From patchwork Wed Sep 28 19:56:22 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Elliot Berman X-Patchwork-Id: 12992854 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 76857C6FA94 for ; Wed, 28 Sep 2022 19:57:52 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234471AbiI1T5u (ORCPT ); Wed, 28 Sep 2022 15:57:50 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45204 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234459AbiI1T5m (ORCPT ); Wed, 28 Sep 2022 15:57:42 -0400 Received: from mx0a-0031df01.pphosted.com (mx0a-0031df01.pphosted.com [205.220.168.131]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 326E65509D; Wed, 28 Sep 2022 12:57:40 -0700 (PDT) Received: from pps.filterd (m0279862.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.17.1.5/8.17.1.5) with ESMTP id 28SJSpUo027441; Wed, 28 Sep 2022 19:57:27 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-transfer-encoding : content-type; s=qcppdkim1; bh=hT8omuFurzv/CTps/1Sv9pKKfuVW13cQYKJD7CV8nPQ=; b=HZesoL9iBakcnPeGIEciCPY3+lURdVLBSeuBW6/4TXKTHnF3V+8NBgiY1WmPyWvHA3hT wxQ6RKbqXbA+BAt078iV7+UrphczN/aXD+19sqfSxW2YwqxDAnanTs8hD8QjYkxWLdek RkIF0eOwmV7Y99QZ5euFnto+qDdAPnhsJyuYwm9ZwkjJNhjA9qs2uBMPfl5F3jSGIPwE CSkOXIzpAdqDOY8ZH/iRnaMrANDhaQ8IVtWs9+2WqjMIEy3UJMv7mokDVbook5M1to/K kGZOowA9kzlgnN6imo0s50LMR1JZP2TZMswAZkdZczbvpodoc87Dw7X+cKG8FbJCwtvm VA== Received: from nasanppmta01.qualcomm.com (i-global254.qualcomm.com [199.106.103.254]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 3jvpuv98vn-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 28 Sep 2022 19:57:27 +0000 Received: from nasanex01b.na.qualcomm.com (corens_vlan604_snip.qualcomm.com [10.53.140.1]) by NASANPPMTA01.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTPS id 28SJvQTr022169 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 28 Sep 2022 19:57:26 GMT Received: from hu-eberman-lv.qualcomm.com (10.49.16.6) by nasanex01b.na.qualcomm.com (10.46.141.250) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.986.29; Wed, 28 Sep 2022 12:57:25 -0700 From: Elliot Berman To: Bjorn Andersson , Arnd Bergmann CC: Elliot Berman , Murali Nalajala , Trilok Soni , "Srivatsa Vaddagiri" , Carl van Schaik , Andy Gross , Dmitry Baryshkov , Jassi Brar , , Mark Rutland , Lorenzo Pieralisi , Sudeep Holla , Marc Zyngier , Rob Herring , Krzysztof Kozlowski , Jonathan Corbet , "Will Deacon" , Catalin Marinas , "Greg Kroah-Hartman" , , , , Subject: [PATCH v4 03/14] gunyah: Common types and error codes for Gunyah hypercalls Date: Wed, 28 Sep 2022 12:56:22 -0700 Message-ID: <20220928195633.2348848-4-quic_eberman@quicinc.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220928195633.2348848-1-quic_eberman@quicinc.com> References: <20220928195633.2348848-1-quic_eberman@quicinc.com> MIME-Version: 1.0 X-Originating-IP: [10.49.16.6] X-ClientProxiedBy: nalasex01b.na.qualcomm.com (10.47.209.197) To nasanex01b.na.qualcomm.com (10.46.141.250) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-GUID: 2rzRnaorIfSriGmy5WyaQYhZfkvV0DW0 X-Proofpoint-ORIG-GUID: 2rzRnaorIfSriGmy5WyaQYhZfkvV0DW0 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.895,Hydra:6.0.528,FMLib:17.11.122.1 definitions=2022-09-28_09,2022-09-28_01,2022-06-22_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 lowpriorityscore=0 impostorscore=0 phishscore=0 mlxlogscore=891 spamscore=0 suspectscore=0 malwarescore=0 clxscore=1015 priorityscore=1501 mlxscore=0 adultscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2209130000 definitions=main-2209280119 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org Add architecture-independent standard error codes, types, and macros for Gunyah hypercalls. Signed-off-by: Elliot Berman --- MAINTAINERS | 1 + include/asm-generic/gunyah.h | 74 ++++++++++++++++++++++++++++++++++++ 2 files changed, 75 insertions(+) create mode 100644 include/asm-generic/gunyah.h diff --git a/MAINTAINERS b/MAINTAINERS index 5b6b6f25c604..31bda0197f9a 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -8887,6 +8887,7 @@ L: linux-arm-msm@vger.kernel.org S: Supported F: Documentation/devicetree/bindings/firmware/gunyah-hypervisor.yaml F: Documentation/virt/gunyah/ +F: include/asm-generic/gunyah.h HABANALABS PCI DRIVER M: Oded Gabbay diff --git a/include/asm-generic/gunyah.h b/include/asm-generic/gunyah.h new file mode 100644 index 000000000000..64a02dd3b5ad --- /dev/null +++ b/include/asm-generic/gunyah.h @@ -0,0 +1,74 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Copyright (c) 2022 Qualcomm Innovation Center, Inc. All rights reserved. + */ + +#ifndef _ASM_GUNYAH_H +#define _ASM_GUNYAH_H + +#include +#include + +/* Common Gunyah macros */ +#define GH_CAPID_INVAL U64_MAX +#define GH_VMID_ROOT_VM 0xff + +#define GH_ERROR_OK 0 + +#define GH_ERROR_UNIMPLEMENTED -1 +#define GH_ERROR_RETRY -2 + +#define GH_ERROR_ARG_INVAL 1 +#define GH_ERROR_ARG_SIZE 2 +#define GH_ERROR_ARG_ALIGN 3 + +#define GH_ERROR_NOMEM 10 + +#define GH_ERROR_ADDR_OVFL 20 +#define GH_ERROR_ADDR_UNFL 21 +#define GH_ERROR_ADDR_INVAL 22 + +#define GH_ERROR_DENIED 30 +#define GH_ERROR_BUSY 31 +#define GH_ERROR_IDLE 32 + +#define GH_ERROR_IRQ_BOUND 40 +#define GH_ERROR_IRQ_UNBOUND 41 + +#define GH_ERROR_CSPACE_CAP_NULL 50 +#define GH_ERROR_CSPACE_CAP_REVOKED 51 +#define GH_ERROR_CSPACE_WRONG_OBJ_TYPE 52 +#define GH_ERROR_CSPACE_INSUF_RIGHTS 53 +#define GH_ERROR_CSPACE_FULL 54 + +#define GH_ERROR_MSGQUEUE_EMPTY 60 +#define GH_ERROR_MSGQUEUE_FULL 61 + +static inline int gh_remap_error(int 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 -EPERM; + default: + return -EINVAL; + } +} + +#endif