diff options
Diffstat (limited to 'sys/dev/hwpmc/hwpmc_powerpc.h')
-rw-r--r-- | sys/dev/hwpmc/hwpmc_powerpc.h | 60 |
1 files changed, 55 insertions, 5 deletions
diff --git a/sys/dev/hwpmc/hwpmc_powerpc.h b/sys/dev/hwpmc/hwpmc_powerpc.h index b31e9f93294d..31c20592a21f 100644 --- a/sys/dev/hwpmc/hwpmc_powerpc.h +++ b/sys/dev/hwpmc/hwpmc_powerpc.h @@ -46,19 +46,69 @@ #define POWERPC_RELOAD_COUNT_TO_PERFCTR_VALUE(V) (0x80000000-(V)) #define POWERPC_PERFCTR_VALUE_TO_RELOAD_COUNT(P) (0x80000000-(P)) +#define POWERPC_MAX_PMC_VALUE 0x7fffffffUL + +#define POWERPC_PMC_HAS_OVERFLOWED(n) (powerpc_pmcn_read(n) & (0x1 << 31)) + +/* + * PMC value is used with OVERFLOWCNT to simulate a 64-bit counter to the + * machine independent part of hwpmc. + */ +#define PPC_OVERFLOWCNT(pm) (pm)->pm_md.pm_powerpc.pm_powerpc_overflowcnt +#define PPC_OVERFLOWCNT_MAX 0x200000000UL + struct powerpc_cpu { struct pmc_hw *pc_ppcpmcs; enum pmc_class pc_class; }; +struct pmc_ppc_event { + enum pmc_event pe_event; + uint32_t pe_flags; +#define PMC_FLAG_PMC1 0x01 +#define PMC_FLAG_PMC2 0x02 +#define PMC_FLAG_PMC3 0x04 +#define PMC_FLAG_PMC4 0x08 +#define PMC_FLAG_PMC5 0x10 +#define PMC_FLAG_PMC6 0x20 +#define PMC_FLAG_PMC7 0x40 +#define PMC_FLAG_PMC8 0x80 + uint32_t pe_code; +}; + extern struct powerpc_cpu **powerpc_pcpu; +extern struct pmc_ppc_event *ppc_event_codes; +extern size_t ppc_event_codes_size; +extern int ppc_event_first; +extern int ppc_event_last; +extern int ppc_max_pmcs; + +extern void (*powerpc_set_pmc)(int cpu, int ri, int config); +extern pmc_value_t (*powerpc_pmcn_read)(unsigned int pmc); +extern void (*powerpc_pmcn_write)(unsigned int pmc, uint32_t val); +extern void (*powerpc_resume_pmc)(bool ie); + +int pmc_e500_initialize(struct pmc_mdep *pmc_mdep); +int pmc_mpc7xxx_initialize(struct pmc_mdep *pmc_mdep); +int pmc_ppc970_initialize(struct pmc_mdep *pmc_mdep); +int pmc_power8_initialize(struct pmc_mdep *pmc_mdep); -extern int pmc_e500_initialize(struct pmc_mdep *pmc_mdep); -extern int pmc_mpc7xxx_initialize(struct pmc_mdep *pmc_mdep); -extern int pmc_ppc970_initialize(struct pmc_mdep *pmc_mdep); +int powerpc_describe(int cpu, int ri, struct pmc_info *pi, struct pmc **ppmc); +int powerpc_get_config(int cpu, int ri, struct pmc **ppm); +int powerpc_pcpu_init(struct pmc_mdep *md, int cpu); +int powerpc_pcpu_fini(struct pmc_mdep *md, int cpu); +int powerpc_allocate_pmc(int cpu, int ri, struct pmc *pm, + const struct pmc_op_pmcallocate *a); +int powerpc_release_pmc(int cpu, int ri, struct pmc *pmc); +int powerpc_start_pmc(int cpu, int ri); +int powerpc_stop_pmc(int cpu, int ri); +int powerpc_config_pmc(int cpu, int ri, struct pmc *pm); +pmc_value_t powerpc_pmcn_read_default(unsigned int pmc); +void powerpc_pmcn_write_default(unsigned int pmc, uint32_t val); +int powerpc_read_pmc(int cpu, int ri, pmc_value_t *v); +int powerpc_write_pmc(int cpu, int ri, pmc_value_t v); +int powerpc_pmc_intr(struct trapframe *tf); -extern int powerpc_describe(int cpu, int ri, struct pmc_info *pi, struct pmc **ppmc); -extern int powerpc_get_config(int cpu, int ri, struct pmc **ppm); #endif /* _KERNEL */ #endif /* _DEV_HWPMC_POWERPC_H_ */ |