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Fix: HV: VM OS failed to assign new address to pci-vuart BARs

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When wrong BAR address is set for pci-vuart, OS may assign a
new BAR address to it. Pci-vuart BAR can't be reprogrammed,
for its fixed value.

Remove the fixed value of pci-vuart.

Tracked-On: #5491
Signed-off-by: Tao Yuhong <yuhong.tao@intel.com>
This commit is contained in:
Tao Yuhong 2020-11-10 08:39:52 -05:00 committed by wenlingz
parent 07a52bb40c
commit f37ef14798
1 changed files with 2 additions and 2 deletions
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4
hypervisor/dm/vpci/vmcs9900.c
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@ -134,14 +134,14 @@ static void init_vmcs9900(struct pci_vdev *vdev)
mmio_vbar->size = 0x1000U;
mmio_vbar->base_gpa = pci_cfg->vbar_base[MCS9900_MMIO_BAR];
mmio_vbar->mask = (uint32_t) (~(mmio_vbar->size - 1UL));
mmio_vbar->fixed = (uint32_t) (mmio_vbar->base_gpa & PCI_BASE_ADDRESS_MEM_MASK);
mmio_vbar->fixed = 0U;
/* initialize vuart-pci msix bar */
msix_vbar->type = PCIBAR_MEM32;
msix_vbar->size = 0x1000U;
msix_vbar->base_gpa = pci_cfg->vbar_base[MCS9900_MSIX_BAR];
msix_vbar->mask = (uint32_t) (~(msix_vbar->size - 1UL));
msix_vbar->fixed = (uint32_t) (msix_vbar->base_gpa & PCI_BASE_ADDRESS_MEM_MASK);
msix_vbar->fixed = 0U;
vdev->nr_bars = 2;