Module Name: src
Committed By: msaitoh
Date: Fri Nov 30 08:19:45 UTC 2018
Modified Files:
src/sys/dev/pci: pci_subr.c
Log Message:
The downstream port of PCIe switch is not a root port, so don't print
root port related register. For example, Intel 63xxESB controller's
downstream port device was printed by pcictl(8) with this bug:
-----------------------------
PCI configuration registers:
Common header:
0x00: 0x35108086 0x00100147 0x06040001 0x00010010
Vendor Name: Intel (0x8086)
Device Name: 63xxESB PCI Express Downstream Port #1 (0x3510)
(snip)
Capability register at 0x44 <=============
type: 0x10 (PCI Express)
Capability register at 0x60 <============= 0x60 - 0x44 = 0x1c
type: 0x05 (MSI)
Capability register at 0x70
type: 0x01 (Power Management)
Capability register at 0x80
type: 0x0d (Subsystem vendor ID)
(snip)
PCI Message Signaled Interrupt
Message Control register: 0x0080
MSI Enabled: off
Multiple Message Capable: no (1 vector)
Multiple Message Enabled: off (1 vector)
64 Bit Address Capable: on
Per-Vector Masking Capable: off
Extended Message Data Capable: off
Extended Message Data Enable: off
Message Address (lower) register: 0x00000000
Message Address (upper) register: 0x00000000
Message Data register: 0x0000
(snip)
PCI Express Capabilities Register
(snip)
Root Control Register: 0x7005 <=== 0x7005 is the first two byte
SERR on Correctable Error Enable: on of the MSI capability structure
SERR on Non-Fatal Error Enable: off
SERR on Fatal Error Enable: on
PME Interrupt Enable: off
CRS Software Visibility Enable: off
Root Capability Register: 0x0080
CRS Software Visibility: off
Root Status Register: 0x00000000
PME Requester ID: 0x0000
PME was asserted: off
another PME is pending: off
Device-dependent header:
0x40: 0x00c00000 0x00616010 0x00000001 0x00005026 | |<- PCIe |
0x50: 0x0203f441 0x10010020 0x00000000 0x004803c0 | ->|
0x60: 0x00807005 0x00000000 0x00000000 0x00000000 |<- MSI ->|
0x70: 0xc8028001 0x00000100 0x00000000 0x00000000 |<- PM ->|
0x80: 0x0000000d 0x00000000 0x00000000 0x00000000 |<- subsystem ID |
--------------------------------------
To generate a diff of this commit:
cvs rdiff -u -r1.207 -r1.208 src/sys/dev/pci/pci_subr.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
