psm_error_t
__psm_ep_epid_share_memory(psm_ep_t ep, psm_epid_t epid, int *result_o)
{
uint32_t num_lids = 0;
uint16_t *lids = NULL;
int i;
uint16_t epid_lid;
int result = 0;
psm_error_t err;
psmi_assert_always(ep != NULL);
PSMI_ERR_UNLESS_INITIALIZED(ep);
epid_lid = (uint16_t) psm_epid_nid(epid);
/* If we're in non-hfi mode, done bother listing lids */
if (!psmi_ep_device_is_enabled(ep, PTL_DEVID_IPS)) {
uint64_t mylid = (uint16_t) psm_epid_nid(ep->epid);
if (mylid == epid_lid)
result = 1;
} else {
err = psmi_ep_devlids(&lids, &num_lids, ep->gid_hi, ep->gid_lo);
if (err)
return err;
for (i = 0; i < num_lids; i++) {
if (epid_lid == lids[i]) {
result = 1;
break;
}
}
}
*result_o = result;
return PSM_OK;
}
psm_error_t
__psm_am_reply_short(psm_am_token_t token, psm_handler_t handler,
psm_amarg_t *args, int nargs, void *src, size_t len,
int flags, psm_am_completion_fn_t completion_fn,
void *completion_ctxt)
{
psm_error_t err;
struct psmi_am_token *tok;
psm_epaddr_t epaddr;
ptl_ctl_t *ptlc;
PSMI_ASSERT_INITIALIZED();
psmi_assert_always(token != NULL);
psmi_assert(handler >= 0 && handler < psmi_am_parameters.max_handlers);
psmi_assert(nargs >= 0 && nargs <= psmi_am_parameters.max_nargs);
psmi_assert(nargs > 0 ? args != NULL : 1);
psmi_assert(len >= 0 && len <= psmi_am_parameters.max_reply_short);
psmi_assert(len > 0 ? src != NULL : 1);
tok = (struct psmi_am_token *)token;
epaddr = tok->epaddr_from;
ptlc = epaddr->ptlctl;
/* No locking here since we are already within handler context and already
* locked */
err = ptlc->am_short_reply(token, handler, args,
nargs, src, len, flags, completion_fn,
completion_ctxt);
return err;
}
psm_error_t __psm_ep_epid_lookup(psm_epid_t epid, psm_epconn_t *epconn)
{
psm_error_t err = PSM_OK;
psm_epaddr_t epaddr;
psm_ep_t ep;
PSMI_ERR_UNLESS_INITIALIZED(NULL);
/* Need to have an opened endpoint before we can resolve epids */
if (psmi_opened_endpoint == NULL) {
err = psmi_handle_error(NULL, PSM_EP_WAS_CLOSED,
"PSM Endpoint is closed or does not exist");
return err;
}
ep = psmi_opened_endpoint;
while (ep) {
epaddr = psmi_epid_lookup(ep, epid);
if (!epaddr) {
ep = ep->user_ep_next;
continue;
}
/* Found connection for epid. Return info about endpoint to caller. */
psmi_assert_always(epaddr->ptlctl->ep == ep);
epconn->addr = epaddr;
epconn->ep = ep;
epconn->mq = ep->mq;
return err;
}
err = psmi_handle_error(NULL, PSM_EPID_UNKNOWN,
"Endpoint connection status unknown");
return err;
}
int psmi_sysbuf_init(void)
{
int i;
uint32_t block_sizes[] = { 256, 512, 1024,
2048, 4096, 8192, (uint32_t) -1 };
uint32_t replenishing_rate[] = { 128, 64, 32, 16, 8, 4, 0 };
if (psmi_sysbuf.is_initialized)
return PSM_OK;
for (i = 0; i < MM_NUM_OF_POOLS; i++) {
psmi_sysbuf.handler_index[i].block_size = block_sizes[i];
psmi_sysbuf.handler_index[i].current_available = 0;
psmi_sysbuf.handler_index[i].free_list = NULL;
psmi_sysbuf.handler_index[i].total_alloc = 0;
psmi_sysbuf.handler_index[i].replenishing_rate =
replenishing_rate[i];
if (block_sizes[i] == -1) {
psmi_assert_always(replenishing_rate[i] == 0);
psmi_sysbuf.handler_index[i].flags =
MM_FLAG_TRANSIENT;
} else {
psmi_assert_always(replenishing_rate[i] > 0);
psmi_sysbuf.handler_index[i].flags = MM_FLAG_NONE;
}
}
VALGRIND_CREATE_MEMPOOL(&psmi_sysbuf, PSM_VALGRIND_REDZONE_SZ,
PSM_VALGRIND_MEM_UNDEFINED);
/* Hit once on each block size so we have a pool that's allocated */
for (i = 0; i < MM_NUM_OF_POOLS; i++) {
void *ptr;
if (block_sizes[i] == -1)
continue;
ptr = psmi_sysbuf_alloc(block_sizes[i]);
psmi_sysbuf_free(ptr);
}
return PSM_OK;
}
psm2_error_t ips_epstate_del(struct ips_epstate *eps, ips_epstate_idx connidx)
{
ips_epstate_idx idx;
/* actual table index */
idx = (connidx + eps->eps_base_idx) & (IPS_EPSTATE_CONNIDX_MAX-1);
psmi_assert_always(idx < eps->eps_tabsize);
_HFI_VDBG("connidx=%d, table_idx=%d\n", connidx, idx);
eps->eps_tab[idx].ipsaddr = NULL;
/* We may eventually want to release memory, but probably not */
eps->eps_tabsizeused--;
return PSM2_OK;
}
psm2_error_t
ips_am_short_request(psm2_epaddr_t epaddr,
psm2_handler_t handler, psm2_amarg_t *args, int nargs,
void *src, size_t len, int flags,
psm2_am_completion_fn_t completion_fn,
void *completion_ctxt)
{
struct ips_proto_am *proto_am = &epaddr->proto->proto_am;
psm2_error_t err;
ips_scb_t *scb;
ips_epaddr_t *ipsaddr;
int pad_bytes = calculate_pad_bytes(len);
int payload_sz = (nargs << 3);
if_pt(!(flags & PSM2_AM_FLAG_ASYNC))
payload_sz += len;
if (payload_sz > (IPS_AM_HDR_NARGS << 3)) {
/* Payload can't fit in header, allocate buffer to carry data */
int arg_sz = (nargs > IPS_AM_HDR_NARGS) ?
((nargs - IPS_AM_HDR_NARGS) << 3) : 0;
/* len + pad_bytes + overflow_args */
PSMI_BLOCKUNTIL(epaddr->ptlctl->ep,
err,
((scb = ips_scbctrl_alloc(
&proto_am->scbc_request,
1,
len + pad_bytes + arg_sz,
IPS_SCB_FLAG_ADD_BUFFER)) != NULL));
} else {
PSMI_BLOCKUNTIL(epaddr->ptlctl->ep,
err,
((scb = ips_scbctrl_alloc_tiny(
&proto_am->scbc_request)) != NULL));
}
psmi_assert_always(scb != NULL);
ips_am_scb_init(scb, handler, nargs, pad_bytes,
completion_fn, completion_ctxt);
/* Select the next ipsaddr for multi-rail */
ipsaddr = ((ips_epaddr_t *)epaddr)->msgctl->ipsaddr_next;
ipsaddr->msgctl->ipsaddr_next = ipsaddr->next;
return am_short_reqrep(scb, ipsaddr, args,
nargs,
(flags & PSM2_AM_FLAG_NOREPLY) ?
OPCODE_AM_REQUEST_NOREPLY : OPCODE_AM_REQUEST,
src, len, flags, pad_bytes);
}
/*
* Add ipsaddr with epid to the epstate table, return new index to caller in
* 'connidx'.
*/
psm2_error_t
ips_epstate_add(struct ips_epstate *eps, struct ips_epaddr *ipsaddr,
ips_epstate_idx *connidx_o)
{
int i, j;
ips_epstate_idx connidx;
if (++eps->eps_tabsizeused > eps->eps_tabsize) { /* realloc */
struct ips_epstate_entry *newtab;
eps->eps_tabsize += PTL_EPADDR_ALLOC_CHUNK;
newtab = (struct ips_epstate_entry *)
psmi_calloc(eps->context->ep, PER_PEER_ENDPOINT,
eps->eps_tabsize,
sizeof(struct ips_epstate_entry));
if (newtab == NULL)
return PSM2_NO_MEMORY;
else if (eps->eps_tab) { /* NOT first alloc */
for (i = 0;
i < eps->eps_tabsize - PTL_EPADDR_ALLOC_CHUNK; i++)
newtab[i] = eps->eps_tab[i]; /* deep copy */
psmi_free(eps->eps_tab);
}
eps->eps_tab = newtab;
}
/* Find the next free hole. We can afford to do this since connect is not
* in the critical path */
for (i = 0, j = eps->eps_tab_nextidx; i < eps->eps_tabsize; i++, j++) {
if (j == eps->eps_tabsize)
j = 0;
if (eps->eps_tab[j].ipsaddr == NULL) {
eps->eps_tab_nextidx = j + 1;
if (eps->eps_tab_nextidx == eps->eps_tabsize)
eps->eps_tab_nextidx = 0;
break;
}
}
psmi_assert_always(i != eps->eps_tabsize);
connidx = (j - eps->eps_base_idx) & (IPS_EPSTATE_CONNIDX_MAX-1);
_HFI_VDBG("node %s gets connidx=%d (table idx %d)\n",
psmi_epaddr_get_name(((psm2_epaddr_t) ipsaddr)->epid), connidx,
j);
eps->eps_tab[j].ipsaddr = ipsaddr;
if (j >= IPS_EPSTATE_CONNIDX_MAX) {
return psmi_handle_error(eps->context->ep,
PSM2_TOO_MANY_ENDPOINTS,
"Can't connect to more than %d non-local endpoints",
IPS_EPSTATE_CONNIDX_MAX);
}
*connidx_o = connidx;
return PSM2_OK;
}
void
psmi_am_mq_handler(void *toki, psm2_amarg_t *args, int narg, void *buf,
size_t len)
{
amsh_am_token_t *tok = (amsh_am_token_t *) toki;
psm2_mq_req_t req;
psm2_mq_tag_t tag;
int rc;
uint32_t opcode = args[0].u32w0;
uint32_t msglen = opcode <= MQ_MSG_SHORT ? len : args[0].u32w1;
tag.tag[0] = args[1].u32w1;
tag.tag[1] = args[1].u32w0;
tag.tag[2] = args[2].u32w1;
psmi_assert(toki != NULL);
_HFI_VDBG("mq=%p opcode=%d, len=%d, msglen=%d\n",
tok->mq, opcode, (int)len, msglen);
switch (opcode) {
case MQ_MSG_TINY:
case MQ_MSG_SHORT:
case MQ_MSG_EAGER:
rc = psmi_mq_handle_envelope(tok->mq, tok->tok.epaddr_incoming,
&tag, msglen, 0, buf,
(uint32_t) len, 1, opcode, &req);
/* for eager matching */
req->ptl_req_ptr = (void *)tok->tok.epaddr_incoming;
req->msg_seqnum = 0; /* using seqnum 0 */
break;
default:{
void *sreq = (void *)(uintptr_t) args[3].u64w0;
uintptr_t sbuf = (uintptr_t) args[4].u64w0;
psmi_assert(narg == 5);
psmi_assert_always(opcode == MQ_MSG_LONGRTS);
rc = psmi_mq_handle_rts(tok->mq, tok->tok.epaddr_incoming,
&tag, msglen, NULL, 0, 1,
ptl_handle_rtsmatch, &req);
req->rts_peer = tok->tok.epaddr_incoming;
req->ptl_req_ptr = sreq;
req->rts_sbuf = sbuf;
if (rc == MQ_RET_MATCH_OK) /* we are in handler context, issue a reply */
ptl_handle_rtsmatch_request(req, 1, tok);
/* else will be called later */
break;
}
}
return;
}
psm2_error_t
ips_tid_acquire(struct ips_tid *tidc,
const void *buf, uint32_t *length,
uint32_t *tid_array, uint32_t *tidcnt)
{
struct ips_tid_ctrl *ctrl = tidc->tid_ctrl;
psm2_error_t err = PSM2_OK;
int rc;
psmi_assert(((uintptr_t) buf & 0xFFF) == 0);
psmi_assert(((*length) & 0xFFF) == 0);
if (tidc->context->tid_ctrl)
pthread_spin_lock(&ctrl->tid_ctrl_lock);
if (!ctrl->tid_num_avail) {
err = PSM2_EP_NO_RESOURCES;
goto fail;
}
/* Clip length if it exceeds worst case tid allocation,
where each entry in the tid array can accomodate only
1 page. */
if (*length > 4096*tidc->tid_ctrl->tid_num_max)
{
*length = 4096*tidc->tid_ctrl->tid_num_max;
}
rc = hfi_update_tid(tidc->context->ctrl,
(uint64_t) (uintptr_t) buf, length,
(uint64_t) (uintptr_t) tid_array, tidcnt);
if (rc < 0) {
/* Unable to pin pages? retry later */
err = PSM2_EP_DEVICE_FAILURE;
goto fail;
}
psmi_assert_always((*tidcnt) > 0);
psmi_assert(ctrl->tid_num_avail >= (*tidcnt));
ctrl->tid_num_avail -= (*tidcnt);
tidc->tid_num_total += (*tidcnt);
tidc->tid_num_inuse += (*tidcnt);
fail:
if (tidc->context->tid_ctrl)
pthread_spin_unlock(&ctrl->tid_ctrl_lock);
return err;
}
void
psmi_am_mq_handler_data(void *toki, psm2_amarg_t *args, int narg, void *buf,
size_t len)
{
amsh_am_token_t *tok = (amsh_am_token_t *) toki;
psmi_assert(toki != NULL);
psm2_epaddr_t epaddr = (psm2_epaddr_t) tok->tok.epaddr_incoming;
psm2_mq_req_t req = mq_eager_match(tok->mq, epaddr, 0); /* using seqnum 0 */
psmi_assert_always(req != NULL);
psmi_mq_handle_data(tok->mq, req, args[2].u32w0, buf, len);
return;
}
static
psm2_error_t
ptl_handle_rtsmatch_request(psm2_mq_req_t req, int was_posted,
amsh_am_token_t *tok)
{
psm2_amarg_t args[5];
psm2_epaddr_t epaddr = req->rts_peer;
ptl_t *ptl = epaddr->ptlctl->ptl;
int pid = 0;
PSM2_LOG_MSG("entering.");
psmi_assert((tok != NULL && was_posted)
|| (tok == NULL && !was_posted));
_HFI_VDBG("[shm][rndv][recv] req=%p dest=%p len=%d tok=%p\n",
req, req->buf, req->recv_msglen, tok);
if ((ptl->psmi_kassist_mode & PSMI_KASSIST_GET)
&& req->recv_msglen > 0
&& (pid = psmi_epaddr_pid(epaddr))) {
/* cma can be done in handler context or not. */
size_t nbytes = cma_get(pid, (void *)req->rts_sbuf,
req->buf, req->recv_msglen);
psmi_assert_always(nbytes == req->recv_msglen);
}
args[0].u64w0 = (uint64_t) (uintptr_t) req->ptl_req_ptr;
args[1].u64w0 = (uint64_t) (uintptr_t) req;
args[2].u64w0 = (uint64_t) (uintptr_t) req->buf;
args[3].u32w0 = req->recv_msglen;
args[3].u32w1 = tok != NULL ? 1 : 0;
args[4].u64w0 = 0;
if (tok != NULL) {
psmi_am_reqq_add(AMREQUEST_SHORT, tok->ptl,
tok->tok.epaddr_incoming, mq_handler_rtsmatch_hidx,
args, 5, NULL, 0, NULL, 0);
} else
psmi_amsh_short_request(ptl, epaddr, mq_handler_rtsmatch_hidx,
args, 5, NULL, 0, 0);
/* 0-byte completion or we used kassist */
if (pid || req->recv_msglen == 0)
psmi_mq_handle_rts_complete(req);
PSM2_LOG_MSG("leaving.");
return PSM2_OK;
}
psm2_error_t
ips_am_short_reply(psm2_am_token_t tok,
psm2_handler_t handler, psm2_amarg_t *args, int nargs,
void *src, size_t len, int flags,
psm2_am_completion_fn_t completion_fn, void *completion_ctxt)
{
struct ips_am_token *token = (struct ips_am_token *)tok;
struct ips_proto_am *proto_am = token->proto_am;
struct ips_epaddr *ipsaddr = token->epaddr_rail;
int pad_bytes = calculate_pad_bytes(len);
int scb_flags = 0;
ips_scb_t *scb;
if (!token->tok.can_reply) {
_HFI_ERROR("Invalid AM reply for request!");
return PSM2_AM_INVALID_REPLY;
}
psmi_assert(ips_scbctrl_avail(&proto_am->scbc_reply));
if ((nargs << 3) + len <= (IPS_AM_HDR_NARGS << 3)) {
scb = ips_scbctrl_alloc_tiny(&proto_am->scbc_reply);
} else {
int payload_sz = (nargs << 3);
payload_sz += (flags & PSM2_AM_FLAG_ASYNC) ?
0 : (len + pad_bytes);
scb_flags |= (payload_sz > (IPS_AM_HDR_NARGS << 3)) ?
IPS_SCB_FLAG_ADD_BUFFER : 0;
scb =
ips_scbctrl_alloc(&proto_am->scbc_reply, 1, payload_sz,
scb_flags);
}
psmi_assert_always(scb != NULL);
ips_am_scb_init(scb, handler, nargs, pad_bytes,
completion_fn, completion_ctxt);
am_short_reqrep(scb, ipsaddr, args, nargs, OPCODE_AM_REPLY,
src, len, flags, pad_bytes);
return PSM2_OK;
}
void
psmi_am_mq_handler_rtsmatch(void *toki, psm2_amarg_t *args, int narg, void *buf,
size_t len)
{
amsh_am_token_t *tok = (amsh_am_token_t *) toki;
psmi_assert(toki != NULL);
ptl_t *ptl = tok->ptl;
psm2_mq_req_t sreq = (psm2_mq_req_t) (uintptr_t) args[0].u64w0;
void *dest = (void *)(uintptr_t) args[2].u64w0;
uint32_t msglen = args[3].u32w0;
psm2_amarg_t rarg[1];
_HFI_VDBG("[rndv][send] req=%p dest_req=%p src=%p dest=%p len=%d\n",
sreq, (void *)(uintptr_t) args[1].u64w0, sreq->buf, dest,
msglen);
if (msglen > 0) {
rarg[0].u64w0 = args[1].u64w0; /* rreq */
int kassist_mode = ptl->psmi_kassist_mode;
if (kassist_mode & PSMI_KASSIST_PUT) {
int pid = psmi_epaddr_pid(tok->tok.epaddr_incoming);
size_t nbytes = cma_put(sreq->buf, pid, dest, msglen);
psmi_assert_always(nbytes == msglen);
/* Send response that PUT is complete */
psmi_amsh_short_reply(tok, mq_handler_rtsdone_hidx,
rarg, 1, NULL, 0, 0);
} else if (!(kassist_mode & PSMI_KASSIST_MASK)) {
/* Only transfer if kassist is off, i.e. neither GET nor PUT. */
psmi_amsh_long_reply(tok, mq_handler_rtsdone_hidx, rarg,
1, sreq->buf, msglen, dest, 0);
}
}
psmi_mq_handle_rts_complete(sreq);
}
psm_error_t
__psm_am_reply_short(psm_am_token_t token, psm_handler_t handler,
psm_amarg_t *args, int nargs, void *src, size_t len,
int flags, psm_am_completion_fn_t completion_fn,
void *completion_ctxt)
{
psm_error_t err;
struct psmi_am_token *tok = (struct psmi_am_token *)token;
psm_epaddr_t epaddr = tok->epaddr_from;
ptl_ctl_t *ptlc = epaddr->ptlctl;
psmi_assert_always(token != NULL);
/* No locking here since we are already within handler context and already
* locked */
PSMI_ASSERT_INITIALIZED();
err = ptlc->am_short_reply(token, handler, args,
nargs, src, len, flags, completion_fn,
completion_ctxt);
return err;
}
psm2_error_t
ips_subcontext_ureg_get(ptl_t *ptl, uint32_t subcontext_cnt,
psmi_context_t *context,
struct ips_subcontext_ureg **uregp)
{
const struct hfi1_base_info *base_info = &context->ctrl->base_info;
uintptr_t all_subcontext_uregbase =
(uintptr_t) base_info->subctxt_uregbase;
int i;
psmi_assert_always(all_subcontext_uregbase != 0);
for (i = 0; i < HFI1_MAX_SHARED_CTXTS; i++) {
struct ips_subcontext_ureg *subcontext_ureg =
(struct ips_subcontext_ureg *)all_subcontext_uregbase;
*uregp++ = (i < subcontext_cnt) ? subcontext_ureg : NULL;
all_subcontext_uregbase += sizeof(struct ips_subcontext_ureg);
}
ptl->recvshc->hwcontext_ctrl =
(struct ips_hwcontext_ctrl *)all_subcontext_uregbase;
all_subcontext_uregbase += sizeof(struct ips_hwcontext_ctrl);
context->spio_ctrl = (void *)all_subcontext_uregbase;
all_subcontext_uregbase += sizeof(struct ips_spio_ctrl);
context->tid_ctrl = (void *)all_subcontext_uregbase;
all_subcontext_uregbase += sizeof(struct ips_tid_ctrl);
context->tf_ctrl = (void *)all_subcontext_uregbase;
all_subcontext_uregbase += sizeof(struct ips_tf_ctrl);
psmi_assert((all_subcontext_uregbase -
(uintptr_t) base_info->subctxt_uregbase) <= PSMI_PAGESIZE);
return PSM2_OK;
}
/*
* Register a new buffer with driver, and cache the tidinfo.
*/
static psm2_error_t
ips_tidcache_register(struct ips_tid *tidc,
unsigned long start, uint32_t length, uint32_t *firstidx)
{
cl_qmap_t *p_map = &tidc->tid_cachemap;
uint32_t tidoff, tidlen;
uint32_t idx, tidcnt;
psm2_error_t err;
/*
* make sure we have at least one free tid to
* register the new buffer.
*/
if (NTID == tidc->tid_cachesize) {
/* all tids are in active use, error? */
if (NIDLE == 0)
return PSM2_OK_NO_PROGRESS;
/*
* free the first tid in idle queue.
*/
idx = IPREV(IHEAD);
tidc->tid_array[0] = p_map->root[idx].payload.tidinfo;
err = ips_tidcache_remove(tidc, 1);
if (err)
return err;
}
psmi_assert(NTID < tidc->tid_cachesize);
/* Clip length if it exceeds worst case tid allocation,
where each entry in the tid array can accomodate only
1 page. */
if (length > 4096*tidc->tid_ctrl->tid_num_max)
{
length = 4096*tidc->tid_ctrl->tid_num_max;
}
/*
* register the new buffer.
*/
retry:
tidcnt = 0;
if (hfi_update_tid(tidc->context->ctrl,
(uint64_t) start, &length,
(uint64_t) tidc->tid_array, &tidcnt) < 0) {
/* if driver reaches lockable memory limit */
if (errno == ENOMEM && NIDLE) {
uint64_t lengthEvicted = ips_tidcache_evict(tidc,length);
if (lengthEvicted >= length)
goto retry;
}
/* Unable to pin pages? retry later */
return PSM2_EP_DEVICE_FAILURE;
}
psmi_assert_always(tidcnt > 0);
psmi_assert((tidcnt+NTID) <= tidc->tid_cachesize);
/*
* backward processing because we want to return
* the first RB index in the array.
*/
idx = 0;
tidoff = length;
while (tidcnt) {
/*
* Driver only returns tidctrl=1 or tidctrl=2.
*/
tidcnt--;
idx = 2*IPS_TIDINFO_GET_TID(tidc->tid_array[tidcnt]) +
IPS_TIDINFO_GET_TIDCTRL(tidc->tid_array[tidcnt]);
tidlen = IPS_TIDINFO_GET_LENGTH(tidc->tid_array[tidcnt]);
/*
* sanity check.
*/
psmi_assert(idx != 0);
psmi_assert(idx <= tidc->tid_ctrl->tid_num_max);
psmi_assert(INVALIDATE(idx) != 0);
psmi_assert(REFCNT(idx) == 0);
/*
* clear the tid invalidated.
*/
INVALIDATE(idx) = 0;
/*
* put the tid into a RB node.
*/
tidoff -= tidlen << 12;
START(idx) = start + tidoff;
LENGTH(idx) = tidlen;
p_map->root[idx].payload.tidinfo = tidc->tid_array[tidcnt];
/*
* put the node into RB tree and idle queue head.
*/
IDLE_INSERT(idx);
ips_cl_qmap_insert_item(p_map, &p_map->root[idx]);
}
psmi_assert(idx != 0);
psmi_assert(tidoff == 0);
*firstidx = idx;
return PSM2_OK;
}
psm2_error_t
__psm2_ep_connect(psm2_ep_t ep, int num_of_epid, psm2_epid_t const *array_of_epid,
int const *array_of_epid_mask, /* can be NULL */
psm2_error_t *array_of_errors, psm2_epaddr_t *array_of_epaddr,
int64_t timeout)
{
psm2_error_t err = PSM2_OK;
ptl_ctl_t *ptlctl;
ptl_t *ptl;
int i, j, dup_idx;
int num_toconnect = 0;
int *epid_mask = NULL;
int *epid_mask_isdupof = NULL;
char *device;
uint64_t t_start = get_cycles();
uint64_t t_left;
union psmi_envvar_val timeout_intval;
PSM2_LOG_MSG("entering");
PSMI_ERR_UNLESS_INITIALIZED(ep);
PSMI_PLOCK();
/*
* Normally we would lock here, but instead each implemented ptl component
* does its own locking. This is mostly because the ptl components are
* ahead of the PSM interface in that they can disconnect their peers.
*/
if (ep == NULL || array_of_epaddr == NULL || array_of_epid == NULL ||
num_of_epid < 1) {
err = psmi_handle_error(ep, PSM2_PARAM_ERR,
"Invalid psm2_ep_connect parameters");
goto fail;
}
/* We need two of these masks to detect duplicates */
err = PSM2_NO_MEMORY;
epid_mask =
(int *)psmi_malloc(ep, UNDEFINED, sizeof(int) * num_of_epid);
if (epid_mask == NULL)
goto fail;
epid_mask_isdupof =
(int *)psmi_malloc(ep, UNDEFINED, sizeof(int) * num_of_epid);
if (epid_mask_isdupof == NULL)
goto fail;
err = PSM2_OK;
/* Eventually handle timeouts across all connects. */
for (j = 0; j < num_of_epid; j++) {
if (array_of_epid_mask != NULL && !array_of_epid_mask[j])
epid_mask[j] = 0;
else {
epid_mask[j] = 1;
array_of_errors[j] = PSM2_EPID_UNKNOWN;
array_of_epaddr[j] = NULL;
num_toconnect++;
}
epid_mask_isdupof[j] = -1;
}
psmi_getenv("PSM2_CONNECT_TIMEOUT",
"End-point connection timeout over-ride. 0 for no time-out.",
PSMI_ENVVAR_LEVEL_USER, PSMI_ENVVAR_TYPE_UINT,
(union psmi_envvar_val)0, &timeout_intval);
if (getenv("PSM2_CONNECT_TIMEOUT")) {
timeout = timeout_intval.e_uint * SEC_ULL;
} else if (timeout > 0) {
/* The timeout parameter provides the minimum timeout. A heuristic
* is used to scale up the timeout linearly with the number of
* endpoints, and we allow one second per 100 endpoints. */
timeout = max(timeout, (num_toconnect * SEC_ULL) / 100);
}
if (timeout > 0 && timeout < PSMI_MIN_EP_CONNECT_TIMEOUT)
timeout = PSMI_MIN_EP_CONNECT_TIMEOUT;
_HFI_PRDBG("Connect to %d endpoints with time-out of %.2f secs\n",
num_toconnect, (double)timeout / 1e9);
/* Look for duplicates in input array */
for (i = 0; i < num_of_epid; i++) {
for (j = i + 1; j < num_of_epid; j++) {
if (array_of_epid[i] == array_of_epid[j] &&
epid_mask[i] && epid_mask[j]) {
epid_mask[j] = 0; /* don't connect more than once */
epid_mask_isdupof[j] = i;
}
}
}
for (i = 0; i < PTL_MAX_INIT; i++) {
if (ep->devid_enabled[i] == -1)
continue;
/* Set up the right connect ptrs */
switch (ep->devid_enabled[i]) {
case PTL_DEVID_IPS:
ptlctl = &ep->ptl_ips;
ptl = ep->ptl_ips.ptl;
device = "ips";
break;
case PTL_DEVID_AMSH:
ptlctl = &ep->ptl_amsh;
ptl = ep->ptl_amsh.ptl;
device = "amsh";
break;
case PTL_DEVID_SELF:
ptlctl = &ep->ptl_self;
ptl = ep->ptl_self.ptl;
device = "self";
break;
default:
device = "unknown";
ptlctl = &ep->ptl_ips; /*no-unused */
ptl = ep->ptl_ips.ptl; /*no-unused */
device = "ips"; /*no-unused */
psmi_handle_error(PSMI_EP_NORETURN, PSM2_INTERNAL_ERR,
"Unknown/unhandled PTL id %d\n",
ep->devid_enabled[i]);
break;
}
t_left = psmi_cycles_left(t_start, timeout);
_HFI_VDBG("Trying to connect with device %s\n", device);
if ((err = ptlctl->ep_connect(ptl, num_of_epid, array_of_epid,
epid_mask, array_of_errors,
array_of_epaddr,
cycles_to_nanosecs(t_left)))) {
_HFI_PRDBG("Connect failure in device %s err=%d\n",
device, err);
goto connect_fail;
}
/* Now process what's been connected */
for (j = 0; j < num_of_epid; j++) {
dup_idx = epid_mask_isdupof[j];
if (!epid_mask[j] && dup_idx == -1)
continue;
if (dup_idx != -1) { /* dup */
array_of_epaddr[j] = array_of_epaddr[dup_idx];
array_of_errors[j] = array_of_errors[dup_idx];
epid_mask_isdupof[j] = -1;
}
if (array_of_errors[j] == PSM2_OK) {
epid_mask[j] = 0; /* don't try on next ptl */
ep->connections++;
}
}
}
for (i = 0; i < num_of_epid; i++) {
ptl_ctl_t *c = NULL;
if (array_of_epid_mask != NULL && !array_of_epid_mask[i])
continue;
/* If we see unreachable here, that means some PTLs were not enabled */
if (array_of_errors[i] == PSM2_EPID_UNREACHABLE) {
err = PSM2_EPID_UNREACHABLE;
break;
}
psmi_assert_always(array_of_epaddr[i] != NULL);
c = array_of_epaddr[i]->ptlctl;
psmi_assert_always(c != NULL);
_HFI_VDBG("%-20s DEVICE %s (%p)\n",
psmi_epaddr_get_name(array_of_epid[i]),
c == &ep->ptl_ips ? "hfi" :
(c == &ep->ptl_amsh ? "amsh" : "self"),
(void *)array_of_epaddr[i]->ptlctl->ptl);
}
connect_fail:
/* If the error is a timeout (at worse) and the client is OPA MPI,
* just return timeout to let OPA MPI handle the hostnames that
* timed out */
if (err != PSM2_OK) {
char errbuf[PSM2_ERRSTRING_MAXLEN];
size_t len;
int j = 0;
if (err == PSM2_EPID_UNREACHABLE) {
char *deverr = "of an incorrect setting";
char *eperr = " ";
char *devname = NULL;
if (!psmi_ep_device_is_enabled(ep, PTL_DEVID_AMSH)) {
deverr =
"there is no shared memory PSM device (shm)";
eperr = " shared memory ";
} else
if (!psmi_ep_device_is_enabled(ep, PTL_DEVID_IPS)) {
deverr =
"there is no OPA PSM device (hfi)";
eperr = " OPA ";
}
len = snprintf(errbuf, sizeof(errbuf) - 1,
"Some%sendpoints could not be connected because %s "
"in the currently enabled PSM_DEVICES (",
eperr, deverr);
for (i = 0; i < PTL_MAX_INIT && len < sizeof(errbuf) - 1;
i++) {
switch (ep->devid_enabled[i]) {
case PTL_DEVID_IPS:
devname = "hfi";
break;
case PTL_DEVID_AMSH:
devname = "shm";
break;
case PTL_DEVID_SELF:
default:
devname = "self";
break;
}
len +=
snprintf(errbuf + len,
sizeof(errbuf) - len - 1, "%s,",
devname);
}
if (len < sizeof(errbuf) - 1 && devname != NULL)
/* parsed something, remove trailing comma */
errbuf[len - 1] = ')';
} else
len = snprintf(errbuf, sizeof(errbuf) - 1,
"%s", err == PSM2_TIMEOUT ?
"Dectected connection timeout" :
psm2_error_get_string(err));
/* first pass, look for all nodes with the error */
for (i = 0; i < num_of_epid && len < sizeof(errbuf) - 1; i++) {
if (array_of_epid_mask != NULL
&& !array_of_epid_mask[i])
continue;
if (array_of_errors[i] == PSM2_OK)
continue;
if (array_of_errors[i] == PSM2_EPID_UNREACHABLE &&
err != PSM2_EPID_UNREACHABLE)
continue;
if (err == array_of_errors[i]) {
len +=
snprintf(errbuf + len,
sizeof(errbuf) - len - 1, "%c %s",
j == 0 ? ':' : ',',
psmi_epaddr_get_hostname
(array_of_epid[i]));
j++;
}
}
errbuf[sizeof(errbuf) - 1] = '\0';
err = psmi_handle_error(ep, err, errbuf);
}
fail:
PSMI_PUNLOCK();
if (epid_mask != NULL)
psmi_free(epid_mask);
if (epid_mask_isdupof != NULL)
psmi_free(epid_mask_isdupof);
PSM2_LOG_MSG("leaving");
return err;
}
psm_error_t __psm_ep_close(psm_ep_t ep, int mode, int64_t timeout_in)
{
psm_error_t err = PSM_OK;
uint64_t t_start = get_cycles();
union psmi_envvar_val timeout_intval;
psm_ep_t tmp, mep;
PSMI_ERR_UNLESS_INITIALIZED(ep);
psmi_assert_always(ep->mctxt_master == ep);
PSMI_PLOCK();
if (psmi_opened_endpoint == NULL) {
err = psmi_handle_error(NULL, PSM_EP_WAS_CLOSED,
"PSM Endpoint is closed or does not exist");
return err;
}
tmp = psmi_opened_endpoint;
while (tmp && tmp != ep) {
tmp = tmp->user_ep_next;
}
if (!tmp) {
err = psmi_handle_error(NULL, PSM_EP_WAS_CLOSED,
"PSM Endpoint is closed or does not exist");
return err;
}
psmi_getenv("PSM_CLOSE_TIMEOUT",
"End-point close timeout over-ride.",
PSMI_ENVVAR_LEVEL_USER, PSMI_ENVVAR_TYPE_UINT,
(union psmi_envvar_val)0, &timeout_intval);
if (getenv("PSM_CLOSE_TIMEOUT")) {
timeout_in = timeout_intval.e_uint * SEC_ULL;
} else if (timeout_in > 0) {
/* The timeout parameter provides the minimum timeout. A heuristic
* is used to scale up the timeout linearly with the number of
* endpoints, and we allow one second per 100 endpoints. */
timeout_in = max(timeout_in, (ep->connections * SEC_ULL) / 100);
}
if (timeout_in > 0 && timeout_in < PSMI_MIN_EP_CLOSE_TIMEOUT)
timeout_in = PSMI_MIN_EP_CLOSE_TIMEOUT;
/* Infinite and excessive close time-out are limited here to a max.
* The "rationale" is that there is no point waiting around forever for
* graceful termination. Normal (or forced) process termination should clean
* up the context state correctly even if termination is not graceful. */
if (timeout_in <= 0 || timeout_in < PSMI_MAX_EP_CLOSE_TIMEOUT)
timeout_in = PSMI_MAX_EP_CLOSE_TIMEOUT;
_HFI_PRDBG("Closing endpoint %p with force=%s and to=%.2f seconds and "
"%d connections\n",
ep, mode == PSM_EP_CLOSE_FORCE ? "YES" : "NO",
(double)timeout_in / 1e9, (int)ep->connections);
/* XXX We currently cheat in the sense that we leave each PTL the allowed
* timeout. There's no good way to do this until we change the PTL
* interface to allow asynchronous finalization
*/
mep = ep;
tmp = ep->mctxt_prev;
do {
ep = tmp;
tmp = ep->mctxt_prev;
PSM_MCTXT_REMOVE(ep);
if (psmi_ep_device_is_enabled(ep, PTL_DEVID_AMSH))
err =
psmi_ptl_amsh.fini(ep->ptl_amsh.ptl, mode,
timeout_in);
if ((err == PSM_OK || err == PSM_TIMEOUT) &&
psmi_ep_device_is_enabled(ep, PTL_DEVID_IPS))
err =
psmi_ptl_ips.fini(ep->ptl_ips.ptl, mode,
timeout_in);
/* If there's timeouts in the disconnect requests,
* still make sure that we still get to close the
*endpoint and mark it closed */
if (psmi_ep_device_is_enabled(ep, PTL_DEVID_IPS))
psmi_context_close(&ep->context);
psmi_free(ep->epaddr);
psmi_free(ep->context_mylabel);
/*
* Before freeing the master ep itself,
* remove it from the global linklist.
* We do it here to let atexit handler in ptl_am directory
* to search the global linklist and free the shared memory file.
*/
if (ep == mep) {
if (psmi_opened_endpoint == ep) {
psmi_opened_endpoint = ep->user_ep_next;
} else {
tmp = psmi_opened_endpoint;
while (tmp->user_ep_next != ep) {
tmp = tmp->user_ep_next;
}
tmp->user_ep_next = ep->user_ep_next;
}
psmi_opened_endpoint_count--;
}
psmi_free(ep);
} while ((err == PSM_OK || err == PSM_TIMEOUT) && tmp != ep);
PSMI_PUNLOCK();
_HFI_PRDBG("Closed endpoint in %.3f secs\n",
(double)cycles_to_nanosecs(get_cycles() -
t_start) / SEC_ULL);
return err;
}
psm_error_t
__psm_ep_open_internal(psm_uuid_t const unique_job_key, int *devid_enabled,
struct psm_ep_open_opts const *opts_i, psm_mq_t mq,
psm_ep_t *epo, psm_epid_t *epido)
{
psm_ep_t ep = NULL;
uint32_t num_units;
size_t len;
psm_error_t err;
psm_epaddr_t epaddr = NULL;
char buf[128], *p, *e;
union psmi_envvar_val envvar_val;
size_t ptl_sizes;
struct psm_ep_open_opts opts;
ptl_t *amsh_ptl, *ips_ptl, *self_ptl;
int i;
/* First get the set of default options, we overwrite with the user's
* desired values afterwards */
if ((err = psm_ep_open_opts_get_defaults(&opts)))
goto fail;
if (opts_i != NULL) {
if (opts_i->timeout != -1)
opts.timeout = opts_i->timeout;
if (opts_i->unit != -1)
opts.unit = opts_i->unit;
if (opts_i->affinity != -1)
opts.affinity = opts_i->affinity;
if (opts_i->sendbufs_num != -1)
opts.sendbufs_num = opts_i->sendbufs_num;
if (opts_i->network_pkey != HFI_DEFAULT_P_KEY)
opts.network_pkey = opts_i->network_pkey;
if (opts_i->port != 0)
opts.port = opts_i->port;
if (opts_i->outsl != -1)
opts.outsl = opts_i->outsl;
if (opts_i->service_id)
opts.service_id = (uint64_t) opts_i->service_id;
if (opts_i->path_res_type != PSM_PATH_RES_NONE)
opts.path_res_type = opts_i->path_res_type;
if (opts_i->senddesc_num)
opts.senddesc_num = opts_i->senddesc_num;
if (opts_i->imm_size)
opts.imm_size = opts_i->imm_size;
}
/* Get Service ID from environment */
if (!psmi_getenv("PSM_IB_SERVICE_ID",
"HFI Service ID for path resolution",
PSMI_ENVVAR_LEVEL_USER,
PSMI_ENVVAR_TYPE_ULONG_ULONG,
(union psmi_envvar_val)HFI_DEFAULT_SERVICE_ID,
&envvar_val)) {
opts.service_id = (uint64_t) envvar_val.e_ulonglong;
}
/* Get Path resolution type from environment Possible choices are:
*
* NONE : Default same as previous instances. Utilizes static data.
* OPP : Use OFED Plus Plus library to do path record queries.
* UMAD : Use raw libibumad interface to form and process path records.
*/
if (!psmi_getenv("PSM_PATH_REC",
"Mechanism to query HFI path record (default is no path query)",
PSMI_ENVVAR_LEVEL_USER, PSMI_ENVVAR_TYPE_STR,
(union psmi_envvar_val)"none", &envvar_val)) {
if (!strcasecmp(envvar_val.e_str, "none"))
opts.path_res_type = PSM_PATH_RES_NONE;
else if (!strcasecmp(envvar_val.e_str, "opp"))
opts.path_res_type = PSM_PATH_RES_OPP;
else if (!strcasecmp(envvar_val.e_str, "umad"))
opts.path_res_type = PSM_PATH_RES_UMAD;
else {
_HFI_ERROR("Unknown path resolution type %s. "
"Disabling use of path record query.\n",
envvar_val.e_str);
opts.path_res_type = PSM_PATH_RES_NONE;
}
}
/* If a specific unit is set in the environment, use that one. */
if (!psmi_getenv("HFI_UNIT", "Device Unit number (-1 autodetects)",
PSMI_ENVVAR_LEVEL_USER, PSMI_ENVVAR_TYPE_LONG,
(union psmi_envvar_val)HFI_UNIT_ID_ANY, &envvar_val)) {
opts.unit = envvar_val.e_long;
}
/* Get user specified port number to use. */
if (!psmi_getenv("HFI_PORT", "IB Port number (0 autodetects)",
PSMI_ENVVAR_LEVEL_USER, PSMI_ENVVAR_TYPE_LONG,
(union psmi_envvar_val)HFI_PORT_NUM_ANY,
&envvar_val)) {
opts.port = envvar_val.e_long;
}
/* Get service level from environment, path-query overrides it */
if (!psmi_getenv
("HFI_SL", "HFI outging ServiceLevel number (default 0)",
PSMI_ENVVAR_LEVEL_USER, PSMI_ENVVAR_TYPE_LONG,
(union psmi_envvar_val)PSMI_SL_DEFAULT, &envvar_val)) {
opts.outsl = envvar_val.e_long;
}
/* Get network key from environment. MVAPICH and other vendor MPIs do not
* specify it on ep open and we may require it for vFabrics.
* path-query will override it.
*/
if (!psmi_getenv("PSM_PKEY",
"HFI PKey to use for endpoint",
PSMI_ENVVAR_LEVEL_USER,
PSMI_ENVVAR_TYPE_ULONG,
(union psmi_envvar_val)HFI_DEFAULT_P_KEY,
&envvar_val)) {
opts.network_pkey = (uint64_t) envvar_val.e_ulong;
}
/* BACKWARDS COMPATIBILITY: Open MPI likes to choose its own PKEY of
0x7FFF. That's no longer a valid default, so override it if the
client was compiled against PSM v1 */
if (PSMI_VERNO_GET_MAJOR(psmi_verno_client()) < 2 &&
opts.network_pkey == 0x7FFF) {
opts.network_pkey = HFI_DEFAULT_P_KEY;
}
/* Get number of default send buffers from environment */
if (!psmi_getenv("PSM_NUM_SEND_BUFFERS",
"Number of send buffers to allocate [1024]",
PSMI_ENVVAR_LEVEL_USER,
PSMI_ENVVAR_TYPE_UINT,
(union psmi_envvar_val)1024, &envvar_val)) {
opts.sendbufs_num = envvar_val.e_uint;
}
/* Get immediate data size - transfers less than immediate data size do
* not consume a send buffer and require just a send descriptor.
*/
if (!psmi_getenv("PSM_SEND_IMMEDIATE_SIZE",
"Immediate data send size not requiring a buffer [128]",
PSMI_ENVVAR_LEVEL_USER,
PSMI_ENVVAR_TYPE_UINT,
(union psmi_envvar_val)128, &envvar_val)) {
opts.imm_size = envvar_val.e_uint;
}
/* Get numner of send descriptors - by default this is 4 times the number
* of send buffers - mainly used for short/inlined messages.
*/
if (!psmi_getenv("PSM_NUM_SEND_DESCRIPTORS",
"Number of send descriptors to allocate [4096]",
PSMI_ENVVAR_LEVEL_USER,
PSMI_ENVVAR_TYPE_UINT,
(union psmi_envvar_val)4096, &envvar_val)) {
opts.senddesc_num = envvar_val.e_uint;
}
if (psmi_device_is_enabled(devid_enabled, PTL_DEVID_IPS)) {
if ((err = psm_ep_num_devunits(&num_units)) != PSM_OK)
goto fail;
} else
num_units = 0;
/* do some error checking */
if (opts.timeout < -1) {
err = psmi_handle_error(NULL, PSM_PARAM_ERR,
"Invalid timeout value %lld",
(long long)opts.timeout);
goto fail;
} else if (num_units && (opts.unit < -1 || opts.unit >= (int)num_units)) {
err = psmi_handle_error(NULL, PSM_PARAM_ERR,
"Invalid Device Unit ID %d (%d units found)",
opts.unit, num_units);
goto fail;
} else if (opts.port < 0 || opts.port > HFI_MAX_PORT) {
err = psmi_handle_error(NULL, PSM_PARAM_ERR,
"Invalid Device port number %d",
opts.port);
goto fail;
} else if (opts.affinity < 0
|| opts.affinity > PSM_EP_OPEN_AFFINITY_FORCE) {
err =
psmi_handle_error(NULL, PSM_PARAM_ERR,
"Invalid Affinity option: %d",
opts.affinity);
goto fail;
} else if (opts.outsl < PSMI_SL_MIN || opts.outsl > PSMI_SL_MAX) {
err = psmi_handle_error(NULL, PSM_PARAM_ERR,
"Invalid SL number: %lld",
(unsigned long long)opts.outsl);
goto fail;
}
/* Set environment variable if PSM is not allowed to set affinity */
if (opts.affinity == PSM_EP_OPEN_AFFINITY_SKIP)
setenv("HFI_NO_CPUAFFINITY", "1", 1);
/* Allocate end point structure storage */
ptl_sizes =
(psmi_device_is_enabled(devid_enabled, PTL_DEVID_SELF) ?
psmi_ptl_self.sizeof_ptl() : 0) +
(psmi_device_is_enabled(devid_enabled, PTL_DEVID_IPS) ?
psmi_ptl_ips.sizeof_ptl() : 0) +
(psmi_device_is_enabled(devid_enabled, PTL_DEVID_AMSH) ?
psmi_ptl_amsh.sizeof_ptl() : 0);
if (ptl_sizes == 0)
return PSM_EP_NO_DEVICE;
ep = (psm_ep_t) psmi_memalign(PSMI_EP_NONE, UNDEFINED, 64,
sizeof(struct psm_ep) + ptl_sizes);
epaddr = (psm_epaddr_t) psmi_calloc(PSMI_EP_NONE, PER_PEER_ENDPOINT,
1, sizeof(struct psm_epaddr));
if (ep == NULL || epaddr == NULL) {
err = psmi_handle_error(NULL, PSM_NO_MEMORY,
"Couldn't allocate memory for %s structure",
ep == NULL ? "psm_ep" : "psm_epaddr");
goto fail;
}
/* Copy PTL enabled status */
for (i = 0; i < PTL_MAX_INIT; i++)
ep->devid_enabled[i] = devid_enabled[i];
/* Matched Queue initialization. We do this early because we have to
* make sure ep->mq exists and is valid before calling ips_do_work.
*/
ep->mq = mq;
/* Get ready for PTL initialization */
memcpy(&ep->uuid, (void *)unique_job_key, sizeof(psm_uuid_t));
ep->epaddr = epaddr;
ep->memmode = mq->memmode;
ep->hfi_num_sendbufs = opts.sendbufs_num;
ep->service_id = opts.service_id;
ep->path_res_type = opts.path_res_type;
ep->hfi_num_descriptors = opts.senddesc_num;
ep->hfi_imm_size = opts.imm_size;
ep->errh = psmi_errhandler_global; /* by default use the global one */
ep->ptl_amsh.ep_poll = psmi_poll_noop;
ep->ptl_ips.ep_poll = psmi_poll_noop;
ep->connections = 0;
/* See how many iterations we want to spin before yielding */
psmi_getenv("PSM_YIELD_SPIN_COUNT",
"Spin poll iterations before yield",
PSMI_ENVVAR_LEVEL_HIDDEN,
PSMI_ENVVAR_TYPE_UINT,
(union psmi_envvar_val)PSMI_BLOCKUNTIL_POLLS_BEFORE_YIELD,
&envvar_val);
ep->yield_spin_cnt = envvar_val.e_uint;
ptl_sizes = 0;
amsh_ptl = ips_ptl = self_ptl = NULL;
if (psmi_ep_device_is_enabled(ep, PTL_DEVID_AMSH)) {
amsh_ptl = (ptl_t *) (ep->ptl_base_data + ptl_sizes);
ptl_sizes += psmi_ptl_amsh.sizeof_ptl();
}
if (psmi_ep_device_is_enabled(ep, PTL_DEVID_IPS)) {
ips_ptl = (ptl_t *) (ep->ptl_base_data + ptl_sizes);
ptl_sizes += psmi_ptl_ips.sizeof_ptl();
}
if (psmi_ep_device_is_enabled(ep, PTL_DEVID_SELF)) {
self_ptl = (ptl_t *) (ep->ptl_base_data + ptl_sizes);
ptl_sizes += psmi_ptl_self.sizeof_ptl();
}
if ((err = psmi_ep_open_device(ep, &opts, unique_job_key,
&(ep->context), &ep->epid)))
goto fail;
psmi_assert_always(ep->epid != 0);
ep->epaddr->epid = ep->epid;
_HFI_VDBG("psmi_ep_open_device() passed\n");
/* Set our new label as soon as we know what it is */
strncpy(buf, psmi_gethostname(), sizeof(buf) - 1);
buf[sizeof(buf) - 1] = '\0';
p = buf + strlen(buf);
/* If our rank is set, use it. If not, use context.subcontext notation */
if (((e = getenv("MPI_RANKID")) != NULL && *e) ||
((e = getenv("PSC_MPI_RANK")) != NULL && *e))
len = snprintf(p, sizeof(buf) - strlen(buf), ":%d.", atoi(e));
else
len = snprintf(p, sizeof(buf) - strlen(buf), ":%d.%d.",
(uint32_t) psm_epid_context(ep->epid),
(uint32_t) psmi_epid_subcontext(ep->epid));
*(p + len) = '\0';
ep->context_mylabel = psmi_strdup(ep, buf);
if (ep->context_mylabel == NULL) {
err = PSM_NO_MEMORY;
goto fail;
}
/* hfi_set_mylabel(ep->context_mylabel); */
if ((err = psmi_epid_set_hostname(psm_epid_nid(ep->epid), buf, 0)))
goto fail;
_HFI_VDBG("start ptl device init...\n");
if (psmi_ep_device_is_enabled(ep, PTL_DEVID_SELF)) {
if ((err = psmi_ptl_self.init(ep, self_ptl, &ep->ptl_self)))
goto fail;
}
if (psmi_ep_device_is_enabled(ep, PTL_DEVID_IPS)) {
if ((err = psmi_ptl_ips.init(ep, ips_ptl, &ep->ptl_ips)))
goto fail;
}
/* If we're shm-only, this device is enabled above */
if (psmi_ep_device_is_enabled(ep, PTL_DEVID_AMSH)) {
if ((err = psmi_ptl_amsh.init(ep, amsh_ptl, &ep->ptl_amsh)))
goto fail;
} else {
/* We may have pre-attached as part of getting our rank for enabling
* shared contexts. */
}
_HFI_VDBG("finish ptl device init...\n");
/*
* Keep only IPS since only IPS support multi-rail, other devices
* are only setup once. IPS device can come to this function again.
*/
for (i = 0; i < PTL_MAX_INIT; i++) {
if (devid_enabled[i] != PTL_DEVID_IPS) {
devid_enabled[i] = -1;
}
}
*epido = ep->epid;
*epo = ep;
return PSM_OK;
fail:
if (ep != NULL) {
if (ep->context.fd != -1)
close(ep->context.fd);
psmi_free(ep);
}
if (epaddr != NULL)
psmi_free(epaddr);
return err;
}
