| /* SPDX-License-Identifier: GPL-2.0-only */ |
| /* |
| * Copyright(c) 2023 Huawei |
| * CXL Specification rev 3.0 Setion 8.2.7 (CPMU Register Interface) |
| */ |
| #ifndef CXL_PMU_H |
| #define CXL_PMU_H |
| #include <linux/device.h> |
| |
| enum cxl_pmu_type { |
| CXL_PMU_MEMDEV, |
| }; |
| |
| #define CXL_PMU_REGMAP_SIZE 0xe00 /* Table 8-32 CXL 3.0 specification */ |
| struct cxl_pmu { |
| struct device dev; |
| void __iomem *base; |
| int assoc_id; |
| int index; |
| enum cxl_pmu_type type; |
| }; |
| |
| #define to_cxl_pmu(dev) container_of(dev, struct cxl_pmu, dev) |
| struct cxl_pmu_regs; |
| int devm_cxl_pmu_add(struct device *parent, struct cxl_pmu_regs *regs, |
| int assoc_id, int idx, enum cxl_pmu_type type); |
| |
| #endif |