On Thu, Jul 04, 2013 at 05:53:09PM +0800, Wanlong Gao wrote: > 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>
Reviewed-by: Eduardo Habkost <ehabk...@redhat.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 20958e5..496d5ce 100644 > --- a/cpus.c > +++ b/cpus.c > @@ -1180,7 +1180,7 @@ 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 78f92e2..78b5a72 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 9be515c..93ac045 100644 > --- a/monitor.c > +++ b/monitor.c > @@ -1820,7 +1820,7 @@ 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 6f2e17a..5207b8e 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; > @@ -2961,8 +2960,8 @@ 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; > @@ -4228,7 +4227,7 @@ 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) { > @@ -4238,14 +4237,15 @@ 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; > } > } > @@ -4255,7 +4255,7 @@ 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); > } > } > } > -- > 1.8.3.2.634.g7a3187e > > -- Eduardo