static void amdvi_log_event(AMDVIState *s, uint64_t *evt)
{
/* event logging not enabled */
if (!s->evtlog_enabled || amdvi_test_mask(s, AMDVI_MMIO_STATUS,
AMDVI_MMIO_STATUS_EVT_OVF)) {
return;
}
/* event log buffer full */
if (s->evtlog_tail >= s->evtlog_len) {
amdvi_assign_orq(s, AMDVI_MMIO_STATUS, AMDVI_MMIO_STATUS_EVT_OVF);
/* generate interrupt */
amdvi_generate_msi_interrupt(s);
return;
}
if (dma_memory_write(&address_space_memory, s->evtlog + s->evtlog_tail,
&evt, AMDVI_EVENT_LEN)) {
trace_amdvi_evntlog_fail(s->evtlog, s->evtlog_tail);
}
s->evtlog_tail += AMDVI_EVENT_LEN;
amdvi_assign_orq(s, AMDVI_MMIO_STATUS, AMDVI_MMIO_STATUS_COMP_INT);
amdvi_generate_msi_interrupt(s);
}
static void amdvi_generate_msi_interrupt(AMDVIState *s)
{
MSIMessage msg = {};
MemTxAttrs attrs = {
.requester_id = pci_requester_id(&s->pci.dev)
};
if (msi_enabled(&s->pci.dev)) {
msg = msi_get_message(&s->pci.dev, 0);
address_space_stl_le(&address_space_memory, msg.address, msg.data,
attrs, NULL);
}
}
static void amdvi_log_event(AMDVIState *s, uint64_t *evt)
{
/* event logging not enabled */
if (!s->evtlog_enabled || amdvi_test_mask(s, AMDVI_MMIO_STATUS,
AMDVI_MMIO_STATUS_EVT_OVF)) {
return;
}
/* event log buffer full */
if (s->evtlog_tail >= s->evtlog_len) {
amdvi_assign_orq(s, AMDVI_MMIO_STATUS, AMDVI_MMIO_STATUS_EVT_OVF);
/* generate interrupt */
amdvi_generate_msi_interrupt(s);
return;
}
if (dma_memory_write(&address_space_memory, s->evtlog + s->evtlog_tail,
&evt, AMDVI_EVENT_LEN)) {
trace_amdvi_evntlog_fail(s->evtlog, s->evtlog_tail);
}
s->evtlog_tail += AMDVI_EVENT_LEN;
amdvi_assign_orq(s, AMDVI_MMIO_STATUS, AMDVI_MMIO_STATUS_COMP_INT);
amdvi_generate_msi_interrupt(s);
}
static void amdvi_setevent_bits(uint64_t *buffer, uint64_t value, int start,
int length)
{
int index = start / 64, bitpos = start % 64;
uint64_t mask = MAKE_64BIT_MASK(start, length);
buffer[index] &= ~mask;
buffer[index] |= (value << bitpos) & mask;
}