From patchwork Wed Jul 1 18:28:53 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Alex_Benn=C3=A9e?= X-Patchwork-Id: 6705621 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id D9C9BC05AC for ; Wed, 1 Jul 2015 18:32:21 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 1A45220707 for ; Wed, 1 Jul 2015 18:32:21 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id DCF5920719 for ; Wed, 1 Jul 2015 18:32:19 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1ZAMlZ-0001mY-FP; Wed, 01 Jul 2015 18:29:49 +0000 Received: from mail-wi0-f182.google.com ([209.85.212.182]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1ZAMlQ-0001Lm-Tj for linux-arm-kernel@lists.infradead.org; Wed, 01 Jul 2015 18:29:41 +0000 Received: by widjy10 with SMTP id jy10so65205909wid.1 for ; Wed, 01 Jul 2015 11:29:19 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-type:content-transfer-encoding; bh=p6N+/ferfkYrS/Xhd+QMX0t/wel77zIc8pmC/Lpa/rE=; b=JLW7Q6DMwDxYX14OzglODNSEvgPoBhy+u4BpgQsdQCfS4/H0MRKnAXdaT/7zz4p9Cp 2gA4cV9RzpKyew0qXm/DocgkZF+qotZK2Qr8L87tBlgjLBEbqLPqVehvEYBB6AwLs3rZ /FtBbgaCDczkqD8K3VV2fbVtgdrIQTYQxgpoPkvpt4zjPt/wwG11O1n5FDI5PZMnBQmC CXvCWJBQlp7710zLLF9QI7scxSsdxTK5JfXWF2uHrMpPcg+NVaxJi1D7sn25dm7y7UW/ D7fltB9437IbDLuCrvJ27ZNCxVv9s7SgLOxJjZq88KoaUy2XQPZIOZDWCCtOXlAtetia 0Zbg== X-Gm-Message-State: ALoCoQnqDmDk5GJM03y9rxg7vXZkrVEADG1+s77CbjsqShl0mB4DoxpPRbfpYmJl69ahgVSGk/6O X-Received: by 10.180.77.193 with SMTP id u1mr46303735wiw.50.1435775359350; Wed, 01 Jul 2015 11:29:19 -0700 (PDT) Received: from zen.linaro.local ([81.128.185.34]) by mx.google.com with ESMTPSA id dt1sm4299271wib.7.2015.07.01.11.29.16 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 01 Jul 2015 11:29:17 -0700 (PDT) Received: from zen.linaroharston (localhost [127.0.0.1]) by zen.linaro.local (Postfix) with ESMTP id 8A8A83E0796; Wed, 1 Jul 2015 19:29:15 +0100 (BST) From: =?UTF-8?q?Alex=20Benn=C3=A9e?= To: kvm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, kvmarm@lists.cs.columbia.edu, christoffer.dall@linaro.org, marc.zyngier@arm.com, peter.maydell@linaro.org, agraf@suse.de, drjones@redhat.com, pbonzini@redhat.com, zhichao.huang@linaro.org Subject: [PATCH v7 01/11] KVM: add comments for kvm_debug_exit_arch struct Date: Wed, 1 Jul 2015 19:28:53 +0100 Message-Id: <1435775343-20034-2-git-send-email-alex.bennee@linaro.org> X-Mailer: git-send-email 2.4.5 In-Reply-To: <1435775343-20034-1-git-send-email-alex.bennee@linaro.org> References: <1435775343-20034-1-git-send-email-alex.bennee@linaro.org> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20150701_112941_113202_9801F854 X-CRM114-Status: GOOD ( 15.14 ) X-Spam-Score: -2.6 (--) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Jonathan Corbet , Gleb Natapov , jan.kiszka@siemens.com, "open list:DOCUMENTATION" , open list , "open list:ABI/API" , dahi@linux.vnet.ibm.com, r65777@freescale.com, bp@suse.de, =?UTF-8?q?Alex=20Benn=C3=A9e?= Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-4.8 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Bring into line with the comments for the other structures and their KVM_EXIT_* cases. Also update api.txt to reflect use in kvm_run documentation. Signed-off-by: Alex Bennée Reviewed-by: David Hildenbrand Reviewed-by: Andrew Jones Acked-by: Christoffer Dall --- v2 - add comments for other exit types v3 - s/commentary/comments/ - add rb tags - update api.txt kvm_run to include KVM_EXIT_DEBUG desc v4 - sp fixes - add a-b --- Documentation/virtual/kvm/api.txt | 4 +++- include/uapi/linux/kvm.h | 3 +++ 2 files changed, 6 insertions(+), 1 deletion(-) diff --git a/Documentation/virtual/kvm/api.txt b/Documentation/virtual/kvm/api.txt index 9fa2bf8..c34c32d 100644 --- a/Documentation/virtual/kvm/api.txt +++ b/Documentation/virtual/kvm/api.txt @@ -3070,11 +3070,13 @@ data_offset describes where the data is located (KVM_EXIT_IO_OUT) or where kvm expects application code to place the data for the next KVM_RUN invocation (KVM_EXIT_IO_IN). Data format is a packed array. + /* KVM_EXIT_DEBUG */ struct { struct kvm_debug_exit_arch arch; } debug; -Unused. +If the exit_reason is KVM_EXIT_DEBUG, then a vcpu is processing a debug event +for which architecture specific information is returned. /* KVM_EXIT_MMIO */ struct { diff --git a/include/uapi/linux/kvm.h b/include/uapi/linux/kvm.h index 4b60056..70ac641 100644 --- a/include/uapi/linux/kvm.h +++ b/include/uapi/linux/kvm.h @@ -237,6 +237,7 @@ struct kvm_run { __u32 count; __u64 data_offset; /* relative to kvm_run start */ } io; + /* KVM_EXIT_DEBUG */ struct { struct kvm_debug_exit_arch arch; } debug; @@ -285,6 +286,7 @@ struct kvm_run { __u32 data; __u8 is_write; } dcr; + /* KVM_EXIT_INTERNAL_ERROR */ struct { __u32 suberror; /* Available with KVM_CAP_INTERNAL_ERROR_DATA: */ @@ -295,6 +297,7 @@ struct kvm_run { struct { __u64 gprs[32]; } osi; + /* KVM_EXIT_PAPR_HCALL */ struct { __u64 nr; __u64 ret;