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From: Ye Xiaolong <xiaolong.ye@intel.com>
To: Haiyue Wang <haiyue.wang@intel.com>
Cc: dev@dpdk.org, qi.z.zhang@intel.com, qiming.yang@intel.com,
	beilei.xing@intel.com, wei.zhao1@intel.com
Subject: Re: [dpdk-dev] [PATCH v2 1/7] net/iavf: stop the PCI probe in DCF mode
Date: Fri, 13 Mar 2020 13:27:51 +0800
Message-ID: <20200313052751.GC44839@intel.com> (raw)
In-Reply-To: <20200310065029.40966-2-haiyue.wang@intel.com>

On 03/10, Haiyue Wang wrote:
>A new DCF PMD will be introduced, which runs on Intel VF hardware, and
>it is a pure software design to control the advance functionality (such
>as switch, ACL) for rest of the VFs.
>
>So if the DCF (Device Config Function) mode is specified by the devarg
>'cap=dcf', then it will stop the PCI probe in the iavf PMD.
>
>Signed-off-by: Haiyue Wang <haiyue.wang@intel.com>
>---
> drivers/net/iavf/iavf_ethdev.c | 43 ++++++++++++++++++++++++++++++++++
> 1 file changed, 43 insertions(+)
>
>diff --git a/drivers/net/iavf/iavf_ethdev.c b/drivers/net/iavf/iavf_ethdev.c
>index 34913f9c4..c0b95e169 100644
>--- a/drivers/net/iavf/iavf_ethdev.c
>+++ b/drivers/net/iavf/iavf_ethdev.c
>@@ -1416,9 +1416,51 @@ iavf_dev_uninit(struct rte_eth_dev *dev)
> 	return 0;
> }
> 
>+static int
>+iavf_dcf_cap_check_handler(__rte_unused const char *key,
>+			   const char *value, __rte_unused void *opaque)
>+{
>+	if (strcmp(value, "dcf"))
>+		return -1;
>+
>+	return 0;
>+}
>+
>+static int
>+iavf_dcf_cap_selected(struct rte_devargs *devargs)
>+{
>+	struct rte_kvargs *kvlist;
>+	const char *key = "cap";
>+	int ret = 0;
>+
>+	if (devargs == NULL)
>+		return 0;
>+
>+	kvlist = rte_kvargs_parse(devargs->args, NULL);
>+	if (kvlist == NULL)
>+		return 0;
>+
>+	if (!rte_kvargs_count(kvlist, key))
>+		goto exit;
>+
>+	/* dcf capability selected when there's a key-value pair: cap=dcf */
>+	if (rte_kvargs_process(kvlist, key,
>+			       iavf_dcf_cap_check_handler, NULL) < 0)
>+		goto exit;
>+
>+	ret = 1;
>+
>+exit:
>+	rte_kvargs_free(kvlist);
>+	return ret;
>+}
>+
> static int eth_iavf_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
> 			     struct rte_pci_device *pci_dev)
> {
>+	if (iavf_dcf_cap_selected(pci_dev->device.devargs))
>+		return 1;
>+
> 	return rte_eth_dev_pci_generic_probe(pci_dev,
> 		sizeof(struct iavf_adapter), iavf_dev_init);
> }
>@@ -1439,6 +1481,7 @@ static struct rte_pci_driver rte_iavf_pmd = {
> RTE_PMD_REGISTER_PCI(net_iavf, rte_iavf_pmd);
> RTE_PMD_REGISTER_PCI_TABLE(net_iavf, pci_id_iavf_map);
> RTE_PMD_REGISTER_KMOD_DEP(net_iavf, "* igb_uio | vfio-pci");
>+RTE_PMD_REGISTER_PARAM_STRING(net_iavf, "cap=dcf");
> RTE_INIT(iavf_init_log)
> {
> 	iavf_logtype_init = rte_log_register("pmd.net.iavf.init");
>-- 
>2.25.1
>

Reviewed-by: Xiaolong Ye <xiaolong.ye@intel.com>

  reply index

Thread overview: 94+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-03-09 14:14 [dpdk-dev] [PATCH v1 0/4] add Intel DCF PMD support Haiyue Wang
2020-03-09 14:14 ` [dpdk-dev] [PATCH v1 1/4] net/iavf: stop the PCI probe in DCF mode Haiyue Wang
2020-03-09 15:38   ` Ye Xiaolong
2020-03-10  2:19     ` Wang, Haiyue
2020-03-10  3:37       ` Ye Xiaolong
2020-03-10  4:26         ` Wang, Haiyue
2020-03-23  1:50   ` Wu, Jingjing
2020-03-23  1:55     ` Wang, Haiyue
2020-03-09 14:14 ` [dpdk-dev] [PATCH v1 2/4] net/ice: export the DDP definition symbols Haiyue Wang
2020-03-09 16:25   ` Ye Xiaolong
2020-03-09 14:14 ` [dpdk-dev] [PATCH v1 3/4] net/ice: add the DCF framework Haiyue Wang
2020-03-10  4:17   ` Ye Xiaolong
2020-03-10  5:09     ` Wang, Haiyue
2020-03-10  5:23       ` Ye Xiaolong
2020-03-09 14:14 ` [dpdk-dev] [PATCH v1 4/4] doc: add release notes for Intel ice PMD Haiyue Wang
2020-03-09 15:22   ` Ye Xiaolong
2020-03-10  2:16     ` Wang, Haiyue
2020-03-09 15:36 ` [dpdk-dev] [PATCH v1 0/4] add Intel DCF PMD support David Marchand
2020-03-09 16:20   ` Ye Xiaolong
2020-03-09 17:57     ` Thomas Monjalon
2020-03-09 19:34       ` Kevin Traynor
2020-03-10  2:00         ` Wang, Haiyue
2020-03-10  7:48           ` Thomas Monjalon
2020-03-10  9:36             ` Ferruh Yigit
2020-03-10 14:11               ` Aaron Conole
2020-03-10 14:09   ` Aaron Conole
2020-03-10  6:50 ` [dpdk-dev] [PATCH v2 0/7] " Haiyue Wang
2020-03-10  6:50   ` [dpdk-dev] [PATCH v2 1/7] net/iavf: stop the PCI probe in DCF mode Haiyue Wang
2020-03-13  5:27     ` Ye Xiaolong [this message]
2020-03-10  6:50   ` [dpdk-dev] [PATCH v2 2/7] net/ice: add the DCF hardware initialization Haiyue Wang
2020-03-10  6:50   ` [dpdk-dev] [PATCH v2 3/7] net/ice: initiate to acquire the DCF capability Haiyue Wang
2020-03-13  5:51     ` Ye Xiaolong
2020-03-13  6:19       ` Wang, Haiyue
2020-03-13  6:04     ` Ye Xiaolong
2020-03-13  6:10       ` Wang, Haiyue
2020-03-10  6:50   ` [dpdk-dev] [PATCH v2 4/7] net/ice: handle the AdminQ command by DCF Haiyue Wang
2020-03-10  6:50   ` [dpdk-dev] [PATCH v2 5/7] net/ice: export the DDP definition symbols Haiyue Wang
2020-03-10  6:50   ` [dpdk-dev] [PATCH v2 6/7] net/ice: handle the PF initialization by DCF Haiyue Wang
2020-03-13  7:59     ` Ye Xiaolong
2020-03-13  8:03       ` Ye Xiaolong
2020-03-16  4:52       ` Wang, Haiyue
2020-03-13 14:06     ` Ye Xiaolong
2020-03-13 14:11       ` Wang, Haiyue
2020-03-10  6:50   ` [dpdk-dev] [PATCH v2 7/7] net/ice: get the VF hardware index in DCF Haiyue Wang
2020-03-13  7:01     ` Ye Xiaolong
2020-03-16  5:58       ` Wang, Haiyue
2020-03-13 16:19   ` [dpdk-dev] [PATCH v2 0/7] add Intel DCF PMD support Stillwell Jr, Paul M
2020-03-13 16:25     ` Wang, Haiyue
2020-03-13 16:50       ` Stillwell Jr, Paul M
2020-03-13 17:05         ` Wang, Haiyue
2020-03-13 17:47           ` Stillwell Jr, Paul M
2020-03-14  1:57             ` Wang, Haiyue
2020-03-15  1:49     ` Zhang, Qi Z
2020-03-16 18:54       ` Stillwell Jr, Paul M
2020-03-17  2:35         ` Wang, Haiyue
2020-03-16  5:52 ` [dpdk-dev] [PATCH v3 " Haiyue Wang
2020-03-16  5:52   ` [dpdk-dev] [PATCH v3 1/7] net/iavf: stop the PCI probe in DCF mode Haiyue Wang
2020-03-16  5:52   ` [dpdk-dev] [PATCH v3 2/7] net/ice: add the DCF hardware initialization Haiyue Wang
2020-03-16  5:52   ` [dpdk-dev] [PATCH v3 3/7] net/ice: acquire and disable the DCF capability Haiyue Wang
2020-03-16  5:52   ` [dpdk-dev] [PATCH v3 4/7] net/ice: handle the AdminQ command by DCF Haiyue Wang
2020-03-16  5:52   ` [dpdk-dev] [PATCH v3 5/7] net/ice: export the DDP definition symbols Haiyue Wang
2020-03-16  5:52   ` [dpdk-dev] [PATCH v3 6/7] net/ice: handle the PF initialization by DCF Haiyue Wang
2020-03-16  5:52   ` [dpdk-dev] [PATCH v3 7/7] net/ice: get the VF hardware index in DCF Haiyue Wang
2020-03-26  3:03 ` [dpdk-dev] [PATCH v4 0/7] add Intel DCF PMD support Haiyue Wang
2020-03-26  3:03   ` [dpdk-dev] [PATCH v4 1/7] net/iavf: stop the PCI probe in DCF mode Haiyue Wang
2020-03-26  3:28     ` Wu, Jingjing
2020-03-26  3:03   ` [dpdk-dev] [PATCH v4 2/7] net/ice: add the DCF hardware initialization Haiyue Wang
2020-03-26  3:03   ` [dpdk-dev] [PATCH v4 3/7] net/ice: acquire and disable the DCF capability Haiyue Wang
2020-03-26  3:03   ` [dpdk-dev] [PATCH v4 4/7] net/ice: handle the AdminQ command by DCF Haiyue Wang
2020-03-26  3:03   ` [dpdk-dev] [PATCH v4 5/7] net/ice: export the DDP definition symbols Haiyue Wang
2020-03-26  3:03   ` [dpdk-dev] [PATCH v4 6/7] net/ice: handle the PF initialization by DCF Haiyue Wang
2020-03-26  3:03   ` [dpdk-dev] [PATCH v4 7/7] net/ice: get the VF hardware index in DCF Haiyue Wang
2020-03-26  4:11   ` [dpdk-dev] [PATCH v4 0/7] add Intel DCF PMD support Zhang, Qi Z
2020-03-26  5:05   ` Ye Xiaolong
2020-03-26  5:26     ` Wang, Haiyue
2020-03-26  7:15 ` [dpdk-dev] [PATCH v5 " Haiyue Wang
2020-03-26  7:15   ` [dpdk-dev] [PATCH v5 1/7] net/iavf: stop the PCI probe in DCF mode Haiyue Wang
2020-03-26  7:15   ` [dpdk-dev] [PATCH v5 2/7] net/ice: add the DCF hardware initialization Haiyue Wang
2020-03-26  7:15   ` [dpdk-dev] [PATCH v5 3/7] net/ice: acquire and disable the DCF capability Haiyue Wang
2020-03-26  7:15   ` [dpdk-dev] [PATCH v5 4/7] net/ice: handle the AdminQ command by DCF Haiyue Wang
2020-03-26  7:15   ` [dpdk-dev] [PATCH v5 5/7] net/ice: export the DDP definition symbols Haiyue Wang
2020-03-26  7:15   ` [dpdk-dev] [PATCH v5 6/7] net/ice: handle the PF initialization by DCF Haiyue Wang
2020-03-26  7:15   ` [dpdk-dev] [PATCH v5 7/7] net/ice: get the VF hardware index in DCF Haiyue Wang
2020-03-27  2:56 ` [dpdk-dev] [PATCH v6 0/7] add Intel DCF PMD support Haiyue Wang
2020-03-27  2:56   ` [dpdk-dev] [PATCH v6 1/7] net/iavf: stop the PCI probe in DCF mode Haiyue Wang
2020-03-27  2:56   ` [dpdk-dev] [PATCH v6 2/7] net/ice: add the DCF hardware initialization Haiyue Wang
2020-03-31  8:50     ` Ferruh Yigit
2020-03-31 12:17       ` Wang, Haiyue
2020-03-27  2:56   ` [dpdk-dev] [PATCH v6 3/7] net/ice: acquire and disable the DCF capability Haiyue Wang
2020-03-27  2:56   ` [dpdk-dev] [PATCH v6 4/7] net/ice: handle the AdminQ command by DCF Haiyue Wang
2020-03-27  2:56   ` [dpdk-dev] [PATCH v6 5/7] net/ice: export the DDP definition symbols Haiyue Wang
2020-03-27  2:56   ` [dpdk-dev] [PATCH v6 6/7] net/ice: handle the PF initialization by DCF Haiyue Wang
2020-03-27  2:56   ` [dpdk-dev] [PATCH v6 7/7] net/ice: get the VF hardware index in DCF Haiyue Wang
2020-03-27 15:26   ` [dpdk-dev] [PATCH v6 0/7] add Intel DCF PMD support Ye Xiaolong

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