Commit | Line | Data |
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1da177e4 LT |
1 | /* |
2 | * IBM PowerPC Virtual I/O Infrastructure Support. | |
3 | * | |
f38d87f5 SR |
4 | * Copyright (c) 2003 IBM Corp. |
5 | * Dave Engebretsen engebret@us.ibm.com | |
6 | * Santiago Leon santil@us.ibm.com | |
1da177e4 | 7 | * |
f38d87f5 SR |
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. | |
1da177e4 LT |
12 | */ |
13 | ||
f38d87f5 SR |
14 | #ifndef _ASM_POWERPC_VIO_H |
15 | #define _ASM_POWERPC_VIO_H | |
88ced031 | 16 | #ifdef __KERNEL__ |
1da177e4 | 17 | |
1da177e4 LT |
18 | #include <linux/init.h> |
19 | #include <linux/errno.h> | |
20 | #include <linux/device.h> | |
21 | #include <linux/dma-mapping.h> | |
fb120da6 | 22 | #include <linux/mod_devicetable.h> |
71d276d7 | 23 | |
1da177e4 | 24 | #include <asm/hvcall.h> |
1da177e4 | 25 | #include <asm/scatterlist.h> |
71d276d7 SR |
26 | |
27 | /* | |
1da177e4 LT |
28 | * Architecture-specific constants for drivers to |
29 | * extract attributes of the device using vio_get_attribute() | |
71d276d7 | 30 | */ |
1da177e4 LT |
31 | #define VETH_MAC_ADDR "local-mac-address" |
32 | #define VETH_MCAST_FILTER_SIZE "ibm,mac-address-filters" | |
33 | ||
34 | /* End architecture-specific constants */ | |
35 | ||
36 | #define h_vio_signal(ua, mode) \ | |
37 | plpar_hcall_norets(H_VIO_SIGNAL, ua, mode) | |
38 | ||
39 | #define VIO_IRQ_DISABLE 0UL | |
40 | #define VIO_IRQ_ENABLE 1UL | |
41 | ||
1da177e4 LT |
42 | struct iommu_table; |
43 | ||
71d276d7 SR |
44 | /* |
45 | * The vio_dev structure is used to describe virtual I/O devices. | |
46 | */ | |
47 | struct vio_dev { | |
a7f67bdf JK |
48 | const char *name; |
49 | const char *type; | |
71d276d7 SR |
50 | uint32_t unit_address; |
51 | unsigned int irq; | |
52 | struct device dev; | |
53 | }; | |
1da177e4 | 54 | |
1da177e4 | 55 | struct vio_driver { |
71d276d7 SR |
56 | const struct vio_device_id *id_table; |
57 | int (*probe)(struct vio_dev *dev, const struct vio_device_id *id); | |
58 | int (*remove)(struct vio_dev *dev); | |
1da177e4 LT |
59 | struct device_driver driver; |
60 | }; | |
61 | ||
71d276d7 SR |
62 | extern int vio_register_driver(struct vio_driver *drv); |
63 | extern void vio_unregister_driver(struct vio_driver *drv); | |
64 | ||
71d276d7 SR |
65 | extern void __devinit vio_unregister_device(struct vio_dev *dev); |
66 | ||
71d276d7 SR |
67 | struct device_node; |
68 | ||
69 | extern struct vio_dev * __devinit vio_register_device_node( | |
70 | struct device_node *node_vdev); | |
e10fa773 | 71 | extern const void *vio_get_attribute(struct vio_dev *vdev, char *which, |
71d276d7 | 72 | int *length); |
e10fa773 SR |
73 | #ifdef CONFIG_PPC_PSERIES |
74 | extern struct vio_dev *vio_find_node(struct device_node *vnode); | |
71d276d7 SR |
75 | extern int vio_enable_interrupts(struct vio_dev *dev); |
76 | extern int vio_disable_interrupts(struct vio_dev *dev); | |
56a4c6e3 SR |
77 | #else |
78 | static inline int vio_enable_interrupts(struct vio_dev *dev) | |
79 | { | |
80 | return 0; | |
81 | } | |
71d276d7 SR |
82 | #endif |
83 | ||
1da177e4 LT |
84 | static inline struct vio_driver *to_vio_driver(struct device_driver *drv) |
85 | { | |
86 | return container_of(drv, struct vio_driver, driver); | |
87 | } | |
88 | ||
1da177e4 LT |
89 | static inline struct vio_dev *to_vio_dev(struct device *dev) |
90 | { | |
91 | return container_of(dev, struct vio_dev, dev); | |
92 | } | |
93 | ||
88ced031 | 94 | #endif /* __KERNEL__ */ |
f38d87f5 | 95 | #endif /* _ASM_POWERPC_VIO_H */ |