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/mfi/mfi_ioctl.h

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    1 /*-
    2  * Copyright (c) 2006 IronPort Systems
    3  * All rights reserved.
    4  *
    5  * Redistribution and use in source and binary forms, with or without
    6  * modification, are permitted provided that the following conditions
    7  * are met:
    8  * 1. Redistributions of source code must retain the above copyright
    9  *    notice, this list of conditions and the following disclaimer.
   10  * 2. Redistributions in binary form must reproduce the above copyright
   11  *    notice, this list of conditions and the following disclaimer in the
   12  *    documentation and/or other materials provided with the distribution.
   13  *
   14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
   15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
   18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   24  * SUCH DAMAGE.
   25  */
   26 
   27 #include <sys/cdefs.h>
   28 __FBSDID("$FreeBSD: releng/8.3/sys/dev/mfi/mfi_ioctl.h 196284 2009-08-17 06:21:22Z scottl $");
   29 
   30 #include <dev/mfi/mfireg.h>
   31 
   32 #if defined(__amd64__) /* Assume amd64 wants 32 bit Linux */
   33 struct iovec32 {
   34         u_int32_t       iov_base;
   35         int             iov_len;
   36 };
   37 #endif
   38 
   39 #define MFIQ_FREE       0
   40 #define MFIQ_BIO        1
   41 #define MFIQ_READY      2
   42 #define MFIQ_BUSY       3
   43 #define MFIQ_COUNT      4
   44 
   45 struct mfi_qstat {
   46         uint32_t        q_length;
   47         uint32_t        q_max;
   48 };
   49 
   50 union mfi_statrequest {
   51         uint32_t                ms_item;
   52         struct mfi_qstat        ms_qstat;
   53 };
   54 
   55 #define MAX_SPACE_FOR_SENSE_PTR         32
   56 union mfi_sense_ptr {
   57         uint8_t         sense_ptr_data[MAX_SPACE_FOR_SENSE_PTR];
   58         void            *user_space;
   59         struct {
   60                 uint32_t        low;
   61                 uint32_t        high;
   62         } addr;
   63 } __packed;
   64 
   65 #define MAX_IOCTL_SGE   16
   66 
   67 struct mfi_ioc_packet {
   68         uint16_t        mfi_adapter_no;
   69         uint16_t        mfi_pad1;
   70         uint32_t        mfi_sgl_off;
   71         uint32_t        mfi_sge_count;
   72         uint32_t        mfi_sense_off;
   73         uint32_t        mfi_sense_len;
   74         union {
   75                 uint8_t raw[128];
   76                 struct mfi_frame_header hdr;
   77         } mfi_frame;
   78 
   79         struct iovec mfi_sgl[MAX_IOCTL_SGE];
   80 } __packed;
   81 
   82 #ifdef __amd64__
   83 struct mfi_ioc_packet32 {
   84         uint16_t        mfi_adapter_no;
   85         uint16_t        mfi_pad1;
   86         uint32_t        mfi_sgl_off;
   87         uint32_t        mfi_sge_count;
   88         uint32_t        mfi_sense_off;
   89         uint32_t        mfi_sense_len;
   90         union {
   91                 uint8_t raw[128];
   92                 struct mfi_frame_header hdr;
   93         } mfi_frame;
   94 
   95         struct iovec32 mfi_sgl[MAX_IOCTL_SGE];
   96 } __packed;
   97 #endif
   98 
   99 struct mfi_ioc_aen {
  100         uint16_t        aen_adapter_no;
  101         uint16_t        aen_pad1;
  102         uint32_t        aen_seq_num;
  103         uint32_t        aen_class_locale;
  104 } __packed;
  105 
  106 #define MFI_CMD         _IOWR('M', 1, struct mfi_ioc_packet)
  107 #ifdef __amd64__
  108 #define MFI_CMD32       _IOWR('M', 1, struct mfi_ioc_packet32)
  109 #endif
  110 #define MFI_SET_AEN     _IOW('M', 3, struct mfi_ioc_aen)
  111 
  112 #define MAX_LINUX_IOCTL_SGE     16
  113 
  114 struct mfi_linux_ioc_packet {
  115         uint16_t        lioc_adapter_no;
  116         uint16_t        lioc_pad1;
  117         uint32_t        lioc_sgl_off;
  118         uint32_t        lioc_sge_count;
  119         uint32_t        lioc_sense_off;
  120         uint32_t        lioc_sense_len;
  121         union {
  122                 uint8_t raw[128];
  123                 struct mfi_frame_header hdr;
  124         } lioc_frame;
  125 
  126 #if defined(__amd64__) /* Assume amd64 wants 32 bit Linux */
  127         struct iovec32 lioc_sgl[MAX_LINUX_IOCTL_SGE];
  128 #else
  129         struct iovec lioc_sgl[MAX_LINUX_IOCTL_SGE];
  130 #endif
  131 } __packed;
  132 
  133 struct mfi_ioc_passthru {
  134         struct mfi_dcmd_frame   ioc_frame;
  135         uint32_t                buf_size;
  136         uint8_t                 *buf;
  137 } __packed;
  138 
  139 #ifdef __amd64__
  140 struct mfi_ioc_passthru32 {
  141         struct mfi_dcmd_frame   ioc_frame;
  142         uint32_t                buf_size;
  143         uint32_t                buf;
  144 } __packed;
  145 #endif
  146 
  147 #define MFIIO_STATS     _IOWR('Q', 101, union mfi_statrequest)
  148 #define MFIIO_PASSTHRU  _IOWR('C', 102, struct mfi_ioc_passthru)
  149 #ifdef __amd64__
  150 #define MFIIO_PASSTHRU32        _IOWR('C', 102, struct mfi_ioc_passthru32)
  151 #endif
  152 
  153 struct mfi_linux_ioc_aen {
  154         uint16_t        laen_adapter_no;
  155         uint16_t        laen_pad1;
  156         uint32_t        laen_seq_num;
  157         uint32_t        laen_class_locale;
  158 } __packed;
  159 
  160 struct mfi_query_disk {
  161         uint8_t array_id;
  162         uint8_t present;
  163         uint8_t open;
  164         uint8_t reserved;       /* reserved for future use */
  165         char    devname[SPECNAMELEN + 1];
  166 } __packed;
  167 
  168 #define MFIIO_QUERY_DISK        _IOWR('Q', 102, struct mfi_query_disk)
  169 
  170 /*
  171  * Create a second set so the FreeBSD native ioctl doesn't
  172  * conflict in FreeBSD ioctl handler.  Translate in mfi_linux.c.
  173  */
  174 #define MFI_LINUX_CMD           0xc1144d01
  175 #define MFI_LINUX_SET_AEN       0x400c4d03
  176 #define MFI_LINUX_CMD_2         0xc1144d02
  177 #define MFI_LINUX_SET_AEN_2     0x400c4d04

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