cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
Log | Files | Refs | README | LICENSE | sfeed.txt

qxl_object.h (2621B)

      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#ifndef QXL_OBJECT_H
     26#define QXL_OBJECT_H
     27
     28#include "qxl_drv.h"
     29
     30static inline int qxl_bo_reserve(struct qxl_bo *bo)
     31{
     32	int r;
     33
     34	r = ttm_bo_reserve(&bo->tbo, true, false, NULL);
     35	if (unlikely(r != 0)) {
     36		if (r != -ERESTARTSYS) {
     37			struct drm_device *ddev = bo->tbo.base.dev;
     38
     39			dev_err(ddev->dev, "%p reserve failed\n", bo);
     40		}
     41		return r;
     42	}
     43	return 0;
     44}
     45
     46static inline void qxl_bo_unreserve(struct qxl_bo *bo)
     47{
     48	ttm_bo_unreserve(&bo->tbo);
     49}
     50
     51static inline unsigned long qxl_bo_size(struct qxl_bo *bo)
     52{
     53	return bo->tbo.base.size;
     54}
     55
     56extern int qxl_bo_create(struct qxl_device *qdev,
     57			 unsigned long size,
     58			 bool kernel, bool pinned, u32 domain,
     59			 u32 priority,
     60			 struct qxl_surface *surf,
     61			 struct qxl_bo **bo_ptr);
     62int qxl_bo_vmap(struct qxl_bo *bo, struct iosys_map *map);
     63int qxl_bo_vmap_locked(struct qxl_bo *bo, struct iosys_map *map);
     64int qxl_bo_vunmap(struct qxl_bo *bo);
     65void qxl_bo_vunmap_locked(struct qxl_bo *bo);
     66void *qxl_bo_kmap_atomic_page(struct qxl_device *qdev, struct qxl_bo *bo, int page_offset);
     67void qxl_bo_kunmap_atomic_page(struct qxl_device *qdev, struct qxl_bo *bo, void *map);
     68extern struct qxl_bo *qxl_bo_ref(struct qxl_bo *bo);
     69extern void qxl_bo_unref(struct qxl_bo **bo);
     70extern int qxl_bo_pin(struct qxl_bo *bo);
     71extern int qxl_bo_unpin(struct qxl_bo *bo);
     72extern void qxl_ttm_placement_from_domain(struct qxl_bo *qbo, u32 domain);
     73extern bool qxl_ttm_bo_is_qxl_bo(struct ttm_buffer_object *bo);
     74
     75#endif