The EFI API header is great, but missing a good chunk of function prototype, GUID defines and enum declarations.
This patch extends it to cover more of the EFI API. It's still not 100% complete, but sufficient enough for our EFI payload interface.
Signed-off-by: Alexander Graf agraf@suse.de
---
v2 -> v3:
- Add EFIAPI to notify_function - Add access denied code --- include/efi.h | 1 + include/efi_api.h | 198 ++++++++++++++++++++++++++++++++++++++++++++---------- 2 files changed, 162 insertions(+), 37 deletions(-)
diff --git a/include/efi.h b/include/efi.h index fcafda0..cce7020 100644 --- a/include/efi.h +++ b/include/efi.h @@ -38,6 +38,7 @@ struct efi_device_path; #define EFI_WRITE_PROTECTED (8 | (1UL << (BITS_PER_LONG - 1))) #define EFI_OUT_OF_RESOURCES (9 | (1UL << (BITS_PER_LONG - 1))) #define EFI_NOT_FOUND (14 | (1UL << (BITS_PER_LONG - 1))) +#define EFI_ACCESS_DENIED (15 | (1UL << (BITS_PER_LONG - 1))) #define EFI_SECURITY_VIOLATION (26 | (1UL << (BITS_PER_LONG - 1)))
typedef unsigned long efi_status_t; diff --git a/include/efi_api.h b/include/efi_api.h index 4fd17d6..03f6687 100644 --- a/include/efi_api.h +++ b/include/efi_api.h @@ -17,11 +17,18 @@
#include <efi.h>
+/* Types and defines for EFI CreateEvent */ +enum efi_event_type { + EFI_TIMER_STOP = 0, + EFI_TIMER_PERIODIC = 1, + EFI_TIMER_RELATIVE = 2 +}; + /* EFI Boot Services table */ struct efi_boot_services { struct efi_table_hdr hdr; - void *raise_tpl; - void *restore_tpl; + efi_status_t (EFIAPI *raise_tpl)(unsigned long new_tpl); + void (EFIAPI *restore_tpl)(unsigned long old_tpl);
efi_status_t (EFIAPI *allocate_pages)(int, int, unsigned long, efi_physical_addr_t *); @@ -32,21 +39,33 @@ struct efi_boot_services { efi_status_t (EFIAPI *allocate_pool)(int, unsigned long, void **); efi_status_t (EFIAPI *free_pool)(void *);
- void *create_event; - void *set_timer; - efi_status_t(EFIAPI *wait_for_event)(unsigned long number_of_events, - void *event, unsigned long *index); - void *signal_event; - void *close_event; - void *check_event; - - void *install_protocol_interface; - void *reinstall_protocol_interface; - void *uninstall_protocol_interface; + efi_status_t (EFIAPI *create_event)(enum efi_event_type type, + unsigned long notify_tpl, + void (EFIAPI *notify_function) (void *event, + void *context), + void *notify_context, void **event); + efi_status_t (EFIAPI *set_timer)(void *event, int type, + uint64_t trigger_time); + efi_status_t (EFIAPI *wait_for_event)(unsigned long number_of_events, + void *event, unsigned long *index); + efi_status_t (EFIAPI *signal_event)(void *event); + efi_status_t (EFIAPI *close_event)(void *event); + efi_status_t (EFIAPI *check_event)(void *event); + + efi_status_t (EFIAPI *install_protocol_interface)( + void **handle, efi_guid_t *protocol, + int protocol_interface_type, void *protocol_interface); + efi_status_t (EFIAPI *reinstall_protocol_interface)( + void *handle, efi_guid_t *protocol, + void *old_interface, void *new_interface); + efi_status_t (EFIAPI *uninstall_protocol_interface)(void *handle, + efi_guid_t *protocol, void *protocol_interface); efi_status_t (EFIAPI *handle_protocol)(efi_handle_t, efi_guid_t *, void **); void *reserved; - void *register_protocol_notify; + efi_status_t (EFIAPI *register_protocol_notify)( + efi_guid_t *protocol, void *event, + void **registration); efi_status_t (EFIAPI *locate_handle)( enum efi_locate_search_type search_type, efi_guid_t *protocol, void *search_key, @@ -54,7 +73,8 @@ struct efi_boot_services { efi_status_t (EFIAPI *locate_device_path)(efi_guid_t *protocol, struct efi_device_path **device_path, efi_handle_t *device); - void *install_configuration_table; + efi_status_t (EFIAPI *install_configuration_table)( + efi_guid_t *guid, void *table);
efi_status_t (EFIAPI *load_image)(bool boot_policiy, efi_handle_t parent_image, @@ -66,17 +86,20 @@ struct efi_boot_services { efi_status_t (EFIAPI *exit)(efi_handle_t handle, efi_status_t exit_status, unsigned long exitdata_size, s16 *exitdata); - void *unload_image; + efi_status_t (EFIAPI *unload_image)(void *image_handle); efi_status_t (EFIAPI *exit_boot_services)(efi_handle_t, unsigned long);
efi_status_t (EFIAPI *get_next_monotonic_count)(u64 *count); efi_status_t (EFIAPI *stall)(unsigned long usecs); - void *set_watchdog_timer; + efi_status_t (EFIAPI *set_watchdog_timer)(unsigned long timeout, + uint64_t watchdog_code, unsigned long data_size, + uint16_t *watchdog_data); efi_status_t(EFIAPI *connect_controller)(efi_handle_t controller_handle, efi_handle_t *driver_image_handle, struct efi_device_path *remaining_device_path, bool recursive); - void *disconnect_controller; + efi_status_t (EFIAPI *disconnect_controller)(void *controller_handle, + void *driver_image_handle, void *child_handle); #define EFI_OPEN_PROTOCOL_BY_HANDLE_PROTOCOL 0x00000001 #define EFI_OPEN_PROTOCOL_GET_PROTOCOL 0x00000002 #define EFI_OPEN_PROTOCOL_TEST_PROTOCOL 0x00000004 @@ -87,7 +110,9 @@ struct efi_boot_services { efi_guid_t *protocol, void **interface, efi_handle_t agent_handle, efi_handle_t controller_handle, u32 attributes); - void *close_protocol; + efi_status_t (EFIAPI *close_protocol)(void *handle, + efi_guid_t *protocol, void *agent_handle, + void *controller_handle); efi_status_t(EFIAPI *open_protocol_information)(efi_handle_t handle, efi_guid_t *protocol, struct efi_open_protocol_info_entry **entry_buffer, @@ -99,12 +124,18 @@ struct efi_boot_services { enum efi_locate_search_type search_type, efi_guid_t *protocol, void *search_key, unsigned long *no_handles, efi_handle_t **buffer); - void *locate_protocol; - void *install_multiple_protocol_interfaces; - void *uninstall_multiple_protocol_interfaces; - void *calculate_crc32; - void *copy_mem; - void *set_mem; + efi_status_t (EFIAPI *locate_protocol)(efi_guid_t *protocol, + void *registration, void **protocol_interface); + efi_status_t (EFIAPI *install_multiple_protocol_interfaces)( + void **handle, ...); + efi_status_t (EFIAPI *uninstall_multiple_protocol_interfaces)( + void *handle, ...); + efi_status_t (EFIAPI *calculate_crc32)(void *data, + unsigned long data_size, uint32_t *crc32); + void (EFIAPI *copy_mem)(void *destination, void *source, + unsigned long length); + void (EFIAPI *set_mem)(void *buffer, unsigned long size, + uint8_t value); void *create_event_ex; };
@@ -121,12 +152,19 @@ enum efi_reset_type {
struct efi_runtime_services { struct efi_table_hdr hdr; - void *get_time; - void *set_time; - void *get_wakeup_time; - void *set_wakeup_time; - void *set_virtual_address_map; - void *convert_pointer; + efi_status_t (EFIAPI *get_time)(struct efi_time *time, + struct efi_time_cap *capabilities); + efi_status_t (EFIAPI *set_time)(struct efi_time *time); + efi_status_t (EFIAPI *get_wakeup_time)(char *enabled, char *pending, + struct efi_time *time); + efi_status_t (EFIAPI *set_wakeup_time)(char enabled, + struct efi_time *time); + efi_status_t (EFIAPI *set_virtual_address_map)( + unsigned long memory_map_size, + unsigned long descriptor_size, + uint32_t descriptor_version, + struct efi_mem_desc *virtmap); + efi_status_t (*convert_pointer)(unsigned long dbg, void **address); efi_status_t (EFIAPI *get_variable)(s16 *variable_name, efi_guid_t *vendor, u32 *attributes, unsigned long *data_size, void *data); @@ -136,7 +174,8 @@ struct efi_runtime_services { efi_status_t (EFIAPI *set_variable)(s16 *variable_name, efi_guid_t *vendor, u32 attributes, unsigned long data_size, void *data); - void *get_next_high_mono_count; + efi_status_t (EFIAPI *get_next_high_mono_count)( + uint32_t *high_count); void (EFIAPI *reset_system)(enum efi_reset_type reset_type, efi_status_t reset_status, unsigned long data_size, void *reset_data); @@ -154,6 +193,18 @@ struct efi_runtime_services { EFI_GUID(0x5b1b31a1, 0x9562, 0x11d2, 0x8e, 0x3f, \ 0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b)
+#define EFI_FDT_GUID \ + EFI_GUID(0xb1b621d5, 0xf19c, 0x41a5, \ + 0x83, 0x0b, 0xd9, 0x15, 0x2c, 0x69, 0xaa, 0xe0) + +struct efi_configuration_table +{ + efi_guid_t guid; + void *table; +}; + +#define EFI_SYSTEM_TABLE_SIGNATURE ((u64)0x5453595320494249ULL) + struct efi_system_table { struct efi_table_hdr hdr; unsigned long fw_vendor; /* physical addr of wchar_t vendor string */ @@ -163,13 +214,17 @@ struct efi_system_table { unsigned long con_out_handle; struct efi_simple_text_output_protocol *con_out; unsigned long stderr_handle; - unsigned long std_err; + struct efi_simple_text_output_protocol *std_err; struct efi_runtime_services *runtime; struct efi_boot_services *boottime; unsigned long nr_tables; - unsigned long tables; + struct efi_configuration_table *tables; };
+#define LOADED_IMAGE_GUID \ + EFI_GUID(0x5b1b31a1, 0x9562, 0x11d2, \ + 0x8e, 0x3f, 0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b) + struct efi_loaded_image { u32 revision; void *parent_handle; @@ -186,12 +241,60 @@ struct efi_loaded_image { unsigned long unload; };
+#define DEVICE_PATH_GUID \ + EFI_GUID(0x09576e91, 0x6d3f, 0x11d2, \ + 0x8e, 0x39, 0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b ) + +#define DEVICE_PATH_TYPE_END 0x7f +# define DEVICE_PATH_SUB_TYPE_END 0xff + struct efi_device_path { u8 type; u8 sub_type; u16 length; };
+#define DEVICE_PATH_TYPE_MEDIA_DEVICE 0x04 +# define DEVICE_PATH_SUB_TYPE_FILE_PATH 0x04 + +struct efi_device_path_file_path { + struct efi_device_path dp; + u16 str[16]; +}; + +#define BLOCK_IO_GUID \ + EFI_GUID(0x964e5b21, 0x6459, 0x11d2, \ + 0x8e, 0x39, 0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b) + +struct efi_block_io_media +{ + u32 media_id; + char removable_media; + char media_present; + char logical_partition; + char read_only; + char write_caching; + u8 pad[3]; + u32 block_size; + u32 io_align; + u8 pad2[4]; + u64 last_block; +}; + +struct efi_block_io { + u64 revision; + struct efi_block_io_media *media; + efi_status_t (EFIAPI *reset)(struct efi_block_io *this, + char extended_verification); + efi_status_t (EFIAPI *read_blocks)(struct efi_block_io *this, + u32 media_id, u64 lba, unsigned long buffer_size, + void *buffer); + efi_status_t (EFIAPI *write_blocks)(struct efi_block_io *this, + u32 media_id, u64 lba, unsigned long buffer_size, + void *buffer); + efi_status_t (EFIAPI *flush_blocks)(struct efi_block_io *this); +}; + struct simple_text_output_mode { s32 max_mode; s32 mode; @@ -206,8 +309,9 @@ struct efi_simple_text_output_protocol { efi_status_t (EFIAPI *output_string)( struct efi_simple_text_output_protocol *this, const unsigned short *str); - void *test_string; - + efi_status_t (EFIAPI *test_string)( + struct efi_simple_text_output_protocol *this, + const unsigned short *str); efi_status_t(EFIAPI *query_mode)( struct efi_simple_text_output_protocol *this, unsigned long mode_number, unsigned long *columns, @@ -223,7 +327,9 @@ struct efi_simple_text_output_protocol { efi_status_t(EFIAPI *set_cursor_position) ( struct efi_simple_text_output_protocol *this, unsigned long column, unsigned long row); - efi_status_t(EFIAPI *enable_cursor)(void *, bool enable); + efi_status_t(EFIAPI *enable_cursor)( + struct efi_simple_text_output_protocol *this, + bool enable); struct simple_text_output_mode *mode; };
@@ -241,4 +347,22 @@ struct efi_simple_input_interface { void *wait_for_key; };
+#define CONSOLE_CONTROL_GUID \ + EFI_GUID(0xf42f7782, 0x12e, 0x4c12, \ + 0x99, 0x56, 0x49, 0xf9, 0x43, 0x4, 0xf7, 0x21) +#define EFI_CONSOLE_MODE_TEXT 0 +#define EFI_CONSOLE_MODE_GFX 1 + +struct efi_console_control_protocol +{ + efi_status_t (EFIAPI *get_mode)( + struct efi_console_control_protocol *this, int *mode, + char *uga_exists, char *std_in_locked); + efi_status_t (EFIAPI *set_mode)( + struct efi_console_control_protocol *this, int mode); + efi_status_t (EFIAPI *lock_std_in)( + struct efi_console_control_protocol *this, + uint16_t *password); +}; + #endif