1 /* 2 * Copyright 2014 Canonical 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: Andreas Pokorny 23 */ 24 25 #include "qxl_drv.h" 26 #include "qxl_object.h" 27 28 /* Empty Implementations as there should not be any other driver for a virtual 29 * device that might share buffers with qxl */ 30 31 int qxl_gem_prime_pin(struct drm_gem_object *obj) 32 { 33 struct qxl_bo *bo = gem_to_qxl_bo(obj); 34 35 return qxl_bo_pin(bo); 36 } 37 38 void qxl_gem_prime_unpin(struct drm_gem_object *obj) 39 { 40 struct qxl_bo *bo = gem_to_qxl_bo(obj); 41 42 qxl_bo_unpin(bo); 43 } 44 45 struct sg_table *qxl_gem_prime_get_sg_table(struct drm_gem_object *obj) 46 { 47 return ERR_PTR(-ENOSYS); 48 } 49 50 struct drm_gem_object *qxl_gem_prime_import_sg_table( 51 struct drm_device *dev, struct dma_buf_attachment *attach, 52 struct sg_table *table) 53 { 54 return ERR_PTR(-ENOSYS); 55 } 56 57 int qxl_gem_prime_vmap(struct drm_gem_object *obj, struct iosys_map *map) 58 { 59 struct qxl_bo *bo = gem_to_qxl_bo(obj); 60 int ret; 61 62 ret = qxl_bo_vmap_locked(bo, map); 63 if (ret < 0) 64 return ret; 65 66 return 0; 67 } 68 69 void qxl_gem_prime_vunmap(struct drm_gem_object *obj, 70 struct iosys_map *map) 71 { 72 struct qxl_bo *bo = gem_to_qxl_bo(obj); 73 74 qxl_bo_vunmap_locked(bo); 75 } 76