| /* |
| * 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_dma_setup(struct device *dev, u64 *dma_addr, u64 *size); |
| 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_dma_setup(struct device *dev, u64 *dma_addr, |
| u64 *size) { } |
| static inline |
| const struct iommu_ops *iort_iommu_configure(struct device *dev) |
| { return NULL; } |
| #endif |
| |
| #endif /* __ACPI_IORT_H__ */ |
