[1/2] common/cnxk: align CPT queue depth to power of 2
Checks
Commit Message
Use CPT LF queue depth as power of 2 to aid in masked checks for pending
queue.
Signed-off-by: Anoob Joseph <anoobj@marvell.com>
Acked-by: Jerin Jacob Kollanukkaran <jerinj@marvell.com>
---
drivers/common/cnxk/roc_cpt.c | 3 +++
1 file changed, 3 insertions(+)
Comments
> Subject: [PATCH 1/2] common/cnxk: align CPT queue depth to power of 2
>
> Use CPT LF queue depth as power of 2 to aid in masked checks for pending
> queue.
>
> Signed-off-by: Anoob Joseph <anoobj@marvell.com>
> Acked-by: Jerin Jacob Kollanukkaran <jerinj@marvell.com>
> ---
Series Applied to dpdk-next-crypto
Thanks.
@@ -568,6 +568,9 @@ cpt_lf_init(struct roc_cpt_lf *lf)
if (lf->nb_desc == 0 || lf->nb_desc > CPT_LF_MAX_NB_DESC)
lf->nb_desc = CPT_LF_DEFAULT_NB_DESC;
+ /* Update nb_desc to next power of 2 to aid in pending queue checks */
+ lf->nb_desc = plt_align32pow2(lf->nb_desc);
+
/* Allocate memory for instruction queue for CPT LF. */
iq_mem = plt_zmalloc(cpt_lf_iq_mem_calc(lf->nb_desc), ROC_ALIGN);
if (iq_mem == NULL)