diff options
Diffstat (limited to 'arch/x86/include/asm/io.h')
| -rw-r--r-- | arch/x86/include/asm/io.h | 106 |
1 files changed, 55 insertions, 51 deletions
diff --git a/arch/x86/include/asm/io.h b/arch/x86/include/asm/io.h index 48febf07e828..c40a95c33bb8 100644 --- a/arch/x86/include/asm/io.h +++ b/arch/x86/include/asm/io.h @@ -69,6 +69,9 @@ build_mmio_write(__writeb, "b", unsigned char, "q", ) build_mmio_write(__writew, "w", unsigned short, "r", ) build_mmio_write(__writel, "l", unsigned int, "r", ) +#define readb readb +#define readw readw +#define readl readl #define readb_relaxed(a) __readb(a) #define readw_relaxed(a) __readw(a) #define readl_relaxed(a) __readl(a) @@ -76,6 +79,9 @@ build_mmio_write(__writel, "l", unsigned int, "r", ) #define __raw_readw __readw #define __raw_readl __readl +#define writeb writeb +#define writew writew +#define writel writel #define writeb_relaxed(v, a) __writeb(v, a) #define writew_relaxed(v, a) __writew(v, a) #define writel_relaxed(v, a) __writel(v, a) @@ -88,13 +94,15 @@ build_mmio_write(__writel, "l", unsigned int, "r", ) #ifdef CONFIG_X86_64 build_mmio_read(readq, "q", unsigned long, "=r", :"memory") +build_mmio_read(__readq, "q", unsigned long, "=r", ) build_mmio_write(writeq, "q", unsigned long, "r", :"memory") +build_mmio_write(__writeq, "q", unsigned long, "r", ) -#define readq_relaxed(a) readq(a) -#define writeq_relaxed(v, a) writeq(v, a) +#define readq_relaxed(a) __readq(a) +#define writeq_relaxed(v, a) __writeq(v, a) -#define __raw_readq(a) readq(a) -#define __raw_writeq(val, addr) writeq(val, addr) +#define __raw_readq __readq +#define __raw_writeq __writeq /* Let people know that we have them */ #define readq readq @@ -119,6 +127,7 @@ static inline phys_addr_t virt_to_phys(volatile void *address) { return __pa(address); } +#define virt_to_phys virt_to_phys /** * phys_to_virt - map physical address to virtual @@ -137,6 +146,7 @@ static inline void *phys_to_virt(phys_addr_t address) { return __va(address); } +#define phys_to_virt phys_to_virt /* * Change "struct page" to physical address. @@ -169,11 +179,14 @@ static inline unsigned int isa_virt_to_bus(volatile void *address) * else, you probably want one of the following. */ extern void __iomem *ioremap_nocache(resource_size_t offset, unsigned long size); +#define ioremap_nocache ioremap_nocache extern void __iomem *ioremap_uc(resource_size_t offset, unsigned long size); #define ioremap_uc ioremap_uc extern void __iomem *ioremap_cache(resource_size_t offset, unsigned long size); +#define ioremap_cache ioremap_cache extern void __iomem *ioremap_prot(resource_size_t offset, unsigned long size, unsigned long prot_val); +#define ioremap_prot ioremap_prot /** * ioremap - map bus memory into CPU space @@ -193,8 +206,10 @@ static inline void __iomem *ioremap(resource_size_t offset, unsigned long size) { return ioremap_nocache(offset, size); } +#define ioremap ioremap extern void iounmap(volatile void __iomem *addr); +#define iounmap iounmap extern void set_iounmap_nonlazy(void); @@ -203,53 +218,6 @@ extern void set_iounmap_nonlazy(void); #include <asm-generic/iomap.h> /* - * Convert a virtual cached pointer to an uncached pointer - */ -#define xlate_dev_kmem_ptr(p) p - -/** - * memset_io Set a range of I/O memory to a constant value - * @addr: The beginning of the I/O-memory range to set - * @val: The value to set the memory to - * @count: The number of bytes to set - * - * Set a range of I/O memory to a given value. - */ -static inline void -memset_io(volatile void __iomem *addr, unsigned char val, size_t count) -{ - memset((void __force *)addr, val, count); -} - -/** - * memcpy_fromio Copy a block of data from I/O memory - * @dst: The (RAM) destination for the copy - * @src: The (I/O memory) source for the data - * @count: The number of bytes to copy - * - * Copy a block of data from I/O memory. - */ -static inline void -memcpy_fromio(void *dst, const volatile void __iomem *src, size_t count) -{ - memcpy(dst, (const void __force *)src, count); -} - -/** - * memcpy_toio Copy a block of data into I/O memory - * @dst: The (I/O memory) destination for the copy - * @src: The (RAM) source for the data - * @count: The number of bytes to copy - * - * Copy a block of data to I/O memory. - */ -static inline void -memcpy_toio(volatile void __iomem *dst, const void *src, size_t count) -{ - memcpy((void __force *)dst, src, count); -} - -/* * ISA space is 'always mapped' on a typical x86 system, no need to * explicitly ioremap() it. The fact that the ISA IO space is mapped * to PAGE_OFFSET is pure coincidence - it does not mean ISA values @@ -341,13 +309,38 @@ BUILDIO(b, b, char) BUILDIO(w, w, short) BUILDIO(l, , int) +#define inb inb +#define inw inw +#define inl inl +#define inb_p inb_p +#define inw_p inw_p +#define inl_p inl_p +#define insb insb +#define insw insw +#define insl insl + +#define outb outb +#define outw outw +#define outl outl +#define outb_p outb_p +#define outw_p outw_p +#define outl_p outl_p +#define outsb outsb +#define outsw outsw +#define outsl outsl + extern void *xlate_dev_mem_ptr(phys_addr_t phys); extern void unxlate_dev_mem_ptr(phys_addr_t phys, void *addr); +#define xlate_dev_mem_ptr xlate_dev_mem_ptr +#define unxlate_dev_mem_ptr unxlate_dev_mem_ptr + extern int ioremap_change_attr(unsigned long vaddr, unsigned long size, enum page_cache_mode pcm); extern void __iomem *ioremap_wc(resource_size_t offset, unsigned long size); +#define ioremap_wc ioremap_wc extern void __iomem *ioremap_wt(resource_size_t offset, unsigned long size); +#define ioremap_wt ioremap_wt extern bool is_early_ioremap_ptep(pte_t *ptep); @@ -365,6 +358,9 @@ extern bool xen_biovec_phys_mergeable(const struct bio_vec *vec1, #define IO_SPACE_LIMIT 0xffff +#include <asm-generic/io.h> +#undef PCI_IOBASE + #ifdef CONFIG_MTRR extern int __must_check arch_phys_wc_index(int handle); #define arch_phys_wc_index arch_phys_wc_index @@ -381,4 +377,12 @@ extern void arch_io_free_memtype_wc(resource_size_t start, resource_size_t size) #define arch_io_reserve_memtype_wc arch_io_reserve_memtype_wc #endif +extern bool arch_memremap_can_ram_remap(resource_size_t offset, + unsigned long size, + unsigned long flags); +#define arch_memremap_can_ram_remap arch_memremap_can_ram_remap + +extern bool phys_mem_access_encrypted(unsigned long phys_addr, + unsigned long size); + #endif /* _ASM_X86_IO_H */ |