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[Qemu-ppc] [PATCH v5 11/11] spapr-vfio: enable for spapr
From: |
Alexey Kardashevskiy |
Subject: |
[Qemu-ppc] [PATCH v5 11/11] spapr-vfio: enable for spapr |
Date: |
Wed, 12 Mar 2014 16:52:30 +1100 |
This turns the sPAPR support on and enables VFIO container use
in the kernel.
Signed-off-by: Alexey Kardashevskiy <address@hidden>
---
Changes:
v5:
* multiple returns converted to gotos
v4:
* fixed format string to use %m which is a glibc extension:
"Print output of strerror(errno). No argument is required."
---
hw/misc/vfio.c | 28 ++++++++++++++++++++++++++++
1 file changed, 28 insertions(+)
diff --git a/hw/misc/vfio.c b/hw/misc/vfio.c
index 6dee090..e7b2b36 100644
--- a/hw/misc/vfio.c
+++ b/hw/misc/vfio.c
@@ -3494,6 +3494,34 @@ static int vfio_connect_container(VFIOGroup *group,
AddressSpace *as)
container->iommu_data.type1.initialized = true;
+ } else if (ioctl(fd, VFIO_CHECK_EXTENSION, VFIO_SPAPR_TCE_IOMMU)) {
+ ret = ioctl(group->fd, VFIO_GROUP_SET_CONTAINER, &fd);
+ if (ret) {
+ error_report("vfio: failed to set group container: %m");
+ ret = -errno;
+ goto free_container_exit;
+ }
+
+ ret = ioctl(fd, VFIO_SET_IOMMU, VFIO_SPAPR_TCE_IOMMU);
+ if (ret) {
+ error_report("vfio: failed to set iommu for container: %m");
+ ret = -errno;
+ goto free_container_exit;
+ }
+
+ ret = ioctl(fd, VFIO_IOMMU_ENABLE);
+ if (ret) {
+ error_report("vfio: failed to enable container: %m");
+ ret = -errno;
+ goto free_container_exit;
+ }
+
+ container->iommu_data.type1.listener = vfio_memory_listener;
+ container->iommu_data.release = vfio_listener_release;
+
+ memory_listener_register(&container->iommu_data.type1.listener,
+ container->space->as);
+
} else {
error_report("vfio: No available IOMMU models");
ret = -EINVAL;
--
1.8.4.rc4
Re: [Qemu-ppc] [PATCH v5 00/11] vfio on spapr-ppc64, Alex Williamson, 2014/03/19