[Xen-devel] [PATCH v3 02/11] libxl: add API for PV display device driver

[Oleksandr Grytsov <al1img@xxxxxxxxx>]

From: Oleksandr Grytsov <oleksandr_grytsov@xxxxxxxx>

add libxl_vdispl.c with API for display device driver
add libxl_vdispl.o to Makefile

Signed-off-by: Oleksandr Grytsov <oleksandr_grytsov@xxxxxxxx>
---
 tools/libxl/Makefile       |  2 +-
 tools/libxl/libxl.h        | 21 +++++++++++++
 tools/libxl/libxl_vdispl.c | 77 ++++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 99 insertions(+), 1 deletion(-)
 create mode 100644 tools/libxl/libxl_vdispl.c

diff --git a/tools/libxl/Makefile b/tools/libxl/Makefile
index 1bf6b8c..6f57e65 100644
--- a/tools/libxl/Makefile
+++ b/tools/libxl/Makefile
@@ -138,7 +138,7 @@ LIBXL_OBJS = flexarray.o libxl.o libxl_create.o libxl_dm.o 
libxl_pci.o \
                        libxl_dom_suspend.o libxl_dom_save.o libxl_usb.o \
                        libxl_vtpm.o libxl_nic.o libxl_disk.o libxl_console.o \
                        libxl_cpupool.o libxl_mem.o libxl_sched.o libxl_tmem.o \
-                       libxl_9pfs.o libxl_domain.o \
+                       libxl_9pfs.o libxl_domain.o libxl_vdispl.o \
                         $(LIBXL_OBJS-y)
 LIBXL_OBJS += libxl_genid.o
 LIBXL_OBJS += _libxl_types.o libxl_flask.o _libxl_types_internal.o
diff --git a/tools/libxl/libxl.h b/tools/libxl/libxl.h
index cf8687a..af8d9ce 100644
--- a/tools/libxl/libxl.h
+++ b/tools/libxl/libxl.h
@@ -1851,6 +1851,27 @@ libxl_device_vtpm *libxl_device_vtpm_list(libxl_ctx 
*ctx, uint32_t domid, int *n
 int libxl_device_vtpm_getinfo(libxl_ctx *ctx, uint32_t domid,
                                libxl_device_vtpm *vtpm, libxl_vtpminfo 
*vtpminfo);
 
+/* Virtual displays */
+int libxl_device_vdispl_add(libxl_ctx *ctx, uint32_t domid,
+                            libxl_device_vdispl *displ,
+                            const libxl_asyncop_how *ao_how)
+                            LIBXL_EXTERNAL_CALLERS_ONLY;
+int libxl_device_vdispl_remove(libxl_ctx *ctx, uint32_t domid,
+                               libxl_device_vdispl *vdispl,
+                               const libxl_asyncop_how *ao_how)
+                               LIBXL_EXTERNAL_CALLERS_ONLY;
+int libxl_device_vdispl_destroy(libxl_ctx *ctx, uint32_t domid,
+                                libxl_device_vdispl *vdispl,
+                                const libxl_asyncop_how *ao_how)
+                                LIBXL_EXTERNAL_CALLERS_ONLY;
+
+libxl_device_vdispl *libxl_device_vdispl_list(libxl_ctx *ctx, uint32_t domid,
+                                              int *num);
+void libxl_device_vdispl_list_free(libxl_device_vdispl* list, int num);
+int libxl_device_vdispl_getinfo(libxl_ctx *ctx, uint32_t domid,
+                                libxl_device_vdispl *vdispl,
+                                libxl_vdisplinfo *vdisplinfo);
+
 /* Keyboard */
 int libxl_device_vkb_add(libxl_ctx *ctx, uint32_t domid, libxl_device_vkb *vkb,
                          const libxl_asyncop_how *ao_how)
diff --git a/tools/libxl/libxl_vdispl.c b/tools/libxl/libxl_vdispl.c
new file mode 100644
index 0000000..2658e25
--- /dev/null
+++ b/tools/libxl/libxl_vdispl.c
@@ -0,0 +1,77 @@
+/*
+ * Copyright (C) 2016 EPAM Systems Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published
+ * by the Free Software Foundation; version 2.1 only. with the special
+ * exception on linking described in file LICENSE.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ */
+
+#include "libxl_internal.h"
+
+static int libxl__device_from_vdispl(libxl__gc *gc, uint32_t domid,
+                                     libxl_device_vdispl *vdispl,
+                                     libxl__device *device)
+{
+   return 0;
+}
+
+static void libxl__update_config_vdispl(libxl__gc *gc,
+                                        libxl_device_vdispl *dst,
+                                        libxl_device_vdispl *src)
+{
+
+}
+
+static int libxl_device_vdispl_compare(libxl_device_vdispl *d1,
+                                       libxl_device_vdispl *d2)
+{
+    return COMPARE_DEVID(d1, d2);
+}
+
+static void libxl__device_vdispl_add(libxl__egc *egc, uint32_t domid,
+                                     libxl_device_vdispl *vdispl,
+                                     libxl__ao_device *aodev)
+{
+
+}
+
+libxl_device_vdispl *libxl_device_vdispl_list(libxl_ctx *ctx, uint32_t domid,
+                                              int *num)
+{
+    return NULL;
+}
+
+void libxl_device_vdispl_list_free(libxl_device_vdispl* list, int num)
+{
+
+}
+
+int libxl_device_vdispl_getinfo(libxl_ctx *ctx, uint32_t domid,
+                                libxl_device_vdispl *vdispl,
+                                libxl_vdisplinfo *info)
+{
+     return 0;
+}
+
+LIBXL_DEFINE_DEVICE_ADD(vdispl)
+static LIBXL_DEFINE_DEVICES_ADD(vdispl)
+LIBXL_DEFINE_DEVICE_REMOVE(vdispl)
+
+DEFINE_DEVICE_TYPE_STRUCT(vdispl,
+    .update_config = (void (*)(libxl__gc *, void *, void *))
+                     libxl__update_config_vdispl
+);
+
+/*
+ * Local variables:
+ * mode: C
+ * c-basic-offset: 4
+ * indent-tabs-mode: nil
+ * End:
+ */
-- 
2.7.4


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