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/*
* vio.c - probing for vio devices on the iSeries (viocd and viodasd)
*
* Jeremy Katz <katzj@redhat.com>
*
* Copyright 2003 Red Hat, Inc.
*
*/
#include <ctype.h>
#include <errno.h>
#include <fcntl.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <kudzu/kudzu.h>
#include "probe.h"
int vioGetCdDevs(struct knownDevices * devices) {
#if !defined(__powerpc__)
return 0;
#else
int fd, i;
char * buf, * start, * end, * chptr, * next, * model, * ptr;
int ctlNum = 0;
char ctl[64];
struct kddevice newDevice;
if (access("/proc/iSeries/viocd", R_OK))
return 0;
/* Read from /proc/iSeries/viocd */
fd = open("/proc/iSeries/viocd", O_RDONLY);
if (fd < 0) {
fprintf(stderr, "failed to open /proc/iSeries/viocd!\n");
return 1;
}
i = readFD(fd, &buf);
if (i < 1) {
close(fd);
free (buf);
fprintf(stderr, "error reading /proc/iSeries/viocd!\n");
return 1;
}
close(fd);
buf[i] = '\0';
start = buf;
end = start + strlen(start);
while (*start && start < end) {
/* parse till end of line and store the start of next line. */
chptr = start;
while (*chptr != '\n') chptr++;
*chptr = '\0';
next = chptr + 1;
/* get rid of anything which is not alpha */
while (!(isalpha(*start))) start++;
model = NULL;
if (!strncmp("viocd", start, 5))
model = "IBM Virtual CDROM";
if (model) {
start += 13;
ptr = strchr(start, ' ');
*ptr++ = '\0';
ctlNum = atoi(start);
chptr = strstr(ptr, "type ") + 5;
ptr = strchr(chptr, ',');
*ptr = '\0';
model = alloca((20 + strlen(chptr)) * sizeof(char *));
sprintf(model, "IBM Virtual CD-ROM Model %s", chptr);
snprintf(ctl, 63, "iseries/vcd%d", ctlNum);
if (!deviceKnown(devices, ctl)) {
newDevice.name = strdup(ctl);
newDevice.model = strdup(model);
newDevice.class = CLASS_CDROM;
addDevice(devices, newDevice);
}
// printf("model is %s, ctl is %s\n", model, ctl);
}
start = next;
end = start + strlen(start);
} /* end of while */
free (buf);
return 0;
#endif
}
int vioGetDasdDevs(struct knownDevices * devices) {
#if !defined(__powerpc__)
return 0;
#else
int fd, i;
char * buf, * start, * end, * chptr, * next, * model, * ptr;
int ctlNum = 0;
char ctl[64];
struct kddevice newDevice;
if (access("/proc/iSeries/viodasd", R_OK))
return 0;
/* Read from /proc/iSeries/viodasd */
fd = open("/proc/iSeries/viodasd", O_RDONLY);
if (fd < 0) {
fprintf(stderr, "failed to open /proc/iSeries/viodasd!\n");
return 1;
}
i = readFD(fd, &buf);
if (i < 1) {
close(fd);
free (buf);
fprintf(stderr, "error reading /proc/iSeries/viodasd!\n");
return 1;
}
close(fd);
buf[i] = '\0';
start = buf;
end = start + strlen(start);
while (*start && start < end) {
/* parse till end of line and store the start of next line. */
chptr = start;
while (*chptr != '\n') chptr++;
*chptr = '\0';
next = chptr + 1;
/* get rid of anything which is not alpha */
while (!(isalpha(*start))) start++;
model = NULL;
if (!strncmp("DISK ", start, 5))
model = "IBM Virtual DASD";
if (model) {
chptr = start += 5;
ptr = strchr(chptr, ' ');
*ptr = '\0';
ctlNum = atoi(chptr);
if (ctlNum <= 26) {
snprintf(ctl, 63, "iseries/vd%c", 'a' + ctlNum);
} else {
snprintf(ctl, 63, "iseries/vda%c", 'a' + ctlNum - 26);
}
if (!deviceKnown(devices, ctl)) {
newDevice.name = strdup(ctl);
newDevice.model = strdup(model);
newDevice.class = CLASS_HD;
addDevice(devices, newDevice);
}
// printf("model is %s, ctl is %s\n", model, ctl);
}
start = next;
end = start + strlen(start);
} /* end of while */
free (buf);
return 0;
#endif
}
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