2 * Copyright (c) 2005-2010 Brocade Communications Systems, Inc.
6 * Linux driver for Brocade Fibre Channel Host Bus Adapter.
8 * This program is free software; you can redistribute it and/or modify it
9 * under the terms of the GNU General Public License (GPL) Version 2 as
10 * published by the Free Software Foundation
12 * This program is distributed in the hope that it will be useful, but
13 * WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * General Public License for more details.
23 #include "bfa_defs_svc.h"
27 enum bfi_iocfc_h2i_msgs {
28 BFI_IOCFC_H2I_CFG_REQ = 1,
29 BFI_IOCFC_H2I_SET_INTR_REQ = 2,
30 BFI_IOCFC_H2I_UPDATEQ_REQ = 3,
33 enum bfi_iocfc_i2h_msgs {
34 BFI_IOCFC_I2H_CFG_REPLY = BFA_I2HM(1),
35 BFI_IOCFC_I2H_UPDATEQ_RSP = BFA_I2HM(3),
38 struct bfi_iocfc_cfg_s {
39 u8 num_cqs; /* Number of CQs to be used */
40 u8 sense_buf_len; /* SCSI sense length */
42 u32 endian_sig; /* endian signature of host */
45 * Request and response circular queue base addresses, size and
46 * shadow index pointers.
48 union bfi_addr_u req_cq_ba[BFI_IOC_MAX_CQS];
49 union bfi_addr_u req_shadow_ci[BFI_IOC_MAX_CQS];
50 __be16 req_cq_elems[BFI_IOC_MAX_CQS];
51 union bfi_addr_u rsp_cq_ba[BFI_IOC_MAX_CQS];
52 union bfi_addr_u rsp_shadow_pi[BFI_IOC_MAX_CQS];
53 __be16 rsp_cq_elems[BFI_IOC_MAX_CQS];
55 union bfi_addr_u stats_addr; /* DMA-able address for stats */
56 union bfi_addr_u cfgrsp_addr; /* config response dma address */
57 union bfi_addr_u ioim_snsbase; /* IO sense buffer base address */
58 struct bfa_iocfc_intr_attr_s intr_attr; /* IOC interrupt attributes */
62 * Boot target wwn information for this port. This contains either the stored
63 * or discovered boot target port wwns for the port.
65 struct bfi_iocfc_bootwwns {
66 wwn_t wwn[BFA_BOOT_BOOTLUN_MAX];
71 struct bfi_iocfc_cfgrsp_s {
72 struct bfa_iocfc_fwcfg_s fwcfg;
73 struct bfa_iocfc_intr_attr_s intr_attr;
74 struct bfi_iocfc_bootwwns bootwwns;
75 struct bfi_pbc_s pbc_cfg;
79 * BFI_IOCFC_H2I_CFG_REQ message
81 struct bfi_iocfc_cfg_req_s {
83 union bfi_addr_u ioc_cfg_dma_addr;
88 * BFI_IOCFC_I2H_CFG_REPLY message
90 struct bfi_iocfc_cfg_reply_s {
91 struct bfi_mhdr_s mh; /* Common msg header */
92 u8 cfg_success; /* cfg reply status */
93 u8 lpu_bm; /* LPUs assigned for this IOC */
99 * BFI_IOCFC_H2I_SET_INTR_REQ message
101 struct bfi_iocfc_set_intr_req_s {
102 struct bfi_mhdr_s mh; /* common msg header */
103 u8 coalesce; /* enable intr coalescing */
105 __be16 delay; /* delay timer 0..1125us */
106 __be16 latency; /* latency timer 0..225us */
111 * BFI_IOCFC_H2I_UPDATEQ_REQ message
113 struct bfi_iocfc_updateq_req_s {
114 struct bfi_mhdr_s mh; /* common msg header */
115 u32 reqq_ba; /* reqq base addr */
116 u32 rspq_ba; /* rspq base addr */
117 u32 reqq_sci; /* reqq shadow ci */
118 u32 rspq_spi; /* rspq shadow pi */
123 * BFI_IOCFC_I2H_UPDATEQ_RSP message
125 struct bfi_iocfc_updateq_rsp_s {
126 struct bfi_mhdr_s mh; /* common msg header */
127 u8 status; /* updateq status */
135 union bfi_iocfc_h2i_msg_u {
136 struct bfi_mhdr_s mh;
137 struct bfi_iocfc_cfg_req_s cfg_req;
138 struct bfi_iocfc_updateq_req_s updateq_req;
139 u32 mboxmsg[BFI_IOC_MSGSZ];
146 union bfi_iocfc_i2h_msg_u {
147 struct bfi_mhdr_s mh;
148 struct bfi_iocfc_cfg_reply_s cfg_reply;
149 struct bfi_iocfc_updateq_rsp_s updateq_rsp;
150 u32 mboxmsg[BFI_IOC_MSGSZ];
154 enum bfi_fcport_h2i {
155 BFI_FCPORT_H2I_ENABLE_REQ = (1),
156 BFI_FCPORT_H2I_DISABLE_REQ = (2),
157 BFI_FCPORT_H2I_SET_SVC_PARAMS_REQ = (3),
158 BFI_FCPORT_H2I_STATS_GET_REQ = (4),
159 BFI_FCPORT_H2I_STATS_CLEAR_REQ = (5),
163 enum bfi_fcport_i2h {
164 BFI_FCPORT_I2H_ENABLE_RSP = BFA_I2HM(1),
165 BFI_FCPORT_I2H_DISABLE_RSP = BFA_I2HM(2),
166 BFI_FCPORT_I2H_SET_SVC_PARAMS_RSP = BFA_I2HM(3),
167 BFI_FCPORT_I2H_STATS_GET_RSP = BFA_I2HM(4),
168 BFI_FCPORT_I2H_STATS_CLEAR_RSP = BFA_I2HM(5),
169 BFI_FCPORT_I2H_EVENT = BFA_I2HM(6),
170 BFI_FCPORT_I2H_TRUNK_SCN = BFA_I2HM(7),
171 BFI_FCPORT_I2H_ENABLE_AEN = BFA_I2HM(8),
172 BFI_FCPORT_I2H_DISABLE_AEN = BFA_I2HM(9),
179 struct bfi_fcport_req_s {
180 struct bfi_mhdr_s mh; /* msg header */
181 u32 msgtag; /* msgtag for reply */
187 struct bfi_fcport_rsp_s {
188 struct bfi_mhdr_s mh; /* common msg header */
189 u8 status; /* port enable status */
191 struct bfa_port_cfg_s port_cfg;/* port configuration */
192 u32 msgtag; /* msgtag for reply */
196 * BFI_FCPORT_H2I_ENABLE_REQ
198 struct bfi_fcport_enable_req_s {
199 struct bfi_mhdr_s mh; /* msg header */
201 wwn_t nwwn; /* node wwn of physical port */
202 wwn_t pwwn; /* port wwn of physical port */
203 struct bfa_port_cfg_s port_cfg; /* port configuration */
204 union bfi_addr_u stats_dma_addr; /* DMA address for stats */
205 u32 msgtag; /* msgtag for reply */
206 u8 use_flash_cfg; /* get prot cfg from flash */
211 * BFI_FCPORT_H2I_SET_SVC_PARAMS_REQ
213 struct bfi_fcport_set_svc_params_req_s {
214 struct bfi_mhdr_s mh; /* msg header */
215 __be16 tx_bbcredit; /* Tx credits */
220 * BFI_FCPORT_I2H_EVENT
222 struct bfi_fcport_event_s {
223 struct bfi_mhdr_s mh; /* common msg header */
224 struct bfa_port_link_s link_state;
228 * BFI_FCPORT_I2H_TRUNK_SCN
230 struct bfi_fcport_trunk_link_s {
232 u8 fctl; /* bfa_trunk_link_fctl_t */
233 u8 state; /* bfa_trunk_link_state_t */
234 u8 speed; /* bfa_port_speed_t */
239 #define BFI_FCPORT_MAX_LINKS 2
240 struct bfi_fcport_trunk_scn_s {
241 struct bfi_mhdr_s mh;
242 u8 trunk_state; /* bfa_trunk_state_t */
243 u8 trunk_speed; /* bfa_port_speed_t */
245 struct bfi_fcport_trunk_link_s tlink[BFI_FCPORT_MAX_LINKS];
251 union bfi_fcport_h2i_msg_u {
252 struct bfi_mhdr_s *mhdr;
253 struct bfi_fcport_enable_req_s *penable;
254 struct bfi_fcport_req_s *pdisable;
255 struct bfi_fcport_set_svc_params_req_s *psetsvcparams;
256 struct bfi_fcport_req_s *pstatsget;
257 struct bfi_fcport_req_s *pstatsclear;
263 union bfi_fcport_i2h_msg_u {
264 struct bfi_msg_s *msg;
265 struct bfi_fcport_rsp_s *penable_rsp;
266 struct bfi_fcport_rsp_s *pdisable_rsp;
267 struct bfi_fcport_rsp_s *psetsvcparams_rsp;
268 struct bfi_fcport_rsp_s *pstatsget_rsp;
269 struct bfi_fcport_rsp_s *pstatsclear_rsp;
270 struct bfi_fcport_event_s *event;
271 struct bfi_fcport_trunk_scn_s *trunk_scn;
275 BFI_FCXP_H2I_SEND_REQ = 1,
279 BFI_FCXP_I2H_SEND_RSP = BFA_I2HM(1),
282 #define BFA_FCXP_MAX_SGES 2
285 * FCXP send request structure
287 struct bfi_fcxp_send_req_s {
288 struct bfi_mhdr_s mh; /* Common msg header */
289 __be16 fcxp_tag; /* driver request tag */
290 __be16 max_frmsz; /* max send frame size */
291 __be16 vf_id; /* vsan tag if applicable */
292 u16 rport_fw_hndl; /* FW Handle for the remote port */
293 u8 class; /* FC class used for req/rsp */
294 u8 rsp_timeout; /* timeout in secs, 0-no response */
295 u8 cts; /* continue sequence */
296 u8 lp_tag; /* lport tag */
297 struct fchs_s fchs; /* request FC header structure */
298 __be32 req_len; /* request payload length */
299 __be32 rsp_maxlen; /* max response length expected */
300 struct bfi_sge_s req_sge[BFA_FCXP_MAX_SGES]; /* request buf */
301 struct bfi_sge_s rsp_sge[BFA_FCXP_MAX_SGES]; /* response buf */
305 * FCXP send response structure
307 struct bfi_fcxp_send_rsp_s {
308 struct bfi_mhdr_s mh; /* Common msg header */
309 __be16 fcxp_tag; /* send request tag */
310 u8 req_status; /* request status */
312 __be32 rsp_len; /* actual response length */
313 __be32 residue_len; /* residual response length */
314 struct fchs_s fchs; /* response FC header structure */
318 BFI_UF_H2I_BUF_POST = 1,
322 BFI_UF_I2H_FRM_RCVD = BFA_I2HM(1),
325 #define BFA_UF_MAX_SGES 2
327 struct bfi_uf_buf_post_s {
328 struct bfi_mhdr_s mh; /* Common msg header */
329 u16 buf_tag; /* buffer tag */
330 __be16 buf_len; /* total buffer length */
331 struct bfi_sge_s sge[BFA_UF_MAX_SGES]; /* buffer DMA SGEs */
334 struct bfi_uf_frm_rcvd_s {
335 struct bfi_mhdr_s mh; /* Common msg header */
336 u16 buf_tag; /* buffer tag */
338 u16 frm_len; /* received frame length */
339 u16 xfr_len; /* tranferred length */
342 enum bfi_lps_h2i_msgs {
343 BFI_LPS_H2I_LOGIN_REQ = 1,
344 BFI_LPS_H2I_LOGOUT_REQ = 2,
347 enum bfi_lps_i2h_msgs {
348 BFI_LPS_H2I_LOGIN_RSP = BFA_I2HM(1),
349 BFI_LPS_H2I_LOGOUT_RSP = BFA_I2HM(2),
350 BFI_LPS_H2I_CVL_EVENT = BFA_I2HM(3),
353 struct bfi_lps_login_req_s {
354 struct bfi_mhdr_s mh; /* common msg header */
365 struct bfi_lps_login_rsp_s {
366 struct bfi_mhdr_s mh; /* common msg header */
381 u8 brcd_switch; /* attached peer is brcd switch */
384 struct bfi_lps_logout_req_s {
385 struct bfi_mhdr_s mh; /* common msg header */
391 struct bfi_lps_logout_rsp_s {
392 struct bfi_mhdr_s mh; /* common msg header */
398 struct bfi_lps_cvl_event_s {
399 struct bfi_mhdr_s mh; /* common msg header */
404 union bfi_lps_h2i_msg_u {
405 struct bfi_mhdr_s *msg;
406 struct bfi_lps_login_req_s *login_req;
407 struct bfi_lps_logout_req_s *logout_req;
410 union bfi_lps_i2h_msg_u {
411 struct bfi_msg_s *msg;
412 struct bfi_lps_login_rsp_s *login_rsp;
413 struct bfi_lps_logout_rsp_s *logout_rsp;
414 struct bfi_lps_cvl_event_s *cvl_event;
417 enum bfi_rport_h2i_msgs {
418 BFI_RPORT_H2I_CREATE_REQ = 1,
419 BFI_RPORT_H2I_DELETE_REQ = 2,
420 BFI_RPORT_H2I_SET_SPEED_REQ = 3,
423 enum bfi_rport_i2h_msgs {
424 BFI_RPORT_I2H_CREATE_RSP = BFA_I2HM(1),
425 BFI_RPORT_I2H_DELETE_RSP = BFA_I2HM(2),
426 BFI_RPORT_I2H_QOS_SCN = BFA_I2HM(3),
429 struct bfi_rport_create_req_s {
430 struct bfi_mhdr_s mh; /* common msg header */
431 u16 bfa_handle; /* host rport handle */
432 __be16 max_frmsz; /* max rcv pdu size */
433 u32 pid:24, /* remote port ID */
434 lp_tag:8; /* local port tag */
435 u32 local_pid:24, /* local port ID */
437 u8 fc_class; /* supported FC classes */
438 u8 vf_en; /* virtual fabric enable */
439 u16 vf_id; /* virtual fabric ID */
442 struct bfi_rport_create_rsp_s {
443 struct bfi_mhdr_s mh; /* common msg header */
444 u8 status; /* rport creation status */
446 u16 bfa_handle; /* host rport handle */
447 u16 fw_handle; /* firmware rport handle */
448 struct bfa_rport_qos_attr_s qos_attr; /* QoS Attributes */
451 struct bfa_rport_speed_req_s {
452 struct bfi_mhdr_s mh; /* common msg header */
453 u16 fw_handle; /* firmware rport handle */
454 u8 speed; /* rport's speed via RPSC */
458 struct bfi_rport_delete_req_s {
459 struct bfi_mhdr_s mh; /* common msg header */
460 u16 fw_handle; /* firmware rport handle */
464 struct bfi_rport_delete_rsp_s {
465 struct bfi_mhdr_s mh; /* common msg header */
466 u16 bfa_handle; /* host rport handle */
467 u8 status; /* rport deletion status */
471 struct bfi_rport_qos_scn_s {
472 struct bfi_mhdr_s mh; /* common msg header */
473 u16 bfa_handle; /* host rport handle */
475 struct bfa_rport_qos_attr_s old_qos_attr; /* Old QoS Attributes */
476 struct bfa_rport_qos_attr_s new_qos_attr; /* New QoS Attributes */
479 union bfi_rport_h2i_msg_u {
480 struct bfi_msg_s *msg;
481 struct bfi_rport_create_req_s *create_req;
482 struct bfi_rport_delete_req_s *delete_req;
483 struct bfi_rport_speed_req_s *speed_req;
486 union bfi_rport_i2h_msg_u {
487 struct bfi_msg_s *msg;
488 struct bfi_rport_create_rsp_s *create_rsp;
489 struct bfi_rport_delete_rsp_s *delete_rsp;
490 struct bfi_rport_qos_scn_s *qos_scn_evt;
494 * Initiator mode I-T nexus interface defines.
498 BFI_ITNIM_H2I_CREATE_REQ = 1, /* i-t nexus creation */
499 BFI_ITNIM_H2I_DELETE_REQ = 2, /* i-t nexus deletion */
503 BFI_ITNIM_I2H_CREATE_RSP = BFA_I2HM(1),
504 BFI_ITNIM_I2H_DELETE_RSP = BFA_I2HM(2),
505 BFI_ITNIM_I2H_SLER_EVENT = BFA_I2HM(3),
508 struct bfi_itnim_create_req_s {
509 struct bfi_mhdr_s mh; /* common msg header */
510 u16 fw_handle; /* f/w handle for itnim */
511 u8 class; /* FC class for IO */
512 u8 seq_rec; /* sequence recovery support */
513 u8 msg_no; /* seq id of the msg */
516 struct bfi_itnim_create_rsp_s {
517 struct bfi_mhdr_s mh; /* common msg header */
518 u16 bfa_handle; /* bfa handle for itnim */
519 u8 status; /* fcp request status */
520 u8 seq_id; /* seq id of the msg */
523 struct bfi_itnim_delete_req_s {
524 struct bfi_mhdr_s mh; /* common msg header */
525 u16 fw_handle; /* f/w itnim handle */
526 u8 seq_id; /* seq id of the msg */
530 struct bfi_itnim_delete_rsp_s {
531 struct bfi_mhdr_s mh; /* common msg header */
532 u16 bfa_handle; /* bfa handle for itnim */
533 u8 status; /* fcp request status */
534 u8 seq_id; /* seq id of the msg */
537 struct bfi_itnim_sler_event_s {
538 struct bfi_mhdr_s mh; /* common msg header */
539 u16 bfa_handle; /* bfa handle for itnim */
543 union bfi_itnim_h2i_msg_u {
544 struct bfi_itnim_create_req_s *create_req;
545 struct bfi_itnim_delete_req_s *delete_req;
546 struct bfi_msg_s *msg;
549 union bfi_itnim_i2h_msg_u {
550 struct bfi_itnim_create_rsp_s *create_rsp;
551 struct bfi_itnim_delete_rsp_s *delete_rsp;
552 struct bfi_itnim_sler_event_s *sler_event;
553 struct bfi_msg_s *msg;
557 * Initiator mode IO interface defines.
561 BFI_IOIM_H2I_IOABORT_REQ = 1, /* IO abort request */
562 BFI_IOIM_H2I_IOCLEANUP_REQ = 2, /* IO cleanup request */
566 BFI_IOIM_I2H_IO_RSP = BFA_I2HM(1), /* non-fp IO response */
567 BFI_IOIM_I2H_IOABORT_RSP = BFA_I2HM(2), /* ABORT rsp */
571 * IO command DIF info
573 struct bfi_ioim_dif_s {
578 * FCP IO messages overview
581 * - Max CDB length supported is 64 bytes.
582 * - SCSI Linked commands and SCSI bi-directional Commands not
586 struct bfi_ioim_req_s {
587 struct bfi_mhdr_s mh; /* Common msg header */
588 __be16 io_tag; /* I/O tag */
589 u16 rport_hdl; /* itnim/rport firmware handle */
590 struct fcp_cmnd_s cmnd; /* IO request info */
593 * SG elements array within the IO request must be double word
594 * aligned. This aligment is required to optimize SGM setup for the IO.
596 struct bfi_sge_s sges[BFI_SGE_INLINE_MAX];
600 struct bfi_ioim_dif_s dif;
604 * This table shows various IO status codes from firmware and their
605 * meaning. Host driver can use these status codes to further process
608 * BFI_IOIM_STS_OK : IO completed with error free SCSI &
610 * io-tag can be reused.
612 * BFA_IOIM_STS_SCSI_ERR : IO completed with scsi error.
613 * - io-tag can be reused.
615 * BFI_IOIM_STS_HOST_ABORTED : IO was aborted successfully due to
617 * - io-tag cannot be reused yet.
619 * BFI_IOIM_STS_ABORTED : IO was aborted successfully
621 * - io-tag cannot be reused yet.
623 * BFI_IOIM_STS_TIMEDOUT : IO timedout and ABTS/RRQ is happening
624 * in the firmware and
625 * - io-tag cannot be reused yet.
627 * BFI_IOIM_STS_SQER_NEEDED : Firmware could not recover the IO
628 * with sequence level error
629 * logic and hence host needs to retry
630 * this IO with a different IO tag
631 * - io-tag cannot be used yet.
633 * BFI_IOIM_STS_NEXUS_ABORT : Second Level Error Recovery from host
634 * is required because 2 consecutive ABTS
635 * timedout and host needs logout and
636 * re-login with the target
637 * - io-tag cannot be used yet.
639 * BFI_IOIM_STS_UNDERRUN : IO completed with SCSI status good,
640 * but the data tranferred is less than
641 * the fcp data length in the command.
642 * ex. SCSI INQUIRY where transferred
643 * data length and residue count in FCP
644 * response accounts for total fcp-dl
645 * - io-tag can be reused.
647 * BFI_IOIM_STS_OVERRUN : IO completed with SCSI status good,
648 * but the data transerred is more than
649 * fcp data length in the command. ex.
650 * TAPE IOs where blocks can of unequal
652 * - io-tag can be reused.
654 * BFI_IOIM_STS_RES_FREE : Firmware has completed using io-tag
655 * during abort process
656 * - io-tag can be reused.
658 * BFI_IOIM_STS_PROTO_ERR : Firmware detected a protocol error.
659 * ex target sent more data than
660 * requested, or there was data frame
661 * loss and other reasons
662 * - io-tag cannot be used yet.
664 * BFI_IOIM_STS_DIF_ERR : Firwmare detected DIF error. ex: DIF
665 * CRC err or Ref Tag err or App tag err.
666 * - io-tag can be reused.
668 * BFA_IOIM_STS_TSK_MGT_ABORT : IO was aborted because of Task
669 * Management command from the host
670 * - io-tag can be reused.
672 * BFI_IOIM_STS_UTAG : Firmware does not know about this
674 * - io-tag can be reused.
676 enum bfi_ioim_status {
678 BFI_IOIM_STS_HOST_ABORTED = 1,
679 BFI_IOIM_STS_ABORTED = 2,
680 BFI_IOIM_STS_TIMEDOUT = 3,
681 BFI_IOIM_STS_RES_FREE = 4,
682 BFI_IOIM_STS_SQER_NEEDED = 5,
683 BFI_IOIM_STS_PROTO_ERR = 6,
684 BFI_IOIM_STS_UTAG = 7,
685 BFI_IOIM_STS_PATHTOV = 8,
688 #define BFI_IOIM_SNSLEN (256)
690 * I/O response message
692 struct bfi_ioim_rsp_s {
693 struct bfi_mhdr_s mh; /* common msg header */
694 __be16 io_tag; /* completed IO tag */
695 u16 bfa_rport_hndl; /* releated rport handle */
696 u8 io_status; /* IO completion status */
697 u8 reuse_io_tag; /* IO tag can be reused */
698 u16 abort_tag; /* host abort request tag */
699 u8 scsi_status; /* scsi status from target */
700 u8 sns_len; /* scsi sense length */
701 u8 resid_flags; /* IO residue flags */
703 __be32 residue; /* IO residual length in bytes */
707 struct bfi_ioim_abort_req_s {
708 struct bfi_mhdr_s mh; /* Common msg header */
709 __be16 io_tag; /* I/O tag */
710 u16 abort_tag; /* unique request tag */
714 * Initiator mode task management command interface defines.
718 BFI_TSKIM_H2I_TM_REQ = 1, /* task-mgmt command */
719 BFI_TSKIM_H2I_ABORT_REQ = 2, /* task-mgmt command */
723 BFI_TSKIM_I2H_TM_RSP = BFA_I2HM(1),
726 struct bfi_tskim_req_s {
727 struct bfi_mhdr_s mh; /* Common msg header */
728 __be16 tsk_tag; /* task management tag */
729 u16 itn_fhdl; /* itn firmware handle */
730 struct scsi_lun lun; /* LU number */
731 u8 tm_flags; /* see enum fcp_tm_cmnd */
732 u8 t_secs; /* Timeout value in seconds */
736 struct bfi_tskim_abortreq_s {
737 struct bfi_mhdr_s mh; /* Common msg header */
738 __be16 tsk_tag; /* task management tag */
742 enum bfi_tskim_status {
744 * Following are FCP-4 spec defined status codes,
745 * **DO NOT CHANGE THEM **
747 BFI_TSKIM_STS_OK = 0,
748 BFI_TSKIM_STS_NOT_SUPP = 4,
749 BFI_TSKIM_STS_FAILED = 5,
754 BFI_TSKIM_STS_TIMEOUT = 10, /* TM request timedout */
755 BFI_TSKIM_STS_ABORTED = 11, /* Aborted on host request */
758 struct bfi_tskim_rsp_s {
759 struct bfi_mhdr_s mh; /* Common msg header */
760 __be16 tsk_tag; /* task mgmt cmnd tag */
761 u8 tsk_status; /* @ref bfi_tskim_status */
767 #endif /* __BFI_MS_H__ */