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

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

illumos DDI specific (illumos 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

January 16, 2006 SCSI_DESTROY_PKT(9F)