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vnic_dev.h
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1 /*
2  * Copyright 2008-2010 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  */
19 
20 #ifndef _VNIC_DEV_H_
21 #define _VNIC_DEV_H_
22 
23 #include "vnic_resource.h"
24 #include "vnic_devcmd.h"
25 
26 #ifndef VNIC_PADDR_TARGET
27 #define VNIC_PADDR_TARGET 0x0000000000000000ULL
28 #endif
29 
30 #ifndef readq
31 static inline u64 readq(void __iomem *reg)
32 {
33  return (((u64)readl(reg + 0x4UL) << 32) |
34  (u64)readl(reg));
35 }
36 
37 static inline void writeq(u64 val, void __iomem *reg)
38 {
39  writel(val & 0xffffffff, reg);
40  writel(val >> 32, reg + 0x4UL);
41 }
42 #endif
43 
44 #undef pr_fmt
45 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
46 
47 enum vnic_dev_intr_mode {
48  VNIC_DEV_INTR_MODE_UNKNOWN,
49  VNIC_DEV_INTR_MODE_INTX,
50  VNIC_DEV_INTR_MODE_MSI,
51  VNIC_DEV_INTR_MODE_MSIX,
52 };
53 
54 struct vnic_dev_bar {
55  void __iomem *vaddr;
56  dma_addr_t bus_addr;
57  unsigned long len;
58 };
59 
60 struct vnic_dev_ring {
61  void *descs;
62  size_t size;
63  dma_addr_t base_addr;
64  size_t base_align;
65  void *descs_unaligned;
66  size_t size_unaligned;
67  dma_addr_t base_addr_unaligned;
68  unsigned int desc_size;
69  unsigned int desc_count;
70  unsigned int desc_avail;
71 };
72 
73 struct vnic_dev;
74 struct vnic_stats;
75 
76 void *vnic_dev_priv(struct vnic_dev *vdev);
77 unsigned int vnic_dev_get_res_count(struct vnic_dev *vdev,
78  enum vnic_res_type type);
79 void __iomem *vnic_dev_get_res(struct vnic_dev *vdev, enum vnic_res_type type,
80  unsigned int index);
81 void vnic_dev_clear_desc_ring(struct vnic_dev_ring *ring);
82 int vnic_dev_alloc_desc_ring(struct vnic_dev *vdev, struct vnic_dev_ring *ring,
83  unsigned int desc_count, unsigned int desc_size);
84 void vnic_dev_free_desc_ring(struct vnic_dev *vdev,
85  struct vnic_dev_ring *ring);
86 int vnic_dev_cmd(struct vnic_dev *vdev, enum vnic_devcmd_cmd cmd,
87  u64 *a0, u64 *a1, int wait);
88 void vnic_dev_cmd_proxy_by_index_start(struct vnic_dev *vdev, u16 index);
89 void vnic_dev_cmd_proxy_end(struct vnic_dev *vdev);
90 int vnic_dev_fw_info(struct vnic_dev *vdev,
91  struct vnic_devcmd_fw_info **fw_info);
92 int vnic_dev_spec(struct vnic_dev *vdev, unsigned int offset, unsigned int size,
93  void *value);
94 int vnic_dev_stats_dump(struct vnic_dev *vdev, struct vnic_stats **stats);
95 int vnic_dev_hang_notify(struct vnic_dev *vdev);
96 int vnic_dev_packet_filter(struct vnic_dev *vdev, int directed, int multicast,
97  int broadcast, int promisc, int allmulti);
98 int vnic_dev_add_addr(struct vnic_dev *vdev, u8 *addr);
99 int vnic_dev_del_addr(struct vnic_dev *vdev, u8 *addr);
100 int vnic_dev_get_mac_addr(struct vnic_dev *vdev, u8 *mac_addr);
101 int vnic_dev_notify_set(struct vnic_dev *vdev, u16 intr);
102 int vnic_dev_notify_unset(struct vnic_dev *vdev);
103 int vnic_dev_link_status(struct vnic_dev *vdev);
104 u32 vnic_dev_port_speed(struct vnic_dev *vdev);
105 u32 vnic_dev_msg_lvl(struct vnic_dev *vdev);
106 u32 vnic_dev_mtu(struct vnic_dev *vdev);
107 int vnic_dev_close(struct vnic_dev *vdev);
108 int vnic_dev_enable_wait(struct vnic_dev *vdev);
109 int vnic_dev_disable(struct vnic_dev *vdev);
110 int vnic_dev_open(struct vnic_dev *vdev, int arg);
111 int vnic_dev_open_done(struct vnic_dev *vdev, int *done);
112 int vnic_dev_init(struct vnic_dev *vdev, int arg);
113 int vnic_dev_deinit(struct vnic_dev *vdev);
114 void vnic_dev_intr_coal_timer_info_default(struct vnic_dev *vdev);
115 int vnic_dev_intr_coal_timer_info(struct vnic_dev *vdev);
116 int vnic_dev_hang_reset(struct vnic_dev *vdev, int arg);
117 int vnic_dev_hang_reset_done(struct vnic_dev *vdev, int *done);
118 void vnic_dev_set_intr_mode(struct vnic_dev *vdev,
119  enum vnic_dev_intr_mode intr_mode);
120 enum vnic_dev_intr_mode vnic_dev_get_intr_mode(struct vnic_dev *vdev);
121 u32 vnic_dev_intr_coal_timer_usec_to_hw(struct vnic_dev *vdev, u32 usec);
122 u32 vnic_dev_intr_coal_timer_hw_to_usec(struct vnic_dev *vdev, u32 hw_cycles);
123 u32 vnic_dev_get_intr_coal_timer_max(struct vnic_dev *vdev);
124 void vnic_dev_unregister(struct vnic_dev *vdev);
125 int vnic_dev_set_ig_vlan_rewrite_mode(struct vnic_dev *vdev,
126  u8 ig_vlan_rewrite_mode);
127 struct vnic_dev *vnic_dev_register(struct vnic_dev *vdev,
128  void *priv, struct pci_dev *pdev, struct vnic_dev_bar *bar,
129  unsigned int num_bars);
130 int vnic_dev_init_prov2(struct vnic_dev *vdev, u8 *buf, u32 len);
131 int vnic_dev_enable2(struct vnic_dev *vdev, int active);
132 int vnic_dev_enable2_done(struct vnic_dev *vdev, int *status);
133 int vnic_dev_deinit_done(struct vnic_dev *vdev, int *status);
134 int vnic_dev_set_mac_addr(struct vnic_dev *vdev, u8 *mac_addr);
135 
136 #endif /* _VNIC_DEV_H_ */
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