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1/*2 * Copyright 2013 Red Hat Inc.3 *4 * Permission is hereby granted, free of charge, to any person obtaining a5 * copy of this software and associated documentation files (the "Software"),6 * to deal in the Software without restriction, including without limitation7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,8 * and/or sell copies of the Software, and to permit persons to whom the9 * Software is furnished to do so, subject to the following conditions:10 *11 * The above copyright notice and this permission notice shall be included in12 * all copies or substantial portions of the Software.13 *14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR20 * OTHER DEALINGS IN THE SOFTWARE.21 *22 * Authors: Dave Airlie23 * Alon Levy24 */25 26#include <drm/drm.h>27 28#include "qxl_drv.h"29#include "qxl_object.h"30 31void qxl_gem_object_free(struct drm_gem_object *gobj)32{33 struct qxl_bo *qobj = gem_to_qxl_bo(gobj);34 struct qxl_device *qdev;35 struct ttm_buffer_object *tbo;36 37 qdev = to_qxl(gobj->dev);38 39 qxl_surface_evict(qdev, qobj, false);40 41 tbo = &qobj->tbo;42 ttm_bo_put(tbo);43}44 45int qxl_gem_object_create(struct qxl_device *qdev, int size,46 int alignment, int initial_domain,47 bool discardable, bool kernel,48 struct qxl_surface *surf,49 struct drm_gem_object **obj)50{51 struct qxl_bo *qbo;52 int r;53 54 *obj = NULL;55 /* At least align on page size */56 if (alignment < PAGE_SIZE)57 alignment = PAGE_SIZE;58 r = qxl_bo_create(qdev, size, kernel, false, initial_domain, 0, surf, &qbo);59 if (r) {60 if (r != -ERESTARTSYS)61 DRM_ERROR(62 "Failed to allocate GEM object (%d, %d, %u, %d)\n",63 size, initial_domain, alignment, r);64 return r;65 }66 *obj = &qbo->tbo.base;67 68 mutex_lock(&qdev->gem.mutex);69 list_add_tail(&qbo->list, &qdev->gem.objects);70 mutex_unlock(&qdev->gem.mutex);71 72 return 0;73}74 75/*76 * If the caller passed a valid gobj pointer, it is responsible to call77 * drm_gem_object_put() when it no longer needs to acess the object.78 *79 * If gobj is NULL, it is handled internally.80 */81int qxl_gem_object_create_with_handle(struct qxl_device *qdev,82 struct drm_file *file_priv,83 u32 domain,84 size_t size,85 struct qxl_surface *surf,86 struct drm_gem_object **gobj,87 uint32_t *handle)88{89 int r;90 struct drm_gem_object *local_gobj;91 92 BUG_ON(!handle);93 94 r = qxl_gem_object_create(qdev, size, 0,95 domain,96 false, false, surf,97 &local_gobj);98 if (r)99 return -ENOMEM;100 r = drm_gem_handle_create(file_priv, local_gobj, handle);101 if (r)102 return r;103 104 if (gobj)105 *gobj = local_gobj;106 else107 /* drop reference from allocate - handle holds it now */108 drm_gem_object_put(local_gobj);109 110 return 0;111}112 113int qxl_gem_object_open(struct drm_gem_object *obj, struct drm_file *file_priv)114{115 return 0;116}117 118void qxl_gem_object_close(struct drm_gem_object *obj,119 struct drm_file *file_priv)120{121}122 123void qxl_gem_init(struct qxl_device *qdev)124{125 INIT_LIST_HEAD(&qdev->gem.objects);126}127 128void qxl_gem_fini(struct qxl_device *qdev)129{130 qxl_bo_force_delete(qdev);131}132