Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | * IBM PowerPC Virtual I/O Infrastructure Support. |
| 3 | * |
Stephen Rothwell | f38d87f | 2005-10-24 14:32:35 +1000 | [diff] [blame] | 4 | * Copyright (c) 2003 IBM Corp. |
| 5 | * Dave Engebretsen engebret@us.ibm.com |
| 6 | * Santiago Leon santil@us.ibm.com |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7 | * |
Stephen Rothwell | f38d87f | 2005-10-24 14:32:35 +1000 | [diff] [blame] | 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. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 12 | */ |
| 13 | |
Stephen Rothwell | f38d87f | 2005-10-24 14:32:35 +1000 | [diff] [blame] | 14 | #ifndef _ASM_POWERPC_VIO_H |
| 15 | #define _ASM_POWERPC_VIO_H |
Arnd Bergmann | 88ced03 | 2005-12-16 22:43:46 +0100 | [diff] [blame] | 16 | #ifdef __KERNEL__ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 17 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 18 | #include <linux/init.h> |
| 19 | #include <linux/errno.h> |
| 20 | #include <linux/device.h> |
| 21 | #include <linux/dma-mapping.h> |
Stephen Rothwell | fb120da | 2005-08-17 16:42:59 +1000 | [diff] [blame] | 22 | #include <linux/mod_devicetable.h> |
Stephen Rothwell | 71d276d | 2005-08-17 16:41:44 +1000 | [diff] [blame] | 23 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 24 | #include <asm/hvcall.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 25 | #include <asm/scatterlist.h> |
Stephen Rothwell | 71d276d | 2005-08-17 16:41:44 +1000 | [diff] [blame] | 26 | |
| 27 | /* |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 28 | * Architecture-specific constants for drivers to |
| 29 | * extract attributes of the device using vio_get_attribute() |
Stephen Rothwell | 71d276d | 2005-08-17 16:41:44 +1000 | [diff] [blame] | 30 | */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 42 | struct iommu_table; |
| 43 | |
Stephen Rothwell | 71d276d | 2005-08-17 16:41:44 +1000 | [diff] [blame] | 44 | /* |
| 45 | * The vio_dev structure is used to describe virtual I/O devices. |
| 46 | */ |
| 47 | struct vio_dev { |
Jeremy Kerr | a7f67bd | 2006-07-12 15:35:54 +1000 | [diff] [blame] | 48 | const char *name; |
| 49 | const char *type; |
Stephen Rothwell | 71d276d | 2005-08-17 16:41:44 +1000 | [diff] [blame] | 50 | uint32_t unit_address; |
| 51 | unsigned int irq; |
| 52 | struct device dev; |
| 53 | }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 54 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 55 | struct vio_driver { |
| 56 | struct list_head node; |
Stephen Rothwell | 71d276d | 2005-08-17 16:41:44 +1000 | [diff] [blame] | 57 | const struct vio_device_id *id_table; |
| 58 | int (*probe)(struct vio_dev *dev, const struct vio_device_id *id); |
| 59 | int (*remove)(struct vio_dev *dev); |
Stephen Rothwell | 3406010 | 2005-10-24 17:40:23 +1000 | [diff] [blame] | 60 | void (*shutdown)(struct vio_dev *dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 61 | unsigned long driver_data; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 62 | struct device_driver driver; |
| 63 | }; |
| 64 | |
Stephen Rothwell | 71d276d | 2005-08-17 16:41:44 +1000 | [diff] [blame] | 65 | extern struct dma_mapping_ops vio_dma_ops; |
| 66 | extern struct bus_type vio_bus_type; |
Stephen Rothwell | 71d276d | 2005-08-17 16:41:44 +1000 | [diff] [blame] | 67 | |
| 68 | extern int vio_register_driver(struct vio_driver *drv); |
| 69 | extern void vio_unregister_driver(struct vio_driver *drv); |
| 70 | |
Stephen Rothwell | 71d276d | 2005-08-17 16:41:44 +1000 | [diff] [blame] | 71 | extern void __devinit vio_unregister_device(struct vio_dev *dev); |
| 72 | |
Stephen Rothwell | 71d276d | 2005-08-17 16:41:44 +1000 | [diff] [blame] | 73 | struct device_node; |
| 74 | |
| 75 | extern struct vio_dev * __devinit vio_register_device_node( |
| 76 | struct device_node *node_vdev); |
Stephen Rothwell | e10fa77 | 2006-04-27 17:18:21 +1000 | [diff] [blame] | 77 | extern const void *vio_get_attribute(struct vio_dev *vdev, char *which, |
Stephen Rothwell | 71d276d | 2005-08-17 16:41:44 +1000 | [diff] [blame] | 78 | int *length); |
Stephen Rothwell | e10fa77 | 2006-04-27 17:18:21 +1000 | [diff] [blame] | 79 | #ifdef CONFIG_PPC_PSERIES |
| 80 | extern struct vio_dev *vio_find_node(struct device_node *vnode); |
Stephen Rothwell | 71d276d | 2005-08-17 16:41:44 +1000 | [diff] [blame] | 81 | extern int vio_enable_interrupts(struct vio_dev *dev); |
| 82 | extern int vio_disable_interrupts(struct vio_dev *dev); |
Stephen Rothwell | 56a4c6e | 2007-07-23 11:55:32 +1000 | [diff] [blame^] | 83 | #else |
| 84 | static inline int vio_enable_interrupts(struct vio_dev *dev) |
| 85 | { |
| 86 | return 0; |
| 87 | } |
Stephen Rothwell | 71d276d | 2005-08-17 16:41:44 +1000 | [diff] [blame] | 88 | #endif |
| 89 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 90 | static inline struct vio_driver *to_vio_driver(struct device_driver *drv) |
| 91 | { |
| 92 | return container_of(drv, struct vio_driver, driver); |
| 93 | } |
| 94 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 95 | static inline struct vio_dev *to_vio_dev(struct device *dev) |
| 96 | { |
| 97 | return container_of(dev, struct vio_dev, dev); |
| 98 | } |
| 99 | |
Arnd Bergmann | 88ced03 | 2005-12-16 22:43:46 +0100 | [diff] [blame] | 100 | #endif /* __KERNEL__ */ |
Stephen Rothwell | f38d87f | 2005-10-24 14:32:35 +1000 | [diff] [blame] | 101 | #endif /* _ASM_POWERPC_VIO_H */ |