Add qemu 2.4.0

[kvmfornfv.git] / qemu / roms / ipxe / src / include / ipxe / efi / efi_driver.h

diff --git a/qemu/roms/ipxe/src/include/ipxe/efi/efi_driver.h b/qemu/roms/ipxe/src/include/ipxe/efi/efi_driver.h
new file mode 100644 (file)
index 0000000..e16a24d
--- /dev/null
+++ b/qemu/roms/ipxe/src/include/ipxe/efi/efi_driver.h
@@ -0,0 +1,92 @@
+#ifndef _IPXE_EFI_DRIVER_H
+#define _IPXE_EFI_DRIVER_H
+
+/** @file
+ *
+ * EFI driver interface
+ */
+
+FILE_LICENCE ( GPL2_OR_LATER );
+
+#include <ipxe/device.h>
+#include <ipxe/tables.h>
+#include <ipxe/efi/efi.h>
+#include <ipxe/efi/Protocol/DevicePath.h>
+
+/** An EFI device */
+struct efi_device {
+       /** Generic device */
+       struct device dev;
+       /** EFI device handle */
+       EFI_HANDLE device;
+       /** Driver for this device */
+       struct efi_driver *driver;
+       /** Driver-private data */
+       void *priv;
+};
+
+/** An EFI driver */
+struct efi_driver {
+       /** Name */
+       const char *name;
+       /**
+        * Check if driver supports device
+        *
+        * @v device            EFI device handle
+        * @ret rc              Return status code
+        */
+       int ( * supported ) ( EFI_HANDLE device );
+       /**
+        * Attach driver to device
+        *
+        * @v efidev            EFI device
+        * @ret rc              Return status code
+        */
+       int ( * start ) ( struct efi_device *efidev );
+       /**
+        * Detach driver from device
+        *
+        * @v efidev            EFI device
+        */
+       void ( * stop ) ( struct efi_device *efidev );
+};
+
+/** EFI driver table */
+#define EFI_DRIVERS __table ( struct efi_driver, "efi_drivers" )
+
+/** Declare an EFI driver */
+#define __efi_driver( order ) __table_entry ( EFI_DRIVERS, order )
+
+#define EFI_DRIVER_EARLY       01      /**< Early drivers */
+#define EFI_DRIVER_NORMAL      02      /**< Normal drivers */
+#define EFI_DRIVER_LATE                03      /**< Late drivers */
+
+/**
+ * Set EFI driver-private data
+ *
+ * @v efidev           EFI device
+ * @v priv             Private data
+ */
+static inline void efidev_set_drvdata ( struct efi_device *efidev,
+                                       void *priv ) {
+       efidev->priv = priv;
+}
+
+/**
+ * Get EFI driver-private data
+ *
+ * @v efidev           EFI device
+ * @ret priv           Private data
+ */
+static inline void * efidev_get_drvdata ( struct efi_device *efidev ) {
+       return efidev->priv;
+}
+
+extern struct efi_device * efidev_parent ( struct device *dev );
+extern int efi_driver_install ( void );
+extern void efi_driver_uninstall ( void );
+extern int efi_driver_connect_all ( void );
+extern void efi_driver_disconnect_all ( void );
+extern void efi_driver_reconnect_all ( void );
+
+#endif /* _IPXE_EFI_DRIVER_H */