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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 (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
*/
#include "intr_common.h"
static struct av_head avec_tbl[APIC_MAX_VECTOR+1];
static uint16_t shared_tbl[MAX_ISA_IRQ + 1];
static char *
interrupt_print_bus(uintptr_t dip_addr)
{
char bind_name[MAXPATHLEN + 1];
struct dev_info dev_info;
if (mdb_vread(&dev_info, sizeof (dev_info), dip_addr) == -1) {
mdb_warn("failed to read child dip");
return ("-");
}
while (dev_info.devi_parent != 0) {
if (mdb_vread(&dev_info, sizeof (dev_info),
(uintptr_t)dev_info.devi_parent) == -1)
break;
(void) mdb_readstr(bind_name, sizeof (bind_name),
(uintptr_t)dev_info.devi_binding_name);
if (strcmp(bind_name, "isa") == 0)
return ("ISA");
else if (strcmp(bind_name, "pci") == 0 ||
strcmp(bind_name, "npe") == 0)
return ("PCI");
}
return ("-");
}
/*
* uppc_interrupt_dump:
* Dump uppc(4D) interrupt information.
*/
/* ARGSUSED */
int
uppc_interrupt_dump(uintptr_t addr, uint_t flags, int argc,
const mdb_arg_t *argv)
{
int i, j;
boolean_t found = B_FALSE;
struct autovec avhp;
option_flags = 0;
if (mdb_getopts(argc, argv,
'd', MDB_OPT_SETBITS, INTR_DISPLAY_DRVR_INST, &option_flags,
'i', MDB_OPT_SETBITS, INTR_DISPLAY_INTRSTAT, &option_flags,
NULL) != argc)
return (DCMD_USAGE);
if (mdb_readvar(&avec_tbl, "autovect") == -1) {
mdb_warn("failed to read autovect");
return (DCMD_ERR);
}
if (mdb_readvar(&shared_tbl, "uppc_irq_shared_table") == -1) {
mdb_warn("failed to read uppc_irq_shared_table");
return (DCMD_ERR);
}
/*
* By default, on all x86 systems ::interrupts from uppc gets
* loaded first. For APIC systems the ::interrupts from either
* apix or pcplusmp ought to be executed. Confusion stems as
* these three modules export the same dcmd.
*/
for (i = 0; i < MAX_ISA_IRQ + 1; i++)
if (shared_tbl[i]) {
found = B_TRUE;
break;
}
if (found == B_FALSE) {
if (mdb_lookup_by_obj("apix", "apixs", NULL) == 0) {
return (mdb_call_dcmd("apix`interrupts",
addr, flags, argc, argv));
} else if (mdb_lookup_by_obj("pcplusmp", "apic_irq_table",
NULL) == 0) {
return (mdb_call_dcmd("pcplusmp`interrupts",
addr, flags, argc, argv));
}
}
/* Print the header first */
if (option_flags & INTR_DISPLAY_INTRSTAT)
mdb_printf("%<u>CPU ");
else
mdb_printf("%<u>IRQ Vector IPL(lo/hi) Bus Share ");
mdb_printf("%s %</u>\n", option_flags & INTR_DISPLAY_DRVR_INST ?
"Driver Name(s)" : "ISR(s)");
/* Walk all the entries */
for (i = 0; i < MAX_ISA_IRQ + 1; i++) {
/* Read the entry, if invalid continue */
if (mdb_vread(&avhp, sizeof (struct autovec),
(uintptr_t)avec_tbl[i].avh_link) == -1)
continue;
/* Print each interrupt entry */
if (option_flags & INTR_DISPLAY_INTRSTAT)
mdb_printf("cpu0\t");
else
mdb_printf("%-3d 0x%2x %4d/%-2d %-4s %-3d ",
i, i + PIC_VECTBASE, avec_tbl[i].avh_lo_pri,
avec_tbl[i].avh_hi_pri, avhp.av_dip ?
interrupt_print_bus((uintptr_t)avhp.av_dip) : " - ",
shared_tbl[i]);
if (shared_tbl[i])
interrupt_print_isr((uintptr_t)avhp.av_vector,
(uintptr_t)avhp.av_intarg1, (uintptr_t)avhp.av_dip);
for (j = 1; j < shared_tbl[i]; j++) {
if (mdb_vread(&avhp, sizeof (struct autovec),
(uintptr_t)avhp.av_link) != -1) {
mdb_printf(", ");
interrupt_print_isr((uintptr_t)avhp.av_vector,
(uintptr_t)avhp.av_intarg1,
(uintptr_t)avhp.av_dip);
} else {
break;
}
}
mdb_printf("\n");
}
return (DCMD_OK);
}
/*
* MDB module linkage information:
*/
static const mdb_dcmd_t dcmds[] = {
{ "interrupts", "?[-di]", "print interrupts", uppc_interrupt_dump,
interrupt_help},
{ "softint", "?[-d]", "print soft interrupts", soft_interrupt_dump,
soft_interrupt_help},
{ NULL }
};
static const mdb_modinfo_t modinfo = { MDB_API_VERSION, dcmds, NULL };
const mdb_modinfo_t *
_mdb_init(void)
{
GElf_Sym sym;
if (mdb_lookup_by_name("gld_intr", &sym) != -1)
if (GELF_ST_TYPE(sym.st_info) == STT_FUNC)
gld_intr_addr = (uintptr_t)sym.st_value;
return (&modinfo);
}
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