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[Qemu-devel] [PATCH V8 15/17] hw/pxb: add numa_node parameter
From: |
Marcel Apfelbaum |
Subject: |
[Qemu-devel] [PATCH V8 15/17] hw/pxb: add numa_node parameter |
Date: |
Tue, 2 Jun 2015 14:23:10 +0300 |
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 <address@hidden>
---
hw/i386/acpi-build.c | 6 ++++++
hw/pci-bridge/pci_expander_bridge.c | 17 +++++++++++++++++
2 files changed, 23 insertions(+)
diff --git a/hw/i386/acpi-build.c b/hw/i386/acpi-build.c
index 1290983..45c36a8 100644
--- a/hw/i386/acpi-build.c
+++ b/hw/i386/acpi-build.c
@@ -902,6 +902,7 @@ build_ssdt(GArray *table_data, GArray *linker,
if (bus) {
QLIST_FOREACH(bus, &bus->child, sibling) {
uint8_t bus_num = pci_bus_num(bus);
+ uint8_t numa_node = pci_bus_numa_node(bus);
/* look only for expander root buses */
if (!pci_bus_is_root(bus)) {
@@ -918,6 +919,11 @@ build_ssdt(GArray *table_data, GArray *linker,
aml_name_decl("_UID", aml_string("PC%.02X", bus_num)));
aml_append(dev, aml_name_decl("_HID", aml_string("PNP0A03")));
aml_append(dev, aml_name_decl("_BBN", aml_int(bus_num)));
+
+ 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_HOST_BRIDGE(BUS(bus)->parent),
io_ranges, mem_ranges);
diff --git a/hw/pci-bridge/pci_expander_bridge.c
b/hw/pci-bridge/pci_expander_bridge.c
index 8660a00..ec2bb45 100644
--- a/hw/pci-bridge/pci_expander_bridge.c
+++ b/hw/pci-bridge/pci_expander_bridge.c
@@ -17,6 +17,7 @@
#include "hw/i386/pc.h"
#include "qemu/range.h"
#include "qemu/error-report.h"
+#include "sysemu/numa.h"
#define TYPE_PXB_BUS "pxb-bus"
#define PXB_BUS(obj) OBJECT_CHECK(PXBBus, (obj), TYPE_PXB_BUS)
@@ -38,6 +39,7 @@ typedef struct PXBDev {
/*< public >*/
uint8_t bus_nr;
+ uint16_t numa_node;
} PXBDev;
#define TYPE_PXB_HOST "pxb-host"
@@ -54,12 +56,20 @@ 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 = {
@@ -145,6 +155,12 @@ static int pxb_dev_initfn(PCIDevice *dev)
PCIBus *bus;
const char *dev_name = NULL;
+ 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;
}
@@ -180,6 +196,7 @@ 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
- [Qemu-devel] [PATCH V8 05/17] hw/pci: extend PCI config access to support devices behind PXB, (continued)
- [Qemu-devel] [PATCH V8 05/17] hw/pci: extend PCI config access to support devices behind PXB, Marcel Apfelbaum, 2015/06/02
- [Qemu-devel] [PATCH V8 06/17] hw/acpi: add support for i440fx 'snooping' root busses, Marcel Apfelbaum, 2015/06/02
- [Qemu-devel] [PATCH V8 07/17] hw/apci: add _PRT method for extra PCI root busses, Marcel Apfelbaum, 2015/06/02
- [Qemu-devel] [PATCH V8 08/17] hw/acpi: add _CRS method for extra root busses, Marcel Apfelbaum, 2015/06/02
- [Qemu-devel] [PATCH V8 10/17] hw/pci: removed 'rootbus nr is 0' assumption from qmp_pci_query, Marcel Apfelbaum, 2015/06/02
- [Qemu-devel] [PATCH V8 09/17] hw/acpi: remove from root bus 0 the crs resources used by other buses., Marcel Apfelbaum, 2015/06/02
- [Qemu-devel] [PATCH V8 12/17] hw/pci: inform bios if the system has extra pci root buses, Marcel Apfelbaum, 2015/06/02
- [Qemu-devel] [PATCH V8 13/17] hw/pxb: add map_irq func, Marcel Apfelbaum, 2015/06/02
- [Qemu-devel] [PATCH V8 11/17] hw/pci: introduce PCI Expander Bridge (PXB), Marcel Apfelbaum, 2015/06/02
- [Qemu-devel] [PATCH V8 14/17] hw/pci: add support for NUMA nodes, Marcel Apfelbaum, 2015/06/02
- [Qemu-devel] [PATCH V8 15/17] hw/pxb: add numa_node parameter,
Marcel Apfelbaum <=
- [Qemu-devel] [PATCH V8 16/17] apci: fix PXB behaviour if used with unsupported BIOS, Marcel Apfelbaum, 2015/06/02
- [Qemu-devel] [PATCH V8 17/17] docs: Add PXB documentation, Marcel Apfelbaum, 2015/06/02
- Re: [Qemu-devel] [PATCH V8 00/17] hw/pc: implement multiple primary busses for pc machines, Laszlo Ersek, 2015/06/03