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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 <drm/drm.h>
#include "qxl_drv.h"
#include "qxl_object.h"
void qxl_gem_object_free(struct drm_gem_object *gobj)
{
struct qxl_bo *qobj = gem_to_qxl_bo(gobj);
struct qxl_device *qdev;
struct ttm_buffer_object *tbo;
qdev = to_qxl(gobj->dev);
qxl_surface_evict(qdev, qobj, false);
tbo = &qobj->tbo;
ttm_bo_put(tbo);
}
int qxl_gem_object_create(struct qxl_device *qdev, int size,
int alignment, int initial_domain,
bool discardable, bool kernel,
struct qxl_surface *surf,
struct drm_gem_object **obj)
{
struct qxl_bo *qbo;
int r;
*obj = NULL;
/* At least align on page size */
if (alignment < PAGE_SIZE)
alignment = PAGE_SIZE;
r = qxl_bo_create(qdev, size, kernel, false, initial_domain, 0, surf, &qbo);
if (r) {
if (r != -ERESTARTSYS)
DRM_ERROR(
"Failed to allocate GEM object (%d, %d, %u, %d)\n",
size, initial_domain, alignment, r);
return r;
}
*obj = &qbo->tbo.base;
mutex_lock(&qdev->gem.mutex);
list_add_tail(&qbo->list, &qdev->gem.objects);
mutex_unlock(&qdev->gem.mutex);
return 0;
}
/*
* If the caller passed a valid gobj pointer, it is responsible to call
* drm_gem_object_put() when it no longer needs to acess the object.
*
* If gobj is NULL, it is handled internally.
*/
int qxl_gem_object_create_with_handle(struct qxl_device *qdev,
struct drm_file *file_priv,
u32 domain,
size_t size,
struct qxl_surface *surf,
struct drm_gem_object **gobj,
uint32_t *handle)
{
int r;
struct drm_gem_object *local_gobj;
BUG_ON(!handle);
r = qxl_gem_object_create(qdev, size, 0,
domain,
false, false, surf,
&local_gobj);
if (r)
return -ENOMEM;
r = drm_gem_handle_create(file_priv, local_gobj, handle);
if (r)
return r;
if (gobj)
*gobj = local_gobj;
else
/* drop reference from allocate - handle holds it now */
drm_gem_object_put(local_gobj);
return 0;
}
int qxl_gem_object_open(struct drm_gem_object *obj, struct drm_file *file_priv)
{
return 0;
}
void qxl_gem_object_close(struct drm_gem_object *obj,
struct drm_file *file_priv)
{
}
void qxl_gem_init(struct qxl_device *qdev)
{
INIT_LIST_HEAD(&qdev->gem.objects);
}
void qxl_gem_fini(struct qxl_device *qdev)
{
qxl_bo_force_delete(qdev);
}
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