77e3db0789
Move direct call of ExitBootServices to efi_exit_boot_services. This function sets boot_services_active to false so callers don't have to do it everywhere (though currently only loader/bootinfo.c is affected). Sponsored by: Netflix Differential Revision: https://reviews.freebsd.org/D32226
163 lines
5.9 KiB
C
163 lines
5.9 KiB
C
/*-
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* Copyright (c) 2000 Doug Rabson
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* Copyright (c) 2006 Marcel Moolenaar
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#ifndef _LOADER_EFILIB_H
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#define _LOADER_EFILIB_H
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#include <stand.h>
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#include <stdbool.h>
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#include <sys/queue.h>
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extern EFI_HANDLE IH;
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extern EFI_SYSTEM_TABLE *ST;
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extern EFI_BOOT_SERVICES *BS;
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extern EFI_RUNTIME_SERVICES *RS;
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extern struct devsw efipart_fddev;
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extern struct devsw efipart_cddev;
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extern struct devsw efipart_hddev;
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extern struct devsw efihttp_dev;
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extern struct devsw efinet_dev;
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extern struct netif_driver efinetif;
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/* EFI block device data, included here to help efi_zfs_probe() */
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typedef STAILQ_HEAD(pdinfo_list, pdinfo) pdinfo_list_t;
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typedef struct pdinfo
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{
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STAILQ_ENTRY(pdinfo) pd_link; /* link in device list */
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pdinfo_list_t pd_part; /* list of partitions */
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EFI_HANDLE pd_handle;
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EFI_HANDLE pd_alias;
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EFI_DEVICE_PATH *pd_devpath;
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EFI_BLOCK_IO *pd_blkio;
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uint32_t pd_unit; /* unit number */
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uint32_t pd_open; /* reference counter */
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void *pd_bcache; /* buffer cache data */
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struct pdinfo *pd_parent; /* Linked items (eg partitions) */
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struct devsw *pd_devsw; /* Back pointer to devsw */
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} pdinfo_t;
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pdinfo_list_t *efiblk_get_pdinfo_list(struct devsw *dev);
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pdinfo_t *efiblk_get_pdinfo(struct devdesc *dev);
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pdinfo_t *efiblk_get_pdinfo_by_handle(EFI_HANDLE h);
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pdinfo_t *efiblk_get_pdinfo_by_device_path(EFI_DEVICE_PATH *path);
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/* libefi.c */
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void *efi_get_table(EFI_GUID *tbl);
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EFI_STATUS OpenProtocolByHandle(EFI_HANDLE, EFI_GUID *, void **);
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static inline EFI_STATUS
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efi_exit_boot_services(UINTN key)
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{
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EFI_STATUS status;
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status = BS->ExitBootServices(IH, key);
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if (!EFI_ERROR(status))
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boot_services_active = false;
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return (status);
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}
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int efi_getdev(void **vdev, const char *devspec, const char **path);
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char *efi_fmtdev(void *vdev);
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int efi_setcurrdev(struct env_var *ev, int flags, const void *value);
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int efi_register_handles(struct devsw *, EFI_HANDLE *, EFI_HANDLE *, int);
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EFI_HANDLE efi_find_handle(struct devsw *, int);
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int efi_handle_lookup(EFI_HANDLE, struct devsw **, int *, uint64_t *);
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int efi_handle_update_dev(EFI_HANDLE, struct devsw *, int, uint64_t);
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EFI_DEVICE_PATH *efi_lookup_image_devpath(EFI_HANDLE);
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EFI_DEVICE_PATH *efi_lookup_devpath(EFI_HANDLE);
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void efi_close_devpath(EFI_HANDLE);
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EFI_HANDLE efi_devpath_handle(EFI_DEVICE_PATH *);
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EFI_DEVICE_PATH *efi_devpath_last_node(EFI_DEVICE_PATH *);
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EFI_DEVICE_PATH *efi_devpath_trim(EFI_DEVICE_PATH *);
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bool efi_devpath_match(EFI_DEVICE_PATH *, EFI_DEVICE_PATH *);
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bool efi_devpath_match_node(EFI_DEVICE_PATH *, EFI_DEVICE_PATH *);
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bool efi_devpath_is_prefix(EFI_DEVICE_PATH *, EFI_DEVICE_PATH *);
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CHAR16 *efi_devpath_name(EFI_DEVICE_PATH *);
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void efi_free_devpath_name(CHAR16 *);
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bool efi_devpath_same_disk(EFI_DEVICE_PATH *, EFI_DEVICE_PATH *);
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EFI_DEVICE_PATH *efi_devpath_to_media_path(EFI_DEVICE_PATH *);
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UINTN efi_devpath_length(EFI_DEVICE_PATH *);
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EFI_DEVICE_PATH *efi_name_to_devpath(const char *path);
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EFI_DEVICE_PATH *efi_name_to_devpath16(CHAR16 *path);
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void efi_devpath_free(EFI_DEVICE_PATH *dp);
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EFI_HANDLE efi_devpath_to_handle(EFI_DEVICE_PATH *path, EFI_HANDLE *handles, unsigned nhandles);
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int efi_status_to_errno(EFI_STATUS);
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EFI_STATUS errno_to_efi_status(int errno);
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void efi_time_init(void);
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void efi_time_fini(void);
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int parse_uefi_con_out(void);
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EFI_STATUS efi_main(EFI_HANDLE Ximage, EFI_SYSTEM_TABLE* Xsystab);
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EFI_STATUS main(int argc, CHAR16 *argv[]);
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void efi_exit(EFI_STATUS status) __dead2;
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/* EFI environment initialization. */
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void efi_init_environment(void);
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/* EFI Memory type strings. */
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const char *efi_memory_type(EFI_MEMORY_TYPE);
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/* CHAR16 utility functions. */
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int wcscmp(CHAR16 *, CHAR16 *);
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void cpy8to16(const char *, CHAR16 *, size_t);
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void cpy16to8(const CHAR16 *, char *, size_t);
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/*
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* Routines for interacting with EFI's env vars in a more unix-like
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* way than the standard APIs. In addition, convenience routines for
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* the loader setting / getting FreeBSD specific variables.
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*/
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EFI_STATUS efi_delenv(EFI_GUID *guid, const char *varname);
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EFI_STATUS efi_freebsd_delenv(const char *varname);
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EFI_STATUS efi_freebsd_getenv(const char *v, void *data, __size_t *len);
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EFI_STATUS efi_getenv(EFI_GUID *g, const char *v, void *data, __size_t *len);
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EFI_STATUS efi_global_getenv(const char *v, void *data, __size_t *len);
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EFI_STATUS efi_setenv(EFI_GUID *guid, const char *varname, UINT32 attr, void *data, __size_t len);
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EFI_STATUS efi_setenv_freebsd_wcs(const char *varname, CHAR16 *valstr);
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/* guids and names */
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bool efi_guid_to_str(const EFI_GUID *, char **);
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bool efi_str_to_guid(const char *, EFI_GUID *);
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bool efi_name_to_guid(const char *, EFI_GUID *);
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bool efi_guid_to_name(EFI_GUID *, char **);
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/* efipart.c */
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int efipart_inithandles(void);
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#endif /* _LOADER_EFILIB_H */
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