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PCI: handle SR-IOV Virtual Function Migration

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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>
This commit is contained in:
Yu Zhao
2009-03-20 11:25:16 +08:00
committed by Jesse Barnes
parent dd7cc44d0b
commit 74bb1bcc7d
3 changed files with 129 additions and 0 deletions
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4
drivers/pci/pci.h
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@@ -1,6 +1,8 @@
#ifndef DRIVERS_PCI_H
#define DRIVERS_PCI_H
#include <linux/workqueue.h>
#define PCI_CFG_SPACE_SIZE 256
#define PCI_CFG_SPACE_EXP_SIZE 4096
@@ -218,6 +220,8 @@ struct pci_sriov {
struct pci_dev *dev; /* lowest numbered PF */
struct pci_dev *self; /* this PF */
struct mutex lock; /* lock for VF bus */
struct work_struct mtask; /* VF Migration task */
u8 __iomem *mstate; /* VF Migration State Array */
};
#ifdef CONFIG_PCI_IOV