diff options
Diffstat (limited to 'MdePkg/Include/Protocol')
-rw-r--r-- | MdePkg/Include/Protocol/MmCommunication2.h | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/MdePkg/Include/Protocol/MmCommunication2.h b/MdePkg/Include/Protocol/MmCommunication2.h index 3495a7327f..1b56320c7f 100644 --- a/MdePkg/Include/Protocol/MmCommunication2.h +++ b/MdePkg/Include/Protocol/MmCommunication2.h @@ -27,12 +27,13 @@ typedef struct _EFI_MM_COMMUNICATION2_PROTOCOL EFI_MM_COMMUNICATION2_PROTOCOL; This function provides a service to send and receive messages from a registered UEFI service.
- @param[in] This The EFI_MM_COMMUNICATION_PROTOCOL instance.
- @param[in] CommBufferPhysical Physical address of the MM communication buffer
- @param[in] CommBufferVirtual Virtual address of the MM communication buffer
- @param[in] CommSize The size of the data buffer being passed in. On exit, the size of data
- being returned. Zero if the handler does not wish to reply with any data.
- This parameter is optional and may be NULL.
+ @param[in] This The EFI_MM_COMMUNICATION_PROTOCOL instance.
+ @param[in, out] CommBufferPhysical Physical address of the MM communication buffer
+ @param[in, out] CommBufferVirtual Virtual address of the MM communication buffer
+ @param[in, out] CommSize The size of the data buffer being passed in. On exit, the
+ size of data being returned. Zero if the handler does not
+ wish to reply with any data. This parameter is optional
+ and may be NULL.
@retval EFI_SUCCESS The message was successfully posted.
@retval EFI_INVALID_PARAMETER CommBufferPhysical was NULL or CommBufferVirtual was NULL.
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