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pcie: Add link speed and width fields to PCIESlot

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Add fields allowing the PCIe link speed and width of a PCIESlot to
be configured, with an instance_post_init callback on the root port
parent class to set defaults.  This allows child classes to set these
via properties or via their own instance_init callback, without
requiring all implementions to support arbitrary user selected values.

Cc: Marcel Apfelbaum <marcel.apfelbaum@gmail.com>
Tested-by: Geoffrey McRae <geoff@hostfission.com>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Alex Williamson
2018-12-12 12:39:16 -07:00
committed by Michael S. Tsirkin
parent 4695a2c500
commit ea8cfdb5d1
2 changed files with 18 additions and 0 deletions
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4
include/hw/pci/pcie_port.h
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@ -49,6 +49,10 @@ struct PCIESlot {
/* pci express switch port with slot */
uint8_t chassis;
uint16_t slot;
PCIExpLinkSpeed speed;
PCIExpLinkWidth width;
QLIST_ENTRY(PCIESlot) next;
};