1 /* 2 * Copyright (c) 2017-2018 Cavium, Inc. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 16 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 19 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 20 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 21 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 22 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 23 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 24 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 25 * POSSIBILITY OF SUCH DAMAGE. 26 * 27 * $FreeBSD$ 28 * 29 */ 30 31 #ifndef __ECORE_VF_H__ 32 #define __ECORE_VF_H__ 33 34 #include "ecore_status.h" 35 #include "ecore_vf_api.h" 36 #include "ecore_l2_api.h" 37 #include "ecore_vfpf_if.h" 38 39 /* Default number of CIDs [total of both Rx and Tx] to be requested 40 * by default, and maximum possible number. 41 */ 42 #define ECORE_ETH_VF_DEFAULT_NUM_CIDS (32) 43 #define ECORE_ETH_VF_MAX_NUM_CIDS (255) 44 45 /* This data is held in the ecore_hwfn structure for VFs only. */ 46 struct ecore_vf_iov { 47 union vfpf_tlvs *vf2pf_request; 48 dma_addr_t vf2pf_request_phys; 49 union pfvf_tlvs *pf2vf_reply; 50 dma_addr_t pf2vf_reply_phys; 51 52 /* Should be taken whenever the mailbox buffers are accessed */ 53 osal_mutex_t mutex; 54 u8 *offset; 55 56 /* Bulletin Board */ 57 struct ecore_bulletin bulletin; 58 struct ecore_bulletin_content bulletin_shadow; 59 60 /* we set aside a copy of the acquire response */ 61 struct pfvf_acquire_resp_tlv acquire_resp; 62 63 /* In case PF originates prior to the fp-hsi version comparison, 64 * this has to be propagated as it affects the fastpath. 65 */ 66 bool b_pre_fp_hsi; 67 68 /* Current day VFs are passing the SBs physical address on vport 69 * start, and as they lack an IGU mapping they need to store the 70 * addresses of previously registered SBs. 71 * Even if we were to change configuration flow, due to backward 72 * compatability [with older PFs] we'd still need to store these. 73 */ 74 struct ecore_sb_info *sbs_info[PFVF_MAX_SBS_PER_VF]; 75 76 #ifdef CONFIG_ECORE_SW_CHANNEL 77 /* Would be set if the VF is to try communicating with it PF 78 * using a hw channel. 79 */ 80 bool b_hw_channel; 81 #endif 82 83 /* Determines whether VF utilizes doorbells via limited register 84 * bar or via the doorbell bar. 85 */ 86 bool b_doorbell_bar; 87 }; 88 89 /** 90 * @brief VF - Get coalesce per VF's relative queue. 91 * 92 * @param p_hwfn 93 * @param p_coal - coalesce value in micro second for VF queues. 94 * @param p_cid - queue cid 95 * 96 **/ 97 enum _ecore_status_t ecore_vf_pf_get_coalesce(struct ecore_hwfn *p_hwfn, 98 u16 *p_coal, 99 struct ecore_queue_cid *p_cid); 100 /** 101 * @brief VF - Set Rx/Tx coalesce per VF's relative queue. 102 * Coalesce value '0' will omit the configuration. 103 * 104 * @param p_hwfn 105 * @param rx_coal - coalesce value in micro second for rx queue 106 * @param tx_coal - coalesce value in micro second for tx queue 107 * @param p_cid - queue cid 108 * 109 **/ 110 enum _ecore_status_t ecore_vf_pf_set_coalesce(struct ecore_hwfn *p_hwfn, 111 u16 rx_coal, u16 tx_coal, 112 struct ecore_queue_cid *p_cid); 113 114 #ifdef CONFIG_ECORE_SRIOV 115 /** 116 * @brief hw preparation for VF 117 * sends ACQUIRE message 118 * 119 * @param p_hwfn 120 * 121 * @return enum _ecore_status_t 122 */ 123 enum _ecore_status_t ecore_vf_hw_prepare(struct ecore_hwfn *p_hwfn); 124 125 /** 126 * @brief VF - start the RX Queue by sending a message to the PF 127 * 128 * @param p_hwfn 129 * @param p_cid - Only relative fields are relevant 130 * @param bd_max_bytes - maximum number of bytes per bd 131 * @param bd_chain_phys_addr - physical address of bd chain 132 * @param cqe_pbl_addr - physical address of pbl 133 * @param cqe_pbl_size - pbl size 134 * @param pp_prod - pointer to the producer to be 135 * used in fasthpath 136 * 137 * @return enum _ecore_status_t 138 */ 139 enum _ecore_status_t ecore_vf_pf_rxq_start(struct ecore_hwfn *p_hwfn, 140 struct ecore_queue_cid *p_cid, 141 u16 bd_max_bytes, 142 dma_addr_t bd_chain_phys_addr, 143 dma_addr_t cqe_pbl_addr, 144 u16 cqe_pbl_size, 145 void OSAL_IOMEM **pp_prod); 146 147 /** 148 * @brief VF - start the TX queue by sending a message to the 149 * PF. 150 * 151 * @param p_hwfn 152 * @param p_cid 153 * @param bd_chain_phys_addr - physical address of tx chain 154 * @param pp_doorbell - pointer to address to which to 155 * write the doorbell too.. 156 * 157 * @return enum _ecore_status_t 158 */ 159 enum _ecore_status_t 160 ecore_vf_pf_txq_start(struct ecore_hwfn *p_hwfn, 161 struct ecore_queue_cid *p_cid, 162 dma_addr_t pbl_addr, u16 pbl_size, 163 void OSAL_IOMEM **pp_doorbell); 164 165 /** 166 * @brief VF - stop the RX queue by sending a message to the PF 167 * 168 * @param p_hwfn 169 * @param p_cid 170 * @param cqe_completion 171 * 172 * @return enum _ecore_status_t 173 */ 174 enum _ecore_status_t ecore_vf_pf_rxq_stop(struct ecore_hwfn *p_hwfn, 175 struct ecore_queue_cid *p_cid, 176 bool cqe_completion); 177 178 /** 179 * @brief VF - stop the TX queue by sending a message to the PF 180 * 181 * @param p_hwfn 182 * @param p_cid 183 * 184 * @return enum _ecore_status_t 185 */ 186 enum _ecore_status_t ecore_vf_pf_txq_stop(struct ecore_hwfn *p_hwfn, 187 struct ecore_queue_cid *p_cid); 188 189 /* TODO - fix all the !SRIOV prototypes */ 190 191 #ifndef LINUX_REMOVE 192 /** 193 * @brief VF - update the RX queue by sending a message to the 194 * PF 195 * 196 * @param p_hwfn 197 * @param pp_cid - list of queue-cids which we want to update 198 * @param num_rxqs 199 * @param comp_cqe_flg 200 * @param comp_event_flg 201 * 202 * @return enum _ecore_status_t 203 */ 204 enum _ecore_status_t ecore_vf_pf_rxqs_update(struct ecore_hwfn *p_hwfn, 205 struct ecore_queue_cid **pp_cid, 206 u8 num_rxqs, 207 u8 comp_cqe_flg, 208 u8 comp_event_flg); 209 #endif 210 211 /** 212 * @brief VF - send a vport update command 213 * 214 * @param p_hwfn 215 * @param params 216 * 217 * @return enum _ecore_status_t 218 */ 219 enum _ecore_status_t ecore_vf_pf_vport_update(struct ecore_hwfn *p_hwfn, 220 struct ecore_sp_vport_update_params *p_params); 221 222 /** 223 * @brief VF - send a close message to PF 224 * 225 * @param p_hwfn 226 * 227 * @return enum _ecore_status 228 */ 229 enum _ecore_status_t ecore_vf_pf_reset(struct ecore_hwfn *p_hwfn); 230 231 /** 232 * @brief VF - free vf`s memories 233 * 234 * @param p_hwfn 235 * 236 * @return enum _ecore_status 237 */ 238 enum _ecore_status_t ecore_vf_pf_release(struct ecore_hwfn *p_hwfn); 239 240 /** 241 * @brief ecore_vf_get_igu_sb_id - Get the IGU SB ID for a given 242 * sb_id. For VFs igu sbs don't have to be contiguous 243 * 244 * @param p_hwfn 245 * @param sb_id 246 * 247 * @return INLINE u16 248 */ 249 u16 ecore_vf_get_igu_sb_id(struct ecore_hwfn *p_hwfn, 250 u16 sb_id); 251 252 /** 253 * @brief Stores [or removes] a configured sb_info. 254 * 255 * @param p_hwfn 256 * @param sb_id - zero-based SB index [for fastpath] 257 * @param sb_info - may be OSAL_NULL [during removal]. 258 */ 259 void ecore_vf_set_sb_info(struct ecore_hwfn *p_hwfn, 260 u16 sb_id, struct ecore_sb_info *p_sb); 261 262 /** 263 * @brief ecore_vf_pf_vport_start - perform vport start for VF. 264 * 265 * @param p_hwfn 266 * @param vport_id 267 * @param mtu 268 * @param inner_vlan_removal 269 * @param tpa_mode 270 * @param max_buffers_per_cqe, 271 * @param only_untagged - default behavior regarding vlan acceptance 272 * @param zero_placement_offset - if set, zero padding will be inserted 273 * 274 * @return enum _ecore_status 275 */ 276 enum _ecore_status_t ecore_vf_pf_vport_start( 277 struct ecore_hwfn *p_hwfn, 278 u8 vport_id, 279 u16 mtu, 280 u8 inner_vlan_removal, 281 enum ecore_tpa_mode tpa_mode, 282 u8 max_buffers_per_cqe, 283 u8 only_untagged, 284 u8 zero_placement_offset); 285 286 /** 287 * @brief ecore_vf_pf_vport_stop - stop the VF's vport 288 * 289 * @param p_hwfn 290 * 291 * @return enum _ecore_status 292 */ 293 enum _ecore_status_t ecore_vf_pf_vport_stop(struct ecore_hwfn *p_hwfn); 294 295 enum _ecore_status_t ecore_vf_pf_filter_ucast( 296 struct ecore_hwfn *p_hwfn, 297 struct ecore_filter_ucast *p_param); 298 299 void ecore_vf_pf_filter_mcast(struct ecore_hwfn *p_hwfn, 300 struct ecore_filter_mcast *p_filter_cmd); 301 302 /** 303 * @brief ecore_vf_pf_int_cleanup - clean the SB of the VF 304 * 305 * @param p_hwfn 306 * 307 * @return enum _ecore_status 308 */ 309 enum _ecore_status_t ecore_vf_pf_int_cleanup(struct ecore_hwfn *p_hwfn); 310 311 /** 312 * @brief - return the link params in a given bulletin board 313 * 314 * @param p_params - pointer to a struct to fill with link params 315 * @param p_bulletin 316 */ 317 void __ecore_vf_get_link_params(struct ecore_mcp_link_params *p_params, 318 struct ecore_bulletin_content *p_bulletin); 319 320 /** 321 * @brief - return the link state in a given bulletin board 322 * 323 * @param p_link - pointer to a struct to fill with link state 324 * @param p_bulletin 325 */ 326 void __ecore_vf_get_link_state(struct ecore_mcp_link_state *p_link, 327 struct ecore_bulletin_content *p_bulletin); 328 329 /** 330 * @brief - return the link capabilities in a given bulletin board 331 * 332 * @param p_link - pointer to a struct to fill with link capabilities 333 * @param p_bulletin 334 */ 335 void __ecore_vf_get_link_caps(struct ecore_mcp_link_capabilities *p_link_caps, 336 struct ecore_bulletin_content *p_bulletin); 337 enum _ecore_status_t 338 ecore_vf_pf_tunnel_param_update(struct ecore_hwfn *p_hwfn, 339 struct ecore_tunnel_info *p_tunn); 340 void ecore_vf_set_vf_start_tunn_update_param(struct ecore_tunnel_info *p_tun); 341 342 u32 ecore_vf_hw_bar_size(struct ecore_hwfn *p_hwfn, enum BAR_ID bar_id); 343 #else 344 static OSAL_INLINE enum _ecore_status_t ecore_vf_hw_prepare(struct ecore_hwfn OSAL_UNUSED *p_hwfn) {return ECORE_INVAL;} 345 static OSAL_INLINE enum _ecore_status_t ecore_vf_pf_rxq_start(struct ecore_hwfn OSAL_UNUSED *p_hwfn, struct ecore_queue_cid OSAL_UNUSED *p_cid, u16 OSAL_UNUSED bd_max_bytes, dma_addr_t OSAL_UNUSED bd_chain_phys_addr, dma_addr_t OSAL_UNUSED cqe_pbl_addr, u16 OSAL_UNUSED cqe_pbl_size, void OSAL_IOMEM OSAL_UNUSED **pp_prod) {return ECORE_INVAL;} 346 static OSAL_INLINE enum _ecore_status_t ecore_vf_pf_txq_start(struct ecore_hwfn OSAL_UNUSED *p_hwfn, struct ecore_queue_cid OSAL_UNUSED *p_cid, dma_addr_t OSAL_UNUSED pbl_addr, u16 OSAL_UNUSED pbl_size, void OSAL_IOMEM OSAL_UNUSED **pp_doorbell) {return ECORE_INVAL;} 347 348 static OSAL_INLINE enum _ecore_status_t ecore_vf_pf_rxq_stop(struct ecore_hwfn OSAL_UNUSED *p_hwfn, struct ecore_queue_cid OSAL_UNUSED *p_cid, bool OSAL_UNUSED cqe_completion) {return ECORE_INVAL;} 349 static OSAL_INLINE enum _ecore_status_t ecore_vf_pf_txq_stop(struct ecore_hwfn OSAL_UNUSED *p_hwfn, struct ecore_queue_cid OSAL_UNUSED *p_cid) {return ECORE_INVAL;} 350 #ifndef LINUX_REMOVE 351 static OSAL_INLINE enum _ecore_status_t ecore_vf_pf_rxqs_update(struct ecore_hwfn OSAL_UNUSED *p_hwfn, struct ecore_queue_cid OSAL_UNUSED **pp_cid, u8 OSAL_UNUSED num_rxqs, u8 OSAL_UNUSED comp_cqe_flg, u8 OSAL_UNUSED comp_event_flg) {return ECORE_INVAL;} 352 #endif 353 static OSAL_INLINE enum _ecore_status_t ecore_vf_pf_vport_update(struct ecore_hwfn OSAL_UNUSED *p_hwfn, struct ecore_sp_vport_update_params OSAL_UNUSED *p_params) {return ECORE_INVAL;} 354 static OSAL_INLINE enum _ecore_status_t ecore_vf_pf_reset(struct ecore_hwfn OSAL_UNUSED *p_hwfn) {return ECORE_INVAL;} 355 static OSAL_INLINE enum _ecore_status_t ecore_vf_pf_release(struct ecore_hwfn OSAL_UNUSED *p_hwfn) {return ECORE_INVAL;} 356 static OSAL_INLINE u16 ecore_vf_get_igu_sb_id(struct ecore_hwfn OSAL_UNUSED *p_hwfn, u16 OSAL_UNUSED sb_id) {return 0;} 357 static OSAL_INLINE void ecore_vf_set_sb_info(struct ecore_hwfn OSAL_UNUSED *p_hwfn, u16 OSAL_UNUSED sb_id, struct ecore_sb_info OSAL_UNUSED *p_sb) {} 358 359 static OSAL_INLINE enum _ecore_status_t ecore_vf_pf_vport_start(struct ecore_hwfn OSAL_UNUSED *p_hwfn, u8 OSAL_UNUSED vport_id, u16 OSAL_UNUSED mtu, u8 OSAL_UNUSED inner_vlan_removal, enum ecore_tpa_mode OSAL_UNUSED tpa_mode, u8 OSAL_UNUSED max_buffers_per_cqe, u8 OSAL_UNUSED only_untagged, u8 OSAL_UNUSED zero_placement_offset) {return ECORE_INVAL;} 360 static OSAL_INLINE enum _ecore_status_t ecore_vf_pf_vport_stop(struct ecore_hwfn OSAL_UNUSED *p_hwfn) {return ECORE_INVAL;} 361 static OSAL_INLINE enum _ecore_status_t ecore_vf_pf_filter_ucast(struct ecore_hwfn OSAL_UNUSED *p_hwfn, struct ecore_filter_ucast OSAL_UNUSED *p_param) {return ECORE_INVAL;} 362 static OSAL_INLINE void ecore_vf_pf_filter_mcast(struct ecore_hwfn OSAL_UNUSED *p_hwfn, struct ecore_filter_mcast OSAL_UNUSED *p_filter_cmd) {} 363 static OSAL_INLINE enum _ecore_status_t ecore_vf_pf_int_cleanup(struct ecore_hwfn OSAL_UNUSED *p_hwfn) {return ECORE_INVAL;} 364 static OSAL_INLINE void __ecore_vf_get_link_params(struct ecore_mcp_link_params OSAL_UNUSED *p_params, struct ecore_bulletin_content OSAL_UNUSED *p_bulletin) {} 365 static OSAL_INLINE void __ecore_vf_get_link_state(struct ecore_mcp_link_state OSAL_UNUSED *p_link, struct ecore_bulletin_content OSAL_UNUSED *p_bulletin) {} 366 static OSAL_INLINE void __ecore_vf_get_link_caps(struct ecore_mcp_link_capabilities OSAL_UNUSED *p_link_caps, struct ecore_bulletin_content OSAL_UNUSED *p_bulletin) {} 367 static OSAL_INLINE enum _ecore_status_t ecore_vf_pf_tunnel_param_update(struct ecore_hwfn OSAL_UNUSED *p_hwfn, struct ecore_tunnel_info OSAL_UNUSED *p_tunn) { return ECORE_INVAL; } 368 static OSAL_INLINE void ecore_vf_set_vf_start_tunn_update_param(struct ecore_tunnel_info OSAL_UNUSED *p_tun) { return; } 369 370 static OSAL_INLINE u32 371 ecore_vf_hw_bar_size(struct ecore_hwfn OSAL_UNUSED *p_hwfn, 372 enum BAR_ID OSAL_UNUSED bar_id) 373 { 374 return 0; 375 } 376 #endif 377 378 #endif /* __ECORE_VF_H__ */ 379