-/*-
- * BSD LICENSE
- *
- * Copyright(c) 2010-2017 Intel Corporation. All rights reserved.
- * 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.
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2010-2017 Intel Corporation
*/
#include <stdint.h>
#include "scsi_spec.h"
#define VIRTIO_SCSI_FEATURES ((1 << VIRTIO_F_NOTIFY_ON_EMPTY) |\
- (1 << VIRTIO_RING_F_EVENT_IDX) |\
(1 << VIRTIO_SCSI_F_INOUT) |\
(1 << VIRTIO_SCSI_F_CHANGE))
return g_vhost_ctrlr;
}
-static uint64_t gpa_to_vva(int vid, uint64_t gpa)
+static uint64_t gpa_to_vva(int vid, uint64_t gpa, uint64_t *len)
{
char path[PATH_MAX];
struct vhost_scsi_ctrlr *ctrlr;
assert(ctrlr->mem != NULL);
- return rte_vhost_gpa_to_vva(ctrlr->mem, gpa);
+ return rte_vhost_va_from_guest_pa(ctrlr->mem, gpa, len);
}
static struct vring_desc *
}
static void
-submit_completion(struct vhost_scsi_task *task)
+submit_completion(struct vhost_scsi_task *task, uint32_t q_idx)
{
struct rte_vhost_vring *vq;
struct vring_used *used;
/* Send an interrupt back to the guest VM so that it knows
* a completion is ready to be processed.
*/
- eventfd_write(vq->callfd, (eventfd_t)1);
+ rte_vhost_vring_call(task->bdev->vid, q_idx);
}
static void
vhost_process_read_payload_chain(struct vhost_scsi_task *task)
{
void *data;
+ uint64_t chunck_len;
task->iovs_cnt = 0;
+ chunck_len = task->desc->len;
task->resp = (void *)(uintptr_t)gpa_to_vva(task->bdev->vid,
- task->desc->addr);
+ task->desc->addr,
+ &chunck_len);
+ if (!task->resp || chunck_len != task->desc->len) {
+ fprintf(stderr, "failed to translate desc address.\n");
+ return;
+ }
while (descriptor_has_next(task->desc)) {
task->desc = descriptor_get_next(task->vq->desc, task->desc);
+ chunck_len = task->desc->len;
data = (void *)(uintptr_t)gpa_to_vva(task->bdev->vid,
- task->desc->addr);
+ task->desc->addr,
+ &chunck_len);
+ if (!data || chunck_len != task->desc->len) {
+ fprintf(stderr, "failed to translate desc address.\n");
+ return;
+ }
+
task->iovs[task->iovs_cnt].iov_base = data;
task->iovs[task->iovs_cnt].iov_len = task->desc->len;
task->data_len += task->desc->len;
vhost_process_write_payload_chain(struct vhost_scsi_task *task)
{
void *data;
+ uint64_t chunck_len;
task->iovs_cnt = 0;
do {
+ chunck_len = task->desc->len;
data = (void *)(uintptr_t)gpa_to_vva(task->bdev->vid,
- task->desc->addr);
+ task->desc->addr,
+ &chunck_len);
+ if (!data || chunck_len != task->desc->len) {
+ fprintf(stderr, "failed to translate desc address.\n");
+ return;
+ }
+
task->iovs[task->iovs_cnt].iov_base = data;
task->iovs[task->iovs_cnt].iov_len = task->desc->len;
task->data_len += task->desc->len;
task->desc = descriptor_get_next(task->vq->desc, task->desc);
} while (descriptor_has_next(task->desc));
+ chunck_len = task->desc->len;
task->resp = (void *)(uintptr_t)gpa_to_vva(task->bdev->vid,
- task->desc->addr);
+ task->desc->addr,
+ &chunck_len);
+ if (!task->resp || chunck_len != task->desc->len)
+ fprintf(stderr, "failed to translate desc address.\n");
}
static struct vhost_block_dev *
int req_idx;
uint16_t last_idx;
struct vhost_scsi_task *task;
+ uint64_t chunck_len;
last_idx = scsi_vq->last_used_idx & (vq->size - 1);
req_idx = vq->avail->ring[last_idx];
assert((task->desc->flags & VRING_DESC_F_INDIRECT) == 0);
scsi_vq->last_used_idx++;
+ chunck_len = task->desc->len;
task->req = (void *)(uintptr_t)gpa_to_vva(task->bdev->vid,
- task->desc->addr);
+ task->desc->addr,
+ &chunck_len);
+ if (!task->req || chunck_len != task->desc->len) {
+ fprintf(stderr, "failed to translate desc address.\n");
+ return;
+ }
task->desc = descriptor_get_next(task->vq->desc, task->desc);
if (!descriptor_has_next(task->desc)) {
task->dxfer_dir = SCSI_DIR_NONE;
+ chunck_len = task->desc->len;
task->resp = (void *)(uintptr_t)
gpa_to_vva(task->bdev->vid,
- task->desc->addr);
-
+ task->desc->addr,
+ &chunck_len);
+ if (!task->resp || chunck_len != task->desc->len) {
+ fprintf(stderr, "failed to translate desc address.\n");
+ return;
+ }
} else if (!descriptor_is_wr(task->desc)) {
task->dxfer_dir = SCSI_DIR_TO_DEV;
vhost_process_write_payload_chain(task);
task->resp->status = 0;
task->resp->resid = 0;
}
- submit_completion(task);
+ submit_completion(task, q_idx);
rte_free(task);
}
}
Code Review / deb_dpdk.git / blobdiff