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f63f6a59d3
Since we don't allow user-space to map the fifo anymore, add a parameter to get fifo hw version and an ioctl to copy the 3D capabilities. Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com> Reviewed-by: Jakob Bornecranz <jakob@vmware.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
113 lines
3.4 KiB
C
113 lines
3.4 KiB
C
/**************************************************************************
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*
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* Copyright © 2009 VMware, Inc., Palo Alto, CA., USA
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* All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sub license, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial portions
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* of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
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* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
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* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
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* USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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**************************************************************************/
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#include "vmwgfx_drv.h"
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#include "vmwgfx_drm.h"
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int vmw_getparam_ioctl(struct drm_device *dev, void *data,
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struct drm_file *file_priv)
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{
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struct vmw_private *dev_priv = vmw_priv(dev);
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struct drm_vmw_getparam_arg *param =
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(struct drm_vmw_getparam_arg *)data;
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switch (param->param) {
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case DRM_VMW_PARAM_NUM_STREAMS:
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param->value = vmw_overlay_num_overlays(dev_priv);
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break;
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case DRM_VMW_PARAM_NUM_FREE_STREAMS:
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param->value = vmw_overlay_num_free_overlays(dev_priv);
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break;
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case DRM_VMW_PARAM_3D:
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param->value = vmw_fifo_have_3d(dev_priv) ? 1 : 0;
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break;
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case DRM_VMW_PARAM_HW_CAPS:
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param->value = dev_priv->capabilities;
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break;
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case DRM_VMW_PARAM_FIFO_CAPS:
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param->value = dev_priv->fifo.capabilities;
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break;
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case DRM_VMW_PARAM_MAX_FB_SIZE:
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param->value = dev_priv->vram_size;
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break;
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case DRM_VMW_PARAM_FIFO_HW_VERSION:
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{
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__le32 __iomem *fifo_mem = dev_priv->mmio_virt;
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param->value = ioread32(fifo_mem + SVGA_FIFO_3D_HWVERSION);
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break;
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}
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default:
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DRM_ERROR("Illegal vmwgfx get param request: %d\n",
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param->param);
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return -EINVAL;
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}
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return 0;
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}
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int vmw_get_cap_3d_ioctl(struct drm_device *dev, void *data,
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struct drm_file *file_priv)
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{
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struct drm_vmw_get_3d_cap_arg *arg =
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(struct drm_vmw_get_3d_cap_arg *) data;
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struct vmw_private *dev_priv = vmw_priv(dev);
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uint32_t size;
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__le32 __iomem *fifo_mem;
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void __user *buffer = (void __user *)((unsigned long)(arg->buffer));
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void *bounce;
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int ret;
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if (unlikely(arg->pad64 != 0)) {
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DRM_ERROR("Illegal GET_3D_CAP argument.\n");
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return -EINVAL;
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}
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size = (SVGA_FIFO_3D_CAPS_LAST - SVGA_FIFO_3D_CAPS + 1) << 2;
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if (arg->max_size < size)
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size = arg->max_size;
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bounce = vmalloc(size);
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if (unlikely(bounce == NULL)) {
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DRM_ERROR("Failed to allocate bounce buffer for 3D caps.\n");
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return -ENOMEM;
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}
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fifo_mem = dev_priv->mmio_virt;
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memcpy_fromio(bounce, &fifo_mem[SVGA_FIFO_3D_CAPS], size);
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ret = copy_to_user(buffer, bounce, size);
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vfree(bounce);
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if (unlikely(ret != 0))
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DRM_ERROR("Failed to report 3D caps info.\n");
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return ret;
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}
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