From patchwork Wed Jan 26 15:11:17 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mark Brown X-Patchwork-Id: 12725223 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 5FF55C2BA4C for ; Wed, 26 Jan 2022 15:14:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233709AbiAZPOP (ORCPT ); Wed, 26 Jan 2022 10:14:15 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41264 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S242627AbiAZPOO (ORCPT ); Wed, 26 Jan 2022 10:14:14 -0500 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8380CC06161C for ; Wed, 26 Jan 2022 07:14:12 -0800 (PST) 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 231CB61842 for ; Wed, 26 Jan 2022 15:14:12 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 383FDC340EB; Wed, 26 Jan 2022 15:14:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1643210051; bh=Oja1/wO9gzdoi99/QIiaS7CVLDJss5+ewa1C/MDEXls=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=UspBiTLX7oA/wP9GC6WdtaGZ6p6ABC3ihVdAn1wAEuQxR7031HUx/7Q6qOVW9EHQG ZnNAQxk55sPUOqZWGN3yfV/j8TAyTmQiyn3lPAWQcjqz5VxEMzvq2yvy+15B68GWzO vQAH5o8mUOBdWBJLUqPZ9UooD+n6mYI3iu/zyL9GzcEYcMbuj7OzMe/1m/6Xl79twS KGGXsriV9t85PcIK+QD+ZAh8mjX9oNRLWe6fYNhZZ+Gv7dUlLdVQGeUcA3H/cCzYja GXI9klyRdUijcueJgHzA5LJcz0tOfLi8DYSsTDNArUjkNeNEKHvVwfJGfG0a8e65LJ hCRbLPG4wxB2g== 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 v9 37/40] kselftest/arm64: Add streaming SVE to SVE ptrace tests Date: Wed, 26 Jan 2022 15:11:17 +0000 Message-Id: <20220126151120.3811248-38-broonie@kernel.org> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20220126151120.3811248-1-broonie@kernel.org> References: <20220126151120.3811248-1-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/pANAwAKASTWi3JdVIfQAcsmYgBh8WSUKqGPNGZXH7z6iwfnPdNtlzhXYbjCCRcGKiz8 vwxyiyiJATMEAAEKAB0WIQSt5miqZ1cYtZ/in+ok1otyXVSH0AUCYfFklAAKCRAk1otyXVSH0ACqB/ 9H5FbWIzMbqx0jF7effH5vEJmz1AFPrA2WB3HBOBbIaMlvmVGPsk3rjTzrJrv2YhmcvbR4SH5qWjcy iNEZuf584MdmuNQf2scMulPNuNY9rjIQu4Rr8CKZSDxN0HWjHYM+irqzzAK7vpCPjSxCJwJ/k5Rkg6 fOZ02eQLTWJorxtm9EjpzJhGjbhnxQElfc8fsuFP9Z1T2EVhYxIPEW12EawWFbyXbKZxanoZ/Ynk3Z 83C7JnWCoxNckdqvUcuZ08P/GFqF9FLcAl9s3wU6mHTHWthinLymZlSX1F7WKghIORkiBoLQ8wya+/ qWlaHX0+sSFYwaezFs0GYsoiSow8WU 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)