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Implement CDIOCCLOSE

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This commit is contained in:
Andrey A. Chernov 1996-06-09 12:17:53 +00:00
parent 58e025d580
commit 88926e45d5
1 changed files with 16 additions and 4 deletions
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20
sys/i386/isa/wcd.c
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@ -250,7 +250,7 @@ static void wcd_describe (struct wcd *t);
static int wcd_open(dev_t dev, int rawflag);
static int wcd_setchan (struct wcd *t,
u_char c0, u_char c1, u_char c2, u_char c3);
static int wcd_eject (struct wcd *t);
static int wcd_eject (struct wcd *t, int closeit);
static struct kern_devconf cftemplate = {
0, 0, 0, "wcd", 0, { MDDT_DISK, 0 },
@ -740,7 +740,12 @@ int wcdioctl (dev_t dev, int cmd, caddr_t addr, int flag, struct proc *p)
* by somebody (not us) in block mode. */
if ((t->flags & F_BOPEN) && t->refcnt)
return (EBUSY);
return wcd_eject (t);
return wcd_eject (t, 0);
case CDIOCCLOSE:
if ((t->flags & F_BOPEN) && t->refcnt)
return (0);
return wcd_eject (t, 1);
case CDIOREADTOCHEADER:
if (! t->toc.hdr.ending_track)
@ -1068,7 +1073,7 @@ static int wcd_setchan (struct wcd *t,
0, (char*) &t->au, - sizeof (t->au));
}
static int wcd_eject (struct wcd *t)
static int wcd_eject (struct wcd *t, int closeit)
{
struct atapires result;
@ -1081,12 +1086,16 @@ static int wcd_eject (struct wcd *t)
if (result.code == RES_ERR &&
((result.error & AER_SKEY) == AER_SK_NOT_READY ||
(result.error & AER_SKEY) == AER_SK_UNIT_ATTENTION)) {
int err;
if (!closeit)
return (0);
/*
* The disc was unloaded.
* Load it (close tray).
* Read the table of contents.
*/
int err = wcd_request_wait (t, ATAPI_START_STOP,
err = wcd_request_wait (t, ATAPI_START_STOP,
0, 0, 0, 3, 0, 0, 0, 0, 0, 0, 0);
if (err)
return (err);
@ -1106,6 +1115,9 @@ static int wcd_eject (struct wcd *t)
return (EIO);
}
if (closeit)
return (0);
/* Give it some time to stop spinning. */
tsleep ((caddr_t)&lbolt, PRIBIO, "wcdej1", 0);
tsleep ((caddr_t)&lbolt, PRIBIO, "wcdej2", 0);