diff options
Diffstat (limited to 'hw/vfio/platform.c')
| -rw-r--r-- | hw/vfio/platform.c | 31 |
1 files changed, 27 insertions, 4 deletions
diff --git a/hw/vfio/platform.c b/hw/vfio/platform.c index 57c4a0ee2b..398db38f14 100644 --- a/hw/vfio/platform.c +++ b/hw/vfio/platform.c @@ -655,10 +655,32 @@ static void vfio_platform_realize(DeviceState *dev, Error **errp) goto out; } + if (!vdev->compat) { + GError *gerr = NULL; + gchar *contents; + gsize length; + char *path; + + path = g_strdup_printf("%s/of_node/compatible", vbasedev->sysfsdev); + if (!g_file_get_contents(path, &contents, &length, &gerr)) { + error_setg(errp, "%s", gerr->message); + g_error_free(gerr); + g_free(path); + return; + } + g_free(path); + vdev->compat = contents; + for (vdev->num_compat = 0; length; vdev->num_compat++) { + size_t skip = strlen(contents) + 1; + contents += skip; + length -= skip; + } + } + for (i = 0; i < vbasedev->num_regions; i++) { if (vfio_region_mmap(vdev->regions[i])) { - error_report("%s mmap unsupported. Performance may be slow", - memory_region_name(vdev->regions[i]->mem)); + warn_report("%s mmap unsupported, performance may be slow", + memory_region_name(vdev->regions[i]->mem)); } sysbus_init_mmio(sbdev, vdev->regions[i]->mem); } @@ -668,7 +690,7 @@ out: } if (vdev->vbasedev.name) { - error_prepend(errp, ERR_PREFIX, vdev->vbasedev.name); + error_prepend(errp, VFIO_MSG_PREFIX, vdev->vbasedev.name); } else { error_prepend(errp, "vfio error: "); } @@ -700,6 +722,8 @@ static void vfio_platform_class_init(ObjectClass *klass, void *data) dc->desc = "VFIO-based platform device assignment"; sbc->connect_irq_notifier = vfio_start_irqfd_injection; set_bit(DEVICE_CATEGORY_MISC, dc->categories); + /* Supported by TYPE_VIRT_MACHINE */ + dc->user_creatable = true; } static const TypeInfo vfio_platform_dev_info = { @@ -708,7 +732,6 @@ static const TypeInfo vfio_platform_dev_info = { .instance_size = sizeof(VFIOPlatformDevice), .class_init = vfio_platform_class_init, .class_size = sizeof(VFIOPlatformDeviceClass), - .abstract = true, }; static void register_vfio_platform_dev_type(void) |