1 /* SPDX-License-Identifier: GPL-2.0 */ 2 /* Copyright (c) 2018, Intel Corporation. */ 3 4 #ifndef _ICE_VIRTCHNL_PF_H_ 5 #define _ICE_VIRTCHNL_PF_H_ 6 #include "ice.h" 7 #include "ice_virtchnl_fdir.h" 8 9 /* Restrict number of MAC Addr and VLAN that non-trusted VF can programmed */ 10 #define ICE_MAX_VLAN_PER_VF 8 11 /* MAC filters: 1 is reserved for the VF's default/perm_addr/LAA MAC, 1 for 12 * broadcast, and 16 for additional unicast/multicast filters 13 */ 14 #define ICE_MAX_MACADDR_PER_VF 18 15 16 /* Malicious Driver Detection */ 17 #define ICE_DFLT_NUM_INVAL_MSGS_ALLOWED 10 18 #define ICE_MDD_EVENTS_THRESHOLD 30 19 20 /* Static VF transaction/status register def */ 21 #define VF_DEVICE_STATUS 0xAA 22 #define VF_TRANS_PENDING_M 0x20 23 24 /* wait defines for polling PF_PCI_CIAD register status */ 25 #define ICE_PCI_CIAD_WAIT_COUNT 100 26 #define ICE_PCI_CIAD_WAIT_DELAY_US 1 27 28 /* VF resource constraints */ 29 #define ICE_MAX_VF_COUNT 256 30 #define ICE_MIN_QS_PER_VF 1 31 #define ICE_NONQ_VECS_VF 1 32 #define ICE_MAX_SCATTER_QS_PER_VF 16 33 #define ICE_MAX_RSS_QS_PER_VF 16 34 #define ICE_NUM_VF_MSIX_MED 17 35 #define ICE_NUM_VF_MSIX_SMALL 5 36 #define ICE_NUM_VF_MSIX_MULTIQ_MIN 3 37 #define ICE_MIN_INTR_PER_VF (ICE_MIN_QS_PER_VF + 1) 38 #define ICE_MAX_VF_RESET_TRIES 40 39 #define ICE_MAX_VF_RESET_SLEEP_MS 20 40 41 #define ice_for_each_vf(pf, i) \ 42 for ((i) = 0; (i) < (pf)->num_alloc_vfs; (i)++) 43 44 /* Specific VF states */ 45 enum ice_vf_states { 46 ICE_VF_STATE_INIT = 0, /* PF is initializing VF */ 47 ICE_VF_STATE_ACTIVE, /* VF resources are allocated for use */ 48 ICE_VF_STATE_QS_ENA, /* VF queue(s) enabled */ 49 ICE_VF_STATE_DIS, 50 ICE_VF_STATE_MC_PROMISC, 51 ICE_VF_STATE_UC_PROMISC, 52 ICE_VF_STATES_NBITS 53 }; 54 55 /* VF capabilities */ 56 enum ice_virtchnl_cap { 57 ICE_VIRTCHNL_VF_CAP_L2 = 0, 58 ICE_VIRTCHNL_VF_CAP_PRIVILEGE, 59 }; 60 61 struct ice_time_mac { 62 unsigned long time_modified; 63 u8 addr[ETH_ALEN]; 64 }; 65 66 /* VF MDD events print structure */ 67 struct ice_mdd_vf_events { 68 u16 count; /* total count of Rx|Tx events */ 69 /* count number of the last printed event */ 70 u16 last_printed; 71 }; 72 73 struct ice_vf; 74 75 struct ice_vc_vf_ops { 76 int (*get_ver_msg)(struct ice_vf *vf, u8 *msg); 77 int (*get_vf_res_msg)(struct ice_vf *vf, u8 *msg); 78 void (*reset_vf)(struct ice_vf *vf); 79 int (*add_mac_addr_msg)(struct ice_vf *vf, u8 *msg); 80 int (*del_mac_addr_msg)(struct ice_vf *vf, u8 *msg); 81 int (*cfg_qs_msg)(struct ice_vf *vf, u8 *msg); 82 int (*ena_qs_msg)(struct ice_vf *vf, u8 *msg); 83 int (*dis_qs_msg)(struct ice_vf *vf, u8 *msg); 84 int (*request_qs_msg)(struct ice_vf *vf, u8 *msg); 85 int (*cfg_irq_map_msg)(struct ice_vf *vf, u8 *msg); 86 int (*config_rss_key)(struct ice_vf *vf, u8 *msg); 87 int (*config_rss_lut)(struct ice_vf *vf, u8 *msg); 88 int (*get_stats_msg)(struct ice_vf *vf, u8 *msg); 89 int (*cfg_promiscuous_mode_msg)(struct ice_vf *vf, u8 *msg); 90 int (*add_vlan_msg)(struct ice_vf *vf, u8 *msg); 91 int (*remove_vlan_msg)(struct ice_vf *vf, u8 *msg); 92 int (*ena_vlan_stripping)(struct ice_vf *vf); 93 int (*dis_vlan_stripping)(struct ice_vf *vf); 94 int (*handle_rss_cfg_msg)(struct ice_vf *vf, u8 *msg, bool add); 95 int (*add_fdir_fltr_msg)(struct ice_vf *vf, u8 *msg); 96 int (*del_fdir_fltr_msg)(struct ice_vf *vf, u8 *msg); 97 }; 98 99 /* VF information structure */ 100 struct ice_vf { 101 struct ice_pf *pf; 102 103 /* Used during virtchnl message handling and NDO ops against the VF 104 * that will trigger a VFR 105 */ 106 struct mutex cfg_lock; 107 108 u16 vf_id; /* VF ID in the PF space */ 109 u16 lan_vsi_idx; /* index into PF struct */ 110 u16 ctrl_vsi_idx; 111 struct ice_vf_fdir fdir; 112 /* first vector index of this VF in the PF space */ 113 int first_vector_idx; 114 struct ice_sw *vf_sw_id; /* switch ID the VF VSIs connect to */ 115 struct virtchnl_version_info vf_ver; 116 u32 driver_caps; /* reported by VF driver */ 117 struct virtchnl_ether_addr dev_lan_addr; 118 struct virtchnl_ether_addr hw_lan_addr; 119 struct ice_time_mac legacy_last_added_umac; 120 DECLARE_BITMAP(txq_ena, ICE_MAX_RSS_QS_PER_VF); 121 DECLARE_BITMAP(rxq_ena, ICE_MAX_RSS_QS_PER_VF); 122 u16 port_vlan_info; /* Port VLAN ID and QoS */ 123 u8 pf_set_mac:1; /* VF MAC address set by VMM admin */ 124 u8 trusted:1; 125 u8 spoofchk:1; 126 u8 link_forced:1; 127 u8 link_up:1; /* only valid if VF link is forced */ 128 /* VSI indices - actual VSI pointers are maintained in the PF structure 129 * When assigned, these will be non-zero, because VSI 0 is always 130 * the main LAN VSI for the PF. 131 */ 132 u16 lan_vsi_num; /* ID as used by firmware */ 133 unsigned int min_tx_rate; /* Minimum Tx bandwidth limit in Mbps */ 134 unsigned int max_tx_rate; /* Maximum Tx bandwidth limit in Mbps */ 135 DECLARE_BITMAP(vf_states, ICE_VF_STATES_NBITS); /* VF runtime states */ 136 137 u64 num_inval_msgs; /* number of continuous invalid msgs */ 138 u64 num_valid_msgs; /* number of valid msgs detected */ 139 unsigned long vf_caps; /* VF's adv. capabilities */ 140 u8 num_req_qs; /* num of queue pairs requested by VF */ 141 u16 num_mac; 142 u16 num_vf_qs; /* num of queue configured per VF */ 143 struct ice_mdd_vf_events mdd_rx_events; 144 struct ice_mdd_vf_events mdd_tx_events; 145 DECLARE_BITMAP(opcodes_allowlist, VIRTCHNL_OP_MAX); 146 147 struct ice_repr *repr; 148 149 struct ice_vc_vf_ops vc_ops; 150 151 /* devlink port data */ 152 struct devlink_port devlink_port; 153 }; 154 155 #ifdef CONFIG_PCI_IOV 156 struct ice_vsi *ice_get_vf_vsi(struct ice_vf *vf); 157 void ice_process_vflr_event(struct ice_pf *pf); 158 int ice_sriov_configure(struct pci_dev *pdev, int num_vfs); 159 int ice_set_vf_mac(struct net_device *netdev, int vf_id, u8 *mac); 160 int 161 ice_get_vf_cfg(struct net_device *netdev, int vf_id, struct ifla_vf_info *ivi); 162 163 void ice_free_vfs(struct ice_pf *pf); 164 void ice_vc_process_vf_msg(struct ice_pf *pf, struct ice_rq_event_info *event); 165 void ice_vc_notify_link_state(struct ice_pf *pf); 166 void ice_vc_notify_reset(struct ice_pf *pf); 167 void ice_vc_notify_vf_link_state(struct ice_vf *vf); 168 void ice_vc_change_ops_to_repr(struct ice_vc_vf_ops *ops); 169 void ice_vc_set_dflt_vf_ops(struct ice_vc_vf_ops *ops); 170 bool ice_reset_all_vfs(struct ice_pf *pf, bool is_vflr); 171 bool ice_reset_vf(struct ice_vf *vf, bool is_vflr); 172 void ice_restore_all_vfs_msi_state(struct pci_dev *pdev); 173 bool 174 ice_is_malicious_vf(struct ice_pf *pf, struct ice_rq_event_info *event, 175 u16 num_msg_proc, u16 num_msg_pending); 176 177 int 178 ice_set_vf_port_vlan(struct net_device *netdev, int vf_id, u16 vlan_id, u8 qos, 179 __be16 vlan_proto); 180 181 int 182 ice_set_vf_bw(struct net_device *netdev, int vf_id, int min_tx_rate, 183 int max_tx_rate); 184 185 int ice_set_vf_trust(struct net_device *netdev, int vf_id, bool trusted); 186 187 int ice_set_vf_link_state(struct net_device *netdev, int vf_id, int link_state); 188 189 int ice_check_vf_ready_for_cfg(struct ice_vf *vf); 190 191 bool ice_is_vf_disabled(struct ice_vf *vf); 192 193 int ice_set_vf_spoofchk(struct net_device *netdev, int vf_id, bool ena); 194 195 int ice_calc_vf_reg_idx(struct ice_vf *vf, struct ice_q_vector *q_vector); 196 197 void ice_set_vf_state_qs_dis(struct ice_vf *vf); 198 int 199 ice_get_vf_stats(struct net_device *netdev, int vf_id, 200 struct ifla_vf_stats *vf_stats); 201 bool ice_is_any_vf_in_promisc(struct ice_pf *pf); 202 void 203 ice_vf_lan_overflow_event(struct ice_pf *pf, struct ice_rq_event_info *event); 204 void ice_print_vfs_mdd_events(struct ice_pf *pf); 205 void ice_print_vf_rx_mdd_event(struct ice_vf *vf); 206 struct ice_vsi *ice_vf_ctrl_vsi_setup(struct ice_vf *vf); 207 int 208 ice_vc_send_msg_to_vf(struct ice_vf *vf, u32 v_opcode, 209 enum virtchnl_status_code v_retval, u8 *msg, u16 msglen); 210 bool ice_vc_isvalid_vsi_id(struct ice_vf *vf, u16 vsi_id); 211 #else /* CONFIG_PCI_IOV */ ice_process_vflr_event(struct ice_pf * pf)212 static inline void ice_process_vflr_event(struct ice_pf *pf) { } ice_free_vfs(struct ice_pf * pf)213 static inline void ice_free_vfs(struct ice_pf *pf) { } 214 static inline ice_vc_process_vf_msg(struct ice_pf * pf,struct ice_rq_event_info * event)215 void ice_vc_process_vf_msg(struct ice_pf *pf, struct ice_rq_event_info *event) { } ice_vc_notify_link_state(struct ice_pf * pf)216 static inline void ice_vc_notify_link_state(struct ice_pf *pf) { } ice_vc_notify_reset(struct ice_pf * pf)217 static inline void ice_vc_notify_reset(struct ice_pf *pf) { } ice_vc_notify_vf_link_state(struct ice_vf * vf)218 static inline void ice_vc_notify_vf_link_state(struct ice_vf *vf) { } ice_vc_change_ops_to_repr(struct ice_vc_vf_ops * ops)219 static inline void ice_vc_change_ops_to_repr(struct ice_vc_vf_ops *ops) { } ice_vc_set_dflt_vf_ops(struct ice_vc_vf_ops * ops)220 static inline void ice_vc_set_dflt_vf_ops(struct ice_vc_vf_ops *ops) { } ice_set_vf_state_qs_dis(struct ice_vf * vf)221 static inline void ice_set_vf_state_qs_dis(struct ice_vf *vf) { } 222 static inline ice_vf_lan_overflow_event(struct ice_pf * pf,struct ice_rq_event_info * event)223 void ice_vf_lan_overflow_event(struct ice_pf *pf, struct ice_rq_event_info *event) { } ice_print_vfs_mdd_events(struct ice_pf * pf)224 static inline void ice_print_vfs_mdd_events(struct ice_pf *pf) { } ice_print_vf_rx_mdd_event(struct ice_vf * vf)225 static inline void ice_print_vf_rx_mdd_event(struct ice_vf *vf) { } ice_restore_all_vfs_msi_state(struct pci_dev * pdev)226 static inline void ice_restore_all_vfs_msi_state(struct pci_dev *pdev) { } 227 ice_check_vf_ready_for_cfg(struct ice_vf * vf)228 static inline int ice_check_vf_ready_for_cfg(struct ice_vf *vf) 229 { 230 return -EOPNOTSUPP; 231 } 232 ice_is_vf_disabled(struct ice_vf * vf)233 static inline bool ice_is_vf_disabled(struct ice_vf *vf) 234 { 235 return true; 236 } 237 ice_get_vf_vsi(struct ice_vf * vf)238 static inline struct ice_vsi *ice_get_vf_vsi(struct ice_vf *vf) 239 { 240 return NULL; 241 } 242 243 static inline bool ice_is_malicious_vf(struct ice_pf __always_unused * pf,struct ice_rq_event_info __always_unused * event,u16 __always_unused num_msg_proc,u16 __always_unused num_msg_pending)244 ice_is_malicious_vf(struct ice_pf __always_unused *pf, 245 struct ice_rq_event_info __always_unused *event, 246 u16 __always_unused num_msg_proc, 247 u16 __always_unused num_msg_pending) 248 { 249 return false; 250 } 251 252 static inline bool ice_reset_all_vfs(struct ice_pf __always_unused * pf,bool __always_unused is_vflr)253 ice_reset_all_vfs(struct ice_pf __always_unused *pf, 254 bool __always_unused is_vflr) 255 { 256 return true; 257 } 258 259 static inline bool ice_reset_vf(struct ice_vf __always_unused * vf,bool __always_unused is_vflr)260 ice_reset_vf(struct ice_vf __always_unused *vf, bool __always_unused is_vflr) 261 { 262 return true; 263 } 264 265 static inline int ice_sriov_configure(struct pci_dev __always_unused * pdev,int __always_unused num_vfs)266 ice_sriov_configure(struct pci_dev __always_unused *pdev, 267 int __always_unused num_vfs) 268 { 269 return -EOPNOTSUPP; 270 } 271 272 static inline int ice_set_vf_mac(struct net_device __always_unused * netdev,int __always_unused vf_id,u8 __always_unused * mac)273 ice_set_vf_mac(struct net_device __always_unused *netdev, 274 int __always_unused vf_id, u8 __always_unused *mac) 275 { 276 return -EOPNOTSUPP; 277 } 278 279 static inline int ice_get_vf_cfg(struct net_device __always_unused * netdev,int __always_unused vf_id,struct ifla_vf_info __always_unused * ivi)280 ice_get_vf_cfg(struct net_device __always_unused *netdev, 281 int __always_unused vf_id, 282 struct ifla_vf_info __always_unused *ivi) 283 { 284 return -EOPNOTSUPP; 285 } 286 287 static inline int ice_set_vf_trust(struct net_device __always_unused * netdev,int __always_unused vf_id,bool __always_unused trusted)288 ice_set_vf_trust(struct net_device __always_unused *netdev, 289 int __always_unused vf_id, bool __always_unused trusted) 290 { 291 return -EOPNOTSUPP; 292 } 293 294 static inline int ice_set_vf_port_vlan(struct net_device __always_unused * netdev,int __always_unused vf_id,u16 __always_unused vid,u8 __always_unused qos,__be16 __always_unused v_proto)295 ice_set_vf_port_vlan(struct net_device __always_unused *netdev, 296 int __always_unused vf_id, u16 __always_unused vid, 297 u8 __always_unused qos, __be16 __always_unused v_proto) 298 { 299 return -EOPNOTSUPP; 300 } 301 302 static inline int ice_set_vf_spoofchk(struct net_device __always_unused * netdev,int __always_unused vf_id,bool __always_unused ena)303 ice_set_vf_spoofchk(struct net_device __always_unused *netdev, 304 int __always_unused vf_id, bool __always_unused ena) 305 { 306 return -EOPNOTSUPP; 307 } 308 309 static inline int ice_set_vf_link_state(struct net_device __always_unused * netdev,int __always_unused vf_id,int __always_unused link_state)310 ice_set_vf_link_state(struct net_device __always_unused *netdev, 311 int __always_unused vf_id, int __always_unused link_state) 312 { 313 return -EOPNOTSUPP; 314 } 315 316 static inline int ice_set_vf_bw(struct net_device __always_unused * netdev,int __always_unused vf_id,int __always_unused min_tx_rate,int __always_unused max_tx_rate)317 ice_set_vf_bw(struct net_device __always_unused *netdev, 318 int __always_unused vf_id, int __always_unused min_tx_rate, 319 int __always_unused max_tx_rate) 320 { 321 return -EOPNOTSUPP; 322 } 323 324 static inline int ice_calc_vf_reg_idx(struct ice_vf __always_unused * vf,struct ice_q_vector __always_unused * q_vector)325 ice_calc_vf_reg_idx(struct ice_vf __always_unused *vf, 326 struct ice_q_vector __always_unused *q_vector) 327 { 328 return 0; 329 } 330 331 static inline int ice_get_vf_stats(struct net_device __always_unused * netdev,int __always_unused vf_id,struct ifla_vf_stats __always_unused * vf_stats)332 ice_get_vf_stats(struct net_device __always_unused *netdev, 333 int __always_unused vf_id, 334 struct ifla_vf_stats __always_unused *vf_stats) 335 { 336 return -EOPNOTSUPP; 337 } 338 ice_is_any_vf_in_promisc(struct ice_pf __always_unused * pf)339 static inline bool ice_is_any_vf_in_promisc(struct ice_pf __always_unused *pf) 340 { 341 return false; 342 } 343 #endif /* CONFIG_PCI_IOV */ 344 #endif /* _ICE_VIRTCHNL_PF_H_ */ 345