ceph/src/spdk/dpdk/drivers/net/qede/base/ecore_vf.h

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright (c) 2016 - 2018 Cavium Inc.
   3  * All rights reserved.
   4  * www.cavium.com
   5  */
   6
   7 #ifndef __ECORE_VF_H__
   8 #define __ECORE_VF_H__
   9
  10 #include "ecore_status.h"
  11 #include "ecore_vf_api.h"
  12 #include "ecore_l2_api.h"
  13 #include "ecore_vfpf_if.h"
  14
  15 /* Default number of CIDs [total of both Rx and Tx] to be requested
  16  * by default.
  17  */
  18 #define ECORE_ETH_VF_DEFAULT_NUM_CIDS   (32)
  19
  20 /* This data is held in the ecore_hwfn structure for VFs only. */
  21 struct ecore_vf_iov {
  22         union vfpf_tlvs                 *vf2pf_request;
  23         dma_addr_t                      vf2pf_request_phys;
  24         union pfvf_tlvs                 *pf2vf_reply;
  25         dma_addr_t                      pf2vf_reply_phys;
  26
  27         /* Should be taken whenever the mailbox buffers are accessed */
  28         osal_mutex_t                    mutex;
  29         u8                              *offset;
  30
  31         /* Bulletin Board */
  32         struct ecore_bulletin           bulletin;
  33         struct ecore_bulletin_content   bulletin_shadow;
  34
  35         /* we set aside a copy of the acquire response */
  36         struct pfvf_acquire_resp_tlv    acquire_resp;
  37
  38         /* In case PF originates prior to the fp-hsi version comparison,
  39          * this has to be propagated as it affects the fastpath.
  40          */
  41         bool b_pre_fp_hsi;
  42
  43         /* Current day VFs are passing the SBs physical address on vport
  44          * start, and as they lack an IGU mapping they need to store the
  45          * addresses of previously registered SBs.
  46          * Even if we were to change configuration flow, due to backward
  47          * compatibility [with older PFs] we'd still need to store these.
  48          */
  49         struct ecore_sb_info *sbs_info[PFVF_MAX_SBS_PER_VF];
  50
  51 #ifdef CONFIG_ECORE_SW_CHANNEL
  52         /* Would be set if the VF is to try communicating with it PF
  53          * using a hw channel.
  54          */
  55         bool b_hw_channel;
  56 #endif
  57
  58         /* Determines whether VF utilizes doorbells via limited register
  59          * bar or via the doorbell bar.
  60          */
  61         bool b_doorbell_bar;
  62 };
  63
  64 /**
  65  * @brief VF - Get coalesce per VF's relative queue.
  66  *
  67  * @param p_hwfn
  68  * @param p_coal - coalesce value in micro second for VF queues.
  69  * @param p_cid  - queue cid
  70  *
  71  **/
  72 enum _ecore_status_t ecore_vf_pf_get_coalesce(struct ecore_hwfn *p_hwfn,
  73                                               u16 *p_coal,
  74                                               struct ecore_queue_cid *p_cid);
  75 /**
  76  * @brief VF - Set Rx/Tx coalesce per VF's relative queue.
  77  *             Coalesce value '0' will omit the configuration.
  78  *
  79  * @param p_hwfn
  80  * @param rx_coal - coalesce value in micro second for rx queue
  81  * @param tx_coal - coalesce value in micro second for tx queue
  82  * @param p_cid   - queue cid
  83  *
  84  **/
  85 enum _ecore_status_t ecore_vf_pf_set_coalesce(struct ecore_hwfn *p_hwfn,
  86                                               u16 rx_coal, u16 tx_coal,
  87                                               struct ecore_queue_cid *p_cid);
  88
  89 #ifdef CONFIG_ECORE_SRIOV
  90 /**
  91  * @brief hw preparation for VF
  92  *      sends ACQUIRE message
  93  *
  94  * @param p_hwfn
  95  *
  96  * @return enum _ecore_status_t
  97  */
  98 enum _ecore_status_t ecore_vf_hw_prepare(struct ecore_hwfn *p_hwfn);
  99
 100 /**
 101  * @brief VF - start the RX Queue by sending a message to the PF
 102  *
 103  * @param p_hwfn
 104  * @param p_cid                 - Only relative fields are relevant
 105  * @param bd_max_bytes          - maximum number of bytes per bd
 106  * @param bd_chain_phys_addr    - physical address of bd chain
 107  * @param cqe_pbl_addr          - physical address of pbl
 108  * @param cqe_pbl_size          - pbl size
 109  * @param pp_prod               - pointer to the producer to be
 110  *                                used in fasthpath
 111  *
 112  * @return enum _ecore_status_t
 113  */
 114 enum _ecore_status_t ecore_vf_pf_rxq_start(struct ecore_hwfn *p_hwfn,
 115                                            struct ecore_queue_cid *p_cid,
 116                                            u16 bd_max_bytes,
 117                                            dma_addr_t bd_chain_phys_addr,
 118                                            dma_addr_t cqe_pbl_addr,
 119                                            u16 cqe_pbl_size,
 120                                            void OSAL_IOMEM **pp_prod);
 121
 122 /**
 123  * @brief VF - start the TX queue by sending a message to the
 124  *        PF.
 125  *
 126  * @param p_hwfn
 127  * @param p_cid
 128  * @param bd_chain_phys_addr    - physical address of tx chain
 129  * @param pp_doorbell           - pointer to address to which to
 130  *                              write the doorbell too..
 131  *
 132  * @return enum _ecore_status_t
 133  */
 134 enum _ecore_status_t
 135 ecore_vf_pf_txq_start(struct ecore_hwfn *p_hwfn,
 136                       struct ecore_queue_cid *p_cid,
 137                       dma_addr_t pbl_addr, u16 pbl_size,
 138                       void OSAL_IOMEM **pp_doorbell);
 139
 140 /**
 141  * @brief VF - stop the RX queue by sending a message to the PF
 142  *
 143  * @param p_hwfn
 144  * @param p_cid
 145  * @param cqe_completion
 146  *
 147  * @return enum _ecore_status_t
 148  */
 149 enum _ecore_status_t ecore_vf_pf_rxq_stop(struct ecore_hwfn *p_hwfn,
 150                                           struct ecore_queue_cid *p_cid,
 151                                           bool cqe_completion);
 152
 153 /**
 154  * @brief VF - stop the TX queue by sending a message to the PF
 155  *
 156  * @param p_hwfn
 157  * @param p_cid
 158  *
 159  * @return enum _ecore_status_t
 160  */
 161 enum _ecore_status_t ecore_vf_pf_txq_stop(struct ecore_hwfn *p_hwfn,
 162                                           struct ecore_queue_cid *p_cid);
 163
 164 /* TODO - fix all the !SRIOV prototypes */
 165
 166 #ifndef LINUX_REMOVE
 167 /**
 168  * @brief VF - update the RX queue by sending a message to the
 169  *        PF
 170  *
 171  * @param p_hwfn
 172  * @param pp_cid - list of queue-cids which we want to update
 173  * @param num_rxqs
 174  * @param comp_cqe_flg
 175  * @param comp_event_flg
 176  *
 177  * @return enum _ecore_status_t
 178  */
 179 enum _ecore_status_t ecore_vf_pf_rxqs_update(struct ecore_hwfn *p_hwfn,
 180                                              struct ecore_queue_cid **pp_cid,
 181                                              u8 num_rxqs,
 182                                              u8 comp_cqe_flg,
 183                                              u8 comp_event_flg);
 184 #endif
 185
 186 /**
 187  * @brief VF - send a vport update command
 188  *
 189  * @param p_hwfn
 190  * @param params
 191  *
 192  * @return enum _ecore_status_t
 193  */
 194 enum _ecore_status_t
 195 ecore_vf_pf_vport_update(struct ecore_hwfn *p_hwfn,
 196                          struct ecore_sp_vport_update_params *p_params);
 197
 198 /**
 199  * @brief VF - send a close message to PF
 200  *
 201  * @param p_hwfn
 202  *
 203  * @return enum _ecore_status
 204  */
 205 enum _ecore_status_t ecore_vf_pf_reset(struct ecore_hwfn *p_hwfn);
 206
 207 /**
 208  * @brief VF - free vf`s memories
 209  *
 210  * @param p_hwfn
 211  *
 212  * @return enum _ecore_status
 213  */
 214 enum _ecore_status_t ecore_vf_pf_release(struct ecore_hwfn *p_hwfn);
 215
 216 /**
 217  * @brief ecore_vf_get_igu_sb_id - Get the IGU SB ID for a given
 218  *        sb_id. For VFs igu sbs don't have to be contiguous
 219  *
 220  * @param p_hwfn
 221  * @param sb_id
 222  *
 223  * @return INLINE u16
 224  */
 225 u16 ecore_vf_get_igu_sb_id(struct ecore_hwfn *p_hwfn,
 226                            u16               sb_id);
 227
 228 /**
 229  * @brief Stores [or removes] a configured sb_info.
 230  *
 231  * @param p_hwfn
 232  * @param sb_id - zero-based SB index [for fastpath]
 233  * @param sb_info - may be OSAL_NULL [during removal].
 234  */
 235 void ecore_vf_set_sb_info(struct ecore_hwfn *p_hwfn,
 236                           u16 sb_id, struct ecore_sb_info *p_sb);
 237
 238 /**
 239  * @brief ecore_vf_pf_vport_start - perform vport start for VF.
 240  *
 241  * @param p_hwfn
 242  * @param vport_id
 243  * @param mtu
 244  * @param inner_vlan_removal
 245  * @param tpa_mode
 246  * @param max_buffers_per_cqe,
 247  * @param only_untagged - default behavior regarding vlan acceptance
 248  *
 249  * @return enum _ecore_status
 250  */
 251 enum _ecore_status_t ecore_vf_pf_vport_start(
 252                         struct ecore_hwfn *p_hwfn,
 253                         u8 vport_id,
 254                         u16 mtu,
 255                         u8 inner_vlan_removal,
 256                         enum ecore_tpa_mode tpa_mode,
 257                         u8 max_buffers_per_cqe,
 258                         u8 only_untagged);
 259
 260 /**
 261  * @brief ecore_vf_pf_vport_stop - stop the VF's vport
 262  *
 263  * @param p_hwfn
 264  *
 265  * @return enum _ecore_status
 266  */
 267 enum _ecore_status_t ecore_vf_pf_vport_stop(struct ecore_hwfn *p_hwfn);
 268
 269 enum _ecore_status_t ecore_vf_pf_filter_ucast(
 270                         struct ecore_hwfn *p_hwfn,
 271                         struct ecore_filter_ucast *p_param);
 272
 273 void ecore_vf_pf_filter_mcast(struct ecore_hwfn *p_hwfn,
 274                               struct ecore_filter_mcast *p_filter_cmd);
 275
 276 /**
 277  * @brief ecore_vf_pf_int_cleanup - clean the SB of the VF
 278  *
 279  * @param p_hwfn
 280  *
 281  * @return enum _ecore_status
 282  */
 283 enum _ecore_status_t ecore_vf_pf_int_cleanup(struct ecore_hwfn *p_hwfn);
 284
 285 /**
 286  * @brief - return the link params in a given bulletin board
 287  *
 288  * @param p_params - pointer to a struct to fill with link params
 289  * @param p_bulletin
 290  */
 291 void __ecore_vf_get_link_params(struct ecore_mcp_link_params *p_params,
 292                                 struct ecore_bulletin_content *p_bulletin);
 293
 294 /**
 295  * @brief - return the link state in a given bulletin board
 296  *
 297  * @param p_link - pointer to a struct to fill with link state
 298  * @param p_bulletin
 299  */
 300 void __ecore_vf_get_link_state(struct ecore_mcp_link_state *p_link,
 301                                struct ecore_bulletin_content *p_bulletin);
 302
 303 /**
 304  * @brief - return the link capabilities in a given bulletin board
 305  *
 306  * @param p_link - pointer to a struct to fill with link capabilities
 307  * @param p_bulletin
 308  */
 309 void __ecore_vf_get_link_caps(struct ecore_mcp_link_capabilities *p_link_caps,
 310                               struct ecore_bulletin_content *p_bulletin);
 311
 312 enum _ecore_status_t
 313 ecore_vf_pf_tunnel_param_update(struct ecore_hwfn *p_hwfn,
 314                                 struct ecore_tunnel_info *p_tunn);
 315
 316 void ecore_vf_set_vf_start_tunn_update_param(struct ecore_tunnel_info *p_tun);
 317
 318 u32 ecore_vf_hw_bar_size(struct ecore_hwfn *p_hwfn,
 319                      enum BAR_ID bar_id);
 320
 321 /**
 322  * @brief - ecore_vf_pf_update_mtu Update MTU for VF.
 323  *
 324  * @param p_hwfn
 325  * @param - mtu
 326  */
 327 enum _ecore_status_t
 328 ecore_vf_pf_update_mtu(struct ecore_hwfn *p_hwfn, u16 mtu);
 329 #endif
 330 #endif /* __ECORE_VF_H__ */