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[83.57.170.65]) by smtp.gmail.com with ESMTPSA id l15sm9588855wrt.81.2020.09.10.08.23.04 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 10 Sep 2020 08:23:05 -0700 (PDT) From: =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Subject: [PATCH v4 7/9] qapi: Restrict device memory commands to machine code Date: Thu, 10 Sep 2020 17:22:23 +0200 Message-Id: <20200910152225.524322-8-philmd@redhat.com> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200910152225.524322-1-philmd@redhat.com> References: <20200910152225.524322-1-philmd@redhat.com> MIME-Version: 1.0 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=philmd@redhat.com X-Mimecast-Spam-Score: 0.003 X-Mimecast-Originator: redhat.com Received-SPF: pass client-ip=216.205.24.124; envelope-from=philmd@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/09/10 08:38:09 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H5=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=unavailable autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Kevin Wolf , =?utf-8?q?Daniel_P=2E_Berrang=C3=A9?= , Eduardo Habkost , Ben Warren , David Hildenbrand , Markus Armbruster , "Michael S. Tsirkin" , Peter Lieven , "Dr. David Alan Gilbert" , Max Reitz , Ronnie Sahlberg , Paolo Bonzini , Igor Mammedov , =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= , qemu-block@nongnu.org, Michael Roth , Richard Henderson Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Only qemu-system-FOO and qemu-storage-daemon provide QMP monitors, therefore such declarations and definitions are irrelevant for user-mode emulation. Restricting the memory commands to machine.json allows pulling less declarations/definitions to user-mode. Acked-by: Igor Mammedov Signed-off-by: Philippe Mathieu-Daudé --- qapi/machine.json | 216 +++++++++++++++++++++++++++++++ qapi/misc.json | 217 -------------------------------- include/hw/mem/memory-device.h | 2 +- include/hw/virtio/virtio-pmem.h | 2 +- hw/acpi/memory_hotplug.c | 1 + hw/virtio/virtio-mem-pci.c | 1 + 6 files changed, 220 insertions(+), 219 deletions(-) diff --git a/qapi/machine.json b/qapi/machine.json index eb3bf81d008..4fe9649f269 100644 --- a/qapi/machine.json +++ b/qapi/machine.json @@ -1067,3 +1067,219 @@ ## { 'event': 'BALLOON_CHANGE', 'data': { 'actual': 'int' } } + +## +# @MemoryInfo: +# +# Actual memory information in bytes. +# +# @base-memory: size of "base" memory specified with command line +# option -m. +# +# @plugged-memory: size of memory that can be hot-unplugged. This field +# is omitted if target doesn't support memory hotplug +# (i.e. CONFIG_MEM_DEVICE not defined at build time). +# +# Since: 2.11.0 +## +{ 'struct': 'MemoryInfo', + 'data' : { 'base-memory': 'size', '*plugged-memory': 'size' } } + +## +# @query-memory-size-summary: +# +# Return the amount of initially allocated and present hotpluggable (if +# enabled) memory in bytes. +# +# Example: +# +# -> { "execute": "query-memory-size-summary" } +# <- { "return": { "base-memory": 4294967296, "plugged-memory": 0 } } +# +# Since: 2.11.0 +## +{ 'command': 'query-memory-size-summary', 'returns': 'MemoryInfo' } + +## +# @PCDIMMDeviceInfo: +# +# PCDIMMDevice state information +# +# @id: device's ID +# +# @addr: physical address, where device is mapped +# +# @size: size of memory that the device provides +# +# @slot: slot number at which device is plugged in +# +# @node: NUMA node number where device is plugged in +# +# @memdev: memory backend linked with device +# +# @hotplugged: true if device was hotplugged +# +# @hotpluggable: true if device if could be added/removed while machine is running +# +# Since: 2.1 +## +{ 'struct': 'PCDIMMDeviceInfo', + 'data': { '*id': 'str', + 'addr': 'int', + 'size': 'int', + 'slot': 'int', + 'node': 'int', + 'memdev': 'str', + 'hotplugged': 'bool', + 'hotpluggable': 'bool' + } +} + +## +# @VirtioPMEMDeviceInfo: +# +# VirtioPMEM state information +# +# @id: device's ID +# +# @memaddr: physical address in memory, where device is mapped +# +# @size: size of memory that the device provides +# +# @memdev: memory backend linked with device +# +# Since: 4.1 +## +{ 'struct': 'VirtioPMEMDeviceInfo', + 'data': { '*id': 'str', + 'memaddr': 'size', + 'size': 'size', + 'memdev': 'str' + } +} + +## +# @VirtioMEMDeviceInfo: +# +# VirtioMEMDevice state information +# +# @id: device's ID +# +# @memaddr: physical address in memory, where device is mapped +# +# @requested-size: the user requested size of the device +# +# @size: the (current) size of memory that the device provides +# +# @max-size: the maximum size of memory that the device can provide +# +# @block-size: the block size of memory that the device provides +# +# @node: NUMA node number where device is assigned to +# +# @memdev: memory backend linked with the region +# +# Since: 5.1 +## +{ 'struct': 'VirtioMEMDeviceInfo', + 'data': { '*id': 'str', + 'memaddr': 'size', + 'requested-size': 'size', + 'size': 'size', + 'max-size': 'size', + 'block-size': 'size', + 'node': 'int', + 'memdev': 'str' + } +} + +## +# @MemoryDeviceInfo: +# +# Union containing information about a memory device +# +# nvdimm is included since 2.12. virtio-pmem is included since 4.1. +# virtio-mem is included since 5.1. +# +# Since: 2.1 +## +{ 'union': 'MemoryDeviceInfo', + 'data': { 'dimm': 'PCDIMMDeviceInfo', + 'nvdimm': 'PCDIMMDeviceInfo', + 'virtio-pmem': 'VirtioPMEMDeviceInfo', + 'virtio-mem': 'VirtioMEMDeviceInfo' + } +} + +## +# @query-memory-devices: +# +# Lists available memory devices and their state +# +# Since: 2.1 +# +# Example: +# +# -> { "execute": "query-memory-devices" } +# <- { "return": [ { "data": +# { "addr": 5368709120, +# "hotpluggable": true, +# "hotplugged": true, +# "id": "d1", +# "memdev": "/objects/memX", +# "node": 0, +# "size": 1073741824, +# "slot": 0}, +# "type": "dimm" +# } ] } +# +## +{ 'command': 'query-memory-devices', 'returns': ['MemoryDeviceInfo'] } + +## +# @MEMORY_DEVICE_SIZE_CHANGE: +# +# Emitted when the size of a memory device changes. Only emitted for memory +# devices that can actually change the size (e.g., virtio-mem due to guest +# action). +# +# @id: device's ID +# @size: the new size of memory that the device provides +# +# Note: this event is rate-limited. +# +# Since: 5.1 +# +# Example: +# +# <- { "event": "MEMORY_DEVICE_SIZE_CHANGE", +# "data": { "id": "vm0", "size": 1073741824}, +# "timestamp": { "seconds": 1588168529, "microseconds": 201316 } } +# +## +{ 'event': 'MEMORY_DEVICE_SIZE_CHANGE', + 'data': { '*id': 'str', 'size': 'size' } } + + +## +# @MEM_UNPLUG_ERROR: +# +# Emitted when memory hot unplug error occurs. +# +# @device: device name +# +# @msg: Informative message +# +# Since: 2.4 +# +# Example: +# +# <- { "event": "MEM_UNPLUG_ERROR" +# "data": { "device": "dimm1", +# "msg": "acpi: device unplug for unsupported device" +# }, +# "timestamp": { "seconds": 1265044230, "microseconds": 450486 } } +# +## +{ 'event': 'MEM_UNPLUG_ERROR', + 'data': { 'device': 'str', 'msg': 'str' } } diff --git a/qapi/misc.json b/qapi/misc.json index 05db6295fe0..71d11365ead 100644 --- a/qapi/misc.json +++ b/qapi/misc.json @@ -826,39 +826,6 @@ ## { 'command': 'closefd', 'data': {'fdname': 'str'} } -## -# @MemoryInfo: -# -# Actual memory information in bytes. -# -# @base-memory: size of "base" memory specified with command line -# option -m. -# -# @plugged-memory: size of memory that can be hot-unplugged. This field -# is omitted if target doesn't support memory hotplug -# (i.e. CONFIG_MEM_DEVICE not defined at build time). -# -# Since: 2.11.0 -## -{ 'struct': 'MemoryInfo', - 'data' : { 'base-memory': 'size', '*plugged-memory': 'size' } } - -## -# @query-memory-size-summary: -# -# Return the amount of initially allocated and present hotpluggable (if -# enabled) memory in bytes. -# -# Example: -# -# -> { "execute": "query-memory-size-summary" } -# <- { "return": { "base-memory": 4294967296, "plugged-memory": 0 } } -# -# Since: 2.11.0 -## -{ 'command': 'query-memory-size-summary', 'returns': 'MemoryInfo' } - - ## # @AddfdInfo: # @@ -1154,190 +1121,6 @@ 'returns': ['CommandLineOptionInfo'], 'allow-preconfig': true } -## -# @PCDIMMDeviceInfo: -# -# PCDIMMDevice state information -# -# @id: device's ID -# -# @addr: physical address, where device is mapped -# -# @size: size of memory that the device provides -# -# @slot: slot number at which device is plugged in -# -# @node: NUMA node number where device is plugged in -# -# @memdev: memory backend linked with device -# -# @hotplugged: true if device was hotplugged -# -# @hotpluggable: true if device if could be added/removed while machine is running -# -# Since: 2.1 -## -{ 'struct': 'PCDIMMDeviceInfo', - 'data': { '*id': 'str', - 'addr': 'int', - 'size': 'int', - 'slot': 'int', - 'node': 'int', - 'memdev': 'str', - 'hotplugged': 'bool', - 'hotpluggable': 'bool' - } -} - -## -# @VirtioPMEMDeviceInfo: -# -# VirtioPMEM state information -# -# @id: device's ID -# -# @memaddr: physical address in memory, where device is mapped -# -# @size: size of memory that the device provides -# -# @memdev: memory backend linked with device -# -# Since: 4.1 -## -{ 'struct': 'VirtioPMEMDeviceInfo', - 'data': { '*id': 'str', - 'memaddr': 'size', - 'size': 'size', - 'memdev': 'str' - } -} - -## -# @VirtioMEMDeviceInfo: -# -# VirtioMEMDevice state information -# -# @id: device's ID -# -# @memaddr: physical address in memory, where device is mapped -# -# @requested-size: the user requested size of the device -# -# @size: the (current) size of memory that the device provides -# -# @max-size: the maximum size of memory that the device can provide -# -# @block-size: the block size of memory that the device provides -# -# @node: NUMA node number where device is assigned to -# -# @memdev: memory backend linked with the region -# -# Since: 5.1 -## -{ 'struct': 'VirtioMEMDeviceInfo', - 'data': { '*id': 'str', - 'memaddr': 'size', - 'requested-size': 'size', - 'size': 'size', - 'max-size': 'size', - 'block-size': 'size', - 'node': 'int', - 'memdev': 'str' - } -} - -## -# @MemoryDeviceInfo: -# -# Union containing information about a memory device -# -# nvdimm is included since 2.12. virtio-pmem is included since 4.1. -# virtio-mem is included since 5.1. -# -# Since: 2.1 -## -{ 'union': 'MemoryDeviceInfo', - 'data': { 'dimm': 'PCDIMMDeviceInfo', - 'nvdimm': 'PCDIMMDeviceInfo', - 'virtio-pmem': 'VirtioPMEMDeviceInfo', - 'virtio-mem': 'VirtioMEMDeviceInfo' - } -} - -## -# @query-memory-devices: -# -# Lists available memory devices and their state -# -# Since: 2.1 -# -# Example: -# -# -> { "execute": "query-memory-devices" } -# <- { "return": [ { "data": -# { "addr": 5368709120, -# "hotpluggable": true, -# "hotplugged": true, -# "id": "d1", -# "memdev": "/objects/memX", -# "node": 0, -# "size": 1073741824, -# "slot": 0}, -# "type": "dimm" -# } ] } -# -## -{ 'command': 'query-memory-devices', 'returns': ['MemoryDeviceInfo'] } - -## -# @MEMORY_DEVICE_SIZE_CHANGE: -# -# Emitted when the size of a memory device changes. Only emitted for memory -# devices that can actually change the size (e.g., virtio-mem due to guest -# action). -# -# @id: device's ID -# @size: the new size of memory that the device provides -# -# Note: this event is rate-limited. -# -# Since: 5.1 -# -# Example: -# -# <- { "event": "MEMORY_DEVICE_SIZE_CHANGE", -# "data": { "id": "vm0", "size": 1073741824}, -# "timestamp": { "seconds": 1588168529, "microseconds": 201316 } } -# -## -{ 'event': 'MEMORY_DEVICE_SIZE_CHANGE', - 'data': { '*id': 'str', 'size': 'size' } } - - -## -# @MEM_UNPLUG_ERROR: -# -# Emitted when memory hot unplug error occurs. -# -# @device: device name -# -# @msg: Informative message -# -# Since: 2.4 -# -# Example: -# -# <- { "event": "MEM_UNPLUG_ERROR" -# "data": { "device": "dimm1", -# "msg": "acpi: device unplug for unsupported device" -# }, -# "timestamp": { "seconds": 1265044230, "microseconds": 450486 } } -# -## -{ 'event': 'MEM_UNPLUG_ERROR', - 'data': { 'device': 'str', 'msg': 'str' } } - ## # @ACPISlotType: # diff --git a/include/hw/mem/memory-device.h b/include/hw/mem/memory-device.h index 04476acb8fa..afa87a97140 100644 --- a/include/hw/mem/memory-device.h +++ b/include/hw/mem/memory-device.h @@ -14,7 +14,7 @@ #define MEMORY_DEVICE_H #include "hw/qdev-core.h" -#include "qapi/qapi-types-misc.h" +#include "qapi/qapi-types-machine.h" #include "qom/object.h" #define TYPE_MEMORY_DEVICE "memory-device" diff --git a/include/hw/virtio/virtio-pmem.h b/include/hw/virtio/virtio-pmem.h index 33f1999320a..72863412b28 100644 --- a/include/hw/virtio/virtio-pmem.h +++ b/include/hw/virtio/virtio-pmem.h @@ -15,7 +15,7 @@ #define HW_VIRTIO_PMEM_H #include "hw/virtio/virtio.h" -#include "qapi/qapi-types-misc.h" +#include "qapi/qapi-types-machine.h" #define TYPE_VIRTIO_PMEM "virtio-pmem" diff --git a/hw/acpi/memory_hotplug.c b/hw/acpi/memory_hotplug.c index 8d2e82240ff..dfe57af4292 100644 --- a/hw/acpi/memory_hotplug.c +++ b/hw/acpi/memory_hotplug.c @@ -7,6 +7,7 @@ #include "migration/vmstate.h" #include "trace.h" #include "qapi/error.h" +#include "qapi/qapi-events-machine.h" #include "qapi/qapi-events-misc.h" #define MEMORY_SLOTS_NUMBER "MDNR" diff --git a/hw/virtio/virtio-mem-pci.c b/hw/virtio/virtio-mem-pci.c index 590cec041b4..913f4a33260 100644 --- a/hw/virtio/virtio-mem-pci.c +++ b/hw/virtio/virtio-mem-pci.c @@ -14,6 +14,7 @@ #include "virtio-mem-pci.h" #include "hw/mem/memory-device.h" #include "qapi/error.h" +#include "qapi/qapi-events-machine.h" #include "qapi/qapi-events-misc.h" static void virtio_mem_pci_realize(VirtIOPCIProxy *vpci_dev, Error **errp)