212 lines
5.2 KiB
C
212 lines
5.2 KiB
C
/* $FreeBSD$ */
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/*-
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* Copyright (c) 1997-2007 by Matthew Jacob
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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/*
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* Structures that derive directly from public standards.
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*/
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#ifndef _ISP_STDS_H
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#define _ISP_STDS_H
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/*
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* FC Frame Header
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*
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* Source: dpANS-X3.xxx-199x, section 18 (AKA FC-PH-2)
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*
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*/
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typedef struct {
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uint8_t r_ctl;
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uint8_t d_id[3];
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uint8_t cs_ctl;
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uint8_t s_id[3];
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uint8_t type;
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uint8_t f_ctl;
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uint8_t seq_id;
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uint8_t df_ctl;
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uint16_t seq_cnt;
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uint16_t ox_id;
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uint16_t rx_id;
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uint32_t parameter;
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} fc_hdr_t;
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/*
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* FCP_CMND_IU Payload
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*
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* Source: NICTS T10, Project 1144D, Revision 07a, Section 9 (AKA fcp2-r07a)
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*
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* Notes:
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* When additional cdb length is defined in fcp_cmnd_alen_datadir,
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* bits 2..7, the actual cdb length is 16 + ((fcp_cmnd_alen_datadir>>2)*4),
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* with the datalength following in MSB format just after.
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*/
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typedef struct {
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uint8_t fcp_cmnd_lun[8];
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uint8_t fcp_cmnd_crn;
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uint8_t fcp_cmnd_task_attribute;
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uint8_t fcp_cmnd_task_management;
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uint8_t fcp_cmnd_alen_datadir;
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union {
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struct {
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uint8_t fcp_cmnd_cdb[16];
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uint32_t fcp_cmnd_dl;
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} sf;
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struct {
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uint8_t fcp_cmnd_cdb[1];
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} lf;
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} cdb_dl;
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} fcp_cmnd_iu_t;
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#define FCP_CMND_TASK_ATTR_SIMPLE 0x00
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#define FCP_CMND_TASK_ATTR_HEAD 0x01
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#define FCP_CMND_TASK_ATTR_ORDERED 0x02
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#define FCP_CMND_TASK_ATTR_ACA 0x04
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#define FCP_CMND_TASK_ATTR_UNTAGGED 0x05
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#define FCP_CMND_TASK_ATTR_MASK 0x07
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#define FCP_CMND_ADDTL_CDBLEN_SHIFT 2
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#define FCP_CMND_DATA_WRITE 0x01
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#define FCP_CMND_DATA_READ 0x02
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#define FCP_CMND_DATA_DIR_MASK 0x03
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#define FCP_CMND_TMF_CLEAR_ACA 0x40
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#define FCP_CMND_TMF_TGT_RESET 0x20
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#define FCP_CMND_TMF_LUN_RESET 0x10
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#define FCP_CMND_TMF_CLEAR_TASK_SET 0x04
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#define FCP_CMND_TMF_ABORT_TASK_SET 0x02
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/*
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* Basic CT IU Header
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*
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* Source: X3.288-199x Generic Services 2 Rev 5.3 (FC-GS-2) Section 4.3.1
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*/
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typedef struct {
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uint8_t ct_revision;
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uint8_t ct_in_id[3];
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uint8_t ct_fcs_type;
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uint8_t ct_fcs_subtype;
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uint8_t ct_options;
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uint8_t ct_reserved0;
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uint16_t ct_cmd_resp;
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uint16_t ct_bcnt_resid;
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uint8_t ct_reserved1;
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uint8_t ct_reason;
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uint8_t ct_explanation;
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uint8_t ct_vunique;
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} ct_hdr_t;
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#define CT_REVISION 1
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#define CT_FC_TYPE_FC 0xFC
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#define CT_FC_SUBTYPE_NS 0x02
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/*
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* RFT_ID Requet CT_IU
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*
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* Source: NCITS xxx-200x Generic Services- 5 Rev 8.5 Section 5.2.5.30
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*/
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typedef struct {
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ct_hdr_t rftid_hdr;
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uint8_t rftid_reserved;
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uint8_t rftid_portid[3];
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uint32_t rftid_fc4types[8];
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} rft_id_t;
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/*
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* FCP Response Code Definitions
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* Source: NCITS T10, Project 1144D, Revision 07a (aka FCP2r07a)
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*/
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#define FCP_RSPNS_CODE_OFFSET 3
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#define FCP_RSPNS_TMF_DONE 0
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#define FCP_RSPNS_DLBRSTX 1
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#define FCP_RSPNS_BADCMND 2
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#define FCP_RSPNS_EROFS 3
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#define FCP_RSPNS_TMF_REJECT 4
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#define FCP_RSPNS_TMF_FAILED 5
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/* unconverted miscellany */
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/*
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* Basic FC Link Service defines
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*/
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/*
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* These are in the R_CTL field.
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*/
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#define ABTS 0x81
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#define BA_ACC 0x84 /* of ABORT SEQUENCE */
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#define BA_RJT 0x85 /* of ABORT SEQUENCE */
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/*
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* Link Service Accept/Reject
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*/
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#define LS_ACC 0x8002
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#define LS_RJT 0x8001
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/*
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* FC ELS Codes- bits 31-24 of the first payload word of an ELS frame.
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*/
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#define PLOGI 0x03
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#define FLOGI 0x04
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#define LOGO 0x05
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#define ABTX 0x06
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#define PRLI 0x20
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#define PRLO 0x21
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#define TPRLO 0x24
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#define RNC 0x53
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/*
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* FC4 defines
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*/
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#define FC4_IP 5 /* ISO/EEC 8802-2 LLC/SNAP */
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#define FC4_SCSI 8 /* SCSI-3 via Fibre Channel Protocol (FCP) */
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#define FC4_FC_SVC 0x20 /* Fibre Channel Services */
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#ifndef MSG_ABORT
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#define MSG_ABORT 0x06
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#endif
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#ifndef MSG_BUS_DEV_RESET
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#define MSG_BUS_DEV_RESET 0x0c
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#endif
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#ifndef MSG_ABORT_TAG
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#define MSG_ABORT_TAG 0x0d
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#endif
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#ifndef MSG_CLEAR_QUEUE
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#define MSG_CLEAR_QUEUE 0x0e
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#endif
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#ifndef MSG_REL_RECOVERY
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#define MSG_REL_RECOVERY 0x10
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#endif
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#ifndef MSG_TERM_IO_PROC
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#define MSG_TERM_IO_PROC 0x11
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#endif
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#ifndef MSG_LUN_RESET
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#define MSG_LUN_RESET 0x17
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#endif
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#endif /* _ISP_STDS_H */
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