INTRO(9S) | Data Structures for Drivers | INTRO(9S) |
Intro
, intro
— introduction to kernel data structures and
properties
Section 9P describes kernel properties used by device drivers. Section 9S describes the data structures used by drivers to share information between the driver and the kernel. See Intro(9E) for an overview of device driver interfaces.
In Section 9S, reference pages contain the following headings:
Of the preceding headings, Section 9P reference pages contain the NAME, DESCRIPTION, and SEE ALSO fields.
Every driver MUST include
<sys/ddi.h>
and
<sys/sunddi.h>
, in that
order, and as final entries.
The following table summarizes the STREAMS structures described in Section 9S.
Structure | Type |
copyreq | DDI/DKI |
copyresp | DDI/DKI |
datab | DDI/DKI |
fmodsw | illumos DDI |
free_rtn | DDI/DKI |
iocblk | DDI/DKI |
linkblk | DDI/DKI |
module_info | DDI/DKI |
msgb | DDI/DKI |
qband | DDI/DKI |
qinit | DDI/DKI |
queclass | illumos DDI |
queue | DDI/DKI |
streamtab | DDI/DKI |
stroptions | DDI/DKI |
The following table summarizes structures that are not specific to STREAMS I/O.
Structure | Type |
aio_req | illumos DDI |
buf | DDI/DKI |
cb_ops | illumos DDI |
ddi_device_acc_attr | illumos DDI |
ddi_dma_attr | illumos DDI |
ddi_dma_cookie | illumos DDI |
ddi_dmae_req | illumos x86 DDI |
ddi_idevice_cookie | illumos DDI |
ddi_mapdev_ctl | illumos DDI |
devmap_callback_ctl | illumos DDI |
dev_ops | illumos DDI |
iovec | DDI/DKI |
kstat | illumos DDI |
kstat_intr | illumos DDI |
kstat_io | illumos DDI |
kstat_named | illumos DDI |
map | DDI/DKI |
modldrv | illumos DDI |
modlinkage | illumos DDI |
modlstrmod | illumos DDI |
scsi_address | illumos DDI |
scsi_arq_status | illumos DDI |
scsi_device | illumos DDI |
scsi_extended_sense | illumos DDI |
scsi_hba_tran | illumos DDI |
scsi_inquiry | illumos DDI |
scsi_pkt | illumos DDI |
scsi_status | illumos DDI |
uio | DDI/DKI |
Do not declare arrays of structures as the size of the structures can change between releases. Rely only on the structure members listed in this chapter and not on unlisted members or the position of a member in a structure.
July 9, 2018 | OmniOS |