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
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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 * Copyright 2018 Joyent, Inc.
26 */
27
28 #ifndef _SYS_X_CALL_H
29 #define _SYS_X_CALL_H
30
31 #ifdef __cplusplus
32 extern "C" {
33 #endif
34
35 #ifndef _ASM
36
37 #define XC_MSG_FREE (0) /* msg in xc_free queue */
38 #define XC_MSG_ASYNC (1) /* msg in slave xc_msgbox */
39 #define XC_MSG_CALL (2) /* msg in slave xc_msgbox */
40 #define XC_MSG_SYNC (3) /* msg in slave xc_msgbox */
41 #define XC_MSG_WAITING (4) /* msg in master xc_msgbox or xc_waiters */
42 #define XC_MSG_RELEASED (5) /* msg in slave xc_msgbox */
43 #define XC_MSG_DONE (6) /* msg in master xc_msgbox */
44
45 typedef uintptr_t xc_arg_t;
46 typedef int (*xc_func_t)(xc_arg_t, xc_arg_t, xc_arg_t);
47
48 /*
49 * One of these is stored in each CPU's machcpu data, plus one extra for
50 * priority (ie panic) messages
51 */
52 typedef struct xc_data {
53 xc_func_t xc_func;
54 xc_arg_t xc_a1;
55 xc_arg_t xc_a2;
56 xc_arg_t xc_a3;
57 } xc_data_t;
58
59 /*
60 * This is kept as small as possible, since for N CPUs we need N * N of them.
61 */
62 typedef struct xc_msg {
63 uint8_t xc_command;
64 uint16_t xc_master;
65 uint16_t xc_slave;
66 struct xc_msg *xc_next;
67 } xc_msg_t;
68
69 /*
70 * Cross-call routines.
71 */
72 #if defined(_KERNEL)
73
74 extern void xc_init_cpu(struct cpu *);
75 extern void xc_fini_cpu(struct cpu *);
76 extern int xc_flush_cpu(struct cpu *);
77 extern uint_t xc_serv(caddr_t, caddr_t);
78
79 #define CPUSET2BV(set) ((ulong_t *)(void *)&(set))
80 extern void xc_call(xc_arg_t, xc_arg_t, xc_arg_t, ulong_t *, xc_func_t);
81 extern void xc_call_nowait(xc_arg_t, xc_arg_t, xc_arg_t, ulong_t *,
82 xc_func_t);
83 extern void xc_sync(xc_arg_t, xc_arg_t, xc_arg_t, ulong_t *, xc_func_t);
84 extern void xc_priority(xc_arg_t, xc_arg_t, xc_arg_t, ulong_t *, xc_func_t);
85
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