Merge remote-tracking branch 'remotes/mst/tags/for_upstream' into staging

pc, acpi, virtio, tpm

This includes pxb support by Marcel, as well as multiple enhancements all over
the place.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

# gpg: Signature made Thu Jun  4 11:51:02 2015 BST using RSA key ID D28D5469
# gpg: Good signature from "Michael S. Tsirkin <mst@kernel.org>"
# gpg:                 aka "Michael S. Tsirkin <mst@redhat.com>"

* remotes/mst/tags/for_upstream: (28 commits)
  vhost: logs sharing
  hw/acpi: piix4_pm_init(): take fw_cfg object no more
  hw/acpi: move "etc/system-states" fw_cfg file from PIIX4 to core
  hw/acpi: acpi_pm1_cnt_init(): take "disable_s3" and "disable_s4"
  pc-dimm: don't assert if pc-dimm alignment != hotpluggable mem range size
  docs: Add PXB documentation
  apci: fix PXB behaviour if used with unsupported BIOS
  hw/pxb: add numa_node parameter
  hw/pci: add support for NUMA nodes
  hw/pxb: add map_irq func
  hw/pci: inform bios if the system has extra pci root buses
  hw/pci: introduce PCI Expander Bridge (PXB)
  hw/pci: removed 'rootbus nr is 0' assumption from qmp_pci_query
  hw/acpi: remove from root bus 0 the crs resources used by other buses.
  hw/acpi: add _CRS method for extra root busses
  hw/apci: add _PRT method for extra PCI root busses
  hw/acpi: add support for i440fx 'snooping' root busses
  hw/pci: extend PCI config access to support devices behind PXB
  hw/i386: query only for q35/pc when looking for pci host bridge
  hw/pci: made pci_bus_num a PCIBusClass method
  ...

Conflicts:
	hw/i386/pc_piix.c

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

8 files changed, 39 insertions, 12 deletions

diff --git a/include/hw/acpi/acpi.h b/include/hw/acpi/acpi.h
index 1f678b4bf2..b20bd55a67 100644
--- a/include/hw/acpi/acpi.h
+++ b/include/hw/acpi/acpi.h
@@ -91,6 +91,13 @@
 /* PM2_CNT */
 #define ACPI_BITMASK_ARB_DISABLE                0x0001
 
+/* These values are part of guest ABI, and can not be changed */
+typedef enum {
+    ACPI_PCI_HOTPLUG_STATUS = 2,
+    ACPI_CPU_HOTPLUG_STATUS = 4,
+    ACPI_MEMORY_HOTPLUG_STATUS = 8,
+} AcpiGPEStatusBits;
+
 /* structs */
 typedef struct ACPIPMTimer ACPIPMTimer;
 typedef struct ACPIPM1EVT ACPIPM1EVT;
@@ -160,7 +167,8 @@ void acpi_pm1_evt_init(ACPIREGS *ar, acpi_update_sci_fn update_sci,
                        MemoryRegion *parent);
 
 /* PM1a_CNT: piix and ich9 don't implement PM1b CNT. */
-void acpi_pm1_cnt_init(ACPIREGS *ar, MemoryRegion *parent, uint8_t s4_val);
+void acpi_pm1_cnt_init(ACPIREGS *ar, MemoryRegion *parent,
+                       bool disable_s3, bool disable_s4, uint8_t s4_val);
 void acpi_pm1_cnt_update(ACPIREGS *ar,
                          bool sci_enable, bool sci_disable);
 void acpi_pm1_cnt_reset(ACPIREGS *ar);
@@ -172,6 +180,9 @@ void acpi_gpe_reset(ACPIREGS *ar);
 void acpi_gpe_ioport_writeb(ACPIREGS *ar, uint32_t addr, uint32_t val);
 uint32_t acpi_gpe_ioport_readb(ACPIREGS *ar, uint32_t addr);
 
+void acpi_send_gpe_event(ACPIREGS *ar, qemu_irq irq,
+                         AcpiGPEStatusBits status);
+
 void acpi_update_sci(ACPIREGS *acpi_regs, qemu_irq irq);
 
 /* acpi.c */
diff --git a/include/hw/acpi/memory_hotplug.h b/include/hw/acpi/memory_hotplug.h
index 986223b16c..1342adb08f 100644
--- a/include/hw/acpi/memory_hotplug.h
+++ b/include/hw/acpi/memory_hotplug.h
@@ -5,8 +5,6 @@
 #include "hw/acpi/acpi.h"
 #include "migration/vmstate.h"
 
-#define ACPI_MEMORY_HOTPLUG_STATUS 8
-
 /**
  * MemStatus:
  * @is_removing: the memory device in slot has been requested to be ejected.
diff --git a/include/hw/acpi/pc-hotplug.h b/include/hw/acpi/pc-hotplug.h
index 0513c1c158..77b1569007 100644
--- a/include/hw/acpi/pc-hotplug.h
+++ b/include/hw/acpi/pc-hotplug.h
@@ -16,7 +16,6 @@
  * ONLY DEFINEs are permited in this file since it's shared
  * between C and ASL code.
  */
-#define ACPI_CPU_HOTPLUG_STATUS 4
 
 /* Limit for CPU arch IDs for CPU hotplug. All hotpluggable CPUs should
  * have CPUClass.get_arch_id() < ACPI_CPU_HOTPLUG_ID_LIMIT.
diff --git a/include/hw/i386/pc.h b/include/hw/i386/pc.h
index 261155fe1a..bec6de1ddf 100644
--- a/include/hw/i386/pc.h
+++ b/include/hw/i386/pc.h
@@ -218,8 +218,7 @@ void ioapic_init_gsi(GSIState *gsi_state, const char *parent_name);
 
 I2CBus *piix4_pm_init(PCIBus *bus, int devfn, uint32_t smb_io_base,
                       qemu_irq sci_irq, qemu_irq smi_irq,
-                      int kvm_enabled, FWCfgState *fw_cfg,
-                      DeviceState **piix4_pm);
+                      int kvm_enabled, DeviceState **piix4_pm);
 void piix4_smbus_register_device(SMBusDevice *dev, uint8_t addr);
 
 /* hpet.c */
diff --git a/include/hw/pci/pci.h b/include/hw/pci/pci.h
index 6c2af0d46e..d44bc84d1e 100644
--- a/include/hw/pci/pci.h
+++ b/include/hw/pci/pci.h
@@ -91,6 +91,7 @@
 #define PCI_DEVICE_ID_REDHAT_ROCKER      0x0006
 #define PCI_DEVICE_ID_REDHAT_SDHCI       0x0007
 #define PCI_DEVICE_ID_REDHAT_PCIE_HOST   0x0008
+#define PCI_DEVICE_ID_REDHAT_PXB         0x0009
 #define PCI_DEVICE_ID_REDHAT_QXL         0x0100
 
 #define FMT_PCIBUS                      PRIx64
@@ -346,6 +347,8 @@ typedef PCIINTxRoute (*pci_route_irq_fn)(void *opaque, int pin);
 
 #define TYPE_PCI_BUS "PCI"
 #define PCI_BUS(obj) OBJECT_CHECK(PCIBus, (obj), TYPE_PCI_BUS)
+#define PCI_BUS_CLASS(klass) OBJECT_CLASS_CHECK(PCIBusClass, (klass), TYPE_PCI_BUS)
+#define PCI_BUS_GET_CLASS(obj) OBJECT_GET_CLASS(PCIBusClass, (obj), TYPE_PCI_BUS)
 #define TYPE_PCIE_BUS "PCIE"
 
 bool pci_bus_is_express(PCIBus *bus);
@@ -385,6 +388,7 @@ PCIDevice *pci_nic_init_nofail(NICInfo *nd, PCIBus *rootbus,
 PCIDevice *pci_vga_init(PCIBus *bus);
 
 int pci_bus_num(PCIBus *s);
+int pci_bus_numa_node(PCIBus *bus);
 void pci_for_each_device(PCIBus *bus, int bus_num,
                          void (*fn)(PCIBus *bus, PCIDevice *d, void *opaque),
                          void *opaque);
diff --git a/include/hw/pci/pci_bus.h b/include/hw/pci/pci_bus.h
index fabaeee86b..403fec6e58 100644
--- a/include/hw/pci/pci_bus.h
+++ b/include/hw/pci/pci_bus.h
@@ -8,6 +8,16 @@
  * use accessor functions in pci.h, pci_bridge.h
  */
 
+typedef struct PCIBusClass {
+    /*< private >*/
+    BusClass parent_class;
+    /*< public >*/
+
+    bool (*is_root)(PCIBus *bus);
+    int (*bus_num)(PCIBus *bus);
+    uint16_t (*numa_node)(PCIBus *bus);
+} PCIBusClass;
+
 struct PCIBus {
     BusState qbus;
     PCIIOMMUFunc iommu_fn;
diff --git a/include/hw/virtio/vhost.h b/include/hw/virtio/vhost.h
index 8f04888e72..816a2e8db2 100644
--- a/include/hw/virtio/vhost.h
+++ b/include/hw/virtio/vhost.h
@@ -28,6 +28,12 @@ typedef unsigned long vhost_log_chunk_t;
 #define VHOST_LOG_CHUNK (VHOST_LOG_PAGE * VHOST_LOG_BITS)
 #define VHOST_INVALID_FEATURE_BIT   (0xff)
 
+struct vhost_log {
+    unsigned long long size;
+    int refcnt;
+    vhost_log_chunk_t log[0];
+};
+
 struct vhost_memory;
 struct vhost_dev {
     MemoryListener memory_listener;
@@ -43,7 +49,6 @@ struct vhost_dev {
     unsigned long long backend_features;
     bool started;
     bool log_enabled;
-    vhost_log_chunk_t *log;
     unsigned long long log_size;
     Error *migration_blocker;
     bool force;
@@ -52,6 +57,7 @@ struct vhost_dev {
     hwaddr mem_changed_end_addr;
     const VhostOps *vhost_ops;
     void *opaque;
+    struct vhost_log *log;
 };
 
 int vhost_dev_init(struct vhost_dev *hdev, void *opaque,
diff --git a/include/hw/virtio/virtio.h b/include/hw/virtio/virtio.h
index 7222a904dc..2bb7c1ad1a 100644
--- a/include/hw/virtio/virtio.h
+++ b/include/hw/virtio/virtio.h
@@ -98,7 +98,7 @@ typedef struct VirtioDeviceClass {
     DeviceUnrealize unrealize;
     uint64_t (*get_features)(VirtIODevice *vdev, uint64_t requested_features);
     uint64_t (*bad_features)(VirtIODevice *vdev);
-    void (*set_features)(VirtIODevice *vdev, uint32_t val);
+    void (*set_features)(VirtIODevice *vdev, uint64_t val);
     void (*get_config)(VirtIODevice *vdev, uint8_t *config);
     void (*set_config)(VirtIODevice *vdev, const uint8_t *config);
     void (*reset)(VirtIODevice *vdev);
@@ -184,7 +184,7 @@ void virtio_queue_set_vector(VirtIODevice *vdev, int n, uint16_t vector);
 void virtio_set_status(VirtIODevice *vdev, uint8_t val);
 void virtio_reset(void *opaque);
 void virtio_update_irq(VirtIODevice *vdev);
-int virtio_set_features(VirtIODevice *vdev, uint32_t val);
+int virtio_set_features(VirtIODevice *vdev, uint64_t val);
 
 /* Base devices.  */
 typedef struct VirtIOBlkConf VirtIOBlkConf;
@@ -230,19 +230,19 @@ VirtQueue *virtio_vector_next_queue(VirtQueue *vq);
 static inline void virtio_add_feature(uint64_t *features, unsigned int fbit)
 {
     assert(fbit < 64);
-    *features |= (1 << fbit);
+    *features |= (1ULL << fbit);
 }
 
 static inline void virtio_clear_feature(uint64_t *features, unsigned int fbit)
 {
     assert(fbit < 64);
-    *features &= ~(1 << fbit);
+    *features &= ~(1ULL << fbit);
 }
 
 static inline bool __virtio_has_feature(uint64_t features, unsigned int fbit)
 {
     assert(fbit < 64);
-    return !!(features & (1 << fbit));
+    return !!(features & (1ULL << fbit));
 }
 
 static inline bool virtio_has_feature(VirtIODevice *vdev, unsigned int fbit)