diff options
| author | Hiroshi DOYU | 2009-08-28 19:54:41 +0200 |
|---|---|---|
| committer | Tony Lindgren | 2009-08-28 19:54:41 +0200 |
| commit | 14e0e6796a0d460ac6f7727616161dc317bbbf3a (patch) | |
| tree | 06ff0894445ad8b08aa15e479742131396e1021b /arch/arm/plat-omap/include/mach/iommu.h | |
| parent | OMAP: iommu: fix wrong argument in flush_cache_vmap() (diff) | |
| download | kernel-qcow2-linux-14e0e6796a0d460ac6f7727616161dc317bbbf3a.tar.gz kernel-qcow2-linux-14e0e6796a0d460ac6f7727616161dc317bbbf3a.tar.xz kernel-qcow2-linux-14e0e6796a0d460ac6f7727616161dc317bbbf3a.zip | |
OMAP: iommu: add initial debugfs support
This enables to peek the following data.
$ /debug/iommu/isp# ls
mem nr_tlb_entries regs
mmap pagetable tlb
$ /debug/iommu/isp# head pagetable
L: da: pa:
-----------------------------------------
2: 00001000 8ae4a002
2: 00002000 8e7bb002
2: 00003000 8ae49002
2: 00004000 8ae65002
.....
Signed-off-by: Hiroshi DOYU <Hiroshi.DOYU@nokia.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Diffstat (limited to 'arch/arm/plat-omap/include/mach/iommu.h')
| -rw-r--r-- | arch/arm/plat-omap/include/mach/iommu.h | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/arch/arm/plat-omap/include/mach/iommu.h b/arch/arm/plat-omap/include/mach/iommu.h index 769b00b4c34a..46d41ac83dbf 100644 --- a/arch/arm/plat-omap/include/mach/iommu.h +++ b/arch/arm/plat-omap/include/mach/iommu.h @@ -95,7 +95,7 @@ struct iommu_functions { void (*save_ctx)(struct iommu *obj); void (*restore_ctx)(struct iommu *obj); - ssize_t (*dump_ctx)(struct iommu *obj, char *buf); + ssize_t (*dump_ctx)(struct iommu *obj, char *buf, ssize_t len); }; struct iommu_platform_data { @@ -162,7 +162,7 @@ extern void uninstall_iommu_arch(const struct iommu_functions *ops); extern int foreach_iommu_device(void *data, int (*fn)(struct device *, void *)); -extern ssize_t iommu_dump_ctx(struct iommu *obj, char *buf); -extern size_t dump_tlb_entries(struct iommu *obj, char *buf); +extern ssize_t iommu_dump_ctx(struct iommu *obj, char *buf, ssize_t len); +extern size_t dump_tlb_entries(struct iommu *obj, char *buf, ssize_t len); #endif /* __MACH_IOMMU_H */ |