PCI: handle SR-IOV Virtual Function Migration
Add or remove a Virtual Function after receiving a Migrate In or Out
Request.
Reviewed-by: Matthew Wilcox <willy@linux.intel.com>
Signed-off-by: Yu Zhao <yu.zhao@intel.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
diff --git a/include/linux/pci.h b/include/linux/pci.h
index c2e491e..1216843 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -52,6 +52,7 @@
#include <asm/atomic.h>
#include <linux/device.h>
#include <linux/io.h>
+#include <linux/irqreturn.h>
/* Include the ID list */
#include <linux/pci_ids.h>
@@ -1219,6 +1220,7 @@
#ifdef CONFIG_PCI_IOV
extern int pci_enable_sriov(struct pci_dev *dev, int nr_virtfn);
extern void pci_disable_sriov(struct pci_dev *dev);
+extern irqreturn_t pci_sriov_migration(struct pci_dev *dev);
#else
static inline int pci_enable_sriov(struct pci_dev *dev, int nr_virtfn)
{
@@ -1227,6 +1229,10 @@
static inline void pci_disable_sriov(struct pci_dev *dev)
{
}
+static inline irqreturn_t pci_sriov_migration(struct pci_dev *dev)
+{
+ return IRQ_NONE;
+}
#endif
#endif /* __KERNEL__ */