docs: Add more iscsi-direct references to storage pages

Found that it was missing in formatstorage and had a few typos
in the storage driver page.
Signed-off-by: NJohn Ferlan <jferlan@redhat.com>
Reviewed-by: NCole Robinson <crobinso@redhat.com>

docs/formatstorage.html.in

@@ -19,14 +19,15 @@
       a single attribute <code>type</code>, which is one of <code>dir</code>,
       <code>fs</code>, <code>netfs</code>, <code>disk</code>,
       <code>iscsi</code>, <code>logical</code>, <code>scsi</code>
-      (all <span class="since">since 0.4.1</span>), <code>mpath</code>
-      (<span class="since">since 0.7.1</span>), <code>rbd</code>
-      (<span class="since">since 0.9.13</span>), <code>sheepdog</code>
-      (<span class="since">since 0.10.0</span>),
-      <code>gluster</code> (<span class="since">since
-      1.2.0</span>),  <code>zfs</code> (<span class="since">since
-      1.2.8</span>) or <code>vstorage</code> (<span class="since">since
-      3.1.0</span>). This corresponds to the
+      (all <span class="since">since 0.4.1</span>),
+      <code>mpath</code> (<span class="since">since 0.7.1</span>),
+      <code>rbd</code> (<span class="since">since 0.9.13</span>),
+      <code>sheepdog</code> (<span class="since">since 0.10.0</span>),
+      <code>gluster</code> (<span class="since">since 1.2.0</span>),
+      <code>zfs</code> (<span class="since">since 1.2.8</span>),
+      <code>vstorage</code> (<span class="since">since 3.1.0</span>),
+      or <code>iscsi-direct</code> (<span class="since">since 4.7.0</span>).
+      This corresponds to the
       storage backend drivers listed further along in this document.
     </p>
     <h3><a id="StoragePoolFirst">General metadata</a></h3>
@@ -125,11 +126,12 @@
       <dt><code>device</code></dt>
       <dd>Provides the source for pools backed by physical devices
         (pool types <code>fs</code>, <code>logical</code>, <code>disk</code>,
-        <code>iscsi</code>, <code>zfs</code>, <code>vstorage</code>).
+        <code>iscsi</code>, <code>iscsi-direct</code>, <code>zfs</code>,
+        <code>vstorage</code>).
         May be repeated multiple times depending on backend driver. Contains
         a required attribute <code>path</code> which is either the fully
         qualified path to the block device node or for <code>iscsi</code>
-        the iSCSI Qualified Name (IQN).
+        or <code>iscsi-direct</code> the iSCSI Qualified Name (IQN).
         <span class="since">Since 0.4.1</span>
         <p>An optional attribute <code>part_separator</code> for each
         <code>path</code> may be supplied. Valid values for the attribute
@@ -334,6 +336,7 @@
       <dt><code>host</code></dt>
       <dd>Provides the source for pools backed by storage from a
         remote server (pool types <code>netfs</code>, <code>iscsi</code>,
+        <code>iscsi-direct</code>,
         <code>rbd</code>, <code>sheepdog</code>, <code>gluster</code>). Will be
         used in combination with a <code>directory</code>
         or <code>device</code> element. Contains an attribute <code>name</code>
@@ -348,11 +351,19 @@
         server. See the <a href="storage.html">storage driver page</a> for
         any restrictions for specific storage backends.
         <span class="since">Since 0.4.1</span></dd>
+      <dt><code>initiator</code></dt>
+      <dd>Required by the <code>iscsi-direct</code> pool in order to provide
+        the iSCSI Qualified Name (IQN) to communicate with the pool's
+        <code>device</code> target IQN. There is one sub-element
+        <code>iqn</code> with the <code>name</code> attribute to describe
+        the IQN for the initiator.
+        <span class="since">Since 4.7.0</span></dd>
       <dt><code>auth</code></dt>
       <dd>If present, the <code>auth</code> element provides the
         authentication credentials needed to access the source by the
         setting of the <code>type</code> attribute (pool
-        types <code>iscsi</code>, <code>rbd</code>). The <code>type</code>
+        types <code>iscsi</code>, <code>iscsi-direct</code>, <code>rbd</code>).
+        The <code>type</code>
         must be either "chap" or "ceph". Use "ceph" for
         Ceph RBD (Rados Block Device) network sources and use "iscsi" for CHAP
         (Challenge-Handshake Authentication Protocol) iSCSI

docs/storage.html.in

@@ -437,9 +437,9 @@
 
     <h2><a id="StorageBackendISCSIDirect">iSCSI direct pool</a></h2>
     <p>
-      This is a variant of the iSCSI pool. Instead of unsing iscsiadm, it uses
+      This is a variant of the iSCSI pool. Instead of using iscsiadm, it uses
       libiscsi.
-      It require a host, a path which is the target iqn and an initiator iqn.
+      It requires a host, a path which is the target IQN, and an initiator IQN.
     </p>
 
     <h3>Example pool input</h3>
@@ -457,12 +457,12 @@
 
     <h3>Valid pool format types</h3>
     <p>
-      The iSCSI volume pool does not use the pool format type element.
+      The iSCSI direct volume pool does not use the pool format type element.
     </p>
 
     <h3>Valid volume format types</h3>
     <p>
-      The iSCSI volume pool does not use the volume format type element.
+      The iSCSI direct volume pool does not use the volume format type element.
     </p>
 
     <h2><a id="StorageBackendSCSI">SCSI pool</a></h2>