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RISC-V IO Mapping Table (RIMT) is a static ACPI table to communicate IOMMU information to the OS. The spec is available at [1]. The changes at high level are, a) Initialize data structures required for IOMMU/device configuration using the data from RIMT. Provide APIs required for device configuration. b) Provide an API for IOMMU drivers to register the fwnode with RIMT data structures. This API will create a fwnode for PCIe IOMMU. [1] - https://github.com/riscv-non-isa/riscv-acpi-rimt Signed-off-by: Sunil V L <sunilvl@ventanamicro.com> Reviewed-by: Anup Patel <anup@brainfault.org> Link: https://lore.kernel.org/r/20250818045807.763922-2-sunilvl@ventanamicro.com Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
6 lines
156 B
C
6 lines
156 B
C
/* SPDX-License-Identifier: GPL-2.0-only */
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#include <linux/init.h>
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void __init riscv_acpi_init_gsi_mapping(void);
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void __init riscv_acpi_rimt_init(void);
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