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providers/ionic/ionic_memory.h
38 строк
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Abhijit Gangurde
ionic: Add ionic provider
23 окт 2025, 07:55
23 окт 2025, 07:55
6d82ac7
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/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */ /* * Copyright (c) 2018-2025 Advanced Micro Devices, Inc. All rights reserved. */ #ifndef IONIC_MEMORY_H #define IONIC_MEMORY_H #include <stdlib.h> /** * ionic_map_anon() - Allocate page-aligned anonymous memory * @size: Size to allocate * * Return: pointer to first page of memory, or NULL */ void *ionic_map_anon(size_t size); /** * ionic_map_device() - Map device memory via fd and offset * @size: Size to map * @fd: File descriptor representing the device context * @offset: Offset provided by the kernel as a handle for the mapping * * The mapping may be write-only, and may use write-combining. * * Return: pointer to first page of the mapping, or NULL */ void *ionic_map_device(size_t size, int fd, size_t offset); /** * ionic_unmap() - Unmap anonymous or device memory * @ptr: Pointer to the first page, or NULL (do nothing) * @size: Size of the map */ void ionic_unmap(void *ptr, size_t size); #endif /* IONIC_MEMORY_H */