summaryrefslogtreecommitdiffstats
path: root/drivers/iommu/amd_iommu.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/iommu/amd_iommu.c')
-rw-r--r--drivers/iommu/amd_iommu.c38
1 files changed, 19 insertions, 19 deletions
diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c
index 60b2eab29cd8..4e04fff23977 100644
--- a/drivers/iommu/amd_iommu.c
+++ b/drivers/iommu/amd_iommu.c
@@ -1404,6 +1404,8 @@ static u64 *fetch_pte(struct protection_domain *domain,
int level;
u64 *pte;
+ *page_size = 0;
+
if (address > PM_LEVEL_SIZE(domain->mode))
return NULL;
@@ -1944,12 +1946,6 @@ static int __attach_device(struct iommu_dev_data *dev_data,
{
int ret;
- /*
- * Must be called with IRQs disabled. Warn here to detect early
- * when its not.
- */
- WARN_ON(!irqs_disabled());
-
/* lock domain */
spin_lock(&domain->lock);
@@ -2115,12 +2111,6 @@ static void __detach_device(struct iommu_dev_data *dev_data)
{
struct protection_domain *domain;
- /*
- * Must be called with IRQs disabled. Warn here to detect early
- * when its not.
- */
- WARN_ON(!irqs_disabled());
-
domain = dev_data->domain;
spin_lock(&domain->lock);
@@ -2405,9 +2395,9 @@ static void __unmap_single(struct dma_ops_domain *dma_dom,
}
if (amd_iommu_unmap_flush) {
- dma_ops_free_iova(dma_dom, dma_addr, pages);
domain_flush_tlb(&dma_dom->domain);
domain_flush_complete(&dma_dom->domain);
+ dma_ops_free_iova(dma_dom, dma_addr, pages);
} else {
pages = __roundup_pow_of_two(pages);
queue_iova(&dma_dom->iovad, dma_addr >> PAGE_SHIFT, pages, 0);
@@ -3192,7 +3182,6 @@ const struct iommu_ops amd_iommu_ops = {
.detach_dev = amd_iommu_detach_device,
.map = amd_iommu_map,
.unmap = amd_iommu_unmap,
- .map_sg = default_iommu_map_sg,
.iova_to_phys = amd_iommu_iova_to_phys,
.add_device = amd_iommu_add_device,
.remove_device = amd_iommu_remove_device,
@@ -3874,7 +3863,8 @@ static void irte_ga_prepare(void *entry,
irte->lo.fields_remap.int_type = delivery_mode;
irte->lo.fields_remap.dm = dest_mode;
irte->hi.fields.vector = vector;
- irte->lo.fields_remap.destination = dest_apicid;
+ irte->lo.fields_remap.destination = APICID_TO_IRTE_DEST_LO(dest_apicid);
+ irte->hi.fields.destination = APICID_TO_IRTE_DEST_HI(dest_apicid);
irte->lo.fields_remap.valid = 1;
}
@@ -3927,7 +3917,10 @@ static void irte_ga_set_affinity(void *entry, u16 devid, u16 index,
if (!irte->lo.fields_remap.guest_mode) {
irte->hi.fields.vector = vector;
- irte->lo.fields_remap.destination = dest_apicid;
+ irte->lo.fields_remap.destination =
+ APICID_TO_IRTE_DEST_LO(dest_apicid);
+ irte->hi.fields.destination =
+ APICID_TO_IRTE_DEST_HI(dest_apicid);
modify_irte_ga(devid, index, irte, NULL);
}
}
@@ -4344,7 +4337,10 @@ static int amd_ir_set_vcpu_affinity(struct irq_data *data, void *vcpu_info)
irte->lo.val = 0;
irte->hi.fields.vector = cfg->vector;
irte->lo.fields_remap.guest_mode = 0;
- irte->lo.fields_remap.destination = cfg->dest_apicid;
+ irte->lo.fields_remap.destination =
+ APICID_TO_IRTE_DEST_LO(cfg->dest_apicid);
+ irte->hi.fields.destination =
+ APICID_TO_IRTE_DEST_HI(cfg->dest_apicid);
irte->lo.fields_remap.int_type = apic->irq_delivery_mode;
irte->lo.fields_remap.dm = apic->irq_dest_mode;
@@ -4461,8 +4457,12 @@ int amd_iommu_update_ga(int cpu, bool is_run, void *data)
raw_spin_lock_irqsave(&table->lock, flags);
if (ref->lo.fields_vapic.guest_mode) {
- if (cpu >= 0)
- ref->lo.fields_vapic.destination = cpu;
+ if (cpu >= 0) {
+ ref->lo.fields_vapic.destination =
+ APICID_TO_IRTE_DEST_LO(cpu);
+ ref->hi.fields.destination =
+ APICID_TO_IRTE_DEST_HI(cpu);
+ }
ref->lo.fields_vapic.is_run = is_run;
barrier();
}