cregit-Linux how code gets into the kernel

Release 4.15 include/linux/firmware.h

Directory: include/linux
/* SPDX-License-Identifier: GPL-2.0 */
#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);
int request_firmware_into_buf(const struct firmware **firmware_p,
	const char *name, struct device *device, void *buf, size_t size);

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; }

Contributors

PersonTokensPropCommitsCommitProp
James Bottomley28100.00%1100.00%
Total28100.00%1100.00%


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; }

Contributors

PersonTokensPropCommitsCommitProp
James Bottomley4992.45%133.33%
Johannes Berg35.66%133.33%
Bob Liu11.89%133.33%
Total53100.00%3100.00%


static inline void release_firmware(const struct firmware *fw) { }

Contributors

PersonTokensPropCommitsCommitProp
James Bottomley12100.00%1100.00%
Total12100.00%1100.00%


static inline int request_firmware_direct(const struct firmware **fw, const char *name, struct device *device) { return -EINVAL; }

Contributors

PersonTokensPropCommitsCommitProp
Takashi Iwai2071.43%150.00%
Luis R. Rodriguez828.57%150.00%
Total28100.00%2100.00%


static inline int request_firmware_into_buf(const struct firmware **firmware_p, const char *name, struct device *device, void *buf, size_t size) { return -EINVAL; }

Contributors

PersonTokensPropCommitsCommitProp
Stephen Boyd35100.00%1100.00%
Total35100.00%1100.00%

#endif #endif

Overall Contributors

PersonTokensPropCommitsCommitProp
James Bottomley10926.08%211.76%
Manuel Estrada Sainz9422.49%15.88%
David Woodhouse6816.27%317.65%
Stephen Boyd6315.07%15.88%
Luis R. Rodriguez296.94%15.88%
Takashi Iwai225.26%15.88%
Abhay Salunke92.15%15.88%
Johannes Berg92.15%15.88%
Ming Lei51.20%15.88%
Al Viro30.72%15.88%
Paul Gortmaker30.72%15.88%
Bob Liu20.48%15.88%
Greg Kroah-Hartman10.24%15.88%
Kay Sievers10.24%15.88%
Total418100.00%17100.00%
Directory: include/linux
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