diff options
Diffstat (limited to 'sys/dev/twa/twa_ioctl.h')
-rw-r--r-- | sys/dev/twa/twa_ioctl.h | 125 |
1 files changed, 125 insertions, 0 deletions
diff --git a/sys/dev/twa/twa_ioctl.h b/sys/dev/twa/twa_ioctl.h new file mode 100644 index 0000000..80373fe --- /dev/null +++ b/sys/dev/twa/twa_ioctl.h @@ -0,0 +1,125 @@ +/*- + * 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) + + |