1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2016-2017 Cavium, Inc
5 #ifndef _RTE_EVENTDEV_PMD_PCI_H_
6 #define _RTE_EVENTDEV_PMD_PCI_H_
9 * RTE Eventdev PCI PMD APIs
12 * These API are from event PCI PMD only and user applications should not call
23 #include <rte_config.h>
25 #include <rte_lcore.h>
27 #include <rte_bus_pci.h>
29 #include "rte_eventdev_pmd.h"
31 typedef int (*eventdev_pmd_pci_callback_t)(struct rte_eventdev *dev);
35 * Wrapper for use by pci drivers as a .probe function to attach to a event
39 rte_event_pmd_pci_probe(struct rte_pci_driver *pci_drv,
40 struct rte_pci_device *pci_dev,
41 size_t private_data_size,
42 eventdev_pmd_pci_callback_t devinit)
44 struct rte_eventdev *eventdev;
46 char eventdev_name[RTE_EVENTDEV_NAME_MAX_LEN];
53 rte_pci_device_name(&pci_dev->addr, eventdev_name,
54 sizeof(eventdev_name));
56 eventdev = rte_event_pmd_allocate(eventdev_name,
57 pci_dev->device.numa_node);
61 if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
62 eventdev->data->dev_private =
64 "eventdev private structure",
69 if (eventdev->data->dev_private == NULL)
70 rte_panic("Cannot allocate memzone for private "
74 eventdev->dev = &pci_dev->device;
76 /* Invoke PMD device initialization function */
77 retval = devinit(eventdev);
81 RTE_EDEV_LOG_ERR("driver %s: (vendor_id=0x%x device_id=0x%x)"
82 " failed", pci_drv->driver.name,
83 (unsigned int) pci_dev->id.vendor_id,
84 (unsigned int) pci_dev->id.device_id);
86 rte_event_pmd_release(eventdev);
93 * Wrapper for use by pci drivers as a .remove function to detach a event
97 rte_event_pmd_pci_remove(struct rte_pci_device *pci_dev,
98 eventdev_pmd_pci_callback_t devuninit)
100 struct rte_eventdev *eventdev;
101 char eventdev_name[RTE_EVENTDEV_NAME_MAX_LEN];
107 rte_pci_device_name(&pci_dev->addr, eventdev_name,
108 sizeof(eventdev_name));
110 eventdev = rte_event_pmd_get_named_dev(eventdev_name);
111 if (eventdev == NULL)
114 if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
115 ret = rte_event_dev_close(eventdev->data->dev_id);
120 /* Invoke PMD device un-init function */
122 ret = devuninit(eventdev);
126 /* Free event device */
127 rte_event_pmd_release(eventdev);
129 eventdev->dev = NULL;
138 #endif /* _RTE_EVENTDEV_PMD_PCI_H_ */