ucs_status_t uct_dc_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, unsigned flags,
uct_completion_t *comp)
{
uct_dc_mlx5_iface_t *iface = ucs_derived_of(tl_ep->iface, uct_dc_mlx5_iface_t);
uct_dc_mlx5_ep_t *ep = ucs_derived_of(tl_ep, uct_dc_mlx5_ep_t);
UCT_CHECK_IOV_SIZE(iovcnt, UCT_IB_MLX5_AM_ZCOPY_MAX_IOV,
"uct_dc_mlx5_ep_am_zcopy");
UCT_RC_MLX5_CHECK_AM_ZCOPY(id, header_length, uct_iov_total_length(iov, iovcnt),
iface->super.super.super.config.seg_size,
UCT_IB_MLX5_AV_FULL_SIZE);
UCT_DC_CHECK_RES_AND_FC(iface, ep);
uct_dc_mlx5_iface_zcopy_post(iface, ep, MLX5_OPCODE_SEND, iov, iovcnt,
id, header, header_length, 0, 0, 0ul, 0, 0,
comp, MLX5_WQE_CTRL_SOLICITED);
UCT_RC_UPDATE_FC_WND(&iface->super.super, &ep->fc);
UCT_TL_EP_STAT_OP(&ep->super, AM, ZCOPY, header_length +
uct_iov_total_length(iov, iovcnt));
return UCS_INPROGRESS;
}
static ucs_status_t UCS_F_ALWAYS_INLINE
uct_dc_mlx5_ep_am_short_inline(uct_ep_h tl_ep, uint8_t id, uint64_t hdr,
const void *buffer, unsigned length)
{
uct_dc_mlx5_iface_t *iface = ucs_derived_of(tl_ep->iface, uct_dc_mlx5_iface_t);
uct_dc_mlx5_ep_t *ep = ucs_derived_of(tl_ep, uct_dc_mlx5_ep_t);
UCT_DC_MLX5_TXQP_DECL(txqp, txwq);
UCT_RC_MLX5_CHECK_AM_SHORT(id, length, UCT_IB_MLX5_AV_FULL_SIZE);
UCT_DC_CHECK_RES_AND_FC(iface, ep);
UCT_DC_MLX5_IFACE_TXQP_GET(iface, ep, txqp, txwq);
uct_rc_mlx5_txqp_inline_post(&iface->super, UCT_IB_QPT_DCI,
txqp, txwq,
MLX5_OPCODE_SEND,
buffer, length, id, hdr, 0,
0, 0,
&ep->av, uct_dc_mlx5_ep_get_grh(ep),
uct_ib_mlx5_wqe_av_size(&ep->av),
MLX5_WQE_CTRL_SOLICITED, INT_MAX);
UCT_RC_UPDATE_FC_WND(&iface->super.super, &ep->fc);
UCT_TL_EP_STAT_OP(&ep->super, AM, SHORT, sizeof(hdr) + length);
return UCS_OK;
}
ssize_t uct_dc_mlx5_ep_am_bcopy(uct_ep_h tl_ep, uint8_t id,
uct_pack_callback_t pack_cb, void *arg)
{
uct_dc_mlx5_iface_t *iface = ucs_derived_of(tl_ep->iface, uct_dc_mlx5_iface_t);
uct_dc_mlx5_ep_t *ep = ucs_derived_of(tl_ep, uct_dc_mlx5_ep_t);
uct_rc_iface_send_desc_t *desc;
size_t length;
UCT_DC_CHECK_RES_AND_FC(&iface->super, &ep->super);
UCT_RC_IFACE_GET_TX_AM_BCOPY_DESC(&iface->super.super, &iface->super.super.tx.mp, desc,
id, pack_cb, arg, &length);
uct_dc_mlx5_iface_bcopy_post(iface, ep,
MLX5_OPCODE_SEND|UCT_RC_MLX5_OPCODE_FLAG_RAW,
sizeof(uct_rc_hdr_t) + length, 0, NULL, 0, 0, 0, desc);
UCT_RC_UPDATE_FC_WND(&iface->super.super, &ep->super.fc);
UCT_TL_EP_STAT_OP(&ep->super.super, AM, BCOPY, length);
return length;
}
ssize_t uct_dc_mlx5_ep_am_bcopy(uct_ep_h tl_ep, uint8_t id,
uct_pack_callback_t pack_cb, void *arg,
unsigned flags)
{
uct_dc_mlx5_iface_t *iface = ucs_derived_of(tl_ep->iface, uct_dc_mlx5_iface_t);
uct_dc_mlx5_ep_t *ep = ucs_derived_of(tl_ep, uct_dc_mlx5_ep_t);
uct_rc_iface_send_desc_t *desc;
size_t length;
UCT_CHECK_AM_ID(id);
UCT_DC_CHECK_RES_AND_FC(iface, ep);
UCT_RC_IFACE_GET_TX_AM_BCOPY_DESC(&iface->super.super, &iface->super.super.tx.mp, desc,
id, uct_rc_mlx5_am_hdr_fill, uct_rc_mlx5_hdr_t,
pack_cb, arg, &length);
uct_dc_mlx5_iface_bcopy_post(iface, ep, MLX5_OPCODE_SEND,
sizeof(uct_rc_mlx5_hdr_t) + length, 0, 0, desc,
MLX5_WQE_CTRL_SOLICITED, 0, desc + 1, NULL);
UCT_RC_UPDATE_FC_WND(&iface->super.super, &ep->fc);
UCT_TL_EP_STAT_OP(&ep->super, AM, BCOPY, length);
return length;
}
ucs_status_t uct_dc_mlx5_ep_am_short(uct_ep_h tl_ep, uint8_t id, uint64_t hdr,
const void *buffer, unsigned length)
{
uct_dc_mlx5_iface_t *iface = ucs_derived_of(tl_ep->iface, uct_dc_mlx5_iface_t);
uct_dc_mlx5_ep_t *ep = ucs_derived_of(tl_ep, uct_dc_mlx5_ep_t);
UCT_DC_MLX5_TXQP_DECL(txqp, txwq);
UCT_RC_MLX5_CHECK_AM_SHORT(id, length, UCT_IB_MLX5_AV_FULL_SIZE);
UCT_DC_CHECK_RES_AND_FC(&iface->super, &ep->super);
UCT_DC_MLX5_IFACE_TXQP_GET(iface, &ep->super, txqp, txwq);
uct_rc_mlx5_txqp_inline_post(&iface->super.super, IBV_EXP_QPT_DC_INI,
txqp, txwq,
MLX5_OPCODE_SEND,
buffer, length, id, hdr, 0,
0, 0,
&ep->av, uct_ib_mlx5_wqe_av_size(&ep->av));
UCT_RC_UPDATE_FC_WND(&iface->super.super, &ep->super.fc);
UCT_TL_EP_STAT_OP(&ep->super.super, AM, SHORT, sizeof(hdr) + length);
return UCS_OK;
}
ucs_status_t uct_dc_mlx5_ep_am_short(uct_ep_h tl_ep, uint8_t id, uint64_t hdr,
const void *buffer, unsigned length)
{
#if HAVE_IBV_EXP_DM
uct_dc_mlx5_iface_t *iface = ucs_derived_of(tl_ep->iface, uct_dc_mlx5_iface_t);
uct_dc_mlx5_ep_t *ep = ucs_derived_of(tl_ep, uct_dc_mlx5_ep_t);
ucs_status_t status;
uct_rc_mlx5_dm_copy_data_t cache;
if (ucs_likely((sizeof(uct_rc_mlx5_am_short_hdr_t) + length <=
UCT_IB_MLX5_AM_MAX_SHORT(UCT_IB_MLX5_AV_FULL_SIZE)) ||
!iface->super.dm.dm)) {
#endif
return uct_dc_mlx5_ep_am_short_inline(tl_ep, id, hdr, buffer, length);
#if HAVE_IBV_EXP_DM
}
UCT_CHECK_AM_ID(id);
UCT_CHECK_LENGTH(length + sizeof(uct_rc_mlx5_am_short_hdr_t), 0,
iface->super.dm.seg_len, "am_short");
UCT_DC_CHECK_RES_AND_FC(iface, ep);
uct_rc_mlx5_am_hdr_fill(&cache.am_hdr.rc_hdr, id);
cache.am_hdr.am_hdr = hdr;
status = uct_dc_mlx5_ep_short_dm(ep, &cache, sizeof(cache.am_hdr), buffer, length,
MLX5_OPCODE_SEND,
MLX5_WQE_CTRL_SOLICITED | MLX5_WQE_CTRL_CQ_UPDATE,
0, 0);
if (UCS_STATUS_IS_ERR(status)) {
return status;
}
UCT_TL_EP_STAT_OP(&ep->super, AM, SHORT, sizeof(cache.am_hdr) + length);
UCT_RC_UPDATE_FC_WND(&iface->super.super, &ep->fc);
return UCS_OK;
#endif
}
