1 files changed, 61 insertions, 0 deletions
diff --git a/SecurityPkg/HddPassword/HddPasswordCommon.h b/SecurityPkg/HddPassword/HddPasswordCommon.h
new file mode 100644
index 0000000000..b904b7d39e
--- /dev/null
+++ b/SecurityPkg/HddPassword/HddPasswordCommon.h
@@ -0,0 +1,61 @@
+/** @file
+  HDD Password common header file.
+
+  Copyright (c) 2019, Intel Corporation. All rights reserved.<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
+  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 _HDD_PASSWORD_COMMON_H_
+#define _HDD_PASSWORD_COMMON_H_
+
+//
+// The payload length of HDD related ATA commands
+//
+#define HDD_PAYLOAD                     512
+
+#define ATA_SECURITY_SET_PASSWORD_CMD   0xF1
+#define ATA_SECURITY_UNLOCK_CMD         0xF2
+#define ATA_SECURITY_FREEZE_LOCK_CMD    0xF5
+#define ATA_SECURITY_DIS_PASSWORD_CMD   0xF6
+
+//
+// The max retry count specified in ATA 8 spec.
+//
+#define MAX_HDD_PASSWORD_RETRY_COUNT    5
+
+//
+// According to ATA spec, the max length of hdd password is 32 bytes
+//
+#define HDD_PASSWORD_MAX_LENGTH         32
+
+#define HDD_PASSWORD_DEVICE_INFO_GUID { 0x96d877ad, 0x48af, 0x4b39, { 0x9b, 0x27, 0x4d, 0x97, 0x43, 0x9, 0xae, 0x47 } }
+
+typedef struct {
+  UINT8             Bus;
+  UINT8             Device;
+  UINT8             Function;
+  UINT8             Reserved;
+  UINT16            Port;
+  UINT16            PortMultiplierPort;
+} HDD_PASSWORD_DEVICE;
+
+//
+// It will be used to unlock HDD password for S3.
+//
+typedef struct {
+  HDD_PASSWORD_DEVICE         Device;
+  CHAR8                       Password[HDD_PASSWORD_MAX_LENGTH];
+  UINT32                      DevicePathLength;
+  EFI_DEVICE_PATH_PROTOCOL    DevicePath[];
+} HDD_PASSWORD_DEVICE_INFO;
+
+#endif // _HDD_PASSWORD_COMMON_H_