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-rw-r--r--src/spdk/lib/blob/request.c521
1 files changed, 521 insertions, 0 deletions
diff --git a/src/spdk/lib/blob/request.c b/src/spdk/lib/blob/request.c
new file mode 100644
index 000000000..0975bcf24
--- /dev/null
+++ b/src/spdk/lib/blob/request.c
@@ -0,0 +1,521 @@
+/*-
+ * 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.
+ */
+
+#include "spdk/stdinc.h"
+
+#include "blobstore.h"
+#include "request.h"
+
+#include "spdk/thread.h"
+#include "spdk/queue.h"
+
+#include "spdk_internal/log.h"
+
+void
+bs_call_cpl(struct spdk_bs_cpl *cpl, int bserrno)
+{
+ switch (cpl->type) {
+ case SPDK_BS_CPL_TYPE_BS_BASIC:
+ cpl->u.bs_basic.cb_fn(cpl->u.bs_basic.cb_arg,
+ bserrno);
+ break;
+ case SPDK_BS_CPL_TYPE_BS_HANDLE:
+ cpl->u.bs_handle.cb_fn(cpl->u.bs_handle.cb_arg,
+ bserrno == 0 ? cpl->u.bs_handle.bs : NULL,
+ bserrno);
+ break;
+ case SPDK_BS_CPL_TYPE_BLOB_BASIC:
+ cpl->u.blob_basic.cb_fn(cpl->u.blob_basic.cb_arg,
+ bserrno);
+ break;
+ case SPDK_BS_CPL_TYPE_BLOBID:
+ cpl->u.blobid.cb_fn(cpl->u.blobid.cb_arg,
+ bserrno == 0 ? cpl->u.blobid.blobid : SPDK_BLOBID_INVALID,
+ bserrno);
+ break;
+ case SPDK_BS_CPL_TYPE_BLOB_HANDLE:
+ cpl->u.blob_handle.cb_fn(cpl->u.blob_handle.cb_arg,
+ bserrno == 0 ? cpl->u.blob_handle.blob : NULL,
+ bserrno);
+ break;
+ case SPDK_BS_CPL_TYPE_NESTED_SEQUENCE:
+ cpl->u.nested_seq.cb_fn(cpl->u.nested_seq.cb_arg,
+ cpl->u.nested_seq.parent,
+ bserrno);
+ break;
+ case SPDK_BS_CPL_TYPE_NONE:
+ /* this completion's callback is handled elsewhere */
+ break;
+ }
+}
+
+static void
+bs_request_set_complete(struct spdk_bs_request_set *set)
+{
+ struct spdk_bs_cpl cpl = set->cpl;
+ int bserrno = set->bserrno;
+
+ TAILQ_INSERT_TAIL(&set->channel->reqs, set, link);
+
+ bs_call_cpl(&cpl, bserrno);
+}
+
+static void
+bs_sequence_completion(struct spdk_io_channel *channel, void *cb_arg, int bserrno)
+{
+ struct spdk_bs_request_set *set = cb_arg;
+
+ set->bserrno = bserrno;
+ set->u.sequence.cb_fn((spdk_bs_sequence_t *)set, set->u.sequence.cb_arg, bserrno);
+}
+
+spdk_bs_sequence_t *
+bs_sequence_start(struct spdk_io_channel *_channel,
+ struct spdk_bs_cpl *cpl)
+{
+ struct spdk_bs_channel *channel;
+ struct spdk_bs_request_set *set;
+
+ channel = spdk_io_channel_get_ctx(_channel);
+ assert(channel != NULL);
+ set = TAILQ_FIRST(&channel->reqs);
+ if (!set) {
+ return NULL;
+ }
+ TAILQ_REMOVE(&channel->reqs, set, link);
+
+ set->cpl = *cpl;
+ set->bserrno = 0;
+ set->channel = channel;
+
+ set->cb_args.cb_fn = bs_sequence_completion;
+ set->cb_args.cb_arg = set;
+ set->cb_args.channel = channel->dev_channel;
+
+ return (spdk_bs_sequence_t *)set;
+}
+
+void
+bs_sequence_read_bs_dev(spdk_bs_sequence_t *seq, struct spdk_bs_dev *bs_dev,
+ void *payload, uint64_t lba, uint32_t lba_count,
+ spdk_bs_sequence_cpl cb_fn, void *cb_arg)
+{
+ struct spdk_bs_request_set *set = (struct spdk_bs_request_set *)seq;
+ struct spdk_bs_channel *channel = set->channel;
+
+ SPDK_DEBUGLOG(SPDK_LOG_BLOB_RW, "Reading %" PRIu32 " blocks from LBA %" PRIu64 "\n", lba_count,
+ lba);
+
+ set->u.sequence.cb_fn = cb_fn;
+ set->u.sequence.cb_arg = cb_arg;
+
+ bs_dev->read(bs_dev, spdk_io_channel_from_ctx(channel), payload, lba, lba_count, &set->cb_args);
+}
+
+void
+bs_sequence_read_dev(spdk_bs_sequence_t *seq, void *payload,
+ uint64_t lba, uint32_t lba_count,
+ spdk_bs_sequence_cpl cb_fn, void *cb_arg)
+{
+ struct spdk_bs_request_set *set = (struct spdk_bs_request_set *)seq;
+ struct spdk_bs_channel *channel = set->channel;
+
+ SPDK_DEBUGLOG(SPDK_LOG_BLOB_RW, "Reading %" PRIu32 " blocks from LBA %" PRIu64 "\n", lba_count,
+ lba);
+
+ set->u.sequence.cb_fn = cb_fn;
+ set->u.sequence.cb_arg = cb_arg;
+
+ channel->dev->read(channel->dev, channel->dev_channel, payload, lba, lba_count, &set->cb_args);
+}
+
+void
+bs_sequence_write_dev(spdk_bs_sequence_t *seq, void *payload,
+ uint64_t lba, uint32_t lba_count,
+ spdk_bs_sequence_cpl cb_fn, void *cb_arg)
+{
+ struct spdk_bs_request_set *set = (struct spdk_bs_request_set *)seq;
+ struct spdk_bs_channel *channel = set->channel;
+
+ SPDK_DEBUGLOG(SPDK_LOG_BLOB_RW, "Writing %" PRIu32 " blocks from LBA %" PRIu64 "\n", lba_count,
+ lba);
+
+ set->u.sequence.cb_fn = cb_fn;
+ set->u.sequence.cb_arg = cb_arg;
+
+ channel->dev->write(channel->dev, channel->dev_channel, payload, lba, lba_count,
+ &set->cb_args);
+}
+
+void
+bs_sequence_readv_bs_dev(spdk_bs_sequence_t *seq, struct spdk_bs_dev *bs_dev,
+ struct iovec *iov, int iovcnt, uint64_t lba, uint32_t lba_count,
+ spdk_bs_sequence_cpl cb_fn, void *cb_arg)
+{
+ struct spdk_bs_request_set *set = (struct spdk_bs_request_set *)seq;
+ struct spdk_bs_channel *channel = set->channel;
+
+ SPDK_DEBUGLOG(SPDK_LOG_BLOB_RW, "Reading %" PRIu32 " blocks from LBA %" PRIu64 "\n", lba_count,
+ lba);
+
+ set->u.sequence.cb_fn = cb_fn;
+ set->u.sequence.cb_arg = cb_arg;
+
+ bs_dev->readv(bs_dev, spdk_io_channel_from_ctx(channel), iov, iovcnt, lba, lba_count,
+ &set->cb_args);
+}
+
+void
+bs_sequence_readv_dev(spdk_bs_sequence_t *seq, struct iovec *iov, int iovcnt,
+ uint64_t lba, uint32_t lba_count, spdk_bs_sequence_cpl cb_fn, void *cb_arg)
+{
+ struct spdk_bs_request_set *set = (struct spdk_bs_request_set *)seq;
+ struct spdk_bs_channel *channel = set->channel;
+
+ SPDK_DEBUGLOG(SPDK_LOG_BLOB_RW, "Reading %" PRIu32 " blocks from LBA %" PRIu64 "\n", lba_count,
+ lba);
+
+ set->u.sequence.cb_fn = cb_fn;
+ set->u.sequence.cb_arg = cb_arg;
+ channel->dev->readv(channel->dev, channel->dev_channel, iov, iovcnt, lba, lba_count,
+ &set->cb_args);
+}
+
+void
+bs_sequence_writev_dev(spdk_bs_sequence_t *seq, struct iovec *iov, int iovcnt,
+ uint64_t lba, uint32_t lba_count,
+ spdk_bs_sequence_cpl cb_fn, void *cb_arg)
+{
+ struct spdk_bs_request_set *set = (struct spdk_bs_request_set *)seq;
+ struct spdk_bs_channel *channel = set->channel;
+
+ SPDK_DEBUGLOG(SPDK_LOG_BLOB_RW, "Writing %" PRIu32 " blocks from LBA %" PRIu64 "\n", lba_count,
+ lba);
+
+ set->u.sequence.cb_fn = cb_fn;
+ set->u.sequence.cb_arg = cb_arg;
+
+ channel->dev->writev(channel->dev, channel->dev_channel, iov, iovcnt, lba, lba_count,
+ &set->cb_args);
+}
+
+void
+bs_sequence_write_zeroes_dev(spdk_bs_sequence_t *seq,
+ uint64_t lba, uint32_t lba_count,
+ spdk_bs_sequence_cpl cb_fn, void *cb_arg)
+{
+ struct spdk_bs_request_set *set = (struct spdk_bs_request_set *)seq;
+ struct spdk_bs_channel *channel = set->channel;
+
+ SPDK_DEBUGLOG(SPDK_LOG_BLOB_RW, "writing zeroes to %" PRIu32 " blocks at LBA %" PRIu64 "\n",
+ lba_count, lba);
+
+ set->u.sequence.cb_fn = cb_fn;
+ set->u.sequence.cb_arg = cb_arg;
+
+ channel->dev->write_zeroes(channel->dev, channel->dev_channel, lba, lba_count,
+ &set->cb_args);
+}
+
+void
+bs_sequence_finish(spdk_bs_sequence_t *seq, int bserrno)
+{
+ if (bserrno != 0) {
+ seq->bserrno = bserrno;
+ }
+ bs_request_set_complete((struct spdk_bs_request_set *)seq);
+}
+
+void
+bs_user_op_sequence_finish(void *cb_arg, int bserrno)
+{
+ spdk_bs_sequence_t *seq = cb_arg;
+
+ bs_sequence_finish(seq, bserrno);
+}
+
+static void
+bs_batch_completion(struct spdk_io_channel *_channel,
+ void *cb_arg, int bserrno)
+{
+ struct spdk_bs_request_set *set = cb_arg;
+
+ set->u.batch.outstanding_ops--;
+ if (bserrno != 0) {
+ set->bserrno = bserrno;
+ }
+
+ if (set->u.batch.outstanding_ops == 0 && set->u.batch.batch_closed) {
+ if (set->u.batch.cb_fn) {
+ set->cb_args.cb_fn = bs_sequence_completion;
+ set->u.batch.cb_fn((spdk_bs_sequence_t *)set, set->u.batch.cb_arg, bserrno);
+ } else {
+ bs_request_set_complete(set);
+ }
+ }
+}
+
+spdk_bs_batch_t *
+bs_batch_open(struct spdk_io_channel *_channel,
+ struct spdk_bs_cpl *cpl)
+{
+ struct spdk_bs_channel *channel;
+ struct spdk_bs_request_set *set;
+
+ channel = spdk_io_channel_get_ctx(_channel);
+ assert(channel != NULL);
+ set = TAILQ_FIRST(&channel->reqs);
+ if (!set) {
+ return NULL;
+ }
+ TAILQ_REMOVE(&channel->reqs, set, link);
+
+ set->cpl = *cpl;
+ set->bserrno = 0;
+ set->channel = channel;
+
+ set->u.batch.cb_fn = NULL;
+ set->u.batch.cb_arg = NULL;
+ set->u.batch.outstanding_ops = 0;
+ set->u.batch.batch_closed = 0;
+
+ set->cb_args.cb_fn = bs_batch_completion;
+ set->cb_args.cb_arg = set;
+ set->cb_args.channel = channel->dev_channel;
+
+ return (spdk_bs_batch_t *)set;
+}
+
+void
+bs_batch_read_bs_dev(spdk_bs_batch_t *batch, struct spdk_bs_dev *bs_dev,
+ void *payload, uint64_t lba, uint32_t lba_count)
+{
+ struct spdk_bs_request_set *set = (struct spdk_bs_request_set *)batch;
+ struct spdk_bs_channel *channel = set->channel;
+
+ SPDK_DEBUGLOG(SPDK_LOG_BLOB_RW, "Reading %" PRIu32 " blocks from LBA %" PRIu64 "\n", lba_count,
+ lba);
+
+ set->u.batch.outstanding_ops++;
+ bs_dev->read(bs_dev, spdk_io_channel_from_ctx(channel), payload, lba, lba_count, &set->cb_args);
+}
+
+void
+bs_batch_read_dev(spdk_bs_batch_t *batch, void *payload,
+ uint64_t lba, uint32_t lba_count)
+{
+ struct spdk_bs_request_set *set = (struct spdk_bs_request_set *)batch;
+ struct spdk_bs_channel *channel = set->channel;
+
+ SPDK_DEBUGLOG(SPDK_LOG_BLOB_RW, "Reading %" PRIu32 " blocks from LBA %" PRIu64 "\n", lba_count,
+ lba);
+
+ set->u.batch.outstanding_ops++;
+ channel->dev->read(channel->dev, channel->dev_channel, payload, lba, lba_count, &set->cb_args);
+}
+
+void
+bs_batch_write_dev(spdk_bs_batch_t *batch, void *payload,
+ uint64_t lba, uint32_t lba_count)
+{
+ struct spdk_bs_request_set *set = (struct spdk_bs_request_set *)batch;
+ struct spdk_bs_channel *channel = set->channel;
+
+ SPDK_DEBUGLOG(SPDK_LOG_BLOB_RW, "Writing %" PRIu32 " blocks to LBA %" PRIu64 "\n", lba_count, lba);
+
+ set->u.batch.outstanding_ops++;
+ channel->dev->write(channel->dev, channel->dev_channel, payload, lba, lba_count,
+ &set->cb_args);
+}
+
+void
+bs_batch_unmap_dev(spdk_bs_batch_t *batch,
+ uint64_t lba, uint32_t lba_count)
+{
+ struct spdk_bs_request_set *set = (struct spdk_bs_request_set *)batch;
+ struct spdk_bs_channel *channel = set->channel;
+
+ SPDK_DEBUGLOG(SPDK_LOG_BLOB_RW, "Unmapping %" PRIu32 " blocks at LBA %" PRIu64 "\n", lba_count,
+ lba);
+
+ set->u.batch.outstanding_ops++;
+ channel->dev->unmap(channel->dev, channel->dev_channel, lba, lba_count,
+ &set->cb_args);
+}
+
+void
+bs_batch_write_zeroes_dev(spdk_bs_batch_t *batch,
+ uint64_t lba, uint32_t lba_count)
+{
+ struct spdk_bs_request_set *set = (struct spdk_bs_request_set *)batch;
+ struct spdk_bs_channel *channel = set->channel;
+
+ SPDK_DEBUGLOG(SPDK_LOG_BLOB_RW, "Zeroing %" PRIu32 " blocks at LBA %" PRIu64 "\n", lba_count, lba);
+
+ set->u.batch.outstanding_ops++;
+ channel->dev->write_zeroes(channel->dev, channel->dev_channel, lba, lba_count,
+ &set->cb_args);
+}
+
+void
+bs_batch_close(spdk_bs_batch_t *batch)
+{
+ struct spdk_bs_request_set *set = (struct spdk_bs_request_set *)batch;
+
+ set->u.batch.batch_closed = 1;
+
+ if (set->u.batch.outstanding_ops == 0) {
+ if (set->u.batch.cb_fn) {
+ set->cb_args.cb_fn = bs_sequence_completion;
+ set->u.batch.cb_fn((spdk_bs_sequence_t *)set, set->u.batch.cb_arg, set->bserrno);
+ } else {
+ bs_request_set_complete(set);
+ }
+ }
+}
+
+spdk_bs_batch_t *
+bs_sequence_to_batch(spdk_bs_sequence_t *seq, spdk_bs_sequence_cpl cb_fn, void *cb_arg)
+{
+ struct spdk_bs_request_set *set = (struct spdk_bs_request_set *)seq;
+
+ set->u.batch.cb_fn = cb_fn;
+ set->u.batch.cb_arg = cb_arg;
+ set->u.batch.outstanding_ops = 0;
+ set->u.batch.batch_closed = 0;
+
+ set->cb_args.cb_fn = bs_batch_completion;
+
+ return set;
+}
+
+spdk_bs_user_op_t *
+bs_user_op_alloc(struct spdk_io_channel *_channel, struct spdk_bs_cpl *cpl,
+ enum spdk_blob_op_type op_type, struct spdk_blob *blob,
+ void *payload, int iovcnt, uint64_t offset, uint64_t length)
+{
+ struct spdk_bs_channel *channel;
+ struct spdk_bs_request_set *set;
+ struct spdk_bs_user_op_args *args;
+
+ channel = spdk_io_channel_get_ctx(_channel);
+ assert(channel != NULL);
+ set = TAILQ_FIRST(&channel->reqs);
+ if (!set) {
+ return NULL;
+ }
+ TAILQ_REMOVE(&channel->reqs, set, link);
+
+ set->cpl = *cpl;
+ set->channel = channel;
+
+ args = &set->u.user_op;
+
+ args->type = op_type;
+ args->iovcnt = iovcnt;
+ args->blob = blob;
+ args->offset = offset;
+ args->length = length;
+ args->payload = payload;
+
+ return (spdk_bs_user_op_t *)set;
+}
+
+void
+bs_user_op_execute(spdk_bs_user_op_t *op)
+{
+ struct spdk_bs_request_set *set;
+ struct spdk_bs_user_op_args *args;
+ struct spdk_io_channel *ch;
+
+ set = (struct spdk_bs_request_set *)op;
+ args = &set->u.user_op;
+ ch = spdk_io_channel_from_ctx(set->channel);
+
+ switch (args->type) {
+ case SPDK_BLOB_READ:
+ spdk_blob_io_read(args->blob, ch, args->payload, args->offset, args->length,
+ set->cpl.u.blob_basic.cb_fn, set->cpl.u.blob_basic.cb_arg);
+ break;
+ case SPDK_BLOB_WRITE:
+ spdk_blob_io_write(args->blob, ch, args->payload, args->offset, args->length,
+ set->cpl.u.blob_basic.cb_fn, set->cpl.u.blob_basic.cb_arg);
+ break;
+ case SPDK_BLOB_UNMAP:
+ spdk_blob_io_unmap(args->blob, ch, args->offset, args->length,
+ set->cpl.u.blob_basic.cb_fn, set->cpl.u.blob_basic.cb_arg);
+ break;
+ case SPDK_BLOB_WRITE_ZEROES:
+ spdk_blob_io_write_zeroes(args->blob, ch, args->offset, args->length,
+ set->cpl.u.blob_basic.cb_fn, set->cpl.u.blob_basic.cb_arg);
+ break;
+ case SPDK_BLOB_READV:
+ spdk_blob_io_readv(args->blob, ch, args->payload, args->iovcnt,
+ args->offset, args->length,
+ set->cpl.u.blob_basic.cb_fn, set->cpl.u.blob_basic.cb_arg);
+ break;
+ case SPDK_BLOB_WRITEV:
+ spdk_blob_io_writev(args->blob, ch, args->payload, args->iovcnt,
+ args->offset, args->length,
+ set->cpl.u.blob_basic.cb_fn, set->cpl.u.blob_basic.cb_arg);
+ break;
+ }
+ TAILQ_INSERT_TAIL(&set->channel->reqs, set, link);
+}
+
+void
+bs_user_op_abort(spdk_bs_user_op_t *op)
+{
+ struct spdk_bs_request_set *set;
+
+ set = (struct spdk_bs_request_set *)op;
+
+ set->cpl.u.blob_basic.cb_fn(set->cpl.u.blob_basic.cb_arg, -EIO);
+ TAILQ_INSERT_TAIL(&set->channel->reqs, set, link);
+}
+
+void
+bs_sequence_to_batch_completion(void *cb_arg, int bserrno)
+{
+ struct spdk_bs_request_set *set = (struct spdk_bs_request_set *)cb_arg;
+
+ set->u.batch.outstanding_ops--;
+
+ if (set->u.batch.outstanding_ops == 0 && set->u.batch.batch_closed) {
+ if (set->cb_args.cb_fn) {
+ set->cb_args.cb_fn(set->cb_args.channel, set->cb_args.cb_arg, bserrno);
+ }
+ }
+}
+
+SPDK_LOG_REGISTER_COMPONENT("blob_rw", SPDK_LOG_BLOB_RW)
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-05 12:45:07 +0000