diff options
| author | lgao4 <lgao4@6f19259b-4bc3-4df7-8a09-765794883524> | 2008-11-19 14:24:27 +0000 |
|---|---|---|
| committer | lgao4 <lgao4@6f19259b-4bc3-4df7-8a09-765794883524> | 2008-11-19 14:24:27 +0000 |
| commit | f1004231ee519fc24c3ad5e90289f5d9445ac9d2 (patch) | |
| tree | a3fa13a48762d20db96a4bc743fdaaeff211d777 /MdePkg/Include/Protocol | |
| parent | 74fec7085b01caac858ef511056e72b2b9ad5795 (diff) | |
| download | edk2-platforms-f1004231ee519fc24c3ad5e90289f5d9445ac9d2.tar.xz | |
Update comments for Protocol definitions to match UEFI spec. And add the missing comments for the data structure.
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@6636 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'MdePkg/Include/Protocol')
| -rw-r--r-- | MdePkg/Include/Protocol/AcpiTable.h | 2 | ||||
| -rw-r--r-- | MdePkg/Include/Protocol/Arp.h | 66 | ||||
| -rw-r--r-- | MdePkg/Include/Protocol/AuthenticationInfo.h | 79 | ||||
| -rw-r--r-- | MdePkg/Include/Protocol/Bis.h | 69 | ||||
| -rw-r--r-- | MdePkg/Include/Protocol/BlockIo.h | 26 | ||||
| -rw-r--r-- | MdePkg/Include/Protocol/BusSpecificDriverOverride.h | 11 | ||||
| -rw-r--r-- | MdePkg/Include/Protocol/Cpu.h | 3 | ||||
| -rw-r--r-- | MdePkg/Include/Protocol/Decompress.h | 4 | ||||
| -rw-r--r-- | MdePkg/Include/Protocol/DeviceIo.h | 26 | ||||
| -rw-r--r-- | MdePkg/Include/Protocol/DevicePath.h | 510 | ||||
| -rw-r--r-- | MdePkg/Include/Protocol/DevicePathUtilities.h | 22 | ||||
| -rw-r--r-- | MdePkg/Include/Protocol/PlatformToDriverConfiguration.h | 7 | ||||
| -rw-r--r-- | MdePkg/Include/Protocol/PxeBaseCodeCallBack.h | 6 | ||||
| -rw-r--r-- | MdePkg/Include/Protocol/Reset.h | 2 | ||||
| -rw-r--r-- | MdePkg/Include/Protocol/Runtime.h | 61 | ||||
| -rw-r--r-- | MdePkg/Include/Protocol/Security.h | 6 | ||||
| -rw-r--r-- | MdePkg/Include/Protocol/ServiceBinding.h | 36 |
17 files changed, 816 insertions, 120 deletions
diff --git a/MdePkg/Include/Protocol/AcpiTable.h b/MdePkg/Include/Protocol/AcpiTable.h index 01583365c0..ebeb59f517 100644 --- a/MdePkg/Include/Protocol/AcpiTable.h +++ b/MdePkg/Include/Protocol/AcpiTable.h @@ -31,7 +31,7 @@ typedef struct _EFI_ACPI_TABLE_PROTOCOL EFI_ACPI_TABLE_PROTOCOL; copy into the RSDT/XSDT. InstallAcpiTable() must insert the new
table at the end of the RSDT/XSDT. To prevent namespace
collision, ACPI tables may be created using UEFI ACPI table
- format. See Appendix O. On successful output, TableKey is
+ format. On successful output, TableKey is
initialized with a unique key. Its value may be used in a
subsequent call to UninstallAcpiTable to remove an ACPI table.
If an EFI application is running at the time of this call, the
diff --git a/MdePkg/Include/Protocol/Arp.h b/MdePkg/Include/Protocol/Arp.h index edf204ebe3..9232bda07e 100644 --- a/MdePkg/Include/Protocol/Arp.h +++ b/MdePkg/Include/Protocol/Arp.h @@ -36,21 +36,81 @@ typedef struct _EFI_ARP_PROTOCOL EFI_ARP_PROTOCOL;
typedef struct {
+ ///
+ /// Length in bytes of this entry.
+ ///
UINT32 Size;
+
+ ///
+ /// Set to TRUE if this entry is a "deny" entry.
+ /// Set to FALSE if this entry is a "normal" entry.
+ ///
BOOLEAN DenyFlag;
+
+ ///
+ /// Set to TRUE if this entry will not time out.
+ /// Set to FALSE if this entry will time out.
+ ///
BOOLEAN StaticFlag;
+
+ ///
+ /// 16-bit ARP hardware identifier number.
+ ///
UINT16 HwAddressType;
+
+ ///
+ /// 16-bit protocol type number.
+ ///
UINT16 SwAddressType;
+
+ ///
+ /// Length of the hardware address.
+ ///
UINT8 HwAddressLength;
+
+ ///
+ /// Length of the protocol address.
+ ///
UINT8 SwAddressLength;
} EFI_ARP_FIND_DATA;
typedef struct {
+ ///
+ /// 16-bit protocol type number in host byte order.
+ ///
UINT16 SwAddressType; ///< Host byte order
+
+ ///
+ /// Length in bytes of the station's protocol address to register.
+ ///
UINT8 SwAddressLength;
+
+ ///
+ /// Pointer to the first byte of the protocol address to register. For
+ /// example, if SwAddressType is 0x0800 (IP), then
+ /// StationAddress points to the first byte of this station＊s IP
+ /// address stored in network byte order.
+ ///
VOID *StationAddress; ///< Network byte order
+
+ ///
+ /// The timeout value in 100-ns units that is associated with each
+ /// new dynamic ARP cache entry. If it is set to zero, the value is
+ /// implementation-specific.
+ ///
UINT32 EntryTimeOut;
+
+ ///
+ /// The number of retries before a MAC address is resolved. If it is
+ /// set to zero, the value is implementation-specific.
+ ///
UINT32 RetryCount;
+
+ ///
+ /// The timeout value in 100-ns units that is used to wait for the ARP
+ /// reply packet or the timeout value between two retries. Set to zero
+ /// to use implementation-specific value.
+ ///
UINT32 RetryTimeOut;
} EFI_ARP_CONFIG_DATA;
@@ -63,6 +123,9 @@ typedef struct { @retval EFI_SUCCESS The new station address was successfully registered.
@retval EFI_INVALID_PARAMETER One or more of the following conditions is TRUE:
+ This is NULL.
+ SwAddressLength is zero when ConfigData is not NULL.
+ StationAddress is NULL when ConfigData is not NULL.
@retval EFI_ACCESS_DENIED The SwAddressType, SwAddressLength, or
StationAddress is different from the one that is already
registered.
@@ -236,6 +299,9 @@ EFI_STATUS @retval EFI_SUCCESS The pending request session(s) is/are aborted and corresponding
event(s) is/are signaled.
@retval EFI_INVALID_PARAMETER One or more of the following conditions is TRUE:
+ This is NULL.
+ TargetSwAddress is not NULL and ResolvedEvent is NULL.
+ TargetSwAddress is NULL and ResolvedEvent is not NULL
@retval EFI_NOT_STARTED The ARP driver instance has not been configured.
@retval EFI_NOT_FOUND The request is not issued by
EFI_ARP_PROTOCOL.Request().
diff --git a/MdePkg/Include/Protocol/AuthenticationInfo.h b/MdePkg/Include/Protocol/AuthenticationInfo.h index d2cd444685..8f62bc99cf 100644 --- a/MdePkg/Include/Protocol/AuthenticationInfo.h +++ b/MdePkg/Include/Protocol/AuthenticationInfo.h @@ -35,33 +35,112 @@ typedef struct _EFI_AUTHENTICATION_INFO_PROTOCOL EFI_AUTHENTICATION_INFO_PROTOCOL;
typedef struct {
+ ///
+ /// Authentication Type GUID.
+ ///
EFI_GUID Guid;
+
+ ///
+ /// Length of this structure in bytes.
+ ///
UINT16 Length;
} AUTH_NODE_HEADER;
typedef struct {
AUTH_NODE_HEADER Header;
+
+ ///
+ /// RADIUS Server IPv4 or IPv6 Address
+ ///
EFI_IPv6_ADDRESS RadiusIpAddr; ///< IPv4 or IPv6 address
+
+ ///
+ /// Reserved for future use
+ ///
UINT16 Reserved;
+
+ ///
+ /// Network Access Server IPv4 or IPv6 Address (OPTIONAL)
+ ///
EFI_IPv6_ADDRESS NasIpAddr; ///< IPv4 or IPv6 address
+
+ ///
+ /// Network Access Server Secret Length in bytes (OPTIONAL)
+ ///
UINT16 NasSecretLength;
+
+ ///
+ /// Network Access Server secret (OPTIONAL)
+ ///
UINT8 *NasSecret;
+
+ ///
+ /// CHAP Initiator Secret length in bytes
+ ///
UINT16 ChapSecretLength;
+
+ ///
+ /// CHAP Initiator Secret
+ ///
UINT8 *ChapSecret;
+
+ ///
+ /// CHAP Initiator Name Length in bytes
+ ///
UINT16 ChapNameLength;
+
+ ///
+ /// CHAP Initiator Name
+ ///
UINT8 *ChapName;
} CHAP_RADIUS_AUTH_NODE;
typedef struct {
AUTH_NODE_HEADER Header;
+
+ ///
+ /// Reserved for future use
+ ///
UINT16 Reserved;
+
+ ///
+ /// User Secret Length in bytes
+ ///
UINT16 UserSecretLength;
+
+ ///
+ /// User Secret
+ ///
UINT8 *UserSecret;
+
+ ///
+ /// User Name Length in bytes
+ ///
UINT16 UserNameLength;
+
+ ///
+ /// User Name
+ ///
UINT8 *UserName;
+
+ ///
+ /// CHAP Initiator Secret length in bytes
+ ///
UINT16 ChapSecretLength;
+
+ ///
+ /// CHAP Initiator Secret
+ ///
UINT8 *ChapSecret;
+
+ ///
+ /// CHAP Initiator Name Length in bytes
+ ///
UINT16 ChapNameLength;
+
+ ///
+ /// CHAP Initiator Name
+ ///
UINT8 *ChapName;
} CHAP_LOCAL_AUTH_NODE;
diff --git a/MdePkg/Include/Protocol/Bis.h b/MdePkg/Include/Protocol/Bis.h index a7c16584f6..194a0b526c 100644 --- a/MdePkg/Include/Protocol/Bis.h +++ b/MdePkg/Include/Protocol/Bis.h @@ -57,8 +57,8 @@ typedef struct { /// EFI_BIS_VERSION type.
///
typedef struct {
- UINT32 Major; ///< BIS Interface version number.
- UINT32 Minor; ///< Build number.
+ UINT32 Major; ///< the major BIS version number.
+ UINT32 Minor; ///< a minor BIS version number.
} EFI_BIS_VERSION;
//
@@ -132,19 +132,33 @@ typedef struct { interface version desired.
On output, both the major and minor
version numbers are updated with the major and minor version
- numbers of the interface
+ numbers of the interface. This update is done whether or not the
+ initialization was successful.
@param TargetAddress Indicates a network or device address of the BIS platform to connect to.
@retval EFI_SUCCESS The function completed successfully.
@retval EFI_INCOMPATIBLE_VERSION The InterfaceVersion.Major requested by the
caller was not compatible with the interface version of the
+ implementation. The InterfaceVersion.Major has
+ been updated with the current interface version.
@retval EFI_UNSUPPORTED This is a local-platform implementation and
TargetAddress.Data was not NULL, or
TargetAddress.Data was any other value that was not
supported by the implementation.
@retval EFI_OUT_OF_RESOURCES The function failed due to lack of memory or other resources.
- @retval EFI_DEVICE_ERROR The function encountered an unexpected internal failure.
- @retval EFI_INVALID_PARAMETER One or more parameters are invalid.
+ @retval EFI_DEVICE_ERROR The function encountered an unexpected internal failure while
+ initializing a cryptographic software module, or
+ No cryptographic software module with compatible version was
+ found, or A resource limitation was encountered while using a
+ cryptographic software module.
+ @retval EFI_INVALID_PARAMETER The This parameter supplied by the caller is NULL or does not
+ reference a valid EFI_BIS_PROTOCOL object, or
+ The AppHandle parameter supplied by the caller is NULL or
+ an invalid memory reference, or
+ The InterfaceVersion parameter supplied by the caller
+ is NULL or an invalid memory reference, or
+ The TargetAddress parameter supplied by the caller is
+ NULL or an invalid memory reference.
**/
typedef
@@ -161,7 +175,8 @@ EFI_STATUS @param AppHandle An opaque handle that identifies the caller's instance of initialization
of the BIS service.
- @param ToFree An EFI_BIS_DATA* and associated memory block to be freed.
+ @param ToFree An EFI_BIS_DATA* and associated memory block to be freed.
+ This EFI_BIS_DATA* must have been allocated by one of the other BIS functions.
@retval EFI_SUCCESS The function completed successfully.
@retval EFI_NO_MAPPING The AppHandle parameter is not or is no longer a valid
@@ -189,9 +204,10 @@ EFI_STATUS @retval EFI_NO_MAPPING The AppHandle parameter is not or is no longer a valid
application instance handle associated with the EFI_BIS protocol.
@retval EFI_OUT_OF_RESOURCES The function failed due to lack of memory or other resources.
- @retval EFI_DEVICE_ERROR The function encountered an unexpected internal failure.
-
-**/
+ @retval EFI_DEVICE_ERROR The function encountered an unexpected internal failure while
+ returning resources associated with a cryptographic software module, or
+ while trying to shut down a cryptographic software module.
+**/
typedef
EFI_STATUS
(EFIAPI *EFI_BIS_SHUTDOWN)(
@@ -205,7 +221,8 @@ EFI_STATUS @param AppHandle An opaque handle that identifies the caller's instance of initialization
of the BIS service.
@param Certificate The function writes an allocated EFI_BIS_DATA* containing the Boot
- Object Authorization Certificate object.
+ Object Authorization Certificate object. The caller must
+ eventually free the memory allocated by this function using the function Free().
@retval EFI_SUCCESS The function completed successfully.
@retval EFI_NO_MAPPING The AppHandle parameter is not or is no longer a valid
@@ -285,7 +302,8 @@ EFI_STATUS @param AppHandle An opaque handle that identifies the caller's instance of initialization
of the BIS service.
@param UpdateToken The function writes an allocated EFI_BIS_DATA* containing the new
- unique update token value.
+ unique update token value. The caller must
+ eventually free the memory allocated by this function using the function Free().
@retval EFI_SUCCESS The function completed successfully.
@retval EFI_NO_MAPPING The AppHandle parameter is not or is no longer a valid
@@ -311,7 +329,8 @@ EFI_STATUS @param RequestCredential This is a Signed Manifest with embedded attributes that carry the details
of the requested update.
@param NewUpdateToken The function writes an allocated EFI_BIS_DATA* containing the new
- unique update token value.
+ unique update token value. The caller must
+ eventually free the memory allocated by this function using the function Free().
@retval EFI_SUCCESS The function completed successfully.
@retval EFI_NO_MAPPING The AppHandle parameter is not or is no longer a valid
@@ -320,7 +339,10 @@ EFI_STATUS @retval EFI_INVALID_PARAMETER One or more parameters are invalid.
@retval EFI_SECURITY_VIOLATION The signed manifest supplied as the RequestCredential parameter
was invalid (could not be parsed) or Platform-specific authorization failed, etc.
- @retval EFI_DEVICE_ERROR An unexpected internal error occurred.
+ @retval EFI_DEVICE_ERROR An unexpected internal error occurred while analyzing the new
+ certificate's key algorithm, or while attempting to retrieve
+ the public key algorithm of the manifest's signer's certificate,
+ or An unexpected internal error occurred in a cryptographic software module.
**/
typedef
@@ -357,8 +379,9 @@ EFI_STATUS or the AuthorityCertificate supplied by the caller was
invalid (could not be parsed),
or Platform-specific authorization failed, etc.
- @retval EFI_DEVICE_ERROR An unexpected internal error occurred.
-
+ @retval EFI_DEVICE_ERROR An unexpected internal error occurred while attempting to retrieve
+ the public key algorithm of the manifest＊s signer＊s certificate,
+ or An unexpected internal error occurred in a cryptographic software module.
**/
typedef
EFI_STATUS
@@ -374,21 +397,25 @@ EFI_STATUS /**
Retrieves a list of digital certificate identifier, digital signature algorithm, hash algorithm, and keylength
combinations that the platform supports.
-
+
@param AppHandle An opaque handle that identifies the caller's instance of initialization
of the BIS service.
@param SignatureInfo The function writes an allocated EFI_BIS_DATA* containing the array
of EFI_BIS_SIGNATURE_INFO structures representing the supported
- digital certificate identifier, algorithm, and key length combinations.
-
+ digital certificate identifier, algorithm, and key length combinations.
+ The caller must eventually free the memory allocated by this function using the function Free().
+
@retval EFI_SUCCESS The function completed successfully.
@retval EFI_NO_MAPPING The AppHandle parameter is not or is no longer a valid
application instance handle associated with the EFI_BIS protocol.
@retval EFI_OUT_OF_RESOURCES The function failed due to lack of memory or other resources.
@retval EFI_INVALID_PARAMETER The SignatureInfo parameter supplied by the caller is NULL
- or an invalid memory reference.
- @retval EFI_DEVICE_ERROR An unexpected internal error occurred.
-
+ or an invalid memory reference.
+ @retval EFI_DEVICE_ERROR An unexpected internal error occurred in a
+ cryptographic software module, or
+ The function encountered an unexpected internal consistency check
+ failure (possible corruption of stored Boot Object Authorization Certificate).
+
**/
typedef
EFI_STATUS
diff --git a/MdePkg/Include/Protocol/BlockIo.h b/MdePkg/Include/Protocol/BlockIo.h index adbeedc289..ba3cae2082 100644 --- a/MdePkg/Include/Protocol/BlockIo.h +++ b/MdePkg/Include/Protocol/BlockIo.h @@ -38,7 +38,7 @@ typedef EFI_BLOCK_IO_PROTOCOL EFI_BLOCK_IO; /**
Reset the Block Device.
- @param This Protocol instance pointer.
+ @param This Indicates a pointer to the calling context.
@param ExtendedVerification Driver may perform diagnostics on reset.
@retval EFI_SUCCESS The device was reset.
@@ -56,19 +56,20 @@ EFI_STATUS /**
Read BufferSize bytes from Lba into Buffer.
- @param This Protocol instance pointer.
+ @param This Indicates a pointer to the calling context.
@param MediaId Id of the media, changes every time the media is replaced.
@param Lba The starting Logical Block Address to read from
@param BufferSize Size of Buffer, must be a multiple of device block size.
- @param Buffer Buffer containing read data
+ @param Buffer A pointer to the destination buffer for the data. The caller is
+ responsible for either having implicit or explicit ownership of the buffer.
@retval EFI_SUCCESS The data was read correctly from the device.
@retval EFI_DEVICE_ERROR The device reported an error while performing the read.
@retval EFI_NO_MEDIA There is no media in the device.
@retval EFI_MEDIA_CHANGED The MediaId does not matched the current device.
@retval EFI_BAD_BUFFER_SIZE The Buffer was not a multiple of the block size of the device.
- @retval EFI_INVALID_PARAMETER The read request contains device addresses that are not
- valid for the device.
+ @retval EFI_INVALID_PARAMETER The read request contains LBAs that are not valid,
+ or the buffer is not on proper alignment.
**/
typedef
@@ -84,11 +85,12 @@ EFI_STATUS /**
Write BufferSize bytes from Lba into Buffer.
- @param This Protocol instance pointer.
- @param MediaId Id of the media, changes every time the media is replaced.
- @param Lba The starting Logical Block Address to read from
+ @param This Indicates a pointer to the calling context.
+ @param MediaId The media ID that the write request is for.
+ @param Lba The starting logical block address to be written. The caller is
+ responsible for writing to only legitimate locations.
@param BufferSize Size of Buffer, must be a multiple of device block size.
- @param Buffer Buffer containing read data
+ @param Buffer A pointer to the source buffer for the data.
@retval EFI_SUCCESS The data was written correctly to the device.
@retval EFI_WRITE_PROTECTED The device can not be written to.
@@ -96,8 +98,8 @@ EFI_STATUS @retval EFI_NO_MEDIA There is no media in the device.
@retval EFI_MEDIA_CHNAGED The MediaId does not matched the current device.
@retval EFI_BAD_BUFFER_SIZE The Buffer was not a multiple of the block size of the device.
- @retval EFI_INVALID_PARAMETER The write request contains a LBA that is not
- valid for the device.
+ @retval EFI_INVALID_PARAMETER The write request contains LBAs that are not valid,
+ or the buffer is not on proper alignment.
**/
typedef
@@ -113,7 +115,7 @@ EFI_STATUS /**
Flush the Block Device.
- @param This Protocol instance pointer.
+ @param This Indicates a pointer to the calling context.
@retval EFI_SUCCESS All outstanding data was written to the device
@retval EFI_DEVICE_ERROR The device reported an error while writting back the data
diff --git a/MdePkg/Include/Protocol/BusSpecificDriverOverride.h b/MdePkg/Include/Protocol/BusSpecificDriverOverride.h index 83a87c6711..4b87710dd1 100644 --- a/MdePkg/Include/Protocol/BusSpecificDriverOverride.h +++ b/MdePkg/Include/Protocol/BusSpecificDriverOverride.h @@ -42,14 +42,15 @@ typedef struct _EFI_BUS_SPECIFIC_DRIVER_OVERRIDE_PROTOCOL EFI_BUS_SPECIFIC_DRIV @param DriverImageHandle On input, a pointer to the previous driver image handle returned
by GetDriver(). On output, a pointer to the next driver
image handle. Passing in a NULL, will return the first driver
- image handle.
-
+ image handle.
+
@retval EFI_SUCCESS A bus specific override driver is returned in DriverImageHandle.
@retval EFI_NOT_FOUND The end of the list of override drivers was reached.
+ A bus specific override driver is not returned in DriverImageHandle.
@retval EFI_INVALID_PARAMETER DriverImageHandle is not a handle that was returned on a
- previous call to GetDriver().
-
-**/
+ previous call to GetDriver().
+
+**/
typedef
EFI_STATUS
(EFIAPI *EFI_BUS_SPECIFIC_DRIVER_OVERRIDE_GET_DRIVER)(
diff --git a/MdePkg/Include/Protocol/Cpu.h b/MdePkg/Include/Protocol/Cpu.h index 53ad24d6d5..1f3a3c1523 100644 --- a/MdePkg/Include/Protocol/Cpu.h +++ b/MdePkg/Include/Protocol/Cpu.h @@ -206,7 +206,8 @@ EFI_STATUS must be between 0 and NumberOfTimers-1.
@param TimerValue Pointer to the returned timer value.
@param TimerPeriod A pointer to the amount of time that passes in femtoseconds for each increment
- of TimerValue.
+ of TimerValue. If TimerValue does not increment at a predictable rate, then 0 is
+ returned. This parameter is optional and may be NULL.
@retval EFI_SUCCESS The processor timer value specified by TimerIndex was returned in TimerValue.
@retval EFI_DEVICE_ERROR An error occurred attempting to read one of the processor's timers.
diff --git a/MdePkg/Include/Protocol/Decompress.h b/MdePkg/Include/Protocol/Decompress.h index b5a0668982..ed1e4220e1 100644 --- a/MdePkg/Include/Protocol/Decompress.h +++ b/MdePkg/Include/Protocol/Decompress.h @@ -38,7 +38,7 @@ typedef struct _EFI_DECOMPRESS_PROTOCOL EFI_DECOMPRESS_PROTOCOL; output it as DestinationSize. And ScratchSize is specific to the decompression
implementation.
- @param This The protocol instance pointer
+ @param This A pointer to the EFI_DECOMPRESS_PROTOCOL instance.
@param Source The source buffer containing the compressed data.
@param SourceSize The size, in bytes, of source buffer.
@param DestinationSize A pointer to the size, in bytes, of the uncompressed buffer
@@ -79,7 +79,7 @@ EFI_STATUS If the compressed source data specified by Source and SourceSize is not in
a valid compressed data format, then EFI_INVALID_PARAMETER is returned.
- @param This The protocol instance pointer
+ @param This A pointer to the EFI_DECOMPRESS_PROTOCOL instance.
@param Source The source buffer containing the compressed data.
@param SourceSize The size of source data.
@param Destination On output, the destination buffer that contains
diff --git a/MdePkg/Include/Protocol/DeviceIo.h b/MdePkg/Include/Protocol/DeviceIo.h index f2dd067bb7..d10cc6fa6f 100644 --- a/MdePkg/Include/Protocol/DeviceIo.h +++ b/MdePkg/Include/Protocol/DeviceIo.h @@ -36,14 +36,10 @@ typedef struct _EFI_DEVICE_IO_PROTOCOL EFI_DEVICE_IO_PROTOCOL; typedef EFI_DEVICE_IO_PROTOCOL EFI_DEVICE_IO_INTERFACE;
typedef enum {
- IO_UINT8,
- IO_UINT16,
- IO_UINT32,
- IO_UINT64,
- MMIO_COPY_UINT8,
- MMIO_COPY_UINT16,
- MMIO_COPY_UINT32,
- MMIO_COPY_UINT64
+ IO_UINT8 = 0,
+ IO_UINT16 = 1,
+ IO_UINT32 = 2,
+ IO_UINT64 = 3
} EFI_IO_WIDTH;
/**
@@ -99,8 +95,22 @@ EFI_STATUS );
typedef enum {
+ ///
+ /// A read operation from system memory by a bus master.
+ ///
EfiBusMasterRead,
+
+ ///
+ /// A write operation to system memory by a bus master.
+ ///
EfiBusMasterWrite,
+
+ ///
+ /// Provides both read and write access to system memory
+ /// by both the processor and a bus master. The buffer is
+ /// coherent from both the processor＊s and the bus master＊s
+ /// point of view.
+ ///
EfiBusMasterCommonBuffer
} EFI_IO_OPERATION_TYPE;
diff --git a/MdePkg/Include/Protocol/DevicePath.h b/MdePkg/Include/Protocol/DevicePath.h index 2304205754..64e74d6b00 100644 --- a/MdePkg/Include/Protocol/DevicePath.h +++ b/MdePkg/Include/Protocol/DevicePath.h @@ -76,36 +76,80 @@ typedef EFI_DEVICE_PATH_PROTOCOL EFI_DEVICE_PATH; ///
#define HARDWARE_DEVICE_PATH 0x01
+///
+/// PCI Device Path
+///
#define HW_PCI_DP 0x01
typedef struct {
EFI_DEVICE_PATH_PROTOCOL Header;
+ ///
+ /// PCI Function Number
+ ///
UINT8 Function;
+ ///
+ /// PCI Device Number
+ ///
UINT8 Device;
} PCI_DEVICE_PATH;
+///
+/// PCCARD Device Path
+///
#define HW_PCCARD_DP 0x02
typedef struct {
EFI_DEVICE_PATH_PROTOCOL Header;
+ ///
+ /// Function Number (0 = First Function)
+ ///
UINT8 FunctionNumber;
} PCCARD_DEVICE_PATH;
+///
+/// Memory Mapped Device Path
+///
#define HW_MEMMAP_DP 0x03
typedef struct {
EFI_DEVICE_PATH_PROTOCOL Header;
+ ///
+ /// EFI_MEMORY_TYPE
+ ///
UINT32 MemoryType;
+ ///
+ /// Starting Memory Address.
+ ///
EFI_PHYSICAL_ADDRESS StartingAddress;
+ ///
+ /// Ending Memory Address
+ ///
EFI_PHYSICAL_ADDRESS EndingAddress;
} MEMMAP_DEVICE_PATH;
+///
+/// The Vendor Device Path allows the creation of vendor-defined Device Paths. A vendor must
+/// allocate a Vendor GUID for a Device Path. The Vendor GUID can then be used to define the
+/// contents on the n bytes that follow in the Vendor Device Path node.
+///
#define HW_VENDOR_DP 0x04
typedef struct {
EFI_DEVICE_PATH_PROTOCOL Header;
+ ///
+ /// Vendor-assigned GUID that defines the data that follows.
+ ///
EFI_GUID Guid;
+ ///
+ /// Vendor-defined variable size data.
+ ///
} VENDOR_DEVICE_PATH;
+///
+/// Controller Device Path
+///
#define HW_CONTROLLER_DP 0x05
typedef struct {
EFI_DEVICE_PATH_PROTOCOL Header;
+ ///
+ /// Controller number.
+ ///
UINT32 ControllerNumber;
} CONTROLLER_DEVICE_PATH;
@@ -114,18 +158,52 @@ typedef struct { ///
#define ACPI_DEVICE_PATH 0x02
+///
+/// ACPI Device Path
+///
#define ACPI_DP 0x01
typedef struct {
EFI_DEVICE_PATH_PROTOCOL Header;
+ ///
+ /// Device's PnP hardware ID stored in a numeric 32-bit
+ /// compressed EISA-type ID. This value must match the
+ /// corresponding _HID in the ACPI name space.
+ ///
UINT32 HID;
+ ///
+ /// Unique ID that is required by ACPI if two devices have the
+ /// same _HID. This value must also match the corresponding
+ /// _UID/_HID pair in the ACPI name space. Only the 32-bit
+ /// numeric value type of _UID is supported; thus strings must
+ /// not be used for the _UID in the ACPI name space.
+ ///
UINT32 UID;
} ACPI_HID_DEVICE_PATH;
+///
+/// Expanded ACPI Device Path.
+///
#define ACPI_EXTENDED_DP 0x02
typedef struct {
EFI_DEVICE_PATH_PROTOCOL Header;
+ ///
+ /// Device's PnP hardware ID stored in a numeric 32-bit
+ /// compressed EISA-type ID. This value must match the
+ /// corresponding _HID in the ACPI name space.
+ ///
UINT32 HID;
+ ///
+ /// Unique ID that is required by ACPI if two devices have the
+ /// same _HID. This value must also match the corresponding
+ /// _UID/_HID pair in the ACPI name space.
+ ///
UINT32 UID;
+ ///
+ /// Device＊s compatible PnP hardware ID stored in a numeric
+ /// 32-bit compressed EISA-type ID. This value must match at
+ /// least one of the compatible device IDs returned by the
+ /// corresponding _CID in the ACPI name space.
+ ///
UINT32 CID;
///
/// Optional variable length _HIDSTR
@@ -150,10 +228,23 @@ typedef struct { #define EISA_ID_TO_NUM(_Id) ((_Id) >> 16)
+///
+/// The _ADR device path is used to contain video output device attributes to support the Graphics
+/// Output Protocol. The device path can contain multiple _ADR entries if multiple video output
+/// devices are displaying the same output.
+///
#define ACPI_ADR_DP 0x03
typedef struct {
EFI_DEVICE_PATH_PROTOCOL Header;
+ ///
+ /// _ADR value. For video output devices the value of this
+ /// field comes from Table B-2 ACPI 3.0 specification. At
+ /// least one _ADR value is required.
+ ///
UINT32 ADR;
+ ///
+ /// This device path may optionally contain more than one _ADR entry.
+ ///
} ACPI_ADR_DEVICE_PATH;
#define ACPI_ADR_DISPLAY_TYPE_OTHER 0
@@ -174,122 +265,322 @@ typedef struct { ///
/// Messaging Device Paths
+/// This Device Path is used to describe the connection of devices outside the resource domain of the
+/// system. This Device Path can describe physical messaging information like SCSI ID, or abstract
+/// information like networking protocol IP addresses.
///
#define MESSAGING_DEVICE_PATH 0x03
+///
+/// ATAPI Device Path
+///
#define MSG_ATAPI_DP 0x01
typedef struct {
EFI_DEVICE_PATH_PROTOCOL Header;
+ ///
+ /// Set to zero for primary or one for secondary
+ ///
UINT8 PrimarySecondary;
+ ///
+ /// Set to zero for master or one for slave mode
+ ///
UINT8 SlaveMaster;
+ ///
+ /// Logical Unit Number
+ ///
UINT16 Lun;
} ATAPI_DEVICE_PATH;
+///
+/// SCSI Device Path
+///
#define MSG_SCSI_DP 0x02
typedef struct {
EFI_DEVICE_PATH_PROTOCOL Header;
+ ///
+ /// Target ID on the SCSI bus (PUN)
+ ///
UINT16 Pun;
+ ///
+ /// Logical Unit Number (LUN)
+ ///
UINT16 Lun;
} SCSI_DEVICE_PATH;
+///
+/// Fibre Channel
+///
#define MSG_FIBRECHANNEL_DP 0x03
typedef struct {
EFI_DEVICE_PATH_PROTOCOL Header;
+ ///
+ /// Reserved for the future.
+ ///
UINT32 Reserved;
+ ///
+ /// Fibre Channel World Wide Number.
+ ///
UINT64 WWN;
+ ///
+ /// Fibre Channel Logical Unit Number.
+ ///
UINT64 Lun;
} FIBRECHANNEL_DEVICE_PATH;
+///
+/// 1394 Device Path
+///
#define MSG_1394_DP 0x04
typedef struct {
EFI_DEVICE_PATH_PROTOCOL Header;
+ ///
+ /// Reserved for the future.
+ ///
UINT32 Reserved;
+ ///
+ /// 1394 Global Unique ID (GUID).
+ ///
UINT64 Guid;
} F1394_DEVICE_PATH;
+///
+/// USB Device Path
+///
#define MSG_USB_DP 0x05
typedef struct {
- EFI_DEVICE_PATH_PROTOCOL Header;
- UINT8 ParentPortNumber;
- UINT8 InterfaceNumber;
+ EFI_DEVICE_PATH_PROTOCOL Header;
+ ///
+ /// USB Parent Port Number
+ ///
+ UINT8 ParentPortNumber;
+ ///
+ /// USB Interface Number
+ ///
+ UINT8 InterfaceNumber;
} USB_DEVICE_PATH;
+///
+/// USB Class Device Path
+///
#define MSG_USB_CLASS_DP 0x0f
typedef struct {
- EFI_DEVICE_PATH_PROTOCOL Header;
- UINT16 VendorId;
- UINT16 ProductId;
- UINT8 DeviceClass;
- UINT8 DeviceSubClass;
- UINT8 DeviceProtocol;
+ EFI_DEVICE_PATH_PROTOCOL Header;
+ ///
+ /// Vendor ID assigned by USB-IF. A value of 0xFFFF will
+ /// match any Vendor ID.
+ ///
+ UINT16 VendorId;
+ ///
+ /// Product ID assigned by USB-IF. A value of 0xFFFF will
+ /// match any Product ID.
+ ///
+ UINT16 ProductId;
+ ///
+ /// The class code assigned by the USB-IF. A value of 0xFF
+ /// will match any class code.
+ ///
+ UINT8 DeviceClass;
+ ///
+ /// The subclass code assigned by the USB-IF. A value of
+ /// 0xFF will match any subclass code.
+ ///
+ UINT8 DeviceSubClass;
+ ///
+ /// The protocol code assigned by the USB-IF. A value of
+ /// 0xFF will match any protocol code.
+ ///
+ UINT8 DeviceProtocol;
} USB_CLASS_DEVICE_PATH;
+///
+/// This device path describes a USB device using its serial number.
+/// USB WWID Device Path
+///
#define MSG_USB_WWID_DP 0x10
typedef struct {
- EFI_DEVICE_PATH_PROTOCOL Header;
- UINT16 InterfaceNumber;
- UINT16 VendorId;
- UINT16 ProductId;
- // CHAR16 SerialNumber[...];
+ EFI_DEVICE_PATH_PROTOCOL Header;
+ ///
+ /// USB interface number
+ ///
+ UINT16 InterfaceNumber;
+ ///
+ /// USB vendor id of the device
+ ///
+ UINT16 VendorId;
+ ///
+ /// USB product id of the device
+ ///
+ UINT16 ProductId;
+ ///
+ /// Last 64-or-fewer UTF-16 characters of the USB
+ /// serial number. The length of the string is
+ /// determined by the Length field less the offset of the
+ /// Serial Number field (10)
+ ///
+ /// CHAR16 SerialNumber[...];
} USB_WWID_DEVICE_PATH;
-
+///
+/// Device Logical Unit
+///
#define MSG_DEVICE_LOGICAL_UNIT_DP 0x11
typedef struct {
- EFI_DEVICE_PATH_PROTOCOL Header;
- UINT8 Lun;
+ EFI_DEVICE_PATH_PROTOCOL Header;
+ ///
+ /// Logical Unit Number for the interface
+ ///
+ UINT8 Lun;
} DEVICE_LOGICAL_UNIT_DEVICE_PATH;
+///
+/// SATA Device Path
+///
#define MSG_SATA_DP 0x12
typedef struct {
EFI_DEVICE_PATH_PROTOCOL Header;
+ ///
+ /// The HBA port number that facilitates the connection to the
+ /// device or a port multiplier. The value 0xFFFF is reserved.
+ ///
UINT16 HBAPortNumber;
+ ///
+ /// The Port multiplier port number that facilitates the connection
+ /// to the device. Bit 15 should be set if the device is directly
+ /// connected to the HBA.
+ ///
UINT16 PortMultiplierPortNumber;
+ ///
+ /// Logical Unit Number.
+ ///
UINT16 Lun;
} SATA_DEVICE_PATH;
+///
+/// I2O Device Path
+///
#define MSG_I2O_DP 0x06
typedef struct {
EFI_DEVICE_PATH_PROTOCOL Header;
+ ///
+ /// Target ID (TID) for a device
+ ///
UINT32 Tid;
} I2O_DEVICE_PATH;
+///
+/// MAC Address Device Path
+///
#define MSG_MAC_ADDR_DP 0x0b
typedef struct {
EFI_DEVICE_PATH_PROTOCOL Header;
+ ///
+ /// The MAC address for a network interface padded with 0s
+ ///
EFI_MAC_ADDRESS MacAddress;
+ ///
+ /// Network interface type(i.e. 802.3, FDDI).
+ ///
UINT8 IfType;
} MAC_ADDR_DEVICE_PATH;
+///
+/// IPv4 Device Path
+///
#define MSG_IPv4_DP 0x0c
typedef struct {
EFI_DEVICE_PATH_PROTOCOL Header;
+ ///
+ /// The local IPv4 address
+ ///
EFI_IPv4_ADDRESS LocalIpAddress;
+ ///
+ /// The remote IPv4 address
+ ///
EFI_IPv4_ADDRESS RemoteIpAddress;
+ ///
+ /// The local port number
+ ///
UINT16 LocalPort;
+ ///
+ /// The remote port number
+ ///
UINT16 RemotePort;
+ ///
+ /// The network protocol(i.e. UDP, TCP).
+ ///
UINT16 Protocol;
+ ///
+ /// 0x00 - The Source IP Address was assigned though DHCP
+ /// 0x01 - The Source IP Address is statically bound
+ ///
BOOLEAN StaticIpAddress;
} IPv4_DEVICE_PATH;
+///
+/// IPv6 Device Path
+///
#define MSG_IPv6_DP 0x0d
typedef struct {
EFI_DEVICE_PATH_PROTOCOL Header;
+ ///
+ /// The local IPv6 address
+ ///
EFI_IPv6_ADDRESS LocalIpAddress;
+ ///
+ /// The remote IPv6 address
+ ///
EFI_IPv6_ADDRESS RemoteIpAddress;
+ ///
+ /// The local port number
+ ///
UINT16 LocalPort;
+ ///
+ /// The remote port number
+ ///
UINT16 RemotePort;
+ ///
+ /// The network protocol(i.e. UDP, TCP).
+ ///
UINT16 Protocol;
+ ///
+ /// 0x00 - The Source IP Address was assigned though DHCP
+ /// 0x01 - The Source IP Address is statically bound
+ ///
BOOLEAN StaticIpAddress;
} IPv6_DEVICE_PATH;
+///
+/// InfiniBand Device Path
+///
#define MSG_INFINIBAND_DP 0x09
typedef struct {
EFI_DEVICE_PATH_PROTOCOL Header;
+ ///
+ /// Flags to help identify/manage InfiniBand device path elements:
+ /// Bit 0 每 IOC/Service (0b = IOC, 1b = Service)
+ /// Bit 1 每 Extend Boot Environment
+ /// Bit 2 每 Console Protocol
+ /// Bit 3 每 Storage Protocol
+ /// Bit 4 每 Network Protocol
+ /// All other bits are reserved.
+ ///
UINT32 ResourceFlags;
+ ///
+ /// 128-bit Global Identifier for remote fabric port
+ ///
UINT8 PortGid[16];
+ ///
+ /// 64-bit unique identifier to remote IOC or server process.
+ /// Interpretation of field specified by Resource Flags (bit 0)
+ ///
UINT64 ServiceId;
+ ///
+ /// 64-bit persistent ID of remote IOC port
+ ///
UINT64 TargetPortId;
+ ///
+ /// 64-bit persistent ID of remote device
+ ///
UINT64 DeviceId;
} INFINIBAND_DEVICE_PATH;
@@ -299,13 +590,43 @@ typedef struct { #define INFINIBAND_RESOURCE_FLAG_STORAGE_PROTOCOL 0x08
#define INFINIBAND_RESOURCE_FLAG_NETWORK_PROTOCOL 0x10
+///
+/// UART Device Path
+///
#define MSG_UART_DP 0x0e
typedef struct {
EFI_DEVICE_PATH_PROTOCOL Header;
+ ///
+ /// Reserved
+ ///
UINT32 Reserved;
+ ///
+ /// The baud rate setting for the UART style device. A value of 0
+ /// means that the device's default baud rate will be used.
+ ///
UINT64 BaudRate;
+ ///
+ /// The number of data bits for the UART style device. A value
+ /// of 0 means that the device's default number of data bits will be used.
+ ///
UINT8 DataBits;
+ ///
+ /// The parity setting for the UART style device.
+ /// Parity 0x00 - Default Parity
+ /// Parity 0x01 - No Parity
+ /// Parity 0x02 - Even Parity
+ /// Parity 0x03 - Odd Parity
+ /// Parity 0x04 - Mark Parity
+ /// Parity 0x05 - Space Parity
+ ///
UINT8 Parity;
+ ///
+ /// The number of stop bits for the UART style device.
+ /// Stop Bits 0x00 - Default Stop Bits
+ /// Stop Bits 0x01 - 1 Stop Bit
+ /// Stop Bits 0x02 - 1.5 Stop Bits
+ /// Stop Bits 0x03 - 2 Stop Bits
+ ///
UINT8 StopBits;
} UART_DEVICE_PATH;
@@ -320,34 +641,86 @@ typedef VENDOR_DEVICE_PATH VENDOR_DEFINED_DEVICE_PATH; #define DEVICE_PATH_MESSAGING_VT_100_PLUS EFI_VT_100_PLUS_GUID
#define DEVICE_PATH_MESSAGING_VT_UTF8 EFI_VT_UTF8_GUID
+///
+/// A new device path node is defined to declare flow control characteristics.
+/// UART Flow Control Messaging Device Path
+///
#define DEVICE_PATH_MESSAGING_UART_FLOW_CONTROL EFI_UART_DEVICE_PATH_GUID
-
typedef struct {
EFI_DEVICE_PATH_PROTOCOL Header;
+ ///
+ /// DEVICE_PATH_MESSAGING_UART_FLOW_CONTROL
+ ///
EFI_GUID Guid;
+ ///
+ /// Bitmap of supported flow control types.
+ /// Bit 0 set indicates hardware flow control.
+ /// Bit 1 set indicates Xon/Xoff flow control.
+ /// All other bits are reserved and are clear.
+ ///
UINT32 FlowControlMap;
} UART_FLOW_CONTROL_DEVICE_PATH;
+///
+/// Serial Attached SCSI (SAS) devices.
+///
#define DEVICE_PATH_MESSAGING_SAS EFI_SAS_DEVICE_PATH_GUID
-
typedef struct {
EFI_DEVICE_PATH_PROTOCOL Header;
+ ///
+ /// DEVICE_PATH_MESSAGING_SAS
+ ///
EFI_GUID Guid;
+ ///
+ /// Reserved for future use.
+ ///
UINT32 Reserved;
+ ///
+ /// SAS Address for Serial Attached SCSI Target.
+ ///
UINT64 SasAddress;
+ ///
+ /// SAS Logical Unit Number.
+ ///
UINT64 Lun;
+ ///
+ /// More Information about the device and its interconnect
+ ///
UINT16 DeviceTopology;
+ ///
+ /// Relative Target Port (RTP)
+ ///
UINT16 RelativeTargetPort;
} SAS_DEVICE_PATH;
+///
+/// iSCSI Device Path Node (Base Information)
+///
#define MSG_ISCSI_DP 0x13
typedef struct {
EFI_DEVICE_PATH_PROTOCOL Header;
+ ///
+ /// Network Protocol (0 = TCP, 1+ = reserved)
+ ///
UINT16 NetworkProtocol;
+ ///
+ /// iSCSI Login Options
+ ///
UINT16 LoginOption;
+ ///
+ /// iSCSI Logical Unit Number
+ ///
UINT64 Lun;
+ ///
+ /// iSCSI Target Portal group tag the initiator intends
+ /// to establish a session with.
+ ///
UINT16 TargetPortalGroupTag;
- // CHAR8 iSCSI Target Name
+ ///
+ /// iSCSI NodeTarget Name. The length of the name
+ /// is determined by subtracting the offset of this field from Length.
+ ///
+ /// CHAR8 iSCSI Target Name
} ISCSI_DEVICE_PATH;
#define ISCSI_LOGIN_OPTION_NO_HEADER_DIGEST 0x0000
@@ -364,73 +737,154 @@ typedef struct { //
#define MEDIA_DEVICE_PATH 0x04
+///
+/// The Hard Drive Media Device Path is used to represent a partition on a hard drive.
+/// Hard Drive Media Device Path
+///
#define MEDIA_HARDDRIVE_DP 0x01
typedef struct {
EFI_DEVICE_PATH_PROTOCOL Header;
+ ///
+ /// Describes the entry in a partition table, starting with entry 1.
+ /// Partition number zero represents the entire device. Valid
+ /// partition numbers for a MBR partition are [1, 4]. Valid
+ /// partition numbers for a GPT partition are [1,
+ /// NumberOfPartitionEntries].
+ ///
UINT32 PartitionNumber;
+ ///
+ /// Starting LBA of the partition on the hard drive
+ ///
UINT64 PartitionStart;
+ ///
+ /// Size of the partition in units of Logical Blocks
+ ///
UINT64 PartitionSize;
+ ///
+ /// Signature unique to this partition
+ ///
UINT8 Signature[16];
+ ///
+ /// Partition Format: (Unused values reserved)
+ /// 0x01 每 PC-AT compatible legacy MBR
+ /// 0x02 每 GUID Partition Table
+ ///
UINT8 MBRType;
+ ///
+ /// Type of Disk Signature: (Unused values reserved)
+ /// 0x00 每 No Disk Signature.
+ /// 0x01 每 32-bit signature from address 0x1b8 of the type 0x01 MBR.
+ /// 0x02 每 GUID signature.
+ ///
UINT8 SignatureType;
} HARDDRIVE_DEVICE_PATH;
#define MBR_TYPE_PCAT 0x01
#define MBR_TYPE_EFI_PARTITION_TABLE_HEADER 0x02
+#define NO_DISK_SIGNATURE 0x00
#define SIGNATURE_TYPE_MBR 0x01
#define SIGNATURE_TYPE_GUID 0x02
+///
+/// The CD-ROM Media Device Path is used to define a system partition that exists on a CD-ROM.
+/// CD-ROM Media Device Path
+///
#define MEDIA_CDROM_DP 0x02
typedef struct {
EFI_DEVICE_PATH_PROTOCOL Header;
+ ///
+ /// Boot Entry number from the Boot Catalog. The Initial/Default entry is defined as zero.
+ ///
UINT32 BootEntry;
+ ///
+ /// Starting RBA of the partition on the medium. CD-ROMs use Relative logical Block Addressing.
+ ///
UINT64 PartitionStart;
+ ///
+ /// Size of the partition in units of Blocks, also called Sectors.
+ ///
UINT64 PartitionSize;
} CDROM_DEVICE_PATH;
-//
-// Use VENDOR_DEVICE_PATH struct
-//
+///
+/// Use VENDOR_DEVICE_PATH struct
+///
#define MEDIA_VENDOR_DP 0x03
+///
+/// File Path Media Device Path
+///
#define MEDIA_FILEPATH_DP 0x04
typedef struct {
EFI_DEVICE_PATH_PROTOCOL Header;
+ ///
+ /// A NULL-terminated Unicode Path string including directory and file names.
+ ///
CHAR16 PathName[1];
} FILEPATH_DEVICE_PATH;
#define SIZE_OF_FILEPATH_DEVICE_PATH EFI_FIELD_OFFSET(FILEPATH_DEVICE_PATH,PathName)
+///
+/// The Media Protocol Device Path is used to denote the protocol that is being
+/// used in a device path at the location of the path specified.
+/// Many protocols are inherent to the style of device path.
+///
#define MEDIA_PROTOCOL_DP 0x05
typedef struct {
EFI_DEVICE_PATH_PROTOCOL Header;
+ ///
+ /// The ID of the protocol.
+ ///
EFI_GUID Protocol;
} MEDIA_PROTOCOL_DEVICE_PATH;
-
+///
+/// This type is used by systems implementing the UEFI PI Specification 1.0 to describe a firmware volume.
+/// PIWG Firmware Volume Device Path.
+///
#define MEDIA_PIWG_FW_VOL_DP 0x7
typedef struct {
EFI_DEVICE_PATH_PROTOCOL Header;
+ ///
+ /// Firmware volume name.
+ ///
EFI_GUID FvName;
} MEDIA_FW_VOL_DEVICE_PATH;
-
+///
+/// This type is used by systems implementing the UEFI PI Specification 1.0 to describe a firmware file.
+/// PIWG Firmware Volume Device Path
+///
#define MEDIA_PIWG_FW_FILE_DP 0x6
typedef struct {
EFI_DEVICE_PATH_PROTOCOL Header;
+ ///
+ /// Firmware file name
+ ///
EFI_GUID FvFileName;
} MEDIA_FW_VOL_FILEPATH_DEVICE_PATH;
-//
-// BBS Device Path
-//
+///
+/// This Device Path is used to describe the booting of non-EFI-aware operating systems.
+/// BIOS Boot Specification Device Path
+///
#define BBS_DEVICE_PATH 0x05
#define BBS_BBS_DP 0x01
typedef struct {
EFI_DEVICE_PATH_PROTOCOL Header;
+ ///
+ /// Device Type as defined by the BIOS Boot Specification.
+ ///
UINT16 DeviceType;
+ ///
+ /// Status Flags as defined by the BIOS Boot Specification
+ ///
UINT16 StatusFlag;
+ ///
+ /// ASCIIZ string that describes the boot device to a user.
+ ///
CHAR8 String[1];
} BBS_BBS_DEVICE_PATH;
diff --git a/MdePkg/Include/Protocol/DevicePathUtilities.h b/MdePkg/Include/Protocol/DevicePathUtilities.h index cf247d24ba..ba430d3a15 100644 --- a/MdePkg/Include/Protocol/DevicePathUtilities.h +++ b/MdePkg/Include/Protocol/DevicePathUtilities.h @@ -32,7 +32,8 @@ @param DevicePath Points to the start of the EFI device path.
- @retval Size Size of the specified device path, in bytes, including the end-of-path tag.
+ @return Size Size of the specified device path, in bytes, including the end-of-path tag.
+ @retval 0 DevicePath is NULL
**/
typedef
@@ -48,7 +49,7 @@ UINTN @param DevicePath Points to the source EFI device path.
@retval Pointer A pointer to the duplicate device path.
- @retval NULL insufficient memory
+ @retval NULL insufficient memory or DevicePath is NULL
**/
typedef
@@ -59,13 +60,15 @@ EFI_DEVICE_PATH_PROTOCOL* /**
Create a new path by appending the second device path to the first.
+ If Src1 is NULL and Src2 is non-NULL, then a duplicate of Src2 is returned.
+ If Src1 is non-NULL and Src2 is NULL, then a duplicate of Src1 is returned.
+ If Src1 and Src2 are both NULL, then a copy of an end-of-device-path is returned.
- @param Src1 Points to the first device path. If NULL, then it is ignored.
- @param Src2 Points to the second device path. If NULL, then it is ignored.
+ @param Src1 Points to the first device path.
+ @param Src2 Points to the second device path.
@retval Pointer A pointer to the newly created device path.
@retval NULL Memory could not be allocated
- or either DevicePath or DeviceNode is NULL.
**/
typedef
@@ -77,13 +80,15 @@ EFI_DEVICE_PATH_PROTOCOL* /**
Creates a new path by appending the device node to the device path.
+ If DeviceNode is NULL then a copy of DevicePath is returned.
+ If DevicePath is NULL then a copy of DeviceNode, followed by an end-of-device path device node is returned.
+ If both DeviceNode and DevicePath are NULL then a copy of an end-of-device-path device node is returned.
@param DevicePath Points to the device path.
@param DeviceNode Points to the device node.
@retval Pointer A pointer to the allocated device node.
- @retval NULL Memory could not be allocated
- or either DevicePath or DeviceNode is NULL.
+ @retval NULL There was insufficient memory.
**/
typedef
@@ -119,7 +124,8 @@ EFI_DEVICE_PATH_PROTOCOL* device path instance or NULL if there are no more device
path instances in the device path.
@param DevicePathInstanceSize On output, this holds the size of the device path instance,
- in bytes or zero, if DevicePathInstance is zero.
+ in bytes or zero, if DevicePathInstance is NULL.
+ If NULL, then the instance size is not output.
@retval Pointer A pointer to the copy of the current device path instance.
@retval NULL DevicePathInstace was NULL on entry or there was insufficient memory.
diff --git a/MdePkg/Include/Protocol/PlatformToDriverConfiguration.h b/MdePkg/Include/Protocol/PlatformToDriverConfiguration.h index dc66659348..510e78f442 100644 --- a/MdePkg/Include/Protocol/PlatformToDriverConfiguration.h +++ b/MdePkg/Include/Protocol/PlatformToDriverConfiguration.h @@ -1,6 +1,9 @@ /** @file
- The file provides the protocol to retrieve configuration
- information for a device that a UEFI driver is about to start.
+ UEFI Platform to Driver Configuration Protocol is defined in UEFI specification.
+
+ This is a protocol that is optionally produced by the platform and optionally consumed
+ by a UEFI Driver in its Start() function. This protocol allows the driver to receive
+ configuration information as part of being started.
Copyright (c) 2006 - 2008, Intel Corporation
All rights reserved. This program and the accompanying materials
diff --git a/MdePkg/Include/Protocol/PxeBaseCodeCallBack.h b/MdePkg/Include/Protocol/PxeBaseCodeCallBack.h index fb030b24bd..8fe8f0be3f 100644 --- a/MdePkg/Include/Protocol/PxeBaseCodeCallBack.h +++ b/MdePkg/Include/Protocol/PxeBaseCodeCallBack.h @@ -26,9 +26,13 @@ }
//
-// Revision Number
+// UEFI Revision Number Definition
//
#define EFI_PXE_BASE_CODE_CALLBACK_PROTOCOL_REVISION 0x00010000
+
+//
+// EFI 1.1 Revision Number defintion
+//
#define EFI_PXE_BASE_CODE_CALLBACK_INTERFACE_REVISION \
EFI_PXE_BASE_CODE_CALLBACK_PROTOCOL_REVISION
diff --git a/MdePkg/Include/Protocol/Reset.h b/MdePkg/Include/Protocol/Reset.h index c82a92c87f..66512fea47 100644 --- a/MdePkg/Include/Protocol/Reset.h +++ b/MdePkg/Include/Protocol/Reset.h @@ -6,8 +6,6 @@ The ResetSystem () UEFI 2.0 service is added to the EFI system table and the
EFI_RESET_ARCH_PROTOCOL_GUID protocol is registered with a NULL pointer.
- No CRC of the EFI system table is required, as it is done in the DXE core.
-
Copyright (c) 2006 - 2008, Intel Corporation
All rights reserved. This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
diff --git a/MdePkg/Include/Protocol/Runtime.h b/MdePkg/Include/Protocol/Runtime.h index 718f9dca5c..68d2b3c8e8 100644 --- a/MdePkg/Include/Protocol/Runtime.h +++ b/MdePkg/Include/Protocol/Runtime.h @@ -1,17 +1,14 @@ /** @file
Runtime Architectural Protocol as defined in PI Specification VOLUME 2 DXE
- This code is used to produce the UEFI 2.0 runtime virtual switch over
-
- This driver must add SetVirtualAddressMap () and ConvertPointer () to
- the EFI system table. This driver is not responcible for CRCing the
- EFI system table.
-
- This driver will add EFI_RUNTIME_ARCH_PROTOCOL_GUID protocol with a
- pointer to the Runtime Arch Protocol instance structure. The protocol
- member functions are used by the DXE core to export information need
- by this driver to produce the runtime transition to virtual mode
- calling.
+ Allows the runtime functionality of the DXE Foundation to be contained
+ in a separate driver. It also provides hooks for the DXE Foundation to
+ export information that is needed at runtime. As such, this protocol allows
+ services to the DXE Foundation to manage runtime drivers and events.
+ This protocol also implies that the runtime services required to transition
+ to virtual mode, SetVirtualAddressMap() and ConvertPointer(), have been
+ registered into the UEFI Runtime Table in the UEFI System Table. This protocol
+ must be produced by a runtime DXE driver and may only be consumed by the DXE Foundation.
Copyright (c) 2006 - 2008, Intel Corporation
All rights reserved. This program and the accompanying materials
@@ -42,22 +39,64 @@ typedef LIST_ENTRY EFI_LIST_ENTRY; typedef struct _EFI_RUNTIME_IMAGE_ENTRY EFI_RUNTIME_IMAGE_ENTRY;
+///
+/// EFI_RUNTIME_IMAGE_ENTRY
+///
struct _EFI_RUNTIME_IMAGE_ENTRY {
+ ///
+ /// Start of image that has been loaded in memory. It is a pointer
+ /// to either the DOS header or PE header of the image.
+ ///
VOID *ImageBase;
+ ///
+ /// Size in bytes of the image represented by ImageBase.
+ ///
UINT64 ImageSize;
+ ///
+ /// Information about the fix-ups that were performed on ImageBase when it was
+ /// loaded into memory.
+ ///
VOID *RelocationData;
+ ///
+ /// The ImageHandle passed into ImageBase when it was loaded.
+ ///
EFI_HANDLE Handle;
+ ///
+ /// Entry for this node in the EFI_RUNTIME_ARCHITECTURE_PROTOCOL.ImageHead list.
+ ///
EFI_LIST_ENTRY Link;
};
typedef struct _EFI_RUNTIME_EVENT_ENTRY EFI_RUNTIME_EVENT_ENTRY;
+///
+/// EFI_RUNTIME_EVENT_ENTRY
+///
struct _EFI_RUNTIME_EVENT_ENTRY {
+ ///
+ /// The same as Type passed into CreateEvent().
+ ///
UINT32 Type;
+ ///
+ /// The same as NotifyTpl passed into CreateEvent().
+ ///
EFI_TPL NotifyTpl;
+ ///
+ /// The same as NotifyFunction passed into CreateEvent().
+ ///
EFI_EVENT_NOTIFY NotifyFunction;
+ ///
+ /// The same as NotifyContext passed into CreateEvent().
+ ///
VOID *NotifyContext;
+ ///
+ /// The EFI_EVENT returned by CreateEvent(). Event must be in runtime memory.
+ ///
EFI_EVENT *Event;
+ ///
+ /// Entry for this node in the
+ /// EFI_RUNTIME_ARCHITECTURE_PROTOCOL.EventHead list.
+ ///
EFI_LIST_ENTRY Link;
};
diff --git a/MdePkg/Include/Protocol/Security.h b/MdePkg/Include/Protocol/Security.h index 71c236f151..d39f08a6c3 100644 --- a/MdePkg/Include/Protocol/Security.h +++ b/MdePkg/Include/Protocol/Security.h @@ -84,9 +84,9 @@ typedef struct _EFI_SECURITY_ARCH_PROTOCOL EFI_SECURITY_ARCH_PROTOCOL; typedef
EFI_STATUS
(EFIAPI *EFI_SECURITY_FILE_AUTHENTICATION_STATE)(
- IN EFI_SECURITY_ARCH_PROTOCOL *This,
- IN UINT32 AuthenticationStatus,
- IN EFI_DEVICE_PATH_PROTOCOL *File
+ IN CONST EFI_SECURITY_ARCH_PROTOCOL *This,
+ IN UINT32 AuthenticationStatus,
+ IN CONST EFI_DEVICE_PATH_PROTOCOL *File
);
///
diff --git a/MdePkg/Include/Protocol/ServiceBinding.h b/MdePkg/Include/Protocol/ServiceBinding.h index afd25efb57..abd4a404c5 100644 --- a/MdePkg/Include/Protocol/ServiceBinding.h +++ b/MdePkg/Include/Protocol/ServiceBinding.h @@ -1,4 +1,5 @@ -/** @file
+/** @file
+ UEFI Service Binding Protocol is defined in UEFI specification.
The file defines the generic Service Binding Protocol functions.
It provides services that are required to create and destroy child
@@ -24,14 +25,17 @@ typedef struct _EFI_SERVICE_BINDING_PROTOCOL EFI_SERVICE_BINDING_PROTOCOL;
/**
- Creates a child handle with a set of I/O services.
+ Creates a child handle and installs a protocol.
+ The CreateChild() function installs a protocol on ChildHandle.
+ If ChildHandle is a pointer to NULL, then a new handle is created and returned in ChildHandle.
+ If ChildHandle is not a pointer to NULL, then the protocol installs on the existing ChildHandle.
- @param This Protocol instance pointer.
- @param ChildHandle Pointer to the handle of the child to create. If it is NULL,
- then a new handle is created. If it is not NULL, then the
- I/O services are added to the existing child handle.
+ @param This Pointer to the EFI_SERVICE_BINDING_PROTOCOL instance.
+ @param ChildHandle Pointer to the handle of the child to create. If it is NULL,
+ then a new handle is created. If it is a pointer to an existing UEFI handle,
+ then the protocol is added to the existing UEFI handle.
- @retval EFI_SUCCES The child handle was created with the I/O services
+ @retval EFI_SUCCES The protocol was added to ChildHandle.
@retval EFI_INVALID_PARAMETER ChildHandle is NULL.
@retval EFI_OUT_OF_RESOURCES There are not enough resources availabe to create
the child
@@ -46,17 +50,19 @@ EFI_STATUS );
/**
- Destroys a child handle with a set of I/O services.
+ Destroys a child handle with a protocol installed on it.
+ The DestroyChild() function does the opposite of CreateChild(). It removes a protocol
+ that was installed by CreateChild() from ChildHandle. If the removed protocol is the
+ last protocol on ChildHandle, then ChildHandle is destroyed.
- @param This Protocol instance pointer.
+ @param This Pointer to the EFI_SERVICE_BINDING_PROTOCOL instance.
@param ChildHandle Handle of the child to destroy
- @retval EFI_SUCCES The I/O services were removed from the child handle
- @retval EFI_UNSUPPORTED The child handle does not support the I/O services
- that are being removed.
- @retval EFI_INVALID_PARAMETER Child handle is not a valid EFI Handle.
- @retval EFI_ACCESS_DENIED The child handle could not be destroyed because its
- I/O services are being used.
+ @retval EFI_SUCCES The protocol was removed from ChildHandle.
+ @retval EFI_UNSUPPORTED ChildHandle does not support the protocol that is being removed.
+ @retval EFI_INVALID_PARAMETER Child handle is not a valid UEFI Handle.
+ @retval EFI_ACCESS_DENIED The protocol could not be removed from the ChildHandle
+ because its services are being used.
@retval other The child handle was not destroyed
**/
|