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[CMBATT] Implement CmBattGetBifData/CmBattGetBstData

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This commit is contained in:
Hervé Poussineau 2024-02-14 22:23:17 +01:00
parent 8612d6c0aa
commit 359e73d055
1 changed files with 137 additions and 4 deletions
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141
drivers/bus/acpi/cmbatt/cmexec.c
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@ -13,6 +13,13 @@
#include <acpiioct.h>
#include <debug.h>
typedef struct
{
LPSTR Name;
BOOLEAN IsString;
PVOID Data;
} ACPI_PACKAGE_FIELD, *PACPI_PACKAGE_FIELD;
/* FUNCTIONS ******************************************************************/
NTSTATUS
@ -151,6 +158,86 @@ CmBattSendDownStreamIrp(IN PDEVICE_OBJECT DeviceObject,
return Status;
}
static
NTSTATUS
CmBattCallAcpiPackage(
_In_ LPCSTR FunctionName,
_In_ PCMBATT_DEVICE_EXTENSION DeviceExtension,
_In_ ULONG PackageName,
_In_ ULONG OutputBufferSize,
_In_ PACPI_PACKAGE_FIELD PackageFields,
_In_ ULONG PackageFieldCount)
{
NTSTATUS Status;
PACPI_EVAL_OUTPUT_BUFFER OutputBuffer;
ACPI_EVAL_INPUT_BUFFER InputBuffer;
PACPI_METHOD_ARGUMENT Argument;
ULONG i;
PAGED_CODE();
OutputBuffer = ExAllocatePoolWithTag(PagedPool,
OutputBufferSize,
'MtaB');
if (!OutputBuffer)
{
if (CmBattDebug & (CMBATT_ACPI_ENTRY_EXIT | CMBATT_ACPI_WARNING | CMBATT_GENERIC_WARNING))
DbgPrint("%s: Failed to allocate Buffer\n", FunctionName);
return STATUS_INSUFFICIENT_RESOURCES;
}
/* Initialize to zero */
RtlZeroMemory(OutputBuffer, OutputBufferSize);
/* Request the ACPI method */
*(PULONG)InputBuffer.MethodName = PackageName;
InputBuffer.Signature = ACPI_EVAL_INPUT_BUFFER_SIGNATURE;
/* Send it to ACPI */
Status = CmBattSendDownStreamIrp(DeviceExtension->AttachedDevice,
IOCTL_ACPI_EVAL_METHOD,
&InputBuffer,
sizeof(InputBuffer),
OutputBuffer,
OutputBufferSize);
if (!NT_SUCCESS(Status))
{
if (CmBattDebug & (CMBATT_ACPI_ASSERT | CMBATT_ACPI_ENTRY_EXIT | CMBATT_ACPI_WARNING | CMBATT_GENERIC_WARNING))
DbgPrint("%s: Failed 0x%08x method on device %x - Status (0x%x)\n",
FunctionName, PackageName, DeviceExtension->DeviceId, Status);
ExFreePoolWithTag(OutputBuffer, 'MtaB');
return Status;
}
/* Check if we got the right number of elements */
if (OutputBuffer->Count != PackageFieldCount)
{
if (CmBattDebug & (CMBATT_ACPI_ASSERT | CMBATT_ACPI_ENTRY_EXIT | CMBATT_ACPI_WARNING | CMBATT_GENERIC_WARNING))
DbgPrint("%s: 0x%08x method returned %d elements (requires %d)\n",
FunctionName, PackageName, OutputBuffer->Count, PackageFieldCount);
ExFreePoolWithTag(OutputBuffer, 'MtaB');
return STATUS_ACPI_INVALID_DATA;
}
Argument = OutputBuffer->Argument;
for (i = 0; i < PackageFieldCount && NT_SUCCESS(Status); i++)
{
if (PackageFields[i].IsString)
Status = GetStringElement(Argument, PackageFields[i].Data);
else
Status = GetDwordElement(Argument, PackageFields[i].Data);
if (!NT_SUCCESS(Status))
{
if (CmBattDebug & (CMBATT_ACPI_ASSERT | CMBATT_ACPI_ENTRY_EXIT | CMBATT_ACPI_WARNING | CMBATT_GENERIC_WARNING))
DbgPrint("%s: Failed to get %s\n", FunctionName, PackageFields[i].Name);
break;
}
Argument = ACPI_METHOD_NEXT_ARGUMENT(Argument);
}
ExFreePoolWithTag(OutputBuffer, 'MtaB');
return Status;
}
NTSTATUS
NTAPI
CmBattGetPsrData(IN PDEVICE_OBJECT DeviceObject,
@ -325,8 +412,37 @@ NTAPI
CmBattGetBifData(PCMBATT_DEVICE_EXTENSION DeviceExtension,
PACPI_BIF_DATA BifData)
{
UNIMPLEMENTED;
return STATUS_NOT_IMPLEMENTED;
ACPI_PACKAGE_FIELD BifFields[] = {
{ "PowerUnit", FALSE, &BifData->PowerUnit },
{ "DesignCapacity", FALSE, &BifData->DesignCapacity },
{ "LastFullCapacity", FALSE, &BifData->LastFullCapacity },
{ "BatteryTechnology", FALSE, &BifData->BatteryTechnology },
{ "DesignVoltage", FALSE, &BifData->DesignVoltage },
{ "DesignCapacityWarning", FALSE, &BifData->DesignCapacityWarning },
{ "DesignCapacityLow", FALSE, &BifData->DesignCapacityLow },
{ "BatteryCapacityGranularity1", FALSE, &BifData->BatteryCapacityGranularity1 },
{ "BatteryCapacityGranularity2", FALSE, &BifData->BatteryCapacityGranularity2 },
{ "ModelNumber", TRUE, &BifData->ModelNumber },
{ "SerialNumber", TRUE, &BifData->SerialNumber },
{ "BatteryType", TRUE, &BifData->BatteryType },
{ "OemInfo", TRUE, &BifData->OemInfo },
};
PAGED_CODE();
if (CmBattDebug & CMBATT_ACPI_ENTRY_EXIT)
DbgPrint("CmBattGetBifData: Buffer (0x%x) Device %x Tid %x\n",
BifData, DeviceExtension->DeviceId, KeGetCurrentThread());
/* Request the _BIF method */
/* Note that _BIF method is deprecated since ACPI 4.0, and replaced by _BIX method.
* However, VirtualBox 7.0 only support _BIF method.
*/
return CmBattCallAcpiPackage("CmBattGetBifData",
DeviceExtension,
'FIB_',
512,
BifFields,
RTL_NUMBER_OF(BifFields));
}
NTSTATUS
@ -334,8 +450,25 @@ NTAPI
CmBattGetBstData(PCMBATT_DEVICE_EXTENSION DeviceExtension,
PACPI_BST_DATA BstData)
{
UNIMPLEMENTED;
return STATUS_NOT_IMPLEMENTED;
ACPI_PACKAGE_FIELD BstFields[] = {
{ "State", FALSE, &BstData->State },
{ "PresentRate", FALSE, &BstData->PresentRate },
{ "RemainingCapacity", FALSE, &BstData->RemainingCapacity },
{ "PresentVoltage", FALSE, &BstData->PresentVoltage },
};
PAGED_CODE();
if (CmBattDebug & CMBATT_ACPI_ENTRY_EXIT)
DbgPrint("CmBattGetBstData: Buffer (0x%x) Device %x Tid %x\n",
BstData, DeviceExtension->DeviceId, KeGetCurrentThread());
return CmBattCallAcpiPackage("CmBattGetBstData",
DeviceExtension,
'TSB_',
512,
BstFields,
RTL_NUMBER_OF(BstFields));
}
/* EOF */