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/linux/tools/testing/selftests/arm64/fp/
H A Dsve-ptrace.c124 struct user_sve_header *sve; in get_sve() local
126 size_t sz = sizeof(*sve); in get_sve()
150 sve = *buf; in get_sve()
151 if (sve->size <= sz) in get_sve()
154 sz = sve->size; in get_sve()
157 return sve; in get_sve()
164 const struct user_sve_header *sve) in set_sve() argument
169 iov.iov_base = (void *)sve; in set_sve()
170 iov.iov_len = sve->size; in set_sve()
195 struct user_sve_header sve; in write_fails() local
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H A DMakefile11 sve-ptrace sve-probe-vls \
16 rdvl-sme rdvl-sve \
17 sve-test \
23 TEST_PROGS_EXTENDED := fpsimd-stress sve-stress ssve-stress za-stress
33 $(OUTPUT)/rdvl-sve: rdvl-sve.c $(OUTPUT)/rdvl.o
35 $(OUTPUT)/sve-ptrace: sve-ptrace.c
36 $(OUTPUT)/sve-probe-vls: sve-probe-vls.c $(OUTPUT)/rdvl.o
37 $(OUTPUT)/sve-test: sve-test.S $(OUTPUT)/asm-utils.o
39 $(OUTPUT)/ssve-test: sve-test.S $(OUTPUT)/asm-utils.o
H A DREADME7 sve-probe-vls - Checks the SVE vector length enumeration interface
8 sve-ptrace - Checks the SVE ptrace interface
13 sve-stress performs an SVE context switch stress test, as described
17 "sve" in the following commands.)
25 $ ./sve-stress
67 To try to reproduce the bugs that we have been observing, sve-stress
73 $ lkvm run --console=virtio -pconsole=hvc0 --sve Image
88 2) Run the sve-stress on *each* guest with the Vector-Length set to 32:
89 guest$ ./vlset --inherit 32 ./sve-stress
91 3) Run the sve-stress on the host with the maximum Vector-Length:
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H A Dfp-ptrace.c401 struct user_sve_header *sve; in check_ptrace_values_sve() local
428 sve = iov.iov_base; in check_ptrace_values_sve()
430 if (sve->vl != config->sve_vl_in) { in check_ptrace_values_sve()
432 sve->vl, config->sve_vl_in); in check_ptrace_values_sve()
437 if ((config->svcr_in & SVCR_SM) && (sve->flags & SVE_PT_REGS_SVE)) { in check_ptrace_values_sve()
443 if (sve->size != sizeof(sve)) { in check_ptrace_values_sve()
448 if (sve->size != SVE_PT_SIZE(vq, sve->flags)) { in check_ptrace_values_sve()
450 sve->size, SVE_PT_SIZE(vq, sve->flags)); in check_ptrace_values_sve()
456 if (sve->flags & SVE_PT_REGS_SVE) { in check_ptrace_values_sve()
485 struct user_sve_header *sve; in check_ptrace_values_ssve() local
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H A D.gitignore7 rdvl-sve
8 sve-probe-vls
9 sve-ptrace
10 sve-test
H A Drdvl.S6 .arch_extension sve
H A Dsve-stress45 ./sve-test >$log &
H A Dza-fork-asm.S6 .arch_extension sve
H A Dfp-pidbench.S13 .arch_extension sve
/linux/tools/testing/selftests/arm64/signal/testcases/
H A Dtestcases.c38 bool validate_sve_context(struct sve_context *sve, char **err) in validate_sve_context() argument
42 = ((SVE_SIG_CONTEXT_SIZE(sve_vq_from_vl(sve->vl)) + 15) / 16) * 16; in validate_sve_context()
44 if (!sve || !err) in validate_sve_context()
48 if ((sve->head.size != sizeof(struct sve_context)) && in validate_sve_context()
49 (sve->head.size != regs_size)) { in validate_sve_context()
54 if (!sve_vl_valid(sve->vl)) { in validate_sve_context()
115 struct sve_context *sve = NULL; in validate_reserved() local
176 sve = (struct sve_context *)head; in validate_reserved()
260 if (!validate_sve_context(sve, err)) in validate_reserved()
H A Dsve_regs.c47 struct sve_context *sve; in do_one_sve_vl() local
71 sve = (struct sve_context *)head; in do_one_sve_vl()
72 if (sve->vl != vl) { in do_one_sve_vl()
73 fprintf(stderr, "Got VL %d, expected %d\n", sve->vl, vl); in do_one_sve_vl()
79 head->size, sve->vl); in do_one_sve_vl()
H A Dsve_vl.c34 struct sve_context *sve; in sve_vl() local
46 sve = (struct sve_context *)head; in sve_vl()
48 if (sve->vl != vl) { in sve_vl()
50 sve->vl, vl); in sve_vl()
H A Dfake_sigreturn_sve_change_vl.c38 struct sve_context *sve; in fake_sigreturn_sve_change_vl() local
56 sve = (struct sve_context *)head; in fake_sigreturn_sve_change_vl()
60 sve->vl, vls[0]); in fake_sigreturn_sve_change_vl()
61 sve->vl = vls[0]; in fake_sigreturn_sve_change_vl()
/linux/tools/testing/selftests/arm64/abi/
H A Dsyscall-abi.c412 int sve, sme; in test_one_syscall() local
419 for (sve = 0; sve < sve_vl_count; sve++) { in test_one_syscall()
420 ret = prctl(PR_SVE_SET_VL, sve_vls[sve]); in test_one_syscall()
425 ksft_test_result(do_test(cfg, sve_vls[sve], default_sme_vl, 0), in test_one_syscall()
426 "%s SVE VL %d\n", cfg->name, sve_vls[sve]); in test_one_syscall()
434 ksft_test_result(do_test(cfg, sve_vls[sve], in test_one_syscall()
438 cfg->name, sve_vls[sve], in test_one_syscall()
440 ksft_test_result(do_test(cfg, sve_vls[sve], in test_one_syscall()
443 cfg->name, sve_vls[sve], in test_one_syscall()
445 ksft_test_result(do_test(cfg, sve_vls[sve], in test_one_syscall()
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H A Dsyscall-abi-asm.S24 .arch_extension sve
/linux/arch/arm64/kernel/
H A Dsignal.c235 struct sve_context __user *sve; member
406 if (user->sve_size < sizeof(*user->sve)) in restore_sve_fpsimd_context()
409 __get_user_error(user_vl, &(user->sve->vl), err); in restore_sve_fpsimd_context()
410 __get_user_error(flags, &(user->sve->flags), err); in restore_sve_fpsimd_context()
444 if (!sm && user->sve_size == sizeof(*user->sve)) in restore_sve_fpsimd_context()
475 (char __user const *)user->sve + in restore_sve_fpsimd_context()
765 user->sve = NULL; in parse_user_sigframe()
837 if (user->sve) in parse_user_sigframe()
840 user->sve = (struct sve_context __user *)head; in parse_user_sigframe()
1015 if (user.sve) in restore_sigframe()
/linux/Documentation/translations/zh_CN/process/
H A Dmaintainer-pgp-guide.rst709 ✓ [PATCH v1 2/3] arm64/sve: Document our actual ABI for clearing registers on syscall
/linux/Documentation/arch/arm64/
H A Dsme.rst10 documentation in sve.rst which provides details on the Streaming SVE mode
266 sve.rst.
/linux/Documentation/translations/it_IT/process/
H A Dmaintainer-pgp-guide.rst842 ✓ [PATCH v1 2/3] arm64/sve: Document our actual ABI for clearing registers on syscall
/linux/Documentation/virt/kvm/
H A Dapi.rst2676 (See Documentation/arch/arm64/sve.rst for an explanation of the "vq"