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e6c12d85d0
- Layout reorganisation to enhance portability. The driver now has a relatively MI 'core' and a FreeBSD-specific layer over the top. Since the NetBSD people have already done their own port, this is largely just to help me with the BSD/OS port. - Request ID allocation changed to improve performance (I'd been considering switching to this approach after having failed to come up with a better way to dynamically allocate request IDs, and seeing Andy Doran use it in the NetBSD port of the driver convinced me that I was wasting my time doing it any other way). Now we just allocate all the requests up front. - Maximum request count bumped back to 255 after characterisation of a firmware issue (off-by-one causing it to crash with 256 outstanding commands). - Control interface implemented. This allows 3ware's '3dm' utility to talk to the controller. 3dm will be available from 3ware shortly. - Controller soft-reset feature added; if the controller signals a firmware or protocol error, the controller will be reset and all outstanding commands will be retried.
162 lines
5.2 KiB
C
162 lines
5.2 KiB
C
/*-
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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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* $FreeBSD$
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*/
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/*
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* Lookup table for code-to-text translations.
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*/
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struct twe_code_lookup {
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char *string;
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u_int32_t code;
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};
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extern char *twe_describe_code(struct twe_code_lookup *table, u_int32_t code);
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#ifndef TWE_DEFINE_TABLES
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extern struct twe_code_lookup twe_table_status[];
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extern struct twe_code_lookup twe_table_unitstate[];
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extern struct twe_code_lookup twe_table_unittype[];
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extern struct twe_code_lookup twe_table_aen[];
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extern struct twe_code_lookup twe_table_opcode[];
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#else /* TWE_DEFINE_TABLES */
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/********************************************************************************
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* Look up a text description of a numeric code and return a pointer to same.
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*/
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char *
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twe_describe_code(struct twe_code_lookup *table, u_int32_t code)
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{
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int i;
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for (i = 0; table[i].string != NULL; i++)
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if (table[i].code == code)
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return(table[i].string);
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return(table[i+1].string);
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}
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struct twe_code_lookup twe_table_status[] = {
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/* success */
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{"successful completion", 0x00},
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/* info */
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{"command in progress", 0x42},
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{"retrying interface CRC error from UDMA command", 0x6c},
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/* warning */
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{"redundant/inconsequential request ignored", 0x81},
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{"failed to write zeroes to LBA 0", 0x8e},
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{"failed to profile TwinStor zones", 0x8f},
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/* fatal */
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{"aborted due to system command or reconfiguration", 0xc1},
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{"aborted", 0xc4},
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{"access error", 0xc5},
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{"access violation", 0xc6},
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{"device failure", 0xc7}, /* high byte may be port number */
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{"controller error", 0xc8},
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{"timed out", 0xc9},
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{"invalid unit number", 0xcb},
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{"unit not available", 0xcf},
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{"undefined opcode", 0xd2},
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{"request incompatible with unit", 0xdb},
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{"invalid request", 0xdc},
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{"firmware error, reset requested", 0xff},
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{NULL, 0},
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{"unknown status", 0}
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};
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struct twe_code_lookup twe_table_unitstate[] = {
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{"Normal", TWE_PARAM_UNITSTATUS_Normal},
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{"Initialising", TWE_PARAM_UNITSTATUS_Initialising},
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{"Degraded", TWE_PARAM_UNITSTATUS_Degraded},
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{"Rebuilding", TWE_PARAM_UNITSTATUS_Rebuilding},
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{"Verifying", TWE_PARAM_UNITSTATUS_Verifying},
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{"Corrupt", TWE_PARAM_UNITSTATUS_Corrupt},
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{"Missing", TWE_PARAM_UNITSTATUS_Missing},
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{NULL, 0},
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{"unknown state", 0}
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};
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struct twe_code_lookup twe_table_unittype[] = {
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{"RAID0", TWE_UD_CONFIG_RAID0},
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{"RAID1", TWE_UD_CONFIG_RAID1},
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{"TwinStor", TWE_UD_CONFIG_TwinStor},
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{"RAID5", TWE_UD_CONFIG_RAID5},
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{"RAID10", TWE_UD_CONFIG_RAID10},
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{"CBOD", TWE_UD_CONFIG_CBOD},
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{"SPARE", TWE_UD_CONFIG_SPARE},
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{"SUBUNIT", TWE_UD_CONFIG_SUBUNIT},
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{"JBOD", TWE_UD_CONFIG_JBOD},
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{NULL, 0},
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{"unknown type", 0}
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};
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struct twe_code_lookup twe_table_aen[] = {
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{"q queue empty", 0x00},
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{"q soft reset", 0x01},
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{"c degraded mirror", 0x02},
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{"p controller error", 0x03},
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{"c rebuild fail", 0x04},
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{"c rebuild done", 0x05},
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{"c incomplete unit", 0x06},
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{"c initialisation done", 0x07},
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{"c unclean shutdown detected", 0x08},
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{"c drive timeout", 0x09},
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{"c drive error", 0x0a},
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{"c rebuild started", 0x0b},
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{"p aen queue full", 0xff},
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{NULL, 0},
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{"x unknown AEN", 0}
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};
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struct twe_code_lookup twe_table_opcode[] = {
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{"NOP", 0x00},
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{"INIT_CONNECTION", 0x01},
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{"READ", 0x02},
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{"WRITE", 0x03},
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{"READVERIFY", 0x04},
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{"VERIFY", 0x05},
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{"ZEROUNIT", 0x08},
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{"REPLACEUNIT", 0x09},
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{"HOTSWAP", 0x0a},
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{"SETATAFEATURE", 0x0c},
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{"FLUSH", 0x0e},
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{"ABORT", 0x0f},
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{"CHECKSTATUS", 0x10},
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{"GET_PARAM", 0x12},
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{"SET_PARAM", 0x13},
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{"CREATEUNIT", 0x14},
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{"DELETEUNIT", 0x15},
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{"REBUILDUNIT", 0x17},
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{"SECTOR_INFO", 0x1a},
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{"AEN_LISTEN", 0x1c},
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{"CMD_PACKET", 0x1d},
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{NULL, 0},
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{"unknown opcode", 0}
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};
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#endif
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