此结构中的值用于NVME_CDW11_FEATURES结构的NonOperationalPowerState字段中。 语法 C++ typedefunion{struct{ULONG NOPPME :1; ULONG Reserved0 :31; } DUMMYSTRUCTNAME; ULONG AsUlong; } NVME_CDW11_FEATURE_NON_OPERATIONAL_POWER_STATE, *PNVME_CDW11_FEATURE_NON_OPERATIONAL_POWER_STATE; ...
主机可以通过三种不同的方式访问NVMe电源管理功能: 为了为自主电源状态转换功能(Autonomous Power State Transition)设置电源状态条件,请使用set feature命令(FID=0xC, APST)。然后,SSD将根据设置的条件转换到不同的电源状态。 使用set feature命令进行电源管理以更改当前SSD电源状态。 使用set feature命令用于主机控制的...
Set Feature 命令支持情况 除了SMART属性之外,主机可以通过Get Features命令获取到关于ES3000 V3工作及健康状态的特性参数。ES3000 V3也可以通过Set Features命令修改NVMe1.2协议中定义的特性参数设置,具体如下: Arbitration(Feature Identifier 01h) Power Management(Feature Identifier 02h) ...
NVME_CDW10_SET_FEATURES union union NVME_CDW11_CREATE_IO_CQ union NVME_CDW11_CREATE_IO_SQ union NVME_CDW11_DATASET_MANAGEMENT NVME_CDW11_DIRECTIVE_RECEIVE union union NVME_CDW11_DIRECTIVE_SEND union NVME_CDW11_FEATURE_ARBITRATION union NVME_CDW11_FEATURE_ASYNC_EVENT_CONFIG union NVME_CDW11_...
NVME_CDW10_SET_FEATURES union union NVME_CDW11_CREATE_IO_CQ union NVME_CDW11_CREATE_IO_SQ union NVME_CDW11_DATASET_MANAGEMENT NVME_CDW11_DIRECTIVE_RECEIVE union union NVME_CDW11_DIRECTIVE_SEND union NVME_CDW11_FEATURE_ARBITRATION union NVME_CDW11_FEATURE_ASYNC_EVENT_CONFIG union NVME_CDW11_...
• Sets the Power State (PS) to 1 in feature id 2: # nvme set-feature /dev/nvme0 -f 2 /dev/nvme0n1 -v 0x1 • Sets the host id to the ascii string. # echo "abcdefgh" | nvme set-feature /dev/nvme0 -f 0x81 -l 8 ...
NVME_FEATURE_VALUE_CODES 包含值,指出應該由NVME_ADMIN_COMMAND_GET_FEATURES和NVME_ADMIN_COMMAND_SET_FEATURES管理員命令擷取或設定的功能值。 NVME_FEATURES 包含值,指出應該由NVME_ADMIN_COMMAND_GET_FEATURES和NVME_ADMIN_COMMAND_SET_FEATURES管理員命令擷取或設定的功能。
Case 2: Non-Operation State Admin Commands 测试步骤 通过将Identify Controller Data Structure的Byte 256的Bit 0设为1,检查SSD是否支持Autonomous Power State Transitions, 如果该bit设置为0,本测试无效; 下发Set Feature command,enable Feature Identifier 0Ch (Autonomous Power State Transitions); ...
max_io_queues(); //发送set feature cmd设置IO queues数目 result = nvme_set_queue_count(&dev->ctrl, &nr_io_queues); if (result < 0) return result; if (nr_io_queues == 0) return 0; clear_bit(NVMEQ_ENABLED, &adminq->flags); //支持cmb if (...
由于使用Persist Through Power Loss State(PTPLS)断电而重启的情况,预订的保留是可选性配置。一个Persist Through Power Loss State(PTPLS)是与每个支持预订功能namespace关联的,可以用Reservation Register命令的侧面效果或Set Features命令来修改的。 8.8.4 注销...