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authorHiroshi DOYU <Hiroshi.DOYU@nokia.com>2009-08-28 10:54:41 -0700
committerTony Lindgren <tony@atomide.com>2009-08-28 10:54:41 -0700
commit14e0e6796a0d460ac6f7727616161dc317bbbf3a (patch)
tree06ff0894445ad8b08aa15e479742131396e1021b /arch/arm/plat-omap/include
parent613f77696e2c489e87def86a443fb4889acb95aa (diff)
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')
-rw-r--r--arch/arm/plat-omap/include/mach/iommu.h6
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 769b00b4c34..46d41ac83db 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 */