"Compound of node and transaction ID" (APP/LFS)

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Focus:	Maintenance / Operation
Structures:	Abstract / Concrete

Ancestry:

0x000	pkt	DirDump
0x008	bf	NODETRANID flag

Definition:

Alignment:	2-byte boundary
APID:	1608/0x648:5
Attribute(s):
C type:	unsigned short
Length:	16 bits (2 bytes)
Offset:	0x008

Description:

Compound of node and transaction ID

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Item Type and Name

NODETRANID (bf)
|  NODE nid (0-3)
|  TRANID tranID (4-15)

typedef struct _LFS_NODETRANID_Bfl {

    #if ENDIANNESS_IS_BIG

    /* Computer to send the command to */
    unsigned short       nid:4;

    /* Transaction ID to associate with command */
    unsigned short       tranID:12;

    #elif ENDIANNESS_IS_LITTLE

    /* Transaction ID to associate with command */
    unsigned short       tranID:12;

    /* Computer to send the command to */
    unsigned short       nid:4;

    #else

    #error _FILE_ ENDIANNESS NOT DEFINED

    #endif

} __attribute__((packed)) LFS_NODETRANID_Bfl;

typedef union _LFS_NODETRANID {

    /* underlying unsigned short */
    unsigned short                  us;

    /* struct mapped bitfield */
    struct _LFS_NODETRANID_Bfl      bf;

} LFS_NODETRANID;