~ [ source navigation ] ~ [ diff markup ] ~ [ identifier search ] ~

TOMOYO Linux Cross Reference
Linux/include/linux/firmware.h

Version: ~ [ linux-5.15-rc1 ] ~ [ linux-5.14.5 ] ~ [ linux-5.13.18 ] ~ [ linux-5.12.19 ] ~ [ linux-5.11.22 ] ~ [ linux-5.10.66 ] ~ [ linux-5.9.16 ] ~ [ linux-5.8.18 ] ~ [ linux-5.7.19 ] ~ [ linux-5.6.19 ] ~ [ linux-5.5.19 ] ~ [ linux-5.4.147 ] ~ [ linux-5.3.18 ] ~ [ linux-5.2.21 ] ~ [ linux-5.1.21 ] ~ [ linux-5.0.21 ] ~ [ linux-4.20.17 ] ~ [ linux-4.19.206 ] ~ [ linux-4.18.20 ] ~ [ linux-4.17.19 ] ~ [ linux-4.16.18 ] ~ [ linux-4.15.18 ] ~ [ linux-4.14.246 ] ~ [ linux-4.13.16 ] ~ [ linux-4.12.14 ] ~ [ linux-4.11.12 ] ~ [ linux-4.10.17 ] ~ [ linux-4.9.282 ] ~ [ linux-4.8.17 ] ~ [ linux-4.7.10 ] ~ [ linux-4.6.7 ] ~ [ linux-4.5.7 ] ~ [ linux-4.4.283 ] ~ [ linux-4.3.6 ] ~ [ linux-4.2.8 ] ~ [ linux-4.1.52 ] ~ [ linux-4.0.9 ] ~ [ linux-3.18.140 ] ~ [ linux-3.16.85 ] ~ [ linux-3.14.79 ] ~ [ linux-3.12.74 ] ~ [ linux-3.10.108 ] ~ [ linux-2.6.32.71 ] ~ [ linux-2.6.0 ] ~ [ linux-2.4.37.11 ] ~ [ unix-v6-master ] ~ [ ccs-tools-1.8.5 ] ~ [ policy-sample ] ~
Architecture: ~ [ i386 ] ~ [ alpha ] ~ [ m68k ] ~ [ mips ] ~ [ ppc ] ~ [ sparc ] ~ [ sparc64 ] ~

  1 /* SPDX-License-Identifier: GPL-2.0 */
  2 #ifndef _LINUX_FIRMWARE_H
  3 #define _LINUX_FIRMWARE_H
  4 
  5 #include <linux/types.h>
  6 #include <linux/compiler.h>
  7 #include <linux/gfp.h>
  8 
  9 #define FW_ACTION_NOHOTPLUG 0
 10 #define FW_ACTION_HOTPLUG 1
 11 
 12 struct firmware {
 13         size_t size;
 14         const u8 *data;
 15 
 16         /* firmware loader private fields */
 17         void *priv;
 18 };
 19 
 20 struct module;
 21 struct device;
 22 
 23 struct builtin_fw {
 24         char *name;
 25         void *data;
 26         unsigned long size;
 27 };
 28 
 29 /* We have to play tricks here much like stringify() to get the
 30    __COUNTER__ macro to be expanded as we want it */
 31 #define __fw_concat1(x, y) x##y
 32 #define __fw_concat(x, y) __fw_concat1(x, y)
 33 
 34 #define DECLARE_BUILTIN_FIRMWARE(name, blob)                                 \
 35         DECLARE_BUILTIN_FIRMWARE_SIZE(name, &(blob), sizeof(blob))
 36 
 37 #define DECLARE_BUILTIN_FIRMWARE_SIZE(name, blob, size)                      \
 38         static const struct builtin_fw __fw_concat(__builtin_fw,__COUNTER__) \
 39         __used __section(".builtin_fw") = { name, blob, size }
 40 
 41 #if defined(CONFIG_FW_LOADER) || (defined(CONFIG_FW_LOADER_MODULE) && defined(MODULE))
 42 int request_firmware(const struct firmware **fw, const char *name,
 43                      struct device *device);
 44 int firmware_request_nowarn(const struct firmware **fw, const char *name,
 45                             struct device *device);
 46 int firmware_request_platform(const struct firmware **fw, const char *name,
 47                               struct device *device);
 48 int request_firmware_nowait(
 49         struct module *module, bool uevent,
 50         const char *name, struct device *device, gfp_t gfp, void *context,
 51         void (*cont)(const struct firmware *fw, void *context));
 52 int request_firmware_direct(const struct firmware **fw, const char *name,
 53                             struct device *device);
 54 int request_firmware_into_buf(const struct firmware **firmware_p,
 55         const char *name, struct device *device, void *buf, size_t size);
 56 int request_partial_firmware_into_buf(const struct firmware **firmware_p,
 57                                       const char *name, struct device *device,
 58                                       void *buf, size_t size, size_t offset);
 59 
 60 void release_firmware(const struct firmware *fw);
 61 #else
 62 static inline int request_firmware(const struct firmware **fw,
 63                                    const char *name,
 64                                    struct device *device)
 65 {
 66         return -EINVAL;
 67 }
 68 
 69 static inline int firmware_request_nowarn(const struct firmware **fw,
 70                                           const char *name,
 71                                           struct device *device)
 72 {
 73         return -EINVAL;
 74 }
 75 
 76 static inline int firmware_request_platform(const struct firmware **fw,
 77                                             const char *name,
 78                                             struct device *device)
 79 {
 80         return -EINVAL;
 81 }
 82 
 83 static inline int request_firmware_nowait(
 84         struct module *module, bool uevent,
 85         const char *name, struct device *device, gfp_t gfp, void *context,
 86         void (*cont)(const struct firmware *fw, void *context))
 87 {
 88         return -EINVAL;
 89 }
 90 
 91 static inline void release_firmware(const struct firmware *fw)
 92 {
 93 }
 94 
 95 static inline int request_firmware_direct(const struct firmware **fw,
 96                                           const char *name,
 97                                           struct device *device)
 98 {
 99         return -EINVAL;
100 }
101 
102 static inline int request_firmware_into_buf(const struct firmware **firmware_p,
103         const char *name, struct device *device, void *buf, size_t size)
104 {
105         return -EINVAL;
106 }
107 
108 static inline int request_partial_firmware_into_buf
109                                         (const struct firmware **firmware_p,
110                                          const char *name,
111                                          struct device *device,
112                                          void *buf, size_t size, size_t offset)
113 {
114         return -EINVAL;
115 }
116 
117 #endif
118 
119 int firmware_request_cache(struct device *device, const char *name);
120 
121 #endif
122 

~ [ source navigation ] ~ [ diff markup ] ~ [ identifier search ] ~

kernel.org | git.kernel.org | LWN.net | Project Home | Wiki (Japanese) | Wiki (English) | SVN repository | Mail admin

Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.

osdn.jp