diff options
Diffstat (limited to 'drivers/misc/vmw_vmci/vmci_doorbell.c')
| -rw-r--r-- | drivers/misc/vmw_vmci/vmci_doorbell.c | 53 |
1 files changed, 0 insertions, 53 deletions
diff --git a/drivers/misc/vmw_vmci/vmci_doorbell.c b/drivers/misc/vmw_vmci/vmci_doorbell.c index fa8a7fce4481..53eeb9e6cb56 100644 --- a/drivers/misc/vmw_vmci/vmci_doorbell.c +++ b/drivers/misc/vmw_vmci/vmci_doorbell.c @@ -258,23 +258,6 @@ static int dbell_unlink(struct vmci_handle handle) } /* - * Notify another guest or the host. We send a datagram down to the - * host via the hypervisor with the notification info. - */ -static int dbell_notify_as_guest(struct vmci_handle handle, u32 priv_flags) -{ - struct vmci_doorbell_notify_msg notify_msg; - - notify_msg.hdr.dst = vmci_make_handle(VMCI_HYPERVISOR_CONTEXT_ID, - VMCI_DOORBELL_NOTIFY); - notify_msg.hdr.src = VMCI_ANON_SRC_HANDLE; - notify_msg.hdr.payload_size = sizeof(notify_msg) - VMCI_DG_HEADERSIZE; - notify_msg.handle = handle; - - return vmci_send_datagram(¬ify_msg.hdr); -} - -/* * Calls the specified callback in a delayed context. */ static void dbell_delayed_dispatch(struct work_struct *work) @@ -566,39 +549,3 @@ int vmci_doorbell_destroy(struct vmci_handle handle) return VMCI_SUCCESS; } EXPORT_SYMBOL_GPL(vmci_doorbell_destroy); - -/* - * vmci_doorbell_notify() - Ring the doorbell (and hide in the bushes). - * @dst: The handlle identifying the doorbell resource - * @priv_flags: Priviledge flags. - * - * Generates a notification on the doorbell identified by the - * handle. For host side generation of notifications, the caller - * can specify what the privilege of the calling side is. - */ -int vmci_doorbell_notify(struct vmci_handle dst, u32 priv_flags) -{ - int retval; - enum vmci_route route; - struct vmci_handle src; - - if (vmci_handle_is_invalid(dst) || - (priv_flags & ~VMCI_PRIVILEGE_ALL_FLAGS)) - return VMCI_ERROR_INVALID_ARGS; - - src = VMCI_INVALID_HANDLE; - retval = vmci_route(&src, &dst, false, &route); - if (retval < VMCI_SUCCESS) - return retval; - - if (VMCI_ROUTE_AS_HOST == route) - return vmci_ctx_notify_dbell(VMCI_HOST_CONTEXT_ID, - dst, priv_flags); - - if (VMCI_ROUTE_AS_GUEST == route) - return dbell_notify_as_guest(dst, priv_flags); - - pr_warn("Unknown route (%d) for doorbell\n", route); - return VMCI_ERROR_DST_UNREACHABLE; -} -EXPORT_SYMBOL_GPL(vmci_doorbell_notify); |