drivers/net/bnxt/tf_core/tf_msg.c

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2019-2020 Broadcom
   3  * All rights reserved.
   4  */
   5
   6 #include <inttypes.h>
   7 #include <stdbool.h>
   8 #include <stdlib.h>
   9
  10 #include "bnxt.h"
  11 #include "tf_core.h"
  12 #include "tf_session.h"
  13 #include "tfp.h"
  14
  15 #include "tf_msg_common.h"
  16 #include "tf_msg.h"
  17 #include "hsi_struct_def_dpdk.h"
  18 #include "hwrm_tf.h"
  19
  20 /**
  21  * Sends session open request to TF Firmware
  22  */
  23 int
  24 tf_msg_session_open(struct tf *tfp,
  25                     char *ctrl_chan_name,
  26                     uint8_t *fw_session_id)
  27 {
  28         int rc;
  29         struct hwrm_tf_session_open_input req = { 0 };
  30         struct hwrm_tf_session_open_output resp = { 0 };
  31         struct tfp_send_msg_parms parms = { 0 };
  32
  33         /* Populate the request */
  34         memcpy(&req.session_name, ctrl_chan_name, TF_SESSION_NAME_MAX);
  35
  36         parms.tf_type = HWRM_TF_SESSION_OPEN;
  37         parms.req_data = (uint32_t *)&req;
  38         parms.req_size = sizeof(req);
  39         parms.resp_data = (uint32_t *)&resp;
  40         parms.resp_size = sizeof(resp);
  41         parms.mailbox = TF_KONG_MB;
  42
  43         rc = tfp_send_msg_direct(tfp,
  44                                  &parms);
  45         if (rc)
  46                 return rc;
  47
  48         *fw_session_id = resp.fw_session_id;
  49
  50         return rc;
  51 }
  52
  53 /**
  54  * Sends session query config request to TF Firmware
  55  */
  56 int
  57 tf_msg_session_qcfg(struct tf *tfp)
  58 {
  59         int rc;
  60         struct hwrm_tf_session_qcfg_input  req = { 0 };
  61         struct hwrm_tf_session_qcfg_output resp = { 0 };
  62         struct tf_session *tfs = (struct tf_session *)(tfp->session->core_data);
  63         struct tfp_send_msg_parms parms = { 0 };
  64
  65         /* Populate the request */
  66         req.fw_session_id =
  67                 tfp_cpu_to_le_32(tfs->session_id.internal.fw_session_id);
  68
  69         parms.tf_type = HWRM_TF_SESSION_QCFG,
  70         parms.req_data = (uint32_t *)&req;
  71         parms.req_size = sizeof(req);
  72         parms.resp_data = (uint32_t *)&resp;
  73         parms.resp_size = sizeof(resp);
  74         parms.mailbox = TF_KONG_MB;
  75
  76         rc = tfp_send_msg_direct(tfp,
  77                                  &parms);
  78         return rc;
  79 }