/* * 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 #ifdef __KERNEL__ #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 { const char *name; const 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; }; extern struct dma_mapping_ops vio_dma_ops; extern struct bus_type vio_bus_type; extern int vio_register_driver(struct vio_driver *drv); extern void vio_unregister_driver(struct vio_driver *drv); extern void __devinit vio_unregister_device(struct vio_dev *dev); struct device_node; extern struct vio_dev * __devinit vio_register_device_node( struct device_node *node_vdev); extern const void *vio_get_attribute(struct vio_dev *vdev, char *which, int *length); #ifdef CONFIG_PPC_PSERIES extern struct vio_dev *vio_find_node(struct device_node *vnode); 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 /* __KERNEL__ */ #endif /* _ASM_POWERPC_VIO_H */