diff options
Diffstat (limited to 'OvmfPkg/IoMmuDxe')
| -rw-r--r-- | OvmfPkg/IoMmuDxe/AmdSevIoMmu.c | 31 |
1 files changed, 28 insertions, 3 deletions
diff --git a/OvmfPkg/IoMmuDxe/AmdSevIoMmu.c b/OvmfPkg/IoMmuDxe/AmdSevIoMmu.c index ec625166f4..59cee95c0e 100644 --- a/OvmfPkg/IoMmuDxe/AmdSevIoMmu.c +++ b/OvmfPkg/IoMmuDxe/AmdSevIoMmu.c @@ -45,6 +45,19 @@ STATIC LIST_ENTRY mRecycledMapInfos = INITIALIZE_LIST_HEAD_VARIABLE ( #define COMMON_BUFFER_SIG SIGNATURE_64 ('C', 'M', 'N', 'B', 'U', 'F', 'F', 'R')
//
+// ASCII names for EDKII_IOMMU_OPERATION constants, for debug logging.
+//
+STATIC CONST CHAR8 * CONST
+mBusMasterOperationName[EdkiiIoMmuOperationMaximum] = {
+ "Read",
+ "Write",
+ "CommonBuffer",
+ "Read64",
+ "Write64",
+ "CommonBuffer64"
+};
+
+//
// The following structure enables Map() and Unmap() to perform in-place
// decryption and encryption, respectively, for BusMasterCommonBuffer[64]
// operations, without dynamic memory allocation or release.
@@ -116,6 +129,18 @@ IoMmuMap ( COMMON_BUFFER_HEADER *CommonBufferHeader;
VOID *DecryptionSource;
+ DEBUG ((
+ DEBUG_VERBOSE,
+ "%a: Operation=%a Host=0x%p Bytes=0x%Lx\n",
+ __FUNCTION__,
+ ((Operation >= 0 &&
+ Operation < ARRAY_SIZE (mBusMasterOperationName)) ?
+ mBusMasterOperationName[Operation] :
+ "Invalid"),
+ HostAddress,
+ (UINT64)((NumberOfBytes == NULL) ? 0 : *NumberOfBytes)
+ ));
+
if (HostAddress == NULL || NumberOfBytes == NULL || DeviceAddress == NULL ||
Mapping == NULL) {
return EFI_INVALID_PARAMETER;
@@ -281,12 +306,12 @@ IoMmuMap ( DEBUG ((
DEBUG_VERBOSE,
- "%a PlainText 0x%Lx Crypted 0x%Lx Pages 0x%Lx Bytes 0x%Lx\n",
+ "%a: Mapping=0x%p Device(PlainText)=0x%Lx Crypted=0x%Lx Pages=0x%Lx\n",
__FUNCTION__,
+ MapInfo,
MapInfo->PlainTextAddress,
MapInfo->CryptedAddress,
- (UINT64)MapInfo->NumberOfPages,
- (UINT64)MapInfo->NumberOfBytes
+ (UINT64)MapInfo->NumberOfPages
));
return EFI_SUCCESS;
|