static void
pcn_teardown(pcn_t *pcnp)
{
ASSERT(!(pcnp->pcn_flags & PCN_RUNNING));
if (pcnp->pcn_mii != NULL) {
mii_free(pcnp->pcn_mii);
pcnp->pcn_mii = NULL;
}
if (pcnp->pcn_flags & PCN_INTR_ENABLED)
ddi_remove_intr(pcnp->pcn_dip, 0, pcnp->pcn_icookie);
/* These will exit gracefully if not yet allocated */
pcn_freerxring(pcnp);
pcn_freetxring(pcnp);
if (pcnp->pcn_regshandle != NULL)
ddi_regs_map_free(&pcnp->pcn_regshandle);
mutex_destroy(&pcnp->pcn_xmtlock);
mutex_destroy(&pcnp->pcn_intrlock);
mutex_destroy(&pcnp->pcn_reglock);
ddi_soft_state_free(pcn_ssp, ddi_get_instance(pcnp->pcn_dip));
}
int
efe_detach(dev_info_t *dip, ddi_detach_cmd_t cmd)
{
efe_t *efep = ddi_get_driver_private(dip);
switch (cmd) {
case DDI_DETACH:
break;
case DDI_SUSPEND:
return (efe_suspend(efep));
default:
return (DDI_FAILURE);
}
if (mac_unregister(efep->efe_mh) != 0) {
efe_error(dip, "unable to unregister from mac!");
return (DDI_FAILURE);
}
mii_free(efep->efe_miih);
(void) ddi_intr_disable(efep->efe_intrh);
(void) ddi_intr_remove_handler(efep->efe_intrh);
(void) ddi_intr_free(efep->efe_intrh);
mutex_destroy(&efep->efe_txlock);
mutex_destroy(&efep->efe_intrlock);
if (efep->efe_tx_ring != NULL) {
efe_ring_free(&efep->efe_tx_ring);
}
if (efep->efe_rx_ring != NULL) {
efe_ring_free(&efep->efe_rx_ring);
}
ddi_regs_map_free(&efep->efe_regs_acch);
kmem_free(efep, sizeof (efe_t));
return (DDI_SUCCESS);
}
/*
* Autoconfiguration entry points.
*/
int
efe_attach(dev_info_t *dip, ddi_attach_cmd_t cmd)
{
ddi_acc_handle_t pci;
int types;
int count;
int actual;
uint_t pri;
efe_t *efep;
mac_register_t *macp;
switch (cmd) {
case DDI_ATTACH:
break;
case DDI_RESUME:
efep = ddi_get_driver_private(dip);
return (efe_resume(efep));
default:
return (DDI_FAILURE);
}
/*
* PCI configuration.
*/
if (pci_config_setup(dip, &pci) != DDI_SUCCESS) {
efe_error(dip, "unable to setup PCI configuration!");
return (DDI_FAILURE);
}
pci_config_put16(pci, PCI_CONF_COMM,
pci_config_get16(pci, PCI_CONF_COMM) | PCI_COMM_MAE | PCI_COMM_ME);
pci_config_teardown(&pci);
if (ddi_intr_get_supported_types(dip, &types)
!= DDI_SUCCESS || !(types & DDI_INTR_TYPE_FIXED)) {
efe_error(dip, "fixed interrupts not supported!");
return (DDI_FAILURE);
}
if (ddi_intr_get_nintrs(dip, DDI_INTR_TYPE_FIXED, &count)
!= DDI_SUCCESS || count != 1) {
efe_error(dip, "no fixed interrupts available!");
return (DDI_FAILURE);
}
/*
* Initialize soft state.
*/
efep = kmem_zalloc(sizeof (efe_t), KM_SLEEP);
ddi_set_driver_private(dip, efep);
efep->efe_dip = dip;
if (ddi_regs_map_setup(dip, 1, (caddr_t *)&efep->efe_regs, 0, 0,
&efe_regs_acc_attr, &efep->efe_regs_acch) != DDI_SUCCESS) {
efe_error(dip, "unable to setup register mapping!");
goto failure;
}
efep->efe_rx_ring = efe_ring_alloc(efep->efe_dip, RXDESCL);
if (efep->efe_rx_ring == NULL) {
efe_error(efep->efe_dip, "unable to allocate rx ring!");
goto failure;
}
efep->efe_tx_ring = efe_ring_alloc(efep->efe_dip, TXDESCL);
if (efep->efe_tx_ring == NULL) {
efe_error(efep->efe_dip, "unable to allocate tx ring!");
goto failure;
}
if (ddi_intr_alloc(dip, &efep->efe_intrh, DDI_INTR_TYPE_FIXED, 0,
count, &actual, DDI_INTR_ALLOC_STRICT) != DDI_SUCCESS ||
actual != count) {
efe_error(dip, "unable to allocate fixed interrupt!");
goto failure;
}
if (ddi_intr_get_pri(efep->efe_intrh, &pri) != DDI_SUCCESS ||
pri >= ddi_intr_get_hilevel_pri()) {
efe_error(dip, "unable to get valid interrupt priority!");
goto failure;
}
mutex_init(&efep->efe_intrlock, NULL, MUTEX_DRIVER,
DDI_INTR_PRI(pri));
mutex_init(&efep->efe_txlock, NULL, MUTEX_DRIVER,
DDI_INTR_PRI(pri));
/*
* Initialize device.
*/
mutex_enter(&efep->efe_intrlock);
mutex_enter(&efep->efe_txlock);
efe_reset(efep);
mutex_exit(&efep->efe_txlock);
mutex_exit(&efep->efe_intrlock);
/* Use factory address as default */
efe_getaddr(efep, efep->efe_macaddr);
/*
* Enable the ISR.
*/
if (ddi_intr_add_handler(efep->efe_intrh, efe_intr, efep, NULL)
!= DDI_SUCCESS) {
efe_error(dip, "unable to add interrupt handler!");
goto failure;
}
if (ddi_intr_enable(efep->efe_intrh) != DDI_SUCCESS) {
efe_error(dip, "unable to enable interrupt!");
goto failure;
}
/*
* Allocate MII resources.
*/
if ((efep->efe_miih = mii_alloc(efep, dip, &efe_mii_ops)) == NULL) {
efe_error(dip, "unable to allocate mii resources!");
goto failure;
}
/*
* Allocate MAC resources.
*/
if ((macp = mac_alloc(MAC_VERSION)) == NULL) {
efe_error(dip, "unable to allocate mac resources!");
goto failure;
}
macp->m_type_ident = MAC_PLUGIN_IDENT_ETHER;
macp->m_driver = efep;
macp->m_dip = dip;
macp->m_src_addr = efep->efe_macaddr;
macp->m_callbacks = &efe_m_callbacks;
macp->m_min_sdu = 0;
macp->m_max_sdu = ETHERMTU;
macp->m_margin = VLAN_TAGSZ;
if (mac_register(macp, &efep->efe_mh) != 0) {
efe_error(dip, "unable to register with mac!");
goto failure;
}
mac_free(macp);
ddi_report_dev(dip);
return (DDI_SUCCESS);
failure:
if (macp != NULL) {
mac_free(macp);
}
if (efep->efe_miih != NULL) {
mii_free(efep->efe_miih);
}
if (efep->efe_intrh != NULL) {
(void) ddi_intr_disable(efep->efe_intrh);
(void) ddi_intr_remove_handler(efep->efe_intrh);
(void) ddi_intr_free(efep->efe_intrh);
}
mutex_destroy(&efep->efe_txlock);
mutex_destroy(&efep->efe_intrlock);
if (efep->efe_tx_ring != NULL) {
efe_ring_free(&efep->efe_tx_ring);
}
if (efep->efe_rx_ring != NULL) {
efe_ring_free(&efep->efe_rx_ring);
}
if (efep->efe_regs_acch != NULL) {
ddi_regs_map_free(&efep->efe_regs_acch);
}
kmem_free(efep, sizeof (efe_t));
return (DDI_FAILURE);
}
