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From: Jerin Jacob <jerin.jacob@caviumnetworks.com>
To: Pavan Nikhilesh <pbhagavatula@caviumnetworks.com>
Cc: santosh.shukla@caviumnetworks.com, erik.g.carrillo@intel.com,
	dev@dpdk.org
Subject: Re: [dpdk-dev] [PATCH v3 03/12] event/octeontx: add support to create and free timer adapter
Date: Sun, 8 Apr 2018 13:09:30 +0530	[thread overview]
Message-ID: <20180408073928.GA6880@jerin> (raw)
In-Reply-To: <20180403150514.24201-4-pbhagavatula@caviumnetworks.com>

-----Original Message-----
> Date: Tue,  3 Apr 2018 20:35:05 +0530
> From: Pavan Nikhilesh <pbhagavatula@caviumnetworks.com>
> To: jerin.jacob@caviumnetworks.com, santosh.shukla@caviumnetworks.com,
>  erik.g.carrillo@intel.com
> Cc: dev@dpdk.org, Pavan Nikhilesh <pbhagavatula@caviumnetworks.com>
> Subject: [dpdk-dev] [PATCH v3 03/12] event/octeontx: add support to create
>  and free timer adapter
> X-Mailer: git-send-email 2.16.3
> 
> When the application requests to create a timer device, Octeontx TIM
> create does the following:
> - Get the requested TIMvf ring based on adapter_id.
> - Verify the config parameters supplied.
> - Allocate memory required for
>   * Buckets based on min and max timeout supplied.
>   * Allocate the chunk pool based on the number of timers.
> - Clear the interrupts.
> 
> On Free:
> - Free the allocated bucket and chunk memory.
> - Free private data used by TIMvf.
> 
> Signed-off-by: Pavan Nikhilesh <pbhagavatula@caviumnetworks.com>
> ---
> +static int
> +timvf_ring_create(struct rte_event_timer_adapter *adptr)
> +{
> +
> +	switch (rcfg->clk_src) {
> +	case RTE_EVENT_TIMER_ADAPTER_CPU_CLK:

while defining the enum, equate TIM_CLK_SRC_SCLK, TIM_CLK_SRC_GPIO..
values to RTE_EVENT_TIMER_ADAPTER_CPU_CLK,
RTE_EVENT_TIMER_ADAPTER_EXT_CLK0 ..
etc to avoid switch case.

> +		timr->clk_src = TIM_CLK_SRC_SCLK;
> +		break;
> +	case RTE_EVENT_TIMER_ADAPTER_EXT_CLK0:
> +		timr->clk_src = TIM_CLK_SRC_GPIO;
> +		break;
> +	case RTE_EVENT_TIMER_ADAPTER_EXT_CLK1:
> +		timr->clk_src = TIM_CLK_SRC_GTI;
> +		break;
> +	case RTE_EVENT_TIMER_ADAPTER_EXT_CLK2:
> +		timr->clk_src = TIM_CLK_SRC_PTP;
> +		break;
> +	default:
> +		timvf_log_err("Invalid clk source specified.");
> +		goto cfg_err;
> +	}
> +
> +	timvf_write64(0, (uint8_t *)timr->vbar0 + TIM_VRING_BASE);
> +	timvf_write64(0, (uint8_t *)timr->vbar0 + TIM_VF_NRSPERR_INT);
> +	timvf_write64(0, (uint8_t *)timr->vbar0 + TIM_VF_NRSPERR_INT_W1S);
> +	timvf_write64(0x7, (uint8_t *)timr->vbar0 + TIM_VF_NRSPERR_ENA_W1C);
> +	timvf_write64(0x7, (uint8_t *)timr->vbar0 + TIM_VF_NRSPERR_ENA_W1S);
> +
> +	return 0;
> +mem_err:
> +	rte_free(timr);
> +	return -ENOMEM;
> +cfg_err:
> +	rte_free(timr);
> +	return -EINVAL;
> +}
> +
> +static int
> +timvf_ring_free(struct rte_event_timer_adapter *adptr)
> +{
> +	struct timvf_ring *timr = adptr->data->adapter_priv;
> +	rte_mempool_free(timr->meta.chunk_pool);
> +	rte_free(timr->meta.bkt);
> +	rte_free(adptr->data->adapter_priv);
> +	return 0;
> +}
> +
> +static struct rte_event_timer_adapter_ops timvf_ops = {

use const

> +		.init		= timvf_ring_create,

Found additional tab

> +		.uninit		= timvf_ring_free,
> +		.get_info	= timvf_ring_info_get,
> +};
> +
> +int
> +timvf_timer_adapter_caps_get(const struct rte_eventdev *dev, uint64_t flags,
> +		uint32_t *caps, const struct rte_event_timer_adapter_ops **ops)
> +{
> +	RTE_SET_USED(dev);
> +	RTE_SET_USED(flags);
> +	*caps = RTE_EVENT_TIMER_ADAPTER_CAP_INTERNAL_PORT;
> +	*ops = &timvf_ops;
> +	return -EINVAL;
> +}
> +enum timvf_clk_src {
> +	TIM_CLK_SRC_SCLK,

See above comment.

> +	TIM_CLK_SRC_GPIO,
> +	TIM_CLK_SRC_GTI,
> +	TIM_CLK_SRC_PTP,
> +};
> +
> +struct timvf_meta {
> +	bkt_id get_target_bkt;
> +	refill_chunk refill_chunk;
> +	struct rte_reciprocal_u64 fast_div;
> +	uint64_t ring_start_cyc;
> +	uint32_t nb_bkts;
> +	struct tim_mem_bucket *bkt;
> +	void *chunk_pool;
> +	uint64_t tck_int;
> +};
> +
> +struct timvf_ring {
> +	struct timvf_meta meta;

IMO, Additional 'meta' indirection can be avoid to reduce the code
clutter.

> +	uint64_t tck_nsec;
> +	void  *vbar0;
> +	void *bkt_pos;
> +	uint64_t max_tout;
> +	uint64_t nb_chunks;
> +	enum timvf_clk_src clk_src;
> +	uint16_t tim_ring_id;
> +} __rte_cache_aligned;
> +

  reply	other threads:[~2018-04-08  7:39 UTC|newest]

Thread overview: 76+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-02-16 21:36 [dpdk-dev] [PATCH 0/9] event/octeontx: add event timer adapter driver Pavan Nikhilesh
2018-02-16 21:36 ` [dpdk-dev] [PATCH 01/10] eal: add API to align variable to previous power of 2 Pavan Nikhilesh
2018-02-17  4:49   ` Jerin Jacob
2018-02-16 21:36 ` [dpdk-dev] [PATCH 02/10] mempool/octeontx: probe timvf PCIe devices Pavan Nikhilesh
2018-02-17  4:54   ` Jerin Jacob
2018-02-19  9:19     ` Pavan Nikhilesh
2018-02-16 21:36 ` [dpdk-dev] [PATCH 03/10] event/octeontx: add support to create and free timer adapter Pavan Nikhilesh
2018-02-16 21:36 ` [dpdk-dev] [PATCH 04/10] event/octeontx: add support to start and stop timer device Pavan Nikhilesh
2018-02-16 21:36 ` [dpdk-dev] [PATCH 05/10] event/octeontx: add support for arm and cancel Pavan Nikhilesh
2018-02-16 21:36 ` [dpdk-dev] [PATCH 06/10] event/octeontx: add single producer timer arm variant Pavan Nikhilesh
2018-03-07 19:41   ` Carrillo, Erik G
2018-02-16 21:36 ` [dpdk-dev] [PATCH 07/10] event/octeontx: optimize timer adapter resolution parameters Pavan Nikhilesh
2018-02-17  5:06   ` Jerin Jacob
2018-02-19  9:34     ` Pavan Nikhilesh
2018-02-16 21:36 ` [dpdk-dev] [PATCH 08/10] event/octeontx: add option to use fpavf as chunk pool Pavan Nikhilesh
2018-02-18 11:42   ` santosh
2018-02-19  9:15     ` Pavan Nikhilesh
2018-02-23 20:17   ` Carrillo, Erik G
2018-02-26 19:25     ` Pavan Nikhilesh
2018-02-16 21:36 ` [dpdk-dev] [PATCH 09/10] event/octeontx: add timer adapter SW traversal routine Pavan Nikhilesh
2018-02-17  5:01   ` Jerin Jacob
2018-02-16 21:37 ` [dpdk-dev] [PATCH 10/10] maintainers: claim responsibility for octeontx timvf Pavan Nikhilesh
2018-02-17  5:03   ` Jerin Jacob
2018-03-14 13:52 ` [dpdk-dev] [PATCH v2 00/11] event/octeontx: add event timer adapter driver Pavan Nikhilesh
2018-03-14 13:52   ` [dpdk-dev] [PATCH v2 01/11] mempool/octeontx: probe timvf PCIe devices Pavan Nikhilesh
2018-03-14 13:52   ` [dpdk-dev] [PATCH v2 02/11] usertools: add Cavium TIM as an event device Pavan Nikhilesh
2018-03-14 13:52   ` [dpdk-dev] [PATCH v2 03/11] event/octeontx: add support to create and free timer adapter Pavan Nikhilesh
2018-03-14 13:52   ` [dpdk-dev] [PATCH v2 04/11] event/octeontx: add support to start and stop timer device Pavan Nikhilesh
2018-03-14 13:52   ` [dpdk-dev] [PATCH v2 05/11] event/octeontx: add multiproducer timer arm and cancel Pavan Nikhilesh
2018-03-14 13:52   ` [dpdk-dev] [PATCH v2 06/11] event/octeontx: add single producer timer arm variant Pavan Nikhilesh
2018-03-14 13:52   ` [dpdk-dev] [PATCH v2 07/11] event/octeontx: add burst mode for timer arm Pavan Nikhilesh
2018-03-14 13:52   ` [dpdk-dev] [PATCH v2 08/11] event/octeontx: optimize timer adapter resolution parameters Pavan Nikhilesh
2018-03-14 13:52   ` [dpdk-dev] [PATCH v2 09/11] event/octeontx: add option to use fpavf as chunk pool Pavan Nikhilesh
2018-03-14 13:52   ` [dpdk-dev] [PATCH v2 10/11] doc: update eventdev OcteonTx documentation Pavan Nikhilesh
2018-03-14 13:52   ` [dpdk-dev] [PATCH v2 11/11] maintainers: claim responsibility for octeontx timvf Pavan Nikhilesh
2018-04-03 15:05 ` [dpdk-dev] [PATCH v3 00/12] event/octeontx: add event timer adapter driver Pavan Nikhilesh
2018-04-03 15:05   ` [dpdk-dev] [PATCH v3 01/12] mempool/octeontx: probe timvf PCIe devices Pavan Nikhilesh
2018-04-08  2:19     ` Jerin Jacob
2018-04-03 15:05   ` [dpdk-dev] [PATCH v3 02/12] usertools: add Cavium TIM as an event device Pavan Nikhilesh
2018-04-08  3:23     ` Jerin Jacob
2018-04-03 15:05   ` [dpdk-dev] [PATCH v3 03/12] event/octeontx: add support to create and free timer adapter Pavan Nikhilesh
2018-04-08  7:39     ` Jerin Jacob [this message]
2018-04-03 15:05   ` [dpdk-dev] [PATCH v3 04/12] event/octeontx: add support to start and stop timer device Pavan Nikhilesh
2018-04-08  7:47     ` Jerin Jacob
2018-04-03 15:05   ` [dpdk-dev] [PATCH v3 05/12] event/octeontx: add event timer stats get and reset Pavan Nikhilesh
2018-04-04  1:59     ` Carrillo, Erik G
2018-04-08  7:52     ` Jerin Jacob
2018-04-03 15:05   ` [dpdk-dev] [PATCH v3 06/12] event/octeontx: add multiproducer timer arm and cancel Pavan Nikhilesh
2018-04-08  7:59     ` Jerin Jacob
2018-04-03 15:05   ` [dpdk-dev] [PATCH v3 07/12] event/octeontx: add single producer timer arm variant Pavan Nikhilesh
2018-04-03 15:05   ` [dpdk-dev] [PATCH v3 08/12] event/octeontx: add burst mode for timer arm Pavan Nikhilesh
2018-04-04  2:15     ` Carrillo, Erik G
2018-04-08  8:06     ` Jerin Jacob
2018-04-03 15:05   ` [dpdk-dev] [PATCH v3 09/12] event/octeontx: optimize timer adapter resolution parameters Pavan Nikhilesh
2018-04-08  8:09     ` Jerin Jacob
2018-04-03 15:05   ` [dpdk-dev] [PATCH v3 10/12] event/octeontx: add option to use fpavf as chunk pool Pavan Nikhilesh
2018-04-03 15:05   ` [dpdk-dev] [PATCH v3 11/12] doc: update eventdev OcteonTx documentation Pavan Nikhilesh
2018-04-04  2:19     ` Carrillo, Erik G
2018-04-08  8:13     ` Jerin Jacob
2018-04-03 15:05   ` [dpdk-dev] [PATCH v3 12/12] maintainers: claim responsibility for octeontx timvf Pavan Nikhilesh
2018-04-08  8:15     ` Jerin Jacob
2018-04-08  2:55   ` [dpdk-dev] [PATCH v3 00/12] event/octeontx: add event timer adapter driver Jerin Jacob
2018-04-08  8:58     ` Pavan Nikhilesh
2018-04-09 21:00 ` [dpdk-dev] [PATCH v4 00/11] " Pavan Nikhilesh
2018-04-09 21:00   ` [dpdk-dev] [PATCH v4 01/11] usertools: add Cavium TIM as an event device Pavan Nikhilesh
2018-04-09 21:00   ` [dpdk-dev] [PATCH v4 02/11] event/octeontx: add support to probe timvf PCIe devices Pavan Nikhilesh
2018-04-09 21:00   ` [dpdk-dev] [PATCH v4 03/11] event/octeontx: add support to create and free timer adapter Pavan Nikhilesh
2018-04-09 21:00   ` [dpdk-dev] [PATCH v4 04/11] event/octeontx: add support to start and stop timer device Pavan Nikhilesh
2018-04-09 21:00   ` [dpdk-dev] [PATCH v4 05/11] event/octeontx: add event timer stats get and reset Pavan Nikhilesh
2018-04-09 21:00   ` [dpdk-dev] [PATCH v4 06/11] event/octeontx: add multiproducer timer arm and cancel Pavan Nikhilesh
2018-04-09 21:00   ` [dpdk-dev] [PATCH v4 07/11] event/octeontx: add single producer timer arm variant Pavan Nikhilesh
2018-04-09 21:00   ` [dpdk-dev] [PATCH v4 08/11] event/octeontx: add burst mode for timer arm Pavan Nikhilesh
2018-04-09 21:00   ` [dpdk-dev] [PATCH v4 09/11] event/octeontx: optimize timer adapter resolution parameters Pavan Nikhilesh
2018-04-09 21:00   ` [dpdk-dev] [PATCH v4 10/11] event/octeontx: add option to use fpavf as chunk pool Pavan Nikhilesh
2018-04-09 21:00   ` [dpdk-dev] [PATCH v4 11/11] doc: update eventdev OcteonTx documentation Pavan Nikhilesh
2018-04-12 12:30   ` [dpdk-dev] [PATCH v4 00/11] event/octeontx: add event timer adapter driver Jerin Jacob

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