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
31static inline u64 readq(void __iomem *reg)
32{
33	return (((u64)readl(reg + 0x4UL) << 32) |
34		(u64)readl(reg));
35}
36
37static 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
47enum 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
54struct vnic_dev_bar {
55	void __iomem *vaddr;
56	dma_addr_t bus_addr;
57	unsigned long len;
58};
59
60struct 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
73struct vnic_dev;
74struct vnic_stats;
75
76void *vnic_dev_priv(struct vnic_dev *vdev);
77unsigned int vnic_dev_get_res_count(struct vnic_dev *vdev,
78	enum vnic_res_type type);
79void __iomem *vnic_dev_get_res(struct vnic_dev *vdev, enum vnic_res_type type,
80	unsigned int index);
81void vnic_dev_clear_desc_ring(struct vnic_dev_ring *ring);
82int vnic_dev_alloc_desc_ring(struct vnic_dev *vdev, struct vnic_dev_ring *ring,
83	unsigned int desc_count, unsigned int desc_size);
84void vnic_dev_free_desc_ring(struct vnic_dev *vdev,
85	struct vnic_dev_ring *ring);
86int vnic_dev_cmd(struct vnic_dev *vdev, enum vnic_devcmd_cmd cmd,
87	u64 *a0, u64 *a1, int wait);
88void vnic_dev_cmd_proxy_by_index_start(struct vnic_dev *vdev, u16 index);
89void vnic_dev_cmd_proxy_end(struct vnic_dev *vdev);
90int vnic_dev_fw_info(struct vnic_dev *vdev,
91	struct vnic_devcmd_fw_info **fw_info);
92int vnic_dev_spec(struct vnic_dev *vdev, unsigned int offset, unsigned int size,
93	void *value);
94int vnic_dev_stats_dump(struct vnic_dev *vdev, struct vnic_stats **stats);
95int vnic_dev_hang_notify(struct vnic_dev *vdev);
96int vnic_dev_packet_filter(struct vnic_dev *vdev, int directed, int multicast,
97	int broadcast, int promisc, int allmulti);
98int vnic_dev_add_addr(struct vnic_dev *vdev, u8 *addr);
99int vnic_dev_del_addr(struct vnic_dev *vdev, u8 *addr);
100int vnic_dev_get_mac_addr(struct vnic_dev *vdev, u8 *mac_addr);
101int vnic_dev_notify_set(struct vnic_dev *vdev, u16 intr);
102int vnic_dev_notify_unset(struct vnic_dev *vdev);
103int vnic_dev_link_status(struct vnic_dev *vdev);
104u32 vnic_dev_port_speed(struct vnic_dev *vdev);
105u32 vnic_dev_msg_lvl(struct vnic_dev *vdev);
106u32 vnic_dev_mtu(struct vnic_dev *vdev);
107int vnic_dev_close(struct vnic_dev *vdev);
108int vnic_dev_enable_wait(struct vnic_dev *vdev);
109int vnic_dev_disable(struct vnic_dev *vdev);
110int vnic_dev_open(struct vnic_dev *vdev, int arg);
111int vnic_dev_open_done(struct vnic_dev *vdev, int *done);
112int vnic_dev_init(struct vnic_dev *vdev, int arg);
113int vnic_dev_deinit(struct vnic_dev *vdev);
114void vnic_dev_intr_coal_timer_info_default(struct vnic_dev *vdev);
115int vnic_dev_intr_coal_timer_info(struct vnic_dev *vdev);
116int vnic_dev_hang_reset(struct vnic_dev *vdev, int arg);
117int vnic_dev_hang_reset_done(struct vnic_dev *vdev, int *done);
118void vnic_dev_set_intr_mode(struct vnic_dev *vdev,
119	enum vnic_dev_intr_mode intr_mode);
120enum vnic_dev_intr_mode vnic_dev_get_intr_mode(struct vnic_dev *vdev);
121u32 vnic_dev_intr_coal_timer_usec_to_hw(struct vnic_dev *vdev, u32 usec);
122u32 vnic_dev_intr_coal_timer_hw_to_usec(struct vnic_dev *vdev, u32 hw_cycles);
123u32 vnic_dev_get_intr_coal_timer_max(struct vnic_dev *vdev);
124void vnic_dev_unregister(struct vnic_dev *vdev);
125int vnic_dev_set_ig_vlan_rewrite_mode(struct vnic_dev *vdev,
126	u8 ig_vlan_rewrite_mode);
127struct 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);
130int vnic_dev_init_prov2(struct vnic_dev *vdev, u8 *buf, u32 len);
131int vnic_dev_enable2(struct vnic_dev *vdev, int active);
132int vnic_dev_enable2_done(struct vnic_dev *vdev, int *status);
133int vnic_dev_deinit_done(struct vnic_dev *vdev, int *status);
134int vnic_dev_set_mac_addr(struct vnic_dev *vdev, u8 *mac_addr);
135
136#endif /* _VNIC_DEV_H_ */
137