From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pj2-f43.google.com (mail-pj2-f43.google.com [74.125.227.171]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 26F36472080 for ; Sun, 20 Sep 2026 18:30:19 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=74.125.227.171 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789929021; cv=none; b=ZnLnSwqD3GWIGBLqV8AYgZ+HqIa+km59YU0Amk/TW2gpclmcqp6qmnpg2pRzF7sqIh1hG8trARYR69t1Mr03c+yjOOf1L1hzlaMQYgnUrrDYNcxhLpE1zvpvdoGgjKVk0xu1LKW4MxiGvbxc9fYlZXY/W+toQWYwe1B5CS7DxNA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789929021; c=relaxed/simple; bh=JP1DUGRnFpKenhUQXMkCfj/AYF5XyMKm7PlfqwvLN0s=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=D7Mv3phJ00qW4ynbethriUql85s45HzMVJosZiGqDxAc6W1UXaSSS7Val5SQ3pmOiTHtIxP9344YVQXD4mVlWY0q4Q8lGBXtvk7SGUCVX+HN7quXIIc4wqiLwBp8EXA5Wh4R967JO19hNGHuMM7ZiqivD9b/PFFPjuQOIrQvmz8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=purestorage.com; spf=pass smtp.mailfrom=purestorage.com; dkim=pass (2048-bit key) header.d=purestorage.com header.i=@purestorage.com header.b=bMbdSs4A; arc=none smtp.client-ip=74.125.227.171 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=purestorage.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=purestorage.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=purestorage.com header.i=@purestorage.com header.b="bMbdSs4A" Received: by mail-pj2-f43.google.com with SMTP id 98e67ed59e1d1-396ccafb751so1875895a91.2 for ; Sun, 20 Sep 2026 11:30:18 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=purestorage.com; s=google2022; t=1789929018; x=1790533818; darn=vger.kernel.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=dVQz5nhnRw3JFcVZi/bpaRY30mlHvfzPq9aZRP4f2wk=; b=bMbdSs4AnnVVZ+9DLN2Mp77VluYJCb9pqlw/DcBqroNLOBJOaMrAv70WTkFt2ChojA Jqb/9vOQFOPC35jvNVIp3SHpAc8IjsVGEhrsOtPlw2nlhD/ASv7YT92AiY48nCH+DIs/ l/RVBXZMbU6M2x87CmIXwT++ANOPpoH+5kRxcXbXcmWf7uUgiu/5mOpzJTv1MN+Kpd4o lksMcKo/wXWVId6oZJo+H15w1QvU9B+wgmATMMAhNjqv9r4WNi5JvOQ9bPs5Ta139npY sOO6c0Z8OqsFdyLKoao30GtiM5otvMVyujJpAcykOw8G/wbUaO/O5srCQdsTim0yS2uu aibw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20260707; t=1789929018; x=1790533818; 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=dVQz5nhnRw3JFcVZi/bpaRY30mlHvfzPq9aZRP4f2wk=; b=giFkAuNtkOtpgX0dnVvdw7gRvVzmBweHTlEcriXdQwJQGvQhpahlAw7TZaheXVGq/A SJKogRfuqUhHBItoPoWD0mNvTlELw2r6SdWMWzikJYOwuUwVeXNUiBlyKFyHG53CAsXN H3hcME3YTmS09gG7gdGq/gaFyJtpd52E4QfAhcc3mtFFHcaNvRPhOIzc3kf+GRVFWnFz gc37uIwxidnqH5OI9X09xpLvq6U688+F930nYJ60lUEzs6IYnELadhvVqpMZ5exivVmU +J0lw61hFNC1yGF+Bl2yCJ3dCdL1BdEdd503pjiuiBDCJ6Cc/n+txiU6AEmZlfTzv5MF SwkA== X-Forwarded-Encrypted: i=1; AKwUvBxvcZCvJmLLIV82LpuW0RfsIWXgIm910GB5NrM2GSIAwQrOGGLnVGH6AaJDS0C0Yr0jbaCJXeAB/SoDCFY=@vger.kernel.org X-Gm-Message-State: AFuF++k7XruXfqfNKnmEf+S/GKoxfCItEYHoUz0JpPlT+nTN69Bv+4V6 GFcH9reouCiX6bYU8jkxHQ2TzzCJdSqRUJkOTDHtJJYu5SuJ40nH9kI+iRnLwVl/hcg= X-Gm-Gg: AYBFou0PdRkzROaNlYvA8MXxQPCfSBq3b0I3it1U/eTxrvXFWD7hH/kPNFvRvEaL91W 4MYtDpJsC7yy/X8sr/Swby752mwE42iT7P3vMLNhUDXVlWAKC/Zjb+LSWhsPRMxELwZhTgMWXtQ Ypk5QDLW9+PMMPbPsDu2R++/Ls1fv73BoqlYWiwyZFhT0j5ixrzx5Quw0itUmufEPF/89hZVwh1 rz+TflUS32063FiLNXSL43W/gGygRlGlto/s9+4+d76858vbHwem4SG+CZmv04zg7J5Yh5rg4iC TYzLQivBDqZsL53WO4iZk384Kq4ykFMd7cF/tgnXqxBX36+buajiWV0Oc9JLXxMBdpteVzkZooA U5NaY6NU0VoBSsfaODBlSkiq5R+A8J6UOqSmHXUw4EmV0Ha38zICwcPaqgRb6agxphYW2EwhB2M jKtoDQNGMujdTBbZ8WBQ9BlEV8mwqJOKVCR5mlHMyfrAwOKEpjnsuM2WHB X-Received: by 2002:a17:90a:1050:b0:39e:6b01:f93c with SMTP id 98e67ed59e1d1-39e6b0213b1mr6419367a91.13.1789929018194; Sun, 20 Sep 2026 11:30:18 -0700 (PDT) Received: from ceto ([2607:fb90:9c20:5ac0::1d8c]) by smtp.googlemail.com with ESMTPSA id a92af1059eb24-144da432647sm20924589c88.5.2026.09.20.11.30.16 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 20 Sep 2026 11:30:17 -0700 (PDT) From: Mohamed Khalfella To: Keith Busch , Jens Axboe , Christoph Hellwig , Sagi Grimberg Cc: Justin Tee , Naresh Gottumukkala , Paul Ely , Hannes Reinecke , Chaitanya Kulkarni , James Smart , Randy Jennings , Mohamed Khalfella , linux-nvme@lists.infradead.org, linux-kernel@vger.kernel.org, Hannes Reinecke Subject: [PATCH v6 02/18] nvmet/debugfs: Export controller CIU and CIRN via debugfs Date: Sun, 20 Sep 2026 11:28:00 -0700 Message-ID: <20260920182936.2317916-3-mkhalfella@purestorage.com> X-Mailer: git-send-email 2.55.0 In-Reply-To: <20260920182936.2317916-1-mkhalfella@purestorage.com> References: <20260920182936.2317916-1-mkhalfella@purestorage.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Export ctrl->ciu and ctrl->cirn as debugfs files under controller debugfs directory. Signed-off-by: Mohamed Khalfella Reviewed-by: Hannes Reinecke Reviewed-by: Sagi Grimberg --- drivers/nvme/target/debugfs.c | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) diff --git a/drivers/nvme/target/debugfs.c b/drivers/nvme/target/debugfs.c index e85fe1d4c9f8..4de460879d0b 100644 --- a/drivers/nvme/target/debugfs.c +++ b/drivers/nvme/target/debugfs.c @@ -152,6 +152,23 @@ static int nvmet_ctrl_tls_concat_show(struct seq_file *m, void *p) } NVMET_DEBUGFS_ATTR(nvmet_ctrl_tls_concat); #endif +static int nvmet_ctrl_instance_ciu_show(struct seq_file *m, void *p) +{ + struct nvmet_ctrl *ctrl = m->private; + + seq_printf(m, "%02x\n", ctrl->ciu); + return 0; +} +NVMET_DEBUGFS_ATTR(nvmet_ctrl_instance_ciu); + +static int nvmet_ctrl_instance_cirn_show(struct seq_file *m, void *p) +{ + struct nvmet_ctrl *ctrl = m->private; + + seq_printf(m, "%016llx\n", ctrl->cirn); + return 0; +} +NVMET_DEBUGFS_ATTR(nvmet_ctrl_instance_cirn); static const char *const nvmet_pr_type_names[] = { [NVME_PR_WRITE_EXCLUSIVE] = "write_exclusive", @@ -287,6 +304,10 @@ int nvmet_debugfs_ctrl_setup(struct nvmet_ctrl *ctrl) debugfs_create_file("tls_key", S_IRUSR, ctrl->debugfs_dir, ctrl, &nvmet_ctrl_tls_key_fops); #endif + debugfs_create_file("ciu", S_IRUSR, ctrl->debugfs_dir, ctrl, + &nvmet_ctrl_instance_ciu_fops); + debugfs_create_file("cirn", S_IRUSR, ctrl->debugfs_dir, ctrl, + &nvmet_ctrl_instance_cirn_fops); return 0; } -- 2.55.0