mirror of
https://github.com/reactos/reactos.git
synced 2024-12-28 18:15:11 +00:00
367f4b1581
Rework the hardware support code to avoid unneeded transitions between configuration states. - Only call WaitForKey when needed. - Each PnP state transition causes the bus to move to WaitForKey state. Besides, deactivate logical device during processing remove request.
1636 lines
49 KiB
C
1636 lines
49 KiB
C
/*
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* PROJECT: ReactOS ISA PnP Bus driver
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* LICENSE: GPL-2.0-or-later (https://spdx.org/licenses/GPL-2.0-or-later)
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* PURPOSE: Driver entry
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* COPYRIGHT: Copyright 2010 Cameron Gutman <cameron.gutman@reactos.org>
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* Copyright 2020 Hervé Poussineau <hpoussin@reactos.org>
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* Copyright 2021 Dmitry Borisov <di.sean@protonmail.com>
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*/
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/* INCLUDES *******************************************************************/
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#include "isapnp.h"
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#include <search.h>
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#define NDEBUG
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#include <debug.h>
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/* GLOBALS ********************************************************************/
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KEVENT BusSyncEvent;
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_Guarded_by_(BusSyncEvent)
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BOOLEAN ReadPortCreated = FALSE;
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_Guarded_by_(BusSyncEvent)
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LIST_ENTRY BusListHead;
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static PUCHAR Priority;
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/* FUNCTIONS ******************************************************************/
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static
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CODE_SEG("PAGE")
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int
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__cdecl
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IsaComparePriority(
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const void *A,
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const void *B)
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{
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PAGED_CODE();
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return Priority[*(PUCHAR)A] - Priority[*(PUCHAR)B];
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}
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static
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CODE_SEG("PAGE")
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VOID
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IsaDetermineBestConfig(
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_Out_writes_all_(ISAPNP_MAX_ALTERNATIVES) PUCHAR BestConfig,
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_In_ PISAPNP_ALTERNATIVES Alternatives)
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{
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UCHAR i;
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PAGED_CODE();
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for (i = 0; i < ISAPNP_MAX_ALTERNATIVES; i++)
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{
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BestConfig[i] = i;
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}
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Priority = Alternatives->Priority;
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qsort(BestConfig,
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Alternatives->Count,
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sizeof(*BestConfig),
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IsaComparePriority);
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}
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static
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CODE_SEG("PAGE")
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VOID
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IsaConvertIoRequirement(
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_Out_ PIO_RESOURCE_DESCRIPTOR Descriptor,
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_In_ PISAPNP_IO_DESCRIPTION Description)
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{
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PAGED_CODE();
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Descriptor->Type = CmResourceTypePort;
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Descriptor->ShareDisposition = CmResourceShareDeviceExclusive;
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Descriptor->Flags = CM_RESOURCE_PORT_IO;
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if (Description->Information & 0x1)
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Descriptor->Flags |= CM_RESOURCE_PORT_16_BIT_DECODE;
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else
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Descriptor->Flags |= CM_RESOURCE_PORT_10_BIT_DECODE;
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Descriptor->u.Port.Length = Description->Length;
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Descriptor->u.Port.Alignment = Description->Alignment;
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Descriptor->u.Port.MinimumAddress.LowPart = Description->Minimum;
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Descriptor->u.Port.MaximumAddress.LowPart = Description->Maximum +
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Description->Length - 1;
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}
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static
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CODE_SEG("PAGE")
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VOID
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IsaConvertIrqRequirement(
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_Out_ PIO_RESOURCE_DESCRIPTOR Descriptor,
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_In_ PISAPNP_IRQ_DESCRIPTION Description,
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_In_ ULONG Vector,
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_In_ BOOLEAN FirstDescriptor)
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{
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PAGED_CODE();
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if (!FirstDescriptor)
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Descriptor->Option = IO_RESOURCE_ALTERNATIVE;
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Descriptor->Type = CmResourceTypeInterrupt;
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if (Description->Information & 0xC)
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{
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Descriptor->Flags = CM_RESOURCE_INTERRUPT_LEVEL_SENSITIVE;
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Descriptor->ShareDisposition = CmResourceShareShared;
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}
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else
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{
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Descriptor->Flags = CM_RESOURCE_INTERRUPT_LATCHED;
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Descriptor->ShareDisposition = CmResourceShareDeviceExclusive;
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}
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Descriptor->u.Interrupt.MinimumVector =
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Descriptor->u.Interrupt.MaximumVector = Vector;
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}
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static
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CODE_SEG("PAGE")
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VOID
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IsaConvertDmaRequirement(
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_Out_ PIO_RESOURCE_DESCRIPTOR Descriptor,
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_In_ PISAPNP_DMA_DESCRIPTION Description,
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_In_ ULONG Channel,
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_In_ BOOLEAN FirstDescriptor)
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{
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UNREFERENCED_PARAMETER(Description);
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PAGED_CODE();
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if (!FirstDescriptor)
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Descriptor->Option = IO_RESOURCE_ALTERNATIVE;
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Descriptor->Type = CmResourceTypeDma;
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Descriptor->ShareDisposition = CmResourceShareUndetermined;
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Descriptor->Flags = CM_RESOURCE_DMA_8; /* Ignore information byte for compatibility */
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Descriptor->u.Dma.MinimumChannel =
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Descriptor->u.Dma.MaximumChannel = Channel;
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}
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static
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CODE_SEG("PAGE")
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VOID
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IsaConvertMemRangeRequirement(
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_Out_ PIO_RESOURCE_DESCRIPTOR Descriptor,
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_In_ PISAPNP_MEMRANGE_DESCRIPTION Description)
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{
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PAGED_CODE();
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Descriptor->Type = CmResourceTypeMemory;
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Descriptor->ShareDisposition = CmResourceShareDeviceExclusive;
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Descriptor->Flags = CM_RESOURCE_MEMORY_24;
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if ((Description->Information & 0x40) || !(Description->Information & 0x01))
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Descriptor->Flags |= CM_RESOURCE_MEMORY_READ_ONLY;
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else
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Descriptor->Flags |= CM_RESOURCE_MEMORY_READ_WRITE;
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Descriptor->u.Memory.Length = Description->Length << 8;
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if (Description->Alignment == 0)
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Descriptor->u.Memory.Alignment = 0x10000;
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else
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Descriptor->u.Memory.Alignment = Description->Alignment;
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Descriptor->u.Memory.MinimumAddress.LowPart = Description->Minimum << 8;
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Descriptor->u.Memory.MaximumAddress.LowPart = (Description->Maximum << 8) +
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(Description->Length << 8) - 1;
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}
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static
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CODE_SEG("PAGE")
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VOID
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IsaConvertMemRange32Requirement(
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_Out_ PIO_RESOURCE_DESCRIPTOR Descriptor,
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_In_ PISAPNP_MEMRANGE32_DESCRIPTION Description)
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{
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PAGED_CODE();
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Descriptor->Type = CmResourceTypeMemory;
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Descriptor->ShareDisposition = CmResourceShareDeviceExclusive;
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Descriptor->Flags = CM_RESOURCE_MEMORY_24;
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if ((Description->Information & 0x40) || !(Description->Information & 0x01))
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Descriptor->Flags |= CM_RESOURCE_MEMORY_READ_ONLY;
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else
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Descriptor->Flags |= CM_RESOURCE_MEMORY_READ_WRITE;
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Descriptor->u.Memory.Length = Description->Length;
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Descriptor->u.Memory.Alignment = Description->Alignment;
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Descriptor->u.Memory.MinimumAddress.LowPart = Description->Minimum;
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Descriptor->u.Memory.MaximumAddress.LowPart = Description->Maximum +
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Description->Length - 1;
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}
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static
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CODE_SEG("PAGE")
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NTSTATUS
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IsaPnpCreateLogicalDeviceRequirements(
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_In_ PISAPNP_PDO_EXTENSION PdoExt)
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{
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PISAPNP_LOGICAL_DEVICE LogDev = PdoExt->IsaPnpDevice;
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RTL_BITMAP TempBitmap;
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ULONG TempBuffer;
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ULONG ResourceCount = 0, AltCount = 0, AltOptionalCount = 0;
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ULONG ListSize, i, j;
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BOOLEAN FirstDescriptor;
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PIO_RESOURCE_REQUIREMENTS_LIST RequirementsList;
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PIO_RESOURCE_DESCRIPTOR Descriptor;
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PISAPNP_ALTERNATIVES Alternatives = LogDev->Alternatives;
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PAGED_CODE();
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/* Count number of requirements */
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for (i = 0; i < RTL_NUMBER_OF(LogDev->Io); i++)
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{
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/*
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* Use the continue statement to count the number of requirements.
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* We handle a possible gap because depedent function can appear at
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* any position in the logical device's requirements list.
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*/
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if (!LogDev->Io[i].Description.Length)
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continue;
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ResourceCount++;
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}
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for (i = 0; i < RTL_NUMBER_OF(LogDev->Irq); i++)
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{
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if (!LogDev->Irq[i].Description.Mask)
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continue;
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TempBuffer = LogDev->Irq[i].Description.Mask;
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RtlInitializeBitMap(&TempBitmap,
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&TempBuffer,
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RTL_BITS_OF(LogDev->Irq[i].Description.Mask));
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ResourceCount += RtlNumberOfSetBits(&TempBitmap);
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}
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for (i = 0; i < RTL_NUMBER_OF(LogDev->Dma); i++)
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{
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if (!LogDev->Dma[i].Description.Mask)
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continue;
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TempBuffer = LogDev->Dma[i].Description.Mask;
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RtlInitializeBitMap(&TempBitmap,
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&TempBuffer,
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RTL_BITS_OF(LogDev->Dma[i].Description.Mask));
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ResourceCount += RtlNumberOfSetBits(&TempBitmap);
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}
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for (i = 0; i < RTL_NUMBER_OF(LogDev->MemRange); i++)
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{
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if (!LogDev->MemRange[i].Description.Length)
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continue;
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ResourceCount++;
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}
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for (i = 0; i < RTL_NUMBER_OF(LogDev->MemRange32); i++)
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{
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if (!LogDev->MemRange32[i].Description.Length)
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continue;
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ResourceCount++;
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}
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if (Alternatives)
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{
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ULONG BitCount;
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if (HasIoAlternatives(Alternatives))
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AltCount++;
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if (HasIrqAlternatives(Alternatives))
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AltCount++;
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if (HasDmaAlternatives(Alternatives))
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AltCount++;
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if (HasMemoryAlternatives(Alternatives))
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AltCount++;
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if (HasMemory32Alternatives(Alternatives))
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AltCount++;
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ResourceCount += AltCount;
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if (HasIrqAlternatives(Alternatives))
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{
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for (i = 0; i < Alternatives->Count; i++)
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{
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TempBuffer = Alternatives->Irq[i].Mask;
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RtlInitializeBitMap(&TempBitmap,
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&TempBuffer,
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RTL_BITS_OF(Alternatives->Irq[i].Mask));
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BitCount = RtlNumberOfSetBits(&TempBitmap);
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if (BitCount > 1)
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AltOptionalCount += BitCount - 1;
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}
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}
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if (HasDmaAlternatives(Alternatives))
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{
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for (i = 0; i < Alternatives->Count; i++)
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{
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TempBuffer = Alternatives->Dma[i].Mask;
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RtlInitializeBitMap(&TempBitmap,
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&TempBuffer,
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RTL_BITS_OF(Alternatives->Dma[i].Mask));
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BitCount = RtlNumberOfSetBits(&TempBitmap);
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if (BitCount > 1)
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AltOptionalCount += BitCount - 1;
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}
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}
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}
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if (ResourceCount == 0)
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return STATUS_SUCCESS;
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/* Allocate memory to store requirements */
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ListSize = sizeof(IO_RESOURCE_REQUIREMENTS_LIST);
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if (Alternatives)
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{
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ListSize += sizeof(IO_RESOURCE_DESCRIPTOR) * (ResourceCount - 1) * Alternatives->Count
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+ sizeof(IO_RESOURCE_LIST) * (Alternatives->Count - 1)
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+ sizeof(IO_RESOURCE_DESCRIPTOR) * AltOptionalCount;
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}
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else
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{
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ListSize += sizeof(IO_RESOURCE_DESCRIPTOR) * (ResourceCount - 1);
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}
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RequirementsList = ExAllocatePoolZero(PagedPool, ListSize, TAG_ISAPNP);
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if (!RequirementsList)
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return STATUS_NO_MEMORY;
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RequirementsList->ListSize = ListSize;
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RequirementsList->InterfaceType = Isa;
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RequirementsList->AlternativeLists = Alternatives ? Alternatives->Count : 1;
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RequirementsList->List[0].Version = 1;
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RequirementsList->List[0].Revision = 1;
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RequirementsList->List[0].Count = ResourceCount;
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/* Store requirements */
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Descriptor = RequirementsList->List[0].Descriptors;
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for (i = 0; i < RTL_NUMBER_OF(LogDev->Io); i++)
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{
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if (!LogDev->Io[i].Description.Length)
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break;
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IsaConvertIoRequirement(Descriptor++, &LogDev->Io[i].Description);
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}
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for (i = 0; i < RTL_NUMBER_OF(LogDev->Irq); i++)
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{
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if (!LogDev->Irq[i].Description.Mask)
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continue;
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FirstDescriptor = TRUE;
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for (j = 0; j < RTL_BITS_OF(LogDev->Irq[i].Description.Mask); j++)
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{
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if (!(LogDev->Irq[i].Description.Mask & (1 << j)))
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continue;
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IsaConvertIrqRequirement(Descriptor++,
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&LogDev->Irq[i].Description,
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j,
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FirstDescriptor);
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if (FirstDescriptor)
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FirstDescriptor = FALSE;
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}
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}
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for (i = 0; i < RTL_NUMBER_OF(LogDev->Dma); i++)
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{
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if (!LogDev->Dma[i].Description.Mask)
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continue;
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FirstDescriptor = TRUE;
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for (j = 0; j < RTL_BITS_OF(LogDev->Dma[i].Description.Mask); j++)
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{
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if (!(LogDev->Dma[i].Description.Mask & (1 << j)))
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continue;
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IsaConvertDmaRequirement(Descriptor++,
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&LogDev->Dma[i].Description,
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j,
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FirstDescriptor);
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if (FirstDescriptor)
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FirstDescriptor = FALSE;
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}
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}
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for (i = 0; i < RTL_NUMBER_OF(LogDev->MemRange); i++)
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{
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if (!LogDev->MemRange[i].Description.Length)
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continue;
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IsaConvertMemRangeRequirement(Descriptor++,
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&LogDev->MemRange[i].Description);
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}
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for (i = 0; i < RTL_NUMBER_OF(LogDev->MemRange32); i++)
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{
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if (!LogDev->MemRange32[i].Description.Length)
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continue;
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IsaConvertMemRange32Requirement(Descriptor++,
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&LogDev->MemRange32[i].Description);
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}
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if (Alternatives)
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{
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UCHAR BestConfig[ISAPNP_MAX_ALTERNATIVES];
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PIO_RESOURCE_LIST AltList = &RequirementsList->List[0];
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PIO_RESOURCE_LIST NextList = AltList;
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IsaDetermineBestConfig(BestConfig, Alternatives);
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for (i = 0; i < RequirementsList->AlternativeLists; i++)
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{
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RtlMoveMemory(NextList, AltList, sizeof(IO_RESOURCE_LIST));
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/* Just because the 'NextList->Count++' correction */
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NextList->Count = ResourceCount;
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/*
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* For example, the ROM
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* 0x15, ... // Logical device ID
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* 0x30, // Start DF
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* 0x22, 0x04, 0x00 // IRQ
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* 0x30, // Start DF
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* 0x22, 0xC0, 0x00 // IRQ
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* 0x38, // End DF
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* 0x2A, 0x20, 0x3A // DMA
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* 0x22, 0x00, 0x08 // IRQ
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* 0x79, 0x00 // END
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*
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* will be represented as the following resource requirements list:
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* Interface 1 Bus 0 Slot 0 AlternativeLists 2
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* AltList 1, AltList->Count 3
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* [Option 0, ShareDisposition 1, Flags 1] INT: Min B Max B
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* [Option 0, ShareDisposition 0, Flags 0] DMA: Min 5 Max 5
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* [Option 0, ShareDisposition 1, Flags 1] INT: Min 2 Max 2
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* End Descriptors
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* AltList 2, AltList->Count 4
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* [Option 0, ShareDisposition 1, Flags 1] INT: Min B Max B
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* [Option 0, ShareDisposition 0, Flags 0] DMA: Min 5 Max 5
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* [Option 0, ShareDisposition 1, Flags 1] INT: Min 6 Max 6
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* [Option 8, ShareDisposition 1, Flags 1] INT: Min 7 Max 7
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* End Descriptors
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*/
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/* Propagate the fixed resources to our new list */
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for (j = 0; j < AltList->Count - AltCount; j++)
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{
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RtlMoveMemory(&NextList->Descriptors[j],
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&AltList->Descriptors[j],
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sizeof(IO_RESOURCE_DESCRIPTOR));
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}
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Descriptor = &NextList->Descriptors[NextList->Count - AltCount];
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/*
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* Append alternatives.
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* NOTE: To keep it simple, we append these to the end of the list.
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*/
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if (HasIoAlternatives(Alternatives))
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{
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IsaConvertIoRequirement(Descriptor++,
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&Alternatives->Io[BestConfig[i]]);
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}
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if (HasIrqAlternatives(Alternatives))
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{
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FirstDescriptor = TRUE;
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|
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for (j = 0; j < RTL_BITS_OF(Alternatives->Irq[BestConfig[i]].Mask); j++)
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{
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if (!(Alternatives->Irq[BestConfig[i]].Mask & (1 << j)))
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continue;
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IsaConvertIrqRequirement(Descriptor++,
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&Alternatives->Irq[BestConfig[i]],
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j,
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FirstDescriptor);
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if (FirstDescriptor)
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FirstDescriptor = FALSE;
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else
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NextList->Count++;
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}
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}
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if (HasDmaAlternatives(Alternatives))
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{
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FirstDescriptor = TRUE;
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|
|
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for (j = 0; j < RTL_BITS_OF(Alternatives->Dma[BestConfig[i]].Mask); j++)
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{
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if (!(Alternatives->Dma[BestConfig[i]].Mask & (1 << j)))
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continue;
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|
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IsaConvertDmaRequirement(Descriptor++,
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&Alternatives->Dma[BestConfig[i]],
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j,
|
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FirstDescriptor);
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|
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if (FirstDescriptor)
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FirstDescriptor = FALSE;
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else
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NextList->Count++;
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}
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}
|
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if (HasMemoryAlternatives(Alternatives))
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{
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IsaConvertMemRangeRequirement(Descriptor++,
|
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&Alternatives->MemRange[BestConfig[i]]);
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}
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if (HasMemory32Alternatives(Alternatives))
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{
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IsaConvertMemRange32Requirement(Descriptor++,
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&Alternatives->MemRange32[BestConfig[i]]);
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}
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NextList = (PIO_RESOURCE_LIST)(NextList->Descriptors + NextList->Count);
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}
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}
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PdoExt->RequirementsList = RequirementsList;
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return STATUS_SUCCESS;
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|
}
|
|
|
|
CODE_SEG("PAGE")
|
|
BOOLEAN
|
|
FindIoDescriptor(
|
|
_In_ PISAPNP_LOGICAL_DEVICE LogDevice,
|
|
_In_opt_ ULONG Base,
|
|
_In_ ULONG RangeStart,
|
|
_In_ ULONG RangeEnd,
|
|
_Out_opt_ PUCHAR Information,
|
|
_Out_opt_ PULONG Length,
|
|
_Out_opt_ PUCHAR WriteOrder)
|
|
{
|
|
ULONG i;
|
|
BOOLEAN Match;
|
|
PISAPNP_IO_DESCRIPTION Description;
|
|
|
|
PAGED_CODE();
|
|
|
|
for (i = 0; i < RTL_NUMBER_OF(LogDevice->Io); i++)
|
|
{
|
|
Description = &LogDevice->Io[i].Description;
|
|
|
|
Match = Base ? (Base >= Description->Minimum) && (Base <= Description->Maximum)
|
|
: (RangeStart >= Description->Minimum) &&
|
|
(RangeEnd <= (ULONG)(Description->Maximum + Description->Length - 1));
|
|
|
|
if (Match)
|
|
{
|
|
if (Information)
|
|
*Information = Description->Information;
|
|
if (Length)
|
|
*Length = Description->Length;
|
|
if (WriteOrder)
|
|
*WriteOrder = LogDevice->Io[i].Index;
|
|
|
|
return TRUE;
|
|
}
|
|
}
|
|
|
|
if (!LogDevice->Alternatives)
|
|
return FALSE;
|
|
|
|
for (i = 0; i < LogDevice->Alternatives->Count; i++)
|
|
{
|
|
Description = &LogDevice->Alternatives->Io[i];
|
|
|
|
Match = Base ? (Base >= Description->Minimum) && (Base <= Description->Maximum)
|
|
: (RangeStart >= Description->Minimum) &&
|
|
(RangeEnd <= (ULONG)(Description->Maximum + Description->Length - 1));
|
|
|
|
if (Match)
|
|
{
|
|
if (Information)
|
|
*Information = Description->Information;
|
|
if (Length)
|
|
*Length = Description->Length;
|
|
if (WriteOrder)
|
|
*WriteOrder = LogDevice->Alternatives->IoIndex;
|
|
|
|
return TRUE;
|
|
}
|
|
}
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
CODE_SEG("PAGE")
|
|
BOOLEAN
|
|
FindIrqDescriptor(
|
|
_In_ PISAPNP_LOGICAL_DEVICE LogDevice,
|
|
_In_ ULONG Vector,
|
|
_Out_opt_ PUCHAR WriteOrder)
|
|
{
|
|
ULONG i, j;
|
|
PISAPNP_IRQ_DESCRIPTION Description;
|
|
|
|
PAGED_CODE();
|
|
|
|
for (i = 0; i < RTL_NUMBER_OF(LogDevice->Irq); i++)
|
|
{
|
|
Description = &LogDevice->Irq[i].Description;
|
|
|
|
for (j = 0; j < RTL_BITS_OF(Description->Mask); j++)
|
|
{
|
|
if (Description->Mask & (1 << j))
|
|
{
|
|
if (j == Vector)
|
|
{
|
|
if (WriteOrder)
|
|
*WriteOrder = LogDevice->Irq[i].Index;
|
|
|
|
return TRUE;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (!LogDevice->Alternatives)
|
|
return FALSE;
|
|
|
|
for (i = 0; i < LogDevice->Alternatives->Count; i++)
|
|
{
|
|
Description = &LogDevice->Alternatives->Irq[i];
|
|
|
|
for (j = 0; j < RTL_BITS_OF(Description->Mask); j++)
|
|
{
|
|
if (Description->Mask & (1 << j))
|
|
{
|
|
if (j == Vector)
|
|
{
|
|
if (WriteOrder)
|
|
*WriteOrder = LogDevice->Alternatives->IrqIndex;
|
|
|
|
return TRUE;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
CODE_SEG("PAGE")
|
|
BOOLEAN
|
|
FindDmaDescriptor(
|
|
_In_ PISAPNP_LOGICAL_DEVICE LogDevice,
|
|
_In_ ULONG Channel,
|
|
_Out_opt_ PUCHAR WriteOrder)
|
|
{
|
|
ULONG i, j;
|
|
PISAPNP_DMA_DESCRIPTION Description;
|
|
|
|
PAGED_CODE();
|
|
|
|
for (i = 0; i < RTL_NUMBER_OF(LogDevice->Dma); i++)
|
|
{
|
|
Description = &LogDevice->Dma[i].Description;
|
|
|
|
for (j = 0; j < RTL_BITS_OF(Description->Mask); j++)
|
|
{
|
|
if (Description->Mask & (1 << j))
|
|
{
|
|
if (j == Channel)
|
|
{
|
|
if (WriteOrder)
|
|
*WriteOrder = LogDevice->Dma[i].Index;
|
|
|
|
return TRUE;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (!LogDevice->Alternatives)
|
|
return FALSE;
|
|
|
|
for (i = 0; i < LogDevice->Alternatives->Count; i++)
|
|
{
|
|
Description = &LogDevice->Alternatives->Dma[i];
|
|
|
|
for (j = 0; j < RTL_BITS_OF(Description->Mask); j++)
|
|
{
|
|
if (Description->Mask & (1 << j))
|
|
{
|
|
if (j == Channel)
|
|
{
|
|
if (WriteOrder)
|
|
*WriteOrder = LogDevice->Alternatives->DmaIndex;
|
|
|
|
return TRUE;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
CODE_SEG("PAGE")
|
|
BOOLEAN
|
|
FindMemoryDescriptor(
|
|
_In_ PISAPNP_LOGICAL_DEVICE LogDevice,
|
|
_In_ ULONG RangeStart,
|
|
_In_ ULONG RangeEnd,
|
|
_Out_opt_ PBOOLEAN Memory32,
|
|
_Out_opt_ PUCHAR Information,
|
|
_Out_opt_ PUCHAR WriteOrder)
|
|
{
|
|
ULONG i;
|
|
PISAPNP_MEMRANGE_DESCRIPTION Description;
|
|
PISAPNP_MEMRANGE32_DESCRIPTION Description32;
|
|
|
|
PAGED_CODE();
|
|
|
|
for (i = 0; i < RTL_NUMBER_OF(LogDevice->MemRange); i++)
|
|
{
|
|
Description = &LogDevice->MemRange[i].Description;
|
|
|
|
if ((RangeStart >= (ULONG)(Description->Minimum << 8)) &&
|
|
(RangeEnd <= (ULONG)((Description->Maximum << 8) + (Description->Length << 8) - 1)))
|
|
{
|
|
if (Memory32)
|
|
*Memory32 = FALSE;
|
|
if (Information)
|
|
*Information = Description->Information;
|
|
if (WriteOrder)
|
|
*WriteOrder = LogDevice->MemRange[i].Index;
|
|
|
|
return TRUE;
|
|
}
|
|
}
|
|
for (i = 0; i < RTL_NUMBER_OF(LogDevice->MemRange32); i++)
|
|
{
|
|
Description32 = &LogDevice->MemRange32[i].Description;
|
|
|
|
if ((RangeStart >= Description32->Minimum) &&
|
|
(RangeEnd <= (Description32->Maximum + Description32->Length - 1)))
|
|
{
|
|
if (Memory32)
|
|
*Memory32 = TRUE;
|
|
if (Information)
|
|
*Information = Description32->Information;
|
|
if (WriteOrder)
|
|
*WriteOrder = LogDevice->MemRange32[i].Index;
|
|
|
|
return TRUE;
|
|
}
|
|
}
|
|
|
|
if (!LogDevice->Alternatives)
|
|
return FALSE;
|
|
|
|
for (i = 0; i < LogDevice->Alternatives->Count; i++)
|
|
{
|
|
Description = &LogDevice->Alternatives->MemRange[i];
|
|
|
|
if ((RangeStart >= (ULONG)(Description->Minimum << 8)) &&
|
|
(RangeEnd <= (ULONG)((Description->Maximum << 8) + (Description->Length << 8) - 1)))
|
|
{
|
|
if (Memory32)
|
|
*Memory32 = FALSE;
|
|
if (Information)
|
|
*Information = Description->Information;
|
|
if (WriteOrder)
|
|
*WriteOrder = LogDevice->Alternatives->MemRangeIndex;
|
|
|
|
return TRUE;
|
|
}
|
|
}
|
|
for (i = 0; i < LogDevice->Alternatives->Count; i++)
|
|
{
|
|
Description32 = &LogDevice->Alternatives->MemRange32[i];
|
|
|
|
if ((RangeStart >= Description32->Minimum) &&
|
|
(RangeEnd <= (Description32->Maximum + Description32->Length - 1)))
|
|
{
|
|
if (Memory32)
|
|
*Memory32 = TRUE;
|
|
if (Information)
|
|
*Information = Description32->Information;
|
|
if (WriteOrder)
|
|
*WriteOrder = LogDevice->Alternatives->MemRange32Index;
|
|
|
|
return TRUE;
|
|
}
|
|
}
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
static
|
|
CODE_SEG("PAGE")
|
|
NTSTATUS
|
|
IsaPnpCreateLogicalDeviceResources(
|
|
_In_ PISAPNP_PDO_EXTENSION PdoExt)
|
|
{
|
|
PISAPNP_LOGICAL_DEVICE LogDev = PdoExt->IsaPnpDevice;
|
|
ULONG ResourceCount = 0;
|
|
UCHAR Information;
|
|
ULONG ListSize, i;
|
|
PCM_RESOURCE_LIST ResourceList;
|
|
PCM_PARTIAL_RESOURCE_DESCRIPTOR Descriptor;
|
|
|
|
PAGED_CODE();
|
|
|
|
if (!(LogDev->Flags & ISAPNP_HAS_RESOURCES))
|
|
return STATUS_SUCCESS;
|
|
|
|
/* Count number of required resources */
|
|
for (i = 0; i < RTL_NUMBER_OF(LogDev->Io); i++)
|
|
{
|
|
if (LogDev->Io[i].CurrentBase)
|
|
ResourceCount++;
|
|
else
|
|
break;
|
|
}
|
|
for (i = 0; i < RTL_NUMBER_OF(LogDev->Irq); i++)
|
|
{
|
|
if (LogDev->Irq[i].CurrentNo)
|
|
ResourceCount++;
|
|
else
|
|
break;
|
|
}
|
|
for (i = 0; i < RTL_NUMBER_OF(LogDev->Dma); i++)
|
|
{
|
|
if (LogDev->Dma[i].CurrentChannel != 4)
|
|
ResourceCount++;
|
|
else
|
|
break;
|
|
}
|
|
for (i = 0; i < RTL_NUMBER_OF(LogDev->MemRange); i++)
|
|
{
|
|
if (LogDev->MemRange[i].CurrentBase)
|
|
ResourceCount++;
|
|
else
|
|
break;
|
|
}
|
|
for (i = 0; i < RTL_NUMBER_OF(LogDev->MemRange32); i++)
|
|
{
|
|
if (LogDev->MemRange32[i].CurrentBase)
|
|
ResourceCount++;
|
|
else
|
|
break;
|
|
}
|
|
if (ResourceCount == 0)
|
|
return STATUS_SUCCESS;
|
|
|
|
/* Allocate memory to store resources */
|
|
ListSize = sizeof(CM_RESOURCE_LIST)
|
|
+ (ResourceCount - 1) * sizeof(CM_PARTIAL_RESOURCE_DESCRIPTOR);
|
|
ResourceList = ExAllocatePoolZero(PagedPool, ListSize, TAG_ISAPNP);
|
|
if (!ResourceList)
|
|
return STATUS_NO_MEMORY;
|
|
|
|
ResourceList->Count = 1;
|
|
ResourceList->List[0].InterfaceType = Isa;
|
|
ResourceList->List[0].PartialResourceList.Version = 1;
|
|
ResourceList->List[0].PartialResourceList.Revision = 1;
|
|
ResourceList->List[0].PartialResourceList.Count = ResourceCount;
|
|
|
|
/* Store resources */
|
|
ResourceCount = 0;
|
|
for (i = 0; i < RTL_NUMBER_OF(LogDev->Io); i++)
|
|
{
|
|
ULONG CurrentLength;
|
|
|
|
if (!LogDev->Io[i].CurrentBase)
|
|
break;
|
|
|
|
if (!FindIoDescriptor(LogDev,
|
|
LogDev->Io[i].CurrentBase,
|
|
0,
|
|
0,
|
|
&Information,
|
|
&CurrentLength,
|
|
NULL))
|
|
{
|
|
goto InvalidBiosResources;
|
|
}
|
|
|
|
Descriptor = &ResourceList->List[0].PartialResourceList.PartialDescriptors[ResourceCount++];
|
|
Descriptor->Type = CmResourceTypePort;
|
|
Descriptor->ShareDisposition = CmResourceShareDeviceExclusive;
|
|
Descriptor->Flags = CM_RESOURCE_PORT_IO;
|
|
if (Information & 0x1)
|
|
Descriptor->Flags |= CM_RESOURCE_PORT_16_BIT_DECODE;
|
|
else
|
|
Descriptor->Flags |= CM_RESOURCE_PORT_10_BIT_DECODE;
|
|
Descriptor->u.Port.Length = CurrentLength;
|
|
Descriptor->u.Port.Start.LowPart = LogDev->Io[i].CurrentBase;
|
|
}
|
|
for (i = 0; i < RTL_NUMBER_OF(LogDev->Irq); i++)
|
|
{
|
|
if (!LogDev->Irq[i].CurrentNo)
|
|
break;
|
|
|
|
if (!FindIrqDescriptor(LogDev, LogDev->Irq[i].CurrentNo, NULL))
|
|
goto InvalidBiosResources;
|
|
|
|
Descriptor = &ResourceList->List[0].PartialResourceList.PartialDescriptors[ResourceCount++];
|
|
Descriptor->Type = CmResourceTypeInterrupt;
|
|
Descriptor->ShareDisposition = CmResourceShareDeviceExclusive;
|
|
if (LogDev->Irq[i].CurrentType & 0x01)
|
|
Descriptor->Flags = CM_RESOURCE_INTERRUPT_LEVEL_SENSITIVE;
|
|
else
|
|
Descriptor->Flags = CM_RESOURCE_INTERRUPT_LATCHED;
|
|
Descriptor->u.Interrupt.Level = LogDev->Irq[i].CurrentNo;
|
|
Descriptor->u.Interrupt.Vector = LogDev->Irq[i].CurrentNo;
|
|
Descriptor->u.Interrupt.Affinity = 0xFFFFFFFF;
|
|
}
|
|
for (i = 0; i < RTL_NUMBER_OF(LogDev->Dma); i++)
|
|
{
|
|
if (LogDev->Dma[i].CurrentChannel == 4)
|
|
break;
|
|
|
|
if (!FindDmaDescriptor(LogDev, LogDev->Dma[i].CurrentChannel, NULL))
|
|
goto InvalidBiosResources;
|
|
|
|
Descriptor = &ResourceList->List[0].PartialResourceList.PartialDescriptors[ResourceCount++];
|
|
Descriptor->Type = CmResourceTypeDma;
|
|
Descriptor->ShareDisposition = CmResourceShareDeviceExclusive;
|
|
Descriptor->Flags = CM_RESOURCE_DMA_8; /* Ignore information byte for compatibility */
|
|
Descriptor->u.Dma.Channel = LogDev->Dma[i].CurrentChannel;
|
|
}
|
|
for (i = 0; i < RTL_NUMBER_OF(LogDev->MemRange); i++)
|
|
{
|
|
if (!LogDev->MemRange[i].CurrentBase)
|
|
break;
|
|
|
|
if (!FindMemoryDescriptor(LogDev,
|
|
LogDev->MemRange[i].CurrentBase,
|
|
LogDev->MemRange[i].CurrentLength,
|
|
NULL,
|
|
&Information,
|
|
NULL))
|
|
{
|
|
goto InvalidBiosResources;
|
|
}
|
|
|
|
Descriptor = &ResourceList->List[0].PartialResourceList.PartialDescriptors[ResourceCount++];
|
|
Descriptor->Type = CmResourceTypeMemory;
|
|
Descriptor->ShareDisposition = CmResourceShareDeviceExclusive;
|
|
Descriptor->Flags = CM_RESOURCE_MEMORY_24;
|
|
if ((Information & 0x40) || !(Information & 0x01))
|
|
Descriptor->Flags |= CM_RESOURCE_MEMORY_READ_ONLY;
|
|
else
|
|
Descriptor->Flags |= CM_RESOURCE_MEMORY_READ_WRITE;
|
|
Descriptor->u.Memory.Length = LogDev->MemRange[i].Description.Length;
|
|
Descriptor->u.Memory.Start.QuadPart = LogDev->MemRange[i].CurrentBase;
|
|
}
|
|
for (i = 0; i < RTL_NUMBER_OF(LogDev->MemRange32); i++)
|
|
{
|
|
if (!LogDev->MemRange32[i].CurrentBase)
|
|
break;
|
|
|
|
if (!FindMemoryDescriptor(LogDev,
|
|
LogDev->MemRange32[i].CurrentBase,
|
|
LogDev->MemRange32[i].CurrentLength,
|
|
NULL,
|
|
&Information,
|
|
NULL))
|
|
{
|
|
goto InvalidBiosResources;
|
|
}
|
|
|
|
Descriptor = &ResourceList->List[0].PartialResourceList.PartialDescriptors[ResourceCount++];
|
|
Descriptor->Type = CmResourceTypeMemory;
|
|
Descriptor->ShareDisposition = CmResourceShareDeviceExclusive;
|
|
Descriptor->Flags = CM_RESOURCE_MEMORY_24;
|
|
if ((Information & 0x40) || !(Information & 0x01))
|
|
Descriptor->Flags |= CM_RESOURCE_MEMORY_READ_ONLY;
|
|
else
|
|
Descriptor->Flags |= CM_RESOURCE_MEMORY_READ_WRITE;
|
|
Descriptor->u.Memory.Length = LogDev->MemRange32[i].Description.Length;
|
|
Descriptor->u.Memory.Start.QuadPart = LogDev->MemRange32[i].CurrentBase;
|
|
}
|
|
|
|
PdoExt->ResourceList = ResourceList;
|
|
PdoExt->ResourceListSize = ListSize;
|
|
return STATUS_SUCCESS;
|
|
|
|
InvalidBiosResources:
|
|
DPRINT("Invalid boot resources! (CSN %u, LDN %u)\n", LogDev->CSN, LogDev->LDN);
|
|
|
|
LogDev->Flags &= ~ISAPNP_HAS_RESOURCES;
|
|
ExFreePoolWithTag(ResourceList, TAG_ISAPNP);
|
|
return STATUS_SUCCESS;
|
|
}
|
|
|
|
_Dispatch_type_(IRP_MJ_CREATE)
|
|
_Dispatch_type_(IRP_MJ_CLOSE)
|
|
static CODE_SEG("PAGE") DRIVER_DISPATCH_PAGED IsaCreateClose;
|
|
|
|
static
|
|
CODE_SEG("PAGE")
|
|
NTSTATUS
|
|
NTAPI
|
|
IsaCreateClose(
|
|
_In_ PDEVICE_OBJECT DeviceObject,
|
|
_Inout_ PIRP Irp)
|
|
{
|
|
PAGED_CODE();
|
|
|
|
Irp->IoStatus.Status = STATUS_SUCCESS;
|
|
|
|
DPRINT("%s(%p, %p)\n", __FUNCTION__, DeviceObject, Irp);
|
|
|
|
IoCompleteRequest(Irp, IO_NO_INCREMENT);
|
|
|
|
return STATUS_SUCCESS;
|
|
}
|
|
|
|
_Dispatch_type_(IRP_MJ_DEVICE_CONTROL)
|
|
_Dispatch_type_(IRP_MJ_SYSTEM_CONTROL)
|
|
static CODE_SEG("PAGE") DRIVER_DISPATCH_PAGED IsaForwardOrIgnore;
|
|
|
|
static
|
|
CODE_SEG("PAGE")
|
|
NTSTATUS
|
|
NTAPI
|
|
IsaForwardOrIgnore(
|
|
_In_ PDEVICE_OBJECT DeviceObject,
|
|
_Inout_ PIRP Irp)
|
|
{
|
|
PISAPNP_COMMON_EXTENSION CommonExt = DeviceObject->DeviceExtension;
|
|
|
|
PAGED_CODE();
|
|
|
|
DPRINT("%s(%p, %p) Minor - %X\n", __FUNCTION__, DeviceObject, Irp,
|
|
IoGetCurrentIrpStackLocation(Irp)->MinorFunction);
|
|
|
|
if (CommonExt->Signature == IsaPnpBus)
|
|
{
|
|
IoSkipCurrentIrpStackLocation(Irp);
|
|
return IoCallDriver(((PISAPNP_FDO_EXTENSION)CommonExt)->Ldo, Irp);
|
|
}
|
|
else
|
|
{
|
|
NTSTATUS Status = Irp->IoStatus.Status;
|
|
|
|
IoCompleteRequest(Irp, IO_NO_INCREMENT);
|
|
return Status;
|
|
}
|
|
}
|
|
|
|
CODE_SEG("PAGE")
|
|
NTSTATUS
|
|
IsaPnpCreateReadPortDORequirements(
|
|
_In_ PISAPNP_PDO_EXTENSION PdoExt,
|
|
_In_opt_ ULONG SelectedReadPort)
|
|
{
|
|
ULONG ResourceCount, ListSize, i;
|
|
PIO_RESOURCE_REQUIREMENTS_LIST RequirementsList;
|
|
PIO_RESOURCE_DESCRIPTOR Descriptor;
|
|
const ULONG Ports[] = { ISAPNP_WRITE_DATA, ISAPNP_ADDRESS };
|
|
const ULONG ReadPorts[] = { 0x274, 0x3E4, 0x204, 0x2E4, 0x354, 0x2F4 };
|
|
|
|
PAGED_CODE();
|
|
|
|
if (SelectedReadPort)
|
|
{
|
|
/*
|
|
* [IO descriptor: ISAPNP_WRITE_DATA, required]
|
|
* [IO descriptor: ISAPNP_WRITE_DATA, optional]
|
|
* [IO descriptor: ISAPNP_ADDRESS, required]
|
|
* [IO descriptor: ISAPNP_ADDRESS, optional]
|
|
* [IO descriptor: Selected Read Port, required]
|
|
* [IO descriptor: Read Port 1, optional]
|
|
* [IO descriptor: Read Port 2, optional]
|
|
* [...]
|
|
* [IO descriptor: Read Port X - 1, optional]
|
|
*/
|
|
ResourceCount = RTL_NUMBER_OF(Ports) * 2 + RTL_NUMBER_OF(ReadPorts);
|
|
}
|
|
else
|
|
{
|
|
/*
|
|
* [IO descriptor: ISAPNP_WRITE_DATA, required]
|
|
* [IO descriptor: ISAPNP_WRITE_DATA, optional]
|
|
* [IO descriptor: ISAPNP_ADDRESS, required]
|
|
* [IO descriptor: ISAPNP_ADDRESS, optional]
|
|
* [IO descriptor: Read Port 1, required]
|
|
* [IO descriptor: Read Port 1, optional]
|
|
* [IO descriptor: Read Port 2, required]
|
|
* [IO descriptor: Read Port 2, optional]
|
|
* [...]
|
|
* [IO descriptor: Read Port X, required]
|
|
* [IO descriptor: Read Port X, optional]
|
|
*/
|
|
ResourceCount = (RTL_NUMBER_OF(Ports) + RTL_NUMBER_OF(ReadPorts)) * 2;
|
|
}
|
|
ListSize = sizeof(IO_RESOURCE_REQUIREMENTS_LIST) +
|
|
sizeof(IO_RESOURCE_DESCRIPTOR) * (ResourceCount - 1);
|
|
RequirementsList = ExAllocatePoolZero(PagedPool, ListSize, TAG_ISAPNP);
|
|
if (!RequirementsList)
|
|
return STATUS_NO_MEMORY;
|
|
|
|
RequirementsList->ListSize = ListSize;
|
|
RequirementsList->AlternativeLists = 1;
|
|
|
|
RequirementsList->List[0].Version = 1;
|
|
RequirementsList->List[0].Revision = 1;
|
|
RequirementsList->List[0].Count = ResourceCount;
|
|
|
|
Descriptor = &RequirementsList->List[0].Descriptors[0];
|
|
|
|
/* Store the Data port and the Address port */
|
|
for (i = 0; i < RTL_NUMBER_OF(Ports) * 2; i++)
|
|
{
|
|
if ((i % 2) == 0)
|
|
{
|
|
/* Expected port */
|
|
Descriptor->Type = CmResourceTypePort;
|
|
Descriptor->ShareDisposition = CmResourceShareDeviceExclusive;
|
|
Descriptor->Flags = CM_RESOURCE_PORT_16_BIT_DECODE;
|
|
Descriptor->u.Port.Length = 0x01;
|
|
Descriptor->u.Port.Alignment = 0x01;
|
|
Descriptor->u.Port.MinimumAddress.LowPart =
|
|
Descriptor->u.Port.MaximumAddress.LowPart = Ports[i / 2];
|
|
}
|
|
else
|
|
{
|
|
/* ... but mark it as optional */
|
|
Descriptor->Option = IO_RESOURCE_ALTERNATIVE;
|
|
Descriptor->Type = CmResourceTypePort;
|
|
Descriptor->ShareDisposition = CmResourceShareDeviceExclusive;
|
|
Descriptor->Flags = CM_RESOURCE_PORT_16_BIT_DECODE;
|
|
Descriptor->u.Port.Alignment = 0x01;
|
|
}
|
|
|
|
Descriptor++;
|
|
}
|
|
|
|
/* Store the Read Ports */
|
|
if (SelectedReadPort)
|
|
{
|
|
BOOLEAN Selected = FALSE;
|
|
|
|
DBG_UNREFERENCED_LOCAL_VARIABLE(Selected);
|
|
|
|
for (i = 0; i < RTL_NUMBER_OF(ReadPorts); i++)
|
|
{
|
|
if (ReadPorts[i] != SelectedReadPort)
|
|
Descriptor->Option = IO_RESOURCE_ALTERNATIVE;
|
|
else
|
|
Selected = TRUE;
|
|
Descriptor->Type = CmResourceTypePort;
|
|
Descriptor->ShareDisposition = CmResourceShareDeviceExclusive;
|
|
Descriptor->Flags = CM_RESOURCE_PORT_16_BIT_DECODE;
|
|
Descriptor->u.Port.Length = 0x04;
|
|
Descriptor->u.Port.Alignment = 0x01;
|
|
Descriptor->u.Port.MinimumAddress.LowPart = ReadPorts[i];
|
|
Descriptor->u.Port.MaximumAddress.LowPart = ReadPorts[i] +
|
|
Descriptor->u.Port.Length - 1;
|
|
|
|
Descriptor++;
|
|
}
|
|
|
|
ASSERT(Selected == TRUE);
|
|
}
|
|
else
|
|
{
|
|
for (i = 0; i < RTL_NUMBER_OF(ReadPorts) * 2; i++)
|
|
{
|
|
if ((i % 2) == 0)
|
|
{
|
|
/* Expected port */
|
|
Descriptor->Type = CmResourceTypePort;
|
|
Descriptor->ShareDisposition = CmResourceShareDeviceExclusive;
|
|
Descriptor->Flags = CM_RESOURCE_PORT_16_BIT_DECODE;
|
|
Descriptor->u.Port.Length = 0x04;
|
|
Descriptor->u.Port.Alignment = 0x01;
|
|
Descriptor->u.Port.MinimumAddress.LowPart = ReadPorts[i / 2];
|
|
Descriptor->u.Port.MaximumAddress.LowPart = ReadPorts[i / 2] +
|
|
Descriptor->u.Port.Length - 1;
|
|
}
|
|
else
|
|
{
|
|
/* ... but mark it as optional */
|
|
Descriptor->Option = IO_RESOURCE_ALTERNATIVE;
|
|
Descriptor->Type = CmResourceTypePort;
|
|
Descriptor->ShareDisposition = CmResourceShareDeviceExclusive;
|
|
Descriptor->Flags = CM_RESOURCE_PORT_16_BIT_DECODE;
|
|
Descriptor->u.Port.Alignment = 0x01;
|
|
}
|
|
|
|
Descriptor++;
|
|
}
|
|
}
|
|
|
|
PdoExt->RequirementsList = RequirementsList;
|
|
return STATUS_SUCCESS;
|
|
}
|
|
|
|
static
|
|
CODE_SEG("PAGE")
|
|
NTSTATUS
|
|
IsaPnpCreateReadPortDOResources(
|
|
_In_ PISAPNP_PDO_EXTENSION PdoExt)
|
|
{
|
|
const USHORT Ports[] = { ISAPNP_WRITE_DATA, ISAPNP_ADDRESS };
|
|
ULONG ListSize, i;
|
|
PCM_RESOURCE_LIST ResourceList;
|
|
PCM_PARTIAL_RESOURCE_DESCRIPTOR Descriptor;
|
|
|
|
PAGED_CODE();
|
|
|
|
ListSize = sizeof(CM_RESOURCE_LIST) +
|
|
sizeof(CM_PARTIAL_RESOURCE_DESCRIPTOR) * (RTL_NUMBER_OF(Ports) - 1);
|
|
ResourceList = ExAllocatePoolZero(PagedPool, ListSize, TAG_ISAPNP);
|
|
if (!ResourceList)
|
|
return STATUS_NO_MEMORY;
|
|
|
|
ResourceList->Count = 1;
|
|
ResourceList->List[0].InterfaceType = Internal;
|
|
ResourceList->List[0].PartialResourceList.Version = 1;
|
|
ResourceList->List[0].PartialResourceList.Revision = 1;
|
|
ResourceList->List[0].PartialResourceList.Count = RTL_NUMBER_OF(Ports);
|
|
|
|
Descriptor = &ResourceList->List[0].PartialResourceList.PartialDescriptors[0];
|
|
for (i = 0; i < RTL_NUMBER_OF(Ports); i++)
|
|
{
|
|
Descriptor->Type = CmResourceTypePort;
|
|
Descriptor->ShareDisposition = CmResourceShareDeviceExclusive;
|
|
Descriptor->Flags = CM_RESOURCE_PORT_16_BIT_DECODE;
|
|
Descriptor->u.Port.Length = 0x01;
|
|
Descriptor->u.Port.Start.LowPart = Ports[i];
|
|
|
|
Descriptor++;
|
|
}
|
|
|
|
PdoExt->ResourceList = ResourceList;
|
|
PdoExt->ResourceListSize = ListSize;
|
|
return STATUS_SUCCESS;
|
|
}
|
|
|
|
static
|
|
CODE_SEG("PAGE")
|
|
NTSTATUS
|
|
IsaPnpCreateReadPortDO(
|
|
_In_ PISAPNP_FDO_EXTENSION FdoExt)
|
|
{
|
|
PISAPNP_PDO_EXTENSION PdoExt;
|
|
NTSTATUS Status;
|
|
|
|
PAGED_CODE();
|
|
ASSERT(ReadPortCreated == FALSE);
|
|
|
|
DPRINT("Creating Read Port\n");
|
|
|
|
Status = IoCreateDevice(FdoExt->DriverObject,
|
|
sizeof(ISAPNP_PDO_EXTENSION),
|
|
NULL,
|
|
FILE_DEVICE_CONTROLLER,
|
|
FILE_DEVICE_SECURE_OPEN,
|
|
FALSE,
|
|
&FdoExt->ReadPortPdo);
|
|
if (!NT_SUCCESS(Status))
|
|
return Status;
|
|
|
|
PdoExt = FdoExt->ReadPortPdo->DeviceExtension;
|
|
RtlZeroMemory(PdoExt, sizeof(ISAPNP_PDO_EXTENSION));
|
|
PdoExt->Common.Signature = IsaPnpReadDataPort;
|
|
PdoExt->Common.Self = FdoExt->ReadPortPdo;
|
|
PdoExt->Common.State = dsStopped;
|
|
PdoExt->FdoExt = FdoExt;
|
|
|
|
Status = IsaPnpCreateReadPortDORequirements(PdoExt, 0);
|
|
if (!NT_SUCCESS(Status))
|
|
goto Failure;
|
|
|
|
Status = IsaPnpCreateReadPortDOResources(PdoExt);
|
|
if (!NT_SUCCESS(Status))
|
|
goto Failure;
|
|
|
|
FdoExt->ReadPortPdo->Flags &= ~DO_DEVICE_INITIALIZING;
|
|
|
|
return Status;
|
|
|
|
Failure:
|
|
IsaPnpRemoveReadPortDO(FdoExt->ReadPortPdo);
|
|
|
|
FdoExt->ReadPortPdo = NULL;
|
|
|
|
return Status;
|
|
}
|
|
|
|
CODE_SEG("PAGE")
|
|
VOID
|
|
IsaPnpRemoveReadPortDO(
|
|
_In_ PDEVICE_OBJECT Pdo)
|
|
{
|
|
PISAPNP_PDO_EXTENSION ReadPortExt = Pdo->DeviceExtension;
|
|
|
|
PAGED_CODE();
|
|
|
|
DPRINT("Removing Read Port\n");
|
|
|
|
if (ReadPortExt->RequirementsList)
|
|
ExFreePoolWithTag(ReadPortExt->RequirementsList, TAG_ISAPNP);
|
|
|
|
if (ReadPortExt->ResourceList)
|
|
ExFreePoolWithTag(ReadPortExt->ResourceList, TAG_ISAPNP);
|
|
|
|
IoDeleteDevice(Pdo);
|
|
}
|
|
|
|
CODE_SEG("PAGE")
|
|
NTSTATUS
|
|
IsaPnpFillDeviceRelations(
|
|
_In_ PISAPNP_FDO_EXTENSION FdoExt,
|
|
_Inout_ PIRP Irp,
|
|
_In_ BOOLEAN IncludeDataPort)
|
|
{
|
|
NTSTATUS Status = STATUS_SUCCESS;
|
|
PLIST_ENTRY CurrentEntry;
|
|
PISAPNP_LOGICAL_DEVICE IsaDevice;
|
|
PDEVICE_RELATIONS DeviceRelations;
|
|
ULONG PdoCount, i = 0;
|
|
|
|
PAGED_CODE();
|
|
|
|
IsaPnpAcquireBusDataLock();
|
|
|
|
/* Try to claim the Read Port for our FDO */
|
|
if (!ReadPortCreated)
|
|
{
|
|
Status = IsaPnpCreateReadPortDO(FdoExt);
|
|
if (!NT_SUCCESS(Status))
|
|
return Status;
|
|
|
|
ReadPortCreated = TRUE;
|
|
}
|
|
|
|
IsaPnpReleaseBusDataLock();
|
|
|
|
/* Inactive ISA bus */
|
|
if (!FdoExt->ReadPortPdo)
|
|
IncludeDataPort = FALSE;
|
|
|
|
IsaPnpAcquireDeviceDataLock(FdoExt);
|
|
|
|
/* If called from the FDO dispatch routine && Active bus */
|
|
if (IncludeDataPort && FdoExt->ReadPortPdo)
|
|
{
|
|
PISAPNP_PDO_EXTENSION ReadPortExt = FdoExt->ReadPortPdo->DeviceExtension;
|
|
|
|
if ((ReadPortExt->Flags & ISAPNP_READ_PORT_ALLOW_FDO_SCAN) &&
|
|
!(ReadPortExt->Flags & ISAPNP_SCANNED_BY_READ_PORT))
|
|
{
|
|
DPRINT("Rescan ISA PnP bus\n");
|
|
|
|
/* Run the isolation protocol */
|
|
FdoExt->Cards = IsaHwTryReadDataPort(FdoExt->ReadDataPort);
|
|
|
|
/* Card identification */
|
|
if (FdoExt->Cards > 0)
|
|
(VOID)IsaHwFillDeviceList(FdoExt);
|
|
|
|
IsaHwWaitForKey();
|
|
}
|
|
|
|
ReadPortExt->Flags &= ~ISAPNP_SCANNED_BY_READ_PORT;
|
|
}
|
|
|
|
PdoCount = FdoExt->DeviceCount;
|
|
if (IncludeDataPort)
|
|
++PdoCount;
|
|
|
|
CurrentEntry = FdoExt->DeviceListHead.Flink;
|
|
while (CurrentEntry != &FdoExt->DeviceListHead)
|
|
{
|
|
IsaDevice = CONTAINING_RECORD(CurrentEntry, ISAPNP_LOGICAL_DEVICE, DeviceLink);
|
|
|
|
if (!(IsaDevice->Flags & ISAPNP_PRESENT))
|
|
--PdoCount;
|
|
|
|
CurrentEntry = CurrentEntry->Flink;
|
|
}
|
|
|
|
DeviceRelations = ExAllocatePoolWithTag(PagedPool,
|
|
FIELD_OFFSET(DEVICE_RELATIONS, Objects[PdoCount]),
|
|
TAG_ISAPNP);
|
|
if (!DeviceRelations)
|
|
{
|
|
IsaPnpReleaseDeviceDataLock(FdoExt);
|
|
return STATUS_NO_MEMORY;
|
|
}
|
|
|
|
if (IncludeDataPort)
|
|
{
|
|
PISAPNP_PDO_EXTENSION ReadPortExt = FdoExt->ReadPortPdo->DeviceExtension;
|
|
|
|
DeviceRelations->Objects[i++] = FdoExt->ReadPortPdo;
|
|
ObReferenceObject(FdoExt->ReadPortPdo);
|
|
|
|
/* The Read Port PDO can only be removed by FDO */
|
|
ReadPortExt->Flags |= ISAPNP_ENUMERATED;
|
|
}
|
|
|
|
CurrentEntry = FdoExt->DeviceListHead.Flink;
|
|
while (CurrentEntry != &FdoExt->DeviceListHead)
|
|
{
|
|
PISAPNP_PDO_EXTENSION PdoExt;
|
|
|
|
IsaDevice = CONTAINING_RECORD(CurrentEntry, ISAPNP_LOGICAL_DEVICE, DeviceLink);
|
|
|
|
if (!(IsaDevice->Flags & ISAPNP_PRESENT))
|
|
goto SkipPdo;
|
|
|
|
if (!IsaDevice->Pdo)
|
|
{
|
|
Status = IoCreateDevice(FdoExt->DriverObject,
|
|
sizeof(ISAPNP_PDO_EXTENSION),
|
|
NULL,
|
|
FILE_DEVICE_CONTROLLER,
|
|
FILE_DEVICE_SECURE_OPEN | FILE_AUTOGENERATED_DEVICE_NAME,
|
|
FALSE,
|
|
&IsaDevice->Pdo);
|
|
if (!NT_SUCCESS(Status))
|
|
goto SkipPdo;
|
|
|
|
IsaDevice->Pdo->Flags &= ~DO_DEVICE_INITIALIZING;
|
|
/* The power pagable flag is always unset */
|
|
|
|
PdoExt = IsaDevice->Pdo->DeviceExtension;
|
|
|
|
RtlZeroMemory(PdoExt, sizeof(ISAPNP_PDO_EXTENSION));
|
|
PdoExt->Common.Signature = IsaPnpLogicalDevice;
|
|
PdoExt->Common.Self = IsaDevice->Pdo;
|
|
PdoExt->Common.State = dsStopped;
|
|
PdoExt->IsaPnpDevice = IsaDevice;
|
|
PdoExt->FdoExt = FdoExt;
|
|
|
|
if (!NT_SUCCESS(IsaPnpCreateLogicalDeviceRequirements(PdoExt)) ||
|
|
!NT_SUCCESS(IsaPnpCreateLogicalDeviceResources(PdoExt)))
|
|
{
|
|
if (PdoExt->RequirementsList)
|
|
{
|
|
ExFreePoolWithTag(PdoExt->RequirementsList, TAG_ISAPNP);
|
|
PdoExt->RequirementsList = NULL;
|
|
}
|
|
|
|
if (PdoExt->ResourceList)
|
|
{
|
|
ExFreePoolWithTag(PdoExt->ResourceList, TAG_ISAPNP);
|
|
PdoExt->ResourceList = NULL;
|
|
}
|
|
|
|
IoDeleteDevice(IsaDevice->Pdo);
|
|
IsaDevice->Pdo = NULL;
|
|
goto SkipPdo;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
PdoExt = IsaDevice->Pdo->DeviceExtension;
|
|
}
|
|
DeviceRelations->Objects[i++] = IsaDevice->Pdo;
|
|
ObReferenceObject(IsaDevice->Pdo);
|
|
|
|
PdoExt->Flags |= ISAPNP_ENUMERATED;
|
|
|
|
CurrentEntry = CurrentEntry->Flink;
|
|
continue;
|
|
|
|
SkipPdo:
|
|
if (IsaDevice->Pdo)
|
|
{
|
|
PdoExt = IsaDevice->Pdo->DeviceExtension;
|
|
|
|
if (PdoExt)
|
|
PdoExt->Flags &= ~ISAPNP_ENUMERATED;
|
|
}
|
|
|
|
CurrentEntry = CurrentEntry->Flink;
|
|
}
|
|
|
|
IsaPnpReleaseDeviceDataLock(FdoExt);
|
|
|
|
DeviceRelations->Count = i;
|
|
|
|
Irp->IoStatus.Information = (ULONG_PTR)DeviceRelations;
|
|
|
|
return Status;
|
|
}
|
|
|
|
static CODE_SEG("PAGE") DRIVER_ADD_DEVICE IsaAddDevice;
|
|
|
|
static
|
|
CODE_SEG("PAGE")
|
|
NTSTATUS
|
|
NTAPI
|
|
IsaAddDevice(
|
|
_In_ PDRIVER_OBJECT DriverObject,
|
|
_In_ PDEVICE_OBJECT PhysicalDeviceObject)
|
|
{
|
|
PDEVICE_OBJECT Fdo;
|
|
PISAPNP_FDO_EXTENSION FdoExt;
|
|
NTSTATUS Status;
|
|
static ULONG BusNumber = 0;
|
|
|
|
PAGED_CODE();
|
|
|
|
DPRINT("%s(%p, %p)\n", __FUNCTION__, DriverObject, PhysicalDeviceObject);
|
|
|
|
Status = IoCreateDevice(DriverObject,
|
|
sizeof(*FdoExt),
|
|
NULL,
|
|
FILE_DEVICE_BUS_EXTENDER,
|
|
FILE_DEVICE_SECURE_OPEN,
|
|
FALSE,
|
|
&Fdo);
|
|
if (!NT_SUCCESS(Status))
|
|
{
|
|
DPRINT1("Failed to create FDO (0x%08lx)\n", Status);
|
|
return Status;
|
|
}
|
|
|
|
FdoExt = Fdo->DeviceExtension;
|
|
RtlZeroMemory(FdoExt, sizeof(*FdoExt));
|
|
|
|
FdoExt->Common.Self = Fdo;
|
|
FdoExt->Common.Signature = IsaPnpBus;
|
|
FdoExt->Common.State = dsStopped;
|
|
FdoExt->DriverObject = DriverObject;
|
|
FdoExt->BusNumber = BusNumber++;
|
|
FdoExt->Pdo = PhysicalDeviceObject;
|
|
FdoExt->Ldo = IoAttachDeviceToDeviceStack(Fdo,
|
|
PhysicalDeviceObject);
|
|
if (!FdoExt->Ldo)
|
|
{
|
|
IoDeleteDevice(Fdo);
|
|
return STATUS_DEVICE_REMOVED;
|
|
}
|
|
|
|
InitializeListHead(&FdoExt->DeviceListHead);
|
|
KeInitializeEvent(&FdoExt->DeviceSyncEvent, SynchronizationEvent, TRUE);
|
|
|
|
IsaPnpAcquireBusDataLock();
|
|
InsertTailList(&BusListHead, &FdoExt->BusLink);
|
|
IsaPnpReleaseBusDataLock();
|
|
|
|
Fdo->Flags &= ~DO_DEVICE_INITIALIZING;
|
|
|
|
return STATUS_SUCCESS;
|
|
}
|
|
|
|
_Dispatch_type_(IRP_MJ_POWER)
|
|
static DRIVER_DISPATCH_RAISED IsaPower;
|
|
|
|
static
|
|
NTSTATUS
|
|
NTAPI
|
|
IsaPower(
|
|
_In_ PDEVICE_OBJECT DeviceObject,
|
|
_Inout_ PIRP Irp)
|
|
{
|
|
PISAPNP_COMMON_EXTENSION DevExt = DeviceObject->DeviceExtension;
|
|
NTSTATUS Status;
|
|
|
|
if (DevExt->Signature != IsaPnpBus)
|
|
{
|
|
switch (IoGetCurrentIrpStackLocation(Irp)->MinorFunction)
|
|
{
|
|
case IRP_MN_SET_POWER:
|
|
case IRP_MN_QUERY_POWER:
|
|
Status = STATUS_SUCCESS;
|
|
Irp->IoStatus.Status = Status;
|
|
break;
|
|
|
|
default:
|
|
Status = Irp->IoStatus.Status;
|
|
break;
|
|
}
|
|
|
|
PoStartNextPowerIrp(Irp);
|
|
IoCompleteRequest(Irp, IO_NO_INCREMENT);
|
|
return Status;
|
|
}
|
|
|
|
PoStartNextPowerIrp(Irp);
|
|
IoSkipCurrentIrpStackLocation(Irp);
|
|
return PoCallDriver(((PISAPNP_FDO_EXTENSION)DevExt)->Ldo, Irp);
|
|
}
|
|
|
|
_Dispatch_type_(IRP_MJ_PNP)
|
|
static CODE_SEG("PAGE") DRIVER_DISPATCH_PAGED IsaPnp;
|
|
|
|
static
|
|
CODE_SEG("PAGE")
|
|
NTSTATUS
|
|
NTAPI
|
|
IsaPnp(
|
|
_In_ PDEVICE_OBJECT DeviceObject,
|
|
_Inout_ PIRP Irp)
|
|
{
|
|
PIO_STACK_LOCATION IrpSp = IoGetCurrentIrpStackLocation(Irp);
|
|
PISAPNP_COMMON_EXTENSION DevExt = DeviceObject->DeviceExtension;
|
|
|
|
PAGED_CODE();
|
|
|
|
if (DevExt->Signature == IsaPnpBus)
|
|
return IsaFdoPnp((PISAPNP_FDO_EXTENSION)DevExt, Irp, IrpSp);
|
|
else
|
|
return IsaPdoPnp((PISAPNP_PDO_EXTENSION)DevExt, Irp, IrpSp);
|
|
}
|
|
|
|
CODE_SEG("INIT")
|
|
NTSTATUS
|
|
NTAPI
|
|
DriverEntry(
|
|
_In_ PDRIVER_OBJECT DriverObject,
|
|
_In_ PUNICODE_STRING RegistryPath)
|
|
{
|
|
DPRINT("%s(%p, %wZ)\n", __FUNCTION__, DriverObject, RegistryPath);
|
|
|
|
DriverObject->MajorFunction[IRP_MJ_CREATE] = IsaCreateClose;
|
|
DriverObject->MajorFunction[IRP_MJ_CLOSE] = IsaCreateClose;
|
|
DriverObject->MajorFunction[IRP_MJ_DEVICE_CONTROL] = IsaForwardOrIgnore;
|
|
DriverObject->MajorFunction[IRP_MJ_SYSTEM_CONTROL] = IsaForwardOrIgnore;
|
|
DriverObject->MajorFunction[IRP_MJ_PNP] = IsaPnp;
|
|
DriverObject->MajorFunction[IRP_MJ_POWER] = IsaPower;
|
|
DriverObject->DriverExtension->AddDevice = IsaAddDevice;
|
|
|
|
/* FIXME: Fix SDK headers */
|
|
#if 0
|
|
_No_competing_thread_begin_
|
|
#endif
|
|
|
|
KeInitializeEvent(&BusSyncEvent, SynchronizationEvent, TRUE);
|
|
InitializeListHead(&BusListHead);
|
|
|
|
/* FIXME: Fix SDK headers */
|
|
#if 0
|
|
_No_competing_thread_end_
|
|
#endif
|
|
|
|
return STATUS_SUCCESS;
|
|
}
|
|
|
|
/* EOF */
|