diff options
Diffstat (limited to 'include/asm-ia64/sn/sn_pio_sync.h')
| -rw-r--r-- | include/asm-ia64/sn/sn_pio_sync.h | 53 |
1 files changed, 0 insertions, 53 deletions
diff --git a/include/asm-ia64/sn/sn_pio_sync.h b/include/asm-ia64/sn/sn_pio_sync.h deleted file mode 100644 index 1fc590447eef5a..00000000000000 --- a/include/asm-ia64/sn/sn_pio_sync.h +++ /dev/null @@ -1,53 +0,0 @@ -/* - * - * This file is subject to the terms and conditions of the GNU General Public - * 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. - */ - - -#ifndef _ASM_IA64_SN_SN_PIO_WRITE_SYNC_H -#define _ASM_IA64_SN_SN_PIO_WRITE_SYNC_H - -#include <linux/config.h> -#ifdef CONFIG_IA64_SGI_SN2 -#include <asm/sn/sn_cpuid.h> -#include <asm/sn/sn2/addrs.h> -#include <asm/sn/sn2/shub_mmr.h> -#include <asm/sn/sn2/shub_mmr_t.h> - -/* - * This macro flushes all outstanding PIOs performed by this cpu to the - * intended destination SHUB. This in essence ensures that all PIO's - * issues by this cpu has landed at it's destination. - * - * This macro expects the caller: - * 1. The thread is locked. - * 2. All prior PIO operations has been fenced with __ia64_mf_a(). - * - * The expectation is that get_slice() will return either 0 or 2. - * When we have multi-core cpu's, the expectation is get_slice() will - * return either 0,1 or 2,3. - */ - -#define SN_PIO_WRITE_SYNC \ - { \ - volatile unsigned long sn_pio_writes_done; \ - do { \ - sn_pio_writes_done = (volatile unsigned long) (SH_PIO_WRITE_STATUS_0_WRITES_OK_MASK & HUB_L( (unsigned long *)GLOBAL_MMR_ADDR(get_nasid(), (get_slice() < 2) ? SH_PIO_WRITE_STATUS_0 : SH_PIO_WRITE_STATUS_1 ))); \ - } while (!sn_pio_writes_done); \ - __ia64_mf_a(); \ - } -#else - -/* - * For all ARCHITECTURE type, this is a NOOP. - */ - -#define SN_PIO_WRITE_SYNC - -#endif - -#endif /* _ASM_IA64_SN_SN_PIO_WRITE_SYNC_H */ |