Spdk/lib/vhost/task.h
Pawel Wodkowski 8d7acdaaef vhost: upgrade SPDK vhost code to DPDK 17.05
Also replace the internal DPDK v17.02-based rte_vhost
library with the patched DPDK v17.05-based version.

Change-Id: Ibec0b0746592a1a3911c31642a945ab65495e33e
Signed-off-by: Dariusz Stojaczyk <dariuszx.stojaczyk@intel.com>
Signed-off-by: Pawel Wodkowski <pawelx.wodkowski@intel.com>
2017-05-08 17:04:29 -07:00

70 lines
2.4 KiB
C

/*-
* BSD LICENSE
*
* Copyright (c) Intel Corporation.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Intel Corporation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef SPDK_VHOST_TASK_H
#define SPDK_VHOST_TASK_H
#include "spdk/scsi.h"
/* Allocated iovec buffer len */
#define VHOST_SCSI_IOVS_LEN 128
struct spdk_vhost_task {
struct spdk_scsi_task scsi;
union {
struct virtio_scsi_cmd_resp *resp;
struct virtio_scsi_ctrl_tmf_resp *tmf_resp;
};
struct spdk_vhost_scsi_ctrlr *vdev;
struct spdk_scsi_dev *scsi_dev;
int req_idx;
struct rte_vhost_vring *vq;
TAILQ_ENTRY(spdk_vhost_task) iovecs_link;
};
void spdk_vhost_enqueue_task(struct spdk_vhost_task *task);
struct spdk_vhost_task *spdk_vhost_dequeue_task(void);
void spdk_vhost_task_put(struct spdk_vhost_task *task);
struct spdk_vhost_task *spdk_vhost_task_get(uint32_t *owner_task_ctr);
void spdk_vhost_iovec_free(struct iovec *iov);
struct iovec *spdk_vhost_iovec_alloc(void);
#endif /* SPDK_VHOST_TASK_H */