1/* SPDX-License-Identifier: GPL-2.0-only */
2/*
3 * QLogic qlcnic NIC Driver
4 * Copyright (c) 2009-2013 QLogic Corporation
5 */
6
7#ifndef _QLCNIC_83XX_SRIOV_H_
8#define _QLCNIC_83XX_SRIOV_H_
9
10#include <linux/types.h>
11#include <linux/pci.h>
12
13#include "qlcnic.h"
14
15extern const u32 qlcnic_83xx_reg_tbl[];
16extern const u32 qlcnic_83xx_ext_reg_tbl[];
17
18struct qlcnic_bc_payload {
19 u64 payload[126];
20};
21
22struct qlcnic_bc_hdr {
23#if defined(__LITTLE_ENDIAN)
24 u8 version;
25 u8 msg_type:4;
26 u8 rsvd1:3;
27 u8 op_type:1;
28 u8 num_cmds;
29 u8 num_frags;
30 u8 frag_num;
31 u8 cmd_op;
32 u16 seq_id;
33 u64 rsvd3;
34#elif defined(__BIG_ENDIAN)
35 u8 num_frags;
36 u8 num_cmds;
37 u8 op_type:1;
38 u8 rsvd1:3;
39 u8 msg_type:4;
40 u8 version;
41 u16 seq_id;
42 u8 cmd_op;
43 u8 frag_num;
44 u64 rsvd3;
45#endif
46};
47
48enum qlcnic_bc_commands {
49 QLCNIC_BC_CMD_CHANNEL_INIT = 0x0,
50 QLCNIC_BC_CMD_CHANNEL_TERM = 0x1,
51 QLCNIC_BC_CMD_GET_ACL = 0x2,
52 QLCNIC_BC_CMD_CFG_GUEST_VLAN = 0x3,
53};
54
55#define QLCNIC_83XX_SRIOV_VF_MAX_MAC 2
56#define QLC_BC_CMD 1
57
58struct qlcnic_trans_list {
59 /* Lock for manipulating list */
60 spinlock_t lock;
61 struct list_head wait_list;
62 int count;
63};
64
65enum qlcnic_trans_state {
66 QLC_INIT = 0,
67 QLC_WAIT_FOR_CHANNEL_FREE,
68 QLC_WAIT_FOR_RESP,
69 QLC_ABORT,
70 QLC_END,
71};
72
73struct qlcnic_bc_trans {
74 u8 func_id;
75 u8 active;
76 u8 curr_rsp_frag;
77 u8 curr_req_frag;
78 u16 cmd_id;
79 u16 req_pay_size;
80 u16 rsp_pay_size;
81 u32 trans_id;
82 enum qlcnic_trans_state trans_state;
83 struct list_head list;
84 struct qlcnic_bc_hdr *req_hdr;
85 struct qlcnic_bc_hdr *rsp_hdr;
86 struct qlcnic_bc_payload *req_pay;
87 struct qlcnic_bc_payload *rsp_pay;
88 struct completion resp_cmpl;
89 struct qlcnic_vf_info *vf;
90};
91
92enum qlcnic_vf_state {
93 QLC_BC_VF_SEND = 0,
94 QLC_BC_VF_RECV,
95 QLC_BC_VF_CHANNEL,
96 QLC_BC_VF_STATE,
97 QLC_BC_VF_FLR,
98 QLC_BC_VF_SOFT_FLR,
99};
100
101enum qlcnic_vlan_mode {
102 QLC_NO_VLAN_MODE = 0,
103 QLC_PVID_MODE,
104 QLC_GUEST_VLAN_MODE,
105};
106
107struct qlcnic_resources {
108 u16 num_tx_mac_filters;
109 u16 num_rx_ucast_mac_filters;
110 u16 num_rx_mcast_mac_filters;
111
112 u16 num_txvlan_keys;
113
114 u16 num_rx_queues;
115 u16 num_tx_queues;
116
117 u16 num_rx_buf_rings;
118 u16 num_rx_status_rings;
119
120 u16 num_destip;
121 u32 num_lro_flows_supported;
122 u16 max_local_ipv6_addrs;
123 u16 max_remote_ipv6_addrs;
124};
125
126struct qlcnic_vport {
127 u16 handle;
128 u16 max_tx_bw;
129 u16 min_tx_bw;
130 u16 pvid;
131 u8 vlan_mode;
132 u8 qos;
133 bool spoofchk;
134 u8 mac[6];
135};
136
137struct qlcnic_vf_info {
138 u8 pci_func;
139 u16 rx_ctx_id;
140 u16 tx_ctx_id;
141 u16 *sriov_vlans;
142 int num_vlan;
143 unsigned long state;
144 struct completion ch_free_cmpl;
145 struct work_struct trans_work;
146 struct work_struct flr_work;
147 /* It synchronizes commands sent from VF */
148 struct mutex send_cmd_lock;
149 struct qlcnic_bc_trans *send_cmd;
150 struct qlcnic_bc_trans *flr_trans;
151 struct qlcnic_trans_list rcv_act;
152 struct qlcnic_trans_list rcv_pend;
153 struct qlcnic_adapter *adapter;
154 struct qlcnic_vport *vp;
155 spinlock_t vlan_list_lock; /* Lock for VLAN list */
156};
157
158struct qlcnic_async_cmd {
159 struct list_head list;
160 struct qlcnic_cmd_args *cmd;
161};
162
163struct qlcnic_back_channel {
164 u16 trans_counter;
165 struct workqueue_struct *bc_trans_wq;
166 struct workqueue_struct *bc_async_wq;
167 struct workqueue_struct *bc_flr_wq;
168 struct qlcnic_adapter *adapter;
169 struct list_head async_cmd_list;
170 struct work_struct vf_async_work;
171 spinlock_t queue_lock; /* async_cmd_list queue lock */
172};
173
174struct qlcnic_sriov {
175 u16 vp_handle;
176 u8 num_vfs;
177 u8 any_vlan;
178 u8 vlan_mode;
179 u16 num_allowed_vlans;
180 u16 *allowed_vlans;
181 u16 vlan;
182 struct qlcnic_resources ff_max;
183 struct qlcnic_back_channel bc;
184 struct qlcnic_vf_info *vf_info;
185};
186
187int qlcnic_sriov_init(struct qlcnic_adapter *, int);
188void qlcnic_sriov_cleanup(struct qlcnic_adapter *);
189void __qlcnic_sriov_cleanup(struct qlcnic_adapter *);
190void qlcnic_sriov_vf_register_map(struct qlcnic_hardware_context *);
191int qlcnic_sriov_vf_init(struct qlcnic_adapter *);
192void qlcnic_sriov_vf_set_ops(struct qlcnic_adapter *);
193int qlcnic_sriov_func_to_index(struct qlcnic_adapter *, u8);
194void qlcnic_sriov_handle_bc_event(struct qlcnic_adapter *, u32);
195int qlcnic_sriov_cfg_bc_intr(struct qlcnic_adapter *, u8);
196void qlcnic_sriov_cleanup_async_list(struct qlcnic_back_channel *);
197void qlcnic_sriov_cleanup_list(struct qlcnic_trans_list *);
198int __qlcnic_sriov_add_act_list(struct qlcnic_sriov *, struct qlcnic_vf_info *,
199 struct qlcnic_bc_trans *);
200int qlcnic_sriov_get_vf_vport_info(struct qlcnic_adapter *,
201 struct qlcnic_info *, u16);
202int qlcnic_sriov_cfg_vf_guest_vlan(struct qlcnic_adapter *, u16, u8);
203void qlcnic_sriov_free_vlans(struct qlcnic_adapter *);
204int qlcnic_sriov_alloc_vlans(struct qlcnic_adapter *);
205bool qlcnic_sriov_check_any_vlan(struct qlcnic_vf_info *);
206void qlcnic_sriov_del_vlan_id(struct qlcnic_sriov *,
207 struct qlcnic_vf_info *, u16);
208void qlcnic_sriov_add_vlan_id(struct qlcnic_sriov *,
209 struct qlcnic_vf_info *, u16);
210
211static inline bool qlcnic_sriov_enable_check(struct qlcnic_adapter *adapter)
212{
213 return test_bit(__QLCNIC_SRIOV_ENABLE, &adapter->state) ? true : false;
214}
215
216#ifdef CONFIG_QLCNIC_SRIOV
217void qlcnic_sriov_pf_process_bc_cmd(struct qlcnic_adapter *,
218 struct qlcnic_bc_trans *,
219 struct qlcnic_cmd_args *);
220void qlcnic_sriov_pf_disable(struct qlcnic_adapter *);
221void qlcnic_sriov_pf_cleanup(struct qlcnic_adapter *);
222int qlcnic_pci_sriov_configure(struct pci_dev *, int);
223void qlcnic_pf_set_interface_id_create_rx_ctx(struct qlcnic_adapter *, u32 *);
224void qlcnic_pf_set_interface_id_create_tx_ctx(struct qlcnic_adapter *, u32 *);
225void qlcnic_pf_set_interface_id_del_rx_ctx(struct qlcnic_adapter *, u32 *);
226void qlcnic_pf_set_interface_id_del_tx_ctx(struct qlcnic_adapter *, u32 *);
227void qlcnic_pf_set_interface_id_promisc(struct qlcnic_adapter *, u32 *);
228void qlcnic_pf_set_interface_id_ipaddr(struct qlcnic_adapter *, u32 *);
229void qlcnic_pf_set_interface_id_macaddr(struct qlcnic_adapter *, u32 *);
230void qlcnic_sriov_pf_handle_flr(struct qlcnic_sriov *, struct qlcnic_vf_info *);
231bool qlcnic_sriov_soft_flr_check(struct qlcnic_adapter *,
232 struct qlcnic_bc_trans *,
233 struct qlcnic_vf_info *);
234void qlcnic_sriov_pf_reset(struct qlcnic_adapter *);
235int qlcnic_sriov_pf_reinit(struct qlcnic_adapter *);
236int qlcnic_sriov_set_vf_mac(struct net_device *, int, u8 *);
237int qlcnic_sriov_set_vf_tx_rate(struct net_device *, int, int, int);
238int qlcnic_sriov_get_vf_config(struct net_device *, int ,
239 struct ifla_vf_info *);
240int qlcnic_sriov_set_vf_vlan(struct net_device *, int, u16, u8, __be16);
241int qlcnic_sriov_set_vf_spoofchk(struct net_device *, int, bool);
242#else
243static inline void qlcnic_sriov_pf_disable(struct qlcnic_adapter *adapter) {}
244static inline void qlcnic_sriov_pf_cleanup(struct qlcnic_adapter *adapter) {}
245static inline void
246qlcnic_pf_set_interface_id_create_rx_ctx(struct qlcnic_adapter *adapter,
247 u32 *int_id) {}
248static inline void
249qlcnic_pf_set_interface_id_create_tx_ctx(struct qlcnic_adapter *adapter,
250 u32 *int_id) {}
251static inline void
252qlcnic_pf_set_interface_id_del_rx_ctx(struct qlcnic_adapter *adapter,
253 u32 *int_id) {}
254static inline void
255qlcnic_pf_set_interface_id_del_tx_ctx(struct qlcnic_adapter *adapter,
256 u32 *int_id) {}
257static inline void
258qlcnic_pf_set_interface_id_ipaddr(struct qlcnic_adapter *adapter, u32 *int_id)
259{}
260static inline void
261qlcnic_pf_set_interface_id_macaddr(struct qlcnic_adapter *adapter, u32 *int_id)
262{}
263static inline void
264qlcnic_pf_set_interface_id_promisc(struct qlcnic_adapter *adapter, u32 *int_id)
265{}
266static inline void qlcnic_sriov_pf_handle_flr(struct qlcnic_sriov *sriov,
267 struct qlcnic_vf_info *vf) {}
268static inline bool qlcnic_sriov_soft_flr_check(struct qlcnic_adapter *adapter,
269 struct qlcnic_bc_trans *trans,
270 struct qlcnic_vf_info *vf)
271{ return false; }
272static inline void qlcnic_sriov_pf_reset(struct qlcnic_adapter *adapter) {}
273static inline int qlcnic_sriov_pf_reinit(struct qlcnic_adapter *adapter)
274{ return 0; }
275#endif
276
277#endif
278

source code of linux/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov.h