MFC r308089: zfsbootcfg: a simple tool to set next boot (one time)

options for zfsboot

There is a branch-specific change in sbin/zfsbootcfg/Makefile because of
LIBADD vs LDADD/DPADD.

2 files changed, 23 insertions, 0 deletions

diff --git a/cddl/contrib/opensolaris/lib/libzfs/common/libzfs.h b/cddl/contrib/opensolaris/lib/libzfs/common/libzfs.h
index c84124e..1aa64aa 100644
--- a/cddl/contrib/opensolaris/lib/libzfs/common/libzfs.h
+++ b/cddl/contrib/opensolaris/lib/libzfs/common/libzfs.h
@@ -213,6 +213,7 @@ extern int zpool_get_state(zpool_handle_t *);
 extern const char *zpool_state_to_name(vdev_state_t, vdev_aux_t);
 extern const char *zpool_pool_state_to_name(pool_state_t);
 extern void zpool_free_handles(libzfs_handle_t *);
+extern int zpool_nextboot(libzfs_handle_t *, uint64_t, uint64_t, const char *);
 
 /*
  * Iterate over all active pools in the system.
diff --git a/cddl/contrib/opensolaris/lib/libzfs/common/libzfs_pool.c b/cddl/contrib/opensolaris/lib/libzfs/common/libzfs_pool.c
index 035f028..face630 100644
--- a/cddl/contrib/opensolaris/lib/libzfs/common/libzfs_pool.c
+++ b/cddl/contrib/opensolaris/lib/libzfs/common/libzfs_pool.c
@@ -4126,3 +4126,25 @@ out:
 	libzfs_fini(hdl);
 	return (ret);
 }
+
+int
+zpool_nextboot(libzfs_handle_t *hdl, uint64_t pool_guid, uint64_t dev_guid,
+    const char *command)
+{
+	zfs_cmd_t zc = { 0 };
+	nvlist_t *args;
+	char *packed;
+	size_t size;
+	int error;
+
+	args = fnvlist_alloc();
+	fnvlist_add_uint64(args, ZPOOL_CONFIG_POOL_GUID, pool_guid);
+	fnvlist_add_uint64(args, ZPOOL_CONFIG_GUID, dev_guid);
+	fnvlist_add_string(args, "command", command);
+	error = zcmd_write_src_nvlist(hdl, &zc, args);
+	if (error == 0)
+		error = ioctl(hdl->libzfs_fd, ZFS_IOC_NEXTBOOT, &zc);
+	zcmd_free_nvlists(&zc);
+	nvlist_free(args);
+	return (error);
+}