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From: Zong Li <zong.li@sifive.com>
To: joro@8bytes.org,
	will@kernel.org,
	robin.murphy@arm.com,
	tjeznach@rivosinc.com,
	paul.walmsley@sifive.com,
	palmer@dabbelt.com,
	aou@eecs.berkeley.edu,
	jgg@ziepe.ca,
	kevin.tian@intel.com,
	linux-kernel@vger.kernel.org,
	iommu@lists.linux.dev,
	linux-riscv@lists.infradead.org
Cc: Zong Li <zong.li@sifive.com>
Subject: [PATCH RFC RESEND 0/6] RISC-V IOMMU HPM and nested IOMMU support
Date: Tue,  7 May 2024 22:25:54 +0800
Message-Id: <20240507142600.23844-1-zong.li@sifive.com>
Precedence: bulk

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