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Implemented debugging messages for ATA enumeration

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This commit is contained in:
Thomas Schmitt 2007-01-13 14:09:53 +00:00
parent 6e3e02ddf9
commit 206f0cee94
1 changed files with 32 additions and 6 deletions
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38
libburn/trunk/libburn/sg-linux.c
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@ -133,10 +133,9 @@ static int linux_sg_accept_any_type = 0;
*/ */
static char linux_ata_device_family[80] = {"/dev/hd%c"}; static char linux_ata_device_family[80] = {"/dev/hd%c"};
/* >>> Not implemented yet: /* Set this to 1 in order to get on stderr messages from ata_enumerate()
Set this to 1 in order to get on stderr messages from ata_enumerate()i
static int linux_ata_enumerate_verbous = 0;
*/ */
static int linux_ata_enumerate_verbous = 0;
@ -413,23 +412,39 @@ static void ata_enumerate(void)
int i, fd; int i, fd;
char fname[10]; char fname[10];
if (linux_ata_enumerate_verbous)
fprintf(stderr, "libburn_debug: linux_ata_device_family = %s\n",
linux_ata_device_family);
if (linux_ata_device_family[0] == 0) if (linux_ata_device_family[0] == 0)
return; return;
for (i = 0; i < 26; i++) { for (i = 0; i < 26; i++) {
sprintf(fname, linux_ata_device_family, 'a' + i); sprintf(fname, linux_ata_device_family, 'a' + i);
if (linux_ata_enumerate_verbous)
fprintf(stderr, "libburn_debug: %s : ", fname);
/* ts A51221 */ /* ts A51221 */
if (burn_drive_is_banned(fname)) if (burn_drive_is_banned(fname)) {
if (linux_ata_enumerate_verbous)
fprintf(stderr, "not in whitelist\n");
continue; continue;
}
fd = sg_open_drive_fd(fname, 1); fd = sg_open_drive_fd(fname, 1);
if (fd == -1) if (fd == -1) {
if (linux_ata_enumerate_verbous)
fprintf(stderr,"open failed, errno=%d '%s'\n",
errno, strerror(errno));
continue; continue;
}
/* found a drive */ /* found a drive */
ioctl(fd, HDIO_GET_IDENTITY, &tm); ioctl(fd, HDIO_GET_IDENTITY, &tm);
/* not atapi */ /* not atapi */
if (!(tm.config & 0x8000) || (tm.config & 0x4000)) { if (!(tm.config & 0x8000) || (tm.config & 0x4000)) {
if (linux_ata_enumerate_verbous)
fprintf(stderr, "not marked as ATAPI\n");
sg_close_drive_fd(fname, -1, &fd, 0); sg_close_drive_fd(fname, -1, &fd, 0);
continue; continue;
} }
@ -437,11 +452,22 @@ static void ata_enumerate(void)
/* if SG_IO fails on an atapi device, we should stop trying to /* if SG_IO fails on an atapi device, we should stop trying to
use hd* devices */ use hd* devices */
if (sgio_test(fd) == -1) { if (sgio_test(fd) == -1) {
if (linux_ata_enumerate_verbous)
fprintf(stderr,
"FATAL: sgio_test() failed: errno=%d '%s'\n",
errno, strerror(errno));
sg_close_drive_fd(fname, -1, &fd, 0); sg_close_drive_fd(fname, -1, &fd, 0);
return; return;
} }
if (sg_close_drive_fd(fname, -1, &fd, 1) <= 0) if (sg_close_drive_fd(fname, -1, &fd, 1) <= 0) {
if (linux_ata_enumerate_verbous)
fprintf(stderr,
"cannot close properly, errno=%d '%s'\n",
errno, strerror(errno));
continue; continue;
}
if (linux_ata_enumerate_verbous)
fprintf(stderr, "accepting as drive without SCSI address\n");
enumerate_common(fname, -1, -1, -1, -1, -1); enumerate_common(fname, -1, -1, -1, -1, -1);
} }
} }