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[PATCH v5 6/9] s390x/pci: don't fence interpreted devices without MSI-X
From: |
Matthew Rosato |
Subject: |
[PATCH v5 6/9] s390x/pci: don't fence interpreted devices without MSI-X |
Date: |
Mon, 4 Apr 2022 14:17:23 -0400 |
Lack of MSI-X support is not an issue for interpreted passthrough
devices, so let's let these in. This will allow, for example, ISM
devices to be passed through -- but only when interpretation is
available and being used.
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Pierre Morel <pmorel@linux.ibm.com>
Signed-off-by: Matthew Rosato <mjrosato@linux.ibm.com>
---
hw/s390x/s390-pci-bus.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/hw/s390x/s390-pci-bus.c b/hw/s390x/s390-pci-bus.c
index 156051e6e9..9c02d31250 100644
--- a/hw/s390x/s390-pci-bus.c
+++ b/hw/s390x/s390-pci-bus.c
@@ -1093,7 +1093,7 @@ static void s390_pcihost_plug(HotplugHandler
*hotplug_dev, DeviceState *dev,
pbdev->interp = false;
}
- if (s390_pci_msix_init(pbdev)) {
+ if (s390_pci_msix_init(pbdev) && !pbdev->interp) {
error_setg(errp, "MSI-X support is mandatory "
"in the S390 architecture");
return;
--
2.27.0
- Re: [PATCH v5 2/9] vfio: tolerate migration protocol v1 uapi renames, (continued)
[PATCH v5 1/9] Update linux headers, Matthew Rosato, 2022/04/04
[PATCH v5 3/9] target/s390x: add zpci-interp to cpu models, Matthew Rosato, 2022/04/04
[PATCH v5 5/9] s390x/pci: enable for load/store intepretation, Matthew Rosato, 2022/04/04
[PATCH v5 4/9] s390x/pci: add routine to get host function handle from CLP info, Matthew Rosato, 2022/04/04
[PATCH v5 6/9] s390x/pci: don't fence interpreted devices without MSI-X,
Matthew Rosato <=
[PATCH v5 8/9] s390x/pci: let intercept devices have separate PCI groups, Matthew Rosato, 2022/04/04
[PATCH v5 7/9] s390x/pci: enable adapter event notification for interpreted devices, Matthew Rosato, 2022/04/04
[PATCH v5 9/9] s390x/pci: reflect proper maxstbl for groups of interpreted devices, Matthew Rosato, 2022/04/04