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path: root/drivers/infiniband/hw/mlx5/qp.c
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Diffstat (limited to 'drivers/infiniband/hw/mlx5/qp.c')
-rw-r--r--drivers/infiniband/hw/mlx5/qp.c552
1 files changed, 511 insertions, 41 deletions
diff --git a/drivers/infiniband/hw/mlx5/qp.c b/drivers/infiniband/hw/mlx5/qp.c
index 7dfe8a1c84c..dc930ed21ec 100644
--- a/drivers/infiniband/hw/mlx5/qp.c
+++ b/drivers/infiniband/hw/mlx5/qp.c
@@ -256,8 +256,11 @@ static int calc_send_wqe(struct ib_qp_init_attr *attr)
}
size += attr->cap.max_send_sge * sizeof(struct mlx5_wqe_data_seg);
-
- return ALIGN(max_t(int, inl_size, size), MLX5_SEND_WQE_BB);
+ if (attr->create_flags & IB_QP_CREATE_SIGNATURE_EN &&
+ ALIGN(max_t(int, inl_size, size), MLX5_SEND_WQE_BB) < MLX5_SIG_WQE_SIZE)
+ return MLX5_SIG_WQE_SIZE;
+ else
+ return ALIGN(max_t(int, inl_size, size), MLX5_SEND_WQE_BB);
}
static int calc_sq_size(struct mlx5_ib_dev *dev, struct ib_qp_init_attr *attr,
@@ -284,6 +287,9 @@ static int calc_sq_size(struct mlx5_ib_dev *dev, struct ib_qp_init_attr *attr,
sizeof(struct mlx5_wqe_inline_seg);
attr->cap.max_inline_data = qp->max_inline_data;
+ if (attr->create_flags & IB_QP_CREATE_SIGNATURE_EN)
+ qp->signature_en = true;
+
wq_size = roundup_pow_of_two(attr->cap.max_send_wr * wqe_size);
qp->sq.wqe_cnt = wq_size / MLX5_SEND_WQE_BB;
if (qp->sq.wqe_cnt > dev->mdev.caps.max_wqes) {
@@ -665,7 +671,7 @@ static int create_kernel_qp(struct mlx5_ib_dev *dev,
int err;
uuari = &dev->mdev.priv.uuari;
- if (init_attr->create_flags)
+ if (init_attr->create_flags & ~IB_QP_CREATE_SIGNATURE_EN)
return -EINVAL;
if (init_attr->qp_type == MLX5_IB_QPT_REG_UMR)
@@ -801,6 +807,15 @@ static int create_qp_common(struct mlx5_ib_dev *dev, struct ib_pd *pd,
spin_lock_init(&qp->sq.lock);
spin_lock_init(&qp->rq.lock);
+ if (init_attr->create_flags & IB_QP_CREATE_BLOCK_MULTICAST_LOOPBACK) {
+ if (!(dev->mdev.caps.flags & MLX5_DEV_CAP_FLAG_BLOCK_MCAST)) {
+ mlx5_ib_dbg(dev, "block multicast loopback isn't supported\n");
+ return -EINVAL;
+ } else {
+ qp->flags |= MLX5_IB_QP_BLOCK_MULTICAST_LOOPBACK;
+ }
+ }
+
if (init_attr->sq_sig_type == IB_SIGNAL_ALL_WR)
qp->sq_signal_bits = MLX5_WQE_CTRL_CQ_UPDATE;
@@ -872,6 +887,9 @@ static int create_qp_common(struct mlx5_ib_dev *dev, struct ib_pd *pd,
if (qp->wq_sig)
in->ctx.flags_pd |= cpu_to_be32(MLX5_QP_ENABLE_SIG);
+ if (qp->flags & MLX5_IB_QP_BLOCK_MULTICAST_LOOPBACK)
+ in->ctx.flags_pd |= cpu_to_be32(MLX5_QP_BLOCK_MCAST);
+
if (qp->scat_cqe && is_connected(init_attr->qp_type)) {
int rcqe_sz;
int scqe_sz;
@@ -1771,6 +1789,27 @@ static __be64 frwr_mkey_mask(void)
return cpu_to_be64(result);
}
+static __be64 sig_mkey_mask(void)
+{
+ u64 result;
+
+ result = MLX5_MKEY_MASK_LEN |
+ MLX5_MKEY_MASK_PAGE_SIZE |
+ MLX5_MKEY_MASK_START_ADDR |
+ MLX5_MKEY_MASK_EN_SIGERR |
+ MLX5_MKEY_MASK_EN_RINVAL |
+ MLX5_MKEY_MASK_KEY |
+ MLX5_MKEY_MASK_LR |
+ MLX5_MKEY_MASK_LW |
+ MLX5_MKEY_MASK_RR |
+ MLX5_MKEY_MASK_RW |
+ MLX5_MKEY_MASK_SMALL_FENCE |
+ MLX5_MKEY_MASK_FREE |
+ MLX5_MKEY_MASK_BSF_EN;
+
+ return cpu_to_be64(result);
+}
+
static void set_frwr_umr_segment(struct mlx5_wqe_umr_ctrl_seg *umr,
struct ib_send_wr *wr, int li)
{
@@ -1826,7 +1865,7 @@ static u8 get_umr_flags(int acc)
(acc & IB_ACCESS_REMOTE_WRITE ? MLX5_PERM_REMOTE_WRITE : 0) |
(acc & IB_ACCESS_REMOTE_READ ? MLX5_PERM_REMOTE_READ : 0) |
(acc & IB_ACCESS_LOCAL_WRITE ? MLX5_PERM_LOCAL_WRITE : 0) |
- MLX5_PERM_LOCAL_READ | MLX5_PERM_UMR_EN | MLX5_ACCESS_MODE_MTT;
+ MLX5_PERM_LOCAL_READ | MLX5_PERM_UMR_EN;
}
static void set_mkey_segment(struct mlx5_mkey_seg *seg, struct ib_send_wr *wr,
@@ -1838,7 +1877,8 @@ static void set_mkey_segment(struct mlx5_mkey_seg *seg, struct ib_send_wr *wr,
return;
}
- seg->flags = get_umr_flags(wr->wr.fast_reg.access_flags);
+ seg->flags = get_umr_flags(wr->wr.fast_reg.access_flags) |
+ MLX5_ACCESS_MODE_MTT;
*writ = seg->flags & (MLX5_PERM_LOCAL_WRITE | IB_ACCESS_REMOTE_WRITE);
seg->qpn_mkey7_0 = cpu_to_be32((wr->wr.fast_reg.rkey & 0xff) | 0xffffff00);
seg->flags_pd = cpu_to_be32(MLX5_MKEY_REMOTE_INVAL);
@@ -1954,6 +1994,342 @@ static int set_data_inl_seg(struct mlx5_ib_qp *qp, struct ib_send_wr *wr,
return 0;
}
+static u16 prot_field_size(enum ib_signature_type type)
+{
+ switch (type) {
+ case IB_SIG_TYPE_T10_DIF:
+ return MLX5_DIF_SIZE;
+ default:
+ return 0;
+ }
+}
+
+static u8 bs_selector(int block_size)
+{
+ switch (block_size) {
+ case 512: return 0x1;
+ case 520: return 0x2;
+ case 4096: return 0x3;
+ case 4160: return 0x4;
+ case 1073741824: return 0x5;
+ default: return 0;
+ }
+}
+
+static int format_selector(struct ib_sig_attrs *attr,
+ struct ib_sig_domain *domain,
+ int *selector)
+{
+
+#define FORMAT_DIF_NONE 0
+#define FORMAT_DIF_CRC_INC 8
+#define FORMAT_DIF_CRC_NO_INC 12
+#define FORMAT_DIF_CSUM_INC 13
+#define FORMAT_DIF_CSUM_NO_INC 14
+
+ switch (domain->sig.dif.type) {
+ case IB_T10DIF_NONE:
+ /* No DIF */
+ *selector = FORMAT_DIF_NONE;
+ break;
+ case IB_T10DIF_TYPE1: /* Fall through */
+ case IB_T10DIF_TYPE2:
+ switch (domain->sig.dif.bg_type) {
+ case IB_T10DIF_CRC:
+ *selector = FORMAT_DIF_CRC_INC;
+ break;
+ case IB_T10DIF_CSUM:
+ *selector = FORMAT_DIF_CSUM_INC;
+ break;
+ default:
+ return 1;
+ }
+ break;
+ case IB_T10DIF_TYPE3:
+ switch (domain->sig.dif.bg_type) {
+ case IB_T10DIF_CRC:
+ *selector = domain->sig.dif.type3_inc_reftag ?
+ FORMAT_DIF_CRC_INC :
+ FORMAT_DIF_CRC_NO_INC;
+ break;
+ case IB_T10DIF_CSUM:
+ *selector = domain->sig.dif.type3_inc_reftag ?
+ FORMAT_DIF_CSUM_INC :
+ FORMAT_DIF_CSUM_NO_INC;
+ break;
+ default:
+ return 1;
+ }
+ break;
+ default:
+ return 1;
+ }
+
+ return 0;
+}
+
+static int mlx5_set_bsf(struct ib_mr *sig_mr,
+ struct ib_sig_attrs *sig_attrs,
+ struct mlx5_bsf *bsf, u32 data_size)
+{
+ struct mlx5_core_sig_ctx *msig = to_mmr(sig_mr)->sig;
+ struct mlx5_bsf_basic *basic = &bsf->basic;
+ struct ib_sig_domain *mem = &sig_attrs->mem;
+ struct ib_sig_domain *wire = &sig_attrs->wire;
+ int ret, selector;
+
+ switch (sig_attrs->mem.sig_type) {
+ case IB_SIG_TYPE_T10_DIF:
+ if (sig_attrs->wire.sig_type != IB_SIG_TYPE_T10_DIF)
+ return -EINVAL;
+
+ /* Input domain check byte mask */
+ basic->check_byte_mask = sig_attrs->check_mask;
+ if (mem->sig.dif.pi_interval == wire->sig.dif.pi_interval &&
+ mem->sig.dif.type == wire->sig.dif.type) {
+ /* Same block structure */
+ basic->bsf_size_sbs = 1 << 4;
+ if (mem->sig.dif.bg_type == wire->sig.dif.bg_type)
+ basic->wire.copy_byte_mask = 0xff;
+ else
+ basic->wire.copy_byte_mask = 0x3f;
+ } else
+ basic->wire.bs_selector = bs_selector(wire->sig.dif.pi_interval);
+
+ basic->mem.bs_selector = bs_selector(mem->sig.dif.pi_interval);
+ basic->raw_data_size = cpu_to_be32(data_size);
+
+ ret = format_selector(sig_attrs, mem, &selector);
+ if (ret)
+ return -EINVAL;
+ basic->m_bfs_psv = cpu_to_be32(selector << 24 |
+ msig->psv_memory.psv_idx);
+
+ ret = format_selector(sig_attrs, wire, &selector);
+ if (ret)
+ return -EINVAL;
+ basic->w_bfs_psv = cpu_to_be32(selector << 24 |
+ msig->psv_wire.psv_idx);
+ break;
+
+ default:
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static int set_sig_data_segment(struct ib_send_wr *wr, struct mlx5_ib_qp *qp,
+ void **seg, int *size)
+{
+ struct ib_sig_attrs *sig_attrs = wr->wr.sig_handover.sig_attrs;
+ struct ib_mr *sig_mr = wr->wr.sig_handover.sig_mr;
+ struct mlx5_bsf *bsf;
+ u32 data_len = wr->sg_list->length;
+ u32 data_key = wr->sg_list->lkey;
+ u64 data_va = wr->sg_list->addr;
+ int ret;
+ int wqe_size;
+
+ if (!wr->wr.sig_handover.prot) {
+ /**
+ * Source domain doesn't contain signature information
+ * So need construct:
+ * ------------------
+ * | data_klm |
+ * ------------------
+ * | BSF |
+ * ------------------
+ **/
+ struct mlx5_klm *data_klm = *seg;
+
+ data_klm->bcount = cpu_to_be32(data_len);
+ data_klm->key = cpu_to_be32(data_key);
+ data_klm->va = cpu_to_be64(data_va);
+ wqe_size = ALIGN(sizeof(*data_klm), 64);
+ } else {
+ /**
+ * Source domain contains signature information
+ * So need construct a strided block format:
+ * ---------------------------
+ * | stride_block_ctrl |
+ * ---------------------------
+ * | data_klm |
+ * ---------------------------
+ * | prot_klm |
+ * ---------------------------
+ * | BSF |
+ * ---------------------------
+ **/
+ struct mlx5_stride_block_ctrl_seg *sblock_ctrl;
+ struct mlx5_stride_block_entry *data_sentry;
+ struct mlx5_stride_block_entry *prot_sentry;
+ u32 prot_key = wr->wr.sig_handover.prot->lkey;
+ u64 prot_va = wr->wr.sig_handover.prot->addr;
+ u16 block_size = sig_attrs->mem.sig.dif.pi_interval;
+ int prot_size;
+
+ sblock_ctrl = *seg;
+ data_sentry = (void *)sblock_ctrl + sizeof(*sblock_ctrl);
+ prot_sentry = (void *)data_sentry + sizeof(*data_sentry);
+
+ prot_size = prot_field_size(sig_attrs->mem.sig_type);
+ if (!prot_size) {
+ pr_err("Bad block size given: %u\n", block_size);
+ return -EINVAL;
+ }
+ sblock_ctrl->bcount_per_cycle = cpu_to_be32(block_size +
+ prot_size);
+ sblock_ctrl->op = cpu_to_be32(MLX5_STRIDE_BLOCK_OP);
+ sblock_ctrl->repeat_count = cpu_to_be32(data_len / block_size);
+ sblock_ctrl->num_entries = cpu_to_be16(2);
+
+ data_sentry->bcount = cpu_to_be16(block_size);
+ data_sentry->key = cpu_to_be32(data_key);
+ data_sentry->va = cpu_to_be64(data_va);
+ prot_sentry->bcount = cpu_to_be16(prot_size);
+ prot_sentry->key = cpu_to_be32(prot_key);
+
+ if (prot_key == data_key && prot_va == data_va) {
+ /**
+ * The data and protection are interleaved
+ * in a single memory region
+ **/
+ prot_sentry->va = cpu_to_be64(data_va + block_size);
+ prot_sentry->stride = cpu_to_be16(block_size + prot_size);
+ data_sentry->stride = prot_sentry->stride;
+ } else {
+ /* The data and protection are two different buffers */
+ prot_sentry->va = cpu_to_be64(prot_va);
+ data_sentry->stride = cpu_to_be16(block_size);
+ prot_sentry->stride = cpu_to_be16(prot_size);
+ }
+ wqe_size = ALIGN(sizeof(*sblock_ctrl) + sizeof(*data_sentry) +
+ sizeof(*prot_sentry), 64);
+ }
+
+ *seg += wqe_size;
+ *size += wqe_size / 16;
+ if (unlikely((*seg == qp->sq.qend)))
+ *seg = mlx5_get_send_wqe(qp, 0);
+
+ bsf = *seg;
+ ret = mlx5_set_bsf(sig_mr, sig_attrs, bsf, data_len);
+ if (ret)
+ return -EINVAL;
+
+ *seg += sizeof(*bsf);
+ *size += sizeof(*bsf) / 16;
+ if (unlikely((*seg == qp->sq.qend)))
+ *seg = mlx5_get_send_wqe(qp, 0);
+
+ return 0;
+}
+
+static void set_sig_mkey_segment(struct mlx5_mkey_seg *seg,
+ struct ib_send_wr *wr, u32 nelements,
+ u32 length, u32 pdn)
+{
+ struct ib_mr *sig_mr = wr->wr.sig_handover.sig_mr;
+ u32 sig_key = sig_mr->rkey;
+ u8 sigerr = to_mmr(sig_mr)->sig->sigerr_count & 1;
+
+ memset(seg, 0, sizeof(*seg));
+
+ seg->flags = get_umr_flags(wr->wr.sig_handover.access_flags) |
+ MLX5_ACCESS_MODE_KLM;
+ seg->qpn_mkey7_0 = cpu_to_be32((sig_key & 0xff) | 0xffffff00);
+ seg->flags_pd = cpu_to_be32(MLX5_MKEY_REMOTE_INVAL | sigerr << 26 |
+ MLX5_MKEY_BSF_EN | pdn);
+ seg->len = cpu_to_be64(length);
+ seg->xlt_oct_size = cpu_to_be32(be16_to_cpu(get_klm_octo(nelements)));
+ seg->bsfs_octo_size = cpu_to_be32(MLX5_MKEY_BSF_OCTO_SIZE);
+}
+
+static void set_sig_umr_segment(struct mlx5_wqe_umr_ctrl_seg *umr,
+ struct ib_send_wr *wr, u32 nelements)
+{
+ memset(umr, 0, sizeof(*umr));
+
+ umr->flags = MLX5_FLAGS_INLINE | MLX5_FLAGS_CHECK_FREE;
+ umr->klm_octowords = get_klm_octo(nelements);
+ umr->bsf_octowords = cpu_to_be16(MLX5_MKEY_BSF_OCTO_SIZE);
+ umr->mkey_mask = sig_mkey_mask();
+}
+
+
+static int set_sig_umr_wr(struct ib_send_wr *wr, struct mlx5_ib_qp *qp,
+ void **seg, int *size)
+{
+ struct mlx5_ib_mr *sig_mr = to_mmr(wr->wr.sig_handover.sig_mr);
+ u32 pdn = get_pd(qp)->pdn;
+ u32 klm_oct_size;
+ int region_len, ret;
+
+ if (unlikely(wr->num_sge != 1) ||
+ unlikely(wr->wr.sig_handover.access_flags &
+ IB_ACCESS_REMOTE_ATOMIC) ||
+ unlikely(!sig_mr->sig) || unlikely(!qp->signature_en) ||
+ unlikely(!sig_mr->sig->sig_status_checked))
+ return -EINVAL;
+
+ /* length of the protected region, data + protection */
+ region_len = wr->sg_list->length;
+ if (wr->wr.sig_handover.prot)
+ region_len += wr->wr.sig_handover.prot->length;
+
+ /**
+ * KLM octoword size - if protection was provided
+ * then we use strided block format (3 octowords),
+ * else we use single KLM (1 octoword)
+ **/
+ klm_oct_size = wr->wr.sig_handover.prot ? 3 : 1;
+
+ set_sig_umr_segment(*seg, wr, klm_oct_size);
+ *seg += sizeof(struct mlx5_wqe_umr_ctrl_seg);
+ *size += sizeof(struct mlx5_wqe_umr_ctrl_seg) / 16;
+ if (unlikely((*seg == qp->sq.qend)))
+ *seg = mlx5_get_send_wqe(qp, 0);
+
+ set_sig_mkey_segment(*seg, wr, klm_oct_size, region_len, pdn);
+ *seg += sizeof(struct mlx5_mkey_seg);
+ *size += sizeof(struct mlx5_mkey_seg) / 16;
+ if (unlikely((*seg == qp->sq.qend)))
+ *seg = mlx5_get_send_wqe(qp, 0);
+
+ ret = set_sig_data_segment(wr, qp, seg, size);
+ if (ret)
+ return ret;
+
+ sig_mr->sig->sig_status_checked = false;
+ return 0;
+}
+
+static int set_psv_wr(struct ib_sig_domain *domain,
+ u32 psv_idx, void **seg, int *size)
+{
+ struct mlx5_seg_set_psv *psv_seg = *seg;
+
+ memset(psv_seg, 0, sizeof(*psv_seg));
+ psv_seg->psv_num = cpu_to_be32(psv_idx);
+ switch (domain->sig_type) {
+ case IB_SIG_TYPE_T10_DIF:
+ psv_seg->transient_sig = cpu_to_be32(domain->sig.dif.bg << 16 |
+ domain->sig.dif.app_tag);
+ psv_seg->ref_tag = cpu_to_be32(domain->sig.dif.ref_tag);
+
+ *seg += sizeof(*psv_seg);
+ *size += sizeof(*psv_seg) / 16;
+ break;
+
+ default:
+ pr_err("Bad signature type given.\n");
+ return 1;
+ }
+
+ return 0;
+}
+
static int set_frwr_li_wr(void **seg, struct ib_send_wr *wr, int *size,
struct mlx5_core_dev *mdev, struct mlx5_ib_pd *pd, struct mlx5_ib_qp *qp)
{
@@ -2041,6 +2417,59 @@ static u8 get_fence(u8 fence, struct ib_send_wr *wr)
}
}
+static int begin_wqe(struct mlx5_ib_qp *qp, void **seg,
+ struct mlx5_wqe_ctrl_seg **ctrl,
+ struct ib_send_wr *wr, int *idx,
+ int *size, int nreq)
+{
+ int err = 0;
+
+ if (unlikely(mlx5_wq_overflow(&qp->sq, nreq, qp->ibqp.send_cq))) {
+ err = -ENOMEM;
+ return err;
+ }
+
+ *idx = qp->sq.cur_post & (qp->sq.wqe_cnt - 1);
+ *seg = mlx5_get_send_wqe(qp, *idx);
+ *ctrl = *seg;
+ *(uint32_t *)(*seg + 8) = 0;
+ (*ctrl)->imm = send_ieth(wr);
+ (*ctrl)->fm_ce_se = qp->sq_signal_bits |
+ (wr->send_flags & IB_SEND_SIGNALED ?
+ MLX5_WQE_CTRL_CQ_UPDATE : 0) |
+ (wr->send_flags & IB_SEND_SOLICITED ?
+ MLX5_WQE_CTRL_SOLICITED : 0);
+
+ *seg += sizeof(**ctrl);
+ *size = sizeof(**ctrl) / 16;
+
+ return err;
+}
+
+static void finish_wqe(struct mlx5_ib_qp *qp,
+ struct mlx5_wqe_ctrl_seg *ctrl,
+ u8 size, unsigned idx, u64 wr_id,
+ int nreq, u8 fence, u8 next_fence,
+ u32 mlx5_opcode)
+{
+ u8 opmod = 0;
+
+ ctrl->opmod_idx_opcode = cpu_to_be32(((u32)(qp->sq.cur_post) << 8) |
+ mlx5_opcode | ((u32)opmod << 24));
+ ctrl->qpn_ds = cpu_to_be32(size | (qp->mqp.qpn << 8));
+ ctrl->fm_ce_se |= fence;
+ qp->fm_cache = next_fence;
+ if (unlikely(qp->wq_sig))
+ ctrl->signature = wq_sig(ctrl);
+
+ qp->sq.wrid[idx] = wr_id;
+ qp->sq.w_list[idx].opcode = mlx5_opcode;
+ qp->sq.wqe_head[idx] = qp->sq.head + nreq;
+ qp->sq.cur_post += DIV_ROUND_UP(size * 16, MLX5_SEND_WQE_BB);
+ qp->sq.w_list[idx].next = qp->sq.cur_post;
+}
+
+
int mlx5_ib_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr,
struct ib_send_wr **bad_wr)
{
@@ -2048,13 +2477,13 @@ int mlx5_ib_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr,
struct mlx5_ib_dev *dev = to_mdev(ibqp->device);
struct mlx5_core_dev *mdev = &dev->mdev;
struct mlx5_ib_qp *qp = to_mqp(ibqp);
+ struct mlx5_ib_mr *mr;
struct mlx5_wqe_data_seg *dpseg;
struct mlx5_wqe_xrc_seg *xrc;
struct mlx5_bf *bf = qp->bf;
int uninitialized_var(size);
void *qend = qp->sq.qend;
unsigned long flags;
- u32 mlx5_opcode;
unsigned idx;
int err = 0;
int inl = 0;
@@ -2063,7 +2492,6 @@ int mlx5_ib_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr,
int nreq;
int i;
u8 next_fence = 0;
- u8 opmod = 0;
u8 fence;
spin_lock_irqsave(&qp->sq.lock, flags);
@@ -2076,36 +2504,23 @@ int mlx5_ib_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr,
goto out;
}
- if (unlikely(mlx5_wq_overflow(&qp->sq, nreq, qp->ibqp.send_cq))) {
+ fence = qp->fm_cache;
+ num_sge = wr->num_sge;
+ if (unlikely(num_sge > qp->sq.max_gs)) {
mlx5_ib_warn(dev, "\n");
err = -ENOMEM;
*bad_wr = wr;
goto out;
}
- fence = qp->fm_cache;
- num_sge = wr->num_sge;
- if (unlikely(num_sge > qp->sq.max_gs)) {
+ err = begin_wqe(qp, &seg, &ctrl, wr, &idx, &size, nreq);
+ if (err) {
mlx5_ib_warn(dev, "\n");
err = -ENOMEM;
*bad_wr = wr;
goto out;
}
- idx = qp->sq.cur_post & (qp->sq.wqe_cnt - 1);
- seg = mlx5_get_send_wqe(qp, idx);
- ctrl = seg;
- *(uint32_t *)(seg + 8) = 0;
- ctrl->imm = send_ieth(wr);
- ctrl->fm_ce_se = qp->sq_signal_bits |
- (wr->send_flags & IB_SEND_SIGNALED ?
- MLX5_WQE_CTRL_CQ_UPDATE : 0) |
- (wr->send_flags & IB_SEND_SOLICITED ?
- MLX5_WQE_CTRL_SOLICITED : 0);
-
- seg += sizeof(*ctrl);
- size = sizeof(*ctrl) / 16;
-
switch (ibqp->qp_type) {
case IB_QPT_XRC_INI:
xrc = seg;
@@ -2158,6 +2573,73 @@ int mlx5_ib_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr,
num_sge = 0;
break;
+ case IB_WR_REG_SIG_MR:
+ qp->sq.wr_data[idx] = IB_WR_REG_SIG_MR;
+ mr = to_mmr(wr->wr.sig_handover.sig_mr);
+
+ ctrl->imm = cpu_to_be32(mr->ibmr.rkey);
+ err = set_sig_umr_wr(wr, qp, &seg, &size);
+ if (err) {
+ mlx5_ib_warn(dev, "\n");
+ *bad_wr = wr;
+ goto out;
+ }
+
+ finish_wqe(qp, ctrl, size, idx, wr->wr_id,
+ nreq, get_fence(fence, wr),
+ next_fence, MLX5_OPCODE_UMR);
+ /*
+ * SET_PSV WQEs are not signaled and solicited
+ * on error
+ */
+ wr->send_flags &= ~IB_SEND_SIGNALED;
+ wr->send_flags |= IB_SEND_SOLICITED;
+ err = begin_wqe(qp, &seg, &ctrl, wr,
+ &idx, &size, nreq);
+ if (err) {
+ mlx5_ib_warn(dev, "\n");
+ err = -ENOMEM;
+ *bad_wr = wr;
+ goto out;
+ }
+
+ err = set_psv_wr(&wr->wr.sig_handover.sig_attrs->mem,
+ mr->sig->psv_memory.psv_idx, &seg,
+ &size);
+ if (err) {
+ mlx5_ib_warn(dev, "\n");
+ *bad_wr = wr;
+ goto out;
+ }
+
+ finish_wqe(qp, ctrl, size, idx, wr->wr_id,
+ nreq, get_fence(fence, wr),
+ next_fence, MLX5_OPCODE_SET_PSV);
+ err = begin_wqe(qp, &seg, &ctrl, wr,
+ &idx, &size, nreq);
+ if (err) {
+ mlx5_ib_warn(dev, "\n");
+ err = -ENOMEM;
+ *bad_wr = wr;
+ goto out;
+ }
+
+ next_fence = MLX5_FENCE_MODE_INITIATOR_SMALL;
+ err = set_psv_wr(&wr->wr.sig_handover.sig_attrs->wire,
+ mr->sig->psv_wire.psv_idx, &seg,
+ &size);
+ if (err) {
+ mlx5_ib_warn(dev, "\n");
+ *bad_wr = wr;
+ goto out;
+ }
+
+ finish_wqe(qp, ctrl, size, idx, wr->wr_id,
+ nreq, get_fence(fence, wr),
+ next_fence, MLX5_OPCODE_SET_PSV);
+ num_sge = 0;
+ goto skip_psv;
+
default:
break;
}
@@ -2238,22 +2720,10 @@ int mlx5_ib_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr,
}
}
- mlx5_opcode = mlx5_ib_opcode[wr->opcode];
- ctrl->opmod_idx_opcode = cpu_to_be32(((u32)(qp->sq.cur_post) << 8) |
- mlx5_opcode |
- ((u32)opmod << 24));
- ctrl->qpn_ds = cpu_to_be32(size | (qp->mqp.qpn << 8));
- ctrl->fm_ce_se |= get_fence(fence, wr);
- qp->fm_cache = next_fence;
- if (unlikely(qp->wq_sig))
- ctrl->signature = wq_sig(ctrl);
-
- qp->sq.wrid[idx] = wr->wr_id;
- qp->sq.w_list[idx].opcode = mlx5_opcode;
- qp->sq.wqe_head[idx] = qp->sq.head + nreq;
- qp->sq.cur_post += DIV_ROUND_UP(size * 16, MLX5_SEND_WQE_BB);
- qp->sq.w_list[idx].next = qp->sq.cur_post;
-
+ finish_wqe(qp, ctrl, size, idx, wr->wr_id, nreq,
+ get_fence(fence, wr), next_fence,
+ mlx5_ib_opcode[wr->opcode]);
+skip_psv:
if (0)
dump_wqe(qp, idx, size);
}