Table Of Content

(cid:1)(cid:2)(cid:3) AIX 5.L Version 5.2 Technical Reference: Kernel and Subsystems, Volume 2 SC23-4164-05 (cid:1)(cid:2)(cid:3) AIX 5.L Version 5.2 Technical Reference: Kernel and Subsystems, Volume 2 SC23-4164-05 Note Beforeusingthisinformationandtheproductitsupports,readtheinformationin“Notices,”onpage423. SixthEdition(May2004) ThiseditionappliestoAIX5LVersion5.2andtoallsubsequentreleasesofthisproductuntilotherwiseindicatedin neweditions. Areader’scommentformisprovidedatthebackofthispublication.Iftheformhasbeenremoved,address commentstoInformationDevelopment,DepartmentH6DS-905-6C006,11501BurnetRoad,Austin,Texas 78758-3493.Tosendcommentselectronically,usethiscommercialInternetaddress:[email protected] informationthatyousupplymaybeusedwithoutincurringanyobligationtoyou. ©CopyrightInternationalBusinessMachinesCorporation1997,2004.Allrightsreserved. USGovernmentUsersRestrictedRights–Use,duplicationordisclosurerestrictedbyGSAADPScheduleContract withIBMCorp. Contents About This Book . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ix Who Should Use This Book . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ix Highlighting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ix Case-Sensitivity inAIX. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ix ISO 9000 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . x 32-Bit and 64-Bit Support for the UNIX98 Specification . . . . . . . . . . . . . . . . . . . x Related Publications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . x Chapter1. Configuration Subsystem . . . . . . . . . . . . . . . . . . . . . . . . . 1 attrval Device Configuration Subroutine. . . . . . . . . . . . . . . . . . . . . . . . . 1 busresolve Device Configuration Subroutine . . . . . . . . . . . . . . . . . . . . . . . 2 genmajor Device Configuration Subroutine. . . . . . . . . . . . . . . . . . . . . . . . 4 genminor Device Configuration Subroutine. . . . . . . . . . . . . . . . . . . . . . . . 5 genseq Device Configuration Subroutine . . . . . . . . . . . . . . . . . . . . . . . . 6 getattr Device Configuration Subroutine. . . . . . . . . . . . . . . . . . . . . . . . . 7 getminor Device Configuration Subroutine. . . . . . . . . . . . . . . . . . . . . . . . 9 loadext Device Configuration Subroutine . . . . . . . . . . . . . . . . . . . . . . . . 10 putattr Device Configuration Subroutine . . . . . . . . . . . . . . . . . . . . . . . . 11 reldevno Device Configuration Subroutine . . . . . . . . . . . . . . . . . . . . . . . 12 relmajor Device Configuration Subroutine. . . . . . . . . . . . . . . . . . . . . . . . 13 Writing Optional Start and Stop Methods . . . . . . . . . . . . . . . . . . . . . . . . 14 Writing a Change Method . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 Writing a Configure Method. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 Writing a Define Method . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 Writing an Unconfigure Method . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 Writing an Undefine Method . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 Device Methods forAdapter Cards: Guidelines. . . . . . . . . . . . . . . . . . . . . . 28 Machine Device Driver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 Loading a Device Driver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36 How Device Methods Return Errors. . . . . . . . . . . . . . . . . . . . . . . . . . 36 ODM Device Configuration Object Classes . . . . . . . . . . . . . . . . . . . . . . . 37 Configuration Rules (Config_Rules) Object Class. . . . . . . . . . . . . . . . . . . . . 37 CustomizedAttribute (CuAt) Object Class . . . . . . . . . . . . . . . . . . . . . . . 39 Customized Dependency (CuDep) Object Class . . . . . . . . . . . . . . . . . . . . . 41 Customized Device Driver (CuDvDr) Object Class . . . . . . . . . . . . . . . . . . . . 41 Customized Devices (CuDv) Object Class . . . . . . . . . . . . . . . . . . . . . . . 42 Customized VPD (CuVPD) Object Class . . . . . . . . . . . . . . . . . . . . . . . . 46 PredefinedAttribute (PdAt) Object Class . . . . . . . . . . . . . . . . . . . . . . . . 46 PredefinedAttribute Extended (PdAtXtd) Object Class . . . . . . . . . . . . . . . . . . . 51 Adapter-Specific Considerations for the PredefinedAttribute (PdAt) Object Class . . . . . . . . . 54 Predefined Connection (PdCn) Object Class . . . . . . . . . . . . . . . . . . . . . . 57 Predefined Devices (PdDv) Object Class. . . . . . . . . . . . . . . . . . . . . . . . 58 Adapter-Specific Considerations for the Predefined Devices (PdDv) Object Class . . . . . . . . . 63 Chapter2. Communications Subsystem . . . . . . . . . . . . . . . . . . . . . . . 65 ddclose Communications PDH Entry Point . . . . . . . . . . . . . . . . . . . . . . . 65 dd_fastwrt Communications PDH Entry Point . . . . . . . . . . . . . . . . . . . . . . 65 CIO_GET_FASTWRT ddioctl Communications PDH Operation. . . . . . . . . . . . . . . . 66 CIO_GET_STAT ddioctl Communications PDH Operation. . . . . . . . . . . . . . . . . . 67 CIO_HALT ddioctl Communications PDH Operation. . . . . . . . . . . . . . . . . . . . 68 CIO_QUERY ddioctl Communications PDH Operation . . . . . . . . . . . . . . . . . . . 70 CIO_START ddioctl Communications PDH Operation . . . . . . . . . . . . . . . . . . . 71 ddopen (Kernel Mode) Communications PDH Entry Point. . . . . . . . . . . . . . . . . . 73 © Copyright IBM Corp. 1997, 2004 iii ddopen (User Mode) Communications PDH Entry Point . . . . . . . . . . . . . . . . . . 76 ddread Communications PDH Entry Point . . . . . . . . . . . . . . . . . . . . . . . 77 ddselect Communications PDH Entry Point . . . . . . . . . . . . . . . . . . . . . . . 78 ddwrite Communications PDH Entry Point . . . . . . . . . . . . . . . . . . . . . . . 80 ent_fastwrt Ethernet Device Handler Entry Point . . . . . . . . . . . . . . . . . . . . . 81 entclose Ethernet Device Handler Entry Point . . . . . . . . . . . . . . . . . . . . . . 83 entconfig Ethernet Device Handler Entry Point. . . . . . . . . . . . . . . . . . . . . . 84 entioctl Ethernet Device Handler Entry Point . . . . . . . . . . . . . . . . . . . . . . 85 CCC_GET_VPD (Query Vital Product Data) entioctl Ethernet Device Handler Operation . . . . . . 87 CIO_GET_FASTWRT (Get Fast Write) entioctl Ethernet Device Handler Operation . . . . . . . . 88 CIO_GET_STAT (Get Status) entioctl Ethernet Device Handler Operation. . . . . . . . . . . . 89 CIO_HALT (Halt Device) entioctl Ethernet Device Handler Operation . . . . . . . . . . . . . 90 CIO_QUERY (Query Statistics) entioctl Ethernet Device Handler Operation . . . . . . . . . . . 91 CIO_START (Start Device) entioctl Ethernet Device Handler Operation. . . . . . . . . . . . . 92 ENT_SET_MULTI (Set MulticastAddress) entioctl Ethernet Device Handler Operation . . . . . . . 94 IOCINFO (Describe Device) entioctl Ethernet Device Handler Operation . . . . . . . . . . . . 95 entmpx Ethernet Device Handler Entry Point . . . . . . . . . . . . . . . . . . . . . . 96 entopen Ethernet Device Handler Entry Point . . . . . . . . . . . . . . . . . . . . . . 97 entread Ethernet Device Handler Entry Point . . . . . . . . . . . . . . . . . . . . . . 98 entselect Ethernet Device Handler Entry Point. . . . . . . . . . . . . . . . . . . . . . 99 entwrite Ethernet Device Handler Entry Point. . . . . . . . . . . . . . . . . . . . . . 101 mpclose Multiprotocol (MPQP) Device Handler Entry Point. . . . . . . . . . . . . . . . . 102 mpconfig Multiprotocol (MPQP) Device Handler Entry Point . . . . . . . . . . . . . . . . 104 mpioctl Multiprotocol (MPQP) Device Handler Entry Point . . . . . . . . . . . . . . . . . 105 CIO_GET_STAT (Get Status) mpioctl MPQP Device Handler Operation . . . . . . . . . . . . 106 CIO_HALT (Halt Device) mpioctl MPQP Device Handler Operation . . . . . . . . . . . . . . 110 CIO_QUERY (Query Statistics) mpioctl MPQP Device Handler Operation . . . . . . . . . . . 111 CIO_START (Start Device) mpioctl MPQP Device Handler Operation . . . . . . . . . . . . . 113 MP_CHG_PARMS (Change Parameters) mpioctl MPQP Device Handler Operation. . . . . . . . 120 MP_START_AR (StartAutoresponse) and MP_STOP_AR (StopAutoresponse) mpioctl MPQP Device Handler Operations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 120 mpmpx Multiprotocol (MPQP) Device Handler Entry Point . . . . . . . . . . . . . . . . . 122 mpopen Multiprotocol (MPQP) Device Handler Entry Point. . . . . . . . . . . . . . . . . 123 mpread Multiprotocol (MPQP) Device Handler Entry Point . . . . . . . . . . . . . . . . . 125 mpselect Multiprotocol (MPQP) Device Handler Entry Point . . . . . . . . . . . . . . . . 127 mpwrite Multiprotocol (MPQP) Device Handler Entry Point . . . . . . . . . . . . . . . . . 128 tsclose Multiprotocol (PCI MPQP) Device Handler Entry Point . . . . . . . . . . . . . . . 130 tsconfig Multiprotocol (PCI MPQP) Device Handler Entry Point . . . . . . . . . . . . . . . 132 tsioctl Multiprotocol (PCI MPQP) Device Handler Entry Point . . . . . . . . . . . . . . . . 133 CIO_GET_STAT (Get Status) tsioctl PCI MPQP Device Handler Operation. . . . . . . . . . . 134 CIO_HALT (Halt Device) tsioctl PCI MPQP Device Handler Operation. . . . . . . . . . . . . 137 CIO_QUERY (Query Statistics) tsioctl PCI MPQP Device Handler Operation . . . . . . . . . . 138 CIO_START (Start Device) tsioctl PCI MPQP Device Handler Operation. . . . . . . . . . . . 140 MP_CHG_PARMS (Change Parameters) tsioctl PCI MPQP Device Handler Operation . . . . . . 144 tsmpx Multiprotocol (PCI MPQP) Device Handler Entry Point . . . . . . . . . . . . . . . . 144 tsopen Multiprotocol (PCI MPQP) Device Handler Entry Point. . . . . . . . . . . . . . . . 145 tsread Multiprotocol (PCI MPQP) Device Handler Entry Point. . . . . . . . . . . . . . . . 147 tsselect Multiprotocol (PCI MPQP) Device Handler Entry Point . . . . . . . . . . . . . . . 149 tswrite Multiprotocol (PCI MPQP) Device Handler Entry Point. . . . . . . . . . . . . . . . 150 Sense Data for the Serial Optical Link Device Driver . . . . . . . . . . . . . . . . . . . 152 sol_close Serial Optical Link Device Handler Entry Point . . . . . . . . . . . . . . . . . 154 sol_config Serial Optical Link Device Handler Entry Point . . . . . . . . . . . . . . . . . 155 sol_fastwrt Serial Optical Link Device Handler Entry Point . . . . . . . . . . . . . . . . . 156 sol_ioctl Serial Optical Link Device Handler Entry Point . . . . . . . . . . . . . . . . . . 158 CIO_GET_FASTWRT (Get Fast Write) sol_ioctl Serial Optical Link Device Handler Operation. . . . 159 CIO_GET_STAT (Get Status) sol_ioctl Serial Optical Link Device Handler Operation . . . . . . . 160 iv TechnicalReference:KernelandSubsystems,Volume2 CIO_HALT (Halt Device) sol_ioctl Serial Optical Link Device Handler Operation . . . . . . . . . 164 CIO_QUERY (Query Statistics) sol_ioctl Serial Optical Link Device Handler Operation. . . . . . . 165 CIO_START (Start Device) sol_ioctl Serial Optical Link Device Handler Operation . . . . . . . . 166 IOCINFO (Describe Device) sol_ioctl Serial Optical Link Device Handler Operation. . . . . . . . 167 SOL_CHECK_PRID (Check Processor ID) sol_ioctl Serial Optical Link Device Handler Operation 168 SOL_GET_PRIDS (Get Processor IDs) sol_ioctl Serial Optical Link Device Handler Operation. . . . 169 sol_mpx Serial Optical Link Device Handler Entry Point . . . . . . . . . . . . . . . . . . 169 sol_open Serial Optical Link Device Handler Entry Point. . . . . . . . . . . . . . . . . . 171 sol_read Serial Optical Link Device Handler Entry Point. . . . . . . . . . . . . . . . . . 172 sol_select Serial Optical Link Device Handler Entry Point . . . . . . . . . . . . . . . . . 174 sol_write Serial Optical Link Device Handler Entry Point. . . . . . . . . . . . . . . . . . 175 tokclose Token-Ring Device Handler Entry Point . . . . . . . . . . . . . . . . . . . . 177 tokconfig Token-Ring Device Handler Entry Point . . . . . . . . . . . . . . . . . . . . 178 tokdump Token-Ring Device Handler Entry Point . . . . . . . . . . . . . . . . . . . . 179 tokdumpwrt Token-Ring Device Handler Entry Point . . . . . . . . . . . . . . . . . . . 180 tokfastwrt Token-Ring Device Handler Entry Point . . . . . . . . . . . . . . . . . . . . 181 tokioctl Token-Ring Device Handler Entry Point . . . . . . . . . . . . . . . . . . . . . 182 CIO_GET_FASTWRT (Get Fast Write) tokioctl Token-Ring Device Handler Operation . . . . . . . 183 CIO_GET_STAT (Get Status) tokioctl Token-Ring Device Handler Operation . . . . . . . . . . 184 CIO_HALT (Halt Device) tokioctl Token-Ring Device Handler Operation . . . . . . . . . . . . 189 CIO_QUERY (Query Statistics) tokioctl Token-Ring Device Handler Operation. . . . . . . . . . 190 CIO_START (Start Device) tokioctl Token-Ring Device Handler Operation . . . . . . . . . . . 191 IOCINFO (Describe Device) tokioctl Token-Ring Device Handler Operation. . . . . . . . . . . 192 TOK_FUNC_ADDR (Set FunctionalAddress) tokioctl Token-Ring Device Handler Operation . . . . 193 TOK_GRP_ADDR (Set GroupAddress) tokioctl Token-Ring Device Handler Operation . . . . . . 194 TOK_QVPD (Query Vital Product Data) tokioctl Token-Ring Device Handler Operation . . . . . . 195 TOK_RING_INFO (Query Token-Ring) tokioctl Token-Ring Device Handler Operation . . . . . . . 196 tokmpx Token-Ring Device Handler Entry Point . . . . . . . . . . . . . . . . . . . . . 197 tokopen Token-Ring Device Handler Entry Point. . . . . . . . . . . . . . . . . . . . . 198 tokread Token-Ring Device Handler Entry Point. . . . . . . . . . . . . . . . . . . . . 199 tokselect Token-Ring Device Handler Entry Point . . . . . . . . . . . . . . . . . . . . 200 tokwrite Token-Ring Device Handler Entry Point. . . . . . . . . . . . . . . . . . . . . 202 Chapter3. LFT Subsystem . . . . . . . . . . . . . . . . . . . . . . . . . . . . 205 lft_t Structure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 205 lft_dds_t Structure. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 205 phys_displays Structure. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 207 vtmstruct Structure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 211 Virtual Display Driver (VDD) Interface (lftvi) . . . . . . . . . . . . . . . . . . . . . . 212 Input Device Driver ioctl Operations . . . . . . . . . . . . . . . . . . . . . . . . . 214 IOCINFO (Return devinfo Structure) ioctl Input Device Driver . . . . . . . . . . . . . . . . 215 KSQUERYID (Query Keyboard Device Identifier) . . . . . . . . . . . . . . . . . . . . 216 KSQUERYSV (Query Keyboard Service Vector). . . . . . . . . . . . . . . . . . . . . 216 KSREGRING (Register Input Ring) . . . . . . . . . . . . . . . . . . . . . . . . . 217 KSRFLUSH (Flush Input Ring) . . . . . . . . . . . . . . . . . . . . . . . . . . . 218 KSLED (Illuminate/Darken Keyboard LEDs) . . . . . . . . . . . . . . . . . . . . . . 219 KSCFGCLICK (Enable/Disable Keyboard Clicker) . . . . . . . . . . . . . . . . . . . . 219 KSVOLUME (SetAlarm Volume) ioctl . . . . . . . . . . . . . . . . . . . . . . . . 220 KSALARM (SoundAlarm) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 220 KSTRATE (Set Typematic Rate) . . . . . . . . . . . . . . . . . . . . . . . . . . 221 KSTDELAY (Set Typematic Delay). . . . . . . . . . . . . . . . . . . . . . . . . . 222 KSKAP (Enable/Disable KeepAlive Poll) . . . . . . . . . . . . . . . . . . . . . . . 222 KSKAPACK (Acknowledge KeepAlive Poll) . . . . . . . . . . . . . . . . . . . . . . 223 KSDIAGMODE (Enable/Disable Diagnostics Mode) . . . . . . . . . . . . . . . . . . . 223 MQUERYID (Query Mouse Device Identifier) . . . . . . . . . . . . . . . . . . . . . . 224 MREGRING (Register Input Ring) . . . . . . . . . . . . . . . . . . . . . . . . . . 225 Contents v MRFLUSH (Flush Input Ring) . . . . . . . . . . . . . . . . . . . . . . . . . . . 225 MTHRESHOLD (Set Mouse Reporting Threshold) . . . . . . . . . . . . . . . . . . . . 226 MRESOLUTION (Set Mouse Resolution) . . . . . . . . . . . . . . . . . . . . . . . 226 MSCALE (Set Mouse Scale Factor) . . . . . . . . . . . . . . . . . . . . . . . . . 227 MSAMPLERATE (Set Mouse Sample Rate) . . . . . . . . . . . . . . . . . . . . . . 227 TABQUERYID (Query Tablet Device Identifier) ioctl Tablet Device Driver Operation. . . . . . . . 228 TABREGRING (Register Input Ring) . . . . . . . . . . . . . . . . . . . . . . . . . 229 TABRFLUSH (Flush Input Ring . . . . . . . . . . . . . . . . . . . . . . . . . . . 229 TABCONVERSION (Set Tablet Conversion Mode) . . . . . . . . . . . . . . . . . . . . 229 TABRESOLUTION (Set Tablet Resolution). . . . . . . . . . . . . . . . . . . . . . . 230 TABORIGIN (Set Tablet Origin) . . . . . . . . . . . . . . . . . . . . . . . . . . . 231 TABSAMPLERATE (Set Tablet Sample Rate) ioctl Tablet Device Driver Operation . . . . . . . . 231 TABDEADZONE (Set Tablet Dead Zone) . . . . . . . . . . . . . . . . . . . . . . . 231 GIOQUERYID (QueryAttached Devices) . . . . . . . . . . . . . . . . . . . . . . . 232 DIALREGRING (Register Input Ring). . . . . . . . . . . . . . . . . . . . . . . . . 232 DIALRFLUSH (Flush Input Ring) . . . . . . . . . . . . . . . . . . . . . . . . . . 233 DIALSETGRAND (Set Dial Granularity) . . . . . . . . . . . . . . . . . . . . . . . . 233 LPFKREGRING (Register Input Ring) . . . . . . . . . . . . . . . . . . . . . . . . 234 LPFKRFLUSH (Flush Input Ring) . . . . . . . . . . . . . . . . . . . . . . . . . . 234 LPFKLIGHT (Set/Reset Key Lights) . . . . . . . . . . . . . . . . . . . . . . . . . 235 dd_open LFT Device Driver Interface. . . . . . . . . . . . . . . . . . . . . . . . . 235 dd_close LFT Device Driver Interface . . . . . . . . . . . . . . . . . . . . . . . . 236 dd_ioctl LFT Device Driver Interface . . . . . . . . . . . . . . . . . . . . . . . . . 236 Chapter4. Printer Subsystems . . . . . . . . . . . . . . . . . . . . . . . . . . 239 Subroutines for Print Formatters . . . . . . . . . . . . . . . . . . . . . . . . . . 239 piocmdout Subroutine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 239 pioexit Subroutine. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 240 piogetattrs Subroutine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 241 piogetopt Subroutine. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 242 piogetstatus Subroutine. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 243 piogetstr Subroutine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 244 piogetvals Subroutine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 245 piomsgout Subroutine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 247 pioputattrs Subroutine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 248 pioputstatus Subroutine. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 249 Subroutines for Writing a Print Formatter . . . . . . . . . . . . . . . . . . . . . . . 250 passthru Subroutine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 250 restore Subroutine. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 251 setup Subroutine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 252 Chapter5. SCSI Subsystem . . . . . . . . . . . . . . . . . . . . . . . . . . . 255 scdisk SCSI Device Driver. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 255 scsidisk SCSI Device Driver . . . . . . . . . . . . . . . . . . . . . . . . . . . . 270 rmt SCSI Device Driver. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 286 scsesdd SCSI Device Driver . . . . . . . . . . . . . . . . . . . . . . . . . . . . 292 SCSIAdapter Device Driver . . . . . . . . . . . . . . . . . . . . . . . . . . . . 295 SCIOCMD SCSIAdapter Device Driver ioctl Operation . . . . . . . . . . . . . . . . . . 303 SCIODIAG (Diagnostic) SCSIAdapter Device Driver ioctl Operation . . . . . . . . . . . . . 304 SCIODNLD (Download) SCSIAdapter Device Driver ioctl Operation . . . . . . . . . . . . . 306 SCIOEVENT (Event) SCSIAdapter Device Driver ioctl Operation . . . . . . . . . . . . . . 307 SCIOGTHW (Gathered Write) SCSIAdapter Device Driver ioctl Operation . . . . . . . . . . . 308 SCIOHALT (Halt) SCSIAdapter Device Driver ioctl Operation. . . . . . . . . . . . . . . . 309 SCIOINQU (Inquiry) SCSIAdapter Device Driver ioctl Operation. . . . . . . . . . . . . . . 310 SCIOREAD (Read) SCSIAdapter Device Driver ioctl Operation . . . . . . . . . . . . . . . 311 SCIORESET (Reset) SCSIAdapter Device Driver ioctl Operation . . . . . . . . . . . . . . 312 vi TechnicalReference:KernelandSubsystems,Volume2 SCIOSTART (Start SCSI)Adapter Device Driver ioctl Operation . . . . . . . . . . . . . . . 314 SCIOSTARTTGT (Start Target) SCSIAdapter Device Driver ioctl Operation. . . . . . . . . . . 315 SCIOSTOP (Stop) Device SCSIAdapter Device Driver ioctl Operation . . . . . . . . . . . . 316 SCIOSTOPTGT (Stop Target) SCSIAdapter Device Driver ioctl Operation . . . . . . . . . . . 317 SCIOSTUNIT (Start Unit) SCSIAdapter Device Driver ioctl Operation. . . . . . . . . . . . . 318 SCIOTRAM (Diagnostic) SCSIAdapter Device Driver ioctl Operation . . . . . . . . . . . . . 319 SCIOTUR (Test Unit Ready) SCSIAdapter Device Driver ioctl Operation . . . . . . . . . . . 320 tmscsi SCSI Device Driver. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 322 IOCINFO (Device Information) tmscsi Device Driver ioctl Operation . . . . . . . . . . . . . 328 TMCHGIMPARM (Change Parameters) tmscsi Device Driver ioctl Operation . . . . . . . . . . 329 TMGETSENS (Request Sense) tmscsi Device Driver ioctl Operation . . . . . . . . . . . . . 330 TMIOASYNC (Async) tmscsi Device Driver ioctl Operation. . . . . . . . . . . . . . . . . 331 TMIOCMD (Direct) tmscsi Device Driver ioctl Operation . . . . . . . . . . . . . . . . . . 331 TMIOEVNT (Event) tmscsi Device Driver ioctl Operation. . . . . . . . . . . . . . . . . . 332 TMIORESET (Reset Device) tmscsi Device Driver ioctl Operation . . . . . . . . . . . . . . 334 TMIOSTAT (Status) tmscsi Device Driver ioctl Operation . . . . . . . . . . . . . . . . . 334 Chapter6. Integrated Device Electronics (IDE) . . . . . . . . . . . . . . . . . . . . 337 IDEAdapter Device Driver. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 337 idecdrom IDE Device Driver . . . . . . . . . . . . . . . . . . . . . . . . . . . . 341 idedisk IDE Device Driver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 349 IDEIOIDENT (Identify Device) IDEAdapter Device Driver ioctl Operation . . . . . . . . . . . 355 IDEIOINQU (Inquiry) IDEAdapter Device Driver ioctl Operation . . . . . . . . . . . . . . . 356 IDEIOREAD (Read) IDEAdapter Device Driver ioctl Operation . . . . . . . . . . . . . . . 357 IDEIOSTART (Start IDE) IDEAdapter Device Driver ioctl Operation . . . . . . . . . . . . . 358 IDEIOSTOP (Stop) IDEAdapter Device Driver ioctl Operation. . . . . . . . . . . . . . . . 359 IDEIOSTUNIT (Start Unit) IDEAdapter Device Driver ioctl Operation . . . . . . . . . . . . . 360 IDEIOTUR (Test Unit Ready) IDEAdapter Device Driver ioctl Operation . . . . . . . . . . . . 361 Chapter7. SSASubsystem. . . . . . . . . . . . . . . . . . . . . . . . . . . . 363 SSASubsystem Overview. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 363 SSAAdapter Device Driver . . . . . . . . . . . . . . . . . . . . . . . . . . . . 364 SSAAdapter Device Driver Direct Call Entry Point . . . . . . . . . . . . . . . . . . . . 367 IOCINFO (Device Information) SSAAdapter Device Driver ioctl Operation . . . . . . . . . . . 367 SSA_GET_ENTRY_POINT SSAAdapter Device Driver ioctl Operation . . . . . . . . . . . . 368 SSA_TRANSACTION SSAAdapter Device Driver ioctl Operation . . . . . . . . . . . . . . 368 ssadisk SSADisk Device Driver. . . . . . . . . . . . . . . . . . . . . . . . . . . 370 IOCINFO (Device Information) SSADisk Device Driver ioctl Operation . . . . . . . . . . . . 378 SSADISK_ISALMgr_CMD (ISALManager Command) SSADisk Device Driver ioctl Operation. . . . 379 SSADISK_ISAL_CMD (ISALCommand) SSADisk Device Driver ioctl Operation. . . . . . . . . 380 SSADISK_SCSI_CMD (SCSI Command) SSADisk Device Driver ioctl Operation . . . . . . . . 382 SSADISK_LIST_PDISKS SSADisk Device Driver ioctl Operation . . . . . . . . . . . . . . 383 SSADisk Concurrent Mode of Operation Interface. . . . . . . . . . . . . . . . . . . . 384 SSADisk Fencing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 386 SSATarget Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 387 SSAtmssa Device Driver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 390 tmssa Special File. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 396 IOCINFO (Device Information) tmssa Device Driver ioctl Operation. . . . . . . . . . . . . . 397 TMIOSTAT (Status) tmssa Device Driver ioctl Operation. . . . . . . . . . . . . . . . . . 397 TMCHGIMPARM (Change Parameters) tmssa Device Driver ioctl Operation . . . . . . . . . . 398 Chapter8. Serial DASD Subsystem . . . . . . . . . . . . . . . . . . . . . . . . 401 Serial DASD Subsystem Device Driver . . . . . . . . . . . . . . . . . . . . . . . . 401 Device-Dependent Subroutines for the Serial DASD Subsystem. . . . . . . . . . . . . . . 402 Device-Dependent Subroutines for Serial DASD Operations . . . . . . . . . . . . . . . . 402 Device-Dependent Subroutines for Serial DASD Controller Operations . . . . . . . . . . . . 408 Contents vii Device-Dependent Subroutines for Serial DASDAdapter Operations . . . . . . . . . . . . . 411 Error Conditions for Serial DASD Subroutines . . . . . . . . . . . . . . . . . . . . . 415 Reliability,Availability, and Serviceability (RAS) Daemon for the Serial DASD Subsystem . . . . . 416 Serial DASD Fence Command . . . . . . . . . . . . . . . . . . . . . . . . . . . 417 Serial DASD Concurrent Mode of Operation Interface. . . . . . . . . . . . . . . . . . . 419 Appendix. Notices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 423 Trademarks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 424 Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 425 viii TechnicalReference:KernelandSubsystems,Volume2

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