1/* SPDX-License-Identifier: GPL-2.0 */
2/* Copyright(c) 1999 - 2018 Intel Corporation. */
3
4#ifndef __IXGBE_VF_H__
5#define __IXGBE_VF_H__
6
7#include <linux/pci.h>
8#include <linux/delay.h>
9#include <linux/interrupt.h>
10#include <linux/if_ether.h>
11#include <linux/netdevice.h>
12
13#include "defines.h"
14#include "regs.h"
15#include "mbx.h"
16
17struct ixgbe_hw;
18
19/* iterator type for walking multicast address lists */
20typedef u8* (*ixgbe_mc_addr_itr) (struct ixgbe_hw *hw, u8 **mc_addr_ptr,
21				  u32 *vmdq);
22struct ixgbe_mac_operations {
23	s32 (*init_hw)(struct ixgbe_hw *);
24	s32 (*reset_hw)(struct ixgbe_hw *);
25	s32 (*start_hw)(struct ixgbe_hw *);
26	s32 (*clear_hw_cntrs)(struct ixgbe_hw *);
27	enum ixgbe_media_type (*get_media_type)(struct ixgbe_hw *);
28	s32 (*get_mac_addr)(struct ixgbe_hw *, u8 *);
29	s32 (*stop_adapter)(struct ixgbe_hw *);
30	s32 (*get_bus_info)(struct ixgbe_hw *);
31	s32 (*negotiate_api_version)(struct ixgbe_hw *hw, int api);
32
33	/* Link */
34	s32 (*setup_link)(struct ixgbe_hw *, ixgbe_link_speed, bool, bool);
35	s32 (*check_link)(struct ixgbe_hw *, ixgbe_link_speed *, bool *, bool);
36	s32 (*get_link_capabilities)(struct ixgbe_hw *, ixgbe_link_speed *,
37				     bool *);
38
39	/* RAR, Multicast, VLAN */
40	s32 (*set_rar)(struct ixgbe_hw *, u32, u8 *, u32);
41	s32 (*set_uc_addr)(struct ixgbe_hw *, u32, u8 *);
42	s32 (*init_rx_addrs)(struct ixgbe_hw *);
43	s32 (*update_mc_addr_list)(struct ixgbe_hw *, struct net_device *);
44	s32 (*update_xcast_mode)(struct ixgbe_hw *, int);
45	s32 (*get_link_state)(struct ixgbe_hw *hw, bool *link_state);
46	s32 (*enable_mc)(struct ixgbe_hw *);
47	s32 (*disable_mc)(struct ixgbe_hw *);
48	s32 (*clear_vfta)(struct ixgbe_hw *);
49	s32 (*set_vfta)(struct ixgbe_hw *, u32, u32, bool);
50	s32 (*set_rlpml)(struct ixgbe_hw *, u16);
51};
52
53enum ixgbe_mac_type {
54	ixgbe_mac_unknown = 0,
55	ixgbe_mac_82599_vf,
56	ixgbe_mac_X540_vf,
57	ixgbe_mac_X550_vf,
58	ixgbe_mac_X550EM_x_vf,
59	ixgbe_mac_x550em_a_vf,
60	ixgbe_num_macs
61};
62
63struct ixgbe_mac_info {
64	struct ixgbe_mac_operations ops;
65	u8 addr[6];
66	u8 perm_addr[6];
67
68	enum ixgbe_mac_type type;
69
70	s32  mc_filter_type;
71
72	bool get_link_status;
73	u32  max_tx_queues;
74	u32  max_rx_queues;
75	u32  max_msix_vectors;
76};
77
78struct ixgbe_mbx_operations {
79	s32 (*init_params)(struct ixgbe_hw *hw);
80	s32 (*read)(struct ixgbe_hw *, u32 *, u16);
81	s32 (*write)(struct ixgbe_hw *, u32 *, u16);
82	s32 (*read_posted)(struct ixgbe_hw *, u32 *, u16);
83	s32 (*write_posted)(struct ixgbe_hw *, u32 *, u16);
84	s32 (*check_for_msg)(struct ixgbe_hw *);
85	s32 (*check_for_ack)(struct ixgbe_hw *);
86	s32 (*check_for_rst)(struct ixgbe_hw *);
87};
88
89struct ixgbe_mbx_stats {
90	u32 msgs_tx;
91	u32 msgs_rx;
92
93	u32 acks;
94	u32 reqs;
95	u32 rsts;
96};
97
98struct ixgbe_mbx_info {
99	struct ixgbe_mbx_operations ops;
100	struct ixgbe_mbx_stats stats;
101	u32 timeout;
102	u32 udelay;
103	u32 v2p_mailbox;
104	u16 size;
105};
106
107struct ixgbe_hw {
108	void *back;
109
110	u8 __iomem *hw_addr;
111
112	struct ixgbe_mac_info mac;
113	struct ixgbe_mbx_info mbx;
114
115	u16 device_id;
116	u16 subsystem_vendor_id;
117	u16 subsystem_device_id;
118	u16 vendor_id;
119
120	u8  revision_id;
121	bool adapter_stopped;
122
123	int api_version;
124};
125
126struct ixgbevf_hw_stats {
127	u64 base_vfgprc;
128	u64 base_vfgptc;
129	u64 base_vfgorc;
130	u64 base_vfgotc;
131	u64 base_vfmprc;
132
133	u64 last_vfgprc;
134	u64 last_vfgptc;
135	u64 last_vfgorc;
136	u64 last_vfgotc;
137	u64 last_vfmprc;
138
139	u64 vfgprc;
140	u64 vfgptc;
141	u64 vfgorc;
142	u64 vfgotc;
143	u64 vfmprc;
144
145	u64 saved_reset_vfgprc;
146	u64 saved_reset_vfgptc;
147	u64 saved_reset_vfgorc;
148	u64 saved_reset_vfgotc;
149	u64 saved_reset_vfmprc;
150};
151
152struct ixgbevf_info {
153	enum ixgbe_mac_type mac;
154	const struct ixgbe_mac_operations *mac_ops;
155};
156
157#define IXGBE_FAILED_READ_REG 0xffffffffU
158
159#define IXGBE_REMOVED(a) unlikely(!(a))
160
161static inline void ixgbe_write_reg(struct ixgbe_hw *hw, u32 reg, u32 value)
162{
163	u8 __iomem *reg_addr = READ_ONCE(hw->hw_addr);
164
165	if (IXGBE_REMOVED(reg_addr))
166		return;
167	writel(value, reg_addr + reg);
168}
169
170#define IXGBE_WRITE_REG(h, r, v) ixgbe_write_reg(h, r, v)
171
172u32 ixgbevf_read_reg(struct ixgbe_hw *hw, u32 reg);
173#define IXGBE_READ_REG(h, r) ixgbevf_read_reg(h, r)
174
175static inline void ixgbe_write_reg_array(struct ixgbe_hw *hw, u32 reg,
176					 u32 offset, u32 value)
177{
178	ixgbe_write_reg(hw, reg + (offset << 2), value);
179}
180
181#define IXGBE_WRITE_REG_ARRAY(h, r, o, v) ixgbe_write_reg_array(h, r, o, v)
182
183static inline u32 ixgbe_read_reg_array(struct ixgbe_hw *hw, u32 reg,
184				       u32 offset)
185{
186	return ixgbevf_read_reg(hw, reg + (offset << 2));
187}
188
189#define IXGBE_READ_REG_ARRAY(h, r, o) ixgbe_read_reg_array(h, r, o)
190
191int ixgbevf_get_queues(struct ixgbe_hw *hw, unsigned int *num_tcs,
192		       unsigned int *default_tc);
193int ixgbevf_get_reta_locked(struct ixgbe_hw *hw, u32 *reta, int num_rx_queues);
194int ixgbevf_get_rss_key_locked(struct ixgbe_hw *hw, u8 *rss_key);
195#endif /* __IXGBE_VF_H__ */
196