diff options
Diffstat (limited to 'bsps/shared/freebsd/stand/efi/include/efilib.h')
| -rw-r--r-- | bsps/shared/freebsd/stand/efi/include/efilib.h | 172 |
1 files changed, 172 insertions, 0 deletions
diff --git a/bsps/shared/freebsd/stand/efi/include/efilib.h b/bsps/shared/freebsd/stand/efi/include/efilib.h new file mode 100644 index 0000000000..d31212ff9a --- /dev/null +++ b/bsps/shared/freebsd/stand/efi/include/efilib.h @@ -0,0 +1,172 @@ +/*- + * 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. + * + * $FreeBSD$ + */ + +#ifndef _LOADER_EFILIB_H +#define _LOADER_EFILIB_H + +#ifndef __rtems__ +#include <stand.h> +#endif /* __rtems__ */ +#include <stdbool.h> +#include <sys/queue.h> +#ifdef __rtems__ +#include <errno.h> +#include <stdbool.h> +#include <stdlib.h> +#endif /* __rtems__ */ + +extern EFI_HANDLE IH; +extern EFI_SYSTEM_TABLE *ST; +extern EFI_BOOT_SERVICES *BS; +extern EFI_RUNTIME_SERVICES *RS; + +#ifndef __rtems__ + +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 *); +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); +#endif /* __rtems__ */ + +/* CHAR16 utility functions. */ +int wcscmp(CHAR16 *, CHAR16 *); +void cpy8to16(const char *, CHAR16 *, size_t); +void cpy16to8(const CHAR16 *, char *, size_t); + +#ifndef __rtems__ +/* + * 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 /* __rtems__ */ + +#endif /* _LOADER_EFILIB_H */ |