[SCSI] fix check of PQ and PDT bits for WLUNs

[linux-2.6-omap-h63xx.git] / include / scsi / scsi.h

diff --git a/include/scsi/scsi.h b/include/scsi/scsi.h
index 00137a7769ee267f76679966cdb4e5e6005d9f8d..192f8716aa9eba82b1ebdd6555090e54d3fcb279 100644 (file)
--- a/include/scsi/scsi.h
+++ b/include/scsi/scsi.h
@@ -106,6 +106,7 @@
 #define VARIABLE_LENGTH_CMD   0x7f
 #define REPORT_LUNS           0xa0
 #define MAINTENANCE_IN        0xa3
+#define MAINTENANCE_OUT       0xa4
 #define MOVE_MEDIUM           0xa5
 #define EXCHANGE_MEDIUM       0xa6
 #define READ_12               0xa8
@@ -125,6 +126,8 @@
 #define        SAI_READ_CAPACITY_16  0x10
 /* values for maintenance in */
 #define MI_REPORT_TARGET_PGS  0x0a
+/* values for maintenance out */
+#define MO_SET_TARGET_PGS     0x0a
 
 /* Values for T10/04-262r7 */
 #define        ATA_16                0x85      /* 16-byte pass-thru */
@@ -305,6 +308,20 @@ struct scsi_lun {
        __u8 scsi_lun[8];
 };
 
+/*
+ * The Well Known LUNS (SAM-3) in our int representation of a LUN
+ */
+#define SCSI_W_LUN_BASE 0xc100
+#define SCSI_W_LUN_REPORT_LUNS (SCSI_W_LUN_BASE + 1)
+#define SCSI_W_LUN_ACCESS_CONTROL (SCSI_W_LUN_BASE + 2)
+#define SCSI_W_LUN_TARGET_LOG_PAGE (SCSI_W_LUN_BASE + 3)
+
+static inline int scsi_is_wlun(unsigned int lun)
+{
+       return (lun & 0xff00) == SCSI_W_LUN_BASE;
+}
+
+
 /*
  *  MESSAGE CODES
  */