3  * SPDX-License-Identifier: Apache-2.0
14 static int nvme_disk_status(struct disk_info *disk)  in nvme_disk_status()  argument
19 static int nvme_disk_read(struct disk_info *disk,  in nvme_disk_read()  argument
24 	struct nvme_namespace *ns = CONTAINER_OF(disk->name,  in nvme_disk_read()
25 						 struct nvme_namespace, name[0]);  in nvme_disk_read()
33 		LOG_WRN("Data buffer pointer needs to be 4-bytes aligned");  in nvme_disk_read()
34 		return -EINVAL;  in nvme_disk_read()
37 	nvme_lock(disk->dev);  in nvme_disk_read()
44 		ret = -ENOMEM;  in nvme_disk_read()
48 	nvme_namespace_read_cmd(&request->cmd, ns->id,  in nvme_disk_read()
54 	nvme_cmd_qpair_submit_request(ns->ctrlr->ioq, request);  in nvme_disk_read()
58 		LOG_WRN("Reading at sector %u (count %d) on disk %s failed",  in nvme_disk_read()
59 			start_sector, num_sector, ns->name);  in nvme_disk_read()
61 		ret = -EIO;  in nvme_disk_read()
64 	nvme_unlock(disk->dev);  in nvme_disk_read()
68 static int nvme_disk_write(struct disk_info *disk,  in nvme_disk_write()  argument
73 	struct nvme_namespace *ns = CONTAINER_OF(disk->name,  in nvme_disk_write()
74 						 struct nvme_namespace, name[0]);  in nvme_disk_write()
82 		LOG_WRN("Data buffer pointer needs to be 4-bytes aligned");  in nvme_disk_write()
83 		return -EINVAL;  in nvme_disk_write()
86 	nvme_lock(disk->dev);  in nvme_disk_write()
93 		ret = -ENOMEM;  in nvme_disk_write()
97 	nvme_namespace_write_cmd(&request->cmd, ns->id,  in nvme_disk_write()
103 	nvme_cmd_qpair_submit_request(ns->ctrlr->ioq, request);  in nvme_disk_write()
107 		LOG_WRN("Writing at sector %u (count %d) on disk %s failed",  in nvme_disk_write()
108 			start_sector, num_sector, ns->name);  in nvme_disk_write()
110 		ret = -EIO;  in nvme_disk_write()
113 	nvme_unlock(disk->dev);  in nvme_disk_write()
125 		return -ENOMEM;  in nvme_disk_flush()
128 	nvme_namespace_flush_cmd(&request->cmd, ns->id);  in nvme_disk_flush()
133 	nvme_cmd_qpair_submit_request(ns->ctrlr->ioq, request);  in nvme_disk_flush()
137 		LOG_ERR("Flushing disk %s failed", ns->name);  in nvme_disk_flush()
139 		return -EIO;  in nvme_disk_flush()
145 static int nvme_disk_ioctl(struct disk_info *disk, uint8_t cmd, void *buff)  in nvme_disk_ioctl()  argument
147 	struct nvme_namespace *ns = CONTAINER_OF(disk->name,  in nvme_disk_ioctl()
148 						 struct nvme_namespace, name[0]);  in nvme_disk_ioctl()
151 	nvme_lock(disk->dev);  in nvme_disk_ioctl()
156 			ret = -EINVAL;  in nvme_disk_ioctl()
165 			ret = -EINVAL;  in nvme_disk_ioctl()
174 			ret = -EINVAL;  in nvme_disk_ioctl()
189 		ret = -EINVAL;  in nvme_disk_ioctl()
192 	nvme_unlock(disk->dev);  in nvme_disk_ioctl()
196 static int nvme_disk_init(struct disk_info *disk)  in nvme_disk_init()  argument
198 	return nvme_disk_ioctl(disk, DISK_IOCTL_CTRL_INIT, NULL);  in nvme_disk_init()
210 			      struct disk_info *disk)  in nvme_namespace_disk_setup()  argument
212 	disk->name = ns->name;  in nvme_namespace_disk_setup()
213 	disk->ops = &nvme_disk_ops;  in nvme_namespace_disk_setup()
214 	disk->dev = ns->ctrlr->dev;  in nvme_namespace_disk_setup()
216 	return disk_access_register(disk);  in nvme_namespace_disk_setup()