From: Mahipal Challa Date: Mon, 13 Jan 2020 06:00:36 +0000 (+0530) Subject: raw/octeontx2_ep: add build infra and device probe X-Git-Url: http://git.droids-corp.org/?a=commitdiff_plain;h=56d46d13f736;p=dpdk.git raw/octeontx2_ep: add build infra and device probe Add the OCTEON TX2 SDP EP device probe along with the build infrastructure for Make and meson builds. Signed-off-by: Mahipal Challa Reviewed-by: Gavin Hu --- diff --git a/MAINTAINERS b/MAINTAINERS index 8eda5f8115..8916ef9626 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -1180,6 +1180,11 @@ M: Vamsi Attunuru F: drivers/raw/octeontx2_dma/ F: doc/guides/rawdevs/octeontx2_dma.rst +Marvell OCTEON TX2 EP +M: Mahipal Challa +F: drivers/raw/octeontx2_ep/ +F: doc/guides/rawdevs/octeontx2_ep.rst + NTB M: Xiaoyun Li M: Jingjing Wu diff --git a/config/common_base b/config/common_base index 2da4c63496..e09788eb64 100644 --- a/config/common_base +++ b/config/common_base @@ -799,6 +799,11 @@ CONFIG_RTE_LIBRTE_PMD_IOAT_RAWDEV=y # CONFIG_RTE_LIBRTE_PMD_OCTEONTX2_DMA_RAWDEV=y +# +# Compile PMD for octeontx2 EP raw device +# +CONFIG_RTE_LIBRTE_PMD_OCTEONTX2_EP_RAWDEV=y + # # Compile PMD for NTB raw device # diff --git a/doc/guides/rawdevs/index.rst b/doc/guides/rawdevs/index.rst index 22bc013ced..f64ec44271 100644 --- a/doc/guides/rawdevs/index.rst +++ b/doc/guides/rawdevs/index.rst @@ -17,3 +17,4 @@ application through rawdev API. ioat ntb octeontx2_dma + octeontx2_ep diff --git a/doc/guides/rawdevs/octeontx2_ep.rst b/doc/guides/rawdevs/octeontx2_ep.rst new file mode 100644 index 0000000000..5f5ed01a9a --- /dev/null +++ b/doc/guides/rawdevs/octeontx2_ep.rst @@ -0,0 +1,41 @@ +.. SPDX-License-Identifier: BSD-3-Clause + Copyright(c) 2019 Marvell International Ltd. + +Marvell OCTEON TX2 End Point Rawdev Driver +========================================== + +OCTEON TX2 has an internal SDP unit which provides End Point mode of operation +by exposing its IOQs to Host, IOQs are used for packet I/O between Host and +OCTEON TX2. Each OCTEON TX2 SDP PF supports a max of 128 VFs and Each VF is +associated with a set of IOQ pairs. + +Features +-------- + +This OCTEON TX2 End Point mode PMD supports + +#. Packet Input - Host to OCTEON TX2 with direct data instruction mode. + +#. Packet Output - OCTEON TX2 to Host with info pointer mode. + +Config File Options +~~~~~~~~~~~~~~~~~~~ + +The following options can be modified in the ``config`` file. + +- ``CONFIG_RTE_LIBRTE_PMD_OCTEONTX2_EP_RAWDEV`` (default ``y``) + + Toggle compilation of the ``lrte_pmd_octeontx2_ep`` driver. + +Initialization +-------------- + +The number of SDP VFs enabled, can be controlled by setting sysfs +entry `sriov_numvfs` for the corresponding PF driver. + +.. code-block:: console + + echo > /sys/bus/pci/drivers/octeontx2-ep/0000\:04\:00.0/sriov_numvfs + +Once the required VFs are enabled, to be accessible from DPDK, VFs need to be +bound to vfio-pci driver. diff --git a/doc/guides/rel_notes/release_20_02.rst b/doc/guides/rel_notes/release_20_02.rst index a7a8288973..a65227eaf1 100644 --- a/doc/guides/rel_notes/release_20_02.rst +++ b/doc/guides/rel_notes/release_20_02.rst @@ -132,6 +132,11 @@ New Features Added Chacha20-Poly1305 AEAD algorithm. +* **Added Marvell OCTEON TX2 End Point rawdev PMD.** + + Added a new OCTEON TX2 rawdev PMD for End Point mode of operation. + See the :doc:`../rawdevs/octeontx2_ep` for more details on this new PMD. + Removed Items ------------- diff --git a/drivers/raw/Makefile b/drivers/raw/Makefile index 0b6d13d038..80b043eb14 100644 --- a/drivers/raw/Makefile +++ b/drivers/raw/Makefile @@ -13,5 +13,6 @@ DIRS-$(CONFIG_RTE_LIBRTE_PMD_IFPGA_RAWDEV) += ifpga DIRS-$(CONFIG_RTE_LIBRTE_PMD_IOAT_RAWDEV) += ioat DIRS-$(CONFIG_RTE_LIBRTE_PMD_NTB_RAWDEV) += ntb DIRS-$(CONFIG_RTE_LIBRTE_PMD_OCTEONTX2_DMA_RAWDEV) += octeontx2_dma +DIRS-$(CONFIG_RTE_LIBRTE_PMD_OCTEONTX2_EP_RAWDEV) += octeontx2_ep include $(RTE_SDK)/mk/rte.subdir.mk diff --git a/drivers/raw/meson.build b/drivers/raw/meson.build index d7037cd87c..bb57977606 100644 --- a/drivers/raw/meson.build +++ b/drivers/raw/meson.build @@ -4,6 +4,7 @@ drivers = ['dpaa2_cmdif', 'dpaa2_qdma', 'ifpga', 'ioat', 'ntb', 'octeontx2_dma', + 'octeontx2_ep', 'skeleton'] std_deps = ['rawdev'] config_flag_fmt = 'RTE_LIBRTE_PMD_@0@_RAWDEV' diff --git a/drivers/raw/octeontx2_ep/Makefile b/drivers/raw/octeontx2_ep/Makefile new file mode 100644 index 0000000000..8cec6bd97e --- /dev/null +++ b/drivers/raw/octeontx2_ep/Makefile @@ -0,0 +1,40 @@ +# SPDX-License-Identifier: BSD-3-Clause +# Copyright(C) 2019 Marvell International Ltd. +# + +include $(RTE_SDK)/mk/rte.vars.mk + +# Library name +LIB = librte_rawdev_octeontx2_ep.a + +# Build flags +CFLAGS += -O3 +CFLAGS += $(WERROR_FLAGS) + +CFLAGS += -I$(RTE_SDK)/drivers/common/octeontx2/ +CFLAGS += -I$(RTE_SDK)/drivers/raw/octeontx2_ep/ + +LDLIBS += -lrte_eal +LDLIBS += -lrte_rawdev +LDLIBS += -lrte_bus_pci +LDLIBS += -lrte_mempool +LDLIBS += -lrte_common_octeontx2 + +ifneq ($(CONFIG_RTE_ARCH_64),y) +CFLAGS += -Wno-int-to-pointer-cast +CFLAGS += -Wno-pointer-to-int-cast +ifeq ($(CONFIG_RTE_TOOLCHAIN_ICC),y) +CFLAGS += -diag-disable 2259 +endif +endif + +EXPORT_MAP := rte_rawdev_octeontx2_ep_version.map + +LIBABIVER := 1 + +# +# All source are stored in SRCS-y +# +SRCS-$(CONFIG_RTE_LIBRTE_PMD_OCTEONTX2_EP_RAWDEV) += otx2_ep_rawdev.c + +include $(RTE_SDK)/mk/rte.lib.mk diff --git a/drivers/raw/octeontx2_ep/meson.build b/drivers/raw/octeontx2_ep/meson.build new file mode 100644 index 0000000000..e5131313d5 --- /dev/null +++ b/drivers/raw/octeontx2_ep/meson.build @@ -0,0 +1,6 @@ +# SPDX-License-Identifier: BSD-3-Clause +# Copyright(C) 2019 Marvell International Ltd. +# + +deps += ['bus_pci', 'common_octeontx2', 'rawdev'] +sources = files('otx2_ep_rawdev.c') diff --git a/drivers/raw/octeontx2_ep/otx2_ep_rawdev.c b/drivers/raw/octeontx2_ep/otx2_ep_rawdev.c new file mode 100644 index 0000000000..04b4fac612 --- /dev/null +++ b/drivers/raw/octeontx2_ep/otx2_ep_rawdev.c @@ -0,0 +1,132 @@ +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(C) 2019 Marvell International Ltd. + */ +#include +#include + +#include +#include +#include +#include +#include +#include + +#include +#include +#include + +#include "otx2_common.h" +#include "otx2_ep_rawdev.h" + +static const struct rte_pci_id pci_sdp_vf_map[] = { + { + RTE_PCI_DEVICE(PCI_VENDOR_ID_CAVIUM, + PCI_DEVID_OCTEONTX2_EP_VF) + }, + { + .vendor_id = 0, + }, +}; + +static int +otx2_sdp_rawdev_probe(struct rte_pci_driver *pci_drv __rte_unused, + struct rte_pci_device *pci_dev) +{ + char name[RTE_RAWDEV_NAME_MAX_LEN]; + struct sdp_device *sdpvf = NULL; + struct rte_rawdev *sdp_rawdev; + uint16_t vf_id; + + /* Single process support */ + if (rte_eal_process_type() != RTE_PROC_PRIMARY) + return 0; + + if (pci_dev->mem_resource[0].addr) + otx2_info("SDP_EP BAR0 is mapped:"); + else { + otx2_err("SDP_EP: Failed to map device BARs"); + otx2_err("BAR0 %p\n BAR2 %p", + pci_dev->mem_resource[0].addr, + pci_dev->mem_resource[2].addr); + return -ENODEV; + } + + memset(name, 0, sizeof(name)); + snprintf(name, RTE_RAWDEV_NAME_MAX_LEN, "SDPEP:%x:%02x.%x", + pci_dev->addr.bus, pci_dev->addr.devid, + pci_dev->addr.function); + + /* Allocate rawdev pmd */ + sdp_rawdev = rte_rawdev_pmd_allocate(name, + sizeof(struct sdp_device), + rte_socket_id()); + + if (sdp_rawdev == NULL) { + otx2_err("SDP_EP VF rawdev allocation failed"); + return -ENOMEM; + } + + sdp_rawdev->device = &pci_dev->device; + sdp_rawdev->driver_name = pci_dev->driver->driver.name; + + sdpvf = (struct sdp_device *)sdp_rawdev->dev_private; + sdpvf->hw_addr = pci_dev->mem_resource[0].addr; + sdpvf->pci_dev = pci_dev; + + /* Discover the VF number being probed */ + vf_id = ((pci_dev->addr.devid & 0x1F) << 3) | + (pci_dev->addr.function & 0x7); + + vf_id -= 1; + sdpvf->vf_num = vf_id; + + otx2_info("SDP_EP VF[%d] probe done", vf_id); + + return 0; +} + +static int +otx2_sdp_rawdev_remove(struct rte_pci_device *pci_dev) +{ + char name[RTE_RAWDEV_NAME_MAX_LEN]; + struct rte_rawdev *rawdev; + struct sdp_device *sdpvf; + + /* Single process support */ + if (rte_eal_process_type() != RTE_PROC_PRIMARY) + return 0; + + if (pci_dev == NULL) { + otx2_err("SDP_EP:invalid pci_dev!"); + return -EINVAL; + } + + + memset(name, 0, sizeof(name)); + snprintf(name, RTE_RAWDEV_NAME_MAX_LEN, "SDPEP:%x:%02x.%x", + pci_dev->addr.bus, pci_dev->addr.devid, + pci_dev->addr.function); + + rawdev = rte_rawdev_pmd_get_named_dev(name); + if (rawdev == NULL) { + otx2_err("SDP_EP: invalid device name (%s)", name); + return -EINVAL; + } + + sdpvf = (struct sdp_device *)rawdev->dev_private; + otx2_info("Removing SDP_EP VF[%d] ", sdpvf->vf_num); + + /* rte_rawdev_close is called by pmd_release */ + return rte_rawdev_pmd_release(rawdev); +} + +static struct rte_pci_driver rte_sdp_rawdev_pmd = { + .id_table = pci_sdp_vf_map, + .drv_flags = (RTE_PCI_DRV_NEED_MAPPING | RTE_PCI_DRV_NEED_IOVA_AS_VA), + .probe = otx2_sdp_rawdev_probe, + .remove = otx2_sdp_rawdev_remove, +}; + +RTE_PMD_REGISTER_PCI(sdp_rawdev_pci_driver, rte_sdp_rawdev_pmd); +RTE_PMD_REGISTER_PCI_TABLE(sdp_rawdev_pci_driver, pci_sdp_vf_map); +RTE_PMD_REGISTER_KMOD_DEP(sdp_rawdev_pci_driver, "vfio-pci"); diff --git a/drivers/raw/octeontx2_ep/otx2_ep_rawdev.h b/drivers/raw/octeontx2_ep/otx2_ep_rawdev.h new file mode 100644 index 0000000000..7ae7a086fa --- /dev/null +++ b/drivers/raw/octeontx2_ep/otx2_ep_rawdev.h @@ -0,0 +1,21 @@ +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(C) 2019 Marvell International Ltd. + */ + +#ifndef _OTX2_EP_RAWDEV_H_ +#define _OTX2_EP_RAWDEV_H_ + +#define PCI_DEVID_OCTEONTX2_EP_VF 0xB203 /* OCTEON TX2 EP mode */ + +/* SDP EP VF device */ +struct sdp_device { + /* PCI device pointer */ + struct rte_pci_device *pci_dev; + uint16_t vf_num; + + /* Memory mapped h/w address */ + uint8_t *hw_addr; + +}; + +#endif /* _OTX2_EP_RAWDEV_H_ */ diff --git a/drivers/raw/octeontx2_ep/rte_rawdev_octeontx2_ep_version.map b/drivers/raw/octeontx2_ep/rte_rawdev_octeontx2_ep_version.map new file mode 100644 index 0000000000..ff357af8ad --- /dev/null +++ b/drivers/raw/octeontx2_ep/rte_rawdev_octeontx2_ep_version.map @@ -0,0 +1,4 @@ +DPDK_20.02 { + + local: *; +}; diff --git a/mk/rte.app.mk b/mk/rte.app.mk index 597d6f6e9a..bba52dd2a5 100644 --- a/mk/rte.app.mk +++ b/mk/rte.app.mk @@ -116,6 +116,7 @@ OCTEONTX2-y := $(CONFIG_RTE_LIBRTE_OCTEONTX2_MEMPOOL) OCTEONTX2-y += $(CONFIG_RTE_LIBRTE_PMD_OCTEONTX2_CRYPTO) OCTEONTX2-y += $(CONFIG_RTE_LIBRTE_PMD_OCTEONTX2_EVENTDEV) OCTEONTX2-y += $(CONFIG_RTE_LIBRTE_PMD_OCTEONTX2_DMA_RAWDEV) +OCTEONTX2-y += $(CONFIG_RTE_LIBRTE_PMD_OCTEONTX2_EP_RAWDEV) OCTEONTX2-y += $(CONFIG_RTE_LIBRTE_OCTEONTX2_PMD) ifeq ($(findstring y,$(OCTEONTX2-y)),y) _LDLIBS-y += -lrte_common_octeontx2 @@ -340,6 +341,7 @@ endif # CONFIG_RTE_LIBRTE_IFPGA_BUS _LDLIBS-$(CONFIG_RTE_LIBRTE_PMD_IOAT_RAWDEV) += -lrte_rawdev_ioat _LDLIBS-$(CONFIG_RTE_LIBRTE_PMD_NTB_RAWDEV) += -lrte_rawdev_ntb _LDLIBS-$(CONFIG_RTE_LIBRTE_PMD_OCTEONTX2_DMA_RAWDEV) += -lrte_rawdev_octeontx2_dma +_LDLIBS-$(CONFIG_RTE_LIBRTE_PMD_OCTEONTX2_EP_RAWDEV) += -lrte_rawdev_octeontx2_ep endif # CONFIG_RTE_LIBRTE_RAWDEV endif # !CONFIG_RTE_BUILD_SHARED_LIBS