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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 1c5108d44d8b..000000000000 --- a/include/asm-ia64/sn/pda.h +++ /dev/null | |||
@@ -1,69 +0,0 @@ | |||
1 | /* | ||
2 | * This file is subject to the terms and conditions of the GNU General Public | ||
3 | * License. See the file "COPYING" in the main directory of this archive | ||
4 | * for more details. | ||
5 | * | ||
6 | * Copyright (C) 1992 - 1997, 2000-2005 Silicon Graphics, Inc. All rights reserved. | ||
7 | */ | ||
8 | #ifndef _ASM_IA64_SN_PDA_H | ||
9 | #define _ASM_IA64_SN_PDA_H | ||
10 | |||
11 | #include <linux/cache.h> | ||
12 | #include <asm/percpu.h> | ||
13 | #include <asm/system.h> | ||
14 | |||
15 | |||
16 | /* | ||
17 | * CPU-specific data structure. | ||
18 | * | ||
19 | * One of these structures is allocated for each cpu of a NUMA system. | ||
20 | * | ||
21 | * This structure provides a convenient way of keeping together | ||
22 | * all SN per-cpu data structures. | ||
23 | */ | ||
24 | |||
25 | typedef struct pda_s { | ||
26 | |||
27 | /* | ||
28 | * Support for SN LEDs | ||
29 | */ | ||
30 | volatile short *led_address; | ||
31 | u8 led_state; | ||
32 | u8 hb_state; /* supports blinking heartbeat leds */ | ||
33 | unsigned int hb_count; | ||
34 | |||
35 | unsigned int idle_flag; | ||
36 | |||
37 | volatile unsigned long *bedrock_rev_id; | ||
38 | volatile unsigned long *pio_write_status_addr; | ||
39 | unsigned long pio_write_status_val; | ||
40 | volatile unsigned long *pio_shub_war_cam_addr; | ||
41 | |||
42 | unsigned long sn_in_service_ivecs[4]; | ||
43 | int sn_lb_int_war_ticks; | ||
44 | int sn_last_irq; | ||
45 | int sn_first_irq; | ||
46 | } pda_t; | ||
47 | |||
48 | |||
49 | #define CACHE_ALIGN(x) (((x) + SMP_CACHE_BYTES-1) & ~(SMP_CACHE_BYTES-1)) | ||
50 | |||
51 | /* | ||
52 | * PDA | ||
53 | * Per-cpu private data area for each cpu. The PDA is located immediately after | ||
54 | * the IA64 cpu_data area. A full page is allocated for the cp_data area for each | ||
55 | * cpu but only a small amout of the page is actually used. We put the SNIA PDA | ||
56 | * in the same page as the cpu_data area. Note that there is a check in the setup | ||
57 | * code to verify that we don't overflow the page. | ||
58 | * | ||
59 | * Seems like we should should cache-line align the pda so that any changes in the | ||
60 | * size of the cpu_data area don't change cache layout. Should we align to 32, 64, 128 | ||
61 | * or 512 boundary. Each has merits. For now, pick 128 but should be revisited later. | ||
62 | */ | ||
63 | DECLARE_PER_CPU(struct pda_s, pda_percpu); | ||
64 | |||
65 | #define pda (&__ia64_per_cpu_var(pda_percpu)) | ||
66 | |||
67 | #define pdacpu(cpu) (&per_cpu(pda_percpu, cpu)) | ||
68 | |||
69 | #endif /* _ASM_IA64_SN_PDA_H */ | ||