Changeset 40840 in vbox

Timestamp:

Apr 10, 2012 8:19:34 AM (13 years ago)

Author:

vboxsync

Message:

Storage/Debug: Function to log a CUE sheet

Location:

trunk

Files:

• include/VBox/scsi.h (modified) (1 diff)
• src/VBox/Devices/Storage/Debug.cpp (modified) (2 diffs)

trunk/include/VBox/scsi.h

@@ -271 +271 @@
 int SCSILogModePage(char *pszBuf, size_t cchBuffer, uint8_t *pbModePage,
                     size_t cbModePage);
+int SCSILogCueSheet(char *pszBuf, size_t cchBuffer, uint8_t *pbCueSheet,
+                    size_t cbCueSheet);
 #endif
 

trunk/src/VBox/Devices/Storage/Debug.cpp

@@ -1043 +1043 @@
 
 /**
- * Log a mode page to a human readable form.
+ * Log a mode page in a human readable form.
  *
  * @returns VBox status code.
@@ -1093 +1093 @@
     return rc;
 }
+
+/**
+ * Log a cue sheet in a human readable form.
+ *
+ * @returns VBox status code.
+ * @retval VERR_BUFFER_OVERFLOW if the given buffer is not large enough.
+ *         The buffer might contain valid data though.
+ * @param  pszBuffer     The buffer to log into.
+ * @param  cchBuffer     Size of the buffer in characters.
+ * @param  pbCueSheet    The cue sheet buffer.
+ * @param  cbCueSheet    Size of the cue sheet buffer in bytes.
+ */
+int SCSILogCueSheet(char *pszBuffer, size_t cchBuffer, uint8_t *pbCueSheet,
+                    size_t cbCueSheet)
+{
+    int rc = VINF_SUCCESS;
+    size_t cch = 0;
+    unsigned cCueSheetEntries = cbCueSheet / 8;
+
+    AssertReturn(cbCueSheet % 8 == 0, VERR_INVALID_PARAMETER);
+
+    for (unsigned i = 0; i < cCueSheetEntries; i++)
+    {
+        cch = RTStrPrintf(pszBuffer, cchBuffer,
+                          "CTL/ADR=%#x TNO=%#x INDEX=%#x DATA=%#x SCMS=%#x TIME=%u:%u:%u\n",
+                          pbCueSheet[0], pbCueSheet[1], pbCueSheet[2], pbCueSheet[3],
+                          pbCueSheet[4], pbCueSheet[5], pbCueSheet[6], pbCueSheet[7]);
+        pszBuffer += cch;
+        cchBuffer -= cch;
+        if (!cchBuffer)
+        {
+            rc = VERR_BUFFER_OVERFLOW;
+            break;
+        }
+
+        pbCueSheet += 8;
+        cbCueSheet -= 8;
+    }
+
+    return rc;
+}
+