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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
#include <stdint.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);
void *gem_mmap_offset__cpu(int fd, uint32_t handle, uint64_t offset,
uint64_t size, unsigned prot);
bool gem_mmap__has_wc(int fd);
bool gem_mmap_offset__has_wc(int fd);
void *gem_mmap__wc(int fd, uint32_t handle, uint64_t offset, uint64_t size, unsigned prot);
void *gem_mmap_offset__wc(int fd, uint32_t handle, uint64_t offset,
uint64_t size, unsigned prot);
void *gem_mmap_offset__fixed(int fd, uint32_t handle, uint64_t offset,
uint64_t size, unsigned prot);
void *gem_mmap__device_coherent(int fd, uint32_t handle, uint64_t offset,
uint64_t size, unsigned prot);
bool gem_mmap__has_device_coherent(int fd);
void *gem_mmap__cpu_coherent(int fd, uint32_t handle, uint64_t offset,
uint64_t size, unsigned prot);
bool gem_has_mappable_ggtt(int i915);
void gem_require_mappable_ggtt(int i915);
bool gem_has_mmap_offset(int fd);
bool gem_has_legacy_mmap(int fd);
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_offset__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);
void *__gem_mmap_offset__wc(int fd, uint32_t handle, uint64_t offset,
uint64_t size, unsigned prot);
void *__gem_mmap_offset__fixed(int fd, uint32_t handle, uint64_t offset,
uint64_t size, unsigned prot);
void *__gem_mmap__device_coherent(int fd, uint32_t handle, uint64_t offset,
uint64_t size, unsigned prot);
void *__gem_mmap_offset(int fd, uint32_t handle, uint64_t offset, uint64_t size,
unsigned int prot, uint64_t flags);
void *__gem_mmap__cpu_coherent(int fd, uint32_t handle, uint64_t offset,
uint64_t size, unsigned prot);
int gem_munmap(void *ptr, uint64_t size);
/**
* gem_require_mmap_offset:
* @fd: open i915 drm file descriptor
*
* Feature test macro to query whether is possible to map memory using mmap
* offset interface. Automatically skips through igt_require() if not.
*/
#define gem_require_mmap_offset(fd) igt_require(gem_has_mmap_offset(fd))
/**
* 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))
/**
* gem_require_mmap_offset_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_offset_wc(fd) igt_require(gem_mmap_offset__has_wc(fd))
/**
* gem_require_mmap_offset_device_coherent:
* @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, or fixed mapping for
* discrete. Automatically skips through igt_require() if not.
*/
#define gem_require_mmap_device_coherent(fd) igt_require(gem_mmap__has_device_coherent(fd))
extern const struct mmap_offset {
const char *name;
unsigned int type;
unsigned int domain;
} mmap_offset_types[];
bool gem_has_mmap_offset_type(int fd, const struct mmap_offset *t);
#define for_each_mmap_offset_type(fd, __t) \
for (const struct mmap_offset *__t = mmap_offset_types; \
(__t)->name; \
(__t)++) \
for_each_if(gem_has_mmap_offset_type((fd), (__t)))
uint64_t gem_available_aperture_size(int fd);
uint64_t gem_aperture_size(int fd);
uint64_t gem_global_aperture_size(int fd);
uint64_t gem_mappable_aperture_size(int fd);
int gem_available_fences(int fd);
#endif /* GEM_MMAN_H */
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