xref: /openbmc/u-boot/drivers/nvme/nvme-uclass.c (revision e8f80a5a)
1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3  * Copyright (C) 2017 NXP Semiconductors
4  * Copyright (C) 2017 Bin Meng <bmeng.cn@gmail.com>
5  */
6 
7 #include <common.h>
8 #include <errno.h>
9 #include <dm.h>
10 #include <dm/device.h>
11 #include "nvme.h"
12 
nvme_uclass_post_probe(struct udevice * udev)13 static int nvme_uclass_post_probe(struct udevice *udev)
14 {
15 	char name[20];
16 	struct udevice *ns_udev;
17 	int i, ret;
18 	struct nvme_dev *ndev = dev_get_priv(udev);
19 
20 	/* Create a blk device for each namespace */
21 	for (i = 0; i < ndev->nn; i++) {
22 		/*
23 		 * Encode the namespace id to the device name so that
24 		 * we can extract it when doing the probe.
25 		 */
26 		sprintf(name, "blk#%d", i);
27 
28 		/* The real blksz and size will be set by nvme_blk_probe() */
29 		ret = blk_create_devicef(udev, "nvme-blk", name, IF_TYPE_NVME,
30 					 -1, 512, 0, &ns_udev);
31 		if (ret)
32 			return ret;
33 	}
34 
35 	return 0;
36 }
37 
38 UCLASS_DRIVER(nvme) = {
39 	.name	= "nvme",
40 	.id	= UCLASS_NVME,
41 	.post_probe = nvme_uclass_post_probe,
42 };
43