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 5ae115bc7Smrj * Common Development and Distribution License (the "License"). 6ae115bc7Smrj * 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 */ 21ae115bc7Smrj 227c478bd9Sstevel@tonic-gate /* 23*f34a7178SJoe Bonasera * Copyright 2009 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 #ifdef __cplusplus 317c478bd9Sstevel@tonic-gate extern "C" { 327c478bd9Sstevel@tonic-gate #endif 337c478bd9Sstevel@tonic-gate 347c478bd9Sstevel@tonic-gate #ifndef _ASM 357c478bd9Sstevel@tonic-gate 36*f34a7178SJoe Bonasera typedef uintptr_t xc_arg_t; 377c478bd9Sstevel@tonic-gate typedef int (*xc_func_t)(xc_arg_t, xc_arg_t, xc_arg_t); 387c478bd9Sstevel@tonic-gate 39*f34a7178SJoe Bonasera /* 40*f34a7178SJoe Bonasera * One of these is stored in each CPU's machcpu data, plus one extra for 41*f34a7178SJoe Bonasera * priority (ie panic) messages 42*f34a7178SJoe Bonasera */ 43*f34a7178SJoe Bonasera typedef struct xc_data { 44*f34a7178SJoe Bonasera xc_func_t xc_func; 45*f34a7178SJoe Bonasera xc_arg_t xc_a1; 46*f34a7178SJoe Bonasera xc_arg_t xc_a2; 47*f34a7178SJoe Bonasera xc_arg_t xc_a3; 48*f34a7178SJoe Bonasera } xc_data_t; 497c478bd9Sstevel@tonic-gate 50*f34a7178SJoe Bonasera /* 51*f34a7178SJoe Bonasera * This is kept as small as possible, since for N CPUs we need N * N of them. 52*f34a7178SJoe Bonasera */ 53*f34a7178SJoe Bonasera typedef struct xc_msg { 54*f34a7178SJoe Bonasera uint8_t xc_command; 55*f34a7178SJoe Bonasera #ifdef __amd64 56*f34a7178SJoe Bonasera uint16_t xc_master; 57*f34a7178SJoe Bonasera uint16_t xc_slave; 58*f34a7178SJoe Bonasera #else 59*f34a7178SJoe Bonasera uint8_t xc_master; 60*f34a7178SJoe Bonasera uint8_t xc_slave; 61ae115bc7Smrj #endif 62*f34a7178SJoe Bonasera struct xc_msg *xc_next; 63*f34a7178SJoe Bonasera } xc_msg_t; 64ae115bc7Smrj 657c478bd9Sstevel@tonic-gate /* 667c478bd9Sstevel@tonic-gate * Cross-call routines. 677c478bd9Sstevel@tonic-gate */ 687c478bd9Sstevel@tonic-gate #if defined(_KERNEL) 697c478bd9Sstevel@tonic-gate 70*f34a7178SJoe Bonasera extern void xc_init_cpu(struct cpu *); 717c478bd9Sstevel@tonic-gate extern uint_t xc_serv(caddr_t, caddr_t); 727c478bd9Sstevel@tonic-gate 73*f34a7178SJoe Bonasera #define CPUSET2BV(set) ((ulong_t *)(void *)&(set)) 74*f34a7178SJoe Bonasera extern void xc_call(xc_arg_t, xc_arg_t, xc_arg_t, ulong_t *, xc_func_t); 75*f34a7178SJoe Bonasera extern void xc_call_nowait(xc_arg_t, xc_arg_t, xc_arg_t, ulong_t *, 76*f34a7178SJoe Bonasera xc_func_t); 77*f34a7178SJoe Bonasera extern void xc_sync(xc_arg_t, xc_arg_t, xc_arg_t, ulong_t *, xc_func_t); 78*f34a7178SJoe Bonasera extern void xc_priority(xc_arg_t, xc_arg_t, xc_arg_t, ulong_t *, xc_func_t); 79ae115bc7Smrj 807c478bd9Sstevel@tonic-gate #endif /* _KERNEL */ 817c478bd9Sstevel@tonic-gate 827c478bd9Sstevel@tonic-gate #endif /* !_ASM */ 837c478bd9Sstevel@tonic-gate 847c478bd9Sstevel@tonic-gate #ifdef __cplusplus 857c478bd9Sstevel@tonic-gate } 867c478bd9Sstevel@tonic-gate #endif 877c478bd9Sstevel@tonic-gate 887c478bd9Sstevel@tonic-gate #endif /* _SYS_X_CALL_H */ 89