doca_dpa_dev_buf.h

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/*
 * Copyright (c) 2023 NVIDIA CORPORATION & AFFILIATES, ALL RIGHTS RESERVED.
 *
 * This software product is a proprietary product of NVIDIA CORPORATION &
 * AFFILIATES (the "Company") and all right, title, and interest in and to the
 * software product, including all associated intellectual property rights, are
 * and shall remain exclusively with the Company.
 *
 * This software product is governed by the End User License Agreement
 * provided with the software product.
 *
 */
 
#ifndef DOCA_DPA_DEV_BUF_H_
#define DOCA_DPA_DEV_BUF_H_
 
#include <doca_dpa_dev.h>
 
#ifdef __cplusplus
extern "C" {
#endif
 
__dpa_global__ typedef uint32_t doca_dpa_dev_mmap_t;
 
__dpa_global__ typedef uint64_t doca_dpa_dev_buf_t;
 
__dpa_global__ typedef uint64_t doca_dpa_dev_buf_arr_t;
 
struct doca_dpa_dev_buf {
    uintptr_t addr;         
    uint64_t len;           
    doca_dpa_dev_mmap_t mmap;   
    unsigned char reserved[12]; 
} __attribute__((__packed__));      
struct doca_dpa_dev_buf_arr {
    struct doca_dpa_dev_buf *bufs;      
    unsigned char reserved[20];     
} __attribute__((__packed__, aligned(64))); 
DOCA_EXPERIMENTAL
__forceinline doca_dpa_dev_buf_t doca_dpa_dev_buf_array_get_buf(doca_dpa_dev_buf_arr_t buf_arr, const uint64_t buf_idx)
{
    struct doca_dpa_dev_buf_arr *dev_buf_arr = (struct doca_dpa_dev_buf_arr *)(buf_arr);
    doca_dpa_dev_buf_t dev_buf = (doca_dpa_dev_buf_t) & (dev_buf_arr->bufs[buf_idx]);
 
    return dev_buf;
}
 
DOCA_EXPERIMENTAL
__forceinline void doca_dpa_dev_buf_set_addr(doca_dpa_dev_buf_t buf, uintptr_t addr)
{
    ((struct doca_dpa_dev_buf *)buf)->addr = addr;
}
 
DOCA_EXPERIMENTAL
__forceinline void doca_dpa_dev_buf_set_len(doca_dpa_dev_buf_t buf, size_t len)
{
    ((struct doca_dpa_dev_buf *)buf)->len = len;
}
 
DOCA_EXPERIMENTAL
__forceinline void doca_dpa_dev_buf_set_mmap(doca_dpa_dev_buf_t buf, doca_dpa_dev_mmap_t mmap)
{
    ((struct doca_dpa_dev_buf *)buf)->mmap = mmap;
}
 
DOCA_EXPERIMENTAL
__forceinline uintptr_t doca_dpa_dev_buf_get_addr(doca_dpa_dev_buf_t buf)
{
    return ((struct doca_dpa_dev_buf *)buf)->addr;
}
 
DOCA_EXPERIMENTAL
__forceinline uint64_t doca_dpa_dev_buf_get_len(doca_dpa_dev_buf_t buf)
{
    return ((struct doca_dpa_dev_buf *)buf)->len;
}
 
DOCA_EXPERIMENTAL
__forceinline doca_dpa_dev_mmap_t doca_dpa_dev_buf_get_mmap(doca_dpa_dev_buf_t buf)
{
    return ((struct doca_dpa_dev_buf *)buf)->mmap;
}
 
DOCA_EXPERIMENTAL
doca_dpa_dev_uintptr_t doca_dpa_dev_buf_get_external_ptr(doca_dpa_dev_buf_t buf);
 
DOCA_EXPERIMENTAL
void doca_dpa_dev_post_buf_memcpy(doca_dpa_dev_async_ops_t async_ops_handle,
                  doca_dpa_dev_buf_t dst_buf_handle,
                  doca_dpa_dev_buf_t src_buf_handle,
                  uint32_t flags);
 
DOCA_EXPERIMENTAL
void doca_dpa_dev_post_memcpy(doca_dpa_dev_async_ops_t async_ops_handle,
                  doca_dpa_dev_mmap_t dst_mmap_handle,
                  uint64_t dst_addr,
                  doca_dpa_dev_mmap_t src_mmap_handle,
                  uint64_t src_addr,
                  size_t length,
                  uint32_t flags);
 
DOCA_EXPERIMENTAL
doca_dpa_dev_uintptr_t doca_dpa_dev_mmap_get_external_ptr(doca_dpa_dev_mmap_t mmap_handle, uint64_t addr);
 
#ifdef __cplusplus
}
#endif
 
#endif /* DOCA_DPA_DEV_BUF_H_ */