17c478bd9Sstevel@tonic-gate /* 27c478bd9Sstevel@tonic-gate * CDDL HEADER START 37c478bd9Sstevel@tonic-gate * 47c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5*ae115bc7Smrj * Common Development and Distribution License (the "License"). 6*ae115bc7Smrj * You may not use this file except in compliance with the License. 77c478bd9Sstevel@tonic-gate * 87c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 97c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 107c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions 117c478bd9Sstevel@tonic-gate * and limitations under the License. 127c478bd9Sstevel@tonic-gate * 137c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 147c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 157c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 167c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 177c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 187c478bd9Sstevel@tonic-gate * 197c478bd9Sstevel@tonic-gate * CDDL HEADER END 207c478bd9Sstevel@tonic-gate */ 21*ae115bc7Smrj 227c478bd9Sstevel@tonic-gate /* 23*ae115bc7Smrj * Copyright 2007 Sun Microsystems, Inc. All rights reserved. 247c478bd9Sstevel@tonic-gate * Use is subject to license terms. 257c478bd9Sstevel@tonic-gate */ 267c478bd9Sstevel@tonic-gate 277c478bd9Sstevel@tonic-gate #ifndef _SYS_X_CALL_H 287c478bd9Sstevel@tonic-gate #define _SYS_X_CALL_H 297c478bd9Sstevel@tonic-gate 307c478bd9Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 317c478bd9Sstevel@tonic-gate 327c478bd9Sstevel@tonic-gate /* 337c478bd9Sstevel@tonic-gate * For x86, we only have three cross call levels: 347c478bd9Sstevel@tonic-gate * a low, med and high. (see xc_levels.h) 357c478bd9Sstevel@tonic-gate */ 367c478bd9Sstevel@tonic-gate #include <sys/xc_levels.h> 377c478bd9Sstevel@tonic-gate 387c478bd9Sstevel@tonic-gate #ifdef __cplusplus 397c478bd9Sstevel@tonic-gate extern "C" { 407c478bd9Sstevel@tonic-gate #endif 417c478bd9Sstevel@tonic-gate 427c478bd9Sstevel@tonic-gate /* 437c478bd9Sstevel@tonic-gate * States of a cross-call session. (stored in xc_state field of the 447c478bd9Sstevel@tonic-gate * per-CPU area). 457c478bd9Sstevel@tonic-gate */ 467c478bd9Sstevel@tonic-gate #define XC_DONE 0 /* x-call session done */ 477c478bd9Sstevel@tonic-gate #define XC_HOLD 1 /* spin doing nothing */ 487c478bd9Sstevel@tonic-gate #define XC_SYNC_OP 2 /* perform a synchronous operation */ 497c478bd9Sstevel@tonic-gate #define XC_CALL_OP 3 /* perform a call operation */ 507c478bd9Sstevel@tonic-gate #define XC_WAIT 4 /* capture/release. callee has seen wait */ 517c478bd9Sstevel@tonic-gate 527c478bd9Sstevel@tonic-gate #ifndef _ASM 537c478bd9Sstevel@tonic-gate 547c478bd9Sstevel@tonic-gate #include <sys/cpuvar.h> 557c478bd9Sstevel@tonic-gate 567c478bd9Sstevel@tonic-gate typedef intptr_t xc_arg_t; 577c478bd9Sstevel@tonic-gate typedef int (*xc_func_t)(xc_arg_t, xc_arg_t, xc_arg_t); 587c478bd9Sstevel@tonic-gate 597c478bd9Sstevel@tonic-gate struct xc_mbox { 607c478bd9Sstevel@tonic-gate xc_func_t func; 617c478bd9Sstevel@tonic-gate xc_arg_t arg1; 627c478bd9Sstevel@tonic-gate xc_arg_t arg2; 637c478bd9Sstevel@tonic-gate xc_arg_t arg3; 647c478bd9Sstevel@tonic-gate cpuset_t set; 657c478bd9Sstevel@tonic-gate int saved_pri; 667c478bd9Sstevel@tonic-gate }; 677c478bd9Sstevel@tonic-gate 68*ae115bc7Smrj #if defined(_MACHDEP) 69*ae115bc7Smrj extern cpuset_t cpu_ready_set; 70*ae115bc7Smrj #endif 71*ae115bc7Smrj 727c478bd9Sstevel@tonic-gate /* 737c478bd9Sstevel@tonic-gate * Cross-call routines. 747c478bd9Sstevel@tonic-gate */ 757c478bd9Sstevel@tonic-gate #if defined(_KERNEL) 767c478bd9Sstevel@tonic-gate 777c478bd9Sstevel@tonic-gate extern void xc_init(void); 787c478bd9Sstevel@tonic-gate extern uint_t xc_serv(caddr_t, caddr_t); 797c478bd9Sstevel@tonic-gate extern void xc_call(xc_arg_t, xc_arg_t, xc_arg_t, int, cpuset_t, xc_func_t); 807c478bd9Sstevel@tonic-gate extern void xc_trycall(xc_arg_t, xc_arg_t, xc_arg_t, cpuset_t, xc_func_t); 817c478bd9Sstevel@tonic-gate extern void xc_sync(xc_arg_t, xc_arg_t, xc_arg_t, int, cpuset_t, xc_func_t); 827c478bd9Sstevel@tonic-gate extern void xc_capture_cpus(cpuset_t); 837c478bd9Sstevel@tonic-gate extern void xc_release_cpus(void); 847c478bd9Sstevel@tonic-gate 85*ae115bc7Smrj #if defined(TRAPTRACE) 86*ae115bc7Smrj 87*ae115bc7Smrj /* 88*ae115bc7Smrj * X-call tracing can be interleaved with trap tracing 89*ae115bc7Smrj */ 90*ae115bc7Smrj extern void xc_make_trap_trace_entry(uint8_t, int, ulong_t); 91*ae115bc7Smrj #define XC_TRACE(m, pri, arg) xc_make_trap_trace_entry(m, pri, arg) 92*ae115bc7Smrj 93*ae115bc7Smrj #else /* TRAPTRACE */ 94*ae115bc7Smrj 95*ae115bc7Smrj #define XC_TRACE(m, pri, arg) /* nothing */ 96*ae115bc7Smrj 97*ae115bc7Smrj #endif /* TRAPTRACE */ 98*ae115bc7Smrj 997c478bd9Sstevel@tonic-gate #endif /* _KERNEL */ 1007c478bd9Sstevel@tonic-gate 1017c478bd9Sstevel@tonic-gate #endif /* !_ASM */ 1027c478bd9Sstevel@tonic-gate 1037c478bd9Sstevel@tonic-gate #ifdef __cplusplus 1047c478bd9Sstevel@tonic-gate } 1057c478bd9Sstevel@tonic-gate #endif 1067c478bd9Sstevel@tonic-gate 1077c478bd9Sstevel@tonic-gate #endif /* _SYS_X_CALL_H */ 108