[PATCH v8 0/8] virtio-iommu: VFIO integration

[Bharat Bhushan]

This patch series integrates VFIO with virtio-iommu.
This is only applicable for PCI pass-through with virtio-iommu.

This series is available at:
https://github.com/bharat-bhushan-devel/qemu.git 
virtio-iommu-vfio-integration-v8

This is tested with assigning more than one pci devices to Virtual Machine.

This series is based on:
  - virtio-iommu device emulation by Eric Augur.
    [v16,00/10] VIRTIO-IOMMU device
    https://github.com/eauger/qemu/tree/v4.2-virtio-iommu-v16

  - Linux 5.6.0-rc4

v7->v8:
  - Set page size mask as per host
    This fixes issue with 64K host/guest 
  - Device list from IOMMUDevice directly removed VirtioIOMMUNotifierNode
  - Add missing iep->viommu init on post-load

v6->v7:
  - corrected email-address

v5->v6:
  - Rebase to v16 version from Eric
  - Tested with upstream Linux
  - Added a patch from Eric/Myself on removing mmio-region error print in vfio

v4->v5:
 - Rebase to v9 version from Eric
 - PCIe device hotplug fix
 - Added Patch 1/5 from Eric previous series (Eric somehow dropped in
   last version.
 - Patch "Translate the MSI doorbell in kvm_arch_fixup_msi_route"
   already integrated with vsmmu3

v3->v4:
 - Rebase to v4 version from Eric
 - Fixes from Eric with DPDK in VM
 - Logical division in multiple patches

v2->v3:
 - This series is based on "[RFC v3 0/8] VIRTIO-IOMMU device"
   Which is based on top of v2.10-rc0 that
 - Fixed issue with two PCI devices
 - Addressed review comments

v1->v2:
  - Added trace events
  - removed vSMMU3 link in patch description

Bharat Bhushan (8):
  hw/vfio/common: Remove error print on mmio region translation by
    viommu
  memory: Add interface to set iommu page size mask
  vfio: set iommu page size as per host supported page size
  virtio-iommu: set supported page size mask
  virtio-iommu: Add iommu notifier for map/unmap
  virtio-iommu: Call iommu notifier for attach/detach
  virtio-iommu: add iommu replay
  virtio-iommu: add iommu notifier memory-region

 include/exec/memory.h            |  20 ++++
 include/hw/virtio/virtio-iommu.h |   2 +
 hw/vfio/common.c                 |   5 +-
 hw/virtio/virtio-iommu.c         | 192 ++++++++++++++++++++++++++++++-
 memory.c                         |  10 ++
 hw/virtio/trace-events           |   5 +
 6 files changed, 231 insertions(+), 3 deletions(-)

-- 
2.17.1