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From: Shreyansh Jain <shreyansh.jain@nxp.com>
To: Gaetan Rivet <gaetan.rivet@6wind.com>
Cc: <dev@dpdk.org>
Subject: Re: [dpdk-dev] [PATCH v2 12/18] eal: add generic device declaration parameter
Date: Wed, 13 Dec 2017 19:56:42 +0530	[thread overview]
Message-ID: <d051e00f-42db-a4ac-00ea-adeb07934d76@nxp.com> (raw)
In-Reply-To: <c16edb4815d830679404fa1012b2989e3ba24f9c.1507796100.git.gaetan.rivet@6wind.com>

On Thursday 12 October 2017 01:51 PM, Gaetan Rivet wrote:
> Add a new generic device declaration parameter:
> 
>     --dev=<device_declaration>
> 

[...]

> 
> diff --git a/lib/librte_eal/common/eal_common_options.c b/lib/librte_eal/common/eal_common_options.c
> index 603df27..b7591fd 100644
> --- a/lib/librte_eal/common/eal_common_options.c
> +++ b/lib/librte_eal/common/eal_common_options.c
> @@ -95,6 +95,7 @@ eal_long_options[] = {
>   	{OPT_PROC_TYPE,         1, NULL, OPT_PROC_TYPE_NUM        },
>   	{OPT_SOCKET_MEM,        1, NULL, OPT_SOCKET_MEM_NUM       },
>   	{OPT_SYSLOG,            1, NULL, OPT_SYSLOG_NUM           },
> +	{OPT_DEV,               1, NULL, OPT_DEV_NUM              },
>   	{OPT_VDEV,              1, NULL, OPT_VDEV_NUM             },
>   	{OPT_VFIO_INTR,         1, NULL, OPT_VFIO_INTR_NUM        },
>   	{OPT_VMWARE_TSC_MAP,    0, NULL, OPT_VMWARE_TSC_MAP_NUM   },
> @@ -1120,6 +1121,21 @@ eal_parse_common_option(int opt, const char *optarg,
>   		}
>   		break;
>   
> +	case OPT_DEV_NUM: {
> +		struct rte_devargs da;
> +		int ret;
> +
> +		if (rte_eal_devargs_parse(&da, optarg) < 0)
> +			return -1;
> +		ret = rte_bus_probe_mode_set(da.bus->name,
> +					RTE_BUS_PROBE_WHITELIST);
> +		if (ret < 0 && ret != -ENOTSUP)
> +			return -1;
> +		if (eal_option_device_add(NULL, optarg) < 0)
> +			return -1;
> +	}

Might be a naive question: Any specific reason why we don't add the 
devices directly into devargs_list here (eal_parse_args -> 
eal_parse_common_option -> OPT_DEV ->) rather than wait for eal to call 
eal_option_device_parse again?

Is it to allow eal_plugins_init() to finish?

> +		break;
> +
>   	case OPT_VDEV_NUM:
>   		if (eal_option_device_add("vdev", optarg) < 0)
>   			return -1;

[...]

  reply	other threads:[~2017-12-13 14:13 UTC|newest]

Thread overview: 91+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-08-25 16:07 [dpdk-dev] [PATCH 0/6] devargs cleanup Gaetan Rivet
2017-08-25 16:07 ` [dpdk-dev] [PATCH 1/6] devargs: introduce iterator Gaetan Rivet
2017-08-25 16:07 ` [dpdk-dev] [PATCH 2/6] devargs: introduce foreach macro Gaetan Rivet
2017-08-25 16:07 ` [dpdk-dev] [PATCH 3/6] vdev: do not reference devargs_list Gaetan Rivet
2017-08-25 16:07 ` [dpdk-dev] [PATCH 4/6] bus/pci: " Gaetan Rivet
2017-08-25 16:07 ` [dpdk-dev] [PATCH 5/6] test: remove rte_devargs unit tests Gaetan Rivet
2017-08-25 16:07 ` [dpdk-dev] [PATCH 6/6] devargs: make devargs_list private Gaetan Rivet
2017-10-12  8:21 ` [dpdk-dev] [PATCH v2 00/18] devargs cleanup Gaetan Rivet
2017-10-12  8:21   ` [dpdk-dev] [PATCH v2 01/18] eal: prepend busname on legacy device declaration Gaetan Rivet
2017-12-11 13:57     ` Shreyansh Jain
2017-10-12  8:21   ` [dpdk-dev] [PATCH v2 02/18] eal: remove generic devtype Gaetan Rivet
2017-10-17 18:16     ` Aaron Conole
2017-10-18  8:20       ` Gaëtan Rivet
2017-10-12  8:21   ` [dpdk-dev] [PATCH v2 03/18] devargs: introduce iterator Gaetan Rivet
2017-10-12  8:21   ` [dpdk-dev] [PATCH v2 04/18] devargs: introduce foreach macro Gaetan Rivet
2017-10-12  8:21   ` [dpdk-dev] [PATCH v2 05/18] vdev: do not reference devargs list Gaetan Rivet
2017-10-12  8:21   ` [dpdk-dev] [PATCH v2 06/18] bus/pci: " Gaetan Rivet
2017-10-12  8:21   ` [dpdk-dev] [PATCH v2 07/18] test: remove devargs unit tests Gaetan Rivet
2017-10-12  8:21   ` [dpdk-dev] [PATCH v2 08/18] devargs: make devargs list private Gaetan Rivet
2017-10-12  8:21   ` [dpdk-dev] [PATCH v2 09/18] devargs: make parsing variadic Gaetan Rivet
2017-10-12  8:21   ` [dpdk-dev] [PATCH v2 10/18] devargs: require bus name prefix Gaetan Rivet
2017-10-12  8:21   ` [dpdk-dev] [PATCH v2 11/18] devargs: simplify implementation Gaetan Rivet
2017-10-16 11:39     ` Shreyansh Jain
2017-10-16 11:42       ` Shreyansh Jain
2017-10-16 13:42         ` Gaëtan Rivet
2017-10-17  5:58           ` Shreyansh Jain
2017-10-12  8:21   ` [dpdk-dev] [PATCH v2 12/18] eal: add generic device declaration parameter Gaetan Rivet
2017-12-13 14:26     ` Shreyansh Jain [this message]
2017-12-13 14:47       ` Gaëtan Rivet
2017-12-13 15:24         ` Shreyansh Jain
2017-10-12  8:21   ` [dpdk-dev] [PATCH v2 13/18] bus: make device recognition function public Gaetan Rivet
2017-10-12  8:21   ` [dpdk-dev] [PATCH v2 14/18] net/failsafe: keep legacy sub-device declaration Gaetan Rivet
2017-10-12  8:21   ` [dpdk-dev] [PATCH v2 15/18] ether: use new devargs parsing function Gaetan Rivet
2017-10-12  8:21   ` [dpdk-dev] [PATCH v2 16/18] devargs: remove old " Gaetan Rivet
2017-10-12  8:21   ` [dpdk-dev] [PATCH v2 17/18] devargs: use proper prefix Gaetan Rivet
2017-10-12  8:21   ` [dpdk-dev] [PATCH v2 18/18] doc: remove devargs deprecation notices Gaetan Rivet
2017-10-12 11:28     ` Mcnamara, John
2017-12-13 10:17     ` Shreyansh Jain
2017-12-13 10:25       ` Gaëtan Rivet
2017-12-13 10:54         ` Shreyansh Jain
2017-12-22  4:59           ` Shreyansh Jain
2017-12-22  8:33             ` Gaëtan Rivet
2017-10-17 18:18   ` [dpdk-dev] [PATCH v2 00/18] devargs cleanup Aaron Conole
2017-10-18  8:36     ` Gaëtan Rivet
2018-03-20 23:20   ` [dpdk-dev] [PATCH v3 00/10] " Gaetan Rivet
2018-03-20 23:20     ` [dpdk-dev] [PATCH v3 01/10] devargs: introduce iterator Gaetan Rivet
2018-03-21  5:43       ` Tan, Jianfeng
2018-03-21  8:50         ` Gaëtan Rivet
2018-03-20 23:20     ` [dpdk-dev] [PATCH v3 02/10] devargs: introduce foreach macro Gaetan Rivet
2018-04-22 21:42       ` Thomas Monjalon
2018-03-20 23:20     ` [dpdk-dev] [PATCH v3 03/10] bus/vdev: do not reference devargs list Gaetan Rivet
2018-03-21  5:41       ` Tan, Jianfeng
2018-03-20 23:20     ` [dpdk-dev] [PATCH v3 04/10] bus/pci: " Gaetan Rivet
2018-03-20 23:20     ` [dpdk-dev] [PATCH v3 05/10] net/vdev_netvsc: " Gaetan Rivet
2018-03-20 23:20     ` [dpdk-dev] [PATCH v3 06/10] test: remove devargs unit tests Gaetan Rivet
2018-03-20 23:20     ` [dpdk-dev] [PATCH v3 07/10] devargs: make devargs list private Gaetan Rivet
2018-04-22 21:46       ` Thomas Monjalon
2018-03-20 23:20     ` [dpdk-dev] [PATCH v3 08/10] devargs: make parsing variadic Gaetan Rivet
2018-04-22 21:52       ` Thomas Monjalon
2018-03-20 23:20     ` [dpdk-dev] [PATCH v3 09/10] devargs: use proper namespace prefix Gaetan Rivet
2018-03-20 23:20     ` [dpdk-dev] [PATCH v3 10/10] devargs: rename legacy API Gaetan Rivet
2018-04-22 22:00     ` [dpdk-dev] [PATCH v3 00/10] devargs cleanup Thomas Monjalon
2018-04-23 22:41 ` [dpdk-dev] [PATCH v4 " Gaetan Rivet
2018-04-23 22:41   ` [dpdk-dev] [PATCH v4 01/10] devargs: introduce iterator Gaetan Rivet
2018-04-23 23:54     ` Stephen Hemminger
2018-04-24 10:22       ` Gaëtan Rivet
2018-04-23 22:41   ` [dpdk-dev] [PATCH v4 02/10] devargs: introduce foreach macro Gaetan Rivet
2018-04-23 23:56     ` Stephen Hemminger
2018-04-24 10:26       ` Gaëtan Rivet
2018-04-23 22:41   ` [dpdk-dev] [PATCH v4 03/10] bus/vdev: do not reference devargs list Gaetan Rivet
2018-04-23 22:41   ` [dpdk-dev] [PATCH v4 04/10] bus/pci: " Gaetan Rivet
2018-04-23 22:41   ` [dpdk-dev] [PATCH v4 05/10] net/vdev_netvsc: " Gaetan Rivet
2018-04-23 22:41   ` [dpdk-dev] [PATCH v4 06/10] test: remove devargs unit tests Gaetan Rivet
2018-04-23 22:41   ` [dpdk-dev] [PATCH v4 07/10] devargs: make devargs list private Gaetan Rivet
2018-04-23 22:41   ` [dpdk-dev] [PATCH v4 08/10] devargs: make parsing variadic Gaetan Rivet
2018-04-23 22:41   ` [dpdk-dev] [PATCH v4 09/10] devargs: use proper namespace prefix Gaetan Rivet
2018-04-23 22:41   ` [dpdk-dev] [PATCH v4 10/10] devargs: rename legacy API Gaetan Rivet
2018-04-23 23:54 ` [dpdk-dev] [PATCH v5 00/10] devargs cleanup Gaetan Rivet
2018-04-23 23:54   ` [dpdk-dev] [PATCH v5 01/10] devargs: introduce iterator Gaetan Rivet
2018-04-23 23:54   ` [dpdk-dev] [PATCH v5 02/10] bus/vdev: do not reference devargs list Gaetan Rivet
2018-04-23 23:54   ` [dpdk-dev] [PATCH v5 03/10] bus/pci: " Gaetan Rivet
2018-04-23 23:54   ` [dpdk-dev] [PATCH v5 04/10] net/vdev_netvsc: " Gaetan Rivet
2018-04-23 23:54   ` [dpdk-dev] [PATCH v5 05/10] test: remove devargs unit tests Gaetan Rivet
2018-04-25  0:45     ` Thomas Monjalon
2018-04-23 23:54   ` [dpdk-dev] [PATCH v5 06/10] devargs: make devargs list private Gaetan Rivet
2018-04-23 23:54   ` [dpdk-dev] [PATCH v5 07/10] devargs: make parsing variadic Gaetan Rivet
2018-04-23 23:54   ` [dpdk-dev] [PATCH v5 08/10] devargs: update devargs add documentation Gaetan Rivet
2018-04-23 23:54   ` [dpdk-dev] [PATCH v5 09/10] devargs: use proper namespace prefix Gaetan Rivet
2018-04-23 23:54   ` [dpdk-dev] [PATCH v5 10/10] devargs: rename legacy API Gaetan Rivet
2018-04-25  1:51     ` Thomas Monjalon
2018-04-25  1:57   ` [dpdk-dev] [PATCH v5 00/10] devargs cleanup Thomas Monjalon

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