| 1 | /* $Id: HGSMIBase.h 69015 2017-10-09 12:50:34Z vboxsync $ */
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| 2 | /** @file
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| 3 | * VBox Host Guest Shared Memory Interface (HGSMI) - buffer management.
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| 4 | */
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| 5 |
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| 6 | /*
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| 7 | * Copyright (C) 2006-2017 Oracle Corporation
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| 8 | *
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| 9 | * Permission is hereby granted, free of charge, to any person obtaining a
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| 10 | * copy of this software and associated documentation files (the "Software"),
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| 11 | * to deal in the Software without restriction, including without limitation
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| 12 | * the rights to use, copy, modify, merge, publish, distribute, sublicense,
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| 13 | * and/or sell copies of the Software, and to permit persons to whom the
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| 14 | * Software is furnished to do so, subject to the following conditions:
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| 15 | *
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| 16 | * The above copyright notice and this permission notice shall be included in
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| 17 | * all copies or substantial portions of the Software.
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| 18 | *
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| 19 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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| 20 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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| 21 | * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
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| 22 | * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
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| 23 | * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
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| 24 | * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
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| 25 | * USE OR OTHER DEALINGS IN THE SOFTWARE.
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| 26 | */
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| 27 |
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| 28 |
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| 29 | #ifndef ___VBox_Graphics_HGSMIBase_h___
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| 30 | #define ___VBox_Graphics_HGSMIBase_h___
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| 31 |
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| 32 | #include "HGSMI.h"
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| 33 | #include "HGSMIContext.h"
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| 34 | #include "VBoxVideoIPRT.h"
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| 35 |
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| 36 | RT_C_DECLS_BEGIN
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| 37 |
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| 38 | /** @name Base HGSMI Buffer APIs
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| 39 | * @{ */
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| 40 |
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| 41 | /** Acknowlege an IRQ. */
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| 42 | DECLINLINE(void) VBoxHGSMIClearIrq(PHGSMIHOSTCOMMANDCONTEXT pCtx)
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| 43 | {
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| 44 | VBVO_PORT_WRITE_U32(pCtx->port, HGSMIOFFSET_VOID);
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| 45 | }
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| 46 |
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| 47 | DECLHIDDEN(void *) VBoxHGSMIBufferAlloc(PHGSMIGUESTCOMMANDCONTEXT pCtx,
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| 48 | HGSMISIZE cbData,
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| 49 | uint8_t u8Ch,
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| 50 | uint16_t u16Op);
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| 51 | DECLHIDDEN(void) VBoxHGSMIBufferFree(PHGSMIGUESTCOMMANDCONTEXT pCtx,
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| 52 | void *pvBuffer);
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| 53 | DECLHIDDEN(int) VBoxHGSMIBufferSubmit(PHGSMIGUESTCOMMANDCONTEXT pCtx,
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| 54 | void *pvBuffer);
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| 55 | /** @} */
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| 56 |
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| 57 | RT_C_DECLS_END
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| 58 |
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| 59 | #endif
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