aboutsummaryrefslogtreecommitdiff
path: root/contrib/libvhost-user/libvhost-user-glib.c
diff options
context:
space:
mode:
Diffstat (limited to 'contrib/libvhost-user/libvhost-user-glib.c')
-rw-r--r--contrib/libvhost-user/libvhost-user-glib.c170
1 files changed, 0 insertions, 170 deletions
diff --git a/contrib/libvhost-user/libvhost-user-glib.c b/contrib/libvhost-user/libvhost-user-glib.c
deleted file mode 100644
index 0df2ec9271..0000000000
--- a/contrib/libvhost-user/libvhost-user-glib.c
+++ /dev/null
@@ -1,170 +0,0 @@
-/*
- * Vhost User library
- *
- * Copyright (c) 2016 Nutanix Inc. All rights reserved.
- * Copyright (c) 2017 Red Hat, Inc.
- *
- * Authors:
- * Marc-André Lureau <mlureau@redhat.com>
- * Felipe Franciosi <felipe@nutanix.com>
- *
- * This work is licensed under the terms of the GNU GPL, version 2 or
- * later. See the COPYING file in the top-level directory.
- */
-
-#include "qemu/osdep.h"
-
-#include "libvhost-user-glib.h"
-
-/* glib event loop integration for libvhost-user and misc callbacks */
-
-G_STATIC_ASSERT((int)G_IO_IN == (int)VU_WATCH_IN);
-G_STATIC_ASSERT((int)G_IO_OUT == (int)VU_WATCH_OUT);
-G_STATIC_ASSERT((int)G_IO_PRI == (int)VU_WATCH_PRI);
-G_STATIC_ASSERT((int)G_IO_ERR == (int)VU_WATCH_ERR);
-G_STATIC_ASSERT((int)G_IO_HUP == (int)VU_WATCH_HUP);
-
-typedef struct VugSrc {
- GSource parent;
- VuDev *dev;
- GPollFD gfd;
-} VugSrc;
-
-static gboolean
-vug_src_prepare(GSource *gsrc, gint *timeout)
-{
- g_assert(timeout);
-
- *timeout = -1;
- return FALSE;
-}
-
-static gboolean
-vug_src_check(GSource *gsrc)
-{
- VugSrc *src = (VugSrc *)gsrc;
-
- g_assert(src);
-
- return src->gfd.revents & src->gfd.events;
-}
-
-static gboolean
-vug_src_dispatch(GSource *gsrc, GSourceFunc cb, gpointer data)
-{
- VugSrc *src = (VugSrc *)gsrc;
-
- g_assert(src);
-
- ((vu_watch_cb)cb)(src->dev, src->gfd.revents, data);
-
- return G_SOURCE_CONTINUE;
-}
-
-static GSourceFuncs vug_src_funcs = {
- vug_src_prepare,
- vug_src_check,
- vug_src_dispatch,
- NULL
-};
-
-GSource *
-vug_source_new(VugDev *gdev, int fd, GIOCondition cond,
- vu_watch_cb vu_cb, gpointer data)
-{
- VuDev *dev = &gdev->parent;
- GSource *gsrc;
- VugSrc *src;
- guint id;
-
- g_assert(gdev);
- g_assert(fd >= 0);
- g_assert(vu_cb);
-
- gsrc = g_source_new(&vug_src_funcs, sizeof(VugSrc));
- g_source_set_callback(gsrc, (GSourceFunc)vu_cb, data, NULL);
- src = (VugSrc *)gsrc;
- src->dev = dev;
- src->gfd.fd = fd;
- src->gfd.events = cond;
-
- g_source_add_poll(gsrc, &src->gfd);
- id = g_source_attach(gsrc, g_main_context_get_thread_default());
- g_assert(id);
-
- return gsrc;
-}
-
-static void
-set_watch(VuDev *vu_dev, int fd, int vu_evt, vu_watch_cb cb, void *pvt)
-{
- GSource *src;
- VugDev *dev;
-
- g_assert(vu_dev);
- g_assert(fd >= 0);
- g_assert(cb);
-
- dev = container_of(vu_dev, VugDev, parent);
- src = vug_source_new(dev, fd, vu_evt, cb, pvt);
- g_hash_table_replace(dev->fdmap, GINT_TO_POINTER(fd), src);
-}
-
-static void
-remove_watch(VuDev *vu_dev, int fd)
-{
- VugDev *dev;
-
- g_assert(vu_dev);
- g_assert(fd >= 0);
-
- dev = container_of(vu_dev, VugDev, parent);
- g_hash_table_remove(dev->fdmap, GINT_TO_POINTER(fd));
-}
-
-
-static void vug_watch(VuDev *dev, int condition, void *data)
-{
- if (!vu_dispatch(dev) != 0) {
- dev->panic(dev, "Error processing vhost message");
- }
-}
-
-void vug_source_destroy(GSource *src)
-{
- if (!src) {
- return;
- }
-
- g_source_destroy(src);
- g_source_unref(src);
-}
-
-bool
-vug_init(VugDev *dev, uint16_t max_queues, int socket,
- vu_panic_cb panic, const VuDevIface *iface)
-{
- g_assert(dev);
- g_assert(iface);
-
- if (!vu_init(&dev->parent, max_queues, socket, panic, NULL, set_watch,
- remove_watch, iface)) {
- return false;
- }
-
- dev->fdmap = g_hash_table_new_full(NULL, NULL, NULL,
- (GDestroyNotify) vug_source_destroy);
-
- dev->src = vug_source_new(dev, socket, G_IO_IN, vug_watch, NULL);
-
- return true;
-}
-
-void
-vug_deinit(VugDev *dev)
-{
- g_assert(dev);
-
- g_hash_table_unref(dev->fdmap);
- vug_source_destroy(dev->src);
-}