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-rw-r--r--hw/s390x/meson.build4
-rw-r--r--hw/s390x/s390-pci-inst.c5
-rw-r--r--hw/s390x/virtio-ccw.c21
-rw-r--r--hw/vfio/ccw.c12
4 files changed, 28 insertions, 14 deletions
diff --git a/hw/s390x/meson.build b/hw/s390x/meson.build
index 2a7818d94b..91495b5631 100644
--- a/hw/s390x/meson.build
+++ b/hw/s390x/meson.build
@@ -40,7 +40,9 @@ virtio_ss.add(when: 'CONFIG_VIRTIO_NET', if_true: files('virtio-ccw-net.c'))
 virtio_ss.add(when: 'CONFIG_VIRTIO_RNG', if_true: files('virtio-ccw-rng.c'))
 virtio_ss.add(when: 'CONFIG_VIRTIO_SCSI', if_true: files('virtio-ccw-scsi.c'))
 virtio_ss.add(when: 'CONFIG_VIRTIO_SERIAL', if_true: files('virtio-ccw-serial.c'))
-virtio_ss.add(when: ['CONFIG_VIRTIO_9P', 'CONFIG_VIRTFS'], if_true: files('virtio-ccw-blk.c'))
+if have_virtfs
+  virtio_ss.add(when: 'CONFIG_VIRTIO_9P', if_true: files('virtio-ccw-9p.c'))
+endif
 virtio_ss.add(when: 'CONFIG_VHOST_VSOCK', if_true: files('vhost-vsock-ccw.c'))
 virtio_ss.add(when: 'CONFIG_VHOST_USER_FS', if_true: files('vhost-user-fs-ccw.c'))
 s390x_ss.add_all(when: 'CONFIG_VIRTIO_CCW', if_true: virtio_ss)
diff --git a/hw/s390x/s390-pci-inst.c b/hw/s390x/s390-pci-inst.c
index 654fac6c0a..4b8326afa4 100644
--- a/hw/s390x/s390-pci-inst.c
+++ b/hw/s390x/s390-pci-inst.c
@@ -284,10 +284,15 @@ int clp_service_call(S390CPU *cpu, uint8_t r2, uintptr_t ra)
         stq_p(&resquery->sdma, pbdev->zpci_fn.sdma);
         stq_p(&resquery->edma, pbdev->zpci_fn.edma);
         stw_p(&resquery->pchid, pbdev->zpci_fn.pchid);
+        stw_p(&resquery->vfn, pbdev->zpci_fn.vfn);
         resquery->flags = pbdev->zpci_fn.flags;
         resquery->pfgid = pbdev->zpci_fn.pfgid;
+        resquery->pft = pbdev->zpci_fn.pft;
+        resquery->fmbl = pbdev->zpci_fn.fmbl;
         stl_p(&resquery->fid, pbdev->zpci_fn.fid);
         stl_p(&resquery->uid, pbdev->zpci_fn.uid);
+        memcpy(resquery->pfip, pbdev->zpci_fn.pfip, CLP_PFIP_NR_SEGMENTS);
+        memcpy(resquery->util_str, pbdev->zpci_fn.util_str, CLP_UTIL_STR_LEN);
 
         for (i = 0; i < PCI_BAR_COUNT; i++) {
             uint32_t data = pci_get_long(pbdev->pdev->config +
diff --git a/hw/s390x/virtio-ccw.c b/hw/s390x/virtio-ccw.c
index 4582e94ae7..06c0605681 100644
--- a/hw/s390x/virtio-ccw.c
+++ b/hw/s390x/virtio-ccw.c
@@ -327,13 +327,20 @@ static int virtio_ccw_cb(SubchDev *sch, CCW1 ccw)
                                    ccw.cmd_code);
     check_len = !((ccw.flags & CCW_FLAG_SLI) && !(ccw.flags & CCW_FLAG_DC));
 
-    if (dev->force_revision_1 && dev->revision < 0 &&
-        ccw.cmd_code != CCW_CMD_SET_VIRTIO_REV) {
-        /*
-         * virtio-1 drivers must start with negotiating to a revision >= 1,
-         * so post a command reject for all other commands
-         */
-        return -ENOSYS;
+    if (dev->revision < 0 && ccw.cmd_code != CCW_CMD_SET_VIRTIO_REV) {
+        if (dev->force_revision_1) {
+            /*
+             * virtio-1 drivers must start with negotiating to a revision >= 1,
+             * so post a command reject for all other commands
+             */
+            return -ENOSYS;
+        } else {
+            /*
+             * If the driver issues any command that is not SET_VIRTIO_REV,
+             * we'll have to operate the device in legacy mode.
+             */
+            dev->revision = 0;
+        }
     }
 
     /* Look at the command. */
diff --git a/hw/vfio/ccw.c b/hw/vfio/ccw.c
index bc78a0ad76..b2df708e4b 100644
--- a/hw/vfio/ccw.c
+++ b/hw/vfio/ccw.c
@@ -104,9 +104,9 @@ again:
             goto again;
         }
         error_report("vfio-ccw: write I/O region failed with errno=%d", errno);
-        ret = -errno;
+        ret = errno ? -errno : -EFAULT;
     } else {
-        ret = region->ret_code;
+        ret = 0;
     }
     switch (ret) {
     case 0:
@@ -192,9 +192,9 @@ again:
             goto again;
         }
         error_report("vfio-ccw: write cmd region failed with errno=%d", errno);
-        ret = -errno;
+        ret = errno ? -errno : -EFAULT;
     } else {
-        ret = region->ret_code;
+        ret = 0;
     }
     switch (ret) {
     case 0:
@@ -232,9 +232,9 @@ again:
             goto again;
         }
         error_report("vfio-ccw: write cmd region failed with errno=%d", errno);
-        ret = -errno;
+        ret = errno ? -errno : -EFAULT;
     } else {
-        ret = region->ret_code;
+        ret = 0;
     }
     switch (ret) {
     case 0: