xref: /OK3568_Linux_fs/kernel/tools/perf/util/cacheline.h (revision 4882a59341e53eb6f0b4789bf948001014eff981) 
1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */
2*4882a593Smuzhiyun #ifndef PERF_CACHELINE_H
3*4882a593Smuzhiyun #define PERF_CACHELINE_H
4*4882a593Smuzhiyun 
5*4882a593Smuzhiyun #include <linux/compiler.h>
6*4882a593Smuzhiyun 
7*4882a593Smuzhiyun int __pure cacheline_size(void);
8*4882a593Smuzhiyun 
cl_address(u64 address)9*4882a593Smuzhiyun static inline u64 cl_address(u64 address)
10*4882a593Smuzhiyun {
11*4882a593Smuzhiyun 	/* return the cacheline of the address */
12*4882a593Smuzhiyun 	return (address & ~(cacheline_size() - 1));
13*4882a593Smuzhiyun }
14*4882a593Smuzhiyun 
cl_offset(u64 address)15*4882a593Smuzhiyun static inline u64 cl_offset(u64 address)
16*4882a593Smuzhiyun {
17*4882a593Smuzhiyun 	/* return the cacheline of the address */
18*4882a593Smuzhiyun 	return (address & (cacheline_size() - 1));
19*4882a593Smuzhiyun }
20*4882a593Smuzhiyun 
21*4882a593Smuzhiyun #endif // PERF_CACHELINE_H
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