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
18 #include <rte_config.h>
20 #include <rte_lcore.h>
22 #include <rte_bus_pci.h>
24 #include "eventdev_pmd.h"
26 typedef int (*eventdev_pmd_pci_callback_t)(struct rte_eventdev *dev);
30 * Wrapper for use by pci drivers as a .probe function to attach to an event
31 * interface. Same as rte_event_pmd_pci_probe, except caller can specify
36 rte_event_pmd_pci_probe_named(struct rte_pci_driver *pci_drv,
37 struct rte_pci_device *pci_dev,
38 size_t private_data_size,
39 eventdev_pmd_pci_callback_t devinit,
42 struct rte_eventdev *eventdev;
48 eventdev = rte_event_pmd_allocate(name,
49 pci_dev->device.numa_node);
53 if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
54 eventdev->data->dev_private =
56 "eventdev private structure",
61 if (eventdev->data->dev_private == NULL)
62 rte_panic("Cannot allocate memzone for private "
66 eventdev->dev = &pci_dev->device;
68 /* Invoke PMD device initialization function */
69 retval = devinit(eventdev);
73 RTE_EDEV_LOG_ERR("driver %s: (vendor_id=0x%x device_id=0x%x)"
74 " failed", pci_drv->driver.name,
75 (unsigned int) pci_dev->id.vendor_id,
76 (unsigned int) pci_dev->id.device_id);
78 rte_event_pmd_release(eventdev);
85 * Wrapper for use by pci drivers as a .probe function to attach to a event
89 rte_event_pmd_pci_probe(struct rte_pci_driver *pci_drv,
90 struct rte_pci_device *pci_dev,
91 size_t private_data_size,
92 eventdev_pmd_pci_callback_t devinit)
94 char eventdev_name[RTE_EVENTDEV_NAME_MAX_LEN];
96 rte_pci_device_name(&pci_dev->addr, eventdev_name,
97 sizeof(eventdev_name));
99 return rte_event_pmd_pci_probe_named(pci_drv,
108 * Wrapper for use by pci drivers as a .remove function to detach a event
112 rte_event_pmd_pci_remove(struct rte_pci_device *pci_dev,
113 eventdev_pmd_pci_callback_t devuninit)
115 struct rte_eventdev *eventdev;
116 char eventdev_name[RTE_EVENTDEV_NAME_MAX_LEN];
122 rte_pci_device_name(&pci_dev->addr, eventdev_name,
123 sizeof(eventdev_name));
125 eventdev = rte_event_pmd_get_named_dev(eventdev_name);
126 if (eventdev == NULL)
129 if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
130 ret = rte_event_dev_close(eventdev->data->dev_id);
135 /* Invoke PMD device un-init function */
137 ret = devuninit(eventdev);
141 /* Free event device */
142 rte_event_pmd_release(eventdev);
144 eventdev->dev = NULL;
149 #endif /* _RTE_EVENTDEV_PMD_PCI_H_ */