summary refs log tree commit diff stats
path: root/pc-bios/s390-ccw/main.c
diff options
context:
space:
mode:
Diffstat (limited to 'pc-bios/s390-ccw/main.c')
-rw-r--r--pc-bios/s390-ccw/main.c20
1 files changed, 14 insertions, 6 deletions
diff --git a/pc-bios/s390-ccw/main.c b/pc-bios/s390-ccw/main.c
index 345b848752..0946766d86 100644
--- a/pc-bios/s390-ccw/main.c
+++ b/pc-bios/s390-ccw/main.c
@@ -53,6 +53,12 @@ static bool find_dev(Schib *schib, int dev_no)
         if (!virtio_is_supported(blk_schid)) {
             continue;
         }
+        /* Skip net devices since no IPLB is created and therefore no
+         * no network bootloader has been loaded
+         */
+        if (virtio_get_device_type() == VIRTIO_ID_NET && dev_no < 0) {
+            continue;
+        }
         if ((dev_no < 0) || (schib->pmcw.dev == dev_no)) {
             return true;
         }
@@ -67,6 +73,7 @@ static void virtio_setup(void)
     int ssid;
     bool found = false;
     uint16_t dev_no;
+    VDev *vdev = virtio_get_device();
 
     /*
      * We unconditionally enable mss support. In every sane configuration,
@@ -85,9 +92,6 @@ static void virtio_setup(void)
             found = find_dev(&schib, dev_no);
             break;
         case S390_IPL_TYPE_QEMU_SCSI:
-        {
-            VDev *vdev = virtio_get_device();
-
             vdev->scsi_device_selected = true;
             vdev->selected_scsi_device.channel = iplb.scsi.channel;
             vdev->selected_scsi_device.target = iplb.scsi.target;
@@ -95,7 +99,6 @@ static void virtio_setup(void)
             blk_schid.ssid = iplb.scsi.ssid & 0x3;
             found = find_dev(&schib, iplb.scsi.devno);
             break;
-        }
         default:
             panic("List-directed IPL not supported yet!\n");
         }
@@ -111,9 +114,14 @@ static void virtio_setup(void)
 
     IPL_assert(found, "No virtio device found");
 
-    virtio_setup_device(blk_schid);
+    if (virtio_get_device_type() == VIRTIO_ID_NET) {
+        sclp_print("Network boot device detected\n");
+        vdev->netboot_start_addr = iplb.ccw.netboot_start_addr;
+    } else {
+        virtio_setup_device(blk_schid);
 
-    IPL_assert(virtio_ipl_disk_is_valid(), "No valid IPL device detected");
+        IPL_assert(virtio_ipl_disk_is_valid(), "No valid IPL device detected");
+    }
 }
 
 int main(void)