fedora core 6 1.2949 + vserver 2.2.0

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

diff --git a/include/scsi/scsi.h b/include/scsi/scsi.h
index 659ecf4..5c0e979 100644 (file)
--- a/include/scsi/scsi.h
+++ b/include/scsi/scsi.h
@@ -25,11 +25,10 @@ extern const unsigned char scsi_command_size[8];
 #define COMMAND_SIZE(opcode) scsi_command_size[((opcode) >> 5) & 7]
 
 /*
- *     SCSI device types
+ * Special value for scanning to specify scanning or rescanning of all
+ * possible channels, (target) ids, or luns on a given shost.
  */
-
-#define MAX_SCSI_DEVICE_CODE 14
-extern const char *const scsi_device_types[MAX_SCSI_DEVICE_CODE];
+#define SCAN_WILD_CARD ~0
 
 /*
  *      SCSI opcodes
@@ -41,6 +40,7 @@ extern const char *const scsi_device_types[MAX_SCSI_DEVICE_CODE];
 #define FORMAT_UNIT           0x04
 #define READ_BLOCK_LIMITS     0x05
 #define REASSIGN_BLOCKS       0x07
+#define INITIALIZE_ELEMENT_STATUS 0x07
 #define READ_6                0x08
 #define WRITE_6               0x0a
 #define SEEK_6                0x0b
@@ -65,6 +65,7 @@ extern const char *const scsi_device_types[MAX_SCSI_DEVICE_CODE];
 #define READ_10               0x28
 #define WRITE_10              0x2a
 #define SEEK_10               0x2b
+#define POSITION_TO_ELEMENT   0x2b
 #define WRITE_VERIFY          0x2e
 #define VERIFY                0x2f
 #define SEARCH_HIGH           0x30
@@ -96,7 +97,9 @@ extern const char *const scsi_device_types[MAX_SCSI_DEVICE_CODE];
 #define PERSISTENT_RESERVE_IN 0x5e
 #define PERSISTENT_RESERVE_OUT 0x5f
 #define REPORT_LUNS           0xa0
+#define MAINTENANCE_IN        0xa3
 #define MOVE_MEDIUM           0xa5
+#define EXCHANGE_MEDIUM       0xa6
 #define READ_12               0xa8
 #define WRITE_12              0xaa
 #define WRITE_VERIFY_12       0xae
@@ -112,7 +115,12 @@ extern const char *const scsi_device_types[MAX_SCSI_DEVICE_CODE];
 #define SERVICE_ACTION_IN     0x9e
 /* values for service action in */
 #define        SAI_READ_CAPACITY_16  0x10
+/* values for maintenance in */
+#define MI_REPORT_TARGET_PGS  0x0a
 
+/* Values for T10/04-262r7 */
+#define        ATA_16                0x85      /* 16-byte pass-thru */
+#define        ATA_12                0xa1      /* 12-byte pass-thru */
 
 /*
  *  SCSI Architecture Model (SAM) Status codes. Taken from SAM-3 draft
@@ -208,10 +216,14 @@ static inline int scsi_status_is_good(int status)
                                     * - treated as TYPE_DISK */
 #define TYPE_MEDIUM_CHANGER 0x08
 #define TYPE_COMM           0x09    /* Communications device */
-#define TYPE_ENCLOSURE      0x0d    /* Enclosure Services Device */
 #define TYPE_RAID           0x0c
+#define TYPE_ENCLOSURE      0x0d    /* Enclosure Services Device */
+#define TYPE_RBC           0x0e
 #define TYPE_NO_LUN         0x7f
 
+/* Returns a human-readable name for the device */
+extern const char * scsi_device_type(unsigned type);
+
 /*
  * standard mode-select header prepended to all mode-select commands
  */
@@ -420,4 +432,10 @@ struct scsi_lun {
 /* Used to obtain the PCI location of a device */
 #define SCSI_IOCTL_GET_PCI             0x5387
 
+/* Pull a u32 out of a SCSI message (using BE SCSI conventions) */
+static inline __u32 scsi_to_u32(__u8 *ptr)
+{
+       return (ptr[0]<<24) + (ptr[1]<<16) + (ptr[2]<<8) + ptr[3];
+}
+
 #endif /* _SCSI_SCSI_H */