sanchayanmaity/minix
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4 commits

Author SHA1 Message Date
Ben Gras 607fb6bf7f Add a flag to grants system indicating a slot is VALID; so a slot 
can be reserved (USED), while toggling VALID on and off.
 2006-06-27 12:19:45 +00:00
Ben Gras 002922fa4c New kernel call, SYS_PARAMCTL, that sets parameters of the caller 
and is therefore unprivileged. Used to set grant tables.
 2006-06-23 15:07:41 +00:00
Ben Gras d402047222 Added vectored variant of sys_safecopy*. 2006-06-23 11:54:03 +00:00
Ben Gras 3061d7b17a Changed do_devio not to require DIO_TYPE, but to extract type 
from DIO_REQUEST. Also do_vdevio. Also do_sdevio, but this
function also supports grant id's and offsets.

do_segctl: rename protected to prot.

do_umap: support for GRANT_SEG umap.

do_privctl: support SYS_PRIV_SET_GRANTS, which sets location and size
of in-own-address-space grant table.

do_safecopy: functions to verify and perform 'safe' (grant-based) copies.
 2006-06-20 10:03:10 +00:00