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authorfishsoupisgood <github@madingley.org>2019-04-29 01:17:54 +0100
committerfishsoupisgood <github@madingley.org>2019-05-27 03:43:43 +0100
commit3f2546b2ef55b661fd8dd69682b38992225e86f6 (patch)
tree65ca85f13617aee1dce474596800950f266a456c /include/sysemu/numa.h
downloadqemu-master.tar.gz
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Initial import of qemu-2.4.1HEADmaster
Diffstat (limited to 'include/sysemu/numa.h')
-rw-r--r--include/sysemu/numa.h36
1 files changed, 36 insertions, 0 deletions
diff --git a/include/sysemu/numa.h b/include/sysemu/numa.h
new file mode 100644
index 00000000..a6392bc5
--- /dev/null
+++ b/include/sysemu/numa.h
@@ -0,0 +1,36 @@
+#ifndef SYSEMU_NUMA_H
+#define SYSEMU_NUMA_H
+
+#include <stdint.h>
+#include "qemu/bitmap.h"
+#include "qemu/option.h"
+#include "sysemu/sysemu.h"
+#include "sysemu/hostmem.h"
+#include "hw/boards.h"
+
+extern int nb_numa_nodes; /* Number of NUMA nodes */
+
+struct numa_addr_range {
+ ram_addr_t mem_start;
+ ram_addr_t mem_end;
+ QLIST_ENTRY(numa_addr_range) entry;
+};
+
+typedef struct node_info {
+ uint64_t node_mem;
+ DECLARE_BITMAP(node_cpu, MAX_CPUMASK_BITS);
+ struct HostMemoryBackend *node_memdev;
+ bool present;
+ QLIST_HEAD(, numa_addr_range) addr; /* List to store address ranges */
+} NodeInfo;
+
+extern NodeInfo numa_info[MAX_NODES];
+void parse_numa_opts(MachineClass *mc);
+void numa_post_machine_init(void);
+void query_numa_node_mem(uint64_t node_mem[]);
+extern QemuOptsList qemu_numa_opts;
+void numa_set_mem_node_id(ram_addr_t addr, uint64_t size, uint32_t node);
+void numa_unset_mem_node_id(ram_addr_t addr, uint64_t size, uint32_t node);
+uint32_t numa_get_node(ram_addr_t addr, Error **errp);
+
+#endif