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