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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>
This commit is contained in:
Cao jin 2016-01-17 20:13:13 +08:00 committed by Stefano Stabellini
parent 376ba75f88
commit 5226bb59f7
3 changed files with 13 additions and 8 deletions
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7
hw/xen/xen_pt.c
View File

@ -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;
}

3
hw/xen/xen_pt.h
View File

@ -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 */

11
hw/xen/xen_pt_graphics.c
View File

@ -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)