From patchwork Tue Aug 17 09:14:26 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hannes Reinecke X-Patchwork-Id: 12441069 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-18.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 61028C4320A for ; Tue, 17 Aug 2021 09:17:12 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 4E5DF60F11 for ; Tue, 17 Aug 2021 09:17:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239719AbhHQJRn (ORCPT ); Tue, 17 Aug 2021 05:17:43 -0400 Received: from smtp-out2.suse.de ([195.135.220.29]:47568 "EHLO smtp-out2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S239369AbhHQJRR (ORCPT ); Tue, 17 Aug 2021 05:17:17 -0400 Received: from relay2.suse.de (relay2.suse.de [149.44.160.134]) by smtp-out2.suse.de (Postfix) with ESMTP id 30E0E2001E; Tue, 17 Aug 2021 09:16:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_rsa; t=1629191802; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=UJb1IBWuSk2r7ui782/pWNT3C8FG0uroxhhZllr4sPw=; b=uW18VO8VoS3OpLcOIeXvqvIv8Kfhk7RHpVcEQDC1eRWiF/pR14njMbmzVLDaQmIBVI55xU wl5dtU6gdDmMXTAce4EDGzCO+MWLaUqt9pTHRs2dcT36oziaLn2VFq+w6QAfwaMI4S1/60 E4nIGJaajRpoZ1RWeCBVbfGaAITZa7s= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_ed25519; t=1629191802; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=UJb1IBWuSk2r7ui782/pWNT3C8FG0uroxhhZllr4sPw=; b=jallY+OYiLXLed9a/AVjSQ751Ca3dfsN0mYBltQw6re0LS0VxHJbTtro0rj+kaUQdrtDlU damR+bQHSVbWwXCA== Received: from adalid.arch.suse.de (adalid.arch.suse.de [10.161.8.13]) by relay2.suse.de (Postfix) with ESMTP id 29B64A3BA5; Tue, 17 Aug 2021 09:16:42 +0000 (UTC) Received: by adalid.arch.suse.de (Postfix, from userid 16045) id 256D5518CE89; Tue, 17 Aug 2021 11:16:42 +0200 (CEST) From: Hannes Reinecke To: "Martin K. Petersen" Cc: Christoph Hellwig , James Bottomley , linux-scsi@vger.kernel.org, Hannes Reinecke , Hannes Reinecke Subject: [PATCH 21/51] scsi: Use Scsi_Host and channel number as argument for eh_bus_reset_handler() Date: Tue, 17 Aug 2021 11:14:26 +0200 Message-Id: <20210817091456.73342-22-hare@suse.de> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20210817091456.73342-1-hare@suse.de> References: <20210817091456.73342-1-hare@suse.de> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org The bus reset should not depend on any command, but rather only use the SCSI Host and the channel/bus number as argument. Signed-off-by: Hannes Reinecke --- Documentation/scsi/scsi_eh.rst | 2 +- Documentation/scsi/scsi_mid_low_api.rst | 5 ++- drivers/message/fusion/mptfc.c | 13 +++---- drivers/message/fusion/mptscsih.c | 21 ++++------- drivers/message/fusion/mptscsih.h | 2 +- drivers/scsi/a100u2w.c | 4 +- drivers/scsi/aacraid/linit.c | 11 +++--- drivers/scsi/aha152x.c | 4 +- drivers/scsi/aha1542.c | 4 +- drivers/scsi/aic7xxx/aic79xx_osm.c | 10 ++--- drivers/scsi/aic7xxx/aic7xxx_osm.c | 6 +-- drivers/scsi/arcmsr/arcmsr_hba.c | 6 +-- drivers/scsi/arm/fas216.c | 9 +++-- drivers/scsi/arm/fas216.h | 5 ++- drivers/scsi/dc395x.c | 25 ++++++------- drivers/scsi/dpt_i2o.c | 9 +++-- drivers/scsi/dpti.h | 2 +- drivers/scsi/esas2r/esas2r.h | 2 +- drivers/scsi/esas2r/esas2r_main.c | 4 +- drivers/scsi/esp_scsi.c | 4 +- drivers/scsi/initio.c | 11 +++--- drivers/scsi/mpi3mr/mpi3mr_os.c | 37 +++++++++++-------- drivers/scsi/ncr53c8xx.c | 4 +- drivers/scsi/pcmcia/nsp_cs.c | 6 +-- drivers/scsi/pcmcia/nsp_cs.h | 2 +- drivers/scsi/pmcraid.c | 7 ++-- drivers/scsi/qla1280.c | 12 +++--- drivers/scsi/qla2xxx/qla_os.c | 17 +++------ drivers/scsi/scsi_debug.c | 31 ++++++---------- drivers/scsi/scsi_error.c | 2 +- drivers/scsi/sym53c8xx_2/sym_glue.c | 7 ++-- drivers/scsi/vmw_pvscsi.c | 5 +-- drivers/scsi/wd719x.c | 11 +++--- .../staging/unisys/visorhba/visorhba_main.c | 5 +-- drivers/usb/storage/scsiglue.c | 4 +- include/scsi/scsi_host.h | 2 +- 36 files changed, 148 insertions(+), 163 deletions(-) diff --git a/Documentation/scsi/scsi_eh.rst b/Documentation/scsi/scsi_eh.rst index 1ca451ad57df..cf0649e0c3a9 100644 --- a/Documentation/scsi/scsi_eh.rst +++ b/Documentation/scsi/scsi_eh.rst @@ -215,7 +215,7 @@ considered to fail always. int (* eh_abort_handler)(struct scsi_cmnd *); int (* eh_device_reset_handler)(struct scsi_cmnd *); - int (* eh_bus_reset_handler)(struct scsi_cmnd *); + int (* eh_bus_reset_handler)(struct Scsi_Host *, int); int (* eh_host_reset_handler)(struct Scsi_Host *); Higher-severity actions are taken only when lower-severity actions diff --git a/Documentation/scsi/scsi_mid_low_api.rst b/Documentation/scsi/scsi_mid_low_api.rst index 784587ea7eee..1b1c37445580 100644 --- a/Documentation/scsi/scsi_mid_low_api.rst +++ b/Documentation/scsi/scsi_mid_low_api.rst @@ -741,7 +741,8 @@ Details:: /** * eh_bus_reset_handler - issue SCSI bus reset - * @scp: SCSI bus that contains this device should be reset + * @host: SCSI Host that contains the channel which should be reset + * @channel: channel to be reset * * Returns SUCCESS if command aborted else FAILED * @@ -754,7 +755,7 @@ Details:: * * Optionally defined in: LLD **/ - int eh_bus_reset_handler(struct scsi_cmnd * scp) + int eh_bus_reset_handler(struct Scsi_Host * host, int channel) /** diff --git a/drivers/message/fusion/mptfc.c b/drivers/message/fusion/mptfc.c index 578e762da28d..0cc8c0b795dc 100644 --- a/drivers/message/fusion/mptfc.c +++ b/drivers/message/fusion/mptfc.c @@ -103,7 +103,7 @@ static void mptfc_set_rport_loss_tmo(struct fc_rport *rport, uint32_t timeout); static void mptfc_remove(struct pci_dev *pdev); static int mptfc_abort(struct scsi_cmnd *SCpnt); static int mptfc_dev_reset(struct scsi_cmnd *SCpnt); -static int mptfc_bus_reset(struct scsi_cmnd *SCpnt); +static int mptfc_bus_reset(struct Scsi_Host *shost, int channel); static struct scsi_host_template mptfc_driver_template = { .module = THIS_MODULE, @@ -259,11 +259,9 @@ mptfc_dev_reset(struct scsi_cmnd *SCpnt) } static int -mptfc_bus_reset(struct scsi_cmnd *SCpnt) +mptfc_bus_reset(struct Scsi_Host *shost, int channel) { - struct Scsi_Host *shost = SCpnt->device->host; MPT_SCSI_HOST __maybe_unused *hd = shost_priv(shost); - int channel = SCpnt->device->channel; struct mptfc_rport_info *ri; int rtn; @@ -280,10 +278,9 @@ mptfc_bus_reset(struct scsi_cmnd *SCpnt) } if (rtn == 0) { dfcprintk (hd->ioc, printk(MYIOC_s_DEBUG_FMT - "%s.%d: %d:%llu, executing recovery.\n", __func__, - hd->ioc->name, shost->host_no, - SCpnt->device->id, SCpnt->device->lun)); - rtn = mptscsih_bus_reset(SCpnt); + "%s.%d: 0:0, executing recovery.\n", __func__, + hd->ioc->name, shost->host_no)); + rtn = mptscsih_bus_reset(shost, channel); } return rtn; } diff --git a/drivers/message/fusion/mptscsih.c b/drivers/message/fusion/mptscsih.c index 3bf06dfcd4f9..c1f6aeae514d 100644 --- a/drivers/message/fusion/mptscsih.c +++ b/drivers/message/fusion/mptscsih.c @@ -1914,39 +1914,34 @@ mptscsih_target_reset(struct scsi_cmnd * SCpnt) * Returns SUCCESS or FAILED. **/ int -mptscsih_bus_reset(struct scsi_cmnd * SCpnt) +mptscsih_bus_reset(struct Scsi_Host * shost, int channel) { MPT_SCSI_HOST *hd; int retval; - VirtDevice *vdevice; MPT_ADAPTER *ioc; /* If we can't locate our host adapter structure, return FAILED status. */ - if ((hd = shost_priv(SCpnt->device->host)) == NULL){ + if ((hd = shost_priv(shost)) == NULL){ printk(KERN_ERR MYNAM ": bus reset: " - "Can't locate host! (sc=%p)\n", SCpnt); + "Can't locate host!\n"); return FAILED; } ioc = hd->ioc; - printk(MYIOC_s_INFO_FMT "attempting bus reset! (sc=%p)\n", - ioc->name, SCpnt); - scsi_print_command(SCpnt); + printk(MYIOC_s_INFO_FMT "attempting bus reset!\n", + ioc->name); if (ioc->timeouts < -1) ioc->timeouts++; - vdevice = SCpnt->device->hostdata; - if (!vdevice || !vdevice->vtarget) - return SUCCESS; retval = mptscsih_IssueTaskMgmt(hd, MPI_SCSITASKMGMT_TASKTYPE_RESET_BUS, - vdevice->vtarget->channel, 0, 0, 0, + channel, 0, 0, 0, mptscsih_get_tm_timeout(ioc)); - printk(MYIOC_s_INFO_FMT "bus reset: %s (sc=%p)\n", - ioc->name, ((retval == 0) ? "SUCCESS" : "FAILED" ), SCpnt); + printk(MYIOC_s_INFO_FMT "bus reset: %s\n", + ioc->name, ((retval == 0) ? "SUCCESS" : "FAILED" )); if (retval == 0) return SUCCESS; diff --git a/drivers/message/fusion/mptscsih.h b/drivers/message/fusion/mptscsih.h index 50af52a81505..54f260482f77 100644 --- a/drivers/message/fusion/mptscsih.h +++ b/drivers/message/fusion/mptscsih.h @@ -121,7 +121,7 @@ extern int mptscsih_slave_configure(struct scsi_device *device); extern int mptscsih_abort(struct scsi_cmnd * SCpnt); extern int mptscsih_dev_reset(struct scsi_cmnd * SCpnt); extern int mptscsih_target_reset(struct scsi_cmnd * SCpnt); -extern int mptscsih_bus_reset(struct scsi_cmnd * SCpnt); +extern int mptscsih_bus_reset(struct Scsi_Host *, int); extern int mptscsih_host_reset(struct Scsi_Host *sh); extern int mptscsih_bios_param(struct scsi_device * sdev, struct block_device *bdev, sector_t capacity, int geom[]); extern int mptscsih_io_done(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *r); diff --git a/drivers/scsi/a100u2w.c b/drivers/scsi/a100u2w.c index 028af6b1057c..eee119c06b48 100644 --- a/drivers/scsi/a100u2w.c +++ b/drivers/scsi/a100u2w.c @@ -956,10 +956,10 @@ static int inia100_abort(struct scsi_cmnd * cmd) Output : None. Return : pSRB - Pointer to SCSI request block. *****************************************************************************/ -static int inia100_bus_reset(struct scsi_cmnd * cmd) +static int inia100_bus_reset(struct Scsi_Host * shost, int channel) { /* I need Host Control Block Information */ struct orc_host *host; - host = (struct orc_host *) cmd->device->host->hostdata; + host = (struct orc_host *) shost->hostdata; return orc_reset_scsi_bus(host); } diff --git a/drivers/scsi/aacraid/linit.c b/drivers/scsi/aacraid/linit.c index 59909a8e4813..ae3bc94fc571 100644 --- a/drivers/scsi/aacraid/linit.c +++ b/drivers/scsi/aacraid/linit.c @@ -1023,20 +1023,18 @@ static int aac_eh_target_reset(struct scsi_cmnd *cmd) /* * aac_eh_bus_reset - Bus reset command handling - * @scsi_cmd: SCSI command block causing the reset + * @host: SCSI host causing the reset + * @channel: Number of the bus to be reset * */ -static int aac_eh_bus_reset(struct scsi_cmnd* cmd) +static int aac_eh_bus_reset(struct Scsi_Host *host, int channel) { - struct scsi_device * dev = cmd->device; - struct Scsi_Host * host = dev->host; struct aac_dev * aac = (struct aac_dev *)host->hostdata; int count; u32 cmd_bus; int status = 0; - - cmd_bus = aac_logical_to_phys(scmd_channel(cmd)); + cmd_bus = aac_logical_to_phys(channel); /* Mark the assoc. FIB to not complete, eh handler does this */ for (count = 0; count < (host->can_queue + AAC_NUM_MGT_FIB); ++count) { struct fib *fib = &aac->fibs[count]; @@ -1044,6 +1042,7 @@ static int aac_eh_bus_reset(struct scsi_cmnd* cmd) if (fib->hw_fib_va->header.XferState && (fib->flags & FIB_CONTEXT_FLAG) && (fib->flags & FIB_CONTEXT_FLAG_SCSI_CMD)) { + struct scsi_cmnd *cmd; struct aac_hba_map_info *info; u32 bus, cid; diff --git a/drivers/scsi/aha152x.c b/drivers/scsi/aha152x.c index b13b5c85f3de..6fbdb6f3c996 100644 --- a/drivers/scsi/aha152x.c +++ b/drivers/scsi/aha152x.c @@ -1163,9 +1163,9 @@ static int aha152x_bus_reset_host(struct Scsi_Host *shpnt) * Reset the bus * */ -static int aha152x_bus_reset(struct scsi_cmnd *SCpnt) +static int aha152x_bus_reset(struct Scsi_Host *shpnt, int channel) { - return aha152x_bus_reset_host(SCpnt->device->host); + return aha152x_bus_reset_host(shpnt); } /* diff --git a/drivers/scsi/aha1542.c b/drivers/scsi/aha1542.c index f38812a1556e..64d427200d8f 100644 --- a/drivers/scsi/aha1542.c +++ b/drivers/scsi/aha1542.c @@ -983,9 +983,9 @@ static int aha1542_reset(struct Scsi_Host *sh, u8 reset_cmd) return SUCCESS; } -static int aha1542_bus_reset(struct scsi_cmnd *cmd) +static int aha1542_bus_reset(struct Scsi_Host *sh, int channel) { - return aha1542_reset(cmd->device->host, SCRST); + return aha1542_reset(sh, SCRST); } static int aha1542_host_reset(struct Scsi_Host *sh) diff --git a/drivers/scsi/aic7xxx/aic79xx_osm.c b/drivers/scsi/aic7xxx/aic79xx_osm.c index 92ea24a075b8..9b2e15c4fe07 100644 --- a/drivers/scsi/aic7xxx/aic79xx_osm.c +++ b/drivers/scsi/aic7xxx/aic79xx_osm.c @@ -864,21 +864,21 @@ ahd_linux_dev_reset(struct scsi_cmnd *cmd) * Reset the SCSI bus. */ static int -ahd_linux_bus_reset(struct scsi_cmnd *cmd) +ahd_linux_bus_reset(struct Scsi_Host *shost, int channel) { struct ahd_softc *ahd; int found; unsigned long flags; - ahd = *(struct ahd_softc **)cmd->device->host->hostdata; + ahd = *(struct ahd_softc **)shost->hostdata; #ifdef AHD_DEBUG if ((ahd_debug & AHD_SHOW_RECOVERY) != 0) - printk("%s: Bus reset called for cmd %p\n", - ahd_name(ahd), cmd); + printk("%s: Bus reset called for channel %d\n", + ahd_name(ahd), channel); #endif ahd_lock(ahd, &flags); - found = ahd_reset_channel(ahd, scmd_channel(cmd) + 'A', + found = ahd_reset_channel(ahd, channel + 'A', /*initiate reset*/TRUE); ahd_unlock(ahd, &flags); diff --git a/drivers/scsi/aic7xxx/aic7xxx_osm.c b/drivers/scsi/aic7xxx/aic7xxx_osm.c index 8b3d472aa3cc..0a487c9a43b8 100644 --- a/drivers/scsi/aic7xxx/aic7xxx_osm.c +++ b/drivers/scsi/aic7xxx/aic7xxx_osm.c @@ -754,16 +754,16 @@ ahc_linux_dev_reset(struct scsi_cmnd *cmd) * Reset the SCSI bus. */ static int -ahc_linux_bus_reset(struct scsi_cmnd *cmd) +ahc_linux_bus_reset(struct Scsi_Host *shost, int channel) { struct ahc_softc *ahc; int found; unsigned long flags; - ahc = *(struct ahc_softc **)cmd->device->host->hostdata; + ahc = *(struct ahc_softc **)shost->hostdata; ahc_lock(ahc, &flags); - found = ahc_reset_channel(ahc, scmd_channel(cmd) + 'A', + found = ahc_reset_channel(ahc, channel + 'A', /*initiate reset*/TRUE); ahc_unlock(ahc, &flags); diff --git a/drivers/scsi/arcmsr/arcmsr_hba.c b/drivers/scsi/arcmsr/arcmsr_hba.c index ec1a834c922d..25809d9fed7d 100644 --- a/drivers/scsi/arcmsr/arcmsr_hba.c +++ b/drivers/scsi/arcmsr/arcmsr_hba.c @@ -111,7 +111,7 @@ static int arcmsr_iop_message_xfer(struct AdapterControlBlock *acb, struct scsi_cmnd *cmd); static int arcmsr_iop_confirm(struct AdapterControlBlock *acb); static int arcmsr_abort(struct scsi_cmnd *); -static int arcmsr_bus_reset(struct scsi_cmnd *); +static int arcmsr_bus_reset(struct Scsi_Host *, int); static int arcmsr_bios_param(struct scsi_device *sdev, struct block_device *bdev, sector_t capacity, int *info); static int arcmsr_queue_command(struct Scsi_Host *h, struct scsi_cmnd *cmd); @@ -4575,12 +4575,12 @@ static uint8_t arcmsr_iop_reset(struct AdapterControlBlock *acb) return rtnval; } -static int arcmsr_bus_reset(struct scsi_cmnd *cmd) +static int arcmsr_bus_reset(struct Scsi_Host *shost, int channel) { struct AdapterControlBlock *acb; int retry_count = 0; int rtn = FAILED; - acb = (struct AdapterControlBlock *) cmd->device->host->hostdata; + acb = (struct AdapterControlBlock *) shost->hostdata; if (acb->acb_flags & ACB_F_ADAPTER_REMOVED) return SUCCESS; pr_notice("arcmsr: executing bus reset eh.....num_resets = %d," diff --git a/drivers/scsi/arm/fas216.c b/drivers/scsi/arm/fas216.c index b23e8caad57b..4f17b24a291f 100644 --- a/drivers/scsi/arm/fas216.c +++ b/drivers/scsi/arm/fas216.c @@ -2550,15 +2550,16 @@ int fas216_eh_device_reset(struct scsi_cmnd *SCpnt) /** * fas216_eh_bus_reset - Reset the bus associated with the command - * @SCpnt: command specifing bus to reset + * @shost: host to be reset + * @channel: bus number to reset * - * Reset the bus associated with the command. + * Reset the bus. * Returns: FAILED if unable to reset. * Notes: Further commands are blocked. */ -int fas216_eh_bus_reset(struct scsi_cmnd *SCpnt) +int fas216_eh_bus_reset(struct Scsi_Host *shost, int channel) { - FAS216_Info *info = (FAS216_Info *)SCpnt->device->host->hostdata; + FAS216_Info *info = (FAS216_Info *)shost->hostdata; unsigned long flags; struct scsi_device *SDpnt; diff --git a/drivers/scsi/arm/fas216.h b/drivers/scsi/arm/fas216.h index 50e540f5c214..0e86c54ca6fe 100644 --- a/drivers/scsi/arm/fas216.h +++ b/drivers/scsi/arm/fas216.h @@ -375,10 +375,11 @@ extern int fas216_eh_device_reset(struct scsi_cmnd *SCpnt); /* Function: int fas216_eh_bus_reset(struct scsi_cmnd *SCpnt) * Purpose : Reset the complete bus associated with this command - * Params : SCpnt - command specifing bus to reset + * Params : shost - host to be reset + * channel - bus to be reset * Returns : FAILED if unable to reset */ -extern int fas216_eh_bus_reset(struct scsi_cmnd *SCpnt); +extern int fas216_eh_bus_reset(struct Scsi_Host *shost, int channel); /* Function: int fas216_eh_host_reset(struct Scsi_Host *shost) * Purpose : Reset the host associated with this command diff --git a/drivers/scsi/dc395x.c b/drivers/scsi/dc395x.c index 24c7cefb0b78..673652060d3e 100644 --- a/drivers/scsi/dc395x.c +++ b/drivers/scsi/dc395x.c @@ -1146,19 +1146,18 @@ static void reset_dev_param(struct AdapterCtlBlk *acb) * @cmd - some command for this host (for fetching hooks) * Returns: SUCCESS (0x2002) on success, else FAILED (0x2003). */ -static int __dc395x_eh_bus_reset(struct scsi_cmnd *cmd) +static int __dc395x_eh_bus_reset(struct Scsi_Host *shost, int channel) { struct AdapterCtlBlk *acb = - (struct AdapterCtlBlk *)cmd->device->host->hostdata; + (struct AdapterCtlBlk *)shost->hostdata; dprintkl(KERN_INFO, - "eh_bus_reset: (0%p) target=<%02i-%i> cmd=%p\n", - cmd, cmd->device->id, (u8)cmd->device->lun, cmd); + "eh_bus_reset: bus=<%02i>\n", channel); if (timer_pending(&acb->waiting_timer)) del_timer(&acb->waiting_timer); /* - * disable interrupt + * disable interrupt */ DC395x_write8(acb, TRM_S1040_DMA_INTEN, 0x00); DC395x_write8(acb, TRM_S1040_SCSI_INTEN, 0x00); @@ -1174,7 +1173,7 @@ static int __dc395x_eh_bus_reset(struct scsi_cmnd *cmd) HZ * acb->eeprom.delay_time; /* - * re-enable interrupt + * re-enable interrupt */ /* Clear SCSI FIFO */ DC395x_write8(acb, TRM_S1040_DMA_CONTROL, CLRXFIFO); @@ -1184,7 +1183,7 @@ static int __dc395x_eh_bus_reset(struct scsi_cmnd *cmd) set_basic_config(acb); reset_dev_param(acb); - doing_srb_done(acb, DID_RESET, cmd, 0); + doing_srb_done(acb, DID_RESET, NULL, 0); acb->active_dcb = NULL; acb->acb_flag = 0; /* RESET_DETECT, RESET_DONE ,RESET_DEV */ waiting_process_next(acb); @@ -1192,13 +1191,13 @@ static int __dc395x_eh_bus_reset(struct scsi_cmnd *cmd) return SUCCESS; } -static int dc395x_eh_bus_reset(struct scsi_cmnd *cmd) +static int dc395x_eh_bus_reset(struct Scsi_Host *shost, int channel) { int rc; - spin_lock_irq(cmd->device->host->host_lock); - rc = __dc395x_eh_bus_reset(cmd); - spin_unlock_irq(cmd->device->host->host_lock); + spin_lock_irq(shost->host_lock); + rc = __dc395x_eh_bus_reset(shost, channel); + spin_unlock_irq(shost->host_lock); return rc; } @@ -3343,7 +3342,7 @@ static void srb_done(struct AdapterCtlBlk *acb, struct DeviceCtlBlk *dcb, /* abort all cmds in our queues */ static void doing_srb_done(struct AdapterCtlBlk *acb, u8 did_flag, - struct scsi_cmnd *cmd, u8 force) + struct scsi_cmnd *cmd, u8 force) { struct DeviceCtlBlk *dcb; dprintkl(KERN_INFO, "doing_srb_done: pids "); @@ -3391,7 +3390,7 @@ static void doing_srb_done(struct AdapterCtlBlk *acb, u8 did_flag, set_status_byte(p, SAM_STAT_GOOD); pci_unmap_srb_sense(acb, srb); pci_unmap_srb(acb, srb); - if (force) { + if (force && cmd) { /* For new EH, we normally don't need to give commands back, * as they all complete or all time out */ cmd->scsi_done(cmd); diff --git a/drivers/scsi/dpt_i2o.c b/drivers/scsi/dpt_i2o.c index ef38f964fa32..cceb25ada357 100644 --- a/drivers/scsi/dpt_i2o.c +++ b/drivers/scsi/dpt_i2o.c @@ -719,17 +719,18 @@ static int adpt_device_reset(struct scsi_cmnd* cmd) #define I2O_HBA_BUS_RESET 0x87 // This version of bus reset is called by the eh_error handler -static int adpt_bus_reset(struct scsi_cmnd* cmd) +static int adpt_bus_reset(struct Scsi_Host *shost, int channel) { adpt_hba* pHba; u32 msg[4]; u32 rcode; - pHba = (adpt_hba*)cmd->device->host->hostdata[0]; + pHba = (adpt_hba*)shost->hostdata[0]; memset(msg, 0, sizeof(msg)); - printk(KERN_WARNING"%s: Bus reset: SCSI Bus %d: tid: %d\n",pHba->name, cmd->device->channel,pHba->channel[cmd->device->channel].tid ); + printk(KERN_WARNING"%s: Bus reset: SCSI Bus %d: tid: %d\n", + pHba->name, channel, pHba->channel[channel].tid ); msg[0] = FOUR_WORD_MSG_SIZE|SGL_OFFSET_0; - msg[1] = (I2O_HBA_BUS_RESET<<24|HOST_TID<<12|pHba->channel[cmd->device->channel].tid); + msg[1] = (I2O_HBA_BUS_RESET<<24|HOST_TID<<12|pHba->channel[channel].tid); msg[2] = 0; msg[3] = 0; if (pHba->host) diff --git a/drivers/scsi/dpti.h b/drivers/scsi/dpti.h index b77a3625fa6f..48878e69ab2c 100644 --- a/drivers/scsi/dpti.h +++ b/drivers/scsi/dpti.h @@ -35,7 +35,7 @@ static const char *adpt_info(struct Scsi_Host *pSHost); static int adpt_bios_param(struct scsi_device * sdev, struct block_device *dev, sector_t, int geom[]); -static int adpt_bus_reset(struct scsi_cmnd* cmd); +static int adpt_bus_reset(struct Scsi_Host* shost, int channel); static int adpt_device_reset(struct scsi_cmnd* cmd); diff --git a/drivers/scsi/esas2r/esas2r.h b/drivers/scsi/esas2r/esas2r.h index a104d1a3a9da..5c1eeaffc090 100644 --- a/drivers/scsi/esas2r/esas2r.h +++ b/drivers/scsi/esas2r/esas2r.h @@ -977,7 +977,7 @@ long esas2r_proc_ioctl(struct file *fp, unsigned int cmd, unsigned long arg); int esas2r_eh_abort(struct scsi_cmnd *cmd); int esas2r_device_reset(struct scsi_cmnd *cmd); int esas2r_host_reset(struct Scsi_Host *shost); -int esas2r_bus_reset(struct scsi_cmnd *cmd); +int esas2r_bus_reset(struct Scsi_Host *shost, int channel); int esas2r_target_reset(struct scsi_cmnd *cmd); /* Internal functions */ diff --git a/drivers/scsi/esas2r/esas2r_main.c b/drivers/scsi/esas2r/esas2r_main.c index 167163820457..72af1fed419e 100644 --- a/drivers/scsi/esas2r/esas2r_main.c +++ b/drivers/scsi/esas2r/esas2r_main.c @@ -1094,10 +1094,8 @@ int esas2r_host_reset(struct Scsi_Host *shost) return esas2r_host_bus_reset(shost, true); } -int esas2r_bus_reset(struct scsi_cmnd *cmd) +int esas2r_bus_reset(struct Scsi_Host *shost, int channel) { - struct Scsi_Host *shost = cmd->device->host; - esas2r_log(ESAS2R_LOG_INFO, "bus_reset (%p)", shost); return esas2r_host_bus_reset(shost, false); diff --git a/drivers/scsi/esp_scsi.c b/drivers/scsi/esp_scsi.c index 45c83e3d887d..3d091333bd0b 100644 --- a/drivers/scsi/esp_scsi.c +++ b/drivers/scsi/esp_scsi.c @@ -2606,9 +2606,9 @@ static int esp_eh_abort_handler(struct scsi_cmnd *cmd) return FAILED; } -static int esp_eh_bus_reset_handler(struct scsi_cmnd *cmd) +static int esp_eh_bus_reset_handler(struct Scsi_Host *shost, int channel) { - struct esp *esp = shost_priv(cmd->device->host); + struct esp *esp = shost_priv(shost); struct completion eh_reset; unsigned long flags; diff --git a/drivers/scsi/initio.c b/drivers/scsi/initio.c index 9b75e19a9bab..f4a1dd83e768 100644 --- a/drivers/scsi/initio.c +++ b/drivers/scsi/initio.c @@ -2630,20 +2630,21 @@ static DEF_SCSI_QCMD(i91u_queuecommand) /** * i91u_bus_reset - reset the SCSI bus - * @cmnd: Command block we want to trigger the reset for + * @shost: SCSI host to be reset + * @channel: Bus number to be reset * * Initiate a SCSI bus reset sequence */ -static int i91u_bus_reset(struct scsi_cmnd * cmnd) +static int i91u_bus_reset(struct Scsi_Host * shost, int channel) { struct initio_host *host; - host = (struct initio_host *) cmnd->device->host->hostdata; + host = (struct initio_host *) shost->hostdata; - spin_lock_irq(cmnd->device->host->host_lock); + spin_lock_irq(shost->host_lock); initio_reset_scsi(host, 0); - spin_unlock_irq(cmnd->device->host->host_lock); + spin_unlock_irq(shost->host_lock); return SUCCESS; } diff --git a/drivers/scsi/mpi3mr/mpi3mr_os.c b/drivers/scsi/mpi3mr/mpi3mr_os.c index 3720f88ebc68..30d8482ddc7f 100644 --- a/drivers/scsi/mpi3mr/mpi3mr_os.c +++ b/drivers/scsi/mpi3mr/mpi3mr_os.c @@ -2904,39 +2904,46 @@ static int mpi3mr_eh_host_reset(struct Scsi_Host *shost) /** * mpi3mr_eh_bus_reset - Bus reset error handling callback - * @scmd: SCSI command reference + * @shost: SCSI host reference + * @channel: bus number * * Checks whether pending I/Os are present for the RAID volume; * if not there's no need to reset the adapter. * * Return: SUCCESS of successful reset else FAILED */ -static int mpi3mr_eh_bus_reset(struct scsi_cmnd *scmd) +static int mpi3mr_eh_bus_reset(struct Scsi_Host *shost, int channel) { - struct mpi3mr_ioc *mrioc = shost_priv(scmd->device->host); + struct mpi3mr_ioc *mrioc = shost_priv(shost); + struct mpi3mr_tgt_dev *tgtdev; struct mpi3mr_stgt_priv_data *stgt_priv_data; - struct mpi3mr_sdev_priv_data *sdev_priv_data; - u8 dev_type = MPI3_DEVICE_DEVFORM_VD; int retval = FAILED; - sdev_priv_data = scmd->device->hostdata; - if (sdev_priv_data && sdev_priv_data->tgt_priv_data) { - stgt_priv_data = sdev_priv_data->tgt_priv_data; - dev_type = stgt_priv_data->dev_type; + spin_lock(&mrioc->tgtdev_lock); + list_for_each_entry(tgtdev, &mrioc->tgtdev_list, list) { + if (!tgtdev->starget || !tgtdev->starget->hostdata) + continue; + stgt_priv_data = (struct mpi3mr_stgt_priv_data *) + tgtdev->starget->hostdata; + if (stgt_priv_data->dev_type == MPI3_DEVICE_DEVFORM_VD) { + retval = SUCCESS; + break; + } } + spin_unlock(&mrioc->tgtdev_lock); - if (dev_type == MPI3_DEVICE_DEVFORM_VD) { + if (retval == SUCCESS) { mpi3mr_wait_for_host_io(mrioc, MPI3MR_RAID_ERRREC_RESET_TIMEOUT); - if (!mpi3mr_get_fw_pending_ios(mrioc)) - retval = SUCCESS; + if (mpi3mr_get_fw_pending_ios(mrioc)) + retval = FAILED; } if (retval == FAILED) mpi3mr_print_pending_host_io(mrioc); - sdev_printk(KERN_INFO, scmd->device, - "Bus reset is %s for scmd(%p)\n", - ((retval == SUCCESS) ? "SUCCESS" : "FAILED"), scmd); + shost_printk(KERN_INFO, shost, + "Bus reset is %s\n", + ((retval == SUCCESS) ? "SUCCESS" : "FAILED")); return retval; } diff --git a/drivers/scsi/ncr53c8xx.c b/drivers/scsi/ncr53c8xx.c index e7115cba4b28..b80ff27bb78c 100644 --- a/drivers/scsi/ncr53c8xx.c +++ b/drivers/scsi/ncr53c8xx.c @@ -7939,9 +7939,9 @@ static void ncr53c8xx_timeout(struct timer_list *t) ncr_flush_done_cmds(done_list); } -static int ncr53c8xx_bus_reset(struct scsi_cmnd *cmd) +static int ncr53c8xx_bus_reset(struct Scsi_Host *host, int channel) { - struct ncb *np = ((struct host_data *) cmd->device->host->hostdata)->ncb; + struct ncb *np = ((struct host_data *) host->hostdata)->ncb; int sts; unsigned long flags; struct scsi_cmnd *done_list; diff --git a/drivers/scsi/pcmcia/nsp_cs.c b/drivers/scsi/pcmcia/nsp_cs.c index 04b3d52e3547..1f65033458e3 100644 --- a/drivers/scsi/pcmcia/nsp_cs.c +++ b/drivers/scsi/pcmcia/nsp_cs.c @@ -1473,11 +1473,11 @@ static int nsp_bus_reset(nsp_hw_data *data) return SUCCESS; } -static int nsp_eh_bus_reset(struct scsi_cmnd *SCpnt) +static int nsp_eh_bus_reset(struct Scsi_Host *host, int channel) { - nsp_hw_data *data = (nsp_hw_data *)SCpnt->device->host->hostdata; + nsp_hw_data *data = (nsp_hw_data *)host->hostdata; - nsp_dbg(NSP_DEBUG_BUSRESET, "SCpnt=0x%p", SCpnt); + nsp_dbg(NSP_DEBUG_BUSRESET, "channel=0x%d", channel); return nsp_bus_reset(data); } diff --git a/drivers/scsi/pcmcia/nsp_cs.h b/drivers/scsi/pcmcia/nsp_cs.h index fe1e598e1746..8ccfc410c931 100644 --- a/drivers/scsi/pcmcia/nsp_cs.h +++ b/drivers/scsi/pcmcia/nsp_cs.h @@ -299,7 +299,7 @@ static int nsp_queuecommand(struct Scsi_Host *h, struct scsi_cmnd *SCpnt); /* Error handler */ /*static int nsp_eh_abort (struct scsi_cmnd *SCpnt);*/ /*static int nsp_eh_device_reset(struct scsi_cmnd *SCpnt);*/ -static int nsp_eh_bus_reset (struct scsi_cmnd *SCpnt); +static int nsp_eh_bus_reset (struct Scsi_Host *host, int channel); static int nsp_eh_host_reset (struct Scsi_Host *host); static int nsp_bus_reset (nsp_hw_data *data); diff --git a/drivers/scsi/pmcraid.c b/drivers/scsi/pmcraid.c index f29107536887..9397eaef0bac 100644 --- a/drivers/scsi/pmcraid.c +++ b/drivers/scsi/pmcraid.c @@ -3023,9 +3023,8 @@ static int pmcraid_eh_device_reset_handler(struct scsi_cmnd *scmd) RESET_DEVICE_LUN); } -static int pmcraid_eh_bus_reset_handler(struct scsi_cmnd *scmd) +static int pmcraid_eh_bus_reset_handler(struct Scsi_Host *host, int channel) { - struct Scsi_Host *host = scmd->device->host; struct pmcraid_instance *pinstance = (struct pmcraid_instance *)host->hostdata; struct pmcraid_resource_entry *res = NULL; @@ -3039,11 +3038,11 @@ static int pmcraid_eh_bus_reset_handler(struct scsi_cmnd *scmd) */ spin_lock_irqsave(&pinstance->resource_lock, lock_flags); list_for_each_entry(temp, &pinstance->used_res_q, queue) { - if (scmd->device->channel == PMCRAID_VSET_BUS_ID && + if (channel == PMCRAID_VSET_BUS_ID && RES_IS_VSET(temp->cfg_entry)) { res = temp; break; - } else if (scmd->device->channel == PMCRAID_PHYS_BUS_ID && + } else if (channel == PMCRAID_PHYS_BUS_ID && RES_IS_GSCSI(temp->cfg_entry)) { res = temp; break; diff --git a/drivers/scsi/qla1280.c b/drivers/scsi/qla1280.c index dd69bfa85f04..f478e609d0ba 100644 --- a/drivers/scsi/qla1280.c +++ b/drivers/scsi/qla1280.c @@ -989,13 +989,15 @@ qla1280_eh_device_reset(struct scsi_cmnd *cmd) * Reset the specified bus. **************************************************************************/ static int -qla1280_eh_bus_reset(struct scsi_cmnd *cmd) +qla1280_eh_bus_reset(struct Scsi_Host *shost, int bus) { - int rc; + int rc = FAILED; + struct scsi_qla_host *ha = (struct scsi_qla_host *)shost->hostdata; - spin_lock_irq(cmd->device->host->host_lock); - rc = qla1280_error_action(cmd, BUS_RESET); - spin_unlock_irq(cmd->device->host->host_lock); + spin_lock_irq(shost->host_lock); + if (qla1280_bus_reset(ha, bus) == 0) + rc = qla1280_wait_for_pending_commands(ha, 1, 0); + spin_unlock_irq(shost->host_lock); return rc; } diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c index a84a85288c2e..b9cc7cfb5c21 100644 --- a/drivers/scsi/qla2xxx/qla_os.c +++ b/drivers/scsi/qla2xxx/qla_os.c @@ -1527,7 +1527,7 @@ qla2xxx_eh_target_reset(struct scsi_cmnd *cmd) * commands. * * Input: -* cmd = Linux SCSI command packet of the command that cause the +* host = Linux SCSI command packet of the command that cause the * bus reset. * * Returns: @@ -1535,12 +1535,10 @@ qla2xxx_eh_target_reset(struct scsi_cmnd *cmd) * **************************************************************************/ static int -qla2xxx_eh_bus_reset(struct scsi_cmnd *cmd) +qla2xxx_eh_bus_reset(struct Scsi_Host *shost, int channel) { - scsi_qla_host_t *vha = shost_priv(cmd->device->host); + scsi_qla_host_t *vha = shost_priv(shost); int ret = FAILED; - unsigned int id; - uint64_t lun; struct qla_hw_data *ha = vha->hw; if (qla2x00_isp_reg_stat(ha)) { @@ -1550,14 +1548,11 @@ qla2xxx_eh_bus_reset(struct scsi_cmnd *cmd) return FAILED; } - id = cmd->device->id; - lun = cmd->device->lun; - if (qla2x00_chip_is_down(vha)) return ret; ql_log(ql_log_info, vha, 0x8012, - "BUS RESET ISSUED nexus=%ld:%d:%llu.\n", vha->host_no, id, lun); + "BUS RESET ISSUED nexus=%ld:%d.\n", vha->host_no, channel); if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) { ql_log(ql_log_fatal, vha, 0x8013, @@ -1581,8 +1576,8 @@ qla2xxx_eh_bus_reset(struct scsi_cmnd *cmd) eh_bus_reset_done: ql_log(ql_log_warn, vha, 0x802b, - "BUS RESET %s nexus=%ld:%d:%llu.\n", - (ret == FAILED) ? "FAILED" : "SUCCEEDED", vha->host_no, id, lun); + "BUS RESET %s nexus=%ld:%d.\n", + (ret == FAILED) ? "FAILED" : "SUCCEEDED", vha->host_no, channel); return ret; } diff --git a/drivers/scsi/scsi_debug.c b/drivers/scsi/scsi_debug.c index 884bdaf26e10..63bbbcc94bbc 100644 --- a/drivers/scsi/scsi_debug.c +++ b/drivers/scsi/scsi_debug.c @@ -5218,36 +5218,27 @@ static int scsi_debug_target_reset(struct scsi_cmnd *SCpnt) return SUCCESS; } -static int scsi_debug_bus_reset(struct scsi_cmnd *SCpnt) +static int scsi_debug_bus_reset(struct Scsi_Host * hp, int channel) { - struct sdebug_host_info *sdbg_host; + struct sdebug_host_info *sdbg_host = + *(struct sdebug_host_info **)shost_priv(hp); struct sdebug_dev_info *devip; - struct scsi_device *sdp; - struct Scsi_Host *hp; int k = 0; ++num_bus_resets; - if (!(SCpnt && SCpnt->device)) - goto lie; - sdp = SCpnt->device; if (SDEBUG_OPT_ALL_NOISE & sdebug_opts) - sdev_printk(KERN_INFO, sdp, "%s\n", __func__); - hp = sdp->host; - if (hp) { - sdbg_host = *(struct sdebug_host_info **)shost_priv(hp); - if (sdbg_host) { - list_for_each_entry(devip, - &sdbg_host->dev_info_list, - dev_list) { - set_bit(SDEBUG_UA_BUS_RESET, devip->uas_bm); - ++k; - } + shost_printk(KERN_INFO, hp, "%s\n", __func__); + if (sdbg_host) { + list_for_each_entry(devip, + &sdbg_host->dev_info_list, + dev_list) { + set_bit(SDEBUG_UA_BUS_RESET, devip->uas_bm); + ++k; } } if (SDEBUG_OPT_RESET_NOISE & sdebug_opts) - sdev_printk(KERN_INFO, sdp, + shost_printk(KERN_INFO, hp, "%s: %d device(s) found in host\n", __func__, k); -lie: return SUCCESS; } diff --git a/drivers/scsi/scsi_error.c b/drivers/scsi/scsi_error.c index 8218e2976482..d5e36488c87b 100644 --- a/drivers/scsi/scsi_error.c +++ b/drivers/scsi/scsi_error.c @@ -841,7 +841,7 @@ static enum scsi_disposition scsi_try_bus_reset(struct scsi_cmnd *scmd) if (!hostt->eh_bus_reset_handler) return FAILED; - rtn = hostt->eh_bus_reset_handler(scmd); + rtn = hostt->eh_bus_reset_handler(host, scmd_channel(scmd)); if (rtn == SUCCESS) { if (!hostt->skip_settle_delay) diff --git a/drivers/scsi/sym53c8xx_2/sym_glue.c b/drivers/scsi/sym53c8xx_2/sym_glue.c index 85b66286b4be..2e5ab844fe09 100644 --- a/drivers/scsi/sym53c8xx_2/sym_glue.c +++ b/drivers/scsi/sym53c8xx_2/sym_glue.c @@ -645,14 +645,13 @@ static int sym53c8xx_eh_device_reset_handler(struct scsi_cmnd *cmd) return sym_eh_handler(SYM_EH_DEVICE_RESET, "DEVICE RESET", cmd); } -static int sym53c8xx_eh_bus_reset_handler(struct scsi_cmnd *cmd) +static int sym53c8xx_eh_bus_reset_handler(struct Scsi_Host *shost, int channel) { - struct Scsi_Host *shost = cmd->device->host; struct sym_data *sym_data = shost_priv(shost); struct pci_dev *pdev = sym_data->pdev; struct sym_hcb *np = sym_data->ncb; - scmd_printk(KERN_WARNING, cmd, "BUS RESET operation started\n"); + shost_printk(KERN_WARNING, shost, "BUS RESET operation started\n"); /* * Escalate to host reset if the PCI bus went down @@ -664,7 +663,7 @@ static int sym53c8xx_eh_bus_reset_handler(struct scsi_cmnd *cmd) sym_reset_scsi_bus(np, 1); spin_unlock_irq(shost->host_lock); - dev_warn(&cmd->device->sdev_gendev, "BUS RESET operation complete.\n"); + shost_printk(KERN_WARNING, shost, "BUS RESET operation complete.\n"); return SCSI_SUCCESS; } diff --git a/drivers/scsi/vmw_pvscsi.c b/drivers/scsi/vmw_pvscsi.c index 05ef6651506b..847535fce8eb 100644 --- a/drivers/scsi/vmw_pvscsi.c +++ b/drivers/scsi/vmw_pvscsi.c @@ -945,13 +945,12 @@ static int pvscsi_host_reset(struct Scsi_Host *host) return SUCCESS; } -static int pvscsi_bus_reset(struct scsi_cmnd *cmd) +static int pvscsi_bus_reset(struct Scsi_Host *host, int channel) { - struct Scsi_Host *host = cmd->device->host; struct pvscsi_adapter *adapter = shost_priv(host); unsigned long flags; - scmd_printk(KERN_INFO, cmd, "SCSI Bus reset\n"); + shost_printk(KERN_INFO, host, "SCSI Bus reset\n"); /* * We don't want to queue new requests for this bus after diff --git a/drivers/scsi/wd719x.c b/drivers/scsi/wd719x.c index 9485cbf5f946..85abbc82e7c8 100644 --- a/drivers/scsi/wd719x.c +++ b/drivers/scsi/wd719x.c @@ -482,11 +482,11 @@ static int wd719x_abort(struct scsi_cmnd *cmd) return SUCCESS; } -static int wd719x_reset(struct scsi_cmnd *cmd, u8 opcode, u8 device) +static int wd719x_reset(struct Scsi_Host *shost, u8 opcode, u8 device) { int result; unsigned long flags; - struct wd719x *wd = shost_priv(cmd->device->host); + struct wd719x *wd = shost_priv(shost); struct wd719x_scb *scb, *tmp; dev_info(&wd->pdev->dev, "%s reset requested\n", @@ -510,12 +510,13 @@ static int wd719x_reset(struct scsi_cmnd *cmd, u8 opcode, u8 device) static int wd719x_dev_reset(struct scsi_cmnd *cmd) { - return wd719x_reset(cmd, WD719X_CMD_RESET, cmd->device->id); + return wd719x_reset(cmd->device->host, WD719X_CMD_RESET, + cmd->device->id); } -static int wd719x_bus_reset(struct scsi_cmnd *cmd) +static int wd719x_bus_reset(struct Scsi_Host *host, int channel) { - return wd719x_reset(cmd, WD719X_CMD_BUSRESET, 0); + return wd719x_reset(host, WD719X_CMD_BUSRESET, 0); } static int wd719x_host_reset(struct Scsi_Host *host) diff --git a/drivers/staging/unisys/visorhba/visorhba_main.c b/drivers/staging/unisys/visorhba/visorhba_main.c index bfb4a70432f3..7277cb5c8108 100644 --- a/drivers/staging/unisys/visorhba/visorhba_main.c +++ b/drivers/staging/unisys/visorhba/visorhba_main.c @@ -366,15 +366,14 @@ static int visorhba_device_reset_handler(struct scsi_cmnd *scsicmd) * * Return: SUCCESS if inserted, FAILED otherwise */ -static int visorhba_bus_reset_handler(struct scsi_cmnd *scsicmd) +static int visorhba_bus_reset_handler(struct Scsi_Host *scsihost, int channel) { struct scsi_device *scsidev = NULL, *tmp; - struct Scsi_Host *scsihost = scsicmd->device->host; struct visordisk_info *vdisk; int rtn = SUCCESS; shost_for_each_device(tmp, scsihost) { - if (tmp->channel != scsicmd->device->channel) + if (tmp->channel != channel) continue; vdisk = tmp->hostdata; if (atomic_read(&vdisk->error_count) < VISORHBA_ERROR_COUNT) diff --git a/drivers/usb/storage/scsiglue.c b/drivers/usb/storage/scsiglue.c index e5a971b83e3f..33456368ca1e 100644 --- a/drivers/usb/storage/scsiglue.c +++ b/drivers/usb/storage/scsiglue.c @@ -465,9 +465,9 @@ static int device_reset(struct scsi_cmnd *srb) } /* Simulate a SCSI bus reset by resetting the device's USB port. */ -static int bus_reset(struct scsi_cmnd *srb) +static int bus_reset(struct Scsi_Host *shost, int channel) { - struct us_data *us = host_to_us(srb->device->host); + struct us_data *us = host_to_us(shost); int result; usb_stor_dbg(us, "%s called\n", __func__); diff --git a/include/scsi/scsi_host.h b/include/scsi/scsi_host.h index 3b1acf91f4d0..e0a102339317 100644 --- a/include/scsi/scsi_host.h +++ b/include/scsi/scsi_host.h @@ -141,7 +141,7 @@ struct scsi_host_template { int (* eh_abort_handler)(struct scsi_cmnd *); int (* eh_device_reset_handler)(struct scsi_cmnd *); int (* eh_target_reset_handler)(struct scsi_cmnd *); - int (* eh_bus_reset_handler)(struct scsi_cmnd *); + int (* eh_bus_reset_handler)(struct Scsi_Host *, int); int (* eh_host_reset_handler)(struct Scsi_Host *); /*