diff --git a/sys/dev/ixl/ixlv_vc_mgr.h b/sys/dev/ixl/ixlv_vc_mgr.h new file mode 100644 index 000000000000..0107064d254c --- /dev/null +++ b/sys/dev/ixl/ixlv_vc_mgr.h @@ -0,0 +1,76 @@ +/****************************************************************************** + + Copyright (c) 2013-2014, Intel Corporation + All rights reserved. + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions are met: + + 1. Redistributions of source code must retain the above copyright notice, + this list of conditions and the following disclaimer. + + 2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in the + documentation and/or other materials provided with the distribution. + + 3. Neither the name of the Intel Corporation nor the names of its + contributors may be used to endorse or promote products derived from + this software without specific prior written permission. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE + LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + POSSIBILITY OF SUCH DAMAGE. + +******************************************************************************/ +/*$FreeBSD$*/ + +#ifndef _IXLV_VC_MGR_H_ +#define _IXLV_VC_MGR_H_ + +#include + +struct ixl_vc_cmd; + +typedef void ixl_vc_callback_t(struct ixl_vc_cmd *, void *, + enum i40e_status_code); + + +#define IXLV_VC_CMD_FLAG_BUSY 0x0001 + +struct ixl_vc_cmd +{ + uint32_t request; + uint32_t flags; + + ixl_vc_callback_t *callback; + void *arg; + + TAILQ_ENTRY(ixl_vc_cmd) next; +}; + +struct ixl_vc_mgr +{ + struct ixlv_sc *sc; + struct ixl_vc_cmd *current; + struct callout callout; + + TAILQ_HEAD(, ixl_vc_cmd) pending; +}; + +#define IXLV_VC_TIMEOUT (2 * hz) + +void ixl_vc_init_mgr(struct ixlv_sc *, struct ixl_vc_mgr *); +void ixl_vc_enqueue(struct ixl_vc_mgr *, struct ixl_vc_cmd *, + uint32_t, ixl_vc_callback_t *, void *); +void ixl_vc_flush(struct ixl_vc_mgr *mgr); + +#endif +