/* SPDX-License-Identifier: BSD-3-Clause
- * Copyright 2018-2019 NXP
+ * Copyright 2018-2020 NXP
*/
#ifndef __RTE_PMD_DPAA2_QDMA_H__
#define __RTE_PMD_DPAA2_QDMA_H__
+#include <rte_rawdev.h>
+
/**
* @file
*
RTE_QDMA_MODE_VIRTUAL
};
+/** Determines the format of FD */
+enum {
+ RTE_QDMA_LONG_FORMAT,
+ RTE_QDMA_ULTRASHORT_FORMAT,
+};
+
/**
* If user has configured a Virtual Queue mode, but for some particular VQ
* user needs an exclusive H/W queue associated (for better performance
*/
#define RTE_QDMA_VQ_EXCLUSIVE_PQ (1ULL)
+#define RTE_QDMA_VQ_FD_LONG_FORMAT (1ULL << 1)
+
+#define RTE_QDMA_VQ_FD_SG_FORMAT (1ULL << 2)
+
+#define RTE_QDMA_VQ_NO_RESPONSE (1ULL << 3)
+
/** States if the source addresses is physical. */
#define RTE_QDMA_JOB_SRC_PHY (1ULL)
uint16_t max_hw_queues_per_core;
/** Maximum number of VQ's to be used. */
uint16_t max_vqs;
- /** mode of operation - physical(h/w) or virtual */
- uint8_t mode;
/**
* User provides this as input to the driver as a size of the FLE pool.
* FLE's (and corresponding source/destination descriptors) are
* maximum number of inflight jobs on the QDMA device. This should
* be power of 2.
*/
- int fle_pool_count;
+ int fle_queue_pool_cnt;
};
struct rte_qdma_rbp {
* lower 8bits fd error
*/
uint16_t status;
+ uint16_t vq_id;
+ /**
+ * FLE pool element maintained by user, in case no qDMA response.
+ * Note: the address must be allocated from DPDK memory pool.
+ */
+ void *usr_elem;
};
-/**
- * Initialize the QDMA device.
- *
- * @returns
- * - 0: Success.
- * - <0: Error code.
- */
-int
-rte_qdma_init(void);
-
-/**
- * Get the QDMA attributes.
- *
- * @param qdma_attr
- * QDMA attributes providing total number of hw queues etc.
- */
-void
-rte_qdma_attr_get(struct rte_qdma_attr *qdma_attr);
-
-/**
- * Reset the QDMA device. This API will completely reset the QDMA
- * device, bringing it to original state as if only rte_qdma_init() API
- * has been called.
- *
- * @returns
- * - 0: Success.
- * - <0: Error code.
- */
-int
-rte_qdma_reset(void);
-
-/**
- * Configure the QDMA device.
- *
- * @returns
- * - 0: Success.
- * - <0: Error code.
- */
-int
-rte_qdma_configure(struct rte_qdma_config *qdma_config);
-
-/**
- * Start the QDMA device.
- *
- * @returns
- * - 0: Success.
- * - <0: Error code.
- */
-int
-rte_qdma_start(void);
-
-/**
- * Create a Virtual Queue on a particular lcore id.
- * This API can be called from any thread/core. User can create/destroy
- * VQ's at runtime.
- *
- * @param lcore_id
- * LCORE ID on which this particular queue would be associated with.
- * @param flags
- * RTE_QDMA_VQ_ flags. See macro definitions.
- *
- * @returns
- * - >= 0: Virtual queue ID.
- * - <0: Error code.
- */
-int
-rte_qdma_vq_create(uint32_t lcore_id, uint32_t flags);
-
-/*create vq for route-by-port*/
-int
-rte_qdma_vq_create_rbp(uint32_t lcore_id, uint32_t flags,
- struct rte_qdma_rbp *rbp);
-
-/**
- * Enqueue multiple jobs to a Virtual Queue.
- * If the enqueue is successful, the H/W will perform DMA operations
- * on the basis of the QDMA jobs provided.
- *
- * @param vq_id
- * Virtual Queue ID.
- * @param job
- * List of QDMA Jobs containing relevant information related to DMA.
- * @param nb_jobs
- * Number of QDMA jobs provided by the user.
- *
- * @returns
- * - >=0: Number of jobs successfully submitted
- * - <0: Error code.
- */
-int
-rte_qdma_vq_enqueue_multi(uint16_t vq_id,
- struct rte_qdma_job **job,
- uint16_t nb_jobs);
-
-/**
- * Enqueue a single job to a Virtual Queue.
- * If the enqueue is successful, the H/W will perform DMA operations
- * on the basis of the QDMA job provided.
- *
- * @param vq_id
- * Virtual Queue ID.
- * @param job
- * A QDMA Job containing relevant information related to DMA.
- *
- * @returns
- * - >=0: Number of jobs successfully submitted
- * - <0: Error code.
- */
-int
-rte_qdma_vq_enqueue(uint16_t vq_id,
- struct rte_qdma_job *job);
+struct rte_qdma_enqdeq {
+ uint16_t vq_id;
+ struct rte_qdma_job **job;
+};
-/**
- * Dequeue multiple completed jobs from a Virtual Queue.
- * Provides the list of completed jobs capped by nb_jobs.
- *
- * @param vq_id
- * Virtual Queue ID.
- * @param job
- * List of QDMA Jobs returned from the API.
- * @param nb_jobs
- * Number of QDMA jobs requested for dequeue by the user.
- *
- * @returns
- * - >=0: Number of jobs successfully received
- * - <0: Error code.
- */
-int
-rte_qdma_vq_dequeue_multi(uint16_t vq_id,
- struct rte_qdma_job **job,
- uint16_t nb_jobs);
+struct rte_qdma_queue_config {
+ uint32_t lcore_id;
+ uint32_t flags;
+ struct rte_qdma_rbp *rbp;
+};
-/**
- * Dequeue a single completed jobs from a Virtual Queue.
- *
- * @param vq_id
- * Virtual Queue ID.
- *
- * @returns
- * - A completed job or NULL if no job is there.
- */
-struct rte_qdma_job *
-rte_qdma_vq_dequeue(uint16_t vq_id);
+#define rte_qdma_info rte_rawdev_info
+#define rte_qdma_start(id) rte_rawdev_start(id)
+#define rte_qdma_reset(id) rte_rawdev_reset(id)
+#define rte_qdma_configure(id, cf) rte_rawdev_configure(id, cf)
+#define rte_qdma_dequeue_buffers(id, buf, num, ctxt) \
+ rte_rawdev_dequeue_buffers(id, buf, num, ctxt)
+#define rte_qdma_enqueue_buffers(id, buf, num, ctxt) \
+ rte_rawdev_enqueue_buffers(id, buf, num, ctxt)
+#define rte_qdma_queue_setup(id, qid, cfg) \
+ rte_rawdev_queue_setup(id, qid, cfg)
+/*TODO introduce per queue stats API in rawdew */
/**
* Get a Virtual Queue statistics.
*
+ * @param rawdev
+ * Raw Device.
* @param vq_id
* Virtual Queue ID.
* @param vq_stats
* VQ statistics structure which will be filled in by the driver.
*/
void
-rte_qdma_vq_stats(uint16_t vq_id,
- struct rte_qdma_vq_stats *vq_stats);
-
-/**
- * Destroy the Virtual Queue specified by vq_id.
- * This API can be called from any thread/core. User can create/destroy
- * VQ's at runtime.
- *
- * @param vq_id
- * Virtual Queue ID which needs to be uninitialized.
- *
- * @returns
- * - 0: Success.
- * - <0: Error code.
- */
-int
-rte_qdma_vq_destroy(uint16_t vq_id);
-
-/**
- * Destroy the RBP specific Virtual Queue specified by vq_id.
- * This API can be called from any thread/core. User can create/destroy
- * VQ's at runtime.
- *
- * @param vq_id
- * RBP based Virtual Queue ID which needs to be uninitialized.
- *
- * @returns
- * - 0: Success.
- * - <0: Error code.
- */
-
-int
-rte_qdma_vq_destroy_rbp(uint16_t vq_id);
-/**
- * Stop QDMA device.
- */
-void
-rte_qdma_stop(void);
-
-/**
- * Destroy the QDMA device.
- */
-void
-rte_qdma_destroy(void);
+rte_qdma_vq_stats(struct rte_rawdev *rawdev,
+ uint16_t vq_id,
+ struct rte_qdma_vq_stats *vq_stats);
#endif /* __RTE_PMD_DPAA2_QDMA_H__*/
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