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Diffstat (limited to 'include/asm-ia64/sn/pda.h')
-rw-r--r-- | include/asm-ia64/sn/pda.h | 69 |
1 files changed, 0 insertions, 69 deletions
diff --git a/include/asm-ia64/sn/pda.h b/include/asm-ia64/sn/pda.h deleted file mode 100644 index 1c5108d..0000000 --- a/include/asm-ia64/sn/pda.h +++ /dev/null @@ -1,69 +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) 1992 - 1997, 2000-2005 Silicon Graphics, Inc. All rights reserved. - */ -#ifndef _ASM_IA64_SN_PDA_H -#define _ASM_IA64_SN_PDA_H - -#include <linux/cache.h> -#include <asm/percpu.h> -#include <asm/system.h> - - -/* - * CPU-specific data structure. - * - * One of these structures is allocated for each cpu of a NUMA system. - * - * This structure provides a convenient way of keeping together - * all SN per-cpu data structures. - */ - -typedef struct pda_s { - - /* - * Support for SN LEDs - */ - volatile short *led_address; - u8 led_state; - u8 hb_state; /* supports blinking heartbeat leds */ - unsigned int hb_count; - - unsigned int idle_flag; - - volatile unsigned long *bedrock_rev_id; - volatile unsigned long *pio_write_status_addr; - unsigned long pio_write_status_val; - volatile unsigned long *pio_shub_war_cam_addr; - - unsigned long sn_in_service_ivecs[4]; - int sn_lb_int_war_ticks; - int sn_last_irq; - int sn_first_irq; -} pda_t; - - -#define CACHE_ALIGN(x) (((x) + SMP_CACHE_BYTES-1) & ~(SMP_CACHE_BYTES-1)) - -/* - * PDA - * Per-cpu private data area for each cpu. The PDA is located immediately after - * the IA64 cpu_data area. A full page is allocated for the cp_data area for each - * cpu but only a small amout of the page is actually used. We put the SNIA PDA - * in the same page as the cpu_data area. Note that there is a check in the setup - * code to verify that we don't overflow the page. - * - * Seems like we should should cache-line align the pda so that any changes in the - * size of the cpu_data area don't change cache layout. Should we align to 32, 64, 128 - * or 512 boundary. Each has merits. For now, pick 128 but should be revisited later. - */ -DECLARE_PER_CPU(struct pda_s, pda_percpu); - -#define pda (&__ia64_per_cpu_var(pda_percpu)) - -#define pdacpu(cpu) (&per_cpu(pda_percpu, cpu)) - -#endif /* _ASM_IA64_SN_PDA_H */ |