* [PATCH v2] net/virtio: unmap PCI device in secondary process [not found] <20220421111537.935333-1-yuanx.wang@intel.com> @ 2022-06-06 15:55 ` Yuan Wang 2022-06-06 9:24 ` Ling, WeiX 2022-06-20 3:37 ` Xia, Chenbo 0 siblings, 2 replies; 4+ messages in thread From: Yuan Wang @ 2022-06-06 15:55 UTC (permalink / raw) To: maxime.coquelin, chenbo.xia, dev Cc: jiayu.hu, xingguang.he, weix.ling, Yuan Wang, stable In multi-process, the secondary process will remap PCI during initialization, but the mapping is not removed in the uninit path, the device is not closed, and the device busy error will be reported when the device is hotplugged. This patch unmaps PCI device at secondary process uninitialization based on virtio_rempa_pci. Fixes: 36a7a2e7a53 ("net/virtio: move PCI device init in dedicated file") Cc: stable@dpdk.org Signed-off-by: Yuan Wang <yuanx.wang@intel.com> Tested-by: Wei Ling <weix.ling@intel.com> --- drivers/net/virtio/virtio_pci_ethdev.c | 12 +++++++++++- 1 file changed, 11 insertions(+), 1 deletion(-) diff --git a/drivers/net/virtio/virtio_pci_ethdev.c b/drivers/net/virtio/virtio_pci_ethdev.c index 54645dc62e..1f6bdeddda 100644 --- a/drivers/net/virtio/virtio_pci_ethdev.c +++ b/drivers/net/virtio/virtio_pci_ethdev.c @@ -122,10 +122,20 @@ static int eth_virtio_pci_uninit(struct rte_eth_dev *eth_dev) { int ret; + struct virtio_pci_dev *dev; + struct virtio_hw *hw; PMD_INIT_FUNC_TRACE(); - if (rte_eal_process_type() == RTE_PROC_SECONDARY) + if (rte_eal_process_type() == RTE_PROC_SECONDARY) { + dev = eth_dev->data->dev_private; + hw = &dev->hw; + + if (dev->modern) + rte_pci_unmap_device(RTE_ETH_DEV_TO_PCI(eth_dev)); + else + vtpci_legacy_ioport_unmap(hw); return 0; + } ret = virtio_dev_stop(eth_dev); virtio_dev_close(eth_dev); -- 2.25.1 ^ permalink raw reply [flat|nested] 4+ messages in thread
* RE: [PATCH v2] net/virtio: unmap PCI device in secondary process 2022-06-06 15:55 ` [PATCH v2] net/virtio: unmap PCI device in secondary process Yuan Wang @ 2022-06-06 9:24 ` Ling, WeiX 2022-06-20 3:37 ` Xia, Chenbo 1 sibling, 0 replies; 4+ messages in thread From: Ling, WeiX @ 2022-06-06 9:24 UTC (permalink / raw) To: Wang, YuanX, maxime.coquelin, Xia, Chenbo, dev Cc: Hu, Jiayu, He, Xingguang, stable > -----Original Message----- > From: Wang, YuanX <yuanx.wang@intel.com> > Sent: Monday, June 6, 2022 11:56 PM > To: maxime.coquelin@redhat.com; Xia, Chenbo <chenbo.xia@intel.com>; > dev@dpdk.org > Cc: Hu, Jiayu <jiayu.hu@intel.com>; He, Xingguang > <xingguang.he@intel.com>; Ling, WeiX <weix.ling@intel.com>; Wang, YuanX > <yuanx.wang@intel.com>; stable@dpdk.org > Subject: [PATCH v2] net/virtio: unmap PCI device in secondary process > > In multi-process, the secondary process will remap PCI during initialization, > but the mapping is not removed in the uninit path, the device is not closed, > and the device busy error will be reported when the device is hotplugged. > > This patch unmaps PCI device at secondary process uninitialization based on > virtio_rempa_pci. > > Fixes: 36a7a2e7a53 ("net/virtio: move PCI device init in dedicated file") > Cc: stable@dpdk.org > > Signed-off-by: Yuan Wang <yuanx.wang@intel.com> > Tested-by: Wei Ling <weix.ling@intel.com> > --- Tested-by: Wei Ling <weix.ling@intel.com> ^ permalink raw reply [flat|nested] 4+ messages in thread
* RE: [PATCH v2] net/virtio: unmap PCI device in secondary process 2022-06-06 15:55 ` [PATCH v2] net/virtio: unmap PCI device in secondary process Yuan Wang 2022-06-06 9:24 ` Ling, WeiX @ 2022-06-20 3:37 ` Xia, Chenbo 2022-06-20 9:53 ` Wang, YuanX 1 sibling, 1 reply; 4+ messages in thread From: Xia, Chenbo @ 2022-06-20 3:37 UTC (permalink / raw) To: Wang, YuanX, maxime.coquelin, dev Cc: Hu, Jiayu, He, Xingguang, Ling, WeiX, stable > -----Original Message----- > From: Wang, YuanX <yuanx.wang@intel.com> > Sent: Monday, June 6, 2022 11:56 PM > To: maxime.coquelin@redhat.com; Xia, Chenbo <chenbo.xia@intel.com>; > dev@dpdk.org > Cc: Hu, Jiayu <jiayu.hu@intel.com>; He, Xingguang <xingguang.he@intel.com>; > Ling, WeiX <weix.ling@intel.com>; Wang, YuanX <yuanx.wang@intel.com>; > stable@dpdk.org > Subject: [PATCH v2] net/virtio: unmap PCI device in secondary process > > In multi-process, the secondary process will remap PCI during > initialization, but the mapping is not removed in the uninit path, > the device is not closed, and the device busy error will be reported > when the device is hotplugged. > > This patch unmaps PCI device at secondary process uninitialization > based on virtio_rempa_pci. > > Fixes: 36a7a2e7a53 ("net/virtio: move PCI device init in dedicated file") This should be 12 digits, not 11 With this fixed: Reviewed-by: Chenbo Xia <chenbo.xia@intel.com> > Cc: stable@dpdk.org > > Signed-off-by: Yuan Wang <yuanx.wang@intel.com> > Tested-by: Wei Ling <weix.ling@intel.com> > --- > drivers/net/virtio/virtio_pci_ethdev.c | 12 +++++++++++- > 1 file changed, 11 insertions(+), 1 deletion(-) > > diff --git a/drivers/net/virtio/virtio_pci_ethdev.c > b/drivers/net/virtio/virtio_pci_ethdev.c > index 54645dc62e..1f6bdeddda 100644 > --- a/drivers/net/virtio/virtio_pci_ethdev.c > +++ b/drivers/net/virtio/virtio_pci_ethdev.c > @@ -122,10 +122,20 @@ static int > eth_virtio_pci_uninit(struct rte_eth_dev *eth_dev) > { > int ret; > + struct virtio_pci_dev *dev; > + struct virtio_hw *hw; > PMD_INIT_FUNC_TRACE(); > > - if (rte_eal_process_type() == RTE_PROC_SECONDARY) > + if (rte_eal_process_type() == RTE_PROC_SECONDARY) { > + dev = eth_dev->data->dev_private; > + hw = &dev->hw; > + > + if (dev->modern) > + rte_pci_unmap_device(RTE_ETH_DEV_TO_PCI(eth_dev)); > + else > + vtpci_legacy_ioport_unmap(hw); > return 0; > + } > > ret = virtio_dev_stop(eth_dev); > virtio_dev_close(eth_dev); > -- > 2.25.1 ^ permalink raw reply [flat|nested] 4+ messages in thread
* RE: [PATCH v2] net/virtio: unmap PCI device in secondary process 2022-06-20 3:37 ` Xia, Chenbo @ 2022-06-20 9:53 ` Wang, YuanX 0 siblings, 0 replies; 4+ messages in thread From: Wang, YuanX @ 2022-06-20 9:53 UTC (permalink / raw) To: Xia, Chenbo, maxime.coquelin, dev Cc: Hu, Jiayu, He, Xingguang, Ling, WeiX, stable Hi Chenbo, > -----Original Message----- > From: Xia, Chenbo <chenbo.xia@intel.com> > Sent: Monday, June 20, 2022 11:38 AM > To: Wang, YuanX <yuanx.wang@intel.com>; maxime.coquelin@redhat.com; > dev@dpdk.org > Cc: Hu, Jiayu <jiayu.hu@intel.com>; He, Xingguang > <xingguang.he@intel.com>; Ling, WeiX <weix.ling@intel.com>; > stable@dpdk.org > Subject: RE: [PATCH v2] net/virtio: unmap PCI device in secondary process > > > -----Original Message----- > > From: Wang, YuanX <yuanx.wang@intel.com> > > Sent: Monday, June 6, 2022 11:56 PM > > To: maxime.coquelin@redhat.com; Xia, Chenbo <chenbo.xia@intel.com>; > > dev@dpdk.org > > Cc: Hu, Jiayu <jiayu.hu@intel.com>; He, Xingguang > > <xingguang.he@intel.com>; Ling, WeiX <weix.ling@intel.com>; Wang, > > YuanX <yuanx.wang@intel.com>; stable@dpdk.org > > Subject: [PATCH v2] net/virtio: unmap PCI device in secondary process > > > > In multi-process, the secondary process will remap PCI during > > initialization, but the mapping is not removed in the uninit path, the > > device is not closed, and the device busy error will be reported when > > the device is hotplugged. > > > > This patch unmaps PCI device at secondary process uninitialization > > based on virtio_rempa_pci. > > > > Fixes: 36a7a2e7a53 ("net/virtio: move PCI device init in dedicated > > file") > > This should be 12 digits, not 11 Thanks, will be fixed at the next version. Thanks, Yuan > > With this fixed: > > Reviewed-by: Chenbo Xia <chenbo.xia@intel.com> > > > Cc: stable@dpdk.org > > > > Signed-off-by: Yuan Wang <yuanx.wang@intel.com> > > Tested-by: Wei Ling <weix.ling@intel.com> > > --- > > drivers/net/virtio/virtio_pci_ethdev.c | 12 +++++++++++- > > 1 file changed, 11 insertions(+), 1 deletion(-) > > > > diff --git a/drivers/net/virtio/virtio_pci_ethdev.c > > b/drivers/net/virtio/virtio_pci_ethdev.c > > index 54645dc62e..1f6bdeddda 100644 > > --- a/drivers/net/virtio/virtio_pci_ethdev.c > > +++ b/drivers/net/virtio/virtio_pci_ethdev.c > > @@ -122,10 +122,20 @@ static int > > eth_virtio_pci_uninit(struct rte_eth_dev *eth_dev) { > > int ret; > > + struct virtio_pci_dev *dev; > > + struct virtio_hw *hw; > > PMD_INIT_FUNC_TRACE(); > > > > - if (rte_eal_process_type() == RTE_PROC_SECONDARY) > > + if (rte_eal_process_type() == RTE_PROC_SECONDARY) { > > + dev = eth_dev->data->dev_private; > > + hw = &dev->hw; > > + > > + if (dev->modern) > > + > rte_pci_unmap_device(RTE_ETH_DEV_TO_PCI(eth_dev)); > > + else > > + vtpci_legacy_ioport_unmap(hw); > > return 0; > > + } > > > > ret = virtio_dev_stop(eth_dev); > > virtio_dev_close(eth_dev); > > -- > > 2.25.1 ^ permalink raw reply [flat|nested] 4+ messages in thread
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2022-06-06 15:55 ` [PATCH v2] net/virtio: unmap PCI device in secondary process Yuan Wang
2022-06-06 9:24 ` Ling, WeiX
2022-06-20 3:37 ` Xia, Chenbo
2022-06-20 9:53 ` Wang, YuanX
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