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path: root/drivers/vfio/pci/mlx5/main.c
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Diffstat (limited to 'drivers/vfio/pci/mlx5/main.c')
-rw-r--r--drivers/vfio/pci/mlx5/main.c38
1 files changed, 4 insertions, 34 deletions
diff --git a/drivers/vfio/pci/mlx5/main.c b/drivers/vfio/pci/mlx5/main.c
index bbec5d288fee..26065487881f 100644
--- a/drivers/vfio/pci/mlx5/main.c
+++ b/drivers/vfio/pci/mlx5/main.c
@@ -17,7 +17,6 @@
#include <linux/uaccess.h>
#include <linux/vfio.h>
#include <linux/sched/mm.h>
-#include <linux/vfio_pci_core.h>
#include <linux/anon_inodes.h>
#include "cmd.h"
@@ -25,20 +24,6 @@
/* Arbitrary to prevent userspace from consuming endless memory */
#define MAX_MIGRATION_SIZE (512*1024*1024)
-struct mlx5vf_pci_core_device {
- struct vfio_pci_core_device core_device;
- u16 vhca_id;
- u8 migrate_cap:1;
- u8 deferred_reset:1;
- /* protect migration state */
- struct mutex state_mutex;
- enum vfio_device_mig_state mig_state;
- /* protect the reset_done flow */
- spinlock_t reset_lock;
- struct mlx5_vf_migration_file *resuming_migf;
- struct mlx5_vf_migration_file *saving_migf;
-};
-
static struct page *
mlx5vf_get_migration_page(struct mlx5_vf_migration_file *migf,
unsigned long offset)
@@ -444,7 +429,7 @@ mlx5vf_pci_step_device_state_locked(struct mlx5vf_pci_core_device *mvdev,
* This function is called in all state_mutex unlock cases to
* handle a 'deferred_reset' if exists.
*/
-static void mlx5vf_state_mutex_unlock(struct mlx5vf_pci_core_device *mvdev)
+void mlx5vf_state_mutex_unlock(struct mlx5vf_pci_core_device *mvdev)
{
again:
spin_lock(&mvdev->reset_lock);
@@ -596,24 +581,7 @@ static int mlx5vf_pci_probe(struct pci_dev *pdev,
if (!mvdev)
return -ENOMEM;
vfio_pci_core_init_device(&mvdev->core_device, pdev, &mlx5vf_pci_ops);
-
- if (pdev->is_virtfn) {
- struct mlx5_core_dev *mdev =
- mlx5_vf_get_core_dev(pdev);
-
- if (mdev) {
- if (MLX5_CAP_GEN(mdev, migration)) {
- mvdev->migrate_cap = 1;
- mvdev->core_device.vdev.migration_flags =
- VFIO_MIGRATION_STOP_COPY |
- VFIO_MIGRATION_P2P;
- mutex_init(&mvdev->state_mutex);
- spin_lock_init(&mvdev->reset_lock);
- }
- mlx5_vf_put_core_dev(mdev);
- }
- }
-
+ mlx5vf_cmd_set_migratable(mvdev);
ret = vfio_pci_core_register_device(&mvdev->core_device);
if (ret)
goto out_free;
@@ -622,6 +590,7 @@ static int mlx5vf_pci_probe(struct pci_dev *pdev,
return 0;
out_free:
+ mlx5vf_cmd_remove_migratable(mvdev);
vfio_pci_core_uninit_device(&mvdev->core_device);
kfree(mvdev);
return ret;
@@ -632,6 +601,7 @@ static void mlx5vf_pci_remove(struct pci_dev *pdev)
struct mlx5vf_pci_core_device *mvdev = dev_get_drvdata(&pdev->dev);
vfio_pci_core_unregister_device(&mvdev->core_device);
+ mlx5vf_cmd_remove_migratable(mvdev);
vfio_pci_core_uninit_device(&mvdev->core_device);
kfree(mvdev);
}