drivers/raw/ioat/ioat_rawdev.c

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2019 Intel Corporation
   3  */
   4
   5 #include <rte_bus_pci.h>
   6 #include <rte_rawdev_pmd.h>
   7
   8 #include "rte_ioat_rawdev.h"
   9
  10 /* Dynamic log type identifier */
  11 int ioat_pmd_logtype;
  12
  13 static struct rte_pci_driver ioat_pmd_drv;
  14
  15 #define IOAT_VENDOR_ID          0x8086
  16 #define IOAT_DEVICE_ID_SKX      0x2021
  17 #define IOAT_DEVICE_ID_BDX0     0x6f20
  18 #define IOAT_DEVICE_ID_BDX1     0x6f21
  19 #define IOAT_DEVICE_ID_BDX2     0x6f22
  20 #define IOAT_DEVICE_ID_BDX3     0x6f23
  21 #define IOAT_DEVICE_ID_BDX4     0x6f24
  22 #define IOAT_DEVICE_ID_BDX5     0x6f25
  23 #define IOAT_DEVICE_ID_BDX6     0x6f26
  24 #define IOAT_DEVICE_ID_BDX7     0x6f27
  25 #define IOAT_DEVICE_ID_BDXE     0x6f2E
  26 #define IOAT_DEVICE_ID_BDXF     0x6f2F
  27
  28 #define IOAT_PMD_LOG(level, fmt, args...) rte_log(RTE_LOG_ ## level, \
  29         ioat_pmd_logtype, "%s(): " fmt "\n", __func__, ##args)
  30
  31 #define IOAT_PMD_DEBUG(fmt, args...)  IOAT_PMD_LOG(DEBUG, fmt, ## args)
  32 #define IOAT_PMD_INFO(fmt, args...)   IOAT_PMD_LOG(INFO, fmt, ## args)
  33 #define IOAT_PMD_ERR(fmt, args...)    IOAT_PMD_LOG(ERR, fmt, ## args)
  34 #define IOAT_PMD_WARN(fmt, args...)   IOAT_PMD_LOG(WARNING, fmt, ## args)
  35
  36 static int
  37 ioat_rawdev_create(const char *name, struct rte_pci_device *dev)
  38 {
  39         RTE_SET_USED(name);
  40         RTE_SET_USED(dev);
  41         return 0;
  42 }
  43
  44 static int
  45 ioat_rawdev_destroy(const char *name)
  46 {
  47         RTE_SET_USED(name);
  48         return 0;
  49 }
  50
  51 static int
  52 ioat_rawdev_probe(struct rte_pci_driver *drv, struct rte_pci_device *dev)
  53 {
  54         char name[32];
  55         int ret = 0;
  56
  57
  58         rte_pci_device_name(&dev->addr, name, sizeof(name));
  59         IOAT_PMD_INFO("Init %s on NUMA node %d", name, dev->device.numa_node);
  60
  61         dev->device.driver = &drv->driver;
  62         ret = ioat_rawdev_create(name, dev);
  63         return ret;
  64 }
  65
  66 static int
  67 ioat_rawdev_remove(struct rte_pci_device *dev)
  68 {
  69         char name[32];
  70         int ret;
  71
  72         rte_pci_device_name(&dev->addr, name, sizeof(name));
  73
  74         IOAT_PMD_INFO("Closing %s on NUMA node %d",
  75                         name, dev->device.numa_node);
  76
  77         ret = ioat_rawdev_destroy(name);
  78         return ret;
  79 }
  80
  81 static const struct rte_pci_id pci_id_ioat_map[] = {
  82         { RTE_PCI_DEVICE(IOAT_VENDOR_ID, IOAT_DEVICE_ID_SKX) },
  83         { RTE_PCI_DEVICE(IOAT_VENDOR_ID, IOAT_DEVICE_ID_BDX0) },
  84         { RTE_PCI_DEVICE(IOAT_VENDOR_ID, IOAT_DEVICE_ID_BDX1) },
  85         { RTE_PCI_DEVICE(IOAT_VENDOR_ID, IOAT_DEVICE_ID_BDX2) },
  86         { RTE_PCI_DEVICE(IOAT_VENDOR_ID, IOAT_DEVICE_ID_BDX3) },
  87         { RTE_PCI_DEVICE(IOAT_VENDOR_ID, IOAT_DEVICE_ID_BDX4) },
  88         { RTE_PCI_DEVICE(IOAT_VENDOR_ID, IOAT_DEVICE_ID_BDX5) },
  89         { RTE_PCI_DEVICE(IOAT_VENDOR_ID, IOAT_DEVICE_ID_BDX6) },
  90         { RTE_PCI_DEVICE(IOAT_VENDOR_ID, IOAT_DEVICE_ID_BDX7) },
  91         { RTE_PCI_DEVICE(IOAT_VENDOR_ID, IOAT_DEVICE_ID_BDXE) },
  92         { RTE_PCI_DEVICE(IOAT_VENDOR_ID, IOAT_DEVICE_ID_BDXF) },
  93         { .vendor_id = 0, /* sentinel */ },
  94 };
  95
  96 static struct rte_pci_driver ioat_pmd_drv = {
  97         .id_table = pci_id_ioat_map,
  98         .drv_flags = RTE_PCI_DRV_NEED_MAPPING | RTE_PCI_DRV_INTR_LSC |
  99                      RTE_PCI_DRV_IOVA_AS_VA,
 100         .probe = ioat_rawdev_probe,
 101         .remove = ioat_rawdev_remove,
 102 };
 103
 104 RTE_PMD_REGISTER_PCI(IOAT_PMD_RAWDEV_NAME, ioat_pmd_drv);
 105 RTE_PMD_REGISTER_PCI_TABLE(IOAT_PMD_RAWDEV_NAME, pci_id_ioat_map);
 106 RTE_PMD_REGISTER_KMOD_DEP(IOAT_PMD_RAWDEV_NAME, "* igb_uio | uio_pci_generic");
 107
 108 RTE_INIT(ioat_pmd_init_log)
 109 {
 110         ioat_pmd_logtype = rte_log_register(IOAT_PMD_LOG_NAME);
 111         if (ioat_pmd_logtype >= 0)
 112                 rte_log_set_level(ioat_pmd_logtype, RTE_LOG_INFO);
 113 }