| /* SPDX-License-Identifier: GPL-2.0 */ |
| #ifndef _LINUX_VIRTIO_PCI_LEGACY_H |
| #define _LINUX_VIRTIO_PCI_LEGACY_H |
| |
| #include "linux/mod_devicetable.h" |
| #include <linux/pci.h> |
| #include <linux/virtio_pci.h> |
| |
| struct virtio_pci_legacy_device { |
| struct pci_dev *pci_dev; |
| |
| /* Where to read and clear interrupt */ |
| u8 __iomem *isr; |
| /* The IO mapping for the PCI config space (legacy mode only) */ |
| void __iomem *ioaddr; |
| |
| struct virtio_device_id id; |
| }; |
| |
| u64 vp_legacy_get_features(struct virtio_pci_legacy_device *ldev); |
| u64 vp_legacy_get_driver_features(struct virtio_pci_legacy_device *ldev); |
| void vp_legacy_set_features(struct virtio_pci_legacy_device *ldev, |
| u32 features); |
| u8 vp_legacy_get_status(struct virtio_pci_legacy_device *ldev); |
| void vp_legacy_set_status(struct virtio_pci_legacy_device *ldev, |
| u8 status); |
| u16 vp_legacy_queue_vector(struct virtio_pci_legacy_device *ldev, |
| u16 idx, u16 vector); |
| u16 vp_legacy_config_vector(struct virtio_pci_legacy_device *ldev, |
| u16 vector); |
| void vp_legacy_set_queue_address(struct virtio_pci_legacy_device *ldev, |
| u16 index, u32 queue_pfn); |
| bool vp_legacy_get_queue_enable(struct virtio_pci_legacy_device *ldev, |
| u16 idx); |
| void vp_legacy_set_queue_size(struct virtio_pci_legacy_device *ldev, |
| u16 idx, u16 size); |
| u16 vp_legacy_get_queue_size(struct virtio_pci_legacy_device *ldev, |
| u16 idx); |
| int vp_legacy_probe(struct virtio_pci_legacy_device *ldev); |
| void vp_legacy_remove(struct virtio_pci_legacy_device *ldev); |
| |
| #endif |