dma/dpaa2: support basic operations
This patch support basic DMA operations which includes device capability and channel setup. Signed-off-by: Nipun Gupta <nipun.gupta@nxp.com> Acked-by: Hemant Agrawal <hemant.agrawal@nxp.com>
This commit is contained in:
Nipun Gupta
Thomas Monjalon
parent
8caf8427f8
commit
379206e9b4
@ -6,6 +6,7 @@
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#include <rte_fslmc.h>
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#include <rte_dmadev.h>
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#include <rte_dmadev_pmd.h>
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#include <rte_kvargs.h>
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#include <mc/fsl_dpdmai.h>
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#include "dpaa2_qdma.h"
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#include "dpaa2_qdma_logs.h"
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@ -15,6 +16,171 @@ int dpaa2_qdma_logtype;
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uint32_t dpaa2_coherent_no_alloc_cache;
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uint32_t dpaa2_coherent_alloc_cache;
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static int
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dpaa2_qdma_info_get(const struct rte_dma_dev *dev,
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struct rte_dma_info *dev_info,
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uint32_t info_sz)
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{
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RTE_SET_USED(dev);
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RTE_SET_USED(info_sz);
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dev_info->dev_capa = RTE_DMA_CAPA_MEM_TO_MEM |
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RTE_DMA_CAPA_MEM_TO_DEV |
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RTE_DMA_CAPA_DEV_TO_DEV |
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RTE_DMA_CAPA_DEV_TO_MEM |
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RTE_DMA_CAPA_SILENT |
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RTE_DMA_CAPA_OPS_COPY;
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dev_info->max_vchans = DPAA2_QDMA_MAX_VHANS;
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dev_info->max_desc = DPAA2_QDMA_MAX_DESC;
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dev_info->min_desc = DPAA2_QDMA_MIN_DESC;
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return 0;
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}
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static int
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dpaa2_qdma_configure(struct rte_dma_dev *dev,
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const struct rte_dma_conf *dev_conf,
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uint32_t conf_sz)
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{
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char name[32]; /* RTE_MEMZONE_NAMESIZE = 32 */
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struct dpaa2_dpdmai_dev *dpdmai_dev = dev->data->dev_private;
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struct qdma_device *qdma_dev = dpdmai_dev->qdma_dev;
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DPAA2_QDMA_FUNC_TRACE();
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RTE_SET_USED(conf_sz);
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/* In case QDMA device is not in stopped state, return -EBUSY */
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if (qdma_dev->state == 1) {
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DPAA2_QDMA_ERR(
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"Device is in running state. Stop before config.");
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return -1;
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}
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/* Allocate Virtual Queues */
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sprintf(name, "qdma_%d_vq", dev->data->dev_id);
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qdma_dev->vqs = rte_malloc(name,
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(sizeof(struct qdma_virt_queue) * dev_conf->nb_vchans),
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RTE_CACHE_LINE_SIZE);
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if (!qdma_dev->vqs) {
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DPAA2_QDMA_ERR("qdma_virtual_queues allocation failed");
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return -ENOMEM;
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}
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qdma_dev->num_vqs = dev_conf->nb_vchans;
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return 0;
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}
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static int
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dpaa2_qdma_vchan_setup(struct rte_dma_dev *dev, uint16_t vchan,
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const struct rte_dma_vchan_conf *conf,
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uint32_t conf_sz)
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{
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struct dpaa2_dpdmai_dev *dpdmai_dev = dev->data->dev_private;
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struct qdma_device *qdma_dev = dpdmai_dev->qdma_dev;
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uint32_t pool_size;
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char ring_name[32];
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char pool_name[64];
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int fd_long_format = 1;
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int sg_enable = 0;
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DPAA2_QDMA_FUNC_TRACE();
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RTE_SET_USED(conf_sz);
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if (qdma_dev->vqs[vchan].flags & DPAA2_QDMA_VQ_FD_SG_FORMAT)
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sg_enable = 1;
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if (qdma_dev->vqs[vchan].flags & DPAA2_QDMA_VQ_FD_SHORT_FORMAT)
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fd_long_format = 0;
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if (dev->data->dev_conf.enable_silent)
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qdma_dev->vqs[vchan].flags |= DPAA2_QDMA_VQ_NO_RESPONSE;
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if (sg_enable) {
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if (qdma_dev->num_vqs != 1) {
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DPAA2_QDMA_ERR(
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"qDMA SG format only supports physical queue!");
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return -ENODEV;
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}
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if (!fd_long_format) {
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DPAA2_QDMA_ERR(
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"qDMA SG format only supports long FD format!");
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return -ENODEV;
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}
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pool_size = QDMA_FLE_SG_POOL_SIZE;
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} else {
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pool_size = QDMA_FLE_SINGLE_POOL_SIZE;
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}
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if (qdma_dev->num_vqs == 1)
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qdma_dev->vqs[vchan].exclusive_hw_queue = 1;
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else {
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/* Allocate a Ring for Virtual Queue in VQ mode */
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snprintf(ring_name, sizeof(ring_name), "status ring %d %d",
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dev->data->dev_id, vchan);
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qdma_dev->vqs[vchan].status_ring = rte_ring_create(ring_name,
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conf->nb_desc, rte_socket_id(), 0);
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if (!qdma_dev->vqs[vchan].status_ring) {
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DPAA2_QDMA_ERR("Status ring creation failed for vq");
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return rte_errno;
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}
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}
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snprintf(pool_name, sizeof(pool_name),
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"qdma_fle_pool_dev%d_qid%d", dpdmai_dev->dpdmai_id, vchan);
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qdma_dev->vqs[vchan].fle_pool = rte_mempool_create(pool_name,
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conf->nb_desc, pool_size,
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QDMA_FLE_CACHE_SIZE(conf->nb_desc), 0,
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NULL, NULL, NULL, NULL, SOCKET_ID_ANY, 0);
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if (!qdma_dev->vqs[vchan].fle_pool) {
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DPAA2_QDMA_ERR("qdma_fle_pool create failed");
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return -ENOMEM;
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}
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snprintf(pool_name, sizeof(pool_name),
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"qdma_job_pool_dev%d_qid%d", dpdmai_dev->dpdmai_id, vchan);
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qdma_dev->vqs[vchan].job_pool = rte_mempool_create(pool_name,
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conf->nb_desc, pool_size,
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QDMA_FLE_CACHE_SIZE(conf->nb_desc), 0,
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NULL, NULL, NULL, NULL, SOCKET_ID_ANY, 0);
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if (!qdma_dev->vqs[vchan].job_pool) {
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DPAA2_QDMA_ERR("qdma_job_pool create failed");
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return -ENOMEM;
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}
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qdma_dev->vqs[vchan].dpdmai_dev = dpdmai_dev;
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qdma_dev->vqs[vchan].nb_desc = conf->nb_desc;
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return 0;
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}
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static int
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dpaa2_qdma_start(struct rte_dma_dev *dev)
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{
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struct dpaa2_dpdmai_dev *dpdmai_dev = dev->data->dev_private;
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struct qdma_device *qdma_dev = dpdmai_dev->qdma_dev;
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DPAA2_QDMA_FUNC_TRACE();
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qdma_dev->state = 1;
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return 0;
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}
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static int
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dpaa2_qdma_stop(struct rte_dma_dev *dev)
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{
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struct dpaa2_dpdmai_dev *dpdmai_dev = dev->data->dev_private;
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struct qdma_device *qdma_dev = dpdmai_dev->qdma_dev;
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DPAA2_QDMA_FUNC_TRACE();
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qdma_dev->state = 0;
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return 0;
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}
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static int
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dpaa2_qdma_reset(struct rte_dma_dev *dev)
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{
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@ -55,7 +221,23 @@ dpaa2_qdma_reset(struct rte_dma_dev *dev)
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return 0;
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}
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static int
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dpaa2_qdma_close(__rte_unused struct rte_dma_dev *dev)
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{
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DPAA2_QDMA_FUNC_TRACE();
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dpaa2_qdma_reset(dev);
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return 0;
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}
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static struct rte_dma_dev_ops dpaa2_qdma_ops = {
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.dev_info_get = dpaa2_qdma_info_get,
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.dev_configure = dpaa2_qdma_configure,
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.dev_start = dpaa2_qdma_start,
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.dev_stop = dpaa2_qdma_stop,
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.dev_close = dpaa2_qdma_close,
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.vchan_setup = dpaa2_qdma_vchan_setup,
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};
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static int
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