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path: root/drivers/pci/pci.h
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Diffstat (limited to 'drivers/pci/pci.h')
-rw-r--r--drivers/pci/pci.h65
1 files changed, 65 insertions, 0 deletions
diff --git a/drivers/pci/pci.h b/drivers/pci/pci.h
index 149fff65891..d03f6b99f29 100644
--- a/drivers/pci/pci.h
+++ b/drivers/pci/pci.h
@@ -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
@@ -135,6 +137,12 @@ 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;
+#ifdef CONFIG_HOTPLUG
+extern struct bus_attribute pci_bus_attrs[];
+#else
+#define pci_bus_attrs NULL
+#endif
+
/**
* pci_match_one_device - Tell if a PCI device structure has a matching
@@ -177,6 +185,7 @@ enum pci_bar_type {
pci_bar_mem64, /* A 64-bit memory BAR */
};
+extern int pci_setup_device(struct pci_dev *dev);
extern int __pci_read_base(struct pci_dev *dev, enum pci_bar_type type,
struct resource *res, unsigned int reg);
extern int pci_resource_bar(struct pci_dev *dev, int resno,
@@ -194,4 +203,60 @@ static inline int pci_ari_enabled(struct pci_bus *bus)
return bus->self && bus->self->ari_enabled;
}
+#ifdef CONFIG_PCI_QUIRKS
+extern int pci_is_reassigndev(struct pci_dev *dev);
+resource_size_t pci_specified_resource_alignment(struct pci_dev *dev);
+extern void pci_disable_bridge_window(struct pci_dev *dev);
+#endif
+
+/* Single Root I/O Virtualization */
+struct pci_sriov {
+ int pos; /* capability position */
+ int nres; /* number of resources */
+ u32 cap; /* SR-IOV Capabilities */
+ u16 ctrl; /* SR-IOV Control */
+ u16 total; /* total VFs associated with the PF */
+ u16 initial; /* initial VFs associated with the PF */
+ u16 nr_virtfn; /* number of VFs available */
+ u16 offset; /* first VF Routing ID offset */
+ u16 stride; /* following VF stride */
+ u32 pgsz; /* page size for BAR alignment */
+ u8 link; /* Function Dependency Link */
+ 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
+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 void pci_restore_iov_state(struct pci_dev *dev);
+extern int pci_iov_bus_range(struct pci_bus *bus);
+#else
+static inline int pci_iov_init(struct pci_dev *dev)
+{
+ return -ENODEV;
+}
+static inline void pci_iov_release(struct pci_dev *dev)
+
+{
+}
+static inline int pci_iov_resource_bar(struct pci_dev *dev, int resno,
+ enum pci_bar_type *type)
+{
+ return 0;
+}
+static inline void pci_restore_iov_state(struct pci_dev *dev)
+{
+}
+static inline int pci_iov_bus_range(struct pci_bus *bus)
+{
+ return 0;
+}
+#endif /* CONFIG_PCI_IOV */
+
#endif /* DRIVERS_PCI_H */