{
struct root_entry *root;
- root = (struct root_entry *)alloc_pgtable_page(iommu->node, GFP_ATOMIC);
+ root = alloc_pgtable_page(iommu->node, GFP_ATOMIC);
if (!root) {
pr_err("Allocating root entry for %s failed\n",
iommu->name);
iommu->name, type);
return;
}
- /* Note: set drain read/write */
-#if 0
- /*
- * This is probably to be super secure.. Looks like we can
- * ignore it without any impact.
- */
- if (cap_read_drain(iommu->cap))
- val |= DMA_TLB_READ_DRAIN;
-#endif
+
if (cap_write_drain(iommu->cap))
val |= DMA_TLB_WRITE_DRAIN;
struct context_entry *context;
int ret;
- WARN_ON(did == 0);
-
if (hw_pass_through && domain_type_is_si(domain))
translation = CONTEXT_TT_PASS_THROUGH;
if (sm_supported(iommu)) {
unsigned long pds;
- WARN_ON(!table);
-
/* Setup the PASID DIR pointer: */
pds = context_get_sm_pds(table);
context->lo = (u64)virt_to_phys(table->table) |
{
struct dmar_drhd_unit *drhd;
struct intel_iommu *iommu = NULL;
+ int ret;
- for_each_active_iommu(iommu, drhd)
- if (iommu->qi)
- dmar_reenable_qi(iommu);
+ for_each_active_iommu(iommu, drhd) {
+ if (iommu->qi) {
+ ret = dmar_reenable_qi(iommu);
+ if (ret)
+ return ret;
+ }
+ }
for_each_iommu(iommu, drhd) {
if (drhd->ignored) {
case IOMMU_DOMAIN_BLOCKED:
return &blocking_domain;
case IOMMU_DOMAIN_DMA:
- case IOMMU_DOMAIN_DMA_FQ:
case IOMMU_DOMAIN_UNMANAGED:
dmar_domain = alloc_domain(type);
if (!dmar_domain) {
switch (cap) {
case IOMMU_CAP_CACHE_COHERENCY:
+ case IOMMU_CAP_DEFERRED_FLUSH:
return true;
case IOMMU_CAP_PRE_BOOT_PROTECTION:
return dmar_platform_optin();