event/dpaa2: register dpcon as dpaa2 device for bus scan
Registering dpcon as dpaa2 type device handling initialization, allocation and freeing of the device Signed-off-by: Nipun Gupta <nipun.gupta@nxp.com>
This commit is contained in:
Nipun Gupta
Jerin Jacob
parent
b981f26e9f
commit
5c2b5b72ae
@ -38,7 +38,14 @@ LIB = librte_pmd_dpaa2_event.a
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CFLAGS += $(WERROR_FLAGS)
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CFLAGS += -I$(RTE_SDK)/drivers/bus/fslmc
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CFLAGS += -I$(RTE_SDK)/drivers/bus/fslmc/qbman/include
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CFLAGS += -I$(RTE_SDK)/drivers/bus/fslmc/mc
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CFLAGS += -I$(RTE_SDK)/drivers/bus/fslmc/portal
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CFLAGS += -I$(RTE_SDK)/drivers/mempool/dpaa2
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CFLAGS += -I$(RTE_SDK)/drivers/event/dpaa2
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CFLAGS += -I$(RTE_SDK)/lib/librte_eal/linuxapp/eal
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# versioning export map
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EXPORT_MAP := rte_pmd_dpaa2_event_version.map
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@ -47,6 +54,7 @@ LIBABIVER := 1
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#
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# all source are stored in SRCS-y
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#
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SRCS-$(CONFIG_RTE_LIBRTE_PMD_DPAA2_EVENTDEV) += dpaa2_hw_dpcon.c
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SRCS-$(CONFIG_RTE_LIBRTE_PMD_DPAA2_EVENTDEV) += dpaa2_eventdev.c
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include $(RTE_SDK)/mk/rte.lib.mk
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@ -34,6 +34,10 @@
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#define __DPAA2_EVENTDEV_H__
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#include <rte_eventdev_pmd.h>
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#include <rte_atomic.h>
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#include <mc/fsl_dpcon.h>
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#include <mc/fsl_mc_sys.h>
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#define EVENTDEV_NAME_DPAA2_PMD event_dpaa2
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#ifdef RTE_LIBRTE_PMD_DPAA2_EVENTDEV_DEBUG
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@ -48,4 +52,18 @@
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#define PMD_DRV_ERR(fmt, args...) \
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RTE_LOG(ERR, PMD, "%s(): " fmt "\n", __func__, ## args)
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struct dpaa2_dpcon_dev {
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TAILQ_ENTRY(dpaa2_dpcon_dev) next;
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struct fsl_mc_io dpcon;
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uint16_t token;
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rte_atomic16_t in_use;
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uint32_t dpcon_id;
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uint16_t qbman_ch_id;
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uint8_t num_priorities;
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uint8_t channel_index;
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};
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struct dpaa2_dpcon_dev *rte_dpaa2_alloc_dpcon_dev(void);
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void rte_dpaa2_free_dpcon_dev(struct dpaa2_dpcon_dev *dpcon);
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#endif /* __DPAA2_EVENTDEV_H__ */
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139
drivers/event/dpaa2/dpaa2_hw_dpcon.c
Normal file
139
drivers/event/dpaa2/dpaa2_hw_dpcon.c
Normal file
@ -0,0 +1,139 @@
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/*-
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* BSD LICENSE
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*
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* Copyright 2017 NXP.
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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 NXP 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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#include <unistd.h>
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#include <stdio.h>
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#include <sys/types.h>
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#include <string.h>
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#include <stdlib.h>
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#include <fcntl.h>
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#include <errno.h>
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#include <rte_malloc.h>
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#include <rte_memcpy.h>
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#include <rte_string_fns.h>
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#include <rte_cycles.h>
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#include <rte_kvargs.h>
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#include <rte_dev.h>
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#include <rte_ethdev.h>
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#include <fslmc_vfio.h>
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#include <mc/fsl_dpcon.h>
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#include <portal/dpaa2_hw_pvt.h>
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#include "dpaa2_eventdev.h"
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TAILQ_HEAD(dpcon_dev_list, dpaa2_dpcon_dev);
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static struct dpcon_dev_list dpcon_dev_list
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= TAILQ_HEAD_INITIALIZER(dpcon_dev_list); /*!< DPCON device list */
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static int
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rte_dpaa2_create_dpcon_device(struct fslmc_vfio_device *vdev __rte_unused,
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struct vfio_device_info *obj_info __rte_unused,
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int dpcon_id)
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{
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struct dpaa2_dpcon_dev *dpcon_node;
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struct dpcon_attr attr;
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int ret;
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/* Allocate DPAA2 dpcon handle */
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dpcon_node = rte_malloc(NULL, sizeof(struct dpaa2_dpcon_dev), 0);
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if (!dpcon_node) {
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PMD_DRV_LOG(ERR, "Memory allocation failed for DPCON Device");
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return -1;
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}
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/* Open the dpcon object */
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dpcon_node->dpcon.regs = rte_mcp_ptr_list[MC_PORTAL_INDEX];
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ret = dpcon_open(&dpcon_node->dpcon,
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CMD_PRI_LOW, dpcon_id, &dpcon_node->token);
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if (ret) {
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PMD_DRV_LOG(ERR, "Resource alloc failure with err code: %d",
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ret);
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rte_free(dpcon_node);
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return -1;
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}
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/* Get the device attributes */
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ret = dpcon_get_attributes(&dpcon_node->dpcon,
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CMD_PRI_LOW, dpcon_node->token, &attr);
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if (ret != 0) {
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PMD_DRV_LOG(ERR, "Reading device failed with err code: %d",
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ret);
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rte_free(dpcon_node);
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return -1;
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}
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/* Updating device specific private information*/
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dpcon_node->qbman_ch_id = attr.qbman_ch_id;
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dpcon_node->num_priorities = attr.num_priorities;
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dpcon_node->dpcon_id = dpcon_id;
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rte_atomic16_init(&dpcon_node->in_use);
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TAILQ_INSERT_TAIL(&dpcon_dev_list, dpcon_node, next);
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PMD_DRV_LOG(DEBUG, "DPAA2: Added [dpcon-%d]", dpcon_id);
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return 0;
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}
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struct dpaa2_dpcon_dev *rte_dpaa2_alloc_dpcon_dev(void)
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{
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struct dpaa2_dpcon_dev *dpcon_dev = NULL;
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/* Get DPCON dev handle from list using index */
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TAILQ_FOREACH(dpcon_dev, &dpcon_dev_list, next) {
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if (dpcon_dev && rte_atomic16_test_and_set(&dpcon_dev->in_use))
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break;
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}
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return dpcon_dev;
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}
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void rte_dpaa2_free_dpcon_dev(struct dpaa2_dpcon_dev *dpcon)
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{
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struct dpaa2_dpcon_dev *dpcon_dev = NULL;
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/* Match DPCON handle and mark it free */
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TAILQ_FOREACH(dpcon_dev, &dpcon_dev_list, next) {
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if (dpcon_dev == dpcon) {
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rte_atomic16_dec(&dpcon_dev->in_use);
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return;
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}
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}
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}
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static struct rte_dpaa2_object rte_dpaa2_dpcon_obj = {
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.object_id = DPAA2_MC_DPCON_DEVID,
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.create = rte_dpaa2_create_dpcon_device,
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};
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RTE_PMD_REGISTER_DPAA2_OBJECT(dpcon, rte_dpaa2_dpcon_obj);
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