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Diffstat (limited to 'drivers/firmware/efi/libstub/efistub.h')
-rw-r--r--drivers/firmware/efi/libstub/efistub.h143
1 files changed, 108 insertions, 35 deletions
diff --git a/drivers/firmware/efi/libstub/efistub.h b/drivers/firmware/efi/libstub/efistub.h
index eb03d5a9aac8..5b8f2c411ed8 100644
--- a/drivers/firmware/efi/libstub/efistub.h
+++ b/drivers/firmware/efi/libstub/efistub.h
@@ -29,6 +29,10 @@
#define EFI_ALLOC_ALIGN EFI_PAGE_SIZE
#endif
+#ifndef EFI_ALLOC_LIMIT
+#define EFI_ALLOC_LIMIT ULONG_MAX
+#endif
+
extern bool efi_nochunk;
extern bool efi_nokaslr;
extern int efi_loglevel;
@@ -44,15 +48,23 @@ efi_status_t __efiapi efi_pe_entry(efi_handle_t handle,
#ifndef ARCH_HAS_EFISTUB_WRAPPERS
-#define efi_is_native() (true)
-#define efi_bs_call(func, ...) efi_system_table->boottime->func(__VA_ARGS__)
-#define efi_rt_call(func, ...) efi_system_table->runtime->func(__VA_ARGS__)
-#define efi_dxe_call(func, ...) efi_dxe_table->func(__VA_ARGS__)
-#define efi_table_attr(inst, attr) (inst->attr)
-#define efi_call_proto(inst, func, ...) inst->func(inst, ##__VA_ARGS__)
+#define efi_is_native() (true)
+#define efi_table_attr(inst, attr) (inst)->attr
+#define efi_fn_call(inst, func, ...) (inst)->func(__VA_ARGS__)
#endif
+#define efi_call_proto(inst, func, ...) ({ \
+ __typeof__(inst) __inst = (inst); \
+ efi_fn_call(__inst, func, __inst, ##__VA_ARGS__); \
+})
+#define efi_bs_call(func, ...) \
+ efi_fn_call(efi_table_attr(efi_system_table, boottime), func, ##__VA_ARGS__)
+#define efi_rt_call(func, ...) \
+ efi_fn_call(efi_table_attr(efi_system_table, runtime), func, ##__VA_ARGS__)
+#define efi_dxe_call(func, ...) \
+ efi_fn_call(efi_dxe_table, func, ##__VA_ARGS__)
+
#define efi_info(fmt, ...) \
efi_printk(KERN_INFO fmt, ##__VA_ARGS__)
#define efi_warn(fmt, ...) \
@@ -179,6 +191,21 @@ union efi_device_path_to_text_protocol {
typedef union efi_device_path_to_text_protocol efi_device_path_to_text_protocol_t;
+union efi_device_path_from_text_protocol {
+ struct {
+ efi_device_path_protocol_t *
+ (__efiapi *convert_text_to_device_node)(const efi_char16_t *);
+ efi_device_path_protocol_t *
+ (__efiapi *convert_text_to_device_path)(const efi_char16_t *);
+ };
+ struct {
+ u32 convert_text_to_device_node;
+ u32 convert_text_to_device_path;
+ } mixed_mode;
+};
+
+typedef union efi_device_path_from_text_protocol efi_device_path_from_text_protocol_t;
+
typedef void *efi_event_t;
/* Note that notifications won't work in mixed mode */
typedef void (__efiapi *efi_event_notify_t)(efi_event_t, void *);
@@ -572,36 +599,63 @@ typedef struct {
efi_char16_t filename[];
} efi_file_info_t;
-typedef struct efi_file_protocol efi_file_protocol_t;
-
-struct efi_file_protocol {
- u64 revision;
- efi_status_t (__efiapi *open) (efi_file_protocol_t *,
- efi_file_protocol_t **,
- efi_char16_t *, u64, u64);
- efi_status_t (__efiapi *close) (efi_file_protocol_t *);
- efi_status_t (__efiapi *delete) (efi_file_protocol_t *);
- efi_status_t (__efiapi *read) (efi_file_protocol_t *,
- unsigned long *, void *);
- efi_status_t (__efiapi *write) (efi_file_protocol_t *,
- unsigned long, void *);
- efi_status_t (__efiapi *get_position)(efi_file_protocol_t *, u64 *);
- efi_status_t (__efiapi *set_position)(efi_file_protocol_t *, u64);
- efi_status_t (__efiapi *get_info) (efi_file_protocol_t *,
- efi_guid_t *, unsigned long *,
- void *);
- efi_status_t (__efiapi *set_info) (efi_file_protocol_t *,
- efi_guid_t *, unsigned long,
- void *);
- efi_status_t (__efiapi *flush) (efi_file_protocol_t *);
+typedef union efi_file_protocol efi_file_protocol_t;
+
+union efi_file_protocol {
+ struct {
+ u64 revision;
+ efi_status_t (__efiapi *open) (efi_file_protocol_t *,
+ efi_file_protocol_t **,
+ efi_char16_t *, u64,
+ u64);
+ efi_status_t (__efiapi *close) (efi_file_protocol_t *);
+ efi_status_t (__efiapi *delete) (efi_file_protocol_t *);
+ efi_status_t (__efiapi *read) (efi_file_protocol_t *,
+ unsigned long *,
+ void *);
+ efi_status_t (__efiapi *write) (efi_file_protocol_t *,
+ unsigned long, void *);
+ efi_status_t (__efiapi *get_position)(efi_file_protocol_t *,
+ u64 *);
+ efi_status_t (__efiapi *set_position)(efi_file_protocol_t *,
+ u64);
+ efi_status_t (__efiapi *get_info) (efi_file_protocol_t *,
+ efi_guid_t *,
+ unsigned long *,
+ void *);
+ efi_status_t (__efiapi *set_info) (efi_file_protocol_t *,
+ efi_guid_t *,
+ unsigned long,
+ void *);
+ efi_status_t (__efiapi *flush) (efi_file_protocol_t *);
+ };
+ struct {
+ u64 revision;
+ u32 open;
+ u32 close;
+ u32 delete;
+ u32 read;
+ u32 write;
+ u32 get_position;
+ u32 set_position;
+ u32 get_info;
+ u32 set_info;
+ u32 flush;
+ } mixed_mode;
};
-typedef struct efi_simple_file_system_protocol efi_simple_file_system_protocol_t;
+typedef union efi_simple_file_system_protocol efi_simple_file_system_protocol_t;
-struct efi_simple_file_system_protocol {
- u64 revision;
- int (__efiapi *open_volume)(efi_simple_file_system_protocol_t *,
- efi_file_protocol_t **);
+union efi_simple_file_system_protocol {
+ struct {
+ u64 revision;
+ efi_status_t (__efiapi *open_volume)(efi_simple_file_system_protocol_t *,
+ efi_file_protocol_t **);
+ };
+ struct {
+ u64 revision;
+ u32 open_volume;
+ } mixed_mode;
};
#define EFI_FILE_MODE_READ 0x0000000000000001
@@ -880,7 +934,10 @@ void efi_get_virtmap(efi_memory_desc_t *memory_map, unsigned long map_size,
efi_status_t efi_get_random_bytes(unsigned long size, u8 *out);
efi_status_t efi_random_alloc(unsigned long size, unsigned long align,
- unsigned long *addr, unsigned long random_seed);
+ unsigned long *addr, unsigned long random_seed,
+ int memory_type);
+
+efi_status_t efi_random_get_seed(void);
efi_status_t check_platform_features(void);
@@ -905,7 +962,8 @@ efi_status_t efi_allocate_pages(unsigned long size, unsigned long *addr,
unsigned long max);
efi_status_t efi_allocate_pages_aligned(unsigned long size, unsigned long *addr,
- unsigned long max, unsigned long align);
+ unsigned long max, unsigned long align,
+ int memory_type);
efi_status_t efi_low_alloc_above(unsigned long size, unsigned long align,
unsigned long *addr, unsigned long min);
@@ -958,6 +1016,14 @@ efi_status_t handle_kernel_image(unsigned long *image_addr,
efi_loaded_image_t *image,
efi_handle_t image_handle);
+/* shared entrypoint between the normal stub and the zboot stub */
+efi_status_t efi_stub_common(efi_handle_t handle,
+ efi_loaded_image_t *image,
+ unsigned long image_addr,
+ char *cmdline_ptr);
+
+efi_status_t efi_handle_cmdline(efi_loaded_image_t *image, char **cmdline_ptr);
+
asmlinkage void __noreturn efi_enter_kernel(unsigned long entrypoint,
unsigned long fdt_addr,
unsigned long fdt_size);
@@ -975,6 +1041,13 @@ efi_enable_reset_attack_mitigation(void) { }
void efi_retrieve_tpm2_eventlog(void);
+struct screen_info *alloc_screen_info(void);
+void free_screen_info(struct screen_info *si);
+
+void efi_cache_sync_image(unsigned long image_base,
+ unsigned long alloc_size,
+ unsigned long code_size);
+
struct efi_smbios_record {
u8 type;
u8 length;
generated by cgit v1.2.3 (git 2.39.0) at 2025-02-08 07:36:21 +0300