Add interface for retrieval of last SCSI sense command.

NEWS

@@ -1,4 +1,9 @@
-$Id: NEWS,v 1.124 2008/10/20 01:10:19 rocky Exp $
+version 0.83 (git)
+
+- Add Recording and retrieval of SCSI sense reply. 
+- Add Write/burning interface.
+- Tolerance for OS's without timezone in their struct tm (e.g. Solaris)
+  added iso9660_set_{d,l}time_with_timezone
 
 version 0.82
 2009-10-27

THANKS

@@ -62,6 +62,9 @@ Svend S. Sorensen <ssorensen at fastmail.fm>
 xboxmediacenter team (www.xboxmediacenter.de)
  X-Box detection and XDF filesystem things
 
+Thomas Schmitt
+  Recording and retrieval of SCSI sense reply. Write/burning interface.
+
 Daniel Schwarz
  log-summary option in cd-paranoia.
 

include/cdio/mmc.h

@@ -1,7 +1,5 @@
 /*
-    $Id: mmc.h,v 1.32 2008/05/09 06:13:32 edsdead Exp $
+    Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009
-
-    Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008
                   Rocky Bernstein <rocky@gnu.org>
 
     This program is free software: you can redistribute it and/or modify
@@ -375,6 +373,7 @@ typedef struct mmc_cdb_s {
     unsigned char profile_msb;
     unsigned char profile_lsb;
   } cdio_mmc_feature_list_header_t;
+
   /** An enumeration indicating whether an MMC command is sending
     data, or getting data, or does none of both.
   */
@@ -383,9 +382,13 @@ typedef struct mmc_cdb_s {
     SCSI_MMC_DATA_WRITE,
     SCSI_MMC_DATA_NONE
   } cdio_mmc_direction_t;
-  /** Indicate to applications that SCSI_MMC_DATA_NONE is available
+  /** Indicate to applications that SCSI_MMC_DATA_NONE is available.
+      It has been added after version 0.82 and should be used with commands
+      that neither read nor write payload bytes. (At least on Linux such
+      commands did work with SCSI_MMC_DATA_READ or SCSI_MMC_DATA_WRITE, too.)
   */
 #define SCSI_MMC_HAS_DIR_NONE 1
+  
   typedef struct mmc_subchannel_s
   {
     uint8_t       reserved;
@@ -814,6 +817,23 @@ mmc_audio_read_subchannel (CdIo_t *p_cdio,
                    cdio_mmc_direction_t e_direction, unsigned int i_buf,
                    /*in/out*/ void *p_buf );
 
+  /** Obtain the SCSI sense reply of the most-recently-performed MMC command.
+      These bytes give an indication of possible problems which occured in
+      the drive while the command was performed. With some commands they tell
+      about the current state of the drive (e.g. 00h TEST UNIT READY).
+      @param sense       returns the sense bytes received from the drive.
+                         This is allocated memory or NULL if no sense bytes are
+                         available. Dispose non-NULL pointers by free() when
+                         no longer needed.
+                         See SPC-3 4.5.3 Fixed format sense data.
+                         SCSI error codes as of SPC-3 Annex D, MMC-5 Annex F:
+                         sense[2]&15 = Key , sense[12] = ASC , sense[13] = ASCQ
+      @return            number of valid bytes in sense,
+                         0 in case of no sense bytes available,
+                         <0 in case of internal error.
+  */
+  int mmc_last_cmd_sense ( const CdIo_t *p_cdio, unsigned char **sense);
+
   /**
     Set the block size for subsequest read requests, via MMC.
   */

lib/driver/generic.h

@@ -1,7 +1,5 @@
 /*
-  $Id: generic.h,v 1.16 2008/04/22 15:29:12 karl Exp $
+  Copyright (C) 2004, 2005, 2006, 2008, 2009 Rocky Bernstein <rocky@gnu.org>
-
-  Copyright (C) 2004, 2005, 2006, 2008 Rocky Bernstein <rocky@gnu.org>
 
   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
@@ -67,6 +65,15 @@ extern "C" {
     cdtext_t  cdtext;       /**< CD-Text for disc. */
     cdtext_t  cdtext_track[CDIO_CD_MAX_TRACKS+1]; /**< CD-TEXT for each track*/
     track_flags_t track_flags[CDIO_CD_MAX_TRACKS+1];
+
+    /* Memorized sense reply of the most recent SCSI command.
+       Recorded by driver implementations of cdio_funcs_t.run_mmc_cmd(). 
+       Read by API function mmc_get_cmd_scsi_sense().
+    */
+    unsigned char  scsi_mmc_sense[263];   /* See SPC-3 4.5.3 : 252 bytes legal
+                                             but 263 bytes possible */
+    int            scsi_mmc_sense_valid;  /* Number of valid sense bytes */
+
   } generic_img_private_t;
 
   /*!
@@ -226,3 +233,12 @@ extern "C" {
 #endif /* __cplusplus */
 
 #endif /* __CDIO_GENERIC_H__ */
+
+
+/* 
+ * Local variables:
+ *  c-file-style: "gnu"
+ *  tab-width: 8
+ *  indent-tabs-mode: nil
+ * End:
+ */

lib/driver/libcdio.sym

@@ -201,6 +201,7 @@ mmc_get_mcn
 mmc_get_media_changed
 mmc_get_tray_status
 mmc_have_interface
+mmc_last_cmd_sense
 mmc_mode_sense
 mmc_mode_sense_10
 mmc_mode_sense_6

lib/driver/mmc.c

@@ -963,6 +963,23 @@ mmc_run_cmd_len( const CdIo_t *p_cdio, unsigned int i_timeout_ms,
                                      p_cdb, e_direction, i_buf, p_buf);
 }
 
+/* Added in version 0.83 by scdbackup */
+int
+mmc_last_cmd_sense( const CdIo_t *p_cdio, unsigned char **sense)
+{
+  generic_img_private_t *gen = p_cdio->env;
+
+  if (!p_cdio) return DRIVER_OP_UNINIT;
+  *sense = NULL;
+  if (gen->scsi_mmc_sense_valid <= 0)
+	return 0;
+  *sense = calloc(1, gen->scsi_mmc_sense_valid);
+  if (*sense == NULL)
+    return DRIVER_OP_ERROR;
+  memcpy(*sense, gen->scsi_mmc_sense, gen->scsi_mmc_sense_valid);
+  return gen->scsi_mmc_sense_valid;
+}
+
 
 /*! Return the byte size returned on a MMC READ command (e.g. READ_10,
     READ_MSF, ..)

lib/iso9660/iso9660.c

@@ -1,6 +1,4 @@
 /*
-  $Id: iso9660.c,v 1.41 2008/06/25 08:01:54 rocky Exp $
-
   Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009
   Rocky Bernstein <rocky@gnu.org>
   Copyright (C) 2000 Herbert Valerio Riedel <hvr@gnu.org>