]> Git Repo - qemu.git/blobdiff - hw/pci-host/versatile.c
COLO: Synchronize PVM's state to SVM periodically
[qemu.git] / hw / pci-host / versatile.c
index f19e2f5902a40e33916c22a959e732e371254c1c..467cbb9cb8163d915c8162341d807cd11f992ed8 100644 (file)
@@ -7,11 +7,13 @@
  * This code is licensed under the LGPL.
  */
 
+#include "qemu/osdep.h"
 #include "hw/sysbus.h"
 #include "hw/pci/pci.h"
 #include "hw/pci/pci_bus.h"
 #include "hw/pci/pci_host.h"
 #include "exec/address-spaces.h"
+#include "qemu/log.h"
 
 /* Old and buggy versions of QEMU used the wrong mapping from
  * PCI IRQs to system interrupt lines. Unfortunately the Linux
  *   1      | 30 | 27 | 28 | 92
  *   2      | 27 | 27 | 29 | 93
  *   3      | 28 | 27 | 30 | 94
+ *
+ * Since our autodetection is not perfect we also provide a
+ * property so the user can make us start in BROKEN or FORCE_OK
+ * on reset if they know they have a bad or good kernel.
  */
 enum {
     PCI_VPB_IRQMAP_ASSUME_OK,
@@ -82,6 +88,7 @@ typedef struct {
     /* Constant for life of device: */
     int realview;
     uint32_t mem_win_size[3];
+    uint8_t irq_mapping_prop;
 
     /* Variable state: */
     uint32_t imap[3];
@@ -366,7 +373,7 @@ static void pci_vpb_reset(DeviceState *d)
     s->smap[2] = 0;
     s->selfid = 0;
     s->flags = 0;
-    s->irq_mapping = PCI_VPB_IRQMAP_ASSUME_OK;
+    s->irq_mapping = s->irq_mapping_prop;
 
     pci_vpb_update_all_windows(s);
 }
@@ -376,15 +383,15 @@ static void pci_vpb_init(Object *obj)
     PCIHostState *h = PCI_HOST_BRIDGE(obj);
     PCIVPBState *s = PCI_VPB(obj);
 
-    memory_region_init(&s->pci_io_space, "pci_io", 1ULL << 32);
-    memory_region_init(&s->pci_mem_space, "pci_mem", 1ULL << 32);
+    memory_region_init(&s->pci_io_space, OBJECT(s), "pci_io", 1ULL << 32);
+    memory_region_init(&s->pci_mem_space, OBJECT(s), "pci_mem", 1ULL << 32);
 
-    pci_bus_new_inplace(&s->pci_bus, DEVICE(obj), "pci",
+    pci_bus_new_inplace(&s->pci_bus, sizeof(s->pci_bus), DEVICE(obj), "pci",
                         &s->pci_mem_space, &s->pci_io_space,
                         PCI_DEVFN(11, 0), TYPE_PCI_BUS);
     h->bus = &s->pci_bus;
 
-    object_initialize(&s->pci_dev, TYPE_VERSATILE_PCI_HOST);
+    object_initialize(&s->pci_dev, sizeof(s->pci_dev), TYPE_VERSATILE_PCI_HOST);
     qdev_set_parent_bus(DEVICE(&s->pci_dev), BUS(&s->pci_bus));
 
     /* Window sizes for VersatilePB; realview_pci's init will override */
@@ -419,20 +426,20 @@ static void pci_vpb_realize(DeviceState *dev, Error **errp)
      * 3 : PCI IO window
      * 4..6 : PCI memory windows
      */
-    memory_region_init_io(&s->controlregs, &pci_vpb_reg_ops, s, "pci-vpb-regs",
-                          0x1000);
+    memory_region_init_io(&s->controlregs, OBJECT(s), &pci_vpb_reg_ops, s,
+                          "pci-vpb-regs", 0x1000);
     sysbus_init_mmio(sbd, &s->controlregs);
-    memory_region_init_io(&s->mem_config, &pci_vpb_config_ops, s,
+    memory_region_init_io(&s->mem_config, OBJECT(s), &pci_vpb_config_ops, s,
                           "pci-vpb-selfconfig", 0x1000000);
     sysbus_init_mmio(sbd, &s->mem_config);
-    memory_region_init_io(&s->mem_config2, &pci_vpb_config_ops, s,
+    memory_region_init_io(&s->mem_config2, OBJECT(s), &pci_vpb_config_ops, s,
                           "pci-vpb-config", 0x1000000);
     sysbus_init_mmio(sbd, &s->mem_config2);
 
     /* The window into I/O space is always into a fixed base address;
      * its size is the same for both realview and versatile.
      */
-    memory_region_init_alias(&s->pci_io_window, "pci-vbp-io-window",
+    memory_region_init_alias(&s->pci_io_window, OBJECT(s), "pci-vbp-io-window",
                              &s->pci_io_space, 0, 0x100000);
 
     sysbus_init_mmio(sbd, &s->pci_io_space);
@@ -442,31 +449,37 @@ static void pci_vpb_realize(DeviceState *dev, Error **errp)
      * offsets are guest controllable via the IMAP registers.
      */
     for (i = 0; i < 3; i++) {
-        memory_region_init_alias(&s->pci_mem_window[i], "pci-vbp-window",
+        memory_region_init_alias(&s->pci_mem_window[i], OBJECT(s), "pci-vbp-window",
                                  &s->pci_mem_space, 0, s->mem_win_size[i]);
         sysbus_init_mmio(sbd, &s->pci_mem_window[i]);
     }
 
     /* TODO Remove once realize propagates to child devices. */
+    object_property_set_bool(OBJECT(&s->pci_bus), true, "realized", errp);
     object_property_set_bool(OBJECT(&s->pci_dev), true, "realized", errp);
 }
 
-static int versatile_pci_host_init(PCIDevice *d)
+static void versatile_pci_host_realize(PCIDevice *d, Error **errp)
 {
     pci_set_word(d->config + PCI_STATUS,
                  PCI_STATUS_66MHZ | PCI_STATUS_DEVSEL_MEDIUM);
     pci_set_byte(d->config + PCI_LATENCY_TIMER, 0x10);
-    return 0;
 }
 
 static void versatile_pci_host_class_init(ObjectClass *klass, void *data)
 {
     PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
+    DeviceClass *dc = DEVICE_CLASS(klass);
 
-    k->init = versatile_pci_host_init;
+    k->realize = versatile_pci_host_realize;
     k->vendor_id = PCI_VENDOR_ID_XILINX;
     k->device_id = PCI_DEVICE_ID_XILINX_XC2VP30;
     k->class_id = PCI_CLASS_PROCESSOR_CO;
+    /*
+     * PCI-facing part of the host bridge, not usable without the
+     * host-facing part, which can't be device_add'ed, yet.
+     */
+    dc->cannot_instantiate_with_device_add_yet = true;
 }
 
 static const TypeInfo versatile_pci_host_info = {
@@ -476,6 +489,12 @@ static const TypeInfo versatile_pci_host_info = {
     .class_init    = versatile_pci_host_class_init,
 };
 
+static Property pci_vpb_properties[] = {
+    DEFINE_PROP_UINT8("broken-irq-mapping", PCIVPBState, irq_mapping_prop,
+                      PCI_VPB_IRQMAP_ASSUME_OK),
+    DEFINE_PROP_END_OF_LIST()
+};
+
 static void pci_vpb_class_init(ObjectClass *klass, void *data)
 {
     DeviceClass *dc = DEVICE_CLASS(klass);
@@ -483,6 +502,9 @@ static void pci_vpb_class_init(ObjectClass *klass, void *data)
     dc->realize = pci_vpb_realize;
     dc->reset = pci_vpb_reset;
     dc->vmsd = &pci_vpb_vmstate;
+    dc->props = pci_vpb_properties;
+    /* Reason: object_unref() hangs */
+    dc->cannot_destroy_with_object_finalize_yet = true;
 }
 
 static const TypeInfo pci_vpb_info = {
@@ -504,10 +526,19 @@ static void pci_realview_init(Object *obj)
     s->mem_win_size[2] = 0x08000000;
 }
 
+static void pci_realview_class_init(ObjectClass *class, void *data)
+{
+    DeviceClass *dc = DEVICE_CLASS(class);
+
+    /* Reason: object_unref() hangs */
+    dc->cannot_destroy_with_object_finalize_yet = true;
+}
+
 static const TypeInfo pci_realview_info = {
     .name          = "realview_pci",
     .parent        = TYPE_VERSATILE_PCI,
     .instance_init = pci_realview_init,
+    .class_init    = pci_realview_class_init,
 };
 
 static void versatile_pci_register_types(void)
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