xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Koodi Ongelmat Pull-pyynnöt Actions Paketit Projektit Julkaisut Wiki Toiminta

crypto: cavium/nitrox - add support for per device request statistics.

Selaa lähdekoodia 
Add per device statistics like number of requests posted,
dropped and completed etc.

Signed-off-by: Srikanth Jampala <Jampala.Srikanth@cavium.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Srikanth Jampala
2018-09-21 17:08:01 +05:30
committed by Herbert Xu
vanhempi 48e10548f8
commit fec165c947
3 muutettua tiedostoa jossa 20 lisäystä ja 1 poistoa
Download Patch File Download Diff File Expand all files Collapse all files

9
drivers/crypto/cavium/nitrox/nitrox_reqmgr.c
Näytä tiedosto

@@ -460,6 +460,9 @@ static void post_se_instr(struct nitrox_softreq *sr,
cmdq->write_idx = incr_index(idx, 1, ndev->qlen);
spin_unlock_bh(&cmdq->cmdq_lock);
/* increment the posted command count */
atomic64_inc(&ndev->stats.posted);
}
static int post_backlog_cmds(struct nitrox_cmdq *cmdq)
@@ -508,8 +511,11 @@ static int nitrox_enqueue_request(struct nitrox_softreq *sr)
post_backlog_cmds(cmdq);
if (unlikely(cmdq_full(cmdq, ndev->qlen))) {
if (!(sr->flags & CRYPTO_TFM_REQ_MAY_BACKLOG))
if (!(sr->flags & CRYPTO_TFM_REQ_MAY_BACKLOG)) {
/* increment drop count */
atomic64_inc(&ndev->stats.dropped);
return -ENOSPC;
}
/* add to backlog list */
backlog_list_add(sr, cmdq);
return -EBUSY;
@@ -694,6 +700,7 @@ static void process_response_list(struct nitrox_cmdq *cmdq)
READ_ONCE(sr->resp.orh));
}
atomic_dec(&cmdq->pending_count);
atomic64_inc(&ndev->stats.completed);
/* sync with other cpus */
smp_mb__after_atomic();
/* remove from response list */