From nobody Thu Sep 21 14:44:57 2023 X-Original-To: dev-commits-src-all@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4RryqG11VSz4tVw5; Thu, 21 Sep 2023 14:44:58 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "R3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4RryqG0W5Sz4GTC; Thu, 21 Sep 2023 14:44:58 +0000 (UTC) (envelope-from git@FreeBSD.org) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1695307498; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=WQ8TTkCks6WLI40D+r/SDJYUf/NL/eMBzRVDAEL3T1I=; b=r7F1V4KnuoYEGOqIDhyVFigIbEn2SZACQSkq+83JC7Q5w2K708wUje8mP6g11TOdznKiSY ZTG8RRz7O+LiSPAiWoZTDPF1TGBpzKHPDsWM6mQJVZL5CHtOOxLRruAC/vGCB8EobbExtN BUGZRuueWI4XKb6Q1vNzkuySJa/gM6tQdKzcryudVYUn46YhkZzl/ni/8MXcafKB4//BXR rYKiU55hY7ZhKhyM2QpH1lC0Ha9c7Fg6kK25pMMWCyxO+Mjr8TMLsF/dfCNyIROY1uutHW wAhXFeq2VJLY1Lo9sJa6LZpkTdVfsqO/8AzyWlZjWDENQHHZWAP0WZitfdQvZg== ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1695307498; a=rsa-sha256; cv=none; b=SfDcIcDwXr6vEBHejRUObv+GkV97penwJRfgk+DUW9Z6QEGnhMtoZgKdrgUBDJpocmuCWO hFPVAQMG8qXvwGzbmgtGVcmYGrSaVGhIYPMig0Op0obeVnpiyZqPHfiBoJJw4KWBjSeJo0 vLCIHWwWe/FU3h6lbJyNxped9GrWeseo+ZK+pWNgtCbqiAVg2xvp/XJrxNUWsdRglnZEWt ragtmV884smJEO2DVNuPlxKdwbkayciBAQP9FWsLNvWcp54j+sq1oRbCdsiPmWWKeJ9thP 246w8S8yRsvddn62Qed6WbjiPU+uqLsBYxojUoZDilkc4IEvSkAmQPBxQ78e6A== ARC-Authentication-Results: i=1; mx1.freebsd.org; none ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1695307498; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=WQ8TTkCks6WLI40D+r/SDJYUf/NL/eMBzRVDAEL3T1I=; b=aPymQjBpWLLPKqW9kP0ItSNGBdNqCLBk3QgTmlOu32tnrpcftqjqOUamNRVH+x2M9lsd8z pYwBjt6+OqTMj5tNOqQgPEVULIbhcr89qTs0CPUjZlSJ4pFIo47nipF1HcYDnD1RpvBrMM b+XZJYPAPUfzcFqMxUDnIZ5iB/ZN1fm+YxUI9hLcWkcv00/aqppVeILuPbdWkbGR5U6yUu kHEhe1WWrCzsKLGCgnQGQo3NZCiwCNNaodEvH+Bnsu14bf2w26bKqezHKFxGpxPAsdNoWr IE7Zjvx7YWE3V+MJKHh8QZEmqup/cvG5/eql2DMx7idkdVDVDe7ehFXiC+kzFA== Received: from gitrepo.freebsd.org (gitrepo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:5]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id 4RryqF6VPPzjXY; Thu, 21 Sep 2023 14:44:57 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from gitrepo.freebsd.org ([127.0.1.44]) by gitrepo.freebsd.org (8.17.1/8.17.1) with ESMTP id 38LEivi2023071; Thu, 21 Sep 2023 14:44:57 GMT (envelope-from git@gitrepo.freebsd.org) Received: (from git@localhost) by gitrepo.freebsd.org (8.17.1/8.17.1/Submit) id 38LEivgB023068; Thu, 21 Sep 2023 14:44:57 GMT (envelope-from git) Date: Thu, 21 Sep 2023 14:44:57 GMT Message-Id: <202309211444.38LEivgB023068@gitrepo.freebsd.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org From: Alan Somers Subject: git: 7d154c4dc64e - main - mprutil: "fix user reply buffer (64)..." warnings List-Id: Commit messages for all branches of the src repository List-Archive: https://lists.freebsd.org/archives/dev-commits-src-all List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-dev-commits-src-all@freebsd.org X-BeenThere: dev-commits-src-all@freebsd.org MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Git-Committer: asomers X-Git-Repository: src X-Git-Refname: refs/heads/main X-Git-Reftype: branch X-Git-Commit: 7d154c4dc64e61af7ca536c4e9927fa07c675a83 Auto-Submitted: auto-generated The branch main has been updated by asomers: URL: https://cgit.FreeBSD.org/src/commit/?id=7d154c4dc64e61af7ca536c4e9927fa07c675a83 commit 7d154c4dc64e61af7ca536c4e9927fa07c675a83 Author: Alan Somers AuthorDate: 2023-02-22 22:06:43 +0000 Commit: Alan Somers CommitDate: 2023-09-21 14:38:24 +0000 mprutil: "fix user reply buffer (64)..." warnings Depending on the card's firmware version, it may return different length responses for MPI2_FUNCTION_IOC_FACTS. But the first part of the response contains the length of the rest, so query it first to get the length and then use that to size the buffer for the full response. Also, correctly zero-initialize MPI2_IOC_FACTS_REQUEST. It only worked by luck before. PR: 264848 Reported by: Julien Cigar MFC after: 1 week Sponsored by: Axcient Reviewed by: scottl, imp Differential Revision: https://reviews.freebsd.org/D38739 --- sys/dev/mpr/mpr.c | 2 +- sys/dev/mpr/mpr_user.c | 4 ++-- sys/dev/mps/mps.c | 2 +- sys/dev/mps/mps_user.c | 4 ++-- usr.sbin/mpsutil/mps_cmd.c | 40 +++++++++++++++++++++++++++------------- 5 files changed, 33 insertions(+), 19 deletions(-) diff --git a/sys/dev/mpr/mpr.c b/sys/dev/mpr/mpr.c index 72993be8834e..23f7ff0c3e9a 100644 --- a/sys/dev/mpr/mpr.c +++ b/sys/dev/mpr/mpr.c @@ -1871,7 +1871,7 @@ mpr_setup_sysctl(struct mpr_softc *sc) SYSCTL_ADD_STRING(sysctl_ctx, SYSCTL_CHILDREN(sysctl_tree), OID_AUTO, "msg_version", CTLFLAG_RD, sc->msg_version, - strlen(sc->msg_version), "message interface version"); + strlen(sc->msg_version), "message interface version (deprecated)"); SYSCTL_ADD_INT(sysctl_ctx, SYSCTL_CHILDREN(sysctl_tree), OID_AUTO, "io_cmds_active", CTLFLAG_RD, diff --git a/sys/dev/mpr/mpr_user.c b/sys/dev/mpr/mpr_user.c index d9dc3d2377a2..f2847ae36d66 100644 --- a/sys/dev/mpr/mpr_user.c +++ b/sys/dev/mpr/mpr_user.c @@ -852,7 +852,7 @@ mpr_user_pass_thru(struct mpr_softc *sc, mpr_pass_thru_t *data) rpl = (MPI2_DEFAULT_REPLY *)cm->cm_reply; sz = rpl->MsgLength * 4; - if (sz > data->ReplySize) { + if (bootverbose && sz > data->ReplySize) { mpr_printf(sc, "%s: user reply buffer (%d) " "smaller than returned buffer (%d)\n", __func__, data->ReplySize, sz); @@ -1077,7 +1077,7 @@ mpr_user_pass_thru(struct mpr_softc *sc, mpr_pass_thru_t *data) rpl = (MPI2_DEFAULT_REPLY *)cm->cm_reply; sz = rpl->MsgLength * 4; - if (sz > data->ReplySize) { + if (bootverbose && sz > data->ReplySize) { mpr_printf(sc, "%s: user reply buffer (%d) smaller " "than returned buffer (%d)\n", __func__, data->ReplySize, sz); diff --git a/sys/dev/mps/mps.c b/sys/dev/mps/mps.c index 43362b96b7b6..f358ab8a73a9 100644 --- a/sys/dev/mps/mps.c +++ b/sys/dev/mps/mps.c @@ -1719,7 +1719,7 @@ mps_setup_sysctl(struct mps_softc *sc) SYSCTL_ADD_STRING(sysctl_ctx, SYSCTL_CHILDREN(sysctl_tree), OID_AUTO, "msg_version", CTLFLAG_RD, sc->msg_version, - strlen(sc->msg_version), "message interface version"); + strlen(sc->msg_version), "message interface version (deprecated)"); SYSCTL_ADD_INT(sysctl_ctx, SYSCTL_CHILDREN(sysctl_tree), OID_AUTO, "io_cmds_active", CTLFLAG_RD, diff --git a/sys/dev/mps/mps_user.c b/sys/dev/mps/mps_user.c index cf2fdb2b2adb..3d1b478d81b1 100644 --- a/sys/dev/mps/mps_user.c +++ b/sys/dev/mps/mps_user.c @@ -851,7 +851,7 @@ mps_user_pass_thru(struct mps_softc *sc, mps_pass_thru_t *data) rpl = (MPI2_DEFAULT_REPLY *)cm->cm_reply; sz = rpl->MsgLength * 4; - if (sz > data->ReplySize) { + if (bootverbose && sz > data->ReplySize) { mps_printf(sc, "%s: user reply buffer (%d) " "smaller than returned buffer (%d)\n", __func__, data->ReplySize, sz); @@ -1005,7 +1005,7 @@ mps_user_pass_thru(struct mps_softc *sc, mps_pass_thru_t *data) rpl = (MPI2_DEFAULT_REPLY *)cm->cm_reply; sz = rpl->MsgLength * 4; - if (sz > data->ReplySize) { + if (bootverbose && sz > data->ReplySize) { mps_printf(sc, "%s: user reply buffer (%d) smaller " "than returned buffer (%d)\n", __func__, data->ReplySize, sz); diff --git a/usr.sbin/mpsutil/mps_cmd.c b/usr.sbin/mpsutil/mps_cmd.c index 448e4cea602f..2101bbba73b0 100644 --- a/usr.sbin/mpsutil/mps_cmd.c +++ b/usr.sbin/mpsutil/mps_cmd.c @@ -721,25 +721,39 @@ mps_pass_command(int fd, void *req, uint32_t req_len, void *reply, return (0); } +/* Return the length in bytes of the device's MPI2_IOC_FACTS reply */ +static size_t +mps_get_ioc_factslen(int fd) +{ + MPI2_IOC_FACTS_REQUEST req; + const size_t factslen = 4; + char factsbuf[4] = {0}; + MPI2_IOC_FACTS_REPLY *facts = (MPI2_IOC_FACTS_REPLY*)factsbuf; + int error; + + bzero(&req, sizeof(req)); + req.Function = MPI2_FUNCTION_IOC_FACTS; + error = mps_pass_command(fd, &req, sizeof(MPI2_IOC_FACTS_REQUEST), + factsbuf, factslen, NULL, 0, NULL, 0, 10); + + if (error) + return (0); + + /* The card's response is measured in dwords */ + return (facts->MsgLength * 4); +} + MPI2_IOC_FACTS_REPLY * mps_get_iocfacts(int fd) { MPI2_IOC_FACTS_REPLY *facts; MPI2_IOC_FACTS_REQUEST req; - char msgver[8], sysctlname[128]; - size_t len, factslen; + size_t factslen; int error; - snprintf(sysctlname, sizeof(sysctlname), "dev.%s.%d.msg_version", - is_mps ? "mps" : "mpr", mps_unit); - - factslen = sizeof(MPI2_IOC_FACTS_REPLY); - len = sizeof(msgver); - error = sysctlbyname(sysctlname, msgver, &len, NULL, 0); - if (error == 0) { - if (strncmp(msgver, "2.6", sizeof(msgver)) == 0) - factslen += 4; - } + factslen = mps_get_ioc_factslen(fd); + if (factslen == 0) + return (NULL); facts = malloc(factslen); if (facts == NULL) { @@ -747,7 +761,7 @@ mps_get_iocfacts(int fd) return (NULL); } - bzero(&req, factslen); + bzero(&req, sizeof(req)); req.Function = MPI2_FUNCTION_IOC_FACTS; #if 1