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(I'm so sorry!) Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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C
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172/* SPDX-License-Identifier: GPL-2.0 *//* * Copyright (C) 2025 Arm Ltd. * Based on arch/x86/kernel/cpu/resctrl/internal.h */
#ifndef __LINUX_RESCTRL_TYPES_H#define __LINUX_RESCTRL_TYPES_H
#define MAX_MBA_BW 100u#define MBM_OVERFLOW_INTERVAL 1000
/* Reads to Local DRAM Memory */#define READS_TO_LOCAL_MEM BIT(0)
/* Reads to Remote DRAM Memory */#define READS_TO_REMOTE_MEM BIT(1)
/* Non-Temporal Writes to Local Memory */#define NON_TEMP_WRITE_TO_LOCAL_MEM BIT(2)
/* Non-Temporal Writes to Remote Memory */#define NON_TEMP_WRITE_TO_REMOTE_MEM BIT(3)
/* Reads to Local Memory the system identifies as "Slow Memory" */#define READS_TO_LOCAL_S_MEM BIT(4)
/* Reads to Remote Memory the system identifies as "Slow Memory" */#define READS_TO_REMOTE_S_MEM BIT(5)
/* Dirty Victims to All Types of Memory */#define DIRTY_VICTIMS_TO_ALL_MEM BIT(6)
/* Max event bits supported */#define MAX_EVT_CONFIG_BITS GENMASK(6, 0)
/* Number of memory transactions that an MBM event can be configured with */#define NUM_MBM_TRANSACTIONS 7
/* Event IDs */enum resctrl_event_id { /* Must match value of first event below */ QOS_FIRST_EVENT = 0x01,
/* * These values match those used to program IA32_QM_EVTSEL before * reading IA32_QM_CTR on RDT systems. */ QOS_L3_OCCUP_EVENT_ID = 0x01, QOS_L3_MBM_TOTAL_EVENT_ID = 0x02, QOS_L3_MBM_LOCAL_EVENT_ID = 0x03,
/* Intel Telemetry Events */ PMT_EVENT_ENERGY, PMT_EVENT_ACTIVITY, PMT_EVENT_STALLS_LLC_HIT, PMT_EVENT_C1_RES, PMT_EVENT_UNHALTED_CORE_CYCLES, PMT_EVENT_STALLS_LLC_MISS, PMT_EVENT_AUTO_C6_RES, PMT_EVENT_UNHALTED_REF_CYCLES, PMT_EVENT_UOPS_RETIRED,
/* Must be the last */ QOS_NUM_EVENTS,};
#define QOS_NUM_L3_MBM_EVENTS (QOS_L3_MBM_LOCAL_EVENT_ID - QOS_L3_MBM_TOTAL_EVENT_ID + 1)#define MBM_STATE_IDX(evt) ((evt) - QOS_L3_MBM_TOTAL_EVENT_ID)
#endif /* __LINUX_RESCTRL_TYPES_H */