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_TARGET |
11 | #define VNIC_PADDR_TARGET 0x0000000000000000ULL |
12 | #endif |
13 | |
14 | #ifndef readq |
15 | static inline u64 readq(void __iomem *reg) |
16 | { |
17 | return ((u64)readl(reg + 0x4UL) << 32) | (u64)readl(reg); |
18 | } |
19 | |
20 | static 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 | #endif |
26 | |
27 | enum 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 | |
34 | struct vnic_dev_bar { |
35 | void __iomem *vaddr; |
36 | dma_addr_t bus_addr; |
37 | unsigned long len; |
38 | }; |
39 | |
40 | struct 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 | |
53 | struct vnic_dev; |
54 | struct vnic_stats; |
55 | |
56 | void *svnic_dev_priv(struct vnic_dev *vdev); |
57 | unsigned int svnic_dev_get_res_count(struct vnic_dev *vdev, |
58 | enum vnic_res_type type); |
59 | void __iomem *svnic_dev_get_res(struct vnic_dev *vdev, enum vnic_res_type type, |
60 | unsigned int index); |
61 | unsigned int svnic_dev_desc_ring_size(struct vnic_dev_ring *ring, |
62 | unsigned int desc_count, |
63 | unsigned int desc_size); |
64 | void svnic_dev_clear_desc_ring(struct vnic_dev_ring *ring); |
65 | int svnic_dev_alloc_desc_ring(struct vnic_dev *vdev, struct vnic_dev_ring *ring, |
66 | unsigned int desc_count, unsigned int desc_size); |
67 | void svnic_dev_free_desc_ring(struct vnic_dev *vdev, |
68 | struct vnic_dev_ring *ring); |
69 | int svnic_dev_cmd(struct vnic_dev *vdev, enum vnic_devcmd_cmd cmd, |
70 | u64 *a0, u64 *a1, int wait); |
71 | int svnic_dev_fw_info(struct vnic_dev *vdev, |
72 | struct vnic_devcmd_fw_info **fw_info); |
73 | int svnic_dev_spec(struct vnic_dev *vdev, unsigned int offset, |
74 | unsigned int size, void *value); |
75 | int svnic_dev_stats_clear(struct vnic_dev *vdev); |
76 | int svnic_dev_stats_dump(struct vnic_dev *vdev, struct vnic_stats **stats); |
77 | int svnic_dev_notify_set(struct vnic_dev *vdev, u16 intr); |
78 | void svnic_dev_notify_unset(struct vnic_dev *vdev); |
79 | int svnic_dev_link_status(struct vnic_dev *vdev); |
80 | u32 svnic_dev_link_down_cnt(struct vnic_dev *vdev); |
81 | int svnic_dev_close(struct vnic_dev *vdev); |
82 | int svnic_dev_enable_wait(struct vnic_dev *vdev); |
83 | int svnic_dev_disable(struct vnic_dev *vdev); |
84 | int svnic_dev_open(struct vnic_dev *vdev, int arg); |
85 | int svnic_dev_open_done(struct vnic_dev *vdev, int *done); |
86 | int svnic_dev_init(struct vnic_dev *vdev, int arg); |
87 | struct 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); |
91 | void svnic_dev_set_intr_mode(struct vnic_dev *vdev, |
92 | enum vnic_dev_intr_mode intr_mode); |
93 | enum vnic_dev_intr_mode svnic_dev_get_intr_mode(struct vnic_dev *vdev); |
94 | void svnic_dev_unregister(struct vnic_dev *vdev); |
95 | int svnic_dev_cmd_init(struct vnic_dev *vdev, int fallback); |
96 | #endif /* _VNIC_DEV_H_ */ |
97 | |