Added APIs rte_pmd_rvu_lf_msg_handler_register()
and rte_pmd_rvu_lf_msg_handler_unregister() to register/unregister
mailbox message handlers. These handlers are needed to fill
response at the other side for the request sent from one side.
Signed-off-by: Akhil Goyal <gak...@marvell.com>
---
doc/guides/rawdevs/cnxk_rvu_lf.rst | 10 ++++
drivers/common/cnxk/roc_dev_priv.h | 6 +++
drivers/common/cnxk/roc_rvu_lf.c | 25 ++++++++++
drivers/common/cnxk/roc_rvu_lf.h | 7 +++
drivers/common/cnxk/version.map | 2 +
drivers/raw/cnxk_rvu_lf/cnxk_rvu_lf.c | 28 +++++++++++
drivers/raw/cnxk_rvu_lf/cnxk_rvu_lf_driver.h | 49 ++++++++++++++++++++
drivers/raw/cnxk_rvu_lf/version.map | 2 +
8 files changed, 129 insertions(+)
diff --git a/doc/guides/rawdevs/cnxk_rvu_lf.rst
b/doc/guides/rawdevs/cnxk_rvu_lf.rst
index 4a0ce5654b..3c1856fc6e 100644
--- a/doc/guides/rawdevs/cnxk_rvu_lf.rst
+++ b/doc/guides/rawdevs/cnxk_rvu_lf.rst
@@ -18,6 +18,7 @@ The RVU LF device implements following features in the rawdev
API:
- Get PF FUNC of associated NPA and SSO devices.
- Register/unregister interrupt handlers.
+- Register/unregister mailbox callbacks for the other side to process
mailboxes.
Limitations
-----------
@@ -51,3 +52,12 @@ Out of tree drivers can register interrupt handlers using
``rte_pmd_rvu_lf_irq_r
or remove interrupt handler using ``rte_pmd_rvu_lf_irq_unregister()``.
The irq numbers for which the interrupts are registered is negotiated
separately
and is not in scope of the driver.
+
+RVU LF RAW MESSAGE PROCESSING
+-----------------------------
+
+For processing of mailboxes received on RVU PF/VF application, out of tree
+drivers can register/unregister callbacks using
``rte_pmd_rvu_lf_msg_handler_register()``
+and ``rte_pmd_rvu_lf_msg_handler_unregister()``.
+Required responses as per the request and message id received can be filled
+in the callbacks.
diff --git a/drivers/common/cnxk/roc_dev_priv.h
b/drivers/common/cnxk/roc_dev_priv.h
index dd4949b32c..c766183196 100644
--- a/drivers/common/cnxk/roc_dev_priv.h
+++ b/drivers/common/cnxk/roc_dev_priv.h
@@ -46,11 +46,17 @@ typedef void (*link_status_get_t)(void *roc_nix,
/* Representee notification callback */
typedef int (*repte_notify_t)(void *roc_nix, void *notify_msg);
+/* RVU Message process callback */
+typedef int (*msg_process_cb_t)(uint16_t vf, uint16_t msg_id,
+ void *req, uint16_t req_len,
+ void **rsp, uint16_t *rsp_len);
+
struct dev_ops {
link_info_t link_status_update;
ptp_info_t ptp_info_update;
link_status_get_t link_status_get;
q_err_cb_t q_err_cb;
+ msg_process_cb_t msg_process_cb;
repte_notify_t repte_notify;
};
diff --git a/drivers/common/cnxk/roc_rvu_lf.c b/drivers/common/cnxk/roc_rvu_lf.c
index 63bc149f2a..2e1be81e52 100644
--- a/drivers/common/cnxk/roc_rvu_lf.c
+++ b/drivers/common/cnxk/roc_rvu_lf.c
@@ -87,3 +87,28 @@ roc_rvu_lf_irq_unregister(struct roc_rvu_lf *roc_rvu_lf,
unsigned int irq,
return 0;
}
+
+int
+roc_rvu_lf_msg_handler_register(struct roc_rvu_lf *roc_rvu_lf,
roc_rvu_lf_msg_handler_cb_fn cb)
+{
+ struct rvu_lf *rvu = roc_rvu_lf_to_rvu_priv(roc_rvu_lf);
+ struct dev *dev = &rvu->dev;
+
+ if (cb == NULL)
+ return -EINVAL;
+
+ dev->ops->msg_process_cb = (msg_process_cb_t)cb;
+
+ return 0;
+}
+
+int
+roc_rvu_lf_msg_handler_unregister(struct roc_rvu_lf *roc_rvu_lf)
+{
+ struct rvu_lf *rvu = roc_rvu_lf_to_rvu_priv(roc_rvu_lf);
+ struct dev *dev = &rvu->dev;
+
+ dev->ops->msg_process_cb = NULL;
+
+ return 0;
+}
diff --git a/drivers/common/cnxk/roc_rvu_lf.h b/drivers/common/cnxk/roc_rvu_lf.h
index 800bf4e674..90a0b5690a 100644
--- a/drivers/common/cnxk/roc_rvu_lf.h
+++ b/drivers/common/cnxk/roc_rvu_lf.h
@@ -22,8 +22,15 @@ int __roc_api roc_rvu_lf_dev_init(struct roc_rvu_lf
*roc_rvu_lf);
int __roc_api roc_rvu_lf_dev_fini(struct roc_rvu_lf *roc_rvu_lf);
typedef void (*roc_rvu_lf_intr_cb_fn)(void *cb_arg);
+typedef int (*roc_rvu_lf_msg_handler_cb_fn)(uint16_t vf, uint16_t msg_id,
+ void *req, uint16_t req_len,
+ void **rsp, uint16_t *rsp_len);
+
int __roc_api roc_rvu_lf_irq_register(struct roc_rvu_lf *roc_rvu_lf, unsigned
int irq,
roc_rvu_lf_intr_cb_fn cb, void *cb_arg);
int __roc_api roc_rvu_lf_irq_unregister(struct roc_rvu_lf *roc_rvu_lf,
unsigned int irq,
roc_rvu_lf_intr_cb_fn cb, void *cb_arg);
+int __roc_api roc_rvu_lf_msg_handler_register(struct roc_rvu_lf *roc_rvu_lf,
+ roc_rvu_lf_msg_handler_cb_fn cb);
+int __roc_api roc_rvu_lf_msg_handler_unregister(struct roc_rvu_lf *roc_rvu_lf);
#endif /* _ROC_RVU_LF_H_ */
diff --git a/drivers/common/cnxk/version.map b/drivers/common/cnxk/version.map
index 174a953f6f..bc37f9ecd2 100644
--- a/drivers/common/cnxk/version.map
+++ b/drivers/common/cnxk/version.map
@@ -554,5 +554,7 @@ INTERNAL {
roc_rvu_lf_dev_init;
roc_rvu_lf_irq_register;
roc_rvu_lf_irq_unregister;
+ roc_rvu_lf_msg_handler_register;
+ roc_rvu_lf_msg_handler_unregister;
local: *;
};
diff --git a/drivers/raw/cnxk_rvu_lf/cnxk_rvu_lf.c
b/drivers/raw/cnxk_rvu_lf/cnxk_rvu_lf.c
index c108931f97..29ab738392 100644
--- a/drivers/raw/cnxk_rvu_lf/cnxk_rvu_lf.c
+++ b/drivers/raw/cnxk_rvu_lf/cnxk_rvu_lf.c
@@ -16,6 +16,34 @@
#include "cnxk_rvu_lf.h"
#include "cnxk_rvu_lf_driver.h"
+int
+rte_pmd_rvu_lf_msg_handler_register(uint8_t dev_id,
rte_pmd_rvu_lf_msg_handler_cb_fn cb)
+{
+ struct rte_rawdev *rawdev = rte_rawdev_pmd_get_dev(dev_id);
+ struct roc_rvu_lf *roc_rvu_lf;
+
+ if (rawdev == NULL)
+ return -EINVAL;
+
+ roc_rvu_lf = (struct roc_rvu_lf *)rawdev->dev_private;
+
+ return roc_rvu_lf_msg_handler_register(roc_rvu_lf,
(roc_rvu_lf_msg_handler_cb_fn)cb);
+}
+
+int
+rte_pmd_rvu_lf_msg_handler_unregister(uint8_t dev_id)
+{
+ struct rte_rawdev *rawdev = rte_rawdev_pmd_get_dev(dev_id);
+ struct roc_rvu_lf *roc_rvu_lf;
+
+ if (rawdev == NULL)
+ return -EINVAL;
+
+ roc_rvu_lf = (struct roc_rvu_lf *)rawdev->dev_private;
+
+ return roc_rvu_lf_msg_handler_unregister(roc_rvu_lf);
+}
+
int
rte_pmd_rvu_lf_irq_register(uint8_t dev_id, unsigned int irq,
rte_pmd_rvu_lf_intr_callback_fn cb, void *data)
diff --git a/drivers/raw/cnxk_rvu_lf/cnxk_rvu_lf_driver.h
b/drivers/raw/cnxk_rvu_lf/cnxk_rvu_lf_driver.h
index b315b2c61e..15320e55ba 100644
--- a/drivers/raw/cnxk_rvu_lf/cnxk_rvu_lf_driver.h
+++ b/drivers/raw/cnxk_rvu_lf/cnxk_rvu_lf_driver.h
@@ -88,6 +88,55 @@ __rte_internal
int rte_pmd_rvu_lf_irq_unregister(uint8_t dev_id, unsigned int irq,
rte_pmd_rvu_lf_intr_callback_fn cb, void
*cb_arg);
+/**
+ * Signature of callback function called when a message process handler is
called
+ * on RVU LF device.
+ *
+ * @param vf
+ * VF number(0 to N) from which message is received (ignored in case of PF)
+ * @param msg_id
+ * message id
+ * @param req
+ * pointer to message request
+ * @param req_len
+ * pointer to message request
+ * @param[out] rsp
+ * pointer to message response
+ * @param[out] rsp_len
+ * length of message response
+ *
+ * @return 0 when response is set, negative value otherwise
+ */
+typedef int (*rte_pmd_rvu_lf_msg_handler_cb_fn)(uint16_t vf, uint16_t msg_id,
+ void *req, uint16_t req_len,
+ void **rsp, uint16_t *rsp_len);
+
+/**
+ * Register message handler callback
+ *
+ * Registers message handler callback to be executed when the message is
received from peer.
+ *
+ * @param dev_id
+ * device id of RVU LF device
+ * @param cb
+ * callback function to be executed
+ *
+ * @return 0 on success, negative value otherwise
+ */
+__rte_internal
+int rte_pmd_rvu_lf_msg_handler_register(uint8_t dev_id,
rte_pmd_rvu_lf_msg_handler_cb_fn cb);
+
+/**
+ * Unregister message handler callback
+ *
+ * @param dev_id
+ * device id of RVU LF device
+ *
+ * @return 0 on success, negative value otherwise
+ */
+__rte_internal
+int rte_pmd_rvu_lf_msg_handler_unregister(uint8_t dev_id);
+
#ifdef __cplusplus
}
#endif
diff --git a/drivers/raw/cnxk_rvu_lf/version.map
b/drivers/raw/cnxk_rvu_lf/version.map
index a2e8a2c9b3..fcbb2545ea 100644
--- a/drivers/raw/cnxk_rvu_lf/version.map
+++ b/drivers/raw/cnxk_rvu_lf/version.map
@@ -3,6 +3,8 @@ INTERNAL {
rte_pmd_rvu_lf_irq_register;
rte_pmd_rvu_lf_irq_unregister;
+ rte_pmd_rvu_lf_msg_handler_register;
+ rte_pmd_rvu_lf_msg_handler_unregister;
rte_pmd_rvu_lf_npa_pf_func_get;
rte_pmd_rvu_lf_sso_pf_func_get;
--
2.25.1
