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Diffstat (limited to 'include/linux/io-64-nonatomic-hi-lo.h')
-rw-r--r--include/linux/io-64-nonatomic-hi-lo.h64
1 files changed, 64 insertions, 0 deletions
diff --git a/include/linux/io-64-nonatomic-hi-lo.h b/include/linux/io-64-nonatomic-hi-lo.h
index 862d786a904f..ae21b72cce85 100644
--- a/include/linux/io-64-nonatomic-hi-lo.h
+++ b/include/linux/io-64-nonatomic-hi-lo.h
@@ -55,4 +55,68 @@ static inline void hi_lo_writeq_relaxed(__u64 val, volatile void __iomem *addr)
#define writeq_relaxed hi_lo_writeq_relaxed
#endif
+#ifndef ioread64_hi_lo
+#define ioread64_hi_lo ioread64_hi_lo
+static inline u64 ioread64_hi_lo(void __iomem *addr)
+{
+ u32 low, high;
+
+ high = ioread32(addr + sizeof(u32));
+ low = ioread32(addr);
+
+ return low + ((u64)high << 32);
+}
+#endif
+
+#ifndef iowrite64_hi_lo
+#define iowrite64_hi_lo iowrite64_hi_lo
+static inline void iowrite64_hi_lo(u64 val, void __iomem *addr)
+{
+ iowrite32(val >> 32, addr + sizeof(u32));
+ iowrite32(val, addr);
+}
+#endif
+
+#ifndef ioread64be_hi_lo
+#define ioread64be_hi_lo ioread64be_hi_lo
+static inline u64 ioread64be_hi_lo(void __iomem *addr)
+{
+ u32 low, high;
+
+ high = ioread32be(addr);
+ low = ioread32be(addr + sizeof(u32));
+
+ return low + ((u64)high << 32);
+}
+#endif
+
+#ifndef iowrite64be_hi_lo
+#define iowrite64be_hi_lo iowrite64be_hi_lo
+static inline void iowrite64be_hi_lo(u64 val, void __iomem *addr)
+{
+ iowrite32be(val >> 32, addr);
+ iowrite32be(val, addr + sizeof(u32));
+}
+#endif
+
+#ifndef ioread64
+#define ioread64_is_nonatomic
+#define ioread64 ioread64_hi_lo
+#endif
+
+#ifndef iowrite64
+#define iowrite64_is_nonatomic
+#define iowrite64 iowrite64_hi_lo
+#endif
+
+#ifndef ioread64be
+#define ioread64be_is_nonatomic
+#define ioread64be ioread64be_hi_lo
+#endif
+
+#ifndef iowrite64be
+#define iowrite64be_is_nonatomic
+#define iowrite64be iowrite64be_hi_lo
+#endif
+
#endif /* _LINUX_IO_64_NONATOMIC_HI_LO_H_ */