diff options
Diffstat (limited to 'SecurityPkg/Library/Tpm12DeviceLibDTpm/Tpm12Tis.c')
| -rw-r--r-- | SecurityPkg/Library/Tpm12DeviceLibDTpm/Tpm12Tis.c | 38 |
1 files changed, 19 insertions, 19 deletions
diff --git a/SecurityPkg/Library/Tpm12DeviceLibDTpm/Tpm12Tis.c b/SecurityPkg/Library/Tpm12DeviceLibDTpm/Tpm12Tis.c index c392b4b215..72802f44cc 100644 --- a/SecurityPkg/Library/Tpm12DeviceLibDTpm/Tpm12Tis.c +++ b/SecurityPkg/Library/Tpm12DeviceLibDTpm/Tpm12Tis.c @@ -1,14 +1,14 @@ /** @file
TIS (TPM Interface Specification) functions used by TPM1.2.
-
-Copyright (c) 2013 - 2016, Intel Corporation. All rights reserved.<BR>
+
+Copyright (c) 2013 - 2018, Intel Corporation. All rights reserved.<BR>
(C) Copyright 2015 Hewlett Packard Enterprise Development LP<BR>
-This program and the accompanying materials
-are licensed and made available under the terms and conditions of the BSD License
-which accompanies this distribution. The full text of the license may be found at
+This program and the accompanying materials
+are licensed and made available under the terms and conditions of the BSD License
+which accompanies this distribution. The full text of the license may be found at
http://opensource.org/licenses/bsd-license.php
-THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
**/
@@ -52,7 +52,7 @@ Tpm12TisPcPresenceCheck ( )
{
UINT8 RegRead;
-
+
RegRead = MmioRead8 ((UINTN)&TisReg->Access);
return (BOOLEAN)(RegRead != (UINT8)-1);
}
@@ -127,7 +127,7 @@ Tpm12TisPcWaitRegisterBits ( }
/**
- Get BurstCount by reading the burstCount field of a TIS regiger
+ Get BurstCount by reading the burstCount field of a TIS regiger
in the time of default TIS_TIMEOUT_D.
@param[in] TisReg Pointer to TIS register.
@@ -171,7 +171,7 @@ Tpm12TisPcReadBurstCount ( }
/**
- Set TPM chip to ready state by sending ready command TIS_PC_STS_READY
+ Set TPM chip to ready state by sending ready command TIS_PC_STS_READY
to Status Register in time.
@param[in] TisReg Pointer to TIS register.
@@ -202,7 +202,7 @@ Tpm12TisPcPrepareCommand ( }
/**
- Get the control of TPM chip by sending requestUse command TIS_PC_ACC_RQUUSE
+ Get the control of TPM chip by sending requestUse command TIS_PC_ACC_RQUUSE
to ACCESS Register in the time of default TIS_TIMEOUT_A.
@param[in] TisReg Pointer to TIS register.
@@ -218,11 +218,11 @@ Tpm12TisPcRequestUseTpm ( )
{
EFI_STATUS Status;
-
+
if (TisReg == NULL) {
return EFI_INVALID_PARAMETER;
}
-
+
if (!Tpm12TisPcPresenceCheck (TisReg)) {
return EFI_NOT_FOUND;
}
@@ -240,12 +240,12 @@ Tpm12TisPcRequestUseTpm ( /**
Send a command to TPM for execution and return response data.
- @param[in] TisReg TPM register space base address.
- @param[in] BufferIn Buffer for command data.
- @param[in] SizeIn Size of command data.
- @param[in, out] BufferOut Buffer for response data.
- @param[in, out] SizeOut Size of response data.
-
+ @param[in] TisReg TPM register space base address.
+ @param[in] BufferIn Buffer for command data.
+ @param[in] SizeIn Size of command data.
+ @param[in, out] BufferOut Buffer for response data.
+ @param[in, out] SizeOut Size of response data.
+
@retval EFI_SUCCESS Operation completed successfully.
@retval EFI_BUFFER_TOO_SMALL Response data buffer is too small.
@retval EFI_DEVICE_ERROR Unexpected device behavior.
@@ -422,7 +422,7 @@ Exit: @retval EFI_SUCCESS The command byte stream was successfully sent to the device and a response was successfully received.
@retval EFI_DEVICE_ERROR The command was not successfully sent to the device or a response was not successfully received from the device.
- @retval EFI_BUFFER_TOO_SMALL The output parameter block is too small.
+ @retval EFI_BUFFER_TOO_SMALL The output parameter block is too small.
**/
EFI_STATUS
EFIAPI
|