drivers/net/hinic/base/hinic_pmd_cfg.c

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2017 Huawei Technologies Co., Ltd
   3  */
   4
   5 #include "hinic_compat.h"
   6 #include "hinic_pmd_hwdev.h"
   7 #include "hinic_pmd_hwif.h"
   8 #include "hinic_pmd_mgmt.h"
   9 #include "hinic_pmd_eqs.h"
  10 #include "hinic_pmd_cfg.h"
  11
  12 bool hinic_support_nic(struct hinic_hwdev *hwdev, struct nic_service_cap *cap)
  13 {
  14         if (!IS_NIC_TYPE(hwdev))
  15                 return false;
  16
  17         if (cap)
  18                 memcpy(cap, &hwdev->cfg_mgmt->svc_cap.nic_cap, sizeof(*cap));
  19
  20         return true;
  21 }
  22
  23 static void hinic_parse_shared_res_cap(struct service_cap *cap,
  24                                         struct hinic_dev_cap *dev_cap,
  25                                         __rte_unused enum func_type type)
  26 {
  27         struct host_shared_resource_cap *shared_cap = &cap->shared_res_cap;
  28
  29         shared_cap->host_pctxs = dev_cap->host_pctx_num;
  30
  31         if (dev_cap->host_sf_en)
  32                 cap->sf_en = true;
  33         else
  34                 cap->sf_en = false;
  35
  36         shared_cap->host_cctxs = dev_cap->host_ccxt_num;
  37         shared_cap->host_scqs = dev_cap->host_scq_num;
  38         shared_cap->host_srqs = dev_cap->host_srq_num;
  39         shared_cap->host_mpts = dev_cap->host_mpt_num;
  40
  41         PMD_DRV_LOG(INFO, "Get share resource capability:");
  42         PMD_DRV_LOG(INFO, "host_pctxs: 0x%x, host_cctxs: 0x%x, host_scqs: 0x%x, host_srqs: 0x%x, host_mpts: 0x%x",
  43                     shared_cap->host_pctxs, shared_cap->host_cctxs,
  44                     shared_cap->host_scqs, shared_cap->host_srqs,
  45                     shared_cap->host_mpts);
  46 }
  47
  48 static void hinic_parse_l2nic_res_cap(struct service_cap *cap,
  49                                 struct hinic_dev_cap *dev_cap,
  50                                 enum func_type type)
  51 {
  52         struct nic_service_cap *nic_cap = &cap->nic_cap;
  53
  54         if (type == TYPE_PF || type == TYPE_PPF) {
  55                 nic_cap->max_sqs = dev_cap->nic_max_sq + 1;
  56                 nic_cap->max_rqs = dev_cap->nic_max_rq + 1;
  57                 nic_cap->vf_max_sqs = dev_cap->nic_vf_max_sq + 1;
  58                 nic_cap->vf_max_rqs = dev_cap->nic_vf_max_rq + 1;
  59         } else {
  60                 nic_cap->max_sqs = dev_cap->nic_max_sq;
  61                 nic_cap->max_rqs = dev_cap->nic_max_rq;
  62                 nic_cap->vf_max_sqs = 0;
  63                 nic_cap->vf_max_rqs = 0;
  64         }
  65
  66         if (dev_cap->nic_lro_en)
  67                 nic_cap->lro_en = true;
  68         else
  69                 nic_cap->lro_en = false;
  70
  71         nic_cap->lro_sz = dev_cap->nic_lro_sz;
  72         nic_cap->tso_sz = dev_cap->nic_tso_sz;
  73
  74         PMD_DRV_LOG(INFO, "Get l2nic resource capability:");
  75         PMD_DRV_LOG(INFO, "max_sqs: 0x%x, max_rqs: 0x%x, vf_max_sqs: 0x%x, vf_max_rqs: 0x%x",
  76                     nic_cap->max_sqs, nic_cap->max_rqs,
  77                     nic_cap->vf_max_sqs, nic_cap->vf_max_rqs);
  78 }
  79
  80 u16 hinic_func_max_qnum(void *hwdev)
  81 {
  82         struct hinic_hwdev *dev = hwdev;
  83
  84         return dev->cfg_mgmt->svc_cap.max_sqs;
  85 }
  86
  87 int init_cfg_mgmt(struct hinic_hwdev *hwdev)
  88 {
  89         struct cfg_mgmt_info *cfg_mgmt;
  90
  91         cfg_mgmt = kzalloc(sizeof(*cfg_mgmt), GFP_KERNEL);
  92         if (!cfg_mgmt)
  93                 return -ENOMEM;
  94
  95         hwdev->cfg_mgmt = cfg_mgmt;
  96         cfg_mgmt->hwdev = hwdev;
  97
  98         return 0;
  99 }
 100
 101 void free_cfg_mgmt(struct hinic_hwdev *hwdev)
 102 {
 103         kfree(hwdev->cfg_mgmt);
 104         hwdev->cfg_mgmt = NULL;
 105 }
 106
 107 static void hinic_parse_pub_res_cap(struct service_cap *cap,
 108                               struct hinic_dev_cap *dev_cap,
 109                               enum func_type type)
 110 {
 111         cap->host_id = dev_cap->host_id;
 112         cap->ep_id = dev_cap->ep_id;
 113         cap->max_cos_id = dev_cap->max_cos_id;
 114         cap->er_id = dev_cap->er_id;
 115         cap->port_id = dev_cap->port_id;
 116
 117         if (type == TYPE_PF || type == TYPE_PPF) {
 118                 cap->max_vf = dev_cap->max_vf;
 119                 cap->pf_num = dev_cap->pf_num;
 120                 cap->pf_id_start = dev_cap->pf_id_start;
 121                 cap->vf_num = dev_cap->vf_num;
 122                 cap->vf_id_start = dev_cap->vf_id_start;
 123                 cap->max_sqs = dev_cap->nic_max_sq + 1;
 124                 cap->max_rqs = dev_cap->nic_max_rq + 1;
 125         }
 126
 127         cap->chip_svc_type = CFG_SVC_NIC_BIT0;
 128         cap->host_total_function = dev_cap->host_total_func;
 129         cap->host_oq_id_mask_val = dev_cap->host_oq_id_mask_val;
 130
 131         PMD_DRV_LOG(INFO, "Get public resource capability:");
 132         PMD_DRV_LOG(INFO, "host_id: 0x%x, ep_id: 0x%x, intr_type: 0x%x, max_cos_id: 0x%x, er_id: 0x%x, port_id: 0x%x",
 133                     cap->host_id, cap->ep_id, cap->intr_chip_en,
 134                     cap->max_cos_id, cap->er_id, cap->port_id);
 135         PMD_DRV_LOG(INFO, "host_total_function: 0x%x, host_oq_id_mask_val: 0x%x, max_vf: 0x%x",
 136                     cap->host_total_function, cap->host_oq_id_mask_val,
 137                     cap->max_vf);
 138         PMD_DRV_LOG(INFO, "pf_num: 0x%x, pf_id_start: 0x%x, vf_num: 0x%x, vf_id_start: 0x%x",
 139                     cap->pf_num, cap->pf_id_start,
 140                     cap->vf_num, cap->vf_id_start);
 141 }
 142
 143 static void parse_dev_cap(struct hinic_hwdev *dev,
 144                           struct hinic_dev_cap *dev_cap,
 145                           enum func_type type)
 146 {
 147         struct service_cap *cap = &dev->cfg_mgmt->svc_cap;
 148
 149         /* Public resource */
 150         hinic_parse_pub_res_cap(cap, dev_cap, type);
 151
 152         /* PPF managed dynamic resource */
 153         if (type == TYPE_PPF)
 154                 hinic_parse_shared_res_cap(cap, dev_cap, type);
 155
 156         /* L2 NIC resource */
 157         if (IS_NIC_TYPE(dev))
 158                 hinic_parse_l2nic_res_cap(cap, dev_cap, type);
 159 }
 160
 161 static int get_cap_from_fw(struct hinic_hwdev *dev, enum func_type type)
 162 {
 163         int err;
 164         u16 in_len, out_len;
 165         struct hinic_dev_cap dev_cap;
 166
 167         memset(&dev_cap, 0, sizeof(dev_cap));
 168         in_len = sizeof(dev_cap);
 169         out_len = in_len;
 170         dev_cap.mgmt_msg_head.resp_aeq_num = HINIC_AEQ1;
 171         err = hinic_msg_to_mgmt_sync(dev, HINIC_MOD_CFGM, HINIC_CFG_NIC_CAP,
 172                                      &dev_cap, in_len, &dev_cap, &out_len, 0);
 173         if (err || dev_cap.mgmt_msg_head.status || !out_len) {
 174                 PMD_DRV_LOG(ERR, "Get capability from FW failed, err: %d, status: %d, out_len: %d",
 175                         err, dev_cap.mgmt_msg_head.status, out_len);
 176                 return -EFAULT;
 177         }
 178
 179         parse_dev_cap(dev, &dev_cap, type);
 180         return 0;
 181 }
 182
 183 static int get_dev_cap(struct hinic_hwdev *dev)
 184 {
 185         int err;
 186         enum func_type type = HINIC_FUNC_TYPE(dev);
 187
 188         switch (type) {
 189         case TYPE_PF:
 190         case TYPE_PPF:
 191                 err = get_cap_from_fw(dev, type);
 192                 if (err) {
 193                         PMD_DRV_LOG(ERR, "Get PF/PPF capability failed");
 194                         return err;
 195                 }
 196                 break;
 197         default:
 198                 PMD_DRV_LOG(ERR, "Unsupported PCI function type");
 199                 return -EINVAL;
 200         }
 201
 202         return 0;
 203 }
 204
 205 int hinic_init_capability(struct hinic_hwdev *hwdev)
 206 {
 207         return get_dev_cap(hwdev);
 208 }