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From: Jerin Jacob Kollanukkaran <jerinj@marvell.com>
To: Pavan Nikhilesh Bhagavatula <pbhagavatula@marvell.com>,
	"Pavan Nikhilesh Bhagavatula" <pbhagavatula@marvell.com>
Cc: "dev@dpdk.org" <dev@dpdk.org>
Subject: Re: [dpdk-dev] [PATCH 06/44] event/octeontx2: allocate event inflight buffers
Date: Mon, 17 Jun 2019 07:56:43 +0000
Message-ID: <BYAPR18MB2424015711E6D5AF0A798DA5C8EB0@BYAPR18MB2424.namprd18.prod.outlook.com> (raw)
In-Reply-To: <20190601185355.370-7-pbhagavatula@marvell.com>

> -----Original Message-----
> From: pbhagavatula@marvell.com <pbhagavatula@marvell.com>
> Sent: Sunday, June 2, 2019 12:23 AM
> To: Jerin Jacob Kollanukkaran <jerinj@marvell.com>; Pavan Nikhilesh
> Bhagavatula <pbhagavatula@marvell.com>
> Cc: dev@dpdk.org
> Subject: [dpdk-dev] [PATCH 06/44] event/octeontx2: allocate event inflight
> buffers
> 
> From: Pavan Nikhilesh <pbhagavatula@marvell.com>
> 
> Allocate buffers in DRAM that hold inflight events.
> 
> Signed-off-by: Pavan Nikhilesh <pbhagavatula@marvell.com>
> ---
> 
> +static int
> +sso_xaq_allocate(struct otx2_sso_evdev *dev) {
> +	const struct rte_memzone *mz;
> +	struct npa_aura_s *aura;
> +	static int reconfig_cnt;
> +	char pool_name[30];

Use RTE_MEMZONE_NAMESIZE

> +	if (mz == NULL) {
> +		otx2_err("failed to allocate mem for fcmem");
> +		return -ENOMEM;
> +	}
> +
> +	dev->fc_iova = mz->iova;
> +	dev->fc_mem = mz->addr;
> +
> +	aura = (struct npa_aura_s *)((uintptr_t)dev->fc_mem + OTX2_ALIGN);
> +	memset(aura, 0, sizeof(struct npa_aura_s));
> +
> +	aura->fc_ena = 1;
> +	aura->fc_addr = dev->fc_iova;
> +	aura->fc_hyst_bits = 0; /* Store count on all updates */
> +
> +	/* Taken from HRM 14.3.3(4) */
> +	xaq_cnt = dev->nb_event_queues * OTX2_SSO_XAQ_CACHE_CNT;
> +	xaq_cnt += (dev->iue / dev->xae_waes) +
> +			(OTX2_SSO_XAQ_SLACK * dev->nb_event_queues);
> +
> +	otx2_sso_dbg("configuring %d xaq buffers", xaq_cnt);
> +	/* Setup XAQ based on number of nb queues. */
> +	snprintf(pool_name, 30, "otx2_xaq_buf_pool_%d", reconfig_cnt);
> +	dev->xaq_pool = (void *)rte_mempool_create_empty(pool_name,
> +			xaq_cnt, dev->xaq_buf_size, 0, 0,
> +			rte_socket_id(), 0);
> +
> +	if (dev->xaq_pool == NULL) {
> +		otx2_err("unable to create empty mempool.");
> +		rte_memzone_free(mz);
> +		return -ENOMEM;
> +	}
> +
> +	rc = rte_mempool_set_ops_byname(dev->xaq_pool,
> +					rte_mbuf_platform_mempool_ops(),
> aura);
> +	if (rc != 0) {
> +		otx2_err("unable to set xaqpool ops.");
> +		goto alloc_fail;
> +	}
> +
> +	rc = rte_mempool_populate_default(dev->xaq_pool);
> +	if (rc < 0) {
> +		otx2_err("unable to set populate xaqpool.");
> +		goto alloc_fail;
> +	}
> +	reconfig_cnt++;
> +	dev->xaq_lmt = xaq_cnt - (OTX2_SSO_XAQ_SLACK / 2 *
> +				  dev->nb_event_queues);

Add comment on why divide by 2.



  reply index

Thread overview: 58+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-06-01 18:53 [dpdk-dev] [PATCH 00/44] OCTEON TX2 event device driver pbhagavatula
2019-06-01 18:53 ` [dpdk-dev] [PATCH 01/44] event/octeontx2: add build infra and device probe pbhagavatula
2019-06-17  7:50   ` Jerin Jacob Kollanukkaran
2019-06-01 18:53 ` [dpdk-dev] [PATCH 02/44] event/octeontx2: add init and fini for octeontx2 SSO object pbhagavatula
2019-06-17  7:52   ` Jerin Jacob Kollanukkaran
2019-06-01 18:53 ` [dpdk-dev] [PATCH 03/44] event/octeontx2: add device capabilities function pbhagavatula
2019-06-01 18:53 ` [dpdk-dev] [PATCH 04/44] event/octeontx2: add device configure function pbhagavatula
2019-06-01 18:53 ` [dpdk-dev] [PATCH 05/44] event/octeontx2: add event queue config functions pbhagavatula
2019-06-01 18:53 ` [dpdk-dev] [PATCH 06/44] event/octeontx2: allocate event inflight buffers pbhagavatula
2019-06-17  7:56   ` Jerin Jacob Kollanukkaran [this message]
2019-06-01 18:53 ` [dpdk-dev] [PATCH 07/44] event/octeontx2: add devargs for inflight buffer count pbhagavatula
2019-06-17  7:58   ` Jerin Jacob Kollanukkaran
2019-06-01 18:53 ` [dpdk-dev] [PATCH 08/44] event/octeontx2: add event port config functions pbhagavatula
2019-06-01 18:53 ` [dpdk-dev] [PATCH 09/44] event/octeontx2: support linking queues to ports pbhagavatula
2019-06-01 18:53 ` [dpdk-dev] [PATCH 10/44] event/octeontx2: support dequeue timeout tick conversion pbhagavatula
2019-06-17  8:01   ` Jerin Jacob Kollanukkaran
2019-06-01 18:53 ` [dpdk-dev] [PATCH 11/44] event/octeontx2: add SSO GWS and GGRP IRQ handlers pbhagavatula
2019-06-17  8:04   ` Jerin Jacob Kollanukkaran
2019-06-01 18:53 ` [dpdk-dev] [PATCH 12/44] event/octeontx2: add register dump functions pbhagavatula
2019-06-01 18:53 ` [dpdk-dev] [PATCH 13/44] event/octeontx2: add xstats support pbhagavatula
2019-06-01 18:53 ` [dpdk-dev] [PATCH 14/44] event/octeontx2: add SSO HW device operations pbhagavatula
2019-06-01 18:53 ` [dpdk-dev] [PATCH 15/44] event/octeontx2: add worker enqueue functions pbhagavatula
2019-06-01 18:53 ` [dpdk-dev] [PATCH 16/44] event/octeontx2: add worker dequeue functions pbhagavatula
2019-06-01 18:53 ` [dpdk-dev] [PATCH 17/44] event/octeontx2: add octeontx2 SSO dual workslot mode pbhagavatula
2019-06-01 18:53 ` [dpdk-dev] [PATCH 18/44] event/octeontx2: add SSO dual GWS HW device operations pbhagavatula
2019-06-01 18:53 ` [dpdk-dev] [PATCH 19/44] event/octeontx2: add worker dual GWS enqueue functions pbhagavatula
2019-06-01 18:53 ` [dpdk-dev] [PATCH 20/44] event/octeontx2: add worker dual GWS dequeue functions pbhagavatula
2019-06-01 18:53 ` [dpdk-dev] [PATCH 21/44] event/octeontx2: add devargs to force legacy mode pbhagavatula
2019-06-01 18:53 ` [dpdk-dev] [PATCH 22/44] event/octeontx2: add device start function pbhagavatula
2019-06-01 18:53 ` [dpdk-dev] [PATCH 23/44] event/octeontx2: add devargs to control SSO GGRP QoS pbhagavatula
2019-06-01 18:53 ` [dpdk-dev] [PATCH 24/44] event/octeontx2: add device stop and close functions pbhagavatula
2019-06-01 18:53 ` [dpdk-dev] [PATCH 25/44] event/octeontx2: add SSO selftest pbhagavatula
2019-06-17  8:18   ` Jerin Jacob Kollanukkaran
2019-06-01 18:53 ` [dpdk-dev] [PATCH 26/44] doc: add Marvell OCTEON TX2 event device documentation pbhagavatula
2019-06-17  8:15   ` Jerin Jacob Kollanukkaran
2019-06-01 18:53 ` [dpdk-dev] [PATCH 27/44] event/octeontx2: add event timer support pbhagavatula
2019-06-17  8:20   ` Jerin Jacob Kollanukkaran
2019-06-01 18:53 ` [dpdk-dev] [PATCH 28/44] event/octeontx2: add timer adapter capabilities pbhagavatula
2019-06-01 18:53 ` [dpdk-dev] [PATCH 29/44] event/octeontx2: create and free timer adapter pbhagavatula
2019-06-01 18:53 ` [dpdk-dev] [PATCH 30/44] event/octeontx2: allow TIM to optimize config pbhagavatula
2019-06-01 18:53 ` [dpdk-dev] [PATCH 31/44] event/octeontx2: add devargs to disable NPA pbhagavatula
2019-06-01 18:53 ` [dpdk-dev] [PATCH 32/44] event/octeontx2: add devargs to modify chunk slots pbhagavatula
2019-06-17  8:24   ` Jerin Jacob Kollanukkaran
2019-06-01 18:53 ` [dpdk-dev] [PATCH 33/44] event/octeontx2: add TIM IRQ handlers pbhagavatula
2019-06-17  8:25   ` Jerin Jacob Kollanukkaran
2019-06-01 18:53 ` [dpdk-dev] [PATCH 34/44] event/octeontx2: allow adapters to resize inflight buffers pbhagavatula
2019-06-17  8:27   ` Jerin Jacob Kollanukkaran
2019-06-01 18:53 ` [dpdk-dev] [PATCH 35/44] event/octeontx2: add timer adapter info get function pbhagavatula
2019-06-01 18:53 ` [dpdk-dev] [PATCH 36/44] event/octeontx2: add TIM bucket operations pbhagavatula
2019-06-17  8:31   ` Jerin Jacob Kollanukkaran
2019-06-01 18:53 ` [dpdk-dev] [PATCH 37/44] event/octeontx2: add event timer arm routine pbhagavatula
2019-06-01 18:53 ` [dpdk-dev] [PATCH 38/44] event/octeontx2: add event timer arm timeout burst pbhagavatula
2019-06-01 18:53 ` [dpdk-dev] [PATCH 39/44] event/octeontx2: add event timer cancel function pbhagavatula
2019-06-01 18:53 ` [dpdk-dev] [PATCH 40/44] event/octeontx2: add event timer stats get and reset pbhagavatula
2019-06-01 18:53 ` [dpdk-dev] [PATCH 41/44] event/octeontx2: add even timer adapter start and stop pbhagavatula
2019-06-01 18:53 ` [dpdk-dev] [PATCH 42/44] event/octeontx2: add devargs to limit timer adapters pbhagavatula
2019-06-01 18:53 ` [dpdk-dev] [PATCH 43/44] event/octeontx2: add devargs to control adapter parameters pbhagavatula
2019-06-01 18:53 ` [dpdk-dev] [PATCH 44/44] doc: update Marvell OCTEON TX2 eventdev documentation pbhagavatula

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