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kernel/linux-rt-4.4.41/arch/ia64/include/asm/sn/sn_feature_sets.h 1.61 KB
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  #ifndef _ASM_IA64_SN_FEATURE_SETS_H
  #define _ASM_IA64_SN_FEATURE_SETS_H
  
  /*
   * SN PROM Features
   *
   * 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) 2005-2006 Silicon Graphics, Inc.  All rights reserved.
   */
  
  
  /* --------------------- PROM Features -----------------------------*/
  extern int sn_prom_feature_available(int id);
  
  #define MAX_PROM_FEATURE_SETS			2
  
  /*
   * The following defines features that may or may not be supported by the
   * current PROM. The OS uses sn_prom_feature_available(feature) to test for
   * the presence of a PROM feature. Down rev (old) PROMs will always test
   * "false" for new features.
   *
   * Use:
   * 		if (sn_prom_feature_available(PRF_XXX))
   * 			...
   */
  
  #define PRF_PAL_CACHE_FLUSH_SAFE	0
  #define PRF_DEVICE_FLUSH_LIST		1
  #define PRF_HOTPLUG_SUPPORT		2
  #define PRF_CPU_DISABLE_SUPPORT		3
  
  /* --------------------- OS Features -------------------------------*/
  
  /*
   * The following defines OS features that are optionally present in
   * the operating system.
   * During boot, PROM is notified of these features via a series of calls:
   *
   * 		ia64_sn_set_os_feature(feature1);
   *
   * Once enabled, a feature cannot be disabled.
   *
   * By default, features are disabled unless explicitly enabled.
   *
   * These defines must be kept in sync with the corresponding
   * PROM definitions in feature_sets.h.
   */
  #define  OSF_MCA_SLV_TO_OS_INIT_SLV	0
  #define  OSF_FEAT_LOG_SBES		1
  #define  OSF_ACPI_ENABLE		2
  #define  OSF_PCISEGMENT_ENABLE		3
  
  
  #endif /* _ASM_IA64_SN_FEATURE_SETS_H */