reactos/drivers/storage/scsiport/scsiport_int.h

   1 /*
   2  * SCSI_PORT_TIMER_STATES
   3  *
   4  * DESCRIPTION
   5  *      An enumeration containing the states in the timer DFA
   6  */
   7
   8 #define VERSION "0.0.3"
   9
  10 #ifndef PAGE_ROUND_UP
  11 #define PAGE_ROUND_UP(x) ( (((ULONG_PTR)x)%PAGE_SIZE) ? ((((ULONG_PTR)x)&(~(PAGE_SIZE-1)))+PAGE_SIZE) : ((ULONG_PTR)x) )
  12 #endif
  13 #ifndef ROUND_UP
  14 #define ROUND_UP(N, S) ((((N) + (S) - 1) / (S)) * (S))
  15 #endif
  16
  17 #define TAG(A, B, C, D) (ULONG)(((A)<<0) + ((B)<<8) + ((C)<<16) + ((D)<<24))
  18
  19 typedef enum _SCSI_PORT_TIMER_STATES
  20 {
  21   IDETimerIdle,
  22   IDETimerCmdWait,
  23   IDETimerResetWaitForBusyNegate,
  24   IDETimerResetWaitForDrdyAssert
  25 } SCSI_PORT_TIMER_STATES;
  26
  27
  28 typedef struct _SCSI_PORT_DEVICE_BASE
  29 {
  30   LIST_ENTRY List;
  31
  32   PVOID MappedAddress;
  33   ULONG NumberOfBytes;
  34   SCSI_PHYSICAL_ADDRESS IoAddress;
  35   ULONG SystemIoBusNumber;
  36 } SCSI_PORT_DEVICE_BASE, *PSCSI_PORT_DEVICE_BASE;
  37
  38
  39 typedef struct _SCSI_PORT_LUN_EXTENSION
  40 {
  41   LIST_ENTRY List;
  42
  43   UCHAR PathId;
  44   UCHAR TargetId;
  45   UCHAR Lun;
  46
  47   BOOLEAN DeviceClaimed;
  48   PDEVICE_OBJECT DeviceObject;
  49
  50   INQUIRYDATA InquiryData;
  51
  52   ULONG PendingIrpCount;
  53   ULONG ActiveIrpCount;
  54
  55   PIRP NextIrp;
  56   ULONG Flags;
  57
  58   /* More data? */
  59
  60   UCHAR MiniportLunExtension[1]; /* must be the last entry */
  61 } SCSI_PORT_LUN_EXTENSION, *PSCSI_PORT_LUN_EXTENSION;
  62
  63
  64 /*
  65  * SCSI_PORT_DEVICE_EXTENSION
  66  *
  67  * DESCRIPTION
  68  *      First part of the port objects device extension. The second
  69  *      part is the miniport-specific device extension.
  70  */
  71
  72 typedef struct _SCSI_PORT_DEVICE_EXTENSION
  73 {
  74   ULONG Length;
  75   ULONG MiniPortExtensionSize;
  76   PPORT_CONFIGURATION_INFORMATION PortConfig;
  77   ULONG PortNumber;
  78
  79   KSPIN_LOCK Lock;
  80   ULONG Flags;
  81
  82   PKINTERRUPT Interrupt;
  83
  84   SCSI_PORT_TIMER_STATES TimerState;
  85   LONG                   TimerCount;
  86
  87   LIST_ENTRY DeviceBaseListHead;
  88
  89   ULONG LunExtensionSize;
  90   LIST_ENTRY LunExtensionListHead;
  91
  92   ULONG SrbExtensionSize;
  93
  94   PIO_SCSI_CAPABILITIES PortCapabilities;
  95
  96   PDEVICE_OBJECT DeviceObject;
  97   PCONTROLLER_OBJECT ControllerObject;
  98
  99   PHW_STARTIO HwStartIo;
 100   PHW_INTERRUPT HwInterrupt;
 101
 102
 103   /* DMA related stuff */
 104   PADAPTER_OBJECT AdapterObject;
 105   ULONG MapRegisterCount;
 106
 107   PHYSICAL_ADDRESS PhysicalAddress;
 108   PVOID VirtualAddress;
 109   RTL_BITMAP SrbExtensionAllocMap;
 110   ULONG MaxSrbExtensions;
 111   ULONG CurrentSrbExtensions;
 112   ULONG CommonBufferLength;
 113
 114   LIST_ENTRY PendingIrpListHead;
 115   PIRP NextIrp;
 116   ULONG PendingIrpCount;
 117   ULONG ActiveIrpCount;
 118
 119   UCHAR MiniPortDeviceExtension[1]; /* must be the last entry */
 120 } SCSI_PORT_DEVICE_EXTENSION, *PSCSI_PORT_DEVICE_EXTENSION;
 121
 122 typedef struct _SCSI_PORT_SCAN_ADAPTER
 123 {
 124   KEVENT Event;
 125   IO_STATUS_BLOCK IoStatusBlock;
 126   NTSTATUS Status;
 127   PSCSI_PORT_LUN_EXTENSION LunExtension;
 128   ULONG Lun;
 129   ULONG Bus;
 130   ULONG Target;
 131   SCSI_REQUEST_BLOCK Srb;
 132   UCHAR DataBuffer[256];
 133   BOOLEAN Active;
 134 } SCSI_PORT_SCAN_ADAPTER, *PSCSI_PORT_SCAN_ADAPTER;
 135
 136