diff options
Diffstat (limited to 'drivers/nvme/nvme-uclass.c')
-rw-r--r-- | drivers/nvme/nvme-uclass.c | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/drivers/nvme/nvme-uclass.c b/drivers/nvme/nvme-uclass.c new file mode 100644 index 00000000000..0895bc9c249 --- /dev/null +++ b/drivers/nvme/nvme-uclass.c @@ -0,0 +1,62 @@ +/* + * Copyright (C) 2017 NXP Semiconductors + * Copyright (C) 2017 Bin Meng <bmeng.cn@gmail.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <errno.h> +#include <dm.h> +#include <dm/device.h> +#include "nvme.h" + +static int nvme_info_init(struct uclass *uc) +{ + struct nvme_info *info = (struct nvme_info *)uc->priv; + + info->ns_num = 0; + info->ndev_num = 0; + INIT_LIST_HEAD(&info->dev_list); + nvme_info = info; + + return 0; +} + +static int nvme_uclass_post_probe(struct udevice *udev) +{ + char name[20]; + char *str; + struct udevice *ns_udev; + int i, ret; + struct nvme_dev *ndev = dev_get_priv(udev); + + /* Create a blk device for each namespace */ + for (i = 0; i < ndev->nn; i++) { + sprintf(name, "nvme-blk#%d", nvme_info->ns_num); + str = strdup(name); + if (!str) + return -ENOMEM; + + /* The real blksz and size will be set by nvme_blk_probe() */ + ret = blk_create_device(udev, "nvme-blk", str, IF_TYPE_NVME, + nvme_info->ns_num++, 512, 0, &ns_udev); + if (ret) { + free(str); + nvme_info->ns_num--; + + return ret; + } + device_set_name_alloced(ns_udev); + } + + return 0; +} + +UCLASS_DRIVER(nvme) = { + .name = "nvme", + .id = UCLASS_NVME, + .init = nvme_info_init, + .post_probe = nvme_uclass_post_probe, + .priv_auto_alloc_size = sizeof(struct nvme_info), +}; |