/*- * Copyright (c) 2000 Doug Rabson * Copyright (c) 2006 Marcel Moolenaar * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ #ifndef _LOADER_EFILIB_H #define _LOADER_EFILIB_H #include #include #include extern EFI_HANDLE IH; extern EFI_SYSTEM_TABLE *ST; extern EFI_BOOT_SERVICES *BS; extern EFI_RUNTIME_SERVICES *RS; extern struct devsw efipart_fddev; extern struct devsw efipart_cddev; extern struct devsw efipart_hddev; extern struct devsw efihttp_dev; extern struct devsw efinet_dev; extern struct netif_driver efinetif; /* EFI block device data, included here to help efi_zfs_probe() */ typedef STAILQ_HEAD(pdinfo_list, pdinfo) pdinfo_list_t; typedef struct pdinfo { STAILQ_ENTRY(pdinfo) pd_link; /* link in device list */ pdinfo_list_t pd_part; /* list of partitions */ EFI_HANDLE pd_handle; EFI_HANDLE pd_alias; EFI_DEVICE_PATH *pd_devpath; EFI_BLOCK_IO *pd_blkio; uint32_t pd_unit; /* unit number */ uint32_t pd_open; /* reference counter */ void *pd_bcache; /* buffer cache data */ struct pdinfo *pd_parent; /* Linked items (eg partitions) */ struct devsw *pd_devsw; /* Back pointer to devsw */ } pdinfo_t; pdinfo_list_t *efiblk_get_pdinfo_list(struct devsw *dev); pdinfo_t *efiblk_get_pdinfo(struct devdesc *dev); pdinfo_t *efiblk_get_pdinfo_by_handle(EFI_HANDLE h); pdinfo_t *efiblk_get_pdinfo_by_device_path(EFI_DEVICE_PATH *path); /* libefi.c */ void *efi_get_table(EFI_GUID *tbl); EFI_STATUS OpenProtocolByHandle(EFI_HANDLE, EFI_GUID *, void **); static inline EFI_STATUS efi_exit_boot_services(UINTN key) { EFI_STATUS status; status = BS->ExitBootServices(IH, key); if (!EFI_ERROR(status)) boot_services_active = false; return (status); } int efi_getdev(void **vdev, const char *devspec, const char **path); int efi_register_handles(struct devsw *, EFI_HANDLE *, EFI_HANDLE *, int); EFI_HANDLE efi_find_handle(struct devsw *, int); int efi_handle_lookup(EFI_HANDLE, struct devsw **, int *, uint64_t *); int efi_handle_update_dev(EFI_HANDLE, struct devsw *, int, uint64_t); EFI_DEVICE_PATH *efi_lookup_image_devpath(EFI_HANDLE); EFI_DEVICE_PATH *efi_lookup_devpath(EFI_HANDLE); void efi_close_devpath(EFI_HANDLE); EFI_HANDLE efi_devpath_handle(EFI_DEVICE_PATH *); EFI_DEVICE_PATH *efi_devpath_last_node(EFI_DEVICE_PATH *); EFI_DEVICE_PATH *efi_devpath_trim(EFI_DEVICE_PATH *); EFI_DEVICE_PATH *efi_devpath_next_instance(EFI_DEVICE_PATH *); bool efi_devpath_match(EFI_DEVICE_PATH *, EFI_DEVICE_PATH *); bool efi_devpath_match_node(EFI_DEVICE_PATH *, EFI_DEVICE_PATH *); bool efi_devpath_is_prefix(EFI_DEVICE_PATH *, EFI_DEVICE_PATH *); CHAR16 *efi_devpath_name(EFI_DEVICE_PATH *); void efi_free_devpath_name(CHAR16 *); bool efi_devpath_same_disk(EFI_DEVICE_PATH *, EFI_DEVICE_PATH *); EFI_DEVICE_PATH *efi_devpath_to_media_path(EFI_DEVICE_PATH *); UINTN efi_devpath_length(EFI_DEVICE_PATH *); EFI_DEVICE_PATH *efi_name_to_devpath(const char *path); EFI_DEVICE_PATH *efi_name_to_devpath16(CHAR16 *path); void efi_devpath_free(EFI_DEVICE_PATH *dp); EFI_HANDLE efi_devpath_to_handle(EFI_DEVICE_PATH *path, EFI_HANDLE *handles, unsigned nhandles); int efi_status_to_errno(EFI_STATUS); EFI_STATUS errno_to_efi_status(int errno); void efi_time_init(void); void efi_time_fini(void); int parse_uefi_con_out(void); EFI_STATUS efi_main(EFI_HANDLE Ximage, EFI_SYSTEM_TABLE* Xsystab); EFI_STATUS main(int argc, CHAR16 *argv[]); void efi_exit(EFI_STATUS status) __dead2; /* EFI environment initialization. */ void efi_init_environment(void); /* EFI Memory type strings. */ const char *efi_memory_type(EFI_MEMORY_TYPE); /* CHAR16 utility functions. */ int wcscmp(CHAR16 *, CHAR16 *); void cpy8to16(const char *, CHAR16 *, size_t); void cpy16to8(const CHAR16 *, char *, size_t); /* * Routines for interacting with EFI's env vars in a more unix-like * way than the standard APIs. In addition, convenience routines for * the loader setting / getting FreeBSD specific variables. */ EFI_STATUS efi_delenv(EFI_GUID *guid, const char *varname); EFI_STATUS efi_freebsd_delenv(const char *varname); EFI_STATUS efi_freebsd_getenv(const char *v, void *data, __size_t *len); EFI_STATUS efi_getenv(EFI_GUID *g, const char *v, void *data, __size_t *len); EFI_STATUS efi_global_getenv(const char *v, void *data, __size_t *len); EFI_STATUS efi_setenv(EFI_GUID *guid, const char *varname, UINT32 attr, void *data, __size_t len); EFI_STATUS efi_setenv_freebsd_wcs(const char *varname, CHAR16 *valstr); /* guids and names */ bool efi_guid_to_str(const EFI_GUID *, char **); bool efi_str_to_guid(const char *, EFI_GUID *); bool efi_name_to_guid(const char *, EFI_GUID *); bool efi_guid_to_name(EFI_GUID *, char **); /* efipart.c */ int efipart_inithandles(void); #endif /* _LOADER_EFILIB_H */