tran_sync_pkt man page on SunOS
[printable version]
tran_sync_pkt(9E) Driver Entry Points tran_sync_pkt(9E)
NAME
tran_sync_pkt - SCSI HBA memory synchronization entry point
SYNOPSIS
#include <sys/scsi/scsi.h>
void prefixtran_sync_pkt(struct scsi_address *ap, struct scsi_pkt
*pkt);
INTERFACE LEVEL
Solaris architecture specific (Solaris DDI).
PARAMETERS
ap A pointer to a scsi_address(9S) structure.
pkt A pointer to a scsi_pkt(9S) structure.
DESCRIPTION
The tran_sync_pkt() vector in the scsi_hba_tran(9S) structure must be
initialized during the HBA driver's attach(9E) to point to an HBA
driver entry point to be called when a target driver calls
scsi_sync_pkt(9F).
tran_sync_pkt() must synchronize a HBA's or device's view of the data
associated with the pkt, typically by calling ddi_dma_sync(9F). The
operation may also involve HBA hardware-specific details, such as
flushing I/O caches, or stalling until hardware buffers have been
drained.
SEE ALSO
attach(9E), tran_init_pkt(9E), ddi_dma_sync(9F), scsi_hba_attach(9F),
scsi_init_pkt(9F), scsi_sync_pkt(9F), scsi_address(9S),
scsi_hba_tran(9S), scsi_pkt(9S)
Writing Device Drivers
NOTES
A target driver may call tran_sync_pkt() on packets for which no DMA
resources were allocated.
SunOS 5.10 1 Nov 1993 tran_sync_pkt(9E)
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