projects / mirror_ubuntu-zesty-kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| 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); | |
| 6b81bed4 | 37 | void acpi_configure_pmsi_domain(struct device *dev); |
| f658ef27 | 38 | int iort_pmsi_get_dev_id(struct device *dev, u32 *dev_id); |
| 643b8e4d | 39 | /* IOMMU interface */ |
| 18b709be | 40 | void iort_set_dma_mask(struct device *dev); |
| 643b8e4d | 41 | const struct iommu_ops *iort_iommu_configure(struct device *dev); |
| 88ef16d8 TN |
42 | #else |
| 43 | static inline void acpi_iort_init(void) { } | |
| bdca0c07 | 44 | static inline bool iort_node_match(u8 type) { return false; } |
| 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; } | |
| f658ef27 | 50 | |
| 6b81bed4 HG |
51 | static inline void acpi_configure_pmsi_domain(struct device *dev) { } |
| 52 | ||
| f658ef27 HG |
53 | static inline int iort_pmsi_get_dev_id(struct device *dev, u32 *dev_id) |
| 54 | { return -ENODEV; } | |
| 55 | ||
| 643b8e4d | 56 | /* IOMMU interface */ |
| 18b709be | 57 | static inline void iort_set_dma_mask(struct device *dev) { } |
| 643b8e4d LP |
58 | static inline |
| 59 | const struct iommu_ops *iort_iommu_configure(struct device *dev) | |
| 60 | { return NULL; } | |
| 88ef16d8 TN |
61 | #endif |
| 62 | ||
| 34ceea27 LP |
63 | #define IORT_ACPI_DECLARE(name, table_id, fn) \ |
| 64 | ACPI_DECLARE_PROBE_ENTRY(iort, name, table_id, 0, NULL, 0, fn) | |
| 65 | ||
| 88ef16d8 | 66 | #endif /* __ACPI_IORT_H__ */ |