diff options
Diffstat (limited to 'include/asm-ia64/sn/fetchop.h')
| -rw-r--r-- | include/asm-ia64/sn/fetchop.h | 42 |
1 files changed, 12 insertions, 30 deletions
diff --git a/include/asm-ia64/sn/fetchop.h b/include/asm-ia64/sn/fetchop.h index 53b7b4f3fbb472..9a5b9a06b5b143 100644 --- a/include/asm-ia64/sn/fetchop.h +++ b/include/asm-ia64/sn/fetchop.h @@ -4,7 +4,7 @@ * License. See the file "COPYING" in the main directory of this archive * for more details. * - * Copyright (c) 2001-2002 Silicon Graphics, Inc. All rights reserved. + * Copyright (c) 2001-2003 Silicon Graphics, Inc. All rights reserved. */ #ifndef _ASM_IA64_SN_FETCHOP_H @@ -39,28 +39,10 @@ #ifdef __KERNEL__ /* - * Initialize a FETCHOP line. The argument should point to the beginning - * of the line. - * SN1 - region mask is in word 0, data in word 1 - * SN2 - no region mask. Data in word 0 - */ -#ifdef CONFIG_IA64_SGI_SN1 -#define FETCHOP_INIT_LINE(p) *(p) = 0xffffffffffffffffUL -#elif CONFIG_IA64_SGI_SN2 -#define FETCHOP_INIT_LINE(p) -#endif - -/* - * Convert a region 7 (kaddr) address to the address of the fetchop variable + * Convert a region 6 (kaddr) address to the address of the fetchop variable */ #define FETCHOP_KADDR_TO_MSPEC_ADDR(kaddr) TO_MSPEC(kaddr) -/* - * Convert a page struct (page) address to the address of the first - * fetchop variable in the page - */ -#define FETCHOP_PAGE_TO_MSPEC_ADDR(page) FETCHOP_KADDR_TO_MSPEC_ADDR(__pa(page_address(page))) - /* * Each Atomic Memory Operation (AMO formerly known as fetchop) @@ -80,21 +62,21 @@ * inconsistency. */ typedef struct { - -#ifdef CONFIG_IA64_SGI_SN1 - u64 permissions; -#endif u64 variable; - -#ifdef CONFIG_IA64_SGI_SN1 - u64 unused[6]; -#else u64 unused[7]; -#endif - } AMO_t; +/* + * The following APIs are externalized to the kernel to allocate/free fetchop variables. + * fetchop_kalloc_one - Allocate/initialize 1 fetchop variable on the specified cnode. + * fetchop_kfree_one - Free a previously allocated fetchop variable + */ + +unsigned long fetchop_kalloc_one(int nid); +void fetchop_kfree_one(unsigned long maddr); + + #endif /* __KERNEL__ */ #endif /* _ASM_IA64_SN_FETCHOP_H */ |