{structnvme_ctrl *ctrl = file->private_data;void__user *argp = (void__user *)arg;switch(cmd) {caseNVME_IOCTL_ADMIN_CMD:returnnvme_user_cmd(ctrl, NULL, argp);caseNVME_IOCTL_IO_CMD:returnnvme_dev_user_cmd(ctrl, argp);caseNVME_IOCTL_RESET: dev_warn(ctrl->device,"resetting controller...
在Linux中,除了使用ioctl()与nvme驱动器进行交互外,还可以使用sysfs和ioctl命令来实现与nvme驱动器的交互。 sysfs:sysfs是Linux内核提供的一种虚拟文件系统,用于向用户空间提供内核和设备的信息。对于nvme驱动器,可以通过sysfs接口来获取和设置驱动器的各种属性和状态信息。例如,可以通过/sys/class/nvme/目录...
稍微研究一下nvme_submit_io(),它叫做nvme_submit_user_cmd()Refer here。您将看到nvme_alloc_request...
return ioctl(fd, NVME_IOCTL_ID); } int nvme_submit_passthru(int fd, unsigned long ioctl_cmd, struct nvme_passthru_cmd *cmd) { return ioctl(fd, ioctl_cmd, cmd); } int nvme_submit_admin_passthru(int fd, struct nvme_passthru_cmd *cmd) ...
NVMe management command line interface. Contribute to ScottyBauer/nvme-cli development by creating an account on GitHub.
NVME-VERSION-GEN README.md cmd.h cmd_handler.h common.h define_cmd.h fabrics.c fabrics.h nvme-builtin.h nvme-filters.c nvme-ioctl.c nvme-ioctl.h nvme-lightnvm.c nvme-lightnvm.h nvme-models.c nvme-models.h nvme-print.c nvme-print.h ...
return ioctl(fd, NVME_IOCTL_SUBSYS_RESET); } int nvme_reset_controller(int fd) { int ret; ret = nvme_verify_chr(fd); if (ret) return ret; return ioctl(fd, NVME_IOCTL_RESET); } int nvme_ns_rescan(int fd) { int ret; ret = nvme_verify_chr(fd); if (ret...
ioctl用于向设备发控制和配置命令,有些命令也需要读写一些数据,但这些数据是不能用read/write读写的,...
硬盘的SMART是S.M.A.R.T.的缩写,全称是“Self-Monitoring, Analysis and Reporting Technology”,...
2 changes: 1 addition & 1 deletion 2 nvme-ioctl.c Original file line numberDiff line numberDiff line change @@ -974,7 +974,7 @@ int nvme_zns_append(int fd, __u32 nsid, __u64 zslba, __u16 nlb, __u16 control, int err; err = ioctl(fd, NVME_IOCTL_IO64_CMD, cmd); err...