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authorJagannathan Raman <jag.raman@oracle.com>2022-06-13 16:26:34 -0400
committerStefan Hajnoczi <stefanha@redhat.com>2022-06-15 16:43:42 +0100
commit78e27dfa8d1c91171d49660aa50cbe6c424d41be (patch)
tree33c8528c0852e7d410d9b0959144c4d8a048485c /hw
parent08cf3dc611991e9697f62458107e13f2c582869a (diff)
vfio-user: handle reset of remote device
Adds handler to reset a remote device Signed-off-by: Elena Ufimtseva <elena.ufimtseva@oracle.com> Signed-off-by: John G Johnson <john.g.johnson@oracle.com> Signed-off-by: Jagannathan Raman <jag.raman@oracle.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Message-id: 112eeadf3bc4c6cdb100bc3f9a6fcfc20b467c1b.1655151679.git.jag.raman@oracle.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Diffstat (limited to 'hw')
-rw-r--r--hw/remote/vfio-user-obj.c20
1 files changed, 20 insertions, 0 deletions
diff --git a/hw/remote/vfio-user-obj.c b/hw/remote/vfio-user-obj.c
index 5ecdec06f6..c6cc53acf2 100644
--- a/hw/remote/vfio-user-obj.c
+++ b/hw/remote/vfio-user-obj.c
@@ -676,6 +676,20 @@ void vfu_object_set_bus_irq(PCIBus *pci_bus)
max_bdf);
}
+static int vfu_object_device_reset(vfu_ctx_t *vfu_ctx, vfu_reset_type_t type)
+{
+ VfuObject *o = vfu_get_private(vfu_ctx);
+
+ /* vfu_object_ctx_run() handles lost connection */
+ if (type == VFU_RESET_LOST_CONN) {
+ return 0;
+ }
+
+ qdev_reset_all(DEVICE(o->pci_dev));
+
+ return 0;
+}
+
/*
* TYPE_VFU_OBJECT depends on the availability of the 'socket' and 'device'
* properties. It also depends on devices instantiated in QEMU. These
@@ -795,6 +809,12 @@ static void vfu_object_init_ctx(VfuObject *o, Error **errp)
goto fail;
}
+ ret = vfu_setup_device_reset_cb(o->vfu_ctx, &vfu_object_device_reset);
+ if (ret < 0) {
+ error_setg(errp, "vfu: Failed to setup reset callback");
+ goto fail;
+ }
+
ret = vfu_realize_ctx(o->vfu_ctx);
if (ret < 0) {
error_setg(errp, "vfu: Failed to realize device %s- %s",