On 11/17/2017 18:55, Jacob Pan wrote:
+void qi_flush_dev_iotlb(struct intel_iommu *iommu, u16 sid, u16 pfsid,
+ u16 qdep, u64 addr, unsigned mask)
+{
+ struct qi_desc desc;
+
+ pr_debug_ratelimited("%s: sid %d, pfsid %d, qdep %d, addr %llx, mask
%d\n",
+ __func__, sid, pfsid, qdep, addr, mask);
if (mask) {
BUG_ON(addr & ((1 << (VTD_PAGE_SHIFT + mask)) - 1));
addr |= (1ULL << (VTD_PAGE_SHIFT + mask - 1)) - 1;
@@ -1352,7 +1366,41 @@ void qi_flush_dev_iotlb(struct intel_iommu *iommu, u16
sid, u16 qdep,
qdep = 0;
desc.low = QI_DEV_IOTLB_SID(sid) | QI_DEV_IOTLB_QDEP(qdep) |
- QI_DIOTLB_TYPE;
+ QI_DIOTLB_TYPE | QI_DEV_IOTLB_SID(pfsid);
QI_DEV_IOTLB_SID(pfsid) -> QI_DEV_EIOTLB_PFSID(pfsid)?
+
+ qi_submit_sync(&desc, iommu);
+}
+
Regards,
Maksim Lukoshkov
