drivers/net/ethernet/hisilicon/hns/hns_dsaf_ppe.c

   1 // SPDX-License-Identifier: GPL-2.0-or-later
   2 /*
   3  * Copyright (c) 2014-2015 Hisilicon Limited.
   4  */
   5
   6 #include <linux/module.h>
   7 #include <linux/kernel.h>
   8 #include <linux/init.h>
   9 #include <linux/netdevice.h>
  10 #include <linux/etherdevice.h>
  11 #include <linux/platform_device.h>
  12
  13 #include "hns_dsaf_ppe.h"
  14
  15 void hns_ppe_set_tso_enable(struct hns_ppe_cb *ppe_cb, u32 value)
  16 {
  17         dsaf_set_dev_bit(ppe_cb, PPEV2_CFG_TSO_EN_REG, 0, !!value);
  18 }
  19
  20 void hns_ppe_set_rss_key(struct hns_ppe_cb *ppe_cb,
  21                          const u32 rss_key[HNS_PPEV2_RSS_KEY_NUM])
  22 {
  23         u32 key_item;
  24
  25         for (key_item = 0; key_item < HNS_PPEV2_RSS_KEY_NUM; key_item++)
  26                 dsaf_write_dev(ppe_cb, PPEV2_RSS_KEY_REG + key_item * 0x4,
  27                                rss_key[key_item]);
  28 }
  29
  30 void hns_ppe_set_indir_table(struct hns_ppe_cb *ppe_cb,
  31                              const u32 rss_tab[HNS_PPEV2_RSS_IND_TBL_SIZE])
  32 {
  33         int i;
  34         int reg_value;
  35
  36         for (i = 0; i < (HNS_PPEV2_RSS_IND_TBL_SIZE / 4); i++) {
  37                 reg_value = dsaf_read_dev(ppe_cb,
  38                                           PPEV2_INDRECTION_TBL_REG + i * 0x4);
  39
  40                 dsaf_set_field(reg_value, PPEV2_CFG_RSS_TBL_4N0_M,
  41                                PPEV2_CFG_RSS_TBL_4N0_S,
  42                                rss_tab[i * 4 + 0] & 0x1F);
  43                 dsaf_set_field(reg_value, PPEV2_CFG_RSS_TBL_4N1_M,
  44                                PPEV2_CFG_RSS_TBL_4N1_S,
  45                                 rss_tab[i * 4 + 1] & 0x1F);
  46                 dsaf_set_field(reg_value, PPEV2_CFG_RSS_TBL_4N2_M,
  47                                PPEV2_CFG_RSS_TBL_4N2_S,
  48                                 rss_tab[i * 4 + 2] & 0x1F);
  49                 dsaf_set_field(reg_value, PPEV2_CFG_RSS_TBL_4N3_M,
  50                                PPEV2_CFG_RSS_TBL_4N3_S,
  51                                 rss_tab[i * 4 + 3] & 0x1F);
  52                 dsaf_write_dev(
  53                         ppe_cb, PPEV2_INDRECTION_TBL_REG + i * 0x4, reg_value);
  54         }
  55 }
  56
  57 static u8 __iomem *
  58 hns_ppe_common_get_ioaddr(struct ppe_common_cb *ppe_common)
  59 {
  60         return ppe_common->dsaf_dev->ppe_base + PPE_COMMON_REG_OFFSET;
  61 }
  62
  63 /**
  64  * hns_ppe_common_get_cfg - get ppe common config
  65  * @dsaf_dev: dasf device
  66  * @comm_index: common index
  67  * return 0 - success , negative --fail
  68  */
  69 static int hns_ppe_common_get_cfg(struct dsaf_device *dsaf_dev, int comm_index)
  70 {
  71         struct ppe_common_cb *ppe_common;
  72         int ppe_num;
  73
  74         if (!HNS_DSAF_IS_DEBUG(dsaf_dev))
  75                 ppe_num = HNS_PPE_SERVICE_NW_ENGINE_NUM;
  76         else
  77                 ppe_num = HNS_PPE_DEBUG_NW_ENGINE_NUM;
  78
  79         ppe_common = devm_kzalloc(dsaf_dev->dev,
  80                                   struct_size(ppe_common, ppe_cb, ppe_num),
  81                                   GFP_KERNEL);
  82         if (!ppe_common)
  83                 return -ENOMEM;
  84
  85         ppe_common->ppe_num = ppe_num;
  86         ppe_common->dsaf_dev = dsaf_dev;
  87         ppe_common->comm_index = comm_index;
  88         if (!HNS_DSAF_IS_DEBUG(dsaf_dev))
  89                 ppe_common->ppe_mode = PPE_COMMON_MODE_SERVICE;
  90         else
  91                 ppe_common->ppe_mode = PPE_COMMON_MODE_DEBUG;
  92         ppe_common->dev = dsaf_dev->dev;
  93
  94         ppe_common->io_base = hns_ppe_common_get_ioaddr(ppe_common);
  95
  96         dsaf_dev->ppe_common[comm_index] = ppe_common;
  97
  98         return 0;
  99 }
 100
 101 static void
 102 hns_ppe_common_free_cfg(struct dsaf_device *dsaf_dev, u32 comm_index)
 103 {
 104         dsaf_dev->ppe_common[comm_index] = NULL;
 105 }
 106
 107 static u8 __iomem *hns_ppe_get_iobase(struct ppe_common_cb *ppe_common,
 108                                       int ppe_idx)
 109 {
 110         return ppe_common->dsaf_dev->ppe_base + ppe_idx * PPE_REG_OFFSET;
 111 }
 112
 113 static void hns_ppe_get_cfg(struct ppe_common_cb *ppe_common)
 114 {
 115         u32 i;
 116         struct hns_ppe_cb *ppe_cb;
 117         u32 ppe_num = ppe_common->ppe_num;
 118
 119         for (i = 0; i < ppe_num; i++) {
 120                 ppe_cb = &ppe_common->ppe_cb[i];
 121                 ppe_cb->dev = ppe_common->dev;
 122                 ppe_cb->next = NULL;
 123                 ppe_cb->ppe_common_cb = ppe_common;
 124                 ppe_cb->index = i;
 125                 ppe_cb->io_base = hns_ppe_get_iobase(ppe_common, i);
 126                 ppe_cb->virq = 0;
 127         }
 128 }
 129
 130 static void hns_ppe_cnt_clr_ce(struct hns_ppe_cb *ppe_cb)
 131 {
 132         dsaf_set_dev_bit(ppe_cb, PPE_TNL_0_5_CNT_CLR_CE_REG,
 133                          PPE_CNT_CLR_CE_B, 1);
 134 }
 135
 136 static void hns_ppe_set_vlan_strip(struct hns_ppe_cb *ppe_cb, int en)
 137 {
 138         dsaf_write_dev(ppe_cb, PPEV2_VLAN_STRIP_EN_REG, en);
 139 }
 140
 141 /**
 142  * hns_ppe_checksum_hw - set ppe checksum caculate
 143  * @ppe_cb: ppe device
 144  * @value: value
 145  */
 146 static void hns_ppe_checksum_hw(struct hns_ppe_cb *ppe_cb, u32 value)
 147 {
 148         dsaf_set_dev_field(ppe_cb, PPE_CFG_PRO_CHECK_EN_REG,
 149                            0xfffffff, 0, value);
 150 }
 151
 152 static void hns_ppe_set_qid_mode(struct ppe_common_cb *ppe_common,
 153                                  enum ppe_qid_mode qid_mdoe)
 154 {
 155         dsaf_set_dev_field(ppe_common, PPE_COM_CFG_QID_MODE_REG,
 156                            PPE_CFG_QID_MODE_CF_QID_MODE_M,
 157                            PPE_CFG_QID_MODE_CF_QID_MODE_S, qid_mdoe);
 158 }
 159
 160 /**
 161  * hns_ppe_set_qid - set ppe qid
 162  * @ppe_common: ppe common device
 163  * @qid: queue id
 164  */
 165 static void hns_ppe_set_qid(struct ppe_common_cb *ppe_common, u32 qid)
 166 {
 167         u32 qid_mod = dsaf_read_dev(ppe_common, PPE_COM_CFG_QID_MODE_REG);
 168
 169         if (!dsaf_get_field(qid_mod, PPE_CFG_QID_MODE_DEF_QID_M,
 170                             PPE_CFG_QID_MODE_DEF_QID_S)) {
 171                 dsaf_set_field(qid_mod, PPE_CFG_QID_MODE_DEF_QID_M,
 172                                PPE_CFG_QID_MODE_DEF_QID_S, qid);
 173                 dsaf_write_dev(ppe_common, PPE_COM_CFG_QID_MODE_REG, qid_mod);
 174         }
 175 }
 176
 177 /**
 178  * hns_ppe_set_port_mode - set port mode
 179  * @ppe_cb: ppe device
 180  * @mode: port mode
 181  */
 182 static void hns_ppe_set_port_mode(struct hns_ppe_cb *ppe_cb,
 183                                   enum ppe_port_mode mode)
 184 {
 185         dsaf_write_dev(ppe_cb, PPE_CFG_XGE_MODE_REG, mode);
 186 }
 187
 188 /**
 189  * hns_ppe_common_init_hw - init ppe common device
 190  * @ppe_common: ppe common device
 191  *
 192  * Return 0 on success, negative on failure
 193  */
 194 static int hns_ppe_common_init_hw(struct ppe_common_cb *ppe_common)
 195 {
 196         enum ppe_qid_mode qid_mode;
 197         struct dsaf_device *dsaf_dev = ppe_common->dsaf_dev;
 198         enum dsaf_mode dsaf_mode = dsaf_dev->dsaf_mode;
 199
 200         dsaf_dev->misc_op->ppe_comm_srst(dsaf_dev, 0);
 201         msleep(100);
 202         dsaf_dev->misc_op->ppe_comm_srst(dsaf_dev, 1);
 203         msleep(100);
 204
 205         if (ppe_common->ppe_mode == PPE_COMMON_MODE_SERVICE) {
 206                 switch (dsaf_mode) {
 207                 case DSAF_MODE_ENABLE_FIX:
 208                 case DSAF_MODE_DISABLE_FIX:
 209                         qid_mode = PPE_QID_MODE0;
 210                         hns_ppe_set_qid(ppe_common, 0);
 211                         break;
 212                 case DSAF_MODE_ENABLE_0VM:
 213                 case DSAF_MODE_DISABLE_2PORT_64VM:
 214                         qid_mode = PPE_QID_MODE3;
 215                         break;
 216                 case DSAF_MODE_ENABLE_8VM:
 217                 case DSAF_MODE_DISABLE_2PORT_16VM:
 218                         qid_mode = PPE_QID_MODE4;
 219                         break;
 220                 case DSAF_MODE_ENABLE_16VM:
 221                 case DSAF_MODE_DISABLE_6PORT_0VM:
 222                         qid_mode = PPE_QID_MODE5;
 223                         break;
 224                 case DSAF_MODE_ENABLE_32VM:
 225                 case DSAF_MODE_DISABLE_6PORT_16VM:
 226                         qid_mode = PPE_QID_MODE2;
 227                         break;
 228                 case DSAF_MODE_ENABLE_128VM:
 229                 case DSAF_MODE_DISABLE_6PORT_4VM:
 230                         qid_mode = PPE_QID_MODE1;
 231                         break;
 232                 case DSAF_MODE_DISABLE_2PORT_8VM:
 233                         qid_mode = PPE_QID_MODE7;
 234                         break;
 235                 case DSAF_MODE_DISABLE_6PORT_2VM:
 236                         qid_mode = PPE_QID_MODE6;
 237                         break;
 238                 default:
 239                         dev_err(ppe_common->dev,
 240                                 "get ppe queue mode failed! dsaf_mode=%d\n",
 241                                 dsaf_mode);
 242                         return -EINVAL;
 243                 }
 244                 hns_ppe_set_qid_mode(ppe_common, qid_mode);
 245         }
 246
 247         dsaf_set_dev_bit(ppe_common, PPE_COM_COMMON_CNT_CLR_CE_REG,
 248                          PPE_COMMON_CNT_CLR_CE_B, 1);
 249
 250         return 0;
 251 }
 252
 253 /*clr ppe exception irq*/
 254 static void hns_ppe_exc_irq_en(struct hns_ppe_cb *ppe_cb, int en)
 255 {
 256         u32 clr_vlue = 0xfffffffful;
 257         u32 msk_vlue = en ? 0xfffffffful : 0; /*1 is en, 0 is dis*/
 258         u32 vld_msk = 0;
 259
 260         /*only care bit 0,1,7*/
 261         dsaf_set_bit(vld_msk, 0, 1);
 262         dsaf_set_bit(vld_msk, 1, 1);
 263         dsaf_set_bit(vld_msk, 7, 1);
 264
 265         /*clr sts**/
 266         dsaf_write_dev(ppe_cb, PPE_RINT_REG, clr_vlue);
 267
 268         /*for some reserved bits, so set 0**/
 269         dsaf_write_dev(ppe_cb, PPE_INTEN_REG, msk_vlue & vld_msk);
 270 }
 271
 272 int hns_ppe_wait_tx_fifo_clean(struct hns_ppe_cb *ppe_cb)
 273 {
 274         int wait_cnt;
 275         u32 val;
 276
 277         wait_cnt = 0;
 278         while (wait_cnt++ < HNS_MAX_WAIT_CNT) {
 279                 val = dsaf_read_dev(ppe_cb, PPE_CURR_TX_FIFO0_REG) & 0x3ffU;
 280                 if (!val)
 281                         break;
 282
 283                 usleep_range(100, 200);
 284         }
 285
 286         if (wait_cnt >= HNS_MAX_WAIT_CNT) {
 287                 dev_err(ppe_cb->dev, "hns ppe tx fifo clean wait timeout, still has %u pkt.\n",
 288                         val);
 289                 return -EBUSY;
 290         }
 291
 292         return 0;
 293 }
 294
 295 /**
 296  * hns_ppe_init_hw - init ppe
 297  * @ppe_cb: ppe device
 298  */
 299 static void hns_ppe_init_hw(struct hns_ppe_cb *ppe_cb)
 300 {
 301         struct ppe_common_cb *ppe_common_cb = ppe_cb->ppe_common_cb;
 302         u32 port = ppe_cb->index;
 303         struct dsaf_device *dsaf_dev = ppe_common_cb->dsaf_dev;
 304         int i;
 305
 306         /* get default RSS key */
 307         netdev_rss_key_fill(ppe_cb->rss_key, HNS_PPEV2_RSS_KEY_SIZE);
 308
 309         dsaf_dev->misc_op->ppe_srst(dsaf_dev, port, 0);
 310         mdelay(10);
 311         dsaf_dev->misc_op->ppe_srst(dsaf_dev, port, 1);
 312
 313         /* clr and msk except irq*/
 314         hns_ppe_exc_irq_en(ppe_cb, 0);
 315
 316         if (ppe_common_cb->ppe_mode == PPE_COMMON_MODE_DEBUG) {
 317                 hns_ppe_set_port_mode(ppe_cb, PPE_MODE_GE);
 318                 dsaf_write_dev(ppe_cb, PPE_CFG_PAUSE_IDLE_CNT_REG, 0);
 319         } else {
 320                 hns_ppe_set_port_mode(ppe_cb, PPE_MODE_XGE);
 321         }
 322
 323         hns_ppe_checksum_hw(ppe_cb, 0xffffffff);
 324         hns_ppe_cnt_clr_ce(ppe_cb);
 325
 326         if (!AE_IS_VER1(dsaf_dev->dsaf_ver)) {
 327                 hns_ppe_set_vlan_strip(ppe_cb, 0);
 328
 329                 dsaf_write_dev(ppe_cb, PPE_CFG_MAX_FRAME_LEN_REG,
 330                                HNS_PPEV2_MAX_FRAME_LEN);
 331
 332                 /* set default RSS key in h/w */
 333                 hns_ppe_set_rss_key(ppe_cb, ppe_cb->rss_key);
 334
 335                 /* Set default indrection table in h/w */
 336                 for (i = 0; i < HNS_PPEV2_RSS_IND_TBL_SIZE; i++)
 337                         ppe_cb->rss_indir_table[i] = i;
 338                 hns_ppe_set_indir_table(ppe_cb, ppe_cb->rss_indir_table);
 339         }
 340 }
 341
 342 /**
 343  * hns_ppe_uninit_hw - uninit ppe
 344  * @ppe_cb: ppe device
 345  */
 346 static void hns_ppe_uninit_hw(struct hns_ppe_cb *ppe_cb)
 347 {
 348         u32 port;
 349
 350         if (ppe_cb->ppe_common_cb) {
 351                 struct dsaf_device *dsaf_dev = ppe_cb->ppe_common_cb->dsaf_dev;
 352
 353                 port = ppe_cb->index;
 354                 dsaf_dev->misc_op->ppe_srst(dsaf_dev, port, 0);
 355         }
 356 }
 357
 358 static void hns_ppe_uninit_ex(struct ppe_common_cb *ppe_common)
 359 {
 360         u32 i;
 361
 362         for (i = 0; i < ppe_common->ppe_num; i++) {
 363                 if (ppe_common->dsaf_dev->mac_cb[i])
 364                         hns_ppe_uninit_hw(&ppe_common->ppe_cb[i]);
 365                 memset(&ppe_common->ppe_cb[i], 0, sizeof(struct hns_ppe_cb));
 366         }
 367 }
 368
 369 void hns_ppe_uninit(struct dsaf_device *dsaf_dev)
 370 {
 371         u32 i;
 372
 373         for (i = 0; i < HNS_PPE_COM_NUM; i++) {
 374                 if (dsaf_dev->ppe_common[i])
 375                         hns_ppe_uninit_ex(dsaf_dev->ppe_common[i]);
 376                 hns_rcb_common_free_cfg(dsaf_dev, i);
 377                 hns_ppe_common_free_cfg(dsaf_dev, i);
 378         }
 379 }
 380
 381 /**
 382  * hns_ppe_reset_common - reinit ppe/rcb hw
 383  * @dsaf_dev: dasf device
 384  * @ppe_common_index: the index
 385  * return void
 386  */
 387 void hns_ppe_reset_common(struct dsaf_device *dsaf_dev, u8 ppe_common_index)
 388 {
 389         u32 i;
 390         int ret;
 391         struct ppe_common_cb *ppe_common;
 392
 393         ppe_common = dsaf_dev->ppe_common[ppe_common_index];
 394         ret = hns_ppe_common_init_hw(ppe_common);
 395         if (ret)
 396                 return;
 397
 398         for (i = 0; i < ppe_common->ppe_num; i++) {
 399                 /* We only need to initiate ppe when the port exists */
 400                 if (dsaf_dev->mac_cb[i])
 401                         hns_ppe_init_hw(&ppe_common->ppe_cb[i]);
 402         }
 403
 404         ret = hns_rcb_common_init_hw(dsaf_dev->rcb_common[ppe_common_index]);
 405         if (ret)
 406                 return;
 407
 408         hns_rcb_common_init_commit_hw(dsaf_dev->rcb_common[ppe_common_index]);
 409 }
 410
 411 void hns_ppe_update_stats(struct hns_ppe_cb *ppe_cb)
 412 {
 413         struct hns_ppe_hw_stats *hw_stats = &ppe_cb->hw_stats;
 414
 415         hw_stats->rx_pkts_from_sw
 416                 += dsaf_read_dev(ppe_cb, PPE_HIS_RX_SW_PKT_CNT_REG);
 417         hw_stats->rx_pkts
 418                 += dsaf_read_dev(ppe_cb, PPE_HIS_RX_WR_BD_OK_PKT_CNT_REG);
 419         hw_stats->rx_drop_no_bd
 420                 += dsaf_read_dev(ppe_cb, PPE_HIS_RX_PKT_NO_BUF_CNT_REG);
 421         hw_stats->rx_alloc_buf_fail
 422                 += dsaf_read_dev(ppe_cb, PPE_HIS_RX_APP_BUF_FAIL_CNT_REG);
 423         hw_stats->rx_alloc_buf_wait
 424                 += dsaf_read_dev(ppe_cb, PPE_HIS_RX_APP_BUF_WAIT_CNT_REG);
 425         hw_stats->rx_drop_no_buf
 426                 += dsaf_read_dev(ppe_cb, PPE_HIS_RX_PKT_DROP_FUL_CNT_REG);
 427         hw_stats->rx_err_fifo_full
 428                 += dsaf_read_dev(ppe_cb, PPE_HIS_RX_PKT_DROP_PRT_CNT_REG);
 429
 430         hw_stats->tx_bd_form_rcb
 431                 += dsaf_read_dev(ppe_cb, PPE_HIS_TX_BD_CNT_REG);
 432         hw_stats->tx_pkts_from_rcb
 433                 += dsaf_read_dev(ppe_cb, PPE_HIS_TX_PKT_CNT_REG);
 434         hw_stats->tx_pkts
 435                 += dsaf_read_dev(ppe_cb, PPE_HIS_TX_PKT_OK_CNT_REG);
 436         hw_stats->tx_err_fifo_empty
 437                 += dsaf_read_dev(ppe_cb, PPE_HIS_TX_PKT_EPT_CNT_REG);
 438         hw_stats->tx_err_checksum
 439                 += dsaf_read_dev(ppe_cb, PPE_HIS_TX_PKT_CS_FAIL_CNT_REG);
 440 }
 441
 442 int hns_ppe_get_sset_count(int stringset)
 443 {
 444         if (stringset == ETH_SS_STATS)
 445                 return ETH_PPE_STATIC_NUM;
 446         return 0;
 447 }
 448
 449 int hns_ppe_get_regs_count(void)
 450 {
 451         return ETH_PPE_DUMP_NUM;
 452 }
 453
 454 /**
 455  * hns_ppe_get_strings - get ppe srting
 456  * @ppe_cb: ppe device
 457  * @stringset: string set type
 458  * @data: output string
 459  */
 460 void hns_ppe_get_strings(struct hns_ppe_cb *ppe_cb, int stringset, u8 **data)
 461 {
 462         int index = ppe_cb->index;
 463
 464         ethtool_sprintf(data, "ppe%d_rx_sw_pkt", index);
 465         ethtool_sprintf(data, "ppe%d_rx_pkt_ok", index);
 466         ethtool_sprintf(data, "ppe%d_rx_drop_pkt_no_bd", index);
 467         ethtool_sprintf(data, "ppe%d_rx_alloc_buf_fail", index);
 468         ethtool_sprintf(data, "ppe%d_rx_alloc_buf_wait", index);
 469         ethtool_sprintf(data, "ppe%d_rx_pkt_drop_no_buf", index);
 470         ethtool_sprintf(data, "ppe%d_rx_pkt_err_fifo_full", index);
 471
 472         ethtool_sprintf(data, "ppe%d_tx_bd", index);
 473         ethtool_sprintf(data, "ppe%d_tx_pkt", index);
 474         ethtool_sprintf(data, "ppe%d_tx_pkt_ok", index);
 475         ethtool_sprintf(data, "ppe%d_tx_pkt_err_fifo_empty", index);
 476         ethtool_sprintf(data, "ppe%d_tx_pkt_err_csum_fail", index);
 477 }
 478
 479 void hns_ppe_get_stats(struct hns_ppe_cb *ppe_cb, u64 *data)
 480 {
 481         u64 *regs_buff = data;
 482         struct hns_ppe_hw_stats *hw_stats = &ppe_cb->hw_stats;
 483
 484         regs_buff[0] = hw_stats->rx_pkts_from_sw;
 485         regs_buff[1] = hw_stats->rx_pkts;
 486         regs_buff[2] = hw_stats->rx_drop_no_bd;
 487         regs_buff[3] = hw_stats->rx_alloc_buf_fail;
 488         regs_buff[4] = hw_stats->rx_alloc_buf_wait;
 489         regs_buff[5] = hw_stats->rx_drop_no_buf;
 490         regs_buff[6] = hw_stats->rx_err_fifo_full;
 491
 492         regs_buff[7] = hw_stats->tx_bd_form_rcb;
 493         regs_buff[8] = hw_stats->tx_pkts_from_rcb;
 494         regs_buff[9] = hw_stats->tx_pkts;
 495         regs_buff[10] = hw_stats->tx_err_fifo_empty;
 496         regs_buff[11] = hw_stats->tx_err_checksum;
 497 }
 498
 499 /**
 500  * hns_ppe_init - init ppe device
 501  * @dsaf_dev: dasf device
 502  * return 0 - success , negative --fail
 503  */
 504 int hns_ppe_init(struct dsaf_device *dsaf_dev)
 505 {
 506         int ret;
 507         int i;
 508
 509         for (i = 0; i < HNS_PPE_COM_NUM; i++) {
 510                 ret = hns_ppe_common_get_cfg(dsaf_dev, i);
 511                 if (ret)
 512                         goto get_cfg_fail;
 513
 514                 ret = hns_rcb_common_get_cfg(dsaf_dev, i);
 515                 if (ret)
 516                         goto get_cfg_fail;
 517
 518                 hns_ppe_get_cfg(dsaf_dev->ppe_common[i]);
 519
 520                 ret = hns_rcb_get_cfg(dsaf_dev->rcb_common[i]);
 521                 if (ret)
 522                         goto get_cfg_fail;
 523         }
 524
 525         for (i = 0; i < HNS_PPE_COM_NUM; i++)
 526                 hns_ppe_reset_common(dsaf_dev, i);
 527
 528         return 0;
 529
 530 get_cfg_fail:
 531         for (i = 0; i < HNS_PPE_COM_NUM; i++) {
 532                 hns_rcb_common_free_cfg(dsaf_dev, i);
 533                 hns_ppe_common_free_cfg(dsaf_dev, i);
 534         }
 535
 536         return ret;
 537 }
 538
 539 void hns_ppe_get_regs(struct hns_ppe_cb *ppe_cb, void *data)
 540 {
 541         struct ppe_common_cb *ppe_common = ppe_cb->ppe_common_cb;
 542         u32 *regs = data;
 543         u32 i;
 544         u32 offset;
 545
 546         /* ppe common registers */
 547         regs[0] = dsaf_read_dev(ppe_common, PPE_COM_CFG_QID_MODE_REG);
 548         regs[1] = dsaf_read_dev(ppe_common, PPE_COM_INTEN_REG);
 549         regs[2] = dsaf_read_dev(ppe_common, PPE_COM_RINT_REG);
 550         regs[3] = dsaf_read_dev(ppe_common, PPE_COM_INTSTS_REG);
 551         regs[4] = dsaf_read_dev(ppe_common, PPE_COM_COMMON_CNT_CLR_CE_REG);
 552
 553         for (i = 0; i < DSAF_TOTAL_QUEUE_NUM; i++) {
 554                 offset = PPE_COM_HIS_RX_PKT_QID_DROP_CNT_REG + 0x4 * i;
 555                 regs[5 + i] = dsaf_read_dev(ppe_common, offset);
 556                 offset = PPE_COM_HIS_RX_PKT_QID_OK_CNT_REG + 0x4 * i;
 557                 regs[5 + i + DSAF_TOTAL_QUEUE_NUM]
 558                                 = dsaf_read_dev(ppe_common, offset);
 559                 offset = PPE_COM_HIS_TX_PKT_QID_ERR_CNT_REG + 0x4 * i;
 560                 regs[5 + i + DSAF_TOTAL_QUEUE_NUM * 2]
 561                                 = dsaf_read_dev(ppe_common, offset);
 562                 offset = PPE_COM_HIS_TX_PKT_QID_OK_CNT_REG + 0x4 * i;
 563                 regs[5 + i + DSAF_TOTAL_QUEUE_NUM * 3]
 564                                 = dsaf_read_dev(ppe_common, offset);
 565         }
 566
 567         /* mark end of ppe regs */
 568         for (i = 521; i < 524; i++)
 569                 regs[i] = 0xeeeeeeee;
 570
 571         /* ppe channel registers */
 572         regs[525] = dsaf_read_dev(ppe_cb, PPE_CFG_TX_FIFO_THRSLD_REG);
 573         regs[526] = dsaf_read_dev(ppe_cb, PPE_CFG_RX_FIFO_THRSLD_REG);
 574         regs[527] = dsaf_read_dev(ppe_cb, PPE_CFG_RX_FIFO_PAUSE_THRSLD_REG);
 575         regs[528] = dsaf_read_dev(ppe_cb, PPE_CFG_RX_FIFO_SW_BP_THRSLD_REG);
 576         regs[529] = dsaf_read_dev(ppe_cb, PPE_CFG_PAUSE_IDLE_CNT_REG);
 577         regs[530] = dsaf_read_dev(ppe_cb, PPE_CFG_BUS_CTRL_REG);
 578         regs[531] = dsaf_read_dev(ppe_cb, PPE_CFG_TNL_TO_BE_RST_REG);
 579         regs[532] = dsaf_read_dev(ppe_cb, PPE_CURR_TNL_CAN_RST_REG);
 580
 581         regs[533] = dsaf_read_dev(ppe_cb, PPE_CFG_XGE_MODE_REG);
 582         regs[534] = dsaf_read_dev(ppe_cb, PPE_CFG_MAX_FRAME_LEN_REG);
 583         regs[535] = dsaf_read_dev(ppe_cb, PPE_CFG_RX_PKT_MODE_REG);
 584         regs[536] = dsaf_read_dev(ppe_cb, PPE_CFG_RX_VLAN_TAG_REG);
 585         regs[537] = dsaf_read_dev(ppe_cb, PPE_CFG_TAG_GEN_REG);
 586         regs[538] = dsaf_read_dev(ppe_cb, PPE_CFG_PARSE_TAG_REG);
 587         regs[539] = dsaf_read_dev(ppe_cb, PPE_CFG_PRO_CHECK_EN_REG);
 588
 589         regs[540] = dsaf_read_dev(ppe_cb, PPE_INTEN_REG);
 590         regs[541] = dsaf_read_dev(ppe_cb, PPE_RINT_REG);
 591         regs[542] = dsaf_read_dev(ppe_cb, PPE_INTSTS_REG);
 592         regs[543] = dsaf_read_dev(ppe_cb, PPE_CFG_RX_PKT_INT_REG);
 593
 594         regs[544] = dsaf_read_dev(ppe_cb, PPE_CFG_HEAT_DECT_TIME0_REG);
 595         regs[545] = dsaf_read_dev(ppe_cb, PPE_CFG_HEAT_DECT_TIME1_REG);
 596
 597         /* ppe static */
 598         regs[546] = dsaf_read_dev(ppe_cb, PPE_HIS_RX_SW_PKT_CNT_REG);
 599         regs[547] = dsaf_read_dev(ppe_cb, PPE_HIS_RX_WR_BD_OK_PKT_CNT_REG);
 600         regs[548] = dsaf_read_dev(ppe_cb, PPE_HIS_RX_PKT_NO_BUF_CNT_REG);
 601         regs[549] = dsaf_read_dev(ppe_cb, PPE_HIS_TX_BD_CNT_REG);
 602         regs[550] = dsaf_read_dev(ppe_cb, PPE_HIS_TX_PKT_CNT_REG);
 603         regs[551] = dsaf_read_dev(ppe_cb, PPE_HIS_TX_PKT_OK_CNT_REG);
 604         regs[552] = dsaf_read_dev(ppe_cb, PPE_HIS_TX_PKT_EPT_CNT_REG);
 605         regs[553] = dsaf_read_dev(ppe_cb, PPE_HIS_TX_PKT_CS_FAIL_CNT_REG);
 606         regs[554] = dsaf_read_dev(ppe_cb, PPE_HIS_RX_APP_BUF_FAIL_CNT_REG);
 607         regs[555] = dsaf_read_dev(ppe_cb, PPE_HIS_RX_APP_BUF_WAIT_CNT_REG);
 608         regs[556] = dsaf_read_dev(ppe_cb, PPE_HIS_RX_PKT_DROP_FUL_CNT_REG);
 609         regs[557] = dsaf_read_dev(ppe_cb, PPE_HIS_RX_PKT_DROP_PRT_CNT_REG);
 610
 611         regs[558] = dsaf_read_dev(ppe_cb, PPE_TNL_0_5_CNT_CLR_CE_REG);
 612         regs[559] = dsaf_read_dev(ppe_cb, PPE_CFG_AXI_DBG_REG);
 613         regs[560] = dsaf_read_dev(ppe_cb, PPE_HIS_PRO_ERR_REG);
 614         regs[561] = dsaf_read_dev(ppe_cb, PPE_HIS_TNL_FIFO_ERR_REG);
 615         regs[562] = dsaf_read_dev(ppe_cb, PPE_CURR_CFF_DATA_NUM_REG);
 616         regs[563] = dsaf_read_dev(ppe_cb, PPE_CURR_RX_ST_REG);
 617         regs[564] = dsaf_read_dev(ppe_cb, PPE_CURR_TX_ST_REG);
 618         regs[565] = dsaf_read_dev(ppe_cb, PPE_CURR_RX_FIFO0_REG);
 619         regs[566] = dsaf_read_dev(ppe_cb, PPE_CURR_RX_FIFO1_REG);
 620         regs[567] = dsaf_read_dev(ppe_cb, PPE_CURR_TX_FIFO0_REG);
 621         regs[568] = dsaf_read_dev(ppe_cb, PPE_CURR_TX_FIFO1_REG);
 622         regs[569] = dsaf_read_dev(ppe_cb, PPE_ECO0_REG);
 623         regs[570] = dsaf_read_dev(ppe_cb, PPE_ECO1_REG);
 624         regs[571] = dsaf_read_dev(ppe_cb, PPE_ECO2_REG);
 625
 626         /* mark end of ppe regs */
 627         for (i = 572; i < 576; i++)
 628                 regs[i] = 0xeeeeeeee;
 629 }