17c478bd9Sstevel@tonic-gate /* 27c478bd9Sstevel@tonic-gate * CDDL HEADER START 37c478bd9Sstevel@tonic-gate * 47c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5*ea8dc4b6Seschrock * Common Development and Distribution License (the "License"). 6*ea8dc4b6Seschrock * You may not use this file except in compliance with the License. 77c478bd9Sstevel@tonic-gate * 87c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 97c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 107c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions 117c478bd9Sstevel@tonic-gate * and limitations under the License. 127c478bd9Sstevel@tonic-gate * 137c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 147c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 157c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 167c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 177c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 187c478bd9Sstevel@tonic-gate * 197c478bd9Sstevel@tonic-gate * CDDL HEADER END 207c478bd9Sstevel@tonic-gate */ 217c478bd9Sstevel@tonic-gate /* 22*ea8dc4b6Seschrock * Copyright 2006 Sun Microsystems, Inc. All rights reserved. 237c478bd9Sstevel@tonic-gate * Use is subject to license terms. 247c478bd9Sstevel@tonic-gate */ 257c478bd9Sstevel@tonic-gate 267c478bd9Sstevel@tonic-gate #ifndef _SYS_BOOTVFS_H 277c478bd9Sstevel@tonic-gate #define _SYS_BOOTVFS_H 287c478bd9Sstevel@tonic-gate 297c478bd9Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 307c478bd9Sstevel@tonic-gate 317c478bd9Sstevel@tonic-gate #ifdef __cplusplus 327c478bd9Sstevel@tonic-gate extern "C" { 337c478bd9Sstevel@tonic-gate #endif 347c478bd9Sstevel@tonic-gate 357c478bd9Sstevel@tonic-gate #include <sys/bootstat.h> 367c478bd9Sstevel@tonic-gate #include <sys/dirent.h> 377c478bd9Sstevel@tonic-gate 387c478bd9Sstevel@tonic-gate /* same as those in /usr/include/unistd.h */ 397c478bd9Sstevel@tonic-gate #define SEEK_SET 0 /* Offset */ 407c478bd9Sstevel@tonic-gate #define SEEK_CUR 1 /* Current + Offset */ 417c478bd9Sstevel@tonic-gate #define SEEK_END 2 /* EOF + Offset */ 427c478bd9Sstevel@tonic-gate 437c478bd9Sstevel@tonic-gate /* mountroot/unmountroot return values */ 447c478bd9Sstevel@tonic-gate #define VFS_SUCCESS 0 457c478bd9Sstevel@tonic-gate #define VFS_FAILURE -1 467c478bd9Sstevel@tonic-gate 477c478bd9Sstevel@tonic-gate /* 487c478bd9Sstevel@tonic-gate * unified (vfs-like) file system operations for booters 497c478bd9Sstevel@tonic-gate */ 507c478bd9Sstevel@tonic-gate 517c478bd9Sstevel@tonic-gate struct boot_fs_ops { 527c478bd9Sstevel@tonic-gate char *fsw_name; 537c478bd9Sstevel@tonic-gate int (*fsw_mountroot)(char *str); 547c478bd9Sstevel@tonic-gate int (*fsw_unmountroot)(void); 557c478bd9Sstevel@tonic-gate int (*fsw_open)(char *filename, int flags); 567c478bd9Sstevel@tonic-gate int (*fsw_close)(int fd); 577c478bd9Sstevel@tonic-gate ssize_t (*fsw_read)(int fd, caddr_t buf, size_t size); 587c478bd9Sstevel@tonic-gate off_t (*fsw_lseek)(int filefd, off_t addr, int whence); 597c478bd9Sstevel@tonic-gate int (*fsw_fstat)(int filefd, struct bootstat *buf); 607c478bd9Sstevel@tonic-gate void (*fsw_closeall)(int flag); 617c478bd9Sstevel@tonic-gate int (*fsw_getdents)(int fd, struct dirent *buf, unsigned size); 627c478bd9Sstevel@tonic-gate }; 637c478bd9Sstevel@tonic-gate 647c478bd9Sstevel@tonic-gate /* 657c478bd9Sstevel@tonic-gate * Function prototypes 667c478bd9Sstevel@tonic-gate * 677c478bd9Sstevel@tonic-gate * fstat() (if exists) supports size and mode right now. 687c478bd9Sstevel@tonic-gate */ 697c478bd9Sstevel@tonic-gate 707c478bd9Sstevel@tonic-gate extern struct boot_fs_ops *bfs_ops; 717c478bd9Sstevel@tonic-gate 727c478bd9Sstevel@tonic-gate #define BRD_MOUNTROOT(ops, str) ((ops)->fsw_mountroot)(str) 737c478bd9Sstevel@tonic-gate #define BRD_UNMOUNTROOT(ops) ((ops)->fsw_unmountroot)() 747c478bd9Sstevel@tonic-gate #define BRD_OPEN(ops, file, flag) ((ops)->fsw_open)(file, flag) 757c478bd9Sstevel@tonic-gate #define BRD_CLOSE(ops, fd) ((ops)->fsw_close)(fd) 767c478bd9Sstevel@tonic-gate #define BRD_READ(ops, fd, buf, s) ((ops)->fsw_read)(fd, buf, s) 777c478bd9Sstevel@tonic-gate #define BRD_SEEK(ops, fd, addr, w) ((ops)->fsw_lseek)(fd, addr, w) 78*ea8dc4b6Seschrock #define BRD_FSTAT(ops, fd, stp) ((ops)->fsw_fstat)(fd, stp) 797c478bd9Sstevel@tonic-gate 807c478bd9Sstevel@tonic-gate #ifdef _BOOT 817c478bd9Sstevel@tonic-gate 827c478bd9Sstevel@tonic-gate extern int mountroot(char *str); 837c478bd9Sstevel@tonic-gate extern int unmountroot(void); 847c478bd9Sstevel@tonic-gate extern int open(const char *filename, int flags); 857c478bd9Sstevel@tonic-gate extern int close(int fd); 867c478bd9Sstevel@tonic-gate extern ssize_t read(int fd, void *buf, size_t size); 877c478bd9Sstevel@tonic-gate extern off_t lseek(int filefd, off_t addr, int whence); 887c478bd9Sstevel@tonic-gate extern void closeall(int flag); 897c478bd9Sstevel@tonic-gate 907c478bd9Sstevel@tonic-gate #endif /* _BOOT */ 917c478bd9Sstevel@tonic-gate 927c478bd9Sstevel@tonic-gate #ifdef __cplusplus 937c478bd9Sstevel@tonic-gate } 947c478bd9Sstevel@tonic-gate #endif 957c478bd9Sstevel@tonic-gate 967c478bd9Sstevel@tonic-gate #endif /* _SYS_BOOTVFS_H */ 97