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88ef16d8 TN |
1 | /* |
2 | * Copyright (C) 2016, Semihalf | |
3 | * Author: Tomasz Nowicki <tn@semihalf.com> | |
4 | * | |
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. | |
8 | * | |
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 | |
12 | * more details. | |
13 | * | |
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. | |
17 | */ | |
18 | ||
19 | #ifndef __ACPI_IORT_H__ | |
20 | #define __ACPI_IORT_H__ | |
21 | ||
22 | #include <linux/acpi.h> | |
4bf2efd2 TN |
23 | #include <linux/fwnode.h> |
24 | #include <linux/irqdomain.h> | |
88ef16d8 | 25 | |
d6fcd3b1 LP |
26 | #define IORT_IRQ_MASK(irq) (irq & 0xffffffffULL) |
27 | #define IORT_IRQ_TRIGGER_MASK(irq) ((irq >> 32) & 0xffffffffULL) | |
28 | ||
8b4282e6 SK |
29 | int iort_register_domain_token(int trans_id, phys_addr_t base, |
30 | struct fwnode_handle *fw_node); | |
4bf2efd2 TN |
31 | void iort_deregister_domain_token(int trans_id); |
32 | struct fwnode_handle *iort_find_domain_token(int trans_id); | |
88ef16d8 TN |
33 | #ifdef CONFIG_ACPI_IORT |
34 | void acpi_iort_init(void); | |
4bf2efd2 TN |
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); | |
d4f54a18 | 37 | void acpi_configure_pmsi_domain(struct device *dev); |
ae7c1838 | 38 | int iort_pmsi_get_dev_id(struct device *dev, u32 *dev_id); |
643b8e4d | 39 | /* IOMMU interface */ |
7ad42639 | 40 | void iort_dma_setup(struct device *dev, u64 *dma_addr, u64 *size); |
643b8e4d | 41 | const struct iommu_ops *iort_iommu_configure(struct device *dev); |
8b4282e6 | 42 | int iort_iommu_msi_get_resv_regions(struct device *dev, struct list_head *head); |
88ef16d8 TN |
43 | #else |
44 | static inline void acpi_iort_init(void) { } | |
4bf2efd2 TN |
45 | static inline u32 iort_msi_map_rid(struct device *dev, u32 req_id) |
46 | { return req_id; } | |
47 | static inline struct irq_domain *iort_get_device_domain(struct device *dev, | |
48 | u32 req_id) | |
49 | { return NULL; } | |
d4f54a18 | 50 | static inline void acpi_configure_pmsi_domain(struct device *dev) { } |
643b8e4d | 51 | /* IOMMU interface */ |
7ad42639 LP |
52 | static inline void iort_dma_setup(struct device *dev, u64 *dma_addr, |
53 | u64 *size) { } | |
e3d49392 LP |
54 | static inline const struct iommu_ops *iort_iommu_configure( |
55 | struct device *dev) | |
643b8e4d | 56 | { return NULL; } |
8b4282e6 SK |
57 | static inline |
58 | int iort_iommu_msi_get_resv_regions(struct device *dev, struct list_head *head) | |
59 | { return 0; } | |
88ef16d8 TN |
60 | #endif |
61 | ||
62 | #endif /* __ACPI_IORT_H__ */ |