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From: David Marchand <david.marchand@redhat.com>
To: Shahaf Shuler <shahafs@mellanox.com>,
	anatoly.burakov@intel.com, yskoh@mellanox.com,
	thomas@monjalon.net, ferruh.yigit@intel.com,
	nhorman@tuxdriver.com, gaetan.rivet@6wind.com
Cc: dev@dpdk.org
Subject: Re: [dpdk-dev] [PATCH v4 6/6] doc: deprecation notice for VFIO DMA map APIs
Date: Tue, 1 Oct 2019 17:20:05 +0200	[thread overview]
Message-ID: <59222af3-d9f1-6f92-f313-1f04402efd86@redhat.com> (raw)
In-Reply-To: <d54263002571f20748dcce86b0fe5da975e7e7e5.1552206211.git.shahafs@mellanox.com>

Hello Shahaf,

On 10/03/2019 09:28, Shahaf Shuler wrote:
> As those should be replaced by rte_dev_dma_map and rte_dev_dma_unmap
> APIs.
> 
> Signed-off-by: Shahaf Shuler <shahafs@mellanox.com>
> ---
>  doc/guides/prog_guide/env_abstraction_layer.rst | 2 +-
>  doc/guides/rel_notes/deprecation.rst            | 4 ++++
>  2 files changed, 5 insertions(+), 1 deletion(-)
> 
> diff --git a/doc/guides/prog_guide/env_abstraction_layer.rst b/doc/guides/prog_guide/env_abstraction_layer.rst
> index 929d76dba7..ec2fe65523 100644
> --- a/doc/guides/prog_guide/env_abstraction_layer.rst
> +++ b/doc/guides/prog_guide/env_abstraction_layer.rst
> @@ -282,7 +282,7 @@ The expected workflow is as follows:
>      - If IOVA table is not specified, IOVA addresses will be assumed to be
>        unavailable
>      - Other processes must attach to the memory area before they can use it
> -* Perform DMA mapping with ``rte_vfio_dma_map`` if needed
> +* Perform DMA mapping with ``rte_dev_dma_map`` if needed
>  * Use the memory area in your application
>  * If memory area is no longer needed, it can be unregistered
>      - If the area was mapped for DMA, unmapping must be performed before
> diff --git a/doc/guides/rel_notes/deprecation.rst b/doc/guides/rel_notes/deprecation.rst
> index 1b4fcb7e64..48ec4fee88 100644
> --- a/doc/guides/rel_notes/deprecation.rst
> +++ b/doc/guides/rel_notes/deprecation.rst
> @@ -35,6 +35,10 @@ Deprecation Notices
>  
>      + ``rte_eal_devargs_type_count``
>  
> +* vfio: removal of ``rte_vfio_dma_map`` and ``rte_vfio_dma_unmap`` APIs which
> +  have been replaced with ``rte_dev_dma_map`` and ``rte_dev_dma_unmap``
> +  functions.  The due date for the removal targets DPDK 20.02.
> +
>  * pci: Several exposed functions are misnamed.
>    The following functions are deprecated starting from v17.11 and are replaced:
>  
> 

With the ABI freeze that is going to happen in 19.11, this can't happen
in 20.02.

What would work best from your pov?

I can't see any in-tree user of rte_vfio_dma_*map, do you know of users
of this api?


Thanks.

-- 
David Marchand


  parent reply	other threads:[~2019-10-01 15:20 UTC|newest]

Thread overview: 79+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-02-13  9:10 [dpdk-dev] [PATCH 0/6] introduce DMA memory mapping for external memory Shahaf Shuler
2019-02-13  9:10 ` [dpdk-dev] [PATCH 1/6] vfio: allow DMA map of memory for the default vfio fd Shahaf Shuler
2019-02-13  9:45   ` Gaëtan Rivet
2019-02-13 11:38     ` Gaëtan Rivet
2019-02-13 15:23     ` Shahaf Shuler
2019-02-13 14:41   ` Burakov, Anatoly
2019-02-13  9:10 ` [dpdk-dev] [PATCH 2/6] vfio: don't fail to DMA map if memory is already mapped Shahaf Shuler
2019-02-13  9:58   ` Gaëtan Rivet
2019-02-13 19:52     ` Shahaf Shuler
2019-02-13  9:10 ` [dpdk-dev] [PATCH 3/6] bus: introduce DMA memory mapping for external memory Shahaf Shuler
2019-02-13 11:17   ` Gaëtan Rivet
2019-02-13 19:07     ` Shahaf Shuler
2019-02-14 14:00       ` Gaëtan Rivet
2019-02-17  6:23         ` Shahaf Shuler
2019-02-13  9:10 ` [dpdk-dev] [PATCH 4/6] net/mlx5: refactor external memory registration Shahaf Shuler
2019-02-13  9:10 ` [dpdk-dev] [PATCH 5/6] net/mlx5: support PCI device DMA map and unmap Shahaf Shuler
2019-02-13 11:35   ` Gaëtan Rivet
2019-02-13 11:44     ` Gaëtan Rivet
2019-02-13 19:11       ` Shahaf Shuler
2019-02-14 10:21         ` Gaëtan Rivet
2019-02-21  9:21           ` Shahaf Shuler
2019-02-13  9:10 ` [dpdk-dev] [PATCH 6/6] doc: deprecate VFIO DMA map APIs Shahaf Shuler
2019-02-13 11:43 ` [dpdk-dev] [PATCH 0/6] introduce DMA memory mapping for external memory Alejandro Lucero
2019-02-13 19:24   ` Shahaf Shuler
2019-02-14 10:19     ` Burakov, Anatoly
2019-02-14 13:28       ` Shahaf Shuler
2019-02-14 16:19         ` Burakov, Anatoly
2019-02-17  6:18           ` Shahaf Shuler
2019-02-18 12:21             ` Burakov, Anatoly
2019-02-14 12:22     ` Alejandro Lucero
2019-02-14 12:27       ` Alejandro Lucero
2019-02-14 13:41       ` Shahaf Shuler
2019-02-14 16:43         ` Burakov, Anatoly
2019-02-21 14:50 ` [dpdk-dev] [PATCH v2 " Shahaf Shuler
2019-03-05 13:59   ` [dpdk-dev] [PATCH v3 " Shahaf Shuler
2019-03-10  8:27     ` [dpdk-dev] [PATCH v4 " Shahaf Shuler
2019-03-10  8:27       ` [dpdk-dev] [PATCH v4 1/6] vfio: allow DMA map of memory for the default vfio fd Shahaf Shuler
2019-03-30  0:23         ` Thomas Monjalon
2019-03-30  0:23           ` Thomas Monjalon
2019-03-30 14:29           ` Thomas Monjalon
2019-03-30 14:29             ` Thomas Monjalon
2019-03-10  8:27       ` [dpdk-dev] [PATCH v4 2/6] vfio: don't fail to DMA map if memory is already mapped Shahaf Shuler
2019-03-10  8:28       ` [dpdk-dev] [PATCH v4 3/6] bus: introduce device level DMA memory mapping Shahaf Shuler
2019-03-11 10:19         ` Burakov, Anatoly
2019-03-13  9:56         ` Thomas Monjalon
2019-03-13 11:12           ` Shahaf Shuler
2019-03-13 11:19             ` Thomas Monjalon
2019-03-13 11:47               ` Burakov, Anatoly
2019-03-30 14:36             ` Thomas Monjalon
2019-03-30 14:36               ` Thomas Monjalon
2019-03-10  8:28       ` [dpdk-dev] [PATCH v4 4/6] net/mlx5: refactor external memory registration Shahaf Shuler
2019-03-10  8:28       ` [dpdk-dev] [PATCH v4 5/6] net/mlx5: support PCI device DMA map and unmap Shahaf Shuler
2019-03-10  8:28       ` [dpdk-dev] [PATCH v4 6/6] doc: deprecation notice for VFIO DMA map APIs Shahaf Shuler
2019-03-11 10:20         ` Burakov, Anatoly
2019-03-11 17:35           ` Rami Rosen
2019-10-01 15:20         ` David Marchand [this message]
2019-10-02  4:53           ` Shahaf Shuler
2019-10-02  7:51             ` David Marchand
2019-03-11  9:27       ` [dpdk-dev] [PATCH v4 0/6] introduce DMA memory mapping for external memory Gaëtan Rivet
2019-03-30 14:40       ` Thomas Monjalon
2019-03-30 14:40         ` Thomas Monjalon
2019-03-05 13:59   ` [dpdk-dev] [PATCH v3 1/6] vfio: allow DMA map of memory for the default vfio fd Shahaf Shuler
2019-03-05 13:59   ` [dpdk-dev] [PATCH v3 2/6] vfio: don't fail to DMA map if memory is already mapped Shahaf Shuler
2019-03-05 13:59   ` [dpdk-dev] [PATCH v3 3/6] bus: introduce device level DMA memory mapping Shahaf Shuler
2019-03-05 16:35     ` Burakov, Anatoly
2019-03-05 13:59   ` [dpdk-dev] [PATCH v3 4/6] net/mlx5: refactor external memory registration Shahaf Shuler
2019-03-05 13:59   ` [dpdk-dev] [PATCH v3 5/6] net/mlx5: support PCI device DMA map and unmap Shahaf Shuler
2019-03-05 13:59   ` [dpdk-dev] [PATCH v3 6/6] doc: deprecation notice for VFIO DMA map APIs Shahaf Shuler
2019-02-21 14:50 ` [dpdk-dev] [PATCH v2 1/6] vfio: allow DMA map of memory for the default vfio fd Shahaf Shuler
2019-02-28 11:56   ` Burakov, Anatoly
2019-02-21 14:50 ` [dpdk-dev] [PATCH v2 2/6] vfio: don't fail to DMA map if memory is already mapped Shahaf Shuler
2019-02-28 11:58   ` Burakov, Anatoly
2019-02-21 14:50 ` [dpdk-dev] [PATCH v2 3/6] bus: introduce device level DMA memory mapping Shahaf Shuler
2019-02-28 12:14   ` Burakov, Anatoly
2019-02-28 14:41     ` Burakov, Anatoly
2019-02-21 14:50 ` [dpdk-dev] [PATCH v2 4/6] net/mlx5: refactor external memory registration Shahaf Shuler
2019-02-21 14:50 ` [dpdk-dev] [PATCH v2 5/6] net/mlx5: support PCI device DMA map and unmap Shahaf Shuler
2019-02-21 14:50 ` [dpdk-dev] [PATCH v2 6/6] doc: deprecate VFIO DMA map APIs Shahaf Shuler
2019-02-21 15:50   ` David Marchand

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