diff options
Diffstat (limited to 'hw')
| -rw-r--r-- | hw/xen/xen_pt.h | 1 | ||||
| -rw-r--r-- | hw/xen/xen_pt_msi.c | 12 |
2 files changed, 8 insertions, 5 deletions
diff --git a/hw/xen/xen_pt.h b/hw/xen/xen_pt.h index 52ceb856f9..8c9b6c25a1 100644 --- a/hw/xen/xen_pt.h +++ b/hw/xen/xen_pt.h @@ -175,6 +175,7 @@ typedef struct XenPTMSIXEntry { uint32_t data; uint32_t vector_ctrl; bool updated; /* indicate whether MSI ADDR or DATA is updated */ + bool warned; /* avoid issuing (bogus) warning more than once */ } XenPTMSIXEntry; typedef struct XenPTMSIX { uint32_t ctrl_offset; diff --git a/hw/xen/xen_pt_msi.c b/hw/xen/xen_pt_msi.c index 9ed9321c9f..68db6233dc 100644 --- a/hw/xen/xen_pt_msi.c +++ b/hw/xen/xen_pt_msi.c @@ -434,11 +434,10 @@ static void pci_msix_write(void *opaque, hwaddr addr, XenPCIPassthroughState *s = opaque; XenPTMSIX *msix = s->msix; XenPTMSIXEntry *entry; - int entry_nr, offset; + unsigned int entry_nr, offset; entry_nr = addr / PCI_MSIX_ENTRY_SIZE; - if (entry_nr < 0 || entry_nr >= msix->total_entries) { - XEN_PT_ERR(&s->dev, "asked MSI-X entry '%i' invalid!\n", entry_nr); + if (entry_nr >= msix->total_entries) { return; } entry = &msix->msix_entry[entry_nr]; @@ -460,8 +459,11 @@ static void pci_msix_write(void *opaque, hwaddr addr, + PCI_MSIX_ENTRY_VECTOR_CTRL; if (msix->enabled && !(*vec_ctrl & PCI_MSIX_ENTRY_CTRL_MASKBIT)) { - XEN_PT_ERR(&s->dev, "Can't update msix entry %d since MSI-X is" - " already enabled.\n", entry_nr); + if (!entry->warned) { + entry->warned = true; + XEN_PT_ERR(&s->dev, "Can't update msix entry %d since MSI-X is" + " already enabled.\n", entry_nr); + } return; } |