1 /* SPDX-License-Identifier: BSD-3-Clause
9 #include <rte_atomic.h>
10 #include <rte_lcore.h>
11 #include <rte_rawdev.h>
12 #include <rte_rawdev_pmd.h>
13 #include <rte_malloc.h>
15 #include <rte_mempool.h>
17 #include <mc/fsl_dpdmai.h>
18 #include <portal/dpaa2_hw_pvt.h>
19 #include <portal/dpaa2_hw_dpio.h>
21 #include "dpaa2_qdma.h"
22 #include "dpaa2_qdma_logs.h"
23 #include "rte_pmd_dpaa2_qdma.h"
25 /* Dynamic log type identifier */
26 int dpaa2_qdma_logtype;
29 static struct qdma_device qdma_dev;
31 /* QDMA H/W queues list */
32 TAILQ_HEAD(qdma_hw_queue_list, qdma_hw_queue);
33 static struct qdma_hw_queue_list qdma_queue_list
34 = TAILQ_HEAD_INITIALIZER(qdma_queue_list);
36 /* QDMA Virtual Queues */
37 struct qdma_virt_queue *qdma_vqs;
39 /* QDMA per core data */
40 struct qdma_per_core_info qdma_core_info[RTE_MAX_LCORE];
42 static struct qdma_hw_queue *
43 alloc_hw_queue(uint32_t lcore_id)
45 struct qdma_hw_queue *queue = NULL;
47 DPAA2_QDMA_FUNC_TRACE();
49 /* Get a free queue from the list */
50 TAILQ_FOREACH(queue, &qdma_queue_list, next) {
51 if (queue->num_users == 0) {
52 queue->lcore_id = lcore_id;
62 free_hw_queue(struct qdma_hw_queue *queue)
64 DPAA2_QDMA_FUNC_TRACE();
70 static struct qdma_hw_queue *
71 get_hw_queue(uint32_t lcore_id)
73 struct qdma_per_core_info *core_info;
74 struct qdma_hw_queue *queue, *temp;
75 uint32_t least_num_users;
78 DPAA2_QDMA_FUNC_TRACE();
80 core_info = &qdma_core_info[lcore_id];
81 num_hw_queues = core_info->num_hw_queues;
84 * Allocate a HW queue if there are less queues
85 * than maximum per core queues configured
87 if (num_hw_queues < qdma_dev.max_hw_queues_per_core) {
88 queue = alloc_hw_queue(lcore_id);
90 core_info->hw_queues[num_hw_queues] = queue;
91 core_info->num_hw_queues++;
96 queue = core_info->hw_queues[0];
97 /* In case there is no queue associated with the core return NULL */
101 /* Fetch the least loaded H/W queue */
102 least_num_users = core_info->hw_queues[0]->num_users;
103 for (i = 0; i < num_hw_queues; i++) {
104 temp = core_info->hw_queues[i];
105 if (temp->num_users < least_num_users)
116 put_hw_queue(struct qdma_hw_queue *queue)
118 struct qdma_per_core_info *core_info;
119 int lcore_id, num_hw_queues, i;
121 DPAA2_QDMA_FUNC_TRACE();
124 * If this is the last user of the queue free it.
125 * Also remove it from QDMA core info.
127 if (queue->num_users == 1) {
128 free_hw_queue(queue);
130 /* Remove the physical queue from core info */
131 lcore_id = queue->lcore_id;
132 core_info = &qdma_core_info[lcore_id];
133 num_hw_queues = core_info->num_hw_queues;
134 for (i = 0; i < num_hw_queues; i++) {
135 if (queue == core_info->hw_queues[i])
138 for (; i < num_hw_queues - 1; i++)
139 core_info->hw_queues[i] = core_info->hw_queues[i + 1];
140 core_info->hw_queues[i] = NULL;
146 int __rte_experimental
149 DPAA2_QDMA_FUNC_TRACE();
151 rte_spinlock_init(&qdma_dev.lock);
156 void __rte_experimental
157 rte_qdma_attr_get(struct rte_qdma_attr *qdma_attr)
159 DPAA2_QDMA_FUNC_TRACE();
161 qdma_attr->num_hw_queues = qdma_dev.num_hw_queues;
164 int __rte_experimental
167 struct qdma_hw_queue *queue;
170 DPAA2_QDMA_FUNC_TRACE();
172 /* In case QDMA device is not in stopped state, return -EBUSY */
173 if (qdma_dev.state == 1) {
175 "Device is in running state. Stop before reset.");
179 /* In case there are pending jobs on any VQ, return -EBUSY */
180 for (i = 0; i < qdma_dev.max_vqs; i++) {
181 if (qdma_vqs[i].in_use && (qdma_vqs[i].num_enqueues !=
182 qdma_vqs[i].num_dequeues))
183 DPAA2_QDMA_ERR("Jobs are still pending on VQ: %d", i);
187 /* Reset HW queues */
188 TAILQ_FOREACH(queue, &qdma_queue_list, next)
189 queue->num_users = 0;
191 /* Reset and free virtual queues */
192 for (i = 0; i < qdma_dev.max_vqs; i++) {
193 if (qdma_vqs[i].status_ring)
194 rte_ring_free(qdma_vqs[i].status_ring);
200 /* Reset per core info */
201 memset(&qdma_core_info, 0,
202 sizeof(struct qdma_per_core_info) * RTE_MAX_LCORE);
204 /* Free the FLE pool */
205 if (qdma_dev.fle_pool)
206 rte_mempool_free(qdma_dev.fle_pool);
208 /* Reset QDMA device structure */
209 qdma_dev.mode = RTE_QDMA_MODE_HW;
210 qdma_dev.max_hw_queues_per_core = 0;
211 qdma_dev.fle_pool = NULL;
212 qdma_dev.fle_pool_count = 0;
213 qdma_dev.max_vqs = 0;
218 int __rte_experimental
219 rte_qdma_configure(struct rte_qdma_config *qdma_config)
223 DPAA2_QDMA_FUNC_TRACE();
225 /* In case QDMA device is not in stopped state, return -EBUSY */
226 if (qdma_dev.state == 1) {
228 "Device is in running state. Stop before config.");
232 /* Reset the QDMA device */
233 ret = rte_qdma_reset();
235 DPAA2_QDMA_ERR("Resetting QDMA failed");
240 qdma_dev.mode = qdma_config->mode;
242 /* Set max HW queue per core */
243 if (qdma_config->max_hw_queues_per_core > MAX_HW_QUEUE_PER_CORE) {
244 DPAA2_QDMA_ERR("H/W queues per core is more than: %d",
245 MAX_HW_QUEUE_PER_CORE);
248 qdma_dev.max_hw_queues_per_core =
249 qdma_config->max_hw_queues_per_core;
251 /* Allocate Virtual Queues */
252 qdma_vqs = rte_malloc("qdma_virtual_queues",
253 (sizeof(struct qdma_virt_queue) * qdma_config->max_vqs),
254 RTE_CACHE_LINE_SIZE);
256 DPAA2_QDMA_ERR("qdma_virtual_queues allocation failed");
259 qdma_dev.max_vqs = qdma_config->max_vqs;
261 /* Allocate FLE pool */
262 qdma_dev.fle_pool = rte_mempool_create("qdma_fle_pool",
263 qdma_config->fle_pool_count, QDMA_FLE_POOL_SIZE,
264 QDMA_FLE_CACHE_SIZE(qdma_config->fle_pool_count), 0,
265 NULL, NULL, NULL, NULL, SOCKET_ID_ANY, 0);
266 if (!qdma_dev.fle_pool) {
267 DPAA2_QDMA_ERR("qdma_fle_pool create failed");
272 qdma_dev.fle_pool_count = qdma_config->fle_pool_count;
277 int __rte_experimental
280 DPAA2_QDMA_FUNC_TRACE();
287 int __rte_experimental
288 rte_qdma_vq_create(uint32_t lcore_id, uint32_t flags)
293 DPAA2_QDMA_FUNC_TRACE();
295 rte_spinlock_lock(&qdma_dev.lock);
297 /* Get a free Virtual Queue */
298 for (i = 0; i < qdma_dev.max_vqs; i++) {
299 if (qdma_vqs[i].in_use == 0)
303 /* Return in case no VQ is free */
304 if (i == qdma_dev.max_vqs) {
305 rte_spinlock_unlock(&qdma_dev.lock);
309 if (qdma_dev.mode == RTE_QDMA_MODE_HW ||
310 (flags & RTE_QDMA_VQ_EXCLUSIVE_PQ)) {
311 /* Allocate HW queue for a VQ */
312 qdma_vqs[i].hw_queue = alloc_hw_queue(lcore_id);
313 qdma_vqs[i].exclusive_hw_queue = 1;
315 /* Allocate a Ring for Virutal Queue in VQ mode */
316 sprintf(ring_name, "status ring %d", i);
317 qdma_vqs[i].status_ring = rte_ring_create(ring_name,
318 qdma_dev.fle_pool_count, rte_socket_id(), 0);
319 if (!qdma_vqs[i].status_ring) {
320 DPAA2_QDMA_ERR("Status ring creation failed for vq");
321 rte_spinlock_unlock(&qdma_dev.lock);
325 /* Get a HW queue (shared) for a VQ */
326 qdma_vqs[i].hw_queue = get_hw_queue(lcore_id);
327 qdma_vqs[i].exclusive_hw_queue = 0;
330 if (qdma_vqs[i].hw_queue == NULL) {
331 DPAA2_QDMA_ERR("No H/W queue available for VQ");
332 if (qdma_vqs[i].status_ring)
333 rte_ring_free(qdma_vqs[i].status_ring);
334 qdma_vqs[i].status_ring = NULL;
335 rte_spinlock_unlock(&qdma_dev.lock);
339 qdma_vqs[i].in_use = 1;
340 qdma_vqs[i].lcore_id = lcore_id;
342 rte_spinlock_unlock(&qdma_dev.lock);
348 dpaa2_qdma_populate_fle(struct qbman_fle *fle,
349 uint64_t src, uint64_t dest,
350 size_t len, uint32_t flags)
352 struct qdma_sdd *sdd;
354 DPAA2_QDMA_FUNC_TRACE();
356 sdd = (struct qdma_sdd *)((uint8_t *)(fle) +
357 (DPAA2_QDMA_MAX_FLE * sizeof(struct qbman_fle)));
359 /* first frame list to source descriptor */
360 DPAA2_SET_FLE_ADDR(fle, DPAA2_VADDR_TO_IOVA(sdd));
361 DPAA2_SET_FLE_LEN(fle, (2 * (sizeof(struct qdma_sdd))));
363 /* source and destination descriptor */
364 DPAA2_SET_SDD_RD_COHERENT(sdd); /* source descriptor CMD */
366 DPAA2_SET_SDD_WR_COHERENT(sdd); /* dest descriptor CMD */
369 /* source frame list to source buffer */
370 if (flags & RTE_QDMA_JOB_SRC_PHY) {
371 DPAA2_SET_FLE_ADDR(fle, src);
372 DPAA2_SET_FLE_BMT(fle);
374 DPAA2_SET_FLE_ADDR(fle, DPAA2_VADDR_TO_IOVA(src));
376 DPAA2_SET_FLE_LEN(fle, len);
379 /* destination frame list to destination buffer */
380 if (flags & RTE_QDMA_JOB_DEST_PHY) {
381 DPAA2_SET_FLE_BMT(fle);
382 DPAA2_SET_FLE_ADDR(fle, dest);
384 DPAA2_SET_FLE_ADDR(fle, DPAA2_VADDR_TO_IOVA(dest));
386 DPAA2_SET_FLE_LEN(fle, len);
388 /* Final bit: 1, for last frame list */
389 DPAA2_SET_FLE_FIN(fle);
393 dpdmai_dev_enqueue(struct dpaa2_dpdmai_dev *dpdmai_dev,
396 struct rte_qdma_job *job)
398 struct qdma_io_meta *io_meta;
400 struct dpaa2_queue *txq;
401 struct qbman_fle *fle;
402 struct qbman_eq_desc eqdesc;
403 struct qbman_swp *swp;
406 DPAA2_QDMA_FUNC_TRACE();
408 if (unlikely(!DPAA2_PER_LCORE_DPIO)) {
409 ret = dpaa2_affine_qbman_swp();
411 DPAA2_QDMA_ERR("Failure in affining portal");
415 swp = DPAA2_PER_LCORE_PORTAL;
417 txq = &(dpdmai_dev->tx_queue[txq_id]);
419 /* Prepare enqueue descriptor */
420 qbman_eq_desc_clear(&eqdesc);
421 qbman_eq_desc_set_fq(&eqdesc, txq->fqid);
422 qbman_eq_desc_set_no_orp(&eqdesc, 0);
423 qbman_eq_desc_set_response(&eqdesc, 0, 0);
426 * Get an FLE/SDD from FLE pool.
427 * Note: IO metadata is before the FLE and SDD memory.
429 ret = rte_mempool_get(qdma_dev.fle_pool, (void **)(&io_meta));
431 DPAA2_QDMA_DP_WARN("Memory alloc failed for FLE");
435 /* Set the metadata */
436 io_meta->cnxt = (size_t)job;
439 fle = (struct qbman_fle *)(io_meta + 1);
441 /* populate Frame descriptor */
442 memset(&fd, 0, sizeof(struct qbman_fd));
443 DPAA2_SET_FD_ADDR(&fd, DPAA2_VADDR_TO_IOVA(fle));
444 DPAA2_SET_FD_COMPOUND_FMT(&fd);
445 DPAA2_SET_FD_FRC(&fd, QDMA_SER_CTX);
448 memset(fle, 0, QDMA_FLE_POOL_SIZE);
449 dpaa2_qdma_populate_fle(fle, job->src, job->dest, job->len, job->flags);
451 /* Enqueue the packet to the QBMAN */
453 ret = qbman_swp_enqueue_multiple(swp, &eqdesc, &fd, NULL, 1);
454 if (ret < 0 && ret != -EBUSY)
455 DPAA2_QDMA_ERR("Transmit failure with err: %d", ret);
456 } while (ret == -EBUSY);
458 DPAA2_QDMA_DP_DEBUG("Successfully transmitted a packet");
463 int __rte_experimental
464 rte_qdma_vq_enqueue_multi(uint16_t vq_id,
465 struct rte_qdma_job **job,
470 DPAA2_QDMA_FUNC_TRACE();
472 for (i = 0; i < nb_jobs; i++) {
473 ret = rte_qdma_vq_enqueue(vq_id, job[i]);
481 int __rte_experimental
482 rte_qdma_vq_enqueue(uint16_t vq_id,
483 struct rte_qdma_job *job)
485 struct qdma_virt_queue *qdma_vq = &qdma_vqs[vq_id];
486 struct qdma_hw_queue *qdma_pq = qdma_vq->hw_queue;
487 struct dpaa2_dpdmai_dev *dpdmai_dev = qdma_pq->dpdmai_dev;
490 DPAA2_QDMA_FUNC_TRACE();
492 /* Return error in case of wrong lcore_id */
493 if (rte_lcore_id() != qdma_vq->lcore_id) {
494 DPAA2_QDMA_ERR("QDMA enqueue for vqid %d on wrong core",
499 ret = dpdmai_dev_enqueue(dpdmai_dev, qdma_pq->queue_id, vq_id, job);
501 DPAA2_QDMA_ERR("DPDMAI device enqueue failed: %d", ret);
505 qdma_vq->num_enqueues++;
510 /* Function to receive a QDMA job for a given device and queue*/
512 dpdmai_dev_dequeue(struct dpaa2_dpdmai_dev *dpdmai_dev,
515 struct rte_qdma_job **job)
517 struct qdma_io_meta *io_meta;
518 struct dpaa2_queue *rxq;
519 struct qbman_result *dq_storage;
520 struct qbman_pull_desc pulldesc;
521 const struct qbman_fd *fd;
522 struct qbman_swp *swp;
523 struct qbman_fle *fle;
528 DPAA2_QDMA_FUNC_TRACE();
530 if (unlikely(!DPAA2_PER_LCORE_DPIO)) {
531 ret = dpaa2_affine_qbman_swp();
533 DPAA2_QDMA_ERR("Failure in affining portal");
537 swp = DPAA2_PER_LCORE_PORTAL;
539 rxq = &(dpdmai_dev->rx_queue[rxq_id]);
540 dq_storage = rxq->q_storage->dq_storage[0];
543 /* Prepare dequeue descriptor */
544 qbman_pull_desc_clear(&pulldesc);
545 qbman_pull_desc_set_fq(&pulldesc, fqid);
546 qbman_pull_desc_set_storage(&pulldesc, dq_storage,
547 (uint64_t)(DPAA2_VADDR_TO_IOVA(dq_storage)), 1);
548 qbman_pull_desc_set_numframes(&pulldesc, 1);
551 if (qbman_swp_pull(swp, &pulldesc)) {
552 DPAA2_QDMA_DP_WARN("VDQ command not issued. QBMAN busy");
558 /* Check if previous issued command is completed. */
559 while (!qbman_check_command_complete(dq_storage))
561 /* Loop until dq_storage is updated with new token by QBMAN */
562 while (!qbman_check_new_result(dq_storage))
565 /* Check for valid frame. */
566 status = qbman_result_DQ_flags(dq_storage);
567 if (unlikely((status & QBMAN_DQ_STAT_VALIDFRAME) == 0)) {
568 DPAA2_QDMA_DP_DEBUG("No frame is delivered");
573 fd = qbman_result_DQ_fd(dq_storage);
576 * Fetch metadata from FLE. job and vq_id were set
577 * in metadata in the enqueue operation.
579 fle = (struct qbman_fle *)DPAA2_IOVA_TO_VADDR(DPAA2_GET_FD_ADDR(fd));
580 io_meta = (struct qdma_io_meta *)(fle) - 1;
582 *vq_id = io_meta->id;
584 *job = (struct rte_qdma_job *)(size_t)io_meta->cnxt;
585 (*job)->status = DPAA2_GET_FD_ERR(fd);
587 /* Free FLE to the pool */
588 rte_mempool_put(qdma_dev.fle_pool, io_meta);
590 DPAA2_QDMA_DP_DEBUG("packet received");
595 int __rte_experimental
596 rte_qdma_vq_dequeue_multi(uint16_t vq_id,
597 struct rte_qdma_job **job,
602 DPAA2_QDMA_FUNC_TRACE();
604 for (i = 0; i < nb_jobs; i++) {
605 job[i] = rte_qdma_vq_dequeue(vq_id);
613 struct rte_qdma_job * __rte_experimental
614 rte_qdma_vq_dequeue(uint16_t vq_id)
616 struct qdma_virt_queue *qdma_vq = &qdma_vqs[vq_id];
617 struct qdma_hw_queue *qdma_pq = qdma_vq->hw_queue;
618 struct dpaa2_dpdmai_dev *dpdmai_dev = qdma_pq->dpdmai_dev;
619 struct rte_qdma_job *job = NULL;
620 struct qdma_virt_queue *temp_qdma_vq;
621 int dequeue_budget = QDMA_DEQUEUE_BUDGET;
622 int ring_count, ret, i;
625 DPAA2_QDMA_FUNC_TRACE();
627 /* Return error in case of wrong lcore_id */
628 if (rte_lcore_id() != (unsigned int)(qdma_vq->lcore_id)) {
629 DPAA2_QDMA_ERR("QDMA dequeue for vqid %d on wrong core",
634 /* Only dequeue when there are pending jobs on VQ */
635 if (qdma_vq->num_enqueues == qdma_vq->num_dequeues)
638 if (qdma_vq->exclusive_hw_queue) {
639 /* In case of exclusive queue directly fetch from HW queue */
640 ret = dpdmai_dev_dequeue(dpdmai_dev, qdma_pq->queue_id,
644 "Dequeue from DPDMAI device failed: %d", ret);
649 * Get the QDMA completed jobs from the software ring.
650 * In case they are not available on the ring poke the HW
651 * to fetch completed jobs from corresponding HW queues
653 ring_count = rte_ring_count(qdma_vq->status_ring);
654 if (ring_count == 0) {
655 /* TODO - How to have right budget */
656 for (i = 0; i < dequeue_budget; i++) {
657 ret = dpdmai_dev_dequeue(dpdmai_dev,
658 qdma_pq->queue_id, &temp_vq_id, &job);
661 temp_qdma_vq = &qdma_vqs[temp_vq_id];
662 rte_ring_enqueue(temp_qdma_vq->status_ring,
664 ring_count = rte_ring_count(
665 qdma_vq->status_ring);
671 /* Dequeue job from the software ring to provide to the user */
672 rte_ring_dequeue(qdma_vq->status_ring, (void **)&job);
674 qdma_vq->num_dequeues++;
680 void __rte_experimental
681 rte_qdma_vq_stats(uint16_t vq_id,
682 struct rte_qdma_vq_stats *vq_status)
684 struct qdma_virt_queue *qdma_vq = &qdma_vqs[vq_id];
686 DPAA2_QDMA_FUNC_TRACE();
688 if (qdma_vq->in_use) {
689 vq_status->exclusive_hw_queue = qdma_vq->exclusive_hw_queue;
690 vq_status->lcore_id = qdma_vq->lcore_id;
691 vq_status->num_enqueues = qdma_vq->num_enqueues;
692 vq_status->num_dequeues = qdma_vq->num_dequeues;
693 vq_status->num_pending_jobs = vq_status->num_enqueues -
694 vq_status->num_dequeues;
698 int __rte_experimental
699 rte_qdma_vq_destroy(uint16_t vq_id)
701 struct qdma_virt_queue *qdma_vq = &qdma_vqs[vq_id];
703 DPAA2_QDMA_FUNC_TRACE();
705 /* In case there are pending jobs on any VQ, return -EBUSY */
706 if (qdma_vq->num_enqueues != qdma_vq->num_dequeues)
709 rte_spinlock_lock(&qdma_dev.lock);
711 if (qdma_vq->exclusive_hw_queue)
712 free_hw_queue(qdma_vq->hw_queue);
714 if (qdma_vqs->status_ring)
715 rte_ring_free(qdma_vqs->status_ring);
717 put_hw_queue(qdma_vq->hw_queue);
720 memset(qdma_vq, 0, sizeof(struct qdma_virt_queue));
722 rte_spinlock_lock(&qdma_dev.lock);
727 void __rte_experimental
730 DPAA2_QDMA_FUNC_TRACE();
735 void __rte_experimental
736 rte_qdma_destroy(void)
738 DPAA2_QDMA_FUNC_TRACE();
743 static const struct rte_rawdev_ops dpaa2_qdma_ops;
746 add_hw_queues_to_list(struct dpaa2_dpdmai_dev *dpdmai_dev)
748 struct qdma_hw_queue *queue;
751 DPAA2_QDMA_FUNC_TRACE();
753 for (i = 0; i < dpdmai_dev->num_queues; i++) {
754 queue = rte_zmalloc(NULL, sizeof(struct qdma_hw_queue), 0);
757 "Memory allocation failed for QDMA queue");
761 queue->dpdmai_dev = dpdmai_dev;
764 TAILQ_INSERT_TAIL(&qdma_queue_list, queue, next);
765 qdma_dev.num_hw_queues++;
772 remove_hw_queues_from_list(struct dpaa2_dpdmai_dev *dpdmai_dev)
774 struct qdma_hw_queue *queue = NULL;
775 struct qdma_hw_queue *tqueue = NULL;
777 DPAA2_QDMA_FUNC_TRACE();
779 TAILQ_FOREACH_SAFE(queue, &qdma_queue_list, next, tqueue) {
780 if (queue->dpdmai_dev == dpdmai_dev) {
781 TAILQ_REMOVE(&qdma_queue_list, queue, next);
789 dpaa2_dpdmai_dev_uninit(struct rte_rawdev *rawdev)
791 struct dpaa2_dpdmai_dev *dpdmai_dev = rawdev->dev_private;
794 DPAA2_QDMA_FUNC_TRACE();
796 if (rte_eal_process_type() != RTE_PROC_PRIMARY)
799 /* Remove HW queues from global list */
800 remove_hw_queues_from_list(dpdmai_dev);
802 ret = dpdmai_disable(&dpdmai_dev->dpdmai, CMD_PRI_LOW,
805 DPAA2_QDMA_ERR("dmdmai disable failed");
807 /* Set up the DQRR storage for Rx */
808 for (i = 0; i < DPDMAI_PRIO_NUM; i++) {
809 struct dpaa2_queue *rxq = &(dpdmai_dev->rx_queue[i]);
811 if (rxq->q_storage) {
812 dpaa2_free_dq_storage(rxq->q_storage);
813 rte_free(rxq->q_storage);
817 /* Close the device at underlying layer*/
818 ret = dpdmai_close(&dpdmai_dev->dpdmai, CMD_PRI_LOW, dpdmai_dev->token);
820 DPAA2_QDMA_ERR("Failure closing dpdmai device");
826 dpaa2_dpdmai_dev_init(struct rte_rawdev *rawdev, int dpdmai_id)
828 struct dpaa2_dpdmai_dev *dpdmai_dev = rawdev->dev_private;
829 struct dpdmai_rx_queue_cfg rx_queue_cfg;
830 struct dpdmai_attr attr;
831 struct dpdmai_rx_queue_attr rx_attr;
832 struct dpdmai_tx_queue_attr tx_attr;
835 DPAA2_QDMA_FUNC_TRACE();
837 /* For secondary processes, the primary has done all the work */
838 if (rte_eal_process_type() != RTE_PROC_PRIMARY)
841 /* Open DPDMAI device */
842 dpdmai_dev->dpdmai_id = dpdmai_id;
843 dpdmai_dev->dpdmai.regs = rte_mcp_ptr_list[MC_PORTAL_INDEX];
844 ret = dpdmai_open(&dpdmai_dev->dpdmai, CMD_PRI_LOW,
845 dpdmai_dev->dpdmai_id, &dpdmai_dev->token);
847 DPAA2_QDMA_ERR("dpdmai_open() failed with err: %d", ret);
851 /* Get DPDMAI attributes */
852 ret = dpdmai_get_attributes(&dpdmai_dev->dpdmai, CMD_PRI_LOW,
853 dpdmai_dev->token, &attr);
855 DPAA2_QDMA_ERR("dpdmai get attributes failed with err: %d",
859 dpdmai_dev->num_queues = attr.num_of_priorities;
861 /* Set up Rx Queues */
862 for (i = 0; i < attr.num_of_priorities; i++) {
863 struct dpaa2_queue *rxq;
865 memset(&rx_queue_cfg, 0, sizeof(struct dpdmai_rx_queue_cfg));
866 ret = dpdmai_set_rx_queue(&dpdmai_dev->dpdmai,
871 DPAA2_QDMA_ERR("Setting Rx queue failed with err: %d",
876 /* Allocate DQ storage for the DPDMAI Rx queues */
877 rxq = &(dpdmai_dev->rx_queue[i]);
878 rxq->q_storage = rte_malloc("dq_storage",
879 sizeof(struct queue_storage_info_t),
880 RTE_CACHE_LINE_SIZE);
881 if (!rxq->q_storage) {
882 DPAA2_QDMA_ERR("q_storage allocation failed");
887 memset(rxq->q_storage, 0, sizeof(struct queue_storage_info_t));
888 ret = dpaa2_alloc_dq_storage(rxq->q_storage);
890 DPAA2_QDMA_ERR("dpaa2_alloc_dq_storage failed");
895 /* Get Rx and Tx queues FQID's */
896 for (i = 0; i < DPDMAI_PRIO_NUM; i++) {
897 ret = dpdmai_get_rx_queue(&dpdmai_dev->dpdmai, CMD_PRI_LOW,
898 dpdmai_dev->token, i, &rx_attr);
900 DPAA2_QDMA_ERR("Reading device failed with err: %d",
904 dpdmai_dev->rx_queue[i].fqid = rx_attr.fqid;
906 ret = dpdmai_get_tx_queue(&dpdmai_dev->dpdmai, CMD_PRI_LOW,
907 dpdmai_dev->token, i, &tx_attr);
909 DPAA2_QDMA_ERR("Reading device failed with err: %d",
913 dpdmai_dev->tx_queue[i].fqid = tx_attr.fqid;
916 /* Enable the device */
917 ret = dpdmai_enable(&dpdmai_dev->dpdmai, CMD_PRI_LOW,
920 DPAA2_QDMA_ERR("Enabling device failed with err: %d", ret);
924 /* Add the HW queue to the global list */
925 ret = add_hw_queues_to_list(dpdmai_dev);
927 DPAA2_QDMA_ERR("Adding H/W queue to list failed");
930 DPAA2_QDMA_DEBUG("Initialized dpdmai object successfully");
934 dpaa2_dpdmai_dev_uninit(rawdev);
939 rte_dpaa2_qdma_probe(struct rte_dpaa2_driver *dpaa2_drv,
940 struct rte_dpaa2_device *dpaa2_dev)
942 struct rte_rawdev *rawdev;
945 DPAA2_QDMA_FUNC_TRACE();
947 rawdev = rte_rawdev_pmd_allocate(dpaa2_dev->device.name,
948 sizeof(struct dpaa2_dpdmai_dev),
951 DPAA2_QDMA_ERR("Unable to allocate rawdevice");
955 dpaa2_dev->rawdev = rawdev;
956 rawdev->dev_ops = &dpaa2_qdma_ops;
957 rawdev->device = &dpaa2_dev->device;
958 rawdev->driver_name = dpaa2_drv->driver.name;
960 /* Invoke PMD device initialization function */
961 ret = dpaa2_dpdmai_dev_init(rawdev, dpaa2_dev->object_id);
963 rte_rawdev_pmd_release(rawdev);
971 rte_dpaa2_qdma_remove(struct rte_dpaa2_device *dpaa2_dev)
973 struct rte_rawdev *rawdev = dpaa2_dev->rawdev;
976 DPAA2_QDMA_FUNC_TRACE();
978 dpaa2_dpdmai_dev_uninit(rawdev);
980 ret = rte_rawdev_pmd_release(rawdev);
982 DPAA2_QDMA_ERR("Device cleanup failed");
987 static struct rte_dpaa2_driver rte_dpaa2_qdma_pmd = {
988 .drv_flags = RTE_DPAA2_DRV_IOVA_AS_VA,
989 .drv_type = DPAA2_QDMA,
990 .probe = rte_dpaa2_qdma_probe,
991 .remove = rte_dpaa2_qdma_remove,
994 RTE_PMD_REGISTER_DPAA2(dpaa2_qdma, rte_dpaa2_qdma_pmd);
996 RTE_INIT(dpaa2_qdma_init_log)
998 dpaa2_qdma_logtype = rte_log_register("pmd.raw.dpaa2.qdma");
999 if (dpaa2_qdma_logtype >= 0)
1000 rte_log_set_level(dpaa2_qdma_logtype, RTE_LOG_INFO);