/* * Copyright (C) 2016, Semihalf * Author: Tomasz Nowicki <tn@semihalf.com> * * This program is free software; you can redistribute it and/or modify it * under the terms and conditions of the GNU General Public License, * version 2, as published by the Free Software Foundation. * * This program is distributed in the hope it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for * more details. * * You should have received a copy of the GNU General Public License along with * this program; if not, write to the Free Software Foundation, Inc., 59 Temple * Place - Suite 330, Boston, MA 02111-1307 USA. */#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)int iort_register_domain_token(int trans_id, struct fwnode_handle *fw_node);void iort_deregister_domain_token(int trans_id);struct fwnode_handle *iort_find_domain_token(int trans_id);#ifdef CONFIG_ACPI_IORTvoid acpi_iort_init(void);u32 iort_msi_map_rid(struct device *dev, u32 req_id);struct irq_domain *iort_get_device_domain(struct device *dev, u32 req_id);void acpi_configure_pmsi_domain(struct device *dev);int iort_pmsi_get_dev_id(struct device *dev, u32 *dev_id);/* IOMMU interface */void iort_set_dma_mask(struct device *dev);const struct iommu_ops *iort_iommu_configure(struct device *dev);#elsestatic inline void acpi_iort_init(void) { }static inline u32 iort_msi_map_rid(struct device *dev, u32 req_id){ return req_id; }static inline struct irq_domain *iort_get_device_domain(struct device *dev, u32 req_id){ return NULL; }static inline void acpi_configure_pmsi_domain(struct device *dev) { }/* IOMMU interface */static inline void iort_set_dma_mask(struct device *dev) { }static inlineconst struct iommu_ops *iort_iommu_configure(struct device *dev){ return NULL; }#endif#endif /* __ACPI_IORT_H__ */
/*
* Copyright (C) 2016, Semihalf
* Author: Tomasz Nowicki <tn@semihalf.com>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along with
* this program; if not, write to the Free Software Foundation, Inc., 59 Temple
* Place - Suite 330, Boston, MA 02111-1307 USA.
*/
#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)
int iort_register_domain_token(int trans_id, struct fwnode_handle *fw_node);
void iort_deregister_domain_token(int trans_id);
struct fwnode_handle *iort_find_domain_token(int trans_id);
#ifdef CONFIG_ACPI_IORT
void acpi_iort_init(void);
u32 iort_msi_map_rid(struct device *dev, u32 req_id);
struct irq_domain *iort_get_device_domain(struct device *dev, u32 req_id);
void acpi_configure_pmsi_domain(struct device *dev);
int iort_pmsi_get_dev_id(struct device *dev, u32 *dev_id);
/* IOMMU interface */
void iort_set_dma_mask(struct device *dev);
const struct iommu_ops *iort_iommu_configure(struct device *dev);
#else
static inline void acpi_iort_init(void) { }
static inline u32 iort_msi_map_rid(struct device *dev, u32 req_id)
{ return req_id; }
static inline struct irq_domain *iort_get_device_domain(struct device *dev,
u32 req_id)
{ return NULL; }
static inline void acpi_configure_pmsi_domain(struct device *dev) { }
/* IOMMU interface */
static inline void iort_set_dma_mask(struct device *dev) { }
static inline
const struct iommu_ops *iort_iommu_configure(struct device *dev)
{ return NULL; }
#endif
#endif /* __ACPI_IORT_H__ */