CryptoPkg CLANG35: add -std=c99 to dodge OpenSSL C atomics issue

[mirror_edk2.git] / OvmfPkg / XenBusDxe / XenBusDxe.h

diff --git a/OvmfPkg/XenBusDxe/XenBusDxe.h b/OvmfPkg/XenBusDxe/XenBusDxe.h
index bcd9f3cef361607614708518453d525c0a38621c..8510361bca8637ea88a12d92f8c4674d844cc617 100644 (file)
--- a/OvmfPkg/XenBusDxe/XenBusDxe.h
+++ b/OvmfPkg/XenBusDxe/XenBusDxe.h
@@ -3,13 +3,7 @@
 \r
   Copyright (C) 2014, Citrix Ltd.\r
 \r
-  This program and the accompanying materials\r
-  are licensed and made available under the terms and conditions of the BSD License\r
-  which accompanies this distribution.  The full text of the license may be found at\r
-  http://opensource.org/licenses/bsd-license.php\r
-\r
-  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
-  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
+  SPDX-License-Identifier: BSD-2-Clause-Patent\r
 \r
 **/\r
 \r
@@ -39,12 +33,13 @@
 //\r
 // Consumed Protocols\r
 //\r
-#include <Protocol/PciIo.h>\r
+#include <Protocol/XenIo.h>\r
 \r
 \r
 //\r
 // Produced Protocols\r
 //\r
+#include <Protocol/XenBus.h>\r
 \r
 \r
 //\r
@@ -70,8 +65,63 @@ extern EFI_COMPONENT_NAME_PROTOCOL  gXenBusDxeComponentName;
 //\r
 // Other stuff\r
 //\r
-#define PCI_VENDOR_ID_XEN                0x5853\r
-#define PCI_DEVICE_ID_XEN_PLATFORM       0x0001\r
-\r
+#include <IndustryStandard/Xen/xen.h>\r
+\r
+typedef struct _XENBUS_DEVICE_PATH XENBUS_DEVICE_PATH;\r
+typedef struct _XENBUS_DEVICE XENBUS_DEVICE;\r
+\r
+// Have the state of the driver.\r
+#define XENBUS_DEVICE_SIGNATURE SIGNATURE_32 ('X','B','s','t')\r
+struct _XENBUS_DEVICE {\r
+  UINT32                        Signature;\r
+  EFI_DRIVER_BINDING_PROTOCOL   *This;\r
+  EFI_HANDLE                    ControllerHandle;\r
+  XENIO_PROTOCOL                *XenIo;\r
+  EFI_EVENT                     ExitBootEvent;\r
+  EFI_DEVICE_PATH_PROTOCOL      *DevicePath;\r
+  LIST_ENTRY                    ChildList;\r
+\r
+  shared_info_t                 *SharedInfo;\r
+};\r
+\r
+// There is one of this struct allocated for every child.\r
+#define XENBUS_PRIVATE_DATA_SIGNATURE SIGNATURE_32 ('X', 'B', 'p', 'd')\r
+typedef struct {\r
+    UINTN Signature;\r
+    LIST_ENTRY Link;\r
+    EFI_HANDLE Handle;\r
+    XENBUS_PROTOCOL XenBusIo;\r
+    XENBUS_DEVICE *Dev;\r
+    XENBUS_DEVICE_PATH *DevicePath;\r
+} XENBUS_PRIVATE_DATA;\r
+\r
+#define XENBUS_PRIVATE_DATA_FROM_THIS(a) \\r
+  CR (a, XENBUS_PRIVATE_DATA, XenBusIo, XENBUS_PRIVATE_DATA_SIGNATURE)\r
+#define XENBUS_PRIVATE_DATA_FROM_LINK(a) \\r
+  CR (a, XENBUS_PRIVATE_DATA, Link, XENBUS_PRIVATE_DATA_SIGNATURE)\r
+\r
+/*\r
+ * Helpers\r
+ */\r
+\r
+/**\r
+  Atomically test and clear a bit.\r
+\r
+  @param Bit      Bit index to test in *Address\r
+  @param Address  The Address to the buffer that contain the bit to test.\r
+\r
+  @return Value of the Bit before it was cleared.\r
+**/\r
+INT32\r
+EFIAPI\r
+TestAndClearBit (\r
+  IN INT32 Bit,\r
+  IN VOID  *Address\r
+  );\r
+\r
+CHAR8*\r
+AsciiStrDup (\r
+  IN CONST CHAR8* Str\r
+  );\r
 \r
 #endif\r