RDMA/nes: Add support for IB_WR_*INV
Add support for IB_WR_SEND_WITH_INV, IB_WR_RDMA_READ_WITH_INV and IB_WR_LOCAL_INV. Signed-off-by: Chien Tung <chien.tin.tung@intel.com> Signed-off-by: Roland Dreier <rolandd@cisco.com>
This commit is contained in:
Chien Tung
Roland Dreier
Родитель
4293fdc115
Коммит
649fe4aeab
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@ -3373,18 +3373,12 @@ static int nes_post_send(struct ib_qp *ibqp, struct ib_send_wr *ib_wr,
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struct nes_device *nesdev = nesvnic->nesdev;
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struct nes_qp *nesqp = to_nesqp(ibqp);
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struct nes_hw_qp_wqe *wqe;
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int err;
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int err = 0;
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u32 qsize = nesqp->hwqp.sq_size;
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u32 head;
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u32 wqe_misc;
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u32 wqe_count;
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u32 wqe_misc = 0;
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u32 wqe_count = 0;
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u32 counter;
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u32 total_payload_length;
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err = 0;
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wqe_misc = 0;
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wqe_count = 0;
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total_payload_length = 0;
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if (nesqp->ibqp_state > IB_QPS_RTS) {
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err = -EINVAL;
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@ -3415,91 +3409,117 @@ static int nes_post_send(struct ib_qp *ibqp, struct ib_send_wr *ib_wr,
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u64temp = (u64)(ib_wr->wr_id);
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set_wqe_64bit_value(wqe->wqe_words, NES_IWARP_SQ_WQE_COMP_SCRATCH_LOW_IDX,
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u64temp);
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switch (ib_wr->opcode) {
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case IB_WR_SEND:
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if (ib_wr->send_flags & IB_SEND_SOLICITED) {
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wqe_misc = NES_IWARP_SQ_OP_SENDSE;
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} else {
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wqe_misc = NES_IWARP_SQ_OP_SEND;
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}
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if (ib_wr->num_sge > nesdev->nesadapter->max_sge) {
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err = -EINVAL;
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break;
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}
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if (ib_wr->send_flags & IB_SEND_FENCE) {
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wqe_misc |= NES_IWARP_SQ_WQE_LOCAL_FENCE;
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}
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if ((ib_wr->send_flags & IB_SEND_INLINE) &&
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((nes_drv_opt & NES_DRV_OPT_NO_INLINE_DATA) == 0) &&
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(ib_wr->sg_list[0].length <= 64)) {
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memcpy(&wqe->wqe_words[NES_IWARP_SQ_WQE_IMM_DATA_START_IDX],
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(void *)(unsigned long)ib_wr->sg_list[0].addr, ib_wr->sg_list[0].length);
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set_wqe_32bit_value(wqe->wqe_words, NES_IWARP_SQ_WQE_TOTAL_PAYLOAD_IDX,
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ib_wr->sg_list[0].length);
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wqe_misc |= NES_IWARP_SQ_WQE_IMM_DATA;
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} else {
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fill_wqe_sg_send(wqe, ib_wr, 1);
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}
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switch (ib_wr->opcode) {
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case IB_WR_SEND:
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case IB_WR_SEND_WITH_INV:
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if (IB_WR_SEND == ib_wr->opcode) {
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if (ib_wr->send_flags & IB_SEND_SOLICITED)
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wqe_misc = NES_IWARP_SQ_OP_SENDSE;
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else
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wqe_misc = NES_IWARP_SQ_OP_SEND;
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} else {
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if (ib_wr->send_flags & IB_SEND_SOLICITED)
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wqe_misc = NES_IWARP_SQ_OP_SENDSEINV;
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else
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wqe_misc = NES_IWARP_SQ_OP_SENDINV;
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break;
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case IB_WR_RDMA_WRITE:
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wqe_misc = NES_IWARP_SQ_OP_RDMAW;
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if (ib_wr->num_sge > nesdev->nesadapter->max_sge) {
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nes_debug(NES_DBG_IW_TX, "Exceeded max sge, ib_wr=%u, max=%u\n",
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ib_wr->num_sge,
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nesdev->nesadapter->max_sge);
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err = -EINVAL;
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break;
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}
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if (ib_wr->send_flags & IB_SEND_FENCE) {
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wqe_misc |= NES_IWARP_SQ_WQE_LOCAL_FENCE;
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}
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set_wqe_32bit_value(wqe->wqe_words, NES_IWARP_SQ_WQE_RDMA_STAG_IDX,
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ib_wr->wr.rdma.rkey);
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set_wqe_64bit_value(wqe->wqe_words, NES_IWARP_SQ_WQE_RDMA_TO_LOW_IDX,
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ib_wr->wr.rdma.remote_addr);
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if ((ib_wr->send_flags & IB_SEND_INLINE) &&
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((nes_drv_opt & NES_DRV_OPT_NO_INLINE_DATA) == 0) &&
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(ib_wr->sg_list[0].length <= 64)) {
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memcpy(&wqe->wqe_words[NES_IWARP_SQ_WQE_IMM_DATA_START_IDX],
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(void *)(unsigned long)ib_wr->sg_list[0].addr, ib_wr->sg_list[0].length);
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set_wqe_32bit_value(wqe->wqe_words, NES_IWARP_SQ_WQE_TOTAL_PAYLOAD_IDX,
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ib_wr->sg_list[0].length);
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wqe_misc |= NES_IWARP_SQ_WQE_IMM_DATA;
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} else {
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fill_wqe_sg_send(wqe, ib_wr, 1);
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}
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wqe->wqe_words[NES_IWARP_SQ_WQE_RDMA_LENGTH_IDX] =
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wqe->wqe_words[NES_IWARP_SQ_WQE_TOTAL_PAYLOAD_IDX];
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break;
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case IB_WR_RDMA_READ:
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/* iWARP only supports 1 sge for RDMA reads */
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if (ib_wr->num_sge > 1) {
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nes_debug(NES_DBG_IW_TX, "Exceeded max sge, ib_wr=%u, max=1\n",
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ib_wr->num_sge);
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err = -EINVAL;
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break;
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}
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wqe_misc = NES_IWARP_SQ_OP_RDMAR;
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set_wqe_64bit_value(wqe->wqe_words, NES_IWARP_SQ_WQE_RDMA_TO_LOW_IDX,
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ib_wr->wr.rdma.remote_addr);
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set_wqe_32bit_value(wqe->wqe_words, NES_IWARP_SQ_WQE_RDMA_STAG_IDX,
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ib_wr->wr.rdma.rkey);
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set_wqe_32bit_value(wqe->wqe_words, NES_IWARP_SQ_WQE_RDMA_LENGTH_IDX,
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ib_wr->sg_list->length);
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set_wqe_64bit_value(wqe->wqe_words, NES_IWARP_SQ_WQE_FRAG0_LOW_IDX,
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ib_wr->sg_list->addr);
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set_wqe_32bit_value(wqe->wqe_words, NES_IWARP_SQ_WQE_STAG0_IDX,
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ib_wr->sg_list->lkey);
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break;
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default:
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/* error */
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err = -EINVAL;
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break;
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set_wqe_32bit_value(wqe->wqe_words, NES_IWARP_SQ_WQE_INV_STAG_LOW_IDX,
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ib_wr->ex.invalidate_rkey);
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}
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if (ib_wr->num_sge > nesdev->nesadapter->max_sge) {
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err = -EINVAL;
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break;
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}
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if (ib_wr->send_flags & IB_SEND_FENCE)
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wqe_misc |= NES_IWARP_SQ_WQE_LOCAL_FENCE;
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if ((ib_wr->send_flags & IB_SEND_INLINE) &&
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((nes_drv_opt & NES_DRV_OPT_NO_INLINE_DATA) == 0) &&
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(ib_wr->sg_list[0].length <= 64)) {
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memcpy(&wqe->wqe_words[NES_IWARP_SQ_WQE_IMM_DATA_START_IDX],
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(void *)(unsigned long)ib_wr->sg_list[0].addr, ib_wr->sg_list[0].length);
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set_wqe_32bit_value(wqe->wqe_words, NES_IWARP_SQ_WQE_TOTAL_PAYLOAD_IDX,
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ib_wr->sg_list[0].length);
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wqe_misc |= NES_IWARP_SQ_WQE_IMM_DATA;
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} else {
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fill_wqe_sg_send(wqe, ib_wr, 1);
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}
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break;
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case IB_WR_RDMA_WRITE:
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wqe_misc = NES_IWARP_SQ_OP_RDMAW;
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if (ib_wr->num_sge > nesdev->nesadapter->max_sge) {
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nes_debug(NES_DBG_IW_TX, "Exceeded max sge, ib_wr=%u, max=%u\n",
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ib_wr->num_sge, nesdev->nesadapter->max_sge);
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err = -EINVAL;
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break;
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}
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if (ib_wr->send_flags & IB_SEND_FENCE)
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wqe_misc |= NES_IWARP_SQ_WQE_LOCAL_FENCE;
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set_wqe_32bit_value(wqe->wqe_words, NES_IWARP_SQ_WQE_RDMA_STAG_IDX,
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ib_wr->wr.rdma.rkey);
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set_wqe_64bit_value(wqe->wqe_words, NES_IWARP_SQ_WQE_RDMA_TO_LOW_IDX,
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ib_wr->wr.rdma.remote_addr);
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if ((ib_wr->send_flags & IB_SEND_INLINE) &&
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((nes_drv_opt & NES_DRV_OPT_NO_INLINE_DATA) == 0) &&
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(ib_wr->sg_list[0].length <= 64)) {
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memcpy(&wqe->wqe_words[NES_IWARP_SQ_WQE_IMM_DATA_START_IDX],
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(void *)(unsigned long)ib_wr->sg_list[0].addr, ib_wr->sg_list[0].length);
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set_wqe_32bit_value(wqe->wqe_words, NES_IWARP_SQ_WQE_TOTAL_PAYLOAD_IDX,
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ib_wr->sg_list[0].length);
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wqe_misc |= NES_IWARP_SQ_WQE_IMM_DATA;
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} else {
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fill_wqe_sg_send(wqe, ib_wr, 1);
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}
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wqe->wqe_words[NES_IWARP_SQ_WQE_RDMA_LENGTH_IDX] =
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wqe->wqe_words[NES_IWARP_SQ_WQE_TOTAL_PAYLOAD_IDX];
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break;
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case IB_WR_RDMA_READ:
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case IB_WR_RDMA_READ_WITH_INV:
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/* iWARP only supports 1 sge for RDMA reads */
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if (ib_wr->num_sge > 1) {
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nes_debug(NES_DBG_IW_TX, "Exceeded max sge, ib_wr=%u, max=1\n",
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ib_wr->num_sge);
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err = -EINVAL;
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break;
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}
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if (ib_wr->opcode == IB_WR_RDMA_READ) {
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wqe_misc = NES_IWARP_SQ_OP_RDMAR;
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} else {
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wqe_misc = NES_IWARP_SQ_OP_RDMAR_LOCINV;
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set_wqe_32bit_value(wqe->wqe_words, NES_IWARP_SQ_WQE_INV_STAG_LOW_IDX,
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ib_wr->ex.invalidate_rkey);
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}
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set_wqe_64bit_value(wqe->wqe_words, NES_IWARP_SQ_WQE_RDMA_TO_LOW_IDX,
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ib_wr->wr.rdma.remote_addr);
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set_wqe_32bit_value(wqe->wqe_words, NES_IWARP_SQ_WQE_RDMA_STAG_IDX,
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ib_wr->wr.rdma.rkey);
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set_wqe_32bit_value(wqe->wqe_words, NES_IWARP_SQ_WQE_RDMA_LENGTH_IDX,
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ib_wr->sg_list->length);
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set_wqe_64bit_value(wqe->wqe_words, NES_IWARP_SQ_WQE_FRAG0_LOW_IDX,
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ib_wr->sg_list->addr);
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set_wqe_32bit_value(wqe->wqe_words, NES_IWARP_SQ_WQE_STAG0_IDX,
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ib_wr->sg_list->lkey);
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break;
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case IB_WR_LOCAL_INV:
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wqe_misc = NES_IWARP_SQ_OP_LOCINV;
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set_wqe_32bit_value(wqe->wqe_words,
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NES_IWARP_SQ_LOCINV_WQE_INV_STAG_IDX,
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ib_wr->ex.invalidate_rkey);
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break;
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default:
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/* error */
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err = -EINVAL;
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break;
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}
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if (err)
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break;
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@ -3729,6 +3749,9 @@ static int nes_poll_cq(struct ib_cq *ibcq, int num_entries, struct ib_wc *entry)
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nes_debug(NES_DBG_CQ, "Operation = Send.\n");
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entry->opcode = IB_WC_SEND;
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break;
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case NES_IWARP_SQ_OP_LOCINV:
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entry->opcode = IB_WR_LOCAL_INV;
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break;
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}
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nesqp->hwqp.sq_tail = (wqe_index+1)&(nesqp->hwqp.sq_size - 1);
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