drivers/net/ethernet/qlogic/qed/qed_cxt.h

   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 /**
  55  * @brief qed_cxt_set_pf_params - Set the PF params for cxt init
  56  *
  57  * @param p_hwfn
  58  *
  59  * @return int
  60  */
  61 int qed_cxt_set_pf_params(struct qed_hwfn *p_hwfn);
  62
  63 /**
  64  * @brief qed_cxt_cfg_ilt_compute - compute ILT init parameters
  65  *
  66  * @param p_hwfn
  67  *
  68  * @return int
  69  */
  70 int qed_cxt_cfg_ilt_compute(struct qed_hwfn *p_hwfn);
  71
  72 /**
  73  * @brief qed_cxt_mngr_alloc - Allocate and init the context manager struct
  74  *
  75  * @param p_hwfn
  76  *
  77  * @return int
  78  */
  79 int qed_cxt_mngr_alloc(struct qed_hwfn *p_hwfn);
  80
  81 /**
  82  * @brief qed_cxt_mngr_free
  83  *
  84  * @param p_hwfn
  85  */
  86 void qed_cxt_mngr_free(struct qed_hwfn *p_hwfn);
  87
  88 /**
  89  * @brief qed_cxt_tables_alloc - Allocate ILT shadow, Searcher T2, acquired map
  90  *
  91  * @param p_hwfn
  92  *
  93  * @return int
  94  */
  95 int qed_cxt_tables_alloc(struct qed_hwfn *p_hwfn);
  96
  97 /**
  98  * @brief qed_cxt_mngr_setup - Reset the acquired CIDs
  99  *
 100  * @param p_hwfn
 101  */
 102 void qed_cxt_mngr_setup(struct qed_hwfn *p_hwfn);
 103
 104 /**
 105  * @brief qed_cxt_hw_init_common - Initailze ILT and DQ, common phase, per path.
 106  *
 107  *
 108  *
 109  * @param p_hwfn
 110  */
 111 void qed_cxt_hw_init_common(struct qed_hwfn *p_hwfn);
 112
 113 /**
 114  * @brief qed_cxt_hw_init_pf - Initailze ILT and DQ, PF phase, per path.
 115  *
 116  *
 117  *
 118  * @param p_hwfn
 119  */
 120 void qed_cxt_hw_init_pf(struct qed_hwfn *p_hwfn);
 121
 122 /**
 123  * @brief qed_qm_init_pf - Initailze the QM PF phase, per path
 124  *
 125  * @param p_hwfn
 126  */
 127
 128 void qed_qm_init_pf(struct qed_hwfn *p_hwfn);
 129
 130 /**
 131  * @brief qed_cxt_release - Release a cid
 132  *
 133  * @param p_hwfn
 134  * @param cid
 135  */
 136 void qed_cxt_release_cid(struct qed_hwfn *p_hwfn,
 137                          u32 cid);
 138
 139 #endif