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From: Vasundhara Volam <vasundhara-v.volam@broadcom.com>
Date: Thu, 4 Oct 2018 11:13:46 +0530
Subject: devlink: Add generic parameter msix_vec_per_pf_min
Patch-mainline: v4.20-rc1
Git-commit: 16511789b9cc0a946611b1f9575b7a5b2b566301
References: bsc#1109837

msix_vec_per_pf_min - This param sets the number of minimal MSIX
vectors required for the device initialization. This value is set
in the device which limits MSIX vectors per PF.

Cc: Jiri Pirko <jiri@mellanox.com>
Cc: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: Vasundhara Volam <vasundhara-v.volam@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
 include/net/devlink.h |    4 ++++
 net/core/devlink.c    |    5 +++++
 2 files changed, 9 insertions(+)

--- a/include/net/devlink.h
+++ b/include/net/devlink.h
@@ -364,6 +364,7 @@ enum devlink_param_generic_id {
 	DEVLINK_PARAM_GENERIC_ID_REGION_SNAPSHOT,
 	DEVLINK_PARAM_GENERIC_ID_IGNORE_ARI,
 	DEVLINK_PARAM_GENERIC_ID_MSIX_VEC_PER_PF_MAX,
+	DEVLINK_PARAM_GENERIC_ID_MSIX_VEC_PER_PF_MIN,
 
 	/* add new param generic ids above here*/
 	__DEVLINK_PARAM_GENERIC_ID_MAX,
@@ -388,6 +389,9 @@ enum devlink_param_generic_id {
 #define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MAX_NAME "msix_vec_per_pf_max"
 #define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MAX_TYPE DEVLINK_PARAM_TYPE_U32
 
+#define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MIN_NAME "msix_vec_per_pf_min"
+#define DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MIN_TYPE DEVLINK_PARAM_TYPE_U32
+
 #define DEVLINK_PARAM_GENERIC(_id, _cmodes, _get, _set, _validate)	\
 {									\
 	.id = DEVLINK_PARAM_GENERIC_ID_##_id,				\
--- a/net/core/devlink.c
+++ b/net/core/devlink.c
@@ -2691,6 +2691,11 @@ static const struct devlink_param devlin
 		.name = DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MAX_NAME,
 		.type = DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MAX_TYPE,
 	},
+	{
+		.id = DEVLINK_PARAM_GENERIC_ID_MSIX_VEC_PER_PF_MIN,
+		.name = DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MIN_NAME,
+		.type = DEVLINK_PARAM_GENERIC_MSIX_VEC_PER_PF_MIN_TYPE,
+	},
 };
 
 static int devlink_param_generic_verify(const struct devlink_param *param)