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vnic_dev.h
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1 /*
2  * Copyright 2008 Cisco Systems, Inc. All rights reserved.
3  * Copyright 2007 Nuova Systems, Inc. All rights reserved.
4  *
5  * This program is free software; you may redistribute it and/or modify
6  * it under the terms of the GNU General Public License as published by
7  * the Free Software Foundation; version 2 of the License.
8  *
9  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
10  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
11  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
12  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
13  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
14  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
15  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
16  * SOFTWARE.
17  */
18 #ifndef _VNIC_DEV_H_
19 #define _VNIC_DEV_H_
20 
21 #include "vnic_resource.h"
22 #include "vnic_devcmd.h"
23 
24 /*
25  * These defines avoid symbol clash between fnic and enic (Cisco 10G Eth
26  * Driver) when both are built with CONFIG options =y
27  */
28 #define vnic_dev_priv fnic_dev_priv
29 #define vnic_dev_get_res_count fnic_dev_get_res_count
30 #define vnic_dev_get_res fnic_dev_get_res
31 #define vnic_dev_desc_ring_size fnic_dev_desc_ring_siz
32 #define vnic_dev_clear_desc_ring fnic_dev_clear_desc_ring
33 #define vnic_dev_alloc_desc_ring fnic_dev_alloc_desc_ring
34 #define vnic_dev_free_desc_ring fnic_dev_free_desc_ring
35 #define vnic_dev_cmd fnic_dev_cmd
36 #define vnic_dev_fw_info fnic_dev_fw_info
37 #define vnic_dev_spec fnic_dev_spec
38 #define vnic_dev_stats_clear fnic_dev_stats_clear
39 #define vnic_dev_stats_dump fnic_dev_stats_dump
40 #define vnic_dev_hang_notify fnic_dev_hang_notify
41 #define vnic_dev_packet_filter fnic_dev_packet_filter
42 #define vnic_dev_add_addr fnic_dev_add_addr
43 #define vnic_dev_del_addr fnic_dev_del_addr
44 #define vnic_dev_mac_addr fnic_dev_mac_addr
45 #define vnic_dev_notify_set fnic_dev_notify_set
46 #define vnic_dev_notify_unset fnic_dev_notify_unset
47 #define vnic_dev_link_status fnic_dev_link_status
48 #define vnic_dev_port_speed fnic_dev_port_speed
49 #define vnic_dev_msg_lvl fnic_dev_msg_lvl
50 #define vnic_dev_mtu fnic_dev_mtu
51 #define vnic_dev_link_down_cnt fnic_dev_link_down_cnt
52 #define vnic_dev_close fnic_dev_close
53 #define vnic_dev_enable fnic_dev_enable
54 #define vnic_dev_disable fnic_dev_disable
55 #define vnic_dev_open fnic_dev_open
56 #define vnic_dev_open_done fnic_dev_open_done
57 #define vnic_dev_init fnic_dev_init
58 #define vnic_dev_soft_reset fnic_dev_soft_reset
59 #define vnic_dev_soft_reset_done fnic_dev_soft_reset_done
60 #define vnic_dev_set_intr_mode fnic_dev_set_intr_mode
61 #define vnic_dev_get_intr_mode fnic_dev_get_intr_mode
62 #define vnic_dev_unregister fnic_dev_unregister
63 #define vnic_dev_register fnic_dev_register
64 
65 #ifndef VNIC_PADDR_TARGET
66 #define VNIC_PADDR_TARGET 0x0000000000000000ULL
67 #endif
68 
69 #ifndef readq
70 static inline u64 readq(void __iomem *reg)
71 {
72  return ((u64)readl(reg + 0x4UL) << 32) | (u64)readl(reg);
73 }
74 
75 static inline void writeq(u64 val, void __iomem *reg)
76 {
77  writel(val & 0xffffffff, reg);
78  writel(val >> 32, reg + 0x4UL);
79 }
80 #endif
81 
82 enum vnic_dev_intr_mode {
83  VNIC_DEV_INTR_MODE_UNKNOWN,
84  VNIC_DEV_INTR_MODE_INTX,
85  VNIC_DEV_INTR_MODE_MSI,
86  VNIC_DEV_INTR_MODE_MSIX,
87 };
88 
89 struct vnic_dev_bar {
90  void __iomem *vaddr;
91  dma_addr_t bus_addr;
92  unsigned long len;
93 };
94 
95 struct vnic_dev_ring {
96  void *descs;
97  size_t size;
98  dma_addr_t base_addr;
99  size_t base_align;
100  void *descs_unaligned;
101  size_t size_unaligned;
102  dma_addr_t base_addr_unaligned;
103  unsigned int desc_size;
104  unsigned int desc_count;
105  unsigned int desc_avail;
106 };
107 
108 struct vnic_dev;
109 struct vnic_stats;
110 
111 void *vnic_dev_priv(struct vnic_dev *vdev);
112 unsigned int vnic_dev_get_res_count(struct vnic_dev *vdev,
113  enum vnic_res_type type);
114 void __iomem *vnic_dev_get_res(struct vnic_dev *vdev, enum vnic_res_type type,
115  unsigned int index);
116 unsigned int vnic_dev_desc_ring_size(struct vnic_dev_ring *ring,
117  unsigned int desc_count,
118  unsigned int desc_size);
119 void vnic_dev_clear_desc_ring(struct vnic_dev_ring *ring);
120 int vnic_dev_alloc_desc_ring(struct vnic_dev *vdev, struct vnic_dev_ring *ring,
121  unsigned int desc_count, unsigned int desc_size);
122 void vnic_dev_free_desc_ring(struct vnic_dev *vdev,
123  struct vnic_dev_ring *ring);
124 int vnic_dev_cmd(struct vnic_dev *vdev, enum vnic_devcmd_cmd cmd,
125  u64 *a0, u64 *a1, int wait);
126 int vnic_dev_fw_info(struct vnic_dev *vdev,
127  struct vnic_devcmd_fw_info **fw_info);
128 int vnic_dev_spec(struct vnic_dev *vdev, unsigned int offset,
129  unsigned int size, void *value);
130 int vnic_dev_stats_clear(struct vnic_dev *vdev);
131 int vnic_dev_stats_dump(struct vnic_dev *vdev, struct vnic_stats **stats);
132 int vnic_dev_hang_notify(struct vnic_dev *vdev);
133 void vnic_dev_packet_filter(struct vnic_dev *vdev, int directed, int multicast,
134  int broadcast, int promisc, int allmulti);
135 void vnic_dev_add_addr(struct vnic_dev *vdev, u8 *addr);
136 void vnic_dev_del_addr(struct vnic_dev *vdev, u8 *addr);
137 int vnic_dev_mac_addr(struct vnic_dev *vdev, u8 *mac_addr);
138 int vnic_dev_notify_set(struct vnic_dev *vdev, u16 intr);
139 void vnic_dev_notify_unset(struct vnic_dev *vdev);
140 int vnic_dev_link_status(struct vnic_dev *vdev);
141 u32 vnic_dev_port_speed(struct vnic_dev *vdev);
142 u32 vnic_dev_msg_lvl(struct vnic_dev *vdev);
143 u32 vnic_dev_mtu(struct vnic_dev *vdev);
144 u32 vnic_dev_link_down_cnt(struct vnic_dev *vdev);
145 int vnic_dev_close(struct vnic_dev *vdev);
146 int vnic_dev_enable(struct vnic_dev *vdev);
147 int vnic_dev_disable(struct vnic_dev *vdev);
148 int vnic_dev_open(struct vnic_dev *vdev, int arg);
149 int vnic_dev_open_done(struct vnic_dev *vdev, int *done);
150 int vnic_dev_init(struct vnic_dev *vdev, int arg);
151 int vnic_dev_soft_reset(struct vnic_dev *vdev, int arg);
152 int vnic_dev_soft_reset_done(struct vnic_dev *vdev, int *done);
153 void vnic_dev_set_intr_mode(struct vnic_dev *vdev,
154  enum vnic_dev_intr_mode intr_mode);
155 enum vnic_dev_intr_mode vnic_dev_get_intr_mode(struct vnic_dev *vdev);
156 void vnic_dev_unregister(struct vnic_dev *vdev);
157 struct vnic_dev *vnic_dev_register(struct vnic_dev *vdev,
158  void *priv, struct pci_dev *pdev,
159  struct vnic_dev_bar *bar);
160 
161 #endif /* _VNIC_DEV_H_ */
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