diff options
Diffstat (limited to 'qemu/include/sysemu/numa.h')
-rw-r--r-- | qemu/include/sysemu/numa.h | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/qemu/include/sysemu/numa.h b/qemu/include/sysemu/numa.h new file mode 100644 index 000000000..a6392bc50 --- /dev/null +++ b/qemu/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 |