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[SCSI] be2iscsi: add 10Gbps iSCSI - BladeEngine 2 driver
[linux-2.6-block.git] / drivers / scsi / be2iscsi / be_cmds.h
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6733b39a
JK		 1/**
2 * Copyright (C) 2005 - 2009 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 */
28struct 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 */
36struct 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
51/* Completion Status */
52#define MCC_STATUS_SUCCESS 0x0
53
54#define CQE_STATUS_COMPL_MASK 0xFFFF
55#define CQE_STATUS_COMPL_SHIFT 0 /* bits 0 - 15 */
56#define CQE_STATUS_EXTD_MASK 0xFFFF
57#define CQE_STATUS_EXTD_SHIFT 0 /* bits 0 - 15 */
58
59struct be_mcc_compl {
60 u32 status; /* dword 0 */
61 u32 tag0; /* dword 1 */
62 u32 tag1; /* dword 2 */
63 u32 flags; /* dword 3 */
64};
65
66/********* Mailbox door bell *************/
67/**
68 * Used for driver communication with the FW.
69 * The software must write this register twice to post any command. First,
70 * it writes the register with hi=1 and the upper bits of the physical address
71 * for the MAILBOX structure. Software must poll the ready bit until this
72 * is acknowledged. Then, sotware writes the register with hi=0 with the lower
73 * bits in the address. It must poll the ready bit until the command is
74 * complete. Upon completion, the MAILBOX will contain a valid completion
75 * queue entry.
76 */
77#define MPU_MAILBOX_DB_OFFSET 0x160
78#define MPU_MAILBOX_DB_RDY_MASK 0x1 /* bit 0 */
79#define MPU_MAILBOX_DB_HI_MASK 0x2 /* bit 1 */
80
81/********** MPU semphore ******************/
82#define MPU_EP_SEMAPHORE_OFFSET 0xac
83#define EP_SEMAPHORE_POST_STAGE_MASK 0x0000FFFF
84#define EP_SEMAPHORE_POST_ERR_MASK 0x1
85#define EP_SEMAPHORE_POST_ERR_SHIFT 31
86
87/********** MCC door bell ************/
88#define DB_MCCQ_OFFSET 0x140
89#define DB_MCCQ_RING_ID_MASK 0x7FF /* bits 0 - 10 */
90/* Number of entries posted */
91#define DB_MCCQ_NUM_POSTED_SHIFT 16 /* bits 16 - 29 */
92
93/* MPU semphore POST stage values */
94#define POST_STAGE_ARMFW_RDY 0xc000 /* FW is done with POST */
95
96/**
97 * When the async bit of mcc_compl is set, the last 4 bytes of
98 * mcc_compl is interpreted as follows:
99 */
100#define ASYNC_TRAILER_EVENT_CODE_SHIFT 8 /* bits 8 - 15 */
101#define ASYNC_TRAILER_EVENT_CODE_MASK 0xFF
102#define ASYNC_EVENT_CODE_LINK_STATE 0x1
103struct be_async_event_trailer {
104 u32 code;
105};
106
107enum {
108 ASYNC_EVENT_LINK_DOWN = 0x0,
109 ASYNC_EVENT_LINK_UP = 0x1
110};
111
112/**
113 * When the event code of an async trailer is link-state, the mcc_compl
114 * must be interpreted as follows
115 */
116struct be_async_event_link_state {
117 u8 physical_port;
118 u8 port_link_status;
119 u8 port_duplex;
120 u8 port_speed;
121 u8 port_fault;
122 u8 rsvd0[7];
123 struct be_async_event_trailer trailer;
124} __packed;
125
126struct be_mcc_mailbox {
127 struct be_mcc_wrb wrb;
128 struct be_mcc_compl compl;
129};
130
131/* Type of subsystems supported by FW */
132#define CMD_SUBSYSTEM_COMMON 0x1
133#define CMD_SUBSYSTEM_ISCSI 0x2
134#define CMD_SUBSYSTEM_ETH 0x3
135#define CMD_SUBSYSTEM_ISCSI_INI 0x6
136#define CMD_COMMON_TCP_UPLOAD 0x1
137
138/**
139 * List of common opcodes subsystem CMD_SUBSYSTEM_COMMON
140 * These opcodes are unique for each subsystem defined above
141 */
142#define OPCODE_COMMON_CQ_CREATE 12
143#define OPCODE_COMMON_EQ_CREATE 13
144#define OPCODE_COMMON_MCC_CREATE 21
145#define OPCODE_COMMON_GET_CNTL_ATTRIBUTES 32
146#define OPCODE_COMMON_GET_FW_VERSION 35
147#define OPCODE_COMMON_MODIFY_EQ_DELAY 41
148#define OPCODE_COMMON_FIRMWARE_CONFIG 42
149#define OPCODE_COMMON_MCC_DESTROY 53
150#define OPCODE_COMMON_CQ_DESTROY 54
151#define OPCODE_COMMON_EQ_DESTROY 55
152#define OPCODE_COMMON_QUERY_FIRMWARE_CONFIG 58
153#define OPCODE_COMMON_FUNCTION_RESET 61
154
155/**
156 * LIST of opcodes that are common between Initiator and Target
157 * used by CMD_SUBSYSTEM_ISCSI
158 * These opcodes are unique for each subsystem defined above
159 */
160#define OPCODE_COMMON_ISCSI_CFG_POST_SGL_PAGES 2
161#define OPCODE_COMMON_ISCSI_CFG_REMOVE_SGL_PAGES 3
162#define OPCODE_COMMON_ISCSI_NTWK_GET_NIC_CONFIG 7
163#define OPCODE_COMMON_ISCSI_SET_FRAGNUM_BITS_FOR_SGL_CRA 61
164#define OPCODE_COMMON_ISCSI_DEFQ_CREATE 64
165#define OPCODE_COMMON_ISCSI_DEFQ_DESTROY 65
166#define OPCODE_COMMON_ISCSI_WRBQ_CREATE 66
167#define OPCODE_COMMON_ISCSI_WRBQ_DESTROY 67
168
169struct be_cmd_req_hdr {
170 u8 opcode; /* dword 0 */
171 u8 subsystem; /* dword 0 */
172 u8 port_number; /* dword 0 */
173 u8 domain; /* dword 0 */
174 u32 timeout; /* dword 1 */
175 u32 request_length; /* dword 2 */
176 u32 rsvd; /* dword 3 */
177};
178
179struct be_cmd_resp_hdr {
180 u32 info; /* dword 0 */
181 u32 status; /* dword 1 */
182 u32 response_length; /* dword 2 */
183 u32 actual_resp_len; /* dword 3 */
184};
185
186struct phys_addr {
187 u32 lo;
188 u32 hi;
189};
190
191/**************************
192 * BE Command definitions *
193 **************************/
194
195/**
196 * Pseudo amap definition in which each bit of the actual structure is defined
197 * as a byte - used to calculate offset/shift/mask of each field
198 */
199struct amap_eq_context {
200 u8 cidx[13]; /* dword 0 */
201 u8 rsvd0[3]; /* dword 0 */
202 u8 epidx[13]; /* dword 0 */
203 u8 valid; /* dword 0 */
204 u8 rsvd1; /* dword 0 */
205 u8 size; /* dword 0 */
206 u8 pidx[13]; /* dword 1 */
207 u8 rsvd2[3]; /* dword 1 */
208 u8 pd[10]; /* dword 1 */
209 u8 count[3]; /* dword 1 */
210 u8 solevent; /* dword 1 */
211 u8 stalled; /* dword 1 */
212 u8 armed; /* dword 1 */
213 u8 rsvd3[4]; /* dword 2 */
214 u8 func[8]; /* dword 2 */
215 u8 rsvd4; /* dword 2 */
216 u8 delaymult[10]; /* dword 2 */
217 u8 rsvd5[2]; /* dword 2 */
218 u8 phase[2]; /* dword 2 */
219 u8 nodelay; /* dword 2 */
220 u8 rsvd6[4]; /* dword 2 */
221 u8 rsvd7[32]; /* dword 3 */
222} __packed;
223
224struct be_cmd_req_eq_create {
225 struct be_cmd_req_hdr hdr; /* dw[4] */
226 u16 num_pages; /* sword */
227 u16 rsvd0; /* sword */
228 u8 context[sizeof(struct amap_eq_context) / 8]; /* dw[4] */
229 struct phys_addr pages[8];
230} __packed;
231
232struct be_cmd_resp_eq_create {
233 struct be_cmd_resp_hdr resp_hdr;
234 u16 eq_id; /* sword */
235 u16 rsvd0; /* sword */
236} __packed;
237
238struct mac_addr {
239 u16 size_of_struct;
240 u8 addr[ETH_ALEN];
241} __packed;
242
243struct be_cmd_req_mac_query {
244 struct be_cmd_req_hdr hdr;
245 u8 type;
246 u8 permanent;
247 u16 if_id;
248} __packed;
249
250struct be_cmd_resp_mac_query {
251 struct be_cmd_resp_hdr hdr;
252 struct mac_addr mac;
253};
254
255/******************** Create CQ ***************************/
256/**
257 * Pseudo amap definition in which each bit of the actual structure is defined
258 * as a byte - used to calculate offset/shift/mask of each field
259 */
260struct amap_cq_context {
261 u8 cidx[11]; /* dword 0 */
262 u8 rsvd0; /* dword 0 */
263 u8 coalescwm[2]; /* dword 0 */
264 u8 nodelay; /* dword 0 */
265 u8 epidx[11]; /* dword 0 */
266 u8 rsvd1; /* dword 0 */
267 u8 count[2]; /* dword 0 */
268 u8 valid; /* dword 0 */
269 u8 solevent; /* dword 0 */
270 u8 eventable; /* dword 0 */
271 u8 pidx[11]; /* dword 1 */
272 u8 rsvd2; /* dword 1 */
273 u8 pd[10]; /* dword 1 */
274 u8 eqid[8]; /* dword 1 */
275 u8 stalled; /* dword 1 */
276 u8 armed; /* dword 1 */
277 u8 rsvd3[4]; /* dword 2 */
278 u8 func[8]; /* dword 2 */
279 u8 rsvd4[20]; /* dword 2 */
280 u8 rsvd5[32]; /* dword 3 */
281} __packed;
282
283struct be_cmd_req_cq_create {
284 struct be_cmd_req_hdr hdr;
285 u16 num_pages;
286 u16 rsvd0;
287 u8 context[sizeof(struct amap_cq_context) / 8];
288 struct phys_addr pages[4];
289} __packed;
290
291struct be_cmd_resp_cq_create {
292 struct be_cmd_resp_hdr hdr;
293 u16 cq_id;
294 u16 rsvd0;
295} __packed;
296
297/******************** Create MCCQ ***************************/
298/**
299 * Pseudo amap definition in which each bit of the actual structure is defined
300 * as a byte - used to calculate offset/shift/mask of each field
301 */
302struct amap_mcc_context {
303 u8 con_index[14];
304 u8 rsvd0[2];
305 u8 ring_size[4];
306 u8 fetch_wrb;
307 u8 fetch_r2t;
308 u8 cq_id[10];
309 u8 prod_index[14];
310 u8 fid[8];
311 u8 pdid[9];
312 u8 valid;
313 u8 rsvd1[32];
314 u8 rsvd2[32];
315} __packed;
316
317struct be_cmd_req_mcc_create {
318 struct be_cmd_req_hdr hdr;
319 u16 num_pages;
320 u16 rsvd0;
321 u8 context[sizeof(struct amap_mcc_context) / 8];
322 struct phys_addr pages[8];
323} __packed;
324
325struct be_cmd_resp_mcc_create {
326 struct be_cmd_resp_hdr hdr;
327 u16 id;
328 u16 rsvd0;
329} __packed;
330
331/******************** Q Destroy ***************************/
332/* Type of Queue to be destroyed */
333enum {
334 QTYPE_EQ = 1,
335 QTYPE_CQ,
336 QTYPE_MCCQ,
337 QTYPE_WRBQ,
338 QTYPE_DPDUQ,
339 QTYPE_SGL
340};
341
342struct be_cmd_req_q_destroy {
343 struct be_cmd_req_hdr hdr;
344 u16 id;
345 u16 bypass_flush; /* valid only for rx q destroy */
346} __packed;
347
348struct macaddr {
349 u8 byte[ETH_ALEN];
350};
351
352struct be_cmd_req_mcast_mac_config {
353 struct be_cmd_req_hdr hdr;
354 u16 num_mac;
355 u8 promiscuous;
356 u8 interface_id;
357 struct macaddr mac[32];
358} __packed;
359
360static inline void *embedded_payload(struct be_mcc_wrb *wrb)
361{
362 return wrb->payload.embedded_payload;
363}
364
365static inline struct be_sge *nonembedded_sgl(struct be_mcc_wrb *wrb)
366{
367 return &wrb->payload.sgl[0];
368}
369
370/******************** Modify EQ Delay *******************/
371struct be_cmd_req_modify_eq_delay {
372 struct be_cmd_req_hdr hdr;
373 u32 num_eq;
374 struct {
375 u32 eq_id;
376 u32 phase;
377 u32 delay_multiplier;
378 } delay[8];
379} __packed;
380
381/******************** Get MAC ADDR *******************/
382
383#define ETH_ALEN 6
384
385
386struct be_cmd_req_get_mac_addr {
387 struct be_cmd_req_hdr hdr;
388 u32 nic_port_count;
389 u32 speed;
390 u32 max_speed;
391 u32 link_state;
392 u32 max_frame_size;
393 u16 size_of_structure;
394 u8 mac_address[ETH_ALEN];
395 u32 rsvd[23];
396};
397
398struct be_cmd_resp_get_mac_addr {
399 struct be_cmd_resp_hdr hdr;
400 u32 nic_port_count;
401 u32 speed;
402 u32 max_speed;
403 u32 link_state;
404 u32 max_frame_size;
405 u16 size_of_structure;
406 u8 mac_address[6];
407 u32 rsvd[23];
408};
409
410int beiscsi_cmd_eq_create(struct be_ctrl_info *ctrl,
411 struct be_queue_info *eq, int eq_delay);
412
413int beiscsi_cmd_cq_create(struct be_ctrl_info *ctrl,
414 struct be_queue_info *cq, struct be_queue_info *eq,
415 bool sol_evts, bool no_delay,
416 int num_cqe_dma_coalesce);
417
418int beiscsi_cmd_q_destroy(struct be_ctrl_info *ctrl, struct be_queue_info *q,
419 int type);
420int be_poll_mcc(struct be_ctrl_info *ctrl);
421unsigned char mgmt_check_supported_fw(struct be_ctrl_info *ctrl);
422int be_cmd_get_mac_addr(struct be_ctrl_info *ctrl, u8 *mac_addr);
423
424/*ISCSI Functuions */
425int be_cmd_fw_initialize(struct be_ctrl_info *ctrl);
426
427struct be_mcc_wrb *wrb_from_mbox(struct be_dma_mem *mbox_mem);
428
429int be_mbox_notify(struct be_ctrl_info *ctrl);
430
431int be_cmd_create_default_pdu_queue(struct be_ctrl_info *ctrl,
432 struct be_queue_info *cq,
433 struct be_queue_info *dq, int length,
434 int entry_size);
435
436int be_cmd_iscsi_post_sgl_pages(struct be_ctrl_info *ctrl,
437 struct be_dma_mem *q_mem, u32 page_offset,
438 u32 num_pages);
439
440int be_cmd_wrbq_create(struct be_ctrl_info *ctrl, struct be_dma_mem *q_mem,
441 struct be_queue_info *wrbq);
442
443struct be_default_pdu_context {
444 u32 dw[4];
445} __packed;
446
447struct amap_be_default_pdu_context {
448 u8 dbuf_cindex[13]; /* dword 0 */
449 u8 rsvd0[3]; /* dword 0 */
450 u8 ring_size[4]; /* dword 0 */
451 u8 ring_state[4]; /* dword 0 */
452 u8 rsvd1[8]; /* dword 0 */
453 u8 dbuf_pindex[13]; /* dword 1 */
454 u8 rsvd2; /* dword 1 */
455 u8 pci_func_id[8]; /* dword 1 */
456 u8 rx_pdid[9]; /* dword 1 */
457 u8 rx_pdid_valid; /* dword 1 */
458 u8 default_buffer_size[16]; /* dword 2 */
459 u8 cq_id_recv[10]; /* dword 2 */
460 u8 rx_pdid_not_valid; /* dword 2 */
461 u8 rsvd3[5]; /* dword 2 */
462 u8 rsvd4[32]; /* dword 3 */
463} __packed;
464
465struct be_defq_create_req {
466 struct be_cmd_req_hdr hdr;
467 u16 num_pages;
468 u8 ulp_num;
469 u8 rsvd0;
470 struct be_default_pdu_context context;
471 struct phys_addr pages[8];
472} __packed;
473
474struct be_defq_create_resp {
475 struct be_cmd_req_hdr hdr;
476 u16 id;
477 u16 rsvd0;
478} __packed;
479
480struct be_post_sgl_pages_req {
481 struct be_cmd_req_hdr hdr;
482 u16 num_pages;
483 u16 page_offset;
484 u32 rsvd0;
485 struct phys_addr pages[26];
486 u32 rsvd1;
487} __packed;
488
489struct be_wrbq_create_req {
490 struct be_cmd_req_hdr hdr;
491 u16 num_pages;
492 u8 ulp_num;
493 u8 rsvd0;
494 struct phys_addr pages[8];
495} __packed;
496
497struct be_wrbq_create_resp {
498 struct be_cmd_resp_hdr resp_hdr;
499 u16 cid;
500 u16 rsvd0;
501} __packed;
502
503#define SOL_CID_MASK 0x0000FFC0
504#define SOL_CODE_MASK 0x0000003F
505#define SOL_WRB_INDEX_MASK 0x00FF0000
506#define SOL_CMD_WND_MASK 0xFF000000
507#define SOL_RES_CNT_MASK 0x7FFFFFFF
508#define SOL_EXP_CMD_SN_MASK 0xFFFFFFFF
509#define SOL_HW_STS_MASK 0x000000FF
510#define SOL_STS_MASK 0x0000FF00
511#define SOL_RESP_MASK 0x00FF0000
512#define SOL_FLAGS_MASK 0x7F000000
513#define SOL_S_MASK 0x80000000
514
515struct sol_cqe {
516 u32 dw[4];
517};
518
519struct amap_sol_cqe {
520 u8 hw_sts[8]; /* dword 0 */
521 u8 i_sts[8]; /* dword 0 */
522 u8 i_resp[8]; /* dword 0 */
523 u8 i_flags[7]; /* dword 0 */
524 u8 s; /* dword 0 */
525 u8 i_exp_cmd_sn[32]; /* dword 1 */
526 u8 code[6]; /* dword 2 */
527 u8 cid[10]; /* dword 2 */
528 u8 wrb_index[8]; /* dword 2 */
529 u8 i_cmd_wnd[8]; /* dword 2 */
530 u8 i_res_cnt[31]; /* dword 3 */
531 u8 valid; /* dword 3 */
532} __packed;
533
534
535/**
536 * Post WRB Queue Doorbell Register used by the host Storage
537 * stack to notify the
538 * controller of a posted Work Request Block
539 */
540#define DB_WRB_POST_CID_MASK 0x3FF /* bits 0 - 9 */
541#define DB_DEF_PDU_WRB_INDEX_MASK 0xFF /* bits 0 - 9 */
542
543#define DB_DEF_PDU_WRB_INDEX_SHIFT 16
544#define DB_DEF_PDU_NUM_POSTED_SHIFT 24
545
546struct fragnum_bits_for_sgl_cra_in {
547 struct be_cmd_req_hdr hdr;
548 u32 num_bits;
549} __packed;
550
551struct iscsi_cleanup_req {
552 struct be_cmd_req_hdr hdr;
553 u16 chute;
554 u8 hdr_ring_id;
555 u8 data_ring_id;
556
557} __packed;
558
559struct eq_delay {
560 u32 eq_id;
561 u32 phase;
562 u32 delay_multiplier;
563} __packed;
564
565struct be_eq_delay_params_in {
566 struct be_cmd_req_hdr hdr;
567 u32 num_eq;
568 struct eq_delay delay[8];
569} __packed;
570
571struct ip_address_format {
572 u16 size_of_structure;
573 u8 reserved;
574 u8 ip_type;
575 u8 ip_address[16];
576 u32 rsvd0;
577} __packed;
578
579struct tcp_connect_and_offload_in {
580 struct be_cmd_req_hdr hdr;
581 struct ip_address_format ip_address;
582 u16 tcp_port;
583 u16 cid;
584 u16 cq_id;
585 u16 defq_id;
586 struct phys_addr dataout_template_pa;
587 u16 hdr_ring_id;
588 u16 data_ring_id;
589 u8 do_offload;
590 u8 rsvd0[3];
591} __packed;
592
593struct tcp_connect_and_offload_out {
594 struct be_cmd_resp_hdr hdr;
595 u32 connection_handle;
596 u16 cid;
597 u16 rsvd0;
598
599} __packed;
600
601struct be_mcc_wrb_context {
602 struct MCC_WRB *wrb;
603 int *users_final_status;
604} __packed;
605
606#define DB_DEF_PDU_RING_ID_MASK 0x3FF /* bits 0 - 9 */
607#define DB_DEF_PDU_CQPROC_MASK 0x3FFF /* bits 0 - 9 */
608#define DB_DEF_PDU_REARM_SHIFT 14
609#define DB_DEF_PDU_EVENT_SHIFT 15
610#define DB_DEF_PDU_CQPROC_SHIFT 16
611
612struct dmsg_cqe {
613 u32 dw[4];
614} __packed;
615
616struct tcp_upload_params_in {
617 struct be_cmd_req_hdr hdr;
618 u16 id;
619 u16 upload_type;
620 u32 reset_seq;
621} __packed;
622
623struct tcp_upload_params_out {
624 u32 dw[32];
625} __packed;
626
627union tcp_upload_params {
628 struct tcp_upload_params_in request;
629 struct tcp_upload_params_out response;
630} __packed;
631
632struct be_ulp_fw_cfg {
633 u32 ulp_mode;
634 u32 etx_base;
635 u32 etx_count;
636 u32 sq_base;
637 u32 sq_count;
638 u32 rq_base;
639 u32 rq_count;
640 u32 dq_base;
641 u32 dq_count;
642 u32 lro_base;
643 u32 lro_count;
644 u32 icd_base;
645 u32 icd_count;
646};
647
648struct be_fw_cfg {
649 struct be_cmd_req_hdr hdr;
650 u32 be_config_number;
651 u32 asic_revision;
652 u32 phys_port;
653 u32 function_mode;
654 struct be_ulp_fw_cfg ulp[2];
655 u32 function_caps;
656} __packed;
657
658#define CMD_ISCSI_COMMAND_INVALIDATE 1
659#define ISCSI_OPCODE_SCSI_DATA_OUT 5
660#define OPCODE_COMMON_ISCSI_TCP_CONNECT_AND_OFFLOAD 70
661#define OPCODE_ISCSI_INI_DRIVER_OFFLOAD_SESSION 41
662#define OPCODE_COMMON_MODIFY_EQ_DELAY 41
663#define OPCODE_COMMON_ISCSI_CLEANUP 59
664#define OPCODE_COMMON_TCP_UPLOAD 56
665#define OPCODE_COMMON_ISCSI_ERROR_RECOVERY_INVALIDATE_COMMANDS 1
666/* --- CMD_ISCSI_INVALIDATE_CONNECTION_TYPE --- */
667#define CMD_ISCSI_CONNECTION_INVALIDATE 1
668#define CMD_ISCSI_CONNECTION_ISSUE_TCP_RST 2
669#define OPCODE_ISCSI_INI_DRIVER_INVALIDATE_CONNECTION 42
670
671#define INI_WR_CMD 1 /* Initiator write command */
672#define INI_TMF_CMD 2 /* Initiator TMF command */
673#define INI_NOPOUT_CMD 3 /* Initiator; Send a NOP-OUT */
674#define INI_RD_CMD 5 /* Initiator requesting to send
675 * a read command
676 */
677#define TGT_CTX_UPDT_CMD 7 /* Target context update */
678#define TGT_STS_CMD 8 /* Target R2T and other BHS
679 * where only the status number
680 * need to be updated
681 */
682#define TGT_DATAIN_CMD 9 /* Target Data-Ins in response
683 * to read command
684 */
685#define TGT_SOS_PDU 10 /* Target:standalone status
686 * response
687 */
688#define TGT_DM_CMD 11 /* Indicates that the bhs
689 * preparedby
690 * driver should not be touched
691 */
692/* --- CMD_CHUTE_TYPE --- */
693#define CMD_CONNECTION_CHUTE_0 1
694#define CMD_CONNECTION_CHUTE_1 2
695#define CMD_CONNECTION_CHUTE_2 3
696
697#define EQ_MAJOR_CODE_COMPLETION 0
698
699#define CMD_ISCSI_SESSION_DEL_CFG_FROM_FLASH 0
700#define CMD_ISCSI_SESSION_SAVE_CFG_ON_FLASH 1
701
702/* --- CONNECTION_UPLOAD_PARAMS --- */
703/* These parameters are used to define the type of upload desired. */
704#define CONNECTION_UPLOAD_GRACEFUL 1 /* Graceful upload */
705#define CONNECTION_UPLOAD_ABORT_RESET 2 /* Abortive upload with
706 * reset
707 */
708#define CONNECTION_UPLOAD_ABORT 3 /* Abortive upload without
709 * reset
710 */
711#define CONNECTION_UPLOAD_ABORT_WITH_SEQ 4 /* Abortive upload with reset,
712 * sequence number by driver */
713
714/* Returns byte size of given field with a structure. */
715
716/* Returns the number of items in the field array. */
717#define BE_NUMBER_OF_FIELD(_type_, _field_) \
718 (FIELD_SIZEOF(_type_, _field_)/sizeof((((_type_ *)0)->_field_[0])))\
719
720/**
721 * Different types of iSCSI completions to host driver for both initiator
722 * and taget mode
723 * of operation.
724 */
725#define SOL_CMD_COMPLETE 1 /* Solicited command completed
726 * normally
727 */
728#define SOL_CMD_KILLED_DATA_DIGEST_ERR 2 /* Solicited command got
729 * invalidated internally due
730 * to Data Digest error
731 */
732#define CXN_KILLED_PDU_SIZE_EXCEEDS_DSL 3 /* Connection got invalidated
733 * internally
734 * due to a recieved PDU
735 * size > DSL
736 */
737#define CXN_KILLED_BURST_LEN_MISMATCH 4 /* Connection got invalidated
738 * internally due ti received
739 * PDU sequence size >
740 * FBL/MBL.
741 */
742#define CXN_KILLED_AHS_RCVD 5 /* Connection got invalidated
743 * internally due to a recieved
744 * PDU Hdr that has
745 * AHS */
746#define CXN_KILLED_HDR_DIGEST_ERR 6 /* Connection got invalidated
747 * internally due to Hdr Digest
748 * error
749 */
750#define CXN_KILLED_UNKNOWN_HDR 7 /* Connection got invalidated
751 * internally
752 * due to a bad opcode in the
753 * pdu hdr
754 */
755#define CXN_KILLED_STALE_ITT_TTT_RCVD 8 /* Connection got invalidated
756 * internally due to a recieved
757 * ITT/TTT that does not belong
758 * to this Connection
759 */
760#define CXN_KILLED_INVALID_ITT_TTT_RCVD 9 /* Connection got invalidated
761 * internally due to recieved
762 * ITT/TTT value > Max
763 * Supported ITTs/TTTs
764 */
765#define CXN_KILLED_RST_RCVD 10 /* Connection got invalidated
766 * internally due to an
767 * incoming TCP RST
768 */
769#define CXN_KILLED_TIMED_OUT 11 /* Connection got invalidated
770 * internally due to timeout on
771 * tcp segment 12 retransmit
772 * attempts failed
773 */
774#define CXN_KILLED_RST_SENT 12 /* Connection got invalidated
775 * internally due to TCP RST
776 * sent by the Tx side
777 */
778#define CXN_KILLED_FIN_RCVD 13 /* Connection got invalidated
779 * internally due to an
780 * incoming TCP FIN.
781 */
782#define CXN_KILLED_BAD_UNSOL_PDU_RCVD 14 /* Connection got invalidated
783 * internally due to bad
784 * unsolicited PDU Unsolicited
785 * PDUs are PDUs with
786 * ITT=0xffffffff
787 */
788#define CXN_KILLED_BAD_WRB_INDEX_ERROR 15 /* Connection got invalidated
789 * internally due to bad WRB
790 * index.
791 */
792#define CXN_KILLED_OVER_RUN_RESIDUAL 16 /* Command got invalidated
793 * internally due to recived
794 * command has residual
795 * over run bytes.
796 */
797#define CXN_KILLED_UNDER_RUN_RESIDUAL 17 /* Command got invalidated
798 * internally due to recived
799 * command has residual under
800 * run bytes.
801 */
802#define CMD_KILLED_INVALID_STATSN_RCVD 18 /* Command got invalidated
803 * internally due to a recieved
804 * PDU has an invalid StatusSN
805 */
806#define CMD_KILLED_INVALID_R2T_RCVD 19 /* Command got invalidated
807 * internally due to a recieved
808 * an R2T with some invalid
809 * fields in it
810 */
811#define CMD_CXN_KILLED_LUN_INVALID 20 /* Command got invalidated
812 * internally due to received
813 * PDU has an invalid LUN.
814 */
815#define CMD_CXN_KILLED_ICD_INVALID 21 /* Command got invalidated
816 * internally due to the
817 * corresponding ICD not in a
818 * valid state
819 */
820#define CMD_CXN_KILLED_ITT_INVALID 22 /* Command got invalidated due
821 * to received PDU has an
822 * invalid ITT.
823 */
824#define CMD_CXN_KILLED_SEQ_OUTOFORDER 23 /* Command got invalidated due
825 * to received sequence buffer
826 * offset is out of order.
827 */
828#define CMD_CXN_KILLED_INVALID_DATASN_RCVD 24 /* Command got invalidated
829 * internally due to a
830 * recieved PDU has an invalid
831 * DataSN
832 */
833#define CXN_INVALIDATE_NOTIFY 25 /* Connection invalidation
834 * completion notify.
835 */
836#define CXN_INVALIDATE_INDEX_NOTIFY 26 /* Connection invalidation
837 * completion
838 * with data PDU index.
839 */
840#define CMD_INVALIDATED_NOTIFY 27 /* Command invalidation
841 * completionnotifify.
842 */
843#define UNSOL_HDR_NOTIFY 28 /* Unsolicited header notify.*/
844#define UNSOL_DATA_NOTIFY 29 /* Unsolicited data notify.*/
845#define UNSOL_DATA_DIGEST_ERROR_NOTIFY 30 /* Unsolicited data digest
846 * error notify.
847 */
848#define DRIVERMSG_NOTIFY 31 /* TCP acknowledge based
849 * notification.
850 */
851#define CXN_KILLED_CMND_DATA_NOT_ON_SAME_CONN 32 /* Connection got invalidated
852 * internally due to command
853 * and data are not on same
854 * connection.
855 */
856#define SOL_CMD_KILLED_DIF_ERR 33 /* Solicited command got
857 * invalidated internally due
858 * to DIF error
859 */
860#define CXN_KILLED_SYN_RCVD 34 /* Connection got invalidated
861 * internally due to incoming
862 * TCP SYN
863 */
864#define CXN_KILLED_IMM_DATA_RCVD 35 /* Connection got invalidated
865 * internally due to an
866 * incoming Unsolicited PDU
867 * that has immediate data on
868 * the cxn
869 */
870
871void be_wrb_hdr_prepare(struct be_mcc_wrb *wrb, int payload_len,
872 bool embedded, u8 sge_cnt);
873
874void be_cmd_hdr_prepare(struct be_cmd_req_hdr *req_hdr,
875 u8 subsystem, u8 opcode, int cmd_len);
876
877#endif /* !BEISCSI_CMDS_H */
Linux 6.x block layer and io_uring tree(s)