/* * 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> /* * 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 */Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| David Mosberger-Tang | 59 | 53.64% | 1 | 16.67% |
| Jesse Barnes | 46 | 41.82% | 2 | 33.33% |
| Jack Steiner | 3 | 2.73% | 1 | 16.67% |
| Russ Anderson | 1 | 0.91% | 1 | 16.67% |
| Michael Hayes | 1 | 0.91% | 1 | 16.67% |
| Total | 110 | 100.00% | 6 | 100.00% |