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