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From: Jacob Keller <jacob.e.keller@intel.com>
To: netdev@vger.kernel.org
Cc: Jacob Keller <jacob.e.keller@intel.com>
Subject: [iproute2-next v2 4/5] Update devlink header for overwrite mask attribute
Date: Fri, 31 Jul 2020 17:21:58 -0700
Message-ID: <20200801002159.3300425-5-jacob.e.keller@intel.com> (raw)
In-Reply-To: <20200801002159.3300425-1-jacob.e.keller@intel.com>

Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
---
 include/uapi/linux/devlink.h | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)

diff --git a/include/uapi/linux/devlink.h b/include/uapi/linux/devlink.h
index b7f23faae901..3d006ad2fdaf 100644
--- a/include/uapi/linux/devlink.h
+++ b/include/uapi/linux/devlink.h
@@ -228,6 +228,28 @@ enum {
 	DEVLINK_ATTR_STATS_MAX = __DEVLINK_ATTR_STATS_MAX - 1
 };
 
+/* Specify what sections of a flash component can be overwritten when
+ * performing an update. Overwriting of firmware binary sections is always
+ * implicitly assumed to be allowed.
+ *
+ * Each section must be documented in
+ * Documentation/networking/devlink/devlink-flash.rst
+ *
+ */
+enum {
+	DEVLINK_FLASH_OVERWRITE_SETTINGS_BIT,
+	DEVLINK_FLASH_OVERWRITE_IDENTIFIERS_BIT,
+
+	__DEVLINK_FLASH_OVERWRITE_MAX_BIT,
+	DEVLINK_FLASH_OVERWRITE_MAX_BIT = __DEVLINK_FLASH_OVERWRITE_MAX_BIT - 1
+};
+
+#define DEVLINK_FLASH_OVERWRITE_SETTINGS BIT(DEVLINK_FLASH_OVERWRITE_SETTINGS_BIT)
+#define DEVLINK_FLASH_OVERWRITE_IDENTIFIERS BIT(DEVLINK_FLASH_OVERWRITE_IDENTIFIERS_BIT)
+
+#define DEVLINK_SUPPORTED_FLASH_OVERWRITE_SECTIONS \
+	GENMASK(DEVLINK_FLASH_OVERWRITE_MAX_BIT, 0)
+
 /**
  * enum devlink_trap_action - Packet trap action.
  * @DEVLINK_TRAP_ACTION_DROP: Packet is dropped by the device and a copy is not
@@ -458,6 +480,8 @@ enum devlink_attr {
 	DEVLINK_ATTR_PORT_LANES,			/* u32 */
 	DEVLINK_ATTR_PORT_SPLITTABLE,			/* u8 */
 
+	DEVLINK_ATTR_FLASH_UPDATE_OVERWRITE_MASK,	/* u32 */
+
 	/* add new attributes above here, update the policy in devlink.c */
 
 	__DEVLINK_ATTR_MAX,
-- 
2.28.0.163.g6104cc2f0b60


  parent reply index

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-08-01  0:21 [net-next v2 0/5] devlink flash update overwrite mask Jacob Keller
2020-08-01  0:21 ` [net-next v2 1/5] devlink: convert flash_update to use params structure Jacob Keller
2020-08-03 15:46   ` Jiri Pirko
2020-08-01  0:21 ` [net-next v2 2/5] devlink: introduce flash update overwrite mask Jacob Keller
2020-08-03 15:38   ` Jiri Pirko
2020-08-03 16:53     ` Jacob Keller
2020-08-03 23:08     ` Jacob Keller
2020-08-01  0:21 ` [net-next v2 3/5] ice: add support for " Jacob Keller
2020-08-01  0:21 ` Jacob Keller [this message]
2020-08-01  0:21 ` [iproute2-next v2 5/5] devlink: support setting the " Jacob Keller
2020-08-03 15:53   ` David Ahern
2020-08-03 16:20     ` Jiri Pirko
2020-08-03 16:56     ` Jacob Keller
2020-08-03 21:20       ` David Ahern
2020-08-03 22:44         ` Jacob Keller
2020-08-03 23:30     ` Jacob Keller
2020-08-03 23:54       ` David Ahern
2020-08-04 18:31         ` Jacob Keller
2020-08-03 15:28 ` [net-next v2 0/5] devlink flash update " Jiri Pirko
2020-08-03 16:51   ` Jacob Keller

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