MPT_REGISTER(9) Message-based devices MPT_REGISTER(9)NAME
mpt_register - Register protocol-specific main callback handler.
SYNOPSIS
u8 mpt_register(MPT_CALLBACK cbfunc, MPT_DRIVER_CLASS dclass);
ARGUMENTS
cbfunc
callback function pointer
dclass
Protocol driver's class (MPT_DRIVER_CLASS enum value)
DESCRIPTION
This routine is called by a protocol-specific driver (SCSI host, LAN, SCSI target) to register its reply callback routine. Each
protocol-specific driver must do this before it will be able to use any IOC resources, such as obtaining request frames.
NOTES
The SCSI protocol driver currently calls this routine thrice in order to register separate callbacks; one for "normal" SCSI IO; one for
MptScsiTaskMgmt requests; one for Scan/DV requests.
Returns u8 valued "handle" in the range (and S.O.D. order) {N,...,7,6,5,...,1} if successful. A return value of MPT_MAX_PROTOCOL_DRIVERS
(including zero!) should be considered an error by the caller.
COPYRIGHT Kernel Hackers Manual 2.6. July 2010 MPT_REGISTER(9)
Check Out this Related Man Page
tran_reset_notify(9E) Driver Entry Points tran_reset_notify(9E)NAME
tran_reset_notify - request to notify SCSI target of bus reset
SYNOPSIS
#include <sys/scsi/scsi.h>
int prefixtran_reset_notify(struct scsi_address *ap, int flag, void (*callback, caddr_t),caddr_t arg);
INTERFACE LEVEL
Solaris architecture specific (Solaris DDI).
PARAMETERS
ap Pointer to the scsi_address(9S) structure.
flag A flag indicating registration or cancellation of a notification request.
callback A pointer to the target driver's reset notification function.
arg The callback function argument.
DESCRIPTION
The tran_reset_notify() entry point is called when a target driver requests notification of a bus reset.
The tran_reset_notify() vector in the scsi_hba_tran(9S) structure may be initialized in the HBA driver's attach(9E) routine to point to
the HBA entry point to be called when a target driver calls scsi_reset_notify(9F).
The argument flag is used to register or cancel the notification. The supported values for flag are as follows:
SCSI_RESET_NOTIFY Register callback as the reset notification function for the target.
SCSI_RESET_CANCEL Cancel the reset notification request for the target.
The HBA driver maintains a list of reset notification requests registered by the target drivers. When a bus reset occurs, the HBA
driver notifies registered target drivers by calling the callback routine, callback, with the argument, arg, for each registered target.
RETURN VALUES
For SCSI_RESET_NOTIFY requests, tran_reset_notify() must return DDI_SUCCESS if the notification request has been accepted, and DDI_FAIL-
URE otherwise.
For SCSI_RESET_CANCEL requests, tran_reset_notify() must return DDI_SUCCESS if the notification request has been canceled, and DDI_FAILURE
otherwise.
SEE ALSO attach(9E), scsi_ifgetcap(9F), scsi_reset_notify(9F), scsi_address(9S), scsi_hba_tran(9S)
Writing Device Drivers
SunOS 5.10 30 Aug 1995 tran_reset_notify(9E)
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