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authorDavid Woodhouse <dwmw@amazon.co.uk>2023-01-07 16:47:43 +0000
committerDavid Woodhouse <dwmw@amazon.co.uk>2023-03-07 17:04:30 +0000
commita9ae1418b36b20ab06fb760b1108f61f49a76164 (patch)
tree28d3cb0092a9b7c3f90cb5c8b9571430ebaab71b /hw/usb/xen-usb.c
parent7a8a749da7d30b420291fa0b11e3eda7f72d9b83 (diff)
downloadfocaccia-qemu-a9ae1418b36b20ab06fb760b1108f61f49a76164.tar.gz
focaccia-qemu-a9ae1418b36b20ab06fb760b1108f61f49a76164.zip
hw/xen: Use XEN_PAGE_SIZE in PV backend drivers
XC_PAGE_SIZE comes from the actual Xen libraries, while XEN_PAGE_SIZE is
provided by QEMU itself in xen_backend_ops.h. For backends which may be
built for emulation mode, use the latter.

Signed-off-by: David Woodhouse <dwmw@amazon.co.uk>
Reviewed-by: Paul Durrant <paul@xen.org>
Diffstat (limited to 'hw/usb/xen-usb.c')
-rw-r--r--hw/usb/xen-usb.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/hw/usb/xen-usb.c b/hw/usb/xen-usb.c
index a770a64cb4..66cb3f7c24 100644
--- a/hw/usb/xen-usb.c
+++ b/hw/usb/xen-usb.c
@@ -161,7 +161,7 @@ static int usbback_gnttab_map(struct usbback_req *usbback_req)
 
     for (i = 0; i < nr_segs; i++) {
         if ((unsigned)usbback_req->req.seg[i].offset +
-            (unsigned)usbback_req->req.seg[i].length > XC_PAGE_SIZE) {
+            (unsigned)usbback_req->req.seg[i].length > XEN_PAGE_SIZE) {
             xen_pv_printf(xendev, 0, "segment crosses page boundary\n");
             return -EINVAL;
         }
@@ -185,7 +185,7 @@ static int usbback_gnttab_map(struct usbback_req *usbback_req)
 
         for (i = 0; i < usbback_req->nr_buffer_segs; i++) {
             seg = usbback_req->req.seg + i;
-            addr = usbback_req->buffer + i * XC_PAGE_SIZE + seg->offset;
+            addr = usbback_req->buffer + i * XEN_PAGE_SIZE + seg->offset;
             qemu_iovec_add(&usbback_req->packet.iov, addr, seg->length);
         }
     }
@@ -902,8 +902,8 @@ static int usbback_connect(struct XenLegacyDevice *xendev)
     usbif->conn_ring_ref = conn_ring_ref;
     urb_sring = usbif->urb_sring;
     conn_sring = usbif->conn_sring;
-    BACK_RING_INIT(&usbif->urb_ring, urb_sring, XC_PAGE_SIZE);
-    BACK_RING_INIT(&usbif->conn_ring, conn_sring, XC_PAGE_SIZE);
+    BACK_RING_INIT(&usbif->urb_ring, urb_sring, XEN_PAGE_SIZE);
+    BACK_RING_INIT(&usbif->conn_ring, conn_sring, XEN_PAGE_SIZE);
 
     xen_be_bind_evtchn(xendev);