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-rw-r--r--tools/Makefile3
-rw-r--r--tools/accounting/getdelays.c4
-rw-r--r--tools/arch/arm64/include/asm/cputype.h4
-rw-r--r--tools/arch/arm64/include/uapi/asm/kvm.h6
-rw-r--r--tools/arch/s390/include/uapi/asm/kvm.h1
-rw-r--r--tools/arch/x86/include/asm/amd-ibs.h32
-rw-r--r--tools/arch/x86/include/asm/cpufeatures.h11
-rw-r--r--tools/arch/x86/include/asm/msr-index.h30
-rw-r--r--tools/arch/x86/include/asm/rmwcc.h21
-rw-r--r--tools/arch/x86/include/uapi/asm/kvm.h22
-rw-r--r--tools/arch/x86/include/uapi/asm/vmx.h4
-rw-r--r--tools/arch/x86/lib/memcpy_64.S2
-rw-r--r--tools/bpf/Makefile7
-rw-r--r--tools/bpf/bpf_jit_disasm.c5
-rw-r--r--tools/bpf/bpftool/Documentation/bpftool-cgroup.rst16
-rw-r--r--tools/bpf/bpftool/Documentation/bpftool-feature.rst12
-rw-r--r--tools/bpf/bpftool/Documentation/bpftool-map.rst2
-rw-r--r--tools/bpf/bpftool/Documentation/bpftool-prog.rst5
-rw-r--r--tools/bpf/bpftool/Makefile17
-rw-r--r--tools/bpf/bpftool/bash-completion/bpftool30
-rw-r--r--tools/bpf/bpftool/btf.c73
-rw-r--r--tools/bpf/bpftool/btf_dumper.c31
-rw-r--r--tools/bpf/bpftool/cgroup.c214
-rw-r--r--tools/bpf/bpftool/common.c178
-rw-r--r--tools/bpf/bpftool/feature.c150
-rw-r--r--tools/bpf/bpftool/gen.c119
-rw-r--r--tools/bpf/bpftool/jit_disasm.c42
-rw-r--r--tools/bpf/bpftool/link.c115
-rw-r--r--tools/bpf/bpftool/main.c12
-rw-r--r--tools/bpf/bpftool/main.h24
-rw-r--r--tools/bpf/bpftool/map.c86
-rw-r--r--tools/bpf/bpftool/map_perf_ring.c14
-rw-r--r--tools/bpf/bpftool/pids.c1
-rw-r--r--tools/bpf/bpftool/prog.c81
-rw-r--r--tools/bpf/bpftool/struct_ops.c2
-rw-r--r--tools/bpf/resolve_btfids/main.c40
-rw-r--r--tools/bpf/runqslower/Makefile7
-rw-r--r--tools/build/Makefile.feature55
-rw-r--r--tools/build/feature/Makefile20
-rw-r--r--tools/build/feature/test-all.c4
-rw-r--r--tools/build/feature/test-disassembler-init-styled.c13
-rw-r--r--tools/build/feature/test-libbpf-bpf_program__set_insns.c8
-rw-r--r--tools/build/feature/test-libcrypto.c15
-rw-r--r--tools/cgroup/iocost_monitor.py10
-rw-r--r--tools/cgroup/memcg_shrinker.py71
-rwxr-xr-xtools/debugging/kernel-chktaint9
-rw-r--r--tools/hv/hv_kvp_daemon.c6
-rw-r--r--tools/iio/iio_event_monitor.c14
-rw-r--r--tools/iio/iio_utils.c4
-rw-r--r--tools/include/asm-generic/bitops/non-atomic.h34
-rw-r--r--tools/include/asm-generic/hugetlb_encode.h26
-rw-r--r--tools/include/linux/bitmap.h12
-rw-r--r--tools/include/linux/bitops.h16
-rw-r--r--tools/include/linux/btf_ids.h35
-rw-r--r--tools/include/linux/compiler_types.h4
-rw-r--r--tools/include/linux/find.h61
-rw-r--r--tools/include/linux/gfp.h21
-rw-r--r--tools/include/linux/gfp_types.h1
-rw-r--r--tools/include/linux/kallsyms.h2
-rw-r--r--tools/include/linux/list.h11
-rw-r--r--tools/include/linux/objtool.h2
-rw-r--r--tools/include/linux/sched/mm.h2
-rw-r--r--tools/include/linux/slab.h4
-rw-r--r--tools/include/nolibc/Makefile37
-rw-r--r--tools/include/nolibc/arch-riscv.h2
-rw-r--r--tools/include/nolibc/stdio.h4
-rw-r--r--tools/include/nolibc/stdlib.h7
-rw-r--r--tools/include/nolibc/string.h17
-rw-r--r--tools/include/nolibc/sys.h4
-rw-r--r--tools/include/tools/dis-asm-compat.h55
-rw-r--r--tools/include/uapi/asm-generic/fcntl.h13
-rw-r--r--tools/include/uapi/asm-generic/mman-common.h2
-rw-r--r--tools/include/uapi/asm/errno.h4
-rw-r--r--tools/include/uapi/drm/i915_drm.h393
-rw-r--r--tools/include/uapi/linux/bpf.h276
-rw-r--r--tools/include/uapi/linux/btf.h17
-rw-r--r--tools/include/uapi/linux/fs.h2
-rw-r--r--tools/include/uapi/linux/fscrypt.h3
-rw-r--r--tools/include/uapi/linux/if_link.h1
-rw-r--r--tools/include/uapi/linux/if_tun.h2
-rw-r--r--tools/include/uapi/linux/in.h23
-rw-r--r--tools/include/uapi/linux/kvm.h119
-rw-r--r--tools/include/uapi/linux/perf_event.h64
-rw-r--r--tools/include/uapi/linux/pkt_cls.h4
-rw-r--r--tools/include/uapi/linux/seg6.h4
-rw-r--r--tools/include/uapi/linux/stat.h4
-rw-r--r--tools/include/uapi/linux/stddef.h47
-rw-r--r--tools/include/uapi/linux/tc_act/tc_bpf.h5
-rw-r--r--tools/include/uapi/linux/usbdevice_fs.h4
-rw-r--r--tools/include/uapi/linux/vhost.h9
-rw-r--r--tools/include/uapi/sound/asound.h18
-rwxr-xr-xtools/kvm/kvm_stat/kvm_stat98
-rw-r--r--tools/lib/api/fd/array.h5
-rw-r--r--tools/lib/bitmap.c6
-rw-r--r--tools/lib/bpf/Build2
-rw-r--r--tools/lib/bpf/Makefile2
-rw-r--r--tools/lib/bpf/bpf.c395
-rw-r--r--tools/lib/bpf/bpf.h109
-rw-r--r--tools/lib/bpf/bpf_core_read.h11
-rw-r--r--tools/lib/bpf/bpf_helpers.h25
-rw-r--r--tools/lib/bpf/bpf_tracing.h181
-rw-r--r--tools/lib/bpf/btf.c446
-rw-r--r--tools/lib/bpf/btf.h142
-rw-r--r--tools/lib/bpf/btf_dump.c162
-rw-r--r--tools/lib/bpf/gen_loader.c2
-rw-r--r--tools/lib/bpf/libbpf.c2404
-rw-r--r--tools/lib/bpf/libbpf.h678
-rw-r--r--tools/lib/bpf/libbpf.map135
-rw-r--r--tools/lib/bpf/libbpf_common.h16
-rw-r--r--tools/lib/bpf/libbpf_internal.h42
-rw-r--r--tools/lib/bpf/libbpf_legacy.h30
-rw-r--r--tools/lib/bpf/libbpf_probes.c128
-rw-r--r--tools/lib/bpf/libbpf_version.h2
-rw-r--r--tools/lib/bpf/linker.c7
-rw-r--r--tools/lib/bpf/netlink.c65
-rw-r--r--tools/lib/bpf/nlattr.c2
-rw-r--r--tools/lib/bpf/relo_core.c479
-rw-r--r--tools/lib/bpf/relo_core.h10
-rw-r--r--tools/lib/bpf/ringbuf.c271
-rw-r--r--tools/lib/bpf/skel_internal.h37
-rw-r--r--tools/lib/bpf/usdt.bpf.h20
-rw-r--r--tools/lib/bpf/usdt.c131
-rw-r--r--tools/lib/bpf/xsk.c1260
-rw-r--r--tools/lib/bpf/xsk.h336
-rw-r--r--tools/lib/find_bit.c149
-rw-r--r--tools/lib/perf/cpumap.c2
-rw-r--r--tools/lib/perf/evlist.c83
-rw-r--r--tools/lib/perf/evsel.c82
-rw-r--r--tools/lib/perf/include/internal/evlist.h1
-rw-r--r--tools/lib/perf/include/internal/evsel.h4
-rw-r--r--tools/lib/perf/include/perf/cpumap.h2
-rw-r--r--tools/lib/perf/include/perf/event.h84
-rw-r--r--tools/lib/perf/include/perf/evsel.h4
-rw-r--r--tools/lib/perf/tests/test-evsel.c161
-rw-r--r--tools/lib/subcmd/exec-cmd.c3
-rw-r--r--tools/lib/symbol/kallsyms.h2
-rw-r--r--tools/memory-model/Documentation/litmus-tests.txt37
-rw-r--r--tools/objtool/arch/x86/decode.c6
-rw-r--r--tools/objtool/check.c75
-rw-r--r--tools/objtool/elf.c7
-rw-r--r--tools/perf/.gitignore7
-rw-r--r--tools/perf/Build1
-rw-r--r--tools/perf/Documentation/arm-coresight.txt5
-rw-r--r--tools/perf/Documentation/guest-files.txt16
-rw-r--r--tools/perf/Documentation/guestmount.txt11
-rw-r--r--tools/perf/Documentation/intel-hybrid.txt10
-rw-r--r--tools/perf/Documentation/itrace.txt1
-rw-r--r--tools/perf/Documentation/perf-buildid-list.txt4
-rw-r--r--tools/perf/Documentation/perf-c2c.txt45
-rw-r--r--tools/perf/Documentation/perf-config.txt7
-rw-r--r--tools/perf/Documentation/perf-dlfilter.txt22
-rw-r--r--tools/perf/Documentation/perf-inject.txt34
-rw-r--r--tools/perf/Documentation/perf-intel-pt.txt194
-rw-r--r--tools/perf/Documentation/perf-kvm.txt25
-rw-r--r--tools/perf/Documentation/perf-kwork.txt180
-rw-r--r--tools/perf/Documentation/perf-lock.txt75
-rw-r--r--tools/perf/Documentation/perf-mem.txt3
-rw-r--r--tools/perf/Documentation/perf-record.txt25
-rw-r--r--tools/perf/Documentation/perf-report.txt3
-rw-r--r--tools/perf/Documentation/perf-script.txt16
-rw-r--r--tools/perf/Documentation/perf-stat.txt21
-rw-r--r--tools/perf/Documentation/perf.data-file-format.txt20
-rw-r--r--tools/perf/Makefile.config75
-rw-r--r--tools/perf/Makefile.perf58
-rw-r--r--tools/perf/arch/arm/util/auxtrace.c116
-rw-r--r--tools/perf/arch/arm/util/cs-etm.c2
-rw-r--r--tools/perf/arch/arm/util/pmu.c3
-rw-r--r--tools/perf/arch/arm64/annotate/instructions.c2
-rw-r--r--tools/perf/arch/arm64/util/Build2
-rw-r--r--tools/perf/arch/arm64/util/arm-spe.c2
-rw-r--r--tools/perf/arch/arm64/util/hisi-ptt.c188
-rw-r--r--tools/perf/arch/arm64/util/pmu.c4
-rw-r--r--tools/perf/arch/powerpc/entry/syscalls/syscall.tbl28
-rw-r--r--tools/perf/arch/x86/tests/Build1
-rw-r--r--tools/perf/arch/x86/tests/arch-tests.c2
-rw-r--r--tools/perf/arch/x86/tests/intel-cqm.c2
-rw-r--r--tools/perf/arch/x86/tests/rdpmc.c182
-rw-r--r--tools/perf/arch/x86/util/cpuid.h34
-rw-r--r--tools/perf/arch/x86/util/evlist.c64
-rw-r--r--tools/perf/arch/x86/util/evsel.c72
-rw-r--r--tools/perf/arch/x86/util/header.c27
-rw-r--r--tools/perf/arch/x86/util/intel-bts.c2
-rw-r--r--tools/perf/arch/x86/util/intel-pt.c17
-rw-r--r--tools/perf/arch/x86/util/iostat.c2
-rw-r--r--tools/perf/arch/x86/util/mem-events.c31
-rw-r--r--tools/perf/arch/x86/util/topdown.c51
-rw-r--r--tools/perf/arch/x86/util/topdown.h1
-rw-r--r--tools/perf/arch/x86/util/tsc.c77
-rw-r--r--tools/perf/bench/epoll-ctl.c33
-rw-r--r--tools/perf/bench/epoll-wait.c33
-rw-r--r--tools/perf/bench/futex-hash.c33
-rw-r--r--tools/perf/bench/futex-lock-pi.c33
-rw-r--r--tools/perf/bench/futex-requeue.c33
-rw-r--r--tools/perf/bench/futex-wake-parallel.c33
-rw-r--r--tools/perf/bench/futex-wake.c33
-rw-r--r--tools/perf/bench/numa.c93
-rw-r--r--tools/perf/builtin-annotate.c8
-rw-r--r--tools/perf/builtin-buildid-list.c39
-rw-r--r--tools/perf/builtin-c2c.c532
-rw-r--r--tools/perf/builtin-inject.c1135
-rw-r--r--tools/perf/builtin-kvm.c8
-rw-r--r--tools/perf/builtin-kwork.c1832
-rw-r--r--tools/perf/builtin-list.c4
-rw-r--r--tools/perf/builtin-lock.c1025
-rw-r--r--tools/perf/builtin-mem.c9
-rw-r--r--tools/perf/builtin-record.c340
-rw-r--r--tools/perf/builtin-report.c23
-rw-r--r--tools/perf/builtin-sched.c151
-rw-r--r--tools/perf/builtin-script.c44
-rw-r--r--tools/perf/builtin-stat.c212
-rw-r--r--tools/perf/builtin-timechart.c66
-rw-r--r--tools/perf/builtin-top.c48
-rw-r--r--tools/perf/builtin-trace.c21
-rw-r--r--tools/perf/builtin.h1
-rwxr-xr-xtools/perf/check-headers.sh2
-rw-r--r--tools/perf/command-list.txt1
-rw-r--r--tools/perf/dlfilters/dlfilter-show-cycles.c4
-rw-r--r--tools/perf/include/perf/perf_dlfilter.h8
-rw-r--r--tools/perf/perf.c13
-rw-r--r--tools/perf/pmu-events/Build21
-rw-r--r--tools/perf/pmu-events/arch/arm64/arm/cortex-a65-e1/branch.json (renamed from tools/perf/pmu-events/arch/arm64/arm/cortex-a65/branch.json)0
-rw-r--r--tools/perf/pmu-events/arch/arm64/arm/cortex-a65-e1/bus.json (renamed from tools/perf/pmu-events/arch/arm64/arm/cortex-a65/bus.json)0
-rw-r--r--tools/perf/pmu-events/arch/arm64/arm/cortex-a65-e1/cache.json (renamed from tools/perf/pmu-events/arch/arm64/arm/cortex-a65/cache.json)0
-rw-r--r--tools/perf/pmu-events/arch/arm64/arm/cortex-a65-e1/dpu.json (renamed from tools/perf/pmu-events/arch/arm64/arm/cortex-a65/dpu.json)0
-rw-r--r--tools/perf/pmu-events/arch/arm64/arm/cortex-a65-e1/exception.json (renamed from tools/perf/pmu-events/arch/arm64/arm/cortex-a65/exception.json)0
-rw-r--r--tools/perf/pmu-events/arch/arm64/arm/cortex-a65-e1/ifu.json (renamed from tools/perf/pmu-events/arch/arm64/arm/cortex-a65/ifu.json)0
-rw-r--r--tools/perf/pmu-events/arch/arm64/arm/cortex-a65-e1/instruction.json (renamed from tools/perf/pmu-events/arch/arm64/arm/cortex-a65/instruction.json)0
-rw-r--r--tools/perf/pmu-events/arch/arm64/arm/cortex-a65-e1/memory.json (renamed from tools/perf/pmu-events/arch/arm64/arm/cortex-a65/memory.json)0
-rw-r--r--tools/perf/pmu-events/arch/arm64/arm/cortex-a65-e1/pipeline.json (renamed from tools/perf/pmu-events/arch/arm64/arm/cortex-a65/pipeline.json)0
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-rw-r--r--tools/perf/pmu-events/arch/powerpc/power10/nest_metrics.json72
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-rw-r--r--tools/perf/pmu-events/arch/x86/alderlake/adl-metrics.json1357
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-rw-r--r--tools/testing/selftests/powerpc/ptrace/ptrace.h79
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-rw-r--r--tools/testing/selftests/tc-testing/tc-tests/qdiscs/drr.json71
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-rw-r--r--tools/testing/selftests/tc-testing/tc-tests/qdiscs/htb.json285
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-rw-r--r--tools/testing/selftests/tc-testing/tc-tests/qdiscs/mqprio.json114
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-rw-r--r--tools/testing/selftests/tc-testing/tc-tests/qdiscs/plug.json188
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-rw-r--r--tools/virtio/linux/vringh.h1
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-rw-r--r--tools/vm/slabinfo.c58
1549 files changed, 312920 insertions, 40502 deletions
diff --git a/tools/Makefile b/tools/Makefile
index c074e42fd92f..e497875fc7e3 100644
--- a/tools/Makefile
+++ b/tools/Makefile
@@ -78,6 +78,9 @@ bpf/%: FORCE
libapi: FORCE
$(call descend,lib/api)
+nolibc: FORCE
+ $(call descend,include/nolibc)
+
nolibc_%: FORCE
$(call descend,include/nolibc,$(patsubst nolibc_%,%,$@))
diff --git a/tools/accounting/getdelays.c b/tools/accounting/getdelays.c
index e83e6e47a21e..938dec0dfaad 100644
--- a/tools/accounting/getdelays.c
+++ b/tools/accounting/getdelays.c
@@ -45,7 +45,6 @@
exit(code); \
} while (0)
-int done;
int rcvbufsz;
char name[100];
int dbg;
@@ -285,7 +284,6 @@ int main(int argc, char *argv[])
pid_t rtid = 0;
int fd = 0;
- int count = 0;
int write_file = 0;
int maskset = 0;
char *logfile = NULL;
@@ -495,7 +493,6 @@ int main(int argc, char *argv[])
len2 = 0;
/* For nested attributes, na follows */
na = (struct nlattr *) NLA_DATA(na);
- done = 0;
while (len2 < aggr_len) {
switch (na->nla_type) {
case TASKSTATS_TYPE_PID:
@@ -509,7 +506,6 @@ int main(int argc, char *argv[])
printf("TGID\t%d\n", rtid);
break;
case TASKSTATS_TYPE_STATS:
- count++;
if (print_delays)
print_delayacct((struct taskstats *) NLA_DATA(na));
if (print_io_accounting)
diff --git a/tools/arch/arm64/include/asm/cputype.h b/tools/arch/arm64/include/asm/cputype.h
index 8aa0d276a636..abc418650fec 100644
--- a/tools/arch/arm64/include/asm/cputype.h
+++ b/tools/arch/arm64/include/asm/cputype.h
@@ -60,6 +60,7 @@
#define ARM_CPU_IMP_FUJITSU 0x46
#define ARM_CPU_IMP_HISI 0x48
#define ARM_CPU_IMP_APPLE 0x61
+#define ARM_CPU_IMP_AMPERE 0xC0
#define ARM_CPU_PART_AEM_V8 0xD0F
#define ARM_CPU_PART_FOUNDATION 0xD00
@@ -123,6 +124,8 @@
#define APPLE_CPU_PART_M1_ICESTORM_MAX 0x028
#define APPLE_CPU_PART_M1_FIRESTORM_MAX 0x029
+#define AMPERE_CPU_PART_AMPERE1 0xAC3
+
#define MIDR_CORTEX_A53 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_CORTEX_A53)
#define MIDR_CORTEX_A57 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_CORTEX_A57)
#define MIDR_CORTEX_A72 MIDR_CPU_MODEL(ARM_CPU_IMP_ARM, ARM_CPU_PART_CORTEX_A72)
@@ -172,6 +175,7 @@
#define MIDR_APPLE_M1_FIRESTORM_PRO MIDR_CPU_MODEL(ARM_CPU_IMP_APPLE, APPLE_CPU_PART_M1_FIRESTORM_PRO)
#define MIDR_APPLE_M1_ICESTORM_MAX MIDR_CPU_MODEL(ARM_CPU_IMP_APPLE, APPLE_CPU_PART_M1_ICESTORM_MAX)
#define MIDR_APPLE_M1_FIRESTORM_MAX MIDR_CPU_MODEL(ARM_CPU_IMP_APPLE, APPLE_CPU_PART_M1_FIRESTORM_MAX)
+#define MIDR_AMPERE1 MIDR_CPU_MODEL(ARM_CPU_IMP_AMPERE, AMPERE_CPU_PART_AMPERE1)
/* Fujitsu Erratum 010001 affects A64FX 1.0 and 1.1, (v0r0 and v1r0) */
#define MIDR_FUJITSU_ERRATUM_010001 MIDR_FUJITSU_A64FX
diff --git a/tools/arch/arm64/include/uapi/asm/kvm.h b/tools/arch/arm64/include/uapi/asm/kvm.h
index 3bb134355874..316917b98707 100644
--- a/tools/arch/arm64/include/uapi/asm/kvm.h
+++ b/tools/arch/arm64/include/uapi/asm/kvm.h
@@ -75,9 +75,11 @@ struct kvm_regs {
/* KVM_ARM_SET_DEVICE_ADDR ioctl id encoding */
#define KVM_ARM_DEVICE_TYPE_SHIFT 0
-#define KVM_ARM_DEVICE_TYPE_MASK (0xffff << KVM_ARM_DEVICE_TYPE_SHIFT)
+#define KVM_ARM_DEVICE_TYPE_MASK GENMASK(KVM_ARM_DEVICE_TYPE_SHIFT + 15, \
+ KVM_ARM_DEVICE_TYPE_SHIFT)
#define KVM_ARM_DEVICE_ID_SHIFT 16
-#define KVM_ARM_DEVICE_ID_MASK (0xffff << KVM_ARM_DEVICE_ID_SHIFT)
+#define KVM_ARM_DEVICE_ID_MASK GENMASK(KVM_ARM_DEVICE_ID_SHIFT + 15, \
+ KVM_ARM_DEVICE_ID_SHIFT)
/* Supported device IDs */
#define KVM_ARM_DEVICE_VGIC_V2 0
diff --git a/tools/arch/s390/include/uapi/asm/kvm.h b/tools/arch/s390/include/uapi/asm/kvm.h
index 7a6b14874d65..a73cf01a1606 100644
--- a/tools/arch/s390/include/uapi/asm/kvm.h
+++ b/tools/arch/s390/include/uapi/asm/kvm.h
@@ -74,6 +74,7 @@ struct kvm_s390_io_adapter_req {
#define KVM_S390_VM_CRYPTO 2
#define KVM_S390_VM_CPU_MODEL 3
#define KVM_S390_VM_MIGRATION 4
+#define KVM_S390_VM_CPU_TOPOLOGY 5
/* kvm attributes for mem_ctrl */
#define KVM_S390_VM_MEM_ENABLE_CMMA 0
diff --git a/tools/arch/x86/include/asm/amd-ibs.h b/tools/arch/x86/include/asm/amd-ibs.h
index 765e9e752d03..93807b437e4d 100644
--- a/tools/arch/x86/include/asm/amd-ibs.h
+++ b/tools/arch/x86/include/asm/amd-ibs.h
@@ -6,6 +6,22 @@
#include "msr-index.h"
+/* IBS_OP_DATA2 DataSrc */
+#define IBS_DATA_SRC_LOC_CACHE 2
+#define IBS_DATA_SRC_DRAM 3
+#define IBS_DATA_SRC_REM_CACHE 4
+#define IBS_DATA_SRC_IO 7
+
+/* IBS_OP_DATA2 DataSrc Extension */
+#define IBS_DATA_SRC_EXT_LOC_CACHE 1
+#define IBS_DATA_SRC_EXT_NEAR_CCX_CACHE 2
+#define IBS_DATA_SRC_EXT_DRAM 3
+#define IBS_DATA_SRC_EXT_FAR_CCX_CACHE 5
+#define IBS_DATA_SRC_EXT_PMEM 6
+#define IBS_DATA_SRC_EXT_IO 7
+#define IBS_DATA_SRC_EXT_EXT_MEM 8
+#define IBS_DATA_SRC_EXT_PEER_AGENT_MEM 12
+
/*
* IBS Hardware MSRs
*/
@@ -29,7 +45,10 @@ union ibs_fetch_ctl {
rand_en:1, /* 57: random tagging enable */
fetch_l2_miss:1,/* 58: L2 miss for sampled fetch
* (needs IbsFetchComp) */
- reserved:5; /* 59-63: reserved */
+ l3_miss_only:1, /* 59: Collect L3 miss samples only */
+ fetch_oc_miss:1,/* 60: Op cache miss for the sampled fetch */
+ fetch_l3_miss:1,/* 61: L3 cache miss for the sampled fetch */
+ reserved:2; /* 62-63: reserved */
};
};
@@ -38,14 +57,14 @@ union ibs_op_ctl {
__u64 val;
struct {
__u64 opmaxcnt:16, /* 0-15: periodic op max. count */
- reserved0:1, /* 16: reserved */
+ l3_miss_only:1, /* 16: Collect L3 miss samples only */
op_en:1, /* 17: op sampling enable */
op_val:1, /* 18: op sample valid */
cnt_ctl:1, /* 19: periodic op counter control */
opmaxcnt_ext:7, /* 20-26: upper 7 bits of periodic op maximum count */
- reserved1:5, /* 27-31: reserved */
+ reserved0:5, /* 27-31: reserved */
opcurcnt:27, /* 32-58: periodic op counter current count */
- reserved2:5; /* 59-63: reserved */
+ reserved1:5; /* 59-63: reserved */
};
};
@@ -71,11 +90,12 @@ union ibs_op_data {
union ibs_op_data2 {
__u64 val;
struct {
- __u64 data_src:3, /* 0-2: data source */
+ __u64 data_src_lo:3, /* 0-2: data source low */
reserved0:1, /* 3: reserved */
rmt_node:1, /* 4: destination node */
cache_hit_st:1, /* 5: cache hit state */
- reserved1:57; /* 5-63: reserved */
+ data_src_hi:2, /* 6-7: data source high */
+ reserved1:56; /* 8-63: reserved */
};
};
diff --git a/tools/arch/x86/include/asm/cpufeatures.h b/tools/arch/x86/include/asm/cpufeatures.h
index 00f5227c8459..b71f4f2ecdd5 100644
--- a/tools/arch/x86/include/asm/cpufeatures.h
+++ b/tools/arch/x86/include/asm/cpufeatures.h
@@ -96,7 +96,7 @@
#define X86_FEATURE_SYSCALL32 ( 3*32+14) /* "" syscall in IA32 userspace */
#define X86_FEATURE_SYSENTER32 ( 3*32+15) /* "" sysenter in IA32 userspace */
#define X86_FEATURE_REP_GOOD ( 3*32+16) /* REP microcode works well */
-/* FREE! ( 3*32+17) */
+#define X86_FEATURE_AMD_LBR_V2 ( 3*32+17) /* AMD Last Branch Record Extension Version 2 */
#define X86_FEATURE_LFENCE_RDTSC ( 3*32+18) /* "" LFENCE synchronizes RDTSC */
#define X86_FEATURE_ACC_POWER ( 3*32+19) /* AMD Accumulated Power Mechanism */
#define X86_FEATURE_NOPL ( 3*32+20) /* The NOPL (0F 1F) instructions */
@@ -219,7 +219,7 @@
#define X86_FEATURE_IBRS ( 7*32+25) /* Indirect Branch Restricted Speculation */
#define X86_FEATURE_IBPB ( 7*32+26) /* Indirect Branch Prediction Barrier */
#define X86_FEATURE_STIBP ( 7*32+27) /* Single Thread Indirect Branch Predictors */
-#define X86_FEATURE_ZEN ( 7*32+28) /* "" CPU is AMD family 0x17 or above (Zen) */
+#define X86_FEATURE_ZEN (7*32+28) /* "" CPU based on Zen microarchitecture */
#define X86_FEATURE_L1TF_PTEINV ( 7*32+29) /* "" L1TF workaround PTE inversion */
#define X86_FEATURE_IBRS_ENHANCED ( 7*32+30) /* Enhanced IBRS */
#define X86_FEATURE_MSR_IA32_FEAT_CTL ( 7*32+31) /* "" MSR IA32_FEAT_CTL configured */
@@ -302,6 +302,8 @@
#define X86_FEATURE_RETPOLINE_LFENCE (11*32+13) /* "" Use LFENCE for Spectre variant 2 */
#define X86_FEATURE_RETHUNK (11*32+14) /* "" Use REturn THUNK */
#define X86_FEATURE_UNRET (11*32+15) /* "" AMD BTB untrain return */
+#define X86_FEATURE_USE_IBPB_FW (11*32+16) /* "" Use IBPB during runtime firmware calls */
+#define X86_FEATURE_RSB_VMEXIT_LITE (11*32+17) /* "" Fill RSB on VM exit when EIBRS is enabled */
/* Intel-defined CPU features, CPUID level 0x00000007:1 (EAX), word 12 */
#define X86_FEATURE_AVX_VNNI (12*32+ 4) /* AVX VNNI instructions */
@@ -352,6 +354,7 @@
#define X86_FEATURE_AVIC (15*32+13) /* Virtual Interrupt Controller */
#define X86_FEATURE_V_VMSAVE_VMLOAD (15*32+15) /* Virtual VMSAVE VMLOAD */
#define X86_FEATURE_VGIF (15*32+16) /* Virtual GIF */
+#define X86_FEATURE_X2AVIC (15*32+18) /* Virtual x2apic */
#define X86_FEATURE_V_SPEC_CTRL (15*32+20) /* Virtual SPEC_CTRL */
#define X86_FEATURE_SVME_ADDR_CHK (15*32+28) /* "" SVME addr check */
@@ -454,6 +457,8 @@
#define X86_BUG_ITLB_MULTIHIT X86_BUG(23) /* CPU may incur MCE during certain page attribute changes */
#define X86_BUG_SRBDS X86_BUG(24) /* CPU may leak RNG bits if not mitigated */
#define X86_BUG_MMIO_STALE_DATA X86_BUG(25) /* CPU is affected by Processor MMIO Stale Data vulnerabilities */
-#define X86_BUG_RETBLEED X86_BUG(26) /* CPU is affected by RETBleed */
+#define X86_BUG_MMIO_UNKNOWN X86_BUG(26) /* CPU is too old and its MMIO Stale Data status is unknown */
+#define X86_BUG_RETBLEED X86_BUG(27) /* CPU is affected by RETBleed */
+#define X86_BUG_EIBRS_PBRSB X86_BUG(28) /* EIBRS is vulnerable to Post Barrier RSB Predictions */
#endif /* _ASM_X86_CPUFEATURES_H */
diff --git a/tools/arch/x86/include/asm/msr-index.h b/tools/arch/x86/include/asm/msr-index.h
index cc615be27a54..10ac52705892 100644
--- a/tools/arch/x86/include/asm/msr-index.h
+++ b/tools/arch/x86/include/asm/msr-index.h
@@ -150,6 +150,15 @@
* are restricted to targets in
* kernel.
*/
+#define ARCH_CAP_PBRSB_NO BIT(24) /*
+ * Not susceptible to Post-Barrier
+ * Return Stack Buffer Predictions.
+ */
+
+#define ARCH_CAP_XAPIC_DISABLE BIT(21) /*
+ * IA32_XAPIC_DISABLE_STATUS MSR
+ * supported
+ */
#define MSR_IA32_FLUSH_CMD 0x0000010b
#define L1D_FLUSH BIT(0) /*
@@ -231,6 +240,12 @@
#define PERF_CAP_PT_IDX 16
#define MSR_PEBS_LD_LAT_THRESHOLD 0x000003f6
+#define PERF_CAP_PEBS_TRAP BIT_ULL(6)
+#define PERF_CAP_ARCH_REG BIT_ULL(7)
+#define PERF_CAP_PEBS_FORMAT 0xf00
+#define PERF_CAP_PEBS_BASELINE BIT_ULL(14)
+#define PERF_CAP_PEBS_MASK (PERF_CAP_PEBS_TRAP | PERF_CAP_ARCH_REG | \
+ PERF_CAP_PEBS_FORMAT | PERF_CAP_PEBS_BASELINE)
#define MSR_IA32_RTIT_CTL 0x00000570
#define RTIT_CTL_TRACEEN BIT(0)
@@ -388,6 +403,7 @@
#define MSR_TURBO_ACTIVATION_RATIO 0x0000064C
#define MSR_PLATFORM_ENERGY_STATUS 0x0000064D
+#define MSR_SECONDARY_TURBO_RATIO_LIMIT 0x00000650
#define MSR_PKG_WEIGHTED_CORE_C0_RES 0x00000658
#define MSR_PKG_ANY_CORE_C0_RES 0x00000659
@@ -574,6 +590,9 @@
#define MSR_AMD64_PERF_CNTR_GLOBAL_CTL 0xc0000301
#define MSR_AMD64_PERF_CNTR_GLOBAL_STATUS_CLR 0xc0000302
+/* AMD Last Branch Record MSRs */
+#define MSR_AMD64_LBR_SELECT 0xc000010e
+
/* Fam 17h MSRs */
#define MSR_F17H_IRPERF 0xc00000e9
@@ -745,6 +764,8 @@
#define MSR_AMD_DBG_EXTN_CFG 0xc000010f
#define MSR_AMD_SAMP_BR_FROM 0xc0010300
+#define DBG_EXTN_CFG_LBRV2EN BIT_ULL(6)
+
#define MSR_IA32_MPERF 0x000000e7
#define MSR_IA32_APERF 0x000000e8
@@ -1018,6 +1039,7 @@
#define MSR_IA32_VMX_TRUE_EXIT_CTLS 0x0000048f
#define MSR_IA32_VMX_TRUE_ENTRY_CTLS 0x00000490
#define MSR_IA32_VMX_VMFUNC 0x00000491
+#define MSR_IA32_VMX_PROCBASED_CTLS3 0x00000492
/* VMX_BASIC bits and bitmasks */
#define VMX_BASIC_VMCS_SIZE_SHIFT 32
@@ -1042,4 +1064,12 @@
#define MSR_IA32_HW_FEEDBACK_PTR 0x17d0
#define MSR_IA32_HW_FEEDBACK_CONFIG 0x17d1
+/* x2APIC locked status */
+#define MSR_IA32_XAPIC_DISABLE_STATUS 0xBD
+#define LEGACY_XAPIC_DISABLED BIT(0) /*
+ * x2APIC mode is locked and
+ * disabling x2APIC will cause
+ * a #GP
+ */
+
#endif /* _ASM_X86_MSR_INDEX_H */
diff --git a/tools/arch/x86/include/asm/rmwcc.h b/tools/arch/x86/include/asm/rmwcc.h
index fee7983a90b4..11ff975242ca 100644
--- a/tools/arch/x86/include/asm/rmwcc.h
+++ b/tools/arch/x86/include/asm/rmwcc.h
@@ -2,8 +2,6 @@
#ifndef _TOOLS_LINUX_ASM_X86_RMWcc
#define _TOOLS_LINUX_ASM_X86_RMWcc
-#ifdef CONFIG_CC_HAS_ASM_GOTO
-
#define __GEN_RMWcc(fullop, var, cc, ...) \
do { \
asm_volatile_goto (fullop "; j" cc " %l[cc_label]" \
@@ -20,23 +18,4 @@ cc_label: \
#define GEN_BINARY_RMWcc(op, var, vcon, val, arg0, cc) \
__GEN_RMWcc(op " %1, " arg0, var, cc, vcon (val))
-#else /* !CONFIG_CC_HAS_ASM_GOTO */
-
-#define __GEN_RMWcc(fullop, var, cc, ...) \
-do { \
- char c; \
- asm volatile (fullop "; set" cc " %1" \
- : "+m" (var), "=qm" (c) \
- : __VA_ARGS__ : "memory"); \
- return c != 0; \
-} while (0)
-
-#define GEN_UNARY_RMWcc(op, var, arg0, cc) \
- __GEN_RMWcc(op " " arg0, var, cc)
-
-#define GEN_BINARY_RMWcc(op, var, vcon, val, arg0, cc) \
- __GEN_RMWcc(op " %2, " arg0, var, cc, vcon (val))
-
-#endif /* CONFIG_CC_HAS_ASM_GOTO */
-
#endif /* _TOOLS_LINUX_ASM_X86_RMWcc */
diff --git a/tools/arch/x86/include/uapi/asm/kvm.h b/tools/arch/x86/include/uapi/asm/kvm.h
index 21614807a2cb..46de10a809ec 100644
--- a/tools/arch/x86/include/uapi/asm/kvm.h
+++ b/tools/arch/x86/include/uapi/asm/kvm.h
@@ -198,13 +198,13 @@ struct kvm_msrs {
__u32 nmsrs; /* number of msrs in entries */
__u32 pad;
- struct kvm_msr_entry entries[0];
+ struct kvm_msr_entry entries[];
};
/* for KVM_GET_MSR_INDEX_LIST */
struct kvm_msr_list {
__u32 nmsrs; /* number of msrs in entries */
- __u32 indices[0];
+ __u32 indices[];
};
/* Maximum size of any access bitmap in bytes */
@@ -241,7 +241,7 @@ struct kvm_cpuid_entry {
struct kvm_cpuid {
__u32 nent;
__u32 padding;
- struct kvm_cpuid_entry entries[0];
+ struct kvm_cpuid_entry entries[];
};
struct kvm_cpuid_entry2 {
@@ -263,7 +263,7 @@ struct kvm_cpuid_entry2 {
struct kvm_cpuid2 {
__u32 nent;
__u32 padding;
- struct kvm_cpuid_entry2 entries[0];
+ struct kvm_cpuid_entry2 entries[];
};
/* for KVM_GET_PIT and KVM_SET_PIT */
@@ -306,7 +306,8 @@ struct kvm_pit_state {
struct kvm_pit_channel_state channels[3];
};
-#define KVM_PIT_FLAGS_HPET_LEGACY 0x00000001
+#define KVM_PIT_FLAGS_HPET_LEGACY 0x00000001
+#define KVM_PIT_FLAGS_SPEAKER_DATA_ON 0x00000002
struct kvm_pit_state2 {
struct kvm_pit_channel_state channels[3];
@@ -325,6 +326,7 @@ struct kvm_reinject_control {
#define KVM_VCPUEVENT_VALID_SHADOW 0x00000004
#define KVM_VCPUEVENT_VALID_SMM 0x00000008
#define KVM_VCPUEVENT_VALID_PAYLOAD 0x00000010
+#define KVM_VCPUEVENT_VALID_TRIPLE_FAULT 0x00000020
/* Interrupt shadow states */
#define KVM_X86_SHADOW_INT_MOV_SS 0x01
@@ -359,7 +361,10 @@ struct kvm_vcpu_events {
__u8 smm_inside_nmi;
__u8 latched_init;
} smi;
- __u8 reserved[27];
+ struct {
+ __u8 pending;
+ } triple_fault;
+ __u8 reserved[26];
__u8 exception_has_payload;
__u64 exception_payload;
};
@@ -389,7 +394,7 @@ struct kvm_xsave {
* the contents of CPUID leaf 0xD on the host.
*/
__u32 region[1024];
- __u32 extra[0];
+ __u32 extra[];
};
#define KVM_MAX_XCRS 16
@@ -434,6 +439,7 @@ struct kvm_sync_regs {
#define KVM_X86_QUIRK_OUT_7E_INC_RIP (1 << 3)
#define KVM_X86_QUIRK_MISC_ENABLE_NO_MWAIT (1 << 4)
#define KVM_X86_QUIRK_FIX_HYPERCALL_INSN (1 << 5)
+#define KVM_X86_QUIRK_MWAIT_NEVER_UD_FAULTS (1 << 6)
#define KVM_STATE_NESTED_FORMAT_VMX 0
#define KVM_STATE_NESTED_FORMAT_SVM 1
@@ -516,7 +522,7 @@ struct kvm_pmu_event_filter {
__u32 fixed_counter_bitmap;
__u32 flags;
__u32 pad[4];
- __u64 events[0];
+ __u64 events[];
};
#define KVM_PMU_EVENT_ALLOW 0
diff --git a/tools/arch/x86/include/uapi/asm/vmx.h b/tools/arch/x86/include/uapi/asm/vmx.h
index 946d761adbd3..a5faf6d88f1b 100644
--- a/tools/arch/x86/include/uapi/asm/vmx.h
+++ b/tools/arch/x86/include/uapi/asm/vmx.h
@@ -91,6 +91,7 @@
#define EXIT_REASON_UMWAIT 67
#define EXIT_REASON_TPAUSE 68
#define EXIT_REASON_BUS_LOCK 74
+#define EXIT_REASON_NOTIFY 75
#define VMX_EXIT_REASONS \
{ EXIT_REASON_EXCEPTION_NMI, "EXCEPTION_NMI" }, \
@@ -153,7 +154,8 @@
{ EXIT_REASON_XRSTORS, "XRSTORS" }, \
{ EXIT_REASON_UMWAIT, "UMWAIT" }, \
{ EXIT_REASON_TPAUSE, "TPAUSE" }, \
- { EXIT_REASON_BUS_LOCK, "BUS_LOCK" }
+ { EXIT_REASON_BUS_LOCK, "BUS_LOCK" }, \
+ { EXIT_REASON_NOTIFY, "NOTIFY" }
#define VMX_EXIT_REASON_FLAGS \
{ VMX_EXIT_REASONS_FAILED_VMENTRY, "FAILED_VMENTRY" }
diff --git a/tools/arch/x86/lib/memcpy_64.S b/tools/arch/x86/lib/memcpy_64.S
index d0d7b9bc6cad..5418e2f99834 100644
--- a/tools/arch/x86/lib/memcpy_64.S
+++ b/tools/arch/x86/lib/memcpy_64.S
@@ -27,7 +27,7 @@
* Output:
* rax original destination
*/
-SYM_FUNC_START(__memcpy)
+SYM_TYPED_FUNC_START(__memcpy)
ALTERNATIVE_2 "jmp memcpy_orig", "", X86_FEATURE_REP_GOOD, \
"jmp memcpy_erms", X86_FEATURE_ERMS
diff --git a/tools/bpf/Makefile b/tools/bpf/Makefile
index b11cfc86a3d0..243b79f2b451 100644
--- a/tools/bpf/Makefile
+++ b/tools/bpf/Makefile
@@ -34,8 +34,8 @@ else
endif
FEATURE_USER = .bpf
-FEATURE_TESTS = libbfd disassembler-four-args
-FEATURE_DISPLAY = libbfd disassembler-four-args
+FEATURE_TESTS = libbfd disassembler-four-args disassembler-init-styled
+FEATURE_DISPLAY = libbfd
check_feat := 1
NON_CHECK_FEAT_TARGETS := clean bpftool_clean runqslower_clean resolve_btfids_clean
@@ -56,6 +56,9 @@ endif
ifeq ($(feature-disassembler-four-args), 1)
CFLAGS += -DDISASM_FOUR_ARGS_SIGNATURE
endif
+ifeq ($(feature-disassembler-init-styled), 1)
+CFLAGS += -DDISASM_INIT_STYLED
+endif
$(OUTPUT)%.yacc.c: $(srctree)/tools/bpf/%.y
$(QUIET_BISON)$(YACC) -o $@ -d $<
diff --git a/tools/bpf/bpf_jit_disasm.c b/tools/bpf/bpf_jit_disasm.c
index c8ae95804728..a90a5d110f92 100644
--- a/tools/bpf/bpf_jit_disasm.c
+++ b/tools/bpf/bpf_jit_disasm.c
@@ -28,6 +28,7 @@
#include <sys/types.h>
#include <sys/stat.h>
#include <limits.h>
+#include <tools/dis-asm-compat.h>
#define CMD_ACTION_SIZE_BUFFER 10
#define CMD_ACTION_READ_ALL 3
@@ -64,7 +65,9 @@ static void get_asm_insns(uint8_t *image, size_t len, int opcodes)
assert(bfdf);
assert(bfd_check_format(bfdf, bfd_object));
- init_disassemble_info(&info, stdout, (fprintf_ftype) fprintf);
+ init_disassemble_info_compat(&info, stdout,
+ (fprintf_ftype) fprintf,
+ fprintf_styled);
info.arch = bfd_get_arch(bfdf);
info.mach = bfd_get_mach(bfdf);
info.buffer = image;
diff --git a/tools/bpf/bpftool/Documentation/bpftool-cgroup.rst b/tools/bpf/bpftool/Documentation/bpftool-cgroup.rst
index a17e9aa314fd..bd015ec9847b 100644
--- a/tools/bpf/bpftool/Documentation/bpftool-cgroup.rst
+++ b/tools/bpf/bpftool/Documentation/bpftool-cgroup.rst
@@ -31,11 +31,17 @@ CGROUP COMMANDS
| **bpftool** **cgroup help**
|
| *PROG* := { **id** *PROG_ID* | **pinned** *FILE* | **tag** *PROG_TAG* }
-| *ATTACH_TYPE* := { **ingress** | **egress** | **sock_create** | **sock_ops** | **device** |
-| **bind4** | **bind6** | **post_bind4** | **post_bind6** | **connect4** | **connect6** |
-| **getpeername4** | **getpeername6** | **getsockname4** | **getsockname6** | **sendmsg4** |
-| **sendmsg6** | **recvmsg4** | **recvmsg6** | **sysctl** | **getsockopt** | **setsockopt** |
-| **sock_release** }
+| *ATTACH_TYPE* := { **cgroup_inet_ingress** | **cgroup_inet_egress** |
+| **cgroup_inet_sock_create** | **cgroup_sock_ops** |
+| **cgroup_device** | **cgroup_inet4_bind** | **cgroup_inet6_bind** |
+| **cgroup_inet4_post_bind** | **cgroup_inet6_post_bind** |
+| **cgroup_inet4_connect** | **cgroup_inet6_connect** |
+| **cgroup_inet4_getpeername** | **cgroup_inet6_getpeername** |
+| **cgroup_inet4_getsockname** | **cgroup_inet6_getsockname** |
+| **cgroup_udp4_sendmsg** | **cgroup_udp6_sendmsg** |
+| **cgroup_udp4_recvmsg** | **cgroup_udp6_recvmsg** |
+| **cgroup_sysctl** | **cgroup_getsockopt** | **cgroup_setsockopt** |
+| **cgroup_inet_sock_release** }
| *ATTACH_FLAGS* := { **multi** | **override** }
DESCRIPTION
diff --git a/tools/bpf/bpftool/Documentation/bpftool-feature.rst b/tools/bpf/bpftool/Documentation/bpftool-feature.rst
index 4ce9a77bc1e0..e44039f89be7 100644
--- a/tools/bpf/bpftool/Documentation/bpftool-feature.rst
+++ b/tools/bpf/bpftool/Documentation/bpftool-feature.rst
@@ -24,9 +24,11 @@ FEATURE COMMANDS
================
| **bpftool** **feature probe** [*COMPONENT*] [**full**] [**unprivileged**] [**macros** [**prefix** *PREFIX*]]
+| **bpftool** **feature list_builtins** *GROUP*
| **bpftool** **feature help**
|
| *COMPONENT* := { **kernel** | **dev** *NAME* }
+| *GROUP* := { **prog_types** | **map_types** | **attach_types** | **link_types** | **helpers** }
DESCRIPTION
===========
@@ -70,6 +72,16 @@ DESCRIPTION
The keywords **full**, **macros** and **prefix** have the
same role as when probing the kernel.
+ **bpftool feature list_builtins** *GROUP*
+ List items known to bpftool. These can be BPF program types
+ (**prog_types**), BPF map types (**map_types**), attach types
+ (**attach_types**), link types (**link_types**), or BPF helper
+ functions (**helpers**). The command does not probe the system, but
+ simply lists the elements that bpftool knows from compilation time,
+ as provided from libbpf (for all object types) or from the BPF UAPI
+ header (list of helpers). This can be used in scripts to iterate over
+ BPF types or helpers.
+
**bpftool feature help**
Print short help message.
diff --git a/tools/bpf/bpftool/Documentation/bpftool-map.rst b/tools/bpf/bpftool/Documentation/bpftool-map.rst
index 7c188a598444..7f3b67a8b48f 100644
--- a/tools/bpf/bpftool/Documentation/bpftool-map.rst
+++ b/tools/bpf/bpftool/Documentation/bpftool-map.rst
@@ -55,7 +55,7 @@ MAP COMMANDS
| | **devmap** | **devmap_hash** | **sockmap** | **cpumap** | **xskmap** | **sockhash**
| | **cgroup_storage** | **reuseport_sockarray** | **percpu_cgroup_storage**
| | **queue** | **stack** | **sk_storage** | **struct_ops** | **ringbuf** | **inode_storage**
-| | **task_storage** | **bloom_filter** }
+| | **task_storage** | **bloom_filter** | **user_ringbuf** }
DESCRIPTION
===========
diff --git a/tools/bpf/bpftool/Documentation/bpftool-prog.rst b/tools/bpf/bpftool/Documentation/bpftool-prog.rst
index a2e9359e554c..eb1b2a254eb1 100644
--- a/tools/bpf/bpftool/Documentation/bpftool-prog.rst
+++ b/tools/bpf/bpftool/Documentation/bpftool-prog.rst
@@ -53,8 +53,9 @@ PROG COMMANDS
| **cgroup/getsockopt** | **cgroup/setsockopt** | **cgroup/sock_release** |
| **struct_ops** | **fentry** | **fexit** | **freplace** | **sk_lookup**
| }
-| *ATTACH_TYPE* := {
-| **msg_verdict** | **skb_verdict** | **stream_verdict** | **stream_parser** | **flow_dissector**
+| *ATTACH_TYPE* := {
+| **sk_msg_verdict** | **sk_skb_verdict** | **sk_skb_stream_verdict** |
+| **sk_skb_stream_parser** | **flow_dissector**
| }
| *METRICs* := {
| **cycles** | **instructions** | **l1d_loads** | **llc_misses** |
diff --git a/tools/bpf/bpftool/Makefile b/tools/bpf/bpftool/Makefile
index c6d2c77d0252..4a95c017ad4c 100644
--- a/tools/bpf/bpftool/Makefile
+++ b/tools/bpf/bpftool/Makefile
@@ -53,7 +53,7 @@ $(LIBBPF_INTERNAL_HDRS): $(LIBBPF_HDRS_DIR)/%.h: $(BPF_DIR)/%.h | $(LIBBPF_HDRS_
$(LIBBPF_BOOTSTRAP): $(wildcard $(BPF_DIR)/*.[ch] $(BPF_DIR)/Makefile) | $(LIBBPF_BOOTSTRAP_OUTPUT)
$(Q)$(MAKE) -C $(BPF_DIR) OUTPUT=$(LIBBPF_BOOTSTRAP_OUTPUT) \
DESTDIR=$(LIBBPF_BOOTSTRAP_DESTDIR:/=) prefix= \
- ARCH= CROSS_COMPILE= CC=$(HOSTCC) LD=$(HOSTLD) $@ install_headers
+ ARCH= CROSS_COMPILE= CC=$(HOSTCC) LD=$(HOSTLD) AR=$(HOSTAR) $@ install_headers
$(LIBBPF_BOOTSTRAP_INTERNAL_HDRS): $(LIBBPF_BOOTSTRAP_HDRS_DIR)/%.h: $(BPF_DIR)/%.h | $(LIBBPF_BOOTSTRAP_HDRS_DIR)
$(call QUIET_INSTALL, $@)
@@ -93,10 +93,11 @@ INSTALL ?= install
RM ?= rm -f
FEATURE_USER = .bpftool
-FEATURE_TESTS = libbfd disassembler-four-args zlib libcap \
- clang-bpf-co-re
-FEATURE_DISPLAY = libbfd disassembler-four-args zlib libcap \
+FEATURE_TESTS = libbfd libbfd-liberty libbfd-liberty-z \
+ disassembler-four-args disassembler-init-styled libcap \
clang-bpf-co-re
+FEATURE_DISPLAY = libbfd libbfd-liberty libbfd-liberty-z \
+ libcap clang-bpf-co-re
check_feat := 1
NON_CHECK_FEAT_TARGETS := clean uninstall doc doc-clean doc-install doc-uninstall
@@ -117,6 +118,9 @@ endif
ifeq ($(feature-disassembler-four-args), 1)
CFLAGS += -DDISASM_FOUR_ARGS_SIGNATURE
endif
+ifeq ($(feature-disassembler-init-styled), 1)
+ CFLAGS += -DDISASM_INIT_STYLED
+endif
LIBS = $(LIBBPF) -lelf -lz
LIBS_BOOTSTRAP = $(LIBBPF_BOOTSTRAP) -lelf -lz
@@ -204,11 +208,6 @@ $(BOOTSTRAP_OUTPUT)disasm.o: $(srctree)/kernel/bpf/disasm.c
$(OUTPUT)disasm.o: $(srctree)/kernel/bpf/disasm.c
$(QUIET_CC)$(CC) $(CFLAGS) -c -MMD $< -o $@
-$(OUTPUT)feature.o:
-ifneq ($(feature-zlib), 1)
- $(error "No zlib found")
-endif
-
$(BPFTOOL_BOOTSTRAP): $(BOOTSTRAP_OBJS) $(LIBBPF_BOOTSTRAP)
$(QUIET_LINK)$(HOSTCC) $(HOST_CFLAGS) $(LDFLAGS) $(BOOTSTRAP_OBJS) $(LIBS_BOOTSTRAP) -o $@
diff --git a/tools/bpf/bpftool/bash-completion/bpftool b/tools/bpf/bpftool/bash-completion/bpftool
index 5df8d72c5179..dc1641e3670e 100644
--- a/tools/bpf/bpftool/bash-completion/bpftool
+++ b/tools/bpf/bpftool/bash-completion/bpftool
@@ -407,8 +407,8 @@ _bpftool()
return 0
;;
5)
- local BPFTOOL_PROG_ATTACH_TYPES='msg_verdict \
- skb_verdict stream_verdict stream_parser \
+ local BPFTOOL_PROG_ATTACH_TYPES='sk_msg_verdict \
+ sk_skb_verdict sk_skb_stream_verdict sk_skb_stream_parser \
flow_dissector'
COMPREPLY=( $( compgen -W "$BPFTOOL_PROG_ATTACH_TYPES" -- "$cur" ) )
return 0
@@ -703,15 +703,8 @@ _bpftool()
return 0
;;
type)
- local BPFTOOL_MAP_CREATE_TYPES='hash array \
- prog_array perf_event_array percpu_hash \
- percpu_array stack_trace cgroup_array lru_hash \
- lru_percpu_hash lpm_trie array_of_maps \
- hash_of_maps devmap devmap_hash sockmap cpumap \
- xskmap sockhash cgroup_storage reuseport_sockarray \
- percpu_cgroup_storage queue stack sk_storage \
- struct_ops ringbuf inode_storage task_storage \
- bloom_filter'
+ local BPFTOOL_MAP_CREATE_TYPES="$(bpftool feature list_builtins map_types 2>/dev/null | \
+ grep -v '^unspec$')"
COMPREPLY=( $( compgen -W "$BPFTOOL_MAP_CREATE_TYPES" -- "$cur" ) )
return 0
;;
@@ -1039,12 +1032,8 @@ _bpftool()
return 0
;;
attach|detach)
- local BPFTOOL_CGROUP_ATTACH_TYPES='ingress egress \
- sock_create sock_ops device \
- bind4 bind6 post_bind4 post_bind6 connect4 connect6 \
- getpeername4 getpeername6 getsockname4 getsockname6 \
- sendmsg4 sendmsg6 recvmsg4 recvmsg6 sysctl getsockopt \
- setsockopt sock_release'
+ local BPFTOOL_CGROUP_ATTACH_TYPES="$(bpftool feature list_builtins attach_types 2>/dev/null | \
+ grep '^cgroup_')"
local ATTACH_FLAGS='multi override'
local PROG_TYPE='id pinned tag name'
# Check for $prev = $command first
@@ -1173,9 +1162,14 @@ _bpftool()
_bpftool_once_attr 'full unprivileged'
return 0
;;
+ list_builtins)
+ [[ $prev != "$command" ]] && return 0
+ COMPREPLY=( $( compgen -W 'prog_types map_types \
+ attach_types link_types helpers' -- "$cur" ) )
+ ;;
*)
[[ $prev == $object ]] && \
- COMPREPLY=( $( compgen -W 'help probe' -- "$cur" ) )
+ COMPREPLY=( $( compgen -W 'help list_builtins probe' -- "$cur" ) )
;;
esac
;;
diff --git a/tools/bpf/bpftool/btf.c b/tools/bpf/bpftool/btf.c
index 7e6accb9d9f7..68a70ac03c80 100644
--- a/tools/bpf/bpftool/btf.c
+++ b/tools/bpf/bpftool/btf.c
@@ -40,11 +40,7 @@ static const char * const btf_kind_str[NR_BTF_KINDS] = {
[BTF_KIND_FLOAT] = "FLOAT",
[BTF_KIND_DECL_TAG] = "DECL_TAG",
[BTF_KIND_TYPE_TAG] = "TYPE_TAG",
-};
-
-struct btf_attach_point {
- __u32 obj_id;
- __u32 btf_id;
+ [BTF_KIND_ENUM64] = "ENUM64",
};
static const char *btf_int_enc_str(__u8 encoding)
@@ -212,26 +208,76 @@ static int dump_btf_type(const struct btf *btf, __u32 id,
case BTF_KIND_ENUM: {
const struct btf_enum *v = (const void *)(t + 1);
__u16 vlen = BTF_INFO_VLEN(t->info);
+ const char *encoding;
int i;
+ encoding = btf_kflag(t) ? "SIGNED" : "UNSIGNED";
if (json_output) {
+ jsonw_string_field(w, "encoding", encoding);
jsonw_uint_field(w, "size", t->size);
jsonw_uint_field(w, "vlen", vlen);
jsonw_name(w, "values");
jsonw_start_array(w);
} else {
- printf(" size=%u vlen=%u", t->size, vlen);
+ printf(" encoding=%s size=%u vlen=%u", encoding, t->size, vlen);
+ }
+ for (i = 0; i < vlen; i++, v++) {
+ const char *name = btf_str(btf, v->name_off);
+
+ if (json_output) {
+ jsonw_start_object(w);
+ jsonw_string_field(w, "name", name);
+ if (btf_kflag(t))
+ jsonw_int_field(w, "val", v->val);
+ else
+ jsonw_uint_field(w, "val", v->val);
+ jsonw_end_object(w);
+ } else {
+ if (btf_kflag(t))
+ printf("\n\t'%s' val=%d", name, v->val);
+ else
+ printf("\n\t'%s' val=%u", name, v->val);
+ }
+ }
+ if (json_output)
+ jsonw_end_array(w);
+ break;
+ }
+ case BTF_KIND_ENUM64: {
+ const struct btf_enum64 *v = btf_enum64(t);
+ __u16 vlen = btf_vlen(t);
+ const char *encoding;
+ int i;
+
+ encoding = btf_kflag(t) ? "SIGNED" : "UNSIGNED";
+ if (json_output) {
+ jsonw_string_field(w, "encoding", encoding);
+ jsonw_uint_field(w, "size", t->size);
+ jsonw_uint_field(w, "vlen", vlen);
+ jsonw_name(w, "values");
+ jsonw_start_array(w);
+ } else {
+ printf(" encoding=%s size=%u vlen=%u", encoding, t->size, vlen);
}
for (i = 0; i < vlen; i++, v++) {
const char *name = btf_str(btf, v->name_off);
+ __u64 val = ((__u64)v->val_hi32 << 32) | v->val_lo32;
if (json_output) {
jsonw_start_object(w);
jsonw_string_field(w, "name", name);
- jsonw_uint_field(w, "val", v->val);
+ if (btf_kflag(t))
+ jsonw_int_field(w, "val", val);
+ else
+ jsonw_uint_field(w, "val", val);
jsonw_end_object(w);
} else {
- printf("\n\t'%s' val=%u", name, v->val);
+ if (btf_kflag(t))
+ printf("\n\t'%s' val=%lldLL", name,
+ (unsigned long long)val);
+ else
+ printf("\n\t'%s' val=%lluULL", name,
+ (unsigned long long)val);
}
}
if (json_output)
@@ -589,10 +635,9 @@ static int do_dump(int argc, char **argv)
btf = btf__parse_split(*argv, base ?: base_btf);
err = libbpf_get_error(btf);
- if (err) {
- btf = NULL;
+ if (!btf) {
p_err("failed to load BTF from %s: %s",
- *argv, strerror(err));
+ *argv, strerror(errno));
goto done;
}
NEXT_ARG();
@@ -637,8 +682,8 @@ static int do_dump(int argc, char **argv)
btf = btf__load_from_kernel_by_id_split(btf_id, base_btf);
err = libbpf_get_error(btf);
- if (err) {
- p_err("get btf by id (%u): %s", btf_id, strerror(err));
+ if (!btf) {
+ p_err("get btf by id (%u): %s", btf_id, strerror(errno));
goto done;
}
}
@@ -774,7 +819,7 @@ build_btf_type_table(struct hashmap *tab, enum bpf_obj_type type,
u32_as_hash_field(id));
if (err) {
p_err("failed to append entry to hashmap for BTF ID %u, object ID %u: %s",
- btf_id, id, strerror(errno));
+ btf_id, id, strerror(-err));
goto err_free;
}
}
diff --git a/tools/bpf/bpftool/btf_dumper.c b/tools/bpf/bpftool/btf_dumper.c
index f5dddf8ef404..19924b6ce796 100644
--- a/tools/bpf/bpftool/btf_dumper.c
+++ b/tools/bpf/bpftool/btf_dumper.c
@@ -182,6 +182,32 @@ static int btf_dumper_enum(const struct btf_dumper *d,
return 0;
}
+static int btf_dumper_enum64(const struct btf_dumper *d,
+ const struct btf_type *t,
+ const void *data)
+{
+ const struct btf_enum64 *enums = btf_enum64(t);
+ __u32 val_lo32, val_hi32;
+ __u64 value;
+ __u16 i;
+
+ value = *(__u64 *)data;
+ val_lo32 = (__u32)value;
+ val_hi32 = value >> 32;
+
+ for (i = 0; i < btf_vlen(t); i++) {
+ if (val_lo32 == enums[i].val_lo32 && val_hi32 == enums[i].val_hi32) {
+ jsonw_string(d->jw,
+ btf__name_by_offset(d->btf,
+ enums[i].name_off));
+ return 0;
+ }
+ }
+
+ jsonw_int(d->jw, value);
+ return 0;
+}
+
static bool is_str_array(const struct btf *btf, const struct btf_array *arr,
const char *s)
{
@@ -426,7 +452,7 @@ static int btf_dumper_int(const struct btf_type *t, __u8 bit_offset,
*(char *)data);
break;
case BTF_INT_BOOL:
- jsonw_bool(jw, *(int *)data);
+ jsonw_bool(jw, *(bool *)data);
break;
default:
/* shouldn't happen */
@@ -542,6 +568,8 @@ static int btf_dumper_do_type(const struct btf_dumper *d, __u32 type_id,
return btf_dumper_array(d, type_id, data);
case BTF_KIND_ENUM:
return btf_dumper_enum(d, t, data);
+ case BTF_KIND_ENUM64:
+ return btf_dumper_enum64(d, t, data);
case BTF_KIND_PTR:
btf_dumper_ptr(d, t, data);
return 0;
@@ -618,6 +646,7 @@ static int __btf_dumper_type_only(const struct btf *btf, __u32 type_id,
btf__name_by_offset(btf, t->name_off));
break;
case BTF_KIND_ENUM:
+ case BTF_KIND_ENUM64:
BTF_PRINT_ARG("enum %s ",
btf__name_by_offset(btf, t->name_off));
break;
diff --git a/tools/bpf/bpftool/cgroup.c b/tools/bpf/bpftool/cgroup.c
index effe136119d7..b46a998d8f8d 100644
--- a/tools/bpf/bpftool/cgroup.c
+++ b/tools/bpf/bpftool/cgroup.c
@@ -15,43 +15,92 @@
#include <unistd.h>
#include <bpf/bpf.h>
+#include <bpf/btf.h>
#include "main.h"
#define HELP_SPEC_ATTACH_FLAGS \
"ATTACH_FLAGS := { multi | override }"
-#define HELP_SPEC_ATTACH_TYPES \
- " ATTACH_TYPE := { ingress | egress | sock_create |\n" \
- " sock_ops | device | bind4 | bind6 |\n" \
- " post_bind4 | post_bind6 | connect4 |\n" \
- " connect6 | getpeername4 | getpeername6 |\n" \
- " getsockname4 | getsockname6 | sendmsg4 |\n" \
- " sendmsg6 | recvmsg4 | recvmsg6 |\n" \
- " sysctl | getsockopt | setsockopt |\n" \
- " sock_release }"
+#define HELP_SPEC_ATTACH_TYPES \
+ " ATTACH_TYPE := { cgroup_inet_ingress | cgroup_inet_egress |\n" \
+ " cgroup_inet_sock_create | cgroup_sock_ops |\n" \
+ " cgroup_device | cgroup_inet4_bind |\n" \
+ " cgroup_inet6_bind | cgroup_inet4_post_bind |\n" \
+ " cgroup_inet6_post_bind | cgroup_inet4_connect |\n" \
+ " cgroup_inet6_connect | cgroup_inet4_getpeername |\n" \
+ " cgroup_inet6_getpeername | cgroup_inet4_getsockname |\n" \
+ " cgroup_inet6_getsockname | cgroup_udp4_sendmsg |\n" \
+ " cgroup_udp6_sendmsg | cgroup_udp4_recvmsg |\n" \
+ " cgroup_udp6_recvmsg | cgroup_sysctl |\n" \
+ " cgroup_getsockopt | cgroup_setsockopt |\n" \
+ " cgroup_inet_sock_release }"
static unsigned int query_flags;
+static struct btf *btf_vmlinux;
+static __u32 btf_vmlinux_id;
static enum bpf_attach_type parse_attach_type(const char *str)
{
+ const char *attach_type_str;
enum bpf_attach_type type;
- for (type = 0; type < __MAX_BPF_ATTACH_TYPE; type++) {
- if (attach_type_name[type] &&
- is_prefix(str, attach_type_name[type]))
+ for (type = 0; ; type++) {
+ attach_type_str = libbpf_bpf_attach_type_str(type);
+ if (!attach_type_str)
+ break;
+ if (!strcmp(str, attach_type_str))
+ return type;
+ }
+
+ /* Also check traditionally used attach type strings. For these we keep
+ * allowing prefixed usage.
+ */
+ for (type = 0; ; type++) {
+ attach_type_str = bpf_attach_type_input_str(type);
+ if (!attach_type_str)
+ break;
+ if (is_prefix(str, attach_type_str))
return type;
}
return __MAX_BPF_ATTACH_TYPE;
}
+static void guess_vmlinux_btf_id(__u32 attach_btf_obj_id)
+{
+ struct bpf_btf_info btf_info = {};
+ __u32 btf_len = sizeof(btf_info);
+ char name[16] = {};
+ int err;
+ int fd;
+
+ btf_info.name = ptr_to_u64(name);
+ btf_info.name_len = sizeof(name);
+
+ fd = bpf_btf_get_fd_by_id(attach_btf_obj_id);
+ if (fd < 0)
+ return;
+
+ err = bpf_obj_get_info_by_fd(fd, &btf_info, &btf_len);
+ if (err)
+ goto out;
+
+ if (btf_info.kernel_btf && strncmp(name, "vmlinux", sizeof(name)) == 0)
+ btf_vmlinux_id = btf_info.id;
+
+out:
+ close(fd);
+}
+
static int show_bpf_prog(int id, enum bpf_attach_type attach_type,
const char *attach_flags_str,
int level)
{
char prog_name[MAX_PROG_FULL_NAME];
+ const char *attach_btf_name = NULL;
struct bpf_prog_info info = {};
+ const char *attach_type_str;
__u32 info_len = sizeof(info);
int prog_fd;
@@ -64,26 +113,53 @@ static int show_bpf_prog(int id, enum bpf_attach_type attach_type,
return -1;
}
+ attach_type_str = libbpf_bpf_attach_type_str(attach_type);
+
+ if (btf_vmlinux) {
+ if (!btf_vmlinux_id)
+ guess_vmlinux_btf_id(info.attach_btf_obj_id);
+
+ if (btf_vmlinux_id == info.attach_btf_obj_id &&
+ info.attach_btf_id < btf__type_cnt(btf_vmlinux)) {
+ const struct btf_type *t =
+ btf__type_by_id(btf_vmlinux, info.attach_btf_id);
+ attach_btf_name =
+ btf__name_by_offset(btf_vmlinux, t->name_off);
+ }
+ }
+
get_prog_full_name(&info, prog_fd, prog_name, sizeof(prog_name));
if (json_output) {
jsonw_start_object(json_wtr);
jsonw_uint_field(json_wtr, "id", info.id);
- if (attach_type < ARRAY_SIZE(attach_type_name))
- jsonw_string_field(json_wtr, "attach_type",
- attach_type_name[attach_type]);
+ if (attach_type_str)
+ jsonw_string_field(json_wtr, "attach_type", attach_type_str);
else
jsonw_uint_field(json_wtr, "attach_type", attach_type);
- jsonw_string_field(json_wtr, "attach_flags",
- attach_flags_str);
+ if (!(query_flags & BPF_F_QUERY_EFFECTIVE))
+ jsonw_string_field(json_wtr, "attach_flags", attach_flags_str);
jsonw_string_field(json_wtr, "name", prog_name);
+ if (attach_btf_name)
+ jsonw_string_field(json_wtr, "attach_btf_name", attach_btf_name);
+ jsonw_uint_field(json_wtr, "attach_btf_obj_id", info.attach_btf_obj_id);
+ jsonw_uint_field(json_wtr, "attach_btf_id", info.attach_btf_id);
jsonw_end_object(json_wtr);
} else {
printf("%s%-8u ", level ? " " : "", info.id);
- if (attach_type < ARRAY_SIZE(attach_type_name))
- printf("%-15s", attach_type_name[attach_type]);
+ if (attach_type_str)
+ printf("%-15s", attach_type_str);
else
printf("type %-10u", attach_type);
- printf(" %-15s %-15s\n", attach_flags_str, prog_name);
+ if (query_flags & BPF_F_QUERY_EFFECTIVE)
+ printf(" %-15s", prog_name);
+ else
+ printf(" %-15s %-15s", attach_flags_str, prog_name);
+ if (attach_btf_name)
+ printf(" %-15s", attach_btf_name);
+ else if (info.attach_btf_id)
+ printf(" attach_btf_obj_id=%d attach_btf_id=%d",
+ info.attach_btf_obj_id, info.attach_btf_id);
+ printf("\n");
}
close(prog_fd);
@@ -122,47 +198,90 @@ static int cgroup_has_attached_progs(int cgroup_fd)
return no_prog ? 0 : 1;
}
+
+static int show_effective_bpf_progs(int cgroup_fd, enum bpf_attach_type type,
+ int level)
+{
+ LIBBPF_OPTS(bpf_prog_query_opts, p);
+ __u32 prog_ids[1024] = {0};
+ __u32 iter;
+ int ret;
+
+ p.query_flags = query_flags;
+ p.prog_cnt = ARRAY_SIZE(prog_ids);
+ p.prog_ids = prog_ids;
+
+ ret = bpf_prog_query_opts(cgroup_fd, type, &p);
+ if (ret)
+ return ret;
+
+ if (p.prog_cnt == 0)
+ return 0;
+
+ for (iter = 0; iter < p.prog_cnt; iter++)
+ show_bpf_prog(prog_ids[iter], type, NULL, level);
+
+ return 0;
+}
+
static int show_attached_bpf_progs(int cgroup_fd, enum bpf_attach_type type,
int level)
{
+ LIBBPF_OPTS(bpf_prog_query_opts, p);
+ __u32 prog_attach_flags[1024] = {0};
const char *attach_flags_str;
__u32 prog_ids[1024] = {0};
- __u32 prog_cnt, iter;
- __u32 attach_flags;
char buf[32];
+ __u32 iter;
int ret;
- prog_cnt = ARRAY_SIZE(prog_ids);
- ret = bpf_prog_query(cgroup_fd, type, query_flags, &attach_flags,
- prog_ids, &prog_cnt);
+ p.query_flags = query_flags;
+ p.prog_cnt = ARRAY_SIZE(prog_ids);
+ p.prog_ids = prog_ids;
+ p.prog_attach_flags = prog_attach_flags;
+
+ ret = bpf_prog_query_opts(cgroup_fd, type, &p);
if (ret)
return ret;
- if (prog_cnt == 0)
+ if (p.prog_cnt == 0)
return 0;
- switch (attach_flags) {
- case BPF_F_ALLOW_MULTI:
- attach_flags_str = "multi";
- break;
- case BPF_F_ALLOW_OVERRIDE:
- attach_flags_str = "override";
- break;
- case 0:
- attach_flags_str = "";
- break;
- default:
- snprintf(buf, sizeof(buf), "unknown(%x)", attach_flags);
- attach_flags_str = buf;
- }
+ for (iter = 0; iter < p.prog_cnt; iter++) {
+ __u32 attach_flags;
+
+ attach_flags = prog_attach_flags[iter] ?: p.attach_flags;
+
+ switch (attach_flags) {
+ case BPF_F_ALLOW_MULTI:
+ attach_flags_str = "multi";
+ break;
+ case BPF_F_ALLOW_OVERRIDE:
+ attach_flags_str = "override";
+ break;
+ case 0:
+ attach_flags_str = "";
+ break;
+ default:
+ snprintf(buf, sizeof(buf), "unknown(%x)", attach_flags);
+ attach_flags_str = buf;
+ }
- for (iter = 0; iter < prog_cnt; iter++)
show_bpf_prog(prog_ids[iter], type,
attach_flags_str, level);
+ }
return 0;
}
+static int show_bpf_progs(int cgroup_fd, enum bpf_attach_type type,
+ int level)
+{
+ return query_flags & BPF_F_QUERY_EFFECTIVE ?
+ show_effective_bpf_progs(cgroup_fd, type, level) :
+ show_attached_bpf_progs(cgroup_fd, type, level);
+}
+
static int do_show(int argc, char **argv)
{
enum bpf_attach_type type;
@@ -210,10 +329,13 @@ static int do_show(int argc, char **argv)
if (json_output)
jsonw_start_array(json_wtr);
+ else if (query_flags & BPF_F_QUERY_EFFECTIVE)
+ printf("%-8s %-15s %-15s\n", "ID", "AttachType", "Name");
else
printf("%-8s %-15s %-15s %-15s\n", "ID", "AttachType",
"AttachFlags", "Name");
+ btf_vmlinux = libbpf_find_kernel_btf();
for (type = 0; type < __MAX_BPF_ATTACH_TYPE; type++) {
/*
* Not all attach types may be supported, so it's expected,
@@ -221,7 +343,7 @@ static int do_show(int argc, char **argv)
* If we were able to get the show for at least one
* attach type, let's return 0.
*/
- if (show_attached_bpf_progs(cgroup_fd, type, 0) == 0)
+ if (show_bpf_progs(cgroup_fd, type, 0) == 0)
ret = 0;
}
@@ -277,8 +399,9 @@ static int do_show_tree_fn(const char *fpath, const struct stat *sb,
printf("%s\n", fpath);
}
+ btf_vmlinux = libbpf_find_kernel_btf();
for (type = 0; type < __MAX_BPF_ATTACH_TYPE; type++)
- show_attached_bpf_progs(cgroup_fd, type, ftw->level);
+ show_bpf_progs(cgroup_fd, type, ftw->level);
if (errno == EINVAL)
/* Last attach type does not support query.
@@ -352,6 +475,11 @@ static int do_show_tree(int argc, char **argv)
if (json_output)
jsonw_start_array(json_wtr);
+ else if (query_flags & BPF_F_QUERY_EFFECTIVE)
+ printf("%s\n"
+ "%-8s %-15s %-15s\n",
+ "CgroupPath",
+ "ID", "AttachType", "Name");
else
printf("%s\n"
"%-8s %-15s %-15s %-15s\n",
diff --git a/tools/bpf/bpftool/common.c b/tools/bpf/bpftool/common.c
index c740142c24d8..0cdb4f711510 100644
--- a/tools/bpf/bpftool/common.c
+++ b/tools/bpf/bpftool/common.c
@@ -13,13 +13,17 @@
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
-#include <linux/limits.h>
-#include <linux/magic.h>
#include <net/if.h>
#include <sys/mount.h>
+#include <sys/resource.h>
#include <sys/stat.h>
#include <sys/vfs.h>
+#include <linux/filter.h>
+#include <linux/limits.h>
+#include <linux/magic.h>
+#include <linux/unistd.h>
+
#include <bpf/bpf.h>
#include <bpf/hashmap.h>
#include <bpf/libbpf.h> /* libbpf_num_possible_cpus */
@@ -31,52 +35,6 @@
#define BPF_FS_MAGIC 0xcafe4a11
#endif
-const char * const attach_type_name[__MAX_BPF_ATTACH_TYPE] = {
- [BPF_CGROUP_INET_INGRESS] = "ingress",
- [BPF_CGROUP_INET_EGRESS] = "egress",
- [BPF_CGROUP_INET_SOCK_CREATE] = "sock_create",
- [BPF_CGROUP_INET_SOCK_RELEASE] = "sock_release",
- [BPF_CGROUP_SOCK_OPS] = "sock_ops",
- [BPF_CGROUP_DEVICE] = "device",
- [BPF_CGROUP_INET4_BIND] = "bind4",
- [BPF_CGROUP_INET6_BIND] = "bind6",
- [BPF_CGROUP_INET4_CONNECT] = "connect4",
- [BPF_CGROUP_INET6_CONNECT] = "connect6",
- [BPF_CGROUP_INET4_POST_BIND] = "post_bind4",
- [BPF_CGROUP_INET6_POST_BIND] = "post_bind6",
- [BPF_CGROUP_INET4_GETPEERNAME] = "getpeername4",
- [BPF_CGROUP_INET6_GETPEERNAME] = "getpeername6",
- [BPF_CGROUP_INET4_GETSOCKNAME] = "getsockname4",
- [BPF_CGROUP_INET6_GETSOCKNAME] = "getsockname6",
- [BPF_CGROUP_UDP4_SENDMSG] = "sendmsg4",
- [BPF_CGROUP_UDP6_SENDMSG] = "sendmsg6",
- [BPF_CGROUP_SYSCTL] = "sysctl",
- [BPF_CGROUP_UDP4_RECVMSG] = "recvmsg4",
- [BPF_CGROUP_UDP6_RECVMSG] = "recvmsg6",
- [BPF_CGROUP_GETSOCKOPT] = "getsockopt",
- [BPF_CGROUP_SETSOCKOPT] = "setsockopt",
- [BPF_SK_SKB_STREAM_PARSER] = "sk_skb_stream_parser",
- [BPF_SK_SKB_STREAM_VERDICT] = "sk_skb_stream_verdict",
- [BPF_SK_SKB_VERDICT] = "sk_skb_verdict",
- [BPF_SK_MSG_VERDICT] = "sk_msg_verdict",
- [BPF_LIRC_MODE2] = "lirc_mode2",
- [BPF_FLOW_DISSECTOR] = "flow_dissector",
- [BPF_TRACE_RAW_TP] = "raw_tp",
- [BPF_TRACE_FENTRY] = "fentry",
- [BPF_TRACE_FEXIT] = "fexit",
- [BPF_MODIFY_RETURN] = "mod_ret",
- [BPF_LSM_MAC] = "lsm_mac",
- [BPF_SK_LOOKUP] = "sk_lookup",
- [BPF_TRACE_ITER] = "trace_iter",
- [BPF_XDP_DEVMAP] = "xdp_devmap",
- [BPF_XDP_CPUMAP] = "xdp_cpumap",
- [BPF_XDP] = "xdp",
- [BPF_SK_REUSEPORT_SELECT] = "sk_skb_reuseport_select",
- [BPF_SK_REUSEPORT_SELECT_OR_MIGRATE] = "sk_skb_reuseport_select_or_migrate",
- [BPF_PERF_EVENT] = "perf_event",
- [BPF_TRACE_KPROBE_MULTI] = "trace_kprobe_multi",
-};
-
void p_err(const char *fmt, ...)
{
va_list ap;
@@ -118,6 +76,75 @@ static bool is_bpffs(char *path)
return (unsigned long)st_fs.f_type == BPF_FS_MAGIC;
}
+/* Probe whether kernel switched from memlock-based (RLIMIT_MEMLOCK) to
+ * memcg-based memory accounting for BPF maps and programs. This was done in
+ * commit 97306be45fbe ("Merge branch 'switch to memcg-based memory
+ * accounting'"), in Linux 5.11.
+ *
+ * Libbpf also offers to probe for memcg-based accounting vs rlimit, but does
+ * so by checking for the availability of a given BPF helper and this has
+ * failed on some kernels with backports in the past, see commit 6b4384ff1088
+ * ("Revert "bpftool: Use libbpf 1.0 API mode instead of RLIMIT_MEMLOCK"").
+ * Instead, we can probe by lowering the process-based rlimit to 0, trying to
+ * load a BPF object, and resetting the rlimit. If the load succeeds then
+ * memcg-based accounting is supported.
+ *
+ * This would be too dangerous to do in the library, because multithreaded
+ * applications might attempt to load items while the rlimit is at 0. Given
+ * that bpftool is single-threaded, this is fine to do here.
+ */
+static bool known_to_need_rlimit(void)
+{
+ struct rlimit rlim_init, rlim_cur_zero = {};
+ struct bpf_insn insns[] = {
+ BPF_MOV64_IMM(BPF_REG_0, 0),
+ BPF_EXIT_INSN(),
+ };
+ size_t insn_cnt = ARRAY_SIZE(insns);
+ union bpf_attr attr;
+ int prog_fd, err;
+
+ memset(&attr, 0, sizeof(attr));
+ attr.prog_type = BPF_PROG_TYPE_SOCKET_FILTER;
+ attr.insns = ptr_to_u64(insns);
+ attr.insn_cnt = insn_cnt;
+ attr.license = ptr_to_u64("GPL");
+
+ if (getrlimit(RLIMIT_MEMLOCK, &rlim_init))
+ return false;
+
+ /* Drop the soft limit to zero. We maintain the hard limit to its
+ * current value, because lowering it would be a permanent operation
+ * for unprivileged users.
+ */
+ rlim_cur_zero.rlim_max = rlim_init.rlim_max;
+ if (setrlimit(RLIMIT_MEMLOCK, &rlim_cur_zero))
+ return false;
+
+ /* Do not use bpf_prog_load() from libbpf here, because it calls
+ * bump_rlimit_memlock(), interfering with the current probe.
+ */
+ prog_fd = syscall(__NR_bpf, BPF_PROG_LOAD, &attr, sizeof(attr));
+ err = errno;
+
+ /* reset soft rlimit to its initial value */
+ setrlimit(RLIMIT_MEMLOCK, &rlim_init);
+
+ if (prog_fd < 0)
+ return err == EPERM;
+
+ close(prog_fd);
+ return false;
+}
+
+void set_max_rlimit(void)
+{
+ struct rlimit rinf = { RLIM_INFINITY, RLIM_INFINITY };
+
+ if (known_to_need_rlimit())
+ setrlimit(RLIMIT_MEMLOCK, &rinf);
+}
+
static int
mnt_fs(const char *target, const char *type, char *buff, size_t bufflen)
{
@@ -273,6 +300,9 @@ int do_pin_any(int argc, char **argv, int (*get_fd)(int *, char ***))
int err;
int fd;
+ if (!REQ_ARGS(3))
+ return -EINVAL;
+
fd = get_fd(&argc, &argv);
if (fd < 0)
return fd;
@@ -289,6 +319,7 @@ const char *get_fd_type_name(enum bpf_obj_type type)
[BPF_OBJ_UNKNOWN] = "unknown",
[BPF_OBJ_PROG] = "prog",
[BPF_OBJ_MAP] = "map",
+ [BPF_OBJ_LINK] = "link",
};
if (type < 0 || type >= ARRAY_SIZE(names) || !names[type])
@@ -694,6 +725,7 @@ print_all_levels(__maybe_unused enum libbpf_print_level level,
static int prog_fd_by_nametag(void *nametag, int **fds, bool tag)
{
+ char prog_name[MAX_PROG_FULL_NAME];
unsigned int id = 0;
int fd, nb_fds = 0;
void *tmp;
@@ -726,12 +758,20 @@ static int prog_fd_by_nametag(void *nametag, int **fds, bool tag)
goto err_close_fd;
}
- if ((tag && memcmp(nametag, info.tag, BPF_TAG_SIZE)) ||
- (!tag && strncmp(nametag, info.name, BPF_OBJ_NAME_LEN))) {
+ if (tag && memcmp(nametag, info.tag, BPF_TAG_SIZE)) {
close(fd);
continue;
}
+ if (!tag) {
+ get_prog_full_name(&info, fd, prog_name,
+ sizeof(prog_name));
+ if (strncmp(nametag, prog_name, sizeof(prog_name))) {
+ close(fd);
+ continue;
+ }
+ }
+
if (nb_fds > 0) {
tmp = realloc(*fds, (nb_fds + 1) * sizeof(int));
if (!tmp) {
@@ -792,7 +832,7 @@ int prog_parse_fds(int *argc, char ***argv, int **fds)
NEXT_ARGP();
name = **argv;
- if (strlen(name) > BPF_OBJ_NAME_LEN - 1) {
+ if (strlen(name) > MAX_PROG_FULL_NAME - 1) {
p_err("can't parse name");
return -1;
}
@@ -1009,3 +1049,39 @@ bool equal_fn_for_key_as_id(const void *k1, const void *k2, void *ctx)
{
return k1 == k2;
}
+
+const char *bpf_attach_type_input_str(enum bpf_attach_type t)
+{
+ switch (t) {
+ case BPF_CGROUP_INET_INGRESS: return "ingress";
+ case BPF_CGROUP_INET_EGRESS: return "egress";
+ case BPF_CGROUP_INET_SOCK_CREATE: return "sock_create";
+ case BPF_CGROUP_INET_SOCK_RELEASE: return "sock_release";
+ case BPF_CGROUP_SOCK_OPS: return "sock_ops";
+ case BPF_CGROUP_DEVICE: return "device";
+ case BPF_CGROUP_INET4_BIND: return "bind4";
+ case BPF_CGROUP_INET6_BIND: return "bind6";
+ case BPF_CGROUP_INET4_CONNECT: return "connect4";
+ case BPF_CGROUP_INET6_CONNECT: return "connect6";
+ case BPF_CGROUP_INET4_POST_BIND: return "post_bind4";
+ case BPF_CGROUP_INET6_POST_BIND: return "post_bind6";
+ case BPF_CGROUP_INET4_GETPEERNAME: return "getpeername4";
+ case BPF_CGROUP_INET6_GETPEERNAME: return "getpeername6";
+ case BPF_CGROUP_INET4_GETSOCKNAME: return "getsockname4";
+ case BPF_CGROUP_INET6_GETSOCKNAME: return "getsockname6";
+ case BPF_CGROUP_UDP4_SENDMSG: return "sendmsg4";
+ case BPF_CGROUP_UDP6_SENDMSG: return "sendmsg6";
+ case BPF_CGROUP_SYSCTL: return "sysctl";
+ case BPF_CGROUP_UDP4_RECVMSG: return "recvmsg4";
+ case BPF_CGROUP_UDP6_RECVMSG: return "recvmsg6";
+ case BPF_CGROUP_GETSOCKOPT: return "getsockopt";
+ case BPF_CGROUP_SETSOCKOPT: return "setsockopt";
+ case BPF_TRACE_RAW_TP: return "raw_tp";
+ case BPF_TRACE_FENTRY: return "fentry";
+ case BPF_TRACE_FEXIT: return "fexit";
+ case BPF_MODIFY_RETURN: return "mod_ret";
+ case BPF_SK_REUSEPORT_SELECT: return "sk_skb_reuseport_select";
+ case BPF_SK_REUSEPORT_SELECT_OR_MIGRATE: return "sk_skb_reuseport_select_or_migrate";
+ default: return libbpf_bpf_attach_type_str(t);
+ }
+}
diff --git a/tools/bpf/bpftool/feature.c b/tools/bpf/bpftool/feature.c
index d12f46051aac..36cf0f1517c9 100644
--- a/tools/bpf/bpftool/feature.c
+++ b/tools/bpf/bpftool/feature.c
@@ -548,8 +548,8 @@ static bool probe_prog_type_ifindex(enum bpf_prog_type prog_type, __u32 ifindex)
}
static void
-probe_prog_type(enum bpf_prog_type prog_type, bool *supported_types,
- const char *define_prefix, __u32 ifindex)
+probe_prog_type(enum bpf_prog_type prog_type, const char *prog_type_str,
+ bool *supported_types, const char *define_prefix, __u32 ifindex)
{
char feat_name[128], plain_desc[128], define_name[128];
const char *plain_comment = "eBPF program_type ";
@@ -580,20 +580,16 @@ probe_prog_type(enum bpf_prog_type prog_type, bool *supported_types,
supported_types[prog_type] |= res;
- if (!prog_type_name[prog_type]) {
- p_info("program type name not found (type %d)", prog_type);
- return;
- }
maxlen = sizeof(plain_desc) - strlen(plain_comment) - 1;
- if (strlen(prog_type_name[prog_type]) > maxlen) {
+ if (strlen(prog_type_str) > maxlen) {
p_info("program type name too long");
return;
}
- sprintf(feat_name, "have_%s_prog_type", prog_type_name[prog_type]);
- sprintf(define_name, "%s_prog_type", prog_type_name[prog_type]);
+ sprintf(feat_name, "have_%s_prog_type", prog_type_str);
+ sprintf(define_name, "%s_prog_type", prog_type_str);
uppercase(define_name, sizeof(define_name));
- sprintf(plain_desc, "%s%s", plain_comment, prog_type_name[prog_type]);
+ sprintf(plain_desc, "%s%s", plain_comment, prog_type_str);
print_bool_feature(feat_name, plain_desc, define_name, res,
define_prefix);
}
@@ -619,8 +615,8 @@ static bool probe_map_type_ifindex(enum bpf_map_type map_type, __u32 ifindex)
}
static void
-probe_map_type(enum bpf_map_type map_type, const char *define_prefix,
- __u32 ifindex)
+probe_map_type(enum bpf_map_type map_type, char const *map_type_str,
+ const char *define_prefix, __u32 ifindex)
{
char feat_name[128], plain_desc[128], define_name[128];
const char *plain_comment = "eBPF map_type ";
@@ -645,20 +641,16 @@ probe_map_type(enum bpf_map_type map_type, const char *define_prefix,
* check required for unprivileged users
*/
- if (!map_type_name[map_type]) {
- p_info("map type name not found (type %d)", map_type);
- return;
- }
maxlen = sizeof(plain_desc) - strlen(plain_comment) - 1;
- if (strlen(map_type_name[map_type]) > maxlen) {
+ if (strlen(map_type_str) > maxlen) {
p_info("map type name too long");
return;
}
- sprintf(feat_name, "have_%s_map_type", map_type_name[map_type]);
- sprintf(define_name, "%s_map_type", map_type_name[map_type]);
+ sprintf(feat_name, "have_%s_map_type", map_type_str);
+ sprintf(define_name, "%s_map_type", map_type_str);
uppercase(define_name, sizeof(define_name));
- sprintf(plain_desc, "%s%s", plain_comment, map_type_name[map_type]);
+ sprintf(plain_desc, "%s%s", plain_comment, map_type_str);
print_bool_feature(feat_name, plain_desc, define_name, res,
define_prefix);
}
@@ -728,10 +720,10 @@ probe_helper_for_progtype(enum bpf_prog_type prog_type, bool supported_type,
}
static void
-probe_helpers_for_progtype(enum bpf_prog_type prog_type, bool supported_type,
+probe_helpers_for_progtype(enum bpf_prog_type prog_type,
+ const char *prog_type_str, bool supported_type,
const char *define_prefix, __u32 ifindex)
{
- const char *ptype_name = prog_type_name[prog_type];
char feat_name[128];
unsigned int id;
bool probe_res = false;
@@ -747,12 +739,12 @@ probe_helpers_for_progtype(enum bpf_prog_type prog_type, bool supported_type,
}
if (json_output) {
- sprintf(feat_name, "%s_available_helpers", ptype_name);
+ sprintf(feat_name, "%s_available_helpers", prog_type_str);
jsonw_name(json_wtr, feat_name);
jsonw_start_array(json_wtr);
} else if (!define_prefix) {
printf("eBPF helpers supported for program type %s:",
- ptype_name);
+ prog_type_str);
}
for (id = 1; id < ARRAY_SIZE(helper_name); id++) {
@@ -768,7 +760,7 @@ probe_helpers_for_progtype(enum bpf_prog_type prog_type, bool supported_type,
/* fallthrough */
default:
probe_res |= probe_helper_for_progtype(prog_type, supported_type,
- define_prefix, id, ptype_name,
+ define_prefix, id, prog_type_str,
ifindex);
}
}
@@ -943,30 +935,47 @@ static void
section_program_types(bool *supported_types, const char *define_prefix,
__u32 ifindex)
{
- unsigned int i;
+ unsigned int prog_type = BPF_PROG_TYPE_UNSPEC;
+ const char *prog_type_str;
print_start_section("program_types",
"Scanning eBPF program types...",
"/*** eBPF program types ***/",
define_prefix);
- for (i = BPF_PROG_TYPE_UNSPEC + 1; i < prog_type_name_size; i++)
- probe_prog_type(i, supported_types, define_prefix, ifindex);
+ while (true) {
+ prog_type++;
+ prog_type_str = libbpf_bpf_prog_type_str(prog_type);
+ /* libbpf will return NULL for variants unknown to it. */
+ if (!prog_type_str)
+ break;
+
+ probe_prog_type(prog_type, prog_type_str, supported_types, define_prefix,
+ ifindex);
+ }
print_end_section();
}
static void section_map_types(const char *define_prefix, __u32 ifindex)
{
- unsigned int i;
+ unsigned int map_type = BPF_MAP_TYPE_UNSPEC;
+ const char *map_type_str;
print_start_section("map_types",
"Scanning eBPF map types...",
"/*** eBPF map types ***/",
define_prefix);
- for (i = BPF_MAP_TYPE_UNSPEC + 1; i < map_type_name_size; i++)
- probe_map_type(i, define_prefix, ifindex);
+ while (true) {
+ map_type++;
+ map_type_str = libbpf_bpf_map_type_str(map_type);
+ /* libbpf will return NULL for variants unknown to it. */
+ if (!map_type_str)
+ break;
+
+ probe_map_type(map_type, map_type_str, define_prefix, ifindex);
+ }
print_end_section();
}
@@ -974,7 +983,8 @@ static void section_map_types(const char *define_prefix, __u32 ifindex)
static void
section_helpers(bool *supported_types, const char *define_prefix, __u32 ifindex)
{
- unsigned int i;
+ unsigned int prog_type = BPF_PROG_TYPE_UNSPEC;
+ const char *prog_type_str;
print_start_section("helpers",
"Scanning eBPF helper functions...",
@@ -996,9 +1006,18 @@ section_helpers(bool *supported_types, const char *define_prefix, __u32 ifindex)
" %sBPF__PROG_TYPE_ ## prog_type ## __HELPER_ ## helper\n",
define_prefix, define_prefix, define_prefix,
define_prefix);
- for (i = BPF_PROG_TYPE_UNSPEC + 1; i < prog_type_name_size; i++)
- probe_helpers_for_progtype(i, supported_types[i], define_prefix,
+ while (true) {
+ prog_type++;
+ prog_type_str = libbpf_bpf_prog_type_str(prog_type);
+ /* libbpf will return NULL for variants unknown to it. */
+ if (!prog_type_str)
+ break;
+
+ probe_helpers_for_progtype(prog_type, prog_type_str,
+ supported_types[prog_type],
+ define_prefix,
ifindex);
+ }
print_end_section();
}
@@ -1128,7 +1147,7 @@ exit_free:
return res;
#else
/* Detection assumes user has specific privileges.
- * We do not use libpcap so let's approximate, and restrict usage to
+ * We do not use libcap so let's approximate, and restrict usage to
* root user only.
*/
if (geteuid()) {
@@ -1148,6 +1167,8 @@ static int do_probe(int argc, char **argv)
__u32 ifindex = 0;
char *ifname;
+ set_max_rlimit();
+
while (argc) {
if (is_prefix(*argv, "kernel")) {
if (target != COMPONENT_UNSPEC) {
@@ -1237,6 +1258,58 @@ exit_close_json:
return 0;
}
+static const char *get_helper_name(unsigned int id)
+{
+ if (id >= ARRAY_SIZE(helper_name))
+ return NULL;
+
+ return helper_name[id];
+}
+
+static int do_list_builtins(int argc, char **argv)
+{
+ const char *(*get_name)(unsigned int id);
+ unsigned int id = 0;
+
+ if (argc < 1)
+ usage();
+
+ if (is_prefix(*argv, "prog_types")) {
+ get_name = (const char *(*)(unsigned int))libbpf_bpf_prog_type_str;
+ } else if (is_prefix(*argv, "map_types")) {
+ get_name = (const char *(*)(unsigned int))libbpf_bpf_map_type_str;
+ } else if (is_prefix(*argv, "attach_types")) {
+ get_name = (const char *(*)(unsigned int))libbpf_bpf_attach_type_str;
+ } else if (is_prefix(*argv, "link_types")) {
+ get_name = (const char *(*)(unsigned int))libbpf_bpf_link_type_str;
+ } else if (is_prefix(*argv, "helpers")) {
+ get_name = get_helper_name;
+ } else {
+ p_err("expected 'prog_types', 'map_types', 'attach_types', 'link_types' or 'helpers', got: %s", *argv);
+ return -1;
+ }
+
+ if (json_output)
+ jsonw_start_array(json_wtr); /* root array */
+
+ while (true) {
+ const char *name;
+
+ name = get_name(id++);
+ if (!name)
+ break;
+ if (json_output)
+ jsonw_string(json_wtr, name);
+ else
+ printf("%s\n", name);
+ }
+
+ if (json_output)
+ jsonw_end_array(json_wtr); /* root array */
+
+ return 0;
+}
+
static int do_help(int argc, char **argv)
{
if (json_output) {
@@ -1246,9 +1319,11 @@ static int do_help(int argc, char **argv)
fprintf(stderr,
"Usage: %1$s %2$s probe [COMPONENT] [full] [unprivileged] [macros [prefix PREFIX]]\n"
+ " %1$s %2$s list_builtins GROUP\n"
" %1$s %2$s help\n"
"\n"
" COMPONENT := { kernel | dev NAME }\n"
+ " GROUP := { prog_types | map_types | attach_types | link_types | helpers }\n"
" " HELP_SPEC_OPTIONS " }\n"
"",
bin_name, argv[-2]);
@@ -1257,8 +1332,9 @@ static int do_help(int argc, char **argv)
}
static const struct cmd cmds[] = {
- { "probe", do_probe },
- { "help", do_help },
+ { "probe", do_probe },
+ { "list_builtins", do_list_builtins },
+ { "help", do_help },
{ 0 }
};
diff --git a/tools/bpf/bpftool/gen.c b/tools/bpf/bpftool/gen.c
index 4c9477ff748d..cf8b4e525c88 100644
--- a/tools/bpf/bpftool/gen.c
+++ b/tools/bpf/bpftool/gen.c
@@ -474,6 +474,9 @@ static void codegen_asserts(struct bpf_object *obj, const char *obj_name)
const struct btf_type *sec;
char map_ident[256], var_ident[256];
+ if (!btf)
+ return;
+
codegen("\
\n\
__attribute__((unused)) static void \n\
@@ -1172,7 +1175,7 @@ static int do_skeleton(int argc, char **argv)
static inline void \n\
%1$s__detach(struct %1$s *obj) \n\
{ \n\
- return bpf_object__detach_skeleton(obj->skeleton); \n\
+ bpf_object__detach_skeleton(obj->skeleton); \n\
} \n\
",
obj_name
@@ -1591,14 +1594,14 @@ static int do_object(int argc, char **argv)
err = bpf_linker__add_file(linker, file, NULL);
if (err) {
- p_err("failed to link '%s': %s (%d)", file, strerror(err), err);
+ p_err("failed to link '%s': %s (%d)", file, strerror(errno), errno);
goto out;
}
}
err = bpf_linker__finalize(linker);
if (err) {
- p_err("failed to finalize ELF file: %s (%d)", strerror(err), err);
+ p_err("failed to finalize ELF file: %s (%d)", strerror(errno), errno);
goto out;
}
@@ -1747,6 +1750,7 @@ btfgen_mark_type(struct btfgen_info *info, unsigned int type_id, bool follow_poi
case BTF_KIND_INT:
case BTF_KIND_FLOAT:
case BTF_KIND_ENUM:
+ case BTF_KIND_ENUM64:
case BTF_KIND_STRUCT:
case BTF_KIND_UNION:
break;
@@ -1758,6 +1762,7 @@ btfgen_mark_type(struct btfgen_info *info, unsigned int type_id, bool follow_poi
}
break;
case BTF_KIND_CONST:
+ case BTF_KIND_RESTRICT:
case BTF_KIND_VOLATILE:
case BTF_KIND_TYPEDEF:
err = btfgen_mark_type(info, btf_type->type, follow_pointers);
@@ -1852,6 +1857,112 @@ static int btfgen_record_field_relo(struct btfgen_info *info, struct bpf_core_sp
return 0;
}
+/* Mark types, members, and member types. Compared to btfgen_record_field_relo,
+ * this function does not rely on the target spec for inferring members, but
+ * uses the associated BTF.
+ *
+ * The `behind_ptr` argument is used to stop marking of composite types reached
+ * through a pointer. This way, we can keep BTF size in check while providing
+ * reasonable match semantics.
+ */
+static int btfgen_mark_type_match(struct btfgen_info *info, __u32 type_id, bool behind_ptr)
+{
+ const struct btf_type *btf_type;
+ struct btf *btf = info->src_btf;
+ struct btf_type *cloned_type;
+ int i, err;
+
+ if (type_id == 0)
+ return 0;
+
+ btf_type = btf__type_by_id(btf, type_id);
+ /* mark type on cloned BTF as used */
+ cloned_type = (struct btf_type *)btf__type_by_id(info->marked_btf, type_id);
+ cloned_type->name_off = MARKED;
+
+ switch (btf_kind(btf_type)) {
+ case BTF_KIND_UNKN:
+ case BTF_KIND_INT:
+ case BTF_KIND_FLOAT:
+ case BTF_KIND_ENUM:
+ case BTF_KIND_ENUM64:
+ break;
+ case BTF_KIND_STRUCT:
+ case BTF_KIND_UNION: {
+ struct btf_member *m = btf_members(btf_type);
+ __u16 vlen = btf_vlen(btf_type);
+
+ if (behind_ptr)
+ break;
+
+ for (i = 0; i < vlen; i++, m++) {
+ /* mark member */
+ btfgen_mark_member(info, type_id, i);
+
+ /* mark member's type */
+ err = btfgen_mark_type_match(info, m->type, false);
+ if (err)
+ return err;
+ }
+ break;
+ }
+ case BTF_KIND_CONST:
+ case BTF_KIND_FWD:
+ case BTF_KIND_RESTRICT:
+ case BTF_KIND_TYPEDEF:
+ case BTF_KIND_VOLATILE:
+ return btfgen_mark_type_match(info, btf_type->type, behind_ptr);
+ case BTF_KIND_PTR:
+ return btfgen_mark_type_match(info, btf_type->type, true);
+ case BTF_KIND_ARRAY: {
+ struct btf_array *array;
+
+ array = btf_array(btf_type);
+ /* mark array type */
+ err = btfgen_mark_type_match(info, array->type, false);
+ /* mark array's index type */
+ err = err ? : btfgen_mark_type_match(info, array->index_type, false);
+ if (err)
+ return err;
+ break;
+ }
+ case BTF_KIND_FUNC_PROTO: {
+ __u16 vlen = btf_vlen(btf_type);
+ struct btf_param *param;
+
+ /* mark ret type */
+ err = btfgen_mark_type_match(info, btf_type->type, false);
+ if (err)
+ return err;
+
+ /* mark parameters types */
+ param = btf_params(btf_type);
+ for (i = 0; i < vlen; i++) {
+ err = btfgen_mark_type_match(info, param->type, false);
+ if (err)
+ return err;
+ param++;
+ }
+ break;
+ }
+ /* tells if some other type needs to be handled */
+ default:
+ p_err("unsupported kind: %s (%d)", btf_kind_str(btf_type), type_id);
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+/* Mark types, members, and member types. Compared to btfgen_record_field_relo,
+ * this function does not rely on the target spec for inferring members, but
+ * uses the associated BTF.
+ */
+static int btfgen_record_type_match_relo(struct btfgen_info *info, struct bpf_core_spec *targ_spec)
+{
+ return btfgen_mark_type_match(info, targ_spec->root_type_id, false);
+}
+
static int btfgen_record_type_relo(struct btfgen_info *info, struct bpf_core_spec *targ_spec)
{
return btfgen_mark_type(info, targ_spec->root_type_id, true);
@@ -1878,6 +1989,8 @@ static int btfgen_record_reloc(struct btfgen_info *info, struct bpf_core_spec *r
case BPF_CORE_TYPE_EXISTS:
case BPF_CORE_TYPE_SIZE:
return btfgen_record_type_relo(info, res);
+ case BPF_CORE_TYPE_MATCHES:
+ return btfgen_record_type_match_relo(info, res);
case BPF_CORE_ENUMVAL_EXISTS:
case BPF_CORE_ENUMVAL_VALUE:
return btfgen_record_enumval_relo(info, res);
diff --git a/tools/bpf/bpftool/jit_disasm.c b/tools/bpf/bpftool/jit_disasm.c
index 24734f2249d6..aaf99a0168c9 100644
--- a/tools/bpf/bpftool/jit_disasm.c
+++ b/tools/bpf/bpftool/jit_disasm.c
@@ -24,6 +24,7 @@
#include <sys/stat.h>
#include <limits.h>
#include <bpf/libbpf.h>
+#include <tools/dis-asm-compat.h>
#include "json_writer.h"
#include "main.h"
@@ -39,15 +40,12 @@ static void get_exec_path(char *tpath, size_t size)
}
static int oper_count;
-static int fprintf_json(void *out, const char *fmt, ...)
+static int printf_json(void *out, const char *fmt, va_list ap)
{
- va_list ap;
char *s;
int err;
- va_start(ap, fmt);
err = vasprintf(&s, fmt, ap);
- va_end(ap);
if (err < 0)
return -1;
@@ -73,6 +71,32 @@ static int fprintf_json(void *out, const char *fmt, ...)
return 0;
}
+static int fprintf_json(void *out, const char *fmt, ...)
+{
+ va_list ap;
+ int r;
+
+ va_start(ap, fmt);
+ r = printf_json(out, fmt, ap);
+ va_end(ap);
+
+ return r;
+}
+
+static int fprintf_json_styled(void *out,
+ enum disassembler_style style __maybe_unused,
+ const char *fmt, ...)
+{
+ va_list ap;
+ int r;
+
+ va_start(ap, fmt);
+ r = printf_json(out, fmt, ap);
+ va_end(ap);
+
+ return r;
+}
+
void disasm_print_insn(unsigned char *image, ssize_t len, int opcodes,
const char *arch, const char *disassembler_options,
const struct btf *btf,
@@ -99,11 +123,13 @@ void disasm_print_insn(unsigned char *image, ssize_t len, int opcodes,
assert(bfd_check_format(bfdf, bfd_object));
if (json_output)
- init_disassemble_info(&info, stdout,
- (fprintf_ftype) fprintf_json);
+ init_disassemble_info_compat(&info, stdout,
+ (fprintf_ftype) fprintf_json,
+ fprintf_json_styled);
else
- init_disassemble_info(&info, stdout,
- (fprintf_ftype) fprintf);
+ init_disassemble_info_compat(&info, stdout,
+ (fprintf_ftype) fprintf,
+ fprintf_styled);
/* Update architecture info for offload. */
if (arch) {
diff --git a/tools/bpf/bpftool/link.c b/tools/bpf/bpftool/link.c
index 6353a789322b..2863639706dd 100644
--- a/tools/bpf/bpftool/link.c
+++ b/tools/bpf/bpftool/link.c
@@ -13,19 +13,6 @@
#include "json_writer.h"
#include "main.h"
-static const char * const link_type_name[] = {
- [BPF_LINK_TYPE_UNSPEC] = "unspec",
- [BPF_LINK_TYPE_RAW_TRACEPOINT] = "raw_tracepoint",
- [BPF_LINK_TYPE_TRACING] = "tracing",
- [BPF_LINK_TYPE_CGROUP] = "cgroup",
- [BPF_LINK_TYPE_ITER] = "iter",
- [BPF_LINK_TYPE_NETNS] = "netns",
- [BPF_LINK_TYPE_XDP] = "xdp",
- [BPF_LINK_TYPE_PERF_EVENT] = "perf_event",
- [BPF_LINK_TYPE_KPROBE_MULTI] = "kprobe_multi",
- [BPF_LINK_TYPE_STRUCT_OPS] = "struct_ops",
-};
-
static struct hashmap *link_table;
static int link_parse_fd(int *argc, char ***argv)
@@ -67,9 +54,12 @@ static int link_parse_fd(int *argc, char ***argv)
static void
show_link_header_json(struct bpf_link_info *info, json_writer_t *wtr)
{
+ const char *link_type_str;
+
jsonw_uint_field(wtr, "id", info->id);
- if (info->type < ARRAY_SIZE(link_type_name))
- jsonw_string_field(wtr, "type", link_type_name[info->type]);
+ link_type_str = libbpf_bpf_link_type_str(info->type);
+ if (link_type_str)
+ jsonw_string_field(wtr, "type", link_type_str);
else
jsonw_uint_field(wtr, "type", info->type);
@@ -78,9 +68,11 @@ show_link_header_json(struct bpf_link_info *info, json_writer_t *wtr)
static void show_link_attach_type_json(__u32 attach_type, json_writer_t *wtr)
{
- if (attach_type < ARRAY_SIZE(attach_type_name))
- jsonw_string_field(wtr, "attach_type",
- attach_type_name[attach_type]);
+ const char *attach_type_str;
+
+ attach_type_str = libbpf_bpf_attach_type_str(attach_type);
+ if (attach_type_str)
+ jsonw_string_field(wtr, "attach_type", attach_type_str);
else
jsonw_uint_field(wtr, "attach_type", attach_type);
}
@@ -91,6 +83,36 @@ static bool is_iter_map_target(const char *target_name)
strcmp(target_name, "bpf_sk_storage_map") == 0;
}
+static bool is_iter_cgroup_target(const char *target_name)
+{
+ return strcmp(target_name, "cgroup") == 0;
+}
+
+static const char *cgroup_order_string(__u32 order)
+{
+ switch (order) {
+ case BPF_CGROUP_ITER_ORDER_UNSPEC:
+ return "order_unspec";
+ case BPF_CGROUP_ITER_SELF_ONLY:
+ return "self_only";
+ case BPF_CGROUP_ITER_DESCENDANTS_PRE:
+ return "descendants_pre";
+ case BPF_CGROUP_ITER_DESCENDANTS_POST:
+ return "descendants_post";
+ case BPF_CGROUP_ITER_ANCESTORS_UP:
+ return "ancestors_up";
+ default: /* won't happen */
+ return "unknown";
+ }
+}
+
+static bool is_iter_task_target(const char *target_name)
+{
+ return strcmp(target_name, "task") == 0 ||
+ strcmp(target_name, "task_file") == 0 ||
+ strcmp(target_name, "task_vma") == 0;
+}
+
static void show_iter_json(struct bpf_link_info *info, json_writer_t *wtr)
{
const char *target_name = u64_to_ptr(info->iter.target_name);
@@ -99,6 +121,18 @@ static void show_iter_json(struct bpf_link_info *info, json_writer_t *wtr)
if (is_iter_map_target(target_name))
jsonw_uint_field(wtr, "map_id", info->iter.map.map_id);
+ else if (is_iter_task_target(target_name)) {
+ if (info->iter.task.tid)
+ jsonw_uint_field(wtr, "tid", info->iter.task.tid);
+ else if (info->iter.task.pid)
+ jsonw_uint_field(wtr, "pid", info->iter.task.pid);
+ }
+
+ if (is_iter_cgroup_target(target_name)) {
+ jsonw_lluint_field(wtr, "cgroup_id", info->iter.cgroup.cgroup_id);
+ jsonw_string_field(wtr, "order",
+ cgroup_order_string(info->iter.cgroup.order));
+ }
}
static int get_prog_info(int prog_id, struct bpf_prog_info *info)
@@ -121,6 +155,7 @@ static int get_prog_info(int prog_id, struct bpf_prog_info *info)
static int show_link_close_json(int fd, struct bpf_link_info *info)
{
struct bpf_prog_info prog_info;
+ const char *prog_type_str;
int err;
jsonw_start_object(json_wtr);
@@ -137,12 +172,12 @@ static int show_link_close_json(int fd, struct bpf_link_info *info)
if (err)
return err;
- if (prog_info.type < prog_type_name_size)
- jsonw_string_field(json_wtr, "prog_type",
- prog_type_name[prog_info.type]);
+ prog_type_str = libbpf_bpf_prog_type_str(prog_info.type);
+ /* libbpf will return NULL for variants unknown to it. */
+ if (prog_type_str)
+ jsonw_string_field(json_wtr, "prog_type", prog_type_str);
else
- jsonw_uint_field(json_wtr, "prog_type",
- prog_info.type);
+ jsonw_uint_field(json_wtr, "prog_type", prog_info.type);
show_link_attach_type_json(info->tracing.attach_type,
json_wtr);
@@ -184,9 +219,12 @@ static int show_link_close_json(int fd, struct bpf_link_info *info)
static void show_link_header_plain(struct bpf_link_info *info)
{
+ const char *link_type_str;
+
printf("%u: ", info->id);
- if (info->type < ARRAY_SIZE(link_type_name))
- printf("%s ", link_type_name[info->type]);
+ link_type_str = libbpf_bpf_link_type_str(info->type);
+ if (link_type_str)
+ printf("%s ", link_type_str);
else
printf("type %u ", info->type);
@@ -195,8 +233,11 @@ static void show_link_header_plain(struct bpf_link_info *info)
static void show_link_attach_type_plain(__u32 attach_type)
{
- if (attach_type < ARRAY_SIZE(attach_type_name))
- printf("attach_type %s ", attach_type_name[attach_type]);
+ const char *attach_type_str;
+
+ attach_type_str = libbpf_bpf_attach_type_str(attach_type);
+ if (attach_type_str)
+ printf("attach_type %s ", attach_type_str);
else
printf("attach_type %u ", attach_type);
}
@@ -209,11 +250,24 @@ static void show_iter_plain(struct bpf_link_info *info)
if (is_iter_map_target(target_name))
printf("map_id %u ", info->iter.map.map_id);
+ else if (is_iter_task_target(target_name)) {
+ if (info->iter.task.tid)
+ printf("tid %u ", info->iter.task.tid);
+ else if (info->iter.task.pid)
+ printf("pid %u ", info->iter.task.pid);
+ }
+
+ if (is_iter_cgroup_target(target_name)) {
+ printf("cgroup_id %llu ", info->iter.cgroup.cgroup_id);
+ printf("order %s ",
+ cgroup_order_string(info->iter.cgroup.order));
+ }
}
static int show_link_close_plain(int fd, struct bpf_link_info *info)
{
struct bpf_prog_info prog_info;
+ const char *prog_type_str;
int err;
show_link_header_plain(info);
@@ -228,9 +282,10 @@ static int show_link_close_plain(int fd, struct bpf_link_info *info)
if (err)
return err;
- if (prog_info.type < prog_type_name_size)
- printf("\n\tprog_type %s ",
- prog_type_name[prog_info.type]);
+ prog_type_str = libbpf_bpf_prog_type_str(prog_info.type);
+ /* libbpf will return NULL for variants unknown to it. */
+ if (prog_type_str)
+ printf("\n\tprog_type %s ", prog_type_str);
else
printf("\n\tprog_type %u ", prog_info.type);
diff --git a/tools/bpf/bpftool/main.c b/tools/bpf/bpftool/main.c
index 9062ef2b8767..ccd7457f92bf 100644
--- a/tools/bpf/bpftool/main.c
+++ b/tools/bpf/bpftool/main.c
@@ -435,6 +435,16 @@ int main(int argc, char **argv)
setlinebuf(stdout);
+#ifdef USE_LIBCAP
+ /* Libcap < 2.63 hooks before main() to compute the number of
+ * capabilities of the running kernel, and doing so it calls prctl()
+ * which may fail and set errno to non-zero.
+ * Let's reset errno to make sure this does not interfere with the
+ * batch mode.
+ */
+ errno = 0;
+#endif
+
last_do_help = do_help;
pretty_output = false;
json_output = false;
@@ -508,8 +518,6 @@ int main(int argc, char **argv)
* mode for loading generated skeleton.
*/
libbpf_set_strict_mode(LIBBPF_STRICT_ALL & ~LIBBPF_STRICT_MAP_DEFINITIONS);
- } else {
- libbpf_set_strict_mode(LIBBPF_STRICT_AUTO_RLIMIT_MEMLOCK);
}
argc -= optind;
diff --git a/tools/bpf/bpftool/main.h b/tools/bpf/bpftool/main.h
index aa99ffab451a..5e5060c2ac04 100644
--- a/tools/bpf/bpftool/main.h
+++ b/tools/bpf/bpftool/main.h
@@ -63,14 +63,6 @@ static inline void *u64_to_ptr(__u64 ptr)
#define HELP_SPEC_LINK \
"LINK := { id LINK_ID | pinned FILE }"
-extern const char * const prog_type_name[];
-extern const size_t prog_type_name_size;
-
-extern const char * const attach_type_name[__MAX_BPF_ATTACH_TYPE];
-
-extern const char * const map_type_name[];
-extern const size_t map_type_name_size;
-
/* keep in sync with the definition in skeleton/pid_iter.bpf.c */
enum bpf_obj_type {
BPF_OBJ_UNKNOWN,
@@ -102,6 +94,8 @@ int detect_common_prefix(const char *arg, ...);
void fprint_hex(FILE *f, void *arg, unsigned int n, const char *sep);
void usage(void) __noreturn;
+void set_max_rlimit(void);
+
int mount_tracefs(const char *target);
struct obj_ref {
@@ -249,6 +243,20 @@ int print_all_levels(__maybe_unused enum libbpf_print_level level,
size_t hash_fn_for_key_as_id(const void *key, void *ctx);
bool equal_fn_for_key_as_id(const void *k1, const void *k2, void *ctx);
+/* bpf_attach_type_input_str - convert the provided attach type value into a
+ * textual representation that we accept for input purposes.
+ *
+ * This function is similar in nature to libbpf_bpf_attach_type_str, but
+ * recognizes some attach type names that have been used by the program in the
+ * past and which do not follow the string inference scheme that libbpf uses.
+ * These textual representations should only be used for user input.
+ *
+ * @t: The attach type
+ * Returns a pointer to a static string identifying the attach type. NULL is
+ * returned for unknown bpf_attach_type values.
+ */
+const char *bpf_attach_type_input_str(enum bpf_attach_type t);
+
static inline void *u32_as_hash_field(__u32 x)
{
return (void *)(uintptr_t)x;
diff --git a/tools/bpf/bpftool/map.c b/tools/bpf/bpftool/map.c
index 877387ef79c7..9a6ca9f31133 100644
--- a/tools/bpf/bpftool/map.c
+++ b/tools/bpf/bpftool/map.c
@@ -22,42 +22,6 @@
#include "json_writer.h"
#include "main.h"
-const char * const map_type_name[] = {
- [BPF_MAP_TYPE_UNSPEC] = "unspec",
- [BPF_MAP_TYPE_HASH] = "hash",
- [BPF_MAP_TYPE_ARRAY] = "array",
- [BPF_MAP_TYPE_PROG_ARRAY] = "prog_array",
- [BPF_MAP_TYPE_PERF_EVENT_ARRAY] = "perf_event_array",
- [BPF_MAP_TYPE_PERCPU_HASH] = "percpu_hash",
- [BPF_MAP_TYPE_PERCPU_ARRAY] = "percpu_array",
- [BPF_MAP_TYPE_STACK_TRACE] = "stack_trace",
- [BPF_MAP_TYPE_CGROUP_ARRAY] = "cgroup_array",
- [BPF_MAP_TYPE_LRU_HASH] = "lru_hash",
- [BPF_MAP_TYPE_LRU_PERCPU_HASH] = "lru_percpu_hash",
- [BPF_MAP_TYPE_LPM_TRIE] = "lpm_trie",
- [BPF_MAP_TYPE_ARRAY_OF_MAPS] = "array_of_maps",
- [BPF_MAP_TYPE_HASH_OF_MAPS] = "hash_of_maps",
- [BPF_MAP_TYPE_DEVMAP] = "devmap",
- [BPF_MAP_TYPE_DEVMAP_HASH] = "devmap_hash",
- [BPF_MAP_TYPE_SOCKMAP] = "sockmap",
- [BPF_MAP_TYPE_CPUMAP] = "cpumap",
- [BPF_MAP_TYPE_XSKMAP] = "xskmap",
- [BPF_MAP_TYPE_SOCKHASH] = "sockhash",
- [BPF_MAP_TYPE_CGROUP_STORAGE] = "cgroup_storage",
- [BPF_MAP_TYPE_REUSEPORT_SOCKARRAY] = "reuseport_sockarray",
- [BPF_MAP_TYPE_PERCPU_CGROUP_STORAGE] = "percpu_cgroup_storage",
- [BPF_MAP_TYPE_QUEUE] = "queue",
- [BPF_MAP_TYPE_STACK] = "stack",
- [BPF_MAP_TYPE_SK_STORAGE] = "sk_storage",
- [BPF_MAP_TYPE_STRUCT_OPS] = "struct_ops",
- [BPF_MAP_TYPE_RINGBUF] = "ringbuf",
- [BPF_MAP_TYPE_INODE_STORAGE] = "inode_storage",
- [BPF_MAP_TYPE_TASK_STORAGE] = "task_storage",
- [BPF_MAP_TYPE_BLOOM_FILTER] = "bloom_filter",
-};
-
-const size_t map_type_name_size = ARRAY_SIZE(map_type_name);
-
static struct hashmap *map_table;
static bool map_is_per_cpu(__u32 type)
@@ -81,12 +45,18 @@ static bool map_is_map_of_progs(__u32 type)
static int map_type_from_str(const char *type)
{
+ const char *map_type_str;
unsigned int i;
- for (i = 0; i < ARRAY_SIZE(map_type_name); i++)
+ for (i = 0; ; i++) {
+ map_type_str = libbpf_bpf_map_type_str(i);
+ if (!map_type_str)
+ break;
+
/* Don't allow prefixing in case of possible future shadowing */
- if (map_type_name[i] && !strcmp(map_type_name[i], type))
+ if (!strcmp(map_type_str, type))
return i;
+ }
return -1;
}
@@ -472,9 +442,12 @@ static int parse_elem(char **argv, struct bpf_map_info *info,
static void show_map_header_json(struct bpf_map_info *info, json_writer_t *wtr)
{
+ const char *map_type_str;
+
jsonw_uint_field(wtr, "id", info->id);
- if (info->type < ARRAY_SIZE(map_type_name))
- jsonw_string_field(wtr, "type", map_type_name[info->type]);
+ map_type_str = libbpf_bpf_map_type_str(info->type);
+ if (map_type_str)
+ jsonw_string_field(wtr, "type", map_type_str);
else
jsonw_uint_field(wtr, "type", info->type);
@@ -513,10 +486,12 @@ static int show_map_close_json(int fd, struct bpf_map_info *info)
if (owner_prog_type) {
unsigned int prog_type = atoi(owner_prog_type);
+ const char *prog_type_str;
- if (prog_type < prog_type_name_size)
+ prog_type_str = libbpf_bpf_prog_type_str(prog_type);
+ if (prog_type_str)
jsonw_string_field(json_wtr, "owner_prog_type",
- prog_type_name[prog_type]);
+ prog_type_str);
else
jsonw_uint_field(json_wtr, "owner_prog_type",
prog_type);
@@ -559,9 +534,13 @@ static int show_map_close_json(int fd, struct bpf_map_info *info)
static void show_map_header_plain(struct bpf_map_info *info)
{
+ const char *map_type_str;
+
printf("%u: ", info->id);
- if (info->type < ARRAY_SIZE(map_type_name))
- printf("%s ", map_type_name[info->type]);
+
+ map_type_str = libbpf_bpf_map_type_str(info->type);
+ if (map_type_str)
+ printf("%s ", map_type_str);
else
printf("type %u ", info->type);
@@ -597,10 +576,11 @@ static int show_map_close_plain(int fd, struct bpf_map_info *info)
printf("\n\t");
if (owner_prog_type) {
unsigned int prog_type = atoi(owner_prog_type);
+ const char *prog_type_str;
- if (prog_type < prog_type_name_size)
- printf("owner_prog_type %s ",
- prog_type_name[prog_type]);
+ prog_type_str = libbpf_bpf_prog_type_str(prog_type);
+ if (prog_type_str)
+ printf("owner_prog_type %s ", prog_type_str);
else
printf("owner_prog_type %d ", prog_type);
}
@@ -876,9 +856,13 @@ map_dump(int fd, struct bpf_map_info *info, json_writer_t *wtr,
}
if (info->type == BPF_MAP_TYPE_REUSEPORT_SOCKARRAY &&
- info->value_size != 8)
+ info->value_size != 8) {
+ const char *map_type_str;
+
+ map_type_str = libbpf_bpf_map_type_str(info->type);
p_info("Warning: cannot read values from %s map with value_size != 8",
- map_type_name[info->type]);
+ map_type_str);
+ }
while (true) {
err = bpf_map_get_next_key(fd, prev_key, key);
if (err) {
@@ -1342,6 +1326,8 @@ static int do_create(int argc, char **argv)
goto exit;
}
+ set_max_rlimit();
+
fd = bpf_map_create(map_type, map_name, key_size, value_size, max_entries, &attr);
if (fd < 0) {
p_err("map create failed: %s", strerror(errno));
@@ -1473,7 +1459,7 @@ static int do_help(int argc, char **argv)
" devmap | devmap_hash | sockmap | cpumap | xskmap | sockhash |\n"
" cgroup_storage | reuseport_sockarray | percpu_cgroup_storage |\n"
" queue | stack | sk_storage | struct_ops | ringbuf | inode_storage |\n"
- " task_storage | bloom_filter }\n"
+ " task_storage | bloom_filter | user_ringbuf }\n"
" " HELP_SPEC_OPTIONS " |\n"
" {-f|--bpffs} | {-n|--nomount} }\n"
"",
diff --git a/tools/bpf/bpftool/map_perf_ring.c b/tools/bpf/bpftool/map_perf_ring.c
index 6b0c410152de..21d7d447e1f3 100644
--- a/tools/bpf/bpftool/map_perf_ring.c
+++ b/tools/bpf/bpftool/map_perf_ring.c
@@ -29,13 +29,6 @@
static volatile bool stop;
-struct event_ring_info {
- int fd;
- int key;
- unsigned int cpu;
- void *mem;
-};
-
struct perf_event_sample {
struct perf_event_header header;
__u64 time;
@@ -195,10 +188,9 @@ int do_event_pipe(int argc, char **argv)
opts.map_keys = &ctx.idx;
pb = perf_buffer__new_raw(map_fd, MMAP_PAGE_CNT, &perf_attr,
print_bpf_output, &ctx, &opts);
- err = libbpf_get_error(pb);
- if (err) {
+ if (!pb) {
p_err("failed to create perf buffer: %s (%d)",
- strerror(err), err);
+ strerror(errno), errno);
goto err_close_map;
}
@@ -213,7 +205,7 @@ int do_event_pipe(int argc, char **argv)
err = perf_buffer__poll(pb, 200);
if (err < 0 && err != -EINTR) {
p_err("perf buffer polling failed: %s (%d)",
- strerror(err), err);
+ strerror(errno), errno);
goto err_close_pb;
}
}
diff --git a/tools/bpf/bpftool/pids.c b/tools/bpf/bpftool/pids.c
index e2d00d3cd868..bb6c969a114a 100644
--- a/tools/bpf/bpftool/pids.c
+++ b/tools/bpf/bpftool/pids.c
@@ -108,6 +108,7 @@ int build_obj_refs_table(struct hashmap **map, enum bpf_obj_type type)
p_err("failed to create hashmap for PID references");
return -1;
}
+ set_max_rlimit();
skel = pid_iter_bpf__open();
if (!skel) {
diff --git a/tools/bpf/bpftool/prog.c b/tools/bpf/bpftool/prog.c
index 5c2c63df92e8..c81362a001ba 100644
--- a/tools/bpf/bpftool/prog.c
+++ b/tools/bpf/bpftool/prog.c
@@ -36,54 +36,28 @@
#define BPF_METADATA_PREFIX "bpf_metadata_"
#define BPF_METADATA_PREFIX_LEN (sizeof(BPF_METADATA_PREFIX) - 1)
-const char * const prog_type_name[] = {
- [BPF_PROG_TYPE_UNSPEC] = "unspec",
- [BPF_PROG_TYPE_SOCKET_FILTER] = "socket_filter",
- [BPF_PROG_TYPE_KPROBE] = "kprobe",
- [BPF_PROG_TYPE_SCHED_CLS] = "sched_cls",
- [BPF_PROG_TYPE_SCHED_ACT] = "sched_act",
- [BPF_PROG_TYPE_TRACEPOINT] = "tracepoint",
- [BPF_PROG_TYPE_XDP] = "xdp",
- [BPF_PROG_TYPE_PERF_EVENT] = "perf_event",
- [BPF_PROG_TYPE_CGROUP_SKB] = "cgroup_skb",
- [BPF_PROG_TYPE_CGROUP_SOCK] = "cgroup_sock",
- [BPF_PROG_TYPE_LWT_IN] = "lwt_in",
- [BPF_PROG_TYPE_LWT_OUT] = "lwt_out",
- [BPF_PROG_TYPE_LWT_XMIT] = "lwt_xmit",
- [BPF_PROG_TYPE_SOCK_OPS] = "sock_ops",
- [BPF_PROG_TYPE_SK_SKB] = "sk_skb",
- [BPF_PROG_TYPE_CGROUP_DEVICE] = "cgroup_device",
- [BPF_PROG_TYPE_SK_MSG] = "sk_msg",
- [BPF_PROG_TYPE_RAW_TRACEPOINT] = "raw_tracepoint",
- [BPF_PROG_TYPE_CGROUP_SOCK_ADDR] = "cgroup_sock_addr",
- [BPF_PROG_TYPE_LWT_SEG6LOCAL] = "lwt_seg6local",
- [BPF_PROG_TYPE_LIRC_MODE2] = "lirc_mode2",
- [BPF_PROG_TYPE_SK_REUSEPORT] = "sk_reuseport",
- [BPF_PROG_TYPE_FLOW_DISSECTOR] = "flow_dissector",
- [BPF_PROG_TYPE_CGROUP_SYSCTL] = "cgroup_sysctl",
- [BPF_PROG_TYPE_RAW_TRACEPOINT_WRITABLE] = "raw_tracepoint_writable",
- [BPF_PROG_TYPE_CGROUP_SOCKOPT] = "cgroup_sockopt",
- [BPF_PROG_TYPE_TRACING] = "tracing",
- [BPF_PROG_TYPE_STRUCT_OPS] = "struct_ops",
- [BPF_PROG_TYPE_EXT] = "ext",
- [BPF_PROG_TYPE_LSM] = "lsm",
- [BPF_PROG_TYPE_SK_LOOKUP] = "sk_lookup",
- [BPF_PROG_TYPE_SYSCALL] = "syscall",
-};
-
-const size_t prog_type_name_size = ARRAY_SIZE(prog_type_name);
-
enum dump_mode {
DUMP_JITED,
DUMP_XLATED,
};
+static const bool attach_types[] = {
+ [BPF_SK_SKB_STREAM_PARSER] = true,
+ [BPF_SK_SKB_STREAM_VERDICT] = true,
+ [BPF_SK_SKB_VERDICT] = true,
+ [BPF_SK_MSG_VERDICT] = true,
+ [BPF_FLOW_DISSECTOR] = true,
+ [__MAX_BPF_ATTACH_TYPE] = false,
+};
+
+/* Textual representations traditionally used by the program and kept around
+ * for the sake of backwards compatibility.
+ */
static const char * const attach_type_strings[] = {
[BPF_SK_SKB_STREAM_PARSER] = "stream_parser",
[BPF_SK_SKB_STREAM_VERDICT] = "stream_verdict",
[BPF_SK_SKB_VERDICT] = "skb_verdict",
[BPF_SK_MSG_VERDICT] = "msg_verdict",
- [BPF_FLOW_DISSECTOR] = "flow_dissector",
[__MAX_BPF_ATTACH_TYPE] = NULL,
};
@@ -94,6 +68,14 @@ static enum bpf_attach_type parse_attach_type(const char *str)
enum bpf_attach_type type;
for (type = 0; type < __MAX_BPF_ATTACH_TYPE; type++) {
+ if (attach_types[type]) {
+ const char *attach_type_str;
+
+ attach_type_str = libbpf_bpf_attach_type_str(type);
+ if (!strcmp(str, attach_type_str))
+ return type;
+ }
+
if (attach_type_strings[type] &&
is_prefix(str, attach_type_strings[type]))
return type;
@@ -428,12 +410,14 @@ out_free:
static void print_prog_header_json(struct bpf_prog_info *info, int fd)
{
+ const char *prog_type_str;
char prog_name[MAX_PROG_FULL_NAME];
jsonw_uint_field(json_wtr, "id", info->id);
- if (info->type < ARRAY_SIZE(prog_type_name))
- jsonw_string_field(json_wtr, "type",
- prog_type_name[info->type]);
+ prog_type_str = libbpf_bpf_prog_type_str(info->type);
+
+ if (prog_type_str)
+ jsonw_string_field(json_wtr, "type", prog_type_str);
else
jsonw_uint_field(json_wtr, "type", info->type);
@@ -515,11 +499,13 @@ static void print_prog_json(struct bpf_prog_info *info, int fd)
static void print_prog_header_plain(struct bpf_prog_info *info, int fd)
{
+ const char *prog_type_str;
char prog_name[MAX_PROG_FULL_NAME];
printf("%u: ", info->id);
- if (info->type < ARRAY_SIZE(prog_type_name))
- printf("%s ", prog_type_name[info->type]);
+ prog_type_str = libbpf_bpf_prog_type_str(info->type);
+ if (prog_type_str)
+ printf("%s ", prog_type_str);
else
printf("type %u ", info->type);
@@ -1604,6 +1590,8 @@ static int load_with_options(int argc, char **argv, bool first_prog_only)
}
}
+ set_max_rlimit();
+
if (verifier_logs)
/* log_level1 + log_level2 + stats, but not stable UAPI */
open_opts.kernel_log_level = 1 + 2 + 4;
@@ -1974,7 +1962,7 @@ static int profile_parse_metrics(int argc, char **argv)
int selected_cnt = 0;
unsigned int i;
- metric_cnt = sizeof(metrics) / sizeof(struct profile_metric);
+ metric_cnt = ARRAY_SIZE(metrics);
while (argc > 0) {
for (i = 0; i < metric_cnt; i++) {
@@ -2301,6 +2289,7 @@ static int do_profile(int argc, char **argv)
}
}
+ set_max_rlimit();
err = profiler_bpf__load(profile_obj);
if (err) {
p_err("failed to load profile_obj");
@@ -2374,8 +2363,8 @@ static int do_help(int argc, char **argv)
" cgroup/sendmsg6 | cgroup/recvmsg4 | cgroup/recvmsg6 |\n"
" cgroup/getsockopt | cgroup/setsockopt | cgroup/sock_release |\n"
" struct_ops | fentry | fexit | freplace | sk_lookup }\n"
- " ATTACH_TYPE := { msg_verdict | skb_verdict | stream_verdict |\n"
- " stream_parser | flow_dissector }\n"
+ " ATTACH_TYPE := { sk_msg_verdict | sk_skb_verdict | sk_skb_stream_verdict |\n"
+ " sk_skb_stream_parser | flow_dissector }\n"
" METRIC := { cycles | instructions | l1d_loads | llc_misses | itlb_misses | dtlb_misses }\n"
" " HELP_SPEC_OPTIONS " |\n"
" {-f|--bpffs} | {-m|--mapcompat} | {-n|--nomount} |\n"
diff --git a/tools/bpf/bpftool/struct_ops.c b/tools/bpf/bpftool/struct_ops.c
index 2535f079ed67..e08a6ff2866c 100644
--- a/tools/bpf/bpftool/struct_ops.c
+++ b/tools/bpf/bpftool/struct_ops.c
@@ -501,6 +501,8 @@ static int do_register(int argc, char **argv)
if (libbpf_get_error(obj))
return -1;
+ set_max_rlimit();
+
if (bpf_object__load(obj)) {
bpf_object__close(obj);
return -1;
diff --git a/tools/bpf/resolve_btfids/main.c b/tools/bpf/resolve_btfids/main.c
index 5d26f3c6f918..80cd7843c677 100644
--- a/tools/bpf/resolve_btfids/main.c
+++ b/tools/bpf/resolve_btfids/main.c
@@ -45,6 +45,19 @@
* .zero 4
* __BTF_ID__func__vfs_fallocate__4:
* .zero 4
+ *
+ * set8 - store symbol size into first 4 bytes and sort following
+ * ID list
+ *
+ * __BTF_ID__set8__list:
+ * .zero 8
+ * list:
+ * __BTF_ID__func__vfs_getattr__3:
+ * .zero 4
+ * .word (1 << 0) | (1 << 2)
+ * __BTF_ID__func__vfs_fallocate__5:
+ * .zero 4
+ * .word (1 << 3) | (1 << 1) | (1 << 2)
*/
#define _GNU_SOURCE
@@ -72,6 +85,7 @@
#define BTF_TYPEDEF "typedef"
#define BTF_FUNC "func"
#define BTF_SET "set"
+#define BTF_SET8 "set8"
#define ADDR_CNT 100
@@ -84,6 +98,7 @@ struct btf_id {
};
int addr_cnt;
bool is_set;
+ bool is_set8;
Elf64_Addr addr[ADDR_CNT];
};
@@ -231,14 +246,14 @@ static char *get_id(const char *prefix_end)
return id;
}
-static struct btf_id *add_set(struct object *obj, char *name)
+static struct btf_id *add_set(struct object *obj, char *name, bool is_set8)
{
/*
* __BTF_ID__set__name
* name = ^
* id = ^
*/
- char *id = name + sizeof(BTF_SET "__") - 1;
+ char *id = name + (is_set8 ? sizeof(BTF_SET8 "__") : sizeof(BTF_SET "__")) - 1;
int len = strlen(name);
if (id >= name + len) {
@@ -444,9 +459,21 @@ static int symbols_collect(struct object *obj)
} else if (!strncmp(prefix, BTF_FUNC, sizeof(BTF_FUNC) - 1)) {
obj->nr_funcs++;
id = add_symbol(&obj->funcs, prefix, sizeof(BTF_FUNC) - 1);
+ /* set8 */
+ } else if (!strncmp(prefix, BTF_SET8, sizeof(BTF_SET8) - 1)) {
+ id = add_set(obj, prefix, true);
+ /*
+ * SET8 objects store list's count, which is encoded
+ * in symbol's size, together with 'cnt' field hence
+ * that - 1.
+ */
+ if (id) {
+ id->cnt = sym.st_size / sizeof(uint64_t) - 1;
+ id->is_set8 = true;
+ }
/* set */
} else if (!strncmp(prefix, BTF_SET, sizeof(BTF_SET) - 1)) {
- id = add_set(obj, prefix);
+ id = add_set(obj, prefix, false);
/*
* SET objects store list's count, which is encoded
* in symbol's size, together with 'cnt' field hence
@@ -571,7 +598,8 @@ static int id_patch(struct object *obj, struct btf_id *id)
int *ptr = data->d_buf;
int i;
- if (!id->id && !id->is_set)
+ /* For set, set8, id->id may be 0 */
+ if (!id->id && !id->is_set && !id->is_set8)
pr_err("WARN: resolve_btfids: unresolved symbol %s\n", id->name);
for (i = 0; i < id->addr_cnt; i++) {
@@ -643,13 +671,13 @@ static int sets_patch(struct object *obj)
}
idx = idx / sizeof(int);
- base = &ptr[idx] + 1;
+ base = &ptr[idx] + (id->is_set8 ? 2 : 1);
cnt = ptr[idx];
pr_debug("sorting addr %5lu: cnt %6d [%s]\n",
(idx + 1) * sizeof(int), cnt, id->name);
- qsort(base, cnt, sizeof(int), cmp_id);
+ qsort(base, cnt, id->is_set8 ? sizeof(uint64_t) : sizeof(int), cmp_id);
next = rb_next(next);
}
diff --git a/tools/bpf/runqslower/Makefile b/tools/bpf/runqslower/Makefile
index da6de16a3dfb..8b3d87b82b7a 100644
--- a/tools/bpf/runqslower/Makefile
+++ b/tools/bpf/runqslower/Makefile
@@ -4,7 +4,7 @@ include ../../scripts/Makefile.include
OUTPUT ?= $(abspath .output)/
BPFTOOL_OUTPUT := $(OUTPUT)bpftool/
-DEFAULT_BPFTOOL := $(BPFTOOL_OUTPUT)bpftool
+DEFAULT_BPFTOOL := $(BPFTOOL_OUTPUT)bootstrap/bpftool
BPFTOOL ?= $(DEFAULT_BPFTOOL)
LIBBPF_SRC := $(abspath ../../lib/bpf)
BPFOBJ_OUTPUT := $(OUTPUT)libbpf/
@@ -86,6 +86,5 @@ $(BPFOBJ): $(wildcard $(LIBBPF_SRC)/*.[ch] $(LIBBPF_SRC)/Makefile) | $(BPFOBJ_OU
$(Q)$(MAKE) $(submake_extras) -C $(LIBBPF_SRC) OUTPUT=$(BPFOBJ_OUTPUT) \
DESTDIR=$(BPFOBJ_OUTPUT) prefix= $(abspath $@) install_headers
-$(DEFAULT_BPFTOOL): $(BPFOBJ) | $(BPFTOOL_OUTPUT)
- $(Q)$(MAKE) $(submake_extras) -C ../bpftool OUTPUT=$(BPFTOOL_OUTPUT) \
- ARCH= CROSS_COMPILE= CC=$(HOSTCC) LD=$(HOSTLD)
+$(DEFAULT_BPFTOOL): | $(BPFTOOL_OUTPUT)
+ $(Q)$(MAKE) $(submake_extras) -C ../bpftool OUTPUT=$(BPFTOOL_OUTPUT) bootstrap
diff --git a/tools/build/Makefile.feature b/tools/build/Makefile.feature
index 888a0421d43b..38f8851bd7cb 100644
--- a/tools/build/Makefile.feature
+++ b/tools/build/Makefile.feature
@@ -70,6 +70,7 @@ FEATURE_TESTS_BASIC := \
libaio \
libzstd \
disassembler-four-args \
+ disassembler-init-styled \
file-handle
# FEATURE_TESTS_BASIC + FEATURE_TESTS_EXTRA is the complete list
@@ -102,6 +103,7 @@ FEATURE_TESTS_EXTRA := \
libbpf-bpf_prog_load \
libbpf-bpf_object__next_program \
libbpf-bpf_object__next_map \
+ libbpf-bpf_program__set_insns \
libbpf-bpf_create_map \
libpfm4 \
libdebuginfod \
@@ -134,8 +136,13 @@ FEATURE_DISPLAY ?= \
get_cpuid \
bpf \
libaio \
- libzstd \
- disassembler-four-args
+ libzstd
+
+#
+# Declare group members of a feature to display the logical OR of the detection
+# result instead of each member result.
+#
+FEATURE_GROUP_MEMBERS-libbfd = libbfd-liberty libbfd-liberty-z
# Set FEATURE_CHECK_(C|LD)FLAGS-all for all FEATURE_TESTS features.
# If in the future we need per-feature checks/flags for features not
@@ -177,19 +184,28 @@ endif
#
# Print the result of the feature test:
#
-feature_print_status = $(eval $(feature_print_status_code)) $(info $(MSG))
+feature_print_status = $(eval $(feature_print_status_code))
+
+feature_group = $(eval $(feature_gen_group)) $(GROUP)
+
+define feature_gen_group
+ GROUP := $(1)
+ ifneq ($(feature_verbose),1)
+ GROUP += $(FEATURE_GROUP_MEMBERS-$(1))
+ endif
+endef
define feature_print_status_code
- ifeq ($(feature-$(1)), 1)
- MSG = $(shell printf '...%30s: [ \033[32mon\033[m ]' $(1))
+ ifneq (,$(filter 1,$(foreach feat,$(call feature_group,$(feat)),$(feature-$(feat)))))
+ MSG = $(shell printf '...%40s: [ \033[32mon\033[m ]' $(1))
else
- MSG = $(shell printf '...%30s: [ \033[31mOFF\033[m ]' $(1))
+ MSG = $(shell printf '...%40s: [ \033[31mOFF\033[m ]' $(1))
endif
endef
-feature_print_text = $(eval $(feature_print_text_code)) $(info $(MSG))
+feature_print_text = $(eval $(feature_print_text_code))
define feature_print_text_code
- MSG = $(shell printf '...%30s: %s' $(1) $(2))
+ MSG = $(shell printf '...%40s: %s' $(1) $(2))
endef
#
@@ -244,24 +260,29 @@ ifeq ($(VF),1)
feature_verbose := 1
endif
+ifneq ($(feature_verbose),1)
+ #
+ # Determine the features to omit from the displayed message, as only the
+ # logical OR of the detection result will be shown.
+ #
+ FEATURE_OMIT := $(foreach feat,$(FEATURE_DISPLAY),$(FEATURE_GROUP_MEMBERS-$(feat)))
+endif
+
feature_display_entries = $(eval $(feature_display_entries_code))
define feature_display_entries_code
ifeq ($(feature_display),1)
- $(info )
- $(info Auto-detecting system features:)
- $(foreach feat,$(FEATURE_DISPLAY),$(call feature_print_status,$(feat),))
- ifneq ($(feature_verbose),1)
- $(info )
- endif
+ $$(info )
+ $$(info Auto-detecting system features:)
+ $(foreach feat,$(filter-out $(FEATURE_OMIT),$(FEATURE_DISPLAY)),$(call feature_print_status,$(feat),) $$(info $(MSG)))
endif
ifeq ($(feature_verbose),1)
- TMP := $(filter-out $(FEATURE_DISPLAY),$(FEATURE_TESTS))
- $(foreach feat,$(TMP),$(call feature_print_status,$(feat),))
- $(info )
+ $(eval TMP := $(filter-out $(FEATURE_DISPLAY),$(FEATURE_TESTS)))
+ $(foreach feat,$(TMP),$(call feature_print_status,$(feat),) $$(info $(MSG)))
endif
endef
ifeq ($(FEATURE_DISPLAY_DEFERRED),)
$(call feature_display_entries)
+ $(info )
endif
diff --git a/tools/build/feature/Makefile b/tools/build/feature/Makefile
index 7c2a17e23c30..690fe97be190 100644
--- a/tools/build/feature/Makefile
+++ b/tools/build/feature/Makefile
@@ -18,6 +18,7 @@ FILES= \
test-libbfd.bin \
test-libbfd-buildid.bin \
test-disassembler-four-args.bin \
+ test-disassembler-init-styled.bin \
test-reallocarray.bin \
test-libbfd-liberty.bin \
test-libbfd-liberty-z.bin \
@@ -62,6 +63,7 @@ FILES= \
test-libbpf-bpf_map_create.bin \
test-libbpf-bpf_object__next_program.bin \
test-libbpf-bpf_object__next_map.bin \
+ test-libbpf-bpf_program__set_insns.bin \
test-libbpf-btf__raw_data.bin \
test-get_cpuid.bin \
test-sdt.bin \
@@ -89,6 +91,8 @@ all: $(FILES)
__BUILD = $(CC) $(CFLAGS) -MD -Wall -Werror -o $@ $(patsubst %.bin,%.c,$(@F)) $(LDFLAGS)
BUILD = $(__BUILD) > $(@:.bin=.make.output) 2>&1
+ BUILD_BFD = $(BUILD) -DPACKAGE='"perf"' -lbfd -ldl
+ BUILD_ALL = $(BUILD) -fstack-protector-all -O2 -D_FORTIFY_SOURCE=2 -ldw -lelf -lnuma -lelf -lslang $(FLAGS_PERL_EMBED) $(FLAGS_PYTHON_EMBED) -DPACKAGE='"perf"' -lbfd -ldl -lz -llzma -lzstd -lcap
__BUILDXX = $(CXX) $(CXXFLAGS) -MD -Wall -Werror -o $@ $(patsubst %.bin,%.cpp,$(@F)) $(LDFLAGS)
BUILDXX = $(__BUILDXX) > $(@:.bin=.make.output) 2>&1
@@ -96,7 +100,7 @@ __BUILDXX = $(CXX) $(CXXFLAGS) -MD -Wall -Werror -o $@ $(patsubst %.bin,%.cpp,$(
###############################
$(OUTPUT)test-all.bin:
- $(BUILD) -fstack-protector-all -O2 -D_FORTIFY_SOURCE=2 -ldw -lelf -lnuma -lelf -lslang $(FLAGS_PERL_EMBED) $(FLAGS_PYTHON_EMBED) -DPACKAGE='"perf"' -lbfd -ldl -lz -llzma -lzstd -lcap
+ $(BUILD_ALL) || $(BUILD_ALL) -lopcodes -liberty
$(OUTPUT)test-hello.bin:
$(BUILD)
@@ -240,13 +244,18 @@ $(OUTPUT)test-libpython.bin:
$(BUILD) $(FLAGS_PYTHON_EMBED)
$(OUTPUT)test-libbfd.bin:
- $(BUILD) -DPACKAGE='"perf"' -lbfd -ldl
+ $(BUILD_BFD)
$(OUTPUT)test-libbfd-buildid.bin:
- $(BUILD) -DPACKAGE='"perf"' -lbfd -ldl
+ $(BUILD_BFD) || $(BUILD_BFD) -liberty || $(BUILD_BFD) -liberty -lz
$(OUTPUT)test-disassembler-four-args.bin:
- $(BUILD) -DPACKAGE='"perf"' -lbfd -lopcodes
+ $(BUILD_BFD) -lopcodes || $(BUILD_BFD) -lopcodes -liberty || \
+ $(BUILD_BFD) -lopcodes -liberty -lz
+
+$(OUTPUT)test-disassembler-init-styled.bin:
+ $(BUILD_BFD) -lopcodes || $(BUILD_BFD) -lopcodes -liberty || \
+ $(BUILD_BFD) -lopcodes -liberty -lz
$(OUTPUT)test-reallocarray.bin:
$(BUILD)
@@ -308,6 +317,9 @@ $(OUTPUT)test-libbpf-bpf_object__next_program.bin:
$(OUTPUT)test-libbpf-bpf_object__next_map.bin:
$(BUILD) -lbpf
+$(OUTPUT)test-libbpf-bpf_program__set_insns.bin:
+ $(BUILD) -lbpf
+
$(OUTPUT)test-libbpf-btf__raw_data.bin:
$(BUILD) -lbpf
diff --git a/tools/build/feature/test-all.c b/tools/build/feature/test-all.c
index 5ffafb967b6e..957c02c7b163 100644
--- a/tools/build/feature/test-all.c
+++ b/tools/build/feature/test-all.c
@@ -166,6 +166,10 @@
# include "test-disassembler-four-args.c"
#undef main
+#define main main_test_disassembler_init_styled
+# include "test-disassembler-init-styled.c"
+#undef main
+
#define main main_test_libzstd
# include "test-libzstd.c"
#undef main
diff --git a/tools/build/feature/test-disassembler-init-styled.c b/tools/build/feature/test-disassembler-init-styled.c
new file mode 100644
index 000000000000..f1ce0ec3bee9
--- /dev/null
+++ b/tools/build/feature/test-disassembler-init-styled.c
@@ -0,0 +1,13 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <stdio.h>
+#include <dis-asm.h>
+
+int main(void)
+{
+ struct disassemble_info info;
+
+ init_disassemble_info(&info, stdout,
+ NULL, NULL);
+
+ return 0;
+}
diff --git a/tools/build/feature/test-libbpf-bpf_program__set_insns.c b/tools/build/feature/test-libbpf-bpf_program__set_insns.c
new file mode 100644
index 000000000000..f3b7f18c8f49
--- /dev/null
+++ b/tools/build/feature/test-libbpf-bpf_program__set_insns.c
@@ -0,0 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <bpf/libbpf.h>
+
+int main(void)
+{
+ bpf_program__set_insns(NULL /* prog */, NULL /* new_insns */, 0 /* new_insn_cnt */);
+ return 0;
+}
diff --git a/tools/build/feature/test-libcrypto.c b/tools/build/feature/test-libcrypto.c
index a98174e0569c..bc34a5bbb504 100644
--- a/tools/build/feature/test-libcrypto.c
+++ b/tools/build/feature/test-libcrypto.c
@@ -1,16 +1,23 @@
// SPDX-License-Identifier: GPL-2.0
+#include <openssl/evp.h>
#include <openssl/sha.h>
#include <openssl/md5.h>
int main(void)
{
- MD5_CTX context;
+ EVP_MD_CTX *mdctx;
unsigned char md[MD5_DIGEST_LENGTH + SHA_DIGEST_LENGTH];
unsigned char dat[] = "12345";
+ unsigned int digest_len;
- MD5_Init(&context);
- MD5_Update(&context, &dat[0], sizeof(dat));
- MD5_Final(&md[0], &context);
+ mdctx = EVP_MD_CTX_new();
+ if (!mdctx)
+ return 0;
+
+ EVP_DigestInit_ex(mdctx, EVP_md5(), NULL);
+ EVP_DigestUpdate(mdctx, &dat[0], sizeof(dat));
+ EVP_DigestFinal_ex(mdctx, &md[0], &digest_len);
+ EVP_MD_CTX_free(mdctx);
SHA1(&dat[0], sizeof(dat), &md[0]);
diff --git a/tools/cgroup/iocost_monitor.py b/tools/cgroup/iocost_monitor.py
index c4ff907c078b..0dbbc67400fc 100644
--- a/tools/cgroup/iocost_monitor.py
+++ b/tools/cgroup/iocost_monitor.py
@@ -61,6 +61,11 @@ autop_names = {
}
class BlkgIterator:
+ def __init__(self, root_blkcg, q_id, include_dying=False):
+ self.include_dying = include_dying
+ self.blkgs = []
+ self.walk(root_blkcg, q_id, '')
+
def blkcg_name(blkcg):
return blkcg.css.cgroup.kn.name.string_().decode('utf-8')
@@ -82,11 +87,6 @@ class BlkgIterator:
blkcg.css.children.address_of_(), 'css.sibling'):
self.walk(c, q_id, path)
- def __init__(self, root_blkcg, q_id, include_dying=False):
- self.include_dying = include_dying
- self.blkgs = []
- self.walk(root_blkcg, q_id, '')
-
def __iter__(self):
return iter(self.blkgs)
diff --git a/tools/cgroup/memcg_shrinker.py b/tools/cgroup/memcg_shrinker.py
new file mode 100644
index 000000000000..706ab27666a4
--- /dev/null
+++ b/tools/cgroup/memcg_shrinker.py
@@ -0,0 +1,71 @@
+#!/usr/bin/env python3
+#
+# Copyright (C) 2022 Roman Gushchin <roman.gushchin@linux.dev>
+# Copyright (C) 2022 Meta
+
+import os
+import argparse
+import sys
+
+
+def scan_cgroups(cgroup_root):
+ cgroups = {}
+
+ for root, subdirs, _ in os.walk(cgroup_root):
+ for cgroup in subdirs:
+ path = os.path.join(root, cgroup)
+ ino = os.stat(path).st_ino
+ cgroups[ino] = path
+
+ # (memcg ino, path)
+ return cgroups
+
+
+def scan_shrinkers(shrinker_debugfs):
+ shrinkers = []
+
+ for root, subdirs, _ in os.walk(shrinker_debugfs):
+ for shrinker in subdirs:
+ count_path = os.path.join(root, shrinker, "count")
+ with open(count_path) as f:
+ for line in f.readlines():
+ items = line.split(' ')
+ ino = int(items[0])
+ # (count, shrinker, memcg ino)
+ shrinkers.append((int(items[1]), shrinker, ino))
+ return shrinkers
+
+
+def main():
+ parser = argparse.ArgumentParser(description='Display biggest shrinkers')
+ parser.add_argument('-n', '--lines', type=int, help='Number of lines to print')
+
+ args = parser.parse_args()
+
+ cgroups = scan_cgroups("/sys/fs/cgroup/")
+ shrinkers = scan_shrinkers("/sys/kernel/debug/shrinker/")
+ shrinkers = sorted(shrinkers, reverse = True, key = lambda x: x[0])
+
+ n = 0
+ for s in shrinkers:
+ count, name, ino = (s[0], s[1], s[2])
+ if count == 0:
+ break
+
+ if ino == 0 or ino == 1:
+ cg = "/"
+ else:
+ try:
+ cg = cgroups[ino]
+ except KeyError:
+ cg = "unknown (%d)" % ino
+
+ print("%-8s %-20s %s" % (count, name, cg))
+
+ n += 1
+ if args.lines and n >= args.lines:
+ break
+
+
+if __name__ == '__main__':
+ main()
diff --git a/tools/debugging/kernel-chktaint b/tools/debugging/kernel-chktaint
index f1af27ce9f20..279be06332be 100755
--- a/tools/debugging/kernel-chktaint
+++ b/tools/debugging/kernel-chktaint
@@ -187,6 +187,7 @@ else
echo " * auxiliary taint, defined for and used by distros (#16)"
fi
+
T=`expr $T / 2`
if [ `expr $T % 2` -eq 0 ]; then
addout " "
@@ -195,6 +196,14 @@ else
echo " * kernel was built with the struct randomization plugin (#17)"
fi
+T=`expr $T / 2`
+if [ `expr $T % 2` -eq 0 ]; then
+ addout " "
+else
+ addout "N"
+ echo " * an in-kernel test (such as a KUnit test) has been run (#18)"
+fi
+
echo "For a more detailed explanation of the various taint flags see"
echo " Documentation/admin-guide/tainted-kernels.rst in the Linux kernel sources"
echo " or https://kernel.org/doc/html/latest/admin-guide/tainted-kernels.html"
diff --git a/tools/hv/hv_kvp_daemon.c b/tools/hv/hv_kvp_daemon.c
index 1e6fd6ca513b..27f5e7dfc2f7 100644
--- a/tools/hv/hv_kvp_daemon.c
+++ b/tools/hv/hv_kvp_daemon.c
@@ -44,7 +44,7 @@
/*
* KVP protocol: The user mode component first registers with the
- * the kernel component. Subsequently, the kernel component requests, data
+ * kernel component. Subsequently, the kernel component requests, data
* for the specified keys. In response to this message the user mode component
* fills in the value corresponding to the specified key. We overload the
* sequence field in the cn_msg header to define our KVP message types.
@@ -772,11 +772,11 @@ static int kvp_process_ip_address(void *addrp,
const char *str;
if (family == AF_INET) {
- addr = (struct sockaddr_in *)addrp;
+ addr = addrp;
str = inet_ntop(family, &addr->sin_addr, tmp, 50);
addr_length = INET_ADDRSTRLEN;
} else {
- addr6 = (struct sockaddr_in6 *)addrp;
+ addr6 = addrp;
str = inet_ntop(family, &addr6->sin6_addr.s6_addr, tmp, 50);
addr_length = INET6_ADDRSTRLEN;
}
diff --git a/tools/iio/iio_event_monitor.c b/tools/iio/iio_event_monitor.c
index 2f4581658859..0a5c2bb60030 100644
--- a/tools/iio/iio_event_monitor.c
+++ b/tools/iio/iio_event_monitor.c
@@ -69,12 +69,15 @@ static const char * const iio_ev_type_text[] = {
[IIO_EV_TYPE_MAG_ADAPTIVE] = "mag_adaptive",
[IIO_EV_TYPE_CHANGE] = "change",
[IIO_EV_TYPE_MAG_REFERENCED] = "mag_referenced",
+ [IIO_EV_TYPE_GESTURE] = "gesture",
};
static const char * const iio_ev_dir_text[] = {
[IIO_EV_DIR_EITHER] = "either",
[IIO_EV_DIR_RISING] = "rising",
- [IIO_EV_DIR_FALLING] = "falling"
+ [IIO_EV_DIR_FALLING] = "falling",
+ [IIO_EV_DIR_SINGLETAP] = "singletap",
+ [IIO_EV_DIR_DOUBLETAP] = "doubletap",
};
static const char * const iio_modifier_names[] = {
@@ -122,6 +125,12 @@ static const char * const iio_modifier_names[] = {
[IIO_MOD_PM4] = "pm4",
[IIO_MOD_PM10] = "pm10",
[IIO_MOD_O2] = "o2",
+ [IIO_MOD_LINEAR_X] = "linear_x",
+ [IIO_MOD_LINEAR_Y] = "linear_y",
+ [IIO_MOD_LINEAR_Z] = "linear_z",
+ [IIO_MOD_PITCH] = "pitch",
+ [IIO_MOD_YAW] = "yaw",
+ [IIO_MOD_ROLL] = "roll",
};
static bool event_is_known(struct iio_event_data *event)
@@ -227,6 +236,7 @@ static bool event_is_known(struct iio_event_data *event)
case IIO_EV_TYPE_THRESH_ADAPTIVE:
case IIO_EV_TYPE_MAG_ADAPTIVE:
case IIO_EV_TYPE_CHANGE:
+ case IIO_EV_TYPE_GESTURE:
break;
default:
return false;
@@ -236,6 +246,8 @@ static bool event_is_known(struct iio_event_data *event)
case IIO_EV_DIR_EITHER:
case IIO_EV_DIR_RISING:
case IIO_EV_DIR_FALLING:
+ case IIO_EV_DIR_SINGLETAP:
+ case IIO_EV_DIR_DOUBLETAP:
case IIO_EV_DIR_NONE:
break;
default:
diff --git a/tools/iio/iio_utils.c b/tools/iio/iio_utils.c
index aadee6d34c74..8d35893b2fa8 100644
--- a/tools/iio/iio_utils.c
+++ b/tools/iio/iio_utils.c
@@ -547,6 +547,10 @@ static int calc_digits(int num)
{
int count = 0;
+ /* It takes a digit to represent zero */
+ if (!num)
+ return 1;
+
while (num != 0) {
num /= 10;
count++;
diff --git a/tools/include/asm-generic/bitops/non-atomic.h b/tools/include/asm-generic/bitops/non-atomic.h
index 7e10c4b50c5d..0c472a833408 100644
--- a/tools/include/asm-generic/bitops/non-atomic.h
+++ b/tools/include/asm-generic/bitops/non-atomic.h
@@ -2,10 +2,10 @@
#ifndef _ASM_GENERIC_BITOPS_NON_ATOMIC_H_
#define _ASM_GENERIC_BITOPS_NON_ATOMIC_H_
-#include <asm/types.h>
+#include <linux/bits.h>
/**
- * __set_bit - Set a bit in memory
+ * ___set_bit - Set a bit in memory
* @nr: the bit to set
* @addr: the address to start counting from
*
@@ -13,7 +13,8 @@
* If it's called on the same region of memory simultaneously, the effect
* may be that only one operation succeeds.
*/
-static inline void __set_bit(int nr, volatile unsigned long *addr)
+static __always_inline void
+___set_bit(unsigned long nr, volatile unsigned long *addr)
{
unsigned long mask = BIT_MASK(nr);
unsigned long *p = ((unsigned long *)addr) + BIT_WORD(nr);
@@ -21,7 +22,8 @@ static inline void __set_bit(int nr, volatile unsigned long *addr)
*p |= mask;
}
-static inline void __clear_bit(int nr, volatile unsigned long *addr)
+static __always_inline void
+___clear_bit(unsigned long nr, volatile unsigned long *addr)
{
unsigned long mask = BIT_MASK(nr);
unsigned long *p = ((unsigned long *)addr) + BIT_WORD(nr);
@@ -30,7 +32,7 @@ static inline void __clear_bit(int nr, volatile unsigned long *addr)
}
/**
- * __change_bit - Toggle a bit in memory
+ * ___change_bit - Toggle a bit in memory
* @nr: the bit to change
* @addr: the address to start counting from
*
@@ -38,7 +40,8 @@ static inline void __clear_bit(int nr, volatile unsigned long *addr)
* If it's called on the same region of memory simultaneously, the effect
* may be that only one operation succeeds.
*/
-static inline void __change_bit(int nr, volatile unsigned long *addr)
+static __always_inline void
+___change_bit(unsigned long nr, volatile unsigned long *addr)
{
unsigned long mask = BIT_MASK(nr);
unsigned long *p = ((unsigned long *)addr) + BIT_WORD(nr);
@@ -47,7 +50,7 @@ static inline void __change_bit(int nr, volatile unsigned long *addr)
}
/**
- * __test_and_set_bit - Set a bit and return its old value
+ * ___test_and_set_bit - Set a bit and return its old value
* @nr: Bit to set
* @addr: Address to count from
*
@@ -55,7 +58,8 @@ static inline void __change_bit(int nr, volatile unsigned long *addr)
* If two examples of this operation race, one can appear to succeed
* but actually fail. You must protect multiple accesses with a lock.
*/
-static inline int __test_and_set_bit(int nr, volatile unsigned long *addr)
+static __always_inline bool
+___test_and_set_bit(unsigned long nr, volatile unsigned long *addr)
{
unsigned long mask = BIT_MASK(nr);
unsigned long *p = ((unsigned long *)addr) + BIT_WORD(nr);
@@ -66,7 +70,7 @@ static inline int __test_and_set_bit(int nr, volatile unsigned long *addr)
}
/**
- * __test_and_clear_bit - Clear a bit and return its old value
+ * ___test_and_clear_bit - Clear a bit and return its old value
* @nr: Bit to clear
* @addr: Address to count from
*
@@ -74,7 +78,8 @@ static inline int __test_and_set_bit(int nr, volatile unsigned long *addr)
* If two examples of this operation race, one can appear to succeed
* but actually fail. You must protect multiple accesses with a lock.
*/
-static inline int __test_and_clear_bit(int nr, volatile unsigned long *addr)
+static __always_inline bool
+___test_and_clear_bit(unsigned long nr, volatile unsigned long *addr)
{
unsigned long mask = BIT_MASK(nr);
unsigned long *p = ((unsigned long *)addr) + BIT_WORD(nr);
@@ -85,8 +90,8 @@ static inline int __test_and_clear_bit(int nr, volatile unsigned long *addr)
}
/* WARNING: non atomic and it can be reordered! */
-static inline int __test_and_change_bit(int nr,
- volatile unsigned long *addr)
+static __always_inline bool
+___test_and_change_bit(unsigned long nr, volatile unsigned long *addr)
{
unsigned long mask = BIT_MASK(nr);
unsigned long *p = ((unsigned long *)addr) + BIT_WORD(nr);
@@ -97,11 +102,12 @@ static inline int __test_and_change_bit(int nr,
}
/**
- * test_bit - Determine whether a bit is set
+ * _test_bit - Determine whether a bit is set
* @nr: bit number to test
* @addr: Address to start counting from
*/
-static inline int test_bit(int nr, const volatile unsigned long *addr)
+static __always_inline bool
+_test_bit(unsigned long nr, const volatile unsigned long *addr)
{
return 1UL & (addr[BIT_WORD(nr)] >> (nr & (BITS_PER_LONG-1)));
}
diff --git a/tools/include/asm-generic/hugetlb_encode.h b/tools/include/asm-generic/hugetlb_encode.h
index 4f3d5aaa11f5..de687009bfe5 100644
--- a/tools/include/asm-generic/hugetlb_encode.h
+++ b/tools/include/asm-generic/hugetlb_encode.h
@@ -20,18 +20,18 @@
#define HUGETLB_FLAG_ENCODE_SHIFT 26
#define HUGETLB_FLAG_ENCODE_MASK 0x3f
-#define HUGETLB_FLAG_ENCODE_16KB (14 << HUGETLB_FLAG_ENCODE_SHIFT)
-#define HUGETLB_FLAG_ENCODE_64KB (16 << HUGETLB_FLAG_ENCODE_SHIFT)
-#define HUGETLB_FLAG_ENCODE_512KB (19 << HUGETLB_FLAG_ENCODE_SHIFT)
-#define HUGETLB_FLAG_ENCODE_1MB (20 << HUGETLB_FLAG_ENCODE_SHIFT)
-#define HUGETLB_FLAG_ENCODE_2MB (21 << HUGETLB_FLAG_ENCODE_SHIFT)
-#define HUGETLB_FLAG_ENCODE_8MB (23 << HUGETLB_FLAG_ENCODE_SHIFT)
-#define HUGETLB_FLAG_ENCODE_16MB (24 << HUGETLB_FLAG_ENCODE_SHIFT)
-#define HUGETLB_FLAG_ENCODE_32MB (25 << HUGETLB_FLAG_ENCODE_SHIFT)
-#define HUGETLB_FLAG_ENCODE_256MB (28 << HUGETLB_FLAG_ENCODE_SHIFT)
-#define HUGETLB_FLAG_ENCODE_512MB (29 << HUGETLB_FLAG_ENCODE_SHIFT)
-#define HUGETLB_FLAG_ENCODE_1GB (30 << HUGETLB_FLAG_ENCODE_SHIFT)
-#define HUGETLB_FLAG_ENCODE_2GB (31 << HUGETLB_FLAG_ENCODE_SHIFT)
-#define HUGETLB_FLAG_ENCODE_16GB (34 << HUGETLB_FLAG_ENCODE_SHIFT)
+#define HUGETLB_FLAG_ENCODE_16KB (14U << HUGETLB_FLAG_ENCODE_SHIFT)
+#define HUGETLB_FLAG_ENCODE_64KB (16U << HUGETLB_FLAG_ENCODE_SHIFT)
+#define HUGETLB_FLAG_ENCODE_512KB (19U << HUGETLB_FLAG_ENCODE_SHIFT)
+#define HUGETLB_FLAG_ENCODE_1MB (20U << HUGETLB_FLAG_ENCODE_SHIFT)
+#define HUGETLB_FLAG_ENCODE_2MB (21U << HUGETLB_FLAG_ENCODE_SHIFT)
+#define HUGETLB_FLAG_ENCODE_8MB (23U << HUGETLB_FLAG_ENCODE_SHIFT)
+#define HUGETLB_FLAG_ENCODE_16MB (24U << HUGETLB_FLAG_ENCODE_SHIFT)
+#define HUGETLB_FLAG_ENCODE_32MB (25U << HUGETLB_FLAG_ENCODE_SHIFT)
+#define HUGETLB_FLAG_ENCODE_256MB (28U << HUGETLB_FLAG_ENCODE_SHIFT)
+#define HUGETLB_FLAG_ENCODE_512MB (29U << HUGETLB_FLAG_ENCODE_SHIFT)
+#define HUGETLB_FLAG_ENCODE_1GB (30U << HUGETLB_FLAG_ENCODE_SHIFT)
+#define HUGETLB_FLAG_ENCODE_2GB (31U << HUGETLB_FLAG_ENCODE_SHIFT)
+#define HUGETLB_FLAG_ENCODE_16GB (34U << HUGETLB_FLAG_ENCODE_SHIFT)
#endif /* _ASM_GENERIC_HUGETLB_ENCODE_H_ */
diff --git a/tools/include/linux/bitmap.h b/tools/include/linux/bitmap.h
index afdf93bebaaf..65d0747c5205 100644
--- a/tools/include/linux/bitmap.h
+++ b/tools/include/linux/bitmap.h
@@ -11,10 +11,10 @@
#define DECLARE_BITMAP(name,bits) \
unsigned long name[BITS_TO_LONGS(bits)]
-int __bitmap_weight(const unsigned long *bitmap, int bits);
+unsigned int __bitmap_weight(const unsigned long *bitmap, int bits);
void __bitmap_or(unsigned long *dst, const unsigned long *bitmap1,
const unsigned long *bitmap2, int bits);
-int __bitmap_and(unsigned long *dst, const unsigned long *bitmap1,
+bool __bitmap_and(unsigned long *dst, const unsigned long *bitmap1,
const unsigned long *bitmap2, unsigned int bits);
bool __bitmap_equal(const unsigned long *bitmap1,
const unsigned long *bitmap2, unsigned int bits);
@@ -45,7 +45,7 @@ static inline void bitmap_fill(unsigned long *dst, unsigned int nbits)
dst[nlongs - 1] = BITMAP_LAST_WORD_MASK(nbits);
}
-static inline int bitmap_empty(const unsigned long *src, unsigned nbits)
+static inline bool bitmap_empty(const unsigned long *src, unsigned int nbits)
{
if (small_const_nbits(nbits))
return ! (*src & BITMAP_LAST_WORD_MASK(nbits));
@@ -53,7 +53,7 @@ static inline int bitmap_empty(const unsigned long *src, unsigned nbits)
return find_first_bit(src, nbits) == nbits;
}
-static inline int bitmap_full(const unsigned long *src, unsigned int nbits)
+static inline bool bitmap_full(const unsigned long *src, unsigned int nbits)
{
if (small_const_nbits(nbits))
return ! (~(*src) & BITMAP_LAST_WORD_MASK(nbits));
@@ -61,7 +61,7 @@ static inline int bitmap_full(const unsigned long *src, unsigned int nbits)
return find_first_zero_bit(src, nbits) == nbits;
}
-static inline int bitmap_weight(const unsigned long *src, unsigned int nbits)
+static inline unsigned int bitmap_weight(const unsigned long *src, unsigned int nbits)
{
if (small_const_nbits(nbits))
return hweight_long(*src & BITMAP_LAST_WORD_MASK(nbits));
@@ -146,7 +146,7 @@ size_t bitmap_scnprintf(unsigned long *bitmap, unsigned int nbits,
* @src2: operand 2
* @nbits: size of bitmap
*/
-static inline int bitmap_and(unsigned long *dst, const unsigned long *src1,
+static inline bool bitmap_and(unsigned long *dst, const unsigned long *src1,
const unsigned long *src2, unsigned int nbits)
{
if (small_const_nbits(nbits))
diff --git a/tools/include/linux/bitops.h b/tools/include/linux/bitops.h
index 5fca38fe1ba8..f18683b95ea6 100644
--- a/tools/include/linux/bitops.h
+++ b/tools/include/linux/bitops.h
@@ -26,6 +26,22 @@ extern unsigned int __sw_hweight32(unsigned int w);
extern unsigned long __sw_hweight64(__u64 w);
/*
+ * Defined here because those may be needed by architecture-specific static
+ * inlines.
+ */
+
+#define bitop(op, nr, addr) \
+ op(nr, addr)
+
+#define __set_bit(nr, addr) bitop(___set_bit, nr, addr)
+#define __clear_bit(nr, addr) bitop(___clear_bit, nr, addr)
+#define __change_bit(nr, addr) bitop(___change_bit, nr, addr)
+#define __test_and_set_bit(nr, addr) bitop(___test_and_set_bit, nr, addr)
+#define __test_and_clear_bit(nr, addr) bitop(___test_and_clear_bit, nr, addr)
+#define __test_and_change_bit(nr, addr) bitop(___test_and_change_bit, nr, addr)
+#define test_bit(nr, addr) bitop(_test_bit, nr, addr)
+
+/*
* Include this here because some architectures need generic_ffs/fls in
* scope
*
diff --git a/tools/include/linux/btf_ids.h b/tools/include/linux/btf_ids.h
index 57890b357f85..71e54b1e3796 100644
--- a/tools/include/linux/btf_ids.h
+++ b/tools/include/linux/btf_ids.h
@@ -73,7 +73,7 @@ asm( \
__BTF_ID_LIST(name, local) \
extern u32 name[];
-#define BTF_ID_LIST_GLOBAL(name) \
+#define BTF_ID_LIST_GLOBAL(name, n) \
__BTF_ID_LIST(name, globl)
/* The BTF_ID_LIST_SINGLE macro defines a BTF_ID_LIST with
@@ -82,6 +82,9 @@ __BTF_ID_LIST(name, globl)
#define BTF_ID_LIST_SINGLE(name, prefix, typename) \
BTF_ID_LIST(name) \
BTF_ID(prefix, typename)
+#define BTF_ID_LIST_GLOBAL_SINGLE(name, prefix, typename) \
+ BTF_ID_LIST_GLOBAL(name, 1) \
+ BTF_ID(prefix, typename)
/*
* The BTF_ID_UNUSED macro defines 4 zero bytes.
@@ -143,13 +146,14 @@ extern struct btf_id_set name;
#else
-#define BTF_ID_LIST(name) static u32 name[5];
+#define BTF_ID_LIST(name) static u32 __maybe_unused name[5];
#define BTF_ID(prefix, name)
#define BTF_ID_UNUSED
-#define BTF_ID_LIST_GLOBAL(name) u32 name[1];
-#define BTF_ID_LIST_SINGLE(name, prefix, typename) static u32 name[1];
-#define BTF_SET_START(name) static struct btf_id_set name = { 0 };
-#define BTF_SET_START_GLOBAL(name) static struct btf_id_set name = { 0 };
+#define BTF_ID_LIST_GLOBAL(name, n) u32 __maybe_unused name[n];
+#define BTF_ID_LIST_SINGLE(name, prefix, typename) static u32 __maybe_unused name[1];
+#define BTF_ID_LIST_GLOBAL_SINGLE(name, prefix, typename) u32 __maybe_unused name[1];
+#define BTF_SET_START(name) static struct btf_id_set __maybe_unused name = { 0 };
+#define BTF_SET_START_GLOBAL(name) static struct btf_id_set __maybe_unused name = { 0 };
#define BTF_SET_END(name)
#endif /* CONFIG_DEBUG_INFO_BTF */
@@ -172,7 +176,10 @@ extern struct btf_id_set name;
BTF_SOCK_TYPE(BTF_SOCK_TYPE_TCP_TW, tcp_timewait_sock) \
BTF_SOCK_TYPE(BTF_SOCK_TYPE_TCP6, tcp6_sock) \
BTF_SOCK_TYPE(BTF_SOCK_TYPE_UDP, udp_sock) \
- BTF_SOCK_TYPE(BTF_SOCK_TYPE_UDP6, udp6_sock)
+ BTF_SOCK_TYPE(BTF_SOCK_TYPE_UDP6, udp6_sock) \
+ BTF_SOCK_TYPE(BTF_SOCK_TYPE_UNIX, unix_sock) \
+ BTF_SOCK_TYPE(BTF_SOCK_TYPE_MPTCP, mptcp_sock) \
+ BTF_SOCK_TYPE(BTF_SOCK_TYPE_SOCKET, socket)
enum {
#define BTF_SOCK_TYPE(name, str) name,
@@ -184,4 +191,18 @@ MAX_BTF_SOCK_TYPE,
extern u32 btf_sock_ids[];
#endif
+#define BTF_TRACING_TYPE_xxx \
+ BTF_TRACING_TYPE(BTF_TRACING_TYPE_TASK, task_struct) \
+ BTF_TRACING_TYPE(BTF_TRACING_TYPE_FILE, file) \
+ BTF_TRACING_TYPE(BTF_TRACING_TYPE_VMA, vm_area_struct)
+
+enum {
+#define BTF_TRACING_TYPE(name, type) name,
+BTF_TRACING_TYPE_xxx
+#undef BTF_TRACING_TYPE
+MAX_BTF_TRACING_TYPE,
+};
+
+extern u32 btf_tracing_ids[];
+
#endif
diff --git a/tools/include/linux/compiler_types.h b/tools/include/linux/compiler_types.h
index 24ae3054f304..1bdd834bdd57 100644
--- a/tools/include/linux/compiler_types.h
+++ b/tools/include/linux/compiler_types.h
@@ -36,4 +36,8 @@
#include <linux/compiler-gcc.h>
#endif
+#ifndef asm_volatile_goto
+#define asm_volatile_goto(x...) asm goto(x)
+#endif
+
#endif /* __LINUX_COMPILER_TYPES_H */
diff --git a/tools/include/linux/find.h b/tools/include/linux/find.h
index 47e2bd6c5174..38c0a542b0e2 100644
--- a/tools/include/linux/find.h
+++ b/tools/include/linux/find.h
@@ -8,21 +8,23 @@
#include <linux/bitops.h>
-extern unsigned long _find_next_bit(const unsigned long *addr1,
- const unsigned long *addr2, unsigned long nbits,
- unsigned long start, unsigned long invert, unsigned long le);
+unsigned long _find_next_bit(const unsigned long *addr1, unsigned long nbits,
+ unsigned long start);
+unsigned long _find_next_and_bit(const unsigned long *addr1, const unsigned long *addr2,
+ unsigned long nbits, unsigned long start);
+unsigned long _find_next_zero_bit(const unsigned long *addr, unsigned long nbits,
+ unsigned long start);
extern unsigned long _find_first_bit(const unsigned long *addr, unsigned long size);
extern unsigned long _find_first_and_bit(const unsigned long *addr1,
const unsigned long *addr2, unsigned long size);
extern unsigned long _find_first_zero_bit(const unsigned long *addr, unsigned long size);
-extern unsigned long _find_last_bit(const unsigned long *addr, unsigned long size);
#ifndef find_next_bit
/**
* find_next_bit - find the next set bit in a memory region
* @addr: The address to base the search on
- * @offset: The bitnumber to start searching at
* @size: The bitmap size in bits
+ * @offset: The bitnumber to start searching at
*
* Returns the bit number for the next set bit
* If no bits are set, returns @size.
@@ -41,7 +43,7 @@ unsigned long find_next_bit(const unsigned long *addr, unsigned long size,
return val ? __ffs(val) : size;
}
- return _find_next_bit(addr, NULL, size, offset, 0UL, 0);
+ return _find_next_bit(addr, size, offset);
}
#endif
@@ -50,8 +52,8 @@ unsigned long find_next_bit(const unsigned long *addr, unsigned long size,
* find_next_and_bit - find the next set bit in both memory regions
* @addr1: The first address to base the search on
* @addr2: The second address to base the search on
- * @offset: The bitnumber to start searching at
* @size: The bitmap size in bits
+ * @offset: The bitnumber to start searching at
*
* Returns the bit number for the next set bit
* If no bits are set, returns @size.
@@ -71,7 +73,7 @@ unsigned long find_next_and_bit(const unsigned long *addr1,
return val ? __ffs(val) : size;
}
- return _find_next_bit(addr1, addr2, size, offset, 0UL, 0);
+ return _find_next_and_bit(addr1, addr2, size, offset);
}
#endif
@@ -79,8 +81,8 @@ unsigned long find_next_and_bit(const unsigned long *addr1,
/**
* find_next_zero_bit - find the next cleared bit in a memory region
* @addr: The address to base the search on
- * @offset: The bitnumber to start searching at
* @size: The bitmap size in bits
+ * @offset: The bitnumber to start searching at
*
* Returns the bit number of the next zero bit
* If no bits are zero, returns @size.
@@ -99,7 +101,7 @@ unsigned long find_next_zero_bit(const unsigned long *addr, unsigned long size,
return val == ~0UL ? size : ffz(val);
}
- return _find_next_bit(addr, NULL, size, offset, ~0UL, 0);
+ return _find_next_zero_bit(addr, size, offset);
}
#endif
@@ -172,43 +174,4 @@ unsigned long find_first_zero_bit(const unsigned long *addr, unsigned long size)
}
#endif
-#ifndef find_last_bit
-/**
- * find_last_bit - find the last set bit in a memory region
- * @addr: The address to start the search at
- * @size: The number of bits to search
- *
- * Returns the bit number of the last set bit, or size.
- */
-static inline
-unsigned long find_last_bit(const unsigned long *addr, unsigned long size)
-{
- if (small_const_nbits(size)) {
- unsigned long val = *addr & GENMASK(size - 1, 0);
-
- return val ? __fls(val) : size;
- }
-
- return _find_last_bit(addr, size);
-}
-#endif
-
-/**
- * find_next_clump8 - find next 8-bit clump with set bits in a memory region
- * @clump: location to store copy of found clump
- * @addr: address to base the search on
- * @size: bitmap size in number of bits
- * @offset: bit offset at which to start searching
- *
- * Returns the bit offset for the next set clump; the found clump value is
- * copied to the location pointed by @clump. If no bits are set, returns @size.
- */
-extern unsigned long find_next_clump8(unsigned long *clump,
- const unsigned long *addr,
- unsigned long size, unsigned long offset);
-
-#define find_first_clump8(clump, bits, size) \
- find_next_clump8((clump), (bits), (size), 0)
-
-
#endif /*__LINUX_FIND_H_ */
diff --git a/tools/include/linux/gfp.h b/tools/include/linux/gfp.h
index b238dbc9eb85..6a10ff5f5be9 100644
--- a/tools/include/linux/gfp.h
+++ b/tools/include/linux/gfp.h
@@ -3,26 +3,7 @@
#define _TOOLS_INCLUDE_LINUX_GFP_H
#include <linux/types.h>
-
-#define __GFP_BITS_SHIFT 26
-#define __GFP_BITS_MASK ((gfp_t)((1 << __GFP_BITS_SHIFT) - 1))
-
-#define __GFP_HIGH 0x20u
-#define __GFP_IO 0x40u
-#define __GFP_FS 0x80u
-#define __GFP_NOWARN 0x200u
-#define __GFP_ZERO 0x8000u
-#define __GFP_ATOMIC 0x80000u
-#define __GFP_ACCOUNT 0x100000u
-#define __GFP_DIRECT_RECLAIM 0x400000u
-#define __GFP_KSWAPD_RECLAIM 0x2000000u
-
-#define __GFP_RECLAIM (__GFP_DIRECT_RECLAIM | __GFP_KSWAPD_RECLAIM)
-
-#define GFP_ZONEMASK 0x0fu
-#define GFP_ATOMIC (__GFP_HIGH | __GFP_ATOMIC | __GFP_KSWAPD_RECLAIM)
-#define GFP_KERNEL (__GFP_RECLAIM | __GFP_IO | __GFP_FS)
-#define GFP_NOWAIT (__GFP_KSWAPD_RECLAIM)
+#include <linux/gfp_types.h>
static inline bool gfpflags_allow_blocking(const gfp_t gfp_flags)
{
diff --git a/tools/include/linux/gfp_types.h b/tools/include/linux/gfp_types.h
new file mode 100644
index 000000000000..5f9f1ed190a0
--- /dev/null
+++ b/tools/include/linux/gfp_types.h
@@ -0,0 +1 @@
+#include "../../../include/linux/gfp_types.h"
diff --git a/tools/include/linux/kallsyms.h b/tools/include/linux/kallsyms.h
index efb6c3f5f2a9..5a37ccbec54f 100644
--- a/tools/include/linux/kallsyms.h
+++ b/tools/include/linux/kallsyms.h
@@ -6,7 +6,7 @@
#include <stdio.h>
#include <unistd.h>
-#define KSYM_NAME_LEN 128
+#define KSYM_NAME_LEN 512
struct module;
diff --git a/tools/include/linux/list.h b/tools/include/linux/list.h
index b2fc48d5478c..a4dfb6a7cc6a 100644
--- a/tools/include/linux/list.h
+++ b/tools/include/linux/list.h
@@ -385,6 +385,17 @@ static inline void list_splice_tail_init(struct list_head *list,
(!list_empty(ptr) ? list_first_entry(ptr, type, member) : NULL)
/**
+ * list_last_entry_or_null - get the last element from a list
+ * @ptr: the list head to take the element from.
+ * @type: the type of the struct this is embedded in.
+ * @member: the name of the list_head within the struct.
+ *
+ * Note that if the list is empty, it returns NULL.
+ */
+#define list_last_entry_or_null(ptr, type, member) \
+ (!list_empty(ptr) ? list_last_entry(ptr, type, member) : NULL)
+
+/**
* list_next_entry - get the next element in list
* @pos: the type * to cursor
* @member: the name of the list_head within the struct.
diff --git a/tools/include/linux/objtool.h b/tools/include/linux/objtool.h
index 10bc88cc3bf6..62c54ffbeeaa 100644
--- a/tools/include/linux/objtool.h
+++ b/tools/include/linux/objtool.h
@@ -67,7 +67,7 @@ struct unwind_hint {
* It should only be used in special cases where you're 100% sure it won't
* affect the reliability of frame pointers and kernel stack traces.
*
- * For more information, see tools/objtool/Documentation/stack-validation.txt.
+ * For more information, see tools/objtool/Documentation/objtool.txt.
*/
#define STACK_FRAME_NON_STANDARD(func) \
static void __used __section(".discard.func_stack_frame_non_standard") \
diff --git a/tools/include/linux/sched/mm.h b/tools/include/linux/sched/mm.h
index c8d9f19c1f35..967294b8edcf 100644
--- a/tools/include/linux/sched/mm.h
+++ b/tools/include/linux/sched/mm.h
@@ -1,4 +1,6 @@
#ifndef _TOOLS_PERF_LINUX_SCHED_MM_H
#define _TOOLS_PERF_LINUX_SCHED_MM_H
+#define might_alloc(gfp) do { } while (0)
+
#endif /* _TOOLS_PERF_LINUX_SCHED_MM_H */
diff --git a/tools/include/linux/slab.h b/tools/include/linux/slab.h
index 0616409513eb..311759ea25e9 100644
--- a/tools/include/linux/slab.h
+++ b/tools/include/linux/slab.h
@@ -41,4 +41,8 @@ struct kmem_cache *kmem_cache_create(const char *name, unsigned int size,
unsigned int align, unsigned int flags,
void (*ctor)(void *));
+void kmem_cache_free_bulk(struct kmem_cache *cachep, size_t size, void **list);
+int kmem_cache_alloc_bulk(struct kmem_cache *cachep, gfp_t gfp, size_t size,
+ void **list);
+
#endif /* _TOOLS_SLAB_H */
diff --git a/tools/include/nolibc/Makefile b/tools/include/nolibc/Makefile
index 7a16d917c185..cfd06764b5ae 100644
--- a/tools/include/nolibc/Makefile
+++ b/tools/include/nolibc/Makefile
@@ -7,13 +7,46 @@ ifeq ($(srctree),)
srctree := $(patsubst %/tools/include/,%,$(dir $(CURDIR)))
endif
+# when run as make -C tools/ nolibc_<foo> the arch is not set
+ifeq ($(ARCH),)
+include $(srctree)/scripts/subarch.include
+ARCH = $(SUBARCH)
+endif
+
+# OUTPUT is only set when run from the main makefile, otherwise
+# it defaults to this nolibc directory.
+OUTPUT ?= $(CURDIR)/
+
+ifeq ($(V),1)
+Q=
+else
+Q=@
+endif
+
nolibc_arch := $(patsubst arm64,aarch64,$(ARCH))
arch_file := arch-$(nolibc_arch).h
all_files := ctype.h errno.h nolibc.h signal.h std.h stdio.h stdlib.h string.h \
sys.h time.h types.h unistd.h
# install all headers needed to support a bare-metal compiler
-all:
+all: headers
+
+install: help
+
+help:
+ @echo "Supported targets under nolibc:"
+ @echo " all call \"headers\""
+ @echo " clean clean the sysroot"
+ @echo " headers prepare a sysroot in tools/include/nolibc/sysroot"
+ @echo " headers_standalone like \"headers\", and also install kernel headers"
+ @echo " help this help"
+ @echo ""
+ @echo "These targets may also be called from tools as \"make nolibc_<target>\"."
+ @echo ""
+ @echo "Currently using the following variables:"
+ @echo " ARCH = $(ARCH)"
+ @echo " OUTPUT = $(OUTPUT)"
+ @echo ""
# Note: when ARCH is "x86" we concatenate both x86_64 and i386
headers:
@@ -36,7 +69,7 @@ headers:
headers_standalone: headers
$(Q)$(MAKE) -C $(srctree) headers
- $(Q)$(MAKE) -C $(srctree) headers_install INSTALL_HDR_PATH=$(OUTPUT)/sysroot
+ $(Q)$(MAKE) -C $(srctree) headers_install INSTALL_HDR_PATH=$(OUTPUT)sysroot
clean:
$(call QUIET_CLEAN, nolibc) rm -rf "$(OUTPUT)sysroot"
diff --git a/tools/include/nolibc/arch-riscv.h b/tools/include/nolibc/arch-riscv.h
index 95e2b7924925..ba04771cb3a3 100644
--- a/tools/include/nolibc/arch-riscv.h
+++ b/tools/include/nolibc/arch-riscv.h
@@ -190,7 +190,7 @@ __asm__ (".section .text\n"
".option norelax\n"
"lla gp, __global_pointer$\n"
".option pop\n"
- "ld a0, 0(sp)\n" // argc (a0) was in the stack
+ "lw a0, 0(sp)\n" // argc (a0) was in the stack
"add a1, sp, "SZREG"\n" // argv (a1) = sp
"slli a2, a0, "PTRLOG"\n" // envp (a2) = SZREG*argc ...
"add a2, a2, "SZREG"\n" // + SZREG (skip null)
diff --git a/tools/include/nolibc/stdio.h b/tools/include/nolibc/stdio.h
index 15dedf8d0902..a3cebc4bc3ac 100644
--- a/tools/include/nolibc/stdio.h
+++ b/tools/include/nolibc/stdio.h
@@ -273,7 +273,7 @@ int vfprintf(FILE *stream, const char *fmt, va_list args)
return written;
}
-static __attribute__((unused))
+static __attribute__((unused, format(printf, 2, 3)))
int fprintf(FILE *stream, const char *fmt, ...)
{
va_list args;
@@ -285,7 +285,7 @@ int fprintf(FILE *stream, const char *fmt, ...)
return ret;
}
-static __attribute__((unused))
+static __attribute__((unused, format(printf, 1, 2)))
int printf(const char *fmt, ...)
{
va_list args;
diff --git a/tools/include/nolibc/stdlib.h b/tools/include/nolibc/stdlib.h
index 8fd32eaf8037..92378c4b9660 100644
--- a/tools/include/nolibc/stdlib.h
+++ b/tools/include/nolibc/stdlib.h
@@ -128,10 +128,9 @@ void *malloc(size_t len)
static __attribute__((unused))
void *calloc(size_t size, size_t nmemb)
{
- void *orig;
- size_t res = 0;
+ size_t x = size * nmemb;
- if (__builtin_expect(__builtin_mul_overflow(nmemb, size, &res), 0)) {
+ if (__builtin_expect(size && ((x / size) != nmemb), 0)) {
SET_ERRNO(ENOMEM);
return NULL;
}
@@ -140,7 +139,7 @@ void *calloc(size_t size, size_t nmemb)
* No need to zero the heap, the MAP_ANONYMOUS in malloc()
* already does it.
*/
- return malloc(res);
+ return malloc(x);
}
static __attribute__((unused))
diff --git a/tools/include/nolibc/string.h b/tools/include/nolibc/string.h
index bef35bee9c44..ad97c0d522b8 100644
--- a/tools/include/nolibc/string.h
+++ b/tools/include/nolibc/string.h
@@ -19,9 +19,9 @@ static __attribute__((unused))
int memcmp(const void *s1, const void *s2, size_t n)
{
size_t ofs = 0;
- char c1 = 0;
+ int c1 = 0;
- while (ofs < n && !(c1 = ((char *)s1)[ofs] - ((char *)s2)[ofs])) {
+ while (ofs < n && !(c1 = ((unsigned char *)s1)[ofs] - ((unsigned char *)s2)[ofs])) {
ofs++;
}
return c1;
@@ -125,14 +125,18 @@ char *strcpy(char *dst, const char *src)
}
/* this function is only used with arguments that are not constants or when
- * it's not known because optimizations are disabled.
+ * it's not known because optimizations are disabled. Note that gcc 12
+ * recognizes an strlen() pattern and replaces it with a jump to strlen(),
+ * thus itself, hence the asm() statement below that's meant to disable this
+ * confusing practice.
*/
static __attribute__((unused))
-size_t nolibc_strlen(const char *str)
+size_t strlen(const char *str)
{
size_t len;
- for (len = 0; str[len]; len++);
+ for (len = 0; str[len]; len++)
+ asm("");
return len;
}
@@ -140,13 +144,12 @@ size_t nolibc_strlen(const char *str)
* the two branches, then will rely on an external definition of strlen().
*/
#if defined(__OPTIMIZE__)
+#define nolibc_strlen(x) strlen(x)
#define strlen(str) ({ \
__builtin_constant_p((str)) ? \
__builtin_strlen((str)) : \
nolibc_strlen((str)); \
})
-#else
-#define strlen(str) nolibc_strlen((str))
#endif
static __attribute__((unused))
diff --git a/tools/include/nolibc/sys.h b/tools/include/nolibc/sys.h
index 08491070387b..ce3ee03aa679 100644
--- a/tools/include/nolibc/sys.h
+++ b/tools/include/nolibc/sys.h
@@ -692,12 +692,12 @@ void *sys_mmap(void *addr, size_t length, int prot, int flags, int fd,
{
#ifndef my_syscall6
/* Function not implemented. */
- return -ENOSYS;
+ return (void *)-ENOSYS;
#else
int n;
-#if defined(__i386__)
+#if defined(__NR_mmap2)
n = __NR_mmap2;
offset >>= 12;
#else
diff --git a/tools/include/tools/dis-asm-compat.h b/tools/include/tools/dis-asm-compat.h
new file mode 100644
index 000000000000..70f331e23ed3
--- /dev/null
+++ b/tools/include/tools/dis-asm-compat.h
@@ -0,0 +1,55 @@
+/* SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause */
+#ifndef _TOOLS_DIS_ASM_COMPAT_H
+#define _TOOLS_DIS_ASM_COMPAT_H
+
+#include <stdio.h>
+#include <dis-asm.h>
+
+/* define types for older binutils version, to centralize ifdef'ery a bit */
+#ifndef DISASM_INIT_STYLED
+enum disassembler_style {DISASSEMBLER_STYLE_NOT_EMPTY};
+typedef int (*fprintf_styled_ftype) (void *, enum disassembler_style, const char*, ...);
+#endif
+
+/*
+ * Trivial fprintf wrapper to be used as the fprintf_styled_func argument to
+ * init_disassemble_info_compat() when normal fprintf suffices.
+ */
+static inline int fprintf_styled(void *out,
+ enum disassembler_style style,
+ const char *fmt, ...)
+{
+ va_list args;
+ int r;
+
+ (void)style;
+
+ va_start(args, fmt);
+ r = vfprintf(out, fmt, args);
+ va_end(args);
+
+ return r;
+}
+
+/*
+ * Wrapper for init_disassemble_info() that hides version
+ * differences. Depending on binutils version and architecture either
+ * fprintf_func or fprintf_styled_func will be called.
+ */
+static inline void init_disassemble_info_compat(struct disassemble_info *info,
+ void *stream,
+ fprintf_ftype unstyled_func,
+ fprintf_styled_ftype styled_func)
+{
+#ifdef DISASM_INIT_STYLED
+ init_disassemble_info(info, stream,
+ unstyled_func,
+ styled_func);
+#else
+ (void)styled_func;
+ init_disassemble_info(info, stream,
+ unstyled_func);
+#endif
+}
+
+#endif /* _TOOLS_DIS_ASM_COMPAT_H */
diff --git a/tools/include/uapi/asm-generic/fcntl.h b/tools/include/uapi/asm-generic/fcntl.h
index 0197042b7dfb..b02c8e0f4057 100644
--- a/tools/include/uapi/asm-generic/fcntl.h
+++ b/tools/include/uapi/asm-generic/fcntl.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
#ifndef _ASM_GENERIC_FCNTL_H
#define _ASM_GENERIC_FCNTL_H
@@ -90,7 +91,7 @@
/* a horrid kludge trying to make sure that this will fail on old kernels */
#define O_TMPFILE (__O_TMPFILE | O_DIRECTORY)
-#define O_TMPFILE_MASK (__O_TMPFILE | O_DIRECTORY | O_CREAT)
+#define O_TMPFILE_MASK (__O_TMPFILE | O_DIRECTORY | O_CREAT)
#ifndef O_NDELAY
#define O_NDELAY O_NONBLOCK
@@ -115,11 +116,13 @@
#define F_GETSIG 11 /* for sockets. */
#endif
+#if __BITS_PER_LONG == 32 || defined(__KERNEL__)
#ifndef F_GETLK64
#define F_GETLK64 12 /* using 'struct flock64' */
#define F_SETLK64 13
#define F_SETLKW64 14
#endif
+#endif /* __BITS_PER_LONG == 32 || defined(__KERNEL__) */
#ifndef F_SETOWN_EX
#define F_SETOWN_EX 15
@@ -140,7 +143,7 @@
* record locks, but are "owned" by the open file description, not the
* process. This means that they are inherited across fork() like BSD (flock)
* locks, and they are only released automatically when the last reference to
- * the the open file against which they were acquired is put.
+ * the open file against which they were acquired is put.
*/
#define F_OFD_GETLK 36
#define F_OFD_SETLK 37
@@ -178,6 +181,10 @@ struct f_owner_ex {
blocking */
#define LOCK_UN 8 /* remove lock */
+/*
+ * LOCK_MAND support has been removed from the kernel. We leave the symbols
+ * here to not break legacy builds, but these should not be used in new code.
+ */
#define LOCK_MAND 32 /* This is a mandatory flock ... */
#define LOCK_READ 64 /* which allows concurrent read operations */
#define LOCK_WRITE 128 /* which allows concurrent write operations */
@@ -185,6 +192,7 @@ struct f_owner_ex {
#define F_LINUX_SPECIFIC_BASE 1024
+#ifndef HAVE_ARCH_STRUCT_FLOCK
struct flock {
short l_type;
short l_whence;
@@ -209,5 +217,6 @@ struct flock64 {
__ARCH_FLOCK64_PAD
#endif
};
+#endif /* HAVE_ARCH_STRUCT_FLOCK */
#endif /* _ASM_GENERIC_FCNTL_H */
diff --git a/tools/include/uapi/asm-generic/mman-common.h b/tools/include/uapi/asm-generic/mman-common.h
index 6c1aa92a92e4..6ce1f1ceb432 100644
--- a/tools/include/uapi/asm-generic/mman-common.h
+++ b/tools/include/uapi/asm-generic/mman-common.h
@@ -77,6 +77,8 @@
#define MADV_DONTNEED_LOCKED 24 /* like DONTNEED, but drop locked pages too */
+#define MADV_COLLAPSE 25 /* Synchronous hugepage collapse */
+
/* compatibility flags */
#define MAP_FILE 0
diff --git a/tools/include/uapi/asm/errno.h b/tools/include/uapi/asm/errno.h
index d30439b4b8ab..869379f91fe4 100644
--- a/tools/include/uapi/asm/errno.h
+++ b/tools/include/uapi/asm/errno.h
@@ -9,8 +9,8 @@
#include "../../../arch/alpha/include/uapi/asm/errno.h"
#elif defined(__mips__)
#include "../../../arch/mips/include/uapi/asm/errno.h"
-#elif defined(__xtensa__)
-#include "../../../arch/xtensa/include/uapi/asm/errno.h"
+#elif defined(__hppa__)
+#include "../../../arch/parisc/include/uapi/asm/errno.h"
#else
#include <asm-generic/errno.h>
#endif
diff --git a/tools/include/uapi/drm/i915_drm.h b/tools/include/uapi/drm/i915_drm.h
index a2def7b27009..520ad2691a99 100644
--- a/tools/include/uapi/drm/i915_drm.h
+++ b/tools/include/uapi/drm/i915_drm.h
@@ -751,14 +751,27 @@ typedef struct drm_i915_irq_wait {
/* Must be kept compact -- no holes and well documented */
-typedef struct drm_i915_getparam {
+/**
+ * struct drm_i915_getparam - Driver parameter query structure.
+ */
+struct drm_i915_getparam {
+ /** @param: Driver parameter to query. */
__s32 param;
- /*
+
+ /**
+ * @value: Address of memory where queried value should be put.
+ *
* WARNING: Using pointers instead of fixed-size u64 means we need to write
* compat32 code. Don't repeat this mistake.
*/
int __user *value;
-} drm_i915_getparam_t;
+};
+
+/**
+ * typedef drm_i915_getparam_t - Driver parameter query structure.
+ * See struct drm_i915_getparam.
+ */
+typedef struct drm_i915_getparam drm_i915_getparam_t;
/* Ioctl to set kernel params:
*/
@@ -1239,76 +1252,119 @@ struct drm_i915_gem_exec_object2 {
__u64 rsvd2;
};
+/**
+ * struct drm_i915_gem_exec_fence - An input or output fence for the execbuf
+ * ioctl.
+ *
+ * The request will wait for input fence to signal before submission.
+ *
+ * The returned output fence will be signaled after the completion of the
+ * request.
+ */
struct drm_i915_gem_exec_fence {
- /**
- * User's handle for a drm_syncobj to wait on or signal.
- */
+ /** @handle: User's handle for a drm_syncobj to wait on or signal. */
__u32 handle;
+ /**
+ * @flags: Supported flags are:
+ *
+ * I915_EXEC_FENCE_WAIT:
+ * Wait for the input fence before request submission.
+ *
+ * I915_EXEC_FENCE_SIGNAL:
+ * Return request completion fence as output
+ */
+ __u32 flags;
#define I915_EXEC_FENCE_WAIT (1<<0)
#define I915_EXEC_FENCE_SIGNAL (1<<1)
#define __I915_EXEC_FENCE_UNKNOWN_FLAGS (-(I915_EXEC_FENCE_SIGNAL << 1))
- __u32 flags;
};
-/*
- * See drm_i915_gem_execbuffer_ext_timeline_fences.
- */
-#define DRM_I915_GEM_EXECBUFFER_EXT_TIMELINE_FENCES 0
-
-/*
+/**
+ * struct drm_i915_gem_execbuffer_ext_timeline_fences - Timeline fences
+ * for execbuf ioctl.
+ *
* This structure describes an array of drm_syncobj and associated points for
* timeline variants of drm_syncobj. It is invalid to append this structure to
* the execbuf if I915_EXEC_FENCE_ARRAY is set.
*/
struct drm_i915_gem_execbuffer_ext_timeline_fences {
+#define DRM_I915_GEM_EXECBUFFER_EXT_TIMELINE_FENCES 0
+ /** @base: Extension link. See struct i915_user_extension. */
struct i915_user_extension base;
/**
- * Number of element in the handles_ptr & value_ptr arrays.
+ * @fence_count: Number of elements in the @handles_ptr & @value_ptr
+ * arrays.
*/
__u64 fence_count;
/**
- * Pointer to an array of struct drm_i915_gem_exec_fence of length
- * fence_count.
+ * @handles_ptr: Pointer to an array of struct drm_i915_gem_exec_fence
+ * of length @fence_count.
*/
__u64 handles_ptr;
/**
- * Pointer to an array of u64 values of length fence_count. Values
- * must be 0 for a binary drm_syncobj. A Value of 0 for a timeline
- * drm_syncobj is invalid as it turns a drm_syncobj into a binary one.
+ * @values_ptr: Pointer to an array of u64 values of length
+ * @fence_count.
+ * Values must be 0 for a binary drm_syncobj. A Value of 0 for a
+ * timeline drm_syncobj is invalid as it turns a drm_syncobj into a
+ * binary one.
*/
__u64 values_ptr;
};
+/**
+ * struct drm_i915_gem_execbuffer2 - Structure for DRM_I915_GEM_EXECBUFFER2
+ * ioctl.
+ */
struct drm_i915_gem_execbuffer2 {
- /**
- * List of gem_exec_object2 structs
- */
+ /** @buffers_ptr: Pointer to a list of gem_exec_object2 structs */
__u64 buffers_ptr;
+
+ /** @buffer_count: Number of elements in @buffers_ptr array */
__u32 buffer_count;
- /** Offset in the batchbuffer to start execution from. */
+ /**
+ * @batch_start_offset: Offset in the batchbuffer to start execution
+ * from.
+ */
__u32 batch_start_offset;
- /** Bytes used in batchbuffer from batch_start_offset */
+
+ /**
+ * @batch_len: Length in bytes of the batch buffer, starting from the
+ * @batch_start_offset. If 0, length is assumed to be the batch buffer
+ * object size.
+ */
__u32 batch_len;
+
+ /** @DR1: deprecated */
__u32 DR1;
+
+ /** @DR4: deprecated */
__u32 DR4;
+
+ /** @num_cliprects: See @cliprects_ptr */
__u32 num_cliprects;
+
/**
- * This is a struct drm_clip_rect *cliprects if I915_EXEC_FENCE_ARRAY
- * & I915_EXEC_USE_EXTENSIONS are not set.
+ * @cliprects_ptr: Kernel clipping was a DRI1 misfeature.
+ *
+ * It is invalid to use this field if I915_EXEC_FENCE_ARRAY or
+ * I915_EXEC_USE_EXTENSIONS flags are not set.
*
* If I915_EXEC_FENCE_ARRAY is set, then this is a pointer to an array
- * of struct drm_i915_gem_exec_fence and num_cliprects is the length
- * of the array.
+ * of &drm_i915_gem_exec_fence and @num_cliprects is the length of the
+ * array.
*
* If I915_EXEC_USE_EXTENSIONS is set, then this is a pointer to a
- * single struct i915_user_extension and num_cliprects is 0.
+ * single &i915_user_extension and num_cliprects is 0.
*/
__u64 cliprects_ptr;
+
+ /** @flags: Execbuf flags */
+ __u64 flags;
#define I915_EXEC_RING_MASK (0x3f)
#define I915_EXEC_DEFAULT (0<<0)
#define I915_EXEC_RENDER (1<<0)
@@ -1326,10 +1382,6 @@ struct drm_i915_gem_execbuffer2 {
#define I915_EXEC_CONSTANTS_REL_GENERAL (0<<6) /* default */
#define I915_EXEC_CONSTANTS_ABSOLUTE (1<<6)
#define I915_EXEC_CONSTANTS_REL_SURFACE (2<<6) /* gen4/5 only */
- __u64 flags;
- __u64 rsvd1; /* now used for context info */
- __u64 rsvd2;
-};
/** Resets the SO write offset registers for transform feedback on gen7. */
#define I915_EXEC_GEN7_SOL_RESET (1<<8)
@@ -1432,9 +1484,23 @@ struct drm_i915_gem_execbuffer2 {
* drm_i915_gem_execbuffer_ext enum.
*/
#define I915_EXEC_USE_EXTENSIONS (1 << 21)
-
#define __I915_EXEC_UNKNOWN_FLAGS (-(I915_EXEC_USE_EXTENSIONS << 1))
+ /** @rsvd1: Context id */
+ __u64 rsvd1;
+
+ /**
+ * @rsvd2: in and out sync_file file descriptors.
+ *
+ * When I915_EXEC_FENCE_IN or I915_EXEC_FENCE_SUBMIT flag is set, the
+ * lower 32 bits of this field will have the in sync_file fd (input).
+ *
+ * When I915_EXEC_FENCE_OUT flag is set, the upper 32 bits of this
+ * field will have the out sync_file fd (output).
+ */
+ __u64 rsvd2;
+};
+
#define I915_EXEC_CONTEXT_ID_MASK (0xffffffff)
#define i915_execbuffer2_set_context_id(eb2, context) \
(eb2).rsvd1 = context & I915_EXEC_CONTEXT_ID_MASK
@@ -1814,19 +1880,58 @@ struct drm_i915_gem_context_create {
__u32 pad;
};
+/**
+ * struct drm_i915_gem_context_create_ext - Structure for creating contexts.
+ */
struct drm_i915_gem_context_create_ext {
- __u32 ctx_id; /* output: id of new context*/
+ /** @ctx_id: Id of the created context (output) */
+ __u32 ctx_id;
+
+ /**
+ * @flags: Supported flags are:
+ *
+ * I915_CONTEXT_CREATE_FLAGS_USE_EXTENSIONS:
+ *
+ * Extensions may be appended to this structure and driver must check
+ * for those. See @extensions.
+ *
+ * I915_CONTEXT_CREATE_FLAGS_SINGLE_TIMELINE
+ *
+ * Created context will have single timeline.
+ */
__u32 flags;
#define I915_CONTEXT_CREATE_FLAGS_USE_EXTENSIONS (1u << 0)
#define I915_CONTEXT_CREATE_FLAGS_SINGLE_TIMELINE (1u << 1)
#define I915_CONTEXT_CREATE_FLAGS_UNKNOWN \
(-(I915_CONTEXT_CREATE_FLAGS_SINGLE_TIMELINE << 1))
+
+ /**
+ * @extensions: Zero-terminated chain of extensions.
+ *
+ * I915_CONTEXT_CREATE_EXT_SETPARAM:
+ * Context parameter to set or query during context creation.
+ * See struct drm_i915_gem_context_create_ext_setparam.
+ *
+ * I915_CONTEXT_CREATE_EXT_CLONE:
+ * This extension has been removed. On the off chance someone somewhere
+ * has attempted to use it, never re-use this extension number.
+ */
__u64 extensions;
+#define I915_CONTEXT_CREATE_EXT_SETPARAM 0
+#define I915_CONTEXT_CREATE_EXT_CLONE 1
};
+/**
+ * struct drm_i915_gem_context_param - Context parameter to set or query.
+ */
struct drm_i915_gem_context_param {
+ /** @ctx_id: Context id */
__u32 ctx_id;
+
+ /** @size: Size of the parameter @value */
__u32 size;
+
+ /** @param: Parameter to set or query */
__u64 param;
#define I915_CONTEXT_PARAM_BAN_PERIOD 0x1
/* I915_CONTEXT_PARAM_NO_ZEROMAP has been removed. On the off chance
@@ -1973,6 +2078,7 @@ struct drm_i915_gem_context_param {
#define I915_CONTEXT_PARAM_PROTECTED_CONTENT 0xd
/* Must be kept compact -- no holes and well documented */
+ /** @value: Context parameter value to be set or queried */
__u64 value;
};
@@ -2123,7 +2229,7 @@ struct i915_context_engines_load_balance {
__u64 mbz64; /* reserved for future use; must be zero */
- struct i915_engine_class_instance engines[0];
+ struct i915_engine_class_instance engines[];
} __attribute__((packed));
#define I915_DEFINE_CONTEXT_ENGINES_LOAD_BALANCE(name__, N__) struct { \
@@ -2161,7 +2267,7 @@ struct i915_context_engines_bond {
__u64 flags; /* all undefined flags must be zero */
__u64 mbz64[4]; /* reserved for future use; must be zero */
- struct i915_engine_class_instance engines[0];
+ struct i915_engine_class_instance engines[];
} __attribute__((packed));
#define I915_DEFINE_CONTEXT_ENGINES_BOND(name__, N__) struct { \
@@ -2288,7 +2394,7 @@ struct i915_context_engines_parallel_submit {
* length = width (i) * num_siblings (j)
* index = j + i * num_siblings
*/
- struct i915_engine_class_instance engines[0];
+ struct i915_engine_class_instance engines[];
} __packed;
@@ -2371,23 +2477,29 @@ struct i915_context_param_engines {
struct i915_engine_class_instance engines[N__]; \
} __attribute__((packed)) name__
+/**
+ * struct drm_i915_gem_context_create_ext_setparam - Context parameter
+ * to set or query during context creation.
+ */
struct drm_i915_gem_context_create_ext_setparam {
-#define I915_CONTEXT_CREATE_EXT_SETPARAM 0
+ /** @base: Extension link. See struct i915_user_extension. */
struct i915_user_extension base;
+
+ /**
+ * @param: Context parameter to set or query.
+ * See struct drm_i915_gem_context_param.
+ */
struct drm_i915_gem_context_param param;
};
-/* This API has been removed. On the off chance someone somewhere has
- * attempted to use it, never re-use this extension number.
- */
-#define I915_CONTEXT_CREATE_EXT_CLONE 1
-
struct drm_i915_gem_context_destroy {
__u32 ctx_id;
__u32 pad;
};
-/*
+/**
+ * struct drm_i915_gem_vm_control - Structure to create or destroy VM.
+ *
* DRM_I915_GEM_VM_CREATE -
*
* Create a new virtual memory address space (ppGTT) for use within a context
@@ -2397,20 +2509,23 @@ struct drm_i915_gem_context_destroy {
* The id of new VM (bound to the fd) for use with I915_CONTEXT_PARAM_VM is
* returned in the outparam @id.
*
- * No flags are defined, with all bits reserved and must be zero.
- *
* An extension chain maybe provided, starting with @extensions, and terminated
* by the @next_extension being 0. Currently, no extensions are defined.
*
* DRM_I915_GEM_VM_DESTROY -
*
- * Destroys a previously created VM id, specified in @id.
+ * Destroys a previously created VM id, specified in @vm_id.
*
* No extensions or flags are allowed currently, and so must be zero.
*/
struct drm_i915_gem_vm_control {
+ /** @extensions: Zero-terminated chain of extensions. */
__u64 extensions;
+
+ /** @flags: reserved for future usage, currently MBZ */
__u32 flags;
+
+ /** @vm_id: Id of the VM created or to be destroyed */
__u32 vm_id;
};
@@ -3207,36 +3322,6 @@ struct drm_i915_gem_memory_class_instance {
* struct drm_i915_memory_region_info - Describes one region as known to the
* driver.
*
- * Note that we reserve some stuff here for potential future work. As an example
- * we might want expose the capabilities for a given region, which could include
- * things like if the region is CPU mappable/accessible, what are the supported
- * mapping types etc.
- *
- * Note that to extend struct drm_i915_memory_region_info and struct
- * drm_i915_query_memory_regions in the future the plan is to do the following:
- *
- * .. code-block:: C
- *
- * struct drm_i915_memory_region_info {
- * struct drm_i915_gem_memory_class_instance region;
- * union {
- * __u32 rsvd0;
- * __u32 new_thing1;
- * };
- * ...
- * union {
- * __u64 rsvd1[8];
- * struct {
- * __u64 new_thing2;
- * __u64 new_thing3;
- * ...
- * };
- * };
- * };
- *
- * With this things should remain source compatible between versions for
- * userspace, even as we add new fields.
- *
* Note this is using both struct drm_i915_query_item and struct drm_i915_query.
* For this new query we are adding the new query id DRM_I915_QUERY_MEMORY_REGIONS
* at &drm_i915_query_item.query_id.
@@ -3248,14 +3333,81 @@ struct drm_i915_memory_region_info {
/** @rsvd0: MBZ */
__u32 rsvd0;
- /** @probed_size: Memory probed by the driver (-1 = unknown) */
+ /**
+ * @probed_size: Memory probed by the driver
+ *
+ * Note that it should not be possible to ever encounter a zero value
+ * here, also note that no current region type will ever return -1 here.
+ * Although for future region types, this might be a possibility. The
+ * same applies to the other size fields.
+ */
__u64 probed_size;
- /** @unallocated_size: Estimate of memory remaining (-1 = unknown) */
+ /**
+ * @unallocated_size: Estimate of memory remaining
+ *
+ * Requires CAP_PERFMON or CAP_SYS_ADMIN to get reliable accounting.
+ * Without this (or if this is an older kernel) the value here will
+ * always equal the @probed_size. Note this is only currently tracked
+ * for I915_MEMORY_CLASS_DEVICE regions (for other types the value here
+ * will always equal the @probed_size).
+ */
__u64 unallocated_size;
- /** @rsvd1: MBZ */
- __u64 rsvd1[8];
+ union {
+ /** @rsvd1: MBZ */
+ __u64 rsvd1[8];
+ struct {
+ /**
+ * @probed_cpu_visible_size: Memory probed by the driver
+ * that is CPU accessible.
+ *
+ * This will be always be <= @probed_size, and the
+ * remainder (if there is any) will not be CPU
+ * accessible.
+ *
+ * On systems without small BAR, the @probed_size will
+ * always equal the @probed_cpu_visible_size, since all
+ * of it will be CPU accessible.
+ *
+ * Note this is only tracked for
+ * I915_MEMORY_CLASS_DEVICE regions (for other types the
+ * value here will always equal the @probed_size).
+ *
+ * Note that if the value returned here is zero, then
+ * this must be an old kernel which lacks the relevant
+ * small-bar uAPI support (including
+ * I915_GEM_CREATE_EXT_FLAG_NEEDS_CPU_ACCESS), but on
+ * such systems we should never actually end up with a
+ * small BAR configuration, assuming we are able to load
+ * the kernel module. Hence it should be safe to treat
+ * this the same as when @probed_cpu_visible_size ==
+ * @probed_size.
+ */
+ __u64 probed_cpu_visible_size;
+
+ /**
+ * @unallocated_cpu_visible_size: Estimate of CPU
+ * visible memory remaining.
+ *
+ * Note this is only tracked for
+ * I915_MEMORY_CLASS_DEVICE regions (for other types the
+ * value here will always equal the
+ * @probed_cpu_visible_size).
+ *
+ * Requires CAP_PERFMON or CAP_SYS_ADMIN to get reliable
+ * accounting. Without this the value here will always
+ * equal the @probed_cpu_visible_size. Note this is only
+ * currently tracked for I915_MEMORY_CLASS_DEVICE
+ * regions (for other types the value here will also
+ * always equal the @probed_cpu_visible_size).
+ *
+ * If this is an older kernel the value here will be
+ * zero, see also @probed_cpu_visible_size.
+ */
+ __u64 unallocated_cpu_visible_size;
+ };
+ };
};
/**
@@ -3329,11 +3481,11 @@ struct drm_i915_query_memory_regions {
* struct drm_i915_gem_create_ext - Existing gem_create behaviour, with added
* extension support using struct i915_user_extension.
*
- * Note that in the future we want to have our buffer flags here, at least for
- * the stuff that is immutable. Previously we would have two ioctls, one to
- * create the object with gem_create, and another to apply various parameters,
- * however this creates some ambiguity for the params which are considered
- * immutable. Also in general we're phasing out the various SET/GET ioctls.
+ * Note that new buffer flags should be added here, at least for the stuff that
+ * is immutable. Previously we would have two ioctls, one to create the object
+ * with gem_create, and another to apply various parameters, however this
+ * creates some ambiguity for the params which are considered immutable. Also in
+ * general we're phasing out the various SET/GET ioctls.
*/
struct drm_i915_gem_create_ext {
/**
@@ -3341,7 +3493,6 @@ struct drm_i915_gem_create_ext {
*
* The (page-aligned) allocated size for the object will be returned.
*
- *
* DG2 64K min page size implications:
*
* On discrete platforms, starting from DG2, we have to contend with GTT
@@ -3353,7 +3504,9 @@ struct drm_i915_gem_create_ext {
*
* Note that the returned size here will always reflect any required
* rounding up done by the kernel, i.e 4K will now become 64K on devices
- * such as DG2.
+ * such as DG2. The kernel will always select the largest minimum
+ * page-size for the set of possible placements as the value to use when
+ * rounding up the @size.
*
* Special DG2 GTT address alignment requirement:
*
@@ -3377,14 +3530,58 @@ struct drm_i915_gem_create_ext {
* is deemed to be a good compromise.
*/
__u64 size;
+
/**
* @handle: Returned handle for the object.
*
* Object handles are nonzero.
*/
__u32 handle;
- /** @flags: MBZ */
+
+ /**
+ * @flags: Optional flags.
+ *
+ * Supported values:
+ *
+ * I915_GEM_CREATE_EXT_FLAG_NEEDS_CPU_ACCESS - Signal to the kernel that
+ * the object will need to be accessed via the CPU.
+ *
+ * Only valid when placing objects in I915_MEMORY_CLASS_DEVICE, and only
+ * strictly required on configurations where some subset of the device
+ * memory is directly visible/mappable through the CPU (which we also
+ * call small BAR), like on some DG2+ systems. Note that this is quite
+ * undesirable, but due to various factors like the client CPU, BIOS etc
+ * it's something we can expect to see in the wild. See
+ * &drm_i915_memory_region_info.probed_cpu_visible_size for how to
+ * determine if this system applies.
+ *
+ * Note that one of the placements MUST be I915_MEMORY_CLASS_SYSTEM, to
+ * ensure the kernel can always spill the allocation to system memory,
+ * if the object can't be allocated in the mappable part of
+ * I915_MEMORY_CLASS_DEVICE.
+ *
+ * Also note that since the kernel only supports flat-CCS on objects
+ * that can *only* be placed in I915_MEMORY_CLASS_DEVICE, we therefore
+ * don't support I915_GEM_CREATE_EXT_FLAG_NEEDS_CPU_ACCESS together with
+ * flat-CCS.
+ *
+ * Without this hint, the kernel will assume that non-mappable
+ * I915_MEMORY_CLASS_DEVICE is preferred for this object. Note that the
+ * kernel can still migrate the object to the mappable part, as a last
+ * resort, if userspace ever CPU faults this object, but this might be
+ * expensive, and so ideally should be avoided.
+ *
+ * On older kernels which lack the relevant small-bar uAPI support (see
+ * also &drm_i915_memory_region_info.probed_cpu_visible_size),
+ * usage of the flag will result in an error, but it should NEVER be
+ * possible to end up with a small BAR configuration, assuming we can
+ * also successfully load the i915 kernel module. In such cases the
+ * entire I915_MEMORY_CLASS_DEVICE region will be CPU accessible, and as
+ * such there are zero restrictions on where the object can be placed.
+ */
+#define I915_GEM_CREATE_EXT_FLAG_NEEDS_CPU_ACCESS (1 << 0)
__u32 flags;
+
/**
* @extensions: The chain of extensions to apply to this object.
*
@@ -3443,6 +3640,22 @@ struct drm_i915_gem_create_ext {
* At which point we get the object handle in &drm_i915_gem_create_ext.handle,
* along with the final object size in &drm_i915_gem_create_ext.size, which
* should account for any rounding up, if required.
+ *
+ * Note that userspace has no means of knowing the current backing region
+ * for objects where @num_regions is larger than one. The kernel will only
+ * ensure that the priority order of the @regions array is honoured, either
+ * when initially placing the object, or when moving memory around due to
+ * memory pressure
+ *
+ * On Flat-CCS capable HW, compression is supported for the objects residing
+ * in I915_MEMORY_CLASS_DEVICE. When such objects (compressed) have other
+ * memory class in @regions and migrated (by i915, due to memory
+ * constraints) to the non I915_MEMORY_CLASS_DEVICE region, then i915 needs to
+ * decompress the content. But i915 doesn't have the required information to
+ * decompress the userspace compressed objects.
+ *
+ * So i915 supports Flat-CCS, on the objects which can reside only on
+ * I915_MEMORY_CLASS_DEVICE regions.
*/
struct drm_i915_gem_create_ext_memory_regions {
/** @base: Extension link. See struct i915_user_extension. */
diff --git a/tools/include/uapi/linux/bpf.h b/tools/include/uapi/linux/bpf.h
index ef78e0e1a754..51b9aa640ad2 100644
--- a/tools/include/uapi/linux/bpf.h
+++ b/tools/include/uapi/linux/bpf.h
@@ -87,10 +87,35 @@ struct bpf_cgroup_storage_key {
__u32 attach_type; /* program attach type (enum bpf_attach_type) */
};
+enum bpf_cgroup_iter_order {
+ BPF_CGROUP_ITER_ORDER_UNSPEC = 0,
+ BPF_CGROUP_ITER_SELF_ONLY, /* process only a single object. */
+ BPF_CGROUP_ITER_DESCENDANTS_PRE, /* walk descendants in pre-order. */
+ BPF_CGROUP_ITER_DESCENDANTS_POST, /* walk descendants in post-order. */
+ BPF_CGROUP_ITER_ANCESTORS_UP, /* walk ancestors upward. */
+};
+
union bpf_iter_link_info {
struct {
__u32 map_fd;
} map;
+ struct {
+ enum bpf_cgroup_iter_order order;
+
+ /* At most one of cgroup_fd and cgroup_id can be non-zero. If
+ * both are zero, the walk starts from the default cgroup v2
+ * root. For walking v1 hierarchy, one should always explicitly
+ * specify cgroup_fd.
+ */
+ __u32 cgroup_fd;
+ __u64 cgroup_id;
+ } cgroup;
+ /* Parameters of task iterators. */
+ struct {
+ __u32 tid;
+ __u32 pid;
+ __u32 pid_fd;
+ } task;
};
/* BPF syscall commands, see bpf(2) man-page for more details. */
@@ -909,6 +934,7 @@ enum bpf_map_type {
BPF_MAP_TYPE_INODE_STORAGE,
BPF_MAP_TYPE_TASK_STORAGE,
BPF_MAP_TYPE_BLOOM_FILTER,
+ BPF_MAP_TYPE_USER_RINGBUF,
};
/* Note that tracing related programs such as
@@ -998,6 +1024,7 @@ enum bpf_attach_type {
BPF_SK_REUSEPORT_SELECT_OR_MIGRATE,
BPF_PERF_EVENT,
BPF_TRACE_KPROBE_MULTI,
+ BPF_LSM_CGROUP,
__MAX_BPF_ATTACH_TYPE
};
@@ -1232,7 +1259,7 @@ enum {
/* Query effective (directly attached + inherited from ancestor cgroups)
* programs that will be executed for events within a cgroup.
- * attach_flags with this flag are returned only for directly attached programs.
+ * attach_flags with this flag are always returned 0.
*/
#define BPF_F_QUERY_EFFECTIVE (1U << 0)
@@ -1431,6 +1458,10 @@ union bpf_attr {
__u32 attach_flags;
__aligned_u64 prog_ids;
__u32 prog_cnt;
+ /* output: per-program attach_flags.
+ * not allowed to be set during effective query.
+ */
+ __aligned_u64 prog_attach_flags;
} query;
struct { /* anonymous struct used by BPF_RAW_TRACEPOINT_OPEN command */
@@ -2359,7 +2390,8 @@ union bpf_attr {
* Pull in non-linear data in case the *skb* is non-linear and not
* all of *len* are part of the linear section. Make *len* bytes
* from *skb* readable and writable. If a zero value is passed for
- * *len*, then the whole length of the *skb* is pulled.
+ * *len*, then all bytes in the linear part of *skb* will be made
+ * readable and writable.
*
* This helper is only needed for reading and writing with direct
* packet access.
@@ -2570,10 +2602,12 @@ union bpf_attr {
* There are two supported modes at this time:
*
* * **BPF_ADJ_ROOM_MAC**: Adjust room at the mac layer
- * (room space is added or removed below the layer 2 header).
+ * (room space is added or removed between the layer 2 and
+ * layer 3 headers).
*
* * **BPF_ADJ_ROOM_NET**: Adjust room at the network layer
- * (room space is added or removed below the layer 3 header).
+ * (room space is added or removed between the layer 3 and
+ * layer 4 headers).
*
* The following flags are supported at this time:
*
@@ -3005,8 +3039,18 @@ union bpf_attr {
* **BPF_F_USER_STACK**
* Collect a user space stack instead of a kernel stack.
* **BPF_F_USER_BUILD_ID**
- * Collect buildid+offset instead of ips for user stack,
- * only valid if **BPF_F_USER_STACK** is also specified.
+ * Collect (build_id, file_offset) instead of ips for user
+ * stack, only valid if **BPF_F_USER_STACK** is also
+ * specified.
+ *
+ * *file_offset* is an offset relative to the beginning
+ * of the executable or shared object file backing the vma
+ * which the *ip* falls in. It is *not* an offset relative
+ * to that object's base address. Accordingly, it must be
+ * adjusted by adding (sh_addr - sh_offset), where
+ * sh_{addr,offset} correspond to the executable section
+ * containing *file_offset* in the object, for comparisons
+ * to symbols' st_value to be valid.
*
* **bpf_get_stack**\ () can collect up to
* **PERF_MAX_STACK_DEPTH** both kernel and user frames, subject
@@ -3597,10 +3641,11 @@ union bpf_attr {
*
* *iph* points to the start of the IPv4 or IPv6 header, while
* *iph_len* contains **sizeof**\ (**struct iphdr**) or
- * **sizeof**\ (**struct ip6hdr**).
+ * **sizeof**\ (**struct ipv6hdr**).
*
* *th* points to the start of the TCP header, while *th_len*
- * contains **sizeof**\ (**struct tcphdr**).
+ * contains the length of the TCP header (at least
+ * **sizeof**\ (**struct tcphdr**)).
* Return
* 0 if *iph* and *th* are a valid SYN cookie ACK, or a negative
* error otherwise.
@@ -3783,10 +3828,11 @@ union bpf_attr {
*
* *iph* points to the start of the IPv4 or IPv6 header, while
* *iph_len* contains **sizeof**\ (**struct iphdr**) or
- * **sizeof**\ (**struct ip6hdr**).
+ * **sizeof**\ (**struct ipv6hdr**).
*
* *th* points to the start of the TCP header, while *th_len*
- * contains the length of the TCP header.
+ * contains the length of the TCP header with options (at least
+ * **sizeof**\ (**struct tcphdr**)).
* Return
* On success, lower 32 bits hold the generated SYN cookie in
* followed by 16 bits which hold the MSS value for that cookie,
@@ -4420,7 +4466,7 @@ union bpf_attr {
*
* **-EEXIST** if the option already exists.
*
- * **-EFAULT** on failrue to parse the existing header options.
+ * **-EFAULT** on failure to parse the existing header options.
*
* **-EPERM** if the helper cannot be used under the current
* *skops*\ **->op**.
@@ -4629,7 +4675,7 @@ union bpf_attr {
* a *map* with *task* as the **key**. From this
* perspective, the usage is not much different from
* **bpf_map_lookup_elem**\ (*map*, **&**\ *task*) except this
- * helper enforces the key must be an task_struct and the map must also
+ * helper enforces the key must be a task_struct and the map must also
* be a **BPF_MAP_TYPE_TASK_STORAGE**.
*
* Underneath, the value is stored locally at *task* instead of
@@ -4687,7 +4733,7 @@ union bpf_attr {
*
* long bpf_ima_inode_hash(struct inode *inode, void *dst, u32 size)
* Description
- * Returns the stored IMA hash of the *inode* (if it's avaialable).
+ * Returns the stored IMA hash of the *inode* (if it's available).
* If the hash is larger than *size*, then only *size*
* bytes will be copied to *dst*
* Return
@@ -4711,12 +4757,12 @@ union bpf_attr {
*
* The argument *len_diff* can be used for querying with a planned
* size change. This allows to check MTU prior to changing packet
- * ctx. Providing an *len_diff* adjustment that is larger than the
+ * ctx. Providing a *len_diff* adjustment that is larger than the
* actual packet size (resulting in negative packet size) will in
- * principle not exceed the MTU, why it is not considered a
- * failure. Other BPF-helpers are needed for performing the
- * planned size change, why the responsability for catch a negative
- * packet size belong in those helpers.
+ * principle not exceed the MTU, which is why it is not considered
+ * a failure. Other BPF helpers are needed for performing the
+ * planned size change; therefore the responsibility for catching
+ * a negative packet size belongs in those helpers.
*
* Specifying *ifindex* zero means the MTU check is performed
* against the current net device. This is practical if this isn't
@@ -4914,6 +4960,7 @@ union bpf_attr {
* Get address of the traced function (for tracing and kprobe programs).
* Return
* Address of the traced function.
+ * 0 for kprobes placed within the function (not at the entry).
*
* u64 bpf_get_attach_cookie(void *ctx)
* Description
@@ -5043,12 +5090,12 @@ union bpf_attr {
*
* long bpf_get_func_arg(void *ctx, u32 n, u64 *value)
* Description
- * Get **n**-th argument (zero based) of the traced function (for tracing programs)
+ * Get **n**-th argument register (zero based) of the traced function (for tracing programs)
* returned in **value**.
*
* Return
* 0 on success.
- * **-EINVAL** if n >= arguments count of traced function.
+ * **-EINVAL** if n >= argument register count of traced function.
*
* long bpf_get_func_ret(void *ctx, u64 *value)
* Description
@@ -5061,24 +5108,37 @@ union bpf_attr {
*
* long bpf_get_func_arg_cnt(void *ctx)
* Description
- * Get number of arguments of the traced function (for tracing programs).
+ * Get number of registers of the traced function (for tracing programs) where
+ * function arguments are stored in these registers.
*
* Return
- * The number of arguments of the traced function.
+ * The number of argument registers of the traced function.
*
* int bpf_get_retval(void)
* Description
- * Get the syscall's return value that will be returned to userspace.
+ * Get the BPF program's return value that will be returned to the upper layers.
*
- * This helper is currently supported by cgroup programs only.
+ * This helper is currently supported by cgroup programs and only by the hooks
+ * where BPF program's return value is returned to the userspace via errno.
* Return
- * The syscall's return value.
+ * The BPF program's return value.
*
* int bpf_set_retval(int retval)
* Description
- * Set the syscall's return value that will be returned to userspace.
+ * Set the BPF program's return value that will be returned to the upper layers.
+ *
+ * This helper is currently supported by cgroup programs and only by the hooks
+ * where BPF program's return value is returned to the userspace via errno.
+ *
+ * Note that there is the following corner case where the program exports an error
+ * via bpf_set_retval but signals success via 'return 1':
+ *
+ * bpf_set_retval(-EPERM);
+ * return 1;
+ *
+ * In this case, the BPF program's return value will use helper's -EPERM. This
+ * still holds true for cgroup/bind{4,6} which supports extra 'return 3' success case.
*
- * This helper is currently supported by cgroup programs only.
* Return
* 0 on success, or a negative error in case of failure.
*
@@ -5252,6 +5312,129 @@ union bpf_attr {
* Pointer to the underlying dynptr data, NULL if the dynptr is
* read-only, if the dynptr is invalid, or if the offset and length
* is out of bounds.
+ *
+ * s64 bpf_tcp_raw_gen_syncookie_ipv4(struct iphdr *iph, struct tcphdr *th, u32 th_len)
+ * Description
+ * Try to issue a SYN cookie for the packet with corresponding
+ * IPv4/TCP headers, *iph* and *th*, without depending on a
+ * listening socket.
+ *
+ * *iph* points to the IPv4 header.
+ *
+ * *th* points to the start of the TCP header, while *th_len*
+ * contains the length of the TCP header (at least
+ * **sizeof**\ (**struct tcphdr**)).
+ * Return
+ * On success, lower 32 bits hold the generated SYN cookie in
+ * followed by 16 bits which hold the MSS value for that cookie,
+ * and the top 16 bits are unused.
+ *
+ * On failure, the returned value is one of the following:
+ *
+ * **-EINVAL** if *th_len* is invalid.
+ *
+ * s64 bpf_tcp_raw_gen_syncookie_ipv6(struct ipv6hdr *iph, struct tcphdr *th, u32 th_len)
+ * Description
+ * Try to issue a SYN cookie for the packet with corresponding
+ * IPv6/TCP headers, *iph* and *th*, without depending on a
+ * listening socket.
+ *
+ * *iph* points to the IPv6 header.
+ *
+ * *th* points to the start of the TCP header, while *th_len*
+ * contains the length of the TCP header (at least
+ * **sizeof**\ (**struct tcphdr**)).
+ * Return
+ * On success, lower 32 bits hold the generated SYN cookie in
+ * followed by 16 bits which hold the MSS value for that cookie,
+ * and the top 16 bits are unused.
+ *
+ * On failure, the returned value is one of the following:
+ *
+ * **-EINVAL** if *th_len* is invalid.
+ *
+ * **-EPROTONOSUPPORT** if CONFIG_IPV6 is not builtin.
+ *
+ * long bpf_tcp_raw_check_syncookie_ipv4(struct iphdr *iph, struct tcphdr *th)
+ * Description
+ * Check whether *iph* and *th* contain a valid SYN cookie ACK
+ * without depending on a listening socket.
+ *
+ * *iph* points to the IPv4 header.
+ *
+ * *th* points to the TCP header.
+ * Return
+ * 0 if *iph* and *th* are a valid SYN cookie ACK.
+ *
+ * On failure, the returned value is one of the following:
+ *
+ * **-EACCES** if the SYN cookie is not valid.
+ *
+ * long bpf_tcp_raw_check_syncookie_ipv6(struct ipv6hdr *iph, struct tcphdr *th)
+ * Description
+ * Check whether *iph* and *th* contain a valid SYN cookie ACK
+ * without depending on a listening socket.
+ *
+ * *iph* points to the IPv6 header.
+ *
+ * *th* points to the TCP header.
+ * Return
+ * 0 if *iph* and *th* are a valid SYN cookie ACK.
+ *
+ * On failure, the returned value is one of the following:
+ *
+ * **-EACCES** if the SYN cookie is not valid.
+ *
+ * **-EPROTONOSUPPORT** if CONFIG_IPV6 is not builtin.
+ *
+ * u64 bpf_ktime_get_tai_ns(void)
+ * Description
+ * A nonsettable system-wide clock derived from wall-clock time but
+ * ignoring leap seconds. This clock does not experience
+ * discontinuities and backwards jumps caused by NTP inserting leap
+ * seconds as CLOCK_REALTIME does.
+ *
+ * See: **clock_gettime**\ (**CLOCK_TAI**)
+ * Return
+ * Current *ktime*.
+ *
+ * long bpf_user_ringbuf_drain(struct bpf_map *map, void *callback_fn, void *ctx, u64 flags)
+ * Description
+ * Drain samples from the specified user ring buffer, and invoke
+ * the provided callback for each such sample:
+ *
+ * long (\*callback_fn)(struct bpf_dynptr \*dynptr, void \*ctx);
+ *
+ * If **callback_fn** returns 0, the helper will continue to try
+ * and drain the next sample, up to a maximum of
+ * BPF_MAX_USER_RINGBUF_SAMPLES samples. If the return value is 1,
+ * the helper will skip the rest of the samples and return. Other
+ * return values are not used now, and will be rejected by the
+ * verifier.
+ * Return
+ * The number of drained samples if no error was encountered while
+ * draining samples, or 0 if no samples were present in the ring
+ * buffer. If a user-space producer was epoll-waiting on this map,
+ * and at least one sample was drained, they will receive an event
+ * notification notifying them of available space in the ring
+ * buffer. If the BPF_RB_NO_WAKEUP flag is passed to this
+ * function, no wakeup notification will be sent. If the
+ * BPF_RB_FORCE_WAKEUP flag is passed, a wakeup notification will
+ * be sent even if no sample was drained.
+ *
+ * On failure, the returned value is one of the following:
+ *
+ * **-EBUSY** if the ring buffer is contended, and another calling
+ * context was concurrently draining the ring buffer.
+ *
+ * **-EINVAL** if user-space is not properly tracking the ring
+ * buffer due to the producer position not being aligned to 8
+ * bytes, a sample not being aligned to 8 bytes, or the producer
+ * position not matching the advertised length of a sample.
+ *
+ * **-E2BIG** if user-space has tried to publish a sample which is
+ * larger than the size of the ring buffer, or which cannot fit
+ * within a struct bpf_dynptr.
*/
#define __BPF_FUNC_MAPPER(FN) \
FN(unspec), \
@@ -5458,6 +5641,12 @@ union bpf_attr {
FN(dynptr_read), \
FN(dynptr_write), \
FN(dynptr_data), \
+ FN(tcp_raw_gen_syncookie_ipv4), \
+ FN(tcp_raw_gen_syncookie_ipv6), \
+ FN(tcp_raw_check_syncookie_ipv4), \
+ FN(tcp_raw_check_syncookie_ipv6), \
+ FN(ktime_get_tai_ns), \
+ FN(user_ringbuf_drain), \
/* */
/* integer value in 'imm' field of BPF_CALL instruction selects which helper
@@ -5520,6 +5709,11 @@ enum {
BPF_F_SEQ_NUMBER = (1ULL << 3),
};
+/* BPF_FUNC_skb_get_tunnel_key flags. */
+enum {
+ BPF_F_TUNINFO_FLAGS = (1ULL << 4),
+};
+
/* BPF_FUNC_perf_event_output, BPF_FUNC_perf_event_read and
* BPF_FUNC_perf_event_read_value flags.
*/
@@ -5709,7 +5903,10 @@ struct bpf_tunnel_key {
};
__u8 tunnel_tos;
__u8 tunnel_ttl;
- __u16 tunnel_ext; /* Padding, future use. */
+ union {
+ __u16 tunnel_ext; /* compat */
+ __be16 tunnel_flags;
+ };
__u32 tunnel_label;
union {
__u32 local_ipv4;
@@ -5753,6 +5950,11 @@ enum bpf_ret_code {
* represented by BPF_REDIRECT above).
*/
BPF_LWT_REROUTE = 128,
+ /* BPF_FLOW_DISSECTOR_CONTINUE: used by BPF_PROG_TYPE_FLOW_DISSECTOR
+ * to indicate that no custom dissection was performed, and
+ * fallback to standard dissector is requested.
+ */
+ BPF_FLOW_DISSECTOR_CONTINUE = 129,
};
struct bpf_sock {
@@ -5998,6 +6200,8 @@ struct bpf_prog_info {
__u64 run_cnt;
__u64 recursion_misses;
__u32 verified_insns;
+ __u32 attach_btf_obj_id;
+ __u32 attach_btf_id;
} __attribute__((aligned(8)));