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From: Akhil Goyal <gakhil@marvell.com>
To: <dev@dpdk.org>
CC: <thomas@monjalon.net>, <david.marchand@redhat.com>,
<hemant.agrawal@nxp.com>, <jerinj@marvell.com>, <hkalra@marvell.com>,
"Akhil Goyal" <gakhil@marvell.com>
Subject: [PATCH 7/9] raw/cnxk_rvu_lf: set message ID range
Date: Sun, 8 Sep 2024 01:03:09 +0530
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Added PMD API rte_pmd_rvu_lf_msg_id_range_set()
to set RVU mailbox message id range.
Signed-off-by: Akhil Goyal <gakhil@marvell.com>
---
doc/guides/rawdevs/cnxk_rvu_lf.rst | 12 ++++++++++
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/rte_pmd_rvu_lf.h | 15 ++++++++++++
7 files changed, 77 insertions(+)
diff --git a/doc/guides/rawdevs/cnxk_rvu_lf.rst b/doc/guides/rawdevs/cnxk_rvu_lf.rst
index 7bae6b523e..7f193e232c 100644
--- a/doc/guides/rawdevs/cnxk_rvu_lf.rst
+++ b/doc/guides/rawdevs/cnxk_rvu_lf.rst
@@ -60,3 +60,15 @@ Application can register interrupt handlers using ``rte_pmd_rvu_lf_irq_register(
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
+-----------------------------
+
+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``.
+
+For processing of mailboxes received on PF/VF application, application
+can register callbacks using ``rte_pmd_rvu_lf_msg_handler_register()``
+and fill required responses as per the request and message id received.
+Application can also unregister already registered message callbacks using
+``rte_pmd_rvu_lf_msg_handler_unregister()``.
diff --git a/drivers/common/cnxk/roc_mbox.h b/drivers/common/cnxk/roc_mbox.h
index f1a3371ef9..3018a4f73e 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 c850b17dbb..adfe7ee789 100644
--- a/drivers/common/cnxk/version.map
+++ b/drivers/common/cnxk/version.map
@@ -552,5 +552,7 @@ 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 ced77bb36e..a21bca9ea6 100644
--- a/drivers/raw/cnxk_rvu_lf/cnxk_rvu_lf.c
+++ b/drivers/raw/cnxk_rvu_lf/cnxk_rvu_lf.c
@@ -15,6 +15,20 @@
#include "rte_pmd_rvu_lf.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/rte_pmd_rvu_lf.h b/drivers/raw/cnxk_rvu_lf/rte_pmd_rvu_lf.h
index 51701cc49c..9ee9c57d7d 100644
--- a/drivers/raw/cnxk_rvu_lf/rte_pmd_rvu_lf.h
+++ b/drivers/raw/cnxk_rvu_lf/rte_pmd_rvu_lf.h
@@ -32,6 +32,21 @@ extern int cnxk_logtype_rvu_lf;
rte_log(RTE_LOG_ ## level, cnxk_logtype_rvu_lf, \
"%s(): " fmt "\n", __func__, ## args)
+/**
+ * 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_experimental
+int rte_pmd_rvu_lf_msg_id_range_set(uint8_t dev_id, uint16_t from, uint16_t to);
+
/**
* Signature of callback function called when a message process handler is called
* on RVU LF device.
--
2.25.1