pci: avoid losing config updates to MSI/MSIX cap regs
Since
commit 95d6580024
msi: Invoke msi/msix_write_config from PCI core
msix config writes are lost, the value written is always 0.
Fix pci_default_write_config to avoid this.
Cc: qemu-stable@nongnu.org
Signed-off-by: Knut Omang <knut.omang@oracle.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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parent
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@ -1146,9 +1146,10 @@ uint32_t pci_default_read_config(PCIDevice *d,
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return le32_to_cpu(val);
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return le32_to_cpu(val);
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}
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}
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void pci_default_write_config(PCIDevice *d, uint32_t addr, uint32_t val, int l)
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void pci_default_write_config(PCIDevice *d, uint32_t addr, uint32_t val_in, int l)
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{
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{
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int i, was_irq_disabled = pci_irq_disabled(d);
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int i, was_irq_disabled = pci_irq_disabled(d);
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uint32_t val = val_in;
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for (i = 0; i < l; val >>= 8, ++i) {
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for (i = 0; i < l; val >>= 8, ++i) {
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uint8_t wmask = d->wmask[addr + i];
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uint8_t wmask = d->wmask[addr + i];
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@ -1170,8 +1171,8 @@ void pci_default_write_config(PCIDevice *d, uint32_t addr, uint32_t val, int l)
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& PCI_COMMAND_MASTER);
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& PCI_COMMAND_MASTER);
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}
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}
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msi_write_config(d, addr, val, l);
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msi_write_config(d, addr, val_in, l);
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msix_write_config(d, addr, val, l);
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msix_write_config(d, addr, val_in, l);
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}
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}
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/***********************************************************/
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/***********************************************************/
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