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os_netbsd.cpp 12.50 KiB
/*
* os_netbsd.c
*
* Home page of code is: http://smartmontools.sourceforge.net
*
* Copyright (C) 2003-4 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., 675 Mass Ave, Cambridge, MA 02139, USA.
*
*/
#include "config.h"
#include "atacmds.h"
#include "scsicmds.h"
#include "utility.h"
#include "os_netbsd.h"
const char *os_XXXX_c_cvsid = "$Id: os_netbsd.cpp,v 1.9 2004/08/18 19:27:36 likewise Exp $" \
ATACMDS_H_CVSID OS_NETBSD_H_CVSID SCSICMDS_H_CVSID UTILITY_H_CVSID;
/* global variable holding byte count of allocated memory */
extern long long bytes;
enum warnings {
BAD_SMART, NO_3WARE, 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 currentlly support twe(4) devices (3ware Escalade)\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 = 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] = 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 = 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
marvell_command_interface(int fd, smart_command_set command, int select, char *data)
{ return -1; }
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));
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 = (caddr_t) inbuf;
req.datalen = sizeof(inbuf);
req.cylinder = htole16(WDSMART_CYL);
req.timeout = 1000;
copydata = 1;
break;
case READ_THRESHOLDS:
req.flags = ATACMD_READ;
req.features = WDSM_RD_THRESHOLDS;
req.command = WDCC_SMART;
req.databuf = (caddr_t) inbuf;
req.datalen = sizeof(inbuf);
req.cylinder = htole16(WDSMART_CYL);
req.timeout = 1000;
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 = (caddr_t) inbuf;
req.datalen = sizeof(inbuf);
req.cylinder = htole16(WDSMART_CYL);
req.sec_num = select; req.sec_count = 1;
req.timeout = 1000;
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 = (caddr_t) inbuf;
req.datalen = sizeof(inbuf);
req.cylinder = htole16(WDSMART_CYL);
req.sec_num = select;
req.sec_count = 1;
req.timeout = 1000;
break;
case IDENTIFY:
req.flags = ATACMD_READ;
req.command = WDCC_IDENTIFY;
req.databuf = (caddr_t) inbuf;
req.datalen = sizeof(inbuf);
req.timeout = 1000;
copydata = 1;
break;
case PIDENTIFY:
req.flags = ATACMD_READ;
req.command = ATAPI_IDENTIFY_DEVICE;
req.databuf = (caddr_t) inbuf;
req.datalen = sizeof(inbuf);
req.timeout = 1000;
copydata = 1;
break;
case ENABLE:
req.flags = ATACMD_READ;
req.features = WDSM_ENABLE_OPS;
req.command = WDCC_SMART;
req.cylinder = htole16(WDSMART_CYL);
req.timeout = 1000;
break;
case DISABLE:
req.flags = ATACMD_READ;
req.features = WDSM_DISABLE_OPS;
req.command = WDCC_SMART;
req.cylinder = htole16(WDSMART_CYL);
req.timeout = 1000;
break;
case AUTO_OFFLINE:
/* NOTE: According to ATAPI 4 and UP, this command is obsolete */
req.flags = ATACMD_READ;
req.features = ATA_SMART_AUTO_OFFLINE; /* XXX missing from wdcreg.h */
req.command = WDCC_SMART;
req.databuf = (caddr_t) inbuf;
req.datalen = sizeof(inbuf);
req.cylinder = htole16(WDSMART_CYL);
req.sec_num = select;
req.sec_count = 1;
req.timeout = 1000;
break;
case AUTOSAVE:
req.flags = ATACMD_READ;
req.features = ATA_SMART_AUTOSAVE; /* XXX missing from wdcreg.h */
req.command = WDCC_SMART;
req.cylinder = htole16(WDSMART_CYL);
req.sec_count = 0xf1;
/* to enable autosave */
req.timeout = 1000;
break;
case IMMEDIATE_OFFLINE:
/* NOTE: According to ATAPI 4 and UP, this command is obsolete */
req.flags = ATACMD_READ; req.features = ATA_SMART_IMMEDIATE_OFFLINE; /* XXX missing from wdcreg.h */
req.command = WDCC_SMART;
req.databuf = (caddr_t) inbuf;
req.datalen = sizeof(inbuf);
req.cylinder = htole16(WDSMART_CYL);
req.sec_num = select;
req.sec_count = 1;
req.timeout = 1000;
break;
case STATUS_CHECK:
/* same command, no HDIO in NetBSD */
case STATUS:
req.flags = ATACMD_READ;
req.features = WDSM_STATUS;
req.command = WDCC_SMART;
req.cylinder = htole16(WDSMART_CYL);
req.timeout = 1000;
break;
case CHECK_POWER_MODE:
req.flags = ATACMD_READREG;
req.command = WDCC_CHECK_PWR;
req.timeout = 1000;
break;
default:
pout("Unrecognized command %d in ata_command_interface()\n", command);
errno = ENOSYS;
return -1;
}
if (command == STATUS_CHECK) {
char buf[512];
unsigned const short normal = WDSMART_CYL, failed = 0x2cf4;
if ((retval = ioctl(fd, ATAIOCCOMMAND, &req))) {
perror("Failed command");
return -1;
}
/* Cyl low and Cyl high unchanged means "Good SMART status" */
if (le16toh(req.cylinder) == normal)
return 0;
/* These values mean "Bad SMART status" */
if (le16toh(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 (command == CHECK_POWER_MODE)
data[0] = req.sec_count;
if (copydata)
memcpy(data, inbuf, 512);
return 0;
}
intescalade_command_interface(int fd, int disknum, int escalade_type, smart_command_set command, int select, char *data)
{
printwarning(NO_3WARE, NULL);
return -1;
}
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 = iop->dxferp;
sc.datalen = iop->dxfer_len;
sc.senselen = iop->max_sense_len;
sc.timeout = iop->timeout == 0 ? 60000 : iop->timeout; /* XXX */
sc.flags =
(iop->dxfer_dir == DXFER_NONE ? SCCMD_READ : /* XXX */
(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);
}
return 0;
}
/* 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;
}