Bug 789949

Summary: RFE: PCI/sysfs: add per pci device msi[x] irq listing
Product: Red Hat Enterprise Linux 6 Reporter: Anton Arapov <anton>
Component: kernelAssignee: Petr Holasek <pholasek>
Status: CLOSED DUPLICATE QA Contact: Endre "Hrebicek" Balint-Nagy <endre>
Severity: high Docs Contact:
Priority: unspecified    
Version: 6.4CC: anton, benl, dhoward, endre, nhorman, nobody
Target Milestone: rcKeywords: FutureFeature
Target Release: ---   
Hardware: Unspecified   
OS: Unspecified   
Whiteboard:
Fixed In Version: Doc Type: Enhancement
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2012-04-19 08:53:15 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Bug Depends On:    
Bug Blocks: 710576, 789946, 853276    
Attachments:
Description Flags
upstream commit none

Description Anton Arapov 2012-02-13 10:46:24 UTC
backport of the upstream kernel commit da8d1c8ba4dcb16d60be54b233deca9a7cac98dc

commit da8d1c8ba4dcb16d60be54b233deca9a7cac98dc
Author: Neil Horman <nhorman>
Date:   Thu Oct 6 14:08:18 2011 -0400

    PCI/sysfs: add per pci device msi[x] irq listing (v5)
    
    This patch adds a per-pci-device subdirectory in sysfs called:
    /sys/bus/pci/devices/<device>/msi_irqs
    
    This sub-directory exports the set of msi vectors allocated by a given
    pci device, by creating a numbered sub-directory for each vector beneath
    msi_irqs.  For each vector various attributes can be exported.
    Currently the only attribute is called mode, which tracks the
    operational mode of that vector (msi vs. msix)
    
    Acked-by: Greg Kroah-Hartman <gregkh>
    Signed-off-by: Jesse Barnes <jbarnes>

this is required bits for the feature request from bug 710576, in priority list.

Comment 1 Anton Arapov 2012-02-13 10:49:53 UTC
Created attachment 561501 [details]
upstream commit

Comment 3 Petr Holasek 2012-04-19 08:53:15 UTC

*** This bug has been marked as a duplicate of bug 794767 ***