Enabled recognition of CD drive at /dev/vda of Linux guest on qemu virtio
This commit is contained in:
parent
9bb1df557c
commit
e60e128bc8
@ -1 +1 @@
|
||||
#define Cdrskin_timestamP "2011.11.03.130710"
|
||||
#define Cdrskin_timestamP "2011.11.09.111408"
|
||||
|
@ -391,6 +391,77 @@ static int sgio_test(int fd)
|
||||
}
|
||||
|
||||
|
||||
static int sgio_inquiry_cd_drive(int fd, char *fname)
|
||||
{
|
||||
unsigned char test_ops[] = { 0x12, 0, 0, 0, 36, 0 };
|
||||
sg_io_hdr_t s;
|
||||
struct buffer *buf = NULL;
|
||||
unsigned char *sense = NULL;
|
||||
char *msg = NULL, *msg_pt;
|
||||
int ret = 0, i;
|
||||
|
||||
BURN_ALLOC_MEM(buf, struct buffer, 1);
|
||||
BURN_ALLOC_MEM(sense, unsigned char, 128);
|
||||
BURN_ALLOC_MEM(msg, char, strlen(fname) + 1024);
|
||||
|
||||
memset(&s, 0, sizeof(sg_io_hdr_t));
|
||||
s.interface_id = 'S';
|
||||
s.dxfer_direction = SG_DXFER_FROM_DEV;
|
||||
s.cmd_len = 6;
|
||||
s.cmdp = test_ops;
|
||||
s.mx_sb_len = 32;
|
||||
s.sbp = sense;
|
||||
s.timeout = 30000;
|
||||
s.dxferp = buf;
|
||||
s.dxfer_len = 36;
|
||||
s.usr_ptr = NULL;
|
||||
|
||||
ret = ioctl(fd, SG_IO, &s);
|
||||
if (ret == -1) {
|
||||
sprintf(msg,
|
||||
"INQUIRY on '%s' : ioctl(SG_IO) failed , errno= %d",
|
||||
fname, errno);
|
||||
libdax_msgs_submit(libdax_messenger, -1, 0x00000002,
|
||||
LIBDAX_MSGS_SEV_DEBUG, LIBDAX_MSGS_PRIO_HIGH,
|
||||
msg, 0, 0);
|
||||
goto ex;
|
||||
}
|
||||
if (s.sb_len_wr > 0 || s.host_status != Libburn_sg_host_oK ||
|
||||
s.driver_status != Libburn_sg_driver_oK) {
|
||||
sprintf(msg, "INQUIRY failed on '%s' : host_status= %hd , driver_status= %hd", fname, s.host_status, s.driver_status);
|
||||
if (s.sb_len_wr > 0) {
|
||||
sprintf(msg + strlen(msg), " , sense data=");
|
||||
msg_pt = msg + strlen(msg);
|
||||
for (i = 0 ; i < s.sb_len_wr; i++)
|
||||
sprintf(msg_pt + i * 3, " %2.2X", s.sbp[i]);
|
||||
}
|
||||
libdax_msgs_submit(libdax_messenger, -1, 0x00000002,
|
||||
LIBDAX_MSGS_SEV_DEBUG, LIBDAX_MSGS_PRIO_HIGH,
|
||||
msg, 0, 0);
|
||||
ret = -1;
|
||||
goto ex;
|
||||
}
|
||||
ret = 0;
|
||||
if (buf->data[0] == 0x5) {
|
||||
/* Peripheral qualifier 0, device type 0x5 = CD/DVD device.
|
||||
SPC-3 tables 82 and 83 */
|
||||
ret = 1;
|
||||
} else {
|
||||
sprintf(msg, "INQUIRY on '%s' : byte 0 = 0x%2.2X",
|
||||
fname, buf->data[0]);
|
||||
libdax_msgs_submit(libdax_messenger, -1, 0x00000002,
|
||||
LIBDAX_MSGS_SEV_DEBUG, LIBDAX_MSGS_PRIO_HIGH,
|
||||
msg, 0, 0);
|
||||
}
|
||||
|
||||
ex:;
|
||||
BURN_FREE_MEM(msg);
|
||||
BURN_FREE_MEM(sense);
|
||||
BURN_FREE_MEM(buf);
|
||||
return ret;
|
||||
}
|
||||
|
||||
|
||||
/* ts A60924 */
|
||||
static int sg_handle_busy_device(char *fname, int os_errno)
|
||||
{
|
||||
@ -869,6 +940,15 @@ static int is_scsi_drive(char *fname, int fd_in, int *bus_no, int *host_no,
|
||||
|
||||
}
|
||||
|
||||
if (sid_ret == -1) {
|
||||
/* ts B11109 : Try device type from INQUIRY byte 0 */
|
||||
if (sgio_inquiry_cd_drive(fd, fname) == 1) {
|
||||
sid_ret = 0;
|
||||
sid.scsi_type = TYPE_ROM;
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
#ifdef SCSI_IOCTL_GET_BUS_NUMBER
|
||||
/* Hearsay A61005 */
|
||||
if (ioctl(fd, SCSI_IOCTL_GET_BUS_NUMBER, bus_no) == -1)
|
||||
|
Loading…
Reference in New Issue
Block a user