netdev - [PATCH v7 net-next 07/10] qed*: make use of devlink recovery infrastructure

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Message-ID: <20200823111934.305-8-irusskikh@marvell.com>
Date:   Sun, 23 Aug 2020 14:19:31 +0300
From:   Igor Russkikh <irusskikh@...vell.com>
To:     <netdev@...r.kernel.org>
CC:     "David S . Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Ariel Elior <aelior@...vell.com>,
        Michal Kalderon <mkalderon@...vell.com>,
        Jesse Brandeburg <jesse.brandeburg@...el.com>,
        "Igor Russkikh" <irusskikh@...vell.com>,
        Alexander Lobakin <alobakin@...vell.com>,
        Michal Kalderon <michal.kalderon@...vell.com>
Subject: [PATCH v7 net-next 07/10] qed*: make use of devlink recovery infrastructure

Remove forcible recovery trigger and put it as a normal devlink
callback.

This allows user to enable/disable it via

    devlink health set pci/0000:03:00.0 reporter fw_fatal auto_recover false

Signed-off-by: Igor Russkikh <irusskikh@...vell.com>
Signed-off-by: Alexander Lobakin <alobakin@...vell.com>
Signed-off-by: Michal Kalderon <michal.kalderon@...vell.com>
Acked-by: Jakub Kicinski <kuba@...nel.org>
---
 drivers/net/ethernet/qlogic/qed/qed.h         |  1 +
 drivers/net/ethernet/qlogic/qed/qed_devlink.c | 14 ++++++++++++++
 drivers/net/ethernet/qlogic/qed/qed_main.c    |  2 +-
 drivers/net/ethernet/qlogic/qede/qede_main.c  | 10 ----------
 4 files changed, 16 insertions(+), 11 deletions(-)

diff --git a/drivers/net/ethernet/qlogic/qed/qed.h b/drivers/net/ethernet/qlogic/qed/qed.h
index ccd789eeda3e..f34b25a79449 100644
--- a/drivers/net/ethernet/qlogic/qed/qed.h
+++ b/drivers/net/ethernet/qlogic/qed/qed.h
@@ -981,6 +981,7 @@ void qed_bw_update(struct qed_hwfn *hwfn, struct qed_ptt *ptt);
 u32 qed_unzip_data(struct qed_hwfn *p_hwfn,
 		   u32 input_len, u8 *input_buf,
 		   u32 max_size, u8 *unzip_buf);
+int qed_recovery_process(struct qed_dev *cdev);
 void qed_schedule_recovery_handler(struct qed_hwfn *p_hwfn);
 void qed_hw_error_occurred(struct qed_hwfn *p_hwfn,
 			   enum qed_hw_err_type err_type);
diff --git a/drivers/net/ethernet/qlogic/qed/qed_devlink.c b/drivers/net/ethernet/qlogic/qed/qed_devlink.c
index 4de786d4261b..bc4e40f135ff 100644
--- a/drivers/net/ethernet/qlogic/qed/qed_devlink.c
+++ b/drivers/net/ethernet/qlogic/qed/qed_devlink.c
@@ -32,8 +32,22 @@ int qed_report_fatal_error(struct devlink *devlink, enum qed_hw_err_type err_typ
 	return 0;
 }
 
+static int
+qed_fw_fatal_reporter_recover(struct devlink_health_reporter *reporter,
+			      void *priv_ctx,
+			      struct netlink_ext_ack *extack)
+{
+	struct qed_devlink *qdl = devlink_health_reporter_priv(reporter);
+	struct qed_dev *cdev = qdl->cdev;
+
+	qed_recovery_process(cdev);
+
+	return 0;
+}
+
 static const struct devlink_health_reporter_ops qed_fw_fatal_reporter_ops = {
 		.name = "fw_fatal",
+		.recover = qed_fw_fatal_reporter_recover,
 };
 
 #define QED_REPORTER_FW_GRACEFUL_PERIOD 1200000
diff --git a/drivers/net/ethernet/qlogic/qed/qed_main.c b/drivers/net/ethernet/qlogic/qed/qed_main.c
index a64d594f9294..db5d003770ba 100644
--- a/drivers/net/ethernet/qlogic/qed/qed_main.c
+++ b/drivers/net/ethernet/qlogic/qed/qed_main.c
@@ -2817,7 +2817,7 @@ static int qed_set_led(struct qed_dev *cdev, enum qed_led_mode mode)
 	return status;
 }
 
-static int qed_recovery_process(struct qed_dev *cdev)
+int qed_recovery_process(struct qed_dev *cdev)
 {
 	struct qed_hwfn *p_hwfn = QED_LEADING_HWFN(cdev);
 	struct qed_ptt *p_ptt;
diff --git a/drivers/net/ethernet/qlogic/qede/qede_main.c b/drivers/net/ethernet/qlogic/qede/qede_main.c
index bafdf46a9b1f..58e1a6e542eb 100644
--- a/drivers/net/ethernet/qlogic/qede/qede_main.c
+++ b/drivers/net/ethernet/qlogic/qede/qede_main.c
@@ -2595,8 +2595,6 @@ static void qede_atomic_hw_err_handler(struct qede_dev *edev)
 
 static void qede_generic_hw_err_handler(struct qede_dev *edev)
 {
-	struct qed_dev *cdev = edev->cdev;
-
 	DP_NOTICE(edev,
 		  "Generic sleepable HW error handling started - err_flags 0x%lx\n",
 		  edev->err_flags);
@@ -2604,14 +2602,6 @@ static void qede_generic_hw_err_handler(struct qede_dev *edev)
 	if (edev->devlink)
 		edev->ops->common->report_fatal_error(edev->devlink, edev->last_err_type);
 
-	/* Trigger a recovery process.
-	 * This is placed in the sleep requiring section just to make
-	 * sure it is the last one, and that all the other operations
-	 * were completed.
-	 */
-	if (test_bit(QEDE_ERR_IS_RECOVERABLE, &edev->err_flags))
-		edev->ops->common->recovery_process(cdev);
-
 	clear_bit(QEDE_ERR_IS_HANDLED, &edev->err_flags);
 
 	DP_NOTICE(edev, "Generic sleepable HW error handling is done\n");
-- 
2.17.1