MPT_SEND_HANDSHAKE_R(9) Message-based devices MPT_SEND_HANDSHAKE_R(9)NAMEmpt_send_handshake_request - Send MPT request via doorbell handshake
method.
SYNOPSIS
int mpt_send_handshake_request(u8 cb_idx, MPT_ADAPTER * ioc,
int reqBytes, u32 * req, int sleepFlag);
ARGUMENTS
cb_idx
Handle of registered MPT protocol driver
ioc
Pointer to MPT adapter structure
reqBytes
Size of the request in bytes
req
Pointer to MPT request frame
sleepFlag
Use schedule if CAN_SLEEP else use udelay.
DESCRIPTION
This routine is used exclusively to send MptScsiTaskMgmt requests since
they are required to be sent via doorbell handshake.
NOTE
It is the callers responsibility to byte-swap fields in the request
which are greater than 1 byte in size.
Returns 0 for success, non-zero for failure.
COPYRIGHTKernel Hackers Manual 2.6. November 2013 MPT_SEND_HANDSHAKE_R(9)