diff --git a/drivers/vfio/pci/vfio_pci_core.c b/drivers/vfio/pci/vfio_pci_core.c index a28f1e99362c..f8d1755de2ce 100644 --- a/drivers/vfio/pci/vfio_pci_core.c +++ b/drivers/vfio/pci/vfio_pci_core.c @@ -538,7 +538,7 @@ int vfio_pci_core_enable(struct vfio_pci_core_device *vdev) u16 cmd; u8 msix_pos; - if (!disable_idle_d3) { + if (!vdev->disable_idle_d3) { ret = pm_runtime_resume_and_get(&pdev->dev); if (ret < 0) return ret; @@ -617,7 +617,7 @@ int vfio_pci_core_enable(struct vfio_pci_core_device *vdev) out_disable_device: pci_disable_device(pdev); out_power: - if (!disable_idle_d3) + if (!vdev->disable_idle_d3) pm_runtime_put(&pdev->dev); return ret; } @@ -753,7 +753,7 @@ void vfio_pci_core_disable(struct vfio_pci_core_device *vdev) vfio_pci_dev_set_try_reset(vdev->vdev.dev_set); /* Put the pm-runtime usage counter acquired during enable */ - if (!disable_idle_d3) + if (!vdev->disable_idle_d3) pm_runtime_put(&pdev->dev); } EXPORT_SYMBOL_GPL(vfio_pci_core_disable); @@ -2144,6 +2144,8 @@ int vfio_pci_core_init_dev(struct vfio_device *core_vdev) init_rwsem(&vdev->memory_lock); xa_init(&vdev->ctx); + vdev->disable_idle_d3 = disable_idle_d3; + return 0; } EXPORT_SYMBOL_GPL(vfio_pci_core_init_dev); @@ -2239,7 +2241,7 @@ int vfio_pci_core_register_device(struct vfio_pci_core_device *vdev) dev->driver->pm = &vfio_pci_core_pm_ops; pm_runtime_allow(dev); - if (!disable_idle_d3) + if (!vdev->disable_idle_d3) pm_runtime_put(dev); ret = vfio_register_group_dev(&vdev->vdev); @@ -2248,7 +2250,7 @@ int vfio_pci_core_register_device(struct vfio_pci_core_device *vdev) return 0; out_power: - if (!disable_idle_d3) + if (!vdev->disable_idle_d3) pm_runtime_get_noresume(dev); pm_runtime_forbid(dev); @@ -2267,7 +2269,7 @@ void vfio_pci_core_unregister_device(struct vfio_pci_core_device *vdev) vfio_pci_vf_uninit(vdev); vfio_pci_vga_uninit(vdev); - if (!disable_idle_d3) + if (!vdev->disable_idle_d3) pm_runtime_get_noresume(&vdev->pdev->dev); pm_runtime_forbid(&vdev->pdev->dev); @@ -2599,7 +2601,7 @@ static void vfio_pci_dev_set_try_reset(struct vfio_device_set *dev_set) * state. Increment the usage count for all the devices in the dev_set * before reset and decrement the same after reset. */ - if (!disable_idle_d3 && vfio_pci_dev_set_pm_runtime_get(dev_set)) + if (vfio_pci_dev_set_pm_runtime_get(dev_set)) return; if (!pci_reset_bus(pdev)) @@ -2609,8 +2611,7 @@ static void vfio_pci_dev_set_try_reset(struct vfio_device_set *dev_set) if (reset_done) cur->needs_reset = false; - if (!disable_idle_d3) - pm_runtime_put(&cur->pdev->dev); + pm_runtime_put(&cur->pdev->dev); } } diff --git a/include/linux/vfio_pci_core.h b/include/linux/vfio_pci_core.h index 5fc6ce4dd786..27aab3fdbb91 100644 --- a/include/linux/vfio_pci_core.h +++ b/include/linux/vfio_pci_core.h @@ -127,6 +127,7 @@ struct vfio_pci_core_device { bool needs_pm_restore:1; bool pm_intx_masked:1; bool pm_runtime_engaged:1; + bool disable_idle_d3:1; bool sriov_active; struct pci_saved_state *pci_saved_state; struct pci_saved_state *pm_save;