Add functions of compressdev create and destroy. Signed-off-by: Hanxiao Li <li.hanxiao@zte.com.cn> --- drivers/compress/zsda/zsda_comp_pmd.c | 119 ++++++++++++++++++++++++++ drivers/compress/zsda/zsda_comp_pmd.h | 4 + 2 files changed, 123 insertions(+) diff --git a/drivers/compress/zsda/zsda_comp_pmd.c b/drivers/compress/zsda/zsda_comp_pmd.c index d651116e3d..78c7ee01da 100644 --- a/drivers/compress/zsda/zsda_comp_pmd.c +++ b/drivers/compress/zsda/zsda_comp_pmd.c @@ -343,3 +343,122 @@ static struct rte_compressdev_ops compress_zsda_ops = { .private_xform_create = zsda_comp_private_xform_create, .private_xform_free = zsda_comp_private_xform_free }; + +/* An rte_driver is needed in the registration of the device with compressdev. + * The actual zsda pci's rte_driver can't be used as its name represents + * the whole pci device with all services. Think of this as a holder for a name + * for the compression part of the pci device. + */ +static const char zsda_comp_drv_name[] = RTE_STR(COMPRESSDEV_NAME_ZSDA_PMD); +static const struct rte_driver compdev_zsda_driver = { + .name = zsda_comp_drv_name, .alias = zsda_comp_drv_name}; + +static uint16_t +zsda_comp_pmd_enqueue_op_burst(void *qp, struct rte_comp_op **ops, + uint16_t nb_ops) +{ + return zsda_enqueue_op_burst((struct zsda_qp *)qp, (void **)ops, + nb_ops); +} + +static uint16_t +zsda_comp_pmd_dequeue_op_burst(void *qp, struct rte_comp_op **ops, + uint16_t nb_ops) +{ + return zsda_dequeue_op_burst((struct zsda_qp *)qp, (void **)ops, + nb_ops); +} + +int +zsda_comp_dev_create(struct zsda_pci_device *zsda_pci_dev) +{ + struct zsda_device_info *dev_info = + &zsda_devs[zsda_pci_dev->zsda_dev_id]; + + struct rte_compressdev_pmd_init_params init_params = { + .name = "", + .socket_id = (int)rte_socket_id(), + }; + + char name[RTE_COMPRESSDEV_NAME_MAX_LEN]; + char capa_memz_name[RTE_COMPRESSDEV_NAME_MAX_LEN]; + struct rte_compressdev *compressdev; + struct zsda_comp_dev_private *comp_dev; + const struct rte_compressdev_capabilities *capabilities; + uint16_t capa_size = sizeof(struct rte_compressdev_capabilities); + + snprintf(name, RTE_COMPRESSDEV_NAME_MAX_LEN, "%s_%s", + zsda_pci_dev->name, "comp"); + + if (rte_eal_process_type() != RTE_PROC_PRIMARY) + return 0; + + dev_info->comp_rte_dev.driver = &compdev_zsda_driver; + dev_info->comp_rte_dev.numa_node = dev_info->pci_dev->device.numa_node; + dev_info->comp_rte_dev.devargs = NULL; + + compressdev = rte_compressdev_pmd_create( + name, &(dev_info->comp_rte_dev), + sizeof(struct zsda_comp_dev_private), &init_params); + + if (compressdev == NULL) + return -ENODEV; + + compressdev->dev_ops = &compress_zsda_ops; + + compressdev->enqueue_burst = zsda_comp_pmd_enqueue_op_burst; + compressdev->dequeue_burst = zsda_comp_pmd_dequeue_op_burst; + + compressdev->feature_flags = RTE_COMPDEV_FF_HW_ACCELERATED; + + snprintf(capa_memz_name, RTE_COMPRESSDEV_NAME_MAX_LEN, + "ZSDA_COMP_CAPA"); + + comp_dev = compressdev->data->dev_private; + comp_dev->zsda_pci_dev = zsda_pci_dev; + comp_dev->compressdev = compressdev; + capabilities = zsda_comp_capabilities; + + comp_dev->capa_mz = rte_memzone_lookup(capa_memz_name); + if (comp_dev->capa_mz == NULL) { + comp_dev->capa_mz = rte_memzone_reserve( + capa_memz_name, capa_size, rte_socket_id(), 0); + } + if (comp_dev->capa_mz == NULL) { + ZSDA_LOG(DEBUG, E_MALLOC); + memset(&dev_info->comp_rte_dev, 0, + sizeof(dev_info->comp_rte_dev)); + rte_compressdev_pmd_destroy(compressdev); + return -EFAULT; + } + + memcpy(comp_dev->capa_mz->addr, capabilities, capa_size); + comp_dev->zsda_dev_capabilities = comp_dev->capa_mz->addr; + + zsda_pci_dev->comp_dev = comp_dev; + + return ZSDA_SUCCESS; +} + +int +zsda_comp_dev_destroy(struct zsda_pci_device *zsda_pci_dev) +{ + struct zsda_comp_dev_private *comp_dev; + + if (zsda_pci_dev == NULL) + return -ENODEV; + + comp_dev = zsda_pci_dev->comp_dev; + if (comp_dev == NULL) + return ZSDA_SUCCESS; + + if (rte_eal_process_type() == RTE_PROC_PRIMARY) + rte_memzone_free(zsda_pci_dev->comp_dev->capa_mz); + + zsda_comp_dev_close(comp_dev->compressdev); + + rte_compressdev_pmd_destroy(comp_dev->compressdev); + zsda_pci_dev->comp_dev = NULL; + + return ZSDA_SUCCESS; +} diff --git a/drivers/compress/zsda/zsda_comp_pmd.h b/drivers/compress/zsda/zsda_comp_pmd.h index f096878d09..da91cf06c3 100644 --- a/drivers/compress/zsda/zsda_comp_pmd.h +++ b/drivers/compress/zsda/zsda_comp_pmd.h @@ -27,4 +27,8 @@ struct zsda_comp_dev_private { /* Shared memzone for storing capabilities */ }; +int zsda_comp_dev_create(struct zsda_pci_device *zsda_pci_dev); + +int zsda_comp_dev_destroy(struct zsda_pci_device *zsda_pci_dev); + #endif /* _ZSDA_COMP_PMD_H_ */ -- 2.27.0