diff options
Diffstat (limited to 'EmbeddedPkg/Library/CoherentDmaLib/CoherentDmaLib.c')
| -rw-r--r-- | EmbeddedPkg/Library/CoherentDmaLib/CoherentDmaLib.c | 57 |
1 files changed, 28 insertions, 29 deletions
diff --git a/EmbeddedPkg/Library/CoherentDmaLib/CoherentDmaLib.c b/EmbeddedPkg/Library/CoherentDmaLib/CoherentDmaLib.c index 9c21d748db..7466543664 100644 --- a/EmbeddedPkg/Library/CoherentDmaLib/CoherentDmaLib.c +++ b/EmbeddedPkg/Library/CoherentDmaLib/CoherentDmaLib.c @@ -12,11 +12,10 @@ #include <Library/DmaLib.h>
#include <Library/MemoryAllocationLib.h>
-
STATIC
PHYSICAL_ADDRESS
HostToDeviceAddress (
- IN VOID *Address
+ IN VOID *Address
)
{
return (PHYSICAL_ADDRESS)(UINTN)Address + PcdGet64 (PcdDmaDeviceOffset);
@@ -45,25 +44,26 @@ HostToDeviceAddress ( EFI_STATUS
EFIAPI
DmaMap (
- IN DMA_MAP_OPERATION Operation,
- IN VOID *HostAddress,
- IN OUT UINTN *NumberOfBytes,
- OUT PHYSICAL_ADDRESS *DeviceAddress,
- OUT VOID **Mapping
+ IN DMA_MAP_OPERATION Operation,
+ IN VOID *HostAddress,
+ IN OUT UINTN *NumberOfBytes,
+ OUT PHYSICAL_ADDRESS *DeviceAddress,
+ OUT VOID **Mapping
)
{
- if (HostAddress == NULL ||
- NumberOfBytes == NULL ||
- DeviceAddress == NULL ||
- Mapping == NULL ) {
+ if ((HostAddress == NULL) ||
+ (NumberOfBytes == NULL) ||
+ (DeviceAddress == NULL) ||
+ (Mapping == NULL))
+ {
return EFI_INVALID_PARAMETER;
}
+
*DeviceAddress = HostToDeviceAddress (HostAddress);
- *Mapping = NULL;
+ *Mapping = NULL;
return EFI_SUCCESS;
}
-
/**
Completes the DmaMapBusMasterRead(), DmaMapBusMasterWrite(), or DmaMapBusMasterCommonBuffer()
operation and releases any corresponding resources.
@@ -77,7 +77,7 @@ DmaMap ( EFI_STATUS
EFIAPI
DmaUnmap (
- IN VOID *Mapping
+ IN VOID *Mapping
)
{
return EFI_SUCCESS;
@@ -103,15 +103,14 @@ DmaUnmap ( EFI_STATUS
EFIAPI
DmaAllocateBuffer (
- IN EFI_MEMORY_TYPE MemoryType,
- IN UINTN Pages,
- OUT VOID **HostAddress
+ IN EFI_MEMORY_TYPE MemoryType,
+ IN UINTN Pages,
+ OUT VOID **HostAddress
)
{
return DmaAllocateAlignedBuffer (MemoryType, Pages, 0, HostAddress);
}
-
/**
Allocates pages that are suitable for an DmaMap() of type
MapOperationBusMasterCommonBuffer mapping, at the requested alignment.
@@ -134,18 +133,19 @@ DmaAllocateBuffer ( EFI_STATUS
EFIAPI
DmaAllocateAlignedBuffer (
- IN EFI_MEMORY_TYPE MemoryType,
- IN UINTN Pages,
- IN UINTN Alignment,
- OUT VOID **HostAddress
+ IN EFI_MEMORY_TYPE MemoryType,
+ IN UINTN Pages,
+ IN UINTN Alignment,
+ OUT VOID **HostAddress
)
{
if (Alignment == 0) {
Alignment = EFI_PAGE_SIZE;
}
- if (HostAddress == NULL ||
- (Alignment & (Alignment - 1)) != 0) {
+ if ((HostAddress == NULL) ||
+ ((Alignment & (Alignment - 1)) != 0))
+ {
return EFI_INVALID_PARAMETER;
}
@@ -163,10 +163,10 @@ DmaAllocateAlignedBuffer ( if (*HostAddress == NULL) {
return EFI_OUT_OF_RESOURCES;
}
+
return EFI_SUCCESS;
}
-
/**
Frees memory that was allocated with DmaAllocateBuffer().
@@ -181,15 +181,14 @@ DmaAllocateAlignedBuffer ( EFI_STATUS
EFIAPI
DmaFreeBuffer (
- IN UINTN Pages,
- IN VOID *HostAddress
+ IN UINTN Pages,
+ IN VOID *HostAddress
)
{
if (HostAddress == NULL) {
- return EFI_INVALID_PARAMETER;
+ return EFI_INVALID_PARAMETER;
}
FreePages (HostAddress, Pages);
return EFI_SUCCESS;
}
-
|