Author: mav
Date: Tue Jan 3 17:04:09 2012
New Revision: 229395
URL: http://svn.freebsd.org/changeset/base/229395
Log:
Add support for CDRIOCGETBLOCKSIZE and CDRIOCSETBLOCKSIZE IOCTLs to control
sector size same as acd driver does. Together with r228808 and r228847 this
allows existing multimedia/vlc to play Audio CDs via CAM cd driver.
PR: ports/162190
MFC after: 1 week
Modified:
head/sys/cam/scsi/scsi_cd.c
Modified: head/sys/cam/scsi/scsi_cd.c
==============================================================================
--- head/sys/cam/scsi/scsi_cd.c Tue Jan 3 16:54:47 2012 (r229394)
+++ head/sys/cam/scsi/scsi_cd.c Tue Jan 3 17:04:09 2012 (r229395)
@@ -2685,6 +2685,16 @@ cdioctl(struct disk *dp, u_long cmd, voi
error = cdsetspeed(periph, CDR_MAX_SPEED, *(u_int32_t *)addr);
cam_periph_unlock(periph);
break;
+ case CDRIOCGETBLOCKSIZE:
+ *(int *)addr = softc->params.blksize;
+ break;
+ case CDRIOCSETBLOCKSIZE:
+ if (*(int *)addr <= 0) {
+ error = EINVAL;
+ break;
+ }
+ softc->disk->d_sectorsize = softc->params.blksize = *(int
*)addr;
+ break;
case DVDIOCSENDKEY:
case DVDIOCREPORTKEY: {
struct dvd_authinfo *authinfo;
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