ceph/src/spdk/dpdk/drivers/raw/ifpga_rawdev/ifpga_rawdev.c

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2010-2018 Intel Corporation
   3  */
   4
   5 #include <string.h>
   6 #include <dirent.h>
   7 #include <sys/stat.h>
   8 #include <unistd.h>
   9 #include <sys/types.h>
  10 #include <fcntl.h>
  11 #include <rte_log.h>
  12 #include <rte_bus.h>
  13 #include <rte_eal_memconfig.h>
  14 #include <rte_malloc.h>
  15 #include <rte_devargs.h>
  16 #include <rte_memcpy.h>
  17 #include <rte_pci.h>
  18 #include <rte_bus_pci.h>
  19 #include <rte_kvargs.h>
  20 #include <rte_alarm.h>
  21
  22 #include <rte_errno.h>
  23 #include <rte_per_lcore.h>
  24 #include <rte_memory.h>
  25 #include <rte_memzone.h>
  26 #include <rte_eal.h>
  27 #include <rte_common.h>
  28 #include <rte_bus_vdev.h>
  29
  30 #include "base/opae_hw_api.h"
  31 #include "rte_rawdev.h"
  32 #include "rte_rawdev_pmd.h"
  33 #include "rte_bus_ifpga.h"
  34 #include "ifpga_common.h"
  35 #include "ifpga_logs.h"
  36 #include "ifpga_rawdev.h"
  37 #include "ipn3ke_rawdev_api.h"
  38
  39 int ifpga_rawdev_logtype;
  40
  41 #define PCI_VENDOR_ID_INTEL          0x8086
  42 /* PCI Device ID */
  43 #define PCIE_DEVICE_ID_PF_INT_5_X    0xBCBD
  44 #define PCIE_DEVICE_ID_PF_INT_6_X    0xBCC0
  45 #define PCIE_DEVICE_ID_PF_DSC_1_X    0x09C4
  46 #define PCIE_DEVICE_ID_PAC_N3000     0x0B30
  47 /* VF Device */
  48 #define PCIE_DEVICE_ID_VF_INT_5_X    0xBCBF
  49 #define PCIE_DEVICE_ID_VF_INT_6_X    0xBCC1
  50 #define PCIE_DEVICE_ID_VF_DSC_1_X    0x09C5
  51 #define PCIE_DEVICE_ID_VF_PAC_N3000  0x0B31
  52 #define RTE_MAX_RAW_DEVICE           10
  53
  54 static const struct rte_pci_id pci_ifpga_map[] = {
  55         { RTE_PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCIE_DEVICE_ID_PF_INT_5_X) },
  56         { RTE_PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCIE_DEVICE_ID_VF_INT_5_X) },
  57         { RTE_PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCIE_DEVICE_ID_PF_INT_6_X) },
  58         { RTE_PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCIE_DEVICE_ID_VF_INT_6_X) },
  59         { RTE_PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCIE_DEVICE_ID_PF_DSC_1_X) },
  60         { RTE_PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCIE_DEVICE_ID_VF_DSC_1_X) },
  61         { RTE_PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCIE_DEVICE_ID_PAC_N3000),},
  62         { RTE_PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCIE_DEVICE_ID_VF_PAC_N3000),},
  63         { .vendor_id = 0, /* sentinel */ },
  64 };
  65
  66 static int
  67 ifpga_fill_afu_dev(struct opae_accelerator *acc,
  68                 struct rte_afu_device *afu_dev)
  69 {
  70         struct rte_mem_resource *res = afu_dev->mem_resource;
  71         struct opae_acc_region_info region_info;
  72         struct opae_acc_info info;
  73         unsigned long i;
  74         int ret;
  75
  76         ret = opae_acc_get_info(acc, &info);
  77         if (ret)
  78                 return ret;
  79
  80         if (info.num_regions > PCI_MAX_RESOURCE)
  81                 return -EFAULT;
  82
  83         afu_dev->num_region = info.num_regions;
  84
  85         for (i = 0; i < info.num_regions; i++) {
  86                 region_info.index = i;
  87                 ret = opae_acc_get_region_info(acc, &region_info);
  88                 if (ret)
  89                         return ret;
  90
  91                 if ((region_info.flags & ACC_REGION_MMIO) &&
  92                     (region_info.flags & ACC_REGION_READ) &&
  93                     (region_info.flags & ACC_REGION_WRITE)) {
  94                         res[i].phys_addr = region_info.phys_addr;
  95                         res[i].len = region_info.len;
  96                         res[i].addr = region_info.addr;
  97                 } else
  98                         return -EFAULT;
  99         }
 100
 101         return 0;
 102 }
 103
 104 static void
 105 ifpga_rawdev_info_get(struct rte_rawdev *dev,
 106                                      rte_rawdev_obj_t dev_info)
 107 {
 108         struct opae_adapter *adapter;
 109         struct opae_accelerator *acc;
 110         struct rte_afu_device *afu_dev;
 111         struct opae_manager *mgr = NULL;
 112         struct opae_eth_group_region_info opae_lside_eth_info;
 113         struct opae_eth_group_region_info opae_nside_eth_info;
 114         int lside_bar_idx, nside_bar_idx;
 115
 116         IFPGA_RAWDEV_PMD_FUNC_TRACE();
 117
 118         if (!dev_info) {
 119                 IFPGA_RAWDEV_PMD_ERR("Invalid request");
 120                 return;
 121         }
 122
 123         adapter = ifpga_rawdev_get_priv(dev);
 124         if (!adapter)
 125                 return;
 126
 127         afu_dev = dev_info;
 128         afu_dev->rawdev = dev;
 129
 130         /* find opae_accelerator and fill info into afu_device */
 131         opae_adapter_for_each_acc(adapter, acc) {
 132                 if (acc->index != afu_dev->id.port)
 133                         continue;
 134
 135                 if (ifpga_fill_afu_dev(acc, afu_dev)) {
 136                         IFPGA_RAWDEV_PMD_ERR("cannot get info\n");
 137                         return;
 138                 }
 139         }
 140
 141         /* get opae_manager to rawdev */
 142         mgr = opae_adapter_get_mgr(adapter);
 143         if (mgr) {
 144                 /* get LineSide BAR Index */
 145                 if (opae_manager_get_eth_group_region_info(mgr, 0,
 146                         &opae_lside_eth_info)) {
 147                         return;
 148                 }
 149                 lside_bar_idx = opae_lside_eth_info.mem_idx;
 150
 151                 /* get NICSide BAR Index */
 152                 if (opae_manager_get_eth_group_region_info(mgr, 1,
 153                         &opae_nside_eth_info)) {
 154                         return;
 155                 }
 156                 nside_bar_idx = opae_nside_eth_info.mem_idx;
 157
 158                 if (lside_bar_idx >= PCI_MAX_RESOURCE ||
 159                         nside_bar_idx >= PCI_MAX_RESOURCE ||
 160                         lside_bar_idx == nside_bar_idx)
 161                         return;
 162
 163                 /* fill LineSide BAR Index */
 164                 afu_dev->mem_resource[lside_bar_idx].phys_addr =
 165                         opae_lside_eth_info.phys_addr;
 166                 afu_dev->mem_resource[lside_bar_idx].len =
 167                         opae_lside_eth_info.len;
 168                 afu_dev->mem_resource[lside_bar_idx].addr =
 169                         opae_lside_eth_info.addr;
 170
 171                 /* fill NICSide BAR Index */
 172                 afu_dev->mem_resource[nside_bar_idx].phys_addr =
 173                         opae_nside_eth_info.phys_addr;
 174                 afu_dev->mem_resource[nside_bar_idx].len =
 175                         opae_nside_eth_info.len;
 176                 afu_dev->mem_resource[nside_bar_idx].addr =
 177                         opae_nside_eth_info.addr;
 178         }
 179 }
 180
 181 static int
 182 ifpga_rawdev_configure(const struct rte_rawdev *dev,
 183                 rte_rawdev_obj_t config)
 184 {
 185         IFPGA_RAWDEV_PMD_FUNC_TRACE();
 186
 187         RTE_FUNC_PTR_OR_ERR_RET(dev, -EINVAL);
 188
 189         return config ? 0 : 1;
 190 }
 191
 192 static int
 193 ifpga_rawdev_start(struct rte_rawdev *dev)
 194 {
 195         int ret = 0;
 196         struct opae_adapter *adapter;
 197
 198         IFPGA_RAWDEV_PMD_FUNC_TRACE();
 199
 200         RTE_FUNC_PTR_OR_ERR_RET(dev, -EINVAL);
 201
 202         adapter = ifpga_rawdev_get_priv(dev);
 203         if (!adapter)
 204                 return -ENODEV;
 205
 206         return ret;
 207 }
 208
 209 static void
 210 ifpga_rawdev_stop(struct rte_rawdev *dev)
 211 {
 212         dev->started = 0;
 213 }
 214
 215 static int
 216 ifpga_rawdev_close(struct rte_rawdev *dev)
 217 {
 218         return dev ? 0:1;
 219 }
 220
 221 static int
 222 ifpga_rawdev_reset(struct rte_rawdev *dev)
 223 {
 224         return dev ? 0:1;
 225 }
 226
 227 static int
 228 fpga_pr(struct rte_rawdev *raw_dev, u32 port_id, u64 *buffer, u32 size,
 229                         u64 *status)
 230 {
 231
 232         struct opae_adapter *adapter;
 233         struct opae_manager *mgr;
 234         struct opae_accelerator *acc;
 235         struct opae_bridge *br;
 236         int ret;
 237
 238         adapter = ifpga_rawdev_get_priv(raw_dev);
 239         if (!adapter)
 240                 return -ENODEV;
 241
 242         mgr = opae_adapter_get_mgr(adapter);
 243         if (!mgr)
 244                 return -ENODEV;
 245
 246         acc = opae_adapter_get_acc(adapter, port_id);
 247         if (!acc)
 248                 return -ENODEV;
 249
 250         br = opae_acc_get_br(acc);
 251         if (!br)
 252                 return -ENODEV;
 253
 254         ret = opae_manager_flash(mgr, port_id, buffer, size, status);
 255         if (ret) {
 256                 IFPGA_RAWDEV_PMD_ERR("%s pr error %d\n", __func__, ret);
 257                 return ret;
 258         }
 259
 260         ret = opae_bridge_reset(br);
 261         if (ret) {
 262                 IFPGA_RAWDEV_PMD_ERR("%s reset port:%d error %d\n",
 263                                 __func__, port_id, ret);
 264                 return ret;
 265         }
 266
 267         return ret;
 268 }
 269
 270 static int
 271 rte_fpga_do_pr(struct rte_rawdev *rawdev, int port_id,
 272                 const char *file_name)
 273 {
 274         struct stat file_stat;
 275         int file_fd;
 276         int ret = 0;
 277         ssize_t buffer_size;
 278         void *buffer;
 279         u64 pr_error;
 280
 281         if (!file_name)
 282                 return -EINVAL;
 283
 284         file_fd = open(file_name, O_RDONLY);
 285         if (file_fd < 0) {
 286                 IFPGA_RAWDEV_PMD_ERR("%s: open file error: %s\n",
 287                                 __func__, file_name);
 288                 IFPGA_RAWDEV_PMD_ERR("Message : %s\n", strerror(errno));
 289                 return -EINVAL;
 290         }
 291         ret = stat(file_name, &file_stat);
 292         if (ret) {
 293                 IFPGA_RAWDEV_PMD_ERR("stat on bitstream file failed: %s\n",
 294                                 file_name);
 295                 ret = -EINVAL;
 296                 goto close_fd;
 297         }
 298         buffer_size = file_stat.st_size;
 299         IFPGA_RAWDEV_PMD_INFO("bitstream file size: %zu\n", buffer_size);
 300         buffer = rte_malloc(NULL, buffer_size, 0);
 301         if (!buffer) {
 302                 ret = -ENOMEM;
 303                 goto close_fd;
 304         }
 305
 306         /*read the raw data*/
 307         if (buffer_size != read(file_fd, (void *)buffer, buffer_size)) {
 308                 ret = -EINVAL;
 309                 goto free_buffer;
 310         }
 311
 312         /*do PR now*/
 313         ret = fpga_pr(rawdev, port_id, buffer, buffer_size, &pr_error);
 314         IFPGA_RAWDEV_PMD_INFO("downloading to device port %d....%s.\n", port_id,
 315                 ret ? "failed" : "success");
 316         if (ret) {
 317                 ret = -EINVAL;
 318                 goto free_buffer;
 319         }
 320
 321 free_buffer:
 322         if (buffer)
 323                 rte_free(buffer);
 324 close_fd:
 325         close(file_fd);
 326         file_fd = 0;
 327         return ret;
 328 }
 329
 330 static int
 331 ifpga_rawdev_pr(struct rte_rawdev *dev,
 332         rte_rawdev_obj_t pr_conf)
 333 {
 334         struct opae_adapter *adapter;
 335         struct rte_afu_pr_conf *afu_pr_conf;
 336         int ret;
 337         struct uuid uuid;
 338         struct opae_accelerator *acc;
 339
 340         IFPGA_RAWDEV_PMD_FUNC_TRACE();
 341
 342         adapter = ifpga_rawdev_get_priv(dev);
 343         if (!adapter)
 344                 return -ENODEV;
 345
 346         if (!pr_conf)
 347                 return -EINVAL;
 348
 349         afu_pr_conf = pr_conf;
 350
 351         if (afu_pr_conf->pr_enable) {
 352                 ret = rte_fpga_do_pr(dev,
 353                                 afu_pr_conf->afu_id.port,
 354                                 afu_pr_conf->bs_path);
 355                 if (ret) {
 356                         IFPGA_RAWDEV_PMD_ERR("do pr error %d\n", ret);
 357                         return ret;
 358                 }
 359         }
 360
 361         acc = opae_adapter_get_acc(adapter, afu_pr_conf->afu_id.port);
 362         if (!acc)
 363                 return -ENODEV;
 364
 365         ret = opae_acc_get_uuid(acc, &uuid);
 366         if (ret)
 367                 return ret;
 368
 369         memcpy(&afu_pr_conf->afu_id.uuid.uuid_low, uuid.b, sizeof(u64));
 370         memcpy(&afu_pr_conf->afu_id.uuid.uuid_high, uuid.b + 8, sizeof(u64));
 371
 372         IFPGA_RAWDEV_PMD_INFO("%s: uuid_l=0x%lx, uuid_h=0x%lx\n", __func__,
 373                 (unsigned long)afu_pr_conf->afu_id.uuid.uuid_low,
 374                 (unsigned long)afu_pr_conf->afu_id.uuid.uuid_high);
 375
 376         return 0;
 377 }
 378
 379 static int
 380 ifpga_rawdev_get_attr(struct rte_rawdev *dev,
 381         const char *attr_name, uint64_t *attr_value)
 382 {
 383         struct opae_adapter *adapter;
 384         struct opae_manager *mgr;
 385         struct opae_retimer_info opae_rtm_info;
 386         struct opae_retimer_status opae_rtm_status;
 387         struct opae_eth_group_info opae_eth_grp_info;
 388         struct opae_eth_group_region_info opae_eth_grp_reg_info;
 389         int eth_group_num = 0;
 390         uint64_t port_link_bitmap = 0, port_link_bit;
 391         uint32_t i, j, p, q;
 392
 393 #define MAX_PORT_PER_RETIMER    4
 394
 395         IFPGA_RAWDEV_PMD_FUNC_TRACE();
 396
 397         if (!dev || !attr_name || !attr_value) {
 398                 IFPGA_RAWDEV_PMD_ERR("Invalid arguments for getting attributes");
 399                 return -1;
 400         }
 401
 402         adapter = ifpga_rawdev_get_priv(dev);
 403         if (!adapter) {
 404                 IFPGA_RAWDEV_PMD_ERR("Adapter of dev %s is NULL", dev->name);
 405                 return -1;
 406         }
 407
 408         mgr = opae_adapter_get_mgr(adapter);
 409         if (!mgr) {
 410                 IFPGA_RAWDEV_PMD_ERR("opae_manager of opae_adapter is NULL");
 411                 return -1;
 412         }
 413
 414         /* currently, eth_group_num is always 2 */
 415         eth_group_num = opae_manager_get_eth_group_nums(mgr);
 416         if (eth_group_num < 0)
 417                 return -1;
 418
 419         if (!strcmp(attr_name, "LineSideBaseMAC")) {
 420                 /* Currently FPGA not implement, so just set all zeros*/
 421                 *attr_value = (uint64_t)0;
 422                 return 0;
 423         }
 424         if (!strcmp(attr_name, "LineSideMACType")) {
 425                 /* eth_group 0 on FPGA connect to LineSide */
 426                 if (opae_manager_get_eth_group_info(mgr, 0,
 427                         &opae_eth_grp_info))
 428                         return -1;
 429                 switch (opae_eth_grp_info.speed) {
 430                 case ETH_SPEED_10G:
 431                         *attr_value =
 432                         (uint64_t)(IFPGA_RAWDEV_RETIMER_MAC_TYPE_10GE_XFI);
 433                         break;
 434                 case ETH_SPEED_25G:
 435                         *attr_value =
 436                         (uint64_t)(IFPGA_RAWDEV_RETIMER_MAC_TYPE_25GE_25GAUI);
 437                         break;
 438                 default:
 439                         *attr_value =
 440                         (uint64_t)(IFPGA_RAWDEV_RETIMER_MAC_TYPE_UNKNOWN);
 441                         break;
 442                 }
 443                 return 0;
 444         }
 445         if (!strcmp(attr_name, "LineSideLinkSpeed")) {
 446                 if (opae_manager_get_retimer_status(mgr, &opae_rtm_status))
 447                         return -1;
 448                 switch (opae_rtm_status.speed) {
 449                 case MXD_1GB:
 450                         *attr_value =
 451                                 (uint64_t)(IFPGA_RAWDEV_LINK_SPEED_UNKNOWN);
 452                         break;
 453                 case MXD_2_5GB:
 454                         *attr_value =
 455                                 (uint64_t)(IFPGA_RAWDEV_LINK_SPEED_UNKNOWN);
 456                         break;
 457                 case MXD_5GB:
 458                         *attr_value =
 459                                 (uint64_t)(IFPGA_RAWDEV_LINK_SPEED_UNKNOWN);
 460                         break;
 461                 case MXD_10GB:
 462                         *attr_value =
 463                                 (uint64_t)(IFPGA_RAWDEV_LINK_SPEED_10GB);
 464                         break;
 465                 case MXD_25GB:
 466                         *attr_value =
 467                                 (uint64_t)(IFPGA_RAWDEV_LINK_SPEED_25GB);
 468                         break;
 469                 case MXD_40GB:
 470                         *attr_value =
 471                                 (uint64_t)(IFPGA_RAWDEV_LINK_SPEED_40GB);
 472                         break;
 473                 case MXD_100GB:
 474                         *attr_value =
 475                                 (uint64_t)(IFPGA_RAWDEV_LINK_SPEED_UNKNOWN);
 476                         break;
 477                 case MXD_SPEED_UNKNOWN:
 478                         *attr_value =
 479                                 (uint64_t)(IFPGA_RAWDEV_LINK_SPEED_UNKNOWN);
 480                         break;
 481                 default:
 482                         *attr_value =
 483                                 (uint64_t)(IFPGA_RAWDEV_LINK_SPEED_UNKNOWN);
 484                         break;
 485                 }
 486                 return 0;
 487         }
 488         if (!strcmp(attr_name, "LineSideLinkRetimerNum")) {
 489                 if (opae_manager_get_retimer_info(mgr, &opae_rtm_info))
 490                         return -1;
 491                 *attr_value = (uint64_t)(opae_rtm_info.nums_retimer);
 492                 return 0;
 493         }
 494         if (!strcmp(attr_name, "LineSideLinkPortNum")) {
 495                 if (opae_manager_get_retimer_info(mgr, &opae_rtm_info))
 496                         return -1;
 497                 uint64_t tmp = opae_rtm_info.ports_per_retimer *
 498                         opae_rtm_info.nums_retimer;
 499                 *attr_value = tmp;
 500                 return 0;
 501         }
 502         if (!strcmp(attr_name, "LineSideLinkStatus")) {
 503                 if (opae_manager_get_retimer_info(mgr, &opae_rtm_info))
 504                         return -1;
 505                 if (opae_manager_get_retimer_status(mgr, &opae_rtm_status))
 506                         return -1;
 507                 (*attr_value) = 0;
 508                 q = 0;
 509                 port_link_bitmap = (uint64_t)(opae_rtm_status.line_link_bitmap);
 510                 for (i = 0; i < opae_rtm_info.nums_retimer; i++) {
 511                         p = i * MAX_PORT_PER_RETIMER;
 512                         for (j = 0; j < opae_rtm_info.ports_per_retimer; j++) {
 513                                 port_link_bit = 0;
 514                                 IFPGA_BIT_SET(port_link_bit, (p+j));
 515                                 port_link_bit &= port_link_bitmap;
 516                                 if (port_link_bit)
 517                                         IFPGA_BIT_SET((*attr_value), q);
 518                                 q++;
 519                         }
 520                 }
 521                 return 0;
 522         }
 523         if (!strcmp(attr_name, "LineSideBARIndex")) {
 524                 /* eth_group 0 on FPGA connect to LineSide */
 525                 if (opae_manager_get_eth_group_region_info(mgr, 0,
 526                         &opae_eth_grp_reg_info))
 527                         return -1;
 528                 *attr_value = (uint64_t)opae_eth_grp_reg_info.mem_idx;
 529                 return 0;
 530         }
 531         if (!strcmp(attr_name, "NICSideMACType")) {
 532                 /* eth_group 1 on FPGA connect to NicSide */
 533                 if (opae_manager_get_eth_group_info(mgr, 1,
 534                         &opae_eth_grp_info))
 535                         return -1;
 536                 *attr_value = (uint64_t)(opae_eth_grp_info.speed);
 537                 return 0;
 538         }
 539         if (!strcmp(attr_name, "NICSideLinkSpeed")) {
 540                 /* eth_group 1 on FPGA connect to NicSide */
 541                 if (opae_manager_get_eth_group_info(mgr, 1,
 542                         &opae_eth_grp_info))
 543                         return -1;
 544                 *attr_value = (uint64_t)(opae_eth_grp_info.speed);
 545                 return 0;
 546         }
 547         if (!strcmp(attr_name, "NICSideLinkPortNum")) {
 548                 if (opae_manager_get_retimer_info(mgr, &opae_rtm_info))
 549                         return -1;
 550                 uint64_t tmp = opae_rtm_info.nums_fvl *
 551                                         opae_rtm_info.ports_per_fvl;
 552                 *attr_value = tmp;
 553                 return 0;
 554         }
 555         if (!strcmp(attr_name, "NICSideLinkStatus"))
 556                 return 0;
 557         if (!strcmp(attr_name, "NICSideBARIndex")) {
 558                 /* eth_group 1 on FPGA connect to NicSide */
 559                 if (opae_manager_get_eth_group_region_info(mgr, 1,
 560                         &opae_eth_grp_reg_info))
 561                         return -1;
 562                 *attr_value = (uint64_t)opae_eth_grp_reg_info.mem_idx;
 563                 return 0;
 564         }
 565
 566         IFPGA_RAWDEV_PMD_ERR("%s not support", attr_name);
 567         return -1;
 568 }
 569
 570 static const struct rte_rawdev_ops ifpga_rawdev_ops = {
 571         .dev_info_get = ifpga_rawdev_info_get,
 572         .dev_configure = ifpga_rawdev_configure,
 573         .dev_start = ifpga_rawdev_start,
 574         .dev_stop = ifpga_rawdev_stop,
 575         .dev_close = ifpga_rawdev_close,
 576         .dev_reset = ifpga_rawdev_reset,
 577
 578         .queue_def_conf = NULL,
 579         .queue_setup = NULL,
 580         .queue_release = NULL,
 581
 582         .attr_get = ifpga_rawdev_get_attr,
 583         .attr_set = NULL,
 584
 585         .enqueue_bufs = NULL,
 586         .dequeue_bufs = NULL,
 587
 588         .dump = NULL,
 589
 590         .xstats_get = NULL,
 591         .xstats_get_names = NULL,
 592         .xstats_get_by_name = NULL,
 593         .xstats_reset = NULL,
 594
 595         .firmware_status_get = NULL,
 596         .firmware_version_get = NULL,
 597         .firmware_load = ifpga_rawdev_pr,
 598         .firmware_unload = NULL,
 599
 600         .dev_selftest = NULL,
 601 };
 602
 603 static int
 604 ifpga_rawdev_create(struct rte_pci_device *pci_dev,
 605                         int socket_id)
 606 {
 607         int ret = 0;
 608         struct rte_rawdev *rawdev = NULL;
 609         struct opae_adapter *adapter = NULL;
 610         struct opae_manager *mgr = NULL;
 611         struct opae_adapter_data_pci *data = NULL;
 612         char name[RTE_RAWDEV_NAME_MAX_LEN];
 613         int i;
 614
 615         if (!pci_dev) {
 616                 IFPGA_RAWDEV_PMD_ERR("Invalid pci_dev of the device!");
 617                 ret = -EINVAL;
 618                 goto cleanup;
 619         }
 620
 621         memset(name, 0, sizeof(name));
 622         snprintf(name, RTE_RAWDEV_NAME_MAX_LEN, "IFPGA:%x:%02x.%x",
 623                 pci_dev->addr.bus, pci_dev->addr.devid, pci_dev->addr.function);
 624
 625         IFPGA_RAWDEV_PMD_INFO("Init %s on NUMA node %d", name, rte_socket_id());
 626
 627         /* Allocate device structure */
 628         rawdev = rte_rawdev_pmd_allocate(name, sizeof(struct opae_adapter),
 629                                          socket_id);
 630         if (rawdev == NULL) {
 631                 IFPGA_RAWDEV_PMD_ERR("Unable to allocate rawdevice");
 632                 ret = -EINVAL;
 633                 goto cleanup;
 634         }
 635
 636         /* alloc OPAE_FPGA_PCI data to register to OPAE hardware level API */
 637         data = opae_adapter_data_alloc(OPAE_FPGA_PCI);
 638         if (!data) {
 639                 ret = -ENOMEM;
 640                 goto cleanup;
 641         }
 642
 643         /* init opae_adapter_data_pci for device specific information */
 644         for (i = 0; i < PCI_MAX_RESOURCE; i++) {
 645                 data->region[i].phys_addr = pci_dev->mem_resource[i].phys_addr;
 646                 data->region[i].len = pci_dev->mem_resource[i].len;
 647                 data->region[i].addr = pci_dev->mem_resource[i].addr;
 648         }
 649         data->device_id = pci_dev->id.device_id;
 650         data->vendor_id = pci_dev->id.vendor_id;
 651
 652         adapter = rawdev->dev_private;
 653         /* create a opae_adapter based on above device data */
 654         ret = opae_adapter_init(adapter, pci_dev->device.name, data);
 655         if (ret) {
 656                 ret = -ENOMEM;
 657                 goto free_adapter_data;
 658         }
 659
 660         rawdev->dev_ops = &ifpga_rawdev_ops;
 661         rawdev->device = &pci_dev->device;
 662         rawdev->driver_name = pci_dev->driver->driver.name;
 663
 664         /* must enumerate the adapter before use it */
 665         ret = opae_adapter_enumerate(adapter);
 666         if (ret)
 667                 goto free_adapter_data;
 668
 669         /* get opae_manager to rawdev */
 670         mgr = opae_adapter_get_mgr(adapter);
 671         if (mgr) {
 672                 /* PF function */
 673                 IFPGA_RAWDEV_PMD_INFO("this is a PF function");
 674         }
 675
 676         return ret;
 677
 678 free_adapter_data:
 679         if (data)
 680                 opae_adapter_data_free(data);
 681 cleanup:
 682         if (rawdev)
 683                 rte_rawdev_pmd_release(rawdev);
 684
 685         return ret;
 686 }
 687
 688 static int
 689 ifpga_rawdev_destroy(struct rte_pci_device *pci_dev)
 690 {
 691         int ret;
 692         struct rte_rawdev *rawdev;
 693         char name[RTE_RAWDEV_NAME_MAX_LEN];
 694         struct opae_adapter *adapter;
 695
 696         if (!pci_dev) {
 697                 IFPGA_RAWDEV_PMD_ERR("Invalid pci_dev of the device!");
 698                 ret = -EINVAL;
 699                 return ret;
 700         }
 701
 702         memset(name, 0, sizeof(name));
 703         snprintf(name, RTE_RAWDEV_NAME_MAX_LEN, "IFPGA:%x:%02x.%x",
 704                 pci_dev->addr.bus, pci_dev->addr.devid, pci_dev->addr.function);
 705
 706         IFPGA_RAWDEV_PMD_INFO("Closing %s on NUMA node %d",
 707                 name, rte_socket_id());
 708
 709         rawdev = rte_rawdev_pmd_get_named_dev(name);
 710         if (!rawdev) {
 711                 IFPGA_RAWDEV_PMD_ERR("Invalid device name (%s)", name);
 712                 return -EINVAL;
 713         }
 714
 715         adapter = ifpga_rawdev_get_priv(rawdev);
 716         if (!adapter)
 717                 return -ENODEV;
 718
 719         opae_adapter_data_free(adapter->data);
 720         opae_adapter_free(adapter);
 721
 722         /* rte_rawdev_close is called by pmd_release */
 723         ret = rte_rawdev_pmd_release(rawdev);
 724         if (ret)
 725                 IFPGA_RAWDEV_PMD_DEBUG("Device cleanup failed");
 726
 727         return ret;
 728 }
 729
 730 static int
 731 ifpga_rawdev_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
 732         struct rte_pci_device *pci_dev)
 733 {
 734         IFPGA_RAWDEV_PMD_FUNC_TRACE();
 735         return ifpga_rawdev_create(pci_dev, rte_socket_id());
 736 }
 737
 738 static int
 739 ifpga_rawdev_pci_remove(struct rte_pci_device *pci_dev)
 740 {
 741         return ifpga_rawdev_destroy(pci_dev);
 742 }
 743
 744 static struct rte_pci_driver rte_ifpga_rawdev_pmd = {
 745         .id_table  = pci_ifpga_map,
 746         .drv_flags = RTE_PCI_DRV_NEED_MAPPING,
 747         .probe     = ifpga_rawdev_pci_probe,
 748         .remove    = ifpga_rawdev_pci_remove,
 749 };
 750
 751 RTE_PMD_REGISTER_PCI(ifpga_rawdev_pci_driver, rte_ifpga_rawdev_pmd);
 752 RTE_PMD_REGISTER_PCI_TABLE(ifpga_rawdev_pci_driver, rte_ifpga_rawdev_pmd);
 753 RTE_PMD_REGISTER_KMOD_DEP(ifpga_rawdev_pci_driver, "* igb_uio | uio_pci_generic | vfio-pci");
 754
 755 RTE_INIT(ifpga_rawdev_init_log)
 756 {
 757         ifpga_rawdev_logtype = rte_log_register("driver.raw.init");
 758         if (ifpga_rawdev_logtype >= 0)
 759                 rte_log_set_level(ifpga_rawdev_logtype, RTE_LOG_NOTICE);
 760 }
 761
 762 static const char * const valid_args[] = {
 763 #define IFPGA_ARG_NAME         "ifpga"
 764         IFPGA_ARG_NAME,
 765 #define IFPGA_ARG_PORT         "port"
 766         IFPGA_ARG_PORT,
 767 #define IFPGA_AFU_BTS          "afu_bts"
 768         IFPGA_AFU_BTS,
 769         NULL
 770 };
 771
 772 static int
 773 ifpga_cfg_probe(struct rte_vdev_device *dev)
 774 {
 775         struct rte_devargs *devargs;
 776         struct rte_kvargs *kvlist = NULL;
 777         int port;
 778         char *name = NULL;
 779         char dev_name[RTE_RAWDEV_NAME_MAX_LEN];
 780         int ret = -1;
 781
 782         devargs = dev->device.devargs;
 783
 784         kvlist = rte_kvargs_parse(devargs->args, valid_args);
 785         if (!kvlist) {
 786                 IFPGA_RAWDEV_PMD_LOG(ERR, "error when parsing param");
 787                 goto end;
 788         }
 789
 790         if (rte_kvargs_count(kvlist, IFPGA_ARG_NAME) == 1) {
 791                 if (rte_kvargs_process(kvlist, IFPGA_ARG_NAME,
 792                                        &rte_ifpga_get_string_arg, &name) < 0) {
 793                         IFPGA_RAWDEV_PMD_ERR("error to parse %s",
 794                                      IFPGA_ARG_NAME);
 795                         goto end;
 796                 }
 797         } else {
 798                 IFPGA_RAWDEV_PMD_ERR("arg %s is mandatory for ifpga bus",
 799                           IFPGA_ARG_NAME);
 800                 goto end;
 801         }
 802
 803         if (rte_kvargs_count(kvlist, IFPGA_ARG_PORT) == 1) {
 804                 if (rte_kvargs_process(kvlist,
 805                         IFPGA_ARG_PORT,
 806                         &rte_ifpga_get_integer32_arg,
 807                         &port) < 0) {
 808                         IFPGA_RAWDEV_PMD_ERR("error to parse %s",
 809                                 IFPGA_ARG_PORT);
 810                         goto end;
 811                 }
 812         } else {
 813                 IFPGA_RAWDEV_PMD_ERR("arg %s is mandatory for ifpga bus",
 814                           IFPGA_ARG_PORT);
 815                 goto end;
 816         }
 817
 818         memset(dev_name, 0, sizeof(dev_name));
 819         snprintf(dev_name, RTE_RAWDEV_NAME_MAX_LEN, "%d|%s",
 820         port, name);
 821
 822         ret = rte_eal_hotplug_add(RTE_STR(IFPGA_BUS_NAME),
 823                         dev_name, devargs->args);
 824 end:
 825         if (kvlist)
 826                 rte_kvargs_free(kvlist);
 827         if (name)
 828                 free(name);
 829
 830         return ret;
 831 }
 832
 833 static int
 834 ifpga_cfg_remove(struct rte_vdev_device *vdev)
 835 {
 836         IFPGA_RAWDEV_PMD_INFO("Remove ifpga_cfg %p",
 837                 vdev);
 838
 839         return 0;
 840 }
 841
 842 static struct rte_vdev_driver ifpga_cfg_driver = {
 843         .probe = ifpga_cfg_probe,
 844         .remove = ifpga_cfg_remove,
 845 };
 846
 847 RTE_PMD_REGISTER_VDEV(ifpga_rawdev_cfg, ifpga_cfg_driver);
 848 RTE_PMD_REGISTER_ALIAS(ifpga_rawdev_cfg, ifpga_cfg);
 849 RTE_PMD_REGISTER_PARAM_STRING(ifpga_rawdev_cfg,
 850         "ifpga=<string> "
 851         "port=<int> "
 852         "afu_bts=<path>");