From: Rosen Xu Date: Fri, 11 May 2018 08:31:31 +0000 (+0800) Subject: raw/ifpga: add Intel FPGA bus rawdev driver X-Git-Url: http://git.droids-corp.org/?a=commitdiff_plain;h=ef1e8ede3da59e914f48b6b5bf8475bcfb60f0d7;p=dpdk.git raw/ifpga: add Intel FPGA bus rawdev driver Add Intel FPGA BUS Rawdev Driver which is based on librte_rawdev library. Signed-off-by: Rosen Xu Signed-off-by: Yanglong Wu Signed-off-by: Tianfei Zhang Acked-by: Shreyansh Jain Reviewed-by: Qi Zhang --- diff --git a/MAINTAINERS b/MAINTAINERS index eba6bf7599..93e344b320 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -881,8 +881,10 @@ Rawdev Drivers -------------- Intel FPGA +M: Rosen Xu M: Tianfei zhang F: drivers/raw/ifpga_rawdev/ +F: doc/guides/rawdevs/ifpga_rawdev.rst NXP DPAA2 QDMA M: Nipun Gupta diff --git a/config/common_base b/config/common_base index 49704ad8da..452e800e74 100644 --- a/config/common_base +++ b/config/common_base @@ -649,6 +649,11 @@ CONFIG_RTE_LIBRTE_PMD_DPAA2_CMDIF_RAWDEV=n # CONFIG_RTE_LIBRTE_PMD_DPAA2_QDMA_RAWDEV=n +# +# Compile PMD for Intel FPGA raw device +# +CONFIG_RTE_LIBRTE_PMD_IFPGA_RAWDEV=y + # # Compile librte_ring # diff --git a/doc/guides/rawdevs/ifpga_rawdev.rst b/doc/guides/rawdevs/ifpga_rawdev.rst new file mode 100644 index 0000000000..d400db6ed5 --- /dev/null +++ b/doc/guides/rawdevs/ifpga_rawdev.rst @@ -0,0 +1,112 @@ +.. SPDX-License-Identifier: BSD-3-Clause + Copyright(c) 2018 Intel Corporation. + +IFPGA Rawdev Driver +====================== + +FPGA is used more and more widely in Cloud and NFV, one primary reason is +that FPGA not only provides ASIC performance but also it's more flexible +than ASIC. + +FPGA uses Partial Reconfigure (PR) Parts of Bit Stream to achieve its +flexibility. That means one FPGA Device Bit Stream is divided into many Parts +of Bit Stream(each Part of Bit Stream is defined as AFU-Accelerated Function +Unit), and each AFU is a hardware acceleration unit which can be dynamically +reloaded respectively. + +By PR (Partial Reconfiguration) AFUs, one FPGA resources can be time-shared by +different users. FPGA hot upgrade and fault tolerance can be provided easily. + +The SW IFPGA Rawdev Driver (**ifpga_rawdev**) provides a Rawdev driver +that utilizes Intel FPGA Software Stack OPAE(Open Programmable Acceleration +Engine) for FPGA management. + +Implementation details +---------------------- + +Each instance of IFPGA Rawdev Driver is probed by Intel FpgaDev. In coordination +with OPAE share code IFPGA Rawdev Driver provides common FPGA management ops +for FPGA operation, OPAE provides all following operations: +- FPGA PR (Partial Reconfiguration) management +- FPGA AFUs Identifying +- FPGA Thermal Management +- FPGA Power Management +- FPGA Performance reporting +- FPGA Remote Debug + +All configuration parameters are taken by vdev_ifpga_cfg driver. Besides +configuration, vdev_ifpga_cfg driver also hot plugs in IFPGA Bus. + +All of the AFUs of one FPGA may share same PCI BDF and AFUs scan depend on +IFPGA Rawdev Driver so IFPGA Bus takes AFU device scan and AFU drivers probe. +All AFU device driver bind to AFU device by its UUID (Universally Unique +Identifier). + +To avoid unnecessary code duplication and ensure maximum performance, +handling of AFU devices is left to different PMDs; all the design as +summarized by the following block diagram:: + + +---------------------------------------------------------------+ + | Application(s) | + +----------------------------.----------------------------------+ + | + | + +----------------------------'----------------------------------+ + | DPDK Framework (APIs) | + +----------|------------|--------.---------------------|--------+ + / \ | + / \ | + +-------'-------+ +-------'-------+ +--------'--------+ + | Eth PMD | | Crypto PMD | | | + +-------.-------+ +-------.-------+ | | + | | | | + | | | | + +-------'-------+ +-------'-------+ | IFPGA | + | Eth AFU Dev | |Crypto AFU Dev | | Rawdev Driver | + +-------.-------+ +-------.-------+ |(OPAE Share Code)| + | | | | + | | Rawdev | | + +-------'------------------'-------+ Ops | | + | IFPGA Bus | -------->| | + +-----------------.----------------+ +--------.--------+ + | | + Hot-plugin -->| | + | | + +-----------------'------------------+ +--------'--------+ + | vdev_ifpga_cfg driver | | Intel FpgaDev | + +------------------------------------+ +-----------------+ + +Build options +------------- + +- ``CONFIG_RTE_LIBRTE_IFPGA_BUS`` (default ``y``) + + Toggle compilation of IFPGA Bus library. + +- ``CONFIG_RTE_LIBRTE_IFPGA_RAWDEV`` (default ``y``) + + Toggle compilation of the ``ifpga_rawdev`` driver. + +Run-time parameters +------------------- + +This driver is invoked automatically in systems added with Intel FPGA, +but PR and IFPGA Bus scan is trigged by command line using +``--vdev 'ifpga_rawdev_cfg`` EAL option. + +The following device parameters are supported: + +- ``ifpga`` [string] + + Provide a specific Intel FPGA device PCI BDF. Can be provided multiple + times for additional instances. + +- ``port`` [int] + + Each FPGA can provide many channels to PR AFU by software, each channels + is identified by this parameter. + +- ``afu_bts`` [string] + + If null, the AFU Bit Stream has been PR in FPGA, if not forces PR and + identifies AFU Bit Stream file. diff --git a/doc/guides/rawdevs/index.rst b/doc/guides/rawdevs/index.rst index 7769083559..7c3bd95861 100644 --- a/doc/guides/rawdevs/index.rst +++ b/doc/guides/rawdevs/index.rst @@ -13,3 +13,4 @@ application through rawdev API. dpaa2_cmdif dpaa2_qdma + ifpga_rawdev diff --git a/doc/guides/rel_notes/release_18_05.rst b/doc/guides/rel_notes/release_18_05.rst index 7eb87f811f..f0df4e0bde 100644 --- a/doc/guides/rel_notes/release_18_05.rst +++ b/doc/guides/rel_notes/release_18_05.rst @@ -177,6 +177,14 @@ New Features the DPDK framework. It provides Intel FPGA Partial Bit Stream AFU (Accelerated Function Unit) scan and drivers probe. +* **Added IFPGA (Intel FPGA) Rawdev Driver.** + + Added a new Rawdev driver called IFPGA(Intel FPGA) Rawdev Driver, which cooperates + with OPAE (Open Programmable Acceleration Engine) share code provides common FPGA + management ops for FPGA operation. + + See the :doc:`../rawdevs/ifpga_rawdev` programmer's guide for more details. + * **Added DPAA2 QDMA Driver (in rawdev).** The DPAA2 QDMA is an implementation of the rawdev API, that provide means diff --git a/drivers/raw/Makefile b/drivers/raw/Makefile index 2eb27871d4..8e29b4a561 100644 --- a/drivers/raw/Makefile +++ b/drivers/raw/Makefile @@ -9,5 +9,6 @@ ifeq ($(CONFIG_RTE_EAL_VFIO)$(CONFIG_RTE_LIBRTE_FSLMC_BUS),yy) DIRS-$(CONFIG_RTE_LIBRTE_PMD_DPAA2_CMDIF_RAWDEV) += dpaa2_cmdif DIRS-$(CONFIG_RTE_LIBRTE_PMD_DPAA2_QDMA_RAWDEV) += dpaa2_qdma endif +DIRS-$(CONFIG_RTE_LIBRTE_PMD_IFPGA_RAWDEV) += ifpga_rawdev include $(RTE_SDK)/mk/rte.subdir.mk diff --git a/drivers/raw/ifpga_rawdev/Makefile b/drivers/raw/ifpga_rawdev/Makefile new file mode 100644 index 0000000000..f3b9d5e611 --- /dev/null +++ b/drivers/raw/ifpga_rawdev/Makefile @@ -0,0 +1,36 @@ +# SPDX-License-Identifier: BSD-3-Clause +# Copyright(c) 2018 Intel Corporation + +include $(RTE_SDK)/mk/rte.vars.mk + +# +# library name +# +LIB = librte_pmd_ifpga_rawdev.a + +CFLAGS += -DALLOW_EXPERIMENTAL_API +CFLAGS += -O3 +CFLAGS += $(WERROR_FLAGS) +CFLAGS += -I$(RTE_SDK)/drivers/bus/ifpga +CFLAGS += -I$(RTE_SDK)/drivers/raw/ifpga_rawdev +LDLIBS += -lrte_eal +LDLIBS += -lrte_rawdev +LDLIBS += -lrte_bus_vdev +LDLIBS += -lrte_kvargs +LDLIBS += -lrte_bus_pci +LDLIBS += -lrte_bus_ifpga + +EXPORT_MAP := rte_pmd_ifpga_rawdev_version.map + +LIBABIVER := 1 + +VPATH += $(SRCDIR)/base + +include $(RTE_SDK)/drivers/raw/ifpga_rawdev/base/Makefile + +# +# all source are stored in SRCS-y +# +SRCS-$(CONFIG_RTE_LIBRTE_PMD_IFPGA_RAWDEV) += ifpga_rawdev.c + +include $(RTE_SDK)/mk/rte.lib.mk diff --git a/drivers/raw/ifpga_rawdev/ifpga_rawdev.c b/drivers/raw/ifpga_rawdev/ifpga_rawdev.c new file mode 100644 index 0000000000..030ed1b64a --- /dev/null +++ b/drivers/raw/ifpga_rawdev/ifpga_rawdev.c @@ -0,0 +1,619 @@ +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2010-2018 Intel Corporation + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include +#include +#include +#include + +#include "base/opae_hw_api.h" +#include "rte_rawdev.h" +#include "rte_rawdev_pmd.h" +#include "rte_bus_ifpga.h" +#include "ifpga_common.h" +#include "ifpga_logs.h" +#include "ifpga_rawdev.h" + +int ifpga_rawdev_logtype; + +#define PCI_VENDOR_ID_INTEL 0x8086 +/* PCI Device ID */ +#define PCIE_DEVICE_ID_PF_INT_5_X 0xBCBD +#define PCIE_DEVICE_ID_PF_INT_6_X 0xBCC0 +#define PCIE_DEVICE_ID_PF_DSC_1_X 0x09C4 +/* VF Device */ +#define PCIE_DEVICE_ID_VF_INT_5_X 0xBCBF +#define PCIE_DEVICE_ID_VF_INT_6_X 0xBCC1 +#define PCIE_DEVICE_ID_VF_DSC_1_X 0x09C5 +#define RTE_MAX_RAW_DEVICE 10 + +static const struct rte_pci_id pci_ifpga_map[] = { + { RTE_PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCIE_DEVICE_ID_PF_INT_5_X) }, + { RTE_PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCIE_DEVICE_ID_VF_INT_5_X) }, + { RTE_PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCIE_DEVICE_ID_PF_INT_6_X) }, + { RTE_PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCIE_DEVICE_ID_VF_INT_6_X) }, + { RTE_PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCIE_DEVICE_ID_PF_DSC_1_X) }, + { RTE_PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCIE_DEVICE_ID_VF_DSC_1_X) }, + { .vendor_id = 0, /* sentinel */ }, +}; + +static int +ifpga_fill_afu_dev(struct opae_accelerator *acc, + struct rte_afu_device *afu_dev) +{ + struct rte_mem_resource *res = afu_dev->mem_resource; + struct opae_acc_region_info region_info; + struct opae_acc_info info; + unsigned long i; + int ret; + + ret = opae_acc_get_info(acc, &info); + if (ret) + return ret; + + if (info.num_regions > PCI_MAX_RESOURCE) + return -EFAULT; + + afu_dev->num_region = info.num_regions; + + for (i = 0; i < info.num_regions; i++) { + region_info.index = i; + ret = opae_acc_get_region_info(acc, ®ion_info); + if (ret) + return ret; + + if ((region_info.flags & ACC_REGION_MMIO) && + (region_info.flags & ACC_REGION_READ) && + (region_info.flags & ACC_REGION_WRITE)) { + res[i].phys_addr = region_info.phys_addr; + res[i].len = region_info.len; + res[i].addr = region_info.addr; + } else + return -EFAULT; + } + + return 0; +} + +static void +ifpga_rawdev_info_get(struct rte_rawdev *dev, + rte_rawdev_obj_t dev_info) +{ + struct opae_adapter *adapter; + struct opae_accelerator *acc; + struct rte_afu_device *afu_dev; + + IFPGA_RAWDEV_PMD_FUNC_TRACE(); + + if (!dev_info) { + IFPGA_RAWDEV_PMD_ERR("Invalid request"); + return; + } + + adapter = ifpga_rawdev_get_priv(dev); + if (!adapter) + return; + + afu_dev = dev_info; + afu_dev->rawdev = dev; + + /* find opae_accelerator and fill info into afu_device */ + opae_adapter_for_each_acc(adapter, acc) { + if (acc->index != afu_dev->id.port) + continue; + + if (ifpga_fill_afu_dev(acc, afu_dev)) { + IFPGA_RAWDEV_PMD_ERR("cannot get info\n"); + return; + } + } +} + +static int +ifpga_rawdev_configure(const struct rte_rawdev *dev, + rte_rawdev_obj_t config) +{ + IFPGA_RAWDEV_PMD_FUNC_TRACE(); + + RTE_FUNC_PTR_OR_ERR_RET(dev, -EINVAL); + + return config ? 0 : 1; +} + +static int +ifpga_rawdev_start(struct rte_rawdev *dev) +{ + int ret = 0; + struct opae_adapter *adapter; + + IFPGA_RAWDEV_PMD_FUNC_TRACE(); + + RTE_FUNC_PTR_OR_ERR_RET(dev, -EINVAL); + + adapter = ifpga_rawdev_get_priv(dev); + if (!adapter) + return -ENODEV; + + return ret; +} + +static void +ifpga_rawdev_stop(struct rte_rawdev *dev) +{ + dev->started = 0; +} + +static int +ifpga_rawdev_close(struct rte_rawdev *dev) +{ + return dev ? 0:1; +} + +static int +ifpga_rawdev_reset(struct rte_rawdev *dev) +{ + return dev ? 0:1; +} + +static int +fpga_pr(struct rte_rawdev *raw_dev, u32 port_id, u64 *buffer, u32 size, + u64 *status) +{ + + struct opae_adapter *adapter; + struct opae_manager *mgr; + struct opae_accelerator *acc; + struct opae_bridge *br; + int ret; + + adapter = ifpga_rawdev_get_priv(raw_dev); + if (!adapter) + return -ENODEV; + + mgr = opae_adapter_get_mgr(adapter); + if (!mgr) + return -ENODEV; + + acc = opae_adapter_get_acc(adapter, port_id); + if (!acc) + return -ENODEV; + + br = opae_acc_get_br(acc); + if (!br) + return -ENODEV; + + ret = opae_manager_flash(mgr, port_id, buffer, size, status); + if (ret) { + IFPGA_RAWDEV_PMD_ERR("%s pr error %d\n", __func__, ret); + return ret; + } + + ret = opae_bridge_reset(br); + if (ret) { + IFPGA_RAWDEV_PMD_ERR("%s reset port:%d error %d\n", + __func__, port_id, ret); + return ret; + } + + return ret; +} + +static int +rte_fpga_do_pr(struct rte_rawdev *rawdev, int port_id, + const char *file_name) +{ + struct stat file_stat; + int file_fd; + int ret = 0; + ssize_t buffer_size; + void *buffer; + u64 pr_error; + + if (!file_name) + return -EINVAL; + + file_fd = open(file_name, O_RDONLY); + if (file_fd < 0) { + IFPGA_RAWDEV_PMD_ERR("%s: open file error: %s\n", + __func__, file_name); + IFPGA_RAWDEV_PMD_ERR("Message : %s\n", strerror(errno)); + return -EINVAL; + } + ret = stat(file_name, &file_stat); + if (ret) { + IFPGA_RAWDEV_PMD_ERR("stat on bitstream file failed: %s\n", + file_name); + return -EINVAL; + } + buffer_size = file_stat.st_size; + IFPGA_RAWDEV_PMD_INFO("bitstream file size: %zu\n", buffer_size); + buffer = rte_malloc(NULL, buffer_size, 0); + if (!buffer) { + ret = -ENOMEM; + goto close_fd; + } + + /*read the raw data*/ + if (buffer_size != read(file_fd, (void *)buffer, buffer_size)) { + ret = -EINVAL; + goto free_buffer; + } + + /*do PR now*/ + ret = fpga_pr(rawdev, port_id, buffer, buffer_size, &pr_error); + IFPGA_RAWDEV_PMD_INFO("downloading to device port %d....%s.\n", port_id, + ret ? "failed" : "success"); + if (ret) { + ret = -EINVAL; + goto free_buffer; + } + +free_buffer: + if (buffer) + rte_free(buffer); +close_fd: + close(file_fd); + file_fd = 0; + return ret; +} + +static int +ifpga_rawdev_pr(struct rte_rawdev *dev, + rte_rawdev_obj_t pr_conf) +{ + struct opae_adapter *adapter; + struct rte_afu_pr_conf *afu_pr_conf; + int ret; + struct uuid uuid; + struct opae_accelerator *acc; + + IFPGA_RAWDEV_PMD_FUNC_TRACE(); + + adapter = ifpga_rawdev_get_priv(dev); + if (!adapter) + return -ENODEV; + + if (!pr_conf) + return -EINVAL; + + afu_pr_conf = pr_conf; + + if (afu_pr_conf->pr_enable) { + ret = rte_fpga_do_pr(dev, + afu_pr_conf->afu_id.port, + afu_pr_conf->bs_path); + if (ret) { + IFPGA_RAWDEV_PMD_ERR("do pr error %d\n", ret); + return ret; + } + } + + acc = opae_adapter_get_acc(adapter, afu_pr_conf->afu_id.port); + if (!acc) + return -ENODEV; + + ret = opae_acc_get_uuid(acc, &uuid); + if (ret) + return ret; + + memcpy(&afu_pr_conf->afu_id.uuid.uuid_low, uuid.b, sizeof(u64)); + memcpy(&afu_pr_conf->afu_id.uuid.uuid_high, uuid.b + 8, sizeof(u64)); + + IFPGA_RAWDEV_PMD_INFO("%s: uuid_l=0x%lx, uuid_h=0x%lx\n", __func__, + (unsigned long)afu_pr_conf->afu_id.uuid.uuid_low, + (unsigned long)afu_pr_conf->afu_id.uuid.uuid_high); + + return 0; +} + +static const struct rte_rawdev_ops ifpga_rawdev_ops = { + .dev_info_get = ifpga_rawdev_info_get, + .dev_configure = ifpga_rawdev_configure, + .dev_start = ifpga_rawdev_start, + .dev_stop = ifpga_rawdev_stop, + .dev_close = ifpga_rawdev_close, + .dev_reset = ifpga_rawdev_reset, + + .queue_def_conf = NULL, + .queue_setup = NULL, + .queue_release = NULL, + + .attr_get = NULL, + .attr_set = NULL, + + .enqueue_bufs = NULL, + .dequeue_bufs = NULL, + + .dump = NULL, + + .xstats_get = NULL, + .xstats_get_names = NULL, + .xstats_get_by_name = NULL, + .xstats_reset = NULL, + + .firmware_status_get = NULL, + .firmware_version_get = NULL, + .firmware_load = ifpga_rawdev_pr, + .firmware_unload = NULL, + + .dev_selftest = NULL, +}; + +static int +ifpga_rawdev_create(struct rte_pci_device *pci_dev, + int socket_id) +{ + int ret = 0; + struct rte_rawdev *rawdev = NULL; + struct opae_adapter *adapter = NULL; + struct opae_manager *mgr = NULL; + struct opae_adapter_data_pci *data = NULL; + char name[RTE_RAWDEV_NAME_MAX_LEN]; + int i; + + if (!pci_dev) { + IFPGA_RAWDEV_PMD_ERR("Invalid pci_dev of the device!"); + ret = -EINVAL; + goto cleanup; + } + + memset(name, 0, sizeof(name)); + snprintf(name, RTE_RAWDEV_NAME_MAX_LEN, "IFPGA:%x:%02x.%x", + pci_dev->addr.bus, pci_dev->addr.devid, pci_dev->addr.function); + + IFPGA_RAWDEV_PMD_INFO("Init %s on NUMA node %d", name, rte_socket_id()); + + /* Allocate device structure */ + rawdev = rte_rawdev_pmd_allocate(name, sizeof(struct opae_adapter), + socket_id); + if (rawdev == NULL) { + IFPGA_RAWDEV_PMD_ERR("Unable to allocate rawdevice"); + ret = -EINVAL; + goto cleanup; + } + + /* alloc OPAE_FPGA_PCI data to register to OPAE hardware level API */ + data = opae_adapter_data_alloc(OPAE_FPGA_PCI); + if (!data) { + ret = -ENOMEM; + goto cleanup; + } + + /* init opae_adapter_data_pci for device specific information */ + for (i = 0; i < PCI_MAX_RESOURCE; i++) { + data->region[i].phys_addr = pci_dev->mem_resource[i].phys_addr; + data->region[i].len = pci_dev->mem_resource[i].len; + data->region[i].addr = pci_dev->mem_resource[i].addr; + } + data->device_id = pci_dev->id.device_id; + data->vendor_id = pci_dev->id.vendor_id; + + /* create a opae_adapter based on above device data */ + adapter = opae_adapter_alloc(pci_dev->device.name, data); + if (!adapter) { + ret = -ENOMEM; + goto free_adapter_data; + } + + rawdev->dev_ops = &ifpga_rawdev_ops; + rawdev->device = &pci_dev->device; + rawdev->driver_name = pci_dev->device.driver->name; + + rawdev->dev_private = adapter; + + /* must enumerate the adapter before use it */ + ret = opae_adapter_enumerate(adapter); + if (ret) + goto free_adapter; + + /* get opae_manager to rawdev */ + mgr = opae_adapter_get_mgr(adapter); + if (mgr) { + /* PF function */ + IFPGA_RAWDEV_PMD_INFO("this is a PF function"); + } + + return ret; + +free_adapter: + if (adapter) + opae_adapter_free(adapter); +free_adapter_data: + if (data) + opae_adapter_data_free(data); +cleanup: + if (rawdev) + rte_rawdev_pmd_release(rawdev); + + return ret; +} + +static int +ifpga_rawdev_destroy(struct rte_pci_device *pci_dev) +{ + int ret; + struct rte_rawdev *rawdev; + char name[RTE_RAWDEV_NAME_MAX_LEN]; + struct opae_adapter *adapter; + + if (!pci_dev) { + IFPGA_RAWDEV_PMD_ERR("Invalid pci_dev of the device!"); + ret = -EINVAL; + return ret; + } + + memset(name, 0, sizeof(name)); + snprintf(name, RTE_RAWDEV_NAME_MAX_LEN, "IFPGA:%x:%02x.%x", + pci_dev->addr.bus, pci_dev->addr.devid, pci_dev->addr.function); + + IFPGA_RAWDEV_PMD_INFO("Closing %s on NUMA node %d", + name, rte_socket_id()); + + rawdev = rte_rawdev_pmd_get_named_dev(name); + if (!rawdev) { + IFPGA_RAWDEV_PMD_ERR("Invalid device name (%s)", name); + return -EINVAL; + } + + adapter = ifpga_rawdev_get_priv(rawdev); + if (!adapter) + return -ENODEV; + + opae_adapter_data_free(adapter->data); + opae_adapter_free(adapter); + + /* rte_rawdev_close is called by pmd_release */ + ret = rte_rawdev_pmd_release(rawdev); + if (ret) + IFPGA_RAWDEV_PMD_DEBUG("Device cleanup failed"); + + return ret; +} + +static int +ifpga_rawdev_pci_probe(struct rte_pci_driver *pci_drv __rte_unused, + struct rte_pci_device *pci_dev) +{ + + IFPGA_RAWDEV_PMD_FUNC_TRACE(); + return ifpga_rawdev_create(pci_dev, rte_socket_id()); +} + +static int +ifpga_rawdev_pci_remove(struct rte_pci_device *pci_dev) +{ + return ifpga_rawdev_destroy(pci_dev); +} + +static struct rte_pci_driver rte_ifpga_rawdev_pmd = { + .id_table = pci_ifpga_map, + .drv_flags = RTE_PCI_DRV_NEED_MAPPING, + .probe = ifpga_rawdev_pci_probe, + .remove = ifpga_rawdev_pci_remove, +}; + +RTE_PMD_REGISTER_PCI(ifpga_rawdev_pci_driver, rte_ifpga_rawdev_pmd); +RTE_PMD_REGISTER_PCI_TABLE(ifpga_rawdev_pci_driver, rte_ifpga_rawdev_pmd); +RTE_PMD_REGISTER_KMOD_DEP(ifpga_rawdev_pci_driver, "* igb_uio | uio_pci_generic | vfio-pci"); + +RTE_INIT(ifpga_rawdev_init_log); +static void +ifpga_rawdev_init_log(void) +{ + ifpga_rawdev_logtype = rte_log_register("driver.raw.init"); + if (ifpga_rawdev_logtype >= 0) + rte_log_set_level(ifpga_rawdev_logtype, RTE_LOG_NOTICE); +} + +static const char * const valid_args[] = { +#define IFPGA_ARG_NAME "ifpga" + IFPGA_ARG_NAME, +#define IFPGA_ARG_PORT "port" + IFPGA_ARG_PORT, +#define IFPGA_AFU_BTS "afu_bts" + IFPGA_AFU_BTS, + NULL +}; + +static int +ifpga_cfg_probe(struct rte_vdev_device *dev) +{ + struct rte_devargs *devargs; + struct rte_kvargs *kvlist = NULL; + int port; + char *name = NULL; + char dev_name[RTE_RAWDEV_NAME_MAX_LEN]; + + devargs = dev->device.devargs; + + kvlist = rte_kvargs_parse(devargs->args, valid_args); + if (!kvlist) { + IFPGA_RAWDEV_PMD_LOG(ERR, "error when parsing param"); + goto end; + } + + if (rte_kvargs_count(kvlist, IFPGA_ARG_NAME) == 1) { + if (rte_kvargs_process(kvlist, IFPGA_ARG_NAME, + &rte_ifpga_get_string_arg, &name) < 0) { + IFPGA_RAWDEV_PMD_ERR("error to parse %s", + IFPGA_ARG_NAME); + goto end; + } + } else { + IFPGA_RAWDEV_PMD_ERR("arg %s is mandatory for ifpga bus", + IFPGA_ARG_NAME); + goto end; + } + + if (rte_kvargs_count(kvlist, IFPGA_ARG_PORT) == 1) { + if (rte_kvargs_process(kvlist, + IFPGA_ARG_PORT, + &rte_ifpga_get_integer32_arg, + &port) < 0) { + IFPGA_RAWDEV_PMD_ERR("error to parse %s", + IFPGA_ARG_PORT); + goto end; + } + } else { + IFPGA_RAWDEV_PMD_ERR("arg %s is mandatory for ifpga bus", + IFPGA_ARG_PORT); + goto end; + } + + memset(dev_name, 0, sizeof(dev_name)); + snprintf(dev_name, RTE_RAWDEV_NAME_MAX_LEN, "%d|%s", + port, name); + + rte_eal_hotplug_add(RTE_STR(IFPGA_BUS_NAME), + dev_name, devargs->args); +end: + if (kvlist) + rte_kvargs_free(kvlist); + if (name) + free(name); + + return 0; +} + +static int +ifpga_cfg_remove(struct rte_vdev_device *vdev) +{ + IFPGA_RAWDEV_PMD_INFO("Remove ifpga_cfg %p", + vdev); + + return 0; +} + +static struct rte_vdev_driver ifpga_cfg_driver = { + .probe = ifpga_cfg_probe, + .remove = ifpga_cfg_remove, +}; + +RTE_PMD_REGISTER_VDEV(ifpga_rawdev_cfg, ifpga_cfg_driver); +RTE_PMD_REGISTER_ALIAS(ifpga_rawdev_cfg, ifpga_cfg); +RTE_PMD_REGISTER_PARAM_STRING(ifpga_rawdev_cfg, + "ifpga= " + "port= " + "afu_bts="); + diff --git a/drivers/raw/ifpga_rawdev/ifpga_rawdev.h b/drivers/raw/ifpga_rawdev/ifpga_rawdev.h new file mode 100644 index 0000000000..c7759b8bd2 --- /dev/null +++ b/drivers/raw/ifpga_rawdev/ifpga_rawdev.h @@ -0,0 +1,37 @@ +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2010-2018 Intel Corporation + */ + +#ifndef _IFPGA_RAWDEV_H_ +#define _IFPGA_RAWDEV_H_ + +extern int ifpga_rawdev_logtype; + +#define IFPGA_RAWDEV_PMD_LOG(level, fmt, args...) \ + rte_log(RTE_LOG_ ## level, ifpga_rawdev_logtype, "ifgpa: " fmt, \ + ##args) + +#define IFPGA_RAWDEV_PMD_FUNC_TRACE() IFPGA_RAWDEV_PMD_LOG(DEBUG, ">>") + +#define IFPGA_RAWDEV_PMD_DEBUG(fmt, args...) \ + IFPGA_RAWDEV_PMD_LOG(DEBUG, fmt, ## args) +#define IFPGA_RAWDEV_PMD_INFO(fmt, args...) \ + IFPGA_RAWDEV_PMD_LOG(INFO, fmt, ## args) +#define IFPGA_RAWDEV_PMD_ERR(fmt, args...) \ + IFPGA_RAWDEV_PMD_LOG(ERR, fmt, ## args) +#define IFPGA_RAWDEV_PMD_WARN(fmt, args...) \ + IFPGA_RAWDEV_PMD_LOG(WARNING, fmt, ## args) + +enum ifpga_rawdev_device_state { + IFPGA_IDLE, + IFPGA_READY, + IFPGA_ERROR +}; + +static inline struct opae_adapter * +ifpga_rawdev_get_priv(const struct rte_rawdev *rawdev) +{ + return rawdev->dev_private; +} + +#endif /* _IFPGA_RAWDEV_H_ */ diff --git a/drivers/raw/ifpga_rawdev/meson.build b/drivers/raw/ifpga_rawdev/meson.build new file mode 100644 index 0000000000..67256872dc --- /dev/null +++ b/drivers/raw/ifpga_rawdev/meson.build @@ -0,0 +1,15 @@ +# SPDX-License-Identifier: BSD-3-Clause +# Copyright(c) 2018 Intel Corporation + +version = 1 + +subdir('base') +objs = [base_objs] + +deps += ['rawdev', 'pci', 'bus_pci', 'kvargs', + 'bus_vdev', 'bus_ifpga'] +sources = files('ifpga_rawdev.c') + +includes += include_directories('base') + +allow_experimental_apis = true diff --git a/drivers/raw/ifpga_rawdev/rte_pmd_ifpga_rawdev_version.map b/drivers/raw/ifpga_rawdev/rte_pmd_ifpga_rawdev_version.map new file mode 100644 index 0000000000..9b9ab1a4cf --- /dev/null +++ b/drivers/raw/ifpga_rawdev/rte_pmd_ifpga_rawdev_version.map @@ -0,0 +1,4 @@ +DPDK_18.05 { + + local: *; +}; diff --git a/drivers/raw/meson.build b/drivers/raw/meson.build index 34dfac4824..a61cdccef4 100644 --- a/drivers/raw/meson.build +++ b/drivers/raw/meson.build @@ -1,7 +1,7 @@ # SPDX-License-Identifier: BSD-3-Clause # Copyright 2018 NXP -drivers = ['skeleton_rawdev', 'dpaa2_cmdif', 'dpaa2_qdma'] +drivers = ['skeleton_rawdev', 'dpaa2_cmdif', 'dpaa2_qdma', 'ifpga_rawdev'] std_deps = ['rawdev'] config_flag_fmt = 'RTE_LIBRTE_PMD_@0@_RAWDEV' driver_name_fmt = 'rte_pmd_@0@' diff --git a/mk/rte.app.mk b/mk/rte.app.mk index 290fdf2b43..9511f20e9c 100644 --- a/mk/rte.app.mk +++ b/mk/rte.app.mk @@ -262,9 +262,11 @@ _LDLIBS-$(CONFIG_RTE_LIBRTE_PMD_DPAA2_CMDIF_RAWDEV) += -lrte_pmd_dpaa2_cmdif _LDLIBS-$(CONFIG_RTE_LIBRTE_PMD_DPAA2_QDMA_RAWDEV) += -lrte_pmd_dpaa2_qdma endif # CONFIG_RTE_LIBRTE_FSLMC_BUS _LDLIBS-$(CONFIG_RTE_LIBRTE_IFPGA_BUS) += -lrte_bus_ifpga +ifeq ($(CONFIG_RTE_LIBRTE_IFPGA_BUS),y) +_LDLIBS-$(CONFIG_RTE_LIBRTE_PMD_IFPGA_RAWDEV) += -lrte_pmd_ifpga_rawdev +endif # CONFIG_RTE_LIBRTE_IFPGA_BUS endif # CONFIG_RTE_LIBRTE_RAWDEV - endif # !CONFIG_RTE_BUILD_SHARED_LIBS _LDLIBS-y += --no-whole-archive