diff options
Diffstat (limited to 'include/linux/bsg-lib.h')
| -rw-r--r-- | include/linux/bsg-lib.h | 36 |
1 files changed, 18 insertions, 18 deletions
diff --git a/include/linux/bsg-lib.h b/include/linux/bsg-lib.h index e34dde2da0ef..14fa93268630 100644 --- a/include/linux/bsg-lib.h +++ b/include/linux/bsg-lib.h @@ -1,35 +1,25 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * BSG helper library * * Copyright (C) 2008 James Smart, Emulex Corporation * Copyright (C) 2011 Red Hat, Inc. All rights reserved. * Copyright (C) 2011 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 of the License, 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; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * */ #ifndef _BLK_BSG_ #define _BLK_BSG_ #include <linux/blkdev.h> +struct bsg_job; struct request; struct device; struct scatterlist; struct request_queue; +typedef int (bsg_job_fn) (struct bsg_job *); +typedef enum blk_eh_timer_return (bsg_timeout_fn)(struct request *); + struct bsg_buffer { unsigned int payload_len; int sg_cnt; @@ -38,10 +28,11 @@ struct bsg_buffer { struct bsg_job { struct device *dev; - struct request *req; struct kref kref; + unsigned int timeout; + /* Transport/driver specific request/reply structs */ void *request; void *reply; @@ -61,13 +52,22 @@ struct bsg_job { struct bsg_buffer request_payload; struct bsg_buffer reply_payload; + int result; + unsigned int reply_payload_rcv_len; + + /* BIDI support */ + struct request *bidi_rq; + struct bio *bidi_bio; + void *dd_data; /* Used for driver-specific storage */ }; void bsg_job_done(struct bsg_job *job, int result, unsigned int reply_payload_rcv_len); -struct request_queue *bsg_setup_queue(struct device *dev, char *name, - bsg_job_fn *job_fn, int dd_job_size); +struct request_queue *bsg_setup_queue(struct device *dev, const char *name, + struct queue_limits *lim, bsg_job_fn *job_fn, + bsg_timeout_fn *timeout, int dd_job_size); +void bsg_remove_queue(struct request_queue *q); void bsg_job_put(struct bsg_job *job); int __must_check bsg_job_get(struct bsg_job *job); |