ucs_status_t uct_rc_mlx5_ep_am_zcopy(uct_ep_h tl_ep, uint8_t id, const void *header,
unsigned header_length, const void *payload,
size_t length, uct_mem_h memh,
uct_completion_t *comp)
{
uct_rc_mlx5_ep_t *ep = ucs_derived_of(tl_ep, uct_rc_mlx5_ep_t);
uct_rc_iface_t *iface = ucs_derived_of(tl_ep->iface, uct_rc_iface_t);
ucs_status_t status;
UCT_CHECK_AM_ID(id);
UCT_RC_CHECK_FC_WND(iface, &ep->super, id);
UCT_CHECK_LENGTH(sizeof(struct mlx5_wqe_ctrl_seg) +
sizeof(struct mlx5_wqe_data_seg) +
sizeof(struct mlx5_wqe_inl_data_seg) +
sizeof(uct_rc_hdr_t) + header_length,
UCT_RC_MLX5_MAX_BB * MLX5_SEND_WQE_BB,
"am zcopy");
UCT_CHECK_LENGTH(header_length + length + sizeof(uct_rc_hdr_t),
ucs_derived_of(tl_ep->iface, uct_ib_iface_t)->config.seg_size,
"am_zcopy");
UCT_CHECK_LENGTH(header_length + length, UCT_IB_MAX_MESSAGE_SIZE, "am_zcopy");
status = uct_rc_mlx5_ep_zcopy_post(ep, MLX5_OPCODE_SEND, payload, length, memh,
id, header, header_length, 0, 0, 0, comp);
if (ucs_likely(status >= 0)) {
UCT_TL_EP_STAT_OP(&ep->super.super, AM, ZCOPY, header_length + length);
UCT_RC_UPDATE_FC_WND(&ep->super);
}
return status;
}
ucs_status_t uct_rc_verbs_ep_am_zcopy(uct_ep_h tl_ep, uint8_t id, const void *header,
unsigned header_length, const uct_iov_t *iov,
size_t iovcnt, uct_completion_t *comp)
{
uct_rc_verbs_iface_t *iface = ucs_derived_of(tl_ep->iface, uct_rc_verbs_iface_t);
uct_rc_verbs_ep_t *ep = ucs_derived_of(tl_ep, uct_rc_verbs_ep_t);
uct_rc_iface_send_desc_t *desc = NULL;
struct ibv_sge sge[UCT_IB_MAX_IOV]; /* First sge is reserved for the header */
struct ibv_send_wr wr;
int send_flags;
size_t sge_cnt;
UCT_CHECK_IOV_SIZE(iovcnt, uct_ib_iface_get_max_iov(&iface->super.super) - 1,
"uct_rc_verbs_ep_am_zcopy");
UCT_RC_CHECK_AM_ZCOPY(id, header_length, uct_iov_total_length(iov, iovcnt),
iface->verbs_common.config.short_desc_size,
iface->super.super.config.seg_size);
UCT_RC_CHECK_RES(&iface->super, &ep->super);
UCT_RC_CHECK_FC_WND(&iface->super, &ep->super, id);
UCT_RC_IFACE_GET_TX_AM_ZCOPY_DESC(&iface->super, &iface->verbs_common.short_desc_mp,
desc, id, header, header_length, comp, &send_flags);
sge[0].length = sizeof(uct_rc_hdr_t) + header_length;
sge_cnt = uct_ib_verbs_sge_fill_iov(sge + 1, iov, iovcnt);
UCT_RC_VERBS_FILL_AM_ZCOPY_WR_IOV(wr, sge, (sge_cnt + 1), wr.opcode);
UCT_TL_EP_STAT_OP(&ep->super.super, AM, ZCOPY,
(header_length + uct_iov_total_length(iov, iovcnt)));
uct_rc_verbs_ep_post_send_desc(ep, &wr, desc, send_flags);
UCT_RC_UPDATE_FC_WND(&iface->super, &ep->super, id);
return UCS_INPROGRESS;
}
ssize_t uct_rc_mlx5_ep_am_bcopy(uct_ep_h tl_ep, uint8_t id,
uct_pack_callback_t pack_cb, void *arg)
{
uct_rc_mlx5_iface_t *iface = ucs_derived_of(tl_ep->iface, uct_rc_mlx5_iface_t);
uct_rc_mlx5_ep_t *ep = ucs_derived_of(tl_ep, uct_rc_mlx5_ep_t);
uct_rc_iface_send_desc_t *desc;
uct_rc_hdr_t *rch;
size_t length;
UCT_CHECK_AM_ID(id);
UCT_RC_CHECK_RES(&iface->super, &ep->super);
UCT_RC_CHECK_FC_WND(&iface->super, &ep->super, id);
UCT_RC_IFACE_GET_TX_DESC(&iface->super, &iface->super.tx.mp, desc);
desc->super.handler = (uct_rc_send_handler_t)ucs_mpool_put;
rch = (void*)(desc + 1);
rch->am_id = id;
length = pack_cb(rch + 1, arg);
uct_rc_mlx5_ep_bcopy_post(ep, MLX5_OPCODE_SEND|UCT_RC_MLX5_OPCODE_FLAG_RAW,
sizeof(*rch) + length, 0, NULL, 0, 0, 0, 0, desc);
UCT_TL_EP_STAT_OP(&ep->super.super, AM, BCOPY, length);
UCT_RC_UPDATE_FC_WND(&ep->super);
return length;
}
ucs_status_t uct_rc_verbs_ep_am_short(uct_ep_h tl_ep, uint8_t id, uint64_t hdr,
const void *buffer, unsigned length)
{
uct_rc_verbs_iface_t *iface = ucs_derived_of(tl_ep->iface, uct_rc_verbs_iface_t);
uct_rc_verbs_ep_t *ep = ucs_derived_of(tl_ep, uct_rc_verbs_ep_t);
uct_rc_am_short_hdr_t am;
UCT_RC_CHECK_AM_SHORT(id, length, iface->verbs_common.config.max_inline);
UCT_RC_CHECK_RES(&iface->super, &ep->super);
UCT_RC_CHECK_FC_WND(&iface->super, &ep->super, id);
uct_rc_verbs_iface_fill_inl_am_sge(&iface->verbs_common, &am, id, hdr, buffer, length);
UCT_TL_EP_STAT_OP(&ep->super.super, AM, SHORT, sizeof(hdr) + length);
uct_rc_verbs_ep_post_send(iface, ep, &iface->inl_am_wr, IBV_SEND_INLINE);
UCT_RC_UPDATE_FC_WND(&iface->super, &ep->super, id);
return UCS_OK;
}
ucs_status_t uct_rc_mlx5_ep_am_short(uct_ep_h tl_ep, uint8_t id, uint64_t hdr,
const void *payload, unsigned length)
{
uct_rc_iface_t *iface = ucs_derived_of(tl_ep->iface, uct_rc_iface_t);
uct_rc_mlx5_ep_t *ep = ucs_derived_of(tl_ep, uct_rc_mlx5_ep_t);
ucs_status_t status;
UCT_CHECK_AM_ID(id);
UCT_RC_CHECK_FC_WND(iface, &ep->super, id);
status = uct_rc_mlx5_ep_inline_post(ep, MLX5_OPCODE_SEND, payload, length,
id, hdr, 0, 0);
if (ucs_likely(status >= 0)) {
UCT_TL_EP_STAT_OP(&ep->super.super, AM, SHORT, sizeof(hdr) + length);
UCT_RC_UPDATE_FC_WND(&ep->super);
}
return status;
}
ucs_status_t uct_dc_ep_check_fc(uct_dc_iface_t *iface, uct_dc_ep_t *ep)
{
ucs_status_t status;
if (iface->super.config.fc_enabled) {
UCT_RC_CHECK_FC_WND(&ep->fc, ep->super.stats);
if ((ep->fc.fc_wnd == iface->super.config.fc_hard_thresh) &&
!(ep->fc.flags & UCT_DC_EP_FC_FLAG_WAIT_FOR_GRANT)) {
status = uct_rc_fc_ctrl(&ep->super.super,
UCT_RC_EP_FC_FLAG_HARD_REQ,
NULL);
if (status != UCS_OK) {
return status;
}
ep->fc.flags |= UCT_DC_EP_FC_FLAG_WAIT_FOR_GRANT;
}
} else {
/* Set fc_wnd to max, to send as much as possible without checks */
ep->fc.fc_wnd = INT16_MAX;
}
return UCS_OK;
}
ssize_t uct_rc_mlx5_ep_am_bcopy(uct_ep_h tl_ep, uint8_t id,
uct_pack_callback_t pack_cb, void *arg)
{
uct_rc_iface_t *iface = ucs_derived_of(tl_ep->iface, uct_rc_iface_t);
uct_rc_mlx5_ep_t *ep = ucs_derived_of(tl_ep, uct_rc_mlx5_ep_t);
uct_rc_iface_send_desc_t *desc;
size_t length;
UCT_CHECK_AM_ID(id);
UCT_RC_CHECK_RES(iface, &ep->super);
UCT_RC_CHECK_FC_WND(iface, &ep->super, id);
UCT_RC_IFACE_GET_TX_AM_BCOPY_DESC(iface, &iface->tx.mp, desc,
id, pack_cb, arg, &length);
uct_rc_mlx5_txqp_bcopy_post(iface, &ep->super.txqp, &ep->tx.wq,
MLX5_OPCODE_SEND|UCT_RC_MLX5_OPCODE_FLAG_RAW,
sizeof(uct_rc_hdr_t) + length, 0, NULL, 0, 0, 0,
0, desc);
UCT_TL_EP_STAT_OP(&ep->super.super, AM, BCOPY, length);
UCT_RC_UPDATE_FC_WND(iface, &ep->super, id);
return length;
}
ucs_status_t uct_rc_mlx5_ep_am_short(uct_ep_h tl_ep, uint8_t id, uint64_t hdr,
const void *payload, unsigned length)
{
uct_rc_iface_t *iface = ucs_derived_of(tl_ep->iface, uct_rc_iface_t);
uct_rc_mlx5_ep_t *ep = ucs_derived_of(tl_ep, uct_rc_mlx5_ep_t);
UCT_RC_MLX5_CHECK_AM_SHORT(id, length, 0);
UCT_RC_CHECK_RES(iface, &ep->super);
UCT_RC_CHECK_FC_WND(iface, &ep->super, id);
uct_rc_mlx5_txqp_inline_post(iface, IBV_QPT_RC,
&ep->super.txqp, &ep->tx.wq,
MLX5_OPCODE_SEND,
payload, length,
id, hdr,
0, 0,
NULL, 0);
UCT_TL_EP_STAT_OP(&ep->super.super, AM, SHORT, sizeof(hdr) + length);
UCT_RC_UPDATE_FC_WND(iface, &ep->super, id);
return UCS_OK;
}
ssize_t uct_rc_verbs_ep_am_bcopy(uct_ep_h tl_ep, uint8_t id,
uct_pack_callback_t pack_cb, void *arg)
{
uct_rc_verbs_iface_t *iface = ucs_derived_of(tl_ep->iface, uct_rc_verbs_iface_t);
uct_rc_verbs_ep_t *ep = ucs_derived_of(tl_ep, uct_rc_verbs_ep_t);
uct_rc_iface_send_desc_t *desc;
struct ibv_send_wr wr;
struct ibv_sge sge;
size_t length;
UCT_CHECK_AM_ID(id);
UCT_RC_CHECK_RES(&iface->super, &ep->super);
UCT_RC_CHECK_FC_WND(&iface->super, &ep->super, id);
UCT_RC_IFACE_GET_TX_AM_BCOPY_DESC(&iface->super, &iface->super.tx.mp, desc,
id, pack_cb, arg, &length);
UCT_RC_VERBS_FILL_AM_BCOPY_WR(wr, sge, length, wr.opcode);
UCT_TL_EP_STAT_OP(&ep->super.super, AM, BCOPY, length);
uct_rc_verbs_ep_post_send_desc(ep, &wr, desc, 0);
UCT_RC_UPDATE_FC_WND(&iface->super, &ep->super, id);
return length;
}
ucs_status_t uct_rc_mlx5_ep_am_zcopy(uct_ep_h tl_ep, uint8_t id, const void *header,
unsigned header_length, const uct_iov_t *iov,
size_t iovcnt, uct_completion_t *comp)
{
uct_rc_mlx5_ep_t *ep = ucs_derived_of(tl_ep, uct_rc_mlx5_ep_t);
uct_rc_iface_t *iface = ucs_derived_of(tl_ep->iface, uct_rc_iface_t);
ucs_status_t status;
UCT_CHECK_IOV_SIZE(iovcnt, UCT_IB_MLX5_AM_ZCOPY_MAX_IOV,
"uct_rc_mlx5_ep_am_zcopy");
UCT_RC_MLX5_CHECK_AM_ZCOPY(id, header_length, uct_iov_total_length(iov, iovcnt),
iface->super.config.seg_size, 0);
UCT_RC_CHECK_FC_WND(iface, &ep->super, id);
status = uct_rc_mlx5_ep_zcopy_post(ep, MLX5_OPCODE_SEND, iov, iovcnt,
id, header, header_length, 0, 0, 0, comp);
if (ucs_likely(status >= 0)) {
UCT_TL_EP_STAT_OP(&ep->super.super, AM, ZCOPY,
header_length + uct_iov_total_length(iov, iovcnt));
UCT_RC_UPDATE_FC_WND(iface, &ep->super, id);
}
return status;
}
