drivers/net/qede/base/ecore_cxt.h

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright (c) 2016 - 2018 Cavium Inc.
   3  * All rights reserved.
   4  * www.cavium.com
   5  */
   6
   7 #ifndef _ECORE_CID_
   8 #define _ECORE_CID_
   9
  10 #include "ecore_hsi_common.h"
  11 #include "ecore_proto_if.h"
  12 #include "ecore_cxt_api.h"
  13
  14 /* Tasks segments definitions  */
  15 #define ECORE_CXT_ISCSI_TID_SEG                 PROTOCOLID_ISCSI        /* 0 */
  16 #define ECORE_CXT_FCOE_TID_SEG                  PROTOCOLID_FCOE         /* 1 */
  17 #define ECORE_CXT_ROCE_TID_SEG                  PROTOCOLID_ROCE         /* 2 */
  18
  19 enum ecore_cxt_elem_type {
  20         ECORE_ELEM_CXT,
  21         ECORE_ELEM_SRQ,
  22         ECORE_ELEM_TASK
  23 };
  24
  25 u32 ecore_cxt_get_proto_cid_count(struct ecore_hwfn *p_hwfn,
  26                                   enum protocol_type type,
  27                                   u32 *vf_cid);
  28
  29 u32 ecore_cxt_get_proto_tid_count(struct ecore_hwfn *p_hwfn,
  30                                   enum protocol_type type);
  31
  32 u32 ecore_cxt_get_proto_cid_start(struct ecore_hwfn *p_hwfn,
  33                                   enum protocol_type type);
  34 u32 ecore_cxt_get_srq_count(struct ecore_hwfn *p_hwfn);
  35
  36 /**
  37  * @brief ecore_cxt_set_pf_params - Set the PF params for cxt init
  38  *
  39  * @param p_hwfn
  40  *
  41  * @return enum _ecore_status_t
  42  */
  43 enum _ecore_status_t ecore_cxt_set_pf_params(struct ecore_hwfn *p_hwfn);
  44
  45 /**
  46  * @brief ecore_cxt_cfg_ilt_compute - compute ILT init parameters
  47  *
  48  * @param p_hwfn
  49  *
  50  * @return enum _ecore_status_t
  51  */
  52 enum _ecore_status_t ecore_cxt_cfg_ilt_compute(struct ecore_hwfn *p_hwfn);
  53
  54 /**
  55  * @brief ecore_cxt_mngr_alloc - Allocate and init the context manager struct
  56  *
  57  * @param p_hwfn
  58  *
  59  * @return enum _ecore_status_t
  60  */
  61 enum _ecore_status_t ecore_cxt_mngr_alloc(struct ecore_hwfn *p_hwfn);
  62
  63 /**
  64  * @brief ecore_cxt_mngr_free
  65  *
  66  * @param p_hwfn
  67  */
  68 void ecore_cxt_mngr_free(struct ecore_hwfn *p_hwfn);
  69
  70 /**
  71  * @brief ecore_cxt_tables_alloc - Allocate ILT shadow, Searcher T2, acquired
  72  *        map
  73  *
  74  * @param p_hwfn
  75  *
  76  * @return enum _ecore_status_t
  77  */
  78 enum _ecore_status_t ecore_cxt_tables_alloc(struct ecore_hwfn *p_hwfn);
  79
  80 /**
  81  * @brief ecore_cxt_mngr_setup - Reset the acquired CIDs
  82  *
  83  * @param p_hwfn
  84  */
  85 void ecore_cxt_mngr_setup(struct ecore_hwfn *p_hwfn);
  86
  87 /**
  88  * @brief ecore_cxt_hw_init_common - Initailze ILT and DQ, common phase, per
  89  *        path.
  90  *
  91  * @param p_hwfn
  92  */
  93 void ecore_cxt_hw_init_common(struct ecore_hwfn *p_hwfn);
  94
  95 /**
  96  * @brief ecore_cxt_hw_init_pf - Initailze ILT and DQ, PF phase, per path.
  97  *
  98  * @param p_hwfn
  99  * @param p_ptt
 100  */
 101 void ecore_cxt_hw_init_pf(struct ecore_hwfn *p_hwfn, struct ecore_ptt *p_ptt);
 102
 103 /**
 104  * @brief ecore_qm_init_pf - Initailze the QM PF phase, per path
 105  *
 106  * @param p_hwfn
 107  * @param p_ptt
 108  * @param is_pf_loading
 109  */
 110 void ecore_qm_init_pf(struct ecore_hwfn *p_hwfn, struct ecore_ptt *p_ptt,
 111                       bool is_pf_loading);
 112
 113  /**
 114  * @brief Reconfigures QM pf on the fly
 115  *
 116  * @param p_hwfn
 117  * @param p_ptt
 118  *
 119  * @return enum _ecore_status_t
 120  */
 121 enum _ecore_status_t ecore_qm_reconf(struct ecore_hwfn *p_hwfn,
 122                                      struct ecore_ptt *p_ptt);
 123
 124 #define ECORE_CXT_PF_CID (0xff)
 125
 126 /**
 127  * @brief ecore_cxt_release - Release a cid
 128  *
 129  * @param p_hwfn
 130  * @param cid
 131  */
 132 void ecore_cxt_release_cid(struct ecore_hwfn *p_hwfn, u32 cid);
 133
 134 /**
 135  * @brief ecore_cxt_release - Release a cid belonging to a vf-queue
 136  *
 137  * @param p_hwfn
 138  * @param cid
 139  * @param vfid - engine relative index. ECORE_CXT_PF_CID if belongs to PF
 140  */
 141 void _ecore_cxt_release_cid(struct ecore_hwfn *p_hwfn,
 142                             u32 cid, u8 vfid);
 143
 144 /**
 145  * @brief ecore_cxt_acquire - Acquire a new cid of a specific protocol type
 146  *
 147  * @param p_hwfn
 148  * @param type
 149  * @param p_cid
 150  *
 151  * @return enum _ecore_status_t
 152  */
 153 enum _ecore_status_t ecore_cxt_acquire_cid(struct ecore_hwfn *p_hwfn,
 154                                            enum protocol_type type,
 155                                            u32 *p_cid);
 156
 157 /**
 158  * @brief _ecore_cxt_acquire - Acquire a new cid of a specific protocol type
 159  *                             for a vf-queue
 160  *
 161  * @param p_hwfn
 162  * @param type
 163  * @param p_cid
 164  * @param vfid - engine relative index. ECORE_CXT_PF_CID if belongs to PF
 165  *
 166  * @return enum _ecore_status_t
 167  */
 168 enum _ecore_status_t _ecore_cxt_acquire_cid(struct ecore_hwfn *p_hwfn,
 169                                             enum protocol_type type,
 170                                             u32 *p_cid, u8 vfid);
 171
 172 /**
 173  * @brief ecore_cxt_get_tid_mem_info - function checks if the
 174  *        page containing the iid in the ilt is already
 175  *        allocated, if it is not it allocates the page.
 176  *
 177  * @param p_hwfn
 178  * @param elem_type
 179  * @param iid
 180  *
 181  * @return enum _ecore_status_t
 182  */
 183 enum _ecore_status_t
 184 ecore_cxt_dynamic_ilt_alloc(struct ecore_hwfn *p_hwfn,
 185                             enum ecore_cxt_elem_type elem_type,
 186                             u32 iid);
 187
 188 /**
 189  * @brief ecore_cxt_free_proto_ilt - function frees ilt pages
 190  *        associated with the protocol passed.
 191  *
 192  * @param p_hwfn
 193  * @param proto
 194  *
 195  * @return enum _ecore_status_t
 196  */
 197 enum _ecore_status_t ecore_cxt_free_proto_ilt(struct ecore_hwfn *p_hwfn,
 198                                               enum protocol_type proto);
 199
 200 #define ECORE_CTX_WORKING_MEM 0
 201 #define ECORE_CTX_FL_MEM 1
 202
 203 #endif /* _ECORE_CID_ */