diff options
| -rw-r--r-- | OvmfPkg/Include/Library/QemuFwCfgS3Lib.h | 39 | ||||
| -rw-r--r-- | OvmfPkg/OvmfPkg.dec | 4 |
2 files changed, 43 insertions, 0 deletions
diff --git a/OvmfPkg/Include/Library/QemuFwCfgS3Lib.h b/OvmfPkg/Include/Library/QemuFwCfgS3Lib.h new file mode 100644 index 0000000000..1c473610d1 --- /dev/null +++ b/OvmfPkg/Include/Library/QemuFwCfgS3Lib.h @@ -0,0 +1,39 @@ +/** @file
+ S3 support for QEMU fw_cfg
+
+ This library class enables driver modules (a) to query whether S3 support was
+ enabled on the QEMU command line, (b) to produce fw_cfg DMA operations that
+ are to be replayed at S3 resume time.
+
+ Copyright (C) 2017, Red Hat, Inc.
+
+ 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, WITHOUT
+ WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+**/
+
+#ifndef __FW_CFG_S3_LIB__
+#define __FW_CFG_S3_LIB__
+
+/**
+ Determine if S3 support is explicitly enabled.
+
+ @retval TRUE If S3 support is explicitly enabled. Other functions in this
+ library may be called (subject to their individual
+ restrictions).
+
+ FALSE Otherwise. This includes unavailability of the firmware
+ configuration interface. No other function in this library
+ must be called.
+**/
+BOOLEAN
+EFIAPI
+QemuFwCfgS3Enabled (
+ VOID
+ );
+
+#endif
diff --git a/OvmfPkg/OvmfPkg.dec b/OvmfPkg/OvmfPkg.dec index a0c76a5bb4..3490f7ca7c 100644 --- a/OvmfPkg/OvmfPkg.dec +++ b/OvmfPkg/OvmfPkg.dec @@ -35,6 +35,10 @@ #
QemuFwCfgLib|Include/Library/QemuFwCfgLib.h
+ ## @libraryclass S3 support for QEMU fw_cfg
+ #
+ QemuFwCfgS3Lib|Include/Library/QemuFwCfgS3Lib.h
+
## @libraryclass Rewrite the BootOrder NvVar based on QEMU's "bootorder"
# fw_cfg file.
#
|