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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
, 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
);
32 #ifdef CONFIG_ACPI_IORT
33 void acpi_iort_init(void);
34 bool iort_node_match(u8 type
);
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_set_dma_mask(struct device
*dev
);
41 const struct iommu_ops
*iort_iommu_configure(struct device
*dev
);
43 static inline void acpi_iort_init(void) { }
44 static inline bool iort_node_match(u8 type
) { return false; }
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
,
51 static inline void acpi_configure_pmsi_domain(struct device
*dev
) { }
53 static inline int iort_pmsi_get_dev_id(struct device
*dev
, u32
*dev_id
)
57 static inline void iort_set_dma_mask(struct device
*dev
) { }
59 const struct iommu_ops
*iort_iommu_configure(struct device
*dev
)
63 #define IORT_ACPI_DECLARE(name, table_id, fn) \
64 ACPI_DECLARE_PROBE_ENTRY(iort, name, table_id, 0, NULL, 0, fn)
66 #endif /* __ACPI_IORT_H__ */