diff options
Diffstat (limited to 'hw/i386')
| -rw-r--r-- | hw/i386/Kconfig | 2 | ||||
| -rw-r--r-- | hw/i386/pc.c | 108 | ||||
| -rw-r--r-- | hw/i386/x86.c | 15 |
3 files changed, 56 insertions, 69 deletions
diff --git a/hw/i386/Kconfig b/hw/i386/Kconfig index 66838fa397..aacb6f6d96 100644 --- a/hw/i386/Kconfig +++ b/hw/i386/Kconfig @@ -24,7 +24,7 @@ config PC imply VGA_PCI imply VIRTIO_VGA imply NVDIMM - select FDC + select FDC_ISA select I8259 select I8254 select PCKBD diff --git a/hw/i386/pc.c b/hw/i386/pc.c index c6d8d0d84d..8e1220db72 100644 --- a/hw/i386/pc.c +++ b/hw/i386/pc.c @@ -710,73 +710,61 @@ void pc_acpi_smi_interrupt(void *opaque, int irq, int level) * This function is very similar to smp_parse() * in hw/core/machine.c but includes CPU die support. */ -void pc_smp_parse(MachineState *ms, QemuOpts *opts) +static void pc_smp_parse(MachineState *ms, SMPConfiguration *config, Error **errp) { - X86MachineState *x86ms = X86_MACHINE(ms); - - if (opts) { - unsigned cpus = qemu_opt_get_number(opts, "cpus", 0); - unsigned sockets = qemu_opt_get_number(opts, "sockets", 0); - unsigned dies = qemu_opt_get_number(opts, "dies", 1); - unsigned cores = qemu_opt_get_number(opts, "cores", 0); - unsigned threads = qemu_opt_get_number(opts, "threads", 0); - - /* compute missing values, prefer sockets over cores over threads */ - if (cpus == 0 || sockets == 0) { - cores = cores > 0 ? cores : 1; - threads = threads > 0 ? threads : 1; - if (cpus == 0) { - sockets = sockets > 0 ? sockets : 1; - cpus = cores * threads * dies * sockets; - } else { - ms->smp.max_cpus = - qemu_opt_get_number(opts, "maxcpus", cpus); - sockets = ms->smp.max_cpus / (cores * threads * dies); - } - } else if (cores == 0) { - threads = threads > 0 ? threads : 1; - cores = cpus / (sockets * dies * threads); - cores = cores > 0 ? cores : 1; - } else if (threads == 0) { - threads = cpus / (cores * dies * sockets); - threads = threads > 0 ? threads : 1; - } else if (sockets * dies * cores * threads < cpus) { - error_report("cpu topology: " - "sockets (%u) * dies (%u) * cores (%u) * threads (%u) < " - "smp_cpus (%u)", - sockets, dies, cores, threads, cpus); - exit(1); - } - - ms->smp.max_cpus = - qemu_opt_get_number(opts, "maxcpus", cpus); - - if (ms->smp.max_cpus < cpus) { - error_report("maxcpus must be equal to or greater than smp"); - exit(1); + unsigned cpus = config->has_cpus ? config->cpus : 0; + unsigned sockets = config->has_sockets ? config->sockets : 0; + unsigned dies = config->has_dies ? config->dies : 1; + unsigned cores = config->has_cores ? config->cores : 0; + unsigned threads = config->has_threads ? config->threads : 0; + + /* compute missing values, prefer sockets over cores over threads */ + if (cpus == 0 || sockets == 0) { + cores = cores > 0 ? cores : 1; + threads = threads > 0 ? threads : 1; + if (cpus == 0) { + sockets = sockets > 0 ? sockets : 1; + cpus = cores * threads * dies * sockets; + } else { + ms->smp.max_cpus = config->has_maxcpus ? config->maxcpus : cpus; + sockets = ms->smp.max_cpus / (cores * threads * dies); } + } else if (cores == 0) { + threads = threads > 0 ? threads : 1; + cores = cpus / (sockets * dies * threads); + cores = cores > 0 ? cores : 1; + } else if (threads == 0) { + threads = cpus / (cores * dies * sockets); + threads = threads > 0 ? threads : 1; + } else if (sockets * dies * cores * threads < cpus) { + error_setg(errp, "cpu topology: " + "sockets (%u) * dies (%u) * cores (%u) * threads (%u) < " + "smp_cpus (%u)", + sockets, dies, cores, threads, cpus); + return; + } - if (sockets * dies * cores * threads != ms->smp.max_cpus) { - error_report("Invalid CPU topology deprecated: " - "sockets (%u) * dies (%u) * cores (%u) * threads (%u) " - "!= maxcpus (%u)", - sockets, dies, cores, threads, - ms->smp.max_cpus); - exit(1); - } + ms->smp.max_cpus = config->has_maxcpus ? config->maxcpus : cpus; - ms->smp.cpus = cpus; - ms->smp.cores = cores; - ms->smp.threads = threads; - ms->smp.sockets = sockets; - x86ms->smp_dies = dies; + if (ms->smp.max_cpus < cpus) { + error_setg(errp, "maxcpus must be equal to or greater than smp"); + return; } - if (ms->smp.cpus > 1) { - Error *blocker = NULL; - error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED, "smp"); - replay_add_blocker(blocker); + if (sockets * dies * cores * threads != ms->smp.max_cpus) { + error_setg(errp, "Invalid CPU topology deprecated: " + "sockets (%u) * dies (%u) * cores (%u) * threads (%u) " + "!= maxcpus (%u)", + sockets, dies, cores, threads, + ms->smp.max_cpus); + return; } + + ms->smp.cpus = cpus; + ms->smp.cores = cores; + ms->smp.threads = threads; + ms->smp.sockets = sockets; + ms->smp.dies = dies; } static diff --git a/hw/i386/x86.c b/hw/i386/x86.c index d30cf27e29..00448ed55a 100644 --- a/hw/i386/x86.c +++ b/hw/i386/x86.c @@ -64,7 +64,7 @@ inline void init_topo_info(X86CPUTopoInfo *topo_info, { MachineState *ms = MACHINE(x86ms); - topo_info->dies_per_pkg = x86ms->smp_dies; + topo_info->dies_per_pkg = ms->smp.dies; topo_info->cores_per_die = ms->smp.cores; topo_info->threads_per_core = ms->smp.threads; } @@ -293,7 +293,7 @@ void x86_cpu_pre_plug(HotplugHandler *hotplug_dev, init_topo_info(&topo_info, x86ms); - env->nr_dies = x86ms->smp_dies; + env->nr_dies = ms->smp.dies; /* * If APIC ID is not set, @@ -301,13 +301,13 @@ void x86_cpu_pre_plug(HotplugHandler *hotplug_dev, */ if (cpu->apic_id == UNASSIGNED_APIC_ID) { int max_socket = (ms->smp.max_cpus - 1) / - smp_threads / smp_cores / x86ms->smp_dies; + smp_threads / smp_cores / ms->smp.dies; /* * die-id was optional in QEMU 4.0 and older, so keep it optional * if there's only one die per socket. */ - if (cpu->die_id < 0 && x86ms->smp_dies == 1) { + if (cpu->die_id < 0 && ms->smp.dies == 1) { cpu->die_id = 0; } @@ -322,9 +322,9 @@ void x86_cpu_pre_plug(HotplugHandler *hotplug_dev, if (cpu->die_id < 0) { error_setg(errp, "CPU die-id is not set"); return; - } else if (cpu->die_id > x86ms->smp_dies - 1) { + } else if (cpu->die_id > ms->smp.dies - 1) { error_setg(errp, "Invalid CPU die-id: %u must be in range 0:%u", - cpu->die_id, x86ms->smp_dies - 1); + cpu->die_id, ms->smp.dies - 1); return; } if (cpu->core_id < 0) { @@ -477,7 +477,7 @@ const CPUArchIdList *x86_possible_cpu_arch_ids(MachineState *ms) &topo_info, &topo_ids); ms->possible_cpus->cpus[i].props.has_socket_id = true; ms->possible_cpus->cpus[i].props.socket_id = topo_ids.pkg_id; - if (x86ms->smp_dies > 1) { + if (ms->smp.dies > 1) { ms->possible_cpus->cpus[i].props.has_die_id = true; ms->possible_cpus->cpus[i].props.die_id = topo_ids.die_id; } @@ -1269,7 +1269,6 @@ static void x86_machine_initfn(Object *obj) x86ms->smm = ON_OFF_AUTO_AUTO; x86ms->acpi = ON_OFF_AUTO_AUTO; - x86ms->smp_dies = 1; x86ms->pci_irq_mask = ACPI_BUILD_PCI_IRQS; x86ms->oem_id = g_strndup(ACPI_BUILD_APPNAME6, 6); x86ms->oem_table_id = g_strndup(ACPI_BUILD_APPNAME8, 8); |