I look through from web browser and not find following mail from Jianwei Ma <jianwei...@intel.com> Hope this can add his test result in the mail list to community.
> -----Original Message----- > From: Ma, Jianwei > Sent: Tuesday, October 10, 2017 4:47 PM > To: Dai, Wei <wei....@intel.com>; Lu, Wenzhuo <wenzhuo...@intel.com>; > Ananyev, Konstantin <konstantin.anan...@intel.com>; Liang, Cunming > <cunming.li...@intel.com> > Cc: dev@dpdk.org; sta...@dpdk.org > Subject: RE: [PATCH v2] net/ixgbe: fix VFIO interrupt mapping in VF > > Verified with l3fwd-power. It worked well with this patch plus > http://dpdk.org/dev/patchwork/patch/29000/ " [dpdk-dev] net/ixgbe: fix > Rx queue interrupt mapping in VF" > > -----Original Message----- > From: Dai, Wei > Sent: Tuesday, October 10, 2017 11:30 > To: Lu, Wenzhuo <wenzhuo...@intel.com>; Ananyev, Konstantin > <konstantin.anan...@intel.com>; Liang, Cunming > <cunming.li...@intel.com>; Ma, Jianwei <jianwei...@intel.com> > Cc: dev@dpdk.org; sta...@dpdk.org > Subject: RE: [PATCH v2] net/ixgbe: fix VFIO interrupt mapping in VF > > Hi, Jianwei > How about your test result ? > > Hi Wenzhuo > Would you please review this patch ? > > Thanks a lot ! > > > -----Original Message----- > > From: Dai, Wei > > Sent: Thursday, September 28, 2017 10:29 AM > > To: Lu, Wenzhuo <wenzhuo...@intel.com>; Ananyev, Konstantin > > <konstantin.anan...@intel.com>; Liang, Cunming > > <cunming.li...@intel.com>; Ma, Jianwei <jianwei...@intel.com> > > Cc: dev@dpdk.org; Dai, Wei <wei....@intel.com>; sta...@dpdk.org > > Subject: [PATCH v2] net/ixgbe: fix VFIO interrupt mapping in VF > > > > When a VF port is bound to VFIO-PIC, only miscellaneous interrupt is > > mapped to VFIO vector 0 in eth_ixgbevf_dev_init( ). > > In ixgbevf_dev_start(), if previous VFIO interrupt mapping set in > > eth_ixgbevf_dev_init( ) is not cleard, it will fail when calling > > rte_intr_enable( ) tries to map Rx queue interrupt to other VFIO > > vectors. This patch clears the VFIO interrupt mappings before setting > > both miscellaneous and Rx queue interrupt mappings again to avoid > failure. > > > > Fixes: 77234603fba0 ("net/ixgbe: support VF mailbox interrupt for link > > up/down") > > Cc: sta...@dpdk.org > > > > Signed-off-by: Wei Dai <wei....@intel.com> > Tested-by: Jianwei Ma <jianwei...@intel.com> > > --- > > drivers/net/ixgbe/ixgbe_ethdev.c | 9 +++++++++ > > 1 file changed, 9 insertions(+) > > > > diff --git a/drivers/net/ixgbe/ixgbe_ethdev.c > > b/drivers/net/ixgbe/ixgbe_ethdev.c > > index 9ca5cbc..f49c616 100644 > > --- a/drivers/net/ixgbe/ixgbe_ethdev.c > > +++ b/drivers/net/ixgbe/ixgbe_ethdev.c > > @@ -5046,6 +5046,15 @@ ixgbevf_dev_start(struct rte_eth_dev *dev) > > } > > ixgbevf_configure_msix(dev); > > > > + /* When a VF port is bound to VFIO-PCI, only miscellaneous interrupt > > + * is mapped to VFIO vector 0 in eth_ixgbevf_dev_init( ). > > + * If previous VFIO interrupt mapping setting in eth_ixgbevf_dev_init( ) > > + * is not cleared, it will fail when following rte_intr_enable( ) tries > > + * to map Rx queue interrupt to other VFIO vectors. > > + * So clear uio/vfio intr/evevnfd first to avoid failure. > > + */ > > + rte_intr_disable(intr_handle); > > + > > rte_intr_enable(intr_handle); > > > > /* Re-enable interrupt for VF */ > > -- > > 2.7.5
