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/twa_ioctl.h

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    1 /*-
    2  * Copyright (c) 2003-04 3ware, Inc.
    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  *      $FreeBSD: releng/5.4/sys/dev/twa/twa_ioctl.h 141821 2005-02-13 18:34:27Z vkashyap $
   27  */
   28 
   29 /*
   30  * 3ware driver for 9000 series storage controllers.
   31  *
   32  * Author: Vinod Kashyap
   33  */
   34 
   35 
   36 #define TWA_AEN_NOT_RETRIEVED   0x1
   37 #define TWA_AEN_RETRIEVED       0x2
   38 
   39 #define TWA_ERROR_AEN_NO_EVENTS 0x1003           /* No more events */
   40 #define TWA_ERROR_AEN_OVERFLOW  0x1004           /* AEN clobber occurred */
   41 
   42 #define TWA_ERROR_IOCTL_LOCK_NOT_HELD           0x1001   /* Not locked */
   43 #define TWA_ERROR_IOCTL_LOCK_ALREADY_HELD       0x1002   /* Already locked */
   44 
   45 
   46 #pragma pack(1)
   47 struct twa_scan_bus_packet {
   48         u_int32_t       unit;
   49 } __attribute__ ((packed));
   50 
   51 
   52 struct twa_event_packet {
   53         u_int32_t       sequence_id;
   54         u_int32_t       time_stamp_sec;
   55         u_int16_t       aen_code;
   56         u_int8_t        severity;
   57         u_int8_t        retrieved;
   58         u_int8_t        repeat_count;
   59         u_int8_t        parameter_len;
   60         u_int8_t        parameter_data[98];
   61 } __attribute__ ((packed));
   62 
   63 
   64 struct twa_lock_packet {
   65         u_int32_t       timeout_msec;
   66         u_int32_t       time_remaining_msec;
   67         u_int32_t       force_flag;
   68 } __attribute__ ((packed));
   69 
   70 
   71 struct twa_compatibility_packet {
   72         uint8_t         driver_version[32];/* driver version */
   73         uint16_t        working_srl;    /* driver & firmware negotiated srl */
   74         uint16_t        working_branch; /* branch # of the firmware that the driver is compatible with */
   75         uint16_t        working_build;  /* build # of the firmware that the driver is compatible with */
   76 } __attribute__ ((packed));
   77 
   78 
   79 struct twa_driver_packet {
   80         u_int32_t       control_code;
   81         u_int32_t       status;
   82         u_int32_t       unique_id;
   83         u_int32_t       sequence_id;
   84         u_int32_t       os_status;
   85         u_int32_t       buffer_length;
   86 } __attribute__ ((packed));
   87 
   88 
   89 struct twa_ioctl_9k {
   90         struct twa_driver_packet        twa_drvr_pkt;
   91         void                            *pdata; /* points to data_buf */
   92         int8_t                          padding[488 - sizeof(void *)];
   93         struct twa_command_packet       twa_cmd_pkt;
   94         int8_t                          data_buf[1];
   95 } __attribute__ ((packed));
   96 
   97 
   98 /*
   99  * We need the structure below to ensure that the first byte of
  100  * data_buf is not overwritten by the kernel, after we return
  101  * from the ioctl call.  Note that twa_cmd_pkt has been reduced
  102  * to an array of 1024 bytes even though it's actually 2048 bytes
  103  * in size.  This is because, we don't expect requests from user
  104  * land requiring 2048 (273 sg elements) byte cmd pkts.
  105  */
  106 typedef struct twa_ioctl_no_data_buf {
  107         struct twa_driver_packet        twa_drvr_pkt;
  108         void                            *pdata; /* points to data_buf */
  109         int8_t                          padding[488 - sizeof(void *)];
  110         struct twa_command_packet       twa_cmd_pkt;
  111 }  __attribute__ ((packed)) TWA_IOCTL_NO_DATA_BUF;
  112 #pragma pack()
  113 
  114 
  115 #define TWA_IOCTL_SCAN_BUS              _IOW ('T', 200, u_int32_t)
  116 #define TWA_IOCTL_FIRMWARE_PASS_THROUGH _IOWR('T', 202, TWA_IOCTL_NO_DATA_BUF)
  117 #define TWA_IOCTL_GET_FIRST_EVENT       _IOWR('T', 203, TWA_IOCTL_NO_DATA_BUF)
  118 #define TWA_IOCTL_GET_LAST_EVENT        _IOWR('T', 204, TWA_IOCTL_NO_DATA_BUF)
  119 #define TWA_IOCTL_GET_NEXT_EVENT        _IOWR('T', 205, TWA_IOCTL_NO_DATA_BUF)
  120 #define TWA_IOCTL_GET_PREVIOUS_EVENT    _IOWR('T', 206, TWA_IOCTL_NO_DATA_BUF)
  121 #define TWA_IOCTL_GET_LOCK              _IOWR('T', 207, TWA_IOCTL_NO_DATA_BUF)
  122 #define TWA_IOCTL_RELEASE_LOCK          _IOWR('T', 208, TWA_IOCTL_NO_DATA_BUF)
  123 #define TWA_IOCTL_GET_COMPATIBILITY_INFO _IOWR('T', 209, TWA_IOCTL_NO_DATA_BUF)
  124 
  125 

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