2 * Copyright (C) 2016, Semihalf
3 * Author: Tomasz Nowicki <tn@semihalf.com>
5 * This program is free software; you can redistribute it and/or modify it
6 * under the terms and conditions of the GNU General Public License,
7 * version 2, as published by the Free Software Foundation.
9 * This program is distributed in the hope it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
14 * You should have received a copy of the GNU General Public License along with
15 * this program; if not, write to the Free Software Foundation, Inc., 59 Temple
16 * Place - Suite 330, Boston, MA 02111-1307 USA.
19 #ifndef __ACPI_IORT_H__
20 #define __ACPI_IORT_H__
22 #include <linux/acpi.h>
23 #include <linux/fwnode.h>
24 #include <linux/irqdomain.h>
26 #define IORT_IRQ_MASK(irq) (irq & 0xffffffffULL)
27 #define IORT_IRQ_TRIGGER_MASK(irq) ((irq >> 32) & 0xffffffffULL)
29 int iort_register_domain_token(int trans_id, phys_addr_t base,
30 struct fwnode_handle *fw_node);
31 void iort_deregister_domain_token(int trans_id);
32 struct fwnode_handle *iort_find_domain_token(int trans_id);
33 #ifdef CONFIG_ACPI_IORT
34 void acpi_iort_init(void);
35 u32 iort_msi_map_rid(struct device *dev, u32 req_id);
36 struct irq_domain *iort_get_device_domain(struct device *dev, u32 req_id);
37 void acpi_configure_pmsi_domain(struct device *dev);
38 int iort_pmsi_get_dev_id(struct device *dev, u32 *dev_id);
40 void iort_dma_setup(struct device *dev, u64 *dma_addr, u64 *size);
41 const struct iommu_ops *iort_iommu_configure(struct device *dev);
42 int iort_iommu_msi_get_resv_regions(struct device *dev, struct list_head *head);
44 static inline void acpi_iort_init(void) { }
45 static inline u32 iort_msi_map_rid(struct device *dev, u32 req_id)
47 static inline struct irq_domain *iort_get_device_domain(struct device *dev,
50 static inline void acpi_configure_pmsi_domain(struct device *dev) { }
52 static inline void iort_dma_setup(struct device *dev, u64 *dma_addr,
54 static inline const struct iommu_ops *iort_iommu_configure(
58 int iort_iommu_msi_get_resv_regions(struct device *dev, struct list_head *head)
62 #endif /* __ACPI_IORT_H__ */