Class CIM_MediaAccessDevice

Used in features: Hardware Asset
Compatible with the following Intel AMT Releases: 3.0, 3.2, 4.0, 5.0, 5.1, 6.0, 6.1, 6.2, 7.0, 8.0, 8.1, 9.0, 9.5, 10.0, 11.0
CIM_ManagedElement
   extended by CIM_ManagedSystemElement
      extended by CIM_LogicalElement
         extended by CIM_EnabledLogicalElement
            extended by CIM_LogicalDevice
               extended by CIM_MediaAccessDevice


class CIM_MediaAccessDevice
extends CIM_LogicalDevice

General Information:
A MediaAccessDevice represents the ability to access one or more media and use this media to store and retrieve data.

Product Specific Usage:
One instance exists for each media device in the system (e.g. hard drive or CD-ROM drive)
Information is gathered from the BIOS Media Device tables

Qualifiers:
-------------
Version=2.6.0
UMLPackagePath=CIM::Device::StorageDevices


Supported Fields Summary
 string DeviceID Key
An address or other identifying information to uniquely name the LogicalDevice.
 string CreationClassName Key
CreationClassName indicates the name of the class or the subclass used in the creation of an instance . . .
 string SystemName Key
The scoping System's Name.
 string SystemCreationClassName Key
The scoping System's CreationClassName.
 string ElementName
A user-friendly name for the object . . .
 uint16[2] OperationalStatus
Indicates the current statuses of the element . . .
 uint16 EnabledState
EnabledState is an integer enumeration that indicates the enabled and disabled states of an element . . .
 uint16 RequestedState
RequestedState is an integer enumeration that indicates the last requested or desired state for the element, irrespective of the mechanism through which it was requested . . .
 uint16 EnabledDefault
An enumerated value indicating an administrator's default or startup configuration for the Enabled State of an element . . .
 uint16[3] Capabilities
Capabilities of the MediaAccessDevice . . .
 uint64 MaxMediaSize
Maximum size, in KBytes, of media supported by this Device . . .
 uint16 Security
An enumeration indicating the operational security defined for the MediaAccessDevice . . .

Methods Summary
  Get(Instance)
Gets the representation of the instance
  Pull(EnumerationContext, MaxElements)
Pulls instances of this class, following an Enumerate operation
  Enumerate()
Enumerates the instances of this class
  Release(EnumerationContext)
Releases an enumeration context

Field Detail

DeviceID Key

public string DeviceID
General Information:
An address or other identifying information to uniquely name the LogicalDevice.

Qualifiers:
-------------
Key
MaxLen=64


CreationClassName Key

public string CreationClassName
General Information:
CreationClassName indicates the name of the class or the subclass used in the creation of an instance. When used with the other key properties of this class, this property allows all instances of this class and its subclasses to be uniquely identified.

Qualifiers:
-------------
Key
MaxLen=24


SystemName Key

public string SystemName
General Information:
The scoping System's Name.

Qualifiers:
-------------
Key
MaxLen=65
Propagated=CIM_System.Name


SystemCreationClassName Key

public string SystemCreationClassName
General Information:
The scoping System's CreationClassName.

Qualifiers:
-------------
Key
MaxLen=65
Propagated=CIM_System.CreationClassName


ElementName

public string ElementName
General Information:
A user-friendly name for the object. This property allows each instance to define a user-friendly name in addition to its key properties, identity data, and description information.
Note that the Name property of ManagedSystemElement is also defined as a user-friendly name. But, it is often subclassed to be a Key. It is not reasonable that the same property can convey both identity and a user-friendly name, without inconsistencies. Where Name exists and is not a Key (such as for instances of LogicalDevice), the same information can be present in both the Name and ElementName properties. Note that if there is an associated instance of CIM_EnabledLogicalElementCapabilities, restrictions on this properties may exist as defined in ElementNameMask and MaxElementNameLen properties defined in that class.

Qualifiers:
-------------
MaxLen=36


OperationalStatus

public uint16[2] OperationalStatus
General Information:
Indicates the current statuses of the element. Various operational statuses are defined. Many of the enumeration's values are self-explanatory. However, a few are not and are described here in more detail.
"Stressed" indicates that the element is functioning, but needs attention. Examples of "Stressed" states are overload, overheated, and so on.
"Predictive Failure" indicates that an element is functioning nominally but predicting a failure in the near future.
"In Service" describes an element being configured, maintained, cleaned, or otherwise administered.
"No Contact" indicates that the monitoring system has knowledge of this element, but has never been able to establish communications with it.
"Lost Communication" indicates that the ManagedSystem Element is known to exist and has been contacted successfully in the past, but is currently unreachable.
"Stopped" and "Aborted" are similar, although the former implies a clean and orderly stop, while the latter implies an abrupt stop where the state and configuration of the element might need to be updated.
"Dormant" indicates that the element is inactive or quiesced.
"Supporting Entity in Error" indicates that this element might be "OK" but that another element, on which it is dependent, is in error. An example is a network service or endpoint that cannot function due to lower-layer networking problems.
"Completed" indicates that the element has completed its operation. This value should be combined with either OK, Error, or Degraded so that a client can tell if the complete operation Completed with OK (passed), Completed with Error (failed), or Completed with Degraded (the operation finished, but it did not complete OK or did not report an error).
"Power Mode" indicates that the element has additional power model information contained in the Associated PowerManagementService association.
"Relocating" indicates the element is being relocated.
OperationalStatus replaces the Status property on ManagedSystemElement to provide a consistent approach to enumerations, to address implementation needs for an array property, and to provide a migration path from today's environment to the future. This change was not made earlier because it required the deprecated qualifier. Due to the widespread use of the existing Status property in management applications, it is strongly recommended that providers or instrumentation provide both the Status and OperationalStatus properties. Further, the first value of OperationalStatus should contain the primary status for the element. When instrumented, Status (because it is single-valued) should also provide the primary status of the element.

Qualifiers:
-------------
ValueMap={0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, .., 0x8000..}
Values={Unknown, Other, OK, Degraded, Stressed, Predictive Failure, Error, Non-Recoverable Error, Starting, Stopping, Stopped, In Service, No Contact, Lost Communication, Aborted, Dormant, Supporting Entity in Error, Completed, Power Mode, Relocating, DMTF Reserved, Vendor Reserved}
ArrayType=Indexed
ModelCorrespondence={CIM_ManagedSystemElement.StatusDescriptions}


EnabledState

public uint16 EnabledState
General Information:
EnabledState is an integer enumeration that indicates the enabled and disabled states of an element. It can also indicate the transitions between these requested states. For example, shutting down (value=4) and starting (value=10) are transient states between enabled and disabled. The following text briefly summarizes the various enabled and disabled states:
Enabled (2) indicates that the element is or could be executing commands, will process any queued commands, and queues new requests.
Disabled (3) indicates that the element will not execute commands and will drop any new requests.
Shutting Down (4) indicates that the element is in the process of going to a Disabled state.
Not Applicable (5) indicates the element does not support being enabled or disabled.
Enabled but Offline (6) indicates that the element might be completing commands, and will drop any new requests.
Test (7) indicates that the element is in a test state.
Deferred (8) indicates that the element might be completing commands, but will queue any new requests.
Quiesce (9) indicates that the element is enabled but in a restricted mode.
Starting (10) indicates that the element is in the process of going to an Enabled state. New requests are queued.

Qualifiers:
-------------
ValueMap={0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11..32767, 32768..65535}
Values={Unknown, Other, Enabled, Disabled, Shutting Down, Not Applicable, Enabled but Offline, In Test, Deferred, Quiesce, Starting, DMTF Reserved, Vendor Reserved}
ModelCorrespondence={CIM_EnabledLogicalElement.OtherEnabledState}


RequestedState

public uint16 RequestedState
General Information:
RequestedState is an integer enumeration that indicates the last requested or desired state for the element, irrespective of the mechanism through which it was requested. The actual state of the element is represented by EnabledState. This property is provided to compare the last requested and current enabled or disabled states. Note that when EnabledState is set to 5 ("Not Applicable"), then this property has no meaning. Refer to the EnabledState property description for explanations of the values in the RequestedState enumeration.
"Unknown" (0) indicates the last requested state for the element is unknown.
Note that the value "No Change" (5) has been deprecated in lieu of indicating the last requested state is "Unknown" (0). If the last requested or desired state is unknown, RequestedState should have the value "Unknown" (0), but may have the value "No Change" (5).Offline (6) indicates that the element has been requested to transition to the Enabled but Offline EnabledState.
It should be noted that there are two new values in RequestedState that build on the statuses of EnabledState. These are "Reboot" (10) and "Reset" (11). Reboot refers to doing a "Shut Down" and then moving to an "Enabled" state. Reset indicates that the element is first "Disabled" and then "Enabled". The distinction between requesting "Shut Down" and "Disabled" should also be noted. Shut Down requests an orderly transition to the Disabled state, and might involve removing power, to completely erase any existing state. The Disabled state requests an immediate disabling of the element, such that it will not execute or accept any commands or processing requests.

This property is set as the result of a method invocation (such as Start or StopService on CIM_Service), or can be overridden and defined as WRITEable in a subclass. The method approach is considered superior to a WRITEable property, because it allows an explicit invocation of the operation and the return of a result code.

If knowledge of the last RequestedState is not supported for the EnabledLogicalElement, the property shall be NULL or have the value 12 "Not Applicable".

Qualifiers:
-------------
ValueMap={0, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, .., 32768..65535}
Values={Unknown, Enabled, Disabled, Shut Down, No Change, Offline, Test, Deferred, Quiesce, Reboot, Reset, Not Applicable, DMTF Reserved, Vendor Reserved}
ModelCorrespondence={CIM_EnabledLogicalElement.EnabledState}


EnabledDefault

public uint16 EnabledDefault
General Information:
An enumerated value indicating an administrator's default or startup configuration for the Enabled State of an element. By default, the element is "Enabled" (value=2).

Qualifiers:
-------------
Write
ValueMap={2, 3, 5, 6, 7, 9, .., 32768..65535}
Values={Enabled, Disabled, Not Applicable, Enabled but Offline, No Default, Quiesce, DMTF Reserved, Vendor Reserved}


Capabilities

public uint16[3] Capabilities
General Information:
Capabilities of the MediaAccessDevice. For example, the Device may support "Random Access", removeable media and "Automatic Cleaning". In this case, the values 3, 7 and 9 would be written to the array.
Several of the enumerated values require some explanation: 1) Value 11, Supports Dual Sided Media, distinguishes a Device that can access both sides of dual sided Media, from a Device that reads only a single side and requires the Media to be flipped; and, 2) Value 12, Predismount Eject Not Required, indicates that Media does not have to be explicitly ejected from the Device before being accessed by a PickerElement.

Qualifiers:
-------------
ValueMap={0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12}
Values={Unknown, Other, Sequential Access, Random Access, Supports Writing, Encryption, Compression, Supports Removeable Media, Manual Cleaning, Automatic Cleaning, SMART Notification, Supports Dual Sided Media, Predismount Eject Not Required}
ArrayType=Indexed
MappingStrings={MIF.DMTF|Storage Devices|001.9, MIF.DMTF|Storage Devices|001.11, MIF.DMTF|Storage Devices|001.12, MIF.DMTF|Disks|003.7, MIF.DMTF|Host Disk|001.2, MIF.DMTF|Host Disk|001.4}
ModelCorrespondence={CIM_MediaAccessDevice.CapabilityDescriptions}


MaxMediaSize

public uint64 MaxMediaSize
General Information:
Maximum size, in KBytes, of media supported by this Device. KBytes is interpreted as the number of bytes multiplied by 1000 (NOT the number of bytes multiplied by 1024).

Qualifiers:
-------------
MappingStrings={MIF.DMTF|Sequential Access Devices|001.2, MIF.DMTF|Host Disk|001.5}


Security

public uint16 Security
General Information:
An enumeration indicating the operational security defined for the MediaAccessDevice. For example, information that the Device is "Read Only" (value=4) or "Boot Bypass" (value=6) can be described using this property.

Qualifiers:
-------------
ValueMap={1, 2, 3, 4, 5, 6, 7}
Values={Other, Unknown, None, Read Only, Locked Out, Boot Bypass, Boot Bypass and Read Only}
MappingStrings={MIF.DMTF|Disks|003.22}


Method Detail

Get

public  Get([OUT]CIM_MediaAccessDevice Instance)
Permission Information:
Permitted realms: ADMIN_SECURITY_HARDWARE_ASSET_REALM

General Information:
Gets the representation of the instance

Pull

public  Pull([IN]String EnumerationContext, [IN]String MaxElements)
Permission Information:
All users permitted to use method, only instances to whom the user has permissions will be returned

General Information:
Pulls instances of this class, following an Enumerate operation

Enumerate

public  Enumerate()
Permission Information:
All users permitted to use method

General Information:
Enumerates the instances of this class

Release

public  Release([IN]String EnumerationContext)
Permission Information:
All users permitted to use method

General Information:
Releases an enumeration context

Copyright © 2006-2022, Intel Corporation. All rights reserved.