From patchwork Wed Jan 26 15:27:47 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mark Brown X-Patchwork-Id: 12725327 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 27116C2BA4C for ; Wed, 26 Jan 2022 15:32:49 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S242865AbiAZPcs (ORCPT ); Wed, 26 Jan 2022 10:32:48 -0500 Received: from ams.source.kernel.org ([145.40.68.75]:50030 "EHLO ams.source.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235837AbiAZPcs (ORCPT ); Wed, 26 Jan 2022 10:32:48 -0500 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 ams.source.kernel.org (Postfix) with ESMTPS id 320A0B81EA8 for ; Wed, 26 Jan 2022 15:32:47 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id A0E4EC340E9; Wed, 26 Jan 2022 15:32:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1643211166; bh=Oja1/wO9gzdoi99/QIiaS7CVLDJss5+ewa1C/MDEXls=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=KHwjbQRWRnrBgUU7VnH4HwgMC0wUnmRv1nutfz8fgs46/8Na/7zB5mcWQIY/U98HS fYSDE0k6eifKSAyr5OAmiBgLGfRtv6JrwYraea7fRewJhKg8RIbCut2IvYZZq33MQO mYGmb0BNpANqvczNYK/g6dXKaZ4SHoI/61hrPZXrIuJXoe+FhzJoIiyV/tLhm44Ddy g+N3Oa4OjS460oCakVL9MwJoy6CxXSYwbWFrWxa8htbjDwZ0LZshEDDs+xaGv7mv5X Rir5M6+NjWZK1gu4/b/hKBBv1V8UAVlOWetrsJqpbMgVMNy4u6gtjtbQn/UA7ZVjKn CWAA2VT40om7w== 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 , linux-arm-kernel@lists.infradead.org, linux-kselftest@vger.kernel.org, kvmarm@lists.cs.columbia.edu, Mark Brown Subject: [PATCH v10 37/39] kselftest/arm64: Add streaming SVE to SVE ptrace tests Date: Wed, 26 Jan 2022 15:27:47 +0000 Message-Id: <20220126152749.233712-38-broonie@kernel.org> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20220126152749.233712-1-broonie@kernel.org> References: <20220126152749.233712-1-broonie@kernel.org> MIME-Version: 1.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=1273; h=from:subject; bh=Oja1/wO9gzdoi99/QIiaS7CVLDJss5+ewa1C/MDEXls=; b=owEBbQGS/pANAwAKASTWi3JdVIfQAcsmYgBh8WhyKqGPNGZXH7z6iwfnPdNtlzhXYbjCCRcGKiz8 vwxyiyiJATMEAAEKAB0WIQSt5miqZ1cYtZ/in+ok1otyXVSH0AUCYfFocgAKCRAk1otyXVSH0MzTB/ 40+l9PdyJyNwSWKkAQTjBS2CPl2JqgTo/FBRvlXhV4ZoedXN9pRfwUrwif9DXJBPRyGxRgnEevRIw0 l3A1nYQyDZT69HQWfDkbzp3lGKpbSImc0XQo1j9xxQrZM+6br01f4YVGDFh5Qoy2kA659wU3lS/OsZ J/aVI67Eq/9ru7ocZU9WPSKv123ZU2VxBVHmHgP2HpPnvqtV0Ersgh5EVARrU9vl58FPu9O9bRjRh5 cP2QBc00gUf/p7f8S0diSaXvrB36mbxYrGw2FK1hYAYezlgBpFMQ8hKEftHkXheSiu4Jv3Jy7CpACy NPLTq7N1IwLOCDTMQ9Gt9mXSro15eR 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 --- 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 90ba1d6a6781..fb74b11bab71 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) * 3)