PCICONFG Back to Index page
 
Prolog 
Control Block Contents 
   PCICONFG DSECT
   PCIHEADR DSECT
   PCICAPAB DSECT
Storage Layout 
Cross Reference (Contains links to field and bit definitions)
Programming Interface Information:
This information is NOT intended to be
used as Programming Interfaces of z/VM.

 
  PCICONFG Control Block Content Top of page
  




 PCICONFG DSECT
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Hex   Dec Type/Val   Lng Label (dup)    Comments
---- ---- --------- ---- -------------- --------
0000    0 Structure      PCICONFG       PCIe Configuration Space
0000    0 Bitstring  256 * (0)          PCI Express Configuration Space
0000    0 Bitstring   64 *              PCIe PCI Header Region
0040   64 Bitstring  192 *              PCIe Capabilities Region
0100  256 Bitstring  768 *              PCI Express Extended Config Space
          00000080       PCICFGLN       (*-PCICONFG)/8 PCI Express
                                        Configuration Space Length




 PCIHEADR DSECT
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Hex   Dec Type/Val   Lng Label (dup)    Comments
---- ---- --------- ---- -------------- --------
0000    0 Structure      PCIHEADR       PCI Header
0000    0 Signed       4 PCIEID (0)     Identifiers
0000    0 Bitstring    2 PCIEVID        Vendor Identifier
0002    2 Bitstring    2 PCIEDID        Device identifier
0004    4 Signed       2 PCIECMD (0)    Command
0004    4 Bitstring    1 PCIECMD1       Byte 1
          1... ....      PCIECZ77       B'10000000' PCIECZ77 Reserved
          .1.. ....      PCIECPEE       B'01000000' PCIECPEE Parity Error
                                        Response Enable
          ..1. ....      PCIECVGA       B'00100000' PCIECVGA VGA Palette
                                        Snooping Enable
          ...1 ....      PCIECMWI       B'00010000' PCIECMWI Memory
                                        Write/Invalidate Enable
          .... 1...      PCIECSCE       B'00001000' PCIECSCE Special
                                        Cycle Enable
          .... .1..      PCIECBME       B'00000100' PCIECBME Bus Master
                                        Enable
          .... ..1.      PCIECMSE       B'00000010' PCIECMSE Memory Space
                                        Enable
          .... ...1      PCIECIOS       B'00000001' PCIECIOS I/O Space
                                        Enable
0005    5 Bitstring    1 PCIECMD0       Byte 0
          1111 1...      PCIECRSV       B'11111000' PCIECRSV Reserved
          .... .1..      PCIECID        B'00000100' PCIECID Interrupt
                                        Disable
          .... ..1.      PCIECFBE       B'00000010' PCIECFBE Fast
                                        Back-to-Back Enable
          .... ...1      PCIECSEE       B'00000001' PCIECSEE SERR# Enable
0006    6 Signed       2 PCIESTS (0)    Device Status
0006    6 Bitstring    1 PCIESTS1       Byte 1
          1... ....      PCIESFBC       B'10000000' PCIESFBC Fast
                                        Back-to-Back Capable
          .1.. ....      PCIESZ66       B'01000000' PCIESZ66 Reserved
          ..1. ....      PCIESC66       B'00100000' PCIESC66 66 MHz
                                        Capable
          ...1 ....      PCIESCL        B'00010000' PCIESCL Capabilities
                                        List
          .... 1...      PCIESIS        B'00001000' PCIESIS Interrupt
                                        Status
          .... .111      PCIESZ20       B'00000111' PCIESZ20 Reserved
0007    7 Bitstring    1 PCIESTS0       Byte 0
          1... ....      PCIESDPE       B'10000000' PCIESDPE Detected
                                        Parity Error
          .1.. ....      PCIESSSE       B'01000000' PCIESSSE Signaled
                                        System Error
          ..1. ....      PCIESRMA       B'00100000' PCIESRMA Received
                                        Master-Abort
          ...1 ....      PCIESRTA       B'00010000' PCIESRTA Received
                                        Target-Abort
          .... 1...      PCIESSTA       B'00001000' PCIESSTA Signaled
                                        Target-Abort
          .... .11.      PCIESDEV       B'00000110' PCIESDEV DEVSEL#
                                        Timing
          .... ...1      PCIESDPD       B'00000001' PCIESDPD Master Data
                                        Parity Error
0008    8 Bitstring    1 PCIERID        Revision Identifier
0009    9 Bitstring    3 PCIECC (0)     Class Code
0009    9 Bitstring    1 PCIEPI         Programming Interface
          .... ..1.      PCIEPINE       2 PCIEPINE NVM Express
000A   10 Bitstring    1 PCIESCC        Sub Class Code
          .... 1...      PCIESCCN       8 PCIESCCN Non-Volatile Memory
                                        controller
000B   11 Bitstring    1 PCIEBCC        Base Class Code
          .... ...1      PCIEBCCM       1 PCIEBCCM Mass storage
                                        controller
000C   12 Bitstring    1 PCIECLS        Cache Line Size
000D   13 Bitstring    1 PCIEMLT        Master Latency Timer
000E   14 Bitstring    1 PCIEHTYP       Header Tupe
000F   15 Bitstring    1 PCIEBIST       Built In Self Test
0010   16 Dbl-Word     8 PCIEMLBA (0)   Memory Register Base Address
0010   16 Signed       4 PCIEBAR0       MLBAR
0014   20 Signed       4 PCIEBAR1       MUBAR
0018   24 Signed       4 PCIEBAR2       BAR2
001C   28 Signed       4 PCIEBAR3       BAR3
0020   32 Signed       4 PCIEBAR4       BAR4
0024   36 Signed       4 PCIEBAR5       BAR5
0028   40 Signed       4 PCIECCPT       CardBus CIS Pointer
002C   44 Bitstring    4 PCIESS (0)     Sub System Identifiers
002C   44 Bitstring    2 PCIESSID       Subsystem Identifier
002E   46 Bitstring    2 PCIESSVI       Subsystem Vendor Identifier
0030   48 Bitstring    4 PCIEEROM       Expansion ROM
0034   52 Bitstring    1 PCIECAP        Capabilities Pointer
0035   53 Bitstring    7 *              Reserved
003C   60 Bitstring    2 PCIEINTR (0)   Interrupt Information
003C   60 Bitstring    1 PCIEIPIN       Interrupt Pin
003D   61 Address      1 PCIEILIN       Interrupt Line
003E   62 Bitstring    1 PCIEMGNT       Minimum Grant
003F   63 Bitstring    1 PCIEMLAT       Maximum Latency
          00000008       PCIHDLEN       (*-PCIHEADR+7)/8 PCIHEADR Length




 PCICAPAB DSECT
Top of page


Hex   Dec Type/Val   Lng Label (dup)    Comments
---- ---- --------- ---- -------------- --------
0000    0 Structure      PCICAPAB       PCI Capability
0000    0 Address      1 PCICAPID       Capability identifier
          .... ...1      CAPPMI         X'01' CAPPMI PCI Power Management
                                        Interface
          .... .1.1      CAPMSI         X'05' CAPMSI Message Signaled
                                        Interruptions
          ...1 ....      CAPPCIE        X'10' CAPPCIE PCIE
          ...1 ...1      CAPMSIX        X'11' CAPMSIX MSI-Extended
0001    1 Address      1 PCICAPNX       Next capability offset
0002    2 Bitstring    1 PCICAP (0)     Capability
 
 
  PCICONFG Storage Layout Top of page
  
          
*** PCICONFG - PCIe Configuration Space
*
*     +-------------------------------------------------------+
*   0 |///////////////////////////////////////////////////////|
*     =///////////////////////////////////////////////////////=
*     |///////////////////////////////////////////////////////|
*     +-------------------------------------------------------+
*  40 |///////////////////////////////////////////////////////|
*     =///////////////////////////////////////////////////////=
*     |///////////////////////////////////////////////////////|
*     +-------------------------------------------------------+
* 100 |///////////////////////////////////////////////////////|
*     =///////////////////////////////////////////////////////=
*     |///////////////////////////////////////////////////////|
*     +-------------------------------------------------------+
* 400
*
*** PCICONFG - PCIe Configuration Space
          
*** PCIHEADR - PCI Header
*
*     +-------------+-------------+------+------+------+------+
*   0 |  PCIEVID    |  PCIEDID    |:ECMD1|:ECMD0|:ESTS1|:ESTS0|
*     +------+------+------+------+------+------+------+------+
*   8 |:ERID |PCIEPI|:ESCC |:EBCC |:ECLS |:EMLT |:EHTYP|:EBIST|
*     +------+------+------+------+------+------+------+------+
*  10 |         PCIEBAR0          |         PCIEBAR1          |
*     +---------------------------+---------------------------+
*  18 |         PCIEBAR2          |         PCIEBAR3          |
*     +---------------------------+---------------------------+
*  20 |         PCIEBAR4          |         PCIEBAR5          |
*     +---------------------------+-------------+-------------+
*  28 |         PCIECCPT          |  PCIESSID   |  PCIESSVI   |
*     +---------------------------+------+------+-------------+
*  30 |         PCIEEROM          |:ECAP |////////////////////|
*     +---------------------------+------+------+------+------+
*  38 |///////////////////////////|:EIPIN|:EILIN|:EMGNT|:EMLAT|
*     +---------------------------+------+------+------+------+
*  40
*
*** PCIHEADR - PCI Header
          
*** PCICAPAB - PCI Capability
*
*     +------+------+
*   0 |:CAPID|:CAPNX|
*     +------+------+
*
*** PCICAPAB - PCI Capability
 
 
  PCICONFG Cross Reference Top of page
  
 
Symbol         Dspl Value
-------------- ---- -----
CAPMSI         0000 05
CAPMSIX        0000 11
CAPPCIE        0000 10
CAPPMI         0000 01
PCICAP         0002
PCICAPID       0000
PCICAPNX       0001
PCICFGLN       0100 00000080
PCIEBAR0       0010
PCIEBAR1       0014
PCIEBAR2       0018
PCIEBAR3       001C
PCIEBAR4       0020
PCIEBAR5       0024
PCIEBCC        000B
PCIEBCCM       000B 01
PCIEBIST       000F
PCIECAP        0034
PCIECBME       0004 04
PCIECC         0009
PCIECCPT       0028
PCIECFBE       0005 02
PCIECID        0005 04
PCIECIOS       0004 01
PCIECLS        000C
PCIECMD        0004
PCIECMD0       0005
PCIECMD1       0004
PCIECMSE       0004 02
PCIECMWI       0004 10
PCIECPEE       0004 40
PCIECRSV       0005 F8
PCIECSCE       0004 08
PCIECSEE       0005 01
PCIECVGA       0004 20
PCIECZ77       0004 80
PCIEDID        0002
PCIEEROM       0030
PCIEHTYP       000E
PCIEID         0000
PCIEILIN       003D
PCIEINTR       003C
PCIEIPIN       003C
PCIEMGNT       003E
PCIEMLAT       003F
PCIEMLBA       0010
PCIEMLT        000D
PCIEPI         0009
PCIEPINE       0009 02
PCIERID        0008
PCIESCC        000A
PCIESCCN       000A 08
PCIESCL        0006 10
PCIESC66       0006 20
PCIESDEV       0007 06
PCIESDPD       0007 01
PCIESDPE       0007 80
PCIESFBC       0006 80
PCIESIS        0006 08
PCIESRMA       0007 20
PCIESRTA       0007 10
PCIESS         002C
PCIESSID       002C
PCIESSSE       0007 40
PCIESSTA       0007 08
PCIESSVI       002E
PCIESTS        0006
PCIESTS0       0007
PCIESTS1       0006
PCIESZ20       0006 07
PCIESZ66       0006 40
PCIEVID        0000
PCIHDLEN       003F 00000008
 
This information is based on z/VM 7.3.0 Last updated on 22 Jun 2022 at 15:53:11 EDT.
Copyright IBM Corporation, 1990, 2022