Merge remote-tracking branch 'bonzini/iommu-for-anthony' into staging

# By Paolo Bonzini (50) and others
# Via Paolo Bonzini
* bonzini/iommu-for-anthony: (66 commits)
  exec: change some APIs to take AddressSpaceDispatch
  exec: remove cur_map
  exec: put memory map in AddressSpaceDispatch
  exec: separate current radix tree from the one being built
  exec: move listener from AddressSpaceDispatch to AddressSpace
  memory: move MemoryListener declaration earlier
  exec: separate current memory map from the one being built
  exec: change well-known physical sections to macros
  qom: Use atomics for object refcounting
  memory: add reference counting to FlatView
  memory: use a new FlatView pointer on every topology update
  memory: access FlatView from a local variable
  add a header file for atomic operations
  hw/[u-x]*: pass owner to memory_region_init* functions
  hw/t*: pass owner to memory_region_init* functions
  hw/s*: pass owner to memory_region_init* functions
  hw/p*: pass owner to memory_region_init* functions
  hw/n*: pass owner to memory_region_init* functions
  hw/m*: pass owner to memory_region_init* functions
  hw/i*: pass owner to memory_region_init* functions
  ...

Message-id: 1372950842-32422-1-git-send-email-pbonzini@redhat.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>

9 files changed, 31 insertions, 28 deletions

diff --git a/hw/i386/kvm/apic.c b/hw/i386/kvm/apic.c
index bd0bdd8590..179b806d96 100644
--- a/hw/i386/kvm/apic.c
+++ b/hw/i386/kvm/apic.c
@@ -173,7 +173,7 @@ static const MemoryRegionOps kvm_apic_io_ops = {
 
 static void kvm_apic_init(APICCommonState *s)
 {
-    memory_region_init_io(&s->io_memory, &kvm_apic_io_ops, s, "kvm-apic-msi",
+    memory_region_init_io(&s->io_memory, NULL, &kvm_apic_io_ops, s, "kvm-apic-msi",
                           APIC_SPACE_SIZE);
 
     if (kvm_has_gsi_routing()) {
diff --git a/hw/i386/kvm/i8254.c b/hw/i386/kvm/i8254.c
index 93a3669746..c1f40948f9 100644
--- a/hw/i386/kvm/i8254.c
+++ b/hw/i386/kvm/i8254.c
@@ -288,7 +288,7 @@ static void kvm_pit_realizefn(DeviceState *dev, Error **errp)
         return;
     }
 
-    memory_region_init_reservation(&pit->ioports, "kvm-pit", 4);
+    memory_region_init_reservation(&pit->ioports, NULL, "kvm-pit", 4);
 
     qdev_init_gpio_in(dev, kvm_pit_irq_control, 1);
 
diff --git a/hw/i386/kvm/i8259.c b/hw/i386/kvm/i8259.c
index 125022422a..53e3ca8c67 100644
--- a/hw/i386/kvm/i8259.c
+++ b/hw/i386/kvm/i8259.c
@@ -119,8 +119,8 @@ static void kvm_pic_realize(DeviceState *dev, Error **errp)
     PICCommonState *s = PIC_COMMON(dev);
     KVMPICClass *kpc = KVM_PIC_GET_CLASS(dev);
 
-    memory_region_init_reservation(&s->base_io, "kvm-pic", 2);
-    memory_region_init_reservation(&s->elcr_io, "kvm-elcr", 1);
+    memory_region_init_reservation(&s->base_io, NULL, "kvm-pic", 2);
+    memory_region_init_reservation(&s->elcr_io, NULL, "kvm-elcr", 1);
 
     kpc->parent_realize(dev, errp);
 }
diff --git a/hw/i386/kvm/ioapic.c b/hw/i386/kvm/ioapic.c
index abfac3da7a..688cb5cab3 100644
--- a/hw/i386/kvm/ioapic.c
+++ b/hw/i386/kvm/ioapic.c
@@ -129,7 +129,7 @@ static void kvm_ioapic_set_irq(void *opaque, int irq, int level)
 
 static void kvm_ioapic_init(IOAPICCommonState *s, int instance_no)
 {
-    memory_region_init_reservation(&s->io_memory, "kvm-ioapic", 0x1000);
+    memory_region_init_reservation(&s->io_memory, NULL, "kvm-ioapic", 0x1000);
 
     qdev_init_gpio_in(&s->busdev.qdev, kvm_ioapic_set_irq, IOAPIC_NUM_PINS);
 }
diff --git a/hw/i386/kvm/pci-assign.c b/hw/i386/kvm/pci-assign.c
index eab2d3e590..ff33dc8850 100644
--- a/hw/i386/kvm/pci-assign.c
+++ b/hw/i386/kvm/pci-assign.c
@@ -298,8 +298,8 @@ static void assigned_dev_iomem_setup(PCIDevice *pci_dev, int region_num,
     PCIRegion *real_region = &r_dev->real_device.regions[region_num];
 
     if (e_size > 0) {
-        memory_region_init(&region->container, "assigned-dev-container",
-                           e_size);
+        memory_region_init(&region->container, OBJECT(pci_dev),
+                           "assigned-dev-container", e_size);
         memory_region_add_subregion(&region->container, 0, &region->real_iomem);
 
         /* deal with MSI-X MMIO page */
@@ -329,9 +329,10 @@ static void assigned_dev_ioport_setup(PCIDevice *pci_dev, int region_num,
     AssignedDevRegion *region = &r_dev->v_addrs[region_num];
 
     region->e_size = size;
-    memory_region_init(&region->container, "assigned-dev-container", size);
-    memory_region_init_io(&region->real_iomem, &assigned_dev_ioport_ops,
-                          r_dev->v_addrs + region_num,
+    memory_region_init(&region->container, OBJECT(pci_dev),
+                       "assigned-dev-container", size);
+    memory_region_init_io(&region->real_iomem, OBJECT(pci_dev),
+                          &assigned_dev_ioport_ops, r_dev->v_addrs + region_num,
                           "assigned-dev-iomem", size);
     memory_region_add_subregion(&region->container, 0, &region->real_iomem);
 }
@@ -479,7 +480,8 @@ static int assigned_dev_register_regions(PCIRegion *io_regions,
                              "due to that.",
                              i, cur_region->base_addr, cur_region->size);
                 memory_region_init_io(&pci_dev->v_addrs[i].real_iomem,
-                                      &slow_bar_ops, &pci_dev->v_addrs[i],
+                                      OBJECT(pci_dev), &slow_bar_ops,
+                                      &pci_dev->v_addrs[i],
                                       "assigned-dev-slow-bar",
                                       cur_region->size);
             } else {
@@ -488,8 +490,8 @@ static int assigned_dev_register_regions(PCIRegion *io_regions,
                 snprintf(name, sizeof(name), "%s.bar%d",
                          object_get_typename(OBJECT(pci_dev)), i);
                 memory_region_init_ram_ptr(&pci_dev->v_addrs[i].real_iomem,
-                                           name, cur_region->size,
-                                           virtbase);
+                                           OBJECT(pci_dev), name,
+                                           cur_region->size, virtbase);
                 vmstate_register_ram(&pci_dev->v_addrs[i].real_iomem,
                                      &pci_dev->dev.qdev);
             }
@@ -1650,8 +1652,8 @@ static int assigned_dev_register_msix_mmio(AssignedDevice *dev)
 
     assigned_dev_msix_reset(dev);
 
-    memory_region_init_io(&dev->mmio, &assigned_dev_msix_mmio_ops, dev,
-                          "assigned-dev-msix", MSIX_PAGE_SIZE);
+    memory_region_init_io(&dev->mmio, OBJECT(dev), &assigned_dev_msix_mmio_ops,
+                          dev, "assigned-dev-msix", MSIX_PAGE_SIZE);
     return 0;
 }
 
@@ -1916,7 +1918,7 @@ static void assigned_dev_load_option_rom(AssignedDevice *dev)
 
     snprintf(name, sizeof(name), "%s.rom",
             object_get_typename(OBJECT(dev)));
-    memory_region_init_ram(&dev->dev.rom, name, st.st_size);
+    memory_region_init_ram(&dev->dev.rom, OBJECT(dev), name, st.st_size);
     vmstate_register_ram(&dev->dev.rom, &dev->dev.qdev);
     ptr = memory_region_get_ram_ptr(&dev->dev.rom);
     memset(ptr, 0xff, st.st_size);
diff --git a/hw/i386/kvmvapic.c b/hw/i386/kvmvapic.c
index f93629f9d4..9850a8511a 100644
--- a/hw/i386/kvmvapic.c
+++ b/hw/i386/kvmvapic.c
@@ -601,10 +601,11 @@ static void vapic_map_rom_writable(VAPICROMState *s)
     rom_paddr &= TARGET_PAGE_MASK;
     rom_size = TARGET_PAGE_ALIGN(rom_size);
 
-    memory_region_init_alias(&s->rom, "kvmvapic-rom", section.mr, rom_paddr,
-                             rom_size);
+    memory_region_init_alias(&s->rom, OBJECT(s), "kvmvapic-rom", section.mr,
+                             rom_paddr, rom_size);
     memory_region_add_subregion_overlap(as, rom_paddr, &s->rom, 1000);
     s->rom_mapped_writable = true;
+    memory_region_unref(section.mr);
 }
 
 static int vapic_prepare(VAPICROMState *s)
@@ -702,7 +703,7 @@ static int vapic_init(SysBusDevice *dev)
 {
     VAPICROMState *s = VAPIC(dev);
 
-    memory_region_init_io(&s->io, &vapic_ops, s, "kvmvapic", 2);
+    memory_region_init_io(&s->io, OBJECT(s), &vapic_ops, s, "kvmvapic", 2);
     sysbus_add_io(dev, VAPIC_IO_PORT, &s->io);
     sysbus_init_ioports(dev, VAPIC_IO_PORT, 2);
 
diff --git a/hw/i386/pc.c b/hw/i386/pc.c
index 78f92e29a7..e7ad93189d 100644
--- a/hw/i386/pc.c
+++ b/hw/i386/pc.c
@@ -525,7 +525,7 @@ static void port92_initfn(Object *obj)
 {
     Port92State *s = PORT92(obj);
 
-    memory_region_init_io(&s->io, &port92_ops, s, "port92", 1);
+    memory_region_init_io(&s->io, OBJECT(s), &port92_ops, s, "port92", 1);
 
     s->outport = 0;
 }
@@ -1044,17 +1044,17 @@ FWCfgState *pc_memory_init(MemoryRegion *system_memory,
      * with older qemus that used qemu_ram_alloc().
      */
     ram = g_malloc(sizeof(*ram));
-    memory_region_init_ram(ram, "pc.ram",
+    memory_region_init_ram(ram, NULL, "pc.ram",
                            below_4g_mem_size + above_4g_mem_size);
     vmstate_register_ram_global(ram);
     *ram_memory = ram;
     ram_below_4g = g_malloc(sizeof(*ram_below_4g));
-    memory_region_init_alias(ram_below_4g, "ram-below-4g", ram,
+    memory_region_init_alias(ram_below_4g, NULL, "ram-below-4g", ram,
                              0, below_4g_mem_size);
     memory_region_add_subregion(system_memory, 0, ram_below_4g);
     if (above_4g_mem_size > 0) {
         ram_above_4g = g_malloc(sizeof(*ram_above_4g));
-        memory_region_init_alias(ram_above_4g, "ram-above-4g", ram,
+        memory_region_init_alias(ram_above_4g, NULL, "ram-above-4g", ram,
                                  below_4g_mem_size, above_4g_mem_size);
         memory_region_add_subregion(system_memory, 0x100000000ULL,
                                     ram_above_4g);
@@ -1065,7 +1065,7 @@ FWCfgState *pc_memory_init(MemoryRegion *system_memory,
     pc_system_firmware_init(rom_memory);
 
     option_rom_mr = g_malloc(sizeof(*option_rom_mr));
-    memory_region_init_ram(option_rom_mr, "pc.rom", PC_ROM_SIZE);
+    memory_region_init_ram(option_rom_mr, NULL, "pc.rom", PC_ROM_SIZE);
     vmstate_register_ram_global(option_rom_mr);
     memory_region_add_subregion_overlap(rom_memory,
                                         PC_ROM_MIN_VGA,
@@ -1150,10 +1150,10 @@ void pc_basic_device_init(ISABus *isa_bus, qemu_irq *gsi,
     MemoryRegion *ioport80_io = g_new(MemoryRegion, 1);
     MemoryRegion *ioportF0_io = g_new(MemoryRegion, 1);
 
-    memory_region_init_io(ioport80_io, &ioport80_io_ops, NULL, "ioport80", 1);
+    memory_region_init_io(ioport80_io, NULL, &ioport80_io_ops, NULL, "ioport80", 1);
     memory_region_add_subregion(isa_bus->address_space_io, 0x80, ioport80_io);
 
-    memory_region_init_io(ioportF0_io, &ioportF0_io_ops, NULL, "ioportF0", 1);
+    memory_region_init_io(ioportF0_io, NULL, &ioportF0_io_ops, NULL, "ioportF0", 1);
     memory_region_add_subregion(isa_bus->address_space_io, 0xf0, ioportF0_io);
 
     /*
diff --git a/hw/i386/pc_piix.c b/hw/i386/pc_piix.c
index fa59a0cb26..faf947e661 100644
--- a/hw/i386/pc_piix.c
+++ b/hw/i386/pc_piix.c
@@ -117,7 +117,7 @@ static void pc_init1(MemoryRegion *system_memory,
 
     if (pci_enabled) {
         pci_memory = g_new(MemoryRegion, 1);
-        memory_region_init(pci_memory, "pci", INT64_MAX);
+        memory_region_init(pci_memory, NULL, "pci", INT64_MAX);
         rom_memory = pci_memory;
     } else {
         pci_memory = NULL;
diff --git a/hw/i386/pc_q35.c b/hw/i386/pc_q35.c
index bb0ce6ae6b..e4cde042ce 100644
--- a/hw/i386/pc_q35.c
+++ b/hw/i386/pc_q35.c
@@ -98,7 +98,7 @@ static void pc_q35_init(QEMUMachineInitArgs *args)
     /* pci enabled */
     if (pci_enabled) {
         pci_memory = g_new(MemoryRegion, 1);
-        memory_region_init(pci_memory, "pci", INT64_MAX);
+        memory_region_init(pci_memory, NULL, "pci", INT64_MAX);
         rom_memory = pci_memory;
     } else {
         pci_memory = NULL;