xen: use libxendevice model to restrict operations

[qemu.git] / hw / xen / xen_pt_graphics.c

diff --git a/hw/xen/xen_pt_graphics.c b/hw/xen/xen_pt_graphics.c
index df6069bf63a569b30fc00102dfaf5434082be22a..0f4c8d77e2a50232f0aca83b60ac0712f03eb2c6 100644 (file)
--- a/hw/xen/xen_pt_graphics.c
+++ b/hw/xen/xen_pt_graphics.c
@@ -1,6 +1,8 @@
 /*
  * graphics passthrough
  */
+#include "qemu/osdep.h"
+#include "qapi/error.h"
 #include "xen_pt.h"
 #include "xen-host-pci-device.h"
 #include "hw/xen/xen_backend.h"
@@ -161,7 +163,8 @@ struct pci_data {
     uint16_t reserved;
 } __attribute__((packed));
 
-int xen_pt_setup_vga(XenPCIPassthroughState *s, XenHostPCIDevice *dev)
+void xen_pt_setup_vga(XenPCIPassthroughState *s, XenHostPCIDevice *dev,
+                     Error **errp)
 {
     unsigned char *bios = NULL;
     struct rom_header *rom;
@@ -172,13 +175,14 @@ int xen_pt_setup_vga(XenPCIPassthroughState *s, XenHostPCIDevice *dev)
     struct pci_data *pd = NULL;
 
     if (!is_igd_vga_passthrough(dev)) {
-        return -1;
+        error_setg(errp, "Need to enable igd-passthrough");
+        return;
     }
 
     bios = get_vgabios(s, &bios_size, dev);
     if (!bios) {
-        XEN_PT_ERR(&s->dev, "VGA: Can't getting VBIOS!\n");
-        return -1;
+        error_setg(errp, "VGA: Can't get VBIOS");
+        return;
     }
 
     /* Currently we fixed this address as a primary. */
@@ -203,7 +207,6 @@ int xen_pt_setup_vga(XenPCIPassthroughState *s, XenHostPCIDevice *dev)
 
     /* Currently we fixed this address as a primary for legacy BIOS. */
     cpu_physical_memory_rw(0xc0000, bios, bios_size, 1);
-    return 0;
 }
 
 uint32_t igd_read_opregion(XenPCIPassthroughState *s)