From patchwork Fri May 6 07:37:37 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alexey Kardashevskiy X-Patchwork-Id: 1627427 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=lists.ozlabs.org (client-ip=2404:9400:2:0:216:3eff:fee1:b9f1; helo=lists.ozlabs.org; envelope-from=linuxppc-dev-bounces+incoming=patchwork.ozlabs.org@lists.ozlabs.org; receiver=) Received: from lists.ozlabs.org (lists.ozlabs.org [IPv6:2404:9400:2:0:216:3eff:fee1:b9f1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) by bilbo.ozlabs.org (Postfix) with ESMTPS id 4Kvj8w6yqRz9sGP for ; Fri, 6 May 2022 17:38:08 +1000 (AEST) Received: from boromir.ozlabs.org (localhost [IPv6:::1]) by lists.ozlabs.org (Postfix) with ESMTP id 4Kvj8w0MbGz3cB1 for ; Fri, 6 May 2022 17:38:08 +1000 (AEST) X-Original-To: linuxppc-dev@lists.ozlabs.org Delivered-To: linuxppc-dev@lists.ozlabs.org Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=ozlabs.ru (client-ip=107.174.27.60; helo=ozlabs.ru; envelope-from=aik@ozlabs.ru; receiver=) Received: from ozlabs.ru (ozlabs.ru [107.174.27.60]) by lists.ozlabs.org (Postfix) with ESMTP id 4Kvj8g43pPz3bqw for ; Fri, 6 May 2022 17:37:54 +1000 (AEST) Received: from fstn1-p1.ozlabs.ibm.com. (localhost [IPv6:::1]) by ozlabs.ru (Postfix) with ESMTP id 1E6A280152; Fri, 6 May 2022 03:37:44 -0400 (EDT) From: Alexey Kardashevskiy To: linuxppc-dev@lists.ozlabs.org Subject: [PATCH kernel] KVM: PPC: Book3s: PR: Enable default TCE hypercalls Date: Fri, 6 May 2022 17:37:37 +1000 Message-Id: <20220506073737.3823347-1-aik@ozlabs.ru> X-Mailer: git-send-email 2.30.2 MIME-Version: 1.0 X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Alexey Kardashevskiy , kvm-ppc@vger.kernel.org Errors-To: linuxppc-dev-bounces+incoming=patchwork.ozlabs.org@lists.ozlabs.org Sender: "Linuxppc-dev" When KVM_CAP_PPC_ENABLE_HCALL was introduced, H_GET_TCE and H_PUT_TCE were already implemented and enabled by default; however H_GET_TCE was missed out on PR KVM (probably because the handler was in the real mode code at the time). This enables H_GET_TCE by default. While at this, this wraps the checks in ifdef CONFIG_SPAPR_TCE_IOMMU just like HV KVM. Signed-off-by: Alexey Kardashevskiy Reviewed-by: Fabiano Rosas --- arch/powerpc/kvm/book3s_pr_papr.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/arch/powerpc/kvm/book3s_pr_papr.c b/arch/powerpc/kvm/book3s_pr_papr.c index dc4f51ac84bc..a1f2978b2a86 100644 --- a/arch/powerpc/kvm/book3s_pr_papr.c +++ b/arch/powerpc/kvm/book3s_pr_papr.c @@ -433,9 +433,12 @@ int kvmppc_hcall_impl_pr(unsigned long cmd) case H_REMOVE: case H_PROTECT: case H_BULK_REMOVE: +#ifdef CONFIG_SPAPR_TCE_IOMMU + case H_GET_TCE: case H_PUT_TCE: case H_PUT_TCE_INDIRECT: case H_STUFF_TCE: +#endif case H_CEDE: case H_LOGICAL_CI_LOAD: case H_LOGICAL_CI_STORE: @@ -464,7 +467,10 @@ static unsigned int default_hcall_list[] = { H_REMOVE, H_PROTECT, H_BULK_REMOVE, +#ifdef CONFIG_SPAPR_TCE_IOMMU + H_GET_TCE, H_PUT_TCE, +#endif H_CEDE, H_SET_MODE, #ifdef CONFIG_KVM_XICS