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1 | /* | |
2 | * os_netbsd.cpp | |
3 | * | |
4 | * Home page of code is: http://www.smartmontools.org | |
5 | * | |
6 | * Copyright (C) 2003-8 Sergey Svishchev <smartmontools-support@lists.sourceforge.net> | |
7 | * | |
8 | * This program is free software; you can redistribute it and/or modify | |
9 | * it under the terms of the GNU General Public License as published by | |
10 | * the Free Software Foundation; either version 2, or (at your option) | |
11 | * any later version. | |
12 | * | |
13 | * You should have received a copy of the GNU General Public License | |
14 | * (for example COPYING); if not, write to the Free Software Foundation, | |
15 | * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. | |
16 | * | |
17 | */ | |
18 | ||
19 | #include "config.h" | |
20 | #include "int64.h" | |
21 | #include "atacmds.h" | |
22 | #include "scsicmds.h" | |
23 | #include "utility.h" | |
24 | #include "os_netbsd.h" | |
25 | ||
26 | #include <errno.h> | |
27 | #include <unistd.h> | |
28 | ||
29 | const char * os_netbsd_cpp_cvsid = "$Id: os_netbsd.cpp 4205 2016-01-22 15:22:53Z samm2 $" | |
30 | OS_NETBSD_H_CVSID; | |
31 | ||
32 | /* global variable holding byte count of allocated memory */ | |
33 | extern long long bytes; | |
34 | ||
35 | enum warnings { | |
36 | BAD_SMART, MAX_MSG | |
37 | }; | |
38 | ||
39 | /* Utility function for printing warnings */ | |
40 | void | |
41 | printwarning(int msgNo, const char *extra) | |
42 | { | |
43 | static int printed[] = {0, 0}; | |
44 | static const char *message[] = { | |
45 | "Error: SMART Status command failed.\nPlease get assistance from \n" PACKAGE_HOMEPAGE "\nRegister values returned from SMART Status command are:\n", | |
46 | PACKAGE_STRING " does not currently support twe(4) and twa(4) devices (3ware Escalade, Apache)\n", | |
47 | }; | |
48 | ||
49 | if (msgNo >= 0 && msgNo <= MAX_MSG) { | |
50 | if (!printed[msgNo]) { | |
51 | printed[msgNo] = 1; | |
52 | pout("%s", message[msgNo]); | |
53 | if (extra) | |
54 | pout("%s", extra); | |
55 | } | |
56 | } | |
57 | return; | |
58 | } | |
59 | ||
60 | static const char *net_dev_prefix = "/dev/"; | |
61 | static const char *net_dev_ata_disk = "wd"; | |
62 | static const char *net_dev_scsi_disk = "sd"; | |
63 | static const char *net_dev_scsi_tape = "enrst"; | |
64 | ||
65 | /* Guess device type (ATA or SCSI) based on device name */ | |
66 | int | |
67 | guess_device_type(const char *dev_name) | |
68 | { | |
69 | int len; | |
70 | int dev_prefix_len = strlen(net_dev_prefix); | |
71 | ||
72 | if (!dev_name || !(len = strlen(dev_name))) | |
73 | return CONTROLLER_UNKNOWN; | |
74 | ||
75 | if (!strncmp(net_dev_prefix, dev_name, dev_prefix_len)) { | |
76 | if (len <= dev_prefix_len) | |
77 | return CONTROLLER_UNKNOWN; | |
78 | else | |
79 | dev_name += dev_prefix_len; | |
80 | } | |
81 | if (!strncmp(net_dev_ata_disk, dev_name, strlen(net_dev_ata_disk))) | |
82 | return CONTROLLER_ATA; | |
83 | ||
84 | if (!strncmp(net_dev_scsi_disk, dev_name, strlen(net_dev_scsi_disk))) | |
85 | return CONTROLLER_SCSI; | |
86 | ||
87 | if (!strncmp(net_dev_scsi_tape, dev_name, strlen(net_dev_scsi_tape))) | |
88 | return CONTROLLER_SCSI; | |
89 | ||
90 | return CONTROLLER_UNKNOWN; | |
91 | } | |
92 | ||
93 | int | |
94 | get_dev_names(char ***names, const char *prefix) | |
95 | { | |
96 | char *disknames, *p, **mp; | |
97 | int n = 0; | |
98 | int sysctl_mib[2]; | |
99 | size_t sysctl_len; | |
100 | ||
101 | *names = NULL; | |
102 | ||
103 | sysctl_mib[0] = CTL_HW; | |
104 | sysctl_mib[1] = HW_DISKNAMES; | |
105 | if (-1 == sysctl(sysctl_mib, 2, NULL, &sysctl_len, NULL, 0)) { | |
106 | pout("Failed to get value of sysctl `hw.disknames'\n"); | |
107 | return -1; | |
108 | } | |
109 | if (!(disknames = (char *)malloc(sysctl_len))) { | |
110 | pout("Out of memory constructing scan device list\n"); | |
111 | return -1; | |
112 | } | |
113 | if (-1 == sysctl(sysctl_mib, 2, disknames, &sysctl_len, NULL, 0)) { | |
114 | pout("Failed to get value of sysctl `hw.disknames'\n"); | |
115 | return -1; | |
116 | } | |
117 | if (!(mp = (char **) calloc(strlen(disknames) / 2, sizeof(char *)))) { | |
118 | pout("Out of memory constructing scan device list\n"); | |
119 | return -1; | |
120 | } | |
121 | for (p = strtok(disknames, " "); p; p = strtok(NULL, " ")) { | |
122 | if (strncmp(p, prefix, strlen(prefix))) { | |
123 | continue; | |
124 | } | |
125 | mp[n] = (char *)malloc(strlen(net_dev_prefix) + strlen(p) + 2); | |
126 | if (!mp[n]) { | |
127 | pout("Out of memory constructing scan device list\n"); | |
128 | return -1; | |
129 | } | |
130 | sprintf(mp[n], "%s%s%c", net_dev_prefix, p, 'a' + getrawpartition()); | |
131 | bytes += strlen(mp[n]) + 1; | |
132 | n++; | |
133 | } | |
134 | ||
135 | void * tmp = (char **)realloc(mp, n * (sizeof(char *))); | |
136 | if (NULL == tmp) { | |
137 | pout("Out of memory constructing scan device list\n"); | |
138 | free(mp); | |
139 | return -1; | |
140 | } | |
141 | else | |
142 | mp = tmp; | |
143 | bytes += (n) * (sizeof(char *)); | |
144 | *names = mp; | |
145 | return n; | |
146 | } | |
147 | ||
148 | int | |
149 | make_device_names(char ***devlist, const char *name) | |
150 | { | |
151 | if (!strcmp(name, "SCSI")) | |
152 | return get_dev_names(devlist, net_dev_scsi_disk); | |
153 | else if (!strcmp(name, "ATA")) | |
154 | return get_dev_names(devlist, net_dev_ata_disk); | |
155 | else | |
156 | return 0; | |
157 | } | |
158 | ||
159 | int | |
160 | deviceopen(const char *pathname, char *type) | |
161 | { | |
162 | if (!strcmp(type, "SCSI")) { | |
163 | int fd = open(pathname, O_RDWR | O_NONBLOCK); | |
164 | if (fd < 0 && errno == EROFS) | |
165 | fd = open(pathname, O_RDONLY | O_NONBLOCK); | |
166 | return fd; | |
167 | } else if (!strcmp(type, "ATA")) | |
168 | return open(pathname, O_RDWR | O_NONBLOCK); | |
169 | else | |
170 | return -1; | |
171 | } | |
172 | ||
173 | int | |
174 | deviceclose(int fd) | |
175 | { | |
176 | return close(fd); | |
177 | } | |
178 | ||
179 | int | |
180 | ata_command_interface(int fd, smart_command_set command, int select, char *data) | |
181 | { | |
182 | struct atareq req; | |
183 | unsigned char inbuf[DEV_BSIZE]; | |
184 | int retval, copydata = 0; | |
185 | ||
186 | memset(&req, 0, sizeof(req)); | |
187 | req.timeout = 1000; | |
188 | ||
189 | memset(&inbuf, 0, sizeof(inbuf)); | |
190 | ||
191 | switch (command) { | |
192 | case READ_VALUES: | |
193 | req.flags = ATACMD_READ; | |
194 | req.features = WDSM_RD_DATA; | |
195 | req.command = WDCC_SMART; | |
196 | req.databuf = (char *)inbuf; | |
197 | req.datalen = sizeof(inbuf); | |
198 | req.cylinder = WDSMART_CYL; | |
199 | copydata = 1; | |
200 | break; | |
201 | case READ_THRESHOLDS: | |
202 | req.flags = ATACMD_READ; | |
203 | req.features = WDSM_RD_THRESHOLDS; | |
204 | req.command = WDCC_SMART; | |
205 | req.databuf = (char *)inbuf; | |
206 | req.datalen = sizeof(inbuf); | |
207 | req.cylinder = WDSMART_CYL; | |
208 | copydata = 1; | |
209 | break; | |
210 | case READ_LOG: | |
211 | req.flags = ATACMD_READ; | |
212 | req.features = ATA_SMART_READ_LOG_SECTOR; /* XXX missing from wdcreg.h */ | |
213 | req.command = WDCC_SMART; | |
214 | req.databuf = (char *)inbuf; | |
215 | req.datalen = sizeof(inbuf); | |
216 | req.cylinder = WDSMART_CYL; | |
217 | req.sec_num = select; | |
218 | req.sec_count = 1; | |
219 | copydata = 1; | |
220 | break; | |
221 | case WRITE_LOG: | |
222 | memcpy(inbuf, data, 512); | |
223 | req.flags = ATACMD_WRITE; | |
224 | req.features = ATA_SMART_WRITE_LOG_SECTOR; /* XXX missing from wdcreg.h */ | |
225 | req.command = WDCC_SMART; | |
226 | req.databuf = (char *)inbuf; | |
227 | req.datalen = sizeof(inbuf); | |
228 | req.cylinder = WDSMART_CYL; | |
229 | req.sec_num = select; | |
230 | req.sec_count = 1; | |
231 | break; | |
232 | case IDENTIFY: | |
233 | req.flags = ATACMD_READ; | |
234 | req.command = WDCC_IDENTIFY; | |
235 | req.databuf = (char *)inbuf; | |
236 | req.datalen = sizeof(inbuf); | |
237 | copydata = 1; | |
238 | break; | |
239 | case PIDENTIFY: | |
240 | req.flags = ATACMD_READ; | |
241 | req.command = ATAPI_IDENTIFY_DEVICE; | |
242 | req.databuf = (char *)inbuf; | |
243 | req.datalen = sizeof(inbuf); | |
244 | copydata = 1; | |
245 | break; | |
246 | case ENABLE: | |
247 | req.flags = ATACMD_READREG; | |
248 | req.features = WDSM_ENABLE_OPS; | |
249 | req.command = WDCC_SMART; | |
250 | req.cylinder = WDSMART_CYL; | |
251 | break; | |
252 | case DISABLE: | |
253 | req.flags = ATACMD_READREG; | |
254 | req.features = WDSM_DISABLE_OPS; | |
255 | req.command = WDCC_SMART; | |
256 | req.cylinder = WDSMART_CYL; | |
257 | break; | |
258 | case AUTO_OFFLINE: | |
259 | /* NOTE: According to ATAPI 4 and UP, this command is obsolete */ | |
260 | req.flags = ATACMD_READREG; | |
261 | req.features = ATA_SMART_AUTO_OFFLINE; /* XXX missing from wdcreg.h */ | |
262 | req.command = WDCC_SMART; | |
263 | req.cylinder = WDSMART_CYL; | |
264 | req.sec_count = select; | |
265 | break; | |
266 | case AUTOSAVE: | |
267 | req.flags = ATACMD_READREG; | |
268 | req.features = ATA_SMART_AUTOSAVE; /* XXX missing from wdcreg.h */ | |
269 | req.command = WDCC_SMART; | |
270 | req.cylinder = WDSMART_CYL; | |
271 | req.sec_count = select; | |
272 | break; | |
273 | case IMMEDIATE_OFFLINE: | |
274 | /* NOTE: According to ATAPI 4 and UP, this command is obsolete */ | |
275 | req.flags = ATACMD_READREG; | |
276 | req.features = ATA_SMART_IMMEDIATE_OFFLINE; /* XXX missing from wdcreg.h */ | |
277 | req.command = WDCC_SMART; | |
278 | req.cylinder = WDSMART_CYL; | |
279 | req.sec_num = select; | |
280 | req.sec_count = 1; | |
281 | break; | |
282 | case STATUS: /* should return 0 if SMART is enabled at all */ | |
283 | case STATUS_CHECK: /* should return 0 if disk's health is ok */ | |
284 | req.flags = ATACMD_READREG; | |
285 | req.features = WDSM_STATUS; | |
286 | req.command = WDCC_SMART; | |
287 | req.cylinder = WDSMART_CYL; | |
288 | break; | |
289 | case CHECK_POWER_MODE: | |
290 | req.flags = ATACMD_READREG; | |
291 | req.command = WDCC_CHECK_PWR; | |
292 | break; | |
293 | default: | |
294 | pout("Unrecognized command %d in ata_command_interface()\n", command); | |
295 | errno = ENOSYS; | |
296 | return -1; | |
297 | } | |
298 | ||
299 | if (command == STATUS_CHECK || command == AUTOSAVE || command == AUTO_OFFLINE) { | |
300 | char buf[512]; | |
301 | ||
302 | unsigned const short normal = WDSMART_CYL, failed = 0x2cf4; | |
303 | ||
304 | if ((retval = ioctl(fd, ATAIOCCOMMAND, &req))) { | |
305 | perror("Failed command"); | |
306 | return -1; | |
307 | } | |
308 | if (req.retsts != ATACMD_OK) { | |
309 | return -1; | |
310 | } | |
311 | /* Cyl low and Cyl high unchanged means "Good SMART status" */ | |
312 | if (req.cylinder == normal) | |
313 | return 0; | |
314 | ||
315 | /* These values mean "Bad SMART status" */ | |
316 | if (req.cylinder == failed) | |
317 | return 1; | |
318 | ||
319 | /* We haven't gotten output that makes sense; | |
320 | * print out some debugging info */ | |
321 | snprintf(buf, sizeof(buf), | |
322 | "CMD=0x%02x\nFR =0x%02x\nNS =0x%02x\nSC =0x%02x\nCL =0x%02x\nCH =0x%02x\nRETURN =0x%04x\n", | |
323 | (int) req.command, (int) req.features, (int) req.sec_count, (int) req.sec_num, | |
324 | (int) (le16toh(req.cylinder) & 0xff), (int) ((le16toh(req.cylinder) >> 8) & 0xff), | |
325 | (int) req.error); | |
326 | printwarning(BAD_SMART, buf); | |
327 | return 0; | |
328 | } | |
329 | ||
330 | retval = ioctl(fd, ATAIOCCOMMAND, &req); | |
331 | if (retval < 0) { | |
332 | perror("Failed command"); | |
333 | return -1; | |
334 | } | |
335 | if (req.retsts != ATACMD_OK) { | |
336 | return -1; | |
337 | } | |
338 | ||
339 | if (command == CHECK_POWER_MODE) | |
340 | data[0] = req.sec_count; | |
341 | ||
342 | if (copydata) | |
343 | memcpy(data, inbuf, 512); | |
344 | ||
345 | return 0; | |
346 | } | |
347 | ||
348 | int | |
349 | do_scsi_cmnd_io(int fd, struct scsi_cmnd_io * iop, int report) | |
350 | { | |
351 | struct scsireq sc; | |
352 | ||
353 | if (report > 0) { | |
354 | size_t k; | |
355 | ||
356 | const unsigned char *ucp = iop->cmnd; | |
357 | const char *np; | |
358 | ||
359 | np = scsi_get_opcode_name(ucp[0]); | |
360 | pout(" [%s: ", np ? np : "<unknown opcode>"); | |
361 | for (k = 0; k < iop->cmnd_len; ++k) | |
362 | pout("%02x ", ucp[k]); | |
363 | if ((report > 1) && | |
364 | (DXFER_TO_DEVICE == iop->dxfer_dir) && (iop->dxferp)) { | |
365 | int trunc = (iop->dxfer_len > 256) ? 1 : 0; | |
366 | ||
367 | pout("]\n Outgoing data, len=%d%s:\n", (int) iop->dxfer_len, | |
368 | (trunc ? " [only first 256 bytes shown]" : "")); | |
369 | dStrHex(iop->dxferp, (trunc ? 256 : iop->dxfer_len), 1); | |
370 | } else | |
371 | pout("]"); | |
372 | } | |
373 | memset(&sc, 0, sizeof(sc)); | |
374 | memcpy(sc.cmd, iop->cmnd, iop->cmnd_len); | |
375 | sc.cmdlen = iop->cmnd_len; | |
376 | sc.databuf = (char *)iop->dxferp; | |
377 | sc.datalen = iop->dxfer_len; | |
378 | sc.senselen = iop->max_sense_len; | |
379 | sc.timeout = iop->timeout == 0 ? 60000 : (1000 * iop->timeout); | |
380 | sc.flags = | |
381 | (iop->dxfer_dir == DXFER_NONE ? SCCMD_READ : | |
382 | (iop->dxfer_dir == DXFER_FROM_DEVICE ? SCCMD_READ : SCCMD_WRITE)); | |
383 | ||
384 | if (ioctl(fd, SCIOCCOMMAND, &sc) < 0) { | |
385 | warn("error sending SCSI ccb"); | |
386 | return -1; | |
387 | } | |
388 | iop->resid = sc.datalen - sc.datalen_used; | |
389 | iop->scsi_status = sc.status; | |
390 | if (iop->sensep) { | |
391 | memcpy(iop->sensep, sc.sense, sc.senselen_used); | |
392 | iop->resp_sense_len = sc.senselen_used; | |
393 | } | |
394 | if (report > 0) { | |
395 | int trunc; | |
396 | ||
397 | pout(" status=0\n"); | |
398 | trunc = (iop->dxfer_len > 256) ? 1 : 0; | |
399 | ||
400 | pout(" Incoming data, len=%d%s:\n", (int) iop->dxfer_len, | |
401 | (trunc ? " [only first 256 bytes shown]" : "")); | |
402 | dStrHex(iop->dxferp, (trunc ? 256 : iop->dxfer_len), 1); | |
403 | } | |
404 | switch (sc.retsts) { | |
405 | case SCCMD_OK: | |
406 | return 0; | |
407 | case SCCMD_TIMEOUT: | |
408 | return -ETIMEDOUT; | |
409 | case SCCMD_BUSY: | |
410 | return -EBUSY; | |
411 | default: | |
412 | return -EIO; | |
413 | } | |
414 | } | |
415 | ||
416 | /* print examples for smartctl */ | |
417 | void | |
418 | print_smartctl_examples() | |
419 | { | |
420 | char p; | |
421 | ||
422 | p = 'a' + getrawpartition(); | |
423 | printf("=================================================== SMARTCTL EXAMPLES =====\n\n"); | |
424 | #ifdef HAVE_GETOPT_LONG | |
425 | printf( | |
426 | " smartctl -a /dev/wd0%c (Prints all SMART information)\n\n" | |
427 | " smartctl --smart=on --offlineauto=on --saveauto=on /dev/wd0%c\n" | |
428 | " (Enables SMART on first disk)\n\n" | |
429 | " smartctl -t long /dev/wd0%c (Executes extended disk self-test)\n\n" | |
430 | " smartctl --attributes --log=selftest --quietmode=errorsonly /dev/wd0%c\n" | |
431 | " (Prints Self-Test & Attribute errors)\n", | |
432 | p, p, p, p | |
433 | ); | |
434 | #else | |
435 | printf( | |
436 | " smartctl -a /dev/wd0%c (Prints all SMART information)\n" | |
437 | " smartctl -s on -o on -S on /dev/wd0%c (Enables SMART on first disk)\n" | |
438 | " smartctl -t long /dev/wd0%c (Executes extended disk self-test)\n" | |
439 | " smartctl -A -l selftest -q errorsonly /dev/wd0%c" | |
440 | " (Prints Self-Test & Attribute errors)\n", | |
441 | p, p, p, p | |
442 | ); | |
443 | #endif | |
444 | return; | |
445 | } |