From: Alexey Kardashevskiy <aik@ozlabs.ru>
To: linuxppc-dev@lists.ozlabs.org
Cc: kvm@vger.kernel.org, Alexey Kardashevskiy <aik@ozlabs.ru>,
linux-kernel@vger.kernel.org,
Alex Williamson <alex.williamson@redhat.com>,
Paul Mackerras <paulus@samba.org>,
David Gibson <david@gibson.dropbear.id.au>
Subject: [PATCH 3/3] powerpc/vfio: Enable on pSeries platform
Date: Tue, 21 May 2013 13:33:11 +1000 [thread overview]
Message-ID: <1369107191-28547-4-git-send-email-aik@ozlabs.ru> (raw)
In-Reply-To: <1369107191-28547-1-git-send-email-aik@ozlabs.ru>
The enables VFIO on the pSeries platform, enabling user space
programs to access PCI devices directly.
Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Cc: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>
---
arch/powerpc/platforms/pseries/iommu.c | 4 ++++
drivers/iommu/Kconfig | 2 +-
drivers/vfio/Kconfig | 2 +-
3 files changed, 6 insertions(+), 2 deletions(-)
diff --git a/arch/powerpc/platforms/pseries/iommu.c b/arch/powerpc/platforms/pseries/iommu.c
index 86ae364..23fc1dc 100644
--- a/arch/powerpc/platforms/pseries/iommu.c
+++ b/arch/powerpc/platforms/pseries/iommu.c
@@ -614,6 +614,7 @@ static void pci_dma_bus_setup_pSeries(struct pci_bus *bus)
iommu_table_setparms(pci->phb, dn, tbl);
pci->iommu_table = iommu_init_table(tbl, pci->phb->node);
+ iommu_register_group(tbl, pci_domain_nr(bus), 0);
/* Divide the rest (1.75GB) among the children */
pci->phb->dma_window_size = 0x80000000ul;
@@ -658,6 +659,7 @@ static void pci_dma_bus_setup_pSeriesLP(struct pci_bus *bus)
ppci->phb->node);
iommu_table_setparms_lpar(ppci->phb, pdn, tbl, dma_window);
ppci->iommu_table = iommu_init_table(tbl, ppci->phb->node);
+ iommu_register_group(tbl, pci_domain_nr(bus), 0);
pr_debug(" created table: %p\n", ppci->iommu_table);
}
}
@@ -684,6 +686,7 @@ static void pci_dma_dev_setup_pSeries(struct pci_dev *dev)
phb->node);
iommu_table_setparms(phb, dn, tbl);
PCI_DN(dn)->iommu_table = iommu_init_table(tbl, phb->node);
+ iommu_register_group(tbl, pci_domain_nr(phb->bus), 0);
set_iommu_table_base(&dev->dev, PCI_DN(dn)->iommu_table);
return;
}
@@ -1184,6 +1187,7 @@ static void pci_dma_dev_setup_pSeriesLP(struct pci_dev *dev)
pci->phb->node);
iommu_table_setparms_lpar(pci->phb, pdn, tbl, dma_window);
pci->iommu_table = iommu_init_table(tbl, pci->phb->node);
+ iommu_register_group(tbl, pci_domain_nr(pci->phb->bus), 0);
pr_debug(" created table: %p\n", pci->iommu_table);
} else {
pr_debug(" found DMA window, table: %p\n", pci->iommu_table);
diff --git a/drivers/iommu/Kconfig b/drivers/iommu/Kconfig
index 3f3abde..01730b2 100644
--- a/drivers/iommu/Kconfig
+++ b/drivers/iommu/Kconfig
@@ -263,7 +263,7 @@ config SHMOBILE_IOMMU_L1SIZE
config SPAPR_TCE_IOMMU
bool "sPAPR TCE IOMMU Support"
- depends on PPC_POWERNV
+ depends on PPC_POWERNV || PPC_PSERIES
select IOMMU_API
help
Enables bits of IOMMU API required by VFIO. The iommu_ops
diff --git a/drivers/vfio/Kconfig b/drivers/vfio/Kconfig
index b464687..26b3d9d 100644
--- a/drivers/vfio/Kconfig
+++ b/drivers/vfio/Kconfig
@@ -12,7 +12,7 @@ menuconfig VFIO
tristate "VFIO Non-Privileged userspace driver framework"
depends on IOMMU_API
select VFIO_IOMMU_TYPE1 if X86
- select VFIO_IOMMU_SPAPR_TCE if PPC_POWERNV
+ select VFIO_IOMMU_SPAPR_TCE if (PPC_POWERNV || PPC_PSERIES)
help
VFIO provides a framework for secure userspace device drivers.
See Documentation/vfio.txt for more details.
--
1.7.10.4
next prev parent reply other threads:[~2013-05-21 3:33 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-05-21 3:33 [PATCH 0/5 v2] VFIO PPC64: add VFIO support on POWERPC64 Alexey Kardashevskiy
2013-05-21 3:33 ` [PATCH 1/3] powerpc/vfio: Enable on POWERNV platform Alexey Kardashevskiy
2013-12-12 23:35 ` [1/3] " Scott Wood
2013-12-13 3:02 ` Alexey Kardashevskiy
2013-12-13 21:02 ` Scott Wood
2013-12-14 4:56 ` Bharat.Bhushan
2013-05-21 3:33 ` [PATCH 2/3] powerpc/vfio: Implement IOMMU driver for VFIO Alexey Kardashevskiy
2013-05-24 14:03 ` Alex Williamson
2013-05-21 3:33 ` Alexey Kardashevskiy [this message]
2013-05-24 14:03 ` [PATCH 3/3] powerpc/vfio: Enable on pSeries platform Alex Williamson
2013-05-21 3:34 ` [PATCH 0/5 v2] VFIO PPC64: add VFIO support on POWERPC64 Alexey Kardashevskiy
2013-05-23 14:56 ` Alex Williamson
2013-05-24 3:14 ` Alexey Kardashevskiy
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