acpi: add acpi_send_gpe_event() to rise sci for hotplug
Add a new API named acpi_send_gpe_event() to send hotplug SCI. This API can be used by pci, cpu and memory hotplug. This patch is rebased on master. Signed-off-by: Zhu Guihua <zhugh.fnst@cn.fujitsu.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Reviewed-by: Igor Mammedov <imammedo@redhat.com>
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			@ -666,6 +666,13 @@ uint32_t acpi_gpe_ioport_readb(ACPIREGS *ar, uint32_t addr)
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    return val;
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}
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void acpi_send_gpe_event(ACPIREGS *ar, qemu_irq irq,
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                         AcpiGPEStatusBits status)
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{
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    ar->gpe.sts[0] |= status;
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    acpi_update_sci(ar, irq);
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}
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void acpi_update_sci(ACPIREGS *regs, qemu_irq irq)
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{
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    int sci_level, pm1a_sts;
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			@ -59,8 +59,7 @@ void acpi_cpu_plug_cb(ACPIREGS *ar, qemu_irq irq,
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        return;
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    }
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    ar->gpe.sts[0] |= ACPI_CPU_HOTPLUG_STATUS;
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    acpi_update_sci(ar, irq);
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    acpi_send_gpe_event(ar, irq, ACPI_CPU_HOTPLUG_STATUS);
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}
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void acpi_cpu_hotplug_init(MemoryRegion *parent, Object *owner,
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			@ -241,8 +241,7 @@ void acpi_memory_plug_cb(ACPIREGS *ar, qemu_irq irq, MemHotplugState *mem_st,
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    mdev->is_inserting = true;
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    /* do ACPI magic */
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    ar->gpe.sts[0] |= ACPI_MEMORY_HOTPLUG_STATUS;
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    acpi_update_sci(ar, irq);
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    acpi_send_gpe_event(ar, irq, ACPI_MEMORY_HOTPLUG_STATUS);
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    return;
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}
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			@ -260,8 +259,7 @@ void acpi_memory_unplug_request_cb(ACPIREGS *ar, qemu_irq irq,
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    mdev->is_removing = true;
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    /* Do ACPI magic */
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    ar->gpe.sts[0] |= ACPI_MEMORY_HOTPLUG_STATUS;
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    acpi_update_sci(ar, irq);
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    acpi_send_gpe_event(ar, irq, ACPI_MEMORY_HOTPLUG_STATUS);
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}
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void acpi_memory_unplug_cb(MemHotplugState *mem_st,
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			@ -45,7 +45,6 @@
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# define ACPI_PCIHP_DPRINTF(format, ...)     do { } while (0)
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#endif
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#define ACPI_PCI_HOTPLUG_STATUS 2
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#define ACPI_PCIHP_ADDR 0xae00
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#define ACPI_PCIHP_SIZE 0x0014
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#define ACPI_PCIHP_LEGACY_SIZE 0x000f
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			@ -202,8 +201,7 @@ void acpi_pcihp_device_plug_cb(ACPIREGS *ar, qemu_irq irq, AcpiPciHpState *s,
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    s->acpi_pcihp_pci_status[bsel].up |= (1U << slot);
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    ar->gpe.sts[0] |= ACPI_PCI_HOTPLUG_STATUS;
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    acpi_update_sci(ar, irq);
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    acpi_send_gpe_event(ar, irq, ACPI_PCI_HOTPLUG_STATUS);
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}
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void acpi_pcihp_device_unplug_cb(ACPIREGS *ar, qemu_irq irq, AcpiPciHpState *s,
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			@ -220,8 +218,7 @@ void acpi_pcihp_device_unplug_cb(ACPIREGS *ar, qemu_irq irq, AcpiPciHpState *s,
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    s->acpi_pcihp_pci_status[bsel].down |= (1U << slot);
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    ar->gpe.sts[0] |= ACPI_PCI_HOTPLUG_STATUS;
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    acpi_update_sci(ar, irq);
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    acpi_send_gpe_event(ar, irq, ACPI_PCI_HOTPLUG_STATUS);
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}
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static uint64_t pci_read(void *opaque, hwaddr addr, unsigned int size)
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			@ -91,6 +91,13 @@
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/* PM2_CNT */
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#define ACPI_BITMASK_ARB_DISABLE                0x0001
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/* These values are part of guest ABI, and can not be changed */
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typedef enum {
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    ACPI_PCI_HOTPLUG_STATUS = 2,
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    ACPI_CPU_HOTPLUG_STATUS = 4,
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    ACPI_MEMORY_HOTPLUG_STATUS = 8,
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} AcpiGPEStatusBits;
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/* structs */
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typedef struct ACPIPMTimer ACPIPMTimer;
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typedef struct ACPIPM1EVT ACPIPM1EVT;
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			@ -172,6 +179,9 @@ void acpi_gpe_reset(ACPIREGS *ar);
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void acpi_gpe_ioport_writeb(ACPIREGS *ar, uint32_t addr, uint32_t val);
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uint32_t acpi_gpe_ioport_readb(ACPIREGS *ar, uint32_t addr);
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void acpi_send_gpe_event(ACPIREGS *ar, qemu_irq irq,
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                         AcpiGPEStatusBits status);
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void acpi_update_sci(ACPIREGS *acpi_regs, qemu_irq irq);
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/* acpi.c */
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			@ -5,8 +5,6 @@
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#include "hw/acpi/acpi.h"
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#include "migration/vmstate.h"
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#define ACPI_MEMORY_HOTPLUG_STATUS 8
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/**
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 * MemStatus:
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 * @is_removing: the memory device in slot has been requested to be ejected.
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			@ -16,7 +16,6 @@
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 * ONLY DEFINEs are permited in this file since it's shared
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 * between C and ASL code.
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 */
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#define ACPI_CPU_HOTPLUG_STATUS 4
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/* Limit for CPU arch IDs for CPU hotplug. All hotpluggable CPUs should
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 * have CPUClass.get_arch_id() < ACPI_CPU_HOTPLUG_ID_LIMIT.
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