+++ /dev/null
-/*
- * SAS structures and definitions header file
- *
- * Copyright (C) 2005 Adaptec, Inc. All rights reserved.
- * Copyright (C) 2005 Luben Tuikov <luben_tuikov@adaptec.com>
- *
- * This file is licensed under GPLv2.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
- * USA
- *
- */
-
-#ifndef _SAS_H_
-#define _SAS_H_
-
-#include <linux/types.h>
-#include <asm/byteorder.h>
-
-#define SAS_ADDR_SIZE 8
-#define HASHED_SAS_ADDR_SIZE 3
-#define SAS_ADDR(_sa) ((unsigned long long) be64_to_cpu(*(__be64 *)(_sa)))
-
-#define SMP_REQUEST 0x40
-#define SMP_RESPONSE 0x41
-
-#define SSP_DATA 0x01
-#define SSP_XFER_RDY 0x05
-#define SSP_COMMAND 0x06
-#define SSP_RESPONSE 0x07
-#define SSP_TASK 0x16
-
-#define SMP_REPORT_GENERAL 0x00
-#define SMP_REPORT_MANUF_INFO 0x01
-#define SMP_READ_GPIO_REG 0x02
-#define SMP_DISCOVER 0x10
-#define SMP_REPORT_PHY_ERR_LOG 0x11
-#define SMP_REPORT_PHY_SATA 0x12
-#define SMP_REPORT_ROUTE_INFO 0x13
-#define SMP_WRITE_GPIO_REG 0x82
-#define SMP_CONF_ROUTE_INFO 0x90
-#define SMP_PHY_CONTROL 0x91
-#define SMP_PHY_TEST_FUNCTION 0x92
-
-#define SMP_RESP_FUNC_ACC 0x00
-#define SMP_RESP_FUNC_UNK 0x01
-#define SMP_RESP_FUNC_FAILED 0x02
-#define SMP_RESP_INV_FRM_LEN 0x03
-#define SMP_RESP_NO_PHY 0x10
-#define SMP_RESP_NO_INDEX 0x11
-#define SMP_RESP_PHY_NO_SATA 0x12
-#define SMP_RESP_PHY_UNK_OP 0x13
-#define SMP_RESP_PHY_UNK_TESTF 0x14
-#define SMP_RESP_PHY_TEST_INPROG 0x15
-#define SMP_RESP_PHY_VACANT 0x16
-
-/* SAM TMFs */
-#define TMF_ABORT_TASK 0x01
-#define TMF_ABORT_TASK_SET 0x02
-#define TMF_CLEAR_TASK_SET 0x04
-#define TMF_LU_RESET 0x08
-#define TMF_CLEAR_ACA 0x40
-#define TMF_QUERY_TASK 0x80
-
-/* SAS TMF responses */
-#define TMF_RESP_FUNC_COMPLETE 0x00
-#define TMF_RESP_INVALID_FRAME 0x02
-#define TMF_RESP_FUNC_ESUPP 0x04
-#define TMF_RESP_FUNC_FAILED 0x05
-#define TMF_RESP_FUNC_SUCC 0x08
-#define TMF_RESP_NO_LUN 0x09
-#define TMF_RESP_OVERLAPPED_TAG 0x0A
-
-enum sas_oob_mode {
- OOB_NOT_CONNECTED,
- SATA_OOB_MODE,
- SAS_OOB_MODE
-};
-
-/* See sas_discover.c if you plan on changing these.
- */
-enum sas_dev_type {
- NO_DEVICE = 0, /* protocol */
- SAS_END_DEV = 1, /* protocol */
- EDGE_DEV = 2, /* protocol */
- FANOUT_DEV = 3, /* protocol */
- SAS_HA = 4,
- SATA_DEV = 5,
- SATA_PM = 7,
- SATA_PM_PORT= 8,
-};
-
-enum sas_protocol {
- SAS_PROTOCOL_SATA = 0x01,
- SAS_PROTOCOL_SMP = 0x02,
- SAS_PROTOCOL_STP = 0x04,
- SAS_PROTOCOL_SSP = 0x08,
- SAS_PROTOCOL_ALL = 0x0E,
-};
-
-/* From the spec; local phys only */
-enum phy_func {
- PHY_FUNC_NOP,
- PHY_FUNC_LINK_RESET, /* Enables the phy */
- PHY_FUNC_HARD_RESET,
- PHY_FUNC_DISABLE,
- PHY_FUNC_CLEAR_ERROR_LOG = 5,
- PHY_FUNC_CLEAR_AFFIL,
- PHY_FUNC_TX_SATA_PS_SIGNAL,
- PHY_FUNC_RELEASE_SPINUP_HOLD = 0x10, /* LOCAL PORT ONLY! */
- PHY_FUNC_SET_LINK_RATE,
-};
-
-/* SAS LLDD would need to report only _very_few_ of those, like BROADCAST.
- * Most of those are here for completeness.
- */
-enum sas_prim {
- SAS_PRIM_AIP_NORMAL = 1,
- SAS_PRIM_AIP_R0 = 2,
- SAS_PRIM_AIP_R1 = 3,
- SAS_PRIM_AIP_R2 = 4,
- SAS_PRIM_AIP_WC = 5,
- SAS_PRIM_AIP_WD = 6,
- SAS_PRIM_AIP_WP = 7,
- SAS_PRIM_AIP_RWP = 8,
-
- SAS_PRIM_BC_CH = 9,
- SAS_PRIM_BC_RCH0 = 10,
- SAS_PRIM_BC_RCH1 = 11,
- SAS_PRIM_BC_R0 = 12,
- SAS_PRIM_BC_R1 = 13,
- SAS_PRIM_BC_R2 = 14,
- SAS_PRIM_BC_R3 = 15,
- SAS_PRIM_BC_R4 = 16,
-
- SAS_PRIM_NOTIFY_ENSP= 17,
- SAS_PRIM_NOTIFY_R0 = 18,
- SAS_PRIM_NOTIFY_R1 = 19,
- SAS_PRIM_NOTIFY_R2 = 20,
-
- SAS_PRIM_CLOSE_CLAF = 21,
- SAS_PRIM_CLOSE_NORM = 22,
- SAS_PRIM_CLOSE_R0 = 23,
- SAS_PRIM_CLOSE_R1 = 24,
-
- SAS_PRIM_OPEN_RTRY = 25,
- SAS_PRIM_OPEN_RJCT = 26,
- SAS_PRIM_OPEN_ACPT = 27,
-
- SAS_PRIM_DONE = 28,
- SAS_PRIM_BREAK = 29,
-
- SATA_PRIM_DMAT = 33,
- SATA_PRIM_PMNAK = 34,
- SATA_PRIM_PMACK = 35,
- SATA_PRIM_PMREQ_S = 36,
- SATA_PRIM_PMREQ_P = 37,
- SATA_SATA_R_ERR = 38,
-};
-
-enum sas_open_rej_reason {
- /* Abandon open */
- SAS_OREJ_UNKNOWN = 0,
- SAS_OREJ_BAD_DEST = 1,
- SAS_OREJ_CONN_RATE = 2,
- SAS_OREJ_EPROTO = 3,
- SAS_OREJ_RESV_AB0 = 4,
- SAS_OREJ_RESV_AB1 = 5,
- SAS_OREJ_RESV_AB2 = 6,
- SAS_OREJ_RESV_AB3 = 7,
- SAS_OREJ_WRONG_DEST= 8,
- SAS_OREJ_STP_NORES = 9,
-
- /* Retry open */
- SAS_OREJ_NO_DEST = 10,
- SAS_OREJ_PATH_BLOCKED = 11,
- SAS_OREJ_RSVD_CONT0 = 12,
- SAS_OREJ_RSVD_CONT1 = 13,
- SAS_OREJ_RSVD_INIT0 = 14,
- SAS_OREJ_RSVD_INIT1 = 15,
- SAS_OREJ_RSVD_STOP0 = 16,
- SAS_OREJ_RSVD_STOP1 = 17,
- SAS_OREJ_RSVD_RETRY = 18,
-};
-
-struct dev_to_host_fis {
- u8 fis_type; /* 0x34 */
- u8 flags;
- u8 status;
- u8 error;
-
- u8 lbal;
- union { u8 lbam; u8 byte_count_low; };
- union { u8 lbah; u8 byte_count_high; };
- u8 device;
-
- u8 lbal_exp;
- u8 lbam_exp;
- u8 lbah_exp;
- u8 _r_a;
-
- union { u8 sector_count; u8 interrupt_reason; };
- u8 sector_count_exp;
- u8 _r_b;
- u8 _r_c;
-
- u32 _r_d;
-} __attribute__ ((packed));
-
-struct host_to_dev_fis {
- u8 fis_type; /* 0x27 */
- u8 flags;
- u8 command;
- u8 features;
-
- u8 lbal;
- union { u8 lbam; u8 byte_count_low; };
- union { u8 lbah; u8 byte_count_high; };
- u8 device;
-
- u8 lbal_exp;
- u8 lbam_exp;
- u8 lbah_exp;
- u8 features_exp;
-
- union { u8 sector_count; u8 interrupt_reason; };
- u8 sector_count_exp;
- u8 _r_a;
- u8 control;
-
- u32 _r_b;
-} __attribute__ ((packed));
-
-/* Prefer to have code clarity over header file clarity.
- */
-#ifdef __LITTLE_ENDIAN_BITFIELD
-struct sas_identify_frame {
- /* Byte 0 */
- u8 frame_type:4;
- u8 dev_type:3;
- u8 _un0:1;
-
- /* Byte 1 */
- u8 _un1;
-
- /* Byte 2 */
- union {
- struct {
- u8 _un20:1;
- u8 smp_iport:1;
- u8 stp_iport:1;
- u8 ssp_iport:1;
- u8 _un247:4;
- };
- u8 initiator_bits;
- };
-
- /* Byte 3 */
- union {
- struct {
- u8 _un30:1;
- u8 smp_tport:1;
- u8 stp_tport:1;
- u8 ssp_tport:1;
- u8 _un347:4;
- };
- 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 changing_data_ptr:1;
- u8 retransmit:1;
- u8 retry_data_frames:1;
- u8 _r_c:5;
-
- u8 num_fill_bytes:2;
- u8 _r_d:6;
-
- u32 _r_e;
- __be16 tag;
- __be16 tptt;
- __be32 data_offs;
-} __attribute__ ((packed));
-
-struct ssp_response_iu {
- u8 _r_a[10];
-
- u8 datapres:2;
- u8 _r_b:6;
-
- u8 status;
-
- u32 _r_c;
-
- __be32 sense_data_len;
- __be32 response_data_len;
-
- u8 resp_data[0];
- u8 sense_data[0];
-} __attribute__ ((packed));
-
-/* ---------- SMP ---------- */
-
-struct report_general_resp {
- __be16 change_count;
- __be16 route_indexes;
- u8 _r_a;
- u8 num_phys;
-
- u8 conf_route_table:1;
- u8 configuring:1;
- u8 _r_b:6;
-
- 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_c:4;
- u8 attached_dev_type:3;
- u8 _r_d:1;
-
- u8 linkrate:4;
- u8 _r_e:4;
-
- u8 attached_sata_host:1;
- u8 iproto:3;
- u8 _r_f:4;
-
- u8 attached_sata_dev:1;
- u8 tproto:3;
- u8 _r_g:3;
- u8 attached_sata_ps:1;
-
- u8 sas_addr[8];
- u8 attached_sas_addr[8];
- u8 attached_phy_id;
-
- u8 _r_h[7];
-
- u8 hmin_linkrate:4;
- u8 pmin_linkrate:4;
- u8 hmax_linkrate:4;
- u8 pmax_linkrate:4;
-
- u8 change_count;
-
- u8 pptv:4;
- u8 _r_i:3;
- u8 virtual:1;
-
- u8 routing_attr:4;
- u8 _r_j: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 affil_valid:1;
- u8 affil_supp:1;
- u8 _r_c:6;
-
- 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));
-
-#elif defined(__BIG_ENDIAN_BITFIELD)
-struct sas_identify_frame {
- /* Byte 0 */
- u8 _un0:1;
- u8 dev_type:3;
- u8 frame_type:4;
-
- /* Byte 1 */
- u8 _un1;
-
- /* Byte 2 */
- union {
- struct {
- u8 _un247:4;
- u8 ssp_iport:1;
- u8 stp_iport:1;
- u8 smp_iport:1;
- u8 _un20:1;
- };
- u8 initiator_bits;
- };
-
- /* Byte 3 */
- union {
- struct {
- u8 _un347:4;
- u8 ssp_tport:1;
- u8 stp_tport:1;
- u8 smp_tport:1;
- 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));
-
-/* ---------- SMP ---------- */
-
-struct report_general_resp {
- __be16 change_count;
- __be16 route_indexes;
- u8 _r_a;
- u8 num_phys;
-
- u8 _r_b:6;
- 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_ */
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