1436aea4d5
REF: https://bugzilla.tianocore.org/show_bug.cgi?id=3737 Apply uncrustify changes to .c/.h files in the MdeModulePkg package Cc: Andrew Fish <afish@apple.com> Cc: Leif Lindholm <leif@nuviainc.com> Cc: Michael D Kinney <michael.d.kinney@intel.com> Signed-off-by: Michael Kubacki <michael.kubacki@microsoft.com> Reviewed-by: Liming Gao <gaoliming@byosoft.com.cn>
158 lines
5.0 KiB
C
158 lines
5.0 KiB
C
/** @file -- VariablePolicy.h
|
|
|
|
This protocol allows communication with Variable Policy Engine.
|
|
|
|
Copyright (c) Microsoft Corporation.
|
|
SPDX-License-Identifier: BSD-2-Clause-Patent
|
|
**/
|
|
|
|
#ifndef __EDKII_VARIABLE_POLICY_PROTOCOL__
|
|
#define __EDKII_VARIABLE_POLICY_PROTOCOL__
|
|
|
|
#define EDKII_VARIABLE_POLICY_PROTOCOL_REVISION 0x0000000000010000
|
|
|
|
#define EDKII_VARIABLE_POLICY_PROTOCOL_GUID \
|
|
{ \
|
|
0x81D1675C, 0x86F6, 0x48DF, { 0xBD, 0x95, 0x9A, 0x6E, 0x4F, 0x09, 0x25, 0xC3 } \
|
|
}
|
|
|
|
#define VARIABLE_POLICY_ENTRY_REVISION 0x00010000
|
|
|
|
#pragma pack(push, 1)
|
|
typedef struct {
|
|
UINT32 Version;
|
|
UINT16 Size;
|
|
UINT16 OffsetToName;
|
|
EFI_GUID Namespace;
|
|
UINT32 MinSize;
|
|
UINT32 MaxSize;
|
|
UINT32 AttributesMustHave;
|
|
UINT32 AttributesCantHave;
|
|
UINT8 LockPolicyType;
|
|
UINT8 Padding[3];
|
|
// UINT8 LockPolicy[]; // Variable Length Field
|
|
// CHAR16 Name[] // Variable Length Field
|
|
} VARIABLE_POLICY_ENTRY;
|
|
|
|
#define VARIABLE_POLICY_NO_MIN_SIZE 0
|
|
#define VARIABLE_POLICY_NO_MAX_SIZE MAX_UINT32
|
|
#define VARIABLE_POLICY_NO_MUST_ATTR 0
|
|
#define VARIABLE_POLICY_NO_CANT_ATTR 0
|
|
|
|
#define VARIABLE_POLICY_TYPE_NO_LOCK 0
|
|
#define VARIABLE_POLICY_TYPE_LOCK_NOW 1
|
|
#define VARIABLE_POLICY_TYPE_LOCK_ON_CREATE 2
|
|
#define VARIABLE_POLICY_TYPE_LOCK_ON_VAR_STATE 3
|
|
|
|
typedef struct {
|
|
EFI_GUID Namespace;
|
|
UINT8 Value;
|
|
UINT8 Padding;
|
|
// CHAR16 Name[]; // Variable Length Field
|
|
} VARIABLE_LOCK_ON_VAR_STATE_POLICY;
|
|
#pragma pack(pop)
|
|
|
|
/**
|
|
This API function disables the variable policy enforcement. If it's
|
|
already been called once, will return EFI_ALREADY_STARTED.
|
|
|
|
@retval EFI_SUCCESS
|
|
@retval EFI_ALREADY_STARTED Has already been called once this boot.
|
|
@retval EFI_WRITE_PROTECTED Interface has been locked until reboot.
|
|
@retval EFI_WRITE_PROTECTED Interface option is disabled by platform PCD.
|
|
|
|
**/
|
|
typedef
|
|
EFI_STATUS
|
|
(EFIAPI *DISABLE_VARIABLE_POLICY)(
|
|
VOID
|
|
);
|
|
|
|
/**
|
|
This API function returns whether or not the policy engine is
|
|
currently being enforced.
|
|
|
|
@param[out] State Pointer to a return value for whether the policy enforcement
|
|
is currently enabled.
|
|
|
|
@retval EFI_SUCCESS
|
|
@retval Others An error has prevented this command from completing.
|
|
|
|
**/
|
|
typedef
|
|
EFI_STATUS
|
|
(EFIAPI *IS_VARIABLE_POLICY_ENABLED)(
|
|
OUT BOOLEAN *State
|
|
);
|
|
|
|
/**
|
|
This API function validates and registers a new policy with
|
|
the policy enforcement engine.
|
|
|
|
@param[in] NewPolicy Pointer to the incoming policy structure.
|
|
|
|
@retval EFI_SUCCESS
|
|
@retval EFI_INVALID_PARAMETER NewPolicy is NULL or is internally inconsistent.
|
|
@retval EFI_ALREADY_STARTED An identical matching policy already exists.
|
|
@retval EFI_WRITE_PROTECTED The interface has been locked until the next reboot.
|
|
@retval EFI_ABORTED A calculation error has prevented this function from completing.
|
|
@retval EFI_OUT_OF_RESOURCES Cannot grow the table to hold any more policies.
|
|
|
|
**/
|
|
typedef
|
|
EFI_STATUS
|
|
(EFIAPI *REGISTER_VARIABLE_POLICY)(
|
|
IN CONST VARIABLE_POLICY_ENTRY *PolicyEntry
|
|
);
|
|
|
|
/**
|
|
This API function will dump the entire contents of the variable policy table.
|
|
|
|
Similar to GetVariable, the first call can be made with a 0 size and it will return
|
|
the size of the buffer required to hold the entire table.
|
|
|
|
@param[out] Policy Pointer to the policy buffer. Can be NULL if Size is 0.
|
|
@param[in,out] Size On input, the size of the output buffer. On output, the size
|
|
of the data returned.
|
|
|
|
@retval EFI_SUCCESS Policy data is in the output buffer and Size has been updated.
|
|
@retval EFI_INVALID_PARAMETER Size is NULL, or Size is non-zero and Policy is NULL.
|
|
@retval EFI_BUFFER_TOO_SMALL Size is insufficient to hold policy. Size updated with required size.
|
|
|
|
**/
|
|
typedef
|
|
EFI_STATUS
|
|
(EFIAPI *DUMP_VARIABLE_POLICY)(
|
|
IN OUT UINT8 *Policy,
|
|
IN OUT UINT32 *Size
|
|
);
|
|
|
|
/**
|
|
This API function locks the interface so that no more policy updates
|
|
can be performed or changes made to the enforcement until the next boot.
|
|
|
|
@retval EFI_SUCCESS
|
|
@retval Others An error has prevented this command from completing.
|
|
|
|
**/
|
|
typedef
|
|
EFI_STATUS
|
|
(EFIAPI *LOCK_VARIABLE_POLICY)(
|
|
VOID
|
|
);
|
|
|
|
typedef struct {
|
|
UINT64 Revision;
|
|
DISABLE_VARIABLE_POLICY DisableVariablePolicy;
|
|
IS_VARIABLE_POLICY_ENABLED IsVariablePolicyEnabled;
|
|
REGISTER_VARIABLE_POLICY RegisterVariablePolicy;
|
|
DUMP_VARIABLE_POLICY DumpVariablePolicy;
|
|
LOCK_VARIABLE_POLICY LockVariablePolicy;
|
|
} _EDKII_VARIABLE_POLICY_PROTOCOL;
|
|
|
|
typedef _EDKII_VARIABLE_POLICY_PROTOCOL EDKII_VARIABLE_POLICY_PROTOCOL;
|
|
|
|
extern EFI_GUID gEdkiiVariablePolicyProtocolGuid;
|
|
|
|
#endif
|