Attempt to add FreeBSD CAM access method. Hope I havent' broken

FreeBSD otherwise.
2004-04-30 09:59:54 +00:00
parent 06a44699c8
commit a4cc1496e5
5 changed files with 1288 additions and 3 deletions
--- a/lib/FreeBSD/freebsd.h
+++ b/lib/FreeBSD/freebsd.h
@@ -0,0 +1,147 @@
+/*
+    $Id: freebsd.h,v 1.1 2004/04/30 09:59:54 rocky Exp $
+
+    Copyright (C) 2003, 2004 Rocky Bernstein <rocky@panix.com>
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program; if not, write to the Free Software
+    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+*/
+
+/* This file contains FreeBSD-specific code and implements low-level
+   control of the CD drive. Culled initially I think from xine's or
+   mplayer's FreeBSD code with lots of modifications.
+*/
+
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
+#include <cdio/sector.h>
+#include "cdio_assert.h"
+#include "cdio_private.h"
+
+/* Is this the right default? */
+#define DEFAULT_CDIO_DEVICE "/dev/acd0c"
+
+#include <string.h>
+
+#ifdef HAVE_FREEBSD_CDROM
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <errno.h>
+#include <unistd.h>
+#include <fcntl.h>
+
+#ifdef HAVE_SYS_CDIO_H
+# include <sys/cdio.h>
+#endif
+#include <sys/cdrio.h>
+
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <sys/ioctl.h>
+
+#define HAVE_FREEBSD_CAM
+#ifdef HAVE_FREEBSD_CAM
+#include <camlib.h>
+
+#include <cam/scsi/scsi_message.h>
+#include <cam/scsi/scsi_pass.h>
+#include <errno.h>
+#define ERRCODE(s)	((((s)[2]&0x0F)<<16)|((s)[12]<<8)|((s)[13]))
+#define EMEDIUMTYPE	EINVAL
+#define	ENOMEDIUM	ENODEV
+#define CREAM_ON_ERRNO(s)	do {			\
+    switch ((s)[12])					\
+    {	case 0x04:	errno=EAGAIN;	break;		\
+	case 0x20:	errno=ENODEV;	break;		\
+	case 0x21:	if ((s)[13]==0)	errno=ENOSPC;	\
+			else		errno=EINVAL;	\
+			break;				\
+	case 0x30:	errno=EMEDIUMTYPE;  break;	\
+	case 0x3A:	errno=ENOMEDIUM;    break;	\
+    }							\
+} while(0)
+#endif /*HAVE_FREEBSD_CAM*/
+
+#include <cdio/util.h>
+
+#define TOTAL_TRACKS    ( _obj->tochdr.ending_track \
+			- _obj->tochdr.starting_track + 1)
+#define FIRST_TRACK_NUM (_obj->tochdr.starting_track)
+
+typedef  enum {
+  _AM_NONE,
+  _AM_IOCTL,
+  _AM_CAM
+} access_mode_t;
+
+typedef struct {
+  /* Things common to all drivers like this. 
+     This must be first. */
+  generic_img_private_t gen; 
+
+  char *source_name;
+
+#ifdef HAVE_FREEBSD_CAM
+  char *device;
+  struct cam_device  *cam;
+  union ccb	      ccb;
+#endif
+
+  access_mode_t access_mode;
+
+  bool b_ioctl_init;
+  bool b_cam_init;
+  
+  /* Track information */
+  bool toc_init;                         /* if true, info below is valid. */
+  struct ioc_toc_header  tochdr;
+  struct cd_toc_entry tocent[100];       /* entry info for each track */
+
+} _img_private_t;
+
+bool cdio_is_cdrom_freebsd_ioctl(char *drive, char *mnttype);
+
+char *get_mcn_freebsd_ioctl (const void *env);
+
+track_format_t get_track_format_freebsd_ioctl(void *env, track_t track_num);
+bool get_track_green_freebsd_ioctl(void *env, track_t track_num);
+
+int  eject_media_freebsd_ioctl (_img_private_t *env);
+int  eject_media_freebsd_cam (_img_private_t *env);
+
+void free_freebsd_cam (void *obj);
+
+int  read_audio_sectors_freebsd_ioctl (void *env, void *data, lsn_t lsn,
+				      unsigned int nblocks);
+int  read_mode2_sector_freebsd_ioctl (void *env, void *data, lsn_t lsn, 
+				      bool b_form2);
+
+int  read_mode2_sectors_freebsd_cam (void *env, void *buf, uint32_t lba, 
+				     unsigned int nblocks, bool b_form2);
+
+bool read_toc_freebsd_ioctl (_img_private_t *_obj);
+
+/*!
+   Return the size of the CD in logical block address (LBA) units.
+ */
+uint32_t stat_size_freebsd_cam (void *env);
+uint32_t stat_size_freebsd_ioctl (void *env);
+
+bool init_freebsd_cam (_img_private_t *_obj);
+void free_freebsd_cam (void *obj);
+
+#endif /*HAVE_FREEBSD_CDROM*/