diff options
| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
| commit | ace9429bb58fd418f0c81d4c2835699bddf6bde6 (patch) | |
| tree | b2d64bc10158fdd5497876388cd68142ca374ed3 /include/linux/pci-ats.h | |
| parent | Initial commit. (diff) | |
| download | linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.tar.xz linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.zip | |
Adding upstream version 6.6.15.upstream/6.6.15
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'include/linux/pci-ats.h')
| -rw-r--r-- | include/linux/pci-ats.h | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/include/linux/pci-ats.h b/include/linux/pci-ats.h new file mode 100644 index 000000000..df54cd5b1 --- /dev/null +++ b/include/linux/pci-ats.h @@ -0,0 +1,52 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef LINUX_PCI_ATS_H +#define LINUX_PCI_ATS_H + +#include <linux/pci.h> + +#ifdef CONFIG_PCI_ATS +/* Address Translation Service */ +bool pci_ats_supported(struct pci_dev *dev); +int pci_enable_ats(struct pci_dev *dev, int ps); +void pci_disable_ats(struct pci_dev *dev); +int pci_ats_queue_depth(struct pci_dev *dev); +int pci_ats_page_aligned(struct pci_dev *dev); +#else /* CONFIG_PCI_ATS */ +static inline bool pci_ats_supported(struct pci_dev *d) +{ return false; } +static inline int pci_enable_ats(struct pci_dev *d, int ps) +{ return -ENODEV; } +static inline void pci_disable_ats(struct pci_dev *d) { } +static inline int pci_ats_queue_depth(struct pci_dev *d) +{ return -ENODEV; } +static inline int pci_ats_page_aligned(struct pci_dev *dev) +{ return 0; } +#endif /* CONFIG_PCI_ATS */ + +#ifdef CONFIG_PCI_PRI +int pci_enable_pri(struct pci_dev *pdev, u32 reqs); +void pci_disable_pri(struct pci_dev *pdev); +int pci_reset_pri(struct pci_dev *pdev); +int pci_prg_resp_pasid_required(struct pci_dev *pdev); +bool pci_pri_supported(struct pci_dev *pdev); +#else +static inline bool pci_pri_supported(struct pci_dev *pdev) +{ return false; } +#endif /* CONFIG_PCI_PRI */ + +#ifdef CONFIG_PCI_PASID +int pci_enable_pasid(struct pci_dev *pdev, int features); +void pci_disable_pasid(struct pci_dev *pdev); +int pci_pasid_features(struct pci_dev *pdev); +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 */ |