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kernel add
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/*
* Copyright 2013 Red Hat Inc.
*
* 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, sublicense,
* 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 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 NONINFRINGEMENT. IN NO EVENT SHALL
* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) 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.
*
* Authors: Dave Airlie
* Alon Levy
*/
#include "qxl_drv.h"
#include "qxl_object.h"
/* dumb ioctls implementation */
int qxl_mode_dumb_create(struct drm_file *file_priv,
struct drm_device *dev,
struct drm_mode_create_dumb *args)
{
struct qxl_device *qdev = dev->dev_private;
struct qxl_bo *qobj;
uint32_t handle;
int r;
struct qxl_surface surf;
uint32_t pitch, format;
pitch = args->width * ((args->bpp + 1) / 8);
args->size = pitch * args->height;
args->size = ALIGN(args->size, PAGE_SIZE);
switch (args->bpp) {
case 16:
format = SPICE_SURFACE_FMT_16_565;
break;
case 32:
format = SPICE_SURFACE_FMT_32_xRGB;
break;
default:
return -EINVAL;
}
surf.width = args->width;
surf.height = args->height;
surf.stride = pitch;
surf.format = format;
r = qxl_gem_object_create_with_handle(qdev, file_priv,
QXL_GEM_DOMAIN_VRAM,
args->size, &surf, &qobj,
&handle);
if (r)
return r;
args->pitch = pitch;
args->handle = handle;
return 0;
}
int qxl_mode_dumb_mmap(struct drm_file *file_priv,
struct drm_device *dev,
uint32_t handle, uint64_t *offset_p)
{
struct drm_gem_object *gobj;
struct qxl_bo *qobj;
BUG_ON(!offset_p);
gobj = drm_gem_object_lookup(dev, file_priv, handle);
if (gobj == NULL)
return -ENOENT;
qobj = gem_to_qxl_bo(gobj);
*offset_p = qxl_bo_mmap_offset(qobj);
drm_gem_object_unreference_unlocked(gobj);
return 0;
}
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