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sys/dev/hyperv/include/vmbus_xact.h
- This file was added.
| /*- | |||||
| * Copyright (c) 2016 Microsoft Corp. | |||||
| * 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 unmodified, 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. | |||||
| * | |||||
| * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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 _VMBUS_XACT_H_ | |||||
| #define _VMBUS_XACT_H_ | |||||
| #include <sys/param.h> | |||||
| #include <sys/bus.h> | |||||
| struct vmbus_xact; | |||||
| struct vmbus_xact_ctx; | |||||
| struct vmbus_xact_ctx *vmbus_xact_ctx_create(bus_dma_tag_t dtag, | |||||
| size_t req_size, size_t resp_size); | |||||
| void vmbus_xact_ctx_destroy(struct vmbus_xact_ctx *ctx); | |||||
| struct vmbus_xact *vmbus_xact_get(struct vmbus_xact_ctx *ctx, | |||||
| size_t req_len); | |||||
| void vmbus_xact_put(struct vmbus_xact *xact); | |||||
| void *vmbus_xact_req_data(const struct vmbus_xact *xact); | |||||
| bus_addr_t vmbus_xact_req_paddr(const struct vmbus_xact *xact); | |||||
| void vmbus_xact_activate(struct vmbus_xact *xact); | |||||
| void vmbus_xact_deactivate(struct vmbus_xact *xact); | |||||
| const void *vmbus_xact_wait(struct vmbus_xact *xact, | |||||
| size_t *resp_len); | |||||
| void vmbus_xact_wakeup(struct vmbus_xact *xact, | |||||
| const void *data, size_t dlen); | |||||
| #endif /* !_VMBUS_XACT_H_ */ | |||||