diff options
author | Jing Liu <jing2.liu@intel.com> | 2023-09-25 22:14:04 -0400 |
---|---|---|
committer | Cédric Le Goater <clg@redhat.com> | 2023-10-05 22:04:51 +0200 |
commit | 45d85f6228117dbe01d3680f1ad834389f69012f (patch) | |
tree | 20f1ac692221dafc24ae4dc8217bc249f9c625b8 /hw/vfio/pci.h | |
parent | c06327c9db960158edc8756dbc0eb25fab920656 (diff) |
vfio/pci: detect the support of dynamic MSI-X allocation
Kernel provides the guidance of dynamic MSI-X allocation support of
passthrough device, by clearing the VFIO_IRQ_INFO_NORESIZE flag to
guide user space.
Fetch the flags from host to determine if dynamic MSI-X allocation is
supported.
Originally-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: Jing Liu <jing2.liu@intel.com>
Reviewed-by: Cédric Le Goater <clg@redhat.com>
Reviewed-by: Alex Williamson <alex.williamson@redhat.com>
Signed-off-by: Cédric Le Goater <clg@redhat.com>
Diffstat (limited to 'hw/vfio/pci.h')
-rw-r--r-- | hw/vfio/pci.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/hw/vfio/pci.h b/hw/vfio/pci.h index 2d836093a8..0d89eb761e 100644 --- a/hw/vfio/pci.h +++ b/hw/vfio/pci.h @@ -113,6 +113,7 @@ typedef struct VFIOMSIXInfo { uint32_t table_offset; uint32_t pba_offset; unsigned long *pending; + bool noresize; } VFIOMSIXInfo; #define TYPE_VFIO_PCI "vfio-pci" |