diff options
Diffstat (limited to 'drivers/raw/dpaa2_cmdif')
-rw-r--r-- | drivers/raw/dpaa2_cmdif/Makefile | 36 | ||||
-rw-r--r-- | drivers/raw/dpaa2_cmdif/dpaa2_cmdif.c | 300 | ||||
-rw-r--r-- | drivers/raw/dpaa2_cmdif/dpaa2_cmdif_logs.h | 46 | ||||
-rw-r--r-- | drivers/raw/dpaa2_cmdif/meson.build | 9 | ||||
-rw-r--r-- | drivers/raw/dpaa2_cmdif/rte_pmd_dpaa2_cmdif.h | 35 | ||||
-rw-r--r-- | drivers/raw/dpaa2_cmdif/rte_pmd_dpaa2_cmdif_version.map | 4 |
6 files changed, 430 insertions, 0 deletions
diff --git a/drivers/raw/dpaa2_cmdif/Makefile b/drivers/raw/dpaa2_cmdif/Makefile new file mode 100644 index 00000000..9b863dda --- /dev/null +++ b/drivers/raw/dpaa2_cmdif/Makefile @@ -0,0 +1,36 @@ +# SPDX-License-Identifier: BSD-3-Clause +# Copyright 2018 NXP + +include $(RTE_SDK)/mk/rte.vars.mk + +# +# library name +# +LIB = librte_pmd_dpaa2_cmdif.a + +CFLAGS += -DALLOW_EXPERIMENTAL_API +CFLAGS += -O3 +CFLAGS += $(WERROR_FLAGS) + +CFLAGS += -I$(RTE_SDK)/drivers/bus/fslmc +CFLAGS += -I$(RTE_SDK)/drivers/bus/fslmc/qbman/include + +LDLIBS += -lrte_bus_fslmc +LDLIBS += -lrte_bus_vdev +LDLIBS += -lrte_eal +LDLIBS += -lrte_kvargs +LDLIBS += -lrte_mempool_dpaa2 +LDLIBS += -lrte_rawdev + +EXPORT_MAP := rte_pmd_dpaa2_cmdif_version.map + +LIBABIVER := 1 + +# +# all source are stored in SRCS-y +# +SRCS-$(CONFIG_RTE_LIBRTE_PMD_DPAA2_CMDIF_RAWDEV) += dpaa2_cmdif.c + +SYMLINK-$(CONFIG_RTE_LIBRTE_PMD_DPAA2_CMDIF_RAWDEV)-include += rte_pmd_dpaa2_cmdif.h + +include $(RTE_SDK)/mk/rte.lib.mk diff --git a/drivers/raw/dpaa2_cmdif/dpaa2_cmdif.c b/drivers/raw/dpaa2_cmdif/dpaa2_cmdif.c new file mode 100644 index 00000000..095a34b2 --- /dev/null +++ b/drivers/raw/dpaa2_cmdif/dpaa2_cmdif.c @@ -0,0 +1,300 @@ +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright 2018 NXP + */ + +#include <stdio.h> +#include <errno.h> +#include <stdint.h> + +#include <rte_bus_vdev.h> +#include <rte_atomic.h> +#include <rte_interrupts.h> +#include <rte_branch_prediction.h> +#include <rte_lcore.h> + +#include <rte_rawdev.h> +#include <rte_rawdev_pmd.h> + +#include <portal/dpaa2_hw_pvt.h> +#include <portal/dpaa2_hw_dpio.h> +#include "dpaa2_cmdif_logs.h" +#include "rte_pmd_dpaa2_cmdif.h" + +/* Dynamic log type identifier */ +int dpaa2_cmdif_logtype; + +/* CMDIF driver name */ +#define DPAA2_CMDIF_PMD_NAME dpaa2_dpci + +/* CMDIF driver object */ +static struct rte_vdev_driver dpaa2_cmdif_drv; + +/* + * This API provides the DPCI device ID in 'attr_value'. + * The device ID shall be passed by GPP to the AIOP using CMDIF commands. + */ +static int +dpaa2_cmdif_get_attr(struct rte_rawdev *dev, + const char *attr_name, + uint64_t *attr_value) +{ + struct dpaa2_dpci_dev *cidev = dev->dev_private; + + DPAA2_CMDIF_FUNC_TRACE(); + + RTE_SET_USED(attr_name); + + if (!attr_value) { + DPAA2_CMDIF_ERR("Invalid arguments for getting attributes"); + return -EINVAL; + } + *attr_value = cidev->dpci_id; + + return 0; +} + +static int +dpaa2_cmdif_enqueue_bufs(struct rte_rawdev *dev, + struct rte_rawdev_buf **buffers, + unsigned int count, + rte_rawdev_obj_t context) +{ + struct dpaa2_dpci_dev *cidev = dev->dev_private; + struct rte_dpaa2_cmdif_context *cmdif_send_cnxt; + struct dpaa2_queue *txq; + struct qbman_fd fd; + struct qbman_eq_desc eqdesc; + struct qbman_swp *swp; + int ret; + + DPAA2_CMDIF_FUNC_TRACE(); + + RTE_SET_USED(count); + + if (unlikely(!DPAA2_PER_LCORE_DPIO)) { + ret = dpaa2_affine_qbman_swp(); + if (ret) { + DPAA2_CMDIF_ERR("Failure in affining portal\n"); + return 0; + } + } + swp = DPAA2_PER_LCORE_PORTAL; + + cmdif_send_cnxt = (struct rte_dpaa2_cmdif_context *)(context); + txq = &(cidev->tx_queue[cmdif_send_cnxt->priority]); + + /* Prepare enqueue descriptor */ + qbman_eq_desc_clear(&eqdesc); + qbman_eq_desc_set_fq(&eqdesc, txq->fqid); + qbman_eq_desc_set_no_orp(&eqdesc, 0); + qbman_eq_desc_set_response(&eqdesc, 0, 0); + + /* Set some of the FD parameters to i. + * For performance reasons do not memset + */ + fd.simple.bpid_offset = 0; + fd.simple.ctrl = 0; + + DPAA2_SET_FD_ADDR(&fd, DPAA2_VADDR_TO_IOVA(buffers[0]->buf_addr)); + DPAA2_SET_FD_LEN(&fd, cmdif_send_cnxt->size); + DPAA2_SET_FD_FRC(&fd, cmdif_send_cnxt->frc); + DPAA2_SET_FD_FLC(&fd, cmdif_send_cnxt->flc); + + /* Enqueue a packet to the QBMAN */ + do { + ret = qbman_swp_enqueue_multiple(swp, &eqdesc, &fd, NULL, 1); + if (ret < 0 && ret != -EBUSY) + DPAA2_CMDIF_ERR("Transmit failure with err: %d\n", ret); + } while (ret == -EBUSY); + + DPAA2_CMDIF_DP_DEBUG("Successfully transmitted a packet\n"); + + return 0; +} + +static int +dpaa2_cmdif_dequeue_bufs(struct rte_rawdev *dev, + struct rte_rawdev_buf **buffers, + unsigned int count, + rte_rawdev_obj_t context) +{ + struct dpaa2_dpci_dev *cidev = dev->dev_private; + struct rte_dpaa2_cmdif_context *cmdif_rcv_cnxt; + struct dpaa2_queue *rxq; + struct qbman_swp *swp; + struct qbman_result *dq_storage; + const struct qbman_fd *fd; + struct qbman_pull_desc pulldesc; + uint8_t status; + int ret; + + DPAA2_CMDIF_FUNC_TRACE(); + + RTE_SET_USED(count); + + if (unlikely(!DPAA2_PER_LCORE_DPIO)) { + ret = dpaa2_affine_qbman_swp(); + if (ret) { + DPAA2_CMDIF_ERR("Failure in affining portal\n"); + return 0; + } + } + swp = DPAA2_PER_LCORE_PORTAL; + + cmdif_rcv_cnxt = (struct rte_dpaa2_cmdif_context *)(context); + rxq = &(cidev->rx_queue[cmdif_rcv_cnxt->priority]); + dq_storage = rxq->q_storage->dq_storage[0]; + + qbman_pull_desc_clear(&pulldesc); + qbman_pull_desc_set_fq(&pulldesc, rxq->fqid); + qbman_pull_desc_set_numframes(&pulldesc, 1); + qbman_pull_desc_set_storage(&pulldesc, dq_storage, + (uint64_t)(DPAA2_VADDR_TO_IOVA(dq_storage)), 1); + + while (1) { + if (qbman_swp_pull(swp, &pulldesc)) { + DPAA2_CMDIF_DP_WARN("VDQ cmd not issued. QBMAN is busy\n"); + /* Portal was busy, try again */ + continue; + } + break; + } + + /* Check if previous issued command is completed. */ + while (!qbman_check_command_complete(dq_storage)) + ; + /* Loop until the dq_storage is updated with new token by QBMAN */ + while (!qbman_result_has_new_result(swp, dq_storage)) + ; + + /* Check for valid frame. */ + status = (uint8_t)qbman_result_DQ_flags(dq_storage); + if (unlikely((status & QBMAN_DQ_STAT_VALIDFRAME) == 0)) { + DPAA2_CMDIF_DP_DEBUG("No frame is delivered\n"); + return 0; + } + + fd = qbman_result_DQ_fd(dq_storage); + + buffers[0]->buf_addr = (void *)DPAA2_IOVA_TO_VADDR( + DPAA2_GET_FD_ADDR(fd) + DPAA2_GET_FD_OFFSET(fd)); + cmdif_rcv_cnxt->size = DPAA2_GET_FD_LEN(fd); + cmdif_rcv_cnxt->flc = DPAA2_GET_FD_FLC(fd); + cmdif_rcv_cnxt->frc = DPAA2_GET_FD_FRC(fd); + + DPAA2_CMDIF_DP_DEBUG("packet received\n"); + + return 1; +} + +static const struct rte_rawdev_ops dpaa2_cmdif_ops = { + .attr_get = dpaa2_cmdif_get_attr, + .enqueue_bufs = dpaa2_cmdif_enqueue_bufs, + .dequeue_bufs = dpaa2_cmdif_dequeue_bufs, +}; + +static int +dpaa2_cmdif_create(const char *name, + struct rte_vdev_device *vdev, + int socket_id) +{ + struct rte_rawdev *rawdev; + struct dpaa2_dpci_dev *cidev; + + /* Allocate device structure */ + rawdev = rte_rawdev_pmd_allocate(name, sizeof(struct dpaa2_dpci_dev), + socket_id); + if (!rawdev) { + DPAA2_CMDIF_ERR("Unable to allocate rawdevice"); + return -EINVAL; + } + + rawdev->dev_ops = &dpaa2_cmdif_ops; + rawdev->device = &vdev->device; + rawdev->driver_name = vdev->device.driver->name; + + /* For secondary processes, the primary has done all the work */ + if (rte_eal_process_type() != RTE_PROC_PRIMARY) + return 0; + + cidev = rte_dpaa2_alloc_dpci_dev(); + if (!cidev) { + DPAA2_CMDIF_ERR("Unable to allocate CI device"); + rte_rawdev_pmd_release(rawdev); + return -ENODEV; + } + + rawdev->dev_private = cidev; + + return 0; +} + +static int +dpaa2_cmdif_destroy(const char *name) +{ + int ret; + struct rte_rawdev *rdev; + + rdev = rte_rawdev_pmd_get_named_dev(name); + if (!rdev) { + DPAA2_CMDIF_ERR("Invalid device name (%s)", name); + return -EINVAL; + } + + /* The primary process will only free the DPCI device */ + if (rte_eal_process_type() == RTE_PROC_PRIMARY) + rte_dpaa2_free_dpci_dev(rdev->dev_private); + + ret = rte_rawdev_pmd_release(rdev); + if (ret) + DPAA2_CMDIF_DEBUG("Device cleanup failed"); + + return 0; +} + +static int +dpaa2_cmdif_probe(struct rte_vdev_device *vdev) +{ + const char *name; + int ret = 0; + + name = rte_vdev_device_name(vdev); + + DPAA2_CMDIF_INFO("Init %s on NUMA node %d", name, rte_socket_id()); + + ret = dpaa2_cmdif_create(name, vdev, rte_socket_id()); + + return ret; +} + +static int +dpaa2_cmdif_remove(struct rte_vdev_device *vdev) +{ + const char *name; + int ret; + + name = rte_vdev_device_name(vdev); + + DPAA2_CMDIF_INFO("Closing %s on NUMA node %d", name, rte_socket_id()); + + ret = dpaa2_cmdif_destroy(name); + + return ret; +} + +static struct rte_vdev_driver dpaa2_cmdif_drv = { + .probe = dpaa2_cmdif_probe, + .remove = dpaa2_cmdif_remove +}; + +RTE_PMD_REGISTER_VDEV(DPAA2_CMDIF_PMD_NAME, dpaa2_cmdif_drv); + +RTE_INIT(dpaa2_cmdif_init_log); + +static void +dpaa2_cmdif_init_log(void) +{ + dpaa2_cmdif_logtype = rte_log_register("pmd.raw.dpaa2.cmdif"); + if (dpaa2_cmdif_logtype >= 0) + rte_log_set_level(dpaa2_cmdif_logtype, RTE_LOG_INFO); +} diff --git a/drivers/raw/dpaa2_cmdif/dpaa2_cmdif_logs.h b/drivers/raw/dpaa2_cmdif/dpaa2_cmdif_logs.h new file mode 100644 index 00000000..598a621c --- /dev/null +++ b/drivers/raw/dpaa2_cmdif/dpaa2_cmdif_logs.h @@ -0,0 +1,46 @@ +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright 2018 NXP + */ + +#ifndef __DPAA2_CMDIF_LOGS_H__ +#define __DPAA2_CMDIF_LOGS_H__ + +#ifdef __cplusplus +extern "C" { +#endif + +extern int dpaa2_cmdif_logtype; + +#define DPAA2_CMDIF_LOG(level, fmt, args...) \ + rte_log(RTE_LOG_ ## level, dpaa2_cmdif_logtype, "dpaa2_cmdif: " \ + fmt "\n", ## args) + +#define DPAA2_CMDIF_DEBUG(fmt, args...) \ + rte_log(RTE_LOG_DEBUG, dpaa2_cmdif_logtype, "dpaa2_cmdif: %s(): " \ + fmt "\n", __func__, ## args) + +#define DPAA2_CMDIF_FUNC_TRACE() DPAA2_CMDIF_LOG(DEBUG, ">>") + +#define DPAA2_CMDIF_INFO(fmt, args...) \ + DPAA2_CMDIF_LOG(INFO, fmt, ## args) +#define DPAA2_CMDIF_ERR(fmt, args...) \ + DPAA2_CMDIF_LOG(ERR, fmt, ## args) +#define DPAA2_CMDIF_WARN(fmt, args...) \ + DPAA2_CMDIF_LOG(WARNING, fmt, ## args) + +/* DP Logs, toggled out at compile time if level lower than current level */ +#define DPAA2_CMDIF_DP_LOG(level, fmt, args...) \ + RTE_LOG_DP(level, PMD, "dpaa2_cmdif: " fmt "\n", ## args) + +#define DPAA2_CMDIF_DP_DEBUG(fmt, args...) \ + DPAA2_CMDIF_DP_LOG(DEBUG, fmt, ## args) +#define DPAA2_CMDIF_DP_INFO(fmt, args...) \ + DPAA2_CMDIF_DP_LOG(INFO, fmt, ## args) +#define DPAA2_CMDIF_DP_WARN(fmt, args...) \ + DPAA2_CMDIF_DP_LOG(WARNING, fmt, ## args) + +#ifdef __cplusplus +} +#endif + +#endif /* __DPAA2_CMDIF_LOGS_H__ */ diff --git a/drivers/raw/dpaa2_cmdif/meson.build b/drivers/raw/dpaa2_cmdif/meson.build new file mode 100644 index 00000000..8c909438 --- /dev/null +++ b/drivers/raw/dpaa2_cmdif/meson.build @@ -0,0 +1,9 @@ +# SPDX-License-Identifier: BSD-3-Clause +# Copyright 2018 NXP + +deps += ['rawdev', 'mempool_dpaa2', 'bus_vdev'] +sources = files('dpaa2_cmdif.c') + +allow_experimental_apis = true + +install_headers('rte_pmd_dpaa2_cmdif.h') diff --git a/drivers/raw/dpaa2_cmdif/rte_pmd_dpaa2_cmdif.h b/drivers/raw/dpaa2_cmdif/rte_pmd_dpaa2_cmdif.h new file mode 100644 index 00000000..483b66ea --- /dev/null +++ b/drivers/raw/dpaa2_cmdif/rte_pmd_dpaa2_cmdif.h @@ -0,0 +1,35 @@ +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright 2018 NXP + */ + +#ifndef __RTE_PMD_DPAA2_CMDIF_H__ +#define __RTE_PMD_DPAA2_CMDIF_H__ + +/** + * @file + * + * NXP dpaa2 AIOP CMDIF PMD specific structures. + * + */ + +#ifdef __cplusplus +extern "C" { +#endif + +/** The context required in the I/O path for DPAA2 AIOP Command Interface */ +struct rte_dpaa2_cmdif_context { + /** Size to populate in QBMAN FD */ + uint32_t size; + /** FRC to populate in QBMAN FD */ + uint32_t frc; + /** FLC to populate in QBMAN FD */ + uint64_t flc; + /** Priority of the command. This priority determines DPCI Queue*/ + uint8_t priority; +}; + +#ifdef __cplusplus +} +#endif + +#endif /* __RTE_PMD_DPAA2_CMDIF_H__ */ diff --git a/drivers/raw/dpaa2_cmdif/rte_pmd_dpaa2_cmdif_version.map b/drivers/raw/dpaa2_cmdif/rte_pmd_dpaa2_cmdif_version.map new file mode 100644 index 00000000..9b9ab1a4 --- /dev/null +++ b/drivers/raw/dpaa2_cmdif/rte_pmd_dpaa2_cmdif_version.map @@ -0,0 +1,4 @@ +DPDK_18.05 { + + local: *; +}; |