Add the numa_info structure to contain the numa nodes memory, VCPUs information and the future added numa nodes host memory policies.
Signed-off-by: Andre Przywara <andre.przyw...@amd.com> Signed-off-by: Wanlong Gao <gaowanl...@cn.fujitsu.com> --- cpus.c | 2 +- hw/i386/pc.c | 4 ++-- hw/net/eepro100.c | 1 - include/sysemu/sysemu.h | 8 ++++++-- monitor.c | 2 +- vl.c | 24 ++++++++++++------------ 6 files changed, 22 insertions(+), 19 deletions(-) diff --git a/cpus.c b/cpus.c index c8bc8ad..e123d3f 100644 --- a/cpus.c +++ b/cpus.c @@ -1195,7 +1195,7 @@ void set_numa_modes(void) for (env = first_cpu; env != NULL; env = env->next_cpu) { cpu = ENV_GET_CPU(env); for (i = 0; i < nb_numa_nodes; i++) { - if (test_bit(cpu->cpu_index, node_cpumask[i])) { + if (test_bit(cpu->cpu_index, numa_info[i].node_cpu)) { cpu->numa_node = i; } } diff --git a/hw/i386/pc.c b/hw/i386/pc.c index 5e8f143..32d039a 100644 --- a/hw/i386/pc.c +++ b/hw/i386/pc.c @@ -650,14 +650,14 @@ static FWCfgState *bochs_bios_init(void) unsigned int apic_id = x86_cpu_apic_id_from_index(i); assert(apic_id < apic_id_limit); for (j = 0; j < nb_numa_nodes; j++) { - if (test_bit(i, node_cpumask[j])) { + if (test_bit(i, numa_info[j].node_cpu)) { numa_fw_cfg[apic_id + 1] = cpu_to_le64(j); break; } } } for (i = 0; i < nb_numa_nodes; i++) { - numa_fw_cfg[apic_id_limit + 1 + i] = cpu_to_le64(node_mem[i]); + numa_fw_cfg[apic_id_limit + 1 + i] = cpu_to_le64(numa_info[i].node_mem); } fw_cfg_add_bytes(fw_cfg, FW_CFG_NUMA, numa_fw_cfg, (1 + apic_id_limit + nb_numa_nodes) * diff --git a/hw/net/eepro100.c b/hw/net/eepro100.c index dc99ea6..478c688 100644 --- a/hw/net/eepro100.c +++ b/hw/net/eepro100.c @@ -105,7 +105,6 @@ #define PCI_IO_SIZE 64 #define PCI_FLASH_SIZE (128 * KiB) -#define BIT(n) (1 << (n)) #define BITS(n, m) (((0xffffffffU << (31 - n)) >> (31 - n + m)) << m) /* The SCB accepts the following controls for the Tx and Rx units: */ diff --git a/include/sysemu/sysemu.h b/include/sysemu/sysemu.h index 2fb71af..70fd2ed 100644 --- a/include/sysemu/sysemu.h +++ b/include/sysemu/sysemu.h @@ -9,6 +9,7 @@ #include "qapi-types.h" #include "qemu/notify.h" #include "qemu/main-loop.h" +#include "qemu/bitmap.h" /* vl.c */ @@ -130,8 +131,11 @@ extern QEMUClock *rtc_clock; #define MAX_NODES 64 #define MAX_CPUMASK_BITS 255 extern int nb_numa_nodes; -extern uint64_t node_mem[MAX_NODES]; -extern unsigned long *node_cpumask[MAX_NODES]; +struct node_info { + uint64_t node_mem; + DECLARE_BITMAP(node_cpu, MAX_CPUMASK_BITS); +}; +extern struct node_info numa_info[MAX_NODES]; #define MAX_OPTION_ROMS 16 typedef struct QEMUOptionRom { diff --git a/monitor.c b/monitor.c index 70ae8f5..61dbebb 100644 --- a/monitor.c +++ b/monitor.c @@ -1819,7 +1819,7 @@ static void do_info_numa(Monitor *mon, const QDict *qdict) } monitor_printf(mon, "\n"); monitor_printf(mon, "node %d size: %" PRId64 " MB\n", i, - node_mem[i] >> 20); + numa_info[i].node_mem >> 20); } } diff --git a/vl.c b/vl.c index a1e5ce9..357137b 100644 --- a/vl.c +++ b/vl.c @@ -250,8 +250,7 @@ static QTAILQ_HEAD(, FWBootEntry) fw_boot_order = QTAILQ_HEAD_INITIALIZER(fw_boot_order); int nb_numa_nodes; -uint64_t node_mem[MAX_NODES]; -unsigned long *node_cpumask[MAX_NODES]; +struct node_info numa_info[MAX_NODES]; uint8_t qemu_uuid[16]; @@ -1367,7 +1366,7 @@ static void numa_node_parse_cpus(int nodenr, const char *cpus) goto error; } - bitmap_set(node_cpumask[nodenr], value, endvalue-value+1); + bitmap_set(numa_info[nodenr].node_cpu, value, endvalue-value+1); return; error: @@ -1399,7 +1398,7 @@ static int numa_init_func(QemuOpts *opts, void *opaque) } mem_size = qemu_opt_get_size(opts, "mem", 0); - node_mem[nodenr] = mem_size; + numa_info[nodenr].node_mem = mem_size; if (qemu_opt_foreach(opts, numa_add_cpus, &nodenr, 1) < 0) { return -1; @@ -2929,8 +2928,8 @@ int main(int argc, char **argv, char **envp) translation = BIOS_ATA_TRANSLATION_AUTO; for (i = 0; i < MAX_NODES; i++) { - node_mem[i] = 0; - node_cpumask[i] = bitmap_new(MAX_CPUMASK_BITS); + numa_info[i].node_mem = 0; + bitmap_zero(numa_info[i].node_cpu, MAX_CPUMASK_BITS); } nb_numa_nodes = 0; @@ -4213,7 +4212,7 @@ int main(int argc, char **argv, char **envp) * and distribute the available memory equally across all nodes */ for (i = 0; i < nb_numa_nodes; i++) { - if (node_mem[i] != 0) + if (numa_info[i].node_mem != 0) break; } if (i == nb_numa_nodes) { @@ -4223,14 +4222,15 @@ int main(int argc, char **argv, char **envp) * the final node gets the rest. */ for (i = 0; i < nb_numa_nodes - 1; i++) { - node_mem[i] = (ram_size / nb_numa_nodes) & ~((1 << 23UL) - 1); - usedmem += node_mem[i]; + numa_info[i].node_mem = (ram_size / nb_numa_nodes) & + ~((1 << 23UL) - 1); + usedmem += numa_info[i].node_mem; } - node_mem[i] = ram_size - usedmem; + numa_info[i].node_mem = ram_size - usedmem; } for (i = 0; i < nb_numa_nodes; i++) { - if (!bitmap_empty(node_cpumask[i], MAX_CPUMASK_BITS)) { + if (!bitmap_empty(numa_info[i].node_cpu, MAX_CPUMASK_BITS)) { break; } } @@ -4240,7 +4240,7 @@ int main(int argc, char **argv, char **envp) */ if (i == nb_numa_nodes) { for (i = 0; i < max_cpus; i++) { - set_bit(i, node_cpumask[i % nb_numa_nodes]); + set_bit(i, numa_info[i % nb_numa_nodes].node_cpu); } } } -- 1.8.3.1.448.gfb7dfaa