usr/src/uts/sun4/sys/x_call.h

   1 /*
   2  * CDDL HEADER START
   3  *
   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License, Version 1.0 only
   6  * (the "License").  You may not use this file except in compliance
   7  * with the License.
   8  *
   9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
  10  * or http://www.opensolaris.org/os/licensing.
  11  * See the License for the specific language governing permissions
  12  * and limitations under the License.
  13  *
  14  * When distributing Covered Code, include this CDDL HEADER in each
  15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  16  * If applicable, add the following below this CDDL HEADER, with the
  17  * fields enclosed by brackets "[]" replaced with your own identifying
  18  * information: Portions Copyright [yyyy] [name of copyright owner]
  19  *
  20  * CDDL HEADER END
  21  */
  22 /*
  23  * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
  24  * Use is subject to license terms.
  25  */
  26
  27 #ifndef _SYS_X_CALL_H
  28 #define _SYS_X_CALL_H
  29
  30 #pragma ident   "%Z%%M% %I%     %E% SMI"
  31
  32 #ifdef  __cplusplus
  33 extern "C" {
  34 #endif
  35
  36 #define XCALL_PIL 13    /* prom uses 14, and error handling uses 15 */
  37
  38 #ifndef _ASM
  39
  40 #include <sys/cpuvar.h>
  41
  42 #if defined(_KERNEL)
  43
  44 #if defined(_MACHDEP)
  45 #define CPU_XCALL_READY(cpuid)                  \
  46         (CPU_IN_SET(cpu_ready_set, (cpuid)))
  47
  48 extern cpuset_t cpu_ready_set;  /* cpus ready for x-calls */
  49 #endif /* _MACHDEP */
  50
  51 /*
  52  * Cross-call function prototype.
  53  */
  54 typedef void xcfunc_t(uint64_t, uint64_t);
  55
  56 /*
  57  * Cross-call routines.
  58  */
  59 extern void xt_one(int, xcfunc_t *, uint64_t, uint64_t);
  60 extern void xt_one_unchecked(int, xcfunc_t *, uint64_t, uint64_t);
  61 extern void xt_all(xcfunc_t *, uint64_t, uint64_t);
  62 extern void xc_one(int, xcfunc_t *, uint64_t, uint64_t);
  63 extern void xc_init(void);
  64 extern void xc_all(xcfunc_t *, uint64_t, uint64_t);
  65 extern void xt_sync_tl1(uint64_t *);
  66 extern void idle_stop_xcall(void);
  67
  68 #if defined(_MACHDEP)
  69 extern void xt_some(cpuset_t, xcfunc_t *, uint64_t, uint64_t);
  70 extern void xt_sync(cpuset_t);
  71 extern void xc_attention(cpuset_t);
  72 extern void xc_dismissed(cpuset_t);
  73 extern void xc_some(cpuset_t, xcfunc_t *, uint64_t, uint64_t);
  74 #endif
  75
  76 #endif  /* _KERNEL */
  77
  78 #endif  /* !_ASM */
  79
  80 #ifdef  __cplusplus
  81 }
  82 #endif
  83
  84 #endif  /* _SYS_X_CALL_H */