/*
* dapl_hca_alloc
*
* alloc and initialize an HCA struct
*
* Input:
* name
* port
*
* Output:
* hca_ptr
*
* Returns:
* none
*
*/
DAPL_HCA *dapl_hca_alloc(char *name, char *port)
{
DAPL_HCA *hca_ptr;
hca_ptr = dapl_os_alloc(sizeof(DAPL_HCA));
if (NULL == hca_ptr) {
goto bail;
}
dapl_os_memzero(hca_ptr, sizeof(DAPL_HCA));
dapl_os_lock_init(&hca_ptr->lock);
dapl_llist_init_head(&hca_ptr->ia_list_head);
hca_ptr->name = dapl_os_strdup(name);
if (NULL == hca_ptr->name) {
goto bail;
}
hca_ptr->ib_hca_handle = IB_INVALID_HANDLE;
hca_ptr->port_num = dapl_os_strtol(port, NULL, 0);
return (hca_ptr);
bail:
if (NULL != hca_ptr)
dapl_os_free(hca_ptr, sizeof(DAPL_HCA));
return NULL;
}
/*
* dapl_ib_setup_conn_listener
*
* Have the CM set up a connection listener.
*
* Input:
* ibm_hca_handle HCA handle
* qp_handle QP handle
*
* Output:
* none
*
* Returns:
* DAT_SUCCESS
* DAT_INSUFFICIENT_RESOURCES
* DAT_INVALID_PARAMETER
*
*/
DAT_RETURN
dapls_ib_setup_conn_listener(IN DAPL_IA *ia_ptr,
IN DAT_UINT64 ServiceID, IN DAPL_SP *sp_ptr)
{
ib_hca_handle_t hca_hdl = ia_ptr->hca_ptr->ib_hca_handle;
struct dapls_ib_cm_srvc_handle *srvc_hdl;
dapl_service_register_t args;
struct sockaddr *s;
char addr_buf[64];
DAPL_EVD *evd_p = (DAPL_EVD *)sp_ptr->evd_handle;
int retval;
if (hca_hdl == NULL) {
dapl_dbg_log(DAPL_DBG_TYPE_ERR,
"setup_conn_listener: hca_handle == NULL\n");
return (DAT_INVALID_PARAMETER);
}
if (evd_p == NULL) {
dapl_dbg_log(DAPL_DBG_TYPE_ERR,
"setup_conn_listener: evd_p == NULL\n");
return (DAT_INVALID_PARAMETER);
}
srvc_hdl = (struct dapls_ib_cm_srvc_handle *)
dapl_os_alloc(sizeof (*srvc_hdl));
if (srvc_hdl == NULL) {
dapl_dbg_log(DAPL_DBG_TYPE_ERR,
"setup_conn_listener: srvc_handle == NULL\n");
return (DAT_INSUFFICIENT_RESOURCES);
}
args.sr_sid = ServiceID;
args.sr_evd_hkey = evd_p->ib_cq_handle->evd_hkey;
args.sr_sp_cookie = (uintptr_t)sp_ptr;
retval = ioctl(hca_hdl->ia_fd, DAPL_SERVICE_REGISTER, &args);
if (retval != 0) {
dapl_dbg_log(DAPL_DBG_TYPE_ERR,
"setup_conn_listener: register failed %s\n",
strerror(errno));
dapl_os_free(srvc_hdl, sizeof (*srvc_hdl));
return (dapls_convert_error(errno, retval));
}
srvc_hdl->sv_sp_hkey = args.sr_sp_hkey;
sp_ptr->cm_srvc_handle = srvc_hdl;
sp_ptr->conn_qual = args.sr_retsid;
s = (struct sockaddr *)&ia_ptr->hca_ptr->hca_address;
dapl_dbg_log(DAPL_DBG_TYPE_CM,
"setup_conn_listener: listening on ia_address %s, "
"conn_qual %016llu\n\n", dapls_inet_ntop(s, addr_buf, 64),
sp_ptr->conn_qual);
return (DAT_SUCCESS);
}
/*
* dapls_os_thread_create
*
* Create a thread for dapl
*
* Input:
* func function to invoke thread
* f_arg argument to pass to function
*
* Output
* thread_id handle for thread
*
* Returns:
* DAT_SUCCESS
*/
DAT_RETURN
dapl_os_thread_create(IN void (*func) (void *),
IN void *data, OUT DAPL_OS_THREAD * thread_id)
{
pthread_attr_t thread_attr;
struct thread_draft *thread_draft;
int status;
/*
* Get default set of thread attributes
*/
status = pthread_attr_init(&thread_attr);
if (status != 0) {
return DAT_ERROR(DAT_INTERNAL_ERROR, 0);
}
/* Create dapl threads as detached from this process */
status = pthread_attr_setdetachstate(&thread_attr,
PTHREAD_CREATE_DETACHED);
if (status != 0) {
return DAT_ERROR(DAT_INTERNAL_ERROR, 0);
}
thread_draft = dapl_os_alloc(sizeof(struct thread_draft));
thread_draft->func = func;
thread_draft->data = data;
/* Create the thread. Observe that we first invoke a local
* routine to set up OS parameters, before invoking the user
* specified routine.
*/
status = pthread_create(thread_id,
&thread_attr,
(void *(*)(void *))dapli_thread_init,
(void *)thread_draft);
/* clean up resources */
(void)pthread_attr_destroy(&thread_attr);
if (status != 0) {
return DAT_ERROR(DAT_INSUFFICIENT_RESOURCES, 0);
}
return DAT_SUCCESS;
}
DAPL_LMR *dapl_lmr_alloc(IN DAPL_IA * ia,
IN DAT_MEM_TYPE mem_type,
IN DAT_REGION_DESCRIPTION region_desc,
IN DAT_VLEN length,
IN DAT_PZ_HANDLE pz_handle,
IN DAT_MEM_PRIV_FLAGS mem_priv)
{
DAPL_LMR *lmr;
/* Allocate LMR */
lmr = (DAPL_LMR *) dapl_os_alloc(sizeof(DAPL_LMR));
if (NULL == lmr) {
return (NULL);
}
/* zero the structure */
dapl_os_memzero(lmr, sizeof(DAPL_LMR));
/*
* initialize the header
*/
lmr->header.provider = ia->header.provider;
lmr->header.magic = DAPL_MAGIC_LMR;
lmr->header.handle_type = DAT_HANDLE_TYPE_LMR;
lmr->header.owner_ia = ia;
lmr->header.user_context.as_64 = 0;
lmr->header.user_context.as_ptr = NULL;
dapl_llist_init_entry(&lmr->header.ia_list_entry);
dapl_ia_link_lmr(ia, lmr);
dapl_os_lock_init(&lmr->header.lock);
/*
* initialize the body
*/
lmr->param.ia_handle = (DAT_IA_HANDLE) ia;
lmr->param.mem_type = mem_type;
lmr->param.region_desc = region_desc;
lmr->param.length = length;
lmr->param.pz_handle = pz_handle;
lmr->param.mem_priv = mem_priv;
dapl_os_atomic_set(&lmr->lmr_ref_count, 0);
return (lmr);
}
/*
* dapl_cno_alloc
*
* alloc and initialize an EVD struct
*
* Input:
* ia
*
* Returns:
* cno_ptr, or null on failure.
*/
DAPL_CNO *
dapl_cno_alloc(
IN DAPL_IA *ia_ptr,
IN DAT_OS_WAIT_PROXY_AGENT wait_agent)
{
DAPL_CNO *cno_ptr;
cno_ptr = (DAPL_CNO *) dapl_os_alloc(sizeof (DAPL_CNO));
if (!cno_ptr) {
return (NULL);
}
/* zero the structure */
(void) dapl_os_memzero(cno_ptr, sizeof (DAPL_CNO));
/*
* Initialize the header.
*/
cno_ptr->header.provider = ia_ptr->header.provider;
cno_ptr->header.magic = DAPL_MAGIC_CNO;
cno_ptr->header.handle_type = DAT_HANDLE_TYPE_CNO;
cno_ptr->header.owner_ia = ia_ptr;
cno_ptr->header.user_context.as_64 = 0;
cno_ptr->header.user_context.as_ptr = NULL;
dapl_llist_init_entry(&cno_ptr->header.ia_list_entry);
dapl_llist_init_head(&cno_ptr->evd_list_head);
dapl_os_lock_init(&cno_ptr->header.lock);
/*
* Initialize the body
*/
cno_ptr->cno_waiters = 0;
cno_ptr->cno_ref_count = 0;
cno_ptr->cno_state = DAPL_CNO_STATE_UNTRIGGERED;
cno_ptr->cno_evd_triggered = NULL;
cno_ptr->cno_wait_agent = wait_agent;
(void) dapl_os_wait_object_init(&cno_ptr->cno_wait_object);
return (cno_ptr);
}
/*
* dapl_sp_alloc
*
* alloc and initialize a PSP INFO struct
*
* Input:
* IA INFO struct ptr
*
* Output:
* sp_ptr
*
* Returns:
* NULL
* pointer to sp info struct
*
*/
DAPL_SP *
dapls_sp_alloc(
IN DAPL_IA *ia_ptr,
IN DAT_BOOLEAN is_psp)
{
DAPL_SP *sp_ptr;
/* Allocate EP */
sp_ptr = (DAPL_SP *)dapl_os_alloc(sizeof (DAPL_SP));
if (sp_ptr == NULL) {
return (NULL);
}
/* zero the structure */
(void) dapl_os_memzero(sp_ptr, sizeof (DAPL_SP));
/*
* initialize the header
*/
sp_ptr->header.provider = ia_ptr->header.provider;
if (is_psp) {
sp_ptr->header.magic = DAPL_MAGIC_PSP;
sp_ptr->header.handle_type = DAT_HANDLE_TYPE_PSP;
} else {
sp_ptr->header.magic = DAPL_MAGIC_RSP;
sp_ptr->header.handle_type = DAT_HANDLE_TYPE_RSP;
}
sp_ptr->header.owner_ia = ia_ptr;
sp_ptr->header.user_context.as_64 = 0;
sp_ptr->header.user_context.as_ptr = NULL;
dapl_llist_init_entry(&sp_ptr->header.ia_list_entry);
dapl_os_lock_init(&sp_ptr->header.lock);
/*
* Initialize the Body (set to NULL above)
*/
dapl_llist_init_head(&sp_ptr->cr_list_head);
return (sp_ptr);
}
DAT_RETURN dapl_evd_resize(
IN DAT_EVD_HANDLE evd_handle,
IN DAT_COUNT req_evd_qlen)
{
int i;
DAPL_EVD *evd_ptr;
DAT_EVENT *event_ptr;
DAT_EVENT *eventp;
DAT_EVENT *event;
DAT_EVENT *new_event;
DAPL_RING_BUFFER free_event_queue;
DAPL_RING_BUFFER pending_event_queue;
DAT_RETURN dat_status;
DAT_COUNT max_evd_qlen;
DAT_COUNT evd_qlen;
evd_ptr = (DAPL_EVD *)evd_handle;
dat_status = DAT_SUCCESS;
if (DAPL_BAD_HANDLE(evd_handle, DAPL_MAGIC_EVD)) {
return (DAT_ERROR(DAT_INVALID_HANDLE, 0));
}
if (req_evd_qlen < evd_ptr->qlen) {
return (DAT_ERROR(DAT_INVALID_STATE, 0));
}
if (req_evd_qlen == evd_ptr->qlen) {
return (DAT_SUCCESS);
}
max_evd_qlen = evd_ptr->header.owner_ia->hca_ptr->ia_attr.max_evd_qlen;
if (req_evd_qlen > max_evd_qlen) {
return (DAT_ERROR(DAT_INVALID_STATE, 0));
}
evd_qlen = DAPL_MIN_RESZ_QLEN;
while (req_evd_qlen > evd_qlen) {
evd_qlen <<= 1;
if (evd_qlen > max_evd_qlen)
evd_qlen = max_evd_qlen;
}
/* Allocate EVENTs */
event_ptr = (DAT_EVENT *) dapl_os_alloc(evd_qlen * sizeof (DAT_EVENT));
if (!event_ptr) {
return (DAT_ERROR(DAT_INSUFFICIENT_RESOURCES,
DAT_RESOURCE_MEMORY));
}
/* allocate free event queue */
dat_status = dapls_rbuf_alloc(&free_event_queue, evd_qlen);
if (dat_status != DAT_SUCCESS) {
goto bail;
}
/* allocate pending event queue */
dat_status = dapls_rbuf_alloc(&pending_event_queue, evd_qlen);
if (dat_status != DAT_SUCCESS) {
goto bail;
}
/* need to resize the cq only for DTO/BIND evds */
if (0 != (evd_ptr->evd_flags & ~ (DAT_EVD_SOFTWARE_FLAG |
DAT_EVD_CONNECTION_FLAG | DAT_EVD_CR_FLAG))) {
dat_status = dapls_ib_cq_resize(evd_ptr, evd_qlen);
if (dat_status != DAT_SUCCESS)
goto bail;
}
/* add events to free event queue */
for (i = 0, eventp = event_ptr; i < evd_qlen; i++) {
(void) dapls_rbuf_add(&free_event_queue, (void *)eventp);
eventp++;
}
/*
* copy pending events from evd to the new pending event queue
*/
while (event = (DAT_EVENT *)
dapls_rbuf_remove(&evd_ptr->pending_event_queue)) {
new_event = (DAT_EVENT *) dapls_rbuf_remove(&free_event_queue);
dapl_os_assert(new_event);
(void) dapl_os_memcpy(new_event, event, sizeof (DAT_EVENT));
dat_status = dapls_rbuf_add(&pending_event_queue, new_event);
dapl_os_assert(dat_status == DAT_SUCCESS);
dat_status = dapls_rbuf_add(&evd_ptr->free_event_queue, event);
dapl_os_assert(dat_status == DAT_SUCCESS);
}
dapls_rbuf_destroy(&evd_ptr->free_event_queue);
dapls_rbuf_destroy(&evd_ptr->pending_event_queue);
if (evd_ptr->events) {
dapl_os_free(evd_ptr->events,
evd_ptr->qlen * sizeof (DAT_EVENT));
}
evd_ptr->events = event_ptr;
evd_ptr->free_event_queue = free_event_queue;
evd_ptr->pending_event_queue = pending_event_queue;
evd_ptr->qlen = evd_qlen;
return (DAT_SUCCESS);
bail:
/*
* If we are here means event_ptr was allocd but something else
* failed
*/
dapl_os_free(event_ptr, evd_qlen * sizeof (DAT_EVENT));
dapls_rbuf_destroy(&free_event_queue);
dapls_rbuf_destroy(&pending_event_queue);
return (dat_status);
}
