From beeb56a43e8b4568c4513371349487f349df8864 Mon Sep 17 00:00:00 2001 From: Daniel Henrique Barboza Date: Mon, 24 Feb 2025 16:08:26 -0300 Subject: [PATCH] docs/specs/riscv-iommu.rst: add HPM support info Signed-off-by: Daniel Henrique Barboza Reviewed-by: Alistair Francis Message-ID: <20250224190826.1858473-12-dbarboza@ventanamicro.com> Signed-off-by: Alistair Francis --- docs/specs/riscv-iommu.rst | 2 ++ 1 file changed, 2 insertions(+) diff --git a/docs/specs/riscv-iommu.rst b/docs/specs/riscv-iommu.rst index b1538c9ead..000c7e1f57 100644 --- a/docs/specs/riscv-iommu.rst +++ b/docs/specs/riscv-iommu.rst @@ -82,6 +82,8 @@ Several options are available to control the capabilities of the device, namely: - "off" (Out-of-reset translation mode: 'on' for DMA disabled, 'off' for 'BARE' (passthrough)) - "s-stage": enable s-stage support - "g-stage": enable g-stage support +- "hpm-counters": number of hardware performance counters available. Maximum value is 31. + Default value is 31. Use 0 (zero) to disable HPM support riscv-iommu-sys device ---------------------- -- 2.30.2