From: Sunil V L <sunilvl@ventanamicro.com>
To: linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org,
linux-acpi@vger.kernel.org, iommu@lists.linux.dev
Cc: Paul Walmsley <paul.walmsley@sifive.com>,
Palmer Dabbelt <palmer@dabbelt.com>,
Albert Ou <aou@eecs.berkeley.edu>,
Alexandre Ghiti <alex@ghiti.fr>,
"Rafael J . Wysocki" <rafael@kernel.org>,
Len Brown <lenb@kernel.org>,
Tomasz Jeznach <tjeznach@rivosinc.com>,
Joerg Roedel <joro@8bytes.org>, Will Deacon <will@kernel.org>,
Robin Murphy <robin.murphy@arm.com>,
Sunil V L <sunilvl@ventanamicro.com>
Subject: [PATCH v6 0/3] RISC-V: Add ACPI support for IOMMU
Date: Mon, 18 Aug 2025 10:28:04 +0530 [thread overview]
Message-ID: <20250818045807.763922-1-sunilvl@ventanamicro.com> (raw)
This series adds support for RISC-V IOMMU on ACPI based platforms.
RISC-V IO Mapping Table (RIMT) is a new static ACPI table [1] introduced
to communicate IOMMU information to the OS.
[1] - https://github.com/riscv-non-isa/riscv-acpi-rimt/releases/download/v1.0/rimt-spec.pdf
Changes since v5:
1) Rebased to 6.17-rc2
2) Fixed incorrect id_out assignment (Reported by Xianliang)
Changes since v4:
1) Rebased to 6.16-rc6
2) Addressed Anup's feedback on formatting.
3) Added RB tag from Will and Anup.
Changes since v3:
1) Rebased to 6.16-rc5
2) Addressed Drew's feedback on v3.
a) Reordered calling rimt_iommu_configure_id().
b) Removed unnecessary inline.
c) Added pr_fmt.
d) Removed redundant rimt_iommu_configure_id() stub.
3) Added Drew's RB tag in PATCH 3.
Changes since v2:
1) Rebased to 6.16-rc4
2) Removed Anup's SOB and link tags added by mistake in v2.
Changes since v1:
1) Rebased to v6.16-rc1.
2) Dropped ACPICA patch since it is already available in 6.16-rc1.
3) Added Rafael's ACK.
4) Fixed few issues found by bots.
Sunil V L (3):
ACPI: RISC-V: Add support for RIMT
ACPI: scan: Add support for RISC-V in acpi_iommu_configure_id()
iommu/riscv: Add ACPI support
MAINTAINERS | 1 +
arch/riscv/Kconfig | 1 +
drivers/acpi/Kconfig | 4 +
drivers/acpi/riscv/Kconfig | 7 +
drivers/acpi/riscv/Makefile | 1 +
drivers/acpi/riscv/init.c | 2 +
drivers/acpi/riscv/init.h | 1 +
drivers/acpi/riscv/rimt.c | 520 +++++++++++++++++++++++++++
drivers/acpi/scan.c | 4 +
drivers/iommu/riscv/iommu-platform.c | 17 +-
drivers/iommu/riscv/iommu.c | 10 +
include/linux/acpi_rimt.h | 28 ++
12 files changed, 595 insertions(+), 1 deletion(-)
create mode 100644 drivers/acpi/riscv/Kconfig
create mode 100644 drivers/acpi/riscv/rimt.c
create mode 100644 include/linux/acpi_rimt.h
--
2.43.0
WARNING: multiple messages have this Message-ID (diff)
From: Sunil V L <sunilvl@ventanamicro.com>
To: linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org,
linux-acpi@vger.kernel.org, iommu@lists.linux.dev
Cc: Albert Ou <aou@eecs.berkeley.edu>,
Tomasz Jeznach <tjeznach@rivosinc.com>,
Alexandre Ghiti <alex@ghiti.fr>,
"Rafael J . Wysocki" <rafael@kernel.org>,
Robin Murphy <robin.murphy@arm.com>,
Joerg Roedel <joro@8bytes.org>,
Palmer Dabbelt <palmer@dabbelt.com>,
Paul Walmsley <paul.walmsley@sifive.com>,
Will Deacon <will@kernel.org>, Len Brown <lenb@kernel.org>
Subject: [PATCH v6 0/3] RISC-V: Add ACPI support for IOMMU
Date: Mon, 18 Aug 2025 10:28:04 +0530 [thread overview]
Message-ID: <20250818045807.763922-1-sunilvl@ventanamicro.com> (raw)
This series adds support for RISC-V IOMMU on ACPI based platforms.
RISC-V IO Mapping Table (RIMT) is a new static ACPI table [1] introduced
to communicate IOMMU information to the OS.
[1] - https://github.com/riscv-non-isa/riscv-acpi-rimt/releases/download/v1.0/rimt-spec.pdf
Changes since v5:
1) Rebased to 6.17-rc2
2) Fixed incorrect id_out assignment (Reported by Xianliang)
Changes since v4:
1) Rebased to 6.16-rc6
2) Addressed Anup's feedback on formatting.
3) Added RB tag from Will and Anup.
Changes since v3:
1) Rebased to 6.16-rc5
2) Addressed Drew's feedback on v3.
a) Reordered calling rimt_iommu_configure_id().
b) Removed unnecessary inline.
c) Added pr_fmt.
d) Removed redundant rimt_iommu_configure_id() stub.
3) Added Drew's RB tag in PATCH 3.
Changes since v2:
1) Rebased to 6.16-rc4
2) Removed Anup's SOB and link tags added by mistake in v2.
Changes since v1:
1) Rebased to v6.16-rc1.
2) Dropped ACPICA patch since it is already available in 6.16-rc1.
3) Added Rafael's ACK.
4) Fixed few issues found by bots.
Sunil V L (3):
ACPI: RISC-V: Add support for RIMT
ACPI: scan: Add support for RISC-V in acpi_iommu_configure_id()
iommu/riscv: Add ACPI support
MAINTAINERS | 1 +
arch/riscv/Kconfig | 1 +
drivers/acpi/Kconfig | 4 +
drivers/acpi/riscv/Kconfig | 7 +
drivers/acpi/riscv/Makefile | 1 +
drivers/acpi/riscv/init.c | 2 +
drivers/acpi/riscv/init.h | 1 +
drivers/acpi/riscv/rimt.c | 520 +++++++++++++++++++++++++++
drivers/acpi/scan.c | 4 +
drivers/iommu/riscv/iommu-platform.c | 17 +-
drivers/iommu/riscv/iommu.c | 10 +
include/linux/acpi_rimt.h | 28 ++
12 files changed, 595 insertions(+), 1 deletion(-)
create mode 100644 drivers/acpi/riscv/Kconfig
create mode 100644 drivers/acpi/riscv/rimt.c
create mode 100644 include/linux/acpi_rimt.h
--
2.43.0
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next reply other threads:[~2025-08-18 4:58 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-08-18 4:58 Sunil V L [this message]
2025-08-18 4:58 ` [PATCH v6 0/3] RISC-V: Add ACPI support for IOMMU Sunil V L
2025-08-18 4:58 ` [PATCH v6 1/3] ACPI: RISC-V: Add support for RIMT Sunil V L
2025-08-18 4:58 ` Sunil V L
2025-08-18 4:58 ` [PATCH v6 2/3] ACPI: scan: Add support for RISC-V in acpi_iommu_configure_id() Sunil V L
2025-08-18 4:58 ` Sunil V L
2025-08-18 4:58 ` [PATCH v6 3/3] iommu/riscv: Add ACPI support Sunil V L
2025-08-18 4:58 ` Sunil V L
2025-09-05 13:07 ` [PATCH v6 0/3] RISC-V: Add ACPI support for IOMMU Joerg Roedel
2025-09-05 13:07 ` Joerg Roedel
2025-10-09 1:06 ` patchwork-bot+linux-riscv
2025-10-09 1:06 ` patchwork-bot+linux-riscv
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