389e2406d3
Expose ion_alloc() to kernel space clients. Users of this function will receive a dma-buf structure for sharing the ION buffer that was allocated. Bug: 133508579 Test: ion-unit-tests Change-Id: I410044127ba92a759a79c65e422b0b75b74e2159 Signed-off-by: Isaac J. Manjarres <isaacm@codeaurora.org> Signed-off-by: Sandeep Patil <sspatil@google.com>
27 lines
550 B
C
27 lines
550 B
C
/* SPDX-License-Identifier: GPL-2.0-only */
|
|
/*
|
|
* Copyright (c) 2019, The Linux Foundation. All rights reserved.
|
|
*/
|
|
|
|
#ifndef _ION_KERNEL_H
|
|
#define _ION_KERNEL_H
|
|
|
|
#include <linux/dma-buf.h>
|
|
#include <linux/err.h>
|
|
|
|
#ifdef CONFIG_ION
|
|
/*
|
|
* Allocates an ION buffer.
|
|
*/
|
|
struct dma_buf *ion_alloc(size_t len, unsigned int heap_id_mask,
|
|
unsigned int flags);
|
|
|
|
#else
|
|
static inline struct dma_buf *ion_alloc(size_t len, unsigned int heap_id_mask,
|
|
unsigned int flags)
|
|
{
|
|
return ERR_PTR(-ENOMEM);
|
|
}
|
|
#endif /* CONFIG_ION */
|
|
#endif /* _ION_KERNEL_H */
|