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From: Nipun Gupta <nipun.gupta@nxp.com>
To: <dev@dpdk.org>
CC: <hemant.agrawal@nxp.com>, <jerin.jacob@caviumnetworks.com>,
<harry.van.haaren@intel.com>, <bruce.richardson@intel.com>,
<gage.eads@intel.com>, <shreyansh.jain@nxp.com>, Nipun Gupta
<nipun.gupta@nxp.com>
Date: Wed, 28 Jun 2017 20:45:52 +0530
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Subject: [dpdk-dev] [PATCH 09/21 v3] bus/fslmc: register dpci as dpaa2
device for bus scan
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X-List-Received-Date: Wed, 28 Jun 2017 15:17:32 -0000
Registering dpci as dpaa2 type device handling initialization,
allocation and freeing of the device
Signed-off-by: Nipun Gupta <nipun.gupta@nxp.com>
---
drivers/bus/fslmc/Makefile | 1 +
drivers/bus/fslmc/fslmc_vfio.h | 1 +
drivers/bus/fslmc/portal/dpaa2_hw_dpci.c | 179 +++++++++++++++++++++++++++++++
drivers/bus/fslmc/portal/dpaa2_hw_pvt.h | 15 +++
4 files changed, 196 insertions(+)
create mode 100644 drivers/bus/fslmc/portal/dpaa2_hw_dpci.c
diff --git a/drivers/bus/fslmc/Makefile b/drivers/bus/fslmc/Makefile
index 4884d87..a156847 100644
--- a/drivers/bus/fslmc/Makefile
+++ b/drivers/bus/fslmc/Makefile
@@ -72,6 +72,7 @@ SRCS-$(CONFIG_RTE_LIBRTE_FSLMC_BUS) += \
SRCS-$(CONFIG_RTE_LIBRTE_FSLMC_BUS) += portal/dpaa2_hw_dpio.c
SRCS-$(CONFIG_RTE_LIBRTE_FSLMC_BUS) += portal/dpaa2_hw_dpbp.c
+SRCS-$(CONFIG_RTE_LIBRTE_FSLMC_BUS) += portal/dpaa2_hw_dpci.c
SRCS-$(CONFIG_RTE_LIBRTE_FSLMC_BUS) += fslmc_vfio.c
SRCS-$(CONFIG_RTE_LIBRTE_FSLMC_BUS) += fslmc_bus.c
diff --git a/drivers/bus/fslmc/fslmc_vfio.h b/drivers/bus/fslmc/fslmc_vfio.h
index eddce31..7c725f4 100644
--- a/drivers/bus/fslmc/fslmc_vfio.h
+++ b/drivers/bus/fslmc/fslmc_vfio.h
@@ -42,6 +42,7 @@
#define DPAA2_MC_DPCON_DEVID 5
#define DPAA2_MC_DPIO_DEVID 9
#define DPAA2_MC_DPBP_DEVID 10
+#define DPAA2_MC_DPCI_DEVID 11
#define VFIO_MAX_GRP 1
diff --git a/drivers/bus/fslmc/portal/dpaa2_hw_dpci.c b/drivers/bus/fslmc/portal/dpaa2_hw_dpci.c
new file mode 100644
index 0000000..d222f26
--- /dev/null
+++ b/drivers/bus/fslmc/portal/dpaa2_hw_dpci.c
@@ -0,0 +1,179 @@
+/*-
+ * BSD LICENSE
+ *
+ * Copyright 2017 NXP.
+ *
+ * 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 Freescale Semiconductor, 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 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 <unistd.h>
+#include <stdio.h>
+#include <sys/types.h>
+#include <string.h>
+#include <stdlib.h>
+#include <fcntl.h>
+#include <errno.h>
+
+#include <rte_malloc.h>
+#include <rte_memcpy.h>
+#include <rte_string_fns.h>
+#include <rte_cycles.h>
+#include <rte_kvargs.h>
+#include <rte_dev.h>
+#include <rte_ethdev.h>
+
+#include <fslmc_logs.h>
+#include <fslmc_vfio.h>
+#include <mc/fsl_dpci.h>
+#include "portal/dpaa2_hw_pvt.h"
+#include "portal/dpaa2_hw_dpio.h"
+
+TAILQ_HEAD(dpci_dev_list, dpaa2_dpci_dev);
+static struct dpci_dev_list dpci_dev_list
+ = TAILQ_HEAD_INITIALIZER(dpci_dev_list); /*!< DPCI device list */
+
+static int
+rte_dpaa2_create_dpci_device(struct fslmc_vfio_device *vdev __rte_unused,
+ struct vfio_device_info *obj_info __rte_unused,
+ int dpci_id)
+{
+ struct dpaa2_dpci_dev *dpci_node;
+ struct dpci_attr attr;
+ struct dpci_rx_queue_cfg rx_queue_cfg;
+ struct dpci_rx_queue_attr rx_attr;
+ int ret, i;
+
+ /* Allocate DPAA2 dpci handle */
+ dpci_node = rte_malloc(NULL, sizeof(struct dpaa2_dpci_dev), 0);
+ if (!dpci_node) {
+ PMD_INIT_LOG(ERR, "Memory allocation failed for DPCI Device");
+ return -1;
+ }
+
+ /* Open the dpci object */
+ dpci_node->dpci.regs = rte_mcp_ptr_list[MC_PORTAL_INDEX];
+ ret = dpci_open(&dpci_node->dpci,
+ CMD_PRI_LOW, dpci_id, &dpci_node->token);
+ if (ret) {
+ PMD_INIT_LOG(ERR, "Resource alloc failure with err code: %d",
+ ret);
+ rte_free(dpci_node);
+ return -1;
+ }
+
+ /* Get the device attributes */
+ ret = dpci_get_attributes(&dpci_node->dpci,
+ CMD_PRI_LOW, dpci_node->token, &attr);
+ if (ret != 0) {
+ PMD_INIT_LOG(ERR, "Reading device failed with err code: %d",
+ ret);
+ rte_free(dpci_node);
+ return -1;
+ }
+
+ /* Set up the Rx Queue */
+ memset(&rx_queue_cfg, 0, sizeof(struct dpci_rx_queue_cfg));
+ ret = dpci_set_rx_queue(&dpci_node->dpci,
+ CMD_PRI_LOW,
+ dpci_node->token,
+ 0, &rx_queue_cfg);
+ if (ret) {
+ PMD_INIT_LOG(ERR, "Setting Rx queue failed with err code: %d",
+ ret);
+ rte_free(dpci_node);
+ return -1;
+ }
+
+ /* Enable the device */
+ ret = dpci_enable(&dpci_node->dpci,
+ CMD_PRI_LOW, dpci_node->token);
+ if (ret != 0) {
+ PMD_INIT_LOG(ERR, "Enabling device failed with err code: %d",
+ ret);
+ rte_free(dpci_node);
+ return -1;
+ }
+
+ for (i = 0; i < DPAA2_DPCI_MAX_QUEUES; i++) {
+ /* Get the Rx FQID's */
+ ret = dpci_get_rx_queue(&dpci_node->dpci,
+ CMD_PRI_LOW,
+ dpci_node->token, i,
+ &rx_attr);
+ if (ret != 0) {
+ PMD_INIT_LOG(ERR,
+ "Reading device failed with err code: %d",
+ ret);
+ rte_free(dpci_node);
+ return -1;
+ }
+
+ dpci_node->queue[i].fqid = rx_attr.fqid;
+ }
+
+ dpci_node->dpci_id = dpci_id;
+ rte_atomic16_init(&dpci_node->in_use);
+
+ TAILQ_INSERT_TAIL(&dpci_dev_list, dpci_node, next);
+
+ PMD_INIT_LOG(DEBUG, "DPAA2: Added [dpci-%d]", dpci_id);
+
+ return 0;
+}
+
+struct dpaa2_dpci_dev *rte_dpaa2_alloc_dpci_dev(void)
+{
+ struct dpaa2_dpci_dev *dpci_dev = NULL;
+
+ /* Get DPCI dev handle from list using index */
+ TAILQ_FOREACH(dpci_dev, &dpci_dev_list, next) {
+ if (dpci_dev && rte_atomic16_test_and_set(&dpci_dev->in_use))
+ break;
+ }
+
+ return dpci_dev;
+}
+
+void rte_dpaa2_free_dpci_dev(struct dpaa2_dpci_dev *dpci)
+{
+ struct dpaa2_dpci_dev *dpci_dev = NULL;
+
+ /* Match DPCI handle and mark it free */
+ TAILQ_FOREACH(dpci_dev, &dpci_dev_list, next) {
+ if (dpci_dev == dpci) {
+ rte_atomic16_dec(&dpci_dev->in_use);
+ return;
+ }
+ }
+}
+
+static struct rte_dpaa2_object rte_dpaa2_dpci_obj = {
+ .object_id = DPAA2_MC_DPCI_DEVID,
+ .create = rte_dpaa2_create_dpci_device,
+};
+
+RTE_PMD_REGISTER_DPAA2_OBJECT(dpci, rte_dpaa2_dpci_obj);
diff --git a/drivers/bus/fslmc/portal/dpaa2_hw_pvt.h b/drivers/bus/fslmc/portal/dpaa2_hw_pvt.h
index 429eaee..0026ba9 100644
--- a/drivers/bus/fslmc/portal/dpaa2_hw_pvt.h
+++ b/drivers/bus/fslmc/portal/dpaa2_hw_pvt.h
@@ -79,6 +79,8 @@
#define DPAA2_HW_BUF_RESERVE 0
#define DPAA2_PACKET_LAYOUT_ALIGN 64 /*changing from 256 */
+#define DPAA2_DPCI_MAX_QUEUES 2
+
struct dpaa2_dpio_dev {
TAILQ_ENTRY(dpaa2_dpio_dev) next;
/**< Pointer to Next device instance */
@@ -142,6 +144,16 @@ struct swp_active_dqs {
extern struct swp_active_dqs rte_global_active_dqs_list[NUM_MAX_SWP];
+struct dpaa2_dpci_dev {
+ TAILQ_ENTRY(dpaa2_dpci_dev) next;
+ /**< Pointer to Next device instance */
+ struct fsl_mc_io dpci; /** handle to DPCI portal object */
+ uint16_t token;
+ rte_atomic16_t in_use;
+ uint32_t dpci_id; /*HW ID for DPCI object */
+ struct dpaa2_queue queue[DPAA2_DPCI_MAX_QUEUES];
+};
+
/*! Global MCP list */
extern void *(*rte_mcp_ptr_list);
@@ -311,4 +323,7 @@ void set_swp_active_dqs(uint16_t dpio_index, struct qbman_result *dqs)
struct dpaa2_dpbp_dev *dpaa2_alloc_dpbp_dev(void);
void dpaa2_free_dpbp_dev(struct dpaa2_dpbp_dev *dpbp);
+struct dpaa2_dpci_dev *rte_dpaa2_alloc_dpci_dev(void);
+void rte_dpaa2_free_dpci_dev(struct dpaa2_dpci_dev *dpci);
+
#endif
--
1.9.1