config CONSOLE
- bool "Host Support for VM console"
+ bool "Host Support for VM text-mode console"
default n
help
Select this if you want to forward a guest console interface to some host OS service
+ This is for a TEXT MODE console. Select the framebuffer console for graphics and text
+
+config GRAPHICS_CONSOLE
+ bool "Host Support for VM graphics and text-mode console based on a frame buffer"
+ default n
+ help
+ Select this if you want to forward a guest graphics-mode (and text-mode) console
+ interface to some host OS service. This is for a GRAPHICS console based on a shared frame buffer.
+ Text mode output is RENDERED onto the framebuffer
config SOCKET
bool "Host support for Network Sockets"
--- /dev/null
+/*
+ * This file is part of the Palacios Virtual Machine Monitor developed
+ * by the V3VEE Project with funding from the United States National
+ * Science Foundation and the Department of Energy.
+ *
+ * The V3VEE Project is a joint project between Northwestern University
+ * and the University of New Mexico. You can find out more at
+ * http://www.v3vee.org
+ *
+ * Copyright (c) 2011, Peter Dinda <pdinda@northwestern.edu>
+ * Copyright (c) 2011, The V3VEE Project <http://www.v3vee.org>
+ * All rights reserved.
+ *
+ * Author: Peter Dinda <pdinda@northwestern.edu>
+ *
+ * This is free software. You are permitted to use,
+ * redistribute, and modify it as specified in the file "V3VEE_LICENSE".
+ */
+
+
+#ifndef __VMM_GRAPHICS_CONSOLE_H__
+#define __VMM_GRAPHICS_CONSOLE_H__
+
+#include <palacios/vmm.h>
+
+
+/* A graphics console is opaque to the palacios */
+typedef void * v3_graphics_console_t;
+
+
+#ifdef __V3VEE__
+
+
+struct v3_frame_buffer_spec ;
+
+
+/* we give a desired spec and get back the actual spec */
+v3_graphics_console_t v3_graphics_console_open(struct v3_vm_info * vm,
+ struct v3_frame_buffer_spec *desired_spec,
+ struct v3_frame_buffer_spec *actual_spec);
+
+/* Spec is an optional output argument the indicates the current FB specification */
+/* The data will only be read or read/written between a get and release */
+void *v3_graphics_console_get_frame_buffer_data_read(v3_graphics_console_t cons, struct v3_frame_buffer_spec *spec);
+void v3_graphics_console_release_frame_buffer_data_read(v3_graphics_console_t cons);
+void *v3_graphics_console_get_frame_buffer_data_rw(v3_graphics_console_t cons, struct v3_frame_buffer_spec *spec);
+void v3_graphics_console_release_frame_buffer_data_rw(v3_graphics_console_t cons);
+// returns >0 if a redraw in response to this update would be useful now
+int v3_graphics_console_inform_update(v3_graphics_console_t cons);
+
+void v3_graphics_console_close(v3_graphics_console_t cons);
+
+#endif
+
+
+
+/*
+ A graphics console provides a frame buffer into which to render
+ which is specified as follows.
+
+
+ The data of the actual frame buffer is in row-major order.
+*/
+struct v3_frame_buffer_spec {
+ uint32_t height;
+ uint32_t width;
+ uint8_t bytes_per_pixel;
+ uint8_t bits_per_channel;
+ uint8_t red_offset; // byte offset in pixel to get to red channel
+ uint8_t green_offset; // byte offset in pixel to get to green channel
+ uint8_t blue_offset; // byte offset in pixel to get to blue channel
+};
+
+
+
+struct v3_graphics_console_hooks {
+ // Note that the minimum spec argument may be null, indicating that it is not provided
+ v3_graphics_console_t (*open)(void * priv_data,
+ struct v3_frame_buffer_spec *desired_spec,
+ struct v3_frame_buffer_spec *actual_spec);
+ void (*close)(v3_graphics_console_t cons);
+
+ void * (*get_data_read)(v3_graphics_console_t cons, struct v3_frame_buffer_spec *cur_spec);
+ void (*release_data_read)(v3_graphics_console_t cons);
+ void * (*get_data_rw)(v3_graphics_console_t cons, struct v3_frame_buffer_spec *cur_spec);
+ void (*release_data_rw)(v3_graphics_console_t cons);
+
+ // callback to indicate that the FB is stale and that an update can occur
+ // a positive return value indicates we should re-render now
+ int (*changed)(v3_graphics_console_t cons);
+};
+
+
+extern void V3_Init_Graphics_Console(struct v3_graphics_console_hooks *hooks);
+
+#endif
obj-$(CONFIG_VNET) += vmm_vnet_core.o
obj-$(CONFIG_FILE) += vmm_file.o
obj-$(CONFIG_CONSOLE) += vmm_console.o vmm_stream.o
+obj-$(CONFIG_GRAPHICS_CONSOLE) += vmm_graphics_console.o
obj-$(CONFIG_SYMBIOTIC) += vmm_symbiotic.o vmm_symspy.o
--- /dev/null
+/*
+ * This file is part of the Palacios Virtual Machine Monitor developed
+ * by the V3VEE Project with funding from the United States National
+ * Science Foundation and the Department of Energy.
+ *
+ * The V3VEE Project is a joint project between Northwestern University
+ * and the University of New Mexico. You can find out more at
+ * http://www.v3vee.org
+ *
+ * Copyright (c) 2011, Peter Dinda <pdinda@northwestern.edu>
+ * Copyright (c) 2011, The V3VEE Project <http://www.v3vee.org>
+ * All rights reserved.
+ *
+ * Author: Peter Dinda <pdinda@northwestern.edu>
+ *
+ * This is free software. You are permitted to use,
+ * redistribute, and modify it as specified in the file "V3VEE_LICENSE".
+ */
+
+
+#include <palacios/vmm_graphics_console.h>
+#include <palacios/vmm.h>
+#include <palacios/vmm_debug.h>
+#include <palacios/vmm_types.h>
+#include <palacios/vm_guest.h>
+
+struct v3_graphics_console_hooks * graphics_console_hooks = 0;
+
+v3_graphics_console_t v3_graphics_console_open(struct v3_vm_info * vm,
+ struct v3_frame_buffer_spec *desired_spec,
+ struct v3_frame_buffer_spec *actual_spec)
+{
+ V3_ASSERT(graphics_console_hooks != NULL);
+ V3_ASSERT(graphics_console_hooks->open != NULL);
+
+ return graphics_console_hooks->open(vm->host_priv_data, desired_spec, actual_spec);
+}
+
+void v3_graphics_console_close(v3_graphics_console_t cons)
+{
+ V3_ASSERT(graphics_console_hooks);
+ V3_ASSERT(graphics_console_hooks->close);
+
+ graphics_console_hooks->close(cons);
+}
+
+void * v3_graphics_console_get_frame_buffer_data_read(v3_graphics_console_t cons, struct v3_frame_buffer_spec *spec)
+{
+ V3_ASSERT(graphics_console_hooks != NULL);
+ V3_ASSERT(graphics_console_hooks->get_data_read != NULL);
+
+ return graphics_console_hooks->get_data_read(cons, spec);
+}
+
+
+void v3_graphics_console_release_frame_buffer_data_read(v3_graphics_console_t cons)
+{
+ V3_ASSERT(graphics_console_hooks != NULL);
+ V3_ASSERT(graphics_console_hooks->release_data_read != NULL);
+
+ return graphics_console_hooks->release_data_read(cons);
+}
+
+void * v3_graphics_console_get_frame_buffer_data_rw(v3_graphics_console_t cons, struct v3_frame_buffer_spec *spec)
+{
+ V3_ASSERT(graphics_console_hooks != NULL);
+ V3_ASSERT(graphics_console_hooks->get_data_rw != NULL);
+
+ return graphics_console_hooks->get_data_rw(cons, spec);
+}
+
+void v3_graphics_console_release_frame_buffer_data_rw(v3_graphics_console_t cons)
+{
+ V3_ASSERT(graphics_console_hooks != NULL);
+ V3_ASSERT(graphics_console_hooks->release_data_rw != NULL);
+
+ return graphics_console_hooks->release_data_rw(cons);
+}
+
+
+
+int v3_graphics_console_inform_update(v3_graphics_console_t cons) {
+ V3_ASSERT(graphics_console_hooks != NULL);
+ V3_ASSERT(graphics_console_hooks->changed != NULL);
+
+ return graphics_console_hooks->changed(cons);
+}
+
+void V3_Init_Graphics_Console(struct v3_graphics_console_hooks * hooks) {
+ graphics_console_hooks = hooks;
+ PrintDebug("V3 graphics console inited\n");
+
+ return;
+}
