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linux-headers-6.8.0-83
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arch
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powerpc
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cell-pmu.h
/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * Cell Broadband Engine Performance Monitor * * (C) Copyright IBM Corporation 2006 * * Author: * David Erb (djerb@us.ibm.com) * Kevin Corry (kevcorry@us.ibm.com) */ #ifndef __ASM_CELL_PMU_H__ #define __ASM_CELL_PMU_H__ /* The Cell PMU has four hardware performance counters, which can be * configured as four 32-bit counters or eight 16-bit counters. */ #define NR_PHYS_CTRS 4 #define NR_CTRS (NR_PHYS_CTRS * 2) /* Macros for the pm_control register. */ #define CBE_PM_16BIT_CTR(ctr) (1 << (24 - ((ctr) & (NR_PHYS_CTRS - 1)))) #define CBE_PM_ENABLE_PERF_MON 0x80000000 #define CBE_PM_STOP_AT_MAX 0x40000000 #define CBE_PM_TRACE_MODE_GET(pm_control) (((pm_control) >> 28) & 0x3) #define CBE_PM_TRACE_MODE_SET(mode) (((mode) & 0x3) << 28) #define CBE_PM_TRACE_BUF_OVFLW(bit) (((bit) & 0x1) << 17) #define CBE_PM_COUNT_MODE_SET(count) (((count) & 0x3) << 18) #define CBE_PM_FREEZE_ALL_CTRS 0x00100000 #define CBE_PM_ENABLE_EXT_TRACE 0x00008000 #define CBE_PM_SPU_ADDR_TRACE_SET(msk) (((msk) & 0x3) << 9) /* Macros for the trace_address register. */ #define CBE_PM_TRACE_BUF_FULL 0x00000800 #define CBE_PM_TRACE_BUF_EMPTY 0x00000400 #define CBE_PM_TRACE_BUF_DATA_COUNT(ta) ((ta) & 0x3ff) #define CBE_PM_TRACE_BUF_MAX_COUNT 0x400 /* Macros for the pm07_control registers. */ #define CBE_PM_CTR_INPUT_MUX(pm07_control) (((pm07_control) >> 26) & 0x3f) #define CBE_PM_CTR_INPUT_CONTROL 0x02000000 #define CBE_PM_CTR_POLARITY 0x01000000 #define CBE_PM_CTR_COUNT_CYCLES 0x00800000 #define CBE_PM_CTR_ENABLE 0x00400000 #define PM07_CTR_INPUT_MUX(x) (((x) & 0x3F) << 26) #define PM07_CTR_INPUT_CONTROL(x) (((x) & 1) << 25) #define PM07_CTR_POLARITY(x) (((x) & 1) << 24) #define PM07_CTR_COUNT_CYCLES(x) (((x) & 1) << 23) #define PM07_CTR_ENABLE(x) (((x) & 1) << 22) /* Macros for the pm_status register. */ #define CBE_PM_CTR_OVERFLOW_INTR(ctr) (1 << (31 - ((ctr) & 7))) enum pm_reg_name { group_control, debug_bus_control, trace_address, ext_tr_timer, pm_status, pm_control, pm_interval, pm_start_stop, }; /* Routines for reading/writing the PMU registers. */ extern u32 cbe_read_phys_ctr(u32 cpu, u32 phys_ctr); extern void cbe_write_phys_ctr(u32 cpu, u32 phys_ctr, u32 val); extern u32 cbe_read_ctr(u32 cpu, u32 ctr); extern void cbe_write_ctr(u32 cpu, u32 ctr, u32 val); extern u32 cbe_read_pm07_control(u32 cpu, u32 ctr); extern void cbe_write_pm07_control(u32 cpu, u32 ctr, u32 val); extern u32 cbe_read_pm(u32 cpu, enum pm_reg_name reg); extern void cbe_write_pm(u32 cpu, enum pm_reg_name reg, u32 val); extern u32 cbe_get_ctr_size(u32 cpu, u32 phys_ctr); extern void cbe_set_ctr_size(u32 cpu, u32 phys_ctr, u32 ctr_size); extern void cbe_enable_pm(u32 cpu); extern void cbe_disable_pm(u32 cpu); extern void cbe_read_trace_buffer(u32 cpu, u64 *buf); extern void cbe_enable_pm_interrupts(u32 cpu, u32 thread, u32 mask); extern void cbe_disable_pm_interrupts(u32 cpu); extern u32 cbe_get_and_clear_pm_interrupts(u32 cpu); extern void cbe_sync_irq(int node); #define CBE_COUNT_SUPERVISOR_MODE 0 #define CBE_COUNT_HYPERVISOR_MODE 1 #define CBE_COUNT_PROBLEM_MODE 2 #define CBE_COUNT_ALL_MODES 3 #endif /* __ASM_CELL_PMU_H__ */
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