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 #include <roc_bphy_irq.h>
  11
  12 #include "cnxk_bphy_irq.h"
  13
  14 static struct bphy_device *
  15 cnxk_bphy_get_bphy_dev_by_dev_id(uint16_t dev_id)
  16 {
  17         struct rte_rawdev *rawdev;
  18
  19         if (!rte_rawdev_pmd_is_valid_dev(dev_id))
  20                 return NULL;
  21
  22         rawdev = &rte_rawdevs[dev_id];
  23
  24         return (struct bphy_device *)rawdev->dev_private;
  25 }
  26
  27 uint64_t
  28 cnxk_bphy_irq_max_get(uint16_t dev_id)
  29 {
  30         struct roc_bphy_irq_chip *irq_chip;
  31         struct bphy_device *bphy_dev;
  32
  33         bphy_dev = cnxk_bphy_get_bphy_dev_by_dev_id(dev_id);
  34         irq_chip = bphy_dev->irq_chip;
  35
  36         return irq_chip->max_irq;
  37 }
  38
  39 int
  40 cnxk_bphy_intr_init(uint16_t dev_id)
  41 {
  42         struct bphy_device *bphy_dev = cnxk_bphy_get_bphy_dev_by_dev_id(dev_id);
  43
  44         bphy_dev->irq_chip = roc_bphy_intr_init();
  45         if (bphy_dev->irq_chip == NULL)
  46                 return -ENOMEM;
  47
  48         return 0;
  49 }
  50
  51 void
  52 cnxk_bphy_intr_fini(uint16_t dev_id)
  53 {
  54         struct bphy_device *bphy_dev = cnxk_bphy_get_bphy_dev_by_dev_id(dev_id);
  55         struct roc_bphy_irq_chip *irq_chip = bphy_dev->irq_chip;
  56
  57         roc_bphy_intr_fini(irq_chip);
  58         bphy_dev->irq_chip = NULL;
  59 }
  60
  61 int
  62 cnxk_bphy_intr_register(uint16_t dev_id, int irq_num,
  63                         cnxk_bphy_intr_handler_t handler, void *data, int cpu)
  64 {
  65         struct roc_bphy_intr intr = {
  66                 .irq_num = irq_num,
  67                 .intr_handler = handler,
  68                 .isr_data = data,
  69                 .cpu = cpu
  70         };
  71
  72         struct bphy_device *bphy_dev = cnxk_bphy_get_bphy_dev_by_dev_id(dev_id);
  73         struct roc_bphy_irq_chip *irq_chip = bphy_dev->irq_chip;
  74
  75         if (!irq_chip)
  76                 return -ENODEV;
  77         if (!handler || !data)
  78                 return -EINVAL;
  79
  80         return roc_bphy_intr_register(irq_chip, &intr);
  81 }
  82
  83 void
  84 cnxk_bphy_intr_unregister(uint16_t dev_id, int irq_num)
  85 {
  86         struct bphy_device *bphy_dev = cnxk_bphy_get_bphy_dev_by_dev_id(dev_id);
  87
  88         if (bphy_dev->irq_chip)
  89                 roc_bphy_handler_clear(bphy_dev->irq_chip, irq_num);
  90         else
  91                 plt_err("Missing irq chip");
  92 }
  93
  94 struct bphy_mem *
  95 cnxk_bphy_mem_get(uint16_t dev_id)
  96 {
  97         struct bphy_device *bphy_dev = cnxk_bphy_get_bphy_dev_by_dev_id(dev_id);
  98
  99         return &bphy_dev->mem;
 100 }