mpt_host_page_access_control — control the IOC's Host Page Buffer access
int mpt_host_page_access_control
(MPT_ADAPTER * ioc, u8 access_control_value, int sleepFlag);
Pointer to MPT adapter structure
define bits below
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.