xref: /openbmc/u-boot/drivers/nvme/nvme-uclass.c (revision baefb63a)
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 };
44