2 * IBM PowerPC Virtual I/O Infrastructure Support.
4 * Copyright (c) 2003 IBM Corp.
5 * Dave Engebretsen engebret@us.ibm.com
6 * Santiago Leon santil@us.ibm.com
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License
10 * as published by the Free Software Foundation; either version
11 * 2 of the License, or (at your option) any later version.
17 #include <linux/config.h>
18 #include <linux/init.h>
19 #include <linux/errno.h>
20 #include <linux/device.h>
21 #include <linux/dma-mapping.h>
22 #include <linux/mod_devicetable.h>
24 #include <asm/hvcall.h>
25 #include <asm/scatterlist.h>
28 * Architecture-specific constants for drivers to
29 * extract attributes of the device using vio_get_attribute()
31 #define VETH_MAC_ADDR "local-mac-address"
32 #define VETH_MCAST_FILTER_SIZE "ibm,mac-address-filters"
34 /* End architecture-specific constants */
36 #define h_vio_signal(ua, mode) \
37 plpar_hcall_norets(H_VIO_SIGNAL, ua, mode)
39 #define VIO_IRQ_DISABLE 0UL
40 #define VIO_IRQ_ENABLE 1UL
45 * The vio_dev structure is used to describe virtual I/O devices.
48 struct iommu_table
*iommu_table
; /* vio_map_* uses this */
51 uint32_t unit_address
;
57 struct list_head node
;
59 const struct vio_device_id
*id_table
;
60 int (*probe
)(struct vio_dev
*dev
, const struct vio_device_id
*id
);
61 int (*remove
)(struct vio_dev
*dev
);
62 unsigned long driver_data
;
63 struct device_driver driver
;
67 int (*match
)(const struct vio_device_id
*id
, const struct vio_dev
*dev
);
68 void (*unregister_device
)(struct vio_dev
*);
69 void (*release_device
)(struct device
*);
72 extern struct dma_mapping_ops vio_dma_ops
;
73 extern struct bus_type vio_bus_type
;
74 extern struct vio_dev vio_bus_device
;
76 extern int vio_register_driver(struct vio_driver
*drv
);
77 extern void vio_unregister_driver(struct vio_driver
*drv
);
79 extern struct vio_dev
* __devinit
vio_register_device(struct vio_dev
*viodev
);
80 extern void __devinit
vio_unregister_device(struct vio_dev
*dev
);
82 extern int vio_bus_init(struct vio_bus_ops
*);
84 #ifdef CONFIG_PPC_PSERIES
87 extern struct vio_dev
* __devinit
vio_register_device_node(
88 struct device_node
*node_vdev
);
89 extern struct vio_dev
*vio_find_node(struct device_node
*vnode
);
90 extern const void *vio_get_attribute(struct vio_dev
*vdev
, void *which
,
92 extern int vio_enable_interrupts(struct vio_dev
*dev
);
93 extern int vio_disable_interrupts(struct vio_dev
*dev
);
96 static inline struct vio_driver
*to_vio_driver(struct device_driver
*drv
)
98 return container_of(drv
, struct vio_driver
, driver
);
101 static inline struct vio_dev
*to_vio_dev(struct device
*dev
)
103 return container_of(dev
, struct vio_dev
, dev
);
106 #endif /* _ASM_VIO_H */