xref: /titanic_41/usr/src/man/man9f/scsi_destroy_pkt.9f (revision 654b400c387942fc00d4f6869539adbd7b25fbce)
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When distributing Covered Code, include this CDDL HEADER in each file and include the License file at usr/src/OPENSOLARIS.LICENSE. If applicable, add the following below this CDDL HEADER, with the fields enclosed by brackets "[]" replaced with your own identifying information: Portions Copyright [yyyy] [name of copyright owner]
SCSI_DESTROY_PKT 9F "Jan 16, 2006"
NAME
scsi_destroy_pkt - free an allocated SCSI packet and its DMA resource
SYNOPSIS

#include <sys/scsi/scsi.h>



void scsi_destroy_pkt(struct scsi_pkt *pktp);
INTERFACE LEVEL

Solaris DDI specific (Solaris DDI).

PARAMETERS
pktp

Pointer to a scsi_pkt(9S) structure.

DESCRIPTION

The scsi_destroy_pkt() function releases all necessary resources, typically at the end of an I/O transfer. The data is synchronized to memory, then the DMA resources are deallocated and pktp is freed.

CONTEXT

The scsi_destroy_pkt() function may be called from user, interrupt, or kernel context.

EXAMPLES

Example 1 Releasing resources

scsi_destroy_pkt(un->un_rqs);
SEE ALSO

tran_destroy_pkt(9E), scsi_init_pkt(9F), scsi_pkt(9S)

Writing Device Drivers