71 lines
2.6 KiB
C
71 lines
2.6 KiB
C
/* 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);
|
|
int iort_pmsi_get_dev_id(struct device *dev, u32 *dev_id);
|
|
|
|
#ifdef CONFIG_ACPI_IORT
|
|
u32 iort_msi_map_id(struct device *dev, u32 id);
|
|
struct irq_domain *iort_get_device_domain(struct device *dev, u32 id,
|
|
enum irq_domain_bus_token bus_token);
|
|
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);
|
|
#else
|
|
static inline u32 iort_msi_map_id(struct device *dev, u32 id)
|
|
{ return id; }
|
|
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 void acpi_configure_pmsi_domain(struct device *dev) { }
|
|
static inline
|
|
void iort_get_rmr_sids(struct fwnode_handle *iommu_fwnode, struct list_head *head) { }
|
|
static inline
|
|
void 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 inline
|
|
void 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__ */
|