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[NTOSKRNL] IopGetDeviceProperty: Send an IRP_MN_QUERY_CAPABILITIES request to the device in order to query the power capabilities.

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This commit is contained in:
Eric Kohl 2018-12-10 00:30:03 +01:00
parent dd11f4c34b
commit 12fdc129cf
1 changed files with 50 additions and 29 deletions
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79
ntoskrnl/io/pnpmgr/plugplay.c
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@ -359,40 +359,61 @@ IopGetDeviceProperty(PPLUGPLAY_CONTROL_PROPERTY_DATA PropertyData)
}
else
{
// DEVICE_CAPABILITIES DeviceCapabilities;
DEVICE_CAPABILITIES DeviceCapabilities;
PCM_POWER_DATA PowerData;
// Status = IopQueryDeviceCapabilities(DeviceNode, &DeviceCapabilities);
IO_STACK_LOCATION Stack;
IO_STATUS_BLOCK IoStatusBlock;
PowerData = (PCM_POWER_DATA)Buffer;
RtlZeroMemory(PowerData, sizeof(CM_POWER_DATA));
PowerData->PD_Size = sizeof(CM_POWER_DATA);
// PowerData->PD_MostRecentPowerState;
PowerData->PD_Capabilities = PDCAP_D0_SUPPORTED | PDCAP_D3_SUPPORTED;
/*
if (DeviceCapabilities.DeviceD1)
PowerData->PD_Capabilities |= PDCAP_D1_SUPPORTED;
if (DeviceCapabilities.DeviceD2)
PowerData->PD_Capabilities |= PDCAP_D2_SUPPORTED;
if (DeviceCapabilities.WakeFromD0)
PowerData->PD_Capabilities |= PDCAP_WAKE_FROM_D0_SUPPORTED;
if (DeviceCapabilities.WakeFromD1)
PowerData->PD_Capabilities |= PDCAP_WAKE_FROM_D1_SUPPORTED;
if (DeviceCapabilities.WakeFromD2)
PowerData->PD_Capabilities |= PDCAP_WAKE_FROM_D2_SUPPORTED;
if (DeviceCapabilities.WakeFromD3)
PowerData->PD_Capabilities |= PDCAP_WAKE_FROM_D3_SUPPORTED;
if (DeviceCapabilities.WarmEjectSupported)
PowerData->PD_Capabilities |= PDCAP_WARM_EJECT_SUPPORTED;
PowerData->PD_D1Latency = DeviceCapabilities.D1Latency;
PowerData->PD_D2Latency = DeviceCapabilities.D2Latency;
PowerData->PD_D3Latency = DeviceCapabilities.D3Latency;
RtlCopyMemory(&PowerData->PD_PowerStateMapping,
&DeviceCapabilities.DeviceState,
sizeof(DeviceCapabilities.DeviceState));
PowerData->PD_DeepestSystemWake = DeviceCapabilities.SystemWake;
*/
RtlZeroMemory(&DeviceCapabilities, sizeof(DEVICE_CAPABILITIES));
DeviceCapabilities.Size = sizeof(DEVICE_CAPABILITIES);
DeviceCapabilities.Version = 1;
DeviceCapabilities.Address = -1;
DeviceCapabilities.UINumber = -1;
Stack.Parameters.DeviceCapabilities.Capabilities = &DeviceCapabilities;
Status = IopInitiatePnpIrp(DeviceObject,
&IoStatusBlock,
IRP_MN_QUERY_CAPABILITIES,
&Stack);
if (NT_SUCCESS(Status))
{
DPRINT("Got device capabiliities\n");
PowerData->PD_MostRecentPowerState = PowerDeviceD0; // FIXME
if (DeviceCapabilities.DeviceD1)
PowerData->PD_Capabilities |= PDCAP_D1_SUPPORTED;
if (DeviceCapabilities.DeviceD2)
PowerData->PD_Capabilities |= PDCAP_D2_SUPPORTED;
if (DeviceCapabilities.WakeFromD0)
PowerData->PD_Capabilities |= PDCAP_WAKE_FROM_D0_SUPPORTED;
if (DeviceCapabilities.WakeFromD1)
PowerData->PD_Capabilities |= PDCAP_WAKE_FROM_D1_SUPPORTED;
if (DeviceCapabilities.WakeFromD2)
PowerData->PD_Capabilities |= PDCAP_WAKE_FROM_D2_SUPPORTED;
if (DeviceCapabilities.WakeFromD3)
PowerData->PD_Capabilities |= PDCAP_WAKE_FROM_D3_SUPPORTED;
if (DeviceCapabilities.WarmEjectSupported)
PowerData->PD_Capabilities |= PDCAP_WARM_EJECT_SUPPORTED;
PowerData->PD_D1Latency = DeviceCapabilities.D1Latency;
PowerData->PD_D2Latency = DeviceCapabilities.D2Latency;
PowerData->PD_D3Latency = DeviceCapabilities.D3Latency;
RtlCopyMemory(&PowerData->PD_PowerStateMapping,
&DeviceCapabilities.DeviceState,
sizeof(DeviceCapabilities.DeviceState));
PowerData->PD_DeepestSystemWake = DeviceCapabilities.SystemWake;
}
else
{
DPRINT("IRP_MN_QUERY_CAPABILITIES failed (Status 0x%08lx)\n", Status);
PowerData->PD_Capabilities = PDCAP_D0_SUPPORTED | PDCAP_D3_SUPPORTED;
PowerData->PD_MostRecentPowerState = PowerDeviceD0;
}
}
}
else if (Property == PNP_PROPERTY_REMOVAL_POLICY_OVERRIDE)