git: msix: Rework MSI-X allocation, step 1/3

[Sepherosa Ziehau <sephe@xxxxxxxxxxxxxxxxxxxxxxx>]

commit 31646171933faaac961652489e62d7e549656456
Author: Sepherosa Ziehau <sephe@dragonflybsd.org>
Date:   Mon Jan 16 15:10:27 2012 +0800

    msix: Rework MSI-X allocation, step 1/3
    
    Add pci_{setup,teardown}_msix(), which prepare/cleanup necessary
    information for MSI-X allocation operation.

Summary of changes:
 sys/bus/pci/pci.c    |   87 +++++++++++++++++++++++++++++++++++++++++++++++--
 sys/bus/pci/pcivar.h |    2 +
 2 files changed, 85 insertions(+), 4 deletions(-)

http://gitweb.dragonflybsd.org/dragonfly.git/commitdiff/31646171933faaac961652489e62d7e549656456


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