From nobody Fri Oct 31 04:14:25 2025 Delivered-To: importer@patchew.org Received-SPF: pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) client-ip=192.237.175.120; envelope-from=xen-devel-bounces@lists.xenproject.org; helo=lists.xenproject.org; Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=pass(p=quarantine dis=none) header.from=suse.com ARC-Seal: i=1; a=rsa-sha256; t=1751979613; cv=none; d=zohomail.com; s=zohoarc; b=cJNZF1Uw8BApMbzXLpYwknuQZbGd5uYx22GTrmgzyCOUYsyQMYDi/glKwNpmpIXpGKwpizCXyHxWJUviUsvGen10tTjheM+WGvBqzgMIgrcustIxvIyXPhOFergNd+IoKomLlUl5fN/hJVkFzYRFWTKsbxvuOJ75ATcZjsBRlWM= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1751979613; h=Content-Type:Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:Subject:To:To:Message-Id:Reply-To; bh=jZYWymIsQHGwjFWNPAsuNjeBzWao41WeKhaQrQS7hLU=; b=B7JxYCTJAPzVJfk/MjP01izFb9k+N7RBmfL5uqA8PWvKs9xYpK7PrLn8Xs5y3Cy+GHTSL1snfzohzm2ZckqRl6b5y7x1XGwUXBFG/SK/t5afxC5GjOmxjHVE3yeNy6rDMv9zFV/hngkcYhbtVZbBDTA7FflzSRdsYWKT402ZFPo= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; dmarc=pass header.from= (p=quarantine dis=none) Return-Path: Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) by mx.zohomail.com with SMTPS id 1751979613789899.6123133030641; Tue, 8 Jul 2025 06:00:13 -0700 (PDT) Received: from list by lists.xenproject.org with outflank-mailman.1036469.1408708 (Exim 4.92) (envelope-from ) id 1uZ7vI-0005b6-Uw; Tue, 08 Jul 2025 12:59:48 +0000 Received: by outflank-mailman (output) from mailman id 1036469.1408708; Tue, 08 Jul 2025 12:59:48 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1uZ7vI-0005az-Rx; Tue, 08 Jul 2025 12:59:48 +0000 Received: by outflank-mailman (input) for mailman id 1036469; Tue, 08 Jul 2025 12:59:47 +0000 Received: from se1-gles-sth1-in.inumbo.com ([159.253.27.254] helo=se1-gles-sth1.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1uZ7vH-0005RT-N9 for xen-devel@lists.xenproject.org; Tue, 08 Jul 2025 12:59:47 +0000 Received: from mail-wr1-x42c.google.com (mail-wr1-x42c.google.com [2a00:1450:4864:20::42c]) by se1-gles-sth1.inumbo.com (Halon) with ESMTPS id 6ccf4114-5bfb-11f0-a317-13f23c93f187; Tue, 08 Jul 2025 14:59:47 +0200 (CEST) Received: by mail-wr1-x42c.google.com with SMTP id ffacd0b85a97d-3a575a988f9so2724050f8f.0 for ; Tue, 08 Jul 2025 05:59:47 -0700 (PDT) Received: from [10.156.60.236] (ip-037-024-206-209.um08.pools.vodafone-ip.de. [37.24.206.209]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-74ce4183509sm12037812b3a.99.2025.07.08.05.59.43 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 08 Jul 2025 05:59:45 -0700 (PDT) X-Outflank-Mailman: Message body and most headers restored to incoming version X-BeenThere: xen-devel@lists.xenproject.org List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Precedence: list Sender: "Xen-devel" X-Inumbo-ID: 6ccf4114-5bfb-11f0-a317-13f23c93f187 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.com; s=google; t=1751979586; x=1752584386; darn=lists.xenproject.org; h=content-transfer-encoding:in-reply-to:autocrypt:content-language :references:cc:to:from:subject:user-agent:mime-version:date :message-id:from:to:cc:subject:date:message-id:reply-to; bh=jZYWymIsQHGwjFWNPAsuNjeBzWao41WeKhaQrQS7hLU=; b=fEd8dKXimeX7dup/gevjkOwHWt2BQGVkuSdZjPy2ZLGnrhLZuQQxGt+1n1xUVsN+l0 44KiLlCbFhpKfh+PCjmFF6RapbBs1G6+cwUY/NWCYqeqcy/B/+ijncT8be1FNjipBcWw ZDW52deLjbKmeFtrnsIbV2xecZmpCRcIwudgCdssW3r4K7LKluElr8hQaozxoXlCQRxx lkxmhCrtdXuzKG7u+I/Bg5QYX1Exeq+sFEPlwHzRF0QA5w8rRmNcuodsN4sa+b+e9bW4 JWRTziTQe5h5lHw7vWbDZygpynE+ldkoPsbxZbYSMoJ0e4RyqGP4Y74hxdsearyveTOq hwpQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1751979586; x=1752584386; h=content-transfer-encoding:in-reply-to:autocrypt:content-language :references:cc:to:from:subject:user-agent:mime-version:date :message-id:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=jZYWymIsQHGwjFWNPAsuNjeBzWao41WeKhaQrQS7hLU=; b=FarHOcf7Bcsm+/wkEQAfNp/cjjuvfAY5m71OBgTiCspsoIFgDufJ1WM5NXCDLfqzRM IErjdrhCXTWJmK7FB55Vckz2Vc/PBTebems77B2z7XvPq9AM0HXUeOr0Fxkv62yBe8lS TbikEI0cPUwm4pS1eg9bYTRvYm8YUHYltIdQ6G+vKSThDAT8Cc0R6ERus2ardSZgSo1U IEpLIkDP44dPGjwsAzny3ueVF0thDDeNF4nVh+eH+U58qrBS2ZnRZgxoQOty+rop5GqC d2rtzc+09fV5SwHnXZ82OXV+E7DXi37SGbHuihbjsxtQxqpFbYJogP/ULFn/03hVVmMi 5NaQ== X-Gm-Message-State: AOJu0YyJsRRj0w3ljsIQFLFf0SDylkLl2Zzwkv3Ar5ZfShk3wF4U5uAv 1f6CVvY5wXXnlPjUvxRlUi1FR9xUuf1QX8beu+nJTmeet04xwy50DuDR+yAZCNB5NHsWnu9Q2Il xm+A= X-Gm-Gg: ASbGncv8Ms0EnjZ4p4/s3mZeBGror2kOBU+r7moLS641MznOSlapOL9HfbKiasdwpZw FZPcdSZf7PMNndNLktW4g43zCH7mz4YBCazMGdeGxbM3bUDvVJy3thw5ftnLuIEf51YXB36ROq6 /NdJpLjIr1eceT8nkUhfBM7IB2IVU95X2OpK3T6ZPVIHTv+00orgCtDulpCNv0Kgsh4Mb3kutv8 E8q9Mz/CkluB83UHY//MC9LEuwaPO0OUZBZf6yu9FPFMzg9FZ66GeARSwPLqsDKgPhqQV4+XLeD KxoFsl6y/rrWcJb5QVTLPU/kcywenKyV8Y7uzy1A0iZtMDlSYZDX/jVa9vTbR8mxb1rjIfbXkgA l54cX+OSeRGModU8N+zqFRHBX8cGZUbjztisRKh3kfssViQw= X-Google-Smtp-Source: AGHT+IEKoCdgL6ODxO25EcpTVzRVjjhek9TxmqaceIryclKRbO4rhxrwSFRVkB1wgKKsGlq4Lcw6BA== X-Received: by 2002:a05:6000:4912:b0:3a4:f7e6:284b with SMTP id ffacd0b85a97d-3b5dde845f8mr2346138f8f.10.1751979586333; Tue, 08 Jul 2025 05:59:46 -0700 (PDT) Message-ID: <434a0ea6-cbcc-4f0e-a144-9f4264ab528d@suse.com> Date: Tue, 8 Jul 2025 14:59:39 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: [PATCH 5/9] x86/mwait-idle: add Grand Ridge SoC support From: Jan Beulich To: "xen-devel@lists.xenproject.org" Cc: Andrew Cooper , =?UTF-8?Q?Roger_Pau_Monn=C3=A9?= References: <1df49875-99b8-4302-aed7-5a75dbdd85ca@suse.com> Content-Language: en-US Autocrypt: addr=jbeulich@suse.com; keydata= xsDiBFk3nEQRBADAEaSw6zC/EJkiwGPXbWtPxl2xCdSoeepS07jW8UgcHNurfHvUzogEq5xk hu507c3BarVjyWCJOylMNR98Yd8VqD9UfmX0Hb8/BrA+Hl6/DB/eqGptrf4BSRwcZQM32aZK 7Pj2XbGWIUrZrd70x1eAP9QE3P79Y2oLrsCgbZJfEwCgvz9JjGmQqQkRiTVzlZVCJYcyGGsD /0tbFCzD2h20ahe8rC1gbb3K3qk+LpBtvjBu1RY9drYk0NymiGbJWZgab6t1jM7sk2vuf0Py O9Hf9XBmK0uE9IgMaiCpc32XV9oASz6UJebwkX+zF2jG5I1BfnO9g7KlotcA/v5ClMjgo6Gl MDY4HxoSRu3i1cqqSDtVlt+AOVBJBACrZcnHAUSuCXBPy0jOlBhxPqRWv6ND4c9PH1xjQ3NP nxJuMBS8rnNg22uyfAgmBKNLpLgAGVRMZGaGoJObGf72s6TeIqKJo/LtggAS9qAUiuKVnygo 3wjfkS9A3DRO+SpU7JqWdsveeIQyeyEJ/8PTowmSQLakF+3fote9ybzd880fSmFuIEJldWxp Y2ggPGpiZXVsaWNoQHN1c2UuY29tPsJgBBMRAgAgBQJZN5xEAhsDBgsJCAcDAgQVAggDBBYC AwECHgECF4AACgkQoDSui/t3IH4J+wCfQ5jHdEjCRHj23O/5ttg9r9OIruwAn3103WUITZee e7Sbg12UgcQ5lv7SzsFNBFk3nEQQCACCuTjCjFOUdi5Nm244F+78kLghRcin/awv+IrTcIWF hUpSs1Y91iQQ7KItirz5uwCPlwejSJDQJLIS+QtJHaXDXeV6NI0Uef1hP20+y8qydDiVkv6l IreXjTb7DvksRgJNvCkWtYnlS3mYvQ9NzS9PhyALWbXnH6sIJd2O9lKS1Mrfq+y0IXCP10eS FFGg+Av3IQeFatkJAyju0PPthyTqxSI4lZYuJVPknzgaeuJv/2NccrPvmeDg6Coe7ZIeQ8Yj t0ARxu2xytAkkLCel1Lz1WLmwLstV30g80nkgZf/wr+/BXJW/oIvRlonUkxv+IbBM3dX2OV8 AmRv1ySWPTP7AAMFB/9PQK/VtlNUJvg8GXj9ootzrteGfVZVVT4XBJkfwBcpC/XcPzldjv+3 HYudvpdNK3lLujXeA5fLOH+Z/G9WBc5pFVSMocI71I8bT8lIAzreg0WvkWg5V2WZsUMlnDL9 mpwIGFhlbM3gfDMs7MPMu8YQRFVdUvtSpaAs8OFfGQ0ia3LGZcjA6Ik2+xcqscEJzNH+qh8V m5jjp28yZgaqTaRbg3M/+MTbMpicpZuqF4rnB0AQD12/3BNWDR6bmh+EkYSMcEIpQmBM51qM EKYTQGybRCjpnKHGOxG0rfFY1085mBDZCH5Kx0cl0HVJuQKC+dV2ZY5AqjcKwAxpE75MLFkr wkkEGBECAAkFAlk3nEQCGwwACgkQoDSui/t3IH7nnwCfcJWUDUFKdCsBH/E5d+0ZnMQi+G0A nAuWpQkjM1ASeQwSHEeAWPgskBQL In-Reply-To: <1df49875-99b8-4302-aed7-5a75dbdd85ca@suse.com> Content-Transfer-Encoding: quoted-printable X-ZohoMail-DKIM: pass (identity @suse.com) X-ZM-MESSAGEID: 1751979617081116600 Content-Type: text/plain; charset="utf-8" Add Intel Grand Ridge SoC C-states, which are C1, C1E, and C6S. The Grand Ridge SoC is built with modules, each module includes 4 cores (Crestmont microarchitecture). There is one L2 cache per module, shared between the 4 cores. There is no core C6 state, but there is C6S state, which has module scope: when all 4 cores request C6S, the entire module (4 cores + L2 cache) enters the low power state. Package C6 is not supported by Grand Ridge SoC. Signed-off-by: Artem Bityutskiy Signed-off-by: Rafael J. Wysocki Origin: git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git ac= 89d11b93cc Signed-off-by: Jan Beulich --- a/xen/arch/x86/cpu/mwait-idle.c +++ b/xen/arch/x86/cpu/mwait-idle.c @@ -928,6 +928,28 @@ static const struct cpuidle_state snr_cs {} }; =20 +static const struct cpuidle_state grr_cstates[] =3D { + { + .name =3D "C1", + .flags =3D MWAIT2flg(0x00), + .exit_latency =3D 1, + .target_residency =3D 1, + }, + { + .name =3D "C1E", + .flags =3D MWAIT2flg(0x01), + .exit_latency =3D 2, + .target_residency =3D 10, + }, + { + .name =3D "C6S", + .flags =3D MWAIT2flg(0x22) | CPUIDLE_FLAG_TLB_FLUSHED, + .exit_latency =3D 140, + .target_residency =3D 500, + }, + {} +}; + static void cf_check mwait_idle(void) { unsigned int cpu =3D smp_processor_id(); @@ -1172,6 +1194,11 @@ static const struct idle_cpu idle_cpu_sn .c1e_promotion =3D C1E_PROMOTION_DISABLE, }; =20 +static const struct idle_cpu idle_cpu_grr =3D { + .state_table =3D grr_cstates, + .c1e_promotion =3D C1E_PROMOTION_DISABLE, +}; + #define ICPU(model, cpu) \ { X86_VENDOR_INTEL, 6, INTEL_FAM6_ ## model, X86_FEATURE_ALWAYS, \ &idle_cpu_ ## cpu} @@ -1220,6 +1247,7 @@ static const struct x86_cpu_id intel_idl ICPU(ATOM_GOLDMONT_PLUS, bxt), ICPU(ATOM_GOLDMONT_D, dnv), ICPU(ATOM_TREMONT_D, snr), + ICPU(ATOM_CRESTMONT, grr), {} };