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author | 2015-06-24 14:03:29 +0300 | |
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committer | 2015-06-24 14:03:29 +0300 | |
commit | 8b52a31ed2c299b759f330c4f976b9c70f5765f4 (patch) | |
tree | 9d6da5438b5b56b1d2d57e6c13494b4e65d000e7 /src/dpdk_lib18/librte_eal/common/include/rte_dev.h |
first version
Diffstat (limited to 'src/dpdk_lib18/librte_eal/common/include/rte_dev.h')
-rwxr-xr-x | src/dpdk_lib18/librte_eal/common/include/rte_dev.h | 111 |
1 files changed, 111 insertions, 0 deletions
diff --git a/src/dpdk_lib18/librte_eal/common/include/rte_dev.h b/src/dpdk_lib18/librte_eal/common/include/rte_dev.h new file mode 100755 index 00000000..f7e3a104 --- /dev/null +++ b/src/dpdk_lib18/librte_eal/common/include/rte_dev.h @@ -0,0 +1,111 @@ +/*- + * BSD LICENSE + * + * Copyright(c) 2014 6WIND S.A. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * * Neither the name of 6WIND S.A. nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef _RTE_DEV_H_ +#define _RTE_DEV_H_ + +/** + * @file + * + * RTE PMD Driver Registration Interface + * + * This file manages the list of device drivers. + */ + +#ifdef __cplusplus +extern "C" { +#endif + +#include <sys/queue.h> + +/** Double linked list of device drivers. */ +TAILQ_HEAD(rte_driver_list, rte_driver); + +/** + * Initialization function called for each device driver once. + */ +typedef int (rte_dev_init_t)(const char *name, const char *args); + +/** + * Driver type enumeration + */ +enum pmd_type { + PMD_VDEV = 0, + PMD_PDEV = 1, +}; + +/** + * A structure describing a device driver. + */ +struct rte_driver { + TAILQ_ENTRY(rte_driver) next; /**< Next in list. */ + enum pmd_type type; /**< PMD Driver type */ + const char *name; /**< Driver name. */ + rte_dev_init_t *init; /**< Device init. function. */ +}; + +/** + * Register a device driver. + * + * @param driver + * A pointer to a rte_dev structure describing the driver + * to be registered. + */ +void rte_eal_driver_register(struct rte_driver *driver); + +/** + * Unregister a device driver. + * + * @param driver + * A pointer to a rte_dev structure describing the driver + * to be unregistered. + */ +void rte_eal_driver_unregister(struct rte_driver *driver); + +/** + * Initalize all the registered drivers in this process + */ +int rte_eal_dev_init(void); + +#define PMD_REGISTER_DRIVER(d)\ +void devinitfn_ ##d(void);\ +void __attribute__((constructor, used)) devinitfn_ ##d(void)\ +{\ + rte_eal_driver_register(&d);\ +} + +#ifdef __cplusplus +} +#endif + +#endif /* _RTE_VDEV_H_ */ |