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832b75ed | 1 | /* |
4d59bff9 | 2 | * os_netbsd.cpp |
832b75ed | 3 | * |
a86ec89e | 4 | * Home page of code is: http://www.smartmontools.org |
832b75ed | 5 | * |
f9e10201 JD |
6 | * Copyright (C) 2003-8 Sergey Svishchev |
7 | * Copyright (C) 2016 Kimihiro Nonaka | |
832b75ed GG |
8 | * |
9 | * This program is free software; you can redistribute it and/or modify | |
10 | * it under the terms of the GNU General Public License as published by | |
11 | * the Free Software Foundation; either version 2, or (at your option) | |
12 | * any later version. | |
13 | * | |
14 | * You should have received a copy of the GNU General Public License | |
ee38a438 GI |
15 | * (for example COPYING); if not, write to the Free Software Foundation, |
16 | * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. | |
832b75ed GG |
17 | * |
18 | */ | |
19 | ||
20 | #include "config.h" | |
21 | #include "int64.h" | |
22 | #include "atacmds.h" | |
23 | #include "scsicmds.h" | |
24 | #include "utility.h" | |
25 | #include "os_netbsd.h" | |
cfbba5b9 | 26 | |
f9e10201 JD |
27 | #include <sys/drvctlio.h> |
28 | #include <sys/utsname.h> | |
cfbba5b9 | 29 | #include <errno.h> |
832b75ed GG |
30 | #include <unistd.h> |
31 | ||
f9e10201 JD |
32 | // based on "sys/dev/ic/nvmeio.h" from NetBSD kernel sources |
33 | #include "netbsd_nvme_ioctl.h" // NVME_PASSTHROUGH_CMD, nvme_completion_is_error | |
34 | ||
35 | const char * os_netbsd_cpp_cvsid = "$Id: os_netbsd.cpp 4431 2017-08-08 19:38:15Z chrfranke $" | |
cfbba5b9 | 36 | OS_NETBSD_H_CVSID; |
832b75ed | 37 | |
832b75ed | 38 | enum warnings { |
a86ec89e | 39 | BAD_SMART, MAX_MSG |
832b75ed GG |
40 | }; |
41 | ||
42 | /* Utility function for printing warnings */ | |
43 | void | |
44 | printwarning(int msgNo, const char *extra) | |
45 | { | |
46 | static int printed[] = {0, 0}; | |
47 | static const char *message[] = { | |
48 | "Error: SMART Status command failed.\nPlease get assistance from \n" PACKAGE_HOMEPAGE "\nRegister values returned from SMART Status command are:\n", | |
34ad0c5f | 49 | PACKAGE_STRING " does not currently support twe(4) and twa(4) devices (3ware Escalade, Apache)\n", |
832b75ed GG |
50 | }; |
51 | ||
52 | if (msgNo >= 0 && msgNo <= MAX_MSG) { | |
53 | if (!printed[msgNo]) { | |
54 | printed[msgNo] = 1; | |
55 | pout("%s", message[msgNo]); | |
56 | if (extra) | |
f9e10201 | 57 | pout("%s", extra); |
832b75ed GG |
58 | } |
59 | } | |
60 | return; | |
61 | } | |
62 | ||
f9e10201 JD |
63 | #define ARGUSED(x) ((void)(x)) |
64 | ||
65 | ///////////////////////////////////////////////////////////////////////////// | |
66 | ||
67 | namespace os_netbsd { // No need to publish anything, name provided for Doxygen | |
68 | ||
69 | static const char *net_dev_prefix = "/dev/"; | |
70 | static const char *net_dev_raw_prefix = "/dev/r"; | |
832b75ed GG |
71 | static const char *net_dev_ata_disk = "wd"; |
72 | static const char *net_dev_scsi_disk = "sd"; | |
73 | static const char *net_dev_scsi_tape = "enrst"; | |
f9e10201 JD |
74 | static const char *net_dev_nvme_ctrl = "nvme"; |
75 | ||
76 | ///////////////////////////////////////////////////////////////////////////// | |
77 | /// Implement shared open/close routines with old functions. | |
832b75ed | 78 | |
f9e10201 JD |
79 | class netbsd_smart_device |
80 | : virtual public /*implements*/ smart_device | |
832b75ed | 81 | { |
f9e10201 JD |
82 | public: |
83 | explicit netbsd_smart_device() | |
84 | : smart_device(never_called), | |
85 | m_fd(-1) { } | |
832b75ed | 86 | |
f9e10201 | 87 | virtual ~netbsd_smart_device() throw(); |
832b75ed | 88 | |
f9e10201 JD |
89 | virtual bool is_open() const; |
90 | ||
91 | virtual bool open(); | |
92 | ||
93 | virtual bool close(); | |
94 | ||
95 | protected: | |
96 | /// Return filedesc for derived classes. | |
97 | int get_fd() const | |
98 | { return m_fd; } | |
832b75ed | 99 | |
f9e10201 JD |
100 | void set_fd(int fd) |
101 | { m_fd = fd; } | |
832b75ed | 102 | |
f9e10201 JD |
103 | private: |
104 | int m_fd; ///< filedesc, -1 if not open. | |
105 | }; | |
832b75ed | 106 | |
f9e10201 JD |
107 | netbsd_smart_device::~netbsd_smart_device() throw() |
108 | { | |
109 | if (m_fd >= 0) | |
110 | os_netbsd::netbsd_smart_device::close(); | |
832b75ed GG |
111 | } |
112 | ||
f9e10201 | 113 | bool netbsd_smart_device::is_open() const |
832b75ed | 114 | { |
f9e10201 JD |
115 | return (m_fd >= 0); |
116 | } | |
832b75ed | 117 | |
832b75ed | 118 | |
f9e10201 JD |
119 | bool netbsd_smart_device::open() |
120 | { | |
121 | const char *dev = get_dev_name(); | |
122 | int fd; | |
123 | ||
124 | if (is_scsi()) { | |
125 | fd = ::open(dev,O_RDWR|O_NONBLOCK); | |
126 | if (fd < 0 && errno == EROFS) | |
127 | fd = ::open(dev,O_RDONLY|O_NONBLOCK); | |
128 | if (fd < 0) { | |
129 | set_err(errno); | |
130 | return false; | |
832b75ed | 131 | } |
f9e10201 JD |
132 | } else if (is_ata() || is_nvme()) { |
133 | if ((fd = ::open(dev,O_RDWR|O_NONBLOCK))<0) { | |
134 | set_err(errno); | |
135 | return false; | |
832b75ed | 136 | } |
f9e10201 JD |
137 | } else |
138 | return false; | |
832b75ed | 139 | |
f9e10201 JD |
140 | set_fd(fd); |
141 | return true; | |
832b75ed GG |
142 | } |
143 | ||
f9e10201 | 144 | bool netbsd_smart_device::close() |
832b75ed | 145 | { |
f9e10201 JD |
146 | int failed = 0; |
147 | // close device, if open | |
148 | if (is_open()) | |
149 | failed=::close(get_fd()); | |
150 | ||
151 | set_fd(-1); | |
152 | ||
153 | if(failed) return false; | |
154 | else return true; | |
832b75ed GG |
155 | } |
156 | ||
f9e10201 JD |
157 | ///////////////////////////////////////////////////////////////////////////// |
158 | /// Implement standard ATA support | |
159 | ||
160 | class netbsd_ata_device | |
161 | : public /*implements*/ ata_device, | |
162 | public /*extends*/ netbsd_smart_device | |
163 | { | |
164 | public: | |
165 | netbsd_ata_device(smart_interface * intf, const char * dev_name, const char * req_type); | |
166 | virtual bool ata_pass_through(const ata_cmd_in & in, ata_cmd_out & out); | |
167 | ||
168 | protected: | |
169 | virtual int do_cmd(struct atareq* request, bool is_48bit_cmd); | |
170 | }; | |
171 | ||
172 | netbsd_ata_device::netbsd_ata_device(smart_interface * intf, const char * dev_name, const char * req_type) | |
173 | : smart_device(intf, dev_name, "ata", req_type), | |
174 | netbsd_smart_device() | |
832b75ed | 175 | { |
832b75ed GG |
176 | } |
177 | ||
f9e10201 | 178 | int netbsd_ata_device::do_cmd( struct atareq* request, bool is_48bit_cmd) |
832b75ed | 179 | { |
f9e10201 JD |
180 | int fd = get_fd(), ret; |
181 | ARGUSED(is_48bit_cmd); // no support for 48 bit commands in the ATAIOCCOMMAND | |
182 | ret = ioctl(fd, ATAIOCCOMMAND, request); | |
183 | if (ret) set_err(errno); | |
184 | return ret; | |
832b75ed GG |
185 | } |
186 | ||
f9e10201 | 187 | bool netbsd_ata_device::ata_pass_through(const ata_cmd_in & in, ata_cmd_out & out) |
832b75ed | 188 | { |
f9e10201 JD |
189 | bool ata_48bit = false; // no ata_48bit_support via ATAIOCCOMMAND |
190 | ||
191 | if (!ata_cmd_is_ok(in, | |
192 | true, // data_out_support | |
193 | true, // multi_sector_support | |
194 | ata_48bit) | |
195 | ) { | |
196 | set_err(ENOSYS, "48-bit ATA commands not implemented"); | |
197 | return false; | |
198 | } | |
832b75ed | 199 | |
f9e10201 | 200 | struct atareq req; |
832b75ed | 201 | memset(&req, 0, sizeof(req)); |
f9e10201 | 202 | |
34ad0c5f | 203 | req.timeout = 1000; |
f9e10201 JD |
204 | req.command = in.in_regs.command; |
205 | req.features = in.in_regs.features; | |
206 | req.sec_count = in.in_regs.sector_count; | |
207 | req.sec_num = in.in_regs.lba_low; | |
208 | req.head = in.in_regs.device; | |
209 | req.cylinder = le16toh(in.in_regs.lba_mid | (in.in_regs.lba_high << 8)); | |
210 | ||
211 | switch (in.direction) { | |
212 | case ata_cmd_in::no_data: | |
213 | req.flags = ATACMD_READREG; | |
214 | break; | |
215 | case ata_cmd_in::data_in: | |
216 | req.flags = ATACMD_READ | ATACMD_READREG; | |
217 | req.databuf = (char *)in.buffer; | |
218 | req.datalen = in.size; | |
219 | break; | |
220 | case ata_cmd_in::data_out: | |
221 | req.flags = ATACMD_WRITE | ATACMD_READREG; | |
222 | req.databuf = (char *)in.buffer; | |
223 | req.datalen = in.size; | |
224 | break; | |
225 | default: | |
226 | return set_err(ENOSYS); | |
227 | } | |
34ad0c5f | 228 | |
f9e10201 JD |
229 | clear_err(); |
230 | errno = 0; | |
231 | if (do_cmd(&req, in.in_regs.is_48bit_cmd())) | |
232 | return false; | |
233 | if (req.retsts != ATACMD_OK) | |
234 | return set_err(EIO, "request failed, error code 0x%02x", req.retsts); | |
235 | ||
236 | out.out_regs.error = req.error; | |
237 | out.out_regs.sector_count = req.sec_count; | |
238 | out.out_regs.lba_low = req.sec_num; | |
239 | out.out_regs.device = req.head; | |
240 | out.out_regs.lba_mid = le16toh(req.cylinder); | |
241 | out.out_regs.lba_high = le16toh(req.cylinder) >> 8; | |
242 | out.out_regs.status = req.command; | |
243 | ||
244 | // Command specific processing | |
245 | if (in.in_regs.command == ATA_SMART_CMD | |
246 | && in.in_regs.features == ATA_SMART_STATUS | |
247 | && in.out_needed.lba_high) | |
248 | { | |
249 | unsigned const char normal_lo=0x4f, normal_hi=0xc2; | |
250 | unsigned const char failed_lo=0xf4, failed_hi=0x2c; | |
251 | ||
252 | // Cyl low and Cyl high unchanged means "Good SMART status" | |
253 | if (!(out.out_regs.lba_mid==normal_lo && out.out_regs.lba_high==normal_hi) | |
254 | // These values mean "Bad SMART status" | |
255 | && !(out.out_regs.lba_mid==failed_lo && out.out_regs.lba_high==failed_hi)) | |
256 | ||
257 | { | |
258 | // We haven't gotten output that makes sense; print out some debugging info | |
259 | char buf[512]; | |
260 | snprintf(buf, sizeof(buf), | |
261 | "CMD=0x%02x\nFR =0x%02x\nNS =0x%02x\nSC =0x%02x\nCL =0x%02x\nCH =0x%02x\nRETURN =0x%04x\n", | |
262 | (int)req.command, | |
263 | (int)req.features, | |
264 | (int)req.sec_count, | |
265 | (int)req.sec_num, | |
266 | (int)(le16toh(req.cylinder) & 0xff), | |
267 | (int)((le16toh(req.cylinder) >> 8) & 0xff), | |
268 | (int)req.error); | |
269 | printwarning(BAD_SMART,buf); | |
270 | out.out_regs.lba_high = failed_hi; | |
271 | out.out_regs.lba_mid = failed_lo; | |
272 | } | |
832b75ed GG |
273 | } |
274 | ||
f9e10201 JD |
275 | return true; |
276 | } | |
832b75ed | 277 | |
f9e10201 JD |
278 | ///////////////////////////////////////////////////////////////////////////// |
279 | /// NVMe support | |
832b75ed | 280 | |
f9e10201 JD |
281 | class netbsd_nvme_device |
282 | : public /*implements*/ nvme_device, | |
283 | public /*extends*/ netbsd_smart_device | |
284 | { | |
285 | public: | |
286 | netbsd_nvme_device(smart_interface * intf, const char * dev_name, | |
287 | const char * req_type, unsigned nsid); | |
288 | ||
289 | virtual bool open(); | |
290 | ||
291 | virtual bool nvme_pass_through(const nvme_cmd_in & in, nvme_cmd_out & out); | |
292 | }; | |
293 | ||
294 | netbsd_nvme_device::netbsd_nvme_device(smart_interface * intf, const char * dev_name, | |
295 | const char * req_type, unsigned nsid) | |
296 | : smart_device(intf, dev_name, "nvme", req_type), | |
297 | nvme_device(nsid), | |
298 | netbsd_smart_device() | |
299 | { | |
300 | } | |
301 | ||
302 | bool netbsd_nvme_device::open() | |
303 | { | |
304 | const char *dev = get_dev_name(); | |
305 | if (strncmp(dev, NVME_PREFIX, strlen(NVME_PREFIX))) { | |
306 | set_err(EINVAL, "NVMe controller controller/namespace ids must begin with '%s'", | |
307 | NVME_PREFIX); | |
308 | return false; | |
309 | } | |
310 | ||
311 | int nsid = -1, ctrlid = -1; | |
312 | char tmp; | |
313 | ||
314 | if(sscanf(dev, NVME_PREFIX"%d%c", &ctrlid, &tmp) == 1) | |
315 | { | |
316 | if(ctrlid < 0) { | |
317 | set_err(EINVAL, "Invalid NVMe controller number"); | |
318 | return false; | |
832b75ed | 319 | } |
f9e10201 JD |
320 | nsid = 0xFFFFFFFF; // broadcast id |
321 | } | |
322 | else if (sscanf(dev, NVME_PREFIX"%d"NVME_NS_PREFIX"%d%c", | |
323 | &ctrlid, &nsid, &tmp) == 2) | |
324 | { | |
325 | if(ctrlid < 0 || nsid <= 0) { | |
326 | set_err(EINVAL, "Invalid NVMe controller/namespace number"); | |
327 | return false; | |
34ad0c5f | 328 | } |
f9e10201 JD |
329 | } |
330 | else { | |
331 | set_err(EINVAL, "Invalid NVMe controller/namespace syntax"); | |
332 | return false; | |
832b75ed | 333 | } |
34ad0c5f | 334 | |
f9e10201 JD |
335 | // we should always open controller, not namespace device |
336 | char full_path[64]; | |
337 | snprintf(full_path, sizeof(full_path), NVME_PREFIX"%d", ctrlid); | |
338 | ||
339 | int fd; | |
340 | if ((fd = ::open(full_path, O_RDWR))<0) { | |
341 | set_err(errno); | |
342 | return false; | |
832b75ed | 343 | } |
f9e10201 JD |
344 | set_fd(fd); |
345 | ||
346 | if (!get_nsid()) { | |
347 | set_nsid(nsid); | |
34ad0c5f GG |
348 | } |
349 | ||
f9e10201 JD |
350 | return true; |
351 | } | |
832b75ed | 352 | |
f9e10201 JD |
353 | bool netbsd_nvme_device::nvme_pass_through(const nvme_cmd_in & in, nvme_cmd_out & out) |
354 | { | |
355 | struct nvme_pt_command pt; | |
356 | memset(&pt, 0, sizeof(pt)); | |
832b75ed | 357 | |
f9e10201 JD |
358 | pt.cmd.opcode = in.opcode; |
359 | pt.cmd.nsid = in.nsid; | |
360 | pt.buf = in.buffer; | |
361 | pt.len = in.size; | |
362 | pt.cmd.cdw10 = in.cdw10; | |
363 | pt.cmd.cdw11 = in.cdw11; | |
364 | pt.cmd.cdw12 = in.cdw12; | |
365 | pt.cmd.cdw13 = in.cdw13; | |
366 | pt.cmd.cdw14 = in.cdw14; | |
367 | pt.cmd.cdw15 = in.cdw15; | |
368 | pt.is_read = 1; // should we use in.direction()? | |
369 | ||
370 | int status = ioctl(get_fd(), NVME_PASSTHROUGH_CMD, &pt); | |
371 | ||
372 | if (status < 0) | |
373 | return set_err(errno, "NVME_PASSTHROUGH_CMD: %s", strerror(errno)); | |
374 | ||
375 | out.result=pt.cpl.cdw0; // Command specific result (DW0) | |
376 | ||
377 | if (nvme_completion_is_error(&pt.cpl)) | |
378 | return set_nvme_err(out, nvme_completion_is_error(&pt.cpl)); | |
379 | ||
380 | return true; | |
832b75ed GG |
381 | } |
382 | ||
f9e10201 JD |
383 | ///////////////////////////////////////////////////////////////////////////// |
384 | /// Standard SCSI support | |
385 | ||
386 | class netbsd_scsi_device | |
387 | : public /*implements*/ scsi_device, | |
388 | public /*extends*/ netbsd_smart_device | |
832b75ed | 389 | { |
f9e10201 JD |
390 | public: |
391 | netbsd_scsi_device(smart_interface * intf, const char * dev_name, const char * req_type, bool scanning = false); | |
392 | ||
393 | virtual smart_device * autodetect_open(); | |
394 | ||
395 | virtual bool scsi_pass_through(scsi_cmnd_io * iop); | |
396 | ||
397 | private: | |
398 | bool m_scanning; ///< true if created within scan_smart_devices | |
399 | }; | |
400 | ||
401 | netbsd_scsi_device::netbsd_scsi_device(smart_interface * intf, | |
402 | const char * dev_name, const char * req_type, bool scanning /* = false */) | |
403 | : smart_device(intf, dev_name, "scsi", req_type), | |
404 | netbsd_smart_device(), | |
405 | m_scanning(scanning) | |
406 | { | |
407 | } | |
832b75ed | 408 | |
f9e10201 JD |
409 | bool netbsd_scsi_device::scsi_pass_through(scsi_cmnd_io * iop) |
410 | { | |
411 | struct scsireq sc; | |
412 | int fd = get_fd(); | |
832b75ed | 413 | |
f9e10201 JD |
414 | if (scsi_debugmode) { |
415 | unsigned int k; | |
416 | const unsigned char * ucp = iop->cmnd; | |
417 | const char * np; | |
832b75ed GG |
418 | |
419 | np = scsi_get_opcode_name(ucp[0]); | |
420 | pout(" [%s: ", np ? np : "<unknown opcode>"); | |
421 | for (k = 0; k < iop->cmnd_len; ++k) | |
422 | pout("%02x ", ucp[k]); | |
f9e10201 | 423 | if ((scsi_debugmode > 1) && |
832b75ed | 424 | (DXFER_TO_DEVICE == iop->dxfer_dir) && (iop->dxferp)) { |
f9e10201 | 425 | int trunc = (iop->dxfer_len > 256) ? 1 : 0; |
832b75ed | 426 | |
f9e10201 JD |
427 | pout("]\n Outgoing data, len=%d%s:\n", (int)iop->dxfer_len, |
428 | (trunc ? " [only first 256 bytes shown]" : "")); | |
429 | dStrHex(iop->dxferp, (trunc ? 256 : iop->dxfer_len) , 1); | |
430 | } | |
431 | else | |
432 | pout("]\n"); | |
832b75ed | 433 | } |
f9e10201 | 434 | |
832b75ed GG |
435 | memset(&sc, 0, sizeof(sc)); |
436 | memcpy(sc.cmd, iop->cmnd, iop->cmnd_len); | |
437 | sc.cmdlen = iop->cmnd_len; | |
4d59bff9 | 438 | sc.databuf = (char *)iop->dxferp; |
832b75ed GG |
439 | sc.datalen = iop->dxfer_len; |
440 | sc.senselen = iop->max_sense_len; | |
441 | sc.timeout = iop->timeout == 0 ? 60000 : (1000 * iop->timeout); | |
442 | sc.flags = | |
4d59bff9 | 443 | (iop->dxfer_dir == DXFER_NONE ? SCCMD_READ : |
832b75ed GG |
444 | (iop->dxfer_dir == DXFER_FROM_DEVICE ? SCCMD_READ : SCCMD_WRITE)); |
445 | ||
446 | if (ioctl(fd, SCIOCCOMMAND, &sc) < 0) { | |
f9e10201 JD |
447 | if (scsi_debugmode) { |
448 | pout(" error sending SCSI ccb\n"); | |
449 | } | |
450 | return set_err(EIO); | |
832b75ed GG |
451 | } |
452 | iop->resid = sc.datalen - sc.datalen_used; | |
453 | iop->scsi_status = sc.status; | |
454 | if (iop->sensep) { | |
455 | memcpy(iop->sensep, sc.sense, sc.senselen_used); | |
456 | iop->resp_sense_len = sc.senselen_used; | |
457 | } | |
f9e10201 | 458 | if (scsi_debugmode) { |
832b75ed GG |
459 | int trunc; |
460 | ||
461 | pout(" status=0\n"); | |
462 | trunc = (iop->dxfer_len > 256) ? 1 : 0; | |
463 | ||
464 | pout(" Incoming data, len=%d%s:\n", (int) iop->dxfer_len, | |
465 | (trunc ? " [only first 256 bytes shown]" : "")); | |
466 | dStrHex(iop->dxferp, (trunc ? 256 : iop->dxfer_len), 1); | |
467 | } | |
34ad0c5f GG |
468 | switch (sc.retsts) { |
469 | case SCCMD_OK: | |
f9e10201 | 470 | break; |
34ad0c5f | 471 | case SCCMD_TIMEOUT: |
f9e10201 | 472 | return set_err(ETIMEDOUT); |
34ad0c5f | 473 | case SCCMD_BUSY: |
f9e10201 | 474 | return set_err(EBUSY); |
34ad0c5f | 475 | default: |
f9e10201 | 476 | return set_err(EIO); |
34ad0c5f | 477 | } |
f9e10201 JD |
478 | |
479 | return true; | |
832b75ed GG |
480 | } |
481 | ||
f9e10201 JD |
482 | ///////////////////////////////////////////////////////////////////////////// |
483 | ///// SCSI open with autodetection support | |
484 | ||
485 | smart_device * netbsd_scsi_device::autodetect_open() | |
832b75ed | 486 | { |
f9e10201 JD |
487 | // Open device |
488 | if (!open()) | |
489 | return this; | |
490 | ||
491 | // No Autodetection if device type was specified by user | |
492 | bool sat_only = false; | |
493 | if (*get_req_type()) { | |
494 | // Detect SAT if device object was created by scan_smart_devices(). | |
495 | if (!(m_scanning && !strcmp(get_req_type(), "sat"))) | |
496 | return this; | |
497 | sat_only = true; | |
498 | } | |
832b75ed | 499 | |
f9e10201 JD |
500 | // The code below is based on smartd.cpp:SCSIFilterKnown() |
501 | ||
502 | // Get INQUIRY | |
503 | unsigned char req_buff[64] = {0, }; | |
504 | int req_len = 36; | |
505 | if (scsiStdInquiry(this, req_buff, req_len)) { | |
506 | // Marvell controllers fail on a 36 bytes StdInquiry, but 64 suffices | |
507 | // watch this spot ... other devices could lock up here | |
508 | req_len = 64; | |
509 | if (scsiStdInquiry(this, req_buff, req_len)) { | |
510 | // device doesn't like INQUIRY commands | |
511 | close(); | |
512 | set_err(EIO, "INQUIRY failed"); | |
513 | return this; | |
514 | } | |
515 | } | |
516 | ||
517 | int avail_len = req_buff[4] + 5; | |
518 | int len = (avail_len < req_len ? avail_len : req_len); | |
519 | if (len < 36) { | |
520 | if (sat_only) { | |
521 | close(); | |
522 | set_err(EIO, "INQUIRY too short for SAT"); | |
523 | } | |
524 | return this; | |
525 | } | |
526 | ||
527 | // Use INQUIRY to detect type | |
528 | ||
529 | // SAT or USB, skip MFI controllers because of bugs | |
530 | { | |
531 | smart_device * newdev = smi()->autodetect_sat_device(this, req_buff, len); | |
532 | if (newdev) { | |
533 | // NOTE: 'this' is now owned by '*newdev' | |
534 | return newdev; | |
535 | } | |
536 | } | |
537 | ||
538 | // Nothing special found | |
539 | ||
540 | if (sat_only) { | |
541 | close(); | |
542 | set_err(EIO, "Not a SAT device"); | |
543 | } | |
544 | return this; | |
545 | } | |
546 | ||
547 | ///////////////////////////////////////////////////////////////////////////// | |
548 | /// Implement platform interface with old functions. | |
549 | ||
550 | class netbsd_smart_interface | |
551 | : public /*implements*/ smart_interface | |
552 | { | |
553 | public: | |
554 | virtual std::string get_os_version_str(); | |
555 | ||
556 | virtual std::string get_app_examples(const char * appname); | |
557 | ||
558 | virtual bool scan_smart_devices(smart_device_list & devlist, const char * type, | |
559 | const char * pattern = 0); | |
560 | ||
561 | protected: | |
562 | virtual ata_device * get_ata_device(const char * name, const char * type); | |
563 | ||
564 | virtual scsi_device * get_scsi_device(const char * name, const char * type); | |
565 | ||
566 | virtual nvme_device * get_nvme_device(const char * name, const char * type, | |
567 | unsigned nsid); | |
568 | ||
569 | virtual smart_device * autodetect_smart_device(const char * name); | |
570 | ||
571 | virtual smart_device * get_custom_smart_device(const char * name, const char * type); | |
572 | ||
573 | virtual std::string get_valid_custom_dev_types_str(); | |
574 | ||
575 | private: | |
576 | int get_dev_names(char ***, const char *); | |
577 | ||
578 | bool get_nvme_devlist(smart_device_list & devlist, const char * type); | |
579 | }; | |
580 | ||
581 | ||
582 | ////////////////////////////////////////////////////////////////////// | |
583 | ||
584 | std::string netbsd_smart_interface::get_os_version_str() | |
585 | { | |
586 | struct utsname osname; | |
587 | uname(&osname); | |
588 | return strprintf("%s %s %s", osname.sysname, osname.release, osname.machine); | |
589 | } | |
590 | ||
591 | std::string netbsd_smart_interface::get_app_examples(const char * appname) | |
592 | { | |
593 | if (!strcmp(appname, "smartctl")) { | |
594 | char p; | |
595 | ||
596 | p = 'a' + getrawpartition(); | |
597 | return strprintf( | |
598 | "=================================================== SMARTCTL EXAMPLES =====\n\n" | |
832b75ed | 599 | #ifdef HAVE_GETOPT_LONG |
f9e10201 JD |
600 | " smartctl -a /dev/wd0%c (Prints all SMART information)\n\n" |
601 | " smartctl --smart=on --offlineauto=on --saveauto=on /dev/wd0%c\n" | |
602 | " (Enables SMART on first disk)\n\n" | |
603 | " smartctl -t long /dev/wd0%c (Executes extended disk self-test)\n\n" | |
604 | " smartctl --attributes --log=selftest --quietmode=errorsonly /dev/wd0%c\n" | |
605 | " (Prints Self-Test & Attribute errors)\n" | |
832b75ed | 606 | #else |
f9e10201 JD |
607 | " smartctl -a /dev/wd0%c (Prints all SMART information)\n" |
608 | " smartctl -s on -o on -S on /dev/wd0%c (Enables SMART on first disk)\n" | |
609 | " smartctl -t long /dev/wd0%c (Executes extended disk self-test)\n" | |
610 | " smartctl -A -l selftest -q errorsonly /dev/wd0%c" | |
611 | " (Prints Self-Test & Attribute errors)\n" | |
832b75ed | 612 | #endif |
f9e10201 JD |
613 | , p, p, p, p); |
614 | } | |
615 | return ""; | |
616 | } | |
617 | ||
618 | ata_device * netbsd_smart_interface::get_ata_device(const char * name, const char * type) | |
619 | { | |
620 | return new netbsd_ata_device(this, name, type); | |
621 | } | |
622 | ||
623 | scsi_device * netbsd_smart_interface::get_scsi_device(const char * name, const char * type) | |
624 | { | |
625 | return new netbsd_scsi_device(this, name, type); | |
832b75ed | 626 | } |
f9e10201 JD |
627 | |
628 | nvme_device * netbsd_smart_interface::get_nvme_device(const char * name, const char * type, unsigned nsid) | |
629 | { | |
630 | return new netbsd_nvme_device(this, name, type, nsid); | |
631 | } | |
632 | ||
633 | int netbsd_smart_interface::get_dev_names(char ***names, const char *prefix) | |
634 | { | |
635 | char *disknames, *p, **mp; | |
636 | int n = 0; | |
637 | int sysctl_mib[2]; | |
638 | size_t sysctl_len; | |
639 | ||
640 | *names = NULL; | |
641 | ||
642 | sysctl_mib[0] = CTL_HW; | |
643 | sysctl_mib[1] = HW_DISKNAMES; | |
644 | if (-1 == sysctl(sysctl_mib, 2, NULL, &sysctl_len, NULL, 0)) { | |
645 | pout("Failed to get value of sysctl `hw.disknames'\n"); | |
646 | return -1; | |
647 | } | |
648 | if (!(disknames = (char *)malloc(sysctl_len))) { | |
649 | pout("Out of memory constructing scan device list\n"); | |
650 | return -1; | |
651 | } | |
652 | if (-1 == sysctl(sysctl_mib, 2, disknames, &sysctl_len, NULL, 0)) { | |
653 | pout("Failed to get value of sysctl `hw.disknames'\n"); | |
654 | return -1; | |
655 | } | |
656 | if (!(mp = (char **) calloc(strlen(disknames) / 2, sizeof(char *)))) { | |
657 | pout("Out of memory constructing scan device list\n"); | |
658 | return -1; | |
659 | } | |
660 | for (p = strtok(disknames, " "); p; p = strtok(NULL, " ")) { | |
661 | if (strncmp(p, prefix, strlen(prefix))) { | |
662 | continue; | |
663 | } | |
664 | mp[n] = (char *)malloc(strlen(net_dev_raw_prefix) + strlen(p) + 2); | |
665 | if (!mp[n]) { | |
666 | pout("Out of memory constructing scan device list\n"); | |
667 | return -1; | |
668 | } | |
669 | sprintf(mp[n], "%s%s%c", net_dev_raw_prefix, p, 'a' + getrawpartition()); | |
670 | n++; | |
671 | } | |
672 | ||
673 | char ** tmp = (char **)realloc(mp, n * (sizeof(char *))); | |
674 | if (NULL == tmp) { | |
675 | pout("Out of memory constructing scan device list\n"); | |
676 | free(mp); | |
677 | return -1; | |
678 | } | |
679 | else | |
680 | mp = tmp; | |
681 | *names = mp; | |
682 | return n; | |
683 | } | |
684 | ||
685 | bool netbsd_smart_interface::get_nvme_devlist(smart_device_list & devlist, | |
686 | const char * type) | |
687 | { | |
688 | char ctrlpath[64], nspath[64]; | |
689 | struct stat sb; | |
690 | struct devlistargs laa; | |
691 | nvme_device * nvmedev; | |
692 | ||
693 | int drvfd = ::open(DRVCTLDEV, O_RDONLY, 0); | |
694 | if (drvfd < 0) { | |
695 | set_err(errno); | |
696 | return false; | |
697 | } | |
698 | ||
699 | for (int ctrl = 0;; ctrl++) { | |
700 | snprintf(ctrlpath, sizeof(ctrlpath), NVME_PREFIX"%d", ctrl); | |
701 | if (stat(ctrlpath, &sb) == -1 || !S_ISCHR(sb.st_mode)) | |
702 | break; | |
703 | ||
704 | snprintf(laa.l_devname, sizeof(laa.l_devname), "%s%d", net_dev_nvme_ctrl, | |
705 | ctrl); | |
706 | laa.l_childname = NULL; | |
707 | laa.l_children = 0; | |
708 | if (ioctl(drvfd, DRVLISTDEV, &laa) == -1) { | |
709 | if (errno == ENXIO) | |
710 | continue; | |
711 | break; | |
712 | } | |
713 | ||
714 | nvmedev = get_nvme_device(ctrlpath, type, 0); | |
715 | if (nvmedev) | |
716 | devlist.push_back(nvmedev); | |
717 | ||
718 | uint32_t n = 0; | |
719 | for (int nsid = 1; n < laa.l_children; nsid++) { | |
720 | snprintf(nspath, sizeof(nspath), NVME_PREFIX"%d"NVME_NS_PREFIX"%d", | |
721 | ctrl, nsid); | |
722 | if (stat(nspath, &sb) == -1 || !S_ISCHR(sb.st_mode)) | |
723 | break; | |
724 | int nsfd = ::open(nspath, O_RDONLY, 0); | |
725 | if (nsfd < 0) | |
726 | continue; | |
727 | ::close(nsfd); | |
728 | ||
729 | n++; | |
730 | nvmedev = get_nvme_device(nspath, type, nsid); | |
731 | if (nvmedev) | |
732 | devlist.push_back(nvmedev); | |
733 | } | |
734 | } | |
735 | ||
736 | ::close(drvfd); | |
737 | return true; | |
738 | } | |
739 | ||
740 | bool netbsd_smart_interface::scan_smart_devices(smart_device_list & devlist, | |
741 | const char * type, const char * pattern /*= 0*/) | |
742 | { | |
743 | if (pattern) { | |
744 | set_err(EINVAL, "DEVICESCAN with pattern not implemented yet"); | |
745 | return false; | |
746 | } | |
747 | ||
748 | if (type == NULL) | |
749 | type = ""; | |
750 | ||
751 | bool scan_ata = !*type || !strcmp(type, "ata"); | |
752 | bool scan_scsi = !*type || !strcmp(type, "scsi") || !strcmp(type, "sat"); | |
753 | ||
754 | #ifdef WITH_NVME_DEVICESCAN // TODO: Remove when NVMe support is no longer EXPERIMENTAL | |
755 | bool scan_nvme = !*type || !strcmp(type, "nvme"); | |
756 | #else | |
757 | bool scan_nvme = !strcmp(type, "nvme"); | |
758 | #endif | |
759 | ||
760 | // Make namelists | |
761 | char * * atanames = 0; int numata = 0; | |
762 | if (scan_ata) { | |
763 | numata = get_dev_names(&atanames, net_dev_ata_disk); | |
764 | if (numata < 0) { | |
765 | set_err(ENOMEM); | |
766 | return false; | |
767 | } | |
768 | } | |
769 | ||
770 | char * * scsinames = 0; int numscsi = 0; | |
771 | char * * scsitapenames = 0; int numscsitape = 0; | |
772 | if (scan_scsi) { | |
773 | numscsi = get_dev_names(&scsinames, net_dev_scsi_disk); | |
774 | if (numscsi < 0) { | |
775 | set_err(ENOMEM); | |
776 | return false; | |
777 | } | |
778 | numscsitape = get_dev_names(&scsitapenames, net_dev_scsi_tape); | |
779 | if (numscsitape < 0) { | |
780 | set_err(ENOMEM); | |
781 | return false; | |
782 | } | |
783 | } | |
784 | ||
785 | // Add to devlist | |
786 | int i; | |
787 | for (i = 0; i < numata; i++) { | |
788 | ata_device * atadev = get_ata_device(atanames[i], type); | |
789 | if (atadev) | |
790 | devlist.push_back(atadev); | |
791 | free(atanames[i]); | |
792 | } | |
793 | if(numata) free(atanames); | |
794 | ||
795 | for (i = 0; i < numscsi; i++) { | |
796 | scsi_device * scsidev = new netbsd_scsi_device(this, scsinames[i], type, true /*scanning*/); | |
797 | if (scsidev) | |
798 | devlist.push_back(scsidev); | |
799 | free(scsinames[i]); | |
800 | } | |
801 | if(numscsi) free(scsinames); | |
802 | ||
803 | for (i = 0; i < numscsitape; i++) { | |
804 | scsi_device * scsidev = get_scsi_device(scsitapenames[i], type); | |
805 | if (scsidev) | |
806 | devlist.push_back(scsidev); | |
807 | free(scsitapenames[i]); | |
808 | } | |
809 | if(numscsitape) free(scsitapenames); | |
810 | ||
811 | if (scan_nvme) | |
812 | get_nvme_devlist(devlist, type); | |
813 | ||
814 | return true; | |
815 | } | |
816 | ||
817 | smart_device * netbsd_smart_interface::autodetect_smart_device(const char * name) | |
818 | { | |
819 | const char * test_name = name; | |
820 | ||
821 | // if dev_name null, or string length zero | |
822 | if (!name || !*name) | |
823 | return 0; | |
824 | ||
825 | // Dereference symlinks | |
826 | struct stat st; | |
827 | std::string pathbuf; | |
828 | if (!lstat(name, &st) && S_ISLNK(st.st_mode)) { | |
829 | char * p = realpath(name, (char *)0); | |
830 | if (p) { | |
831 | pathbuf = p; | |
832 | free(p); | |
833 | test_name = pathbuf.c_str(); | |
834 | } | |
835 | } | |
836 | ||
837 | if (str_starts_with(test_name, net_dev_raw_prefix)) { | |
838 | test_name += strlen(net_dev_raw_prefix); | |
839 | if (!strncmp(net_dev_ata_disk, test_name, strlen(net_dev_ata_disk))) | |
840 | return get_ata_device(test_name, "ata"); | |
841 | if (!strncmp(net_dev_scsi_disk, test_name, strlen(net_dev_scsi_disk))) { | |
842 | // XXX Try to detect possible USB->(S)ATA bridge | |
843 | // XXX get USB vendor ID, product ID and version from sd(4)/umass(4). | |
844 | // XXX check sat device via get_usb_dev_type_by_id(). | |
845 | ||
846 | // No USB bridge found, assume regular SCSI device | |
847 | return get_scsi_device(test_name, "scsi"); | |
848 | } | |
849 | if (!strncmp(net_dev_scsi_tape, test_name, strlen(net_dev_scsi_tape))) | |
850 | return get_scsi_device(test_name, "scsi"); | |
851 | } else if (str_starts_with(test_name, net_dev_prefix)) { | |
852 | if (!strncmp(NVME_PREFIX, test_name, strlen(NVME_PREFIX))) | |
853 | return get_nvme_device(test_name, "nvme", 0 /* use default nsid */); | |
854 | } | |
855 | ||
856 | // device type unknown | |
857 | return 0; | |
858 | } | |
859 | ||
860 | smart_device * netbsd_smart_interface::get_custom_smart_device(const char * name, const char * type) | |
861 | { | |
862 | ARGUSED(name); | |
863 | ARGUSED(type); | |
864 | return 0; | |
865 | } | |
866 | ||
867 | std::string netbsd_smart_interface::get_valid_custom_dev_types_str() | |
868 | { | |
869 | return ""; | |
870 | } | |
871 | ||
872 | } // namespace | |
873 | ||
874 | ///////////////////////////////////////////////////////////////////////////// | |
875 | /// Initialize platform interface and register with smi() | |
876 | ||
877 | void smart_interface::init() | |
878 | { | |
879 | static os_netbsd::netbsd_smart_interface the_interface; | |
880 | smart_interface::set(&the_interface); | |
881 | } | |
882 | ||
883 | /* vim: set ts=2 sw=2 et ff=unix : */ |