cregit-Linux how code gets into the kernel

Release 4.14 arch/sparc/include/asm/upa.h

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _SPARC64_UPA_H

#define _SPARC64_UPA_H

#include <asm/asi.h>

/* UPA level registers and defines. */

/* UPA Config Register */

#define UPA_CONFIG_RESV		0xffffffffc0000000 
/* Reserved.                    */

#define UPA_CONFIG_PCON		0x000000003fc00000 
/* Depth of various sys queues. */

#define UPA_CONFIG_MID		0x00000000003e0000 
/* Module ID.                   */

#define UPA_CONFIG_PCAP		0x000000000001ffff 
/* Port Capabilities.           */

/* UPA Port ID Register */

#define UPA_PORTID_FNP		0xff00000000000000 
/* Hardcoded to 0xfc on ultra.  */

#define UPA_PORTID_RESV		0x00fffff800000000 
/* Reserved.                    */

#define UPA_PORTID_ECCVALID     0x0000000400000000 
/* Zero if mod can generate ECC */

#define UPA_PORTID_ONEREAD      0x0000000200000000 
/* Set if mod generates P_RASB  */

#define UPA_PORTID_PINTRDQ      0x0000000180000000 
/* # outstanding P_INT_REQ's    */

#define UPA_PORTID_PREQDQ       0x000000007e000000 
/* slave-wr's to mod supported  */

#define UPA_PORTID_PREQRD       0x0000000001e00000 
/* # incoming P_REQ's supported */

#define UPA_PORTID_UPACAP       0x00000000001f0000 
/* UPA capabilities of mod      */

#define UPA_PORTID_ID           0x000000000000ffff 
/* Module Identification bits  */

/* UPA I/O space accessors */
#if defined(__KERNEL__) && !defined(__ASSEMBLY__)

static inline unsigned char _upa_readb(unsigned long addr) { unsigned char ret; __asm__ __volatile__("lduba\t[%1] %2, %0\t/* upa_readb */" : "=r" (ret) : "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E)); return ret; }

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Sam Ravnborg22100.00%1100.00%
Total22100.00%1100.00%


static inline unsigned short _upa_readw(unsigned long addr) { unsigned short ret; __asm__ __volatile__("lduha\t[%1] %2, %0\t/* upa_readw */" : "=r" (ret) : "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E)); return ret; }

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Sam Ravnborg22100.00%1100.00%
Total22100.00%1100.00%


static inline unsigned int _upa_readl(unsigned long addr) { unsigned int ret; __asm__ __volatile__("lduwa\t[%1] %2, %0\t/* upa_readl */" : "=r" (ret) : "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E)); return ret; }

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Sam Ravnborg22100.00%1100.00%
Total22100.00%1100.00%


static inline unsigned long _upa_readq(unsigned long addr) { unsigned long ret; __asm__ __volatile__("ldxa\t[%1] %2, %0\t/* upa_readq */" : "=r" (ret) : "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E)); return ret; }

Contributors

PersonTokensPropCommitsCommitProp
Sam Ravnborg22100.00%1100.00%
Total22100.00%1100.00%


static inline void _upa_writeb(unsigned char b, unsigned long addr) { __asm__ __volatile__("stba\t%0, [%1] %2\t/* upa_writeb */" : /* no outputs */ : "r" (b), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E)); }

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PersonTokensPropCommitsCommitProp
Sam Ravnborg20100.00%1100.00%
Total20100.00%1100.00%


static inline void _upa_writew(unsigned short w, unsigned long addr) { __asm__ __volatile__("stha\t%0, [%1] %2\t/* upa_writew */" : /* no outputs */ : "r" (w), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E)); }

Contributors

PersonTokensPropCommitsCommitProp
Sam Ravnborg20100.00%1100.00%
Total20100.00%1100.00%


static inline void _upa_writel(unsigned int l, unsigned long addr) { __asm__ __volatile__("stwa\t%0, [%1] %2\t/* upa_writel */" : /* no outputs */ : "r" (l), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E)); }

Contributors

PersonTokensPropCommitsCommitProp
Sam Ravnborg20100.00%1100.00%
Total20100.00%1100.00%


static inline void _upa_writeq(unsigned long q, unsigned long addr) { __asm__ __volatile__("stxa\t%0, [%1] %2\t/* upa_writeq */" : /* no outputs */ : "r" (q), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E)); }

Contributors

PersonTokensPropCommitsCommitProp
Sam Ravnborg20100.00%1100.00%
Total20100.00%1100.00%

#define upa_readb(__addr) (_upa_readb((unsigned long)(__addr))) #define upa_readw(__addr) (_upa_readw((unsigned long)(__addr))) #define upa_readl(__addr) (_upa_readl((unsigned long)(__addr))) #define upa_readq(__addr) (_upa_readq((unsigned long)(__addr))) #define upa_writeb(__b, __addr) (_upa_writeb((__b), (unsigned long)(__addr))) #define upa_writew(__w, __addr) (_upa_writew((__w), (unsigned long)(__addr))) #define upa_writel(__l, __addr) (_upa_writel((__l), (unsigned long)(__addr))) #define upa_writeq(__q, __addr) (_upa_writeq((__q), (unsigned long)(__addr))) #endif /* __KERNEL__ && !__ASSEMBLY__ */ #endif /* !(_SPARC64_UPA_H) */

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Sam Ravnborg32899.70%150.00%
Greg Kroah-Hartman10.30%150.00%
Total329100.00%2100.00%
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