[mirror_smartmontools-debian.git] / os_netbsd.cpp

/*
 * os_netbsd.cpp
 *
 * Home page of code is: http://www.smartmontools.org
 *
 * Copyright (C) 2003-8 Sergey Svishchev <smartmontools-support@lists.sourceforge.net>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2, or (at your option)
 * any later version.
 *
 * You should have received a copy of the GNU General Public License
 * (for example COPYING); if not, write to the Free Software Foundation,
 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 */

#include "config.h"
#include "int64.h"
#include "atacmds.h"
#include "scsicmds.h"
#include "utility.h"
#include "os_netbsd.h"

#include <errno.h>
#include <unistd.h>

const char * os_netbsd_cpp_cvsid = "$Id: os_netbsd.cpp 4205 2016-01-22 15:22:53Z samm2 $"
  OS_NETBSD_H_CVSID;

/* global variable holding byte count of allocated memory */
extern long long bytes;

enum warnings {
  BAD_SMART, MAX_MSG
};

/* Utility function for printing warnings */
void
printwarning(int msgNo, const char *extra)
{
  static int printed[] = {0, 0};
  static const char *message[] = {
    "Error: SMART Status command failed.\nPlease get assistance from \n" PACKAGE_HOMEPAGE "\nRegister values returned from SMART Status command are:\n",
    PACKAGE_STRING " does not currently support twe(4) and twa(4) devices (3ware Escalade, Apache)\n",
  };

  if (msgNo >= 0 && msgNo <= MAX_MSG) {
    if (!printed[msgNo]) {
      printed[msgNo] = 1;
      pout("%s", message[msgNo]);
      if (extra)
	pout("%s", extra);
    }
  }
  return;
}

static const char *net_dev_prefix = "/dev/";
static const char *net_dev_ata_disk = "wd";
static const char *net_dev_scsi_disk = "sd";
static const char *net_dev_scsi_tape = "enrst";

/* Guess device type (ATA or SCSI) based on device name */
int
guess_device_type(const char *dev_name)
{
  int len;
  int dev_prefix_len = strlen(net_dev_prefix);

  if (!dev_name || !(len = strlen(dev_name)))
    return CONTROLLER_UNKNOWN;

  if (!strncmp(net_dev_prefix, dev_name, dev_prefix_len)) {
    if (len <= dev_prefix_len)
      return CONTROLLER_UNKNOWN;
    else
      dev_name += dev_prefix_len;
  }
  if (!strncmp(net_dev_ata_disk, dev_name, strlen(net_dev_ata_disk)))
    return CONTROLLER_ATA;

  if (!strncmp(net_dev_scsi_disk, dev_name, strlen(net_dev_scsi_disk)))
    return CONTROLLER_SCSI;

  if (!strncmp(net_dev_scsi_tape, dev_name, strlen(net_dev_scsi_tape)))
    return CONTROLLER_SCSI;

  return CONTROLLER_UNKNOWN;
}

int
get_dev_names(char ***names, const char *prefix)
{
  char *disknames, *p, **mp;
  int n = 0;
  int sysctl_mib[2];
  size_t sysctl_len;

  *names = NULL;

  sysctl_mib[0] = CTL_HW;
  sysctl_mib[1] = HW_DISKNAMES;
  if (-1 == sysctl(sysctl_mib, 2, NULL, &sysctl_len, NULL, 0)) {
    pout("Failed to get value of sysctl `hw.disknames'\n");
    return -1;
  }
  if (!(disknames = (char *)malloc(sysctl_len))) {
    pout("Out of memory constructing scan device list\n");
    return -1;
  }
  if (-1 == sysctl(sysctl_mib, 2, disknames, &sysctl_len, NULL, 0)) {
    pout("Failed to get value of sysctl `hw.disknames'\n");
    return -1;
  }
  if (!(mp = (char **) calloc(strlen(disknames) / 2, sizeof(char *)))) {
    pout("Out of memory constructing scan device list\n");
    return -1;
  }
  for (p = strtok(disknames, " "); p; p = strtok(NULL, " ")) {
    if (strncmp(p, prefix, strlen(prefix))) {
      continue;
    }
    mp[n] = (char *)malloc(strlen(net_dev_prefix) + strlen(p) + 2);
    if (!mp[n]) {
      pout("Out of memory constructing scan device list\n");
      return -1;
    }
    sprintf(mp[n], "%s%s%c", net_dev_prefix, p, 'a' + getrawpartition());
    bytes += strlen(mp[n]) + 1;
    n++;
  }

  void * tmp = (char **)realloc(mp, n * (sizeof(char *)));
  if (NULL == tmp) {
    pout("Out of memory constructing scan device list\n");
    free(mp);
    return -1;
  }
  else
    mp = tmp;
  bytes += (n) * (sizeof(char *));
  *names = mp;
  return n;
}

int
make_device_names(char ***devlist, const char *name)
{
  if (!strcmp(name, "SCSI"))
    return get_dev_names(devlist, net_dev_scsi_disk);
  else if (!strcmp(name, "ATA"))
    return get_dev_names(devlist, net_dev_ata_disk);
  else
    return 0;
}

int
deviceopen(const char *pathname, char *type)
{
  if (!strcmp(type, "SCSI")) {
    int fd = open(pathname, O_RDWR | O_NONBLOCK);
    if (fd < 0 && errno == EROFS)
      fd = open(pathname, O_RDONLY | O_NONBLOCK);
    return fd;
  } else if (!strcmp(type, "ATA"))
    return open(pathname, O_RDWR | O_NONBLOCK);
  else
    return -1;
}

int
deviceclose(int fd)
{
  return close(fd);
}

int
ata_command_interface(int fd, smart_command_set command, int select, char *data)
{
  struct atareq req;
  unsigned char inbuf[DEV_BSIZE];
  int retval, copydata = 0;

  memset(&req, 0, sizeof(req));
  req.timeout = 1000;

  memset(&inbuf, 0, sizeof(inbuf));

  switch (command) {
  case READ_VALUES:
    req.flags = ATACMD_READ;
    req.features = WDSM_RD_DATA;
    req.command = WDCC_SMART;
    req.databuf = (char *)inbuf;
    req.datalen = sizeof(inbuf);
    req.cylinder = WDSMART_CYL;
    copydata = 1;
    break;
  case READ_THRESHOLDS:
    req.flags = ATACMD_READ;
    req.features = WDSM_RD_THRESHOLDS;
    req.command = WDCC_SMART;
    req.databuf = (char *)inbuf;
    req.datalen = sizeof(inbuf);
    req.cylinder = WDSMART_CYL;
    copydata = 1;
    break;
  case READ_LOG:
    req.flags = ATACMD_READ;
    req.features = ATA_SMART_READ_LOG_SECTOR;	/* XXX missing from wdcreg.h */
    req.command = WDCC_SMART;
    req.databuf = (char *)inbuf;
    req.datalen = sizeof(inbuf);
    req.cylinder = WDSMART_CYL;
    req.sec_num = select;
    req.sec_count = 1;
    copydata = 1;
    break;
  case WRITE_LOG:
    memcpy(inbuf, data, 512);
    req.flags = ATACMD_WRITE;
    req.features = ATA_SMART_WRITE_LOG_SECTOR;	/* XXX missing from wdcreg.h */
    req.command = WDCC_SMART;
    req.databuf = (char *)inbuf;
    req.datalen = sizeof(inbuf);
    req.cylinder = WDSMART_CYL;
    req.sec_num = select;
    req.sec_count = 1;
    break;
  case IDENTIFY:
    req.flags = ATACMD_READ;
    req.command = WDCC_IDENTIFY;
    req.databuf = (char *)inbuf;
    req.datalen = sizeof(inbuf);
    copydata = 1;
    break;
  case PIDENTIFY:
    req.flags = ATACMD_READ;
    req.command = ATAPI_IDENTIFY_DEVICE;
    req.databuf = (char *)inbuf;
    req.datalen = sizeof(inbuf);
    copydata = 1;
    break;
  case ENABLE:
    req.flags = ATACMD_READREG;
    req.features = WDSM_ENABLE_OPS;
    req.command = WDCC_SMART;
    req.cylinder = WDSMART_CYL;
    break;
  case DISABLE:
    req.flags = ATACMD_READREG;
    req.features = WDSM_DISABLE_OPS;
    req.command = WDCC_SMART;
    req.cylinder = WDSMART_CYL;
    break;
  case AUTO_OFFLINE:
    /* NOTE: According to ATAPI 4 and UP, this command is obsolete */
    req.flags = ATACMD_READREG;
    req.features = ATA_SMART_AUTO_OFFLINE;	/* XXX missing from wdcreg.h */
    req.command = WDCC_SMART;
    req.cylinder = WDSMART_CYL;
    req.sec_count = select;
    break;
  case AUTOSAVE:
    req.flags = ATACMD_READREG;
    req.features = ATA_SMART_AUTOSAVE;	/* XXX missing from wdcreg.h */
    req.command = WDCC_SMART;
    req.cylinder = WDSMART_CYL;
    req.sec_count = select;
    break;
  case IMMEDIATE_OFFLINE:
    /* NOTE: According to ATAPI 4 and UP, this command is obsolete */
    req.flags = ATACMD_READREG;
    req.features = ATA_SMART_IMMEDIATE_OFFLINE;	/* XXX missing from wdcreg.h */
    req.command = WDCC_SMART;
    req.cylinder = WDSMART_CYL;
    req.sec_num = select;
    req.sec_count = 1;
    break;
  case STATUS:		/* should return 0 if SMART is enabled at all */
  case STATUS_CHECK:	/* should return 0 if disk's health is ok */
    req.flags = ATACMD_READREG;
    req.features = WDSM_STATUS;
    req.command = WDCC_SMART;
    req.cylinder = WDSMART_CYL;
    break;
  case CHECK_POWER_MODE:
    req.flags = ATACMD_READREG;
    req.command = WDCC_CHECK_PWR;
    break;
  default:
    pout("Unrecognized command %d in ata_command_interface()\n", command);
    errno = ENOSYS;
    return -1;
  }

  if (command == STATUS_CHECK || command == AUTOSAVE || command == AUTO_OFFLINE) {
    char buf[512];

    unsigned const short normal = WDSMART_CYL, failed = 0x2cf4;

    if ((retval = ioctl(fd, ATAIOCCOMMAND, &req))) {
      perror("Failed command");
      return -1;
    }
    if (req.retsts != ATACMD_OK) {
      return -1;
    }
    /* Cyl low and Cyl high unchanged means "Good SMART status" */
    if (req.cylinder == normal)
      return 0;

    /* These values mean "Bad SMART status" */
    if (req.cylinder == failed)
      return 1;

    /* We haven't gotten output that makes sense; 
     * print out some debugging info */
    snprintf(buf, sizeof(buf),
      "CMD=0x%02x\nFR =0x%02x\nNS =0x%02x\nSC =0x%02x\nCL =0x%02x\nCH =0x%02x\nRETURN =0x%04x\n",
      (int) req.command, (int) req.features, (int) req.sec_count, (int) req.sec_num,
      (int) (le16toh(req.cylinder) & 0xff), (int) ((le16toh(req.cylinder) >> 8) & 0xff),
      (int) req.error);
    printwarning(BAD_SMART, buf);
    return 0;
  }

  retval = ioctl(fd, ATAIOCCOMMAND, &req);
  if (retval < 0) {
    perror("Failed command");
    return -1;
  }
  if (req.retsts != ATACMD_OK) {
    return -1;
  }

  if (command == CHECK_POWER_MODE)
    data[0] = req.sec_count;

  if (copydata)
    memcpy(data, inbuf, 512);

  return 0;
}

int
do_scsi_cmnd_io(int fd, struct scsi_cmnd_io * iop, int report)
{
  struct scsireq sc;

  if (report > 0) {
    size_t k;

    const unsigned char *ucp = iop->cmnd;
    const char *np;

    np = scsi_get_opcode_name(ucp[0]);
    pout(" [%s: ", np ? np : "<unknown opcode>");
    for (k = 0; k < iop->cmnd_len; ++k)
      pout("%02x ", ucp[k]);
    if ((report > 1) &&
      (DXFER_TO_DEVICE == iop->dxfer_dir) && (iop->dxferp)) {
      int trunc = (iop->dxfer_len > 256) ? 1 : 0;

      pout("]\n  Outgoing data, len=%d%s:\n", (int) iop->dxfer_len,
	(trunc ? " [only first 256 bytes shown]" : ""));
      dStrHex(iop->dxferp, (trunc ? 256 : iop->dxfer_len), 1);
    } else
      pout("]");
  }
  memset(&sc, 0, sizeof(sc));
  memcpy(sc.cmd, iop->cmnd, iop->cmnd_len);
  sc.cmdlen = iop->cmnd_len;
  sc.databuf = (char *)iop->dxferp;
  sc.datalen = iop->dxfer_len;
  sc.senselen = iop->max_sense_len;
  sc.timeout = iop->timeout == 0 ? 60000 : (1000 * iop->timeout);
  sc.flags =
    (iop->dxfer_dir == DXFER_NONE ? SCCMD_READ :
    (iop->dxfer_dir == DXFER_FROM_DEVICE ? SCCMD_READ : SCCMD_WRITE));

  if (ioctl(fd, SCIOCCOMMAND, &sc) < 0) {
    warn("error sending SCSI ccb");
    return -1;
  }
  iop->resid = sc.datalen - sc.datalen_used;
  iop->scsi_status = sc.status;
  if (iop->sensep) {
    memcpy(iop->sensep, sc.sense, sc.senselen_used);
    iop->resp_sense_len = sc.senselen_used;
  }
  if (report > 0) {
    int trunc;

    pout("  status=0\n");
    trunc = (iop->dxfer_len > 256) ? 1 : 0;

    pout("  Incoming data, len=%d%s:\n", (int) iop->dxfer_len,
      (trunc ? " [only first 256 bytes shown]" : ""));
    dStrHex(iop->dxferp, (trunc ? 256 : iop->dxfer_len), 1);
  }
  switch (sc.retsts) {
    case SCCMD_OK:
      return 0;
    case SCCMD_TIMEOUT:
      return -ETIMEDOUT;
    case SCCMD_BUSY:
      return -EBUSY;
    default:
      return -EIO;
  }
}

/* print examples for smartctl */
void 
print_smartctl_examples()
{
  char p;

  p = 'a' + getrawpartition();
  printf("=================================================== SMARTCTL EXAMPLES =====\n\n");
#ifdef HAVE_GETOPT_LONG
  printf(
    "  smartctl -a /dev/wd0%c                      (Prints all SMART information)\n\n"
    "  smartctl --smart=on --offlineauto=on --saveauto=on /dev/wd0%c\n"
    "                                              (Enables SMART on first disk)\n\n"
    "  smartctl -t long /dev/wd0%c             (Executes extended disk self-test)\n\n"
    "  smartctl --attributes --log=selftest --quietmode=errorsonly /dev/wd0%c\n"
    "                                      (Prints Self-Test & Attribute errors)\n",
    p, p, p, p
    );
#else
  printf(
    "  smartctl -a /dev/wd0%c                     (Prints all SMART information)\n"
    "  smartctl -s on -o on -S on /dev/wd0%c        (Enables SMART on first disk)\n"
    "  smartctl -t long /dev/wd0%c            (Executes extended disk self-test)\n"
    "  smartctl -A -l selftest -q errorsonly /dev/wd0%c"
    "                                      (Prints Self-Test & Attribute errors)\n",
    p, p, p, p
    );
#endif
  return;
}
Commit	Line	Data
832b75ed	1	/*
4d59bff9	2	* os_netbsd.cpp
832b75ed	3	*
6b80b4d2	4	* Home page of code is: http://www.smartmontools.org
832b75ed	5	*
34ad0c5f	6	* Copyright (C) 2003-8 Sergey Svishchev <smartmontools-support@lists.sourceforge.net>
832b75ed GG	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
ee38a438 GI	14	* (for example COPYING); if not, write to the Free Software Foundation,
ee38a438 GI	15	* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
832b75ed GG	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"
cfbba5b9 GI	25
cfbba5b9 GI	26	#include <errno.h>
832b75ed GG	27	#include <unistd.h>
832b75ed GG	28
6b80b4d2	29	const char * os_netbsd_cpp_cvsid = "$Id: os_netbsd.cpp 4205 2016-01-22 15:22:53Z samm2 $"
cfbba5b9	30	OS_NETBSD_H_CVSID;
832b75ed GG	31
	32	/* global variable holding byte count of allocated memory */
	33	extern long long bytes;
	34
	35	enum warnings {
6b80b4d2	36	BAD_SMART, MAX_MSG
832b75ed GG	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",
34ad0c5f	46	PACKAGE_STRING " does not currently support twe(4) and twa(4) devices (3ware Escalade, Apache)\n",
832b75ed GG	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
34ad0c5f	65	/* Guess device type (ATA or SCSI) based on device name */
832b75ed GG	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	}
4d59bff9	109	if (!(disknames = (char *)malloc(sysctl_len))) {
832b75ed GG	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	}
4d59bff9	125	mp[n] = (char *)malloc(strlen(net_dev_prefix) + strlen(p) + 2);
832b75ed GG	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
6b80b4d2 JD	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;
832b75ed GG	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
832b75ed GG	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));
34ad0c5f GG	187	req.timeout = 1000;
34ad0c5f GG	188
832b75ed GG	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;
4d59bff9	196	req.databuf = (char *)inbuf;
832b75ed GG	197	req.datalen = sizeof(inbuf);
832b75ed GG	198	req.cylinder = WDSMART_CYL;
832b75ed GG	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;
4d59bff9	205	req.databuf = (char *)inbuf;
832b75ed GG	206	req.datalen = sizeof(inbuf);
832b75ed GG	207	req.cylinder = WDSMART_CYL;
832b75ed GG	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;
4d59bff9	214	req.databuf = (char *)inbuf;
832b75ed GG	215	req.datalen = sizeof(inbuf);
	216	req.cylinder = WDSMART_CYL;
	217	req.sec_num = select;
	218	req.sec_count = 1;
832b75ed GG	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;
4d59bff9	226	req.databuf = (char *)inbuf;
832b75ed GG	227	req.datalen = sizeof(inbuf);
	228	req.cylinder = WDSMART_CYL;
	229	req.sec_num = select;
	230	req.sec_count = 1;
832b75ed GG	231	break;
	232	case IDENTIFY:
	233	req.flags = ATACMD_READ;
	234	req.command = WDCC_IDENTIFY;
4d59bff9	235	req.databuf = (char *)inbuf;
832b75ed	236	req.datalen = sizeof(inbuf);
832b75ed GG	237	copydata = 1;
	238	break;
	239	case PIDENTIFY:
	240	req.flags = ATACMD_READ;
	241	req.command = ATAPI_IDENTIFY_DEVICE;
4d59bff9	242	req.databuf = (char *)inbuf;
832b75ed	243	req.datalen = sizeof(inbuf);
832b75ed GG	244	copydata = 1;
	245	break;
	246	case ENABLE:
34ad0c5f	247	req.flags = ATACMD_READREG;
832b75ed GG	248	req.features = WDSM_ENABLE_OPS;
	249	req.command = WDCC_SMART;
	250	req.cylinder = WDSMART_CYL;
832b75ed GG	251	break;
832b75ed GG	252	case DISABLE:
34ad0c5f	253	req.flags = ATACMD_READREG;
832b75ed GG	254	req.features = WDSM_DISABLE_OPS;
	255	req.command = WDCC_SMART;
	256	req.cylinder = WDSMART_CYL;
832b75ed GG	257	break;
	258	case AUTO_OFFLINE:
	259	/* NOTE: According to ATAPI 4 and UP, this command is obsolete */
34ad0c5f	260	req.flags = ATACMD_READREG;
832b75ed GG	261	req.features = ATA_SMART_AUTO_OFFLINE; /* XXX missing from wdcreg.h */
832b75ed GG	262	req.command = WDCC_SMART;
832b75ed	263	req.cylinder = WDSMART_CYL;
34ad0c5f	264	req.sec_count = select;
832b75ed GG	265	break;
832b75ed GG	266	case AUTOSAVE:
34ad0c5f	267	req.flags = ATACMD_READREG;
832b75ed GG	268	req.features = ATA_SMART_AUTOSAVE; /* XXX missing from wdcreg.h */
	269	req.command = WDCC_SMART;
	270	req.cylinder = WDSMART_CYL;
34ad0c5f	271	req.sec_count = select;
832b75ed GG	272	break;
	273	case IMMEDIATE_OFFLINE:
	274	/* NOTE: According to ATAPI 4 and UP, this command is obsolete */
34ad0c5f	275	req.flags = ATACMD_READREG;
832b75ed GG	276	req.features = ATA_SMART_IMMEDIATE_OFFLINE; /* XXX missing from wdcreg.h */
832b75ed GG	277	req.command = WDCC_SMART;
832b75ed GG	278	req.cylinder = WDSMART_CYL;
	279	req.sec_num = select;
	280	req.sec_count = 1;
832b75ed	281	break;
34ad0c5f GG	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;
832b75ed GG	285	req.features = WDSM_STATUS;
	286	req.command = WDCC_SMART;
	287	req.cylinder = WDSMART_CYL;
832b75ed GG	288	break;
	289	case CHECK_POWER_MODE:
	290	req.flags = ATACMD_READREG;
	291	req.command = WDCC_CHECK_PWR;
832b75ed GG	292	break;
	293	default:
	294	pout("Unrecognized command %d in ata_command_interface()\n", command);
	295	errno = ENOSYS;
	296	return -1;
	297	}
	298
34ad0c5f	299	if (command == STATUS_CHECK \|\| command == AUTOSAVE \|\| command == AUTO_OFFLINE) {
832b75ed GG	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	}
34ad0c5f GG	308	if (req.retsts != ATACMD_OK) {
	309	return -1;
	310	}
832b75ed GG	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	}
34ad0c5f	329
6b80b4d2 JD	330	retval = ioctl(fd, ATAIOCCOMMAND, &req);
6b80b4d2 JD	331	if (retval < 0) {
832b75ed GG	332	perror("Failed command");
	333	return -1;
	334	}
34ad0c5f GG	335	if (req.retsts != ATACMD_OK) {
	336	return -1;
	337	}
	338
832b75ed GG	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
832b75ed GG	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;
4d59bff9	376	sc.databuf = (char *)iop->dxferp;
832b75ed GG	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 =
4d59bff9	381	(iop->dxfer_dir == DXFER_NONE ? SCCMD_READ :
832b75ed GG	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	}
34ad0c5f GG	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	}
832b75ed GG	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	}