diff options
Diffstat (limited to 'include/linux/efi.h')
| -rw-r--r-- | include/linux/efi.h | 26 |
1 files changed, 20 insertions, 6 deletions
diff --git a/include/linux/efi.h b/include/linux/efi.h index 845174e113ce..becd5d76a207 100644 --- a/include/linux/efi.h +++ b/include/linux/efi.h @@ -1000,13 +1000,11 @@ extern void efi_memmap_walk (efi_freemem_callback_t callback, void *arg); extern void efi_gettimeofday (struct timespec64 *ts); extern void efi_enter_virtual_mode (void); /* switch EFI to virtual mode, if possible */ #ifdef CONFIG_X86 -extern void efi_free_boot_services(void); extern efi_status_t efi_query_variable_store(u32 attributes, unsigned long size, bool nonblocking); extern void efi_find_mirror(void); #else -static inline void efi_free_boot_services(void) {} static inline efi_status_t efi_query_variable_store(u32 attributes, unsigned long size, @@ -1046,7 +1044,6 @@ extern void efi_mem_reserve(phys_addr_t addr, u64 size); extern int efi_mem_reserve_persistent(phys_addr_t addr, u64 size); extern void efi_initialize_iomem_resources(struct resource *code_resource, struct resource *data_resource, struct resource *bss_resource); -extern void efi_reserve_boot_services(void); extern int efi_get_fdt_params(struct efi_fdt_params *params); extern struct kobject *efi_kobj; @@ -1167,6 +1164,8 @@ static inline bool efi_enabled(int feature) extern void efi_reboot(enum reboot_mode reboot_mode, const char *__unused); extern bool efi_is_table_address(unsigned long phys_addr); + +extern int efi_apply_persistent_mem_reservations(void); #else static inline bool efi_enabled(int feature) { @@ -1185,6 +1184,11 @@ static inline bool efi_is_table_address(unsigned long phys_addr) { return false; } + +static inline int efi_apply_persistent_mem_reservations(void) +{ + return 0; +} #endif extern int efi_status_to_err(efi_status_t status); @@ -1708,9 +1712,19 @@ extern struct efi_runtime_work efi_rts_work; extern struct workqueue_struct *efi_rts_wq; struct linux_efi_memreserve { - phys_addr_t next; - phys_addr_t base; - phys_addr_t size; + int size; // allocated size of the array + atomic_t count; // number of entries used + phys_addr_t next; // pa of next struct instance + struct { + phys_addr_t base; + phys_addr_t size; + } entry[0]; }; +#define EFI_MEMRESERVE_SIZE(count) (sizeof(struct linux_efi_memreserve) + \ + (count) * sizeof(((struct linux_efi_memreserve *)0)->entry[0])) + +#define EFI_MEMRESERVE_COUNT(size) (((size) - sizeof(struct linux_efi_memreserve)) \ + / sizeof(((struct linux_efi_memreserve *)0)->entry[0])) + #endif /* _LINUX_EFI_H */ |