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/*
* Copyright © 2007, 2011, 2013, 2014, 2019 Intel Corporation
*
* 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 (including the next
* paragraph) 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 GEM_MMAN_H
#define GEM_MMAN_H
void *gem_mmap__gtt(int fd, uint32_t handle, uint64_t size, unsigned prot);
void *gem_mmap__cpu(int fd, uint32_t handle, uint64_t offset, uint64_t size, unsigned prot);
bool gem_mmap__has_wc(int fd);
void *gem_mmap__wc(int fd, uint32_t handle, uint64_t offset, uint64_t size, unsigned prot);
#ifndef I915_GEM_DOMAIN_WC
#define I915_GEM_DOMAIN_WC 0x80
#endif
void *__gem_mmap__gtt(int fd, uint32_t handle, uint64_t size, unsigned prot);
void *__gem_mmap__cpu(int fd, uint32_t handle, uint64_t offset, uint64_t size, unsigned prot);
void *__gem_mmap__wc(int fd, uint32_t handle, uint64_t offset, uint64_t size, unsigned prot);
int gem_munmap(void *ptr, uint64_t size);
/**
* gem_require_mmap_wc:
* @fd: open i915 drm file descriptor
*
* Feature test macro to query whether direct (i.e. cpu access path, bypassing
* the gtt) write-combine memory mappings are available. Automatically skips
* through igt_require() if not.
*/
#define gem_require_mmap_wc(fd) igt_require(gem_mmap__has_wc(fd))
#endif /* GEM_MMAN_H */
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