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/* $FreeBSD: release/9.1.0/sys/dev/isp/isp_stds.h 197373 2009-09-21 01:41:19Z mjacob $ */
/*-
* Copyright (c) 1997-2009 by Matthew Jacob
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
*/
/*
* Structures that derive directly from public standards.
*/
#ifndef _ISP_STDS_H
#define _ISP_STDS_H
/*
* FC Frame Header
*
* Source: dpANS-X3.xxx-199x, section 18 (AKA FC-PH-2)
*
*/
typedef struct {
uint8_t r_ctl;
uint8_t d_id[3];
uint8_t cs_ctl;
uint8_t s_id[3];
uint8_t type;
uint8_t f_ctl[3];
uint8_t seq_id;
uint8_t df_ctl;
uint16_t seq_cnt;
uint16_t ox_id;
uint16_t rx_id;
uint32_t parameter;
} fc_hdr_t;
/*
* FCP_CMND_IU Payload
*
* Source: NICTS T10, Project 1144D, Revision 07a, Section 9 (AKA fcp2-r07a)
*
* Notes:
* When additional cdb length is defined in fcp_cmnd_alen_datadir,
* bits 2..7, the actual cdb length is 16 + ((fcp_cmnd_alen_datadir>>2)*4),
* with the datalength following in MSB format just after.
*/
typedef struct {
uint8_t fcp_cmnd_lun[8];
uint8_t fcp_cmnd_crn;
uint8_t fcp_cmnd_task_attribute;
uint8_t fcp_cmnd_task_management;
uint8_t fcp_cmnd_alen_datadir;
union {
struct {
uint8_t fcp_cmnd_cdb[16];
uint32_t fcp_cmnd_dl;
} sf;
struct {
uint8_t fcp_cmnd_cdb[1];
} lf;
} cdb_dl;
} fcp_cmnd_iu_t;
#define FCP_CMND_TASK_ATTR_SIMPLE 0x00
#define FCP_CMND_TASK_ATTR_HEAD 0x01
#define FCP_CMND_TASK_ATTR_ORDERED 0x02
#define FCP_CMND_TASK_ATTR_ACA 0x04
#define FCP_CMND_TASK_ATTR_UNTAGGED 0x05
#define FCP_CMND_TASK_ATTR_MASK 0x07
#define FCP_CMND_ADDTL_CDBLEN_SHIFT 2
#define FCP_CMND_DATA_WRITE 0x01
#define FCP_CMND_DATA_READ 0x02
#define FCP_CMND_DATA_DIR_MASK 0x03
#define FCP_CMND_TMF_CLEAR_ACA 0x40
#define FCP_CMND_TMF_TGT_RESET 0x20
#define FCP_CMND_TMF_LUN_RESET 0x10
#define FCP_CMND_TMF_CLEAR_TASK_SET 0x04
#define FCP_CMND_TMF_ABORT_TASK_SET 0x02
/*
* Basic CT IU Header
*
* Source: X3.288-199x Generic Services 2 Rev 5.3 (FC-GS-2) Section 4.3.1
*/
typedef struct {
uint8_t ct_revision;
uint8_t ct_in_id[3];
uint8_t ct_fcs_type;
uint8_t ct_fcs_subtype;
uint8_t ct_options;
uint8_t ct_reserved0;
uint16_t ct_cmd_resp;
uint16_t ct_bcnt_resid;
uint8_t ct_reserved1;
uint8_t ct_reason;
uint8_t ct_explanation;
uint8_t ct_vunique;
} ct_hdr_t;
#define CT_REVISION 1
#define CT_FC_TYPE_FC 0xFC
#define CT_FC_SUBTYPE_NS 0x02
/*
* RFT_ID Requet CT_IU
*
* Source: NCITS xxx-200x Generic Services- 5 Rev 8.5 Section 5.2.5.30
*/
typedef struct {
ct_hdr_t rftid_hdr;
uint8_t rftid_reserved;
uint8_t rftid_portid[3];
uint32_t rftid_fc4types[8];
} rft_id_t;
/*
* FCP Response IU Bits of interest
* Source: NCITS T10, Project 1144D, Revision 08 (aka FCP2r08)
*/
#define FCP_CONF_REQ 0x10
#define FCP_RESID_UNDERFLOW 0x08
#define FCP_RESID_OVERFLOW 0x04
#define FCP_SNSLEN_VALID 0x02
#define FCP_RSPLEN_VALID 0x01
#define FCP_MAX_RSPLEN 0x08
/*
* FCP Response Code Definitions
* Source: NCITS T10, Project 1144D, Revision 08 (aka FCP2r08)
*/
#define FCP_RSPNS_CODE_OFFSET 3
#define FCP_RSPNS_TMF_DONE 0
#define FCP_RSPNS_DLBRSTX 1
#define FCP_RSPNS_BADCMND 2
#define FCP_RSPNS_EROFS 3
#define FCP_RSPNS_TMF_REJECT 4
#define FCP_RSPNS_TMF_FAILED 5
#define FCP_RSPNS_TMF_SUCCEEDED 8
#define FCP_RSPNS_TMF_INCORRECT_LUN 9
/* unconverted miscellany */
/*
* Basic FC Link Service defines
*/
/*
* These are in the R_CTL field.
*/
#define ABTS 0x81
#define BA_ACC 0x84 /* of ABORT SEQUENCE */
#define BA_RJT 0x85 /* of ABORT SEQUENCE */
/*
* Link Service Accept/Reject
*/
#define LS_ACC 0x8002
#define LS_RJT 0x8001
/*
* FC ELS Codes- bits 31-24 of the first payload word of an ELS frame.
*/
#define PLOGI 0x03
#define FLOGI 0x04
#define LOGO 0x05
#define ABTX 0x06
#define PRLI 0x20
#define PRLO 0x21
#define SCN 0x22
#define TPRLO 0x24
#define PDISC 0x50
#define ADISC 0x52
#define RNC 0x53
/*
* FC4 defines
*/
#define FC4_IP 5 /* ISO/EEC 8802-2 LLC/SNAP */
#define FC4_SCSI 8 /* SCSI-3 via Fibre Channel Protocol (FCP) */
#define FC4_FC_SVC 0x20 /* Fibre Channel Services */
#ifndef MSG_ABORT
#define MSG_ABORT 0x06
#endif
#ifndef MSG_BUS_DEV_RESET
#define MSG_BUS_DEV_RESET 0x0c
#endif
#ifndef MSG_ABORT_TAG
#define MSG_ABORT_TAG 0x0d
#endif
#ifndef MSG_CLEAR_QUEUE
#define MSG_CLEAR_QUEUE 0x0e
#endif
#ifndef MSG_REL_RECOVERY
#define MSG_REL_RECOVERY 0x10
#endif
#ifndef MSG_TERM_IO_PROC
#define MSG_TERM_IO_PROC 0x11
#endif
#ifndef MSG_LUN_RESET
#define MSG_LUN_RESET 0x17
#endif
#endif /* _ISP_STDS_H */