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dfb99b050e
Based on the normalized pattern:
this program is free software you may redistribute it and/or modify it
under the terms of the gnu general public license as published by the
free software foundation version 2 of the license the software is
provided as is without warranty of any kind express or implied
including but not limited to the warranties of merchantability fitness
for a particular purpose and noninfringement in no event shall the
authors or copyright holders be liable for any claim damages or other
liability whether in an action of contract tort or otherwise arising
from out of or in connection with the software or the use or other
dealings in the software
extracted by the scancode license scanner the SPDX license identifier
GPL-2.0-only
has been chosen to replace the boilerplate/reference.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
97 lines
3.1 KiB
C
97 lines
3.1 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/* Copyright 2014 Cisco Systems, Inc. All rights reserved. */
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#ifndef _VNIC_DEV_H_
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#define _VNIC_DEV_H_
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#include "vnic_resource.h"
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#include "vnic_devcmd.h"
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#ifndef VNIC_PADDR_TARGET
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#define VNIC_PADDR_TARGET 0x0000000000000000ULL
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#endif
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#ifndef readq
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static inline u64 readq(void __iomem *reg)
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{
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return ((u64)readl(reg + 0x4UL) << 32) | (u64)readl(reg);
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}
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static inline void writeq(u64 val, void __iomem *reg)
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{
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writel(lower_32_bits(val), reg);
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writel(upper_32_bits(val), reg + 0x4UL);
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}
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#endif
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enum vnic_dev_intr_mode {
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VNIC_DEV_INTR_MODE_UNKNOWN,
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VNIC_DEV_INTR_MODE_INTX,
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VNIC_DEV_INTR_MODE_MSI,
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VNIC_DEV_INTR_MODE_MSIX,
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};
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struct vnic_dev_bar {
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void __iomem *vaddr;
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dma_addr_t bus_addr;
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unsigned long len;
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};
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struct vnic_dev_ring {
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void *descs;
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size_t size;
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dma_addr_t base_addr;
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size_t base_align;
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void *descs_unaligned;
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size_t size_unaligned;
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dma_addr_t base_addr_unaligned;
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unsigned int desc_size;
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unsigned int desc_count;
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unsigned int desc_avail;
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};
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struct vnic_dev;
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struct vnic_stats;
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void *svnic_dev_priv(struct vnic_dev *vdev);
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unsigned int svnic_dev_get_res_count(struct vnic_dev *vdev,
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enum vnic_res_type type);
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void __iomem *svnic_dev_get_res(struct vnic_dev *vdev, enum vnic_res_type type,
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unsigned int index);
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unsigned int svnic_dev_desc_ring_size(struct vnic_dev_ring *ring,
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unsigned int desc_count,
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unsigned int desc_size);
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void svnic_dev_clear_desc_ring(struct vnic_dev_ring *ring);
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int svnic_dev_alloc_desc_ring(struct vnic_dev *vdev, struct vnic_dev_ring *ring,
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unsigned int desc_count, unsigned int desc_size);
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void svnic_dev_free_desc_ring(struct vnic_dev *vdev,
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struct vnic_dev_ring *ring);
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int svnic_dev_cmd(struct vnic_dev *vdev, enum vnic_devcmd_cmd cmd,
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u64 *a0, u64 *a1, int wait);
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int svnic_dev_fw_info(struct vnic_dev *vdev,
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struct vnic_devcmd_fw_info **fw_info);
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int svnic_dev_spec(struct vnic_dev *vdev, unsigned int offset,
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unsigned int size, void *value);
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int svnic_dev_stats_clear(struct vnic_dev *vdev);
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int svnic_dev_stats_dump(struct vnic_dev *vdev, struct vnic_stats **stats);
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int svnic_dev_notify_set(struct vnic_dev *vdev, u16 intr);
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void svnic_dev_notify_unset(struct vnic_dev *vdev);
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int svnic_dev_link_status(struct vnic_dev *vdev);
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u32 svnic_dev_link_down_cnt(struct vnic_dev *vdev);
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int svnic_dev_close(struct vnic_dev *vdev);
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int svnic_dev_enable_wait(struct vnic_dev *vdev);
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int svnic_dev_disable(struct vnic_dev *vdev);
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int svnic_dev_open(struct vnic_dev *vdev, int arg);
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int svnic_dev_open_done(struct vnic_dev *vdev, int *done);
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int svnic_dev_init(struct vnic_dev *vdev, int arg);
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struct vnic_dev *svnic_dev_alloc_discover(struct vnic_dev *vdev,
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void *priv, struct pci_dev *pdev,
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struct vnic_dev_bar *bar,
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unsigned int num_bars);
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void svnic_dev_set_intr_mode(struct vnic_dev *vdev,
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enum vnic_dev_intr_mode intr_mode);
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enum vnic_dev_intr_mode svnic_dev_get_intr_mode(struct vnic_dev *vdev);
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void svnic_dev_unregister(struct vnic_dev *vdev);
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int svnic_dev_cmd_init(struct vnic_dev *vdev, int fallback);
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#endif /* _VNIC_DEV_H_ */
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