sys/dev/raid/twa/twa_ioctl.h

   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  *      $FreeBSD$
  27  * $DragonFly: src/sys/dev/raid/twa/twa_ioctl.h,v 1.1 2004/04/16 20:13:17 drhodus Exp $
  28  */
  29
  30 /*
  31  * 3ware driver for 9000 series storage controllers.
  32  *
  33  * Author: Vinod Kashyap
  34  */
  35
  36 #include <sys/ioccom.h>
  37
  38 #define TWA_AEN_NOT_RETRIEVED   0x1
  39 #define TWA_AEN_RETRIEVED       0x2
  40
  41 #define TWA_ERROR_AEN_NO_EVENTS 0x1003           /* No more events */
  42 #define TWA_ERROR_AEN_OVERFLOW  0x1004           /* AEN clobber occurred */
  43
  44 #define TWA_ERROR_IOCTL_LOCK_NOT_HELD           0x1001   /* Not locked */
  45 #define TWA_ERROR_IOCTL_LOCK_ALREADY_HELD       0x1002   /* Already locked */
  46
  47
  48 #pragma pack(1)
  49 struct twa_scan_bus_packet {
  50         u_int32_t       unit;
  51 } __attribute__ ((packed));
  52
  53
  54 struct twa_event_packet {
  55         u_int32_t       sequence_id;
  56         u_int32_t       time_stamp_sec;
  57         u_int16_t       aen_code;
  58         u_int8_t        severity;
  59         u_int8_t        retrieved;
  60         u_int8_t        repeat_count;
  61         u_int8_t        parameter_len;
  62         u_int8_t        parameter_data[98];
  63 } __attribute__ ((packed));
  64
  65
  66 struct twa_lock_packet {
  67         u_int32_t       timeout_msec;
  68         u_int32_t       time_remaining_msec;
  69         u_int32_t       force_flag;
  70 } __attribute__ ((packed));
  71
  72
  73 struct twa_compatibility_packet {
  74         uint8_t         driver_version[32];/* driver version */
  75         uint16_t        working_srl;    /* driver & firmware negotiated srl */
  76         uint16_t        working_branch; /* branch # of the firmware that the driver is compatible with */
  77         uint16_t        working_build;  /* build # of the firmware that the driver is compatible with */
  78 } __attribute__ ((packed));
  79
  80
  81 struct twa_driver_packet {
  82         u_int32_t       control_code;
  83         u_int32_t       status;
  84         u_int32_t       unique_id;
  85         u_int32_t       sequence_id;
  86         u_int32_t       os_status;
  87         u_int32_t       buffer_length;
  88 } __attribute__ ((packed));
  89
  90
  91 struct twa_ioctl_9k {
  92         struct twa_driver_packet        twa_drvr_pkt;
  93         void                            *pdata; /* points to data_buf */
  94         int8_t                          padding[484];
  95         struct twa_command_packet       twa_cmd_pkt;
  96         int8_t                          data_buf[1];
  97 } __attribute__ ((packed));
  98
  99
 100 /*
 101  * We need the structure below to ensure that the first byte of
 102  * data_buf is not overwritten by the kernel, after we return
 103  * from the ioctl call.  Note that twa_cmd_pkt has been reduced
 104  * to an array of 1024 bytes even though it's actually 2048 bytes
 105  * in size.  This is because, we don't expect requests from user
 106  * land requiring 2048 (273 sg elements) byte cmd pkts.
 107  */
 108 typedef struct twa_ioctl_no_data_buf {
 109         struct twa_driver_packet        twa_drvr_pkt;
 110         void                            *pdata; /* points to data_buf */
 111         int8_t                          padding[484];
 112         struct twa_command_packet       twa_cmd_pkt;
 113 }  __attribute__ ((packed)) TWA_IOCTL_NO_DATA_BUF;
 114 #pragma pack()
 115
 116
 117 #define TWA_IOCTL_SCAN_BUS              _IOW ('T', 200, u_int32_t)
 118 #define TWA_IOCTL_FIRMWARE_PASS_THROUGH _IOWR('T', 202, TWA_IOCTL_NO_DATA_BUF)
 119 #define TWA_IOCTL_GET_FIRST_EVENT       _IOWR('T', 203, TWA_IOCTL_NO_DATA_BUF)
 120 #define TWA_IOCTL_GET_LAST_EVENT        _IOWR('T', 204, TWA_IOCTL_NO_DATA_BUF)
 121 #define TWA_IOCTL_GET_NEXT_EVENT        _IOWR('T', 205, TWA_IOCTL_NO_DATA_BUF)
 122 #define TWA_IOCTL_GET_PREVIOUS_EVENT    _IOWR('T', 206, TWA_IOCTL_NO_DATA_BUF)
 123 #define TWA_IOCTL_GET_LOCK              _IOWR('T', 207, TWA_IOCTL_NO_DATA_BUF)
 124 #define TWA_IOCTL_RELEASE_LOCK          _IOWR('T', 208, TWA_IOCTL_NO_DATA_BUF)
 125 #define TWA_IOCTL_GET_COMPATIBILITY_INFO _IOWR('T', 209, TWA_IOCTL_NO_DATA_BUF)
 126
 127