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hv: vpci: a minor fix about handling vmsix table mmio access for post-launched VM 

In "commit 90480d" we use a pointer new_owner to point to the actual vPCI device
for post-launched VM when this device is assigned to this post-launched VM from
SOS. However, now DM will use SOS's vmsix_table_mmio_access_handler to trap vMSI-X
table mmio access for post-launched VM. So we should use the post-launched VM's
vPCI device in this case.

Tracked-On: #3475
Signed-off-by: Li, Fei1 <fei1.li@intel.com>
This commit is contained in:
Li, Fei1 2019-09-16 19:55:51 +08:00 committed by wenlingz
parent 60adef33d3
commit a6954486e9
1 changed files with 4 additions and 0 deletions
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4
hypervisor/dm/vpci/vmsix.c
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@ -289,6 +289,10 @@ int32_t vmsix_table_mmio_access_handler(struct io_request *io_req, void *handler
void *hva; void *hva;
vdev = (struct pci_vdev *)handler_private_data; vdev = (struct pci_vdev *)handler_private_data;
/* This device is assigned to post-launched VM from SOS */
if (vdev->new_owner != NULL) {
vdev = vdev->new_owner;
}
offset = mmio->address - vdev->msix.mmio_gpa; offset = mmio->address - vdev->msix.mmio_gpa;
if (msixtable_access(vdev, (uint32_t)offset)) { if (msixtable_access(vdev, (uint32_t)offset)) {