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Message-Id: <1573850911-19590-1-git-send-email-linuxram@us.ibm.com>
Date: Fri, 15 Nov 2019 12:48:29 -0800
From: Ram Pai <linuxram@...ibm.com>
To: linuxppc-dev@...ts.ozlabs.org, mpe@...erman.id.au
Cc: benh@...nel.crashing.org, david@...son.dropbear.id.au,
paulus@...abs.org, mdroth@...ux.vnet.ibm.com, hch@....de,
linuxram@...ibm.com, andmike@...ibm.com,
sukadev@...ux.vnet.ibm.com, mst@...hat.com, ram.n.pai@...il.com,
aik@...abs.ru, cai@....pw, tglx@...utronix.de,
bauerman@...ux.ibm.com, linux-kernel@...r.kernel.org,
pasic@...ux.ibm.com
Subject: [v3 0/2] Enable IOMMU support for pseries Secure VMs
This patch series enables IOMMU support for pseries Secure VMs.
Tested using QEMU command line option:
"-device virtio-scsi-pci,id=scsi0,bus=pci.0,addr=0x4,
iommu_platform=on,disable-modern=off,disable-legacy=on"
and
"-device virtio-blk-pci,scsi=off,bus=pci.0,
addr=0x5,drive=drive-virtio-disk0,id=virtio-disk0,
iommu_platform=on,disable-modern=off,disable-legacy=on"
changelog:
v3: Better description of 2/2 patch.
Suggested by David Gibson.
v2: added comments describing the changes.
Suggested by Alexey and Michael Ellermen.
Ram Pai (2):
powerpc/pseries/iommu: Share the per-cpu TCE page with the hypervisor.
powerpc/pseries/iommu: Use dma_iommu_ops for Secure VMs aswell.
arch/powerpc/platforms/pseries/iommu.c | 34 +++++++++++++++++++++-------------
1 file changed, 21 insertions(+), 13 deletions(-)
--
1.8.3.1
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