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IntelSiliconPkg/PlatformVTdSample: update ExceptionDevice 

Add sample for device scope based exception list
and PCI vendor id based exception list.

Cc: Star Zeng <star.zeng@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Jiewen Yao <jiewen.yao@intel.com>
Reviewed-by: Star Zeng <star.zeng@intel.com>
This commit is contained in:
Jiewen Yao 2017-08-25 14:36:41 +08:00
parent f77d35c7f0
commit 5f5bdf4ab5
1 changed files with 70 additions and 10 deletions
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80
IntelSiliconPkg/PlatformVTdSampleDxe/PlatformVTdSampleDxe.c
View File

@ -27,6 +27,8 @@
#include <Library/UefiBootServicesTableLib.h>
#include <Library/DevicePathLib.h>
#include <IndustryStandard/DmaRemappingReportingTable.h>
typedef struct {
ACPI_EXTENDED_HID_DEVICE_PATH I2cController;
UINT8 HidStr[8];
@ -137,10 +139,57 @@ PLATFORM_PCI_BRIDGE_DEVICE_PATH mPlatformPciBridgeDevicePath = {
PLATFORM_END_ENTIRE
};
EDKII_PLATFORM_VTD_DEVICE_INFO mExceptionDeviceList[] = {
#pragma pack(1)
typedef struct {
EDKII_PLATFORM_VTD_EXCEPTION_DEVICE_INFO ExceptionDeviceInfo;
EDKII_PLATFORM_VTD_DEVICE_SCOPE DeviceScope;
EFI_ACPI_DMAR_PCI_PATH PciBridge;
EFI_ACPI_DMAR_PCI_PATH PciDevice;
} PLATFORM_EXCEPTION_DEVICE_SCOPE_STRUCT;
typedef struct {
EDKII_PLATFORM_VTD_EXCEPTION_DEVICE_INFO ExceptionDeviceInfo;
EDKII_PLATFORM_VTD_PCI_DEVICE_ID PciDeviceId;
} PLATFORM_EXCEPTION_PCI_DEVICE_ID_STRUCT;
#pragma pack()
PLATFORM_EXCEPTION_DEVICE_SCOPE_STRUCT mExceptionDeviceScopeList[] = {
{
0x0, // Segment
{{0x00, 0x00, 0x02}} // Function, Device, Bus
{
EDKII_PLATFORM_VTD_EXCEPTION_DEVICE_INFO_TYPE_DEVICE_SCOPE,
sizeof(PLATFORM_EXCEPTION_DEVICE_SCOPE_STRUCT)
}, // ExceptionDeviceInfo
{
0, // SegmentNumber
{
EFI_ACPI_DEVICE_SCOPE_ENTRY_TYPE_PCI_ENDPOINT, // Type
sizeof(EFI_ACPI_DMAR_DEVICE_SCOPE_STRUCTURE_HEADER) +
2 * sizeof(EFI_ACPI_DMAR_PCI_PATH), // Length
0, // Reserved2
0, // EnumerationId
0, // StartBusNumber
},
}, // DeviceScope
{ 0x1C, 1 }, // PciBridge
{ 0x0, 0 }, // PciDevice
},
};
PLATFORM_EXCEPTION_PCI_DEVICE_ID_STRUCT mExceptionPciDeviceIdList[] = {
{
{
EDKII_PLATFORM_VTD_EXCEPTION_DEVICE_INFO_TYPE_PCI_DEVICE_ID,
sizeof(PLATFORM_EXCEPTION_PCI_DEVICE_ID_STRUCT)
}, // ExceptionDeviceInfo
{
0x8086, // VendorId
0x9D2F, // DeviceId
0x21, // RevisionId
0x8086, // SubsystemVendorId
0x7270, // SubsystemDeviceId
},
},
};
@ -269,6 +318,7 @@ PlatformVTdGetDeviceId (
@param[in] This The protocol instance pointer.
@param[out] DeviceInfoCount The count of the list of DeviceInfo.
@param[out] DeviceInfo A callee allocated buffer to hold a list of DeviceInfo.
Each DeviceInfo pointer points to EDKII_PLATFORM_VTD_EXCEPTION_DEVICE_INFO.
@retval EFI_SUCCESS The DeviceInfoCount and DeviceInfo are returned.
@retval EFI_INVALID_PARAMETER DeviceInfoCount is NULL, or DeviceInfo is NULL.
@ -280,7 +330,7 @@ EFIAPI
PlatformVTdGetExceptionDeviceList (
IN EDKII_PLATFORM_VTD_POLICY_PROTOCOL *This,
OUT UINTN *DeviceInfoCount,
OUT EDKII_PLATFORM_VTD_DEVICE_INFO **DeviceInfo
OUT VOID **DeviceInfo
)
{
DEBUG ((DEBUG_VERBOSE, "PlatformVTdGetExceptionDeviceList\n"));
@ -289,13 +339,23 @@ PlatformVTdGetExceptionDeviceList (
return EFI_INVALID_PARAMETER;
}
*DeviceInfo = AllocateZeroPool (sizeof(mExceptionDeviceList));
if (*DeviceInfo == NULL) {
return EFI_OUT_OF_RESOURCES;
}
CopyMem (*DeviceInfo, mExceptionDeviceList, sizeof(mExceptionDeviceList));
if (0) {
*DeviceInfo = AllocateZeroPool (sizeof(mExceptionDeviceScopeList));
if (*DeviceInfo == NULL) {
return EFI_OUT_OF_RESOURCES;
}
CopyMem (*DeviceInfo, mExceptionDeviceScopeList, sizeof(mExceptionDeviceScopeList));
*DeviceInfoCount = ARRAY_SIZE(mExceptionDeviceList);
*DeviceInfoCount = ARRAY_SIZE(mExceptionDeviceScopeList);
} else {
*DeviceInfo = AllocateZeroPool (sizeof(mExceptionPciDeviceIdList));
if (*DeviceInfo == NULL) {
return EFI_OUT_OF_RESOURCES;
}
CopyMem (*DeviceInfo, mExceptionPciDeviceIdList, sizeof(mExceptionPciDeviceIdList));
*DeviceInfoCount = ARRAY_SIZE(mExceptionPciDeviceIdList);
}
return EFI_SUCCESS;
}