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57 lines
2.1 KiB
57 lines
2.1 KiB
/* |
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* Copyright (C) 2016, Semihalf |
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* Author: Tomasz Nowicki <tn@semihalf.com> |
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* |
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* This program is free software; you can redistribute it and/or modify it |
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* under the terms and conditions of the GNU General Public License, |
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* version 2, as published by the Free Software Foundation. |
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* |
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* This program is distributed in the hope it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for |
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* more details. |
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* |
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* You should have received a copy of the GNU General Public License along with |
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* this program; if not, write to the Free Software Foundation, Inc., 59 Temple |
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* Place - Suite 330, Boston, MA 02111-1307 USA. |
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*/ |
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#ifndef __ACPI_IORT_H__ |
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#define __ACPI_IORT_H__ |
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#include <linux/acpi.h> |
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#include <linux/fwnode.h> |
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#include <linux/irqdomain.h> |
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#define IORT_IRQ_MASK(irq) (irq & 0xffffffffULL) |
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#define IORT_IRQ_TRIGGER_MASK(irq) ((irq >> 32) & 0xffffffffULL) |
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int iort_register_domain_token(int trans_id, struct fwnode_handle *fw_node); |
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void iort_deregister_domain_token(int trans_id); |
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struct fwnode_handle *iort_find_domain_token(int trans_id); |
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#ifdef CONFIG_ACPI_IORT |
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void acpi_iort_init(void); |
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u32 iort_msi_map_rid(struct device *dev, u32 req_id); |
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struct irq_domain *iort_get_device_domain(struct device *dev, u32 req_id); |
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void acpi_configure_pmsi_domain(struct device *dev); |
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int iort_pmsi_get_dev_id(struct device *dev, u32 *dev_id); |
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/* IOMMU interface */ |
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void iort_dma_setup(struct device *dev, u64 *dma_addr, u64 *size); |
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const struct iommu_ops *iort_iommu_configure(struct device *dev); |
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#else |
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static inline void acpi_iort_init(void) { } |
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static inline u32 iort_msi_map_rid(struct device *dev, u32 req_id) |
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{ return req_id; } |
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static inline struct irq_domain *iort_get_device_domain(struct device *dev, |
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u32 req_id) |
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{ return NULL; } |
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static inline void acpi_configure_pmsi_domain(struct device *dev) { } |
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/* IOMMU interface */ |
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static inline void iort_dma_setup(struct device *dev, u64 *dma_addr, |
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u64 *size) { } |
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static inline |
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const struct iommu_ops *iort_iommu_configure(struct device *dev) |
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{ return NULL; } |
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#endif |
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#endif /* __ACPI_IORT_H__ */
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