ivampiresp/Spdk
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

accel: pull data if srcbuf is in remote memory domain

Browse Source 
If the source buffer is from a remote memory domain, we will now pull it
to the temporary bounce buffer before a task is executed.

Signed-off-by: Konrad Sztyber <konrad.sztyber@intel.com>
Change-Id: I476684a4359410c69dd69a2b425b9e61d4c55a7e
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/15947
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Aleksey Marchuk <alexeymar@nvidia.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
This commit is contained in:
Konrad Sztyber 2022-12-12 16:38:09 +01:00 committed by Jim Harris
parent 78186df493
commit 316f9ea3f5
2 changed files with 57 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

51
lib/accel/accel.c
View File

@ -67,6 +67,8 @@ enum accel_sequence_state {
ACCEL_SEQUENCE_STATE_AWAIT_VIRTBUF,
ACCEL_SEQUENCE_STATE_CHECK_BOUNCEBUF,
ACCEL_SEQUENCE_STATE_AWAIT_BOUNCEBUF,
ACCEL_SEQUENCE_STATE_PULL_DATA,
ACCEL_SEQUENCE_STATE_AWAIT_PULL_DATA,
ACCEL_SEQUENCE_STATE_EXEC_TASK,
ACCEL_SEQUENCE_STATE_AWAIT_TASK,
ACCEL_SEQUENCE_STATE_COMPLETE_TASK,
@ -81,6 +83,8 @@ __attribute__((unused)) = {
[ACCEL_SEQUENCE_STATE_AWAIT_VIRTBUF] = "await-virtbuf",
[ACCEL_SEQUENCE_STATE_CHECK_BOUNCEBUF] = "check-bouncebuf",
[ACCEL_SEQUENCE_STATE_AWAIT_BOUNCEBUF] = "await-bouncebuf",
[ACCEL_SEQUENCE_STATE_PULL_DATA] = "pull-data",
[ACCEL_SEQUENCE_STATE_AWAIT_PULL_DATA] = "await-pull-data",
[ACCEL_SEQUENCE_STATE_EXEC_TASK] = "exec-task",
[ACCEL_SEQUENCE_STATE_AWAIT_TASK] = "await-task",
[ACCEL_SEQUENCE_STATE_COMPLETE_TASK] = "complete-task",
@ -247,6 +251,8 @@ _get_task(struct accel_io_channel *accel_ch, spdk_accel_completion_cb cb_fn, voi
accel_task->cb_fn = cb_fn;
accel_task->cb_arg = cb_arg;
accel_task->accel_ch = accel_ch;
accel_task->bounce.s.orig_iovs = NULL;
accel_task->bounce.d.orig_iovs = NULL;
return accel_task;
}
@ -1222,6 +1228,42 @@ accel_sequence_check_bouncebuf(struct spdk_accel_sequence *seq, struct spdk_acce
return 0;
}
static void
accel_task_pull_data_cb(void *ctx, int status)
{
struct spdk_accel_sequence *seq = ctx;
assert(seq->state == ACCEL_SEQUENCE_STATE_AWAIT_PULL_DATA);
if (spdk_likely(status == 0)) {
accel_sequence_set_state(seq, ACCEL_SEQUENCE_STATE_EXEC_TASK);
} else {
accel_sequence_set_fail(seq, status);
}
accel_process_sequence(seq);
}
static void
accel_task_pull_data(struct spdk_accel_sequence *seq, struct spdk_accel_task *task)
{
int rc;
assert(task->bounce.s.orig_iovs != NULL);
assert(task->bounce.s.orig_domain != NULL);
assert(task->bounce.s.orig_domain != g_accel_domain);
rc = spdk_memory_domain_pull_data(task->bounce.s.orig_domain,
task->bounce.s.orig_domain_ctx,
task->bounce.s.orig_iovs, task->bounce.s.orig_iovcnt,
task->s.iovs, task->s.iovcnt,
accel_task_pull_data_cb, seq);
if (spdk_unlikely(rc != 0)) {
SPDK_ERRLOG("Failed to pull data from memory domain: %s, rc: %d\n",
spdk_memory_domain_get_dma_device_id(task->bounce.s.orig_domain), rc);
accel_sequence_set_fail(seq, rc);
}
}
static void
accel_process_sequence(struct spdk_accel_sequence *seq)
{
@ -1265,6 +1307,10 @@ accel_process_sequence(struct spdk_accel_sequence *seq)
accel_sequence_set_fail(seq, rc);
break;
}
if (task->bounce.s.orig_iovs != NULL) {
accel_sequence_set_state(seq, ACCEL_SEQUENCE_STATE_PULL_DATA);
break;
}
accel_sequence_set_state(seq, ACCEL_SEQUENCE_STATE_EXEC_TASK);
/* Fall through */
case ACCEL_SEQUENCE_STATE_EXEC_TASK:
@ -1285,6 +1331,10 @@ accel_process_sequence(struct spdk_accel_sequence *seq)
accel_sequence_set_fail(seq, rc);
}
break;
case ACCEL_SEQUENCE_STATE_PULL_DATA:
accel_sequence_set_state(seq, ACCEL_SEQUENCE_STATE_AWAIT_PULL_DATA);
accel_task_pull_data(seq, task);
break;
case ACCEL_SEQUENCE_STATE_COMPLETE_TASK:
TAILQ_REMOVE(&seq->tasks, task, seq_link);
TAILQ_INSERT_TAIL(&seq->completed, task, seq_link);
@ -1306,6 +1356,7 @@ accel_process_sequence(struct spdk_accel_sequence *seq)
return;
case ACCEL_SEQUENCE_STATE_AWAIT_VIRTBUF:
case ACCEL_SEQUENCE_STATE_AWAIT_BOUNCEBUF:
case ACCEL_SEQUENCE_STATE_AWAIT_PULL_DATA:
case ACCEL_SEQUENCE_STATE_AWAIT_TASK:
break;
default:

6
test/unit/lib/accel/accel.c/accel_ut.c
View File

@ -20,6 +20,12 @@ DEFINE_STUB(pmem_is_pmem, int, (const void *addr, size_t len), 0);
DEFINE_STUB(pmem_memset_persist, void *, (void *pmemdest, int c, size_t len), NULL);
#endif
DEFINE_STUB_V(spdk_memory_domain_destroy, (struct spdk_memory_domain *domain));
DEFINE_STUB(spdk_memory_domain_pull_data, int,
(struct spdk_memory_domain *sd, void *sctx, struct iovec *siov, uint32_t siovcnt,
struct iovec *diov, uint32_t diovcnt, spdk_memory_domain_data_cpl_cb cpl_cb,
void *cpl_arg), 0);
DEFINE_STUB(spdk_memory_domain_get_dma_device_id, const char *,
(struct spdk_memory_domain *domain), "UT_DMA");
#ifdef SPDK_CONFIG_ISAL
DEFINE_STUB_V(XTS_AES_128_enc, (uint8_t *k2, uint8_t *k1, uint8_t *tweak, uint64_t lba_size,
const uint8_t *src, uint8_t *dst));