diff options
Diffstat (limited to 'hw/hyperv/hyperv_testdev.c')
| -rw-r--r-- | hw/hyperv/hyperv_testdev.c | 165 |
1 files changed, 164 insertions, 1 deletions
diff --git a/hw/hyperv/hyperv_testdev.c b/hw/hyperv/hyperv_testdev.c index fc3f6c5666..4880333cf5 100644 --- a/hw/hyperv/hyperv_testdev.c +++ b/hw/hyperv/hyperv_testdev.c @@ -12,6 +12,7 @@ */ #include "qemu/osdep.h" +#include "qemu/main-loop.h" #include "qemu/queue.h" #include "hw/qdev.h" #include "hw/isa/isa.h" @@ -24,10 +25,26 @@ typedef struct TestSintRoute { HvSintRoute *sint_route; } TestSintRoute; +typedef struct TestMsgConn { + QLIST_ENTRY(TestMsgConn) le; + uint8_t conn_id; + HvSintRoute *sint_route; + struct hyperv_message msg; +} TestMsgConn; + +typedef struct TestEvtConn { + QLIST_ENTRY(TestEvtConn) le; + uint8_t conn_id; + HvSintRoute *sint_route; + EventNotifier notifier; +} TestEvtConn; + struct HypervTestDev { ISADevice parent_obj; MemoryRegion sint_control; QLIST_HEAD(, TestSintRoute) sint_routes; + QLIST_HEAD(, TestMsgConn) msg_conns; + QLIST_HEAD(, TestEvtConn) evt_conns; }; typedef struct HypervTestDev HypervTestDev; @@ -38,7 +55,11 @@ typedef struct HypervTestDev HypervTestDev; enum { HV_TEST_DEV_SINT_ROUTE_CREATE = 1, HV_TEST_DEV_SINT_ROUTE_DESTROY, - HV_TEST_DEV_SINT_ROUTE_SET_SINT + HV_TEST_DEV_SINT_ROUTE_SET_SINT, + HV_TEST_DEV_MSG_CONN_CREATE, + HV_TEST_DEV_MSG_CONN_DESTROY, + HV_TEST_DEV_EVT_CONN_CREATE, + HV_TEST_DEV_EVT_CONN_DESTROY, }; static void sint_route_create(HypervTestDev *dev, @@ -93,6 +114,133 @@ static void sint_route_set_sint(HypervTestDev *dev, hyperv_sint_route_set_sint(sint_route->sint_route); } +static void msg_retry(void *opaque) +{ + TestMsgConn *conn = opaque; + assert(!hyperv_post_msg(conn->sint_route, &conn->msg)); +} + +static void msg_cb(void *data, int status) +{ + TestMsgConn *conn = data; + + if (!status) { + return; + } + + assert(status == -EAGAIN); + + aio_bh_schedule_oneshot(qemu_get_aio_context(), msg_retry, conn); +} + +static uint16_t msg_handler(const struct hyperv_post_message_input *msg, + void *data) +{ + int ret; + TestMsgConn *conn = data; + + /* post the same message we've got */ + conn->msg.header.message_type = msg->message_type; + assert(msg->payload_size < sizeof(conn->msg.payload)); + conn->msg.header.payload_size = msg->payload_size; + memcpy(&conn->msg.payload, msg->payload, msg->payload_size); + + ret = hyperv_post_msg(conn->sint_route, &conn->msg); + + switch (ret) { + case 0: + return HV_STATUS_SUCCESS; + case -EAGAIN: + return HV_STATUS_INSUFFICIENT_BUFFERS; + default: + return HV_STATUS_INVALID_HYPERCALL_INPUT; + } +} + +static void msg_conn_create(HypervTestDev *dev, uint8_t vp_index, + uint8_t sint, uint8_t conn_id) +{ + TestMsgConn *conn; + + conn = g_new0(TestMsgConn, 1); + assert(conn); + + conn->conn_id = conn_id; + + conn->sint_route = hyperv_sint_route_new(vp_index, sint, msg_cb, conn); + assert(conn->sint_route); + + assert(!hyperv_set_msg_handler(conn->conn_id, msg_handler, conn)); + + QLIST_INSERT_HEAD(&dev->msg_conns, conn, le); +} + +static void msg_conn_destroy(HypervTestDev *dev, uint8_t conn_id) +{ + TestMsgConn *conn; + + QLIST_FOREACH(conn, &dev->msg_conns, le) { + if (conn->conn_id == conn_id) { + QLIST_REMOVE(conn, le); + hyperv_set_msg_handler(conn->conn_id, NULL, NULL); + hyperv_sint_route_unref(conn->sint_route); + g_free(conn); + return; + } + } + assert(false); +} + +static void evt_conn_handler(EventNotifier *notifier) +{ + TestEvtConn *conn = container_of(notifier, TestEvtConn, notifier); + + event_notifier_test_and_clear(notifier); + + /* signal the same event flag we've got */ + assert(!hyperv_set_event_flag(conn->sint_route, conn->conn_id)); +} + +static void evt_conn_create(HypervTestDev *dev, uint8_t vp_index, + uint8_t sint, uint8_t conn_id) +{ + TestEvtConn *conn; + + conn = g_new0(TestEvtConn, 1); + assert(conn); + + conn->conn_id = conn_id; + + conn->sint_route = hyperv_sint_route_new(vp_index, sint, NULL, NULL); + assert(conn->sint_route); + + assert(!event_notifier_init(&conn->notifier, false)); + + event_notifier_set_handler(&conn->notifier, evt_conn_handler); + + assert(!hyperv_set_event_flag_handler(conn_id, &conn->notifier)); + + QLIST_INSERT_HEAD(&dev->evt_conns, conn, le); +} + +static void evt_conn_destroy(HypervTestDev *dev, uint8_t conn_id) +{ + TestEvtConn *conn; + + QLIST_FOREACH(conn, &dev->evt_conns, le) { + if (conn->conn_id == conn_id) { + QLIST_REMOVE(conn, le); + hyperv_set_event_flag_handler(conn->conn_id, NULL); + event_notifier_set_handler(&conn->notifier, NULL); + event_notifier_cleanup(&conn->notifier); + hyperv_sint_route_unref(conn->sint_route); + g_free(conn); + return; + } + } + assert(false); +} + static uint64_t hv_test_dev_read(void *opaque, hwaddr addr, unsigned size) { return 0; @@ -105,6 +253,7 @@ static void hv_test_dev_write(void *opaque, hwaddr addr, uint64_t data, uint8_t sint = data & 0xFF; uint8_t vp_index = (data >> 8ULL) & 0xFF; uint8_t ctl = (data >> 16ULL) & 0xFF; + uint8_t conn_id = (data >> 24ULL) & 0xFF; switch (ctl) { case HV_TEST_DEV_SINT_ROUTE_CREATE: @@ -116,6 +265,18 @@ static void hv_test_dev_write(void *opaque, hwaddr addr, uint64_t data, case HV_TEST_DEV_SINT_ROUTE_SET_SINT: sint_route_set_sint(dev, vp_index, sint); break; + case HV_TEST_DEV_MSG_CONN_CREATE: + msg_conn_create(dev, vp_index, sint, conn_id); + break; + case HV_TEST_DEV_MSG_CONN_DESTROY: + msg_conn_destroy(dev, conn_id); + break; + case HV_TEST_DEV_EVT_CONN_CREATE: + evt_conn_create(dev, vp_index, sint, conn_id); + break; + case HV_TEST_DEV_EVT_CONN_DESTROY: + evt_conn_destroy(dev, conn_id); + break; default: break; } @@ -136,6 +297,8 @@ static void hv_test_dev_realizefn(DeviceState *d, Error **errp) MemoryRegion *io = isa_address_space_io(isa); QLIST_INIT(&dev->sint_routes); + QLIST_INIT(&dev->msg_conns); + QLIST_INIT(&dev->evt_conns); memory_region_init_io(&dev->sint_control, OBJECT(dev), &synic_test_sint_ops, dev, "hyperv-testdev-ctl", 4); |