From: "Michael S. Tsirkin" <mst@redhat.com>
To: Jason Wang <jasowang@redhat.com>
Cc: shahafs@mellanox.com, lulu@redhat.com, saugatm@xilinx.com,
mhabets@solarflare.com, vmireyno@marvell.com,
linux-kernel@vger.kernel.org, gdawar@xilinx.com,
virtualization@lists.linux-foundation.org, eperezma@redhat.com,
hanand@xilinx.com, zhangweining@ruijie.com.cn, eli@mellanox.com,
lingshan.zhu@intel.com, rob.miller@broadcom.com
Subject: Re: [PATCH 0/4] vDPA: API for reporting IOVA range
Date: Wed, 21 Oct 2020 10:45:44 -0400 [thread overview]
Message-ID: <20201021104508-mutt-send-email-mst@kernel.org> (raw)
In-Reply-To: <20200617032947.6371-1-jasowang@redhat.com>
On Wed, Jun 17, 2020 at 11:29:43AM +0800, Jason Wang wrote:
> Hi All:
>
> This series introduces API for reporing IOVA range. This is a must for
> userspace to work correclty:
>
> - for the process that uses vhost-vDPA directly to properly allocate
> IOVA
> - for VM(qemu), when vIOMMU is not enabled, fail early if GPA is out
> of range
> - for VM(qemu), when vIOMMU is enabled, determine a valid guest
> address width
>
> Please review.
>
> Thanks
OK so what is the plan here? Change begin-end->first-last and repost?
> Jason Wang (4):
> vdpa: introduce config op to get valid iova range
> vdpa_sim: implement get_iova_range bus operation
> vdpa: get_iova_range() is mandatory for device specific DMA
> translation
> vhost: vdpa: report iova range
>
> drivers/vdpa/vdpa.c | 4 ++++
> drivers/vdpa/vdpa_sim/vdpa_sim.c | 11 +++++++++++
> drivers/vhost/vdpa.c | 27 +++++++++++++++++++++++++++
> include/linux/vdpa.h | 14 ++++++++++++++
> include/uapi/linux/vhost.h | 4 ++++
> include/uapi/linux/vhost_types.h | 5 +++++
> 6 files changed, 65 insertions(+)
>
> --
> 2.20.1
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next prev parent reply other threads:[~2020-10-21 20:14 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-06-17 3:29 [PATCH 0/4] vDPA: API for reporting IOVA range Jason Wang
2020-06-17 3:29 ` [PATCH 1/4] vdpa: introduce config op to get valid iova range Jason Wang
2020-08-05 12:51 ` Michael S. Tsirkin
2020-08-06 3:25 ` Jason Wang
2020-08-06 5:54 ` Michael S. Tsirkin
[not found] ` <20200806120354.GA171218@mtl-vdi-166.wap.labs.mlnx>
2020-08-06 12:29 ` Michael S. Tsirkin
2020-08-07 3:23 ` Jason Wang
[not found] ` <20200806124354.GA172661@mtl-vdi-166.wap.labs.mlnx>
2020-08-10 12:05 ` Michael S. Tsirkin
2020-08-11 2:53 ` Jason Wang
2020-08-11 8:29 ` Michael S. Tsirkin
2020-08-12 2:02 ` Jason Wang
[not found] ` <20200806121002.GA171574@mtl-vdi-166.wap.labs.mlnx>
2020-08-07 3:04 ` Jason Wang
2020-06-17 3:29 ` [PATCH 2/4] vdpa_sim: implement get_iova_range bus operation Jason Wang
2020-06-17 3:29 ` [PATCH 3/4] vdpa: get_iova_range() is mandatory for device specific DMA translation Jason Wang
2020-08-05 12:55 ` Michael S. Tsirkin
2020-08-06 3:27 ` Jason Wang
2020-06-17 3:29 ` [PATCH 4/4] vhost: vdpa: report iova range Jason Wang
2020-08-05 12:58 ` Michael S. Tsirkin
2020-08-06 3:29 ` Jason Wang
2020-08-06 5:55 ` Michael S. Tsirkin
2020-10-21 14:45 ` Michael S. Tsirkin [this message]
2020-10-22 5:47 ` [PATCH 0/4] vDPA: API for reporting IOVA range Jason Wang
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