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| author | Matthew Rosato <mjrosato@linux.ibm.com> | 2022-09-02 13:27:36 -0400 |
|---|---|---|
| committer | Thomas Huth <thuth@redhat.com> | 2022-09-26 17:23:47 +0200 |
| commit | 9ee8f7e46a7d42ede69a4780200129bf1acb0d01 (patch) | |
| tree | aa573c2d1410da949a910d1719ae545fdd2686d5 /hw/s390x | |
| parent | 30dcf4f7fd23bef7d72a2454c60881710fd4c785 (diff) | |
| download | qemu-9ee8f7e46a7d42ede69a4780200129bf1acb0d01.zip qemu-9ee8f7e46a7d42ede69a4780200129bf1acb0d01.tar.gz qemu-9ee8f7e46a7d42ede69a4780200129bf1acb0d01.tar.bz2 | |
s390x/pci: reflect proper maxstbl for groups of interpreted devices
The maximum supported store block length might be different depending
on whether the instruction is interpretively executed (firmware-reported
maximum) or handled via userspace intercept (host kernel API maximum).
Choose the best available value during group creation.
Signed-off-by: Matthew Rosato <mjrosato@linux.ibm.com>
Reviewed-by: Pierre Morel <pmorel@linux.ibm.com>
Message-Id: <20220902172737.170349-8-mjrosato@linux.ibm.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Diffstat (limited to 'hw/s390x')
| -rw-r--r-- | hw/s390x/s390-pci-vfio.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/hw/s390x/s390-pci-vfio.c b/hw/s390x/s390-pci-vfio.c index 338f436..2aefa50 100644 --- a/hw/s390x/s390-pci-vfio.c +++ b/hw/s390x/s390-pci-vfio.c @@ -213,7 +213,11 @@ static void s390_pci_read_group(S390PCIBusDevice *pbdev, resgrp->msia = cap->msi_addr; resgrp->mui = cap->mui; resgrp->i = cap->noi; - resgrp->maxstbl = cap->maxstbl; + if (pbdev->interp && hdr->version >= 2) { + resgrp->maxstbl = cap->imaxstbl; + } else { + resgrp->maxstbl = cap->maxstbl; + } resgrp->version = cap->version; resgrp->dtsm = ZPCI_DTSM; } |