xref: /freebsd/sys/arm64/include/pmc_mdep.h (revision 22cf89c938886d14f5796fc49f9f020c23ea8eaf)
1 /*-
2  * Copyright (c) 2009 Rui Paulo <rpaulo@FreeBSD.org>
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  *
14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
15  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
16  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
17  * DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
18  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
19  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
20  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
22  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
23  * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
24  * POSSIBILITY OF SUCH DAMAGE.
25  */
26 
27 #ifndef _MACHINE_PMC_MDEP_H_
28 #define	_MACHINE_PMC_MDEP_H_
29 
30 #define	PMC_MDEP_CLASS_INDEX_ARMV8	1
31 #define	PMC_MDEP_CLASS_INDEX_DMC620_CD2 2
32 #define	PMC_MDEP_CLASS_INDEX_DMC620_C	3
33 #define	PMC_MDEP_CLASS_INDEX_CMN600 	4
34 /*
35  * On the ARMv8 platform we support the following PMCs.
36  *
37  * ARMV8	ARM Cortex-A53/57/72 processors
38  */
39 #include <dev/hwpmc/hwpmc_arm64.h>
40 #include <dev/hwpmc/hwpmc_cmn600.h>
41 #include <dev/hwpmc/hwpmc_dmc620.h>
42 #include <dev/hwpmc/pmu_dmc620_reg.h>
43 #include <machine/cmn600_reg.h>
44 
45 union pmc_md_op_pmcallocate {
46 	struct {
47 		uint32_t	pm_md_config;
48 	};
49 	struct pmc_md_cmn600_pmu_op_pmcallocate	pm_cmn600;
50 	struct pmc_md_dmc620_pmu_op_pmcallocate	pm_dmc620;
51 	uint64_t		__pad[4];
52 };
53 
54 /* Logging */
55 #define	PMCLOG_READADDR		PMCLOG_READ64
56 #define	PMCLOG_EMITADDR		PMCLOG_EMIT64
57 
58 #ifdef	_KERNEL
59 union pmc_md_pmc {
60 	struct pmc_md_arm64_pmc		pm_arm64;
61 	struct pmc_md_cmn600_pmc	pm_cmn600;
62 	struct pmc_md_dmc620_pmc	pm_dmc620;
63 };
64 
65 #define	PMC_IN_KERNEL_STACK(va)	kstack_contains(curthread, (va), sizeof(va))
66 #define	PMC_IN_KERNEL(va)	INKERNEL((va))
67 #define	PMC_IN_USERSPACE(va)	((va) <= VM_MAXUSER_ADDRESS)
68 #define	PMC_TRAPFRAME_TO_PC(TF)	((TF)->tf_elr)
69 #define	PMC_TRAPFRAME_TO_FP(TF)	((TF)->tf_x[29])
70 
71 /*
72  * Prototypes
73  */
74 struct pmc_mdep *pmc_arm64_initialize(void);
75 void	pmc_arm64_finalize(struct pmc_mdep *_md);
76 
77 /* Optional class for CMN-600 controler's PMU. */
78 int pmc_cmn600_initialize(struct pmc_mdep *md);
79 void	pmc_cmn600_finalize(struct pmc_mdep *_md);
80 int pmc_cmn600_nclasses(void);
81 
82 /* Optional class for DMC-620 controler's PMU. */
83 int pmc_dmc620_initialize_cd2(struct pmc_mdep *md);
84 void	pmc_dmc620_finalize_cd2(struct pmc_mdep *_md);
85 int pmc_dmc620_initialize_c(struct pmc_mdep *md);
86 void	pmc_dmc620_finalize_c(struct pmc_mdep *_md);
87 int pmc_dmc620_nclasses(void);
88 
89 #endif /* _KERNEL */
90 
91 #endif /* !_MACHINE_PMC_MDEP_H_ */
92