132 lines
4.0 KiB
Diff
132 lines
4.0 KiB
Diff
From 1545a60a8b78490c7dc8909b7012bca63dba63cd Mon Sep 17 00:00:00 2001
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From: Jinhua Cao <caojinhua1@huawei.com>
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Date: Sat, 12 Feb 2022 15:41:08 +0800
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Subject: [PATCH] qmp: add command to query used memslots of vhost-net and
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vhost-user
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Signed-off-by: Jinhua Cao <caojinhua1@huawei.com>
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---
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hw/virtio/vhost-backend.c | 2 +-
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hw/virtio/vhost-user.c | 2 +-
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include/hw/virtio/vhost-backend.h | 2 ++
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monitor/qmp-cmds.c | 12 ++++++++++++
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qapi/net.json | 18 ++++++++++++++++++
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qapi/pragma.json | 4 +++-
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6 files changed, 37 insertions(+), 3 deletions(-)
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diff --git a/hw/virtio/vhost-backend.c b/hw/virtio/vhost-backend.c
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index 2acfb750fd..d8e1710758 100644
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--- a/hw/virtio/vhost-backend.c
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+++ b/hw/virtio/vhost-backend.c
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@@ -300,7 +300,7 @@ static void vhost_kernel_set_used_memslots(struct vhost_dev *dev)
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vhost_kernel_used_memslots = dev->mem->nregions;
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}
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-static unsigned int vhost_kernel_get_used_memslots(void)
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+unsigned int vhost_kernel_get_used_memslots(void)
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{
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return vhost_kernel_used_memslots;
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}
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diff --git a/hw/virtio/vhost-user.c b/hw/virtio/vhost-user.c
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index 176cae9244..8f69a3b850 100644
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--- a/hw/virtio/vhost-user.c
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+++ b/hw/virtio/vhost-user.c
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@@ -2544,7 +2544,7 @@ static void vhost_user_set_used_memslots(struct vhost_dev *dev)
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vhost_user_used_memslots = counter;
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}
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-static unsigned int vhost_user_get_used_memslots(void)
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+unsigned int vhost_user_get_used_memslots(void)
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{
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return vhost_user_used_memslots;
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}
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diff --git a/include/hw/virtio/vhost-backend.h b/include/hw/virtio/vhost-backend.h
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index a64708f456..7bbc658161 100644
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--- a/include/hw/virtio/vhost-backend.h
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+++ b/include/hw/virtio/vhost-backend.h
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@@ -190,4 +190,6 @@ int vhost_backend_handle_iotlb_msg(struct vhost_dev *dev,
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int vhost_user_gpu_set_socket(struct vhost_dev *dev, int fd);
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+unsigned int vhost_kernel_get_used_memslots(void);
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+unsigned int vhost_user_get_used_memslots(void);
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#endif /* VHOST_BACKEND_H */
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diff --git a/monitor/qmp-cmds.c b/monitor/qmp-cmds.c
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index 98868cee03..f3e80ec8a7 100644
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--- a/monitor/qmp-cmds.c
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+++ b/monitor/qmp-cmds.c
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@@ -36,6 +36,7 @@
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#include "qapi/qapi-commands-machine.h"
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#include "qapi/qapi-commands-misc.h"
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#include "qapi/qapi-commands-ui.h"
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+#include "qapi/qapi-commands-net.h"
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#include "qapi/type-helpers.h"
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#include "qapi/qmp/qerror.h"
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#include "exec/ramlist.h"
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@@ -43,6 +44,7 @@
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#include "hw/acpi/acpi_dev_interface.h"
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#include "hw/intc/intc.h"
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#include "hw/rdma/rdma.h"
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+#include "hw/virtio/vhost-backend.h"
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NameInfo *qmp_query_name(Error **errp)
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{
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@@ -471,3 +473,13 @@ int64_t qmp_query_rtc_date_diff(Error **errp)
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{
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return get_rtc_date_diff();
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}
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+
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+uint32_t qmp_query_vhost_kernel_used_memslots(Error **errp)
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+{
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+ return vhost_kernel_get_used_memslots();
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+}
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+
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+uint32_t qmp_query_vhost_user_used_memslots(Error **errp)
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+{
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+ return vhost_user_get_used_memslots();
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+}
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diff --git a/qapi/net.json b/qapi/net.json
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index 7fab2e7cd8..c9ff849eed 100644
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--- a/qapi/net.json
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+++ b/qapi/net.json
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@@ -696,3 +696,21 @@
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##
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{ 'event': 'FAILOVER_NEGOTIATED',
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'data': {'device-id': 'str'} }
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+
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+##
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+# @query-vhost-kernel-used-memslots:
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+#
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+# Get vhost-kernel nic used memslots
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+#
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+# Since: 4.1
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+##
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+{ 'command': 'query-vhost-kernel-used-memslots', 'returns': 'uint32' }
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+
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+##
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+# @query-vhost-user-used-memslots:
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+#
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+# Get vhost-user nic used memslots
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+#
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+# Since: 4.1
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+##
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+{ 'command': 'query-vhost-user-used-memslots', 'returns': 'uint32' }
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diff --git a/qapi/pragma.json b/qapi/pragma.json
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index b37f6de445..d35c897acb 100644
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--- a/qapi/pragma.json
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+++ b/qapi/pragma.json
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@@ -27,7 +27,9 @@
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'query-tpm-models',
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'query-tpm-types',
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'ringbuf-read',
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- 'query-rtc-date-diff' ],
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+ 'query-rtc-date-diff',
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+ 'query-vhost-user-used-memslots',
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+ 'query-vhost-kernel-used-memslots' ],
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# Externally visible types whose member names may use uppercase
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'member-name-exceptions': [ # visible in:
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'ACPISlotType', # query-acpi-ospm-status
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--
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2.27.0
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