Control the iocs host page buffer access
int mpt_host_page_access_control(MPT_ADAPTER * ioc, u8 access_control_value, int sleepFlag);
ioc
Pointer to MPT adapter structure
access_control_value
define bits below
sleepFlag
Specifies whether the process can sleep
Provides mechanism for the host driver to control the IOC's Host Page Buffer access.
Access Control Value - bits[15:12] 0h Reserved 1h Enable Access { MPI_DB_HPBAC_ENABLE_ACCESS } 2h Disable Access { MPI_DB_HPBAC_DISABLE_ACCESS } 3h Free Buffer { MPI_DB_HPBAC_FREE_BUFFER }
Returns 0 for success, non-zero for failure.