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| author | Peter Maydell <peter.maydell@linaro.org> | 2018-02-07 14:38:53 +0000 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2018-02-07 14:38:53 +0000 |
| commit | ea62da0913d20338b8a47bbfaef2e8f2763ee13f (patch) | |
| tree | 916e3f25f4bf7799c77a9045e8097ccb59ecb6a1 /hw/ppc | |
| parent | 0833df03f4206a6cf416fbb3d380fa95c8e61fba (diff) | |
| parent | db32d0f43839627f54a1a7f8eee17baa770f52d2 (diff) | |
| download | qemu-ea62da0913d20338b8a47bbfaef2e8f2763ee13f.zip qemu-ea62da0913d20338b8a47bbfaef2e8f2763ee13f.tar.gz qemu-ea62da0913d20338b8a47bbfaef2e8f2763ee13f.tar.bz2 | |
Merge remote-tracking branch 'remotes/awilliam/tags/vfio-update-20180206.0' into staging
VFIO updates 2018-02-06
- SPAPR in-kernel TCE accleration (Alexey Kardashevskiy)
- MSI-X relocation (Alex Williamson)
- Add missing platform mutex init (Eric Auger)
- Redundant variable cleanup (Alexey Kardashevskiy)
- Option to disable GeForce quirks (Alex Williamson)
# gpg: Signature made Tue 06 Feb 2018 18:21:22 GMT
# gpg: using RSA key 239B9B6E3BB08B22
# gpg: Good signature from "Alex Williamson <alex.williamson@redhat.com>"
# gpg: aka "Alex Williamson <alex@shazbot.org>"
# gpg: aka "Alex Williamson <alwillia@redhat.com>"
# gpg: aka "Alex Williamson <alex.l.williamson@gmail.com>"
# Primary key fingerprint: 42F6 C04E 540B D1A9 9E7B 8A90 239B 9B6E 3BB0 8B22
* remotes/awilliam/tags/vfio-update-20180206.0:
vfio/pci: Add option to disable GeForce quirks
vfio/common: Remove redundant copy of local variable
hw/vfio/platform: Init the interrupt mutex
vfio/pci: Allow relocating MSI-X MMIO
qapi: Create DEFINE_PROP_OFF_AUTO_PCIBAR
vfio/pci: Emulate BARs
vfio/pci: Add base BAR MemoryRegion
vfio/pci: Fixup VFIOMSIXInfo comment
spapr/iommu: Enable in-kernel TCE acceleration via VFIO KVM device
vfio/spapr: Use iommu memory region's get_attr()
memory/iommu: Add get_attr()
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'hw/ppc')
| -rw-r--r-- | hw/ppc/spapr_iommu.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/hw/ppc/spapr_iommu.c b/hw/ppc/spapr_iommu.c index 5ccd785..aaa6010 100644 --- a/hw/ppc/spapr_iommu.c +++ b/hw/ppc/spapr_iommu.c @@ -160,6 +160,19 @@ static uint64_t spapr_tce_get_min_page_size(IOMMUMemoryRegion *iommu) return 1ULL << tcet->page_shift; } +static int spapr_tce_get_attr(IOMMUMemoryRegion *iommu, + enum IOMMUMemoryRegionAttr attr, void *data) +{ + sPAPRTCETable *tcet = container_of(iommu, sPAPRTCETable, iommu); + + if (attr == IOMMU_ATTR_SPAPR_TCE_FD && kvmppc_has_cap_spapr_vfio()) { + *(int *) data = tcet->fd; + return 0; + } + + return -EINVAL; +} + static void spapr_tce_notify_flag_changed(IOMMUMemoryRegion *iommu, IOMMUNotifierFlag old, IOMMUNotifierFlag new) @@ -284,6 +297,10 @@ void spapr_tce_set_need_vfio(sPAPRTCETable *tcet, bool need_vfio) tcet->need_vfio = need_vfio; + if (!need_vfio || (tcet->fd != -1 && kvmppc_has_cap_spapr_vfio())) { + return; + } + oldtable = tcet->table; tcet->table = spapr_tce_alloc_table(tcet->liobn, @@ -643,6 +660,7 @@ static void spapr_iommu_memory_region_class_init(ObjectClass *klass, void *data) imrc->translate = spapr_tce_translate_iommu; imrc->get_min_page_size = spapr_tce_get_min_page_size; imrc->notify_flag_changed = spapr_tce_notify_flag_changed; + imrc->get_attr = spapr_tce_get_attr; } static const TypeInfo spapr_iommu_memory_region_info = { |