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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.c227
1 files changed, 115 insertions, 112 deletions
diff --git a/drivers/infiniband/hw/mlx5/qp.c b/drivers/infiniband/hw/mlx5/qp.c
index 6f521a3418e8..307bdbca8938 100644
--- a/drivers/infiniband/hw/mlx5/qp.c
+++ b/drivers/infiniband/hw/mlx5/qp.c
@@ -64,7 +64,7 @@ static const u32 mlx5_ib_opcode[] = {
[IB_WR_ATOMIC_FETCH_AND_ADD] = MLX5_OPCODE_ATOMIC_FA,
[IB_WR_SEND_WITH_INV] = MLX5_OPCODE_SEND_INVAL,
[IB_WR_LOCAL_INV] = MLX5_OPCODE_UMR,
- [IB_WR_FAST_REG_MR] = MLX5_OPCODE_UMR,
+ [IB_WR_REG_MR] = MLX5_OPCODE_UMR,
[IB_WR_MASKED_ATOMIC_CMP_AND_SWP] = MLX5_OPCODE_ATOMIC_MASKED_CS,
[IB_WR_MASKED_ATOMIC_FETCH_AND_ADD] = MLX5_OPCODE_ATOMIC_MASKED_FA,
[MLX5_IB_WR_UMR] = MLX5_OPCODE_UMR,
@@ -1838,9 +1838,9 @@ static __always_inline void set_raddr_seg(struct mlx5_wqe_raddr_seg *rseg,
static void set_datagram_seg(struct mlx5_wqe_datagram_seg *dseg,
struct ib_send_wr *wr)
{
- memcpy(&dseg->av, &to_mah(wr->wr.ud.ah)->av, sizeof(struct mlx5_av));
- dseg->av.dqp_dct = cpu_to_be32(wr->wr.ud.remote_qpn | MLX5_EXTENDED_UD_AV);
- dseg->av.key.qkey.qkey = cpu_to_be32(wr->wr.ud.remote_qkey);
+ memcpy(&dseg->av, &to_mah(ud_wr(wr)->ah)->av, sizeof(struct mlx5_av));
+ dseg->av.dqp_dct = cpu_to_be32(ud_wr(wr)->remote_qpn | MLX5_EXTENDED_UD_AV);
+ dseg->av.key.qkey.qkey = cpu_to_be32(ud_wr(wr)->remote_qkey);
}
static void set_data_ptr_seg(struct mlx5_wqe_data_seg *dseg, struct ib_sge *sg)
@@ -1896,22 +1896,24 @@ static __be64 sig_mkey_mask(void)
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)
+static void set_reg_umr_seg(struct mlx5_wqe_umr_ctrl_seg *umr,
+ struct mlx5_ib_mr *mr)
{
- memset(umr, 0, sizeof(*umr));
-
- if (li) {
- umr->mkey_mask = cpu_to_be64(MLX5_MKEY_MASK_FREE);
- umr->flags = 1 << 7;
- return;
- }
+ int ndescs = mr->ndescs;
- umr->flags = (1 << 5); /* fail if not free */
- umr->klm_octowords = get_klm_octo(wr->wr.fast_reg.page_list_len);
+ memset(umr, 0, sizeof(*umr));
+ umr->flags = MLX5_UMR_CHECK_NOT_FREE;
+ umr->klm_octowords = get_klm_octo(ndescs);
umr->mkey_mask = frwr_mkey_mask();
}
+static void set_linv_umr_seg(struct mlx5_wqe_umr_ctrl_seg *umr)
+{
+ memset(umr, 0, sizeof(*umr));
+ umr->mkey_mask = cpu_to_be64(MLX5_MKEY_MASK_FREE);
+ umr->flags = 1 << 7;
+}
+
static __be64 get_umr_reg_mr_mask(void)
{
u64 result;
@@ -1952,7 +1954,7 @@ static __be64 get_umr_update_mtt_mask(void)
static void set_reg_umr_segment(struct mlx5_wqe_umr_ctrl_seg *umr,
struct ib_send_wr *wr)
{
- struct mlx5_umr_wr *umrwr = (struct mlx5_umr_wr *)&wr->wr.fast_reg;
+ struct mlx5_umr_wr *umrwr = umr_wr(wr);
memset(umr, 0, sizeof(*umr));
@@ -1987,29 +1989,31 @@ static u8 get_umr_flags(int acc)
MLX5_PERM_LOCAL_READ | MLX5_PERM_UMR_EN;
}
-static void set_mkey_segment(struct mlx5_mkey_seg *seg, struct ib_send_wr *wr,
- int li, int *writ)
+static void set_reg_mkey_seg(struct mlx5_mkey_seg *seg,
+ struct mlx5_ib_mr *mr,
+ u32 key, int access)
{
- memset(seg, 0, sizeof(*seg));
- if (li) {
- seg->status = MLX5_MKEY_STATUS_FREE;
- return;
- }
+ int ndescs = ALIGN(mr->ndescs, 8) >> 1;
- 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);
+ memset(seg, 0, sizeof(*seg));
+ seg->flags = get_umr_flags(access) | MLX5_ACCESS_MODE_MTT;
+ seg->qpn_mkey7_0 = cpu_to_be32((key & 0xff) | 0xffffff00);
seg->flags_pd = cpu_to_be32(MLX5_MKEY_REMOTE_INVAL);
- seg->start_addr = cpu_to_be64(wr->wr.fast_reg.iova_start);
- seg->len = cpu_to_be64(wr->wr.fast_reg.length);
- seg->xlt_oct_size = cpu_to_be32((wr->wr.fast_reg.page_list_len + 1) / 2);
- seg->log2_page_size = wr->wr.fast_reg.page_shift;
+ seg->start_addr = cpu_to_be64(mr->ibmr.iova);
+ seg->len = cpu_to_be64(mr->ibmr.length);
+ seg->xlt_oct_size = cpu_to_be32(ndescs);
+ seg->log2_page_size = ilog2(mr->ibmr.page_size);
+}
+
+static void set_linv_mkey_seg(struct mlx5_mkey_seg *seg)
+{
+ memset(seg, 0, sizeof(*seg));
+ seg->status = MLX5_MKEY_STATUS_FREE;
}
static void set_reg_mkey_segment(struct mlx5_mkey_seg *seg, struct ib_send_wr *wr)
{
- struct mlx5_umr_wr *umrwr = (struct mlx5_umr_wr *)&wr->wr.fast_reg;
+ struct mlx5_umr_wr *umrwr = umr_wr(wr);
memset(seg, 0, sizeof(*seg));
if (wr->send_flags & MLX5_IB_SEND_UMR_UNREG) {
@@ -2028,21 +2032,14 @@ static void set_reg_mkey_segment(struct mlx5_mkey_seg *seg, struct ib_send_wr *w
mlx5_mkey_variant(umrwr->mkey));
}
-static void set_frwr_pages(struct mlx5_wqe_data_seg *dseg,
- struct ib_send_wr *wr,
- struct mlx5_core_dev *mdev,
- struct mlx5_ib_pd *pd,
- int writ)
+static void set_reg_data_seg(struct mlx5_wqe_data_seg *dseg,
+ struct mlx5_ib_mr *mr,
+ struct mlx5_ib_pd *pd)
{
- struct mlx5_ib_fast_reg_page_list *mfrpl = to_mfrpl(wr->wr.fast_reg.page_list);
- u64 *page_list = wr->wr.fast_reg.page_list->page_list;
- u64 perm = MLX5_EN_RD | (writ ? MLX5_EN_WR : 0);
- int i;
+ int bcount = mr->desc_size * mr->ndescs;
- for (i = 0; i < wr->wr.fast_reg.page_list_len; i++)
- mfrpl->mapped_page_list[i] = cpu_to_be64(page_list[i] | perm);
- dseg->addr = cpu_to_be64(mfrpl->map);
- dseg->byte_count = cpu_to_be32(ALIGN(sizeof(u64) * wr->wr.fast_reg.page_list_len, 64));
+ dseg->addr = cpu_to_be64(mr->desc_map);
+ dseg->byte_count = cpu_to_be32(ALIGN(bcount, 64));
dseg->lkey = cpu_to_be32(pd->ibpd.local_dma_lkey);
}
@@ -2224,22 +2221,22 @@ static int mlx5_set_bsf(struct ib_mr *sig_mr,
return 0;
}
-static int set_sig_data_segment(struct ib_send_wr *wr, struct mlx5_ib_qp *qp,
- void **seg, int *size)
+static int set_sig_data_segment(struct ib_sig_handover_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 ib_sig_attrs *sig_attrs = wr->sig_attrs;
+ struct ib_mr *sig_mr = wr->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;
+ u32 data_len = wr->wr.sg_list->length;
+ u32 data_key = wr->wr.sg_list->lkey;
+ u64 data_va = wr->wr.sg_list->addr;
int ret;
int wqe_size;
- if (!wr->wr.sig_handover.prot ||
- (data_key == wr->wr.sig_handover.prot->lkey &&
- data_va == wr->wr.sig_handover.prot->addr &&
- data_len == wr->wr.sig_handover.prot->length)) {
+ if (!wr->prot ||
+ (data_key == wr->prot->lkey &&
+ data_va == wr->prot->addr &&
+ data_len == wr->prot->length)) {
/**
* Source domain doesn't contain signature information
* or data and protection are interleaved in memory.
@@ -2273,8 +2270,8 @@ static int set_sig_data_segment(struct ib_send_wr *wr, struct mlx5_ib_qp *qp,
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;
+ u32 prot_key = wr->prot->lkey;
+ u64 prot_va = wr->prot->addr;
u16 block_size = sig_attrs->mem.sig.dif.pi_interval;
int prot_size;
@@ -2326,16 +2323,16 @@ static int set_sig_data_segment(struct ib_send_wr *wr, struct mlx5_ib_qp *qp,
}
static void set_sig_mkey_segment(struct mlx5_mkey_seg *seg,
- struct ib_send_wr *wr, u32 nelements,
+ struct ib_sig_handover_wr *wr, u32 nelements,
u32 length, u32 pdn)
{
- struct ib_mr *sig_mr = wr->wr.sig_handover.sig_mr;
+ struct ib_mr *sig_mr = wr->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) |
+ seg->flags = get_umr_flags(wr->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 |
@@ -2346,7 +2343,7 @@ static void set_sig_mkey_segment(struct mlx5_mkey_seg *seg,
}
static void set_sig_umr_segment(struct mlx5_wqe_umr_ctrl_seg *umr,
- struct ib_send_wr *wr, u32 nelements)
+ u32 nelements)
{
memset(umr, 0, sizeof(*umr));
@@ -2357,37 +2354,37 @@ static void set_sig_umr_segment(struct mlx5_wqe_umr_ctrl_seg *umr,
}
-static int set_sig_umr_wr(struct ib_send_wr *wr, struct mlx5_ib_qp *qp,
+static int set_sig_umr_wr(struct ib_send_wr *send_wr, struct mlx5_ib_qp *qp,
void **seg, int *size)
{
- struct mlx5_ib_mr *sig_mr = to_mmr(wr->wr.sig_handover.sig_mr);
+ struct ib_sig_handover_wr *wr = sig_handover_wr(send_wr);
+ struct mlx5_ib_mr *sig_mr = to_mmr(wr->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) ||
+ if (unlikely(wr->wr.num_sge != 1) ||
+ unlikely(wr->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 &&
- (wr->wr.sig_handover.prot->lkey != wr->sg_list->lkey ||
- wr->wr.sig_handover.prot->addr != wr->sg_list->addr ||
- wr->wr.sig_handover.prot->length != wr->sg_list->length))
- region_len += wr->wr.sig_handover.prot->length;
+ region_len = wr->wr.sg_list->length;
+ if (wr->prot &&
+ (wr->prot->lkey != wr->wr.sg_list->lkey ||
+ wr->prot->addr != wr->wr.sg_list->addr ||
+ wr->prot->length != wr->wr.sg_list->length))
+ region_len += wr->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;
+ klm_oct_size = wr->prot ? 3 : 1;
- set_sig_umr_segment(*seg, wr, klm_oct_size);
+ set_sig_umr_segment(*seg, 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)))
@@ -2433,38 +2430,52 @@ static int set_psv_wr(struct ib_sig_domain *domain,
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)
+static int set_reg_wr(struct mlx5_ib_qp *qp,
+ struct ib_reg_wr *wr,
+ void **seg, int *size)
{
- int writ = 0;
- int li;
+ struct mlx5_ib_mr *mr = to_mmr(wr->mr);
+ struct mlx5_ib_pd *pd = to_mpd(qp->ibqp.pd);
- li = wr->opcode == IB_WR_LOCAL_INV ? 1 : 0;
- if (unlikely(wr->send_flags & IB_SEND_INLINE))
+ if (unlikely(wr->wr.send_flags & IB_SEND_INLINE)) {
+ mlx5_ib_warn(to_mdev(qp->ibqp.device),
+ "Invalid IB_SEND_INLINE send flag\n");
return -EINVAL;
+ }
- set_frwr_umr_segment(*seg, wr, li);
+ set_reg_umr_seg(*seg, mr);
*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_mkey_segment(*seg, wr, li, &writ);
+
+ set_reg_mkey_seg(*seg, mr, wr->key, wr->access);
*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);
- if (!li) {
- if (unlikely(wr->wr.fast_reg.page_list_len >
- wr->wr.fast_reg.page_list->max_page_list_len))
- return -ENOMEM;
- set_frwr_pages(*seg, wr, mdev, pd, writ);
- *seg += sizeof(struct mlx5_wqe_data_seg);
- *size += (sizeof(struct mlx5_wqe_data_seg) / 16);
- }
+ set_reg_data_seg(*seg, mr, pd);
+ *seg += sizeof(struct mlx5_wqe_data_seg);
+ *size += (sizeof(struct mlx5_wqe_data_seg) / 16);
+
return 0;
}
+static void set_linv_wr(struct mlx5_ib_qp *qp, void **seg, int *size)
+{
+ set_linv_umr_seg(*seg);
+ *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_linv_mkey_seg(*seg);
+ *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);
+}
+
static void dump_wqe(struct mlx5_ib_qp *qp, int idx, int size_16)
{
__be32 *p = NULL;
@@ -2578,7 +2589,6 @@ int mlx5_ib_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr,
{
struct mlx5_wqe_ctrl_seg *ctrl = NULL; /* compiler warning */
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;
@@ -2627,7 +2637,6 @@ int mlx5_ib_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr,
switch (ibqp->qp_type) {
case IB_QPT_XRC_INI:
xrc = seg;
- xrc->xrc_srqn = htonl(wr->xrc_remote_srq_num);
seg += sizeof(*xrc);
size += sizeof(*xrc) / 16;
/* fall through */
@@ -2636,8 +2645,8 @@ int mlx5_ib_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr,
case IB_WR_RDMA_READ:
case IB_WR_RDMA_WRITE:
case IB_WR_RDMA_WRITE_WITH_IMM:
- set_raddr_seg(seg, wr->wr.rdma.remote_addr,
- wr->wr.rdma.rkey);
+ set_raddr_seg(seg, rdma_wr(wr)->remote_addr,
+ rdma_wr(wr)->rkey);
seg += sizeof(struct mlx5_wqe_raddr_seg);
size += sizeof(struct mlx5_wqe_raddr_seg) / 16;
break;
@@ -2654,22 +2663,16 @@ int mlx5_ib_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr,
next_fence = MLX5_FENCE_MODE_INITIATOR_SMALL;
qp->sq.wr_data[idx] = IB_WR_LOCAL_INV;
ctrl->imm = cpu_to_be32(wr->ex.invalidate_rkey);
- err = set_frwr_li_wr(&seg, wr, &size, mdev, to_mpd(ibqp->pd), qp);
- if (err) {
- mlx5_ib_warn(dev, "\n");
- *bad_wr = wr;
- goto out;
- }
+ set_linv_wr(qp, &seg, &size);
num_sge = 0;
break;
- case IB_WR_FAST_REG_MR:
+ case IB_WR_REG_MR:
next_fence = MLX5_FENCE_MODE_INITIATOR_SMALL;
- qp->sq.wr_data[idx] = IB_WR_FAST_REG_MR;
- ctrl->imm = cpu_to_be32(wr->wr.fast_reg.rkey);
- err = set_frwr_li_wr(&seg, wr, &size, mdev, to_mpd(ibqp->pd), qp);
+ qp->sq.wr_data[idx] = IB_WR_REG_MR;
+ ctrl->imm = cpu_to_be32(reg_wr(wr)->key);
+ err = set_reg_wr(qp, reg_wr(wr), &seg, &size);
if (err) {
- mlx5_ib_warn(dev, "\n");
*bad_wr = wr;
goto out;
}
@@ -2678,7 +2681,7 @@ int mlx5_ib_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr,
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);
+ mr = to_mmr(sig_handover_wr(wr)->sig_mr);
ctrl->imm = cpu_to_be32(mr->ibmr.rkey);
err = set_sig_umr_wr(wr, qp, &seg, &size);
@@ -2706,7 +2709,7 @@ int mlx5_ib_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr,
goto out;
}
- err = set_psv_wr(&wr->wr.sig_handover.sig_attrs->mem,
+ err = set_psv_wr(&sig_handover_wr(wr)->sig_attrs->mem,
mr->sig->psv_memory.psv_idx, &seg,
&size);
if (err) {
@@ -2728,7 +2731,7 @@ int mlx5_ib_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr,
}
next_fence = MLX5_FENCE_MODE_INITIATOR_SMALL;
- err = set_psv_wr(&wr->wr.sig_handover.sig_attrs->wire,
+ err = set_psv_wr(&sig_handover_wr(wr)->sig_attrs->wire,
mr->sig->psv_wire.psv_idx, &seg,
&size);
if (err) {
@@ -2752,8 +2755,8 @@ int mlx5_ib_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr,
switch (wr->opcode) {
case IB_WR_RDMA_WRITE:
case IB_WR_RDMA_WRITE_WITH_IMM:
- set_raddr_seg(seg, wr->wr.rdma.remote_addr,
- wr->wr.rdma.rkey);
+ set_raddr_seg(seg, rdma_wr(wr)->remote_addr,
+ rdma_wr(wr)->rkey);
seg += sizeof(struct mlx5_wqe_raddr_seg);
size += sizeof(struct mlx5_wqe_raddr_seg) / 16;
break;
@@ -2780,7 +2783,7 @@ int mlx5_ib_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr,
goto out;
}
qp->sq.wr_data[idx] = MLX5_IB_WR_UMR;
- ctrl->imm = cpu_to_be32(wr->wr.fast_reg.rkey);
+ ctrl->imm = cpu_to_be32(umr_wr(wr)->mkey);
set_reg_umr_segment(seg, wr);
seg += sizeof(struct mlx5_wqe_umr_ctrl_seg);
size += sizeof(struct mlx5_wqe_umr_ctrl_seg) / 16;