diff options
Diffstat (limited to 'sys/dev/hyperv/include/vmbus_xact.h')
| -rw-r--r-- | sys/dev/hyperv/include/vmbus_xact.h | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/sys/dev/hyperv/include/vmbus_xact.h b/sys/dev/hyperv/include/vmbus_xact.h new file mode 100644 index 0000000..62fda01 --- /dev/null +++ b/sys/dev/hyperv/include/vmbus_xact.h @@ -0,0 +1,60 @@ +/*- + * 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> +#include <machine/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, + size_t priv_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_priv(const struct vmbus_xact *xact, + size_t priv_len); +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); +void vmbus_xact_ctx_wakeup(struct vmbus_xact_ctx *ctx, + const void *data, size_t dlen); + +#endif /* !_VMBUS_XACT_H_ */ |
