/*- * SPDX-License-Identifier: BSD-2-Clause * * 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_PRIO_MASK 0x78 #define FCP_CMND_PRIO_SHIFT 3 #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_QUERY_ASYNC_EVENT 0x08 #define FCP_CMND_TMF_CLEAR_TASK_SET 0x04 #define FCP_CMND_TMF_ABORT_TASK_SET 0x02 #define FCP_CMND_TMF_QUERY_TASK_SET 0x01 /* * 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; /* * RSPN_ID Requet CT_IU * * Source: INCITS 463-2010 Generic Services 6 Section 5.2.5.32 */ typedef struct { ct_hdr_t rspnid_hdr; uint8_t rspnid_reserved; uint8_t rspnid_portid[3]; uint8_t rspnid_length; uint8_t rspnid_name[0]; } rspn_id_t; /* * RFF_ID Requet CT_IU * * Source: INCITS 463-2010 Generic Services 6 Section 5.2.5.34 */ typedef struct { ct_hdr_t rffid_hdr; uint8_t rffid_reserved; uint8_t rffid_portid[3]; uint16_t rffid_reserved2; uint8_t rffid_fc4features; uint8_t rffid_fc4type; } rff_id_t; /* * RSNN_NN Requet CT_IU * * Source: INCITS 463-2010 Generic Services 6 Section 5.2.5.35 */ typedef struct { ct_hdr_t rsnnnn_hdr; uint8_t rsnnnn_nodename[8]; uint8_t rsnnnn_length; uint8_t rsnnnn_name[0]; } rsnn_nn_t; /* * FCP Response IU and bits of interest * Source: NCITS T10, Project 1828D, Revision 02b (aka FCP4r02b) */ typedef struct { uint8_t fcp_rsp_reserved[8]; uint16_t fcp_rsp_status_qualifier; /* SAM-5 Status Qualifier */ uint8_t fcp_rsp_bits; uint8_t fcp_rsp_scsi_status; /* SAM-5 SCSI Status Byte */ uint32_t fcp_rsp_resid; uint32_t fcp_rsp_snslen; uint32_t fcp_rsp_rsplen; /* * In the bytes that follow, it's going to be * FCP RESPONSE INFO (max 8 bytes, possibly 0) * FCP SENSE INFO (if any) * FCP BIDIRECTIONAL READ RESID (if any) */ uint8_t fcp_rsp_extra[0]; } fcp_rsp_iu_t; #define MIN_FCP_RESPONSE_SIZE 24 #define FCP_BIDIR_RSP 0x80 /* Bi-Directional response */ #define FCP_BIDIR_RESID_UNDERFLOW 0x40 #define FCP_BIDIR_RESID_OVERFLOW 0x20 #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 /* * R_CTL field definitions * * Bits 31-28 are ROUTING * Bits 27-24 are INFORMATION * * These are nibble values, not bits */ #define R_CTL_ROUTE_DATA 0x00 #define R_CTL_ROUTE_ELS 0x02 #define R_CTL_ROUTE_FC4_LINK 0x03 #define R_CTL_ROUTE_VDATA 0x04 #define R_CTL_ROUTE_EXENDED 0x05 #define R_CTL_ROUTE_BASIC 0x08 #define R_CTL_ROUTE_LINK 0x0c #define R_CTL_ROUTE_EXT_ROUTING 0x0f #define R_CTL_INFO_UNCATEGORIZED 0x00 #define R_CTL_INFO_SOLICITED_DATA 0x01 #define R_CTL_INFO_UNSOLICITED_CONTROL 0x02 #define R_CTL_INFO_SOLICITED_CONTROL 0x03 #define R_CTL_INFO_UNSOLICITED_DATA 0x04 #define R_CTL_INFO_DATA_DESCRIPTOR 0x05 #define R_CTL_INFO_UNSOLICITED_COMMAND 0x06 #define R_CTL_INFO_COMMAND_STATUS 0x07 #define MAKE_RCTL(a, b) (((a) << 4) | (b)) /* unconverted miscellany */ /* * Basic FC Link Service defines */ /* #define ABTS MAKE_RCTL(R_CTL_ROUTE_BASIC, R_CTL_INFO_SOLICITED_DATA) */ #define BA_ACC MAKE_RCTL(R_CTL_ROUTE_BASIC, R_CTL_INFO_UNSOLICITED_DATA) /* of ABORT */ #define BA_RJT MAKE_RCTL(R_CTL_ROUTE_BASIC, R_CTL_INFO_DATA_DESCRIPTOR) /* of ABORT */ /* * 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 /* * PRLI Word 0 definitions * FPC4-r02b January, 2011 */ #define PRLI_WD0_TYPE_MASK 0xff000000 #define PRLI_WD0_TC_EXT_MASK 0x00ff0000 #define PRLI_WD0_EST_IMAGE_PAIR (1 << 13) /* * PRLI Word 3 definitions * FPC4-r02b January, 2011 */ #define PRLI_WD3_ENHANCED_DISCOVERY (1 << 11) #define PRLI_WD3_REC_SUPPORT (1 << 10) #define PRLI_WD3_TASK_RETRY_IDENTIFICATION_REQUESTED (1 << 9) #define PRLI_WD3_RETRY (1 << 8) #define PRLI_WD3_CONFIRMED_COMPLETION_ALLOWED (1 << 7) #define PRLI_WD3_DATA_OVERLAY_ALLOWED (1 << 6) #define PRLI_WD3_INITIATOR_FUNCTION (1 << 5) #define PRLI_WD3_TARGET_FUNCTION (1 << 4) #define PRLI_WD3_READ_FCP_XFER_RDY_DISABLED (1 << 1) /* definitely supposed to be set */ #define PRLI_WD3_WRITE_FCP_XFER_RDY_DISABLED (1 << 0) /* * 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 */