add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/include/soc/rockchip/rockchip_iommu.h
..
..
@@ -7,10 +7,15 @@
7
7
 
8
8
 struct device;
9
9
 
10
-#if IS_ENABLED(CONFIG_ROCKCHIP_IOMMU)
10
+#if IS_REACHABLE(CONFIG_ROCKCHIP_IOMMU)
11
11
 int rockchip_iommu_enable(struct device *dev);
12
12
 int rockchip_iommu_disable(struct device *dev);
13
+int rockchip_pagefault_done(struct device *master_dev);
14
+void __iomem *rockchip_get_iommu_base(struct device *master_dev, int idx);
13
15
 bool rockchip_iommu_is_enabled(struct device *dev);
16
+void rockchip_iommu_mask_irq(struct device *dev);
17
+void rockchip_iommu_unmask_irq(struct device *dev);
18
+int rockchip_iommu_force_reset(struct device *dev);
14
19
 #else
15
20
 static inline int rockchip_iommu_enable(struct device *dev)
16
21
 {
..
..
@@ -20,10 +25,28 @@
20
25
 {
21
26
 	return -ENODEV;
22
27
 }
28
+static inline int rockchip_pagefault_done(struct device *master_dev)
29
+{
30
+	return 0;
31
+}
32
+static inline void __iomem *rockchip_get_iommu_base(struct device *master_dev, int idx)
33
+{
34
+	return NULL;
35
+}
23
36
 static inline bool rockchip_iommu_is_enabled(struct device *dev)
24
37
 {
25
38
 	return false;
26
39
 }
40
+static inline void rockchip_iommu_mask_irq(struct device *dev)
41
+{
42
+}
43
+static inline void rockchip_iommu_unmask_irq(struct device *dev)
44
+{
45
+}
46
+static inline int rockchip_iommu_force_reset(struct device *dev)
47
+{
48
+	return -ENODEV;
49
+}
27
50
 #endif
28
51
 
29
52
 #endif