Thread (37 messages) 37 messages, 4 authors, 2019-08-28

Re: [PATCH v5 net-next 02/18] ionic: Add hardware init and device commands

From: Jakub Kicinski <hidden>
Date: 2019-08-28 03:17:05

On Tue, 27 Aug 2019 14:22:55 -0700, Shannon Nelson wrote:
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diff --git a/drivers/net/ethernet/pensando/ionic/ionic_devlink.c b/drivers/net/ethernet/pensando/ionic/ionic_devlink.c
index e24ef6971cd5..1ca1e33cca04 100644
--- a/drivers/net/ethernet/pensando/ionic/ionic_devlink.c
+++ b/drivers/net/ethernet/pensando/ionic/ionic_devlink.c
@@ -11,8 +11,28 @@
  static int ionic_dl_info_get(struct devlink *dl, struct devlink_info_req *req,
  			     struct netlink_ext_ack *extack)
  {
+	struct ionic *ionic = devlink_priv(dl);
+	struct ionic_dev *idev = &ionic->idev;
+	char buf[16];
+
  	devlink_info_driver_name_put(req, IONIC_DRV_NAME);
  
+	devlink_info_version_running_put(req,
+					 DEVLINK_INFO_VERSION_GENERIC_FW_MGMT,
+					 idev->dev_info.fw_version);  
Are you sure this is not the FW that controls the data path?  
There is only one FW rev to report, and this covers mgmt and data.
Can you add a key for that? Cause this one clearly says management..
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+	snprintf(buf, sizeof(buf), "0x%x", idev->dev_info.asic_type);
+	devlink_info_version_fixed_put(req,
+				       DEVLINK_INFO_VERSION_GENERIC_BOARD_ID,
+				       buf);  
Board ID is not ASIC. This is for identifying a board version with all
its components which surround the main ASIC.
 
quoted
+	snprintf(buf, sizeof(buf), "0x%x", idev->dev_info.asic_rev);
+	devlink_info_version_fixed_put(req,
+				       DEVLINK_INFO_VERSION_GENERIC_BOARD_REV,
+				       buf);  
ditto  
Since I don't have any board info available at this point, shall I use 
my own "asic.id" and "asic.rev" strings, or in this patch shall I add 
something like this to devlink.h and use them here:

/* Part number, identifier of asic design */
#define DEVLINK_INFO_VERSION_GENERIC_ASIC_ID    "asic.id"
/* Revision of asic design */
#define DEVLINK_INFO_VERSION_GENERIC_ASIC_REV    "asic.rev"
Yes, please add these to the generic items and document appropriately.
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