119 lines
2.8 KiB
C
119 lines
2.8 KiB
C
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/* SPDX-License-Identifier: BSD-3-Clause
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* Copyright(c) 2018 Cavium, Inc
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*/
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#include <string.h>
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#include <rte_byteorder.h>
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#include <rte_common.h>
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#include <rte_cpuflags.h>
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#include <rte_malloc.h>
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#include "otx_zip.h"
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struct rte_compressdev_ops octtx_zip_pmd_ops = {
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};
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static int
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zip_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
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struct rte_pci_device *pci_dev)
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{
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int ret = 0;
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char compressdev_name[RTE_COMPRESSDEV_NAME_MAX_LEN];
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struct rte_compressdev *compressdev;
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struct rte_compressdev_pmd_init_params init_params = {
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"",
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rte_socket_id(),
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};
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ZIP_PMD_INFO("vendor_id=0x%x device_id=0x%x",
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(unsigned int)pci_dev->id.vendor_id,
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(unsigned int)pci_dev->id.device_id);
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rte_pci_device_name(&pci_dev->addr, compressdev_name,
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sizeof(compressdev_name));
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compressdev = rte_compressdev_pmd_create(compressdev_name,
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&pci_dev->device, sizeof(struct zip_vf), &init_params);
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if (compressdev == NULL) {
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ZIP_PMD_ERR("driver %s: create failed", init_params.name);
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return -ENODEV;
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}
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/*
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* create only if proc_type is primary.
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*/
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if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
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/* create vf dev with given pmd dev id */
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ret = zipvf_create(compressdev);
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if (ret < 0) {
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ZIP_PMD_ERR("Device creation failed");
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rte_compressdev_pmd_destroy(compressdev);
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return ret;
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}
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}
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compressdev->dev_ops = &octtx_zip_pmd_ops;
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/* register rx/tx burst functions for data path */
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compressdev->feature_flags = RTE_COMPDEV_FF_HW_ACCELERATED;
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return ret;
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}
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static int
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zip_pci_remove(struct rte_pci_device *pci_dev)
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{
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struct rte_compressdev *compressdev;
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char compressdev_name[RTE_COMPRESSDEV_NAME_MAX_LEN];
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if (pci_dev == NULL) {
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ZIP_PMD_ERR(" Invalid PCI Device\n");
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return -EINVAL;
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}
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rte_pci_device_name(&pci_dev->addr, compressdev_name,
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sizeof(compressdev_name));
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compressdev = rte_compressdev_pmd_get_named_dev(compressdev_name);
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if (compressdev == NULL)
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return -ENODEV;
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if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
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if (zipvf_destroy(compressdev) < 0)
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return -ENODEV;
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}
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return rte_compressdev_pmd_destroy(compressdev);
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}
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static struct rte_pci_id pci_id_octtx_zipvf_table[] = {
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{
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RTE_PCI_DEVICE(PCI_VENDOR_ID_CAVIUM,
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PCI_DEVICE_ID_OCTEONTX_ZIPVF),
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},
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{
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.device_id = 0
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},
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};
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/**
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* Structure that represents a PCI driver
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*/
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static struct rte_pci_driver octtx_zip_pmd = {
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.id_table = pci_id_octtx_zipvf_table,
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.drv_flags = RTE_PCI_DRV_NEED_MAPPING,
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.probe = zip_pci_probe,
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.remove = zip_pci_remove,
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};
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RTE_PMD_REGISTER_PCI(COMPRESSDEV_NAME_ZIP_PMD, octtx_zip_pmd);
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RTE_PMD_REGISTER_PCI_TABLE(COMPRESSDEV_NAME_ZIP_PMD, pci_id_octtx_zipvf_table);
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RTE_INIT(octtx_zip_init_log);
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static void
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octtx_zip_init_log(void)
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{
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octtx_zip_logtype_driver = rte_log_register("pmd.compress.octeontx");
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if (octtx_zip_logtype_driver >= 0)
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rte_log_set_level(octtx_zip_logtype_driver, RTE_LOG_INFO);
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}
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