diff options
Diffstat (limited to 'drivers/misc/sgi-xp/xp.h')
| -rw-r--r-- | drivers/misc/sgi-xp/xp.h | 43 |
1 files changed, 2 insertions, 41 deletions
diff --git a/drivers/misc/sgi-xp/xp.h b/drivers/misc/sgi-xp/xp.h index 51087e11188..c42196a1a6b 100644 --- a/drivers/misc/sgi-xp/xp.h +++ b/drivers/misc/sgi-xp/xp.h @@ -17,7 +17,6 @@ #include <linux/hardirq.h> #include <linux/mutex.h> #include <asm/sn/types.h> -#include <asm/sn/bte.h> #ifdef CONFIG_IA64 #include <asm/sn/arch.h> #endif @@ -72,46 +71,6 @@ #define XP_NASID_MASK_WORDS ((XP_MAX_PHYSNODE_ID + 63) / 64) /* - * Wrapper for bte_copy() that should it return a failure status will retry - * the bte_copy() once in the hope that the failure was due to a temporary - * aberration (i.e., the link going down temporarily). - * - * src - physical address of the source of the transfer. - * vdst - virtual address of the destination of the transfer. - * len - number of bytes to transfer from source to destination. - * mode - see bte_copy() for definition. - * notification - see bte_copy() for definition. - * - * Note: xp_bte_copy() should never be called while holding a spinlock. - */ -static inline bte_result_t -xp_bte_copy(u64 src, u64 vdst, u64 len, u64 mode, void *notification) -{ - bte_result_t ret; - u64 pdst = ia64_tpa(vdst); - - /* - * Ensure that the physically mapped memory is contiguous. - * - * We do this by ensuring that the memory is from region 7 only. - * If the need should arise to use memory from one of the other - * regions, then modify the BUG_ON() statement to ensure that the - * memory from that region is always physically contiguous. - */ - BUG_ON(REGION_NUMBER(vdst) != RGN_KERNEL); - - ret = bte_copy(src, pdst, len, mode, notification); - if ((ret != BTE_SUCCESS) && BTE_ERROR_RETRY(ret)) { - if (!in_interrupt()) - cond_resched(); - - ret = bte_copy(src, pdst, len, mode, notification); - } - - return ret; -} - -/* * XPC establishes channel connections between the local partition and any * other partition that is currently up. Over these channels, kernel-level * `users' can communicate with their counterparts on the other partitions. @@ -408,6 +367,8 @@ xpc_partid_to_nasids(short partid, void *nasids) extern short xp_max_npartitions; +extern enum xp_retval (*xp_remote_memcpy) (void *, const void *, size_t); + extern u64 xp_nofault_PIOR_target; extern int xp_nofault_PIOR(void *); extern int xp_error_PIOR(void); |