48 lines
1.5 KiB
C
48 lines
1.5 KiB
C
/* SPDX-License-Identifier: MIT */
|
|
/*
|
|
* Copyright © 2024 Intel Corporation
|
|
*/
|
|
|
|
#ifndef _XE_GUC_BUF_H_
|
|
#define _XE_GUC_BUF_H_
|
|
|
|
#include <linux/cleanup.h>
|
|
#include <linux/err.h>
|
|
|
|
#include "xe_guc_buf_types.h"
|
|
|
|
int xe_guc_buf_cache_init(struct xe_guc_buf_cache *cache);
|
|
u32 xe_guc_buf_cache_dwords(struct xe_guc_buf_cache *cache);
|
|
struct xe_guc_buf xe_guc_buf_reserve(struct xe_guc_buf_cache *cache, u32 dwords);
|
|
struct xe_guc_buf xe_guc_buf_from_data(struct xe_guc_buf_cache *cache,
|
|
const void *data, size_t size);
|
|
void xe_guc_buf_release(const struct xe_guc_buf buf);
|
|
|
|
/**
|
|
* xe_guc_buf_is_valid() - Check if a buffer reference is valid.
|
|
* @buf: the &xe_guc_buf reference to check
|
|
*
|
|
* Return: true if @ref represents a valid sub-allication.
|
|
*/
|
|
static inline bool xe_guc_buf_is_valid(const struct xe_guc_buf buf)
|
|
{
|
|
return !IS_ERR_OR_NULL(buf.sa);
|
|
}
|
|
|
|
void *xe_guc_buf_cpu_ptr(const struct xe_guc_buf buf);
|
|
u64 xe_guc_buf_flush(const struct xe_guc_buf buf);
|
|
u64 xe_guc_buf_gpu_addr(const struct xe_guc_buf buf);
|
|
u64 xe_guc_cache_gpu_addr_from_ptr(struct xe_guc_buf_cache *cache, const void *ptr, u32 size);
|
|
|
|
DEFINE_CLASS(xe_guc_buf, struct xe_guc_buf,
|
|
xe_guc_buf_release(_T),
|
|
xe_guc_buf_reserve(cache, num),
|
|
struct xe_guc_buf_cache *cache, u32 num);
|
|
|
|
DEFINE_CLASS(xe_guc_buf_from_data, struct xe_guc_buf,
|
|
xe_guc_buf_release(_T),
|
|
xe_guc_buf_from_data(cache, data, size),
|
|
struct xe_guc_buf_cache *cache, const void *data, size_t size);
|
|
|
|
#endif
|