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Date:      Mon, 7 Oct 2019 09:53:13 +0000 (UTC)
From:      Hans Petter Selasky <hselasky@FreeBSD.org>
To:        src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-12@freebsd.org
Subject:   svn commit: r353245 - stable/12/sys/dev/mlx5/mlx5_core
Message-ID:  <201910070953.x979rDmh005547@repo.freebsd.org>
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Author: hselasky
Date: Mon Oct  7 09:53:12 2019
New Revision: 353245
URL: https://svnweb.freebsd.org/changeset/base/353245

Log:
  MFC r352986:
  Return an error from ioctl(MLX5_FW_RESET) if reset was rejected in mlx5core.
  
  Submitted by:	kib@
  Sponsored by:	Mellanox Technologies

Modified:
  stable/12/sys/dev/mlx5/mlx5_core/mlx5_core.h
  stable/12/sys/dev/mlx5/mlx5_core/mlx5_fwdump.c
  stable/12/sys/dev/mlx5/mlx5_core/mlx5_health.c
Directory Properties:
  stable/12/   (props changed)

Modified: stable/12/sys/dev/mlx5/mlx5_core/mlx5_core.h
==============================================================================
--- stable/12/sys/dev/mlx5/mlx5_core/mlx5_core.h	Mon Oct  7 09:52:10 2019	(r353244)
+++ stable/12/sys/dev/mlx5/mlx5_core/mlx5_core.h	Mon Oct  7 09:53:12 2019	(r353245)
@@ -110,7 +110,7 @@ void mlx5e_cleanup(void);
 int mlx5_ctl_init(void);
 void mlx5_ctl_fini(void);
 void mlx5_fwdump_prep(struct mlx5_core_dev *mdev);
-void mlx5_fwdump(struct mlx5_core_dev *mdev);
+int mlx5_fwdump(struct mlx5_core_dev *mdev);
 void mlx5_fwdump_clean(struct mlx5_core_dev *mdev);
 
 struct mlx5_crspace_regmap {

Modified: stable/12/sys/dev/mlx5/mlx5_core/mlx5_fwdump.c
==============================================================================
--- stable/12/sys/dev/mlx5/mlx5_core/mlx5_fwdump.c	Mon Oct  7 09:52:10 2019	(r353244)
+++ stable/12/sys/dev/mlx5/mlx5_core/mlx5_fwdump.c	Mon Oct  7 09:53:12 2019	(r353245)
@@ -148,7 +148,7 @@ unlock_vsc:
 	mlx5_vsc_unlock(mdev);
 }
 
-void
+int
 mlx5_fwdump(struct mlx5_core_dev *mdev)
 {
 	const struct mlx5_crspace_regmap *r;
@@ -157,12 +157,15 @@ mlx5_fwdump(struct mlx5_core_dev *mdev)
 
 	mlx5_core_info(mdev, "Issuing FW dump\n");
 	mtx_lock(&mdev->dump_lock);
-	if (mdev->dump_data == NULL)
+	if (mdev->dump_data == NULL) {
+		error = EIO;
 		goto failed;
+	}
 	if (mdev->dump_valid) {
 		/* only one dump */
 		mlx5_core_warn(mdev,
 		    "Only one FW dump can be captured aborting FW dump\n");
+		error = EEXIST;
 		goto failed;
 	}
 
@@ -187,6 +190,7 @@ unlock_vsc:
 	mlx5_vsc_unlock(mdev);
 failed:
 	mtx_unlock(&mdev->dump_lock);
+	return (error);
 }
 
 void
@@ -400,7 +404,7 @@ mlx5_ctl_ioctl(struct cdev *dev, u_long cmd, caddr_t d
 		error = mlx5_dbsf_to_core(devaddr, &mdev);
 		if (error != 0)
 			break;
-		mlx5_fwdump(mdev);
+		error = mlx5_fwdump(mdev);
 		break;
 	case MLX5_FW_UPDATE:
 		if ((fflag & FWRITE) == 0) {

Modified: stable/12/sys/dev/mlx5/mlx5_core/mlx5_health.c
==============================================================================
--- stable/12/sys/dev/mlx5/mlx5_core/mlx5_health.c	Mon Oct  7 09:52:10 2019	(r353244)
+++ stable/12/sys/dev/mlx5/mlx5_core/mlx5_health.c	Mon Oct  7 09:53:12 2019	(r353245)
@@ -300,7 +300,7 @@ void mlx5_enter_error_state(struct mlx5_core_dev *dev,
 
 		/* Execute cr-dump and SW reset */
 		if (lock != -EBUSY) {
-			mlx5_fwdump(dev);
+			(void)mlx5_fwdump(dev);
 			reset_fw_if_needed(dev);
 			delay_ms = MLX5_FW_RESET_WAIT_MS;
 		}

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