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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*
*
* Copyright 2009 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
/*
* SAS Common Structures and Definitions
* sas2r14, simplified/reduced
*/
#ifndef _SAS_H
#define _SAS_H
#ifdef __cplusplus
extern "C" {
#endif
#include <sys/sysmacros.h>
/*
* SAS Address Frames
* Trailing 4 byte CRC not included.
*/
typedef struct {
DECL_BITFIELD3(
address_frame_type :4,
device_type :3,
reserved0 :1);
DECL_BITFIELD2(
reason :4,
reserved1 :4);
DECL_BITFIELD5(
restricted0 :1,
smp_ini_port :1,
stp_ini_port :1,
ssp_ini_port :1,
reserved2 :4);
DECL_BITFIELD5(
restricted1 :1,
smp_tgt_port :1,
stp_tgt_port :1,
ssp_tgt_port :1,
reserved3 :4);
uint8_t device_name[8];
uint8_t sas_address[8];
uint8_t phy_identifier;
DECL_BITFIELD4(
break_reply_capable :1,
requested_inside_zpsds :1,
inside_zpsds_persistent :1,
reserved4 :5);
uint8_t reserved5[6];
} sas_identify_af_t;
typedef struct {
DECL_BITFIELD3(
address_frame_type :4,
protocol :3,
ini_port :1);
DECL_BITFIELD2(
connection_rate :4,
features :4);
uint16_t itag; /* initiator connection tag */
uint8_t sas_dst[8]; /* destination sas address */
uint8_t sas_src[8]; /* source sas address */
uint8_t src_zone_group; /* source zone group */
uint8_t path_block_count; /* pathway blocked count */
uint16_t arb_wait_time; /* arbitration wait time */
uint8_t compat[4]; /* 'more' compatible features */
} sas_open_af_t;
#define SAS_AF_IDENTIFY 0
#define SAS_AF_OPEN 1
#define SAS_IF_DTYPE_ENDPOINT 1
#define SAS_IF_DTYPE_EDGE 2
#define SAS_IF_DTYPE_FANOUT 3 /* obsolete */
#define SAS_OF_PROTO_SMP 0
#define SAS_OF_PROTO_SSP 1
#define SAS_OF_PROTO_STP 2
#define SAS_SSP_SUPPORT 0x8
#define SAS_STP_SUPPORT 0x4
#define SAS_SMP_SUPPORT 0x2
#define SAS_CONNRATE_1_5_GBPS 0x8
#define SAS_CONNRATE_3_0_GBPS 0x9
#define SAS_CONNRATE_6_0_GBPS 0xA
#define SAS_SATA_SUPPORT 0x1
#define SAS_ATTACHED_NAME_OFFSET 52 /* SAS-2 only */
/*
* SSP Definitions
*/
typedef struct {
uint8_t lun[8];
uint8_t reserved0;
DECL_BITFIELD3(
task_attribute :2,
command_priority :4,
enable_first_burst :1);
uint8_t reserved1;
DECL_BITFIELD2(
reserved2 :2,
addi_cdb_len :6);
uint8_t cdb[16];
/* additional cdb bytes go here, followed by 4 byte CRC */
} sas_ssp_cmd_iu_t;
#define SAS_CMD_TASK_ATTR_SIMPLE 0x00
#define SAS_CMD_TASK_ATTR_HEAD 0x01
#define SAS_CMD_TASK_ATTR_ORDERED 0x02
#define SAS_CMD_TASK_ATTR_ACA 0x04
typedef struct {
uint8_t reserved0[8];
uint16_t status_qualifier;
DECL_BITFIELD2(
datapres :2,
reserved1 :6);
uint8_t status;
uint8_t reserved2[4];
uint32_t sense_data_length;
uint32_t response_data_length;
uint8_t rspd[];
/* response data followed by sense data goes here */
} sas_ssp_rsp_iu_t;
/* length of bytes up to response data */
#define SAS_RSP_HDR_SIZE 24
#define SAS_RSP_DATAPRES_NO_DATA 0x00
#define SAS_RSP_DATAPRES_RESPONSE_DATA 0x01
#define SAS_RSP_DATAPRES_SENSE_DATA 0x02
/*
* When the RSP IU is type RESPONSE_DATA,
* the first 4 bytes of response data should
* be a Big Endian representation of one of
* these codes.
*/
#define SAS_RSP_TMF_COMPLETE 0x00
#define SAS_RSP_INVALID_FRAME 0x02
#define SAS_RSP_TMF_NOT_SUPPORTED 0x04
#define SAS_RSP_TMF_FAILED 0x05
#define SAS_RSP_TMF_SUCCEEDED 0x08
#define SAS_RSP_TMF_INCORRECT_LUN 0x09
#define SAS_RSP_OVERLAPPED_OIPTTA 0x0A
/*
* Task Management Functions- should be in a SAM definition file
*/
#define SAS_ABORT_TASK 0x01
#define SAS_ABORT_TASK_SET 0x02
#define SAS_CLEAR_TASK_SET 0x04
#define SAS_LOGICAL_UNIT_RESET 0x08
#define SAS_I_T_NEXUS_RESET 0x10
#define SAS_CLEAR_ACA 0x40
#define SAS_QUERY_TASK 0x80
#define SAS_QUERY_TASK_SET 0x81
#define SAS_QUERY_UNIT_ATTENTION 0x82
/*
* PHY size changed from SAS1.1 to SAS2.
*/
#define SAS_PHYNUM_MAX 127
#define SAS_PHYNUM_MASK 0x7f
#define SAS2_PHYNUM_MAX 254
#define SAS2_PHYNUM_MASK 0xff
/*
* Maximum SMP payload size, including CRC
*/
#define SAS_SMP_MAX_PAYLOAD 1032
#ifdef __cplusplus
}
#endif
#endif /* _SAS_H */
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