/**
* User context entry points
*/
static int VBoxGuestSolarisOpen(dev_t *pDev, int fFlag, int fType, cred_t *pCred)
{
int rc;
PVBOXGUESTSESSION pSession = NULL;
LogFlow((DEVICE_NAME "::Open\n"));
/*
* Verify we are being opened as a character device.
*/
if (fType != OTYP_CHR)
return EINVAL;
vboxguest_state_t *pState = NULL;
unsigned iOpenInstance;
for (iOpenInstance = 0; iOpenInstance < 4096; iOpenInstance++)
{
if ( !ddi_get_soft_state(g_pVBoxGuestSolarisState, iOpenInstance) /* faster */
&& ddi_soft_state_zalloc(g_pVBoxGuestSolarisState, iOpenInstance) == DDI_SUCCESS)
{
pState = ddi_get_soft_state(g_pVBoxGuestSolarisState, iOpenInstance);
break;
}
}
if (!pState)
{
Log((DEVICE_NAME "::Open: too many open instances."));
return ENXIO;
}
/*
* Create a new session.
*/
rc = VBoxGuestCreateUserSession(&g_DevExt, &pSession);
if (RT_SUCCESS(rc))
{
pState->pvProcRef = proc_ref();
pState->pSession = pSession;
*pDev = makedevice(getmajor(*pDev), iOpenInstance);
Log((DEVICE_NAME "::Open: pSession=%p pState=%p pid=%d\n", pSession, pState, (int)RTProcSelf()));
return 0;
}
/* Failed, clean up. */
ddi_soft_state_free(g_pVBoxGuestSolarisState, iOpenInstance);
LogRel((DEVICE_NAME "::Open: VBoxGuestCreateUserSession failed. rc=%d\n", rc));
return EFAULT;
}
/**
* Device open. Called on open /dev/vboxdrv
*
* @param pInode Pointer to inode info structure.
* @param pFilp Associated file pointer.
*/
static int vboxguestLinuxOpen(struct inode *pInode, struct file *pFilp)
{
int rc;
PVBOXGUESTSESSION pSession;
Log((DEVICE_NAME ": pFilp=%p pid=%d/%d %s\n", pFilp, RTProcSelf(), current->pid, current->comm));
/*
* Call common code to create the user session. Associate it with
* the file so we can access it in the other methods.
*/
rc = VBoxGuestCreateUserSession(&g_DevExt, &pSession);
if (RT_SUCCESS(rc))
pFilp->private_data = pSession;
Log(("vboxguestLinuxOpen: g_DevExt=%p pSession=%p rc=%d/%d (pid=%d/%d %s)\n",
&g_DevExt, pSession, rc, vboxguestLinuxConvertToNegErrno(rc),
RTProcSelf(), current->pid, current->comm));
return vboxguestLinuxConvertToNegErrno(rc);
}
/**
* Driver open hook.
*
* @param name The name of the device as returned by publish_devices.
* @param flags Open flags.
* @param cookie Where to store the session pointer.
*
* @return Haiku status code.
*/
static status_t VBoxGuestHaikuOpen(const char *name, uint32 flags, void **cookie)
{
int rc;
PVBOXGUESTSESSION pSession;
LogFlow((DRIVER_NAME ":VBoxGuestHaikuOpen\n"));
/*
* Create a new session.
*/
rc = VBoxGuestCreateUserSession(&g_DevExt, &pSession);
if (RT_SUCCESS(rc))
{
Log((DRIVER_NAME ":VBoxGuestHaikuOpen success: g_DevExt=%p pSession=%p rc=%d pid=%d\n",&g_DevExt, pSession, rc,(int)RTProcSelf()));
ASMAtomicIncU32(&cUsers);
*cookie = pSession;
return B_OK;
}
LogRel((DRIVER_NAME ":VBoxGuestHaikuOpen: failed. rc=%d\n", rc));
return RTErrConvertToErrno(rc);
}
/**
* Create (i.e. Open) file entry point.
*
* @param pDevObj Device object.
* @param pIrp Request packet.
*/
static NTSTATUS vboxguestwinCreate(PDEVICE_OBJECT pDevObj, PIRP pIrp)
{
/** @todo AssertPtrReturn(pIrp); */
PIO_STACK_LOCATION pStack = IoGetCurrentIrpStackLocation(pIrp);
/** @todo AssertPtrReturn(pStack); */
PFILE_OBJECT pFileObj = pStack->FileObject;
PVBOXGUESTDEVEXT pDevExt = (PVBOXGUESTDEVEXT)pDevObj->DeviceExtension;
NTSTATUS rc = STATUS_SUCCESS;
if (pDevExt->win.s.devState != WORKING)
{
Log(("VBoxGuest::vboxguestwinGuestCreate: device is not working currently: %d!\n",
pDevExt->win.s.devState));
rc = STATUS_UNSUCCESSFUL;
}
else if (pStack->Parameters.Create.Options & FILE_DIRECTORY_FILE)
{
/*
* We are not remotely similar to a directory...
* (But this is possible.)
*/
Log(("VBoxGuest::vboxguestwinGuestCreate: Uhm, we're not a directory!\n"));
rc = STATUS_NOT_A_DIRECTORY;
}
else
{
#ifdef VBOX_WITH_HGCM
if (pFileObj)
{
Log(("VBoxGuest::vboxguestwinGuestCreate: File object type = %d\n",
pFileObj->Type));
int vrc;
PVBOXGUESTSESSION pSession;
if (pFileObj->Type == 5 /* File Object */)
{
/*
* Create a session object if we have a valid file object. This session object
* exists for every R3 process.
*/
vrc = VBoxGuestCreateUserSession(pDevExt, &pSession);
}
else
{
/* ... otherwise we've been called from R0! */
vrc = VBoxGuestCreateKernelSession(pDevExt, &pSession);
}
if (RT_SUCCESS(vrc))
pFileObj->FsContext = pSession;
}
#endif
}
/* Complete the request! */
pIrp->IoStatus.Information = 0;
pIrp->IoStatus.Status = rc;
IoCompleteRequest(pIrp, IO_NO_INCREMENT);
Log(("VBoxGuest::vboxguestwinGuestCreate: Returning 0x%x\n", rc));
return rc;
}
