diff options
| author | Matthew Rosato <mjrosato@linux.ibm.com> | 2025-02-26 16:00:13 -0500 |
|---|---|---|
| committer | Thomas Huth <thuth@redhat.com> | 2025-03-07 09:24:00 +0100 |
| commit | d9b5dfc7122559e5b5959ecf534788b90c3dd102 (patch) | |
| tree | 9019e1c3eff45f2ded45ac42417c82a3be152d0d /hw | |
| parent | dfcee1ea4c52ac60e0a06221eafb7b6253eb10c3 (diff) | |
| download | qemu-d9b5dfc7122559e5b5959ecf534788b90c3dd102.zip qemu-d9b5dfc7122559e5b5959ecf534788b90c3dd102.tar.gz qemu-d9b5dfc7122559e5b5959ecf534788b90c3dd102.tar.bz2 | |
s390x/pci: indicate QEMU supports relaxed translation for passthrough
Specifying this bit in the guest CLP response indicates that the guest
can optionally choose to skip translation and instead use
identity-mapped operations.
Tested-by: Niklas Schnelle <schnelle@linux.ibm.com>
Reviewed-by: Niklas Schnelle <schnelle@linux.ibm.com>
Signed-off-by: Matthew Rosato <mjrosato@linux.ibm.com>
Message-ID: <20250226210013.238349-3-mjrosato@linux.ibm.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Diffstat (limited to 'hw')
| -rw-r--r-- | hw/s390x/s390-pci-vfio.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/hw/s390x/s390-pci-vfio.c b/hw/s390x/s390-pci-vfio.c index 443e222..6236ac7 100644 --- a/hw/s390x/s390-pci-vfio.c +++ b/hw/s390x/s390-pci-vfio.c @@ -238,8 +238,11 @@ static void s390_pci_read_group(S390PCIBusDevice *pbdev, pbdev->pci_group = s390_group_create(pbdev->zpci_fn.pfgid, start_gid); resgrp = &pbdev->pci_group->zpci_group; + if (pbdev->rtr_avail) { + resgrp->fr |= CLP_RSP_QPCIG_MASK_RTR; + } if (cap->flags & VFIO_DEVICE_INFO_ZPCI_FLAG_REFRESH) { - resgrp->fr = 1; + resgrp->fr |= CLP_RSP_QPCIG_MASK_REFRESH; } resgrp->dasm = cap->dasm; resgrp->msia = cap->msi_addr; |