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X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 20 Apr 2022 14:14:36.9344 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 88c96bfa-04a9-456f-7eb4-08da22d81a03 X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=3dd8961f-e488-4e60-8e11-a82d994e183d;Ip=[165.204.84.17];Helo=[SATLEXMB04.amd.com] X-MS-Exchange-CrossTenant-AuthSource: CO1NAM11FT041.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: MN2PR12MB4014 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" During patch review, it was decided the SNP guest driver name should not be SEV-SNP specific, but should be generic for use with anything SEV. However, this feedback was missed and the driver name, and many of the driver functions and structures, are SEV-SNP name specific. Rename the driver to "sev-guest" (to match the misc device that is created) and update some of the function and structure names, too. While in the file, adjust the one pr_err() message to be a dev_err() message so that the message, if issued, uses the driver name. Signed-off-by: Tom Lendacky --- arch/x86/include/asm/sev.h | 2 +- arch/x86/kernel/sev.c | 10 +++---- drivers/virt/coco/sevguest/sevguest.c | 39 ++++++++++++++------------- 3 files changed, 27 insertions(+), 24 deletions(-) diff --git a/arch/x86/include/asm/sev.h b/arch/x86/include/asm/sev.h index 9c2d33f1cfee..6e3dda4f82b5 100644 --- a/arch/x86/include/asm/sev.h +++ b/arch/x86/include/asm/sev.h @@ -95,7 +95,7 @@ struct snp_req_data { unsigned int data_npages; }; =20 -struct snp_guest_platform_data { +struct sev_guest_platform_data { u64 secrets_gpa; }; =20 diff --git a/arch/x86/kernel/sev.c b/arch/x86/kernel/sev.c index f01f4550e2c6..2fa87a07ab30 100644 --- a/arch/x86/kernel/sev.c +++ b/arch/x86/kernel/sev.c @@ -2166,8 +2166,8 @@ int snp_issue_guest_request(u64 exit_code, struct snp= _req_data *input, unsigned } EXPORT_SYMBOL_GPL(snp_issue_guest_request); =20 -static struct platform_device guest_req_device =3D { - .name =3D "snp-guest", +static struct platform_device sev_guest_device =3D { + .name =3D "sev-guest", .id =3D -1, }; =20 @@ -2197,7 +2197,7 @@ static u64 get_secrets_page(void) =20 static int __init snp_init_platform_device(void) { - struct snp_guest_platform_data data; + struct sev_guest_platform_data data; u64 gpa; =20 if (!cc_platform_has(CC_ATTR_GUEST_SEV_SNP)) @@ -2208,10 +2208,10 @@ static int __init snp_init_platform_device(void) return -ENODEV; =20 data.secrets_gpa =3D gpa; - if (platform_device_add_data(&guest_req_device, &data, sizeof(data))) + if (platform_device_add_data(&sev_guest_device, &data, sizeof(data))) return -ENODEV; =20 - if (platform_device_register(&guest_req_device)) + if (platform_device_register(&sev_guest_device)) return -ENODEV; =20 pr_info("SNP guest platform device initialized.\n"); diff --git a/drivers/virt/coco/sevguest/sevguest.c b/drivers/virt/coco/sevg= uest/sevguest.c index aaa6134d1d40..f3b93bd92f2f 100644 --- a/drivers/virt/coco/sevguest/sevguest.c +++ b/drivers/virt/coco/sevguest/sevguest.c @@ -1,14 +1,12 @@ // SPDX-License-Identifier: GPL-2.0-only /* - * AMD Secure Encrypted Virtualization Nested Paging (SEV-SNP) guest reque= st interface + * AMD Secure Encrypted Virtualization (SEV) guest driver interface * * Copyright (C) 2021 Advanced Micro Devices, Inc. * * Author: Brijesh Singh */ =20 -#define pr_fmt(fmt) "SNP: GUEST: " fmt - #include #include #include @@ -574,7 +572,7 @@ static void free_shared_pages(void *buf, size_t sz) __free_pages(virt_to_page(buf), get_order(sz)); } =20 -static void *alloc_shared_pages(size_t sz) +static void *alloc_shared_pages(struct device *dev, size_t sz) { unsigned int npages =3D PAGE_ALIGN(sz) >> PAGE_SHIFT; struct page *page; @@ -586,7 +584,7 @@ static void *alloc_shared_pages(size_t sz) =20 ret =3D set_memory_decrypted((unsigned long)page_address(page), npages); if (ret) { - pr_err("failed to mark page shared, ret=3D%d\n", ret); + dev_err(dev, "failed to mark page shared, ret=3D%d\n", ret); __free_pages(page, get_order(sz)); return NULL; } @@ -627,10 +625,10 @@ static u8 *get_vmpck(int id, struct snp_secrets_page_= layout *layout, u32 **seqno return key; } =20 -static int __init snp_guest_probe(struct platform_device *pdev) +static int __init sev_guest_probe(struct platform_device *pdev) { struct snp_secrets_page_layout *layout; - struct snp_guest_platform_data *data; + struct sev_guest_platform_data *data; struct device *dev =3D &pdev->dev; struct snp_guest_dev *snp_dev; struct miscdevice *misc; @@ -639,7 +637,7 @@ static int __init snp_guest_probe(struct platform_devic= e *pdev) if (!dev->platform_data) return -ENODEV; =20 - data =3D (struct snp_guest_platform_data *)dev->platform_data; + data =3D (struct sev_guest_platform_data *)dev->platform_data; layout =3D (__force void *)ioremap_encrypted(data->secrets_gpa, PAGE_SIZE= ); if (!layout) return -ENODEV; @@ -667,15 +665,15 @@ static int __init snp_guest_probe(struct platform_dev= ice *pdev) snp_dev->layout =3D layout; =20 /* Allocate the shared page used for the request and response message. */ - snp_dev->request =3D alloc_shared_pages(sizeof(struct snp_guest_msg)); + snp_dev->request =3D alloc_shared_pages(dev, sizeof(struct snp_guest_msg)= ); if (!snp_dev->request) goto e_unmap; =20 - snp_dev->response =3D alloc_shared_pages(sizeof(struct snp_guest_msg)); + snp_dev->response =3D alloc_shared_pages(dev, sizeof(struct snp_guest_msg= )); if (!snp_dev->response) goto e_free_request; =20 - snp_dev->certs_data =3D alloc_shared_pages(SEV_FW_BLOB_MAX_SIZE); + snp_dev->certs_data =3D alloc_shared_pages(dev, SEV_FW_BLOB_MAX_SIZE); if (!snp_dev->certs_data) goto e_free_response; =20 @@ -698,7 +696,7 @@ static int __init snp_guest_probe(struct platform_devic= e *pdev) if (ret) goto e_free_cert_data; =20 - dev_info(dev, "Initialized SNP guest driver (using vmpck_id %d)\n", vmpck= _id); + dev_info(dev, "Initialized SEV guest driver (using vmpck_id %d)\n", vmpck= _id); return 0; =20 e_free_cert_data: @@ -712,7 +710,7 @@ static int __init snp_guest_probe(struct platform_devic= e *pdev) return ret; } =20 -static int __exit snp_guest_remove(struct platform_device *pdev) +static int __exit sev_guest_remove(struct platform_device *pdev) { struct snp_guest_dev *snp_dev =3D platform_get_drvdata(pdev); =20 @@ -725,16 +723,21 @@ static int __exit snp_guest_remove(struct platform_de= vice *pdev) return 0; } =20 -static struct platform_driver snp_guest_driver =3D { - .remove =3D __exit_p(snp_guest_remove), +/* + * This driver is a common SEV guest interface driver and meant to support + * any SEV guest API. As such, even though it has been introduced along wi= th + * the SEV-SNP support, it is named "sev-guest". + */ +static struct platform_driver sev_guest_driver =3D { + .remove =3D __exit_p(sev_guest_remove), .driver =3D { - .name =3D "snp-guest", + .name =3D "sev-guest", }, }; =20 -module_platform_driver_probe(snp_guest_driver, snp_guest_probe); +module_platform_driver_probe(sev_guest_driver, sev_guest_probe); =20 MODULE_AUTHOR("Brijesh Singh "); MODULE_LICENSE("GPL"); MODULE_VERSION("1.0.0"); -MODULE_DESCRIPTION("AMD SNP Guest Driver"); +MODULE_DESCRIPTION("AMD SEV Guest Driver"); --=20 2.34.1 From nobody Mon May 11 00:05:00 2026 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 BBE1CC433F5 for ; Wed, 20 Apr 2022 14:16:43 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1379529AbiDTOT0 (ORCPT ); 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Wed, 20 Apr 2022 09:14:40 -0500 From: Tom Lendacky To: , , CC: Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , Jonathan Corbet , Joerg Roedel , "Michael Roth" Subject: [PATCH 2/2] virt: sevguest: Rename the sevguest dir and files to sev-guest Date: Wed, 20 Apr 2022 09:14:14 -0500 Message-ID: <2f5c9cb16e3a67599c8e3170f6c72c8712c47d53.1650464054.git.thomas.lendacky@amd.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: References: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Originating-IP: [10.180.168.240] X-ClientProxiedBy: SATLEXMB03.amd.com (10.181.40.144) To SATLEXMB04.amd.com (10.181.40.145) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: afb62f22-10b8-49a3-dfa8-08da22d81d23 X-MS-TrafficTypeDiagnostic: BL0PR12MB2578:EE_ X-Microsoft-Antispam-PRVS: X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:165.204.84.17;CTRY:US;LANG:en;SCL:1;SRV:;IPV:CAL;SFV:NSPM;H:SATLEXMB04.amd.com;PTR:InfoDomainNonexistent;CAT:NONE;SFS:(13230001)(4636009)(46966006)(36840700001)(40470700004)(36756003)(8676002)(36860700001)(54906003)(26005)(186003)(316002)(356005)(16526019)(110136005)(5660300002)(82310400005)(81166007)(83380400001)(70206006)(508600001)(2906002)(6666004)(336012)(47076005)(4326008)(70586007)(7696005)(8936002)(2616005)(40460700003)(426003)(86362001)(36900700001);DIR:OUT;SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 20 Apr 2022 14:14:42.1642 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: afb62f22-10b8-49a3-dfa8-08da22d81d23 X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=3dd8961f-e488-4e60-8e11-a82d994e183d;Ip=[165.204.84.17];Helo=[SATLEXMB04.amd.com] X-MS-Exchange-CrossTenant-AuthSource: CO1NAM11FT057.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: BL0PR12MB2578 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Rename the drivers/virt/coco/sevguest directory and files to sev-guest so as to match the driver name. Signed-off-by: Tom Lendacky --- Documentation/virt/index.rst | 2 +- drivers/virt/Kconfig | 2 +- drivers/virt/Makefile | 2 +- drivers/virt/coco/{sevguest =3D> sev-guest}/Kconfig | 2 +- drivers/virt/coco/{sevguest =3D> sev-guest}/Makefile | 2 +- .../coco/{sevguest/sevguest.c =3D> sev-guest/sev-guest.c} | 8 ++++---- .../coco/{sevguest/sevguest.h =3D> sev-guest/sev-guest.h} | 0 7 files changed, 9 insertions(+), 9 deletions(-) rename drivers/virt/coco/{sevguest =3D> sev-guest}/Kconfig (87%) rename drivers/virt/coco/{sevguest =3D> sev-guest}/Makefile (50%) rename drivers/virt/coco/{sevguest/sevguest.c =3D> sev-guest/sev-guest.c} = (98%) rename drivers/virt/coco/{sevguest/sevguest.h =3D> sev-guest/sev-guest.h} = (100%) diff --git a/Documentation/virt/index.rst b/Documentation/virt/index.rst index 40ad0d20032e..492f0920b988 100644 --- a/Documentation/virt/index.rst +++ b/Documentation/virt/index.rst @@ -13,7 +13,7 @@ Linux Virtualization Support guest-halt-polling ne_overview acrn/index - coco/sevguest + coco/sev-guest =20 .. only:: html and subproject =20 diff --git a/drivers/virt/Kconfig b/drivers/virt/Kconfig index 7d3273cfab27..0c1bba7c5c66 100644 --- a/drivers/virt/Kconfig +++ b/drivers/virt/Kconfig @@ -48,6 +48,6 @@ source "drivers/virt/nitro_enclaves/Kconfig" =20 source "drivers/virt/acrn/Kconfig" =20 -source "drivers/virt/coco/sevguest/Kconfig" +source "drivers/virt/coco/sev-guest/Kconfig" =20 endif diff --git a/drivers/virt/Makefile b/drivers/virt/Makefile index 7b87a7ba1972..b2e6e864ebbe 100644 --- a/drivers/virt/Makefile +++ b/drivers/virt/Makefile @@ -9,4 +9,4 @@ obj-y +=3D vboxguest/ =20 obj-$(CONFIG_NITRO_ENCLAVES) +=3D nitro_enclaves/ obj-$(CONFIG_ACRN_HSM) +=3D acrn/ -obj-$(CONFIG_SEV_GUEST) +=3D coco/sevguest/ +obj-$(CONFIG_SEV_GUEST) +=3D coco/sev-guest/ diff --git a/drivers/virt/coco/sevguest/Kconfig b/drivers/virt/coco/sev-gue= st/Kconfig similarity index 87% rename from drivers/virt/coco/sevguest/Kconfig rename to drivers/virt/coco/sev-guest/Kconfig index 74ca1fe09437..f9db0799ae67 100644 --- a/drivers/virt/coco/sevguest/Kconfig +++ b/drivers/virt/coco/sev-guest/Kconfig @@ -11,4 +11,4 @@ config SEV_GUEST userspace interface to communicate with the PSP to request the attestation report and more. =20 - If you choose 'M' here, this module will be called sevguest. + If you choose 'M' here, this module will be called sev-guest. diff --git a/drivers/virt/coco/sevguest/Makefile b/drivers/virt/coco/sev-gu= est/Makefile similarity index 50% rename from drivers/virt/coco/sevguest/Makefile rename to drivers/virt/coco/sev-guest/Makefile index b1ffb2b4177b..63d67c27723a 100644 --- a/drivers/virt/coco/sevguest/Makefile +++ b/drivers/virt/coco/sev-guest/Makefile @@ -1,2 +1,2 @@ # SPDX-License-Identifier: GPL-2.0-only -obj-$(CONFIG_SEV_GUEST) +=3D sevguest.o +obj-$(CONFIG_SEV_GUEST) +=3D sev-guest.o diff --git a/drivers/virt/coco/sevguest/sevguest.c b/drivers/virt/coco/sev-= guest/sev-guest.c similarity index 98% rename from drivers/virt/coco/sevguest/sevguest.c rename to drivers/virt/coco/sev-guest/sev-guest.c index f3b93bd92f2f..1fd4a0583e09 100644 --- a/drivers/virt/coco/sevguest/sevguest.c +++ b/drivers/virt/coco/sev-guest/sev-guest.c @@ -25,7 +25,7 @@ #include #include =20 -#include "sevguest.h" +#include "sev-guest.h" =20 #define DEVICE_NAME "sev-guest" #define AAD_LEN 48 @@ -724,9 +724,9 @@ static int __exit sev_guest_remove(struct platform_devi= ce *pdev) } =20 /* - * This driver is a common SEV guest interface driver and meant to support - * any SEV guest API. As such, even though it has been introduced along wi= th - * the SEV-SNP support, it is named "sev-guest". + * This driver is meant to be a common SEV guest interface driver and to + * support any SEV guest API. As such, even though it has been introduced + * with the SEV-SNP support, it is named "sev-guest". */ static struct platform_driver sev_guest_driver =3D { .remove =3D __exit_p(sev_guest_remove), diff --git a/drivers/virt/coco/sevguest/sevguest.h b/drivers/virt/coco/sev-= guest/sev-guest.h similarity index 100% rename from drivers/virt/coco/sevguest/sevguest.h rename to drivers/virt/coco/sev-guest/sev-guest.h --=20 2.34.1