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Message-Id: <cover.1715072254.git.zong.li@sifive.com>
Date: Tue, 7 May 2024 22:07:31 +0800
From: Zong Li <zong.li@...ive.com>
To: joro@...tes.org,
will@...nel.org,
robin.murphy@....com,
tjeznach@...osinc.com,
paul.walmsley@...ive.com,
palmer@...belt.com,
aou@...s.berkeley.edu,
jgg@...pe.ca,
kevin.tian@...el.com,
linux-kernel@...r.kernel.org,
iommu@...ts.linux.dev,
linux-riscv@...ts.infradead.org
Cc: Zong Li <zong.li@...ive.com>
Subject: [RFC 0/6] RISC-V IOMMU HPM and nested IOMMU support
This series includes RISC-V IOMMU hardware performance monitor and
nested IOMMU support. It also introduces operations for the g-stage
table, which are required for nested IOMMU.
This patch set is implemented on top of the RISC-V IOMMU v4 series [1],
and it will be submitted as an RFC until the RISC-V IOMMU has been
merged. Additionally, it will be updated as needed when a new version
of the RISC-V IOMMU series is posted.
[1] link: https://lists.infradead.org/pipermail/linux-riscv/2024-May/053708.html
Zong Li (6):
iommu/riscv: Add RISC-V IOMMU PMU support
iommu/riscv: Support HPM and interrupt handling
iommu/riscv: support GSCID
iommu/riscv: support nested iommu for getting iommu hardware
information
iommu/riscv: support nested iommu for creating domains owned by
userspace
iommu/riscv: support nested iommu for flushing cache
drivers/iommu/riscv/Makefile | 4 +-
drivers/iommu/riscv/iommu-bits.h | 22 ++
drivers/iommu/riscv/iommu-pmu.c | 477 ++++++++++++++++++++++++++++++
drivers/iommu/riscv/iommu.c | 481 +++++++++++++++++++++++++++++--
drivers/iommu/riscv/iommu.h | 8 +
include/uapi/linux/iommufd.h | 39 +++
6 files changed, 1002 insertions(+), 29 deletions(-)
create mode 100644 drivers/iommu/riscv/iommu-pmu.c
--
2.17.1
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