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 <linux/types.h>
12 #include <linux/pci.h>
13
14 #include "qlcnic.h"
15
16 extern const u32 qlcnic_83xx_reg_tbl[];
17 extern const u32 qlcnic_83xx_ext_reg_tbl[];
18
19 struct qlcnic_bc_payload {
20 u64 payload[126];
21 };
22
23 struct qlcnic_bc_hdr {
24 #if defined(__LITTLE_ENDIAN)
25 u8 version;
26 u8 msg_type:4;
27 u8 rsvd1:3;
28 u8 op_type:1;
29 u8 num_cmds;
30 u8 num_frags;
31 u8 frag_num;
32 u8 cmd_op;
33 u16 seq_id;
34 u64 rsvd3;
35 #elif defined(__BIG_ENDIAN)
36 u8 num_frags;
37 u8 num_cmds;
38 u8 op_type:1;
39 u8 rsvd1:3;
40 u8 msg_type:4;
41 u8 version;
42 u16 seq_id;
43 u8 cmd_op;
44 u8 frag_num;
45 u64 rsvd3;
46 #endif
47 };
48
49 enum qlcnic_bc_commands {
50 QLCNIC_BC_CMD_CHANNEL_INIT = 0x0,
51 QLCNIC_BC_CMD_CHANNEL_TERM = 0x1,
52 QLCNIC_BC_CMD_GET_ACL = 0x2,
53 QLCNIC_BC_CMD_CFG_GUEST_VLAN = 0x3,
54 };
55
56 #define QLCNIC_83XX_SRIOV_VF_MAX_MAC 2
57 #define QLC_BC_CMD 1
58
59 struct qlcnic_trans_list {
60 /* Lock for manipulating list */
61 spinlock_t lock;
62 struct list_head wait_list;
63 int count;
64 };
65
66 enum qlcnic_trans_state {
67 QLC_INIT = 0,
68 QLC_WAIT_FOR_CHANNEL_FREE,
69 QLC_WAIT_FOR_RESP,
70 QLC_ABORT,
71 QLC_END,
72 };
73
74 struct qlcnic_bc_trans {
75 u8 func_id;
76 u8 active;
77 u8 curr_rsp_frag;
78 u8 curr_req_frag;
79 u16 cmd_id;
80 u16 req_pay_size;
81 u16 rsp_pay_size;
82 u32 trans_id;
83 enum qlcnic_trans_state trans_state;
84 struct list_head list;
85 struct qlcnic_bc_hdr *req_hdr;
86 struct qlcnic_bc_hdr *rsp_hdr;
87 struct qlcnic_bc_payload *req_pay;
88 struct qlcnic_bc_payload *rsp_pay;
89 struct completion resp_cmpl;
90 struct qlcnic_vf_info *vf;
91 };
92
93 enum qlcnic_vf_state {
94 QLC_BC_VF_SEND = 0,
95 QLC_BC_VF_RECV,
96 QLC_BC_VF_CHANNEL,
97 QLC_BC_VF_STATE,
98 QLC_BC_VF_FLR,
99 QLC_BC_VF_SOFT_FLR,
100 };
101
102 enum qlcnic_vlan_mode {
103 QLC_NO_VLAN_MODE = 0,
104 QLC_PVID_MODE,
105 QLC_GUEST_VLAN_MODE,
106 };
107
108 struct qlcnic_resources {
109 u16 num_tx_mac_filters;
110 u16 num_rx_ucast_mac_filters;
111 u16 num_rx_mcast_mac_filters;
112
113 u16 num_txvlan_keys;
114
115 u16 num_rx_queues;
116 u16 num_tx_queues;
117
118 u16 num_rx_buf_rings;
119 u16 num_rx_status_rings;
120
121 u16 num_destip;
122 u32 num_lro_flows_supported;
123 u16 max_local_ipv6_addrs;
124 u16 max_remote_ipv6_addrs;
125 };
126
127 struct qlcnic_vport {
128 u16 handle;
129 u16 max_tx_bw;
130 u16 min_tx_bw;
131 u16 pvid;
132 u8 vlan_mode;
133 u8 qos;
134 bool spoofchk;
135 u8 mac[6];
136 };
137
138 struct qlcnic_vf_info {
139 u8 pci_func;
140 u16 rx_ctx_id;
141 u16 tx_ctx_id;
142 u16 *sriov_vlans;
143 int num_vlan;
144 unsigned long state;
145 struct completion ch_free_cmpl;
146 struct work_struct trans_work;
147 struct work_struct flr_work;
148 /* It synchronizes commands sent from VF */
149 struct mutex send_cmd_lock;
150 struct qlcnic_bc_trans *send_cmd;
151 struct qlcnic_bc_trans *flr_trans;
152 struct qlcnic_trans_list rcv_act;
153 struct qlcnic_trans_list rcv_pend;
154 struct qlcnic_adapter *adapter;
155 struct qlcnic_vport *vp;
156 spinlock_t vlan_list_lock; /* Lock for VLAN list */
157 };
158
159 struct qlcnic_async_cmd {
160 struct list_head list;
161 struct qlcnic_cmd_args *cmd;
162 };
163
164 struct qlcnic_back_channel {
165 u16 trans_counter;
166 struct workqueue_struct *bc_trans_wq;
167 struct workqueue_struct *bc_async_wq;
168 struct workqueue_struct *bc_flr_wq;
169 struct qlcnic_adapter *adapter;
170 struct list_head async_cmd_list;
171 struct work_struct vf_async_work;
172 spinlock_t queue_lock; /* async_cmd_list queue lock */
173 };
174
175 struct qlcnic_sriov {
176 u16 vp_handle;
177 u8 num_vfs;
178 u8 any_vlan;
179 u8 vlan_mode;
180 u16 num_allowed_vlans;
181 u16 *allowed_vlans;
182 u16 vlan;
183 struct qlcnic_resources ff_max;
184 struct qlcnic_back_channel bc;
185 struct qlcnic_vf_info *vf_info;
186 };
187
188 int qlcnic_sriov_init(struct qlcnic_adapter *, int);
189 void qlcnic_sriov_cleanup(struct qlcnic_adapter *);
190 void __qlcnic_sriov_cleanup(struct qlcnic_adapter *);
191 void qlcnic_sriov_vf_register_map(struct qlcnic_hardware_context *);
192 int qlcnic_sriov_vf_init(struct qlcnic_adapter *, int);
193 void qlcnic_sriov_vf_set_ops(struct qlcnic_adapter *);
194 int qlcnic_sriov_func_to_index(struct qlcnic_adapter *, u8);
195 void qlcnic_sriov_handle_bc_event(struct qlcnic_adapter *, u32);
196 int qlcnic_sriov_cfg_bc_intr(struct qlcnic_adapter *, u8);
197 void qlcnic_sriov_cleanup_async_list(struct qlcnic_back_channel *);
198 void qlcnic_sriov_cleanup_list(struct qlcnic_trans_list *);
199 int __qlcnic_sriov_add_act_list(struct qlcnic_sriov *, struct qlcnic_vf_info *,
200 struct qlcnic_bc_trans *);
201 int qlcnic_sriov_get_vf_vport_info(struct qlcnic_adapter *,
202 struct qlcnic_info *, u16);
203 int qlcnic_sriov_cfg_vf_guest_vlan(struct qlcnic_adapter *, u16, u8);
204 void qlcnic_sriov_free_vlans(struct qlcnic_adapter *);
205 void qlcnic_sriov_alloc_vlans(struct qlcnic_adapter *);
206 bool qlcnic_sriov_check_any_vlan(struct qlcnic_vf_info *);
207 void qlcnic_sriov_del_vlan_id(struct qlcnic_sriov *,
208 struct qlcnic_vf_info *, u16);
209 void qlcnic_sriov_add_vlan_id(struct qlcnic_sriov *,
210 struct qlcnic_vf_info *, u16);
211
qlcnic_sriov_enable_check(struct qlcnic_adapter * adapter)212 static inline bool qlcnic_sriov_enable_check(struct qlcnic_adapter *adapter)
213 {
214 return test_bit(__QLCNIC_SRIOV_ENABLE, &adapter->state) ? true : false;
215 }
216
217 #ifdef CONFIG_QLCNIC_SRIOV
218 void qlcnic_sriov_pf_process_bc_cmd(struct qlcnic_adapter *,
219 struct qlcnic_bc_trans *,
220 struct qlcnic_cmd_args *);
221 void qlcnic_sriov_pf_disable(struct qlcnic_adapter *);
222 void qlcnic_sriov_pf_cleanup(struct qlcnic_adapter *);
223 int qlcnic_pci_sriov_configure(struct pci_dev *, int);
224 void qlcnic_pf_set_interface_id_create_rx_ctx(struct qlcnic_adapter *, u32 *);
225 void qlcnic_pf_set_interface_id_create_tx_ctx(struct qlcnic_adapter *, u32 *);
226 void qlcnic_pf_set_interface_id_del_rx_ctx(struct qlcnic_adapter *, u32 *);
227 void qlcnic_pf_set_interface_id_del_tx_ctx(struct qlcnic_adapter *, u32 *);
228 void qlcnic_pf_set_interface_id_promisc(struct qlcnic_adapter *, u32 *);
229 void qlcnic_pf_set_interface_id_ipaddr(struct qlcnic_adapter *, u32 *);
230 void qlcnic_pf_set_interface_id_macaddr(struct qlcnic_adapter *, u32 *);
231 void qlcnic_sriov_pf_handle_flr(struct qlcnic_sriov *, struct qlcnic_vf_info *);
232 bool qlcnic_sriov_soft_flr_check(struct qlcnic_adapter *,
233 struct qlcnic_bc_trans *,
234 struct qlcnic_vf_info *);
235 void qlcnic_sriov_pf_reset(struct qlcnic_adapter *);
236 int qlcnic_sriov_pf_reinit(struct qlcnic_adapter *);
237 int qlcnic_sriov_set_vf_mac(struct net_device *, int, u8 *);
238 int qlcnic_sriov_set_vf_tx_rate(struct net_device *, int, int, int);
239 int qlcnic_sriov_get_vf_config(struct net_device *, int ,
240 struct ifla_vf_info *);
241 int qlcnic_sriov_set_vf_vlan(struct net_device *, int, u16, u8, __be16);
242 int qlcnic_sriov_set_vf_spoofchk(struct net_device *, int, bool);
243 #else
qlcnic_sriov_pf_disable(struct qlcnic_adapter * adapter)244 static inline void qlcnic_sriov_pf_disable(struct qlcnic_adapter *adapter) {}
qlcnic_sriov_pf_cleanup(struct qlcnic_adapter * adapter)245 static inline void qlcnic_sriov_pf_cleanup(struct qlcnic_adapter *adapter) {}
246 static inline void
qlcnic_pf_set_interface_id_create_rx_ctx(struct qlcnic_adapter * adapter,u32 * int_id)247 qlcnic_pf_set_interface_id_create_rx_ctx(struct qlcnic_adapter *adapter,
248 u32 *int_id) {}
249 static inline void
qlcnic_pf_set_interface_id_create_tx_ctx(struct qlcnic_adapter * adapter,u32 * int_id)250 qlcnic_pf_set_interface_id_create_tx_ctx(struct qlcnic_adapter *adapter,
251 u32 *int_id) {}
252 static inline void
qlcnic_pf_set_interface_id_del_rx_ctx(struct qlcnic_adapter * adapter,u32 * int_id)253 qlcnic_pf_set_interface_id_del_rx_ctx(struct qlcnic_adapter *adapter,
254 u32 *int_id) {}
255 static inline void
qlcnic_pf_set_interface_id_del_tx_ctx(struct qlcnic_adapter * adapter,u32 * int_id)256 qlcnic_pf_set_interface_id_del_tx_ctx(struct qlcnic_adapter *adapter,
257 u32 *int_id) {}
258 static inline void
qlcnic_pf_set_interface_id_ipaddr(struct qlcnic_adapter * adapter,u32 * int_id)259 qlcnic_pf_set_interface_id_ipaddr(struct qlcnic_adapter *adapter, u32 *int_id)
260 {}
261 static inline void
qlcnic_pf_set_interface_id_macaddr(struct qlcnic_adapter * adapter,u32 * int_id)262 qlcnic_pf_set_interface_id_macaddr(struct qlcnic_adapter *adapter, u32 *int_id)
263 {}
264 static inline void
qlcnic_pf_set_interface_id_promisc(struct qlcnic_adapter * adapter,u32 * int_id)265 qlcnic_pf_set_interface_id_promisc(struct qlcnic_adapter *adapter, u32 *int_id)
266 {}
qlcnic_sriov_pf_handle_flr(struct qlcnic_sriov * sriov,struct qlcnic_vf_info * vf)267 static inline void qlcnic_sriov_pf_handle_flr(struct qlcnic_sriov *sriov,
268 struct qlcnic_vf_info *vf) {}
qlcnic_sriov_soft_flr_check(struct qlcnic_adapter * adapter,struct qlcnic_bc_trans * trans,struct qlcnic_vf_info * vf)269 static inline bool qlcnic_sriov_soft_flr_check(struct qlcnic_adapter *adapter,
270 struct qlcnic_bc_trans *trans,
271 struct qlcnic_vf_info *vf)
272 { return false; }
qlcnic_sriov_pf_reset(struct qlcnic_adapter * adapter)273 static inline void qlcnic_sriov_pf_reset(struct qlcnic_adapter *adapter) {}
qlcnic_sriov_pf_reinit(struct qlcnic_adapter * adapter)274 static inline int qlcnic_sriov_pf_reinit(struct qlcnic_adapter *adapter)
275 { return 0; }
276 #endif
277
278 #endif
279