From owner-svn-src-head@freebsd.org Tue Sep 3 14:07:28 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 DCCA3DD4D1; Tue, 3 Sep 2019 14:07:06 +0000 (UTC) (envelope-from yuripv@freebsd.org) Received: from freefall.freebsd.org (freefall.freebsd.org [IPv6:2610:1c1:1:6074::16:84]) (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 "freefall.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 46N80B375Nz4QFB; Tue, 3 Sep 2019 14:07:06 +0000 (UTC) (envelope-from yuripv@freebsd.org) Received: by freefall.freebsd.org (Postfix, from userid 1452) id 422711B0B8; Tue, 3 Sep 2019 14:06:28 +0000 (UTC) X-Original-To: yuripv@localmail.freebsd.org Delivered-To: yuripv@localmail.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [96.47.72.80]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) (Client CN "mx1.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by freefall.freebsd.org (Postfix) with ESMTPS id 369C010A69; 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Fri, 19 Apr 2019 02:28:05 +0000 (UTC) (envelope-from jhibbits@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 1138727E4E; Fri, 19 Apr 2019 02:28:05 +0000 (UTC) (envelope-from jhibbits@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id x3J2S4bL050208; Fri, 19 Apr 2019 02:28:04 GMT (envelope-from jhibbits@FreeBSD.org) Received: (from jhibbits@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id x3J2S4LV050207; Fri, 19 Apr 2019 02:28:04 GMT (envelope-from jhibbits@FreeBSD.org) Message-Id: <201904190228.x3J2S4LV050207@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: jhibbits set sender to jhibbits@FreeBSD.org using -f From: Justin Hibbits To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r346363 - head/sys/powerpc/powernv X-SVN-Group: head X-SVN-Commit-Author: jhibbits X-SVN-Commit-Paths: head/sys/powerpc/powernv X-SVN-Commit-Revision: 346363 X-SVN-Commit-Repository: base MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk X-Loop: FreeBSD.org Sender: owner-src-committers@freebsd.org X-Rspamd-Queue-Id: 58EC2897AF X-Spamd-Bar: -- Authentication-Results: mx1.freebsd.org X-Spamd-Result: default: False [-2.94 / 15.00]; local_wl_from(0.00)[freebsd.org]; NEURAL_HAM_MEDIUM(-1.00)[-0.999,0]; NEURAL_HAM_SHORT(-0.95)[-0.946,0]; ASN(0.00)[asn:11403, ipnet:96.47.64.0/20, country:US]; NEURAL_HAM_LONG(-1.00)[-1.000,0] Status: O X-BeenThere: svn-src-head@freebsd.org X-Mailman-Version: 2.1.29 List-Id: SVN commit messages for the src tree for head/-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Date: Tue, 03 Sep 2019 14:07:29 -0000 X-Original-Date: Fri, 19 Apr 2019 02:28:04 +0000 (UTC) X-List-Received-Date: Tue, 03 Sep 2019 14:07:29 -0000 Author: jhibbits Date: Fri Apr 19 02:28:04 2019 New Revision: 346363 URL: https://svnweb.freebsd.org/changeset/base/346363 Log: powerpc/powernv: Make erasing before writes optional If the OPAL flash driver supports writing without erase, it adds a 'no-erase' property to the flash device node. Honor that property and don't bother erasing if it exists. Modified: head/sys/powerpc/powernv/opal_flash.c Modified: head/sys/powerpc/powernv/opal_flash.c ============================================================================== --- head/sys/powerpc/powernv/opal_flash.c Fri Apr 19 00:32:13 2019 (r346362) +++ head/sys/powerpc/powernv/opal_flash.c Fri Apr 19 02:28:04 2019 (r346363) @@ -69,6 +69,7 @@ struct opalflash_softc { struct proc *sc_p; struct bio_queue_head sc_bio_queue; int sc_opal_id; + bool sc_erase; /* Erase is needed before write. */ }; #define OPALFLASH_LOCK(sc) mtx_lock(&(sc)->sc_mtx) @@ -242,10 +243,12 @@ opalflash_write(struct opalflash_softc *sc, off_t off, count % sc->sc_disk->d_stripesize != 0) return (EIO); - /* Erase the full block first, then write in page chunks. */ - rv = opalflash_erase(sc, off, count); - if (rv != 0) - return (rv); + if (sc->sc_erase) { + /* Erase the full block first, then write in page chunks. */ + rv = opalflash_erase(sc, off, count); + if (rv != 0) + return (rv); + } token = opal_alloc_async_token(); @@ -354,6 +357,9 @@ opalflash_attach(device_t dev) device_printf(dev, "Cannot determine flash block size.\n"); return (ENXIO); } + + if (!OF_hasprop(node, "no-erase")) + sc->sc_erase = true; OPALFLASH_LOCK_INIT(sc);