[dpdk-dev] [PATCH v2 03/33] event/cnxk: add platform specific device probe

[<pbhagavatula@marvell.com>]

From: Pavan Nikhilesh <pbhagavatula@marvell.com>

Add platform specific event device probe and remove, also add
event device info get function.

Signed-off-by: Pavan Nikhilesh <pbhagavatula@marvell.com>
Signed-off-by: Shijith Thotton <sthotton@marvell.com>
---
 drivers/event/cnxk/cn10k_eventdev.c | 101 +++++++++++++++++++++++++++
 drivers/event/cnxk/cn9k_eventdev.c  | 102 ++++++++++++++++++++++++++++
 drivers/event/cnxk/cnxk_eventdev.h  |   2 +
 drivers/event/cnxk/meson.build      |   5 +-
 4 files changed, 209 insertions(+), 1 deletion(-)
 create mode 100644 drivers/event/cnxk/cn10k_eventdev.c
 create mode 100644 drivers/event/cnxk/cn9k_eventdev.c

diff --git a/drivers/event/cnxk/cn10k_eventdev.c b/drivers/event/cnxk/cn10k_eventdev.c
new file mode 100644
index 000000000..34238d3b5
--- /dev/null
+++ b/drivers/event/cnxk/cn10k_eventdev.c
@@ -0,0 +1,101 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(C) 2021 Marvell International Ltd.
+ */
+
+#include "cnxk_eventdev.h"
+
+static void
+cn10k_sso_set_rsrc(void *arg)
+{
+	struct cnxk_sso_evdev *dev = arg;
+
+	dev->max_event_ports = dev->sso.max_hws;
+	dev->max_event_queues =
+		dev->sso.max_hwgrp > RTE_EVENT_MAX_QUEUES_PER_DEV ?
+			      RTE_EVENT_MAX_QUEUES_PER_DEV :
+			      dev->sso.max_hwgrp;
+}
+
+static void
+cn10k_sso_info_get(struct rte_eventdev *event_dev,
+		   struct rte_event_dev_info *dev_info)
+{
+	struct cnxk_sso_evdev *dev = cnxk_sso_pmd_priv(event_dev);
+
+	dev_info->driver_name = RTE_STR(EVENTDEV_NAME_CN10K_PMD);
+	cnxk_sso_info_get(dev, dev_info);
+}
+
+static struct rte_eventdev_ops cn10k_sso_dev_ops = {
+	.dev_infos_get = cn10k_sso_info_get,
+};
+
+static int
+cn10k_sso_init(struct rte_eventdev *event_dev)
+{
+	struct cnxk_sso_evdev *dev = cnxk_sso_pmd_priv(event_dev);
+	int rc;
+
+	if (RTE_CACHE_LINE_SIZE != 64) {
+		plt_err("Driver not compiled for CN9K");
+		return -EFAULT;
+	}
+
+	rc = plt_init();
+	if (rc < 0) {
+		plt_err("Failed to initialize platform model");
+		return rc;
+	}
+
+	event_dev->dev_ops = &cn10k_sso_dev_ops;
+	/* For secondary processes, the primary has done all the work */
+	if (rte_eal_process_type() != RTE_PROC_PRIMARY)
+		return 0;
+
+	rc = cnxk_sso_init(event_dev);
+	if (rc < 0)
+		return rc;
+
+	cn10k_sso_set_rsrc(cnxk_sso_pmd_priv(event_dev));
+	if (!dev->max_event_ports || !dev->max_event_queues) {
+		plt_err("Not enough eventdev resource queues=%d ports=%d",
+			dev->max_event_queues, dev->max_event_ports);
+		cnxk_sso_fini(event_dev);
+		return -ENODEV;
+	}
+
+	plt_sso_dbg("Initializing %s max_queues=%d max_ports=%d",
+		    event_dev->data->name, dev->max_event_queues,
+		    dev->max_event_ports);
+
+	return 0;
+}
+
+static int
+cn10k_sso_probe(struct rte_pci_driver *pci_drv, struct rte_pci_device *pci_dev)
+{
+	return rte_event_pmd_pci_probe(pci_drv, pci_dev,
+				       sizeof(struct cnxk_sso_evdev),
+				       cn10k_sso_init);
+}
+
+static const struct rte_pci_id cn10k_pci_sso_map[] = {
+	CNXK_PCI_ID(PCI_SUBSYSTEM_DEVID_CN10KA, PCI_DEVID_CNXK_RVU_SSO_TIM_PF),
+	CNXK_PCI_ID(PCI_SUBSYSTEM_DEVID_CN10KAS, PCI_DEVID_CNXK_RVU_SSO_TIM_PF),
+	CNXK_PCI_ID(PCI_SUBSYSTEM_DEVID_CN10KA, PCI_DEVID_CNXK_RVU_SSO_TIM_VF),
+	CNXK_PCI_ID(PCI_SUBSYSTEM_DEVID_CN10KAS, PCI_DEVID_CNXK_RVU_SSO_TIM_VF),
+	{
+		.vendor_id = 0,
+	},
+};
+
+static struct rte_pci_driver cn10k_pci_sso = {
+	.id_table = cn10k_pci_sso_map,
+	.drv_flags = RTE_PCI_DRV_NEED_MAPPING | RTE_PCI_DRV_NEED_IOVA_AS_VA,
+	.probe = cn10k_sso_probe,
+	.remove = cnxk_sso_remove,
+};
+
+RTE_PMD_REGISTER_PCI(event_cn10k, cn10k_pci_sso);
+RTE_PMD_REGISTER_PCI_TABLE(event_cn10k, cn10k_pci_sso_map);
+RTE_PMD_REGISTER_KMOD_DEP(event_cn10k, "vfio-pci");
diff --git a/drivers/event/cnxk/cn9k_eventdev.c b/drivers/event/cnxk/cn9k_eventdev.c
new file mode 100644
index 000000000..238540828
--- /dev/null
+++ b/drivers/event/cnxk/cn9k_eventdev.c
@@ -0,0 +1,102 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(C) 2021 Marvell International Ltd.
+ */
+
+#include "cnxk_eventdev.h"
+
+#define CN9K_DUAL_WS_NB_WS	    2
+#define CN9K_DUAL_WS_PAIR_ID(x, id) (((x)*CN9K_DUAL_WS_NB_WS) + id)
+
+static void
+cn9k_sso_set_rsrc(void *arg)
+{
+	struct cnxk_sso_evdev *dev = arg;
+
+	if (dev->dual_ws)
+		dev->max_event_ports = dev->sso.max_hws / CN9K_DUAL_WS_NB_WS;
+	else
+		dev->max_event_ports = dev->sso.max_hws;
+	dev->max_event_queues =
+		dev->sso.max_hwgrp > RTE_EVENT_MAX_QUEUES_PER_DEV ?
+			      RTE_EVENT_MAX_QUEUES_PER_DEV :
+			      dev->sso.max_hwgrp;
+}
+
+static void
+cn9k_sso_info_get(struct rte_eventdev *event_dev,
+		  struct rte_event_dev_info *dev_info)
+{
+	struct cnxk_sso_evdev *dev = cnxk_sso_pmd_priv(event_dev);
+
+	dev_info->driver_name = RTE_STR(EVENTDEV_NAME_CN9K_PMD);
+	cnxk_sso_info_get(dev, dev_info);
+}
+
+static struct rte_eventdev_ops cn9k_sso_dev_ops = {
+	.dev_infos_get = cn9k_sso_info_get,
+};
+
+static int
+cn9k_sso_init(struct rte_eventdev *event_dev)
+{
+	struct cnxk_sso_evdev *dev = cnxk_sso_pmd_priv(event_dev);
+	int rc;
+
+	if (RTE_CACHE_LINE_SIZE != 128) {
+		plt_err("Driver not compiled for CN9K");
+		return -EFAULT;
+	}
+
+	rc = plt_init();
+	if (rc < 0) {
+		plt_err("Failed to initialize platform model");
+		return rc;
+	}
+
+	event_dev->dev_ops = &cn9k_sso_dev_ops;
+	/* For secondary processes, the primary has done all the work */
+	if (rte_eal_process_type() != RTE_PROC_PRIMARY)
+		return 0;
+
+	rc = cnxk_sso_init(event_dev);
+	if (rc < 0)
+		return rc;
+
+	cn9k_sso_set_rsrc(cnxk_sso_pmd_priv(event_dev));
+	if (!dev->max_event_ports || !dev->max_event_queues) {
+		plt_err("Not enough eventdev resource queues=%d ports=%d",
+			dev->max_event_queues, dev->max_event_ports);
+		cnxk_sso_fini(event_dev);
+		return -ENODEV;
+	}
+
+	plt_sso_dbg("Initializing %s max_queues=%d max_ports=%d",
+		    event_dev->data->name, dev->max_event_queues,
+		    dev->max_event_ports);
+
+	return 0;
+}
+
+static int
+cn9k_sso_probe(struct rte_pci_driver *pci_drv, struct rte_pci_device *pci_dev)
+{
+	return rte_event_pmd_pci_probe(
+		pci_drv, pci_dev, sizeof(struct cnxk_sso_evdev), cn9k_sso_init);
+}
+
+static const struct rte_pci_id cn9k_pci_sso_map[] = {
+	{
+		.vendor_id = 0,
+	},
+};
+
+static struct rte_pci_driver cn9k_pci_sso = {
+	.id_table = cn9k_pci_sso_map,
+	.drv_flags = RTE_PCI_DRV_NEED_MAPPING | RTE_PCI_DRV_NEED_IOVA_AS_VA,
+	.probe = cn9k_sso_probe,
+	.remove = cnxk_sso_remove,
+};
+
+RTE_PMD_REGISTER_PCI(event_cn9k, cn9k_pci_sso);
+RTE_PMD_REGISTER_PCI_TABLE(event_cn9k, cn9k_pci_sso_map);
+RTE_PMD_REGISTER_KMOD_DEP(event_cn9k, "vfio-pci");
diff --git a/drivers/event/cnxk/cnxk_eventdev.h b/drivers/event/cnxk/cnxk_eventdev.h
index 583492948..b98c783ae 100644
--- a/drivers/event/cnxk/cnxk_eventdev.h
+++ b/drivers/event/cnxk/cnxk_eventdev.h
@@ -25,6 +25,8 @@ struct cnxk_sso_evdev {
 	uint32_t min_dequeue_timeout_ns;
 	uint32_t max_dequeue_timeout_ns;
 	int32_t max_num_events;
+	/* CN9K */
+	uint8_t dual_ws;
 } __rte_cache_aligned;
 
 static inline struct cnxk_sso_evdev *
diff --git a/drivers/event/cnxk/meson.build b/drivers/event/cnxk/meson.build
index e454dc863..453c3a4f7 100644
--- a/drivers/event/cnxk/meson.build
+++ b/drivers/event/cnxk/meson.build
@@ -8,6 +8,9 @@ if not is_linux or not dpdk_conf.get('RTE_ARCH_64')
         subdir_done()
 endif
 
-sources = files('cnxk_eventdev.c')
+sources = files('cn10k_eventdev.c',
+                'cn9k_eventdev.c',
+                'cnxk_eventdev.c',
+                )
 
 deps += ['bus_pci', 'common_cnxk', 'net_cnxk']
-- 
2.17.1