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From 56a605626d81ee27ad220f3f949990cc46fca061 Mon Sep 17 00:00:00 2001
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Message-Id: <56a605626d81ee27ad220f3f949990cc46fca061@dist-git>
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From: Peter Krempa <pkrempa@redhat.com>
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Date: Mon, 16 Mar 2020 22:12:15 +0100
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Subject: [PATCH] qemu: monitor: Add handler for blockdev-reopen
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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Introduce the monitor code for using blockdev-reopen.
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Signed-off-by: Peter Krempa <pkrempa@redhat.com>
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Reviewed-by: Eric Blake <eblake@redhat.com>
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(cherry picked from commit 9f436e067df2e4465228c8ba536dcf9f9445aabc)
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https://bugzilla.redhat.com/show_bug.cgi?id=1799013
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Message-Id: <e74e172e1c5e73fcaeafb7fb3a09414a2fcbe9ad.1584391727.git.pkrempa@redhat.com>
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Reviewed-by: Ján Tomko <jtomko@redhat.com>
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---
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 src/qemu/qemu_monitor.c      | 13 +++++++++++++
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 src/qemu/qemu_monitor.h      |  3 +++
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 src/qemu/qemu_monitor_json.c | 21 +++++++++++++++++++++
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 src/qemu/qemu_monitor_json.h |  4 ++++
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 4 files changed, 41 insertions(+)
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diff --git a/src/qemu/qemu_monitor.c b/src/qemu/qemu_monitor.c
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index e3ee48613a..c4202d59af 100644
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--- a/src/qemu/qemu_monitor.c
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+++ b/src/qemu/qemu_monitor.c
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@@ -4407,6 +4407,19 @@ qemuMonitorBlockdevAdd(qemuMonitorPtr mon,
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 }
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+int
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+qemuMonitorBlockdevReopen(qemuMonitorPtr mon,
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+                          virJSONValuePtr *props)
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+{
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+    VIR_DEBUG("props=%p (node-name=%s)", *props,
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+              NULLSTR(virJSONValueObjectGetString(*props, "node-name")));
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+
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+    QEMU_CHECK_MONITOR(mon);
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+
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+    return qemuMonitorJSONBlockdevReopen(mon, props);
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+}
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+
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+
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 int
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 qemuMonitorBlockdevDel(qemuMonitorPtr mon,
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                        const char *nodename)
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diff --git a/src/qemu/qemu_monitor.h b/src/qemu/qemu_monitor.h
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index 6a6b8efaee..481fc8e12e 100644
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--- a/src/qemu/qemu_monitor.h
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+++ b/src/qemu/qemu_monitor.h
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@@ -1325,6 +1325,9 @@ int qemuMonitorBlockdevCreate(qemuMonitorPtr mon,
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 int qemuMonitorBlockdevAdd(qemuMonitorPtr mon,
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                            virJSONValuePtr *props);
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+int qemuMonitorBlockdevReopen(qemuMonitorPtr mon,
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+                              virJSONValuePtr *props);
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+
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 int qemuMonitorBlockdevDel(qemuMonitorPtr mon,
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                            const char *nodename);
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diff --git a/src/qemu/qemu_monitor_json.c b/src/qemu/qemu_monitor_json.c
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index 3827574ef6..0122b77259 100644
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--- a/src/qemu/qemu_monitor_json.c
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+++ b/src/qemu/qemu_monitor_json.c
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@@ -8830,6 +8830,27 @@ qemuMonitorJSONBlockdevAdd(qemuMonitorPtr mon,
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 }
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+int
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+qemuMonitorJSONBlockdevReopen(qemuMonitorPtr mon,
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+                              virJSONValuePtr *props)
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+{
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+    g_autoptr(virJSONValue) cmd = NULL;
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+    g_autoptr(virJSONValue) reply = NULL;
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+    virJSONValuePtr pr = g_steal_pointer(props);
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+
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+    if (!(cmd = qemuMonitorJSONMakeCommandInternal("blockdev-reopen", pr)))
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+        return -1;
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+
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+    if (qemuMonitorJSONCommand(mon, cmd, &reply) < 0)
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+        return -1;
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+
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+    if (qemuMonitorJSONCheckError(cmd, reply) < 0)
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+        return -1;
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+
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+    return 0;
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+}
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+
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+
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 int
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 qemuMonitorJSONBlockdevDel(qemuMonitorPtr mon,
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                            const char *nodename)
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diff --git a/src/qemu/qemu_monitor_json.h b/src/qemu/qemu_monitor_json.h
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index fd2e09025e..801babef97 100644
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--- a/src/qemu/qemu_monitor_json.h
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+++ b/src/qemu/qemu_monitor_json.h
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@@ -600,6 +600,10 @@ int qemuMonitorJSONBlockdevAdd(qemuMonitorPtr mon,
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                                virJSONValuePtr *props)
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     ATTRIBUTE_NONNULL(1) ATTRIBUTE_NONNULL(2);
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+int qemuMonitorJSONBlockdevReopen(qemuMonitorPtr mon,
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+                                  virJSONValuePtr *props)
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+    ATTRIBUTE_NONNULL(1) ATTRIBUTE_NONNULL(2);
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+
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 int qemuMonitorJSONBlockdevDel(qemuMonitorPtr mon,
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                                const char *nodename)
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     ATTRIBUTE_NONNULL(1) ATTRIBUTE_NONNULL(2);
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-- 
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2.25.1
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