diff options
Diffstat (limited to 'src/hddtemp_scsi/scsi.c')
| -rw-r--r-- | src/hddtemp_scsi/scsi.c | 125 |
1 files changed, 125 insertions, 0 deletions
diff --git a/src/hddtemp_scsi/scsi.c b/src/hddtemp_scsi/scsi.c new file mode 100644 index 0000000..ab00ad6 --- /dev/null +++ b/src/hddtemp_scsi/scsi.c @@ -0,0 +1,125 @@ +/* + * Copyright (C) 2002 Emmanuel VARAGNAT <hddtemp@guzu.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 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ +/* + * Adapted from a patch sended by : Frederic LOCHON <lochon@roulaise.net> + */ +/* + * Adapted for use with nwipe by : Gerold Gruber <Gerold.Gruber@edv2g.de> + */ + +// Include file generated by ./configure +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif + +// Gettext includes +#if ENABLE_NLS +#include <libintl.h> +#define _(String) gettext (String) +#else +#define _(String) (String) +#endif + +// Standard includes +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <unistd.h> +#include <string.h> +#include <fcntl.h> +#include <errno.h> +#include <sys/ioctl.h> +#include <scsi/scsi.h> + +// Application specific includes +#include "scsicmds.h" +#include "hddtemp.h" + +int scsi_get_temperature(struct disk *dsk) { + int i; + int tempPage = 0; + unsigned char buffer[1024]; + + /* + on triche un peu + we cheat a little and do not really read form drivedb as SCSI disks are not included there + original code omitted as there is no need for it in the context of nwipe + */ + + /* + Enable SMART + */ + if (scsi_smartDEXCPTdisable(dsk->fd) != 0) { + snprintf(dsk->errormsg, MAX_ERRORMSG_SIZE, "%s", strerror(errno)); + close(dsk->fd); + dsk->fd = -1; + return GETTEMP_ERROR; + } + + /* + Temp. capable + */ + if (scsi_logsense(dsk->fd , SUPPORT_LOG_PAGES, buffer, sizeof(buffer)) != 0) { + snprintf(dsk->errormsg, MAX_ERRORMSG_SIZE, _("log sense failed : %s"), strerror(errno)); + close(dsk->fd); + dsk->fd = -1; + return GETTEMP_ERROR; + } + + for ( i = 4; i < buffer[3] + LOGPAGEHDRSIZE ; i++) { + if (buffer[i] == TEMPERATURE_PAGE) { + tempPage = 1; + break; + } + } + + if(tempPage) { + /* + get temperature (from scsiGetTemp (scsicmd.c)) + */ + if (scsi_logsense(dsk->fd , TEMPERATURE_PAGE, buffer, sizeof(buffer)) != 0) { + snprintf(dsk->errormsg, MAX_ERRORMSG_SIZE, _("log sense failed : %s"), strerror(errno)); + close(dsk->fd); + dsk->fd = -1; + return GETTEMP_ERROR; + } + + if( (int)buffer[7] == 2 ) /* PARAMETER LENGTH */ + { + dsk->value = buffer[9]; + } + else + { + snprintf(dsk->errormsg, MAX_ERRORMSG_SIZE, _("parameter length unexpected: %d"), (int)buffer[7] ); + return GETTEMP_UNKNOWN; + } + dsk->refvalue = buffer[15]; + if( (int)buffer[13] == 2 ) /* PARAMETER LENGTH */ + { + dsk->refvalue = buffer[15]; + } + else + { + snprintf(dsk->errormsg, MAX_ERRORMSG_SIZE, _("parameter ref length unexpected: %d"), (int)buffer[13] ); + return GETTEMP_UNKNOWN; + } + return GETTEMP_SUCCESS; + } else { + return GETTEMP_NOSENSOR; + } +} |