Adding upstream version 2.38.1.upstream/2.38.1upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 90 insertions, 0 deletions

diff --git a/sys-utils/lscpu-cpu.c b/sys-utils/lscpu-cpu.c
new file mode 100644
index 0000000..6250cf7
--- /dev/null
+++ b/sys-utils/lscpu-cpu.c
@@ -0,0 +1,90 @@
+#include "lscpu.h"
+
+struct lscpu_cpu *lscpu_new_cpu(int id)
+{
+	struct lscpu_cpu *cpu;
+
+	cpu = xcalloc(1, sizeof(struct lscpu_cpu));
+	cpu->refcount = 1;
+	cpu->logical_id = id;
+	cpu->coreid = -1;
+	cpu->socketid = -1;
+	cpu->bookid = -1;
+	cpu->bookid = -1;
+	cpu->address = -1;
+	cpu->configured = -1;
+
+	DBG(CPU, ul_debugobj(cpu, "alloc"));
+	return cpu;
+}
+
+void lscpu_ref_cpu(struct lscpu_cpu *cpu)
+{
+	if (cpu)
+		cpu->refcount++;
+}
+
+void lscpu_unref_cpu(struct lscpu_cpu *cpu)
+{
+	if (!cpu)
+		return;
+
+	if (--cpu->refcount <= 0) {
+		DBG(CPU, ul_debugobj(cpu, "  freeing #%d", cpu->logical_id));
+		lscpu_unref_cputype(cpu->type);
+		cpu->type = NULL;
+		free(cpu->dynamic_mhz);
+		free(cpu->static_mhz);
+		free(cpu->mhz);
+		free(cpu->bogomips);
+		free(cpu);
+	}
+}
+
+/*
+ * Create and initialize array with CPU structs according to @cpuset.
+ */
+int lscpu_create_cpus(struct lscpu_cxt *cxt, cpu_set_t *cpuset, size_t setsize)
+{
+	size_t n, i;
+
+	assert(!cxt->cpus);
+
+	cxt->npossibles = CPU_COUNT_S(setsize, cpuset);
+	cxt->cpus = xcalloc(1, cxt->npossibles * sizeof(struct lscpu_cpu *));
+
+	for (n = 0, i = 0; n < (size_t) cxt->maxcpus && i < cxt->npossibles; n++) {
+		if (CPU_ISSET_S(n, setsize, cpuset))
+			cxt->cpus[i++] = lscpu_new_cpu(n);
+	}
+
+	return 0;
+}
+
+int lscpu_cpu_set_type(struct lscpu_cpu *cpu, struct lscpu_cputype *type)
+{
+	if (cpu->type == type)
+		return 0;
+
+	lscpu_unref_cputype(cpu->type);
+	cpu->type = type;
+	lscpu_ref_cputype(type);
+
+	DBG(CPU, ul_debugobj(cpu, "cputype set to %s", type ? type->vendor : NULL));
+	return 0;
+}
+
+/* don't forget lscpu_ref_cpu() ! */
+struct lscpu_cpu *lscpu_get_cpu(struct lscpu_cxt *cxt, int logical_id)
+{
+	size_t i;
+
+	for (i = 0; i < cxt->npossibles; i++) {
+		struct lscpu_cpu *cpu = cxt->cpus[i];
+
+		if (cpu && cpu->logical_id == logical_id)
+			return cpu;
+	}
+
+	return NULL;
+}