From mboxrd@z Thu Jan 1 00:00:00 1970 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 1E1AFC77B73 for ; Mon, 5 Jun 2023 21:32:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231836AbjFEVcC (ORCPT ); Mon, 5 Jun 2023 17:32:02 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45542 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231358AbjFEVbv (ORCPT ); Mon, 5 Jun 2023 17:31:51 -0400 Received: from mail-wm1-x332.google.com (mail-wm1-x332.google.com [IPv6:2a00:1450:4864:20::332]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E6853C5 for ; Mon, 5 Jun 2023 14:31:49 -0700 (PDT) Received: by mail-wm1-x332.google.com with SMTP id 5b1f17b1804b1-3f7353993cbso17244805e9.0 for ; Mon, 05 Jun 2023 14:31:49 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1686000708; x=1688592708; h=content-transfer-encoding:in-reply-to:from:references:cc:to :content-language:subject:user-agent:mime-version:date:message-id :from:to:cc:subject:date:message-id:reply-to; bh=vsMxNf5Vwnvm2j+EraOyZ9qeS4I0RPX8I6SvaUZOdto=; b=HlPR1u+9slU6Kh0sKqpFxjLqAhj3HVgrM5rhkeVdQzg+ltKR7EjgTtrIsKCe3n9y93 pNyT45KPRtzDHaC4zX4ffuzdhyE0a5W37rBANoOQaFuCeblYnozvrtA2hlUw3PrwNzIf YhIxUIbFtyC92xac1lgdQ0zXVqUCaxOEsX72Tk+O3UsP9sNPUOGzzjVPB2bneZ+UiVob E2pK/G1qKpvsmB4CvO8TvDkP2B53bbi/4AN4dhjFZhnq7T7nOVtt68guUXGQqkvddmDH uYduFaoiEJbzE2y0+ltWXjSIR0gmkws4abvzQ4zzO8nDAIaHD48A3TUZnlMJWbsmoyEZ x5dw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1686000708; x=1688592708; h=content-transfer-encoding:in-reply-to:from:references:cc:to :content-language:subject:user-agent:mime-version:date:message-id :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=vsMxNf5Vwnvm2j+EraOyZ9qeS4I0RPX8I6SvaUZOdto=; b=Qo2LrGz1n/zKnb3d+qdOGBYQB49jcggbt3R81zw+jt74v9H6qcAkPQ0/gAa/dM2pum H2x4RBH0EPI5NnGmVDtbBh5rhNlb0yMAr8eYW0I0kaX8N7CYDC7voAtlrj3rLsVVKxgC SDJEGqZUhT7ThQPPVaYRkb1+OxC7EUCpNa4r/Yaxzhu4IPAj9jfVjkJAyJt400gwgKOz VVpZmM7y9T8l6bohrEaEsa+X8i84nHZOM3tzQh+fOXKukLDhaRNQ495TLXbyH2gmSAl+ 1wdDEB4FZSghqUNhbF5z7fIX0B0RQBej00b1k6iG2jWBTdurTZZx0OJEIU5r7tYEH2k6 oLyA== X-Gm-Message-State: AC+VfDx7LxWfdLKv3tZLg+9e8Mh11JIjdpHSelhPqxnxXbw0t8f9ONSt Yy4dXggJJfI9mYUkKSG2ksbFdg== X-Google-Smtp-Source: ACHHUZ7MIqGXI0X1CHiRRjTcLBKm1keweji4T/dx4MuwL38Bn/t+21v6YqBFecokhEPRTcSaX4cbgQ== X-Received: by 2002:a05:600c:1d98:b0:3f7:367a:38cb with SMTP id p24-20020a05600c1d9800b003f7367a38cbmr4859123wms.2.1686000708386; Mon, 05 Jun 2023 14:31:48 -0700 (PDT) Received: from [192.168.1.195] ([5.133.47.210]) by smtp.googlemail.com with ESMTPSA id j27-20020a05600c1c1b00b003f4283f5c1bsm398001wms.2.2023.06.05.14.31.46 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 05 Jun 2023 14:31:47 -0700 (PDT) Message-ID: <29c5ffd5-6300-4fa5-f391-fc0b7ac97831@linaro.org> Date: Mon, 5 Jun 2023 22:31:46 +0100 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.11.0 Subject: Re: [PATCH v13 02/24] gunyah: Common types and error codes for Gunyah hypercalls Content-Language: en-US To: Elliot Berman , Alex Elder , Prakruthi Deepak Heragu Cc: Murali Nalajala , Trilok Soni , Srivatsa Vaddagiri , Carl van Schaik , Dmitry Baryshkov , Bjorn Andersson , Konrad Dybcio , Arnd Bergmann , Greg Kroah-Hartman , Rob Herring , Krzysztof Kozlowski , Jonathan Corbet , Bagas Sanjaya , Will Deacon , Andy Gross , Catalin Marinas , Jassi Brar , linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org, linux-arm-kernel@lists.infradead.org References: <20230509204801.2824351-1-quic_eberman@quicinc.com> <20230509204801.2824351-3-quic_eberman@quicinc.com> From: Srinivas Kandagatla In-Reply-To: <20230509204801.2824351-3-quic_eberman@quicinc.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-doc@vger.kernel.org On 09/05/2023 21:47, Elliot Berman wrote: > Add architecture-independent standard error codes, types, and macros for > Gunyah hypercalls. > > Reviewed-by: Dmitry Baryshkov > Signed-off-by: Elliot Berman > --- lgtm, Reviewed-by: Srinivas Kandagatla --srini > include/linux/gunyah.h | 83 ++++++++++++++++++++++++++++++++++++++++++ > 1 file changed, 83 insertions(+) > create mode 100644 include/linux/gunyah.h > > diff --git a/include/linux/gunyah.h b/include/linux/gunyah.h > new file mode 100644 > index 000000000000..a4e8ec91961d > --- /dev/null > +++ b/include/linux/gunyah.h > @@ -0,0 +1,83 @@ > +/* SPDX-License-Identifier: GPL-2.0-only */ > +/* > + * Copyright (c) 2022-2023 Qualcomm Innovation Center, Inc. All rights reserved. > + */ > + > +#ifndef _LINUX_GUNYAH_H > +#define _LINUX_GUNYAH_H > + > +#include > +#include > + > +/******************************************************************************/ > +/* Common arch-independent definitions for Gunyah hypercalls */ > +#define GH_CAPID_INVAL U64_MAX > +#define GH_VMID_ROOT_VM 0xff > + > +enum gh_error { > + GH_ERROR_OK = 0, > + GH_ERROR_UNIMPLEMENTED = -1, > + GH_ERROR_RETRY = -2, > + > + GH_ERROR_ARG_INVAL = 1, > + GH_ERROR_ARG_SIZE = 2, > + GH_ERROR_ARG_ALIGN = 3, > + > + GH_ERROR_NOMEM = 10, > + > + GH_ERROR_ADDR_OVFL = 20, > + GH_ERROR_ADDR_UNFL = 21, > + GH_ERROR_ADDR_INVAL = 22, > + > + GH_ERROR_DENIED = 30, > + GH_ERROR_BUSY = 31, > + GH_ERROR_IDLE = 32, > + > + GH_ERROR_IRQ_BOUND = 40, > + GH_ERROR_IRQ_UNBOUND = 41, > + > + GH_ERROR_CSPACE_CAP_NULL = 50, > + GH_ERROR_CSPACE_CAP_REVOKED = 51, > + GH_ERROR_CSPACE_WRONG_OBJ_TYPE = 52, > + GH_ERROR_CSPACE_INSUF_RIGHTS = 53, > + GH_ERROR_CSPACE_FULL = 54, > + > + GH_ERROR_MSGQUEUE_EMPTY = 60, > + GH_ERROR_MSGQUEUE_FULL = 61, > +}; > + > +/** > + * gh_error_remap() - Remap Gunyah hypervisor errors into a Linux error code > + * @gh_error: Gunyah hypercall return value > + */ > +static inline int gh_error_remap(enum gh_error gh_error) > +{ > + switch (gh_error) { > + case GH_ERROR_OK: > + return 0; > + case GH_ERROR_NOMEM: > + return -ENOMEM; > + case GH_ERROR_DENIED: > + case GH_ERROR_CSPACE_CAP_NULL: > + case GH_ERROR_CSPACE_CAP_REVOKED: > + case GH_ERROR_CSPACE_WRONG_OBJ_TYPE: > + case GH_ERROR_CSPACE_INSUF_RIGHTS: > + case GH_ERROR_CSPACE_FULL: > + return -EACCES; > + case GH_ERROR_BUSY: > + case GH_ERROR_IDLE: > + return -EBUSY; > + case GH_ERROR_IRQ_BOUND: > + case GH_ERROR_IRQ_UNBOUND: > + case GH_ERROR_MSGQUEUE_FULL: > + case GH_ERROR_MSGQUEUE_EMPTY: > + return -EIO; > + case GH_ERROR_UNIMPLEMENTED: > + case GH_ERROR_RETRY: > + return -EOPNOTSUPP; > + default: > + return -EINVAL; > + } > +} > + > +#endif