PSARC/2010/113 Boot Block Downgrade Avoidance

PSARC/2010/271 EOF and removal of installgrub(1m) floppy support
6944352 prevent downgrading the boot block on update on multi-BE environments
6972371 EOF and removal of installgrub(1m) floppy support [PSARC/2010/271]

--HG--
rename : usr/src/cmd/boot/installgrub/floppy.c => usr/src/cmd/boot/installgrub/pcfs_glue.c

1 files changed, 71 insertions, 0 deletions

diff --git a/usr/src/cmd/boot/installboot/installboot.h b/usr/src/cmd/boot/installboot/installboot.h
new file mode 100644
index 0000000000..7b558b3846
--- /dev/null
+++ b/usr/src/cmd/boot/installboot/installboot.h
@@ -0,0 +1,71 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (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 (c) 2010, Oracle and/or its affiliates. All rights reserved.
+ */
+
+#ifndef	_INSTALLBOOT_H
+#define	_INSTALLBOOT_H
+
+#ifdef	__cplusplus
+extern "C" {
+#endif
+
+#include <sys/multiboot.h>
+#include <sys/types.h>
+
+enum ib_fs_types {
+	TARGET_IS_UFS = 0,
+	TARGET_IS_HSFS,
+	TARGET_IS_ZFS
+};
+
+typedef struct _ib_device {
+	char	*path;
+	int	fd;
+	uint8_t	type;
+} ib_device_t;
+
+typedef struct _ib_bootblock {
+	char			*buf;
+	char			*file;
+	char			*extra;
+	multiboot_header_t	*mboot;
+	uint32_t		mboot_off;
+	uint32_t		buf_size;
+	uint32_t		file_size;
+} ib_bootblock_t;
+
+typedef struct _ib_data {
+	ib_device_t	device;
+	ib_bootblock_t	bootblock;
+} ib_data_t;
+
+#define	is_zfs(type)	(type == TARGET_IS_ZFS)
+
+#define	BBLK_DATA_RSVD_SIZE	(15 * SECTOR_SIZE)
+#define	BBLK_ZFS_EXTRA_OFF	(SECTOR_SIZE * 1024)
+
+#ifdef	__cplusplus
+}
+#endif
+
+#endif /* _INSTALLBOOT_H */