| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Matthew Wilcox | 907 | 63.92% | 5 | 23.81% |
| Kyle McMartin | 231 | 16.28% | 3 | 14.29% |
| Linus Torvalds (pre-git) | 98 | 6.91% | 1 | 4.76% |
| Logan Gunthorpe | 62 | 4.37% | 1 | 4.76% |
| Will Deacon | 36 | 2.54% | 1 | 4.76% |
| Helge Deller | 30 | 2.11% | 3 | 14.29% |
| Andrew Morton | 28 | 1.97% | 1 | 4.76% |
| Jes Sorensen | 16 | 1.13% | 1 | 4.76% |
| Guenter Roeck | 6 | 0.42% | 1 | 4.76% |
| Christoph Hellwig | 3 | 0.21% | 2 | 9.52% |
| Greg Kroah-Hartman | 1 | 0.07% | 1 | 4.76% |
| Mike Rapoport | 1 | 0.07% | 1 | 4.76% |
| Total | 1419 | 21 |
/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_IO_H #define _ASM_IO_H #include <linux/types.h> #include <linux/pgtable.h> #define virt_to_phys(a) ((unsigned long)__pa(a)) #define phys_to_virt(a) __va(a) #define virt_to_bus virt_to_phys #define bus_to_virt phys_to_virt static inline unsigned long isa_bus_to_virt(unsigned long addr) { BUG(); return 0; } static inline unsigned long isa_virt_to_bus(void *addr) { BUG(); return 0; } /* * Memory mapped I/O * * readX()/writeX() do byteswapping and take an ioremapped address * __raw_readX()/__raw_writeX() don't byteswap and take an ioremapped address. * gsc_*() don't byteswap and operate on physical addresses; * eg dev->hpa or 0xfee00000. */ static inline unsigned char gsc_readb(unsigned long addr) { long flags; unsigned char ret; __asm__ __volatile__( " rsm %3,%0\n" " ldbx 0(%2),%1\n" " mtsm %0\n" : "=&r" (flags), "=r" (ret) : "r" (addr), "i" (PSW_SM_D) ); return ret; } static inline unsigned short gsc_readw(unsigned long addr) { long flags; unsigned short ret; __asm__ __volatile__( " rsm %3,%0\n" " ldhx 0(%2),%1\n" " mtsm %0\n" : "=&r" (flags), "=r" (ret) : "r" (addr), "i" (PSW_SM_D) ); return ret; } static inline unsigned int gsc_readl(unsigned long addr) { u32 ret; __asm__ __volatile__( " ldwax 0(%1),%0\n" : "=r" (ret) : "r" (addr) ); return ret; } static inline unsigned long long gsc_readq(unsigned long addr) { unsigned long long ret; #ifdef CONFIG_64BIT __asm__ __volatile__( " ldda 0(%1),%0\n" : "=r" (ret) : "r" (addr) ); #else /* two reads may have side effects.. */ ret = ((u64) gsc_readl(addr)) << 32; ret |= gsc_readl(addr+4); #endif return ret; } static inline void gsc_writeb(unsigned char val, unsigned long addr) { long flags; __asm__ __volatile__( " rsm %3,%0\n" " stbs %1,0(%2)\n" " mtsm %0\n" : "=&r" (flags) : "r" (val), "r" (addr), "i" (PSW_SM_D) ); } static inline void gsc_writew(unsigned short val, unsigned long addr) { long flags; __asm__ __volatile__( " rsm %3,%0\n" " sths %1,0(%2)\n" " mtsm %0\n" : "=&r" (flags) : "r" (val), "r" (addr), "i" (PSW_SM_D) ); } static inline void gsc_writel(unsigned int val, unsigned long addr) { __asm__ __volatile__( " stwas %0,0(%1)\n" : : "r" (val), "r" (addr) ); } static inline void gsc_writeq(unsigned long long val, unsigned long addr) { #ifdef CONFIG_64BIT __asm__ __volatile__( " stda %0,0(%1)\n" : : "r" (val), "r" (addr) ); #else /* two writes may have side effects.. */ gsc_writel(val >> 32, addr); gsc_writel(val, addr+4); #endif } /* * The standard PCI ioremap interfaces */ void __iomem *ioremap(unsigned long offset, unsigned long size); #define ioremap_wc ioremap #define ioremap_uc ioremap extern void iounmap(const volatile void __iomem *addr); static inline unsigned char __raw_readb(const volatile void __iomem *addr) { return (*(volatile unsigned char __force *) (addr)); } static inline unsigned short __raw_readw(const volatile void __iomem *addr) { return *(volatile unsigned short __force *) addr; } static inline unsigned int __raw_readl(const volatile void __iomem *addr) { return *(volatile unsigned int __force *) addr; } static inline unsigned long long __raw_readq(const volatile void __iomem *addr) { return *(volatile unsigned long long __force *) addr; } static inline void __raw_writeb(unsigned char b, volatile void __iomem *addr) { *(volatile unsigned char __force *) addr = b; } static inline void __raw_writew(unsigned short b, volatile void __iomem *addr) { *(volatile unsigned short __force *) addr = b; } static inline void __raw_writel(unsigned int b, volatile void __iomem *addr) { *(volatile unsigned int __force *) addr = b; } static inline void __raw_writeq(unsigned long long b, volatile void __iomem *addr) { *(volatile unsigned long long __force *) addr = b; } static inline unsigned char readb(const volatile void __iomem *addr) { return __raw_readb(addr); } static inline unsigned short readw(const volatile void __iomem *addr) { return le16_to_cpu((__le16 __force) __raw_readw(addr)); } static inline unsigned int readl(const volatile void __iomem *addr) { return le32_to_cpu((__le32 __force) __raw_readl(addr)); } static inline unsigned long long readq(const volatile void __iomem *addr) { return le64_to_cpu((__le64 __force) __raw_readq(addr)); } static inline void writeb(unsigned char b, volatile void __iomem *addr) { __raw_writeb(b, addr); } static inline void writew(unsigned short w, volatile void __iomem *addr) { __raw_writew((__u16 __force) cpu_to_le16(w), addr); } static inline void writel(unsigned int l, volatile void __iomem *addr) { __raw_writel((__u32 __force) cpu_to_le32(l), addr); } static inline void writeq(unsigned long long q, volatile void __iomem *addr) { __raw_writeq((__u64 __force) cpu_to_le64(q), addr); } #define readb readb #define readw readw #define readl readl #define readq readq #define writeb writeb #define writew writew #define writel writel #define writeq writeq #define readb_relaxed(addr) readb(addr) #define readw_relaxed(addr) readw(addr) #define readl_relaxed(addr) readl(addr) #define readq_relaxed(addr) readq(addr) #define writeb_relaxed(b, addr) writeb(b, addr) #define writew_relaxed(w, addr) writew(w, addr) #define writel_relaxed(l, addr) writel(l, addr) #define writeq_relaxed(q, addr) writeq(q, addr) void memset_io(volatile void __iomem *addr, unsigned char val, int count); void memcpy_fromio(void *dst, const volatile void __iomem *src, int count); void memcpy_toio(volatile void __iomem *dst, const void *src, int count); /* Port-space IO */ #define inb_p inb #define inw_p inw #define inl_p inl #define outb_p outb #define outw_p outw #define outl_p outl extern unsigned char eisa_in8(unsigned short port); extern unsigned short eisa_in16(unsigned short port); extern unsigned int eisa_in32(unsigned short port); extern void eisa_out8(unsigned char data, unsigned short port); extern void eisa_out16(unsigned short data, unsigned short port); extern void eisa_out32(unsigned int data, unsigned short port); #if defined(CONFIG_PCI) extern unsigned char inb(int addr); extern unsigned short inw(int addr); extern unsigned int inl(int addr); extern void outb(unsigned char b, int addr); extern void outw(unsigned short b, int addr); extern void outl(unsigned int b, int addr); #elif defined(CONFIG_EISA) #define inb eisa_in8 #define inw eisa_in16 #define inl eisa_in32 #define outb eisa_out8 #define outw eisa_out16 #define outl eisa_out32 #else static inline char inb(unsigned long addr) { BUG(); return -1; } static inline short inw(unsigned long addr) { BUG(); return -1; } static inline int inl(unsigned long addr) { BUG(); return -1; } #define outb(x, y) BUG() #define outw(x, y) BUG() #define outl(x, y) BUG() #endif /* * String versions of in/out ops: */ extern void insb (unsigned long port, void *dst, unsigned long count); extern void insw (unsigned long port, void *dst, unsigned long count); extern void insl (unsigned long port, void *dst, unsigned long count); extern void outsb (unsigned long port, const void *src, unsigned long count); extern void outsw (unsigned long port, const void *src, unsigned long count); extern void outsl (unsigned long port, const void *src, unsigned long count); /* IO Port space is : BBiiii where BB is HBA number. */ #define IO_SPACE_LIMIT 0x00ffffff /* PA machines have an MM I/O space from 0xf0000000-0xffffffff in 32 * bit mode and from 0xfffffffff0000000-0xfffffffffffffff in 64 bit * mode (essentially just sign extending. This macro takes in a 32 * bit I/O address (still with the leading f) and outputs the correct * value for either 32 or 64 bit mode */ #define F_EXTEND(x) ((unsigned long)((x) | (0xffffffff00000000ULL))) #define ioread64 ioread64 #define ioread64be ioread64be #define iowrite64 iowrite64 #define iowrite64be iowrite64be extern u64 ioread64(void __iomem *addr); extern u64 ioread64be(void __iomem *addr); extern void iowrite64(u64 val, void __iomem *addr); extern void iowrite64be(u64 val, void __iomem *addr); #include <asm-generic/iomap.h> /* * Convert a physical pointer to a virtual kernel pointer for /dev/mem * access */ #define xlate_dev_mem_ptr(p) __va(p) /* * Convert a virtual cached pointer to an uncached pointer */ #define xlate_dev_kmem_ptr(p) p #endif
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