tw_osl_ioctl.h

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    1 /*-
    2  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
    3  *
    4  * Copyright (c) 2004-07 Applied Micro Circuits Corporation.
    5  * Copyright (c) 2004-05 Vinod Kashyap.
    6  * All rights reserved.
    7  *
    8  * Redistribution and use in source and binary forms, with or without
    9  * modification, are permitted provided that the following conditions
   10  * are met:
   11  * 1. Redistributions of source code must retain the above copyright
   12  *    notice, this list of conditions and the following disclaimer.
   13  * 2. Redistributions in binary form must reproduce the above copyright
   14  *    notice, this list of conditions and the following disclaimer in the
   15  *    documentation and/or other materials provided with the distribution.
   16  *
   17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
   18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   20  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
   21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   27  * SUCH DAMAGE.
   28  *
   29  *      $FreeBSD$
   30  */
   31 
   32 /*
   33  * AMCC'S 3ware driver for 9000 series storage controllers.
   34  *
   35  * Author: Vinod Kashyap
   36  * Modifications by: Adam Radford
   37  */
   38 
   39 #ifndef TW_OSL_IOCTL_H
   40 
   41 #define TW_OSL_IOCTL_H
   42 
   43 /*
   44  * Macros and structures for OS Layer/Common Layer handled ioctls.
   45  */
   46 
   47 #include <dev/twa/tw_cl_fwif.h>
   48 #include <dev/twa/tw_cl_ioctl.h>
   49 
   50 #pragma pack(1)
   51 /*
   52  * We need the structure below to ensure that the first byte of
   53  * data_buf is not overwritten by the kernel, after we return
   54  * from the ioctl call.  Note that cmd_pkt has been reduced
   55  * to an array of 1024 bytes even though it's actually 2048 bytes
   56  * in size.  This is because, we don't expect requests from user
   57  * land requiring 2048 (273 sg elements) byte cmd pkts.
   58  */
   59 typedef struct tw_osli_ioctl_no_data_buf {
   60         struct tw_cl_driver_packet      driver_pkt;
   61         TW_VOID                         *pdata; /* points to data_buf */
   62         TW_INT8                         padding[488 - sizeof(TW_VOID *)];
   63         struct tw_cl_command_packet     cmd_pkt;
   64 } TW_OSLI_IOCTL_NO_DATA_BUF;
   65 
   66 #pragma pack()
   67 
   68 /* ioctl cmds handled by the OS Layer */
   69 #define TW_OSL_IOCTL_SCAN_BUS                           \
   70         _IO('T', 200)
   71 #define TW_OSL_IOCTL_FIRMWARE_PASS_THROUGH              \
   72         _IOWR('T', 202, TW_OSLI_IOCTL_NO_DATA_BUF)
   73 
   74 #include <sys/ioccom.h>
   75 
   76 #pragma pack(1)
   77 
   78 typedef struct tw_osli_ioctl_with_payload {
   79         struct tw_cl_driver_packet      driver_pkt;
   80         TW_INT8                         padding[488];
   81         struct tw_cl_command_packet     cmd_pkt;
   82         union {
   83                 struct tw_cl_event_packet               event_pkt;
   84                 struct tw_cl_lock_packet                lock_pkt;
   85                 struct tw_cl_compatibility_packet       compat_pkt;
   86                 TW_INT8                                 data_buf[1];
   87         } payload;
   88 } TW_OSLI_IOCTL_WITH_PAYLOAD;
   89 
   90 #pragma pack()
   91 
   92 /* ioctl cmds handled by the Common Layer */
   93 #define TW_CL_IOCTL_GET_FIRST_EVENT                     \
   94         _IOWR('T', 203, TW_OSLI_IOCTL_WITH_PAYLOAD)
   95 #define TW_CL_IOCTL_GET_LAST_EVENT                      \
   96         _IOWR('T', 204, TW_OSLI_IOCTL_WITH_PAYLOAD)
   97 #define TW_CL_IOCTL_GET_NEXT_EVENT                      \
   98         _IOWR('T', 205, TW_OSLI_IOCTL_WITH_PAYLOAD)
   99 #define TW_CL_IOCTL_GET_PREVIOUS_EVENT                  \
  100         _IOWR('T', 206, TW_OSLI_IOCTL_WITH_PAYLOAD)
  101 #define TW_CL_IOCTL_GET_LOCK                            \
  102         _IOWR('T', 207, TW_OSLI_IOCTL_WITH_PAYLOAD)
  103 #define TW_CL_IOCTL_RELEASE_LOCK                        \
  104         _IOWR('T', 208, TW_OSLI_IOCTL_WITH_PAYLOAD)
  105 #define TW_CL_IOCTL_GET_COMPATIBILITY_INFO              \
  106         _IOWR('T', 209, TW_OSLI_IOCTL_WITH_PAYLOAD)
  107 
  108 #endif /* TW_OSL_IOCTL_H */

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FreeBSD/Linux Kernel Cross Reference sys/dev/twa/tw_osl_ioctl.h

FreeBSD/Linux Kernel Cross Reference
sys/dev/twa/tw_osl_ioctl.h