[PATCH v6 5/9] raw/cnxk_rvu_lf: support to set message ID range

[Akhil Goyal]

Added API rte_pmd_rvu_lf_msg_id_range_set()
to set RVU mailbox message id range from out of tree
driver to communicate.

Signed-off-by: Akhil Goyal <gakhil at marvell.com>
---
 doc/guides/rawdevs/cnxk_rvu_lf.rst           |  4 +++
 drivers/common/cnxk/roc_mbox.h               |  1 +
 drivers/common/cnxk/roc_rvu_lf.c             | 30 ++++++++++++++++++++
 drivers/common/cnxk/roc_rvu_lf.h             |  3 ++
 drivers/common/cnxk/version.map              |  2 ++
 drivers/raw/cnxk_rvu_lf/cnxk_rvu_lf.c        | 14 +++++++++
 drivers/raw/cnxk_rvu_lf/cnxk_rvu_lf_driver.h | 15 ++++++++++
 drivers/raw/cnxk_rvu_lf/version.map          |  1 +
 8 files changed, 70 insertions(+)

diff --git a/doc/guides/rawdevs/cnxk_rvu_lf.rst b/doc/guides/rawdevs/cnxk_rvu_lf.rst
index 3c1856fc6e..7f456ab61d 100644
--- a/doc/guides/rawdevs/cnxk_rvu_lf.rst
+++ b/doc/guides/rawdevs/cnxk_rvu_lf.rst
@@ -19,6 +19,7 @@ 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.
+- Set mailbox message ID range to be used by the driver.
 
 Limitations
 -----------
@@ -61,3 +62,6 @@ drivers can register/unregister callbacks using ``rte_pmd_rvu_lf_msg_handler_reg
 and ``rte_pmd_rvu_lf_msg_handler_unregister()``.
 Required responses as per the request and message id received can be filled
 in the callbacks.
+
+Once a RVU LF raw device is probed, a range of message ids can be configured for
+which mailboxes will be sent using the API ``rte_pmd_rvu_lf_msg_id_range_set()``.
diff --git a/drivers/common/cnxk/roc_mbox.h b/drivers/common/cnxk/roc_mbox.h
index 0864c0e8c0..7d8145a4b3 100644
--- a/drivers/common/cnxk/roc_mbox.h
+++ b/drivers/common/cnxk/roc_mbox.h
@@ -54,6 +54,7 @@ struct mbox_msghdr {
 #define MBOX_MSG_MASK	 0xFFFF
 #define MBOX_MSG_INVALID 0xFFFE
 #define MBOX_MSG_MAX	 0xFFFF
+#define MBOX_MSG_GENERIC_MAX_ID 0x1FF
 
 #define MBOX_MESSAGES                                                          \
 	/* Generic mbox IDs (range 0x000 - 0x1FF) */                           \
diff --git a/drivers/common/cnxk/roc_rvu_lf.c b/drivers/common/cnxk/roc_rvu_lf.c
index 2e1be81e52..1026ccc125 100644
--- a/drivers/common/cnxk/roc_rvu_lf.c
+++ b/drivers/common/cnxk/roc_rvu_lf.c
@@ -62,6 +62,36 @@ roc_rvu_lf_dev_fini(struct roc_rvu_lf *roc_rvu_lf)
 	return dev_fini(&rvu->dev, rvu->pci_dev);
 }
 
+int
+roc_rvu_lf_msg_id_range_set(struct roc_rvu_lf *roc_rvu_lf, uint16_t from, uint16_t to)
+{
+	struct rvu_lf *rvu = roc_rvu_lf_to_rvu_priv(roc_rvu_lf);
+
+	if (from <= MBOX_MSG_GENERIC_MAX_ID || from > to)
+		return -EINVAL;
+
+	rvu->msg_id_from = from;
+	rvu->msg_id_to = to;
+
+	return 0;
+}
+
+bool
+roc_rvu_lf_msg_id_range_check(struct roc_rvu_lf *roc_rvu_lf, uint16_t msg_id)
+{
+	struct rvu_lf *rvu;
+
+	if (roc_rvu_lf == NULL)
+		return 0;
+
+	rvu = roc_rvu_lf_to_rvu_priv(roc_rvu_lf);
+
+	if (msg_id > rvu->msg_id_from && msg_id < rvu->msg_id_to)
+		return 1;
+
+	return 0;
+}
+
 int
 roc_rvu_lf_irq_register(struct roc_rvu_lf *roc_rvu_lf, unsigned int irq,
 			roc_rvu_lf_intr_cb_fn cb, void *data)
diff --git a/drivers/common/cnxk/roc_rvu_lf.h b/drivers/common/cnxk/roc_rvu_lf.h
index 90a0b5690a..7243e170b9 100644
--- a/drivers/common/cnxk/roc_rvu_lf.h
+++ b/drivers/common/cnxk/roc_rvu_lf.h
@@ -21,6 +21,9 @@ TAILQ_HEAD(roc_rvu_lf_head, roc_rvu_lf);
 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);
 
+int __roc_api roc_rvu_lf_msg_id_range_set(struct roc_rvu_lf *roc_rvu_lf,
+					  uint16_t from, uint16_t to);
+bool  __roc_api roc_rvu_lf_msg_id_range_check(struct roc_rvu_lf *roc_rvu_lf, uint16_t msg_id);
 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,
diff --git a/drivers/common/cnxk/version.map b/drivers/common/cnxk/version.map
index bc37f9ecd2..c2c67bc721 100644
--- a/drivers/common/cnxk/version.map
+++ b/drivers/common/cnxk/version.map
@@ -556,5 +556,7 @@ INTERNAL {
 	roc_rvu_lf_irq_unregister;
 	roc_rvu_lf_msg_handler_register;
 	roc_rvu_lf_msg_handler_unregister;
+	roc_rvu_lf_msg_id_range_check;
+	roc_rvu_lf_msg_id_range_set;
 	local: *;
 };
diff --git a/drivers/raw/cnxk_rvu_lf/cnxk_rvu_lf.c b/drivers/raw/cnxk_rvu_lf/cnxk_rvu_lf.c
index 29ab738392..82439cf9f8 100644
--- a/drivers/raw/cnxk_rvu_lf/cnxk_rvu_lf.c
+++ b/drivers/raw/cnxk_rvu_lf/cnxk_rvu_lf.c
@@ -16,6 +16,20 @@
 #include "cnxk_rvu_lf.h"
 #include "cnxk_rvu_lf_driver.h"
 
+int
+rte_pmd_rvu_lf_msg_id_range_set(uint8_t dev_id, uint16_t from, uint16_t to)
+{
+	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_id_range_set(roc_rvu_lf, from, to);
+}
+
 int
 rte_pmd_rvu_lf_msg_handler_register(uint8_t dev_id, rte_pmd_rvu_lf_msg_handler_cb_fn cb)
 {
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 15320e55ba..567778dcc5 100644
--- a/drivers/raw/cnxk_rvu_lf/cnxk_rvu_lf_driver.h
+++ b/drivers/raw/cnxk_rvu_lf/cnxk_rvu_lf_driver.h
@@ -137,6 +137,21 @@ int rte_pmd_rvu_lf_msg_handler_register(uint8_t dev_id, rte_pmd_rvu_lf_msg_handl
 __rte_internal
 int rte_pmd_rvu_lf_msg_handler_unregister(uint8_t dev_id);
 
+/**
+ * Set RVU mailbox message id range.
+ *
+ * @param dev_id
+ *   device id of RVU LF device
+ * @param from
+ *   starting message id for RVU mailbox (> 0x1FF)
+ * @param to
+ *   last message id for RVU mailbox (< 0xFFFF)
+ *
+ * @return 0 on success, -EINVAL for invalid range
+ */
+__rte_internal
+int rte_pmd_rvu_lf_msg_id_range_set(uint8_t dev_id, uint16_t from, uint16_t to);
+
 #ifdef __cplusplus
 }
 #endif
diff --git a/drivers/raw/cnxk_rvu_lf/version.map b/drivers/raw/cnxk_rvu_lf/version.map
index fcbb2545ea..d8fb8eba26 100644
--- a/drivers/raw/cnxk_rvu_lf/version.map
+++ b/drivers/raw/cnxk_rvu_lf/version.map
@@ -5,6 +5,7 @@ INTERNAL {
 	rte_pmd_rvu_lf_irq_unregister;
 	rte_pmd_rvu_lf_msg_handler_register;
 	rte_pmd_rvu_lf_msg_handler_unregister;
+	rte_pmd_rvu_lf_msg_id_range_set;
 	rte_pmd_rvu_lf_npa_pf_func_get;
 	rte_pmd_rvu_lf_sso_pf_func_get;
 
-- 
2.25.1