freebsd-dev/sys/dev/twa/tw_osl_ioctl.h

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/*
* Copyright (c) 2004-07 Applied Micro Circuits Corporation.
* Copyright (c) 2004-05 Vinod Kashyap.
* 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.
*
* $FreeBSD$
*/
/*
* AMCC'S 3ware driver for 9000 series storage controllers.
*
* Author: Vinod Kashyap
* Modifications by: Adam Radford
*/
#ifndef TW_OSL_IOCTL_H
#define TW_OSL_IOCTL_H
/*
* Macros and structures for OS Layer/Common Layer handled ioctls.
*/
#include <dev/twa/tw_cl_fwif.h>
#include <dev/twa/tw_cl_ioctl.h>
#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.
*/
typedef struct tw_osli_ioctl_no_data_buf {
struct tw_cl_driver_packet driver_pkt;
TW_VOID *pdata; /* points to data_buf */
TW_INT8 padding[488 - sizeof(TW_VOID *)];
struct tw_cl_command_packet cmd_pkt;
} TW_OSLI_IOCTL_NO_DATA_BUF;
#pragma pack()
/* ioctl cmds handled by the OS Layer */
#define TW_OSL_IOCTL_SCAN_BUS \
_IO('T', 200)
#define TW_OSL_IOCTL_FIRMWARE_PASS_THROUGH \
_IOWR('T', 202, TW_OSLI_IOCTL_NO_DATA_BUF)
#include <sys/ioccom.h>
#pragma pack(1)
typedef struct tw_osli_ioctl_with_payload {
struct tw_cl_driver_packet driver_pkt;
TW_INT8 padding[488];
struct tw_cl_command_packet cmd_pkt;
union {
struct tw_cl_event_packet event_pkt;
struct tw_cl_lock_packet lock_pkt;
struct tw_cl_compatibility_packet compat_pkt;
TW_INT8 data_buf[1];
} payload;
} TW_OSLI_IOCTL_WITH_PAYLOAD;
#pragma pack()
/* ioctl cmds handled by the Common Layer */
#define TW_CL_IOCTL_GET_FIRST_EVENT \
_IOWR('T', 203, TW_OSLI_IOCTL_WITH_PAYLOAD)
#define TW_CL_IOCTL_GET_LAST_EVENT \
_IOWR('T', 204, TW_OSLI_IOCTL_WITH_PAYLOAD)
#define TW_CL_IOCTL_GET_NEXT_EVENT \
_IOWR('T', 205, TW_OSLI_IOCTL_WITH_PAYLOAD)
#define TW_CL_IOCTL_GET_PREVIOUS_EVENT \
_IOWR('T', 206, TW_OSLI_IOCTL_WITH_PAYLOAD)
#define TW_CL_IOCTL_GET_LOCK \
_IOWR('T', 207, TW_OSLI_IOCTL_WITH_PAYLOAD)
#define TW_CL_IOCTL_RELEASE_LOCK \
_IOWR('T', 208, TW_OSLI_IOCTL_WITH_PAYLOAD)
#define TW_CL_IOCTL_GET_COMPATIBILITY_INFO \
_IOWR('T', 209, TW_OSLI_IOCTL_WITH_PAYLOAD)
#endif /* TW_OSL_IOCTL_H */