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/* SPDX-License-Identifier: GPL-2.0-only */
#ifndef __EFI_EFI_DEVICE_H
#define __EFI_EFI_DEVICE_H
struct efi_device {
struct device_d dev;
efi_guid_t *guids;
int num_guids;
efi_handle_t handle;
efi_handle_t parent_handle;
void *protocol;
struct efi_device_path *devpath;
};
struct efi_driver {
struct driver_d driver;
int (*probe)(struct efi_device *efidev);
void (*remove)(struct efi_device *efidev);
int (*dev_pause)(struct efi_device *efidev);
int (*dev_continue)(struct efi_device *efidev);
efi_guid_t guid;
};
extern struct bus_type efi_bus;
static inline struct efi_device *to_efi_device(struct device_d *dev)
{
return container_of(dev, struct efi_device, dev);
}
static inline struct efi_driver *to_efi_driver(struct driver_d *drv)
{
return container_of(drv, struct efi_driver, driver);
}
#define device_efi_driver(drv) \
register_driver_macro(device, efi, drv)
#define fs_efi_driver(drv) \
register_driver_macro(fs, efi, drv)
static inline int efi_driver_register(struct efi_driver *efidrv)
{
efidrv->driver.bus = &efi_bus;
return register_driver(&efidrv->driver);
}
int efi_connect_all(void);
void efi_register_devices(void);
struct efi_device *efi_get_bootsource(void);
void efi_pause_devices(void);
void efi_continue_devices(void);
static inline bool efi_device_has_guid(struct efi_device *efidev, efi_guid_t guid)
{
int i;
for (i = 0; i < efidev->num_guids; i++) {
if (!efi_guidcmp(efidev->guids[i], guid))
return true;
}
return false;
}
#endif /* __EFI_EFI_DEVICE_H */
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