diff options
Diffstat (limited to 'include/asm-ppc64/vio.h')
-rw-r--r-- | include/asm-ppc64/vio.h | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/include/asm-ppc64/vio.h b/include/asm-ppc64/vio.h new file mode 100644 index 000000000000..20cd98ee6337 --- /dev/null +++ b/include/asm-ppc64/vio.h | |||
@@ -0,0 +1,103 @@ | |||
1 | /* | ||
2 | * IBM PowerPC Virtual I/O Infrastructure Support. | ||
3 | * | ||
4 | * Copyright (c) 2003 IBM Corp. | ||
5 | * Dave Engebretsen engebret@us.ibm.com | ||
6 | * Santiago Leon santil@us.ibm.com | ||
7 | * | ||
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. | ||
12 | */ | ||
13 | |||
14 | #ifndef _ASM_VIO_H | ||
15 | #define _ASM_VIO_H | ||
16 | |||
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 <asm/hvcall.h> | ||
23 | #include <asm/prom.h> | ||
24 | #include <asm/scatterlist.h> | ||
25 | /* | ||
26 | * Architecture-specific constants for drivers to | ||
27 | * extract attributes of the device using vio_get_attribute() | ||
28 | */ | ||
29 | #define VETH_MAC_ADDR "local-mac-address" | ||
30 | #define VETH_MCAST_FILTER_SIZE "ibm,mac-address-filters" | ||
31 | |||
32 | /* End architecture-specific constants */ | ||
33 | |||
34 | #define h_vio_signal(ua, mode) \ | ||
35 | plpar_hcall_norets(H_VIO_SIGNAL, ua, mode) | ||
36 | |||
37 | #define VIO_IRQ_DISABLE 0UL | ||
38 | #define VIO_IRQ_ENABLE 1UL | ||
39 | |||
40 | struct vio_dev; | ||
41 | struct vio_driver; | ||
42 | struct vio_device_id; | ||
43 | struct iommu_table; | ||
44 | |||
45 | int vio_register_driver(struct vio_driver *drv); | ||
46 | void vio_unregister_driver(struct vio_driver *drv); | ||
47 | |||
48 | #ifdef CONFIG_PPC_PSERIES | ||
49 | struct vio_dev * __devinit vio_register_device_node( | ||
50 | struct device_node *node_vdev); | ||
51 | #endif | ||
52 | void __devinit vio_unregister_device(struct vio_dev *dev); | ||
53 | struct vio_dev *vio_find_node(struct device_node *vnode); | ||
54 | |||
55 | const void * vio_get_attribute(struct vio_dev *vdev, void* which, int* length); | ||
56 | int vio_get_irq(struct vio_dev *dev); | ||
57 | int vio_enable_interrupts(struct vio_dev *dev); | ||
58 | int vio_disable_interrupts(struct vio_dev *dev); | ||
59 | |||
60 | extern struct dma_mapping_ops vio_dma_ops; | ||
61 | |||
62 | extern struct bus_type vio_bus_type; | ||
63 | |||
64 | struct vio_device_id { | ||
65 | char *type; | ||
66 | char *compat; | ||
67 | }; | ||
68 | |||
69 | struct vio_driver { | ||
70 | struct list_head node; | ||
71 | char *name; | ||
72 | const struct vio_device_id *id_table; /* NULL if wants all devices */ | ||
73 | int (*probe) (struct vio_dev *dev, const struct vio_device_id *id); /* New device inserted */ | ||
74 | int (*remove) (struct vio_dev *dev); /* Device removed (NULL if not a hot-plug capable driver) */ | ||
75 | unsigned long driver_data; | ||
76 | |||
77 | struct device_driver driver; | ||
78 | }; | ||
79 | |||
80 | static inline struct vio_driver *to_vio_driver(struct device_driver *drv) | ||
81 | { | ||
82 | return container_of(drv, struct vio_driver, driver); | ||
83 | } | ||
84 | |||
85 | /* | ||
86 | * The vio_dev structure is used to describe virtual I/O devices. | ||
87 | */ | ||
88 | struct vio_dev { | ||
89 | struct iommu_table *iommu_table; /* vio_map_* uses this */ | ||
90 | char *name; | ||
91 | char *type; | ||
92 | uint32_t unit_address; | ||
93 | unsigned int irq; | ||
94 | |||
95 | struct device dev; | ||
96 | }; | ||
97 | |||
98 | static inline struct vio_dev *to_vio_dev(struct device *dev) | ||
99 | { | ||
100 | return container_of(dev, struct vio_dev, dev); | ||
101 | } | ||
102 | |||
103 | #endif /* _ASM_VIO_H */ | ||