Commit 677703ce authored by Matt Fleming's avatar Matt Fleming
Browse files

efi: Add separate 32-bit/64-bit definitions 



The traditional approach of using machine-specific types such as
'unsigned long' does not allow the kernel to interact with firmware
running in a different CPU mode, e.g. 64-bit kernel with 32-bit EFI.

Add distinct EFI structure definitions for both 32-bit and 64-bit so
that we can use them in the 32-bit and 64-bit code paths.

Acked-by: default avatarBorislav Petkov <bp@suse.de>
Signed-off-by: default avatarMatt Fleming <matt.fleming@intel.com>
parent 099240ac

arch/x86/boot/compressed/eboot.h

+44 −0
Original line number Diff line number Diff line
@@ -37,6 +37,24 @@ struct efi_graphics_output_mode_info { 
	u32 pixels_per_scan_line;

} __packed;



struct efi_graphics_output_protocol_mode_32 {

	u32 max_mode;

	u32 mode;

	u32 info;

	u32 size_of_info;

	u64 frame_buffer_base;

	u32 frame_buffer_size;

} __packed;



struct efi_graphics_output_protocol_mode_64 {

	u32 max_mode;

	u32 mode;

	u64 info;

	u64 size_of_info;

	u64 frame_buffer_base;

	u64 frame_buffer_size;

} __packed;



struct efi_graphics_output_protocol_mode {

	u32 max_mode;

	u32 mode;
@@ -46,6 +64,20 @@ struct efi_graphics_output_protocol_mode { 
	unsigned long frame_buffer_size;

} __packed;



struct efi_graphics_output_protocol_32 {

	u32 query_mode;

	u32 set_mode;

	u32 blt;

	u32 mode;

};



struct efi_graphics_output_protocol_64 {

	u64 query_mode;

	u64 set_mode;

	u64 blt;

	u64 mode;

};



struct efi_graphics_output_protocol {

	void *query_mode;

	unsigned long set_mode;
@@ -53,6 +85,18 @@ struct efi_graphics_output_protocol { 
	struct efi_graphics_output_protocol_mode *mode;

};



struct efi_uga_draw_protocol_32 {

	u32 get_mode;

	u32 set_mode;

	u32 blt;

};



struct efi_uga_draw_protocol_64 {

	u64 get_mode;

	u64 set_mode;

	u64 blt;

};



struct efi_uga_draw_protocol {

	void *get_mode;

	void *set_mode;

include/linux/efi.h

+252 −0
Original line number Diff line number Diff line
@@ -153,6 +153,102 @@ typedef struct { 
	u8 sets_to_zero;

} efi_time_cap_t;



typedef struct {

	efi_table_hdr_t hdr;

	u32 raise_tpl;

	u32 restore_tpl;

	u32 allocate_pages;

	u32 free_pages;

	u32 get_memory_map;

	u32 allocate_pool;

	u32 free_pool;

	u32 create_event;

	u32 set_timer;

	u32 wait_for_event;

	u32 signal_event;

	u32 close_event;

	u32 check_event;

	u32 install_protocol_interface;

	u32 reinstall_protocol_interface;

	u32 uninstall_protocol_interface;

	u32 handle_protocol;

	u32 __reserved;

	u32 register_protocol_notify;

	u32 locate_handle;

	u32 locate_device_path;

	u32 install_configuration_table;

	u32 load_image;

	u32 start_image;

	u32 exit;

	u32 unload_image;

	u32 exit_boot_services;

	u32 get_next_monotonic_count;

	u32 stall;

	u32 set_watchdog_timer;

	u32 connect_controller;

	u32 disconnect_controller;

	u32 open_protocol;

	u32 close_protocol;

	u32 open_protocol_information;

	u32 protocols_per_handle;

	u32 locate_handle_buffer;

	u32 locate_protocol;

	u32 install_multiple_protocol_interfaces;

	u32 uninstall_multiple_protocol_interfaces;

	u32 calculate_crc32;

	u32 copy_mem;

	u32 set_mem;

	u32 create_event_ex;

} __packed efi_boot_services_32_t;



typedef struct {

	efi_table_hdr_t hdr;

	u64 raise_tpl;

	u64 restore_tpl;

	u64 allocate_pages;

	u64 free_pages;

	u64 get_memory_map;

	u64 allocate_pool;

	u64 free_pool;

	u64 create_event;

	u64 set_timer;

	u64 wait_for_event;

	u64 signal_event;

	u64 close_event;

	u64 check_event;

	u64 install_protocol_interface;

	u64 reinstall_protocol_interface;

	u64 uninstall_protocol_interface;

	u64 handle_protocol;

	u64 __reserved;

	u64 register_protocol_notify;

	u64 locate_handle;

	u64 locate_device_path;

	u64 install_configuration_table;

	u64 load_image;

	u64 start_image;

	u64 exit;

	u64 unload_image;

	u64 exit_boot_services;

	u64 get_next_monotonic_count;

	u64 stall;

	u64 set_watchdog_timer;

	u64 connect_controller;

	u64 disconnect_controller;

	u64 open_protocol;

	u64 close_protocol;

	u64 open_protocol_information;

	u64 protocols_per_handle;

	u64 locate_handle_buffer;

	u64 locate_protocol;

	u64 install_multiple_protocol_interfaces;

	u64 uninstall_multiple_protocol_interfaces;

	u64 calculate_crc32;

	u64 copy_mem;

	u64 set_mem;

	u64 create_event_ex;

} __packed efi_boot_services_64_t;



/*

 * EFI Boot Services table

 */
@@ -231,12 +327,61 @@ typedef enum { 
    EfiPciIoAttributeOperationMaximum

} EFI_PCI_IO_PROTOCOL_ATTRIBUTE_OPERATION;



typedef struct {

	u32 read;

	u32 write;

} efi_pci_io_protocol_access_32_t;



typedef struct {

	u64 read;

	u64 write;

} efi_pci_io_protocol_access_64_t;



typedef struct {

	void *read;

	void *write;

} efi_pci_io_protocol_access_t;



typedef struct {

	u32 poll_mem;

	u32 poll_io;

	efi_pci_io_protocol_access_32_t mem;

	efi_pci_io_protocol_access_32_t io;

	efi_pci_io_protocol_access_32_t pci;

	u32 copy_mem;

	u32 map;

	u32 unmap;

	u32 allocate_buffer;

	u32 free_buffer;

	u32 flush;

	u32 get_location;

	u32 attributes;

	u32 get_bar_attributes;

	u32 set_bar_attributes;

	uint64_t romsize;

	void *romimage;

} efi_pci_io_protocol_32;



typedef struct {

	u64 poll_mem;

	u64 poll_io;

	efi_pci_io_protocol_access_64_t mem;

	efi_pci_io_protocol_access_64_t io;

	efi_pci_io_protocol_access_64_t pci;

	u64 copy_mem;

	u64 map;

	u64 unmap;

	u64 allocate_buffer;

	u64 free_buffer;

	u64 flush;

	u64 get_location;

	u64 attributes;

	u64 get_bar_attributes;

	u64 set_bar_attributes;

	uint64_t romsize;

	void *romimage;

} efi_pci_io_protocol_64;



typedef struct {

	void *poll_mem;

	void *poll_io;
@@ -290,6 +435,42 @@ typedef struct { 
#define EFI_RUNTIME_SERVICES_SIGNATURE ((u64)0x5652453544e5552ULL)

#define EFI_RUNTIME_SERVICES_REVISION  0x00010000



typedef struct {

	efi_table_hdr_t hdr;

	u32 get_time;

	u32 set_time;

	u32 get_wakeup_time;

	u32 set_wakeup_time;

	u32 set_virtual_address_map;

	u32 convert_pointer;

	u32 get_variable;

	u32 get_next_variable;

	u32 set_variable;

	u32 get_next_high_mono_count;

	u32 reset_system;

	u32 update_capsule;

	u32 query_capsule_caps;

	u32 query_variable_info;

} efi_runtime_services_32_t;



typedef struct {

	efi_table_hdr_t hdr;

	u64 get_time;

	u64 set_time;

	u64 get_wakeup_time;

	u64 set_wakeup_time;

	u64 set_virtual_address_map;

	u64 convert_pointer;

	u64 get_variable;

	u64 get_next_variable;

	u64 set_variable;

	u64 get_next_high_mono_count;

	u64 reset_system;

	u64 update_capsule;

	u64 query_capsule_caps;

	u64 query_variable_info;

} efi_runtime_services_64_t;



typedef struct {

	efi_table_hdr_t hdr;

	void *get_time;
@@ -483,6 +664,38 @@ struct efi_memory_map { 
	unsigned long desc_size;

};



typedef struct {

	u32 revision;

	u32 parent_handle;

	u32 system_table;

	u32 device_handle;

	u32 file_path;

	u32 reserved;

	u32 load_options_size;

	u32 load_options;

	u32 image_base;

	__aligned_u64 image_size;

	unsigned int image_code_type;

	unsigned int image_data_type;

	unsigned long unload;

} efi_loaded_image_32_t;



typedef struct {

	u32 revision;

	u64 parent_handle;

	u64 system_table;

	u64 device_handle;

	u64 file_path;

	u64 reserved;

	u32 load_options_size;

	u64 load_options;

	u64 image_base;

	__aligned_u64 image_size;

	unsigned int image_code_type;

	unsigned int image_data_type;

	unsigned long unload;

} efi_loaded_image_64_t;



typedef struct {

	u32 revision;

	void *parent_handle;
@@ -511,6 +724,34 @@ typedef struct { 
	efi_char16_t filename[1];

} efi_file_info_t;



typedef 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;

} efi_file_handle_32_t;



typedef struct {

	u64 revision;

	u64 open;

	u64 close;

	u64 delete;

	u64 read;

	u64 write;

	u64 get_position;

	u64 set_position;

	u64 get_info;

	u64 set_info;

	u64 flush;

} efi_file_handle_64_t;



typedef struct _efi_file_handle {

	u64 revision;

	efi_status_t (*open)(struct _efi_file_handle *,
@@ -809,6 +1050,17 @@ struct efivar_entry { 
	bool deleting;

};



struct efi_simple_text_output_protocol_32 {

	u32 reset;

	u32 output_string;

	u32 test_string;

};



struct efi_simple_text_output_protocol_64 {

	u64 reset;

	u64 output_string;

	u64 test_string;

};



struct efi_simple_text_output_protocol {

	void *reset;

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