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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 | ||
4bf2efd2 TN |
29 | int iort_register_domain_token(int trans_id, struct fwnode_handle *fw_node); |
30 | void iort_deregister_domain_token(int trans_id); | |
31 | struct fwnode_handle *iort_find_domain_token(int trans_id); | |
88ef16d8 TN |
32 | #ifdef CONFIG_ACPI_IORT |
33 | void acpi_iort_init(void); | |
bdca0c07 | 34 | bool iort_node_match(u8 type); |
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); | |
643b8e4d | 37 | /* IOMMU interface */ |
18b709be | 38 | void iort_set_dma_mask(struct device *dev); |
643b8e4d | 39 | const struct iommu_ops *iort_iommu_configure(struct device *dev); |
88ef16d8 TN |
40 | #else |
41 | static inline void acpi_iort_init(void) { } | |
bdca0c07 | 42 | static inline bool iort_node_match(u8 type) { return false; } |
4bf2efd2 TN |
43 | static inline u32 iort_msi_map_rid(struct device *dev, u32 req_id) |
44 | { return req_id; } | |
45 | static inline struct irq_domain *iort_get_device_domain(struct device *dev, | |
46 | u32 req_id) | |
47 | { return NULL; } | |
643b8e4d | 48 | /* IOMMU interface */ |
18b709be | 49 | static inline void iort_set_dma_mask(struct device *dev) { } |
643b8e4d LP |
50 | static inline |
51 | const struct iommu_ops *iort_iommu_configure(struct device *dev) | |
52 | { return NULL; } | |
88ef16d8 TN |
53 | #endif |
54 | ||
34ceea27 LP |
55 | #define IORT_ACPI_DECLARE(name, table_id, fn) \ |
56 | ACPI_DECLARE_PROBE_ENTRY(iort, name, table_id, 0, NULL, 0, fn) | |
57 | ||
88ef16d8 | 58 | #endif /* __ACPI_IORT_H__ */ |