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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2009 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
* Copyright 2018 Joyent, Inc.
*/
#ifndef _SYS_X_CALL_H
#define _SYS_X_CALL_H
#ifdef __cplusplus
extern "C" {
#endif
#ifndef _ASM
#define XC_MSG_FREE (0) /* msg in xc_free queue */
#define XC_MSG_ASYNC (1) /* msg in slave xc_msgbox */
#define XC_MSG_CALL (2) /* msg in slave xc_msgbox */
#define XC_MSG_SYNC (3) /* msg in slave xc_msgbox */
#define XC_MSG_WAITING (4) /* msg in master xc_msgbox or xc_waiters */
#define XC_MSG_RELEASED (5) /* msg in slave xc_msgbox */
#define XC_MSG_DONE (6) /* msg in master xc_msgbox */
typedef uintptr_t xc_arg_t;
typedef int (*xc_func_t)(xc_arg_t, xc_arg_t, xc_arg_t);
/*
* One of these is stored in each CPU's machcpu data, plus one extra for
* priority (ie panic) messages
*/
typedef struct xc_data {
xc_func_t xc_func;
xc_arg_t xc_a1;
xc_arg_t xc_a2;
xc_arg_t xc_a3;
} xc_data_t;
/*
* This is kept as small as possible, since for N CPUs we need N * N of them.
*/
typedef struct xc_msg {
uint8_t xc_command;
uint16_t xc_master;
uint16_t xc_slave;
struct xc_msg *xc_next;
} xc_msg_t;
/*
* Cross-call routines.
*/
#if defined(_KERNEL)
extern void xc_init_cpu(struct cpu *);
extern void xc_fini_cpu(struct cpu *);
extern int xc_flush_cpu(struct cpu *);
extern uint_t xc_serv(caddr_t, caddr_t);
#define CPUSET2BV(set) ((ulong_t *)(void *)&(set))
extern void xc_call(xc_arg_t, xc_arg_t, xc_arg_t, ulong_t *, xc_func_t);
extern void xc_call_nowait(xc_arg_t, xc_arg_t, xc_arg_t, ulong_t *,
xc_func_t);
extern void xc_sync(xc_arg_t, xc_arg_t, xc_arg_t, ulong_t *, xc_func_t);
extern void xc_priority(xc_arg_t, xc_arg_t, xc_arg_t, ulong_t *, xc_func_t);
#endif /* _KERNEL */
#endif /* !_ASM */
#ifdef __cplusplus
}
#endif
#endif /* _SYS_X_CALL_H */
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