/**
* Detach entry point, to detach a device to the system or suspend it.
*
* @param pDip The module structure instance.
* @param enmCmd Operation type (detach/suspend).
*
* @returns corresponding solaris error code.
*/
static int VBoxNetAdpSolarisDetach(dev_info_t *pDip, ddi_detach_cmd_t enmCmd)
{
LogFunc((DEVICE_NAME ":VBoxNetAdpSolarisDetach pDip=%p enmCmd=%d\n", pDip, enmCmd));
switch (enmCmd)
{
case DDI_DETACH:
{
/*
* Unregister and clean up.
*/
gld_mac_info_t *pMacInfo = ddi_get_driver_private(pDip);
if (pMacInfo)
{
vboxnetadp_state_t *pState = (vboxnetadp_state_t *)pMacInfo->gldm_private;
if (pState)
{
gld_linkstate(pMacInfo, GLD_LINKSTATE_DOWN);
int rc = gld_unregister(pMacInfo);
if (rc == DDI_SUCCESS)
{
gld_mac_free(pMacInfo);
RTMemFree(pState);
return DDI_SUCCESS;
}
else
LogRel((DEVICE_NAME ":VBoxNetAdpSolarisDetach failed to unregister GLD from MAC layer.rc=%d\n", rc));
}
else
LogRel((DEVICE_NAME ":VBoxNetAdpSolarisDetach failed to get internal state.\n"));
}
else
LogRel((DEVICE_NAME ":VBoxNetAdpSolarisDetach failed to get driver private GLD data.\n"));
return DDI_FAILURE;
}
case DDI_RESUME:
{
/* Nothing to do here... */
return DDI_SUCCESS;
}
/* case DDI_SUSPEND: */
/* case DDI_HOTPLUG_DETACH: */
default:
return DDI_FAILURE;
}
}
/* detach(9E) -- Detach a device from the system */
static int
SMCG_detach(dev_info_t *devinfo, ddi_detach_cmd_t cmd)
{
gld_mac_info_t *macinfo;
Adapter_Struc *pAd;
smcg_t *smcg;
int i;
#ifdef DEBUG
if (SMCG_debug & SMCGDDI)
cmn_err(CE_CONT, SMCG_NAME "_detach(0x%p)", (void *)devinfo);
#endif
if (cmd != DDI_DETACH)
return (DDI_FAILURE);
macinfo = ddi_get_driver_private(devinfo);
smcg = (smcg_t *)macinfo->gldm_private;
pAd = smcg->smcg_pAd;
i = 50;
mutex_enter(&smcg->rlist_lock);
while (smcg->rx_bufs_outstanding > 0) {
mutex_exit(&smcg->rlist_lock);
delay(drv_usectohz(100000));
if (--i == 0) {
cmn_err(CE_WARN,
SMCG_NAME "%d: %d buffers not reclaimed",
macinfo->gldm_ppa, smcg->rx_bufs_outstanding);
return (DDI_FAILURE);
}
mutex_enter(&smcg->rlist_lock);
}
smcg->detaching_flag = 1;
mutex_exit(&smcg->rlist_lock);
/*
* Unregister ourselves from the GLD interface
*
* gld_unregister will:
* remove the minor node;
* unlink us from the GLD system.
*/
if (gld_unregister(macinfo) != DDI_SUCCESS) {
mutex_enter(&smcg->rlist_lock);
smcg->detaching_flag = 0;
mutex_exit(&smcg->rlist_lock);
return (DDI_FAILURE);
}
ddi_remove_intr(devinfo, 0, macinfo->gldm_cookie);
SMCG_dma_unalloc(smcg);
mutex_destroy(&smcg->rbuf_lock);
mutex_destroy(&smcg->txbuf_lock);
mutex_destroy(&smcg->lm_lock);
mutex_destroy(&smcg->rlist_lock);
kmem_free(pAd, sizeof (Adapter_Struc));
kmem_free(smcg, sizeof (smcg_t));
gld_mac_free(macinfo);
return (DDI_SUCCESS);
}
