static int try_ata_pass_through(HANDLE hdevice, IDEREGS * regs, void * data, int datasize)
{
static char avail = 0x7;
int rc;
if (avail & 0x1) {
rc = ata_pass_through(hdevice, regs, data, datasize);
if (rc >= 0 || errno != ENOSYS)
return rc;
avail &= ~0x1;
}
if ((avail & 0x2) && datasize >= 0) {
rc = ide_pass_through(hdevice, regs, data, datasize);
if (rc >= 0 || errno != ENOSYS)
return rc;
avail &= ~0x2;
}
if ((avail & 0x4) && regs->bCommandReg == WIN_IDENTIFY) {
rc = smart_rcv_drive_data(hdevice, regs, data, datasize);
if (rc >= 0 || errno != ENOSYS)
return rc;
avail &= ~0x4;
}
if (win32_debug) {
printf(" No ATA PASS THROUGH I/O control available\n");
print_ide_regs(regs, NULL);
}
errno = ENOSYS;
return -1;
}
bool ata_device::ata_pass_through(const ata_cmd_in & in)
{
ata_cmd_out dummy;
return ata_pass_through(in, dummy);
}