From owner-svn-src-stable-12@freebsd.org Fri Jan 11 11:42:27 2019 Return-Path: Delivered-To: svn-src-stable-12@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id D07F7148B97B; Fri, 11 Jan 2019 11:42:26 +0000 (UTC) (envelope-from avg@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 72ACD95299; Fri, 11 Jan 2019 11:42:26 +0000 (UTC) (envelope-from avg@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 66ADF1B37E; Fri, 11 Jan 2019 11:42:26 +0000 (UTC) (envelope-from avg@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id x0BBgQxg016492; Fri, 11 Jan 2019 11:42:26 GMT (envelope-from avg@FreeBSD.org) Received: (from avg@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id x0BBgQdJ016491; Fri, 11 Jan 2019 11:42:26 GMT (envelope-from avg@FreeBSD.org) Message-Id: <201901111142.x0BBgQdJ016491@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: avg set sender to avg@FreeBSD.org using -f From: Andriy Gapon Date: Fri, 11 Jan 2019 11:42:26 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-12@freebsd.org Subject: svn commit: r342938 - stable/12/sys/cam/scsi X-SVN-Group: stable-12 X-SVN-Commit-Author: avg X-SVN-Commit-Paths: stable/12/sys/cam/scsi X-SVN-Commit-Revision: 342938 X-SVN-Commit-Repository: base MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Rspamd-Queue-Id: 72ACD95299 X-Spamd-Bar: -- Authentication-Results: mx1.freebsd.org X-Spamd-Result: default: False [-2.95 / 15.00]; local_wl_from(0.00)[FreeBSD.org]; NEURAL_HAM_MEDIUM(-1.00)[-0.999,0]; NEURAL_HAM_SHORT(-0.96)[-0.957,0]; ASN(0.00)[asn:11403, ipnet:2610:1c1:1::/48, country:US]; NEURAL_HAM_LONG(-1.00)[-0.998,0] X-BeenThere: svn-src-stable-12@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: SVN commit messages for only the 12-stable src tree List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 11 Jan 2019 11:42:27 -0000 Author: avg Date: Fri Jan 11 11:42:25 2019 New Revision: 342938 URL: https://svnweb.freebsd.org/changeset/base/342938 Log: MFC r342169: add a knob that disables detection of write protected disks PR: 225794 Modified: stable/12/sys/cam/scsi/scsi_da.c Directory Properties: stable/12/ (props changed) Modified: stable/12/sys/cam/scsi/scsi_da.c ============================================================================== --- stable/12/sys/cam/scsi/scsi_da.c Fri Jan 11 11:32:46 2019 (r342937) +++ stable/12/sys/cam/scsi/scsi_da.c Fri Jan 11 11:42:25 2019 (r342938) @@ -1466,6 +1466,7 @@ static int da_retry_count = DA_DEFAULT_RETRY; static int da_default_timeout = DA_DEFAULT_TIMEOUT; static sbintime_t da_default_softtimeout = DA_DEFAULT_SOFTTIMEOUT; static int da_send_ordered = DA_DEFAULT_SEND_ORDERED; +static int da_disable_wp_detection = 0; static SYSCTL_NODE(_kern_cam, OID_AUTO, da, CTLFLAG_RD, 0, "CAM Direct Access Disk driver"); @@ -1477,6 +1478,9 @@ SYSCTL_INT(_kern_cam_da, OID_AUTO, default_timeout, CT &da_default_timeout, 0, "Normal I/O timeout (in seconds)"); SYSCTL_INT(_kern_cam_da, OID_AUTO, send_ordered, CTLFLAG_RWTUN, &da_send_ordered, 0, "Send Ordered Tags"); +SYSCTL_INT(_kern_cam_da, OID_AUTO, disable_wp_detection, CTLFLAG_RWTUN, + &da_disable_wp_detection, 0, + "Disable detection of write-protected disks"); SYSCTL_PROC(_kern_cam_da, OID_AUTO, default_softtimeout, CTLTYPE_UINT | CTLFLAG_RW, NULL, 0, dasysctlsofttimeout, "I", @@ -3320,12 +3324,22 @@ out: void *mode_buf; int mode_buf_len; + if (da_disable_wp_detection) { + if ((softc->flags & DA_FLAG_CAN_RC16) != 0) + softc->state = DA_STATE_PROBE_RC16; + else + softc->state = DA_STATE_PROBE_RC; + goto skipstate; + } mode_buf_len = 192; mode_buf = malloc(mode_buf_len, M_SCSIDA, M_NOWAIT); if (mode_buf == NULL) { xpt_print(periph->path, "Unable to send mode sense - " "malloc failure\n"); - softc->state = DA_STATE_PROBE_RC; + if ((softc->flags & DA_FLAG_CAN_RC16) != 0) + softc->state = DA_STATE_PROBE_RC16; + else + softc->state = DA_STATE_PROBE_RC; goto skipstate; } scsi_mode_sense_len(&start_ccb->csio,