d/freebsd-skq
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Add sysctls for dumping out the device mapping tables. I'm finding this

Browse Source 
useful for debugging device-target translation bugs.

MFC after:	3 days
Sponsored by:	Netflix
This commit is contained in:
scottl 2016-02-04 23:38:55 +00:00
parent 1a98ff9834
commit 3335a0f964
3 changed files with 69 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
sys/dev/mps/mps.c
View File

@ -1476,6 +1476,14 @@ mps_setup_sysctl(struct mps_softc *sc)
OID_AUTO, "spinup_wait_time", CTLFLAG_RD,
&sc->spinup_wait_time, DEFAULT_SPINUP_WAIT, "seconds to wait for "
"spinup after SATA ID error");
SYSCTL_ADD_PROC(sysctl_ctx, SYSCTL_CHILDREN(sysctl_tree),
OID_AUTO, "mapping_table_dump", CTLTYPE_STRING | CTLFLAG_RD, sc, 0,
mps_mapping_dump, "A", "Mapping Table Dump");
SYSCTL_ADD_PROC(sysctl_ctx, SYSCTL_CHILDREN(sysctl_tree),
OID_AUTO, "encl_table_dump", CTLTYPE_STRING | CTLFLAG_RD, sc, 0,
mps_mapping_encl_dump, "A", "Enclosure Table Dump");
}
int

59
sys/dev/mps/mps_mapping.c
View File

@ -43,6 +43,7 @@ __FBSDID("$FreeBSD$");
#include <sys/bus.h>
#include <sys/endian.h>
#include <sys/sysctl.h>
#include <sys/sbuf.h>
#include <sys/eventhandler.h>
#include <sys/uio.h>
#include <machine/bus.h>
@ -2263,3 +2264,61 @@ mps_mapping_ir_config_change_event(struct mps_softc *sc,
if (sc->pending_map_events)
sc->pending_map_events--;
}
int
mps_mapping_dump(SYSCTL_HANDLER_ARGS)
{
struct mps_softc *sc;
struct dev_mapping_table *mt_entry;
struct sbuf sbuf;
int i, error;
sc = (struct mps_softc *)arg1;
error = sysctl_wire_old_buffer(req, 0);
if (error != 0)
return (error);
sbuf_new_for_sysctl(&sbuf, NULL, 128, req);
sbuf_printf(&sbuf, "\nindex physical_id handle id\n");
for (i = 0; i < sc->max_devices; i++) {
mt_entry = &sc->mapping_table[i];
if (mt_entry->physical_id == 0)
continue;
sbuf_printf(&sbuf, "%4d %jx %04x %hd\n",
i, mt_entry->physical_id, mt_entry->dev_handle,
mt_entry->id);
}
error = sbuf_finish(&sbuf);
sbuf_delete(&sbuf);
return (error);
}
int
mps_mapping_encl_dump(SYSCTL_HANDLER_ARGS)
{
struct mps_softc *sc;
struct enc_mapping_table *enc_entry;
struct sbuf sbuf;
int i, error;
sc = (struct mps_softc *)arg1;
error = sysctl_wire_old_buffer(req, 0);
if (error != 0)
return (error);
sbuf_new_for_sysctl(&sbuf, NULL, 128, req);
sbuf_printf(&sbuf, "\nindex enclosure_id handle map_index\n");
for (i = 0; i < sc->max_enclosures; i++) {
enc_entry = &sc->enclosure_table[i];
if (enc_entry->enclosure_id == 0)
continue;
sbuf_printf(&sbuf, "%4d %jx %04x %d\n",
i, enc_entry->enclosure_id, enc_entry->enc_handle,
enc_entry->start_index);
}
error = sbuf_finish(&sbuf);
sbuf_delete(&sbuf);
return (error);
}

2
sys/dev/mps/mpsvar.h
View File

@ -756,6 +756,8 @@ void mps_mapping_enclosure_dev_status_change_event(struct mps_softc *,
Mpi2EventDataSasEnclDevStatusChange_t *event_data);
void mps_mapping_ir_config_change_event(struct mps_softc *sc,
Mpi2EventDataIrConfigChangeList_t *event_data);
int mps_mapping_dump(SYSCTL_HANDLER_ARGS);
int mps_mapping_encl_dump(SYSCTL_HANDLER_ARGS);
void mpssas_evt_handler(struct mps_softc *sc, uintptr_t data,
MPI2_EVENT_NOTIFICATION_REPLY *event);