1 /* QLogic qed NIC Driver 2 * Copyright (c) 2015 QLogic Corporation 3 * 4 * This software is available under the terms of the GNU General Public License 5 * (GPL) Version 2, available from the file COPYING in the main directory of 6 * this source tree. 7 */ 8 9 #ifndef _QED_CXT_H 10 #define _QED_CXT_H 11 12 #include <linux/types.h> 13 #include <linux/slab.h> 14 #include <linux/qed/qed_if.h> 15 #include "qed_hsi.h" 16 #include "qed.h" 17 18 struct qed_cxt_info { 19 void *p_cxt; 20 u32 iid; 21 enum protocol_type type; 22 }; 23 24 /** 25 * @brief qed_cxt_acquire - Acquire a new cid of a specific protocol type 26 * 27 * @param p_hwfn 28 * @param type 29 * @param p_cid 30 * 31 * @return int 32 */ 33 int qed_cxt_acquire_cid(struct qed_hwfn *p_hwfn, 34 enum protocol_type type, 35 u32 *p_cid); 36 37 /** 38 * @brief qedo_cid_get_cxt_info - Returns the context info for a specific cid 39 * 40 * 41 * @param p_hwfn 42 * @param p_info in/out 43 * 44 * @return int 45 */ 46 int qed_cxt_get_cid_info(struct qed_hwfn *p_hwfn, 47 struct qed_cxt_info *p_info); 48 49 enum qed_cxt_elem_type { 50 QED_ELEM_CXT, 51 QED_ELEM_TASK 52 }; 53 54 u32 qed_cxt_get_proto_cid_count(struct qed_hwfn *p_hwfn, 55 enum protocol_type type, u32 *vf_cid); 56 57 /** 58 * @brief qed_cxt_set_pf_params - Set the PF params for cxt init 59 * 60 * @param p_hwfn 61 * 62 * @return int 63 */ 64 int qed_cxt_set_pf_params(struct qed_hwfn *p_hwfn); 65 66 /** 67 * @brief qed_cxt_cfg_ilt_compute - compute ILT init parameters 68 * 69 * @param p_hwfn 70 * 71 * @return int 72 */ 73 int qed_cxt_cfg_ilt_compute(struct qed_hwfn *p_hwfn); 74 75 /** 76 * @brief qed_cxt_mngr_alloc - Allocate and init the context manager struct 77 * 78 * @param p_hwfn 79 * 80 * @return int 81 */ 82 int qed_cxt_mngr_alloc(struct qed_hwfn *p_hwfn); 83 84 /** 85 * @brief qed_cxt_mngr_free 86 * 87 * @param p_hwfn 88 */ 89 void qed_cxt_mngr_free(struct qed_hwfn *p_hwfn); 90 91 /** 92 * @brief qed_cxt_tables_alloc - Allocate ILT shadow, Searcher T2, acquired map 93 * 94 * @param p_hwfn 95 * 96 * @return int 97 */ 98 int qed_cxt_tables_alloc(struct qed_hwfn *p_hwfn); 99 100 /** 101 * @brief qed_cxt_mngr_setup - Reset the acquired CIDs 102 * 103 * @param p_hwfn 104 */ 105 void qed_cxt_mngr_setup(struct qed_hwfn *p_hwfn); 106 107 /** 108 * @brief qed_cxt_hw_init_common - Initailze ILT and DQ, common phase, per path. 109 * 110 * 111 * 112 * @param p_hwfn 113 */ 114 void qed_cxt_hw_init_common(struct qed_hwfn *p_hwfn); 115 116 /** 117 * @brief qed_cxt_hw_init_pf - Initailze ILT and DQ, PF phase, per path. 118 * 119 * 120 * 121 * @param p_hwfn 122 */ 123 void qed_cxt_hw_init_pf(struct qed_hwfn *p_hwfn); 124 125 /** 126 * @brief qed_qm_init_pf - Initailze the QM PF phase, per path 127 * 128 * @param p_hwfn 129 */ 130 131 void qed_qm_init_pf(struct qed_hwfn *p_hwfn); 132 133 /** 134 * @brief Reconfigures QM pf on the fly 135 * 136 * @param p_hwfn 137 * @param p_ptt 138 * 139 * @return int 140 */ 141 int qed_qm_reconf(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt); 142 143 /** 144 * @brief qed_cxt_release - Release a cid 145 * 146 * @param p_hwfn 147 * @param cid 148 */ 149 void qed_cxt_release_cid(struct qed_hwfn *p_hwfn, 150 u32 cid); 151 152 #endif 153