From patchwork Mon Mar 7 08:43:07 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: zhenwei pi X-Patchwork-Id: 12771365 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 lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id E269FC433F5 for ; Mon, 7 Mar 2022 08:47:28 +0000 (UTC) Received: from localhost ([::1]:52308 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1nR91b-0004ye-Ra for qemu-devel@archiver.kernel.org; Mon, 07 Mar 2022 03:47:27 -0500 Received: from eggs.gnu.org ([209.51.188.92]:50984) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nR90Q-0004EM-7i for qemu-devel@nongnu.org; Mon, 07 Mar 2022 03:46:14 -0500 Received: from [2607:f8b0:4864:20::532] (port=35729 helo=mail-pg1-x532.google.com) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1nR90L-00082F-4c for qemu-devel@nongnu.org; Mon, 07 Mar 2022 03:46:11 -0500 Received: by mail-pg1-x532.google.com with SMTP id e6so12993838pgn.2 for ; Mon, 07 Mar 2022 00:46:08 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bytedance-com.20210112.gappssmtp.com; s=20210112; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=kZjEb3rm/x8/PUOmaFhmx82rfY+NWT5FkkQxJ8bEnRY=; b=M9gCCJv5Uq8Y0BPdPWYa20h27UrC0bSJSC13+F+NuyJa51ntpDDCF37CNETXWqV4+w e10TBE0re+V6Hcol627xZ4kyLnuDYvv5OqO+RJi4fy9D2d2pLTtn6ziUdZ+WSU9RiWFj fRXEEACBOePz9+rZ+Us/EdAYCS7Dp1iKoOf+aHcO2yo+HiPhzjpBGPuyaw59VVfjPdcH q6BQ7Gsa22cTvKUXBaCrnKUf6W0lRhre4uvOnpqfGWJKT/in6BFtBjPsP5mBk6PLECum SU6hXdGLlqQVvkMfP4UE8vTKz2zy8x4eg9k3Xf11gMKR4DMuCpepz02p4p1oIA4k5jx7 N4xw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=kZjEb3rm/x8/PUOmaFhmx82rfY+NWT5FkkQxJ8bEnRY=; b=p/xuAHsXgmd1vCSE+GqK6fblDMdPHe2waF9rFH4idYuzx12Uo0pNbwTaF8k+Mq6hB3 giQ2C5MJLgjMhISEe3tpxWFi3QgmLxmaPEUfGb3d7UxY2Cd6JJybAk/jz3Hq+b9/WWiC 0EyGAKkgsSABC/dcw3Tz3G5PyCB1JOrBevE/lITEAVVo/ZnAGoaI0UcQGRQQB5q5qdn9 XLe6Lv5wWLfP9impOkeXMwgsxPn2f35+Xm8GAjtELPs2uUm+yErbs99qNz91zBqYZTYE GutIlRN1JyzlkdeZtKaBrJVYao8Qy99SY/zXEmPQJCjg7Xx2HfBSPKznt6eXN+fZX4iE GREA== X-Gm-Message-State: AOAM531FKKhItaaa5yWROahvaJHXpVVtR+taKjfQcrXpa+JU3w1oPQeF XIKRYC3PHNDeUmJCQ0N3NH0fZw== X-Google-Smtp-Source: ABdhPJw5lDsjHwQt5zRFbo/THvPbPHwOqlFUOpG7dC5r/CDt0fuOhl12tif71FpWfpaw97Kb471sHg== X-Received: by 2002:a65:4348:0:b0:375:9840:b064 with SMTP id k8-20020a654348000000b003759840b064mr9159976pgq.270.1646642767399; Mon, 07 Mar 2022 00:46:07 -0800 (PST) Received: from always-x1.bytedance.net ([61.120.150.76]) by smtp.gmail.com with ESMTPSA id g10-20020a056a000b8a00b004de9129eb80sm15973825pfj.85.2022.03.07.00.46.03 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 07 Mar 2022 00:46:06 -0800 (PST) From: zhenwei pi To: michael.roth@amd.com Subject: [PATCH v3] qga: Introduce disk smart Date: Mon, 7 Mar 2022 16:43:07 +0800 Message-Id: <20220307084307.1379107-1-pizhenwei@bytedance.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 X-Host-Lookup-Failed: Reverse DNS lookup failed for 2607:f8b0:4864:20::532 (failed) Received-SPF: pass client-ip=2607:f8b0:4864:20::532; envelope-from=pizhenwei@bytedance.com; helo=mail-pg1-x532.google.com X-Spam_score_int: -4 X-Spam_score: -0.5 X-Spam_bar: / X-Spam_report: (-0.5 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, PDS_HP_HELO_NORDNS=0.659, RCVD_IN_DNSWL_NONE=-0.0001, RDNS_NONE=0.793, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: armbru@redhat.com, zhenwei pi , qemu-devel@nongnu.org, philippe.mathieu.daude@gmail.com, Keith Busch , marcandre.lureau@gmail.com Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" After assigning a NVMe/SCSI controller to guest by VFIO, we lose everything on the host side. A guest uses these devices exclusively, we usually don't care the actions on these devices. But there is a low probability that hitting physical hardware warning, we need a chance to get the basic smart log info. Introduce disk smart, and implement NVMe smart on linux. Thanks to Keith and Marc-André. CC: Keith Busch Signed-off-by: zhenwei pi Reviewed-by: Marc-André Lureau --- qga/commands-posix.c | 73 ++++++++++++++++++++++++++++++++++++++++++++ qga/qapi-schema.json | 53 +++++++++++++++++++++++++++++++- 2 files changed, 125 insertions(+), 1 deletion(-) diff --git a/qga/commands-posix.c b/qga/commands-posix.c index 4ec83bbfbc..383bbebe42 100644 --- a/qga/commands-posix.c +++ b/qga/commands-posix.c @@ -27,6 +27,7 @@ #include "qemu/base64.h" #include "qemu/cutils.h" #include "commands-common.h" +#include "block/nvme.h" #ifdef HAVE_UTMPX #include @@ -49,6 +50,7 @@ extern char **environ; #include #include #include +#include #ifdef CONFIG_LIBUDEV #include @@ -1390,6 +1392,76 @@ static GuestDiskInfoList *get_disk_partitions( return ret; } +static void get_nvme_smart(GuestDiskInfo *disk) +{ + int fd; + GuestNVMeSmart *smart; + NvmeSmartLog log = {0}; + struct nvme_admin_cmd cmd = { + .opcode = NVME_ADM_CMD_GET_LOG_PAGE, + .nsid = NVME_NSID_BROADCAST, + .addr = (uint64_t)&log, + .data_len = sizeof(log), + .cdw10 = NVME_LOG_SMART_INFO | (1 << 15) /* RAE bit */ + | (((sizeof(log) >> 2) - 1) << 16) + }; + + fd = qemu_open_old(disk->name, O_RDONLY); + if (fd == -1) { + g_debug("Failed to open device: %s: %s", disk->name, g_strerror(errno)); + return; + } + + if (ioctl(fd, NVME_IOCTL_ADMIN_CMD, &cmd)) { + g_debug("Failed to get smart: %s: %s", disk->name, g_strerror(errno)); + close(fd); + return; + } + + disk->has_smart = true; + disk->smart = g_new0(GuestDiskSmart, 1); + disk->smart->type = GUEST_DISK_BUS_TYPE_NVME; + + smart = &disk->smart->u.nvme; + smart->critical_warning = log.critical_warning; + smart->temperature = lduw_le_p(&log.temperature); /* unaligned field */ + smart->available_spare = log.available_spare; + smart->available_spare_threshold = log.available_spare_threshold; + smart->percentage_used = log.percentage_used; + smart->data_units_read_lo = le64_to_cpu(log.data_units_read[0]); + smart->data_units_read_hi = le64_to_cpu(log.data_units_read[1]); + smart->data_units_written_lo = le64_to_cpu(log.data_units_written[0]); + smart->data_units_written_hi = le64_to_cpu(log.data_units_written[1]); + smart->host_read_commands_lo = le64_to_cpu(log.host_read_commands[0]); + smart->host_read_commands_hi = le64_to_cpu(log.host_read_commands[1]); + smart->host_write_commands_lo = le64_to_cpu(log.host_write_commands[0]); + smart->host_write_commands_hi = le64_to_cpu(log.host_write_commands[1]); + smart->controller_busy_time_lo = le64_to_cpu(log.controller_busy_time[0]); + smart->controller_busy_time_hi = le64_to_cpu(log.controller_busy_time[1]); + smart->power_cycles_lo = le64_to_cpu(log.power_cycles[0]); + smart->power_cycles_hi = le64_to_cpu(log.power_cycles[1]); + smart->power_on_hours_lo = le64_to_cpu(log.power_on_hours[0]); + smart->power_on_hours_hi = le64_to_cpu(log.power_on_hours[1]); + smart->unsafe_shutdowns_lo = le64_to_cpu(log.unsafe_shutdowns[0]); + smart->unsafe_shutdowns_hi = le64_to_cpu(log.unsafe_shutdowns[1]); + smart->media_errors_lo = le64_to_cpu(log.media_errors[0]); + smart->media_errors_hi = le64_to_cpu(log.media_errors[1]); + smart->number_of_error_log_entries_lo = + le64_to_cpu(log.number_of_error_log_entries[0]); + smart->number_of_error_log_entries_hi = + le64_to_cpu(log.number_of_error_log_entries[1]); + + close(fd); +} + +static void get_disk_smart(GuestDiskInfo *disk) +{ + if (disk->has_address + && (disk->address->bus_type == GUEST_DISK_BUS_TYPE_NVME)) { + get_nvme_smart(disk); + } +} + GuestDiskInfoList *qmp_guest_get_disks(Error **errp) { GuestDiskInfoList *ret = NULL; @@ -1463,6 +1535,7 @@ GuestDiskInfoList *qmp_guest_get_disks(Error **errp) } get_disk_deps(disk_dir, disk); + get_disk_smart(disk); ret = get_disk_partitions(ret, de->d_name, disk_dir, dev_name); } diff --git a/qga/qapi-schema.json b/qga/qapi-schema.json index 8f73770210..bbfb817347 100644 --- a/qga/qapi-schema.json +++ b/qga/qapi-schema.json @@ -888,6 +888,55 @@ '*serial': 'str', '*dev': 'str', '*ccw-address': 'GuestCCWAddress'} } +## +# @GuestNVMeSmart: +# +# NVMe smart informations, based on NVMe specification, +# section +# +# Since: 7.0 +## +{ 'struct': 'GuestNVMeSmart', + 'data': {'critical-warning': 'int', + 'temperature': 'int', + 'available-spare': 'int', + 'available-spare-threshold': 'int', + 'percentage-used': 'int', + 'data-units-read-lo': 'uint64', + 'data-units-read-hi': 'uint64', + 'data-units-written-lo': 'uint64', + 'data-units-written-hi': 'uint64', + 'host-read-commands-lo': 'uint64', + 'host-read-commands-hi': 'uint64', + 'host-write-commands-lo': 'uint64', + 'host-write-commands-hi': 'uint64', + 'controller-busy-time-lo': 'uint64', + 'controller-busy-time-hi': 'uint64', + 'power-cycles-lo': 'uint64', + 'power-cycles-hi': 'uint64', + 'power-on-hours-lo': 'uint64', + 'power-on-hours-hi': 'uint64', + 'unsafe-shutdowns-lo': 'uint64', + 'unsafe-shutdowns-hi': 'uint64', + 'media-errors-lo': 'uint64', + 'media-errors-hi': 'uint64', + 'number-of-error-log-entries-lo': 'uint64', + 'number-of-error-log-entries-hi': 'uint64' } } + +## +# @GuestDiskSmart: +# +# Disk type related smart information. +# +# - @nvme: NVMe disk smart +# +# Since: 7.0 +## +{ 'union': 'GuestDiskSmart', + 'base': { 'type': 'GuestDiskBusType' }, + 'discriminator': 'type', + 'data': { 'nvme': 'GuestNVMeSmart' } } + ## # @GuestDiskInfo: # @@ -899,12 +948,14 @@ # @address: disk address information (only for non-virtual devices) # @alias: optional alias assigned to the disk, on Linux this is a name assigned # by device mapper +# @smart: disk smart information (Since 7.0) # # Since 5.2 ## { 'struct': 'GuestDiskInfo', 'data': {'name': 'str', 'partition': 'bool', '*dependencies': ['str'], - '*address': 'GuestDiskAddress', '*alias': 'str'} } + '*address': 'GuestDiskAddress', '*alias': 'str', + '*smart': 'GuestDiskSmart'} } ## # @guest-get-disks: