From nobody Mon Sep 28 01:12:53 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass(p=quarantine dis=none) header.from=mihalicyn.com ARC-Seal: i=1; a=rsa-sha256; t=1785745900; cv=none; d=zohomail.com; s=zohoarc; b=YLzR+2qZpHHTd3mHqYPnsLT4OF38X7lA7wYwAuMvbLCHy5jzO1X7GUasqw1pIrapiA1wC0fOsBWCMKpBNXrd/o8H91Egjd2jYGEyjtrxnsMgRUXb7fUUBO2hAo5pp9H83GX8EJD94SI9MA4beqbct+ZH2Xs0BoZ6hL1iEbyEWLA= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1785745900; h=Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:Subject:To:To:Message-Id:Reply-To; bh=L5Jr/hIRWPgDaNd50pToA0whxhUrAjNm+RZd5ccvBpY=; b=F8rQyqSjf1vgWrBEn94R52+0337LfIJ2RvpDJaEnPCAlbIfZra50jAbSqOdOHYUhRmZzjBbDL8tlmQqRmYZX1S9/3kGl0/AcddE/sWQlpRiwn3H18okh6kpCvp5O8qpBYz2JsuXps9GqzQRmuK1n58vay70pOsRF6kH0abSgyN4= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass header.from= (p=quarantine dis=none) Return-Path: Received: from lists1p.gnu.org (lists1p.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1785745900091183.23313985318578; Mon, 3 Aug 2026 01:31:40 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists1p.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1wqo4V-0007xQ-Nb; Mon, 03 Aug 2026 04:30:55 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists1p.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1wqo4T-0007w9-At for qemu-devel@nongnu.org; Mon, 03 Aug 2026 04:30:53 -0400 Received: from mail-wm1-x32a.google.com ([2a00:1450:4864:20::32a]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1wqo4R-0005sH-O4 for qemu-devel@nongnu.org; Mon, 03 Aug 2026 04:30:53 -0400 Received: by mail-wm1-x32a.google.com with SMTP id 5b1f17b1804b1-4953e04ef16so18698905e9.2 for ; Mon, 03 Aug 2026 01:30:51 -0700 (PDT) Received: from alex-laptop.lan (p200300cf574a7200803110ea947f174a.dip0.t-ipconnect.de. [2003:cf:574a:7200:8031:10ea:947f:174a]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-49807bb45ebsm152286045e9.4.2026.08.03.01.30.48 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 03 Aug 2026 01:30:49 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=mihalicyn.com; s=mihalicyn; t=1785745850; x=1786350650; darn=nongnu.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to:content-type; bh=L5Jr/hIRWPgDaNd50pToA0whxhUrAjNm+RZd5ccvBpY=; b=NO0P6eNoEATSB4tX0drgdys4p4t15XWAadA8tomOnG1rejmKMu82zjCbi8A5PZcCIN eNAcp/97pnD3CSHd5y4DsSikEfLeepa9MzsHXL+IB9my5UtN5QLjWcDZ8c7ilf+KsffJ KSMk8ZTrXU/8n1e61L7E0tsJ8TtCwKhWDbh/4= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1785745850; x=1786350650; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-gg:x-gm-message-state:from :to:cc:subject:date:message-id:reply-to:content-type; bh=L5Jr/hIRWPgDaNd50pToA0whxhUrAjNm+RZd5ccvBpY=; b=LAEWsuOHgLfK7911NVnX6N7vwUEd+CaukR4L3fOzPqRvNx68oF6JGDNVWoR7RenW1q ebVshxiNADtyS3MNxjyfMUu2Zn3rghqKu4tNBeUyRIZawpzE9oYf3ZwidI/YVUpgDuUS TS5TTaX0TlZ6INOef/zxy2A+CA7CPvEXTUgw9PYIlBf3Y7h4JsMYLprSIpyiGNObNV2w BtN/Ufx6x6WGT5llWEIlL5dW5Pl75er2PUvnNAnGDcoerK+Ak8S+pY22zynpAueC1qGZ T1NlNepSdZfxO4I7icGpQgJncc21d8l/XXiRvzKzCpQSQb9yyX7caa2HWe6X5KbQI3f8 T6BA== X-Gm-Message-State: AOJu0Yy4V7RK5noAZtDauWP9J2zdKT3/nFbiD1A0b3YBNbcLZ/4KCeJo p+czn0XsKjpseINEW0Hp3oSS6P2PVz0JdmW2pblmodJa9aihy+Tyx4dg9NwTvLIfUwAYftqCDZz odLN4 X-Gm-Gg: AR+sD11m/FOcyqGHGCYcCeB8uHuTLv0ajmwOPYLla9HbBrW67iDmnoDEO/BFI01cZAX BhYhPB645bs3gaWGQ679vG77cLvOfk/gRQekd6ivqpyWtdWDnJINcpw2L2oqo1Zj165t+cEPFnJ 4bJQYxpa0NQZ2ThdtQyeNrszqXBgokGswame2Jxi1a6VpO6EsMwxfJhah20YERbCXD5DDV2ZE/b 5T1UX9HUp5RvBjZ1UKu3HDPi3oA6/vNsCB/sTWWKxtSCpjjKeaBrw7f0S9brJbZEavam7pYvPqb zhvqLxHBIsgCktavRoUc27gjMwZQgROgBMre1FzKkf5WkmtMwPnNCwalCjf6cfK0lTw4XReYOoK 66tN+ihQTw4iUx6JSXJ7Or+uUk23W3wz/L/VpT3DgsJjEGKA21R9GRh0EWqht65cHxHjscSxxCn l6cSyJWNkP91WCY0RB/9FdVViyJDHUoErmq8OXY5IRluT4k3Eyl5BiQJhRobkiej5IaVwYtFVqf c4Z09r2pOVCJ/iuuMVP3kx0ctiL6Gy6GIs0kGdOLZehueJ8ZX4lDqxbdtk/jz5b2uvJqTkm X-Received: by 2002:a05:600c:1393:b0:493:bb0:3b43 with SMTP id 5b1f17b1804b1-4980c66c7cemr192987495e9.2.1785745849579; Mon, 03 Aug 2026 01:30:49 -0700 (PDT) From: Alexander Mikhalitsyn To: qemu-devel@nongnu.org Cc: =?UTF-8?q?St=C3=A9phane=20Graber?= , Alexander Mikhalitsyn , Keith Busch , Klaus Jensen , qemu-block@nongnu.org, Jesper Devantier , Alexander Mikhalitsyn Subject: [PATCH v3 1/2] hw/nvme: initialize ns->subsys for n->namespace Date: Mon, 3 Aug 2026 10:30:45 +0200 Message-ID: <20260803083046.110121-2-alexander@mihalicyn.com> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260803083046.110121-1-alexander@mihalicyn.com> References: <20260803083046.110121-1-alexander@mihalicyn.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists1p.gnu.org; Received-SPF: pass client-ip=2a00:1450:4864:20::32a; envelope-from=alexander@mihalicyn.com; helo=mail-wm1-x32a.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=unavailable autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: qemu development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @mihalicyn.com) X-ZM-MESSAGEID: 1785745901191158500 Content-Type: text/plain; charset="utf-8" From: Alexander Mikhalitsyn We must properly initialize n->namespace.subsys too. Will be important in the following patches. Signed-off-by: Alexander Mikhalitsyn Reviewed-by: Klaus Jensen --- hw/nvme/ctrl.c | 1 + 1 file changed, 1 insertion(+) diff --git a/hw/nvme/ctrl.c b/hw/nvme/ctrl.c index bd6ad64b200..710c3e0d77d 100644 --- a/hw/nvme/ctrl.c +++ b/hw/nvme/ctrl.c @@ -9648,6 +9648,7 @@ static void nvme_realize(PCIDevice *pci_dev, Error **= errp) ns =3D &n->namespace; ns->params.nsid =3D 1; ns->ctrl =3D n; + ns->subsys =3D n->subsys; =20 if (nvme_ns_setup(ns, errp)) { return; --=20 2.47.3 From nobody Mon Sep 28 01:12:53 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass(p=quarantine dis=none) header.from=mihalicyn.com ARC-Seal: i=1; a=rsa-sha256; t=1785745902; cv=none; d=zohomail.com; s=zohoarc; b=bplJCT6+Rqq2XOzI5jsPLynmU5v3D6n+Ew/FrXEu33QW3406hPGWIYoa25ogCxctWSCxmOFid4YsPFY8cH5xR35ex2nlkfl9uFn4fFuATdzU6Aocr43RX3r32WmQCPHM7zZ2wqFpa5UJYWRZwYX3UC5Yk7MZTeK6xI1czyK1+Ss= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1785745902; h=Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:Subject:To:To:Message-Id:Reply-To; bh=JzG4apXpiNocLsXpog0bsCdeoy9IhVdLqM3yABb24X8=; b=OZrYunQVwGGNjlmlBkNhcg/JTrpt4y44cYuvNIllcBERSla+1vwpaX364PZEjT8dYqQmDyaN7WSXceYEyBBxeDBxZYPA/1ACRA3tfOAvhcil+R4eFlRWaA1eGcC8gn4FM8jG+htql5jmeleg0LJRfDrNxOuHtNqYW7wWFn+0WVk= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass header.from= (p=quarantine dis=none) Return-Path: Received: from lists1p.gnu.org (lists1p.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1785745902030560.1086134592488; Mon, 3 Aug 2026 01:31:42 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists1p.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1wqo4W-0007xj-Df; Mon, 03 Aug 2026 04:30:56 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists1p.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1wqo4U-0007wS-Q5 for qemu-devel@nongnu.org; Mon, 03 Aug 2026 04:30:54 -0400 Received: from mail-wm1-x329.google.com ([2a00:1450:4864:20::329]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1wqo4S-0005sP-5S for qemu-devel@nongnu.org; Mon, 03 Aug 2026 04:30:54 -0400 Received: by mail-wm1-x329.google.com with SMTP id 5b1f17b1804b1-495437bb891so14299695e9.1 for ; Mon, 03 Aug 2026 01:30:51 -0700 (PDT) Received: from alex-laptop.lan (p200300cf574a7200803110ea947f174a.dip0.t-ipconnect.de. [2003:cf:574a:7200:8031:10ea:947f:174a]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-49807bb45ebsm152286045e9.4.2026.08.03.01.30.49 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 03 Aug 2026 01:30:50 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=mihalicyn.com; s=mihalicyn; t=1785745851; x=1786350651; darn=nongnu.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to:content-type; bh=JzG4apXpiNocLsXpog0bsCdeoy9IhVdLqM3yABb24X8=; b=HdwNkx7JW5cfC5sXOxbzRnPyl7shYpxYjj7AUrSZmJP3aUCvFZNqfFJ4mCSEWbQMPt sixkIZGRtCPsJDQbkfQfMjLc2l35MMAtLfPcrROXYvKazrhN92RZ7LrhCVrtfaWhY89C w7AUpLKwXQ+662PQmO50PlZ8N/P1EOdGy/RGo= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1785745851; x=1786350651; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-gg:x-gm-message-state:from :to:cc:subject:date:message-id:reply-to:content-type; bh=JzG4apXpiNocLsXpog0bsCdeoy9IhVdLqM3yABb24X8=; b=C3GNfgJccvLalo5ssWh6N6Boh2igzqUsif27dRK2HXFL7sdEQrS0gu0d+MXLbLwhcb p3hzfWYwitRrCVP1YYdX9KEbhMWRJEXkYgZ0sE3B8Pu8liNaeoUv6wgipXrG3bk5rESh 34bFrv9h4140UhvtCcKKHZymlWps1BduC5c6Ks1gTFaa1ckkOCMOJFF5EIM63+8/k9u9 p4nHFuJvpCapk9XbAIJVxoFAhH18vXR+0S/yoHup1ePpiaC/etrFg/lSXnccFStOcM9m SQ9yojvq6n10SpIbxtg5pIn5WLKtdyMlT9fGYL4bBPN7X+XcUf6Q52T7WCjj9tqk5uMa LnOA== X-Gm-Message-State: AOJu0YzTT9ySs2p/rwkIovFPxLNtepuPgvgBhutlSFMsKBZQhRBzkWp1 jUMWH/o1gTxefTHCq4g0PX1wl89+1XhdczTIJzXZt7m7FmDTjzwtWumhn/CKkO0bd/rrlju3Qwc BH6cX X-Gm-Gg: AR+sD13LU6b/82qVITjmnAPv8gs6qGKonJzWbF9UwFnbbPqX//aLlrg2CRdSWpb2xXi Ed3EpGbZpgNFnZy+NS8hY5xX7l/VwnEIc+i9H4HTaX7N1q48VsnwLNw25hyQpebNxnub2cYdb6H 9kCe9fP41W1SS0pM3DNkdqJwposAUczjLZz4m0lrQGNATbaRKNfMmtBeDDyji7DS0Wu1fKVYJRL +s9ABPdE4haT0eWVhKVNMKsnwUfO+h/Ec7N0Nxa0Ks1eFvkJj3yZhO1cpV/YfblrQpEUhUo6J8d CwyLyTj0xj6bapkGbXJh+eS7lWg+jUxFlx3yXMC5bGYlZz4BR1e0eDtkGHjpVtNnidsYqOjPSrj 0h3tUdevMldL9WHMMz+kwl45lBWmqrRDAG2ouaiYvif+djmbbq/dKrfrIbDm0fVeHSiStj31XoU lrzOTiOiQUtQU5QomJr+lkOt7AEv0L5UWWpixgLZrqyrvR8K4x6JSIP32rpS2hVa3hsfHfMI3Zb bacKiqzRQ9vxa1DS5zLaenodWWQlmhoC4uLyUbCRMLmU6mJGOAfPtAD9SPOJA== X-Received: by 2002:a05:600c:3506:b0:495:3bc6:d381 with SMTP id 5b1f17b1804b1-4980eb8e287mr133749885e9.2.1785745850629; Mon, 03 Aug 2026 01:30:50 -0700 (PDT) From: Alexander Mikhalitsyn To: qemu-devel@nongnu.org Cc: =?UTF-8?q?St=C3=A9phane=20Graber?= , Alexander Mikhalitsyn , Keith Busch , Klaus Jensen , qemu-block@nongnu.org, Jesper Devantier , Alexander Mikhalitsyn Subject: [PATCH v3 2/2] hw/nvme: support online resize Date: Mon, 3 Aug 2026 10:30:46 +0200 Message-ID: <20260803083046.110121-3-alexander@mihalicyn.com> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260803083046.110121-1-alexander@mihalicyn.com> References: <20260803083046.110121-1-alexander@mihalicyn.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists1p.gnu.org; Received-SPF: pass client-ip=2a00:1450:4864:20::329; envelope-from=alexander@mihalicyn.com; helo=mail-wm1-x329.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: qemu development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @mihalicyn.com) X-ZM-MESSAGEID: 1785745902748158500 Content-Type: text/plain; charset="utf-8" From: Alexander Mikhalitsyn Implement (BlockDevOps *)->resize_cb() for NVMe namespace to enable online resize support. We must handle cases when multiple namespaces are attached to a single controller, or namespace is shared across a few different controllers by iterating over controllers attached to a NvmeSubsystem and properly notify every controller about a size change. Signed-off-by: Alexander Mikhalitsyn Reviewed-by: Klaus Jensen --- v3: - rebased v2: - check-patch fixes --- hw/nvme/ctrl.c | 9 +++++++ hw/nvme/ns.c | 68 +++++++++++++++++++++++++++++++++++++++++++++++++- hw/nvme/nvme.h | 2 ++ 3 files changed, 78 insertions(+), 1 deletion(-) diff --git a/hw/nvme/ctrl.c b/hw/nvme/ctrl.c index 710c3e0d77d..d60b3e105a1 100644 --- a/hw/nvme/ctrl.c +++ b/hw/nvme/ctrl.c @@ -7009,6 +7009,15 @@ static uint16_t nvme_ns_attachment(NvmeCtrl *n, Nvme= Request *req) return NVME_SUCCESS; } =20 +void nvme_ctrl_notify_ns_resize(NvmeCtrl *ctrl, NvmeNamespace *ns) +{ + if (!test_and_set_bit(ns->params.nsid, ctrl->changed_nsids)) { + nvme_enqueue_event(ctrl, NVME_AER_TYPE_NOTICE, + NVME_AER_INFO_NOTICE_NS_ATTR_CHANGED, + NVME_LOG_CHANGED_NSLIST); + } +} + typedef struct NvmeFormatAIOCB { BlockAIOCB common; BlockAIOCB *aiocb; diff --git a/hw/nvme/ns.c b/hw/nvme/ns.c index 7f0f9ac7662..e2954fd91b3 100644 --- a/hw/nvme/ns.c +++ b/hw/nvme/ns.c @@ -163,6 +163,70 @@ lbaf_found: return 0; } =20 +static void nvme_ns_resize_cb(void *opaque) +{ + NvmeNamespace *ns =3D opaque; + int64_t size; + int cntlid, notified_ctrls; + + size =3D blk_getlength(ns->blkconf.blk); + if (size < 0) { + error_report("can't get size of block device %s: %s", + blk_name(ns->blkconf.blk), strerror(-size)); + return; + } + + ns->size =3D size; + nvme_ns_init_format(ns); + + if (!ns->attached) { + return; + } + + /* + * Okay, the namespace is attached so we need to notify all controllers + * about size change. + * + * Let's just take ns->subsys, iterate over all controllers and find + * to which of them our namespace is attached. + */ + + assert(ns->subsys); + assert(ns->subsys->ctrls); + + notified_ctrls =3D 0; + for (cntlid =3D 0; cntlid < ARRAY_SIZE(ns->subsys->ctrls); cntlid++) { + NvmeCtrl *ctrl; + + /* notified everyone? */ + if (notified_ctrls =3D=3D ns->attached) { + break; + } + + ctrl =3D nvme_subsys_ctrl(ns->subsys, cntlid); + if (!ctrl) { + continue; + } + + for (uint32_t nsid =3D 1; nsid <=3D NVME_MAX_NAMESPACES; nsid++) { + NvmeNamespace *ns_iter =3D ctrl->namespaces[nsid]; + + if (!ns_iter || ns_iter !=3D ns) { + continue; + } + + nvme_ctrl_notify_ns_resize(ctrl, ns); + + notified_ctrls++; + break; + } + } +} + +static const BlockDevOps nvme_ns_block_ops =3D { + .resize_cb =3D nvme_ns_resize_cb, +}; + static int nvme_ns_init_blk(NvmeNamespace *ns, Error **errp) { bool read_only; @@ -172,10 +236,12 @@ static int nvme_ns_init_blk(NvmeNamespace *ns, Error = **errp) } =20 read_only =3D !blk_supports_write_perm(ns->blkconf.blk); - if (!blkconf_apply_backend_options(&ns->blkconf, read_only, false, err= p)) { + if (!blkconf_apply_backend_options(&ns->blkconf, read_only, true, errp= )) { return -1; } =20 + blk_set_dev_ops(ns->blkconf.blk, &nvme_ns_block_ops, ns); + if (ns->blkconf.discard_granularity =3D=3D -1) { ns->blkconf.discard_granularity =3D MAX(ns->blkconf.logical_block_size, MIN_DISCARD_GRANULARITY); diff --git a/hw/nvme/nvme.h b/hw/nvme/nvme.h index 43e3c916f73..a4b2c01a2cc 100644 --- a/hw/nvme/nvme.h +++ b/hw/nvme/nvme.h @@ -764,6 +764,8 @@ void nvme_atomic_configure_max_write_size(bool dn, uint= 16_t awun, void nvme_ns_atomic_configure_boundary(bool dn, uint16_t nabsn, uint16_t nabspf, NvmeAtomic *atomic= ); =20 +void nvme_ctrl_notify_ns_resize(NvmeCtrl *ctrl, NvmeNamespace *ns); + extern const VMStateDescription nvme_vmstate_atomic; extern const VMStateDescription nvme_vmstate_ns; =20 --=20 2.47.3