diff options
Diffstat (limited to 'include/linux/pci-ats.h')
-rw-r--r-- | include/linux/pci-ats.h | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/include/linux/pci-ats.h b/include/linux/pci-ats.h index 655824fa4c76..e3d0b3890249 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 */ @@ -15,6 +17,7 @@ struct 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 @@ -49,4 +52,76 @@ static inline int pci_ats_enabled(struct pci_dev *dev) #endif /* CONFIG_PCI_IOV */ +#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*/ |