#define QAT_PMD_COMP_SGL_DEF_SEGMENTS 16
+struct qat_comp_gen_dev_ops qat_comp_gen_dev_ops[QAT_N_GENS];
+
struct stream_create_info {
struct qat_comp_dev_private *comp_dev;
int socket_id;
int error;
};
-static const struct rte_compressdev_capabilities qat_comp_gen_capabilities[] = {
- {/* COMPRESSION - deflate */
- .algo = RTE_COMP_ALGO_DEFLATE,
- .comp_feature_flags = RTE_COMP_FF_MULTI_PKT_CHECKSUM |
- RTE_COMP_FF_CRC32_CHECKSUM |
- RTE_COMP_FF_ADLER32_CHECKSUM |
- RTE_COMP_FF_CRC32_ADLER32_CHECKSUM |
- RTE_COMP_FF_SHAREABLE_PRIV_XFORM |
- RTE_COMP_FF_HUFFMAN_FIXED |
- RTE_COMP_FF_HUFFMAN_DYNAMIC |
- RTE_COMP_FF_OOP_SGL_IN_SGL_OUT |
- RTE_COMP_FF_OOP_SGL_IN_LB_OUT |
- RTE_COMP_FF_OOP_LB_IN_SGL_OUT |
- RTE_COMP_FF_STATEFUL_DECOMPRESSION,
- .window_size = {.min = 15, .max = 15, .increment = 0} },
- {RTE_COMP_ALGO_LIST_END, 0, {0, 0, 0} } };
+static struct
+qat_comp_capabilities_info qat_comp_get_capa_info(
+ enum qat_device_gen qat_dev_gen, struct qat_pci_device *qat_dev)
+{
+ struct qat_comp_capabilities_info ret = { .data = NULL, .size = 0 };
-static void
+ if (qat_dev_gen >= QAT_N_GENS)
+ return ret;
+ RTE_FUNC_PTR_OR_ERR_RET(qat_comp_gen_dev_ops[qat_dev_gen]
+ .qat_comp_get_capabilities, ret);
+ return qat_comp_gen_dev_ops[qat_dev_gen]
+ .qat_comp_get_capabilities(qat_dev);
+}
+
+void
qat_comp_stats_get(struct rte_compressdev *dev,
struct rte_compressdev_stats *stats)
{
stats->dequeue_err_count = qat_stats.dequeue_err_count;
}
-static void
+void
qat_comp_stats_reset(struct rte_compressdev *dev)
{
struct qat_comp_dev_private *qat_priv;
}
-static int
+int
qat_comp_qp_release(struct rte_compressdev *dev, uint16_t queue_pair_id)
{
struct qat_comp_dev_private *qat_private = dev->data->dev_private;
&(dev->data->queue_pairs[queue_pair_id]));
}
-static int
+int
qat_comp_qp_setup(struct rte_compressdev *dev, uint16_t qp_id,
- uint32_t max_inflight_ops, int socket_id)
+ uint32_t max_inflight_ops, int socket_id)
{
- struct qat_qp *qp;
- int ret = 0;
- uint32_t i;
- struct qat_qp_config qat_qp_conf;
-
+ struct qat_qp_config qat_qp_conf = {0};
struct qat_qp **qp_addr =
(struct qat_qp **)&(dev->data->queue_pairs[qp_id]);
struct qat_comp_dev_private *qat_private = dev->data->dev_private;
struct qat_pci_device *qat_dev = qat_private->qat_dev;
- const struct qat_qp_hw_data *comp_hw_qps =
- qat_gen_config[qat_private->qat_dev->qat_dev_gen]
- .qp_hw_data[QAT_SERVICE_COMPRESSION];
- const struct qat_qp_hw_data *qp_hw_data = comp_hw_qps + qp_id;
+ struct qat_qp *qp;
+ uint32_t i;
+ int ret;
/* If qp is already in use free ring memory and qp metadata. */
if (*qp_addr != NULL) {
return -EINVAL;
}
- qat_qp_conf.hw = qp_hw_data;
+
+ qat_qp_conf.hw = qat_qp_get_hw_data(qat_dev, QAT_SERVICE_COMPRESSION,
+ qp_id);
+ if (qat_qp_conf.hw == NULL) {
+ QAT_LOG(ERR, "qp_id %u invalid for this device", qp_id);
+ return -EINVAL;
+ }
qat_qp_conf.cookie_size = sizeof(struct qat_comp_op_cookie);
qat_qp_conf.nb_descriptors = max_inflight_ops;
qat_qp_conf.socket_id = socket_id;
ret = qat_qp_setup(qat_private->qat_dev, qp_addr, qp_id, &qat_qp_conf);
if (ret != 0)
return ret;
-
/* store a link to the qp in the qat_pci_device */
qat_private->qat_dev->qps_in_use[QAT_SERVICE_COMPRESSION][qp_id]
= *qp_addr;
#define QAT_IM_BUFFER_DEBUG 0
-static const struct rte_memzone *
+const struct rte_memzone *
qat_comp_setup_inter_buffers(struct qat_comp_dev_private *comp_dev,
uint32_t buff_size)
{
uint32_t full_size;
uint32_t offset_of_flat_buffs;
int i;
- int num_im_sgls = qat_gen_config[
- comp_dev->qat_dev->qat_dev_gen].comp_num_im_bufs_required;
+ int num_im_sgls = qat_comp_get_num_im_bufs_required(
+ comp_dev->qat_dev->qat_dev_gen);
QAT_LOG(DEBUG, "QAT COMP device %s needs %d sgls",
comp_dev->qat_dev->name, num_im_sgls);
/* Free intermediate buffers */
if (comp_dev->interm_buff_mz) {
char mz_name[RTE_MEMZONE_NAMESIZE];
- int i = qat_gen_config[
- comp_dev->qat_dev->qat_dev_gen].comp_num_im_bufs_required;
+ int i = qat_comp_get_num_im_bufs_required(
+ comp_dev->qat_dev->qat_dev_gen);
while (--i >= 0) {
snprintf(mz_name, RTE_MEMZONE_NAMESIZE,
}
}
-static int
+int
qat_comp_dev_config(struct rte_compressdev *dev,
struct rte_compressdev_config *config)
{
struct qat_comp_dev_private *comp_dev = dev->data->dev_private;
int ret = 0;
- if (RTE_PMD_QAT_COMP_IM_BUFFER_SIZE == 0) {
- QAT_LOG(WARNING,
- "RTE_PMD_QAT_COMP_IM_BUFFER_SIZE = 0 in config file, so"
- " QAT device can't be used for Dynamic Deflate. "
- "Did you really intend to do this?");
- } else {
- comp_dev->interm_buff_mz =
- qat_comp_setup_inter_buffers(comp_dev,
- RTE_PMD_QAT_COMP_IM_BUFFER_SIZE);
- if (comp_dev->interm_buff_mz == NULL) {
- ret = -ENOMEM;
- goto error_out;
- }
- }
-
if (config->max_nb_priv_xforms) {
comp_dev->xformpool = qat_comp_create_xform_pool(comp_dev,
config, config->max_nb_priv_xforms);
return ret;
}
-static int
+int
qat_comp_dev_start(struct rte_compressdev *dev __rte_unused)
{
return 0;
}
-static void
+void
qat_comp_dev_stop(struct rte_compressdev *dev __rte_unused)
{
}
-static int
+int
qat_comp_dev_close(struct rte_compressdev *dev)
{
int i;
return ret;
}
-
-static void
+void
qat_comp_dev_info_get(struct rte_compressdev *dev,
struct rte_compressdev_info *info)
{
return ret;
}
-static struct rte_compressdev_ops compress_qat_ops = {
-
- /* Device related operations */
- .dev_configure = qat_comp_dev_config,
- .dev_start = qat_comp_dev_start,
- .dev_stop = qat_comp_dev_stop,
- .dev_close = qat_comp_dev_close,
- .dev_infos_get = qat_comp_dev_info_get,
-
- .stats_get = qat_comp_stats_get,
- .stats_reset = qat_comp_stats_reset,
- .queue_pair_setup = qat_comp_qp_setup,
- .queue_pair_release = qat_comp_qp_release,
-
- /* Compression related operations */
- .private_xform_create = qat_comp_private_xform_create,
- .private_xform_free = qat_comp_private_xform_free,
- .stream_create = qat_comp_stream_create,
- .stream_free = qat_comp_stream_free
-};
-
/* An rte_driver is needed in the registration of the device with compressdev.
* The actual qat pci's rte_driver can't be used as its name represents
* the whole pci device with all services. Think of this as a holder for a name
.name = qat_comp_drv_name,
.alias = qat_comp_drv_name
};
+
int
qat_comp_dev_create(struct qat_pci_device *qat_pci_dev,
struct qat_dev_cmd_param *qat_dev_cmd_param)
char capa_memz_name[RTE_COMPRESSDEV_NAME_MAX_LEN];
struct rte_compressdev *compressdev;
struct qat_comp_dev_private *comp_dev;
+ struct qat_comp_capabilities_info capabilities_info;
const struct rte_compressdev_capabilities *capabilities;
+ const struct qat_comp_gen_dev_ops *qat_comp_gen_ops =
+ &qat_comp_gen_dev_ops[qat_pci_dev->qat_dev_gen];
uint64_t capa_size;
- if (qat_pci_dev->qat_dev_gen == QAT_GEN4) {
- QAT_LOG(ERR, "Compression PMD not supported on QAT 4xxx");
- return -EFAULT;
- }
snprintf(name, RTE_COMPRESSDEV_NAME_MAX_LEN, "%s_%s",
qat_pci_dev->name, "comp");
QAT_LOG(DEBUG, "Creating QAT COMP device %s", name);
+ if (qat_comp_gen_ops->compressdev_ops == NULL) {
+ QAT_LOG(DEBUG, "Device %s does not support compression", name);
+ return -ENOTSUP;
+ }
+
/* Populate subset device to use in compressdev device creation */
qat_dev_instance->comp_rte_dev.driver = &compdev_qat_driver;
qat_dev_instance->comp_rte_dev.numa_node =
if (compressdev == NULL)
return -ENODEV;
- compressdev->dev_ops = &compress_qat_ops;
+ compressdev->dev_ops = qat_comp_gen_ops->compressdev_ops;
compressdev->enqueue_burst = (compressdev_enqueue_pkt_burst_t)
qat_enqueue_comp_op_burst;
compressdev->dequeue_burst = qat_comp_pmd_dequeue_first_op_burst;
-
- compressdev->feature_flags = RTE_COMPDEV_FF_HW_ACCELERATED;
+ compressdev->feature_flags =
+ qat_comp_gen_ops->qat_comp_get_feature_flags();
if (rte_eal_process_type() != RTE_PROC_PRIMARY)
return 0;
comp_dev->qat_dev = qat_pci_dev;
comp_dev->compressdev = compressdev;
- switch (qat_pci_dev->qat_dev_gen) {
- case QAT_GEN1:
- case QAT_GEN2:
- case QAT_GEN3:
- capabilities = qat_comp_gen_capabilities;
- capa_size = sizeof(qat_comp_gen_capabilities);
- break;
- default:
- capabilities = qat_comp_gen_capabilities;
- capa_size = sizeof(qat_comp_gen_capabilities);
+ capabilities_info = qat_comp_get_capa_info(qat_pci_dev->qat_dev_gen,
+ qat_pci_dev);
+
+ if (capabilities_info.data == NULL) {
QAT_LOG(DEBUG,
"QAT gen %d capabilities unknown, default to GEN1",
qat_pci_dev->qat_dev_gen);
- break;
+ capabilities_info = qat_comp_get_capa_info(QAT_GEN1,
+ qat_pci_dev);
}
+ capabilities = capabilities_info.data;
+ capa_size = capabilities_info.size;
+
comp_dev->capa_mz = rte_memzone_lookup(capa_memz_name);
if (comp_dev->capa_mz == NULL) {
comp_dev->capa_mz = rte_memzone_reserve(capa_memz_name,
git.droids-corp.org / dpdk.git / blobdiff