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1 | /* |
2 | * Copyright 2014 Cisco Systems, Inc. All rights reserved. | |
3 | * | |
4 | * This program is free software; you may redistribute it and/or modify | |
5 | * it under the terms of the GNU General Public License as published by | |
6 | * the Free Software Foundation; version 2 of the License. | |
7 | * | |
8 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, | |
9 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF | |
10 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND | |
11 | * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS | |
12 | * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN | |
13 | * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN | |
14 | * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | |
15 | * SOFTWARE. | |
16 | */ | |
17 | ||
18 | #ifndef _VNIC_DEV_H_ | |
19 | #define _VNIC_DEV_H_ | |
20 | ||
21 | #include "vnic_resource.h" | |
22 | #include "vnic_devcmd.h" | |
23 | ||
24 | #ifndef VNIC_PADDR_TARGET | |
25 | #define VNIC_PADDR_TARGET 0x0000000000000000ULL | |
26 | #endif | |
27 | ||
28 | #ifndef readq | |
29 | static inline u64 readq(void __iomem *reg) | |
30 | { | |
31 | return ((u64)readl(reg + 0x4UL) << 32) | (u64)readl(reg); | |
32 | } | |
33 | ||
34 | static inline void writeq(u64 val, void __iomem *reg) | |
35 | { | |
36 | writel(lower_32_bits(val), reg); | |
37 | writel(upper_32_bits(val), reg + 0x4UL); | |
38 | } | |
39 | #endif | |
40 | ||
41 | enum vnic_dev_intr_mode { | |
42 | VNIC_DEV_INTR_MODE_UNKNOWN, | |
43 | VNIC_DEV_INTR_MODE_INTX, | |
44 | VNIC_DEV_INTR_MODE_MSI, | |
45 | VNIC_DEV_INTR_MODE_MSIX, | |
46 | }; | |
47 | ||
48 | struct vnic_dev_bar { | |
49 | void __iomem *vaddr; | |
50 | dma_addr_t bus_addr; | |
51 | unsigned long len; | |
52 | }; | |
53 | ||
54 | struct vnic_dev_ring { | |
55 | void *descs; | |
56 | size_t size; | |
57 | dma_addr_t base_addr; | |
58 | size_t base_align; | |
59 | void *descs_unaligned; | |
60 | size_t size_unaligned; | |
61 | dma_addr_t base_addr_unaligned; | |
62 | unsigned int desc_size; | |
63 | unsigned int desc_count; | |
64 | unsigned int desc_avail; | |
65 | }; | |
66 | ||
67 | struct vnic_dev; | |
68 | struct vnic_stats; | |
69 | ||
70 | void *svnic_dev_priv(struct vnic_dev *vdev); | |
71 | unsigned int svnic_dev_get_res_count(struct vnic_dev *vdev, | |
72 | enum vnic_res_type type); | |
73 | void __iomem *svnic_dev_get_res(struct vnic_dev *vdev, enum vnic_res_type type, | |
74 | unsigned int index); | |
75 | unsigned int svnic_dev_desc_ring_size(struct vnic_dev_ring *ring, | |
76 | unsigned int desc_count, | |
77 | unsigned int desc_size); | |
78 | void svnic_dev_clear_desc_ring(struct vnic_dev_ring *ring); | |
79 | int svnic_dev_alloc_desc_ring(struct vnic_dev *vdev, struct vnic_dev_ring *ring, | |
80 | unsigned int desc_count, unsigned int desc_size); | |
81 | void svnic_dev_free_desc_ring(struct vnic_dev *vdev, | |
82 | struct vnic_dev_ring *ring); | |
83 | int svnic_dev_cmd(struct vnic_dev *vdev, enum vnic_devcmd_cmd cmd, | |
84 | u64 *a0, u64 *a1, int wait); | |
85 | int svnic_dev_fw_info(struct vnic_dev *vdev, | |
86 | struct vnic_devcmd_fw_info **fw_info); | |
87 | int svnic_dev_spec(struct vnic_dev *vdev, unsigned int offset, | |
88 | unsigned int size, void *value); | |
89 | int svnic_dev_stats_clear(struct vnic_dev *vdev); | |
90 | int svnic_dev_stats_dump(struct vnic_dev *vdev, struct vnic_stats **stats); | |
91 | int svnic_dev_notify_set(struct vnic_dev *vdev, u16 intr); | |
92 | void svnic_dev_notify_unset(struct vnic_dev *vdev); | |
93 | int svnic_dev_link_status(struct vnic_dev *vdev); | |
94 | u32 svnic_dev_link_down_cnt(struct vnic_dev *vdev); | |
95 | int svnic_dev_close(struct vnic_dev *vdev); | |
96 | int svnic_dev_enable_wait(struct vnic_dev *vdev); | |
97 | int svnic_dev_disable(struct vnic_dev *vdev); | |
98 | int svnic_dev_open(struct vnic_dev *vdev, int arg); | |
99 | int svnic_dev_open_done(struct vnic_dev *vdev, int *done); | |
100 | int svnic_dev_init(struct vnic_dev *vdev, int arg); | |
101 | struct vnic_dev *svnic_dev_alloc_discover(struct vnic_dev *vdev, | |
102 | void *priv, struct pci_dev *pdev, | |
103 | struct vnic_dev_bar *bar, | |
104 | unsigned int num_bars); | |
105 | void svnic_dev_set_intr_mode(struct vnic_dev *vdev, | |
106 | enum vnic_dev_intr_mode intr_mode); | |
107 | enum vnic_dev_intr_mode svnic_dev_get_intr_mode(struct vnic_dev *vdev); | |
108 | void svnic_dev_unregister(struct vnic_dev *vdev); | |
109 | int svnic_dev_cmd_init(struct vnic_dev *vdev, int fallback); | |
110 | #endif /* _VNIC_DEV_H_ */ |