1 /* 2 * RISC-V IOMMU - Hardware Performance Monitor (HPM) helpers 3 * 4 * Copyright (C) 2022-2023 Rivos Inc. 5 * 6 * This program is free software; you can redistribute it and/or modify it 7 * under the terms and conditions of the GNU General Public License, 8 * version 2 or later, as published by the Free Software Foundation. 9 * 10 * This program is distributed in the hope that it will be useful, 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 * GNU General Public License for more details. 14 * 15 * You should have received a copy of the GNU General Public License along 16 * with this program; if not, see <http://www.gnu.org/licenses/>. 17 */ 18 19 #ifndef HW_RISCV_IOMMU_HPM_H 20 #define HW_RISCV_IOMMU_HPM_H 21 22 #include "qom/object.h" 23 #include "hw/riscv/riscv-iommu.h" 24 25 uint64_t riscv_iommu_hpmcycle_read(RISCVIOMMUState *s); 26 void riscv_iommu_hpm_incr_ctr(RISCVIOMMUState *s, RISCVIOMMUContext *ctx, 27 unsigned event_id); 28 void riscv_iommu_hpm_timer_cb(void *priv); 29 void riscv_iommu_process_iocntinh_cy(RISCVIOMMUState *s, bool prev_cy_inh); 30 void riscv_iommu_process_hpmcycle_write(RISCVIOMMUState *s); 31 void riscv_iommu_process_hpmevt_write(RISCVIOMMUState *s, uint32_t evt_reg); 32 33 #endif 34