3abcd29f2d
Replace the incorrect reference to "Cavium Networks", "Cavium Ltd" company name with correct the "Cavium, Inc" company name in copyright headers. Signed-off-by: Jerin Jacob <jerin.jacob@caviumnetworks.com>
161 lines
4.2 KiB
C
161 lines
4.2 KiB
C
/*
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*
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* Copyright(c) 2016-2017 Cavium, Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name of Cavium, Inc nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _RTE_EVENTDEV_PMD_PCI_H_
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#define _RTE_EVENTDEV_PMD_PCI_H_
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/** @file
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* RTE Eventdev PCI PMD APIs
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*
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* @note
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* These API are from event PCI PMD only and user applications should not call
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* them directly.
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*/
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include <string.h>
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#include <rte_pci.h>
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#include "rte_eventdev_pmd.h"
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typedef int (*eventdev_pmd_pci_callback_t)(struct rte_eventdev *dev);
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/**
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* @internal
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* Wrapper for use by pci drivers as a .probe function to attach to a event
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* interface.
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*/
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static int
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rte_event_pmd_pci_probe(struct rte_pci_driver *pci_drv,
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struct rte_pci_device *pci_dev,
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size_t private_data_size,
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eventdev_pmd_pci_callback_t devinit)
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{
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struct rte_eventdev *eventdev;
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char eventdev_name[RTE_EVENTDEV_NAME_MAX_LEN];
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int retval;
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if (devinit == NULL)
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return -EINVAL;
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rte_pci_device_name(&pci_dev->addr, eventdev_name,
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sizeof(eventdev_name));
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eventdev = rte_event_pmd_allocate(eventdev_name,
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pci_dev->device.numa_node);
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if (eventdev == NULL)
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return -ENOMEM;
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if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
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eventdev->data->dev_private =
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rte_zmalloc_socket(
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"eventdev private structure",
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private_data_size,
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RTE_CACHE_LINE_SIZE,
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rte_socket_id());
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if (eventdev->data->dev_private == NULL)
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rte_panic("Cannot allocate memzone for private "
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"device data");
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}
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eventdev->dev = &pci_dev->device;
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/* Invoke PMD device initialization function */
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retval = devinit(eventdev);
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if (retval == 0)
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return 0;
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RTE_EDEV_LOG_ERR("driver %s: (vendor_id=0x%x device_id=0x%x)"
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" failed", pci_drv->driver.name,
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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_event_pmd_release(eventdev);
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return -ENXIO;
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}
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/**
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* @internal
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* Wrapper for use by pci drivers as a .remove function to detach a event
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* interface.
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*/
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static inline int
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rte_event_pmd_pci_remove(struct rte_pci_device *pci_dev,
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eventdev_pmd_pci_callback_t devuninit)
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{
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struct rte_eventdev *eventdev;
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char eventdev_name[RTE_EVENTDEV_NAME_MAX_LEN];
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int ret = 0;
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if (pci_dev == NULL)
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return -EINVAL;
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rte_pci_device_name(&pci_dev->addr, eventdev_name,
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sizeof(eventdev_name));
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eventdev = rte_event_pmd_get_named_dev(eventdev_name);
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if (eventdev == NULL)
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return -ENODEV;
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ret = rte_event_dev_close(eventdev->data->dev_id);
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if (ret < 0)
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return ret;
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/* Invoke PMD device un-init function */
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if (devuninit)
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ret = devuninit(eventdev);
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if (ret)
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return ret;
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/* Free event device */
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rte_event_pmd_release(eventdev);
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eventdev->dev = NULL;
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return 0;
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}
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#ifdef __cplusplus
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}
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#endif
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#endif /* _RTE_EVENTDEV_PMD_PCI_H_ */
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