/arch/mips/include/asm/sn/sn0/arch.h

http://github.com/mirrors/linux · C Header · 56 lines · 18 code · 10 blank · 28 comment · 0 complexity · 02bedad41d2d9fa1bbc533c28be0cdf7 MD5 · raw file 

    

  1. /*
    2. 

  2.  * This file is subject to the terms and conditions of the GNU General Public
    3. 

  3.  * License.  See the file "COPYING" in the main directory of this archive
    4. 

  4.  * for more details.
    5. 

  5.  *
    6. 

  6.  * SGI IP27 specific setup.
    7. 

  7.  *
    8. 

  8.  * Copyright (C) 1995 - 1997, 1999 Silcon Graphics, Inc.
    9. 

  9.  * Copyright (C) 1999 Ralf Baechle (ralf@gnu.org)
    10. 

  10.  */
    11. 

  11. #ifndef _ASM_SN_SN0_ARCH_H
    12. 

  12. #define _ASM_SN_SN0_ARCH_H
    13. 

  13. 

  14. 

  15. /*
    16. 

  16.  * MAXCPUS refers to the maximum number of CPUs in a single kernel.
    17. 

  17.  * This is not necessarily the same as MAXNODES * CPUS_PER_NODE
    18. 

  18.  */
    19. 

  19. #define MAXCPUS			(MAX_NUMNODES * CPUS_PER_NODE)
    20. 

  20. 

  21. /*
    22. 

  22.  * This is the maximum number of NASIDS that can be present in a system.
    23. 

  23.  * (Highest NASID plus one.)
    24. 

  24.  */
    25. 

  25. #define MAX_NASIDS		256
    26. 

  26. 

  27. /*
    28. 

  28.  * MAX_REGIONS refers to the maximum number of hardware partitioned regions.
    29. 

  29.  */
    30. 

  30. #define MAX_REGIONS		64
    31. 

  31. #define MAX_NONPREMIUM_REGIONS	16
    32. 

  32. #define MAX_PREMIUM_REGIONS	MAX_REGIONS
    33. 

  33. 

  34. /*
    35. 

  35.  * MAX_PARITIONS refers to the maximum number of logically defined
    36. 

  36.  * partitions the system can support.
    37. 

  37.  */
    38. 

  38. #define MAX_PARTITIONS		MAX_REGIONS
    39. 

  39. 

  40. #define NASID_MASK_BYTES	((MAX_NASIDS + 7) / 8)
    41. 

  41. 

  42. /*
    43. 

  43.  * Slot constants for SN0
    44. 

  44.  */
    45. 

  45. #ifdef CONFIG_SGI_SN_N_MODE
    46. 

  46. #define MAX_MEM_SLOTS	16			/* max slots per node */
    47. 

  47. #else /* !CONFIG_SGI_SN_N_MODE, assume CONFIG_SGI_SN_M_MODE */
    48. 

  48. #define MAX_MEM_SLOTS	32			/* max slots per node */
    49. 

  49. #endif /* CONFIG_SGI_SN_M_MODE */
    50. 

  50. 

  51. #define SLOT_SHIFT		(27)
    52. 

  52. #define SLOT_MIN_MEM_SIZE	(32*1024*1024)
    53. 

  53. 

  54. #define CPUS_PER_NODE		2	/* CPUs on a single hub */
    55. 

  55. 

  56. #endif /* _ASM_SN_SN0_ARCH_H */
    57.