diff options
author | Julia Suvorova <jusual@redhat.com> | 2021-07-13 02:42:00 +0200 |
---|---|---|
committer | Michael S. Tsirkin <mst@redhat.com> | 2021-07-16 04:33:34 -0400 |
commit | caf108bc587908f7608729f39639dccdfa53010b (patch) | |
tree | 12c1c6310c62a2a59d1d2e86d0a1162d5342e618 /hw/acpi | |
parent | bd306cfeeececee73ff2cdb3de1229ece72f3b28 (diff) |
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.c | 6 | ||||
-rw-r--r-- | hw/acpi/piix4.c | 4 |
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; |