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authorShaohua Li <shaohua.li@intel.com>2006-02-08 12:11:38 +0300
committerGreg Kroah-Hartman <gregkh@suse.de>2006-04-14 23:25:25 +0400
commit41017f0cac925e4a6bcf3359b75e5538112d4216 (patch)
tree5c8f4590707450820ffb286f681bcaeb300cde84 /drivers/pci/pci.h
parentf043ca43c1ae354346f72dc5826d820d5619f0b2 (diff)
downloadlinux-41017f0cac925e4a6bcf3359b75e5538112d4216.tar.xz
[PATCH] PCI: MSI(X) save/restore for suspend/resume
Add MSI(X) configure sapce save/restore in generic PCI helper. Signed-off-by: Shaohua Li <shaohua.li@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/pci/pci.h')
-rw-r--r--drivers/pci/pci.h11
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/pci/pci.h b/drivers/pci/pci.h
index 8f3fb47ea671..30630cbe2fe3 100644
--- a/drivers/pci/pci.h
+++ b/drivers/pci/pci.h
@@ -55,6 +55,17 @@ void pci_no_msi(void);
static inline void disable_msi_mode(struct pci_dev *dev, int pos, int type) { }
static inline void pci_no_msi(void) { }
#endif
+#if defined(CONFIG_PCI_MSI) && defined(CONFIG_PM)
+int pci_save_msi_state(struct pci_dev *dev);
+int pci_save_msix_state(struct pci_dev *dev);
+void pci_restore_msi_state(struct pci_dev *dev);
+void pci_restore_msix_state(struct pci_dev *dev);
+#else
+static inline int pci_save_msi_state(struct pci_dev *dev) { return 0; }
+static inline int pci_save_msix_state(struct pci_dev *dev) { return 0; }
+static inline void pci_restore_msi_state(struct pci_dev *dev) {}
+static inline void pci_restore_msix_state(struct pci_dev *dev) {}
+#endif
extern int pcie_mch_quirk;
extern struct device_attribute pci_dev_attrs[];