From patchwork Wed Jul 6 06:27:56 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Nicolin Chen X-Patchwork-Id: 12907358 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 CD55ACCA47F for ; Wed, 6 Jul 2022 06:28:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230157AbiGFG2q (ORCPT ); Wed, 6 Jul 2022 02:28:46 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56606 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230105AbiGFG2a (ORCPT ); Wed, 6 Jul 2022 02:28:30 -0400 Received: from NAM10-MW2-obe.outbound.protection.outlook.com (mail-mw2nam10on2055.outbound.protection.outlook.com [40.107.94.55]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 22E5613CD6; Tue, 5 Jul 2022 23:28:28 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=hYRrJDp5UT4QoqUaWyS0KIAojMm2Qlmzo8j4TTi7i31HsDFpdJqGso0scHy8Cf+9FJZwZREgpH2alN8jx17IX7pBZ71LjhgINywD3dHYNV6/pS9j8JzYus0+spbTusr4o34I3gB/v429MBtWj4XjYJgBxbiX1HOsewZXfgrQ70XyBUPtfdfHrP9XZQMlue60BOrYkV9VR+wi0/ZUXZVzU7AbCQ1LvbOwqRzLP6M7Vn/irzw7VeDMQJv5mbvqDzs9rNQuEI1MCns+hN48ihodWd4GywaoT5+ao1LYkkFR/Lx4x5rdIjhu/nbBHTNhNpPJSsaONqT5ynLmFePbQyhvHg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=PThk+0QVHEB/PO1WVQi1jrYb+nJRbj/NWoH3jd783B0=; b=WE/+1ns8wktsiuUinvTpQGL3TPAcyxyM8kIyufCIjg31rKCnFfqLg1MmfZwYlKEk+LB2GQ+13fjCYB9xUgZRPeDoXPiFGIT3ZI4S8pOZ4bmYE9AoH0vHXqlNQIVQXZC47JgzmRVV0vqF5PkdpQeAFHIWb17T4T3AO4qOmEUW4n5zpIs53xp3OciopLs1OJqbzHvi709teuHDVIyKNm0ghfCzH39JNj/+PQNC0yi+QZpPzgmkzGbJHApvRgMBd7Pd0gIYu33d1UTnU9lgtVL5l4bIh3c/BIACnt6QpydfRLIob5wTMxApSWqthfYdfMFyvQFB7cCYrZLlt0/NP3Q5ZA== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass (sender ip is 12.22.5.238) smtp.rcpttodomain=linux.ibm.com smtp.mailfrom=nvidia.com; dmarc=pass (p=reject sp=reject pct=100) action=none header.from=nvidia.com; dkim=none (message not signed); arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=Nvidia.com; s=selector2; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=PThk+0QVHEB/PO1WVQi1jrYb+nJRbj/NWoH3jd783B0=; b=oSO31SdCQp2Zn9CZo8byRIcYnBmDEubI2uYl+ohSoyhMztWoVnJwCHQGx/TxDEmWfFdBgRkeqitngmqtp2o9w5Cqb3xRUYO0xCZFIABqpv+kqc3kWASPbq3hG4XhezLZdud+IoNzFVLAZ/9QYAUqoxS61tEWTFsiV1YHeGgc4CpMLqxPgVj8da9hYzSd5fLJtBa/F9IG3MHDJKzNjUgmSiLETkXv5BdJRB0Jvou8dTPwyjd5yYyJTvCh+5HOVawYas+ozFuaxdGaL+rLvWPpSPpJDfdsszZVzlnEiuWyEePLjIhbjE6dQfOEzFotPeWs8qW4Fa2gLxndfb1O2yrqYA== Received: from MWHPR14CA0051.namprd14.prod.outlook.com (2603:10b6:300:81::13) by BN8PR12MB3426.namprd12.prod.outlook.com (2603:10b6:408:4a::14) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.5395.14; Wed, 6 Jul 2022 06:28:26 +0000 Received: from CO1NAM11FT065.eop-nam11.prod.protection.outlook.com (2603:10b6:300:81:cafe::7e) by MWHPR14CA0051.outlook.office365.com (2603:10b6:300:81::13) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.5417.15 via Frontend Transport; Wed, 6 Jul 2022 06:28:26 +0000 X-MS-Exchange-Authentication-Results: spf=pass (sender IP is 12.22.5.238) smtp.mailfrom=nvidia.com; dkim=none (message not signed) header.d=none;dmarc=pass action=none header.from=nvidia.com; Received-SPF: Pass (protection.outlook.com: domain of nvidia.com designates 12.22.5.238 as permitted sender) receiver=protection.outlook.com; client-ip=12.22.5.238; helo=mail.nvidia.com; pr=C Received: from mail.nvidia.com (12.22.5.238) by CO1NAM11FT065.mail.protection.outlook.com (10.13.174.62) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384) id 15.20.5417.15 via Frontend Transport; Wed, 6 Jul 2022 06:28:25 +0000 Received: from rnnvmail203.nvidia.com (10.129.68.9) by DRHQMAIL105.nvidia.com (10.27.9.14) with Microsoft SMTP Server (TLS) id 15.0.1497.32; Wed, 6 Jul 2022 06:28:25 +0000 Received: from rnnvmail201.nvidia.com (10.129.68.8) by rnnvmail203.nvidia.com (10.129.68.9) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.986.26; Tue, 5 Jul 2022 23:28:24 -0700 Received: from Asurada-Nvidia.nvidia.com (10.127.8.9) by mail.nvidia.com (10.129.68.8) with Microsoft SMTP Server id 15.2.986.26 via Frontend Transport; Tue, 5 Jul 2022 23:28:22 -0700 From: Nicolin Chen To: , , , , , , , , , , , , , , , , , , , , , , , , , , , CC: , , , , , , , Subject: [RFT][PATCH v2 6/9] vfio/ccw: Change pa_pfn list to pa_iova list Date: Tue, 5 Jul 2022 23:27:56 -0700 Message-ID: <20220706062759.24946-7-nicolinc@nvidia.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20220706062759.24946-1-nicolinc@nvidia.com> References: <20220706062759.24946-1-nicolinc@nvidia.com> MIME-Version: 1.0 X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: a72f2307-660d-4dc7-10c1-08da5f18bbbe X-MS-TrafficTypeDiagnostic: BN8PR12MB3426:EE_ 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:12.22.5.238;CTRY:US;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:mail.nvidia.com;PTR:InfoNoRecords;CAT:NONE;SFS:(13230016)(4636009)(136003)(396003)(346002)(39860400002)(376002)(40470700004)(46966006)(36840700001)(4326008)(8676002)(921005)(81166007)(2616005)(186003)(82310400005)(1076003)(82740400003)(356005)(7696005)(83380400001)(2906002)(36756003)(47076005)(426003)(336012)(70206006)(70586007)(7406005)(7416002)(40480700001)(30864003)(40460700003)(26005)(54906003)(110136005)(478600001)(6666004)(41300700001)(36860700001)(5660300002)(86362001)(316002)(8936002)(36900700001)(2101003)(83996005);DIR:OUT;SFP:1101; X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 06 Jul 2022 06:28:25.8433 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: a72f2307-660d-4dc7-10c1-08da5f18bbbe X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a;Ip=[12.22.5.238];Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: CO1NAM11FT065.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: BN8PR12MB3426 Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org The vfio_ccw_cp code maintains both iova and its PFN list because the vfio_pin/unpin_pages API wanted pfn list. Since vfio_pin/unpin_pages() now accept "iova", change to maintain only pa_iova list and rename all "pfn_array" strings to "page_array", so as to simplify the code. Signed-off-by: Nicolin Chen Reviewed-by: Jason Gunthorpe Reviewed-by: Eric Farman --- drivers/s390/cio/vfio_ccw_cp.c | 135 ++++++++++++++++----------------- 1 file changed, 64 insertions(+), 71 deletions(-) diff --git a/drivers/s390/cio/vfio_ccw_cp.c b/drivers/s390/cio/vfio_ccw_cp.c index a739262f988d..3854c3d573f5 100644 --- a/drivers/s390/cio/vfio_ccw_cp.c +++ b/drivers/s390/cio/vfio_ccw_cp.c @@ -18,11 +18,9 @@ #include "vfio_ccw_cp.h" #include "vfio_ccw_private.h" -struct pfn_array { - /* Starting guest physical I/O address. */ - unsigned long pa_iova; - /* Array that stores PFNs of the pages need to pin. */ - unsigned long *pa_iova_pfn; +struct page_array { + /* Array that stores pages need to pin. */ + dma_addr_t *pa_iova; /* Array that receives PFNs of the pages pinned. */ unsigned long *pa_pfn; /* Number of pages pinned from @pa_iova. */ @@ -37,53 +35,50 @@ struct ccwchain { /* Count of the valid ccws in chain. */ int ch_len; /* Pinned PAGEs for the original data. */ - struct pfn_array *ch_pa; + struct page_array *ch_pa; }; /* - * pfn_array_alloc() - alloc memory for PFNs - * @pa: pfn_array on which to perform the operation + * page_array_alloc() - alloc memory for page array + * @pa: page_array on which to perform the operation * @iova: target guest physical address * @len: number of bytes that should be pinned from @iova * - * Attempt to allocate memory for PFNs. + * Attempt to allocate memory for page array. * - * Usage of pfn_array: - * We expect (pa_nr == 0) and (pa_iova_pfn == NULL), any field in + * Usage of page_array: + * We expect (pa_nr == 0) and (pa_iova == NULL), any field in * this structure will be filled in by this function. * * Returns: - * 0 if PFNs are allocated - * -EINVAL if pa->pa_nr is not initially zero, or pa->pa_iova_pfn is not NULL + * 0 if page array is allocated + * -EINVAL if pa->pa_nr is not initially zero, or pa->pa_iova is not NULL * -ENOMEM if alloc failed */ -static int pfn_array_alloc(struct pfn_array *pa, u64 iova, unsigned int len) +static int page_array_alloc(struct page_array *pa, u64 iova, unsigned int len) { int i; - if (pa->pa_nr || pa->pa_iova_pfn) + if (pa->pa_nr || pa->pa_iova) return -EINVAL; - pa->pa_iova = iova; - pa->pa_nr = ((iova & ~PAGE_MASK) + len + (PAGE_SIZE - 1)) >> PAGE_SHIFT; if (!pa->pa_nr) return -EINVAL; - pa->pa_iova_pfn = kcalloc(pa->pa_nr, - sizeof(*pa->pa_iova_pfn) + - sizeof(*pa->pa_pfn), - GFP_KERNEL); - if (unlikely(!pa->pa_iova_pfn)) { + pa->pa_iova = kcalloc(pa->pa_nr, + sizeof(*pa->pa_iova) + sizeof(*pa->pa_pfn), + GFP_KERNEL); + if (unlikely(!pa->pa_iova)) { pa->pa_nr = 0; return -ENOMEM; } - pa->pa_pfn = pa->pa_iova_pfn + pa->pa_nr; + pa->pa_pfn = (unsigned long *)&pa->pa_iova[pa->pa_nr]; - pa->pa_iova_pfn[0] = pa->pa_iova >> PAGE_SHIFT; + pa->pa_iova[0] = iova; pa->pa_pfn[0] = -1ULL; for (i = 1; i < pa->pa_nr; i++) { - pa->pa_iova_pfn[i] = pa->pa_iova_pfn[i - 1] + 1; + pa->pa_iova[i] = pa->pa_iova[i - 1] + PAGE_SIZE; pa->pa_pfn[i] = -1ULL; } @@ -91,30 +86,30 @@ static int pfn_array_alloc(struct pfn_array *pa, u64 iova, unsigned int len) } /* - * pfn_array_unpin() - Unpin user pages in memory - * @pa: pfn_array on which to perform the operation + * page_array_unpin() - Unpin user pages in memory + * @pa: page_array on which to perform the operation * @vdev: the vfio device to perform the operation * @pa_nr: number of user pages to unpin * * Only unpin if any pages were pinned to begin with, i.e. pa_nr > 0, * otherwise only clear pa->pa_nr */ -static void pfn_array_unpin(struct pfn_array *pa, - struct vfio_device *vdev, int pa_nr) +static void page_array_unpin(struct page_array *pa, + struct vfio_device *vdev, int pa_nr) { int unpinned = 0, npage = 1; while (unpinned < pa_nr) { - unsigned long *first = &pa->pa_iova_pfn[unpinned]; - unsigned long *last = &first[npage]; + dma_addr_t *first = &pa->pa_iova[unpinned]; + dma_addr_t *last = &first[npage]; if (unpinned + npage < pa_nr && - *first + npage == *last) { + *first + npage * PAGE_SIZE == *last) { npage++; continue; } - vfio_unpin_pages(vdev, *first << PAGE_SHIFT, npage); + vfio_unpin_pages(vdev, *first, npage); unpinned += npage; npage = 1; } @@ -123,30 +118,30 @@ static void pfn_array_unpin(struct pfn_array *pa, } /* - * pfn_array_pin() - Pin user pages in memory - * @pa: pfn_array on which to perform the operation + * page_array_pin() - Pin user pages in memory + * @pa: page_array on which to perform the operation * @mdev: the mediated device to perform pin operations * * Returns number of pages pinned upon success. * If the pin request partially succeeds, or fails completely, * all pages are left unpinned and a negative error value is returned. */ -static int pfn_array_pin(struct pfn_array *pa, struct vfio_device *vdev) +static int page_array_pin(struct page_array *pa, struct vfio_device *vdev) { int pinned = 0, npage = 1; int ret = 0; while (pinned < pa->pa_nr) { - unsigned long *first = &pa->pa_iova_pfn[pinned]; - unsigned long *last = &first[npage]; + dma_addr_t *first = &pa->pa_iova[pinned]; + dma_addr_t *last = &first[npage]; if (pinned + npage < pa->pa_nr && - *first + npage == *last) { + *first + npage * PAGE_SIZE == *last) { npage++; continue; } - ret = vfio_pin_pages(vdev, *first << PAGE_SHIFT, npage, + ret = vfio_pin_pages(vdev, *first, npage, IOMMU_READ | IOMMU_WRITE, &pa->pa_pfn[pinned]); if (ret < 0) { @@ -163,32 +158,30 @@ static int pfn_array_pin(struct pfn_array *pa, struct vfio_device *vdev) return ret; err_out: - pfn_array_unpin(pa, vdev, pinned); + page_array_unpin(pa, vdev, pinned); return ret; } /* Unpin the pages before releasing the memory. */ -static void pfn_array_unpin_free(struct pfn_array *pa, struct vfio_device *vdev) +static void page_array_unpin_free(struct page_array *pa, struct vfio_device *vdev) { - pfn_array_unpin(pa, vdev, pa->pa_nr); - kfree(pa->pa_iova_pfn); + page_array_unpin(pa, vdev, pa->pa_nr); + kfree(pa->pa_iova); } -static bool pfn_array_iova_pinned(struct pfn_array *pa, unsigned long iova) +static bool page_array_iova_pinned(struct page_array *pa, unsigned long iova) { - unsigned long iova_pfn = iova >> PAGE_SHIFT; int i; for (i = 0; i < pa->pa_nr; i++) - if (pa->pa_iova_pfn[i] == iova_pfn) + if (pa->pa_iova[i] == iova) return true; return false; } -/* Create the list of IDAL words for a pfn_array. */ -static inline void pfn_array_idal_create_words( - struct pfn_array *pa, - unsigned long *idaws) +/* Create the list of IDAL words for a page_array. */ +static inline void page_array_idal_create_words(struct page_array *pa, + unsigned long *idaws) { int i; @@ -204,7 +197,7 @@ static inline void pfn_array_idal_create_words( idaws[i] = pa->pa_pfn[i] << PAGE_SHIFT; /* Adjust the first IDAW, since it may not start on a page boundary */ - idaws[0] += pa->pa_iova & (PAGE_SIZE - 1); + idaws[0] += pa->pa_iova[0] & (PAGE_SIZE - 1); } static void convert_ccw0_to_ccw1(struct ccw1 *source, unsigned long len) @@ -236,18 +229,18 @@ static void convert_ccw0_to_ccw1(struct ccw1 *source, unsigned long len) static long copy_from_iova(struct vfio_device *vdev, void *to, u64 iova, unsigned long n) { - struct pfn_array pa = {0}; + struct page_array pa = {0}; u64 from; int i, ret; unsigned long l, m; - ret = pfn_array_alloc(&pa, iova, n); + ret = page_array_alloc(&pa, iova, n); if (ret < 0) return ret; - ret = pfn_array_pin(&pa, vdev); + ret = page_array_pin(&pa, vdev); if (ret < 0) { - pfn_array_unpin_free(&pa, vdev); + page_array_unpin_free(&pa, vdev); return ret; } @@ -268,7 +261,7 @@ static long copy_from_iova(struct vfio_device *vdev, void *to, u64 iova, break; } - pfn_array_unpin_free(&pa, vdev); + page_array_unpin_free(&pa, vdev); return l; } @@ -371,7 +364,7 @@ static struct ccwchain *ccwchain_alloc(struct channel_program *cp, int len) chain->ch_ccw = (struct ccw1 *)data; data = (u8 *)(chain->ch_ccw) + sizeof(*chain->ch_ccw) * len; - chain->ch_pa = (struct pfn_array *)data; + chain->ch_pa = (struct page_array *)data; chain->ch_len = len; @@ -555,7 +548,7 @@ static int ccwchain_fetch_direct(struct ccwchain *chain, struct vfio_device *vdev = &container_of(cp, struct vfio_ccw_private, cp)->vdev; struct ccw1 *ccw; - struct pfn_array *pa; + struct page_array *pa; u64 iova; unsigned long *idaws; int ret; @@ -589,13 +582,13 @@ static int ccwchain_fetch_direct(struct ccwchain *chain, } /* - * Allocate an array of pfn's for pages to pin/translate. + * Allocate an array of pages to pin/translate. * The number of pages is actually the count of the idaws * required for the data transfer, since we only only support * 4K IDAWs today. */ pa = chain->ch_pa + idx; - ret = pfn_array_alloc(pa, iova, bytes); + ret = page_array_alloc(pa, iova, bytes); if (ret < 0) goto out_free_idaws; @@ -606,21 +599,21 @@ static int ccwchain_fetch_direct(struct ccwchain *chain, goto out_unpin; /* - * Copy guest IDAWs into pfn_array, in case the memory they + * Copy guest IDAWs into page_array, in case the memory they * occupy is not contiguous. */ for (i = 0; i < idaw_nr; i++) - pa->pa_iova_pfn[i] = idaws[i] >> PAGE_SHIFT; + pa->pa_iova[i] = idaws[i]; } else { /* - * No action is required here; the iova addresses in pfn_array - * were initialized sequentially in pfn_array_alloc() beginning + * No action is required here; the iova addresses in page_array + * were initialized sequentially in page_array_alloc() beginning * with the contents of ccw->cda. */ } if (ccw_does_data_transfer(ccw)) { - ret = pfn_array_pin(pa, vdev); + ret = page_array_pin(pa, vdev); if (ret < 0) goto out_unpin; } else { @@ -630,13 +623,13 @@ static int ccwchain_fetch_direct(struct ccwchain *chain, ccw->cda = (__u32) virt_to_phys(idaws); ccw->flags |= CCW_FLAG_IDA; - /* Populate the IDAL with pinned/translated addresses from pfn */ - pfn_array_idal_create_words(pa, idaws); + /* Populate the IDAL with pinned/translated addresses from page */ + page_array_idal_create_words(pa, idaws); return 0; out_unpin: - pfn_array_unpin_free(pa, vdev); + page_array_unpin_free(pa, vdev); out_free_idaws: kfree(idaws); out_init: @@ -742,7 +735,7 @@ void cp_free(struct channel_program *cp) cp->initialized = false; list_for_each_entry_safe(chain, temp, &cp->ccwchain_list, next) { for (i = 0; i < chain->ch_len; i++) { - pfn_array_unpin_free(chain->ch_pa + i, vdev); + page_array_unpin_free(chain->ch_pa + i, vdev); ccwchain_cda_free(chain, i); } ccwchain_free(chain); @@ -918,7 +911,7 @@ bool cp_iova_pinned(struct channel_program *cp, u64 iova) list_for_each_entry(chain, &cp->ccwchain_list, next) { for (i = 0; i < chain->ch_len; i++) - if (pfn_array_iova_pinned(chain->ch_pa + i, iova)) + if (page_array_iova_pinned(chain->ch_pa + i, iova)) return true; }