diff options
Diffstat (limited to 'arch/arm64/include/asm/io.h')
| -rw-r--r-- | arch/arm64/include/asm/io.h | 19 |
1 files changed, 8 insertions, 11 deletions
diff --git a/arch/arm64/include/asm/io.h b/arch/arm64/include/asm/io.h index 1ada23a6ec19..76ebbdc6ffdd 100644 --- a/arch/arm64/include/asm/io.h +++ b/arch/arm64/include/asm/io.h @@ -17,6 +17,7 @@ #include <asm/early_ioremap.h> #include <asm/alternative.h> #include <asm/cpufeature.h> +#include <asm/rsi.h> /* * Generic IO read/write. These perform native-endian accesses. @@ -129,17 +130,6 @@ static __always_inline u64 __raw_readq(const volatile void __iomem *addr) #define PCI_IOBASE ((void __iomem *)PCI_IO_START) /* - * String version of I/O memory access operations. - */ -extern void __memcpy_fromio(void *, const volatile void __iomem *, size_t); -extern void __memcpy_toio(volatile void __iomem *, const void *, size_t); -extern void __memset_io(volatile void __iomem *, int, size_t); - -#define memset_io(c,v,l) __memset_io((c),(v),(l)) -#define memcpy_fromio(a,c,l) __memcpy_fromio((a),(c),(l)) -#define memcpy_toio(c,a,l) __memcpy_toio((c),(a),(l)) - -/* * The ARM64 iowrite implementation is intended to support drivers that want to * use write combining. For instance PCI drivers using write combining with a 64 * byte __iowrite64_copy() expect to get a 64 byte MemWr TLP on the PCIe bus. @@ -318,4 +308,11 @@ extern bool arch_memremap_can_ram_remap(resource_size_t offset, size_t size, unsigned long flags); #define arch_memremap_can_ram_remap arch_memremap_can_ram_remap +static inline bool arm64_is_protected_mmio(phys_addr_t phys_addr, size_t size) +{ + if (unlikely(is_realm_world())) + return __arm64_is_protected_mmio(phys_addr, size); + return false; +} + #endif /* __ASM_IO_H */ |