static int16_t dma_devices_max;
-struct rte_dma_dev *rte_dma_devices;
+struct rte_dma_fp_object *rte_dma_fp_objs;
+static struct rte_dma_dev *rte_dma_devices;
+static struct {
+ /* Hold the dev_max information of the primary process. This field is
+ * set by the primary process and is read by the secondary process.
+ */
+ int16_t dev_max;
+ struct rte_dma_dev_data data[0];
+} *dma_devices_shared_data;
RTE_LOG_REGISTER_DEFAULT(rte_dma_logtype, INFO);
#define RTE_DMA_LOG(level, ...) \
return 0;
}
+int16_t
+rte_dma_next_dev(int16_t start_dev_id)
+{
+ int16_t dev_id = start_dev_id;
+ while (dev_id < dma_devices_max && rte_dma_devices[dev_id].state == RTE_DMA_DEV_UNUSED)
+ dev_id++;
+
+ if (dev_id < dma_devices_max)
+ return dev_id;
+
+ return -1;
+}
+
static int
dma_check_name(const char *name)
{
{
int16_t i;
- if (rte_dma_devices == NULL)
+ if (rte_dma_devices == NULL || dma_devices_shared_data == NULL)
return -1;
for (i = 0; i < dma_devices_max; i++) {
- if (rte_dma_devices[i].state == RTE_DMA_DEV_UNUSED)
+ if (dma_devices_shared_data->data[i].dev_name[0] == '\0')
return i;
}
for (i = 0; i < dma_devices_max; i++) {
if ((rte_dma_devices[i].state != RTE_DMA_DEV_UNUSED) &&
- (!strcmp(name, rte_dma_devices[i].dev_name)))
+ (!strcmp(name, rte_dma_devices[i].data->dev_name)))
return &rte_dma_devices[i];
}
return NULL;
}
+static void dma_fp_object_dummy(struct rte_dma_fp_object *obj);
+
+static int
+dma_fp_data_prepare(void)
+{
+ size_t size;
+ void *ptr;
+ int i;
+
+ if (rte_dma_fp_objs != NULL)
+ return 0;
+
+ /* Fast-path object must align cacheline, but the return value of malloc
+ * may not be aligned to the cache line. Therefore, extra memory is
+ * applied for realignment.
+ * note: We do not call posix_memalign/aligned_alloc because it is
+ * version dependent on libc.
+ */
+ size = dma_devices_max * sizeof(struct rte_dma_fp_object) +
+ RTE_CACHE_LINE_SIZE;
+ ptr = malloc(size);
+ if (ptr == NULL)
+ return -ENOMEM;
+ memset(ptr, 0, size);
+
+ rte_dma_fp_objs = RTE_PTR_ALIGN(ptr, RTE_CACHE_LINE_SIZE);
+ for (i = 0; i < dma_devices_max; i++)
+ dma_fp_object_dummy(&rte_dma_fp_objs[i]);
+
+ return 0;
+}
+
static int
dma_dev_data_prepare(void)
{
return 0;
}
+static int
+dma_shared_data_prepare(void)
+{
+ const char *mz_name = "rte_dma_dev_data";
+ const struct rte_memzone *mz;
+ size_t size;
+
+ if (dma_devices_shared_data != NULL)
+ return 0;
+
+ size = sizeof(*dma_devices_shared_data) +
+ sizeof(struct rte_dma_dev_data) * dma_devices_max;
+
+ if (rte_eal_process_type() == RTE_PROC_PRIMARY)
+ mz = rte_memzone_reserve(mz_name, size, rte_socket_id(), 0);
+ else
+ mz = rte_memzone_lookup(mz_name);
+ if (mz == NULL)
+ return -ENOMEM;
+
+ dma_devices_shared_data = mz->addr;
+ if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
+ memset(dma_devices_shared_data, 0, size);
+ dma_devices_shared_data->dev_max = dma_devices_max;
+ } else {
+ dma_devices_max = dma_devices_shared_data->dev_max;
+ }
+
+ return 0;
+}
+
static int
dma_data_prepare(void)
{
- if (dma_devices_max == 0)
- dma_devices_max = RTE_DMADEV_DEFAULT_MAX;
- return dma_dev_data_prepare();
+ int ret;
+
+ if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
+ if (dma_devices_max == 0)
+ dma_devices_max = RTE_DMADEV_DEFAULT_MAX;
+ ret = dma_fp_data_prepare();
+ if (ret)
+ return ret;
+ ret = dma_dev_data_prepare();
+ if (ret)
+ return ret;
+ ret = dma_shared_data_prepare();
+ if (ret)
+ return ret;
+ } else {
+ ret = dma_shared_data_prepare();
+ if (ret)
+ return ret;
+ ret = dma_fp_data_prepare();
+ if (ret)
+ return ret;
+ ret = dma_dev_data_prepare();
+ if (ret)
+ return ret;
+ }
+
+ return 0;
}
static struct rte_dma_dev *
-dma_allocate(const char *name, int numa_node, size_t private_data_size)
+dma_allocate_primary(const char *name, int numa_node, size_t private_data_size)
{
struct rte_dma_dev *dev;
void *dev_private;
}
dev = &rte_dma_devices[dev_id];
- rte_strscpy(dev->dev_name, name, sizeof(dev->dev_name));
- dev->dev_id = dev_id;
- dev->numa_node = numa_node;
- dev->dev_private = dev_private;
+ dev->data = &dma_devices_shared_data->data[dev_id];
+ rte_strscpy(dev->data->dev_name, name, sizeof(dev->data->dev_name));
+ dev->data->dev_id = dev_id;
+ dev->data->numa_node = numa_node;
+ dev->data->dev_private = dev_private;
+
+ return dev;
+}
+
+static struct rte_dma_dev *
+dma_attach_secondary(const char *name)
+{
+ struct rte_dma_dev *dev;
+ int16_t i;
+ int ret;
+
+ ret = dma_data_prepare();
+ if (ret < 0) {
+ RTE_DMA_LOG(ERR, "Cannot initialize dmadevs data");
+ return NULL;
+ }
+
+ for (i = 0; i < dma_devices_max; i++) {
+ if (!strcmp(dma_devices_shared_data->data[i].dev_name, name))
+ break;
+ }
+ if (i == dma_devices_max) {
+ RTE_DMA_LOG(ERR,
+ "Device %s is not driven by the primary process",
+ name);
+ return NULL;
+ }
+
+ dev = &rte_dma_devices[i];
+ dev->data = &dma_devices_shared_data->data[i];
+
+ return dev;
+}
+
+static struct rte_dma_dev *
+dma_allocate(const char *name, int numa_node, size_t private_data_size)
+{
+ struct rte_dma_dev *dev;
+
+ if (rte_eal_process_type() == RTE_PROC_PRIMARY)
+ dev = dma_allocate_primary(name, numa_node, private_data_size);
+ else
+ dev = dma_attach_secondary(name);
+
+ if (dev) {
+ dev->fp_obj = &rte_dma_fp_objs[dev->data->dev_id];
+ dma_fp_object_dummy(dev->fp_obj);
+ }
return dev;
}
static void
dma_release(struct rte_dma_dev *dev)
{
- rte_free(dev->dev_private);
+ if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
+ rte_free(dev->data->dev_private);
+ memset(dev->data, 0, sizeof(struct rte_dma_dev_data));
+ }
+
+ dma_fp_object_dummy(dev->fp_obj);
memset(dev, 0, sizeof(struct rte_dma_dev));
}
if (dev == NULL)
return -EINVAL;
+ if (dev->state == RTE_DMA_DEV_READY)
+ return rte_dma_close(dev->data->dev_id);
+
dma_release(dev);
return 0;
}
if (dev == NULL)
return -EINVAL;
- return dev->dev_id;
+ return dev->data->dev_id;
}
bool
return count;
}
+
+int
+rte_dma_info_get(int16_t dev_id, struct rte_dma_info *dev_info)
+{
+ const struct rte_dma_dev *dev = &rte_dma_devices[dev_id];
+ int ret;
+
+ if (!rte_dma_is_valid(dev_id) || dev_info == NULL)
+ return -EINVAL;
+
+ RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_info_get, -ENOTSUP);
+ memset(dev_info, 0, sizeof(struct rte_dma_info));
+ ret = (*dev->dev_ops->dev_info_get)(dev, dev_info,
+ sizeof(struct rte_dma_info));
+ if (ret != 0)
+ return ret;
+
+ dev_info->dev_name = dev->data->dev_name;
+ dev_info->numa_node = dev->device->numa_node;
+ dev_info->nb_vchans = dev->data->dev_conf.nb_vchans;
+
+ return 0;
+}
+
+int
+rte_dma_configure(int16_t dev_id, const struct rte_dma_conf *dev_conf)
+{
+ struct rte_dma_dev *dev = &rte_dma_devices[dev_id];
+ struct rte_dma_info dev_info;
+ int ret;
+
+ if (!rte_dma_is_valid(dev_id) || dev_conf == NULL)
+ return -EINVAL;
+
+ if (dev->data->dev_started != 0) {
+ RTE_DMA_LOG(ERR,
+ "Device %d must be stopped to allow configuration",
+ dev_id);
+ return -EBUSY;
+ }
+
+ ret = rte_dma_info_get(dev_id, &dev_info);
+ if (ret != 0) {
+ RTE_DMA_LOG(ERR, "Device %d get device info fail", dev_id);
+ return -EINVAL;
+ }
+ if (dev_conf->nb_vchans == 0) {
+ RTE_DMA_LOG(ERR,
+ "Device %d configure zero vchans", dev_id);
+ return -EINVAL;
+ }
+ if (dev_conf->nb_vchans > dev_info.max_vchans) {
+ RTE_DMA_LOG(ERR,
+ "Device %d configure too many vchans", dev_id);
+ return -EINVAL;
+ }
+ if (dev_conf->enable_silent &&
+ !(dev_info.dev_capa & RTE_DMA_CAPA_SILENT)) {
+ RTE_DMA_LOG(ERR, "Device %d don't support silent", dev_id);
+ return -EINVAL;
+ }
+
+ RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_configure, -ENOTSUP);
+ ret = (*dev->dev_ops->dev_configure)(dev, dev_conf,
+ sizeof(struct rte_dma_conf));
+ if (ret == 0)
+ memcpy(&dev->data->dev_conf, dev_conf,
+ sizeof(struct rte_dma_conf));
+
+ return ret;
+}
+
+int
+rte_dma_start(int16_t dev_id)
+{
+ struct rte_dma_dev *dev = &rte_dma_devices[dev_id];
+ int ret;
+
+ if (!rte_dma_is_valid(dev_id))
+ return -EINVAL;
+
+ if (dev->data->dev_conf.nb_vchans == 0) {
+ RTE_DMA_LOG(ERR, "Device %d must be configured first", dev_id);
+ return -EINVAL;
+ }
+
+ if (dev->data->dev_started != 0) {
+ RTE_DMA_LOG(WARNING, "Device %d already started", dev_id);
+ return 0;
+ }
+
+ if (dev->dev_ops->dev_start == NULL)
+ goto mark_started;
+
+ ret = (*dev->dev_ops->dev_start)(dev);
+ if (ret != 0)
+ return ret;
+
+mark_started:
+ dev->data->dev_started = 1;
+ return 0;
+}
+
+int
+rte_dma_stop(int16_t dev_id)
+{
+ struct rte_dma_dev *dev = &rte_dma_devices[dev_id];
+ int ret;
+
+ if (!rte_dma_is_valid(dev_id))
+ return -EINVAL;
+
+ if (dev->data->dev_started == 0) {
+ RTE_DMA_LOG(WARNING, "Device %d already stopped", dev_id);
+ return 0;
+ }
+
+ if (dev->dev_ops->dev_stop == NULL)
+ goto mark_stopped;
+
+ ret = (*dev->dev_ops->dev_stop)(dev);
+ if (ret != 0)
+ return ret;
+
+mark_stopped:
+ dev->data->dev_started = 0;
+ return 0;
+}
+
+int
+rte_dma_close(int16_t dev_id)
+{
+ struct rte_dma_dev *dev = &rte_dma_devices[dev_id];
+ int ret;
+
+ if (!rte_dma_is_valid(dev_id))
+ return -EINVAL;
+
+ /* Device must be stopped before it can be closed */
+ if (dev->data->dev_started == 1) {
+ RTE_DMA_LOG(ERR,
+ "Device %d must be stopped before closing", dev_id);
+ return -EBUSY;
+ }
+
+ RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_close, -ENOTSUP);
+ ret = (*dev->dev_ops->dev_close)(dev);
+ if (ret == 0)
+ dma_release(dev);
+
+ return ret;
+}
+
+int
+rte_dma_vchan_setup(int16_t dev_id, uint16_t vchan,
+ const struct rte_dma_vchan_conf *conf)
+{
+ struct rte_dma_dev *dev = &rte_dma_devices[dev_id];
+ struct rte_dma_info dev_info;
+ bool src_is_dev, dst_is_dev;
+ int ret;
+
+ if (!rte_dma_is_valid(dev_id) || conf == NULL)
+ return -EINVAL;
+
+ if (dev->data->dev_started != 0) {
+ RTE_DMA_LOG(ERR,
+ "Device %d must be stopped to allow configuration",
+ dev_id);
+ return -EBUSY;
+ }
+
+ ret = rte_dma_info_get(dev_id, &dev_info);
+ if (ret != 0) {
+ RTE_DMA_LOG(ERR, "Device %d get device info fail", dev_id);
+ return -EINVAL;
+ }
+ if (dev->data->dev_conf.nb_vchans == 0) {
+ RTE_DMA_LOG(ERR, "Device %d must be configured first", dev_id);
+ return -EINVAL;
+ }
+ if (vchan >= dev_info.nb_vchans) {
+ RTE_DMA_LOG(ERR, "Device %d vchan out range!", dev_id);
+ return -EINVAL;
+ }
+ if (conf->direction != RTE_DMA_DIR_MEM_TO_MEM &&
+ conf->direction != RTE_DMA_DIR_MEM_TO_DEV &&
+ conf->direction != RTE_DMA_DIR_DEV_TO_MEM &&
+ conf->direction != RTE_DMA_DIR_DEV_TO_DEV) {
+ RTE_DMA_LOG(ERR, "Device %d direction invalid!", dev_id);
+ return -EINVAL;
+ }
+ if (conf->direction == RTE_DMA_DIR_MEM_TO_MEM &&
+ !(dev_info.dev_capa & RTE_DMA_CAPA_MEM_TO_MEM)) {
+ RTE_DMA_LOG(ERR,
+ "Device %d don't support mem2mem transfer", dev_id);
+ return -EINVAL;
+ }
+ if (conf->direction == RTE_DMA_DIR_MEM_TO_DEV &&
+ !(dev_info.dev_capa & RTE_DMA_CAPA_MEM_TO_DEV)) {
+ RTE_DMA_LOG(ERR,
+ "Device %d don't support mem2dev transfer", dev_id);
+ return -EINVAL;
+ }
+ if (conf->direction == RTE_DMA_DIR_DEV_TO_MEM &&
+ !(dev_info.dev_capa & RTE_DMA_CAPA_DEV_TO_MEM)) {
+ RTE_DMA_LOG(ERR,
+ "Device %d don't support dev2mem transfer", dev_id);
+ return -EINVAL;
+ }
+ if (conf->direction == RTE_DMA_DIR_DEV_TO_DEV &&
+ !(dev_info.dev_capa & RTE_DMA_CAPA_DEV_TO_DEV)) {
+ RTE_DMA_LOG(ERR,
+ "Device %d don't support dev2dev transfer", dev_id);
+ return -EINVAL;
+ }
+ if (conf->nb_desc < dev_info.min_desc ||
+ conf->nb_desc > dev_info.max_desc) {
+ RTE_DMA_LOG(ERR,
+ "Device %d number of descriptors invalid", dev_id);
+ return -EINVAL;
+ }
+ src_is_dev = conf->direction == RTE_DMA_DIR_DEV_TO_MEM ||
+ conf->direction == RTE_DMA_DIR_DEV_TO_DEV;
+ if ((conf->src_port.port_type == RTE_DMA_PORT_NONE && src_is_dev) ||
+ (conf->src_port.port_type != RTE_DMA_PORT_NONE && !src_is_dev)) {
+ RTE_DMA_LOG(ERR, "Device %d source port type invalid", dev_id);
+ return -EINVAL;
+ }
+ dst_is_dev = conf->direction == RTE_DMA_DIR_MEM_TO_DEV ||
+ conf->direction == RTE_DMA_DIR_DEV_TO_DEV;
+ if ((conf->dst_port.port_type == RTE_DMA_PORT_NONE && dst_is_dev) ||
+ (conf->dst_port.port_type != RTE_DMA_PORT_NONE && !dst_is_dev)) {
+ RTE_DMA_LOG(ERR,
+ "Device %d destination port type invalid", dev_id);
+ return -EINVAL;
+ }
+
+ RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vchan_setup, -ENOTSUP);
+ return (*dev->dev_ops->vchan_setup)(dev, vchan, conf,
+ sizeof(struct rte_dma_vchan_conf));
+}
+
+int
+rte_dma_stats_get(int16_t dev_id, uint16_t vchan, struct rte_dma_stats *stats)
+{
+ const struct rte_dma_dev *dev = &rte_dma_devices[dev_id];
+
+ if (!rte_dma_is_valid(dev_id) || stats == NULL)
+ return -EINVAL;
+
+ if (vchan >= dev->data->dev_conf.nb_vchans &&
+ vchan != RTE_DMA_ALL_VCHAN) {
+ RTE_DMA_LOG(ERR,
+ "Device %d vchan %u out of range", dev_id, vchan);
+ return -EINVAL;
+ }
+
+ RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->stats_get, -ENOTSUP);
+ memset(stats, 0, sizeof(struct rte_dma_stats));
+ return (*dev->dev_ops->stats_get)(dev, vchan, stats,
+ sizeof(struct rte_dma_stats));
+}
+
+int
+rte_dma_stats_reset(int16_t dev_id, uint16_t vchan)
+{
+ struct rte_dma_dev *dev = &rte_dma_devices[dev_id];
+
+ if (!rte_dma_is_valid(dev_id))
+ return -EINVAL;
+
+ if (vchan >= dev->data->dev_conf.nb_vchans &&
+ vchan != RTE_DMA_ALL_VCHAN) {
+ RTE_DMA_LOG(ERR,
+ "Device %d vchan %u out of range", dev_id, vchan);
+ return -EINVAL;
+ }
+
+ RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->stats_reset, -ENOTSUP);
+ return (*dev->dev_ops->stats_reset)(dev, vchan);
+}
+
+int
+rte_dma_vchan_status(int16_t dev_id, uint16_t vchan, enum rte_dma_vchan_status *status)
+{
+ struct rte_dma_dev *dev = &rte_dma_devices[dev_id];
+
+ if (!rte_dma_is_valid(dev_id))
+ return -EINVAL;
+
+ if (vchan >= dev->data->dev_conf.nb_vchans) {
+ RTE_DMA_LOG(ERR, "Device %u vchan %u out of range\n", dev_id, vchan);
+ return -EINVAL;
+ }
+
+ RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->vchan_status, -ENOTSUP);
+ return (*dev->dev_ops->vchan_status)(dev, vchan, status);
+}
+
+static const char *
+dma_capability_name(uint64_t capability)
+{
+ static const struct {
+ uint64_t capability;
+ const char *name;
+ } capa_names[] = {
+ { RTE_DMA_CAPA_MEM_TO_MEM, "mem2mem" },
+ { RTE_DMA_CAPA_MEM_TO_DEV, "mem2dev" },
+ { RTE_DMA_CAPA_DEV_TO_MEM, "dev2mem" },
+ { RTE_DMA_CAPA_DEV_TO_DEV, "dev2dev" },
+ { RTE_DMA_CAPA_SVA, "sva" },
+ { RTE_DMA_CAPA_SILENT, "silent" },
+ { RTE_DMA_CAPA_HANDLES_ERRORS, "handles_errors" },
+ { RTE_DMA_CAPA_OPS_COPY, "copy" },
+ { RTE_DMA_CAPA_OPS_COPY_SG, "copy_sg" },
+ { RTE_DMA_CAPA_OPS_FILL, "fill" },
+ };
+
+ const char *name = "unknown";
+ uint32_t i;
+
+ for (i = 0; i < RTE_DIM(capa_names); i++) {
+ if (capability == capa_names[i].capability) {
+ name = capa_names[i].name;
+ break;
+ }
+ }
+
+ return name;
+}
+
+static void
+dma_dump_capability(FILE *f, uint64_t dev_capa)
+{
+ uint64_t capa;
+
+ (void)fprintf(f, " dev_capa: 0x%" PRIx64 " -", dev_capa);
+ while (dev_capa > 0) {
+ capa = 1ull << __builtin_ctzll(dev_capa);
+ (void)fprintf(f, " %s", dma_capability_name(capa));
+ dev_capa &= ~capa;
+ }
+ (void)fprintf(f, "\n");
+}
+
+int
+rte_dma_dump(int16_t dev_id, FILE *f)
+{
+ const struct rte_dma_dev *dev = &rte_dma_devices[dev_id];
+ struct rte_dma_info dev_info;
+ int ret;
+
+ if (!rte_dma_is_valid(dev_id) || f == NULL)
+ return -EINVAL;
+
+ ret = rte_dma_info_get(dev_id, &dev_info);
+ if (ret != 0) {
+ RTE_DMA_LOG(ERR, "Device %d get device info fail", dev_id);
+ return -EINVAL;
+ }
+
+ (void)fprintf(f, "DMA Dev %d, '%s' [%s]\n",
+ dev->data->dev_id,
+ dev->data->dev_name,
+ dev->data->dev_started ? "started" : "stopped");
+ dma_dump_capability(f, dev_info.dev_capa);
+ (void)fprintf(f, " max_vchans_supported: %u\n", dev_info.max_vchans);
+ (void)fprintf(f, " nb_vchans_configured: %u\n", dev_info.nb_vchans);
+ (void)fprintf(f, " silent_mode: %s\n",
+ dev->data->dev_conf.enable_silent ? "on" : "off");
+
+ if (dev->dev_ops->dev_dump != NULL)
+ return (*dev->dev_ops->dev_dump)(dev, f);
+
+ return 0;
+}
+
+static int
+dummy_copy(__rte_unused void *dev_private, __rte_unused uint16_t vchan,
+ __rte_unused rte_iova_t src, __rte_unused rte_iova_t dst,
+ __rte_unused uint32_t length, __rte_unused uint64_t flags)
+{
+ RTE_DMA_LOG(ERR, "copy is not configured or not supported.");
+ return -EINVAL;
+}
+
+static int
+dummy_copy_sg(__rte_unused void *dev_private, __rte_unused uint16_t vchan,
+ __rte_unused const struct rte_dma_sge *src,
+ __rte_unused const struct rte_dma_sge *dst,
+ __rte_unused uint16_t nb_src, __rte_unused uint16_t nb_dst,
+ __rte_unused uint64_t flags)
+{
+ RTE_DMA_LOG(ERR, "copy_sg is not configured or not supported.");
+ return -EINVAL;
+}
+
+static int
+dummy_fill(__rte_unused void *dev_private, __rte_unused uint16_t vchan,
+ __rte_unused uint64_t pattern, __rte_unused rte_iova_t dst,
+ __rte_unused uint32_t length, __rte_unused uint64_t flags)
+{
+ RTE_DMA_LOG(ERR, "fill is not configured or not supported.");
+ return -EINVAL;
+}
+
+static int
+dummy_submit(__rte_unused void *dev_private, __rte_unused uint16_t vchan)
+{
+ RTE_DMA_LOG(ERR, "submit is not configured or not supported.");
+ return -EINVAL;
+}
+
+static uint16_t
+dummy_completed(__rte_unused void *dev_private, __rte_unused uint16_t vchan,
+ __rte_unused const uint16_t nb_cpls,
+ __rte_unused uint16_t *last_idx, __rte_unused bool *has_error)
+{
+ RTE_DMA_LOG(ERR, "completed is not configured or not supported.");
+ return 0;
+}
+
+static uint16_t
+dummy_completed_status(__rte_unused void *dev_private,
+ __rte_unused uint16_t vchan,
+ __rte_unused const uint16_t nb_cpls,
+ __rte_unused uint16_t *last_idx,
+ __rte_unused enum rte_dma_status_code *status)
+{
+ RTE_DMA_LOG(ERR,
+ "completed_status is not configured or not supported.");
+ return 0;
+}
+
+static uint16_t
+dummy_burst_capacity(__rte_unused const void *dev_private,
+ __rte_unused uint16_t vchan)
+{
+ RTE_DMA_LOG(ERR, "burst_capacity is not configured or not supported.");
+ return 0;
+}
+
+static void
+dma_fp_object_dummy(struct rte_dma_fp_object *obj)
+{
+ obj->dev_private = NULL;
+ obj->copy = dummy_copy;
+ obj->copy_sg = dummy_copy_sg;
+ obj->fill = dummy_fill;
+ obj->submit = dummy_submit;
+ obj->completed = dummy_completed;
+ obj->completed_status = dummy_completed_status;
+ obj->burst_capacity = dummy_burst_capacity;
+}
git.droids-corp.org / dpdk.git / blobdiff