/* SPDX-License-Identifier: GPL-2.0-only */ /* * Intel IFC VF NIC driver for virtio dataplane offloading * * Copyright (C) 2020 Intel Corporation. * * Author: Zhu Lingshan <[email protected]> * */ #ifndef _IFCVF_H_ #define _IFCVF_H_ #include <linux/pci.h> #include <linux/pci_regs.h> #include <linux/vdpa.h> #include <linux/virtio_pci_modern.h> #include <uapi/linux/virtio_net.h> #include <uapi/linux/virtio_blk.h> #include <uapi/linux/virtio_config.h> #include <uapi/linux/virtio_pci.h> #include <uapi/linux/vdpa.h> #define N3000_DEVICE_ID … #define N3000_SUBSYS_DEVICE_ID … #define IFCVF_QUEUE_ALIGNMENT … #define IFCVF_PCI_MAX_RESOURCE … #define IFCVF_LM_BAR … #define IFCVF_MIN_VQ_SIZE … #define IFCVF_ERR(pdev, fmt, ...) … #define IFCVF_DBG(pdev, fmt, ...) … #define IFCVF_INFO(pdev, fmt, ...) … /* all vqs and config interrupt has its own vector */ #define MSIX_VECTOR_PER_VQ_AND_CONFIG … /* all vqs share a vector, and config interrupt has a separate vector */ #define MSIX_VECTOR_SHARED_VQ_AND_CONFIG … /* all vqs and config interrupt share a vector */ #define MSIX_VECTOR_DEV_SHARED … struct vring_info { … }; struct ifcvf_lm_cfg { … }; struct ifcvf_hw { … }; struct ifcvf_adapter { … }; struct ifcvf_vdpa_mgmt_dev { … }; int ifcvf_init_hw(struct ifcvf_hw *hw, struct pci_dev *dev); void ifcvf_stop(struct ifcvf_hw *hw); void ifcvf_notify_queue(struct ifcvf_hw *hw, u16 qid); void ifcvf_read_dev_config(struct ifcvf_hw *hw, u64 offset, void *dst, int length); void ifcvf_write_dev_config(struct ifcvf_hw *hw, u64 offset, const void *src, int length); u8 ifcvf_get_status(struct ifcvf_hw *hw); void ifcvf_set_status(struct ifcvf_hw *hw, u8 status); void ifcvf_reset(struct ifcvf_hw *hw); u64 ifcvf_get_dev_features(struct ifcvf_hw *hw); u64 ifcvf_get_hw_features(struct ifcvf_hw *hw); int ifcvf_verify_min_features(struct ifcvf_hw *hw, u64 features); u16 ifcvf_get_vq_state(struct ifcvf_hw *hw, u16 qid); int ifcvf_set_vq_state(struct ifcvf_hw *hw, u16 qid, u16 num); u32 ifcvf_get_config_size(struct ifcvf_hw *hw); u16 ifcvf_set_vq_vector(struct ifcvf_hw *hw, u16 qid, int vector); u16 ifcvf_set_config_vector(struct ifcvf_hw *hw, int vector); void ifcvf_set_vq_num(struct ifcvf_hw *hw, u16 qid, u32 num); int ifcvf_set_vq_address(struct ifcvf_hw *hw, u16 qid, u64 desc_area, u64 driver_area, u64 device_area); bool ifcvf_get_vq_ready(struct ifcvf_hw *hw, u16 qid); void ifcvf_set_vq_ready(struct ifcvf_hw *hw, u16 qid, bool ready); void ifcvf_set_driver_features(struct ifcvf_hw *hw, u64 features); u64 ifcvf_get_driver_features(struct ifcvf_hw *hw); u16 ifcvf_get_max_vq_size(struct ifcvf_hw *hw); u16 ifcvf_get_vq_size(struct ifcvf_hw *hw, u16 qid); #endif /* _IFCVF_H_ */
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