scsi_destroy_pkt - free an allocated SCSI packet and its DMA resource
void scsi_destroy_pkt(struct scsi_pkt *pktp);
illumos DDI specific (illumos DDI).
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
Example 1 Releasing resources