MPTSPI_INITTARGET(9) Message-based devices MPTSPI_INITTARGET(9)NAME
mptspi_initTarget - Target, LUN alloc/free functionality.
void mptspi_initTarget(MPT_SCSI_HOST * hd, VirtTarget * vtarget, struct scsi_device * sdev);
Pointer to MPT_SCSI_HOST structure
per target private data
It's only SAFE to call this routine if data points to sane & valid STANDARD INQUIRY data!
Allocate and initialize memory for this target. Save inquiry data.
COPYRIGHT Kernel Hackers Manual 3.10 June 2014 MPTSPI_INITTARGET(9)
Check Out this Related Man Page
scsi_slave(9F) Kernel Functions for Drivers scsi_slave(9F)NAME
scsi_slave - utility for SCSI target drivers to establish the presence of a target
int scsi_slave(struct scsi_device *devp, int (*callback)(void));
The scsi_slave() function is obsolete. This function has been replaced by scsi_probe(9F).
devp Pointer to a scsi_device(9S) structure.
callback Pointer to a callback function, NULL_FUNC or SLEEP_FUNC.
scsi_slave() checks for the presence of a SCSI device. Target drivers may use this function in their probe(9E) routines. scsi_slave()
determines if the device is present by using a Test Unit Ready command followed by an Inquiry command. If scsi_slave() is successful, it
will fill in the scsi_inquiry structure, which is the sd_inq member of the scsi_device(9S) structure, and return SCSI_PROBE_EXISTS. This
information can be used to determine if the target driver has probed the correct SCSI device type. callback indicates what the allocator
routines should do when DMA resources are not available:
NULL_FUNC Do not wait for resources. Return a NULL pointer.
SLEEP_FUNC Wait indefinitely for resources.
Other Values callback points to a function which is called when resources may have become available. callback must return either 0
(indicating that it attempted to allocate resources but again failed to do so), in which case it is put back on a list to
be called again later, or 1 indicating either success in allocating resources or indicating that it no longer cares for a
SCSIPROBE_NOMEM No space available for structures.
SCSIPROBE_EXISTS Device exists and inquiry data is valid.
SCSIPROBE_NONCCS Device exists but inquiry data is not valid.
SCSIPROBE_FAILURE Polled command failure.
SCSIPROBE_NORESP No response to TEST UNIT READY.
scsi_slave() is normally called from the target driver's probe(9E) or attach(9E) routine. In any case, this routine should not be called
from interrupt context, because it can sleep waiting for memory to be allocated.
See attributes(5) for a description of the following attributes:
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
|Stability Level |Obsolete |
SEE ALSO attributes(5), attach(9E), probe(9E), ddi_iopb_alloc(9F), makecom(9F), scsi_dmaget(9F), scsi_ifgetcap(9F), scsi_pktalloc(9F),
scsi_poll(9F), scsi_probe(9F), scsi_device(9S)
ANSI Small Computer System Interface-2 (SCSI-2)
Writing Device Drivers
The scsi_slave() function is obsolete and will be discontinued in a future release. This function has been replaced by scsi_probe(9F).
SunOS 5.10 27 Sep 2002 scsi_slave(9F)
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