xref: /dpdk/drivers/gpu/cuda/common.h (revision 2b843cac232eb3f2fa79e4254e21766817e2019f)
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 #include <errno.h>
10 
11 #include <rte_common.h>
12 #include <rte_log.h>
13 #include <rte_errno.h>
14 
15 extern int cuda_logtype;
16 #define RTE_LOGTYPE_CUDA cuda_logtype
17 
18 /* Helper macro for logging */
19 #define rte_cuda_log(level, fmt, ...) \
20 	RTE_LOG_LINE(level, CUDA, fmt, ##__VA_ARGS__)
21 
22 #define rte_cuda_debug(fmt, ...) \
23 	rte_cuda_log(DEBUG, RTE_STR(__LINE__) ":%s() " fmt, __func__, \
24 		##__VA_ARGS__)
25 
26 #ifdef DRIVERS_GPU_CUDA_GDRCOPY_H
27 	#include <gdrapi.h>
28 #else
29 	struct gdr;
30 	typedef struct gdr *gdr_t;
31 	struct gdr_mh_s { unsigned long h; };
32 	typedef struct gdr_mh_s gdr_mh_t;
33 #endif
34 
35 int gdrcopy_pin(gdr_t *gdrc_h, __rte_unused gdr_mh_t *mh,
36 		uint64_t d_addr, size_t size, void **h_addr);
37 int gdrcopy_unpin(gdr_t gdrc_h, __rte_unused gdr_mh_t mh,
38 		void *d_addr, size_t size);
39 
40 #endif /* CUDA_COMMON_H */
41