X-Git-Url: https://git.proxmox.com/?a=blobdiff_plain;f=OvmfPkg%2FXenBusDxe%2FXenBusDxe.h;h=953e4b72e85e67992380e6a7a698b1ff89c22259;hb=9062ab47870ea728307e32cdd939586a4ec67fc6;hp=388d2996953ca3e278486dcf6bbdadc1c9d97e39;hpb=956622c4c9b25becf57ccc1771ffbc92b78ed005;p=mirror_edk2.git

diff --git a/OvmfPkg/XenBusDxe/XenBusDxe.h b/OvmfPkg/XenBusDxe/XenBusDxe.h
index 388d299695..953e4b72e8 100644
--- a/OvmfPkg/XenBusDxe/XenBusDxe.h
+++ b/OvmfPkg/XenBusDxe/XenBusDxe.h
@@ -39,12 +39,13 @@
 //
 // Consumed Protocols
 //
-#include <Protocol/PciIo.h>
+#include <Protocol/XenIo.h>
 
 
 //
 // Produced Protocols
 //
+#include <Protocol/XenBus.h>
 
 
 //
@@ -72,10 +73,7 @@ extern EFI_COMPONENT_NAME_PROTOCOL  gXenBusDxeComponentName;
 //
 #include <IndustryStandard/Xen/xen.h>
 
-#define PCI_VENDOR_ID_XEN                0x5853
-#define PCI_DEVICE_ID_XEN_PLATFORM       0x0001
-
-
+typedef struct _XENBUS_DEVICE_PATH XENBUS_DEVICE_PATH;
 typedef struct _XENBUS_DEVICE XENBUS_DEVICE;
 
 // Have the state of the driver.
@@ -84,11 +82,52 @@ struct _XENBUS_DEVICE {
   UINT32                        Signature;
   EFI_DRIVER_BINDING_PROTOCOL   *This;
   EFI_HANDLE                    ControllerHandle;
-  EFI_PCI_IO_PROTOCOL           *PciIo;
+  XENIO_PROTOCOL                *XenIo;
   EFI_EVENT                     ExitBootEvent;
+  EFI_DEVICE_PATH_PROTOCOL      *DevicePath;
+  LIST_ENTRY                    ChildList;
 
-  VOID                          *Hyperpage;
   shared_info_t                 *SharedInfo;
 };
 
+// There is one of this struct allocated for every child.
+#define XENBUS_PRIVATE_DATA_SIGNATURE SIGNATURE_32 ('X', 'B', 'p', 'd')
+typedef struct {
+    UINTN Signature;
+    LIST_ENTRY Link;
+    EFI_HANDLE Handle;
+    XENBUS_PROTOCOL XenBusIo;
+    XENBUS_DEVICE *Dev;
+    XENBUS_DEVICE_PATH *DevicePath;
+} XENBUS_PRIVATE_DATA;
+
+#define XENBUS_PRIVATE_DATA_FROM_THIS(a) \
+  CR (a, XENBUS_PRIVATE_DATA, XenBusIo, XENBUS_PRIVATE_DATA_SIGNATURE)
+#define XENBUS_PRIVATE_DATA_FROM_LINK(a) \
+  CR (a, XENBUS_PRIVATE_DATA, Link, XENBUS_PRIVATE_DATA_SIGNATURE)
+
+/*
+ * Helpers
+ */
+
+/**
+  Atomically test and clear a bit.
+
+  @param Bit      Bit index to test in *Address
+  @param Address  The Address to the buffer that contain the bit to test.
+
+  @return Value of the Bit before it was cleared.
+**/
+INT32
+EFIAPI
+TestAndClearBit (
+  IN INT32 Bit,
+  IN VOID  *Address
+  );
+
+CHAR8*
+AsciiStrDup (
+  IN CONST CHAR8* Str
+  );
+
 #endif