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-rw-r--r--hw/virtio/Makefile.objs1
-rw-r--r--hw/virtio/virtio-pmem-pci.c131
-rw-r--r--hw/virtio/virtio-pmem-pci.h34
-rw-r--r--include/hw/pci/pci.h1
4 files changed, 167 insertions, 0 deletions
diff --git a/hw/virtio/Makefile.objs b/hw/virtio/Makefile.objs
index 5857e3b8e1..964ce78607 100644
--- a/hw/virtio/Makefile.objs
+++ b/hw/virtio/Makefile.objs
@@ -13,6 +13,7 @@ obj-$(CONFIG_VIRTIO_BALLOON) += virtio-balloon.o
obj-$(CONFIG_VIRTIO_CRYPTO) += virtio-crypto.o
obj-$(call land,$(CONFIG_VIRTIO_CRYPTO),$(CONFIG_VIRTIO_PCI)) += virtio-crypto-pci.o
obj-$(CONFIG_VIRTIO_PMEM) += virtio-pmem.o
+common-obj-$(call land,$(CONFIG_VIRTIO_PMEM),$(CONFIG_VIRTIO_PCI)) += virtio-pmem-pci.o
obj-$(CONFIG_VHOST_VSOCK) += vhost-vsock.o
ifeq ($(CONFIG_VIRTIO_PCI),y)
diff --git a/hw/virtio/virtio-pmem-pci.c b/hw/virtio/virtio-pmem-pci.c
new file mode 100644
index 0000000000..8b2d0dbccc
--- /dev/null
+++ b/hw/virtio/virtio-pmem-pci.c
@@ -0,0 +1,131 @@
+/*
+ * Virtio PMEM PCI device
+ *
+ * Copyright (C) 2018-2019 Red Hat, Inc.
+ *
+ * Authors:
+ * Pankaj Gupta <pagupta@redhat.com>
+ * David Hildenbrand <david@redhat.com>
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2.
+ * See the COPYING file in the top-level directory.
+ */
+
+#include "qemu/osdep.h"
+
+#include "virtio-pmem-pci.h"
+#include "hw/mem/memory-device.h"
+#include "qapi/error.h"
+
+static void virtio_pmem_pci_realize(VirtIOPCIProxy *vpci_dev, Error **errp)
+{
+ VirtIOPMEMPCI *pmem_pci = VIRTIO_PMEM_PCI(vpci_dev);
+ DeviceState *vdev = DEVICE(&pmem_pci->vdev);
+
+ qdev_set_parent_bus(vdev, BUS(&vpci_dev->bus));
+ object_property_set_bool(OBJECT(vdev), true, "realized", errp);
+}
+
+static void virtio_pmem_pci_set_addr(MemoryDeviceState *md, uint64_t addr,
+ Error **errp)
+{
+ object_property_set_uint(OBJECT(md), addr, VIRTIO_PMEM_ADDR_PROP, errp);
+}
+
+static uint64_t virtio_pmem_pci_get_addr(const MemoryDeviceState *md)
+{
+ return object_property_get_uint(OBJECT(md), VIRTIO_PMEM_ADDR_PROP,
+ &error_abort);
+}
+
+static MemoryRegion *virtio_pmem_pci_get_memory_region(MemoryDeviceState *md,
+ Error **errp)
+{
+ VirtIOPMEMPCI *pci_pmem = VIRTIO_PMEM_PCI(md);
+ VirtIOPMEM *pmem = VIRTIO_PMEM(&pci_pmem->vdev);
+ VirtIOPMEMClass *vpc = VIRTIO_PMEM_GET_CLASS(pmem);
+
+ return vpc->get_memory_region(pmem, errp);
+}
+
+static uint64_t virtio_pmem_pci_get_plugged_size(const MemoryDeviceState *md,
+ Error **errp)
+{
+ VirtIOPMEMPCI *pci_pmem = VIRTIO_PMEM_PCI(md);
+ VirtIOPMEM *pmem = VIRTIO_PMEM(&pci_pmem->vdev);
+ VirtIOPMEMClass *vpc = VIRTIO_PMEM_GET_CLASS(pmem);
+ MemoryRegion *mr = vpc->get_memory_region(pmem, errp);
+
+ /* the plugged size corresponds to the region size */
+ return mr ? 0 : memory_region_size(mr);
+}
+
+static void virtio_pmem_pci_fill_device_info(const MemoryDeviceState *md,
+ MemoryDeviceInfo *info)
+{
+ VirtioPMEMDeviceInfo *vi = g_new0(VirtioPMEMDeviceInfo, 1);
+ VirtIOPMEMPCI *pci_pmem = VIRTIO_PMEM_PCI(md);
+ VirtIOPMEM *pmem = VIRTIO_PMEM(&pci_pmem->vdev);
+ VirtIOPMEMClass *vpc = VIRTIO_PMEM_GET_CLASS(pmem);
+ DeviceState *dev = DEVICE(md);
+
+ if (dev->id) {
+ vi->has_id = true;
+ vi->id = g_strdup(dev->id);
+ }
+
+ /* let the real device handle everything else */
+ vpc->fill_device_info(pmem, vi);
+
+ info->u.virtio_pmem.data = vi;
+ info->type = MEMORY_DEVICE_INFO_KIND_VIRTIO_PMEM;
+}
+
+static void virtio_pmem_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);
+ MemoryDeviceClass *mdc = MEMORY_DEVICE_CLASS(klass);
+
+ k->realize = virtio_pmem_pci_realize;
+ set_bit(DEVICE_CATEGORY_MISC, dc->categories);
+ pcidev_k->vendor_id = PCI_VENDOR_ID_REDHAT_QUMRANET;
+ pcidev_k->device_id = PCI_DEVICE_ID_VIRTIO_PMEM;
+ pcidev_k->revision = VIRTIO_PCI_ABI_VERSION;
+ pcidev_k->class_id = PCI_CLASS_OTHERS;
+
+ mdc->get_addr = virtio_pmem_pci_get_addr;
+ mdc->set_addr = virtio_pmem_pci_set_addr;
+ mdc->get_plugged_size = virtio_pmem_pci_get_plugged_size;
+ mdc->get_memory_region = virtio_pmem_pci_get_memory_region;
+ mdc->fill_device_info = virtio_pmem_pci_fill_device_info;
+}
+
+static void virtio_pmem_pci_instance_init(Object *obj)
+{
+ VirtIOPMEMPCI *dev = VIRTIO_PMEM_PCI(obj);
+
+ virtio_instance_init_common(obj, &dev->vdev, sizeof(dev->vdev),
+ TYPE_VIRTIO_PMEM);
+}
+
+static const VirtioPCIDeviceTypeInfo virtio_pmem_pci_info = {
+ .base_name = TYPE_VIRTIO_PMEM_PCI,
+ .generic_name = "virtio-pmem-pci",
+ .transitional_name = "virtio-pmem-pci-transitional",
+ .non_transitional_name = "virtio-pmem-pci-non-transitional",
+ .instance_size = sizeof(VirtIOPMEMPCI),
+ .instance_init = virtio_pmem_pci_instance_init,
+ .class_init = virtio_pmem_pci_class_init,
+ .interfaces = (InterfaceInfo[]) {
+ { TYPE_MEMORY_DEVICE },
+ { }
+ },
+};
+
+static void virtio_pmem_pci_register_types(void)
+{
+ virtio_pci_types_register(&virtio_pmem_pci_info);
+}
+type_init(virtio_pmem_pci_register_types)
diff --git a/hw/virtio/virtio-pmem-pci.h b/hw/virtio/virtio-pmem-pci.h
new file mode 100644
index 0000000000..616abef093
--- /dev/null
+++ b/hw/virtio/virtio-pmem-pci.h
@@ -0,0 +1,34 @@
+/*
+ * Virtio PMEM PCI device
+ *
+ * Copyright (C) 2018-2019 Red Hat, Inc.
+ *
+ * Authors:
+ * Pankaj Gupta <pagupta@redhat.com>
+ * David Hildenbrand <david@redhat.com>
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2.
+ * See the COPYING file in the top-level directory.
+ */
+
+#ifndef QEMU_VIRTIO_PMEM_PCI_H
+#define QEMU_VIRTIO_PMEM_PCI_H
+
+#include "hw/virtio/virtio-pci.h"
+#include "hw/virtio/virtio-pmem.h"
+
+typedef struct VirtIOPMEMPCI VirtIOPMEMPCI;
+
+/*
+ * virtio-pmem-pci: This extends VirtioPCIProxy.
+ */
+#define TYPE_VIRTIO_PMEM_PCI "virtio-pmem-pci-base"
+#define VIRTIO_PMEM_PCI(obj) \
+ OBJECT_CHECK(VirtIOPMEMPCI, (obj), TYPE_VIRTIO_PMEM_PCI)
+
+struct VirtIOPMEMPCI {
+ VirtIOPCIProxy parent_obj;
+ VirtIOPMEM vdev;
+};
+
+#endif /* QEMU_VIRTIO_PMEM_PCI_H */
diff --git a/include/hw/pci/pci.h b/include/hw/pci/pci.h
index d082707dfa..aaf1b9f70d 100644
--- a/include/hw/pci/pci.h
+++ b/include/hw/pci/pci.h
@@ -85,6 +85,7 @@ extern bool pci_available;
#define PCI_DEVICE_ID_VIRTIO_RNG 0x1005
#define PCI_DEVICE_ID_VIRTIO_9P 0x1009
#define PCI_DEVICE_ID_VIRTIO_VSOCK 0x1012
+#define PCI_DEVICE_ID_VIRTIO_PMEM 0x1013
#define PCI_VENDOR_ID_REDHAT 0x1b36
#define PCI_DEVICE_ID_REDHAT_BRIDGE 0x0001
generated by cgit v1.2.3 (git 2.26.2) at 2025-01-29 19:01:02 +0000