netdev - [PATCH v3 net-next 3/6] bnxt_en: Use 'enable_live_dev

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Date:   Sun, 31 May 2020 12:33:42 +0530
From:   Vasundhara Volam <vasundhara-v.volam@...adcom.com>
To:     davem@...emloft.net
Cc:     netdev@...r.kernel.org, michael.chan@...adcom.com,
        Vasundhara Volam <vasundhara-v.volam@...adcom.com>
Subject: [PATCH v3 net-next 3/6] bnxt_en: Use 'enable_live_dev_reset' devlink parameter.

When enabled, device will enable the live reset capability in
NVRAM configuration.

Signed-off-by: Vasundhara Volam <vasundhara-v.volam@...adcom.com>
Signed-off-by: Michael Chan <michael.chan@...adcom.com>
---
 Documentation/networking/devlink/bnxt.rst         | 2 ++
 drivers/net/ethernet/broadcom/bnxt/bnxt_devlink.c | 6 ++++++
 drivers/net/ethernet/broadcom/bnxt/bnxt_devlink.h | 1 +
 3 files changed, 9 insertions(+)

diff --git a/Documentation/networking/devlink/bnxt.rst b/Documentation/networking/devlink/bnxt.rst
index 3dfd84c..ae0a69d 100644
--- a/Documentation/networking/devlink/bnxt.rst
+++ b/Documentation/networking/devlink/bnxt.rst
@@ -22,6 +22,8 @@ Parameters
      - Permanent
    * - ``msix_vec_per_pf_min``
      - Permanent
+   * - ``enable_live_dev_reset``
+     - Permanent
 
 The ``bnxt`` driver also implements the following driver-specific
 parameters.
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_devlink.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_devlink.c
index a812beb..3e1a4ef 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt_devlink.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_devlink.c
@@ -314,6 +314,8 @@ enum bnxt_dl_param_id {
 	 NVM_OFF_MSIX_VEC_PER_PF_MIN, BNXT_NVM_SHARED_CFG, 7, 4},
 	{BNXT_DEVLINK_PARAM_ID_GRE_VER_CHECK, NVM_OFF_DIS_GRE_VER_CHECK,
 	 BNXT_NVM_SHARED_CFG, 1, 1},
+	{DEVLINK_PARAM_GENERIC_ID_ENABLE_LIVE_DEV_RESET,
+	 NVM_OFF_FW_LIVE_RESET, BNXT_NVM_SHARED_CFG, 1, 1},
 };
 
 union bnxt_nvm_data {
@@ -640,6 +642,10 @@ static int bnxt_dl_msix_validate(struct devlink *dl, u32 id,
 			     BIT(DEVLINK_PARAM_CMODE_PERMANENT),
 			     bnxt_dl_nvm_param_get, bnxt_dl_nvm_param_set,
 			     NULL),
+	DEVLINK_PARAM_GENERIC(ENABLE_LIVE_DEV_RESET,
+			      BIT(DEVLINK_PARAM_CMODE_PERMANENT),
+			      bnxt_dl_nvm_param_get, bnxt_dl_nvm_param_set,
+			      NULL),
 };
 
 static const struct devlink_param bnxt_dl_port_params[] = {
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_devlink.h b/drivers/net/ethernet/broadcom/bnxt/bnxt_devlink.h
index d5c8bd4..0c786fb 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt_devlink.h
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_devlink.h
@@ -39,6 +39,7 @@ static inline void bnxt_link_bp_to_dl(struct bnxt *bp, struct devlink *dl)
 #define NVM_OFF_DIS_GRE_VER_CHECK	171
 #define NVM_OFF_ENABLE_SRIOV		401
 #define NVM_OFF_NVM_CFG_VER		602
+#define NVM_OFF_FW_LIVE_RESET		917
 
 #define BNXT_NVM_CFG_VER_BITS		24
 #define BNXT_NVM_CFG_VER_BYTES		4
-- 
1.8.3.1