From: "Michael S. Tsirkin" <mst@redhat.com>
To: qemu-devel@nongnu.org
Cc: Peter Maydell <peter.maydell@linaro.org>,
Mathieu Poirier <mathieu.poirier@linaro.org>
Subject: [PULL 08/23] vhost-user-rng-pci: Add vhost-user-rng-pci implementation
Date: Tue, 13 Jul 2021 18:10:29 -0400 [thread overview]
Message-ID: <20210713220946.212562-9-mst@redhat.com> (raw)
In-Reply-To: <20210713220946.212562-1-mst@redhat.com>
From: Mathieu Poirier <mathieu.poirier@linaro.org>
This patch provides a PCI bus interface to the vhost-user-rng backed.
The implentation is similar to what was done for vhost-user-i2c-pci and
vhost-user-fs-pci.
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Message-Id: <20210710005929.1702431-3-mathieu.poirier@linaro.org>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
---
hw/virtio/vhost-user-rng-pci.c | 79 ++++++++++++++++++++++++++++++++++
hw/virtio/meson.build | 1 +
2 files changed, 80 insertions(+)
create mode 100644 hw/virtio/vhost-user-rng-pci.c
diff --git a/hw/virtio/vhost-user-rng-pci.c b/hw/virtio/vhost-user-rng-pci.c
new file mode 100644
index 0000000000..ffff2de39f
--- /dev/null
+++ b/hw/virtio/vhost-user-rng-pci.c
@@ -0,0 +1,79 @@
+/*
+ * Vhost-user RNG virtio device PCI glue
+ *
+ * Copyright (c) 2021 Mathieu Poirier <mathieu.poirier@linaro.org>
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
+#include "qemu/osdep.h"
+#include "hw/qdev-properties.h"
+#include "hw/virtio/vhost-user-rng.h"
+#include "virtio-pci.h"
+
+struct VHostUserRNGPCI {
+ VirtIOPCIProxy parent_obj;
+ VHostUserRNG vdev;
+};
+
+typedef struct VHostUserRNGPCI VHostUserRNGPCI;
+
+#define TYPE_VHOST_USER_RNG_PCI "vhost-user-rng-pci-base"
+
+DECLARE_INSTANCE_CHECKER(VHostUserRNGPCI, VHOST_USER_RNG_PCI,
+ TYPE_VHOST_USER_RNG_PCI)
+
+static Property vhost_user_rng_pci_properties[] = {
+ DEFINE_PROP_UINT32("vectors", VirtIOPCIProxy, nvectors,
+ DEV_NVECTORS_UNSPECIFIED),
+ DEFINE_PROP_END_OF_LIST(),
+};
+
+static void vhost_user_rng_pci_realize(VirtIOPCIProxy *vpci_dev, Error **errp)
+{
+ VHostUserRNGPCI *dev = VHOST_USER_RNG_PCI(vpci_dev);
+ DeviceState *vdev = DEVICE(&dev->vdev);
+
+ if (vpci_dev->nvectors == DEV_NVECTORS_UNSPECIFIED) {
+ vpci_dev->nvectors = 1;
+ }
+
+ qdev_realize(vdev, BUS(&vpci_dev->bus), errp);
+}
+
+static void vhost_user_rng_pci_class_init(ObjectClass *klass, void *data)
+{
+ DeviceClass *dc = DEVICE_CLASS(klass);
+ VirtioPCIClass *k = VIRTIO_PCI_CLASS(klass);
+ PCIDeviceClass *pcidev_k = PCI_DEVICE_CLASS(klass);
+ k->realize = vhost_user_rng_pci_realize;
+ set_bit(DEVICE_CATEGORY_INPUT, dc->categories);
+ device_class_set_props(dc, vhost_user_rng_pci_properties);
+ pcidev_k->vendor_id = PCI_VENDOR_ID_REDHAT_QUMRANET;
+ pcidev_k->device_id = 0; /* Set by virtio-pci based on virtio id */
+ pcidev_k->revision = 0x00;
+ pcidev_k->class_id = PCI_CLASS_COMMUNICATION_OTHER;
+}
+
+static void vhost_user_rng_pci_instance_init(Object *obj)
+{
+ VHostUserRNGPCI *dev = VHOST_USER_RNG_PCI(obj);
+
+ virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev),
+ TYPE_VHOST_USER_RNG);
+}
+
+static const VirtioPCIDeviceTypeInfo vhost_user_rng_pci_info = {
+ .base_name = TYPE_VHOST_USER_RNG_PCI,
+ .non_transitional_name = "vhost-user-rng-pci",
+ .instance_size = sizeof(VHostUserRNGPCI),
+ .instance_init = vhost_user_rng_pci_instance_init,
+ .class_init = vhost_user_rng_pci_class_init,
+};
+
+static void vhost_user_rng_pci_register(void)
+{
+ virtio_pci_types_register(&vhost_user_rng_pci_info);
+}
+
+type_init(vhost_user_rng_pci_register);
diff --git a/hw/virtio/meson.build b/hw/virtio/meson.build
index e386791f2a..1430b370e6 100644
--- a/hw/virtio/meson.build
+++ b/hw/virtio/meson.build
@@ -26,6 +26,7 @@ virtio_ss.add(when: 'CONFIG_VIRTIO_RNG', if_true: files('virtio-rng.c'))
virtio_ss.add(when: 'CONFIG_VIRTIO_IOMMU', if_true: files('virtio-iommu.c'))
virtio_ss.add(when: 'CONFIG_VIRTIO_MEM', if_true: files('virtio-mem.c'))
virtio_ss.add(when: 'CONFIG_VHOST_USER_RNG', if_true: files('vhost-user-rng.c'))
+virtio_ss.add(when: ['CONFIG_VHOST_USER_RNG', 'CONFIG_VIRTIO_PCI'], if_true: files('vhost-user-rng-pci.c'))
virtio_pci_ss = ss.source_set()
virtio_pci_ss.add(when: 'CONFIG_VHOST_VSOCK', if_true: files('vhost-vsock-pci.c'))
--
MST
next prev parent reply other threads:[~2021-07-13 22:14 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-07-13 22:10 [PULL 00/23] pc,pci,virtio: lots of new features Michael S. Tsirkin
2021-07-13 22:10 ` [PULL 01/23] hw/i386/acpi-build: Add ACPI PCI hot-plug methods to Q35 Michael S. Tsirkin
2021-07-13 22:10 ` [PULL 02/23] hw/acpi/ich9: Enable ACPI PCI hot-plug Michael S. Tsirkin
2021-07-13 22:10 ` [PULL 03/23] hw/pci/pcie: Do not set HPC flag if acpihp is used Michael S. Tsirkin
2021-07-13 22:10 ` [PULL 04/23] bios-tables-test: Allow changes in DSDT ACPI tables Michael S. Tsirkin
2021-07-13 22:10 ` [PULL 05/23] hw/acpi/ich9: Set ACPI PCI hot-plug as default on Q35 Michael S. Tsirkin
2021-07-13 22:10 ` [PULL 06/23] bios-tables-test: Update golden binaries Michael S. Tsirkin
2021-07-13 22:10 ` [PULL 07/23] vhost-user-rng: Add vhost-user-rng implementation Michael S. Tsirkin
2021-07-13 22:10 ` Michael S. Tsirkin [this message]
2021-07-13 22:10 ` [PULL 09/23] vhost-user-rng: backend: Add RNG vhost-user daemon implementation Michael S. Tsirkin
2021-07-13 22:10 ` [PULL 10/23] docs: Add documentation for vhost based RNG implementation Michael S. Tsirkin
2021-07-13 22:10 ` [PULL 11/23] hw/virtio: add boilerplate for vhost-user-i2c device Michael S. Tsirkin
2021-07-13 22:10 ` [PULL 12/23] hw/virtio: add vhost-user-i2c-pci boilerplate Michael S. Tsirkin
2021-07-13 22:10 ` [PULL 13/23] docs: Add '-device intel-iommu' entry Michael S. Tsirkin
2021-07-13 22:10 ` [PULL 14/23] hw/pci/pci_host: Allow PCI host to bypass iommu Michael S. Tsirkin
2021-07-13 22:10 ` [PULL 15/23] hw/pxb: Add a bypass iommu property Michael S. Tsirkin
2021-07-13 22:10 ` [PULL 16/23] hw/arm/virt: Add default_bus_bypass_iommu machine option Michael S. Tsirkin
2021-07-13 22:10 ` [PULL 17/23] hw/i386: Add a default_bus_bypass_iommu pc " Michael S. Tsirkin
2021-07-13 22:11 ` [PULL 18/23] hw/pci: Add pci_bus_range() to get PCI bus number range Michael S. Tsirkin
2021-07-13 22:11 ` [PULL 19/23] hw/arm/virt-acpi-build: Add IORT support to bypass SMMUv3 Michael S. Tsirkin
2021-07-13 22:11 ` [PULL 20/23] hw/i386/acpi-build: Add DMAR support to bypass iommu Michael S. Tsirkin
2021-07-13 22:11 ` [PULL 21/23] hw/i386/acpi-build: Add IVRS " Michael S. Tsirkin
2021-07-13 22:11 ` [PULL 22/23] docs: Add documentation for iommu bypass Michael S. Tsirkin
2021-07-13 22:11 ` [PULL 23/23] vhost-vsock: SOCK_SEQPACKET feature bit support Michael S. Tsirkin
2021-07-14 20:31 ` [PULL 00/23] pc,pci,virtio: lots of new features Peter Maydell
2021-07-15 8:54 ` Marcel Apfelbaum
2021-07-15 14:38 ` Michael S. Tsirkin
2021-07-15 21:21 ` Michael S. Tsirkin
2021-07-16 6:41 ` Peter Maydell
2021-07-16 8:41 ` Michael S. Tsirkin
2021-07-16 14:12 ` Peter Maydell
2021-07-16 15:09 ` Michael S. Tsirkin
2021-07-16 15:13 ` Michael S. Tsirkin
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