static inline int rxm_finish_rma(struct rxm_ep *rxm_ep, struct rxm_rma_buf *rma_buf,
uint64_t comp_flags)
{
int ret = rxm_cq_tx_comp_write(rxm_ep, comp_flags,
rma_buf->app_context, rma_buf->flags);
assert(((comp_flags & FI_WRITE) && !(comp_flags & FI_READ)) ||
((comp_flags & FI_READ) && !(comp_flags & FI_WRITE)));
if (comp_flags & FI_WRITE)
ofi_ep_wr_cntr_inc(&rxm_ep->util_ep);
else
ofi_ep_rd_cntr_inc(&rxm_ep->util_ep);
if (!(rma_buf->flags & FI_INJECT) && !rxm_ep->rxm_mr_local && rxm_ep->msg_mr_local) {
rxm_ep_msg_mr_closev(rma_buf->mr.mr, rma_buf->mr.count);
}
ofi_buf_free(rma_buf);
return ret;
}
static ssize_t rxm_ep_readv(struct fid_ep *ep_fid, const struct iovec *iov,
void **desc, size_t count, fi_addr_t src_addr,
uint64_t addr, uint64_t key, void *context)
{
struct rxm_ep *rxm_ep = container_of(ep_fid, struct rxm_ep,
util_ep.ep_fid.fid);
struct fi_rma_iov rma_iov = {
.addr = addr,
.len = ofi_total_iov_len(iov, count),
.key = key,
};
struct fi_msg_rma msg = {
.msg_iov = iov,
.desc = desc,
.iov_count = count,
.addr = src_addr,
.rma_iov = &rma_iov,
.rma_iov_count = 1,
.context = context,
.data = 0,
};
return rxm_ep_rma_common(rxm_ep, &msg, rxm_ep_tx_flags(rxm_ep), fi_readmsg, FI_READ);
}
static ssize_t rxm_ep_read(struct fid_ep *ep_fid, void *buf, size_t len,
void *desc, fi_addr_t src_addr, uint64_t addr,
uint64_t key, void *context)
{
struct iovec iov = {
.iov_base = (void*)buf,
.iov_len = len,
};
struct fi_rma_iov rma_iov = {
.addr = addr,
.len = len,
.key = key,
};
struct fi_msg_rma msg = {
.msg_iov = &iov,
.desc = &desc,
.iov_count = 1,
.addr = src_addr,
.rma_iov = &rma_iov,
.rma_iov_count = 1,
.context = context,
.data = 0,
};
struct rxm_ep *rxm_ep = container_of(ep_fid, struct rxm_ep,
util_ep.ep_fid.fid);
return rxm_ep_rma_common(rxm_ep, &msg, rxm_ep_tx_flags(rxm_ep), fi_readmsg, FI_READ);
}
static inline void
rxm_ep_format_rma_msg(struct rxm_rma_buf *rma_buf, const struct fi_msg_rma *orig_msg,
struct iovec *rxm_iov, struct fi_msg_rma *rxm_msg)
{
rxm_msg->context = rma_buf;
rxm_msg->addr = orig_msg->addr;
rxm_msg->data = orig_msg->data;
ofi_copy_from_iov(rma_buf->pkt.data, rma_buf->pkt.hdr.size,
orig_msg->msg_iov, orig_msg->iov_count, 0);
rxm_iov->iov_base = &rma_buf->pkt.data;
rxm_iov->iov_len = rma_buf->pkt.hdr.size;
rxm_msg->msg_iov = rxm_iov;
rxm_msg->desc = &rma_buf->hdr.desc;
rxm_msg->iov_count = 1;
rxm_msg->rma_iov = orig_msg->rma_iov;
rxm_msg->rma_iov_count = orig_msg->rma_iov_count;
}
static inline ssize_t
rxm_ep_rma_emulate_inject_msg(struct rxm_ep *rxm_ep, struct rxm_conn *rxm_conn, size_t total_size,
const struct fi_msg_rma *msg, uint64_t flags)
{
struct rxm_rma_buf *rma_buf;
ssize_t ret;
struct iovec rxm_msg_iov = { 0 };
struct fi_msg_rma rxm_rma_msg = { 0 };
assert(msg->rma_iov_count <= rxm_ep->rxm_info->tx_attr->rma_iov_limit);
ofi_ep_lock_acquire(&rxm_ep->util_ep);
rma_buf = rxm_rma_buf_alloc(rxm_ep);
if (OFI_UNLIKELY(!rma_buf)) {
FI_WARN(&rxm_prov, FI_LOG_EP_DATA,
"Ran out of buffers from RMA buffer pool\n");
ret = -FI_ENOMEM;
goto unlock;
}
rma_buf->pkt.hdr.size = total_size;
rma_buf->app_context = msg->context;
rma_buf->flags = flags;
rxm_ep_format_rma_msg(rma_buf, msg, &rxm_msg_iov, &rxm_rma_msg);
flags = (flags & ~FI_INJECT) | FI_COMPLETION;
ret = fi_writemsg(rxm_conn->msg_ep, &rxm_rma_msg, flags);
if (OFI_UNLIKELY(ret)) {
if (ret == -FI_EAGAIN)
rxm_ep_do_progress(&rxm_ep->util_ep);
ofi_buf_free(rma_buf);
}
unlock:
ofi_ep_lock_release(&rxm_ep->util_ep);
return ret;
}
static inline ssize_t
rxm_ep_rma_emulate_inject(struct rxm_ep *rxm_ep, struct rxm_conn *rxm_conn,
const void *buf, size_t len, uint64_t data,
fi_addr_t dest_addr, uint64_t addr, uint64_t key,
uint64_t flags)
{
struct fi_rma_iov rma_iov = {
.addr = addr,
.len = len,
.key = key,
};
struct iovec iov = {
.iov_base = (void*)buf,
.iov_len = len,
};
struct fi_msg_rma msg = {
.msg_iov = &iov,
.desc = NULL,
.iov_count = 1,
.addr = dest_addr,
.rma_iov = &rma_iov,
.rma_iov_count = 1,
.context = NULL,
.data = data,
};
return rxm_ep_rma_emulate_inject_msg(rxm_ep, rxm_conn, len, &msg, flags);
}
static inline ssize_t
rxm_ep_rma_inject_common(struct rxm_ep *rxm_ep, const struct fi_msg_rma *msg, uint64_t flags)
{
struct rxm_conn *rxm_conn;
size_t total_size = ofi_total_iov_len(msg->msg_iov, msg->iov_count);
ssize_t ret;
assert(total_size <= rxm_ep->rxm_info->tx_attr->inject_size);
ret = rxm_ep_prepare_tx(rxm_ep, msg->addr, &rxm_conn);
if (OFI_UNLIKELY(ret))
return ret;
if ((total_size <= rxm_ep->msg_info->tx_attr->inject_size) &&
!(flags & FI_COMPLETION) &&
(msg->iov_count == 1) && (msg->rma_iov_count == 1)) {
if (flags & FI_REMOTE_CQ_DATA) {
ret = fi_inject_writedata(rxm_conn->msg_ep,
msg->msg_iov->iov_base,
msg->msg_iov->iov_len, msg->data,
msg->addr, msg->rma_iov->addr,
msg->rma_iov->key);
} else {
ret = fi_inject_write(rxm_conn->msg_ep,
msg->msg_iov->iov_base,
msg->msg_iov->iov_len, msg->addr,
msg->rma_iov->addr,
msg->rma_iov->key);
}
if (OFI_LIKELY(!ret)) {
ofi_ep_wr_cntr_inc(&rxm_ep->util_ep);
} else {
FI_DBG(&rxm_prov, FI_LOG_EP_DATA,
"fi_inject_write* for MSG provider failed with ret - %"
PRId64"\n", ret);
if (OFI_LIKELY(ret == -FI_EAGAIN))
rxm_ep_progress(&rxm_ep->util_ep);
}
return ret;
} else {
return rxm_ep_rma_emulate_inject_msg(rxm_ep, rxm_conn, total_size, msg, flags);
}
}
static inline ssize_t
rxm_ep_generic_writemsg(struct fid_ep *ep_fid, const struct fi_msg_rma *msg,
uint64_t flags)
{
struct rxm_ep *rxm_ep =
container_of(ep_fid, struct rxm_ep, util_ep.ep_fid.fid);
if (flags & FI_INJECT)
return rxm_ep_rma_inject_common(rxm_ep, msg, flags);
else
return rxm_ep_rma_common(rxm_ep, msg, flags,
fi_writemsg, FI_WRITE);
}
static inline ssize_t
rxm_ep_writemsg(struct fid_ep *ep_fid, const struct fi_msg_rma *msg, uint64_t flags)
{
struct rxm_ep *rxm_ep =
container_of(ep_fid, struct rxm_ep, util_ep.ep_fid.fid);
return rxm_ep_generic_writemsg(ep_fid, msg, flags | rxm_ep->util_ep.tx_msg_flags);
}
static ssize_t rxm_ep_writev(struct fid_ep *ep_fid, const struct iovec *iov,
void **desc, size_t count, fi_addr_t dest_addr,
uint64_t addr, uint64_t key, void *context)
{
struct fi_rma_iov rma_iov = {
.addr = addr,
.len = ofi_total_iov_len(iov, count),
.key = key,
};
struct fi_msg_rma msg = {
.msg_iov = iov,
.desc = desc,
.iov_count = count,
.addr = dest_addr,
.rma_iov = &rma_iov,
.rma_iov_count = 1,
.context = context,
.data = 0,
};
struct rxm_ep *rxm_ep = container_of(ep_fid, struct rxm_ep,
util_ep.ep_fid.fid);
return rxm_ep_generic_writemsg(ep_fid, &msg, rxm_ep_tx_flags(rxm_ep));
}
static ssize_t rxm_ep_writedata(struct fid_ep *ep_fid, const void *buf,
size_t len, void *desc, uint64_t data,
fi_addr_t dest_addr, uint64_t addr,
uint64_t key, void *context)
{
struct fi_rma_iov rma_iov = {
.addr = addr,
.len = len,
.key = key,
};
struct iovec iov = {
.iov_base = (void*)buf,
.iov_len = len,
};
struct fi_msg_rma msg = {
.msg_iov = &iov,
.desc = &desc,
.iov_count = 1,
.addr = dest_addr,
.rma_iov = &rma_iov,
.rma_iov_count = 1,
.context = context,
.data = data,
};
struct rxm_ep *rxm_ep = container_of(ep_fid, struct rxm_ep,
util_ep.ep_fid.fid);
return rxm_ep_generic_writemsg(ep_fid, &msg, rxm_ep_tx_flags(rxm_ep) |
FI_REMOTE_CQ_DATA);
}
static ssize_t rxm_ep_write(struct fid_ep *ep_fid, const void *buf,
size_t len, void *desc, fi_addr_t dest_addr,
uint64_t addr, uint64_t key, void *context)
{
struct fi_rma_iov rma_iov = {
.addr = addr,
.len = len,
.key = key,
};
struct iovec iov = {
.iov_base = (void*)buf,
.iov_len = len,
};
struct fi_msg_rma msg = {
.msg_iov = &iov,
.desc = &desc,
.iov_count = 1,
.addr = dest_addr,
.rma_iov = &rma_iov,
.rma_iov_count = 1,
.context = context,
.data = 0,
};
struct rxm_ep *rxm_ep = container_of(ep_fid, struct rxm_ep,
util_ep.ep_fid.fid);
return rxm_ep_generic_writemsg(ep_fid, &msg, rxm_ep_tx_flags(rxm_ep));
}
static ssize_t rxm_ep_inject_write(struct fid_ep *ep_fid, const void *buf,
size_t len, fi_addr_t dest_addr,
uint64_t addr, uint64_t key)
{
ssize_t ret;
struct rxm_conn *rxm_conn;
struct rxm_ep *rxm_ep = container_of(ep_fid, struct rxm_ep,
util_ep.ep_fid.fid);
ret = rxm_ep_prepare_tx(rxm_ep, dest_addr, &rxm_conn);
if (OFI_UNLIKELY(ret))
return ret;
if (len <= rxm_ep->msg_info->tx_attr->inject_size) {
ret = fi_inject_write(rxm_conn->msg_ep, buf, len,
dest_addr, addr, key);
if (OFI_LIKELY(!ret)) {
ofi_ep_wr_cntr_inc(&rxm_ep->util_ep);
} else {
FI_DBG(&rxm_prov, FI_LOG_EP_DATA,
"fi_inject_write for MSG provider failed with ret - %"
PRId64"\n", ret);
if (OFI_LIKELY(ret == -FI_EAGAIN))
rxm_ep_progress(&rxm_ep->util_ep);
}
return ret;
} else {
return rxm_ep_rma_emulate_inject(rxm_ep, rxm_conn, buf, len,
0, dest_addr, addr, key, FI_INJECT);
}
}
static ssize_t rxm_ep_inject_writedata(struct fid_ep *ep_fid, const void *buf,
size_t len, uint64_t data,
fi_addr_t dest_addr, uint64_t addr,
uint64_t key)
{
ssize_t ret;
struct rxm_conn *rxm_conn;
struct rxm_ep *rxm_ep = container_of(ep_fid, struct rxm_ep,
util_ep.ep_fid.fid);
ret = rxm_ep_prepare_tx(rxm_ep, dest_addr, &rxm_conn);
if (OFI_UNLIKELY(ret))
return ret;
if (len <= rxm_ep->msg_info->tx_attr->inject_size) {
ret = fi_inject_writedata(rxm_conn->msg_ep, buf, len,
data, dest_addr, addr, key);
if (OFI_LIKELY(!ret)) {
ofi_ep_wr_cntr_inc(&rxm_ep->util_ep);
} else {
FI_DBG(&rxm_prov, FI_LOG_EP_DATA,
"fi_inject_writedata for MSG provider failed with ret - %"
PRId64"\n", ret);
if (OFI_LIKELY(ret == -FI_EAGAIN))
rxm_ep_progress(&rxm_ep->util_ep);
}
return ret;
} else {
return rxm_ep_rma_emulate_inject(rxm_ep, rxm_conn, buf, len,
data, dest_addr, addr, key,
FI_REMOTE_CQ_DATA | FI_INJECT);
}
}
struct fi_ops_rma rxm_ops_rma = {
.size = sizeof (struct fi_ops_rma),
.read = rxm_ep_read,
.readv = rxm_ep_readv,
.readmsg = rxm_ep_readmsg,
.write = rxm_ep_write,
.writev = rxm_ep_writev,
.writemsg = rxm_ep_writemsg,
.inject = rxm_ep_inject_write,
.writedata = rxm_ep_writedata,
.injectdata = rxm_ep_inject_writedata,
};
