diff options
Diffstat (limited to 'drivers/scsi/bfa/include/bfi/bfi_fcpim.h')
| -rw-r--r-- | drivers/scsi/bfa/include/bfi/bfi_fcpim.h | 301 |
1 files changed, 0 insertions, 301 deletions
diff --git a/drivers/scsi/bfa/include/bfi/bfi_fcpim.h b/drivers/scsi/bfa/include/bfi/bfi_fcpim.h deleted file mode 100644 index 52c059fb4c3a..000000000000 --- a/drivers/scsi/bfa/include/bfi/bfi_fcpim.h +++ /dev/null @@ -1,301 +0,0 @@ -/* - * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. - * All rights reserved - * www.brocade.com - * - * Linux driver for Brocade Fibre Channel Host Bus Adapter. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License (GPL) Version 2 as - * published by the Free Software Foundation - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - */ - -#ifndef __BFI_FCPIM_H__ -#define __BFI_FCPIM_H__ - -#include "bfi.h" -#include <protocol/fcp.h> - -#pragma pack(1) - -/* - * Initiator mode I-T nexus interface defines. - */ - -enum bfi_itnim_h2i { - BFI_ITNIM_H2I_CREATE_REQ = 1, /* i-t nexus creation */ - BFI_ITNIM_H2I_DELETE_REQ = 2, /* i-t nexus deletion */ -}; - -enum bfi_itnim_i2h { - BFI_ITNIM_I2H_CREATE_RSP = BFA_I2HM(1), - BFI_ITNIM_I2H_DELETE_RSP = BFA_I2HM(2), - BFI_ITNIM_I2H_SLER_EVENT = BFA_I2HM(3), -}; - -struct bfi_itnim_create_req_s { - struct bfi_mhdr_s mh; /* common msg header */ - u16 fw_handle; /* f/w handle for itnim */ - u8 class; /* FC class for IO */ - u8 seq_rec; /* sequence recovery support */ - u8 msg_no; /* seq id of the msg */ -}; - -struct bfi_itnim_create_rsp_s { - struct bfi_mhdr_s mh; /* common msg header */ - u16 bfa_handle; /* bfa handle for itnim */ - u8 status; /* fcp request status */ - u8 seq_id; /* seq id of the msg */ -}; - -struct bfi_itnim_delete_req_s { - struct bfi_mhdr_s mh; /* common msg header */ - u16 fw_handle; /* f/w itnim handle */ - u8 seq_id; /* seq id of the msg */ - u8 rsvd; -}; - -struct bfi_itnim_delete_rsp_s { - struct bfi_mhdr_s mh; /* common msg header */ - u16 bfa_handle; /* bfa handle for itnim */ - u8 status; /* fcp request status */ - u8 seq_id; /* seq id of the msg */ -}; - -struct bfi_itnim_sler_event_s { - struct bfi_mhdr_s mh; /* common msg header */ - u16 bfa_handle; /* bfa handle for itnim */ - u16 rsvd; -}; - -union bfi_itnim_h2i_msg_u { - struct bfi_itnim_create_req_s *create_req; - struct bfi_itnim_delete_req_s *delete_req; - struct bfi_msg_s *msg; -}; - -union bfi_itnim_i2h_msg_u { - struct bfi_itnim_create_rsp_s *create_rsp; - struct bfi_itnim_delete_rsp_s *delete_rsp; - struct bfi_itnim_sler_event_s *sler_event; - struct bfi_msg_s *msg; -}; - -/* - * Initiator mode IO interface defines. - */ - -enum bfi_ioim_h2i { - BFI_IOIM_H2I_IOABORT_REQ = 1, /* IO abort request */ - BFI_IOIM_H2I_IOCLEANUP_REQ = 2, /* IO cleanup request */ -}; - -enum bfi_ioim_i2h { - BFI_IOIM_I2H_IO_RSP = BFA_I2HM(1), /* non-fp IO response */ - BFI_IOIM_I2H_IOABORT_RSP = BFA_I2HM(2),/* ABORT rsp */ -}; - -/** - * IO command DIF info - */ -struct bfi_ioim_dif_s { - u32 dif_info[4]; -}; - -/** - * FCP IO messages overview - * - * @note - * - Max CDB length supported is 64 bytes. - * - SCSI Linked commands and SCSI bi-directional Commands not - * supported. - * - */ -struct bfi_ioim_req_s { - struct bfi_mhdr_s mh; /* Common msg header */ - u16 io_tag; /* I/O tag */ - u16 rport_hdl; /* itnim/rport firmware handle */ - struct fcp_cmnd_s cmnd; /* IO request info */ - - /** - * SG elements array within the IO request must be double word - * aligned. This aligment is required to optimize SGM setup for the IO. - */ - struct bfi_sge_s sges[BFI_SGE_INLINE_MAX]; - u8 io_timeout; - u8 dif_en; - u8 rsvd_a[2]; - struct bfi_ioim_dif_s dif; -}; - -/** - * This table shows various IO status codes from firmware and their - * meaning. Host driver can use these status codes to further process - * IO completions. - * - * BFI_IOIM_STS_OK : IO completed with error free SCSI & - * transport status. - * - io-tag can be reused. - * - * BFA_IOIM_STS_SCSI_ERR : IO completed with scsi error. - * - io-tag can be reused. - * - * BFI_IOIM_STS_HOST_ABORTED : IO was aborted successfully due to - * host request. - * - io-tag cannot be reused yet. - * - * BFI_IOIM_STS_ABORTED : IO was aborted successfully - * internally by f/w. - * - io-tag cannot be reused yet. - * - * BFI_IOIM_STS_TIMEDOUT : IO timedout and ABTS/RRQ is happening - * in the firmware and - * - io-tag cannot be reused yet. - * - * BFI_IOIM_STS_SQER_NEEDED : Firmware could not recover the IO - * with sequence level error - * logic and hence host needs to retry - * this IO with a different IO tag - * - io-tag cannot be used yet. - * - * BFI_IOIM_STS_NEXUS_ABORT : Second Level Error Recovery from host - * is required because 2 consecutive ABTS - * timedout and host needs logout and - * re-login with the target - * - io-tag cannot be used yet. - * - * BFI_IOIM_STS_UNDERRUN : IO completed with SCSI status good, - * but the data tranferred is less than - * the fcp data length in the command. - * ex. SCSI INQUIRY where transferred - * data length and residue count in FCP - * response accounts for total fcp-dl - * - io-tag can be reused. - * - * BFI_IOIM_STS_OVERRUN : IO completed with SCSI status good, - * but the data transerred is more than - * fcp data length in the command. ex. - * TAPE IOs where blocks can of unequal - * lengths. - * - io-tag can be reused. - * - * BFI_IOIM_STS_RES_FREE : Firmware has completed using io-tag - * during abort process - * - io-tag can be reused. - * - * BFI_IOIM_STS_PROTO_ERR : Firmware detected a protocol error. - * ex target sent more data than - * requested, or there was data frame - * loss and other reasons - * - io-tag cannot be used yet. - * - * BFI_IOIM_STS_DIF_ERR : Firwmare detected DIF error. ex: DIF - * CRC err or Ref Tag err or App tag err. - * - io-tag can be reused. - * - * BFA_IOIM_STS_TSK_MGT_ABORT : IO was aborted because of Task - * Management command from the host - * - io-tag can be reused. - * - * BFI_IOIM_STS_UTAG : Firmware does not know about this - * io_tag. - * - io-tag can be reused. - */ -enum bfi_ioim_status { - BFI_IOIM_STS_OK = 0, - BFI_IOIM_STS_HOST_ABORTED = 1, - BFI_IOIM_STS_ABORTED = 2, - BFI_IOIM_STS_TIMEDOUT = 3, - BFI_IOIM_STS_RES_FREE = 4, - BFI_IOIM_STS_SQER_NEEDED = 5, - BFI_IOIM_STS_PROTO_ERR = 6, - BFI_IOIM_STS_UTAG = 7, - BFI_IOIM_STS_PATHTOV = 8, -}; - -#define BFI_IOIM_SNSLEN (256) -/** - * I/O response message - */ -struct bfi_ioim_rsp_s { - struct bfi_mhdr_s mh; /* common msg header */ - u16 io_tag; /* completed IO tag */ - u16 bfa_rport_hndl; /* releated rport handle */ - u8 io_status; /* IO completion status */ - u8 reuse_io_tag; /* IO tag can be reused */ - u16 abort_tag; /* host abort request tag */ - u8 scsi_status; /* scsi status from target */ - u8 sns_len; /* scsi sense length */ - u8 resid_flags; /* IO residue flags */ - u8 rsvd_a; - u32 residue; /* IO residual length in bytes */ - u32 rsvd_b[3]; -}; - -struct bfi_ioim_abort_req_s { - struct bfi_mhdr_s mh; /* Common msg header */ - u16 io_tag; /* I/O tag */ - u16 abort_tag; /* unique request tag */ -}; - -/* - * Initiator mode task management command interface defines. - */ - -enum bfi_tskim_h2i { - BFI_TSKIM_H2I_TM_REQ = 1, /* task-mgmt command */ - BFI_TSKIM_H2I_ABORT_REQ = 2, /* task-mgmt command */ -}; - -enum bfi_tskim_i2h { - BFI_TSKIM_I2H_TM_RSP = BFA_I2HM(1), -}; - -struct bfi_tskim_req_s { - struct bfi_mhdr_s mh; /* Common msg header */ - u16 tsk_tag; /* task management tag */ - u16 itn_fhdl; /* itn firmware handle */ - lun_t lun; /* LU number */ - u8 tm_flags; /* see fcp_tm_cmnd_t */ - u8 t_secs; /* Timeout value in seconds */ - u8 rsvd[2]; -}; - -struct bfi_tskim_abortreq_s { - struct bfi_mhdr_s mh; /* Common msg header */ - u16 tsk_tag; /* task management tag */ - u16 rsvd; -}; - -enum bfi_tskim_status { - /* - * Following are FCP-4 spec defined status codes, - * **DO NOT CHANGE THEM ** - */ - BFI_TSKIM_STS_OK = 0, - BFI_TSKIM_STS_NOT_SUPP = 4, - BFI_TSKIM_STS_FAILED = 5, - - /** - * Defined by BFA - */ - BFI_TSKIM_STS_TIMEOUT = 10, /* TM request timedout */ - BFI_TSKIM_STS_ABORTED = 11, /* Aborted on host request */ -}; - -struct bfi_tskim_rsp_s { - struct bfi_mhdr_s mh; /* Common msg header */ - u16 tsk_tag; /* task mgmt cmnd tag */ - u8 tsk_status; /* @ref bfi_tskim_status */ - u8 rsvd; -}; - -#pragma pack() - -#endif /* __BFI_FCPIM_H__ */ - |