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openct ioctl in bios_wini driver, needed for sanity check in autopart

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Ben Gras 2005-09-24 12:26:31 +00:00
parent e9441a8972
commit b52c0732d8
1 changed files with 23 additions and 8 deletions
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31
drivers/bios_wini/bios_wini.c
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@ -71,7 +71,7 @@ FORWARD _PROTOTYPE( int w_do_open, (struct driver *dp, message *m_ptr) );
FORWARD _PROTOTYPE( int w_do_close, (struct driver *dp, message *m_ptr) );
FORWARD _PROTOTYPE( void w_init, (void) );
FORWARD _PROTOTYPE( void w_geometry, (struct partition *entry));
FORWARD _PROTOTYPE( int nop_other, (struct driver *dp, message *m_ptr) );
FORWARD _PROTOTYPE( int w_other, (struct driver *dp, message *m_ptr) );
/* Entry points to this driver. */
PRIVATE struct driver w_dtab = {
@ -87,7 +87,7 @@ PRIVATE struct driver w_dtab = {
nop_alarm, /* ignore leftover alarms */
nop_cancel, /* ignore CANCELs */
nop_select, /* ignore selects */
nop_other, /* catch-all for unrecognized commands and ioctls */
w_other, /* catch-all for unrecognized commands and ioctls */
NULL /* leftover hardware interrupts */
};
@ -477,13 +477,28 @@ struct partition *entry;
}
/*============================================================================*
* nop_other *
* w_other *
*============================================================================*/
PRIVATE int nop_other(dp, m_ptr)
struct driver *dp;
message *m_ptr;
PRIVATE int w_other(dr, m)
struct driver *dr;
message *m;
{
printf("bios_wini: in nop_other\n");
return OK;
int r, timeout, prev;
if (m->m_type != DEV_IOCTL ) {
return EINVAL;
}
if (m->REQUEST == DIOCOPENCT) {
int count;
if (w_prepare(m->DEVICE) == NIL_DEV) return ENXIO;
count = w_wn->open_ct;
if ((r=sys_datacopy(SELF, (vir_bytes)&count,
m->PROC_NR, (vir_bytes)m->ADDRESS, sizeof(count))) != OK)
return r;
return OK;
}
return EINVAL;
}