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virtio-pci: Introduce APIs to execute device parts admin commands

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Introduce APIs to handle the execution of device parts admin commands.

These APIs cover functionalities such as mode setting, object creation
and destruction, and operations like parts get/set and metadata
retrieval.

These APIs will be utilized in upcoming patches within this series.

Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Yishai Hadas <yishaih@nvidia.com>
Link: https://lore.kernel.org/r/20241113115200.209269-5-yishaih@nvidia.com
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
This commit is contained in:
Yishai Hadas
2024-11-13 13:51:57 +02:00
committed by Alex Williamson
parent bfcad51860
commit 52a22c0ed0
3 changed files with 366 additions and 1 deletions
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11
include/linux/virtio_pci_admin.h
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@@ -20,4 +20,15 @@ int virtio_pci_admin_legacy_io_notify_info(struct pci_dev *pdev,
u64 *bar_offset);
#endif
bool virtio_pci_admin_has_dev_parts(struct pci_dev *pdev);
int virtio_pci_admin_mode_set(struct pci_dev *pdev, u8 mode);
int virtio_pci_admin_obj_create(struct pci_dev *pdev, u16 obj_type, u8 operation_type,
u32 *obj_id);
int virtio_pci_admin_obj_destroy(struct pci_dev *pdev, u16 obj_type, u32 id);
int virtio_pci_admin_dev_parts_metadata_get(struct pci_dev *pdev, u16 obj_type,
u32 id, u8 metadata_type, u32 *out);
int virtio_pci_admin_dev_parts_get(struct pci_dev *pdev, u16 obj_type, u32 id,
u8 get_type, struct scatterlist *res_sg, u32 *res_size);
int virtio_pci_admin_dev_parts_set(struct pci_dev *pdev, struct scatterlist *data_sg);
#endif /* _LINUX_VIRTIO_PCI_ADMIN_H */