MPT_SEND_HANDSHAKE_R
Section: Message-based devices (9)
Updated: February 2011
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NAME
mpt_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.
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