linux-kernel - [PATCH net-next v5 4/9] net/smc: introduce virtual ISM device support feature

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Message-Id: <1702021259-41504-5-git-send-email-guwen@linux.alibaba.com>
Date:   Fri,  8 Dec 2023 15:40:54 +0800
From:   Wen Gu <guwen@...ux.alibaba.com>
To:     wintera@...ux.ibm.com, wenjia@...ux.ibm.com, hca@...ux.ibm.com,
        gor@...ux.ibm.com, agordeev@...ux.ibm.com, davem@...emloft.net,
        edumazet@...gle.com, kuba@...nel.org, pabeni@...hat.com,
        kgraul@...ux.ibm.com, jaka@...ux.ibm.com
Cc:     borntraeger@...ux.ibm.com, svens@...ux.ibm.com,
        alibuda@...ux.alibaba.com, tonylu@...ux.alibaba.com,
        guwen@...ux.alibaba.com, raspl@...ux.ibm.com,
        schnelle@...ux.ibm.com, guangguan.wang@...ux.alibaba.com,
        linux-s390@...r.kernel.org, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH net-next v5 4/9] net/smc: introduce virtual ISM device support feature

This introduces virtual ISM device support feature to SMCv2.1 as the
first supplemental feature.

Signed-off-by: Wen Gu <guwen@...ux.alibaba.com>
---
 net/smc/smc.h | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/net/smc/smc.h b/net/smc/smc.h
index 95f56c7..0dc722b 100644
--- a/net/smc/smc.h
+++ b/net/smc/smc.h
@@ -58,9 +58,12 @@ enum smc_state {		/* possible states of an SMC socket */
 	SMC_PROCESSABORT	= 27,
 };
 
-#define SMC_FEATURE_MASK	0	/* bitmask of
-					 * supported supplemental features
-					 */
+enum smc_supplemental_features {
+	SMC_SPF_VIRT_ISM_DEV	= 0,
+};
+
+#define SMC_FEATURE_MASK \
+	(BIT(SMC_SPF_VIRT_ISM_DEV))
 
 struct smc_link_group;
 
-- 
1.8.3.1