drivers/raw/cnxk_bphy/cnxk_bphy_irq.c

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(C) 2021 Marvell.
   3  */
   4 #include <rte_bus_pci.h>
   5 #include <rte_pci.h>
   6 #include <rte_rawdev.h>
   7 #include <rte_rawdev_pmd.h>
   8
   9 #include <roc_api.h>
  10
  11 #include "cnxk_bphy_irq.h"
  12
  13 static struct bphy_device *
  14 cnxk_bphy_get_bphy_dev_by_dev_id(uint16_t dev_id)
  15 {
  16         struct rte_rawdev *rawdev;
  17
  18         if (!rte_rawdev_pmd_is_valid_dev(dev_id))
  19                 return NULL;
  20
  21         rawdev = &rte_rawdevs[dev_id];
  22
  23         return (struct bphy_device *)rawdev->dev_private;
  24 }
  25
  26 uint64_t
  27 cnxk_bphy_irq_max_get(uint16_t dev_id)
  28 {
  29         struct roc_bphy_irq_chip *irq_chip;
  30         struct bphy_device *bphy_dev;
  31
  32         bphy_dev = cnxk_bphy_get_bphy_dev_by_dev_id(dev_id);
  33         irq_chip = bphy_dev->irq_chip;
  34
  35         return roc_bphy_intr_max_get(irq_chip);
  36 }
  37
  38 int
  39 cnxk_bphy_intr_init(uint16_t dev_id)
  40 {
  41         struct bphy_device *bphy_dev = cnxk_bphy_get_bphy_dev_by_dev_id(dev_id);
  42
  43         bphy_dev->irq_chip = roc_bphy_intr_init();
  44         if (bphy_dev->irq_chip == NULL)
  45                 return -ENOMEM;
  46
  47         return 0;
  48 }
  49
  50 void
  51 cnxk_bphy_intr_fini(uint16_t dev_id)
  52 {
  53         struct bphy_device *bphy_dev = cnxk_bphy_get_bphy_dev_by_dev_id(dev_id);
  54         struct roc_bphy_irq_chip *irq_chip = bphy_dev->irq_chip;
  55
  56         roc_bphy_intr_fini(irq_chip);
  57         bphy_dev->irq_chip = NULL;
  58 }
  59
  60 int
  61 cnxk_bphy_intr_register(uint16_t dev_id, int irq_num,
  62                         cnxk_bphy_intr_handler_t handler, void *data, int cpu)
  63 {
  64         struct roc_bphy_intr intr = {
  65                 .irq_num = irq_num,
  66                 .intr_handler = handler,
  67                 .isr_data = data,
  68                 .cpu = cpu
  69         };
  70
  71         struct bphy_device *bphy_dev = cnxk_bphy_get_bphy_dev_by_dev_id(dev_id);
  72         struct roc_bphy_irq_chip *irq_chip = bphy_dev->irq_chip;
  73
  74         if (!irq_chip)
  75                 return -ENODEV;
  76         if (!handler || !data)
  77                 return -EINVAL;
  78
  79         return roc_bphy_intr_register(irq_chip, &intr);
  80 }
  81
  82 void
  83 cnxk_bphy_intr_unregister(uint16_t dev_id, int irq_num)
  84 {
  85         struct bphy_device *bphy_dev = cnxk_bphy_get_bphy_dev_by_dev_id(dev_id);
  86
  87         if (bphy_dev->irq_chip)
  88                 roc_bphy_intr_clear(bphy_dev->irq_chip, irq_num);
  89         else
  90                 plt_err("Missing irq chip");
  91 }
  92
  93 struct cnxk_bphy_mem *
  94 cnxk_bphy_mem_get(uint16_t dev_id)
  95 {
  96         struct bphy_device *bphy_dev = cnxk_bphy_get_bphy_dev_by_dev_id(dev_id);
  97
  98         return &bphy_dev->mem;
  99 }