1 /* 2 * Copyright 2013 Red Hat Inc. 3 * 4 * Permission is hereby granted, free of charge, to any person obtaining a 5 * copy of this software and associated documentation files (the "Software"), 6 * to deal in the Software without restriction, including without limitation 7 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 8 * and/or sell copies of the Software, and to permit persons to whom the 9 * Software is furnished to do so, subject to the following conditions: 10 * 11 * The above copyright notice and this permission notice shall be included in 12 * all copies or substantial portions of the Software. 13 * 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 18 * 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 OR 20 * OTHER DEALINGS IN THE SOFTWARE. 21 * 22 * Authors: Dave Airlie 23 * Alon Levy 24 */ 25 26 #include "drmP.h" 27 #include "drm/drm.h" 28 #include "qxl_drv.h" 29 #include "qxl_object.h" 30 31 void qxl_gem_object_free(struct drm_gem_object *gobj) 32 { 33 struct qxl_bo *qobj = gem_to_qxl_bo(gobj); 34 35 if (qobj) 36 qxl_bo_unref(&qobj); 37 } 38 39 int qxl_gem_object_create(struct qxl_device *qdev, int size, 40 int alignment, int initial_domain, 41 bool discardable, bool kernel, 42 struct qxl_surface *surf, 43 struct drm_gem_object **obj) 44 { 45 struct qxl_bo *qbo; 46 int r; 47 48 *obj = NULL; 49 /* At least align on page size */ 50 if (alignment < PAGE_SIZE) 51 alignment = PAGE_SIZE; 52 r = qxl_bo_create(qdev, size, kernel, false, initial_domain, surf, &qbo); 53 if (r) { 54 if (r != -ERESTARTSYS) 55 DRM_ERROR( 56 "Failed to allocate GEM object (%d, %d, %u, %d)\n", 57 size, initial_domain, alignment, r); 58 return r; 59 } 60 *obj = &qbo->gem_base; 61 62 mutex_lock(&qdev->gem.mutex); 63 list_add_tail(&qbo->list, &qdev->gem.objects); 64 mutex_unlock(&qdev->gem.mutex); 65 66 return 0; 67 } 68 69 int qxl_gem_object_create_with_handle(struct qxl_device *qdev, 70 struct drm_file *file_priv, 71 u32 domain, 72 size_t size, 73 struct qxl_surface *surf, 74 struct qxl_bo **qobj, 75 uint32_t *handle) 76 { 77 struct drm_gem_object *gobj; 78 int r; 79 80 BUG_ON(!qobj); 81 BUG_ON(!handle); 82 83 r = qxl_gem_object_create(qdev, size, 0, 84 domain, 85 false, false, surf, 86 &gobj); 87 if (r) 88 return -ENOMEM; 89 r = drm_gem_handle_create(file_priv, gobj, handle); 90 if (r) 91 return r; 92 /* drop reference from allocate - handle holds it now */ 93 *qobj = gem_to_qxl_bo(gobj); 94 drm_gem_object_unreference_unlocked(gobj); 95 return 0; 96 } 97 98 int qxl_gem_object_open(struct drm_gem_object *obj, struct drm_file *file_priv) 99 { 100 return 0; 101 } 102 103 void qxl_gem_object_close(struct drm_gem_object *obj, 104 struct drm_file *file_priv) 105 { 106 } 107 108 int qxl_gem_init(struct qxl_device *qdev) 109 { 110 INIT_LIST_HEAD(&qdev->gem.objects); 111 return 0; 112 } 113 114 void qxl_gem_fini(struct qxl_device *qdev) 115 { 116 qxl_bo_force_delete(qdev); 117 } 118