From patchwork Thu Sep 26 18:37:56 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: David Woodhouse X-Patchwork-Id: 830952 Received: from desiato.infradead.org (desiato.infradead.org [90.155.92.199]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 7A26517799F; Thu, 26 Sep 2024 18:46:07 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=90.155.92.199 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1727376369; cv=none; b=sKddUw079x6m9v6MVvGdXTTdD7PSX5UH0La0VBq/icx2pZAgUFuzGv37t/avmYtVWU7bzWr9axDa1li7vdjnzxeXodP4nmZ1VQm8KMZ+icXRUkHaI0/IgzumXCcpF1KOx0AsBUOwHKSgTN+onnMJ/qPMQsXQ0KCPMBinKuGRcNM= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1727376369; c=relaxed/simple; bh=kNIiu/VGVVSXJHMhNRUYXDx0/xfjhCmTJ/wWM3aUss4=; h=From:To:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=i92+wiebkHhNpdP4SUfusOyfjrOp+hswIjgr0QyoeM3AVo2R/SqlaIeezvNbrxQi+iPjwraQrBBKOxLGM/FuD1xN7ePN0PR6tKgjbG0JpRuj0DRL9d250AMIQdG5P2pxUX3Rc3y+JLDdRSQ63FlZ2x3xxxayw3+wgN35pwHMbyg= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=infradead.org; spf=none smtp.mailfrom=desiato.srs.infradead.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b=hz5dbVxO; arc=none smtp.client-ip=90.155.92.199 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=infradead.org Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=desiato.srs.infradead.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="hz5dbVxO" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=desiato.20200630; h=Sender:Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:To:From:Reply-To: Cc:Content-Type:Content-ID:Content-Description; bh=ctwMLevmIAKOpvCbWdML8uH4RmlQ/xq/n4gVO6FnA9U=; b=hz5dbVxOes3jbLw9NmQd5zraMB EX4paZrHuFldQEI0sZ7Ts+PdcTd7bKVu1fEOzeBP1hQW470t+R8+maLnU6byOFPKU+KSR71xMiOg9 2m3jsPqa1UTIGin5IyaSzAJwWlPhm8j1WKLneClvOC+nXdcUykMWUCBm2wUOPe+/gZz0FOHfarvLp ZxLYpf7MQwAR7WdCMSSWB/GwIOofR9UaXl49ff0qzVi+NuEiZiQgs1qrmubhNdhld/VA/EqMrzoRP c0l2vL0Aqzyc6tMLj1qHUuCWtN8h7M8Bcggcq6nbe5SN+OyqLr49ZAm7SZ9lcu4MyA9Da7zph7voz ns3EQbpA==; Received: from [2001:8b0:10b:1::ebe] (helo=i7.infradead.org) by desiato.infradead.org with esmtpsa (Exim 4.98 #2 (Red Hat Linux)) id 1sttUs-00000002EaV-0sLa; Thu, 26 Sep 2024 18:45:50 +0000 Received: from dwoodhou by i7.infradead.org with local (Exim 4.97.1 #2 (Red Hat Linux)) id 1sttUq-00000003YbL-3Ony; Thu, 26 Sep 2024 19:45:48 +0100 From: David Woodhouse To: Paolo Bonzini , Jonathan Corbet , Marc Zyngier , Oliver Upton , James Morse , Suzuki K Poulose , Zenghui Yu , Catalin Marinas , Will Deacon , Mark Rutland , Lorenzo Pieralisi , "Rafael J. Wysocki" , Pavel Machek , Len Brown , Shuah Khan , David Woodhouse , kvm@vger.kernel.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, kvmarm@lists.linux.dev, linux-pm@vger.kernel.org, linux-kselftest@vger.kernel.org, Francesco Lavra , Miguel Luis Subject: [PATCH v5 1/5] firmware/psci: Add definitions for PSCI v1.3 specification Date: Thu, 26 Sep 2024 19:37:56 +0100 Message-ID: <20240926184546.833516-2-dwmw2@infradead.org> X-Mailer: git-send-email 2.44.0 In-Reply-To: <20240926184546.833516-1-dwmw2@infradead.org> References: <20240926184546.833516-1-dwmw2@infradead.org> Precedence: bulk X-Mailing-List: linux-pm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Sender: David Woodhouse X-SRS-Rewrite: SMTP reverse-path rewritten from by desiato.infradead.org. See http://www.infradead.org/rpr.html From: David Woodhouse The v1.3 PSCI spec (https://developer.arm.com/documentation/den0022) adds the SYSTEM_OFF2 function. Add definitions for it and its hibernation type parameter. Signed-off-by: David Woodhouse --- include/uapi/linux/psci.h | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/include/uapi/linux/psci.h b/include/uapi/linux/psci.h index 42a40ad3fb62..f9a015ebe221 100644 --- a/include/uapi/linux/psci.h +++ b/include/uapi/linux/psci.h @@ -59,6 +59,7 @@ #define PSCI_1_1_FN_SYSTEM_RESET2 PSCI_0_2_FN(18) #define PSCI_1_1_FN_MEM_PROTECT PSCI_0_2_FN(19) #define PSCI_1_1_FN_MEM_PROTECT_CHECK_RANGE PSCI_0_2_FN(20) +#define PSCI_1_3_FN_SYSTEM_OFF2 PSCI_0_2_FN(21) #define PSCI_1_0_FN64_CPU_DEFAULT_SUSPEND PSCI_0_2_FN64(12) #define PSCI_1_0_FN64_NODE_HW_STATE PSCI_0_2_FN64(13) @@ -68,6 +69,7 @@ #define PSCI_1_1_FN64_SYSTEM_RESET2 PSCI_0_2_FN64(18) #define PSCI_1_1_FN64_MEM_PROTECT_CHECK_RANGE PSCI_0_2_FN64(20) +#define PSCI_1_3_FN64_SYSTEM_OFF2 PSCI_0_2_FN64(21) /* PSCI v0.2 power state encoding for CPU_SUSPEND function */ #define PSCI_0_2_POWER_STATE_ID_MASK 0xffff @@ -100,6 +102,9 @@ #define PSCI_1_1_RESET_TYPE_SYSTEM_WARM_RESET 0 #define PSCI_1_1_RESET_TYPE_VENDOR_START 0x80000000U +/* PSCI v1.3 hibernate type for SYSTEM_OFF2 */ +#define PSCI_1_3_HIBERNATE_TYPE_OFF 0 + /* PSCI version decoding (independent of PSCI version) */ #define PSCI_VERSION_MAJOR_SHIFT 16 #define PSCI_VERSION_MINOR_MASK \ From patchwork Thu Sep 26 18:37:58 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: David Woodhouse X-Patchwork-Id: 830951 Received: from casper.infradead.org (casper.infradead.org [90.155.50.34]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id AC6A017BECD; Thu, 26 Sep 2024 18:46:07 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=90.155.50.34 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1727376369; cv=none; b=m9jq9ffKOiWp4ZZMjqantkHKRaLcWS3Yl5GYqAM8KGsHr1bnE28x0qXPx4hDIhPujMT9e3D4jmuxXBK/htHw5NnFvyH/s5RwSR3r465NmMuha0DLnbdKa5YRPWiN18jYqSETyQn5TyXfzkBoGK110kR1c3MVmuneoUyiE+Uk7NM= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1727376369; c=relaxed/simple; bh=LX+diJ7M2E4ujM5KwD7j5MZK13pg812LqbEv4+Py5+k=; h=From:To:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=aYMIrw+Lshb70Qfaxli4tk3ivNv0cIKHbdbZ71ySSamMtT7SH02B3k6XC7Vlyl+u9BRaN3Qf/LriiZYE8c63SoWj3lEohSS/ibBgG8J+ogFRlJMwqeb6DxDsKYcg24PGXQydw9vubaOcxYvm4n4E40wpspi76HzcXIfw4gA+BBw= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=infradead.org; spf=none smtp.mailfrom=casper.srs.infradead.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b=j/3Pzpez; arc=none smtp.client-ip=90.155.50.34 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=infradead.org Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=casper.srs.infradead.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="j/3Pzpez" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=Sender:Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:To:From:Reply-To: Cc:Content-Type:Content-ID:Content-Description; bh=fzYnC4u4lNGhcwCgM7TOwvzsrVSzF8ITtilKodkz3e8=; b=j/3PzpezeRmihjXkNTbbwCiHzL RhJX75tWpppEMEGuop3VDWZiIC0Qd8uxyqp7vcq+st9rQvkZ++FWOXnNszfUKqM1luvs32cz2dQNX PyJTyGWZ/LvG92VAFnP8T3MMkriz+iSkULkyCyl2wO8B7fHWQsMiF3KWc4X6Wvu86Nc05E42FPwV0 LiIx+K5klsGLS4fczdLeV1ai47lZB+pRr1fStKJ086/CO0YmD7m97fwHyye0oF2iyaBJTO+P24Ui8 Y42vkjjzk9YSjP4QlfLxOcYJV6t98Jpy1w4MzIceMnPjHat2s/8jUKMdh+t9yZr6a7zJt582az+EP ow2TjdAQ==; Received: from [2001:8b0:10b:1::ebe] (helo=i7.infradead.org) by casper.infradead.org with esmtpsa (Exim 4.98 #2 (Red Hat Linux)) id 1sttUq-00000007NA6-2HA6; Thu, 26 Sep 2024 18:45:49 +0000 Received: from dwoodhou by i7.infradead.org with local (Exim 4.97.1 #2 (Red Hat Linux)) id 1sttUq-00000003YbU-3f0M; Thu, 26 Sep 2024 19:45:48 +0100 From: David Woodhouse To: Paolo Bonzini , Jonathan Corbet , Marc Zyngier , Oliver Upton , James Morse , Suzuki K Poulose , Zenghui Yu , Catalin Marinas , Will Deacon , Mark Rutland , Lorenzo Pieralisi , "Rafael J. Wysocki" , Pavel Machek , Len Brown , Shuah Khan , David Woodhouse , kvm@vger.kernel.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, kvmarm@lists.linux.dev, linux-pm@vger.kernel.org, linux-kselftest@vger.kernel.org, Francesco Lavra , Miguel Luis Subject: [PATCH v5 3/5] KVM: arm64: Add support for PSCI v1.2 and v1.3 Date: Thu, 26 Sep 2024 19:37:58 +0100 Message-ID: <20240926184546.833516-4-dwmw2@infradead.org> X-Mailer: git-send-email 2.44.0 In-Reply-To: <20240926184546.833516-1-dwmw2@infradead.org> References: <20240926184546.833516-1-dwmw2@infradead.org> Precedence: bulk X-Mailing-List: linux-pm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Sender: David Woodhouse X-SRS-Rewrite: SMTP reverse-path rewritten from by casper.infradead.org. See http://www.infradead.org/rpr.html From: David Woodhouse Signed-off-by: David Woodhouse --- arch/arm64/kvm/hypercalls.c | 2 ++ arch/arm64/kvm/psci.c | 6 +++++- include/kvm/arm_psci.h | 4 +++- 3 files changed, 10 insertions(+), 2 deletions(-) diff --git a/arch/arm64/kvm/hypercalls.c b/arch/arm64/kvm/hypercalls.c index 5763d979d8ca..9c6267ca2b82 100644 --- a/arch/arm64/kvm/hypercalls.c +++ b/arch/arm64/kvm/hypercalls.c @@ -575,6 +575,8 @@ int kvm_arm_set_fw_reg(struct kvm_vcpu *vcpu, const struct kvm_one_reg *reg) case KVM_ARM_PSCI_0_2: case KVM_ARM_PSCI_1_0: case KVM_ARM_PSCI_1_1: + case KVM_ARM_PSCI_1_2: + case KVM_ARM_PSCI_1_3: if (!wants_02) return -EINVAL; vcpu->kvm->arch.psci_version = val; diff --git a/arch/arm64/kvm/psci.c b/arch/arm64/kvm/psci.c index fd0f82464f7d..5177dda5a411 100644 --- a/arch/arm64/kvm/psci.c +++ b/arch/arm64/kvm/psci.c @@ -328,7 +328,7 @@ static int kvm_psci_1_x_call(struct kvm_vcpu *vcpu, u32 minor) switch(psci_fn) { case PSCI_0_2_FN_PSCI_VERSION: - val = minor == 0 ? KVM_ARM_PSCI_1_0 : KVM_ARM_PSCI_1_1; + val = PSCI_VERSION(1, minor); break; case PSCI_1_0_FN_PSCI_FEATURES: arg = smccc_get_arg1(vcpu); @@ -486,6 +486,10 @@ int kvm_psci_call(struct kvm_vcpu *vcpu) } switch (version) { + case KVM_ARM_PSCI_1_3: + return kvm_psci_1_x_call(vcpu, 3); + case KVM_ARM_PSCI_1_2: + return kvm_psci_1_x_call(vcpu, 2); case KVM_ARM_PSCI_1_1: return kvm_psci_1_x_call(vcpu, 1); case KVM_ARM_PSCI_1_0: diff --git a/include/kvm/arm_psci.h b/include/kvm/arm_psci.h index e8fb624013d1..cbaec804eb83 100644 --- a/include/kvm/arm_psci.h +++ b/include/kvm/arm_psci.h @@ -14,8 +14,10 @@ #define KVM_ARM_PSCI_0_2 PSCI_VERSION(0, 2) #define KVM_ARM_PSCI_1_0 PSCI_VERSION(1, 0) #define KVM_ARM_PSCI_1_1 PSCI_VERSION(1, 1) +#define KVM_ARM_PSCI_1_2 PSCI_VERSION(1, 2) +#define KVM_ARM_PSCI_1_3 PSCI_VERSION(1, 3) -#define KVM_ARM_PSCI_LATEST KVM_ARM_PSCI_1_1 +#define KVM_ARM_PSCI_LATEST KVM_ARM_PSCI_1_3 static inline int kvm_psci_version(struct kvm_vcpu *vcpu) { From patchwork Thu Sep 26 18:38:00 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: David Woodhouse X-Patchwork-Id: 830953 Received: from casper.infradead.org (casper.infradead.org [90.155.50.34]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 81A4F1D5ABC; Thu, 26 Sep 2024 18:46:05 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=90.155.50.34 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1727376367; cv=none; b=NL4+n145l0ETkiZMuFlD0Sua1oDkXyjP95H0Jo1SGhhwsMoqKlL4bIBXAcQRHWdkxydYXEXoIPaMFV/0BIEZzUu5Bbg54wXp5vJAxqTrym4DnMG4YQb5SYWREfItest0SCyJ4T57VavnvvMmVNHmofUoNOxLGp4uFznOXsw+bho= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1727376367; c=relaxed/simple; bh=+dCD6AZPxHSBa4BNwNlX6ikA85sfYkJhBtLZ/HQ4UUE=; h=From:To:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=LCqM5hpQi5SV0/NLDspcW50vsIyEZS7+pTMkMtcWwrTrOjV5n+Zqk/w0tBQtVVC4H27IYP+s0nw0ZWFbde3/H/oy4biT1/DjSDLGFhfCkNDFBu0Y4jla0lv4DzAm8rgft4hJm4oxKGQG85tmWjRaOHSNzs2KsXzFgPWbOdEb5Aw= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=infradead.org; spf=none smtp.mailfrom=casper.srs.infradead.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b=nEHxsSel; arc=none smtp.client-ip=90.155.50.34 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=infradead.org Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=casper.srs.infradead.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="nEHxsSel" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=Sender:Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:To:From:Reply-To: Cc:Content-Type:Content-ID:Content-Description; bh=t5+pyUN1sWxxhbIk0LBuAt0+sAfCDv06OwTbegq7gnw=; b=nEHxsSelvEuHOj/+u+QP04x/rg ZMwVJxdXDlmfvNpVkwJG9JFHbfTQFgFJbOtleuud8XJGM6EiYnd8GDqv0UXTQXljM5wqHghTX8kQ6 WVZQw9FYrIqS6fe6uCNDZJrHngoeH6knJ9vDjB4Mjv8TPaVIkTT2nTXqNA16YosJIScRwuzW0RSZF ysj3OBkUwg+11dX8CqTbBn3b1KxvwnZW4hBgzFrykxfeX1sFZQfjk8Fq7iUUwT27/oScJyu32cJw7 s9+2wA6Lin0bJTl3YV7cwRqHz7pVGhIaYCY3kZPN1K95IlNqjF9nIhcI4olCtIiBcKDT47YHzOElU dbLMEEdA==; Received: from [2001:8b0:10b:1::ebe] (helo=i7.infradead.org) by casper.infradead.org with esmtpsa (Exim 4.98 #2 (Red Hat Linux)) id 1sttUq-00000007NA9-2Vg4; Thu, 26 Sep 2024 18:45:49 +0000 Received: from dwoodhou by i7.infradead.org with local (Exim 4.97.1 #2 (Red Hat Linux)) id 1sttUq-00000003Ybj-40qP; Thu, 26 Sep 2024 19:45:48 +0100 From: David Woodhouse To: Paolo Bonzini , Jonathan Corbet , Marc Zyngier , Oliver Upton , James Morse , Suzuki K Poulose , Zenghui Yu , Catalin Marinas , Will Deacon , Mark Rutland , Lorenzo Pieralisi , "Rafael J. Wysocki" , Pavel Machek , Len Brown , Shuah Khan , David Woodhouse , kvm@vger.kernel.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, kvmarm@lists.linux.dev, linux-pm@vger.kernel.org, linux-kselftest@vger.kernel.org, Francesco Lavra , Miguel Luis Subject: [PATCH v5 5/5] KVM: arm64: nvhe: Pass through PSCI v1.3 SYSTEM_OFF2 call Date: Thu, 26 Sep 2024 19:38:00 +0100 Message-ID: <20240926184546.833516-6-dwmw2@infradead.org> X-Mailer: git-send-email 2.44.0 In-Reply-To: <20240926184546.833516-1-dwmw2@infradead.org> References: <20240926184546.833516-1-dwmw2@infradead.org> Precedence: bulk X-Mailing-List: linux-pm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Sender: David Woodhouse X-SRS-Rewrite: SMTP reverse-path rewritten from by casper.infradead.org. See http://www.infradead.org/rpr.html From: David Woodhouse Pass through the SYSTEM_OFF2 function for hibernation, just like SYSTEM_OFF. Signed-off-by: David Woodhouse --- arch/arm64/kvm/hyp/nvhe/psci-relay.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/arm64/kvm/hyp/nvhe/psci-relay.c b/arch/arm64/kvm/hyp/nvhe/psci-relay.c index dfe8fe0f7eaf..9c2ce1e0e99a 100644 --- a/arch/arm64/kvm/hyp/nvhe/psci-relay.c +++ b/arch/arm64/kvm/hyp/nvhe/psci-relay.c @@ -265,6 +265,8 @@ static unsigned long psci_1_0_handler(u64 func_id, struct kvm_cpu_context *host_ case PSCI_1_0_FN_PSCI_FEATURES: case PSCI_1_0_FN_SET_SUSPEND_MODE: case PSCI_1_1_FN64_SYSTEM_RESET2: + case PSCI_1_3_FN_SYSTEM_OFF2: + case PSCI_1_3_FN64_SYSTEM_OFF2: return psci_forward(host_ctxt); case PSCI_1_0_FN64_SYSTEM_SUSPEND: return psci_system_suspend(func_id, host_ctxt);