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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
parentbd306cfeeececee73ff2cdb3de1229ece72f3b28 (diff)
downloadfocaccia-qemu-caf108bc587908f7608729f39639dccdfa53010b.tar.gz
focaccia-qemu-caf108bc587908f7608729f39639dccdfa53010b.zip
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')
-rw-r--r--hw/acpi/pcihp.c6
-rw-r--r--hw/acpi/piix4.c4
2 files changed, 6 insertions, 4 deletions
diff --git a/hw/acpi/pcihp.c b/hw/acpi/pcihp.c
index 4999277d57..d98a284b7a 100644
--- a/hw/acpi/pcihp.c
+++ b/hw/acpi/pcihp.c
@@ -37,7 +37,6 @@
 #include "qom/qom-qobject.h"
 #include "trace.h"
 
-#define ACPI_PCIHP_ADDR 0xae00
 #define ACPI_PCIHP_SIZE 0x0018
 #define PCI_UP_BASE 0x0000
 #define PCI_DOWN_BASE 0x0004
@@ -488,10 +487,11 @@ static const MemoryRegionOps acpi_pcihp_io_ops = {
 };
 
 void acpi_pcihp_init(Object *owner, AcpiPciHpState *s, PCIBus *root_bus,
-                     MemoryRegion *address_space_io, bool bridges_enabled)
+                     MemoryRegion *address_space_io, bool bridges_enabled,
+                     uint16_t io_base)
 {
     s->io_len = ACPI_PCIHP_SIZE;
-    s->io_base = ACPI_PCIHP_ADDR;
+    s->io_base = io_base;
 
     s->root = root_bus;
     s->legacy_piix = !bridges_enabled;
diff --git a/hw/acpi/piix4.c b/hw/acpi/piix4.c
index 0bd23d74e2..48f7a1edbc 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;