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path: root/drivers/pci/pci.h
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Diffstat (limited to 'drivers/pci/pci.h')
-rw-r--r--drivers/pci/pci.h4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/pci/pci.h b/drivers/pci/pci.h
index 3c2ec64f78e..f73bcbedf37 100644
--- a/drivers/pci/pci.h
+++ b/drivers/pci/pci.h
@@ -234,6 +234,8 @@ struct pci_ats {
int pos; /* capability position */
int stu; /* Smallest Translation Unit */
int qdep; /* Invalidate Queue Depth */
+ int ref_cnt; /* Physical Function reference count */
+ int is_enabled:1; /* Enable bit is set */
};
#ifdef CONFIG_PCI_IOV
@@ -255,7 +257,7 @@ extern int pci_ats_queue_depth(struct pci_dev *dev);
*/
static inline int pci_ats_enabled(struct pci_dev *dev)
{
- return !!dev->ats;
+ return dev->ats && dev->ats->is_enabled;
}
#else
static inline int pci_iov_init(struct pci_dev *dev)