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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 "drmP.h"
#include "drm/drm.h"
#include "qxl_drv.h"
#include "qxl_object.h"
int qxl_gem_object_init(struct drm_gem_object *obj)
{
/* we do nothings here */
return 0;
}
void qxl_gem_object_free(struct drm_gem_object *gobj)
{
struct qxl_bo *qobj = gem_to_qxl_bo(gobj);
if (qobj)
qxl_bo_unref(&qobj);
}
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, initial_domain, 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->gem_base;
mutex_lock(&qdev->gem.mutex);
list_add_tail(&qbo->list, &qdev->gem.objects);
mutex_unlock(&qdev->gem.mutex);
return 0;
}
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 qxl_bo **qobj,
uint32_t *handle)
{
struct drm_gem_object *gobj;
int r;
BUG_ON(!qobj);
BUG_ON(!handle);
r = qxl_gem_object_create(qdev, size, 0,
domain,
false, false, surf,
&gobj);
if (r)
return -ENOMEM;
r = drm_gem_handle_create(file_priv, gobj, handle);
if (r)
return r;
/* drop reference from allocate - handle holds it now */
*qobj = gem_to_qxl_bo(gobj);
drm_gem_object_unreference_unlocked(gobj);
return 0;
}
int qxl_gem_object_pin(struct drm_gem_object *obj, uint32_t pin_domain,
uint64_t *gpu_addr)
{
struct qxl_bo *qobj = obj->driver_private;
int r;
r = qxl_bo_reserve(qobj, false);
if (unlikely(r != 0))
return r;
r = qxl_bo_pin(qobj, pin_domain, gpu_addr);
qxl_bo_unreserve(qobj);
return r;
}
void qxl_gem_object_unpin(struct drm_gem_object *obj)
{
struct qxl_bo *qobj = obj->driver_private;
int r;
r = qxl_bo_reserve(qobj, false);
if (likely(r == 0)) {
qxl_bo_unpin(qobj);
qxl_bo_unreserve(qobj);
}
}
int qxl_gem_set_domain(struct drm_gem_object *gobj,
uint32_t rdomain, uint32_t wdomain)
{
struct qxl_bo *qobj;
uint32_t domain;
int r;
/* FIXME: reeimplement */
qobj = gobj->driver_private;
/* work out where to validate the buffer to */
domain = wdomain;
if (!domain)
domain = rdomain;
if (!domain) {
/* Do nothings */
pr_warn("Set domain withou domain !\n");
return 0;
}
if (domain == QXL_GEM_DOMAIN_CPU) {
/* Asking for cpu access wait for object idle */
r = qxl_bo_wait(qobj, NULL, false);
if (r) {
pr_err("Failed to wait for object !\n");
return r;
}
}
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)
{
}
int qxl_gem_init(struct qxl_device *qdev)
{
INIT_LIST_HEAD(&qdev->gem.objects);
return 0;
}
void qxl_gem_fini(struct qxl_device *qdev)
{
qxl_bo_force_delete(qdev);
}
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