[Xen-devel] [PATCH resend 05/13] acpi: arm: Import acpi_iort.h verbatim from linux 4.14

[mjaggi@xxxxxxxxxxxxxxxxxx]

From: Manish Jaggi <mjaggi@xxxxxxxxxxxxxxxxxx>

Import acpi_iort.h verbatim from linux 4.14

Signed-off-by: Manish Jaggi <manish.jaggi@xxxxxxxxxx>
---
 xen/include/asm-arm/acpi/acpi_iort.h | 57 ++++++++++++++++++++++++++++++++++++
 1 file changed, 57 insertions(+)

diff --git a/xen/include/asm-arm/acpi/acpi_iort.h 
b/xen/include/asm-arm/acpi/acpi_iort.h
new file mode 100644
index 0000000000..8d3f0bf803
--- /dev/null
+++ b/xen/include/asm-arm/acpi/acpi_iort.h
@@ -0,0 +1,57 @@
+/*
+ * Copyright (C) 2016, Semihalf
+ *     Author: Tomasz Nowicki <tn@xxxxxxxxxxxx>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program; if not, write to the Free Software Foundation, Inc., 59 Temple
+ * Place - Suite 330, Boston, MA 02111-1307 USA.
+ */
+
+#ifndef __ACPI_IORT_H__
+#define __ACPI_IORT_H__
+
+#include <linux/acpi.h>
+#include <linux/fwnode.h>
+#include <linux/irqdomain.h>
+
+#define IORT_IRQ_MASK(irq)             (irq & 0xffffffffULL)
+#define IORT_IRQ_TRIGGER_MASK(irq)     ((irq >> 32) & 0xffffffffULL)
+
+int iort_register_domain_token(int trans_id, struct fwnode_handle *fw_node);
+void iort_deregister_domain_token(int trans_id);
+struct fwnode_handle *iort_find_domain_token(int trans_id);
+#ifdef CONFIG_ACPI_IORT
+void acpi_iort_init(void);
+u32 iort_msi_map_rid(struct device *dev, u32 req_id);
+struct irq_domain *iort_get_device_domain(struct device *dev, u32 req_id);
+void acpi_configure_pmsi_domain(struct device *dev);
+int iort_pmsi_get_dev_id(struct device *dev, u32 *dev_id);
+/* IOMMU interface */
+void iort_dma_setup(struct device *dev, u64 *dma_addr, u64 *size);
+const struct iommu_ops *iort_iommu_configure(struct device *dev);
+#else
+static inline void acpi_iort_init(void) { }
+static inline u32 iort_msi_map_rid(struct device *dev, u32 req_id)
+{ return req_id; }
+static inline struct irq_domain *iort_get_device_domain(struct device *dev,
+                                                       u32 req_id)
+{ return NULL; }
+static inline void acpi_configure_pmsi_domain(struct device *dev) { }
+/* IOMMU interface */
+static inline void iort_dma_setup(struct device *dev, u64 *dma_addr,
+                                 u64 *size) { }
+static inline
+const struct iommu_ops *iort_iommu_configure(struct device *dev)
+{ return NULL; }
+#endif
+
+#endif /* __ACPI_IORT_H__ */
-- 
2.14.1


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