Default device configuration and initialization code.
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>
# all source are stored in SRCS-y
#
SRCS-$(CONFIG_RTE_LIBRTE_LIO_PMD) += lio_ethdev.c
+SRCS-$(CONFIG_RTE_LIBRTE_LIO_PMD) += lio_23xx_vf.c
# this lib depends upon:
DEPDIRS-$(CONFIG_RTE_LIBRTE_LIO_PMD) += lib/librte_eal lib/librte_ether
--- /dev/null
+/*
+ * 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 "lio_logs.h"
+#include "lio_23xx_vf.h"
+#include "lio_23xx_reg.h"
+
+int
+cn23xx_vf_setup_device(struct lio_device *lio_dev)
+{
+ uint64_t reg_val;
+
+ PMD_INIT_FUNC_TRACE();
+
+ /* INPUT_CONTROL[RPVF] gives the VF IOq count */
+ reg_val = lio_read_csr64(lio_dev, CN23XX_SLI_IQ_PKT_CONTROL64(0));
+
+ lio_dev->pf_num = (reg_val >> CN23XX_PKT_INPUT_CTL_PF_NUM_POS) &
+ CN23XX_PKT_INPUT_CTL_PF_NUM_MASK;
+ lio_dev->vf_num = (reg_val >> CN23XX_PKT_INPUT_CTL_VF_NUM_POS) &
+ CN23XX_PKT_INPUT_CTL_VF_NUM_MASK;
+
+ reg_val = reg_val >> CN23XX_PKT_INPUT_CTL_RPVF_POS;
+
+ lio_dev->sriov_info.rings_per_vf =
+ reg_val & CN23XX_PKT_INPUT_CTL_RPVF_MASK;
+
+ lio_dev->default_config = lio_get_conf(lio_dev);
+ if (lio_dev->default_config == NULL)
+ return -1;
+
+ return 0;
+}
--- /dev/null
+/*
+ * 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_23XX_VF_H_
+#define _LIO_23XX_VF_H_
+
+#include <stdio.h>
+
+#include "lio_struct.h"
+
+static const struct lio_config default_cn23xx_conf = {
+ .card_type = LIO_23XX,
+ .card_name = LIO_23XX_NAME,
+ /** IQ attributes */
+ .iq = {
+ .max_iqs = CN23XX_CFG_IO_QUEUES,
+ .pending_list_size =
+ (CN23XX_MAX_IQ_DESCRIPTORS * CN23XX_CFG_IO_QUEUES),
+ .instr_type = OCTEON_64BYTE_INSTR,
+ },
+
+ /** OQ attributes */
+ .oq = {
+ .max_oqs = CN23XX_CFG_IO_QUEUES,
+ .info_ptr = OCTEON_OQ_INFOPTR_MODE,
+ .refill_threshold = CN23XX_OQ_REFIL_THRESHOLD,
+ },
+
+ .num_nic_ports = CN23XX_DEFAULT_NUM_PORTS,
+ .num_def_rx_descs = CN23XX_MAX_OQ_DESCRIPTORS,
+ .num_def_tx_descs = CN23XX_MAX_IQ_DESCRIPTORS,
+ .def_rx_buf_size = CN23XX_OQ_BUF_SIZE,
+};
+
+static inline const struct lio_config *
+lio_get_conf(struct lio_device *lio_dev)
+{
+ const struct lio_config *default_lio_conf = NULL;
+
+ /* check the LIO Device model & return the corresponding lio
+ * configuration
+ */
+ default_lio_conf = &default_cn23xx_conf;
+
+ if (default_lio_conf == NULL) {
+ lio_dev_err(lio_dev, "Configuration verification failed\n");
+ return NULL;
+ }
+
+ return default_lio_conf;
+}
+
+int cn23xx_vf_setup_device(struct lio_device *lio_dev);
+#endif /* _LIO_23XX_VF_H_ */
#define LIO_CN23XX_VF_VID 0x9712
+/* --------------------------CONFIG VALUES------------------------ */
+
+/* CN23xx IQ configuration macros */
+#define CN23XX_MAX_RINGS_PER_PF 64
+#define CN23XX_MAX_RINGS_PER_VF 8
+
+#define CN23XX_MAX_INPUT_QUEUES CN23XX_MAX_RINGS_PER_PF
+#define CN23XX_MAX_IQ_DESCRIPTORS 512
+#define CN23XX_MIN_IQ_DESCRIPTORS 128
+
+#define CN23XX_MAX_OUTPUT_QUEUES CN23XX_MAX_RINGS_PER_PF
+#define CN23XX_MAX_OQ_DESCRIPTORS 512
+#define CN23XX_MIN_OQ_DESCRIPTORS 128
+#define CN23XX_OQ_BUF_SIZE 1536
+
+#define CN23XX_OQ_REFIL_THRESHOLD 16
+
+#define CN23XX_DEFAULT_NUM_PORTS 1
+
+#define CN23XX_CFG_IO_QUEUES CN23XX_MAX_RINGS_PER_PF
+
+/* common OCTEON configuration macros */
+#define OCTEON_64BYTE_INSTR 64
+#define OCTEON_OQ_INFOPTR_MODE 1
+
+/* Max IOQs per LIO Link */
+#define LIO_MAX_IOQS_PER_IF 64
+
+enum lio_card_type {
+ LIO_23XX /* 23xx */
+};
+
+#define LIO_23XX_NAME "23xx"
+
#define LIO_DEVICE_NAME_LEN 32
/* Routines for reading and writing CSRs */
#include <rte_alarm.h>
#include "lio_logs.h"
-#include "lio_struct.h"
+#include "lio_23xx_vf.h"
#include "lio_ethdev.h"
+/**
+ * \brief Identify the LIO device and to map the BAR address space
+ * @param lio_dev lio device
+ */
+static int
+lio_chip_specific_setup(struct lio_device *lio_dev)
+{
+ struct rte_pci_device *pdev = lio_dev->pci_dev;
+ uint32_t dev_id = pdev->id.device_id;
+ const char *s;
+ int ret = 1;
+
+ switch (dev_id) {
+ case LIO_CN23XX_VF_VID:
+ lio_dev->chip_id = LIO_CN23XX_VF_VID;
+ ret = cn23xx_vf_setup_device(lio_dev);
+ s = "CN23XX VF";
+ break;
+ default:
+ s = "?";
+ lio_dev_err(lio_dev, "Unsupported Chip\n");
+ }
+
+ if (!ret)
+ lio_dev_info(lio_dev, "DEVICE : %s\n", s);
+
+ return ret;
+}
+
+static int
+lio_first_time_init(struct lio_device *lio_dev,
+ struct rte_pci_device *pdev)
+{
+ int dpdk_queues;
+
+ PMD_INIT_FUNC_TRACE();
+
+ /* set dpdk specific pci device pointer */
+ lio_dev->pci_dev = pdev;
+
+ /* Identify the LIO type and set device ops */
+ if (lio_chip_specific_setup(lio_dev)) {
+ lio_dev_err(lio_dev, "Chip specific setup failed\n");
+ return -1;
+ }
+
+ dpdk_queues = (int)lio_dev->sriov_info.rings_per_vf;
+
+ lio_dev->max_tx_queues = dpdk_queues;
+ lio_dev->max_rx_queues = dpdk_queues;
+
+ return 0;
+}
+
static int
lio_eth_dev_uninit(struct rte_eth_dev *eth_dev)
{
lio_dev->port_id = eth_dev->data->port_id;
+ if (lio_first_time_init(lio_dev, pdev)) {
+ lio_dev_err(lio_dev, "Device init failed\n");
+ return -EINVAL;
+ }
+
eth_dev->data->mac_addrs = rte_zmalloc("lio", ETHER_ADDR_LEN, 0);
if (eth_dev->data->mac_addrs == NULL) {
lio_dev_err(lio_dev,
#include "lio_hw_defs.h"
+struct lio_sriov_info {
+ /** Number of rings assigned to VF */
+ uint32_t rings_per_vf;
+
+ /** Number of VF devices enabled */
+ uint32_t num_vfs;
+};
+
+/* Structure to define the configuration attributes for each Input queue. */
+struct lio_iq_config {
+ /* Max number of IQs available */
+ uint8_t max_iqs;
+
+ /** Pending list size (usually set to the sum of the size of all Input
+ * queues)
+ */
+ uint32_t pending_list_size;
+
+ /** Command size - 32 or 64 bytes */
+ uint32_t instr_type;
+};
+
+/* Structure to define the configuration attributes for each Output queue. */
+struct lio_oq_config {
+ /* Max number of OQs available */
+ uint8_t max_oqs;
+
+ /** If set, the Output queue uses info-pointer mode. (Default: 1 ) */
+ uint32_t info_ptr;
+
+ /** The number of buffers that were consumed during packet processing by
+ * the driver on this Output queue before the driver attempts to
+ * replenish the descriptor ring with new buffers.
+ */
+ uint32_t refill_threshold;
+};
+
+/* Structure to define the configuration. */
+struct lio_config {
+ uint16_t card_type;
+ const char *card_name;
+
+ /** Input Queue attributes. */
+ struct lio_iq_config iq;
+
+ /** Output Queue attributes. */
+ struct lio_oq_config oq;
+
+ int num_nic_ports;
+
+ int num_def_tx_descs;
+
+ /* Num of desc for rx rings */
+ int num_def_rx_descs;
+
+ int def_rx_buf_size;
+};
+
/* ----------------------- THE LIO DEVICE --------------------------- */
/** The lio device.
* Each lio device has this structure to represent all its
* components.
*/
struct lio_device {
+ /** PCI device pointer */
+ struct rte_pci_device *pci_dev;
+
+ /** Octeon Chip type */
+ uint16_t chip_id;
+ uint16_t pf_num;
+ uint16_t vf_num;
+
uint8_t *hw_addr;
+ struct lio_sriov_info sriov_info;
+
char dev_string[LIO_DEVICE_NAME_LEN]; /* Device print string */
+ const struct lio_config *default_config;
+
struct rte_eth_dev *eth_dev;
uint8_t max_rx_queues;