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 #include "hinic_pmd_mbox.h"
  12
  13 bool hinic_support_nic(struct hinic_hwdev *hwdev, struct nic_service_cap *cap)
  14 {
  15         if (!IS_NIC_TYPE(hwdev))
  16                 return false;
  17
  18         if (cap)
  19                 memcpy(cap, &hwdev->cfg_mgmt->svc_cap.nic_cap, sizeof(*cap));
  20
  21         return true;
  22 }
  23
  24 static void hinic_parse_shared_res_cap(struct service_cap *cap,
  25                                         struct hinic_dev_cap *dev_cap,
  26                                         __rte_unused enum func_type type)
  27 {
  28         struct host_shared_resource_cap *shared_cap = &cap->shared_res_cap;
  29
  30         shared_cap->host_pctxs = dev_cap->host_pctx_num;
  31
  32         if (dev_cap->host_sf_en)
  33                 cap->sf_en = true;
  34         else
  35                 cap->sf_en = false;
  36
  37         shared_cap->host_cctxs = dev_cap->host_ccxt_num;
  38         shared_cap->host_scqs = dev_cap->host_scq_num;
  39         shared_cap->host_srqs = dev_cap->host_srq_num;
  40         shared_cap->host_mpts = dev_cap->host_mpt_num;
  41
  42         PMD_DRV_LOG(INFO, "Get share resource capability:");
  43         PMD_DRV_LOG(INFO, "host_pctxs: 0x%x, host_cctxs: 0x%x, host_scqs: 0x%x, host_srqs: 0x%x, host_mpts: 0x%x",
  44                     shared_cap->host_pctxs, shared_cap->host_cctxs,
  45                     shared_cap->host_scqs, shared_cap->host_srqs,
  46                     shared_cap->host_mpts);
  47 }
  48
  49 static void hinic_parse_l2nic_res_cap(struct service_cap *cap,
  50                                 struct hinic_dev_cap *dev_cap,
  51                                 enum func_type type)
  52 {
  53         struct nic_service_cap *nic_cap = &cap->nic_cap;
  54
  55         if (type == TYPE_PF || type == TYPE_PPF) {
  56                 nic_cap->max_sqs = dev_cap->nic_max_sq + 1;
  57                 nic_cap->max_rqs = dev_cap->nic_max_rq + 1;
  58                 nic_cap->vf_max_sqs = dev_cap->nic_vf_max_sq + 1;
  59                 nic_cap->vf_max_rqs = dev_cap->nic_vf_max_rq + 1;
  60         } else {
  61                 nic_cap->max_sqs = dev_cap->nic_max_sq;
  62                 nic_cap->max_rqs = dev_cap->nic_max_rq;
  63                 nic_cap->vf_max_sqs = 0;
  64                 nic_cap->vf_max_rqs = 0;
  65         }
  66
  67         if (dev_cap->nic_lro_en)
  68                 nic_cap->lro_en = true;
  69         else
  70                 nic_cap->lro_en = false;
  71
  72         nic_cap->lro_sz = dev_cap->nic_lro_sz;
  73         nic_cap->tso_sz = dev_cap->nic_tso_sz;
  74
  75         PMD_DRV_LOG(INFO, "Get l2nic resource capability:");
  76         PMD_DRV_LOG(INFO, "max_sqs: 0x%x, max_rqs: 0x%x, vf_max_sqs: 0x%x, vf_max_rqs: 0x%x",
  77                     nic_cap->max_sqs, nic_cap->max_rqs,
  78                     nic_cap->vf_max_sqs, nic_cap->vf_max_rqs);
  79 }
  80
  81 u16 hinic_func_max_qnum(void *hwdev)
  82 {
  83         struct hinic_hwdev *dev = hwdev;
  84
  85         return dev->cfg_mgmt->svc_cap.max_sqs;
  86 }
  87
  88 int init_cfg_mgmt(struct hinic_hwdev *hwdev)
  89 {
  90         struct cfg_mgmt_info *cfg_mgmt;
  91
  92         cfg_mgmt = kzalloc(sizeof(*cfg_mgmt), GFP_KERNEL);
  93         if (!cfg_mgmt)
  94                 return -ENOMEM;
  95
  96         hwdev->cfg_mgmt = cfg_mgmt;
  97         cfg_mgmt->hwdev = hwdev;
  98
  99         return 0;
 100 }
 101
 102 void free_cfg_mgmt(struct hinic_hwdev *hwdev)
 103 {
 104         kfree(hwdev->cfg_mgmt);
 105         hwdev->cfg_mgmt = NULL;
 106 }
 107
 108 static void hinic_parse_pub_res_cap(struct service_cap *cap,
 109                               struct hinic_dev_cap *dev_cap,
 110                               enum func_type type)
 111 {
 112         cap->host_id = dev_cap->host_id;
 113         cap->ep_id = dev_cap->ep_id;
 114         cap->max_cos_id = dev_cap->max_cos_id;
 115         cap->er_id = dev_cap->er_id;
 116         cap->port_id = dev_cap->port_id;
 117
 118         if (type == TYPE_PF || type == TYPE_PPF) {
 119                 cap->max_vf = dev_cap->max_vf;
 120                 cap->pf_num = dev_cap->pf_num;
 121                 cap->pf_id_start = dev_cap->pf_id_start;
 122                 cap->vf_num = dev_cap->vf_num;
 123                 cap->vf_id_start = dev_cap->vf_id_start;
 124                 cap->max_sqs = dev_cap->nic_max_sq + 1;
 125                 cap->max_rqs = dev_cap->nic_max_rq + 1;
 126         } else {
 127                 cap->max_vf = 0;
 128                 cap->max_sqs = dev_cap->nic_max_sq;
 129                 cap->max_rqs = dev_cap->nic_max_rq;
 130         }
 131
 132         cap->chip_svc_type = dev_cap->svc_cap_en;
 133         cap->host_total_function = dev_cap->host_total_func;
 134         cap->host_oq_id_mask_val = dev_cap->host_oq_id_mask_val;
 135
 136         PMD_DRV_LOG(INFO, "Get public resource capability:");
 137         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",
 138                     cap->host_id, cap->ep_id, cap->intr_chip_en,
 139                     cap->max_cos_id, cap->er_id, cap->port_id);
 140         PMD_DRV_LOG(INFO, "host_total_function: 0x%x, host_oq_id_mask_val: 0x%x, max_vf: 0x%x",
 141                     cap->host_total_function, cap->host_oq_id_mask_val,
 142                     cap->max_vf);
 143         PMD_DRV_LOG(INFO, "chip_svc_type: 0x%x", cap->chip_svc_type);
 144         PMD_DRV_LOG(INFO, "pf_num: 0x%x, pf_id_start: 0x%x, vf_num: 0x%x, vf_id_start: 0x%x",
 145                     cap->pf_num, cap->pf_id_start,
 146                     cap->vf_num, cap->vf_id_start);
 147 }
 148
 149 static void parse_dev_cap(struct hinic_hwdev *dev,
 150                           struct hinic_dev_cap *dev_cap,
 151                           enum func_type type)
 152 {
 153         struct service_cap *cap = &dev->cfg_mgmt->svc_cap;
 154
 155         /* Public resource */
 156         hinic_parse_pub_res_cap(cap, dev_cap, type);
 157
 158         /* PPF managed dynamic resource */
 159         if (type == TYPE_PPF)
 160                 hinic_parse_shared_res_cap(cap, dev_cap, type);
 161
 162         /* L2 NIC resource */
 163         if (IS_NIC_TYPE(dev))
 164                 hinic_parse_l2nic_res_cap(cap, dev_cap, type);
 165 }
 166
 167 static int get_cap_from_fw(struct hinic_hwdev *dev, enum func_type type)
 168 {
 169         int err;
 170         u16 in_len, out_len;
 171         struct hinic_dev_cap dev_cap;
 172
 173         memset(&dev_cap, 0, sizeof(dev_cap));
 174         in_len = sizeof(dev_cap);
 175         out_len = in_len;
 176         dev_cap.mgmt_msg_head.resp_aeq_num = HINIC_AEQ1;
 177         err = hinic_msg_to_mgmt_sync(dev, HINIC_MOD_CFGM, HINIC_CFG_NIC_CAP,
 178                                      &dev_cap, in_len, &dev_cap, &out_len, 0);
 179         if (err || dev_cap.mgmt_msg_head.status || !out_len) {
 180                 PMD_DRV_LOG(ERR, "Get capability from FW failed, err: %d, status: %d, out_len: %d",
 181                         err, dev_cap.mgmt_msg_head.status, out_len);
 182                 return -EFAULT;
 183         }
 184
 185         parse_dev_cap(dev, &dev_cap, type);
 186         return 0;
 187 }
 188
 189 static int get_cap_from_pf(struct hinic_hwdev *dev, enum func_type type)
 190 {
 191         int err;
 192         u16 in_len, out_len;
 193         struct hinic_dev_cap dev_cap;
 194
 195         memset(&dev_cap, 0, sizeof(dev_cap));
 196         in_len = sizeof(dev_cap);
 197         out_len = in_len;
 198         err = hinic_mbox_to_pf(dev, HINIC_MOD_CFGM, HINIC_CFG_MBOX_CAP,
 199                                &dev_cap, in_len, &dev_cap, &out_len,
 200                                CFG_MAX_CMD_TIMEOUT);
 201         if (err || dev_cap.mgmt_msg_head.status || !out_len) {
 202                 PMD_DRV_LOG(ERR, "Get capability from PF failed, err: %d, status: %d, out_len: %d",
 203                                 err, dev_cap.mgmt_msg_head.status, out_len);
 204                 return -EFAULT;
 205         }
 206
 207         parse_dev_cap(dev, &dev_cap, type);
 208         return 0;
 209 }
 210
 211 static int get_dev_cap(struct hinic_hwdev *dev)
 212 {
 213         int err;
 214         enum func_type type = HINIC_FUNC_TYPE(dev);
 215
 216         switch (type) {
 217         case TYPE_PF:
 218         case TYPE_PPF:
 219                 err = get_cap_from_fw(dev, type);
 220                 if (err) {
 221                         PMD_DRV_LOG(ERR, "Get PF/PPF capability failed");
 222                         return err;
 223                 }
 224                 break;
 225         case TYPE_VF:
 226                 err = get_cap_from_pf(dev, type);
 227                 if (err) {
 228                         PMD_DRV_LOG(ERR, "Get VF capability failed, err: %d",
 229                                         err);
 230                         return err;
 231                 }
 232                 break;
 233         default:
 234                 PMD_DRV_LOG(ERR, "Unsupported PCI function type");
 235                 return -EINVAL;
 236         }
 237
 238         return 0;
 239 }
 240
 241 int hinic_init_capability(struct hinic_hwdev *hwdev)
 242 {
 243         return get_dev_cap(hwdev);
 244 }