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authorYu Zhao <yu.zhao@intel.com>2009-03-20 06:25:16 +0300
committerJesse Barnes <jbarnes@virtuousgeek.org>2009-03-20 20:48:28 +0300
commit74bb1bcc7dbbc9ddef773bf3395d7ff92aaaad2e (patch)
tree38dd25aed251b00a4b34612320beb64f4a058814 /include/linux/pci.h
parentdd7cc44d0bcec5e9c42fe52e88dc254ae62eac8d (diff)
downloadlinux-74bb1bcc7dbbc9ddef773bf3395d7ff92aaaad2e.tar.xz
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>
Diffstat (limited to 'include/linux/pci.h')
-rw-r--r--include/linux/pci.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/include/linux/pci.h b/include/linux/pci.h
index c2e491e04063..1216843412da 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 @@ void __iomem *pci_ioremap_bar(struct pci_dev *pdev, int bar);
#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 int pci_enable_sriov(struct pci_dev *dev, int nr_virtfn)
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__ */