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authorCao jin <caoj.fnst@cn.fujitsu.com>2016-01-17 20:13:13 +0800
committerStefano Stabellini <stefano.stabellini@eu.citrix.com>2016-01-21 16:45:41 +0000
commit5226bb59f703963914e446557a2eea4a82eaf462 (patch)
treedb3e5e299b50e9a2cdcdbbee6b48e8bbd0318be2
parent376ba75f88681b468caf4f6bcf27cf8a4b17a6d0 (diff)
Add Error **errp for xen_pt_setup_vga()
To catch the error message. Also modify the caller Signed-off-by: Cao jin <caoj.fnst@cn.fujitsu.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
-rw-r--r--hw/xen/xen_pt.c7
-rw-r--r--hw/xen/xen_pt.h3
-rw-r--r--hw/xen/xen_pt_graphics.c11
3 files changed, 13 insertions, 8 deletions
diff --git a/hw/xen/xen_pt.c b/hw/xen/xen_pt.c
index 53b5bca702..07bfcecb63 100644
--- a/hw/xen/xen_pt.c
+++ b/hw/xen/xen_pt.c
@@ -808,8 +808,11 @@ static int xen_pt_initfn(PCIDevice *d)
return -1;
}
- if (xen_pt_setup_vga(s, &s->real_device) < 0) {
- XEN_PT_ERR(d, "Setup VGA BIOS of passthrough GFX failed!\n");
+ xen_pt_setup_vga(s, &s->real_device, &err);
+ if (err) {
+ error_append_hint(&err, "Setup VGA BIOS of passthrough"
+ " GFX failed");
+ error_report_err(err);
xen_host_pci_device_put(&s->real_device);
return -1;
}
diff --git a/hw/xen/xen_pt.h b/hw/xen/xen_pt.h
index 37497119f5..26f74f8eae 100644
--- a/hw/xen/xen_pt.h
+++ b/hw/xen/xen_pt.h
@@ -330,5 +330,6 @@ static inline bool is_igd_vga_passthrough(XenHostPCIDevice *dev)
}
int xen_pt_register_vga_regions(XenHostPCIDevice *dev);
int xen_pt_unregister_vga_regions(XenHostPCIDevice *dev);
-int xen_pt_setup_vga(XenPCIPassthroughState *s, XenHostPCIDevice *dev);
+void xen_pt_setup_vga(XenPCIPassthroughState *s, XenHostPCIDevice *dev,
+ Error **errp);
#endif /* !XEN_PT_H */
diff --git a/hw/xen/xen_pt_graphics.c b/hw/xen/xen_pt_graphics.c
index df6069bf63..e7a7c7e263 100644
--- a/hw/xen/xen_pt_graphics.c
+++ b/hw/xen/xen_pt_graphics.c
@@ -161,7 +161,8 @@ 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 +173,14 @@ 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 +205,6 @@ 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)