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

scsi_destroy_pkt - free an allocated SCSI packet and its DMA resource

#include <sys/scsi/scsi.h>
void scsi_destroy_pkt(struct scsi_pkt *pktp);

illumos DDI specific (illumos DDI).

Pointer to a scsi_pkt(9S) structure.

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.

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

Example 1 Releasing resources


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

Writing Device Drivers

January 16, 2006 OmniOS