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kernel add
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/*
* Copyright 2013 Red Hat Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*
* Authors: Dave Airlie
* Alon Levy
*/
#ifndef QXL_OBJECT_H
#define QXL_OBJECT_H
#include "qxl_drv.h"
static inline int qxl_bo_reserve(struct qxl_bo *bo, bool no_wait)
{
int r;
r = ttm_bo_reserve(&bo->tbo, true, no_wait, false, NULL);
if (unlikely(r != 0)) {
if (r != -ERESTARTSYS) {
struct qxl_device *qdev = (struct qxl_device *)bo->gem_base.dev->dev_private;
dev_err(qdev->dev, "%p reserve failed
", bo);
}
return r;
}
return 0;
}
static inline void qxl_bo_unreserve(struct qxl_bo *bo)
{
ttm_bo_unreserve(&bo->tbo);
}
static inline u64 qxl_bo_gpu_offset(struct qxl_bo *bo)
{
return bo->tbo.offset;
}
static inline unsigned long qxl_bo_size(struct qxl_bo *bo)
{
return bo->tbo.num_pages << PAGE_SHIFT;
}
static inline u64 qxl_bo_mmap_offset(struct qxl_bo *bo)
{
return drm_vma_node_offset_addr(&bo->tbo.vma_node);
}
static inline int qxl_bo_wait(struct qxl_bo *bo, u32 *mem_type,
bool no_wait)
{
int r;
r = ttm_bo_reserve(&bo->tbo, true, no_wait, false, NULL);
if (unlikely(r != 0)) {
if (r != -ERESTARTSYS) {
struct qxl_device *qdev = (struct qxl_device *)bo->gem_base.dev->dev_private;
dev_err(qdev->dev, "%p reserve failed for wait
",
bo);
}
return r;
}
if (mem_type)
*mem_type = bo->tbo.mem.mem_type;
r = ttm_bo_wait(&bo->tbo, true, true, no_wait);
ttm_bo_unreserve(&bo->tbo);
return r;
}
extern int qxl_bo_create(struct qxl_device *qdev,
unsigned long size,
bool kernel, bool pinned, u32 domain,
struct qxl_surface *surf,
struct qxl_bo **bo_ptr);
extern int qxl_bo_kmap(struct qxl_bo *bo, void **ptr);
extern void qxl_bo_kunmap(struct qxl_bo *bo);
void *qxl_bo_kmap_atomic_page(struct qxl_device *qdev, struct qxl_bo *bo, int page_offset);
void qxl_bo_kunmap_atomic_page(struct qxl_device *qdev, struct qxl_bo *bo, void *map);
extern struct qxl_bo *qxl_bo_ref(struct qxl_bo *bo);
extern void qxl_bo_unref(struct qxl_bo **bo);
extern int qxl_bo_pin(struct qxl_bo *bo, u32 domain, u64 *gpu_addr);
extern int qxl_bo_unpin(struct qxl_bo *bo);
extern void qxl_ttm_placement_from_domain(struct qxl_bo *qbo, u32 domain, bool pinned);
extern bool qxl_ttm_bo_is_qxl_bo(struct ttm_buffer_object *bo);
#endif
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