/* $NetBSD: isp_stds.h,v 1.6 2021/12/12 09:00:07 andvar Exp $ */ /*- * Copyright (c) 1997-2008 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. * * * Matthew Jacob * Feral Software * 421 Laurel Avenue * Menlo Park, CA 94025 * USA * * gplbsd at feral com */ /* * 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 Request 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 */