1: /*
2: * os_netbsd.cpp
3: *
4: * Home page of code is: http://smartmontools.sourceforge.net
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,v 1.1.1.3 2013/10/14 07:54:03 misho Exp $"
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, NO_3WARE, NO_ARECA, 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: mp = (char **)realloc(mp, n * (sizeof(char *)));
136: bytes += (n) * (sizeof(char *));
137: *names = mp;
138: return n;
139: }
140:
141: int
142: make_device_names(char ***devlist, const char *name)
143: {
144: if (!strcmp(name, "SCSI"))
145: return get_dev_names(devlist, net_dev_scsi_disk);
146: else if (!strcmp(name, "ATA"))
147: return get_dev_names(devlist, net_dev_ata_disk);
148: else
149: return 0;
150: }
151:
152: int
153: deviceopen(const char *pathname, char *type)
154: {
155: if (!strcmp(type, "SCSI")) {
156: int fd = open(pathname, O_RDWR | O_NONBLOCK);
157: if (fd < 0 && errno == EROFS)
158: fd = open(pathname, O_RDONLY | O_NONBLOCK);
159: return fd;
160: } else if (!strcmp(type, "ATA"))
161: return open(pathname, O_RDWR | O_NONBLOCK);
162: else
163: return -1;
164: }
165:
166: int
167: deviceclose(int fd)
168: {
169: return close(fd);
170: }
171:
172: int
173: ata_command_interface(int fd, smart_command_set command, int select, char *data)
174: {
175: struct atareq req;
176: unsigned char inbuf[DEV_BSIZE];
177: int retval, copydata = 0;
178:
179: memset(&req, 0, sizeof(req));
180: req.timeout = 1000;
181:
182: memset(&inbuf, 0, sizeof(inbuf));
183:
184: switch (command) {
185: case READ_VALUES:
186: req.flags = ATACMD_READ;
187: req.features = WDSM_RD_DATA;
188: req.command = WDCC_SMART;
189: req.databuf = (char *)inbuf;
190: req.datalen = sizeof(inbuf);
191: req.cylinder = WDSMART_CYL;
192: copydata = 1;
193: break;
194: case READ_THRESHOLDS:
195: req.flags = ATACMD_READ;
196: req.features = WDSM_RD_THRESHOLDS;
197: req.command = WDCC_SMART;
198: req.databuf = (char *)inbuf;
199: req.datalen = sizeof(inbuf);
200: req.cylinder = WDSMART_CYL;
201: copydata = 1;
202: break;
203: case READ_LOG:
204: req.flags = ATACMD_READ;
205: req.features = ATA_SMART_READ_LOG_SECTOR; /* XXX missing from wdcreg.h */
206: req.command = WDCC_SMART;
207: req.databuf = (char *)inbuf;
208: req.datalen = sizeof(inbuf);
209: req.cylinder = WDSMART_CYL;
210: req.sec_num = select;
211: req.sec_count = 1;
212: copydata = 1;
213: break;
214: case WRITE_LOG:
215: memcpy(inbuf, data, 512);
216: req.flags = ATACMD_WRITE;
217: req.features = ATA_SMART_WRITE_LOG_SECTOR; /* XXX missing from wdcreg.h */
218: req.command = WDCC_SMART;
219: req.databuf = (char *)inbuf;
220: req.datalen = sizeof(inbuf);
221: req.cylinder = WDSMART_CYL;
222: req.sec_num = select;
223: req.sec_count = 1;
224: break;
225: case IDENTIFY:
226: req.flags = ATACMD_READ;
227: req.command = WDCC_IDENTIFY;
228: req.databuf = (char *)inbuf;
229: req.datalen = sizeof(inbuf);
230: copydata = 1;
231: break;
232: case PIDENTIFY:
233: req.flags = ATACMD_READ;
234: req.command = ATAPI_IDENTIFY_DEVICE;
235: req.databuf = (char *)inbuf;
236: req.datalen = sizeof(inbuf);
237: copydata = 1;
238: break;
239: case ENABLE:
240: req.flags = ATACMD_READREG;
241: req.features = WDSM_ENABLE_OPS;
242: req.command = WDCC_SMART;
243: req.cylinder = WDSMART_CYL;
244: break;
245: case DISABLE:
246: req.flags = ATACMD_READREG;
247: req.features = WDSM_DISABLE_OPS;
248: req.command = WDCC_SMART;
249: req.cylinder = WDSMART_CYL;
250: break;
251: case AUTO_OFFLINE:
252: /* NOTE: According to ATAPI 4 and UP, this command is obsolete */
253: req.flags = ATACMD_READREG;
254: req.features = ATA_SMART_AUTO_OFFLINE; /* XXX missing from wdcreg.h */
255: req.command = WDCC_SMART;
256: req.cylinder = WDSMART_CYL;
257: req.sec_count = select;
258: break;
259: case AUTOSAVE:
260: req.flags = ATACMD_READREG;
261: req.features = ATA_SMART_AUTOSAVE; /* XXX missing from wdcreg.h */
262: req.command = WDCC_SMART;
263: req.cylinder = WDSMART_CYL;
264: req.sec_count = select;
265: break;
266: case IMMEDIATE_OFFLINE:
267: /* NOTE: According to ATAPI 4 and UP, this command is obsolete */
268: req.flags = ATACMD_READREG;
269: req.features = ATA_SMART_IMMEDIATE_OFFLINE; /* XXX missing from wdcreg.h */
270: req.command = WDCC_SMART;
271: req.cylinder = WDSMART_CYL;
272: req.sec_num = select;
273: req.sec_count = 1;
274: break;
275: case STATUS: /* should return 0 if SMART is enabled at all */
276: case STATUS_CHECK: /* should return 0 if disk's health is ok */
277: req.flags = ATACMD_READREG;
278: req.features = WDSM_STATUS;
279: req.command = WDCC_SMART;
280: req.cylinder = WDSMART_CYL;
281: break;
282: case CHECK_POWER_MODE:
283: req.flags = ATACMD_READREG;
284: req.command = WDCC_CHECK_PWR;
285: break;
286: default:
287: pout("Unrecognized command %d in ata_command_interface()\n", command);
288: errno = ENOSYS;
289: return -1;
290: }
291:
292: if (command == STATUS_CHECK || command == AUTOSAVE || command == AUTO_OFFLINE) {
293: char buf[512];
294:
295: unsigned const short normal = WDSMART_CYL, failed = 0x2cf4;
296:
297: if ((retval = ioctl(fd, ATAIOCCOMMAND, &req))) {
298: perror("Failed command");
299: return -1;
300: }
301: if (req.retsts != ATACMD_OK) {
302: return -1;
303: }
304: /* Cyl low and Cyl high unchanged means "Good SMART status" */
305: if (req.cylinder == normal)
306: return 0;
307:
308: /* These values mean "Bad SMART status" */
309: if (req.cylinder == failed)
310: return 1;
311:
312: /* We haven't gotten output that makes sense;
313: * print out some debugging info */
314: snprintf(buf, sizeof(buf),
315: "CMD=0x%02x\nFR =0x%02x\nNS =0x%02x\nSC =0x%02x\nCL =0x%02x\nCH =0x%02x\nRETURN =0x%04x\n",
316: (int) req.command, (int) req.features, (int) req.sec_count, (int) req.sec_num,
317: (int) (le16toh(req.cylinder) & 0xff), (int) ((le16toh(req.cylinder) >> 8) & 0xff),
318: (int) req.error);
319: printwarning(BAD_SMART, buf);
320: return 0;
321: }
322:
323: if ((retval = ioctl(fd, ATAIOCCOMMAND, &req))) {
324: perror("Failed command");
325: return -1;
326: }
327: if (req.retsts != ATACMD_OK) {
328: return -1;
329: }
330:
331: if (command == CHECK_POWER_MODE)
332: data[0] = req.sec_count;
333:
334: if (copydata)
335: memcpy(data, inbuf, 512);
336:
337: return 0;
338: }
339:
340: int
341: do_scsi_cmnd_io(int fd, struct scsi_cmnd_io * iop, int report)
342: {
343: struct scsireq sc;
344:
345: if (report > 0) {
346: size_t k;
347:
348: const unsigned char *ucp = iop->cmnd;
349: const char *np;
350:
351: np = scsi_get_opcode_name(ucp[0]);
352: pout(" [%s: ", np ? np : "<unknown opcode>");
353: for (k = 0; k < iop->cmnd_len; ++k)
354: pout("%02x ", ucp[k]);
355: if ((report > 1) &&
356: (DXFER_TO_DEVICE == iop->dxfer_dir) && (iop->dxferp)) {
357: int trunc = (iop->dxfer_len > 256) ? 1 : 0;
358:
359: pout("]\n Outgoing data, len=%d%s:\n", (int) iop->dxfer_len,
360: (trunc ? " [only first 256 bytes shown]" : ""));
361: dStrHex(iop->dxferp, (trunc ? 256 : iop->dxfer_len), 1);
362: } else
363: pout("]");
364: }
365: memset(&sc, 0, sizeof(sc));
366: memcpy(sc.cmd, iop->cmnd, iop->cmnd_len);
367: sc.cmdlen = iop->cmnd_len;
368: sc.databuf = (char *)iop->dxferp;
369: sc.datalen = iop->dxfer_len;
370: sc.senselen = iop->max_sense_len;
371: sc.timeout = iop->timeout == 0 ? 60000 : (1000 * iop->timeout);
372: sc.flags =
373: (iop->dxfer_dir == DXFER_NONE ? SCCMD_READ :
374: (iop->dxfer_dir == DXFER_FROM_DEVICE ? SCCMD_READ : SCCMD_WRITE));
375:
376: if (ioctl(fd, SCIOCCOMMAND, &sc) < 0) {
377: warn("error sending SCSI ccb");
378: return -1;
379: }
380: iop->resid = sc.datalen - sc.datalen_used;
381: iop->scsi_status = sc.status;
382: if (iop->sensep) {
383: memcpy(iop->sensep, sc.sense, sc.senselen_used);
384: iop->resp_sense_len = sc.senselen_used;
385: }
386: if (report > 0) {
387: int trunc;
388:
389: pout(" status=0\n");
390: trunc = (iop->dxfer_len > 256) ? 1 : 0;
391:
392: pout(" Incoming data, len=%d%s:\n", (int) iop->dxfer_len,
393: (trunc ? " [only first 256 bytes shown]" : ""));
394: dStrHex(iop->dxferp, (trunc ? 256 : iop->dxfer_len), 1);
395: }
396: switch (sc.retsts) {
397: case SCCMD_OK:
398: return 0;
399: case SCCMD_TIMEOUT:
400: return -ETIMEDOUT;
401: case SCCMD_BUSY:
402: return -EBUSY;
403: default:
404: return -EIO;
405: }
406: }
407:
408: /* print examples for smartctl */
409: void
410: print_smartctl_examples()
411: {
412: char p;
413:
414: p = 'a' + getrawpartition();
415: printf("=================================================== SMARTCTL EXAMPLES =====\n\n");
416: #ifdef HAVE_GETOPT_LONG
417: printf(
418: " smartctl -a /dev/wd0%c (Prints all SMART information)\n\n"
419: " smartctl --smart=on --offlineauto=on --saveauto=on /dev/wd0%c\n"
420: " (Enables SMART on first disk)\n\n"
421: " smartctl -t long /dev/wd0%c (Executes extended disk self-test)\n\n"
422: " smartctl --attributes --log=selftest --quietmode=errorsonly /dev/wd0%c\n"
423: " (Prints Self-Test & Attribute errors)\n",
424: p, p, p, p
425: );
426: #else
427: printf(
428: " smartctl -a /dev/wd0%c (Prints all SMART information)\n"
429: " smartctl -s on -o on -S on /dev/wd0%c (Enables SMART on first disk)\n"
430: " smartctl -t long /dev/wd0%c (Executes extended disk self-test)\n"
431: " smartctl -A -l selftest -q errorsonly /dev/wd0%c"
432: " (Prints Self-Test & Attribute errors)\n",
433: p, p, p, p
434: );
435: #endif
436: return;
437: }
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