svn commit: r229395 - head/sys/cam/scsi

[Alexander Motin]

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;