
420 | }; |
421 | ||
422 | struct io_bdt { | |
423 | struct qedf_ioreq *io_req; | |
be086e7c | 424 | struct scsi_sge *bd_tbl; |
61d8658b DC |
425 | dma_addr_t bd_tbl_dma; |
426 | u16 bd_valid; | |
427 | }; | |
428 | ||
429 | struct qedf_cmd_mgr { | |
430 | struct qedf_ctx *qedf; | |
431 | u16 idx; | |
432 | struct io_bdt **io_bdt_pool; | |
be086e7c | 433 | #define FCOE_PARAMS_NUM_TASKS 2048 |
61d8658b DC |
434 | struct qedf_ioreq cmds[FCOE_PARAMS_NUM_TASKS]; |
435 | spinlock_t lock; | |
436 | atomic_t free_list_cnt; | |
437 | }; | |
438 | ||
439 | /* Stolen from qed_cxt_api.h and adapted for qed_fcoe_info | |
440 | * Usage: | |
441 | * | |
442 | * void *ptr; | |
443 | * ptr = qedf_get_task_mem(&qedf->tasks, 128); | |
444 | */ | |
445 | static inline void *qedf_get_task_mem(struct qed_fcoe_tid *info, u32 tid) | |
446 | { | |
447 | return (void *)(info->blocks[tid / info->num_tids_per_block] + | |
448 | (tid % info->num_tids_per_block) * info->size); | |
449 | } | |
450 | ||
451 | static inline void qedf_stop_all_io(struct qedf_ctx *qedf) | |
452 | { | |
453 | set_bit(QEDF_DBG_STOP_IO, &qedf->flags); | |
454 | } | |
455 | ||
456 | /* | |
457 | * Externs | |
458 | */ | |
8b95b99c SK |
459 | |
460 | /* | |
461 | * (QEDF_LOG_NPIV | QEDF_LOG_SESS | QEDF_LOG_LPORT | QEDF_LOG_ELS | QEDF_LOG_MQ | |
462 | * | QEDF_LOG_IO | QEDF_LOG_UNSOL | QEDF_LOG_SCSI_TM | QEDF_LOG_MP_REQ | | |
463 | * QEDF_LOG_EVT | QEDF_LOG_CONN | QEDF_LOG_DISC | QEDF_LOG_INFO) | |
464 | */ | |
61d8658b DC |
465 | #define QEDF_DEFAULT_LOG_MASK 0x3CFB6 |
466 | extern const struct qed_fcoe_ops *qed_ops; | |
467 | extern uint qedf_dump_frames; | |
468 | extern uint qedf_io_tracing; | |
469 | extern uint qedf_stop_io_on_error; | |
470 | extern uint qedf_link_down_tmo; | |
471 | #define QEDF_RETRY_DELAY_MAX 20 /* 2 seconds */ | |
472 | extern bool qedf_retry_delay; | |
473 | extern uint qedf_debug; | |
474 | ||
475 | extern struct qedf_cmd_mgr *qedf_cmd_mgr_alloc(struct qedf_ctx *qedf); | |
476 | extern void qedf_cmd_mgr_free(struct qedf_cmd_mgr *cmgr); | |
477 | extern int qedf_queuecommand(struct Scsi_Host *host, | |
478 | struct scsi_cmnd *sc_cmd); | |
479 | extern void qedf_fip_send(struct fcoe_ctlr *fip, struct sk_buff *skb); | |
61d8658b DC |
480 | extern u8 *qedf_get_src_mac(struct fc_lport *lport); |
481 | extern void qedf_fip_recv(struct qedf_ctx *qedf, struct sk_buff *skb); | |
482 | extern void qedf_fcoe_send_vlan_req(struct qedf_ctx *qedf); | |
483 | extern void qedf_scsi_completion(struct qedf_ctx *qedf, struct fcoe_cqe *cqe, | |
484 | struct qedf_ioreq *io_req); | |
485 | extern void qedf_process_warning_compl(struct qedf_ctx *qedf, | |
486 | struct fcoe_cqe *cqe, struct qedf_ioreq *io_req); | |
487 | extern void qedf_process_error_detect(struct qedf_ctx *qedf, | |
488 | struct fcoe_cqe *cqe, struct qedf_ioreq *io_req); | |
489 | extern void qedf_flush_active_ios(struct qedf_rport *fcport, int lun); | |
490 | extern void qedf_release_cmd(struct kref *ref); | |
491 | extern int qedf_initiate_abts(struct qedf_ioreq *io_req, | |
492 | bool return_scsi_cmd_on_abts); | |
493 | extern void qedf_process_abts_compl(struct qedf_ctx *qedf, struct fcoe_cqe *cqe, | |
494 | struct qedf_ioreq *io_req); | |
495 | extern struct qedf_ioreq *qedf_alloc_cmd(struct qedf_rport *fcport, | |
496 | u8 cmd_type); | |
497 | ||
498 | extern struct device_attribute *qedf_host_attrs[]; | |
499 | extern void qedf_cmd_timer_set(struct qedf_ctx *qedf, struct qedf_ioreq *io_req, | |
500 | unsigned int timer_msec); | |
501 | extern int qedf_init_mp_req(struct qedf_ioreq *io_req); | |
502 | extern void qedf_init_mp_task(struct qedf_ioreq *io_req, | |
21dd79e8 | 503 | struct e4_fcoe_task_context *task_ctx, struct fcoe_wqe *sqe); |
be086e7c | 504 | extern u16 qedf_get_sqe_idx(struct qedf_rport *fcport); |
61d8658b DC |
505 | extern void qedf_ring_doorbell(struct qedf_rport *fcport); |
506 | extern void qedf_process_els_compl(struct qedf_ctx *qedf, struct fcoe_cqe *cqe, | |
507 | struct qedf_ioreq *els_req); | |
508 | extern int qedf_send_rrq(struct qedf_ioreq *aborted_io_req); | |
509 | extern int qedf_send_adisc(struct qedf_rport *fcport, struct fc_frame *fp); | |
510 | extern int qedf_initiate_cleanup(struct qedf_ioreq *io_req, | |
511 | bool return_scsi_cmd_on_abts); | |
512 | extern void qedf_process_cleanup_compl(struct qedf_ctx *qedf, | |
513 | struct fcoe_cqe *cqe, struct qedf_ioreq *io_req); | |
514 | extern int qedf_initiate_tmf(struct scsi_cmnd *sc_cmd, u8 tm_flags); | |
515 | extern void qedf_process_tmf_compl(struct qedf_ctx *qedf, struct fcoe_cqe *cqe, | |
516 | struct qedf_ioreq *io_req); | |
517 | extern void qedf_process_cqe(struct qedf_ctx *qedf, struct fcoe_cqe *cqe); | |
518 | extern void qedf_scsi_done(struct qedf_ctx *qedf, struct qedf_ioreq *io_req, | |
519 | int result); | |
520 | extern void qedf_set_vlan_id(struct qedf_ctx *qedf, int vlan_id); | |
521 | extern void qedf_create_sysfs_ctx_attr(struct qedf_ctx *qedf); | |
522 | extern void qedf_remove_sysfs_ctx_attr(struct qedf_ctx *qedf); | |
523 | extern void qedf_capture_grc_dump(struct qedf_ctx *qedf); | |
a66c6cd2 | 524 | bool qedf_wait_for_upload(struct qedf_ctx *qedf); |
61d8658b DC |
525 | extern void qedf_process_unsol_compl(struct qedf_ctx *qedf, uint16_t que_idx, |
526 | struct fcoe_cqe *cqe); | |
527 | extern void qedf_restart_rport(struct qedf_rport *fcport); | |
528 | extern int qedf_send_rec(struct qedf_ioreq *orig_io_req); | |
529 | extern int qedf_post_io_req(struct qedf_rport *fcport, | |
530 | struct qedf_ioreq *io_req); | |
531 | extern void qedf_process_seq_cleanup_compl(struct qedf_ctx *qedf, | |
532 | struct fcoe_cqe *cqe, struct qedf_ioreq *io_req); | |
533 | extern int qedf_send_flogi(struct qedf_ctx *qedf); | |
642a0b37 | 534 | extern void qedf_get_protocol_tlv_data(void *dev, void *data); |
61d8658b | 535 | extern void qedf_fp_io_handler(struct work_struct *work); |
8673daf4 | 536 | extern void qedf_get_generic_tlv_data(void *dev, struct qed_generic_tlvs *data); |
4b9b7fab | 537 | extern void qedf_wq_grcdump(struct work_struct *work); |
a66c6cd2 CD |
538 | void qedf_stag_change_work(struct work_struct *work); |
539 | void qedf_ctx_soft_reset(struct fc_lport *lport); | |
61d8658b DC |
540 | |
541 | #define FCOE_WORD_TO_BYTE 4 | |
542 | #define QEDF_MAX_TASK_NUM 0xFFFF | |
543 | ||
544 | struct fip_vlan { | |
545 | struct ethhdr eth; | |
546 | struct fip_header fip; | |
547 | struct { | |
548 | struct fip_mac_desc mac; | |
549 | struct fip_wwn_desc wwnn; | |
550 | } desc; | |
551 | }; | |
552 | ||
553 | /* SQ/CQ Sizes */ | |
554 | #define GBL_RSVD_TASKS 16 | |
555 | #define NUM_TASKS_PER_CONNECTION 1024 | |
556 | #define NUM_RW_TASKS_PER_CONNECTION 512 | |
557 | #define FCOE_PARAMS_CQ_NUM_ENTRIES FCOE_PARAMS_NUM_TASKS | |
558 | ||
559 | #define FCOE_PARAMS_CMDQ_NUM_ENTRIES FCOE_PARAMS_NUM_TASKS | |
560 | #define SQ_NUM_ENTRIES NUM_TASKS_PER_CONNECTION | |
561 | ||
562 | #define QEDF_FCOE_PARAMS_GL_RQ_PI 0 | |
563 | #define QEDF_FCOE_PARAMS_GL_CMD_PI 1 | |
564 | ||
565 | #define QEDF_READ (1 << 1) | |
566 | #define QEDF_WRITE (1 << 0) | |
567 | #define MAX_FIBRE_LUNS 0xffffffff | |
568 | ||
722477c4 TB |
569 | #define MIN_NUM_CPUS_MSIX(x) min_t(u32, x->dev_info.num_cqs, \ |
570 | num_online_cpus()) | |
61d8658b DC |
571 | |
572 | /* | |
573 | * PCI function probe defines | |
574 | */ | |
575 | /* Probe/remove called during normal PCI probe */ | |
576 | #define QEDF_MODE_NORMAL 0 | |
577 | /* Probe/remove called from qed error recovery */ | |
578 | #define QEDF_MODE_RECOVERY 1 | |
579 | ||
580 | #define SUPPORTED_25000baseKR_Full (1<<27) | |
581 | #define SUPPORTED_50000baseKR2_Full (1<<28) | |
582 | #define SUPPORTED_100000baseKR4_Full (1<<29) | |
583 | #define SUPPORTED_100000baseCR4_Full (1<<30) | |
584 | ||
585 | #endif |