Merge remote-tracking branch 'remotes/ehabkost/tags/machine-next-pull-request' into staging

x86 and machine queue, 2019-10-15

Features:
* Snowridge-v2 (no MPX) CPU model (Xiaoyao Li)

Bug fixes:
* cpu-plug-test: fix device_add for pc/q35 machines (Igor Mammedov)
* Fix legacy guest with xsave panic on older Linux kernel (Bingsong Si)
* Omit all-zeroes entries from KVM CPUID table (Eduardo Habkost)

Cleanups:
* Convert reset handlers to DeviceReset (Philippe Mathieu-Daudé)
* MachineClass::auto_enable_numa field (Tao Xu)
* target/i386/cpu.h cleanups (Tao Xu)
* memory_device_get_free_addr() cleanups (Wei Yang)

# gpg: Signature made Tue 15 Oct 2019 22:35:43 BST
# gpg:                using RSA key 5A322FD5ABC4D3DBACCFD1AA2807936F984DC5A6
# gpg:                issuer "ehabkost@redhat.com"
# gpg: Good signature from "Eduardo Habkost <ehabkost@redhat.com>" [full]
# Primary key fingerprint: 5A32 2FD5 ABC4 D3DB ACCF  D1AA 2807 936F 984D C5A6

* remotes/ehabkost/tags/machine-next-pull-request:
  target/i386: Add Snowridge-v2 (no MPX) CPU model
  i386: Omit all-zeroes entries from KVM CPUID table
  i386: Fix legacy guest with xsave panic on host kvm without update cpuid.
  target/i386: drop the duplicated definition of cpuid AVX512_VBMI macro
  target/i386: clean up comments over 80 chars per line
  memory-device: break the loop if tmp exceed the hinted range
  memory-device: not necessary to use goto for the last check
  hw/misc/vmcoreinfo: Add comment about reset handler
  hw/input/lm832x: Convert reset handler to DeviceReset
  hw/isa/vt82c686: Convert reset handler to DeviceReset
  hw/ide/via82c: Convert reset handler to DeviceReset
  hw/ide/sii3112: Convert reset handler to DeviceReset
  hw/ide/piix: Convert reset handler to DeviceReset
  hw/isa/piix4: Convert reset handler to DeviceReset
  hw/acpi/piix4: Convert reset handler to DeviceReset
  numa: Introduce MachineClass::auto_enable_numa for implicit NUMA node
  tests: cpu-plug-test: fix device_add for pc/q35 machines
  tests: add qtest_qmp_device_add_qdict() helper

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

11 files changed, 41 insertions, 48 deletions

diff --git a/hw/acpi/piix4.c b/hw/acpi/piix4.c
index 5742c3df87..4e079b39bd 100644
--- a/hw/acpi/piix4.c
+++ b/hw/acpi/piix4.c
@@ -27,7 +27,6 @@
 #include "hw/pci/pci.h"
 #include "hw/qdev-properties.h"
 #include "hw/acpi/acpi.h"
-#include "sysemu/reset.h"
 #include "sysemu/runstate.h"
 #include "sysemu/sysemu.h"
 #include "qapi/error.h"
@@ -344,9 +343,9 @@ static const VMStateDescription vmstate_acpi = {
     }
 };
 
-static void piix4_reset(void *opaque)
+static void piix4_pm_reset(DeviceState *dev)
 {
-    PIIX4PMState *s = opaque;
+    PIIX4PMState *s = PIIX4_PM(dev);
     PCIDevice *d = PCI_DEVICE(s);
     uint8_t *pci_conf = d->config;
 
@@ -542,7 +541,6 @@ static void piix4_pm_realize(PCIDevice *dev, Error **errp)
 
     s->machine_ready.notify = piix4_pm_machine_ready;
     qemu_add_machine_init_done_notifier(&s->machine_ready);
-    qemu_register_reset(piix4_reset, s);
 
     piix4_acpi_system_hot_add_init(pci_address_space_io(dev),
                                    pci_get_bus(dev), s);
@@ -692,6 +690,7 @@ static void piix4_pm_class_init(ObjectClass *klass, void *data)
     k->device_id = PCI_DEVICE_ID_INTEL_82371AB_3;
     k->revision = 0x03;
     k->class_id = PCI_CLASS_BRIDGE_OTHER;
+    dc->reset = piix4_pm_reset;
     dc->desc = "PM";
     dc->vmsd = &vmstate_acpi;
     dc->props = piix4_pm_properties;
diff --git a/hw/core/numa.c b/hw/core/numa.c
index 4dfec5c95b..038c96d4ab 100644
--- a/hw/core/numa.c
+++ b/hw/core/numa.c
@@ -378,11 +378,17 @@ void numa_complete_configuration(MachineState *ms)
      *   guest tries to use it with that drivers.
      *
      * Enable NUMA implicitly by adding a new NUMA node automatically.
+     *
+     * Or if MachineClass::auto_enable_numa is true and no NUMA nodes,
+     * assume there is just one node with whole RAM.
      */
-    if (ms->ram_slots > 0 && ms->numa_state->num_nodes == 0 &&
-        mc->auto_enable_numa_with_memhp) {
+    if (ms->numa_state->num_nodes == 0 &&
+        ((ms->ram_slots > 0 &&
+        mc->auto_enable_numa_with_memhp) ||
+        mc->auto_enable_numa)) {
             NumaNodeOptions node = { };
             parse_numa_node(ms, &node, &error_abort);
+            numa_info[0].node_mem = ram_size;
     }
 
     assert(max_numa_nodeid <= MAX_NODES);
diff --git a/hw/ide/piix.c b/hw/ide/piix.c
index fba6bc8bff..db313dd3b1 100644
--- a/hw/ide/piix.c
+++ b/hw/ide/piix.c
@@ -30,7 +30,6 @@
 #include "sysemu/block-backend.h"
 #include "sysemu/blockdev.h"
 #include "sysemu/dma.h"
-#include "sysemu/reset.h"
 
 #include "hw/ide/pci.h"
 #include "trace.h"
@@ -103,9 +102,9 @@ static void bmdma_setup_bar(PCIIDEState *d)
     }
 }
 
-static void piix3_reset(void *opaque)
+static void piix_ide_reset(DeviceState *dev)
 {
-    PCIIDEState *d = opaque;
+    PCIIDEState *d = PCI_IDE(dev);
     PCIDevice *pd = PCI_DEVICE(d);
     uint8_t *pci_conf = pd->config;
     int i;
@@ -154,8 +153,6 @@ static void pci_piix_ide_realize(PCIDevice *dev, Error **errp)
 
     pci_conf[PCI_CLASS_PROG] = 0x80; // legacy ATA mode
 
-    qemu_register_reset(piix3_reset, d);
-
     bmdma_setup_bar(d);
     pci_register_bar(dev, 4, PCI_BASE_ADDRESS_SPACE_IO, &d->bmdma_bar);
 
@@ -247,6 +244,7 @@ static void piix3_ide_class_init(ObjectClass *klass, void *data)
     DeviceClass *dc = DEVICE_CLASS(klass);
     PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
 
+    dc->reset = piix_ide_reset;
     k->realize = pci_piix_ide_realize;
     k->exit = pci_piix_ide_exitfn;
     k->vendor_id = PCI_VENDOR_ID_INTEL;
@@ -273,6 +271,7 @@ static void piix4_ide_class_init(ObjectClass *klass, void *data)
     DeviceClass *dc = DEVICE_CLASS(klass);
     PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
 
+    dc->reset = piix_ide_reset;
     k->realize = pci_piix_ide_realize;
     k->exit = pci_piix_ide_exitfn;
     k->vendor_id = PCI_VENDOR_ID_INTEL;
diff --git a/hw/ide/sii3112.c b/hw/ide/sii3112.c
index 2181260531..06605d7af2 100644
--- a/hw/ide/sii3112.c
+++ b/hw/ide/sii3112.c
@@ -15,7 +15,6 @@
 #include "qemu/osdep.h"
 #include "hw/ide/pci.h"
 #include "qemu/module.h"
-#include "sysemu/reset.h"
 #include "trace.h"
 
 #define TYPE_SII3112_PCI "sii3112"
@@ -237,9 +236,9 @@ static void sii3112_set_irq(void *opaque, int channel, int level)
     sii3112_update_irq(s);
 }
 
-static void sii3112_reset(void *opaque)
+static void sii3112_reset(DeviceState *dev)
 {
-    SiI3112PCIState *s = opaque;
+    SiI3112PCIState *s = SII3112_PCI(dev);
     int i;
 
     for (i = 0; i < 2; i++) {
@@ -290,7 +289,6 @@ static void sii3112_pci_realize(PCIDevice *dev, Error **errp)
         s->bmdma[i].bus = &s->bus[i];
         ide_register_restart_cb(&s->bus[i]);
     }
-    qemu_register_reset(sii3112_reset, s);
 }
 
 static void sii3112_pci_class_init(ObjectClass *klass, void *data)
@@ -303,6 +301,7 @@ static void sii3112_pci_class_init(ObjectClass *klass, void *data)
     pd->class_id = PCI_CLASS_STORAGE_RAID;
     pd->revision = 1;
     pd->realize = sii3112_pci_realize;
+    dc->reset = sii3112_reset;
     dc->desc = "SiI3112A SATA controller";
     set_bit(DEVICE_CATEGORY_STORAGE, dc->categories);
 }
diff --git a/hw/ide/via.c b/hw/ide/via.c
index 7087dc676e..053622bd82 100644
--- a/hw/ide/via.c
+++ b/hw/ide/via.c
@@ -29,7 +29,6 @@
 #include "migration/vmstate.h"
 #include "qemu/module.h"
 #include "sysemu/dma.h"
-#include "sysemu/reset.h"
 
 #include "hw/ide/pci.h"
 #include "trace.h"
@@ -120,10 +119,10 @@ static void via_ide_set_irq(void *opaque, int n, int level)
     }
 }
 
-static void via_ide_reset(void *opaque)
+static void via_ide_reset(DeviceState *dev)
 {
-    PCIIDEState *d = opaque;
-    PCIDevice *pd = PCI_DEVICE(d);
+    PCIIDEState *d = PCI_IDE(dev);
+    PCIDevice *pd = PCI_DEVICE(dev);
     uint8_t *pci_conf = pd->config;
     int i;
 
@@ -172,8 +171,6 @@ static void via_ide_realize(PCIDevice *dev, Error **errp)
     pci_set_long(pci_conf + PCI_CAPABILITY_LIST, 0x000000c0);
     dev->wmask[PCI_INTERRUPT_LINE] = 0xf;
 
-    qemu_register_reset(via_ide_reset, d);
-
     memory_region_init_io(&d->data_bar[0], OBJECT(d), &pci_ide_data_le_ops,
                           &d->bus[0], "via-ide0-data", 8);
     pci_register_bar(dev, 0, PCI_BASE_ADDRESS_SPACE_IO, &d->data_bar[0]);
@@ -229,6 +226,7 @@ static void via_ide_class_init(ObjectClass *klass, void *data)
     DeviceClass *dc = DEVICE_CLASS(klass);
     PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
 
+    dc->reset = via_ide_reset;
     k->realize = via_ide_realize;
     k->exit = via_ide_exitfn;
     k->vendor_id = PCI_VENDOR_ID_VIA;
diff --git a/hw/input/lm832x.c b/hw/input/lm832x.c
index a37eb854b9..aa629ddbf1 100644
--- a/hw/input/lm832x.c
+++ b/hw/input/lm832x.c
@@ -24,7 +24,6 @@
 #include "migration/vmstate.h"
 #include "qemu/module.h"
 #include "qemu/timer.h"
-#include "sysemu/reset.h"
 #include "ui/console.h"
 
 #define TYPE_LM8323 "lm8323"
@@ -94,8 +93,10 @@ static void lm_kbd_gpio_update(LM823KbdState *s)
 {
 }
 
-static void lm_kbd_reset(LM823KbdState *s)
+static void lm_kbd_reset(DeviceState *dev)
 {
+    LM823KbdState *s = LM8323(dev);
+
     s->config = 0x80;
     s->status = INT_NOINIT;
     s->acttime = 125;
@@ -273,7 +274,7 @@ static void lm_kbd_write(LM823KbdState *s, int reg, int byte, uint8_t value)
 
     case LM832x_CMD_RESET:
         if (value == 0xaa)
-            lm_kbd_reset(s);
+            lm_kbd_reset(DEVICE(s));
         else
             lm_kbd_error(s, ERR_BADPAR);
         s->reg = LM832x_GENERAL_ERROR;
@@ -476,10 +477,6 @@ static void lm8323_realize(DeviceState *dev, Error **errp)
     s->pwm.tm[1] = timer_new_ns(QEMU_CLOCK_VIRTUAL, lm_kbd_pwm1_tick, s);
     s->pwm.tm[2] = timer_new_ns(QEMU_CLOCK_VIRTUAL, lm_kbd_pwm2_tick, s);
     qdev_init_gpio_out(dev, &s->nirq, 1);
-
-    lm_kbd_reset(s);
-
-    qemu_register_reset((void *) lm_kbd_reset, s);
 }
 
 void lm832x_key_event(DeviceState *dev, int key, int state)
@@ -507,6 +504,7 @@ static void lm8323_class_init(ObjectClass *klass, void *data)
     DeviceClass *dc = DEVICE_CLASS(klass);
     I2CSlaveClass *k = I2C_SLAVE_CLASS(klass);
 
+    dc->reset = lm_kbd_reset;
     dc->realize = lm8323_realize;
     k->event = lm_i2c_event;
     k->recv = lm_i2c_rx;
diff --git a/hw/isa/piix4.c b/hw/isa/piix4.c
index 3294056cd5..890d999abf 100644
--- a/hw/isa/piix4.c
+++ b/hw/isa/piix4.c
@@ -28,7 +28,6 @@
 #include "hw/isa/isa.h"
 #include "hw/sysbus.h"
 #include "migration/vmstate.h"
-#include "sysemu/reset.h"
 
 PCIDevice *piix4_dev;
 
@@ -40,9 +39,9 @@ typedef struct PIIX4State {
 #define PIIX4_PCI_DEVICE(obj) \
     OBJECT_CHECK(PIIX4State, (obj), TYPE_PIIX4_PCI_DEVICE)
 
-static void piix4_reset(void *opaque)
+static void piix4_isa_reset(DeviceState *dev)
 {
-    PIIX4State *d = opaque;
+    PIIX4State *d = PIIX4_PCI_DEVICE(dev);
     uint8_t *pci_conf = d->dev.config;
 
     pci_conf[0x04] = 0x07; // master, memory and I/O
@@ -97,7 +96,6 @@ static void piix4_realize(PCIDevice *dev, Error **errp)
         return;
     }
     piix4_dev = &d->dev;
-    qemu_register_reset(piix4_reset, d);
 }
 
 int piix4_init(PCIBus *bus, ISABus **isa_bus, int devfn)
@@ -118,6 +116,7 @@ static void piix4_class_init(ObjectClass *klass, void *data)
     k->vendor_id = PCI_VENDOR_ID_INTEL;
     k->device_id = PCI_DEVICE_ID_INTEL_82371AB_0;
     k->class_id = PCI_CLASS_BRIDGE_ISA;
+    dc->reset = piix4_isa_reset;
     dc->desc = "ISA bridge";
     dc->vmsd = &vmstate_piix4;
     /*
diff --git a/hw/isa/vt82c686.c b/hw/isa/vt82c686.c
index 50bd28fa82..616f67f347 100644
--- a/hw/isa/vt82c686.c
+++ b/hw/isa/vt82c686.c
@@ -23,7 +23,6 @@
 #include "hw/isa/apm.h"
 #include "hw/acpi/acpi.h"
 #include "hw/i2c/pm_smbus.h"
-#include "sysemu/reset.h"
 #include "qemu/module.h"
 #include "qemu/timer.h"
 #include "exec/address-spaces.h"
@@ -116,11 +115,10 @@ static const MemoryRegionOps superio_ops = {
     },
 };
 
-static void vt82c686b_reset(void * opaque)
+static void vt82c686b_isa_reset(DeviceState *dev)
 {
-    PCIDevice *d = opaque;
-    uint8_t *pci_conf = d->config;
-    VT82C686BState *vt82c = VT82C686B_DEVICE(d);
+    VT82C686BState *vt82c = VT82C686B_DEVICE(dev);
+    uint8_t *pci_conf = vt82c->dev.config;
 
     pci_set_long(pci_conf + PCI_CAPABILITY_LIST, 0x000000c0);
     pci_set_word(pci_conf + PCI_COMMAND, PCI_COMMAND_IO | PCI_COMMAND_MEMORY |
@@ -476,8 +474,6 @@ static void vt82c686b_realize(PCIDevice *d, Error **errp)
      * But we do not emulate a floppy, so just set it here. */
     memory_region_add_subregion(isa_bus->address_space_io, 0x3f0,
                                 &vt82c->superio);
-
-    qemu_register_reset(vt82c686b_reset, d);
 }
 
 ISABus *vt82c686b_isa_init(PCIBus *bus, int devfn)
@@ -501,6 +497,7 @@ static void via_class_init(ObjectClass *klass, void *data)
     k->device_id = PCI_DEVICE_ID_VIA_ISA_BRIDGE;
     k->class_id = PCI_CLASS_BRIDGE_ISA;
     k->revision = 0x40;
+    dc->reset = vt82c686b_isa_reset;
     dc->desc = "ISA bridge";
     dc->vmsd = &vmstate_via;
     /*
diff --git a/hw/mem/memory-device.c b/hw/mem/memory-device.c
index 53953fdc3a..aef148c1d7 100644
--- a/hw/mem/memory-device.c
+++ b/hw/mem/memory-device.c
@@ -179,13 +179,14 @@ static uint64_t memory_device_get_free_addr(MachineState *ms,
                 range_make_empty(&new);
                 break;
             }
+        } else if (range_lob(&tmp) > range_upb(&new)) {
+            break;
         }
     }
 
     if (!range_contains_range(&as, &new)) {
         error_setg(errp, "could not find position in guest address space for "
                    "memory device - memory fragmented due to alignments");
-        goto out;
     }
 out:
     g_slist_free(list);
diff --git a/hw/misc/vmcoreinfo.c b/hw/misc/vmcoreinfo.c
index 326a3ce8f4..a9d718fc23 100644
--- a/hw/misc/vmcoreinfo.c
+++ b/hw/misc/vmcoreinfo.c
@@ -61,6 +61,10 @@ static void vmcoreinfo_realize(DeviceState *dev, Error **errp)
                              NULL, fw_cfg_vmci_write, s,
                              &s->vmcoreinfo, sizeof(s->vmcoreinfo), false);
 
+    /*
+     * This device requires to register a global reset because it is
+     * not plugged to a bus (which, as its QOM parent, would reset it).
+     */
     qemu_register_reset(vmcoreinfo_reset, dev);
     vmcoreinfo_state = s;
 }
diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c
index 514a17ae74..4eb97d3a9b 100644
--- a/hw/ppc/spapr.c
+++ b/hw/ppc/spapr.c
@@ -346,14 +346,6 @@ static int spapr_populate_memory(SpaprMachineState *spapr, void *fdt)
     hwaddr mem_start, node_size;
     int i, nb_nodes = machine->numa_state->num_nodes;
     NodeInfo *nodes = machine->numa_state->nodes;
-    NodeInfo ramnode;
-
-    /* No NUMA nodes, assume there is just one node with whole RAM */
-    if (!nb_nodes) {
-        nb_nodes = 1;
-        ramnode.node_mem = machine->ram_size;
-        nodes = &ramnode;
-    }
 
     for (i = 0, mem_start = 0; i < nb_nodes; ++i) {
         if (!nodes[i].node_mem) {
@@ -4430,6 +4422,7 @@ static void spapr_machine_class_init(ObjectClass *oc, void *data)
      */
     mc->numa_mem_align_shift = 28;
     mc->numa_mem_supported = true;
+    mc->auto_enable_numa = true;
 
     smc->default_caps.caps[SPAPR_CAP_HTM] = SPAPR_CAP_OFF;
     smc->default_caps.caps[SPAPR_CAP_VSX] = SPAPR_CAP_ON;