[mirror_smartmontools-debian.git] / os_netbsd.cpp

/*
 * os_netbsd.cpp
 *
 * Home page of code is: http://smartmontools.sourceforge.net
 *
 * 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 3806 2013-03-29 20:17:03Z chrfranke $"
  OS_NETBSD_H_CVSID;

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

enum warnings {
  BAD_SMART, NO_3WARE, NO_ARECA, 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++;
  }

  mp = (char **)realloc(mp, n * (sizeof(char *)));
  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;
  }

  if ((retval = ioctl(fd, ATAIOCCOMMAND, &req))) {
    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 GG	3	*
	4	* Home page of code is: http://smartmontools.sourceforge.net
	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
ee38a438	29	const char * os_netbsd_cpp_cvsid = "$Id: os_netbsd.cpp 3806 2013-03-29 20:17:03Z chrfranke $"
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 {
2127e193	36	BAD_SMART, NO_3WARE, NO_ARECA, 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
4d59bff9	135	mp = (char *)realloc(mp, n (sizeof(char *)));
832b75ed GG	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
832b75ed GG	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));
34ad0c5f GG	180	req.timeout = 1000;
34ad0c5f GG	181
832b75ed GG	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;
4d59bff9	189	req.databuf = (char *)inbuf;
832b75ed GG	190	req.datalen = sizeof(inbuf);
832b75ed GG	191	req.cylinder = WDSMART_CYL;
832b75ed GG	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;
4d59bff9	198	req.databuf = (char *)inbuf;
832b75ed GG	199	req.datalen = sizeof(inbuf);
832b75ed GG	200	req.cylinder = WDSMART_CYL;
832b75ed GG	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;
4d59bff9	207	req.databuf = (char *)inbuf;
832b75ed GG	208	req.datalen = sizeof(inbuf);
	209	req.cylinder = WDSMART_CYL;
	210	req.sec_num = select;
	211	req.sec_count = 1;
832b75ed GG	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;
4d59bff9	219	req.databuf = (char *)inbuf;
832b75ed GG	220	req.datalen = sizeof(inbuf);
	221	req.cylinder = WDSMART_CYL;
	222	req.sec_num = select;
	223	req.sec_count = 1;
832b75ed GG	224	break;
	225	case IDENTIFY:
	226	req.flags = ATACMD_READ;
	227	req.command = WDCC_IDENTIFY;
4d59bff9	228	req.databuf = (char *)inbuf;
832b75ed	229	req.datalen = sizeof(inbuf);
832b75ed GG	230	copydata = 1;
	231	break;
	232	case PIDENTIFY:
	233	req.flags = ATACMD_READ;
	234	req.command = ATAPI_IDENTIFY_DEVICE;
4d59bff9	235	req.databuf = (char *)inbuf;
832b75ed	236	req.datalen = sizeof(inbuf);
832b75ed GG	237	copydata = 1;
	238	break;
	239	case ENABLE:
34ad0c5f	240	req.flags = ATACMD_READREG;
832b75ed GG	241	req.features = WDSM_ENABLE_OPS;
	242	req.command = WDCC_SMART;
	243	req.cylinder = WDSMART_CYL;
832b75ed GG	244	break;
832b75ed GG	245	case DISABLE:
34ad0c5f	246	req.flags = ATACMD_READREG;
832b75ed GG	247	req.features = WDSM_DISABLE_OPS;
	248	req.command = WDCC_SMART;
	249	req.cylinder = WDSMART_CYL;
832b75ed GG	250	break;
	251	case AUTO_OFFLINE:
	252	/* NOTE: According to ATAPI 4 and UP, this command is obsolete */
34ad0c5f	253	req.flags = ATACMD_READREG;
832b75ed GG	254	req.features = ATA_SMART_AUTO_OFFLINE; /* XXX missing from wdcreg.h */
832b75ed GG	255	req.command = WDCC_SMART;
832b75ed	256	req.cylinder = WDSMART_CYL;
34ad0c5f	257	req.sec_count = select;
832b75ed GG	258	break;
832b75ed GG	259	case AUTOSAVE:
34ad0c5f	260	req.flags = ATACMD_READREG;
832b75ed GG	261	req.features = ATA_SMART_AUTOSAVE; /* XXX missing from wdcreg.h */
	262	req.command = WDCC_SMART;
	263	req.cylinder = WDSMART_CYL;
34ad0c5f	264	req.sec_count = select;
832b75ed GG	265	break;
	266	case IMMEDIATE_OFFLINE:
	267	/* NOTE: According to ATAPI 4 and UP, this command is obsolete */
34ad0c5f	268	req.flags = ATACMD_READREG;
832b75ed GG	269	req.features = ATA_SMART_IMMEDIATE_OFFLINE; /* XXX missing from wdcreg.h */
832b75ed GG	270	req.command = WDCC_SMART;
832b75ed GG	271	req.cylinder = WDSMART_CYL;
	272	req.sec_num = select;
	273	req.sec_count = 1;
832b75ed	274	break;
34ad0c5f GG	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;
832b75ed GG	278	req.features = WDSM_STATUS;
	279	req.command = WDCC_SMART;
	280	req.cylinder = WDSMART_CYL;
832b75ed GG	281	break;
	282	case CHECK_POWER_MODE:
	283	req.flags = ATACMD_READREG;
	284	req.command = WDCC_CHECK_PWR;
832b75ed GG	285	break;
	286	default:
	287	pout("Unrecognized command %d in ata_command_interface()\n", command);
	288	errno = ENOSYS;
	289	return -1;
	290	}
	291
34ad0c5f	292	if (command == STATUS_CHECK \|\| command == AUTOSAVE \|\| command == AUTO_OFFLINE) {
832b75ed GG	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	}
34ad0c5f GG	301	if (req.retsts != ATACMD_OK) {
	302	return -1;
	303	}
832b75ed GG	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	}
34ad0c5f	322
832b75ed GG	323	if ((retval = ioctl(fd, ATAIOCCOMMAND, &req))) {
	324	perror("Failed command");
	325	return -1;
	326	}
34ad0c5f GG	327	if (req.retsts != ATACMD_OK) {
	328	return -1;
	329	}
	330
832b75ed GG	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
832b75ed GG	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;
4d59bff9	368	sc.databuf = (char *)iop->dxferp;
832b75ed GG	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 =
4d59bff9	373	(iop->dxfer_dir == DXFER_NONE ? SCCMD_READ :
832b75ed GG	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	}
34ad0c5f GG	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	}
832b75ed GG	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	}