| Zach Reizner | 502e95c | 2015-03-04 16:33:41 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright © 2012 Intel Corporation |
| 3 | * Copyright © 2014 The Chromium OS Authors |
| 4 | * |
| 5 | * Permission is hereby granted, free of charge, to any person obtaining a |
| 6 | * copy of this software and associated documentation files (the "Software"), |
| 7 | * to deal in the Software without restriction, including without limitation |
| 8 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| 9 | * and/or sell copies of the Software, and to permit persons to whom the |
| 10 | * Software is furnished to do so, subject to the following conditions: |
| 11 | * |
| 12 | * The above copyright notice and this permission notice (including the next |
| 13 | * paragraph) shall be included in all copies or substantial portions of the |
| 14 | * Software. |
| 15 | * |
| 16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 17 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 18 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| 19 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| 20 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
| 21 | * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS |
| 22 | * IN THE SOFTWARE. |
| 23 | * |
| 24 | * Authors: |
| 25 | * Ben Widawsky <ben@bwidawsk.net> |
| 26 | * |
| 27 | */ |
| 28 | |
| 29 | #ifndef _VGEM_DRV_H_ |
| 30 | #define _VGEM_DRV_H_ |
| 31 | |
| 32 | #include <drm/drmP.h> |
| 33 | #include <drm/drm_gem.h> |
| 34 | |
| 35 | #define to_vgem_bo(x) container_of(x, struct drm_vgem_gem_object, base) |
| 36 | struct drm_vgem_gem_object { |
| 37 | struct drm_gem_object base; |
| 38 | struct page **pages; |
| 39 | bool use_dma_buf; |
| 40 | }; |
| 41 | |
| 42 | /* vgem_drv.c */ |
| 43 | extern void vgem_gem_put_pages(struct drm_vgem_gem_object *obj); |
| 44 | extern int vgem_gem_get_pages(struct drm_vgem_gem_object *obj); |
| 45 | |
| 46 | /* vgem_dma_buf.c */ |
| 47 | extern struct sg_table *vgem_gem_prime_get_sg_table( |
| 48 | struct drm_gem_object *gobj); |
| 49 | extern int vgem_gem_prime_pin(struct drm_gem_object *gobj); |
| 50 | extern void vgem_gem_prime_unpin(struct drm_gem_object *gobj); |
| 51 | extern void *vgem_gem_prime_vmap(struct drm_gem_object *gobj); |
| 52 | extern void vgem_gem_prime_vunmap(struct drm_gem_object *obj, void *vaddr); |
| 53 | extern struct drm_gem_object *vgem_gem_prime_import(struct drm_device *dev, |
| 54 | struct dma_buf *dma_buf); |
| 55 | |
| 56 | |
| 57 | #endif |