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/*
* GK20A Address Spaces
*
* Copyright (c) 2011-2018, NVIDIA CORPORATION. All rights reserved.
*
* 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 AUTHORS OR COPYRIGHT HOLDERS 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.
*/
#ifndef NVGPU_AS_H
#define NVGPU_AS_H
#include <nvgpu/types.h>
struct vm_gk20a;
struct gk20a;
struct gk20a_as {
int last_share_id; /* dummy allocator for now */
};
struct gk20a_as_share {
struct gk20a_as *as;
struct vm_gk20a *vm;
int id;
};
/*
* AS allocation flags.
*/
#define NVGPU_AS_ALLOC_USERSPACE_MANAGED (1 << 0)
int gk20a_as_release_share(struct gk20a_as_share *as_share);
/* if big_page_size == 0, the default big page size is used */
int gk20a_as_alloc_share(struct gk20a *g, u32 big_page_size,
u32 flags, struct gk20a_as_share **out);
struct gk20a *gk20a_from_as(struct gk20a_as *as);
#endif /* NVGPU_AS_H */
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