xref: /openbmc/linux/drivers/scsi/be2iscsi/be_cmds.h (revision d0e22329)
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_HOST_DATA			93
234 #define OPCODE_COMMON_SET_FEATURES			191
235 
236 /**
237  * LIST of opcodes that are common between Initiator and Target
238  * used by CMD_SUBSYSTEM_ISCSI
239  * These opcodes are unique for each subsystem defined above
240  */
241 #define OPCODE_COMMON_ISCSI_CFG_POST_SGL_PAGES		2
242 #define OPCODE_COMMON_ISCSI_CFG_REMOVE_SGL_PAGES        3
243 #define OPCODE_COMMON_ISCSI_NTWK_GET_NIC_CONFIG		7
244 #define OPCODE_COMMON_ISCSI_NTWK_SET_VLAN		14
245 #define OPCODE_COMMON_ISCSI_NTWK_CONFIG_STATELESS_IP_ADDR	17
246 #define OPCODE_COMMON_ISCSI_NTWK_REL_STATELESS_IP_ADDR	18
247 #define OPCODE_COMMON_ISCSI_NTWK_MODIFY_IP_ADDR		21
248 #define OPCODE_COMMON_ISCSI_NTWK_GET_DEFAULT_GATEWAY	22
249 #define OPCODE_COMMON_ISCSI_NTWK_MODIFY_DEFAULT_GATEWAY 23
250 #define OPCODE_COMMON_ISCSI_NTWK_GET_ALL_IF_ID		24
251 #define OPCODE_COMMON_ISCSI_NTWK_GET_IF_INFO		25
252 #define OPCODE_COMMON_ISCSI_SET_FRAGNUM_BITS_FOR_SGL_CRA 61
253 #define OPCODE_COMMON_ISCSI_DEFQ_CREATE                 64
254 #define OPCODE_COMMON_ISCSI_DEFQ_DESTROY		65
255 #define OPCODE_COMMON_ISCSI_WRBQ_CREATE			66
256 #define OPCODE_COMMON_ISCSI_WRBQ_DESTROY		67
257 
258 struct be_cmd_req_hdr {
259 	u8 opcode;		/* dword 0 */
260 	u8 subsystem;		/* dword 0 */
261 	u8 port_number;		/* dword 0 */
262 	u8 domain;		/* dword 0 */
263 	u32 timeout;		/* dword 1 */
264 	u32 request_length;	/* dword 2 */
265 	u8 version;		/* dword 3 */
266 	u8 rsvd0[3];		/* dword 3 */
267 };
268 
269 struct be_cmd_resp_hdr {
270 	u32 info;		/* dword 0 */
271 	u32 status;		/* dword 1 */
272 	u32 response_length;	/* dword 2 */
273 	u32 actual_resp_len;	/* dword 3 */
274 };
275 
276 struct phys_addr {
277 	u32 lo;
278 	u32 hi;
279 };
280 
281 struct virt_addr {
282 	u32 lo;
283 	u32 hi;
284 };
285 /**************************
286  * BE Command definitions *
287  **************************/
288 
289 /**
290  * Pseudo amap definition in which each bit of the actual structure is defined
291  * as a byte - used to calculate offset/shift/mask of each field
292  */
293 struct amap_eq_context {
294 	u8 cidx[13];		/* dword 0 */
295 	u8 rsvd0[3];		/* dword 0 */
296 	u8 epidx[13];		/* dword 0 */
297 	u8 valid;		/* dword 0 */
298 	u8 rsvd1;		/* dword 0 */
299 	u8 size;		/* dword 0 */
300 	u8 pidx[13];		/* dword 1 */
301 	u8 rsvd2[3];		/* dword 1 */
302 	u8 pd[10];		/* dword 1 */
303 	u8 count[3];		/* dword 1 */
304 	u8 solevent;		/* dword 1 */
305 	u8 stalled;		/* dword 1 */
306 	u8 armed;		/* dword 1 */
307 	u8 rsvd3[4];		/* dword 2 */
308 	u8 func[8];		/* dword 2 */
309 	u8 rsvd4;		/* dword 2 */
310 	u8 delaymult[10];	/* dword 2 */
311 	u8 rsvd5[2];		/* dword 2 */
312 	u8 phase[2];		/* dword 2 */
313 	u8 nodelay;		/* dword 2 */
314 	u8 rsvd6[4];		/* dword 2 */
315 	u8 rsvd7[32];		/* dword 3 */
316 } __packed;
317 
318 struct be_cmd_req_eq_create {
319 	struct be_cmd_req_hdr hdr;	/* dw[4] */
320 	u16 num_pages;		/* sword */
321 	u16 rsvd0;		/* sword */
322 	u8 context[sizeof(struct amap_eq_context) / 8];	/* dw[4] */
323 	struct phys_addr pages[8];
324 } __packed;
325 
326 struct be_cmd_resp_eq_create {
327 	struct be_cmd_resp_hdr resp_hdr;
328 	u16 eq_id;		/* sword */
329 	u16 rsvd0;		/* sword */
330 } __packed;
331 
332 struct be_set_eqd {
333 	u32 eq_id;
334 	u32 phase;
335 	u32 delay_multiplier;
336 } __packed;
337 
338 struct mgmt_chap_format {
339 	u32 flags;
340 	u8  intr_chap_name[256];
341 	u8  intr_secret[16];
342 	u8  target_chap_name[256];
343 	u8  target_secret[16];
344 	u16 intr_chap_name_length;
345 	u16 intr_secret_length;
346 	u16 target_chap_name_length;
347 	u16 target_secret_length;
348 } __packed;
349 
350 struct mgmt_auth_method_format {
351 	u8	auth_method_type;
352 	u8	padding[3];
353 	struct	mgmt_chap_format chap;
354 } __packed;
355 
356 struct be_cmd_req_logout_fw_sess {
357 	struct be_cmd_req_hdr hdr;	/* dw[4] */
358 	uint32_t session_handle;
359 } __packed;
360 
361 struct be_cmd_resp_logout_fw_sess {
362 	struct be_cmd_resp_hdr hdr;	/* dw[4] */
363 	uint32_t session_status;
364 #define BE_SESS_STATUS_CLOSE		0x20
365 } __packed;
366 
367 struct mgmt_conn_login_options {
368 	u8 flags;
369 	u8 header_digest;
370 	u8 data_digest;
371 	u8 rsvd0;
372 	u32 max_recv_datasegment_len_ini;
373 	u32 max_recv_datasegment_len_tgt;
374 	u32 tcp_mss;
375 	u32 tcp_window_size;
376 	struct	mgmt_auth_method_format auth_data;
377 } __packed;
378 
379 struct ip_addr_format {
380 	u16 size_of_structure;
381 	u8 reserved;
382 	u8 ip_type;
383 #define BEISCSI_IP_TYPE_V4		0x1
384 #define BEISCSI_IP_TYPE_STATIC_V4	0x3
385 #define BEISCSI_IP_TYPE_DHCP_V4		0x5
386 /* type v4 values < type v6 values */
387 #define BEISCSI_IP_TYPE_V6		0x10
388 #define BEISCSI_IP_TYPE_ROUTABLE_V6	0x30
389 #define BEISCSI_IP_TYPE_LINK_LOCAL_V6	0x50
390 #define BEISCSI_IP_TYPE_AUTO_V6		0x90
391 	u8 addr[16];
392 	u32 rsvd0;
393 } __packed;
394 
395 struct mgmt_conn_info {
396 	u32	connection_handle;
397 	u32	connection_status;
398 	u16	src_port;
399 	u16	dest_port;
400 	u16	dest_port_redirected;
401 	u16	cid;
402 	u32	estimated_throughput;
403 	struct	ip_addr_format	src_ipaddr;
404 	struct	ip_addr_format	dest_ipaddr;
405 	struct	ip_addr_format	dest_ipaddr_redirected;
406 	struct	mgmt_conn_login_options	negotiated_login_options;
407 } __packed;
408 
409 struct mgmt_session_login_options {
410 	u8	flags;
411 	u8	error_recovery_level;
412 	u16	rsvd0;
413 	u32	first_burst_length;
414 	u32	max_burst_length;
415 	u16	max_connections;
416 	u16	max_outstanding_r2t;
417 	u16	default_time2wait;
418 	u16	default_time2retain;
419 } __packed;
420 
421 struct mgmt_session_info {
422 	u32	session_handle;
423 	u32	status;
424 	u8	isid[6];
425 	u16	tsih;
426 	u32	session_flags;
427 	u16	conn_count;
428 	u16	pad;
429 	u8	target_name[224];
430 	u8	initiator_iscsiname[224];
431 	struct	mgmt_session_login_options negotiated_login_options;
432 	struct	mgmt_conn_info	conn_list[1];
433 } __packed;
434 
435 struct be_cmd_get_session_req {
436 	struct be_cmd_req_hdr hdr;
437 	u32 session_handle;
438 } __packed;
439 
440 struct be_cmd_get_session_resp {
441 	struct be_cmd_resp_hdr hdr;
442 	struct mgmt_session_info session_info;
443 } __packed;
444 
445 struct mac_addr {
446 	u16 size_of_structure;
447 	u8 addr[ETH_ALEN];
448 } __packed;
449 
450 struct be_cmd_get_boot_target_req {
451 	struct be_cmd_req_hdr hdr;
452 } __packed;
453 
454 struct be_cmd_get_boot_target_resp {
455 	struct be_cmd_resp_hdr hdr;
456 	u32 boot_session_count;
457 	u32 boot_session_handle;
458 /**
459  * FW returns 0xffffffff if it couldn't establish connection with
460  * configured boot target.
461  */
462 #define BE_BOOT_INVALID_SHANDLE	0xffffffff
463 };
464 
465 struct be_cmd_reopen_session_req {
466 	struct be_cmd_req_hdr hdr;
467 #define BE_REOPEN_ALL_SESSIONS  0x00
468 #define BE_REOPEN_BOOT_SESSIONS 0x01
469 #define BE_REOPEN_A_SESSION     0x02
470 	u16 reopen_type;
471 	u16 rsvd;
472 	u32 session_handle;
473 } __packed;
474 
475 struct be_cmd_reopen_session_resp {
476 	struct be_cmd_resp_hdr hdr;
477 	u32 rsvd;
478 	u32 session_handle;
479 } __packed;
480 
481 
482 struct be_cmd_mac_query_req {
483 	struct be_cmd_req_hdr hdr;
484 	u8 type;
485 	u8 permanent;
486 	u16 if_id;
487 } __packed;
488 
489 struct be_cmd_get_mac_resp {
490 	struct be_cmd_resp_hdr hdr;
491 	struct mac_addr mac;
492 };
493 
494 struct be_ip_addr_subnet_format {
495 	u16 size_of_structure;
496 	u8 ip_type;
497 	u8 ipv6_prefix_length;
498 	u8 addr[16];
499 	u8 subnet_mask[16];
500 	u32 rsvd0;
501 } __packed;
502 
503 struct be_cmd_get_if_info_req {
504 	struct be_cmd_req_hdr hdr;
505 	u32 interface_hndl;
506 	u32 ip_type;
507 } __packed;
508 
509 struct be_cmd_get_if_info_resp {
510 	struct be_cmd_req_hdr hdr;
511 	u32 interface_hndl;
512 	u32 vlan_priority;
513 	u32 ip_addr_count;
514 	u32 dhcp_state;
515 	struct be_ip_addr_subnet_format ip_addr;
516 } __packed;
517 
518 struct be_ip_addr_record {
519 	u32 action;
520 	u32 interface_hndl;
521 	struct be_ip_addr_subnet_format ip_addr;
522 	u32 status;
523 } __packed;
524 
525 struct be_ip_addr_record_params {
526 	u32 record_entry_count;
527 	struct be_ip_addr_record ip_record;
528 } __packed;
529 
530 struct be_cmd_set_ip_addr_req {
531 	struct be_cmd_req_hdr hdr;
532 	struct be_ip_addr_record_params ip_params;
533 } __packed;
534 
535 
536 struct be_cmd_set_dhcp_req {
537 	struct be_cmd_req_hdr hdr;
538 	u32 interface_hndl;
539 	u32 ip_type;
540 	u32 flags;
541 	u32 retry_count;
542 } __packed;
543 
544 struct be_cmd_rel_dhcp_req {
545 	struct be_cmd_req_hdr hdr;
546 	u32 interface_hndl;
547 	u32 ip_type;
548 } __packed;
549 
550 struct be_cmd_set_def_gateway_req {
551 	struct be_cmd_req_hdr hdr;
552 	u32 action;
553 	struct ip_addr_format ip_addr;
554 } __packed;
555 
556 struct be_cmd_get_def_gateway_req {
557 	struct be_cmd_req_hdr hdr;
558 	u32 ip_type;
559 } __packed;
560 
561 struct be_cmd_get_def_gateway_resp {
562 	struct be_cmd_req_hdr hdr;
563 	struct ip_addr_format ip_addr;
564 } __packed;
565 
566 #define BEISCSI_VLAN_DISABLE	0xFFFF
567 struct be_cmd_set_vlan_req {
568 	struct be_cmd_req_hdr hdr;
569 	u32 interface_hndl;
570 	u32 vlan_priority;
571 } __packed;
572 /******************** Create CQ ***************************/
573 /**
574  * Pseudo amap definition in which each bit of the actual structure is defined
575  * as a byte - used to calculate offset/shift/mask of each field
576  */
577 struct amap_cq_context {
578 	u8 cidx[11];		/* dword 0 */
579 	u8 rsvd0;		/* dword 0 */
580 	u8 coalescwm[2];	/* dword 0 */
581 	u8 nodelay;		/* dword 0 */
582 	u8 epidx[11];		/* dword 0 */
583 	u8 rsvd1;		/* dword 0 */
584 	u8 count[2];		/* dword 0 */
585 	u8 valid;		/* dword 0 */
586 	u8 solevent;		/* dword 0 */
587 	u8 eventable;		/* dword 0 */
588 	u8 pidx[11];		/* dword 1 */
589 	u8 rsvd2;		/* dword 1 */
590 	u8 pd[10];		/* dword 1 */
591 	u8 eqid[8];		/* dword 1 */
592 	u8 stalled;		/* dword 1 */
593 	u8 armed;		/* dword 1 */
594 	u8 rsvd3[4];		/* dword 2 */
595 	u8 func[8];		/* dword 2 */
596 	u8 rsvd4[20];		/* dword 2 */
597 	u8 rsvd5[32];		/* dword 3 */
598 } __packed;
599 
600 struct amap_cq_context_v2 {
601 	u8 rsvd0[12];   /* dword 0 */
602 	u8 coalescwm[2];    /* dword 0 */
603 	u8 nodelay;     /* dword 0 */
604 	u8 rsvd1[12];   /* dword 0 */
605 	u8 count[2];    /* dword 0 */
606 	u8 valid;       /* dword 0 */
607 	u8 rsvd2;       /* dword 0 */
608 	u8 eventable;   /* dword 0 */
609 	u8 eqid[16];    /* dword 1 */
610 	u8 rsvd3[15];   /* dword 1 */
611 	u8 armed;       /* dword 1 */
612 	u8 cqecount[16];/* dword 2 */
613 	u8 rsvd4[16];   /* dword 2 */
614 	u8 rsvd5[32];   /* dword 3 */
615 };
616 
617 struct be_cmd_req_cq_create {
618 	struct be_cmd_req_hdr hdr;
619 	u16 num_pages;
620 	u8 page_size;
621 	u8 rsvd0;
622 	u8 context[sizeof(struct amap_cq_context) / 8];
623 	struct phys_addr pages[4];
624 } __packed;
625 
626 struct be_cmd_resp_cq_create {
627 	struct be_cmd_resp_hdr hdr;
628 	u16 cq_id;
629 	u16 rsvd0;
630 } __packed;
631 
632 /******************** Create MCCQ ***************************/
633 /**
634  * Pseudo amap definition in which each bit of the actual structure is defined
635  * as a byte - used to calculate offset/shift/mask of each field
636  */
637 struct amap_mcc_context {
638 	u8 con_index[14];
639 	u8 rsvd0[2];
640 	u8 ring_size[4];
641 	u8 fetch_wrb;
642 	u8 fetch_r2t;
643 	u8 cq_id[10];
644 	u8 prod_index[14];
645 	u8 fid[8];
646 	u8 pdid[9];
647 	u8 valid;
648 	u8 rsvd1[32];
649 	u8 rsvd2[32];
650 } __packed;
651 
652 struct be_cmd_req_mcc_create_ext {
653 	struct be_cmd_req_hdr hdr;
654 	u16 num_pages;
655 	u16 rsvd0;
656 	u32 async_evt_bitmap;
657 	u8 context[sizeof(struct amap_mcc_context) / 8];
658 	struct phys_addr pages[8];
659 } __packed;
660 
661 struct be_cmd_resp_mcc_create {
662 	struct be_cmd_resp_hdr hdr;
663 	u16 id;
664 	u16 rsvd0;
665 } __packed;
666 
667 /******************** Q Destroy  ***************************/
668 /* Type of Queue to be destroyed */
669 enum {
670 	QTYPE_EQ = 1,
671 	QTYPE_CQ,
672 	QTYPE_MCCQ,
673 	QTYPE_WRBQ,
674 	QTYPE_DPDUQ,
675 	QTYPE_SGL
676 };
677 
678 struct be_cmd_req_q_destroy {
679 	struct be_cmd_req_hdr hdr;
680 	u16 id;
681 	u16 bypass_flush;	/* valid only for rx q destroy */
682 } __packed;
683 
684 struct macaddr {
685 	u8 byte[ETH_ALEN];
686 };
687 
688 struct be_cmd_req_mcast_mac_config {
689 	struct be_cmd_req_hdr hdr;
690 	u16 num_mac;
691 	u8 promiscuous;
692 	u8 interface_id;
693 	struct macaddr mac[32];
694 } __packed;
695 
696 static inline void *embedded_payload(struct be_mcc_wrb *wrb)
697 {
698 	return wrb->payload.embedded_payload;
699 }
700 
701 static inline struct be_sge *nonembedded_sgl(struct be_mcc_wrb *wrb)
702 {
703 	return &wrb->payload.sgl[0];
704 }
705 
706 /******************** Modify EQ Delay *******************/
707 struct be_cmd_req_modify_eq_delay {
708 	struct be_cmd_req_hdr hdr;
709 	__le32 num_eq;
710 	struct {
711 		__le32 eq_id;
712 		__le32 phase;
713 		__le32 delay_multiplier;
714 	} delay[MAX_CPUS];
715 } __packed;
716 
717 /******************** Get MAC ADDR *******************/
718 
719 struct be_cmd_get_nic_conf_resp {
720 	struct be_cmd_resp_hdr hdr;
721 	u32 nic_port_count;
722 	u32 speed;
723 	u32 max_speed;
724 	u32 link_state;
725 	u32 max_frame_size;
726 	u16 size_of_structure;
727 	u8 mac_address[ETH_ALEN];
728 } __packed;
729 
730 /******************** Get HBA NAME *******************/
731 
732 struct be_cmd_hba_name {
733 	struct be_cmd_req_hdr hdr;
734 	u16 flags;
735 	u16 rsvd0;
736 	u8 initiator_name[ISCSI_NAME_LEN];
737 #define BE_INI_ALIAS_LEN 32
738 	u8 initiator_alias[BE_INI_ALIAS_LEN];
739 } __packed;
740 
741 /******************** COMMON SET HOST DATA *******************/
742 #define BE_CMD_SET_HOST_PARAM_ID	0x2
743 #define BE_CMD_MAX_DRV_VERSION		0x30
744 struct be_sethost_req {
745 	u32 param_id;
746 	u32 param_len;
747 	u32 param_data[32];
748 };
749 
750 struct be_sethost_resp {
751 	u32 rsvd0;
752 };
753 
754 struct be_cmd_set_host_data {
755 	union {
756 		struct be_cmd_req_hdr req_hdr;
757 		struct be_cmd_resp_hdr resp_hdr;
758 	} h;
759 	union {
760 		struct be_sethost_req req;
761 		struct be_sethost_resp resp;
762 	} param;
763 } __packed;
764 
765 /******************** COMMON SET Features *******************/
766 #define BE_CMD_SET_FEATURE_UER	0x10
767 #define BE_CMD_UER_SUPP_BIT	0x1
768 struct be_uer_req {
769 	u32 uer;
770 	u32 rsvd;
771 };
772 
773 struct be_uer_resp {
774 	u32 uer;
775 	u16 ue2rp;
776 	u16 ue2sr;
777 };
778 
779 struct be_cmd_set_features {
780 	union {
781 		struct be_cmd_req_hdr req_hdr;
782 		struct be_cmd_resp_hdr resp_hdr;
783 	} h;
784 	u32 feature;
785 	u32 param_len;
786 	union {
787 		struct be_uer_req req;
788 		struct be_uer_resp resp;
789 		u32 rsvd[2];
790 	} param;
791 } __packed;
792 
793 int beiscsi_cmd_function_reset(struct beiscsi_hba *phba);
794 
795 int beiscsi_cmd_special_wrb(struct be_ctrl_info *ctrl, u32 load);
796 
797 int beiscsi_check_fw_rdy(struct beiscsi_hba *phba);
798 
799 int beiscsi_init_sliport(struct beiscsi_hba *phba);
800 
801 int beiscsi_cmd_iscsi_cleanup(struct beiscsi_hba *phba, unsigned short ulp_num);
802 
803 int beiscsi_detect_ue(struct beiscsi_hba *phba);
804 
805 int beiscsi_detect_tpe(struct beiscsi_hba *phba);
806 
807 int beiscsi_cmd_eq_create(struct be_ctrl_info *ctrl,
808 			  struct be_queue_info *eq, int eq_delay);
809 
810 int beiscsi_cmd_cq_create(struct be_ctrl_info *ctrl,
811 			  struct be_queue_info *cq, struct be_queue_info *eq,
812 			  bool sol_evts, bool no_delay,
813 			  int num_cqe_dma_coalesce);
814 
815 int beiscsi_cmd_q_destroy(struct be_ctrl_info *ctrl, struct be_queue_info *q,
816 			  int type);
817 int beiscsi_cmd_mccq_create(struct beiscsi_hba *phba,
818 			struct be_queue_info *mccq,
819 			struct be_queue_info *cq);
820 
821 void free_mcc_wrb(struct be_ctrl_info *ctrl, unsigned int tag);
822 
823 int beiscsi_modify_eq_delay(struct beiscsi_hba *phba, struct be_set_eqd *,
824 			    int num);
825 int beiscsi_mccq_compl_wait(struct beiscsi_hba *phba,
826 			    unsigned int tag,
827 			    struct be_mcc_wrb **wrb,
828 			    struct be_dma_mem *mbx_cmd_mem);
829 int __beiscsi_mcc_compl_status(struct beiscsi_hba *phba,
830 			       unsigned int tag,
831 			       struct be_mcc_wrb **wrb,
832 			       struct be_dma_mem *mbx_cmd_mem);
833 struct be_mcc_wrb *wrb_from_mbox(struct be_dma_mem *mbox_mem);
834 void be_mcc_notify(struct beiscsi_hba *phba, unsigned int tag);
835 struct be_mcc_wrb *alloc_mcc_wrb(struct beiscsi_hba *phba,
836 				 unsigned int *ref_tag);
837 void beiscsi_process_async_event(struct beiscsi_hba *phba,
838 				struct be_mcc_compl *compl);
839 int beiscsi_process_mcc_compl(struct be_ctrl_info *ctrl,
840 			      struct be_mcc_compl *compl);
841 
842 int be_cmd_create_default_pdu_queue(struct be_ctrl_info *ctrl,
843 				    struct be_queue_info *cq,
844 				    struct be_queue_info *dq, int length,
845 				    int entry_size, uint8_t is_header,
846 				    uint8_t ulp_num);
847 
848 int be_cmd_iscsi_post_template_hdr(struct be_ctrl_info *ctrl,
849 				    struct be_dma_mem *q_mem);
850 
851 int be_cmd_iscsi_remove_template_hdr(struct be_ctrl_info *ctrl);
852 
853 int be_cmd_iscsi_post_sgl_pages(struct be_ctrl_info *ctrl,
854 				struct be_dma_mem *q_mem, u32 page_offset,
855 				u32 num_pages);
856 
857 int be_cmd_wrbq_create(struct be_ctrl_info *ctrl, struct be_dma_mem *q_mem,
858 		       struct be_queue_info *wrbq,
859 		       struct hwi_wrb_context *pwrb_context,
860 		       uint8_t ulp_num);
861 
862 /* Configuration Functions */
863 int be_cmd_set_vlan(struct beiscsi_hba *phba, uint16_t vlan_tag);
864 
865 int beiscsi_check_supported_fw(struct be_ctrl_info *ctrl,
866 			       struct beiscsi_hba *phba);
867 
868 int beiscsi_get_fw_config(struct be_ctrl_info *ctrl, struct beiscsi_hba *phba);
869 
870 int beiscsi_get_port_name(struct be_ctrl_info *ctrl, struct beiscsi_hba *phba);
871 
872 int beiscsi_set_uer_feature(struct beiscsi_hba *phba);
873 int beiscsi_set_host_data(struct beiscsi_hba *phba);
874 
875 struct be_default_pdu_context {
876 	u32 dw[4];
877 } __packed;
878 
879 struct amap_be_default_pdu_context {
880 	u8 dbuf_cindex[13];	/* dword 0 */
881 	u8 rsvd0[3];		/* dword 0 */
882 	u8 ring_size[4];	/* dword 0 */
883 	u8 ring_state[4];	/* dword 0 */
884 	u8 rsvd1[8];		/* dword 0 */
885 	u8 dbuf_pindex[13];	/* dword 1 */
886 	u8 rsvd2;		/* dword 1 */
887 	u8 pci_func_id[8];	/* dword 1 */
888 	u8 rx_pdid[9];		/* dword 1 */
889 	u8 rx_pdid_valid;	/* dword 1 */
890 	u8 default_buffer_size[16];	/* dword 2 */
891 	u8 cq_id_recv[10];	/* dword 2 */
892 	u8 rx_pdid_not_valid;	/* dword 2 */
893 	u8 rsvd3[5];		/* dword 2 */
894 	u8 rsvd4[32];		/* dword 3 */
895 } __packed;
896 
897 struct amap_default_pdu_context_ext {
898 	u8 rsvd0[16];   /* dword 0 */
899 	u8 ring_size[4];    /* dword 0 */
900 	u8 rsvd1[12];   /* dword 0 */
901 	u8 rsvd2[22];   /* dword 1 */
902 	u8 rx_pdid[9];  /* dword 1 */
903 	u8 rx_pdid_valid;   /* dword 1 */
904 	u8 default_buffer_size[16]; /* dword 2 */
905 	u8 cq_id_recv[16];  /* dword 2 */
906 	u8 rsvd3[32];   /* dword 3 */
907 } __packed;
908 
909 struct be_defq_create_req {
910 	struct be_cmd_req_hdr hdr;
911 	u16 num_pages;
912 	u8 ulp_num;
913 #define BEISCSI_DUAL_ULP_AWARE_BIT	0	/* Byte 3 - Bit 0 */
914 #define BEISCSI_BIND_Q_TO_ULP_BIT	1	/* Byte 3 - Bit 1 */
915 	u8 dua_feature;
916 	struct be_default_pdu_context context;
917 	struct phys_addr pages[8];
918 } __packed;
919 
920 struct be_defq_create_resp {
921 	struct be_cmd_req_hdr hdr;
922 	u16 id;
923 	u8 rsvd0;
924 	u8 ulp_num;
925 	u32 doorbell_offset;
926 	u16 register_set;
927 	u16 doorbell_format;
928 } __packed;
929 
930 struct be_post_template_pages_req {
931 	struct be_cmd_req_hdr hdr;
932 	u16 num_pages;
933 #define BEISCSI_TEMPLATE_HDR_TYPE_ISCSI	0x1
934 	u16 type;
935 	struct phys_addr scratch_pa;
936 	struct virt_addr scratch_va;
937 	struct virt_addr pages_va;
938 	struct phys_addr pages[16];
939 } __packed;
940 
941 struct be_remove_template_pages_req {
942 	struct be_cmd_req_hdr hdr;
943 	u16 type;
944 	u16 rsvd0;
945 } __packed;
946 
947 struct be_post_sgl_pages_req {
948 	struct be_cmd_req_hdr hdr;
949 	u16 num_pages;
950 	u16 page_offset;
951 	u32 rsvd0;
952 	struct phys_addr pages[26];
953 	u32 rsvd1;
954 } __packed;
955 
956 struct be_wrbq_create_req {
957 	struct be_cmd_req_hdr hdr;
958 	u16 num_pages;
959 	u8 ulp_num;
960 	u8 dua_feature;
961 	struct phys_addr pages[8];
962 } __packed;
963 
964 struct be_wrbq_create_resp {
965 	struct be_cmd_resp_hdr resp_hdr;
966 	u16 cid;
967 	u8 rsvd0;
968 	u8 ulp_num;
969 	u32 doorbell_offset;
970 	u16 register_set;
971 	u16 doorbell_format;
972 } __packed;
973 
974 #define SOL_CID_MASK		0x0000FFC0
975 #define SOL_CODE_MASK		0x0000003F
976 #define SOL_WRB_INDEX_MASK	0x00FF0000
977 #define SOL_CMD_WND_MASK	0xFF000000
978 #define SOL_RES_CNT_MASK	0x7FFFFFFF
979 #define SOL_EXP_CMD_SN_MASK	0xFFFFFFFF
980 #define SOL_HW_STS_MASK		0x000000FF
981 #define SOL_STS_MASK		0x0000FF00
982 #define SOL_RESP_MASK		0x00FF0000
983 #define SOL_FLAGS_MASK		0x7F000000
984 #define SOL_S_MASK		0x80000000
985 
986 struct sol_cqe {
987 	u32 dw[4];
988 };
989 
990 struct amap_sol_cqe {
991 	u8 hw_sts[8];		/* dword 0 */
992 	u8 i_sts[8];		/* dword 0 */
993 	u8 i_resp[8];		/* dword 0 */
994 	u8 i_flags[7];		/* dword 0 */
995 	u8 s;			/* dword 0 */
996 	u8 i_exp_cmd_sn[32];	/* dword 1 */
997 	u8 code[6];		/* dword 2 */
998 	u8 cid[10];		/* dword 2 */
999 	u8 wrb_index[8];	/* dword 2 */
1000 	u8 i_cmd_wnd[8];	/* dword 2 */
1001 	u8 i_res_cnt[31];	/* dword 3 */
1002 	u8 valid;		/* dword 3 */
1003 } __packed;
1004 
1005 #define SOL_ICD_INDEX_MASK	0x0003FFC0
1006 struct amap_sol_cqe_ring {
1007 	u8 hw_sts[8];		/* dword 0 */
1008 	u8 i_sts[8];		/* dword 0 */
1009 	u8 i_resp[8];		/* dword 0 */
1010 	u8 i_flags[7];		/* dword 0 */
1011 	u8 s;			/* dword 0 */
1012 	u8 i_exp_cmd_sn[32];	/* dword 1 */
1013 	u8 code[6];		/* dword 2 */
1014 	u8 icd_index[12];	/* dword 2 */
1015 	u8 rsvd[6];		/* dword 2 */
1016 	u8 i_cmd_wnd[8];	/* dword 2 */
1017 	u8 i_res_cnt[31];	/* dword 3 */
1018 	u8 valid;		/* dword 3 */
1019 } __packed;
1020 
1021 struct amap_sol_cqe_v2 {
1022 	u8 hw_sts[8];   /* dword 0 */
1023 	u8 i_sts[8];    /* dword 0 */
1024 	u8 wrb_index[16];   /* dword 0 */
1025 	u8 i_exp_cmd_sn[32];    /* dword 1 */
1026 	u8 code[6]; /* dword 2 */
1027 	u8 cmd_cmpl;    /* dword 2 */
1028 	u8 rsvd0;   /* dword 2 */
1029 	u8 i_cmd_wnd[8];    /* dword 2 */
1030 	u8 cid[13]; /* dword 2 */
1031 	u8 u;   /* dword 2 */
1032 	u8 o;   /* dword 2 */
1033 	u8 s;   /* dword 2 */
1034 	u8 i_res_cnt[31];   /* dword 3 */
1035 	u8 valid;   /* dword 3 */
1036 } __packed;
1037 
1038 struct common_sol_cqe {
1039 	u32 exp_cmdsn;
1040 	u32 res_cnt;
1041 	u16 wrb_index;
1042 	u16 cid;
1043 	u8 hw_sts;
1044 	u8 cmd_wnd;
1045 	u8 res_flag; /* the s feild of structure */
1046 	u8 i_resp; /* for skh if cmd_complete is set then i_sts is response */
1047 	u8 i_flags; /* for skh or the u and o feilds */
1048 	u8 i_sts; /* for skh if cmd_complete is not-set then i_sts is status */
1049 };
1050 
1051 /*** iSCSI ack/driver message completions ***/
1052 struct amap_it_dmsg_cqe {
1053 	u8 ack_num[32]; /* DWORD 0 */
1054 	u8 pdu_bytes_rcvd[32];  /* DWORD 1 */
1055 	u8 code[6]; /* DWORD 2 */
1056 	u8 cid[10]; /* DWORD 2 */
1057 	u8 wrb_idx[8];  /* DWORD 2 */
1058 	u8 rsvd0[8];    /* DWORD 2*/
1059 	u8 rsvd1[31];   /* DWORD 3*/
1060 	u8 valid;   /* DWORD 3 */
1061 } __packed;
1062 
1063 struct amap_it_dmsg_cqe_v2 {
1064 	u8 ack_num[32]; /* DWORD 0 */
1065 	u8 pdu_bytes_rcvd[32];  /* DWORD 1 */
1066 	u8 code[6]; /* DWORD 2 */
1067 	u8 rsvd0[10];   /* DWORD 2 */
1068 	u8 wrb_idx[16]; /* DWORD 2 */
1069 	u8 rsvd1[16];   /* DWORD 3 */
1070 	u8 cid[13]; /* DWORD 3 */
1071 	u8 rsvd2[2];    /* DWORD 3 */
1072 	u8 valid;   /* DWORD 3 */
1073 } __packed;
1074 
1075 
1076 /**
1077  * Post WRB Queue Doorbell Register used by the host Storage
1078  * stack to notify the
1079  * controller of a posted Work Request Block
1080  */
1081 #define DB_WRB_POST_CID_MASK		0xFFFF	/* bits 0 - 16 */
1082 #define DB_DEF_PDU_WRB_INDEX_MASK	0xFF	/* bits 0 - 9 */
1083 
1084 #define DB_DEF_PDU_WRB_INDEX_SHIFT	16
1085 #define DB_DEF_PDU_NUM_POSTED_SHIFT	24
1086 
1087 struct fragnum_bits_for_sgl_cra_in {
1088 	struct be_cmd_req_hdr hdr;
1089 	u32 num_bits;
1090 } __packed;
1091 
1092 struct iscsi_cleanup_req {
1093 	struct be_cmd_req_hdr hdr;
1094 	u16 chute;
1095 	u8 hdr_ring_id;
1096 	u8 data_ring_id;
1097 } __packed;
1098 
1099 struct iscsi_cleanup_req_v1 {
1100 	struct be_cmd_req_hdr hdr;
1101 	u16 chute;
1102 	u16 rsvd1;
1103 	u16 hdr_ring_id;
1104 	u16 rsvd2;
1105 	u16 data_ring_id;
1106 	u16 rsvd3;
1107 } __packed;
1108 
1109 struct eq_delay {
1110 	u32 eq_id;
1111 	u32 phase;
1112 	u32 delay_multiplier;
1113 } __packed;
1114 
1115 struct be_eq_delay_params_in {
1116 	struct be_cmd_req_hdr hdr;
1117 	u32 num_eq;
1118 	struct eq_delay delay[8];
1119 } __packed;
1120 
1121 struct tcp_connect_and_offload_in {
1122 	struct be_cmd_req_hdr hdr;
1123 	struct ip_addr_format ip_address;
1124 	u16 tcp_port;
1125 	u16 cid;
1126 	u16 cq_id;
1127 	u16 defq_id;
1128 	struct phys_addr dataout_template_pa;
1129 	u16 hdr_ring_id;
1130 	u16 data_ring_id;
1131 	u8 do_offload;
1132 	u8 rsvd0[3];
1133 } __packed;
1134 
1135 struct tcp_connect_and_offload_in_v1 {
1136 	struct be_cmd_req_hdr hdr;
1137 	struct ip_addr_format ip_address;
1138 	u16 tcp_port;
1139 	u16 cid;
1140 	u16 cq_id;
1141 	u16 defq_id;
1142 	struct phys_addr dataout_template_pa;
1143 	u16 hdr_ring_id;
1144 	u16 data_ring_id;
1145 	u8 do_offload;
1146 	u8 ifd_state;
1147 	u8 rsvd0[2];
1148 	u16 tcp_window_size;
1149 	u8 tcp_window_scale_count;
1150 	u8 rsvd1;
1151 	u32 tcp_mss:24;
1152 	u8 rsvd2;
1153 } __packed;
1154 
1155 struct tcp_connect_and_offload_out {
1156 	struct be_cmd_resp_hdr hdr;
1157 	u32 connection_handle;
1158 	u16 cid;
1159 	u16 rsvd0;
1160 
1161 } __packed;
1162 
1163 #define DB_DEF_PDU_RING_ID_MASK	0x3FFF	/* bits 0 - 13 */
1164 #define DB_DEF_PDU_CQPROC_MASK		0x3FFF	/* bits 16 - 29 */
1165 #define DB_DEF_PDU_REARM_SHIFT		14
1166 #define DB_DEF_PDU_EVENT_SHIFT		15
1167 #define DB_DEF_PDU_CQPROC_SHIFT		16
1168 
1169 struct be_invalidate_connection_params_in {
1170 	struct be_cmd_req_hdr hdr;
1171 	u32 session_handle;
1172 	u16 cid;
1173 	u16 unused;
1174 #define BE_CLEANUP_TYPE_INVALIDATE	0x8001
1175 #define BE_CLEANUP_TYPE_ISSUE_TCP_RST	0x8002
1176 	u16 cleanup_type;
1177 	u16 save_cfg;
1178 } __packed;
1179 
1180 struct be_invalidate_connection_params_out {
1181 	u32 session_handle;
1182 	u16 cid;
1183 	u16 unused;
1184 } __packed;
1185 
1186 union be_invalidate_connection_params {
1187 	struct be_invalidate_connection_params_in req;
1188 	struct be_invalidate_connection_params_out resp;
1189 } __packed;
1190 
1191 struct be_tcp_upload_params_in {
1192 	struct be_cmd_req_hdr hdr;
1193 	u16 id;
1194 #define BE_UPLOAD_TYPE_GRACEFUL		1
1195 /* abortive upload with reset */
1196 #define BE_UPLOAD_TYPE_ABORT_RESET	2
1197 /* abortive upload without reset */
1198 #define BE_UPLOAD_TYPE_ABORT		3
1199 /* abortive upload with reset, sequence number by driver */
1200 #define BE_UPLOAD_TYPE_ABORT_WITH_SEQ	4
1201 	u16 upload_type;
1202 	u32 reset_seq;
1203 } __packed;
1204 
1205 struct be_tcp_upload_params_out {
1206 	u32 dw[32];
1207 } __packed;
1208 
1209 union be_tcp_upload_params {
1210 	struct be_tcp_upload_params_in request;
1211 	struct be_tcp_upload_params_out response;
1212 } __packed;
1213 
1214 struct be_ulp_fw_cfg {
1215 #define BEISCSI_ULP_ISCSI_INI_MODE	0x10
1216 	u32 ulp_mode;
1217 	u32 etx_base;
1218 	u32 etx_count;
1219 	u32 sq_base;
1220 	u32 sq_count;
1221 	u32 rq_base;
1222 	u32 rq_count;
1223 	u32 dq_base;
1224 	u32 dq_count;
1225 	u32 lro_base;
1226 	u32 lro_count;
1227 	u32 icd_base;
1228 	u32 icd_count;
1229 };
1230 
1231 struct be_ulp_chain_icd {
1232 	u32 chain_base;
1233 	u32 chain_count;
1234 };
1235 
1236 struct be_fw_cfg {
1237 	struct be_cmd_req_hdr hdr;
1238 	u32 be_config_number;
1239 	u32 asic_revision;
1240 	u32 phys_port;
1241 #define BEISCSI_FUNC_ISCSI_INI_MODE	0x10
1242 #define BEISCSI_FUNC_DUA_MODE	0x800
1243 	u32 function_mode;
1244 	struct be_ulp_fw_cfg ulp[2];
1245 	u32 function_caps;
1246 	u32 cqid_base;
1247 	u32 cqid_count;
1248 	u32 eqid_base;
1249 	u32 eqid_count;
1250 	struct be_ulp_chain_icd chain_icd[2];
1251 } __packed;
1252 
1253 struct be_cmd_get_all_if_id_req {
1254 	struct be_cmd_req_hdr hdr;
1255 	u32 if_count;
1256 	u32 if_hndl_list[1];
1257 } __packed;
1258 
1259 struct be_cmd_get_port_name {
1260 	union {
1261 		struct be_cmd_req_hdr req_hdr;
1262 		struct be_cmd_resp_hdr resp_hdr;
1263 	} h;
1264 	union {
1265 		struct {
1266 			u32 reserved;
1267 		} req;
1268 		struct {
1269 			u32 port_names;
1270 		} resp;
1271 	} p;
1272 } __packed;
1273 
1274 #define ISCSI_OPCODE_SCSI_DATA_OUT		5
1275 #define OPCODE_COMMON_NTWK_LINK_STATUS_QUERY 5
1276 #define OPCODE_COMMON_MODIFY_EQ_DELAY		41
1277 #define OPCODE_COMMON_ISCSI_CLEANUP		59
1278 #define	OPCODE_COMMON_TCP_UPLOAD		56
1279 #define OPCODE_COMMON_ISCSI_TCP_CONNECT_AND_OFFLOAD 70
1280 #define OPCODE_COMMON_ISCSI_ERROR_RECOVERY_INVALIDATE_COMMANDS 1
1281 #define OPCODE_ISCSI_INI_CFG_GET_HBA_NAME	6
1282 #define OPCODE_ISCSI_INI_CFG_SET_HBA_NAME	7
1283 #define OPCODE_ISCSI_INI_SESSION_GET_A_SESSION  14
1284 #define OPCODE_ISCSI_INI_SESSION_LOGOUT_TARGET	 24
1285 #define OPCODE_ISCSI_INI_DRIVER_REOPEN_ALL_SESSIONS 36
1286 #define OPCODE_ISCSI_INI_DRIVER_OFFLOAD_SESSION 41
1287 #define OPCODE_ISCSI_INI_DRIVER_INVALIDATE_CONNECTION 42
1288 #define OPCODE_ISCSI_INI_BOOT_GET_BOOT_TARGET	52
1289 #define OPCODE_COMMON_WRITE_FLASH		96
1290 #define OPCODE_COMMON_READ_FLASH		97
1291 
1292 #define CMD_ISCSI_COMMAND_INVALIDATE		1
1293 
1294 #define INI_WR_CMD			1	/* Initiator write command */
1295 #define INI_TMF_CMD			2	/* Initiator TMF command */
1296 #define INI_NOPOUT_CMD			3	/* Initiator; Send a NOP-OUT */
1297 #define INI_RD_CMD			5	/* Initiator requesting to send
1298 						 * a read command
1299 						 */
1300 #define TGT_CTX_UPDT_CMD		7	/* Target context update */
1301 #define TGT_DM_CMD			11	/* Indicates that the bhs
1302 						 * prepared by driver should not
1303 						 * be touched.
1304 						 */
1305 
1306 /* Returns the number of items in the field array. */
1307 #define BE_NUMBER_OF_FIELD(_type_, _field_)	\
1308 	(FIELD_SIZEOF(_type_, _field_)/sizeof((((_type_ *)0)->_field_[0])))\
1309 
1310 /**
1311  * Different types of iSCSI completions to host driver for both initiator
1312  * and taget mode
1313  * of operation.
1314  */
1315 #define SOL_CMD_COMPLETE		1	/* Solicited command completed
1316 						 * normally
1317 						 */
1318 #define SOL_CMD_KILLED_DATA_DIGEST_ERR  2	/* Solicited command got
1319 						 * invalidated internally due
1320 						 * to Data Digest error
1321 						 */
1322 #define CXN_KILLED_PDU_SIZE_EXCEEDS_DSL 3	/* Connection got invalidated
1323 						 * internally
1324 						 * due to a received PDU
1325 						 * size > DSL
1326 						 */
1327 #define CXN_KILLED_BURST_LEN_MISMATCH   4	/* Connection got invalidated
1328 						 * internally due ti received
1329 						 * PDU sequence size >
1330 						 * FBL/MBL.
1331 						 */
1332 #define CXN_KILLED_AHS_RCVD		5	/* Connection got invalidated
1333 						 * internally due to a received
1334 						 * PDU Hdr that has
1335 						 * AHS */
1336 #define CXN_KILLED_HDR_DIGEST_ERR	6	/* Connection got invalidated
1337 						 * internally due to Hdr Digest
1338 						 * error
1339 						 */
1340 #define CXN_KILLED_UNKNOWN_HDR		7	/* Connection got invalidated
1341 						 *  internally
1342 						 * due to a bad opcode in the
1343 						 * pdu hdr
1344 						 */
1345 #define CXN_KILLED_STALE_ITT_TTT_RCVD	8	/* Connection got invalidated
1346 						 * internally due to a received
1347 						 * ITT/TTT that does not belong
1348 						 * to this Connection
1349 						 */
1350 #define CXN_KILLED_INVALID_ITT_TTT_RCVD 9	/* Connection got invalidated
1351 						 * internally due to received
1352 						 * ITT/TTT value > Max
1353 						 * Supported ITTs/TTTs
1354 						 */
1355 #define CXN_KILLED_RST_RCVD		10	/* Connection got invalidated
1356 						 * internally due to an
1357 						 * incoming TCP RST
1358 						 */
1359 #define CXN_KILLED_TIMED_OUT		11	/* Connection got invalidated
1360 						 * internally due to timeout on
1361 						 * tcp segment 12 retransmit
1362 						 * attempts failed
1363 						 */
1364 #define CXN_KILLED_RST_SENT		12	/* Connection got invalidated
1365 						 * internally due to TCP RST
1366 						 * sent by the Tx side
1367 						 */
1368 #define CXN_KILLED_FIN_RCVD		13	/* Connection got invalidated
1369 						 * internally due to an
1370 						 * incoming TCP FIN.
1371 						 */
1372 #define CXN_KILLED_BAD_UNSOL_PDU_RCVD	14	/* Connection got invalidated
1373 						 * internally due to bad
1374 						 * unsolicited PDU Unsolicited
1375 						 * PDUs are PDUs with
1376 						 * ITT=0xffffffff
1377 						 */
1378 #define CXN_KILLED_BAD_WRB_INDEX_ERROR	15	/* Connection got invalidated
1379 						 * internally due to bad WRB
1380 						 * index.
1381 						 */
1382 #define CXN_KILLED_OVER_RUN_RESIDUAL	16	/* Command got invalidated
1383 						 * internally due to received
1384 						 * command has residual
1385 						 * over run bytes.
1386 						 */
1387 #define CXN_KILLED_UNDER_RUN_RESIDUAL	17	/* Command got invalidated
1388 						 * internally due to received
1389 						 * command has residual under
1390 						 * run bytes.
1391 						 */
1392 #define CMD_KILLED_INVALID_STATSN_RCVD	18	/* Command got invalidated
1393 						 * internally due to a received
1394 						 * PDU has an invalid StatusSN
1395 						 */
1396 #define CMD_KILLED_INVALID_R2T_RCVD	19	/* Command got invalidated
1397 						 * internally due to a received
1398 						 * an R2T with some invalid
1399 						 * fields in it
1400 						 */
1401 #define CMD_CXN_KILLED_LUN_INVALID	20	/* Command got invalidated
1402 						 * internally due to received
1403 						 * PDU has an invalid LUN.
1404 						 */
1405 #define CMD_CXN_KILLED_ICD_INVALID	21	/* Command got invalidated
1406 						 * internally due to the
1407 						 * corresponding ICD not in a
1408 						 * valid state
1409 						 */
1410 #define CMD_CXN_KILLED_ITT_INVALID	22	/* Command got invalidated due
1411 						 *  to received PDU has an
1412 						 *  invalid ITT.
1413 						 */
1414 #define CMD_CXN_KILLED_SEQ_OUTOFORDER	23	/* Command got invalidated due
1415 						 * to received sequence buffer
1416 						 * offset is out of order.
1417 						 */
1418 #define CMD_CXN_KILLED_INVALID_DATASN_RCVD 24	/* Command got invalidated
1419 						 * internally due to a
1420 						 * received PDU has an invalid
1421 						 * DataSN
1422 						 */
1423 #define CXN_INVALIDATE_NOTIFY		25	/* Connection invalidation
1424 						 * completion notify.
1425 						 */
1426 #define CXN_INVALIDATE_INDEX_NOTIFY	26	/* Connection invalidation
1427 						 * completion
1428 						 * with data PDU index.
1429 						 */
1430 #define CMD_INVALIDATED_NOTIFY		27	/* Command invalidation
1431 						 * completionnotifify.
1432 						 */
1433 #define UNSOL_HDR_NOTIFY		28	/* Unsolicited header notify.*/
1434 #define UNSOL_DATA_NOTIFY		29	/* Unsolicited data notify.*/
1435 #define UNSOL_DATA_DIGEST_ERROR_NOTIFY	30	/* Unsolicited data digest
1436 						 * error notify.
1437 						 */
1438 #define DRIVERMSG_NOTIFY		31	/* TCP acknowledge based
1439 						 * notification.
1440 						 */
1441 #define CXN_KILLED_CMND_DATA_NOT_ON_SAME_CONN 32 /* Connection got invalidated
1442 						  * internally due to command
1443 						  * and data are not on same
1444 						  * connection.
1445 						  */
1446 #define SOL_CMD_KILLED_DIF_ERR		33	/* Solicited command got
1447 						 *  invalidated internally due
1448 						 *  to DIF error
1449 						 */
1450 #define CXN_KILLED_SYN_RCVD		34	/* Connection got invalidated
1451 						 * internally due to incoming
1452 						 * TCP SYN
1453 						 */
1454 #define CXN_KILLED_IMM_DATA_RCVD	35	/* Connection got invalidated
1455 						 * internally due to an
1456 						 * incoming Unsolicited PDU
1457 						 * that has immediate data on
1458 						 * the cxn
1459 						 */
1460 
1461 void be_wrb_hdr_prepare(struct be_mcc_wrb *wrb, u32 payload_len,
1462 			bool embedded, u8 sge_cnt);
1463 
1464 void be_cmd_hdr_prepare(struct be_cmd_req_hdr *req_hdr,
1465 			u8 subsystem, u8 opcode, u32 cmd_len);
1466 #endif /* !BEISCSI_CMDS_H */
1467