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_SCSIPORT 'ISCS'
  18
  19 /* Defines how many logical unit arrays will be in a device extension */
  20 #define LUS_NUMBER 8
  21
  22 #define MAX_SG_LIST 17
  23
  24 /* Flags */
  25 #define SCSI_PORT_DEVICE_BUSY         0x0001
  26 #define SCSI_PORT_LU_ACTIVE           0x0002
  27 #define SCSI_PORT_NOTIFICATION_NEEDED 0x0004
  28 #define SCSI_PORT_NEXT_REQUEST_READY  0x0008
  29 #define SCSI_PORT_FLUSH_ADAPTERS      0x0010
  30 #define SCSI_PORT_MAP_TRANSFER        0x0020
  31 #define SCSI_PORT_RESET               0x0080
  32 #define SCSI_PORT_RESET_REQUEST       0x0100
  33 #define SCSI_PORT_RESET_REPORTED      0x0200
  34 #define SCSI_PORT_REQUEST_PENDING     0x0800
  35 #define SCSI_PORT_DISCONNECT_ALLOWED  0x1000
  36 #define SCSI_PORT_DISABLE_INT_REQUESET 0x2000
  37 #define SCSI_PORT_DISABLE_INTERRUPTS  0x4000
  38 #define SCSI_PORT_ENABLE_INT_REQUEST  0x8000
  39 #define SCSI_PORT_TIMER_NEEDED        0x10000
  40
  41 /* LUN Extension flags*/
  42 #define LUNEX_FROZEN_QUEUE        0x0001
  43 #define LUNEX_NEED_REQUEST_SENSE  0x0004
  44 #define LUNEX_BUSY                0x0008
  45 #define LUNEX_FULL_QUEUE          0x0010
  46 #define LUNEX_REQUEST_PENDING     0x0020
  47 #define SCSI_PORT_SCAN_IN_PROGRESS    0x8000
  48
  49
  50 typedef enum _SCSI_PORT_TIMER_STATES
  51 {
  52   IDETimerIdle,
  53   IDETimerCmdWait,
  54   IDETimerResetWaitForBusyNegate,
  55   IDETimerResetWaitForDrdyAssert
  56 } SCSI_PORT_TIMER_STATES;
  57
  58 typedef struct _CONFIGURATION_INFO
  59 {
  60     /* Identify info */
  61     ULONG AdapterNumber;
  62     ULONG LastAdapterNumber;
  63     ULONG BusNumber;
  64
  65     /* Registry related */
  66     HANDLE BusKey;
  67     HANDLE ServiceKey;
  68     HANDLE DeviceKey;
  69
  70     /* Features */
  71     BOOLEAN DisableTaggedQueueing;
  72     BOOLEAN DisableMultipleLun;
  73
  74     /* Parameters */
  75     PVOID Parameter;
  76     PACCESS_RANGE AccessRanges;
  77 } CONFIGURATION_INFO, *PCONFIGURATION_INFO;
  78
  79 typedef struct _SCSI_PORT_DEVICE_BASE
  80 {
  81   LIST_ENTRY List;
  82
  83   PVOID MappedAddress;
  84   ULONG NumberOfBytes;
  85   SCSI_PHYSICAL_ADDRESS IoAddress;
  86   ULONG SystemIoBusNumber;
  87 } SCSI_PORT_DEVICE_BASE, *PSCSI_PORT_DEVICE_BASE;
  88
  89 typedef struct _SCSI_SG_ADDRESS
  90 {
  91     PHYSICAL_ADDRESS PhysicalAddress;
  92     ULONG Length;
  93 } SCSI_SG_ADDRESS, *PSCSI_SG_ADDRESS;
  94
  95 typedef struct _SCSI_REQUEST_BLOCK_INFO
  96 {
  97     LIST_ENTRY Requests;
  98     PSCSI_REQUEST_BLOCK Srb;
  99     PCHAR DataOffset;
 100     PVOID SaveSenseRequest;
 101
 102     ULONG SequenceNumber;
 103
 104     /* DMA stuff */
 105     PVOID BaseOfMapRegister;
 106     ULONG NumberOfMapRegisters;
 107
 108     struct _SCSI_REQUEST_BLOCK_INFO *CompletedRequests;
 109
 110     /* Scatter-gather list */
 111     PSCSI_SG_ADDRESS ScatterGather;
 112     SCSI_SG_ADDRESS ScatterGatherList[MAX_SG_LIST];
 113 } SCSI_REQUEST_BLOCK_INFO, *PSCSI_REQUEST_BLOCK_INFO;
 114
 115 typedef struct _SCSI_PORT_LUN_EXTENSION
 116 {
 117   UCHAR PathId;
 118   UCHAR TargetId;
 119   UCHAR Lun;
 120
 121   ULONG Flags;
 122
 123   struct _SCSI_PORT_LUN_EXTENSION *Next;
 124
 125   BOOLEAN DeviceClaimed;
 126   PDEVICE_OBJECT DeviceObject;
 127
 128   INQUIRYDATA InquiryData;
 129
 130   KDEVICE_QUEUE DeviceQueue;
 131   ULONG SortKey;
 132   ULONG QueueCount;
 133   ULONG MaxQueueCount;
 134
 135   ULONG AttemptCount;
 136   LONG RequestTimeout;
 137
 138   PIRP BusyRequest;
 139   PIRP PendingRequest;
 140
 141   struct _SCSI_PORT_LUN_EXTENSION *ReadyLun;
 142   struct _SCSI_PORT_LUN_EXTENSION *CompletedAbortRequests;
 143
 144   SCSI_REQUEST_BLOCK_INFO SrbInfo;
 145
 146   /* More data? */
 147
 148   UCHAR MiniportLunExtension[1]; /* must be the last entry */
 149 } SCSI_PORT_LUN_EXTENSION, *PSCSI_PORT_LUN_EXTENSION;
 150
 151 /* Structures for inquiries support */
 152
 153 typedef struct _SCSI_LUN_INFO
 154 {
 155     UCHAR PathId;
 156     UCHAR TargetId;
 157     UCHAR Lun;
 158     BOOLEAN DeviceClaimed;
 159     PVOID DeviceObject;
 160     struct _SCSI_LUN_INFO *Next;
 161     UCHAR InquiryData[INQUIRYDATABUFFERSIZE];
 162 } SCSI_LUN_INFO, *PSCSI_LUN_INFO;
 163
 164 typedef struct _SCSI_BUS_SCAN_INFO
 165 {
 166     USHORT Length;
 167     UCHAR LogicalUnitsCount;
 168     UCHAR BusIdentifier;
 169     PSCSI_LUN_INFO LunInfo;
 170 } SCSI_BUS_SCAN_INFO, *PSCSI_BUS_SCAN_INFO;
 171
 172 typedef struct _BUSES_CONFIGURATION_INFORMATION
 173 {
 174     UCHAR NumberOfBuses;
 175     PSCSI_BUS_SCAN_INFO BusScanInfo[1];
 176 } BUSES_CONFIGURATION_INFORMATION, *PBUSES_CONFIGURATION_INFORMATION;
 177
 178
 179 typedef struct _SCSI_PORT_INTERRUPT_DATA
 180 {
 181     ULONG Flags; /* Interrupt-time flags */
 182     PSCSI_REQUEST_BLOCK_INFO CompletedRequests; /* Linked list of Srb info data */
 183     PSCSI_PORT_LUN_EXTENSION CompletedAbort;
 184     PSCSI_PORT_LUN_EXTENSION ReadyLun;
 185     PHW_TIMER HwScsiTimer;
 186     ULONG MiniportTimerValue;
 187 } SCSI_PORT_INTERRUPT_DATA, *PSCSI_PORT_INTERRUPT_DATA;
 188
 189
 190 /* Only for interrupt data saving function */
 191 typedef struct _SCSI_PORT_SAVE_INTERRUPT
 192 {
 193     PSCSI_PORT_INTERRUPT_DATA InterruptData;
 194     struct _SCSI_PORT_DEVICE_EXTENSION *DeviceExtension;
 195 } SCSI_PORT_SAVE_INTERRUPT, *PSCSI_PORT_SAVE_INTERRUPT;
 196
 197 /*
 198  * SCSI_PORT_DEVICE_EXTENSION
 199  *
 200  * DESCRIPTION
 201  *      First part of the port objects device extension. The second
 202  *      part is the miniport-specific device extension.
 203  */
 204
 205 typedef struct _SCSI_PORT_DEVICE_EXTENSION
 206 {
 207   ULONG Length;
 208   ULONG MiniPortExtensionSize;
 209   PPORT_CONFIGURATION_INFORMATION PortConfig;
 210   PBUSES_CONFIGURATION_INFORMATION BusesConfig;
 211   PVOID NonCachedExtension;
 212   ULONG PortNumber;
 213
 214   LONG ActiveRequestCounter;
 215   ULONG SrbFlags;
 216   ULONG Flags;
 217
 218   ULONG BusNum;
 219   ULONG MaxTargedIds;
 220   ULONG MaxLunCount;
 221
 222   KSPIN_LOCK IrqLock; /* Used when there are 2 irqs */
 223   ULONG SequenceNumber; /* Global sequence number for packets */
 224   KSPIN_LOCK SpinLock;
 225   PKINTERRUPT Interrupt[2];
 226   PIRP                   CurrentIrp;
 227   ULONG IrpFlags;
 228
 229   SCSI_PORT_TIMER_STATES TimerState;
 230   LONG                   TimerCount;
 231
 232   KTIMER MiniportTimer;
 233   KDPC MiniportTimerDpc;
 234
 235   PMAPPED_ADDRESS MappedAddressList;
 236
 237   ULONG LunExtensionSize;
 238   PSCSI_PORT_LUN_EXTENSION LunExtensionList[LUS_NUMBER];
 239
 240   SCSI_PORT_INTERRUPT_DATA InterruptData;
 241
 242   /* SRB extension stuff*/
 243   ULONG SrbExtensionSize;
 244   PVOID SrbExtensionBuffer;
 245   PVOID FreeSrbExtensions;
 246
 247   /* SRB information */
 248   PSCSI_REQUEST_BLOCK_INFO SrbInfo;
 249   PSCSI_REQUEST_BLOCK_INFO FreeSrbInfo;
 250   ULONG SrbDataCount;
 251
 252   IO_SCSI_CAPABILITIES PortCapabilities;
 253
 254   PDEVICE_OBJECT DeviceObject;
 255   PCONTROLLER_OBJECT ControllerObject;
 256
 257   PHW_INITIALIZE HwInitialize;
 258   PHW_STARTIO HwStartIo;
 259   PHW_INTERRUPT HwInterrupt;
 260   PHW_RESET_BUS HwResetBus;
 261   PHW_DMA_STARTED HwDmaStarted;
 262   PHW_TIMER HwScsiTimer;
 263
 264   PSCSI_REQUEST_BLOCK OriginalSrb;
 265   SCSI_REQUEST_BLOCK InternalSrb;
 266   SENSE_DATA InternalSenseData;
 267
 268   /* DMA related stuff */
 269   PADAPTER_OBJECT AdapterObject;
 270   ULONG MapRegisterCount;
 271   BOOLEAN MapBuffers;
 272   BOOLEAN MapRegisters;
 273   PVOID MapRegisterBase;
 274
 275   /* Features */
 276   BOOLEAN CachesData;
 277   BOOLEAN SupportsTaggedQueuing;
 278   BOOLEAN SupportsAutoSense;
 279   BOOLEAN MultipleReqsPerLun;
 280   BOOLEAN ReceiveEvent;
 281
 282   PHYSICAL_ADDRESS PhysicalAddress;
 283   ULONG CommonBufferLength;
 284   ULONG InterruptLevel[2];
 285   ULONG IoAddress;
 286
 287   BOOLEAN NeedSrbExtensionAlloc;
 288   BOOLEAN NeedSrbDataAlloc;
 289
 290   ULONG RequestsNumber;
 291
 292   ULONG InterruptCount;
 293
 294   UCHAR MiniPortDeviceExtension[1]; /* must be the last entry */
 295 } SCSI_PORT_DEVICE_EXTENSION, *PSCSI_PORT_DEVICE_EXTENSION;
 296
 297 typedef struct _RESETBUS_PARAMS
 298 {
 299     ULONG PathId;
 300     PSCSI_PORT_DEVICE_EXTENSION DeviceExtension;
 301 } RESETBUS_PARAMS, *PRESETBUS_PARAMS;