1 /* $NetBSD: efiboot.h,v 1.4 2020/01/26 10:12:29 skrll Exp $ */ 2 3 /*- 4 * Copyright (c) 1996 5 * Matthias Drochner. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed for the NetBSD Project 18 * by Matthias Drochner. 19 * 4. The name of the author may not be used to endorse or promote products 20 * derived from this software without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 23 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 24 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 25 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 26 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 27 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 28 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 29 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 30 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 31 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 32 * 33 * $FreeBSD$: src/sys/boot/efi/libefi/efiboot.h,v 1.8 2003/08/02 08:22:03 marcel Exp $ 34 */ 35 36 /* 37 * EFI fully-qualified device descriptor 38 */ 39 struct efi_devdesc { 40 struct devsw *d_dev; 41 int d_type; 42 #define DEVT_NONE 0 43 #define DEVT_DISK 1 44 #define DEVT_NET 2 45 EFI_HANDLE d_handle; 46 union { 47 struct { 48 int unit; 49 int slice; 50 int partition; 51 } efidisk; 52 struct { 53 int unit; /* XXX net layer lives over these? */ 54 } netif; 55 } d_kind; 56 }; 57 58 extern int efi_getdev(void **vdev, const char *devspec, const char **path); 59 extern char *efi_fmtdev(void *vdev); 60 extern int efi_setcurrdev(struct env_var *ev, int flags, void *value); 61 62 #define MAXDEV 31 /* maximum number of distinct devices */ 63 64 typedef unsigned long physaddr_t; 65 66 /* exported devices XXX rename? */ 67 extern struct devsw devsw[]; 68 extern struct netif_driver efi_net; 69 70 /* Find EFI network resources */ 71 extern void efinet_init_driver(void); 72 73 /* Map handles to units */ 74 int efifs_get_unit(EFI_HANDLE); 75 76 /* Wrapper over EFI filesystems. */ 77 extern struct fs_ops efi_fsops; 78 79 /* this is in startup code */ 80 extern void delay(int); 81 extern void reboot(void); 82 83 extern ssize_t efi_copyin(const void *src, vaddr_t dest, size_t len); 84 extern ssize_t efi_copyout(const vaddr_t src, void *dest, size_t len); 85 extern ssize_t efi_readin(const int fd, vaddr_t dest, size_t len); 86 87 extern int efi_boot(void); 88 extern int efi_autoload(void); 89 90 extern int fpswa_init(u_int64_t *fpswa_interface); 91 92 struct bootinfo; 93 struct preloaded_file; 94 extern int bi_load(struct bootinfo *, struct preloaded_file *, 95 UINTN *mapkey, UINTN pages); 96 97