diff options
Diffstat (limited to 'drivers/scsi/device_handler/scsi_dh_emc.c')
| -rw-r--r-- | drivers/scsi/device_handler/scsi_dh_emc.c | 48 |
1 files changed, 19 insertions, 29 deletions
diff --git a/drivers/scsi/device_handler/scsi_dh_emc.c b/drivers/scsi/device_handler/scsi_dh_emc.c index 8654e940e1a8..3cf88db2d5b2 100644 --- a/drivers/scsi/device_handler/scsi_dh_emc.c +++ b/drivers/scsi/device_handler/scsi_dh_emc.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * Target driver for EMC CLARiiON AX/CX-series hardware. * Based on code from Lars Marowsky-Bree <lmb@suse.de> @@ -5,20 +6,6 @@ * * Copyright (C) 2006 Red Hat, Inc. All rights reserved. * Copyright (C) 2006 Mike Christie - * - * 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 - * along with this program; see the file COPYING. If not, write to - * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ #include <linux/slab.h> #include <linux/module.h> @@ -249,11 +236,14 @@ static int send_trespass_cmd(struct scsi_device *sdev, struct clariion_dh_data *csdev) { unsigned char *page22; - unsigned char cdb[COMMAND_SIZE(MODE_SELECT)]; + unsigned char cdb[MAX_COMMAND_SIZE]; int err, res = SCSI_DH_OK, len; struct scsi_sense_hdr sshdr; - u64 req_flags = REQ_FAILFAST_DEV | REQ_FAILFAST_TRANSPORT | - REQ_FAILFAST_DRIVER; + blk_opf_t opf = REQ_OP_DRV_OUT | REQ_FAILFAST_DEV | + REQ_FAILFAST_TRANSPORT | REQ_FAILFAST_DRIVER; + const struct scsi_exec_args exec_args = { + .sshdr = &sshdr, + }; if (csdev->flags & CLARIION_SHORT_TRESPASS) { page22 = short_trespass; @@ -276,9 +266,9 @@ static int send_trespass_cmd(struct scsi_device *sdev, BUG_ON((len > CLARIION_BUFFER_SIZE)); memcpy(csdev->buffer, page22, len); - err = scsi_execute(sdev, cdb, DMA_TO_DEVICE, csdev->buffer, len, NULL, - &sshdr, CLARIION_TIMEOUT * HZ, CLARIION_RETRIES, - req_flags, 0, NULL); + err = scsi_execute_cmd(sdev, cdb, opf, csdev->buffer, len, + CLARIION_TIMEOUT * HZ, CLARIION_RETRIES, + &exec_args); if (err) { if (scsi_sense_valid(&sshdr)) res = trespass_endio(sdev, &sshdr); @@ -293,8 +283,8 @@ static int send_trespass_cmd(struct scsi_device *sdev, return res; } -static int clariion_check_sense(struct scsi_device *sdev, - struct scsi_sense_hdr *sense_hdr) +static enum scsi_disposition clariion_check_sense(struct scsi_device *sdev, + struct scsi_sense_hdr *sense_hdr) { switch (sense_hdr->sense_key) { case NOT_READY: @@ -341,17 +331,17 @@ static int clariion_check_sense(struct scsi_device *sdev, return SCSI_RETURN_NOT_HANDLED; } -static int clariion_prep_fn(struct scsi_device *sdev, struct request *req) +static blk_status_t clariion_prep_fn(struct scsi_device *sdev, + struct request *req) { struct clariion_dh_data *h = sdev->handler_data; - int ret = BLKPREP_OK; if (h->lun_state != CLARIION_LUN_OWNED) { - ret = BLKPREP_KILL; req->rq_flags |= RQF_QUIET; + return BLK_STS_IOERR; } - return ret; + return BLK_STS_OK; } static int clariion_std_inquiry(struct scsi_device *sdev, @@ -490,7 +480,7 @@ static int clariion_bus_attach(struct scsi_device *sdev) h = kzalloc(sizeof(*h) , GFP_KERNEL); if (!h) - return -ENOMEM; + return SCSI_DH_NOMEM; h->lun_state = CLARIION_LUN_UNINITIALIZED; h->default_sp = CLARIION_UNBOUND_LU; h->current_sp = CLARIION_UNBOUND_LU; @@ -510,11 +500,11 @@ static int clariion_bus_attach(struct scsi_device *sdev) h->default_sp + 'A'); sdev->handler_data = h; - return 0; + return SCSI_DH_OK; failed: kfree(h); - return -EINVAL; + return err; } static void clariion_bus_detach(struct scsi_device *sdev) |