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  */
 102 void ecore_cxt_hw_init_pf(struct ecore_hwfn *p_hwfn);
 103
 104 /**
 105  * @brief ecore_qm_init_pf - Initailze the QM PF phase, per path
 106  *
 107  * @param p_hwfn
 108  */
 109 void ecore_qm_init_pf(struct ecore_hwfn *p_hwfn);
 110
 111  /**
 112  * @brief Reconfigures QM pf on the fly
 113  *
 114  * @param p_hwfn
 115  * @param p_ptt
 116  *
 117  * @return enum _ecore_status_t
 118  */
 119 enum _ecore_status_t ecore_qm_reconf(struct ecore_hwfn *p_hwfn,
 120                                      struct ecore_ptt *p_ptt);
 121
 122 #define ECORE_CXT_PF_CID (0xff)
 123
 124 /**
 125  * @brief ecore_cxt_release - Release a cid
 126  *
 127  * @param p_hwfn
 128  * @param cid
 129  */
 130 void ecore_cxt_release_cid(struct ecore_hwfn *p_hwfn, u32 cid);
 131
 132 /**
 133  * @brief ecore_cxt_release - Release a cid belonging to a vf-queue
 134  *
 135  * @param p_hwfn
 136  * @param cid
 137  * @param vfid - engine relative index. ECORE_CXT_PF_CID if belongs to PF
 138  */
 139 void _ecore_cxt_release_cid(struct ecore_hwfn *p_hwfn,
 140                             u32 cid, u8 vfid);
 141
 142 /**
 143  * @brief ecore_cxt_acquire - Acquire a new cid of a specific protocol type
 144  *
 145  * @param p_hwfn
 146  * @param type
 147  * @param p_cid
 148  *
 149  * @return enum _ecore_status_t
 150  */
 151 enum _ecore_status_t ecore_cxt_acquire_cid(struct ecore_hwfn *p_hwfn,
 152                                            enum protocol_type type,
 153                                            u32 *p_cid);
 154
 155 /**
 156  * @brief _ecore_cxt_acquire - Acquire a new cid of a specific protocol type
 157  *                             for a vf-queue
 158  *
 159  * @param p_hwfn
 160  * @param type
 161  * @param p_cid
 162  * @param vfid - engine relative index. ECORE_CXT_PF_CID if belongs to PF
 163  *
 164  * @return enum _ecore_status_t
 165  */
 166 enum _ecore_status_t _ecore_cxt_acquire_cid(struct ecore_hwfn *p_hwfn,
 167                                             enum protocol_type type,
 168                                             u32 *p_cid, u8 vfid);
 169
 170 /**
 171  * @brief ecore_cxt_get_tid_mem_info - function checks if the
 172  *        page containing the iid in the ilt is already
 173  *        allocated, if it is not it allocates the page.
 174  *
 175  * @param p_hwfn
 176  * @param elem_type
 177  * @param iid
 178  *
 179  * @return enum _ecore_status_t
 180  */
 181 enum _ecore_status_t
 182 ecore_cxt_dynamic_ilt_alloc(struct ecore_hwfn *p_hwfn,
 183                             enum ecore_cxt_elem_type elem_type,
 184                             u32 iid);
 185
 186 /**
 187  * @brief ecore_cxt_free_proto_ilt - function frees ilt pages
 188  *        associated with the protocol passed.
 189  *
 190  * @param p_hwfn
 191  * @param proto
 192  *
 193  * @return enum _ecore_status_t
 194  */
 195 enum _ecore_status_t ecore_cxt_free_proto_ilt(struct ecore_hwfn *p_hwfn,
 196                                               enum protocol_type proto);
 197
 198 #define ECORE_CTX_WORKING_MEM 0
 199 #define ECORE_CTX_FL_MEM 1
 200
 201 #endif /* _ECORE_CID_ */