Leaked source code of windows server 2003
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/*++
Copyright (c) Microsoft Corporation. All rights reserved.
Module Name:
portlib.h
Abstract:
Contains all structure and routine definitions for storage port driver
library.
Author:
John Strange (JohnStra)
Environment:
Kernel mode only.
Notes:
Revision History:
--*/
#ifndef _PASSTHRU_H_
#define _PASSTHRU_H_
#ifdef __cplusplus
extern "C" {
#endif // __cplusplus
typedef struct _PORT_PASSTHROUGH_INFO {
PDEVICE_OBJECT Pdo;
PSCSI_PASS_THROUGH SrbControl;
PIRP RequestIrp;
PVOID Buffer;
PVOID SrbBuffer;
ULONG BufferOffset;
ULONG Length;
#if defined (_WIN64)
PSCSI_PASS_THROUGH32 SrbControl32;
SCSI_PASS_THROUGH SrbControl64;
#endif
UCHAR MajorCode;
} PORT_PASSTHROUGH_INFO, *PPORT_PASSTHROUGH_INFO;
typedef struct _PORT_ADAPTER_REGISTRY_VALUES {
ULONG MaxLuCount;
ULONG EnableDebugging;
ULONG SrbFlags;
PHYSICAL_ADDRESS MinimumCommonBufferBase;
PHYSICAL_ADDRESS MaximumCommonBufferBase;
ULONG NumberOfRequests;
ULONG InquiryTimeout;
ULONG ResetHoldTime;
ULONG UncachedExtAlignment;
BOOLEAN CreateInitiatorLU;
BOOLEAN DisableTaggedQueueing;
BOOLEAN DisableMultipleLu;
ULONG AdapterNumber;
ULONG BusNumber;
PVOID Parameter;
PACCESS_RANGE AccessRanges;
UNICODE_STRING RegistryPath;
PORT_CONFIGURATION_INFORMATION PortConfig;
}PORT_ADAPTER_REGISTRY_VALUES, *PPORT_ADAPTER_REGISTRY_VALUES;
//
// registry parameters
//
#define MAXIMUM_LOGICAL_UNIT 0x00001
#define INITIATOR_TARGET_ID 0x00002
#define SCSI_DEBUG 0x00004
#define BREAK_POINT_ON_ENTRY 0x00008
#define DISABLE_SYNCHRONOUS_TRANSFERS 0x00010
#define DISABLE_DISCONNECTS 0x00020
#define DISABLE_TAGGED_QUEUING 0x00040
#define DISABLE_MULTIPLE_REQUESTS 0x00080
#define MAXIMUM_UCX_ADDRESS 0x00100
#define MINIMUM_UCX_ADDRESS 0x00200
#define DRIVER_PARAMETERS 0x00400
#define MAXIMUM_SG_LIST 0x00800
#define NUMBER_OF_REQUESTS 0x01000
#define RESOURCE_LIST 0x02000
#define CONFIGURATION_DATA 0x04000
#define UNCACHED_EXT_ALIGNMENT 0x08000
#define INQUIRY_TIMEOUT 0x10000
#define RESET_HOLD_TIME 0x20000
#define CREATE_INITIATOR_LU 0x40000
//
// Uninitialized flag value.
//
#define PORT_UNINITIALIZED_VALUE ((ULONG) ~0)
//
// Define PORT maximum configuration parameters.
//
#define PORT_MAXIMUM_LOGICAL_UNITS 8
#define PORT_MINIMUM_PHYSICAL_BREAKS 16
#define PORT_MAXIMUM_PHYSICAL_BREAKS 255
#define MAX_UNCACHED_EXT_ALIGNMENT 16
#define MIN_UNCACHED_EXT_ALIGNMENT 3
#define MAX_TIMEOUT_VALUE 60
#define MAX_RESET_HOLD_TIME 60
//
// Define the mimimum and maximum number of srb extensions which will be allocated.
//
#define MINIMUM_EXTENSIONS 16
#define MAXIMUM_EXTENSIONS 255
//
// This routine verifies that the supplied IRP contains a valid
// SCSI_PASS_THROUGH structure and returns a pointer to a SCSI_PASS_THROUGH
// structure witch the caller may use. If necessary, the routine will marshal
// the contents of the structure from 32-bit to 64-bit format. If the caller
// makes any changes to the contents of the SCSI_PASS_THROUGH structure, it
// must call PortPassThroughCleanup in case the structure needs to be marshaled
// back to its original format.
//
NTSTATUS
PortGetPassThrough(
IN OUT PPORT_PASSTHROUGH_INFO PassThroughInfo,
IN PIRP Irp,
IN BOOLEAN Direct
);
//
// This routine should be called after processing a passthrough request. The
// routine will perform any necessary cleanup and it will ensure that any
// changes made to the SCSI_PASS_THROUGH structure are marshaled back to the
// original format if necessary.
//
VOID
PortPassThroughCleanup(
IN PPORT_PASSTHROUGH_INFO PassThroughInfo
);
//
// This routine performs validation checks on the input and output buffers
// supplied by the caller and performs all the required initialization
// in preperation for proper handling of a SCSI passthrough request.
//
NTSTATUS
PortPassThroughInitialize(
IN OUT PPORT_PASSTHROUGH_INFO PassThroughInfo,
IN PIRP Irp,
IN PIO_SCSI_CAPABILITIES Capabilities,
IN PDEVICE_OBJECT Pdo,
IN BOOLEAN Direct
);
//
// This routine initialize a caller-supplied SRB for dispatching.
//
NTSTATUS
PortPassThroughInitializeSrb(
IN PPORT_PASSTHROUGH_INFO PassThroughInfo,
IN PSCSI_REQUEST_BLOCK Srb,
IN PIRP Irp,
IN ULONG SrbFlags,
IN PVOID SenseBuffer
);
//
// This routine offers a turn-key passthrough solution. The caller must
// have called PortGetPassThrough to initialize a pointer to the
// SCSI_PASS_THROUGH structure and obtained a pointer to the PDO to which
// the passthrough request is to be dispatched. This routine does the rest.
//
NTSTATUS
PortSendPassThrough(
IN PDEVICE_OBJECT Pdo,
IN PIRP Irp,
IN BOOLEAN Direct,
IN ULONG SrbFlags,
IN PIO_SCSI_CAPABILITIES Capabilities
);
//
// This routine will safely set the SCSI address in the SCSI_PASS_THROUGH
// structure of the supplied IRP.
//
NTSTATUS
PortSetPassThroughAddress(
IN PIRP Irp,
IN UCHAR PathId,
IN UCHAR TargetId,
IN UCHAR Lun
);
VOID
PortPassThroughMarshalResults(
IN PPORT_PASSTHROUGH_INFO PassThroughInfo,
IN PSCSI_REQUEST_BLOCK Srb,
IN PIRP RequestIrp,
IN PIO_STATUS_BLOCK IoStatusBlock,
IN BOOLEAN Direct
);
NTSTATUS
PortGetMPIODeviceList(
IN PUNICODE_STRING RegistryPath,
OUT PUNICODE_STRING MPIODeviceList
);
BOOLEAN
PortIsDeviceMPIOSupported(
IN PUNICODE_STRING DeviceList,
IN PUCHAR VendorId,
IN PUCHAR ProductId
);
NTSTATUS
PortGetPassThroughAddress(
IN PIRP Irp,
OUT PUCHAR PathId,
OUT PUCHAR TargetId,
OUT PUCHAR Lun
);
//
// Bugcheck Callback support structures and routines.
//
typedef struct _KBUGCHECK_DATA {
ULONG BugCheckCode;
ULONG_PTR BugCheckParameter1;
ULONG_PTR BugCheckParameter2;
ULONG_PTR BugCheckParameter3;
ULONG_PTR BugCheckParameter4;
} KBUGCHECK_DATA, *PKBUGCHECK_DATA;
typedef
(*PPORT_BUGCHECK_CALLBACK_ROUTINE)(
IN PKBUGCHECK_DATA BugcheckData,
IN PVOID BugcheckBuffer,
IN ULONG BugcheckBufferSize,
IN PULONG BugcheckBufferUsed
);
typedef const GUID* PCGUID;
//
// Registry access support routines.
//
NTSTATUS
PortRegisterBugcheckCallback(
IN PCGUID BugcheckDataGuid,
IN PPORT_BUGCHECK_CALLBACK_ROUTINE BugcheckRoutine
);
NTSTATUS
PortDeregisterBugcheckCallback(
IN PCGUID BugcheckDataGuid
);
HANDLE
PortOpenDeviceKey(
IN PUNICODE_STRING RegistryPath,
IN ULONG DeviceNumber
);
VOID
PortGetDriverParameters(
IN PUNICODE_STRING RegistryPath,
IN ULONG DeviceNumber,
OUT PVOID * DriverParameters
);
VOID
PortGetLinkTimeoutValue(
IN PUNICODE_STRING RegistryPath,
IN ULONG DeviceNumber,
OUT PULONG LinkTimeoutValue
);
VOID
PortGetDiskTimeoutValue(
OUT PULONG DiskTimeout
);
VOID
PortFreeDriverParameters(
IN PVOID DriverParameters
);
VOID
PortGetRegistrySettings(
IN PUNICODE_STRING RegistryPath,
IN ULONG DeviceNumber,
IN PPORT_ADAPTER_REGISTRY_VALUES Context,
IN ULONG Fields
);
//
// This structure describes the information needed by the registry routine library
// to handle the memory allocations and frees for the miniport.
//
typedef struct _PORT_REGISTRY_INFO {
//
// Size, in bytes, of the structure.
//
ULONG Size;
//
// Not used currently, but if multiple buffers are allowed, link them here.
//
LIST_ENTRY ListEntry;
//
// G.P. SpinLock
//
KSPIN_LOCK SpinLock;
//
// The miniport's registry buffer.
//
PUCHAR Buffer;
//
// The allocated length of the buffer.
//
ULONG AllocatedLength;
//
// The size currently being used.
//
ULONG CurrentLength;
//
// Used to pass around what the buffer should be for the current
// operation.
//
ULONG LengthNeeded;
//
// Offset into the Buffer that should be used for the
// current operation.
//
ULONG Offset;
//
// Various state bits. See below for defines.
//
ULONG Flags;
//
// Used to pass status back and forth between
// the portlib calling routine and the registry
// callback.
//
NTSTATUS InternalStatus;
} PORT_REGISTRY_INFO, *PPORT_REGISTRY_INFO;
NTSTATUS
PortMiniportRegistryInitialize(
IN OUT PPORT_REGISTRY_INFO PortContext
);
VOID
PortMiniportRegistryDestroy(
IN PPORT_REGISTRY_INFO PortContext
);
NTSTATUS
PortAllocateRegistryBuffer(
IN PPORT_REGISTRY_INFO PortContext
);
NTSTATUS
PortFreeRegistryBuffer(
IN PPORT_REGISTRY_INFO PortContext
);
NTSTATUS
PortBuildRegKeyName(
IN PUNICODE_STRING RegistryPath,
IN OUT PUNICODE_STRING KeyName,
IN ULONG PortNumber,
IN ULONG Global
);
NTSTATUS
PortAsciiToUnicode(
IN PUCHAR AsciiString,
OUT PUNICODE_STRING UnicodeString
);
NTSTATUS
PortRegistryRead(
IN PUNICODE_STRING RegistryKeyName,
IN PUNICODE_STRING ValueName,
IN ULONG Type,
IN PPORT_REGISTRY_INFO PortContext
);
NTSTATUS
PortRegistryWrite(
IN PUNICODE_STRING RegistryKeyName,
IN PUNICODE_STRING ValueName,
IN ULONG Type,
IN PPORT_REGISTRY_INFO PortContext
);
VOID
PortReadRegistrySettings(
IN HANDLE Key,
IN PPORT_ADAPTER_REGISTRY_VALUES Context,
IN ULONG Fields
);
NTSTATUS
PortCreateKeyEx(
IN HANDLE Key,
IN ULONG CreateOptions,
OUT PHANDLE NewKeyBuffer, OPTIONAL
IN PCWSTR Format,
...
);
//
// Additional data type for the Type parameter in PortSetValueKey.
//
#define PORT_REG_ANSI_STRING (0x07232002)
NTSTATUS
PortSetValueKey(
IN HANDLE KeyHandle,
IN PCWSTR ValueName,
IN ULONG Type,
IN PVOID Data,
IN ULONG DataSize
);
//
// SCSI DEVIC TYPE structure.
//
typedef struct _SCSI_DEVICE_TYPE {
//
// String specifying the device name, e.g., "Disk", "Sequential", etc.
//
PCSTR Name;
//
// The generic device name for this device, e.g., "GenDisk",
// "GenPrinter", etc.
//
PCSTR GenericName;
//
// Name of the device as stored in the SCSI DeviceMap.
//
PCWSTR DeviceMap;
//
// Is this a storage device?
//
BOOLEAN IsStorage;
} SCSI_DEVICE_TYPE, *PSCSI_DEVICE_TYPE;
typedef const SCSI_DEVICE_TYPE* PCSCSI_DEVICE_TYPE;
typedef GUID* PGUID;
PCSCSI_DEVICE_TYPE
PortGetDeviceType(
IN ULONG DeviceType
);
NTSTATUS
PortOpenMapKey(
OUT PHANDLE DeviceMapKey
);
NTSTATUS
PortMapBuildAdapterEntry(
IN HANDLE DeviceMapKey,
IN ULONG PortNumber,
IN ULONG InterruptLevel,
IN ULONG IoAddress,
IN ULONG Dma64BitAddresses,
IN PUNICODE_STRING DriverName,
IN PGUID BusType, OPTIONAL
OUT PHANDLE AdapterKey OPTIONAL
);
NTSTATUS
PortMapBuildBusEntry(
IN HANDLE AdapterKey,
IN ULONG BusId,
IN ULONG InitiatorId,
OUT PHANDLE BusKeyBuffer OPTIONAL
);
NTSTATUS
PortMapBuildTargetEntry(
IN HANDLE BusKey,
IN ULONG TargetId,
OUT PHANDLE TargetKey OPTIONAL
);
NTSTATUS
PortMapBuildLunEntry(
IN HANDLE TargetKey,
IN ULONG Lun,
IN PINQUIRYDATA InquiryData,
IN PANSI_STRING SerialNumber, OPTIONAL
PVOID DeviceId,
IN ULONG DeviceIdLength,
OUT PHANDLE LunKeyBuffer OPTIONAL
);
NTSTATUS
PortMapDeleteAdapterEntry(
IN ULONG PortId
);
NTSTATUS
PortMapDeleteLunEntry(
IN ULONG PortId,
IN ULONG BusId,
IN ULONG TargetId,
IN ULONG Lun
);
typedef struct _INTERNAL_WAIT_CONTEXT_BLOCK {
ULONG Flags;
PMDL Mdl;
PMDL DmaMdl;
PVOID MapRegisterBase;
PVOID CurrentVa;
ULONG Length;
ULONG NumberOfMapRegisters;
union {
struct {
WAIT_CONTEXT_BLOCK Wcb;
PDRIVER_LIST_CONTROL DriverExecutionRoutine;
PVOID DriverContext;
PIRP CurrentIrp;
PADAPTER_OBJECT AdapterObject;
BOOLEAN WriteToDevice;
};
SCATTER_GATHER_LIST ScatterGather;
};
} INTERNAL_WAIT_CONTEXT_BLOCK, *PINTERNAL_WAIT_CONTEXT_BLOCK;
#ifdef __cplusplus
}
#endif // __cplusplus
#endif //_PASSTHRU_H_