diff options
Diffstat (limited to 'MdePkg/Include/Protocol/DeviceIo.h')
-rw-r--r-- | MdePkg/Include/Protocol/DeviceIo.h | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/MdePkg/Include/Protocol/DeviceIo.h b/MdePkg/Include/Protocol/DeviceIo.h index 0d70632fd9..643c810a34 100644 --- a/MdePkg/Include/Protocol/DeviceIo.h +++ b/MdePkg/Include/Protocol/DeviceIo.h @@ -47,7 +47,7 @@ typedef enum { @param Count The number of I/O operations to perform.
@param Buffer For read operations, the destination buffer to store the results. For write
operations, the source buffer to write data from.
-
+
@retval EFI_SUCCESS The data was read from or written to the device.
@retval EFI_OUT_OF_RESOURCES The request could not be completed due to a lack of resources.
@retval EFI_INVALID_PARAMETER Width is invalid.
@@ -76,7 +76,7 @@ typedef struct { is going to be returned.
@param PciDevicePath A pointer to the pointer for the EFI Device Path for PciAddress.
Memory for the Device Path is allocated from the pool.
-
+
@retval EFI_SUCCESS The PciDevicePath returns a pointer to a valid EFI Device Path.
@retval EFI_OUT_OF_RESOURCES The request could not be completed due to a lack of resources.
@retval EFI_UNSUPPORTED The PciAddress does not map to a valid EFI Device Path.
@@ -106,7 +106,7 @@ typedef enum { @param DeviceAddress The resulting map address for the bus master device to use to access the
hosts HostAddress.
@param Mapping A resulting value to pass to Unmap().
-
+
@retval EFI_SUCCESS The range was mapped for the returned NumberOfBytes.
@retval EFI_OUT_OF_RESOURCES The request could not be completed due to a lack of resources.
@retval EFI_UNSUPPORTED The HostAddress cannot be mapped as a common buffer.
@@ -130,7 +130,7 @@ EFI_STATUS @param This A pointer to the EFI_DEVICE_IO_INTERFACE instance.
@param Mapping A resulting value to pass to Unmap().
-
+
@retval EFI_SUCCESS The range was mapped for the returned NumberOfBytes.
@retval EFI_DEVICE_ERROR The system hardware could not map the requested address.
@@ -151,7 +151,7 @@ EFI_STATUS EfiRuntimeServicesData.
@param Pages The number of pages to allocate.
@param HostAddress A pointer to store the base address of the allocated range.
-
+
@retval EFI_SUCCESS The requested memory pages were allocated.
@retval EFI_OUT_OF_RESOURCES The memory pages could not be allocated.
@retval EFI_INVALID_PARAMETER The requested memory type is invalid.
@@ -173,7 +173,7 @@ EFI_STATUS Flushes any posted write data to the device.
@param This A pointer to the EFI_DEVICE_IO_INTERFACE instance.
-
+
@retval EFI_SUCCESS The buffers were flushed.
@retval EFI_DEVICE_ERROR The buffers were not flushed due to a hardware error.
@@ -190,7 +190,7 @@ EFI_STATUS @param This A pointer to the EFI_DEVICE_IO_INTERFACE instance.
@param Pages The number of pages to free.
@param HostAddress The base address of the range to free.
-
+
@retval EFI_SUCCESS The requested memory pages were allocated.
@retval EFI_NOT_FOUND The requested memory pages were not allocated with
AllocateBuffer().
|