diff options
Diffstat (limited to 'hw/i386/intel_iommu.c')
| -rw-r--r-- | hw/i386/intel_iommu.c | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/hw/i386/intel_iommu.c b/hw/i386/intel_iommu.c index 9aa807593e..5634a37a74 100644 --- a/hw/i386/intel_iommu.c +++ b/hw/i386/intel_iommu.c @@ -3075,6 +3075,49 @@ static void do_invalidate_device_tlb(VTDAddressSpace *vtd_dev_as, memory_region_notify_iommu(&vtd_dev_as->iommu, 0, event); } +static bool vtd_process_device_piotlb_desc(IntelIOMMUState *s, + VTDInvDesc *inv_desc) +{ + uint16_t sid; + VTDAddressSpace *vtd_dev_as; + bool size; + bool global; + hwaddr addr; + uint32_t pasid; + uint64_t mask[4] = {VTD_INV_DESC_PASID_DEVICE_IOTLB_RSVD_VAL0, + VTD_INV_DESC_PASID_DEVICE_IOTLB_RSVD_VAL1, + VTD_INV_DESC_ALL_ONE, VTD_INV_DESC_ALL_ONE}; + + if (!vtd_inv_desc_reserved_check(s, inv_desc, mask, true, + __func__, "device piotlb inv")) { + return false; + } + + global = VTD_INV_DESC_PASID_DEVICE_IOTLB_GLOBAL(inv_desc->hi); + size = VTD_INV_DESC_PASID_DEVICE_IOTLB_SIZE(inv_desc->hi); + addr = VTD_INV_DESC_PASID_DEVICE_IOTLB_ADDR(inv_desc->hi); + sid = VTD_INV_DESC_PASID_DEVICE_IOTLB_SID(inv_desc->lo); + if (global) { + QLIST_FOREACH(vtd_dev_as, &s->vtd_as_with_notifiers, next) { + if ((vtd_dev_as->pasid != PCI_NO_PASID) && + (PCI_BUILD_BDF(pci_bus_num(vtd_dev_as->bus), + vtd_dev_as->devfn) == sid)) { + do_invalidate_device_tlb(vtd_dev_as, size, addr); + } + } + } else { + pasid = VTD_INV_DESC_PASID_DEVICE_IOTLB_PASID(inv_desc->lo); + vtd_dev_as = vtd_get_as_by_sid_and_pasid(s, sid, pasid); + if (!vtd_dev_as) { + return true; + } + + do_invalidate_device_tlb(vtd_dev_as, size, addr); + } + + return true; +} + static bool vtd_process_device_iotlb_desc(IntelIOMMUState *s, VTDInvDesc *inv_desc) { @@ -3161,6 +3204,13 @@ static bool vtd_process_inv_desc(IntelIOMMUState *s) } break; + case VTD_INV_DESC_DEV_PIOTLB: + trace_vtd_inv_desc("device-piotlb", inv_desc.hi, inv_desc.lo); + if (!vtd_process_device_piotlb_desc(s, &inv_desc)) { + return false; + } + break; + case VTD_INV_DESC_DEVICE: trace_vtd_inv_desc("device", inv_desc.hi, inv_desc.lo); if (!vtd_process_device_iotlb_desc(s, &inv_desc)) { |