diff options
Diffstat (limited to 'hw/intc/xive2.c')
| -rw-r--r-- | hw/intc/xive2.c | 42 |
1 files changed, 41 insertions, 1 deletions
diff --git a/hw/intc/xive2.c b/hw/intc/xive2.c index 2836bbdc83..3720e70422 100644 --- a/hw/intc/xive2.c +++ b/hw/intc/xive2.c @@ -171,6 +171,24 @@ int xive2_router_get_eas(Xive2Router *xrtr, uint8_t eas_blk, uint32_t eas_idx, return xrc->get_eas(xrtr, eas_blk, eas_idx, eas); } +static +int xive2_router_get_pq(Xive2Router *xrtr, uint8_t eas_blk, uint32_t eas_idx, + uint8_t *pq) +{ + Xive2RouterClass *xrc = XIVE2_ROUTER_GET_CLASS(xrtr); + + return xrc->get_pq(xrtr, eas_blk, eas_idx, pq); +} + +static +int xive2_router_set_pq(Xive2Router *xrtr, uint8_t eas_blk, uint32_t eas_idx, + uint8_t *pq) +{ + Xive2RouterClass *xrc = XIVE2_ROUTER_GET_CLASS(xrtr); + + return xrc->set_pq(xrtr, eas_blk, eas_idx, pq); +} + int xive2_router_get_end(Xive2Router *xrtr, uint8_t end_blk, uint32_t end_idx, Xive2End *end) { @@ -480,7 +498,7 @@ do_escalation: xive_get_field32(END2_W5_ESC_END_DATA, end.w5)); } -void xive2_router_notify(XiveNotifier *xn, uint32_t lisn) +void xive2_router_notify(XiveNotifier *xn, uint32_t lisn, bool pq_checked) { Xive2Router *xrtr = XIVE2_ROUTER(xn); uint8_t eas_blk = XIVE_EAS_BLOCK(lisn); @@ -493,6 +511,28 @@ void xive2_router_notify(XiveNotifier *xn, uint32_t lisn) return; } + if (!pq_checked) { + bool notify; + uint8_t pq; + + /* PQ cache lookup */ + if (xive2_router_get_pq(xrtr, eas_blk, eas_idx, &pq)) { + /* Set FIR */ + g_assert_not_reached(); + } + + notify = xive_esb_trigger(&pq); + + if (xive2_router_set_pq(xrtr, eas_blk, eas_idx, &pq)) { + /* Set FIR */ + g_assert_not_reached(); + } + + if (!notify) { + return; + } + } + if (!xive2_eas_is_valid(&eas)) { qemu_log_mask(LOG_GUEST_ERROR, "XIVE: Invalid LISN %x\n", lisn); return; |