diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/mm_communication.h | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/include/mm_communication.h b/include/mm_communication.h index 193c4d1578..f9c05bb7f1 100644 --- a/include/mm_communication.h +++ b/include/mm_communication.h @@ -205,4 +205,47 @@ struct smm_variable_query_info { u32 attr; }; +#define VAR_CHECK_VARIABLE_PROPERTY_REVISION 0x0001 +#define VAR_CHECK_VARIABLE_PROPERTY_READ_ONLY BIT(0) +/** + * struct var_check_property - Used to store variable properties in StMM + * + * @revision: magic revision number for variable property checking + * @property: properties mask for the variable used in StMM. + * Currently RO flag is supported + * @attributes: variable attributes used in StMM checking when properties + * for a variable are enabled + * @minsize: minimum allowed size for variable payload checked against + * smm_variable_access->datasize in StMM + * @maxsize: maximum allowed size for variable payload checked against + * smm_variable_access->datasize in StMM + * + * Defined in EDK2 as VAR_CHECK_VARIABLE_PROPERTY. + */ +struct var_check_property { + u16 revision; + u16 property; + u32 attributes; + efi_uintn_t minsize; + efi_uintn_t maxsize; +}; + +/** + * struct smm_variable_var_check_property - Used to communicate variable + * properties with StMM + * + * @guid: vendor GUID + * @name_size: size of EFI name + * @property: variable properties struct + * @name: variable name + * + * Defined in EDK2 as SMM_VARIABLE_COMMUNICATE_VAR_CHECK_VARIABLE_PROPERTY. + */ +struct smm_variable_var_check_property { + efi_guid_t guid; + efi_uintn_t name_size; + struct var_check_property property; + u16 name[]; +}; + #endif /* _MM_COMMUNICATION_H_ */ |