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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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7 changed files with 22 additions and 14 deletions
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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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