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vfio/common: Move dirty tracking ranges update to helper

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Separate the changes that update the ranges from the listener, to
make it reusable in preparation to expand its use to vIOMMU support.

Signed-off-by: Joao Martins <joao.m.martins@oracle.com>
Reviewed-by: Zhenzhong Duan <zhenzhong.duan@intel.com>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Tested-by: Eric Auger <eric.auger@redhat.com>
[ clg: - Rebased on upstream
       - Introduced vfio_dirty_tracking_update_range()
       - Fixed typ in commit log ]
Signed-off-by: Cédric Le Goater <clg@redhat.com>
This commit is contained in:
Joao Martins 2024-06-17 08:33:55 +02:00 committed by Cédric Le Goater
parent 889833e5ae
commit 344e70945d
1 changed files with 22 additions and 16 deletions
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38
hw/vfio/common.c
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@ -839,20 +839,11 @@ static bool vfio_section_is_vfio_pci(MemoryRegionSection *section,
return false; return false;
} }
static void vfio_dirty_tracking_update(MemoryListener *listener, static void vfio_dirty_tracking_update_range(VFIODirtyRanges *range,
MemoryRegionSection *section) hwaddr iova, hwaddr end,
bool update_pci)
{ {
VFIODirtyRangesListener *dirty = container_of(listener, hwaddr *min, *max;
VFIODirtyRangesListener,
listener);
VFIODirtyRanges *range = &dirty->ranges;
hwaddr iova, end, *min, *max;
if (!vfio_listener_valid_section(section, "tracking_update") ||
!vfio_get_section_iova_range(dirty->bcontainer, section,
&iova, &end, NULL)) {
return;
}
/* /*
* The address space passed to the dirty tracker is reduced to three ranges: * The address space passed to the dirty tracker is reduced to three ranges:
@ -873,8 +864,7 @@ static void vfio_dirty_tracking_update(MemoryListener *listener,
* The alternative would be an IOVATree but that has a much bigger runtime * The alternative would be an IOVATree but that has a much bigger runtime
* overhead and unnecessary complexity. * overhead and unnecessary complexity.
*/ */
if (vfio_section_is_vfio_pci(section, dirty->bcontainer) && if (update_pci && iova >= UINT32_MAX) {
iova >= UINT32_MAX) {
min = &range->minpci64; min = &range->minpci64;
max = &range->maxpci64; max = &range->maxpci64;
} else { } else {
@ -889,7 +879,23 @@ static void vfio_dirty_tracking_update(MemoryListener *listener,
} }
trace_vfio_device_dirty_tracking_update(iova, end, *min, *max); trace_vfio_device_dirty_tracking_update(iova, end, *min, *max);
return; }
static void vfio_dirty_tracking_update(MemoryListener *listener,
MemoryRegionSection *section)
{
VFIODirtyRangesListener *dirty =
container_of(listener, VFIODirtyRangesListener, listener);
hwaddr iova, end;
if (!vfio_listener_valid_section(section, "tracking_update") ||
!vfio_get_section_iova_range(dirty->bcontainer, section,
&iova, &end, NULL)) {
return;
}
vfio_dirty_tracking_update_range(&dirty->ranges, iova, end,
vfio_section_is_vfio_pci(section, dirty->bcontainer));
} }
static const MemoryListener vfio_dirty_tracking_listener = { static const MemoryListener vfio_dirty_tracking_listener = {