/* 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) /* * Event IDs, the values match those used to program IA32_QM_EVTSEL before * reading IA32_QM_CTR on RDT systems. */ enum resctrl_event_id { QOS_L3_OCCUP_EVENT_ID = 0x01, QOS_L3_MBM_TOTAL_EVENT_ID = 0x02, QOS_L3_MBM_LOCAL_EVENT_ID = 0x03, /* Must be the last */ QOS_NUM_EVENTS, }; #endif /* __LINUX_RESCTRL_TYPES_H */