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;
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];
+ 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;
}