343 lines
14 KiB
C
343 lines
14 KiB
C
/* $NetBSD: twereg.h,v 1.15 2008/09/08 23:36:54 gmcgarry Exp $ */
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/*-
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* Copyright (c) 2000 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Andrew Doran.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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/*-
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* Copyright (c) 2000 Michael Smith
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* Copyright (c) 2000 BSDi
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* from FreeBSD: twereg.h,v 1.1 2000/05/24 23:35:23 msmith Exp
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*/
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#ifndef _PCI_TWEREG_H_
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#define _PCI_TWEREG_H_
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/* Board registers. */
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#define TWE_REG_CTL 0x00
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#define TWE_REG_STS 0x04
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#define TWE_REG_CMD_QUEUE 0x08
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#define TWE_REG_RESP_QUEUE 0x0c
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/* Control register bit definitions. */
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#define TWE_CTL_CLEAR_HOST_INTR 0x00080000
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#define TWE_CTL_CLEAR_ATTN_INTR 0x00040000
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#define TWE_CTL_MASK_CMD_INTR 0x00020000
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#define TWE_CTL_MASK_RESP_INTR 0x00010000
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#define TWE_CTL_UNMASK_CMD_INTR 0x00008000
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#define TWE_CTL_UNMASK_RESP_INTR 0x00004000
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#define TWE_CTL_CLEAR_ERROR_STS 0x00000200
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#define TWE_CTL_ISSUE_SOFT_RESET 0x00000100
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#define TWE_CTL_ENABLE_INTRS 0x00000080
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#define TWE_CTL_DISABLE_INTRS 0x00000040
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#define TWE_CTL_ISSUE_HOST_INTR 0x00000020
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#define TWE_CTL_CLEAR_PARITY_ERROR 0x00800000
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#define TWE_CTL_CLEAR_PCI_ABORT 0x00100000
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/* Status register bit definitions. */
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#define TWE_STS_MAJOR_VERSION_MASK 0xf0000000
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#define TWE_STS_MINOR_VERSION_MASK 0x0f000000
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#define TWE_STS_PCI_PARITY_ERROR 0x00800000
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#define TWE_STS_QUEUE_ERROR 0x00400000
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#define TWE_STS_MICROCONTROLLER_ERROR 0x00200000
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#define TWE_STS_PCI_ABORT 0x00100000
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#define TWE_STS_HOST_INTR 0x00080000
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#define TWE_STS_ATTN_INTR 0x00040000
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#define TWE_STS_CMD_INTR 0x00020000
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#define TWE_STS_RESP_INTR 0x00010000
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#define TWE_STS_CMD_QUEUE_FULL 0x00008000
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#define TWE_STS_RESP_QUEUE_EMPTY 0x00004000
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#define TWE_STS_MICROCONTROLLER_READY 0x00002000
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#define TWE_STS_CMD_QUEUE_EMPTY 0x00001000
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#define TWE_STS_ALL_INTRS 0x000f0000
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#define TWE_STS_CLEARABLE_BITS 0x00d00000
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#define TWE_STS_EXPECTED_BITS 0x00002000
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#define TWE_STS_UNEXPECTED_BITS 0x00f80000
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/* Command packet opcodes. */
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#define TWE_OP_NOP 0x00
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#define TWE_OP_INIT_CONNECTION 0x01
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#define TWE_OP_READ 0x02
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#define TWE_OP_WRITE 0x03
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#define TWE_OP_READVERIFY 0x04
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#define TWE_OP_VERIFY 0x05
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#define TWE_OP_PROBE 0x06
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#define TWE_OP_PROBEUNIT 0x07
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#define TWE_OP_ZEROUNIT 0x08
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#define TWE_OP_REPLACEUNIT 0x09
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#define TWE_OP_HOTSWAP 0x0a
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#define TWE_OP_SETATAFEATURE 0x0c
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#define TWE_OP_FLUSH 0x0e
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#define TWE_OP_ABORT 0x0f
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#define TWE_OP_CHECKSTATUS 0x10
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#define TWE_OP_ATA_PASSTHROUGH 0x11
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#define TWE_OP_GET_PARAM 0x12
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#define TWE_OP_SET_PARAM 0x13
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#define TWE_OP_CREATEUNIT 0x14
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#define TWE_OP_DELETEUNIT 0x15
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#define TWE_OP_REBUILDUNIT 0x17
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#define TWE_OP_SECTOR_INFO 0x1a
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#define TWE_OP_AEN_LISTEN 0x1c
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#define TWE_OP_CMD_PACKET 0x1d
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#define TWE_OP_CMD_WITH_DATA 0x1f
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/* Response queue entries. Masking and shifting yields request ID. */
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#define TWE_RESP_MASK 0x00000ff0
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#define TWE_RESP_SHIFT 4
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/* Miscellenous constants. */
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#define TWE_ALIGNMENT 512
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#define TWE_MAX_UNITS 16
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#define TWE_INIT_CMD_PACKET_SIZE 0x3
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#define TWE_SG_SIZE 62
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#define TWE_MAX_CMDS 255
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#define TWE_Q_START 0
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#define TWE_UNIT_INFORMATION_TABLE_BASE 0x300
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#define TWE_IOCTL 0x80
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#define TWE_SECTOR_SIZE 512
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/* Scatter/gather block. */
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struct twe_sgb {
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u_int32_t tsg_address;
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u_int32_t tsg_length;
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} __packed;
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/*
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* Command block. This is 512 (really 508) bytes in size, and must be
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* aligned on a 512 byte boundary.
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*/
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struct twe_cmd {
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u_int8_t tc_opcode; /* high 3 bits is S/G list offset */
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u_int8_t tc_size;
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u_int8_t tc_cmdid;
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u_int8_t tc_unit; /* high nybble is host ID */
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u_int8_t tc_status;
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u_int8_t tc_flags;
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u_int16_t tc_count; /* block & param count, msg credits */
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union {
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struct {
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u_int32_t lba;
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struct twe_sgb sgl[TWE_SG_SIZE];
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} io __packed;
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struct {
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struct twe_sgb sgl[TWE_SG_SIZE];
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} param;
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struct {
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u_int32_t response_queue_pointer;
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} init_connection __packed;
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} tc_args;
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int32_t tc_pad;
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} __packed;
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/* Get/set parameter block. */
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struct twe_param {
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u_int16_t tp_table_id;
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u_int8_t tp_param_id;
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u_int8_t tp_param_size;
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u_int8_t tp_data[1];
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} __packed;
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/*
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* From 3ware's documentation:
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*
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* All parameters maintained by the controller are grouped into related
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* tables. Tables are are accessed indirectly via get and set parameter
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* commands. To access a specific parameter in a table, the table ID and
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* parameter index are used to uniquely identify a parameter. Table
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* 0xffff is the directory table and provides a list of the table IDs and
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* sizes of all other tables. Index zero in each table specifies the
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* entire table, and index one specifies the size of the table. An entire
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* table can be read or set by using index zero.
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*/
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#define TWE_PARAM_PARAM_ALL 0
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#define TWE_PARAM_PARAM_SIZE 1
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#define TWE_PARAM_DIRECTORY 0xffff /* size is 4 * number of tables */
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#define TWE_PARAM_DIRECTORY_TABLES 2 /* 16 bits * number of tables */
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#define TWE_PARAM_DIRECTORY_SIZES 3 /* 16 bits * number of tables */
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#define TWE_PARAM_DRIVESUMMARY 0x0002
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#define TWE_PARAM_DRIVESUMMARY_Num 2 /* number of physical drives [2] */
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#define TWE_PARAM_DRIVESUMMARY_Status 3 /* array giving drive status per aport */
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#define TWE_PARAM_DRIVESTATUS_Missing 0x00
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#define TWE_PARAM_DRIVESTATUS_NotSupp 0xfe
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#define TWE_PARAM_DRIVESTATUS_Present 0xff
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#define TWE_PARAM_UNITSUMMARY 0x0003
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#define TWE_PARAM_UNITSUMMARY_Num 2 /* number of logical units [2] */
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#define TWE_PARAM_UNITSUMMARY_Status 3 /* array giving unit status [16] */
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#define TWE_PARAM_UNITSTATUS_Online (1<<0)
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#define TWE_PARAM_UNITSTATUS_Complete (1<<1)
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#define TWE_PARAM_UNITSTATUS_MASK 0xfc
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#define TWE_PARAM_UNITSTATUS_Normal 0xfc
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#define TWE_PARAM_UNITSTATUS_Initialising 0xf4 /* cannot be incomplete */
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#define TWE_PARAM_UNITSTATUS_Degraded 0xec
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#define TWE_PARAM_UNITSTATUS_Rebuilding 0xdc /* cannot be incomplete */
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#define TWE_PARAM_UNITSTATUS_Verifying 0xcc /* cannot be incomplete */
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#define TWE_PARAM_UNITSTATUS_Corrupt 0xbc /* cannot be complete */
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#define TWE_PARAM_UNITSTATUS_Missing 0x00 /* cannot be complete or online */
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#define TWE_PARAM_DRIVEINFO 0x0200 /* add drive number 0x00-0x0f XXX docco confused 0x0100 vs 0x0200 */
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#define TWE_PARAM_DRIVEINFO_Size 2 /* size in blocks [4] */
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#define TWE_PARAM_DRIVEINFO_Model 3 /* drive model string [40] */
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#define TWE_PARAM_DRIVEINFO_Serial 4 /* drive serial number [20] */
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#define TWE_PARAM_DRIVEINFO_PhysCylNum 5 /* physical geometry [2] */
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#define TWE_PARAM_DRIVEINFO_PhysHeadNum 6 /* [2] */
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#define TWE_PARAM_DRIVEINFO_PhysSectorNum 7 /* [2] */
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#define TWE_PARAM_DRIVEINFO_LogCylNum 8 /* logical geometry [2] */
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#define TWE_PARAM_DRIVEINFO_LogHeadNum 9 /* [2] */
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#define TWE_PARAM_DRIVEINFO_LogSectorNum 10 /* [2] */
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#define TWE_PARAM_DRIVEINFO_UnitNum 11 /* unit number this drive is associated with or 0xff [1] */
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#define TWE_PARAM_DRIVEINFO_DriveFlags 12 /* N/A [1] */
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#define TWE_PARAM_APORTTIMEOUT 0x02c0 /* add (aport_number * 3) to parameter index */
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#define TWE_PARAM_APORTTIMEOUT_READ 2 /* read timeouts last 24hrs [2] */
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#define TWE_PARAM_APORTTIMEOUT_WRITE 3 /* write timeouts last 24hrs [2] */
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#define TWE_PARAM_APORTTIMEOUT_DEGRADE 4 /* degrade threshold [2] */
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#define TWE_PARAM_UNITINFO 0x0300 /* add unit number 0x00-0x0f */
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#define TWE_PARAM_UNITINFO_Number 2 /* unit number [1] */
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#define TWE_PARAM_UNITINFO_Status 3 /* unit status [1] */
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#define TWE_PARAM_UNITINFO_Capacity 4 /* unit capacity in blocks [4] */
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#define TWE_PARAM_UNITINFO_DescriptorSize 5 /* unit descriptor size + 3 bytes [2] */
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#define TWE_PARAM_UNITINFO_Descriptor 6 /* unit descriptor, TWE_UnitDescriptor or TWE_Array_Descriptor */
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#define TWE_PARAM_UNITINFO_Flags 7 /* unit flags [1] */
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#define TWE_PARAM_UNITFLAGS_WCE (1<<0)
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#define TWE_PARAM_AEN 0x0401
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#define TWE_PARAM_AEN_UnitCode 2 /* (unit number << 8) | AEN code [2] */
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#define TWE_AEN_QUEUE_EMPTY 0x00
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#define TWE_AEN_SOFT_RESET 0x01
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#define TWE_AEN_DEGRADED_MIRROR 0x02 /* reports unit */
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#define TWE_AEN_CONTROLLER_ERROR 0x03
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#define TWE_AEN_REBUILD_FAIL 0x04 /* reports unit */
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#define TWE_AEN_REBUILD_DONE 0x05 /* reports unit */
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#define TWE_AEN_INCOMP_UNIT 0x06 /* reports unit */
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#define TWE_AEN_INIT_DONE 0x07 /* reports unit */
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#define TWE_AEN_UNCLEAN_SHUTDOWN 0x08 /* reports unit */
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#define TWE_AEN_APORT_TIMEOUT 0x09 /* reports unit, rate limited to 1 per 2^16 errors */
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#define TWE_AEN_DRIVE_ERROR 0x0a /* reports unit */
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#define TWE_AEN_REBUILD_STARTED 0x0b /* reports unit */
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#define TWE_AEN_QUEUE_FULL 0xff
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#define TWE_AEN_TABLE_UNDEFINED 0x15
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#define TWE_AEN_CODE(x) ((x) & 0xff)
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#define TWE_AEN_UNIT(x) ((x) >> 8)
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#define TWE_PARAM_VERSION 0x0402
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#define TWE_PARAM_VERSION_Mon 2 /* monitor version [16] */
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#define TWE_PARAM_VERSION_FW 3 /* firmware version [16] */
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#define TWE_PARAM_VERSION_BIOS 4 /* BIOSs version [16] */
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#define TWE_PARAM_VERSION_PCB 5 /* PCB version [8] */
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#define TWE_PARAM_VERSION_ATA 6 /* A-chip version [8] */
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#define TWE_PARAM_VERSION_PCI 7 /* P-chip version [8] */
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#define TWE_PARAM_VERSION_CtrlModel 8 /* N/A */
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#define TWE_PARAM_VERSION_CtrlSerial 9 /* N/A */
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#define TWE_PARAM_VERSION_SBufSize 10 /* N/A */
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#define TWE_PARAM_VERSION_CompCode 11 /* compatibility code [4] */
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#define TWE_PARAM_CONTROLLER 0x0403
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#define TWE_PARAM_CONTROLLER_DCBSectors 2 /* # sectors reserved for DCB per drive [2] */
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#define TWE_PARAM_CONTROLLER_PortCount 3 /* number of drive ports [1] */
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#define TWE_PARAM_FEATURES 0x404
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#define TWE_PARAM_FEATURES_DriverShutdown 2 /* set to 1 if driver supports shutdown notification [1] */
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#define TWE_PARAM_PROC 0x406
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#define TWE_PARAM_PROC_PERCENT 2 /* Per-sub-unit % complete of init/verify/rebuild or 0xff [16] */
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struct twe_unit_descriptor {
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u_int8_t num_subunits; /* must be zero */
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u_int8_t configuration;
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#define TWE_UD_CONFIG_CBOD 0x0c /* JBOD with DCB, used for mirrors */
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#define TWE_UD_CONFIG_SPARE 0x0d /* same as CBOD, but firmware will use as spare */
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#define TWE_UD_CONFIG_SUBUNIT 0x0e /* drive is a subunit in an array */
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#define TWE_UD_CONFIG_JBOD 0x0f /* plain drive */
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u_int8_t phys_drv_num; /* may be 0xff if port can't be determined at runtime */
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u_int8_t log_drv_num; /* must be zero for configuration == 0x0f */
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u_int32_t start_lba;
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u_int32_t block_count; /* actual drive size if configuration == 0x0f, otherwise less DCB size */
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} __packed;
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struct twe_mirror_descriptor {
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u_int8_t flag; /* must be 0xff */
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u_int8_t res1;
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u_int8_t mirunit_status[4]; /* bitmap of functional subunits in each mirror */
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u_int8_t res2[6];
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} __packed;
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struct twe_array_descriptor {
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u_int8_t num_subunits; /* number of subunits, or number of mirror units in RAID10 */
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u_int8_t configuration;
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#define TWE_AD_CONFIG_RAID0 0x00
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#define TWE_AD_CONFIG_RAID1 0x01
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#define TWE_AD_CONFIG_TwinStor 0x02
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#define TWE_AD_CONFIG_RAID5 0x05
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#define TWE_AD_CONFIG_RAID10 0x06
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u_int8_t stripe_size;
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#define TWE_AD_STRIPE_4k 0x03
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#define TWE_AD_STRIPE_8k 0x04
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#define TWE_AD_STRIPE_16k 0x05
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#define TWE_AD_STRIPE_32k 0x06
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#define TWE_AD_STRIPE_64k 0x07
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#define TWE_AD_STRIPE_128k 0x08
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#define TWE_AD_STRIPE_256k 0x09
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#define TWE_AD_STRIPE_512k 0x0a
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#define TWE_AD_STRIPE_1024k 0x0b
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u_int8_t log_drv_status; /* bitmap of functional subunits, or mirror units in RAID10 */
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u_int32_t start_lba;
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u_int32_t block_count; /* actual drive size if configuration == 0x0f, otherwise less DCB size */
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struct twe_unit_descriptor subunit[1];
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} __packed;
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#endif /* !_PCI_TWEREG_H_ */
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