9102 zfs should be able to initialize storage devices

Reviewed by: John Wren Kennedy <john.kennedy@delphix.com>
Reviewed by: Matthew Ahrens <mahrens@delphix.com>
Reviewed by: Pavel Zakharov <pavel.zakharov@delphix.com>
Reviewed by: Prakash Surya <prakash.surya@delphix.com>
Approved by: Richard Lowe <richlowe@richlowe.net>

3 files changed, 48 insertions, 0 deletions

diff --git a/usr/src/lib/libzfs_core/common/libzfs_core.c b/usr/src/lib/libzfs_core/common/libzfs_core.c
index d09304fbbb..ac25820c61 100644
--- a/usr/src/lib/libzfs_core/common/libzfs_core.c
+++ b/usr/src/lib/libzfs_core/common/libzfs_core.c
@@ -1038,3 +1038,40 @@ lzc_channel_program_nosync(const char *pool, const char *program,
 	return (lzc_channel_program_impl(pool, program, B_FALSE, timeout,
 	    memlimit, argnvl, outnvl));
 }
+
+/*
+ * Changes initializing state.
+ *
+ * vdevs should be a list of (<key>, guid) where guid is a uint64 vdev GUID.
+ * The key is ignored.
+ *
+ * If there are errors related to vdev arguments, per-vdev errors are returned
+ * in an nvlist with the key "vdevs". Each error is a (guid, errno) pair where
+ * guid is stringified with PRIu64, and errno is one of the following as
+ * an int64_t:
+ *	- ENODEV if the device was not found
+ *	- EINVAL if the devices is not a leaf or is not concrete (e.g. missing)
+ *	- EROFS if the device is not writeable
+ *	- EBUSY start requested but the device is already being initialized
+ *	- ESRCH cancel/suspend requested but device is not being initialized
+ *
+ * If the errlist is empty, then return value will be:
+ *	- EINVAL if one or more arguments was invalid
+ *	- Other spa_open failures
+ *	- 0 if the operation succeeded
+ */
+int
+lzc_initialize(const char *poolname, pool_initialize_func_t cmd_type,
+    nvlist_t *vdevs, nvlist_t **errlist)
+{
+	int error;
+	nvlist_t *args = fnvlist_alloc();
+	fnvlist_add_uint64(args, ZPOOL_INITIALIZE_COMMAND, (uint64_t)cmd_type);
+	fnvlist_add_nvlist(args, ZPOOL_INITIALIZE_VDEVS, vdevs);
+
+	error = lzc_ioctl(ZFS_IOC_POOL_INITIALIZE, poolname, args, errlist);
+
+	fnvlist_free(args);
+
+	return (error);
+}
diff --git a/usr/src/lib/libzfs_core/common/libzfs_core.h b/usr/src/lib/libzfs_core/common/libzfs_core.h
index 8c6743f503..d4a9a49cc1 100644
--- a/usr/src/lib/libzfs_core/common/libzfs_core.h
+++ b/usr/src/lib/libzfs_core/common/libzfs_core.h
@@ -31,6 +31,8 @@
 #include <libnvpair.h>
 #include <sys/param.h>
 #include <sys/types.h>
+#include <sys/fs/zfs.h>
+
 
 #ifdef	__cplusplus
 extern "C" {
@@ -56,6 +58,8 @@ int lzc_destroy_snaps(nvlist_t *, boolean_t, nvlist_t **);
 int lzc_bookmark(nvlist_t *, nvlist_t **);
 int lzc_get_bookmarks(const char *, nvlist_t *, nvlist_t **);
 int lzc_destroy_bookmarks(nvlist_t *, nvlist_t **);
+int lzc_initialize(const char *, pool_initialize_func_t, nvlist_t *,
+    nvlist_t **);
 
 int lzc_snaprange_space(const char *, const char *, uint64_t *);
 
diff --git a/usr/src/lib/libzfs_core/common/mapfile-vers b/usr/src/lib/libzfs_core/common/mapfile-vers
index 7f63f041b6..588eb76e97 100644
--- a/usr/src/lib/libzfs_core/common/mapfile-vers
+++ b/usr/src/lib/libzfs_core/common/mapfile-vers
@@ -37,6 +37,13 @@
 
 $mapfile_version 2
 
+SYMBOL_VERSION ILLUMOS_0.3 {
+	global:
+
+	lzc_initialize;
+} ILLUMOS_0.1;
+
+
 SYMBOL_VERSION ILLUMOS_0.2 {
 	global: