qapi: make Xen event commands unconditionally available

This removes the TARGET_I386 condition from the Xen event channel
commands, moving them to the recently introduced misc-i386.json
QAPI file, given they are inherantly i386 specific commands.

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Acked-by: David Woodhouse <dwmw@amazon.co.uk>
Signed-off-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Message-ID: <20250522190542.588267-7-pierrick.bouvier@linaro.org>
Reviewed-by: Markus Armbruster <armbru@redhat.com>

hw/i386/kvm/xen-stubs.c

@@ -12,7 +12,6 @@
 #include "qemu/osdep.h"
 
 #include "qapi/error.h"
-#include "qapi/qapi-commands-misc-target.h"
 
 #include "xen_evtchn.h"
 #include "xen_primary_console.h"
@@ -38,15 +37,3 @@ void xen_primary_console_create(void)
 void xen_primary_console_set_be_port(uint16_t port)
 {
 }
-#ifdef TARGET_I386
-EvtchnInfoList *qmp_xen_event_list(Error **errp)
-{
-    error_setg(errp, "Xen event channel emulation not enabled");
-    return NULL;
-}
-
-void qmp_xen_event_inject(uint32_t port, Error **errp)
-{
-    error_setg(errp, "Xen event channel emulation not enabled");
-}
-#endif

hw/i386/kvm/xen_evtchn.c

@@ -19,7 +19,7 @@
 #include "monitor/monitor.h"
 #include "monitor/hmp.h"
 #include "qapi/error.h"
-#include "qapi/qapi-commands-misc-target.h"
+#include "qapi/qapi-commands-misc-i386.h"
 #include "qobject/qdict.h"
 #include "qom/object.h"
 #include "exec/target_page.h"

qapi/misc-i386.json

@@ -377,3 +377,110 @@
 #                      {"node": 1, "size": 29360128}]} }
 ##
 { 'command': 'query-sgx-capabilities', 'returns': 'SgxInfo' }
+
+##
+# @EvtchnPortType:
+#
+# An enumeration of Xen event channel port types.
+#
+# @closed: The port is unused.
+#
+# @unbound: The port is allocated and ready to be bound.
+#
+# @interdomain: The port is connected as an interdomain interrupt.
+#
+# @pirq: The port is bound to a physical IRQ (PIRQ).
+#
+# @virq: The port is bound to a virtual IRQ (VIRQ).
+#
+# @ipi: The post is an inter-processor interrupt (IPI).
+#
+# Since: 8.0
+##
+{ 'enum': 'EvtchnPortType',
+  'data': ['closed', 'unbound', 'interdomain', 'pirq', 'virq', 'ipi'] }
+
+##
+# @EvtchnInfo:
+#
+# Information about a Xen event channel port
+#
+# @port: the port number
+#
+# @vcpu: target vCPU for this port
+#
+# @type: the port type
+#
+# @remote-domain: remote domain for interdomain ports
+#
+# @target: remote port ID, or virq/pirq number
+#
+# @pending: port is currently active pending delivery
+#
+# @masked: port is masked
+#
+# Since: 8.0
+##
+{ 'struct': 'EvtchnInfo',
+  'data': {'port': 'uint16',
+           'vcpu': 'uint32',
+           'type': 'EvtchnPortType',
+           'remote-domain': 'str',
+           'target': 'uint16',
+           'pending': 'bool',
+           'masked': 'bool'} }
+
+
+##
+# @xen-event-list:
+#
+# Query the Xen event channels opened by the guest.
+#
+# Returns: list of open event channel ports.
+#
+# Since: 8.0
+#
+# .. qmp-example::
+#
+#     -> { "execute": "xen-event-list" }
+#     <- { "return": [
+#             {
+#                 "pending": false,
+#                 "port": 1,
+#                 "vcpu": 1,
+#                 "remote-domain": "qemu",
+#                 "masked": false,
+#                 "type": "interdomain",
+#                 "target": 1
+#             },
+#             {
+#                 "pending": false,
+#                 "port": 2,
+#                 "vcpu": 0,
+#                 "remote-domain": "",
+#                 "masked": false,
+#                 "type": "virq",
+#                 "target": 0
+#             }
+#          ]
+#        }
+##
+{ 'command': 'xen-event-list',
+  'returns': ['EvtchnInfo'] }
+
+##
+# @xen-event-inject:
+#
+# Inject a Xen event channel port (interrupt) to the guest.
+#
+# @port: The port number
+#
+# Since: 8.0
+#
+# .. qmp-example::
+#
+#     -> { "execute": "xen-event-inject", "arguments": { "port": 1 } }
+#     <- { "return": { } }
+##
+{ 'command': 'xen-event-inject',
+  'data': { 'port': 'uint32' } }

qapi/misc-target.json

@@ -1,114 +1,3 @@
 # -*- Mode: Python -*-
 # vim: filetype=python
 #
-
-##
-# @EvtchnPortType:
-#
-# An enumeration of Xen event channel port types.
-#
-# @closed: The port is unused.
-#
-# @unbound: The port is allocated and ready to be bound.
-#
-# @interdomain: The port is connected as an interdomain interrupt.
-#
-# @pirq: The port is bound to a physical IRQ (PIRQ).
-#
-# @virq: The port is bound to a virtual IRQ (VIRQ).
-#
-# @ipi: The post is an inter-processor interrupt (IPI).
-#
-# Since: 8.0
-##
-{ 'enum': 'EvtchnPortType',
-  'data': ['closed', 'unbound', 'interdomain', 'pirq', 'virq', 'ipi'],
-  'if': 'TARGET_I386' }
-
-##
-# @EvtchnInfo:
-#
-# Information about a Xen event channel port
-#
-# @port: the port number
-#
-# @vcpu: target vCPU for this port
-#
-# @type: the port type
-#
-# @remote-domain: remote domain for interdomain ports
-#
-# @target: remote port ID, or virq/pirq number
-#
-# @pending: port is currently active pending delivery
-#
-# @masked: port is masked
-#
-# Since: 8.0
-##
-{ 'struct': 'EvtchnInfo',
-  'data': {'port': 'uint16',
-           'vcpu': 'uint32',
-           'type': 'EvtchnPortType',
-           'remote-domain': 'str',
-           'target': 'uint16',
-           'pending': 'bool',
-           'masked': 'bool'},
-  'if': 'TARGET_I386' }
-
-
-##
-# @xen-event-list:
-#
-# Query the Xen event channels opened by the guest.
-#
-# Returns: list of open event channel ports.
-#
-# Since: 8.0
-#
-# .. qmp-example::
-#
-#     -> { "execute": "xen-event-list" }
-#     <- { "return": [
-#             {
-#                 "pending": false,
-#                 "port": 1,
-#                 "vcpu": 1,
-#                 "remote-domain": "qemu",
-#                 "masked": false,
-#                 "type": "interdomain",
-#                 "target": 1
-#             },
-#             {
-#                 "pending": false,
-#                 "port": 2,
-#                 "vcpu": 0,
-#                 "remote-domain": "",
-#                 "masked": false,
-#                 "type": "virq",
-#                 "target": 0
-#             }
-#          ]
-#        }
-##
-{ 'command': 'xen-event-list',
-  'returns': ['EvtchnInfo'],
-  'if': 'TARGET_I386' }
-
-##
-# @xen-event-inject:
-#
-# Inject a Xen event channel port (interrupt) to the guest.
-#
-# @port: The port number
-#
-# Since: 8.0
-#
-# .. qmp-example::
-#
-#     -> { "execute": "xen-event-inject", "arguments": { "port": 1 } }
-#     <- { "return": { } }
-##
-{ 'command': 'xen-event-inject',
-  'data': { 'port': 'uint32' },
-  'if': 'TARGET_I386' }

stubs/meson.build

@@ -81,6 +81,7 @@ if have_system
   stub_ss.add(files('monitor-i386-rtc.c'))
   stub_ss.add(files('monitor-i386-sev.c'))
   stub_ss.add(files('monitor-i386-sgx.c'))
+  stub_ss.add(files('monitor-i386-xen.c'))
 endif
 
 if have_system or have_user

stubs/monitor-i386-xen.c

@@ -0,0 +1,16 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+
+#include "qemu/osdep.h"
+#include "qapi/error.h"
+#include "qapi/qapi-commands-misc-i386.h"
+
+EvtchnInfoList *qmp_xen_event_list(Error **errp)
+{
+    error_setg(errp, "Xen event channel emulation not enabled");
+    return NULL;
+}
+
+void qmp_xen_event_inject(uint32_t port, Error **errp)
+{
+    error_setg(errp, "Xen event channel emulation not enabled");
+}