1/****************************************************************************** 2 3 Copyright (c) 2013-2014, Intel Corporation 4 All rights reserved. 5 6 Redistribution and use in source and binary forms, with or without 7 modification, are permitted provided that the following conditions are met: 8 9 1. Redistributions of source code must retain the above copyright notice, 10 this list of conditions and the following disclaimer. 11 12 2. Redistributions in binary form must reproduce the above copyright 13 notice, this list of conditions and the following disclaimer in the 14 documentation and/or other materials provided with the distribution. 15 16 3. Neither the name of the Intel Corporation nor the names of its 17 contributors may be used to endorse or promote products derived from 18 this software without specific prior written permission. 19 20 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 21 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 24 LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 25 CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 26 SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 27 INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 28 CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 29 ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 30 POSSIBILITY OF SUCH DAMAGE. 31 32******************************************************************************/ 33/*$FreeBSD$*/ 34 35#ifndef _IXLV_VC_MGR_H_ 36#define _IXLV_VC_MGR_H_ 37 38#include <sys/queue.h> 39 40struct ixl_vc_cmd; 41 42typedef void ixl_vc_callback_t(struct ixl_vc_cmd *, void *, 43 enum i40e_status_code); 44 45 46#define IXLV_VC_CMD_FLAG_BUSY 0x0001 47 48struct ixl_vc_cmd 49{ 50 uint32_t request; 51 uint32_t flags; 52 53 ixl_vc_callback_t *callback; 54 void *arg; 55 56 TAILQ_ENTRY(ixl_vc_cmd) next; 57}; 58 59struct ixl_vc_mgr 60{ 61 struct ixlv_sc *sc; 62 struct ixl_vc_cmd *current; 63 struct callout callout; 64 65 TAILQ_HEAD(, ixl_vc_cmd) pending; 66}; 67 68#define IXLV_VC_TIMEOUT (2 * hz) 69 70void ixl_vc_init_mgr(struct ixlv_sc *, struct ixl_vc_mgr *); 71void ixl_vc_enqueue(struct ixl_vc_mgr *, struct ixl_vc_cmd *, 72 uint32_t, ixl_vc_callback_t *, void *); 73void ixl_vc_flush(struct ixl_vc_mgr *mgr); 74 75#endif 76 77