From: Thomas Monjalon <thomas@monjalon.net>
To: Yongseok Koh <yskoh@mellanox.com>
Cc: ferruh.yigit@intel.com, anatoly.burakov@intel.com,
shahafs@mellanox.com, dev@dpdk.org, stable@dpdk.org
Subject: Re: [dpdk-dev] [PATCH v2 1/2] bus/pci: add Mellanox kernel driver type
Date: Thu, 02 May 2019 10:10:35 +0200 [thread overview]
Message-ID: <1593707.DseZV921jT@xps> (raw)
Message-ID: <20190502081035.Z7ULVCjghqoqk7AObmQtACEyBol0Bky2R1nrvp2IQAA@z> (raw)
In-Reply-To: <20190502074357.32031-1-yskoh@mellanox.com>
02/05/2019 09:43, Yongseok Koh:
> Mellanox mlx4/5 PMD doesn't need to be detached from kernel driver and
> attached to VFIO/UIO. Control path still goes through the existing kernel
> drivers, which is mlx4_core/mlx5_core.
The real change here is to handle RTE_PCI_DRV_IOVA_AS_VA
with Mellanox kernel drivers.
It think it should be explained in the commit log,
because there is no other reason for not using RTE_KDRV_UNKNOWN.
> @@ -568,7 +571,8 @@ pci_one_device_has_iova_va(void)
> FOREACH_DRIVER_ON_PCIBUS(drv) {
> if (drv && drv->drv_flags & RTE_PCI_DRV_IOVA_AS_VA) {
> FOREACH_DEVICE_ON_PCIBUS(dev) {
> - if (dev->kdrv == RTE_KDRV_VFIO &&
> + if ((dev->kdrv == RTE_KDRV_VFIO ||
> + dev->kdrv == RTE_KDRV_NIC_MLX) &&
> rte_pci_match(drv, dev))
> return 1;
> }
next prev parent reply other threads:[~2019-05-02 8:10 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-05-02 1:44 [dpdk-dev] [PATCH] net/mlx: support IOVA VA mode Yongseok Koh
2019-05-02 1:44 ` Yongseok Koh
2019-05-02 7:31 ` Yongseok Koh
2019-05-02 7:31 ` Yongseok Koh
2019-05-02 7:43 ` [dpdk-dev] [PATCH v2 1/2] bus/pci: add Mellanox kernel driver type Yongseok Koh
2019-05-02 7:43 ` Yongseok Koh
2019-05-02 7:43 ` [dpdk-dev] [PATCH v2 2/2] net/mlx: support IOVA VA mode Yongseok Koh
2019-05-02 7:43 ` Yongseok Koh
2019-05-02 8:10 ` Thomas Monjalon [this message]
2019-05-02 8:10 ` [dpdk-dev] [PATCH v2 1/2] bus/pci: add Mellanox kernel driver type Thomas Monjalon
2019-05-02 9:07 ` [dpdk-dev] [PATCH v3 " Yongseok Koh
2019-05-02 9:07 ` Yongseok Koh
2019-05-02 9:07 ` [dpdk-dev] [PATCH v3 2/2] net/mlx: support IOVA VA mode Yongseok Koh
2019-05-02 9:07 ` Yongseok Koh
2019-05-02 13:06 ` Shahaf Shuler
2019-05-02 13:06 ` Shahaf Shuler
2019-06-03 22:39 ` [dpdk-dev] [PATCH v3 1/2] bus/pci: add Mellanox kernel driver type Thomas Monjalon
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