99635d6cdd
PATA/SATA RAID controllers. This driver is a SIM under CAM, and so, behaves like a driver for a SCSI controller.
126 lines
4.2 KiB
C
126 lines
4.2 KiB
C
/*-
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* Copyright (c) 2003-04 3ware, Inc.
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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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* 3ware driver for 9000 series storage controllers.
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*
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* Author: Vinod Kashyap
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*/
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#define TWA_AEN_NOT_RETRIEVED 0x1
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#define TWA_AEN_RETRIEVED 0x2
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#define TWA_ERROR_AEN_NO_EVENTS 0x1003 /* No more events */
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#define TWA_ERROR_AEN_OVERFLOW 0x1004 /* AEN clobber occurred */
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#define TWA_ERROR_IOCTL_LOCK_NOT_HELD 0x1001 /* Not locked */
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#define TWA_ERROR_IOCTL_LOCK_ALREADY_HELD 0x1002 /* Already locked */
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#pragma pack(1)
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struct twa_scan_bus_packet {
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u_int32_t unit;
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} __attribute__ ((packed));
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struct twa_event_packet {
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u_int32_t sequence_id;
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u_int32_t time_stamp_sec;
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u_int16_t aen_code;
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u_int8_t severity;
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u_int8_t retrieved;
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u_int8_t repeat_count;
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u_int8_t parameter_len;
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u_int8_t parameter_data[98];
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} __attribute__ ((packed));
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struct twa_lock_packet {
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u_int32_t timeout_msec;
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u_int32_t time_remaining_msec;
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u_int32_t force_flag;
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} __attribute__ ((packed));
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struct twa_compatibility_packet {
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uint8_t driver_version[32];/* driver version */
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uint16_t working_srl; /* driver & firmware negotiated srl */
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uint16_t working_branch; /* branch # of the firmware that the driver is compatible with */
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uint16_t working_build; /* build # of the firmware that the driver is compatible with */
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} __attribute__ ((packed));
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struct twa_driver_packet {
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u_int32_t control_code;
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u_int32_t status;
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u_int32_t unique_id;
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u_int32_t sequence_id;
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u_int32_t os_status;
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u_int32_t buffer_length;
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} __attribute__ ((packed));
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struct twa_ioctl_9k {
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struct twa_driver_packet twa_drvr_pkt;
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void *pdata; /* points to data_buf */
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int8_t padding[484];
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struct twa_command_packet twa_cmd_pkt;
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int8_t data_buf[1];
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} __attribute__ ((packed));
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/*
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* We need the structure below to ensure that the first byte of
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* data_buf is not overwritten by the kernel, after we return
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* from the ioctl call. Note that twa_cmd_pkt has been reduced
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* to an array of 1024 bytes even though it's actually 2048 bytes
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* in size. This is because, we don't expect requests from user
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* land requiring 2048 (273 sg elements) byte cmd pkts.
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*/
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typedef struct twa_ioctl_no_data_buf {
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struct twa_driver_packet twa_drvr_pkt;
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void *pdata; /* points to data_buf */
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int8_t padding[484];
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struct twa_command_packet twa_cmd_pkt;
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} __attribute__ ((packed)) TWA_IOCTL_NO_DATA_BUF;
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#pragma pack()
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#define TWA_IOCTL_SCAN_BUS _IOW ('T', 200, u_int32_t)
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#define TWA_IOCTL_FIRMWARE_PASS_THROUGH _IOWR('T', 202, TWA_IOCTL_NO_DATA_BUF)
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#define TWA_IOCTL_GET_FIRST_EVENT _IOWR('T', 203, TWA_IOCTL_NO_DATA_BUF)
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#define TWA_IOCTL_GET_LAST_EVENT _IOWR('T', 204, TWA_IOCTL_NO_DATA_BUF)
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#define TWA_IOCTL_GET_NEXT_EVENT _IOWR('T', 205, TWA_IOCTL_NO_DATA_BUF)
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#define TWA_IOCTL_GET_PREVIOUS_EVENT _IOWR('T', 206, TWA_IOCTL_NO_DATA_BUF)
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#define TWA_IOCTL_GET_LOCK _IOWR('T', 207, TWA_IOCTL_NO_DATA_BUF)
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#define TWA_IOCTL_RELEASE_LOCK _IOWR('T', 208, TWA_IOCTL_NO_DATA_BUF)
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#define TWA_IOCTL_GET_COMPATIBILITY_INFO _IOWR('T', 209, TWA_IOCTL_NO_DATA_BUF)
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