| Message ID | 20211207210425.150923-12-mjrosato@linux.ibm.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | s390x/pci: zPCI interpretation support | expand |
On 12/7/21 22:04, Matthew Rosato wrote: > When using the IOAT assist via interpretation, we should advertise what > the host driver supports, not QEMU. > > Signed-off-by: Matthew Rosato <mjrosato@linux.ibm.com> > --- > hw/s390x/s390-pci-vfio.c | 6 +++++- > 1 file changed, 5 insertions(+), 1 deletion(-) > > diff --git a/hw/s390x/s390-pci-vfio.c b/hw/s390x/s390-pci-vfio.c > index 6fc03a858a..c9269683f5 100644 > --- a/hw/s390x/s390-pci-vfio.c > +++ b/hw/s390x/s390-pci-vfio.c > @@ -336,7 +336,11 @@ static void s390_pci_read_group(S390PCIBusDevice *pbdev, > resgrp->i = cap->noi; > resgrp->maxstbl = cap->maxstbl; > resgrp->version = cap->version; > - resgrp->dtsm = ZPCI_DTSM; > + if (hdr->version >= 2 && pbdev->interp) { > + resgrp->dtsm = cap->dtsm; > + } else { > + resgrp->dtsm = ZPCI_DTSM; > + } > } > } > > Reviewed-by: Pierre Morel <pmorel@linux.ibm.com>
diff --git a/hw/s390x/s390-pci-vfio.c b/hw/s390x/s390-pci-vfio.c index 6fc03a858a..c9269683f5 100644 --- a/hw/s390x/s390-pci-vfio.c +++ b/hw/s390x/s390-pci-vfio.c @@ -336,7 +336,11 @@ static void s390_pci_read_group(S390PCIBusDevice *pbdev, resgrp->i = cap->noi; resgrp->maxstbl = cap->maxstbl; resgrp->version = cap->version; - resgrp->dtsm = ZPCI_DTSM; + if (hdr->version >= 2 && pbdev->interp) { + resgrp->dtsm = cap->dtsm; + } else { + resgrp->dtsm = ZPCI_DTSM; + } } }
When using the IOAT assist via interpretation, we should advertise what the host driver supports, not QEMU. Signed-off-by: Matthew Rosato <mjrosato@linux.ibm.com> --- hw/s390x/s390-pci-vfio.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-)