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