Merge remote-tracking branch 'remotes/kraxel/tags/microvm-20200917-pull-request' into staging

microvm: add acpi support

# gpg: Signature made Thu 17 Sep 2020 14:53:06 BST
# gpg:                using RSA key 4CB6D8EED3E87138
# gpg: Good signature from "Gerd Hoffmann (work) <kraxel@redhat.com>" [full]
# gpg:                 aka "Gerd Hoffmann <gerd@kraxel.org>" [full]
# gpg:                 aka "Gerd Hoffmann (private) <kraxel@gmail.com>" [full]
# Primary key fingerprint: A032 8CFF B93A 17A7 9901  FE7D 4CB6 D8EE D3E8 7138

* remotes/kraxel/tags/microvm-20200917-pull-request: (21 commits)
  microvm: enable ramfb
  tests/acpi: update expected data files for microvm
  tests/acpi: add microvm test
  tests/acpi: allow override blkdev
  tests/acpi: allow microvm test data updates.
  microvm: wire up hotplug
  x86: move cpu hotplug from pc to x86
  x86: move acpi_dev from pc/microvm
  x86: constify x86_machine_is_*_enabled
  microvm/acpi: disable virtio-mmio cmdline hack
  microvm/acpi: use seabios with acpi=on
  microvm/acpi: use GSI 16-23 for virtio
  microvm/acpi: add acpi_dsdt_add_virtio() for x86
  microvm/acpi: add minimal acpi support
  microvm: make virtio irq base runtime configurable
  acpi: move acpi_dsdt_add_power_button() to ged
  acpi: ged: add x86 device variant.
  acpi: ged: add control regs
  seabios: add bios-microvm.bin binary
  seabios: add microvm config, update build rules
  ...

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

4 files changed, 39 insertions, 4 deletions

diff --git a/include/hw/acpi/generic_event_device.h b/include/hw/acpi/generic_event_device.h
index 1be05a3..ac921e9 100644
--- a/include/hw/acpi/generic_event_device.h
+++ b/include/hw/acpi/generic_event_device.h
@@ -71,9 +71,24 @@ typedef struct AcpiGedState AcpiGedState;
 DECLARE_INSTANCE_CHECKER(AcpiGedState, ACPI_GED,
                          TYPE_ACPI_GED)
 
+#define TYPE_ACPI_GED_X86 "acpi-ged-x86"
+#define ACPI_GED_X86(obj) \
+    OBJECT_CHECK(AcpiGedX86State, (obj), TYPE_ACPI_GED_X86)
+
 #define ACPI_GED_EVT_SEL_OFFSET    0x0
 #define ACPI_GED_EVT_SEL_LEN       0x4
 
+#define ACPI_GED_REG_SLEEP_CTL     0x00
+#define ACPI_GED_REG_SLEEP_STS     0x01
+#define ACPI_GED_REG_RESET         0x02
+#define ACPI_GED_REG_COUNT         0x03
+
+/* ACPI_GED_REG_RESET value for reset*/
+#define ACPI_GED_RESET_VALUE       0x42
+
+/* ACPI_GED_REG_SLEEP_CTL.SLP_TYP value for S5 (aka poweroff) */
+#define ACPI_GED_SLP_TYP_S5        0x05
+
 #define GED_DEVICE      "GED"
 #define AML_GED_EVT_REG "EREG"
 #define AML_GED_EVT_SEL "ESEL"
@@ -89,6 +104,7 @@ DECLARE_INSTANCE_CHECKER(AcpiGedState, ACPI_GED,
 
 typedef struct GEDState {
     MemoryRegion evt;
+    MemoryRegion regs;
     uint32_t     sel;
 } GEDState;
 
@@ -104,5 +120,6 @@ struct AcpiGedState {
 
 void build_ged_aml(Aml *table, const char* name, HotplugHandler *hotplug_dev,
                    uint32_t ged_irq, AmlRegionSpace rs, hwaddr ged_base);
+void acpi_dsdt_add_power_button(Aml *scope);
 
 #endif
diff --git a/include/hw/i386/microvm.h b/include/hw/i386/microvm.h
index 36dbcdd..be2d95a 100644
--- a/include/hw/i386/microvm.h
+++ b/include/hw/i386/microvm.h
@@ -24,14 +24,19 @@
 
 #include "hw/boards.h"
 #include "hw/i386/x86.h"
+#include "hw/acpi/acpi_dev_interface.h"
 #include "qom/object.h"
 
 /* Platform virtio definitions */
 #define VIRTIO_MMIO_BASE      0xfeb00000
-#define VIRTIO_IRQ_BASE       5
 #define VIRTIO_NUM_TRANSPORTS 8
 #define VIRTIO_CMDLINE_MAXLEN 64
 
+#define GED_MMIO_BASE         0xfea00000
+#define GED_MMIO_BASE_MEMHP   (GED_MMIO_BASE + 0x100)
+#define GED_MMIO_BASE_REGS    (GED_MMIO_BASE + 0x200)
+#define GED_MMIO_IRQ          9
+
 /* Machine type options */
 #define MICROVM_MACHINE_PIT                 "pit"
 #define MICROVM_MACHINE_PIC                 "pic"
@@ -59,7 +64,10 @@ struct MicrovmMachineState {
     bool auto_kernel_cmdline;
 
     /* Machine state */
+    uint32_t virtio_irq_base;
     bool kernel_cmdline_fixed;
+    Notifier machine_done;
+    Notifier powerdown_req;
 };
 typedef struct MicrovmMachineState MicrovmMachineState;
 
diff --git a/include/hw/i386/pc.h b/include/hw/i386/pc.h
index 421a77a..c14e14d 100644
--- a/include/hw/i386/pc.h
+++ b/include/hw/i386/pc.h
@@ -30,7 +30,6 @@ struct PCMachineState {
     Notifier machine_done;
 
     /* Pointers to devices and objects: */
-    HotplugHandler *acpi_dev;
     PCIBus *bus;
     I2CBus *smbus;
     PFlashCFI01 *flash[2];
diff --git a/include/hw/i386/x86.h b/include/hw/i386/x86.h
index 1a188a7..0eef9fb 100644
--- a/include/hw/i386/x86.h
+++ b/include/hw/i386/x86.h
@@ -52,6 +52,7 @@ struct X86MachineState {
     FWCfgState *fw_cfg;
     qemu_irq *gsi;
     GMappedFile *initrd_mapped_file;
+    HotplugHandler *acpi_dev;
 
     /* RAM information (sizes, addresses, configuration): */
     ram_addr_t below_4g_mem_size, above_4g_mem_size;
@@ -91,6 +92,16 @@ CpuInstanceProperties x86_cpu_index_to_props(MachineState *ms,
                                              unsigned cpu_index);
 int64_t x86_get_default_cpu_node_id(const MachineState *ms, int idx);
 const CPUArchIdList *x86_possible_cpu_arch_ids(MachineState *ms);
+CPUArchId *x86_find_cpu_slot(MachineState *ms, uint32_t id, int *idx);
+void x86_rtc_set_cpus_count(ISADevice *rtc, uint16_t cpus_count);
+void x86_cpu_pre_plug(HotplugHandler *hotplug_dev,
+                      DeviceState *dev, Error **errp);
+void x86_cpu_plug(HotplugHandler *hotplug_dev,
+                  DeviceState *dev, Error **errp);
+void x86_cpu_unplug_request_cb(HotplugHandler *hotplug_dev,
+                               DeviceState *dev, Error **errp);
+void x86_cpu_unplug_cb(HotplugHandler *hotplug_dev,
+                       DeviceState *dev, Error **errp);
 
 void x86_bios_rom_init(MemoryRegion *rom_memory, bool isapc_ram_fw);
 
@@ -100,8 +111,8 @@ void x86_load_linux(X86MachineState *x86ms,
                     bool pvh_enabled,
                     bool linuxboot_dma_enabled);
 
-bool x86_machine_is_smm_enabled(X86MachineState *x86ms);
-bool x86_machine_is_acpi_enabled(X86MachineState *x86ms);
+bool x86_machine_is_smm_enabled(const X86MachineState *x86ms);
+bool x86_machine_is_acpi_enabled(const X86MachineState *x86ms);
 
 /* Global System Interrupts */