From: Satha Rao <skotesh...@marvell.com>
With this patch implemented api to dump platform registers for
debug purposes.
Signed-off-by: Satha Rao <skotesh...@marvell.com>
---
doc/guides/nics/cnxk.rst | 1 +
doc/guides/nics/features/cnxk.ini | 1 +
doc/guides/nics/features/cnxk_vec.ini | 1 +
doc/guides/nics/features/cnxk_vf.ini | 1 +
drivers/net/cnxk/cnxk_ethdev.c | 1 +
drivers/net/cnxk/cnxk_ethdev.h | 4 ++++
drivers/net/cnxk/cnxk_ethdev_ops.c | 25 +++++++++++++++++++++++++
7 files changed, 34 insertions(+)
diff --git a/doc/guides/nics/cnxk.rst b/doc/guides/nics/cnxk.rst
index 87401f0..98bcb51 100644
--- a/doc/guides/nics/cnxk.rst
+++ b/doc/guides/nics/cnxk.rst
@@ -32,6 +32,7 @@ Features of the CNXK Ethdev PMD are:
- MTU update
- Scatter-Gather IO support
- Vector Poll mode driver
+- Debug utilities - Context dump and error interrupt support
- Support Rx interrupt
Prerequisites
diff --git a/doc/guides/nics/features/cnxk.ini
b/doc/guides/nics/features/cnxk.ini
index b9c11b6..861b7c1 100644
--- a/doc/guides/nics/features/cnxk.ini
+++ b/doc/guides/nics/features/cnxk.ini
@@ -37,6 +37,7 @@ Stats per queue = Y
Extended stats = Y
FW version = Y
Module EEPROM dump = Y
+Registers dump = Y
Linux = Y
ARMv8 = Y
Usage doc = Y
diff --git a/doc/guides/nics/features/cnxk_vec.ini
b/doc/guides/nics/features/cnxk_vec.ini
index 6b9ce2d..65ee8ba 100644
--- a/doc/guides/nics/features/cnxk_vec.ini
+++ b/doc/guides/nics/features/cnxk_vec.ini
@@ -35,6 +35,7 @@ Stats per queue = Y
Extended stats = Y
FW version = Y
Module EEPROM dump = Y
+Registers dump = Y
Linux = Y
ARMv8 = Y
Usage doc = Y
diff --git a/doc/guides/nics/features/cnxk_vf.ini
b/doc/guides/nics/features/cnxk_vf.ini
index 5629d07..00bde9b 100644
--- a/doc/guides/nics/features/cnxk_vf.ini
+++ b/doc/guides/nics/features/cnxk_vf.ini
@@ -32,6 +32,7 @@ Stats per queue = Y
Extended stats = Y
FW version = Y
Module EEPROM dump = Y
+Registers dump = Y
Linux = Y
ARMv8 = Y
Usage doc = Y
diff --git a/drivers/net/cnxk/cnxk_ethdev.c b/drivers/net/cnxk/cnxk_ethdev.c
index d12e68d..a40625e 100644
--- a/drivers/net/cnxk/cnxk_ethdev.c
+++ b/drivers/net/cnxk/cnxk_ethdev.c
@@ -1198,6 +1198,7 @@ struct eth_dev_ops cnxk_eth_dev_ops = {
.txq_info_get = cnxk_nix_txq_info_get,
.tx_done_cleanup = cnxk_nix_tx_done_cleanup,
.flow_ops_get = cnxk_nix_flow_ops_get,
+ .get_reg = cnxk_nix_dev_get_reg,
};
static int
diff --git a/drivers/net/cnxk/cnxk_ethdev.h b/drivers/net/cnxk/cnxk_ethdev.h
index 38ef0a9..e5a7e98 100644
--- a/drivers/net/cnxk/cnxk_ethdev.h
+++ b/drivers/net/cnxk/cnxk_ethdev.h
@@ -312,6 +312,10 @@ void *cnxk_nix_fastpath_lookup_mem_get(void);
int cnxk_ethdev_parse_devargs(struct rte_devargs *devargs,
struct cnxk_eth_dev *dev);
+/* Debug */
+int cnxk_nix_dev_get_reg(struct rte_eth_dev *eth_dev,
+ struct rte_dev_reg_info *regs);
+
/* Inlines */
static __rte_always_inline uint64_t
cnxk_pktmbuf_detach(struct rte_mbuf *m)
diff --git a/drivers/net/cnxk/cnxk_ethdev_ops.c
b/drivers/net/cnxk/cnxk_ethdev_ops.c
index dbc7498..a15d87c 100644
--- a/drivers/net/cnxk/cnxk_ethdev_ops.c
+++ b/drivers/net/cnxk/cnxk_ethdev_ops.c
@@ -691,3 +691,28 @@ cnxk_nix_tx_done_cleanup(void *txq, uint32_t free_cnt)
return 0;
}
+
+int
+cnxk_nix_dev_get_reg(struct rte_eth_dev *eth_dev, struct rte_dev_reg_info
*regs)
+{
+ struct cnxk_eth_dev *dev = cnxk_eth_pmd_priv(eth_dev);
+ struct roc_nix *nix = &dev->nix;
+ uint64_t *data = regs->data;
+ int rc = -ENOTSUP;
+
+ if (data == NULL) {
+ rc = roc_nix_lf_get_reg_count(nix);
+ if (rc > 0) {
+ regs->length = rc;
+ regs->width = 8;
+ rc = 0;
+ }
+ return rc;
+ }
+
+ if (!regs->length ||
+ regs->length == (uint32_t)roc_nix_lf_get_reg_count(nix))
+ return roc_nix_lf_reg_dump(nix, data);
+
+ return rc;
+}
--
2.8.4
