From owner-svn-src-head@freebsd.org Fri Nov 8 01:13:12 2019 Return-Path: Delivered-To: svn-src-head@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id D61971A1D38; Fri, 8 Nov 2019 01:13:12 +0000 (UTC) (envelope-from np@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) server-signature RSA-PSS (4096 bits) client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 478Mhm5Hn4z4fFg; Fri, 8 Nov 2019 01:13:12 +0000 (UTC) (envelope-from np@FreeBSD.org) Received: from repo.freebsd.org (repo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:0]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id 996E21E8FA; Fri, 8 Nov 2019 01:13:12 +0000 (UTC) (envelope-from np@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id xA81DCxe032932; Fri, 8 Nov 2019 01:13:12 GMT (envelope-from np@FreeBSD.org) Received: (from np@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id xA81DC5L032931; Fri, 8 Nov 2019 01:13:12 GMT (envelope-from np@FreeBSD.org) Message-Id: <201911080113.xA81DC5L032931@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: np set sender to np@FreeBSD.org using -f From: Navdeep Parhar Date: Fri, 8 Nov 2019 01:13:12 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r354522 - head/sys/dev/cxgbe X-SVN-Group: head X-SVN-Commit-Author: np X-SVN-Commit-Paths: head/sys/dev/cxgbe X-SVN-Commit-Revision: 354522 X-SVN-Commit-Repository: base MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-head@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: SVN commit messages for the src tree for head/-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 08 Nov 2019 01:13:12 -0000 Author: np Date: Fri Nov 8 01:13:12 2019 New Revision: 354522 URL: https://svnweb.freebsd.org/changeset/base/354522 Log: cxgbe(4): Query Vdd from the firmware if its last known value is 0. TVSENSE may not be ready by the time t4_fw_initialize returns and the firmware returns 0 if the driver asks for the Vdd before the sensor is ready. MFC after: 1 week Sponsored by: Chelsio Communications Modified: head/sys/dev/cxgbe/t4_main.c Modified: head/sys/dev/cxgbe/t4_main.c ============================================================================== --- head/sys/dev/cxgbe/t4_main.c Fri Nov 8 00:01:37 2019 (r354521) +++ head/sys/dev/cxgbe/t4_main.c Fri Nov 8 01:13:12 2019 (r354522) @@ -656,6 +656,7 @@ static int sysctl_fec(SYSCTL_HANDLER_ARGS); static int sysctl_autoneg(SYSCTL_HANDLER_ARGS); static int sysctl_handle_t4_reg64(SYSCTL_HANDLER_ARGS); static int sysctl_temperature(SYSCTL_HANDLER_ARGS); +static int sysctl_vdd(SYSCTL_HANDLER_ARGS); static int sysctl_loadavg(SYSCTL_HANDLER_ARGS); static int sysctl_cctrl(SYSCTL_HANDLER_ARGS); static int sysctl_cim_ibq_obq(SYSCTL_HANDLER_ARGS); @@ -6153,8 +6154,8 @@ t4_sysctls(struct adapter *sc) CTLFLAG_RD, sc, 0, sysctl_loadavg, "A", "microprocessor load averages (debug firmwares only)"); - SYSCTL_ADD_INT(ctx, children, OID_AUTO, "core_vdd", CTLFLAG_RD, - &sc->params.core_vdd, 0, "core Vdd (in mV)"); + SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "core_vdd", CTLTYPE_INT | + CTLFLAG_RD, sc, 0, sysctl_vdd, "I", "core Vdd (in mV)"); SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "local_cpus", CTLTYPE_STRING | CTLFLAG_RD, sc, LOCAL_CPUS, @@ -7292,6 +7293,31 @@ sysctl_temperature(SYSCTL_HANDLER_ARGS) rc = sysctl_handle_int(oidp, &t, 0, req); return (rc); +} + +static int +sysctl_vdd(SYSCTL_HANDLER_ARGS) +{ + struct adapter *sc = arg1; + int rc; + uint32_t param, val; + + if (sc->params.core_vdd == 0) { + rc = begin_synchronized_op(sc, NULL, SLEEP_OK | INTR_OK, + "t4vdd"); + if (rc) + return (rc); + param = V_FW_PARAMS_MNEM(FW_PARAMS_MNEM_DEV) | + V_FW_PARAMS_PARAM_X(FW_PARAMS_PARAM_DEV_DIAG) | + V_FW_PARAMS_PARAM_Y(FW_PARAM_DEV_DIAG_VDD); + rc = -t4_query_params(sc, sc->mbox, sc->pf, 0, 1, ¶m, &val); + end_synchronized_op(sc, 0); + if (rc) + return (rc); + sc->params.core_vdd = val; + } + + return (sysctl_handle_int(oidp, &sc->params.core_vdd, 0, req)); } static int