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66cf1d20f4
This seems logical and some miniport drivers (uniata) actually rely on that. CORE-17424
475 lines
11 KiB
C
475 lines
11 KiB
C
/*
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* SCSI_PORT_TIMER_STATES
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*
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* DESCRIPTION
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* An enumeration containing the states in the timer DFA
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*/
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#pragma once
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#include <ntifs.h>
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#include <stdio.h>
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#include <scsi.h>
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#include <ntddscsi.h>
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#include <ntdddisk.h>
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#include <mountdev.h>
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#ifdef DBG
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#include <debug/driverdbg.h>
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#endif
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#define TAG_SCSIPORT 'ISCS'
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/* Defines how many logical unit arrays will be in a device extension */
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#define LUS_NUMBER 8
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#define MAX_SG_LIST 17
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/* Flags */
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#define SCSI_PORT_DEVICE_BUSY 0x00001
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#define SCSI_PORT_LU_ACTIVE 0x00002
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#define SCSI_PORT_NOTIFICATION_NEEDED 0x00004
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#define SCSI_PORT_NEXT_REQUEST_READY 0x00008
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#define SCSI_PORT_FLUSH_ADAPTERS 0x00010
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#define SCSI_PORT_MAP_TRANSFER 0x00020
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#define SCSI_PORT_RESET 0x00080
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#define SCSI_PORT_RESET_REQUEST 0x00100
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#define SCSI_PORT_RESET_REPORTED 0x00200
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#define SCSI_PORT_REQUEST_PENDING 0x00800
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#define SCSI_PORT_DISCONNECT_ALLOWED 0x01000
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#define SCSI_PORT_DISABLE_INT_REQUESET 0x02000
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#define SCSI_PORT_DISABLE_INTERRUPTS 0x04000
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#define SCSI_PORT_ENABLE_INT_REQUEST 0x08000
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#define SCSI_PORT_TIMER_NEEDED 0x10000
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/* LUN Extension flags*/
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#define LUNEX_FROZEN_QUEUE 0x0001
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#define LUNEX_NEED_REQUEST_SENSE 0x0004
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#define LUNEX_BUSY 0x0008
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#define LUNEX_FULL_QUEUE 0x0010
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#define LUNEX_REQUEST_PENDING 0x0020
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#define SCSI_PORT_SCAN_IN_PROGRESS 0x8000
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// we need this to be compatible with ReactOS' classpnp (which is compiled with NTDDI_WIN8)
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typedef struct _STORAGE_ADAPTER_DESCRIPTOR_WIN8 {
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ULONG Version;
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ULONG Size;
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ULONG MaximumTransferLength;
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ULONG MaximumPhysicalPages;
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ULONG AlignmentMask;
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BOOLEAN AdapterUsesPio;
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BOOLEAN AdapterScansDown;
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BOOLEAN CommandQueueing;
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BOOLEAN AcceleratedTransfer;
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UCHAR BusType;
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USHORT BusMajorVersion;
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USHORT BusMinorVersion;
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UCHAR SrbType;
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UCHAR AddressType;
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} STORAGE_ADAPTER_DESCRIPTOR_WIN8, *PSTORAGE_ADAPTER_DESCRIPTOR_WIN8;
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typedef enum _SCSI_PORT_TIMER_STATES
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{
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IDETimerIdle,
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IDETimerCmdWait,
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IDETimerResetWaitForBusyNegate,
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IDETimerResetWaitForDrdyAssert
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} SCSI_PORT_TIMER_STATES;
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typedef struct _CONFIGURATION_INFO
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{
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/* Identify info */
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ULONG AdapterNumber;
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ULONG LastAdapterNumber;
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ULONG BusNumber;
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/* Registry related */
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HANDLE BusKey;
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HANDLE ServiceKey;
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HANDLE DeviceKey;
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/* Features */
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BOOLEAN DisableTaggedQueueing;
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BOOLEAN DisableMultipleLun;
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/* Parameters */
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PVOID Parameter;
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PACCESS_RANGE AccessRanges;
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} CONFIGURATION_INFO, *PCONFIGURATION_INFO;
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typedef struct _SCSI_PORT_DEVICE_BASE
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{
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LIST_ENTRY List;
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PVOID MappedAddress;
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ULONG NumberOfBytes;
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SCSI_PHYSICAL_ADDRESS IoAddress;
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ULONG SystemIoBusNumber;
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} SCSI_PORT_DEVICE_BASE, *PSCSI_PORT_DEVICE_BASE;
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typedef struct _SCSI_SG_ADDRESS
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{
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PHYSICAL_ADDRESS PhysicalAddress;
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ULONG Length;
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} SCSI_SG_ADDRESS, *PSCSI_SG_ADDRESS;
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typedef struct _SCSI_REQUEST_BLOCK_INFO
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{
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LIST_ENTRY Requests;
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PSCSI_REQUEST_BLOCK Srb;
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PCHAR DataOffset;
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PVOID SaveSenseRequest;
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ULONG SequenceNumber;
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/* DMA stuff */
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PVOID BaseOfMapRegister;
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ULONG NumberOfMapRegisters;
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struct _SCSI_REQUEST_BLOCK_INFO *CompletedRequests;
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/* Scatter-gather list */
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PSCSI_SG_ADDRESS ScatterGather;
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SCSI_SG_ADDRESS ScatterGatherList[MAX_SG_LIST];
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} SCSI_REQUEST_BLOCK_INFO, *PSCSI_REQUEST_BLOCK_INFO;
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typedef struct _SCSI_PORT_COMMON_EXTENSION
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{
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PDEVICE_OBJECT DeviceObject;
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PDEVICE_OBJECT LowerDevice;
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BOOLEAN IsFDO;
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} SCSI_PORT_COMMON_EXTENSION, *PSCSI_PORT_COMMON_EXTENSION;
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// PDO device
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typedef struct _SCSI_PORT_LUN_EXTENSION
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{
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SCSI_PORT_COMMON_EXTENSION Common;
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UCHAR PathId;
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UCHAR TargetId;
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UCHAR Lun;
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ULONG Flags;
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LIST_ENTRY LunEntry;
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BOOLEAN DeviceClaimed;
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INQUIRYDATA InquiryData;
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KDEVICE_QUEUE DeviceQueue;
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ULONG SortKey;
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ULONG QueueCount;
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ULONG MaxQueueCount;
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ULONG AttemptCount;
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LONG RequestTimeout;
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PIRP BusyRequest;
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PIRP PendingRequest;
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struct _SCSI_PORT_LUN_EXTENSION *ReadyLun;
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struct _SCSI_PORT_LUN_EXTENSION *CompletedAbortRequests;
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SCSI_REQUEST_BLOCK_INFO SrbInfo;
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HANDLE RegistryMapKey;
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/* More data? */
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UCHAR MiniportLunExtension[1]; /* must be the last entry */
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} SCSI_PORT_LUN_EXTENSION, *PSCSI_PORT_LUN_EXTENSION;
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/* Structures for inquiries support */
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typedef struct _SCSI_BUS_INFO
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{
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LIST_ENTRY LunsListHead;
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UCHAR LogicalUnitsCount;
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UCHAR TargetsCount;
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UCHAR BusIdentifier;
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HANDLE RegistryMapKey;
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} SCSI_BUS_INFO, *PSCSI_BUS_INFO;
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typedef struct _SCSI_PORT_INTERRUPT_DATA
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{
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ULONG Flags; /* Interrupt-time flags */
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PSCSI_REQUEST_BLOCK_INFO CompletedRequests; /* Linked list of Srb info data */
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PSCSI_PORT_LUN_EXTENSION CompletedAbort;
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PSCSI_PORT_LUN_EXTENSION ReadyLun;
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PHW_TIMER HwScsiTimer;
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ULONG MiniportTimerValue;
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} SCSI_PORT_INTERRUPT_DATA, *PSCSI_PORT_INTERRUPT_DATA;
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/* Only for interrupt data saving function */
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typedef struct _SCSI_PORT_SAVE_INTERRUPT
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{
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PSCSI_PORT_INTERRUPT_DATA InterruptData;
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struct _SCSI_PORT_DEVICE_EXTENSION *DeviceExtension;
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} SCSI_PORT_SAVE_INTERRUPT, *PSCSI_PORT_SAVE_INTERRUPT;
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/*
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* SCSI_PORT_DEVICE_EXTENSION
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*
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* DESCRIPTION
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* First part of the port objects device extension. The second
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* part is the miniport-specific device extension.
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*/
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#ifdef _WIN64
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#define ALIGNAS_PTR DECLSPEC_ALIGN(8)
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#else
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#define ALIGNAS_PTR DECLSPEC_ALIGN(4)
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#endif
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// FDO
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typedef struct _SCSI_PORT_DEVICE_EXTENSION
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{
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SCSI_PORT_COMMON_EXTENSION Common;
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ULONG Length;
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ULONG MiniPortExtensionSize;
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PPORT_CONFIGURATION_INFORMATION PortConfig;
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PSCSI_BUS_INFO Buses; // children LUNs are stored here
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PVOID NonCachedExtension;
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ULONG PortNumber;
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LONG ActiveRequestCounter;
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ULONG SrbFlags;
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ULONG Flags;
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UCHAR NumberOfBuses;
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ULONG MaxTargedIds;
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ULONG MaxLunCount;
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KSPIN_LOCK IrqLock; /* Used when there are 2 irqs */
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ULONG SequenceNumber; /* Global sequence number for packets */
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KSPIN_LOCK SpinLock;
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PKINTERRUPT Interrupt[2];
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PIRP CurrentIrp;
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ULONG IrpFlags;
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SCSI_PORT_TIMER_STATES TimerState;
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LONG TimerCount;
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KTIMER MiniportTimer;
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KDPC MiniportTimerDpc;
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PMAPPED_ADDRESS MappedAddressList;
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ULONG LunExtensionSize;
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SCSI_PORT_INTERRUPT_DATA InterruptData;
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/* SRB extension stuff*/
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ULONG SrbExtensionSize;
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PVOID SrbExtensionBuffer;
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PVOID FreeSrbExtensions;
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/* SRB information */
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PSCSI_REQUEST_BLOCK_INFO SrbInfo;
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PSCSI_REQUEST_BLOCK_INFO FreeSrbInfo;
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ULONG SrbDataCount;
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IO_SCSI_CAPABILITIES PortCapabilities;
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PCONTROLLER_OBJECT ControllerObject;
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PHW_INITIALIZE HwInitialize;
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PHW_STARTIO HwStartIo;
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PHW_INTERRUPT HwInterrupt;
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PHW_RESET_BUS HwResetBus;
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PHW_DMA_STARTED HwDmaStarted;
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PHW_TIMER HwScsiTimer;
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PSCSI_REQUEST_BLOCK OriginalSrb;
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SCSI_REQUEST_BLOCK InternalSrb;
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SENSE_DATA InternalSenseData;
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/* DMA related stuff */
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PADAPTER_OBJECT AdapterObject;
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ULONG MapRegisterCount;
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BOOLEAN MapBuffers;
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BOOLEAN MapRegisters;
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PVOID MapRegisterBase;
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/* Features */
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BOOLEAN CachesData;
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BOOLEAN SupportsTaggedQueuing;
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BOOLEAN SupportsAutoSense;
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BOOLEAN MultipleReqsPerLun;
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BOOLEAN ReceiveEvent;
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PHYSICAL_ADDRESS PhysicalAddress;
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ULONG CommonBufferLength;
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ULONG InterruptLevel[2];
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ULONG IoAddress;
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BOOLEAN NeedSrbExtensionAlloc;
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BOOLEAN NeedSrbDataAlloc;
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ULONG RequestsNumber;
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ULONG InterruptCount;
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UNICODE_STRING DeviceName;
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UNICODE_STRING InterfaceName;
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BOOLEAN DeviceStarted;
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UINT8 TotalLUCount;
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// use the pointer alignment here, some miniport drivers rely on this
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// moreover, it has to be the last member
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ALIGNAS_PTR UCHAR MiniPortDeviceExtension[];
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} SCSI_PORT_DEVICE_EXTENSION, *PSCSI_PORT_DEVICE_EXTENSION;
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typedef struct _RESETBUS_PARAMS
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{
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ULONG PathId;
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PSCSI_PORT_DEVICE_EXTENSION DeviceExtension;
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} RESETBUS_PARAMS, *PRESETBUS_PARAMS;
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typedef struct _SCSIPORT_DRIVER_EXTENSION
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{
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PDRIVER_OBJECT DriverObject;
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UNICODE_STRING RegistryPath;
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BOOLEAN IsLegacyDriver;
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} SCSI_PORT_DRIVER_EXTENSION, *PSCSI_PORT_DRIVER_EXTENSION;
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FORCEINLINE
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BOOLEAN
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VerifyIrpOutBufferSize(
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_In_ PIRP Irp,
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_In_ SIZE_T Size)
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{
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PIO_STACK_LOCATION ioStack = IoGetCurrentIrpStackLocation(Irp);
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if (ioStack->Parameters.DeviceIoControl.OutputBufferLength < Size)
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{
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Irp->IoStatus.Information = Size;
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return FALSE;
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}
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return TRUE;
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}
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FORCEINLINE
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BOOLEAN
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VerifyIrpInBufferSize(
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_In_ PIRP Irp,
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_In_ SIZE_T Size)
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{
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PIO_STACK_LOCATION ioStack = IoGetCurrentIrpStackLocation(Irp);
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if (ioStack->Parameters.DeviceIoControl.InputBufferLength < Size)
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{
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Irp->IoStatus.Information = Size;
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return FALSE;
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}
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return TRUE;
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}
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// ioctl.c
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NTSTATUS
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NTAPI
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ScsiPortDeviceControl(
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_In_ PDEVICE_OBJECT DeviceObject,
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_In_ PIRP Irp);
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// fdo.c
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VOID
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FdoScanAdapter(
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_In_ PSCSI_PORT_DEVICE_EXTENSION DeviceExtension);
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NTSTATUS
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FdoCallHWInitialize(
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_In_ PSCSI_PORT_DEVICE_EXTENSION DeviceExtension);
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NTSTATUS
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FdoRemoveAdapter(
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_In_ PSCSI_PORT_DEVICE_EXTENSION DeviceExtension);
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NTSTATUS
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FdoStartAdapter(
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_In_ PSCSI_PORT_DEVICE_EXTENSION DeviceExtension);
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NTSTATUS
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FdoDispatchPnp(
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_In_ PDEVICE_OBJECT DeviceObject,
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_Inout_ PIRP Irp);
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// pdo.c
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PDEVICE_OBJECT
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PdoCreateLunDevice(
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_In_ PSCSI_PORT_DEVICE_EXTENSION DeviceExtension);
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PSCSI_PORT_LUN_EXTENSION
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GetLunByPath(
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_In_ PSCSI_PORT_DEVICE_EXTENSION DeviceExtension,
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_In_ UCHAR PathId,
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_In_ UCHAR TargetId,
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_In_ UCHAR Lun);
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PSCSI_REQUEST_BLOCK_INFO
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SpiGetSrbData(
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_In_ PSCSI_PORT_DEVICE_EXTENSION DeviceExtension,
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_In_ PSCSI_PORT_LUN_EXTENSION LunExtension,
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_In_ UCHAR QueueTag);
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NTSTATUS
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PdoDispatchPnp(
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_In_ PDEVICE_OBJECT DeviceObject,
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_Inout_ PIRP Irp);
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// power.c
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DRIVER_DISPATCH ScsiPortDispatchPower;
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// registry.c
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VOID
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SpiInitOpenKeys(
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_Inout_ PCONFIGURATION_INFO ConfigInfo,
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_In_ PSCSI_PORT_DRIVER_EXTENSION DriverExtension);
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NTSTATUS
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RegistryInitAdapterKey(
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_Inout_ PSCSI_PORT_DEVICE_EXTENSION DeviceExtension);
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NTSTATUS
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RegistryInitLunKey(
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_Inout_ PSCSI_PORT_LUN_EXTENSION LunExtension);
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// scsi.c
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VOID
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SpiGetNextRequestFromLun(
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_In_ PSCSI_PORT_DEVICE_EXTENSION DeviceExtension,
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_Inout_ PSCSI_PORT_LUN_EXTENSION LunExtension,
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_Inout_opt_ PKIRQL OldIrql);
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IO_DPC_ROUTINE ScsiPortDpcForIsr;
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DRIVER_DISPATCH ScsiPortDispatchScsi;
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KSYNCHRONIZE_ROUTINE ScsiPortStartPacket;
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DRIVER_STARTIO ScsiPortStartIo;
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// scsiport.c
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KSERVICE_ROUTINE ScsiPortIsr;
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IO_ALLOCATION_ACTION
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NTAPI
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SpiAdapterControl(
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_In_ PDEVICE_OBJECT DeviceObject,
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_In_ PIRP Irp,
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_In_ PVOID MapRegisterBase,
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_In_ PVOID Context);
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IO_ALLOCATION_ACTION
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NTAPI
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ScsiPortAllocateAdapterChannel(
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_In_ PDEVICE_OBJECT DeviceObject,
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_In_ PIRP Irp,
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_In_ PVOID MapRegisterBase,
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_In_ PVOID Context);
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