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