scsi-disk: implement eject requests

[qemu.git] / hw / s390-virtio-bus.c

diff --git a/hw/s390-virtio-bus.c b/hw/s390-virtio-bus.c
index 784dc01b97d2e5a7f7fc48e8b4967cbc81e94b3c..0ce6406b6db6895a2f5507a6eb5724d24f656772 100644 (file)
--- a/hw/s390-virtio-bus.c
+++ b/hw/s390-virtio-bus.c
@@ -43,6 +43,8 @@
     do { } while (0)
 #endif
 
+#define VIRTIO_EXT_CODE   0x2603
+
 struct BusInfo s390_virtio_bus_info = {
     .name       = "s390-virtio",
     .size       = sizeof(VirtIOS390Bus),
@@ -58,6 +60,9 @@ static const VirtIOBindings virtio_s390_bindings;
 
 static ram_addr_t s390_virtio_device_num_vq(VirtIOS390Device *dev);
 
+/* length of VirtIO device pages */
+const target_phys_addr_t virtio_size = S390_DEVICE_PAGES * TARGET_PAGE_SIZE;
+
 VirtIOS390Bus *s390_virtio_bus_init(ram_addr_t *ram_size)
 {
     VirtIOS390Bus *bus;
@@ -123,7 +128,8 @@ static int s390_virtio_blk_init(VirtIOS390Device *dev)
 {
     VirtIODevice *vdev;
 
-    vdev = virtio_blk_init((DeviceState *)dev, &dev->block);
+    vdev = virtio_blk_init((DeviceState *)dev, &dev->block,
+                           &dev->block_serial);
     if (!vdev) {
         return -1;
     }
@@ -139,7 +145,7 @@ static int s390_virtio_serial_init(VirtIOS390Device *dev)
 
     bus = DO_UPCAST(VirtIOS390Bus, bus, dev->qdev.parent_bus);
 
-    vdev = virtio_serial_init((DeviceState *)dev, dev->max_virtserial_ports);
+    vdev = virtio_serial_init((DeviceState *)dev, &dev->serial);
     if (!vdev) {
         return -1;
     }
@@ -160,7 +166,7 @@ static uint64_t s390_virtio_device_vq_token(VirtIOS390Device *dev, int vq)
                 (vq * VIRTIO_VQCONFIG_LEN) +
                 VIRTIO_VQCONFIG_OFFS_TOKEN;
 
-    return ldq_phys(token_off);
+    return ldq_be_phys(token_off);
 }
 
 static ram_addr_t s390_virtio_device_num_vq(VirtIOS390Device *dev)
@@ -214,8 +220,8 @@ void s390_virtio_device_sync(VirtIOS390Device *dev)
         vring = s390_virtio_next_ring(bus);
         virtio_queue_set_addr(dev->vdev, i, vring);
         virtio_queue_set_vector(dev->vdev, i, i);
-        stq_phys(vq + VIRTIO_VQCONFIG_OFFS_ADDRESS, vring);
-        stw_phys(vq + VIRTIO_VQCONFIG_OFFS_NUM, virtio_queue_get_num(dev->vdev, i));
+        stq_be_phys(vq + VIRTIO_VQCONFIG_OFFS_ADDRESS, vring);
+        stw_be_phys(vq + VIRTIO_VQCONFIG_OFFS_NUM, virtio_queue_get_num(dev->vdev, i));
     }
 
     cur_offs = dev->dev_offs;
@@ -223,7 +229,7 @@ void s390_virtio_device_sync(VirtIOS390Device *dev)
     cur_offs += num_vq * VIRTIO_VQCONFIG_LEN;
 
     /* Sync feature bitmap */
-    stl_phys(cur_offs, dev->host_features);
+    stl_le_phys(cur_offs, dev->host_features);
 
     dev->feat_offs = cur_offs + dev->feat_len;
     cur_offs += dev->feat_len * 2;
@@ -233,7 +239,8 @@ void s390_virtio_device_sync(VirtIOS390Device *dev)
         dev->vdev->get_config(dev->vdev, dev->vdev->config);
     }
 
-    cpu_physical_memory_rw(cur_offs, dev->vdev->config, dev->vdev->config_len, 1);
+    cpu_physical_memory_write(cur_offs,
+                              dev->vdev->config, dev->vdev->config_len);
     cur_offs += dev->vdev->config_len;
 }
 
@@ -246,7 +253,7 @@ void s390_virtio_device_update_status(VirtIOS390Device *dev)
 
     /* Update guest supported feature bitmap */
 
-    features = ldl_phys(dev->feat_offs);
+    features = bswap32(ldl_be_phys(dev->feat_offs));
     if (vdev->set_features) {
         vdev->set_features(vdev, features);
     }
@@ -267,7 +274,7 @@ VirtIOS390Device *s390_virtio_bus_find_vring(VirtIOS390Bus *bus,
     DeviceState *dev;
     int i;
 
-    QLIST_FOREACH(dev, &bus->bus.children, sibling) {
+    QTAILQ_FOREACH(dev, &bus->bus.children, sibling) {
         _dev = (VirtIOS390Device *)dev;
         for(i = 0; i < VIRTIO_PCI_QUEUE_MAX; i++) {
             if (!virtio_queue_get_addr(_dev->vdev, i))
@@ -290,7 +297,7 @@ VirtIOS390Device *s390_virtio_bus_find_mem(VirtIOS390Bus *bus, ram_addr_t mem)
     VirtIOS390Device *_dev;
     DeviceState *dev;
 
-    QLIST_FOREACH(dev, &bus->bus.children, sibling) {
+    QTAILQ_FOREACH(dev, &bus->bus.children, sibling) {
         _dev = (VirtIOS390Device *)dev;
         if (_dev->dev_offs == mem) {
             return _dev;
@@ -304,9 +311,13 @@ static void virtio_s390_notify(void *opaque, uint16_t vector)
 {
     VirtIOS390Device *dev = (VirtIOS390Device*)opaque;
     uint64_t token = s390_virtio_device_vq_token(dev, vector);
+    CPUState *env = s390_cpu_addr2state(0);
 
-    /* XXX kvm dependency! */
-    kvm_s390_virtio_irq(s390_cpu_addr2state(0), 0, token);
+    if (kvm_enabled()) {
+        kvm_s390_virtio_irq(env, 0, token);
+    } else {
+        cpu_inject_ext(env, VIRTIO_EXT_CODE, 0, token);
+    }
 }
 
 static unsigned virtio_s390_get_features(void *opaque)
@@ -325,6 +336,7 @@ static const VirtIOBindings virtio_s390_bindings = {
 static VirtIOS390DeviceInfo s390_virtio_net = {
     .init = s390_virtio_net_init,
     .qdev.name = "virtio-net-s390",
+    .qdev.alias = "virtio-net",
     .qdev.size = sizeof(VirtIOS390Device),
     .qdev.props = (Property[]) {
         DEFINE_NIC_PROPERTIES(VirtIOS390Device, nic),
@@ -340,9 +352,11 @@ static VirtIOS390DeviceInfo s390_virtio_net = {
 static VirtIOS390DeviceInfo s390_virtio_blk = {
     .init = s390_virtio_blk_init,
     .qdev.name = "virtio-blk-s390",
+    .qdev.alias = "virtio-blk",
     .qdev.size = sizeof(VirtIOS390Device),
     .qdev.props = (Property[]) {
         DEFINE_BLOCK_PROPERTIES(VirtIOS390Device, block),
+        DEFINE_PROP_STRING("serial", VirtIOS390Device, block_serial),
         DEFINE_PROP_END_OF_LIST(),
     },
 };
@@ -353,8 +367,8 @@ static VirtIOS390DeviceInfo s390_virtio_serial = {
     .qdev.alias = "virtio-serial",
     .qdev.size = sizeof(VirtIOS390Device),
     .qdev.props = (Property[]) {
-        DEFINE_PROP_UINT32("max_ports", VirtIOS390Device, max_virtserial_ports,
-                           31),
+        DEFINE_PROP_UINT32("max_ports", VirtIOS390Device,
+                           serial.max_virtserial_ports, 31),
         DEFINE_PROP_END_OF_LIST(),
     },
 };