NAME

Intro, intro - introduction to kernel data structures

DESCRIPTION

Section 9S describes the data structures used by drivers to share information between the driver and the kernel.

In this section, reference pages contain the following headings:

NAME summarizes the structure's purpose.

SYNOPSIS lists the include file that defines the structure.

INTERFACE LEVEL describes any architecture dependencies.

DESCRIPTION provides general information about the structure.

STRUCTURE MEMBERS lists all accessible structure members.

SEE ALSO gives sources for further information.

Every driver MUST include <sys/ddi.h> and <sys/sunddi.h>, in that order, and last.

The following table summarizes the STREAMS structures described in this section.

Structure                          Type

copyreq

DDI/DKI

copyresp

DDI/DKI

datab

DDI/DKI

fmodsw

Solaris 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

Solaris 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

Solaris DDI

buf

DDI/DKI

cb_ops

Solaris DDI

ddi_device_acc_attr

Solaris DDI

ddi_dma_attr

Solaris DDI

ddi_dma_cookie

Solaris DDI

ddi_dma_lim_sparc

Solaris SPARC DDI

ddi_dma_lim_x86

Solaris x86 DDI

ddi_dma_req

Solaris DDI

ddi_dmae_req

Solaris x86 DDI

ddi_idevice_cookie

Solaris DDI

ddi_mapdev_ctl

Solaris DDI

devmap_callback_ctl

Solaris DDI

dev_ops

Solaris DDI

iovec

DDI/DKI

kstat

Solaris DDI

kstat_intr

Solaris DDI

kstat_io

Solaris DDI

kstat_named

Solaris DDI

map

DDI/DKI

modldrv

Solaris DDI

modlinkage

Solaris DDI

modlstrmod

Solaris DDI

scsi_address

Solaris DDI

scsi_arq_status

Solaris DDI

scsi_device

Solaris DDI

scsi_extended_sense

Solaris DDI

scsi_hba_tran

Solaris DDI

scsi_inquiry

Solaris DDI

scsi_pkt

Solaris DDI

scsi_status

Solaris DDI

uio

DDI/DKI

NOTES

Do not declare arrays of structures as the size of the structures may 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.

Name                           Description

aio_req(9S)

asynchronous I/O request structure

buf(9S)

block I/O data transfer structure

cb_ops(9S)

character/block entry points structure

copyreq(9S)

STREAMS data structure for the M_COPYIN and the

M_COPYOUT message types

copyresp(9S)

STREAMS data structure for the M_IOCDATA message

type

datab(9S)

STREAMS message data structure

ddi_device_acc_attr(9S)

data access attributes structure

ddi_dma_attr(9S)

DMA attributes structure

ddi_dma_cookie(9S)

DMA address cookie

ddi_dmae_req(9S)

DMA engine request structure

ddi_dma_lim(9S)

See ddi_dma_lim_sparc(9S)

ddi_dma_lim_sparc(9S)

SPARC DMA limits structure

ddi_dma_lim_x86(9S)

x86 DMA limits structure

ddi_dma_req(9S)

DMA Request structure

ddi_idevice_cookie(9S)

device interrupt cookie

ddi_mapdev_ctl(9S)

device mapping-control structure

devmap_callback_ctl(9S)

device mapping-control structure

dev_ops(9S)

device operations structure

fmodsw(9S)

STREAMS module declaration structure

free_rtn(9S)

structure that specifies a driver's message freeing routine

iocblk(9S)

STREAMS data structure for the M_IOCTL message type

iovec(9S)

data storage structure for I/O using uio

kstat(9S)

kernel statistics structure

kstat_intr(9S)

structure for interrupt kstats

kstat_io(9S)

structure for I/O kstats

kstat_named(9S)

structure for named kstats

linkblk(9S)

STREAMS data structure sent to multiplexor drivers to

indicate a link

modldrv(9S)

linkage structure for loadable drivers

modlinkage (9S)

module linkage structure

modlstrmod(9S)

linkage structure for loadable STREAMS modules

module_info(9S)

STREAMS driver identification and limit value structure

msgb (9S)

STREAMS message block structure

qband(9S)

STREAMS queue flow control information structure

qinit(9S)

STREAMS queue processing procedures structure

queclass(9S)

a STREAMS macro that returns the queue message class

definitions for a given message block

queue(9S)

STREAMS queue structure

scsi_address(9S)

SCSI address structure

scsi_arq_status(9S)

SCSI auto request sense structure

scsi_device(9S)

SCSI device structure

scsi_extended_sense(9S)

SCSI extended sense structure

scsi_hba_tran(9S)

SCSI Host Bus Adapter (HBA) driver transport vector

structure

scsi_inquiry(9S)

SCSI inquiry structure

scsi_pkt(9S)

SCSI packet structure

scsi_status(9S)

SCSI status structure

streamtab(9S)

STREAMS entity declaration structure

stroptions(9S)

options structure for M_SETOPTS message

tuple(9S)

Card Information Structure (CIS) access structure

uio (9S)

scatter/gather I/O request structure