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- #include <errno.h>
- #include <fcntl.h>
- #include <newt.h>
- #include <stdlib.h>
- #include <string.h>
- #include <unistd.h>
-
- #include "devices.h"
- #include "install.h"
- #include "log.h"
- #include "scsi.h"
-
- static int scsiChoicePanel(int * addSCSI);
-
- static int scsiChoicePanel(int * addSCSI) {
- newtComponent label, f, answer;
- newtComponent yes, no;
-
- newtOpenWindow(21, 7, 35, 9, "SCSI Configuration");
-
- label = newtLabel(2, 2, "Do you have any SCSI adapters?");
-
- yes = newtButton(5, 5, "Yes");
- no = newtButton(22, 5, "No");
-
- f = newtForm(NULL, NULL, 0);
- newtFormAddComponents(f, label, yes, no, NULL);
- newtFormSetCurrent(f, no);
-
- answer = newtRunForm(f);
- if (answer == f)
- answer = newtFormGetCurrent(f);
-
- newtFormDestroy(f);
- newtPopWindow();
-
- if (answer == no)
- *addSCSI = 0;
- else
- *addSCSI = 1;
-
- return 0;
- }
-
-
- int setupSCSIInterfaces(int forceConfig, struct driversLoaded ** dl) {
- int rc;
- int hasscsi;
-
- if (scsiDeviceAvailable()) return 0;
-
- do {
- if (forceConfig)
- forceConfig = 0;
- else {
- scsiChoicePanel(&hasscsi);
- if (!hasscsi) return 0;
- }
-
- rc = loadDeviceDriver(DRIVER_SCSI, dl);
- if (rc == INST_ERROR) return INST_ERROR;
- } while (rc);
-
- return 0;
- }
-
- int scsiDeviceAvailable(void) {
- int fd;
- char buf[80];
- int i;
-
- fd = open("/proc/scsi/scsi", O_RDONLY);
- if (fd < 0) {
- logMessage("failed to open /proc/scsi/scsi: %s", strerror(errno));
- return 0;
- }
-
- i = read(fd, buf, sizeof(buf) - 1);
- if (i < 1) {
- logMessage("failed to read /proc/scsi/scsi: %s", strerror(errno));
- return 0;
- }
- close(fd);
- buf[i] = '\0';
-
- logMessage("/proc/scsi/scsi: %s", buf);
-
- if (strstr(buf, "devices: none")) {
- logMessage("no scsi devices are available");
- return 0;
- }
-
- logMessage("scsi devices are available");
- return 1;
- }
-