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/*
* Copyright (c) 2004-07 Applied Micro Circuits Corporation.
* Copyright (c) 2004-05 Vinod Kashyap
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD: release/9.1.0/sys/dev/twa/tw_cl_fwif.h 212008 2010-08-30 19:15:04Z delphij $
*/
/*
* AMCC'S 3ware driver for 9000 series storage controllers.
*
* Author: Vinod Kashyap
* Modifications by: Adam Radford
*/
#ifndef TW_CL_FWIF_H
#define TW_CL_FWIF_H
/*
* Macros and data structures for interfacing with the firmware.
*/
/* Register offsets from base address. */
#define TWA_CONTROL_REGISTER_OFFSET 0x0
#define TWA_STATUS_REGISTER_OFFSET 0x4
#define TWA_COMMAND_QUEUE_OFFSET 0x8
#define TWA_RESPONSE_QUEUE_OFFSET 0xC
#define TWA_COMMAND_QUEUE_OFFSET_LOW 0x20
#define TWA_COMMAND_QUEUE_OFFSET_HIGH 0x24
#define TWA_LARGE_RESPONSE_QUEUE_OFFSET 0x30
/* Control register bit definitions. */
#define TWA_CONTROL_ISSUE_HOST_INTERRUPT 0x00000020
#define TWA_CONTROL_DISABLE_INTERRUPTS 0x00000040
#define TWA_CONTROL_ENABLE_INTERRUPTS 0x00000080
#define TWA_CONTROL_ISSUE_SOFT_RESET 0x00000100
#define TWA_CONTROL_UNMASK_RESPONSE_INTERRUPT 0x00004000
#define TWA_CONTROL_UNMASK_COMMAND_INTERRUPT 0x00008000
#define TWA_CONTROL_MASK_RESPONSE_INTERRUPT 0x00010000
#define TWA_CONTROL_MASK_COMMAND_INTERRUPT 0x00020000
#define TWA_CONTROL_CLEAR_ATTENTION_INTERRUPT 0x00040000
#define TWA_CONTROL_CLEAR_HOST_INTERRUPT 0x00080000
#define TWA_CONTROL_CLEAR_PCI_ABORT 0x00100000
#define TWA_CONTROL_CLEAR_QUEUE_ERROR 0x00400000
#define TWA_CONTROL_CLEAR_PARITY_ERROR 0x00800000
/* Status register bit definitions. */
#define TWA_STATUS_ROM_BIOS_IN_SBUF 0x00000002
#define TWA_STATUS_COMMAND_QUEUE_EMPTY 0x00001000
#define TWA_STATUS_MICROCONTROLLER_READY 0x00002000
#define TWA_STATUS_RESPONSE_QUEUE_EMPTY 0x00004000
#define TWA_STATUS_COMMAND_QUEUE_FULL 0x00008000
#define TWA_STATUS_RESPONSE_INTERRUPT 0x00010000
#define TWA_STATUS_COMMAND_INTERRUPT 0x00020000
#define TWA_STATUS_ATTENTION_INTERRUPT 0x00040000
#define TWA_STATUS_HOST_INTERRUPT 0x00080000
#define TWA_STATUS_PCI_ABORT_INTERRUPT 0x00100000
#define TWA_STATUS_MICROCONTROLLER_ERROR 0x00200000
#define TWA_STATUS_QUEUE_ERROR_INTERRUPT 0x00400000
#define TWA_STATUS_PCI_PARITY_ERROR_INTERRUPT 0x00800000
#define TWA_STATUS_MINOR_VERSION_MASK 0x0F000000
#define TWA_STATUS_MAJOR_VERSION_MASK 0xF0000000
#define TWA_STATUS_UNEXPECTED_BITS 0x00D00000
/* PCI related defines. */
#define TWA_IO_CONFIG_REG 0x10
#define TWA_PCI_CONFIG_CLEAR_PARITY_ERROR 0xc100
#define TWA_PCI_CONFIG_CLEAR_PCI_ABORT 0x2000
#define TWA_RESET_PHASE1_NOTIFICATION_RESPONSE 0xFFFF
#define TWA_RESET_PHASE1_WAIT_TIME_MS 500
/* Command packet opcodes. */
#define TWA_FW_CMD_NOP 0x00
#define TWA_FW_CMD_INIT_CONNECTION 0x01
#define TWA_FW_CMD_READ 0x02
#define TWA_FW_CMD_WRITE 0x03
#define TWA_FW_CMD_READVERIFY 0x04
#define TWA_FW_CMD_VERIFY 0x05
#define TWA_FW_CMD_ZEROUNIT 0x08
#define TWA_FW_CMD_REPLACEUNIT 0x09
#define TWA_FW_CMD_HOTSWAP 0x0A
#define TWA_FW_CMD_SELFTESTS 0x0B
#define TWA_FW_CMD_SYNC_PARAM 0x0C
#define TWA_FW_CMD_REORDER_UNITS 0x0D
#define TWA_FW_CMD_EXECUTE_SCSI 0x10
#define TWA_FW_CMD_ATA_PASSTHROUGH 0x11
#define TWA_FW_CMD_GET_PARAM 0x12
#define TWA_FW_CMD_SET_PARAM 0x13
#define TWA_FW_CMD_CREATEUNIT 0x14
#define TWA_FW_CMD_DELETEUNIT 0x15
#define TWA_FW_CMD_DOWNLOAD_FIRMWARE 0x16
#define TWA_FW_CMD_REBUILDUNIT 0x17
#define TWA_FW_CMD_POWER_MANAGEMENT 0x18
#define TWA_FW_CMD_REMOTE_PRINT 0x1B
#define TWA_FW_CMD_HARD_RESET_FIRMWARE 0x1C
#define TWA_FW_CMD_DEBUG 0x1D
#define TWA_FW_CMD_DIAGNOSTICS 0x1F
/* Misc defines. */
#define TWA_SHUTDOWN_MESSAGE_CREDITS 0x001
#define TWA_64BIT_SG_ADDRESSES 0x00000001
#define TWA_EXTENDED_INIT_CONNECT 0x00000002
#define TWA_BASE_MODE 1
#define TWA_BASE_FW_SRL 24
#define TWA_BASE_FW_BRANCH 0
#define TWA_BASE_FW_BUILD 1
#define TWA_CURRENT_FW_SRL 41
#define TWA_CURRENT_FW_BRANCH_9K 4
#define TWA_CURRENT_FW_BUILD_9K 8
#define TWA_CURRENT_FW_BRANCH_9K_X 8
#define TWA_CURRENT_FW_BUILD_9K_X 4
#define TWA_MULTI_LUN_FW_SRL 28
#define TWA_ARCH_ID_9K 0x5 /* 9000 PCI controllers */
#define TWA_ARCH_ID_9K_X 0x6 /* 9000 PCI-X controllers */
#define TWA_CTLR_FW_SAME_OR_NEWER 0x00000001
#define TWA_CTLR_FW_COMPATIBLE 0x00000002
#define TWA_SENSE_DATA_LENGTH 18
#define TWA_ARCH_ID(device_id) \
(((device_id) == TW_CL_DEVICE_ID_9K) ? TWA_ARCH_ID_9K : \
TWA_ARCH_ID_9K_X)
#define TWA_CURRENT_FW_BRANCH(arch_id) \
(((arch_id) == TWA_ARCH_ID_9K) ? TWA_CURRENT_FW_BRANCH_9K : \
TWA_CURRENT_FW_BRANCH_9K_X)
#define TWA_CURRENT_FW_BUILD(arch_id) \
(((arch_id) == TWA_ARCH_ID_9K) ? TWA_CURRENT_FW_BUILD_9K : \
TWA_CURRENT_FW_BUILD_9K_X)
/*
* All SG addresses and DMA'able memory allocated by the OSL should be
* TWA_ALIGNMENT bytes aligned, and have a size that is a multiple of
* TWA_SG_ELEMENT_SIZE_FACTOR.
*/
#define TWA_ALIGNMENT(device_id) 0x4
#define TWA_SG_ELEMENT_SIZE_FACTOR(device_id) \
(((device_id) == TW_CL_DEVICE_ID_9K) ? 512 : 4)
/*
* Some errors of interest (in cmd_hdr->status_block.error) when a command
* is completed by the firmware with a bad status.
*/
#define TWA_ERROR_LOGICAL_UNIT_NOT_SUPPORTED 0x010a
#define TWA_ERROR_UNIT_OFFLINE 0x0128
#define TWA_ERROR_MORE_DATA 0x0231
/* AEN codes of interest. */
#define TWA_AEN_QUEUE_EMPTY 0x00
#define TWA_AEN_SOFT_RESET 0x01
#define TWA_AEN_SYNC_TIME_WITH_HOST 0x31
/* Table #'s and id's of parameters of interest in firmware's param table. */
#define TWA_PARAM_VERSION_TABLE 0x0402
#define TWA_PARAM_VERSION_FW 3 /* firmware version [16] */
#define TWA_PARAM_VERSION_BIOS 4 /* BIOSs version [16] */
#define TWA_PARAM_CTLR_MODEL 8 /* Controller model [16] */
#define TWA_PARAM_CONTROLLER_TABLE 0x0403
#define TWA_PARAM_CONTROLLER_PORT_COUNT 3 /* number of ports [1] */
#define TWA_PARAM_TIME_TABLE 0x40A
#define TWA_PARAM_TIME_SCHED_TIME 0x3
#define TWA_9K_PARAM_DESCRIPTOR 0x8000
#pragma pack(1)
/* 7000 structures. */
struct tw_cl_command_init_connect {
TW_UINT8 res1__opcode; /* 3:5 */
TW_UINT8 size;
TW_UINT8 request_id;
TW_UINT8 res2;
TW_UINT8 status;
TW_UINT8 flags;
TW_UINT16 message_credits;
TW_UINT32 features;
TW_UINT16 fw_srl;
TW_UINT16 fw_arch_id;
TW_UINT16 fw_branch;
TW_UINT16 fw_build;
TW_UINT32 result;
};
/* Structure for downloading firmware onto the controller. */
struct tw_cl_command_download_firmware {
TW_UINT8 sgl_off__opcode;/* 3:5 */
TW_UINT8 size;
TW_UINT8 request_id;
TW_UINT8 unit;
TW_UINT8 status;
TW_UINT8 flags;
TW_UINT16 param;
TW_UINT8 sgl[1];
};
/* Structure for hard resetting the controller. */
struct tw_cl_command_reset_firmware {
TW_UINT8 res1__opcode; /* 3:5 */
TW_UINT8 size;
TW_UINT8 request_id;
TW_UINT8 unit;
TW_UINT8 status;
TW_UINT8 flags;
TW_UINT8 res2;
TW_UINT8 param;
};
/* Structure for sending get/set param commands. */
struct tw_cl_command_param {
TW_UINT8 sgl_off__opcode;/* 3:5 */
TW_UINT8 size;
TW_UINT8 request_id;
TW_UINT8 host_id__unit; /* 4:4 */
TW_UINT8 status;
TW_UINT8 flags;
TW_UINT16 param_count;
TW_UINT8 sgl[1];
};
/* Generic command packet. */
struct tw_cl_command_generic {
TW_UINT8 sgl_off__opcode;/* 3:5 */
TW_UINT8 size;
TW_UINT8 request_id;
TW_UINT8 host_id__unit; /* 4:4 */
TW_UINT8 status;
TW_UINT8 flags;
TW_UINT16 count; /* block cnt, parameter cnt, message credits */
};
/* Command packet header. */
struct tw_cl_command_header {
TW_UINT8 sense_data[TWA_SENSE_DATA_LENGTH];
struct {
TW_INT8 reserved[4];
TW_UINT16 error;
TW_UINT8 padding;
TW_UINT8 res__severity; /* 5:3 */
} status_block;
TW_UINT8 err_specific_desc[98];
struct {
TW_UINT8 size_header;
TW_UINT16 reserved;
TW_UINT8 size_sense;
} header_desc;
};
/* 7000 Command packet. */
union tw_cl_command_7k {
struct tw_cl_command_init_connect init_connect;
struct tw_cl_command_download_firmware download_fw;
struct tw_cl_command_reset_firmware reset_fw;
struct tw_cl_command_param param;
struct tw_cl_command_generic generic;
TW_UINT8 padding[1024 - sizeof(struct tw_cl_command_header)];
};
/* 9000 Command Packet. */
struct tw_cl_command_9k {
TW_UINT8 res__opcode; /* 3:5 */
TW_UINT8 unit;
TW_UINT16 lun_l4__req_id; /* 4:12 */
TW_UINT8 status;
TW_UINT8 sgl_offset; /* offset (in bytes) to sg_list, from the
end of sgl_entries */
TW_UINT16 lun_h4__sgl_entries;
TW_UINT8 cdb[16];
TW_UINT8 sg_list[872];/* total struct size =
1024-sizeof(cmd_hdr) */
};
/* Full command packet. */
struct tw_cl_command_packet {
struct tw_cl_command_header cmd_hdr;
union {
union tw_cl_command_7k cmd_pkt_7k;
struct tw_cl_command_9k cmd_pkt_9k;
} command;
};
/* Structure describing payload for get/set param commands. */
struct tw_cl_param_9k {
TW_UINT16 table_id;
TW_UINT8 parameter_id;
TW_UINT8 reserved;
TW_UINT16 parameter_size_bytes;
TW_UINT16 parameter_actual_size_bytes;
TW_UINT8 data[1];
};
#pragma pack()
/* Functions to read from, and write to registers */
#define TW_CLI_WRITE_CONTROL_REGISTER(ctlr_handle, value) \
tw_osl_write_reg(ctlr_handle, TWA_CONTROL_REGISTER_OFFSET, value, 4)
#define TW_CLI_READ_STATUS_REGISTER(ctlr_handle) \
tw_osl_read_reg(ctlr_handle, TWA_STATUS_REGISTER_OFFSET, 4)
#define TW_CLI_WRITE_COMMAND_QUEUE(ctlr_handle, value) do { \
if (ctlr->flags & TW_CL_64BIT_ADDRESSES) { \
/* First write the low 4 bytes, then the high 4. */ \
tw_osl_write_reg(ctlr_handle, TWA_COMMAND_QUEUE_OFFSET_LOW, \
(TW_UINT32)(value), 4); \
tw_osl_write_reg(ctlr_handle, TWA_COMMAND_QUEUE_OFFSET_HIGH,\
(TW_UINT32)(((TW_UINT64)value)>>32), 4); \
} else \
tw_osl_write_reg(ctlr_handle, TWA_COMMAND_QUEUE_OFFSET, \
(TW_UINT32)(value), 4); \
} while (0)
#define TW_CLI_READ_RESPONSE_QUEUE(ctlr_handle) \
tw_osl_read_reg(ctlr_handle, TWA_RESPONSE_QUEUE_OFFSET, 4)
#define TW_CLI_READ_LARGE_RESPONSE_QUEUE(ctlr_handle) \
tw_osl_read_reg(ctlr_handle, TWA_LARGE_RESPONSE_QUEUE_OFFSET, 4)
#define TW_CLI_SOFT_RESET(ctlr) \
TW_CLI_WRITE_CONTROL_REGISTER(ctlr, \
TWA_CONTROL_ISSUE_SOFT_RESET | \
TWA_CONTROL_CLEAR_HOST_INTERRUPT | \
TWA_CONTROL_CLEAR_ATTENTION_INTERRUPT | \
TWA_CONTROL_MASK_COMMAND_INTERRUPT | \
TWA_CONTROL_MASK_RESPONSE_INTERRUPT | \
TWA_CONTROL_DISABLE_INTERRUPTS)
/* Detect inconsistencies in the status register. */
#define TW_CLI_STATUS_ERRORS(x) \
((x & TWA_STATUS_UNEXPECTED_BITS) && \
(x & TWA_STATUS_MICROCONTROLLER_READY))
/*
* Functions for making transparent, the bit fields in firmware
* interface structures.
*/
#define BUILD_SGL_OFF__OPCODE(sgl_off, opcode) \
((sgl_off << 5) & 0xE0) | (opcode & 0x1F) /* 3:5 */
#define BUILD_RES__OPCODE(res, opcode) \
((res << 5) & 0xE0) | (opcode & 0x1F) /* 3:5 */
#define BUILD_HOST_ID__UNIT(host_id, unit) \
((host_id << 4) & 0xF0) | (unit & 0xF) /* 4:4 */
#define BUILD_RES__SEVERITY(res, severity) \
((res << 3) & 0xF8) | (severity & 0x7) /* 5:3 */
#define BUILD_LUN_L4__REQ_ID(lun, req_id) \
(((lun << 12) & 0xF000) | (req_id & 0xFFF)) /* 4:12 */
#define BUILD_LUN_H4__SGL_ENTRIES(lun, sgl_entries) \
(((lun << 8) & 0xF000) | (sgl_entries & 0xFFF)) /* 4:12 */
#define GET_OPCODE(sgl_off__opcode) \
(sgl_off__opcode & 0x1F) /* 3:5 */
#define GET_SGL_OFF(sgl_off__opcode) \
((sgl_off__opcode >> 5) & 0x7) /* 3:5 */
#define GET_UNIT(host_id__unit) \
(host_id__unit & 0xF) /* 4:4 */
#define GET_HOST_ID(host_id__unit) \
((host_id__unit >> 4) & 0xF) /* 4:4 */
#define GET_SEVERITY(res__severity) \
(res__severity & 0x7) /* 5:3 */
#define GET_RESP_ID(undef2__resp_id__undef1) \
((undef2__resp_id__undef1 >> 4) & 0xFF) /* 20:8:4 */
#define GET_RESP_ID_9K_X(undef2__resp_id) \
((undef2__resp_id) & 0xFFF) /* 20:12 */
#define GET_LARGE_RESP_ID(misc__large_resp_id) \
((misc__large_resp_id) & 0xFFFF) /* 16:16 */
#define GET_REQ_ID(lun_l4__req_id) \
(lun_l4__req_id & 0xFFF) /* 4:12 */
#define GET_LUN_L4(lun_l4__req_id) \
((lun_l4__req_id >> 12) & 0xF) /* 4:12 */
#define GET_SGL_ENTRIES(lun_h4__sgl_entries) \
(lun_h4__sgl_entries & 0xFFF) /* 4:12 */
#define GET_LUN_H4(lun_h4__sgl_entries) \
((lun_h4__sgl_entries >> 12) & 0xF) /* 4:12 */
#endif /* TW_CL_FWIF_H */