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Date:   Thu, 23 May 2019 11:47:09 +0200
From:   Jiri Pirko <jiri@...nulli.us>
To:     netdev@...r.kernel.org
Cc:     davem@...emloft.net, mlxsw@...lanox.com,
        jakub.kicinski@...ronome.com, sthemmin@...rosoft.com,
        dsahern@...il.com, saeedm@...lanox.com, leon@...nel.org
Subject: [patch iproute2 2/3] devlink: implement flash update status monitoring

From: Jiri Pirko <jiri@...lanox.com>

Kernel sends notifications about flash update status, so implement these
messages for monitoring.

Signed-off-by: Jiri Pirko <jiri@...lanox.com>
---
 devlink/devlink.c | 43 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 43 insertions(+)

diff --git a/devlink/devlink.c b/devlink/devlink.c
index 436935f88bda..55cbc01189db 100644
--- a/devlink/devlink.c
+++ b/devlink/devlink.c
@@ -414,6 +414,10 @@ static const enum mnl_attr_data_type devlink_policy[DEVLINK_ATTR_MAX + 1] = {
 	[DEVLINK_ATTR_HEALTH_REPORTER_RECOVER_COUNT] = MNL_TYPE_U64,
 	[DEVLINK_ATTR_HEALTH_REPORTER_DUMP_TS] = MNL_TYPE_U64,
 	[DEVLINK_ATTR_HEALTH_REPORTER_GRACEFUL_PERIOD] = MNL_TYPE_U64,
+	[DEVLINK_ATTR_FLASH_UPDATE_COMPONENT] = MNL_TYPE_STRING,
+	[DEVLINK_ATTR_FLASH_UPDATE_STATUS_MSG] = MNL_TYPE_STRING,
+	[DEVLINK_ATTR_FLASH_UPDATE_STATUS_DONE] = MNL_TYPE_U64,
+	[DEVLINK_ATTR_FLASH_UPDATE_STATUS_TOTAL] = MNL_TYPE_U64,
 };
 
 static int attr_cb(const struct nlattr *attr, void *data)
@@ -3712,6 +3716,9 @@ static const char *cmd_name(uint8_t cmd)
 	case DEVLINK_CMD_REGION_SET: return "set";
 	case DEVLINK_CMD_REGION_NEW: return "new";
 	case DEVLINK_CMD_REGION_DEL: return "del";
+	case DEVLINK_CMD_FLASH_UPDATE: return "begin";
+	case DEVLINK_CMD_FLASH_UPDATE_END: return "end";
+	case DEVLINK_CMD_FLASH_UPDATE_STATUS: return "status";
 	default: return "<unknown cmd>";
 	}
 }
@@ -3740,6 +3747,10 @@ static const char *cmd_obj(uint8_t cmd)
 	case DEVLINK_CMD_REGION_NEW:
 	case DEVLINK_CMD_REGION_DEL:
 		return "region";
+	case DEVLINK_CMD_FLASH_UPDATE:
+	case DEVLINK_CMD_FLASH_UPDATE_END:
+	case DEVLINK_CMD_FLASH_UPDATE_STATUS:
+		return "flash";
 	default: return "<unknown obj>";
 	}
 }
@@ -3764,6 +3775,29 @@ static bool cmd_filter_check(struct dl *dl, uint8_t cmd)
 	return false;
 }
 
+static void pr_out_flash_update(struct dl *dl, struct nlattr **tb)
+{
+	__pr_out_handle_start(dl, tb, true, false);
+
+	if (tb[DEVLINK_ATTR_FLASH_UPDATE_STATUS_MSG])
+		pr_out_str(dl, "msg",
+			   mnl_attr_get_str(tb[DEVLINK_ATTR_FLASH_UPDATE_STATUS_MSG]));
+
+	if (tb[DEVLINK_ATTR_FLASH_UPDATE_COMPONENT])
+		pr_out_str(dl, "component",
+			   mnl_attr_get_str(tb[DEVLINK_ATTR_FLASH_UPDATE_COMPONENT]));
+
+	if (tb[DEVLINK_ATTR_FLASH_UPDATE_STATUS_DONE])
+		pr_out_u64(dl, "done",
+			   mnl_attr_get_u64(tb[DEVLINK_ATTR_FLASH_UPDATE_STATUS_DONE]));
+
+	if (tb[DEVLINK_ATTR_FLASH_UPDATE_STATUS_TOTAL])
+		pr_out_u64(dl, "total",
+			   mnl_attr_get_u64(tb[DEVLINK_ATTR_FLASH_UPDATE_STATUS_TOTAL]));
+
+	pr_out_handle_end(dl);
+}
+
 static void pr_out_region(struct dl *dl, struct nlattr **tb);
 
 static int cmd_mon_show_cb(const struct nlmsghdr *nlh, void *data)
@@ -3820,6 +3854,15 @@ static int cmd_mon_show_cb(const struct nlmsghdr *nlh, void *data)
 		pr_out_mon_header(genl->cmd);
 		pr_out_region(dl, tb);
 		break;
+	case DEVLINK_CMD_FLASH_UPDATE: /* fall through */
+	case DEVLINK_CMD_FLASH_UPDATE_END: /* fall through */
+	case DEVLINK_CMD_FLASH_UPDATE_STATUS:
+		mnl_attr_parse(nlh, sizeof(*genl), attr_cb, tb);
+		if (!tb[DEVLINK_ATTR_BUS_NAME] || !tb[DEVLINK_ATTR_DEV_NAME])
+			return MNL_CB_ERROR;
+		pr_out_mon_header(genl->cmd);
+		pr_out_flash_update(dl, tb);
+		break;
 	}
 	return MNL_CB_OK;
 }
-- 
2.17.2

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