From: Cornelia Huck <cohuck@redhat.com>
To: Matthew Rosato <mjrosato@linux.ibm.com>
Cc: thuth@redhat.com, kvm@vger.kernel.org, pmorel@linux.ibm.com,
david@redhat.com, schnelle@linux.ibm.com, qemu-s390x@nongnu.org,
qemu-devel@nongnu.org, pasic@linux.ibm.com,
borntraeger@de.ibm.com, alex.williamson@redhat.com,
mst@redhat.com, pbonzini@redhat.com, rth@twiddle.net
Subject: Re: [PATCH v3 3/5] vfio: Find DMA available capability
Date: Wed, 16 Sep 2020 12:01:12 +0200 [thread overview]
Message-ID: <20200916120112.53604f46.cohuck@redhat.com> (raw)
In-Reply-To: <1600197283-25274-4-git-send-email-mjrosato@linux.ibm.com>
On Tue, 15 Sep 2020 15:14:41 -0400
Matthew Rosato <mjrosato@linux.ibm.com> wrote:
> The underlying host may be limiting the number of outstanding DMA
> requests for type 1 IOMMU. Add helper functions to check for the
> DMA available capability and retrieve the current number of DMA
> mappings allowed.
>
> Signed-off-by: Matthew Rosato <mjrosato@linux.ibm.com>
> ---
> hw/vfio/common.c | 31 +++++++++++++++++++++++++++++++
> include/hw/vfio/vfio-common.h | 2 ++
> 2 files changed, 33 insertions(+)
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
next prev parent reply other threads:[~2020-09-16 10:03 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-09-15 19:14 [PATCH v3 0/5] s390x/pci: Accomodate vfio DMA limiting Matthew Rosato
2020-09-15 19:14 ` [PATCH v3 1/5] linux-headers: update against 5.9-rc5 Matthew Rosato
2020-09-15 19:14 ` [PATCH v3 2/5] vfio: Create shared routine for scanning info capabilities Matthew Rosato
2020-09-16 7:15 ` Philippe Mathieu-Daudé
2020-09-16 9:58 ` Cornelia Huck
2020-09-15 19:14 ` [PATCH v3 3/5] vfio: Find DMA available capability Matthew Rosato
2020-09-16 10:01 ` Cornelia Huck [this message]
2020-09-15 19:14 ` [PATCH v3 4/5] s390x/pci: Add routine to get the vfio dma available count Matthew Rosato
2020-09-16 7:21 ` Philippe Mathieu-Daudé
2020-09-16 10:27 ` Cornelia Huck
2020-09-16 12:55 ` Matthew Rosato
2020-09-17 9:59 ` Cornelia Huck
2020-09-15 19:14 ` [PATCH v3 5/5] s390x/pci: Honor DMA limits set by vfio Matthew Rosato
2020-09-16 11:05 ` Cornelia Huck
2020-09-16 12:58 ` Matthew Rosato
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