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Kernel Extensions and Device Support Programming Concepts

Index

Numerics
A B C D E F G H I K L M N O P R S T U V

Numerics

32-bit
- kernel extension
64-bit
- kernel extension (1), (2)

A

accented characters
asynchronous I/O subsystem
ataide_buf structure (IDE)
- fields
ATM LAN Emulation device driver
ATM LANE
- clients
  - adding
ATM MPOA client
- tracing and error logging
atmle_ctl
ATMLE_MIB_GET
ATMLE_MIB_QUERY
atomic operations
attributes

B

block (physical volumes)
block device drivers
- I/O kernel services
block I/O buffer cache
block I/O buffer cache kernel services
bootlist command
- altering list of boot devices

C

cfgmgr command
- configuring devices (1), (2)
character I/O kernel services
chdev command
- changing device characteristics
- configuring devices
child devices
CIO_ASYNC_STATUS
CIO_HALT_DONE
CIO_LOST_STATUS
CIO_NULL_BLK
CIO_START_DONE
CIO_TX_DONE
clients
- ATM LANE
  - adding
commands
- errinstall
- errlogger
- errmsg
- errpt (1), (2)
- errupdate (1), (2), (3)
- trcrpt (1), (2)
communications device handlers
communications I/O subsystem
- physical device handler model
compiling
- when using trace
complex locks
configuration
- low function terminal interface
cross-memory kernel services

D

DASD subsystem
- device block level description
- device block operation
  - cylinder
  - head
  - sector
  - track
data flushing
dataless workstations, copying a system dump on
DDS
debug
debugger (1), (2)
device attributes
- accessing
- modifying
device configuration database
- configuring
- customized database
- predefined database (1), (2)
device configuration manager
- configuration hierarchy
- configuration rules
- device dependencies graph
- device methods
- invoking
device configuration subroutines
device configuration subsystem (1), (2)
- adding unsupported devices
- configuration commands
- configuration database structure
- configuration subroutines
- database configuration procedures
- device classifications
- device dependencies
- device method level
- device types
- high-level perspective
- low-level perspective
- object classes in
- run-time configuration commands
- scope of support
- writing device methods for
Device Control Operations
- NDD_CLEAR_STATS
- NDD_DISABLE_ADDRESS
- NDD_ENABLE_ADDRESS
- NDD_GET_ALL_STATS
- NDD_GET_STATS
- NDD_MIB_ADDR
- NDD_MIB_GET
- NDD_MIB_QUERY
device dependent structure
- format
- updating
  - using the Change method
device driver
- including in a system dump
device driver management kernel services
device drivers
- adding
- device dependent structure
- display
- entry points
- interface
- pseudo
  - low function terminal
device methods
- adding devices
- Change method and device dependent structure
- changing device states
- Configure method and device dependent structure
- for changing the database and not device state
- interfaces
- interfaces to
  - run-time commands
- invoking
- method types
- source code examples of
- writing
device states
devices
- child
- dependencies
- SCSI
diacritics
diagnostics
- low function terminal interface
direct access storage device subsystem
diskless systems
- configuring dump device
- dump device for
display device driver
- interface
DMA management
- accessing data in progress
- hiding data
- setting up transfers
DMA management kernel services
dump
- configuring dump devices
- copying from dataless machines
- copying to other media
- starting
- system dump facility
dump device
- determining the size of
- determining the type of logical volume
- increasing the size of (1), (2)
dump devices

E

encapsulation
entry points
errinstall command
errlogger command
errmsg command
error conditions
error logging
error messages
- determining the text of
error record template
- sample of
errpt command (1), (2)
errsave kernel service (1), (2)
errupdate command (1), (2), (3)
Ethernet device driver
events
- management of
exception codes
- communications device handlers
exception handlers
- implementing
  - in kernel-mode (1), (2), (3), (4)
  - in user-mode
- registering
exception handling
- interrupts and exceptions
- modes
  - kernel
  - user
- processing exceptions
exception management kernel services
execution environments
- interrupt
- process

F

FCP
- adapter device driver interfaces
- asynchronous event handling (1), (2)
- autosense data
- closing the device
- command tag queuing
- consolidated commands
- data transfer for commands
- device driver interfaces
- driver transaction sequence
- dumps
- error processing
- error recovery
- fragmented commands
- initiator I/O requests
- initiator-mode recovery (1), (2)
- interfaces
- internal commands
- NACA=1 error
- openx subroutine options
- recovery from failure
- returned status
- SC_CHECK_CONDITION
- scsi_buf structure
- spanned commands
FCP Adapter device driver
- initiator-mode ioctl commands
- ioctl commands, required
FCP device driver
FDDI device driver
Fiber Distributed Data Interface device driver
file descriptor
file systems
- logical file system
- virtual file system
files
- /dev/error
- /dev/systrctl
- /etc/trcfmt (1), (2)
- sys/erec.h
- sys/err_rec.h
- sys/errids.h
- sys/trchkid.h (1), (2), (3)
- sys/trcmacros.h
filesystem
fine granularity timer services
Forum Compliant ATM LAN Emulation device driver

G

g-nodes
getattr subroutine
- modifying attributes
graphic input device

H

hardware interrupt kernel services

I

I/O kernel services
IDE subsystem
- adapter driver
  - entry points
  - ioctl commands (1), (2)
  - performing dumps
- consolidated commands
- device communication
  - initiator-mode support
- error processing
- error recovery
  - analyzing returned status
  - initiator mode
- fragmented commands
- IDE device driver
- IDEIOIDENT
- IDEIOINQU
- IDEIOREAD
- IDEIORESET
- IDEIOSTART
- IDEIOSTOP
- IDEIOSTUNIT
- IDEIOTUR
- initiator I/O request execution
- spanned commands
- structures
  - ataide_buf structure
- typical adapter transaction sequence
input device, subsystem
input ring mechanism
interface
- low function terminal subsystem
interrupt execution environment
interrupt management
- defining levels
- setting priorities
interrupt management kernel services
interrupts
- management services
INTSTOLLONG macro
ioctl commands
- SCIOCMD
iSCSI
- autosense data
- command tag queuing
- consolidated commands
- error recovery
- fragmented commands
- initiator I/O requests
- initiator-mode recovery (1), (2)
- NACA=1 error
- openx subroutine options
- returned status
- SC_CHECK_CONDITION
- scsi_buf structure
- spanned commands

K

KDB Kernel Debugger
- example files (1), (2), (3), (4), (5)
- introduction
- subcommands
kernel data
- accessing in a system call
kernel debugger
kernel environment
- base kernel services
- creation of kernel processes
- exception handling
- execution environments
  - interrupt
  - process
- libraries
  - libcsys
  - libsys
- loading kernel extensions
- private routines
- programming
  - kernel threads
kernel environment, runtime
kernel extension binding
- adding symbols to the /unix name space
- using existing libraries
kernel extension considerations
- 32-bit
kernel extension development
- 64-bit
kernel extension libraries
- libcsys
- libsys
kernel extension programming environment
- 64-bit
kernel extensions
- accessing user-mode data
  - using cross-memory services
  - using data transfer services
- interrupt priority
  - service times
- loading
- loading and binding services
- management services
- serializing access to data structures
- unloading
- using with system calls
kernel processes
kernel protection domain (1), (2), (3)
kernel services
- address family domain
- atomic operations
- categories
  - I/O (1), (2), (3), (4), (5), (6)
  - memory (1), (2), (3), (4)
- communications device handler interface
- complex locks
- device driver management (1), (2)
- errsave (1), (2)
- exception management
- fine granularity
- interface address
- loading
- lock allocation
- locking
- logical file system
- loopback
- management (1), (2)
- memory
- message queue
- multiprocessor-safe timer service
- network
- network interface device driver
- process level locks
- process management
- protocol
- Reliability Availability Serviceability (RAS)
- routing
- security
- simple locks
- time-of-day
- timer (1), (2), (3)
- unloading kernel extensions
- virtual file system
kernel structures
- encapsulation
kernel symbol resolution
- using private routines
kernel threads
- creating (1), (2)
- executing
- terminating

L

lft
LFT
- accented characters
libraries
- libcsys
- libsys
locking
- conventional locks
- kernel-mode strategy
- serializing access to a predefined data structure and
locking kernel services
lockl locks
locks
- allocation
- atomic operations
- complex
- lockl
- simple
logical file system
- component structure
  - file routines
  - v-nodes
- file system role
logical volume device driver
- bottom half
- data structures
- physical device driver interface
- pseudo-device driver role
- top half
logical volume manager
- DASD support
logical volume subsystem
- bad block processing
- logical volume device driver
- physical volumes
  - comparison with logical volumes
  - reserved sectors
LONG32TOLONG64 macro
loopback kernel services
low function terminal
- configuration commands
- functional description
- interface
low function terminal interface
- AIXwindows support
low function terminal subsystem
- accented characters supported
lsattr command
- displaying attribute characteristics of devices
lscfg command
- displaying device diagnostic information
lsconn command
- displaying device connections
lsdev command
- displaying device information
lsparent command
- displaying information about parent devices

M

macros
management kernel services
management services
- file descriptor
mbuf structures
- communications device handlers
memory buffer (mbuf) kernel services
memory buffer (mbuf) macros
memory kernel services
message queue kernel services
mkdev command
- adding devices to the system
- configuring devices
MODS (1), (2)
MPQP device handlers
- binary synchronous communication
  - message types
  - receive errors
- entry points
multiprocessor-safe timer services
Multiprotocol device handlers

N

NACA=1 error
NDD_ADAP_CHECK
NDD_AUTO_RMV
NDD_BUS_ERR
NDD_CLEAR_STATS (1), (2)
NDD_CMD_FAIL
NDD_DEBUG_TRACE
NDD_DISABLE_ADDRESS (1), (2)
NDD_DISABLE_MULTICAST
NDD_ENABLE_ADDRESS (1), (2)
NDD_ENABLE_MULTICAST
NDD_GET_ALL_STATS (1), (2)
NDD_GET_STATS (1), (2)
NDD_MIB_ADDR (1), (2)
NDD_MIB_GET (1), (2)
NDD_MIB_QUERY (1), (2)
NDD_PIO_FAIL
NDD_TX_ERROR
NDD_TX_TIMEOUT
network kernel services
- address family domain
- communications device handler interface
- interface address
- loopback
- network interface device driver
- protocol
- routing

O

object data manager
ODM
odmadd command
- adding devices to predefined database
openx subroutine
optical link device handlers

P

parameters
- long
- long long
- scalar
- signed long
- uintptr_t (1), (2)
partition (physical volumes)
PCI Token-Ring Device Driver
- trace and error logging
PCI Token-Ring High Device Driver
- entry points
PCI Token-Ring High Performance
- configuration parameters
performance tracing
physical volumes
pinning
- memory
predefined attributes object class
- accessing
- modifying
printer addition management subsystem
printer formatter
- defining embedded references
printers
- unsupported types
private routines
process execution environment
process management kernel services
processes
- creating
protection domains
pseudo device driver
- low function terminal
putattr subroutine
- modifying attributes

R

RCM
referenced routines
Reliability Availability Serviceability (RAS) kernel services
remote dump device for diskless systems
rendering context manager (1), (2)
restbase command
- restoring customized information to configuration database
rmdev command
- configuring devices
- removing devices from the system
runtime kernel environment

S

sample code
- trace format file
savebase command
- saving customized information to configuration database
sc_buf structure (SCSI)
scalar parameters
SCIOCMD
SCSI_ADAPTER_HDW_FAILURE
SCSI_ADAPTER_SFW_FAILURE
scsi_buf structure
- fields
SCSI_CMD_TIMEOUT
SCSI_FUSE_OR_TERMINAL_PWR
SCSI_HOST_IO_BUS_ERR
SCSI_NO_DEVICE_RESPONSE
SCSI subsystem
- adapter device driver
  - entry points
  - initiator-mode ioctl commands
  - ioctl operations (1), (2), (3), (4), (5), (6), (7), (8), (9)
  - performing dumps
  - responsibilities relative to SCSI device driver
  - target-mode ioctl commands
- asynchronous event handling
- command tag queuing
- device communication
  - initiator-mode support
  - target-mode support
- error processing
- error recovery
  - initiator mode
  - target mode
- initiator I/O request execution
- initiator-mode adapter transaction sequence
- SCSI device driver
- structures
  - sc_buf structure
  - tm_buf structure (1), (2)
- target-mode interface (1), (2), (3)
  - interaction with initiator-mode interface
SCSI_TRANSPORT_BUSY
SCSI_TRANSPORT_DEAD
SCSI_TRANSPORT_FAULT
SCSI_TRANSPORT_RESET
SCSI_WW_NAME_CHANGE
security kernel services
serial optical link device handlers
signal management
Small Computer Systems Interface subsystem
SOL device handlers
- changing device attributes
- configuring physical and logical devices
- entry points (1), (2)
- special files interfaces
status and exception codes
status blocks
- communications device handler
- communications device handlers and
status codes
- communications device handlers and
status codes, system dump
storage
stream-based tty subsystem
structures
- scsi_buf
subcommands, KDB Debugger
- [
- address translation
- ames
- apt
- asc
- ascsi
- b
- B
- bat
- BRAT
- breakpoint
- brk
- bt
- btac (1), (2)
- bucket
- buf
- buffer
- c
- ca
- cal
- calculator
- cat
- cbtac
- cdt
- cl
- clk
- conditional
- context
- cpl
- cpu
- ct
- ctx
- cw
- d
- dbat
- dc
- dcal
- dd
- ddpd
- ddph
- ddpw
- ddvd (1), (2)
- ddvh
- ddvw
- debug
- decode
- dev
- devno
- devnode
- devsw
- diob
- diod
- dioh
- diow
- dis
- display
- dp
- dpc
- dpd
- dpw
- dr
- dump (1), (2)
- dw
- e
- exit
- exp
- ext
- extp
- f
- fb
- fbuffer
- fifono
- fifonode
- file
- file system
- find
- findp
- fino
- g
- gfs
- gno
- gnode
- gt
- h
- hb
- hbuffer
- hcal
- heap
- help
- hi
- hino
- hinode
- his
- hist
- hno
- hnode
- hp
- ibat
- icache
- ifnet
- ino
- inode
- intr
- ipc
- ipl
- iplcb
- kernel extension loader
- kmbucket
- kmstats
- lb
- lbrk
- lbtac
- lc
- lcbtac
- lcl
- lcw
- lka
- lke
- lkh
- lkw
- lockanch
- lockhash
- lockword
- lstop-cl
- lstop-r
- lstop-rw
- lstop-w
- LVM
- lvol
- lwr
- lwrw
- lww
- m
- machine status
- mbuf
- md
- mdbat
- mdpb
- mdpd
- mdph
- mdpw
- mdvb
- mdvd
- mdvh
- mdvw
- memory allocator
- mibat
- miob
- miod
- mioh
- miow
- mount
- mp
- mpd
- mpw
- mr
- mst
- mw
- n
- namelist
- ndd
- net
- netm
- netstat
- nexti
- nm
- ns
- p
- pbuf
- pdt
- pfhdata
- pft
- ppda
- print
- proc
- process
- pta
- pte
- pvol
- q
- r
- reboot
- return
- rmap
- rmst
- rno
- rnode
- s
- S
- scb
- scd
- scdisk
- SCSI
- segst64
- set
- setup
- si
- slk
- SMP
- sock
- sockinfo
- specno
- specnode
- spl
- sr64
- stack
- start
- stat
- stbl
- ste
- step
- stepi
- stop
- stop-cl
- stop-r
- stop-rw
- stop-w
- sw
- switch
- symbol
- symptom
- system table
- tblk
- tcb
- tcpcb
- test
- th
- th_pid
- th_tid
- thread
- time
- timer
- tpid
- tr
- trace (1), (2)
- trb
- ts
- ttid
- tv
- u
- udb
- user
- var
- vfs
- vl
- vmaddr
- vmdmap
- vmker
- vmlock
- vmlocks
- vmlog
- VMM
- vmstat
- vmwait
- vno
- vnode
- volgrp
- vrld
- vsc
- vscsi
- watch
- where
- which
- wr
- wrw
- ww
- xm
- xmalloc
- zproc
subroutines
- close
- ioctl
- open
- read
- write
subsystem
- graphic input device
- low function terminal
- streams-based tty
system calls
- accessing kernel data in
- asynchronous signals
- error information
- exception handling (1), (2)
- execution
- in kernel protection domain
- in user protection domain
- nesting for kernel-mode use
- page faulting
- passing parameters
- preempting
- services for all kernel extensions
- services for kernel processes only
- setjmpx kernel service
- signal handling in
- stacking saved contexts
- using with kernel extensions
- wait termination
system dump
- checking status
- configuring dump devices
- copy from server
- copying from dataless machines
- copying on a non-dataless machine
- copying to other media
- including device driver data
- locating
- reboot in normal mode
- starting
system dump facility

T

terminal emulation
- low function terminal
threads
- creating
time-of-day kernel services
timer kernel services
- coding the timer function
- compatibility
- determining the timer service to use
- fine granularity
- reading time into time structure
- watchdog
timer service
- multiprocessor-safe
tm_buf structure (SCSI)
TOK_ADAP_INIT
TOK_ADAP_OPEN
TOK_DMA_FAIL
TOK_RECOVERY_THRESH
TOK_RING_SPEED
TOK_RMV_ADAP
TOK_WIRE_FAULT
Token-Ring (8fa2) device driver
- asynchronous state
- configuration parameters
- data reception
- data transmission
- device driver close
- device driver open
- trace and error logging
Token-Ring (8fc8) device
Token-Ring (8fc8) device driver
- configuration parameters
- trace and error logging
trace
- controlling
trace events
- defining
- event IDs
  - determining location of
- format file example
- format file stanzas
- forms of
- macros
trace facility
- configuring
- controlling
- controlling using commands
- defining events
- event IDs
- events, forms of
- hookids
- reports
- starting (1), (2)
- using
trace report
- filtering
- producing
- reading
tracing
- configuring
- starting (1), (2)
trcrpt command (1), (2)

U

user commands
- configuration
user protection domain

V

v-nodes (1), (2)
virtual file system
- configuring
- data structures (1), (2)
- file system role
- generic nodes (g-nodes)
- header files
- interface requirements
- mount points
- virtual nodes (v-nodes)
virtual file system kernel services
virtual memory management
- addressing data
- data flushing
- discarding data
- executable data
- installing pager backends
- moving data
- objects
- protecting data
- referenced routines
  - for manipulating objects
virtual memory management kernel services
virtual memory manager
vm_uiomove (1), (2), (3)

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