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2023-10-04virtio: add vhost-user-base and a generic vhost-user-deviceAlex Bennée
In theory we shouldn't need to repeat so much boilerplate to support vhost-user backends. This provides a generic vhost-user-base QOM object and a derived vhost-user-device for which the user needs to provide the few bits of information that aren't currently provided by the vhost-user protocol. This should provide a baseline implementation from which the other vhost-user stub can specialise. Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Message-Id: <20230710153522.3469097-8-alex.bennee@linaro.org> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2023-10-04hw/virtio/meson: Rename softmmu_virtio_ss[] -> system_virtio_ss[]Philippe Mathieu-Daudé
Similarly to commit de6cd7599b ("meson: Replace softmmu_ss -> system_ss"), rename the virtio source set common to all system emulation as 'system_virtio_ss[]'. This is clearer because softmmu can be used for user emulation. Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20230710100510.84862-1-philmd@linaro.org> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2023-10-04hw/virtio: Build vhost-vdpa.o oncePhilippe Mathieu-Daudé
The previous commit removed the dependencies on the target-specific TARGET_PAGE_FOO macros. We can now move vhost-vdpa.c to the 'softmmu_virtio_ss' source set to build it once for all our targets. Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20230710100432.84819-1-philmd@linaro.org> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2023-07-12virtio-md-pci: New parent type for virtio-mem-pci and virtio-pmem-pciDavid Hildenbrand
Let's add a new abstract "virtio memory device" type, and use it as parent class of virtio-mem-pci and virtio-pmem-pci. Message-ID: <20230711153445.514112-2-david@redhat.com> Tested-by: Mario Casquero <mcasquer@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: David Hildenbrand <david@redhat.com>
2023-07-10hw/virtio: Add vhost-user-scmi-pci boilerplateMilan Zamazal
This allows is to instantiate a vhost-user-scmi device as part of a PCI bus. It is mostly boilerplate similar to the other vhost-user-*-pci boilerplates of similar devices. Signed-off-by: Milan Zamazal <mzamazal@redhat.com> Message-Id: <20230628100524.342666-3-mzamazal@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2023-07-10hw/virtio: Add boilerplate for vhost-user-scmi deviceMilan Zamazal
This creates the QEMU side of the vhost-user-scmi device which connects to the remote daemon. It is based on code of similar vhost-user devices. Signed-off-by: Milan Zamazal <mzamazal@redhat.com> Message-Id: <20230628100524.342666-2-mzamazal@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2023-06-23hw/virtio: Build various target-agnostic objects just oncePhilippe Mathieu-Daudé
The previous commit remove the unnecessary "virtio-access.h" header. These files no longer have target-specific dependency. Move them to the generic 'softmmu_ss' source set. Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Thomas Huth <thuth@redhat.com> Message-Id: <20230524093744.88442-11-philmd@linaro.org> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2023-06-23hw/virtio: Introduce VHOST_VSOCK_COMMON symbol in KconfigPhilippe Mathieu-Daudé
Instead of adding 'vhost-vsock-common.c' twice (for VHOST_VSOCK and VHOST_USER_VSOCK), have it depend on VHOST_VSOCK_COMMON, selected by both symbols. Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Thomas Huth <thuth@redhat.com> Message-Id: <20230524093744.88442-6-philmd@linaro.org> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Reviewed-by: Stefano Garzarella <sgarzare@redhat.com>
2023-06-20meson: Replace softmmu_ss -> system_ssPhilippe Mathieu-Daudé
We use the user_ss[] array to hold the user emulation sources, and the softmmu_ss[] array to hold the system emulation ones. Hold the latter in the 'system_ss[]' array for parity with user emulation. Mechanical change doing: $ sed -i -e s/softmmu_ss/system_ss/g $(git grep -l softmmu_ss) Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20230613133347.82210-10-philmd@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-02-04virtio: Move HMP commands from monitor/ to hw/virtio/Markus Armbruster
This moves these commands from MAINTAINERS section "Human Monitor (HMP)" to "virtio". Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-Id: <20230124121946.1139465-20-armbru@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
2022-12-21hw/virtio: Extract QMP related code virtio-qmp.cPhilippe Mathieu-Daudé
The monitor decoders are the only functions using the CONFIG_xxx definitions declared in the target specific CONFIG_DEVICES header. Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org> Message-Id: <20221213111707.34921-7-philmd@linaro.org> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Philippe Mathieu-Daudé <a class="moz-txt-link-rfc2396E" href="mailto:philmd@linaro.org">&lt;philmd@linaro.org&gt;</a>
2022-12-21hw/virtio: Extract config read/write accessors to virtio-config-io.cPhilippe Mathieu-Daudé
These config helpers use the target-dependent LD/ST API. Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org> Message-Id: <20221213111707.34921-6-philmd@linaro.org> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2022-12-21hw/virtio: Rename virtio_ss[] -> specific_virtio_ss[]Philippe Mathieu-Daudé
Since virtio_ss[] is added to specific_ss[], rename it as specific_virtio_ss[] to make it clearer. Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org> Message-Id: <20221213111707.34921-3-philmd@linaro.org> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2022-12-21vdpa: add vdpa-dev-pci supportLongpeng
Supports vdpa-dev-pci, we can use the device as follow: -device vhost-vdpa-device-pci,vhostdev=/dev/vhost-vdpa-X Reviewed-by: Stefano Garzarella <sgarzare@redhat.com> Acked-by: Jason Wang <jasowang@redhat.com> Signed-off-by: Longpeng <longpeng2@huawei.com> Message-Id: <20221215134944.2809-4-longpeng2@huawei.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2022-12-21vdpa: add vdpa-dev supportLongpeng
Supports vdpa-dev, we can use the deivce directly: -M microvm -m 512m -smp 2 -kernel ... -initrd ... -device \ vhost-vdpa-device,vhostdev=/dev/vhost-vdpa-x Reviewed-by: Stefano Garzarella <sgarzare@redhat.com> Acked-by: Jason Wang <jasowang@redhat.com> Signed-off-by: Longpeng <longpeng2@huawei.com> Message-Id: <20221215134944.2809-3-longpeng2@huawei.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2022-10-09qmp: add QMP command x-query-virtioLaurent Vivier
This new command lists all the instances of VirtIODevices with their canonical QOM path and name. [Jonah: @virtio_list duplicates information that already exists in the QOM composition tree. However, extracting necessary information from this tree seems to be a bit convoluted. Instead, we still create our own list of realized virtio devices but use @qmp_qom_get with the device's canonical QOM path to confirm that the device exists and is realized. If the device exists but is actually not realized, then we remove it from our list (for synchronicity to the QOM composition tree). Also, the QMP command @x-query-virtio is redundant as @qom-list and @qom-get are sufficient to search '/machine/' for realized virtio devices. However, @x-query-virtio is much more convenient in listing realized virtio devices.] Signed-off-by: Laurent Vivier <lvivier@redhat.com> Signed-off-by: Jonah Palmer <jonah.palmer@oracle.com> Message-Id: <1660220684-24909-2-git-send-email-jonah.palmer@oracle.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2022-10-07hw/virtio: add vhost-user-gpio-pci boilerplateViresh Kumar
This allows is to instantiate a vhost-user-gpio device as part of a PCI bus. It is mostly boilerplate which looks pretty similar to the vhost-user-fs-pci device. Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org> Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Message-Id: <5f560cab92d0d789b1c94295ec74b9952907d69d.1641987128.git.viresh.kumar@linaro.org> Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Message-Id: <20220802095010.3330793-14-alex.bennee@linaro.org> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2022-10-07hw/virtio: add boilerplate for vhost-user-gpio deviceViresh Kumar
This creates the QEMU side of the vhost-user-gpio device which connects to the remote daemon. It is based of vhost-user-i2c code. Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org> Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Message-Id: <5390324a748194a21bc99b1538e19761a8c64092.1641987128.git.viresh.kumar@linaro.org> [AJB: fixes for qtest, tweaks to feature bits] Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Cc: Vincent Whitchurch <vincent.whitchurch@axis.com> Message-Id: <20220802095010.3330793-13-alex.bennee@linaro.org> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2022-05-07meson: use have_vhost_* variables to pick sourcesPaolo Bonzini
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2022-05-07meson, virtio: place all virtio-pci devices under virtio_pci_ssPaolo Bonzini
Since a sourceset already exists for this, avoid unnecessary repeat of CONFIG_VIRTIO_PCI. Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2022-03-29virtio: fix --enable-vhost-user build on non-LinuxPaolo Bonzini
The vhost-shadow-virtqueue.c build requires include files from linux-headers/, so it cannot be built on non-Linux systems. Fortunately it is only needed by vhost-vdpa, so move it there. Acked-by: Eugenio Pérez <eperezma@redhat.com> Acked-by: Jason Wang <jasowang@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2022-03-15vhost: Add VhostIOVATreeEugenio Pérez
This tree is able to look for a translated address from an IOVA address. At first glance it is similar to util/iova-tree. However, SVQ working on devices with limited IOVA space need more capabilities, like allocating IOVA chunks or performing reverse translations (qemu addresses to iova). The allocation capability, as "assign a free IOVA address to this chunk of memory in qemu's address space" allows shadow virtqueue to create a new address space that is not restricted by guest's addressable one, so we can allocate shadow vqs vrings outside of it. It duplicates the tree so it can search efficiently in both directions, and it will signal overlap if iova or the translated address is present in any tree. Signed-off-by: Eugenio Pérez <eperezma@redhat.com> Acked-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Jason Wang <jasowang@redhat.com>
2022-03-15vhost: Add VhostShadowVirtqueueEugenio Pérez
Vhost shadow virtqueue (SVQ) is an intermediate jump for virtqueue notifications and buffers, allowing qemu to track them. While qemu is forwarding the buffers and virtqueue changes, it is able to commit the memory it's being dirtied, the same way regular qemu's VirtIO devices do. This commit only exposes basic SVQ allocation and free. Next patches of the series add functionality like notifications and buffers forwarding. Signed-off-by: Eugenio Pérez <eperezma@redhat.com> Acked-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Jason Wang <jasowang@redhat.com>
2021-10-20vhost-user-rng-pci: Add vhost-user-rng-pci implementationMathieu Poirier
This patch provides a PCI bus interface to the vhost-user-rng backend. Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org> Message-Id: <20211012205904.4106769-3-mathieu.poirier@linaro.org> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2021-10-20vhost-user-rng: Add vhost-user-rng implementationMathieu Poirier
Introduce a random number generator (RNG) backend that communicates with a vhost-user server to retrieve entropy. That way other VMM that comply with the vhost user protocl can use the same vhost-user daemon without having to write yet another RNG driver. Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org> Message-Id: <20211012205904.4106769-2-mathieu.poirier@linaro.org> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2021-07-16hw/virtio: add vhost-user-i2c-pci boilerplateViresh Kumar
This allows is to instantiate a vhost-user-i2c device as part of a PCI bus. It is mostly boilerplate which looks pretty similar to the vhost-user-fs-pci device. Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org> Message-Id: <8a083eaa57d93feaab12acd1f94b225879212f20.1625806763.git.viresh.kumar@linaro.org> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2021-07-16hw/virtio: add boilerplate for vhost-user-i2c deviceViresh Kumar
This creates the QEMU side of the vhost-user-i2c device which connects to the remote daemon. It is based of vhost-user-fs code. Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org> Message-Id: <e80591b52fea4b51631818bb92a798a3daf90399.1625806763.git.viresh.kumar@linaro.org> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2020-08-21meson: convert hw/virtioMarc-André Lureau
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
generated by cgit v1.2.3 (git 2.26.2) at 2025-03-16 12:58:09 +0000