From: Dragos Tatulea <dtatulea@nvidia.com>
To: "Jason Wang" <jasowang@redhat.com>,
"Eugenio Pérez" <eperezma@redhat.com>,
"Si-Wei Liu" <si-wei.liu@oracle.com>,
"Michael S . Tsirkin" <mst@redhat.com>,
"Saeed Mahameed" <saeedm@nvidia.com>,
virtualization@lists.linux-foundation.org,
linux-kernel@vger.kernel.org
Cc: Dragos Tatulea <dtatulea@nvidia.com>,
Parav Pandit <parav@nvidia.com>,
Xuan Zhuo <xuanzhuo@linux.alibaba.com>, <kvm@vger.kernel.org>
Subject: [PATCH 00/16] vdpa: Add support for vq descriptor mappings
Date: Tue, 12 Sep 2023 16:01:10 +0300 [thread overview]
Message-ID: <20230912130132.561193-1-dtatulea@nvidia.com> (raw)
This patch series adds support for vq descriptor table mappings which
are used to improve vdpa live migration downtime. The improvement comes
from using smaller mappings which take less time to create and destroy
in hw.
The first part adds the vdpa core changes from Si-Wei [0].
The second part adds support in mlx5_vdpa:
- Refactor the mr code to be able to cleanly add descriptor mappings.
- Add hardware descriptor mr support.
- Properly update iotlb for cvq during ASID switch.
[0] https://lore.kernel.org/virtualization/1694248959-13369-1-git-send-email-si-wei.liu@oracle.com
Dragos Tatulea (13):
vdpa/mlx5: Create helper function for dma mappings
vdpa/mlx5: Decouple cvq iotlb handling from hw mapping code
vdpa/mlx5: Take cvq iotlb lock during refresh
vdpa/mlx5: Collapse "dvq" mr add/delete functions
vdpa/mlx5: Rename mr destroy functions
vdpa/mlx5: Allow creation/deletion of any given mr struct
vdpa/mlx5: Move mr mutex out of mr struct
vdpa/mlx5: Improve mr update flow
vdpa/mlx5: Introduce mr for vq descriptor
vdpa/mlx5: Enable hw support for vq descriptor mapping
vdpa/mlx5: Make iotlb helper functions more generic
vdpa/mlx5: Update cvq iotlb mapping on ASID change
Cover letter: vdpa/mlx5: Add support for vq descriptor mappings
Si-Wei Liu (3):
vdpa: introduce dedicated descriptor group for virtqueue
vhost-vdpa: introduce descriptor group backend feature
vhost-vdpa: uAPI to get dedicated descriptor group id
drivers/vdpa/mlx5/core/mlx5_vdpa.h | 31 +++--
drivers/vdpa/mlx5/core/mr.c | 191 ++++++++++++++++-------------
drivers/vdpa/mlx5/core/resources.c | 6 +-
drivers/vdpa/mlx5/net/mlx5_vnet.c | 100 ++++++++++-----
drivers/vhost/vdpa.c | 27 ++++
include/linux/mlx5/mlx5_ifc.h | 8 +-
include/linux/mlx5/mlx5_ifc_vdpa.h | 7 +-
include/linux/vdpa.h | 11 ++
include/uapi/linux/vhost.h | 8 ++
include/uapi/linux/vhost_types.h | 5 +
10 files changed, 264 insertions(+), 130 deletions(-)
--
2.41.0
next reply other threads:[~2023-09-12 13:02 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-09-12 13:01 Dragos Tatulea [this message]
2023-09-12 13:01 ` [PATCH 01/16] vdpa: introduce dedicated descriptor group for virtqueue Dragos Tatulea
2023-09-12 13:01 ` [PATCH 02/16] vhost-vdpa: introduce descriptor group backend feature Dragos Tatulea
2023-09-12 13:01 ` [PATCH 03/16] vhost-vdpa: uAPI to get dedicated descriptor group id Dragos Tatulea
2023-09-12 13:01 ` [PATCH 04/16] vdpa/mlx5: Create helper function for dma mappings Dragos Tatulea
2023-09-26 3:11 ` Jason Wang
2023-09-12 13:01 ` [PATCH 05/16] vdpa/mlx5: Decouple cvq iotlb handling from hw mapping code Dragos Tatulea
2023-09-26 3:28 ` Jason Wang
2023-09-12 13:01 ` [PATCH 06/16] vdpa/mlx5: Take cvq iotlb lock during refresh Dragos Tatulea
2023-09-26 3:33 ` Jason Wang
2023-09-12 13:01 ` [PATCH 07/16] vdpa/mlx5: Collapse "dvq" mr add/delete functions Dragos Tatulea
2023-09-26 3:33 ` Jason Wang
2023-09-12 13:01 ` [PATCH 08/16] vdpa/mlx5: Rename mr destroy functions Dragos Tatulea
2023-09-26 3:34 ` Jason Wang
2023-09-12 13:01 ` [PATCH 09/16] vdpa/mlx5: Allow creation/deletion of any given mr struct Dragos Tatulea
2023-09-26 4:44 ` Jason Wang
2023-09-26 7:21 ` Dragos Tatulea
2023-10-08 4:25 ` Jason Wang
2023-10-08 12:04 ` Dragos Tatulea
2023-10-09 6:39 ` Jason Wang
2023-10-09 7:06 ` Dragos Tatulea
2023-09-12 13:01 ` [PATCH 10/16] vdpa/mlx5: Move mr mutex out of " Dragos Tatulea
2023-09-12 13:01 ` [PATCH 11/16] vdpa/mlx5: Improve mr update flow Dragos Tatulea
2023-09-12 13:01 ` [PATCH 12/16] vdpa/mlx5: Introduce mr for vq descriptor Dragos Tatulea
2023-09-12 13:01 ` [PATCH 13/16] vdpa/mlx5: Enable hw support for vq descriptor mapping Dragos Tatulea
2023-09-12 13:01 ` [PATCH 14/16] vdpa/mlx5: Make iotlb helper functions more generic Dragos Tatulea
2023-09-12 13:01 ` [PATCH 15/16] vdpa/mlx5: Update cvq iotlb mapping on ASID change Dragos Tatulea
2023-09-13 1:03 ` [PATCH 00/16] vdpa: Add support for vq descriptor mappings Lei Yang
2023-09-13 16:08 ` Eugenio Perez Martin
2023-09-15 6:34 ` Si-Wei Liu
2023-09-20 1:14 ` Lei Yang
2023-09-25 7:59 ` Dragos Tatulea
2023-09-26 12:22 ` Si-Wei Liu
2023-09-26 12:37 ` Dragos Tatulea
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