1 /**
2 * Copyright (C) 2005 - 2010 ServerEngines
3 * All rights reserved.
4 *
5 * This program is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU General Public License version 2
7 * as published by the Free Software Foundation. The full GNU General
8 * Public License is included in this distribution in the file called COPYING.
9 *
10 * Contact Information:
11 * linux-drivers@serverengines.com
12 *
13 * ServerEngines
14 * 209 N. Fair Oaks Ave
15 * Sunnyvale, CA 94085
16 */
17
18 #ifndef BEISCSI_CMDS_H
19 #define BEISCSI_CMDS_H
20
21 /**
22 * The driver sends configuration and managements command requests to the
23 * firmware in the BE. These requests are communicated to the processor
24 * using Work Request Blocks (WRBs) submitted to the MCC-WRB ring or via one
25 * WRB inside a MAILBOX.
26 * The commands are serviced by the ARM processor in the BladeEngine's MPU.
27 */
28 struct be_sge {
29 u32 pa_lo;
30 u32 pa_hi;
31 u32 len;
32 };
33
34 #define MCC_WRB_SGE_CNT_SHIFT 3 /* bits 3 - 7 of dword 0 */
35 #define MCC_WRB_SGE_CNT_MASK 0x1F /* bits 3 - 7 of dword 0 */
36 struct be_mcc_wrb {
37 u32 embedded; /* dword 0 */
38 u32 payload_length; /* dword 1 */
39 u32 tag0; /* dword 2 */
40 u32 tag1; /* dword 3 */
41 u32 rsvd; /* dword 4 */
42 union {
43 u8 embedded_payload[236]; /* used by embedded cmds */
44 struct be_sge sgl[19]; /* used by non-embedded cmds */
45 } payload;
46 };
47
48 #define CQE_FLAGS_VALID_MASK (1 << 31)
49 #define CQE_FLAGS_ASYNC_MASK (1 << 30)
50 #define CQE_FLAGS_COMPLETED_MASK (1 << 28)
51 #define CQE_FLAGS_CONSUMED_MASK (1 << 27)
52
53 /* Completion Status */
54 #define MCC_STATUS_SUCCESS 0x0
55
56 #define CQE_STATUS_COMPL_MASK 0xFFFF
57 #define CQE_STATUS_COMPL_SHIFT 0 /* bits 0 - 15 */
58 #define CQE_STATUS_EXTD_MASK 0xFFFF
59 #define CQE_STATUS_EXTD_SHIFT 16 /* bits 0 - 15 */
60
61 struct be_mcc_compl {
62 u32 status; /* dword 0 */
63 u32 tag0; /* dword 1 */
64 u32 tag1; /* dword 2 */
65 u32 flags; /* dword 3 */
66 };
67
68 /********* Mailbox door bell *************/
69 /**
70 * Used for driver communication with the FW.
71 * The software must write this register twice to post any command. First,
72 * it writes the register with hi=1 and the upper bits of the physical address
73 * for the MAILBOX structure. Software must poll the ready bit until this
74 * is acknowledged. Then, sotware writes the register with hi=0 with the lower
75 * bits in the address. It must poll the ready bit until the command is
76 * complete. Upon completion, the MAILBOX will contain a valid completion
77 * queue entry.
78 */
79 #define MPU_MAILBOX_DB_OFFSET 0x160
80 #define MPU_MAILBOX_DB_RDY_MASK 0x1 /* bit 0 */
81 #define MPU_MAILBOX_DB_HI_MASK 0x2 /* bit 1 */
82
83 /********** MPU semphore ******************/
84 #define MPU_EP_SEMAPHORE_OFFSET 0xac
85 #define EP_SEMAPHORE_POST_STAGE_MASK 0x0000FFFF
86 #define EP_SEMAPHORE_POST_ERR_MASK 0x1
87 #define EP_SEMAPHORE_POST_ERR_SHIFT 31
88
89 /********** MCC door bell ************/
90 #define DB_MCCQ_OFFSET 0x140
91 #define DB_MCCQ_RING_ID_MASK 0x7FF /* bits 0 - 10 */
92 /* Number of entries posted */
93 #define DB_MCCQ_NUM_POSTED_SHIFT 16 /* bits 16 - 29 */
94
95 /* MPU semphore POST stage values */
96 #define POST_STAGE_ARMFW_RDY 0xc000 /* FW is done with POST */
97
98 /**
99 * When the async bit of mcc_compl is set, the last 4 bytes of
100 * mcc_compl is interpreted as follows:
101 */
102 #define ASYNC_TRAILER_EVENT_CODE_SHIFT 8 /* bits 8 - 15 */
103 #define ASYNC_TRAILER_EVENT_CODE_MASK 0xFF
104 #define ASYNC_EVENT_CODE_LINK_STATE 0x1
105 struct be_async_event_trailer {
106 u32 code;
107 };
108
109 enum {
110 ASYNC_EVENT_LINK_DOWN = 0x0,
111 ASYNC_EVENT_LINK_UP = 0x1
112 };
113
114 /**
115 * When the event code of an async trailer is link-state, the mcc_compl
116 * must be interpreted as follows
117 */
118 struct be_async_event_link_state {
119 u8 physical_port;
120 u8 port_link_status;
121 u8 port_duplex;
122 u8 port_speed;
123 u8 port_fault;
124 u8 rsvd0[7];
125 struct be_async_event_trailer trailer;
126 } __packed;
127
128 struct be_mcc_mailbox {
129 struct be_mcc_wrb wrb;
130 struct be_mcc_compl compl;
131 };
132
133 /* Type of subsystems supported by FW */
134 #define CMD_SUBSYSTEM_COMMON 0x1
135 #define CMD_SUBSYSTEM_ISCSI 0x2
136 #define CMD_SUBSYSTEM_ETH 0x3
137 #define CMD_SUBSYSTEM_ISCSI_INI 0x6
138 #define CMD_COMMON_TCP_UPLOAD 0x1
139
140 /**
141 * List of common opcodes subsystem CMD_SUBSYSTEM_COMMON
142 * These opcodes are unique for each subsystem defined above
143 */
144 #define OPCODE_COMMON_CQ_CREATE 12
145 #define OPCODE_COMMON_EQ_CREATE 13
146 #define OPCODE_COMMON_MCC_CREATE 21
147 #define OPCODE_COMMON_GET_CNTL_ATTRIBUTES 32
148 #define OPCODE_COMMON_GET_FW_VERSION 35
149 #define OPCODE_COMMON_MODIFY_EQ_DELAY 41
150 #define OPCODE_COMMON_FIRMWARE_CONFIG 42
151 #define OPCODE_COMMON_MCC_DESTROY 53
152 #define OPCODE_COMMON_CQ_DESTROY 54
153 #define OPCODE_COMMON_EQ_DESTROY 55
154 #define OPCODE_COMMON_QUERY_FIRMWARE_CONFIG 58
155 #define OPCODE_COMMON_FUNCTION_RESET 61
156
157 /**
158 * LIST of opcodes that are common between Initiator and Target
159 * used by CMD_SUBSYSTEM_ISCSI
160 * These opcodes are unique for each subsystem defined above
161 */
162 #define OPCODE_COMMON_ISCSI_CFG_POST_SGL_PAGES 2
163 #define OPCODE_COMMON_ISCSI_CFG_REMOVE_SGL_PAGES 3
164 #define OPCODE_COMMON_ISCSI_NTWK_GET_NIC_CONFIG 7
165 #define OPCODE_COMMON_ISCSI_NTWK_SET_VLAN 14
166 #define OPCODE_COMMON_ISCSI_NTWK_CONFIGURE_STATELESS_IP_ADDR 17
167 #define OPCODE_COMMON_ISCSI_NTWK_MODIFY_IP_ADDR 21
168 #define OPCODE_COMMON_ISCSI_NTWK_GET_DEFAULT_GATEWAY 22
169 #define OPCODE_COMMON_ISCSI_NTWK_MODIFY_DEFAULT_GATEWAY 23
170 #define OPCODE_COMMON_ISCSI_NTWK_GET_ALL_IF_ID 24
171 #define OPCODE_COMMON_ISCSI_NTWK_GET_IF_INFO 25
172 #define OPCODE_COMMON_ISCSI_SET_FRAGNUM_BITS_FOR_SGL_CRA 61
173 #define OPCODE_COMMON_ISCSI_DEFQ_CREATE 64
174 #define OPCODE_COMMON_ISCSI_DEFQ_DESTROY 65
175 #define OPCODE_COMMON_ISCSI_WRBQ_CREATE 66
176 #define OPCODE_COMMON_ISCSI_WRBQ_DESTROY 67
177
178 struct be_cmd_req_hdr {
179 u8 opcode; /* dword 0 */
180 u8 subsystem; /* dword 0 */
181 u8 port_number; /* dword 0 */
182 u8 domain; /* dword 0 */
183 u32 timeout; /* dword 1 */
184 u32 request_length; /* dword 2 */
185 u32 rsvd0; /* dword 3 */
186 };
187
188 struct be_cmd_resp_hdr {
189 u32 info; /* dword 0 */
190 u32 status; /* dword 1 */
191 u32 response_length; /* dword 2 */
192 u32 actual_resp_len; /* dword 3 */
193 };
194
195 struct phys_addr {
196 u32 lo;
197 u32 hi;
198 };
199
200 /**************************
201 * BE Command definitions *
202 **************************/
203
204 /**
205 * Pseudo amap definition in which each bit of the actual structure is defined
206 * as a byte - used to calculate offset/shift/mask of each field
207 */
208 struct amap_eq_context {
209 u8 cidx[13]; /* dword 0 */
210 u8 rsvd0[3]; /* dword 0 */
211 u8 epidx[13]; /* dword 0 */
212 u8 valid; /* dword 0 */
213 u8 rsvd1; /* dword 0 */
214 u8 size; /* dword 0 */
215 u8 pidx[13]; /* dword 1 */
216 u8 rsvd2[3]; /* dword 1 */
217 u8 pd[10]; /* dword 1 */
218 u8 count[3]; /* dword 1 */
219 u8 solevent; /* dword 1 */
220 u8 stalled; /* dword 1 */
221 u8 armed; /* dword 1 */
222 u8 rsvd3[4]; /* dword 2 */
223 u8 func[8]; /* dword 2 */
224 u8 rsvd4; /* dword 2 */
225 u8 delaymult[10]; /* dword 2 */
226 u8 rsvd5[2]; /* dword 2 */
227 u8 phase[2]; /* dword 2 */
228 u8 nodelay; /* dword 2 */
229 u8 rsvd6[4]; /* dword 2 */
230 u8 rsvd7[32]; /* dword 3 */
231 } __packed;
232
233 struct be_cmd_req_eq_create {
234 struct be_cmd_req_hdr hdr; /* dw[4] */
235 u16 num_pages; /* sword */
236 u16 rsvd0; /* sword */
237 u8 context[sizeof(struct amap_eq_context) / 8]; /* dw[4] */
238 struct phys_addr pages[8];
239 } __packed;
240
241 struct be_cmd_resp_eq_create {
242 struct be_cmd_resp_hdr resp_hdr;
243 u16 eq_id; /* sword */
244 u16 rsvd0; /* sword */
245 } __packed;
246
247 struct mgmt_chap_format {
248 u32 flags;
249 u8 intr_chap_name[256];
250 u8 intr_secret[16];
251 u8 target_chap_name[256];
252 u8 target_secret[16];
253 u16 intr_chap_name_length;
254 u16 intr_secret_length;
255 u16 target_chap_name_length;
256 u16 target_secret_length;
257 } __packed;
258
259 struct mgmt_auth_method_format {
260 u8 auth_method_type;
261 u8 padding[3];
262 struct mgmt_chap_format chap;
263 } __packed;
264
265 struct mgmt_conn_login_options {
266 u8 flags;
267 u8 header_digest;
268 u8 data_digest;
269 u8 rsvd0;
270 u32 max_recv_datasegment_len_ini;
271 u32 max_recv_datasegment_len_tgt;
272 u32 tcp_mss;
273 u32 tcp_window_size;
274 struct mgmt_auth_method_format auth_data;
275 } __packed;
276
277 struct ip_address_format {
278 u16 size_of_structure;
279 u8 reserved;
280 u8 ip_type;
281 u8 ip_address[16];
282 u32 rsvd0;
283 } __packed;
284
285 struct mgmt_conn_info {
286 u32 connection_handle;
287 u32 connection_status;
288 u16 src_port;
289 u16 dest_port;
290 u16 dest_port_redirected;
291 u16 cid;
292 u32 estimated_throughput;
293 struct ip_address_format src_ipaddr;
294 struct ip_address_format dest_ipaddr;
295 struct ip_address_format dest_ipaddr_redirected;
296 struct mgmt_conn_login_options negotiated_login_options;
297 } __packed;
298
299 struct mgmt_session_login_options {
300 u8 flags;
301 u8 error_recovery_level;
302 u16 rsvd0;
303 u32 first_burst_length;
304 u32 max_burst_length;
305 u16 max_connections;
306 u16 max_outstanding_r2t;
307 u16 default_time2wait;
308 u16 default_time2retain;
309 } __packed;
310
311 struct mgmt_session_info {
312 u32 session_handle;
313 u32 status;
314 u8 isid[6];
315 u16 tsih;
316 u32 session_flags;
317 u16 conn_count;
318 u16 pad;
319 u8 target_name[224];
320 u8 initiator_iscsiname[224];
321 struct mgmt_session_login_options negotiated_login_options;
322 struct mgmt_conn_info conn_list[1];
323 } __packed;
324
325 struct be_cmd_req_get_session {
326 struct be_cmd_req_hdr hdr;
327 u32 session_handle;
328 } __packed;
329
330 struct be_cmd_resp_get_session {
331 struct be_cmd_resp_hdr hdr;
332 struct mgmt_session_info session_info;
333 } __packed;
334
335 struct mac_addr {
336 u16 size_of_struct;
337 u8 addr[ETH_ALEN];
338 } __packed;
339
340 struct be_cmd_req_get_boot_target {
341 struct be_cmd_req_hdr hdr;
342 } __packed;
343
344 struct be_cmd_resp_get_boot_target {
345 struct be_cmd_resp_hdr hdr;
346 u32 boot_session_count;
347 int boot_session_handle;
348 };
349
350 struct be_cmd_req_mac_query {
351 struct be_cmd_req_hdr hdr;
352 u8 type;
353 u8 permanent;
354 u16 if_id;
355 } __packed;
356
357 struct be_cmd_resp_mac_query {
358 struct be_cmd_resp_hdr hdr;
359 struct mac_addr mac;
360 };
361
362 /******************** Create CQ ***************************/
363 /**
364 * Pseudo amap definition in which each bit of the actual structure is defined
365 * as a byte - used to calculate offset/shift/mask of each field
366 */
367 struct amap_cq_context {
368 u8 cidx[11]; /* dword 0 */
369 u8 rsvd0; /* dword 0 */
370 u8 coalescwm[2]; /* dword 0 */
371 u8 nodelay; /* dword 0 */
372 u8 epidx[11]; /* dword 0 */
373 u8 rsvd1; /* dword 0 */
374 u8 count[2]; /* dword 0 */
375 u8 valid; /* dword 0 */
376 u8 solevent; /* dword 0 */
377 u8 eventable; /* dword 0 */
378 u8 pidx[11]; /* dword 1 */
379 u8 rsvd2; /* dword 1 */
380 u8 pd[10]; /* dword 1 */
381 u8 eqid[8]; /* dword 1 */
382 u8 stalled; /* dword 1 */
383 u8 armed; /* dword 1 */
384 u8 rsvd3[4]; /* dword 2 */
385 u8 func[8]; /* dword 2 */
386 u8 rsvd4[20]; /* dword 2 */
387 u8 rsvd5[32]; /* dword 3 */
388 } __packed;
389
390 struct be_cmd_req_cq_create {
391 struct be_cmd_req_hdr hdr;
392 u16 num_pages;
393 u16 rsvd0;
394 u8 context[sizeof(struct amap_cq_context) / 8];
395 struct phys_addr pages[4];
396 } __packed;
397
398 struct be_cmd_resp_cq_create {
399 struct be_cmd_resp_hdr hdr;
400 u16 cq_id;
401 u16 rsvd0;
402 } __packed;
403
404 /******************** Create MCCQ ***************************/
405 /**
406 * Pseudo amap definition in which each bit of the actual structure is defined
407 * as a byte - used to calculate offset/shift/mask of each field
408 */
409 struct amap_mcc_context {
410 u8 con_index[14];
411 u8 rsvd0[2];
412 u8 ring_size[4];
413 u8 fetch_wrb;
414 u8 fetch_r2t;
415 u8 cq_id[10];
416 u8 prod_index[14];
417 u8 fid[8];
418 u8 pdid[9];
419 u8 valid;
420 u8 rsvd1[32];
421 u8 rsvd2[32];
422 } __packed;
423
424 struct be_cmd_req_mcc_create {
425 struct be_cmd_req_hdr hdr;
426 u16 num_pages;
427 u16 rsvd0;
428 u8 context[sizeof(struct amap_mcc_context) / 8];
429 struct phys_addr pages[8];
430 } __packed;
431
432 struct be_cmd_resp_mcc_create {
433 struct be_cmd_resp_hdr hdr;
434 u16 id;
435 u16 rsvd0;
436 } __packed;
437
438 /******************** Q Destroy ***************************/
439 /* Type of Queue to be destroyed */
440 enum {
441 QTYPE_EQ = 1,
442 QTYPE_CQ,
443 QTYPE_MCCQ,
444 QTYPE_WRBQ,
445 QTYPE_DPDUQ,
446 QTYPE_SGL
447 };
448
449 struct be_cmd_req_q_destroy {
450 struct be_cmd_req_hdr hdr;
451 u16 id;
452 u16 bypass_flush; /* valid only for rx q destroy */
453 } __packed;
454
455 struct macaddr {
456 u8 byte[ETH_ALEN];
457 };
458
459 struct be_cmd_req_mcast_mac_config {
460 struct be_cmd_req_hdr hdr;
461 u16 num_mac;
462 u8 promiscuous;
463 u8 interface_id;
464 struct macaddr mac[32];
465 } __packed;
466
embedded_payload(struct be_mcc_wrb * wrb)467 static inline void *embedded_payload(struct be_mcc_wrb *wrb)
468 {
469 return wrb->payload.embedded_payload;
470 }
471
nonembedded_sgl(struct be_mcc_wrb * wrb)472 static inline struct be_sge *nonembedded_sgl(struct be_mcc_wrb *wrb)
473 {
474 return &wrb->payload.sgl[0];
475 }
476
477 /******************** Modify EQ Delay *******************/
478 struct be_cmd_req_modify_eq_delay {
479 struct be_cmd_req_hdr hdr;
480 u32 num_eq;
481 struct {
482 u32 eq_id;
483 u32 phase;
484 u32 delay_multiplier;
485 } delay[8];
486 } __packed;
487
488 /******************** Get MAC ADDR *******************/
489
490 #define ETH_ALEN 6
491
492 struct be_cmd_req_get_mac_addr {
493 struct be_cmd_req_hdr hdr;
494 u32 nic_port_count;
495 u32 speed;
496 u32 max_speed;
497 u32 link_state;
498 u32 max_frame_size;
499 u16 size_of_structure;
500 u8 mac_address[ETH_ALEN];
501 u32 rsvd[23];
502 };
503
504 struct be_cmd_resp_get_mac_addr {
505 struct be_cmd_resp_hdr hdr;
506 u32 nic_port_count;
507 u32 speed;
508 u32 max_speed;
509 u32 link_state;
510 u32 max_frame_size;
511 u16 size_of_structure;
512 u8 mac_address[6];
513 u32 rsvd[23];
514 };
515
516 int beiscsi_cmd_eq_create(struct be_ctrl_info *ctrl,
517 struct be_queue_info *eq, int eq_delay);
518
519 int beiscsi_cmd_cq_create(struct be_ctrl_info *ctrl,
520 struct be_queue_info *cq, struct be_queue_info *eq,
521 bool sol_evts, bool no_delay,
522 int num_cqe_dma_coalesce);
523
524 int beiscsi_cmd_q_destroy(struct be_ctrl_info *ctrl, struct be_queue_info *q,
525 int type);
526 int beiscsi_cmd_mccq_create(struct beiscsi_hba *phba,
527 struct be_queue_info *mccq,
528 struct be_queue_info *cq);
529
530 int be_poll_mcc(struct be_ctrl_info *ctrl);
531 int mgmt_check_supported_fw(struct be_ctrl_info *ctrl,
532 struct beiscsi_hba *phba);
533 unsigned int be_cmd_get_mac_addr(struct beiscsi_hba *phba);
534 unsigned int beiscsi_get_boot_target(struct beiscsi_hba *phba);
535 unsigned int beiscsi_get_session_info(struct beiscsi_hba *phba,
536 u32 boot_session_handle,
537 struct be_dma_mem *nonemb_cmd);
538
539 void free_mcc_tag(struct be_ctrl_info *ctrl, unsigned int tag);
540 /*ISCSI Functuions */
541 int be_cmd_fw_initialize(struct be_ctrl_info *ctrl);
542
543 struct be_mcc_wrb *wrb_from_mbox(struct be_dma_mem *mbox_mem);
544 struct be_mcc_wrb *wrb_from_mccq(struct beiscsi_hba *phba);
545 int be_mcc_notify_wait(struct beiscsi_hba *phba);
546 void be_mcc_notify(struct beiscsi_hba *phba);
547 unsigned int alloc_mcc_tag(struct beiscsi_hba *phba);
548 void beiscsi_async_link_state_process(struct beiscsi_hba *phba,
549 struct be_async_event_link_state *evt);
550 int be_mcc_compl_process_isr(struct be_ctrl_info *ctrl,
551 struct be_mcc_compl *compl);
552
553 int be_mbox_notify(struct be_ctrl_info *ctrl);
554
555 int be_cmd_create_default_pdu_queue(struct be_ctrl_info *ctrl,
556 struct be_queue_info *cq,
557 struct be_queue_info *dq, int length,
558 int entry_size);
559
560 int be_cmd_iscsi_post_sgl_pages(struct be_ctrl_info *ctrl,
561 struct be_dma_mem *q_mem, u32 page_offset,
562 u32 num_pages);
563
564 int be_cmd_wrbq_create(struct be_ctrl_info *ctrl, struct be_dma_mem *q_mem,
565 struct be_queue_info *wrbq);
566
567 bool is_link_state_evt(u32 trailer);
568
569 struct be_default_pdu_context {
570 u32 dw[4];
571 } __packed;
572
573 struct amap_be_default_pdu_context {
574 u8 dbuf_cindex[13]; /* dword 0 */
575 u8 rsvd0[3]; /* dword 0 */
576 u8 ring_size[4]; /* dword 0 */
577 u8 ring_state[4]; /* dword 0 */
578 u8 rsvd1[8]; /* dword 0 */
579 u8 dbuf_pindex[13]; /* dword 1 */
580 u8 rsvd2; /* dword 1 */
581 u8 pci_func_id[8]; /* dword 1 */
582 u8 rx_pdid[9]; /* dword 1 */
583 u8 rx_pdid_valid; /* dword 1 */
584 u8 default_buffer_size[16]; /* dword 2 */
585 u8 cq_id_recv[10]; /* dword 2 */
586 u8 rx_pdid_not_valid; /* dword 2 */
587 u8 rsvd3[5]; /* dword 2 */
588 u8 rsvd4[32]; /* dword 3 */
589 } __packed;
590
591 struct be_defq_create_req {
592 struct be_cmd_req_hdr hdr;
593 u16 num_pages;
594 u8 ulp_num;
595 u8 rsvd0;
596 struct be_default_pdu_context context;
597 struct phys_addr pages[8];
598 } __packed;
599
600 struct be_defq_create_resp {
601 struct be_cmd_req_hdr hdr;
602 u16 id;
603 u16 rsvd0;
604 } __packed;
605
606 struct be_post_sgl_pages_req {
607 struct be_cmd_req_hdr hdr;
608 u16 num_pages;
609 u16 page_offset;
610 u32 rsvd0;
611 struct phys_addr pages[26];
612 u32 rsvd1;
613 } __packed;
614
615 struct be_wrbq_create_req {
616 struct be_cmd_req_hdr hdr;
617 u16 num_pages;
618 u8 ulp_num;
619 u8 rsvd0;
620 struct phys_addr pages[8];
621 } __packed;
622
623 struct be_wrbq_create_resp {
624 struct be_cmd_resp_hdr resp_hdr;
625 u16 cid;
626 u16 rsvd0;
627 } __packed;
628
629 #define SOL_CID_MASK 0x0000FFC0
630 #define SOL_CODE_MASK 0x0000003F
631 #define SOL_WRB_INDEX_MASK 0x00FF0000
632 #define SOL_CMD_WND_MASK 0xFF000000
633 #define SOL_RES_CNT_MASK 0x7FFFFFFF
634 #define SOL_EXP_CMD_SN_MASK 0xFFFFFFFF
635 #define SOL_HW_STS_MASK 0x000000FF
636 #define SOL_STS_MASK 0x0000FF00
637 #define SOL_RESP_MASK 0x00FF0000
638 #define SOL_FLAGS_MASK 0x7F000000
639 #define SOL_S_MASK 0x80000000
640
641 struct sol_cqe {
642 u32 dw[4];
643 };
644
645 struct amap_sol_cqe {
646 u8 hw_sts[8]; /* dword 0 */
647 u8 i_sts[8]; /* dword 0 */
648 u8 i_resp[8]; /* dword 0 */
649 u8 i_flags[7]; /* dword 0 */
650 u8 s; /* dword 0 */
651 u8 i_exp_cmd_sn[32]; /* dword 1 */
652 u8 code[6]; /* dword 2 */
653 u8 cid[10]; /* dword 2 */
654 u8 wrb_index[8]; /* dword 2 */
655 u8 i_cmd_wnd[8]; /* dword 2 */
656 u8 i_res_cnt[31]; /* dword 3 */
657 u8 valid; /* dword 3 */
658 } __packed;
659
660 #define SOL_ICD_INDEX_MASK 0x0003FFC0
661 struct amap_sol_cqe_ring {
662 u8 hw_sts[8]; /* dword 0 */
663 u8 i_sts[8]; /* dword 0 */
664 u8 i_resp[8]; /* dword 0 */
665 u8 i_flags[7]; /* dword 0 */
666 u8 s; /* dword 0 */
667 u8 i_exp_cmd_sn[32]; /* dword 1 */
668 u8 code[6]; /* dword 2 */
669 u8 icd_index[12]; /* dword 2 */
670 u8 rsvd[6]; /* dword 2 */
671 u8 i_cmd_wnd[8]; /* dword 2 */
672 u8 i_res_cnt[31]; /* dword 3 */
673 u8 valid; /* dword 3 */
674 } __packed;
675
676
677
678 /**
679 * Post WRB Queue Doorbell Register used by the host Storage
680 * stack to notify the
681 * controller of a posted Work Request Block
682 */
683 #define DB_WRB_POST_CID_MASK 0x3FF /* bits 0 - 9 */
684 #define DB_DEF_PDU_WRB_INDEX_MASK 0xFF /* bits 0 - 9 */
685
686 #define DB_DEF_PDU_WRB_INDEX_SHIFT 16
687 #define DB_DEF_PDU_NUM_POSTED_SHIFT 24
688
689 struct fragnum_bits_for_sgl_cra_in {
690 struct be_cmd_req_hdr hdr;
691 u32 num_bits;
692 } __packed;
693
694 struct iscsi_cleanup_req {
695 struct be_cmd_req_hdr hdr;
696 u16 chute;
697 u8 hdr_ring_id;
698 u8 data_ring_id;
699
700 } __packed;
701
702 struct eq_delay {
703 u32 eq_id;
704 u32 phase;
705 u32 delay_multiplier;
706 } __packed;
707
708 struct be_eq_delay_params_in {
709 struct be_cmd_req_hdr hdr;
710 u32 num_eq;
711 struct eq_delay delay[8];
712 } __packed;
713
714 struct tcp_connect_and_offload_in {
715 struct be_cmd_req_hdr hdr;
716 struct ip_address_format ip_address;
717 u16 tcp_port;
718 u16 cid;
719 u16 cq_id;
720 u16 defq_id;
721 struct phys_addr dataout_template_pa;
722 u16 hdr_ring_id;
723 u16 data_ring_id;
724 u8 do_offload;
725 u8 rsvd0[3];
726 } __packed;
727
728 struct tcp_connect_and_offload_out {
729 struct be_cmd_resp_hdr hdr;
730 u32 connection_handle;
731 u16 cid;
732 u16 rsvd0;
733
734 } __packed;
735
736 struct be_mcc_wrb_context {
737 struct MCC_WRB *wrb;
738 int *users_final_status;
739 } __packed;
740
741 #define DB_DEF_PDU_RING_ID_MASK 0x3FF /* bits 0 - 9 */
742 #define DB_DEF_PDU_CQPROC_MASK 0x3FFF /* bits 0 - 9 */
743 #define DB_DEF_PDU_REARM_SHIFT 14
744 #define DB_DEF_PDU_EVENT_SHIFT 15
745 #define DB_DEF_PDU_CQPROC_SHIFT 16
746
747 struct dmsg_cqe {
748 u32 dw[4];
749 } __packed;
750
751 struct tcp_upload_params_in {
752 struct be_cmd_req_hdr hdr;
753 u16 id;
754 u16 upload_type;
755 u32 reset_seq;
756 } __packed;
757
758 struct tcp_upload_params_out {
759 u32 dw[32];
760 } __packed;
761
762 union tcp_upload_params {
763 struct tcp_upload_params_in request;
764 struct tcp_upload_params_out response;
765 } __packed;
766
767 struct be_ulp_fw_cfg {
768 u32 ulp_mode;
769 u32 etx_base;
770 u32 etx_count;
771 u32 sq_base;
772 u32 sq_count;
773 u32 rq_base;
774 u32 rq_count;
775 u32 dq_base;
776 u32 dq_count;
777 u32 lro_base;
778 u32 lro_count;
779 u32 icd_base;
780 u32 icd_count;
781 };
782
783 struct be_fw_cfg {
784 struct be_cmd_req_hdr hdr;
785 u32 be_config_number;
786 u32 asic_revision;
787 u32 phys_port;
788 u32 function_mode;
789 struct be_ulp_fw_cfg ulp[2];
790 u32 function_caps;
791 } __packed;
792
793 struct be_all_if_id {
794 struct be_cmd_req_hdr hdr;
795 u32 if_count;
796 u32 if_hndl_list[1];
797 } __packed;
798
799 #define ISCSI_OPCODE_SCSI_DATA_OUT 5
800 #define OPCODE_COMMON_MODIFY_EQ_DELAY 41
801 #define OPCODE_COMMON_ISCSI_CLEANUP 59
802 #define OPCODE_COMMON_TCP_UPLOAD 56
803 #define OPCODE_COMMON_ISCSI_TCP_CONNECT_AND_OFFLOAD 70
804 #define OPCODE_COMMON_ISCSI_ERROR_RECOVERY_INVALIDATE_COMMANDS 1
805 #define OPCODE_ISCSI_INI_CFG_GET_HBA_NAME 6
806 #define OPCODE_ISCSI_INI_CFG_SET_HBA_NAME 7
807 #define OPCODE_ISCSI_INI_SESSION_GET_A_SESSION 14
808 #define OPCODE_ISCSI_INI_DRIVER_OFFLOAD_SESSION 41
809 #define OPCODE_ISCSI_INI_DRIVER_INVALIDATE_CONNECTION 42
810 #define OPCODE_ISCSI_INI_BOOT_GET_BOOT_TARGET 52
811
812 /* --- CMD_ISCSI_INVALIDATE_CONNECTION_TYPE --- */
813 #define CMD_ISCSI_COMMAND_INVALIDATE 1
814 #define CMD_ISCSI_CONNECTION_INVALIDATE 0x8001
815 #define CMD_ISCSI_CONNECTION_ISSUE_TCP_RST 0x8002
816
817 #define INI_WR_CMD 1 /* Initiator write command */
818 #define INI_TMF_CMD 2 /* Initiator TMF command */
819 #define INI_NOPOUT_CMD 3 /* Initiator; Send a NOP-OUT */
820 #define INI_RD_CMD 5 /* Initiator requesting to send
821 * a read command
822 */
823 #define TGT_CTX_UPDT_CMD 7 /* Target context update */
824 #define TGT_STS_CMD 8 /* Target R2T and other BHS
825 * where only the status number
826 * need to be updated
827 */
828 #define TGT_DATAIN_CMD 9 /* Target Data-Ins in response
829 * to read command
830 */
831 #define TGT_SOS_PDU 10 /* Target:standalone status
832 * response
833 */
834 #define TGT_DM_CMD 11 /* Indicates that the bhs
835 * preparedby
836 * driver should not be touched
837 */
838 /* --- CMD_CHUTE_TYPE --- */
839 #define CMD_CONNECTION_CHUTE_0 1
840 #define CMD_CONNECTION_CHUTE_1 2
841 #define CMD_CONNECTION_CHUTE_2 3
842
843 #define EQ_MAJOR_CODE_COMPLETION 0
844
845 #define CMD_ISCSI_SESSION_DEL_CFG_FROM_FLASH 0
846 #define CMD_ISCSI_SESSION_SAVE_CFG_ON_FLASH 1
847
848 /* --- CONNECTION_UPLOAD_PARAMS --- */
849 /* These parameters are used to define the type of upload desired. */
850 #define CONNECTION_UPLOAD_GRACEFUL 1 /* Graceful upload */
851 #define CONNECTION_UPLOAD_ABORT_RESET 2 /* Abortive upload with
852 * reset
853 */
854 #define CONNECTION_UPLOAD_ABORT 3 /* Abortive upload without
855 * reset
856 */
857 #define CONNECTION_UPLOAD_ABORT_WITH_SEQ 4 /* Abortive upload with reset,
858 * sequence number by driver */
859
860 /* Returns byte size of given field with a structure. */
861
862 /* Returns the number of items in the field array. */
863 #define BE_NUMBER_OF_FIELD(_type_, _field_) \
864 (FIELD_SIZEOF(_type_, _field_)/sizeof((((_type_ *)0)->_field_[0])))\
865
866 /**
867 * Different types of iSCSI completions to host driver for both initiator
868 * and taget mode
869 * of operation.
870 */
871 #define SOL_CMD_COMPLETE 1 /* Solicited command completed
872 * normally
873 */
874 #define SOL_CMD_KILLED_DATA_DIGEST_ERR 2 /* Solicited command got
875 * invalidated internally due
876 * to Data Digest error
877 */
878 #define CXN_KILLED_PDU_SIZE_EXCEEDS_DSL 3 /* Connection got invalidated
879 * internally
880 * due to a received PDU
881 * size > DSL
882 */
883 #define CXN_KILLED_BURST_LEN_MISMATCH 4 /* Connection got invalidated
884 * internally due ti received
885 * PDU sequence size >
886 * FBL/MBL.
887 */
888 #define CXN_KILLED_AHS_RCVD 5 /* Connection got invalidated
889 * internally due to a received
890 * PDU Hdr that has
891 * AHS */
892 #define CXN_KILLED_HDR_DIGEST_ERR 6 /* Connection got invalidated
893 * internally due to Hdr Digest
894 * error
895 */
896 #define CXN_KILLED_UNKNOWN_HDR 7 /* Connection got invalidated
897 * internally
898 * due to a bad opcode in the
899 * pdu hdr
900 */
901 #define CXN_KILLED_STALE_ITT_TTT_RCVD 8 /* Connection got invalidated
902 * internally due to a received
903 * ITT/TTT that does not belong
904 * to this Connection
905 */
906 #define CXN_KILLED_INVALID_ITT_TTT_RCVD 9 /* Connection got invalidated
907 * internally due to received
908 * ITT/TTT value > Max
909 * Supported ITTs/TTTs
910 */
911 #define CXN_KILLED_RST_RCVD 10 /* Connection got invalidated
912 * internally due to an
913 * incoming TCP RST
914 */
915 #define CXN_KILLED_TIMED_OUT 11 /* Connection got invalidated
916 * internally due to timeout on
917 * tcp segment 12 retransmit
918 * attempts failed
919 */
920 #define CXN_KILLED_RST_SENT 12 /* Connection got invalidated
921 * internally due to TCP RST
922 * sent by the Tx side
923 */
924 #define CXN_KILLED_FIN_RCVD 13 /* Connection got invalidated
925 * internally due to an
926 * incoming TCP FIN.
927 */
928 #define CXN_KILLED_BAD_UNSOL_PDU_RCVD 14 /* Connection got invalidated
929 * internally due to bad
930 * unsolicited PDU Unsolicited
931 * PDUs are PDUs with
932 * ITT=0xffffffff
933 */
934 #define CXN_KILLED_BAD_WRB_INDEX_ERROR 15 /* Connection got invalidated
935 * internally due to bad WRB
936 * index.
937 */
938 #define CXN_KILLED_OVER_RUN_RESIDUAL 16 /* Command got invalidated
939 * internally due to received
940 * command has residual
941 * over run bytes.
942 */
943 #define CXN_KILLED_UNDER_RUN_RESIDUAL 17 /* Command got invalidated
944 * internally due to received
945 * command has residual under
946 * run bytes.
947 */
948 #define CMD_KILLED_INVALID_STATSN_RCVD 18 /* Command got invalidated
949 * internally due to a received
950 * PDU has an invalid StatusSN
951 */
952 #define CMD_KILLED_INVALID_R2T_RCVD 19 /* Command got invalidated
953 * internally due to a received
954 * an R2T with some invalid
955 * fields in it
956 */
957 #define CMD_CXN_KILLED_LUN_INVALID 20 /* Command got invalidated
958 * internally due to received
959 * PDU has an invalid LUN.
960 */
961 #define CMD_CXN_KILLED_ICD_INVALID 21 /* Command got invalidated
962 * internally due to the
963 * corresponding ICD not in a
964 * valid state
965 */
966 #define CMD_CXN_KILLED_ITT_INVALID 22 /* Command got invalidated due
967 * to received PDU has an
968 * invalid ITT.
969 */
970 #define CMD_CXN_KILLED_SEQ_OUTOFORDER 23 /* Command got invalidated due
971 * to received sequence buffer
972 * offset is out of order.
973 */
974 #define CMD_CXN_KILLED_INVALID_DATASN_RCVD 24 /* Command got invalidated
975 * internally due to a
976 * received PDU has an invalid
977 * DataSN
978 */
979 #define CXN_INVALIDATE_NOTIFY 25 /* Connection invalidation
980 * completion notify.
981 */
982 #define CXN_INVALIDATE_INDEX_NOTIFY 26 /* Connection invalidation
983 * completion
984 * with data PDU index.
985 */
986 #define CMD_INVALIDATED_NOTIFY 27 /* Command invalidation
987 * completionnotifify.
988 */
989 #define UNSOL_HDR_NOTIFY 28 /* Unsolicited header notify.*/
990 #define UNSOL_DATA_NOTIFY 29 /* Unsolicited data notify.*/
991 #define UNSOL_DATA_DIGEST_ERROR_NOTIFY 30 /* Unsolicited data digest
992 * error notify.
993 */
994 #define DRIVERMSG_NOTIFY 31 /* TCP acknowledge based
995 * notification.
996 */
997 #define CXN_KILLED_CMND_DATA_NOT_ON_SAME_CONN 32 /* Connection got invalidated
998 * internally due to command
999 * and data are not on same
1000 * connection.
1001 */
1002 #define SOL_CMD_KILLED_DIF_ERR 33 /* Solicited command got
1003 * invalidated internally due
1004 * to DIF error
1005 */
1006 #define CXN_KILLED_SYN_RCVD 34 /* Connection got invalidated
1007 * internally due to incoming
1008 * TCP SYN
1009 */
1010 #define CXN_KILLED_IMM_DATA_RCVD 35 /* Connection got invalidated
1011 * internally due to an
1012 * incoming Unsolicited PDU
1013 * that has immediate data on
1014 * the cxn
1015 */
1016
1017 int beiscsi_pci_soft_reset(struct beiscsi_hba *phba);
1018 int be_chk_reset_complete(struct beiscsi_hba *phba);
1019
1020 void be_wrb_hdr_prepare(struct be_mcc_wrb *wrb, int payload_len,
1021 bool embedded, u8 sge_cnt);
1022
1023 void be_cmd_hdr_prepare(struct be_cmd_req_hdr *req_hdr,
1024 u8 subsystem, u8 opcode, int cmd_len);
1025
1026 #endif /* !BEISCSI_CMDS_H */
1027