linux-kernel - [PATCH 1/2] net: ethtool: add support for reset of AP inside NIC interface.

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Message-Id: <1512070560-16739-2-git-send-email-scott.branden@broadcom.com>
Date:   Thu, 30 Nov 2017 11:35:59 -0800
From:   Scott Branden <scott.branden@...adcom.com>
To:     "David S. Miller" <davem@...emloft.net>,
        "Allan W. Nielsen" <allan.nielsen@...rosemi.com>,
        Andrew Lunn <andrew@...n.ch>,
        Raju Lakkaraju <Raju.Lakkaraju@...rosemi.com>,
        Florian Fainelli <f.fainelli@...il.com>
Cc:     BCM Kernel Feedback <bcm-kernel-feedback-list@...adcom.com>,
        linux-kernel@...r.kernel.org, Steve Lin <steven.lin1@...adcom.com>,
        netdev@...r.kernel.org, Michael Chan <michael.chan@...adcom.com>,
        Scott Branden <scott.branden@...adcom.com>
Subject: [PATCH 1/2] net: ethtool: add support for reset of AP inside NIC interface.

Add ETH_RESET_AP to reset the application processor(s) inside the NIC
interface.

Current ETH_RESET_MGMT supports a management processor inside this NIC.
This is typically used for remote NIC management purposes.

Application processors exist inside some SmartNICs to run various
applications inside the NIC processor - be it a simple algorithm without
an OS to as complex as hosting multiple VMs.

Signed-off-by: Scott Branden <scott.branden@...adcom.com>
Reviewed-by: Andrew Lunn <andrew@...n.ch>
---
 include/uapi/linux/ethtool.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/include/uapi/linux/ethtool.h b/include/uapi/linux/ethtool.h
index ac71559..44a0b67 100644
--- a/include/uapi/linux/ethtool.h
+++ b/include/uapi/linux/ethtool.h
@@ -1686,6 +1686,7 @@ enum ethtool_reset_flags {
 	ETH_RESET_PHY		= 1 << 6,	/* Transceiver/PHY */
 	ETH_RESET_RAM		= 1 << 7,	/* RAM shared between
 						 * multiple components */
+	ETH_RESET_AP		= 1 << 8,	/* Application processor */
 
 	ETH_RESET_DEDICATED	= 0x0000ffff,	/* All components dedicated to
 						 * this interface */
-- 
2.5.0