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/*
* Copyright (c) 2010, LSI Corp.
* All rights reserved.
* Author : Manjunath Ranganathaiah
* Support: freebsdraid@lsi.com
*
* 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.
* 3. Neither the name of the <ORGANIZATION> nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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
* COPYRIGHT HOLDER 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.
*
* $FreeBSD$
*/
#define TWS_AEN_NOT_RETRIEVED 0x1
#define TWS_AEN_RETRIEVED 0x2
#define TWS_AEN_NO_EVENTS 0x1003 /* No more events */
#define TWS_AEN_OVERFLOW 0x1004 /* AEN overflow occurred */
#define TWS_IOCTL_LOCK_NOT_HELD 0x1001 /* Not locked */
#define TWS_IOCTL_LOCK_ALREADY_HELD 0x1002 /* Already locked */
#define TWS_IOCTL_LOCK_HELD 0x1
#define TWS_IOCTL_LOCK_FREE 0x0
#pragma pack(1)
/* Structure used to handle GET/RELEASE LOCK ioctls. */
struct tws_lock_packet {
u_int32_t timeout_msec;
u_int32_t time_remaining_msec;
u_int32_t force_flag;
};
/* Structure used to handle GET COMPATIBILITY INFO ioctl. */
struct tws_compatibility_packet {
u_int8_t driver_version[32];/* driver version */
u_int16_t working_srl; /* driver & firmware negotiated srl */
u_int16_t working_branch; /* branch # of the firmware that the
driver is compatible with */
u_int16_t working_build; /* build # of the firmware that the
driver is compatible with */
u_int16_t driver_srl_high;/* highest driver supported srl */
u_int16_t driver_branch_high;/* highest driver supported branch */
u_int16_t driver_build_high;/* highest driver supported build */
u_int16_t driver_srl_low;/* lowest driver supported srl */
u_int16_t driver_branch_low;/* lowest driver supported branch */
u_int16_t driver_build_low;/* lowest driver supported build */
u_int16_t fw_on_ctlr_srl; /* srl of running firmware */
u_int16_t fw_on_ctlr_branch;/* branch # of running firmware */
u_int16_t fw_on_ctlr_build;/* build # of running firmware */
};
/* Driver understandable part of the ioctl packet built by the API. */
struct tws_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;
};
/* ioctl packet built by the API. */
struct tws_ioctl_packet {
struct tws_driver_packet driver_pkt;
char padding[488];
struct tws_command_packet cmd_pkt;
char data_buf[1];
};
#pragma pack()
#pragma pack(1)
/*
* 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 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.
*/
struct tws_ioctl_no_data_buf {
struct tws_driver_packet driver_pkt;
void *pdata; /* points to data_buf */
char padding[488 - sizeof(void *)];
struct tws_command_packet cmd_pkt;
};
#pragma pack()
#include <sys/ioccom.h>
#pragma pack(1)
struct tws_ioctl_with_payload {
struct tws_driver_packet driver_pkt;
char padding[488];
struct tws_command_packet cmd_pkt;
union {
struct tws_event_packet event_pkt;
struct tws_lock_packet lock_pkt;
struct tws_compatibility_packet compat_pkt;
char data_buf[1];
} payload;
};
#pragma pack()
/* ioctl cmds */
#define TWS_IOCTL_SCAN_BUS \
_IO('T', 200)
#define TWS_IOCTL_FIRMWARE_PASS_THROUGH \
_IOWR('T', 202, struct tws_ioctl_no_data_buf)
#define TWS_IOCTL_GET_FIRST_EVENT \
_IOWR('T', 203, struct tws_ioctl_with_payload)
#define TWS_IOCTL_GET_LAST_EVENT \
_IOWR('T', 204, struct tws_ioctl_with_payload)
#define TWS_IOCTL_GET_NEXT_EVENT \
_IOWR('T', 205, struct tws_ioctl_with_payload)
#define TWS_IOCTL_GET_PREVIOUS_EVENT \
_IOWR('T', 206, struct tws_ioctl_with_payload)
#define TWS_IOCTL_GET_LOCK \
_IOWR('T', 207, struct tws_ioctl_with_payload)
#define TWS_IOCTL_RELEASE_LOCK \
_IOWR('T', 208, struct tws_ioctl_with_payload)
#define TWS_IOCTL_GET_COMPATIBILITY_INFO \
_IOWR('T', 209, struct tws_ioctl_with_payload)
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