diff options
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 0a290a195946..000000000000 --- a/include/asm-powerpc/vio.h +++ /dev/null | |||
@@ -1,118 +0,0 @@ | |||
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_POWERPC_VIO_H | ||
15 | #define _ASM_POWERPC_VIO_H | ||
16 | #ifdef __KERNEL__ | ||
17 | |||
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> | ||
23 | |||
24 | #include <asm/hvcall.h> | ||
25 | #include <asm/scatterlist.h> | ||
26 | |||
27 | /* | ||
28 | * Architecture-specific constants for drivers to | ||
29 | * extract attributes of the device using vio_get_attribute() | ||
30 | */ | ||
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 | |||
42 | /* | ||
43 | * VIO CMO minimum entitlement for all devices and spare entitlement | ||
44 | */ | ||
45 | #define VIO_CMO_MIN_ENT 1562624 | ||
46 | |||
47 | struct iommu_table; | ||
48 | |||
49 | /** | ||
50 | * vio_dev - This structure is used to describe virtual I/O devices. | ||
51 | * | ||
52 | * @desired: set from return of driver's get_desired_dma() function | ||
53 | * @entitled: bytes of IO data that has been reserved for this device. | ||
54 | * @allocated: bytes of IO data currently in use by the device. | ||
55 | * @allocs_failed: number of DMA failures due to insufficient entitlement. | ||
56 | */ | ||
57 | struct vio_dev { | ||
58 | const char *name; | ||
59 | const char *type; | ||
60 | uint32_t unit_address; | ||
61 | unsigned int irq; | ||
62 | struct { | ||
63 | size_t desired; | ||
64 | size_t entitled; | ||
65 | size_t allocated; | ||
66 | atomic_t allocs_failed; | ||
67 | } cmo; | ||
68 | struct device dev; | ||
69 | }; | ||
70 | |||
71 | struct vio_driver { | ||
72 | const struct vio_device_id *id_table; | ||
73 | int (*probe)(struct vio_dev *dev, const struct vio_device_id *id); | ||
74 | int (*remove)(struct vio_dev *dev); | ||
75 | /* A driver must have a get_desired_dma() function to | ||
76 | * be loaded in a CMO environment if it uses DMA. | ||
77 | */ | ||
78 | unsigned long (*get_desired_dma)(struct vio_dev *dev); | ||
79 | struct device_driver driver; | ||
80 | }; | ||
81 | |||
82 | extern int vio_register_driver(struct vio_driver *drv); | ||
83 | extern void vio_unregister_driver(struct vio_driver *drv); | ||
84 | |||
85 | extern int vio_cmo_entitlement_update(size_t); | ||
86 | extern void vio_cmo_set_dev_desired(struct vio_dev *viodev, size_t desired); | ||
87 | |||
88 | extern void __devinit vio_unregister_device(struct vio_dev *dev); | ||
89 | |||
90 | struct device_node; | ||
91 | |||
92 | extern struct vio_dev *vio_register_device_node( | ||
93 | struct device_node *node_vdev); | ||
94 | extern const void *vio_get_attribute(struct vio_dev *vdev, char *which, | ||
95 | int *length); | ||
96 | #ifdef CONFIG_PPC_PSERIES | ||
97 | extern struct vio_dev *vio_find_node(struct device_node *vnode); | ||
98 | extern int vio_enable_interrupts(struct vio_dev *dev); | ||
99 | extern int vio_disable_interrupts(struct vio_dev *dev); | ||
100 | #else | ||
101 | static inline int vio_enable_interrupts(struct vio_dev *dev) | ||
102 | { | ||
103 | return 0; | ||
104 | } | ||
105 | #endif | ||
106 | |||
107 | static inline struct vio_driver *to_vio_driver(struct device_driver *drv) | ||
108 | { | ||
109 | return container_of(drv, struct vio_driver, driver); | ||
110 | } | ||
111 | |||
112 | static inline struct vio_dev *to_vio_dev(struct device *dev) | ||
113 | { | ||
114 | return container_of(dev, struct vio_dev, dev); | ||
115 | } | ||
116 | |||
117 | #endif /* __KERNEL__ */ | ||
118 | #endif /* _ASM_POWERPC_VIO_H */ | ||