| Narsimhulu Musini | c8806b6 | 2015-05-29 01:04:01 -0700 | [diff] [blame] | 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_ */ |