Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S937278AbYCSV14 (ORCPT ); Wed, 19 Mar 2008 17:27:56 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1757501AbYCSUDJ (ORCPT ); Wed, 19 Mar 2008 16:03:09 -0400 Received: from adsl-67-113-118-6.dsl.sndg02.pacbell.net ([67.113.118.6]:34708 "EHLO multivac.one-eyed-alien.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754381AbYCSUDE (ORCPT ); Wed, 19 Mar 2008 16:03:04 -0400 Date: Wed, 19 Mar 2008 13:02:58 -0700 From: Matthew Dharm To: matthieu castet Cc: linux-usb@vger.kernel.org, Linux Kernel list , USB Storage List Subject: Re: [PATCH] mass storage : emulation of sat scsi_pass_thru with ATACB Message-ID: <20080319200258.GZ2820@one-eyed-alien.net> Mail-Followup-To: matthieu castet , linux-usb@vger.kernel.org, Linux Kernel list , USB Storage List References: <47D2F23A.4020103@free.fr> <20080308212148.GC2820@one-eyed-alien.net> <47D39E14.9050900@free.fr> <20080309184524.GF2820@one-eyed-alien.net> <47D459DA.20207@free.fr> <20080310012014.GG2820@one-eyed-alien.net> <47D99B01.1030709@free.fr> <20080314005139.GP2820@one-eyed-alien.net> <20080318221207.GY2820@one-eyed-alien.net> <47E15E34.4080204@free.fr> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="VIFPKPeEU/ajvd6j" Content-Disposition: inline In-Reply-To: <47E15E34.4080204@free.fr> User-Agent: Mutt/1.4.2.3i Organization: One Eyed Alien Networks X-Copyright: (C) 2008 Matthew Dharm, all rights reserved. X-Message-Flag: Get a real e-mail client. http://www.mutt.org/ X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-2.1.12 (multivac.one-eyed-alien.net [127.0.0.1]); Wed, 19 Mar 2008 13:02:58 -0700 (PDT) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 17158 Lines: 463 --VIFPKPeEU/ajvd6j Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Looks good to me. Greg, please apply. Signed-off-by: Matthew Dharm Matt On Wed, Mar 19, 2008 at 07:40:52PM +0100, matthieu castet wrote: >=20 > I have got a cypress usb-ide bridge and I would like to tune or monitor > my disk with tools like hdparm, hddtemp or smartctl. >=20 > My controller support a way to send raw ATA command to the disk with > something call atacb (see > http://download.cypress.com.edgesuite.net/design_resources/datasheets/con= tents/cy7c68300c_8.pdf). >=20 > Atacb support can be added for each application, but there is some disadv= antages : > - all application need to be patched > - A race is possible if there other accesses, because the emulation can > be split in 2 atacb scsi transactions. One for sending the command, one > for reading the register (if ck_cond is set).=20 >=20 > I have implemented the emulation in usb-storage with a special proto_hand= ler, > and an unsual entry. >=20 > Signed-off-by: Matthieu CASTET >=20 > Index: linux-2.6/drivers/usb/storage/unusual_devs.h > =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D > --- linux-2.6.orig/drivers/usb/storage/unusual_devs.h 2008-02-28 11:21:20= .000000000 +0100 > +++ linux-2.6/drivers/usb/storage/unusual_devs.h 2008-03-13 21:19:21.0000= 00000 +0100 > @@ -1620,6 +1620,14 @@ > US_SC_DEVICE, US_PR_DEVICE, NULL, > US_FL_CAPACITY_HEURISTICS), > =20 > +#ifdef CONFIG_USB_STORAGE_CYPRESS_ATACB > +UNUSUAL_DEV( 0x04b4, 0x6830, 0x0000, 0x9999, > + "Cypress", > + "Cypress AT2LP", > + US_SC_CYP_ATACB, US_PR_BULK, NULL, > + 0), > +#endif > + > /* Control/Bulk transport for all SubClass values */ > USUAL_DEV(US_SC_RBC, US_PR_CB, USB_US_TYPE_STOR), > USUAL_DEV(US_SC_8020, US_PR_CB, USB_US_TYPE_STOR), > Index: linux-2.6/drivers/usb/storage/cypress_atacb.c > =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D > --- /dev/null 1970-01-01 00:00:00.000000000 +0000 > +++ linux-2.6/drivers/usb/storage/cypress_atacb.c 2008-03-19 19:34:11.000= 000000 +0100 > @@ -0,0 +1,200 @@ > +/* > + * Support for emulating SAT (ata pass through) on devices based > + * on the Cypress USB/ATA bridge supporting ATACB. > + * > + * Copyright (c) 2008 Matthieu Castet (castet.matthieu@free.fr) > + * > + * This program is free software; you can redistribute it and/or modify = it > + * under the terms of the GNU General Public License as published by the > + * Free Software Foundation; either version 2, or (at your option) any > + * later version. > + * > + * This program is distributed in the hope that it will be useful, but > + * WITHOUT ANY WARRANTY; without even the implied warranty of > + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU > + * General Public License for more details. > + * > + * You should have received a copy of the GNU General Public License alo= ng > + * with this program; if not, write to the Free Software Foundation, Inc= ., > + * 675 Mass Ave, Cambridge, MA 02139, USA. > + */ > + > +#include > +#include > +#include > +#include > + > +#include "usb.h" > +#include "protocol.h" > +#include "scsiglue.h" > +#include "debug.h" > + > +/* > + * ATACB is a protocol used on cypress usb<->ata bridge to > + * send raw ATA command over mass storage > + * There is a ATACB2 protocol that support LBA48 on newer chip. > + * More info that be found on cy7c68310_8.pdf and cy7c68300c_8.pdf > + * datasheet from cypress.com. > + */ > +void cypress_atacb_passthrough(struct scsi_cmnd *srb, struct us_data *us) > +{ > + unsigned char save_cmnd[MAX_COMMAND_SIZE]; > + > + if (likely(srb->cmnd[0] !=3D ATA_16 && srb->cmnd[0] !=3D ATA_12)) { > + usb_stor_transparent_scsi_command(srb, us); > + return; > + } > + > + memcpy(save_cmnd, srb->cmnd, sizeof(save_cmnd)); > + memset(srb->cmnd, 0, sizeof(srb->cmnd)); > + > + /* check if we support the command */ > + if (save_cmnd[1] >> 5) /* MULTIPLE_COUNT */ > + goto invalid_fld; > + /* check protocol */ > + switch((save_cmnd[1] >> 1) & 0xf) { > + case 3: /*no DATA */ > + case 4: /* PIO in */ > + case 5: /* PIO out */ > + break; > + default: > + goto invalid_fld; > + } > + > + /* first build the ATACB command */ > + srb->cmd_len =3D 16; > + > + srb->cmnd[0] =3D 0x24; /* bVSCBSignature : vendor-specific command > + this value can change, but most(all ?) manufact= urers > + keep the cypress default : 0x24 */ > + srb->cmnd[1] =3D 0x24; /* bVSCBSubCommand : 0x24 for ATACB */ > + > + srb->cmnd[3] =3D 0xff - 1; /* features, sector count, lba low, lba med > + lba high, device, command are valid */ > + srb->cmnd[4] =3D 1; /* TransferBlockCount : 512 */ > + > + if (save_cmnd[0] =3D=3D ATA_16) { > + srb->cmnd[ 6] =3D save_cmnd[ 4]; /* features */ > + srb->cmnd[ 7] =3D save_cmnd[ 6]; /* sector count */ > + srb->cmnd[ 8] =3D save_cmnd[ 8]; /* lba low */ > + srb->cmnd[ 9] =3D save_cmnd[10]; /* lba med */ > + srb->cmnd[10] =3D save_cmnd[12]; /* lba high */ > + srb->cmnd[11] =3D save_cmnd[13]; /* device */ > + srb->cmnd[12] =3D save_cmnd[14]; /* command */ > + > + if (save_cmnd[1] & 0x01) {/* extended bit set for LBA48 */ > + /* this could be supported by atacb2 */ > + if (save_cmnd[3] || save_cmnd[5] || save_cmnd[7] || save_cmnd[9] > + || save_cmnd[11]) > + goto invalid_fld; > + } > + } > + else { /* ATA12 */ > + srb->cmnd[ 6] =3D save_cmnd[3]; /* features */ > + srb->cmnd[ 7] =3D save_cmnd[4]; /* sector count */ > + srb->cmnd[ 8] =3D save_cmnd[5]; /* lba low */ > + srb->cmnd[ 9] =3D save_cmnd[6]; /* lba med */ > + srb->cmnd[10] =3D save_cmnd[7]; /* lba high */ > + srb->cmnd[11] =3D save_cmnd[8]; /* device */ > + srb->cmnd[12] =3D save_cmnd[9]; /* command */ > + > + } > + /* Filter SET_FEATURES - XFER MODE command */ > + if ((srb->cmnd[12] =3D=3D ATA_CMD_SET_FEATURES) > + && (srb->cmnd[6] =3D=3D SETFEATURES_XFER)) > + goto invalid_fld; > + > + if (srb->cmnd[12] =3D=3D ATA_CMD_ID_ATA || srb->cmnd[12] =3D=3D ATA_CMD= _ID_ATAPI) > + srb->cmnd[2] |=3D (1<<7); /* set IdentifyPacketDevice for these cmds = */ > + > + > + usb_stor_transparent_scsi_command(srb, us); > + > + /* if the device doesn't support ATACB > + */ > + if (srb->result =3D=3D SAM_STAT_CHECK_CONDITION && > + memcmp(srb->sense_buffer, usb_stor_sense_invalidCDB, > + sizeof(usb_stor_sense_invalidCDB)) =3D=3D 0) { > + US_DEBUGP("cypress atacb not supported ???\n"); > + goto end; > + } > + > + /* if ck_cond flags is set, and there wasn't critical error, > + * build the special sense > + */ > + if ((srb->result !=3D (DID_ERROR << 16) && > + srb->result !=3D (DID_ABORT << 16)) && > + save_cmnd[2] & 0x20) { > + struct scsi_eh_save ses; > + unsigned char regs[8]; > + unsigned char *sb =3D srb->sense_buffer; > + unsigned char *desc =3D sb + 8; > + int tmp_result; > + > + /* build the command for > + * reading the ATA registers */ > + scsi_eh_prep_cmnd(srb, &ses, NULL, 0, 0); > + srb->sdb.length =3D sizeof(regs); > + sg_init_one(&ses.sense_sgl, regs, srb->sdb.length); > + srb->sdb.table.sgl =3D &ses.sense_sgl; > + srb->sc_data_direction =3D DMA_FROM_DEVICE; > + srb->sdb.table.nents =3D 1; > + /* we use the same command as before, but we set > + * the read taskfile bit, for not executing atacb command, > + * but reading register selected in srb->cmnd[4] > + */ > + srb->cmnd[2] =3D 1; > + > + usb_stor_transparent_scsi_command(srb, us); > + tmp_result =3D srb->result; > + scsi_eh_restore_cmnd(srb, &ses); > + /* we fail to get registers, report invalid command */ > + if (tmp_result !=3D SAM_STAT_GOOD) > + goto invalid_fld; > + > + /* build the sense */ > + memset(sb, 0, SCSI_SENSE_BUFFERSIZE); > + > + /* set sk, asc for a good command */ > + sb[1] =3D RECOVERED_ERROR; > + sb[2] =3D 0; /* ATA PASS THROUGH INFORMATION AVAILABLE */ > + sb[3] =3D 0x1D; > + > + /* XXX we should generate sk, asc, ascq from status and error > + * regs > + * (see 11.1 Error translation ? ATA device error to SCSI error map) > + * and ata_to_sense_error from libata. > + */ > + > + /* Sense data is current and format is descriptor. */ > + sb[0] =3D 0x72; > + desc[0] =3D 0x09; /* ATA_RETURN_DESCRIPTOR */ > + > + /* set length of additional sense data */ > + sb[7] =3D 14; > + desc[1] =3D 12; > + > + /* Copy registers into sense buffer. */ > + desc[ 2] =3D 0x00; > + desc[ 3] =3D regs[1]; /* features */ > + desc[ 5] =3D regs[2]; /* sector count */ > + desc[ 7] =3D regs[3]; /* lba low */ > + desc[ 9] =3D regs[4]; /* lba med */ > + desc[11] =3D regs[5]; /* lba high */ > + desc[12] =3D regs[6]; /* device */ > + desc[13] =3D regs[7]; /* command */ > + > + srb->result =3D (DRIVER_SENSE << 24) | SAM_STAT_CHECK_CONDITION; > + } > + goto end; > +invalid_fld: > + srb->result =3D (DRIVER_SENSE << 24) | SAM_STAT_CHECK_CONDITION; > + > + memcpy(srb->sense_buffer, > + usb_stor_sense_invalidCDB, > + sizeof(usb_stor_sense_invalidCDB)); > +end: > + memcpy(srb->cmnd, save_cmnd, sizeof(save_cmnd)); > + if (srb->cmnd[0] =3D=3D ATA_12) > + srb->cmd_len =3D 12; > +} > Index: linux-2.6/drivers/usb/storage/cypress_atacb.h > =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D > --- /dev/null 1970-01-01 00:00:00.000000000 +0000 > +++ linux-2.6/drivers/usb/storage/cypress_atacb.h 2008-03-13 21:19:21.000= 000000 +0100 > @@ -0,0 +1,25 @@ > +/* > + * Support for emulating SAT (ata pass through) on devices based > + * on the Cypress USB/ATA bridge supporting ATACB. > + * > + * Copyright (c) 2008 Matthieu Castet (castet.matthieu@free.fr) > + * > + * This program is free software; you can redistribute it and/or modify = it > + * under the terms of the GNU General Public License as published by the > + * Free Software Foundation; either version 2, or (at your option) any > + * later version. > + * > + * This program is distributed in the hope that it will be useful, but > + * WITHOUT ANY WARRANTY; without even the implied warranty of > + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU > + * General Public License for more details. > + * > + * You should have received a copy of the GNU General Public License alo= ng > + * with this program; if not, write to the Free Software Foundation, Inc= ., > + * 675 Mass Ave, Cambridge, MA 02139, USA. > + */ > + > +#ifndef _CYPRESS_ATACB_H_ > +#define _CYPRESS_ATACB_H_ > +extern void cypress_atacb_passthrough(struct scsi_cmnd*, struct us_data*= ); > +#endif > Index: linux-2.6/drivers/usb/storage/Kconfig > =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D > --- linux-2.6.orig/drivers/usb/storage/Kconfig 2007-11-29 11:03:48.000000= 000 +0100 > +++ linux-2.6/drivers/usb/storage/Kconfig 2008-03-13 21:19:21.000000000 += 0100 > @@ -145,6 +145,17 @@ > on the resulting scsi device node returns the Karma to normal > operation. > =20 > +config USB_STORAGE_CYPRESS_ATACB > + bool "SAT emulation on Cypress USB/ATA Bridge with ATACB" > + depends on USB_STORAGE > + ---help--- > + Say Y here if you want to use SAT (ata pass through) on devices based > + on the Cypress USB/ATA bridge supporting ATACB. This will allow you > + to use tools to tune and monitor your drive (like hdparm or smartctl). > + > + If you say no here your device will still work with the standard usb > + mass storage class. > + > config USB_LIBUSUAL > bool "The shared table of common (or usual) storage devices" > depends on USB > Index: linux-2.6/drivers/usb/storage/Makefile > =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D > --- linux-2.6.orig/drivers/usb/storage/Makefile 2007-06-08 14:22:39.00000= 0000 +0200 > +++ linux-2.6/drivers/usb/storage/Makefile 2008-03-13 21:19:21.000000000 = +0100 > @@ -21,6 +21,7 @@ > usb-storage-obj-$(CONFIG_USB_STORAGE_ALAUDA) +=3D alauda.o > usb-storage-obj-$(CONFIG_USB_STORAGE_ONETOUCH) +=3D onetouch.o > usb-storage-obj-$(CONFIG_USB_STORAGE_KARMA) +=3D karma.o > +usb-storage-obj-$(CONFIG_USB_STORAGE_CYPRESS_ATACB) +=3D cypress_atacb.o > =20 > usb-storage-objs :=3D scsiglue.o protocol.o transport.o usb.o \ > initializers.o $(usb-storage-obj-y) > Index: linux-2.6/drivers/usb/storage/scsiglue.c > =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D > --- linux-2.6.orig/drivers/usb/storage/scsiglue.c 2008-02-05 09:42:21.000= 000000 +0100 > +++ linux-2.6/drivers/usb/storage/scsiglue.c 2008-03-13 21:19:21.00000000= 0 +0100 > @@ -132,7 +132,7 @@ > /* Disk-type devices use MODE SENSE(6) if the protocol > * (SubClass) is Transparent SCSI, otherwise they use > * MODE SENSE(10). */ > - if (us->subclass !=3D US_SC_SCSI) > + if (us->subclass !=3D US_SC_SCSI && us->subclass !=3D US_SC_CYP_ATACB) > sdev->use_10_for_ms =3D 1; > =20 > /* Many disks only accept MODE SENSE transfer lengths of > Index: linux-2.6/drivers/usb/storage/transport.c > =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D > --- linux-2.6.orig/drivers/usb/storage/transport.c 2008-02-28 11:21:20.00= 0000000 +0100 > +++ linux-2.6/drivers/usb/storage/transport.c 2008-03-13 21:19:21.0000000= 00 +0100 > @@ -603,7 +603,8 @@ > scsi_eh_prep_cmnd(srb, &ses, NULL, 0, US_SENSE_SIZE); > =20 > /* FIXME: we must do the protocol translation here */ > - if (us->subclass =3D=3D US_SC_RBC || us->subclass =3D=3D US_SC_SCSI) > + if (us->subclass =3D=3D US_SC_RBC || us->subclass =3D=3D US_SC_SCSI || > + us->subclass =3D=3D US_SC_CYP_ATACB) > srb->cmd_len =3D 6; > else > srb->cmd_len =3D 12; > Index: linux-2.6/drivers/usb/storage/usb.c > =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D > --- linux-2.6.orig/drivers/usb/storage/usb.c 2007-11-29 11:03:48.00000000= 0 +0100 > +++ linux-2.6/drivers/usb/storage/usb.c 2008-03-13 21:19:21.000000000 +01= 00 > @@ -101,6 +101,9 @@ > #ifdef CONFIG_USB_STORAGE_KARMA > #include "karma.h" > #endif > +#ifdef CONFIG_USB_STORAGE_CYPRESS_ATACB > +#include "cypress_atacb.h" > +#endif > =20 > /* Some informational data */ > MODULE_AUTHOR("Matthew Dharm "); > @@ -708,6 +711,13 @@ > break; > #endif > =20 > +#ifdef CONFIG_USB_STORAGE_CYPRESS_ATACB > + case US_SC_CYP_ATACB: > + us->protocol_name =3D "Transparent SCSI with Cypress ATACB"; > + us->proto_handler =3D cypress_atacb_passthrough; > + break; > +#endif > + > default: > return -EIO; > } > Index: linux-2.6/include/linux/usb_usual.h > =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D > --- linux-2.6.orig/include/linux/usb_usual.h 2008-02-05 09:42:23.00000000= 0 +0100 > +++ linux-2.6/include/linux/usb_usual.h 2008-03-13 21:20:33.000000000 +01= 00 > @@ -83,6 +83,7 @@ > #define US_SC_LOCKABLE 0x07 /* Password-protected */ > =20 > #define US_SC_ISD200 0xf0 /* ISD200 ATA */ > +#define US_SC_CYP_ATACB 0xf1 /* Cypress ATACB */ > #define US_SC_DEVICE 0xff /* Use device's value */ > =20 > /* Protocols */ --=20 Matthew Dharm Home: mdharm-usb@one-eyed-alien.= net=20 Maintainer, Linux USB Mass Storage Driver I could always suspend a few hundred accounts and watch what happens. -- Tanya User Friendly, 7/31/1998 --VIFPKPeEU/ajvd6j Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.7 (GNU/Linux) iD8DBQFH4XFyHL9iwnUZqnkRAiVeAJ0c5P8hCvFJZDcevLMRH1jp739CJACeKK1c ZcfoPlDJCb1mlFMrgCfaDXY= =vb65 -----END PGP SIGNATURE----- --VIFPKPeEU/ajvd6j-- -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/