AIX 5L v5.2 Technical Reference: Kernel and Subsystems - download pdf or read online

This e-book presents information regarding kernel companies, gadget driving force operations, dossier approach operations, subroutines, the configuration subsystem, the communications subsystem, the low functionality terminal (LFT) subsystem, the logical quantity subsystem, the M-audio trap and playback adapter subsystem, the printer subsystem, the SCSI subsystem, and the serial DASD subsystem.This e-book is a part of the six-volume technical reference set, AIX 5L model 5.2 Technical Reference, that gives details on approach calls, kernel extension calls, and subroutines within the following volumes: * AIX 5L model 5.2 Technical Reference: Base working approach and Extensions quantity 1 and AIX 5L model 5.2 Technical Reference: Base working procedure and Extensions quantity 2 supply info on approach calls, subroutines, services, macros, and statements linked to base working procedure runtime prone. * AIX 5L model 5.2 Technical Reference: Communications quantity 1 and AIX 5L model 5.2 Technical Reference: Communications quantity 2 supply info on access issues, services, process calls, subroutines, and operations relating to communications providers. * AIX 5L model 5.2 Technical Reference: Kernel and Subsystems quantity 1 and AIX 5L model 5.2 Technical Reference: Kernel and Subsystems quantity 2 supply information regarding kernel providers, machine driving force operations, dossier method operations, subroutines, the configuration subsystem, the communications subsystem, the low functionality terminal (LFT) subsystem, the logical quantity subsystem, the M-audio catch and playback adapter subsystem, the printer subsystem, the SCSI subsystem, and the serial DASD subsystem.

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As_remap64 Kernel Service Purpose Maps a 64-bit address to a 32-bit address that can be used by the 32-bit PowerPC kernel. h> int as_remap64 (addr64, len, addr32 ) unsigned long long addr64; unsigned int len; unsigned int*addr32; Parameters addr64 len addr32 18 Specifies the 64-bit, effective address of start of range to be mapped. Specifies the number of bytes in the range to be mapped. Specifies the location where the mapped, 32–bit address will be saved by as_remap64. Technical Reference: Kernel and Subsystems, Volume 1 Description The as_remap64 service maps a 64-bit address into a 32-bit address.

Indicates that the user has insufficient authority to access the data, or the address specified in the from64 parameter is not valid. Related Information The copyinstr64 kernel service and copyout64 kernel service. 2 Kernel Extensions and Device Support Programming Concepts. copyout Kernel Service Purpose Copies data between user and kernel memory. h> int copyout ( kaddr, char *kaddr; char *uaddr; int count; uaddr, count) Parameters kaddr uaddr count Specifies the address of kernel data. Specifies the address of user data.

Copyout Kernel Service Purpose Copies data between user and kernel memory. h> int copyout ( kaddr, char *kaddr; char *uaddr; int count; uaddr, count) Parameters kaddr uaddr count Specifies the address of kernel data. Specifies the address of user data. Specifies the number of bytes to copy. Chapter 1. Kernel Services 47 Description The copyout service copies the specified number of bytes from kernel memory to user memory. It is provided so that system calls and device driver top half routines can safely access user data.

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AIX 5L v5.2 Technical Reference: Kernel and Subsystems


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