[SeaBIOS] [Qemu-devel] [PATCH v5 for-2.3 25/28] hw/pxb: add numa_node parameter
Marcel Apfelbaum
marcel at redhat.com
Tue Mar 10 16:32:11 CET 2015
The pxb can be attach to and existing numa node by specifying
numa_node option that equals the desired numa nodeid.
Signed-off-by: Marcel Apfelbaum <marcel at redhat.com>
---
hw/i386/acpi-build.c | 12 ++++++++++++
hw/pci-bridge/pci_expander_bridge.c | 17 +++++++++++++++++
2 files changed, 29 insertions(+)
diff --git a/hw/i386/acpi-build.c b/hw/i386/acpi-build.c
index b78a73a..ff18a07 100644
--- a/hw/i386/acpi-build.c
+++ b/hw/i386/acpi-build.c
@@ -899,6 +899,7 @@ build_ssdt(GArray *table_data, GArray *linker,
for (info = info_list; info; info = info->next) {
PciInfo *bus_info = info->value;
+ PCIHostState *host;
if (bus_info->bus == 0) {
continue;
@@ -915,6 +916,17 @@ build_ssdt(GArray *table_data, GArray *linker,
aml_append(dev, aml_name_decl("_HID", aml_string("PNP0A03")));
aml_append(dev,
aml_name_decl("_BBN", aml_int((uint8_t)bus_info->bus)));
+
+ HOST_BRIDGE_FOREACH(host) {
+ if (pci_bus_num(host->bus) == bus_info->bus) {
+ int numa_node = pci_bus_numa_node(host->bus);
+ if (numa_node != NUMA_NODE_UNASSIGNED) {
+ aml_append(dev,
+ aml_name_decl("_PXM", aml_int(numa_node)));
+ }
+ }
+ }
+
aml_append(dev, build_prt());
crs = build_crs(pci, bus_info, &io_ranges, &mem_ranges);
aml_append(dev, aml_name_decl("_CRS", crs));
diff --git a/hw/pci-bridge/pci_expander_bridge.c b/hw/pci-bridge/pci_expander_bridge.c
index 87515c1..9329aab 100644
--- a/hw/pci-bridge/pci_expander_bridge.c
+++ b/hw/pci-bridge/pci_expander_bridge.c
@@ -16,6 +16,7 @@
#include "hw/pci/pci_bus.h"
#include "qemu/range.h"
#include "qemu/error-report.h"
+#include "sysemu/sysemu.h"
#define TYPE_PXB_BUS "pxb-bus"
#define PXB_BUS(obj) OBJECT_CHECK(PXBBus, (obj), TYPE_PXB_BUS)
@@ -37,6 +38,7 @@ typedef struct PXBDev {
/*< public >*/
uint8_t bus_nr;
+ uint16_t numa_node;
} PXBDev;
#define TYPE_PXB_HOST "pxb-host"
@@ -53,12 +55,20 @@ static bool pxb_is_root(PCIBus *bus)
return true; /* by definition */
}
+static uint16_t pxb_bus_numa_node(PCIBus *bus)
+{
+ PXBDev *pxb = PXB_DEV(bus->parent_dev);
+
+ return pxb->numa_node;
+}
+
static void pxb_bus_class_init(ObjectClass *class, void *data)
{
PCIBusClass *pbc = PCI_BUS_CLASS(class);
pbc->bus_num = pxb_bus_num;
pbc->is_root = pxb_is_root;
+ pbc->numa_node = pxb_bus_numa_node;
}
static const TypeInfo pxb_bus_info = {
@@ -126,6 +136,12 @@ static int pxb_dev_initfn(PCIDevice *dev)
}
}
+ if (pxb->numa_node != NUMA_NODE_UNASSIGNED &&
+ pxb->numa_node >= nb_numa_nodes) {
+ error_report("Illegal numa node %d.", pxb->numa_node);
+ return -EINVAL;
+ }
+
if (dev->qdev.id && *dev->qdev.id) {
dev_name = dev->qdev.id;
}
@@ -157,6 +173,7 @@ static int pxb_dev_initfn(PCIDevice *dev)
static Property pxb_dev_properties[] = {
/* Note: 0 is not a legal a PXB bus number. */
DEFINE_PROP_UINT8("bus_nr", PXBDev, bus_nr, 0),
+ DEFINE_PROP_UINT16("numa_node", PXBDev, numa_node, NUMA_NODE_UNASSIGNED),
DEFINE_PROP_END_OF_LIST(),
};
--
2.1.0
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