drivers/nvme/nvme-uclass.c

   1 /*
   2  * Copyright (C) 2017 NXP Semiconductors
   3  * Copyright (C) 2017 Bin Meng <bmeng.cn@gmail.com>
   4  *
   5  * SPDX-License-Identifier:     GPL-2.0+
   6  */
   7
   8 #include <common.h>
   9 #include <errno.h>
  10 #include <dm.h>
  11 #include <dm/device.h>
  12 #include "nvme.h"
  13
  14 static int nvme_uclass_post_probe(struct udevice *udev)
  15 {
  16         char name[20];
  17         struct udevice *ns_udev;
  18         int i, ret;
  19         struct nvme_dev *ndev = dev_get_priv(udev);
  20
  21         /* Create a blk device for each namespace */
  22         for (i = 0; i < ndev->nn; i++) {
  23                 /*
  24                  * Encode the namespace id to the device name so that
  25                  * we can extract it when doing the probe.
  26                  */
  27                 sprintf(name, "blk#%d", i);
  28
  29                 /* The real blksz and size will be set by nvme_blk_probe() */
  30                 ret = blk_create_devicef(udev, "nvme-blk", name, IF_TYPE_NVME,
  31                                          -1, 512, 0, &ns_udev);
  32                 if (ret)
  33                         return ret;
  34         }
  35
  36         return 0;
  37 }
  38
  39 UCLASS_DRIVER(nvme) = {
  40         .name   = "nvme",
  41         .id     = UCLASS_NVME,
  42         .post_probe = nvme_uclass_post_probe,
  43 };