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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 2013 Nexenta Systems, Inc. All rights reserved.
*/
#include <limits.h>
#include <sys/mdb_modapi.h>
#include <sys/sysinfo.h>
#include <sys/sunmdi.h>
#include <sys/scsi/scsi.h>
#include "mr_sas.h"
int
construct_path(uintptr_t addr, char *result)
{
struct dev_info d;
char devi_node[PATH_MAX];
char devi_addr[PATH_MAX];
if (mdb_vread(&d, sizeof (d), addr) == -1) {
mdb_warn("couldn't read dev_info");
return (DCMD_ERR);
}
if (d.devi_parent) {
construct_path((uintptr_t)d.devi_parent, result);
mdb_readstr(devi_node, sizeof (devi_node),
(uintptr_t)d.devi_node_name);
mdb_readstr(devi_addr, sizeof (devi_addr),
(uintptr_t)d.devi_addr);
mdb_snprintf(result+strlen(result),
PATH_MAX-strlen(result),
"/%s%s%s", devi_node, (*devi_addr ? "@" : ""),
devi_addr);
}
return (DCMD_OK);
}
void
display_targets(struct mrsas_instance *m, int verbose)
{
int tgt;
struct mrsas_ld mr_ldp[MRDRV_MAX_LD];
struct mrsas_tbolt_pd mr_pdp[MRSAS_TBOLT_PD_TGT_MAX];
char device_path[PATH_MAX];
if (verbose) {
*device_path = 0;
if (construct_path((uintptr_t)m->dip, device_path) != DCMD_OK) {
strcpy(device_path, "couldn't determine device path");
}
}
mdb_printf("\n");
if (verbose)
mdb_printf("%s\n", device_path);
mdb_printf("Physical/Logical Target\n");
mdb_printf("-----------------------\n");
if (mdb_vread(&mr_ldp, sizeof (mr_ldp), (uintptr_t)m->mr_ld_list)
== -1 ||
mdb_vread(&mr_pdp, sizeof (mr_pdp), (uintptr_t)m->mr_tbolt_pd_list)
== -1) {
mdb_warn("can't read list of disks");
return;
}
for (tgt = 0; tgt < MRDRV_MAX_LD; tgt++) {
if (mr_ldp[tgt].dip != NULL &&
mr_ldp[tgt].lun_type == MRSAS_LD_LUN) {
mdb_printf("Logical sd %d\n", tgt);
}
}
for (tgt = 0; tgt < MRSAS_TBOLT_PD_TGT_MAX; tgt++) {
if (mr_pdp[tgt].dip != NULL &&
mr_pdp[tgt].lun_type == MRSAS_TBOLT_PD_LUN) {
mdb_printf("Physical sd %d\n", tgt);
}
}
mdb_printf("\n");
}
void
display_deviceinfo(struct mrsas_instance *m)
{
uint16_t vid, did, svid, sid;
vid = m->vendor_id;
did = m->device_id;
svid = m->subsysvid;
sid = m->subsysid;
mdb_printf("\n");
mdb_printf("vendor_id device_id subsysvid subsysid");
mdb_printf("\n");
mdb_printf("--------------------------------------");
mdb_printf("\n");
mdb_printf(" 0x%x 0x%x 0x%x 0x%x",
vid, did, svid, sid);
mdb_printf("\n");
}
static int
mr_sas_dcmd(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
{
struct mrsas_instance m;
int instance;
uint16_t ncmds;
uint_t verbose = FALSE;
uint_t device_info = FALSE;
uint_t target_info = FALSE;
int rv = DCMD_OK;
void *mrsas_state;
if (!(flags & DCMD_ADDRSPEC)) {
mrsas_state = NULL;
if (mdb_readvar(&mrsas_state, "mrsas_state") == -1) {
mdb_warn("can't read mrsas_state");
return (DCMD_ERR);
}
if (mdb_pwalk_dcmd("genunix`softstate", "mr_sas`mr_sas",
argc, argv, (uintptr_t)mrsas_state) == -1) {
mdb_warn("mdb_pwalk_dcmd failed");
return (DCMD_ERR);
}
return (DCMD_OK);
}
if (mdb_getopts(argc, argv,
'd', MDB_OPT_SETBITS, TRUE, &device_info,
't', MDB_OPT_SETBITS, TRUE, &target_info,
'v', MDB_OPT_SETBITS, TRUE, &verbose,
NULL) != argc)
return (DCMD_USAGE);
if (mdb_vread(&m, sizeof (m), addr) == -1) {
mdb_warn("couldn't read mrsas_instance struct at 0x%p", addr);
return (DCMD_ERR);
}
instance = m.instance;
/* cmd slot info */
ncmds = m.max_fw_cmds;
/* processing completed */
if (((flags & DCMD_ADDRSPEC) && !(flags & DCMD_LOOP)) ||
(flags & DCMD_LOOPFIRST)) {
if ((flags & DCMD_LOOP) && !(flags & DCMD_LOOPFIRST))
mdb_printf("\n");
mdb_printf(" mrsas_t inst max_fw_cmds intr_type");
mdb_printf("\n");
mdb_printf("===========================================");
mdb_printf("\n");
}
mdb_printf("%16p %4d %4d ", addr, instance, ncmds);
switch (m.intr_type) {
case DDI_INTR_TYPE_MSIX:
mdb_printf("MSI-X");
break;
case DDI_INTR_TYPE_MSI:
mdb_printf("MSI");
break;
case DDI_INTR_TYPE_FIXED:
mdb_printf("FIXED");
break;
default:
mdb_printf("INVALD");
}
mdb_printf("\n");
if (target_info)
display_targets(&m, verbose);
if (device_info)
display_deviceinfo(&m);
return (rv);
}
void
mr_sas_help(void)
{
mdb_printf("Prints summary information about each mr_sas instance, "
"Without the address of a \"struct mrsas_instance\", prints every "
"instance.\n\n"
"Switches:\n"
" -t includes information about targets\n"
" -d includes information about the hardware\n"
" -v displays extra information for some options\n");
}
static const mdb_dcmd_t dcmds[] = {
{ "mr_sas", "?[-tdv]", "print mr_sas information", mr_sas_dcmd,
mr_sas_help },
{ NULL }
};
static const mdb_modinfo_t modinfo = {
MDB_API_VERSION, dcmds, NULL
};
const mdb_modinfo_t *
_mdb_init(void)
{
return (&modinfo);
}
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