aacraid.h

   1 /* aacraid.h
   2  * Copyright (C) 2014 Raghava Aditya <Raghava.Aditya@pmcs.com>
   3  * Copyright (C) 2015 Nidhi Malhotra <Nidhi.Malhotra@pmcs.com>
   4  *
   5  * SPDX-License-Identifier: GPL-2.0-or-later
   6  */
   7
   8 // Check windows
   9 #if defined(_WIN32) || defined(_WIN64)
  10 #ifdef _WIN64
  11   #define ENVIRONMENT64
  12 #else
  13   #define ENVIRONMENT32
  14 #endif
  15 #endif
  16
  17 // Check GCC
  18 #if __GNUC__
  19 #if __x86_64__ || __ppc64__
  20   #define ENVIRONMENT64
  21 #else
  22   #define ENVIRONMENT32
  23 #endif
  24 #endif
  25
  26 #define METHOD_BUFFERED 0
  27 #define METHOD_NEITHER  3
  28
  29 #if defined(_WIN32) || defined(_WIN64)
  30 #define FSAMPCTL_SCSI_BASE          IOCTL_SCSI_BASE
  31 #define ARCIOCTL_SEND_RAW_SRB       CTL_CODE(FSAMPCTL_SCSI_BASE, 2201, METHOD_BUFFERED, FILE_ANY_ACCESS)
  32 #define AACRAID_SAS_SIGNATURE       "ARCSAS"
  33 #define SRB_FLAGS_DATA_IN           0x00000040
  34 #define SRB_FLAGS_DATA_OUT          0x00000080
  35 #define SRB_FLAGS_NO_DATA_TRANSFER  0x00000000
  36 #else
  37 #define CTL_CODE(function, method) ((4<< 16) | ((function) << 2) | (method) )
  38
  39 #define FSACTL_SEND_RAW_SRB  CTL_CODE(2067, METHOD_BUFFERED)
  40 #endif
  41 #define  SRB_FUNCTION_EXECUTE_SCSI 0X00
  42
  43 #define  SRB_DataIn      0x0040
  44 #define  SRB_DataOut     0x0080
  45 #define  SRB_NoDataXfer  0x0000
  46
  47 typedef struct {
  48   uint32_t lo32;
  49   uint32_t hi32;
  50   }  address64;
  51
  52 typedef struct {
  53   address64 addr64;
  54   uint32_t length;  /* Length. */
  55   }  user_sgentry64;
  56
  57 typedef struct {
  58   uint32_t addr32;
  59   uint32_t length;
  60   }  user_sgentry32;
  61
  62 typedef struct {
  63   uint32_t         count;
  64   user_sgentry64   sg64[1];
  65   }  user_sgmap64;
  66
  67 typedef struct {
  68   uint32_t         count;
  69   user_sgentry32   sg32[1];
  70   }  user_sgmap32;
  71
  72 #if defined(_WIN32) || defined(_WIN64)
  73 typedef struct _SCSI_REQUEST_BLOCK {
  74     USHORT Length;                  // offset 0
  75     UCHAR Function;                 // offset 2
  76     UCHAR SrbStatus;                // offset 3
  77     UCHAR ScsiStatus;               // offset 4
  78     UCHAR PathId;                   // offset 5
  79     UCHAR TargetId;                 // offset 6
  80     UCHAR Lun;                      // offset 7
  81     UCHAR QueueTag;                 // offset 8
  82     UCHAR QueueAction;              // offset 9
  83     UCHAR CdbLength;                // offset a
  84     UCHAR SenseInfoBufferLength;    // offset b
  85     ULONG SrbFlags;                 // offset c
  86     ULONG DataTransferLength;       // offset 10
  87     ULONG TimeOutValue;             // offset 14
  88     PVOID DataBuffer;               // offset 18
  89     PVOID SenseInfoBuffer;          // offset 1c
  90     struct _SCSI_REQUEST_BLOCK *NextSrb; // offset 20
  91     PVOID OriginalRequest;          // offset 24
  92     PVOID SrbExtension;             // offset 28
  93     union {
  94         ULONG InternalStatus;       // offset 2c
  95         ULONG QueueSortKey;         // offset 2c
  96     };
  97
  98 #if defined(_WIN64)
  99     //
 100     // Force PVOID alignment of Cdb
 101     //
 102     ULONG Reserved;
 103 #endif
 104
 105     UCHAR Cdb[16];                  // offset 30
 106 } SCSI_REQUEST_BLOCK, *PSCSI_REQUEST_BLOCK;
 107
 108 #define SCSI_REQUEST_BLOCK_SIZE sizeof(SCSI_REQUEST_BLOCK)
 109
 110 #else
 111 typedef struct {
 112   uint32_t function;           //SRB_FUNCTION_EXECUTE_SCSI 0x00
 113   uint32_t channel;            //bus
 114   uint32_t id;                 //use the ID number this is wrong
 115   uint32_t lun;                //Logical unit number
 116   uint32_t timeout;
 117   uint32_t flags;              //Interesting stuff I must say
 118   uint32_t count;              // Data xfer size
 119   uint32_t retry_limit;        // We shall see
 120   uint32_t cdb_size;           // Length of CDB
 121   uint8_t  cdb[16];            // The actual cdb command
 122   user_sgmap64 sg64;           // pDatabuffer and address of Databuffer
 123   }  user_aac_srb64;
 124
 125 typedef struct {
 126   uint32_t function;           //SRB_FUNCTION_EXECUTE_SCSI 0x00
 127   uint32_t channel;            //bus
 128   uint32_t id;                 //use the ID number this is wrong
 129   uint32_t lun;                //Logical unit number
 130   uint32_t timeout;
 131   uint32_t flags;              //Interesting stuff I must say
 132   uint32_t count;              // Data xfer size
 133   uint32_t retry_limit;        // We shall see
 134   uint32_t cdb_size;           // Length of CDB
 135   uint8_t  cdb[16];            // The actual cdb command
 136   user_sgmap32 sg32;           // pDatabuffer and address of Databuffer
 137   }  user_aac_srb32;
 138
 139 typedef struct {
 140   uint32_t status;
 141   uint32_t srb_status;
 142   uint32_t scsi_status;
 143   uint32_t data_xfer_length;
 144   uint32_t sense_data_size;
 145   uint8_t  sense_data[30];
 146   }  user_aac_reply;
 147 #endif