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32 #ifndef _RTE_EVENTDEV_PMD_PCI_H_
33 #define _RTE_EVENTDEV_PMD_PCI_H_
36 * RTE Eventdev PCI PMD APIs
39 * These API are from event PCI PMD only and user applications should not call
50 #include <rte_config.h>
52 #include <rte_lcore.h>
54 #include <rte_bus_pci.h>
56 #include "rte_eventdev_pmd.h"
58 typedef int (*eventdev_pmd_pci_callback_t)(struct rte_eventdev *dev);
62 * Wrapper for use by pci drivers as a .probe function to attach to a event
66 rte_event_pmd_pci_probe(struct rte_pci_driver *pci_drv,
67 struct rte_pci_device *pci_dev,
68 size_t private_data_size,
69 eventdev_pmd_pci_callback_t devinit)
71 struct rte_eventdev *eventdev;
73 char eventdev_name[RTE_EVENTDEV_NAME_MAX_LEN];
80 rte_pci_device_name(&pci_dev->addr, eventdev_name,
81 sizeof(eventdev_name));
83 eventdev = rte_event_pmd_allocate(eventdev_name,
84 pci_dev->device.numa_node);
88 if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
89 eventdev->data->dev_private =
91 "eventdev private structure",
96 if (eventdev->data->dev_private == NULL)
97 rte_panic("Cannot allocate memzone for private "
101 eventdev->dev = &pci_dev->device;
103 /* Invoke PMD device initialization function */
104 retval = devinit(eventdev);
108 RTE_EDEV_LOG_ERR("driver %s: (vendor_id=0x%x device_id=0x%x)"
109 " failed", pci_drv->driver.name,
110 (unsigned int) pci_dev->id.vendor_id,
111 (unsigned int) pci_dev->id.device_id);
113 rte_event_pmd_release(eventdev);
121 * Wrapper for use by pci drivers as a .remove function to detach a event
125 rte_event_pmd_pci_remove(struct rte_pci_device *pci_dev,
126 eventdev_pmd_pci_callback_t devuninit)
128 struct rte_eventdev *eventdev;
129 char eventdev_name[RTE_EVENTDEV_NAME_MAX_LEN];
135 rte_pci_device_name(&pci_dev->addr, eventdev_name,
136 sizeof(eventdev_name));
138 eventdev = rte_event_pmd_get_named_dev(eventdev_name);
139 if (eventdev == NULL)
142 ret = rte_event_dev_close(eventdev->data->dev_id);
146 /* Invoke PMD device un-init function */
148 ret = devuninit(eventdev);
152 /* Free event device */
153 rte_event_pmd_release(eventdev);
155 eventdev->dev = NULL;
164 #endif /* _RTE_EVENTDEV_PMD_PCI_H_ */