From: Mark Brown <broonie@kernel.org> To: Catalin Marinas <catalin.marinas@arm.com>, Will Deacon <will@kernel.org>, Shuah Khan <skhan@linuxfoundation.org>, Shuah Khan <shuah@kernel.org> Cc: Alan Hayward <alan.hayward@arm.com>, Luis Machado <luis.machado@arm.com>, Salil Akerkar <Salil.Akerkar@arm.com>, Basant Kumar Dwivedi <Basant.KumarDwivedi@arm.com>, Szabolcs Nagy <szabolcs.nagy@arm.com>, linux-arm-kernel@lists.infradead.org, linux-kselftest@vger.kernel.org, Mark Brown <broonie@kernel.org> Subject: [PATCH v7 29/37] kselftest/arm64: sme: Add streaming SME support to vlset Date: Fri, 10 Dec 2021 18:41:25 +0000 [thread overview] Message-ID: <20211210184133.320748-30-broonie@kernel.org> (raw) In-Reply-To: <20211210184133.320748-1-broonie@kernel.org> The Scalable Matrix Extenions (SME) introduces additional register state with configurable vector lengths, similar to SVE but configured separately. Extend vlset to support configuring this state with a --sme or -s command line option. Signed-off-by: Mark Brown <broonie@kernel.org> --- tools/testing/selftests/arm64/fp/vlset.c | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) diff --git a/tools/testing/selftests/arm64/fp/vlset.c b/tools/testing/selftests/arm64/fp/vlset.c index 308d27a68226..76912a581a95 100644 --- a/tools/testing/selftests/arm64/fp/vlset.c +++ b/tools/testing/selftests/arm64/fp/vlset.c @@ -22,12 +22,15 @@ static int inherit = 0; static int no_inherit = 0; static int force = 0; static unsigned long vl; +static int set_ctl = PR_SVE_SET_VL; +static int get_ctl = PR_SVE_GET_VL; static const struct option options[] = { { "force", no_argument, NULL, 'f' }, { "inherit", no_argument, NULL, 'i' }, { "max", no_argument, NULL, 'M' }, { "no-inherit", no_argument, &no_inherit, 1 }, + { "sme", no_argument, NULL, 's' }, { "help", no_argument, NULL, '?' }, {} }; @@ -50,6 +53,9 @@ static int parse_options(int argc, char **argv) case 'M': vl = SVE_VL_MAX; break; case 'f': force = 1; break; case 'i': inherit = 1; break; + case 's': set_ctl = PR_SME_SET_VL; + get_ctl = PR_SME_GET_VL; + break; case 0: break; default: goto error; } @@ -125,14 +131,14 @@ int main(int argc, char **argv) if (inherit) flags |= PR_SVE_VL_INHERIT; - t = prctl(PR_SVE_SET_VL, vl | flags); + t = prctl(set_ctl, vl | flags); if (t < 0) { fprintf(stderr, "%s: PR_SVE_SET_VL: %s\n", program_name, strerror(errno)); goto error; } - t = prctl(PR_SVE_GET_VL); + t = prctl(get_ctl); if (t == -1) { fprintf(stderr, "%s: PR_SVE_GET_VL: %s\n", program_name, strerror(errno)); -- 2.30.2
WARNING: multiple messages have this Message-ID (diff)
From: Mark Brown <broonie@kernel.org> To: Catalin Marinas <catalin.marinas@arm.com>, Will Deacon <will@kernel.org>, Shuah Khan <skhan@linuxfoundation.org>, Shuah Khan <shuah@kernel.org> Cc: Alan Hayward <alan.hayward@arm.com>, Luis Machado <luis.machado@arm.com>, Salil Akerkar <Salil.Akerkar@arm.com>, Basant Kumar Dwivedi <Basant.KumarDwivedi@arm.com>, Szabolcs Nagy <szabolcs.nagy@arm.com>, linux-arm-kernel@lists.infradead.org, linux-kselftest@vger.kernel.org, Mark Brown <broonie@kernel.org> Subject: [PATCH v7 29/37] kselftest/arm64: sme: Add streaming SME support to vlset Date: Fri, 10 Dec 2021 18:41:25 +0000 [thread overview] Message-ID: <20211210184133.320748-30-broonie@kernel.org> (raw) In-Reply-To: <20211210184133.320748-1-broonie@kernel.org> The Scalable Matrix Extenions (SME) introduces additional register state with configurable vector lengths, similar to SVE but configured separately. Extend vlset to support configuring this state with a --sme or -s command line option. Signed-off-by: Mark Brown <broonie@kernel.org> --- tools/testing/selftests/arm64/fp/vlset.c | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) diff --git a/tools/testing/selftests/arm64/fp/vlset.c b/tools/testing/selftests/arm64/fp/vlset.c index 308d27a68226..76912a581a95 100644 --- a/tools/testing/selftests/arm64/fp/vlset.c +++ b/tools/testing/selftests/arm64/fp/vlset.c @@ -22,12 +22,15 @@ static int inherit = 0; static int no_inherit = 0; static int force = 0; static unsigned long vl; +static int set_ctl = PR_SVE_SET_VL; +static int get_ctl = PR_SVE_GET_VL; static const struct option options[] = { { "force", no_argument, NULL, 'f' }, { "inherit", no_argument, NULL, 'i' }, { "max", no_argument, NULL, 'M' }, { "no-inherit", no_argument, &no_inherit, 1 }, + { "sme", no_argument, NULL, 's' }, { "help", no_argument, NULL, '?' }, {} }; @@ -50,6 +53,9 @@ static int parse_options(int argc, char **argv) case 'M': vl = SVE_VL_MAX; break; case 'f': force = 1; break; case 'i': inherit = 1; break; + case 's': set_ctl = PR_SME_SET_VL; + get_ctl = PR_SME_GET_VL; + break; case 0: break; default: goto error; } @@ -125,14 +131,14 @@ int main(int argc, char **argv) if (inherit) flags |= PR_SVE_VL_INHERIT; - t = prctl(PR_SVE_SET_VL, vl | flags); + t = prctl(set_ctl, vl | flags); if (t < 0) { fprintf(stderr, "%s: PR_SVE_SET_VL: %s\n", program_name, strerror(errno)); goto error; } - t = prctl(PR_SVE_GET_VL); + t = prctl(get_ctl); if (t == -1) { fprintf(stderr, "%s: PR_SVE_GET_VL: %s\n", program_name, strerror(errno)); -- 2.30.2 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2021-12-10 18:45 UTC|newest] Thread overview: 80+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-12-10 18:40 [PATCH v7 00/37] arm64/sme: Initial support for the Scalable Matrix Extension Mark Brown 2021-12-10 18:40 ` Mark Brown 2021-12-10 18:40 ` [PATCH v7 01/37] arm64/sve: Make sysctl interface for SVE reusable by SME Mark Brown 2021-12-10 18:40 ` Mark Brown 2021-12-10 18:40 ` [PATCH v7 02/37] arm64/sve: Generalise vector length configuration prctl() for SME Mark Brown 2021-12-10 18:40 ` Mark Brown 2021-12-10 18:40 ` [PATCH v7 03/37] arm64/sve: Minor clarification of ABI documentation Mark Brown 2021-12-10 18:40 ` Mark Brown 2021-12-10 18:41 ` [PATCH v7 04/37] kselftest/arm64: Parameterise ptrace vector length information Mark Brown 2021-12-10 18:41 ` Mark Brown 2021-12-10 18:41 ` [PATCH v7 05/37] kselftest/arm64: Allow signal tests to trigger from a function Mark Brown 2021-12-10 18:41 ` Mark Brown 2021-12-10 18:41 ` [PATCH v7 06/37] kselftest/arm64: Add a test program to exercise the syscall ABI Mark Brown 2021-12-10 18:41 ` Mark Brown 2021-12-10 18:41 ` [PATCH v7 07/37] arm64: cpufeature: Always specify and use a field width for capabilities Mark Brown 2021-12-10 18:41 ` Mark Brown 2021-12-10 18:41 ` [PATCH v7 08/37] tools/nolibc: Implement gettid() Mark Brown 2021-12-10 18:41 ` Mark Brown 2021-12-10 18:41 ` [PATCH v7 09/37] arm64/sme: Provide ABI documentation for SME Mark Brown 2021-12-10 18:41 ` Mark Brown 2021-12-10 18:41 ` [PATCH v7 10/37] arm64/sme: System register and exception syndrome definitions Mark Brown 2021-12-10 18:41 ` Mark Brown 2021-12-10 18:41 ` [PATCH v7 11/37] arm64/sme: Define macros for manually encoding SME instructions Mark Brown 2021-12-10 18:41 ` Mark Brown 2021-12-10 18:41 ` [PATCH v7 12/37] arm64/sme: Early CPU setup for SME Mark Brown 2021-12-10 18:41 ` Mark Brown 2021-12-10 18:41 ` [PATCH v7 13/37] arm64/sme: Basic enumeration support Mark Brown 2021-12-10 18:41 ` Mark Brown 2021-12-10 18:41 ` [PATCH v7 14/37] arm64/sme: Identify supported SME vector lengths at boot Mark Brown 2021-12-10 18:41 ` Mark Brown 2021-12-10 18:41 ` [PATCH v7 15/37] arm64/sme: Implement sysctl to set the default vector length Mark Brown 2021-12-10 18:41 ` Mark Brown 2021-12-10 18:41 ` [PATCH v7 16/37] arm64/sme: Implement vector length configuration prctl()s Mark Brown 2021-12-10 18:41 ` Mark Brown 2021-12-10 18:41 ` [PATCH v7 17/37] arm64/sme: Implement support for TPIDR2 Mark Brown 2021-12-10 18:41 ` Mark Brown 2021-12-10 18:41 ` [PATCH v7 18/37] arm64/sme: Implement SVCR context switching Mark Brown 2021-12-10 18:41 ` Mark Brown 2021-12-10 18:41 ` [PATCH v7 19/37] arm64/sme: Implement streaming SVE " Mark Brown 2021-12-10 18:41 ` Mark Brown 2021-12-10 18:41 ` [PATCH v7 20/37] arm64/sme: Implement ZA " Mark Brown 2021-12-10 18:41 ` Mark Brown 2021-12-10 18:41 ` [PATCH v7 21/37] arm64/sme: Implement traps and syscall handling for SME Mark Brown 2021-12-10 18:41 ` Mark Brown 2021-12-10 18:41 ` [PATCH v7 22/37] arm64/sme: Implement streaming SVE signal handling Mark Brown 2021-12-10 18:41 ` Mark Brown 2021-12-10 18:41 ` [PATCH v7 23/37] arm64/sme: Implement ZA " Mark Brown 2021-12-10 18:41 ` Mark Brown 2021-12-10 18:41 ` [PATCH v7 24/37] arm64/sme: Implement ptrace support for streaming mode SVE registers Mark Brown 2021-12-10 18:41 ` Mark Brown 2021-12-10 18:41 ` [PATCH v7 25/37] arm64/sme: Add ptrace support for ZA Mark Brown 2021-12-10 18:41 ` Mark Brown 2021-12-10 18:41 ` [PATCH v7 26/37] arm64/sme: Disable streaming mode and ZA when flushing CPU state Mark Brown 2021-12-10 18:41 ` Mark Brown 2021-12-10 18:41 ` [PATCH v7 27/37] arm64/sme: Save and restore streaming mode over EFI runtime calls Mark Brown 2021-12-10 18:41 ` Mark Brown 2021-12-10 18:41 ` [PATCH v7 28/37] arm64/sme: Provide Kconfig for SME Mark Brown 2021-12-10 18:41 ` Mark Brown 2021-12-10 18:41 ` Mark Brown [this message] 2021-12-10 18:41 ` [PATCH v7 29/37] kselftest/arm64: sme: Add streaming SME support to vlset Mark Brown 2021-12-10 18:41 ` [PATCH v7 30/37] kselftest/arm64: Add tests for TPIDR2 Mark Brown 2021-12-10 18:41 ` Mark Brown 2021-12-10 18:41 ` [PATCH v7 31/37] kselftest/arm64: Extend vector configuration API tests to cover SME Mark Brown 2021-12-10 18:41 ` Mark Brown 2021-12-10 18:41 ` [PATCH v7 32/37] kselftest/arm64: sme: Provide streaming mode SVE stress test Mark Brown 2021-12-10 18:41 ` Mark Brown 2021-12-10 18:41 ` [PATCH v7 33/37] kselftest/arm64: Add stress test for SME ZA context switching Mark Brown 2021-12-10 18:41 ` Mark Brown 2021-12-10 18:41 ` [PATCH v7 34/37] kselftest/arm64: signal: Add SME signal handling tests Mark Brown 2021-12-10 18:41 ` Mark Brown 2021-12-10 18:41 ` [PATCH v7 35/37] kselftest/arm64: Add streaming SVE to SVE ptrace tests Mark Brown 2021-12-10 18:41 ` Mark Brown 2021-12-10 18:41 ` [PATCH v7 36/37] kselftest/arm64: Add coverage for the ZA ptrace interface Mark Brown 2021-12-10 18:41 ` Mark Brown 2021-12-10 18:41 ` [PATCH v7 37/37] kselftest/arm64: Add SME support to syscall ABI test Mark Brown 2021-12-10 18:41 ` Mark Brown 2021-12-14 19:17 ` (subset) [PATCH v7 00/37] arm64/sme: Initial support for the Scalable Matrix Extension Catalin Marinas 2021-12-14 19:17 ` Catalin Marinas 2021-12-14 19:18 ` Catalin Marinas 2021-12-14 19:18 ` Catalin Marinas
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