| 1 | /* $Id: VBoxGuestR0LibIdc-solaris.cpp 76553 2019-01-01 01:45:53Z vboxsync $ */
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| 2 | /** @file
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| 3 | * VBoxGuestLib - Ring-0 Support Library for VBoxGuest, IDC, Solaris specific.
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| 4 | */
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| 5 |
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| 6 | /*
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| 7 | * Copyright (C) 2008-2019 Oracle Corporation
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| 8 | *
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| 9 | * Permission is hereby granted, free of charge, to any person
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| 10 | * obtaining a copy of this software and associated documentation
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| 11 | * files (the "Software"), to deal in the Software without
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| 12 | * restriction, including without limitation the rights to use,
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| 13 | * copy, modify, merge, publish, distribute, sublicense, and/or sell
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| 14 | * copies of the Software, and to permit persons to whom the
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| 15 | * Software is furnished to do so, subject to the following
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| 16 | * conditions:
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| 17 | *
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| 18 | * The above copyright notice and this permission notice shall be
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| 19 | * included in all copies or substantial portions of the Software.
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| 20 | *
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| 21 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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| 22 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
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| 23 | * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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| 24 | * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
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| 25 | * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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| 26 | * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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| 27 | * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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| 28 | * OTHER DEALINGS IN THE SOFTWARE.
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| 29 | */
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| 30 |
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| 31 |
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| 32 | /*********************************************************************************************************************************
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| 33 | * Header Files *
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| 34 | *********************************************************************************************************************************/
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| 35 | #include <sys/conf.h>
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| 36 | #include <sys/sunldi.h>
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| 37 | #include <sys/file.h>
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| 38 | #undef u /* /usr/include/sys/user.h:249:1 is where this is defined to (curproc->p_user). very cool. */
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| 39 | #include "VBoxGuestR0LibInternal.h"
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| 40 | #include <VBox/err.h>
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| 41 |
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| 42 |
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| 43 | int VBOXCALL vbglR0IdcNativeOpen(PVBGLIDCHANDLE pHandle, PVBGLIOCIDCCONNECT pReq)
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| 44 | {
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| 45 | ldi_handle_t hDev = NULL;
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| 46 | ldi_ident_t hIdent = ldi_ident_from_anon();
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| 47 | int rc = ldi_open_by_name((char *)VBOXGUEST_DEVICE_NAME, FREAD, kcred, &hDev, hIdent);
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| 48 | ldi_ident_release(hIdent);
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| 49 | if (rc == 0)
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| 50 | {
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| 51 | pHandle->s.hDev = hDev;
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| 52 | rc = VbglR0IdcCallRaw(pHandle, VBGL_IOCTL_IDC_CONNECT, &pReq->Hdr, sizeof(*pReq));
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| 53 | if (RT_SUCCESS(rc) && RT_SUCCESS(pReq->Hdr.rc))
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| 54 | return VINF_SUCCESS;
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| 55 | ldi_close(hDev, FREAD, kcred);
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| 56 | }
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| 57 | else
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| 58 | rc = VERR_OPEN_FAILED;
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| 59 | pHandle->s.hDev = NULL;
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| 60 | return rc;
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| 61 | }
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| 62 |
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| 63 |
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| 64 | int VBOXCALL vbglR0IdcNativeClose(PVBGLIDCHANDLE pHandle, PVBGLIOCIDCDISCONNECT pReq)
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| 65 | {
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| 66 | int rc = VbglR0IdcCallRaw(pHandle, VBGL_IOCTL_IDC_DISCONNECT, &pReq->Hdr, sizeof(*pReq));
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| 67 | if (RT_SUCCESS(rc) && RT_SUCCESS(pReq->Hdr.rc))
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| 68 | {
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| 69 | ldi_close(pHandle->s.hDev, FREAD, kcred);
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| 70 | pHandle->s.hDev = NULL;
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| 71 | }
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| 72 | return rc;
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| 73 | }
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| 74 |
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| 75 |
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| 76 | /**
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| 77 | * Makes an IDC call, returning only the I/O control status code.
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| 78 | *
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| 79 | * @returns VBox status code (the I/O control failure status).
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| 80 | * @param pHandle The IDC handle.
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| 81 | * @param uReq The request number.
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| 82 | * @param pReqHdr The request header.
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| 83 | * @param cbReq The request size.
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| 84 | */
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| 85 | DECLR0VBGL(int) VbglR0IdcCallRaw(PVBGLIDCHANDLE pHandle, uintptr_t uReq, PVBGLREQHDR pReqHdr, uint32_t cbReq)
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| 86 | {
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| 87 | #if 0
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| 88 | return VBoxGuestIDC(pHandle->s.pvSession, uReq, pReqHdr, cbReq);
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| 89 | #else
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| 90 | int iIgn;
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| 91 | int rc = ldi_ioctl(pHandle->s.hDev, uReq, (intptr_t)pReqHdr, FKIOCTL | FNATIVE, kcred, &iIgn);
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| 92 | if (rc == 0)
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| 93 | return VINF_SUCCESS;
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| 94 | return RTErrConvertFromErrno(rc);
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| 95 | #endif
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| 96 | }
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| 97 |
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