Merge branch 'master'

1 files changed, 106 insertions, 0 deletions

diff --git a/include/asm-powerpc/vio.h b/include/asm-powerpc/vio.h
new file mode 100644
index 000000000000..e0ccf108277c
--- /dev/null
+++ b/include/asm-powerpc/vio.h
@@ -0,0 +1,106 @@
+/*
+ * IBM PowerPC Virtual I/O Infrastructure Support.
+ *
+ * Copyright (c) 2003 IBM Corp.
+ *  Dave Engebretsen engebret@us.ibm.com
+ *  Santiago Leon santil@us.ibm.com
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ */
+
+#ifndef _ASM_POWERPC_VIO_H
+#define _ASM_POWERPC_VIO_H
+
+#include <linux/config.h>
+#include <linux/init.h>
+#include <linux/errno.h>
+#include <linux/device.h>
+#include <linux/dma-mapping.h>
+#include <linux/mod_devicetable.h>
+
+#include <asm/hvcall.h>
+#include <asm/scatterlist.h>
+
+/*
+ * Architecture-specific constants for drivers to
+ * extract attributes of the device using vio_get_attribute()
+ */
+#define VETH_MAC_ADDR "local-mac-address"
+#define VETH_MCAST_FILTER_SIZE "ibm,mac-address-filters"
+
+/* End architecture-specific constants */
+
+#define h_vio_signal(ua, mode) \
+  plpar_hcall_norets(H_VIO_SIGNAL, ua, mode)
+
+#define VIO_IRQ_DISABLE		0UL
+#define VIO_IRQ_ENABLE		1UL
+
+struct iommu_table;
+
+/*
+ * The vio_dev structure is used to describe virtual I/O devices.
+ */
+struct vio_dev {
+	struct iommu_table *iommu_table;     /* vio_map_* uses this */
+	char *name;
+	char *type;
+	uint32_t unit_address;
+	unsigned int irq;
+	struct device dev;
+};
+
+struct vio_driver {
+	struct list_head node;
+	const struct vio_device_id *id_table;
+	int (*probe)(struct vio_dev *dev, const struct vio_device_id *id);
+	int (*remove)(struct vio_dev *dev);
+	void (*shutdown)(struct vio_dev *dev);
+	unsigned long driver_data;
+	struct device_driver driver;
+};
+
+struct vio_bus_ops {
+	int (*match)(const struct vio_device_id *id, const struct vio_dev *dev);
+	void (*unregister_device)(struct vio_dev *);
+	void (*release_device)(struct device *);
+};
+
+extern struct dma_mapping_ops vio_dma_ops;
+extern struct bus_type vio_bus_type;
+extern struct vio_dev vio_bus_device;
+
+extern int vio_register_driver(struct vio_driver *drv);
+extern void vio_unregister_driver(struct vio_driver *drv);
+
+extern struct vio_dev * __devinit vio_register_device(struct vio_dev *viodev);
+extern void __devinit vio_unregister_device(struct vio_dev *dev);
+
+extern int vio_bus_init(struct vio_bus_ops *);
+
+#ifdef CONFIG_PPC_PSERIES
+struct device_node;
+
+extern struct vio_dev * __devinit vio_register_device_node(
+		struct device_node *node_vdev);
+extern struct vio_dev *vio_find_node(struct device_node *vnode);
+extern const void *vio_get_attribute(struct vio_dev *vdev, void *which,
+		int *length);
+extern int vio_enable_interrupts(struct vio_dev *dev);
+extern int vio_disable_interrupts(struct vio_dev *dev);
+#endif
+
+static inline struct vio_driver *to_vio_driver(struct device_driver *drv)
+{
+	return container_of(drv, struct vio_driver, driver);
+}
+
+static inline struct vio_dev *to_vio_dev(struct device *dev)
+{
+	return container_of(dev, struct vio_dev, dev);
+}
+
+#endif /* _ASM_POWERPC_VIO_H */