[dpdk-dev] [PATCH v2] vfio: add hotplug support

Burakov, Anatoly anatoly.burakov at intel.com
Wed Mar 29 10:57:47 CEST 2017


Hi Alejandro,

> From: Alejandro Lucero [mailto:alejandro.lucero at netronome.com]
> Sent: Monday, March 27, 2017 11:56 AM
> To: Burakov, Anatoly <anatoly.burakov at intel.com>
> Cc: dev at dpdk.org
> Subject: [PATCH v2] vfio: add hotplug support
> 
> Current device hotplug is just supported by UIO managed devices.
> This patch adds same functionality with VFIO.
> 
> It has been validated through tests using IOMMU and also with VFIO and no-
> iommu mode.
> 
> Signed-off-by: Alejandro Lucero <alejandro.lucero at netronome.com>
> ---
>  app/Makefile                                     |   1 +
>  doc/guides/prog_guide/port_hotplug_framework.rst |   2 +-
>  doc/guides/rel_notes/release_17_05.rst           |   4 +
>  lib/librte_eal/common/eal_common_pci.c           |   2 +-
>  lib/librte_eal/linuxapp/eal/eal_pci.c            |   5 +-
>  lib/librte_eal/linuxapp/eal/eal_pci_init.h       |   3 +-
>  lib/librte_eal/linuxapp/eal/eal_pci_vfio.c       |  85 +++++++++-
>  lib/librte_eal/linuxapp/eal/eal_vfio.c           | 197 ++++++++++++++++++-----
>  lib/librte_eal/linuxapp/eal/eal_vfio.h           |  10 +-
>  lib/librte_eal/linuxapp/eal/eal_vfio_mp_sync.c   |  23 ++-
>  lib/librte_ether/rte_ethdev.c                    |   2 +-
>  11 files changed, 276 insertions(+), 58 deletions(-)
> 
> diff --git a/app/Makefile b/app/Makefile index 4b3a448..fe3fed1 100644
> --- a/app/Makefile
> +++ b/app/Makefile
> @@ -35,5 +35,6 @@ DIRS-$(CONFIG_RTE_TEST_PMD) += test-pmd
>  DIRS-$(CONFIG_RTE_APP_CRYPTO_PERF) += test-crypto-perf
>  DIRS-$(CONFIG_RTE_EXEC_ENV_LINUXAPP) += proc_info
>  DIRS-$(CONFIG_RTE_LIBRTE_PDUMP) += pdump
> +DIRS-y += multivf

I think an unrelated change has snuck into the patch?


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