diff options
Diffstat (limited to 'drivers/iommu/shmobile-ipmmu.h')
-rw-r--r-- | drivers/iommu/shmobile-ipmmu.h | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/drivers/iommu/shmobile-ipmmu.h b/drivers/iommu/shmobile-ipmmu.h new file mode 100644 index 000000000000..4d53684673e1 --- /dev/null +++ b/drivers/iommu/shmobile-ipmmu.h | |||
@@ -0,0 +1,34 @@ | |||
1 | /* shmobile-ipmmu.h | ||
2 | * | ||
3 | * Copyright (C) 2012 Hideki EIRAKU | ||
4 | * | ||
5 | * This program is free software; you can redistribute it and/or modify | ||
6 | * it under the terms of the GNU General Public License as published by | ||
7 | * the Free Software Foundation; version 2 of the License. | ||
8 | */ | ||
9 | |||
10 | #ifndef __SHMOBILE_IPMMU_H__ | ||
11 | #define __SHMOBILE_IPMMU_H__ | ||
12 | |||
13 | struct shmobile_ipmmu { | ||
14 | struct device *dev; | ||
15 | void __iomem *ipmmu_base; | ||
16 | int tlb_enabled; | ||
17 | struct mutex flush_lock; | ||
18 | const char * const *dev_names; | ||
19 | unsigned int num_dev_names; | ||
20 | }; | ||
21 | |||
22 | #ifdef CONFIG_SHMOBILE_IPMMU_TLB | ||
23 | void ipmmu_tlb_flush(struct shmobile_ipmmu *ipmmu); | ||
24 | void ipmmu_tlb_set(struct shmobile_ipmmu *ipmmu, unsigned long phys, int size, | ||
25 | int asid); | ||
26 | int ipmmu_iommu_init(struct shmobile_ipmmu *ipmmu); | ||
27 | #else | ||
28 | static inline int ipmmu_iommu_init(struct shmobile_ipmmu *ipmmu) | ||
29 | { | ||
30 | return -EINVAL; | ||
31 | } | ||
32 | #endif | ||
33 | |||
34 | #endif /* __SHMOBILE_IPMMU_H__ */ | ||