xref: /illumos-gate/usr/src/cmd/boot/bootadm/bootadm.h (revision 2f7f7a62d7a3e8a2e75eb88b95bc65871b6b90cb)
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  * Copyright 2016 Toomas Soome <tsoome@me.com>.
26  */
27 
28 #ifndef _BOOTADM_H
29 #define	_BOOTADM_H
30 
31 #ifdef	__cplusplus
32 extern "C" {
33 #endif
34 
35 #include <assert.h>
36 
37 #ifndef	TEXT_DOMAIN
38 #define	TEXT_DOMAIN	"SUNW_OST_OSCMD"
39 #endif  /* TEXT_DOMAIN */
40 
41 /* Type definitions */
42 
43 /* GRUB menu per-line classification */
44 typedef enum {
45 	BAM_INVALID = 0,
46 	BAM_EMPTY,
47 	BAM_COMMENT,
48 	BAM_GLOBAL,
49 	BAM_ENTRY,
50 	BAM_TITLE
51 } menu_flag_t;
52 
53 /* struct for menu.lst contents */
54 typedef struct line {
55 	int  lineNum;	/* Line number in menu.lst */
56 	int  entryNum;	/* menu boot entry #. ENTRY_INIT if not applicable */
57 	char *cmd;
58 	char *sep;
59 	char *arg;
60 	char *line;
61 	menu_flag_t flags;
62 	struct line *next;
63 	struct line *prev;
64 } line_t;
65 
66 typedef struct entry {
67 	struct entry *next;
68 	struct entry *prev;
69 	line_t *start;
70 	line_t *end;
71 	int	entryNum;
72 	uint_t	flags;
73 } entry_t;
74 
75 /* For flags value in entry_t */
76 #define	BAM_ENTRY_BOOTADM	0x01	/* entry created by bootadm */
77 #define	BAM_ENTRY_LU		0x02	/* entry created by Live Upgrade */
78 #define	BAM_ENTRY_CHAINLOADER	0x04	/* chainloader entry; do not disturb */
79 #define	BAM_ENTRY_ROOT		0x08	/* entry has a root line */
80 #define	BAM_ENTRY_FAILSAFE	0x10	/* failsafe entry  */
81 #define	BAM_ENTRY_DBOOT		0x20	/* Is dboot (normal or failsafe) */
82 #define	BAM_ENTRY_32BIT		0x40	/* Is a 32-bit entry */
83 #define	BAM_ENTRY_HV		0x80	/* Is a hypervisor entry */
84 #define	BAM_ENTRY_FINDROOT	0x100	/* entry has a findroot line */
85 #define	BAM_ENTRY_MULTIBOOT	0x200	/* is multiboot (normal or failsafe) */
86 #define	BAM_ENTRY_64BIT		0x400	/* Is a 64-bit entry */
87 
88 #define	BAM_ENTRY_UPGFSKERNEL	0x800	/* Upgrade failsafe kernel entry */
89 #define	BAM_ENTRY_UPGFSMODULE	0x1000  /* Upgrade failsafe module entry */
90 
91 #define	BAM_ENTRY_LIBBE		0x2000	/* entry created by libbe */
92 
93 typedef struct {
94 	line_t	*start;
95 	line_t	*end;
96 	line_t	*curdefault;	/* line containing default */
97 	line_t	*olddefault;	/* old default line (commented) */
98 	line_t	*old_rc_default;	/* old default line for bootenv.rc */
99 	entry_t	*entries;	/* os entries */
100 } menu_t;
101 
102 typedef enum {
103 	BAM_ERROR = -1,	/* Must be negative. add_boot_entry() depends on it */
104 	BAM_SUCCESS = 0,
105 	BAM_WRITE = 2,
106 	BAM_MSG,	/* Used by upgrade_menu() */
107 	BAM_NOCHANGE	/* Used by cvt_to_hyper()/cvt_to_metal() */
108 } error_t;
109 
110 /*
111  * Menu related
112  * menu_cmd_t and menu_cmds must be kept in sync
113  *
114  * The *_DOLLAR_CMD values must be 1 greater than the
115  * respective [KERNEL|MODULE]_CMD values.
116  */
117 typedef enum {
118 	DEFAULT_CMD = 0,
119 	TIMEOUT_CMD,
120 	TITLE_CMD,
121 	ROOT_CMD,
122 	KERNEL_CMD,
123 	KERNEL_DOLLAR_CMD,	/* Must be KERNEL_CMD + 1 */
124 	MODULE_CMD,
125 	MODULE_DOLLAR_CMD,	/* Must be MODULE_CMD + 1 */
126 	SEP_CMD,
127 	COMMENT_CMD,
128 	CHAINLOADER_CMD,
129 	ARGS_CMD,
130 	FINDROOT_CMD,
131 	BOOTFS_CMD
132 } menu_cmd_t;
133 
134 extern char *menu_cmds[];
135 
136 /* For multi- or direct-boot */
137 typedef enum {
138 	BAM_DIRECT_NOT_SET,
139 	BAM_DIRECT_MULTIBOOT,
140 	BAM_DIRECT_DBOOT
141 } direct_or_multi_t;
142 
143 /* Is there a hypervisor present? */
144 typedef enum {
145 	BAM_HV_UNKNOWN,
146 	BAM_HV_NO,
147 	BAM_HV_PRESENT
148 } hv_t;
149 
150 /* Is there findroot capability present ? */
151 typedef enum {
152 	BAM_FINDROOT_UNKNOWN,
153 	BAM_FINDROOT_ABSENT,
154 	BAM_FINDROOT_PRESENT
155 } findroot_t;
156 
157 extern int bam_verbose;
158 extern int bam_force;
159 extern direct_or_multi_t bam_direct;
160 extern hv_t bam_is_hv;
161 extern findroot_t bam_is_findroot;
162 extern int bam_debug;
163 
164 extern void bam_add_line(menu_t *mp, entry_t *entry, line_t *prev, line_t *lp);
165 extern void update_numbering(menu_t *mp);
166 extern error_t set_global(menu_t *, char *, int);
167 extern error_t upgrade_menu(menu_t *, char *, char *);
168 extern error_t cvt_to_hyper(menu_t *, char *, char *);
169 extern error_t cvt_to_metal(menu_t *, char *, char *);
170 extern void *s_calloc(size_t, size_t);
171 extern void *s_realloc(void *, size_t);
172 extern char *s_fgets(char *buf, int n, FILE *fp);
173 extern void bam_error(char *format, ...);
174 extern void bam_exit(int);
175 extern void bam_print(char *, ...);
176 extern void bam_print_stderr(char *format, ...);
177 extern void bam_derror(char *format, ...);
178 extern error_t get_boot_cap(const char *osroot);
179 extern char *get_special(char *);
180 extern char *os_to_grubdisk(char *, int);
181 extern void update_line(line_t *);
182 extern int add_boot_entry(menu_t *, char *, char *, char *, char *, char *,
183     char *);
184 extern error_t delete_boot_entry(menu_t *, int, int);
185 extern int is_grub(const char *);
186 extern char *get_grubsign(char *osroot, char *osdev);
187 extern char *get_grubroot(char *osroot, char *osdev, char *menu_root);
188 extern int root_optional(char *osroot, char *menu_root);
189 extern void unlink_line(menu_t *mp, line_t *lp);
190 extern void line_free(line_t *lp);
191 extern char *s_strdup(char *);
192 extern int is_sparc(void);
193 extern int bootadm_digest(const char *, char **);
194 
195 #define	BAM_MAXLINE	8192
196 
197 /* menu.lst comments created by bootadm */
198 #define	BAM_BOOTADM_HDR	"---------- ADDED BY BOOTADM - DO NOT EDIT ----------"
199 #define	BAM_BOOTADM_FTR	"---------------------END BOOTADM--------------------"
200 
201 /*
202  * menu.lst comments create by Live Upgrade.  Note that these are the end of
203  * the comment strings - there will be other text before them.
204  */
205 #define	BAM_LU_HDR	" - ADDED BY LIVE UPGRADE - DO NOT EDIT  -----"
206 #define	BAM_LU_FTR	" -------------- END LIVE UPGRADE ------------"
207 
208 #define	BAM_OLDDEF	"BOOTADM SAVED DEFAULT: "
209 #define	BAM_OLD_RC_DEF	"BOOTADM RC SAVED DEFAULT: "
210 
211 /*
212  * menu.lst comment created by libbe
213  */
214 #define	BAM_LIBBE_FTR	"============ End of LIBBE entry ============="
215 
216 /* Title used for failsafe entries */
217 #define	FAILSAFE_TITLE	"Solaris failsafe"
218 
219 /* Title used for hv entries */
220 #define	NEW_HV_ENTRY	"Solaris xVM"
221 
222 /* ZFS boot option */
223 #define	ZFS_BOOT	"-B $ZFS-BOOTFS"
224 
225 /* multiboot */
226 #define	MULTI_BOOT	"/platform/i86pc/multiboot"
227 #define	MULTI_BOOT_FAILSAFE	"/boot/multiboot"
228 #define	MULTI_BOOT_FAILSAFE_UNIX	"kernel/unix"
229 #define	MULTI_BOOT_FAILSAFE_LINE	"/boot/multiboot kernel/unix -s"
230 
231 /* directboot kernels */
232 #define	DIRECT_BOOT_32	"/platform/i86pc/kernel/unix"
233 #define	DIRECT_BOOT_64	"/platform/i86pc/kernel/amd64/unix"
234 #define	DIRECT_BOOT_KERNEL	"/platform/i86pc/kernel/$ISADIR/unix"
235 #define	DIRECT_BOOT_FAILSAFE_32	"/boot/platform/i86pc/kernel/unix"
236 #define	DIRECT_BOOT_FAILSAFE_64	"/boot/platform/i86pc/kernel/amd64/unix"
237 #define	DIRECT_BOOT_FAILSAFE_KERNEL \
238 	"/boot/platform/i86pc/kernel/$ISADIR/unix"
239 #define	DIRECT_BOOT_FAILSAFE_LINE	DIRECT_BOOT_FAILSAFE_KERNEL " -s"
240 #define	DIRECT_BOOT_KERNEL_ZFS	DIRECT_BOOT_KERNEL " " ZFS_BOOT
241 #define	DIRECT_BOOT_PREFIX	"/platform/i86pc/"
242 #define	KERNEL_PREFIX	"/platform/i86pc/"
243 #define	AMD_UNIX_SPACE	"/amd64/unix "
244 #define	UNIX_SPACE	"/unix "
245 
246 /* xVM kernels */
247 #define	XEN_KERNEL_SUBSTR "xen.gz"
248 
249 /* Boot archives */
250 #define	ARCHIVE_PREFIX		"/platform/"
251 #define	ARCHIVE_SUFFIX		"/boot_archive"
252 #define	CACHEDIR_SUFFIX		"/archive_cache"
253 #define	UPDATEDIR_SUFFIX	"/updates"
254 #define	DIRECT_BOOT_ARCHIVE	"/platform/i86pc/$ISADIR/boot_archive"
255 #define	DIRECT_BOOT_ARCHIVE_32	"/platform/i86pc/boot_archive"
256 #define	DIRECT_BOOT_ARCHIVE_64	"/platform/i86pc/amd64/boot_archive"
257 #define	MULTIBOOT_ARCHIVE	DIRECT_BOOT_ARCHIVE_32
258 #define	FAILSAFE_ARCHIVE	"/boot/$ISADIR/x86.miniroot-safe"
259 #define	FAILSAFE_ARCHIVE_32	"/boot/x86.miniroot-safe"
260 #define	FAILSAFE_ARCHIVE_64	"/boot/amd64/x86.miniroot-safe"
261 #define	CACHEDIR_32		"/platform/i86pc/archive_cache"
262 #define	CACHEDIR_64		"/platform/i86pc/amd64/archive_cache"
263 #define	UPDATEDIR_32		"/platform/i86pc/updates"
264 #define	UPDATEDIR_64		"/platform/i86pc/amd64/updates"
265 
266 /* Hypervisors */
267 #define	XEN_64			"/boot/amd64/xen.gz"
268 #define	XEN_MENU		"/boot/$ISADIR/xen.gz"
269 #define	HYPERVISOR_KERNEL	"/platform/i86xpv/kernel/$ISADIR/unix"
270 #define	XEN_KERNEL_MODULE_LINE	HYPERVISOR_KERNEL " " HYPERVISOR_KERNEL
271 #define	XEN_KERNEL_MODULE_LINE_ZFS	\
272 	HYPERVISOR_KERNEL " " HYPERVISOR_KERNEL " " ZFS_BOOT
273 
274 /* Helpers */
275 #define	MKISOFS_PATH		"/usr/bin/mkisofs"
276 #define	DD_PATH_USR		"/usr/bin/dd"
277 #define	LOCKFS_PATH		"/usr/sbin/lockfs"
278 
279 /* A first guess at the number of entries in a menu */
280 #define	BAM_ENTRY_NUM		10
281 
282 /* toggle for whether delete_boot_entry prints an error message or not */
283 #define	DBE_PRINTERR		0
284 #define	DBE_QUIET		1
285 
286 /*
287  * Debugging defines
288  */
289 #define	INJECT_ERROR1(x, y)	\
290 { \
291 	if (bam_debug) { \
292 		char *inj = getenv("_BOOTADM_INJECT"); \
293 		if (inj && strcmp(inj, (x)) == 0) {  \
294 			y;	\
295 		} \
296 	} \
297 }
298 
299 #define	INJECT_ERROR2(x, y, z)	\
300 { \
301 	if (bam_debug) { \
302 		char *inj = getenv("_BOOTADM_INJECT"); \
303 		if (inj && strcmp(inj, (x)) == 0) {  \
304 			y;	\
305 			z;	\
306 		} \
307 	} \
308 }
309 
310 #define	BAM_DPRINTF(x)	{if (bam_debug)  bam_derror x; }
311 
312 #ifdef __cplusplus
313 }
314 #endif
315 
316 #endif	/* _BOOTADM_H */
317