127 lines
3.0 KiB
Diff
127 lines
3.0 KiB
Diff
From e933992419bd8da2689a527ae95000891e687a2d Mon Sep 17 00:00:00 2001
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From: Wolfgang Bumiller <w.bumiller@proxmox.com>
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Date: Wed, 9 Dec 2015 16:34:41 +0100
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Subject: [PATCH 24/47] qmp: add get_link_status
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---
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net/net.c | 27 +++++++++++++++++++++++++++
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qapi-schema.json | 15 +++++++++++++++
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qmp-commands.hx | 23 +++++++++++++++++++++++
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scripts/qapi.py | 2 ++
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4 files changed, 67 insertions(+)
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diff --git a/net/net.c b/net/net.c
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index 19b4d9e..5f890b7 100644
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--- a/net/net.c
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+++ b/net/net.c
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@@ -1362,6 +1362,33 @@ void hmp_info_network(Monitor *mon, const QDict *qdict)
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}
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}
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+int64_t qmp_get_link_status(const char *name, Error **errp)
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+{
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+ NetClientState *ncs[MAX_QUEUE_NUM];
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+ NetClientState *nc;
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+ int queues;
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+ bool ret;
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+
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+ queues = qemu_find_net_clients_except(name, ncs,
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+ NET_CLIENT_DRIVER__MAX,
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+ MAX_QUEUE_NUM);
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+
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+ if (queues == 0) {
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+ error_set(errp, ERROR_CLASS_DEVICE_NOT_FOUND,
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+ "Device '%s' not found", name);
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+ return (int64_t) -1;
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+ }
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+
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+ nc = ncs[0];
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+ ret = ncs[0]->link_down;
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+
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+ if (nc->peer->info->type == NET_CLIENT_DRIVER_NIC) {
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+ ret = ncs[0]->peer->link_down;
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+ }
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+
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+ return (int64_t) ret ? 0 : 1;
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+}
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+
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void qmp_set_link(const char *name, bool up, Error **errp)
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{
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NetClientState *ncs[MAX_QUEUE_NUM];
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diff --git a/qapi-schema.json b/qapi-schema.json
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index 0c0faf7..d75e932 100644
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--- a/qapi-schema.json
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+++ b/qapi-schema.json
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@@ -1786,6 +1786,21 @@
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{ 'command': 'set_link', 'data': {'name': 'str', 'up': 'bool'} }
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##
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+# @get_link_status
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+#
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+# Get the current link state of the nics or nic.
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+#
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+# @name: name of the nic you get the state of
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+#
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+# Return: If link is up 1
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+# If link is down 0
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+# If an error occure an empty string.
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+#
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+# Notes: this is an Proxmox VE extension and not offical part of Qemu.
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+##
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+{ 'command': 'get_link_status', 'data': {'name': 'str'}, 'returns': 'int'}
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+
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+##
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# @balloon:
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#
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# Request the balloon driver to change its balloon size.
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diff --git a/qmp-commands.hx b/qmp-commands.hx
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index 6342cd2..a84932a 100644
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--- a/qmp-commands.hx
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+++ b/qmp-commands.hx
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@@ -1883,6 +1883,29 @@ Example:
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EQMP
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{
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+ .name = "get_link_status",
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+ .args_type = "name:s",
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+ .mhandler.cmd_new = qmp_marshal_get_link_status,
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+ },
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+
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+SQMP
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+get_link_status
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+--------
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+
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+Get the link status of a network adapter.
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+
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+Arguments:
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+
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+- "name": network device name (json-string)
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+
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+Example:
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+
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+-> { "execute": "get_link_status", "arguments": { "name": "e1000.0" } }
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+<- { "return": {1} }
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+
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+EQMP
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+
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+ {
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.name = "getfd",
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.args_type = "fdname:s",
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.params = "getfd name",
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diff --git a/scripts/qapi.py b/scripts/qapi.py
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index 21bc32f..f900659 100644
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--- a/scripts/qapi.py
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+++ b/scripts/qapi.py
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@@ -39,6 +39,8 @@ builtin_types = {
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# Whitelist of commands allowed to return a non-dictionary
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returns_whitelist = [
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+ 'get_link_status',
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+
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# From QMP:
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'human-monitor-command',
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'qom-get',
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--
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2.1.4
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