Differential D25694 Diff 74543 sys/compat/linux/linux_ioctl.c

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sys/compat/linux/linux_ioctl.c

Show First 20 Lines • Show All 279 Lines • ▼ Show 20 Lines	linux_ioctl_hdio(struct thread td, struct linux_ioctl_args args)
return (ENOIOCTL);		return (ENOIOCTL);
}		}

static int		static int
linux_ioctl_disk(struct thread td, struct linux_ioctl_args args)		linux_ioctl_disk(struct thread td, struct linux_ioctl_args args)
{		{
struct file *fp;		struct file *fp;
int error;		int error;
u_int sectorsize;		u_int sectorsize, psectorsize;
uint64_t blksize64;		uint64_t blksize64;
off_t mediasize;		off_t mediasize, stripesize;

error = fget(td, args->fd, &cap_ioctl_rights, &fp);		error = fget(td, args->fd, &cap_ioctl_rights, &fp);
if (error != 0)		if (error != 0)
return (error);		return (error);
switch (args->cmd & 0xffff) {		switch (args->cmd & 0xffff) {
case LINUX_BLKGETSIZE:		case LINUX_BLKGETSIZE:
error = fo_ioctl(fp, DIOCGSECTORSIZE,		error = fo_ioctl(fp, DIOCGSECTORSIZE,
(caddr_t)&sectorsize, td->td_ucred, td);		(caddr_t)&sectorsize, td->td_ucred, td);
Show All 23 Lines	case LINUX_BLKSSZGET:
error = fo_ioctl(fp, DIOCGSECTORSIZE,		error = fo_ioctl(fp, DIOCGSECTORSIZE,
(caddr_t)&sectorsize, td->td_ucred, td);		(caddr_t)&sectorsize, td->td_ucred, td);
fdrop(fp, td);		fdrop(fp, td);
if (error)		if (error)
return (error);		return (error);
return (copyout(&sectorsize, (void *)args->arg,		return (copyout(&sectorsize, (void *)args->arg,
sizeof(sectorsize)));		sizeof(sectorsize)));
break;		break;
		case LINUX_BLKPBSZGET:
		error = fo_ioctl(fp, DIOCGSTRIPESIZE,
		(caddr_t)&stripesize, td->td_ucred, td);
		if (error != 0) {
		fdrop(fp, td);
		return (error);
		}
		if (stripesize > 0 && stripesize <= 4096) {
		psectorsize = stripesize;
		} else {
		error = fo_ioctl(fp, DIOCGSECTORSIZE,
		(caddr_t)&sectorsize, td->td_ucred, td);
		if (error != 0) {
		fdrop(fp, td);
		return (error);
		}
		psectorsize = sectorsize;
		}
		fdrop(fp, td);
		return (copyout(&psectorsize, (void *)args->arg,
		sizeof(psectorsize)));
}		}
fdrop(fp, td);		fdrop(fp, td);
return (ENOIOCTL);		return (ENOIOCTL);
}		}

/*		/*
* termio related ioctls		* termio related ioctls
*/		*/
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