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path: root/drivers/vfio/pci/vfio_pci_zdev.c
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Diffstat (limited to 'drivers/vfio/pci/vfio_pci_zdev.c')
-rw-r--r--drivers/vfio/pci/vfio_pci_zdev.c41
1 files changed, 36 insertions, 5 deletions
diff --git a/drivers/vfio/pci/vfio_pci_zdev.c b/drivers/vfio/pci/vfio_pci_zdev.c
index ea4c0d2b0663..0990fdb146b7 100644
--- a/drivers/vfio/pci/vfio_pci_zdev.c
+++ b/drivers/vfio/pci/vfio_pci_zdev.c
@@ -11,10 +11,11 @@
#include <linux/uaccess.h>
#include <linux/vfio.h>
#include <linux/vfio_zdev.h>
+#include <linux/kvm_host.h>
#include <asm/pci_clp.h>
#include <asm/pci_io.h>
-#include <linux/vfio_pci_core.h>
+#include "vfio_pci_priv.h"
/*
* Add the Base PCI Function information to the device info region.
@@ -23,14 +24,15 @@ static int zpci_base_cap(struct zpci_dev *zdev, struct vfio_info_cap *caps)
{
struct vfio_device_info_cap_zpci_base cap = {
.header.id = VFIO_DEVICE_INFO_CAP_ZPCI_BASE,
- .header.version = 1,
+ .header.version = 2,
.start_dma = zdev->start_dma,
.end_dma = zdev->end_dma,
.pchid = zdev->pchid,
.vfn = zdev->vfn,
.fmb_length = zdev->fmb_length,
.pft = zdev->pft,
- .gid = zdev->pfgid
+ .gid = zdev->pfgid,
+ .fh = zdev->fh
};
return vfio_info_add_capability(caps, &cap.header, sizeof(cap));
@@ -43,14 +45,16 @@ static int zpci_group_cap(struct zpci_dev *zdev, struct vfio_info_cap *caps)
{
struct vfio_device_info_cap_zpci_group cap = {
.header.id = VFIO_DEVICE_INFO_CAP_ZPCI_GROUP,
- .header.version = 1,
+ .header.version = 2,
.dasm = zdev->dma_mask,
.msi_addr = zdev->msi_addr,
.flags = VFIO_DEVICE_INFO_ZPCI_FLAG_REFRESH,
.mui = zdev->fmb_update,
.noi = zdev->max_msi,
.maxstbl = ZPCI_MAX_WRITE_SIZE,
- .version = zdev->version
+ .version = zdev->version,
+ .reserved = 0,
+ .imaxstbl = zdev->maxstbl
};
return vfio_info_add_capability(caps, &cap.header, sizeof(cap));
@@ -136,3 +140,30 @@ int vfio_pci_info_zdev_add_caps(struct vfio_pci_core_device *vdev,
return ret;
}
+
+int vfio_pci_zdev_open_device(struct vfio_pci_core_device *vdev)
+{
+ struct zpci_dev *zdev = to_zpci(vdev->pdev);
+
+ if (!zdev)
+ return -ENODEV;
+
+ if (!vdev->vdev.kvm)
+ return 0;
+
+ if (zpci_kvm_hook.kvm_register)
+ return zpci_kvm_hook.kvm_register(zdev, vdev->vdev.kvm);
+
+ return -ENOENT;
+}
+
+void vfio_pci_zdev_close_device(struct vfio_pci_core_device *vdev)
+{
+ struct zpci_dev *zdev = to_zpci(vdev->pdev);
+
+ if (!zdev || !vdev->vdev.kvm)
+ return;
+
+ if (zpci_kvm_hook.kvm_unregister)
+ zpci_kvm_hook.kvm_unregister(zdev);
+}