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NetBSD 6.1.5 - man page for ses (netbsd section 4)

SES(4)				   BSD Kernel Interfaces Manual 			   SES(4)

     ses -- SCSI Environmental Services Driver

     ses* at scsibus? target? lun?

     The ses driver provides support for all SCSI devices of the environmental services class
     that are attached to the system through a supported SCSI Host Adapter, as well as emulated
     support for SAF-TE (SCSI Accessible Fault Tolerant Enclosures).  The environmental services
     class generally are enclosure devices that provide environmental information such as number
     of power supplies (and state), temperature, device slots, and so on.

     A SCSI Host adapter must also be separately configured into the system before a SCSI Envi-
     ronmental Services device can be configured.

     The following ioctl(2) calls apply to SES devices.  They are defined in the header file
     <scsipi/ses.h> (q.v.).

     SESIOC_GETNOBJ	Used to find out how many SES objects are driven by this particular
			device instance.

     SESIOC_GETOBJMAP	Read, from the kernel, an array of SES objects which contains the object
			identifier, which sub-enclosure it is in, and the SES type of the object.

     SESIOC_GETENCSTAT	Get the overall enclosure status.

     SESIOC_SETENCSTAT	Set the overall enclosure status.

     SESIOC_GETOBJSTAT	Get the status of a particular object.

     SESIOC_SETOBJSTAT	Set the status of a particular object.

     SESIOC_GETTEXT	Get the associated help text for an object (not yet implemented).  SES
			devices often have descriptive text for an object which can tell you
			things like location (e.g, "left power supply").

     SESIOC_INIT	Initialize the enclosure.

     /dev/sesN	    The Nth ses device.

     When the kernel is configured with DEBUG enabled, the first open to an SES device will spit
     out overall enclosure parameters to the console.

     getencstat(8), sesd(8), setencstat(8), setobjstat(8)

     The ses driver was written for the SCSI subsystem by Matthew Jacob.  This is the functional
     equivalent of a similar driver available in Solaris, Release 7.

BSD					   May 24, 2007 				      BSD

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