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1/* SPDX-License-Identifier: GPL-2.0-only */2/* Copyright 2014 Cisco Systems, Inc. All rights reserved. */3 4#ifndef _VNIC_DEV_H_5#define _VNIC_DEV_H_6 7#include "vnic_resource.h"8#include "vnic_devcmd.h"9 10#ifndef VNIC_PADDR_TARGET11#define VNIC_PADDR_TARGET 0x0000000000000000ULL12#endif13 14#ifndef readq15static inline u64 readq(void __iomem *reg)16{17 return ((u64)readl(reg + 0x4UL) << 32) | (u64)readl(reg);18}19 20static inline void writeq(u64 val, void __iomem *reg)21{22 writel(lower_32_bits(val), reg);23 writel(upper_32_bits(val), reg + 0x4UL);24}25#endif26 27enum vnic_dev_intr_mode {28 VNIC_DEV_INTR_MODE_UNKNOWN,29 VNIC_DEV_INTR_MODE_INTX,30 VNIC_DEV_INTR_MODE_MSI,31 VNIC_DEV_INTR_MODE_MSIX,32};33 34struct vnic_dev_bar {35 void __iomem *vaddr;36 dma_addr_t bus_addr;37 unsigned long len;38};39 40struct vnic_dev_ring {41 void *descs;42 size_t size;43 dma_addr_t base_addr;44 size_t base_align;45 void *descs_unaligned;46 size_t size_unaligned;47 dma_addr_t base_addr_unaligned;48 unsigned int desc_size;49 unsigned int desc_count;50 unsigned int desc_avail;51};52 53struct vnic_dev;54struct vnic_stats;55 56void *svnic_dev_priv(struct vnic_dev *vdev);57unsigned int svnic_dev_get_res_count(struct vnic_dev *vdev,58 enum vnic_res_type type);59void __iomem *svnic_dev_get_res(struct vnic_dev *vdev, enum vnic_res_type type,60 unsigned int index);61unsigned int svnic_dev_desc_ring_size(struct vnic_dev_ring *ring,62 unsigned int desc_count,63 unsigned int desc_size);64void svnic_dev_clear_desc_ring(struct vnic_dev_ring *ring);65int svnic_dev_alloc_desc_ring(struct vnic_dev *vdev, struct vnic_dev_ring *ring,66 unsigned int desc_count, unsigned int desc_size);67void svnic_dev_free_desc_ring(struct vnic_dev *vdev,68 struct vnic_dev_ring *ring);69int svnic_dev_cmd(struct vnic_dev *vdev, enum vnic_devcmd_cmd cmd,70 u64 *a0, u64 *a1, int wait);71int svnic_dev_fw_info(struct vnic_dev *vdev,72 struct vnic_devcmd_fw_info **fw_info);73int svnic_dev_spec(struct vnic_dev *vdev, unsigned int offset,74 unsigned int size, void *value);75int svnic_dev_stats_clear(struct vnic_dev *vdev);76int svnic_dev_stats_dump(struct vnic_dev *vdev, struct vnic_stats **stats);77int svnic_dev_notify_set(struct vnic_dev *vdev, u16 intr);78void svnic_dev_notify_unset(struct vnic_dev *vdev);79int svnic_dev_link_status(struct vnic_dev *vdev);80u32 svnic_dev_link_down_cnt(struct vnic_dev *vdev);81int svnic_dev_close(struct vnic_dev *vdev);82int svnic_dev_enable_wait(struct vnic_dev *vdev);83int svnic_dev_disable(struct vnic_dev *vdev);84int svnic_dev_open(struct vnic_dev *vdev, int arg);85int svnic_dev_open_done(struct vnic_dev *vdev, int *done);86int svnic_dev_init(struct vnic_dev *vdev, int arg);87struct vnic_dev *svnic_dev_alloc_discover(struct vnic_dev *vdev,88 void *priv, struct pci_dev *pdev,89 struct vnic_dev_bar *bar,90 unsigned int num_bars);91void svnic_dev_set_intr_mode(struct vnic_dev *vdev,92 enum vnic_dev_intr_mode intr_mode);93enum vnic_dev_intr_mode svnic_dev_get_intr_mode(struct vnic_dev *vdev);94void svnic_dev_unregister(struct vnic_dev *vdev);95int svnic_dev_cmd_init(struct vnic_dev *vdev, int fallback);96#endif /* _VNIC_DEV_H_ */97