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authorChien Tung <chien.tin.tung@intel.com>2009-12-09 13:51:37 -0800
committerRoland Dreier <rolandd@cisco.com>2009-12-09 13:51:37 -0800
commit649fe4aeab8c9b90eb31c899791534add0c78e04 (patch)
treea5c3911b19fe503db4265fea45d52fae816b2504 /drivers/infiniband
parent4293fdc115e1e4f83dcb9ec6cbd3a54c563835f0 (diff)
downloadlinux-649fe4aeab8c9b90eb31c899791534add0c78e04.tar.bz2
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>
Diffstat (limited to 'drivers/infiniband')
-rw-r--r--drivers/infiniband/hw/nes/nes_verbs.c203
1 files changed, 113 insertions, 90 deletions
diff --git a/drivers/infiniband/hw/nes/nes_verbs.c b/drivers/infiniband/hw/nes/nes_verbs.c
index 0b17c01bb9fa..499dd78cb821 100644
--- a/drivers/infiniband/hw/nes/nes_verbs.c
+++ b/drivers/infiniband/hw/nes/nes_verbs.c
@@ -3373,18 +3373,12 @@ static int nes_post_send(struct ib_qp *ibqp, struct ib_send_wr *ib_wr,
struct nes_device *nesdev = nesvnic->nesdev;
struct nes_qp *nesqp = to_nesqp(ibqp);
struct nes_hw_qp_wqe *wqe;
- int err;
+ int err = 0;
u32 qsize = nesqp->hwqp.sq_size;
u32 head;
- u32 wqe_misc;
- u32 wqe_count;
+ u32 wqe_misc = 0;
+ u32 wqe_count = 0;
u32 counter;
- u32 total_payload_length;
-
- err = 0;
- wqe_misc = 0;
- wqe_count = 0;
- total_payload_length = 0;
if (nesqp->ibqp_state > IB_QPS_RTS) {
err = -EINVAL;
@@ -3415,91 +3409,117 @@ static int nes_post_send(struct ib_qp *ibqp, struct ib_send_wr *ib_wr,
u64temp = (u64)(ib_wr->wr_id);
set_wqe_64bit_value(wqe->wqe_words, NES_IWARP_SQ_WQE_COMP_SCRATCH_LOW_IDX,
u64temp);
- switch (ib_wr->opcode) {
- case IB_WR_SEND:
- if (ib_wr->send_flags & IB_SEND_SOLICITED) {
- wqe_misc = NES_IWARP_SQ_OP_SENDSE;
- } else {
- wqe_misc = NES_IWARP_SQ_OP_SEND;
- }
- if (ib_wr->num_sge > nesdev->nesadapter->max_sge) {
- err = -EINVAL;
- break;
- }
- if (ib_wr->send_flags & IB_SEND_FENCE) {
- wqe_misc |= NES_IWARP_SQ_WQE_LOCAL_FENCE;
- }
- if ((ib_wr->send_flags & IB_SEND_INLINE) &&
- ((nes_drv_opt & NES_DRV_OPT_NO_INLINE_DATA) == 0) &&
- (ib_wr->sg_list[0].length <= 64)) {
- memcpy(&wqe->wqe_words[NES_IWARP_SQ_WQE_IMM_DATA_START_IDX],
- (void *)(unsigned long)ib_wr->sg_list[0].addr, ib_wr->sg_list[0].length);
- set_wqe_32bit_value(wqe->wqe_words, NES_IWARP_SQ_WQE_TOTAL_PAYLOAD_IDX,
- ib_wr->sg_list[0].length);
- wqe_misc |= NES_IWARP_SQ_WQE_IMM_DATA;
- } else {
- fill_wqe_sg_send(wqe, ib_wr, 1);
- }
+ switch (ib_wr->opcode) {
+ case IB_WR_SEND:
+ case IB_WR_SEND_WITH_INV:
+ if (IB_WR_SEND == ib_wr->opcode) {
+ if (ib_wr->send_flags & IB_SEND_SOLICITED)
+ wqe_misc = NES_IWARP_SQ_OP_SENDSE;
+ else
+ wqe_misc = NES_IWARP_SQ_OP_SEND;
+ } else {
+ if (ib_wr->send_flags & IB_SEND_SOLICITED)
+ wqe_misc = NES_IWARP_SQ_OP_SENDSEINV;
+ else
+ wqe_misc = NES_IWARP_SQ_OP_SENDINV;
- break;
- case IB_WR_RDMA_WRITE:
- wqe_misc = NES_IWARP_SQ_OP_RDMAW;
- if (ib_wr->num_sge > nesdev->nesadapter->max_sge) {
- nes_debug(NES_DBG_IW_TX, "Exceeded max sge, ib_wr=%u, max=%u\n",
- ib_wr->num_sge,
- nesdev->nesadapter->max_sge);
- err = -EINVAL;
- break;
- }
- if (ib_wr->send_flags & IB_SEND_FENCE) {
- wqe_misc |= NES_IWARP_SQ_WQE_LOCAL_FENCE;
- }
+ set_wqe_32bit_value(wqe->wqe_words, NES_IWARP_SQ_WQE_INV_STAG_LOW_IDX,
+ ib_wr->ex.invalidate_rkey);
+ }
- set_wqe_32bit_value(wqe->wqe_words, NES_IWARP_SQ_WQE_RDMA_STAG_IDX,
- ib_wr->wr.rdma.rkey);
- set_wqe_64bit_value(wqe->wqe_words, NES_IWARP_SQ_WQE_RDMA_TO_LOW_IDX,
- ib_wr->wr.rdma.remote_addr);
-
- if ((ib_wr->send_flags & IB_SEND_INLINE) &&
- ((nes_drv_opt & NES_DRV_OPT_NO_INLINE_DATA) == 0) &&
- (ib_wr->sg_list[0].length <= 64)) {
- memcpy(&wqe->wqe_words[NES_IWARP_SQ_WQE_IMM_DATA_START_IDX],
- (void *)(unsigned long)ib_wr->sg_list[0].addr, ib_wr->sg_list[0].length);
- set_wqe_32bit_value(wqe->wqe_words, NES_IWARP_SQ_WQE_TOTAL_PAYLOAD_IDX,
- ib_wr->sg_list[0].length);
- wqe_misc |= NES_IWARP_SQ_WQE_IMM_DATA;
- } else {
- fill_wqe_sg_send(wqe, ib_wr, 1);
- }
- wqe->wqe_words[NES_IWARP_SQ_WQE_RDMA_LENGTH_IDX] =
- wqe->wqe_words[NES_IWARP_SQ_WQE_TOTAL_PAYLOAD_IDX];
- break;
- case IB_WR_RDMA_READ:
- /* iWARP only supports 1 sge for RDMA reads */
- if (ib_wr->num_sge > 1) {
- nes_debug(NES_DBG_IW_TX, "Exceeded max sge, ib_wr=%u, max=1\n",
- ib_wr->num_sge);
- err = -EINVAL;
- break;
- }
- wqe_misc = NES_IWARP_SQ_OP_RDMAR;
- set_wqe_64bit_value(wqe->wqe_words, NES_IWARP_SQ_WQE_RDMA_TO_LOW_IDX,
- ib_wr->wr.rdma.remote_addr);
- set_wqe_32bit_value(wqe->wqe_words, NES_IWARP_SQ_WQE_RDMA_STAG_IDX,
- ib_wr->wr.rdma.rkey);
- set_wqe_32bit_value(wqe->wqe_words, NES_IWARP_SQ_WQE_RDMA_LENGTH_IDX,
- ib_wr->sg_list->length);
- set_wqe_64bit_value(wqe->wqe_words, NES_IWARP_SQ_WQE_FRAG0_LOW_IDX,
- ib_wr->sg_list->addr);
- set_wqe_32bit_value(wqe->wqe_words, NES_IWARP_SQ_WQE_STAG0_IDX,
- ib_wr->sg_list->lkey);
- break;
- default:
- /* error */
- err = -EINVAL;
- break;
+ if (ib_wr->num_sge > nesdev->nesadapter->max_sge) {
+ err = -EINVAL;
+ break;
}
+ if (ib_wr->send_flags & IB_SEND_FENCE)
+ wqe_misc |= NES_IWARP_SQ_WQE_LOCAL_FENCE;
+
+ if ((ib_wr->send_flags & IB_SEND_INLINE) &&
+ ((nes_drv_opt & NES_DRV_OPT_NO_INLINE_DATA) == 0) &&
+ (ib_wr->sg_list[0].length <= 64)) {
+ memcpy(&wqe->wqe_words[NES_IWARP_SQ_WQE_IMM_DATA_START_IDX],
+ (void *)(unsigned long)ib_wr->sg_list[0].addr, ib_wr->sg_list[0].length);
+ set_wqe_32bit_value(wqe->wqe_words, NES_IWARP_SQ_WQE_TOTAL_PAYLOAD_IDX,
+ ib_wr->sg_list[0].length);
+ wqe_misc |= NES_IWARP_SQ_WQE_IMM_DATA;
+ } else {
+ fill_wqe_sg_send(wqe, ib_wr, 1);
+ }
+
+ break;
+ case IB_WR_RDMA_WRITE:
+ wqe_misc = NES_IWARP_SQ_OP_RDMAW;
+ if (ib_wr->num_sge > nesdev->nesadapter->max_sge) {
+ nes_debug(NES_DBG_IW_TX, "Exceeded max sge, ib_wr=%u, max=%u\n",
+ ib_wr->num_sge, nesdev->nesadapter->max_sge);
+ err = -EINVAL;
+ break;
+ }
+
+ if (ib_wr->send_flags & IB_SEND_FENCE)
+ wqe_misc |= NES_IWARP_SQ_WQE_LOCAL_FENCE;
+
+ set_wqe_32bit_value(wqe->wqe_words, NES_IWARP_SQ_WQE_RDMA_STAG_IDX,
+ ib_wr->wr.rdma.rkey);
+ set_wqe_64bit_value(wqe->wqe_words, NES_IWARP_SQ_WQE_RDMA_TO_LOW_IDX,
+ ib_wr->wr.rdma.remote_addr);
+
+ if ((ib_wr->send_flags & IB_SEND_INLINE) &&
+ ((nes_drv_opt & NES_DRV_OPT_NO_INLINE_DATA) == 0) &&
+ (ib_wr->sg_list[0].length <= 64)) {
+ memcpy(&wqe->wqe_words[NES_IWARP_SQ_WQE_IMM_DATA_START_IDX],
+ (void *)(unsigned long)ib_wr->sg_list[0].addr, ib_wr->sg_list[0].length);
+ set_wqe_32bit_value(wqe->wqe_words, NES_IWARP_SQ_WQE_TOTAL_PAYLOAD_IDX,
+ ib_wr->sg_list[0].length);
+ wqe_misc |= NES_IWARP_SQ_WQE_IMM_DATA;
+ } else {
+ fill_wqe_sg_send(wqe, ib_wr, 1);
+ }
+
+ wqe->wqe_words[NES_IWARP_SQ_WQE_RDMA_LENGTH_IDX] =
+ wqe->wqe_words[NES_IWARP_SQ_WQE_TOTAL_PAYLOAD_IDX];
+ break;
+ case IB_WR_RDMA_READ:
+ case IB_WR_RDMA_READ_WITH_INV:
+ /* iWARP only supports 1 sge for RDMA reads */
+ if (ib_wr->num_sge > 1) {
+ nes_debug(NES_DBG_IW_TX, "Exceeded max sge, ib_wr=%u, max=1\n",
+ ib_wr->num_sge);
+ err = -EINVAL;
+ break;
+ }
+ if (ib_wr->opcode == IB_WR_RDMA_READ) {
+ wqe_misc = NES_IWARP_SQ_OP_RDMAR;
+ } else {
+ wqe_misc = NES_IWARP_SQ_OP_RDMAR_LOCINV;
+ set_wqe_32bit_value(wqe->wqe_words, NES_IWARP_SQ_WQE_INV_STAG_LOW_IDX,
+ ib_wr->ex.invalidate_rkey);
+ }
+
+ set_wqe_64bit_value(wqe->wqe_words, NES_IWARP_SQ_WQE_RDMA_TO_LOW_IDX,
+ ib_wr->wr.rdma.remote_addr);
+ set_wqe_32bit_value(wqe->wqe_words, NES_IWARP_SQ_WQE_RDMA_STAG_IDX,
+ ib_wr->wr.rdma.rkey);
+ set_wqe_32bit_value(wqe->wqe_words, NES_IWARP_SQ_WQE_RDMA_LENGTH_IDX,
+ ib_wr->sg_list->length);
+ set_wqe_64bit_value(wqe->wqe_words, NES_IWARP_SQ_WQE_FRAG0_LOW_IDX,
+ ib_wr->sg_list->addr);
+ set_wqe_32bit_value(wqe->wqe_words, NES_IWARP_SQ_WQE_STAG0_IDX,
+ ib_wr->sg_list->lkey);
+ break;
+ case IB_WR_LOCAL_INV:
+ wqe_misc = NES_IWARP_SQ_OP_LOCINV;
+ set_wqe_32bit_value(wqe->wqe_words,
+ NES_IWARP_SQ_LOCINV_WQE_INV_STAG_IDX,
+ ib_wr->ex.invalidate_rkey);
+ break;
+ default:
+ /* error */
+ err = -EINVAL;
+ break;
+ }
+
if (err)
break;
@@ -3729,6 +3749,9 @@ static int nes_poll_cq(struct ib_cq *ibcq, int num_entries, struct ib_wc *entry)
nes_debug(NES_DBG_CQ, "Operation = Send.\n");
entry->opcode = IB_WC_SEND;
break;
+ case NES_IWARP_SQ_OP_LOCINV:
+ entry->opcode = IB_WR_LOCAL_INV;
+ break;
}
nesqp->hwqp.sq_tail = (wqe_index+1)&(nesqp->hwqp.sq_size - 1);