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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 14:30:35 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 14:30:35 +0000
commit378c18e5f024ac5a8aef4cb40d7c9aa9633d144c (patch)
tree44dfb6ca500d32cabd450649b322a42e70a30683 /sys-utils/lscpu.h
parentInitial commit. (diff)
downloadutil-linux-378c18e5f024ac5a8aef4cb40d7c9aa9633d144c.tar.xz
util-linux-378c18e5f024ac5a8aef4cb40d7c9aa9633d144c.zip
Adding upstream version 2.38.1.upstream/2.38.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'sys-utils/lscpu.h')
-rw-r--r--sys-utils/lscpu.h334
1 files changed, 334 insertions, 0 deletions
diff --git a/sys-utils/lscpu.h b/sys-utils/lscpu.h
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+++ b/sys-utils/lscpu.h
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+#ifndef LSCPU_H
+#define LSCPU_H
+
+#include "c.h"
+#include "nls.h"
+#include "cpuset.h"
+#include "xalloc.h"
+#include "strutils.h"
+#include "bitops.h"
+#include "path.h"
+#include "pathnames.h"
+#include "all-io.h"
+#include "debug.h"
+
+#define LSCPU_DEBUG_INIT (1 << 1)
+#define LSCPU_DEBUG_MISC (1 << 2)
+#define LSCPU_DEBUG_GATHER (1 << 3)
+#define LSCPU_DEBUG_TYPE (1 << 4)
+#define LSCPU_DEBUG_CPU (1 << 5)
+#define LSCPU_DEBUG_VIRT (1 << 6)
+#define LSBLK_DEBUG_ALL 0xFFFF
+
+UL_DEBUG_DECLARE_MASK(lscpu);
+#define DBG(m, x) __UL_DBG(lscpu, LSCPU_DEBUG_, m, x)
+#define ON_DBG(m, x) __UL_DBG_CALL(lscpu, LSCPU_DEBUG_, m, x)
+
+#define UL_DEBUG_CURRENT_MASK UL_DEBUG_MASK(lscpu)
+#include "debugobj.h"
+
+#define _PATH_SYS_SYSTEM "/sys/devices/system"
+#define _PATH_SYS_HYP_FEATURES "/sys/hypervisor/properties/features"
+#define _PATH_SYS_CPU _PATH_SYS_SYSTEM "/cpu"
+#define _PATH_SYS_NODE _PATH_SYS_SYSTEM "/node"
+#define _PATH_SYS_DMI "/sys/firmware/dmi/tables/DMI"
+#define _PATH_ACPI_PPTT "/sys/firmware/acpi/tables/PPTT"
+
+struct lscpu_cache {
+ int id; /* unique identifier */
+ int nth; /* cache<number> from cpuinfo */
+ char *name;
+ char *type;
+ char *allocation_policy;
+ char *write_policy;
+
+ int level;
+ uint64_t size;
+
+ unsigned int ways_of_associativity;
+ unsigned int physical_line_partition;
+ unsigned int number_of_sets;
+ unsigned int coherency_line_size;
+
+ cpu_set_t *sharedmap;
+};
+
+struct lscpu_cputype {
+ int refcount;
+
+ char *vendor;
+ int vendor_id; /* created by lscpu_decode_arm() */
+ char *bios_vendor; /* aarch64 */
+ char *machinetype; /* s390 */
+ char *family;
+ char *model;
+ char *modelname;
+ char *bios_modelname; /* aarch64 */
+ char *bios_family; /* aarch64 */
+ char *revision; /* alternative for model (ppc) */
+ char *stepping;
+ char *bogomips;
+ char *flags;
+ char *mtid; /* maximum thread id (s390) */
+ char *addrsz; /* address sizes */
+ int dispatching; /* -1 if not evailable, DIST_* */
+ int freqboost; /* -1 if not evailable */
+
+ size_t physsockets; /* Physical sockets (modules) */
+ size_t physchips; /* Physical chips */
+ size_t physcoresperchip; /* Physical cores per chip */
+
+ size_t nthreads_per_core;
+ size_t ncores_per_socket;
+ size_t nsockets_per_book;
+ size_t nbooks_per_drawer;
+ size_t ndrawers_per_system;
+
+ char *dynamic_mhz; /* s390; copy from the first CPU */
+ char *static_mhz; /* s390; copy from the first CPU */
+
+ /* siblings maps */
+ size_t ncores;
+ cpu_set_t **coremaps;
+ size_t nsockets;
+ cpu_set_t **socketmaps;
+ size_t nbooks;
+ cpu_set_t **bookmaps;
+ size_t ndrawers;
+ cpu_set_t **drawermaps;
+
+ unsigned int has_freq : 1,
+ has_configured : 1,
+ has_polarization : 1,
+ has_addresses : 1;
+
+ size_t nr_socket_on_cluster; /* the number of sockets if the is_cluster is 1 */
+};
+
+/* dispatching modes */
+enum {
+ DISP_HORIZONTAL = 0,
+ DISP_VERTICAL = 1
+};
+
+/* cpu polarization */
+enum {
+ POLAR_UNKNOWN = 0,
+ POLAR_VLOW,
+ POLAR_VMEDIUM,
+ POLAR_VHIGH,
+ POLAR_HORIZONTAL
+};
+
+struct lscpu_cpu {
+ int refcount;
+ struct lscpu_cputype *type;
+
+ int logical_id;
+
+ char *bogomips; /* per-CPU bogomips */
+ char *mhz; /* freq from cpuinfo */
+ char *dynamic_mhz; /* from cpuinf for s390 */
+ char *static_mhz; /* from cpuinf for s390 */
+ float mhz_max_freq; /* realtime freq from /sys/.../cpuinfo_max_freq */
+ float mhz_min_freq; /* realtime freq from /sys/.../cpuinfo_min_freq */
+ float mhz_cur_freq;
+
+ int coreid;
+ int socketid;
+ int bookid;
+ int drawerid;
+
+ int polarization; /* POLAR_* */
+ int address; /* physical cpu address */
+ int configured; /* cpu configured */
+};
+
+struct lscpu_arch {
+ char *name; /* uname() .machine */
+
+ unsigned int bit32:1,
+ bit64:1;
+};
+
+struct lscpu_vulnerability {
+ char *name;
+ char *text;
+};
+
+/* virtualization types */
+enum {
+ VIRT_TYPE_NONE = 0,
+ VIRT_TYPE_PARA,
+ VIRT_TYPE_FULL,
+ VIRT_TYPE_CONTAINER
+};
+
+/* hypervisor vendors */
+enum {
+ VIRT_VENDOR_NONE = 0,
+ VIRT_VENDOR_XEN,
+ VIRT_VENDOR_KVM,
+ VIRT_VENDOR_MSHV,
+ VIRT_VENDOR_VMWARE,
+ VIRT_VENDOR_IBM, /* sys-z powervm */
+ VIRT_VENDOR_VSERVER,
+ VIRT_VENDOR_UML,
+ VIRT_VENDOR_INNOTEK, /* VBOX */
+ VIRT_VENDOR_HITACHI,
+ VIRT_VENDOR_PARALLELS, /* OpenVZ/VIrtuozzo */
+ VIRT_VENDOR_VBOX,
+ VIRT_VENDOR_OS400,
+ VIRT_VENDOR_PHYP,
+ VIRT_VENDOR_SPAR,
+ VIRT_VENDOR_WSL,
+};
+
+struct lscpu_virt {
+ char *cpuflag; /* virtualization flag (vmx, svm) */
+ char *hypervisor; /* hypervisor software */
+ int vendor; /* VIRT_VENDOR_* */
+ int type; /* VIRT_TYPE_* ? */
+
+};
+
+enum {
+ LSCPU_OUTPUT_SUMMARY = 0, /* default */
+ LSCPU_OUTPUT_CACHES,
+ LSCPU_OUTPUT_PARSABLE,
+ LSCPU_OUTPUT_READABLE
+};
+
+struct lscpu_cxt {
+ int maxcpus; /* size in bits of kernel cpu mask */
+ size_t setsize;
+ const char *prefix; /* path to /sys and /proc snapshot or NULL */
+
+ struct path_cxt *syscpu; /* _PATH_SYS_CPU path handler */
+ struct path_cxt *procfs; /* /proc path handler */
+
+ size_t ncputypes;
+ struct lscpu_cputype **cputypes;
+
+ size_t npossibles; /* number of possible CPUs */
+ struct lscpu_cpu **cpus; /* possible CPUs, contains gaps (cups[n]=NULL) */
+
+ size_t npresents;
+ cpu_set_t *present; /* mask with present CPUs */
+
+ size_t nonlines; /* aka number of trhreads */
+ cpu_set_t *online; /* mask with online CPUs */
+
+ struct lscpu_arch *arch;
+ struct lscpu_virt *virt;
+
+ struct lscpu_vulnerability *vuls; /* array of CPU vulnerabilities */
+ size_t nvuls; /* number of CPU vulnerabilities */
+
+ struct lscpu_cache *caches; /* all instances of the all caches from /sys */
+ size_t ncaches;
+
+ struct lscpu_cache *ecaches;
+ size_t necaches; /* extra caches (s390) from /proc/cpuinfo */
+
+ size_t nnodes; /* number of NUMA modes */
+ int *idx2nodenum; /* Support for discontinuous nodes */
+ cpu_set_t **nodemaps; /* array with NUMA nodes */
+
+ int mode; /* LSCPU_OUTPUT_* */
+
+ unsigned int noalive : 1,
+ show_online : 1,
+ show_offline : 1,
+ show_physical : 1,
+ show_compatible : 1,
+ hex : 1,
+ json : 1,
+ bytes : 1;
+
+ int is_cluster; /* For aarch64 if the machine doesn't have ACPI PPTT */
+};
+
+#define is_cpu_online(_cxt, _cpu) \
+ ((_cxt) && (_cpu) && (_cxt)->online && \
+ CPU_ISSET_S((_cpu)->logical_id, (_cxt)->setsize, (_cxt)->online))
+
+#define is_cpu_present(_cxt, _cpu) \
+ ((_cxt) && (_cpu) && (_cxt)->present && \
+ CPU_ISSET_S((_cpu)->logical_id, (_cxt)->setsize, (_cxt)->present))
+
+struct lscpu_cputype *lscpu_new_cputype(void);
+void lscpu_ref_cputype(struct lscpu_cputype *ct);
+void lscpu_unref_cputype(struct lscpu_cputype *ct);
+struct lscpu_cputype *lscpu_add_cputype(struct lscpu_cxt *cxt, struct lscpu_cputype *ct);
+struct lscpu_cputype *lscpu_cputype_get_default(struct lscpu_cxt *cxt);
+
+int lscpu_read_cpuinfo(struct lscpu_cxt *cxt);
+int lscpu_read_cpulists(struct lscpu_cxt *cxt);
+int lscpu_read_archext(struct lscpu_cxt *cxt);
+int lscpu_read_vulnerabilities(struct lscpu_cxt *cxt);
+int lscpu_read_numas(struct lscpu_cxt *cxt);
+
+void lscpu_free_caches(struct lscpu_cache *caches, size_t n);
+void lscpu_sort_caches(struct lscpu_cache *caches, size_t n);
+
+size_t lscpu_get_cache_full_size(struct lscpu_cxt *cxt, const char *name, int *instances);
+struct lscpu_cache *lscpu_cpu_get_cache(struct lscpu_cxt *cxt,
+ struct lscpu_cpu *cpu, const char *name);
+
+int lscpu_read_topology(struct lscpu_cxt *cxt);
+void lscpu_cputype_free_topology(struct lscpu_cputype *ct);
+
+float lsblk_cputype_get_maxmhz(struct lscpu_cxt *cxt, struct lscpu_cputype *ct);
+float lsblk_cputype_get_minmhz(struct lscpu_cxt *cxt, struct lscpu_cputype *ct);
+float lsblk_cputype_get_scalmhz(struct lscpu_cxt *cxt, struct lscpu_cputype *ct);
+
+struct lscpu_arch *lscpu_read_architecture(struct lscpu_cxt *cxt);
+void lscpu_free_architecture(struct lscpu_arch *ar);
+
+struct lscpu_virt *lscpu_read_virtualization(struct lscpu_cxt *cxt);
+void lscpu_free_virtualization(struct lscpu_virt *virt);
+
+struct lscpu_cpu *lscpu_new_cpu(int id);
+void lscpu_ref_cpu(struct lscpu_cpu *cpu);
+void lscpu_unref_cpu(struct lscpu_cpu *cpu);
+struct lscpu_cpu *lscpu_get_cpu(struct lscpu_cxt *cxt, int logical_id);
+int lscpu_cpu_set_type(struct lscpu_cpu *cpu, struct lscpu_cputype *type);
+int lscpu_create_cpus(struct lscpu_cxt *cxt, cpu_set_t *cpuset, size_t setsize);
+struct lscpu_cpu *lscpu_cpus_loopup_by_type(struct lscpu_cxt *cxt, struct lscpu_cputype *ct);
+
+void lscpu_decode_arm(struct lscpu_cxt *cxt);
+
+int lookup(char *line, char *pattern, char **value);
+
+void *get_mem_chunk(size_t base, size_t len, const char *devmem);
+
+struct lscpu_dmi_header
+{
+ uint8_t type;
+ uint8_t length;
+ uint16_t handle;
+ uint8_t *data;
+};
+
+struct dmi_info {
+ char *vendor;
+ char *product;
+ char *manufacturer;
+ int sockets;
+
+ /* Processor Information */
+ uint16_t processor_family;
+ char *processor_manufacturer;
+ char *processor_version;
+ uint16_t current_speed;
+ char *part_num;
+};
+
+
+void to_dmi_header(struct lscpu_dmi_header *h, uint8_t *data);
+char *dmi_string(const struct lscpu_dmi_header *dm, uint8_t s);
+int parse_dmi_table(uint16_t len, uint16_t num, uint8_t *data, struct dmi_info *di);
+size_t get_number_of_physical_sockets_from_dmi(void);
+int dmi_decode_cputype(struct lscpu_cputype *);
+#endif /* LSCPU_H */