Gather and push out full device dump to devlink.
Device dump is the same as with `ethtool -d`, but now its generated
exactly at the moment bad thing happens.
Signed-off-by: Igor Russkikh <irussk...@marvell.com>
Signed-off-by: Alexander Lobakin <aloba...@marvell.com>
Signed-off-by: Michal Kalderon <michal.kalde...@marvell.com>
---
drivers/net/ethernet/qlogic/qed/qed_devlink.c | 43 +++++++++++++++++++
1 file changed, 43 insertions(+)
diff --git a/drivers/net/ethernet/qlogic/qed/qed_devlink.c
b/drivers/net/ethernet/qlogic/qed/qed_devlink.c
index bc4e40f135ff..cf7f4da68e69 100644
--- a/drivers/net/ethernet/qlogic/qed/qed_devlink.c
+++ b/drivers/net/ethernet/qlogic/qed/qed_devlink.c
@@ -6,6 +6,7 @@
#include <linux/kernel.h>
#include <linux/qed/qed_if.h>
+#include <linux/vmalloc.h>
#include "qed.h"
#include "qed_devlink.h"
@@ -32,6 +33,47 @@ int qed_report_fatal_error(struct devlink *devlink, enum
qed_hw_err_type err_typ
return 0;
}
+static int
+qed_fw_fatal_reporter_dump(struct devlink_health_reporter *reporter,
+ struct devlink_fmsg *fmsg, void *priv_ctx,
+ struct netlink_ext_ack *extack)
+{
+ struct qed_devlink *qdl = devlink_health_reporter_priv(reporter);
+ struct qed_fw_fatal_ctx *fw_fatal_ctx = priv_ctx;
+ struct qed_dev *cdev = qdl->cdev;
+ u32 dbg_data_buf_size;
+ u8 *p_dbg_data_buf;
+ int err;
+
+ /* Having context means that was a dump request after fatal,
+ * so we enable extra debugging while gathering the dump,
+ * just in case
+ */
+ cdev->print_dbg_data = fw_fatal_ctx ? true : false;
+
+ dbg_data_buf_size = qed_dbg_all_data_size(cdev);
+ p_dbg_data_buf = vzalloc(dbg_data_buf_size);
+ if (!p_dbg_data_buf) {
+ DP_NOTICE(cdev,
+ "Failed to allocate memory for a debug data
buffer\n");
+ return -ENOMEM;
+ }
+
+ err = qed_dbg_all_data(cdev, p_dbg_data_buf);
+ if (err) {
+ DP_NOTICE(cdev, "Failed to obtain debug data\n");
+ vfree(p_dbg_data_buf);
+ return err;
+ }
+
+ err = devlink_fmsg_binary_pair_put(fmsg, "dump_data",
+ p_dbg_data_buf, dbg_data_buf_size);
+
+ vfree(p_dbg_data_buf);
+
+ return err;
+}
+
static int
qed_fw_fatal_reporter_recover(struct devlink_health_reporter *reporter,
void *priv_ctx,
@@ -48,6 +90,7 @@ qed_fw_fatal_reporter_recover(struct devlink_health_reporter
*reporter,
static const struct devlink_health_reporter_ops qed_fw_fatal_reporter_ops = {
.name = "fw_fatal",
.recover = qed_fw_fatal_reporter_recover,
+ .dump = qed_fw_fatal_reporter_dump,
};
#define QED_REPORTER_FW_GRACEFUL_PERIOD 1200000
--
2.17.1
