fs: use kmem_cache_zalloc instead
[pv_ops_mirror.git] / include / asm-sparc64 / upa.h
blob7ae09a22e4087ccda6aba2888ca68479f34f98f8
1 /* $Id: upa.h,v 1.3 1999/09/21 14:39:47 davem Exp $ */
2 #ifndef _SPARC64_UPA_H
3 #define _SPARC64_UPA_H
5 #include <asm/asi.h>
7 /* UPA level registers and defines. */
9 /* UPA Config Register */
10 #define UPA_CONFIG_RESV 0xffffffffc0000000 /* Reserved. */
11 #define UPA_CONFIG_PCON 0x000000003fc00000 /* Depth of various sys queues. */
12 #define UPA_CONFIG_MID 0x00000000003e0000 /* Module ID. */
13 #define UPA_CONFIG_PCAP 0x000000000001ffff /* Port Capabilities. */
15 /* UPA Port ID Register */
16 #define UPA_PORTID_FNP 0xff00000000000000 /* Hardcoded to 0xfc on ultra. */
17 #define UPA_PORTID_RESV 0x00fffff800000000 /* Reserved. */
18 #define UPA_PORTID_ECCVALID 0x0000000400000000 /* Zero if mod can generate ECC */
19 #define UPA_PORTID_ONEREAD 0x0000000200000000 /* Set if mod generates P_RASB */
20 #define UPA_PORTID_PINTRDQ 0x0000000180000000 /* # outstanding P_INT_REQ's */
21 #define UPA_PORTID_PREQDQ 0x000000007e000000 /* slave-wr's to mod supported */
22 #define UPA_PORTID_PREQRD 0x0000000001e00000 /* # incoming P_REQ's supported */
23 #define UPA_PORTID_UPACAP 0x00000000001f0000 /* UPA capabilities of mod */
24 #define UPA_PORTID_ID 0x000000000000ffff /* Module Identification bits */
26 /* UPA I/O space accessors */
27 #if defined(__KERNEL__) && !defined(__ASSEMBLY__)
28 static __inline__ unsigned char _upa_readb(unsigned long addr)
30 unsigned char ret;
32 __asm__ __volatile__("lduba\t[%1] %2, %0\t/* upa_readb */"
33 : "=r" (ret)
34 : "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E));
36 return ret;
39 static __inline__ unsigned short _upa_readw(unsigned long addr)
41 unsigned short ret;
43 __asm__ __volatile__("lduha\t[%1] %2, %0\t/* upa_readw */"
44 : "=r" (ret)
45 : "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E));
47 return ret;
50 static __inline__ unsigned int _upa_readl(unsigned long addr)
52 unsigned int ret;
54 __asm__ __volatile__("lduwa\t[%1] %2, %0\t/* upa_readl */"
55 : "=r" (ret)
56 : "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E));
58 return ret;
61 static __inline__ unsigned long _upa_readq(unsigned long addr)
63 unsigned long ret;
65 __asm__ __volatile__("ldxa\t[%1] %2, %0\t/* upa_readq */"
66 : "=r" (ret)
67 : "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E));
69 return ret;
72 static __inline__ void _upa_writeb(unsigned char b, unsigned long addr)
74 __asm__ __volatile__("stba\t%0, [%1] %2\t/* upa_writeb */"
75 : /* no outputs */
76 : "r" (b), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E));
79 static __inline__ void _upa_writew(unsigned short w, unsigned long addr)
81 __asm__ __volatile__("stha\t%0, [%1] %2\t/* upa_writew */"
82 : /* no outputs */
83 : "r" (w), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E));
86 static __inline__ void _upa_writel(unsigned int l, unsigned long addr)
88 __asm__ __volatile__("stwa\t%0, [%1] %2\t/* upa_writel */"
89 : /* no outputs */
90 : "r" (l), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E));
93 static __inline__ void _upa_writeq(unsigned long q, unsigned long addr)
95 __asm__ __volatile__("stxa\t%0, [%1] %2\t/* upa_writeq */"
96 : /* no outputs */
97 : "r" (q), "r" (addr), "i" (ASI_PHYS_BYPASS_EC_E));
100 #define upa_readb(__addr) (_upa_readb((unsigned long)(__addr)))
101 #define upa_readw(__addr) (_upa_readw((unsigned long)(__addr)))
102 #define upa_readl(__addr) (_upa_readl((unsigned long)(__addr)))
103 #define upa_readq(__addr) (_upa_readq((unsigned long)(__addr)))
104 #define upa_writeb(__b, __addr) (_upa_writeb((__b), (unsigned long)(__addr)))
105 #define upa_writew(__w, __addr) (_upa_writew((__w), (unsigned long)(__addr)))
106 #define upa_writel(__l, __addr) (_upa_writel((__l), (unsigned long)(__addr)))
107 #define upa_writeq(__q, __addr) (_upa_writeq((__q), (unsigned long)(__addr)))
108 #endif /* __KERNEL__ && !__ASSEMBLY__ */
110 #endif /* !(_SPARC64_UPA_H) */