path: root/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c

/**************************************************************************
 *
 * Copyright © 2009 VMware, Inc., Palo Alto, CA., USA
 * All Rights Reserved.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the
 * "Software"), to deal in the Software without restriction, including
 * without limitation the rights to use, copy, modify, merge, publish,
 * distribute, sub license, and/or sell copies of the Software, and to
 * permit persons to whom the Software is furnished to do so, subject to
 * the following conditions:
 *
 * The above copyright notice and this permission notice (including the
 * next paragraph) shall be included in all copies or substantial portions
 * of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
 * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
 * USE OR OTHER DEALINGS IN THE SOFTWARE.
 *
 **************************************************************************/
#include <linux/module.h>

#include "drmP.h"
#include "vmwgfx_drv.h"
#include "ttm/ttm_placement.h"
#include "ttm/ttm_bo_driver.h"
#include "ttm/ttm_object.h"
#include "ttm/ttm_module.h"

#define VMWGFX_DRIVER_NAME "vmwgfx"
#define VMWGFX_DRIVER_DESC "Linux drm driver for VMware graphics devices"
#define VMWGFX_CHIP_SVGAII 0
#define VMW_FB_RESERVATION 0

#define VMW_MIN_INITIAL_WIDTH 800
#define VMW_MIN_INITIAL_HEIGHT 600


/**
 * Fully encoded drm commands. Might move to vmw_drm.h
 */

#define DRM_IOCTL_VMW_GET_PARAM					\
	DRM_IOWR(DRM_COMMAND_BASE + DRM_VMW_GET_PARAM,		\
		 struct drm_vmw_getparam_arg)
#define DRM_IOCTL_VMW_ALLOC_DMABUF				\
	DRM_IOWR(DRM_COMMAND_BASE + DRM_VMW_ALLOC_DMABUF,	\
		union drm_vmw_alloc_dmabuf_arg)
#define DRM_IOCTL_VMW_UNREF_DMABUF				\
	DRM_IOW(DRM_COMMAND_BASE + DRM_VMW_UNREF_DMABUF,	\
		struct drm_vmw_unref_dmabuf_arg)
#define DRM_IOCTL_VMW_CURSOR_BYPASS				\
	DRM_IOW(DRM_COMMAND_BASE + DRM_VMW_CURSOR_BYPASS,	\
		 struct drm_vmw_cursor_bypass_arg)

#define DRM_IOCTL_VMW_CONTROL_STREAM				\
	DRM_IOW(DRM_COMMAND_BASE + DRM_VMW_CONTROL_STREAM,	\
		 struct drm_vmw_control_stream_arg)
#define DRM_IOCTL_VMW_CLAIM_STREAM				\
	DRM_IOR(DRM_COMMAND_BASE + DRM_VMW_CLAIM_STREAM,	\
		 struct drm_vmw_stream_arg)
#define DRM_IOCTL_VMW_UNREF_STREAM				\
	DRM_IOW(DRM_COMMAND_BASE + DRM_VMW_UNREF_STREAM,	\
		 struct drm_vmw_stream_arg)

#define DRM_IOCTL_VMW_CREATE_CONTEXT				\
	DRM_IOR(DRM_COMMAND_BASE + DRM_VMW_CREATE_CONTEXT,	\
		struct drm_vmw_context_arg)
#define DRM_IOCTL_VMW_UNREF_CONTEXT				\
	DRM_IOW(DRM_COMMAND_BASE + DRM_VMW_UNREF_CONTEXT,	\
		struct drm_vmw_context_arg)
#define DRM_IOCTL_VMW_CREATE_SURFACE				\
	DRM_IOWR(DRM_COMMAND_BASE + DRM_VMW_CREATE_SURFACE,	\
		 union drm_vmw_surface_create_arg)
#define DRM_IOCTL_VMW_UNREF_SURFACE				\
	DRM_IOW(DRM_COMMAND_BASE + DRM_VMW_UNREF_SURFACE,	\
		 struct drm_vmw_surface_arg)
#define DRM_IOCTL_VMW_REF_SURFACE				\
	DRM_IOWR(DRM_COMMAND_BASE + DRM_VMW_REF_SURFACE,	\
		 union drm_vmw_surface_reference_arg)
#define DRM_IOCTL_VMW_EXECBUF					\
	DRM_IOW(DRM_COMMAND_BASE + DRM_VMW_EXECBUF,		\
		struct drm_vmw_execbuf_arg)
#define DRM_IOCTL_VMW_GET_3D_CAP				\
	DRM_IOW(DRM_COMMAND_BASE + DRM_VMW_GET_3D_CAP,		\
		 struct drm_vmw_get_3d_cap_arg)
#define DRM_IOCTL_VMW_FENCE_WAIT				\
	DRM_IOWR(DRM_COMMAND_BASE + DRM_VMW_FENCE_WAIT,		\
		 struct drm_vmw_fence_wait_arg)
#define DRM_IOCTL_VMW_FENCE_SIGNALED				\
	DRM_IOWR(DRM_COMMAND_BASE + DRM_VMW_FENCE_SIGNALED,	\
		 struct drm_vmw_fence_signaled_arg)
#define DRM_IOCTL_VMW_FENCE_UNREF				\
	DRM_IOW(DRM_COMMAND_BASE + DRM_VMW_FENCE_UNREF,		\
		 struct drm_vmw_fence_arg)
#define DRM_IOCTL_VMW_FENCE_EVENT				\
	DRM_IOW(DRM_COMMAND_BASE + DRM_VMW_FENCE_EVENT,		\
		 struct drm_vmw_fence_event_arg)
#define DRM_IOCTL_VMW_PRESENT					\
	DRM_IOW(DRM_COMMAND_BASE + DRM_VMW_PRESENT,		\
		 struct drm_vmw_present_arg)
#define DRM_IOCTL_VMW_PRESENT_READBACK				\
	DRM_IOW(DRM_COMMAND_BASE + DRM_VMW_PRESENT_READBACK,	\
		 struct drm_vmw_present_readback_arg)
#define DRM_IOCTL_VMW_UPDATE_LAYOUT				\
	DRM_IOW(DRM_COMMAND_BASE + DRM_VMW_UPDATE_LAYOUT,	\
		 struct drm_vmw_update_layout_arg)

/**
 * The core DRM version of this macro doesn't account for
 * DRM_COMMAND_BASE.
 */

#define VMW_IOCTL_DEF(ioctl, func, flags) \
  [DRM_IOCTL_NR(DRM_IOCTL_##ioctl) - DRM_COMMAND_BASE] = {DRM_##ioctl, flags, func, DRM_IOCTL_##ioctl}

/**
 * Ioctl definitions.
 */

static struct drm_ioctl_desc vmw_ioctls[] = {
	VMW_IOCTL_DEF(VMW_GET_PARAM, vmw_getparam_ioctl,
		      DRM_AUTH | DRM_UNLOCKED),
	VMW_IOCTL_DEF(VMW_ALLOC_DMABUF, vmw_dmabuf_alloc_ioctl,
		      DRM_AUTH | DRM_UNLOCKED),
	VMW_IOCTL_DEF(VMW_UNREF_DMABUF, vmw_dmabuf_unref_ioctl,
		      DRM_AUTH | DRM_UNLOCKED),
	VMW_IOCTL_DEF(VMW_CURSOR_BYPASS,
		      vmw_kms_cursor_bypass_ioctl,
		      DRM_MASTER | DRM_CONTROL_ALLOW | DRM_UNLOCKED),

	VMW_IOCTL_DEF(VMW_CONTROL_STREAM, vmw_overlay_ioctl,
		      DRM_MASTER | DRM_CONTROL_ALLOW | DRM_UNLOCKED),
	VMW_IOCTL_DEF(VMW_CLAIM_STREAM, vmw_stream_claim_ioctl,
		      DRM_MASTER | DRM_CONTROL_ALLOW | DRM_UNLOCKED),
	VMW_IOCTL_DEF(VMW_UNREF_STREAM, vmw_stream_unref_ioctl,
		      DRM_MASTER | DRM_CONTROL_ALLOW | DRM_UNLOCKED),

	VMW_IOCTL_DEF(VMW_CREATE_CONTEXT, vmw_context_define_ioctl,
		      DRM_AUTH | DRM_UNLOCKED),
	VMW_IOCTL_DEF(VMW_UNREF_CONTEXT, vmw_context_destroy_ioctl,
		      DRM_AUTH | DRM_UNLOCKED),
	VMW_IOCTL_DEF(VMW_CREATE_SURFACE, vmw_surface_define_ioctl,
		      DRM_AUTH | DRM_UNLOCKED),
	VMW_IOCTL_DEF(VMW_UNREF_SURFACE, vmw_surface_destroy_ioctl,
		      DRM_AUTH | DRM_UNLOCKED),
	VMW_IOCTL_DEF(VMW_REF_SURFACE, vmw_surface_reference_ioctl,
		      DRM_AUTH | DRM_UNLOCKED),
	VMW_IOCTL_DEF(VMW_EXECBUF, vmw_execbuf_ioctl,
		      DRM_AUTH | DRM_UNLOCKED),
	VMW_IOCTL_DEF(VMW_FENCE_WAIT, vmw_fence_obj_wait_ioctl,
		      DRM_AUTH | DRM_UNLOCKED),
	VMW_IOCTL_DEF(VMW_FENCE_SIGNALED,
		      vmw_fence_obj_signaled_ioctl,
		      DRM_AUTH | DRM_UNLOCKED),