diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:45:59 +0000 |
---|---|---|
committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:45:59 +0000 |
commit | 19fcec84d8d7d21e796c7624e521b60d28ee21ed (patch) | |
tree | 42d26aa27d1e3f7c0b8bd3fd14e7d7082f5008dc /src/spdk/dpdk/lib/librte_rawdev/rte_rawdev.c | |
parent | Initial commit. (diff) | |
download | ceph-upstream.tar.xz ceph-upstream.zip |
Adding upstream version 16.2.11+ds.upstream/16.2.11+dsupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/spdk/dpdk/lib/librte_rawdev/rte_rawdev.c')
-rw-r--r-- | src/spdk/dpdk/lib/librte_rawdev/rte_rawdev.c | 625 |
1 files changed, 625 insertions, 0 deletions
diff --git a/src/spdk/dpdk/lib/librte_rawdev/rte_rawdev.c b/src/spdk/dpdk/lib/librte_rawdev/rte_rawdev.c new file mode 100644 index 000000000..c332a7648 --- /dev/null +++ b/src/spdk/dpdk/lib/librte_rawdev/rte_rawdev.c @@ -0,0 +1,625 @@ +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright 2017 NXP + */ + +#include <ctype.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <stdarg.h> +#include <errno.h> +#include <stdint.h> +#include <inttypes.h> +#include <sys/types.h> +#include <sys/queue.h> + +#include <rte_string_fns.h> +#include <rte_byteorder.h> +#include <rte_log.h> +#include <rte_debug.h> +#include <rte_dev.h> +#include <rte_memory.h> +#include <rte_memcpy.h> +#include <rte_memzone.h> +#include <rte_eal.h> +#include <rte_per_lcore.h> +#include <rte_lcore.h> +#include <rte_atomic.h> +#include <rte_branch_prediction.h> +#include <rte_common.h> +#include <rte_malloc.h> +#include <rte_errno.h> +#include <rte_telemetry.h> + +#include "rte_rawdev.h" +#include "rte_rawdev_pmd.h" + +/* dynamic log identifier */ +int librawdev_logtype; + +static struct rte_rawdev rte_rawdevices[RTE_RAWDEV_MAX_DEVS]; + +struct rte_rawdev *rte_rawdevs = rte_rawdevices; + +static struct rte_rawdev_global rawdev_globals = { + .nb_devs = 0 +}; + +/* Raw device, northbound API implementation */ +uint8_t +rte_rawdev_count(void) +{ + return rawdev_globals.nb_devs; +} + +uint16_t +rte_rawdev_get_dev_id(const char *name) +{ + uint16_t i; + + if (!name) + return -EINVAL; + + for (i = 0; i < rawdev_globals.nb_devs; i++) + if ((strcmp(rte_rawdevices[i].name, name) + == 0) && + (rte_rawdevices[i].attached == + RTE_RAWDEV_ATTACHED)) + return i; + return -ENODEV; +} + +int +rte_rawdev_socket_id(uint16_t dev_id) +{ + struct rte_rawdev *dev; + + RTE_RAWDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL); + dev = &rte_rawdevs[dev_id]; + + return dev->socket_id; +} + +int +rte_rawdev_info_get(uint16_t dev_id, struct rte_rawdev_info *dev_info) +{ + struct rte_rawdev *rawdev; + + RTE_RAWDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL); + RTE_FUNC_PTR_OR_ERR_RET(dev_info, -EINVAL); + + rawdev = &rte_rawdevs[dev_id]; + + RTE_FUNC_PTR_OR_ERR_RET(*rawdev->dev_ops->dev_info_get, -ENOTSUP); + (*rawdev->dev_ops->dev_info_get)(rawdev, dev_info->dev_private); + + if (dev_info) { + + dev_info->driver_name = rawdev->driver_name; + dev_info->device = rawdev->device; + } + + return 0; +} + +int +rte_rawdev_configure(uint16_t dev_id, struct rte_rawdev_info *dev_conf) +{ + struct rte_rawdev *dev; + int diag; + + RTE_RAWDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL); + RTE_FUNC_PTR_OR_ERR_RET(dev_conf, -EINVAL); + + dev = &rte_rawdevs[dev_id]; + + RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_configure, -ENOTSUP); + + if (dev->started) { + RTE_RDEV_ERR( + "device %d must be stopped to allow configuration", dev_id); + return -EBUSY; + } + + /* Configure the device */ + diag = (*dev->dev_ops->dev_configure)(dev, dev_conf->dev_private); + if (diag != 0) + RTE_RDEV_ERR("dev%d dev_configure = %d", dev_id, diag); + else + dev->attached = 1; + + return diag; +} + +int +rte_rawdev_queue_conf_get(uint16_t dev_id, + uint16_t queue_id, + rte_rawdev_obj_t queue_conf) +{ + struct rte_rawdev *dev; + + RTE_RAWDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL); + dev = &rte_rawdevs[dev_id]; + + RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->queue_def_conf, -ENOTSUP); + (*dev->dev_ops->queue_def_conf)(dev, queue_id, queue_conf); + return 0; +} + +int +rte_rawdev_queue_setup(uint16_t dev_id, + uint16_t queue_id, + rte_rawdev_obj_t queue_conf) +{ + struct rte_rawdev *dev; + + RTE_RAWDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL); + dev = &rte_rawdevs[dev_id]; + + RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->queue_setup, -ENOTSUP); + return (*dev->dev_ops->queue_setup)(dev, queue_id, queue_conf); +} + +int +rte_rawdev_queue_release(uint16_t dev_id, uint16_t queue_id) +{ + struct rte_rawdev *dev; + + RTE_RAWDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL); + dev = &rte_rawdevs[dev_id]; + + RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->queue_release, -ENOTSUP); + return (*dev->dev_ops->queue_release)(dev, queue_id); +} + +uint16_t +rte_rawdev_queue_count(uint16_t dev_id) +{ + struct rte_rawdev *dev; + + RTE_RAWDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL); + dev = &rte_rawdevs[dev_id]; + + RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->queue_count, -ENOTSUP); + return (*dev->dev_ops->queue_count)(dev); +} + +int +rte_rawdev_get_attr(uint16_t dev_id, + const char *attr_name, + uint64_t *attr_value) +{ + struct rte_rawdev *dev; + + RTE_RAWDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL); + dev = &rte_rawdevs[dev_id]; + + RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->attr_get, -ENOTSUP); + return (*dev->dev_ops->attr_get)(dev, attr_name, attr_value); +} + +int +rte_rawdev_set_attr(uint16_t dev_id, + const char *attr_name, + const uint64_t attr_value) +{ + struct rte_rawdev *dev; + + RTE_RAWDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL); + dev = &rte_rawdevs[dev_id]; + + RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->attr_set, -ENOTSUP); + return (*dev->dev_ops->attr_set)(dev, attr_name, attr_value); +} + +int +rte_rawdev_enqueue_buffers(uint16_t dev_id, + struct rte_rawdev_buf **buffers, + unsigned int count, + rte_rawdev_obj_t context) +{ + struct rte_rawdev *dev; + + RTE_RAWDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL); + dev = &rte_rawdevs[dev_id]; + + RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->enqueue_bufs, -ENOTSUP); + return (*dev->dev_ops->enqueue_bufs)(dev, buffers, count, context); +} + +int +rte_rawdev_dequeue_buffers(uint16_t dev_id, + struct rte_rawdev_buf **buffers, + unsigned int count, + rte_rawdev_obj_t context) +{ + struct rte_rawdev *dev; + + RTE_RAWDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL); + dev = &rte_rawdevs[dev_id]; + + RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dequeue_bufs, -ENOTSUP); + return (*dev->dev_ops->dequeue_bufs)(dev, buffers, count, context); +} + +int +rte_rawdev_dump(uint16_t dev_id, FILE *f) +{ + struct rte_rawdev *dev; + + RTE_RAWDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL); + dev = &rte_rawdevs[dev_id]; + + RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dump, -ENOTSUP); + return (*dev->dev_ops->dump)(dev, f); +} + +static int +xstats_get_count(uint16_t dev_id) +{ + struct rte_rawdev *dev = &rte_rawdevs[dev_id]; + + RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->xstats_get_names, -ENOTSUP); + return (*dev->dev_ops->xstats_get_names)(dev, NULL, 0); +} + +int +rte_rawdev_xstats_names_get(uint16_t dev_id, + struct rte_rawdev_xstats_name *xstats_names, + unsigned int size) +{ + const struct rte_rawdev *dev; + int cnt_expected_entries; + + RTE_RAWDEV_VALID_DEVID_OR_ERR_RET(dev_id, -ENODEV); + + cnt_expected_entries = xstats_get_count(dev_id); + + if (xstats_names == NULL || cnt_expected_entries < 0 || + (int)size < cnt_expected_entries || size <= 0) + return cnt_expected_entries; + + dev = &rte_rawdevs[dev_id]; + + RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->xstats_get_names, -ENOTSUP); + return (*dev->dev_ops->xstats_get_names)(dev, xstats_names, size); +} + +/* retrieve rawdev extended statistics */ +int +rte_rawdev_xstats_get(uint16_t dev_id, + const unsigned int ids[], + uint64_t values[], + unsigned int n) +{ + RTE_RAWDEV_VALID_DEVID_OR_ERR_RET(dev_id, -ENODEV); + const struct rte_rawdev *dev = &rte_rawdevs[dev_id]; + + RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->xstats_get, -ENOTSUP); + return (*dev->dev_ops->xstats_get)(dev, ids, values, n); +} + +uint64_t +rte_rawdev_xstats_by_name_get(uint16_t dev_id, + const char *name, + unsigned int *id) +{ + RTE_RAWDEV_VALID_DEVID_OR_ERR_RET(dev_id, 0); + const struct rte_rawdev *dev = &rte_rawdevs[dev_id]; + unsigned int temp = -1; + + if (id != NULL) + *id = (unsigned int)-1; + else + id = &temp; /* driver never gets a NULL value */ + + /* implemented by driver */ + RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->xstats_get_by_name, -ENOTSUP); + return (*dev->dev_ops->xstats_get_by_name)(dev, name, id); +} + +int +rte_rawdev_xstats_reset(uint16_t dev_id, + const uint32_t ids[], uint32_t nb_ids) +{ + RTE_RAWDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL); + struct rte_rawdev *dev = &rte_rawdevs[dev_id]; + + RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->xstats_reset, -ENOTSUP); + return (*dev->dev_ops->xstats_reset)(dev, ids, nb_ids); +} + +int +rte_rawdev_firmware_status_get(uint16_t dev_id, rte_rawdev_obj_t status_info) +{ + RTE_RAWDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL); + struct rte_rawdev *dev = &rte_rawdevs[dev_id]; + + RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->firmware_status_get, -ENOTSUP); + return (*dev->dev_ops->firmware_status_get)(dev, status_info); +} + +int +rte_rawdev_firmware_version_get(uint16_t dev_id, rte_rawdev_obj_t version_info) +{ + RTE_RAWDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL); + struct rte_rawdev *dev = &rte_rawdevs[dev_id]; + + RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->firmware_version_get, -ENOTSUP); + return (*dev->dev_ops->firmware_version_get)(dev, version_info); +} + +int +rte_rawdev_firmware_load(uint16_t dev_id, rte_rawdev_obj_t firmware_image) +{ + RTE_RAWDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL); + struct rte_rawdev *dev = &rte_rawdevs[dev_id]; + + if (!firmware_image) + return -EINVAL; + + RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->firmware_load, -ENOTSUP); + return (*dev->dev_ops->firmware_load)(dev, firmware_image); +} + +int +rte_rawdev_firmware_unload(uint16_t dev_id) +{ + RTE_RAWDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL); + struct rte_rawdev *dev = &rte_rawdevs[dev_id]; + + RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->firmware_load, -ENOTSUP); + return (*dev->dev_ops->firmware_unload)(dev); +} + +int +rte_rawdev_selftest(uint16_t dev_id) +{ + RTE_RAWDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL); + struct rte_rawdev *dev = &rte_rawdevs[dev_id]; + + RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_selftest, -ENOTSUP); + return (*dev->dev_ops->dev_selftest)(dev_id); +} + +int +rte_rawdev_start(uint16_t dev_id) +{ + struct rte_rawdev *dev; + int diag; + + RTE_RDEV_DEBUG("Start dev_id=%" PRIu8, dev_id); + + RTE_RAWDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL); + dev = &rte_rawdevs[dev_id]; + RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_start, -ENOTSUP); + + if (dev->started != 0) { + RTE_RDEV_ERR("Device with dev_id=%" PRIu8 "already started", + dev_id); + return 0; + } + + diag = (*dev->dev_ops->dev_start)(dev); + if (diag == 0) + dev->started = 1; + else + return diag; + + return 0; +} + +void +rte_rawdev_stop(uint16_t dev_id) +{ + struct rte_rawdev *dev; + + RTE_RDEV_DEBUG("Stop dev_id=%" PRIu8, dev_id); + + RTE_RAWDEV_VALID_DEVID_OR_RET(dev_id); + dev = &rte_rawdevs[dev_id]; + + RTE_FUNC_PTR_OR_RET(*dev->dev_ops->dev_stop); + + if (dev->started == 0) { + RTE_RDEV_ERR("Device with dev_id=%" PRIu8 "already stopped", + dev_id); + return; + } + + (*dev->dev_ops->dev_stop)(dev); + dev->started = 0; +} + +int +rte_rawdev_close(uint16_t dev_id) +{ + struct rte_rawdev *dev; + + RTE_RAWDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL); + dev = &rte_rawdevs[dev_id]; + + RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_close, -ENOTSUP); + /* Device must be stopped before it can be closed */ + if (dev->started == 1) { + RTE_RDEV_ERR("Device %u must be stopped before closing", + dev_id); + return -EBUSY; + } + + return (*dev->dev_ops->dev_close)(dev); +} + +int +rte_rawdev_reset(uint16_t dev_id) +{ + struct rte_rawdev *dev; + + RTE_RAWDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL); + dev = &rte_rawdevs[dev_id]; + + RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_reset, -ENOTSUP); + /* Reset is not dependent on state of the device */ + return (*dev->dev_ops->dev_reset)(dev); +} + +static inline uint8_t +rte_rawdev_find_free_device_index(void) +{ + uint16_t dev_id; + + for (dev_id = 0; dev_id < RTE_RAWDEV_MAX_DEVS; dev_id++) { + if (rte_rawdevs[dev_id].attached == + RTE_RAWDEV_DETACHED) + return dev_id; + } + + return RTE_RAWDEV_MAX_DEVS; +} + +struct rte_rawdev * +rte_rawdev_pmd_allocate(const char *name, size_t dev_priv_size, int socket_id) +{ + struct rte_rawdev *rawdev; + uint16_t dev_id; + + if (rte_rawdev_pmd_get_named_dev(name) != NULL) { + RTE_RDEV_ERR("Event device with name %s already allocated!", + name); + return NULL; + } + + dev_id = rte_rawdev_find_free_device_index(); + if (dev_id == RTE_RAWDEV_MAX_DEVS) { + RTE_RDEV_ERR("Reached maximum number of raw devices"); + return NULL; + } + + rawdev = &rte_rawdevs[dev_id]; + + if (dev_priv_size > 0) { + rawdev->dev_private = rte_zmalloc_socket("rawdev private", + dev_priv_size, + RTE_CACHE_LINE_SIZE, + socket_id); + if (!rawdev->dev_private) { + RTE_RDEV_ERR("Unable to allocate memory for rawdev"); + return NULL; + } + } + + rawdev->dev_id = dev_id; + rawdev->socket_id = socket_id; + rawdev->started = 0; + strlcpy(rawdev->name, name, RTE_RAWDEV_NAME_MAX_LEN); + + rawdev->attached = RTE_RAWDEV_ATTACHED; + rawdev_globals.nb_devs++; + + return rawdev; +} + +int +rte_rawdev_pmd_release(struct rte_rawdev *rawdev) +{ + int ret; + + if (rawdev == NULL) + return -EINVAL; + + ret = rte_rawdev_close(rawdev->dev_id); + if (ret < 0) + return ret; + + rawdev->attached = RTE_RAWDEV_DETACHED; + rawdev_globals.nb_devs--; + + rawdev->dev_id = 0; + rawdev->socket_id = 0; + rawdev->dev_ops = NULL; + if (rawdev->dev_private) { + rte_free(rawdev->dev_private); + rawdev->dev_private = NULL; + } + + return 0; +} + +static int +handle_dev_list(const char *cmd __rte_unused, + const char *params __rte_unused, + struct rte_tel_data *d) +{ + int i; + + rte_tel_data_start_array(d, RTE_TEL_INT_VAL); + for (i = 0; i < rawdev_globals.nb_devs; i++) + if (rte_rawdevices[i].attached == RTE_RAWDEV_ATTACHED) + rte_tel_data_add_array_int(d, i); + return 0; +} + +static int +handle_dev_xstats(const char *cmd __rte_unused, + const char *params, + struct rte_tel_data *d) +{ + uint64_t *rawdev_xstats; + struct rte_rawdev_xstats_name *xstat_names; + int dev_id, num_xstats, i, ret; + unsigned int *ids; + + if (params == NULL || strlen(params) == 0 || !isdigit(*params)) + return -1; + + dev_id = atoi(params); + if (!rte_rawdev_pmd_is_valid_dev(dev_id)) + return -1; + + num_xstats = xstats_get_count(dev_id); + if (num_xstats < 0) + return -1; + + /* use one malloc for names, stats and ids */ + rawdev_xstats = malloc((sizeof(uint64_t) + + sizeof(struct rte_rawdev_xstats_name) + + sizeof(unsigned int)) * num_xstats); + if (rawdev_xstats == NULL) + return -1; + xstat_names = (void *)&rawdev_xstats[num_xstats]; + ids = (void *)&xstat_names[num_xstats]; + + ret = rte_rawdev_xstats_names_get(dev_id, xstat_names, num_xstats); + if (ret < 0 || ret > num_xstats) { + free(rawdev_xstats); + return -1; + } + + for (i = 0; i < num_xstats; i++) + ids[i] = i; + + ret = rte_rawdev_xstats_get(dev_id, ids, rawdev_xstats, num_xstats); + if (ret < 0 || ret > num_xstats) { + free(rawdev_xstats); + return -1; + } + + rte_tel_data_start_dict(d); + for (i = 0; i < num_xstats; i++) + rte_tel_data_add_dict_u64(d, xstat_names[i].name, + rawdev_xstats[i]); + + free(rawdev_xstats); + return 0; +} + +RTE_INIT(librawdev_init_log) +{ + librawdev_logtype = rte_log_register("lib.rawdev"); + if (librawdev_logtype >= 0) + rte_log_set_level(librawdev_logtype, RTE_LOG_INFO); + rte_telemetry_register_cmd("/rawdev/list", handle_dev_list, + "Returns list of available rawdev ports. Takes no parameters"); + rte_telemetry_register_cmd("/rawdev/xstats", handle_dev_xstats, + "Returns the xstats for a rawdev port. Parameters: int port_id"); +} |