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From: Maxime Coquelin <maxime.coquelin@redhat.com>
To: Hernan Vargas <hernan.vargas@intel.com>,
	dev@dpdk.org, gakhil@marvell.com, trix@redhat.com
Cc: nicolas.chautru@intel.com, qi.z.zhang@intel.com
Subject: Re: [PATCH v2 03/37] baseband/acc100: add function to check AQ availability
Date: Wed, 14 Sep 2022 19:00:42 +0200	[thread overview]
Message-ID: <0341bd20-0399-ca18-1534-802cabd9f53c@redhat.com> (raw)
In-Reply-To: <20220820023157.189047-4-hernan.vargas@intel.com>



On 8/20/22 04:31, Hernan Vargas wrote:
> It is possible for some corner case to run more batch enqueue than
> supported. A protection is required to avoid that corner case.
> Enhance all ACC100 enqueue operations with check to see if there is room
> in the atomic queue for enqueueing batches into the queue manager
> Check room in AQ for the enqueues batches into Qmgr

Same as on patch 2. Reading the commit message, it sounds like a fix.

> Signed-off-by: Hernan Vargas <hernan.vargas@intel.com>
> ---
>   drivers/baseband/acc100/rte_acc100_pmd.c | 30 +++++++++++++++++-------
>   1 file changed, 22 insertions(+), 8 deletions(-)
> 
> diff --git a/drivers/baseband/acc100/rte_acc100_pmd.c b/drivers/baseband/acc100/rte_acc100_pmd.c
> index 0598d33582..7349bb5bad 100644
> --- a/drivers/baseband/acc100/rte_acc100_pmd.c
> +++ b/drivers/baseband/acc100/rte_acc100_pmd.c
> @@ -3635,12 +3635,27 @@ acc100_enqueue_enc_tb(struct rte_bbdev_queue_data *q_data,
>   	return i;
>   }
>   
> +/* Check room in AQ for the enqueues batches into Qmgr */
> +static int32_t
> +acc100_aq_avail(struct rte_bbdev_queue_data *q_data, uint16_t num_ops)
> +{
> +	struct acc100_queue *q = q_data->queue_private;
> +	int32_t aq_avail = q->aq_depth -
> +			((q->aq_enqueued - q->aq_dequeued +
> +			ACC100_MAX_QUEUE_DEPTH) % ACC100_MAX_QUEUE_DEPTH)
> +			- (num_ops >> 7);
> +	if (aq_avail <= 0)
> +		acc100_enqueue_queue_full(q_data);
Ok, forget my comment on patch 1, acc100_enqueue_queue_full() being used
here.

> +	return aq_avail;
> +}
> +
>   /* Enqueue encode operations for ACC100 device. */
>   static uint16_t
>   acc100_enqueue_enc(struct rte_bbdev_queue_data *q_data,
>   		struct rte_bbdev_enc_op **ops, uint16_t num)
>   {
> -	if (unlikely(num == 0))
> +	int32_t aq_avail = acc100_aq_avail(q_data, num);
> +	if (unlikely((aq_avail <= 0) || (num == 0)))
>   		return 0;
>   	if (ops[0]->turbo_enc.code_block_mode == RTE_BBDEV_TRANSPORT_BLOCK)
>   		return acc100_enqueue_enc_tb(q_data, ops, num);
> @@ -3653,7 +3668,8 @@ static uint16_t
>   acc100_enqueue_ldpc_enc(struct rte_bbdev_queue_data *q_data,
>   		struct rte_bbdev_enc_op **ops, uint16_t num)
>   {
> -	if (unlikely(num == 0))
> +	int32_t aq_avail = acc100_aq_avail(q_data, num);
> +	if (unlikely((aq_avail <= 0) || (num == 0)))
>   		return 0;
>   	if (ops[0]->ldpc_enc.code_block_mode == RTE_BBDEV_TRANSPORT_BLOCK)
>   		return acc100_enqueue_enc_tb(q_data, ops, num);
> @@ -3850,7 +3866,8 @@ static uint16_t
>   acc100_enqueue_dec(struct rte_bbdev_queue_data *q_data,
>   		struct rte_bbdev_dec_op **ops, uint16_t num)
>   {
> -	if (unlikely(num == 0))
> +	int32_t aq_avail = acc100_aq_avail(q_data, num);
> +	if (unlikely((aq_avail <= 0) || (num == 0)))
>   		return 0;
>   	if (ops[0]->turbo_dec.code_block_mode == RTE_BBDEV_TRANSPORT_BLOCK)
>   		return acc100_enqueue_dec_tb(q_data, ops, num);
> @@ -3863,11 +3880,8 @@ static uint16_t
>   acc100_enqueue_ldpc_dec(struct rte_bbdev_queue_data *q_data,
>   		struct rte_bbdev_dec_op **ops, uint16_t num)
>   {
> -	struct acc100_queue *q = q_data->queue_private;
> -	int32_t aq_avail = q->aq_depth +
> -			(q->aq_dequeued - q->aq_enqueued) / 128;
> -
> -	if (unlikely((aq_avail == 0) || (num == 0)))
> +	int32_t aq_avail = acc100_aq_avail(q_data, num);
> +	if (unlikely((aq_avail <= 0) || (num == 0)))
>   		return 0;
>   
>   	if (ops[0]->ldpc_dec.code_block_mode == RTE_BBDEV_TRANSPORT_BLOCK)


  reply	other threads:[~2022-09-14 17:00 UTC|newest]

Thread overview: 85+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-08-20  2:31 [PATCH v2 00/37] baseband/acc100: changes for 22.11 Hernan Vargas
2022-08-20  2:31 ` [PATCH v2 01/37] baseband/acc100: add enqueue status Hernan Vargas
2022-09-14 16:26   ` Maxime Coquelin
2022-08-20  2:31 ` [PATCH v2 02/37] baseband/acc100: update ring availability calculation Hernan Vargas
2022-09-14 16:43   ` Maxime Coquelin
2022-08-20  2:31 ` [PATCH v2 03/37] baseband/acc100: add function to check AQ availability Hernan Vargas
2022-09-14 17:00   ` Maxime Coquelin [this message]
2022-08-20  2:31 ` [PATCH v2 04/37] baseband/acc100: free SW ring mem for reconfiguration Hernan Vargas
2022-09-14 19:22   ` Maxime Coquelin
2022-08-20  2:31 ` [PATCH v2 05/37] baseband/acc100: memory leak fix Hernan Vargas
2022-09-14  8:50   ` Maxime Coquelin
2022-08-20  2:31 ` [PATCH v2 06/37] baseband/acc100: add default e value for FCW Hernan Vargas
2022-09-14 19:24   ` Maxime Coquelin
2022-09-15 11:00   ` Thomas Monjalon
2022-09-16  1:12     ` Chautru, Nicolas
2022-09-16  7:11       ` Thomas Monjalon
2022-08-20  2:31 ` [PATCH v2 07/37] baseband/acc100: add LDPC encoder padding function Hernan Vargas
2022-09-14 19:35   ` Maxime Coquelin
2022-08-20  2:31 ` [PATCH v2 08/37] baseband/acc100: add scatter-gather support Hernan Vargas
2022-09-14 20:09   ` Maxime Coquelin
2022-08-20  2:31 ` [PATCH v2 09/37] baseband/acc100: add HARQ index helper function Hernan Vargas
2022-09-14 20:16   ` Maxime Coquelin
2022-08-20  2:31 ` [PATCH v2 10/37] baseband/acc100: avoid mux for small inbound frames Hernan Vargas
2022-09-14 20:18   ` Maxime Coquelin
2022-08-20  2:31 ` [PATCH v2 11/37] baseband/acc100: separate validation functions from debug Hernan Vargas
2022-09-14 20:35   ` Maxime Coquelin
2022-08-20  2:31 ` [PATCH v2 12/37] baseband/acc100: add LDPC transport block support Hernan Vargas
2022-09-14 20:47   ` Maxime Coquelin
2022-08-20  2:31 ` [PATCH v2 13/37] baseband/acc10x: limit cases for HARQ pruning Hernan Vargas
2022-09-15  7:37   ` Maxime Coquelin
2022-09-16  0:31     ` Chautru, Nicolas
2022-08-20  2:31 ` [PATCH v2 14/37] baseband/acc100: update validate LDPC enc/dec Hernan Vargas
2022-09-15  7:43   ` Maxime Coquelin
2022-08-20  2:31 ` [PATCH v2 15/37] baseband/acc100: add workaround for deRM corner cases Hernan Vargas
2022-09-15  8:15   ` Maxime Coquelin
2022-09-16  1:20     ` Chautru, Nicolas
2022-08-20  2:31 ` [PATCH v2 16/37] baseband/acc100: add ring companion address Hernan Vargas
2022-09-15  9:09   ` Maxime Coquelin
2022-08-20  2:31 ` [PATCH v2 17/37] baseband/acc100: configure PMON control registers Hernan Vargas
2022-09-15  9:12   ` Maxime Coquelin
2022-08-20  2:31 ` [PATCH v2 18/37] baseband/acc100: implement configurable queue depth Hernan Vargas
2022-09-15  9:52   ` Maxime Coquelin
2022-08-20  2:31 ` [PATCH v2 19/37] baseband/acc100: add queue stop operation Hernan Vargas
2022-09-15  9:55   ` Maxime Coquelin
2022-08-20  2:31 ` [PATCH v2 20/37] baseband/acc100: check turbo dec/enc input Hernan Vargas
2022-09-15 10:01   ` Maxime Coquelin
2022-08-20  2:31 ` [PATCH v2 21/37] baseband/acc100: check for unlikely operation vals Hernan Vargas
2022-09-15 10:02   ` Maxime Coquelin
2022-08-20  2:31 ` [PATCH v2 22/37] baseband/acc100: enforce additional check on FCW Hernan Vargas
2022-09-15 10:12   ` Maxime Coquelin
2022-08-20  2:31 ` [PATCH v2 23/37] baseband/acc100: update uplink CB input length Hernan Vargas
2022-09-15 10:12   ` Maxime Coquelin
2022-08-20  2:31 ` [PATCH v2 24/37] baseband/acc100: rename ldpc encode function arg Hernan Vargas
2022-09-15 10:14   ` Maxime Coquelin
2022-08-20  2:31 ` [PATCH v2 25/37] baseband/acc100: update log messages Hernan Vargas
2022-09-15 10:14   ` Maxime Coquelin
2022-08-20  2:31 ` [PATCH v2 26/37] baseband/acc100: allocate ring/queue mem when NULL Hernan Vargas
2022-09-15 10:15   ` Maxime Coquelin
2022-08-20  2:31 ` [PATCH v2 27/37] baseband/acc100: store FCW from first CB descriptor Hernan Vargas
2022-09-15 10:18   ` Maxime Coquelin
2022-08-20  2:31 ` [PATCH v2 28/37] baseband/acc100: make desc optimization optional Hernan Vargas
2022-09-15 10:19   ` Maxime Coquelin
2022-08-20  2:31 ` [PATCH v2 29/37] baseband/acc100: update device info Hernan Vargas
2022-09-15 10:20   ` Maxime Coquelin
2022-08-20  2:31 ` [PATCH v2 30/37] baseband/acc100: reduce input length for CRC24B Hernan Vargas
2022-09-15 10:21   ` Maxime Coquelin
2022-08-20  2:31 ` [PATCH v2 31/37] baseband/acc100: fix clearing PF IR outside handler Hernan Vargas
2022-09-15 10:22   ` Maxime Coquelin
2022-08-20  2:31 ` [PATCH v2 32/37] baseband/acc100: fix debug print for LDPC FCW Hernan Vargas
2022-09-15 10:23   ` Maxime Coquelin
2022-08-20  2:31 ` [PATCH v2 33/37] baseband/acc100: set device min alignment to 1 Hernan Vargas
2022-09-15 10:24   ` Maxime Coquelin
2022-08-20  2:31 ` [PATCH v2 34/37] baseband/acc100: update meson file sdk dependency Hernan Vargas
2022-09-15 10:31   ` Maxime Coquelin
2022-09-15 10:57     ` Thomas Monjalon
2022-09-16  0:39       ` Chautru, Nicolas
2022-08-20  2:31 ` [PATCH v2 35/37] baseband/acc100: add protection for NULL HARQ input Hernan Vargas
2022-09-15 11:33   ` Maxime Coquelin
2022-08-20  2:31 ` [PATCH v2 36/37] baseband/acc100: make HARQ layout memory 4GB Hernan Vargas
2022-09-15 11:33   ` Maxime Coquelin
2022-08-20  2:31 ` [PATCH v2 37/37] baseband/acc100: reset pointer after rte_free Hernan Vargas
2022-09-15 11:34   ` Maxime Coquelin
2022-08-23 15:59 ` [EXT] [PATCH v2 00/37] baseband/acc100: changes for 22.11 Akhil Goyal
2022-08-24 18:23   ` Chautru, Nicolas
2022-09-06 20:03 ` Chautru, Nicolas

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