sys/dev/raid/mfi/mfi_ioctl.h

   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  * $FreeBSD: src/sys/dev/mfi/mfi_ioctl.h,v 1.9 2009/08/13 23:18:45 scottl Exp $
  27  * FreeBSD projects/head_mfi/ r227612
  28  */
  29
  30 #include <sys/conf.h>
  31
  32 #include <sys/bus_dma.h>
  33
  34 #include <dev/raid/mfi/mfireg.h>
  35
  36 struct iovec32 {
  37         u_int32_t       iov_base;
  38         int             iov_len;
  39 };
  40
  41 struct megasas_sge
  42 {
  43         bus_addr_t phys_addr;
  44         uint32_t length;
  45 };
  46
  47 #define MFIQ_FREE       0
  48 #define MFIQ_BIO        1
  49 #define MFIQ_READY      2
  50 #define MFIQ_BUSY       3
  51 #define MFIQ_COUNT      4
  52
  53 struct mfi_qstat {
  54         uint32_t        q_length;
  55         uint32_t        q_max;
  56 };
  57
  58 union mfi_statrequest {
  59         uint32_t                ms_item;
  60         struct mfi_qstat        ms_qstat;
  61 };
  62
  63 #define MAX_SPACE_FOR_SENSE_PTR         32
  64 union mfi_sense_ptr {
  65         uint8_t         sense_ptr_data[MAX_SPACE_FOR_SENSE_PTR];
  66         void            *user_space;
  67         struct {
  68                 uint32_t        low;
  69                 uint32_t        high;
  70         } addr;
  71 } __packed;
  72
  73 #define MAX_IOCTL_SGE   16
  74
  75 struct mfi_ioc_packet {
  76         uint16_t        mfi_adapter_no;
  77         uint16_t        mfi_pad1;
  78         uint32_t        mfi_sgl_off;
  79         uint32_t        mfi_sge_count;
  80         uint32_t        mfi_sense_off;
  81         uint32_t        mfi_sense_len;
  82         union {
  83                 uint8_t raw[128];
  84                 struct mfi_frame_header hdr;
  85         } mfi_frame;
  86
  87         struct iovec mfi_sgl[MAX_IOCTL_SGE];
  88 } __packed;
  89
  90 struct mfi_ioc_aen {
  91         uint16_t        aen_adapter_no;
  92         uint16_t        aen_pad1;
  93         uint32_t        aen_seq_num;
  94         uint32_t        aen_class_locale;
  95 } __packed;
  96
  97 #define MFI_CMD         _IOWR('M', 1, struct mfi_ioc_packet)
  98 #define MFI_SET_AEN     _IOW('M', 3, struct mfi_ioc_aen)
  99
 100 #define MAX_LINUX_IOCTL_SGE     16
 101
 102 struct mfi_linux_ioc_packet {
 103         uint16_t        lioc_adapter_no;
 104         uint16_t        lioc_pad1;
 105         uint32_t        lioc_sgl_off;
 106         uint32_t        lioc_sge_count;
 107         uint32_t        lioc_sense_off;
 108         uint32_t        lioc_sense_len;
 109         union {
 110                 uint8_t raw[128];
 111                 struct mfi_frame_header hdr;
 112         } lioc_frame;
 113
 114 #if defined(__x86_64__) /* Assume amd64 wants 32 bit Linux */
 115         struct iovec32 lioc_sgl[MAX_LINUX_IOCTL_SGE];
 116 #else
 117         struct iovec lioc_sgl[MAX_LINUX_IOCTL_SGE];
 118 #endif
 119 } __packed;
 120
 121 struct mfi_ioc_passthru {
 122         struct mfi_dcmd_frame   ioc_frame;
 123         uint32_t                buf_size;
 124         uint8_t                 *buf;
 125 } __packed;
 126
 127 #define MFIIO_STATS     _IOWR('Q', 101, union mfi_statrequest)
 128 #define MFIIO_PASSTHRU  _IOWR('C', 102, struct mfi_ioc_passthru)
 129
 130 struct mfi_linux_ioc_aen {
 131         uint16_t        laen_adapter_no;
 132         uint16_t        laen_pad1;
 133         uint32_t        laen_seq_num;
 134         uint32_t        laen_class_locale;
 135 } __packed;
 136
 137 struct mfi_query_disk {
 138         uint8_t array_id;
 139         uint8_t present;
 140         uint8_t open;
 141         uint8_t reserved;       /* reserved for future use */
 142         char    devname[SPECNAMELEN + 1];
 143 } __packed;
 144
 145 #define MFIIO_QUERY_DISK        _IOWR('Q', 102, struct mfi_query_disk)
 146
 147 /*
 148  * Create a second set so the FreeBSD native ioctl doesn't
 149  * conflict in FreeBSD ioctl handler.  Translate in mfi_linux.c.
 150  */
 151 #define MFI_LINUX_CMD           0xc1144d01
 152 #define MFI_LINUX_SET_AEN       0x400c4d03
 153 #define MFI_LINUX_CMD_2         0xc1144d02
 154 #define MFI_LINUX_SET_AEN_2     0x400c4d04