sdi_deregister(D3sdi)

sdi_deregister -- de-register a Host Bus Adapter (HBA) with SDI

Synopsis

   #include <sys/sdi.h>
   
   int sdi_deregister(HBA_IDATA_STRUCT *idata);

Description

sdi_deregister deregisters a controller instance associated with idata structure.

This routine removes all the devices connected to this controller from the equipped device table (EDT).

Arguments

idata: pointer to idata structure for the specific device being deregistered

Return values

sdi_deregister returns 0 on success and returns EINVAL on failure.

sdi_deregister fails if a device cannot be removed because the device is busy (currently opened) or the target driver does not support hot removal of a device.

Usage

sdi_deregister( ) is called by an HBA driver to de-register a controller instance in preparation for unloading either the HBA driver or the controller.

Context and synchronization

Blockable context.

Driver-defined basic locks, read/write locks, and sleep locks cannot be held across calls to this function.

Applicable hardware

All

Version applicability

sdi: 4 HBA drivers

References

sdi_register(D3sdi)