mirror of
https://github.com/freebsd/freebsd-src
synced 2024-10-07 17:10:36 +00:00
ioat(4): Add ddb "show ioat <unit>" debugger command
Sponsored by: EMC / Isilon Storage Division
This commit is contained in:
parent
714ac00292
commit
0bb35deb07
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=301712
|
@ -27,6 +27,8 @@
|
|||
#include <sys/cdefs.h>
|
||||
__FBSDID("$FreeBSD$");
|
||||
|
||||
#include "opt_ddb.h"
|
||||
|
||||
#include <sys/param.h>
|
||||
#include <sys/systm.h>
|
||||
#include <sys/bus.h>
|
||||
|
@ -48,6 +50,10 @@ __FBSDID("$FreeBSD$");
|
|||
#include <machine/resource.h>
|
||||
#include <machine/stdarg.h>
|
||||
|
||||
#ifdef DDB
|
||||
#include <ddb/ddb.h>
|
||||
#endif
|
||||
|
||||
#include "ioat.h"
|
||||
#include "ioat_hw.h"
|
||||
#include "ioat_internal.h"
|
||||
|
@ -2090,3 +2096,96 @@ ioat_drain_locked(struct ioat_softc *ioat)
|
|||
while (ioat->refcnt > 0)
|
||||
msleep(IOAT_REFLK, IOAT_REFLK, 0, "ioat_drain", 0);
|
||||
}
|
||||
|
||||
#ifdef DDB
|
||||
#define _db_show_lock(lo) LOCK_CLASS(lo)->lc_ddb_show(lo)
|
||||
#define db_show_lock(lk) _db_show_lock(&(lk)->lock_object)
|
||||
DB_SHOW_COMMAND(ioat, db_show_ioat)
|
||||
{
|
||||
struct ioat_softc *sc;
|
||||
unsigned idx;
|
||||
|
||||
if (!have_addr)
|
||||
goto usage;
|
||||
idx = (unsigned)addr;
|
||||
if (addr >= ioat_channel_index)
|
||||
goto usage;
|
||||
|
||||
sc = ioat_channel[idx];
|
||||
db_printf("ioat softc at %p\n", sc);
|
||||
if (sc == NULL)
|
||||
return;
|
||||
|
||||
db_printf(" version: %d\n", sc->version);
|
||||
db_printf(" chan_idx: %u\n", sc->chan_idx);
|
||||
db_printf(" submit_lock: ");
|
||||
db_show_lock(&sc->submit_lock);
|
||||
|
||||
db_printf(" capabilities: %b\n", (int)sc->capabilities,
|
||||
IOAT_DMACAP_STR);
|
||||
db_printf(" cached_intrdelay: %u\n", sc->cached_intrdelay);
|
||||
db_printf(" *comp_update: 0x%jx\n", (uintmax_t)*sc->comp_update);
|
||||
|
||||
db_printf(" timer:\n");
|
||||
db_printf(" c_time: %ju\n", (uintmax_t)sc->timer.c_time);
|
||||
db_printf(" c_arg: %p\n", sc->timer.c_arg);
|
||||
db_printf(" c_func: %p\n", sc->timer.c_func);
|
||||
db_printf(" c_lock: %p\n", sc->timer.c_lock);
|
||||
db_printf(" c_flags: 0x%x\n", (unsigned)sc->timer.c_flags);
|
||||
|
||||
db_printf(" quiescing: %d\n", (int)sc->quiescing);
|
||||
db_printf(" destroying: %d\n", (int)sc->destroying);
|
||||
db_printf(" is_resize_pending: %d\n", (int)sc->is_resize_pending);
|
||||
db_printf(" is_completion_pending: %d\n", (int)sc->is_completion_pending);
|
||||
db_printf(" is_reset_pending: %d\n", (int)sc->is_reset_pending);
|
||||
db_printf(" is_channel_running: %d\n", (int)sc->is_channel_running);
|
||||
db_printf(" intrdelay_supported: %d\n", (int)sc->intrdelay_supported);
|
||||
|
||||
db_printf(" head: %u\n", sc->head);
|
||||
db_printf(" tail: %u\n", sc->tail);
|
||||
db_printf(" hw_head: %u\n", sc->hw_head);
|
||||
db_printf(" ring_size_order: %u\n", sc->ring_size_order);
|
||||
db_printf(" last_seen: 0x%lx\n", sc->last_seen);
|
||||
db_printf(" ring: %p\n", sc->ring);
|
||||
|
||||
db_printf(" cleanup_lock: ");
|
||||
db_show_lock(&sc->cleanup_lock);
|
||||
|
||||
db_printf(" refcnt: %u\n", sc->refcnt);
|
||||
#ifdef INVARIANTS
|
||||
CTASSERT(IOAT_NUM_REF_KINDS == 2);
|
||||
db_printf(" refkinds: [ENG=%u, DESCR=%u]\n", sc->refkinds[0],
|
||||
sc->refkinds[1]);
|
||||
#endif
|
||||
db_printf(" stats:\n");
|
||||
db_printf(" interrupts: %lu\n", sc->stats.interrupts);
|
||||
db_printf(" descriptors_processed: %lu\n", sc->stats.descriptors_processed);
|
||||
db_printf(" descriptors_error: %lu\n", sc->stats.descriptors_error);
|
||||
db_printf(" descriptors_submitted: %lu\n", sc->stats.descriptors_submitted);
|
||||
|
||||
db_printf(" channel_halts: %u\n", sc->stats.channel_halts);
|
||||
db_printf(" last_halt_chanerr: %u\n", sc->stats.last_halt_chanerr);
|
||||
|
||||
if (db_pager_quit)
|
||||
return;
|
||||
|
||||
db_printf(" hw status:\n");
|
||||
db_printf(" status: 0x%lx\n", ioat_get_chansts(sc));
|
||||
db_printf(" chanctrl: 0x%x\n",
|
||||
(unsigned)ioat_read_2(sc, IOAT_CHANCTRL_OFFSET));
|
||||
db_printf(" chancmd: 0x%x\n",
|
||||
(unsigned)ioat_read_1(sc, IOAT_CHANCMD_OFFSET));
|
||||
db_printf(" dmacount: 0x%x\n",
|
||||
(unsigned)ioat_read_2(sc, IOAT_DMACOUNT_OFFSET));
|
||||
db_printf(" chainaddr: 0x%lx\n",
|
||||
ioat_read_double_4(sc, IOAT_CHAINADDR_OFFSET_LOW));
|
||||
db_printf(" chancmp: 0x%lx\n",
|
||||
ioat_read_double_4(sc, IOAT_CHANCMP_OFFSET_LOW));
|
||||
db_printf(" chanerr: %b\n",
|
||||
(int)ioat_read_4(sc, IOAT_CHANERR_OFFSET), IOAT_CHANERR_STR);
|
||||
return;
|
||||
usage:
|
||||
db_printf("usage: show ioat <0-%u>\n", ioat_channel_index);
|
||||
return;
|
||||
}
|
||||
#endif /* DDB */
|
||||
|
|
Loading…
Reference in a new issue