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Diffstat (limited to 'include/asm-powerpc/vio.h')
| -rw-r--r-- | include/asm-powerpc/vio.h | 118 |
1 files changed, 0 insertions, 118 deletions
diff --git a/include/asm-powerpc/vio.h b/include/asm-powerpc/vio.h deleted file mode 100644 index 0a290a19594..00000000000 --- a/include/asm-powerpc/vio.h +++ /dev/null @@ -1,118 +0,0 @@ -/* - * 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 - -/* - * VIO CMO minimum entitlement for all devices and spare entitlement - */ -#define VIO_CMO_MIN_ENT 1562624 - -struct iommu_table; - -/** - * vio_dev - This structure is used to describe virtual I/O devices. - * - * @desired: set from return of driver's get_desired_dma() function - * @entitled: bytes of IO data that has been reserved for this device. - * @allocated: bytes of IO data currently in use by the device. - * @allocs_failed: number of DMA failures due to insufficient entitlement. - */ -struct vio_dev { - const char *name; - const char *type; - uint32_t unit_address; - unsigned int irq; - struct { - size_t desired; - size_t entitled; - size_t allocated; - atomic_t allocs_failed; - } cmo; - struct device dev; -}; - -struct vio_driver { - 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); - /* A driver must have a get_desired_dma() function to - * be loaded in a CMO environment if it uses DMA. - */ - unsigned long (*get_desired_dma)(struct vio_dev *dev); - struct device_driver driver; -}; - -extern int vio_register_driver(struct vio_driver *drv); -extern void vio_unregister_driver(struct vio_driver *drv); - -extern int vio_cmo_entitlement_update(size_t); -extern void vio_cmo_set_dev_desired(struct vio_dev *viodev, size_t desired); - -extern void __devinit vio_unregister_device(struct vio_dev *dev); - -struct device_node; - -extern struct vio_dev *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); -#else -static inline int vio_enable_interrupts(struct vio_dev *dev) -{ - return 0; -} -#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 */ |