"PCI Device Header Dump" (SVC/MEM)

ITOS Mnemonic:  LMEMDUMPPCI

View Options: (help)

Focus:	Maintenance / Operation
Structures:	Abstract / Concrete

Context:

Description:

Dump data from a PCI device header.

Layout:  (hide detail; help)

PCI Device Header Dump (LMEMDUMPPCI) Telecommand Packet Format
0x	0	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15
000	Version=0			T=1	SH	APID=0x644:2
002	SF=3		Sequence Count
004	Packet Length=7
006	0	Function Code=2
008	CIDBF idents
00A	CPCIFNADDRBF addr
00C	Packet Checksum

LMEMDUMPPCI (pkt)
|  CIDBF idents (bf)
|  |  CLATUNIT latUnit (0-3)
|  |  CTRANID tranID (4-15)
|  CPCIFNADDRBF addr (bf)
|  |  CPCIBUS bus (0)
|  |  CPCIDEVICE device (1-5)
|  |  CPCIFUNCTION function (6-7)
|  |  CPAD8 pad (8-15)

typedef struct _MEM_LMEMDUMPPCI_Pkt {

    /* CCSDS header */
    char                 hdr[8];

    /* Command payload */
    MEM_LMEMDUMPPCI_Prm  pay;

} MEM_LMEMDUMPPCI_Pkt;

Fields:

CIDBF (index)

Attribute(s):  

Brief:  "LAT Unit and Transaction ID Bitfield"

Instance(s):  idents

Bitfield to contain the LAT unit that is the target of a MEM telecommand and the transaction ID for the MEM telecommand.

CPCIFNADDRBF (index)

Attribute(s):  

Brief:  "PCI Device Header Function Address Bitfield"

Instance(s):  addr

Bitfield containing PCI device header function address.