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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 2007 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*
* Copyright 2018 Joyent, Inc.
*/
#ifndef _KMDB_DPI_IMPL_H
#define _KMDB_DPI_IMPL_H
#include <setjmp.h>
#ifdef __sparc
#include <sys/regset.h>
#endif /* __sparc */
#include <sys/types.h>
#include <kmdb/kmdb_auxv.h>
#include <kmdb/kmdb_dpi.h>
#include <mdb/mdb_kreg.h>
#include <mdb/mdb_target.h>
#ifdef __cplusplus
extern "C" {
#endif
extern jmp_buf *kmdb_dpi_fault_pcb;
/*
* The routines used by the kmdb side of the DPI to access the saved state
* of the current kernel instance, and to control that instance. A populated
* version of this vector is provided by the DPI backend used to control the
* machine. General use of the kmdb DPI is not via direct invocation of the
* functions in this ops vector, but rather flows through the convenience
* wrappers in kmdb_dpi.c.
*/
struct dpi_ops {
int (*dpo_init)(kmdb_auxv_t *);
void (*dpo_debugger_activate)(kdi_debugvec_t **, uint_t);
void (*dpo_debugger_deactivate)(void);
void (*dpo_enter_mon)(void);
void (*dpo_modchg_register)(void (*)(struct modctl *, int));
void (*dpo_modchg_cancel)(void);
int (*dpo_get_cpu_state)(int);
int (*dpo_get_master_cpuid)(void);
const mdb_tgt_gregset_t *(*dpo_get_gregs)(int);
int (*dpo_get_register)(const char *, kreg_t *);
int (*dpo_set_register)(const char *, kreg_t);
#ifdef __sparc
int (*dpo_get_rwin)(int, int, struct rwindow *);
int (*dpo_get_nwin)(int);
#endif
int (*dpo_brkpt_arm)(uintptr_t, mdb_instr_t *);
int (*dpo_brkpt_disarm)(uintptr_t, mdb_instr_t);
int (*dpo_wapt_validate)(kmdb_wapt_t *);
int (*dpo_wapt_reserve)(kmdb_wapt_t *);
void (*dpo_wapt_release)(kmdb_wapt_t *);
void (*dpo_wapt_arm)(kmdb_wapt_t *);
void (*dpo_wapt_disarm)(kmdb_wapt_t *);
int (*dpo_wapt_match)(kmdb_wapt_t *);
int (*dpo_step)(void);
uintptr_t (*dpo_call)(uintptr_t, uint_t, const uintptr_t *);
void (*dpo_dump_crumbs)(uintptr_t, int);
#ifdef __sparc
void (*dpo_kernpanic)(int);
#endif
};
extern void (*kmdb_dpi_wrintr_fire)(void);
extern dpi_ops_t kmdb_dpi_ops;
extern void kmdb_dpi_resume_common(int);
extern void kmdb_dpi_resume_master(void);
/* Used by the debugger to tell the driver how to resume */
#define KMDB_DPI_CMD_RESUME_ALL 1 /* Resume all CPUs */
#define KMDB_DPI_CMD_RESUME_MASTER 2 /* Resume only master CPU */
#define KMDB_DPI_CMD_RESUME_UNLOAD 3 /* Resume for debugger unload */
#define KMDB_DPI_CMD_SWITCH_CPU 4 /* Switch to another CPU */
#define KMDB_DPI_CMD_FLUSH_CACHES 5 /* Flush slave caches */
#define KMDB_DPI_CMD_REBOOT 6 /* Reboot the machine */
#ifdef __cplusplus
}
#endif
#endif /* _KMDB_DPI_IMPL_H */
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