nvme_scan_ns_sequential(ctrl); } else { /* * Fall back to sequential scan if DNR is set to handle broken * devices which should support Identify NS List (as per the VS * they report) but don't actually support it. */ ret = nvme_scan_ns_list(ctrl); if (ret > 0 && ret & ...
nvme_scan_ns_sequential(ctrl, nn); done: mutex_lock(&ctrl->namespaces_mutex); list_sort(NULL, &ctrl->namespaces, ns_cmp); mutex_unlock(&ctrl->namespaces_mutex); kfree(id); } static void nvme_alloc_ns(struct nvme_ctrl *ctrl, unsigned nsid) { struct nvme_ns *ns; struct gendisk *...
nvme_scan_ns_list -> 扫描命名空间列表: , 驱动架构分析: https://zhuanlan.zhihu.com/p/590851852, nvme_reset_work, 这个函数初始化nvme盘的admin和io队列(struct nvme_queue),同时初始化nvme盘的管理队列和请求队列对应的硬件队列描述结构blk_mq_tag_set,注意:这里的请求队列结构是struct request_queue,并不...
现在,我们还存储 NVMe 合规版本的缓存副本以及控制器是否连接到子系统或不在通用控制器结构中的标志 INIT_LIST_HEAD(&ctrl->namespaces) -> 初始命名空间链表 init_rwsem(&ctrl->namespaces_rwsem) INIT_WORK(&ctrl->scan_work, nvme_scan_work) nvme_init_non_mdts_limits nvme_scan_ns_list -> 扫描命名...
struct list_head node; ……struct device_driver driver;struct pci_dynids dynids;};我们来具体看下这个__pci_register_driver,函数会参数也就是将驱动代码中nvme_driver结构体值赋值给nvme_driver中device_driver这个通用结构体。int __pci_register_driver(struct pci_driver *drv, struct module *owner,...
004 423: nvme_transport_ctrlr_scan(trid, cb_ctx, probe_cb, remove_cb); 005 425: check spdk process is primary, if not, do something at L426-440 006 448: rc = nvme_init_controllers(cb_ctx, attach_cb); 接下来,让我们看看函数nvme_transport_ctrlr_scan(), ...
nvme_queue_scan(ctrl);return0;default:return-ENOTTY; } } 对于ssd的读写命令,显然是要走 NVME_IOCTL_IO_CMD这一分支,该分支的函数主要做的事情是填充了nvme_command c命令: staticintnvme_user_cmd(structnvme_ctrl *ctrl,structnvme_ns *ns,structnvme_passthru_cmd __user *ucmd) ...
@@ -3109,7 +3110,7 @@ static int nvme_scan_ns_list(struct nvme_ctrl *ctrl, unsigned nn) unsigned i, j, nsid, prev = 0, num_lists = DIV_ROUND_UP(nn, 1024); int ret = 0;ns_list = kzalloc(0x1000, GFP_KERNEL); ns_list = kzalloc(NVME_IDENTIFY_DATA_SIZE, GFP_KERNEL); ...
sudo nvme id-ns /dev/nvme0n1 -b | dd bs=1 skip=384 status=none | sed 's/\x00*$//' Hur kan jag formatera och initiera temporära NVMe-diskar i Windows när jag skapar en virtuell dator? Du kan använda GUI eller Azure PowerShell. ...
share/man/man2/nbft_info_nid_type.2.gz /usr/share/man/man2/nbft_info_primary_admin_host_flag.2.gz /usr/share/man/man2/nbft_info_security.2.gz /usr/share/man/man2/nbft_info_subsystem_ns.2.gz /usr/share/man/man2/nbft_security.2.gz /usr/share/man/man2/nbft_security_flags...