Merge tag 'pull-loongarch-20230303' of https://gitlab.com/gaosong/qemu into staging

pull-loongarch-20230303

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* tag 'pull-loongarch-20230303' of https://gitlab.com/gaosong/qemu:
  hw/loongarch/virt: add system_powerdown hmp command support
  target/loongarch: Implement Chip Configuraiton Version Register(0x0000)
  docs/system/loongarch: update loongson3.rst and rename it to virt.rst
  loongarch: Add smbios command line option.
  hw/loongarch/virt: rename PCH_PIC_IRQ_OFFSET with VIRT_GSI_BASE

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

2 files changed, 18 insertions, 5 deletions

diff --git a/hw/loongarch/acpi-build.c b/hw/loongarch/acpi-build.c
index f551296..6cb2472 100644
--- a/hw/loongarch/acpi-build.c
+++ b/hw/loongarch/acpi-build.c
@@ -260,6 +260,7 @@ build_la_ged_aml(Aml *dsdt, MachineState *machine)
                                  AML_SYSTEM_MEMORY,
                                  VIRT_GED_MEM_ADDR);
     }
+    acpi_dsdt_add_power_button(dsdt);
 }
 
 static void build_pci_device_aml(Aml *scope, LoongArchMachineState *lams)
@@ -271,7 +272,7 @@ static void build_pci_device_aml(Aml *scope, LoongArchMachineState *lams)
         .pio.size    = VIRT_PCI_IO_SIZE,
         .ecam.base   = VIRT_PCI_CFG_BASE,
         .ecam.size   = VIRT_PCI_CFG_SIZE,
-        .irq         = PCH_PIC_IRQ_OFFSET + VIRT_DEVICE_IRQS,
+        .irq         = VIRT_GSI_BASE + VIRT_DEVICE_IRQS,
         .bus         = lams->pci_bus,
     };
 
diff --git a/hw/loongarch/virt.c b/hw/loongarch/virt.c
index 66be925..38ef7cc 100644
--- a/hw/loongarch/virt.c
+++ b/hw/loongarch/virt.c
@@ -316,6 +316,14 @@ static void virt_machine_done(Notifier *notifier, void *data)
     loongarch_acpi_setup(lams);
 }
 
+static void virt_powerdown_req(Notifier *notifier, void *opaque)
+{
+    LoongArchMachineState *s = container_of(notifier,
+                                   LoongArchMachineState, powerdown_notifier);
+
+    acpi_send_event(s->acpi_ged, ACPI_POWER_DOWN_STATUS);
+}
+
 struct memmap_entry {
     uint64_t address;
     uint64_t length;
@@ -432,7 +440,7 @@ static DeviceState *create_acpi_ged(DeviceState *pch_pic, LoongArchMachineState
     sysbus_mmio_map(SYS_BUS_DEVICE(dev), 2, VIRT_GED_REG_ADDR);
 
     sysbus_connect_irq(SYS_BUS_DEVICE(dev), 0,
-                       qdev_get_gpio_in(pch_pic, VIRT_SCI_IRQ - PCH_PIC_IRQ_OFFSET));
+                       qdev_get_gpio_in(pch_pic, VIRT_SCI_IRQ - VIRT_GSI_BASE));
     sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal);
     return dev;
 }
@@ -452,7 +460,7 @@ static DeviceState *create_platform_bus(DeviceState *pch_pic)
 
     sysbus = SYS_BUS_DEVICE(dev);
     for (i = 0; i < VIRT_PLATFORM_BUS_NUM_IRQS; i++) {
-        irq = VIRT_PLATFORM_BUS_IRQ - PCH_PIC_IRQ_OFFSET + i;
+        irq = VIRT_PLATFORM_BUS_IRQ - VIRT_GSI_BASE + i;
         sysbus_connect_irq(sysbus, i, qdev_get_gpio_in(pch_pic, irq));
     }
 
@@ -509,7 +517,7 @@ static void loongarch_devices_init(DeviceState *pch_pic, LoongArchMachineState *
 
     serial_mm_init(get_system_memory(), VIRT_UART_BASE, 0,
                    qdev_get_gpio_in(pch_pic,
-                                    VIRT_UART_IRQ - PCH_PIC_IRQ_OFFSET),
+                                    VIRT_UART_IRQ - VIRT_GSI_BASE),
                    115200, serial_hd(0), DEVICE_LITTLE_ENDIAN);
     fdt_add_uart_node(lams);
 
@@ -531,7 +539,7 @@ static void loongarch_devices_init(DeviceState *pch_pic, LoongArchMachineState *
     create_unimplemented_device("pci-dma-cfg", 0x1001041c, 0x4);
     sysbus_create_simple("ls7a_rtc", VIRT_RTC_REG_BASE,
                          qdev_get_gpio_in(pch_pic,
-                         VIRT_RTC_IRQ - PCH_PIC_IRQ_OFFSET));
+                         VIRT_RTC_IRQ - VIRT_GSI_BASE));
     fdt_add_rtc_node(lams);
 
     pm_mem = g_new(MemoryRegion, 1);
@@ -859,6 +867,10 @@ static void loongarch_init(MachineState *machine)
                                    VIRT_PLATFORM_BUS_IRQ);
     lams->machine_done.notify = virt_machine_done;
     qemu_add_machine_init_done_notifier(&lams->machine_done);
+     /* connect powerdown request */
+    lams->powerdown_notifier.notify = virt_powerdown_req;
+    qemu_register_powerdown_notifier(&lams->powerdown_notifier);
+
     fdt_add_pcie_node(lams);
     /*
      * Since lowmem region starts from 0 and Linux kernel legacy start address