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-rw-r--r--hw/xen/xen_pt_config_init.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/hw/xen/xen_pt_config_init.c b/hw/xen/xen_pt_config_init.c
index e0829b1..aca3790 100644
--- a/hw/xen/xen_pt_config_init.c
+++ b/hw/xen/xen_pt_config_init.c
@@ -1828,6 +1828,8 @@ static int xen_pt_ptr_reg_init(XenPCIPassthroughState *s,
rc = xen_host_pci_get_byte(&s->real_device,
reg_field + PCI_CAP_LIST_ID, &cap_id);
if (rc) {
+ XEN_PT_ERR(&s->dev, "Failed to read capability @0x%x (rc:%d)\n",
+ reg_field + PCI_CAP_LIST_ID, rc);
return rc;
}
if (xen_pt_emu_reg_grps[i].grp_id == cap_id) {
@@ -2037,6 +2039,9 @@ int xen_pt_config_init(XenPCIPassthroughState *s)
reg_grp_offset,
&reg_grp_entry->size);
if (rc < 0) {
+ XEN_PT_LOG(&s->dev, "Failed to initialize %d/%ld, type=0x%x, rc:%d\n",
+ i, ARRAY_SIZE(xen_pt_emu_reg_grps),
+ xen_pt_emu_reg_grps[i].grp_type, rc);
xen_pt_config_delete(s);
return rc;
}
@@ -2051,6 +2056,10 @@ int xen_pt_config_init(XenPCIPassthroughState *s)
/* initialize capability register */
rc = xen_pt_config_reg_init(s, reg_grp_entry, regs);
if (rc < 0) {
+ XEN_PT_LOG(&s->dev, "Failed to initialize %d/%ld reg 0x%x in grp_type=0x%x (%d/%ld), rc=%d\n",
+ j, ARRAY_SIZE(xen_pt_emu_reg_grps[i].emu_regs),
+ regs->offset, xen_pt_emu_reg_grps[i].grp_type,
+ i, ARRAY_SIZE(xen_pt_emu_reg_grps), rc);
xen_pt_config_delete(s);
return rc;
}