PROC_INFO

Section: (9)
Updated: 17 July 2003
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NAME

proc_info - supports /proc/scsi/{driver_name}/{host_no}

SYNOPSIS

int proc_info (char * buffer, char ** start, off_t offset, int length, int hostno, int writeto1_read0);

ARGUMENTS

buffer: anchor point to output to (0==writeto1_read0) or fetch from (1==writeto1_read0).
start: where ``interesting'' data is written to. Ignored when 1==writeto1_read0.
offset: offset within buffer 0==writeto1_read0 is actually interested in. Ignored when 1==writeto1_read0 .
length: maximum (or actual) extent of buffer
hostno: -- undescribed --
writeto1_read0: 1 -> data coming from user space towards driver (e.g. ``echo some_string > /proc/scsi/xyz/2'') 0 -> user what data from this driver (e.g. ``cat /proc/scsi/xyz/2'')

DESCRIPTION

Returns length when 1==writeto1_read0. Otherwise number of chars output to buffer past offset.

REQUIRED

LOCKS

none held

NOTES

Driven from scsi_proc.c which interfaces to proc_fs

DEFINED IN

LLD

ABOUT THIS DOCUMENT

Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.1 or any later version published by the Free Software Foundation; with no Invariant Sections, with no Front-Cover Texts, and with no Back-Cover Texts. A copy of the license is included in the section entitled "GNU Free Documentation License".

If you have comments on the formatting of this manpage, then please contact Michael Still (mikal@stillhq.com).

This documentation was generated with kernel version 2.5.72.

This document was created by man2html, using the manual pages.
Time: 02:50:05 GMT, July 17, 2003