Hi Bharat, On 3/27/20 6:13 AM, Bharat Bhushan wrote: > Hi Eric, > >> -----Original Message----- >> From: Auger Eric <eric.au...@redhat.com> >> Sent: Thursday, March 26, 2020 9:22 PM >> To: Bharat Bhushan <bbhush...@marvell.com>; peter.mayd...@linaro.org; >> pet...@redhat.com; eric.auger....@gmail.com; alex.william...@redhat.com; >> kevin.t...@intel.com; m...@redhat.com; Tomasz Nowicki [C] >> <tnowi...@marvell.com>; drjo...@redhat.com; linuc.dec...@gmail.com; qemu- >> de...@nongnu.org; qemu-...@nongnu.org; bharatb.li...@gmail.com; jean- >> phili...@linaro.org; yang.zh...@intel.com >> Subject: [EXT] Re: [PATCH v9 4/9] virtio-iommu: set supported page size mask >> >> External Email >> >> ---------------------------------------------------------------------- >> Hi Bharat, >> >> On 3/23/20 9:46 AM, Bharat Bhushan wrote: >>> Add optional interface to set page size mask. >>> Currently this is set global configuration and not per endpoint. >> This allows to override the page size mask per end-point? > > This patch adds per endpoint page-size-mask configuration in addition to > global page-size-mask. > endpoint page-size-mask will override global page-size-mask configuration for > that endpoint. Yes my comment was a suggestion for commit msg rephrasing. Sorry if it was unclear. The above text sounds clearer.
thanks Eric > > Thanks > -Bharat > >>> >>> Signed-off-by: Bharat Bhushan <bbhush...@marvell.com> >>> --- >>> include/hw/virtio/virtio-iommu.h | 1 + >>> hw/virtio/virtio-iommu.c | 9 +++++++++ >>> 2 files changed, 10 insertions(+) >>> >>> diff --git a/include/hw/virtio/virtio-iommu.h >>> b/include/hw/virtio/virtio-iommu.h >>> index 6f67f1020a..4efa09610a 100644 >>> --- a/include/hw/virtio/virtio-iommu.h >>> +++ b/include/hw/virtio/virtio-iommu.h >>> @@ -35,6 +35,7 @@ typedef struct IOMMUDevice { >>> void *viommu; >>> PCIBus *bus; >>> int devfn; >>> + uint64_t page_size_mask; >>> IOMMUMemoryRegion iommu_mr; >>> AddressSpace as; >>> } IOMMUDevice; >>> diff --git a/hw/virtio/virtio-iommu.c b/hw/virtio/virtio-iommu.c index >>> 4cee8083bc..a28818202c 100644 >>> --- a/hw/virtio/virtio-iommu.c >>> +++ b/hw/virtio/virtio-iommu.c >>> @@ -650,6 +650,14 @@ static gint int_cmp(gconstpointer a, gconstpointer b, >> gpointer user_data) >>> return (ua > ub) - (ua < ub); >>> } >>> >>> +static void virtio_iommu_set_page_size_mask(IOMMUMemoryRegion *mr, >>> + uint64_t page_size_mask) >>> +{ >>> + IOMMUDevice *sdev = container_of(mr, IOMMUDevice, iommu_mr); >>> + >>> + sdev->page_size_mask = page_size_mask; } >>> + >>> static void virtio_iommu_device_realize(DeviceState *dev, Error >>> **errp) { >>> VirtIODevice *vdev = VIRTIO_DEVICE(dev); @@ -865,6 +873,7 @@ >>> static void virtio_iommu_memory_region_class_init(ObjectClass *klass, >>> IOMMUMemoryRegionClass *imrc = >> IOMMU_MEMORY_REGION_CLASS(klass); >>> >>> imrc->translate = virtio_iommu_translate; >>> + imrc->iommu_set_page_size_mask = virtio_iommu_set_page_size_mask; >>> } >>> >>> static const TypeInfo virtio_iommu_info = { >>> >> Thanks >> >> Eric > >