#include <sys/dsl_scan.h>
#include <sharefs/share.h>
#include <sys/dmu_objset.h>
+#include <sys/fm/util.h>
+
+#include <linux/miscdevice.h>
#include "zfs_namecheck.h"
#include "zfs_prop.h"
#include "zfs_deleg.h"
#include "zfs_comutil.h"
-extern struct modlfs zfs_modlfs;
+kmutex_t zfsdev_state_lock;
+list_t zfsdev_state_list;
extern void zfs_init(void);
extern void zfs_fini(void);
-ldi_ident_t zfs_li = NULL;
-dev_info_t *zfs_dip;
-
typedef int zfs_ioc_func_t(zfs_cmd_t *);
typedef int zfs_secpolicy_func_t(zfs_cmd_t *, cred_t *);
return (error);
}
+#ifdef HAVE_ZPL
static int
zfs_secpolicy_deleg_share(zfs_cmd_t *zc, cred_t *cr)
{
return (dsl_deleg_access(zc->zc_name,
ZFS_DELEG_PERM_SHARE, cr));
}
+#endif /* HAVE_ZPL */
int
zfs_secpolicy_share(zfs_cmd_t *zc, cred_t *cr)
{
+#ifdef HAVE_ZPL
if (!INGLOBALZONE(curproc))
return (EPERM);
} else {
return (zfs_secpolicy_deleg_share(zc, cr));
}
+#else
+ return (ENOTSUP);
+#endif /* HAVE_ZPL */
}
int
zfs_secpolicy_smb_acl(zfs_cmd_t *zc, cred_t *cr)
{
+#ifdef HAVE_ZPL
if (!INGLOBALZONE(curproc))
return (EPERM);
} else {
return (zfs_secpolicy_deleg_share(zc, cr));
}
+#else
+ return (ENOTSUP);
+#endif /* HAVE_ZPL */
}
static int
return (error);
}
+#ifdef HAVE_ZPL
static int
zfs_secpolicy_umount(zfs_cmd_t *zc, cred_t *cr)
{
}
return (error);
}
+#endif /* HAVE_ZPL */
/*
* Policy for pool operations - create/destroy pools, add vdevs, etc. Requires
return (error);
}
+#ifdef HAVE_ZPL
static int
getzfsvfs(const char *dsname, zfsvfs_t **zfvp)
{
dmu_objset_rele(os, FTAG);
return (error);
}
+#endif
/*
* Find a zfsvfs_t for a mounted filesystem, or create our own, in which
static int
zfsvfs_hold(const char *name, void *tag, zfsvfs_t **zfvp, boolean_t writer)
{
+#ifdef HAVE_ZPL
int error = 0;
if (getzfsvfs(name, zfvp) != 0)
}
}
return (error);
+#else
+ return ENOTSUP;
+#endif
}
static void
zfsvfs_rele(zfsvfs_t *zfsvfs, void *tag)
{
+#ifdef HAVE_ZPL
rrw_exit(&zfsvfs->z_teardown_lock, tag);
if (zfsvfs->z_vfs) {
dmu_objset_disown(zfsvfs->z_os, zfsvfs);
zfsvfs_free(zfsvfs);
}
+#endif
}
static int
static int
zfs_prop_set_userquota(const char *dsname, nvpair_t *pair)
{
+#ifdef HAVE_ZPL
const char *propname = nvpair_name(pair);
uint64_t *valary;
unsigned int vallen;
}
return (err);
+#else
+ return ENOTSUP;
+#endif
}
/*
if ((err = zfsvfs_hold(dsname, FTAG, &zfsvfs, B_TRUE)) != 0)
break;
+#ifdef HAVE_ZPL
err = zfs_set_version(zfsvfs, intval);
+#endif
zfsvfs_rele(zfsvfs, FTAG);
if (err == 0 && intval >= ZPL_VERSION_USERSPACE) {
return (error);
}
+#ifdef HAVE_ZPL
/*
* Search the vfs list for a specified resource. Returns a pointer to it
* or NULL if no suitable entry is found. The caller of this routine
vfs_list_unlock();
return (vfs_found);
}
+#endif /* HAVE_ZPL */
/* ARGSUSED */
static void
int
zfs_unmount_snap(const char *name, void *arg)
{
+#ifdef HAVE_ZPL
vfs_t *vfsp = NULL;
if (arg) {
if ((err = dounmount(vfsp, flag, kcred)) != 0)
return (err);
}
+#endif /* HAVE_ZPL */
return (0);
}
static int
zfs_ioc_rollback(zfs_cmd_t *zc)
{
+#ifdef HAVE_ZPL
dsl_dataset_t *ds, *clone;
int error;
zfsvfs_t *zfsvfs;
if (ds)
dsl_dataset_rele(ds, FTAG);
return (error);
+#else
+ return (ENOTSUP);
+#endif /* HAVE_ZPL */
}
/*
&zc->zc_action_handle);
if (error == 0) {
+#ifdef HAVE_ZPL
zfsvfs_t *zfsvfs = NULL;
if (getzfsvfs(tofs, &zfsvfs) == 0) {
} else {
error = dmu_recv_end(&drc);
}
+#else
+ error = dmu_recv_end(&drc);
+#endif /* HAVE_ZPL */
}
zc->zc_cookie = off - fp->f_offset;
static int
zfs_ioc_userspace_one(zfs_cmd_t *zc)
{
+#ifdef HAVE_ZPL
zfsvfs_t *zfsvfs;
int error;
zfsvfs_rele(zfsvfs, FTAG);
return (error);
+#else
+ return (ENOTSUP);
+#endif /* HAVE_ZPL */
}
/*
static int
zfs_ioc_userspace_many(zfs_cmd_t *zc)
{
+#ifdef HAVE_ZPL
zfsvfs_t *zfsvfs;
int bufsize = zc->zc_nvlist_dst_size;
zfsvfs_rele(zfsvfs, FTAG);
return (error);
+#else
+ return (ENOTSUP);
+#endif /* HAVE_ZPL */
}
/*
static int
zfs_ioc_userspace_upgrade(zfs_cmd_t *zc)
{
+#ifdef HAVE_ZPL
objset_t *os;
int error = 0;
zfsvfs_t *zfsvfs;
}
return (error);
+#else
+ return (ENOTSUP);
+#endif /* HAVE_ZPL */
}
/*
* the first file system is shared.
* Neither sharefs, nfs or smbsrv are unloadable modules.
*/
+#ifdef HAVE_ZPL
int (*znfsexport_fs)(void *arg);
int (*zshare_fs)(enum sharefs_sys_op, share_t *, uint32_t);
int (*zsmbexport_fs)(void *arg, boolean_t add_share);
}
return (0);
}
+#endif /* HAVE_ZPL */
static int
zfs_ioc_share(zfs_cmd_t *zc)
{
+#ifdef HAVE_ZPL
int error;
int opcode;
zc->zc_share.z_sharemax);
return (error);
-
+#else
+ return (ENOTSUP);
+#endif /* HAVE_ZPL */
}
ace_t full_access[] = {
/*
* Remove all ACL files in shares dir
*/
+#ifdef HAVE_ZPL
static int
zfs_smb_acl_purge(znode_t *dzp)
{
zap_cursor_fini(&zc);
return (error);
}
+#endif /* HAVE ZPL */
static int
zfs_ioc_smb_acl(zfs_cmd_t *zc)
{
+#ifdef HAVE_ZPL
vnode_t *vp;
znode_t *dzp;
vnode_t *resourcevp = NULL;
ZFS_EXIT(zfsvfs);
return (error);
+#else
+ return (ENOTSUP);
+#endif /* HAVE_ZPL */
}
/*
return (error);
}
+static void *
+zfsdev_get_state_impl(minor_t minor, enum zfsdev_state_type which)
+{
+ zfsdev_state_t *zs;
+
+ ASSERT(MUTEX_HELD(&zfsdev_state_lock));
+
+ for (zs = list_head(&zfsdev_state_list); zs != NULL;
+ zs = list_next(&zfsdev_state_list, zs)) {
+ if (zs->zs_minor == minor) {
+ switch (which) {
+ case ZST_ONEXIT: return (zs->zs_onexit);
+ case ZST_ZEVENT: return (zs->zs_zevent);
+ case ZST_ALL: return (zs);
+ }
+ }
+ }
+
+ return NULL;
+}
+
+void *
+zfsdev_get_state(minor_t minor, enum zfsdev_state_type which)
+{
+ void *ptr;
+
+ mutex_enter(&zfsdev_state_lock);
+ ptr = zfsdev_get_state_impl(minor, which);
+ mutex_exit(&zfsdev_state_lock);
+
+ return ptr;
+}
+
+minor_t
+zfsdev_getminor(struct file *filp)
+{
+ ASSERT(filp != NULL);
+ ASSERT(filp->private_data != NULL);
+
+ return (((zfsdev_state_t *)filp->private_data)->zs_minor);
+}
+
/*
- * Find a free minor number.
+ * Find a free minor number. The zfsdev_state_list is expected to
+ * be short since it is only a list of currently open file handles.
*/
minor_t
zfsdev_minor_alloc(void)
{
- static minor_t last_minor;
+ static minor_t last_minor = 0;
minor_t m;
ASSERT(MUTEX_HELD(&zfsdev_state_lock));
for (m = last_minor + 1; m != last_minor; m++) {
if (m > ZFSDEV_MAX_MINOR)
m = 1;
- if (ddi_get_soft_state(zfsdev_state, m) == NULL) {
+ if (zfsdev_get_state_impl(m, ZST_ALL) == NULL) {
last_minor = m;
return (m);
}
}
static int
-zfs_ctldev_init(dev_t *devp)
+zfsdev_state_init(struct file *filp)
{
+ zfsdev_state_t *zs;
minor_t minor;
- zfs_soft_state_t *zs;
ASSERT(MUTEX_HELD(&zfsdev_state_lock));
- ASSERT(getminor(*devp) == 0);
- minor = zfsdev_minor_alloc();
- if (minor == 0)
- return (ENXIO);
+ minor = zfsdev_minor_alloc();
+ if (minor == 0)
+ return (ENXIO);
+
+ zs = kmem_zalloc( sizeof(zfsdev_state_t), KM_SLEEP);
+ if (zs == NULL)
+ return (ENOMEM);
- if (ddi_soft_state_zalloc(zfsdev_state, minor) != DDI_SUCCESS)
- return (EAGAIN);
+ zs->zs_file = filp;
+ zs->zs_minor = minor;
+ filp->private_data = zs;
- *devp = makedevice(getemajor(*devp), minor);
+ zfs_onexit_init((zfs_onexit_t **)&zs->zs_onexit);
+ zfs_zevent_init((zfs_zevent_t **)&zs->zs_zevent);
- zs = ddi_get_soft_state(zfsdev_state, minor);
- zs->zss_type = ZSST_CTLDEV;
- zfs_onexit_init((zfs_onexit_t **)&zs->zss_data);
+ list_insert_tail(&zfsdev_state_list, zs);
return (0);
}
-static void
-zfs_ctldev_destroy(zfs_onexit_t *zo, minor_t minor)
+static int
+zfsdev_state_destroy(struct file *filp)
{
- ASSERT(MUTEX_HELD(&zfsdev_state_lock));
+ zfsdev_state_t *zs;
- zfs_onexit_destroy(zo);
- ddi_soft_state_free(zfsdev_state, minor);
-}
+ ASSERT(MUTEX_HELD(&zfsdev_state_lock));
+ ASSERT(filp->private_data != NULL);
-void *
-zfsdev_get_soft_state(minor_t minor, enum zfs_soft_state_type which)
-{
- zfs_soft_state_t *zp;
+ zs = filp->private_data;
+ zfs_onexit_destroy(zs->zs_onexit);
+ zfs_zevent_destroy(zs->zs_zevent);
- zp = ddi_get_soft_state(zfsdev_state, minor);
- if (zp == NULL || zp->zss_type != which)
- return (NULL);
+ list_remove(&zfsdev_state_list, zs);
+ kmem_free(zs, sizeof(zfsdev_state_t));
- return (zp->zss_data);
+ return 0;
}
static int
-zfsdev_open(dev_t *devp, int flag, int otyp, cred_t *cr)
+zfsdev_open(struct inode *ino, struct file *filp)
{
- int error = 0;
-
- if (getminor(*devp) != 0)
- return (zvol_open(devp, flag, otyp, cr));
+ int error;
- /* This is the control device. Allocate a new minor if requested. */
- if (flag & FEXCL) {
- mutex_enter(&zfsdev_state_lock);
- error = zfs_ctldev_init(devp);
- mutex_exit(&zfsdev_state_lock);
- }
+ mutex_enter(&zfsdev_state_lock);
+ error = zfsdev_state_init(filp);
+ mutex_exit(&zfsdev_state_lock);
- return (error);
+ return (-error);
}
static int
-zfsdev_close(dev_t dev, int flag, int otyp, cred_t *cr)
+zfsdev_release(struct inode *ino, struct file *filp)
{
- zfs_onexit_t *zo;
- minor_t minor = getminor(dev);
-
- if (minor == 0)
- return (0);
+ int error;
mutex_enter(&zfsdev_state_lock);
- zo = zfsdev_get_soft_state(minor, ZSST_CTLDEV);
- if (zo == NULL) {
- mutex_exit(&zfsdev_state_lock);
- return (zvol_close(dev, flag, otyp, cr));
- }
- zfs_ctldev_destroy(zo, minor);
+ error = zfsdev_state_destroy(filp);
mutex_exit(&zfsdev_state_lock);
- return (0);
+ return (-error);
}
-static int
-zfsdev_ioctl(dev_t dev, int cmd, intptr_t arg, int flag, cred_t *cr, int *rvalp)
+static long
+zfsdev_ioctl(struct file *filp, unsigned cmd, unsigned long arg)
{
zfs_cmd_t *zc;
uint_t vec;
- int error, rc;
- minor_t minor = getminor(dev);
-
- if (minor != 0 &&
- zfsdev_get_soft_state(minor, ZSST_CTLDEV) == NULL)
- return (zvol_ioctl(dev, cmd, arg, flag, cr, rvalp));
+ int error, rc, flag = 0;
vec = cmd - ZFS_IOC;
- ASSERT3U(getmajor(dev), ==, ddi_driver_major(zfs_dip));
-
if (vec >= sizeof (zfs_ioc_vec) / sizeof (zfs_ioc_vec[0]))
- return (EINVAL);
+ return (-EINVAL);
zc = kmem_zalloc(sizeof (zfs_cmd_t), KM_SLEEP);
error = EFAULT;
if ((error == 0) && !(flag & FKIOCTL))
- error = zfs_ioc_vec[vec].zvec_secpolicy(zc, cr);
+ error = zfs_ioc_vec[vec].zvec_secpolicy(zc, NULL);
/*
* Ensure that all pool/dataset names are valid before we pass down to
}
kmem_free(zc, sizeof (zfs_cmd_t));
- return (error);
+ return (-error);
}
-static int
-zfs_attach(dev_info_t *dip, ddi_attach_cmd_t cmd)
+#ifdef CONFIG_COMPAT
+static long
+zfsdev_compat_ioctl(struct file *filp, unsigned cmd, unsigned long arg)
{
- if (cmd != DDI_ATTACH)
- return (DDI_FAILURE);
-
- if (ddi_create_minor_node(dip, "zfs", S_IFCHR, 0,
- DDI_PSEUDO, 0) == DDI_FAILURE)
- return (DDI_FAILURE);
-
- zfs_dip = dip;
+ return zfsdev_ioctl(filp, cmd, arg);
+}
+#else
+#define zfs_compat_ioctl NULL
+#endif
- ddi_report_dev(dip);
+static const struct file_operations zfsdev_fops = {
+ .open = zfsdev_open,
+ .release = zfsdev_release,
+ .unlocked_ioctl = zfsdev_ioctl,
+ .compat_ioctl = zfsdev_compat_ioctl,
+ .owner = THIS_MODULE,
+};
- return (DDI_SUCCESS);
-}
+static struct miscdevice zfs_misc = {
+ .minor = MISC_DYNAMIC_MINOR,
+ .name = ZFS_DRIVER,
+ .fops = &zfsdev_fops,
+};
static int
-zfs_detach(dev_info_t *dip, ddi_detach_cmd_t cmd)
+zfs_attach(void)
{
- if (spa_busy() || zfs_busy() || zvol_busy())
- return (DDI_FAILURE);
-
- if (cmd != DDI_DETACH)
- return (DDI_FAILURE);
+ int error;
- zfs_dip = NULL;
+ mutex_init(&zfsdev_state_lock, NULL, MUTEX_DEFAULT, NULL);
+ list_create(&zfsdev_state_list, sizeof (zfsdev_state_t),
+ offsetof(zfsdev_state_t, zs_next));
- ddi_prop_remove_all(dip);
- ddi_remove_minor_node(dip, NULL);
+ error = misc_register(&zfs_misc);
+ if (error) {
+ printk(KERN_INFO "ZFS: misc_register() failed %d\n", error);
+ return (error);
+ }
- return (DDI_SUCCESS);
+ return (0);
}
-/*ARGSUSED*/
-static int
-zfs_info(dev_info_t *dip, ddi_info_cmd_t infocmd, void *arg, void **result)
+static void
+zfs_detach(void)
{
- switch (infocmd) {
- case DDI_INFO_DEVT2DEVINFO:
- *result = zfs_dip;
- return (DDI_SUCCESS);
+ int error;
- case DDI_INFO_DEVT2INSTANCE:
- *result = (void *)0;
- return (DDI_SUCCESS);
- }
+ error = misc_deregister(&zfs_misc);
+ if (error)
+ printk(KERN_INFO "ZFS: misc_deregister() failed %d\n", error);
- return (DDI_FAILURE);
+ mutex_destroy(&zfsdev_state_lock);
+ list_destroy(&zfsdev_state_list);
}
-/*
- * OK, so this is a little weird.
- *
- * /dev/zfs is the control node, i.e. minor 0.
- * /dev/zvol/[r]dsk/pool/dataset are the zvols, minor > 0.
- *
- * /dev/zfs has basically nothing to do except serve up ioctls,
- * so most of the standard driver entry points are in zvol.c.
- */
-static struct cb_ops zfs_cb_ops = {
- zfsdev_open, /* open */
- zfsdev_close, /* close */
- zvol_strategy, /* strategy */
- nodev, /* print */
- zvol_dump, /* dump */
- zvol_read, /* read */
- zvol_write, /* write */
- zfsdev_ioctl, /* ioctl */
- nodev, /* devmap */
- nodev, /* mmap */
- nodev, /* segmap */
- nochpoll, /* poll */
- ddi_prop_op, /* prop_op */
- NULL, /* streamtab */
- D_NEW | D_MP | D_64BIT, /* Driver compatibility flag */
- CB_REV, /* version */
- nodev, /* async read */
- nodev, /* async write */
-};
-
-static struct dev_ops zfs_dev_ops = {
- DEVO_REV, /* version */
- 0, /* refcnt */
- zfs_info, /* info */
- nulldev, /* identify */
- nulldev, /* probe */
- zfs_attach, /* attach */
- zfs_detach, /* detach */
- nodev, /* reset */
- &zfs_cb_ops, /* driver operations */
- NULL, /* no bus operations */
- NULL, /* power */
- ddi_quiesce_not_needed, /* quiesce */
-};
-
-static struct modldrv zfs_modldrv = {
- &mod_driverops,
- "ZFS storage pool",
- &zfs_dev_ops
-};
-
-static struct modlinkage modlinkage = {
- MODREV_1,
- (void *)&zfs_modlfs,
- (void *)&zfs_modldrv,
- NULL
-};
-
-
+#ifdef HAVE_ZPL
uint_t zfs_fsyncer_key;
extern uint_t rrw_tsd_key;
+#endif
+
+#ifdef DEBUG
+#define ZFS_DEBUG_STR " (DEBUG mode)"
+#else
+#define ZFS_DEBUG_STR ""
+#endif
int
_init(void)
spa_init(FREAD | FWRITE);
zfs_init();
- zvol_init();
- if ((error = mod_install(&modlinkage)) != 0) {
- zvol_fini();
- zfs_fini();
- spa_fini();
- return (error);
- }
+ if ((error = zvol_init()) != 0)
+ goto out1;
+
+ if ((error = zfs_attach()) != 0)
+ goto out2;
+#ifdef HAVE_ZPL
tsd_create(&zfs_fsyncer_key, NULL);
tsd_create(&rrw_tsd_key, NULL);
- error = ldi_ident_from_mod(&modlinkage, &zfs_li);
- ASSERT(error == 0);
mutex_init(&zfs_share_lock, NULL, MUTEX_DEFAULT, NULL);
+#endif /* HAVE_ZPL */
+
+ printk(KERN_NOTICE "ZFS: Loaded ZFS Filesystem v%s%s\n",
+ ZFS_META_VERSION, ZFS_DEBUG_STR);
return (0);
+
+out2:
+ (void) zvol_fini();
+out1:
+ zfs_fini();
+ spa_fini();
+ printk(KERN_NOTICE "ZFS: Failed to Load ZFS Filesystem v%s%s"
+ ", rc = %d\n", ZFS_META_VERSION, ZFS_DEBUG_STR, error);
+
+ return (error);
}
int
_fini(void)
{
- int error;
-
- if (spa_busy() || zfs_busy() || zvol_busy() || zio_injection_enabled)
- return (EBUSY);
-
- if ((error = mod_remove(&modlinkage)) != 0)
- return (error);
-
+ zfs_detach();
zvol_fini();
zfs_fini();
spa_fini();
+#ifdef HAVE_ZPL
if (zfs_nfsshare_inited)
(void) ddi_modclose(nfs_mod);
if (zfs_smbshare_inited)
if (zfs_nfsshare_inited || zfs_smbshare_inited)
(void) ddi_modclose(sharefs_mod);
- tsd_destroy(&zfs_fsyncer_key);
- ldi_ident_release(zfs_li);
- zfs_li = NULL;
mutex_destroy(&zfs_share_lock);
+ tsd_destroy(&zfs_fsyncer_key);
+#endif /* HAVE_ZPL */
- return (error);
-}
+ printk(KERN_NOTICE "ZFS: Unloaded ZFS Filesystem v%s%s\n",
+ ZFS_META_VERSION, ZFS_DEBUG_STR);
-int
-_info(struct modinfo *modinfop)
-{
- return (mod_info(&modlinkage, modinfop));
+ return (0);
}
+
+#ifdef HAVE_SPL
+spl_module_init(_init);
+spl_module_exit(_fini);
+
+MODULE_DESCRIPTION("ZFS");
+MODULE_AUTHOR(ZFS_META_AUTHOR);
+MODULE_LICENSE(ZFS_META_LICENSE);
+#endif /* HAVE_SPL */
git://git.camperquake.de / zfs.git / blobdiff