/*
* s1394_fini()
* cleans up the 1394 Software Framework's structures that were allocated
* in s1394_init().
*/
static void
s1394_fini()
{
TNF_PROBE_0_DEBUG(s1394_fini_enter, S1394_TNF_SL_STACK, "");
mutex_destroy(&s1394_statep->hal_list_mutex);
kmem_free(s1394_statep, sizeof (s1394_state_t));
TNF_PROBE_0_DEBUG(s1394_fini_exit, S1394_TNF_SL_STACK, "");
}
/*
* hci1394_isr_bus_reset()
* Process a 1394 bus reset. This signifies that a bus reset has started.
* A bus reset will not be complete until a selfid complete interrupt
* comes in.
*/
static void
hci1394_isr_bus_reset(hci1394_state_t *soft_state)
{
int status;
ASSERT(soft_state != NULL);
TNF_PROBE_0_DEBUG(hci1394_isr_bus_reset_enter,
HCI1394_TNF_HAL_STACK, "");
/*
* Set the driver state to reset. If we cannot, we have been shutdown.
* The only way we can get in this code is if we have a multi-processor
* machine and the HAL is shutdown by one processor running in base
* context while this interrupt handler runs in another processor.
* We will disable all interrupts and just return. We shouldn't have
* to disable the interrupts, but we will just in case.
*/
status = hci1394_state_set(&soft_state->drvinfo, HCI1394_BUS_RESET);
if (status != DDI_SUCCESS) {
hci1394_ohci_intr_master_disable(soft_state->ohci);
return;
}
/*
* Save away reset generation count so we can detect self-id-compete
* interrupt which disappears in event register. This is discussed in
* more detail in hci1394_isr()
*/
soft_state->drvinfo.di_gencnt =
hci1394_ohci_current_busgen(soft_state->ohci);
soft_state->drvinfo.di_stats.st_bus_reset_count++;
/*
* Mask off busReset until SelfIdComplete comes in. The bus reset
* interrupt will be asserted until the SelfIdComplete interrupt
* comes in (i.e. you cannot clear the interrupt until a SelfIdComplete
* interrupt). Therefore, we disable the interrupt via its mask so we
* don't get stuck in the ISR indefinitely.
*/
hci1394_ohci_intr_disable(soft_state->ohci, OHCI_INTR_BUS_RESET);
/* Reset the ATREQ and ATRESP Q's */
hci1394_async_atreq_reset(soft_state->async);
hci1394_async_atresp_reset(soft_state->async);
/* Inform Services Layer about Bus Reset */
h1394_bus_reset(soft_state->drvinfo.di_sl_private,
(void **)&soft_state->sl_selfid_buf);
TNF_PROBE_0_DEBUG(hci1394_isr_bus_reset_exit,
HCI1394_TNF_HAL_STACK, "");
}
/*
* hci1394_tlist_add()
* Add the node to the tail of the linked list. The list is protected by a
* mutex at the iblock_cookie passed in during init.
*/
void
hci1394_tlist_add(hci1394_tlist_handle_t tlist_handle,
hci1394_tlist_node_t *node)
{
ASSERT(tlist_handle != NULL);
ASSERT(node != NULL);
TNF_PROBE_0_DEBUG(hci1394_tlist_add_enter, HCI1394_TNF_HAL_STACK, "");
mutex_enter(&tlist_handle->tl_mutex);
/* add's always go at the end of the list */
node->tln_next = NULL;
/* Set state that this node is currently on the tlist */
node->tln_on_list = B_TRUE;
/* enter in the expire time (in uS) */
if (tlist_handle->tl_timer_enabled == B_TRUE) {
node->tln_expire_time = gethrtime() +
tlist_handle->tl_timer_info.tlt_timeout;
}
/* if there is nothing in the list */
if (tlist_handle->tl_tail == NULL) {
tlist_handle->tl_head = node;
tlist_handle->tl_tail = node;
node->tln_prev = NULL;
if ((tlist_handle->tl_timer_enabled == B_TRUE) &&
(tlist_handle->tl_state == HCI1394_TLIST_TIMEOUT_OFF)) {
/* turn the timer on */
tlist_handle->tl_timeout_id = timeout(
hci1394_tlist_callback, tlist_handle,
t1394_tlist_nsectohz(
tlist_handle->tl_timer_info.tlt_timer_resolution));
tlist_handle->tl_state = HCI1394_TLIST_TIMEOUT_ON;
}
} else {
/* put the node on the end of the list */
tlist_handle->tl_tail->tln_next = node;
node->tln_prev = tlist_handle->tl_tail;
tlist_handle->tl_tail = node;
/*
* if timeouts are enabled, we don't have to call
* timeout() because the timer is already on.
*/
}
mutex_exit(&tlist_handle->tl_mutex);
TNF_PROBE_0_DEBUG(hci1394_tlist_add_exit, HCI1394_TNF_HAL_STACK, "");
}
/*
* hci1394_tlabel_reset()
* resets the tlabel tracking structures to an initial state where no
* tlabels are outstanding and all tlabels are registered as good. This
* routine should be called every bus reset.
*/
void
hci1394_tlabel_reset(hci1394_tlabel_handle_t tlabel_handle)
{
int index;
int index2;
ASSERT(tlabel_handle != NULL);
TNF_PROBE_0_DEBUG(hci1394_tlabel_reset_enter,
HCI1394_TNF_HAL_STACK, "");
mutex_enter(&tlabel_handle->tb_mutex);
TNF_PROBE_0_DEBUG(hci1394_tlabel_reset, HCI1394_TNF_HAL_TLABEL, "");
/* Bus reset optimization. handle broadcast writes separately */
if (tlabel_handle->tb_bcast_sent == B_TRUE) {
tlabel_handle->tb_free[IEEE1394_BROADCAST_NODEID] =
(uint64_t)0xFFFFFFFFFFFFFFFF;
tlabel_handle->tb_bad[IEEE1394_BROADCAST_NODEID] =
(uint64_t)0;
tlabel_handle->tb_bad_timestamp[IEEE1394_BROADCAST_NODEID] =
(hrtime_t)0;
tlabel_handle->tb_last[IEEE1394_BROADCAST_NODEID] = 0;
for (index2 = 0; index2 < TLABEL_RANGE; index2++) {
tlabel_handle->tb_lookup[IEEE1394_BROADCAST_NODEID
][index2] = NULL;
}
}
/*
* Mark all tlabels as free. No bad tlabels. Start the first tlabel
* alloc at 0. Cleanout the lookup table. An optimization to only do
* this up to the max node we have seen on the bus has been added.
*/
for (index = 0; index <= tlabel_handle->tb_max_node; index++) {
tlabel_handle->tb_free[index] = (uint64_t)0xFFFFFFFFFFFFFFFF;
tlabel_handle->tb_bad[index] = (uint64_t)0;
tlabel_handle->tb_bad_timestamp[index] = (hrtime_t)0;
tlabel_handle->tb_last[index] = 0;
for (index2 = 0; index2 < TLABEL_RANGE; index2++) {
tlabel_handle->tb_lookup[index][index2] = NULL;
}
}
tlabel_handle->tb_max_node = 0;
tlabel_handle->tb_bcast_sent = B_FALSE;
mutex_exit(&tlabel_handle->tb_mutex);
TNF_PROBE_0_DEBUG(hci1394_tlabel_reset_exit, HCI1394_TNF_HAL_STACK, "");
}
static int
hci1394_ioctl_read_selfid32(hci1394_state_t *soft_state,
hci1394_ioctl_readselfid32_t *read_selfid, int mode)
{
int status;
uint_t offset;
uint32_t data;
ASSERT(soft_state != NULL);
ASSERT(read_selfid != NULL);
TNF_PROBE_0_DEBUG(hci1394_ioctl_read_selfid32_enter,
HCI1394_TNF_HAL_STACK, "");
/*
* make sure we are not trying to copy more data than the selfid buffer
* can hold. count is in quadlets and max_selfid_size is in bytes.
*/
if ((read_selfid->count * 4) > OHCI_MAX_SELFID_SIZE) {
TNF_PROBE_0(hci1394_ioctl_read_selfid32_cnt_fail,
HCI1394_TNF_HAL_ERROR, "");
TNF_PROBE_0_DEBUG(hci1394_ioctl_read_selfid32_exit,
HCI1394_TNF_HAL_STACK, "");
return (EINVAL);
}
/*
* copy the selfid buffer one word at a time into the user buffer. The
* combination between having to do ddi_get32's (for endian reasons) and
* a ddi_copyout() make it easier to do it one word at a time.
*/
for (offset = 0; offset < read_selfid->count; offset++) {
/* read word from selfid buffer */
hci1394_ohci_selfid_read(soft_state->ohci, offset, &data);
/* copy the selfid word into the user buffer */
status = ddi_copyout(&data,
(void *)(uintptr_t)(read_selfid->buf + (offset * 4)),
4, mode);
if (status != 0) {
TNF_PROBE_0(hci1394_ioctl_read_selfid32_co_fail,
HCI1394_TNF_HAL_ERROR, "");
TNF_PROBE_0_DEBUG(hci1394_ioctl_read_selfid32_exit,
HCI1394_TNF_HAL_STACK, "");
return (EFAULT);
}
}
TNF_PROBE_0_DEBUG(hci1394_ioctl_read_selfid32_exit,
HCI1394_TNF_HAL_STACK, "");
return (0);
}
/*
* s1394_init()
* initializes the 1394 Software Framework's structures, i.e. the HAL list
* and associated mutex.
*/
static int
s1394_init()
{
TNF_PROBE_0_DEBUG(s1394_init_enter, S1394_TNF_SL_STACK, "");
s1394_statep = kmem_zalloc(sizeof (s1394_state_t), KM_SLEEP);
s1394_statep->hal_head = NULL;
s1394_statep->hal_tail = NULL;
mutex_init(&s1394_statep->hal_list_mutex, NULL, MUTEX_DRIVER, NULL);
TNF_PROBE_0_DEBUG(s1394_init_exit, S1394_TNF_SL_STACK, "");
return (0);
}
/*
* hci1394_tlist_peek()
* get the node at the head of the linked list. This function does not
* remove the node from the list.
*/
void
hci1394_tlist_peek(hci1394_tlist_handle_t tlist_handle,
hci1394_tlist_node_t **node)
{
ASSERT(tlist_handle != NULL);
ASSERT(node != NULL);
TNF_PROBE_0_DEBUG(hci1394_tlist_peek_enter, HCI1394_TNF_HAL_STACK, "");
mutex_enter(&tlist_handle->tl_mutex);
*node = tlist_handle->tl_head;
mutex_exit(&tlist_handle->tl_mutex);
TNF_PROBE_0_DEBUG(hci1394_tlist_peek_exit, HCI1394_TNF_HAL_STACK, "");
}
/*
* hci1394_tlist_timeout_update()
* update the timeout to a different value. timeout is in uS. The update
* does not happen immediately. The new timeout will not take effect until
* the all of nodes currently present in the list are gone. It only makes
* sense to call this function when you have the timeout feature enabled.
*/
void
hci1394_tlist_timeout_update(hci1394_tlist_handle_t tlist_handle,
hrtime_t timeout)
{
ASSERT(tlist_handle != NULL);
TNF_PROBE_0_DEBUG(hci1394_tlist_update_timeout_enter,
HCI1394_TNF_HAL_STACK, "");
/* set timeout to the new timeout */
tlist_handle->tl_timer_info.tlt_timeout = timeout;
TNF_PROBE_0_DEBUG(hci1394_tlist_update_timeout_exit,
HCI1394_TNF_HAL_STACK, "");
}
/* For preop search we do two things:
* 1) based on the search base, we preselect the acls.
* 2) also get hold of a acl_pblock for use
*/
static int
aclplugin_preop_search ( Slapi_PBlock *pb )
{
int scope;
const char *base = NULL;
Slapi_DN *sdn = NULL;
int optype;
int isRoot;
int isProxy = 0;
int rc = 0;
char *errtxt = NULL;
char *proxy_dn = NULL;
TNF_PROBE_0_DEBUG(aclplugin_preop_search_start ,"ACL","");
slapi_pblock_get ( pb, SLAPI_OPERATION_TYPE, &optype );
slapi_pblock_get ( pb, SLAPI_REQUESTOR_ISROOT, &isRoot );
if (LDAP_SUCCESS == proxyauth_get_dn(pb, &proxy_dn, &errtxt) && proxy_dn) {
isProxy = 1;
}
slapi_ch_free_string(&proxy_dn);
if ( isRoot && !isProxy) {
TNF_PROBE_1_DEBUG(aclplugin_preop_search_end ,"ACL","",
tnf_string,isroot,"");
return rc;
}
slapi_pblock_get( pb, SLAPI_SEARCH_TARGET_SDN, &sdn );
base = slapi_sdn_get_dn(sdn);
/* For anonymous client doing search nothing needs to be set up */
if ( optype == SLAPI_OPERATION_SEARCH && aclanom_is_client_anonymous ( pb ) &&
! slapi_dn_issuffix( base, "cn=monitor") ) {
TNF_PROBE_1_DEBUG(aclplugin_preop_search_end ,"ACL","",
tnf_string,anon,"");
return rc;
}
if ( 0 == ( rc = aclplugin_preop_common( pb ))) {
slapi_pblock_get( pb, SLAPI_SEARCH_SCOPE, &scope );
acllist_init_scan ( pb, scope, base );
}
TNF_PROBE_0_DEBUG(aclplugin_preop_search_end ,"ACL","");
return rc;
}
/*
* nx1394_add_eventcall()
* This gets called when a child node calls ddi_add_eventcall(). Registers
* the specified callback for the requested event cookie with the ndi
* event framework.
* dip is the hal dip. This routine calls ndi_event_add_callback(),
* allowing requests for events we don't generate to pass up the tree.
*/
static int
nx1394_add_eventcall(dev_info_t *dip, dev_info_t *rdip,
ddi_eventcookie_t cookie, void (*callback)(), void *arg,
ddi_callback_id_t *cb_id)
{
int ret;
s1394_hal_t *hal;
#if defined(DEBUG)
char *event_name = NULL;
#endif
hal = s1394_dip_to_hal(dip);
ASSERT(hal);
TNF_PROBE_0_DEBUG(nx1394_add_eventcall_enter, S1394_TNF_SL_NEXUS_STACK,
"");
ret = ndi_event_add_callback(hal->hal_ndi_event_hdl, rdip, cookie,
callback, arg, NDI_NOSLEEP, cb_id);
#if defined(DEBUG)
event_name = ndi_event_cookie_to_name(hal->hal_ndi_event_hdl, cookie);
if (event_name == NULL)
event_name = "";
#endif
TNF_PROBE_4_DEBUG(nx1394_add_eventcall_exit, S1394_TNF_SL_NEXUS_STACK,
"", tnf_opaque, parent_dip, (void *)dip, tnf_opaque, requestor_dip,
(void *)rdip, tnf_string, event_name, event_name, tnf_int,
request_status, ret);
return (ret);
}
/*
* nx1394_remove_eventcall()
* Called as a result of a child node calling ddi_remove_eventcall().
* Unregisters the callback corresponding to the callback id passed in.
*/
static int
nx1394_remove_eventcall(dev_info_t *dip, ddi_callback_id_t cb_id)
{
int ret;
s1394_hal_t *hal;
ddi_eventcookie_t cookie;
#if defined(DEBUG)
char *event_name = NULL;
#endif
ASSERT(cb_id);
cookie = ((ndi_event_callbacks_t *)cb_id)->ndi_evtcb_cookie;
hal = s1394_dip_to_hal(dip);
ASSERT(hal);
TNF_PROBE_0_DEBUG(nx1394_remove_eventcall_enter,
S1394_TNF_SL_NEXUS_STACK, "");
ret = ndi_event_remove_callback(hal->hal_ndi_event_hdl, cb_id);
#if defined(DEBUG)
event_name = ndi_event_cookie_to_name(hal->hal_ndi_event_hdl, cookie);
if (event_name == NULL)
event_name = "";
TNF_PROBE_4_DEBUG(nx1394_remove_eventcall_exit,
S1394_TNF_SL_NEXUS_STACK, "", tnf_opaque, parent_dip, (void *)dip,
tnf_opaque, callback_id, (void *)cb_id, tnf_string, event_name,
event_name, tnf_int, request_status, ret);
#endif
return (ret);
}
/*
* nx1394_dma_allochdl()
* Merges the ddi_dma_attr_t passed in by the target (using
* ddi_dma_alloc_handle() call) with that of the hal and passes the alloc
* handle request up the device by calling ddi_dma_allochdl().
*/
static int
nx1394_dma_allochdl(dev_info_t *dip, dev_info_t *rdip, ddi_dma_attr_t *attr,
int (*waitfnp)(caddr_t), caddr_t arg, ddi_dma_handle_t *handlep)
{
s1394_hal_t *hal;
ddi_dma_attr_t *hal_attr;
int status;
_NOTE(SCHEME_PROTECTS_DATA("unique (per thread)", ddi_dma_attr_t))
TNF_PROBE_0_DEBUG(nx1394_dma_allochdl_enter, S1394_TNF_SL_NEXUS_STACK,
"");
/*
* If hal calls ddi_dma_alloc_handle, dip == rdip == hal dip.
* Unfortunately, we cannot verify this (by way of looking up for hal
* dip) here because h1394_attach() may happen much later.
*/
if (dip != rdip) {
hal = s1394_dip_to_hal(ddi_get_parent(rdip));
ASSERT(hal);
hal_attr = &hal->halinfo.dma_attr;
ASSERT(hal_attr);
ddi_dma_attr_merge(attr, hal_attr);
}
status = ddi_dma_allochdl(dip, rdip, attr, waitfnp, arg, handlep);
TNF_PROBE_1_DEBUG(nx1394_dma_allochdl_exit, S1394_TNF_SL_NEXUS_STACK,
"", tnf_int, status, status);
return (status);
}
static int
hci1394_ioctl_rdvreg(hci1394_state_t *soft_state, void *arg, int mode)
{
hci1394_ioctl_rdvreg_t rdvreg;
int status;
ASSERT(soft_state != NULL);
ASSERT(arg != NULL);
TNF_PROBE_0_DEBUG(hci1394_ioctl_rdvreg_enter, HCI1394_TNF_HAL_STACK,
"");
status = ddi_copyin(arg, &rdvreg, sizeof (hci1394_ioctl_rdvreg_t),
mode);
if (status != 0) {
TNF_PROBE_0(hci1394_ioctl_rdvreg_ci_fail, HCI1394_TNF_HAL_ERROR,
"");
TNF_PROBE_0_DEBUG(hci1394_ioctl_rdvreg_exit,
HCI1394_TNF_HAL_STACK, "");
return (EFAULT);
}
status = hci1394_vendor_reg_read(soft_state->vendor,
rdvreg.regset, rdvreg.addr, &rdvreg.data);
if (status != DDI_SUCCESS) {
TNF_PROBE_0(hci1394_ioctl_rdvreg_vrr_fail,
HCI1394_TNF_HAL_ERROR, "");
TNF_PROBE_0_DEBUG(hci1394_ioctl_rdvreg_exit,
HCI1394_TNF_HAL_STACK, "");
return (EINVAL);
}
status = ddi_copyout(&rdvreg, arg, sizeof (hci1394_ioctl_rdvreg_t),
mode);
if (status != 0) {
TNF_PROBE_0(hci1394_ioctl_rdvreg_co_fail,
HCI1394_TNF_HAL_ERROR, "");
TNF_PROBE_0_DEBUG(hci1394_ioctl_rdvreg_exit,
HCI1394_TNF_HAL_STACK, "");
return (EFAULT);
}
TNF_PROBE_0_DEBUG(hci1394_ioctl_rdvreg_exit, HCI1394_TNF_HAL_STACK, "");
return (0);
}
/*
* s1394_fa_completion_cb()
* FA completion callback: restore command and call original callback
*/
static void
s1394_fa_completion_cb(cmd1394_cmd_t *cmd)
{
s1394_hal_t *hal = cmd->cmd_callback_arg;
TNF_PROBE_0_DEBUG(s1394_fa_completion_cb_enter,
S1394_TNF_SL_FA_STACK, "");
s1394_fa_restore_cmd(hal, cmd);
if (cmd->completion_callback) {
cmd->completion_callback(cmd);
}
TNF_PROBE_0_DEBUG(s1394_fa_completion_cb_exit,
S1394_TNF_SL_FA_STACK, "");
}
/*
* hci1394_tlabel_set_reclaim_time()
* This function should be called if a change to the reclaim_time is
* required after the initial call to init(). It is not necessary to call
* this function if the reclaim time never changes.
*
* Currently, bad tlabels are reclaimed in tlabel_alloc().
* It looks like the following for a given node:
*
* if bad tlabels exist
* if ((current time + reclaim time) >= last bad tlabel time)
* free all bad tlabels.
*/
void
hci1394_tlabel_set_reclaim_time(hci1394_tlabel_handle_t tlabel_handle,
hrtime_t reclaim_time_nS)
{
ASSERT(tlabel_handle != NULL);
TNF_PROBE_0_DEBUG(hci1394_tlabel_set_reclaim_time_enter,
HCI1394_TNF_HAL_STACK, "");
/*
* We do not need to lock the tlabel structure in this because we are
* doing a single write to reclaim_time. If this changes in the future,
* we may need to add calls to lock() and unlock().
*/
tlabel_handle->tb_reclaim_time = reclaim_time_nS;
TNF_PROBE_0_DEBUG(hci1394_tlabel_set_reclaim_time_exit,
HCI1394_TNF_HAL_STACK, "");
}
/*
* hci1394_isr_isoch_it()
* Process each isoch transmit context which has its interrupt asserted. The
* interrupt will be asserted when an isoch transmit descriptor with the
* interrupt bit is finished being processed.
*/
static void
hci1394_isr_isoch_it(hci1394_state_t *soft_state)
{
uint32_t i;
uint32_t mask = 0x00000001;
uint32_t ev;
int num_it_contexts;
hci1394_iso_ctxt_t *ctxtp;
ASSERT(soft_state != NULL);
TNF_PROBE_0_DEBUG(hci1394_isr_isoch_it_enter,
HCI1394_TNF_HAL_STACK, "");
num_it_contexts = hci1394_isoch_xmit_count_get(soft_state->isoch);
/*
* Main isochTx int is not clearable. it is automatically
* cleared by the hw when the it_intr_event is cleared.
*/
/* loop until no more IT events */
while ((ev = hci1394_ohci_it_intr_asserted(soft_state->ohci)) != 0) {
/* clear the events we just learned about */
hci1394_ohci_it_intr_clear(soft_state->ohci, ev);
/* for each interrupting IR context, process the interrupt */
for (i = 0; i < num_it_contexts; i++) {
/*
* if the intr bit is on for a context,
* call xmit/recv common processing code
*/
if (ev & mask) {
ctxtp = hci1394_isoch_xmit_ctxt_get(
soft_state->isoch, i);
hci1394_ixl_interrupt(soft_state, ctxtp,
B_FALSE);
}
mask <<= 1;
}
}
TNF_PROBE_0_DEBUG(hci1394_isr_isoch_it_exit, HCI1394_TNF_HAL_STACK, "");
}
/*
* hci1394_tlabel_fini()
* Frees up the space allocated in init(). Notice that a pointer to the
* handle is used for the parameter. fini() will set your handle to NULL
* before returning.
*/
void
hci1394_tlabel_fini(hci1394_tlabel_handle_t *tlabel_handle)
{
hci1394_tlabel_t *tstruct;
ASSERT(tlabel_handle != NULL);
TNF_PROBE_0_DEBUG(hci1394_tlabel_fini_enter, HCI1394_TNF_HAL_STACK, "");
tstruct = (hci1394_tlabel_t *)*tlabel_handle;
mutex_destroy(&tstruct->tb_mutex);
kmem_free(tstruct, sizeof (hci1394_tlabel_t));
/* set handle to null. This helps catch bugs. */
*tlabel_handle = NULL;
TNF_PROBE_0_DEBUG(hci1394_tlabel_fini_exit, HCI1394_TNF_HAL_STACK, "");
}
/*
* hci1394_tlist_timeout_cancel()
* cancel any scheduled timeouts. This should be called after the list is
* empty and there is no chance for any other nodes to be placed on the list.
* This function is meant to be called during a suspend or detach.
*/
void
hci1394_tlist_timeout_cancel(hci1394_tlist_handle_t tlist_handle)
{
ASSERT(tlist_handle != NULL);
TNF_PROBE_0_DEBUG(hci1394_tlist_timeout_cancel_enter,
HCI1394_TNF_HAL_STACK, "");
/*
* Cancel the timeout. Do NOT use the tlist mutex here. It could cause a
* deadlock.
*/
if (tlist_handle->tl_state == HCI1394_TLIST_TIMEOUT_ON) {
(void) untimeout(tlist_handle->tl_timeout_id);
tlist_handle->tl_state = HCI1394_TLIST_TIMEOUT_OFF;
}
TNF_PROBE_0_DEBUG(hci1394_tlist_timeout_cancel_exit,
HCI1394_TNF_HAL_STACK, "");
}
/*
*
* acl_access_allowed_main
* Main interface to the plugin. Calls different access check functions
* based on the flag.
*
*
* Returns:
* LDAP_SUCCESS -- access is granted
* LDAP_INSUFFICIENT_ACCESS -- access denied
* <other ldap error> -- ex: opererations error
*
*/
int
acl_access_allowed_main ( Slapi_PBlock *pb, Slapi_Entry *e, char **attrs,
struct berval *val, int access , int flags, char **errbuf)
{
int rc =0;
char *attr = NULL;
TNF_PROBE_0_DEBUG(acl_access_allowed_main_start,"ACL","");
if (attrs && *attrs) attr = attrs[0];
if (ACLPLUGIN_ACCESS_READ_ON_ENTRY == flags) {
rc = acl_read_access_allowed_on_entry ( pb, e, attrs, access);
} else if ( ACLPLUGIN_ACCESS_READ_ON_ATTR == flags) {
if (attr == NULL) {
slapi_log_err(SLAPI_LOG_PLUGIN, plugin_name, "acl_access_allowed_main - Missing attribute\n" );
rc = LDAP_OPERATIONS_ERROR;
} else {
rc = acl_read_access_allowed_on_attr ( pb, e, attr, val, access);
}
} else if ( ACLPLUGIN_ACCESS_READ_ON_VLV == flags)
rc = acl_access_allowed_disjoint_resource ( pb, e, attr, val, access);
else if ( ACLPLUGIN_ACCESS_MODRDN == flags)
rc = acl_access_allowed_modrdn ( pb, e, attr, val, access);
else if ( ACLPLUGIN_ACCESS_GET_EFFECTIVE_RIGHTS == flags)
rc = acl_get_effective_rights ( pb, e, attrs, val, access, errbuf );
else
rc = acl_access_allowed ( pb, e, attr, val, access);
/* generate the appropriate error message */
if ( ( rc != LDAP_SUCCESS ) && errbuf &&
( ACLPLUGIN_ACCESS_GET_EFFECTIVE_RIGHTS != flags ) &&
( access & ( SLAPI_ACL_WRITE | SLAPI_ACL_ADD | SLAPI_ACL_DELETE | SLAPI_ACL_MODDN ))) {
char *edn = slapi_entry_get_dn ( e );
acl_gen_err_msg(access, edn, attr, errbuf);
}
TNF_PROBE_0_DEBUG(acl_access_allowed_main_end,"ACL","");
return rc;
}
/*
* hci1394_tlist_fini()
* Frees up the space allocated in init(). Notice that a pointer to the
* handle is used for the parameter. fini() will set your handle to NULL
* before returning. Make sure that any pending timeouts are canceled.
*/
void
hci1394_tlist_fini(hci1394_tlist_handle_t *tlist_handle)
{
hci1394_tlist_t *list;
ASSERT(tlist_handle != NULL);
TNF_PROBE_0_DEBUG(hci1394_tlist_fini_enter, HCI1394_TNF_HAL_STACK, "");
list = (hci1394_tlist_t *)*tlist_handle;
hci1394_tlist_timeout_cancel(list);
mutex_destroy(&list->tl_mutex);
kmem_free(list, sizeof (hci1394_tlist_t));
/* set handle to null. This helps catch bugs. */
*tlist_handle = NULL;
TNF_PROBE_0_DEBUG(hci1394_tlist_fini_exit, HCI1394_TNF_HAL_STACK, "");
}
static int
hci1394_ioctl_rdphy(hci1394_state_t *soft_state, void *arg, int mode)
{
hci1394_ioctl_rdphy_t rdphy;
int status;
ASSERT(soft_state != NULL);
ASSERT(arg != NULL);
TNF_PROBE_0_DEBUG(hci1394_ioctl_rdphy_enter, HCI1394_TNF_HAL_STACK, "");
status = ddi_copyin(arg, &rdphy, sizeof (hci1394_ioctl_rdphy_t), mode);
if (status != 0) {
TNF_PROBE_0(hci1394_ioctl_rdphy_ci_fail, HCI1394_TNF_HAL_ERROR,
"");
TNF_PROBE_0_DEBUG(hci1394_ioctl_rdphy_exit,
HCI1394_TNF_HAL_STACK, "");
return (EFAULT);
}
status = hci1394_ohci_phy_read(soft_state->ohci, rdphy.addr,
&rdphy.data);
if (status != DDI_SUCCESS) {
TNF_PROBE_0(hci1394_ioctl_rdphy_pr_fail, HCI1394_TNF_HAL_ERROR,
"");
TNF_PROBE_0_DEBUG(hci1394_ioctl_rdphy_exit,
HCI1394_TNF_HAL_STACK, "");
return (EINVAL);
}
status = ddi_copyout(&rdphy, arg, sizeof (hci1394_ioctl_rdphy_t), mode);
if (status != 0) {
TNF_PROBE_0(hci1394_ioctl_rdphy_co_fail, HCI1394_TNF_HAL_ERROR,
"");
TNF_PROBE_0_DEBUG(hci1394_ioctl_rdphy_exit,
HCI1394_TNF_HAL_STACK, "");
return (EFAULT);
}
TNF_PROBE_0_DEBUG(hci1394_ioctl_rdphy_exit, HCI1394_TNF_HAL_STACK, "");
return (0);
}
int
s1394_cmp_register(s1394_target_t *target, t1394_cmp_evts_t *evts)
{
s1394_hal_t *hal = target->on_hal;
static t1394_cmp_evts_t default_evts = { NULL, NULL };
TNF_PROBE_0_DEBUG(s1394_cmp_register_enter, S1394_TNF_SL_CMP_STACK, "");
rw_enter(&hal->target_list_rwlock, RW_WRITER);
/*
* if registering the first target, claim and initialize addresses
*/
if (s1394_fa_list_is_empty(hal, S1394_FA_TYPE_CMP)) {
if (s1394_fa_claim_addr(hal, S1394_FA_TYPE_CMP_OMPR,
&s1394_cmp_ompr_descr) != DDI_SUCCESS) {
rw_exit(&hal->target_list_rwlock);
return (DDI_FAILURE);
}
if (s1394_fa_claim_addr(hal, S1394_FA_TYPE_CMP_IMPR,
&s1394_cmp_impr_descr) != DDI_SUCCESS) {
s1394_fa_free_addr(hal, S1394_FA_TYPE_CMP_OMPR);
rw_exit(&hal->target_list_rwlock);
return (DDI_FAILURE);
}
s1394_cmp_init(hal);
}
/* Add on the target list (we only use one list) */
s1394_fa_list_add(hal, target, S1394_FA_TYPE_CMP);
if (evts == NULL) {
evts = &default_evts;
}
target->target_fa[S1394_FA_TYPE_CMP].fat_u.cmp.cm_evts = *evts;
rw_exit(&hal->target_list_rwlock);
TNF_PROBE_0_DEBUG(s1394_cmp_register_exit, S1394_TNF_SL_CMP_STACK, "");
return (DDI_SUCCESS);
}
/*
* s1394_fa_free_addr_blk()
* Free fixed address block.
*/
void
s1394_fa_free_addr(s1394_hal_t *hal, s1394_fa_type_t type)
{
s1394_fa_hal_t *falp = &hal->hal_fa[type];
int ret;
TNF_PROBE_0_DEBUG(s1394_fa_free_addr_enter, S1394_TNF_SL_FA_STACK, "");
/* Might have been freed already */
if (falp->fal_addr_blk != NULL) {
ret = s1394_free_addr_blk(hal, falp->fal_addr_blk);
if (ret != DDI_SUCCESS) {
TNF_PROBE_1(s1394_fa_free_addr_error,
S1394_TNF_SL_FA_STACK, "", tnf_int, ret, ret);
}
falp->fal_addr_blk = NULL;
}
TNF_PROBE_0_DEBUG(s1394_fa_free_addr_exit, S1394_TNF_SL_FA_STACK, "");
}
/*
* hci1394_tlist_remove()
* This is an internal function which removes the given node from the list.
* The list MUST be locked before calling this function.
*/
static void
hci1394_tlist_remove(hci1394_tlist_t *list, hci1394_tlist_node_t *node)
{
ASSERT(list != NULL);
ASSERT(node != NULL);
ASSERT(node->tln_on_list == B_TRUE);
ASSERT(MUTEX_HELD(&list->tl_mutex));
TNF_PROBE_0_DEBUG(hci1394_tlist_remove_enter,
HCI1394_TNF_HAL_STACK, "");
/* if this is the only node on the list */
if ((list->tl_head == node) &&
(list->tl_tail == node)) {
list->tl_head = NULL;
list->tl_tail = NULL;
/* if the node is at the head of the list */
} else if (list->tl_head == node) {
list->tl_head = node->tln_next;
node->tln_next->tln_prev = NULL;
/* if the node is at the tail of the list */
} else if (list->tl_tail == node) {
list->tl_tail = node->tln_prev;
node->tln_prev->tln_next = NULL;
/* if the node is in the middle of the list */
} else {
node->tln_prev->tln_next = node->tln_next;
node->tln_next->tln_prev = node->tln_prev;
}
/* Set state that this node has been removed from the list */
node->tln_on_list = B_FALSE;
/* cleanup the node's link pointers */
node->tln_prev = NULL;
node->tln_next = NULL;
TNF_PROBE_0_DEBUG(hci1394_tlist_remove_exit, HCI1394_TNF_HAL_STACK, "");
}
/*
* hci1394_tlabel_init()
* Initialize the tlabel structures. These structures will be protected
* by a mutex at the iblock_cookie passed in. Bad tlabels will be usable
* when > reclaim_time_nS has gone by. init() returns a handle to be used
* for the rest of the tlabel functions.
*/
void
hci1394_tlabel_init(hci1394_drvinfo_t *drvinfo, hrtime_t reclaim_time_nS,
hci1394_tlabel_handle_t *tlabel_handle)
{
hci1394_tlabel_t *tstruct;
ASSERT(tlabel_handle != NULL);
TNF_PROBE_0_DEBUG(hci1394_tlabel_init_enter, HCI1394_TNF_HAL_STACK, "");
/* alloc space for tlabel data */
tstruct = kmem_alloc(sizeof (hci1394_tlabel_t), KM_SLEEP);
/* setup handle which is returned from this function */
*tlabel_handle = tstruct;
/*
* Initialize tlabel structure. We start with max node set to the
* maxiumum node we could have so that we make sure the arrays are
* initialized correctly in hci1394_tlabel_reset().
*/
tstruct->tb_drvinfo = drvinfo;
tstruct->tb_reclaim_time = reclaim_time_nS;
tstruct->tb_max_node = TLABEL_RANGE - 1;
tstruct->tb_bcast_sent = B_FALSE;
mutex_init(&tstruct->tb_mutex, NULL, MUTEX_DRIVER,
drvinfo->di_iblock_cookie);
/*
* The mutex must be initialized before tlabel_reset()
* is called. This is because tlabel_reset is also
* used in normal tlabel processing (i.e. not just during
* initialization)
*/
hci1394_tlabel_reset(tstruct);
TNF_PROBE_0_DEBUG(hci1394_tlabel_init_exit, HCI1394_TNF_HAL_STACK, "");
}
/*
* hci1394_tlist_get()
* get the node at the head of the linked list. This function also removes
* the node from the list.
*/
void
hci1394_tlist_get(hci1394_tlist_handle_t tlist_handle,
hci1394_tlist_node_t **node)
{
ASSERT(tlist_handle != NULL);
ASSERT(node != NULL);
TNF_PROBE_0_DEBUG(hci1394_tlist_get_enter, HCI1394_TNF_HAL_STACK, "");
mutex_enter(&tlist_handle->tl_mutex);
/* set the return parameter */
*node = tlist_handle->tl_head;
/* remove the node from the tlist */
if (*node != NULL) {
hci1394_tlist_remove(tlist_handle, *node);
}
mutex_exit(&tlist_handle->tl_mutex);
TNF_PROBE_0_DEBUG(hci1394_tlist_get_exit, HCI1394_TNF_HAL_STACK, "");
}
/*
* hci1394_tlabel_bad()
* Register the specified tlabel as bad. tlabel_lookup() will no longer
* return a registered opaque command and this tlabel will not be returned
* from alloc() until > reclaim_time has passed. See set_reclaim_time() for
* more info.
*/
void
hci1394_tlabel_bad(hci1394_tlabel_handle_t tlabel_handle,
hci1394_tlabel_info_t *tlabel_info)
{
uint_t node_number;
uint_t tlabel;
ASSERT(tlabel_handle != NULL);
ASSERT(tlabel_info != NULL);
TNF_PROBE_0_DEBUG(hci1394_tlabel_bad_enter, HCI1394_TNF_HAL_STACK, "");
/* figure out what node and tlabel we are using */
node_number = IEEE1394_NODE_NUM(tlabel_info->tbi_destination);
tlabel = tlabel_info->tbi_tlabel & TLABEL_MASK;
mutex_enter(&tlabel_handle->tb_mutex);
TNF_PROBE_2(hci1394_tlabel_timeout, HCI1394_TNF_HAL_ERROR, "", tnf_uint,
nodeid, node_number, tnf_uint, bad_tlabel, tlabel_info->tbi_tlabel);
/*
* Put the tlabel in the bad list and NULL out the (void *) in the
* lookup structure. We may see this tlabel shortly if the device is
* late in responding. We want to make sure to drop the message if we
* do. Set the bad timestamp to the current time plus the reclaim time.
* This is the "new" time when all of the bad tlabels for this node will
* be free'd.
*/
tlabel_handle->tb_bad_timestamp[node_number] = gethrtime() +
tlabel_handle->tb_reclaim_time;
tlabel_handle->tb_bad[node_number] |= ((uint64_t)1 << tlabel);
tlabel_handle->tb_lookup[node_number][tlabel] = NULL;
mutex_exit(&tlabel_handle->tb_mutex);
TNF_PROBE_0_DEBUG(hci1394_tlabel_bad_exit, HCI1394_TNF_HAL_STACK, "");
}
/*
* s1394_fa_claim_addr_blk()
* Claim fixed address block.
*/
int
s1394_fa_claim_addr(s1394_hal_t *hal, s1394_fa_type_t type,
s1394_fa_descr_t *descr)
{
t1394_alloc_addr_t addr;
s1394_fa_hal_t *falp = &hal->hal_fa[type];
int ret;
TNF_PROBE_0_DEBUG(s1394_fa_claim_addr_enter, S1394_TNF_SL_FA_STACK, "");
/* Might have been claimed already */
if (falp->fal_addr_blk != NULL) {
TNF_PROBE_0_DEBUG(s1394_fa_claim_addr_exit,
S1394_TNF_SL_FA_STACK, "");
return (DDI_SUCCESS);
}
falp->fal_descr = descr;
bzero(&addr, sizeof (addr));
addr.aa_type = T1394_ADDR_FIXED;
addr.aa_address = descr->fd_addr;
addr.aa_length = descr->fd_size;
addr.aa_enable = descr->fd_enable;
addr.aa_evts = descr->fd_evts;
addr.aa_arg = hal;
ret = s1394_claim_addr_blk(hal, &addr);
if (ret != DDI_SUCCESS) {
TNF_PROBE_2(s1394_fa_claim_addr_error, S1394_TNF_SL_FA_ERROR,
"", tnf_int, type, type, tnf_int, ret, ret);
} else {
falp->fal_addr_blk = (s1394_addr_space_blk_t *)addr.aa_hdl;
}
TNF_PROBE_0_DEBUG(s1394_fa_claim_addr_exit, S1394_TNF_SL_FA_STACK, "");
return (ret);
}
static void
s1394_cmp_impr_recv_read_request(cmd1394_cmd_t *req)
{
s1394_hal_t *hal = req->cmd_callback_arg;
s1394_cmp_hal_t *cmp = &hal->hal_cmp;
TNF_PROBE_0_DEBUG(s1394_cmp_impr_recv_read_request_enter,
S1394_TNF_SL_CMP_STACK, "");
if (req->cmd_type != CMD1394_ASYNCH_RD_QUAD) {
req->cmd_result = IEEE1394_RESP_TYPE_ERROR;
} else {
rw_enter(&cmp->cmp_impr_rwlock, RW_READER);
req->cmd_u.q.quadlet_data = cmp->cmp_impr_val;
rw_exit(&cmp->cmp_impr_rwlock);
req->cmd_result = IEEE1394_RESP_COMPLETE;
}
(void) s1394_send_response(hal, req);
TNF_PROBE_0_DEBUG(s1394_cmp_impr_recv_read_request_exit,
S1394_TNF_SL_CMP_STACK, "");
}
static void
s1394_cmp_impr_recv_lock_request(cmd1394_cmd_t *req)
{
s1394_hal_t *hal = req->cmd_callback_arg;
s1394_cmp_hal_t *cmp = &hal->hal_cmp;
boolean_t notify = B_TRUE;
TNF_PROBE_0_DEBUG(s1394_cmp_impr_recv_lock_request_enter,
S1394_TNF_SL_CMP_STACK, "");
if ((req->cmd_type != CMD1394_ASYNCH_LOCK_32) ||
(req->cmd_u.l32.lock_type != CMD1394_LOCK_COMPARE_SWAP)) {
req->cmd_result = IEEE1394_RESP_TYPE_ERROR;
notify = B_FALSE;
} else {
rw_enter(&cmp->cmp_impr_rwlock, RW_WRITER);
req->cmd_u.l32.old_value = cmp->cmp_impr_val;
if (cmp->cmp_impr_val == req->cmd_u.l32.arg_value) {
/* write only allowed bits */
cmp->cmp_impr_val = (req->cmd_u.l32.data_value &
IEC61883_CMP_IMPR_LOCK_MASK) |
(cmp->cmp_impr_val & ~IEC61883_CMP_IMPR_LOCK_MASK);
}
rw_exit(&cmp->cmp_impr_rwlock);
req->cmd_result = IEEE1394_RESP_COMPLETE;
}
(void) s1394_send_response(hal, req);
/* notify all targets */
if (notify) {
s1394_cmp_notify_reg_change(hal, T1394_CMP_IMPR, NULL);
}
TNF_PROBE_0_DEBUG(s1394_cmp_impr_recv_lock_request_exit,
S1394_TNF_SL_CMP_STACK, "");
}
