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Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162636465666768697071727374757677787980/* SPDX-License-Identifier: GPL-2.0-only *//* * Copyright (C) 2016, Semihalf * Author: Tomasz Nowicki <tn@semihalf.com> */
#ifndef __ACPI_IORT_H__#define __ACPI_IORT_H__
#include <linux/acpi.h>#include <linux/fwnode.h>#include <linux/irqdomain.h>
#define IORT_IRQ_MASK(irq) (irq & 0xffffffffULL)#define IORT_IRQ_TRIGGER_MASK(irq) ((irq >> 32) & 0xffffffffULL)
/* * PMCG model identifiers for use in smmu pmu driver. Please note * that this is purely for the use of software and has nothing to * do with hardware or with IORT specification. */#define IORT_SMMU_V3_PMCG_GENERIC 0x00000000 /* Generic SMMUv3 PMCG */#define IORT_SMMU_V3_PMCG_HISI_HIP08 0x00000001 /* HiSilicon HIP08 PMCG */#define IORT_SMMU_V3_PMCG_HISI_HIP09 0x00000002 /* HiSilicon HIP09 PMCG */
int iort_register_domain_token(int trans_id, phys_addr_t base, struct fwnode_handle *fw_node);void iort_deregister_domain_token(int trans_id);struct fwnode_handle *iort_find_domain_token(int trans_id);struct fwnode_handle *iort_iwb_handle(u32 iwb_id);
#ifdef CONFIG_ACPI_IORTu32 iort_msi_map_id(struct device *dev, u32 id);u32 iort_msi_xlate(struct device *dev, u32 id, struct fwnode_handle **node);int iort_its_translate_pa(struct fwnode_handle *node, phys_addr_t *base);struct irq_domain *iort_get_device_domain(struct device *dev, u32 id, enum irq_domain_bus_token bus_token);int iort_pmsi_get_msi_info(struct device *dev, u32 *dev_id, phys_addr_t *pa);void acpi_configure_pmsi_domain(struct device *dev);void iort_get_rmr_sids(struct fwnode_handle *iommu_fwnode, struct list_head *head);void iort_put_rmr_sids(struct fwnode_handle *iommu_fwnode, struct list_head *head);/* IOMMU interface */int iort_dma_get_ranges(struct device *dev, u64 *limit);int iort_iommu_configure_id(struct device *dev, const u32 *id_in);void iort_iommu_get_resv_regions(struct device *dev, struct list_head *head);phys_addr_t acpi_iort_dma_get_max_cpu_address(void);#elsestatic inline u32 iort_msi_map_id(struct device *dev, u32 id){ return id; }static inline u32 iort_msi_xlate(struct device *dev, u32 id, struct fwnode_handle **node){ return id; }static inline int iort_its_translate_pa(struct fwnode_handle *node, phys_addr_t *base){ return -ENODEV; }static inline struct irq_domain *iort_get_device_domain( struct device *dev, u32 id, enum irq_domain_bus_token bus_token){ return NULL; }static inline int iort_pmsi_get_msi_info(struct device *dev, u32 *dev_id, phys_addr_t *pa){ return -ENODEV; }static inline void acpi_configure_pmsi_domain(struct device *dev) { }static inlinevoid iort_get_rmr_sids(struct fwnode_handle *iommu_fwnode, struct list_head *head) { }static inlinevoid iort_put_rmr_sids(struct fwnode_handle *iommu_fwnode, struct list_head *head) { }/* IOMMU interface */static inline int iort_dma_get_ranges(struct device *dev, u64 *limit){ return -ENODEV; }static inline int iort_iommu_configure_id(struct device *dev, const u32 *id_in){ return -ENODEV; }static inlinevoid iort_iommu_get_resv_regions(struct device *dev, struct list_head *head){ }
static inline phys_addr_t acpi_iort_dma_get_max_cpu_address(void){ return PHYS_ADDR_MAX; }#endif
#endif /* __ACPI_IORT_H__ */