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 qed_cxt_acquire - Acquire a new cid of a specific protocol type 58fe56b9e6SYuval Mintz * 59fe56b9e6SYuval Mintz * @param p_hwfn 60fe56b9e6SYuval Mintz * @param type 61fe56b9e6SYuval Mintz * @param p_cid 62fe56b9e6SYuval Mintz * 63fe56b9e6SYuval Mintz * @return int 64fe56b9e6SYuval Mintz */ 65fe56b9e6SYuval Mintz int qed_cxt_acquire_cid(struct qed_hwfn *p_hwfn, 66fe56b9e6SYuval Mintz enum protocol_type type, 67fe56b9e6SYuval Mintz u32 *p_cid); 68fe56b9e6SYuval Mintz 69fe56b9e6SYuval Mintz /** 70fe56b9e6SYuval Mintz * @brief qedo_cid_get_cxt_info - Returns the context info for a specific cid 71fe56b9e6SYuval Mintz * 72fe56b9e6SYuval Mintz * 73fe56b9e6SYuval Mintz * @param p_hwfn 74fe56b9e6SYuval Mintz * @param p_info in/out 75fe56b9e6SYuval Mintz * 76fe56b9e6SYuval Mintz * @return int 77fe56b9e6SYuval Mintz */ 78fe56b9e6SYuval Mintz int qed_cxt_get_cid_info(struct qed_hwfn *p_hwfn, 79fe56b9e6SYuval Mintz struct qed_cxt_info *p_info); 80fe56b9e6SYuval Mintz 81dbb799c3SYuval Mintz /** 82dbb799c3SYuval Mintz * @brief qed_cxt_get_tid_mem_info 83dbb799c3SYuval Mintz * 84dbb799c3SYuval Mintz * @param p_hwfn 85dbb799c3SYuval Mintz * @param p_info 86dbb799c3SYuval Mintz * 87dbb799c3SYuval Mintz * @return int 88dbb799c3SYuval Mintz */ 89dbb799c3SYuval Mintz int qed_cxt_get_tid_mem_info(struct qed_hwfn *p_hwfn, 90dbb799c3SYuval Mintz struct qed_tid_mem *p_info); 91dbb799c3SYuval Mintz 92dbb799c3SYuval Mintz #define QED_CXT_ISCSI_TID_SEG PROTOCOLID_ISCSI 93dbb799c3SYuval Mintz #define QED_CXT_ROCE_TID_SEG PROTOCOLID_ROCE 941e128c81SArun Easi #define QED_CXT_FCOE_TID_SEG PROTOCOLID_FCOE 95fe56b9e6SYuval Mintz enum qed_cxt_elem_type { 96fe56b9e6SYuval Mintz QED_ELEM_CXT, 97dbb799c3SYuval Mintz QED_ELEM_SRQ, 98fe56b9e6SYuval Mintz QED_ELEM_TASK 99fe56b9e6SYuval Mintz }; 100fe56b9e6SYuval Mintz 1011408cc1fSYuval Mintz u32 qed_cxt_get_proto_cid_count(struct qed_hwfn *p_hwfn, 1021408cc1fSYuval Mintz enum protocol_type type, u32 *vf_cid); 1031408cc1fSYuval Mintz 104fe56b9e6SYuval Mintz /** 105fe56b9e6SYuval Mintz * @brief qed_cxt_set_pf_params - Set the PF params for cxt init 106fe56b9e6SYuval Mintz * 107fe56b9e6SYuval Mintz * @param p_hwfn 108f9dc4d1fSRam Amrani * @param rdma_tasks - requested maximum 109fe56b9e6SYuval Mintz * @return int 110fe56b9e6SYuval Mintz */ 111f9dc4d1fSRam Amrani int qed_cxt_set_pf_params(struct qed_hwfn *p_hwfn, u32 rdma_tasks); 112fe56b9e6SYuval Mintz 113fe56b9e6SYuval Mintz /** 114fe56b9e6SYuval Mintz * @brief qed_cxt_cfg_ilt_compute - compute ILT init parameters 115fe56b9e6SYuval Mintz * 116fe56b9e6SYuval Mintz * @param p_hwfn 117f9dc4d1fSRam Amrani * @param last_line 118fe56b9e6SYuval Mintz * 119fe56b9e6SYuval Mintz * @return int 120fe56b9e6SYuval Mintz */ 121f9dc4d1fSRam Amrani int qed_cxt_cfg_ilt_compute(struct qed_hwfn *p_hwfn, u32 *last_line); 122f9dc4d1fSRam Amrani 123f9dc4d1fSRam Amrani /** 124f9dc4d1fSRam Amrani * @brief qed_cxt_cfg_ilt_compute_excess - how many lines can be decreased 125f9dc4d1fSRam Amrani * 126f9dc4d1fSRam Amrani * @param p_hwfn 127f9dc4d1fSRam Amrani * @param used_lines 128f9dc4d1fSRam Amrani */ 129f9dc4d1fSRam Amrani u32 qed_cxt_cfg_ilt_compute_excess(struct qed_hwfn *p_hwfn, u32 used_lines); 130fe56b9e6SYuval Mintz 131fe56b9e6SYuval Mintz /** 132fe56b9e6SYuval Mintz * @brief qed_cxt_mngr_alloc - Allocate and init the context manager struct 133fe56b9e6SYuval Mintz * 134fe56b9e6SYuval Mintz * @param p_hwfn 135fe56b9e6SYuval Mintz * 136fe56b9e6SYuval Mintz * @return int 137fe56b9e6SYuval Mintz */ 138fe56b9e6SYuval Mintz int qed_cxt_mngr_alloc(struct qed_hwfn *p_hwfn); 139fe56b9e6SYuval Mintz 140fe56b9e6SYuval Mintz /** 141fe56b9e6SYuval Mintz * @brief qed_cxt_mngr_free 142fe56b9e6SYuval Mintz * 143fe56b9e6SYuval Mintz * @param p_hwfn 144fe56b9e6SYuval Mintz */ 145fe56b9e6SYuval Mintz void qed_cxt_mngr_free(struct qed_hwfn *p_hwfn); 146fe56b9e6SYuval Mintz 147fe56b9e6SYuval Mintz /** 148fe56b9e6SYuval Mintz * @brief qed_cxt_tables_alloc - Allocate ILT shadow, Searcher T2, acquired map 149fe56b9e6SYuval Mintz * 150fe56b9e6SYuval Mintz * @param p_hwfn 151fe56b9e6SYuval Mintz * 152fe56b9e6SYuval Mintz * @return int 153fe56b9e6SYuval Mintz */ 154fe56b9e6SYuval Mintz int qed_cxt_tables_alloc(struct qed_hwfn *p_hwfn); 155fe56b9e6SYuval Mintz 156fe56b9e6SYuval Mintz /** 157fe56b9e6SYuval Mintz * @brief qed_cxt_mngr_setup - Reset the acquired CIDs 158fe56b9e6SYuval Mintz * 159fe56b9e6SYuval Mintz * @param p_hwfn 160fe56b9e6SYuval Mintz */ 161fe56b9e6SYuval Mintz void qed_cxt_mngr_setup(struct qed_hwfn *p_hwfn); 162fe56b9e6SYuval Mintz 163fe56b9e6SYuval Mintz /** 164fe56b9e6SYuval Mintz * @brief qed_cxt_hw_init_common - Initailze ILT and DQ, common phase, per path. 165fe56b9e6SYuval Mintz * 166fe56b9e6SYuval Mintz * 167fe56b9e6SYuval Mintz * 168fe56b9e6SYuval Mintz * @param p_hwfn 169fe56b9e6SYuval Mintz */ 170fe56b9e6SYuval Mintz void qed_cxt_hw_init_common(struct qed_hwfn *p_hwfn); 171fe56b9e6SYuval Mintz 172fe56b9e6SYuval Mintz /** 173fe56b9e6SYuval Mintz * @brief qed_cxt_hw_init_pf - Initailze ILT and DQ, PF phase, per path. 174fe56b9e6SYuval Mintz * 175fe56b9e6SYuval Mintz * 176fe56b9e6SYuval Mintz * 177fe56b9e6SYuval Mintz * @param p_hwfn 178fe56b9e6SYuval Mintz */ 179fe56b9e6SYuval Mintz void qed_cxt_hw_init_pf(struct qed_hwfn *p_hwfn); 180fe56b9e6SYuval Mintz 181fe56b9e6SYuval Mintz /** 182fe56b9e6SYuval Mintz * @brief qed_qm_init_pf - Initailze the QM PF phase, per path 183fe56b9e6SYuval Mintz * 184fe56b9e6SYuval Mintz * @param p_hwfn 185fe56b9e6SYuval Mintz */ 186fe56b9e6SYuval Mintz 187fe56b9e6SYuval Mintz void qed_qm_init_pf(struct qed_hwfn *p_hwfn); 188fe56b9e6SYuval Mintz 189fe56b9e6SYuval Mintz /** 19039651abdSSudarsana Reddy Kalluru * @brief Reconfigures QM pf on the fly 19139651abdSSudarsana Reddy Kalluru * 19239651abdSSudarsana Reddy Kalluru * @param p_hwfn 19339651abdSSudarsana Reddy Kalluru * @param p_ptt 19439651abdSSudarsana Reddy Kalluru * 19539651abdSSudarsana Reddy Kalluru * @return int 19639651abdSSudarsana Reddy Kalluru */ 19739651abdSSudarsana Reddy Kalluru int qed_qm_reconf(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt); 19839651abdSSudarsana Reddy Kalluru 19939651abdSSudarsana Reddy Kalluru /** 200fe56b9e6SYuval Mintz * @brief qed_cxt_release - Release a cid 201fe56b9e6SYuval Mintz * 202fe56b9e6SYuval Mintz * @param p_hwfn 203fe56b9e6SYuval Mintz * @param cid 204fe56b9e6SYuval Mintz */ 205fe56b9e6SYuval Mintz void qed_cxt_release_cid(struct qed_hwfn *p_hwfn, 206fe56b9e6SYuval Mintz u32 cid); 20751ff1725SRam Amrani int qed_cxt_dynamic_ilt_alloc(struct qed_hwfn *p_hwfn, 20851ff1725SRam Amrani enum qed_cxt_elem_type elem_type, u32 iid); 20951ff1725SRam Amrani u32 qed_cxt_get_proto_tid_count(struct qed_hwfn *p_hwfn, 21051ff1725SRam Amrani enum protocol_type type); 21151ff1725SRam Amrani u32 qed_cxt_get_proto_cid_start(struct qed_hwfn *p_hwfn, 21251ff1725SRam Amrani enum protocol_type type); 213f1093940SRam Amrani int qed_cxt_free_proto_ilt(struct qed_hwfn *p_hwfn, enum protocol_type proto); 214fe56b9e6SYuval Mintz 215dbb799c3SYuval Mintz #define QED_CTX_WORKING_MEM 0 216dbb799c3SYuval Mintz #define QED_CTX_FL_MEM 1 2171e128c81SArun Easi int qed_cxt_get_task_ctx(struct qed_hwfn *p_hwfn, 2181e128c81SArun Easi u32 tid, u8 ctx_type, void **task_ctx); 219fe56b9e6SYuval Mintz #endif 220