[dpdk-dev] [PATCH 01/44] event/octeontx2: add build infra and device probe

[<pbhagavatula@marvell.com>]

From: Pavan Nikhilesh <pbhagavatula@marvell.com>

Add the make and meson based build infrastructure along with the
eventdev(SSO) device probe.

Signed-off-by: Jerin Jacob <jerinj@marvell.com>
Signed-off-by: Pavan Nikhilesh <pbhagavatula@marvell.com>
Signed-off-by: Nithin Dabilpuram <ndabilpuram@marvell.com>
---
 config/common_base                            |  5 ++
 drivers/event/Makefile                        |  1 +
 drivers/event/meson.build                     |  2 +-
 drivers/event/octeontx2/Makefile              | 39 +++++++++++
 drivers/event/octeontx2/meson.build           | 21 ++++++
 drivers/event/octeontx2/otx2_evdev.c          | 70 +++++++++++++++++++
 drivers/event/octeontx2/otx2_evdev.h          | 26 +++++++
 .../rte_pmd_octeontx2_event_version.map       |  4 ++
 mk/rte.app.mk                                 |  2 +
 9 files changed, 169 insertions(+), 1 deletion(-)
 create mode 100644 drivers/event/octeontx2/Makefile
 create mode 100644 drivers/event/octeontx2/meson.build
 create mode 100644 drivers/event/octeontx2/otx2_evdev.c
 create mode 100644 drivers/event/octeontx2/otx2_evdev.h
 create mode 100644 drivers/event/octeontx2/rte_pmd_octeontx2_event_version.map

diff --git a/config/common_base b/config/common_base
index 4a3de0360..40d1cd18a 100644
--- a/config/common_base
+++ b/config/common_base
@@ -741,6 +741,11 @@ CONFIG_RTE_LIBRTE_PMD_DPAA2_QDMA_RAWDEV=n
 #
 CONFIG_RTE_LIBRTE_PMD_IFPGA_RAWDEV=y
 
+#
+# Compile PMD for octeontx sso event device
+#
+CONFIG_RTE_LIBRTE_PMD_OCTEONTX2_EVENTDEV=y
+
 #
 # Compile librte_ring
 #
diff --git a/drivers/event/Makefile b/drivers/event/Makefile
index 03ad1b6cb..e4e7eff37 100644
--- a/drivers/event/Makefile
+++ b/drivers/event/Makefile
@@ -15,5 +15,6 @@ ifeq ($(CONFIG_RTE_EAL_VFIO)$(CONFIG_RTE_LIBRTE_FSLMC_BUS),yy)
 DIRS-$(CONFIG_RTE_LIBRTE_PMD_DPAA2_EVENTDEV) += dpaa2
 endif
 DIRS-$(CONFIG_RTE_LIBRTE_PMD_OPDL_EVENTDEV) += opdl
+DIRS-$(CONFIG_RTE_LIBRTE_PMD_OCTEONTX2_EVENTDEV) += octeontx2
 
 include $(RTE_SDK)/mk/rte.subdir.mk
diff --git a/drivers/event/meson.build b/drivers/event/meson.build
index fb723f727..b204a9f8d 100644
--- a/drivers/event/meson.build
+++ b/drivers/event/meson.build
@@ -1,7 +1,7 @@
 # SPDX-License-Identifier: BSD-3-Clause
 # Copyright(c) 2017 Intel Corporation
 
-drivers = ['dpaa', 'dpaa2', 'opdl', 'skeleton', 'sw', 'dsw']
+drivers = ['dpaa', 'dpaa2', 'opdl', 'skeleton', 'sw', 'dsw', 'octeontx2']
 if not (toolchain == 'gcc' and cc.version().version_compare('<4.8.6') and
 	dpdk_conf.has('RTE_ARCH_ARM64'))
 	drivers += 'octeontx'
diff --git a/drivers/event/octeontx2/Makefile b/drivers/event/octeontx2/Makefile
new file mode 100644
index 000000000..dbf6ec22d
--- /dev/null
+++ b/drivers/event/octeontx2/Makefile
@@ -0,0 +1,39 @@
+# SPDX-License-Identifier: BSD-3-Clause
+# Copyright(C) 2019 Marvell International Ltd.
+#
+
+include $(RTE_SDK)/mk/rte.vars.mk
+
+#
+# library name
+#
+LIB = librte_pmd_octeontx2_event.a
+
+CFLAGS += $(WERROR_FLAGS)
+CFLAGS += -I$(RTE_SDK)/drivers/common/octeontx2
+CFLAGS += -I$(RTE_SDK)/drivers/mempool/octeontx2
+CFLAGS += -I$(RTE_SDK)/drivers/event/octeontx2
+CFLAGS += -I$(RTE_SDK)/drivers/net/octeontx2
+CFLAGS += -O3
+CFLAGS += -DALLOW_EXPERIMENTAL_API
+
+ifneq ($(CONFIG_RTE_ARCH_64),y)
+CFLAGS += -Wno-int-to-pointer-cast
+CFLAGS += -Wno-pointer-to-int-cast
+endif
+
+EXPORT_MAP := rte_pmd_octeontx2_event_version.map
+
+LIBABIVER := 1
+
+#
+# all source are stored in SRCS-y
+#
+
+SRCS-$(CONFIG_RTE_LIBRTE_PMD_OCTEONTX2_EVENTDEV) += otx2_evdev.c
+
+LDLIBS += -lrte_eal -lrte_bus_pci -lrte_pci
+LDLIBS += -lrte_eventdev
+LDLIBS += -lrte_common_octeontx2
+
+include $(RTE_SDK)/mk/rte.lib.mk
diff --git a/drivers/event/octeontx2/meson.build b/drivers/event/octeontx2/meson.build
new file mode 100644
index 000000000..c4f442174
--- /dev/null
+++ b/drivers/event/octeontx2/meson.build
@@ -0,0 +1,21 @@
+# SPDX-License-Identifier: BSD-3-Clause
+# Copyright(C) 2019 Marvell International Ltd.
+#
+
+sources = files('otx2_evdev.c')
+
+allow_experimental_apis = true
+
+extra_flags = []
+# This integrated controller runs only on a arm64 machine, remove 32bit warnings
+if not dpdk_conf.get('RTE_ARCH_64')
+	extra_flags += ['-Wno-int-to-pointer-cast', '-Wno-pointer-to-int-cast']
+endif
+
+foreach flag: extra_flags
+	if cc.has_argument(flag)
+		cflags += flag
+	endif
+endforeach
+
+deps += ['bus_pci', 'common_octeontx2']
diff --git a/drivers/event/octeontx2/otx2_evdev.c b/drivers/event/octeontx2/otx2_evdev.c
new file mode 100644
index 000000000..faffd3f0c
--- /dev/null
+++ b/drivers/event/octeontx2/otx2_evdev.c
@@ -0,0 +1,70 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(C) 2019 Marvell International Ltd.
+ */
+
+#include <inttypes.h>
+
+#include <rte_bus_pci.h>
+#include <rte_common.h>
+#include <rte_eal.h>
+#include <rte_eventdev_pmd_pci.h>
+#include <rte_pci.h>
+
+#include "otx2_evdev.h"
+
+static int
+otx2_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 otx2_sso_evdev),
+				       otx2_sso_init);
+}
+
+static int
+otx2_sso_remove(struct rte_pci_device *pci_dev)
+{
+	return rte_event_pmd_pci_remove(pci_dev, otx2_sso_fini);
+}
+
+static const struct rte_pci_id pci_sso_map[] = {
+	{
+		RTE_PCI_DEVICE(PCI_VENDOR_ID_CAVIUM,
+			       PCI_DEVID_OCTEONTX2_RVU_SSO_TIM_PF)
+	},
+	{
+		.vendor_id = 0,
+	},
+};
+
+static struct rte_pci_driver pci_sso = {
+	.id_table = pci_sso_map,
+	.drv_flags = RTE_PCI_DRV_NEED_MAPPING | RTE_PCI_DRV_IOVA_AS_VA,
+	.probe = otx2_sso_probe,
+	.remove = otx2_sso_remove,
+};
+
+int
+otx2_sso_init(struct rte_eventdev *event_dev)
+{
+	RTE_SET_USED(event_dev);
+	/* For secondary processes, the primary has done all the work */
+	if (rte_eal_process_type() != RTE_PROC_PRIMARY)
+		return 0;
+
+	return 0;
+}
+
+int
+otx2_sso_fini(struct rte_eventdev *event_dev)
+{
+	RTE_SET_USED(event_dev);
+	/* For secondary processes, nothing to be done */
+	if (rte_eal_process_type() != RTE_PROC_PRIMARY)
+		return 0;
+
+	return 0;
+}
+
+RTE_PMD_REGISTER_PCI(event_octeontx2, pci_sso);
+RTE_PMD_REGISTER_PCI_TABLE(event_octeontx2, pci_sso_map);
+RTE_PMD_REGISTER_KMOD_DEP(event_octeontx2, "vfio-pci");
diff --git a/drivers/event/octeontx2/otx2_evdev.h b/drivers/event/octeontx2/otx2_evdev.h
new file mode 100644
index 000000000..1df233293
--- /dev/null
+++ b/drivers/event/octeontx2/otx2_evdev.h
@@ -0,0 +1,26 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(C) 2019 Marvell International Ltd.
+ */
+
+#ifndef __OTX2_EVDEV_H__
+#define __OTX2_EVDEV_H__
+
+#include <rte_eventdev.h>
+
+#include "otx2_common.h"
+
+#define EVENTDEV_NAME_OCTEONTX2_PMD otx2_eventdev
+
+#define sso_func_trace otx2_sso_dbg
+
+#define OTX2_SSO_MAX_VHGRP                  RTE_EVENT_MAX_QUEUES_PER_DEV
+#define OTX2_SSO_MAX_VHWS                   (UINT8_MAX)
+
+struct otx2_sso_evdev {
+};
+
+/* Init and Fini API's */
+int otx2_sso_init(struct rte_eventdev *event_dev);
+int otx2_sso_fini(struct rte_eventdev *event_dev);
+
+#endif /* __OTX2_EVDEV_H__ */
diff --git a/drivers/event/octeontx2/rte_pmd_octeontx2_event_version.map b/drivers/event/octeontx2/rte_pmd_octeontx2_event_version.map
new file mode 100644
index 000000000..26a69c2c9
--- /dev/null
+++ b/drivers/event/octeontx2/rte_pmd_octeontx2_event_version.map
@@ -0,0 +1,4 @@
+DPDK_19.05 {
+	local: *;
+};
+
diff --git a/mk/rte.app.mk b/mk/rte.app.mk
index cd89ccfd5..8f39f7342 100644
--- a/mk/rte.app.mk
+++ b/mk/rte.app.mk
@@ -127,6 +127,7 @@ _LDLIBS-$(CONFIG_RTE_LIBRTE_COMMON_DPAAX)   += -lrte_common_dpaax
 endif
 
 OCTEONTX2-y := $(CONFIG_RTE_LIBRTE_OCTEONTX2_MEMPOOL)
+OCTEONTX2-y += $(CONFIG_RTE_LIBRTE_PMD_OCTEONTX2_EVENTDEV)
 ifeq ($(findstring y,$(OCTEONTX2-y)),y)
 _LDLIBS-y += -lrte_common_octeontx2
 endif
@@ -296,6 +297,7 @@ endif # CONFIG_RTE_LIBRTE_FSLMC_BUS
 _LDLIBS-$(CONFIG_RTE_LIBRTE_OCTEONTX_MEMPOOL) += -lrte_mempool_octeontx
 _LDLIBS-$(CONFIG_RTE_LIBRTE_OCTEONTX_PMD) += -lrte_pmd_octeontx
 _LDLIBS-$(CONFIG_RTE_LIBRTE_PMD_OPDL_EVENTDEV) += -lrte_pmd_opdl_event
+_LDLIBS-$(CONFIG_RTE_LIBRTE_PMD_OCTEONTX2_EVENTDEV) += -lrte_pmd_octeontx2_event
 endif # CONFIG_RTE_LIBRTE_EVENTDEV
 
 ifeq ($(CONFIG_RTE_LIBRTE_RAWDEV),y)
-- 
2.21.0