diff mbox series

[ethtool-next,3/8] cmis: Initialize Page 02h in memory map

Message ID 20211123174102.3242294-4-idosch@idosch.org (mailing list archive)
State Accepted
Commit 8658852e0ef7558ca39d2016948207c54d26318c
Delegated to: Michal Kubecek
Headers show
Series ethtool: Add support for CMIS diagnostic information | expand

Checks

Context Check Description
netdev/tree_selection success Not a local patch

Commit Message

Ido Schimmel Nov. 23, 2021, 5:40 p.m. UTC
From: Ido Schimmel <idosch@nvidia.com>

Page 02h stores module and lane thresholds that are going to be parsed
and displayed in subsequent patches.

Request it via the 'MODULE_EEPROM_GET' netlink message and initialize it
in the memory map.

Signed-off-by: Ido Schimmel <idosch@nvidia.com>
---
 cmis.c | 13 ++++++++++---
 1 file changed, 10 insertions(+), 3 deletions(-)
diff mbox series

Patch

diff --git a/cmis.c b/cmis.c
index 4798fd4c7d68..55b9d1b959cd 100644
--- a/cmis.c
+++ b/cmis.c
@@ -17,9 +17,10 @@ 
 
 struct cmis_memory_map {
 	const __u8 *lower_memory;
-	const __u8 *upper_memory[1][2];	/* Bank, Page */
+	const __u8 *upper_memory[1][3];	/* Bank, Page */
 #define page_00h upper_memory[0x0][0x0]
 #define page_01h upper_memory[0x0][0x1]
+#define page_02h upper_memory[0x0][0x2]
 };
 
 #define CMIS_PAGE_SIZE		0x80
@@ -423,8 +424,8 @@  cmis_memory_map_init_pages(struct cmd_context *ctx,
 		return ret;
 	map->page_00h = request.data - CMIS_PAGE_SIZE;
 
-	/* Page 01h is only present when the module memory model is paged and
-	 * not flat.
+	/* Pages 01h and 02h are only present when the module memory model is
+	 * paged and not flat.
 	 */
 	if (map->lower_memory[CMIS_MEMORY_MODEL_OFFSET] &
 	    CMIS_MEMORY_MODEL_MASK)
@@ -436,6 +437,12 @@  cmis_memory_map_init_pages(struct cmd_context *ctx,
 		return ret;
 	map->page_01h = request.data - CMIS_PAGE_SIZE;
 
+	cmis_request_init(&request, 0, 0x2, CMIS_PAGE_SIZE);
+	ret = nl_get_eeprom_page(ctx, &request);
+	if (ret < 0)
+		return ret;
+	map->page_02h = request.data - CMIS_PAGE_SIZE;
+
 	return 0;
 }