* CDDL HEADER END
*/
/*
- * Copyright 2010 Sun Microsystems, Inc. All rights reserved.
- * Use is subject to license terms.
+ * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
*/
#ifndef _SYS_ZFS_IOCTL_H
#include <sys/zio.h>
#include <sys/dsl_deleg.h>
#include <sys/spa.h>
+#include <sys/zfs_stat.h>
#ifdef _KERNEL
#include <sys/nvpair.h>
} drr_u;
} dmu_replay_record_t;
+/* diff record range types */
+typedef enum diff_type {
+ DDR_NONE = 0x1,
+ DDR_INUSE = 0x2,
+ DDR_FREE = 0x4
+} diff_type_t;
+
+/*
+ * The diff reports back ranges of free or in-use objects.
+ */
+typedef struct dmu_diff_record {
+ uint64_t ddr_type;
+ uint64_t ddr_first;
+ uint64_t ddr_last;
+} dmu_diff_record_t;
+
typedef struct zinject_record {
uint64_t zi_objset;
uint64_t zi_object;
zinject_record_t zc_inject_record;
boolean_t zc_defer_destroy;
boolean_t zc_temphold;
+ uint64_t zc_action_handle;
+ int zc_cleanup_fd;
+ uint8_t zc_pad[4]; /* alignment */
+ uint64_t zc_sendobj;
+ uint64_t zc_fromobj;
+ uint64_t zc_createtxg;
+ zfs_stat_t zc_stat;
} zfs_cmd_t;
typedef struct zfs_useracct {
uint64_t zu_space;
} zfs_useracct_t;
-#define ZVOL_MAX_MINOR (1 << 16)
-#define ZFS_MIN_MINOR (ZVOL_MAX_MINOR + 1)
+#define ZFSDEV_MAX_MINOR (1 << 16)
+#define ZFS_MIN_MINOR (ZFSDEV_MAX_MINOR + 1)
#define ZPOOL_EXPORT_AFTER_SPLIT 0x1
extern int zfs_busy(void);
extern int zfs_unmount_snap(const char *, void *);
+/*
+ * ZFS minor numbers can refer to either a control device instance or
+ * a zvol. Depending on the value of zss_type, zss_data points to either
+ * a zvol_state_t or a zfs_onexit_t.
+ */
+enum zfs_soft_state_type {
+ ZSST_ZVOL,
+ ZSST_CTLDEV
+};
+
+typedef struct zfs_soft_state {
+ enum zfs_soft_state_type zss_type;
+ void *zss_data;
+} zfs_soft_state_t;
+
+extern void *zfsdev_get_soft_state(minor_t minor,
+ enum zfs_soft_state_type which);
+extern minor_t zfsdev_minor_alloc(void);
+
+extern void *zfsdev_state;
+extern kmutex_t zfsdev_state_lock;
+
#endif /* _KERNEL */
#ifdef __cplusplus