b819cea2f73f98c5662230cc9affc8cc84f77fcfGordon Ross * CDDL HEADER START
b819cea2f73f98c5662230cc9affc8cc84f77fcfGordon Ross * The contents of this file are subject to the terms of the
b819cea2f73f98c5662230cc9affc8cc84f77fcfGordon Ross * Common Development and Distribution License (the "License").
b819cea2f73f98c5662230cc9affc8cc84f77fcfGordon Ross * You may not use this file except in compliance with the License.
b819cea2f73f98c5662230cc9affc8cc84f77fcfGordon Ross * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
b819cea2f73f98c5662230cc9affc8cc84f77fcfGordon Ross * See the License for the specific language governing permissions
b819cea2f73f98c5662230cc9affc8cc84f77fcfGordon Ross * and limitations under the License.
b819cea2f73f98c5662230cc9affc8cc84f77fcfGordon Ross * When distributing Covered Code, include this CDDL HEADER in each
b819cea2f73f98c5662230cc9affc8cc84f77fcfGordon Ross * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
b819cea2f73f98c5662230cc9affc8cc84f77fcfGordon Ross * If applicable, add the following below this CDDL HEADER, with the
b819cea2f73f98c5662230cc9affc8cc84f77fcfGordon Ross * fields enclosed by brackets "[]" replaced with your own identifying
b819cea2f73f98c5662230cc9affc8cc84f77fcfGordon Ross * information: Portions Copyright [yyyy] [name of copyright owner]
b819cea2f73f98c5662230cc9affc8cc84f77fcfGordon Ross * CDDL HEADER END
b819cea2f73f98c5662230cc9affc8cc84f77fcfGordon Ross * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
b819cea2f73f98c5662230cc9affc8cc84f77fcfGordon Ross * Copyright 2013 Nexenta Systems, Inc. All rights reserved.
b819cea2f73f98c5662230cc9affc8cc84f77fcfGordon Ross * "Upcall" glue for the fake (user-mode) smbsrv module.
b819cea2f73f98c5662230cc9affc8cc84f77fcfGordon Rossstatic void smb_kdoor_sethdr(smb_doorarg_t *, uint32_t);
b819cea2f73f98c5662230cc9affc8cc84f77fcfGordon Rossstatic boolean_t smb_kdoor_chkhdr(smb_doorarg_t *, smb_doorhdr_t *);
b819cea2f73f98c5662230cc9affc8cc84f77fcfGordon Ross mutex_init(&sv->sv_kdoor_mutex, NULL, MUTEX_DEFAULT, NULL);
b819cea2f73f98c5662230cc9affc8cc84f77fcfGordon Ross cv_init(&sv->sv_kdoor_cv, NULL, CV_DEFAULT, NULL);
b819cea2f73f98c5662230cc9affc8cc84f77fcfGordon Ross * In the "fake kernen", our "upcalls" don't use the
b819cea2f73f98c5662230cc9affc8cc84f77fcfGordon Ross * real door, but just call via a function pointer.
b819cea2f73f98c5662230cc9affc8cc84f77fcfGordon Ross * This is where we setup that pointer, which is
b819cea2f73f98c5662230cc9affc8cc84f77fcfGordon Ross * fksmbd_door_dispatch()
b819cea2f73f98c5662230cc9affc8cc84f77fcfGordon Ross/* ARGSUSED */
b819cea2f73f98c5662230cc9affc8cc84f77fcfGordon Ross cmn_err(CE_WARN, "smb_kdoor_upcall[%s]: invalid param",
b819cea2f73f98c5662230cc9affc8cc84f77fcfGordon Ross return (-1);
b819cea2f73f98c5662230cc9affc8cc84f77fcfGordon Ross /* NB: no ASYNC, nor event stuff */
b819cea2f73f98c5662230cc9affc8cc84f77fcfGordon Ross func = (fksmb_kdoor_disp_func_t *)(sv->sv_kdoor_hd);
b819cea2f73f98c5662230cc9affc8cc84f77fcfGordon Ross * The "upcall" (just call via function pointer)
b819cea2f73f98c5662230cc9affc8cc84f77fcfGordon Ross * i.e. see: fksmbd_door_dispatch()
b819cea2f73f98c5662230cc9affc8cc84f77fcfGordon Ross/* no smb_kdoor_send, smb_kdoor_receive */
b819cea2f73f98c5662230cc9affc8cc84f77fcfGordon Ross/* no smb_kdoor_upcall_private */
b819cea2f73f98c5662230cc9affc8cc84f77fcfGordon Ross len += xdr_sizeof(da->da_req_xdr, da->da_req_data);
b819cea2f73f98c5662230cc9affc8cc84f77fcfGordon Ross cmn_err(CE_WARN, "smb_kdoor_encode[%s]: header encode failed",
b819cea2f73f98c5662230cc9affc8cc84f77fcfGordon Ross return (-1);
b819cea2f73f98c5662230cc9affc8cc84f77fcfGordon Ross cmn_err(CE_WARN, "smb_kdoor_encode[%s]: encode failed",
b819cea2f73f98c5662230cc9affc8cc84f77fcfGordon Ross return (-1);
b819cea2f73f98c5662230cc9affc8cc84f77fcfGordon Ross * Decode the response in rbuf and rsize.
b819cea2f73f98c5662230cc9affc8cc84f77fcfGordon Ross cmn_err(CE_WARN, "smb_kdoor_decode[%s]: invalid param",
b819cea2f73f98c5662230cc9affc8cc84f77fcfGordon Ross return (-1);
b819cea2f73f98c5662230cc9affc8cc84f77fcfGordon Ross cmn_err(CE_WARN, "smb_kdoor_decode[%s]: header decode failed",
b819cea2f73f98c5662230cc9affc8cc84f77fcfGordon Ross return (-1);
b819cea2f73f98c5662230cc9affc8cc84f77fcfGordon Ross return (-1);
b819cea2f73f98c5662230cc9affc8cc84f77fcfGordon Ross if (hdr.dh_datalen != 0 && da->da_rsp_xdr != NULL) {
b819cea2f73f98c5662230cc9affc8cc84f77fcfGordon Ross cmn_err(CE_WARN, "smb_kdoor_decode[%s]: decode failed",
b819cea2f73f98c5662230cc9affc8cc84f77fcfGordon Ross return (-1);
b819cea2f73f98c5662230cc9affc8cc84f77fcfGordon Rosssmb_kdoor_sethdr(smb_doorarg_t *da, uint32_t datalen)
b819cea2f73f98c5662230cc9affc8cc84f77fcfGordon Ross hdr->dh_flags = da->da_flags | SMB_DF_FAKE_KERNEL;
b819cea2f73f98c5662230cc9affc8cc84f77fcfGordon Ross /* hdr->dh_txid = 0 (not used) */
b819cea2f73f98c5662230cc9affc8cc84f77fcfGordon Rosssmb_kdoor_chkhdr(smb_doorarg_t *da, smb_doorhdr_t *hdr)
b819cea2f73f98c5662230cc9affc8cc84f77fcfGordon Ross cmn_err(CE_WARN, "smb_kdoor_chkhdr[%s]: invalid header",
b819cea2f73f98c5662230cc9affc8cc84f77fcfGordon Ross /* SMB_DOP_EMPTYBUF is a "normal" error (silent). */
b819cea2f73f98c5662230cc9affc8cc84f77fcfGordon Ross cmn_err(CE_WARN, "smb_kdoor_chkhdr[%s]: call failed: %u",
b819cea2f73f98c5662230cc9affc8cc84f77fcfGordon Ross * Free both the argument and result door buffers regardless of the status
b819cea2f73f98c5662230cc9affc8cc84f77fcfGordon Ross * of the up-call. The doorfs allocates a new buffer if the result buffer
b819cea2f73f98c5662230cc9affc8cc84f77fcfGordon Ross * passed by the client is too small.
b819cea2f73f98c5662230cc9affc8cc84f77fcfGordon Ross if (arg->rbuf != NULL && arg->rbuf != arg->data_ptr)