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 * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
23 * Use is subject to license terms.
24 */
25
26#ifndef _SYS_KDI_MACHIMPL_H
27#define	_SYS_KDI_MACHIMPL_H
28
29#pragma ident	"%Z%%M%	%I%	%E% SMI"
30
31#include <sys/modctl.h>
32#include <sys/types.h>
33
34#ifdef __cplusplus
35extern "C" {
36#endif
37
38/* Return codes from the kdi_xc_one op */
39#define	KDI_XC_RES_ERR		-1
40#define	KDI_XC_RES_OK		0
41#define	KDI_XC_RES_BUSY		1
42#define	KDI_XC_RES_NACK		2
43
44struct regs;
45
46typedef struct kdi_mach {
47	/*
48	 * Iterates through the CPUs in the ready set, invoking the
49	 * caller-provided callback with the CPU ID of each one.
50	 */
51	int (*mkdi_cpu_ready_iter)(int (*)(int, void *), void *);
52
53	/*
54	 * Send a two-argument cross-call to a specific CPU.
55	 */
56	int (*mkdi_xc_one)(int, void (*)(uintptr_t, uintptr_t),
57	    uintptr_t, uintptr_t);
58
59	/*
60	 * Used by the state-saving code, at TL=1, to determine the current
61	 * CPU's ID.  This routine may only use registers %g1 and %g2, and
62	 * must return the result in %g1.  %g7 will contain the return address.
63	 */
64	void (*mkdi_cpu_index)(void);
65
66	/*
67	 * Used by the trap handlers to retrieve TTEs for virtual addresses.
68	 * This routine may use %g1-g6, and must return the result in %g1.  %g7
69	 * will contain the return address.
70	 */
71	void (*mkdi_trap_vatotte)(void);
72
73	void (*mkdi_tickwait)(clock_t);
74	int (*mkdi_get_stick)(uint64_t *);
75
76	void (*mkdi_kernpanic)(struct regs *, uint_t);
77
78	void (*mkdi_cpu_init)(int, int, int, int);
79} kdi_mach_t;
80
81#define	mkdi_cpu_ready_iter	kdi_mach.mkdi_cpu_ready_iter
82#define	mkdi_xc_one		kdi_mach.mkdi_xc_one
83#define	mkdi_cpu_index		kdi_mach.mkdi_cpu_index
84#define	mkdi_trap_vatotte	kdi_mach.mkdi_trap_vatotte
85#define	mkdi_tickwait		kdi_mach.mkdi_tickwait
86#define	mkdi_get_stick		kdi_mach.mkdi_get_stick
87#define	mkdi_kernpanic		kdi_mach.mkdi_kernpanic
88#define	mkdi_cpu_init		kdi_mach.mkdi_cpu_init
89
90extern void kdi_cpu_index(void);
91extern void kdi_trap_vatotte(void);
92
93extern int kdi_watchdog_disable(void);
94extern void kdi_watchdog_restore(void);
95
96extern void kdi_tlb_page_lock(caddr_t, int);
97extern void kdi_tlb_page_unlock(caddr_t, int);
98
99extern void kmdb_enter(void);
100
101#ifdef __cplusplus
102}
103#endif
104
105#endif /* _SYS_KDI_MACHIMPL_H */
106