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Diffstat (limited to 'include/linux/pci-ats.h')
-rw-r--r--include/linux/pci-ats.h81
1 files changed, 78 insertions, 3 deletions
diff --git a/include/linux/pci-ats.h b/include/linux/pci-ats.h
index 655824fa4c7..7ef68724f0f 100644
--- a/include/linux/pci-ats.h
+++ b/include/linux/pci-ats.h
@@ -1,6 +1,8 @@
#ifndef LINUX_PCI_ATS_H
#define LINUX_PCI_ATS_H
+#include <linux/pci.h>
+
/* Address Translation Service */
struct pci_ats {
int pos; /* capability position */
@@ -10,11 +12,12 @@ struct pci_ats {
unsigned int is_enabled:1; /* Enable bit is set */
};
-#ifdef CONFIG_PCI_IOV
+#ifdef CONFIG_PCI_ATS
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
@@ -26,7 +29,7 @@ static inline int pci_ats_enabled(struct pci_dev *dev)
return dev->ats && dev->ats->is_enabled;
}
-#else /* CONFIG_PCI_IOV */
+#else /* CONFIG_PCI_ATS */
static inline int pci_enable_ats(struct pci_dev *dev, int ps)
{
@@ -47,6 +50,78 @@ static inline int pci_ats_enabled(struct pci_dev *dev)
return 0;
}
-#endif /* CONFIG_PCI_IOV */
+#endif /* CONFIG_PCI_ATS */
+
+#ifdef CONFIG_PCI_PRI
+
+extern int pci_enable_pri(struct pci_dev *pdev, u32 reqs);
+extern void pci_disable_pri(struct pci_dev *pdev);
+extern bool pci_pri_enabled(struct pci_dev *pdev);
+extern int pci_reset_pri(struct pci_dev *pdev);
+extern bool pci_pri_stopped(struct pci_dev *pdev);
+extern int pci_pri_status(struct pci_dev *pdev);
+
+#else /* CONFIG_PCI_PRI */
+
+static inline int pci_enable_pri(struct pci_dev *pdev, u32 reqs)
+{
+ return -ENODEV;
+}
+
+static inline void pci_disable_pri(struct pci_dev *pdev)
+{
+}
+
+static inline bool pci_pri_enabled(struct pci_dev *pdev)
+{
+ return false;
+}
+
+static inline int pci_reset_pri(struct pci_dev *pdev)
+{
+ return -ENODEV;
+}
+
+static inline bool pci_pri_stopped(struct pci_dev *pdev)
+{
+ return true;
+}
+
+static inline int pci_pri_status(struct pci_dev *pdev)
+{
+ return -ENODEV;
+}
+#endif /* CONFIG_PCI_PRI */
+
+#ifdef CONFIG_PCI_PASID
+
+extern int pci_enable_pasid(struct pci_dev *pdev, int features);
+extern void pci_disable_pasid(struct pci_dev *pdev);
+extern int pci_pasid_features(struct pci_dev *pdev);
+extern int pci_max_pasids(struct pci_dev *pdev);
+
+#else /* CONFIG_PCI_PASID */
+
+static inline int pci_enable_pasid(struct pci_dev *pdev, int features)
+{
+ return -EINVAL;
+}
+
+static inline void pci_disable_pasid(struct pci_dev *pdev)
+{
+}
+
+static inline int pci_pasid_features(struct pci_dev *pdev)
+{
+ return -EINVAL;
+}
+
+static inline int pci_max_pasids(struct pci_dev *pdev)
+{
+ return -EINVAL;
+}
+
+#endif /* CONFIG_PCI_PASID */
+
#endif /* LINUX_PCI_ATS_H*/