Cksum read error for directory - Solaris 10 Post: 302893659

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LEARN ABOUT V7

scsi_poll

scsi_poll(9F)						   Kernel Functions for Drivers 					     scsi_poll(9F)

NAME

       scsi_poll - run a polled SCSI command on behalf of a target driver

SYNOPSIS

       #include <sys/scsi/scsi.h>

       int scsi_poll(struct scsi_pkt *pkt);

INTERFACE LEVEL

       Solaris DDI specific (Solaris DDI).

PARAMETERS

       pkt	Pointer to the scsi_pkt(9S) structure.

DESCRIPTION

       scsi_poll()  requests  the  host  adapter  driver  to  run  a polled command. Unlike scsi_transport(9F) which runs commands asynchronously,
       scsi_poll() runs commands to completion before returning. If the pkt_time member of pkt is  0, the  value  of   pkt_time  is  defaulted	to
       SCSI_POLL_TIMEOUT to prevent an indefinite hang of the system.

RETURN VALUES

       scsi_poll() returns:

       0	command completed successfully.

       -1	command failed.

CONTEXT

       scsi_poll()  can be called from user or interrupt level. This function should not be called when the caller is executing timeout(9F) in the
       context of a thread.

SEE ALSO

       makecom(9F), scsi_transport(9F), scsi_pkt(9S)

       Writing Device Drivers

WARNINGS

       Since scsi_poll() runs commands to completion before returning, it may require more time than is desirable when called from interrupt  con-
       text.  Therefore, calling scsi_poll from interrupt context is not recommended.

SunOS 5.10							    30 Aug 1995 						     scsi_poll(9F)

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