/* * RISC-V IOMMU - Hardware Performance Monitor (HPM) helpers * * Copyright (C) 2022-2023 Rivos Inc. * * This program is free software; you can redistribute it and/or modify it * under the terms and conditions of the GNU General Public License, * version 2 or later, as published by the Free Software Foundation. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License along * with this program; if not, see . */ #ifndef HW_RISCV_IOMMU_HPM_H #define HW_RISCV_IOMMU_HPM_H #include "qom/object.h" #include "hw/riscv/riscv-iommu.h" uint64_t riscv_iommu_hpmcycle_read(RISCVIOMMUState *s); void riscv_iommu_hpm_incr_ctr(RISCVIOMMUState *s, RISCVIOMMUContext *ctx, unsigned event_id); void riscv_iommu_hpm_timer_cb(void *priv); void riscv_iommu_process_iocntinh_cy(RISCVIOMMUState *s, bool prev_cy_inh); void riscv_iommu_process_hpmcycle_write(RISCVIOMMUState *s); void riscv_iommu_process_hpmevt_write(RISCVIOMMUState *s, uint32_t evt_reg); #endif