#include <rte_alarm.h>
#include <rte_bus_pci.h>
#include <rte_cryptodev.h>
+#include <rte_cryptodev_pmd.h>
#include <rte_malloc.h>
#include "cpt_pmd_logs.h"
+#include "cpt_pmd_ops_helper.h"
+#include "cpt_ucode.h"
+#include "cpt_request_mgr.h"
#include "otx_cryptodev.h"
+#include "otx_cryptodev_capabilities.h"
#include "otx_cryptodev_hw_access.h"
#include "otx_cryptodev_ops.h"
+static int otx_cryptodev_probe_count;
+static rte_spinlock_t otx_probe_count_lock = RTE_SPINLOCK_INITIALIZER;
+
+static struct rte_mempool *otx_cpt_meta_pool;
+static int otx_cpt_op_mlen;
+static int otx_cpt_op_sb_mlen;
+
+/* Forward declarations */
+
+static int
+otx_cpt_que_pair_release(struct rte_cryptodev *dev, uint16_t que_pair_id);
+
+/*
+ * Initializes global variables used by fast-path code
+ *
+ * @return
+ * - 0 on success, errcode on error
+ */
+static int
+init_global_resources(void)
+{
+ /* Get meta len for scatter gather mode */
+ otx_cpt_op_mlen = cpt_pmd_ops_helper_get_mlen_sg_mode();
+
+ /* Extra 4B saved for future considerations */
+ otx_cpt_op_mlen += 4 * sizeof(uint64_t);
+
+ otx_cpt_meta_pool = rte_mempool_create("cpt_metabuf-pool", 4096 * 16,
+ otx_cpt_op_mlen, 512, 0,
+ NULL, NULL, NULL, NULL,
+ SOCKET_ID_ANY, 0);
+ if (!otx_cpt_meta_pool) {
+ CPT_LOG_ERR("cpt metabuf pool not created");
+ return -ENOMEM;
+ }
+
+ /* Get meta len for direct mode */
+ otx_cpt_op_sb_mlen = cpt_pmd_ops_helper_get_mlen_direct_mode();
+
+ /* Extra 4B saved for future considerations */
+ otx_cpt_op_sb_mlen += 4 * sizeof(uint64_t);
+
+ return 0;
+}
+
+void
+cleanup_global_resources(void)
+{
+ /* Take lock */
+ rte_spinlock_lock(&otx_probe_count_lock);
+
+ /* Decrement the cryptodev count */
+ otx_cryptodev_probe_count--;
+
+ /* Free buffers */
+ if (otx_cpt_meta_pool && otx_cryptodev_probe_count == 0)
+ rte_mempool_free(otx_cpt_meta_pool);
+
+ /* Free lock */
+ rte_spinlock_unlock(&otx_probe_count_lock);
+}
+
/* Alarm routines */
static void
otx_cpt_alarm_cb, arg);
}
+static int
+otx_cpt_periodic_alarm_stop(void *arg)
+{
+ return rte_eal_alarm_cancel(otx_cpt_alarm_cb, arg);
+}
+
+/* PMD ops */
+
+static int
+otx_cpt_dev_config(struct rte_cryptodev *dev __rte_unused,
+ struct rte_cryptodev_config *config __rte_unused)
+{
+ CPT_PMD_INIT_FUNC_TRACE();
+ return 0;
+}
+
+static int
+otx_cpt_dev_start(struct rte_cryptodev *c_dev)
+{
+ void *cptvf = c_dev->data->dev_private;
+
+ CPT_PMD_INIT_FUNC_TRACE();
+
+ return otx_cpt_start_device(cptvf);
+}
+
+static void
+otx_cpt_dev_stop(struct rte_cryptodev *c_dev)
+{
+ void *cptvf = c_dev->data->dev_private;
+
+ CPT_PMD_INIT_FUNC_TRACE();
+
+ otx_cpt_stop_device(cptvf);
+}
+
+static int
+otx_cpt_dev_close(struct rte_cryptodev *c_dev)
+{
+ void *cptvf = c_dev->data->dev_private;
+ int i, ret;
+
+ CPT_PMD_INIT_FUNC_TRACE();
+
+ for (i = 0; i < c_dev->data->nb_queue_pairs; i++) {
+ ret = otx_cpt_que_pair_release(c_dev, i);
+ if (ret)
+ return ret;
+ }
+
+ otx_cpt_periodic_alarm_stop(cptvf);
+ otx_cpt_deinit_device(cptvf);
+
+ return 0;
+}
+
+static void
+otx_cpt_dev_info_get(struct rte_cryptodev *dev, struct rte_cryptodev_info *info)
+{
+ CPT_PMD_INIT_FUNC_TRACE();
+ if (info != NULL) {
+ info->max_nb_queue_pairs = CPT_NUM_QS_PER_VF;
+ info->feature_flags = dev->feature_flags;
+ info->capabilities = otx_get_capabilities();
+ info->sym.max_nb_sessions = 0;
+ info->driver_id = otx_cryptodev_driver_id;
+ info->min_mbuf_headroom_req = OTX_CPT_MIN_HEADROOM_REQ;
+ info->min_mbuf_tailroom_req = OTX_CPT_MIN_TAILROOM_REQ;
+ }
+}
+
+static void
+otx_cpt_stats_get(struct rte_cryptodev *dev __rte_unused,
+ struct rte_cryptodev_stats *stats __rte_unused)
+{
+ CPT_PMD_INIT_FUNC_TRACE();
+}
+
+static void
+otx_cpt_stats_reset(struct rte_cryptodev *dev __rte_unused)
+{
+ CPT_PMD_INIT_FUNC_TRACE();
+}
+
+static int
+otx_cpt_que_pair_setup(struct rte_cryptodev *dev,
+ uint16_t que_pair_id,
+ const struct rte_cryptodev_qp_conf *qp_conf,
+ int socket_id __rte_unused,
+ struct rte_mempool *session_pool __rte_unused)
+{
+ void *cptvf = dev->data->dev_private;
+ struct cpt_instance *instance = NULL;
+ struct rte_pci_device *pci_dev;
+ int ret = -1;
+
+ CPT_PMD_INIT_FUNC_TRACE();
+
+ if (dev->data->queue_pairs[que_pair_id] != NULL) {
+ ret = otx_cpt_que_pair_release(dev, que_pair_id);
+ if (ret)
+ return ret;
+ }
+
+ if (qp_conf->nb_descriptors > DEFAULT_CMD_QLEN) {
+ CPT_LOG_INFO("Number of descriptors too big %d, using default "
+ "queue length of %d", qp_conf->nb_descriptors,
+ DEFAULT_CMD_QLEN);
+ }
+
+ pci_dev = RTE_DEV_TO_PCI(dev->device);
+
+ if (pci_dev->mem_resource[0].addr == NULL) {
+ CPT_LOG_ERR("PCI mem address null");
+ return -EIO;
+ }
+
+ ret = otx_cpt_get_resource(cptvf, 0, &instance);
+ if (ret != 0) {
+ CPT_LOG_ERR("Error getting instance handle from device %s : "
+ "ret = %d", dev->data->name, ret);
+ return ret;
+ }
+
+ instance->queue_id = que_pair_id;
+ dev->data->queue_pairs[que_pair_id] = instance;
+
+ return 0;
+}
+
+static int
+otx_cpt_que_pair_release(struct rte_cryptodev *dev, uint16_t que_pair_id)
+{
+ struct cpt_instance *instance = dev->data->queue_pairs[que_pair_id];
+ int ret;
+
+ CPT_PMD_INIT_FUNC_TRACE();
+
+ ret = otx_cpt_put_resource(instance);
+ if (ret != 0) {
+ CPT_LOG_ERR("Error putting instance handle of device %s : "
+ "ret = %d", dev->data->name, ret);
+ return ret;
+ }
+
+ dev->data->queue_pairs[que_pair_id] = NULL;
+
+ return 0;
+}
+
+static unsigned int
+otx_cpt_get_session_size(struct rte_cryptodev *dev __rte_unused)
+{
+ return cpt_get_session_size();
+}
+
+static void
+otx_cpt_session_init(void *sym_sess, uint8_t driver_id)
+{
+ struct rte_cryptodev_sym_session *sess = sym_sess;
+ struct cpt_sess_misc *cpt_sess =
+ (struct cpt_sess_misc *) get_sym_session_private_data(sess, driver_id);
+
+ CPT_PMD_INIT_FUNC_TRACE();
+ cpt_sess->ctx_dma_addr = rte_mempool_virt2iova(cpt_sess) +
+ sizeof(struct cpt_sess_misc);
+}
+
+static int
+otx_cpt_session_cfg(struct rte_cryptodev *dev,
+ struct rte_crypto_sym_xform *xform,
+ struct rte_cryptodev_sym_session *sess,
+ struct rte_mempool *mempool)
+{
+ struct rte_crypto_sym_xform *chain;
+ void *sess_private_data = NULL;
+
+ CPT_PMD_INIT_FUNC_TRACE();
+
+ if (cpt_is_algo_supported(xform))
+ goto err;
+
+ if (unlikely(sess == NULL)) {
+ CPT_LOG_ERR("invalid session struct");
+ return -EINVAL;
+ }
+
+ if (rte_mempool_get(mempool, &sess_private_data)) {
+ CPT_LOG_ERR("Could not allocate sess_private_data");
+ return -ENOMEM;
+ }
+
+ chain = xform;
+ while (chain) {
+ switch (chain->type) {
+ default:
+ CPT_LOG_ERR("Invalid crypto xform type");
+ break;
+ }
+ chain = chain->next;
+ }
+ set_sym_session_private_data(sess, dev->driver_id, sess_private_data);
+ otx_cpt_session_init(sess, dev->driver_id);
+ return 0;
+
+err:
+ if (sess_private_data)
+ rte_mempool_put(mempool, sess_private_data);
+ return -EPERM;
+}
+
+static void
+otx_cpt_session_clear(struct rte_cryptodev *dev,
+ struct rte_cryptodev_sym_session *sess)
+{
+ void *sess_priv = get_sym_session_private_data(sess, dev->driver_id);
+
+ CPT_PMD_INIT_FUNC_TRACE();
+ if (sess_priv) {
+ memset(sess_priv, 0, otx_cpt_get_session_size(dev));
+ struct rte_mempool *sess_mp = rte_mempool_from_obj(sess_priv);
+ set_sym_session_private_data(sess, dev->driver_id, NULL);
+ rte_mempool_put(sess_mp, sess_priv);
+ }
+}
+
+static struct rte_cryptodev_ops cptvf_ops = {
+ /* Device related operations */
+ .dev_configure = otx_cpt_dev_config,
+ .dev_start = otx_cpt_dev_start,
+ .dev_stop = otx_cpt_dev_stop,
+ .dev_close = otx_cpt_dev_close,
+ .dev_infos_get = otx_cpt_dev_info_get,
+
+ .stats_get = otx_cpt_stats_get,
+ .stats_reset = otx_cpt_stats_reset,
+ .queue_pair_setup = otx_cpt_que_pair_setup,
+ .queue_pair_release = otx_cpt_que_pair_release,
+ .queue_pair_count = NULL,
+
+ /* Crypto related operations */
+ .sym_session_get_size = otx_cpt_get_session_size,
+ .sym_session_configure = otx_cpt_session_cfg,
+ .sym_session_clear = otx_cpt_session_clear
+};
+
+static void
+otx_cpt_common_vars_init(struct cpt_vf *cptvf)
+{
+ cptvf->meta_info.cptvf_meta_pool = otx_cpt_meta_pool;
+ cptvf->meta_info.cptvf_op_mlen = otx_cpt_op_mlen;
+ cptvf->meta_info.cptvf_op_sb_mlen = otx_cpt_op_sb_mlen;
+}
+
int
otx_cpt_dev_create(struct rte_cryptodev *c_dev)
{
/* Start off timer for mailbox interrupts */
otx_cpt_periodic_alarm_start(cptvf);
- c_dev->dev_ops = NULL;
+ rte_spinlock_lock(&otx_probe_count_lock);
+ if (!otx_cryptodev_probe_count) {
+ ret = init_global_resources();
+ if (ret) {
+ rte_spinlock_unlock(&otx_probe_count_lock);
+ goto init_fail;
+ }
+ }
+ otx_cryptodev_probe_count++;
+ rte_spinlock_unlock(&otx_probe_count_lock);
+
+ /* Initialize data path variables used by common code */
+ otx_cpt_common_vars_init(cptvf);
+
+ c_dev->dev_ops = &cptvf_ops;
c_dev->enqueue_burst = NULL;
c_dev->dequeue_burst = NULL;
return 0;
+init_fail:
+ otx_cpt_periodic_alarm_stop(cptvf);
+ otx_cpt_deinit_device(cptvf);
+
fail:
if (cptvf) {
/* Free private data allocated */
git.droids-corp.org / dpdk.git / blobdiff