fe363dd425
All PMD_VDEV drivers can now use rte_vdev_driver instead of the rte_driver (which is embedded in the rte_vdev_driver). Signed-off-by: Jan Viktorin <viktorin@rehivetech.com> Signed-off-by: Shreyansh Jain <shreyansh.jain@nxp.com> Acked-by: David Marchand <david.marchand@6wind.com>
98 lines
3.1 KiB
C
98 lines
3.1 KiB
C
/*-
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* BSD LICENSE
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*
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* Copyright(c) 2016 RehiveTech. 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 RehiveTech 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_VDEV_H
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#define RTE_VDEV_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include <sys/queue.h>
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#include <rte_dev.h>
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/** Double linked list of virtual device drivers. */
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TAILQ_HEAD(vdev_driver_list, rte_vdev_driver);
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/**
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* Initialization function called for each virtual device driver once.
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*/
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typedef int (rte_vdev_init_t)(const char *name, const char *args);
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/**
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* Uninitilization function called for each virtual device driver once.
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*/
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typedef int (rte_vdev_uninit_t)(const char *name);
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/**
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* A virtual device driver abstraction.
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*/
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struct rte_vdev_driver {
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TAILQ_ENTRY(rte_vdev_driver) next; /**< Next in list. */
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struct rte_driver driver; /**< Inherited general driver. */
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rte_vdev_init_t *init; /**< Virtual device init. function. */
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rte_vdev_uninit_t *uninit; /**< Virtual device uninit. function. */
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};
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/**
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* Register a virtual device driver.
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*
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* @param driver
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* A pointer to a rte_vdev_driver structure describing the driver
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* to be registered.
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*/
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void rte_eal_vdrv_register(struct rte_vdev_driver *driver);
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/**
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* Unregister a virtual device driver.
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*
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* @param driver
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* A pointer to a rte_vdev_driver structure describing the driver
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* to be unregistered.
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*/
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void rte_eal_vdrv_unregister(struct rte_vdev_driver *driver);
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#define DRIVER_REGISTER_VDEV(nm, vdrv)\
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RTE_INIT(vdrvinitfn_ ##vdrv);\
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static void vdrvinitfn_ ##vdrv(void)\
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{\
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(vdrv).driver.name = RTE_STR(nm);\
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rte_eal_vdrv_register(&vdrv);\
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} \
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DRIVER_EXPORT_NAME(nm, __COUNTER__)
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#ifdef __cplusplus
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}
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#endif
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#endif
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