PCI PM: Add function for checking PME status of devices

[safe/jmp/linux-2.6] / drivers / pci / pci.h

diff --git a/drivers/pci/pci.h b/drivers/pci/pci.h
index 45833a5..b95b0a0 100644 (file)
--- a/drivers/pci/pci.h
+++ b/drivers/pci/pci.h
@@ -16,6 +16,7 @@ extern void pci_cleanup_rom(struct pci_dev *dev);
 extern int pci_mmap_fits(struct pci_dev *pdev, int resno,
                         struct vm_area_struct *vma);
 #endif
+int pci_probe_reset_function(struct pci_dev *dev);
 
 /**
  * struct pci_platform_pm_ops - Firmware PM callbacks
@@ -48,10 +49,10 @@ struct pci_platform_pm_ops {
 extern int pci_set_platform_pm(struct pci_platform_pm_ops *ops);
 extern void pci_update_current_state(struct pci_dev *dev, pci_power_t state);
 extern void pci_disable_enabled_device(struct pci_dev *dev);
+extern bool pci_check_pme_status(struct pci_dev *dev);
 extern void pci_pm_init(struct pci_dev *dev);
 extern void platform_pci_wakeup_init(struct pci_dev *dev);
 extern void pci_allocate_cap_save_buffers(struct pci_dev *dev);
-extern int pci_restore_standard_config(struct pci_dev *dev);
 
 static inline bool pci_is_bridge(struct pci_dev *pci_dev)
 {
@@ -134,7 +135,6 @@ static inline int pci_no_d1d2(struct pci_dev *dev)
        return (dev->no_d1d2 || parent_dstates);
 
 }
-extern int pcie_mch_quirk;
 extern struct device_attribute pci_dev_attrs[];
 extern struct device_attribute dev_attr_cpuaffinity;
 extern struct device_attribute dev_attr_cpulistaffinity;
@@ -230,13 +230,37 @@ struct pci_sriov {
        u8 __iomem *mstate;     /* VF Migration State Array */
 };
 
+/* Address Translation Service */
+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
 extern int pci_iov_init(struct pci_dev *dev);
 extern void pci_iov_release(struct pci_dev *dev);
 extern int pci_iov_resource_bar(struct pci_dev *dev, int resno,
                                enum pci_bar_type *type);
+extern int pci_sriov_resource_alignment(struct pci_dev *dev, int resno);
 extern void pci_restore_iov_state(struct pci_dev *dev);
 extern int pci_iov_bus_range(struct pci_bus *bus);
+
+extern int pci_enable_ats(struct pci_dev *dev, int ps);
+extern void pci_disable_ats(struct pci_dev *dev);
+extern int pci_ats_queue_depth(struct pci_dev *dev);
+/**
+ * pci_ats_enabled - query the ATS status
+ * @dev: the PCI device
+ *
+ * Returns 1 if ATS capability is enabled, or 0 if not.
+ */
+static inline int pci_ats_enabled(struct pci_dev *dev)
+{
+       return dev->ats && dev->ats->is_enabled;
+}
 #else
 static inline int pci_iov_init(struct pci_dev *dev)
 {
@@ -258,6 +282,51 @@ static inline int pci_iov_bus_range(struct pci_bus *bus)
 {
        return 0;
 }
+
+static inline int pci_enable_ats(struct pci_dev *dev, int ps)
+{
+       return -ENODEV;
+}
+static inline void pci_disable_ats(struct pci_dev *dev)
+{
+}
+static inline int pci_ats_queue_depth(struct pci_dev *dev)
+{
+       return -ENODEV;
+}
+static inline int pci_ats_enabled(struct pci_dev *dev)
+{
+       return 0;
+}
 #endif /* CONFIG_PCI_IOV */
 
+static inline int pci_resource_alignment(struct pci_dev *dev,
+                                        struct resource *res)
+{
+#ifdef CONFIG_PCI_IOV
+       int resno = res - dev->resource;
+
+       if (resno >= PCI_IOV_RESOURCES && resno <= PCI_IOV_RESOURCE_END)
+               return pci_sriov_resource_alignment(dev, resno);
+#endif
+       return resource_alignment(res);
+}
+
+extern void pci_enable_acs(struct pci_dev *dev);
+
+struct pci_dev_reset_methods {
+       u16 vendor;
+       u16 device;
+       int (*reset)(struct pci_dev *dev, int probe);
+};
+
+#ifdef CONFIG_PCI_QUIRKS
+extern int pci_dev_specific_reset(struct pci_dev *dev, int probe);
+#else
+static inline int pci_dev_specific_reset(struct pci_dev *dev, int probe)
+{
+       return -ENOTTY;
+}
+#endif
+
 #endif /* DRIVERS_PCI_H */