4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync/** @file $Id$
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync *
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync * VirtualBox Additions Linux kernel video driver
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync */
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync/*
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync * Copyright (C) 2013 Oracle Corporation
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync *
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync * This file is part of VirtualBox Open Source Edition (OSE), as
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync * available from http://www.virtualbox.org. This file is free software;
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync * you can redistribute it and/or modify it under the terms of the GNU
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync * General Public License (GPL) as published by the Free Software
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync * Foundation, in version 2 as it comes in the "COPYING" file of the
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync * --------------------------------------------------------------------
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync *
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync * This code is based on
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync * ast_main.c
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync * with the following copyright and permission notice:
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync *
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync * Copyright 2012 Red Hat Inc.
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync *
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync * Permission is hereby granted, free of charge, to any person obtaining a
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync * copy of this software and associated documentation files (the
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync * "Software"), to deal in the Software without restriction, including
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync * without limitation the rights to use, copy, modify, merge, publish,
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync * distribute, sub license, and/or sell copies of the Software, and to
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync * permit persons to whom the Software is furnished to do so, subject to
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync * the following conditions:
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync *
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync * USE OR OTHER DEALINGS IN THE SOFTWARE.
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync *
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync * The above copyright notice and this permission notice (including the
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync * next paragraph) shall be included in all copies or substantial portions
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync * of the Software.
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync *
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync */
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync/*
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync * Authors: Dave Airlie <airlied@redhat.com>
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync */
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync#include "vbox_drv.h"
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync#include <VBox/VBoxVideoGuest.h>
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync#include <VBox/VBoxVideo.h>
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync#include <drm/drm_fb_helper.h>
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync#include <drm/drm_crtc_helper.h>
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsyncstatic void vbox_user_framebuffer_destroy(struct drm_framebuffer *fb)
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync{
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync struct vbox_framebuffer *vbox_fb = to_vbox_framebuffer(fb);
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync if (vbox_fb->obj)
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync drm_gem_object_unreference_unlocked(vbox_fb->obj);
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync LogFunc(("vboxvideo: %d: vbox_fb=%p, vbox_fb->obj=%p\n", __LINE__,
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync vbox_fb, vbox_fb->obj));
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync drm_framebuffer_cleanup(fb);
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync kfree(fb);
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync}
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsyncstatic int vbox_user_framebuffer_create_handle(struct drm_framebuffer *fb,
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync struct drm_file *file,
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync unsigned int *handle)
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync{
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync return -EINVAL;
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync}
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync/** Send information about dirty rectangles to VBVA. If necessary we enable
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync * VBVA first, as this is normally disabled after a mode set in case a user
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync * takes over the console that is not aware of VBVA (i.e. the VESA BIOS). */
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsyncvoid vbox_framebuffer_dirty_rectangles(struct drm_framebuffer *fb,
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync struct drm_clip_rect *pRects,
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync unsigned cRects)
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync{
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync struct vbox_private *vbox = fb->dev->dev_private;
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync unsigned i;
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync unsigned long flags;
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync LogFunc(("vboxvideo: %d: fb=%p, cRects=%u, vbox=%p\n", __LINE__, fb,
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync cRects, vbox));
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync spin_lock_irqsave(&vbox->dev_lock, flags);
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync for (i = 0; i < cRects; ++i)
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync {
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync struct drm_crtc *crtc;
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync list_for_each_entry(crtc, &fb->dev->mode_config.crtc_list, head)
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync {
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync unsigned iCrtc = to_vbox_crtc(crtc)->crtc_id;
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync struct VBVABUFFER *pVBVA = vbox->paVBVACtx[iCrtc].pVBVA;
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync VBVACMDHDR cmdHdr;
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync if (!pVBVA)
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync {
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync pVBVA = (struct VBVABUFFER *) ( ((uint8_t *)vbox->vram)
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync + vbox->vram_size
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync + iCrtc * VBVA_MIN_BUFFER_SIZE);
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync if (!VBoxVBVAEnable(&vbox->paVBVACtx[iCrtc], &vbox->Ctx, pVBVA, iCrtc))
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync AssertReleaseMsgFailed(("VBoxVBVAEnable failed - heap allocation error, very old host or driver error.\n"));
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync }
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync if ( CRTC_FB(crtc) != fb
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync || pRects[i].x1 > crtc->x
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync + crtc->hwmode.hdisplay
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync || pRects[i].y1 > crtc->y
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync + crtc->hwmode.vdisplay
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync || pRects[i].x2 < crtc->x
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync || pRects[i].y2 < crtc->y)
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync continue;
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync cmdHdr.x = (int16_t)pRects[i].x1;
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync cmdHdr.y = (int16_t)pRects[i].y1;
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync cmdHdr.w = (uint16_t)pRects[i].x2 - pRects[i].x1;
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync cmdHdr.h = (uint16_t)pRects[i].y2 - pRects[i].y1;
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync if (VBoxVBVABufferBeginUpdate(&vbox->paVBVACtx[iCrtc],
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync &vbox->Ctx))
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync {
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync VBoxVBVAWrite(&vbox->paVBVACtx[iCrtc], &vbox->Ctx, &cmdHdr,
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync sizeof(cmdHdr));
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync VBoxVBVABufferEndUpdate(&vbox->paVBVACtx[iCrtc]);
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync }
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync }
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync }
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync spin_unlock_irqrestore(&vbox->dev_lock, flags);
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync LogFunc(("vboxvideo: %d\n", __LINE__));
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync}
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsyncstatic int vbox_user_framebuffer_dirty(struct drm_framebuffer *fb,
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync struct drm_file *file_priv,
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync unsigned flags, unsigned color,
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync struct drm_clip_rect *pRects,
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync unsigned cRects)
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync{
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync LogFunc(("vboxvideo: %d, flags=%u\n", __LINE__, flags));
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync vbox_framebuffer_dirty_rectangles(fb, pRects, cRects);
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync return 0;
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync}
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsyncstatic const struct drm_framebuffer_funcs vbox_fb_funcs =
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync{
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync .destroy = vbox_user_framebuffer_destroy,
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync .create_handle = vbox_user_framebuffer_create_handle,
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync .dirty = vbox_user_framebuffer_dirty,
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync};
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsyncint vbox_framebuffer_init(struct drm_device *dev,
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync struct vbox_framebuffer *vbox_fb,
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync struct DRM_MODE_FB_CMD *mode_cmd,
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync struct drm_gem_object *obj)
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync{
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync int ret;
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync LogFunc(("vboxvideo: %d: dev=%p, vbox_fb=%p, obj=%p\n", __LINE__, dev,
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync vbox_fb, obj));
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync drm_helper_mode_fill_fb_struct(&vbox_fb->base, mode_cmd);
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync vbox_fb->obj = obj;
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync ret = drm_framebuffer_init(dev, &vbox_fb->base, &vbox_fb_funcs);
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync if (ret)
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync {
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync DRM_ERROR("framebuffer init failed %d\n", ret);
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync LogFunc(("vboxvideo: %d\n", __LINE__));
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync return ret;
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync }
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync LogFunc(("vboxvideo: %d\n", __LINE__));
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync return 0;
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync}
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsyncstatic struct drm_framebuffer *
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsyncvbox_user_framebuffer_create(struct drm_device *dev,
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync struct drm_file *filp,
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync struct drm_mode_fb_cmd2 *mode_cmd)
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync{
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync struct drm_gem_object *obj;
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync struct vbox_framebuffer *vbox_fb;
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync int ret;
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync LogFunc(("vboxvideo: %d\n", __LINE__));
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync obj = drm_gem_object_lookup(dev, filp, mode_cmd->handles[0]);
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync if (obj == NULL)
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync return ERR_PTR(-ENOENT);
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync vbox_fb = kzalloc(sizeof(*vbox_fb), GFP_KERNEL);
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync if (!vbox_fb)
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync {
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync drm_gem_object_unreference_unlocked(obj);
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync return ERR_PTR(-ENOMEM);
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync }
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync ret = vbox_framebuffer_init(dev, vbox_fb, mode_cmd, obj);
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync if (ret)
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync {
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync drm_gem_object_unreference_unlocked(obj);
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync kfree(vbox_fb);
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync return ERR_PTR(ret);
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync }
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync LogFunc(("vboxvideo: %d\n", __LINE__));
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync return &vbox_fb->base;
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync}
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsyncstatic const struct drm_mode_config_funcs vbox_mode_funcs =
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync{
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync .fb_create = vbox_user_framebuffer_create,
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync};
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsyncstatic void disableVBVA(struct vbox_private *pVBox)
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync{
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync unsigned i;
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync if (pVBox->paVBVACtx)
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync {
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync for (i = 0; i < pVBox->cCrtcs; ++i)
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync VBoxVBVADisable(&pVBox->paVBVACtx[i], &pVBox->Ctx, i);
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync kfree(pVBox->paVBVACtx);
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync pVBox->paVBVACtx = NULL;
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync }
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync}
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsyncstatic int vbox_vbva_init(struct vbox_private *vbox)
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync{
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync unsigned i;
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync bool fRC = true;
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync LogFunc(("vboxvideo: %d: vbox=%p, vbox->cCrtcs=%u, vbox->paVBVACtx=%p\n",
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync __LINE__, vbox, (unsigned)vbox->cCrtcs, vbox->paVBVACtx));
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync if (!vbox->paVBVACtx)
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync {
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync vbox->paVBVACtx = kzalloc( sizeof(struct VBVABUFFERCONTEXT)
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync * vbox->cCrtcs,
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync GFP_KERNEL);
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync if (!vbox->paVBVACtx)
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync return -ENOMEM;
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync }
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync /* Take a command buffer for each screen from the end of usable VRAM. */
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync vbox->vram_size -= vbox->cCrtcs * VBVA_MIN_BUFFER_SIZE;
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync for (i = 0; i < vbox->cCrtcs; ++i)
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync VBoxVBVASetupBufferContext(&vbox->paVBVACtx[i],
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync vbox->vram_size + i * VBVA_MIN_BUFFER_SIZE,
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync VBVA_MIN_BUFFER_SIZE);
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync LogFunc(("vboxvideo: %d: vbox->paVBVACtx=%p, vbox->vram_size=%u\n",
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync __LINE__, vbox->paVBVACtx, (unsigned)vbox->vram_size));
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync return 0;
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync}
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync/** Allocation function for the HGSMI heap and data. */
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsyncstatic DECLCALLBACK(void *) hgsmiEnvAlloc(void *pvEnv, HGSMISIZE cb)
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync{
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync NOREF(pvEnv);
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync return kmalloc(cb, GFP_KERNEL);
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync}
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync/** Free function for the HGSMI heap and data. */
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsyncstatic DECLCALLBACK(void) hgsmiEnvFree(void *pvEnv, void *pv)
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync{
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync NOREF(pvEnv);
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync kfree(pv);
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync}
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync/** Pointers to the HGSMI heap and data manipulation functions. */
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsyncstatic HGSMIENV g_hgsmiEnv =
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync{
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync NULL,
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync hgsmiEnvAlloc,
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync hgsmiEnvFree
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync};
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync/** Set up our heaps and data exchange buffers in VRAM before handing the rest
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync * to the memory manager. */
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsyncstatic int setupAcceleration(struct vbox_private *pVBox, uint32_t *poffBase)
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync{
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync uint32_t offBase, offGuestHeap, cbGuestHeap;
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync void *pvGuestHeap;
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync VBoxHGSMIGetBaseMappingInfo(pVBox->full_vram_size, &offBase, NULL,
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync &offGuestHeap, &cbGuestHeap, NULL);
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync if (poffBase)
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync *poffBase = offBase;
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync pvGuestHeap = ((uint8_t *)pVBox->vram) + offBase + offGuestHeap;
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync if (RT_FAILURE(VBoxHGSMISetupGuestContext(&pVBox->Ctx, pvGuestHeap,
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync cbGuestHeap,
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync offBase + offGuestHeap,
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync &g_hgsmiEnv)))
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync return -ENOMEM;
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync /* Reduce available VRAM size to reflect the guest heap. */
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync pVBox->vram_size = offBase;
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync /* Linux drm represents monitors as a 32-bit array. */
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync pVBox->cCrtcs = RT_MIN(VBoxHGSMIGetMonitorCount(&pVBox->Ctx), 32);
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync return vbox_vbva_init(pVBox);
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync}
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsyncint vbox_driver_load(struct drm_device *dev, unsigned long flags)
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync{
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync struct vbox_private *vbox;
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync int ret = 0;
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync uint32_t offBase;
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync LogFunc(("vboxvideo: %d: dev=%p\n", __LINE__, dev));
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync if (!VBoxHGSMIIsSupported())
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync return -ENODEV;
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync vbox = kzalloc(sizeof(struct vbox_private), GFP_KERNEL);
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync if (!vbox)
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync return -ENOMEM;
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync dev->dev_private = vbox;
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync vbox->dev = dev;
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync spin_lock_init(&vbox->dev_lock);
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync /* I hope this won't interfere with the memory manager. */
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync vbox->vram = pci_iomap(dev->pdev, 0, 0);
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync if (!vbox->vram)
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync {
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync ret = -EIO;
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync goto out_free;
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync }
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync vbox->full_vram_size = VBoxVideoGetVRAMSize();
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync vbox->fAnyX = VBoxVideoAnyWidthAllowed();
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync DRM_INFO("VRAM %08x\n", vbox->full_vram_size);
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync ret = setupAcceleration(vbox, &offBase);
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync if (ret)
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync goto out_free;
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync ret = vbox_mm_init(vbox);
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync if (ret)
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync goto out_free;
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync drm_mode_config_init(dev);
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync dev->mode_config.funcs = (void *)&vbox_mode_funcs;
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync dev->mode_config.min_width = 64;
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync dev->mode_config.min_height = 64;
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync dev->mode_config.preferred_depth = 24;
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync dev->mode_config.max_width = VBE_DISPI_MAX_XRES;
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync dev->mode_config.max_height = VBE_DISPI_MAX_YRES;
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync ret = vbox_mode_init(dev);
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync if (ret)
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync goto out_free;
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync ret = vbox_fbdev_init(dev);
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync if (ret)
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync goto out_free;
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync LogFunc(("vboxvideo: %d: vbox=%p, vbox->vram=%p, vbox->full_vram_size=%u\n",
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync __LINE__, vbox, vbox->vram, (unsigned)vbox->full_vram_size));
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync return 0;
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsyncout_free:
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync if (vbox->vram)
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync pci_iounmap(dev->pdev, vbox->vram);
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync kfree(vbox);
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync dev->dev_private = NULL;
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync LogFunc(("vboxvideo: %d: ret=%d\n", __LINE__, ret));
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync return ret;
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync}
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsyncint vbox_driver_unload(struct drm_device *dev)
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync{
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync struct vbox_private *vbox = dev->dev_private;
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync int i;
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync LogFunc(("vboxvideo: %d\n", __LINE__));
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync vbox_mode_fini(dev);
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync vbox_fbdev_fini(dev);
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync drm_mode_config_cleanup(dev);
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync disableVBVA(vbox);
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync vbox_mm_fini(vbox);
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync pci_iounmap(dev->pdev, vbox->vram);
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync kfree(vbox);
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync LogFunc(("vboxvideo: %d\n", __LINE__));
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync return 0;
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync}
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync#if LINUX_VERSION_CODE < KERNEL_VERSION(3, 16, 0)
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsyncstatic bool drm_fb_helper_restore_fbdev_mode_unlocked(struct drm_fb_helper
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync *pHelper)
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync{
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync bool rc;
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync drm_modeset_lock_all(pHelper->dev);
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync rc = drm_fb_helper_restore_fbdev_mode(pHelper);
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync drm_modeset_unlock_all(pHelper->dev);
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync return rc;
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync}
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync#endif
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsyncvoid vbox_driver_lastclose(struct drm_device *pDev)
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync{
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync struct vbox_private *pVBox = pDev->dev_private;
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync if (pVBox->fbdev)
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync drm_fb_helper_restore_fbdev_mode_unlocked(&pVBox->fbdev->helper);
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync}
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsyncint vbox_gem_create(struct drm_device *dev,
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync u32 size, bool iskernel,
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync struct drm_gem_object **obj)
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync{
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync struct vbox_bo *vboxbo;
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync int ret;
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync LogFunc(("vboxvideo: %d: dev=%p, size=%u, iskernel=%u\n", __LINE__,
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync dev, (unsigned)size, (unsigned)iskernel));
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync *obj = NULL;
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync size = roundup(size, PAGE_SIZE);
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync if (size == 0)
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync return -EINVAL;
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync ret = vbox_bo_create(dev, size, 0, 0, &vboxbo);
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync if (ret)
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync {
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync if (ret != -ERESTARTSYS)
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync DRM_ERROR("failed to allocate GEM object\n");
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync return ret;
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync }
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync *obj = &vboxbo->gem;
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync LogFunc(("vboxvideo: %d: obj=%p\n", __LINE__, obj));
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync return 0;
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync}
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsyncint vbox_dumb_create(struct drm_file *file,
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync struct drm_device *dev,
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync struct drm_mode_create_dumb *args)
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync{
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync int ret;
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync struct drm_gem_object *gobj;
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync u32 handle;
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync LogFunc(("vboxvideo: %d: args->width=%u, args->height=%u, args->bpp=%u\n",
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync __LINE__, (unsigned)args->width, (unsigned)args->height,
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync (unsigned)args->bpp));
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync args->pitch = args->width * ((args->bpp + 7) / 8);
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync args->size = args->pitch * args->height;
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync ret = vbox_gem_create(dev, args->size, false,
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync &gobj);
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync if (ret)
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync return ret;
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync ret = drm_gem_handle_create(file, gobj, &handle);
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync drm_gem_object_unreference_unlocked(gobj);
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync if (ret)
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync return ret;
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync args->handle = handle;
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync LogFunc(("vboxvideo: %d: args->handle=%u\n", __LINE__,
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync (unsigned)args->handle));
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync return 0;
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync}
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsyncint vbox_dumb_destroy(struct drm_file *file,
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync struct drm_device *dev,
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync uint32_t handle)
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync{
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync LogFunc(("vboxvideo: %d: dev=%p, handle=%u\n", __LINE__, dev,
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync (unsigned)handle));
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync return drm_gem_handle_delete(file, handle);
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync}
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsyncvoid vbox_bo_unref(struct vbox_bo **bo)
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync{
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync struct ttm_buffer_object *tbo;
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync if ((*bo) == NULL)
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync return;
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync LogFunc(("vboxvideo: %d: bo=%p\n", __LINE__, bo));
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync tbo = &((*bo)->bo);
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync ttm_bo_unref(&tbo);
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync if (tbo == NULL)
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync *bo = NULL;
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync}
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsyncvoid vbox_gem_free_object(struct drm_gem_object *obj)
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync{
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync struct vbox_bo *vbox_bo = gem_to_vbox_bo(obj);
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync LogFunc(("vboxvideo: %d: vbox_bo=%p\n", __LINE__, vbox_bo));
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync if (!vbox_bo)
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync return;
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync vbox_bo_unref(&vbox_bo);
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync}
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsyncstatic inline u64 vbox_bo_mmap_offset(struct vbox_bo *bo)
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync{
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync#if LINUX_VERSION_CODE < KERNEL_VERSION(3, 12, 0)
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync return bo->bo.addr_space_offset;
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync#else
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync return drm_vma_node_offset_addr(&bo->bo.vma_node);
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync#endif
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync}
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsyncint
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsyncvbox_dumb_mmap_offset(struct drm_file *file,
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync struct drm_device *dev,
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync uint32_t handle,
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync uint64_t *offset)
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync{
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync struct drm_gem_object *obj;
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync int ret;
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync struct vbox_bo *bo = NULL;
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync LogFunc(("vboxvideo: %d: dev=%p, handle=%u\n", __LINE__,
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync dev, (unsigned)handle));
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync mutex_lock(&dev->struct_mutex);
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync obj = drm_gem_object_lookup(dev, file, handle);
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync if (obj == NULL)
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync {
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync ret = -ENOENT;
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync goto out_unlock;
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync }
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync bo = gem_to_vbox_bo(obj);
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync *offset = vbox_bo_mmap_offset(bo);
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync drm_gem_object_unreference(obj);
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync ret = 0;
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsyncout_unlock:
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync mutex_unlock(&dev->struct_mutex);
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync LogFunc(("vboxvideo: %d: bo=%p, offset=%llu\n", __LINE__,
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync bo, (unsigned long long)*offset));
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync return ret;
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync
4cedb1a5cf9082f72e6b8373e0dc8a15e312ea46vboxsync}