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/* 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
/* 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)
enum resctrl_res_level {
RDT_RESOURCE_L3,
RDT_RESOURCE_L2,
RDT_RESOURCE_MBA,
RDT_RESOURCE_SMBA,
/* Must be the last */
RDT_NUM_RESOURCES,
};
/*
* 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,
};
#endif /* __LINUX_RESCTRL_TYPES_H */
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