mirror of https://github.com/acidanthera/audk.git
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@954 6f19259b-4bc3-4df7-8a09-765794883524
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yshang1
parent
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commit
efa550c90e
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@ -301,7 +301,39 @@ EfiConvertList (
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IN OUT LIST_ENTRY *ListHead
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);
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/**
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Passes capsules to the firmware with both virtual and physical mapping.
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Depending on the intended consumption, the firmware may
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process the capsule immediately. If the payload should persist across a
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system reset, the reset value returned from EFI_QueryCapsuleCapabilities must
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be passed into ResetSystem() and will cause the capsule to be processed by
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the firmware as part of the reset process.
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@param CapsuleHeaderArray Virtual pointer to an array of virtual pointers to the capsules
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being passed into update capsule. Each capsules is assumed to
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stored in contiguous virtual memory. The capsules in the
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CapsuleHeaderArray must be the same capsules as the
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ScatterGatherList. The CapsuleHeaderArray must
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have the capsules in the same order as the ScatterGatherList.
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@param CapsuleCount Number of pointers to EFI_CAPSULE_HEADER in
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CaspuleHeaderArray.
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@param ScatterGatherList Physical pointer to a set of
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EFI_CAPSULE_BLOCK_DESCRIPTOR that describes the
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location in physical memory of a set of capsules. See Related
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Definitions for an explanation of how more than one capsule is
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passed via this interface. The capsules in the
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ScatterGatherList must be in the same order as the
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CapsuleHeaderArray. This parameter is only referenced if
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the capsules are defined to persist across system reset.
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@retval EFI_SUCCESS Valid capsule was passed. I Valid capsule was passed. If
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CAPSULE_FLAGS_PERSIT_ACROSS_RESET is not set, the
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capsule has been successfully processed by the firmware.
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@retval EFI_INVALID_PARAMETER CapsuleSize is NULL or ResetTye is NULL.
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@retval EFI_DEVICE_ERROR The capsule update was started, but failed due to a device error.
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**/
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EFI_STATUS
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EFIAPI
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EfiUpdateCapsule (
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@ -311,6 +343,38 @@ EfiUpdateCapsule (
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);
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/**
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The QueryCapsuleCapabilities() function allows a caller to test to see if a capsule or
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capsules can be updated via UpdateCapsule(). The Flags values in the capsule header and
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size of the entire capsule is checked.
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If the caller needs to query for generic capsule capability a fake EFI_CAPSULE_HEADER can be
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constructed where CapsuleImageSize is equal to HeaderSize that is equal to sizeof
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(EFI_CAPSULE_HEADER). To determine reset requirements,
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CAPSULE_FLAGS_PERSIST_ACROSS_RESET should be set in the Flags field of the
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EFI_CAPSULE_HEADER.
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The firmware must support any capsule that has the
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CAPSULE_FLAGS_PERSIST_ACROSS_RESET flag set in EFI_CAPSULE_HEADER. The
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firmware sets the policy for what capsules are supported that do not have the
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CAPSULE_FLAGS_PERSIST_ACROSS_RESET flag set.
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@param CapsuleHeaderArray Virtual pointer to an array of virtual pointers to the capsules
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being passed into update capsule. The capsules are assumed to
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stored in contiguous virtual memory.
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@param CapsuleCount Number of pointers to EFI_CAPSULE_HEADER in
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CaspuleHeaderArray.
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@param MaxiumCapsuleSize On output the maximum size that UpdateCapsule() can
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support as an argument to UpdateCapsule() via
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CapsuleHeaderArray and ScatterGatherList.
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Undefined on input.
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@param ResetType Returns the type of reset required for the capsule update.
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@retval EFI_SUCCESS Valid answer returned..
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@retval EFI_INVALID_PARAMETER MaximumCapsuleSize is NULL.
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@retval EFI_UNSUPPORTED The capsule type is not supported on this platform, and
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MaximumCapsuleSize and ResetType are undefined.
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**/
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EFI_STATUS
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EFIAPI
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EfiQueryCapsuleCapabilities (
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@ -320,6 +384,39 @@ EfiQueryCapsuleCapabilities (
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OUT EFI_RESET_TYPE *ResetType
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);
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/**
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The QueryVariableInfo() function allows a caller to obtain the information about the
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maximum size of the storage space available for the EFI variables, the remaining size of the storage
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space available for the EFI variables and the maximum size of each individual EFI variable,
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associated with the attributes specified.
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The returned MaximumVariableStorageSize, RemainingVariableStorageSize,
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MaximumVariableSize information may change immediately after the call based on other
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runtime activities including asynchronous error events. Also, these values associated with different
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attributes are not additive in nature.
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@param Attributes Attributes bitmask to specify the type of variables on
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which to return information. Refer to the
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GetVariable() function description.
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@param MaximumVariableStorageSize
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On output the maximum size of the storage space
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available for the EFI variables associated with the
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attributes specified.
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@param RemainingVariableStorageSize
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Returns the remaining size of the storage space
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available for the EFI variables associated with the
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attributes specified..
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@param MaximumVariableSize Returns the maximum size of the individual EFI
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variables associated with the attributes specified.
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@retval EFI_SUCCESS Valid answer returned.
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@retval EFI_INVALID_PARAMETER An invalid combination of attribute bits was supplied.
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@retval EFI_UNSUPPORTED EFI_UNSUPPORTED The attribute is not supported on this platform, and the
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MaximumVariableStorageSize,
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RemainingVariableStorageSize, MaximumVariableSize
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are undefined.
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**/
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EFI_STATUS
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EFIAPI
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EfiQueryVariableInfo (
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@ -330,3 +427,4 @@ EfiQueryVariableInfo (
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);
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#endif
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