xref: /titanic_52/usr/src/cmd/boot/bootadm/bootadm.h (revision 34841cc2abc43146ada78560d5f179be666acbda)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License (the "License").
6  * You may not use this file except in compliance with the License.
7  *
8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9  * or http://www.opensolaris.org/os/licensing.
10  * See the License for the specific language governing permissions
11  * and limitations under the License.
12  *
13  * When distributing Covered Code, include this CDDL HEADER in each
14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15  * If applicable, add the following below this CDDL HEADER, with the
16  * fields enclosed by brackets "[]" replaced with your own identifying
17  * information: Portions Copyright [yyyy] [name of copyright owner]
18  *
19  * CDDL HEADER END
20  */
21 /*
22  * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
23  * Use is subject to license terms.
24  */
25 
26 #ifndef _BOOTADM_H
27 #define	_BOOTADM_H
28 
29 #ifdef	__cplusplus
30 extern "C" {
31 #endif
32 
33 #include <assert.h>
34 
35 #ifndef	TEXT_DOMAIN
36 #define	TEXT_DOMAIN	"SUNW_OST_OSCMD"
37 #endif  /* TEXT_DOMAIN */
38 
39 /* Type definitions */
40 
41 /* GRUB menu per-line classification */
42 typedef enum {
43 	BAM_INVALID = 0,
44 	BAM_EMPTY,
45 	BAM_COMMENT,
46 	BAM_GLOBAL,
47 	BAM_ENTRY,
48 	BAM_TITLE
49 } menu_flag_t;
50 
51 /* struct for menu.lst contents */
52 typedef struct line {
53 	int  lineNum;	/* Line number in menu.lst */
54 	int  entryNum;	/* menu boot entry #. ENTRY_INIT if not applicable */
55 	char *cmd;
56 	char *sep;
57 	char *arg;
58 	char *line;
59 	menu_flag_t flags;
60 	struct line *next;
61 	struct line *prev;
62 } line_t;
63 
64 typedef struct entry {
65 	struct entry *next;
66 	struct entry *prev;
67 	line_t *start;
68 	line_t *end;
69 	int	entryNum;
70 	uint_t	flags;
71 } entry_t;
72 
73 /* For flags value in entry_t */
74 #define	BAM_ENTRY_BOOTADM	0x01	/* entry created by bootadm */
75 #define	BAM_ENTRY_LU		0x02	/* entry created by Live Upgrade */
76 #define	BAM_ENTRY_CHAINLOADER	0x04	/* chainloader entry; do not disturb */
77 #define	BAM_ENTRY_ROOT		0x08	/* entry has a root line */
78 #define	BAM_ENTRY_FAILSAFE	0x10	/* failsafe entry  */
79 #define	BAM_ENTRY_DBOOT		0x20	/* Is dboot (normal or failsafe) */
80 #define	BAM_ENTRY_32BIT		0x40	/* Is a 32-bit entry */
81 #define	BAM_ENTRY_HV		0x80	/* Is a hypervisor entry */
82 #define	BAM_ENTRY_FINDROOT	0x100	/* entry has a findroot line */
83 #define	BAM_ENTRY_MULTIBOOT	0x200	/* is multiboot (normal or failsafe) */
84 #define	BAM_ENTRY_64BIT		0x400	/* Is a 64-bit entry */
85 
86 #define	BAM_ENTRY_UPGFSKERNEL	0x800	/* Upgrade failsafe kernel entry */
87 #define	BAM_ENTRY_UPGFSMODULE	0x1000  /* Upgrade failsafe module entry */
88 
89 typedef struct {
90 	line_t	*start;
91 	line_t	*end;
92 	line_t	*curdefault;	/* line containing default */
93 	line_t	*olddefault;	/* old default line (commented) */
94 	line_t	*old_rc_default;	/* old default line for bootenv.rc */
95 	entry_t	*entries;	/* os entries */
96 } menu_t;
97 
98 typedef enum {
99 	BAM_ERROR = -1,	/* Must be negative. add_boot_entry() depends on it */
100 	BAM_SUCCESS = 0,
101 	BAM_WRITE = 2,
102 	BAM_MSG	/* Used by upgrade_menu() */
103 } error_t;
104 
105 /*
106  * Menu related
107  * menu_cmd_t and menu_cmds must be kept in sync
108  *
109  * The *_DOLLAR_CMD values must be 1 greater than the
110  * respective [KERNEL|MODULE]_CMD values.
111  */
112 typedef enum {
113 	DEFAULT_CMD = 0,
114 	TIMEOUT_CMD,
115 	TITLE_CMD,
116 	ROOT_CMD,
117 	KERNEL_CMD,
118 	KERNEL_DOLLAR_CMD,	/* Must be KERNEL_CMD + 1 */
119 	MODULE_CMD,
120 	MODULE_DOLLAR_CMD,	/* Must be MODULE_CMD + 1 */
121 	SEP_CMD,
122 	COMMENT_CMD,
123 	CHAINLOADER_CMD,
124 	ARGS_CMD,
125 	FINDROOT_CMD
126 } menu_cmd_t;
127 
128 extern char *menu_cmds[];
129 
130 /* For multi- or direct-boot */
131 typedef enum {
132 	BAM_DIRECT_NOT_SET,
133 	BAM_DIRECT_MULTIBOOT,
134 	BAM_DIRECT_DBOOT
135 } direct_or_multi_t;
136 
137 /* Is there a hypervisor present? */
138 typedef enum {
139 	BAM_HV_UNKNOWN,
140 	BAM_HV_NO,
141 	BAM_HV_PRESENT
142 } hv_t;
143 
144 /* Is there findroot capability present ? */
145 typedef enum {
146 	BAM_FINDROOT_UNKNOWN,
147 	BAM_FINDROOT_ABSENT,
148 	BAM_FINDROOT_PRESENT
149 } findroot_t;
150 
151 extern int bam_verbose;
152 extern int bam_force;
153 extern direct_or_multi_t bam_direct;
154 extern hv_t bam_is_hv;
155 extern findroot_t bam_is_findroot;
156 extern int bam_debug;
157 
158 extern void bam_add_line(menu_t *mp, entry_t *entry, line_t *prev, line_t *lp);
159 extern void update_numbering(menu_t *mp);
160 extern error_t upgrade_menu(menu_t *, char *, char *);
161 extern void *s_calloc(size_t, size_t);
162 extern void *s_realloc(void *, size_t);
163 extern char *s_fgets(char *buf, int n, FILE *fp);
164 extern void bam_error(char *format, ...);
165 extern void bam_print(char *, ...);
166 extern void bam_print_stderr(char *format, ...);
167 extern void bam_derror(char *format, ...);
168 extern error_t get_boot_cap(const char *osroot);
169 extern char *get_special(char *);
170 extern char *os_to_grubdisk(char *, int);
171 extern void update_line(line_t *);
172 extern int add_boot_entry(menu_t *, char *, char *, char *, char *, char *);
173 extern int is_grub(const char *);
174 extern char *get_grubsign(char *osroot, char *osdev);
175 extern char *get_grubroot(char *osroot, char *osdev, char *menu_root);
176 extern int root_optional(char *osroot, char *menu_root);
177 extern void unlink_line(menu_t *mp, line_t *lp);
178 extern void line_free(line_t *lp);
179 extern char *s_strdup(char *);
180 extern int is_sparc(void);
181 
182 #define	BAM_MAXLINE	8192
183 
184 /* menu.lst comments created by bootadm */
185 #define	BAM_BOOTADM_HDR	"---------- ADDED BY BOOTADM - DO NOT EDIT ----------"
186 #define	BAM_BOOTADM_FTR	"---------------------END BOOTADM--------------------"
187 
188 /*
189  * menu.lst comments create by Live Upgrade.  Note that these are the end of
190  * the comment strings - there will be other text before them.
191  */
192 #define	BAM_LU_HDR	" - ADDED BY LIVE UPGRADE - DO NOT EDIT  -----"
193 #define	BAM_LU_FTR	" -------------- END LIVE UPGRADE ------------"
194 
195 #define	BAM_OLDDEF	"BOOTADM SAVED DEFAULT: "
196 #define	BAM_OLD_RC_DEF	"BOOTADM RC SAVED DEFAULT: "
197 
198 /* Title used for failsafe entries */
199 #define	FAILSAFE_TITLE	"Solaris failsafe"
200 
201 /* Title used for hv entries */
202 #define	NEW_HV_ENTRY	"Solaris xVM"
203 
204 /* ZFS boot option */
205 #define	ZFS_BOOT	"-B $ZFS-BOOTFS"
206 
207 /* multiboot */
208 #define	MULTI_BOOT	"/platform/i86pc/multiboot"
209 #define	MULTI_BOOT_FAILSAFE	"/boot/multiboot"
210 #define	MULTI_BOOT_FAILSAFE_UNIX	"kernel/unix"
211 #define	MULTI_BOOT_FAILSAFE_LINE	"/boot/multiboot kernel/unix -s"
212 
213 /* directboot kernels */
214 #define	DIRECT_BOOT_32	"/platform/i86pc/kernel/unix"
215 #define	DIRECT_BOOT_64	"/platform/i86pc/kernel/amd64/unix"
216 #define	DIRECT_BOOT_KERNEL	"/platform/i86pc/kernel/$ISADIR/unix"
217 #define	DIRECT_BOOT_FAILSAFE_32	"/boot/platform/i86pc/kernel/unix"
218 #define	DIRECT_BOOT_FAILSAFE_64	"/boot/platform/i86pc/kernel/amd64/unix"
219 #define	DIRECT_BOOT_FAILSAFE_KERNEL \
220 	"/boot/platform/i86pc/kernel/$ISADIR/unix"
221 #define	DIRECT_BOOT_FAILSAFE_LINE	DIRECT_BOOT_FAILSAFE_KERNEL " -s"
222 #define	DIRECT_BOOT_KERNEL_ZFS	DIRECT_BOOT_KERNEL " " ZFS_BOOT
223 #define	DIRECT_BOOT_PREFIX	"/platform/i86pc/"
224 #define	KERNEL_PREFIX	"/platform/i86pc/"
225 #define	AMD_UNIX_SPACE	"/amd64/unix "
226 #define	UNIX_SPACE	"/unix "
227 
228 /* xVM kernels */
229 #define	XEN_KERNEL_SUBSTR "xen.gz"
230 
231 /* Boot archives */
232 #define	ARCHIVE_PREFIX		"/platform/"
233 #define	ARCHIVE_SUFFIX		"/boot_archive"
234 #define	CACHEDIR_SUFFIX		"/archive_cache"
235 #define	UPDATEDIR_SUFFIX	"/updates"
236 #define	DIRECT_BOOT_ARCHIVE	"/platform/i86pc/$ISADIR/boot_archive"
237 #define	DIRECT_BOOT_ARCHIVE_32	"/platform/i86pc/boot_archive"
238 #define	DIRECT_BOOT_ARCHIVE_64	"/platform/i86pc/amd64/boot_archive"
239 #define	MULTIBOOT_ARCHIVE	DIRECT_BOOT_ARCHIVE_32
240 #define	FAILSAFE_ARCHIVE	"/boot/$ISADIR/x86.miniroot-safe"
241 #define	FAILSAFE_ARCHIVE_32	"/boot/x86.miniroot-safe"
242 #define	FAILSAFE_ARCHIVE_64	"/boot/amd64/x86.miniroot-safe"
243 #define	CACHEDIR_32		"/platform/i86pc/archive_cache"
244 #define	CACHEDIR_64		"/platform/i86pc/amd64/archive_cache"
245 #define	UPDATEDIR_32		"/platform/i86pc/updates"
246 #define	UPDATEDIR_64		"/platform/i86pc/amd64/updates"
247 
248 /* Hypervisors */
249 #define	XEN_32			"/boot/xen.gz"
250 #define	XEN_64			"/boot/amd64/xen.gz"
251 #define	XEN_MENU		"/boot/$ISADIR/xen.gz"
252 #define	HYPERVISOR_KERNEL	"/platform/i86xpv/kernel/$ISADIR/unix"
253 #define	XEN_KERNEL_MODULE_LINE	HYPERVISOR_KERNEL " " HYPERVISOR_KERNEL
254 #define	XEN_KERNEL_MODULE_LINE_ZFS	\
255 	HYPERVISOR_KERNEL " " HYPERVISOR_KERNEL " " ZFS_BOOT
256 
257 /* Helpers */
258 #define	MKISOFS_PATH		"/usr/bin/mkisofs"
259 #define	DD_PATH_USR		"/usr/bin/dd"
260 #define	LOCKFS_PATH		"/usr/sbin/lockfs"
261 
262 /* A first guess at the number of entries in a menu */
263 #define	BAM_ENTRY_NUM		10
264 
265 /*
266  * Debugging defines
267  */
268 #define	INJECT_ERROR1(x, y)	\
269 { \
270 	if (bam_debug) { \
271 		char *inj = getenv("_BOOTADM_INJECT"); \
272 		if (inj && strcmp(inj, (x)) == 0) {  \
273 			y;	\
274 		} \
275 	} \
276 }
277 
278 #define	INJECT_ERROR2(x, y, z)	\
279 { \
280 	if (bam_debug) { \
281 		char *inj = getenv("_BOOTADM_INJECT"); \
282 		if (inj && strcmp(inj, (x)) == 0) {  \
283 			y;	\
284 			z;	\
285 		} \
286 	} \
287 }
288 
289 #define	BAM_DPRINTF(x)	{if (bam_debug)  bam_derror x; }
290 
291 #ifdef __cplusplus
292 }
293 #endif
294 
295 #endif	/* _BOOTADM_H */
296