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brintos / linux-shallow public Read only

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1/* SPDX-License-Identifier: GPL-2.0-only */2/* Copyright(c) 2023 Advanced Micro Devices, Inc */3 4#ifndef _VDPA_DEV_H_5#define _VDPA_DEV_H_6 7#include <linux/pci.h>8#include <linux/vdpa.h>9 10struct pds_vdpa_vq_info {11	bool ready;12	u64 desc_addr;13	u64 avail_addr;14	u64 used_addr;15	u32 q_len;16	u16 qid;17	int irq;18	char irq_name[32];19 20	void __iomem *notify;21	dma_addr_t notify_pa;22 23	u64 doorbell;24	u16 avail_idx;25	u16 used_idx;26 27	struct vdpa_callback event_cb;28	struct pds_vdpa_device *pdsv;29};30 31#define PDS_VDPA_MAX_QUEUES	6532#define PDS_VDPA_MAX_QLEN	3276833struct pds_vdpa_device {34	struct vdpa_device vdpa_dev;35	struct pds_vdpa_aux *vdpa_aux;36 37	struct pds_vdpa_vq_info vqs[PDS_VDPA_MAX_QUEUES];38	u64 supported_features;		/* supported device features */39	u64 negotiated_features;	/* negotiated features */40	u8 vdpa_index;			/* rsvd for future subdevice use */41	u8 num_vqs;			/* num vqs in use */42	u8 mac[ETH_ALEN];		/* mac selected when the device was added */43	struct vdpa_callback config_cb;44	struct notifier_block nb;45};46 47#define PDS_VDPA_PACKED_INVERT_IDX	0x800048 49void pds_vdpa_release_irqs(struct pds_vdpa_device *pdsv);50int pds_vdpa_get_mgmt_info(struct pds_vdpa_aux *vdpa_aux);51#endif /* _VDPA_DEV_H_ */52