From: Anoob Joseph <ano...@marvell.com>
Add PMD API for CPTR read and write.
Signed-off-by: Anoob Joseph <ano...@marvell.com>
---
drivers/crypto/cnxk/cnxk_cryptodev_ops.c | 71 +++++++++++++++++++++++
drivers/crypto/cnxk/rte_pmd_cnxk_crypto.h | 52 +++++++++++++++++
drivers/crypto/cnxk/version.map | 2 +
3 files changed, 125 insertions(+)
diff --git a/drivers/crypto/cnxk/cnxk_cryptodev_ops.c
b/drivers/crypto/cnxk/cnxk_cryptodev_ops.c
index ccb800730c..a7d58a5445 100644
--- a/drivers/crypto/cnxk/cnxk_cryptodev_ops.c
+++ b/drivers/crypto/cnxk/cnxk_cryptodev_ops.c
@@ -2,6 +2,7 @@
* Copyright(C) 2021 Marvell.
*/
+#include <rte_atomic.h>
#include <rte_cryptodev.h>
#include <cryptodev_pmd.h>
#include <rte_errno.h>
@@ -1090,3 +1091,73 @@ rte_pmd_cnxk_crypto_cptr_get(struct
rte_pmd_cnxk_crypto_sess *rte_sess)
plt_err("Invalid session type");
return NULL;
}
+
+int
+rte_pmd_cnxk_crypto_cptr_read(struct rte_pmd_cnxk_crypto_qptr *qptr,
+ struct rte_pmd_cnxk_crypto_cptr *cptr, void
*data, uint32_t len)
+{
+ struct cnxk_cpt_qp *qp = PLT_PTR_CAST(qptr);
+ int ret;
+
+ if (unlikely(qptr == NULL)) {
+ plt_err("Invalid queue pair pointer");
+ return -EINVAL;
+ }
+
+ if (unlikely(cptr == NULL)) {
+ plt_err("Invalid CPTR pointer");
+ return -EINVAL;
+ }
+
+ if (unlikely(data == NULL)) {
+ plt_err("Invalid data pointer");
+ return -EINVAL;
+ }
+
+ ret = roc_cpt_lf_ctx_flush(&qp->lf, cptr, false);
+ if (ret)
+ return ret;
+
+ /* Wait for the flush to complete. */
+ rte_delay_ms(1);
+
+ memcpy(data, cptr, len);
+ return 0;
+}
+
+int
+rte_pmd_cnxk_crypto_cptr_write(struct rte_pmd_cnxk_crypto_qptr *qptr,
+ struct rte_pmd_cnxk_crypto_cptr *cptr, void
*data, uint32_t len)
+{
+ struct cnxk_cpt_qp *qp = PLT_PTR_CAST(qptr);
+ int ret;
+
+ if (unlikely(qptr == NULL)) {
+ plt_err("Invalid queue pair pointer");
+ return -EINVAL;
+ }
+
+ if (unlikely(cptr == NULL)) {
+ plt_err("Invalid CPTR pointer");
+ return -EINVAL;
+ }
+
+ if (unlikely(data == NULL)) {
+ plt_err("Invalid data pointer");
+ return -EINVAL;
+ }
+
+ ret = roc_cpt_ctx_write(&qp->lf, data, cptr, len);
+ if (ret) {
+ plt_err("Could not write to CPTR");
+ return ret;
+ }
+
+ ret = roc_cpt_lf_ctx_flush(&qp->lf, cptr, false);
+ if (ret)
+ return ret;
+
+ rte_atomic_thread_fence(rte_memory_order_seq_cst);
+
+ return 0;
+}
diff --git a/drivers/crypto/cnxk/rte_pmd_cnxk_crypto.h
b/drivers/crypto/cnxk/rte_pmd_cnxk_crypto.h
index 7a7d20c290..454261022b 100644
--- a/drivers/crypto/cnxk/rte_pmd_cnxk_crypto.h
+++ b/drivers/crypto/cnxk/rte_pmd_cnxk_crypto.h
@@ -124,4 +124,56 @@ __rte_experimental
struct rte_pmd_cnxk_crypto_cptr *rte_pmd_cnxk_crypto_cptr_get(
struct rte_pmd_cnxk_crypto_sess *rte_sess);
+/**
+ * Read HW context (CPTR).
+ *
+ * @param qptr
+ * Pointer obtained with ``rte_pmd_cnxk_crypto_qptr_get``.
+ * @param cptr
+ * Pointer obtained with ``rte_pmd_cnxk_crypto_cptr_get`` or any valid CPTR
address that can be
+ * used with CPT CTX cache.
+ * @param[out] data
+ * Destination pointer to copy CPTR context for application.
+ * @param len
+ * Length of CPTR context to copy into data parameter.
+ *
+ * @return
+ * - 0 On success.
+ * - Negative value on error.
+ * - -EINVAL if the input parameters are invalid.
+ * - -ENOTSUP if the operation is not supported.
+ * - -EAGAIN if the operation is not successful.
+ * - -EFAULT if the operation failed.
+ */
+__rte_experimental
+int rte_pmd_cnxk_crypto_cptr_read(struct rte_pmd_cnxk_crypto_qptr *qptr,
+ struct rte_pmd_cnxk_crypto_cptr *cptr, void
*data,
+ uint32_t len);
+
+/**
+ * Write HW context (CPTR).
+ *
+ * @param qptr
+ * Pointer obtained with ``rte_pmd_cnxk_crypto_qptr_get``.
+ * @param cptr
+ * Pointer obtained with ``rte_pmd_cnxk_crypto_cptr_get`` or any valid CPTR
address that can be
+ * used with CPT CTX cache.
+ * @param data
+ * Source pointer to copy CPTR context from application.
+ * @param len
+ * Length of CPTR context to copy from data parameter.
+ *
+ * @return
+ * - 0 On success.
+ * - Negative value on error.
+ * - -EINVAL if the input parameters are invalid.
+ * - -ENOTSUP if the operation is not supported.
+ * - -EAGAIN if the operation is not successful.
+ * - -EFAULT if the operation failed.
+ */
+__rte_experimental
+int rte_pmd_cnxk_crypto_cptr_write(struct rte_pmd_cnxk_crypto_qptr *qptr,
+ struct rte_pmd_cnxk_crypto_cptr *cptr, void
*data,
+ uint32_t len);
+
#endif /* _PMD_CNXK_CRYPTO_H_ */
diff --git a/drivers/crypto/cnxk/version.map b/drivers/crypto/cnxk/version.map
index 7a8122dc1d..6e51f7be1a 100644
--- a/drivers/crypto/cnxk/version.map
+++ b/drivers/crypto/cnxk/version.map
@@ -8,6 +8,8 @@ EXPERIMENTAL {
# added in 24.07
rte_pmd_cnxk_crypto_cptr_flush;
rte_pmd_cnxk_crypto_cptr_get;
+ rte_pmd_cnxk_crypto_cptr_read;
+ rte_pmd_cnxk_crypto_cptr_write;
};
INTERNAL {
--
2.25.1
