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 "virtgpu_drv.h" 26 27 /* Empty Implementations as there should not be any other driver for a virtual 28 * device that might share buffers with virtgpu */ 29 30 int virtgpu_gem_prime_pin(struct drm_gem_object *obj) 31 { 32 WARN_ONCE(1, "not implemented"); 33 return -ENODEV; 34 } 35 36 void virtgpu_gem_prime_unpin(struct drm_gem_object *obj) 37 { 38 WARN_ONCE(1, "not implemented"); 39 } 40 41 42 struct sg_table *virtgpu_gem_prime_get_sg_table(struct drm_gem_object *obj) 43 { 44 WARN_ONCE(1, "not implemented"); 45 return ERR_PTR(-ENODEV); 46 } 47 48 struct drm_gem_object *virtgpu_gem_prime_import_sg_table( 49 struct drm_device *dev, struct dma_buf_attachment *attach, 50 struct sg_table *table) 51 { 52 WARN_ONCE(1, "not implemented"); 53 return ERR_PTR(-ENODEV); 54 } 55 56 void *virtgpu_gem_prime_vmap(struct drm_gem_object *obj) 57 { 58 WARN_ONCE(1, "not implemented"); 59 return ERR_PTR(-ENODEV); 60 } 61 62 void virtgpu_gem_prime_vunmap(struct drm_gem_object *obj, void *vaddr) 63 { 64 WARN_ONCE(1, "not implemented"); 65 } 66 67 int virtgpu_gem_prime_mmap(struct drm_gem_object *obj, 68 struct vm_area_struct *area) 69 { 70 return -ENODEV; 71 } 72