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