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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-18 18:50:12 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-18 18:50:12 +0000
commit8665bd53f2f2e27e5511d90428cb3f60e6d0ce15 (patch)
tree8d58900dc0ebd4a3011f92c128d2fe45bc7c4bf2 /drivers/infiniband
parentAdding debian version 6.7.12-1. (diff)
downloadlinux-8665bd53f2f2e27e5511d90428cb3f60e6d0ce15.tar.xz
linux-8665bd53f2f2e27e5511d90428cb3f60e6d0ce15.zip
Merging upstream version 6.8.9.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/infiniband')
-rw-r--r--drivers/infiniband/core/cm.c23
-rw-r--r--drivers/infiniband/hw/bnxt_re/bnxt_re.h3
-rw-r--r--drivers/infiniband/hw/bnxt_re/hw_counters.c4
-rw-r--r--drivers/infiniband/hw/bnxt_re/ib_verbs.c271
-rw-r--r--drivers/infiniband/hw/bnxt_re/ib_verbs.h10
-rw-r--r--drivers/infiniband/hw/bnxt_re/main.c50
-rw-r--r--drivers/infiniband/hw/bnxt_re/qplib_fp.c215
-rw-r--r--drivers/infiniband/hw/bnxt_re/qplib_fp.h35
-rw-r--r--drivers/infiniband/hw/bnxt_re/qplib_rcfw.c21
-rw-r--r--drivers/infiniband/hw/bnxt_re/qplib_rcfw.h4
-rw-r--r--drivers/infiniband/hw/bnxt_re/qplib_res.c4
-rw-r--r--drivers/infiniband/hw/bnxt_re/qplib_res.h117
-rw-r--r--drivers/infiniband/hw/bnxt_re/qplib_sp.c11
-rw-r--r--drivers/infiniband/hw/bnxt_re/roce_hsi.h67
-rw-r--r--drivers/infiniband/hw/efa/efa.h12
-rw-r--r--drivers/infiniband/hw/efa/efa_admin_cmds_defs.h33
-rw-r--r--drivers/infiniband/hw/efa/efa_com_cmd.c11
-rw-r--r--drivers/infiniband/hw/efa/efa_com_cmd.h12
-rw-r--r--drivers/infiniband/hw/efa/efa_main.c7
-rw-r--r--drivers/infiniband/hw/efa/efa_verbs.c71
-rw-r--r--drivers/infiniband/hw/erdma/erdma.h2
-rw-r--r--drivers/infiniband/hw/erdma/erdma_hw.h41
-rw-r--r--drivers/infiniband/hw/erdma/erdma_main.c26
-rw-r--r--drivers/infiniband/hw/erdma/erdma_verbs.c90
-rw-r--r--drivers/infiniband/hw/erdma/erdma_verbs.h4
-rw-r--r--drivers/infiniband/hw/hfi1/user_exp_rcv.c4
-rw-r--r--drivers/infiniband/hw/hfi1/user_sdma.c4
-rw-r--r--drivers/infiniband/hw/hns/Makefile3
-rw-r--r--drivers/infiniband/hw/hns/hns_roce_ah.c13
-rw-r--r--drivers/infiniband/hw/hns/hns_roce_cmd.c19
-rw-r--r--drivers/infiniband/hw/hns/hns_roce_cq.c17
-rw-r--r--drivers/infiniband/hw/hns/hns_roce_debugfs.c110
-rw-r--r--drivers/infiniband/hw/hns/hns_roce_debugfs.h33
-rw-r--r--drivers/infiniband/hw/hns/hns_roce_device.h26
-rw-r--r--drivers/infiniband/hw/hns/hns_roce_hw_v2.c67
-rw-r--r--drivers/infiniband/hw/hns/hns_roce_main.c48
-rw-r--r--drivers/infiniband/hw/hns/hns_roce_mr.c28
-rw-r--r--drivers/infiniband/hw/hns/hns_roce_pd.c12
-rw-r--r--drivers/infiniband/hw/hns/hns_roce_qp.c8
-rw-r--r--drivers/infiniband/hw/hns/hns_roce_srq.c6
-rw-r--r--drivers/infiniband/hw/irdma/utils.c11
-rw-r--r--drivers/infiniband/hw/mana/cq.c57
-rw-r--r--drivers/infiniband/hw/mana/device.c31
-rw-r--r--drivers/infiniband/hw/mana/main.c143
-rw-r--r--drivers/infiniband/hw/mana/mana_ib.h76
-rw-r--r--drivers/infiniband/hw/mana/mr.c17
-rw-r--r--drivers/infiniband/hw/mana/qp.c113
-rw-r--r--drivers/infiniband/hw/mana/wq.c4
-rw-r--r--drivers/infiniband/hw/mlx5/dm.c5
-rw-r--r--drivers/infiniband/hw/mlx5/mad.c3
-rw-r--r--drivers/infiniband/hw/mlx5/main.c24
-rw-r--r--drivers/infiniband/hw/mlx5/mr.c1
-rw-r--r--drivers/infiniband/sw/rxe/rxe.c2
-rw-r--r--drivers/infiniband/sw/siw/siw.h14
-rw-r--r--drivers/infiniband/sw/siw/siw_cm.c145
-rw-r--r--drivers/infiniband/sw/siw/siw_main.c30
-rw-r--r--drivers/infiniband/sw/siw/siw_mem.c121
-rw-r--r--drivers/infiniband/sw/siw/siw_mem.h5
-rw-r--r--drivers/infiniband/sw/siw/siw_qp.c2
-rw-r--r--drivers/infiniband/sw/siw/siw_qp_rx.c84
-rw-r--r--drivers/infiniband/sw/siw/siw_qp_tx.c51
-rw-r--r--drivers/infiniband/sw/siw/siw_verbs.c52
-rw-r--r--drivers/infiniband/ulp/ipoib/ipoib.h4
-rw-r--r--drivers/infiniband/ulp/ipoib/ipoib_ib.c26
-rw-r--r--drivers/infiniband/ulp/ipoib/ipoib_main.c33
-rw-r--r--drivers/infiniband/ulp/iser/iscsi_iser.h5
-rw-r--r--drivers/infiniband/ulp/rtrs/rtrs-clt.c12
-rw-r--r--drivers/infiniband/ulp/rtrs/rtrs.c4
68 files changed, 1909 insertions, 708 deletions
diff --git a/drivers/infiniband/core/cm.c b/drivers/infiniband/core/cm.c
index ff58058aea..07fb8d3c03 100644
--- a/drivers/infiniband/core/cm.c
+++ b/drivers/infiniband/core/cm.c
@@ -34,6 +34,7 @@ MODULE_AUTHOR("Sean Hefty");
MODULE_DESCRIPTION("InfiniBand CM");
MODULE_LICENSE("Dual BSD/GPL");
+#define CM_DESTROY_ID_WAIT_TIMEOUT 10000 /* msecs */
static const char * const ibcm_rej_reason_strs[] = {
[IB_CM_REJ_NO_QP] = "no QP",
[IB_CM_REJ_NO_EEC] = "no EEC",
@@ -1025,13 +1026,26 @@ static void cm_reset_to_idle(struct cm_id_private *cm_id_priv)
}
}
+static noinline void cm_destroy_id_wait_timeout(struct ib_cm_id *cm_id,
+ enum ib_cm_state old_state)
+{
+ struct cm_id_private *cm_id_priv;
+
+ cm_id_priv = container_of(cm_id, struct cm_id_private, id);
+ pr_err("%s: cm_id=%p timed out. state %d -> %d, refcnt=%d\n", __func__,
+ cm_id, old_state, cm_id->state, refcount_read(&cm_id_priv->refcount));
+}
+
static void cm_destroy_id(struct ib_cm_id *cm_id, int err)
{
struct cm_id_private *cm_id_priv;
+ enum ib_cm_state old_state;
struct cm_work *work;
+ int ret;
cm_id_priv = container_of(cm_id, struct cm_id_private, id);
spin_lock_irq(&cm_id_priv->lock);
+ old_state = cm_id->state;
retest:
switch (cm_id->state) {
case IB_CM_LISTEN:
@@ -1135,7 +1149,14 @@ retest:
xa_erase(&cm.local_id_table, cm_local_id(cm_id->local_id));
cm_deref_id(cm_id_priv);
- wait_for_completion(&cm_id_priv->comp);
+ do {
+ ret = wait_for_completion_timeout(&cm_id_priv->comp,
+ msecs_to_jiffies(
+ CM_DESTROY_ID_WAIT_TIMEOUT));
+ if (!ret) /* timeout happened */
+ cm_destroy_id_wait_timeout(cm_id, old_state);
+ } while (!ret);
+
while ((work = cm_dequeue_work(cm_id_priv)) != NULL)
cm_free_work(work);
diff --git a/drivers/infiniband/hw/bnxt_re/bnxt_re.h b/drivers/infiniband/hw/bnxt_re/bnxt_re.h
index 9fd9849ebd..9dca451ed5 100644
--- a/drivers/infiniband/hw/bnxt_re/bnxt_re.h
+++ b/drivers/infiniband/hw/bnxt_re/bnxt_re.h
@@ -41,6 +41,7 @@
#define __BNXT_RE_H__
#include <rdma/uverbs_ioctl.h>
#include "hw_counters.h"
+#include <linux/hashtable.h>
#define ROCE_DRV_MODULE_NAME "bnxt_re"
#define BNXT_RE_DESC "Broadcom NetXtreme-C/E RoCE Driver"
@@ -135,6 +136,7 @@ struct bnxt_re_pacing {
#define BNXT_RE_DB_FIFO_ROOM_SHIFT 15
#define BNXT_RE_GRC_FIFO_REG_BASE 0x2000
+#define MAX_CQ_HASH_BITS (16)
struct bnxt_re_dev {
struct ib_device ibdev;
struct list_head list;
@@ -189,6 +191,7 @@ struct bnxt_re_dev {
struct bnxt_re_pacing pacing;
struct work_struct dbq_fifo_check_work;
struct delayed_work dbq_pacing_work;
+ DECLARE_HASHTABLE(cq_hash, MAX_CQ_HASH_BITS);
};
#define to_bnxt_re_dev(ptr, member) \
diff --git a/drivers/infiniband/hw/bnxt_re/hw_counters.c b/drivers/infiniband/hw/bnxt_re/hw_counters.c
index 93572405d6..128651c015 100644
--- a/drivers/infiniband/hw/bnxt_re/hw_counters.c
+++ b/drivers/infiniband/hw/bnxt_re/hw_counters.c
@@ -371,7 +371,7 @@ int bnxt_re_ib_get_hw_stats(struct ib_device *ibdev,
}
done:
- return bnxt_qplib_is_chip_gen_p5(rdev->chip_ctx) ?
+ return bnxt_qplib_is_chip_gen_p5_p7(rdev->chip_ctx) ?
BNXT_RE_NUM_EXT_COUNTERS : BNXT_RE_NUM_STD_COUNTERS;
}
@@ -381,7 +381,7 @@ struct rdma_hw_stats *bnxt_re_ib_alloc_hw_port_stats(struct ib_device *ibdev,
struct bnxt_re_dev *rdev = to_bnxt_re_dev(ibdev, ibdev);
int num_counters = 0;
- if (bnxt_qplib_is_chip_gen_p5(rdev->chip_ctx))
+ if (bnxt_qplib_is_chip_gen_p5_p7(rdev->chip_ctx))
num_counters = BNXT_RE_NUM_EXT_COUNTERS;
else
num_counters = BNXT_RE_NUM_STD_COUNTERS;
diff --git a/drivers/infiniband/hw/bnxt_re/ib_verbs.c b/drivers/infiniband/hw/bnxt_re/ib_verbs.c
index cc466dfd79..ce9c5bae83 100644
--- a/drivers/infiniband/hw/bnxt_re/ib_verbs.c
+++ b/drivers/infiniband/hw/bnxt_re/ib_verbs.c
@@ -50,6 +50,7 @@
#include <rdma/ib_mad.h>
#include <rdma/ib_cache.h>
#include <rdma/uverbs_ioctl.h>
+#include <linux/hashtable.h>
#include "bnxt_ulp.h"
@@ -400,6 +401,10 @@ static void bnxt_re_create_fence_wqe(struct bnxt_re_pd *pd)
struct bnxt_re_fence_data *fence = &pd->fence;
struct ib_mr *ib_mr = &fence->mr->ib_mr;
struct bnxt_qplib_swqe *wqe = &fence->bind_wqe;
+ struct bnxt_re_dev *rdev = pd->rdev;
+
+ if (bnxt_qplib_is_chip_gen_p5_p7(rdev->chip_ctx))
+ return;
memset(wqe, 0, sizeof(*wqe));
wqe->type = BNXT_QPLIB_SWQE_TYPE_BIND_MW;
@@ -454,6 +459,9 @@ static void bnxt_re_destroy_fence_mr(struct bnxt_re_pd *pd)
struct device *dev = &rdev->en_dev->pdev->dev;
struct bnxt_re_mr *mr = fence->mr;
+ if (bnxt_qplib_is_chip_gen_p5_p7(rdev->chip_ctx))
+ return;
+
if (fence->mw) {
bnxt_re_dealloc_mw(fence->mw);
fence->mw = NULL;
@@ -485,6 +493,9 @@ static int bnxt_re_create_fence_mr(struct bnxt_re_pd *pd)
struct ib_mw *mw;
int rc;
+ if (bnxt_qplib_is_chip_gen_p5_p7(rdev->chip_ctx))
+ return 0;
+
dma_addr = dma_map_single(dev, fence->va, BNXT_RE_FENCE_BYTES,
DMA_BIDIRECTIONAL);
rc = dma_mapping_error(dev, dma_addr);
@@ -567,6 +578,7 @@ bnxt_re_mmap_entry_insert(struct bnxt_re_ucontext *uctx, u64 mem_offset,
case BNXT_RE_MMAP_WC_DB:
case BNXT_RE_MMAP_DBR_BAR:
case BNXT_RE_MMAP_DBR_PAGE:
+ case BNXT_RE_MMAP_TOGGLE_PAGE:
ret = rdma_user_mmap_entry_insert(&uctx->ib_uctx,
&entry->rdma_entry, PAGE_SIZE);
break;
@@ -1023,7 +1035,7 @@ static int bnxt_re_init_user_qp(struct bnxt_re_dev *rdev, struct bnxt_re_pd *pd,
bytes = (qplib_qp->sq.max_wqe * qplib_qp->sq.wqe_size);
/* Consider mapping PSN search memory only for RC QPs. */
if (qplib_qp->type == CMDQ_CREATE_QP_TYPE_RC) {
- psn_sz = bnxt_qplib_is_chip_gen_p5(rdev->chip_ctx) ?
+ psn_sz = bnxt_qplib_is_chip_gen_p5_p7(rdev->chip_ctx) ?
sizeof(struct sq_psn_search_ext) :
sizeof(struct sq_psn_search);
psn_nume = (qplib_qp->wqe_mode == BNXT_QPLIB_WQE_MODE_STATIC) ?
@@ -1184,7 +1196,8 @@ fail:
}
static int bnxt_re_init_rq_attr(struct bnxt_re_qp *qp,
- struct ib_qp_init_attr *init_attr)
+ struct ib_qp_init_attr *init_attr,
+ struct bnxt_re_ucontext *uctx)
{
struct bnxt_qplib_dev_attr *dev_attr;
struct bnxt_qplib_qp *qplqp;
@@ -1213,7 +1226,7 @@ static int bnxt_re_init_rq_attr(struct bnxt_re_qp *qp,
/* Allocate 1 more than what's provided so posting max doesn't
* mean empty.
*/
- entries = roundup_pow_of_two(init_attr->cap.max_recv_wr + 1);
+ entries = bnxt_re_init_depth(init_attr->cap.max_recv_wr + 1, uctx);
rq->max_wqe = min_t(u32, entries, dev_attr->max_qp_wqes + 1);
rq->q_full_delta = 0;
rq->sg_info.pgsize = PAGE_SIZE;
@@ -1233,7 +1246,7 @@ static void bnxt_re_adjust_gsi_rq_attr(struct bnxt_re_qp *qp)
qplqp = &qp->qplib_qp;
dev_attr = &rdev->dev_attr;
- if (!bnxt_qplib_is_chip_gen_p5(rdev->chip_ctx)) {
+ if (!bnxt_qplib_is_chip_gen_p5_p7(rdev->chip_ctx)) {
qplqp->rq.max_sge = dev_attr->max_qp_sges;
if (qplqp->rq.max_sge > dev_attr->max_qp_sges)
qplqp->rq.max_sge = dev_attr->max_qp_sges;
@@ -1243,7 +1256,7 @@ static void bnxt_re_adjust_gsi_rq_attr(struct bnxt_re_qp *qp)
static int bnxt_re_init_sq_attr(struct bnxt_re_qp *qp,
struct ib_qp_init_attr *init_attr,
- struct ib_udata *udata)
+ struct bnxt_re_ucontext *uctx)
{
struct bnxt_qplib_dev_attr *dev_attr;
struct bnxt_qplib_qp *qplqp;
@@ -1272,7 +1285,7 @@ static int bnxt_re_init_sq_attr(struct bnxt_re_qp *qp,
/* Allocate 128 + 1 more than what's provided */
diff = (qplqp->wqe_mode == BNXT_QPLIB_WQE_MODE_VARIABLE) ?
0 : BNXT_QPLIB_RESERVED_QP_WRS;
- entries = roundup_pow_of_two(entries + diff + 1);
+ entries = bnxt_re_init_depth(entries + diff + 1, uctx);
sq->max_wqe = min_t(u32, entries, dev_attr->max_qp_wqes + diff + 1);
sq->q_full_delta = diff + 1;
/*
@@ -1288,7 +1301,8 @@ static int bnxt_re_init_sq_attr(struct bnxt_re_qp *qp,
}
static void bnxt_re_adjust_gsi_sq_attr(struct bnxt_re_qp *qp,
- struct ib_qp_init_attr *init_attr)
+ struct ib_qp_init_attr *init_attr,
+ struct bnxt_re_ucontext *uctx)
{
struct bnxt_qplib_dev_attr *dev_attr;
struct bnxt_qplib_qp *qplqp;
@@ -1299,8 +1313,8 @@ static void bnxt_re_adjust_gsi_sq_attr(struct bnxt_re_qp *qp,
qplqp = &qp->qplib_qp;
dev_attr = &rdev->dev_attr;
- if (!bnxt_qplib_is_chip_gen_p5(rdev->chip_ctx)) {
- entries = roundup_pow_of_two(init_attr->cap.max_send_wr + 1);
+ if (!bnxt_qplib_is_chip_gen_p5_p7(rdev->chip_ctx)) {
+ entries = bnxt_re_init_depth(init_attr->cap.max_send_wr + 1, uctx);
qplqp->sq.max_wqe = min_t(u32, entries,
dev_attr->max_qp_wqes + 1);
qplqp->sq.q_full_delta = qplqp->sq.max_wqe -
@@ -1326,7 +1340,7 @@ static int bnxt_re_init_qp_type(struct bnxt_re_dev *rdev,
goto out;
}
- if (bnxt_qplib_is_chip_gen_p5(chip_ctx) &&
+ if (bnxt_qplib_is_chip_gen_p5_p7(chip_ctx) &&
init_attr->qp_type == IB_QPT_GSI)
qptype = CMDQ_CREATE_QP_TYPE_GSI;
out:
@@ -1338,6 +1352,7 @@ static int bnxt_re_init_qp_attr(struct bnxt_re_qp *qp, struct bnxt_re_pd *pd,
struct ib_udata *udata)
{
struct bnxt_qplib_dev_attr *dev_attr;
+ struct bnxt_re_ucontext *uctx;
struct bnxt_qplib_qp *qplqp;
struct bnxt_re_dev *rdev;
struct bnxt_re_cq *cq;
@@ -1347,6 +1362,7 @@ static int bnxt_re_init_qp_attr(struct bnxt_re_qp *qp, struct bnxt_re_pd *pd,
qplqp = &qp->qplib_qp;
dev_attr = &rdev->dev_attr;
+ uctx = rdma_udata_to_drv_context(udata, struct bnxt_re_ucontext, ib_uctx);
/* Setup misc params */
ether_addr_copy(qplqp->smac, rdev->netdev->dev_addr);
qplqp->pd = &pd->qplib_pd;
@@ -1388,18 +1404,18 @@ static int bnxt_re_init_qp_attr(struct bnxt_re_qp *qp, struct bnxt_re_pd *pd,
}
/* Setup RQ/SRQ */
- rc = bnxt_re_init_rq_attr(qp, init_attr);
+ rc = bnxt_re_init_rq_attr(qp, init_attr, uctx);
if (rc)
goto out;
if (init_attr->qp_type == IB_QPT_GSI)
bnxt_re_adjust_gsi_rq_attr(qp);
/* Setup SQ */
- rc = bnxt_re_init_sq_attr(qp, init_attr, udata);
+ rc = bnxt_re_init_sq_attr(qp, init_attr, uctx);
if (rc)
goto out;
if (init_attr->qp_type == IB_QPT_GSI)
- bnxt_re_adjust_gsi_sq_attr(qp, init_attr);
+ bnxt_re_adjust_gsi_sq_attr(qp, init_attr, uctx);
if (udata) /* This will update DPI and qp_handle */
rc = bnxt_re_init_user_qp(rdev, pd, qp, udata);
@@ -1523,7 +1539,7 @@ int bnxt_re_create_qp(struct ib_qp *ib_qp, struct ib_qp_init_attr *qp_init_attr,
goto fail;
if (qp_init_attr->qp_type == IB_QPT_GSI &&
- !(bnxt_qplib_is_chip_gen_p5(rdev->chip_ctx))) {
+ !(bnxt_qplib_is_chip_gen_p5_p7(rdev->chip_ctx))) {
rc = bnxt_re_create_gsi_qp(qp, pd, qp_init_attr);
if (rc == -ENODEV)
goto qp_destroy;
@@ -1715,6 +1731,7 @@ int bnxt_re_create_srq(struct ib_srq *ib_srq,
{
struct bnxt_qplib_dev_attr *dev_attr;
struct bnxt_qplib_nq *nq = NULL;
+ struct bnxt_re_ucontext *uctx;
struct bnxt_re_dev *rdev;
struct bnxt_re_srq *srq;
struct bnxt_re_pd *pd;
@@ -1739,13 +1756,14 @@ int bnxt_re_create_srq(struct ib_srq *ib_srq,
goto exit;
}
+ uctx = rdma_udata_to_drv_context(udata, struct bnxt_re_ucontext, ib_uctx);
srq->rdev = rdev;
srq->qplib_srq.pd = &pd->qplib_pd;
srq->qplib_srq.dpi = &rdev->dpi_privileged;
/* Allocate 1 more than what's provided so posting max doesn't
* mean empty
*/
- entries = roundup_pow_of_two(srq_init_attr->attr.max_wr + 1);
+ entries = bnxt_re_init_depth(srq_init_attr->attr.max_wr + 1, uctx);
if (entries > dev_attr->max_srq_wqes + 1)
entries = dev_attr->max_srq_wqes + 1;
srq->qplib_srq.max_wqe = entries;
@@ -2102,6 +2120,9 @@ int bnxt_re_modify_qp(struct ib_qp *ib_qp, struct ib_qp_attr *qp_attr,
qp->qplib_qp.max_dest_rd_atomic = qp_attr->max_dest_rd_atomic;
}
if (qp_attr_mask & IB_QP_CAP) {
+ struct bnxt_re_ucontext *uctx =
+ rdma_udata_to_drv_context(udata, struct bnxt_re_ucontext, ib_uctx);
+
qp->qplib_qp.modify_flags |=
CMDQ_MODIFY_QP_MODIFY_MASK_SQ_SIZE |
CMDQ_MODIFY_QP_MODIFY_MASK_RQ_SIZE |
@@ -2118,7 +2139,7 @@ int bnxt_re_modify_qp(struct ib_qp *ib_qp, struct ib_qp_attr *qp_attr,
"Create QP failed - max exceeded");
return -EINVAL;
}
- entries = roundup_pow_of_two(qp_attr->cap.max_send_wr);
+ entries = bnxt_re_init_depth(qp_attr->cap.max_send_wr, uctx);
qp->qplib_qp.sq.max_wqe = min_t(u32, entries,
dev_attr->max_qp_wqes + 1);
qp->qplib_qp.sq.q_full_delta = qp->qplib_qp.sq.max_wqe -
@@ -2131,7 +2152,7 @@ int bnxt_re_modify_qp(struct ib_qp *ib_qp, struct ib_qp_attr *qp_attr,
qp->qplib_qp.sq.q_full_delta -= 1;
qp->qplib_qp.sq.max_sge = qp_attr->cap.max_send_sge;
if (qp->qplib_qp.rq.max_wqe) {
- entries = roundup_pow_of_two(qp_attr->cap.max_recv_wr);
+ entries = bnxt_re_init_depth(qp_attr->cap.max_recv_wr, uctx);
qp->qplib_qp.rq.max_wqe =
min_t(u32, entries, dev_attr->max_qp_wqes + 1);
qp->qplib_qp.rq.q_full_delta = qp->qplib_qp.rq.max_wqe -
@@ -2544,11 +2565,6 @@ static int bnxt_re_build_inv_wqe(const struct ib_send_wr *wr,
wqe->type = BNXT_QPLIB_SWQE_TYPE_LOCAL_INV;
wqe->local_inv.inv_l_key = wr->ex.invalidate_rkey;
- /* Need unconditional fence for local invalidate
- * opcode to work as expected.
- */
- wqe->flags |= BNXT_QPLIB_SWQE_FLAGS_UC_FENCE;
-
if (wr->send_flags & IB_SEND_SIGNALED)
wqe->flags |= BNXT_QPLIB_SWQE_FLAGS_SIGNAL_COMP;
if (wr->send_flags & IB_SEND_SOLICITED)
@@ -2571,12 +2587,6 @@ static int bnxt_re_build_reg_wqe(const struct ib_reg_wr *wr,
wqe->frmr.levels = qplib_frpl->hwq.level;
wqe->type = BNXT_QPLIB_SWQE_TYPE_REG_MR;
- /* Need unconditional fence for reg_mr
- * opcode to function as expected.
- */
-
- wqe->flags |= BNXT_QPLIB_SWQE_FLAGS_UC_FENCE;
-
if (wr->wr.send_flags & IB_SEND_SIGNALED)
wqe->flags |= BNXT_QPLIB_SWQE_FLAGS_SIGNAL_COMP;
@@ -2707,6 +2717,18 @@ bad:
return rc;
}
+static void bnxt_re_legacy_set_uc_fence(struct bnxt_qplib_swqe *wqe)
+{
+ /* Need unconditional fence for non-wire memory opcode
+ * to work as expected.
+ */
+ if (wqe->type == BNXT_QPLIB_SWQE_TYPE_LOCAL_INV ||
+ wqe->type == BNXT_QPLIB_SWQE_TYPE_FAST_REG_MR ||
+ wqe->type == BNXT_QPLIB_SWQE_TYPE_REG_MR ||
+ wqe->type == BNXT_QPLIB_SWQE_TYPE_BIND_MW)
+ wqe->flags |= BNXT_QPLIB_SWQE_FLAGS_UC_FENCE;
+}
+
int bnxt_re_post_send(struct ib_qp *ib_qp, const struct ib_send_wr *wr,
const struct ib_send_wr **bad_wr)
{
@@ -2786,8 +2808,11 @@ int bnxt_re_post_send(struct ib_qp *ib_qp, const struct ib_send_wr *wr,
rc = -EINVAL;
goto bad;
}
- if (!rc)
+ if (!rc) {
+ if (!bnxt_qplib_is_chip_gen_p5_p7(qp->rdev->chip_ctx))
+ bnxt_re_legacy_set_uc_fence(&wqe);
rc = bnxt_qplib_post_send(&qp->qplib_qp, &wqe);
+ }
bad:
if (rc) {
ibdev_err(&qp->rdev->ibdev,
@@ -2899,14 +2924,20 @@ int bnxt_re_post_recv(struct ib_qp *ib_qp, const struct ib_recv_wr *wr,
/* Completion Queues */
int bnxt_re_destroy_cq(struct ib_cq *ib_cq, struct ib_udata *udata)
{
- struct bnxt_re_cq *cq;
+ struct bnxt_qplib_chip_ctx *cctx;
struct bnxt_qplib_nq *nq;
struct bnxt_re_dev *rdev;
+ struct bnxt_re_cq *cq;
cq = container_of(ib_cq, struct bnxt_re_cq, ib_cq);
rdev = cq->rdev;
nq = cq->qplib_cq.nq;
+ cctx = rdev->chip_ctx;
+ if (cctx->modes.toggle_bits & BNXT_QPLIB_CQ_TOGGLE_BIT) {
+ free_page((unsigned long)cq->uctx_cq_page);
+ hash_del(&cq->hash_entry);
+ }
bnxt_qplib_destroy_cq(&rdev->qplib_res, &cq->qplib_cq);
ib_umem_release(cq->umem);
@@ -2919,13 +2950,16 @@ int bnxt_re_destroy_cq(struct ib_cq *ib_cq, struct ib_udata *udata)
int bnxt_re_create_cq(struct ib_cq *ibcq, const struct ib_cq_init_attr *attr,
struct ib_udata *udata)
{
+ struct bnxt_re_cq *cq = container_of(ibcq, struct bnxt_re_cq, ib_cq);
struct bnxt_re_dev *rdev = to_bnxt_re_dev(ibcq->device, ibdev);
+ struct bnxt_re_ucontext *uctx =
+ rdma_udata_to_drv_context(udata, struct bnxt_re_ucontext, ib_uctx);
struct bnxt_qplib_dev_attr *dev_attr = &rdev->dev_attr;
- struct bnxt_re_cq *cq = container_of(ibcq, struct bnxt_re_cq, ib_cq);
- int rc, entries;
- int cqe = attr->cqe;
+ struct bnxt_qplib_chip_ctx *cctx;
struct bnxt_qplib_nq *nq = NULL;
unsigned int nq_alloc_cnt;
+ int cqe = attr->cqe;
+ int rc, entries;
u32 active_cqs;
if (attr->flags)
@@ -2938,9 +2972,10 @@ int bnxt_re_create_cq(struct ib_cq *ibcq, const struct ib_cq_init_attr *attr,
}
cq->rdev = rdev;
+ cctx = rdev->chip_ctx;
cq->qplib_cq.cq_handle = (u64)(unsigned long)(&cq->qplib_cq);
- entries = roundup_pow_of_two(cqe + 1);
+ entries = bnxt_re_init_depth(cqe + 1, uctx);
if (entries > dev_attr->max_cq_wqes + 1)
entries = dev_attr->max_cq_wqes + 1;
@@ -2948,8 +2983,6 @@ int bnxt_re_create_cq(struct ib_cq *ibcq, const struct ib_cq_init_attr *attr,
cq->qplib_cq.sg_info.pgshft = PAGE_SHIFT;
if (udata) {
struct bnxt_re_cq_req req;
- struct bnxt_re_ucontext *uctx = rdma_udata_to_drv_context(
- udata, struct bnxt_re_ucontext, ib_uctx);
if (ib_copy_from_udata(&req, udata, sizeof(req))) {
rc = -EFAULT;
goto fail;
@@ -3001,22 +3034,34 @@ int bnxt_re_create_cq(struct ib_cq *ibcq, const struct ib_cq_init_attr *attr,
spin_lock_init(&cq->cq_lock);
if (udata) {
- struct bnxt_re_cq_resp resp;
+ struct bnxt_re_cq_resp resp = {};
+ if (cctx->modes.toggle_bits & BNXT_QPLIB_CQ_TOGGLE_BIT) {
+ hash_add(rdev->cq_hash, &cq->hash_entry, cq->qplib_cq.id);
+ /* Allocate a page */
+ cq->uctx_cq_page = (void *)get_zeroed_page(GFP_KERNEL);
+ if (!cq->uctx_cq_page) {
+ rc = -ENOMEM;
+ goto c2fail;
+ }
+ resp.comp_mask |= BNXT_RE_CQ_TOGGLE_PAGE_SUPPORT;
+ }
resp.cqid = cq->qplib_cq.id;
resp.tail = cq->qplib_cq.hwq.cons;
resp.phase = cq->qplib_cq.period;
resp.rsvd = 0;
- rc = ib_copy_to_udata(udata, &resp, sizeof(resp));
+ rc = ib_copy_to_udata(udata, &resp, min(sizeof(resp), udata->outlen));
if (rc) {
ibdev_err(&rdev->ibdev, "Failed to copy CQ udata");
bnxt_qplib_destroy_cq(&rdev->qplib_res, &cq->qplib_cq);
- goto c2fail;
+ goto free_mem;
}
}
return 0;
+free_mem:
+ free_page((unsigned long)cq->uctx_cq_page);
c2fail:
ib_umem_release(cq->umem);
fail:
@@ -3071,12 +3116,11 @@ int bnxt_re_resize_cq(struct ib_cq *ibcq, int cqe, struct ib_udata *udata)
return -EINVAL;
}
- entries = roundup_pow_of_two(cqe + 1);
+ uctx = rdma_udata_to_drv_context(udata, struct bnxt_re_ucontext, ib_uctx);
+ entries = bnxt_re_init_depth(cqe + 1, uctx);
if (entries > dev_attr->max_cq_wqes + 1)
entries = dev_attr->max_cq_wqes + 1;
- uctx = rdma_udata_to_drv_context(udata, struct bnxt_re_ucontext,
- ib_uctx);
/* uverbs consumer */
if (ib_copy_from_udata(&req, udata, sizeof(req))) {
rc = -EFAULT;
@@ -4107,6 +4151,7 @@ int bnxt_re_alloc_ucontext(struct ib_ucontext *ctx, struct ib_udata *udata)
struct bnxt_qplib_dev_attr *dev_attr = &rdev->dev_attr;
struct bnxt_re_user_mmap_entry *entry;
struct bnxt_re_uctx_resp resp = {};
+ struct bnxt_re_uctx_req ureq = {};
u32 chip_met_rev_num = 0;
int rc;
@@ -4156,6 +4201,16 @@ int bnxt_re_alloc_ucontext(struct ib_ucontext *ctx, struct ib_udata *udata)
if (rdev->pacing.dbr_pacing)
resp.comp_mask |= BNXT_RE_UCNTX_CMASK_DBR_PACING_ENABLED;
+ if (udata->inlen >= sizeof(ureq)) {
+ rc = ib_copy_from_udata(&ureq, udata, min(udata->inlen, sizeof(ureq)));
+ if (rc)
+ goto cfail;
+ if (ureq.comp_mask & BNXT_RE_COMP_MASK_REQ_UCNTX_POW2_SUPPORT) {
+ resp.comp_mask |= BNXT_RE_UCNTX_CMASK_POW2_DISABLED;
+ uctx->cmask |= BNXT_RE_UCNTX_CMASK_POW2_DISABLED;
+ }
+ }
+
rc = ib_copy_to_udata(udata, &resp, min(udata->outlen, sizeof(resp)));
if (rc) {
ibdev_err(ibdev, "Failed to copy user context");
@@ -4193,6 +4248,19 @@ void bnxt_re_dealloc_ucontext(struct ib_ucontext *ib_uctx)
}
}
+static struct bnxt_re_cq *bnxt_re_search_for_cq(struct bnxt_re_dev *rdev, u32 cq_id)
+{
+ struct bnxt_re_cq *cq = NULL, *tmp_cq;
+
+ hash_for_each_possible(rdev->cq_hash, tmp_cq, hash_entry, cq_id) {
+ if (tmp_cq->qplib_cq.id == cq_id) {
+ cq = tmp_cq;
+ break;
+ }
+ }
+ return cq;
+}
+
/* Helper function to mmap the virtual memory from user app */
int bnxt_re_mmap(struct ib_ucontext *ib_uctx, struct vm_area_struct *vma)
{
@@ -4234,6 +4302,7 @@ int bnxt_re_mmap(struct ib_ucontext *ib_uctx, struct vm_area_struct *vma)
rdma_entry);
break;
case BNXT_RE_MMAP_DBR_PAGE:
+ case BNXT_RE_MMAP_TOGGLE_PAGE:
/* Driver doesn't expect write access for user space */
if (vma->vm_flags & VM_WRITE)
return -EFAULT;
@@ -4410,8 +4479,126 @@ DECLARE_UVERBS_NAMED_METHOD(BNXT_RE_METHOD_NOTIFY_DRV);
DECLARE_UVERBS_GLOBAL_METHODS(BNXT_RE_OBJECT_NOTIFY_DRV,
&UVERBS_METHOD(BNXT_RE_METHOD_NOTIFY_DRV));
+/* Toggle MEM */
+static int UVERBS_HANDLER(BNXT_RE_METHOD_GET_TOGGLE_MEM)(struct uverbs_attr_bundle *attrs)
+{
+ struct ib_uobject *uobj = uverbs_attr_get_uobject(attrs, BNXT_RE_TOGGLE_MEM_HANDLE);
+ enum bnxt_re_mmap_flag mmap_flag = BNXT_RE_MMAP_TOGGLE_PAGE;
+ enum bnxt_re_get_toggle_mem_type res_type;
+ struct bnxt_re_user_mmap_entry *entry;
+ struct bnxt_re_ucontext *uctx;
+ struct ib_ucontext *ib_uctx;
+ struct bnxt_re_dev *rdev;
+ struct bnxt_re_cq *cq;
+ u64 mem_offset;
+ u64 addr = 0;
+ u32 length;
+ u32 offset;
+ u32 cq_id;
+ int err;
+
+ ib_uctx = ib_uverbs_get_ucontext(attrs);
+ if (IS_ERR(ib_uctx))
+ return PTR_ERR(ib_uctx);
+
+ err = uverbs_get_const(&res_type, attrs, BNXT_RE_TOGGLE_MEM_TYPE);
+ if (err)
+ return err;
+
+ uctx = container_of(ib_uctx, struct bnxt_re_ucontext, ib_uctx);
+ rdev = uctx->rdev;
+
+ switch (res_type) {
+ case BNXT_RE_CQ_TOGGLE_MEM:
+ err = uverbs_copy_from(&cq_id, attrs, BNXT_RE_TOGGLE_MEM_RES_ID);
+ if (err)
+ return err;
+
+ cq = bnxt_re_search_for_cq(rdev, cq_id);
+ if (!cq)
+ return -EINVAL;
+
+ length = PAGE_SIZE;
+ addr = (u64)cq->uctx_cq_page;
+ mmap_flag = BNXT_RE_MMAP_TOGGLE_PAGE;
+ offset = 0;
+ break;
+ case BNXT_RE_SRQ_TOGGLE_MEM:
+ break;
+
+ default:
+ return -EOPNOTSUPP;
+ }
+
+ entry = bnxt_re_mmap_entry_insert(uctx, addr, mmap_flag, &mem_offset);
+ if (!entry)
+ return -ENOMEM;
+
+ uobj->object = entry;
+ uverbs_finalize_uobj_create(attrs, BNXT_RE_TOGGLE_MEM_HANDLE);
+ err = uverbs_copy_to(attrs, BNXT_RE_TOGGLE_MEM_MMAP_PAGE,
+ &mem_offset, sizeof(mem_offset));
+ if (err)
+ return err;
+
+ err = uverbs_copy_to(attrs, BNXT_RE_TOGGLE_MEM_MMAP_LENGTH,
+ &length, sizeof(length));
+ if (err)
+ return err;
+
+ err = uverbs_copy_to(attrs, BNXT_RE_TOGGLE_MEM_MMAP_OFFSET,
+ &offset, sizeof(length));
+ if (err)
+ return err;
+
+ return 0;
+}
+
+static int get_toggle_mem_obj_cleanup(struct ib_uobject *uobject,
+ enum rdma_remove_reason why,
+ struct uverbs_attr_bundle *attrs)
+{
+ struct bnxt_re_user_mmap_entry *entry = uobject->object;
+
+ rdma_user_mmap_entry_remove(&entry->rdma_entry);
+ return 0;
+}
+
+DECLARE_UVERBS_NAMED_METHOD(BNXT_RE_METHOD_GET_TOGGLE_MEM,
+ UVERBS_ATTR_IDR(BNXT_RE_TOGGLE_MEM_HANDLE,
+ BNXT_RE_OBJECT_GET_TOGGLE_MEM,
+ UVERBS_ACCESS_NEW,
+ UA_MANDATORY),
+ UVERBS_ATTR_CONST_IN(BNXT_RE_TOGGLE_MEM_TYPE,
+ enum bnxt_re_get_toggle_mem_type,
+ UA_MANDATORY),
+ UVERBS_ATTR_PTR_IN(BNXT_RE_TOGGLE_MEM_RES_ID,
+ UVERBS_ATTR_TYPE(u32),
+ UA_MANDATORY),
+ UVERBS_ATTR_PTR_OUT(BNXT_RE_TOGGLE_MEM_MMAP_PAGE,
+ UVERBS_ATTR_TYPE(u64),
+ UA_MANDATORY),
+ UVERBS_ATTR_PTR_OUT(BNXT_RE_TOGGLE_MEM_MMAP_OFFSET,
+ UVERBS_ATTR_TYPE(u32),
+ UA_MANDATORY),
+ UVERBS_ATTR_PTR_OUT(BNXT_RE_TOGGLE_MEM_MMAP_LENGTH,
+ UVERBS_ATTR_TYPE(u32),
+ UA_MANDATORY));
+
+DECLARE_UVERBS_NAMED_METHOD_DESTROY(BNXT_RE_METHOD_RELEASE_TOGGLE_MEM,
+ UVERBS_ATTR_IDR(BNXT_RE_RELEASE_TOGGLE_MEM_HANDLE,
+ BNXT_RE_OBJECT_GET_TOGGLE_MEM,
+ UVERBS_ACCESS_DESTROY,
+ UA_MANDATORY));
+
+DECLARE_UVERBS_NAMED_OBJECT(BNXT_RE_OBJECT_GET_TOGGLE_MEM,
+ UVERBS_TYPE_ALLOC_IDR(get_toggle_mem_obj_cleanup),
+ &UVERBS_METHOD(BNXT_RE_METHOD_GET_TOGGLE_MEM),
+ &UVERBS_METHOD(BNXT_RE_METHOD_RELEASE_TOGGLE_MEM));
+
const struct uapi_definition bnxt_re_uapi_defs[] = {
UAPI_DEF_CHAIN_OBJ_TREE_NAMED(BNXT_RE_OBJECT_ALLOC_PAGE),
UAPI_DEF_CHAIN_OBJ_TREE_NAMED(BNXT_RE_OBJECT_NOTIFY_DRV),
+ UAPI_DEF_CHAIN_OBJ_TREE_NAMED(BNXT_RE_OBJECT_GET_TOGGLE_MEM),
{}
};
diff --git a/drivers/infiniband/hw/bnxt_re/ib_verbs.h b/drivers/infiniband/hw/bnxt_re/ib_verbs.h
index 84715b7e7a..b267d6d597 100644
--- a/drivers/infiniband/hw/bnxt_re/ib_verbs.h
+++ b/drivers/infiniband/hw/bnxt_re/ib_verbs.h
@@ -108,6 +108,8 @@ struct bnxt_re_cq {
struct ib_umem *umem;
struct ib_umem *resize_umem;
int resize_cqe;
+ void *uctx_cq_page;
+ struct hlist_node hash_entry;
};
struct bnxt_re_mr {
@@ -140,6 +142,7 @@ struct bnxt_re_ucontext {
void *shpg;
spinlock_t sh_lock; /* protect shpg */
struct rdma_user_mmap_entry *shpage_mmap;
+ u64 cmask;
};
enum bnxt_re_mmap_flag {
@@ -148,6 +151,7 @@ enum bnxt_re_mmap_flag {
BNXT_RE_MMAP_WC_DB,
BNXT_RE_MMAP_DBR_PAGE,
BNXT_RE_MMAP_DBR_BAR,
+ BNXT_RE_MMAP_TOGGLE_PAGE,
};
struct bnxt_re_user_mmap_entry {
@@ -167,6 +171,12 @@ static inline u16 bnxt_re_get_rwqe_size(int nsge)
return sizeof(struct rq_wqe_hdr) + (nsge * sizeof(struct sq_sge));
}
+static inline u32 bnxt_re_init_depth(u32 ent, struct bnxt_re_ucontext *uctx)
+{
+ return uctx ? (uctx->cmask & BNXT_RE_UCNTX_CMASK_POW2_DISABLED) ?
+ ent : roundup_pow_of_two(ent) : ent;
+}
+
int bnxt_re_query_device(struct ib_device *ibdev,
struct ib_device_attr *ib_attr,
struct ib_udata *udata);
diff --git a/drivers/infiniband/hw/bnxt_re/main.c b/drivers/infiniband/hw/bnxt_re/main.c
index a99c68247a..54b4d2f3a5 100644
--- a/drivers/infiniband/hw/bnxt_re/main.c
+++ b/drivers/infiniband/hw/bnxt_re/main.c
@@ -54,6 +54,7 @@
#include <rdma/ib_user_verbs.h>
#include <rdma/ib_umem.h>
#include <rdma/ib_addr.h>
+#include <linux/hashtable.h>
#include "bnxt_ulp.h"
#include "roce_hsi.h"
@@ -107,9 +108,14 @@ static void bnxt_re_set_db_offset(struct bnxt_re_dev *rdev)
dev_info(rdev_to_dev(rdev),
"Couldn't get DB bar size, Low latency framework is disabled\n");
/* set register offsets for both UC and WC */
- res->dpi_tbl.ucreg.offset = res->is_vf ? BNXT_QPLIB_DBR_VF_DB_OFFSET :
- BNXT_QPLIB_DBR_PF_DB_OFFSET;
- res->dpi_tbl.wcreg.offset = res->dpi_tbl.ucreg.offset;
+ if (bnxt_qplib_is_chip_gen_p7(cctx)) {
+ res->dpi_tbl.ucreg.offset = offset;
+ res->dpi_tbl.wcreg.offset = en_dev->l2_db_size;
+ } else {
+ res->dpi_tbl.ucreg.offset = res->is_vf ? BNXT_QPLIB_DBR_VF_DB_OFFSET :
+ BNXT_QPLIB_DBR_PF_DB_OFFSET;
+ res->dpi_tbl.wcreg.offset = res->dpi_tbl.ucreg.offset;
+ }
/* If WC mapping is disabled by L2 driver then en_dev->l2_db_size
* is equal to the DB-Bar actual size. This indicates that L2
@@ -128,11 +134,13 @@ static void bnxt_re_set_drv_mode(struct bnxt_re_dev *rdev, u8 mode)
struct bnxt_qplib_chip_ctx *cctx;
cctx = rdev->chip_ctx;
- cctx->modes.wqe_mode = bnxt_qplib_is_chip_gen_p5(rdev->chip_ctx) ?
+ cctx->modes.wqe_mode = bnxt_qplib_is_chip_gen_p5_p7(rdev->chip_ctx) ?
mode : BNXT_QPLIB_WQE_MODE_STATIC;
if (bnxt_re_hwrm_qcaps(rdev))
dev_err(rdev_to_dev(rdev),
"Failed to query hwrm qcaps\n");
+ if (bnxt_qplib_is_chip_gen_p7(rdev->chip_ctx))
+ cctx->modes.toggle_bits |= BNXT_QPLIB_CQ_TOGGLE_BIT;
}
static void bnxt_re_destroy_chip_ctx(struct bnxt_re_dev *rdev)
@@ -215,7 +223,7 @@ static void bnxt_re_limit_pf_res(struct bnxt_re_dev *rdev)
ctx->srqc_count = min_t(u32, BNXT_RE_MAX_SRQC_COUNT,
attr->max_srq);
ctx->cq_count = min_t(u32, BNXT_RE_MAX_CQ_COUNT, attr->max_cq);
- if (!bnxt_qplib_is_chip_gen_p5(rdev->chip_ctx))
+ if (!bnxt_qplib_is_chip_gen_p5_p7(rdev->chip_ctx))
for (i = 0; i < MAX_TQM_ALLOC_REQ; i++)
rdev->qplib_ctx.tqm_ctx.qcount[i] =
rdev->dev_attr.tqm_alloc_reqs[i];
@@ -264,7 +272,7 @@ static void bnxt_re_set_resource_limits(struct bnxt_re_dev *rdev)
memset(&rdev->qplib_ctx.vf_res, 0, sizeof(struct bnxt_qplib_vf_res));
bnxt_re_limit_pf_res(rdev);
- num_vfs = bnxt_qplib_is_chip_gen_p5(rdev->chip_ctx) ?
+ num_vfs = bnxt_qplib_is_chip_gen_p5_p7(rdev->chip_ctx) ?
BNXT_RE_GEN_P5_MAX_VF : rdev->num_vfs;
if (num_vfs)
bnxt_re_limit_vf_res(&rdev->qplib_ctx, num_vfs);
@@ -272,11 +280,8 @@ static void bnxt_re_set_resource_limits(struct bnxt_re_dev *rdev)
static void bnxt_re_vf_res_config(struct bnxt_re_dev *rdev)
{
-
- if (test_bit(BNXT_RE_FLAG_ERR_DEVICE_DETACHED, &rdev->flags))
- return;
rdev->num_vfs = pci_sriov_get_totalvfs(rdev->en_dev->pdev);
- if (!bnxt_qplib_is_chip_gen_p5(rdev->chip_ctx)) {
+ if (!bnxt_qplib_is_chip_gen_p5_p7(rdev->chip_ctx)) {
bnxt_re_set_resource_limits(rdev);
bnxt_qplib_set_func_resources(&rdev->qplib_res, &rdev->rcfw,
&rdev->qplib_ctx);
@@ -1203,25 +1208,19 @@ static int bnxt_re_cqn_handler(struct bnxt_qplib_nq *nq,
{
struct bnxt_re_cq *cq = container_of(handle, struct bnxt_re_cq,
qplib_cq);
+ u32 *cq_ptr;
if (cq->ib_cq.comp_handler) {
- /* Lock comp_handler? */
+ if (cq->uctx_cq_page) {
+ cq_ptr = (u32 *)cq->uctx_cq_page;
+ *cq_ptr = cq->qplib_cq.toggle;
+ }
(*cq->ib_cq.comp_handler)(&cq->ib_cq, cq->ib_cq.cq_context);
}
return 0;
}
-#define BNXT_RE_GEN_P5_PF_NQ_DB 0x10000
-#define BNXT_RE_GEN_P5_VF_NQ_DB 0x4000
-static u32 bnxt_re_get_nqdb_offset(struct bnxt_re_dev *rdev, u16 indx)
-{
- return bnxt_qplib_is_chip_gen_p5(rdev->chip_ctx) ?
- (rdev->is_virtfn ? BNXT_RE_GEN_P5_VF_NQ_DB :
- BNXT_RE_GEN_P5_PF_NQ_DB) :
- rdev->en_dev->msix_entries[indx].db_offset;
-}
-
static void bnxt_re_cleanup_res(struct bnxt_re_dev *rdev)
{
int i;
@@ -1242,7 +1241,7 @@ static int bnxt_re_init_res(struct bnxt_re_dev *rdev)
bnxt_qplib_init_res(&rdev->qplib_res);
for (i = 1; i < rdev->num_msix ; i++) {
- db_offt = bnxt_re_get_nqdb_offset(rdev, i);
+ db_offt = rdev->en_dev->msix_entries[i].db_offset;
rc = bnxt_qplib_enable_nq(rdev->en_dev->pdev, &rdev->nq[i - 1],
i - 1, rdev->en_dev->msix_entries[i].vector,
db_offt, &bnxt_re_cqn_handler,
@@ -1653,7 +1652,7 @@ static int bnxt_re_dev_init(struct bnxt_re_dev *rdev, u8 wqe_mode)
ibdev_err(&rdev->ibdev, "Failed to allocate CREQ: %#x\n", rc);
goto free_rcfw;
}
- db_offt = bnxt_re_get_nqdb_offset(rdev, BNXT_RE_AEQ_IDX);
+ db_offt = rdev->en_dev->msix_entries[BNXT_RE_AEQ_IDX].db_offset;
vid = rdev->en_dev->msix_entries[BNXT_RE_AEQ_IDX].vector;
rc = bnxt_qplib_enable_rcfw_channel(&rdev->rcfw,
vid, db_offt,
@@ -1681,7 +1680,7 @@ static int bnxt_re_dev_init(struct bnxt_re_dev *rdev, u8 wqe_mode)
bnxt_re_set_resource_limits(rdev);
rc = bnxt_qplib_alloc_ctx(&rdev->qplib_res, &rdev->qplib_ctx, 0,
- bnxt_qplib_is_chip_gen_p5(rdev->chip_ctx));
+ bnxt_qplib_is_chip_gen_p5_p7(rdev->chip_ctx));
if (rc) {
ibdev_err(&rdev->ibdev,
"Failed to allocate QPLIB context: %#x\n", rc);
@@ -1737,6 +1736,7 @@ static int bnxt_re_dev_init(struct bnxt_re_dev *rdev, u8 wqe_mode)
*/
bnxt_re_vf_res_config(rdev);
}
+ hash_init(rdev->cq_hash);
return 0;
free_sctx:
@@ -1804,7 +1804,7 @@ static void bnxt_re_setup_cc(struct bnxt_re_dev *rdev, bool enable)
return;
/* Currently enabling only for GenP5 adapters */
- if (!bnxt_qplib_is_chip_gen_p5(rdev->chip_ctx))
+ if (!bnxt_qplib_is_chip_gen_p5_p7(rdev->chip_ctx))
return;
if (enable) {
diff --git a/drivers/infiniband/hw/bnxt_re/qplib_fp.c b/drivers/infiniband/hw/bnxt_re/qplib_fp.c
index 2a62239187..439d0c7c5d 100644
--- a/drivers/infiniband/hw/bnxt_re/qplib_fp.c
+++ b/drivers/infiniband/hw/bnxt_re/qplib_fp.c
@@ -237,18 +237,15 @@ static void clean_nq(struct bnxt_qplib_nq *nq, struct bnxt_qplib_cq *cq)
struct bnxt_qplib_hwq *hwq = &nq->hwq;
struct nq_base *nqe, **nq_ptr;
int budget = nq->budget;
- u32 sw_cons, raw_cons;
uintptr_t q_handle;
u16 type;
spin_lock_bh(&hwq->lock);
/* Service the NQ until empty */
- raw_cons = hwq->cons;
while (budget--) {
- sw_cons = HWQ_CMP(raw_cons, hwq);
nq_ptr = (struct nq_base **)hwq->pbl_ptr;
- nqe = &nq_ptr[NQE_PG(sw_cons)][NQE_IDX(sw_cons)];
- if (!NQE_CMP_VALID(nqe, raw_cons, hwq->max_elements))
+ nqe = &nq_ptr[NQE_PG(hwq->cons)][NQE_IDX(hwq->cons)];
+ if (!NQE_CMP_VALID(nqe, nq->nq_db.dbinfo.flags))
break;
/*
@@ -276,7 +273,8 @@ static void clean_nq(struct bnxt_qplib_nq *nq, struct bnxt_qplib_cq *cq)
default:
break;
}
- raw_cons++;
+ bnxt_qplib_hwq_incr_cons(hwq->max_elements, &hwq->cons,
+ 1, &nq->nq_db.dbinfo.flags);
}
spin_unlock_bh(&hwq->lock);
}
@@ -302,18 +300,16 @@ static void bnxt_qplib_service_nq(struct tasklet_struct *t)
struct bnxt_qplib_hwq *hwq = &nq->hwq;
struct bnxt_qplib_cq *cq;
int budget = nq->budget;
- u32 sw_cons, raw_cons;
struct nq_base *nqe;
uintptr_t q_handle;
+ u32 hw_polled = 0;
u16 type;
spin_lock_bh(&hwq->lock);
/* Service the NQ until empty */
- raw_cons = hwq->cons;
while (budget--) {
- sw_cons = HWQ_CMP(raw_cons, hwq);
- nqe = bnxt_qplib_get_qe(hwq, sw_cons, NULL);
- if (!NQE_CMP_VALID(nqe, raw_cons, hwq->max_elements))
+ nqe = bnxt_qplib_get_qe(hwq, hwq->cons, NULL);
+ if (!NQE_CMP_VALID(nqe, nq->nq_db.dbinfo.flags))
break;
/*
@@ -334,6 +330,9 @@ static void bnxt_qplib_service_nq(struct tasklet_struct *t)
cq = (struct bnxt_qplib_cq *)(unsigned long)q_handle;
if (!cq)
break;
+ cq->toggle = (le16_to_cpu(nqe->info10_type) &
+ NQ_CN_TOGGLE_MASK) >> NQ_CN_TOGGLE_SFT;
+ cq->dbinfo.toggle = cq->toggle;
bnxt_qplib_armen_db(&cq->dbinfo,
DBC_DBC_TYPE_CQ_ARMENA);
spin_lock_bh(&cq->compl_lock);
@@ -372,12 +371,12 @@ static void bnxt_qplib_service_nq(struct tasklet_struct *t)
"nqe with type = 0x%x not handled\n", type);
break;
}
- raw_cons++;
+ hw_polled++;
+ bnxt_qplib_hwq_incr_cons(hwq->max_elements, &hwq->cons,
+ 1, &nq->nq_db.dbinfo.flags);
}
- if (hwq->cons != raw_cons) {
- hwq->cons = raw_cons;
+ if (hw_polled)
bnxt_qplib_ring_nq_db(&nq->nq_db.dbinfo, nq->res->cctx, true);
- }
spin_unlock_bh(&hwq->lock);
}
@@ -505,6 +504,7 @@ static int bnxt_qplib_map_nq_db(struct bnxt_qplib_nq *nq, u32 reg_offt)
pdev = nq->pdev;
nq_db = &nq->nq_db;
+ nq_db->dbinfo.flags = 0;
nq_db->reg.bar_id = NQ_CONS_PCI_BAR_REGION;
nq_db->reg.bar_base = pci_resource_start(pdev, nq_db->reg.bar_id);
if (!nq_db->reg.bar_base) {
@@ -649,7 +649,7 @@ int bnxt_qplib_create_srq(struct bnxt_qplib_res *res,
rc = -ENOMEM;
goto fail;
}
-
+ srq->dbinfo.flags = 0;
bnxt_qplib_rcfw_cmd_prep((struct cmdq_base *)&req,
CMDQ_BASE_OPCODE_CREATE_SRQ,
sizeof(req));
@@ -703,13 +703,9 @@ int bnxt_qplib_modify_srq(struct bnxt_qplib_res *res,
struct bnxt_qplib_srq *srq)
{
struct bnxt_qplib_hwq *srq_hwq = &srq->hwq;
- u32 sw_prod, sw_cons, count = 0;
-
- sw_prod = HWQ_CMP(srq_hwq->prod, srq_hwq);
- sw_cons = HWQ_CMP(srq_hwq->cons, srq_hwq);
+ u32 count;
- count = sw_prod > sw_cons ? sw_prod - sw_cons :
- srq_hwq->max_elements - sw_cons + sw_prod;
+ count = __bnxt_qplib_get_avail(srq_hwq);
if (count > srq->threshold) {
srq->arm_req = false;
bnxt_qplib_srq_arm_db(&srq->dbinfo, srq->threshold);
@@ -762,7 +758,7 @@ int bnxt_qplib_post_srq_recv(struct bnxt_qplib_srq *srq,
struct bnxt_qplib_hwq *srq_hwq = &srq->hwq;
struct rq_wqe *srqe;
struct sq_sge *hw_sge;
- u32 sw_prod, sw_cons, count = 0;
+ u32 count = 0;
int i, next;
spin_lock(&srq_hwq->lock);
@@ -776,8 +772,7 @@ int bnxt_qplib_post_srq_recv(struct bnxt_qplib_srq *srq,
srq->start_idx = srq->swq[next].next_idx;
spin_unlock(&srq_hwq->lock);
- sw_prod = HWQ_CMP(srq_hwq->prod, srq_hwq);
- srqe = bnxt_qplib_get_qe(srq_hwq, sw_prod, NULL);
+ srqe = bnxt_qplib_get_qe(srq_hwq, srq_hwq->prod, NULL);
memset(srqe, 0, srq->wqe_size);
/* Calculate wqe_size16 and data_len */
for (i = 0, hw_sge = (struct sq_sge *)srqe->data;
@@ -793,17 +788,10 @@ int bnxt_qplib_post_srq_recv(struct bnxt_qplib_srq *srq,
srqe->wr_id[0] = cpu_to_le32((u32)next);
srq->swq[next].wr_id = wqe->wr_id;
- srq_hwq->prod++;
+ bnxt_qplib_hwq_incr_prod(&srq->dbinfo, srq_hwq, srq->dbinfo.max_slot);
spin_lock(&srq_hwq->lock);
- sw_prod = HWQ_CMP(srq_hwq->prod, srq_hwq);
- /* retaining srq_hwq->cons for this logic
- * actually the lock is only required to
- * read srq_hwq->cons.
- */
- sw_cons = HWQ_CMP(srq_hwq->cons, srq_hwq);
- count = sw_prod > sw_cons ? sw_prod - sw_cons :
- srq_hwq->max_elements - sw_cons + sw_prod;
+ count = __bnxt_qplib_get_avail(srq_hwq);
spin_unlock(&srq_hwq->lock);
/* Ring DB */
bnxt_qplib_ring_prod_db(&srq->dbinfo, DBC_DBC_TYPE_SRQ);
@@ -850,6 +838,7 @@ int bnxt_qplib_create_qp1(struct bnxt_qplib_res *res, struct bnxt_qplib_qp *qp)
u32 tbl_indx;
int rc;
+ sq->dbinfo.flags = 0;
bnxt_qplib_rcfw_cmd_prep((struct cmdq_base *)&req,
CMDQ_BASE_OPCODE_CREATE_QP1,
sizeof(req));
@@ -886,6 +875,7 @@ int bnxt_qplib_create_qp1(struct bnxt_qplib_res *res, struct bnxt_qplib_qp *qp)
/* RQ */
if (rq->max_wqe) {
+ rq->dbinfo.flags = 0;
hwq_attr.res = res;
hwq_attr.sginfo = &rq->sg_info;
hwq_attr.stride = sizeof(struct sq_sge);
@@ -993,6 +983,10 @@ int bnxt_qplib_create_qp(struct bnxt_qplib_res *res, struct bnxt_qplib_qp *qp)
u32 tbl_indx;
u16 nsge;
+ if (res->dattr)
+ qp->dev_cap_flags = res->dattr->dev_cap_flags;
+
+ sq->dbinfo.flags = 0;
bnxt_qplib_rcfw_cmd_prep((struct cmdq_base *)&req,
CMDQ_BASE_OPCODE_CREATE_QP,
sizeof(req));
@@ -1004,9 +998,14 @@ int bnxt_qplib_create_qp(struct bnxt_qplib_res *res, struct bnxt_qplib_qp *qp)
/* SQ */
if (qp->type == CMDQ_CREATE_QP_TYPE_RC) {
- psn_sz = bnxt_qplib_is_chip_gen_p5(res->cctx) ?
+ psn_sz = bnxt_qplib_is_chip_gen_p5_p7(res->cctx) ?
sizeof(struct sq_psn_search_ext) :
sizeof(struct sq_psn_search);
+
+ if (BNXT_RE_HW_RETX(qp->dev_cap_flags)) {
+ psn_sz = sizeof(struct sq_msn_search);
+ qp->msn = 0;
+ }
}
hwq_attr.res = res;
@@ -1015,6 +1014,13 @@ int bnxt_qplib_create_qp(struct bnxt_qplib_res *res, struct bnxt_qplib_qp *qp)
hwq_attr.depth = bnxt_qplib_get_depth(sq);
hwq_attr.aux_stride = psn_sz;
hwq_attr.aux_depth = bnxt_qplib_set_sq_size(sq, qp->wqe_mode);
+ /* Update msn tbl size */
+ if (BNXT_RE_HW_RETX(qp->dev_cap_flags) && psn_sz) {
+ hwq_attr.aux_depth = roundup_pow_of_two(bnxt_qplib_set_sq_size(sq, qp->wqe_mode));
+ qp->msn_tbl_sz = hwq_attr.aux_depth;
+ qp->msn = 0;
+ }
+
hwq_attr.type = HWQ_TYPE_QUEUE;
rc = bnxt_qplib_alloc_init_hwq(&sq->hwq, &hwq_attr);
if (rc)
@@ -1041,6 +1047,7 @@ int bnxt_qplib_create_qp(struct bnxt_qplib_res *res, struct bnxt_qplib_qp *qp)
/* RQ */
if (!qp->srq) {
+ rq->dbinfo.flags = 0;
hwq_attr.res = res;
hwq_attr.sginfo = &rq->sg_info;
hwq_attr.stride = sizeof(struct sq_sge);
@@ -1455,12 +1462,15 @@ bail:
static void __clean_cq(struct bnxt_qplib_cq *cq, u64 qp)
{
struct bnxt_qplib_hwq *cq_hwq = &cq->hwq;
+ u32 peek_flags, peek_cons;
struct cq_base *hw_cqe;
int i;
+ peek_flags = cq->dbinfo.flags;
+ peek_cons = cq_hwq->cons;
for (i = 0; i < cq_hwq->max_elements; i++) {
- hw_cqe = bnxt_qplib_get_qe(cq_hwq, i, NULL);
- if (!CQE_CMP_VALID(hw_cqe, i, cq_hwq->max_elements))
+ hw_cqe = bnxt_qplib_get_qe(cq_hwq, peek_cons, NULL);
+ if (!CQE_CMP_VALID(hw_cqe, peek_flags))
continue;
/*
* The valid test of the entry must be done first before
@@ -1490,6 +1500,8 @@ static void __clean_cq(struct bnxt_qplib_cq *cq, u64 qp)
default:
break;
}
+ bnxt_qplib_hwq_incr_cons(cq_hwq->max_elements, &peek_cons,
+ 1, &peek_flags);
}
}
@@ -1591,6 +1603,27 @@ void *bnxt_qplib_get_qp1_rq_buf(struct bnxt_qplib_qp *qp,
return NULL;
}
+/* Fil the MSN table into the next psn row */
+static void bnxt_qplib_fill_msn_search(struct bnxt_qplib_qp *qp,
+ struct bnxt_qplib_swqe *wqe,
+ struct bnxt_qplib_swq *swq)
+{
+ struct sq_msn_search *msns;
+ u32 start_psn, next_psn;
+ u16 start_idx;
+
+ msns = (struct sq_msn_search *)swq->psn_search;
+ msns->start_idx_next_psn_start_psn = 0;
+
+ start_psn = swq->start_psn;
+ next_psn = swq->next_psn;
+ start_idx = swq->slot_idx;
+ msns->start_idx_next_psn_start_psn |=
+ bnxt_re_update_msn_tbl(start_idx, next_psn, start_psn);
+ qp->msn++;
+ qp->msn %= qp->msn_tbl_sz;
+}
+
static void bnxt_qplib_fill_psn_search(struct bnxt_qplib_qp *qp,
struct bnxt_qplib_swqe *wqe,
struct bnxt_qplib_swq *swq)
@@ -1602,6 +1635,12 @@ static void bnxt_qplib_fill_psn_search(struct bnxt_qplib_qp *qp,
if (!swq->psn_search)
return;
+ /* Handle MSN differently on cap flags */
+ if (BNXT_RE_HW_RETX(qp->dev_cap_flags)) {
+ bnxt_qplib_fill_msn_search(qp, wqe, swq);
+ return;
+ }
+ psns = (struct sq_psn_search *)swq->psn_search;
psns = swq->psn_search;
psns_ext = swq->psn_ext;
@@ -1612,7 +1651,7 @@ static void bnxt_qplib_fill_psn_search(struct bnxt_qplib_qp *qp,
flg_npsn = ((swq->next_psn << SQ_PSN_SEARCH_NEXT_PSN_SFT) &
SQ_PSN_SEARCH_NEXT_PSN_MASK);
- if (bnxt_qplib_is_chip_gen_p5(qp->cctx)) {
+ if (bnxt_qplib_is_chip_gen_p5_p7(qp->cctx)) {
psns_ext->opcode_start_psn = cpu_to_le32(op_spsn);
psns_ext->flags_next_psn = cpu_to_le32(flg_npsn);
psns_ext->start_slot_idx = cpu_to_le16(swq->slot_idx);
@@ -1710,8 +1749,8 @@ static u16 bnxt_qplib_required_slots(struct bnxt_qplib_qp *qp,
return slot;
}
-static void bnxt_qplib_pull_psn_buff(struct bnxt_qplib_q *sq,
- struct bnxt_qplib_swq *swq)
+static void bnxt_qplib_pull_psn_buff(struct bnxt_qplib_qp *qp, struct bnxt_qplib_q *sq,
+ struct bnxt_qplib_swq *swq, bool hw_retx)
{
struct bnxt_qplib_hwq *hwq;
u32 pg_num, pg_indx;
@@ -1722,6 +1761,11 @@ static void bnxt_qplib_pull_psn_buff(struct bnxt_qplib_q *sq,
if (!hwq->pad_pg)
return;
tail = swq->slot_idx / sq->dbinfo.max_slot;
+ if (hw_retx) {
+ /* For HW retx use qp msn index */
+ tail = qp->msn;
+ tail %= qp->msn_tbl_sz;
+ }
pg_num = (tail + hwq->pad_pgofft) / (PAGE_SIZE / hwq->pad_stride);
pg_indx = (tail + hwq->pad_pgofft) % (PAGE_SIZE / hwq->pad_stride);
buff = (void *)(hwq->pad_pg[pg_num] + pg_indx * hwq->pad_stride);
@@ -1746,6 +1790,7 @@ int bnxt_qplib_post_send(struct bnxt_qplib_qp *qp,
struct bnxt_qplib_swq *swq;
bool sch_handler = false;
u16 wqe_sz, qdf = 0;
+ bool msn_update;
void *base_hdr;
void *ext_hdr;
__le32 temp32;
@@ -1773,7 +1818,7 @@ int bnxt_qplib_post_send(struct bnxt_qplib_qp *qp,
}
swq = bnxt_qplib_get_swqe(sq, &wqe_idx);
- bnxt_qplib_pull_psn_buff(sq, swq);
+ bnxt_qplib_pull_psn_buff(qp, sq, swq, BNXT_RE_HW_RETX(qp->dev_cap_flags));
idx = 0;
swq->slot_idx = hwq->prod;
@@ -1805,6 +1850,8 @@ int bnxt_qplib_post_send(struct bnxt_qplib_qp *qp,
&idx);
if (data_len < 0)
goto queue_err;
+ /* Make sure we update MSN table only for wired wqes */
+ msn_update = true;
/* Specifics */
switch (wqe->type) {
case BNXT_QPLIB_SWQE_TYPE_SEND:
@@ -1845,6 +1892,7 @@ int bnxt_qplib_post_send(struct bnxt_qplib_qp *qp,
SQ_SEND_DST_QP_MASK);
ext_sqe->avid = cpu_to_le32(wqe->send.avid &
SQ_SEND_AVID_MASK);
+ msn_update = false;
} else {
sqe->length = cpu_to_le32(data_len);
if (qp->mtu)
@@ -1902,7 +1950,7 @@ int bnxt_qplib_post_send(struct bnxt_qplib_qp *qp,
sqe->wqe_type = wqe->type;
sqe->flags = wqe->flags;
sqe->inv_l_key = cpu_to_le32(wqe->local_inv.inv_l_key);
-
+ msn_update = false;
break;
}
case BNXT_QPLIB_SWQE_TYPE_FAST_REG_MR:
@@ -1934,6 +1982,7 @@ int bnxt_qplib_post_send(struct bnxt_qplib_qp *qp,
PTU_PTE_VALID);
ext_sqe->pblptr = cpu_to_le64(wqe->frmr.pbl_dma_ptr);
ext_sqe->va = cpu_to_le64(wqe->frmr.va);
+ msn_update = false;
break;
}
@@ -1951,6 +2000,7 @@ int bnxt_qplib_post_send(struct bnxt_qplib_qp *qp,
sqe->l_key = cpu_to_le32(wqe->bind.r_key);
ext_sqe->va = cpu_to_le64(wqe->bind.va);
ext_sqe->length_lo = cpu_to_le32(wqe->bind.length);
+ msn_update = false;
break;
}
default:
@@ -1958,11 +2008,13 @@ int bnxt_qplib_post_send(struct bnxt_qplib_qp *qp,
rc = -EINVAL;
goto done;
}
- swq->next_psn = sq->psn & BTH_PSN_MASK;
- bnxt_qplib_fill_psn_search(qp, wqe, swq);
+ if (!BNXT_RE_HW_RETX(qp->dev_cap_flags) || msn_update) {
+ swq->next_psn = sq->psn & BTH_PSN_MASK;
+ bnxt_qplib_fill_psn_search(qp, wqe, swq);
+ }
queue_err:
bnxt_qplib_swq_mod_start(sq, wqe_idx);
- bnxt_qplib_hwq_incr_prod(hwq, swq->slots);
+ bnxt_qplib_hwq_incr_prod(&sq->dbinfo, hwq, swq->slots);
qp->wqe_cnt++;
done:
if (sch_handler) {
@@ -2050,7 +2102,7 @@ int bnxt_qplib_post_recv(struct bnxt_qplib_qp *qp,
base_hdr->wr_id[0] = cpu_to_le32(wqe_idx);
queue_err:
bnxt_qplib_swq_mod_start(rq, wqe_idx);
- bnxt_qplib_hwq_incr_prod(hwq, swq->slots);
+ bnxt_qplib_hwq_incr_prod(&rq->dbinfo, hwq, swq->slots);
done:
if (sch_handler) {
nq_work = kzalloc(sizeof(*nq_work), GFP_ATOMIC);
@@ -2087,6 +2139,7 @@ int bnxt_qplib_create_cq(struct bnxt_qplib_res *res, struct bnxt_qplib_cq *cq)
return -EINVAL;
}
+ cq->dbinfo.flags = 0;
hwq_attr.res = res;
hwq_attr.depth = cq->max_wqe;
hwq_attr.stride = sizeof(struct cq_base);
@@ -2102,7 +2155,7 @@ int bnxt_qplib_create_cq(struct bnxt_qplib_res *res, struct bnxt_qplib_cq *cq)
req.dpi = cpu_to_le32(cq->dpi->dpi);
req.cq_handle = cpu_to_le64(cq->cq_handle);
- req.cq_size = cpu_to_le32(cq->hwq.max_elements);
+ req.cq_size = cpu_to_le32(cq->max_wqe);
pbl = &cq->hwq.pbl[PBL_LVL_0];
pg_sz_lvl = (bnxt_qplib_base_pg_size(&cq->hwq) <<
CMDQ_CREATE_CQ_PG_SIZE_SFT);
@@ -2130,6 +2183,8 @@ int bnxt_qplib_create_cq(struct bnxt_qplib_res *res, struct bnxt_qplib_cq *cq)
cq->dbinfo.xid = cq->id;
cq->dbinfo.db = cq->dpi->dbr;
cq->dbinfo.priv_db = res->dpi_tbl.priv_db;
+ cq->dbinfo.flags = 0;
+ cq->dbinfo.toggle = 0;
bnxt_qplib_armen_db(&cq->dbinfo, DBC_DBC_TYPE_CQ_ARMENA);
@@ -2145,6 +2200,8 @@ void bnxt_qplib_resize_cq_complete(struct bnxt_qplib_res *res,
{
bnxt_qplib_free_hwq(res, &cq->hwq);
memcpy(&cq->hwq, &cq->resize_hwq, sizeof(cq->hwq));
+ /* Reset only the cons bit in the flags */
+ cq->dbinfo.flags &= ~(1UL << BNXT_QPLIB_FLAG_EPOCH_CONS_SHIFT);
}
int bnxt_qplib_resize_cq(struct bnxt_qplib_res *res, struct bnxt_qplib_cq *cq,
@@ -2241,7 +2298,8 @@ static int __flush_sq(struct bnxt_qplib_q *sq, struct bnxt_qplib_qp *qp,
cqe++;
(*budget)--;
skip_compl:
- bnxt_qplib_hwq_incr_cons(&sq->hwq, sq->swq[last].slots);
+ bnxt_qplib_hwq_incr_cons(sq->hwq.max_elements, &sq->hwq.cons,
+ sq->swq[last].slots, &sq->dbinfo.flags);
sq->swq_last = sq->swq[last].next_idx;
}
*pcqe = cqe;
@@ -2288,7 +2346,8 @@ static int __flush_rq(struct bnxt_qplib_q *rq, struct bnxt_qplib_qp *qp,
cqe->wr_id = rq->swq[last].wr_id;
cqe++;
(*budget)--;
- bnxt_qplib_hwq_incr_cons(&rq->hwq, rq->swq[last].slots);
+ bnxt_qplib_hwq_incr_cons(rq->hwq.max_elements, &rq->hwq.cons,
+ rq->swq[last].slots, &rq->dbinfo.flags);
rq->swq_last = rq->swq[last].next_idx;
}
*pcqe = cqe;
@@ -2317,7 +2376,7 @@ void bnxt_qplib_mark_qp_error(void *qp_handle)
static int do_wa9060(struct bnxt_qplib_qp *qp, struct bnxt_qplib_cq *cq,
u32 cq_cons, u32 swq_last, u32 cqe_sq_cons)
{
- u32 peek_sw_cq_cons, peek_raw_cq_cons, peek_sq_cons_idx;
+ u32 peek_sw_cq_cons, peek_sq_cons_idx, peek_flags;
struct bnxt_qplib_q *sq = &qp->sq;
struct cq_req *peek_req_hwcqe;
struct bnxt_qplib_qp *peek_qp;
@@ -2348,16 +2407,14 @@ static int do_wa9060(struct bnxt_qplib_qp *qp, struct bnxt_qplib_cq *cq,
}
if (sq->condition) {
/* Peek at the completions */
- peek_raw_cq_cons = cq->hwq.cons;
+ peek_flags = cq->dbinfo.flags;
peek_sw_cq_cons = cq_cons;
i = cq->hwq.max_elements;
while (i--) {
- peek_sw_cq_cons = HWQ_CMP((peek_sw_cq_cons), &cq->hwq);
peek_hwcqe = bnxt_qplib_get_qe(&cq->hwq,
peek_sw_cq_cons, NULL);
/* If the next hwcqe is VALID */
- if (CQE_CMP_VALID(peek_hwcqe, peek_raw_cq_cons,
- cq->hwq.max_elements)) {
+ if (CQE_CMP_VALID(peek_hwcqe, peek_flags)) {
/*
* The valid test of the entry must be done first before
* reading any further.
@@ -2400,8 +2457,9 @@ static int do_wa9060(struct bnxt_qplib_qp *qp, struct bnxt_qplib_cq *cq,
rc = -EINVAL;
goto out;
}
- peek_sw_cq_cons++;
- peek_raw_cq_cons++;
+ bnxt_qplib_hwq_incr_cons(cq->hwq.max_elements,
+ &peek_sw_cq_cons,
+ 1, &peek_flags);
}
dev_err(&cq->hwq.pdev->dev,
"Should not have come here! cq_cons=0x%x qp=0x%x sq cons sw=0x%x hw=0x%x\n",
@@ -2488,7 +2546,8 @@ static int bnxt_qplib_cq_process_req(struct bnxt_qplib_cq *cq,
}
}
skip:
- bnxt_qplib_hwq_incr_cons(&sq->hwq, swq->slots);
+ bnxt_qplib_hwq_incr_cons(sq->hwq.max_elements, &sq->hwq.cons,
+ swq->slots, &sq->dbinfo.flags);
sq->swq_last = swq->next_idx;
if (sq->single)
break;
@@ -2515,7 +2574,8 @@ static void bnxt_qplib_release_srqe(struct bnxt_qplib_srq *srq, u32 tag)
srq->swq[srq->last_idx].next_idx = (int)tag;
srq->last_idx = (int)tag;
srq->swq[srq->last_idx].next_idx = -1;
- srq->hwq.cons++; /* Support for SRQE counter */
+ bnxt_qplib_hwq_incr_cons(srq->hwq.max_elements, &srq->hwq.cons,
+ srq->dbinfo.max_slot, &srq->dbinfo.flags);
spin_unlock(&srq->hwq.lock);
}
@@ -2584,7 +2644,8 @@ static int bnxt_qplib_cq_process_res_rc(struct bnxt_qplib_cq *cq,
cqe->wr_id = swq->wr_id;
cqe++;
(*budget)--;
- bnxt_qplib_hwq_incr_cons(&rq->hwq, swq->slots);
+ bnxt_qplib_hwq_incr_cons(rq->hwq.max_elements, &rq->hwq.cons,
+ swq->slots, &rq->dbinfo.flags);
rq->swq_last = swq->next_idx;
*pcqe = cqe;
@@ -2670,7 +2731,8 @@ static int bnxt_qplib_cq_process_res_ud(struct bnxt_qplib_cq *cq,
cqe->wr_id = swq->wr_id;
cqe++;
(*budget)--;
- bnxt_qplib_hwq_incr_cons(&rq->hwq, swq->slots);
+ bnxt_qplib_hwq_incr_cons(rq->hwq.max_elements, &rq->hwq.cons,
+ swq->slots, &rq->dbinfo.flags);
rq->swq_last = swq->next_idx;
*pcqe = cqe;
@@ -2687,14 +2749,11 @@ static int bnxt_qplib_cq_process_res_ud(struct bnxt_qplib_cq *cq,
bool bnxt_qplib_is_cq_empty(struct bnxt_qplib_cq *cq)
{
struct cq_base *hw_cqe;
- u32 sw_cons, raw_cons;
bool rc = true;
- raw_cons = cq->hwq.cons;
- sw_cons = HWQ_CMP(raw_cons, &cq->hwq);
- hw_cqe = bnxt_qplib_get_qe(&cq->hwq, sw_cons, NULL);
+ hw_cqe = bnxt_qplib_get_qe(&cq->hwq, cq->hwq.cons, NULL);
/* Check for Valid bit. If the CQE is valid, return false */
- rc = !CQE_CMP_VALID(hw_cqe, raw_cons, cq->hwq.max_elements);
+ rc = !CQE_CMP_VALID(hw_cqe, cq->dbinfo.flags);
return rc;
}
@@ -2776,7 +2835,8 @@ static int bnxt_qplib_cq_process_res_raweth_qp1(struct bnxt_qplib_cq *cq,
cqe->wr_id = swq->wr_id;
cqe++;
(*budget)--;
- bnxt_qplib_hwq_incr_cons(&rq->hwq, swq->slots);
+ bnxt_qplib_hwq_incr_cons(rq->hwq.max_elements, &rq->hwq.cons,
+ swq->slots, &rq->dbinfo.flags);
rq->swq_last = swq->next_idx;
*pcqe = cqe;
@@ -2849,7 +2909,8 @@ static int bnxt_qplib_cq_process_terminal(struct bnxt_qplib_cq *cq,
cqe++;
(*budget)--;
}
- bnxt_qplib_hwq_incr_cons(&sq->hwq, sq->swq[swq_last].slots);
+ bnxt_qplib_hwq_incr_cons(sq->hwq.max_elements, &sq->hwq.cons,
+ sq->swq[swq_last].slots, &sq->dbinfo.flags);
sq->swq_last = sq->swq[swq_last].next_idx;
}
*pcqe = cqe;
@@ -2934,19 +2995,17 @@ int bnxt_qplib_poll_cq(struct bnxt_qplib_cq *cq, struct bnxt_qplib_cqe *cqe,
int num_cqes, struct bnxt_qplib_qp **lib_qp)
{
struct cq_base *hw_cqe;
- u32 sw_cons, raw_cons;
int budget, rc = 0;
+ u32 hw_polled = 0;
u8 type;
- raw_cons = cq->hwq.cons;
budget = num_cqes;
while (budget) {
- sw_cons = HWQ_CMP(raw_cons, &cq->hwq);
- hw_cqe = bnxt_qplib_get_qe(&cq->hwq, sw_cons, NULL);
+ hw_cqe = bnxt_qplib_get_qe(&cq->hwq, cq->hwq.cons, NULL);
/* Check for Valid bit */
- if (!CQE_CMP_VALID(hw_cqe, raw_cons, cq->hwq.max_elements))
+ if (!CQE_CMP_VALID(hw_cqe, cq->dbinfo.flags))
break;
/*
@@ -2961,7 +3020,7 @@ int bnxt_qplib_poll_cq(struct bnxt_qplib_cq *cq, struct bnxt_qplib_cqe *cqe,
rc = bnxt_qplib_cq_process_req(cq,
(struct cq_req *)hw_cqe,
&cqe, &budget,
- sw_cons, lib_qp);
+ cq->hwq.cons, lib_qp);
break;
case CQ_BASE_CQE_TYPE_RES_RC:
rc = bnxt_qplib_cq_process_res_rc(cq,
@@ -3007,18 +3066,20 @@ int bnxt_qplib_poll_cq(struct bnxt_qplib_cq *cq, struct bnxt_qplib_cqe *cqe,
dev_err(&cq->hwq.pdev->dev,
"process_cqe error rc = 0x%x\n", rc);
}
- raw_cons++;
+ hw_polled++;
+ bnxt_qplib_hwq_incr_cons(cq->hwq.max_elements, &cq->hwq.cons,
+ 1, &cq->dbinfo.flags);
+
}
- if (cq->hwq.cons != raw_cons) {
- cq->hwq.cons = raw_cons;
+ if (hw_polled)
bnxt_qplib_ring_db(&cq->dbinfo, DBC_DBC_TYPE_CQ);
- }
exit:
return num_cqes - budget;
}
void bnxt_qplib_req_notify_cq(struct bnxt_qplib_cq *cq, u32 arm_type)
{
+ cq->dbinfo.toggle = cq->toggle;
if (arm_type)
bnxt_qplib_ring_db(&cq->dbinfo, arm_type);
/* Using cq->arm_state variable to track whether to issue cq handler */
diff --git a/drivers/infiniband/hw/bnxt_re/qplib_fp.h b/drivers/infiniband/hw/bnxt_re/qplib_fp.h
index 404b851091..7fd4506b35 100644
--- a/drivers/infiniband/hw/bnxt_re/qplib_fp.h
+++ b/drivers/infiniband/hw/bnxt_re/qplib_fp.h
@@ -338,6 +338,9 @@ struct bnxt_qplib_qp {
dma_addr_t rq_hdr_buf_map;
struct list_head sq_flush;
struct list_head rq_flush;
+ u32 msn;
+ u32 msn_tbl_sz;
+ u16 dev_cap_flags;
};
#define BNXT_QPLIB_MAX_CQE_ENTRY_SIZE sizeof(struct cq_base)
@@ -348,9 +351,21 @@ struct bnxt_qplib_qp {
#define CQE_IDX(x) ((x) & CQE_MAX_IDX_PER_PG)
#define ROCE_CQE_CMP_V 0
-#define CQE_CMP_VALID(hdr, raw_cons, cp_bit) \
+#define CQE_CMP_VALID(hdr, pass) \
(!!((hdr)->cqe_type_toggle & CQ_BASE_TOGGLE) == \
- !((raw_cons) & (cp_bit)))
+ !((pass) & BNXT_QPLIB_FLAG_EPOCH_CONS_MASK))
+
+static inline u32 __bnxt_qplib_get_avail(struct bnxt_qplib_hwq *hwq)
+{
+ int cons, prod, avail;
+
+ cons = hwq->cons;
+ prod = hwq->prod;
+ avail = cons - prod;
+ if (cons <= prod)
+ avail += hwq->depth;
+ return avail;
+}
static inline bool bnxt_qplib_queue_full(struct bnxt_qplib_q *que,
u8 slots)
@@ -406,6 +421,7 @@ struct bnxt_qplib_cq {
bool resize_in_progress;
struct bnxt_qplib_sg_info sg_info;
u64 cq_handle;
+ u8 toggle;
#define CQ_RESIZE_WAIT_TIME_MS 500
unsigned long flags;
@@ -443,9 +459,9 @@ struct bnxt_qplib_cq {
#define NQE_PG(x) (((x) & ~NQE_MAX_IDX_PER_PG) / NQE_CNT_PER_PG)
#define NQE_IDX(x) ((x) & NQE_MAX_IDX_PER_PG)
-#define NQE_CMP_VALID(hdr, raw_cons, cp_bit) \
+#define NQE_CMP_VALID(hdr, pass) \
(!!(le32_to_cpu((hdr)->info63_v[0]) & NQ_BASE_V) == \
- !((raw_cons) & (cp_bit)))
+ !((pass) & BNXT_QPLIB_FLAG_EPOCH_CONS_MASK))
#define BNXT_QPLIB_NQE_MAX_CNT (128 * 1024)
@@ -614,4 +630,15 @@ static inline u16 bnxt_qplib_calc_ilsize(struct bnxt_qplib_swqe *wqe, u16 max)
return size;
}
+
+/* MSN table update inlin */
+static inline __le64 bnxt_re_update_msn_tbl(u32 st_idx, u32 npsn, u32 start_psn)
+{
+ return cpu_to_le64((((u64)(st_idx) << SQ_MSN_SEARCH_START_IDX_SFT) &
+ SQ_MSN_SEARCH_START_IDX_MASK) |
+ (((u64)(npsn) << SQ_MSN_SEARCH_NEXT_PSN_SFT) &
+ SQ_MSN_SEARCH_NEXT_PSN_MASK) |
+ (((start_psn) << SQ_MSN_SEARCH_START_PSN_SFT) &
+ SQ_MSN_SEARCH_START_PSN_MASK));
+}
#endif /* __BNXT_QPLIB_FP_H__ */
diff --git a/drivers/infiniband/hw/bnxt_re/qplib_rcfw.c b/drivers/infiniband/hw/bnxt_re/qplib_rcfw.c
index e47b4ca64d..3ffaef0c26 100644
--- a/drivers/infiniband/hw/bnxt_re/qplib_rcfw.c
+++ b/drivers/infiniband/hw/bnxt_re/qplib_rcfw.c
@@ -734,17 +734,15 @@ static void bnxt_qplib_service_creq(struct tasklet_struct *t)
u32 type, budget = CREQ_ENTRY_POLL_BUDGET;
struct bnxt_qplib_hwq *hwq = &creq->hwq;
struct creq_base *creqe;
- u32 sw_cons, raw_cons;
unsigned long flags;
u32 num_wakeup = 0;
+ u32 hw_polled = 0;
/* Service the CREQ until budget is over */
spin_lock_irqsave(&hwq->lock, flags);
- raw_cons = hwq->cons;
while (budget > 0) {
- sw_cons = HWQ_CMP(raw_cons, hwq);
- creqe = bnxt_qplib_get_qe(hwq, sw_cons, NULL);
- if (!CREQ_CMP_VALID(creqe, raw_cons, hwq->max_elements))
+ creqe = bnxt_qplib_get_qe(hwq, hwq->cons, NULL);
+ if (!CREQ_CMP_VALID(creqe, creq->creq_db.dbinfo.flags))
break;
/* The valid test of the entry must be done first before
* reading any further.
@@ -775,15 +773,15 @@ static void bnxt_qplib_service_creq(struct tasklet_struct *t)
type);
break;
}
- raw_cons++;
budget--;
+ hw_polled++;
+ bnxt_qplib_hwq_incr_cons(hwq->max_elements, &hwq->cons,
+ 1, &creq->creq_db.dbinfo.flags);
}
- if (hwq->cons != raw_cons) {
- hwq->cons = raw_cons;
+ if (hw_polled)
bnxt_qplib_ring_nq_db(&creq->creq_db.dbinfo,
rcfw->res->cctx, true);
- }
spin_unlock_irqrestore(&hwq->lock, flags);
if (num_wakeup)
wake_up_nr(&rcfw->cmdq.waitq, num_wakeup);
@@ -854,7 +852,7 @@ int bnxt_qplib_init_rcfw(struct bnxt_qplib_rcfw *rcfw,
*/
if (is_virtfn)
goto skip_ctx_setup;
- if (bnxt_qplib_is_chip_gen_p5(rcfw->res->cctx))
+ if (bnxt_qplib_is_chip_gen_p5_p7(rcfw->res->cctx))
goto config_vf_res;
lvl = ctx->qpc_tbl.level;
@@ -907,6 +905,8 @@ config_vf_res:
req.max_gid_per_vf = cpu_to_le32(ctx->vf_res.max_gid_per_vf);
skip_ctx_setup:
+ if (BNXT_RE_HW_RETX(rcfw->res->dattr->dev_cap_flags))
+ req.flags |= cpu_to_le16(CMDQ_INITIALIZE_FW_FLAGS_HW_REQUESTER_RETX_SUPPORTED);
req.stat_ctx_id = cpu_to_le32(ctx->stats.fw_id);
bnxt_qplib_fill_cmdqmsg(&msg, &req, &resp, NULL, sizeof(req), sizeof(resp), 0);
rc = bnxt_qplib_rcfw_send_message(rcfw, &msg);
@@ -1113,6 +1113,7 @@ static int bnxt_qplib_map_creq_db(struct bnxt_qplib_rcfw *rcfw, u32 reg_offt)
pdev = rcfw->pdev;
creq_db = &rcfw->creq.creq_db;
+ creq_db->dbinfo.flags = 0;
creq_db->reg.bar_id = RCFW_COMM_CONS_PCI_BAR_REGION;
creq_db->reg.bar_base = pci_resource_start(pdev, creq_db->reg.bar_id);
if (!creq_db->reg.bar_id)
diff --git a/drivers/infiniband/hw/bnxt_re/qplib_rcfw.h b/drivers/infiniband/hw/bnxt_re/qplib_rcfw.h
index 7b31bee3e0..45996e60a0 100644
--- a/drivers/infiniband/hw/bnxt_re/qplib_rcfw.h
+++ b/drivers/infiniband/hw/bnxt_re/qplib_rcfw.h
@@ -141,9 +141,9 @@ struct bnxt_qplib_crsbe {
/* Allocate 1 per QP for async error notification for now */
#define BNXT_QPLIB_CREQE_MAX_CNT (64 * 1024)
#define BNXT_QPLIB_CREQE_UNITS 16 /* 16-Bytes per prod unit */
-#define CREQ_CMP_VALID(hdr, raw_cons, cp_bit) \
+#define CREQ_CMP_VALID(hdr, pass) \
(!!((hdr)->v & CREQ_BASE_V) == \
- !((raw_cons) & (cp_bit)))
+ !((pass) & BNXT_QPLIB_FLAG_EPOCH_CONS_MASK))
#define CREQ_ENTRY_POLL_BUDGET 0x100
/* HWQ */
diff --git a/drivers/infiniband/hw/bnxt_re/qplib_res.c b/drivers/infiniband/hw/bnxt_re/qplib_res.c
index 157db6b7e1..dfc943fab8 100644
--- a/drivers/infiniband/hw/bnxt_re/qplib_res.c
+++ b/drivers/infiniband/hw/bnxt_re/qplib_res.c
@@ -343,7 +343,7 @@ done:
hwq->cons = 0;
hwq->pdev = pdev;
hwq->depth = hwq_attr->depth;
- hwq->max_elements = depth;
+ hwq->max_elements = hwq->depth;
hwq->element_size = stride;
hwq->qe_ppg = pg_size / stride;
/* For direct access to the elements */
@@ -805,7 +805,7 @@ static int bnxt_qplib_alloc_dpi_tbl(struct bnxt_qplib_res *res,
dpit = &res->dpi_tbl;
reg = &dpit->wcreg;
- if (!bnxt_qplib_is_chip_gen_p5(res->cctx)) {
+ if (!bnxt_qplib_is_chip_gen_p5_p7(res->cctx)) {
/* Offest should come from L2 driver */
dbr_offset = dev_attr->l2_db_size;
dpit->ucreg.offset = dbr_offset;
diff --git a/drivers/infiniband/hw/bnxt_re/qplib_res.h b/drivers/infiniband/hw/bnxt_re/qplib_res.h
index 5949f004f7..61628f7f12 100644
--- a/drivers/infiniband/hw/bnxt_re/qplib_res.h
+++ b/drivers/infiniband/hw/bnxt_re/qplib_res.h
@@ -44,11 +44,23 @@ extern const struct bnxt_qplib_gid bnxt_qplib_gid_zero;
#define CHIP_NUM_57508 0x1750
#define CHIP_NUM_57504 0x1751
#define CHIP_NUM_57502 0x1752
+#define CHIP_NUM_58818 0xd818
+#define CHIP_NUM_57608 0x1760
+
+#define BNXT_QPLIB_DBR_VALID (0x1UL << 26)
+#define BNXT_QPLIB_DBR_EPOCH_SHIFT 24
+#define BNXT_QPLIB_DBR_TOGGLE_SHIFT 25
struct bnxt_qplib_drv_modes {
u8 wqe_mode;
bool db_push;
bool dbr_pacing;
+ u32 toggle_bits;
+};
+
+enum bnxt_re_toggle_modes {
+ BNXT_QPLIB_CQ_TOGGLE_BIT = 0x1,
+ BNXT_QPLIB_SRQ_TOGGLE_BIT = 0x2,
};
struct bnxt_qplib_chip_ctx {
@@ -186,6 +198,20 @@ struct bnxt_qplib_db_info {
struct bnxt_qplib_hwq *hwq;
u32 xid;
u32 max_slot;
+ u32 flags;
+ u8 toggle;
+};
+
+enum bnxt_qplib_db_info_flags_mask {
+ BNXT_QPLIB_FLAG_EPOCH_CONS_SHIFT = 0x0UL,
+ BNXT_QPLIB_FLAG_EPOCH_PROD_SHIFT = 0x1UL,
+ BNXT_QPLIB_FLAG_EPOCH_CONS_MASK = 0x1UL,
+ BNXT_QPLIB_FLAG_EPOCH_PROD_MASK = 0x2UL,
+};
+
+enum bnxt_qplib_db_epoch_flag_shift {
+ BNXT_QPLIB_DB_EPOCH_CONS_SHIFT = BNXT_QPLIB_DBR_EPOCH_SHIFT,
+ BNXT_QPLIB_DB_EPOCH_PROD_SHIFT = (BNXT_QPLIB_DBR_EPOCH_SHIFT - 1),
};
/* Tables */
@@ -288,6 +314,12 @@ struct bnxt_qplib_res {
struct bnxt_qplib_db_pacing_data *pacing_data;
};
+static inline bool bnxt_qplib_is_chip_gen_p7(struct bnxt_qplib_chip_ctx *cctx)
+{
+ return (cctx->chip_num == CHIP_NUM_58818 ||
+ cctx->chip_num == CHIP_NUM_57608);
+}
+
static inline bool bnxt_qplib_is_chip_gen_p5(struct bnxt_qplib_chip_ctx *cctx)
{
return (cctx->chip_num == CHIP_NUM_57508 ||
@@ -295,15 +327,20 @@ static inline bool bnxt_qplib_is_chip_gen_p5(struct bnxt_qplib_chip_ctx *cctx)
cctx->chip_num == CHIP_NUM_57502);
}
+static inline bool bnxt_qplib_is_chip_gen_p5_p7(struct bnxt_qplib_chip_ctx *cctx)
+{
+ return bnxt_qplib_is_chip_gen_p5(cctx) || bnxt_qplib_is_chip_gen_p7(cctx);
+}
+
static inline u8 bnxt_qplib_get_hwq_type(struct bnxt_qplib_res *res)
{
- return bnxt_qplib_is_chip_gen_p5(res->cctx) ?
+ return bnxt_qplib_is_chip_gen_p5_p7(res->cctx) ?
HWQ_TYPE_QUEUE : HWQ_TYPE_L2_CMPL;
}
static inline u8 bnxt_qplib_get_ring_type(struct bnxt_qplib_chip_ctx *cctx)
{
- return bnxt_qplib_is_chip_gen_p5(cctx) ?
+ return bnxt_qplib_is_chip_gen_p5_p7(cctx) ?
RING_ALLOC_REQ_RING_TYPE_NQ :
RING_ALLOC_REQ_RING_TYPE_ROCE_CMPL;
}
@@ -396,39 +433,61 @@ void bnxt_qplib_unmap_db_bar(struct bnxt_qplib_res *res);
int bnxt_qplib_determine_atomics(struct pci_dev *dev);
-static inline void bnxt_qplib_hwq_incr_prod(struct bnxt_qplib_hwq *hwq, u32 cnt)
+static inline void bnxt_qplib_hwq_incr_prod(struct bnxt_qplib_db_info *dbinfo,
+ struct bnxt_qplib_hwq *hwq, u32 cnt)
{
- hwq->prod = (hwq->prod + cnt) % hwq->depth;
+ /* move prod and update toggle/epoch if wrap around */
+ hwq->prod += cnt;
+ if (hwq->prod >= hwq->depth) {
+ hwq->prod %= hwq->depth;
+ dbinfo->flags ^= 1UL << BNXT_QPLIB_FLAG_EPOCH_PROD_SHIFT;
+ }
}
-static inline void bnxt_qplib_hwq_incr_cons(struct bnxt_qplib_hwq *hwq,
- u32 cnt)
+static inline void bnxt_qplib_hwq_incr_cons(u32 max_elements, u32 *cons, u32 cnt,
+ u32 *dbinfo_flags)
{
- hwq->cons = (hwq->cons + cnt) % hwq->depth;
+ /* move cons and update toggle/epoch if wrap around */
+ *cons += cnt;
+ if (*cons >= max_elements) {
+ *cons %= max_elements;
+ *dbinfo_flags ^= 1UL << BNXT_QPLIB_FLAG_EPOCH_CONS_SHIFT;
+ }
}
static inline void bnxt_qplib_ring_db32(struct bnxt_qplib_db_info *info,
bool arm)
{
- u32 key;
+ u32 key = 0;
- key = info->hwq->cons & (info->hwq->max_elements - 1);
- key |= (CMPL_DOORBELL_IDX_VALID |
+ key |= info->hwq->cons | (CMPL_DOORBELL_IDX_VALID |
(CMPL_DOORBELL_KEY_CMPL & CMPL_DOORBELL_KEY_MASK));
if (!arm)
key |= CMPL_DOORBELL_MASK;
writel(key, info->db);
}
+#define BNXT_QPLIB_INIT_DBHDR(xid, type, indx, toggle) \
+ (((u64)(((xid) & DBC_DBC_XID_MASK) | DBC_DBC_PATH_ROCE | \
+ (type) | BNXT_QPLIB_DBR_VALID) << 32) | (indx) | \
+ (((u32)(toggle)) << (BNXT_QPLIB_DBR_TOGGLE_SHIFT)))
+
static inline void bnxt_qplib_ring_db(struct bnxt_qplib_db_info *info,
u32 type)
{
u64 key = 0;
+ u32 indx;
+ u8 toggle = 0;
+
+ if (type == DBC_DBC_TYPE_CQ_ARMALL ||
+ type == DBC_DBC_TYPE_CQ_ARMSE)
+ toggle = info->toggle;
+
+ indx = (info->hwq->cons & DBC_DBC_INDEX_MASK) |
+ ((info->flags & BNXT_QPLIB_FLAG_EPOCH_CONS_MASK) <<
+ BNXT_QPLIB_DB_EPOCH_CONS_SHIFT);
- key = (info->xid & DBC_DBC_XID_MASK) | DBC_DBC_PATH_ROCE | type;
- key <<= 32;
- key |= (info->hwq->cons & (info->hwq->max_elements - 1)) &
- DBC_DBC_INDEX_MASK;
+ key = BNXT_QPLIB_INIT_DBHDR(info->xid, type, indx, toggle);
writeq(key, info->db);
}
@@ -436,10 +495,12 @@ static inline void bnxt_qplib_ring_prod_db(struct bnxt_qplib_db_info *info,
u32 type)
{
u64 key = 0;
+ u32 indx;
- key = (info->xid & DBC_DBC_XID_MASK) | DBC_DBC_PATH_ROCE | type;
- key <<= 32;
- key |= ((info->hwq->prod / info->max_slot)) & DBC_DBC_INDEX_MASK;
+ indx = (((info->hwq->prod / info->max_slot) & DBC_DBC_INDEX_MASK) |
+ ((info->flags & BNXT_QPLIB_FLAG_EPOCH_PROD_MASK) <<
+ BNXT_QPLIB_DB_EPOCH_PROD_SHIFT));
+ key = BNXT_QPLIB_INIT_DBHDR(info->xid, type, indx, 0);
writeq(key, info->db);
}
@@ -447,9 +508,12 @@ static inline void bnxt_qplib_armen_db(struct bnxt_qplib_db_info *info,
u32 type)
{
u64 key = 0;
+ u8 toggle = 0;
- key = (info->xid & DBC_DBC_XID_MASK) | DBC_DBC_PATH_ROCE | type;
- key <<= 32;
+ if (type == DBC_DBC_TYPE_CQ_ARMENA || type == DBC_DBC_TYPE_SRQ_ARMENA)
+ toggle = info->toggle;
+ /* Index always at 0 */
+ key = BNXT_QPLIB_INIT_DBHDR(info->xid, type, 0, toggle);
writeq(key, info->priv_db);
}
@@ -458,9 +522,7 @@ static inline void bnxt_qplib_srq_arm_db(struct bnxt_qplib_db_info *info,
{
u64 key = 0;
- key = (info->xid & DBC_DBC_XID_MASK) | DBC_DBC_PATH_ROCE | th;
- key <<= 32;
- key |= th & DBC_DBC_INDEX_MASK;
+ key = BNXT_QPLIB_INIT_DBHDR(info->xid, DBC_DBC_TYPE_SRQ_ARM, th, info->toggle);
writeq(key, info->priv_db);
}
@@ -471,7 +533,7 @@ static inline void bnxt_qplib_ring_nq_db(struct bnxt_qplib_db_info *info,
u32 type;
type = arm ? DBC_DBC_TYPE_NQ_ARM : DBC_DBC_TYPE_NQ;
- if (bnxt_qplib_is_chip_gen_p5(cctx))
+ if (bnxt_qplib_is_chip_gen_p5_p7(cctx))
bnxt_qplib_ring_db(info, type);
else
bnxt_qplib_ring_db32(info, arm);
@@ -483,6 +545,15 @@ static inline bool _is_ext_stats_supported(u16 dev_cap_flags)
CREQ_QUERY_FUNC_RESP_SB_EXT_STATS;
}
+static inline bool _is_hw_retx_supported(u16 dev_cap_flags)
+{
+ return dev_cap_flags &
+ (CREQ_QUERY_FUNC_RESP_SB_HW_REQUESTER_RETX_ENABLED |
+ CREQ_QUERY_FUNC_RESP_SB_HW_RESPONDER_RETX_ENABLED);
+}
+
+#define BNXT_RE_HW_RETX(a) _is_hw_retx_supported((a))
+
static inline u8 bnxt_qplib_dbr_pacing_en(struct bnxt_qplib_chip_ctx *cctx)
{
return cctx->modes.dbr_pacing;
diff --git a/drivers/infiniband/hw/bnxt_re/qplib_sp.c b/drivers/infiniband/hw/bnxt_re/qplib_sp.c
index a27b685151..8beeedd150 100644
--- a/drivers/infiniband/hw/bnxt_re/qplib_sp.c
+++ b/drivers/infiniband/hw/bnxt_re/qplib_sp.c
@@ -59,7 +59,7 @@ static bool bnxt_qplib_is_atomic_cap(struct bnxt_qplib_rcfw *rcfw)
{
u16 pcie_ctl2 = 0;
- if (!bnxt_qplib_is_chip_gen_p5(rcfw->res->cctx))
+ if (!bnxt_qplib_is_chip_gen_p5_p7(rcfw->res->cctx))
return false;
pcie_capability_read_word(rcfw->pdev, PCI_EXP_DEVCTL2, &pcie_ctl2);
@@ -133,7 +133,7 @@ int bnxt_qplib_get_dev_attr(struct bnxt_qplib_rcfw *rcfw,
* reporting the max number
*/
attr->max_qp_wqes -= BNXT_QPLIB_RESERVED_QP_WRS + 1;
- attr->max_qp_sges = bnxt_qplib_is_chip_gen_p5(rcfw->res->cctx) ?
+ attr->max_qp_sges = bnxt_qplib_is_chip_gen_p5_p7(rcfw->res->cctx) ?
6 : sb->max_sge;
attr->max_cq = le32_to_cpu(sb->max_cq);
attr->max_cq_wqes = le32_to_cpu(sb->max_cqe);
@@ -151,8 +151,9 @@ int bnxt_qplib_get_dev_attr(struct bnxt_qplib_rcfw *rcfw,
attr->max_srq_sges = sb->max_srq_sge;
attr->max_pkey = 1;
attr->max_inline_data = le32_to_cpu(sb->max_inline_data);
- attr->l2_db_size = (sb->l2_db_space_size + 1) *
- (0x01 << RCFW_DBR_BASE_PAGE_SHIFT);
+ if (!bnxt_qplib_is_chip_gen_p7(rcfw->res->cctx))
+ attr->l2_db_size = (sb->l2_db_space_size + 1) *
+ (0x01 << RCFW_DBR_BASE_PAGE_SHIFT);
attr->max_sgid = BNXT_QPLIB_NUM_GIDS_SUPPORTED;
attr->dev_cap_flags = le16_to_cpu(sb->dev_cap_flags);
@@ -934,7 +935,7 @@ int bnxt_qplib_modify_cc(struct bnxt_qplib_res *res,
req->inactivity_th = cpu_to_le16(cc_param->inact_th);
/* For chip gen P5 onwards fill extended cmd and header */
- if (bnxt_qplib_is_chip_gen_p5(res->cctx)) {
+ if (bnxt_qplib_is_chip_gen_p5_p7(res->cctx)) {
struct roce_tlv *hdr;
u32 payload;
u32 chunks;
diff --git a/drivers/infiniband/hw/bnxt_re/roce_hsi.h b/drivers/infiniband/hw/bnxt_re/roce_hsi.h
index 84b5acd7f7..605c9463c4 100644
--- a/drivers/infiniband/hw/bnxt_re/roce_hsi.h
+++ b/drivers/infiniband/hw/bnxt_re/roce_hsi.h
@@ -555,7 +555,12 @@ struct cmdq_modify_qp {
__le16 flags;
__le16 cookie;
u8 resp_size;
- u8 reserved8;
+ u8 qp_type;
+ #define CMDQ_MODIFY_QP_QP_TYPE_RC 0x2UL
+ #define CMDQ_MODIFY_QP_QP_TYPE_UD 0x4UL
+ #define CMDQ_MODIFY_QP_QP_TYPE_RAW_ETHERTYPE 0x6UL
+ #define CMDQ_MODIFY_QP_QP_TYPE_GSI 0x7UL
+ #define CMDQ_MODIFY_QP_QP_TYPE_LAST CMDQ_MODIFY_QP_QP_TYPE_GSI
__le64 resp_addr;
__le32 modify_mask;
#define CMDQ_MODIFY_QP_MODIFY_MASK_STATE 0x1UL
@@ -611,14 +616,12 @@ struct cmdq_modify_qp {
#define CMDQ_MODIFY_QP_NETWORK_TYPE_ROCEV2_IPV6 (0x3UL << 6)
#define CMDQ_MODIFY_QP_NETWORK_TYPE_LAST CMDQ_MODIFY_QP_NETWORK_TYPE_ROCEV2_IPV6
u8 access;
- #define CMDQ_MODIFY_QP_ACCESS_REMOTE_ATOMIC_REMOTE_READ_REMOTE_WRITE_LOCAL_WRITE_MASK \
- 0xffUL
- #define CMDQ_MODIFY_QP_ACCESS_REMOTE_ATOMIC_REMOTE_READ_REMOTE_WRITE_LOCAL_WRITE_SFT \
- 0
- #define CMDQ_MODIFY_QP_ACCESS_LOCAL_WRITE 0x1UL
- #define CMDQ_MODIFY_QP_ACCESS_REMOTE_WRITE 0x2UL
- #define CMDQ_MODIFY_QP_ACCESS_REMOTE_READ 0x4UL
- #define CMDQ_MODIFY_QP_ACCESS_REMOTE_ATOMIC 0x8UL
+ #define CMDQ_MODIFY_QP_ACCESS_REMOTE_ATOMIC_REMOTE_READ_REMOTE_WRITE_LOCAL_WRITE_MASK 0xffUL
+ #define CMDQ_MODIFY_QP_ACCESS_REMOTE_ATOMIC_REMOTE_READ_REMOTE_WRITE_LOCAL_WRITE_SFT 0
+ #define CMDQ_MODIFY_QP_ACCESS_LOCAL_WRITE 0x1UL
+ #define CMDQ_MODIFY_QP_ACCESS_REMOTE_WRITE 0x2UL
+ #define CMDQ_MODIFY_QP_ACCESS_REMOTE_READ 0x4UL
+ #define CMDQ_MODIFY_QP_ACCESS_REMOTE_ATOMIC 0x8UL
__le16 pkey;
__le32 qkey;
__le32 dgid[4];
@@ -673,6 +676,13 @@ struct cmdq_modify_qp {
#define CMDQ_MODIFY_QP_VLAN_PCP_SFT 13
__le64 irrq_addr;
__le64 orrq_addr;
+ __le32 ext_modify_mask;
+ #define CMDQ_MODIFY_QP_EXT_MODIFY_MASK_EXT_STATS_CTX 0x1UL
+ #define CMDQ_MODIFY_QP_EXT_MODIFY_MASK_SCHQ_ID_VALID 0x2UL
+ __le32 ext_stats_ctx_id;
+ __le16 schq_id;
+ __le16 unused_0;
+ __le32 reserved32;
};
/* creq_modify_qp_resp (size:128b/16B) */
@@ -3075,6 +3085,17 @@ struct sq_psn_search_ext {
__le32 reserved32;
};
+/* sq_msn_search (size:64b/8B) */
+struct sq_msn_search {
+ __le64 start_idx_next_psn_start_psn;
+ #define SQ_MSN_SEARCH_START_PSN_MASK 0xffffffUL
+ #define SQ_MSN_SEARCH_START_PSN_SFT 0
+ #define SQ_MSN_SEARCH_NEXT_PSN_MASK 0xffffff000000ULL
+ #define SQ_MSN_SEARCH_NEXT_PSN_SFT 24
+ #define SQ_MSN_SEARCH_START_IDX_MASK 0xffff000000000000ULL
+ #define SQ_MSN_SEARCH_START_IDX_SFT 48
+};
+
/* sq_send (size:1024b/128B) */
struct sq_send {
u8 wqe_type;
@@ -3763,13 +3784,35 @@ struct cq_base {
#define CQ_BASE_CQE_TYPE_RES_UD (0x2UL << 1)
#define CQ_BASE_CQE_TYPE_RES_RAWETH_QP1 (0x3UL << 1)
#define CQ_BASE_CQE_TYPE_RES_UD_CFA (0x4UL << 1)
+ #define CQ_BASE_CQE_TYPE_REQ_V3 (0x8UL << 1)
+ #define CQ_BASE_CQE_TYPE_RES_RC_V3 (0x9UL << 1)
+ #define CQ_BASE_CQE_TYPE_RES_UD_V3 (0xaUL << 1)
+ #define CQ_BASE_CQE_TYPE_RES_RAWETH_QP1_V3 (0xbUL << 1)
+ #define CQ_BASE_CQE_TYPE_RES_UD_CFA_V3 (0xcUL << 1)
#define CQ_BASE_CQE_TYPE_NO_OP (0xdUL << 1)
#define CQ_BASE_CQE_TYPE_TERMINAL (0xeUL << 1)
#define CQ_BASE_CQE_TYPE_CUT_OFF (0xfUL << 1)
#define CQ_BASE_CQE_TYPE_LAST CQ_BASE_CQE_TYPE_CUT_OFF
u8 status;
+ #define CQ_BASE_STATUS_OK 0x0UL
+ #define CQ_BASE_STATUS_BAD_RESPONSE_ERR 0x1UL
+ #define CQ_BASE_STATUS_LOCAL_LENGTH_ERR 0x2UL
+ #define CQ_BASE_STATUS_HW_LOCAL_LENGTH_ERR 0x3UL
+ #define CQ_BASE_STATUS_LOCAL_QP_OPERATION_ERR 0x4UL
+ #define CQ_BASE_STATUS_LOCAL_PROTECTION_ERR 0x5UL
+ #define CQ_BASE_STATUS_LOCAL_ACCESS_ERROR 0x6UL
+ #define CQ_BASE_STATUS_MEMORY_MGT_OPERATION_ERR 0x7UL
+ #define CQ_BASE_STATUS_REMOTE_INVALID_REQUEST_ERR 0x8UL
+ #define CQ_BASE_STATUS_REMOTE_ACCESS_ERR 0x9UL
+ #define CQ_BASE_STATUS_REMOTE_OPERATION_ERR 0xaUL
+ #define CQ_BASE_STATUS_RNR_NAK_RETRY_CNT_ERR 0xbUL
+ #define CQ_BASE_STATUS_TRANSPORT_RETRY_CNT_ERR 0xcUL
+ #define CQ_BASE_STATUS_WORK_REQUEST_FLUSHED_ERR 0xdUL
+ #define CQ_BASE_STATUS_HW_FLUSH_ERR 0xeUL
+ #define CQ_BASE_STATUS_OVERFLOW_ERR 0xfUL
+ #define CQ_BASE_STATUS_LAST CQ_BASE_STATUS_OVERFLOW_ERR
__le16 reserved16;
- __le32 reserved32;
+ __le32 opaque;
};
/* cq_req (size:256b/32B) */
@@ -4384,6 +4427,8 @@ struct cq_cutoff {
#define CQ_CUTOFF_CQE_TYPE_SFT 1
#define CQ_CUTOFF_CQE_TYPE_CUT_OFF (0xfUL << 1)
#define CQ_CUTOFF_CQE_TYPE_LAST CQ_CUTOFF_CQE_TYPE_CUT_OFF
+ #define CQ_CUTOFF_RESIZE_TOGGLE_MASK 0x60UL
+ #define CQ_CUTOFF_RESIZE_TOGGLE_SFT 5
u8 status;
#define CQ_CUTOFF_STATUS_OK 0x0UL
#define CQ_CUTOFF_STATUS_LAST CQ_CUTOFF_STATUS_OK
@@ -4435,6 +4480,8 @@ struct nq_srq_event {
#define NQ_SRQ_EVENT_TYPE_SFT 0
#define NQ_SRQ_EVENT_TYPE_SRQ_EVENT 0x32UL
#define NQ_SRQ_EVENT_TYPE_LAST NQ_SRQ_EVENT_TYPE_SRQ_EVENT
+ #define NQ_SRQ_EVENT_TOGGLE_MASK 0xc0UL
+ #define NQ_SRQ_EVENT_TOGGLE_SFT 6
u8 event;
#define NQ_SRQ_EVENT_EVENT_SRQ_THRESHOLD_EVENT 0x1UL
#define NQ_SRQ_EVENT_EVENT_LAST NQ_SRQ_EVENT_EVENT_SRQ_THRESHOLD_EVENT
diff --git a/drivers/infiniband/hw/efa/efa.h b/drivers/infiniband/hw/efa/efa.h
index 7352a1f5d8..e2bdec32ae 100644
--- a/drivers/infiniband/hw/efa/efa.h
+++ b/drivers/infiniband/hw/efa/efa.h
@@ -1,6 +1,6 @@
/* SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause */
/*
- * Copyright 2018-2021 Amazon.com, Inc. or its affiliates. All rights reserved.
+ * Copyright 2018-2024 Amazon.com, Inc. or its affiliates. All rights reserved.
*/
#ifndef _EFA_H_
@@ -80,9 +80,19 @@ struct efa_pd {
u16 pdn;
};
+struct efa_mr_interconnect_info {
+ u16 recv_ic_id;
+ u16 rdma_read_ic_id;
+ u16 rdma_recv_ic_id;
+ u8 recv_ic_id_valid : 1;
+ u8 rdma_read_ic_id_valid : 1;
+ u8 rdma_recv_ic_id_valid : 1;
+};
+
struct efa_mr {
struct ib_mr ibmr;
struct ib_umem *umem;
+ struct efa_mr_interconnect_info ic_info;
};
struct efa_cq {
diff --git a/drivers/infiniband/hw/efa/efa_admin_cmds_defs.h b/drivers/infiniband/hw/efa/efa_admin_cmds_defs.h
index 9c65bd27ba..7377c8a9f4 100644
--- a/drivers/infiniband/hw/efa/efa_admin_cmds_defs.h
+++ b/drivers/infiniband/hw/efa/efa_admin_cmds_defs.h
@@ -1,6 +1,6 @@
/* SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause */
/*
- * Copyright 2018-2023 Amazon.com, Inc. or its affiliates. All rights reserved.
+ * Copyright 2018-2024 Amazon.com, Inc. or its affiliates. All rights reserved.
*/
#ifndef _EFA_ADMIN_CMDS_H_
@@ -415,6 +415,32 @@ struct efa_admin_reg_mr_resp {
* memory region
*/
u32 r_key;
+
+ /*
+ * Mask indicating which fields have valid values
+ * 0 : recv_ic_id
+ * 1 : rdma_read_ic_id
+ * 2 : rdma_recv_ic_id
+ */
+ u8 validity;
+
+ /*
+ * Physical interconnect used by the device to reach the MR for receive
+ * operation
+ */
+ u8 recv_ic_id;
+
+ /*
+ * Physical interconnect used by the device to reach the MR for RDMA
+ * read operation
+ */
+ u8 rdma_read_ic_id;
+
+ /*
+ * Physical interconnect used by the device to reach the MR for RDMA
+ * write receive
+ */
+ u8 rdma_recv_ic_id;
};
struct efa_admin_dereg_mr_cmd {
@@ -999,6 +1025,11 @@ struct efa_admin_host_info {
#define EFA_ADMIN_REG_MR_CMD_REMOTE_WRITE_ENABLE_MASK BIT(1)
#define EFA_ADMIN_REG_MR_CMD_REMOTE_READ_ENABLE_MASK BIT(2)
+/* reg_mr_resp */
+#define EFA_ADMIN_REG_MR_RESP_RECV_IC_ID_MASK BIT(0)
+#define EFA_ADMIN_REG_MR_RESP_RDMA_READ_IC_ID_MASK BIT(1)
+#define EFA_ADMIN_REG_MR_RESP_RDMA_RECV_IC_ID_MASK BIT(2)
+
/* create_cq_cmd */
#define EFA_ADMIN_CREATE_CQ_CMD_INTERRUPT_MODE_ENABLED_MASK BIT(5)
#define EFA_ADMIN_CREATE_CQ_CMD_VIRT_MASK BIT(6)
diff --git a/drivers/infiniband/hw/efa/efa_com_cmd.c b/drivers/infiniband/hw/efa/efa_com_cmd.c
index 576811885d..d3398c7b0b 100644
--- a/drivers/infiniband/hw/efa/efa_com_cmd.c
+++ b/drivers/infiniband/hw/efa/efa_com_cmd.c
@@ -1,6 +1,6 @@
// SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause
/*
- * Copyright 2018-2023 Amazon.com, Inc. or its affiliates. All rights reserved.
+ * Copyright 2018-2024 Amazon.com, Inc. or its affiliates. All rights reserved.
*/
#include "efa_com.h"
@@ -270,6 +270,15 @@ int efa_com_register_mr(struct efa_com_dev *edev,
result->l_key = cmd_completion.l_key;
result->r_key = cmd_completion.r_key;
+ result->ic_info.recv_ic_id = cmd_completion.recv_ic_id;
+ result->ic_info.rdma_read_ic_id = cmd_completion.rdma_read_ic_id;
+ result->ic_info.rdma_recv_ic_id = cmd_completion.rdma_recv_ic_id;
+ result->ic_info.recv_ic_id_valid = EFA_GET(&cmd_completion.validity,
+ EFA_ADMIN_REG_MR_RESP_RECV_IC_ID);
+ result->ic_info.rdma_read_ic_id_valid = EFA_GET(&cmd_completion.validity,
+ EFA_ADMIN_REG_MR_RESP_RDMA_READ_IC_ID);
+ result->ic_info.rdma_recv_ic_id_valid = EFA_GET(&cmd_completion.validity,
+ EFA_ADMIN_REG_MR_RESP_RDMA_RECV_IC_ID);
return 0;
}
diff --git a/drivers/infiniband/hw/efa/efa_com_cmd.h b/drivers/infiniband/hw/efa/efa_com_cmd.h
index fc97f37bb3..720a99ba0f 100644
--- a/drivers/infiniband/hw/efa/efa_com_cmd.h
+++ b/drivers/infiniband/hw/efa/efa_com_cmd.h
@@ -1,6 +1,6 @@
/* SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause */
/*
- * Copyright 2018-2023 Amazon.com, Inc. or its affiliates. All rights reserved.
+ * Copyright 2018-2024 Amazon.com, Inc. or its affiliates. All rights reserved.
*/
#ifndef _EFA_COM_CMD_H_
@@ -199,6 +199,15 @@ struct efa_com_reg_mr_params {
u8 indirect;
};
+struct efa_com_mr_interconnect_info {
+ u16 recv_ic_id;
+ u16 rdma_read_ic_id;
+ u16 rdma_recv_ic_id;
+ u8 recv_ic_id_valid : 1;
+ u8 rdma_read_ic_id_valid : 1;
+ u8 rdma_recv_ic_id_valid : 1;
+};
+
struct efa_com_reg_mr_result {
/*
* To be used in conjunction with local buffers references in SQ and
@@ -210,6 +219,7 @@ struct efa_com_reg_mr_result {
* accessed memory region
*/
u32 r_key;
+ struct efa_com_mr_interconnect_info ic_info;
};
struct efa_com_dereg_mr_params {
diff --git a/drivers/infiniband/hw/efa/efa_main.c b/drivers/infiniband/hw/efa/efa_main.c
index 15ee920811..7b1910a862 100644
--- a/drivers/infiniband/hw/efa/efa_main.c
+++ b/drivers/infiniband/hw/efa/efa_main.c
@@ -1,6 +1,6 @@
// SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause
/*
- * Copyright 2018-2022 Amazon.com, Inc. or its affiliates. All rights reserved.
+ * Copyright 2018-2024 Amazon.com, Inc. or its affiliates. All rights reserved.
*/
#include <linux/module.h>
@@ -9,6 +9,7 @@
#include <linux/version.h>
#include <rdma/ib_user_verbs.h>
+#include <rdma/uverbs_ioctl.h>
#include "efa.h"
@@ -36,6 +37,8 @@ MODULE_DEVICE_TABLE(pci, efa_pci_tbl);
(BIT(EFA_ADMIN_FATAL_ERROR) | BIT(EFA_ADMIN_WARNING) | \
BIT(EFA_ADMIN_NOTIFICATION) | BIT(EFA_ADMIN_KEEP_ALIVE))
+extern const struct uapi_definition efa_uapi_defs[];
+
/* This handler will called for unknown event group or unimplemented handlers */
static void unimplemented_aenq_handler(void *data,
struct efa_admin_aenq_entry *aenq_e)
@@ -432,6 +435,8 @@ static int efa_ib_device_add(struct efa_dev *dev)
ib_set_device_ops(&dev->ibdev, &efa_dev_ops);
+ dev->ibdev.driver_def = efa_uapi_defs;
+
err = ib_register_device(&dev->ibdev, "efa_%d", &pdev->dev);
if (err)
goto err_destroy_eqs;
diff --git a/drivers/infiniband/hw/efa/efa_verbs.c b/drivers/infiniband/hw/efa/efa_verbs.c
index 0f8ca99d08..2f412db2ed 100644
--- a/drivers/infiniband/hw/efa/efa_verbs.c
+++ b/drivers/infiniband/hw/efa/efa_verbs.c
@@ -1,6 +1,6 @@
// SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB
/*
- * Copyright 2018-2023 Amazon.com, Inc. or its affiliates. All rights reserved.
+ * Copyright 2018-2024 Amazon.com, Inc. or its affiliates. All rights reserved.
*/
#include <linux/dma-buf.h>
@@ -13,6 +13,9 @@
#include <rdma/ib_user_verbs.h>
#include <rdma/ib_verbs.h>
#include <rdma/uverbs_ioctl.h>
+#define UVERBS_MODULE_NAME efa_ib
+#include <rdma/uverbs_named_ioctl.h>
+#include <rdma/ib_user_ioctl_cmds.h>
#include "efa.h"
#include "efa_io_defs.h"
@@ -1653,6 +1656,12 @@ static int efa_register_mr(struct ib_pd *ibpd, struct efa_mr *mr, u64 start,
mr->ibmr.lkey = result.l_key;
mr->ibmr.rkey = result.r_key;
mr->ibmr.length = length;
+ mr->ic_info.recv_ic_id = result.ic_info.recv_ic_id;
+ mr->ic_info.rdma_read_ic_id = result.ic_info.rdma_read_ic_id;
+ mr->ic_info.rdma_recv_ic_id = result.ic_info.rdma_recv_ic_id;
+ mr->ic_info.recv_ic_id_valid = result.ic_info.recv_ic_id_valid;
+ mr->ic_info.rdma_read_ic_id_valid = result.ic_info.rdma_read_ic_id_valid;
+ mr->ic_info.rdma_recv_ic_id_valid = result.ic_info.rdma_recv_ic_id_valid;
ibdev_dbg(&dev->ibdev, "Registered mr[%d]\n", mr->ibmr.lkey);
return 0;
@@ -1735,6 +1744,39 @@ err_out:
return ERR_PTR(err);
}
+static int UVERBS_HANDLER(EFA_IB_METHOD_MR_QUERY)(struct uverbs_attr_bundle *attrs)
+{
+ struct ib_mr *ibmr = uverbs_attr_get_obj(attrs, EFA_IB_ATTR_QUERY_MR_HANDLE);
+ struct efa_mr *mr = to_emr(ibmr);
+ u16 ic_id_validity = 0;
+ int ret;
+
+ ret = uverbs_copy_to(attrs, EFA_IB_ATTR_QUERY_MR_RESP_RECV_IC_ID,
+ &mr->ic_info.recv_ic_id, sizeof(mr->ic_info.recv_ic_id));
+ if (ret)
+ return ret;
+
+ ret = uverbs_copy_to(attrs, EFA_IB_ATTR_QUERY_MR_RESP_RDMA_READ_IC_ID,
+ &mr->ic_info.rdma_read_ic_id, sizeof(mr->ic_info.rdma_read_ic_id));
+ if (ret)
+ return ret;
+
+ ret = uverbs_copy_to(attrs, EFA_IB_ATTR_QUERY_MR_RESP_RDMA_RECV_IC_ID,
+ &mr->ic_info.rdma_recv_ic_id, sizeof(mr->ic_info.rdma_recv_ic_id));
+ if (ret)
+ return ret;
+
+ if (mr->ic_info.recv_ic_id_valid)
+ ic_id_validity |= EFA_QUERY_MR_VALIDITY_RECV_IC_ID;
+ if (mr->ic_info.rdma_read_ic_id_valid)
+ ic_id_validity |= EFA_QUERY_MR_VALIDITY_RDMA_READ_IC_ID;
+ if (mr->ic_info.rdma_recv_ic_id_valid)
+ ic_id_validity |= EFA_QUERY_MR_VALIDITY_RDMA_RECV_IC_ID;
+
+ return uverbs_copy_to(attrs, EFA_IB_ATTR_QUERY_MR_RESP_IC_ID_VALIDITY,
+ &ic_id_validity, sizeof(ic_id_validity));
+}
+
int efa_dereg_mr(struct ib_mr *ibmr, struct ib_udata *udata)
{
struct efa_dev *dev = to_edev(ibmr->device);
@@ -2157,3 +2199,30 @@ enum rdma_link_layer efa_port_link_layer(struct ib_device *ibdev,
return IB_LINK_LAYER_UNSPECIFIED;
}
+DECLARE_UVERBS_NAMED_METHOD(EFA_IB_METHOD_MR_QUERY,
+ UVERBS_ATTR_IDR(EFA_IB_ATTR_QUERY_MR_HANDLE,
+ UVERBS_OBJECT_MR,
+ UVERBS_ACCESS_READ,
+ UA_MANDATORY),
+ UVERBS_ATTR_PTR_OUT(EFA_IB_ATTR_QUERY_MR_RESP_IC_ID_VALIDITY,
+ UVERBS_ATTR_TYPE(u16),
+ UA_MANDATORY),
+ UVERBS_ATTR_PTR_OUT(EFA_IB_ATTR_QUERY_MR_RESP_RECV_IC_ID,
+ UVERBS_ATTR_TYPE(u16),
+ UA_MANDATORY),
+ UVERBS_ATTR_PTR_OUT(EFA_IB_ATTR_QUERY_MR_RESP_RDMA_READ_IC_ID,
+ UVERBS_ATTR_TYPE(u16),
+ UA_MANDATORY),
+ UVERBS_ATTR_PTR_OUT(EFA_IB_ATTR_QUERY_MR_RESP_RDMA_RECV_IC_ID,
+ UVERBS_ATTR_TYPE(u16),
+ UA_MANDATORY));
+
+ADD_UVERBS_METHODS(efa_mr,
+ UVERBS_OBJECT_MR,
+ &UVERBS_METHOD(EFA_IB_METHOD_MR_QUERY));
+
+const struct uapi_definition efa_uapi_defs[] = {
+ UAPI_DEF_CHAIN_OBJ_TREE(UVERBS_OBJECT_MR,
+ &efa_mr),
+ {},
+};
diff --git a/drivers/infiniband/hw/erdma/erdma.h b/drivers/infiniband/hw/erdma/erdma.h
index f190111840..5df401a30c 100644
--- a/drivers/infiniband/hw/erdma/erdma.h
+++ b/drivers/infiniband/hw/erdma/erdma.h
@@ -212,6 +212,8 @@ struct erdma_dev {
atomic_t num_ctx;
struct list_head cep_list;
+
+ struct dma_pool *resp_pool;
};
static inline void *get_queue_entry(void *qbuf, u32 idx, u32 depth, u32 shift)
diff --git a/drivers/infiniband/hw/erdma/erdma_hw.h b/drivers/infiniband/hw/erdma/erdma_hw.h
index 9d316fdc6f..3212a12227 100644
--- a/drivers/infiniband/hw/erdma/erdma_hw.h
+++ b/drivers/infiniband/hw/erdma/erdma_hw.h
@@ -11,8 +11,6 @@
#include <linux/types.h>
/* PCIe device related definition. */
-#define PCI_VENDOR_ID_ALIBABA 0x1ded
-
#define ERDMA_PCI_WIDTH 64
#define ERDMA_FUNC_BAR 0
#define ERDMA_MISX_BAR 2
@@ -146,6 +144,7 @@ enum CMDQ_COMMON_OPCODE {
CMDQ_OPCODE_DESTROY_EQ = 1,
CMDQ_OPCODE_QUERY_FW_INFO = 2,
CMDQ_OPCODE_CONF_MTU = 3,
+ CMDQ_OPCODE_GET_STATS = 4,
CMDQ_OPCODE_CONF_DEVICE = 5,
CMDQ_OPCODE_ALLOC_DB = 8,
CMDQ_OPCODE_FREE_DB = 9,
@@ -357,6 +356,44 @@ struct erdma_cmdq_reflush_req {
u32 rq_pi;
};
+#define ERDMA_HW_RESP_SIZE 256
+
+struct erdma_cmdq_query_req {
+ u64 hdr;
+ u32 rsvd;
+ u32 index;
+
+ u64 target_addr;
+ u32 target_length;
+};
+
+#define ERDMA_HW_RESP_MAGIC 0x5566
+
+struct erdma_cmdq_query_resp_hdr {
+ u16 magic;
+ u8 ver;
+ u8 length;
+
+ u32 index;
+ u32 rsvd[2];
+};
+
+struct erdma_cmdq_query_stats_resp {
+ struct erdma_cmdq_query_resp_hdr hdr;
+
+ u64 tx_req_cnt;
+ u64 tx_packets_cnt;
+ u64 tx_bytes_cnt;
+ u64 tx_drop_packets_cnt;
+ u64 tx_bps_meter_drop_packets_cnt;
+ u64 tx_pps_meter_drop_packets_cnt;
+ u64 rx_packets_cnt;
+ u64 rx_bytes_cnt;
+ u64 rx_drop_packets_cnt;
+ u64 rx_bps_meter_drop_packets_cnt;
+ u64 rx_pps_meter_drop_packets_cnt;
+};
+
/* cap qword 0 definition */
#define ERDMA_CMD_DEV_CAP_MAX_CQE_MASK GENMASK_ULL(47, 40)
#define ERDMA_CMD_DEV_CAP_FLAGS_MASK GENMASK_ULL(31, 24)
diff --git a/drivers/infiniband/hw/erdma/erdma_main.c b/drivers/infiniband/hw/erdma/erdma_main.c
index 0880c79a97..472939172f 100644
--- a/drivers/infiniband/hw/erdma/erdma_main.c
+++ b/drivers/infiniband/hw/erdma/erdma_main.c
@@ -172,14 +172,30 @@ static int erdma_device_init(struct erdma_dev *dev, struct pci_dev *pdev)
{
int ret;
+ dev->resp_pool = dma_pool_create("erdma_resp_pool", &pdev->dev,
+ ERDMA_HW_RESP_SIZE, ERDMA_HW_RESP_SIZE,
+ 0);
+ if (!dev->resp_pool)
+ return -ENOMEM;
+
ret = dma_set_mask_and_coherent(&pdev->dev,
DMA_BIT_MASK(ERDMA_PCI_WIDTH));
if (ret)
- return ret;
+ goto destroy_pool;
dma_set_max_seg_size(&pdev->dev, UINT_MAX);
return 0;
+
+destroy_pool:
+ dma_pool_destroy(dev->resp_pool);
+
+ return ret;
+}
+
+static void erdma_device_uninit(struct erdma_dev *dev)
+{
+ dma_pool_destroy(dev->resp_pool);
}
static void erdma_hw_reset(struct erdma_dev *dev)
@@ -273,7 +289,7 @@ static int erdma_probe_dev(struct pci_dev *pdev)
err = erdma_request_vectors(dev);
if (err)
- goto err_iounmap_func_bar;
+ goto err_uninit_device;
err = erdma_comm_irq_init(dev);
if (err)
@@ -314,6 +330,9 @@ err_uninit_comm_irq:
err_free_vectors:
pci_free_irq_vectors(dev->pdev);
+err_uninit_device:
+ erdma_device_uninit(dev);
+
err_iounmap_func_bar:
devm_iounmap(&pdev->dev, dev->func_bar);
@@ -339,6 +358,7 @@ static void erdma_remove_dev(struct pci_dev *pdev)
erdma_aeq_destroy(dev);
erdma_comm_irq_uninit(dev);
pci_free_irq_vectors(dev->pdev);
+ erdma_device_uninit(dev);
devm_iounmap(&pdev->dev, dev->func_bar);
pci_release_selected_regions(pdev, ERDMA_BAR_MASK);
@@ -448,6 +468,7 @@ static const struct ib_device_ops erdma_device_ops = {
.driver_id = RDMA_DRIVER_ERDMA,
.uverbs_abi_ver = ERDMA_ABI_VERSION,
+ .alloc_hw_port_stats = erdma_alloc_hw_port_stats,
.alloc_mr = erdma_ib_alloc_mr,
.alloc_pd = erdma_alloc_pd,
.alloc_ucontext = erdma_alloc_ucontext,
@@ -459,6 +480,7 @@ static const struct ib_device_ops erdma_device_ops = {
.destroy_cq = erdma_destroy_cq,
.destroy_qp = erdma_destroy_qp,
.get_dma_mr = erdma_get_dma_mr,
+ .get_hw_stats = erdma_get_hw_stats,
.get_port_immutable = erdma_get_port_immutable,
.iw_accept = erdma_accept,
.iw_add_ref = erdma_qp_get_ref,
diff --git a/drivers/infiniband/hw/erdma/erdma_verbs.c b/drivers/infiniband/hw/erdma/erdma_verbs.c
index c317947563..23dfc01603 100644
--- a/drivers/infiniband/hw/erdma/erdma_verbs.c
+++ b/drivers/infiniband/hw/erdma/erdma_verbs.c
@@ -1708,3 +1708,93 @@ void erdma_port_event(struct erdma_dev *dev, enum ib_event_type reason)
ib_dispatch_event(&event);
}
+
+enum counters {
+ ERDMA_STATS_TX_REQS_CNT,
+ ERDMA_STATS_TX_PACKETS_CNT,
+ ERDMA_STATS_TX_BYTES_CNT,
+ ERDMA_STATS_TX_DISABLE_DROP_CNT,
+ ERDMA_STATS_TX_BPS_METER_DROP_CNT,
+ ERDMA_STATS_TX_PPS_METER_DROP_CNT,
+
+ ERDMA_STATS_RX_PACKETS_CNT,
+ ERDMA_STATS_RX_BYTES_CNT,
+ ERDMA_STATS_RX_DISABLE_DROP_CNT,
+ ERDMA_STATS_RX_BPS_METER_DROP_CNT,
+ ERDMA_STATS_RX_PPS_METER_DROP_CNT,
+
+ ERDMA_STATS_MAX
+};
+
+static const struct rdma_stat_desc erdma_descs[] = {
+ [ERDMA_STATS_TX_REQS_CNT].name = "tx_reqs_cnt",
+ [ERDMA_STATS_TX_PACKETS_CNT].name = "tx_packets_cnt",
+ [ERDMA_STATS_TX_BYTES_CNT].name = "tx_bytes_cnt",
+ [ERDMA_STATS_TX_DISABLE_DROP_CNT].name = "tx_disable_drop_cnt",
+ [ERDMA_STATS_TX_BPS_METER_DROP_CNT].name = "tx_bps_limit_drop_cnt",
+ [ERDMA_STATS_TX_PPS_METER_DROP_CNT].name = "tx_pps_limit_drop_cnt",
+ [ERDMA_STATS_RX_PACKETS_CNT].name = "rx_packets_cnt",
+ [ERDMA_STATS_RX_BYTES_CNT].name = "rx_bytes_cnt",
+ [ERDMA_STATS_RX_DISABLE_DROP_CNT].name = "rx_disable_drop_cnt",
+ [ERDMA_STATS_RX_BPS_METER_DROP_CNT].name = "rx_bps_limit_drop_cnt",
+ [ERDMA_STATS_RX_PPS_METER_DROP_CNT].name = "rx_pps_limit_drop_cnt",
+};
+
+struct rdma_hw_stats *erdma_alloc_hw_port_stats(struct ib_device *device,
+ u32 port_num)
+{
+ return rdma_alloc_hw_stats_struct(erdma_descs, ERDMA_STATS_MAX,
+ RDMA_HW_STATS_DEFAULT_LIFESPAN);
+}
+
+static int erdma_query_hw_stats(struct erdma_dev *dev,
+ struct rdma_hw_stats *stats)
+{
+ struct erdma_cmdq_query_stats_resp *resp;
+ struct erdma_cmdq_query_req req;
+ dma_addr_t dma_addr;
+ int err;
+
+ erdma_cmdq_build_reqhdr(&req.hdr, CMDQ_SUBMOD_COMMON,
+ CMDQ_OPCODE_GET_STATS);
+
+ resp = dma_pool_zalloc(dev->resp_pool, GFP_KERNEL, &dma_addr);
+ if (!resp)
+ return -ENOMEM;
+
+ req.target_addr = dma_addr;
+ req.target_length = ERDMA_HW_RESP_SIZE;
+
+ err = erdma_post_cmd_wait(&dev->cmdq, &req, sizeof(req), NULL, NULL);
+ if (err)
+ goto out;
+
+ if (resp->hdr.magic != ERDMA_HW_RESP_MAGIC) {
+ err = -EINVAL;
+ goto out;
+ }
+
+ memcpy(&stats->value[0], &resp->tx_req_cnt,
+ sizeof(u64) * stats->num_counters);
+
+out:
+ dma_pool_free(dev->resp_pool, resp, dma_addr);
+
+ return err;
+}
+
+int erdma_get_hw_stats(struct ib_device *ibdev, struct rdma_hw_stats *stats,
+ u32 port, int index)
+{
+ struct erdma_dev *dev = to_edev(ibdev);
+ int ret;
+
+ if (port == 0)
+ return 0;
+
+ ret = erdma_query_hw_stats(dev, stats);
+ if (ret)
+ return ret;
+
+ return stats->num_counters;
+}
diff --git a/drivers/infiniband/hw/erdma/erdma_verbs.h b/drivers/infiniband/hw/erdma/erdma_verbs.h
index eb9c0f92fb..db6018529c 100644
--- a/drivers/infiniband/hw/erdma/erdma_verbs.h
+++ b/drivers/infiniband/hw/erdma/erdma_verbs.h
@@ -361,5 +361,9 @@ int erdma_map_mr_sg(struct ib_mr *ibmr, struct scatterlist *sg, int sg_nents,
unsigned int *sg_offset);
void erdma_port_event(struct erdma_dev *dev, enum ib_event_type reason);
void erdma_set_mtu(struct erdma_dev *dev, u32 mtu);
+struct rdma_hw_stats *erdma_alloc_hw_port_stats(struct ib_device *device,
+ u32 port_num);
+int erdma_get_hw_stats(struct ib_device *ibdev, struct rdma_hw_stats *stats,
+ u32 port, int index);
#endif
diff --git a/drivers/infiniband/hw/hfi1/user_exp_rcv.c b/drivers/infiniband/hw/hfi1/user_exp_rcv.c
index 6419872f95..cf2d290984 100644
--- a/drivers/infiniband/hw/hfi1/user_exp_rcv.c
+++ b/drivers/infiniband/hw/hfi1/user_exp_rcv.c
@@ -491,8 +491,8 @@ int hfi1_user_exp_rcv_clear(struct hfi1_filedata *fd,
if (unlikely(tinfo->tidcnt > fd->tid_used))
return -EINVAL;
- tidinfo = memdup_user(u64_to_user_ptr(tinfo->tidlist),
- sizeof(tidinfo[0]) * tinfo->tidcnt);
+ tidinfo = memdup_array_user(u64_to_user_ptr(tinfo->tidlist),
+ tinfo->tidcnt, sizeof(tidinfo[0]));
if (IS_ERR(tidinfo))
return PTR_ERR(tidinfo);
diff --git a/drivers/infiniband/hw/hfi1/user_sdma.c b/drivers/infiniband/hw/hfi1/user_sdma.c
index 6a4aa59c0c..b72625283f 100644
--- a/drivers/infiniband/hw/hfi1/user_sdma.c
+++ b/drivers/infiniband/hw/hfi1/user_sdma.c
@@ -494,8 +494,8 @@ int hfi1_user_sdma_process_request(struct hfi1_filedata *fd,
* equal to the pkt count. However, there is no way to
* tell at this point.
*/
- tmp = memdup_user(iovec[idx].iov_base,
- ntids * sizeof(*req->tids));
+ tmp = memdup_array_user(iovec[idx].iov_base,
+ ntids, sizeof(*req->tids));
if (IS_ERR(tmp)) {
ret = PTR_ERR(tmp);
SDMA_DBG(req, "Failed to copy %d TIDs (%d)",
diff --git a/drivers/infiniband/hw/hns/Makefile b/drivers/infiniband/hw/hns/Makefile
index a7d2592383..be1e1cdbcf 100644
--- a/drivers/infiniband/hw/hns/Makefile
+++ b/drivers/infiniband/hw/hns/Makefile
@@ -7,7 +7,8 @@ ccflags-y := -I $(srctree)/drivers/net/ethernet/hisilicon/hns3
hns-roce-objs := hns_roce_main.o hns_roce_cmd.o hns_roce_pd.o \
hns_roce_ah.o hns_roce_hem.o hns_roce_mr.o hns_roce_qp.o \
- hns_roce_cq.o hns_roce_alloc.o hns_roce_db.o hns_roce_srq.o hns_roce_restrack.o
+ hns_roce_cq.o hns_roce_alloc.o hns_roce_db.o hns_roce_srq.o hns_roce_restrack.o \
+ hns_roce_debugfs.o
ifdef CONFIG_INFINIBAND_HNS_HIP08
hns-roce-hw-v2-objs := hns_roce_hw_v2.o $(hns-roce-objs)
diff --git a/drivers/infiniband/hw/hns/hns_roce_ah.c b/drivers/infiniband/hw/hns/hns_roce_ah.c
index 3df032ddda..b4209b6aed 100644
--- a/drivers/infiniband/hw/hns/hns_roce_ah.c
+++ b/drivers/infiniband/hw/hns/hns_roce_ah.c
@@ -57,6 +57,7 @@ int hns_roce_create_ah(struct ib_ah *ibah, struct rdma_ah_init_attr *init_attr,
struct rdma_ah_attr *ah_attr = init_attr->ah_attr;
const struct ib_global_route *grh = rdma_ah_read_grh(ah_attr);
struct hns_roce_dev *hr_dev = to_hr_dev(ibah->device);
+ struct hns_roce_ib_create_ah_resp resp = {};
struct hns_roce_ah *ah = to_hr_ah(ibah);
int ret = 0;
u32 max_sl;
@@ -92,11 +93,21 @@ int hns_roce_create_ah(struct ib_ah *ibah, struct rdma_ah_init_attr *init_attr,
ret = rdma_read_gid_l2_fields(ah_attr->grh.sgid_attr,
&ah->av.vlan_id, NULL);
if (ret)
- return ret;
+ goto err_out;
ah->av.vlan_en = ah->av.vlan_id < VLAN_N_VID;
}
+ if (udata) {
+ memcpy(resp.dmac, ah_attr->roce.dmac, ETH_ALEN);
+ ret = ib_copy_to_udata(udata, &resp,
+ min(udata->outlen, sizeof(resp)));
+ }
+
+err_out:
+ if (ret)
+ atomic64_inc(&hr_dev->dfx_cnt[HNS_ROCE_DFX_AH_CREATE_ERR_CNT]);
+
return ret;
}
diff --git a/drivers/infiniband/hw/hns/hns_roce_cmd.c b/drivers/infiniband/hw/hns/hns_roce_cmd.c
index 8644136075..873e8a69a1 100644
--- a/drivers/infiniband/hw/hns/hns_roce_cmd.c
+++ b/drivers/infiniband/hw/hns/hns_roce_cmd.c
@@ -41,7 +41,15 @@
static int hns_roce_cmd_mbox_post_hw(struct hns_roce_dev *hr_dev,
struct hns_roce_mbox_msg *mbox_msg)
{
- return hr_dev->hw->post_mbox(hr_dev, mbox_msg);
+ int ret;
+
+ ret = hr_dev->hw->post_mbox(hr_dev, mbox_msg);
+ if (ret)
+ return ret;
+
+ atomic64_inc(&hr_dev->dfx_cnt[HNS_ROCE_DFX_MBX_POSTED_CNT]);
+
+ return 0;
}
/* this should be called with "poll_sem" */
@@ -58,7 +66,13 @@ static int __hns_roce_cmd_mbox_poll(struct hns_roce_dev *hr_dev,
return ret;
}
- return hr_dev->hw->poll_mbox_done(hr_dev);
+ ret = hr_dev->hw->poll_mbox_done(hr_dev);
+ if (ret)
+ return ret;
+
+ atomic64_inc(&hr_dev->dfx_cnt[HNS_ROCE_DFX_MBX_POLLED_CNT]);
+
+ return 0;
}
static int hns_roce_cmd_mbox_poll(struct hns_roce_dev *hr_dev,
@@ -89,6 +103,7 @@ void hns_roce_cmd_event(struct hns_roce_dev *hr_dev, u16 token, u8 status,
context->result = (status == HNS_ROCE_CMD_SUCCESS) ? 0 : (-EIO);
context->out_param = out_param;
complete(&context->done);
+ atomic64_inc(&hr_dev->dfx_cnt[HNS_ROCE_DFX_MBX_EVENT_CNT]);
}
static int __hns_roce_cmd_mbox_wait(struct hns_roce_dev *hr_dev,
diff --git a/drivers/infiniband/hw/hns/hns_roce_cq.c b/drivers/infiniband/hw/hns/hns_roce_cq.c
index 736dc2f993..1b6d16af8c 100644
--- a/drivers/infiniband/hw/hns/hns_roce_cq.c
+++ b/drivers/infiniband/hw/hns/hns_roce_cq.c
@@ -363,29 +363,31 @@ int hns_roce_create_cq(struct ib_cq *ib_cq, const struct ib_cq_init_attr *attr,
struct hns_roce_ib_create_cq ucmd = {};
int ret;
- if (attr->flags)
- return -EOPNOTSUPP;
+ if (attr->flags) {
+ ret = -EOPNOTSUPP;
+ goto err_out;
+ }
ret = verify_cq_create_attr(hr_dev, attr);
if (ret)
- return ret;
+ goto err_out;
if (udata) {
ret = get_cq_ucmd(hr_cq, udata, &ucmd);
if (ret)
- return ret;
+ goto err_out;
}
set_cq_param(hr_cq, attr->cqe, attr->comp_vector, &ucmd);
ret = set_cqe_size(hr_cq, udata, &ucmd);
if (ret)
- return ret;
+ goto err_out;
ret = alloc_cq_buf(hr_dev, hr_cq, udata, ucmd.buf_addr);
if (ret) {
ibdev_err(ibdev, "failed to alloc CQ buf, ret = %d.\n", ret);
- return ret;
+ goto err_out;
}
ret = alloc_cq_db(hr_dev, hr_cq, udata, ucmd.db_addr, &resp);
@@ -430,6 +432,9 @@ err_cq_db:
free_cq_db(hr_dev, hr_cq, udata);
err_cq_buf:
free_cq_buf(hr_dev, hr_cq);
+err_out:
+ atomic64_inc(&hr_dev->dfx_cnt[HNS_ROCE_DFX_CQ_CREATE_ERR_CNT]);
+
return ret;
}
diff --git a/drivers/infiniband/hw/hns/hns_roce_debugfs.c b/drivers/infiniband/hw/hns/hns_roce_debugfs.c
new file mode 100644
index 0000000000..e8febb40f6
--- /dev/null
+++ b/drivers/infiniband/hw/hns/hns_roce_debugfs.c
@@ -0,0 +1,110 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (c) 2023 Hisilicon Limited.
+ */
+
+#include <linux/debugfs.h>
+#include <linux/device.h>
+
+#include "hns_roce_device.h"
+
+static struct dentry *hns_roce_dbgfs_root;
+
+static int hns_debugfs_seqfile_open(struct inode *inode, struct file *f)
+{
+ struct hns_debugfs_seqfile *seqfile = inode->i_private;
+
+ return single_open(f, seqfile->read, seqfile->data);
+}
+
+static const struct file_operations hns_debugfs_seqfile_fops = {
+ .owner = THIS_MODULE,
+ .open = hns_debugfs_seqfile_open,
+ .release = single_release,
+ .read = seq_read,
+ .llseek = seq_lseek
+};
+
+static void init_debugfs_seqfile(struct hns_debugfs_seqfile *seq,
+ const char *name, struct dentry *parent,
+ int (*read_fn)(struct seq_file *, void *),
+ void *data)
+{
+ debugfs_create_file(name, 0400, parent, seq, &hns_debugfs_seqfile_fops);
+
+ seq->read = read_fn;
+ seq->data = data;
+}
+
+static const char * const sw_stat_info[] = {
+ [HNS_ROCE_DFX_AEQE_CNT] = "aeqe",
+ [HNS_ROCE_DFX_CEQE_CNT] = "ceqe",
+ [HNS_ROCE_DFX_CMDS_CNT] = "cmds",
+ [HNS_ROCE_DFX_CMDS_ERR_CNT] = "cmds_err",
+ [HNS_ROCE_DFX_MBX_POSTED_CNT] = "posted_mbx",
+ [HNS_ROCE_DFX_MBX_POLLED_CNT] = "polled_mbx",
+ [HNS_ROCE_DFX_MBX_EVENT_CNT] = "mbx_event",
+ [HNS_ROCE_DFX_QP_CREATE_ERR_CNT] = "qp_create_err",
+ [HNS_ROCE_DFX_QP_MODIFY_ERR_CNT] = "qp_modify_err",
+ [HNS_ROCE_DFX_CQ_CREATE_ERR_CNT] = "cq_create_err",
+ [HNS_ROCE_DFX_CQ_MODIFY_ERR_CNT] = "cq_modify_err",
+ [HNS_ROCE_DFX_SRQ_CREATE_ERR_CNT] = "srq_create_err",
+ [HNS_ROCE_DFX_SRQ_MODIFY_ERR_CNT] = "srq_modify_err",
+ [HNS_ROCE_DFX_XRCD_ALLOC_ERR_CNT] = "xrcd_alloc_err",
+ [HNS_ROCE_DFX_MR_REG_ERR_CNT] = "mr_reg_err",
+ [HNS_ROCE_DFX_MR_REREG_ERR_CNT] = "mr_rereg_err",
+ [HNS_ROCE_DFX_AH_CREATE_ERR_CNT] = "ah_create_err",
+ [HNS_ROCE_DFX_MMAP_ERR_CNT] = "mmap_err",
+ [HNS_ROCE_DFX_UCTX_ALLOC_ERR_CNT] = "uctx_alloc_err",
+};
+
+static int sw_stat_debugfs_show(struct seq_file *file, void *offset)
+{
+ struct hns_roce_dev *hr_dev = file->private;
+ int i;
+
+ for (i = 0; i < HNS_ROCE_DFX_CNT_TOTAL; i++)
+ seq_printf(file, "%-20s --- %lld\n", sw_stat_info[i],
+ atomic64_read(&hr_dev->dfx_cnt[i]));
+
+ return 0;
+}
+
+static void create_sw_stat_debugfs(struct hns_roce_dev *hr_dev,
+ struct dentry *parent)
+{
+ struct hns_sw_stat_debugfs *dbgfs = &hr_dev->dbgfs.sw_stat_root;
+
+ dbgfs->root = debugfs_create_dir("sw_stat", parent);
+
+ init_debugfs_seqfile(&dbgfs->sw_stat, "sw_stat", dbgfs->root,
+ sw_stat_debugfs_show, hr_dev);
+}
+
+/* debugfs for device */
+void hns_roce_register_debugfs(struct hns_roce_dev *hr_dev)
+{
+ struct hns_roce_dev_debugfs *dbgfs = &hr_dev->dbgfs;
+
+ dbgfs->root = debugfs_create_dir(dev_name(&hr_dev->ib_dev.dev),
+ hns_roce_dbgfs_root);
+
+ create_sw_stat_debugfs(hr_dev, dbgfs->root);
+}
+
+void hns_roce_unregister_debugfs(struct hns_roce_dev *hr_dev)
+{
+ debugfs_remove_recursive(hr_dev->dbgfs.root);
+}
+
+/* debugfs for hns module */
+void hns_roce_init_debugfs(void)
+{
+ hns_roce_dbgfs_root = debugfs_create_dir("hns_roce", NULL);
+}
+
+void hns_roce_cleanup_debugfs(void)
+{
+ debugfs_remove_recursive(hns_roce_dbgfs_root);
+ hns_roce_dbgfs_root = NULL;
+}
diff --git a/drivers/infiniband/hw/hns/hns_roce_debugfs.h b/drivers/infiniband/hw/hns/hns_roce_debugfs.h
new file mode 100644
index 0000000000..98e87bd316
--- /dev/null
+++ b/drivers/infiniband/hw/hns/hns_roce_debugfs.h
@@ -0,0 +1,33 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Copyright (c) 2023 Hisilicon Limited.
+ */
+
+#ifndef __HNS_ROCE_DEBUGFS_H
+#define __HNS_ROCE_DEBUGFS_H
+
+/* debugfs seqfile */
+struct hns_debugfs_seqfile {
+ int (*read)(struct seq_file *seq, void *data);
+ void *data;
+};
+
+struct hns_sw_stat_debugfs {
+ struct dentry *root;
+ struct hns_debugfs_seqfile sw_stat;
+};
+
+/* Debugfs for device */
+struct hns_roce_dev_debugfs {
+ struct dentry *root;
+ struct hns_sw_stat_debugfs sw_stat_root;
+};
+
+struct hns_roce_dev;
+
+void hns_roce_init_debugfs(void);
+void hns_roce_cleanup_debugfs(void);
+void hns_roce_register_debugfs(struct hns_roce_dev *hr_dev);
+void hns_roce_unregister_debugfs(struct hns_roce_dev *hr_dev);
+
+#endif
diff --git a/drivers/infiniband/hw/hns/hns_roce_device.h b/drivers/infiniband/hw/hns/hns_roce_device.h
index f08417d372..46f8a63109 100644
--- a/drivers/infiniband/hw/hns/hns_roce_device.h
+++ b/drivers/infiniband/hw/hns/hns_roce_device.h
@@ -35,6 +35,7 @@
#include <rdma/ib_verbs.h>
#include <rdma/hns-abi.h>
+#include "hns_roce_debugfs.h"
#define PCI_REVISION_ID_HIP08 0x21
#define PCI_REVISION_ID_HIP09 0x30
@@ -870,6 +871,29 @@ enum hns_roce_hw_pkt_stat_index {
HNS_ROCE_HW_CNT_TOTAL
};
+enum hns_roce_sw_dfx_stat_index {
+ HNS_ROCE_DFX_AEQE_CNT,
+ HNS_ROCE_DFX_CEQE_CNT,
+ HNS_ROCE_DFX_CMDS_CNT,
+ HNS_ROCE_DFX_CMDS_ERR_CNT,
+ HNS_ROCE_DFX_MBX_POSTED_CNT,
+ HNS_ROCE_DFX_MBX_POLLED_CNT,
+ HNS_ROCE_DFX_MBX_EVENT_CNT,
+ HNS_ROCE_DFX_QP_CREATE_ERR_CNT,
+ HNS_ROCE_DFX_QP_MODIFY_ERR_CNT,
+ HNS_ROCE_DFX_CQ_CREATE_ERR_CNT,
+ HNS_ROCE_DFX_CQ_MODIFY_ERR_CNT,
+ HNS_ROCE_DFX_SRQ_CREATE_ERR_CNT,
+ HNS_ROCE_DFX_SRQ_MODIFY_ERR_CNT,
+ HNS_ROCE_DFX_XRCD_ALLOC_ERR_CNT,
+ HNS_ROCE_DFX_MR_REG_ERR_CNT,
+ HNS_ROCE_DFX_MR_REREG_ERR_CNT,
+ HNS_ROCE_DFX_AH_CREATE_ERR_CNT,
+ HNS_ROCE_DFX_MMAP_ERR_CNT,
+ HNS_ROCE_DFX_UCTX_ALLOC_ERR_CNT,
+ HNS_ROCE_DFX_CNT_TOTAL
+};
+
struct hns_roce_hw {
int (*cmq_init)(struct hns_roce_dev *hr_dev);
void (*cmq_exit)(struct hns_roce_dev *hr_dev);
@@ -980,6 +1004,8 @@ struct hns_roce_dev {
u32 is_vf;
u32 cong_algo_tmpl_id;
u64 dwqe_page;
+ struct hns_roce_dev_debugfs dbgfs;
+ atomic64_t *dfx_cnt;
};
static inline struct hns_roce_dev *to_hr_dev(struct ib_device *ib_dev)
diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
index 81d6d4331c..34e58e09b1 100644
--- a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
+++ b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
@@ -1297,6 +1297,8 @@ static int __hns_roce_cmq_send(struct hns_roce_dev *hr_dev,
/* Write to hardware */
roce_write(hr_dev, ROCEE_TX_CMQ_PI_REG, csq->head);
+ atomic64_inc(&hr_dev->dfx_cnt[HNS_ROCE_DFX_CMDS_CNT]);
+
do {
if (hns_roce_cmq_csq_done(hr_dev))
break;
@@ -1334,6 +1336,9 @@ static int __hns_roce_cmq_send(struct hns_roce_dev *hr_dev,
spin_unlock_bh(&csq->lock);
+ if (ret)
+ atomic64_inc(&hr_dev->dfx_cnt[HNS_ROCE_DFX_CMDS_ERR_CNT]);
+
return ret;
}
@@ -2055,6 +2060,7 @@ static void set_hem_page_size(struct hns_roce_dev *hr_dev)
/* Apply all loaded caps before setting to hardware */
static void apply_func_caps(struct hns_roce_dev *hr_dev)
{
+#define MAX_GID_TBL_LEN 256
struct hns_roce_caps *caps = &hr_dev->caps;
struct hns_roce_v2_priv *priv = hr_dev->priv;
@@ -2090,8 +2096,14 @@ static void apply_func_caps(struct hns_roce_dev *hr_dev)
caps->gmv_entry_sz = HNS_ROCE_V3_GMV_ENTRY_SZ;
caps->gmv_hop_num = HNS_ROCE_HOP_NUM_0;
- caps->gid_table_len[0] = caps->gmv_bt_num *
- (HNS_HW_PAGE_SIZE / caps->gmv_entry_sz);
+
+ /* It's meaningless to support excessively large gid_table_len,
+ * as the type of sgid_index in kernel struct ib_global_route
+ * and userspace struct ibv_global_route are u8/uint8_t (0-255).
+ */
+ caps->gid_table_len[0] = min_t(u32, MAX_GID_TBL_LEN,
+ caps->gmv_bt_num *
+ (HNS_HW_PAGE_SIZE / caps->gmv_entry_sz));
caps->gmv_entry_num = caps->gmv_bt_num * (PAGE_SIZE /
caps->gmv_entry_sz);
@@ -5675,19 +5687,25 @@ static int hns_roce_v2_modify_srq(struct ib_srq *ibsrq,
struct hns_roce_srq_context *srq_context;
struct hns_roce_srq_context *srqc_mask;
struct hns_roce_cmd_mailbox *mailbox;
- int ret;
+ int ret = 0;
/* Resizing SRQs is not supported yet */
- if (srq_attr_mask & IB_SRQ_MAX_WR)
- return -EOPNOTSUPP;
+ if (srq_attr_mask & IB_SRQ_MAX_WR) {
+ ret = -EOPNOTSUPP;
+ goto out;
+ }
if (srq_attr_mask & IB_SRQ_LIMIT) {
- if (srq_attr->srq_limit > srq->wqe_cnt)
- return -EINVAL;
+ if (srq_attr->srq_limit > srq->wqe_cnt) {
+ ret = -EINVAL;
+ goto out;
+ }
mailbox = hns_roce_alloc_cmd_mailbox(hr_dev);
- if (IS_ERR(mailbox))
- return PTR_ERR(mailbox);
+ if (IS_ERR(mailbox)) {
+ ret = PTR_ERR(mailbox);
+ goto out;
+ }
srq_context = mailbox->buf;
srqc_mask = (struct hns_roce_srq_context *)mailbox->buf + 1;
@@ -5700,15 +5718,17 @@ static int hns_roce_v2_modify_srq(struct ib_srq *ibsrq,
ret = hns_roce_cmd_mbox(hr_dev, mailbox->dma, 0,
HNS_ROCE_CMD_MODIFY_SRQC, srq->srqn);
hns_roce_free_cmd_mailbox(hr_dev, mailbox);
- if (ret) {
+ if (ret)
ibdev_err(&hr_dev->ib_dev,
"failed to handle cmd of modifying SRQ, ret = %d.\n",
ret);
- return ret;
- }
}
- return 0;
+out:
+ if (ret)
+ atomic64_inc(&hr_dev->dfx_cnt[HNS_ROCE_DFX_SRQ_MODIFY_ERR_CNT]);
+
+ return ret;
}
static int hns_roce_v2_query_srq(struct ib_srq *ibsrq, struct ib_srq_attr *attr)
@@ -5752,8 +5772,9 @@ static int hns_roce_v2_modify_cq(struct ib_cq *cq, u16 cq_count, u16 cq_period)
int ret;
mailbox = hns_roce_alloc_cmd_mailbox(hr_dev);
- if (IS_ERR(mailbox))
- return PTR_ERR(mailbox);
+ ret = PTR_ERR_OR_ZERO(mailbox);
+ if (ret)
+ goto err_out;
cq_context = mailbox->buf;
cqc_mask = (struct hns_roce_v2_cq_context *)mailbox->buf + 1;
@@ -5783,6 +5804,10 @@ static int hns_roce_v2_modify_cq(struct ib_cq *cq, u16 cq_count, u16 cq_period)
"failed to process cmd when modifying CQ, ret = %d.\n",
ret);
+err_out:
+ if (ret)
+ atomic64_inc(&hr_dev->dfx_cnt[HNS_ROCE_DFX_CQ_MODIFY_ERR_CNT]);
+
return ret;
}
@@ -6022,6 +6047,8 @@ static irqreturn_t hns_roce_v2_aeq_int(struct hns_roce_dev *hr_dev,
++eq->cons_index;
aeqe_found = IRQ_HANDLED;
+ atomic64_inc(&hr_dev->dfx_cnt[HNS_ROCE_DFX_AEQE_CNT]);
+
hns_roce_v2_init_irq_work(hr_dev, eq, queue_num);
aeqe = next_aeqe_sw_v2(eq);
@@ -6063,6 +6090,7 @@ static irqreturn_t hns_roce_v2_ceq_int(struct hns_roce_dev *hr_dev,
++eq->cons_index;
ceqe_found = IRQ_HANDLED;
+ atomic64_inc(&hr_dev->dfx_cnt[HNS_ROCE_DFX_CEQE_CNT]);
ceqe = next_ceqe_sw_v2(eq);
}
@@ -6465,15 +6493,16 @@ static int __hns_roce_request_irq(struct hns_roce_dev *hr_dev, int irq_num,
/* irq contains: abnormal + AEQ + CEQ */
for (j = 0; j < other_num; j++)
snprintf((char *)hr_dev->irq_names[j], HNS_ROCE_INT_NAME_LEN,
- "hns-abn-%d", j);
+ "hns-%s-abn-%d", pci_name(hr_dev->pci_dev), j);
for (j = other_num; j < (other_num + aeq_num); j++)
snprintf((char *)hr_dev->irq_names[j], HNS_ROCE_INT_NAME_LEN,
- "hns-aeq-%d", j - other_num);
+ "hns-%s-aeq-%d", pci_name(hr_dev->pci_dev), j - other_num);
for (j = (other_num + aeq_num); j < irq_num; j++)
snprintf((char *)hr_dev->irq_names[j], HNS_ROCE_INT_NAME_LEN,
- "hns-ceq-%d", j - other_num - aeq_num);
+ "hns-%s-ceq-%d", pci_name(hr_dev->pci_dev),
+ j - other_num - aeq_num);
for (j = 0; j < irq_num; j++) {
if (j < other_num)
@@ -6971,12 +7000,14 @@ static struct hnae3_client hns_roce_hw_v2_client = {
static int __init hns_roce_hw_v2_init(void)
{
+ hns_roce_init_debugfs();
return hnae3_register_client(&hns_roce_hw_v2_client);
}
static void __exit hns_roce_hw_v2_exit(void)
{
hnae3_unregister_client(&hns_roce_hw_v2_client);
+ hns_roce_cleanup_debugfs();
}
module_init(hns_roce_hw_v2_init);
diff --git a/drivers/infiniband/hw/hns/hns_roce_main.c b/drivers/infiniband/hw/hns/hns_roce_main.c
index a4a10a4e1a..b55fe6911f 100644
--- a/drivers/infiniband/hw/hns/hns_roce_main.c
+++ b/drivers/infiniband/hw/hns/hns_roce_main.c
@@ -361,10 +361,10 @@ static int hns_roce_alloc_ucontext(struct ib_ucontext *uctx,
struct hns_roce_dev *hr_dev = to_hr_dev(uctx->device);
struct hns_roce_ib_alloc_ucontext_resp resp = {};
struct hns_roce_ib_alloc_ucontext ucmd = {};
- int ret;
+ int ret = -EAGAIN;
if (!hr_dev->active)
- return -EAGAIN;
+ goto error_out;
resp.qp_tab_size = hr_dev->caps.num_qps;
resp.srq_tab_size = hr_dev->caps.num_srqs;
@@ -372,7 +372,7 @@ static int hns_roce_alloc_ucontext(struct ib_ucontext *uctx,
ret = ib_copy_from_udata(&ucmd, udata,
min(udata->inlen, sizeof(ucmd)));
if (ret)
- return ret;
+ goto error_out;
if (hr_dev->pci_dev->revision >= PCI_REVISION_ID_HIP09)
context->config = ucmd.config & HNS_ROCE_EXSGE_FLAGS;
@@ -396,7 +396,7 @@ static int hns_roce_alloc_ucontext(struct ib_ucontext *uctx,
ret = hns_roce_uar_alloc(hr_dev, &context->uar);
if (ret)
- goto error_fail_uar_alloc;
+ goto error_out;
ret = hns_roce_alloc_uar_entry(uctx);
if (ret)
@@ -423,7 +423,9 @@ error_fail_copy_to_udata:
error_fail_uar_entry:
ida_free(&hr_dev->uar_ida.ida, (int)context->uar.logic_idx);
-error_fail_uar_alloc:
+error_out:
+ atomic64_inc(&hr_dev->dfx_cnt[HNS_ROCE_DFX_UCTX_ALLOC_ERR_CNT]);
+
return ret;
}
@@ -439,6 +441,7 @@ static void hns_roce_dealloc_ucontext(struct ib_ucontext *ibcontext)
static int hns_roce_mmap(struct ib_ucontext *uctx, struct vm_area_struct *vma)
{
+ struct hns_roce_dev *hr_dev = to_hr_dev(uctx->device);
struct rdma_user_mmap_entry *rdma_entry;
struct hns_user_mmap_entry *entry;
phys_addr_t pfn;
@@ -446,8 +449,10 @@ static int hns_roce_mmap(struct ib_ucontext *uctx, struct vm_area_struct *vma)
int ret;
rdma_entry = rdma_user_mmap_entry_get_pgoff(uctx, vma->vm_pgoff);
- if (!rdma_entry)
+ if (!rdma_entry) {
+ atomic64_inc(&hr_dev->dfx_cnt[HNS_ROCE_DFX_MMAP_ERR_CNT]);
return -EINVAL;
+ }
entry = to_hns_mmap(rdma_entry);
pfn = entry->address >> PAGE_SHIFT;
@@ -467,6 +472,9 @@ static int hns_roce_mmap(struct ib_ucontext *uctx, struct vm_area_struct *vma)
out:
rdma_user_mmap_entry_put(rdma_entry);
+ if (ret)
+ atomic64_inc(&hr_dev->dfx_cnt[HNS_ROCE_DFX_MMAP_ERR_CNT]);
+
return ret;
}
@@ -1009,6 +1017,21 @@ void hns_roce_handle_device_err(struct hns_roce_dev *hr_dev)
spin_unlock_irqrestore(&hr_dev->qp_list_lock, flags);
}
+static int hns_roce_alloc_dfx_cnt(struct hns_roce_dev *hr_dev)
+{
+ hr_dev->dfx_cnt = kvcalloc(HNS_ROCE_DFX_CNT_TOTAL, sizeof(atomic64_t),
+ GFP_KERNEL);
+ if (!hr_dev->dfx_cnt)
+ return -ENOMEM;
+
+ return 0;
+}
+
+static void hns_roce_dealloc_dfx_cnt(struct hns_roce_dev *hr_dev)
+{
+ kvfree(hr_dev->dfx_cnt);
+}
+
int hns_roce_init(struct hns_roce_dev *hr_dev)
{
struct device *dev = hr_dev->dev;
@@ -1016,11 +1039,15 @@ int hns_roce_init(struct hns_roce_dev *hr_dev)
hr_dev->is_reset = false;
+ ret = hns_roce_alloc_dfx_cnt(hr_dev);
+ if (ret)
+ return ret;
+
if (hr_dev->hw->cmq_init) {
ret = hr_dev->hw->cmq_init(hr_dev);
if (ret) {
dev_err(dev, "init RoCE Command Queue failed!\n");
- return ret;
+ goto error_failed_alloc_dfx_cnt;
}
}
@@ -1079,6 +1106,8 @@ int hns_roce_init(struct hns_roce_dev *hr_dev)
if (ret)
goto error_failed_register_device;
+ hns_roce_register_debugfs(hr_dev);
+
return 0;
error_failed_register_device:
@@ -1103,11 +1132,15 @@ error_failed_cmd_init:
if (hr_dev->hw->cmq_exit)
hr_dev->hw->cmq_exit(hr_dev);
+error_failed_alloc_dfx_cnt:
+ hns_roce_dealloc_dfx_cnt(hr_dev);
+
return ret;
}
void hns_roce_exit(struct hns_roce_dev *hr_dev)
{
+ hns_roce_unregister_debugfs(hr_dev);
hns_roce_unregister_device(hr_dev);
if (hr_dev->hw->hw_exit)
@@ -1122,6 +1155,7 @@ void hns_roce_exit(struct hns_roce_dev *hr_dev)
hns_roce_cmd_cleanup(hr_dev);
if (hr_dev->hw->cmq_exit)
hr_dev->hw->cmq_exit(hr_dev);
+ hns_roce_dealloc_dfx_cnt(hr_dev);
}
MODULE_LICENSE("Dual BSD/GPL");
diff --git a/drivers/infiniband/hw/hns/hns_roce_mr.c b/drivers/infiniband/hw/hns/hns_roce_mr.c
index 14376490ac..91cd580480 100644
--- a/drivers/infiniband/hw/hns/hns_roce_mr.c
+++ b/drivers/infiniband/hw/hns/hns_roce_mr.c
@@ -228,8 +228,10 @@ struct ib_mr *hns_roce_reg_user_mr(struct ib_pd *pd, u64 start, u64 length,
int ret;
mr = kzalloc(sizeof(*mr), GFP_KERNEL);
- if (!mr)
- return ERR_PTR(-ENOMEM);
+ if (!mr) {
+ ret = -ENOMEM;
+ goto err_out;
+ }
mr->iova = virt_addr;
mr->size = length;
@@ -259,6 +261,9 @@ err_alloc_key:
free_mr_key(hr_dev, mr);
err_alloc_mr:
kfree(mr);
+err_out:
+ atomic64_inc(&hr_dev->dfx_cnt[HNS_ROCE_DFX_MR_REG_ERR_CNT]);
+
return ERR_PTR(ret);
}
@@ -274,12 +279,15 @@ struct ib_mr *hns_roce_rereg_user_mr(struct ib_mr *ibmr, int flags, u64 start,
unsigned long mtpt_idx;
int ret;
- if (!mr->enabled)
- return ERR_PTR(-EINVAL);
+ if (!mr->enabled) {
+ ret = -EINVAL;
+ goto err_out;
+ }
mailbox = hns_roce_alloc_cmd_mailbox(hr_dev);
- if (IS_ERR(mailbox))
- return ERR_CAST(mailbox);
+ ret = PTR_ERR_OR_ZERO(mailbox);
+ if (ret)
+ goto err_out;
mtpt_idx = key_to_hw_index(mr->key) & (hr_dev->caps.num_mtpts - 1);
@@ -331,8 +339,12 @@ struct ib_mr *hns_roce_rereg_user_mr(struct ib_mr *ibmr, int flags, u64 start,
free_cmd_mbox:
hns_roce_free_cmd_mailbox(hr_dev, mailbox);
- if (ret)
+err_out:
+ if (ret) {
+ atomic64_inc(&hr_dev->dfx_cnt[HNS_ROCE_DFX_MR_REREG_ERR_CNT]);
return ERR_PTR(ret);
+ }
+
return NULL;
}
@@ -674,7 +686,7 @@ static int mtr_alloc_bufs(struct hns_roce_dev *hr_dev, struct hns_roce_mtr *mtr,
mtr->kmem = NULL;
mtr->umem = ib_umem_get(ibdev, user_addr, total_size,
buf_attr->user_access);
- if (IS_ERR_OR_NULL(mtr->umem)) {
+ if (IS_ERR(mtr->umem)) {
ibdev_err(ibdev, "failed to get umem, ret = %ld.\n",
PTR_ERR(mtr->umem));
return -ENOMEM;
diff --git a/drivers/infiniband/hw/hns/hns_roce_pd.c b/drivers/infiniband/hw/hns/hns_roce_pd.c
index bd1fe89ca2..d35cf59d0f 100644
--- a/drivers/infiniband/hw/hns/hns_roce_pd.c
+++ b/drivers/infiniband/hw/hns/hns_roce_pd.c
@@ -149,14 +149,18 @@ int hns_roce_alloc_xrcd(struct ib_xrcd *ib_xrcd, struct ib_udata *udata)
struct hns_roce_xrcd *xrcd = to_hr_xrcd(ib_xrcd);
int ret;
- if (!(hr_dev->caps.flags & HNS_ROCE_CAP_FLAG_XRC))
- return -EOPNOTSUPP;
+ if (!(hr_dev->caps.flags & HNS_ROCE_CAP_FLAG_XRC)) {
+ ret = -EOPNOTSUPP;
+ goto err_out;
+ }
ret = hns_roce_xrcd_alloc(hr_dev, &xrcd->xrcdn);
+
+err_out:
if (ret)
- return ret;
+ atomic64_inc(&hr_dev->dfx_cnt[HNS_ROCE_DFX_XRCD_ALLOC_ERR_CNT]);
- return 0;
+ return ret;
}
int hns_roce_dealloc_xrcd(struct ib_xrcd *ib_xrcd, struct ib_udata *udata)
diff --git a/drivers/infiniband/hw/hns/hns_roce_qp.c b/drivers/infiniband/hw/hns/hns_roce_qp.c
index 828b58534a..31b1472106 100644
--- a/drivers/infiniband/hw/hns/hns_roce_qp.c
+++ b/drivers/infiniband/hw/hns/hns_roce_qp.c
@@ -1216,7 +1216,7 @@ int hns_roce_create_qp(struct ib_qp *qp, struct ib_qp_init_attr *init_attr,
ret = check_qp_type(hr_dev, init_attr->qp_type, !!udata);
if (ret)
- return ret;
+ goto err_out;
if (init_attr->qp_type == IB_QPT_XRC_TGT)
hr_qp->xrcdn = to_hr_xrcd(init_attr->xrcd)->xrcdn;
@@ -1231,6 +1231,10 @@ int hns_roce_create_qp(struct ib_qp *qp, struct ib_qp_init_attr *init_attr,
ibdev_err(ibdev, "create QP type 0x%x failed(%d)\n",
init_attr->qp_type, ret);
+err_out:
+ if (ret)
+ atomic64_inc(&hr_dev->dfx_cnt[HNS_ROCE_DFX_QP_CREATE_ERR_CNT]);
+
return ret;
}
@@ -1366,6 +1370,8 @@ int hns_roce_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr,
out:
mutex_unlock(&hr_qp->mutex);
+ if (ret)
+ atomic64_inc(&hr_dev->dfx_cnt[HNS_ROCE_DFX_QP_MODIFY_ERR_CNT]);
return ret;
}
diff --git a/drivers/infiniband/hw/hns/hns_roce_srq.c b/drivers/infiniband/hw/hns/hns_roce_srq.c
index 4e2d1c8e16..4abae94778 100644
--- a/drivers/infiniband/hw/hns/hns_roce_srq.c
+++ b/drivers/infiniband/hw/hns/hns_roce_srq.c
@@ -475,11 +475,11 @@ int hns_roce_create_srq(struct ib_srq *ib_srq,
ret = set_srq_param(srq, init_attr, udata);
if (ret)
- return ret;
+ goto err_out;
ret = alloc_srq_buf(hr_dev, srq, udata);
if (ret)
- return ret;
+ goto err_out;
ret = alloc_srq_db(hr_dev, srq, udata, &resp);
if (ret)
@@ -517,6 +517,8 @@ err_srq_db:
free_srq_db(hr_dev, srq, udata);
err_srq_buf:
free_srq_buf(hr_dev, srq);
+err_out:
+ atomic64_inc(&hr_dev->dfx_cnt[HNS_ROCE_DFX_SRQ_CREATE_ERR_CNT]);
return ret;
}
diff --git a/drivers/infiniband/hw/irdma/utils.c b/drivers/infiniband/hw/irdma/utils.c
index 916bfe2a91..0422787592 100644
--- a/drivers/infiniband/hw/irdma/utils.c
+++ b/drivers/infiniband/hw/irdma/utils.c
@@ -1393,17 +1393,12 @@ int irdma_ieq_check_mpacrc(struct shash_desc *desc, void *addr, u32 len,
u32 val)
{
u32 crc = 0;
- int ret;
- int ret_code = 0;
- crypto_shash_init(desc);
- ret = crypto_shash_update(desc, addr, len);
- if (!ret)
- crypto_shash_final(desc, (u8 *)&crc);
+ crypto_shash_digest(desc, addr, len, (u8 *)&crc);
if (crc != val)
- ret_code = -EINVAL;
+ return -EINVAL;
- return ret_code;
+ return 0;
}
/**
diff --git a/drivers/infiniband/hw/mana/cq.c b/drivers/infiniband/hw/mana/cq.c
index d141cab8a1..4a71e678d0 100644
--- a/drivers/infiniband/hw/mana/cq.c
+++ b/drivers/infiniband/hw/mana/cq.c
@@ -12,13 +12,20 @@ int mana_ib_create_cq(struct ib_cq *ibcq, const struct ib_cq_init_attr *attr,
struct ib_device *ibdev = ibcq->device;
struct mana_ib_create_cq ucmd = {};
struct mana_ib_dev *mdev;
+ struct gdma_context *gc;
int err;
mdev = container_of(ibdev, struct mana_ib_dev, ib_dev);
+ gc = mdev_to_gc(mdev);
if (udata->inlen < sizeof(ucmd))
return -EINVAL;
+ if (attr->comp_vector > gc->max_num_queues)
+ return -EINVAL;
+
+ cq->comp_vector = attr->comp_vector;
+
err = ib_copy_from_udata(&ucmd, udata, min(sizeof(ucmd), udata->inlen));
if (err) {
ibdev_dbg(ibdev,
@@ -26,7 +33,7 @@ int mana_ib_create_cq(struct ib_cq *ibcq, const struct ib_cq_init_attr *attr,
return err;
}
- if (attr->cqe > MAX_SEND_BUFFERS_PER_QUEUE) {
+ if (attr->cqe > mdev->adapter_caps.max_qp_wr) {
ibdev_dbg(ibdev, "CQE %d exceeding limit\n", attr->cqe);
return -EINVAL;
}
@@ -41,7 +48,7 @@ int mana_ib_create_cq(struct ib_cq *ibcq, const struct ib_cq_init_attr *attr,
return err;
}
- err = mana_ib_gd_create_dma_region(mdev, cq->umem, &cq->gdma_region);
+ err = mana_ib_create_zero_offset_dma_region(mdev, cq->umem, &cq->gdma_region);
if (err) {
ibdev_dbg(ibdev,
"Failed to create dma region for create cq, %d\n",
@@ -50,12 +57,13 @@ int mana_ib_create_cq(struct ib_cq *ibcq, const struct ib_cq_init_attr *attr,
}
ibdev_dbg(ibdev,
- "mana_ib_gd_create_dma_region ret %d gdma_region 0x%llx\n",
+ "create_dma_region ret %d gdma_region 0x%llx\n",
err, cq->gdma_region);
/*
* The CQ ID is not known at this time. The ID is generated at create_qp
*/
+ cq->id = INVALID_QUEUE_ID;
return 0;
@@ -69,11 +77,52 @@ int mana_ib_destroy_cq(struct ib_cq *ibcq, struct ib_udata *udata)
struct mana_ib_cq *cq = container_of(ibcq, struct mana_ib_cq, ibcq);
struct ib_device *ibdev = ibcq->device;
struct mana_ib_dev *mdev;
+ struct gdma_context *gc;
+ int err;
mdev = container_of(ibdev, struct mana_ib_dev, ib_dev);
+ gc = mdev_to_gc(mdev);
+
+ err = mana_ib_gd_destroy_dma_region(mdev, cq->gdma_region);
+ if (err) {
+ ibdev_dbg(ibdev,
+ "Failed to destroy dma region, %d\n", err);
+ return err;
+ }
+
+ if (cq->id != INVALID_QUEUE_ID) {
+ kfree(gc->cq_table[cq->id]);
+ gc->cq_table[cq->id] = NULL;
+ }
- mana_ib_gd_destroy_dma_region(mdev, cq->gdma_region);
ib_umem_release(cq->umem);
return 0;
}
+
+static void mana_ib_cq_handler(void *ctx, struct gdma_queue *gdma_cq)
+{
+ struct mana_ib_cq *cq = ctx;
+
+ if (cq->ibcq.comp_handler)
+ cq->ibcq.comp_handler(&cq->ibcq, cq->ibcq.cq_context);
+}
+
+int mana_ib_install_cq_cb(struct mana_ib_dev *mdev, struct mana_ib_cq *cq)
+{
+ struct gdma_context *gc = mdev_to_gc(mdev);
+ struct gdma_queue *gdma_cq;
+
+ /* Create CQ table entry */
+ WARN_ON(gc->cq_table[cq->id]);
+ gdma_cq = kzalloc(sizeof(*gdma_cq), GFP_KERNEL);
+ if (!gdma_cq)
+ return -ENOMEM;
+
+ gdma_cq->cq.context = cq;
+ gdma_cq->type = GDMA_CQ;
+ gdma_cq->cq.callback = mana_ib_cq_handler;
+ gdma_cq->id = cq->id;
+ gc->cq_table[cq->id] = gdma_cq;
+ return 0;
+}
diff --git a/drivers/infiniband/hw/mana/device.c b/drivers/infiniband/hw/mana/device.c
index d4541b8707..6fa902ee80 100644
--- a/drivers/infiniband/hw/mana/device.c
+++ b/drivers/infiniband/hw/mana/device.c
@@ -68,7 +68,6 @@ static int mana_ib_probe(struct auxiliary_device *adev,
ibdev_dbg(&dev->ib_dev, "mdev=%p id=%d num_ports=%d\n", mdev,
mdev->dev_id.as_uint32, dev->ib_dev.phys_port_cnt);
- dev->gdma_dev = mdev;
dev->ib_dev.node_type = RDMA_NODE_IB_CA;
/*
@@ -78,16 +77,35 @@ static int mana_ib_probe(struct auxiliary_device *adev,
dev->ib_dev.num_comp_vectors = 1;
dev->ib_dev.dev.parent = mdev->gdma_context->dev;
- ret = ib_register_device(&dev->ib_dev, "mana_%d",
- mdev->gdma_context->dev);
+ ret = mana_gd_register_device(&mdev->gdma_context->mana_ib);
+ if (ret) {
+ ibdev_err(&dev->ib_dev, "Failed to register device, ret %d",
+ ret);
+ goto free_ib_device;
+ }
+ dev->gdma_dev = &mdev->gdma_context->mana_ib;
+
+ ret = mana_ib_gd_query_adapter_caps(dev);
if (ret) {
- ib_dealloc_device(&dev->ib_dev);
- return ret;
+ ibdev_err(&dev->ib_dev, "Failed to query device caps, ret %d",
+ ret);
+ goto deregister_device;
}
+ ret = ib_register_device(&dev->ib_dev, "mana_%d",
+ mdev->gdma_context->dev);
+ if (ret)
+ goto deregister_device;
+
dev_set_drvdata(&adev->dev, dev);
return 0;
+
+deregister_device:
+ mana_gd_deregister_device(dev->gdma_dev);
+free_ib_device:
+ ib_dealloc_device(&dev->ib_dev);
+ return ret;
}
static void mana_ib_remove(struct auxiliary_device *adev)
@@ -95,6 +113,9 @@ static void mana_ib_remove(struct auxiliary_device *adev)
struct mana_ib_dev *dev = dev_get_drvdata(&adev->dev);
ib_unregister_device(&dev->ib_dev);
+
+ mana_gd_deregister_device(dev->gdma_dev);
+
ib_dealloc_device(&dev->ib_dev);
}
diff --git a/drivers/infiniband/hw/mana/main.c b/drivers/infiniband/hw/mana/main.c
index ab91009aea..71e33feee6 100644
--- a/drivers/infiniband/hw/mana/main.c
+++ b/drivers/infiniband/hw/mana/main.c
@@ -8,13 +8,10 @@
void mana_ib_uncfg_vport(struct mana_ib_dev *dev, struct mana_ib_pd *pd,
u32 port)
{
- struct gdma_dev *gd = dev->gdma_dev;
struct mana_port_context *mpc;
struct net_device *ndev;
- struct mana_context *mc;
- mc = gd->driver_data;
- ndev = mc->ports[port];
+ ndev = mana_ib_get_netdev(&dev->ib_dev, port);
mpc = netdev_priv(ndev);
mutex_lock(&pd->vport_mutex);
@@ -31,14 +28,11 @@ void mana_ib_uncfg_vport(struct mana_ib_dev *dev, struct mana_ib_pd *pd,
int mana_ib_cfg_vport(struct mana_ib_dev *dev, u32 port, struct mana_ib_pd *pd,
u32 doorbell_id)
{
- struct gdma_dev *mdev = dev->gdma_dev;
struct mana_port_context *mpc;
- struct mana_context *mc;
struct net_device *ndev;
int err;
- mc = mdev->driver_data;
- ndev = mc->ports[port];
+ ndev = mana_ib_get_netdev(&dev->ib_dev, port);
mpc = netdev_priv(ndev);
mutex_lock(&pd->vport_mutex);
@@ -79,17 +73,17 @@ int mana_ib_alloc_pd(struct ib_pd *ibpd, struct ib_udata *udata)
struct gdma_create_pd_req req = {};
enum gdma_pd_flags flags = 0;
struct mana_ib_dev *dev;
- struct gdma_dev *mdev;
+ struct gdma_context *gc;
int err;
dev = container_of(ibdev, struct mana_ib_dev, ib_dev);
- mdev = dev->gdma_dev;
+ gc = mdev_to_gc(dev);
mana_gd_init_req_hdr(&req.hdr, GDMA_CREATE_PD, sizeof(req),
sizeof(resp));
req.flags = flags;
- err = mana_gd_send_request(mdev->gdma_context, sizeof(req), &req,
+ err = mana_gd_send_request(gc, sizeof(req), &req,
sizeof(resp), &resp);
if (err || resp.hdr.status) {
@@ -119,17 +113,17 @@ int mana_ib_dealloc_pd(struct ib_pd *ibpd, struct ib_udata *udata)
struct gdma_destory_pd_resp resp = {};
struct gdma_destroy_pd_req req = {};
struct mana_ib_dev *dev;
- struct gdma_dev *mdev;
+ struct gdma_context *gc;
int err;
dev = container_of(ibdev, struct mana_ib_dev, ib_dev);
- mdev = dev->gdma_dev;
+ gc = mdev_to_gc(dev);
mana_gd_init_req_hdr(&req.hdr, GDMA_DESTROY_PD, sizeof(req),
sizeof(resp));
req.pd_handle = pd->pd_handle;
- err = mana_gd_send_request(mdev->gdma_context, sizeof(req), &req,
+ err = mana_gd_send_request(gc, sizeof(req), &req,
sizeof(resp), &resp);
if (err || resp.hdr.status) {
@@ -206,13 +200,11 @@ int mana_ib_alloc_ucontext(struct ib_ucontext *ibcontext,
struct ib_device *ibdev = ibcontext->device;
struct mana_ib_dev *mdev;
struct gdma_context *gc;
- struct gdma_dev *dev;
int doorbell_page;
int ret;
mdev = container_of(ibdev, struct mana_ib_dev, ib_dev);
- dev = mdev->gdma_dev;
- gc = dev->gdma_context;
+ gc = mdev_to_gc(mdev);
/* Allocate a doorbell page index */
ret = mana_gd_allocate_doorbell_page(gc, &doorbell_page);
@@ -238,7 +230,7 @@ void mana_ib_dealloc_ucontext(struct ib_ucontext *ibcontext)
int ret;
mdev = container_of(ibdev, struct mana_ib_dev, ib_dev);
- gc = mdev->gdma_dev->gdma_context;
+ gc = mdev_to_gc(mdev);
ret = mana_gd_destroy_doorbell_page(gc, mana_ucontext->doorbell);
if (ret)
@@ -309,8 +301,8 @@ mana_ib_gd_add_dma_region(struct mana_ib_dev *dev, struct gdma_context *gc,
return 0;
}
-int mana_ib_gd_create_dma_region(struct mana_ib_dev *dev, struct ib_umem *umem,
- mana_handle_t *gdma_region)
+static int mana_ib_gd_create_dma_region(struct mana_ib_dev *dev, struct ib_umem *umem,
+ mana_handle_t *gdma_region, unsigned long page_sz)
{
struct gdma_dma_region_add_pages_req *add_req = NULL;
size_t num_pages_processed = 0, num_pages_to_handle;
@@ -322,23 +314,14 @@ int mana_ib_gd_create_dma_region(struct mana_ib_dev *dev, struct ib_umem *umem,
size_t max_pgs_create_cmd;
struct gdma_context *gc;
size_t num_pages_total;
- struct gdma_dev *mdev;
- unsigned long page_sz;
unsigned int tail = 0;
u64 *page_addr_list;
void *request_buf;
int err;
- mdev = dev->gdma_dev;
- gc = mdev->gdma_context;
+ gc = mdev_to_gc(dev);
hwc = gc->hwc.driver_data;
- /* Hardware requires dma region to align to chosen page size */
- page_sz = ib_umem_find_best_pgsz(umem, PAGE_SZ_BM, 0);
- if (!page_sz) {
- ibdev_dbg(&dev->ib_dev, "failed to find page size.\n");
- return -ENOMEM;
- }
num_pages_total = ib_umem_num_dma_blocks(umem, page_sz);
max_pgs_create_cmd =
@@ -424,12 +407,39 @@ out:
return err;
}
+int mana_ib_create_dma_region(struct mana_ib_dev *dev, struct ib_umem *umem,
+ mana_handle_t *gdma_region, u64 virt)
+{
+ unsigned long page_sz;
+
+ page_sz = ib_umem_find_best_pgsz(umem, PAGE_SZ_BM, virt);
+ if (!page_sz) {
+ ibdev_dbg(&dev->ib_dev, "Failed to find page size.\n");
+ return -EINVAL;
+ }
+
+ return mana_ib_gd_create_dma_region(dev, umem, gdma_region, page_sz);
+}
+
+int mana_ib_create_zero_offset_dma_region(struct mana_ib_dev *dev, struct ib_umem *umem,
+ mana_handle_t *gdma_region)
+{
+ unsigned long page_sz;
+
+ /* Hardware requires dma region to align to chosen page size */
+ page_sz = ib_umem_find_best_pgoff(umem, PAGE_SZ_BM, 0);
+ if (!page_sz) {
+ ibdev_dbg(&dev->ib_dev, "Failed to find page size.\n");
+ return -EINVAL;
+ }
+
+ return mana_ib_gd_create_dma_region(dev, umem, gdma_region, page_sz);
+}
+
int mana_ib_gd_destroy_dma_region(struct mana_ib_dev *dev, u64 gdma_region)
{
- struct gdma_dev *mdev = dev->gdma_dev;
- struct gdma_context *gc;
+ struct gdma_context *gc = mdev_to_gc(dev);
- gc = mdev->gdma_context;
ibdev_dbg(&dev->ib_dev, "destroy dma region 0x%llx\n", gdma_region);
return mana_gd_destroy_dma_region(gc, gdma_region);
@@ -447,7 +457,7 @@ int mana_ib_mmap(struct ib_ucontext *ibcontext, struct vm_area_struct *vma)
int ret;
mdev = container_of(ibdev, struct mana_ib_dev, ib_dev);
- gc = mdev->gdma_dev->gdma_context;
+ gc = mdev_to_gc(mdev);
if (vma->vm_pgoff != 0) {
ibdev_dbg(ibdev, "Unexpected vm_pgoff %lu\n", vma->vm_pgoff);
@@ -486,20 +496,17 @@ int mana_ib_get_port_immutable(struct ib_device *ibdev, u32 port_num,
int mana_ib_query_device(struct ib_device *ibdev, struct ib_device_attr *props,
struct ib_udata *uhw)
{
- props->max_qp = MANA_MAX_NUM_QUEUES;
- props->max_qp_wr = MAX_SEND_BUFFERS_PER_QUEUE;
-
- /*
- * max_cqe could be potentially much bigger.
- * As this version of driver only support RAW QP, set it to the same
- * value as max_qp_wr
- */
- props->max_cqe = MAX_SEND_BUFFERS_PER_QUEUE;
-
+ struct mana_ib_dev *dev = container_of(ibdev,
+ struct mana_ib_dev, ib_dev);
+
+ props->max_qp = dev->adapter_caps.max_qp_count;
+ props->max_qp_wr = dev->adapter_caps.max_qp_wr;
+ props->max_cq = dev->adapter_caps.max_cq_count;
+ props->max_cqe = dev->adapter_caps.max_qp_wr;
+ props->max_mr = dev->adapter_caps.max_mr_count;
props->max_mr_size = MANA_IB_MAX_MR_SIZE;
- props->max_mr = MANA_IB_MAX_MR;
- props->max_send_sge = MAX_TX_WQE_SGL_ENTRIES;
- props->max_recv_sge = MAX_RX_WQE_SGL_ENTRIES;
+ props->max_send_sge = dev->adapter_caps.max_send_sge_count;
+ props->max_recv_sge = dev->adapter_caps.max_recv_sge_count;
return 0;
}
@@ -521,3 +528,45 @@ int mana_ib_query_gid(struct ib_device *ibdev, u32 port, int index,
void mana_ib_disassociate_ucontext(struct ib_ucontext *ibcontext)
{
}
+
+int mana_ib_gd_query_adapter_caps(struct mana_ib_dev *dev)
+{
+ struct mana_ib_adapter_caps *caps = &dev->adapter_caps;
+ struct mana_ib_query_adapter_caps_resp resp = {};
+ struct mana_ib_query_adapter_caps_req req = {};
+ int err;
+
+ mana_gd_init_req_hdr(&req.hdr, MANA_IB_GET_ADAPTER_CAP, sizeof(req),
+ sizeof(resp));
+ req.hdr.resp.msg_version = GDMA_MESSAGE_V3;
+ req.hdr.dev_id = dev->gdma_dev->dev_id;
+
+ err = mana_gd_send_request(mdev_to_gc(dev), sizeof(req),
+ &req, sizeof(resp), &resp);
+
+ if (err) {
+ ibdev_err(&dev->ib_dev,
+ "Failed to query adapter caps err %d", err);
+ return err;
+ }
+
+ caps->max_sq_id = resp.max_sq_id;
+ caps->max_rq_id = resp.max_rq_id;
+ caps->max_cq_id = resp.max_cq_id;
+ caps->max_qp_count = resp.max_qp_count;
+ caps->max_cq_count = resp.max_cq_count;
+ caps->max_mr_count = resp.max_mr_count;
+ caps->max_pd_count = resp.max_pd_count;
+ caps->max_inbound_read_limit = resp.max_inbound_read_limit;
+ caps->max_outbound_read_limit = resp.max_outbound_read_limit;
+ caps->mw_count = resp.mw_count;
+ caps->max_srq_count = resp.max_srq_count;
+ caps->max_qp_wr = min_t(u32,
+ resp.max_requester_sq_size / GDMA_MAX_SQE_SIZE,
+ resp.max_requester_rq_size / GDMA_MAX_RQE_SIZE);
+ caps->max_inline_data_size = resp.max_inline_data_size;
+ caps->max_send_sge_count = resp.max_send_sge_count;
+ caps->max_recv_sge_count = resp.max_recv_sge_count;
+
+ return 0;
+}
diff --git a/drivers/infiniband/hw/mana/mana_ib.h b/drivers/infiniband/hw/mana/mana_ib.h
index 502cc8672e..f83390eebb 100644
--- a/drivers/infiniband/hw/mana/mana_ib.h
+++ b/drivers/infiniband/hw/mana/mana_ib.h
@@ -27,9 +27,28 @@
*/
#define MANA_IB_MAX_MR 0xFFFFFFu
+struct mana_ib_adapter_caps {
+ u32 max_sq_id;
+ u32 max_rq_id;
+ u32 max_cq_id;
+ u32 max_qp_count;
+ u32 max_cq_count;
+ u32 max_mr_count;
+ u32 max_pd_count;
+ u32 max_inbound_read_limit;
+ u32 max_outbound_read_limit;
+ u32 mw_count;
+ u32 max_srq_count;
+ u32 max_qp_wr;
+ u32 max_send_sge_count;
+ u32 max_recv_sge_count;
+ u32 max_inline_data_size;
+};
+
struct mana_ib_dev {
struct ib_device ib_dev;
struct gdma_dev *gdma_dev;
+ struct mana_ib_adapter_caps adapter_caps;
};
struct mana_ib_wq {
@@ -67,6 +86,7 @@ struct mana_ib_cq {
int cqe;
u64 gdma_region;
u64 id;
+ u32 comp_vector;
};
struct mana_ib_qp {
@@ -92,8 +112,59 @@ struct mana_ib_rwq_ind_table {
struct ib_rwq_ind_table ib_ind_table;
};
-int mana_ib_gd_create_dma_region(struct mana_ib_dev *dev, struct ib_umem *umem,
- mana_handle_t *gdma_region);
+enum mana_ib_command_code {
+ MANA_IB_GET_ADAPTER_CAP = 0x30001,
+};
+
+struct mana_ib_query_adapter_caps_req {
+ struct gdma_req_hdr hdr;
+}; /*HW Data */
+
+struct mana_ib_query_adapter_caps_resp {
+ struct gdma_resp_hdr hdr;
+ u32 max_sq_id;
+ u32 max_rq_id;
+ u32 max_cq_id;
+ u32 max_qp_count;
+ u32 max_cq_count;
+ u32 max_mr_count;
+ u32 max_pd_count;
+ u32 max_inbound_read_limit;
+ u32 max_outbound_read_limit;
+ u32 mw_count;
+ u32 max_srq_count;
+ u32 max_requester_sq_size;
+ u32 max_responder_sq_size;
+ u32 max_requester_rq_size;
+ u32 max_responder_rq_size;
+ u32 max_send_sge_count;
+ u32 max_recv_sge_count;
+ u32 max_inline_data_size;
+}; /* HW Data */
+
+static inline struct gdma_context *mdev_to_gc(struct mana_ib_dev *mdev)
+{
+ return mdev->gdma_dev->gdma_context;
+}
+
+static inline struct net_device *mana_ib_get_netdev(struct ib_device *ibdev, u32 port)
+{
+ struct mana_ib_dev *mdev = container_of(ibdev, struct mana_ib_dev, ib_dev);
+ struct gdma_context *gc = mdev_to_gc(mdev);
+ struct mana_context *mc = gc->mana.driver_data;
+
+ if (port < 1 || port > mc->num_ports)
+ return NULL;
+ return mc->ports[port - 1];
+}
+
+int mana_ib_install_cq_cb(struct mana_ib_dev *mdev, struct mana_ib_cq *cq);
+
+int mana_ib_create_zero_offset_dma_region(struct mana_ib_dev *dev, struct ib_umem *umem,
+ mana_handle_t *gdma_region);
+
+int mana_ib_create_dma_region(struct mana_ib_dev *dev, struct ib_umem *umem,
+ mana_handle_t *gdma_region, u64 virt);
int mana_ib_gd_destroy_dma_region(struct mana_ib_dev *dev,
mana_handle_t gdma_region);
@@ -159,4 +230,5 @@ int mana_ib_query_gid(struct ib_device *ibdev, u32 port, int index,
void mana_ib_disassociate_ucontext(struct ib_ucontext *ibcontext);
+int mana_ib_gd_query_adapter_caps(struct mana_ib_dev *mdev);
#endif
diff --git a/drivers/infiniband/hw/mana/mr.c b/drivers/infiniband/hw/mana/mr.c
index 351207c60e..b70b13484f 100644
--- a/drivers/infiniband/hw/mana/mr.c
+++ b/drivers/infiniband/hw/mana/mr.c
@@ -30,12 +30,9 @@ static int mana_ib_gd_create_mr(struct mana_ib_dev *dev, struct mana_ib_mr *mr,
{
struct gdma_create_mr_response resp = {};
struct gdma_create_mr_request req = {};
- struct gdma_dev *mdev = dev->gdma_dev;
- struct gdma_context *gc;
+ struct gdma_context *gc = mdev_to_gc(dev);
int err;
- gc = mdev->gdma_context;
-
mana_gd_init_req_hdr(&req.hdr, GDMA_CREATE_MR, sizeof(req),
sizeof(resp));
req.pd_handle = mr_params->pd_handle;
@@ -77,12 +74,9 @@ static int mana_ib_gd_destroy_mr(struct mana_ib_dev *dev, u64 mr_handle)
{
struct gdma_destroy_mr_response resp = {};
struct gdma_destroy_mr_request req = {};
- struct gdma_dev *mdev = dev->gdma_dev;
- struct gdma_context *gc;
+ struct gdma_context *gc = mdev_to_gc(dev);
int err;
- gc = mdev->gdma_context;
-
mana_gd_init_req_hdr(&req.hdr, GDMA_DESTROY_MR, sizeof(req),
sizeof(resp));
@@ -133,7 +127,7 @@ struct ib_mr *mana_ib_reg_user_mr(struct ib_pd *ibpd, u64 start, u64 length,
goto err_free;
}
- err = mana_ib_gd_create_dma_region(dev, mr->umem, &dma_region_handle);
+ err = mana_ib_create_dma_region(dev, mr->umem, &dma_region_handle, iova);
if (err) {
ibdev_dbg(ibdev, "Failed create dma region for user-mr, %d\n",
err);
@@ -141,7 +135,7 @@ struct ib_mr *mana_ib_reg_user_mr(struct ib_pd *ibpd, u64 start, u64 length,
}
ibdev_dbg(ibdev,
- "mana_ib_gd_create_dma_region ret %d gdma_region %llx\n", err,
+ "create_dma_region ret %d gdma_region %llx\n", err,
dma_region_handle);
mr_params.pd_handle = pd->pd_handle;
@@ -164,8 +158,7 @@ struct ib_mr *mana_ib_reg_user_mr(struct ib_pd *ibpd, u64 start, u64 length,
return &mr->ibmr;
err_dma_region:
- mana_gd_destroy_dma_region(dev->gdma_dev->gdma_context,
- dma_region_handle);
+ mana_gd_destroy_dma_region(mdev_to_gc(dev), dma_region_handle);
err_umem:
ib_umem_release(mr->umem);
diff --git a/drivers/infiniband/hw/mana/qp.c b/drivers/infiniband/hw/mana/qp.c
index 4b3b5b274e..6e7627745c 100644
--- a/drivers/infiniband/hw/mana/qp.c
+++ b/drivers/infiniband/hw/mana/qp.c
@@ -17,12 +17,10 @@ static int mana_ib_cfg_vport_steering(struct mana_ib_dev *dev,
struct mana_cfg_rx_steer_resp resp = {};
mana_handle_t *req_indir_tab;
struct gdma_context *gc;
- struct gdma_dev *mdev;
u32 req_buf_size;
int i, err;
- mdev = dev->gdma_dev;
- gc = mdev->gdma_context;
+ gc = mdev_to_gc(dev);
req_buf_size =
sizeof(*req) + sizeof(mana_handle_t) * MANA_INDIRECT_TABLE_SIZE;
@@ -39,7 +37,7 @@ static int mana_ib_cfg_vport_steering(struct mana_ib_dev *dev,
req->rx_enable = 1;
req->update_default_rxobj = 1;
req->default_rxobj = default_rxobj;
- req->hdr.dev_id = mdev->dev_id;
+ req->hdr.dev_id = gc->mana.dev_id;
/* If there are more than 1 entries in indirection table, enable RSS */
if (log_ind_tbl_size)
@@ -99,25 +97,24 @@ static int mana_ib_create_qp_rss(struct ib_qp *ibqp, struct ib_pd *pd,
struct mana_ib_qp *qp = container_of(ibqp, struct mana_ib_qp, ibqp);
struct mana_ib_dev *mdev =
container_of(pd->device, struct mana_ib_dev, ib_dev);
+ struct gdma_context *gc = mdev_to_gc(mdev);
struct ib_rwq_ind_table *ind_tbl = attr->rwq_ind_tbl;
struct mana_ib_create_qp_rss_resp resp = {};
struct mana_ib_create_qp_rss ucmd = {};
- struct gdma_dev *gd = mdev->gdma_dev;
+ struct gdma_queue **gdma_cq_allocated;
mana_handle_t *mana_ind_table;
struct mana_port_context *mpc;
- struct mana_context *mc;
+ unsigned int ind_tbl_size;
struct net_device *ndev;
struct mana_ib_cq *cq;
struct mana_ib_wq *wq;
- unsigned int ind_tbl_size;
+ struct mana_eq *eq;
struct ib_cq *ibcq;
struct ib_wq *ibwq;
int i = 0;
u32 port;
int ret;
- mc = gd->driver_data;
-
if (!udata || udata->inlen < sizeof(ucmd))
return -EINVAL;
@@ -129,7 +126,7 @@ static int mana_ib_create_qp_rss(struct ib_qp *ibqp, struct ib_pd *pd,
return ret;
}
- if (attr->cap.max_recv_wr > MAX_SEND_BUFFERS_PER_QUEUE) {
+ if (attr->cap.max_recv_wr > mdev->adapter_caps.max_qp_wr) {
ibdev_dbg(&mdev->ib_dev,
"Requested max_recv_wr %d exceeding limit\n",
attr->cap.max_recv_wr);
@@ -160,12 +157,12 @@ static int mana_ib_create_qp_rss(struct ib_qp *ibqp, struct ib_pd *pd,
/* IB ports start with 1, MANA start with 0 */
port = ucmd.port;
- if (port < 1 || port > mc->num_ports) {
+ ndev = mana_ib_get_netdev(pd->device, port);
+ if (!ndev) {
ibdev_dbg(&mdev->ib_dev, "Invalid port %u in creating qp\n",
port);
return -EINVAL;
}
- ndev = mc->ports[port - 1];
mpc = netdev_priv(ndev);
ibdev_dbg(&mdev->ib_dev, "rx_hash_function %d port %d\n",
@@ -178,6 +175,13 @@ static int mana_ib_create_qp_rss(struct ib_qp *ibqp, struct ib_pd *pd,
goto fail;
}
+ gdma_cq_allocated = kcalloc(ind_tbl_size, sizeof(*gdma_cq_allocated),
+ GFP_KERNEL);
+ if (!gdma_cq_allocated) {
+ ret = -ENOMEM;
+ goto fail;
+ }
+
qp->port = port;
for (i = 0; i < ind_tbl_size; i++) {
@@ -196,12 +200,16 @@ static int mana_ib_create_qp_rss(struct ib_qp *ibqp, struct ib_pd *pd,
cq_spec.gdma_region = cq->gdma_region;
cq_spec.queue_size = cq->cqe * COMP_ENTRY_SIZE;
cq_spec.modr_ctx_id = 0;
- cq_spec.attached_eq = GDMA_CQ_NO_EQ;
+ eq = &mpc->ac->eqs[cq->comp_vector % gc->max_num_queues];
+ cq_spec.attached_eq = eq->eq->id;
ret = mana_create_wq_obj(mpc, mpc->port_handle, GDMA_RQ,
&wq_spec, &cq_spec, &wq->rx_object);
- if (ret)
+ if (ret) {
+ /* Do cleanup starting with index i-1 */
+ i--;
goto fail;
+ }
/* The GDMA regions are now owned by the WQ object */
wq->gdma_region = GDMA_INVALID_DMA_REGION;
@@ -218,6 +226,13 @@ static int mana_ib_create_qp_rss(struct ib_qp *ibqp, struct ib_pd *pd,
resp.entries[i].wqid = wq->id;
mana_ind_table[i] = wq->rx_object;
+
+ /* Create CQ table entry */
+ ret = mana_ib_install_cq_cb(mdev, cq);
+ if (ret)
+ goto fail;
+
+ gdma_cq_allocated[i] = gc->cq_table[cq->id];
}
resp.num_entries = i;
@@ -237,6 +252,7 @@ static int mana_ib_create_qp_rss(struct ib_qp *ibqp, struct ib_pd *pd,
goto fail;
}
+ kfree(gdma_cq_allocated);
kfree(mana_ind_table);
return 0;
@@ -244,10 +260,17 @@ static int mana_ib_create_qp_rss(struct ib_qp *ibqp, struct ib_pd *pd,
fail:
while (i-- > 0) {
ibwq = ind_tbl->ind_tbl[i];
+ ibcq = ibwq->cq;
wq = container_of(ibwq, struct mana_ib_wq, ibwq);
+ cq = container_of(ibcq, struct mana_ib_cq, ibcq);
+
+ gc->cq_table[cq->id] = NULL;
+ kfree(gdma_cq_allocated[i]);
+
mana_destroy_wq_obj(mpc, GDMA_RQ, wq->rx_object);
}
+ kfree(gdma_cq_allocated);
kfree(mana_ind_table);
return ret;
@@ -266,19 +289,19 @@ static int mana_ib_create_qp_raw(struct ib_qp *ibqp, struct ib_pd *ibpd,
struct mana_ib_ucontext *mana_ucontext =
rdma_udata_to_drv_context(udata, struct mana_ib_ucontext,
ibucontext);
+ struct gdma_context *gc = mdev_to_gc(mdev);
struct mana_ib_create_qp_resp resp = {};
- struct gdma_dev *gd = mdev->gdma_dev;
struct mana_ib_create_qp ucmd = {};
+ struct gdma_queue *gdma_cq = NULL;
struct mana_obj_spec wq_spec = {};
struct mana_obj_spec cq_spec = {};
struct mana_port_context *mpc;
- struct mana_context *mc;
struct net_device *ndev;
struct ib_umem *umem;
- int err;
+ struct mana_eq *eq;
+ int eq_vec;
u32 port;
-
- mc = gd->driver_data;
+ int err;
if (!mana_ucontext || udata->inlen < sizeof(ucmd))
return -EINVAL;
@@ -290,12 +313,7 @@ static int mana_ib_create_qp_raw(struct ib_qp *ibqp, struct ib_pd *ibpd,
return err;
}
- /* IB ports start with 1, MANA Ethernet ports start with 0 */
- port = ucmd.port;
- if (port < 1 || port > mc->num_ports)
- return -EINVAL;
-
- if (attr->cap.max_send_wr > MAX_SEND_BUFFERS_PER_QUEUE) {
+ if (attr->cap.max_send_wr > mdev->adapter_caps.max_qp_wr) {
ibdev_dbg(&mdev->ib_dev,
"Requested max_send_wr %d exceeding limit\n",
attr->cap.max_send_wr);
@@ -309,11 +327,17 @@ static int mana_ib_create_qp_raw(struct ib_qp *ibqp, struct ib_pd *ibpd,
return -EINVAL;
}
- ndev = mc->ports[port - 1];
+ port = ucmd.port;
+ ndev = mana_ib_get_netdev(ibpd->device, port);
+ if (!ndev) {
+ ibdev_dbg(&mdev->ib_dev, "Invalid port %u in creating qp\n",
+ port);
+ return -EINVAL;
+ }
mpc = netdev_priv(ndev);
ibdev_dbg(&mdev->ib_dev, "port %u ndev %p mpc %p\n", port, ndev, mpc);
- err = mana_ib_cfg_vport(mdev, port - 1, pd, mana_ucontext->doorbell);
+ err = mana_ib_cfg_vport(mdev, port, pd, mana_ucontext->doorbell);
if (err)
return -ENODEV;
@@ -333,8 +357,8 @@ static int mana_ib_create_qp_raw(struct ib_qp *ibqp, struct ib_pd *ibpd,
}
qp->sq_umem = umem;
- err = mana_ib_gd_create_dma_region(mdev, qp->sq_umem,
- &qp->sq_gdma_region);
+ err = mana_ib_create_zero_offset_dma_region(mdev, qp->sq_umem,
+ &qp->sq_gdma_region);
if (err) {
ibdev_dbg(&mdev->ib_dev,
"Failed to create dma region for create qp-raw, %d\n",
@@ -343,7 +367,7 @@ static int mana_ib_create_qp_raw(struct ib_qp *ibqp, struct ib_pd *ibpd,
}
ibdev_dbg(&mdev->ib_dev,
- "mana_ib_gd_create_dma_region ret %d gdma_region 0x%llx\n",
+ "create_dma_region ret %d gdma_region 0x%llx\n",
err, qp->sq_gdma_region);
/* Create a WQ on the same port handle used by the Ethernet */
@@ -353,7 +377,9 @@ static int mana_ib_create_qp_raw(struct ib_qp *ibqp, struct ib_pd *ibpd,
cq_spec.gdma_region = send_cq->gdma_region;
cq_spec.queue_size = send_cq->cqe * COMP_ENTRY_SIZE;
cq_spec.modr_ctx_id = 0;
- cq_spec.attached_eq = GDMA_CQ_NO_EQ;
+ eq_vec = send_cq->comp_vector % gc->max_num_queues;
+ eq = &mpc->ac->eqs[eq_vec];
+ cq_spec.attached_eq = eq->eq->id;
err = mana_create_wq_obj(mpc, mpc->port_handle, GDMA_SQ, &wq_spec,
&cq_spec, &qp->tx_object);
@@ -371,6 +397,11 @@ static int mana_ib_create_qp_raw(struct ib_qp *ibqp, struct ib_pd *ibpd,
qp->sq_id = wq_spec.queue_index;
send_cq->id = cq_spec.queue_index;
+ /* Create CQ table entry */
+ err = mana_ib_install_cq_cb(mdev, send_cq);
+ if (err)
+ goto err_destroy_wq_obj;
+
ibdev_dbg(&mdev->ib_dev,
"ret %d qp->tx_object 0x%llx sq id %llu cq id %llu\n", err,
qp->tx_object, qp->sq_id, send_cq->id);
@@ -384,11 +415,15 @@ static int mana_ib_create_qp_raw(struct ib_qp *ibqp, struct ib_pd *ibpd,
ibdev_dbg(&mdev->ib_dev,
"Failed copy udata for create qp-raw, %d\n",
err);
- goto err_destroy_wq_obj;
+ goto err_release_gdma_cq;
}
return 0;
+err_release_gdma_cq:
+ kfree(gdma_cq);
+ gc->cq_table[send_cq->id] = NULL;
+
err_destroy_wq_obj:
mana_destroy_wq_obj(mpc, GDMA_SQ, qp->tx_object);
@@ -399,7 +434,7 @@ err_release_umem:
ib_umem_release(umem);
err_free_vport:
- mana_ib_uncfg_vport(mdev, pd, port - 1);
+ mana_ib_uncfg_vport(mdev, pd, port);
return err;
}
@@ -437,16 +472,13 @@ static int mana_ib_destroy_qp_rss(struct mana_ib_qp *qp,
{
struct mana_ib_dev *mdev =
container_of(qp->ibqp.device, struct mana_ib_dev, ib_dev);
- struct gdma_dev *gd = mdev->gdma_dev;
struct mana_port_context *mpc;
- struct mana_context *mc;
struct net_device *ndev;
struct mana_ib_wq *wq;
struct ib_wq *ibwq;
int i;
- mc = gd->driver_data;
- ndev = mc->ports[qp->port - 1];
+ ndev = mana_ib_get_netdev(qp->ibqp.device, qp->port);
mpc = netdev_priv(ndev);
for (i = 0; i < (1 << ind_tbl->log_ind_tbl_size); i++) {
@@ -464,15 +496,12 @@ static int mana_ib_destroy_qp_raw(struct mana_ib_qp *qp, struct ib_udata *udata)
{
struct mana_ib_dev *mdev =
container_of(qp->ibqp.device, struct mana_ib_dev, ib_dev);
- struct gdma_dev *gd = mdev->gdma_dev;
struct ib_pd *ibpd = qp->ibqp.pd;
struct mana_port_context *mpc;
- struct mana_context *mc;
struct net_device *ndev;
struct mana_ib_pd *pd;
- mc = gd->driver_data;
- ndev = mc->ports[qp->port - 1];
+ ndev = mana_ib_get_netdev(qp->ibqp.device, qp->port);
mpc = netdev_priv(ndev);
pd = container_of(ibpd, struct mana_ib_pd, ibpd);
@@ -483,7 +512,7 @@ static int mana_ib_destroy_qp_raw(struct mana_ib_qp *qp, struct ib_udata *udata)
ib_umem_release(qp->sq_umem);
}
- mana_ib_uncfg_vport(mdev, pd, qp->port - 1);
+ mana_ib_uncfg_vport(mdev, pd, qp->port);
return 0;
}
diff --git a/drivers/infiniband/hw/mana/wq.c b/drivers/infiniband/hw/mana/wq.c
index 372d361510..7c9c699625 100644
--- a/drivers/infiniband/hw/mana/wq.c
+++ b/drivers/infiniband/hw/mana/wq.c
@@ -46,7 +46,7 @@ struct ib_wq *mana_ib_create_wq(struct ib_pd *pd,
wq->wq_buf_size = ucmd.wq_buf_size;
wq->rx_object = INVALID_MANA_HANDLE;
- err = mana_ib_gd_create_dma_region(mdev, wq->umem, &wq->gdma_region);
+ err = mana_ib_create_zero_offset_dma_region(mdev, wq->umem, &wq->gdma_region);
if (err) {
ibdev_dbg(&mdev->ib_dev,
"Failed to create dma region for create wq, %d\n",
@@ -55,7 +55,7 @@ struct ib_wq *mana_ib_create_wq(struct ib_pd *pd,
}
ibdev_dbg(&mdev->ib_dev,
- "mana_ib_gd_create_dma_region ret %d gdma_region 0x%llx\n",
+ "create_dma_region ret %d gdma_region 0x%llx\n",
err, wq->gdma_region);
/* WQ ID is returned at wq_create time, doesn't know the value yet */
diff --git a/drivers/infiniband/hw/mlx5/dm.c b/drivers/infiniband/hw/mlx5/dm.c
index 3669c90b2d..b4c97fb62a 100644
--- a/drivers/infiniband/hw/mlx5/dm.c
+++ b/drivers/infiniband/hw/mlx5/dm.c
@@ -341,6 +341,8 @@ static enum mlx5_sw_icm_type get_icm_type(int uapi_type)
return MLX5_SW_ICM_TYPE_HEADER_MODIFY;
case MLX5_IB_UAPI_DM_TYPE_HEADER_MODIFY_PATTERN_SW_ICM:
return MLX5_SW_ICM_TYPE_HEADER_MODIFY_PATTERN;
+ case MLX5_IB_UAPI_DM_TYPE_ENCAP_SW_ICM:
+ return MLX5_SW_ICM_TYPE_SW_ENCAP;
case MLX5_IB_UAPI_DM_TYPE_STEERING_SW_ICM:
default:
return MLX5_SW_ICM_TYPE_STEERING;
@@ -364,6 +366,7 @@ static struct ib_dm *handle_alloc_dm_sw_icm(struct ib_ucontext *ctx,
switch (type) {
case MLX5_IB_UAPI_DM_TYPE_STEERING_SW_ICM:
case MLX5_IB_UAPI_DM_TYPE_HEADER_MODIFY_SW_ICM:
+ case MLX5_IB_UAPI_DM_TYPE_ENCAP_SW_ICM:
if (!(MLX5_CAP_FLOWTABLE_NIC_RX(dev, sw_owner) ||
MLX5_CAP_FLOWTABLE_NIC_TX(dev, sw_owner) ||
MLX5_CAP_FLOWTABLE_NIC_RX(dev, sw_owner_v2) ||
@@ -438,6 +441,7 @@ struct ib_dm *mlx5_ib_alloc_dm(struct ib_device *ibdev,
case MLX5_IB_UAPI_DM_TYPE_STEERING_SW_ICM:
case MLX5_IB_UAPI_DM_TYPE_HEADER_MODIFY_SW_ICM:
case MLX5_IB_UAPI_DM_TYPE_HEADER_MODIFY_PATTERN_SW_ICM:
+ case MLX5_IB_UAPI_DM_TYPE_ENCAP_SW_ICM:
return handle_alloc_dm_sw_icm(context, attr, attrs, type);
default:
return ERR_PTR(-EOPNOTSUPP);
@@ -491,6 +495,7 @@ static int mlx5_ib_dealloc_dm(struct ib_dm *ibdm,
case MLX5_IB_UAPI_DM_TYPE_STEERING_SW_ICM:
case MLX5_IB_UAPI_DM_TYPE_HEADER_MODIFY_SW_ICM:
case MLX5_IB_UAPI_DM_TYPE_HEADER_MODIFY_PATTERN_SW_ICM:
+ case MLX5_IB_UAPI_DM_TYPE_ENCAP_SW_ICM:
return mlx5_dm_icm_dealloc(ctx, to_icm(ibdm));
default:
return -EOPNOTSUPP;
diff --git a/drivers/infiniband/hw/mlx5/mad.c b/drivers/infiniband/hw/mlx5/mad.c
index 0c3c4e6481..3e43687a7f 100644
--- a/drivers/infiniband/hw/mlx5/mad.c
+++ b/drivers/infiniband/hw/mlx5/mad.c
@@ -188,7 +188,8 @@ static int process_pma_cmd(struct mlx5_ib_dev *dev, u32 port_num,
mdev = dev->mdev;
mdev_port_num = 1;
}
- if (MLX5_CAP_GEN(dev->mdev, num_ports) == 1) {
+ if (MLX5_CAP_GEN(dev->mdev, num_ports) == 1 &&
+ !mlx5_core_mp_enabled(mdev)) {
/* set local port to one for Function-Per-Port HCA. */
mdev = dev->mdev;
mdev_port_num = 1;
diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c
index 650a15b6cf..c2b557e642 100644
--- a/drivers/infiniband/hw/mlx5/main.c
+++ b/drivers/infiniband/hw/mlx5/main.c
@@ -818,6 +818,17 @@ static int mlx5_query_node_desc(struct mlx5_ib_dev *dev, char *node_desc)
MLX5_REG_NODE_DESC, 0, 0);
}
+static void fill_esw_mgr_reg_c0(struct mlx5_core_dev *mdev,
+ struct mlx5_ib_query_device_resp *resp)
+{
+ struct mlx5_eswitch *esw = mdev->priv.eswitch;
+ u16 vport = mlx5_eswitch_manager_vport(mdev);
+
+ resp->reg_c0.value = mlx5_eswitch_get_vport_metadata_for_match(esw,
+ vport);
+ resp->reg_c0.mask = mlx5_eswitch_get_vport_metadata_mask();
+}
+
static int mlx5_ib_query_device(struct ib_device *ibdev,
struct ib_device_attr *props,
struct ib_udata *uhw)
@@ -1209,6 +1220,19 @@ static int mlx5_ib_query_device(struct ib_device *ibdev,
MLX5_CAP_GEN(mdev, log_max_dci_errored_streams);
}
+ if (offsetofend(typeof(resp), reserved) <= uhw_outlen)
+ resp.response_length += sizeof(resp.reserved);
+
+ if (offsetofend(typeof(resp), reg_c0) <= uhw_outlen) {
+ struct mlx5_eswitch *esw = mdev->priv.eswitch;
+
+ resp.response_length += sizeof(resp.reg_c0);
+
+ if (mlx5_eswitch_mode(mdev) == MLX5_ESWITCH_OFFLOADS &&
+ mlx5_eswitch_vport_match_metadata_enabled(esw))
+ fill_esw_mgr_reg_c0(mdev, &resp);
+ }
+
if (uhw_outlen) {
err = ib_copy_to_udata(uhw, &resp, resp.response_length);
diff --git a/drivers/infiniband/hw/mlx5/mr.c b/drivers/infiniband/hw/mlx5/mr.c
index 18e459b557..a8ee2ca1f4 100644
--- a/drivers/infiniband/hw/mlx5/mr.c
+++ b/drivers/infiniband/hw/mlx5/mr.c
@@ -1347,6 +1347,7 @@ struct ib_mr *mlx5_ib_reg_dm_mr(struct ib_pd *pd, struct ib_dm *dm,
case MLX5_IB_UAPI_DM_TYPE_STEERING_SW_ICM:
case MLX5_IB_UAPI_DM_TYPE_HEADER_MODIFY_SW_ICM:
case MLX5_IB_UAPI_DM_TYPE_HEADER_MODIFY_PATTERN_SW_ICM:
+ case MLX5_IB_UAPI_DM_TYPE_ENCAP_SW_ICM:
if (attr->access_flags & ~MLX5_IB_DM_SW_ICM_ALLOWED_ACCESS)
return ERR_PTR(-EINVAL);
diff --git a/drivers/infiniband/sw/rxe/rxe.c b/drivers/infiniband/sw/rxe/rxe.c
index 54c723a6ed..6f9ec8db01 100644
--- a/drivers/infiniband/sw/rxe/rxe.c
+++ b/drivers/infiniband/sw/rxe/rxe.c
@@ -33,6 +33,8 @@ void rxe_dealloc(struct ib_device *ib_dev)
if (rxe->tfm)
crypto_free_shash(rxe->tfm);
+
+ mutex_destroy(&rxe->usdev_lock);
}
/* initialize rxe device parameters */
diff --git a/drivers/infiniband/sw/siw/siw.h b/drivers/infiniband/sw/siw/siw.h
index cec5cccd2e..75253f2b3e 100644
--- a/drivers/infiniband/sw/siw/siw.h
+++ b/drivers/infiniband/sw/siw/siw.h
@@ -121,11 +121,10 @@ struct siw_page_chunk {
};
struct siw_umem {
+ struct ib_umem *base_mem;
struct siw_page_chunk *page_chunk;
int num_pages;
- bool writable;
u64 fp_addr; /* First page base address */
- struct mm_struct *owning_mm;
};
struct siw_pble {
@@ -289,10 +288,11 @@ struct siw_rx_stream {
int skb_offset; /* offset in skb */
int skb_copied; /* processed bytes in skb */
+ enum siw_rx_state state;
+
union iwarp_hdr hdr;
struct mpa_trailer trailer;
-
- enum siw_rx_state state;
+ struct shash_desc *mpa_crc_hd;
/*
* For each FPDU, main RX loop runs through 3 stages:
@@ -314,7 +314,6 @@ struct siw_rx_stream {
u64 ddp_to;
u32 inval_stag; /* Stag to be invalidated */
- struct shash_desc *mpa_crc_hd;
u8 rx_suspend : 1;
u8 pad : 2; /* # of pad bytes expected */
u8 rdmap_op : 4; /* opcode of current frame */
@@ -418,10 +417,10 @@ struct siw_iwarp_tx {
struct siw_qp {
struct ib_qp base_qp;
struct siw_device *sdev;
+ int tx_cpu;
struct kref ref;
struct completion qp_free;
struct list_head devq;
- int tx_cpu;
struct siw_qp_attrs attrs;
struct siw_cep *cep;
@@ -466,7 +465,6 @@ struct siw_qp {
} term_info;
struct rdma_user_mmap_entry *sq_entry; /* mmap info for SQE array */
struct rdma_user_mmap_entry *rq_entry; /* mmap info for RQE array */
- struct rcu_head rcu;
};
/* helper macros */
@@ -659,7 +657,7 @@ static inline struct siw_sqe *orq_get_free(struct siw_qp *qp)
static inline int siw_orq_empty(struct siw_qp *qp)
{
- return qp->orq[qp->orq_get % qp->attrs.orq_size].flags == 0 ? 1 : 0;
+ return orq_get_current(qp)->flags == 0 ? 1 : 0;
}
static inline struct siw_sqe *irq_alloc_free(struct siw_qp *qp)
diff --git a/drivers/infiniband/sw/siw/siw_cm.c b/drivers/infiniband/sw/siw/siw_cm.c
index 7de651cb44..86323918a5 100644
--- a/drivers/infiniband/sw/siw/siw_cm.c
+++ b/drivers/infiniband/sw/siw/siw_cm.c
@@ -41,16 +41,6 @@ static int siw_cm_upcall(struct siw_cep *cep, enum iw_cm_event_type reason,
static void siw_sk_assign_cm_upcalls(struct sock *sk)
{
- write_lock_bh(&sk->sk_callback_lock);
- sk->sk_state_change = siw_cm_llp_state_change;
- sk->sk_data_ready = siw_cm_llp_data_ready;
- sk->sk_write_space = siw_cm_llp_write_space;
- sk->sk_error_report = siw_cm_llp_error_report;
- write_unlock_bh(&sk->sk_callback_lock);
-}
-
-static void siw_sk_save_upcalls(struct sock *sk)
-{
struct siw_cep *cep = sk_to_cep(sk);
write_lock_bh(&sk->sk_callback_lock);
@@ -58,6 +48,11 @@ static void siw_sk_save_upcalls(struct sock *sk)
cep->sk_data_ready = sk->sk_data_ready;
cep->sk_write_space = sk->sk_write_space;
cep->sk_error_report = sk->sk_error_report;
+
+ sk->sk_state_change = siw_cm_llp_state_change;
+ sk->sk_data_ready = siw_cm_llp_data_ready;
+ sk->sk_write_space = siw_cm_llp_write_space;
+ sk->sk_error_report = siw_cm_llp_error_report;
write_unlock_bh(&sk->sk_callback_lock);
}
@@ -156,7 +151,6 @@ static void siw_cep_socket_assoc(struct siw_cep *cep, struct socket *s)
siw_cep_get(cep);
s->sk->sk_user_data = cep;
- siw_sk_save_upcalls(s->sk);
siw_sk_assign_cm_upcalls(s->sk);
}
@@ -364,6 +358,24 @@ static int siw_cm_upcall(struct siw_cep *cep, enum iw_cm_event_type reason,
return id->event_handler(id, &event);
}
+static void siw_free_cm_id(struct siw_cep *cep)
+{
+ if (!cep->cm_id)
+ return;
+
+ cep->cm_id->rem_ref(cep->cm_id);
+ cep->cm_id = NULL;
+}
+
+static void siw_destroy_cep_sock(struct siw_cep *cep)
+{
+ if (cep->sock) {
+ siw_socket_disassoc(cep->sock);
+ sock_release(cep->sock);
+ cep->sock = NULL;
+ }
+}
+
/*
* siw_qp_cm_drop()
*
@@ -393,8 +405,7 @@ void siw_qp_cm_drop(struct siw_qp *qp, int schedule)
}
siw_dbg_cep(cep, "immediate close, state %d\n", cep->state);
- if (qp->term_info.valid)
- siw_send_terminate(qp);
+ siw_send_terminate(qp);
if (cep->cm_id) {
switch (cep->state) {
@@ -416,20 +427,12 @@ void siw_qp_cm_drop(struct siw_qp *qp, int schedule)
default:
break;
}
- cep->cm_id->rem_ref(cep->cm_id);
- cep->cm_id = NULL;
+ siw_free_cm_id(cep);
siw_cep_put(cep);
}
cep->state = SIW_EPSTATE_CLOSED;
- if (cep->sock) {
- siw_socket_disassoc(cep->sock);
- /*
- * Immediately close socket
- */
- sock_release(cep->sock);
- cep->sock = NULL;
- }
+ siw_destroy_cep_sock(cep);
if (cep->qp) {
cep->qp = NULL;
siw_qp_put(qp);
@@ -445,6 +448,12 @@ void siw_cep_put(struct siw_cep *cep)
kref_put(&cep->ref, __siw_cep_dealloc);
}
+static void siw_cep_set_free_and_put(struct siw_cep *cep)
+{
+ siw_cep_set_free(cep);
+ siw_cep_put(cep);
+}
+
void siw_cep_get(struct siw_cep *cep)
{
kref_get(&cep->ref);
@@ -1061,7 +1070,7 @@ static void siw_cm_work_handler(struct work_struct *w)
/*
* QP scheduled LLP close
*/
- if (cep->qp && cep->qp->term_info.valid)
+ if (cep->qp)
siw_send_terminate(cep->qp);
if (cep->cm_id)
@@ -1175,8 +1184,7 @@ static void siw_cm_work_handler(struct work_struct *w)
cep->sock = NULL;
}
if (cep->cm_id) {
- cep->cm_id->rem_ref(cep->cm_id);
- cep->cm_id = NULL;
+ siw_free_cm_id(cep);
siw_cep_put(cep);
}
}
@@ -1515,9 +1523,7 @@ error:
cep->state = SIW_EPSTATE_CLOSED;
- siw_cep_set_free(cep);
-
- siw_cep_put(cep);
+ siw_cep_set_free_and_put(cep);
} else if (s) {
sock_release(s);
@@ -1548,7 +1554,7 @@ int siw_accept(struct iw_cm_id *id, struct iw_cm_conn_param *params)
struct siw_cep *cep = (struct siw_cep *)id->provider_data;
struct siw_qp *qp;
struct siw_qp_attrs qp_attrs;
- int rv, max_priv_data = MPA_MAX_PRIVDATA;
+ int rv = -EINVAL, max_priv_data = MPA_MAX_PRIVDATA;
bool wait_for_peer_rts = false;
siw_cep_set_inuse(cep);
@@ -1564,26 +1570,17 @@ int siw_accept(struct iw_cm_id *id, struct iw_cm_conn_param *params)
if (cep->state != SIW_EPSTATE_RECVD_MPAREQ) {
siw_dbg_cep(cep, "out of state\n");
-
- siw_cep_set_free(cep);
- siw_cep_put(cep);
-
- return -ECONNRESET;
+ rv = -ECONNRESET;
+ goto free_cep;
}
qp = siw_qp_id2obj(sdev, params->qpn);
if (!qp) {
WARN(1, "[QP %d] does not exist\n", params->qpn);
- siw_cep_set_free(cep);
- siw_cep_put(cep);
-
- return -EINVAL;
+ goto free_cep;
}
down_write(&qp->state_lock);
- if (qp->attrs.state > SIW_QP_STATE_RTR) {
- rv = -EINVAL;
- up_write(&qp->state_lock);
- goto error;
- }
+ if (qp->attrs.state > SIW_QP_STATE_RTR)
+ goto error_unlock;
siw_dbg_cep(cep, "[QP %d]\n", params->qpn);
if (try_gso && cep->mpa.hdr.params.bits & MPA_RR_FLAG_GSO_EXP) {
@@ -1597,9 +1594,7 @@ int siw_accept(struct iw_cm_id *id, struct iw_cm_conn_param *params)
"[QP %u]: ord %d (max %d), ird %d (max %d)\n",
qp_id(qp), params->ord, sdev->attrs.max_ord,
params->ird, sdev->attrs.max_ird);
- rv = -EINVAL;
- up_write(&qp->state_lock);
- goto error;
+ goto error_unlock;
}
if (cep->enhanced_rdma_conn_est)
max_priv_data -= sizeof(struct mpa_v2_data);
@@ -1609,9 +1604,7 @@ int siw_accept(struct iw_cm_id *id, struct iw_cm_conn_param *params)
cep,
"[QP %u]: private data length: %d (max %d)\n",
qp_id(qp), params->private_data_len, max_priv_data);
- rv = -EINVAL;
- up_write(&qp->state_lock);
- goto error;
+ goto error_unlock;
}
if (cep->enhanced_rdma_conn_est) {
if (params->ord > cep->ord) {
@@ -1620,9 +1613,7 @@ int siw_accept(struct iw_cm_id *id, struct iw_cm_conn_param *params)
} else {
cep->ird = params->ird;
cep->ord = params->ord;
- rv = -EINVAL;
- up_write(&qp->state_lock);
- goto error;
+ goto error_unlock;
}
}
if (params->ird < cep->ird) {
@@ -1631,8 +1622,7 @@ int siw_accept(struct iw_cm_id *id, struct iw_cm_conn_param *params)
params->ird = cep->ird;
else {
rv = -ENOMEM;
- up_write(&qp->state_lock);
- goto error;
+ goto error_unlock;
}
}
if (cep->mpa.v2_ctrl.ord &
@@ -1679,7 +1669,6 @@ int siw_accept(struct iw_cm_id *id, struct iw_cm_conn_param *params)
SIW_QP_ATTR_ORD | SIW_QP_ATTR_IRD |
SIW_QP_ATTR_MPA);
up_write(&qp->state_lock);
-
if (rv)
goto error;
@@ -1702,27 +1691,23 @@ int siw_accept(struct iw_cm_id *id, struct iw_cm_conn_param *params)
siw_cep_set_free(cep);
return 0;
+
+error_unlock:
+ up_write(&qp->state_lock);
error:
- siw_socket_disassoc(cep->sock);
- sock_release(cep->sock);
- cep->sock = NULL;
+ siw_destroy_cep_sock(cep);
cep->state = SIW_EPSTATE_CLOSED;
- if (cep->cm_id) {
- cep->cm_id->rem_ref(id);
- cep->cm_id = NULL;
- }
+ siw_free_cm_id(cep);
if (qp->cep) {
siw_cep_put(cep);
qp->cep = NULL;
}
cep->qp = NULL;
siw_qp_put(qp);
-
- siw_cep_set_free(cep);
- siw_cep_put(cep);
-
+free_cep:
+ siw_cep_set_free_and_put(cep);
return rv;
}
@@ -1744,8 +1729,7 @@ int siw_reject(struct iw_cm_id *id, const void *pdata, u8 pd_len)
if (cep->state != SIW_EPSTATE_RECVD_MPAREQ) {
siw_dbg_cep(cep, "out of state\n");
- siw_cep_set_free(cep);
- siw_cep_put(cep); /* put last reference */
+ siw_cep_set_free_and_put(cep); /* put last reference */
return -ECONNRESET;
}
@@ -1756,14 +1740,11 @@ int siw_reject(struct iw_cm_id *id, const void *pdata, u8 pd_len)
cep->mpa.hdr.params.bits |= MPA_RR_FLAG_REJECT; /* reject */
siw_send_mpareqrep(cep, pdata, pd_len);
}
- siw_socket_disassoc(cep->sock);
- sock_release(cep->sock);
- cep->sock = NULL;
+ siw_destroy_cep_sock(cep);
cep->state = SIW_EPSTATE_CLOSED;
- siw_cep_set_free(cep);
- siw_cep_put(cep);
+ siw_cep_set_free_and_put(cep);
return 0;
}
@@ -1890,16 +1871,12 @@ error:
if (cep) {
siw_cep_set_inuse(cep);
- if (cep->cm_id) {
- cep->cm_id->rem_ref(cep->cm_id);
- cep->cm_id = NULL;
- }
+ siw_free_cm_id(cep);
cep->sock = NULL;
siw_socket_disassoc(s);
cep->state = SIW_EPSTATE_CLOSED;
- siw_cep_set_free(cep);
- siw_cep_put(cep);
+ siw_cep_set_free_and_put(cep);
}
sock_release(s);
@@ -1923,18 +1900,14 @@ static void siw_drop_listeners(struct iw_cm_id *id)
siw_cep_set_inuse(cep);
- if (cep->cm_id) {
- cep->cm_id->rem_ref(cep->cm_id);
- cep->cm_id = NULL;
- }
+ siw_free_cm_id(cep);
if (cep->sock) {
siw_socket_disassoc(cep->sock);
sock_release(cep->sock);
cep->sock = NULL;
}
cep->state = SIW_EPSTATE_CLOSED;
- siw_cep_set_free(cep);
- siw_cep_put(cep);
+ siw_cep_set_free_and_put(cep);
}
}
diff --git a/drivers/infiniband/sw/siw/siw_main.c b/drivers/infiniband/sw/siw/siw_main.c
index 1ab62982df..61ad8ca3d1 100644
--- a/drivers/infiniband/sw/siw/siw_main.c
+++ b/drivers/infiniband/sw/siw/siw_main.c
@@ -109,6 +109,17 @@ static struct {
int num_nodes;
} siw_cpu_info;
+static void siw_destroy_cpulist(int number)
+{
+ int i = 0;
+
+ while (i < number)
+ kfree(siw_cpu_info.tx_valid_cpus[i++]);
+
+ kfree(siw_cpu_info.tx_valid_cpus);
+ siw_cpu_info.tx_valid_cpus = NULL;
+}
+
static int siw_init_cpulist(void)
{
int i, num_nodes = nr_node_ids;
@@ -138,24 +149,11 @@ static int siw_init_cpulist(void)
out_err:
siw_cpu_info.num_nodes = 0;
- while (--i >= 0)
- kfree(siw_cpu_info.tx_valid_cpus[i]);
- kfree(siw_cpu_info.tx_valid_cpus);
- siw_cpu_info.tx_valid_cpus = NULL;
+ siw_destroy_cpulist(i);
return -ENOMEM;
}
-static void siw_destroy_cpulist(void)
-{
- int i = 0;
-
- while (i < siw_cpu_info.num_nodes)
- kfree(siw_cpu_info.tx_valid_cpus[i++]);
-
- kfree(siw_cpu_info.tx_valid_cpus);
-}
-
/*
* Choose CPU with least number of active QP's from NUMA node of
* TX interface.
@@ -558,7 +556,7 @@ out_error:
pr_info("SoftIWARP attach failed. Error: %d\n", rv);
siw_cm_exit();
- siw_destroy_cpulist();
+ siw_destroy_cpulist(siw_cpu_info.num_nodes);
return rv;
}
@@ -573,7 +571,7 @@ static void __exit siw_exit_module(void)
siw_cm_exit();
- siw_destroy_cpulist();
+ siw_destroy_cpulist(siw_cpu_info.num_nodes);
if (siw_crypto_shash)
crypto_free_shash(siw_crypto_shash);
diff --git a/drivers/infiniband/sw/siw/siw_mem.c b/drivers/infiniband/sw/siw/siw_mem.c
index c5f7f1669d..dcb963607c 100644
--- a/drivers/infiniband/sw/siw/siw_mem.c
+++ b/drivers/infiniband/sw/siw/siw_mem.c
@@ -5,6 +5,7 @@
#include <linux/gfp.h>
#include <rdma/ib_verbs.h>
+#include <rdma/ib_umem.h>
#include <linux/dma-mapping.h>
#include <linux/slab.h>
#include <linux/sched/mm.h>
@@ -13,18 +14,20 @@
#include "siw.h"
#include "siw_mem.h"
+/* Stag lookup is based on its index part only (24 bits). */
+#define SIW_STAG_MAX_INDEX 0x00ffffff
+
/*
- * Stag lookup is based on its index part only (24 bits).
* The code avoids special Stag of zero and tries to randomize
* STag values between 1 and SIW_STAG_MAX_INDEX.
*/
int siw_mem_add(struct siw_device *sdev, struct siw_mem *m)
{
- struct xa_limit limit = XA_LIMIT(1, 0x00ffffff);
+ struct xa_limit limit = XA_LIMIT(1, SIW_STAG_MAX_INDEX);
u32 id, next;
get_random_bytes(&next, 4);
- next &= 0x00ffffff;
+ next &= SIW_STAG_MAX_INDEX;
if (xa_alloc_cyclic(&sdev->mem_xa, &id, m, limit, &next,
GFP_KERNEL) < 0)
@@ -60,28 +63,17 @@ struct siw_mem *siw_mem_id2obj(struct siw_device *sdev, int stag_index)
return NULL;
}
-static void siw_free_plist(struct siw_page_chunk *chunk, int num_pages,
- bool dirty)
-{
- unpin_user_pages_dirty_lock(chunk->plist, num_pages, dirty);
-}
-
-void siw_umem_release(struct siw_umem *umem, bool dirty)
+void siw_umem_release(struct siw_umem *umem)
{
- struct mm_struct *mm_s = umem->owning_mm;
int i, num_pages = umem->num_pages;
- for (i = 0; num_pages; i++) {
- int to_free = min_t(int, PAGES_PER_CHUNK, num_pages);
+ if (umem->base_mem)
+ ib_umem_release(umem->base_mem);
- siw_free_plist(&umem->page_chunk[i], to_free,
- umem->writable && dirty);
+ for (i = 0; num_pages > 0; i++) {
kfree(umem->page_chunk[i].plist);
- num_pages -= to_free;
+ num_pages -= PAGES_PER_CHUNK;
}
- atomic64_sub(umem->num_pages, &mm_s->pinned_vm);
-
- mmdrop(mm_s);
kfree(umem->page_chunk);
kfree(umem);
}
@@ -91,7 +83,7 @@ int siw_mr_add_mem(struct siw_mr *mr, struct ib_pd *pd, void *mem_obj,
{
struct siw_device *sdev = to_siw_dev(pd->device);
struct siw_mem *mem = kzalloc(sizeof(*mem), GFP_KERNEL);
- struct xa_limit limit = XA_LIMIT(1, 0x00ffffff);
+ struct xa_limit limit = XA_LIMIT(1, SIW_STAG_MAX_INDEX);
u32 id, next;
if (!mem)
@@ -107,7 +99,7 @@ int siw_mr_add_mem(struct siw_mr *mr, struct ib_pd *pd, void *mem_obj,
kref_init(&mem->ref);
get_random_bytes(&next, 4);
- next &= 0x00ffffff;
+ next &= SIW_STAG_MAX_INDEX;
if (xa_alloc_cyclic(&sdev->mem_xa, &id, mem, limit, &next,
GFP_KERNEL) < 0) {
@@ -145,7 +137,7 @@ void siw_free_mem(struct kref *ref)
if (!mem->is_mw && mem->mem_obj) {
if (mem->is_pbl == 0)
- siw_umem_release(mem->umem, true);
+ siw_umem_release(mem->umem);
else
kfree(mem->pbl);
}
@@ -362,18 +354,16 @@ struct siw_pbl *siw_pbl_alloc(u32 num_buf)
return pbl;
}
-struct siw_umem *siw_umem_get(u64 start, u64 len, bool writable)
+struct siw_umem *siw_umem_get(struct ib_device *base_dev, u64 start,
+ u64 len, int rights)
{
struct siw_umem *umem;
- struct mm_struct *mm_s;
+ struct ib_umem *base_mem;
+ struct sg_page_iter sg_iter;
+ struct sg_table *sgt;
u64 first_page_va;
- unsigned long mlock_limit;
- unsigned int foll_flags = FOLL_LONGTERM;
int num_pages, num_chunks, i, rv = 0;
- if (!can_do_mlock())
- return ERR_PTR(-EPERM);
-
if (!len)
return ERR_PTR(-EINVAL);
@@ -385,65 +375,50 @@ struct siw_umem *siw_umem_get(u64 start, u64 len, bool writable)
if (!umem)
return ERR_PTR(-ENOMEM);
- mm_s = current->mm;
- umem->owning_mm = mm_s;
- umem->writable = writable;
-
- mmgrab(mm_s);
-
- if (writable)
- foll_flags |= FOLL_WRITE;
-
- mmap_read_lock(mm_s);
-
- mlock_limit = rlimit(RLIMIT_MEMLOCK) >> PAGE_SHIFT;
-
- if (atomic64_add_return(num_pages, &mm_s->pinned_vm) > mlock_limit) {
- rv = -ENOMEM;
- goto out_sem_up;
- }
- umem->fp_addr = first_page_va;
-
umem->page_chunk =
kcalloc(num_chunks, sizeof(struct siw_page_chunk), GFP_KERNEL);
if (!umem->page_chunk) {
rv = -ENOMEM;
- goto out_sem_up;
+ goto err_out;
}
- for (i = 0; num_pages; i++) {
+ base_mem = ib_umem_get(base_dev, start, len, rights);
+ if (IS_ERR(base_mem)) {
+ rv = PTR_ERR(base_mem);
+ siw_dbg(base_dev, "Cannot pin user memory: %d\n", rv);
+ goto err_out;
+ }
+ umem->fp_addr = first_page_va;
+ umem->base_mem = base_mem;
+
+ sgt = &base_mem->sgt_append.sgt;
+ __sg_page_iter_start(&sg_iter, sgt->sgl, sgt->orig_nents, 0);
+
+ if (!__sg_page_iter_next(&sg_iter)) {
+ rv = -EINVAL;
+ goto err_out;
+ }
+ for (i = 0; num_pages > 0; i++) {
int nents = min_t(int, num_pages, PAGES_PER_CHUNK);
struct page **plist =
kcalloc(nents, sizeof(struct page *), GFP_KERNEL);
if (!plist) {
rv = -ENOMEM;
- goto out_sem_up;
+ goto err_out;
}
umem->page_chunk[i].plist = plist;
- while (nents) {
- rv = pin_user_pages(first_page_va, nents, foll_flags,
- plist);
- if (rv < 0)
- goto out_sem_up;
-
- umem->num_pages += rv;
- first_page_va += rv * PAGE_SIZE;
- plist += rv;
- nents -= rv;
- num_pages -= rv;
+ while (nents--) {
+ *plist = sg_page_iter_page(&sg_iter);
+ umem->num_pages++;
+ num_pages--;
+ plist++;
+ if (!__sg_page_iter_next(&sg_iter))
+ break;
}
}
-out_sem_up:
- mmap_read_unlock(mm_s);
-
- if (rv > 0)
- return umem;
-
- /* Adjust accounting for pages not pinned */
- if (num_pages)
- atomic64_sub(num_pages, &mm_s->pinned_vm);
-
- siw_umem_release(umem, false);
+ return umem;
+err_out:
+ siw_umem_release(umem);
return ERR_PTR(rv);
}
diff --git a/drivers/infiniband/sw/siw/siw_mem.h b/drivers/infiniband/sw/siw/siw_mem.h
index a2835284fe..e74cfcd6db 100644
--- a/drivers/infiniband/sw/siw/siw_mem.h
+++ b/drivers/infiniband/sw/siw/siw_mem.h
@@ -6,8 +6,9 @@
#ifndef _SIW_MEM_H
#define _SIW_MEM_H
-struct siw_umem *siw_umem_get(u64 start, u64 len, bool writable);
-void siw_umem_release(struct siw_umem *umem, bool dirty);
+struct siw_umem *siw_umem_get(struct ib_device *base_dave, u64 start,
+ u64 len, int rights);
+void siw_umem_release(struct siw_umem *umem);
struct siw_pbl *siw_pbl_alloc(u32 num_buf);
dma_addr_t siw_pbl_get_buffer(struct siw_pbl *pbl, u64 off, int *len, int *idx);
struct siw_mem *siw_mem_id2obj(struct siw_device *sdev, int stag_index);
diff --git a/drivers/infiniband/sw/siw/siw_qp.c b/drivers/infiniband/sw/siw/siw_qp.c
index 26e3904d2f..da92cfa207 100644
--- a/drivers/infiniband/sw/siw/siw_qp.c
+++ b/drivers/infiniband/sw/siw/siw_qp.c
@@ -1183,7 +1183,7 @@ int siw_rqe_complete(struct siw_qp *qp, struct siw_rqe *rqe, u32 bytes,
/*
* siw_sq_flush()
*
- * Flush SQ and ORRQ entries to CQ.
+ * Flush SQ and ORQ entries to CQ.
*
* Must be called with QP state write lock held.
* Therefore, SQ and ORQ lock must not be taken.
diff --git a/drivers/infiniband/sw/siw/siw_qp_rx.c b/drivers/infiniband/sw/siw/siw_qp_rx.c
index 33e0fdb362..ed4fc39718 100644
--- a/drivers/infiniband/sw/siw/siw_qp_rx.c
+++ b/drivers/infiniband/sw/siw/siw_qp_rx.c
@@ -405,6 +405,20 @@ out:
return wqe;
}
+static int siw_rx_data(struct siw_mem *mem_p, struct siw_rx_stream *srx,
+ unsigned int *pbl_idx, u64 addr, int bytes)
+{
+ int rv;
+
+ if (mem_p->mem_obj == NULL)
+ rv = siw_rx_kva(srx, ib_virt_dma_to_ptr(addr), bytes);
+ else if (!mem_p->is_pbl)
+ rv = siw_rx_umem(srx, mem_p->umem, addr, bytes);
+ else
+ rv = siw_rx_pbl(srx, pbl_idx, mem_p, addr, bytes);
+ return rv;
+}
+
/*
* siw_proc_send:
*
@@ -485,17 +499,8 @@ int siw_proc_send(struct siw_qp *qp)
break;
}
mem_p = *mem;
- if (mem_p->mem_obj == NULL)
- rv = siw_rx_kva(srx,
- ib_virt_dma_to_ptr(sge->laddr + frx->sge_off),
- sge_bytes);
- else if (!mem_p->is_pbl)
- rv = siw_rx_umem(srx, mem_p->umem,
- sge->laddr + frx->sge_off, sge_bytes);
- else
- rv = siw_rx_pbl(srx, &frx->pbl_idx, mem_p,
- sge->laddr + frx->sge_off, sge_bytes);
-
+ rv = siw_rx_data(mem_p, srx, &frx->pbl_idx,
+ sge->laddr + frx->sge_off, sge_bytes);
if (unlikely(rv != sge_bytes)) {
wqe->processed += rcvd_bytes;
@@ -598,17 +603,8 @@ int siw_proc_write(struct siw_qp *qp)
return -EINVAL;
}
- if (mem->mem_obj == NULL)
- rv = siw_rx_kva(srx,
- (void *)(uintptr_t)(srx->ddp_to + srx->fpdu_part_rcvd),
- bytes);
- else if (!mem->is_pbl)
- rv = siw_rx_umem(srx, mem->umem,
- srx->ddp_to + srx->fpdu_part_rcvd, bytes);
- else
- rv = siw_rx_pbl(srx, &frx->pbl_idx, mem,
- srx->ddp_to + srx->fpdu_part_rcvd, bytes);
-
+ rv = siw_rx_data(mem, srx, &frx->pbl_idx,
+ srx->ddp_to + srx->fpdu_part_rcvd, bytes);
if (unlikely(rv != bytes)) {
siw_init_terminate(qp, TERM_ERROR_LAYER_DDP,
DDP_ETYPE_CATASTROPHIC,
@@ -849,17 +845,8 @@ int siw_proc_rresp(struct siw_qp *qp)
mem_p = *mem;
bytes = min(srx->fpdu_part_rem, srx->skb_new);
-
- if (mem_p->mem_obj == NULL)
- rv = siw_rx_kva(srx,
- ib_virt_dma_to_ptr(sge->laddr + wqe->processed),
- bytes);
- else if (!mem_p->is_pbl)
- rv = siw_rx_umem(srx, mem_p->umem, sge->laddr + wqe->processed,
- bytes);
- else
- rv = siw_rx_pbl(srx, &frx->pbl_idx, mem_p,
- sge->laddr + wqe->processed, bytes);
+ rv = siw_rx_data(mem_p, srx, &frx->pbl_idx,
+ sge->laddr + wqe->processed, bytes);
if (rv != bytes) {
wqe->wc_status = SIW_WC_GENERAL_ERR;
rv = -EINVAL;
@@ -881,6 +868,13 @@ error_term:
return rv;
}
+static void siw_update_skb_rcvd(struct siw_rx_stream *srx, u16 length)
+{
+ srx->skb_offset += length;
+ srx->skb_new -= length;
+ srx->skb_copied += length;
+}
+
int siw_proc_terminate(struct siw_qp *qp)
{
struct siw_rx_stream *srx = &qp->rx_stream;
@@ -925,9 +919,7 @@ int siw_proc_terminate(struct siw_qp *qp)
goto out;
infop += to_copy;
- srx->skb_offset += to_copy;
- srx->skb_new -= to_copy;
- srx->skb_copied += to_copy;
+ siw_update_skb_rcvd(srx, to_copy);
srx->fpdu_part_rcvd += to_copy;
srx->fpdu_part_rem -= to_copy;
@@ -949,9 +941,7 @@ int siw_proc_terminate(struct siw_qp *qp)
term->flag_m ? "valid" : "invalid");
}
out:
- srx->skb_new -= to_copy;
- srx->skb_offset += to_copy;
- srx->skb_copied += to_copy;
+ siw_update_skb_rcvd(srx, to_copy);
srx->fpdu_part_rcvd += to_copy;
srx->fpdu_part_rem -= to_copy;
@@ -970,9 +960,7 @@ static int siw_get_trailer(struct siw_qp *qp, struct siw_rx_stream *srx)
skb_copy_bits(skb, srx->skb_offset, tbuf, avail);
- srx->skb_new -= avail;
- srx->skb_offset += avail;
- srx->skb_copied += avail;
+ siw_update_skb_rcvd(srx, avail);
srx->fpdu_part_rem -= avail;
if (srx->fpdu_part_rem)
@@ -1023,12 +1011,8 @@ static int siw_get_hdr(struct siw_rx_stream *srx)
skb_copy_bits(skb, srx->skb_offset,
(char *)c_hdr + srx->fpdu_part_rcvd, bytes);
+ siw_update_skb_rcvd(srx, bytes);
srx->fpdu_part_rcvd += bytes;
-
- srx->skb_new -= bytes;
- srx->skb_offset += bytes;
- srx->skb_copied += bytes;
-
if (srx->fpdu_part_rcvd < MIN_DDP_HDR)
return -EAGAIN;
@@ -1091,12 +1075,8 @@ static int siw_get_hdr(struct siw_rx_stream *srx)
skb_copy_bits(skb, srx->skb_offset,
(char *)c_hdr + srx->fpdu_part_rcvd, bytes);
+ siw_update_skb_rcvd(srx, bytes);
srx->fpdu_part_rcvd += bytes;
-
- srx->skb_new -= bytes;
- srx->skb_offset += bytes;
- srx->skb_copied += bytes;
-
if (srx->fpdu_part_rcvd < hdrlen)
return -EAGAIN;
}
diff --git a/drivers/infiniband/sw/siw/siw_qp_tx.c b/drivers/infiniband/sw/siw/siw_qp_tx.c
index b2c06100cf..64ad9e0895 100644
--- a/drivers/infiniband/sw/siw/siw_qp_tx.c
+++ b/drivers/infiniband/sw/siw/siw_qp_tx.c
@@ -34,6 +34,15 @@ static struct page *siw_get_pblpage(struct siw_mem *mem, u64 addr, int *idx)
return NULL;
}
+static struct page *siw_get_page(struct siw_mem *mem, struct siw_sge *sge,
+ unsigned long offset, int *pbl_idx)
+{
+ if (!mem->is_pbl)
+ return siw_get_upage(mem->umem, sge->laddr + offset);
+ else
+ return siw_get_pblpage(mem, sge->laddr + offset, pbl_idx);
+}
+
/*
* Copy short payload at provided destination payload address
*/
@@ -67,11 +76,7 @@ static int siw_try_1seg(struct siw_iwarp_tx *c_tx, void *paddr)
char *buffer;
int pbl_idx = 0;
- if (!mem->is_pbl)
- p = siw_get_upage(mem->umem, sge->laddr);
- else
- p = siw_get_pblpage(mem, sge->laddr, &pbl_idx);
-
+ p = siw_get_page(mem, sge, 0, &pbl_idx);
if (unlikely(!p))
return -EFAULT;
@@ -85,13 +90,7 @@ static int siw_try_1seg(struct siw_iwarp_tx *c_tx, void *paddr)
memcpy(paddr, buffer + off, part);
kunmap_local(buffer);
- if (!mem->is_pbl)
- p = siw_get_upage(mem->umem,
- sge->laddr + part);
- else
- p = siw_get_pblpage(mem,
- sge->laddr + part,
- &pbl_idx);
+ p = siw_get_page(mem, sge, part, &pbl_idx);
if (unlikely(!p))
return -EFAULT;
@@ -249,14 +248,10 @@ static int siw_qp_prepare_tx(struct siw_iwarp_tx *c_tx)
/*
* Do complete CRC if enabled and short packet
*/
- if (c_tx->mpa_crc_hd) {
- crypto_shash_init(c_tx->mpa_crc_hd);
- if (crypto_shash_update(c_tx->mpa_crc_hd,
- (u8 *)&c_tx->pkt,
- c_tx->ctrl_len))
- return -EINVAL;
- crypto_shash_final(c_tx->mpa_crc_hd, (u8 *)crc);
- }
+ if (c_tx->mpa_crc_hd &&
+ crypto_shash_digest(c_tx->mpa_crc_hd, (u8 *)&c_tx->pkt,
+ c_tx->ctrl_len, (u8 *)crc) != 0)
+ return -EINVAL;
c_tx->ctrl_len += MPA_CRC_SIZE;
return PKT_COMPLETE;
@@ -297,8 +292,7 @@ static int siw_tx_ctrl(struct siw_iwarp_tx *c_tx, struct socket *s,
(char *)&c_tx->pkt.ctrl + c_tx->ctrl_sent,
.iov_len = c_tx->ctrl_len - c_tx->ctrl_sent };
- int rv = kernel_sendmsg(s, &msg, &iov, 1,
- c_tx->ctrl_len - c_tx->ctrl_sent);
+ int rv = kernel_sendmsg(s, &msg, &iov, 1, iov.iov_len);
if (rv >= 0) {
c_tx->ctrl_sent += rv;
@@ -502,13 +496,7 @@ static int siw_tx_hdt(struct siw_iwarp_tx *c_tx, struct socket *s)
if (!is_kva) {
struct page *p;
- if (mem->is_pbl)
- p = siw_get_pblpage(
- mem, sge->laddr + sge_off,
- &pbl_idx);
- else
- p = siw_get_upage(mem->umem,
- sge->laddr + sge_off);
+ p = siw_get_page(mem, sge, sge_off, &pbl_idx);
if (unlikely(!p)) {
siw_unmap_pages(iov, kmap_mask, seg);
wqe->processed -= c_tx->bytes_unsent;
@@ -1009,13 +997,12 @@ static int siw_qp_sq_proc_local(struct siw_qp *qp, struct siw_wqe *wqe)
* MPA FPDUs, each containing a DDP segment.
*
* SQ processing may occur in user context as a result of posting
- * new WQE's or from siw_sq_work_handler() context. Processing in
+ * new WQE's or from siw_tx_thread context. Processing in
* user context is limited to non-kernel verbs users.
*
* SQ processing may get paused anytime, possibly in the middle of a WR
* or FPDU, if insufficient send space is available. SQ processing
- * gets resumed from siw_sq_work_handler(), if send space becomes
- * available again.
+ * gets resumed from siw_tx_thread, if send space becomes available again.
*
* Must be called with the QP state read-locked.
*
diff --git a/drivers/infiniband/sw/siw/siw_verbs.c b/drivers/infiniband/sw/siw/siw_verbs.c
index c5c27db9c2..ecf0444666 100644
--- a/drivers/infiniband/sw/siw/siw_verbs.c
+++ b/drivers/infiniband/sw/siw/siw_verbs.c
@@ -19,6 +19,15 @@
#include "siw_verbs.h"
#include "siw_mem.h"
+static int siw_qp_state_to_ib_qp_state[SIW_QP_STATE_COUNT] = {
+ [SIW_QP_STATE_IDLE] = IB_QPS_INIT,
+ [SIW_QP_STATE_RTR] = IB_QPS_RTR,
+ [SIW_QP_STATE_RTS] = IB_QPS_RTS,
+ [SIW_QP_STATE_CLOSING] = IB_QPS_SQD,
+ [SIW_QP_STATE_TERMINATE] = IB_QPS_SQE,
+ [SIW_QP_STATE_ERROR] = IB_QPS_ERR
+};
+
static int ib_qp_state_to_siw_qp_state[IB_QPS_ERR + 1] = {
[IB_QPS_RESET] = SIW_QP_STATE_IDLE,
[IB_QPS_INIT] = SIW_QP_STATE_IDLE,
@@ -66,12 +75,9 @@ int siw_mmap(struct ib_ucontext *ctx, struct vm_area_struct *vma)
entry = to_siw_mmap_entry(rdma_entry);
rv = remap_vmalloc_range(vma, entry->address, 0);
- if (rv) {
+ if (rv)
pr_warn("remap_vmalloc_range failed: %lu, %zu\n", vma->vm_pgoff,
size);
- goto out;
- }
-out:
rdma_user_mmap_entry_put(rdma_entry);
return rv;
@@ -336,11 +342,10 @@ int siw_create_qp(struct ib_qp *ibqp, struct ib_qp_init_attr *attrs,
goto err_atomic;
}
/*
- * NOTE: we allow for zero element SQ and RQ WQE's SGL's
- * but not for a QP unable to hold any WQE (SQ + RQ)
+ * NOTE: we don't allow for a QP unable to hold any SQ WQE
*/
- if (attrs->cap.max_send_wr + attrs->cap.max_recv_wr == 0) {
- siw_dbg(base_dev, "QP must have send or receive queue\n");
+ if (attrs->cap.max_send_wr == 0) {
+ siw_dbg(base_dev, "QP must have send queue\n");
rv = -EINVAL;
goto err_atomic;
}
@@ -360,21 +365,14 @@ int siw_create_qp(struct ib_qp *ibqp, struct ib_qp_init_attr *attrs,
if (rv)
goto err_atomic;
- num_sqe = attrs->cap.max_send_wr;
- num_rqe = attrs->cap.max_recv_wr;
/* All queue indices are derived from modulo operations
* on a free running 'get' (consumer) and 'put' (producer)
* unsigned counter. Having queue sizes at power of two
* avoids handling counter wrap around.
*/
- if (num_sqe)
- num_sqe = roundup_pow_of_two(num_sqe);
- else {
- /* Zero sized SQ is not supported */
- rv = -EINVAL;
- goto err_out_xa;
- }
+ num_sqe = roundup_pow_of_two(attrs->cap.max_send_wr);
+ num_rqe = attrs->cap.max_recv_wr;
if (num_rqe)
num_rqe = roundup_pow_of_two(num_rqe);
@@ -515,6 +513,7 @@ int siw_query_qp(struct ib_qp *base_qp, struct ib_qp_attr *qp_attr,
} else {
return -EINVAL;
}
+ qp_attr->qp_state = siw_qp_state_to_ib_qp_state[qp->attrs.state];
qp_attr->cap.max_inline_data = SIW_MAX_INLINE;
qp_attr->cap.max_send_wr = qp->attrs.sq_size;
qp_attr->cap.max_send_sge = qp->attrs.sq_max_sges;
@@ -1321,8 +1320,6 @@ struct ib_mr *siw_reg_user_mr(struct ib_pd *pd, u64 start, u64 len,
struct siw_umem *umem = NULL;
struct siw_ureq_reg_mr ureq;
struct siw_device *sdev = to_siw_dev(pd->device);
-
- unsigned long mem_limit = rlimit(RLIMIT_MEMLOCK);
int rv;
siw_dbg_pd(pd, "start: 0x%pK, va: 0x%pK, len: %llu\n",
@@ -1338,20 +1335,7 @@ struct ib_mr *siw_reg_user_mr(struct ib_pd *pd, u64 start, u64 len,
rv = -EINVAL;
goto err_out;
}
- if (mem_limit != RLIM_INFINITY) {
- unsigned long num_pages =
- (PAGE_ALIGN(len + (start & ~PAGE_MASK))) >> PAGE_SHIFT;
- mem_limit >>= PAGE_SHIFT;
-
- if (num_pages > mem_limit - current->mm->locked_vm) {
- siw_dbg_pd(pd, "pages req %lu, max %lu, lock %lu\n",
- num_pages, mem_limit,
- current->mm->locked_vm);
- rv = -ENOMEM;
- goto err_out;
- }
- }
- umem = siw_umem_get(start, len, ib_access_writable(rights));
+ umem = siw_umem_get(pd->device, start, len, rights);
if (IS_ERR(umem)) {
rv = PTR_ERR(umem);
siw_dbg_pd(pd, "getting user memory failed: %d\n", rv);
@@ -1404,7 +1388,7 @@ err_out:
kfree_rcu(mr, rcu);
} else {
if (umem)
- siw_umem_release(umem, false);
+ siw_umem_release(umem);
}
return ERR_PTR(rv);
}
diff --git a/drivers/infiniband/ulp/ipoib/ipoib.h b/drivers/infiniband/ulp/ipoib/ipoib.h
index 35e9c8a330..963e936da5 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib.h
+++ b/drivers/infiniband/ulp/ipoib/ipoib.h
@@ -351,10 +351,12 @@ struct ipoib_dev_priv {
struct workqueue_struct *wq;
struct delayed_work mcast_task;
struct work_struct carrier_on_task;
+ struct work_struct reschedule_napi_work;
struct work_struct flush_light;
struct work_struct flush_normal;
struct work_struct flush_heavy;
struct work_struct restart_task;
+ struct work_struct tx_timeout_work;
struct delayed_work ah_reap_task;
struct delayed_work neigh_reap_task;
struct ib_device *ca;
@@ -499,6 +501,7 @@ int ipoib_send(struct net_device *dev, struct sk_buff *skb,
struct ib_ah *address, u32 dqpn);
void ipoib_reap_ah(struct work_struct *work);
+void ipoib_napi_schedule_work(struct work_struct *work);
struct ipoib_path *__path_find(struct net_device *dev, void *gid);
void ipoib_mark_paths_invalid(struct net_device *dev);
void ipoib_flush_paths(struct net_device *dev);
@@ -510,6 +513,7 @@ void ipoib_ib_tx_timer_func(struct timer_list *t);
void ipoib_ib_dev_flush_light(struct work_struct *work);
void ipoib_ib_dev_flush_normal(struct work_struct *work);
void ipoib_ib_dev_flush_heavy(struct work_struct *work);
+void ipoib_ib_tx_timeout_work(struct work_struct *work);
void ipoib_pkey_event(struct work_struct *work);
void ipoib_ib_dev_cleanup(struct net_device *dev);
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_ib.c b/drivers/infiniband/ulp/ipoib/ipoib_ib.c
index 7f84d9866c..5cde275daa 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_ib.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_ib.c
@@ -531,11 +531,35 @@ void ipoib_ib_rx_completion(struct ib_cq *cq, void *ctx_ptr)
napi_schedule(&priv->recv_napi);
}
+/* The function will force napi_schedule */
+void ipoib_napi_schedule_work(struct work_struct *work)
+{
+ struct ipoib_dev_priv *priv =
+ container_of(work, struct ipoib_dev_priv, reschedule_napi_work);
+ bool ret;
+
+ do {
+ ret = napi_schedule(&priv->send_napi);
+ if (!ret)
+ msleep(3);
+ } while (!ret && netif_queue_stopped(priv->dev) &&
+ test_bit(IPOIB_FLAG_INITIALIZED, &priv->flags));
+}
+
void ipoib_ib_tx_completion(struct ib_cq *cq, void *ctx_ptr)
{
struct ipoib_dev_priv *priv = ctx_ptr;
+ bool ret;
- napi_schedule(&priv->send_napi);
+ ret = napi_schedule(&priv->send_napi);
+ /*
+ * if the queue is closed the driver must be able to schedule napi,
+ * otherwise we can end with closed queue forever, because no new
+ * packets to send and napi callback might not get new event after
+ * its re-arm of the napi.
+ */
+ if (!ret && netif_queue_stopped(priv->dev))
+ schedule_work(&priv->reschedule_napi_work);
}
static inline int post_send(struct ipoib_dev_priv *priv,
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_main.c b/drivers/infiniband/ulp/ipoib/ipoib_main.c
index 967004ccad..7a5be705d7 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_main.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_main.c
@@ -1200,7 +1200,34 @@ static void ipoib_timeout(struct net_device *dev, unsigned int txqueue)
netif_queue_stopped(dev), priv->tx_head, priv->tx_tail,
priv->global_tx_head, priv->global_tx_tail);
- /* XXX reset QP, etc. */
+
+ schedule_work(&priv->tx_timeout_work);
+}
+
+void ipoib_ib_tx_timeout_work(struct work_struct *work)
+{
+ struct ipoib_dev_priv *priv = container_of(work,
+ struct ipoib_dev_priv,
+ tx_timeout_work);
+ int err;
+
+ rtnl_lock();
+
+ if (!test_bit(IPOIB_FLAG_ADMIN_UP, &priv->flags))
+ goto unlock;
+
+ ipoib_stop(priv->dev);
+ err = ipoib_open(priv->dev);
+ if (err) {
+ ipoib_warn(priv, "ipoib_open failed recovering from a tx_timeout, err(%d).\n",
+ err);
+ goto unlock;
+ }
+
+ netif_tx_wake_all_queues(priv->dev);
+unlock:
+ rtnl_unlock();
+
}
static int ipoib_hard_header(struct sk_buff *skb,
@@ -2112,7 +2139,7 @@ void ipoib_setup_common(struct net_device *dev)
ipoib_set_ethtool_ops(dev);
- dev->watchdog_timeo = HZ;
+ dev->watchdog_timeo = 10 * HZ;
dev->flags |= IFF_BROADCAST | IFF_MULTICAST;
@@ -2150,10 +2177,12 @@ static void ipoib_build_priv(struct net_device *dev)
INIT_DELAYED_WORK(&priv->mcast_task, ipoib_mcast_join_task);
INIT_WORK(&priv->carrier_on_task, ipoib_mcast_carrier_on_task);
+ INIT_WORK(&priv->reschedule_napi_work, ipoib_napi_schedule_work);
INIT_WORK(&priv->flush_light, ipoib_ib_dev_flush_light);
INIT_WORK(&priv->flush_normal, ipoib_ib_dev_flush_normal);
INIT_WORK(&priv->flush_heavy, ipoib_ib_dev_flush_heavy);
INIT_WORK(&priv->restart_task, ipoib_mcast_restart_task);
+ INIT_WORK(&priv->tx_timeout_work, ipoib_ib_tx_timeout_work);
INIT_DELAYED_WORK(&priv->ah_reap_task, ipoib_reap_ah);
INIT_DELAYED_WORK(&priv->neigh_reap_task, ipoib_reap_neigh);
}
diff --git a/drivers/infiniband/ulp/iser/iscsi_iser.h b/drivers/infiniband/ulp/iser/iscsi_iser.h
index d967d55324..68429a5f79 100644
--- a/drivers/infiniband/ulp/iser/iscsi_iser.h
+++ b/drivers/infiniband/ulp/iser/iscsi_iser.h
@@ -182,7 +182,7 @@ enum iser_data_dir {
*
* @sg: pointer to the sg list
* @size: num entries of this sg
- * @data_len: total beffer byte len
+ * @data_len: total buffer byte len
* @dma_nents: returned by dma_map_sg
*/
struct iser_data_buf {
@@ -299,7 +299,6 @@ struct ib_conn;
*
* @ib_device: RDMA device
* @pd: Protection Domain for this device
- * @mr: Global DMA memory region
* @event_handler: IB events handle routine
* @ig_list: entry in devices list
* @refcount: Reference counter, dominated by open iser connections
@@ -387,7 +386,7 @@ struct ib_conn {
* to max number of post recvs
* @max_cmds: maximum cmds allowed for this connection
* @name: connection peer portal
- * @release_work: deffered work for release job
+ * @release_work: deferred work for release job
* @state_mutex: protects iser onnection state
* @stop_completion: conn_stop completion
* @ib_completion: RDMA cleanup completion
diff --git a/drivers/infiniband/ulp/rtrs/rtrs-clt.c b/drivers/infiniband/ulp/rtrs/rtrs-clt.c
index 7f3167ce29..88106cf5ce 100644
--- a/drivers/infiniband/ulp/rtrs/rtrs-clt.c
+++ b/drivers/infiniband/ulp/rtrs/rtrs-clt.c
@@ -1391,9 +1391,9 @@ static int alloc_path_reqs(struct rtrs_clt_path *clt_path)
clt_path->max_pages_per_mr);
if (IS_ERR(req->mr)) {
err = PTR_ERR(req->mr);
+ pr_err("Failed to alloc clt_path->max_pages_per_mr %d: %pe\n",
+ clt_path->max_pages_per_mr, req->mr);
req->mr = NULL;
- pr_err("Failed to alloc clt_path->max_pages_per_mr %d\n",
- clt_path->max_pages_per_mr);
goto out;
}
@@ -2025,6 +2025,8 @@ static int rtrs_clt_rdma_cm_handler(struct rdma_cm_id *cm_id,
/*
* Device removal is a special case. Queue close and return 0.
*/
+ rtrs_wrn_rl(s, "CM event: %s, status: %d\n", rdma_event_msg(ev->event),
+ ev->status);
rtrs_clt_close_conns(clt_path, false);
return 0;
default:
@@ -2058,10 +2060,8 @@ static int create_cm(struct rtrs_clt_con *con)
clt_path->s.dst_addr.ss_family == AF_IB ?
RDMA_PS_IB : RDMA_PS_TCP, IB_QPT_RC);
if (IS_ERR(cm_id)) {
- err = PTR_ERR(cm_id);
- rtrs_err(s, "Failed to create CM ID, err: %d\n", err);
-
- return err;
+ rtrs_err(s, "Failed to create CM ID, err: %pe\n", cm_id);
+ return PTR_ERR(cm_id);
}
con->c.cm_id = cm_id;
con->cm_err = 0;
diff --git a/drivers/infiniband/ulp/rtrs/rtrs.c b/drivers/infiniband/ulp/rtrs/rtrs.c
index d80edfffd2..4e17d546d4 100644
--- a/drivers/infiniband/ulp/rtrs/rtrs.c
+++ b/drivers/infiniband/ulp/rtrs/rtrs.c
@@ -242,8 +242,8 @@ static int create_cq(struct rtrs_con *con, int cq_vector, int nr_cqe,
cq = ib_cq_pool_get(cm_id->device, nr_cqe, cq_vector, poll_ctx);
if (IS_ERR(cq)) {
- rtrs_err(con->path, "Creating completion queue failed, errno: %ld\n",
- PTR_ERR(cq));
+ rtrs_err(con->path, "Creating completion queue failed, errno: %pe\n",
+ cq);
return PTR_ERR(cq);
}
con->cq = cq;