Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / include / linux / firmware.h

diff --git a/kernel/include/linux/firmware.h b/kernel/include/linux/firmware.h
new file mode 100644 (file)
index 0000000..5c41c5e
--- /dev/null
+++ b/kernel/include/linux/firmware.h
@@ -0,0 +1,79 @@
+#ifndef _LINUX_FIRMWARE_H
+#define _LINUX_FIRMWARE_H
+
+#include <linux/types.h>
+#include <linux/compiler.h>
+#include <linux/gfp.h>
+
+#define FW_ACTION_NOHOTPLUG 0
+#define FW_ACTION_HOTPLUG 1
+
+struct firmware {
+       size_t size;
+       const u8 *data;
+       struct page **pages;
+
+       /* firmware loader private fields */
+       void *priv;
+};
+
+struct module;
+struct device;
+
+struct builtin_fw {
+       char *name;
+       void *data;
+       unsigned long size;
+};
+
+/* We have to play tricks here much like stringify() to get the
+   __COUNTER__ macro to be expanded as we want it */
+#define __fw_concat1(x, y) x##y
+#define __fw_concat(x, y) __fw_concat1(x, y)
+
+#define DECLARE_BUILTIN_FIRMWARE(name, blob)                                \
+       DECLARE_BUILTIN_FIRMWARE_SIZE(name, &(blob), sizeof(blob))
+
+#define DECLARE_BUILTIN_FIRMWARE_SIZE(name, blob, size)                             \
+       static const struct builtin_fw __fw_concat(__builtin_fw,__COUNTER__) \
+       __used __section(.builtin_fw) = { name, blob, size }
+
+#if defined(CONFIG_FW_LOADER) || (defined(CONFIG_FW_LOADER_MODULE) && defined(MODULE))
+int request_firmware(const struct firmware **fw, const char *name,
+                    struct device *device);
+int request_firmware_nowait(
+       struct module *module, bool uevent,
+       const char *name, struct device *device, gfp_t gfp, void *context,
+       void (*cont)(const struct firmware *fw, void *context));
+int request_firmware_direct(const struct firmware **fw, const char *name,
+                           struct device *device);
+
+void release_firmware(const struct firmware *fw);
+#else
+static inline int request_firmware(const struct firmware **fw,
+                                  const char *name,
+                                  struct device *device)
+{
+       return -EINVAL;
+}
+static inline int request_firmware_nowait(
+       struct module *module, bool uevent,
+       const char *name, struct device *device, gfp_t gfp, void *context,
+       void (*cont)(const struct firmware *fw, void *context))
+{
+       return -EINVAL;
+}
+
+static inline void release_firmware(const struct firmware *fw)
+{
+}
+
+static inline int request_firmware_direct(const struct firmware **fw,
+                                         const char *name,
+                                         struct device *device)
+{
+       return -EINVAL;
+}
+
+#endif
+#endif