From 8166ec091573fad528d884ede291fd1ec02d0298 Mon Sep 17 00:00:00 2001
From: Ard Biesheuvel <ardb@kernel.org>
Date: Mon, 10 Feb 2020 17:02:38 +0100
Subject: efi/libstub: Move stub specific declarations into efistub.h

Move all the declarations that are only used in stub code from
linux/efi.h to efistub.h which is only included locally.

Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
---
 include/linux/efi.h | 456 +---------------------------------------------------
 1 file changed, 1 insertion(+), 455 deletions(-)

(limited to 'include/linux/efi.h')

diff --git a/include/linux/efi.h b/include/linux/efi.h
index 2b228df18407..0e047d2738cd 100644
--- a/include/linux/efi.h
+++ b/include/linux/efi.h
@@ -56,19 +56,6 @@ typedef void *efi_handle_t;
 #define __efiapi
 #endif
 
-#define efi_get_handle_at(array, idx)					\
-	(efi_is_native() ? (array)[idx] 				\
-		: (efi_handle_t)(unsigned long)((u32 *)(array))[idx])
-
-#define efi_get_handle_num(size)					\
-	((size) / (efi_is_native() ? sizeof(efi_handle_t) : sizeof(u32)))
-
-#define for_each_efi_handle(handle, array, size, i)			\
-	for (i = 0;							\
-	     i < efi_get_handle_num(size) &&				\
-		((handle = efi_get_handle_at((array), i)) || true);	\
-	     i++)
-
 /*
  * The UEFI spec and EDK2 reference implementation both define EFI_GUID as
  * struct { u32 a; u16; b; u16 c; u8 d[8]; }; and so the implied alignment
@@ -157,15 +144,6 @@ typedef struct {
 	u32 imagesize;
 } efi_capsule_header_t;
 
-struct efi_boot_memmap {
-	efi_memory_desc_t	**map;
-	unsigned long		*map_size;
-	unsigned long		*desc_size;
-	u32			*desc_ver;
-	unsigned long		*key_ptr;
-	unsigned long		*buff_size;
-};
-
 /*
  * EFI capsule flags
  */
@@ -187,14 +165,6 @@ struct capsule_info {
 
 int __efi_capsule_setup_info(struct capsule_info *cap_info);
 
-/*
- * Allocation types for calls to boottime->allocate_pages.
- */
-#define EFI_ALLOCATE_ANY_PAGES		0
-#define EFI_ALLOCATE_MAX_ADDRESS	1
-#define EFI_ALLOCATE_ADDRESS		2
-#define EFI_MAX_ALLOCATE_TYPE		3
-
 typedef int (*efi_freemem_callback_t) (u64 start, u64 end, void *arg);
 
 /*
@@ -224,291 +194,7 @@ 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;
-
-/*
- * EFI Boot Services table
- */
-typedef union {
-	struct {
-		efi_table_hdr_t hdr;
-		void *raise_tpl;
-		void *restore_tpl;
-		efi_status_t (__efiapi *allocate_pages)(int, int, unsigned long,
-							efi_physical_addr_t *);
-		efi_status_t (__efiapi *free_pages)(efi_physical_addr_t,
-						    unsigned long);
-		efi_status_t (__efiapi *get_memory_map)(unsigned long *, void *,
-							unsigned long *,
-							unsigned long *, u32 *);
-		efi_status_t (__efiapi *allocate_pool)(int, unsigned long,
-						       void **);
-		efi_status_t (__efiapi *free_pool)(void *);
-		void *create_event;
-		void *set_timer;
-		void *wait_for_event;
-		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 *handle_protocol)(efi_handle_t,
-							 efi_guid_t *, void **);
-		void *__reserved;
-		void *register_protocol_notify;
-		efi_status_t (__efiapi *locate_handle)(int, efi_guid_t *,
-						       void *, unsigned long *,
-						       efi_handle_t *);
-		void *locate_device_path;
-		efi_status_t (__efiapi *install_configuration_table)(efi_guid_t *,
-								     void *);
-		void *load_image;
-		void *start_image;
-		void *exit;
-		void *unload_image;
-		efi_status_t (__efiapi *exit_boot_services)(efi_handle_t,
-							    unsigned long);
-		void *get_next_monotonic_count;
-		void *stall;
-		void *set_watchdog_timer;
-		void *connect_controller;
-		efi_status_t (__efiapi *disconnect_controller)(efi_handle_t,
-							       efi_handle_t,
-							       efi_handle_t);
-		void *open_protocol;
-		void *close_protocol;
-		void *open_protocol_information;
-		void *protocols_per_handle;
-		void *locate_handle_buffer;
-		efi_status_t (__efiapi *locate_protocol)(efi_guid_t *, void *,
-							 void **);
-		void *install_multiple_protocol_interfaces;
-		void *uninstall_multiple_protocol_interfaces;
-		void *calculate_crc32;
-		void *copy_mem;
-		void *set_mem;
-		void *create_event_ex;
-	};
-	efi_boot_services_32_t mixed_mode;
-} efi_boot_services_t;
-
-typedef enum {
-	EfiPciIoWidthUint8,
-	EfiPciIoWidthUint16,
-	EfiPciIoWidthUint32,
-	EfiPciIoWidthUint64,
-	EfiPciIoWidthFifoUint8,
-	EfiPciIoWidthFifoUint16,
-	EfiPciIoWidthFifoUint32,
-	EfiPciIoWidthFifoUint64,
-	EfiPciIoWidthFillUint8,
-	EfiPciIoWidthFillUint16,
-	EfiPciIoWidthFillUint32,
-	EfiPciIoWidthFillUint64,
-	EfiPciIoWidthMaximum
-} EFI_PCI_IO_PROTOCOL_WIDTH;
-
-typedef enum {
-	EfiPciIoAttributeOperationGet,
-	EfiPciIoAttributeOperationSet,
-	EfiPciIoAttributeOperationEnable,
-	EfiPciIoAttributeOperationDisable,
-	EfiPciIoAttributeOperationSupported,
-    EfiPciIoAttributeOperationMaximum
-} EFI_PCI_IO_PROTOCOL_ATTRIBUTE_OPERATION;
-
-typedef struct {
-	u32 read;
-	u32 write;
-} efi_pci_io_protocol_access_32_t;
-
-typedef union efi_pci_io_protocol efi_pci_io_protocol_t;
-
-typedef
-efi_status_t (__efiapi *efi_pci_io_protocol_cfg_t)(efi_pci_io_protocol_t *,
-						   EFI_PCI_IO_PROTOCOL_WIDTH,
-						   u32 offset,
-						   unsigned long count,
-						   void *buffer);
-
-typedef struct {
-	void *read;
-	void *write;
-} efi_pci_io_protocol_access_t;
-
-typedef struct {
-	efi_pci_io_protocol_cfg_t read;
-	efi_pci_io_protocol_cfg_t write;
-} efi_pci_io_protocol_config_access_t;
-
-union efi_pci_io_protocol {
-	struct {
-		void *poll_mem;
-		void *poll_io;
-		efi_pci_io_protocol_access_t mem;
-		efi_pci_io_protocol_access_t io;
-		efi_pci_io_protocol_config_access_t pci;
-		void *copy_mem;
-		void *map;
-		void *unmap;
-		void *allocate_buffer;
-		void *free_buffer;
-		void *flush;
-		efi_status_t (__efiapi *get_location)(efi_pci_io_protocol_t *,
-						      unsigned long *segment_nr,
-						      unsigned long *bus_nr,
-						      unsigned long *device_nr,
-						      unsigned long *func_nr);
-		void *attributes;
-		void *get_bar_attributes;
-		void *set_bar_attributes;
-		uint64_t romsize;
-		void *romimage;
-	};
-	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;
-		u64 romsize;
-		u32 romimage;
-	} mixed_mode;
-};
-
-#define EFI_PCI_IO_ATTRIBUTE_ISA_MOTHERBOARD_IO 0x0001
-#define EFI_PCI_IO_ATTRIBUTE_ISA_IO 0x0002
-#define EFI_PCI_IO_ATTRIBUTE_VGA_PALETTE_IO 0x0004
-#define EFI_PCI_IO_ATTRIBUTE_VGA_MEMORY 0x0008
-#define EFI_PCI_IO_ATTRIBUTE_VGA_IO 0x0010
-#define EFI_PCI_IO_ATTRIBUTE_IDE_PRIMARY_IO 0x0020
-#define EFI_PCI_IO_ATTRIBUTE_IDE_SECONDARY_IO 0x0040
-#define EFI_PCI_IO_ATTRIBUTE_MEMORY_WRITE_COMBINE 0x0080
-#define EFI_PCI_IO_ATTRIBUTE_IO 0x0100
-#define EFI_PCI_IO_ATTRIBUTE_MEMORY 0x0200
-#define EFI_PCI_IO_ATTRIBUTE_BUS_MASTER 0x0400
-#define EFI_PCI_IO_ATTRIBUTE_MEMORY_CACHED 0x0800
-#define EFI_PCI_IO_ATTRIBUTE_MEMORY_DISABLE 0x1000
-#define EFI_PCI_IO_ATTRIBUTE_EMBEDDED_DEVICE 0x2000
-#define EFI_PCI_IO_ATTRIBUTE_EMBEDDED_ROM 0x4000
-#define EFI_PCI_IO_ATTRIBUTE_DUAL_ADDRESS_CYCLE 0x8000
-#define EFI_PCI_IO_ATTRIBUTE_ISA_IO_16 0x10000
-#define EFI_PCI_IO_ATTRIBUTE_VGA_PALETTE_IO_16 0x20000
-#define EFI_PCI_IO_ATTRIBUTE_VGA_IO_16 0x40000
-
-struct efi_dev_path;
-
-typedef union apple_properties_protocol apple_properties_protocol_t;
-
-union apple_properties_protocol {
-	struct {
-		unsigned long version;
-		efi_status_t (__efiapi *get)(apple_properties_protocol_t *,
-					     struct efi_dev_path *,
-					     efi_char16_t *, void *, u32 *);
-		efi_status_t (__efiapi *set)(apple_properties_protocol_t *,
-					     struct efi_dev_path *,
-					     efi_char16_t *, void *, u32);
-		efi_status_t (__efiapi *del)(apple_properties_protocol_t *,
-					     struct efi_dev_path *,
-					     efi_char16_t *);
-		efi_status_t (__efiapi *get_all)(apple_properties_protocol_t *,
-						 void *buffer, u32 *);
-	};
-	struct {
-		u32 version;
-		u32 get;
-		u32 set;
-		u32 del;
-		u32 get_all;
-	} mixed_mode;
-};
-
-typedef u32 efi_tcg2_event_log_format;
-
-typedef union efi_tcg2_protocol efi_tcg2_protocol_t;
-
-union efi_tcg2_protocol {
-	struct {
-		void *get_capability;
-		efi_status_t (__efiapi *get_event_log)(efi_handle_t,
-						       efi_tcg2_event_log_format,
-						       efi_physical_addr_t *,
-						       efi_physical_addr_t *,
-						       efi_bool_t *);
-		void *hash_log_extend_event;
-		void *submit_command;
-		void *get_active_pcr_banks;
-		void *set_active_pcr_banks;
-		void *get_result_of_set_active_pcr_banks;
-	};
-	struct {
-		u32 get_capability;
-		u32 get_event_log;
-		u32 hash_log_extend_event;
-		u32 submit_command;
-		u32 get_active_pcr_banks;
-		u32 set_active_pcr_banks;
-		u32 get_result_of_set_active_pcr_banks;
-	} mixed_mode;
-};
+typedef union efi_boot_services efi_boot_services_t;
 
 /*
  * Types and defines for EFI ResetSystem
@@ -796,8 +482,6 @@ struct efi_fdt_params {
 	u32 desc_ver;
 };
 
-typedef struct efi_loaded_image efi_loaded_image_t;
-
 typedef struct {
 	u32 version;
 	u32 length;
@@ -1130,13 +814,6 @@ extern int efi_status_to_err(efi_status_t status);
  */
 #define EFI_VARIABLE_GUID_LEN	UUID_STRING_LEN
 
-/*
- * The type of search to perform when calling boottime->locate_handle
- */
-#define EFI_LOCATE_ALL_HANDLES			0
-#define EFI_LOCATE_BY_REGISTER_NOTIFY		1
-#define EFI_LOCATE_BY_PROTOCOL			2
-
 /*
  * EFI Device Path information
  */
@@ -1254,80 +931,6 @@ struct efivar_entry {
 	bool deleting;
 };
 
-union efi_simple_text_output_protocol {
-	struct {
-		void *reset;
-		efi_status_t (__efiapi *output_string)(efi_simple_text_output_protocol_t *,
-						       efi_char16_t *);
-		void *test_string;
-	};
-	struct {
-		u32 reset;
-		u32 output_string;
-		u32 test_string;
-	} mixed_mode;
-};
-
-#define PIXEL_RGB_RESERVED_8BIT_PER_COLOR		0
-#define PIXEL_BGR_RESERVED_8BIT_PER_COLOR		1
-#define PIXEL_BIT_MASK					2
-#define PIXEL_BLT_ONLY					3
-#define PIXEL_FORMAT_MAX				4
-
-typedef struct {
-	u32 red_mask;
-	u32 green_mask;
-	u32 blue_mask;
-	u32 reserved_mask;
-} efi_pixel_bitmask_t;
-
-typedef struct {
-	u32 version;
-	u32 horizontal_resolution;
-	u32 vertical_resolution;
-	int pixel_format;
-	efi_pixel_bitmask_t pixel_information;
-	u32 pixels_per_scan_line;
-} efi_graphics_output_mode_info_t;
-
-typedef union efi_graphics_output_protocol_mode efi_graphics_output_protocol_mode_t;
-
-union efi_graphics_output_protocol_mode {
-	struct {
-		u32 max_mode;
-		u32 mode;
-		efi_graphics_output_mode_info_t *info;
-		unsigned long size_of_info;
-		efi_physical_addr_t frame_buffer_base;
-		unsigned long frame_buffer_size;
-	};
-	struct {
-		u32 max_mode;
-		u32 mode;
-		u32 info;
-		u32 size_of_info;
-		u64 frame_buffer_base;
-		u32 frame_buffer_size;
-	} mixed_mode;
-};
-
-typedef union efi_graphics_output_protocol efi_graphics_output_protocol_t;
-
-union efi_graphics_output_protocol {
-	struct {
-		void *query_mode;
-		void *set_mode;
-		void *blt;
-		efi_graphics_output_protocol_mode_t *mode;
-	};
-	struct {
-		u32 query_mode;
-		u32 set_mode;
-		u32 blt;
-		u32 mode;
-	} mixed_mode;
-};
-
 extern struct list_head efivar_sysfs_list;
 
 static inline void
@@ -1425,52 +1028,6 @@ static inline int efi_runtime_map_copy(void *buf, size_t bufsz)
 
 #endif
 
-/* prototypes shared between arch specific and generic stub code */
-
-void efi_printk(char *str);
-
-void efi_free(unsigned long size, unsigned long addr);
-
-char *efi_convert_cmdline(efi_loaded_image_t *image, int *cmd_line_len);
-
-efi_status_t efi_get_memory_map(struct efi_boot_memmap *map);
-
-efi_status_t efi_low_alloc_above(unsigned long size, unsigned long align,
-				 unsigned long *addr, unsigned long min);
-
-static inline
-efi_status_t efi_low_alloc(unsigned long size, unsigned long align,
-			   unsigned long *addr)
-{
-	/*
-	 * Don't allocate at 0x0. It will confuse code that
-	 * checks pointers against NULL. Skip the first 8
-	 * bytes so we start at a nice even number.
-	 */
-	return efi_low_alloc_above(size, align, addr, 0x8);
-}
-
-efi_status_t efi_allocate_pages(unsigned long size, unsigned long *addr,
-				unsigned long max);
-
-efi_status_t efi_relocate_kernel(unsigned long *image_addr,
-				 unsigned long image_size,
-				 unsigned long alloc_size,
-				 unsigned long preferred_addr,
-				 unsigned long alignment,
-				 unsigned long min_addr);
-
-efi_status_t handle_cmdline_files(efi_loaded_image_t *image,
-				  char *cmd_line, char *option_string,
-				  unsigned long max_addr,
-				  unsigned long *load_addr,
-				  unsigned long *load_size);
-
-efi_status_t efi_parse_options(char const *cmdline);
-
-efi_status_t efi_setup_gop(struct screen_info *si, efi_guid_t *proto,
-			   unsigned long size);
-
 #ifdef CONFIG_EFI
 extern bool efi_runtime_disabled(void);
 #else
@@ -1548,15 +1105,6 @@ void efi_retrieve_tpm2_eventlog(void);
 	arch_efi_call_virt_teardown();					\
 })
 
-typedef efi_status_t (*efi_exit_boot_map_processing)(
-	struct efi_boot_memmap *map,
-	void *priv);
-
-efi_status_t efi_exit_boot_services(void *handle,
-				    struct efi_boot_memmap *map,
-				    void *priv,
-				    efi_exit_boot_map_processing priv_func);
-
 #define EFI_RANDOM_SEED_SIZE		64U
 
 struct linux_efi_random_seed {
@@ -1643,6 +1191,4 @@ struct linux_efi_memreserve {
 #define EFI_MEMRESERVE_COUNT(size) (((size) - sizeof(struct linux_efi_memreserve)) \
 	/ sizeof(((struct linux_efi_memreserve *)0)->entry[0]))
 
-void efi_pci_disable_bridge_busmaster(void);
-
 #endif /* _LINUX_EFI_H */
-- 
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