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 mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4B01FCA5FA1 for ; Tue, 29 Sep 2026 10:54:27 +0000 (UTC) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 04D8B41156; Tue, 29 Sep 2026 12:54:11 +0200 (CEST) Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) by mails.dpdk.org (Postfix) with ESMTP id 1D1C64279F for ; Tue, 29 Sep 2026 12:54:07 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1790679246; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=KKKedQNbLzFQY54pyB+WLWGMUa6NWbf2GWQHND1l7Ys=; b=hX62xoVAglLXSJIcwia5KdA36hhRojps5lSawDbBSFnPoTVRoz4xeDJ/4u+HUynMk8NLAC n/Kiozh/hTU3J2caBCKscYihz57UeXQsg1tYh9g0r12y0Kz1yCclrVUSp0acd+kZPpi9+G NXHzacpUxTBaC7BpLaiLxKsTWHjVrIE= Received: from mx-prod-mc-05.mail-002.prod.us-west-2.aws.redhat.com (ec2-54-186-198-63.us-west-2.compute.amazonaws.com [54.186.198.63]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-22-p2bnbkmyNlO82Xd8rwO83Q-1; Tue, 29 Sep 2026 06:54:05 -0400 X-MC-Unique: p2bnbkmyNlO82Xd8rwO83Q-1 X-Mimecast-MFC-AGG-ID: p2bnbkmyNlO82Xd8rwO83Q_1790679244 Received: from mx-prod-int-01.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-01.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.4]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mx-prod-mc-05.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id EB0B0195605B; Tue, 29 Sep 2026 10:54:03 +0000 (UTC) Received: from fedora.redhat.com (unknown [10.44.48.139]) by mx-prod-int-01.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP id 1A8B130000E4; Tue, 29 Sep 2026 10:54:00 +0000 (UTC) From: =?UTF-8?q?Eugenio=20P=C3=A9rez?= To: Maxime Coquelin Cc: mst@redhat.com, david.marchand@redhat.com, dev@dpdk.org, Yongji Xie , chenbox@nvidia.com, Bruce Richardson , Stephen Hemminger , jasowangio@gmail.com Subject: [PATCH v3 5/9] vhost: add ASID support to VDUSE IOTLB operations Date: Tue, 29 Sep 2026 12:53:35 +0200 Message-ID: <20260929105339.1554051-6-eperezma@redhat.com> In-Reply-To: <20260929105339.1554051-1-eperezma@redhat.com> References: <20260929105339.1554051-1-eperezma@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.4.1 on 10.30.177.4 X-Mimecast-Spam-Score: 0 X-Mimecast-MFC-PROC-ID: jQ-f7NWPvPxGmN1M-kGlQw2sMSU0cjV0ChA4HLZYv_M_1790679244 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org From: Maxime Coquelin Make use of the newly introduced address space ID when calling Vhost IOTLB API. Signed-off-by: Maxime Coquelin Signed-off-by: Eugenio Pérez --- lib/vhost/vduse.c | 39 +++++++++++++++++++++++++++++++++------ 1 file changed, 33 insertions(+), 6 deletions(-) diff --git a/lib/vhost/vduse.c b/lib/vhost/vduse.c index 8c031168bf77..2d3d8a536773 100644 --- a/lib/vhost/vduse.c +++ b/lib/vhost/vduse.c @@ -71,7 +71,7 @@ vduse_iotlb_remove_notify(uint64_t addr, uint64_t offset, uint64_t size) static int vduse_iotlb_miss(struct virtio_net *dev, int asid, uint64_t iova, uint8_t perm __rte_unused) { - struct vduse_iotlb_entry entry; + struct vduse_iotlb_entry_v2 entry = {}; uint64_t size, page_size; struct stat stat; void *mmap_addr; @@ -79,8 +79,13 @@ vduse_iotlb_miss(struct virtio_net *dev, int asid, uint64_t iova, uint8_t perm _ entry.start = iova; entry.last = iova + 1; + entry.asid = asid; - ret = ioctl(dev->vduse_dev_fd, VDUSE_IOTLB_GET_FD, &entry); + if (dev->vduse_api_ver < 1) { + ret = ioctl(dev->vduse_dev_fd, VDUSE_IOTLB_GET_FD, &entry); + } else { + ret = ioctl(dev->vduse_dev_fd, VDUSE_IOTLB_GET_FD2, &entry); + } if (ret < 0) { VHOST_CONFIG_LOG(dev->ifname, ERR, "Failed to get IOTLB entry for 0x%" PRIx64, iova); @@ -90,6 +95,7 @@ vduse_iotlb_miss(struct virtio_net *dev, int asid, uint64_t iova, uint8_t perm _ fd = ret; VHOST_CONFIG_LOG(dev->ifname, DEBUG, "New IOTLB entry:"); + VHOST_CONFIG_LOG(dev->ifname, DEBUG, "\tASID: %d", entry.asid); VHOST_CONFIG_LOG(dev->ifname, DEBUG, "\tIOVA: %" PRIx64 " - %" PRIx64, (uint64_t)entry.start, (uint64_t)entry.last); VHOST_CONFIG_LOG(dev->ifname, DEBUG, "\toffset: %" PRIx64, (uint64_t)entry.offset); @@ -458,10 +464,31 @@ vduse_events_handler(int fd, void *arg, int *close __rte_unused) resp.result = VDUSE_REQ_RESULT_OK; break; case VDUSE_UPDATE_IOTLB: - VHOST_CONFIG_LOG(dev->ifname, INFO, "\tIOVA range: %" PRIx64 " - %" PRIx64, - (uint64_t)req.iova.start, (uint64_t)req.iova.last); - vhost_user_iotlb_cache_remove(dev, 0, req.iova.start, - req.iova.last - req.iova.start + 1); + { + uint64_t start, last; + uint32_t asid; + + if (dev->vduse_api_ver < 1) { + start = req.iova.start; + last = req.iova.last; + asid = 0; + } else { + start = req.iova_v2.start; + last = req.iova_v2.last; + asid = req.iova_v2.asid; + } + + if (asid >= RTE_DIM(dev->iotlb)) { + VHOST_CONFIG_LOG(dev->ifname, ERR, + "Invalid ASID %u in IOTLB update", asid); + resp.result = VDUSE_REQ_RESULT_FAILED; + break; + } + + VHOST_CONFIG_LOG(dev->ifname, INFO, "\t(ASID %d) IOVA range: %" PRIx64 " - %" PRIx64, + asid, start, last); + vhost_user_iotlb_cache_remove(dev, asid, start, last - start + 1); + } resp.result = VDUSE_REQ_RESULT_OK; break; case VDUSE_SET_VQ_GROUP_ASID: -- 2.55.0