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_
13 * RTE Eventdev PCI PMD APIs
16 * These API are from event PCI PMD only and user applications should not call
22 #include <rte_config.h>
24 #include <rte_lcore.h>
26 #include <rte_bus_pci.h>
28 #include "eventdev_pmd.h"
30 typedef int (*eventdev_pmd_pci_callback_t)(struct rte_eventdev *dev);
34 * Wrapper for use by pci drivers as a .probe function to attach to an event
35 * interface. Same as rte_event_pmd_pci_probe, except caller can specify
40 rte_event_pmd_pci_probe_named(struct rte_pci_driver *pci_drv,
41 struct rte_pci_device *pci_dev,
42 size_t private_data_size,
43 eventdev_pmd_pci_callback_t devinit,
46 struct rte_eventdev *eventdev;
52 eventdev = rte_event_pmd_allocate(name,
53 pci_dev->device.numa_node);
57 if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
58 eventdev->data->dev_private =
60 "eventdev private structure",
65 if (eventdev->data->dev_private == NULL)
66 rte_panic("Cannot allocate memzone for private "
70 eventdev->dev = &pci_dev->device;
72 /* Invoke PMD device initialization function */
73 retval = devinit(eventdev);
75 event_dev_probing_finish(eventdev);
79 RTE_EDEV_LOG_ERR("driver %s: (vendor_id=0x%x device_id=0x%x)"
80 " failed", pci_drv->driver.name,
81 (unsigned int) pci_dev->id.vendor_id,
82 (unsigned int) pci_dev->id.device_id);
84 rte_event_pmd_release(eventdev);
91 * Wrapper for use by pci drivers as a .probe function to attach to a event
96 rte_event_pmd_pci_probe(struct rte_pci_driver *pci_drv,
97 struct rte_pci_device *pci_dev,
98 size_t private_data_size,
99 eventdev_pmd_pci_callback_t devinit)
101 char eventdev_name[RTE_EVENTDEV_NAME_MAX_LEN];
103 rte_pci_device_name(&pci_dev->addr, eventdev_name,
104 sizeof(eventdev_name));
106 return rte_event_pmd_pci_probe_named(pci_drv,
115 * Wrapper for use by pci drivers as a .remove function to detach a event
120 rte_event_pmd_pci_remove(struct rte_pci_device *pci_dev,
121 eventdev_pmd_pci_callback_t devuninit)
123 struct rte_eventdev *eventdev;
124 char eventdev_name[RTE_EVENTDEV_NAME_MAX_LEN];
130 rte_pci_device_name(&pci_dev->addr, eventdev_name,
131 sizeof(eventdev_name));
133 eventdev = rte_event_pmd_get_named_dev(eventdev_name);
134 if (eventdev == NULL)
137 if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
138 ret = rte_event_dev_close(eventdev->data->dev_id);
143 /* Invoke PMD device un-init function */
145 ret = devuninit(eventdev);
149 /* Free event device */
150 rte_event_pmd_release(eventdev);
152 eventdev->dev = NULL;
161 #endif /* _RTE_EVENTDEV_PMD_PCI_H_ */