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authorJulia Suvorova <jusual@redhat.com>2021-07-13 02:42:00 +0200
committerMichael S. Tsirkin <mst@redhat.com>2021-07-16 04:33:34 -0400
commitcaf108bc587908f7608729f39639dccdfa53010b (patch)
tree12c1c6310c62a2a59d1d2e86d0a1162d5342e618 /hw/acpi/piix4.c
parentbd306cfeeececee73ff2cdb3de1229ece72f3b28 (diff)
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hw/i386/acpi-build: Add ACPI PCI hot-plug methods to Q35
Implement notifications and gpe to support q35 ACPI PCI hot-plug. Use 0xcc4 - 0xcd7 range for 'acpi-pci-hotplug' io ports. Signed-off-by: Julia Suvorova <jusual@redhat.com> Reviewed-by: Igor Mammedov <imammedo@redhat.com> Reviewed-by: Marcel Apfelbaum <marcel.apfelbaum@gmail.com> Message-Id: <20210713004205.775386-2-jusual@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Diffstat (limited to 'hw/acpi/piix4.c')
-rw-r--r--hw/acpi/piix4.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/hw/acpi/piix4.c b/hw/acpi/piix4.c
index 0bd23d7..48f7a1e 100644
--- a/hw/acpi/piix4.c
+++ b/hw/acpi/piix4.c
@@ -49,6 +49,8 @@
#define GPE_BASE 0xafe0
#define GPE_LEN 4
+#define ACPI_PCIHP_ADDR_PIIX4 0xae00
+
struct pci_status {
uint32_t up; /* deprecated, maintained for migration compatibility */
uint32_t down;
@@ -607,7 +609,7 @@ static void piix4_acpi_system_hot_add_init(MemoryRegion *parent,
if (s->use_acpi_hotplug_bridge || s->use_acpi_root_pci_hotplug) {
acpi_pcihp_init(OBJECT(s), &s->acpi_pci_hotplug, bus, parent,
- s->use_acpi_hotplug_bridge);
+ s->use_acpi_hotplug_bridge, ACPI_PCIHP_ADDR_PIIX4);
}
s->cpu_hotplug_legacy = true;