drivers/net/qede/base/ecore_cxt.h

   1 /*
   2  * Copyright (c) 2016 QLogic Corporation.
   3  * All rights reserved.
   4  * www.qlogic.com
   5  *
   6  * See LICENSE.qede_pmd for copyright and licensing details.
   7  */
   8
   9 #ifndef _ECORE_CID_
  10 #define _ECORE_CID_
  11
  12 #include "ecore_hsi_common.h"
  13 #include "ecore_proto_if.h"
  14 #include "ecore_cxt_api.h"
  15
  16 /* Tasks segments definitions  */
  17 #define ECORE_CXT_ISCSI_TID_SEG                 PROTOCOLID_ISCSI        /* 0 */
  18 #define ECORE_CXT_FCOE_TID_SEG                  PROTOCOLID_FCOE         /* 1 */
  19 #define ECORE_CXT_ROCE_TID_SEG                  PROTOCOLID_ROCE         /* 2 */
  20
  21 enum ecore_cxt_elem_type {
  22         ECORE_ELEM_CXT,
  23         ECORE_ELEM_SRQ,
  24         ECORE_ELEM_TASK
  25 };
  26
  27 u32 ecore_cxt_get_proto_cid_count(struct ecore_hwfn *p_hwfn,
  28                                   enum protocol_type type,
  29                                   u32 *vf_cid);
  30
  31 u32 ecore_cxt_get_proto_tid_count(struct ecore_hwfn *p_hwfn,
  32                                   enum protocol_type type);
  33
  34 u32 ecore_cxt_get_proto_cid_start(struct ecore_hwfn *p_hwfn,
  35                                   enum protocol_type type);
  36 u32 ecore_cxt_get_srq_count(struct ecore_hwfn *p_hwfn);
  37
  38 /**
  39  * @brief ecore_cxt_set_pf_params - Set the PF params for cxt init
  40  *
  41  * @param p_hwfn
  42  *
  43  * @return enum _ecore_status_t
  44  */
  45 enum _ecore_status_t ecore_cxt_set_pf_params(struct ecore_hwfn *p_hwfn);
  46
  47 /**
  48  * @brief ecore_cxt_cfg_ilt_compute - compute ILT init parameters
  49  *
  50  * @param p_hwfn
  51  *
  52  * @return enum _ecore_status_t
  53  */
  54 enum _ecore_status_t ecore_cxt_cfg_ilt_compute(struct ecore_hwfn *p_hwfn);
  55
  56 /**
  57  * @brief ecore_cxt_mngr_alloc - Allocate and init the context manager struct
  58  *
  59  * @param p_hwfn
  60  *
  61  * @return enum _ecore_status_t
  62  */
  63 enum _ecore_status_t ecore_cxt_mngr_alloc(struct ecore_hwfn *p_hwfn);
  64
  65 /**
  66  * @brief ecore_cxt_mngr_free
  67  *
  68  * @param p_hwfn
  69  */
  70 void ecore_cxt_mngr_free(struct ecore_hwfn *p_hwfn);
  71
  72 /**
  73  * @brief ecore_cxt_tables_alloc - Allocate ILT shadow, Searcher T2, acquired
  74  *        map
  75  *
  76  * @param p_hwfn
  77  *
  78  * @return enum _ecore_status_t
  79  */
  80 enum _ecore_status_t ecore_cxt_tables_alloc(struct ecore_hwfn *p_hwfn);
  81
  82 /**
  83  * @brief ecore_cxt_mngr_setup - Reset the acquired CIDs
  84  *
  85  * @param p_hwfn
  86  */
  87 void ecore_cxt_mngr_setup(struct ecore_hwfn *p_hwfn);
  88
  89 /**
  90  * @brief ecore_cxt_hw_init_common - Initailze ILT and DQ, common phase, per
  91  *        path.
  92  *
  93  * @param p_hwfn
  94  */
  95 void ecore_cxt_hw_init_common(struct ecore_hwfn *p_hwfn);
  96
  97 /**
  98  * @brief ecore_cxt_hw_init_pf - Initailze ILT and DQ, PF phase, per path.
  99  *
 100  * @param p_hwfn
 101  * @param p_ptt
 102  */
 103 void ecore_cxt_hw_init_pf(struct ecore_hwfn *p_hwfn, struct ecore_ptt *p_ptt);
 104
 105 /**
 106  * @brief ecore_qm_init_pf - Initailze the QM PF phase, per path
 107  *
 108  * @param p_hwfn
 109  * @param p_ptt
 110  * @param is_pf_loading
 111  */
 112 void ecore_qm_init_pf(struct ecore_hwfn *p_hwfn, struct ecore_ptt *p_ptt,
 113                       bool is_pf_loading);
 114
 115  /**
 116  * @brief Reconfigures QM pf on the fly
 117  *
 118  * @param p_hwfn
 119  * @param p_ptt
 120  *
 121  * @return enum _ecore_status_t
 122  */
 123 enum _ecore_status_t ecore_qm_reconf(struct ecore_hwfn *p_hwfn,
 124                                      struct ecore_ptt *p_ptt);
 125
 126 #define ECORE_CXT_PF_CID (0xff)
 127
 128 /**
 129  * @brief ecore_cxt_release - Release a cid
 130  *
 131  * @param p_hwfn
 132  * @param cid
 133  */
 134 void ecore_cxt_release_cid(struct ecore_hwfn *p_hwfn, u32 cid);
 135
 136 /**
 137  * @brief ecore_cxt_release - Release a cid belonging to a vf-queue
 138  *
 139  * @param p_hwfn
 140  * @param cid
 141  * @param vfid - engine relative index. ECORE_CXT_PF_CID if belongs to PF
 142  */
 143 void _ecore_cxt_release_cid(struct ecore_hwfn *p_hwfn,
 144                             u32 cid, u8 vfid);
 145
 146 /**
 147  * @brief ecore_cxt_acquire - Acquire a new cid of a specific protocol type
 148  *
 149  * @param p_hwfn
 150  * @param type
 151  * @param p_cid
 152  *
 153  * @return enum _ecore_status_t
 154  */
 155 enum _ecore_status_t ecore_cxt_acquire_cid(struct ecore_hwfn *p_hwfn,
 156                                            enum protocol_type type,
 157                                            u32 *p_cid);
 158
 159 /**
 160  * @brief _ecore_cxt_acquire - Acquire a new cid of a specific protocol type
 161  *                             for a vf-queue
 162  *
 163  * @param p_hwfn
 164  * @param type
 165  * @param p_cid
 166  * @param vfid - engine relative index. ECORE_CXT_PF_CID if belongs to PF
 167  *
 168  * @return enum _ecore_status_t
 169  */
 170 enum _ecore_status_t _ecore_cxt_acquire_cid(struct ecore_hwfn *p_hwfn,
 171                                             enum protocol_type type,
 172                                             u32 *p_cid, u8 vfid);
 173
 174 /**
 175  * @brief ecore_cxt_get_tid_mem_info - function checks if the
 176  *        page containing the iid in the ilt is already
 177  *        allocated, if it is not it allocates the page.
 178  *
 179  * @param p_hwfn
 180  * @param elem_type
 181  * @param iid
 182  *
 183  * @return enum _ecore_status_t
 184  */
 185 enum _ecore_status_t
 186 ecore_cxt_dynamic_ilt_alloc(struct ecore_hwfn *p_hwfn,
 187                             enum ecore_cxt_elem_type elem_type,
 188                             u32 iid);
 189
 190 /**
 191  * @brief ecore_cxt_free_proto_ilt - function frees ilt pages
 192  *        associated with the protocol passed.
 193  *
 194  * @param p_hwfn
 195  * @param proto
 196  *
 197  * @return enum _ecore_status_t
 198  */
 199 enum _ecore_status_t ecore_cxt_free_proto_ilt(struct ecore_hwfn *p_hwfn,
 200                                               enum protocol_type proto);
 201
 202 #define ECORE_CTX_WORKING_MEM 0
 203 #define ECORE_CTX_FL_MEM 1
 204
 205 #endif /* _ECORE_CID_ */