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",
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 = {
.instance_size = sizeof(VFIOPlatformDevice),
.class_init = vfio_platform_class_init,
.class_size = sizeof(VFIOPlatformDeviceClass),
- .abstract = true,
};
static void register_vfio_platform_dev_type(void)
QLIST_HEAD(, VFIOINTp) intp_list; /* list of IRQs */
/* queue of pending IRQs */
QSIMPLEQ_HEAD(pending_intp_queue, VFIOINTp) pending_intp_queue;
- char *compat; /* compatibility string */
+ char *compat; /* DT compatible values, separated by NUL */
+ unsigned int num_compat; /* number of compatible values */
uint32_t mmap_timeout; /* delay to re-enable mmaps after interrupt */
QEMUTimer *mmap_timer; /* allows fast-path resume after IRQ hit */
QemuMutex intp_mutex; /* protect the intp_list IRQ state */