net/liquidio: register VF

Register LiquidIO PMD (net_liovf) and define APIs to init and uninit.

Signed-off-by: Shijith Thotton <shijith.thotton@caviumnetworks.com>
Signed-off-by: Jerin Jacob <jerin.jacob@caviumnetworks.com>
Signed-off-by: Derek Chickles <derek.chickles@caviumnetworks.com>
Signed-off-by: Venkat Koppula <venkat.koppula@caviumnetworks.com>
Signed-off-by: Srisivasubramanian S <ssrinivasan@caviumnetworks.com>
Signed-off-by: Mallesham Jatharakonda <mjatharakonda@oneconvergence.com>
This commit is contained in:
Shijith Thotton 2017-03-25 11:54:15 +05:30 committed by Ferruh Yigit
parent 2554832833
commit 254387db6d
6 changed files with 270 additions and 1 deletions

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@ -4,4 +4,7 @@
; Refer to default.ini for the full list of available PMD features.
;
[Features]
Multiprocess aware = Y
Linux UIO = Y
Linux VFIO = Y
x86-64 = Y

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@ -50,7 +50,7 @@ VPATH += $(RTE_SDK)/drivers/net/liquidio/base
#
# all source are stored in SRCS-y
#
SRCS-$(CONFIG_RTE_LIBRTE_LIO_PMD) +=
SRCS-$(CONFIG_RTE_LIBRTE_LIO_PMD) += lio_ethdev.c
# this lib depends upon:
DEPDIRS-$(CONFIG_RTE_LIBRTE_LIO_PMD) += lib/librte_eal lib/librte_ether

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@ -0,0 +1,44 @@
/*
* BSD LICENSE
*
* Copyright(c) 2017 Cavium, Inc.. All rights reserved.
* 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 Cavium, Inc. 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(S) 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 _LIO_HW_DEFS_H_
#define _LIO_HW_DEFS_H_
#ifndef PCI_VENDOR_ID_CAVIUM
#define PCI_VENDOR_ID_CAVIUM 0x177D
#endif
#define LIO_CN23XX_VF_VID 0x9712
#define LIO_DEVICE_NAME_LEN 32
#endif /* _LIO_HW_DEFS_H_ */

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@ -0,0 +1,117 @@
/*
* BSD LICENSE
*
* Copyright(c) 2017 Cavium, Inc.. All rights reserved.
* 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 Cavium, Inc. 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(S) 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.
*/
#include <rte_ethdev.h>
#include <rte_cycles.h>
#include <rte_malloc.h>
#include <rte_alarm.h>
#include "lio_logs.h"
#include "lio_struct.h"
#include "lio_ethdev.h"
static int
lio_eth_dev_uninit(struct rte_eth_dev *eth_dev)
{
PMD_INIT_FUNC_TRACE();
if (rte_eal_process_type() != RTE_PROC_PRIMARY)
return -EPERM;
rte_free(eth_dev->data->mac_addrs);
eth_dev->data->mac_addrs = NULL;
return 0;
}
static int
lio_eth_dev_init(struct rte_eth_dev *eth_dev)
{
struct rte_pci_device *pdev = RTE_DEV_TO_PCI(eth_dev->device);
struct lio_device *lio_dev = LIO_DEV(eth_dev);
PMD_INIT_FUNC_TRACE();
/* Primary does the initialization. */
if (rte_eal_process_type() != RTE_PROC_PRIMARY)
return 0;
rte_eth_copy_pci_info(eth_dev, pdev);
eth_dev->data->dev_flags |= RTE_ETH_DEV_DETACHABLE;
if (pdev->mem_resource[0].addr) {
lio_dev->hw_addr = pdev->mem_resource[0].addr;
} else {
PMD_INIT_LOG(ERR, "ERROR: Failed to map BAR0\n");
return -ENODEV;
}
lio_dev->eth_dev = eth_dev;
/* set lio device print string */
snprintf(lio_dev->dev_string, sizeof(lio_dev->dev_string),
"%s[%02x:%02x.%x]", pdev->driver->driver.name,
pdev->addr.bus, pdev->addr.devid, pdev->addr.function);
lio_dev->port_id = eth_dev->data->port_id;
eth_dev->data->mac_addrs = rte_zmalloc("lio", ETHER_ADDR_LEN, 0);
if (eth_dev->data->mac_addrs == NULL) {
lio_dev_err(lio_dev,
"MAC addresses memory allocation failed\n");
return -ENOMEM;
}
return 0;
}
/* Set of PCI devices this driver supports */
static const struct rte_pci_id pci_id_liovf_map[] = {
{ RTE_PCI_DEVICE(PCI_VENDOR_ID_CAVIUM, LIO_CN23XX_VF_VID) },
{ .vendor_id = 0, /* sentinel */ }
};
static struct eth_driver rte_liovf_pmd = {
.pci_drv = {
.id_table = pci_id_liovf_map,
.drv_flags = RTE_PCI_DRV_NEED_MAPPING,
.probe = rte_eth_dev_pci_probe,
.remove = rte_eth_dev_pci_remove,
},
.eth_dev_init = lio_eth_dev_init,
.eth_dev_uninit = lio_eth_dev_uninit,
.dev_private_size = sizeof(struct lio_device),
};
RTE_PMD_REGISTER_PCI(net_liovf, rte_liovf_pmd.pci_drv);
RTE_PMD_REGISTER_PCI_TABLE(net_liovf, pci_id_liovf_map);
RTE_PMD_REGISTER_KMOD_DEP(net_liovf, "* igb_uio | vfio");

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@ -0,0 +1,40 @@
/*
* BSD LICENSE
*
* Copyright(c) 2017 Cavium, Inc.. All rights reserved.
* 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 Cavium, Inc. 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(S) 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 _LIO_ETHDEV_H_
#define _LIO_ETHDEV_H_
#include <stdint.h>
#define LIO_DEV(_eth_dev) ((_eth_dev)->data->dev_private)
#endif /* _LIO_ETHDEV_H_ */

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@ -0,0 +1,65 @@
/*
* BSD LICENSE
*
* Copyright(c) 2017 Cavium, Inc.. All rights reserved.
* 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 Cavium, Inc. 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(S) 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 _LIO_STRUCT_H_
#define _LIO_STRUCT_H_
#include <stdio.h>
#include <stdint.h>
#include <sys/queue.h>
#include <rte_spinlock.h>
#include <rte_atomic.h>
#include "lio_hw_defs.h"
/* ----------------------- THE LIO DEVICE --------------------------- */
/** The lio device.
* Each lio device has this structure to represent all its
* components.
*/
struct lio_device {
uint8_t *hw_addr;
char dev_string[LIO_DEVICE_NAME_LEN]; /* Device print string */
struct rte_eth_dev *eth_dev;
uint8_t max_rx_queues;
uint8_t max_tx_queues;
uint8_t nb_rx_queues;
uint8_t nb_tx_queues;
uint8_t port_configured;
uint8_t port_id;
};
#endif /* _LIO_STRUCT_H_ */