xref: /dpdk/drivers/gpu/cuda/common.h (revision 24c77594e08fb73dfeee852ce228bae61d6da2ea)
1 /* SPDX-License-Identifier: BSD-3-Clause
2  * Copyright (c) 2022 NVIDIA Corporation & Affiliates
3  */
4 
5 #ifndef CUDA_COMMON_H
6 #define CUDA_COMMON_H
7 
8 #include <dlfcn.h>
9 
10 #include <rte_common.h>
11 #include <rte_log.h>
12 #include <rte_errno.h>
13 
14 extern int cuda_logtype;
15 
16 /* Helper macro for logging */
17 #define rte_cuda_log(level, fmt, ...) \
18 	rte_log(RTE_LOG_ ## level, cuda_logtype, fmt "\n", ##__VA_ARGS__)
19 
20 #define rte_cuda_debug(fmt, ...) \
21 	rte_cuda_log(DEBUG, RTE_STR(__LINE__) ":%s() " fmt, __func__, \
22 		##__VA_ARGS__)
23 
24 #ifdef DRIVERS_GPU_CUDA_GDRCOPY_H
25 	#include <gdrapi.h>
26 #else
27 	struct gdr;
28 	typedef struct gdr *gdr_t;
29 	struct gdr_mh_s { unsigned long h; };
30 	typedef struct gdr_mh_s gdr_mh_t;
31 #endif
32 
33 int gdrcopy_pin(gdr_t *gdrc_h, __rte_unused gdr_mh_t *mh,
34 		uint64_t d_addr, size_t size, void **h_addr);
35 int gdrcopy_unpin(gdr_t gdrc_h, __rte_unused gdr_mh_t mh,
36 		void *d_addr, size_t size);
37 
38 #endif /* CUDA_COMMON_H */
39