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 */ 28 29 #ifndef _ECORE_CID_ 30 #define _ECORE_CID_ 31 32 #include "ecore_hsi_common.h" 33 #include "ecore_proto_if.h" 34 #include "ecore_cxt_api.h" 35 36 /* Tasks segments definitions */ 37 #define ECORE_CXT_ISCSI_TID_SEG PROTOCOLID_ISCSI /* 0 */ 38 #define ECORE_CXT_FCOE_TID_SEG PROTOCOLID_FCOE /* 1 */ 39 #define ECORE_CXT_ROCE_TID_SEG PROTOCOLID_ROCE /* 2 */ 40 41 enum ecore_cxt_elem_type { 42 ECORE_ELEM_CXT, 43 ECORE_ELEM_SRQ, 44 ECORE_ELEM_TASK, 45 ECORE_ELEM_XRC_SRQ, 46 }; 47 48 enum ilt_clients { 49 ILT_CLI_CDUC, 50 ILT_CLI_CDUT, 51 ILT_CLI_QM, 52 ILT_CLI_TM, 53 ILT_CLI_SRC, 54 ILT_CLI_TSDM, 55 ILT_CLI_MAX 56 }; 57 58 u32 ecore_cxt_get_proto_cid_count(struct ecore_hwfn *p_hwfn, 59 enum protocol_type type, 60 u32 *vf_cid); 61 62 u32 ecore_cxt_get_proto_tid_count(struct ecore_hwfn *p_hwfn, 63 enum protocol_type type); 64 65 u32 ecore_cxt_get_proto_cid_start(struct ecore_hwfn *p_hwfn, 66 enum protocol_type type); 67 68 u32 ecore_cxt_get_srq_count(struct ecore_hwfn *p_hwfn); 69 70 u32 ecore_cxt_get_xrc_srq_count(struct ecore_hwfn *p_hwfn); 71 72 /** 73 * @brief ecore_cxt_set_pf_params - Set the PF params for cxt init 74 * 75 * @param p_hwfn 76 * 77 * @return enum _ecore_status_t 78 */ 79 enum _ecore_status_t ecore_cxt_set_pf_params(struct ecore_hwfn *p_hwfn, 80 u32 rdma_tasks); 81 82 /** 83 * @brief ecore_cxt_cfg_ilt_compute - compute ILT init parameters 84 * 85 * @param p_hwfn 86 * @param last_line 87 * 88 * @return enum _ecore_status_t 89 */ 90 enum _ecore_status_t ecore_cxt_cfg_ilt_compute(struct ecore_hwfn *p_hwfn, 91 u32 *last_line); 92 93 /** 94 * @brief ecore_cxt_cfg_ilt_compute_excess - how many lines can be decreased 95 * 96 * @param p_hwfn 97 * @param used_lines 98 */ 99 u32 ecore_cxt_cfg_ilt_compute_excess(struct ecore_hwfn *p_hwfn, u32 used_lines); 100 101 /** 102 * @brief ecore_cxt_mngr_alloc - Allocate and init the context manager struct 103 * 104 * @param p_hwfn 105 * 106 * @return enum _ecore_status_t 107 */ 108 enum _ecore_status_t ecore_cxt_mngr_alloc(struct ecore_hwfn *p_hwfn); 109 110 /** 111 * @brief ecore_cxt_mngr_free 112 * 113 * @param p_hwfn 114 */ 115 void ecore_cxt_mngr_free(struct ecore_hwfn *p_hwfn); 116 117 /** 118 * @brief ecore_cxt_tables_alloc - Allocate ILT shadow, Searcher T2, acquired map 119 * 120 * @param p_hwfn 121 * 122 * @return enum _ecore_status_t 123 */ 124 enum _ecore_status_t ecore_cxt_tables_alloc(struct ecore_hwfn *p_hwfn); 125 126 /** 127 * @brief ecore_cxt_mngr_setup - Reset the acquired CIDs 128 * 129 * @param p_hwfn 130 */ 131 void ecore_cxt_mngr_setup(struct ecore_hwfn *p_hwfn); 132 133 /** 134 * @brief ecore_cxt_hw_init_common - Initailze ILT and DQ, common phase, per path. 135 * 136 * @param p_hwfn 137 */ 138 void ecore_cxt_hw_init_common(struct ecore_hwfn *p_hwfn); 139 140 /** 141 * @brief ecore_cxt_hw_init_pf - Initailze ILT and DQ, PF phase, per path. 142 * 143 * @param p_hwfn 144 * @param p_ptt 145 */ 146 void ecore_cxt_hw_init_pf(struct ecore_hwfn *p_hwfn, struct ecore_ptt *p_ptt); 147 148 /** 149 * @brief ecore_qm_init_pf - Initailze the QM PF phase, per path 150 * 151 * @param p_hwfn 152 * @param p_ptt 153 * @param is_pf_loading 154 */ 155 void ecore_qm_init_pf(struct ecore_hwfn *p_hwfn, struct ecore_ptt *p_ptt, 156 bool is_pf_loading); 157 158 /** 159 * @brief Reconfigures QM pf on the fly 160 * 161 * @param p_hwfn 162 * @param p_ptt 163 * 164 * @return enum _ecore_status_t 165 */ 166 enum _ecore_status_t ecore_qm_reconf(struct ecore_hwfn *p_hwfn, 167 struct ecore_ptt *p_ptt); 168 169 #define ECORE_CXT_PF_CID (0xff) 170 171 /** 172 * @brief ecore_cxt_release - Release a cid 173 * 174 * @param p_hwfn 175 * @param cid 176 */ 177 void ecore_cxt_release_cid(struct ecore_hwfn *p_hwfn, u32 cid); 178 179 /** 180 * @brief ecore_cxt_release - Release a cid belonging to a vf-queue 181 * 182 * @param p_hwfn 183 * @param cid 184 * @param vfid - engine relative index. ECORE_CXT_PF_CID if belongs to PF 185 */ 186 void _ecore_cxt_release_cid(struct ecore_hwfn *p_hwfn, 187 u32 cid, u8 vfid); 188 189 /** 190 * @brief ecore_cxt_acquire - Acquire a new cid of a specific protocol type 191 * 192 * @param p_hwfn 193 * @param type 194 * @param p_cid 195 * 196 * @return enum _ecore_status_t 197 */ 198 enum _ecore_status_t ecore_cxt_acquire_cid(struct ecore_hwfn *p_hwfn, 199 enum protocol_type type, 200 u32 *p_cid); 201 202 /** 203 * @brief _ecore_cxt_acquire - Acquire a new cid of a specific protocol type 204 * for a vf-queue 205 * 206 * @param p_hwfn 207 * @param type 208 * @param p_cid 209 * @param vfid - engine relative index. ECORE_CXT_PF_CID if belongs to PF 210 * 211 * @return enum _ecore_status_t 212 */ 213 enum _ecore_status_t _ecore_cxt_acquire_cid(struct ecore_hwfn *p_hwfn, 214 enum protocol_type type, 215 u32 *p_cid, u8 vfid); 216 217 /** 218 * @brief ecore_cxt_get_tid_mem_info - function checks if the 219 * page containing the iid in the ilt is already 220 * allocated, if it is not it allocates the page. 221 * 222 * @param p_hwfn 223 * @param elem_type 224 * @param iid 225 * 226 * @return enum _ecore_status_t 227 */ 228 enum _ecore_status_t 229 ecore_cxt_dynamic_ilt_alloc(struct ecore_hwfn *p_hwfn, 230 enum ecore_cxt_elem_type elem_type, 231 u32 iid); 232 233 /** 234 * @brief ecore_cxt_free_ilt_range - function frees ilt pages 235 * associated with the protocol and element type passed. 236 * 237 * @param p_hwfn 238 * @param proto 239 * 240 * @return enum _ecore_status_t 241 */ 242 enum _ecore_status_t 243 ecore_cxt_free_ilt_range(struct ecore_hwfn *p_hwfn, 244 enum ecore_cxt_elem_type elem_type, 245 u32 start_iid, u32 count); 246 247 #define ECORE_CTX_WORKING_MEM 0 248 #define ECORE_CTX_FL_MEM 1 249 enum _ecore_status_t ecore_cxt_get_task_ctx(struct ecore_hwfn *p_hwfn, 250 u32 tid, 251 u8 ctx_type, 252 void **task_ctx); 253 254 u32 ecore_cxt_get_ilt_page_size(struct ecore_hwfn *p_hwfn, 255 enum ilt_clients ilt_client); 256 257 u32 ecore_cxt_get_total_srq_count(struct ecore_hwfn *p_hwfn); 258 259 #endif /* _ECORE_CID_ */ 260