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/
usr
/
src
/
linux-headers-6.8.0-36-generic
/
arch
/
sparc
/
include
/
asm
/ [
drwxr-xr-x
]
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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; } 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; } 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; } 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; } 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)); } 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)); } 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)); } 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)); } #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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