summaryrefslogtreecommitdiffstats
path: root/MdeModulePkg/Universal/Variable
diff options
context:
space:
mode:
Diffstat (limited to 'MdeModulePkg/Universal/Variable')
-rw-r--r--MdeModulePkg/Universal/Variable/RuntimeDxe/Variable.c40
-rw-r--r--MdeModulePkg/Universal/Variable/RuntimeDxe/Variable.h40
-rw-r--r--MdeModulePkg/Universal/Variable/RuntimeDxe/VariableSmmRuntimeDxe.c99
3 files changed, 140 insertions, 39 deletions
diff --git a/MdeModulePkg/Universal/Variable/RuntimeDxe/Variable.c b/MdeModulePkg/Universal/Variable/RuntimeDxe/Variable.c
index 3c360481f4..d394d237a5 100644
--- a/MdeModulePkg/Universal/Variable/RuntimeDxe/Variable.c
+++ b/MdeModulePkg/Universal/Variable/RuntimeDxe/Variable.c
@@ -2385,10 +2385,19 @@ Done:
@param Data The buffer to return the contents of the variable. May be NULL
with a zero DataSize in order to determine the size buffer needed.
- @return EFI_INVALID_PARAMETER Invalid parameter.
- @return EFI_SUCCESS Find the specified variable.
- @return EFI_NOT_FOUND Not found.
- @return EFI_BUFFER_TO_SMALL DataSize is too small for the result.
+ @retval EFI_SUCCESS The function completed successfully.
+ @retval EFI_NOT_FOUND The variable was not found.
+ @retval EFI_BUFFER_TOO_SMALL The DataSize is too small for the result.
+ @retval EFI_INVALID_PARAMETER VariableName is NULL.
+ @retval EFI_INVALID_PARAMETER VendorGuid is NULL.
+ @retval EFI_INVALID_PARAMETER DataSize is NULL.
+ @retval EFI_INVALID_PARAMETER The DataSize is not too small and Data is NULL.
+ @retval EFI_DEVICE_ERROR The variable could not be retrieved due to a hardware error.
+ @retval EFI_SECURITY_VIOLATION The variable could not be retrieved due to an authentication failure.
+ @retval EFI_UNSUPPORTED After ExitBootServices() has been called, this return code may be returned
+ if no variable storage is supported. The platform should describe this
+ runtime service as unsupported at runtime via an EFI_RT_PROPERTIES_TABLE
+ configuration table.
**/
EFI_STATUS
@@ -2479,6 +2488,11 @@ Done:
GUID of an existing variable.
@retval EFI_INVALID_PARAMETER Null-terminator is not found in the first VariableNameSize bytes of
the input VariableName buffer.
+ @retval EFI_DEVICE_ERROR The variable could not be retrieved due to a hardware error.
+ @retval EFI_UNSUPPORTED After ExitBootServices() has been called, this return code may be returned
+ if no variable storage is supported. The platform should describe this
+ runtime service as unsupported at runtime via an EFI_RT_PROPERTIES_TABLE
+ configuration table.
**/
EFI_STATUS
@@ -2576,11 +2590,19 @@ VariableServiceGetNextVariableName (
data, this value contains the required size.
@param Data Data pointer.
- @return EFI_INVALID_PARAMETER Invalid parameter.
- @return EFI_SUCCESS Set successfully.
- @return EFI_OUT_OF_RESOURCES Resource not enough to set variable.
- @return EFI_NOT_FOUND Not found.
- @return EFI_WRITE_PROTECTED Variable is read-only.
+ @retval EFI_SUCCESS The function completed successfully.
+ @retval EFI_NOT_FOUND The variable was not found.
+ @retval EFI_BUFFER_TOO_SMALL The DataSize is too small for the result.
+ @retval EFI_INVALID_PARAMETER VariableName is NULL.
+ @retval EFI_INVALID_PARAMETER VendorGuid is NULL.
+ @retval EFI_INVALID_PARAMETER DataSize is NULL.
+ @retval EFI_INVALID_PARAMETER The DataSize is not too small and Data is NULL.
+ @retval EFI_DEVICE_ERROR The variable could not be retrieved due to a hardware error.
+ @retval EFI_SECURITY_VIOLATION The variable could not be retrieved due to an authentication failure.
+ @retval EFI_UNSUPPORTED After ExitBootServices() has been called, this return code may be returned
+ if no variable storage is supported. The platform should describe this
+ runtime service as unsupported at runtime via an EFI_RT_PROPERTIES_TABLE
+ configuration table.
**/
EFI_STATUS
diff --git a/MdeModulePkg/Universal/Variable/RuntimeDxe/Variable.h b/MdeModulePkg/Universal/Variable/RuntimeDxe/Variable.h
index a668abb82b..033c0625af 100644
--- a/MdeModulePkg/Universal/Variable/RuntimeDxe/Variable.h
+++ b/MdeModulePkg/Universal/Variable/RuntimeDxe/Variable.h
@@ -446,10 +446,19 @@ GetFvbInfoByAddress (
@param Data The buffer to return the contents of the variable. May be NULL
with a zero DataSize in order to determine the size buffer needed.
- @return EFI_INVALID_PARAMETER Invalid parameter.
- @return EFI_SUCCESS Find the specified variable.
- @return EFI_NOT_FOUND Not found.
- @return EFI_BUFFER_TO_SMALL DataSize is too small for the result.
+ @retval EFI_SUCCESS The function completed successfully.
+ @retval EFI_NOT_FOUND The variable was not found.
+ @retval EFI_BUFFER_TOO_SMALL The DataSize is too small for the result.
+ @retval EFI_INVALID_PARAMETER VariableName is NULL.
+ @retval EFI_INVALID_PARAMETER VendorGuid is NULL.
+ @retval EFI_INVALID_PARAMETER DataSize is NULL.
+ @retval EFI_INVALID_PARAMETER The DataSize is not too small and Data is NULL.
+ @retval EFI_DEVICE_ERROR The variable could not be retrieved due to a hardware error.
+ @retval EFI_SECURITY_VIOLATION The variable could not be retrieved due to an authentication failure.
+ @retval EFI_UNSUPPORTED After ExitBootServices() has been called, this return code may be returned
+ if no variable storage is supported. The platform should describe this
+ runtime service as unsupported at runtime via an EFI_RT_PROPERTIES_TABLE
+ configuration table.
**/
EFI_STATUS
@@ -485,6 +494,11 @@ VariableServiceGetVariable (
GUID of an existing variable.
@retval EFI_INVALID_PARAMETER Null-terminator is not found in the first VariableNameSize bytes of
the input VariableName buffer.
+ @retval EFI_DEVICE_ERROR The variable could not be retrieved due to a hardware error.
+ @retval EFI_UNSUPPORTED After ExitBootServices() has been called, this return code may be returned
+ if no variable storage is supported. The platform should describe this
+ runtime service as unsupported at runtime via an EFI_RT_PROPERTIES_TABLE
+ configuration table.
**/
EFI_STATUS
@@ -513,11 +527,19 @@ VariableServiceGetNextVariableName (
data, this value contains the required size.
@param Data Data pointer.
- @return EFI_INVALID_PARAMETER Invalid parameter.
- @return EFI_SUCCESS Set successfully.
- @return EFI_OUT_OF_RESOURCES Resource not enough to set variable.
- @return EFI_NOT_FOUND Not found.
- @return EFI_WRITE_PROTECTED Variable is read-only.
+ @retval EFI_SUCCESS The function completed successfully.
+ @retval EFI_NOT_FOUND The variable was not found.
+ @retval EFI_BUFFER_TOO_SMALL The DataSize is too small for the result.
+ @retval EFI_INVALID_PARAMETER VariableName is NULL.
+ @retval EFI_INVALID_PARAMETER VendorGuid is NULL.
+ @retval EFI_INVALID_PARAMETER DataSize is NULL.
+ @retval EFI_INVALID_PARAMETER The DataSize is not too small and Data is NULL.
+ @retval EFI_DEVICE_ERROR The variable could not be retrieved due to a hardware error.
+ @retval EFI_SECURITY_VIOLATION The variable could not be retrieved due to an authentication failure.
+ @retval EFI_UNSUPPORTED After ExitBootServices() has been called, this return code may be returned
+ if no variable storage is supported. The platform should describe this
+ runtime service as unsupported at runtime via an EFI_RT_PROPERTIES_TABLE
+ configuration table.
**/
EFI_STATUS
diff --git a/MdeModulePkg/Universal/Variable/RuntimeDxe/VariableSmmRuntimeDxe.c b/MdeModulePkg/Universal/Variable/RuntimeDxe/VariableSmmRuntimeDxe.c
index 4aaeb5ba88..6930875e9f 100644
--- a/MdeModulePkg/Universal/Variable/RuntimeDxe/VariableSmmRuntimeDxe.c
+++ b/MdeModulePkg/Universal/Variable/RuntimeDxe/VariableSmmRuntimeDxe.c
@@ -831,10 +831,19 @@ Done:
data, this value contains the required size.
@param[out] Data Data pointer.
- @retval EFI_INVALID_PARAMETER Invalid parameter.
- @retval EFI_SUCCESS Find the specified variable.
- @retval EFI_NOT_FOUND Not found.
- @retval EFI_BUFFER_TO_SMALL DataSize is too small for the result.
+ @retval EFI_SUCCESS The function completed successfully.
+ @retval EFI_NOT_FOUND The variable was not found.
+ @retval EFI_BUFFER_TOO_SMALL The DataSize is too small for the result.
+ @retval EFI_INVALID_PARAMETER VariableName is NULL.
+ @retval EFI_INVALID_PARAMETER VendorGuid is NULL.
+ @retval EFI_INVALID_PARAMETER DataSize is NULL.
+ @retval EFI_INVALID_PARAMETER The DataSize is not too small and Data is NULL.
+ @retval EFI_DEVICE_ERROR The variable could not be retrieved due to a hardware error.
+ @retval EFI_SECURITY_VIOLATION The variable could not be retrieved due to an authentication failure.
+ @retval EFI_UNSUPPORTED After ExitBootServices() has been called, this return code may be returned
+ if no variable storage is supported. The platform should describe this
+ runtime service as unsupported at runtime via an EFI_RT_PROPERTIES_TABLE
+ configuration table.
**/
EFI_STATUS
@@ -876,10 +885,22 @@ RuntimeServiceGetVariable (
@param[in, out] VariableName Pointer to variable name.
@param[in, out] VendorGuid Variable Vendor Guid.
- @retval EFI_INVALID_PARAMETER Invalid parameter.
- @retval EFI_SUCCESS Find the specified variable.
- @retval EFI_NOT_FOUND Not found.
- @retval EFI_BUFFER_TO_SMALL DataSize is too small for the result.
+ @retval EFI_SUCCESS The function completed successfully.
+ @retval EFI_NOT_FOUND The next variable was not found.
+ @retval EFI_BUFFER_TOO_SMALL The VariableNameSize is too small for the result.
+ VariableNameSize has been updated with the size needed to complete the request.
+ @retval EFI_INVALID_PARAMETER VariableNameSize is NULL.
+ @retval EFI_INVALID_PARAMETER VariableName is NULL.
+ @retval EFI_INVALID_PARAMETER VendorGuid is NULL.
+ @retval EFI_INVALID_PARAMETER The input values of VariableName and VendorGuid are not a name and
+ GUID of an existing variable.
+ @retval EFI_INVALID_PARAMETER Null-terminator is not found in the first VariableNameSize bytes of
+ the input VariableName buffer.
+ @retval EFI_DEVICE_ERROR The variable could not be retrieved due to a hardware error.
+ @retval EFI_UNSUPPORTED After ExitBootServices() has been called, this return code may be returned
+ if no variable storage is supported. The platform should describe this
+ runtime service as unsupported at runtime via an EFI_RT_PROPERTIES_TABLE
+ configuration table.
**/
EFI_STATUS
@@ -951,10 +972,22 @@ GetNextVariableNameInRuntimeCache (
@param[in, out] VariableName Pointer to variable name.
@param[in, out] VendorGuid Variable Vendor Guid.
- @retval EFI_INVALID_PARAMETER Invalid parameter.
- @retval EFI_SUCCESS Find the specified variable.
- @retval EFI_NOT_FOUND Not found.
- @retval EFI_BUFFER_TO_SMALL DataSize is too small for the result.
+ @retval EFI_SUCCESS The function completed successfully.
+ @retval EFI_NOT_FOUND The next variable was not found.
+ @retval EFI_BUFFER_TOO_SMALL The VariableNameSize is too small for the result.
+ VariableNameSize has been updated with the size needed to complete the request.
+ @retval EFI_INVALID_PARAMETER VariableNameSize is NULL.
+ @retval EFI_INVALID_PARAMETER VariableName is NULL.
+ @retval EFI_INVALID_PARAMETER VendorGuid is NULL.
+ @retval EFI_INVALID_PARAMETER The input values of VariableName and VendorGuid are not a name and
+ GUID of an existing variable.
+ @retval EFI_INVALID_PARAMETER Null-terminator is not found in the first VariableNameSize bytes of
+ the input VariableName buffer.
+ @retval EFI_DEVICE_ERROR The variable could not be retrieved due to a hardware error.
+ @retval EFI_UNSUPPORTED After ExitBootServices() has been called, this return code may be returned
+ if no variable storage is supported. The platform should describe this
+ runtime service as unsupported at runtime via an EFI_RT_PROPERTIES_TABLE
+ configuration table.
**/
EFI_STATUS
@@ -1052,10 +1085,22 @@ Done:
@param[in, out] VariableName Pointer to variable name.
@param[in, out] VendorGuid Variable Vendor Guid.
- @retval EFI_INVALID_PARAMETER Invalid parameter.
- @retval EFI_SUCCESS Find the specified variable.
- @retval EFI_NOT_FOUND Not found.
- @retval EFI_BUFFER_TO_SMALL DataSize is too small for the result.
+ @retval EFI_SUCCESS The function completed successfully.
+ @retval EFI_NOT_FOUND The next variable was not found.
+ @retval EFI_BUFFER_TOO_SMALL The VariableNameSize is too small for the result.
+ VariableNameSize has been updated with the size needed to complete the request.
+ @retval EFI_INVALID_PARAMETER VariableNameSize is NULL.
+ @retval EFI_INVALID_PARAMETER VariableName is NULL.
+ @retval EFI_INVALID_PARAMETER VendorGuid is NULL.
+ @retval EFI_INVALID_PARAMETER The input values of VariableName and VendorGuid are not a name and
+ GUID of an existing variable.
+ @retval EFI_INVALID_PARAMETER Null-terminator is not found in the first VariableNameSize bytes of
+ the input VariableName buffer.
+ @retval EFI_DEVICE_ERROR The variable could not be retrieved due to a hardware error.
+ @retval EFI_UNSUPPORTED After ExitBootServices() has been called, this return code may be returned
+ if no variable storage is supported. The platform should describe this
+ runtime service as unsupported at runtime via an EFI_RT_PROPERTIES_TABLE
+ configuration table.
**/
EFI_STATUS
@@ -1112,11 +1157,23 @@ RuntimeServiceGetNextVariableName (
data, this value contains the required size.
@param[in] Data Data pointer.
- @retval EFI_INVALID_PARAMETER Invalid parameter.
- @retval EFI_SUCCESS Set successfully.
- @retval EFI_OUT_OF_RESOURCES Resource not enough to set variable.
- @retval EFI_NOT_FOUND Not found.
- @retval EFI_WRITE_PROTECTED Variable is read-only.
+ @retval EFI_SUCCESS The firmware has successfully stored the variable and its data as
+ defined by the Attributes.
+ @retval EFI_INVALID_PARAMETER An invalid combination of attribute bits, name, and GUID was supplied, or the
+ DataSize exceeds the maximum allowed.
+ @retval EFI_INVALID_PARAMETER VariableName is an empty string.
+ @retval EFI_OUT_OF_RESOURCES Not enough storage is available to hold the variable and its data.
+ @retval EFI_DEVICE_ERROR The variable could not be retrieved due to a hardware error.
+ @retval EFI_WRITE_PROTECTED The variable in question is read-only.
+ @retval EFI_WRITE_PROTECTED The variable in question cannot be deleted.
+ @retval EFI_SECURITY_VIOLATION The variable could not be written due to
+ EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACESS being set,
+ but the AuthInfo does NOT pass the validation check carried out by the firmware.
+
+ @retval EFI_NOT_FOUND The variable trying to be updated or deleted was not found.
+ @retval EFI_UNSUPPORTED This call is not supported by this platform at the time the call is made.
+ The platform should describe this runtime service as unsupported at runtime
+ via an EFI_RT_PROPERTIES_TABLE configuration table.
**/
EFI_STATUS
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-17 04:16:22 +0000