1 files changed, 33 insertions, 0 deletions
diff --git a/hw/riscv/riscv-iommu-hpm.h b/hw/riscv/riscv-iommu-hpm.h
new file mode 100644
index 0000000..5fc4ef2
--- /dev/null
+++ b/hw/riscv/riscv-iommu-hpm.h
@@ -0,0 +1,33 @@
+/*
+ * 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 <http://www.gnu.org/licenses/>.
+ */
+
+#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