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/*
* sbp2.h - Defines and prototypes for sbp2.c
*
* Copyright (C) 2000 James Goodwin, Filanet Corporation (www.filanet.com)
* jamesg@filanet.com
*
* 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 SBP2_H
#define SBP2_H
#define SBP2_DEVICE_NAME "sbp2"
#define SBP2_DEVICE_NAME_SIZE 4
/*
* SBP2 specific structures and defines
*/
#define ORB_FMT_CMD 0x0
#define ORB_FMT_DUMMY 0x3
#define ORB_DIRECTION_WRITE_TO_MEDIA 0x0
#define ORB_DIRECTION_READ_FROM_MEDIA 0x1
#define ORB_DIRECTION_NO_DATA_TRANSFER 0x2
#define ORB_SET_NOTIFY(value) ((value & 0x1) << 31)
#define ORB_SET_RQ_FMT(value) ((value & 0x3) << 29)
#define ORB_SET_NODE_ID(value) ((value & 0xffff) << 16)
struct sbp2_dummy_orb {
volatile u32 next_ORB_hi;
volatile u32 next_ORB_lo;
u32 reserved1;
u32 reserved2;
u32 notify_rq_fmt;
u8 command_block[12];
};
#define ORB_SET_DATA_SIZE(value) (value & 0xffff)
#define ORB_SET_PAGE_SIZE(value) ((value & 0x7) << 16)
#define ORB_SET_PAGE_TABLE_PRESENT(value) ((value & 0x1) << 19)
#define ORB_SET_MAX_PAYLOAD(value) ((value & 0xf) << 20)
#define ORB_SET_SPEED(value) ((value & 0x7) << 24)
#define ORB_SET_DIRECTION(value) ((value & 0x1) << 27)
struct sbp2_command_orb {
volatile u32 next_ORB_hi;
volatile u32 next_ORB_lo;
u32 data_descriptor_hi;
u32 data_descriptor_lo;
u32 misc;
u8 cdb[12];
};
#define LOGIN_REQUEST 0x0
#define QUERY_LOGINS_REQUEST 0x1
#define RECONNECT_REQUEST 0x3
#define SET_PASSWORD_REQUEST 0x4
#define LOGOUT_REQUEST 0x7
#define ABORT_TASK_REQUEST 0xb
#define ABORT_TASK_SET 0xc
#define LOGICAL_UNIT_RESET 0xe
#define TARGET_RESET_REQUEST 0xf
#define ORB_SET_LUN(value) (value & 0xffff)
#define ORB_SET_FUNCTION(value) ((value & 0xf) << 16)
#define ORB_SET_RECONNECT(value) ((value & 0xf) << 20)
#define ORB_SET_EXCLUSIVE(value) ((value & 0x1) << 28)
#define ORB_SET_LOGIN_RESP_LENGTH(value) (value & 0xffff)
#define ORB_SET_PASSWD_LENGTH(value) ((value & 0xffff) << 16)
struct sbp2_login_orb {
u32 password_hi;
u32 password_lo;
u32 login_response_hi;
u32 login_response_lo;
u32 lun_misc;
u32 passwd_resp_lengths;
u32 status_FIFO_hi;
u32 status_FIFO_lo;
};
#define RESPONSE_GET_LOGIN_ID(value) (value & 0xffff)
#define RESPONSE_GET_LENGTH(value) ((value >> 16) & 0xffff)
#define RESPONSE_GET_RECONNECT_HOLD(value) (value & 0xffff)
struct sbp2_login_response {
u32 length_login_ID;
u32 command_block_agent_hi;
u32 command_block_agent_lo;
u32 reconnect_hold;
};
#define ORB_SET_LOGIN_ID(value) (value & 0xffff)
struct sbp2_reconnect_orb {
u32 reserved1;
u32 reserved2;
u32 reserved3;
u32 reserved4;
u32 login_ID_misc;
u32 reserved5;
u32 status_FIFO_hi;
u32 status_FIFO_lo;
};
struct sbp2_logout_orb {
u32 reserved1;
u32 reserved2;
u32 reserved3;
u32 reserved4;
u32 login_ID_misc;
u32 reserved5;
u32 status_FIFO_hi;
u32 status_FIFO_lo;
};
#define PAGE_TABLE_SET_SEGMENT_BASE_HI(value) (value & 0xffff)
#define PAGE_TABLE_SET_SEGMENT_LENGTH(value) ((value & 0xffff) << 16)
struct sbp2_unrestricted_page_table {
u32 length_segment_base_hi;
u32 segment_base_lo;
};
#define RESP_STATUS_REQUEST_COMPLETE 0x0
#define RESP_STATUS_TRANSPORT_FAILURE 0x1
#define RESP_STATUS_ILLEGAL_REQUEST 0x2
#define RESP_STATUS_VENDOR_DEPENDENT 0x3
#define SBP2_STATUS_NO_ADDITIONAL_INFO 0x0
#define SBP2_STATUS_REQ_TYPE_NOT_SUPPORTED 0x1
#define SBP2_STATUS_SPEED_NOT_SUPPORTED 0x2
#define SBP2_STATUS_PAGE_SIZE_NOT_SUPPORTED 0x3
#define SBP2_STATUS_ACCESS_DENIED 0x4
#define SBP2_STATUS_LU_NOT_SUPPORTED 0x5
#define SBP2_STATUS_MAX_PAYLOAD_TOO_SMALL 0x6
#define SBP2_STATUS_RESOURCES_UNAVAILABLE 0x8
#define SBP2_STATUS_FUNCTION_REJECTED 0x9
#define SBP2_STATUS_LOGIN_ID_NOT_RECOGNIZED 0xa
#define SBP2_STATUS_DUMMY_ORB_COMPLETED 0xb
#define SBP2_STATUS_REQUEST_ABORTED 0xc
#define SBP2_STATUS_UNSPECIFIED_ERROR 0xff
#define SFMT_CURRENT_ERROR 0x0
#define SFMT_DEFERRED_ERROR 0x1
#define SFMT_VENDOR_DEPENDENT_STATUS 0x3
#define SBP2_SCSI_STATUS_GOOD 0x0
#define SBP2_SCSI_STATUS_CHECK_CONDITION 0x2
#define SBP2_SCSI_STATUS_CONDITION_MET 0x4
#define SBP2_SCSI_STATUS_BUSY 0x8
#define SBP2_SCSI_STATUS_RESERVATION_CONFLICT 0x18
#define SBP2_SCSI_STATUS_COMMAND_TERMINATED 0x22
#define SBP2_SCSI_STATUS_SELECTION_TIMEOUT 0xff
#define STATUS_GET_ORB_OFFSET_HI(value) (value & 0xffff)
#define STATUS_GET_SBP_STATUS(value) ((value >> 16) & 0xff)
#define STATUS_GET_LENGTH(value) ((value >> 24) & 0x7)
#define STATUS_GET_DEAD_BIT(value) ((value >> 27) & 0x1)
#define STATUS_GET_RESP(value) ((value >> 28) & 0x3)
#define STATUS_GET_SRC(value) ((value >> 30) & 0x3)
struct sbp2_status_block {
u32 ORB_offset_hi_misc;
u32 ORB_offset_lo;
u8 command_set_dependent[24];
};
/*
* Miscellaneous SBP2 related config rom defines
*/
#define SBP2_STATUS_FIFO_ADDRESS 0xfffe00000000ULL /* for write posting! */
#define SBP2_STATUS_FIFO_ADDRESS_HI 0xfffe
#define SBP2_STATUS_FIFO_ADDRESS_LO 0x0
#define SBP2_UNIT_DIRECTORY_OFFSET_KEY 0xd1
#define SBP2_CSR_OFFSET_KEY 0x54
#define SBP2_UNIT_SPEC_ID_KEY 0x12
#define SBP2_UNIT_SW_VERSION_KEY 0x13
#define SBP2_COMMAND_SET_SPEC_ID_KEY 0x38
#define SBP2_COMMAND_SET_KEY 0x39
#define SBP2_UNIT_CHARACTERISTICS_KEY 0x3a
#define SBP2_DEVICE_TYPE_AND_LUN_KEY 0x14
#define SBP2_FIRMWARE_REVISION_KEY 0x3c
#define SBP2_AGENT_STATE_OFFSET 0x00ULL
#define SBP2_AGENT_RESET_OFFSET 0x04ULL
#define SBP2_ORB_POINTER_OFFSET 0x08ULL
#define SBP2_DOORBELL_OFFSET 0x10ULL
#define SBP2_UNSOLICITED_STATUS_ENABLE_OFFSET 0x14ULL
#define SBP2_UNSOLICITED_STATUS_VALUE 0xf
#define SBP2_BUSY_TIMEOUT_ADDRESS 0xfffff0000210ULL
#define SBP2_BUSY_TIMEOUT_VALUE 0xf
#define SBP2_AGENT_RESET_DATA 0xf
/*
* Unit spec id and sw version entry for SBP-2 devices
*/
#define SBP2_UNIT_SPEC_ID_ENTRY 0x0000609e
#define SBP2_SW_VERSION_ENTRY 0x00010483
/*
* Miscellaneous general config rom related defines
*/
#define CONFIG_ROM_INITIAL_MEMORY_SPACE 0xfffff0000000ULL
#define CONFIG_ROM_BASE_ADDRESS 0xfffff0000400ULL
#define CONFIG_ROM_ROOT_DIR_BASE 0xfffff0000414ULL
#define CONFIG_ROM_UNIT_DIRECTORY_OFFSET 0xfffff0000424ULL
#define SBP2_128KB_BROKEN_FIRMWARE 0xa0b800
#define SBP2_BROKEN_FIRMWARE_MAX_TRANSFER 0x20000
/*
* Flags for SBP-2 functions
*/
#define SBP2_SEND_NO_WAIT 0x00000001
/*
* SCSI specific stuff
*/
#define SBP2_MAX_SG_ELEMENTS SG_ALL
#define SBP2_CLUSTERING ENABLE_CLUSTERING
#define SBP2_MAX_SG_ELEMENT_LENGTH 0xf000
#define SBP2SCSI_MAX_SCSI_IDS 8
#define SBP2SCSI_MAX_OUTSTANDING_CMDS 8 /* Max total outstanding sbp2 commands allowed at a time! */
#define SBP2SCSI_MAX_CMDS_PER_LUN 4 /* Max outstanding sbp2 commands per device - tune as needed */
#ifndef TYPE_SDAD
#define TYPE_SDAD 0x0e /* simplified direct access device */
#endif
/*
* SCSI direction table... since the scsi stack doesn't specify direction... =(
*
* DIN = IN data direction
* DOU = OUT data direction
* DNO = No data transfer
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