Differential D18558 Diff 52091 head/stand/libsa/zfs/zfs.c

Changeset View

Standalone View

head/stand/libsa/zfs/zfs.c

Show All 27 Lines

#include <sys/cdefs.h>		#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");		__FBSDID("$FreeBSD$");

/*		/*
* Stand-alone file reading package.		* Stand-alone file reading package.
*/		*/

		#include <stand.h>
#include <sys/disk.h>		#include <sys/disk.h>
#include <sys/param.h>		#include <sys/param.h>
#include <sys/time.h>		#include <sys/time.h>
#include <sys/queue.h>		#include <sys/queue.h>
		#include <disk.h>
#include <part.h>		#include <part.h>
#include <stddef.h>		#include <stddef.h>
#include <stdarg.h>		#include <stdarg.h>
#include <string.h>		#include <string.h>
#include <stand.h>
#include <bootstrap.h>		#include <bootstrap.h>

#include "libzfs.h"		#include "libzfs.h"

#include "zfsimpl.c"		#include "zfsimpl.c"

/* Define the range of indexes to be populated with ZFS Boot Environments */		/* Define the range of indexes to be populated with ZFS Boot Environments */
#define ZFS_BE_FIRST 4		#define ZFS_BE_FIRST 4
▲ Show 20 Lines • Show All 459 Lines • ▼ Show 20 Lines	zfs_probe_partition(void arg, const char partname,
}		}
close(pa.fd);		close(pa.fd);
return (0);		return (0);
}		}

int		int
zfs_probe_dev(const char devname, uint64_t pool_guid)		zfs_probe_dev(const char devname, uint64_t pool_guid)
{		{
		struct disk_devdesc *dev;
struct ptable *table;		struct ptable *table;
struct zfs_probe_args pa;		struct zfs_probe_args pa;
uint64_t mediasz;		uint64_t mediasz;
int ret;		int ret;

if (pool_guid)		if (pool_guid)
*pool_guid = 0;		*pool_guid = 0;
pa.fd = open(devname, O_RDONLY);		pa.fd = open(devname, O_RDONLY);
if (pa.fd == -1)		if (pa.fd == -1)
return (ENXIO);		return (ENXIO);
/*		/*
* We will not probe the whole disk, we can not boot from such		* We will not probe the whole disk, we can not boot from such
* disks and some systems will misreport the disk sizes and will		* disks and some systems will misreport the disk sizes and will
* hang while accessing the disk.		* hang while accessing the disk.
*/		*/
		if (archsw.arch_getdev((void **)&dev, devname, NULL) == 0) {
		int partition = dev->d_partition;
		int slice = dev->d_slice;

		free(dev);
		if (partition != -1 && slice != -1) {
		ret = zfs_probe(pa.fd, pool_guid);
		if (ret == 0)
		return (0);
		}
		}

/* Probe each partition */		/* Probe each partition */
ret = ioctl(pa.fd, DIOCGMEDIASIZE, &mediasz);		ret = ioctl(pa.fd, DIOCGMEDIASIZE, &mediasz);
if (ret == 0)		if (ret == 0)
ret = ioctl(pa.fd, DIOCGSECTORSIZE, &pa.secsz);		ret = ioctl(pa.fd, DIOCGSECTORSIZE, &pa.secsz);
if (ret == 0) {		if (ret == 0) {
pa.devname = devname;		pa.devname = devname;
pa.pool_guid = pool_guid;		pa.pool_guid = pool_guid;
▲ Show 20 Lines • Show All 462 Lines • Show Last 20 Lines