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.ben...@linaro.org>
Signed-off-by: Viresh Kumar <viresh.ku...@linaro.org>
---
hw/virtio/meson.build | 1 +
hw/virtio/vhost-user-i2c-pci.c | 69 ++++++++++++++++++++++++++++++++++
2 files changed, 70 insertions(+)
create mode 100644 hw/virtio/vhost-user-i2c-pci.c
diff --git a/hw/virtio/meson.build b/hw/virtio/meson.build
index 1a0d736a0db5..bc352a600911 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_I2C', if_true:
files('vhost-user-i2c.c'))
+virtio_ss.add(when: ['CONFIG_VIRTIO_PCI', 'CONFIG_VHOST_USER_I2C'], if_true:
files('vhost-user-i2c-pci.c'))
virtio_pci_ss = ss.source_set()
virtio_pci_ss.add(when: 'CONFIG_VHOST_VSOCK', if_true:
files('vhost-vsock-pci.c'))
diff --git a/hw/virtio/vhost-user-i2c-pci.c b/hw/virtio/vhost-user-i2c-pci.c
new file mode 100644
index 000000000000..70b7b65fd970
--- /dev/null
+++ b/hw/virtio/vhost-user-i2c-pci.c
@@ -0,0 +1,69 @@
+/*
+ * Vhost-user i2c virtio device PCI glue
+ *
+ * Copyright (c) 2021 Viresh Kumar <viresh.ku...@linaro.org>
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
+#include "qemu/osdep.h"
+#include "hw/qdev-properties.h"
+#include "hw/virtio/vhost-user-i2c.h"
+#include "virtio-pci.h"
+
+struct VHostUserI2CPCI {
+ VirtIOPCIProxy parent_obj;
+ VHostUserI2C vdev;
+};
+
+typedef struct VHostUserI2CPCI VHostUserI2CPCI;
+
+#define TYPE_VHOST_USER_I2C_PCI "vhost-user-i2c-pci-base"
+
+DECLARE_INSTANCE_CHECKER(VHostUserI2CPCI, VHOST_USER_I2C_PCI,
+ TYPE_VHOST_USER_I2C_PCI)
+
+static void vhost_user_i2c_pci_realize(VirtIOPCIProxy *vpci_dev, Error **errp)
+{
+ VHostUserI2CPCI *dev = VHOST_USER_I2C_PCI(vpci_dev);
+ DeviceState *vdev = DEVICE(&dev->vdev);
+
+ vpci_dev->nvectors = 1;
+ qdev_realize(vdev, BUS(&vpci_dev->bus), errp);
+}
+
+static void vhost_user_i2c_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_i2c_pci_realize;
+ set_bit(DEVICE_CATEGORY_INPUT, dc->categories);
+ 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_i2c_pci_instance_init(Object *obj)
+{
+ VHostUserI2CPCI *dev = VHOST_USER_I2C_PCI(obj);
+
+ virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev),
+ TYPE_VHOST_USER_I2C);
+}
+
+static const VirtioPCIDeviceTypeInfo vhost_user_i2c_pci_info = {
+ .base_name = TYPE_VHOST_USER_I2C_PCI,
+ .non_transitional_name = "vhost-user-i2c-pci",
+ .instance_size = sizeof(VHostUserI2CPCI),
+ .instance_init = vhost_user_i2c_pci_instance_init,
+ .class_init = vhost_user_i2c_pci_class_init,
+};
+
+static void vhost_user_i2c_pci_register(void)
+{
+ virtio_pci_types_register(&vhost_user_i2c_pci_info);
+}
+
+type_init(vhost_user_i2c_pci_register);
--
2.31.1.272.g89b43f80a514
