1 /*
2 * Copyright 2017 Broadcom. All Rights Reserved.
3 * The term "Broadcom" refers to Broadcom Limited and/or its subsidiaries.
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@broadcom.com
12 *
13 */
14
15 #ifndef BEISCSI_CMDS_H
16 #define BEISCSI_CMDS_H
17
18 /**
19 * The driver sends configuration and managements command requests to the
20 * firmware in the BE. These requests are communicated to the processor
21 * using Work Request Blocks (WRBs) submitted to the MCC-WRB ring or via one
22 * WRB inside a MAILBOX.
23 * The commands are serviced by the ARM processor in the OneConnect's MPU.
24 */
25 struct be_sge {
26 __le32 pa_lo;
27 __le32 pa_hi;
28 __le32 len;
29 };
30
31 struct be_mcc_wrb {
32 u32 emb_sgecnt_special; /* dword 0 */
33 /* bits 0 - embedded */
34 /* bits 1 - 2 reserved */
35 /* bits 3 - 7 sge count */
36 /* bits 8 - 23 reserved */
37 /* bits 24 - 31 special */
38 #define MCC_WRB_EMBEDDED_MASK 1
39 #define MCC_WRB_SGE_CNT_SHIFT 3
40 #define MCC_WRB_SGE_CNT_MASK 0x1F
41 u32 payload_length; /* dword 1 */
42 u32 tag0; /* dword 2 */
43 u32 tag1; /* dword 3 */
44 u32 rsvd; /* dword 4 */
45 union {
46 #define EMBED_MBX_MAX_PAYLOAD_SIZE 220
47 u8 embedded_payload[236]; /* used by embedded cmds */
48 struct be_sge sgl[19]; /* used by non-embedded cmds */
49 } payload;
50 };
51
52 #define CQE_FLAGS_VALID_MASK (1 << 31)
53 #define CQE_FLAGS_ASYNC_MASK (1 << 30)
54 #define CQE_FLAGS_COMPLETED_MASK (1 << 28)
55 #define CQE_FLAGS_CONSUMED_MASK (1 << 27)
56
57 /* Completion Status */
58 #define MCC_STATUS_SUCCESS 0x0
59 #define MCC_STATUS_FAILED 0x1
60 #define MCC_STATUS_ILLEGAL_REQUEST 0x2
61 #define MCC_STATUS_ILLEGAL_FIELD 0x3
62 #define MCC_STATUS_INSUFFICIENT_BUFFER 0x4
63 #define MCC_STATUS_INVALID_LENGTH 0x74
64
65 #define CQE_STATUS_COMPL_MASK 0xFFFF
66 #define CQE_STATUS_COMPL_SHIFT 0 /* bits 0 - 15 */
67 #define CQE_STATUS_EXTD_MASK 0xFFFF
68 #define CQE_STATUS_EXTD_SHIFT 16 /* bits 31 - 16 */
69 #define CQE_STATUS_ADDL_MASK 0xFF00
70 #define CQE_STATUS_ADDL_SHIFT 8
71 #define CQE_STATUS_MASK 0xFF
72 #define CQE_STATUS_WRB_MASK 0xFF0000
73 #define CQE_STATUS_WRB_SHIFT 16
74
75 #define BEISCSI_HOST_MBX_TIMEOUT (110 * 1000)
76 #define BEISCSI_FW_MBX_TIMEOUT 100
77
78 /* MBOX Command VER */
79 #define MBX_CMD_VER1 0x01
80 #define MBX_CMD_VER2 0x02
81
82 struct be_mcc_compl {
83 u32 status; /* dword 0 */
84 u32 tag0; /* dword 1 */
85 u32 tag1; /* dword 2 */
86 u32 flags; /* dword 3 */
87 };
88
89 /********* Mailbox door bell *************/
90 /**
91 * Used for driver communication with the FW.
92 * The software must write this register twice to post any command. First,
93 * it writes the register with hi=1 and the upper bits of the physical address
94 * for the MAILBOX structure. Software must poll the ready bit until this
95 * is acknowledged. Then, sotware writes the register with hi=0 with the lower
96 * bits in the address. It must poll the ready bit until the command is
97 * complete. Upon completion, the MAILBOX will contain a valid completion
98 * queue entry.
99 */
100 #define MPU_MAILBOX_DB_OFFSET 0x160
101 #define MPU_MAILBOX_DB_RDY_MASK 0x1 /* bit 0 */
102 #define MPU_MAILBOX_DB_HI_MASK 0x2 /* bit 1 */
103
104 /********** MPU semphore: used for SH & BE ******************/
105 #define SLIPORT_SOFTRESET_OFFSET 0x5c /* CSR BAR offset */
106 #define SLIPORT_SEMAPHORE_OFFSET_BEx 0xac /* CSR BAR offset */
107 #define SLIPORT_SEMAPHORE_OFFSET_SH 0x94 /* PCI-CFG offset */
108 #define POST_STAGE_MASK 0x0000FFFF
109 #define POST_ERROR_BIT 0x80000000
110 #define POST_ERR_RECOVERY_CODE_MASK 0xF000
111
112 /* Soft Reset register masks */
113 #define SLIPORT_SOFTRESET_SR_MASK 0x00000080 /* SR bit */
114
115 /* MPU semphore POST stage values */
116 #define POST_STAGE_AWAITING_HOST_RDY 0x1 /* FW awaiting goahead from host */
117 #define POST_STAGE_HOST_RDY 0x2 /* Host has given go-ahed to FW */
118 #define POST_STAGE_BE_RESET 0x3 /* Host wants to reset chip */
119 #define POST_STAGE_ARMFW_RDY 0xC000 /* FW is done with POST */
120 #define POST_STAGE_RECOVERABLE_ERR 0xE000 /* Recoverable err detected */
121
122 /********** MCC door bell ************/
123 #define DB_MCCQ_OFFSET 0x140
124 #define DB_MCCQ_RING_ID_MASK 0xFFFF /* bits 0 - 15 */
125 /* Number of entries posted */
126 #define DB_MCCQ_NUM_POSTED_SHIFT 16 /* bits 16 - 29 */
127
128 /**
129 * When the async bit of mcc_compl is set, the last 4 bytes of
130 * mcc_compl is interpreted as follows:
131 */
132 #define ASYNC_TRAILER_EVENT_CODE_SHIFT 8 /* bits 8 - 15 */
133 #define ASYNC_TRAILER_EVENT_CODE_MASK 0xFF
134 #define ASYNC_EVENT_CODE_LINK_STATE 0x1
135 #define ASYNC_EVENT_CODE_ISCSI 0x4
136 #define ASYNC_EVENT_CODE_SLI 0x11
137
138 #define ASYNC_TRAILER_EVENT_TYPE_SHIFT 16 /* bits 16 - 23 */
139 #define ASYNC_TRAILER_EVENT_TYPE_MASK 0xFF
140
141 /* iSCSI events */
142 #define ASYNC_EVENT_NEW_ISCSI_TGT_DISC 0x4
143 #define ASYNC_EVENT_NEW_ISCSI_CONN 0x5
144 #define ASYNC_EVENT_NEW_TCP_CONN 0x7
145
146 /* SLI events */
147 #define ASYNC_SLI_EVENT_TYPE_MISCONFIGURED 0x9
148 #define ASYNC_SLI_LINK_EFFECT_VALID(le) (le & 0x80)
149 #define ASYNC_SLI_LINK_EFFECT_SEV(le) ((le >> 1) & 0x03)
150 #define ASYNC_SLI_LINK_EFFECT_STATE(le) (le & 0x01)
151
152 struct be_async_event_trailer {
153 u32 code;
154 };
155
156 enum {
157 ASYNC_EVENT_LINK_DOWN = 0x0,
158 ASYNC_EVENT_LINK_UP = 0x1,
159 };
160
161 /**
162 * When the event code of an async trailer is link-state, the mcc_compl
163 * must be interpreted as follows
164 */
165 struct be_async_event_link_state {
166 u8 physical_port;
167 u8 port_link_status;
168 /**
169 * ASYNC_EVENT_LINK_DOWN 0x0
170 * ASYNC_EVENT_LINK_UP 0x1
171 * ASYNC_EVENT_LINK_LOGICAL_DOWN 0x2
172 * ASYNC_EVENT_LINK_LOGICAL_UP 0x3
173 */
174 #define BE_ASYNC_LINK_UP_MASK 0x01
175 u8 port_duplex;
176 u8 port_speed;
177 /* BE2ISCSI_LINK_SPEED_ZERO 0x00 - no link */
178 #define BE2ISCSI_LINK_SPEED_10MBPS 0x01
179 #define BE2ISCSI_LINK_SPEED_100MBPS 0x02
180 #define BE2ISCSI_LINK_SPEED_1GBPS 0x03
181 #define BE2ISCSI_LINK_SPEED_10GBPS 0x04
182 #define BE2ISCSI_LINK_SPEED_25GBPS 0x06
183 #define BE2ISCSI_LINK_SPEED_40GBPS 0x07
184 u8 port_fault;
185 u8 event_reason;
186 u16 qos_link_speed;
187 u32 event_tag;
188 struct be_async_event_trailer trailer;
189 } __packed;
190
191 /**
192 * When async-trailer is SLI event, mcc_compl is interpreted as
193 */
194 struct be_async_event_sli {
195 u32 event_data1;
196 u32 event_data2;
197 u32 reserved;
198 u32 trailer;
199 } __packed;
200
201 struct be_mcc_mailbox {
202 struct be_mcc_wrb wrb;
203 struct be_mcc_compl compl;
204 };
205
206 /* Type of subsystems supported by FW */
207 #define CMD_SUBSYSTEM_COMMON 0x1
208 #define CMD_SUBSYSTEM_ISCSI 0x2
209 #define CMD_SUBSYSTEM_ETH 0x3
210 #define CMD_SUBSYSTEM_ISCSI_INI 0x6
211 #define CMD_COMMON_TCP_UPLOAD 0x1
212
213 /**
214 * List of common opcodes subsystem CMD_SUBSYSTEM_COMMON
215 * These opcodes are unique for each subsystem defined above
216 */
217 #define OPCODE_COMMON_CQ_CREATE 12
218 #define OPCODE_COMMON_EQ_CREATE 13
219 #define OPCODE_COMMON_MCC_CREATE 21
220 #define OPCODE_COMMON_MCC_CREATE_EXT 90
221 #define OPCODE_COMMON_ADD_TEMPLATE_HEADER_BUFFERS 24
222 #define OPCODE_COMMON_REMOVE_TEMPLATE_HEADER_BUFFERS 25
223 #define OPCODE_COMMON_GET_CNTL_ATTRIBUTES 32
224 #define OPCODE_COMMON_GET_FW_VERSION 35
225 #define OPCODE_COMMON_MODIFY_EQ_DELAY 41
226 #define OPCODE_COMMON_FIRMWARE_CONFIG 42
227 #define OPCODE_COMMON_MCC_DESTROY 53
228 #define OPCODE_COMMON_CQ_DESTROY 54
229 #define OPCODE_COMMON_EQ_DESTROY 55
230 #define OPCODE_COMMON_QUERY_FIRMWARE_CONFIG 58
231 #define OPCODE_COMMON_FUNCTION_RESET 61
232 #define OPCODE_COMMON_GET_PORT_NAME 77
233 #define OPCODE_COMMON_SET_FEATURES 191
234
235 /**
236 * LIST of opcodes that are common between Initiator and Target
237 * used by CMD_SUBSYSTEM_ISCSI
238 * These opcodes are unique for each subsystem defined above
239 */
240 #define OPCODE_COMMON_ISCSI_CFG_POST_SGL_PAGES 2
241 #define OPCODE_COMMON_ISCSI_CFG_REMOVE_SGL_PAGES 3
242 #define OPCODE_COMMON_ISCSI_NTWK_GET_NIC_CONFIG 7
243 #define OPCODE_COMMON_ISCSI_NTWK_SET_VLAN 14
244 #define OPCODE_COMMON_ISCSI_NTWK_CONFIG_STATELESS_IP_ADDR 17
245 #define OPCODE_COMMON_ISCSI_NTWK_REL_STATELESS_IP_ADDR 18
246 #define OPCODE_COMMON_ISCSI_NTWK_MODIFY_IP_ADDR 21
247 #define OPCODE_COMMON_ISCSI_NTWK_GET_DEFAULT_GATEWAY 22
248 #define OPCODE_COMMON_ISCSI_NTWK_MODIFY_DEFAULT_GATEWAY 23
249 #define OPCODE_COMMON_ISCSI_NTWK_GET_ALL_IF_ID 24
250 #define OPCODE_COMMON_ISCSI_NTWK_GET_IF_INFO 25
251 #define OPCODE_COMMON_ISCSI_SET_FRAGNUM_BITS_FOR_SGL_CRA 61
252 #define OPCODE_COMMON_ISCSI_DEFQ_CREATE 64
253 #define OPCODE_COMMON_ISCSI_DEFQ_DESTROY 65
254 #define OPCODE_COMMON_ISCSI_WRBQ_CREATE 66
255 #define OPCODE_COMMON_ISCSI_WRBQ_DESTROY 67
256
257 struct be_cmd_req_hdr {
258 u8 opcode; /* dword 0 */
259 u8 subsystem; /* dword 0 */
260 u8 port_number; /* dword 0 */
261 u8 domain; /* dword 0 */
262 u32 timeout; /* dword 1 */
263 u32 request_length; /* dword 2 */
264 u8 version; /* dword 3 */
265 u8 rsvd0[3]; /* dword 3 */
266 };
267
268 struct be_cmd_resp_hdr {
269 u32 info; /* dword 0 */
270 u32 status; /* dword 1 */
271 u32 response_length; /* dword 2 */
272 u32 actual_resp_len; /* dword 3 */
273 };
274
275 struct phys_addr {
276 u32 lo;
277 u32 hi;
278 };
279
280 struct virt_addr {
281 u32 lo;
282 u32 hi;
283 };
284 /**************************
285 * BE Command definitions *
286 **************************/
287
288 /**
289 * Pseudo amap definition in which each bit of the actual structure is defined
290 * as a byte - used to calculate offset/shift/mask of each field
291 */
292 struct amap_eq_context {
293 u8 cidx[13]; /* dword 0 */
294 u8 rsvd0[3]; /* dword 0 */
295 u8 epidx[13]; /* dword 0 */
296 u8 valid; /* dword 0 */
297 u8 rsvd1; /* dword 0 */
298 u8 size; /* dword 0 */
299 u8 pidx[13]; /* dword 1 */
300 u8 rsvd2[3]; /* dword 1 */
301 u8 pd[10]; /* dword 1 */
302 u8 count[3]; /* dword 1 */
303 u8 solevent; /* dword 1 */
304 u8 stalled; /* dword 1 */
305 u8 armed; /* dword 1 */
306 u8 rsvd3[4]; /* dword 2 */
307 u8 func[8]; /* dword 2 */
308 u8 rsvd4; /* dword 2 */
309 u8 delaymult[10]; /* dword 2 */
310 u8 rsvd5[2]; /* dword 2 */
311 u8 phase[2]; /* dword 2 */
312 u8 nodelay; /* dword 2 */
313 u8 rsvd6[4]; /* dword 2 */
314 u8 rsvd7[32]; /* dword 3 */
315 } __packed;
316
317 struct be_cmd_req_eq_create {
318 struct be_cmd_req_hdr hdr; /* dw[4] */
319 u16 num_pages; /* sword */
320 u16 rsvd0; /* sword */
321 u8 context[sizeof(struct amap_eq_context) / 8]; /* dw[4] */
322 struct phys_addr pages[8];
323 } __packed;
324
325 struct be_cmd_resp_eq_create {
326 struct be_cmd_resp_hdr resp_hdr;
327 u16 eq_id; /* sword */
328 u16 rsvd0; /* sword */
329 } __packed;
330
331 struct be_set_eqd {
332 u32 eq_id;
333 u32 phase;
334 u32 delay_multiplier;
335 } __packed;
336
337 struct mgmt_chap_format {
338 u32 flags;
339 u8 intr_chap_name[256];
340 u8 intr_secret[16];
341 u8 target_chap_name[256];
342 u8 target_secret[16];
343 u16 intr_chap_name_length;
344 u16 intr_secret_length;
345 u16 target_chap_name_length;
346 u16 target_secret_length;
347 } __packed;
348
349 struct mgmt_auth_method_format {
350 u8 auth_method_type;
351 u8 padding[3];
352 struct mgmt_chap_format chap;
353 } __packed;
354
355 struct be_cmd_req_logout_fw_sess {
356 struct be_cmd_req_hdr hdr; /* dw[4] */
357 uint32_t session_handle;
358 } __packed;
359
360 struct be_cmd_resp_logout_fw_sess {
361 struct be_cmd_resp_hdr hdr; /* dw[4] */
362 uint32_t session_status;
363 #define BE_SESS_STATUS_CLOSE 0x20
364 } __packed;
365
366 struct mgmt_conn_login_options {
367 u8 flags;
368 u8 header_digest;
369 u8 data_digest;
370 u8 rsvd0;
371 u32 max_recv_datasegment_len_ini;
372 u32 max_recv_datasegment_len_tgt;
373 u32 tcp_mss;
374 u32 tcp_window_size;
375 struct mgmt_auth_method_format auth_data;
376 } __packed;
377
378 struct ip_addr_format {
379 u16 size_of_structure;
380 u8 reserved;
381 u8 ip_type;
382 #define BEISCSI_IP_TYPE_V4 0x1
383 #define BEISCSI_IP_TYPE_STATIC_V4 0x3
384 #define BEISCSI_IP_TYPE_DHCP_V4 0x5
385 /* type v4 values < type v6 values */
386 #define BEISCSI_IP_TYPE_V6 0x10
387 #define BEISCSI_IP_TYPE_ROUTABLE_V6 0x30
388 #define BEISCSI_IP_TYPE_LINK_LOCAL_V6 0x50
389 #define BEISCSI_IP_TYPE_AUTO_V6 0x90
390 u8 addr[16];
391 u32 rsvd0;
392 } __packed;
393
394 struct mgmt_conn_info {
395 u32 connection_handle;
396 u32 connection_status;
397 u16 src_port;
398 u16 dest_port;
399 u16 dest_port_redirected;
400 u16 cid;
401 u32 estimated_throughput;
402 struct ip_addr_format src_ipaddr;
403 struct ip_addr_format dest_ipaddr;
404 struct ip_addr_format dest_ipaddr_redirected;
405 struct mgmt_conn_login_options negotiated_login_options;
406 } __packed;
407
408 struct mgmt_session_login_options {
409 u8 flags;
410 u8 error_recovery_level;
411 u16 rsvd0;
412 u32 first_burst_length;
413 u32 max_burst_length;
414 u16 max_connections;
415 u16 max_outstanding_r2t;
416 u16 default_time2wait;
417 u16 default_time2retain;
418 } __packed;
419
420 struct mgmt_session_info {
421 u32 session_handle;
422 u32 status;
423 u8 isid[6];
424 u16 tsih;
425 u32 session_flags;
426 u16 conn_count;
427 u16 pad;
428 u8 target_name[224];
429 u8 initiator_iscsiname[224];
430 struct mgmt_session_login_options negotiated_login_options;
431 struct mgmt_conn_info conn_list[1];
432 } __packed;
433
434 struct be_cmd_get_session_req {
435 struct be_cmd_req_hdr hdr;
436 u32 session_handle;
437 } __packed;
438
439 struct be_cmd_get_session_resp {
440 struct be_cmd_resp_hdr hdr;
441 struct mgmt_session_info session_info;
442 } __packed;
443
444 struct mac_addr {
445 u16 size_of_structure;
446 u8 addr[ETH_ALEN];
447 } __packed;
448
449 struct be_cmd_get_boot_target_req {
450 struct be_cmd_req_hdr hdr;
451 } __packed;
452
453 struct be_cmd_get_boot_target_resp {
454 struct be_cmd_resp_hdr hdr;
455 u32 boot_session_count;
456 u32 boot_session_handle;
457 /**
458 * FW returns 0xffffffff if it couldn't establish connection with
459 * configured boot target.
460 */
461 #define BE_BOOT_INVALID_SHANDLE 0xffffffff
462 };
463
464 struct be_cmd_reopen_session_req {
465 struct be_cmd_req_hdr hdr;
466 #define BE_REOPEN_ALL_SESSIONS 0x00
467 #define BE_REOPEN_BOOT_SESSIONS 0x01
468 #define BE_REOPEN_A_SESSION 0x02
469 u16 reopen_type;
470 u16 rsvd;
471 u32 session_handle;
472 } __packed;
473
474 struct be_cmd_reopen_session_resp {
475 struct be_cmd_resp_hdr hdr;
476 u32 rsvd;
477 u32 session_handle;
478 } __packed;
479
480
481 struct be_cmd_mac_query_req {
482 struct be_cmd_req_hdr hdr;
483 u8 type;
484 u8 permanent;
485 u16 if_id;
486 } __packed;
487
488 struct be_cmd_get_mac_resp {
489 struct be_cmd_resp_hdr hdr;
490 struct mac_addr mac;
491 };
492
493 struct be_ip_addr_subnet_format {
494 u16 size_of_structure;
495 u8 ip_type;
496 u8 ipv6_prefix_length;
497 u8 addr[16];
498 u8 subnet_mask[16];
499 u32 rsvd0;
500 } __packed;
501
502 struct be_cmd_get_if_info_req {
503 struct be_cmd_req_hdr hdr;
504 u32 interface_hndl;
505 u32 ip_type;
506 } __packed;
507
508 struct be_cmd_get_if_info_resp {
509 struct be_cmd_req_hdr hdr;
510 u32 interface_hndl;
511 u32 vlan_priority;
512 u32 ip_addr_count;
513 u32 dhcp_state;
514 struct be_ip_addr_subnet_format ip_addr;
515 } __packed;
516
517 struct be_ip_addr_record {
518 u32 action;
519 u32 interface_hndl;
520 struct be_ip_addr_subnet_format ip_addr;
521 u32 status;
522 } __packed;
523
524 struct be_ip_addr_record_params {
525 u32 record_entry_count;
526 struct be_ip_addr_record ip_record;
527 } __packed;
528
529 struct be_cmd_set_ip_addr_req {
530 struct be_cmd_req_hdr hdr;
531 struct be_ip_addr_record_params ip_params;
532 } __packed;
533
534
535 struct be_cmd_set_dhcp_req {
536 struct be_cmd_req_hdr hdr;
537 u32 interface_hndl;
538 u32 ip_type;
539 u32 flags;
540 u32 retry_count;
541 } __packed;
542
543 struct be_cmd_rel_dhcp_req {
544 struct be_cmd_req_hdr hdr;
545 u32 interface_hndl;
546 u32 ip_type;
547 } __packed;
548
549 struct be_cmd_set_def_gateway_req {
550 struct be_cmd_req_hdr hdr;
551 u32 action;
552 struct ip_addr_format ip_addr;
553 } __packed;
554
555 struct be_cmd_get_def_gateway_req {
556 struct be_cmd_req_hdr hdr;
557 u32 ip_type;
558 } __packed;
559
560 struct be_cmd_get_def_gateway_resp {
561 struct be_cmd_req_hdr hdr;
562 struct ip_addr_format ip_addr;
563 } __packed;
564
565 #define BEISCSI_VLAN_DISABLE 0xFFFF
566 struct be_cmd_set_vlan_req {
567 struct be_cmd_req_hdr hdr;
568 u32 interface_hndl;
569 u32 vlan_priority;
570 } __packed;
571 /******************** Create CQ ***************************/
572 /**
573 * Pseudo amap definition in which each bit of the actual structure is defined
574 * as a byte - used to calculate offset/shift/mask of each field
575 */
576 struct amap_cq_context {
577 u8 cidx[11]; /* dword 0 */
578 u8 rsvd0; /* dword 0 */
579 u8 coalescwm[2]; /* dword 0 */
580 u8 nodelay; /* dword 0 */
581 u8 epidx[11]; /* dword 0 */
582 u8 rsvd1; /* dword 0 */
583 u8 count[2]; /* dword 0 */
584 u8 valid; /* dword 0 */
585 u8 solevent; /* dword 0 */
586 u8 eventable; /* dword 0 */
587 u8 pidx[11]; /* dword 1 */
588 u8 rsvd2; /* dword 1 */
589 u8 pd[10]; /* dword 1 */
590 u8 eqid[8]; /* dword 1 */
591 u8 stalled; /* dword 1 */
592 u8 armed; /* dword 1 */
593 u8 rsvd3[4]; /* dword 2 */
594 u8 func[8]; /* dword 2 */
595 u8 rsvd4[20]; /* dword 2 */
596 u8 rsvd5[32]; /* dword 3 */
597 } __packed;
598
599 struct amap_cq_context_v2 {
600 u8 rsvd0[12]; /* dword 0 */
601 u8 coalescwm[2]; /* dword 0 */
602 u8 nodelay; /* dword 0 */
603 u8 rsvd1[12]; /* dword 0 */
604 u8 count[2]; /* dword 0 */
605 u8 valid; /* dword 0 */
606 u8 rsvd2; /* dword 0 */
607 u8 eventable; /* dword 0 */
608 u8 eqid[16]; /* dword 1 */
609 u8 rsvd3[15]; /* dword 1 */
610 u8 armed; /* dword 1 */
611 u8 cqecount[16];/* dword 2 */
612 u8 rsvd4[16]; /* dword 2 */
613 u8 rsvd5[32]; /* dword 3 */
614 };
615
616 struct be_cmd_req_cq_create {
617 struct be_cmd_req_hdr hdr;
618 u16 num_pages;
619 u8 page_size;
620 u8 rsvd0;
621 u8 context[sizeof(struct amap_cq_context) / 8];
622 struct phys_addr pages[4];
623 } __packed;
624
625 struct be_cmd_resp_cq_create {
626 struct be_cmd_resp_hdr hdr;
627 u16 cq_id;
628 u16 rsvd0;
629 } __packed;
630
631 /******************** Create MCCQ ***************************/
632 /**
633 * Pseudo amap definition in which each bit of the actual structure is defined
634 * as a byte - used to calculate offset/shift/mask of each field
635 */
636 struct amap_mcc_context {
637 u8 con_index[14];
638 u8 rsvd0[2];
639 u8 ring_size[4];
640 u8 fetch_wrb;
641 u8 fetch_r2t;
642 u8 cq_id[10];
643 u8 prod_index[14];
644 u8 fid[8];
645 u8 pdid[9];
646 u8 valid;
647 u8 rsvd1[32];
648 u8 rsvd2[32];
649 } __packed;
650
651 struct be_cmd_req_mcc_create_ext {
652 struct be_cmd_req_hdr hdr;
653 u16 num_pages;
654 u16 rsvd0;
655 u32 async_evt_bitmap;
656 u8 context[sizeof(struct amap_mcc_context) / 8];
657 struct phys_addr pages[8];
658 } __packed;
659
660 struct be_cmd_resp_mcc_create {
661 struct be_cmd_resp_hdr hdr;
662 u16 id;
663 u16 rsvd0;
664 } __packed;
665
666 /******************** Q Destroy ***************************/
667 /* Type of Queue to be destroyed */
668 enum {
669 QTYPE_EQ = 1,
670 QTYPE_CQ,
671 QTYPE_MCCQ,
672 QTYPE_WRBQ,
673 QTYPE_DPDUQ,
674 QTYPE_SGL
675 };
676
677 struct be_cmd_req_q_destroy {
678 struct be_cmd_req_hdr hdr;
679 u16 id;
680 u16 bypass_flush; /* valid only for rx q destroy */
681 } __packed;
682
683 struct macaddr {
684 u8 byte[ETH_ALEN];
685 };
686
687 struct be_cmd_req_mcast_mac_config {
688 struct be_cmd_req_hdr hdr;
689 u16 num_mac;
690 u8 promiscuous;
691 u8 interface_id;
692 struct macaddr mac[32];
693 } __packed;
694
embedded_payload(struct be_mcc_wrb * wrb)695 static inline void *embedded_payload(struct be_mcc_wrb *wrb)
696 {
697 return wrb->payload.embedded_payload;
698 }
699
nonembedded_sgl(struct be_mcc_wrb * wrb)700 static inline struct be_sge *nonembedded_sgl(struct be_mcc_wrb *wrb)
701 {
702 return &wrb->payload.sgl[0];
703 }
704
705 /******************** Modify EQ Delay *******************/
706 struct be_cmd_req_modify_eq_delay {
707 struct be_cmd_req_hdr hdr;
708 __le32 num_eq;
709 struct {
710 __le32 eq_id;
711 __le32 phase;
712 __le32 delay_multiplier;
713 } delay[MAX_CPUS];
714 } __packed;
715
716 /******************** Get MAC ADDR *******************/
717
718 struct be_cmd_get_nic_conf_resp {
719 struct be_cmd_resp_hdr hdr;
720 u32 nic_port_count;
721 u32 speed;
722 u32 max_speed;
723 u32 link_state;
724 u32 max_frame_size;
725 u16 size_of_structure;
726 u8 mac_address[ETH_ALEN];
727 } __packed;
728
729 /******************** Get HBA NAME *******************/
730
731 struct be_cmd_hba_name {
732 struct be_cmd_req_hdr hdr;
733 u16 flags;
734 u16 rsvd0;
735 u8 initiator_name[ISCSI_NAME_LEN];
736 #define BE_INI_ALIAS_LEN 32
737 u8 initiator_alias[BE_INI_ALIAS_LEN];
738 } __packed;
739
740 /******************** COMMON SET Features *******************/
741 #define BE_CMD_SET_FEATURE_UER 0x10
742 #define BE_CMD_UER_SUPP_BIT 0x1
743 struct be_uer_req {
744 u32 uer;
745 u32 rsvd;
746 };
747
748 struct be_uer_resp {
749 u32 uer;
750 u16 ue2rp;
751 u16 ue2sr;
752 };
753
754 struct be_cmd_set_features {
755 union {
756 struct be_cmd_req_hdr req_hdr;
757 struct be_cmd_resp_hdr resp_hdr;
758 } h;
759 u32 feature;
760 u32 param_len;
761 union {
762 struct be_uer_req req;
763 struct be_uer_resp resp;
764 u32 rsvd[2];
765 } param;
766 } __packed;
767
768 int beiscsi_cmd_function_reset(struct beiscsi_hba *phba);
769
770 int beiscsi_cmd_special_wrb(struct be_ctrl_info *ctrl, u32 load);
771
772 int beiscsi_check_fw_rdy(struct beiscsi_hba *phba);
773
774 int beiscsi_init_sliport(struct beiscsi_hba *phba);
775
776 int beiscsi_cmd_iscsi_cleanup(struct beiscsi_hba *phba, unsigned short ulp_num);
777
778 int beiscsi_detect_ue(struct beiscsi_hba *phba);
779
780 int beiscsi_detect_tpe(struct beiscsi_hba *phba);
781
782 int beiscsi_cmd_eq_create(struct be_ctrl_info *ctrl,
783 struct be_queue_info *eq, int eq_delay);
784
785 int beiscsi_cmd_cq_create(struct be_ctrl_info *ctrl,
786 struct be_queue_info *cq, struct be_queue_info *eq,
787 bool sol_evts, bool no_delay,
788 int num_cqe_dma_coalesce);
789
790 int beiscsi_cmd_q_destroy(struct be_ctrl_info *ctrl, struct be_queue_info *q,
791 int type);
792 int beiscsi_cmd_mccq_create(struct beiscsi_hba *phba,
793 struct be_queue_info *mccq,
794 struct be_queue_info *cq);
795
796 unsigned int be_cmd_get_initname(struct beiscsi_hba *phba);
797
798 void free_mcc_wrb(struct be_ctrl_info *ctrl, unsigned int tag);
799
800 int beiscsi_modify_eq_delay(struct beiscsi_hba *phba, struct be_set_eqd *,
801 int num);
802 int beiscsi_mccq_compl_wait(struct beiscsi_hba *phba,
803 unsigned int tag,
804 struct be_mcc_wrb **wrb,
805 struct be_dma_mem *mbx_cmd_mem);
806 int __beiscsi_mcc_compl_status(struct beiscsi_hba *phba,
807 unsigned int tag,
808 struct be_mcc_wrb **wrb,
809 struct be_dma_mem *mbx_cmd_mem);
810 struct be_mcc_wrb *wrb_from_mbox(struct be_dma_mem *mbox_mem);
811 void be_mcc_notify(struct beiscsi_hba *phba, unsigned int tag);
812 struct be_mcc_wrb *alloc_mcc_wrb(struct beiscsi_hba *phba,
813 unsigned int *ref_tag);
814 void beiscsi_process_async_event(struct beiscsi_hba *phba,
815 struct be_mcc_compl *compl);
816 int beiscsi_process_mcc_compl(struct be_ctrl_info *ctrl,
817 struct be_mcc_compl *compl);
818
819 int be_cmd_create_default_pdu_queue(struct be_ctrl_info *ctrl,
820 struct be_queue_info *cq,
821 struct be_queue_info *dq, int length,
822 int entry_size, uint8_t is_header,
823 uint8_t ulp_num);
824
825 int be_cmd_iscsi_post_template_hdr(struct be_ctrl_info *ctrl,
826 struct be_dma_mem *q_mem);
827
828 int be_cmd_iscsi_remove_template_hdr(struct be_ctrl_info *ctrl);
829
830 int be_cmd_iscsi_post_sgl_pages(struct be_ctrl_info *ctrl,
831 struct be_dma_mem *q_mem, u32 page_offset,
832 u32 num_pages);
833
834 int be_cmd_wrbq_create(struct be_ctrl_info *ctrl, struct be_dma_mem *q_mem,
835 struct be_queue_info *wrbq,
836 struct hwi_wrb_context *pwrb_context,
837 uint8_t ulp_num);
838
839 /* Configuration Functions */
840 int be_cmd_set_vlan(struct beiscsi_hba *phba, uint16_t vlan_tag);
841
842 int beiscsi_check_supported_fw(struct be_ctrl_info *ctrl,
843 struct beiscsi_hba *phba);
844
845 int beiscsi_get_fw_config(struct be_ctrl_info *ctrl, struct beiscsi_hba *phba);
846
847 int beiscsi_get_port_name(struct be_ctrl_info *ctrl, struct beiscsi_hba *phba);
848
849 int beiscsi_set_uer_feature(struct beiscsi_hba *phba);
850
851 struct be_default_pdu_context {
852 u32 dw[4];
853 } __packed;
854
855 struct amap_be_default_pdu_context {
856 u8 dbuf_cindex[13]; /* dword 0 */
857 u8 rsvd0[3]; /* dword 0 */
858 u8 ring_size[4]; /* dword 0 */
859 u8 ring_state[4]; /* dword 0 */
860 u8 rsvd1[8]; /* dword 0 */
861 u8 dbuf_pindex[13]; /* dword 1 */
862 u8 rsvd2; /* dword 1 */
863 u8 pci_func_id[8]; /* dword 1 */
864 u8 rx_pdid[9]; /* dword 1 */
865 u8 rx_pdid_valid; /* dword 1 */
866 u8 default_buffer_size[16]; /* dword 2 */
867 u8 cq_id_recv[10]; /* dword 2 */
868 u8 rx_pdid_not_valid; /* dword 2 */
869 u8 rsvd3[5]; /* dword 2 */
870 u8 rsvd4[32]; /* dword 3 */
871 } __packed;
872
873 struct amap_default_pdu_context_ext {
874 u8 rsvd0[16]; /* dword 0 */
875 u8 ring_size[4]; /* dword 0 */
876 u8 rsvd1[12]; /* dword 0 */
877 u8 rsvd2[22]; /* dword 1 */
878 u8 rx_pdid[9]; /* dword 1 */
879 u8 rx_pdid_valid; /* dword 1 */
880 u8 default_buffer_size[16]; /* dword 2 */
881 u8 cq_id_recv[16]; /* dword 2 */
882 u8 rsvd3[32]; /* dword 3 */
883 } __packed;
884
885 struct be_defq_create_req {
886 struct be_cmd_req_hdr hdr;
887 u16 num_pages;
888 u8 ulp_num;
889 #define BEISCSI_DUAL_ULP_AWARE_BIT 0 /* Byte 3 - Bit 0 */
890 #define BEISCSI_BIND_Q_TO_ULP_BIT 1 /* Byte 3 - Bit 1 */
891 u8 dua_feature;
892 struct be_default_pdu_context context;
893 struct phys_addr pages[8];
894 } __packed;
895
896 struct be_defq_create_resp {
897 struct be_cmd_req_hdr hdr;
898 u16 id;
899 u8 rsvd0;
900 u8 ulp_num;
901 u32 doorbell_offset;
902 u16 register_set;
903 u16 doorbell_format;
904 } __packed;
905
906 struct be_post_template_pages_req {
907 struct be_cmd_req_hdr hdr;
908 u16 num_pages;
909 #define BEISCSI_TEMPLATE_HDR_TYPE_ISCSI 0x1
910 u16 type;
911 struct phys_addr scratch_pa;
912 struct virt_addr scratch_va;
913 struct virt_addr pages_va;
914 struct phys_addr pages[16];
915 } __packed;
916
917 struct be_remove_template_pages_req {
918 struct be_cmd_req_hdr hdr;
919 u16 type;
920 u16 rsvd0;
921 } __packed;
922
923 struct be_post_sgl_pages_req {
924 struct be_cmd_req_hdr hdr;
925 u16 num_pages;
926 u16 page_offset;
927 u32 rsvd0;
928 struct phys_addr pages[26];
929 u32 rsvd1;
930 } __packed;
931
932 struct be_wrbq_create_req {
933 struct be_cmd_req_hdr hdr;
934 u16 num_pages;
935 u8 ulp_num;
936 u8 dua_feature;
937 struct phys_addr pages[8];
938 } __packed;
939
940 struct be_wrbq_create_resp {
941 struct be_cmd_resp_hdr resp_hdr;
942 u16 cid;
943 u8 rsvd0;
944 u8 ulp_num;
945 u32 doorbell_offset;
946 u16 register_set;
947 u16 doorbell_format;
948 } __packed;
949
950 #define SOL_CID_MASK 0x0000FFC0
951 #define SOL_CODE_MASK 0x0000003F
952 #define SOL_WRB_INDEX_MASK 0x00FF0000
953 #define SOL_CMD_WND_MASK 0xFF000000
954 #define SOL_RES_CNT_MASK 0x7FFFFFFF
955 #define SOL_EXP_CMD_SN_MASK 0xFFFFFFFF
956 #define SOL_HW_STS_MASK 0x000000FF
957 #define SOL_STS_MASK 0x0000FF00
958 #define SOL_RESP_MASK 0x00FF0000
959 #define SOL_FLAGS_MASK 0x7F000000
960 #define SOL_S_MASK 0x80000000
961
962 struct sol_cqe {
963 u32 dw[4];
964 };
965
966 struct amap_sol_cqe {
967 u8 hw_sts[8]; /* dword 0 */
968 u8 i_sts[8]; /* dword 0 */
969 u8 i_resp[8]; /* dword 0 */
970 u8 i_flags[7]; /* dword 0 */
971 u8 s; /* dword 0 */
972 u8 i_exp_cmd_sn[32]; /* dword 1 */
973 u8 code[6]; /* dword 2 */
974 u8 cid[10]; /* dword 2 */
975 u8 wrb_index[8]; /* dword 2 */
976 u8 i_cmd_wnd[8]; /* dword 2 */
977 u8 i_res_cnt[31]; /* dword 3 */
978 u8 valid; /* dword 3 */
979 } __packed;
980
981 #define SOL_ICD_INDEX_MASK 0x0003FFC0
982 struct amap_sol_cqe_ring {
983 u8 hw_sts[8]; /* dword 0 */
984 u8 i_sts[8]; /* dword 0 */
985 u8 i_resp[8]; /* dword 0 */
986 u8 i_flags[7]; /* dword 0 */
987 u8 s; /* dword 0 */
988 u8 i_exp_cmd_sn[32]; /* dword 1 */
989 u8 code[6]; /* dword 2 */
990 u8 icd_index[12]; /* dword 2 */
991 u8 rsvd[6]; /* dword 2 */
992 u8 i_cmd_wnd[8]; /* dword 2 */
993 u8 i_res_cnt[31]; /* dword 3 */
994 u8 valid; /* dword 3 */
995 } __packed;
996
997 struct amap_sol_cqe_v2 {
998 u8 hw_sts[8]; /* dword 0 */
999 u8 i_sts[8]; /* dword 0 */
1000 u8 wrb_index[16]; /* dword 0 */
1001 u8 i_exp_cmd_sn[32]; /* dword 1 */
1002 u8 code[6]; /* dword 2 */
1003 u8 cmd_cmpl; /* dword 2 */
1004 u8 rsvd0; /* dword 2 */
1005 u8 i_cmd_wnd[8]; /* dword 2 */
1006 u8 cid[13]; /* dword 2 */
1007 u8 u; /* dword 2 */
1008 u8 o; /* dword 2 */
1009 u8 s; /* dword 2 */
1010 u8 i_res_cnt[31]; /* dword 3 */
1011 u8 valid; /* dword 3 */
1012 } __packed;
1013
1014 struct common_sol_cqe {
1015 u32 exp_cmdsn;
1016 u32 res_cnt;
1017 u16 wrb_index;
1018 u16 cid;
1019 u8 hw_sts;
1020 u8 cmd_wnd;
1021 u8 res_flag; /* the s feild of structure */
1022 u8 i_resp; /* for skh if cmd_complete is set then i_sts is response */
1023 u8 i_flags; /* for skh or the u and o feilds */
1024 u8 i_sts; /* for skh if cmd_complete is not-set then i_sts is status */
1025 };
1026
1027 /*** iSCSI ack/driver message completions ***/
1028 struct amap_it_dmsg_cqe {
1029 u8 ack_num[32]; /* DWORD 0 */
1030 u8 pdu_bytes_rcvd[32]; /* DWORD 1 */
1031 u8 code[6]; /* DWORD 2 */
1032 u8 cid[10]; /* DWORD 2 */
1033 u8 wrb_idx[8]; /* DWORD 2 */
1034 u8 rsvd0[8]; /* DWORD 2*/
1035 u8 rsvd1[31]; /* DWORD 3*/
1036 u8 valid; /* DWORD 3 */
1037 } __packed;
1038
1039 struct amap_it_dmsg_cqe_v2 {
1040 u8 ack_num[32]; /* DWORD 0 */
1041 u8 pdu_bytes_rcvd[32]; /* DWORD 1 */
1042 u8 code[6]; /* DWORD 2 */
1043 u8 rsvd0[10]; /* DWORD 2 */
1044 u8 wrb_idx[16]; /* DWORD 2 */
1045 u8 rsvd1[16]; /* DWORD 3 */
1046 u8 cid[13]; /* DWORD 3 */
1047 u8 rsvd2[2]; /* DWORD 3 */
1048 u8 valid; /* DWORD 3 */
1049 } __packed;
1050
1051
1052 /**
1053 * Post WRB Queue Doorbell Register used by the host Storage
1054 * stack to notify the
1055 * controller of a posted Work Request Block
1056 */
1057 #define DB_WRB_POST_CID_MASK 0xFFFF /* bits 0 - 16 */
1058 #define DB_DEF_PDU_WRB_INDEX_MASK 0xFF /* bits 0 - 9 */
1059
1060 #define DB_DEF_PDU_WRB_INDEX_SHIFT 16
1061 #define DB_DEF_PDU_NUM_POSTED_SHIFT 24
1062
1063 struct fragnum_bits_for_sgl_cra_in {
1064 struct be_cmd_req_hdr hdr;
1065 u32 num_bits;
1066 } __packed;
1067
1068 struct iscsi_cleanup_req {
1069 struct be_cmd_req_hdr hdr;
1070 u16 chute;
1071 u8 hdr_ring_id;
1072 u8 data_ring_id;
1073 } __packed;
1074
1075 struct iscsi_cleanup_req_v1 {
1076 struct be_cmd_req_hdr hdr;
1077 u16 chute;
1078 u16 rsvd1;
1079 u16 hdr_ring_id;
1080 u16 rsvd2;
1081 u16 data_ring_id;
1082 u16 rsvd3;
1083 } __packed;
1084
1085 struct eq_delay {
1086 u32 eq_id;
1087 u32 phase;
1088 u32 delay_multiplier;
1089 } __packed;
1090
1091 struct be_eq_delay_params_in {
1092 struct be_cmd_req_hdr hdr;
1093 u32 num_eq;
1094 struct eq_delay delay[8];
1095 } __packed;
1096
1097 struct tcp_connect_and_offload_in {
1098 struct be_cmd_req_hdr hdr;
1099 struct ip_addr_format ip_address;
1100 u16 tcp_port;
1101 u16 cid;
1102 u16 cq_id;
1103 u16 defq_id;
1104 struct phys_addr dataout_template_pa;
1105 u16 hdr_ring_id;
1106 u16 data_ring_id;
1107 u8 do_offload;
1108 u8 rsvd0[3];
1109 } __packed;
1110
1111 struct tcp_connect_and_offload_in_v1 {
1112 struct be_cmd_req_hdr hdr;
1113 struct ip_addr_format ip_address;
1114 u16 tcp_port;
1115 u16 cid;
1116 u16 cq_id;
1117 u16 defq_id;
1118 struct phys_addr dataout_template_pa;
1119 u16 hdr_ring_id;
1120 u16 data_ring_id;
1121 u8 do_offload;
1122 u8 ifd_state;
1123 u8 rsvd0[2];
1124 u16 tcp_window_size;
1125 u8 tcp_window_scale_count;
1126 u8 rsvd1;
1127 u32 tcp_mss:24;
1128 u8 rsvd2;
1129 } __packed;
1130
1131 struct tcp_connect_and_offload_out {
1132 struct be_cmd_resp_hdr hdr;
1133 u32 connection_handle;
1134 u16 cid;
1135 u16 rsvd0;
1136
1137 } __packed;
1138
1139 #define DB_DEF_PDU_RING_ID_MASK 0x3FFF /* bits 0 - 13 */
1140 #define DB_DEF_PDU_CQPROC_MASK 0x3FFF /* bits 16 - 29 */
1141 #define DB_DEF_PDU_REARM_SHIFT 14
1142 #define DB_DEF_PDU_EVENT_SHIFT 15
1143 #define DB_DEF_PDU_CQPROC_SHIFT 16
1144
1145 struct be_invalidate_connection_params_in {
1146 struct be_cmd_req_hdr hdr;
1147 u32 session_handle;
1148 u16 cid;
1149 u16 unused;
1150 #define BE_CLEANUP_TYPE_INVALIDATE 0x8001
1151 #define BE_CLEANUP_TYPE_ISSUE_TCP_RST 0x8002
1152 u16 cleanup_type;
1153 u16 save_cfg;
1154 } __packed;
1155
1156 struct be_invalidate_connection_params_out {
1157 u32 session_handle;
1158 u16 cid;
1159 u16 unused;
1160 } __packed;
1161
1162 union be_invalidate_connection_params {
1163 struct be_invalidate_connection_params_in req;
1164 struct be_invalidate_connection_params_out resp;
1165 } __packed;
1166
1167 struct be_tcp_upload_params_in {
1168 struct be_cmd_req_hdr hdr;
1169 u16 id;
1170 #define BE_UPLOAD_TYPE_GRACEFUL 1
1171 /* abortive upload with reset */
1172 #define BE_UPLOAD_TYPE_ABORT_RESET 2
1173 /* abortive upload without reset */
1174 #define BE_UPLOAD_TYPE_ABORT 3
1175 /* abortive upload with reset, sequence number by driver */
1176 #define BE_UPLOAD_TYPE_ABORT_WITH_SEQ 4
1177 u16 upload_type;
1178 u32 reset_seq;
1179 } __packed;
1180
1181 struct be_tcp_upload_params_out {
1182 u32 dw[32];
1183 } __packed;
1184
1185 union be_tcp_upload_params {
1186 struct be_tcp_upload_params_in request;
1187 struct be_tcp_upload_params_out response;
1188 } __packed;
1189
1190 struct be_ulp_fw_cfg {
1191 #define BEISCSI_ULP_ISCSI_INI_MODE 0x10
1192 u32 ulp_mode;
1193 u32 etx_base;
1194 u32 etx_count;
1195 u32 sq_base;
1196 u32 sq_count;
1197 u32 rq_base;
1198 u32 rq_count;
1199 u32 dq_base;
1200 u32 dq_count;
1201 u32 lro_base;
1202 u32 lro_count;
1203 u32 icd_base;
1204 u32 icd_count;
1205 };
1206
1207 struct be_ulp_chain_icd {
1208 u32 chain_base;
1209 u32 chain_count;
1210 };
1211
1212 struct be_fw_cfg {
1213 struct be_cmd_req_hdr hdr;
1214 u32 be_config_number;
1215 u32 asic_revision;
1216 u32 phys_port;
1217 #define BEISCSI_FUNC_ISCSI_INI_MODE 0x10
1218 #define BEISCSI_FUNC_DUA_MODE 0x800
1219 u32 function_mode;
1220 struct be_ulp_fw_cfg ulp[2];
1221 u32 function_caps;
1222 u32 cqid_base;
1223 u32 cqid_count;
1224 u32 eqid_base;
1225 u32 eqid_count;
1226 struct be_ulp_chain_icd chain_icd[2];
1227 } __packed;
1228
1229 struct be_cmd_get_all_if_id_req {
1230 struct be_cmd_req_hdr hdr;
1231 u32 if_count;
1232 u32 if_hndl_list[1];
1233 } __packed;
1234
1235 struct be_cmd_get_port_name {
1236 union {
1237 struct be_cmd_req_hdr req_hdr;
1238 struct be_cmd_resp_hdr resp_hdr;
1239 } h;
1240 union {
1241 struct {
1242 u32 reserved;
1243 } req;
1244 struct {
1245 u32 port_names;
1246 } resp;
1247 } p;
1248 } __packed;
1249
1250 #define ISCSI_OPCODE_SCSI_DATA_OUT 5
1251 #define OPCODE_COMMON_NTWK_LINK_STATUS_QUERY 5
1252 #define OPCODE_COMMON_MODIFY_EQ_DELAY 41
1253 #define OPCODE_COMMON_ISCSI_CLEANUP 59
1254 #define OPCODE_COMMON_TCP_UPLOAD 56
1255 #define OPCODE_COMMON_ISCSI_TCP_CONNECT_AND_OFFLOAD 70
1256 #define OPCODE_COMMON_ISCSI_ERROR_RECOVERY_INVALIDATE_COMMANDS 1
1257 #define OPCODE_ISCSI_INI_CFG_GET_HBA_NAME 6
1258 #define OPCODE_ISCSI_INI_CFG_SET_HBA_NAME 7
1259 #define OPCODE_ISCSI_INI_SESSION_GET_A_SESSION 14
1260 #define OPCODE_ISCSI_INI_SESSION_LOGOUT_TARGET 24
1261 #define OPCODE_ISCSI_INI_DRIVER_REOPEN_ALL_SESSIONS 36
1262 #define OPCODE_ISCSI_INI_DRIVER_OFFLOAD_SESSION 41
1263 #define OPCODE_ISCSI_INI_DRIVER_INVALIDATE_CONNECTION 42
1264 #define OPCODE_ISCSI_INI_BOOT_GET_BOOT_TARGET 52
1265 #define OPCODE_COMMON_WRITE_FLASH 96
1266 #define OPCODE_COMMON_READ_FLASH 97
1267
1268 #define CMD_ISCSI_COMMAND_INVALIDATE 1
1269
1270 #define INI_WR_CMD 1 /* Initiator write command */
1271 #define INI_TMF_CMD 2 /* Initiator TMF command */
1272 #define INI_NOPOUT_CMD 3 /* Initiator; Send a NOP-OUT */
1273 #define INI_RD_CMD 5 /* Initiator requesting to send
1274 * a read command
1275 */
1276 #define TGT_CTX_UPDT_CMD 7 /* Target context update */
1277 #define TGT_STS_CMD 8 /* Target R2T and other BHS
1278 * where only the status number
1279 * need to be updated
1280 */
1281 #define TGT_DATAIN_CMD 9 /* Target Data-Ins in response
1282 * to read command
1283 */
1284 #define TGT_SOS_PDU 10 /* Target:standalone status
1285 * response
1286 */
1287 #define TGT_DM_CMD 11 /* Indicates that the bhs
1288 * preparedby
1289 * driver should not be touched
1290 */
1291
1292 /* Returns the number of items in the field array. */
1293 #define BE_NUMBER_OF_FIELD(_type_, _field_) \
1294 (FIELD_SIZEOF(_type_, _field_)/sizeof((((_type_ *)0)->_field_[0])))\
1295
1296 /**
1297 * Different types of iSCSI completions to host driver for both initiator
1298 * and taget mode
1299 * of operation.
1300 */
1301 #define SOL_CMD_COMPLETE 1 /* Solicited command completed
1302 * normally
1303 */
1304 #define SOL_CMD_KILLED_DATA_DIGEST_ERR 2 /* Solicited command got
1305 * invalidated internally due
1306 * to Data Digest error
1307 */
1308 #define CXN_KILLED_PDU_SIZE_EXCEEDS_DSL 3 /* Connection got invalidated
1309 * internally
1310 * due to a received PDU
1311 * size > DSL
1312 */
1313 #define CXN_KILLED_BURST_LEN_MISMATCH 4 /* Connection got invalidated
1314 * internally due ti received
1315 * PDU sequence size >
1316 * FBL/MBL.
1317 */
1318 #define CXN_KILLED_AHS_RCVD 5 /* Connection got invalidated
1319 * internally due to a received
1320 * PDU Hdr that has
1321 * AHS */
1322 #define CXN_KILLED_HDR_DIGEST_ERR 6 /* Connection got invalidated
1323 * internally due to Hdr Digest
1324 * error
1325 */
1326 #define CXN_KILLED_UNKNOWN_HDR 7 /* Connection got invalidated
1327 * internally
1328 * due to a bad opcode in the
1329 * pdu hdr
1330 */
1331 #define CXN_KILLED_STALE_ITT_TTT_RCVD 8 /* Connection got invalidated
1332 * internally due to a received
1333 * ITT/TTT that does not belong
1334 * to this Connection
1335 */
1336 #define CXN_KILLED_INVALID_ITT_TTT_RCVD 9 /* Connection got invalidated
1337 * internally due to received
1338 * ITT/TTT value > Max
1339 * Supported ITTs/TTTs
1340 */
1341 #define CXN_KILLED_RST_RCVD 10 /* Connection got invalidated
1342 * internally due to an
1343 * incoming TCP RST
1344 */
1345 #define CXN_KILLED_TIMED_OUT 11 /* Connection got invalidated
1346 * internally due to timeout on
1347 * tcp segment 12 retransmit
1348 * attempts failed
1349 */
1350 #define CXN_KILLED_RST_SENT 12 /* Connection got invalidated
1351 * internally due to TCP RST
1352 * sent by the Tx side
1353 */
1354 #define CXN_KILLED_FIN_RCVD 13 /* Connection got invalidated
1355 * internally due to an
1356 * incoming TCP FIN.
1357 */
1358 #define CXN_KILLED_BAD_UNSOL_PDU_RCVD 14 /* Connection got invalidated
1359 * internally due to bad
1360 * unsolicited PDU Unsolicited
1361 * PDUs are PDUs with
1362 * ITT=0xffffffff
1363 */
1364 #define CXN_KILLED_BAD_WRB_INDEX_ERROR 15 /* Connection got invalidated
1365 * internally due to bad WRB
1366 * index.
1367 */
1368 #define CXN_KILLED_OVER_RUN_RESIDUAL 16 /* Command got invalidated
1369 * internally due to received
1370 * command has residual
1371 * over run bytes.
1372 */
1373 #define CXN_KILLED_UNDER_RUN_RESIDUAL 17 /* Command got invalidated
1374 * internally due to received
1375 * command has residual under
1376 * run bytes.
1377 */
1378 #define CMD_KILLED_INVALID_STATSN_RCVD 18 /* Command got invalidated
1379 * internally due to a received
1380 * PDU has an invalid StatusSN
1381 */
1382 #define CMD_KILLED_INVALID_R2T_RCVD 19 /* Command got invalidated
1383 * internally due to a received
1384 * an R2T with some invalid
1385 * fields in it
1386 */
1387 #define CMD_CXN_KILLED_LUN_INVALID 20 /* Command got invalidated
1388 * internally due to received
1389 * PDU has an invalid LUN.
1390 */
1391 #define CMD_CXN_KILLED_ICD_INVALID 21 /* Command got invalidated
1392 * internally due to the
1393 * corresponding ICD not in a
1394 * valid state
1395 */
1396 #define CMD_CXN_KILLED_ITT_INVALID 22 /* Command got invalidated due
1397 * to received PDU has an
1398 * invalid ITT.
1399 */
1400 #define CMD_CXN_KILLED_SEQ_OUTOFORDER 23 /* Command got invalidated due
1401 * to received sequence buffer
1402 * offset is out of order.
1403 */
1404 #define CMD_CXN_KILLED_INVALID_DATASN_RCVD 24 /* Command got invalidated
1405 * internally due to a
1406 * received PDU has an invalid
1407 * DataSN
1408 */
1409 #define CXN_INVALIDATE_NOTIFY 25 /* Connection invalidation
1410 * completion notify.
1411 */
1412 #define CXN_INVALIDATE_INDEX_NOTIFY 26 /* Connection invalidation
1413 * completion
1414 * with data PDU index.
1415 */
1416 #define CMD_INVALIDATED_NOTIFY 27 /* Command invalidation
1417 * completionnotifify.
1418 */
1419 #define UNSOL_HDR_NOTIFY 28 /* Unsolicited header notify.*/
1420 #define UNSOL_DATA_NOTIFY 29 /* Unsolicited data notify.*/
1421 #define UNSOL_DATA_DIGEST_ERROR_NOTIFY 30 /* Unsolicited data digest
1422 * error notify.
1423 */
1424 #define DRIVERMSG_NOTIFY 31 /* TCP acknowledge based
1425 * notification.
1426 */
1427 #define CXN_KILLED_CMND_DATA_NOT_ON_SAME_CONN 32 /* Connection got invalidated
1428 * internally due to command
1429 * and data are not on same
1430 * connection.
1431 */
1432 #define SOL_CMD_KILLED_DIF_ERR 33 /* Solicited command got
1433 * invalidated internally due
1434 * to DIF error
1435 */
1436 #define CXN_KILLED_SYN_RCVD 34 /* Connection got invalidated
1437 * internally due to incoming
1438 * TCP SYN
1439 */
1440 #define CXN_KILLED_IMM_DATA_RCVD 35 /* Connection got invalidated
1441 * internally due to an
1442 * incoming Unsolicited PDU
1443 * that has immediate data on
1444 * the cxn
1445 */
1446
1447 void be_wrb_hdr_prepare(struct be_mcc_wrb *wrb, int payload_len,
1448 bool embedded, u8 sge_cnt);
1449
1450 void be_cmd_hdr_prepare(struct be_cmd_req_hdr *req_hdr,
1451 u8 subsystem, u8 opcode, int cmd_len);
1452 #endif /* !BEISCSI_CMDS_H */
1453