From patchwork Fri Apr 8 11:43:25 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mark Brown X-Patchwork-Id: 559031 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id DAB10C433FE for ; Fri, 8 Apr 2022 11:57:44 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235335AbiDHL7q (ORCPT ); Fri, 8 Apr 2022 07:59:46 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46338 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235333AbiDHL7p (ORCPT ); Fri, 8 Apr 2022 07:59:45 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1FF237E0AD for ; Fri, 8 Apr 2022 04:57:42 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id B0B806206B for ; Fri, 8 Apr 2022 11:57:41 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 91F70C385A3; Fri, 8 Apr 2022 11:57:37 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1649419061; bh=fXwWFB6jpNtZae17QXbW3zbq8KuNTW7OX2FF8Uha5Gg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=X92WI7z4RGG0VunIHRyEp1idvjJC5w39+Qvo2uDLOIOHl22mECCvQg5DiBV8uY9yB 60rEC/Z5OYMLL8yZvWmZDH76HpuEC6eHZsLoEQeSsOk8I6JP7u1qZO2S7wxkhj/046 /yOIFhEoqiDzmggUfh+fbXCwZxJklPIvmF9gcHHDOaUKUfw2exXsyITggjWJ1gZVpz 7z1ziny8rb3nrdK+NSesol+KCLLEKy3r+cFK5Y8WjjB8V5x5qaAW+nvnBOtCN32qe0 eFOj9ijyxu93f/L+dhUkZ5O2s2LORzOpx/42gvmYSl106bPFaZdOPZSoJLrohJH6At r3Da5gtOxsrwA== From: Mark Brown To: Catalin Marinas , Will Deacon , Marc Zyngier , Shuah Khan , Shuah Khan Cc: Alan Hayward , Luis Machado , Salil Akerkar , Basant Kumar Dwivedi , Szabolcs Nagy , James Morse , Alexandru Elisei , Suzuki K Poulose , Luca Salabrino , linux-arm-kernel@lists.infradead.org, linux-kselftest@vger.kernel.org, kvmarm@lists.cs.columbia.edu, Mark Brown Subject: [PATCH v13 36/39] kselftest/arm64: Add streaming SVE to SVE ptrace tests Date: Fri, 8 Apr 2022 12:43:25 +0100 Message-Id: <20220408114328.1401034-37-broonie@kernel.org> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20220408114328.1401034-1-broonie@kernel.org> References: <20220408114328.1401034-1-broonie@kernel.org> MIME-Version: 1.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=1379; h=from:subject; bh=fXwWFB6jpNtZae17QXbW3zbq8KuNTW7OX2FF8Uha5Gg=; b=owEBbQGS/pANAwAKASTWi3JdVIfQAcsmYgBiUB/bazFhET/VUe/nNfuFBfkZb5fRXDAX4kKR1kYv hE3ThlSJATMEAAEKAB0WIQSt5miqZ1cYtZ/in+ok1otyXVSH0AUCYlAf2wAKCRAk1otyXVSH0GkMB/ 9mF487zFtWpdx5GykcBjgpGduiVWvApMYQf6xeNVOrUOEqdFa5uMl0KiERfCRnnXZ4UQg90hiam7Q+ iZFbeW5ftjHWfnZ05yc1MXP9lF0O3uhSM5M1BVMprh2JzE0PnL8psYbvXPR7wT3PT+XAWWZQix7P/v ApxQJecxhdRS7z6kD1OhwUCWfHjaXD6LS0HpvWW/WST5Dm9aec1y9clFRJJMIyUwXjy1J/W0X++alD 8bgow2WQ0UgKc3VrF9VJTIbLCiAUrjBlp4ZXDcA4bnOX/GguNsHCmPfL3JZ5tJuKzza8Nv4BCBOqTH TrZI8YyI1qkR1uNojmulngJF2xn4qC X-Developer-Key: i=broonie@kernel.org; a=openpgp; fpr=3F2568AAC26998F9E813A1C5C3F436CA30F5D8EB Precedence: bulk List-ID: X-Mailing-List: linux-kselftest@vger.kernel.org In order to allow ptrace of streaming mode SVE registers we have added a new regset for streaming mode which in isolation offers the same ABI as regular SVE with a different vector type. Add this to the array of regsets we handle, together with additional tests for the interoperation of the two regsets. Signed-off-by: Mark Brown Reviewed-by: Shuah Khan Acked-by: Catalin Marinas --- tools/testing/selftests/arm64/fp/sve-ptrace.c | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/tools/testing/selftests/arm64/fp/sve-ptrace.c b/tools/testing/selftests/arm64/fp/sve-ptrace.c index c2564480b750..df45e4f9465c 100644 --- a/tools/testing/selftests/arm64/fp/sve-ptrace.c +++ b/tools/testing/selftests/arm64/fp/sve-ptrace.c @@ -26,6 +26,10 @@ #define NT_ARM_SVE 0x405 #endif +#ifndef NT_ARM_SSVE +#define NT_ARM_SSVE 0x40b +#endif + struct vec_type { const char *name; unsigned long hwcap_type; @@ -42,6 +46,13 @@ static const struct vec_type vec_types[] = { .regset = NT_ARM_SVE, .prctl_set = PR_SVE_SET_VL, }, + { + .name = "Streaming SVE", + .hwcap_type = AT_HWCAP2, + .hwcap = HWCAP2_SME, + .regset = NT_ARM_SSVE, + .prctl_set = PR_SME_SET_VL, + }, }; #define VL_TESTS (((SVE_VQ_MAX - SVE_VQ_MIN) + 1) * 4)