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1 | /* |
2 | * Copyright(c) 2007 - 2009 Intel Corporation. All rights reserved. |
3 | * |
4 | * This program is free software; you can redistribute it and/or modify it |
5 | * under the terms of the GNU General Public License as published by the Free |
6 | * Software Foundation; either version 2 of the License, or (at your option) |
7 | * any later version. |
8 | * |
9 | * This program is distributed in the hope that it will be useful, but WITHOUT |
10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for |
12 | * more details. |
13 | * |
14 | * You should have received a copy of the GNU General Public License along with |
15 | * this program; if not, write to the Free Software Foundation, Inc., 59 |
16 | * Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
17 | * |
18 | * The full GNU General Public License is included in this distribution in the |
19 | * file called COPYING. |
20 | */ |
21 | #ifndef DCA_H |
22 | #define DCA_H |
23 | |
24 | #include <linux/pci.h> |
25 | |
26 | /* DCA Provider API */ |
27 | |
28 | /* DCA Notifier Interface */ |
29 | void dca_register_notify(struct notifier_block *nb); |
30 | void dca_unregister_notify(struct notifier_block *nb); |
31 | |
32 | #define DCA_PROVIDER_ADD 0x0001 |
33 | #define DCA_PROVIDER_REMOVE 0x0002 |
34 | |
35 | struct dca_provider { |
36 | struct list_head node; |
37 | struct dca_ops *ops; |
38 | struct device *cd; |
39 | int id; |
40 | }; |
41 | |
42 | struct dca_domain { |
43 | struct list_head node; |
44 | struct list_head dca_providers; |
45 | struct pci_bus *pci_rc; |
46 | }; |
47 | |
48 | struct dca_ops { |
49 | int (*add_requester) (struct dca_provider *, struct device *); |
50 | int (*remove_requester) (struct dca_provider *, struct device *); |
51 | u8 (*get_tag) (struct dca_provider *, struct device *, |
52 | int cpu); |
53 | int (*dev_managed) (struct dca_provider *, struct device *); |
54 | }; |
55 | |
56 | struct dca_provider *alloc_dca_provider(struct dca_ops *ops, int priv_size); |
57 | void free_dca_provider(struct dca_provider *dca); |
58 | int register_dca_provider(struct dca_provider *dca, struct device *dev); |
59 | void unregister_dca_provider(struct dca_provider *dca, struct device *dev); |
60 | |
61 | static inline void *dca_priv(struct dca_provider *dca) |
62 | { |
63 | return (void *)dca + sizeof(struct dca_provider); |
64 | } |
65 | |
66 | /* Requester API */ |
67 | #define DCA_GET_TAG_TWO_ARGS |
68 | int dca_add_requester(struct device *dev); |
69 | int dca_remove_requester(struct device *dev); |
70 | u8 dca_get_tag(int cpu); |
71 | u8 dca3_get_tag(struct device *dev, int cpu); |
72 | |
73 | /* internal stuff */ |
74 | int __init dca_sysfs_init(void); |
75 | void __exit dca_sysfs_exit(void); |
76 | int dca_sysfs_add_provider(struct dca_provider *dca, struct device *dev); |
77 | void dca_sysfs_remove_provider(struct dca_provider *dca); |
78 | int dca_sysfs_add_req(struct dca_provider *dca, struct device *dev, int slot); |
79 | void dca_sysfs_remove_req(struct dca_provider *dca, int slot); |
80 | |
81 | #endif /* DCA_H */ |
82 |
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Tags:
od-2011-09-04
od-2011-09-18
v2.6.34-rc5
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v3.9