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| author | Lucas De Marchi <lucas.demarchi@intel.com> | 2025-08-12 05:58:37 -0700 |
|---|---|---|
| committer | Lucas De Marchi <lucas.demarchi@intel.com> | 2025-08-12 05:58:37 -0700 |
| commit | ca994e8922f25f7fed2075098f185cf198109eaa (patch) | |
| tree | b400201be96c4ddedc9d864b30da039df32e8df9 /include/linux/virtio_pci_modern.h | |
| parent | 30e0c3f43a414616e0b6ca76cf7f7b2cd387e1d4 (diff) | |
| parent | 8f5ae30d69d7543eee0d70083daf4de8fe15d585 (diff) | |
| download | linux-next-ca994e8922f25f7fed2075098f185cf198109eaa.tar.gz linux-next-ca994e8922f25f7fed2075098f185cf198109eaa.zip | |
Merge drm/drm-next into drm-xe-next
Bring v6.17-rc1 to propagate commits from other subsystems, particularly
PCI, which has some new functions needed for SR-IOV integration.
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Diffstat (limited to 'include/linux/virtio_pci_modern.h')
| -rw-r--r-- | include/linux/virtio_pci_modern.h | 43 |
1 files changed, 39 insertions, 4 deletions
diff --git a/include/linux/virtio_pci_modern.h b/include/linux/virtio_pci_modern.h index c0b1b1ca1163..48bc12d1045b 100644 --- a/include/linux/virtio_pci_modern.h +++ b/include/linux/virtio_pci_modern.h @@ -3,6 +3,7 @@ #define _LINUX_VIRTIO_PCI_MODERN_H #include <linux/pci.h> +#include <linux/virtio_config.h> #include <linux/virtio_pci.h> /** @@ -95,10 +96,44 @@ static inline void vp_iowrite64_twopart(u64 val, vp_iowrite32(val >> 32, hi); } -u64 vp_modern_get_features(struct virtio_pci_modern_device *mdev); -u64 vp_modern_get_driver_features(struct virtio_pci_modern_device *mdev); -void vp_modern_set_features(struct virtio_pci_modern_device *mdev, - u64 features); +void +vp_modern_get_driver_extended_features(struct virtio_pci_modern_device *mdev, + u64 *features); +void vp_modern_get_extended_features(struct virtio_pci_modern_device *mdev, + u64 *features); +void vp_modern_set_extended_features(struct virtio_pci_modern_device *mdev, + const u64 *features); + +static inline u64 +vp_modern_get_features(struct virtio_pci_modern_device *mdev) +{ + u64 features_array[VIRTIO_FEATURES_DWORDS]; + + vp_modern_get_extended_features(mdev, features_array); + return features_array[0]; +} + +static inline u64 +vp_modern_get_driver_features(struct virtio_pci_modern_device *mdev) +{ + u64 features_array[VIRTIO_FEATURES_DWORDS]; + int i; + + vp_modern_get_driver_extended_features(mdev, features_array); + for (i = 1; i < VIRTIO_FEATURES_DWORDS; ++i) + WARN_ON_ONCE(features_array[i]); + return features_array[0]; +} + +static inline void +vp_modern_set_features(struct virtio_pci_modern_device *mdev, u64 features) +{ + u64 features_array[VIRTIO_FEATURES_DWORDS]; + + virtio_features_from_u64(features_array, features); + vp_modern_set_extended_features(mdev, features_array); +} + u32 vp_modern_generation(struct virtio_pci_modern_device *mdev); u8 vp_modern_get_status(struct virtio_pci_modern_device *mdev); void vp_modern_set_status(struct virtio_pci_modern_device *mdev, |