1f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love/* 2f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love * Copyright(c) 2007 Intel Corporation. All rights reserved. 3f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love * 4f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love * This program is free software; you can redistribute it and/or modify it 5f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love * under the terms and conditions of the GNU General Public License, 6f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love * version 2, as published by the Free Software Foundation. 7f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love * 8f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love * This program is distributed in the hope it will be useful, but WITHOUT 9f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 10f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for 11f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love * more details. 12f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love * 13f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love * You should have received a copy of the GNU General Public License along with 14f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love * this program; if not, write to the Free Software Foundation, Inc., 15f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. 16f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love * 17f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love * Maintained at www.Open-FCoE.org 18f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love */ 19f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love 20f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love#ifndef _FC_FCP_H_ 21f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love#define _FC_FCP_H_ 22f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love 23e35fa8c2d0feb977c2f7d14a973b4132483ffef3Andy Grover#include <scsi/scsi.h> 24e35fa8c2d0feb977c2f7d14a973b4132483ffef3Andy Grover 25f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love/* 26f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love * Fibre Channel Protocol for SCSI. 27f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love * From T10 FCP-3, T10 project 1560-D Rev 4, Sept. 13, 2005. 28f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love */ 29f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love 30f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love/* 31f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love * fc/fs.h defines FC_TYPE_FCP. 32f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love */ 33f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love 34f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love/* 35f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love * Service parameter page parameters (word 3 bits) for Process Login. 36f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love */ 37f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love#define FCP_SPPF_TASK_RETRY_ID 0x0200 /* task retry ID requested */ 38f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love#define FCP_SPPF_RETRY 0x0100 /* retry supported */ 39f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love#define FCP_SPPF_CONF_COMPL 0x0080 /* confirmed completion allowed */ 40f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love#define FCP_SPPF_OVLY_ALLOW 0x0040 /* data overlay allowed */ 41f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love#define FCP_SPPF_INIT_FCN 0x0020 /* initiator function */ 42f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love#define FCP_SPPF_TARG_FCN 0x0010 /* target function */ 43f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love#define FCP_SPPF_RD_XRDY_DIS 0x0002 /* disable XFER_RDY for reads */ 44f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love#define FCP_SPPF_WR_XRDY_DIS 0x0001 /* disable XFER_RDY for writes */ 45f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love 46f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love/* 47f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love * FCP_CMND IU Payload. 48f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love */ 49f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Lovestruct fcp_cmnd { 50e35fa8c2d0feb977c2f7d14a973b4132483ffef3Andy Grover struct scsi_lun fc_lun; /* logical unit number */ 51b595076a180a56d1bb170e6eceda6eb9d76f4cd3Uwe Kleine-König __u8 fc_cmdref; /* command reference number */ 52f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love __u8 fc_pri_ta; /* priority and task attribute */ 53f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love __u8 fc_tm_flags; /* task management flags */ 54f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love __u8 fc_flags; /* additional len & flags */ 55f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love __u8 fc_cdb[16]; /* base CDB */ 56f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love __be32 fc_dl; /* data length (must follow fc_cdb) */ 57f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love}; 58f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love 59f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love#define FCP_CMND_LEN 32 /* expected length of structure */ 60f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love 61f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Lovestruct fcp_cmnd32 { 62e35fa8c2d0feb977c2f7d14a973b4132483ffef3Andy Grover struct scsi_lun fc_lun; /* logical unit number */ 63b595076a180a56d1bb170e6eceda6eb9d76f4cd3Uwe Kleine-König __u8 fc_cmdref; /* command reference number */ 64f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love __u8 fc_pri_ta; /* priority and task attribute */ 65f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love __u8 fc_tm_flags; /* task management flags */ 66f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love __u8 fc_flags; /* additional len & flags */ 67f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love __u8 fc_cdb[32]; /* base CDB */ 68f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love __be32 fc_dl; /* data length (must follow fc_cdb) */ 69f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love}; 70f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love 71f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love#define FCP_CMND32_LEN 48 /* expected length of structure */ 72f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love#define FCP_CMND32_ADD_LEN (16 / 4) /* Additional cdb length */ 73f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love 74f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love/* 75f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love * fc_pri_ta. 76f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love */ 77f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love#define FCP_PTA_SIMPLE 0 /* simple task attribute */ 78f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love#define FCP_PTA_HEADQ 1 /* head of queue task attribute */ 79f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love#define FCP_PTA_ORDERED 2 /* ordered task attribute */ 8025985edcedea6396277003854657b5f3cb31a628Lucas De Marchi#define FCP_PTA_ACA 4 /* auto. contingent allegiance */ 814dc7ccf7e9d9bca1989b840be9e8e84911387cf2Joe Eykholt#define FCP_PTA_MASK 7 /* mask for task attribute field */ 82f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love#define FCP_PRI_SHIFT 3 /* priority field starts in bit 3 */ 83f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love#define FCP_PRI_RESVD_MASK 0x80 /* reserved bits in priority field */ 84f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love 85f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love/* 86f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love * fc_tm_flags - task management flags field. 87f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love */ 88f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love#define FCP_TMF_CLR_ACA 0x40 /* clear ACA condition */ 890a55256d158c18e4821c248a295b7f8f4423660fChristof Schmitt#define FCP_TMF_TGT_RESET 0x20 /* target reset task management, 900a55256d158c18e4821c248a295b7f8f4423660fChristof Schmitt deprecated as of FCP-3 */ 91f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love#define FCP_TMF_LUN_RESET 0x10 /* logical unit reset task management */ 92f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love#define FCP_TMF_CLR_TASK_SET 0x04 /* clear task set */ 93f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love#define FCP_TMF_ABT_TASK_SET 0x02 /* abort task set */ 94f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love 95f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love/* 96f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love * fc_flags. 97f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love * Bits 7:2 are the additional FCP_CDB length / 4. 98f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love */ 99f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love#define FCP_CFL_LEN_MASK 0xfc /* mask for additional length */ 100f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love#define FCP_CFL_LEN_SHIFT 2 /* shift bits for additional length */ 101f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love#define FCP_CFL_RDDATA 0x02 /* read data */ 102f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love#define FCP_CFL_WRDATA 0x01 /* write data */ 103f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love 104f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love/* 105f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love * FCP_TXRDY IU - transfer ready payload. 106f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love */ 107f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Lovestruct fcp_txrdy { 108f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love __be32 ft_data_ro; /* data relative offset */ 109f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love __be32 ft_burst_len; /* burst length */ 110f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love __u8 _ft_resvd[4]; /* reserved */ 111f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love}; 112f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love 113f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love#define FCP_TXRDY_LEN 12 /* expected length of structure */ 114f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love 115f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love/* 116f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love * FCP_RESP IU - response payload. 117f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love * 118f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love * The response payload comes in three parts: the flags/status, the 119f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love * sense/response lengths and the sense data/response info section. 120f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love * 121f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love * From FCP3r04, note 6 of section 9.5.13: 122f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love * 123f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love * Some early implementations presented the FCP_RSP IU without the FCP_RESID, 124f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love * FCP_SNS_LEN, and FCP_RSP_LEN fields if the FCP_RESID_UNDER, FCP_RESID_OVER, 125f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love * FCP_SNS_LEN_VALID, and FCP_RSP_LEN_VALID bits were all set to zero. This 126f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love * non-standard behavior should be tolerated. 127f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love * 128f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love * All response frames will always contain the fcp_resp template. Some 129f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love * will also include the fcp_resp_len template. 1303b64b1881143ce9e461c211cc81acc72d0cdc476Yi Zou * 1313b64b1881143ce9e461c211cc81acc72d0cdc476Yi Zou * From Table 23, the FCP_RSP_INFO can either be 4 bytes or 8 bytes, both 1323b64b1881143ce9e461c211cc81acc72d0cdc476Yi Zou * are valid length. 133f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love */ 134f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Lovestruct fcp_resp { 135f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love __u8 _fr_resvd[8]; /* reserved */ 136f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love __be16 fr_retry_delay; /* retry delay timer */ 137f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love __u8 fr_flags; /* flags */ 138f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love __u8 fr_status; /* SCSI status code */ 139f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love}; 140f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love 141f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love#define FCP_RESP_LEN 12 /* expected length of structure */ 142f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love 143f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Lovestruct fcp_resp_ext { 144f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love __be32 fr_resid; /* Residual value */ 145f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love __be32 fr_sns_len; /* SCSI Sense length */ 146f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love __be32 fr_rsp_len; /* Response Info length */ 147f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love 148f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love /* 149f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love * Optionally followed by RSP info and/or SNS info and/or 150f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love * bidirectional read residual length, if any. 151f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love */ 152f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love}; 153f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love 154f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love#define FCP_RESP_EXT_LEN 12 /* expected length of the structure */ 155f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love 156f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Lovestruct fcp_resp_rsp_info { 157f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love __u8 _fr_resvd[3]; /* reserved */ 158f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love __u8 rsp_code; /* Response Info Code */ 159f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love __u8 _fr_resvd2[4]; /* reserved */ 160f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love}; 161f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love 1623b64b1881143ce9e461c211cc81acc72d0cdc476Yi Zou#define FCP_RESP_RSP_INFO_LEN4 4 /* without reserved field */ 1633b64b1881143ce9e461c211cc81acc72d0cdc476Yi Zou#define FCP_RESP_RSP_INFO_LEN8 8 /* with reserved field */ 1643b64b1881143ce9e461c211cc81acc72d0cdc476Yi Zou 165f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Lovestruct fcp_resp_with_ext { 166f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love struct fcp_resp resp; 167f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love struct fcp_resp_ext ext; 168f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love}; 169f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love 170f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love#define FCP_RESP_WITH_EXT (FCP_RESP_LEN + FCP_RESP_EXT_LEN) 171f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love 172f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love/* 173f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love * fr_flags. 174f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love */ 175f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love#define FCP_BIDI_RSP 0x80 /* bidirectional read response */ 176f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love#define FCP_BIDI_READ_UNDER 0x40 /* bidir. read less than requested */ 177f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love#define FCP_BIDI_READ_OVER 0x20 /* DL insufficient for full transfer */ 178f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love#define FCP_CONF_REQ 0x10 /* confirmation requested */ 179f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love#define FCP_RESID_UNDER 0x08 /* transfer shorter than expected */ 180f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love#define FCP_RESID_OVER 0x04 /* DL insufficient for full transfer */ 181f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love#define FCP_SNS_LEN_VAL 0x02 /* SNS_LEN field is valid */ 182f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love#define FCP_RSP_LEN_VAL 0x01 /* RSP_LEN field is valid */ 183f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love 184f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love/* 185f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love * rsp_codes 186f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love */ 187f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Loveenum fcp_resp_rsp_codes { 188f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love FCP_TMF_CMPL = 0, 189f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love FCP_DATA_LEN_INVALID = 1, 190f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love FCP_CMND_FIELDS_INVALID = 2, 191f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love FCP_DATA_PARAM_MISMATCH = 3, 192f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love FCP_TMF_REJECTED = 4, 193f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love FCP_TMF_FAILED = 5, 194f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love FCP_TMF_INVALID_LUN = 9, 195f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love}; 196f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love 197f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love/* 198f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love * FCP SRR Link Service request - Sequence Retransmission Request. 199f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love */ 200f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Lovestruct fcp_srr { 201f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love __u8 srr_op; /* opcode ELS_SRR */ 202f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love __u8 srr_resvd[3]; /* opcode / reserved - must be zero */ 203f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love __be16 srr_ox_id; /* OX_ID of failed command */ 204f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love __be16 srr_rx_id; /* RX_ID of failed command */ 205f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love __be32 srr_rel_off; /* relative offset */ 206f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love __u8 srr_r_ctl; /* r_ctl for the information unit */ 207f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love __u8 srr_resvd2[3]; /* reserved */ 208f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love}; 209f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love 210ab593b187391bdd03ccad2968972a2e118a88cd4Joe Eykholt/* 211ab593b187391bdd03ccad2968972a2e118a88cd4Joe Eykholt * Feature bits in name server FC-4 Features object. 212ab593b187391bdd03ccad2968972a2e118a88cd4Joe Eykholt */ 213ab593b187391bdd03ccad2968972a2e118a88cd4Joe Eykholt#define FCP_FEAT_TARG (1 << 0) /* target function supported */ 214ab593b187391bdd03ccad2968972a2e118a88cd4Joe Eykholt#define FCP_FEAT_INIT (1 << 1) /* initiator function supported */ 215ab593b187391bdd03ccad2968972a2e118a88cd4Joe Eykholt 216f032c2f7cdaae0e8907cd3b26426fc651dc5c275Robert Love#endif /* _FC_FCP_H_ */ 217