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 (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 22 /* 23 * Copyright 2009 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 #ifdef __cplusplus 31 extern "C" { 32 #endif 33 34 #ifndef _ASM 35 36 typedef uintptr_t xc_arg_t; 37 typedef int (*xc_func_t)(xc_arg_t, xc_arg_t, xc_arg_t); 38 39 /* 40 * One of these is stored in each CPU's machcpu data, plus one extra for 41 * priority (ie panic) messages 42 */ 43 typedef struct xc_data { 44 xc_func_t xc_func; 45 xc_arg_t xc_a1; 46 xc_arg_t xc_a2; 47 xc_arg_t xc_a3; 48 } xc_data_t; 49 50 /* 51 * This is kept as small as possible, since for N CPUs we need N * N of them. 52 */ 53 typedef struct xc_msg { 54 uint8_t xc_command; 55 #ifdef __amd64 56 uint16_t xc_master; 57 uint16_t xc_slave; 58 #else 59 uint8_t xc_master; 60 uint8_t xc_slave; 61 #endif 62 struct xc_msg *xc_next; 63 } xc_msg_t; 64 65 /* 66 * Cross-call routines. 67 */ 68 #if defined(_KERNEL) 69 70 extern void xc_init_cpu(struct cpu *); 71 extern void xc_fini_cpu(struct cpu *); 72 extern int xc_flush_cpu(struct cpu *); 73 extern uint_t xc_serv(caddr_t, caddr_t); 74 75 #define CPUSET2BV(set) ((ulong_t *)(void *)&(set)) 76 extern void xc_call(xc_arg_t, xc_arg_t, xc_arg_t, ulong_t *, xc_func_t); 77 extern void xc_call_nowait(xc_arg_t, xc_arg_t, xc_arg_t, ulong_t *, 78 xc_func_t); 79 extern void xc_sync(xc_arg_t, xc_arg_t, xc_arg_t, ulong_t *, xc_func_t); 80 extern void xc_priority(xc_arg_t, xc_arg_t, xc_arg_t, ulong_t *, xc_func_t); 81 82 #endif /* _KERNEL */ 83 84 #endif /* !_ASM */ 85 86 #ifdef __cplusplus 87 } 88 #endif 89 90 #endif /* _SYS_X_CALL_H */ 91