1fe56b9e6SYuval Mintz /* QLogic qed NIC Driver 2e8f1cb50SMintz, Yuval * Copyright (c) 2015-2017 QLogic Corporation 3fe56b9e6SYuval Mintz * 4e8f1cb50SMintz, Yuval * This software is available to you under a choice of one of two 5e8f1cb50SMintz, Yuval * licenses. You may choose to be licensed under the terms of the GNU 6e8f1cb50SMintz, Yuval * General Public License (GPL) Version 2, available from the file 7e8f1cb50SMintz, Yuval * COPYING in the main directory of this source tree, or the 8e8f1cb50SMintz, Yuval * OpenIB.org BSD license below: 9e8f1cb50SMintz, Yuval * 10e8f1cb50SMintz, Yuval * Redistribution and use in source and binary forms, with or 11e8f1cb50SMintz, Yuval * without modification, are permitted provided that the following 12e8f1cb50SMintz, Yuval * conditions are met: 13e8f1cb50SMintz, Yuval * 14e8f1cb50SMintz, Yuval * - Redistributions of source code must retain the above 15e8f1cb50SMintz, Yuval * copyright notice, this list of conditions and the following 16e8f1cb50SMintz, Yuval * disclaimer. 17e8f1cb50SMintz, Yuval * 18e8f1cb50SMintz, Yuval * - Redistributions in binary form must reproduce the above 19e8f1cb50SMintz, Yuval * copyright notice, this list of conditions and the following 20e8f1cb50SMintz, Yuval * disclaimer in the documentation and /or other materials 21e8f1cb50SMintz, Yuval * provided with the distribution. 22e8f1cb50SMintz, Yuval * 23e8f1cb50SMintz, Yuval * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 24e8f1cb50SMintz, Yuval * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 25e8f1cb50SMintz, Yuval * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 26e8f1cb50SMintz, Yuval * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS 27e8f1cb50SMintz, Yuval * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN 28e8f1cb50SMintz, Yuval * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 29e8f1cb50SMintz, Yuval * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 30e8f1cb50SMintz, Yuval * SOFTWARE. 31fe56b9e6SYuval Mintz */ 32fe56b9e6SYuval Mintz 33fe56b9e6SYuval Mintz #ifndef _QED_CXT_H 34fe56b9e6SYuval Mintz #define _QED_CXT_H 35fe56b9e6SYuval Mintz 36fe56b9e6SYuval Mintz #include <linux/types.h> 37fe56b9e6SYuval Mintz #include <linux/slab.h> 38fe56b9e6SYuval Mintz #include <linux/qed/qed_if.h> 39fe56b9e6SYuval Mintz #include "qed_hsi.h" 40fe56b9e6SYuval Mintz #include "qed.h" 41fe56b9e6SYuval Mintz 42fe56b9e6SYuval Mintz struct qed_cxt_info { 43fe56b9e6SYuval Mintz void *p_cxt; 44fe56b9e6SYuval Mintz u32 iid; 45fe56b9e6SYuval Mintz enum protocol_type type; 46fe56b9e6SYuval Mintz }; 47fe56b9e6SYuval Mintz 48dbb799c3SYuval Mintz #define MAX_TID_BLOCKS 512 49dbb799c3SYuval Mintz struct qed_tid_mem { 50dbb799c3SYuval Mintz u32 tid_size; 51dbb799c3SYuval Mintz u32 num_tids_per_block; 52dbb799c3SYuval Mintz u32 waste; 53dbb799c3SYuval Mintz u8 *blocks[MAX_TID_BLOCKS]; /* 4K */ 54dbb799c3SYuval Mintz }; 55dbb799c3SYuval Mintz 56fe56b9e6SYuval Mintz /** 57fe56b9e6SYuval Mintz * @brief qedo_cid_get_cxt_info - Returns the context info for a specific cid 58fe56b9e6SYuval Mintz * 59fe56b9e6SYuval Mintz * 60fe56b9e6SYuval Mintz * @param p_hwfn 61fe56b9e6SYuval Mintz * @param p_info in/out 62fe56b9e6SYuval Mintz * 63fe56b9e6SYuval Mintz * @return int 64fe56b9e6SYuval Mintz */ 65fe56b9e6SYuval Mintz int qed_cxt_get_cid_info(struct qed_hwfn *p_hwfn, 66fe56b9e6SYuval Mintz struct qed_cxt_info *p_info); 67fe56b9e6SYuval Mintz 68dbb799c3SYuval Mintz /** 69dbb799c3SYuval Mintz * @brief qed_cxt_get_tid_mem_info 70dbb799c3SYuval Mintz * 71dbb799c3SYuval Mintz * @param p_hwfn 72dbb799c3SYuval Mintz * @param p_info 73dbb799c3SYuval Mintz * 74dbb799c3SYuval Mintz * @return int 75dbb799c3SYuval Mintz */ 76dbb799c3SYuval Mintz int qed_cxt_get_tid_mem_info(struct qed_hwfn *p_hwfn, 77dbb799c3SYuval Mintz struct qed_tid_mem *p_info); 78dbb799c3SYuval Mintz 79dbb799c3SYuval Mintz #define QED_CXT_ISCSI_TID_SEG PROTOCOLID_ISCSI 80dbb799c3SYuval Mintz #define QED_CXT_ROCE_TID_SEG PROTOCOLID_ROCE 811e128c81SArun Easi #define QED_CXT_FCOE_TID_SEG PROTOCOLID_FCOE 82fe56b9e6SYuval Mintz enum qed_cxt_elem_type { 83fe56b9e6SYuval Mintz QED_ELEM_CXT, 84dbb799c3SYuval Mintz QED_ELEM_SRQ, 85fe56b9e6SYuval Mintz QED_ELEM_TASK 86fe56b9e6SYuval Mintz }; 87fe56b9e6SYuval Mintz 881408cc1fSYuval Mintz u32 qed_cxt_get_proto_cid_count(struct qed_hwfn *p_hwfn, 891408cc1fSYuval Mintz enum protocol_type type, u32 *vf_cid); 901408cc1fSYuval Mintz 91fe56b9e6SYuval Mintz /** 92fe56b9e6SYuval Mintz * @brief qed_cxt_set_pf_params - Set the PF params for cxt init 93fe56b9e6SYuval Mintz * 94fe56b9e6SYuval Mintz * @param p_hwfn 95f9dc4d1fSRam Amrani * @param rdma_tasks - requested maximum 96fe56b9e6SYuval Mintz * @return int 97fe56b9e6SYuval Mintz */ 98f9dc4d1fSRam Amrani int qed_cxt_set_pf_params(struct qed_hwfn *p_hwfn, u32 rdma_tasks); 99fe56b9e6SYuval Mintz 100fe56b9e6SYuval Mintz /** 101fe56b9e6SYuval Mintz * @brief qed_cxt_cfg_ilt_compute - compute ILT init parameters 102fe56b9e6SYuval Mintz * 103fe56b9e6SYuval Mintz * @param p_hwfn 104f9dc4d1fSRam Amrani * @param last_line 105fe56b9e6SYuval Mintz * 106fe56b9e6SYuval Mintz * @return int 107fe56b9e6SYuval Mintz */ 108f9dc4d1fSRam Amrani int qed_cxt_cfg_ilt_compute(struct qed_hwfn *p_hwfn, u32 *last_line); 109f9dc4d1fSRam Amrani 110f9dc4d1fSRam Amrani /** 111f9dc4d1fSRam Amrani * @brief qed_cxt_cfg_ilt_compute_excess - how many lines can be decreased 112f9dc4d1fSRam Amrani * 113f9dc4d1fSRam Amrani * @param p_hwfn 114f9dc4d1fSRam Amrani * @param used_lines 115f9dc4d1fSRam Amrani */ 116f9dc4d1fSRam Amrani u32 qed_cxt_cfg_ilt_compute_excess(struct qed_hwfn *p_hwfn, u32 used_lines); 117fe56b9e6SYuval Mintz 118fe56b9e6SYuval Mintz /** 119fe56b9e6SYuval Mintz * @brief qed_cxt_mngr_alloc - Allocate and init the context manager struct 120fe56b9e6SYuval Mintz * 121fe56b9e6SYuval Mintz * @param p_hwfn 122fe56b9e6SYuval Mintz * 123fe56b9e6SYuval Mintz * @return int 124fe56b9e6SYuval Mintz */ 125fe56b9e6SYuval Mintz int qed_cxt_mngr_alloc(struct qed_hwfn *p_hwfn); 126fe56b9e6SYuval Mintz 127fe56b9e6SYuval Mintz /** 128fe56b9e6SYuval Mintz * @brief qed_cxt_mngr_free 129fe56b9e6SYuval Mintz * 130fe56b9e6SYuval Mintz * @param p_hwfn 131fe56b9e6SYuval Mintz */ 132fe56b9e6SYuval Mintz void qed_cxt_mngr_free(struct qed_hwfn *p_hwfn); 133fe56b9e6SYuval Mintz 134fe56b9e6SYuval Mintz /** 135fe56b9e6SYuval Mintz * @brief qed_cxt_tables_alloc - Allocate ILT shadow, Searcher T2, acquired map 136fe56b9e6SYuval Mintz * 137fe56b9e6SYuval Mintz * @param p_hwfn 138fe56b9e6SYuval Mintz * 139fe56b9e6SYuval Mintz * @return int 140fe56b9e6SYuval Mintz */ 141fe56b9e6SYuval Mintz int qed_cxt_tables_alloc(struct qed_hwfn *p_hwfn); 142fe56b9e6SYuval Mintz 143fe56b9e6SYuval Mintz /** 144fe56b9e6SYuval Mintz * @brief qed_cxt_mngr_setup - Reset the acquired CIDs 145fe56b9e6SYuval Mintz * 146fe56b9e6SYuval Mintz * @param p_hwfn 147fe56b9e6SYuval Mintz */ 148fe56b9e6SYuval Mintz void qed_cxt_mngr_setup(struct qed_hwfn *p_hwfn); 149fe56b9e6SYuval Mintz 150fe56b9e6SYuval Mintz /** 151fe56b9e6SYuval Mintz * @brief qed_cxt_hw_init_common - Initailze ILT and DQ, common phase, per path. 152fe56b9e6SYuval Mintz * 153fe56b9e6SYuval Mintz * 154fe56b9e6SYuval Mintz * 155fe56b9e6SYuval Mintz * @param p_hwfn 156fe56b9e6SYuval Mintz */ 157fe56b9e6SYuval Mintz void qed_cxt_hw_init_common(struct qed_hwfn *p_hwfn); 158fe56b9e6SYuval Mintz 159fe56b9e6SYuval Mintz /** 160fe56b9e6SYuval Mintz * @brief qed_cxt_hw_init_pf - Initailze ILT and DQ, PF phase, per path. 161fe56b9e6SYuval Mintz * 162fe56b9e6SYuval Mintz * @param p_hwfn 16315582962SRahul Verma * @param p_ptt 164fe56b9e6SYuval Mintz */ 16515582962SRahul Verma void qed_cxt_hw_init_pf(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt); 166fe56b9e6SYuval Mintz 167fe56b9e6SYuval Mintz /** 168fe56b9e6SYuval Mintz * @brief qed_qm_init_pf - Initailze the QM PF phase, per path 169fe56b9e6SYuval Mintz * 170fe56b9e6SYuval Mintz * @param p_hwfn 17115582962SRahul Verma * @param p_ptt 172fe56b9e6SYuval Mintz */ 17315582962SRahul Verma void qed_qm_init_pf(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt); 174fe56b9e6SYuval Mintz 175fe56b9e6SYuval Mintz /** 17639651abdSSudarsana Reddy Kalluru * @brief Reconfigures QM pf on the fly 17739651abdSSudarsana Reddy Kalluru * 17839651abdSSudarsana Reddy Kalluru * @param p_hwfn 17939651abdSSudarsana Reddy Kalluru * @param p_ptt 18039651abdSSudarsana Reddy Kalluru * 18139651abdSSudarsana Reddy Kalluru * @return int 18239651abdSSudarsana Reddy Kalluru */ 18339651abdSSudarsana Reddy Kalluru int qed_qm_reconf(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt); 18439651abdSSudarsana Reddy Kalluru 1856bea61daSMintz, Yuval #define QED_CXT_PF_CID (0xff) 1866bea61daSMintz, Yuval 18739651abdSSudarsana Reddy Kalluru /** 188fe56b9e6SYuval Mintz * @brief qed_cxt_release - Release a cid 189fe56b9e6SYuval Mintz * 190fe56b9e6SYuval Mintz * @param p_hwfn 191fe56b9e6SYuval Mintz * @param cid 192fe56b9e6SYuval Mintz */ 1936bea61daSMintz, Yuval void qed_cxt_release_cid(struct qed_hwfn *p_hwfn, u32 cid); 1946bea61daSMintz, Yuval 1956bea61daSMintz, Yuval /** 1966bea61daSMintz, Yuval * @brief qed_cxt_release - Release a cid belonging to a vf-queue 1976bea61daSMintz, Yuval * 1986bea61daSMintz, Yuval * @param p_hwfn 1996bea61daSMintz, Yuval * @param cid 2006bea61daSMintz, Yuval * @param vfid - engine relative index. QED_CXT_PF_CID if belongs to PF 2016bea61daSMintz, Yuval */ 2026bea61daSMintz, Yuval void _qed_cxt_release_cid(struct qed_hwfn *p_hwfn, u32 cid, u8 vfid); 2036bea61daSMintz, Yuval 2046bea61daSMintz, Yuval /** 2056bea61daSMintz, Yuval * @brief qed_cxt_acquire - Acquire a new cid of a specific protocol type 2066bea61daSMintz, Yuval * 2076bea61daSMintz, Yuval * @param p_hwfn 2086bea61daSMintz, Yuval * @param type 2096bea61daSMintz, Yuval * @param p_cid 2106bea61daSMintz, Yuval * 2116bea61daSMintz, Yuval * @return int 2126bea61daSMintz, Yuval */ 2136bea61daSMintz, Yuval int qed_cxt_acquire_cid(struct qed_hwfn *p_hwfn, 2146bea61daSMintz, Yuval enum protocol_type type, u32 *p_cid); 2156bea61daSMintz, Yuval 2166bea61daSMintz, Yuval /** 2176bea61daSMintz, Yuval * @brief _qed_cxt_acquire - Acquire a new cid of a specific protocol type 2186bea61daSMintz, Yuval * for a vf-queue 2196bea61daSMintz, Yuval * 2206bea61daSMintz, Yuval * @param p_hwfn 2216bea61daSMintz, Yuval * @param type 2226bea61daSMintz, Yuval * @param p_cid 2236bea61daSMintz, Yuval * @param vfid - engine relative index. QED_CXT_PF_CID if belongs to PF 2246bea61daSMintz, Yuval * 2256bea61daSMintz, Yuval * @return int 2266bea61daSMintz, Yuval */ 2276bea61daSMintz, Yuval int _qed_cxt_acquire_cid(struct qed_hwfn *p_hwfn, 2286bea61daSMintz, Yuval enum protocol_type type, u32 *p_cid, u8 vfid); 2296bea61daSMintz, Yuval 23051ff1725SRam Amrani int qed_cxt_dynamic_ilt_alloc(struct qed_hwfn *p_hwfn, 23151ff1725SRam Amrani enum qed_cxt_elem_type elem_type, u32 iid); 23251ff1725SRam Amrani u32 qed_cxt_get_proto_tid_count(struct qed_hwfn *p_hwfn, 23351ff1725SRam Amrani enum protocol_type type); 23451ff1725SRam Amrani u32 qed_cxt_get_proto_cid_start(struct qed_hwfn *p_hwfn, 23551ff1725SRam Amrani enum protocol_type type); 236f1093940SRam Amrani int qed_cxt_free_proto_ilt(struct qed_hwfn *p_hwfn, enum protocol_type proto); 237fe56b9e6SYuval Mintz 238dbb799c3SYuval Mintz #define QED_CTX_WORKING_MEM 0 239dbb799c3SYuval Mintz #define QED_CTX_FL_MEM 1 2401e128c81SArun Easi int qed_cxt_get_task_ctx(struct qed_hwfn *p_hwfn, 2411e128c81SArun Easi u32 tid, u8 ctx_type, void **task_ctx); 242fe56b9e6SYuval Mintz #endif 243