int psmx2_fabric(struct fi_fabric_attr *attr,
struct fid_fabric **fabric, void *context)
{
struct psmx2_fid_fabric *fabric_priv;
int ret;
FI_INFO(&psmx2_prov, FI_LOG_CORE, "\n");
if (strcmp(attr->name, PSMX2_FABRIC_NAME))
return -FI_ENODATA;
if (psmx2_active_fabric) {
psmx2_fabric_acquire(psmx2_active_fabric);
*fabric = &psmx2_active_fabric->util_fabric.fabric_fid;
return 0;
}
fabric_priv = calloc(1, sizeof(*fabric_priv));
if (!fabric_priv)
return -FI_ENOMEM;
fastlock_init(&fabric_priv->domain_lock);
dlist_init(&fabric_priv->domain_list);
psmx2_get_uuid(fabric_priv->uuid);
if (psmx2_env.name_server) {
fabric_priv->name_server.port = psmx2_uuid_to_port(fabric_priv->uuid);
fabric_priv->name_server.name_len = sizeof(struct psmx2_ep_name);
fabric_priv->name_server.service_len = sizeof(int);
fabric_priv->name_server.service_cmp = psmx2_ns_service_cmp;
fabric_priv->name_server.is_service_wildcard = psmx2_ns_is_service_wildcard;
ofi_ns_init(&fabric_priv->name_server);
ofi_ns_start_server(&fabric_priv->name_server);
}
ret = ofi_fabric_init(&psmx2_prov, &psmx2_fabric_attr, attr,
&fabric_priv->util_fabric, context);
if (ret) {
FI_INFO(&psmx2_prov, FI_LOG_CORE, "ofi_fabric_init returns %d\n", ret);
if (psmx2_env.name_server)
ofi_ns_stop_server(&fabric_priv->name_server);
free(fabric_priv);
return ret;
}
/* fclass & context initialized in ofi_fabric_init */
fabric_priv->util_fabric.fabric_fid.fid.ops = &psmx2_fabric_fi_ops;
fabric_priv->util_fabric.fabric_fid.ops = &psmx2_fabric_ops;
psmx2_atomic_global_init();
psmx2_query_mpi();
/* take the reference to count for multiple fabric open calls */
psmx2_fabric_acquire(fabric_priv);
*fabric = &fabric_priv->util_fabric.fabric_fid;
psmx2_active_fabric = fabric_priv;
return 0;
}
static int psmx_getinfo(uint32_t version, const char *node, const char *service,
uint64_t flags, const struct fi_info *hints,
struct fi_info **info)
{
struct fi_info *psmx_info;
uint32_t cnt = 0;
psm_epid_t *dest_addr = NULL;
struct psmx_src_name *src_addr = NULL;
int ep_type = FI_EP_RDM;
int av_type = FI_AV_UNSPEC;
uint64_t mode = FI_CONTEXT;
enum fi_mr_mode mr_mode = FI_MR_SCALABLE;
enum fi_threading threading = FI_THREAD_COMPLETION;
enum fi_progress control_progress = FI_PROGRESS_MANUAL;
enum fi_progress data_progress = FI_PROGRESS_MANUAL;
int caps = 0;
uint64_t max_tag_value = 0;
int err = -FI_ENODATA;
int svc0, svc = PSMX_ANY_SERVICE;
FI_INFO(&psmx_prov, FI_LOG_CORE,"\n");
*info = NULL;
/* Perform some quick check first to avoid unnecessary operations */
if (hints) {
if (hints->fabric_attr && hints->fabric_attr->name &&
strcasecmp(hints->fabric_attr->name, PSMX_FABRIC_NAME)) {
FI_INFO(&psmx_prov, FI_LOG_CORE,
"hints->fabric_name=%s, supported=%s\n",
hints->fabric_attr->name, PSMX_FABRIC_NAME);
goto err_out;
}
if (hints->domain_attr && hints->domain_attr->name &&
strcasecmp(hints->domain_attr->name, PSMX_DOMAIN_NAME)) {
FI_INFO(&psmx_prov, FI_LOG_CORE,
"hints->domain_name=%s, supported=%s\n",
hints->domain_attr->name, PSMX_DOMAIN_NAME);
goto err_out;
}
if (hints->ep_attr) {
switch (hints->ep_attr->type) {
case FI_EP_UNSPEC:
case FI_EP_DGRAM:
case FI_EP_RDM:
break;
default:
FI_INFO(&psmx_prov, FI_LOG_CORE,
"hints->ep_attr->type=%d, supported=%d,%d,%d.\n",
hints->ep_attr->type, FI_EP_UNSPEC,
FI_EP_DGRAM, FI_EP_RDM);
goto err_out;
}
}
if ((hints->caps & PSMX_CAPS) != hints->caps &&
(hints->caps & PSMX_CAPS2) != hints->caps) {
uint64_t psmx_caps = PSMX_CAPS;
uint64_t psmx_caps2 = PSMX_CAPS2;
PSMX_INFO_DIFF("hints->caps", hints->caps, psmx_caps,
FI_TYPE_CAPS);
PSMX_INFO_DIFF("alternatively, hints->caps",
hints->caps, psmx_caps2, FI_TYPE_CAPS);
goto err_out;
}
}
if (FI_VERSION_GE(version, FI_VERSION(1,5)))
mr_mode = 0;
if (psmx_init_lib())
return -FI_ENODATA;
if (psmx_compat_lib) {
/*
* native PSM running over TrueScale doesn't have the issue handled
* here. it's only present when PSM is supported via the psm2-compat
* library, where the PSM functions are just wrappers around the PSM2
* counterparts.
*
* psm2_ep_num_devunits() may wait for 15 seconds before return
* when /dev/hfi1_0 is not present. Check the existence of any hfi1
* device interface first to avoid this delay. Note that the devices
* don't necessarily appear consecutively so we need to check all
* possible device names before returning "no device found" error.
* This also means if "/dev/hfi1_0" doesn't exist but other devices
* exist, we are still going to see the delay; but that's a rare case.
*/
glob_t glob_buf;
if ((glob("/dev/hfi1_[0-9]", 0, NULL, &glob_buf) != 0) &&
(glob("/dev/hfi1_[0-9][0-9]", GLOB_APPEND, NULL, &glob_buf) != 0)) {
FI_INFO(&psmx_prov, FI_LOG_CORE,
"no hfi1 device is found.\n");
return -FI_ENODATA;
}
globfree(&glob_buf);
}
if (psm_ep_num_devunits(&cnt) || !cnt) {
FI_INFO(&psmx_prov, FI_LOG_CORE,
"no PSM device is found.\n");
return -FI_ENODATA;
}
src_addr = calloc(1, sizeof(*src_addr));
if (!src_addr) {
FI_INFO(&psmx_prov, FI_LOG_CORE,
"failed to allocate src addr.\n");
return -FI_ENODATA;
}
src_addr->signature = 0xFFFF;
src_addr->unit = PSMX_DEFAULT_UNIT;
src_addr->port = PSMX_DEFAULT_PORT;
src_addr->service = PSMX_ANY_SERVICE;
if (flags & FI_SOURCE) {
if (node)
sscanf(node, "%*[^:]:%" SCNi8 ":%" SCNu8, &src_addr->unit, &src_addr->port);
if (service)
sscanf(service, "%" SCNu32, &src_addr->service);
FI_INFO(&psmx_prov, FI_LOG_CORE,
"node '%s' service '%s' converted to <unit=%d, port=%d, service=%d>\n",
node, service, src_addr->unit, src_addr->port, src_addr->service);
} else if (node) {
psm_uuid_t uuid;
psmx_get_uuid(uuid);
struct util_ns ns = {
.port = psmx_uuid_to_port(uuid),
.name_len = sizeof(*dest_addr),
.service_len = sizeof(svc),
.service_cmp = psmx_ns_service_cmp,
.is_service_wildcard = psmx_ns_is_service_wildcard,
};
ofi_ns_init(&ns);
if (service)
svc = atoi(service);
svc0 = svc;
dest_addr = (psm_epid_t *)ofi_ns_resolve_name(&ns, node, &svc);
if (dest_addr) {
FI_INFO(&psmx_prov, FI_LOG_CORE,
"'%s:%u' resolved to <epid=%"PRIu64">:%u\n",
node, svc0, *dest_addr, svc);
} else {
FI_INFO(&psmx_prov, FI_LOG_CORE,
"failed to resolve '%s:%u'.\n", node, svc);
err = -FI_ENODATA;
goto err_out;
}
}
if (hints) {
switch (hints->addr_format) {
case FI_FORMAT_UNSPEC:
case FI_ADDR_PSMX:
break;
default:
FI_INFO(&psmx_prov, FI_LOG_CORE,
"hints->addr_format=%d, supported=%d,%d.\n",
hints->addr_format, FI_FORMAT_UNSPEC, FI_ADDR_PSMX);
goto err_out;
}
if (hints->ep_attr) {
switch (hints->ep_attr->protocol) {
case FI_PROTO_UNSPEC:
case FI_PROTO_PSMX:
break;
default:
FI_INFO(&psmx_prov, FI_LOG_CORE,
"hints->protocol=%d, supported=%d %d\n",
hints->ep_attr->protocol,
FI_PROTO_UNSPEC, FI_PROTO_PSMX);
goto err_out;
}
if (hints->ep_attr->tx_ctx_cnt > 1 &&
hints->ep_attr->tx_ctx_cnt != FI_SHARED_CONTEXT) {
FI_INFO(&psmx_prov, FI_LOG_CORE,
"hints->ep_attr->tx_ctx_cnt=%"PRIu64", supported=0,1\n",
hints->ep_attr->tx_ctx_cnt);
goto err_out;
}
if (hints->ep_attr->rx_ctx_cnt > 1) {
FI_INFO(&psmx_prov, FI_LOG_CORE,
"hints->ep_attr->rx_ctx_cnt=%"PRIu64", supported=0,1\n",
hints->ep_attr->rx_ctx_cnt);
goto err_out;
}
}
if (hints->tx_attr) {
if ((hints->tx_attr->op_flags & PSMX_OP_FLAGS) !=
hints->tx_attr->op_flags) {
uint64_t psmx_op_flags = PSMX_OP_FLAGS;
PSMX_INFO_DIFF("hints->tx_attr->of_flags",
hints->tx_attr->op_flags,
psmx_op_flags, FI_TYPE_OP_FLAGS);
goto err_out;
}
if (hints->tx_attr->inject_size > PSMX_INJECT_SIZE) {
FI_INFO(&psmx_prov, FI_LOG_CORE,
"hints->tx_attr->inject_size=%"PRIu64","
"supported=%d.\n",
hints->tx_attr->inject_size,
PSMX_INJECT_SIZE);
goto err_out;
}
}
if (hints->rx_attr &&
(hints->rx_attr->op_flags & PSMX_OP_FLAGS) !=
hints->rx_attr->op_flags) {
uint64_t psmx_op_flags = PSMX_OP_FLAGS;
PSMX_INFO_DIFF("hints->rx_attr->of_flags",
hints->rx_attr->op_flags,
psmx_op_flags, FI_TYPE_OP_FLAGS);
goto err_out;
}
if ((hints->caps & FI_TAGGED) ||
((hints->caps & FI_MSG) && !psmx_env.am_msg)) {
if ((hints->mode & FI_CONTEXT) != FI_CONTEXT) {
uint64_t psmx_mode = FI_CONTEXT;
PSMX_INFO_DIFF("hints->mode", hints->mode,
psmx_mode, FI_TYPE_MODE);
goto err_out;
}
} else {
mode = 0;
}
if (hints->domain_attr) {
switch (hints->domain_attr->av_type) {
case FI_AV_UNSPEC:
case FI_AV_MAP:
case FI_AV_TABLE:
av_type = hints->domain_attr->av_type;
break;
default:
FI_INFO(&psmx_prov, FI_LOG_CORE,
"hints->domain_attr->av_type=%d, supported=%d %d %d\n",
hints->domain_attr->av_type, FI_AV_UNSPEC, FI_AV_MAP,
FI_AV_TABLE);
goto err_out;
}
if (hints->domain_attr->mr_mode == FI_MR_BASIC) {
mr_mode = FI_MR_BASIC;
} else if (hints->domain_attr->mr_mode == FI_MR_SCALABLE) {
mr_mode = FI_MR_SCALABLE;
} else if (hints->domain_attr->mr_mode & (FI_MR_BASIC | FI_MR_SCALABLE)) {
FI_INFO(&psmx_prov, FI_LOG_CORE,
"hints->domain_attr->mr_mode has FI_MR_BASIC or FI_MR_SCALABLE "
"combined with other bits\n");
goto err_out;
}
switch (hints->domain_attr->threading) {
case FI_THREAD_UNSPEC:
break;
case FI_THREAD_FID:
case FI_THREAD_ENDPOINT:
case FI_THREAD_COMPLETION:
case FI_THREAD_DOMAIN:
threading = hints->domain_attr->threading;
break;
default:
FI_INFO(&psmx_prov, FI_LOG_CORE,
"hints->domain_attr->threading=%d, supported=%d %d %d %d %d\n",
hints->domain_attr->threading, FI_THREAD_UNSPEC,
FI_THREAD_FID, FI_THREAD_ENDPOINT, FI_THREAD_COMPLETION,
FI_THREAD_DOMAIN);
goto err_out;
}
switch (hints->domain_attr->control_progress) {
case FI_PROGRESS_UNSPEC:
break;
case FI_PROGRESS_MANUAL:
case FI_PROGRESS_AUTO:
control_progress = hints->domain_attr->control_progress;
break;
default:
FI_INFO(&psmx_prov, FI_LOG_CORE,
"hints->domain_attr->control_progress=%d, supported=%d %d %d\n",
hints->domain_attr->control_progress, FI_PROGRESS_UNSPEC,
FI_PROGRESS_MANUAL, FI_PROGRESS_AUTO);
goto err_out;
}
switch (hints->domain_attr->data_progress) {
case FI_PROGRESS_UNSPEC:
break;
case FI_PROGRESS_MANUAL:
case FI_PROGRESS_AUTO:
data_progress = hints->domain_attr->data_progress;
break;
default:
FI_INFO(&psmx_prov, FI_LOG_CORE,
"hints->domain_attr->data_progress=%d, supported=%d %d %d\n",
hints->domain_attr->data_progress, FI_PROGRESS_UNSPEC,
FI_PROGRESS_MANUAL, FI_PROGRESS_AUTO);
goto err_out;
}
if (hints->domain_attr->caps & FI_SHARED_AV) {
FI_INFO(&psmx_prov, FI_LOG_CORE,
"hints->domain_attr->caps=%lx, shared AV is unsupported\n",
hints->domain_attr->caps);
goto err_out;
}
}
if (hints->ep_attr) {
if (hints->ep_attr->max_msg_size > PSMX_MAX_MSG_SIZE) {
FI_INFO(&psmx_prov, FI_LOG_CORE,
"hints->ep_attr->max_msg_size=%"PRIu64","
"supported=%llu.\n",
hints->ep_attr->max_msg_size,
PSMX_MAX_MSG_SIZE);
goto err_out;
}
max_tag_value = ofi_max_tag(hints->ep_attr->mem_tag_format);
}
if (hints->tx_attr) {
if ((hints->tx_attr->msg_order & PSMX_MSG_ORDER) !=
hints->tx_attr->msg_order) {
uint64_t psmx_msg_order = PSMX_MSG_ORDER;
PSMX_INFO_DIFF("hints->tx_attr->msg_order",
hints->tx_attr->msg_order,
psmx_msg_order, FI_TYPE_MSG_ORDER);
goto err_out;
}
if ((hints->tx_attr->comp_order & PSMX_COMP_ORDER) !=
hints->tx_attr->comp_order) {
uint64_t psmx_comp_order = PSMX_COMP_ORDER;
PSMX_INFO_DIFF("hints->tx_attr->comp_order",
hints->tx_attr->comp_order,
psmx_comp_order, FI_TYPE_MSG_ORDER);
goto err_out;
}
if (hints->tx_attr->inject_size > PSMX_INJECT_SIZE) {
FI_INFO(&psmx_prov, FI_LOG_CORE,
"hints->tx_attr->inject_size=%ld,"
"supported=%d.\n",
hints->tx_attr->inject_size,
PSMX_INJECT_SIZE);
goto err_out;
}
if (hints->tx_attr->iov_limit > 1) {
FI_INFO(&psmx_prov, FI_LOG_CORE,
"hints->tx_attr->iov_limit=%ld,"
"supported=1.\n",
hints->tx_attr->iov_limit);
goto err_out;
}
if (hints->tx_attr->rma_iov_limit > 1) {
FI_INFO(&psmx_prov, FI_LOG_CORE,
"hints->tx_attr->rma_iov_limit=%ld,"
"supported=1.\n",
hints->tx_attr->rma_iov_limit);
goto err_out;
}
}
if (hints->rx_attr) {
if ((hints->rx_attr->msg_order & PSMX_MSG_ORDER) !=
hints->rx_attr->msg_order) {
uint64_t psmx_msg_order = PSMX_MSG_ORDER;
PSMX_INFO_DIFF("hints->rx_attr->msg_order",
hints->rx_attr->msg_order,
psmx_msg_order, FI_TYPE_MSG_ORDER);
goto err_out;
}
if ((hints->rx_attr->comp_order & PSMX_COMP_ORDER) !=
hints->rx_attr->comp_order) {
uint64_t psmx_comp_order = PSMX_COMP_ORDER;
PSMX_INFO_DIFF("hints->rx_attr->comp_order",
hints->rx_attr->comp_order,
psmx_comp_order, FI_TYPE_MSG_ORDER);
goto err_out;
}
if (hints->rx_attr->iov_limit > 1) {
FI_INFO(&psmx_prov, FI_LOG_CORE,
"hints->rx_attr->iov_limit=%ld,"
"supported=1.\n",
hints->rx_attr->iov_limit);
goto err_out;
}
}
caps = hints->caps;
/* TODO: check other fields of hints */
}
if (psmx_reserve_tag_bits(&caps, &max_tag_value) < 0)
goto err_out;
psmx_info = fi_allocinfo();
if (!psmx_info) {
err = -FI_ENOMEM;
goto err_out;
}
psmx_info->ep_attr->type = ep_type;
psmx_info->ep_attr->protocol = FI_PROTO_PSMX;
psmx_info->ep_attr->protocol_version = PSM_VERNO;
psmx_info->ep_attr->max_msg_size = PSMX_MAX_MSG_SIZE;
psmx_info->ep_attr->max_order_raw_size = PSMX_RMA_ORDER_SIZE;
psmx_info->ep_attr->max_order_war_size = PSMX_RMA_ORDER_SIZE;
psmx_info->ep_attr->max_order_waw_size = PSMX_RMA_ORDER_SIZE;
psmx_info->ep_attr->mem_tag_format = ofi_tag_format(max_tag_value);
psmx_info->ep_attr->tx_ctx_cnt = 1;
psmx_info->ep_attr->rx_ctx_cnt = 1;
psmx_info->domain_attr->threading = threading;
psmx_info->domain_attr->control_progress = control_progress;
psmx_info->domain_attr->data_progress = data_progress;
psmx_info->domain_attr->name = strdup(PSMX_DOMAIN_NAME);
psmx_info->domain_attr->resource_mgmt = FI_RM_ENABLED;
psmx_info->domain_attr->av_type = av_type;
psmx_info->domain_attr->mr_mode = mr_mode;
psmx_info->domain_attr->mr_key_size = sizeof(uint64_t);
psmx_info->domain_attr->cq_data_size = 4;
psmx_info->domain_attr->cq_cnt = 65535;
psmx_info->domain_attr->ep_cnt = 65535;
psmx_info->domain_attr->tx_ctx_cnt = 1;
psmx_info->domain_attr->rx_ctx_cnt = 1;
psmx_info->domain_attr->max_ep_tx_ctx = 1;
psmx_info->domain_attr->max_ep_rx_ctx = 1;
psmx_info->domain_attr->max_ep_stx_ctx = 65535;
psmx_info->domain_attr->max_ep_srx_ctx = 0;
psmx_info->domain_attr->cntr_cnt = 65535;
psmx_info->domain_attr->mr_iov_limit = 65535;
psmx_info->domain_attr->caps = PSMX_DOM_CAPS;
psmx_info->domain_attr->mode = 0;
psmx_info->domain_attr->mr_cnt = 65535;
psmx_info->next = NULL;
psmx_info->caps = (hints && hints->caps) ? hints->caps : caps;
psmx_info->mode = mode;
psmx_info->addr_format = FI_ADDR_PSMX;
psmx_info->src_addr = src_addr;
psmx_info->src_addrlen = sizeof(*src_addr);
psmx_info->dest_addr = dest_addr;
psmx_info->dest_addrlen = sizeof(*dest_addr);
psmx_info->fabric_attr->name = strdup(PSMX_FABRIC_NAME);
psmx_info->fabric_attr->prov_name = NULL;
psmx_info->fabric_attr->prov_version = PSMX_VERSION;
psmx_info->tx_attr->caps = psmx_info->caps;
psmx_info->tx_attr->mode = psmx_info->mode;
psmx_info->tx_attr->op_flags = (hints && hints->tx_attr && hints->tx_attr->op_flags)
? hints->tx_attr->op_flags : 0;
psmx_info->tx_attr->msg_order = PSMX_MSG_ORDER;
psmx_info->tx_attr->comp_order = PSMX_COMP_ORDER;
psmx_info->tx_attr->inject_size = PSMX_INJECT_SIZE;
psmx_info->tx_attr->size = UINT64_MAX;
psmx_info->tx_attr->iov_limit = 1;
psmx_info->tx_attr->rma_iov_limit = 1;
psmx_info->rx_attr->caps = psmx_info->caps;
psmx_info->rx_attr->mode = psmx_info->mode;
psmx_info->rx_attr->op_flags = (hints && hints->rx_attr && hints->rx_attr->op_flags)
? hints->rx_attr->op_flags : 0;
psmx_info->rx_attr->msg_order = PSMX_MSG_ORDER;
psmx_info->rx_attr->comp_order = PSMX_COMP_ORDER;
psmx_info->rx_attr->total_buffered_recv = ~(0ULL); /* that's how PSM handles it internally! */
psmx_info->rx_attr->size = UINT64_MAX;
psmx_info->rx_attr->iov_limit = 1;
*info = psmx_info;
return 0;
err_out:
free(dest_addr);
free(src_addr);
return err;
}
static void psmx_fini(void)
{
FI_INFO(&psmx_prov, FI_LOG_CORE, "\n");
if (! --psmx_init_count && psmx_lib_initialized) {
/* This function is called from a library destructor, which is called
* automatically when exit() is called. The call to psm_finalize()
* might cause deadlock if the applicaiton is terminated with Ctrl-C
* -- the application could be inside a PSM call, holding a lock that
* psm_finalize() tries to acquire. This can be avoided by only
* calling psm_finalize() when PSM is guaranteed to be unused.
*/
if (psmx_active_fabric) {
FI_INFO(&psmx_prov, FI_LOG_CORE,
"psmx_active_fabric != NULL, skip psm_finalize\n");
} else {
psm_finalize();
psmx_lib_initialized = 0;
}
}
}
