static void ioport_write(void *opaque, target_phys_addr_t addr, uint64_t val, unsigned size) { PCIQXLDevice *d = opaque; uint32_t io_port = addr; qxl_async_io async = QXL_SYNC; #if SPICE_INTERFACE_QXL_MINOR >= 1 uint32_t orig_io_port = io_port; #endif switch (io_port) { case QXL_IO_RESET: case QXL_IO_SET_MODE: case QXL_IO_MEMSLOT_ADD: case QXL_IO_MEMSLOT_DEL: case QXL_IO_CREATE_PRIMARY: case QXL_IO_UPDATE_IRQ: case QXL_IO_LOG: #if SPICE_INTERFACE_QXL_MINOR >= 1 case QXL_IO_MEMSLOT_ADD_ASYNC: case QXL_IO_CREATE_PRIMARY_ASYNC: #endif break; default: if (d->mode != QXL_MODE_VGA) { break; } dprint(d, 1, "%s: unexpected port 0x%x (%s) in vga mode\n", __func__, io_port, io_port_to_string(io_port)); #if SPICE_INTERFACE_QXL_MINOR >= 1 /* be nice to buggy guest drivers */ if (io_port >= QXL_IO_UPDATE_AREA_ASYNC && io_port <= QXL_IO_DESTROY_ALL_SURFACES_ASYNC) { qxl_send_events(d, QXL_INTERRUPT_IO_CMD); } #endif return; } #if SPICE_INTERFACE_QXL_MINOR >= 1 /* we change the io_port to avoid ifdeffery in the main switch */ orig_io_port = io_port; switch (io_port) { case QXL_IO_UPDATE_AREA_ASYNC: io_port = QXL_IO_UPDATE_AREA; goto async_common; case QXL_IO_MEMSLOT_ADD_ASYNC: io_port = QXL_IO_MEMSLOT_ADD; goto async_common; case QXL_IO_CREATE_PRIMARY_ASYNC: io_port = QXL_IO_CREATE_PRIMARY; goto async_common; case QXL_IO_DESTROY_PRIMARY_ASYNC: io_port = QXL_IO_DESTROY_PRIMARY; goto async_common; case QXL_IO_DESTROY_SURFACE_ASYNC: io_port = QXL_IO_DESTROY_SURFACE_WAIT; goto async_common; case QXL_IO_DESTROY_ALL_SURFACES_ASYNC: io_port = QXL_IO_DESTROY_ALL_SURFACES; goto async_common; case QXL_IO_FLUSH_SURFACES_ASYNC: async_common: async = QXL_ASYNC; qemu_mutex_lock(&d->async_lock); if (d->current_async != QXL_UNDEFINED_IO) { qxl_guest_bug(d, "%d async started before last (%d) complete", io_port, d->current_async); qemu_mutex_unlock(&d->async_lock); return; } d->current_async = orig_io_port; qemu_mutex_unlock(&d->async_lock); dprint(d, 2, "start async %d (%"PRId64")\n", io_port, val); break; default: break; } #endif switch (io_port) { case QXL_IO_UPDATE_AREA: { QXLRect update = d->ram->update_area; qxl_spice_update_area(d, d->ram->update_surface, &update, NULL, 0, 0, async); break; } case QXL_IO_NOTIFY_CMD: qemu_spice_wakeup(&d->ssd); break; case QXL_IO_NOTIFY_CURSOR: qemu_spice_wakeup(&d->ssd); break; case QXL_IO_UPDATE_IRQ: qxl_update_irq(d); break; case QXL_IO_NOTIFY_OOM: if (!SPICE_RING_IS_EMPTY(&d->ram->release_ring)) { break; } d->oom_running = 1; qxl_spice_oom(d); d->oom_running = 0; break; case QXL_IO_SET_MODE: dprint(d, 1, "QXL_SET_MODE %d\n", (int)val); qxl_set_mode(d, val, 0); break; case QXL_IO_LOG: if (d->guestdebug) { fprintf(stderr, "qxl/guest-%d: %" PRId64 ": %s", d->id, qemu_get_clock_ns(vm_clock), d->ram->log_buf); } break; case QXL_IO_RESET: dprint(d, 1, "QXL_IO_RESET\n"); qxl_hard_reset(d, 0); break; case QXL_IO_MEMSLOT_ADD: if (val >= NUM_MEMSLOTS) { qxl_guest_bug(d, "QXL_IO_MEMSLOT_ADD: val out of range"); break; } if (d->guest_slots[val].active) { qxl_guest_bug(d, "QXL_IO_MEMSLOT_ADD: memory slot already active"); break; } d->guest_slots[val].slot = d->ram->mem_slot; qxl_add_memslot(d, val, 0, async); break; case QXL_IO_MEMSLOT_DEL: if (val >= NUM_MEMSLOTS) { qxl_guest_bug(d, "QXL_IO_MEMSLOT_DEL: val out of range"); break; } qxl_del_memslot(d, val); break; case QXL_IO_CREATE_PRIMARY: if (val != 0) { qxl_guest_bug(d, "QXL_IO_CREATE_PRIMARY (async=%d): val != 0", async); goto cancel_async; } dprint(d, 1, "QXL_IO_CREATE_PRIMARY async=%d\n", async); d->guest_primary.surface = d->ram->create_surface; qxl_create_guest_primary(d, 0, async); break; case QXL_IO_DESTROY_PRIMARY: if (val != 0) { qxl_guest_bug(d, "QXL_IO_DESTROY_PRIMARY (async=%d): val != 0", async); goto cancel_async; } dprint(d, 1, "QXL_IO_DESTROY_PRIMARY (async=%d) (%s)\n", async, qxl_mode_to_string(d->mode)); if (!qxl_destroy_primary(d, async)) { dprint(d, 1, "QXL_IO_DESTROY_PRIMARY_ASYNC in %s, ignored\n", qxl_mode_to_string(d->mode)); goto cancel_async; } break; case QXL_IO_DESTROY_SURFACE_WAIT: if (val >= NUM_SURFACES) { qxl_guest_bug(d, "QXL_IO_DESTROY_SURFACE (async=%d):" "%d >= NUM_SURFACES", async, val); goto cancel_async; } qxl_spice_destroy_surface_wait(d, val, async); break; #if SPICE_INTERFACE_QXL_MINOR >= 1 case QXL_IO_FLUSH_RELEASE: { QXLReleaseRing *ring = &d->ram->release_ring; if (ring->prod - ring->cons + 1 == ring->num_items) { fprintf(stderr, "ERROR: no flush, full release ring [p%d,%dc]\n", ring->prod, ring->cons); } qxl_push_free_res(d, 1 /* flush */); dprint(d, 1, "QXL_IO_FLUSH_RELEASE exit (%s, s#=%d, res#=%d,%p)\n", qxl_mode_to_string(d->mode), d->guest_surfaces.count, d->num_free_res, d->last_release); break; } case QXL_IO_FLUSH_SURFACES_ASYNC: dprint(d, 1, "QXL_IO_FLUSH_SURFACES_ASYNC" " (%"PRId64") (%s, s#=%d, res#=%d)\n", val, qxl_mode_to_string(d->mode), d->guest_surfaces.count, d->num_free_res); qxl_spice_flush_surfaces_async(d); break; #endif case QXL_IO_DESTROY_ALL_SURFACES: d->mode = QXL_MODE_UNDEFINED; qxl_spice_destroy_surfaces(d, async); break; default: fprintf(stderr, "%s: ioport=0x%x, abort()\n", __FUNCTION__, io_port); abort(); } return; cancel_async: #if SPICE_INTERFACE_QXL_MINOR >= 1 if (async) { qxl_send_events(d, QXL_INTERRUPT_IO_CMD); qemu_mutex_lock(&d->async_lock); d->current_async = QXL_UNDEFINED_IO; qemu_mutex_unlock(&d->async_lock); } #else return; #endif }