OpenSolaris Launch

1 files changed, 121 insertions, 0 deletions

diff --git a/usr/src/stand/sys/bootvfs.h b/usr/src/stand/sys/bootvfs.h
new file mode 100644
index 0000000000..316f6a5e2b
--- /dev/null
+++ b/usr/src/stand/sys/bootvfs.h
@@ -0,0 +1,121 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License, Version 1.0 only
+ * (the "License").  You may not use this file except in compliance
+ * with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+/*
+ * Copyright 1994-1996, 2002-2003 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ */
+
+#ifndef	_SYS_BOOTVFS_H
+#define	_SYS_BOOTVFS_H
+
+#pragma ident	"%Z%%M%	%I%	%E% SMI"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <sys/filep.h>
+#include <sys/dirent.h>
+#include <sys/bootstat.h>
+
+/* same as those in /usr/include/unistd.h */
+#define	SEEK_SET	0	/* Offset */
+#define	SEEK_CUR	1	/* Current + Offset */
+#define	SEEK_END	2	/* EOF + Offset */
+
+/* mountroot/unmountroot return values */
+#define	VFS_SUCCESS	0
+#define	VFS_FAILURE	-1
+
+/*
+ * unified (vfs-like) file system operations for booters
+ */
+
+struct boot_fs_ops {
+    char	*fsw_name;
+    int		(*fsw_mountroot)(char *str);
+    int		(*fsw_unmountroot)(void);
+    int		(*fsw_open)(char *filename, int flags);
+    int		(*fsw_close)(int fd);
+    ssize_t	(*fsw_read)(int fd, caddr_t buf, size_t size);
+    off_t	(*fsw_lseek)(int filefd, off_t addr, int whence);
+    int		(*fsw_fstat)(int filefd, struct bootstat *buf);
+    void	(*fsw_closeall)(int flag);
+    int		(*fsw_getdents)(int fd, struct dirent *buf, unsigned size);
+};
+
+/*
+ *  Function prototypes
+ *
+ *	fstat() (if exists) supports size and mode right now.
+ */
+
+extern	int	mountroot(char *str);
+extern	int	unmountroot(void);
+extern	int	open(const char *filename, int flags);
+extern	int	close(int fd);
+extern	ssize_t	read(int fd, void *buf, size_t size);
+extern	off_t	lseek(int filefd, off_t addr, int whence);
+extern	int	fstat(int fd, struct stat *buf);
+extern	int	stat(const char *filename, struct stat *buf);
+
+/*
+ * The compfs filesystem provides additional fsswitch-like entry points,
+ * though these are not yet hooked properly into the fsswitch.
+ */
+#ifdef	__i386
+extern	int	ftruncate(int, off_t);
+extern	int	create(char *, ulong_t);
+extern	ssize_t	write(int, const void *, size_t);
+extern	int	rename(char *, char *);
+extern	int	unlink(char *);
+#endif
+
+extern	void	closeall(int flag);
+
+extern	ssize_t	kern_read(int fd, caddr_t buf, size_t size);
+extern	int	kern_open(char *filename, int flags);
+extern	off_t	kern_seek(int fd, off_t hi, off_t lo);
+extern	off_t	kern_lseek(int fd, off_t hi, off_t lo);
+extern	int	kern_close(int fd);
+extern	int	kern_fstat(int fd, struct bootstat *buf);
+extern	int	kern_getdents(int fd, struct dirent *buf, size_t size);
+extern	int	kern_mountroot(char *path);
+extern	int	kern_unmountroot(void);
+
+/*
+ * these are for common fs switch interface routines
+ */
+extern	int	boot_no_ops(void);	/* no ops entry */
+extern	void	boot_no_ops_void(void);	/* no ops entry */
+
+extern	struct boot_fs_ops *get_default_fs(void);
+extern	struct boot_fs_ops *get_fs_ops_pointer(char *fsw_name);
+extern	void	set_default_fs(char *fsw_name);
+extern	void	clr_default_fs(void);
+extern	char 	*set_fstype(char *v2path, char *bpath);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _SYS_BOOTVFS_H */