From 8b8ea5c880eb762b8ecbcb3ad1b855282c70b61b Mon Sep 17 00:00:00 2001
From: Markus Armbruster <armbru@redhat.com>
Date: Tue, 17 Dec 2013 06:46:37 +0100
Subject: HMP: Forward-port __com.redhat_drive_add from RHEL-6

RH-Author: Markus Armbruster <armbru@redhat.com>
Message-id: <1387262799-10350-5-git-send-email-armbru@redhat.com>
Patchwork-id: 56295
O-Subject: [PATCH v2 4/6] HMP: Forward-port __com.redhat_drive_add from RHEL-6
Bugzilla: 889051
RH-Acked-by: Fam Zheng <famz@redhat.com>
RH-Acked-by: Stefan Hajnoczi <stefanha@redhat.com>
RH-Acked-by: Luiz Capitulino <lcapitulino@redhat.com>

From: Markus Armbruster <armbru@redhat.com>

Signed-off-by: Markus Armbruster <armbru@redhat.com>

diff --git a/blockdev.c b/blockdev.c
index eeecdf8..f9db328 100644
--- a/blockdev.c
+++ b/blockdev.c
@@ -2673,3 +2673,17 @@ QemuOptsList qemu_drive_opts = {
         { /* end of list */ }
     },
 };
+
+QemuOptsList qemu_simple_drive_opts = {
+    .name = "simple-drive",
+    .implied_opt_name = "format",
+    .head = QTAILQ_HEAD_INITIALIZER(qemu_simple_drive_opts.head),
+    .desc = {
+        /*
+         * no elements => accept any
+         * sanity checking will happen later
+         * when setting device properties
+         */
+        { /* end if list */ }
+    }
+};
diff --git a/hmp-commands.hx b/hmp-commands.hx
index 71f19fb..0931bba 100644
--- a/hmp-commands.hx
+++ b/hmp-commands.hx
@@ -1160,6 +1160,21 @@ STEXI
 Add drive to PCI storage controller.
 ETEXI
 
+    {
+        .name       = RFQDN_REDHAT "drive_add",
+        .args_type  = "simple-drive:O",
+        .params     = "id=name,[file=file][,format=f][,media=d]...",
+        .help       = "Create a drive similar to -device if=none.",
+	.user_print = monitor_user_noop,
+        .mhandler.cmd_new = simple_drive_add,
+    },
+
+STEXI
+@item __com.redhat_drive_add
+@findex __com.redhat_drive_add
+Create a drive similar to -device if=none.
+ETEXI
+
 #if defined(CONFIG_PCI_HOTPLUG_OLD) && 0 /* Disabled for Red Hat Enterprise Linux */
     {
         .name       = "pci_add",
diff --git a/include/sysemu/sysemu.h b/include/sysemu/sysemu.h
index d8539fd..4faa8af 100644
--- a/include/sysemu/sysemu.h
+++ b/include/sysemu/sysemu.h
@@ -220,6 +220,7 @@ bool usb_enabled(bool default_usb);
 extern QemuOptsList qemu_legacy_drive_opts;
 extern QemuOptsList qemu_common_drive_opts;
 extern QemuOptsList qemu_drive_opts;
+extern QemuOptsList qemu_simple_drive_opts;
 extern QemuOptsList qemu_chardev_opts;
 extern QemuOptsList qemu_device_opts;
 extern QemuOptsList qemu_netdev_opts;
diff --git a/vl.c b/vl.c
index 4c1c3d4..0142b26 100644
--- a/vl.c
+++ b/vl.c
@@ -2958,6 +2958,7 @@ int main(int argc, char **argv, char **envp)
     qemu_add_drive_opts(&qemu_legacy_drive_opts);
     qemu_add_drive_opts(&qemu_common_drive_opts);
     qemu_add_drive_opts(&qemu_drive_opts);
+    qemu_add_opts(&qemu_simple_drive_opts);
     qemu_add_opts(&qemu_chardev_opts);
     qemu_add_opts(&qemu_device_opts);
     qemu_add_opts(&qemu_netdev_opts);