netdev - [PATCH V4 mlx5-next 07/13] vfio: Add a macro for VFIO_DEVICE_STATE

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Date:   Tue, 26 Oct 2021 12:05:59 +0300
From:   Yishai Hadas <yishaih@...dia.com>
To:     <alex.williamson@...hat.com>, <bhelgaas@...gle.com>,
        <jgg@...dia.com>, <saeedm@...dia.com>
CC:     <linux-pci@...r.kernel.org>, <kvm@...r.kernel.org>,
        <netdev@...r.kernel.org>, <kuba@...nel.org>, <leonro@...dia.com>,
        <kwankhede@...dia.com>, <mgurtovoy@...dia.com>,
        <yishaih@...dia.com>, <maorg@...dia.com>
Subject: [PATCH V4 mlx5-next 07/13] vfio: Add a macro for VFIO_DEVICE_STATE_ERROR

Add a macro for VFIO_DEVICE_STATE_ERROR to be used to set/check an error
state.

In addition, update existing macros that include _SAVING | _RESUMING to
use it.

Signed-off-by: Yishai Hadas <yishaih@...dia.com>
---
 include/uapi/linux/vfio.h | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/include/uapi/linux/vfio.h b/include/uapi/linux/vfio.h
index 114ffcefe437..63ab0b9abd94 100644
--- a/include/uapi/linux/vfio.h
+++ b/include/uapi/linux/vfio.h
@@ -609,6 +609,8 @@ struct vfio_device_migration_info {
 #define VFIO_DEVICE_STATE_RUNNING   (1 << 0)
 #define VFIO_DEVICE_STATE_SAVING    (1 << 1)
 #define VFIO_DEVICE_STATE_RESUMING  (1 << 2)
+#define VFIO_DEVICE_STATE_ERROR (VFIO_DEVICE_STATE_SAVING | \
+				 VFIO_DEVICE_STATE_RESUMING)
 #define VFIO_DEVICE_STATE_MASK      (VFIO_DEVICE_STATE_RUNNING | \
 				     VFIO_DEVICE_STATE_SAVING |  \
 				     VFIO_DEVICE_STATE_RESUMING)
@@ -618,12 +620,10 @@ struct vfio_device_migration_info {
 	(state & VFIO_DEVICE_STATE_MASK) == VFIO_DEVICE_STATE_RESUMING : 1)
 
 #define VFIO_DEVICE_STATE_IS_ERROR(state) \
-	((state & VFIO_DEVICE_STATE_MASK) == (VFIO_DEVICE_STATE_SAVING | \
-					      VFIO_DEVICE_STATE_RESUMING))
+	((state & VFIO_DEVICE_STATE_MASK) == (VFIO_DEVICE_STATE_ERROR))
 
 #define VFIO_DEVICE_STATE_SET_ERROR(state) \
-	((state & ~VFIO_DEVICE_STATE_MASK) | VFIO_DEVICE_STATE_SAVING | \
-					     VFIO_DEVICE_STATE_RESUMING)
+	((state & ~VFIO_DEVICE_STATE_MASK) | VFIO_DEVICE_STATE_ERROR)
 
 	__u32 reserved;
 	__u64 pending_bytes;
-- 
2.18.1