pmu.h

 1/* SPDX-License-Identifier: GPL-2.0-only */
 2/*
 3 * Copyright(c) 2023 Huawei
 4 * CXL Specification rev 3.0 Setion 8.2.7 (CPMU Register Interface)
 5 */
 6#ifndef CXL_PMU_H
 7#define CXL_PMU_H
 8#include <linux/device.h>
 9
10enum cxl_pmu_type {
11	CXL_PMU_MEMDEV,
12};
13
14#define CXL_PMU_REGMAP_SIZE 0xe00 /* Table 8-32 CXL 3.0 specification */
15struct cxl_pmu {
16	struct device dev;
17	void __iomem *base;
18	int assoc_id;
19	int index;
20	enum cxl_pmu_type type;
21};
22
23#define to_cxl_pmu(dev) container_of(dev, struct cxl_pmu, dev)
24struct cxl_pmu_regs;
25int devm_cxl_pmu_add(struct device *parent, struct cxl_pmu_regs *regs,
26		     int assoc_id, int idx, enum cxl_pmu_type type);
27
28#endif