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  * 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: releng/12.0/sys/dev/twa/tw_osl_ioctl.h 326255 2017-11-27 14:52:40Z pfg $
   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 
   40 
   41 #ifndef TW_OSL_IOCTL_H
   42 
   43 #define TW_OSL_IOCTL_H
   44 
   45 
   46 /*
   47  * Macros and structures for OS Layer/Common Layer handled ioctls.
   48  */
   49 
   50 
   51 
   52 #include <dev/twa/tw_cl_fwif.h>
   53 #include <dev/twa/tw_cl_ioctl.h>
   54 
   55 
   56 
   57 #pragma pack(1)
   58 /*
   59  * We need the structure below to ensure that the first byte of
   60  * data_buf is not overwritten by the kernel, after we return
   61  * from the ioctl call.  Note that cmd_pkt has been reduced
   62  * to an array of 1024 bytes even though it's actually 2048 bytes
   63  * in size.  This is because, we don't expect requests from user
   64  * land requiring 2048 (273 sg elements) byte cmd pkts.
   65  */
   66 typedef struct tw_osli_ioctl_no_data_buf {
   67         struct tw_cl_driver_packet      driver_pkt;
   68         TW_VOID                         *pdata; /* points to data_buf */
   69         TW_INT8                         padding[488 - sizeof(TW_VOID *)];
   70         struct tw_cl_command_packet     cmd_pkt;
   71 } TW_OSLI_IOCTL_NO_DATA_BUF;
   72 
   73 #pragma pack()
   74 
   75 /* ioctl cmds handled by the OS Layer */
   76 #define TW_OSL_IOCTL_SCAN_BUS                           \
   77         _IO('T', 200)
   78 #define TW_OSL_IOCTL_FIRMWARE_PASS_THROUGH              \
   79         _IOWR('T', 202, TW_OSLI_IOCTL_NO_DATA_BUF)
   80 
   81 
   82 #include <sys/ioccom.h>
   83 
   84 #pragma pack(1)
   85 
   86 typedef struct tw_osli_ioctl_with_payload {
   87         struct tw_cl_driver_packet      driver_pkt;
   88         TW_INT8                         padding[488];
   89         struct tw_cl_command_packet     cmd_pkt;
   90         union {
   91                 struct tw_cl_event_packet               event_pkt;
   92                 struct tw_cl_lock_packet                lock_pkt;
   93                 struct tw_cl_compatibility_packet       compat_pkt;
   94                 TW_INT8                                 data_buf[1];
   95         } payload;
   96 } TW_OSLI_IOCTL_WITH_PAYLOAD;
   97 
   98 #pragma pack()
   99 
  100 /* ioctl cmds handled by the Common Layer */
  101 #define TW_CL_IOCTL_GET_FIRST_EVENT                     \
  102         _IOWR('T', 203, TW_OSLI_IOCTL_WITH_PAYLOAD)
  103 #define TW_CL_IOCTL_GET_LAST_EVENT                      \
  104         _IOWR('T', 204, TW_OSLI_IOCTL_WITH_PAYLOAD)
  105 #define TW_CL_IOCTL_GET_NEXT_EVENT                      \
  106         _IOWR('T', 205, TW_OSLI_IOCTL_WITH_PAYLOAD)
  107 #define TW_CL_IOCTL_GET_PREVIOUS_EVENT                  \
  108         _IOWR('T', 206, TW_OSLI_IOCTL_WITH_PAYLOAD)
  109 #define TW_CL_IOCTL_GET_LOCK                            \
  110         _IOWR('T', 207, TW_OSLI_IOCTL_WITH_PAYLOAD)
  111 #define TW_CL_IOCTL_RELEASE_LOCK                        \
  112         _IOWR('T', 208, TW_OSLI_IOCTL_WITH_PAYLOAD)
  113 #define TW_CL_IOCTL_GET_COMPATIBILITY_INFO              \
  114         _IOWR('T', 209, TW_OSLI_IOCTL_WITH_PAYLOAD)
  115 
  116 
  117 
  118 #endif /* TW_OSL_IOCTL_H */

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