File: | src/sbin/scsi/libscsi.c |
Warning: | line 460, column 12 Assigned value is garbage or undefined |
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1 | /* $OpenBSD: libscsi.c,v 1.11 2016/01/28 17:26:10 gsoares Exp $ */ | |||
2 | ||||
3 | /* Copyright (c) 1994 HD Associates | |||
4 | * (contact: dufault@hda.com) | |||
5 | * All rights reserved. | |||
6 | * | |||
7 | * Redistribution and use in source and binary forms, with or without | |||
8 | * modification, are permitted provided that the following conditions | |||
9 | * are met: | |||
10 | * 1. Redistributions of source code must retain the above copyright | |||
11 | * notice, this list of conditions and the following disclaimer. | |||
12 | * 2. Redistributions in binary form must reproduce the above copyright | |||
13 | * notice, this list of conditions and the following disclaimer in the | |||
14 | * documentation and/or other materials provided with the distribution. | |||
15 | * 3. All advertising materials mentioning features or use of this software | |||
16 | * must display the following acknowledgement: | |||
17 | * This product includes software developed by HD Associates | |||
18 | * 4. Neither the name of the HD Associaates nor the names of its contributors | |||
19 | * may be used to endorse or promote products derived from this software | |||
20 | * without specific prior written permission. | |||
21 | * | |||
22 | * THIS SOFTWARE IS PROVIDED BY HD ASSOCIATES``AS IS'' AND | |||
23 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |||
24 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |||
25 | * ARE DISCLAIMED. IN NO EVENT SHALL HD ASSOCIATES OR CONTRIBUTORS BE LIABLE | |||
26 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |||
27 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |||
28 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |||
29 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |||
30 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |||
31 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |||
32 | * SUCH DAMAGE. | |||
33 | * | |||
34 | * $FreeBSD: scsi.c,v 1.6 1995/05/30 05:47:26 rgrimes Exp $ | |||
35 | */ | |||
36 | #include <stdlib.h> | |||
37 | #include <stdio.h> | |||
38 | #include <ctype.h> | |||
39 | #include <string.h> | |||
40 | #include <sys/scsiio.h> | |||
41 | #include <errno(*__errno()).h> | |||
42 | #include <stdarg.h> | |||
43 | #include <fcntl.h> | |||
44 | ||||
45 | #include "libscsi.h" | |||
46 | ||||
47 | static struct { | |||
48 | FILE *db_f; | |||
49 | int db_level; | |||
50 | int db_trunc; | |||
51 | } behave; | |||
52 | ||||
53 | /* scsireq_reset: Reset a scsireq structure. | |||
54 | */ | |||
55 | scsireq_t * | |||
56 | scsireq_reset(scsireq_t *scsireq) | |||
57 | { | |||
58 | if (scsireq == 0) | |||
59 | return scsireq; | |||
60 | ||||
61 | scsireq->flags = 0; /* info about the request status and type */ | |||
62 | scsireq->timeout = 2000; /* 2 seconds */ | |||
63 | bzero(scsireq->cmd, sizeof(scsireq->cmd)); | |||
64 | scsireq->cmdlen = 0; | |||
65 | /* Leave scsireq->databuf alone */ | |||
66 | /* Leave scsireq->datalen alone */ | |||
67 | scsireq->datalen_used = 0; | |||
68 | bzero(scsireq->sense, sizeof(scsireq->sense)); | |||
69 | scsireq->senselen = sizeof(scsireq->sense); | |||
70 | scsireq->senselen_used = 0; | |||
71 | scsireq->status = 0; | |||
72 | scsireq->retsts = 0; | |||
73 | scsireq->error = 0; | |||
74 | ||||
75 | return scsireq; | |||
76 | } | |||
77 | ||||
78 | /* scsireq_new: Allocate and initialize a new scsireq. | |||
79 | */ | |||
80 | scsireq_t * | |||
81 | scsireq_new(void) | |||
82 | { | |||
83 | scsireq_t *p = malloc(sizeof(scsireq_t)); | |||
84 | ||||
85 | if (p) | |||
86 | scsireq_reset(p); | |||
87 | ||||
88 | return p; | |||
89 | } | |||
90 | ||||
91 | /* | |||
92 | * Decode: Decode the data section of a scsireq. This decodes | |||
93 | * trivial grammar: | |||
94 | * | |||
95 | * fields : field fields | |||
96 | * ; | |||
97 | * | |||
98 | * field : field_specifier | |||
99 | * | control | |||
100 | * ; | |||
101 | * | |||
102 | * control : 's' seek_value | |||
103 | * | 's' '+' seek_value | |||
104 | * ; | |||
105 | * | |||
106 | * seek_value : DECIMAL_NUMBER | |||
107 | * | 'v' // For indirect seek, i.e., value from the arg list | |||
108 | * ; | |||
109 | * | |||
110 | * field_specifier : type_specifier field_width | |||
111 | * | '{' NAME '}' type_specifier field_width | |||
112 | * ; | |||
113 | * | |||
114 | * field_width : DECIMAL_NUMBER | |||
115 | * ; | |||
116 | * | |||
117 | * type_specifier : 'i' // Integral types (i1, i2, i3, i4) | |||
118 | * | 'b' // Bits | |||
119 | * | 't' // Bits | |||
120 | * | 'c' // Character arrays | |||
121 | * | 'z' // Character arrays with zeroed trailing spaces | |||
122 | * ; | |||
123 | * | |||
124 | * Notes: | |||
125 | * 1. Integral types are swapped into host order. | |||
126 | * 2. Bit fields are allocated MSB to LSB to match the SCSI spec documentation. | |||
127 | * 3. 's' permits "seeking" in the string. "s+DECIMAL" seeks relative to | |||
128 | * DECIMAL; "sDECIMAL" seeks absolute to decimal. | |||
129 | * 4. 's' permits an indirect reference. "sv" or "s+v" will get the | |||
130 | * next integer value from the arg array. | |||
131 | * 5. Field names can be anything between the braces | |||
132 | * | |||
133 | * BUGS: | |||
134 | * i and b types are promoted to ints. | |||
135 | * | |||
136 | */ | |||
137 | static int | |||
138 | do_buff_decode(u_char *databuf, size_t len, | |||
139 | void (*arg_put)(void *, int , void *, int, char *), | |||
140 | void *puthook, char *fmt, va_list ap) | |||
141 | { | |||
142 | int assigned = 0; | |||
143 | int width; | |||
144 | int suppress; | |||
145 | int plus; | |||
146 | int done = 0; | |||
147 | static u_char mask[] = {0, 0x01, 0x03, 0x07, 0x0f, 0x1f, 0x3f, 0x7f, 0xff}; | |||
148 | int value; | |||
149 | u_char *base = databuf; | |||
150 | char letter; | |||
151 | char field_name[80]; | |||
152 | ||||
153 | # define ARG_PUT(ARG)do { if (!suppress) { if (arg_put) (*arg_put)(puthook, (letter == 't' ? 'b' : letter), (void *)((long)(ARG)), 1, field_name ); else *(__builtin_va_arg(ap, int *)) = (ARG); assigned++; } field_name[0] = 0; suppress = 0; } while (0) \ | |||
154 | do \ | |||
155 | { \ | |||
156 | if (!suppress) { \ | |||
157 | if (arg_put) \ | |||
158 | (*arg_put)(puthook, (letter == 't' ? 'b' : letter), \ | |||
159 | (void *)((long)(ARG)), 1, field_name); \ | |||
160 | else \ | |||
161 | *(va_arg(ap, int *)__builtin_va_arg(ap, int *)) = (ARG); \ | |||
162 | assigned++; \ | |||
163 | } \ | |||
164 | field_name[0] = 0; \ | |||
165 | suppress = 0; \ | |||
166 | } while (0) | |||
167 | ||||
168 | u_char bits = 0; /* For bit fields */ | |||
169 | int shift = 0; /* Bits already shifted out */ | |||
170 | suppress = 0; | |||
171 | field_name[0] = 0; | |||
172 | ||||
173 | while (!done) { | |||
174 | switch (letter = *fmt) { | |||
175 | case ' ': /* White space */ | |||
176 | case '\t': | |||
177 | case '\r': | |||
178 | case '\n': | |||
179 | case '\f': | |||
180 | fmt++; | |||
181 | break; | |||
182 | ||||
183 | case '#': /* Comment */ | |||
184 | while (*fmt && (*fmt != '\n')) | |||
185 | fmt++; | |||
186 | if (fmt) | |||
187 | fmt++; /* Skip '\n' */ | |||
188 | break; | |||
189 | ||||
190 | case '*': /* Suppress assignment */ | |||
191 | fmt++; | |||
192 | suppress = 1; | |||
193 | break; | |||
194 | ||||
195 | case '{': /* Field Name */ | |||
196 | { | |||
197 | int i = 0; | |||
198 | fmt++; /* Skip '{' */ | |||
199 | while (*fmt && (*fmt != '}')) { | |||
200 | if (i < sizeof(field_name)-1) | |||
201 | field_name[i++] = *fmt; | |||
202 | ||||
203 | fmt++; | |||
204 | } | |||
205 | if (fmt) | |||
206 | fmt++; /* Skip '}' */ | |||
207 | field_name[i] = 0; | |||
208 | } | |||
209 | break; | |||
210 | ||||
211 | case 't': /* Bit (field) */ | |||
212 | case 'b': /* Bits */ | |||
213 | fmt++; | |||
214 | width = strtol(fmt, &fmt, 10); | |||
215 | if (width > 8) | |||
216 | done = 1; | |||
217 | else { | |||
218 | if (shift <= 0) { | |||
219 | bits = *databuf++; | |||
220 | shift = 8; | |||
221 | } | |||
222 | value = (bits >> (shift - width)) & mask[width]; | |||
223 | ||||
224 | #if 0 | |||
225 | printf("shift %2d bits %02x value %02x width %2d mask %02x\n", | |||
226 | shift, bits, value, width, mask[width]); | |||
227 | #endif | |||
228 | ||||
229 | ARG_PUT(value)do { if (!suppress) { if (arg_put) (*arg_put)(puthook, (letter == 't' ? 'b' : letter), (void *)((long)(value)), 1, field_name ); else *(__builtin_va_arg(ap, int *)) = (value); assigned++; } field_name[0] = 0; suppress = 0; } while (0); | |||
230 | ||||
231 | shift -= width; | |||
232 | } | |||
233 | ||||
234 | break; | |||
235 | ||||
236 | case 'i': /* Integral values */ | |||
237 | shift = 0; | |||
238 | fmt++; | |||
239 | width = strtol(fmt, &fmt, 10); | |||
240 | switch (width) { | |||
241 | case 1: | |||
242 | ARG_PUT(*databuf)do { if (!suppress) { if (arg_put) (*arg_put)(puthook, (letter == 't' ? 'b' : letter), (void *)((long)(*databuf)), 1, field_name ); else *(__builtin_va_arg(ap, int *)) = (*databuf); assigned ++; } field_name[0] = 0; suppress = 0; } while (0); | |||
243 | databuf++; | |||
244 | break; | |||
245 | ||||
246 | case 2: | |||
247 | ARG_PUT((*databuf) << 8 | *(databuf + 1))do { if (!suppress) { if (arg_put) (*arg_put)(puthook, (letter == 't' ? 'b' : letter), (void *)((long)((*databuf) << 8 | *(databuf + 1))), 1, field_name); else *(__builtin_va_arg( ap, int *)) = ((*databuf) << 8 | *(databuf + 1)); assigned ++; } field_name[0] = 0; suppress = 0; } while (0); | |||
248 | databuf += 2; | |||
249 | break; | |||
250 | ||||
251 | case 3: | |||
252 | ARG_PUT(do { if (!suppress) { if (arg_put) (*arg_put)(puthook, (letter == 't' ? 'b' : letter), (void *)((long)((*databuf) << 16 | (*(databuf + 1)) << 8 | *(databuf + 2))), 1, field_name ); else *(__builtin_va_arg(ap, int *)) = ((*databuf) << 16 | (*(databuf + 1)) << 8 | *(databuf + 2)); assigned ++; } field_name[0] = 0; suppress = 0; } while (0) | |||
253 | (*databuf) << 16 |do { if (!suppress) { if (arg_put) (*arg_put)(puthook, (letter == 't' ? 'b' : letter), (void *)((long)((*databuf) << 16 | (*(databuf + 1)) << 8 | *(databuf + 2))), 1, field_name ); else *(__builtin_va_arg(ap, int *)) = ((*databuf) << 16 | (*(databuf + 1)) << 8 | *(databuf + 2)); assigned ++; } field_name[0] = 0; suppress = 0; } while (0) | |||
254 | (*(databuf + 1)) << 8 |do { if (!suppress) { if (arg_put) (*arg_put)(puthook, (letter == 't' ? 'b' : letter), (void *)((long)((*databuf) << 16 | (*(databuf + 1)) << 8 | *(databuf + 2))), 1, field_name ); else *(__builtin_va_arg(ap, int *)) = ((*databuf) << 16 | (*(databuf + 1)) << 8 | *(databuf + 2)); assigned ++; } field_name[0] = 0; suppress = 0; } while (0) | |||
255 | *(databuf + 2))do { if (!suppress) { if (arg_put) (*arg_put)(puthook, (letter == 't' ? 'b' : letter), (void *)((long)((*databuf) << 16 | (*(databuf + 1)) << 8 | *(databuf + 2))), 1, field_name ); else *(__builtin_va_arg(ap, int *)) = ((*databuf) << 16 | (*(databuf + 1)) << 8 | *(databuf + 2)); assigned ++; } field_name[0] = 0; suppress = 0; } while (0); | |||
256 | databuf += 3; | |||
257 | break; | |||
258 | ||||
259 | case 4: | |||
260 | ARG_PUT(do { if (!suppress) { if (arg_put) (*arg_put)(puthook, (letter == 't' ? 'b' : letter), (void *)((long)((*databuf) << 24 | (*(databuf + 1)) << 16 | (*(databuf + 2)) << 8 | *(databuf + 3))), 1, field_name); else *(__builtin_va_arg( ap, int *)) = ((*databuf) << 24 | (*(databuf + 1)) << 16 | (*(databuf + 2)) << 8 | *(databuf + 3)); assigned ++; } field_name[0] = 0; suppress = 0; } while (0) | |||
261 | (*databuf) << 24 |do { if (!suppress) { if (arg_put) (*arg_put)(puthook, (letter == 't' ? 'b' : letter), (void *)((long)((*databuf) << 24 | (*(databuf + 1)) << 16 | (*(databuf + 2)) << 8 | *(databuf + 3))), 1, field_name); else *(__builtin_va_arg( ap, int *)) = ((*databuf) << 24 | (*(databuf + 1)) << 16 | (*(databuf + 2)) << 8 | *(databuf + 3)); assigned ++; } field_name[0] = 0; suppress = 0; } while (0) | |||
262 | (*(databuf + 1)) << 16 |do { if (!suppress) { if (arg_put) (*arg_put)(puthook, (letter == 't' ? 'b' : letter), (void *)((long)((*databuf) << 24 | (*(databuf + 1)) << 16 | (*(databuf + 2)) << 8 | *(databuf + 3))), 1, field_name); else *(__builtin_va_arg( ap, int *)) = ((*databuf) << 24 | (*(databuf + 1)) << 16 | (*(databuf + 2)) << 8 | *(databuf + 3)); assigned ++; } field_name[0] = 0; suppress = 0; } while (0) | |||
263 | (*(databuf + 2)) << 8 |do { if (!suppress) { if (arg_put) (*arg_put)(puthook, (letter == 't' ? 'b' : letter), (void *)((long)((*databuf) << 24 | (*(databuf + 1)) << 16 | (*(databuf + 2)) << 8 | *(databuf + 3))), 1, field_name); else *(__builtin_va_arg( ap, int *)) = ((*databuf) << 24 | (*(databuf + 1)) << 16 | (*(databuf + 2)) << 8 | *(databuf + 3)); assigned ++; } field_name[0] = 0; suppress = 0; } while (0) | |||
264 | *(databuf + 3))do { if (!suppress) { if (arg_put) (*arg_put)(puthook, (letter == 't' ? 'b' : letter), (void *)((long)((*databuf) << 24 | (*(databuf + 1)) << 16 | (*(databuf + 2)) << 8 | *(databuf + 3))), 1, field_name); else *(__builtin_va_arg( ap, int *)) = ((*databuf) << 24 | (*(databuf + 1)) << 16 | (*(databuf + 2)) << 8 | *(databuf + 3)); assigned ++; } field_name[0] = 0; suppress = 0; } while (0); | |||
265 | databuf += 4; | |||
266 | break; | |||
267 | ||||
268 | default: | |||
269 | done = 1; | |||
270 | } | |||
271 | ||||
272 | break; | |||
273 | ||||
274 | case 'c': /* Characters (i.e., not swapped) */ | |||
275 | case 'z': /* Characters with zeroed trailing spaces */ | |||
276 | shift = 0; | |||
277 | fmt++; | |||
278 | width = strtol(fmt, &fmt, 10); | |||
279 | if (!suppress) { | |||
280 | if (arg_put) | |||
281 | (*arg_put)(puthook, (letter == 't' ? 'b' : letter), | |||
282 | databuf, width, field_name); | |||
283 | else { | |||
284 | char *dest; | |||
285 | dest = va_arg(ap, char *)__builtin_va_arg(ap, char *); | |||
286 | bcopy(databuf, dest, width); | |||
287 | if (letter == 'z') { | |||
288 | char *p; | |||
289 | for (p = dest + width - 1; | |||
290 | (p >= (char *)dest) && (*p == ' '); p--) | |||
291 | *p = 0; | |||
292 | } | |||
293 | } | |||
294 | assigned++; | |||
295 | } | |||
296 | databuf += width; | |||
297 | field_name[0] = 0; | |||
298 | suppress = 0; | |||
299 | break; | |||
300 | ||||
301 | case 's': /* Seek */ | |||
302 | shift = 0; | |||
303 | fmt++; | |||
304 | if (*fmt == '+') { | |||
305 | plus = 1; | |||
306 | fmt++; | |||
307 | } else | |||
308 | plus = 0; | |||
309 | ||||
310 | if (tolower((unsigned char)*fmt) == 'v') { | |||
311 | /* You can't suppress a seek value. You also | |||
312 | * can't have a variable seek when you are using | |||
313 | * "arg_put". | |||
314 | */ | |||
315 | width = (arg_put) ? 0 : va_arg(ap, int)__builtin_va_arg(ap, int); | |||
316 | fmt++; | |||
317 | } else | |||
318 | width = strtol(fmt, &fmt, 10); | |||
319 | ||||
320 | if (plus) | |||
321 | databuf += width; /* Relative seek */ | |||
322 | else | |||
323 | databuf = base + width; /* Absolute seek */ | |||
324 | ||||
325 | break; | |||
326 | ||||
327 | case 0: | |||
328 | done = 1; | |||
329 | break; | |||
330 | ||||
331 | default: | |||
332 | fprintf(stderr(&__sF[2]), "Unknown letter in format: %c\n", letter); | |||
333 | fmt++; | |||
334 | } | |||
335 | } | |||
336 | ||||
337 | return assigned; | |||
338 | } | |||
339 | ||||
340 | int | |||
341 | scsireq_decode_visit(scsireq_t *scsireq, char *fmt, | |||
342 | void (*arg_put)(void *, int , void *, int, char *), void *puthook) | |||
343 | { | |||
344 | va_list ap; | |||
345 | int ret; | |||
346 | ||||
347 | ret = do_buff_decode(scsireq->databuf, (size_t)scsireq->datalen, | |||
348 | arg_put, puthook, fmt, ap); | |||
349 | va_end (ap)__builtin_va_end(ap); | |||
350 | return (ret); | |||
351 | } | |||
352 | ||||
353 | int | |||
354 | scsireq_buff_decode_visit(u_char *buff, size_t len, char *fmt, | |||
355 | void (*arg_put)(void *, int, void *, int, char *), void *puthook) | |||
356 | { | |||
357 | va_list ap; | |||
358 | ||||
359 | /* XXX */ | |||
360 | return do_buff_decode(buff, len, arg_put, puthook, fmt, ap); | |||
361 | } | |||
362 | ||||
363 | /* next_field: Return the next field in a command specifier. This | |||
364 | * builds up a SCSI command using this trivial grammar: | |||
365 | * | |||
366 | * fields : field fields | |||
367 | * ; | |||
368 | * | |||
369 | * field : value | |||
370 | * | value ':' field_width | |||
371 | * ; | |||
372 | * | |||
373 | * field_width : digit | |||
374 | * | 'i' digit // i2 = 2 byte integer, i3 = 3 byte integer etc. | |||
375 | * ; | |||
376 | * | |||
377 | * value : HEX_NUMBER | |||
378 | * | 'v' // For indirection. | |||
379 | * ; | |||
380 | * | |||
381 | * Notes: | |||
382 | * Bit fields are specified MSB first to match the SCSI spec. | |||
383 | * | |||
384 | * Examples: | |||
385 | * TUR: "0 0 0 0 0 0" | |||
386 | * WRITE BUFFER: "38 v:3 0:2 0:3 v v:i3 v:i3 0", mode, buffer_id, list_length | |||
387 | * | |||
388 | * The function returns the value: | |||
389 | * 0: For reached end, with error_p set if an error was found | |||
390 | * 1: For valid stuff setup | |||
391 | * 2: For "v" was entered as the value (implies use varargs) | |||
392 | * | |||
393 | */ | |||
394 | static int | |||
395 | next_field(char **pp, char *fmt, int *width_p, int *value_p, char *name, | |||
396 | int n_name, int *error_p, int *suppress_p) | |||
397 | { | |||
398 | char *p = *pp; | |||
399 | ||||
400 | int something = 0; | |||
401 | ||||
402 | enum { BETWEEN_FIELDS, START_FIELD, GET_FIELD, DONE } state; | |||
403 | ||||
404 | int value = 0; | |||
405 | int field_size; /* Default to byte field type... */ | |||
406 | int field_width; /* 1 byte wide */ | |||
407 | int is_error = 0; | |||
408 | int suppress = 0; | |||
409 | ||||
410 | field_size = 8; /* Default to byte field type... */ | |||
411 | *fmt = 'i'; | |||
412 | field_width = 1; /* 1 byte wide */ | |||
413 | if (name
| |||
414 | *name = 0; | |||
415 | ||||
416 | state = BETWEEN_FIELDS; | |||
417 | ||||
418 | while (state != DONE) | |||
419 | switch (state) | |||
420 | { | |||
421 | case BETWEEN_FIELDS: | |||
422 | if (*p == 0) | |||
423 | state = DONE; | |||
424 | else if (isspace((unsigned char)*p)) | |||
425 | p++; | |||
426 | else if (*p == '#') { | |||
427 | while (*p && *p != '\n') | |||
428 | p++; | |||
429 | ||||
430 | if (p) | |||
431 | p++; | |||
432 | } else if (*p == '{') { | |||
433 | int i = 0; | |||
434 | ||||
435 | p++; | |||
436 | ||||
437 | while (*p && *p != '}') { | |||
438 | if (name && i < n_name) { | |||
439 | name[i] = *p; | |||
440 | i++; | |||
441 | } | |||
442 | p++; | |||
443 | } | |||
444 | ||||
445 | if (name && i < n_name) | |||
446 | name[i] = 0; | |||
447 | ||||
448 | if (*p == '}') | |||
449 | p++; | |||
450 | } else if (*p == '*') { | |||
451 | p++; | |||
452 | suppress = 1; | |||
453 | } else if (isxdigit((unsigned char)*p)) { | |||
454 | something = 1; | |||
455 | value = strtol(p, &p, 16); | |||
456 | state = START_FIELD; | |||
457 | } else if (tolower((unsigned char)*p) == 'v') { | |||
458 | p++; | |||
459 | something = 2; | |||
460 | value = *value_p; | |||
| ||||
461 | state = START_FIELD; | |||
462 | } | |||
463 | /* try to work without the 'v' */ | |||
464 | else if (tolower((unsigned char)*p) == 'i') { | |||
465 | something = 2; | |||
466 | value = *value_p; | |||
467 | p++; | |||
468 | ||||
469 | *fmt = 'i'; | |||
470 | field_size = 8; | |||
471 | field_width = strtol(p, &p, 10); | |||
472 | state = DONE; | |||
473 | } else if (tolower((unsigned char)*p) == 't') { | |||
474 | /* XXX: B can't work: Sees the 'b' | |||
475 | * as a hex digit in "isxdigit". | |||
476 | * try "t" for bit field. | |||
477 | */ | |||
478 | something = 2; | |||
479 | value = *value_p; | |||
480 | p++; | |||
481 | ||||
482 | *fmt = 'b'; | |||
483 | field_size = 1; | |||
484 | field_width = strtol(p, &p, 10); | |||
485 | state = DONE; | |||
486 | } else if (tolower((unsigned char)*p) == 's') { /* Seek */ | |||
487 | *fmt = 's'; | |||
488 | p++; | |||
489 | if (tolower((unsigned char)*p) == 'v') { | |||
490 | p++; | |||
491 | something = 2; | |||
492 | value = *value_p; | |||
493 | } else { | |||
494 | something = 1; | |||
495 | value = strtol(p, &p, 0); | |||
496 | } | |||
497 | state = DONE; | |||
498 | } else { | |||
499 | fprintf(stderr(&__sF[2]), "Invalid starting character: %c\n", *p); | |||
500 | is_error = 1; | |||
501 | state = DONE; | |||
502 | } | |||
503 | break; | |||
504 | ||||
505 | case START_FIELD: | |||
506 | if (*p == ':') { | |||
507 | p++; | |||
508 | field_size = 1; /* Default to bits when specified */ | |||
509 | state = GET_FIELD; | |||
510 | } else | |||
511 | state = DONE; | |||
512 | break; | |||
513 | ||||
514 | case GET_FIELD: | |||
515 | if (isdigit((unsigned char)*p)) { | |||
516 | *fmt = 'b'; | |||
517 | field_size = 1; | |||
518 | field_width = strtol(p, &p, 10); | |||
519 | state = DONE; | |||
520 | } else if (*p == 'i') { /* Integral (bytes) */ | |||
521 | p++; | |||
522 | ||||
523 | *fmt = 'i'; | |||
524 | field_size = 8; | |||
525 | field_width = strtol(p, &p, 10); | |||
526 | state = DONE; | |||
527 | } else if (*p == 'b') { /* Bits */ | |||
528 | p++; | |||
529 | ||||
530 | *fmt = 'b'; | |||
531 | field_size = 1; | |||
532 | field_width = strtol(p, &p, 10); | |||
533 | state = DONE; | |||
534 | } else { | |||
535 | fprintf(stderr(&__sF[2]), "Invalid startfield %c (%02x)\n", | |||
536 | *p, *p); | |||
537 | is_error = 1; | |||
538 | state = DONE; | |||
539 | } | |||
540 | break; | |||
541 | ||||
542 | case DONE: | |||
543 | break; | |||
544 | } | |||
545 | ||||
546 | if (is_error) { | |||
547 | *error_p = 1; | |||
548 | return 0; | |||
549 | } | |||
550 | ||||
551 | *error_p = 0; | |||
552 | *pp = p; | |||
553 | *width_p = field_width * field_size; | |||
554 | *value_p = value; | |||
555 | *suppress_p = suppress; | |||
556 | ||||
557 | return something; | |||
558 | } | |||
559 | ||||
560 | static int | |||
561 | do_encode(u_char *buff, size_t vec_max, size_t *used, | |||
562 | int (*arg_get)(void *, char *), | |||
563 | void *gethook, char *fmt, va_list ap) | |||
564 | { | |||
565 | int ind; | |||
566 | int shift; | |||
567 | u_char val; | |||
568 | int ret; | |||
569 | int width, value, error, suppress; | |||
570 | char c; | |||
571 | int encoded = 0; | |||
572 | char field_name[80]; | |||
573 | ||||
574 | ind = 0; | |||
575 | shift = 0; | |||
576 | val = 0; | |||
577 | ||||
578 | while ((ret = next_field(&fmt, &c, &width, &value, field_name, | |||
579 | sizeof(field_name), &error, &suppress))) | |||
580 | { | |||
581 | encoded++; | |||
582 | ||||
583 | if (ret == 2) { | |||
584 | if (suppress) | |||
585 | value = 0; | |||
586 | else | |||
587 | value = arg_get ? (*arg_get)(gethook, field_name) : va_arg(ap, int)__builtin_va_arg(ap, int); | |||
588 | } | |||
589 | ||||
590 | #if 0 | |||
591 | printf( | |||
592 | "do_encode: ret %d fmt %c width %d value %d name \"%s\"" | |||
593 | "error %d suppress %d\n", | |||
594 | ret, c, width, value, field_name, error, suppress); | |||
595 | #endif | |||
596 | ||||
597 | if (c == 's') /* Absolute seek */ | |||
598 | { | |||
599 | ind = value; | |||
600 | continue; | |||
601 | } | |||
602 | ||||
603 | if (width < 8) /* A width of < 8 is a bit field. */ | |||
604 | { | |||
605 | ||||
606 | /* This is a bit field. We start with the high bits | |||
607 | * so it reads the same as the SCSI spec. | |||
608 | */ | |||
609 | ||||
610 | shift += width; | |||
611 | ||||
612 | val |= (value << (8 - shift)); | |||
613 | ||||
614 | if (shift == 8) { | |||
615 | if (ind < vec_max) { | |||
616 | buff[ind++] = val; | |||
617 | val = 0; | |||
618 | } | |||
619 | shift = 0; | |||
620 | } | |||
621 | } else { | |||
622 | if (shift) { | |||
623 | if (ind < vec_max) { | |||
624 | buff[ind++] = val; | |||
625 | val = 0; | |||
626 | } | |||
627 | shift = 0; | |||
628 | } | |||
629 | switch (width) | |||
630 | { | |||
631 | case 8: /* 1 byte integer */ | |||
632 | if (ind < vec_max) | |||
633 | buff[ind++] = value; | |||
634 | break; | |||
635 | ||||
636 | case 16: /* 2 byte integer */ | |||
637 | if (ind < vec_max - 2 + 1) { | |||
638 | buff[ind++] = value >> 8; | |||
639 | buff[ind++] = value; | |||
640 | } | |||
641 | break; | |||
642 | ||||
643 | case 24: /* 3 byte integer */ | |||
644 | if (ind < vec_max - 3 + 1) { | |||
645 | buff[ind++] = value >> 16; | |||
646 | buff[ind++] = value >> 8; | |||
647 | buff[ind++] = value; | |||
648 | } | |||
649 | break; | |||
650 | ||||
651 | case 32: /* 4 byte integer */ | |||
652 | if (ind < vec_max - 4 + 1) { | |||
653 | buff[ind++] = value >> 24; | |||
654 | buff[ind++] = value >> 16; | |||
655 | buff[ind++] = value >> 8; | |||
656 | buff[ind++] = value; | |||
657 | } | |||
658 | break; | |||
659 | ||||
660 | default: | |||
661 | fprintf(stderr(&__sF[2]), "do_encode: Illegal width\n"); | |||
662 | break; | |||
663 | } | |||
664 | } | |||
665 | } | |||
666 | ||||
667 | /* Flush out any remaining bits */ | |||
668 | if (shift && ind < vec_max) { | |||
669 | buff[ind++] = val; | |||
670 | val = 0; | |||
671 | } | |||
672 | ||||
673 | ||||
674 | if (used) | |||
675 | *used = ind; | |||
676 | ||||
677 | if (error) | |||
678 | return -1; | |||
679 | ||||
680 | return encoded; | |||
681 | } | |||
682 | ||||
683 | scsireq_t * | |||
684 | scsireq_build(scsireq_t *scsireq, u_long datalen, caddr_t databuf, | |||
685 | u_long flags, char *cmd_spec, ...) | |||
686 | { | |||
687 | size_t cmdlen; | |||
688 | va_list ap; | |||
689 | ||||
690 | if (scsireq == 0) | |||
691 | return 0; | |||
692 | ||||
693 | scsireq_reset(scsireq); | |||
694 | ||||
695 | if (databuf) { | |||
696 | scsireq->databuf = databuf; | |||
697 | scsireq->datalen = datalen; | |||
698 | scsireq->flags = flags; | |||
699 | } | |||
700 | else if (datalen) { | |||
701 | /* XXX: Good way to get a memory leak. Perhaps this should be | |||
702 | * removed. | |||
703 | */ | |||
704 | if ( (scsireq->databuf = malloc(datalen)) == NULL((void *)0)) | |||
705 | return 0; | |||
706 | ||||
707 | scsireq->datalen = datalen; | |||
708 | scsireq->flags = flags; | |||
709 | } | |||
710 | ||||
711 | va_start(ap, cmd_spec)__builtin_va_start(ap, cmd_spec); | |||
712 | ||||
713 | if (do_encode(scsireq->cmd, CMDBUFLEN16, &cmdlen, 0, 0, cmd_spec, ap) == -1) | |||
714 | return 0; | |||
715 | va_end (ap)__builtin_va_end(ap); | |||
716 | ||||
717 | scsireq->cmdlen = cmdlen; | |||
718 | return scsireq; | |||
719 | } | |||
720 | ||||
721 | scsireq_t | |||
722 | *scsireq_build_visit(scsireq_t *scsireq, u_long datalen, caddr_t databuf, | |||
723 | u_long flags, char *cmd_spec, | |||
724 | int (*arg_get)(void *hook, char *field_name), void *gethook) | |||
725 | { | |||
726 | size_t cmdlen; | |||
727 | va_list ap; | |||
728 | ||||
729 | if (scsireq == 0) | |||
730 | return 0; | |||
731 | ||||
732 | scsireq_reset(scsireq); | |||
733 | ||||
734 | if (databuf) { | |||
735 | scsireq->databuf = databuf; | |||
736 | scsireq->datalen = datalen; | |||
737 | scsireq->flags = flags; | |||
738 | } else if (datalen) { | |||
739 | /* XXX: Good way to get a memory leak. Perhaps this should be | |||
740 | * removed. | |||
741 | */ | |||
742 | if ( (scsireq->databuf = malloc(datalen)) == NULL((void *)0)) | |||
743 | return 0; | |||
744 | ||||
745 | scsireq->datalen = datalen; | |||
746 | scsireq->flags = flags; | |||
747 | } | |||
748 | ||||
749 | if (do_encode(scsireq->cmd, CMDBUFLEN16, &cmdlen, arg_get, gethook, | |||
750 | cmd_spec, ap) == -1) | |||
751 | return 0; | |||
752 | ||||
753 | scsireq->cmdlen = cmdlen; | |||
754 | ||||
755 | return scsireq; | |||
756 | } | |||
757 | ||||
758 | int | |||
759 | scsireq_buff_encode_visit(u_char *buff, size_t len, char *fmt, | |||
760 | int (*arg_get)(void *hook, char *field_name), void *gethook) | |||
761 | { | |||
762 | va_list ap; | |||
763 | return do_encode(buff, len, 0, arg_get, gethook, fmt, ap); | |||
764 | } | |||
765 | ||||
766 | int | |||
767 | scsireq_encode_visit(scsireq_t *scsireq, char *fmt, | |||
768 | int (*arg_get)(void *hook, char *field_name), void *gethook) | |||
769 | { | |||
770 | va_list ap; | |||
771 | return do_encode(scsireq->databuf, scsireq->datalen, 0, | |||
| ||||
772 | arg_get, gethook, fmt, ap); | |||
773 | } | |||
774 | ||||
775 | FILE * | |||
776 | scsi_debug_output(char *s) | |||
777 | { | |||
778 | if (s == 0) | |||
779 | behave.db_f = 0; | |||
780 | else { | |||
781 | behave.db_f = fopen(s, "w"); | |||
782 | ||||
783 | if (behave.db_f == 0) | |||
784 | behave.db_f = stderr(&__sF[2]); | |||
785 | } | |||
786 | ||||
787 | return behave.db_f; | |||
788 | } | |||
789 | ||||
790 | #define SCSI_TRUNCATE-1 -1 | |||
791 | ||||
792 | typedef struct scsi_assoc { | |||
793 | int code; | |||
794 | char *text; | |||
795 | } scsi_assoc_t; | |||
796 | ||||
797 | static scsi_assoc_t retsts[] = | |||
798 | { | |||
799 | { SCCMD_OK0x00, "No error" }, | |||
800 | { SCCMD_TIMEOUT0x01, "Command Timeout" }, | |||
801 | { SCCMD_BUSY0x02, "Busy" }, | |||
802 | { SCCMD_SENSE0x03, "Sense Returned" }, | |||
803 | { SCCMD_UNKNOWN0x04, "Unknown return status" }, | |||
804 | ||||
805 | { 0, 0 } | |||
806 | }; | |||
807 | ||||
808 | static char * | |||
809 | scsi_assoc_text(int code, scsi_assoc_t *tab) | |||
810 | { | |||
811 | while (tab->text) { | |||
812 | if (tab->code == code) | |||
813 | return tab->text; | |||
814 | ||||
815 | tab++; | |||
816 | } | |||
817 | ||||
818 | return "Unknown code"; | |||
819 | } | |||
820 | ||||
821 | void | |||
822 | scsi_dump(FILE *f, char *text, u_char *p, int req, int got, int dump_print) | |||
823 | { | |||
824 | int i; | |||
825 | int trunc = 0; | |||
826 | ||||
827 | if (f == 0 || req == 0) | |||
828 | return; | |||
829 | ||||
830 | fprintf(f, "%s (%d of %d):\n", text, got, req); | |||
831 | ||||
832 | if (behave.db_trunc != -1 && got > behave.db_trunc) { | |||
833 | trunc = 1; | |||
834 | got = behave.db_trunc; | |||
835 | } | |||
836 | ||||
837 | for (i = 0; i < got; i++) { | |||
838 | fprintf(f, "%02x", p[i]); | |||
839 | ||||
840 | putc(' ', f)(!__isthreaded ? __sputc(' ', f) : (putc)(' ', f)); | |||
841 | ||||
842 | if ((i % 16) == 15 || i == got - 1) { | |||
843 | int j; | |||
844 | if (dump_print) { | |||
845 | fprintf(f, " # "); | |||
846 | for (j = i - 15; j <= i; j++) | |||
847 | putc((isprint(p[j]) ? p[j] : '.'), f)(!__isthreaded ? __sputc((isprint(p[j]) ? p[j] : '.'), f) : ( putc)((isprint(p[j]) ? p[j] : '.'), f)); | |||
848 | ||||
849 | putc('\n', f)(!__isthreaded ? __sputc('\n', f) : (putc)('\n', f)); | |||
850 | } else | |||
851 | putc('\n', f)(!__isthreaded ? __sputc('\n', f) : (putc)('\n', f)); | |||
852 | } | |||
853 | } | |||
854 | ||||
855 | fprintf(f, "%s", (trunc) ? "(truncated)...\n" : "\n"); | |||
856 | } | |||
857 | ||||
858 | /* XXX: sense_7x_dump and scsi_sense dump was just sort of | |||
859 | * grabbed out of the old ds | |||
860 | * library and not really merged in carefully. It should use the | |||
861 | * new buffer decoding stuff. | |||
862 | */ | |||
863 | ||||
864 | /* Get unsigned long. | |||
865 | */ | |||
866 | static u_long | |||
867 | g_u_long(u_char *s) | |||
868 | { | |||
869 | return (s[0] << 24) | (s[1] << 16) | (s[2] << 8) | s[3]; | |||
870 | } | |||
871 | ||||
872 | /* In the old software you could patch in a special error table: | |||
873 | */ | |||
874 | static scsi_assoc_t *error_table = 0; | |||
875 | ||||
876 | static void | |||
877 | sense_7x_dump(FILE *f, scsireq_t *scsireq) | |||
878 | { | |||
879 | int code; | |||
880 | u_char *s = (u_char *)scsireq->sense; | |||
881 | int valid = (*s) & 0x80; | |||
882 | u_long val; | |||
883 | ||||
884 | static scsi_assoc_t sense[] = { | |||
885 | { 0, "No sense" }, | |||
886 | { 1, "Recovered error" }, | |||
887 | { 2, "Not Ready" }, | |||
888 | { 3, "Medium error" }, | |||
889 | { 4, "Hardware error" }, | |||
890 | { 5, "Illegal request" }, | |||
891 | { 6, "Unit attention" }, | |||
892 | { 7, "Data protect" }, | |||
893 | { 8, "Blank check" }, | |||
894 | { 9, "Vendor specific" }, | |||
895 | { 0xa, "Copy aborted" }, | |||
896 | { 0xb, "Aborted Command" }, | |||
897 | { 0xc, "Equal" }, | |||
898 | { 0xd, "Volume overflow" }, | |||
899 | { 0xe, "Miscompare" }, | |||
900 | { 0, 0 }, | |||
901 | }; | |||
902 | ||||
903 | static scsi_assoc_t code_tab[] = { | |||
904 | {0x70, "current errors"}, | |||
905 | {0x71, "deferred errors"}, | |||
906 | }; | |||
907 | ||||
908 | fprintf(f, "Error code is \"%s\"\n", scsi_assoc_text(s[0]&0x7F, code_tab)); | |||
909 | fprintf(f, "Segment number is %02x\n", s[1]); | |||
910 | ||||
911 | if (s[2] & 0x20) | |||
912 | fprintf(f, "Incorrect Length Indicator is set.\n"); | |||
913 | ||||
914 | fprintf(f, "Sense key is \"%s\"\n", scsi_assoc_text(s[2] & 0x7, sense)); | |||
915 | ||||
916 | val = g_u_long(s + 3); | |||
917 | fprintf(f, "The Information field is%s %08lx (%ld).\n", | |||
918 | valid ? "" : " not valid but contains", (long)val, (long)val); | |||
919 | ||||
920 | val = g_u_long(s + 8); | |||
921 | fprintf(f, "The Command Specific Information field is %08lx (%ld).\n", | |||
922 | (long)val, (long)val); | |||
923 | ||||
924 | fprintf(f, "Additional sense code: %02x\n", s[12]); | |||
925 | fprintf(f, "Additional sense code qualifier: %02x\n", s[13]); | |||
926 | ||||
927 | code = (s[12] << 8) | s[13]; | |||
928 | ||||
929 | if (error_table) | |||
930 | fprintf(f, "%s\n", scsi_assoc_text(code, error_table)); | |||
931 | ||||
932 | if (s[15] & 0x80) { | |||
933 | if ((s[2] & 0x7) == 0x05) /* Illegal request */ | |||
934 | { | |||
935 | int byte; | |||
936 | u_char value, bit; | |||
937 | int bad_par = ((s[15] & 0x40) == 0); | |||
938 | fprintf(f, "Illegal value in the %s.\n", | |||
939 | (bad_par ? "parameter list" : "command descriptor block")); | |||
940 | byte = ((s[16] << 8) | s[17]); | |||
941 | value = bad_par ? (u_char)scsireq->databuf[byte] : (u_char)scsireq->cmd[byte]; | |||
942 | bit = s[15] & 0x7; | |||
943 | if (s[15] & 0x08) | |||
944 | fprintf(f, "Bit %d of byte %d (value %02x) is illegal.\n", | |||
945 | bit, byte, value); | |||
946 | else | |||
947 | fprintf(f, "Byte %d (value %02x) is illegal.\n", byte, value); | |||
948 | } else { | |||
949 | fprintf(f, "Sense Key Specific (valid but not illegal request):\n"); | |||
950 | fprintf(f, "%02x %02x %02x\n", s[15] & 0x7f, s[16], s[17]); | |||
951 | } | |||
952 | } | |||
953 | } | |||
954 | ||||
955 | /* scsi_sense_dump: Dump the sense portion of the scsireq structure. | |||
956 | */ | |||
957 | static void | |||
958 | scsi_sense_dump(FILE *f, scsireq_t *scsireq) | |||
959 | { | |||
960 | u_char *s = (u_char *)scsireq->sense; | |||
961 | int code = (*s) & 0x7f; | |||
962 | ||||
963 | if (scsireq->senselen_used == 0) { | |||
964 | fprintf(f, "No sense sent.\n"); | |||
965 | return; | |||
966 | } | |||
967 | ||||
968 | #if 0 | |||
969 | if (!valid) | |||
970 | fprintf(f, "The sense data is not valid.\n"); | |||
971 | #endif | |||
972 | ||||
973 | switch (code) { | |||
974 | case 0x70: | |||
975 | case 0x71: | |||
976 | sense_7x_dump(f, scsireq); | |||
977 | break; | |||
978 | ||||
979 | default: | |||
980 | fprintf(f, "No sense dump for error code %02x.\n", code); | |||
981 | } | |||
982 | scsi_dump(f, "sense", s, scsireq->senselen, scsireq->senselen_used, 0); | |||
983 | } | |||
984 | ||||
985 | static void | |||
986 | scsi_retsts_dump(FILE *f, scsireq_t *scsireq) | |||
987 | { | |||
988 | if (scsireq->retsts == 0) | |||
989 | return; | |||
990 | ||||
991 | fprintf(f, "return status %d (%s)", | |||
992 | scsireq->retsts, scsi_assoc_text(scsireq->retsts, retsts)); | |||
993 | ||||
994 | switch (scsireq->retsts) { | |||
995 | case SCCMD_TIMEOUT0x01: | |||
996 | fprintf(f, " after %ld ms", scsireq->timeout); | |||
997 | break; | |||
998 | ||||
999 | default: | |||
1000 | break; | |||
1001 | } | |||
1002 | } | |||
1003 | ||||
1004 | int | |||
1005 | scsi_debug(FILE *f, int ret, scsireq_t *scsireq) | |||
1006 | { | |||
1007 | char *d; | |||
1008 | if (f == 0) | |||
1009 | return 0; | |||
1010 | ||||
1011 | fprintf(f, "SCIOCCOMMAND ioctl"); | |||
1012 | ||||
1013 | if (ret == 0) | |||
1014 | fprintf(f, ": Command accepted."); | |||
1015 | else { | |||
1016 | if (ret != -1) | |||
1017 | fprintf(f, ", return value %d?", ret); | |||
1018 | ||||
1019 | if (errno(*__errno())) { | |||
1020 | fprintf(f, ": %s", strerror(errno(*__errno()))); | |||
1021 | errno(*__errno()) = 0; | |||
1022 | } | |||
1023 | } | |||
1024 | ||||
1025 | fputc('\n', f); | |||
1026 | ||||
1027 | if (ret == 0 && (scsireq->status || scsireq->retsts || behave.db_level)) | |||
1028 | { | |||
1029 | scsi_retsts_dump(f, scsireq); | |||
1030 | ||||
1031 | if (scsireq->status) | |||
1032 | fprintf(f, " host adapter status %d\n", scsireq->status); | |||
1033 | ||||
1034 | if (scsireq->flags & SCCMD_READ0x00000001) | |||
1035 | d = "Data in"; | |||
1036 | else if (scsireq->flags & SCCMD_WRITE0x00000002) | |||
1037 | d = "Data out"; | |||
1038 | else | |||
1039 | d = "No data transfer?"; | |||
1040 | ||||
1041 | if (scsireq->cmdlen == 0) | |||
1042 | fprintf(f, "Zero length command????\n"); | |||
1043 | ||||
1044 | scsi_dump(f, "Command out", | |||
1045 | (u_char *)scsireq->cmd, scsireq->cmdlen, scsireq->cmdlen, 0); | |||
1046 | scsi_dump(f, d, | |||
1047 | (u_char *)scsireq->databuf, scsireq->datalen, | |||
1048 | scsireq->datalen_used, 1); | |||
1049 | scsi_sense_dump(f, scsireq); | |||
1050 | } | |||
1051 | ||||
1052 | fflush(f); | |||
1053 | ||||
1054 | return ret; | |||
1055 | } | |||
1056 | ||||
1057 | static char *debug_output; | |||
1058 | ||||
1059 | int | |||
1060 | scsi_open(const char *path, int flags) | |||
1061 | { | |||
1062 | int fd = open(path, flags); | |||
1063 | ||||
1064 | if (fd != -1) { | |||
1065 | char *p; | |||
1066 | debug_output = getenv("SU_DEBUG_OUTPUT"); | |||
1067 | (void)scsi_debug_output(debug_output); | |||
1068 | ||||
1069 | if ((p = getenv("SU_DEBUG_LEVEL"))) | |||
1070 | sscanf(p, "%d", &behave.db_level); | |||
1071 | ||||
1072 | if ((p = getenv("SU_DEBUG_TRUNCATE"))) | |||
1073 | sscanf(p, "%d", &behave.db_trunc); | |||
1074 | else | |||
1075 | behave.db_trunc = SCSI_TRUNCATE-1; | |||
1076 | } | |||
1077 | ||||
1078 | return fd; | |||
1079 | } | |||
1080 | ||||
1081 | int | |||
1082 | scsireq_enter(int fid, scsireq_t *scsireq) | |||
1083 | { | |||
1084 | int ret; | |||
1085 | ||||
1086 | ret = ioctl(fid, SCIOCCOMMAND(((unsigned long)0x80000000|(unsigned long)0x40000000) | ((sizeof (scsireq_t) & 0x1fff) << 16) | ((('Q')) << 8) | ((1))), (void *)scsireq); | |||
1087 | ||||
1088 | if (behave.db_f) | |||
1089 | scsi_debug(behave.db_f, ret, scsireq); | |||
1090 | ||||
1091 | return ret; | |||
1092 | } |