tran_tgt_probe(9E) manual page
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tran_tgt_probe - request to probe SCSI bus for a particular target
#include <sys/scsi/scsi.h>
int prefixtran_tgt_probe(struct scsi_device
*sd, int (*waitfunc)(void));
Solaris architecture specific
(Solaris DDI).
- sd
- Pointer to a scsi_device(9S)
structure.
- waitfunc
- Pointer to either NULL_FUNC
or SLEEP_FUNC
.
The tran_tgt_probe()
vector in the scsi_hba_tran(9S)
structure may be initialized during the
HBA
driver’s attach(9E)
to point to a function to be called by scsi_probe(9F)
when called by a target driver during probe(9E)
and attach(9E)
to probe
for a particular SCSI
target on the bus. In the absence of an HBA
-specific
tran_tgt_probe() function, the default scsi_probe(9F)
behavior is supplied
by the function scsi_hba_probe(9F)
.
The possible choices the HBA
driver
may make are:
- Initialize the tran_tgt_probe vector to point to scsi_hba_probe(9F)
,
which results in the same behavior.
- Initialize the tran_tgt_probe vector
to point to a private function in the HBA
, which may call scsi_hba_probe(9F)
before or after any necessary processing, as long as all the defined scsi_probe(9F)
semantics are preserved.
waitfunc indicates what tran_tgt_probe() should
do when resources are not available:
- NULL_FUNC
- Do not wait for resources.
See scsi_probe(9F)
for defined return values if no resources are available.
- SLEEP_FUNC
- Wait indefinitely for resources.
attach(9E)
, probe(9E)
,
tran_tgt_free(9E)
, tran_tgt_init(9E)
, scsi_hba_probe(9F)
, scsi_probe(9F)
,
scsi_device(9S)
, scsi_hba_tran(9S)
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