The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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

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    1 /*
    2  * Copyright (c) 2004-07 Applied Micro Circuits Corporation.
    3  * Copyright (c) 2004-05 Vinod Kashyap.
    4  * All rights reserved.
    5  *
    6  * Redistribution and use in source and binary forms, with or without
    7  * modification, are permitted provided that the following conditions
    8  * are met:
    9  * 1. Redistributions of source code must retain the above copyright
   10  *    notice, this list of conditions and the following disclaimer.
   11  * 2. Redistributions in binary form must reproduce the above copyright
   12  *    notice, this list of conditions and the following disclaimer in the
   13  *    documentation and/or other materials provided with the distribution.
   14  *
   15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
   16  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   17  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   18  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
   19  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   20  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   21  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   22  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   23  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   24  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   25  * SUCH DAMAGE.
   26  *
   27  *      $FreeBSD: stable/9/sys/dev/twa/tw_osl_ioctl.h 169400 2007-05-09 04:16:32Z scottl $
   28  */
   29 
   30 /*
   31  * AMCC'S 3ware driver for 9000 series storage controllers.
   32  *
   33  * Author: Vinod Kashyap
   34  * Modifications by: Adam Radford
   35  */
   36 
   37 
   38 
   39 #ifndef TW_OSL_IOCTL_H
   40 
   41 #define TW_OSL_IOCTL_H
   42 
   43 
   44 /*
   45  * Macros and structures for OS Layer/Common Layer handled ioctls.
   46  */
   47 
   48 
   49 
   50 #include <dev/twa/tw_cl_fwif.h>
   51 #include <dev/twa/tw_cl_ioctl.h>
   52 
   53 
   54 
   55 #pragma pack(1)
   56 /*
   57  * We need the structure below to ensure that the first byte of
   58  * data_buf is not overwritten by the kernel, after we return
   59  * from the ioctl call.  Note that cmd_pkt has been reduced
   60  * to an array of 1024 bytes even though it's actually 2048 bytes
   61  * in size.  This is because, we don't expect requests from user
   62  * land requiring 2048 (273 sg elements) byte cmd pkts.
   63  */
   64 typedef struct tw_osli_ioctl_no_data_buf {
   65         struct tw_cl_driver_packet      driver_pkt;
   66         TW_VOID                         *pdata; /* points to data_buf */
   67         TW_INT8                         padding[488 - sizeof(TW_VOID *)];
   68         struct tw_cl_command_packet     cmd_pkt;
   69 } TW_OSLI_IOCTL_NO_DATA_BUF;
   70 
   71 #pragma pack()
   72 
   73 /* ioctl cmds handled by the OS Layer */
   74 #define TW_OSL_IOCTL_SCAN_BUS                           \
   75         _IO('T', 200)
   76 #define TW_OSL_IOCTL_FIRMWARE_PASS_THROUGH              \
   77         _IOWR('T', 202, TW_OSLI_IOCTL_NO_DATA_BUF)
   78 
   79 
   80 #include <sys/ioccom.h>
   81 
   82 #pragma pack(1)
   83 
   84 typedef struct tw_osli_ioctl_with_payload {
   85         struct tw_cl_driver_packet      driver_pkt;
   86         TW_INT8                         padding[488];
   87         struct tw_cl_command_packet     cmd_pkt;
   88         union {
   89                 struct tw_cl_event_packet               event_pkt;
   90                 struct tw_cl_lock_packet                lock_pkt;
   91                 struct tw_cl_compatibility_packet       compat_pkt;
   92                 TW_INT8                                 data_buf[1];
   93         } payload;
   94 } TW_OSLI_IOCTL_WITH_PAYLOAD;
   95 
   96 #pragma pack()
   97 
   98 /* ioctl cmds handled by the Common Layer */
   99 #define TW_CL_IOCTL_GET_FIRST_EVENT                     \
  100         _IOWR('T', 203, TW_OSLI_IOCTL_WITH_PAYLOAD)
  101 #define TW_CL_IOCTL_GET_LAST_EVENT                      \
  102         _IOWR('T', 204, TW_OSLI_IOCTL_WITH_PAYLOAD)
  103 #define TW_CL_IOCTL_GET_NEXT_EVENT                      \
  104         _IOWR('T', 205, TW_OSLI_IOCTL_WITH_PAYLOAD)
  105 #define TW_CL_IOCTL_GET_PREVIOUS_EVENT                  \
  106         _IOWR('T', 206, TW_OSLI_IOCTL_WITH_PAYLOAD)
  107 #define TW_CL_IOCTL_GET_LOCK                            \
  108         _IOWR('T', 207, TW_OSLI_IOCTL_WITH_PAYLOAD)
  109 #define TW_CL_IOCTL_RELEASE_LOCK                        \
  110         _IOWR('T', 208, TW_OSLI_IOCTL_WITH_PAYLOAD)
  111 #define TW_CL_IOCTL_GET_COMPATIBILITY_INFO              \
  112         _IOWR('T', 209, TW_OSLI_IOCTL_WITH_PAYLOAD)
  113 
  114 
  115 
  116 #endif /* TW_OSL_IOCTL_H */

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