Changeset 40543 in vbox for trunk/src/VBox/Devices

Timestamp:

Mar 19, 2012 5:05:56 PM (13 years ago)

Author:

vboxsync

svn:sync-xref-src-repo-rev:

76935

Message:

Started logging of SCSI mode pages for debug builds

File:

• trunk/src/VBox/Devices/Storage/Debug.cpp (modified) (2 diffs)

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

@@ -19 +19 @@
 #include <iprt/assert.h>
 #include <iprt/types.h>
+#include <iprt/string.h>
 #include <VBox/scsi.h>
 #include "ide.h"
@@ -938 +939 @@
     return "(Unknown extended sense code)";
 }
+
+/**
+ * Log the write parameters mode page into a given buffer.
+ */
+static int scsiLogWriteParamsModePage(char *pszBuffer, size_t cchBuffer,
+                                      uint8_t *pbModePage, size_t cbModePage)
+{
+    size_t cch = 0;
+    const char *pcsz = NULL;
+
+    switch (pbModePage[2] & 0x0f)
+    {
+        case 0x00: pcsz = "Packet/Incremental"; break;
+        case 0x01: pcsz = "Track At Once"; break;
+        case 0x02: pcsz = "Session At Once"; break;
+        case 0x03: pcsz = "RAW"; break;
+        case 0x04: pcsz = "Layer Jump Recording"; break;
+        default : pcsz = "Unknown/Reserved Write Type"; break;
+    }
+
+    cch = RTStrPrintf(pszBuffer, cchBuffer, "BUFE=%d LS_V=%d TestWrite=%d WriteType=%s\n",
+                      pbModePage[2] & RT_BIT(6) ? 1 : 0,
+                      pbModePage[2] & RT_BIT(5) ? 1 : 0,
+                      pbModePage[2] & RT_BIT(4) ? 1 : 0,
+                      pcsz);
+    pszBuffer += cch;
+    cchBuffer -= cch;
+    if (!cchBuffer)
+        return VERR_BUFFER_OVERFLOW;
+
+    switch ((pbModePage[3] & 0xc0) >> 6)
+    {
+        case 0x00: pcsz = "No B0 pointer, no next session"; break;
+        case 0x01: pcsz = "B0 pointer=FF:FF:FF, no next session"; break;
+        case 0x02: pcsz = "Reserved"; break;
+        case 0x03: pcsz = "Next session allowed"; break;
+        default: pcsz = "Impossible multi session field value"; break;
+    }
+
+    cch = RTStrPrintf(pszBuffer, cchBuffer, "MultiSession=%s FP=%d Copy=%d TrackMode=%d\n",
+                      pcsz,
+                      pbModePage[3] & RT_BIT(5) ? 1 : 0,
+                      pbModePage[3] & RT_BIT(4) ? 1 : 0,
+                      pbModePage[3] & 0x0f);
+    pszBuffer += cch;
+    cchBuffer -= cch;
+    if (!cchBuffer)
+        return VERR_BUFFER_OVERFLOW;
+
+    switch (pbModePage[4] & 0x0f)
+    {
+        case  0: pcsz = "Raw data (2352)"; break;
+        case  1: pcsz = "Raw data with P and Q Sub-channel (2368)"; break;
+        case  2: pcsz = "Raw data with P-W Sub-channel (2448)"; break;
+        case  3: pcsz = "Raw data with raw P-W Sub-channel (2448)"; break;
+        case  8: pcsz = "Mode 1 (ISO/IEC 10149) (2048)"; break;
+        case  9: pcsz = "Mode 2 (ISO/IEC 10149) (2336)"; break;
+        case 10: pcsz = "Mode 2 (CD-ROM XA, form 1) (2048)"; break;
+        case 11: pcsz = "Mode 2 (CD-ROM XA, form 1) (2056)"; break;
+        case 12: pcsz = "Mode 2 (CD-ROM XA, form 2) (2324)"; break;
+        case 13: pcsz = "Mode 2 (CD-ROM XA, form 1, form 2 or mixed form) (2332)"; break;
+        default: pcsz = "Reserved or vendor specific Data Block Type Code"; break;
+    }
+
+    cch = RTStrPrintf(pszBuffer, cchBuffer, "DataBlockType=%d (%s)\n",
+                      pbModePage[4] & 0x0f,
+                      pcsz);
+    pszBuffer += cch;
+    cchBuffer -= cch;
+    if (!cchBuffer)
+        return VERR_BUFFER_OVERFLOW;
+
+    cch = RTStrPrintf(pszBuffer, cchBuffer, "LinkSize=%d\n", pbModePage[5]);
+    pszBuffer += cch;
+    cchBuffer -= cch;
+    if (!cchBuffer)
+        return VERR_BUFFER_OVERFLOW;
+
+    cch = RTStrPrintf(pszBuffer, cchBuffer, "HostApplicationCode=%d\n",
+                      pbModePage[7] & 0x3f);
+    pszBuffer += cch;
+    cchBuffer -= cch;
+    if (!cchBuffer)
+        return VERR_BUFFER_OVERFLOW;
+
+    switch (pbModePage[8])
+    {
+        case 0x00: pcsz = "CD-DA or CD-ROM or other data discs"; break;
+        case 0x10: pcsz = "CD-I Disc"; break;
+        case 0x20: pcsz = "CD-ROM XA Disc"; break;
+        default: pcsz = "Reserved"; break;
+    }
+
+    cch = RTStrPrintf(pszBuffer, cchBuffer, "SessionFormat=%d (%s)\n",
+                      pbModePage[8], pcsz);
+    pszBuffer += cch;
+    cchBuffer -= cch;
+    if (!cchBuffer)
+        return VERR_BUFFER_OVERFLOW;
+
+    return VINF_SUCCESS;
+}
+
+/**
+ * Log a mode page to 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  pbModePage    The mode page buffer.
+ * @param  cbModePage    Size of the mode page buffer in bytes.
+ */
+int SCSILogModePage(char *pszBuffer, size_t cchBuffer, uint8_t *pbModePage,
+                    size_t cbModePage)
+{
+    int rc = VINF_SUCCESS;
+    uint8_t uModePage;
+    const char *pcszModePage = NULL;
+    size_t cch = 0;
+
+    uModePage = pbModePage[0] & 0x3f;
+    switch (uModePage)
+    {
+        case 0x05: pcszModePage = "Write Parameters"; break;
+        default:
+            pcszModePage = "Unknown mode page";
+    }
+
+    cch = RTStrPrintf(pszBuffer, cchBuffer, "Byte 0: PS=%d, Page code=%d (%s)\n",
+                      pbModePage[0] & 0x80 ? 1 : 0, uModePage, pcszModePage);
+    pszBuffer += cch;
+    cchBuffer -= cch;
+    if (!cchBuffer)
+        return VERR_BUFFER_OVERFLOW;
+
+    cch = RTStrPrintf(pszBuffer, cchBuffer, "Byte 1: Page length=%u\n", pbModePage[1]);
+    pszBuffer += cch;
+    cchBuffer -= cch;
+    if (!cchBuffer)
+        return VERR_BUFFER_OVERFLOW;
+
+    switch (uModePage)
+    {
+        case 0x05:
+            rc = scsiLogWriteParamsModePage(pszBuffer, cchBuffer, pbModePage, cbModePage);
+            break;
+        default:
+            break;
+    }
+
+    return rc;
+}