Ejemplos de nvme_nvm_rqtocmd en C++ (Cpp)

Ejemplo n.º 1

Archivo: lightnvm.c Proyecto: acton393/linux

static int nvme_nvm_submit_io(struct nvm_dev *dev, struct nvm_rq *rqd)
{
	struct request_queue *q = dev->q;
	struct nvme_ns *ns = q->queuedata;
	struct request *rq;
	struct bio *bio = rqd->bio;
	struct nvme_nvm_command *cmd;

	rq = blk_mq_alloc_request(q, bio_data_dir(bio), 0);
	if (IS_ERR(rq))
		return -ENOMEM;

	cmd = kzalloc(sizeof(struct nvme_nvm_command) +
				sizeof(struct nvme_nvm_completion), GFP_KERNEL);
	if (!cmd) {
		blk_mq_free_request(rq);
		return -ENOMEM;
	}

	rq->cmd_type = REQ_TYPE_DRV_PRIV;
	rq->ioprio = bio_prio(bio);

	if (bio_has_data(bio))
		rq->nr_phys_segments = bio_phys_segments(q, bio);

	rq->__data_len = bio->bi_iter.bi_size;
	rq->bio = rq->biotail = bio;

	nvme_nvm_rqtocmd(rq, rqd, ns, cmd);

	rq->cmd = (unsigned char *)cmd;
	rq->cmd_len = sizeof(struct nvme_nvm_command);
	rq->special = cmd + 1;

	rq->end_io_data = rqd;

	blk_execute_rq_nowait(q, NULL, rq, 0, nvme_nvm_end_io);

	return 0;
}

Ejemplo n.º 2

Archivo: lightnvm.c Proyecto: ReneNyffenegger/linux

static struct request *nvme_nvm_alloc_request(struct request_queue *q,
					      struct nvm_rq *rqd,
					      struct nvme_nvm_command *cmd)
{
	struct nvme_ns *ns = q->queuedata;
	struct request *rq;

	nvme_nvm_rqtocmd(rqd, ns, cmd);

	rq = nvme_alloc_request(q, (struct nvme_command *)cmd, 0, NVME_QID_ANY);
	if (IS_ERR(rq))
		return rq;

	rq->cmd_flags &= ~REQ_FAILFAST_DRIVER;

	if (rqd->bio) {
		blk_init_request_from_bio(rq, rqd->bio);
	} else {
		rq->ioprio = IOPRIO_PRIO_VALUE(IOPRIO_CLASS_BE, IOPRIO_NORM);
		rq->__data_len = 0;
	}

	return rq;
}