1*7c478bd9Sstevel@tonic-gate /* 2*7c478bd9Sstevel@tonic-gate * CDDL HEADER START 3*7c478bd9Sstevel@tonic-gate * 4*7c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5*7c478bd9Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 6*7c478bd9Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 7*7c478bd9Sstevel@tonic-gate * with the License. 8*7c478bd9Sstevel@tonic-gate * 9*7c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10*7c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 11*7c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions 12*7c478bd9Sstevel@tonic-gate * and limitations under the License. 13*7c478bd9Sstevel@tonic-gate * 14*7c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 15*7c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16*7c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 17*7c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 18*7c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 19*7c478bd9Sstevel@tonic-gate * 20*7c478bd9Sstevel@tonic-gate * CDDL HEADER END 21*7c478bd9Sstevel@tonic-gate */ 22*7c478bd9Sstevel@tonic-gate /* 23*7c478bd9Sstevel@tonic-gate * Copyright 1994-1996, 2002-2003 Sun Microsystems, Inc. All rights reserved. 24*7c478bd9Sstevel@tonic-gate * Use is subject to license terms. 25*7c478bd9Sstevel@tonic-gate */ 26*7c478bd9Sstevel@tonic-gate 27*7c478bd9Sstevel@tonic-gate #ifndef _SYS_BOOTVFS_H 28*7c478bd9Sstevel@tonic-gate #define _SYS_BOOTVFS_H 29*7c478bd9Sstevel@tonic-gate 30*7c478bd9Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 31*7c478bd9Sstevel@tonic-gate 32*7c478bd9Sstevel@tonic-gate #ifdef __cplusplus 33*7c478bd9Sstevel@tonic-gate extern "C" { 34*7c478bd9Sstevel@tonic-gate #endif 35*7c478bd9Sstevel@tonic-gate 36*7c478bd9Sstevel@tonic-gate #include <sys/filep.h> 37*7c478bd9Sstevel@tonic-gate #include <sys/dirent.h> 38*7c478bd9Sstevel@tonic-gate #include <sys/bootstat.h> 39*7c478bd9Sstevel@tonic-gate 40*7c478bd9Sstevel@tonic-gate /* same as those in /usr/include/unistd.h */ 41*7c478bd9Sstevel@tonic-gate #define SEEK_SET 0 /* Offset */ 42*7c478bd9Sstevel@tonic-gate #define SEEK_CUR 1 /* Current + Offset */ 43*7c478bd9Sstevel@tonic-gate #define SEEK_END 2 /* EOF + Offset */ 44*7c478bd9Sstevel@tonic-gate 45*7c478bd9Sstevel@tonic-gate /* mountroot/unmountroot return values */ 46*7c478bd9Sstevel@tonic-gate #define VFS_SUCCESS 0 47*7c478bd9Sstevel@tonic-gate #define VFS_FAILURE -1 48*7c478bd9Sstevel@tonic-gate 49*7c478bd9Sstevel@tonic-gate /* 50*7c478bd9Sstevel@tonic-gate * unified (vfs-like) file system operations for booters 51*7c478bd9Sstevel@tonic-gate */ 52*7c478bd9Sstevel@tonic-gate 53*7c478bd9Sstevel@tonic-gate struct boot_fs_ops { 54*7c478bd9Sstevel@tonic-gate char *fsw_name; 55*7c478bd9Sstevel@tonic-gate int (*fsw_mountroot)(char *str); 56*7c478bd9Sstevel@tonic-gate int (*fsw_unmountroot)(void); 57*7c478bd9Sstevel@tonic-gate int (*fsw_open)(char *filename, int flags); 58*7c478bd9Sstevel@tonic-gate int (*fsw_close)(int fd); 59*7c478bd9Sstevel@tonic-gate ssize_t (*fsw_read)(int fd, caddr_t buf, size_t size); 60*7c478bd9Sstevel@tonic-gate off_t (*fsw_lseek)(int filefd, off_t addr, int whence); 61*7c478bd9Sstevel@tonic-gate int (*fsw_fstat)(int filefd, struct bootstat *buf); 62*7c478bd9Sstevel@tonic-gate void (*fsw_closeall)(int flag); 63*7c478bd9Sstevel@tonic-gate int (*fsw_getdents)(int fd, struct dirent *buf, unsigned size); 64*7c478bd9Sstevel@tonic-gate }; 65*7c478bd9Sstevel@tonic-gate 66*7c478bd9Sstevel@tonic-gate /* 67*7c478bd9Sstevel@tonic-gate * Function prototypes 68*7c478bd9Sstevel@tonic-gate * 69*7c478bd9Sstevel@tonic-gate * fstat() (if exists) supports size and mode right now. 70*7c478bd9Sstevel@tonic-gate */ 71*7c478bd9Sstevel@tonic-gate 72*7c478bd9Sstevel@tonic-gate extern int mountroot(char *str); 73*7c478bd9Sstevel@tonic-gate extern int unmountroot(void); 74*7c478bd9Sstevel@tonic-gate extern int open(const char *filename, int flags); 75*7c478bd9Sstevel@tonic-gate extern int close(int fd); 76*7c478bd9Sstevel@tonic-gate extern ssize_t read(int fd, void *buf, size_t size); 77*7c478bd9Sstevel@tonic-gate extern off_t lseek(int filefd, off_t addr, int whence); 78*7c478bd9Sstevel@tonic-gate extern int fstat(int fd, struct stat *buf); 79*7c478bd9Sstevel@tonic-gate extern int stat(const char *filename, struct stat *buf); 80*7c478bd9Sstevel@tonic-gate 81*7c478bd9Sstevel@tonic-gate /* 82*7c478bd9Sstevel@tonic-gate * The compfs filesystem provides additional fsswitch-like entry points, 83*7c478bd9Sstevel@tonic-gate * though these are not yet hooked properly into the fsswitch. 84*7c478bd9Sstevel@tonic-gate */ 85*7c478bd9Sstevel@tonic-gate #ifdef __i386 86*7c478bd9Sstevel@tonic-gate extern int ftruncate(int, off_t); 87*7c478bd9Sstevel@tonic-gate extern int create(char *, ulong_t); 88*7c478bd9Sstevel@tonic-gate extern ssize_t write(int, const void *, size_t); 89*7c478bd9Sstevel@tonic-gate extern int rename(char *, char *); 90*7c478bd9Sstevel@tonic-gate extern int unlink(char *); 91*7c478bd9Sstevel@tonic-gate #endif 92*7c478bd9Sstevel@tonic-gate 93*7c478bd9Sstevel@tonic-gate extern void closeall(int flag); 94*7c478bd9Sstevel@tonic-gate 95*7c478bd9Sstevel@tonic-gate extern ssize_t kern_read(int fd, caddr_t buf, size_t size); 96*7c478bd9Sstevel@tonic-gate extern int kern_open(char *filename, int flags); 97*7c478bd9Sstevel@tonic-gate extern off_t kern_seek(int fd, off_t hi, off_t lo); 98*7c478bd9Sstevel@tonic-gate extern off_t kern_lseek(int fd, off_t hi, off_t lo); 99*7c478bd9Sstevel@tonic-gate extern int kern_close(int fd); 100*7c478bd9Sstevel@tonic-gate extern int kern_fstat(int fd, struct bootstat *buf); 101*7c478bd9Sstevel@tonic-gate extern int kern_getdents(int fd, struct dirent *buf, size_t size); 102*7c478bd9Sstevel@tonic-gate extern int kern_mountroot(char *path); 103*7c478bd9Sstevel@tonic-gate extern int kern_unmountroot(void); 104*7c478bd9Sstevel@tonic-gate 105*7c478bd9Sstevel@tonic-gate /* 106*7c478bd9Sstevel@tonic-gate * these are for common fs switch interface routines 107*7c478bd9Sstevel@tonic-gate */ 108*7c478bd9Sstevel@tonic-gate extern int boot_no_ops(void); /* no ops entry */ 109*7c478bd9Sstevel@tonic-gate extern void boot_no_ops_void(void); /* no ops entry */ 110*7c478bd9Sstevel@tonic-gate 111*7c478bd9Sstevel@tonic-gate extern struct boot_fs_ops *get_default_fs(void); 112*7c478bd9Sstevel@tonic-gate extern struct boot_fs_ops *get_fs_ops_pointer(char *fsw_name); 113*7c478bd9Sstevel@tonic-gate extern void set_default_fs(char *fsw_name); 114*7c478bd9Sstevel@tonic-gate extern void clr_default_fs(void); 115*7c478bd9Sstevel@tonic-gate extern char *set_fstype(char *v2path, char *bpath); 116*7c478bd9Sstevel@tonic-gate 117*7c478bd9Sstevel@tonic-gate #ifdef __cplusplus 118*7c478bd9Sstevel@tonic-gate } 119*7c478bd9Sstevel@tonic-gate #endif 120*7c478bd9Sstevel@tonic-gate 121*7c478bd9Sstevel@tonic-gate #endif /* _SYS_BOOTVFS_H */ 122