iommu/omap: Move debugfs functions to omap-iommu-debug.c

[mirror_ubuntu-artful-kernel.git] / drivers / iommu / omap-iommu.h

diff --git a/drivers/iommu/omap-iommu.h b/drivers/iommu/omap-iommu.h
index d736630df3c8a16a1a853915be83dec437225df0..b6cc90b2ba41e628287eeda405abeebdf2265e13 100644 (file)
--- a/drivers/iommu/omap-iommu.h
+++ b/drivers/iommu/omap-iommu.h
@@ -13,6 +13,11 @@
 #ifndef _OMAP_IOMMU_H
 #define _OMAP_IOMMU_H
 
+#define for_each_iotlb_cr(obj, n, __i, cr)                             \
+       for (__i = 0;                                                   \
+            (__i < (n)) && (cr = __iotlb_read_cr((obj), __i), true);   \
+            __i++)
+
 struct iotlb_entry {
        u32 da;
        u32 pa;
@@ -65,6 +70,11 @@ struct cr_regs {
        };
 };
 
+struct iotlb_lock {
+       short base;
+       short vict;
+};
+
 /**
  * dev_to_omap_iommu() - retrieves an omap iommu object from a user device
  * @dev: iommu client device
@@ -190,12 +200,12 @@ static inline struct omap_iommu *dev_to_omap_iommu(struct device *dev)
 /*
  * global functions
  */
-#ifdef CONFIG_OMAP_IOMMU_DEBUG
-extern ssize_t
-omap_iommu_dump_ctx(struct omap_iommu *obj, char *buf, ssize_t len);
-extern size_t
-omap_dump_tlb_entries(struct omap_iommu *obj, char *buf, ssize_t len);
 
+struct cr_regs __iotlb_read_cr(struct omap_iommu *obj, int n);
+void iotlb_lock_get(struct omap_iommu *obj, struct iotlb_lock *l);
+void iotlb_lock_set(struct omap_iommu *obj, struct iotlb_lock *l);
+
+#ifdef CONFIG_OMAP_IOMMU_DEBUG
 void omap_iommu_debugfs_init(void);
 void omap_iommu_debugfs_exit(void);
 
@@ -222,4 +232,12 @@ static inline void iommu_write_reg(struct omap_iommu *obj, u32 val, size_t offs)
        __raw_writel(val, obj->regbase + offs);
 }
 
+static inline int iotlb_cr_valid(struct cr_regs *cr)
+{
+       if (!cr)
+               return -EINVAL;
+
+       return cr->cam & MMU_CAM_V;
+}
+
 #endif /* _OMAP_IOMMU_H */