2 * Copyright (c) 1998 Michael Smith.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * From $NetBSD: stand.h,v 1.22 1997/06/26 19:17:40 drochner Exp $
32 * The Regents of the University of California. All rights reserved.
34 * Redistribution and use in source and binary forms, with or without
35 * modification, are permitted provided that the following conditions
37 * 1. Redistributions of source code must retain the above copyright
38 * notice, this list of conditions and the following disclaimer.
39 * 2. Redistributions in binary form must reproduce the above copyright
40 * notice, this list of conditions and the following disclaimer in the
41 * documentation and/or other materials provided with the distribution.
42 * 3. Neither the name of the University nor the names of its contributors
43 * may be used to endorse or promote products derived from this software
44 * without specific prior written permission.
46 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
47 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
48 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
49 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
50 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
51 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
52 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
53 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
54 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
55 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
58 * @(#)stand.h 8.1 (Berkeley) 6/11/93
64 #include <sys/cdefs.h>
66 #include <sys/types.h>
68 #include <sys/dirent.h>
69 #include <sys/queue.h>
71 /* this header intentionally exports NULL from <string.h> */
73 #define strcoll(a, b) strcmp((a), (b))
75 #define CHK(fmt, args...) printf("%s(%d): " fmt "\n", __func__, __LINE__ , ##args)
76 #define PCHK(fmt, args...) {printf("%s(%d): " fmt "\n", __func__, __LINE__ , ##args); getchar();}
78 #include <sys/errno.h>
80 /* special stand error codes */
81 #define EADAPT (ELAST+1) /* bad adaptor */
82 #define ECTLR (ELAST+2) /* bad controller */
83 #define EUNIT (ELAST+3) /* bad unit */
84 #define ESLICE (ELAST+4) /* bad slice */
85 #define EPART (ELAST+5) /* bad partition */
86 #define ERDLAB (ELAST+6) /* can't read disk label */
87 #define EUNLAB (ELAST+7) /* unlabeled disk */
88 #define EOFFSET (ELAST+8) /* relative seek not supported */
89 #define ESALAST (ELAST+8) /* */
91 /* Partial signal emulation for sig_atomic_t */
92 #include <machine/signal.h>
99 * This structure is used to define file system operations in a file system
102 * XXX note that filesystem providers should export a pointer to their fs_ops
103 * struct, so that consumers can reference this and thus include the
104 * filesystems that they require.
108 int (*fo_open)(const char *path, struct open_file *f);
109 int (*fo_close)(struct open_file *f);
110 int (*fo_read)(struct open_file *f, void *buf,
111 size_t size, size_t *resid);
112 int (*fo_write)(struct open_file *f, const void *buf,
113 size_t size, size_t *resid);
114 off_t (*fo_seek)(struct open_file *f, off_t offset, int where);
115 int (*fo_stat)(struct open_file *f, struct stat *sb);
116 int (*fo_readdir)(struct open_file *f, struct dirent *d);
117 int (*fo_preload)(struct open_file *f);
118 int (*fo_mount)(const char *, const char *, void **);
119 int (*fo_unmount)(const char *, void *);
123 * libsa-supplied filesystems
125 extern struct fs_ops ufs_fsops;
126 extern struct fs_ops tftp_fsops;
127 extern struct fs_ops nfs_fsops;
128 extern struct fs_ops cd9660_fsops;
129 extern struct fs_ops gzipfs_fsops;
130 extern struct fs_ops bzipfs_fsops;
131 extern struct fs_ops dosfs_fsops;
132 extern struct fs_ops ext2fs_fsops;
133 extern struct fs_ops splitfs_fsops;
134 extern struct fs_ops pkgfs_fsops;
135 extern struct fs_ops efihttp_fsops;
137 /* where values for lseek(2) */
138 #define SEEK_SET 0 /* set file offset to offset */
139 #define SEEK_CUR 1 /* set file offset to current plus offset */
140 #define SEEK_END 2 /* set file offset to EOF plus offset */
145 #define DEV_NAMLEN 8 /* Length of name of device class */
146 #define DEV_DEVLEN 128 /* Length of longest device instance name */
149 const char dv_name[DEV_NAMLEN];
150 int dv_type; /* opaque type constant */
157 int (*dv_init)(void); /* early probe call */
158 int (*dv_strategy)(void *devdata, int rw, daddr_t blk,
159 size_t size, char *buf, size_t *rsize);
160 int (*dv_open)(struct open_file *f, ...);
161 int (*dv_close)(struct open_file *f);
162 int (*dv_ioctl)(struct open_file *f, u_long cmd, void *data);
163 int (*dv_print)(int verbose); /* print device information */
164 void (*dv_cleanup)(void);
165 char * (*dv_fmtdev)(struct devdesc *);
166 int (*dv_parsedev)(struct devdesc **, const char *, const char **);
167 bool (*dv_match)(struct devsw *, const char *);
171 * libsa-supplied device switch
173 extern struct devsw netdev;
178 * Generic device specifier; architecture-dependent versions may be larger, but
179 * should be allowed to overlap. The larger device specifiers store more data
180 * than can fit in the generic one that's gleaned after parsing the device
181 * string, or used in some cases to indicate wildcards that match a variety of
182 * situations based on what's on the drive itself rather than what the progammer
183 * might know in advance. Information about open files is stored in d_opendata,
184 * though what's passed into the open routine may differ from what's present
185 * after the open on some configurations.
193 char *devformat(struct devdesc *d);
194 int devparse(struct devdesc **, const char *, const char **);
196 void dev_cleanup(void);
199 int f_flags; /* see F_* below */
200 struct devsw *f_dev; /* pointer to device operations */
201 void *f_devdata; /* device specific data */
202 struct fs_ops *f_ops; /* pointer to file system operations */
203 void *f_fsdata; /* file system specific data */
204 off_t f_offset; /* current file offset */
205 char *f_rabuf; /* readahead buffer pointer */
206 size_t f_ralen; /* valid data in readahead buffer */
207 off_t f_raoffset; /* consumer offset in readahead buffer */
208 int f_id; /* file number */
209 TAILQ_ENTRY(open_file) f_link; /* next entry */
210 #define SOPEN_RASIZE 512
213 typedef TAILQ_HEAD(file_list, open_file) file_list_t;
214 extern file_list_t files;
215 extern struct open_file *fd2open_file(int);
218 #define F_READ 0x0001 /* file opened for reading */
219 #define F_WRITE 0x0002 /* file opened for writing */
220 #define F_RAW 0x0004 /* raw device open - no file system */
221 #define F_NODEV 0x0008 /* network open - no device */
222 #define F_MASK 0xFFFF
223 /* Mode modifier for strategy() */
224 #define F_NORA (0x01 << 16) /* Disable Read-Ahead */
226 #define isascii(c) (((c) & ~0x7F) == 0)
228 static __inline int isupper(int c)
230 return c >= 'A' && c <= 'Z';
233 static __inline int islower(int c)
235 return c >= 'a' && c <= 'z';
238 static __inline int isspace(int c)
240 return c == ' ' || (c >= 0x9 && c <= 0xd);
243 static __inline int isdigit(int c)
245 return c >= '0' && c <= '9';
248 static __inline int isxdigit(int c)
250 return isdigit(c) || (c >= 'a' && c <= 'f') || (c >= 'A' && c <= 'F');
253 static __inline int isalpha(int c)
255 return isupper(c) || islower(c);
258 static __inline int isalnum(int c)
260 return isalpha(c) || isdigit(c);
263 static __inline int iscntrl(int c)
265 return (c >= 0 && c < ' ') || c == 127;
268 static __inline int isgraph(int c)
270 return c >= '!' && c <= '~';
273 static __inline int ispunct(int c)
275 return (c >= '!' && c <= '/') || (c >= ':' && c <= '@') ||
276 (c >= '[' && c <= '`') || (c >= '{' && c <= '~');
279 static __inline int toupper(int c)
281 return islower(c) ? c - 'a' + 'A' : c;
284 static __inline int tolower(int c)
286 return isupper(c) ? c - 'A' + 'a' : c;
290 extern void setheap(void *base, void *top);
291 extern char *sbrk(int incr);
293 extern int printf(const char *fmt, ...) __printflike(1, 2);
294 extern int asprintf(char **buf, const char *cfmt, ...) __printflike(2, 3);
295 extern int sprintf(char *buf, const char *cfmt, ...) __printflike(2, 3);
296 extern int snprintf(char *buf, size_t size, const char *cfmt, ...) __printflike(3, 4);
297 extern int vprintf(const char *fmt, __va_list);
298 extern int vsprintf(char *buf, const char *cfmt, __va_list);
299 extern int vsnprintf(char *buf, size_t size, const char *cfmt, __va_list);
301 extern void twiddle(u_int callerdiv);
302 extern void twiddle_divisor(u_int globaldiv);
304 extern void ngets(char *, int);
305 #define gets(x) ngets((x), 0)
306 extern int fgetstr(char *buf, int size, int fd);
308 extern int mount(const char *dev, const char *path, int flags, void *data);
309 extern int unmount(const char *dev, int flags);
310 extern int open(const char *, int);
314 #define O_ACCMODE 0x3
315 /* NOT IMPLEMENTED */
316 #define O_CREAT 0x0200 /* create if nonexistent */
317 #define O_TRUNC 0x0400 /* truncate to zero length */
318 extern int close(int);
319 extern void closeall(void);
320 extern ssize_t read(int, void *, size_t);
321 extern ssize_t write(int, const void *, size_t);
322 extern int ioctl(int, u_long, void *);
323 extern struct dirent *readdirfd(int);
324 extern void preload(int);
326 extern void srandom(unsigned int);
327 extern long random(void);
329 /* imports from stdlib, locally modified */
330 extern char *optarg; /* getopt(3) external variables */
331 extern int optind, opterr, optopt, optreset;
332 extern int getopt(int, char * const [], const char *);
335 extern void pager_open(void);
336 extern void pager_close(void);
337 extern int pager_output(const char *lines);
338 extern int pager_file(const char *fname);
340 /* No signal state to preserve */
341 #define setjmp _setjmp
342 #define longjmp _longjmp
345 #define EV_DYNAMIC (1<<0) /* value was dynamically allocated, free if changed/unset */
346 #define EV_VOLATILE (1<<1) /* value is volatile, make a copy of it */
347 #define EV_NOHOOK (1<<2) /* don't call hook when setting */
350 typedef char *(ev_format_t)(struct env_var *ev);
351 typedef int (ev_sethook_t)(struct env_var *ev, int flags,
353 typedef int (ev_unsethook_t)(struct env_var *ev);
360 ev_sethook_t *ev_sethook;
361 ev_unsethook_t *ev_unsethook;
362 struct env_var *ev_next, *ev_prev;
364 extern struct env_var *environ;
366 extern struct env_var *env_getenv(const char *name);
367 extern int env_setenv(const char *name, int flags,
368 const void *value, ev_sethook_t sethook,
369 ev_unsethook_t unsethook);
370 extern void env_discard(struct env_var *);
371 extern char *getenv(const char *name);
372 extern int setenv(const char *name, const char *value,
374 extern int putenv(char *string);
375 extern int unsetenv(const char *name);
377 extern ev_sethook_t env_noset; /* refuse set operation */
378 extern ev_unsethook_t env_nounset; /* refuse unset operation */
380 /* stdlib.h routines */
381 extern int abs(int a);
382 extern void abort(void) __dead2;
383 extern long strtol(const char * __restrict, char ** __restrict, int);
384 extern long long strtoll(const char * __restrict, char ** __restrict, int);
385 extern unsigned long strtoul(const char * __restrict, char ** __restrict, int);
386 extern unsigned long long strtoull(const char * __restrict, char ** __restrict, int);
388 /* BCD conversions (undocumented) */
389 extern u_char const bcd2bin_data[];
390 extern u_char const bin2bcd_data[];
391 extern char const hex2ascii_data[];
393 #define bcd2bin(bcd) (bcd2bin_data[bcd])
394 #define bin2bcd(bin) (bin2bcd_data[bin])
395 #define hex2ascii(hex) (hex2ascii_data[hex])
396 #define validbcd(bcd) (bcd == 0 || (bcd > 0 && bcd <= 0x99 && bcd2bin_data[bcd] != 0))
398 /* min/max (undocumented) */
399 static __inline int imax(int a, int b) { return (a > b ? a : b); }
400 static __inline int imin(int a, int b) { return (a < b ? a : b); }
401 static __inline long lmax(long a, long b) { return (a > b ? a : b); }
402 static __inline long lmin(long a, long b) { return (a < b ? a : b); }
403 static __inline u_int max(u_int a, u_int b) { return (a > b ? a : b); }
404 static __inline u_int min(u_int a, u_int b) { return (a < b ? a : b); }
405 static __inline quad_t qmax(quad_t a, quad_t b) { return (a > b ? a : b); }
406 static __inline quad_t qmin(quad_t a, quad_t b) { return (a < b ? a : b); }
407 static __inline u_long ulmax(u_long a, u_long b) { return (a > b ? a : b); }
408 static __inline u_long ulmin(u_long a, u_long b) { return (a < b ? a : b); }
410 /* null functions for device/filesystem switches (undocumented) */
411 extern int nodev(void);
412 extern int noioctl(struct open_file *, u_long, void *);
413 extern void nullsys(void);
415 extern int null_open(const char *path, struct open_file *f);
416 extern int null_close(struct open_file *f);
417 extern int null_read(struct open_file *f, void *buf, size_t size, size_t *resid);
418 extern int null_write(struct open_file *f, const void *buf, size_t size, size_t *resid);
419 extern off_t null_seek(struct open_file *f, off_t offset, int where);
420 extern int null_stat(struct open_file *f, struct stat *sb);
421 extern int null_readdir(struct open_file *f, struct dirent *d);
425 * Machine dependent functions and data, must be provided or stubbed by
428 extern void exit(int) __dead2;
429 extern int getchar(void);
430 extern int ischar(void);
431 extern void putchar(int);
432 extern int devopen(struct open_file *, const char *, const char **);
433 extern int devclose(struct open_file *f);
434 extern void panic(const char *, ...) __dead2 __printflike(1, 2);
435 extern void panic_action(void) __weak_symbol __dead2;
436 extern time_t getsecs(void);
437 extern struct fs_ops *file_system[];
438 extern struct fs_ops *exclusive_file_system;
439 extern struct devsw *devsw[];
444 time_t time(time_t *);
447 * Expose byteorder(3) functions.
449 #ifndef _BYTEORDER_PROTOTYPED
450 #define _BYTEORDER_PROTOTYPED
451 extern uint32_t htonl(uint32_t);
452 extern uint16_t htons(uint16_t);
453 extern uint32_t ntohl(uint32_t);
454 extern uint16_t ntohs(uint16_t);
457 #ifndef _BYTEORDER_FUNC_DEFINED
458 #define _BYTEORDER_FUNC_DEFINED
459 #define htonl(x) __htonl(x)
460 #define htons(x) __htons(x)
461 #define ntohl(x) __ntohl(x)
462 #define ntohs(x) __ntohs(x)
465 void *Malloc(size_t, const char *, int);
466 void *Memalign(size_t, size_t, const char *, int);
467 void *Calloc(size_t, size_t, const char *, int);
468 void *Realloc(void *, size_t, const char *, int);
469 void *Reallocf(void *, size_t, const char *, int);
470 void Free(void *, const char *, int);
471 extern void mallocstats(void);
473 const char *x86_hypervisor(void);
476 extern void *malloc(size_t);
477 extern void *memalign(size_t, size_t);
478 extern void *calloc(size_t, size_t);
479 extern void free(void *);
480 extern void *realloc(void *, size_t);
481 extern void *reallocf(void *, size_t);
482 #elif defined(DEBUG_MALLOC)
483 #define malloc(x) Malloc(x, __FILE__, __LINE__)
484 #define memalign(x, y) Memalign(x, y, __FILE__, __LINE__)
485 #define calloc(x, y) Calloc(x, y, __FILE__, __LINE__)
486 #define free(x) Free(x, __FILE__, __LINE__)
487 #define realloc(x, y) Realloc(x, y, __FILE__, __LINE__)
488 #define reallocf(x, y) Reallocf(x, y, __FILE__, __LINE__)
490 #define malloc(x) Malloc(x, NULL, 0)
491 #define memalign(x, y) Memalign(x, y, NULL, 0)
492 #define calloc(x, y) Calloc(x, y, NULL, 0)
493 #define free(x) Free(x, NULL, 0)
494 #define realloc(x, y) Realloc(x, y, NULL, 0)
495 #define reallocf(x, y) Reallocf(x, y, NULL, 0)
499 * va <-> pa routines. MD code must supply.
501 caddr_t ptov(uintptr_t);
504 void hexdump(caddr_t region, size_t len);
507 typedef int (nvstore_getter_cb_t)(void *, const char *, void **);
508 typedef int (nvstore_setter_cb_t)(void *, int, const char *,
509 const void *, size_t);
510 typedef int (nvstore_setter_str_cb_t)(void *, const char *, const char *,
512 typedef int (nvstore_unset_cb_t)(void *, const char *);
513 typedef int (nvstore_print_cb_t)(void *, void *);
514 typedef int (nvstore_iterate_cb_t)(void *, int (*)(void *, void *));
516 typedef struct nvs_callbacks {
517 nvstore_getter_cb_t *nvs_getter;
518 nvstore_setter_cb_t *nvs_setter;
519 nvstore_setter_str_cb_t *nvs_setter_str;
520 nvstore_unset_cb_t *nvs_unset;
521 nvstore_print_cb_t *nvs_print;
522 nvstore_iterate_cb_t *nvs_iterate;
525 int nvstore_init(const char *, nvs_callbacks_t *, void *);
526 int nvstore_fini(const char *);
527 void *nvstore_get_store(const char *);
528 int nvstore_print(void *);
529 int nvstore_get_var(void *, const char *, void **);
530 int nvstore_set_var(void *, int, const char *, void *, size_t);
531 int nvstore_set_var_from_string(void *, const char *, const char *,
533 int nvstore_unset_var(void *, const char *);
536 #define TSRAW(a, b, c) tslog(a, b, c)
537 #define TSENTER() TSRAW("ENTER", __func__, NULL)
538 #define TSENTER2(x) TSRAW("ENTER", __func__, x)
539 #define TSEXIT() TSRAW("EXIT", __func__, NULL)
540 #define TSLINE() TSRAW("EVENT", __FILE__, __XSTRING(__LINE__))
541 void tslog(const char *, const char *, const char *);
542 void tslog_setbuf(void * buf, size_t len);
543 void tslog_getbuf(void ** buf, size_t * len);