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c15d75bec6
The xfer_rdy, command, and task frame's iu structures are not available in <scsi/sas.h>, but only aic94xx driver folder. Add them to include/scsi/sas.h Signed-off-by: John Garry <john.garry@huawei.com> Reviewed-by: Arnd Bergmann <arnd@arndb.de> Reviewed-by: Hannes Reinecke <hare@suse.de> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
727 lines
13 KiB
C
727 lines
13 KiB
C
/*
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* SAS structures and definitions header file
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*
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* Copyright (C) 2005 Adaptec, Inc. All rights reserved.
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* Copyright (C) 2005 Luben Tuikov <luben_tuikov@adaptec.com>
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*
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* This file is licensed under GPLv2.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
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* USA
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*
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*/
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#ifndef _SAS_H_
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#define _SAS_H_
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#include <linux/types.h>
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#include <asm/byteorder.h>
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#define SAS_ADDR_SIZE 8
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#define HASHED_SAS_ADDR_SIZE 3
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#define SAS_ADDR(_sa) ((unsigned long long) be64_to_cpu(*(__be64 *)(_sa)))
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#define SMP_REQUEST 0x40
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#define SMP_RESPONSE 0x41
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#define SSP_DATA 0x01
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#define SSP_XFER_RDY 0x05
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#define SSP_COMMAND 0x06
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#define SSP_RESPONSE 0x07
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#define SSP_TASK 0x16
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#define SMP_REPORT_GENERAL 0x00
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#define SMP_REPORT_MANUF_INFO 0x01
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#define SMP_READ_GPIO_REG 0x02
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#define SMP_DISCOVER 0x10
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#define SMP_REPORT_PHY_ERR_LOG 0x11
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#define SMP_REPORT_PHY_SATA 0x12
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#define SMP_REPORT_ROUTE_INFO 0x13
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#define SMP_WRITE_GPIO_REG 0x82
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#define SMP_CONF_ROUTE_INFO 0x90
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#define SMP_PHY_CONTROL 0x91
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#define SMP_PHY_TEST_FUNCTION 0x92
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#define SMP_RESP_FUNC_ACC 0x00
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#define SMP_RESP_FUNC_UNK 0x01
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#define SMP_RESP_FUNC_FAILED 0x02
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#define SMP_RESP_INV_FRM_LEN 0x03
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#define SMP_RESP_NO_PHY 0x10
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#define SMP_RESP_NO_INDEX 0x11
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#define SMP_RESP_PHY_NO_SATA 0x12
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#define SMP_RESP_PHY_UNK_OP 0x13
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#define SMP_RESP_PHY_UNK_TESTF 0x14
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#define SMP_RESP_PHY_TEST_INPROG 0x15
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#define SMP_RESP_PHY_VACANT 0x16
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/* SAM TMFs */
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#define TMF_ABORT_TASK 0x01
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#define TMF_ABORT_TASK_SET 0x02
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#define TMF_CLEAR_TASK_SET 0x04
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#define TMF_LU_RESET 0x08
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#define TMF_CLEAR_ACA 0x40
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#define TMF_QUERY_TASK 0x80
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/* SAS TMF responses */
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#define TMF_RESP_FUNC_COMPLETE 0x00
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#define TMF_RESP_INVALID_FRAME 0x02
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#define TMF_RESP_FUNC_ESUPP 0x04
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#define TMF_RESP_FUNC_FAILED 0x05
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#define TMF_RESP_FUNC_SUCC 0x08
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#define TMF_RESP_NO_LUN 0x09
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#define TMF_RESP_OVERLAPPED_TAG 0x0A
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enum sas_oob_mode {
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OOB_NOT_CONNECTED,
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SATA_OOB_MODE,
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SAS_OOB_MODE
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};
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/* See sas_discover.c if you plan on changing these */
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enum sas_device_type {
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/* these are SAS protocol defined (attached device type field) */
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SAS_PHY_UNUSED = 0,
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SAS_END_DEVICE = 1,
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SAS_EDGE_EXPANDER_DEVICE = 2,
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SAS_FANOUT_EXPANDER_DEVICE = 3,
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/* these are internal to libsas */
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SAS_HA = 4,
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SAS_SATA_DEV = 5,
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SAS_SATA_PM = 7,
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SAS_SATA_PM_PORT = 8,
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SAS_SATA_PENDING = 9,
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};
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enum sas_protocol {
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SAS_PROTOCOL_NONE = 0,
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SAS_PROTOCOL_SATA = 0x01,
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SAS_PROTOCOL_SMP = 0x02,
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SAS_PROTOCOL_STP = 0x04,
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SAS_PROTOCOL_SSP = 0x08,
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SAS_PROTOCOL_ALL = 0x0E,
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SAS_PROTOCOL_STP_ALL = SAS_PROTOCOL_STP|SAS_PROTOCOL_SATA,
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};
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/* From the spec; local phys only */
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enum phy_func {
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PHY_FUNC_NOP,
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PHY_FUNC_LINK_RESET, /* Enables the phy */
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PHY_FUNC_HARD_RESET,
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PHY_FUNC_DISABLE,
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PHY_FUNC_CLEAR_ERROR_LOG = 5,
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PHY_FUNC_CLEAR_AFFIL,
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PHY_FUNC_TX_SATA_PS_SIGNAL,
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PHY_FUNC_RELEASE_SPINUP_HOLD = 0x10, /* LOCAL PORT ONLY! */
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PHY_FUNC_SET_LINK_RATE,
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PHY_FUNC_GET_EVENTS,
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};
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/* SAS LLDD would need to report only _very_few_ of those, like BROADCAST.
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* Most of those are here for completeness.
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*/
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enum sas_prim {
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SAS_PRIM_AIP_NORMAL = 1,
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SAS_PRIM_AIP_R0 = 2,
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SAS_PRIM_AIP_R1 = 3,
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SAS_PRIM_AIP_R2 = 4,
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SAS_PRIM_AIP_WC = 5,
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SAS_PRIM_AIP_WD = 6,
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SAS_PRIM_AIP_WP = 7,
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SAS_PRIM_AIP_RWP = 8,
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SAS_PRIM_BC_CH = 9,
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SAS_PRIM_BC_RCH0 = 10,
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SAS_PRIM_BC_RCH1 = 11,
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SAS_PRIM_BC_R0 = 12,
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SAS_PRIM_BC_R1 = 13,
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SAS_PRIM_BC_R2 = 14,
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SAS_PRIM_BC_R3 = 15,
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SAS_PRIM_BC_R4 = 16,
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SAS_PRIM_NOTIFY_ENSP= 17,
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SAS_PRIM_NOTIFY_R0 = 18,
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SAS_PRIM_NOTIFY_R1 = 19,
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SAS_PRIM_NOTIFY_R2 = 20,
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SAS_PRIM_CLOSE_CLAF = 21,
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SAS_PRIM_CLOSE_NORM = 22,
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SAS_PRIM_CLOSE_R0 = 23,
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SAS_PRIM_CLOSE_R1 = 24,
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SAS_PRIM_OPEN_RTRY = 25,
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SAS_PRIM_OPEN_RJCT = 26,
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SAS_PRIM_OPEN_ACPT = 27,
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SAS_PRIM_DONE = 28,
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SAS_PRIM_BREAK = 29,
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SATA_PRIM_DMAT = 33,
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SATA_PRIM_PMNAK = 34,
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SATA_PRIM_PMACK = 35,
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SATA_PRIM_PMREQ_S = 36,
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SATA_PRIM_PMREQ_P = 37,
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SATA_SATA_R_ERR = 38,
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};
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enum sas_open_rej_reason {
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/* Abandon open */
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SAS_OREJ_UNKNOWN = 0,
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SAS_OREJ_BAD_DEST = 1,
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SAS_OREJ_CONN_RATE = 2,
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SAS_OREJ_EPROTO = 3,
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SAS_OREJ_RESV_AB0 = 4,
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SAS_OREJ_RESV_AB1 = 5,
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SAS_OREJ_RESV_AB2 = 6,
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SAS_OREJ_RESV_AB3 = 7,
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SAS_OREJ_WRONG_DEST= 8,
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SAS_OREJ_STP_NORES = 9,
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/* Retry open */
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SAS_OREJ_NO_DEST = 10,
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SAS_OREJ_PATH_BLOCKED = 11,
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SAS_OREJ_RSVD_CONT0 = 12,
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SAS_OREJ_RSVD_CONT1 = 13,
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SAS_OREJ_RSVD_INIT0 = 14,
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SAS_OREJ_RSVD_INIT1 = 15,
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SAS_OREJ_RSVD_STOP0 = 16,
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SAS_OREJ_RSVD_STOP1 = 17,
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SAS_OREJ_RSVD_RETRY = 18,
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};
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enum sas_gpio_reg_type {
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SAS_GPIO_REG_CFG = 0,
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SAS_GPIO_REG_RX = 1,
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SAS_GPIO_REG_RX_GP = 2,
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SAS_GPIO_REG_TX = 3,
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SAS_GPIO_REG_TX_GP = 4,
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};
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struct dev_to_host_fis {
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u8 fis_type; /* 0x34 */
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u8 flags;
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u8 status;
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u8 error;
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u8 lbal;
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union { u8 lbam; u8 byte_count_low; };
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union { u8 lbah; u8 byte_count_high; };
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u8 device;
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u8 lbal_exp;
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u8 lbam_exp;
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u8 lbah_exp;
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u8 _r_a;
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union { u8 sector_count; u8 interrupt_reason; };
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u8 sector_count_exp;
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u8 _r_b;
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u8 _r_c;
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u32 _r_d;
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} __attribute__ ((packed));
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struct host_to_dev_fis {
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u8 fis_type; /* 0x27 */
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u8 flags;
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u8 command;
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u8 features;
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u8 lbal;
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union { u8 lbam; u8 byte_count_low; };
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union { u8 lbah; u8 byte_count_high; };
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u8 device;
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u8 lbal_exp;
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u8 lbam_exp;
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u8 lbah_exp;
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u8 features_exp;
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union { u8 sector_count; u8 interrupt_reason; };
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u8 sector_count_exp;
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u8 _r_a;
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u8 control;
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u32 _r_b;
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} __attribute__ ((packed));
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/* Prefer to have code clarity over header file clarity.
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*/
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#ifdef __LITTLE_ENDIAN_BITFIELD
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struct sas_identify_frame {
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/* Byte 0 */
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u8 frame_type:4;
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u8 dev_type:3;
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u8 _un0:1;
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/* Byte 1 */
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u8 _un1;
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/* Byte 2 */
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union {
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struct {
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u8 _un20:1;
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u8 smp_iport:1;
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u8 stp_iport:1;
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u8 ssp_iport:1;
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u8 _un247:4;
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};
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u8 initiator_bits;
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};
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/* Byte 3 */
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union {
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struct {
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u8 _un30:1;
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u8 smp_tport:1;
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u8 stp_tport:1;
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u8 ssp_tport:1;
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u8 _un347:4;
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};
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u8 target_bits;
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};
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/* Byte 4 - 11 */
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u8 _un4_11[8];
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/* Byte 12 - 19 */
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u8 sas_addr[SAS_ADDR_SIZE];
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/* Byte 20 */
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u8 phy_id;
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u8 _un21_27[7];
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__be32 crc;
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} __attribute__ ((packed));
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struct ssp_frame_hdr {
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u8 frame_type;
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u8 hashed_dest_addr[HASHED_SAS_ADDR_SIZE];
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u8 _r_a;
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u8 hashed_src_addr[HASHED_SAS_ADDR_SIZE];
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__be16 _r_b;
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u8 changing_data_ptr:1;
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u8 retransmit:1;
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u8 retry_data_frames:1;
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u8 _r_c:5;
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u8 num_fill_bytes:2;
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u8 _r_d:6;
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u32 _r_e;
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__be16 tag;
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__be16 tptt;
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__be32 data_offs;
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} __attribute__ ((packed));
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struct ssp_response_iu {
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u8 _r_a[10];
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u8 datapres:2;
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u8 _r_b:6;
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u8 status;
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u32 _r_c;
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__be32 sense_data_len;
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__be32 response_data_len;
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u8 resp_data[0];
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u8 sense_data[0];
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} __attribute__ ((packed));
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struct ssp_command_iu {
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u8 lun[8];
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u8 _r_a;
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union {
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struct {
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u8 attr:3;
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u8 prio:4;
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u8 efb:1;
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};
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u8 efb_prio_attr;
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};
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u8 _r_b;
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u8 _r_c:2;
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u8 add_cdb_len:6;
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u8 cdb[16];
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u8 add_cdb[0];
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} __attribute__ ((packed));
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struct xfer_rdy_iu {
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__be32 requested_offset;
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__be32 write_data_len;
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__be32 _r_a;
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} __attribute__ ((packed));
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struct ssp_tmf_iu {
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u8 lun[8];
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u16 _r_a;
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u8 tmf;
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u8 _r_b;
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__be16 tag;
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u8 _r_c[14];
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} __attribute__ ((packed));
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/* ---------- SMP ---------- */
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struct report_general_resp {
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__be16 change_count;
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__be16 route_indexes;
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u8 _r_a;
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u8 num_phys;
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u8 conf_route_table:1;
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u8 configuring:1;
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u8 config_others:1;
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u8 orej_retry_supp:1;
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u8 stp_cont_awt:1;
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u8 self_config:1;
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u8 zone_config:1;
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u8 t2t_supp:1;
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u8 _r_c;
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u8 enclosure_logical_id[8];
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u8 _r_d[12];
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} __attribute__ ((packed));
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struct discover_resp {
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u8 _r_a[5];
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u8 phy_id;
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__be16 _r_b;
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u8 _r_c:4;
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u8 attached_dev_type:3;
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u8 _r_d:1;
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u8 linkrate:4;
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u8 _r_e:4;
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u8 attached_sata_host:1;
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u8 iproto:3;
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u8 _r_f:4;
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u8 attached_sata_dev:1;
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u8 tproto:3;
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u8 _r_g:3;
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u8 attached_sata_ps:1;
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u8 sas_addr[8];
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u8 attached_sas_addr[8];
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u8 attached_phy_id;
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u8 _r_h[7];
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u8 hmin_linkrate:4;
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u8 pmin_linkrate:4;
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u8 hmax_linkrate:4;
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u8 pmax_linkrate:4;
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u8 change_count;
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u8 pptv:4;
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u8 _r_i:3;
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u8 virtual:1;
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u8 routing_attr:4;
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u8 _r_j:4;
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u8 conn_type;
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u8 conn_el_index;
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u8 conn_phy_link;
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u8 _r_k[8];
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} __attribute__ ((packed));
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struct report_phy_sata_resp {
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u8 _r_a[5];
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u8 phy_id;
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u8 _r_b;
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u8 affil_valid:1;
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u8 affil_supp:1;
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u8 _r_c:6;
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u32 _r_d;
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u8 stp_sas_addr[8];
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struct dev_to_host_fis fis;
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u32 _r_e;
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u8 affil_stp_ini_addr[8];
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__be32 crc;
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} __attribute__ ((packed));
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struct smp_resp {
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u8 frame_type;
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u8 function;
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u8 result;
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u8 reserved;
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union {
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struct report_general_resp rg;
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struct discover_resp disc;
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struct report_phy_sata_resp rps;
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};
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} __attribute__ ((packed));
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#elif defined(__BIG_ENDIAN_BITFIELD)
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struct sas_identify_frame {
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/* Byte 0 */
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u8 _un0:1;
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u8 dev_type:3;
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u8 frame_type:4;
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/* Byte 1 */
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u8 _un1;
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/* Byte 2 */
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union {
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struct {
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u8 _un247:4;
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u8 ssp_iport:1;
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u8 stp_iport:1;
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u8 smp_iport:1;
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u8 _un20:1;
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};
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u8 initiator_bits;
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};
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/* Byte 3 */
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union {
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struct {
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u8 _un347:4;
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u8 ssp_tport:1;
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u8 stp_tport:1;
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u8 smp_tport:1;
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u8 _un30:1;
|
|
};
|
|
u8 target_bits;
|
|
};
|
|
|
|
/* Byte 4 - 11 */
|
|
u8 _un4_11[8];
|
|
|
|
/* Byte 12 - 19 */
|
|
u8 sas_addr[SAS_ADDR_SIZE];
|
|
|
|
/* Byte 20 */
|
|
u8 phy_id;
|
|
|
|
u8 _un21_27[7];
|
|
|
|
__be32 crc;
|
|
} __attribute__ ((packed));
|
|
|
|
struct ssp_frame_hdr {
|
|
u8 frame_type;
|
|
u8 hashed_dest_addr[HASHED_SAS_ADDR_SIZE];
|
|
u8 _r_a;
|
|
u8 hashed_src_addr[HASHED_SAS_ADDR_SIZE];
|
|
__be16 _r_b;
|
|
|
|
u8 _r_c:5;
|
|
u8 retry_data_frames:1;
|
|
u8 retransmit:1;
|
|
u8 changing_data_ptr:1;
|
|
|
|
u8 _r_d:6;
|
|
u8 num_fill_bytes:2;
|
|
|
|
u32 _r_e;
|
|
__be16 tag;
|
|
__be16 tptt;
|
|
__be32 data_offs;
|
|
} __attribute__ ((packed));
|
|
|
|
struct ssp_response_iu {
|
|
u8 _r_a[10];
|
|
|
|
u8 _r_b:6;
|
|
u8 datapres:2;
|
|
|
|
u8 status;
|
|
|
|
u32 _r_c;
|
|
|
|
__be32 sense_data_len;
|
|
__be32 response_data_len;
|
|
|
|
u8 resp_data[0];
|
|
u8 sense_data[0];
|
|
} __attribute__ ((packed));
|
|
|
|
struct ssp_command_iu {
|
|
u8 lun[8];
|
|
u8 _r_a;
|
|
|
|
union {
|
|
struct {
|
|
u8 efb:1;
|
|
u8 prio:4;
|
|
u8 attr:3;
|
|
};
|
|
u8 efb_prio_attr;
|
|
};
|
|
|
|
u8 _r_b;
|
|
|
|
u8 add_cdb_len:6;
|
|
u8 _r_c:2;
|
|
|
|
u8 cdb[16];
|
|
u8 add_cdb[0];
|
|
} __attribute__ ((packed));
|
|
|
|
struct xfer_rdy_iu {
|
|
__be32 requested_offset;
|
|
__be32 write_data_len;
|
|
__be32 _r_a;
|
|
} __attribute__ ((packed));
|
|
|
|
struct ssp_tmf_iu {
|
|
u8 lun[8];
|
|
u16 _r_a;
|
|
u8 tmf;
|
|
u8 _r_b;
|
|
__be16 tag;
|
|
u8 _r_c[14];
|
|
} __attribute__ ((packed));
|
|
|
|
/* ---------- SMP ---------- */
|
|
|
|
struct report_general_resp {
|
|
__be16 change_count;
|
|
__be16 route_indexes;
|
|
u8 _r_a;
|
|
u8 num_phys;
|
|
|
|
u8 t2t_supp:1;
|
|
u8 zone_config:1;
|
|
u8 self_config:1;
|
|
u8 stp_cont_awt:1;
|
|
u8 orej_retry_supp:1;
|
|
u8 config_others:1;
|
|
u8 configuring:1;
|
|
u8 conf_route_table:1;
|
|
|
|
u8 _r_c;
|
|
|
|
u8 enclosure_logical_id[8];
|
|
|
|
u8 _r_d[12];
|
|
} __attribute__ ((packed));
|
|
|
|
struct discover_resp {
|
|
u8 _r_a[5];
|
|
|
|
u8 phy_id;
|
|
__be16 _r_b;
|
|
|
|
u8 _r_d:1;
|
|
u8 attached_dev_type:3;
|
|
u8 _r_c:4;
|
|
|
|
u8 _r_e:4;
|
|
u8 linkrate:4;
|
|
|
|
u8 _r_f:4;
|
|
u8 iproto:3;
|
|
u8 attached_sata_host:1;
|
|
|
|
u8 attached_sata_ps:1;
|
|
u8 _r_g:3;
|
|
u8 tproto:3;
|
|
u8 attached_sata_dev:1;
|
|
|
|
u8 sas_addr[8];
|
|
u8 attached_sas_addr[8];
|
|
u8 attached_phy_id;
|
|
|
|
u8 _r_h[7];
|
|
|
|
u8 pmin_linkrate:4;
|
|
u8 hmin_linkrate:4;
|
|
u8 pmax_linkrate:4;
|
|
u8 hmax_linkrate:4;
|
|
|
|
u8 change_count;
|
|
|
|
u8 virtual:1;
|
|
u8 _r_i:3;
|
|
u8 pptv:4;
|
|
|
|
u8 _r_j:4;
|
|
u8 routing_attr:4;
|
|
|
|
u8 conn_type;
|
|
u8 conn_el_index;
|
|
u8 conn_phy_link;
|
|
|
|
u8 _r_k[8];
|
|
} __attribute__ ((packed));
|
|
|
|
struct report_phy_sata_resp {
|
|
u8 _r_a[5];
|
|
|
|
u8 phy_id;
|
|
u8 _r_b;
|
|
|
|
u8 _r_c:6;
|
|
u8 affil_supp:1;
|
|
u8 affil_valid:1;
|
|
|
|
u32 _r_d;
|
|
|
|
u8 stp_sas_addr[8];
|
|
|
|
struct dev_to_host_fis fis;
|
|
|
|
u32 _r_e;
|
|
|
|
u8 affil_stp_ini_addr[8];
|
|
|
|
__be32 crc;
|
|
} __attribute__ ((packed));
|
|
|
|
struct smp_resp {
|
|
u8 frame_type;
|
|
u8 function;
|
|
u8 result;
|
|
u8 reserved;
|
|
union {
|
|
struct report_general_resp rg;
|
|
struct discover_resp disc;
|
|
struct report_phy_sata_resp rps;
|
|
};
|
|
} __attribute__ ((packed));
|
|
|
|
#else
|
|
#error "Bitfield order not defined!"
|
|
#endif
|
|
|
|
#endif /* _SAS_H_ */
|