4238b9d0b7
Add support for hns DWQE. All its dependent patches are also added. Signed-off-by: Chengchang Tang <tangchengchang@huawei.com> (cherry picked from commit 964c2273a107ddba9cbeea1425b3b9ab73ffe2ca)
71 lines
2.5 KiB
Diff
71 lines
2.5 KiB
Diff
From 608c142e7cbac2a6c02071022fe87b081a6ddc4f Mon Sep 17 00:00:00 2001
|
|
From: Yixing Liu <liuyixing1@huawei.com>
|
|
Date: Tue, 21 Dec 2021 21:38:08 +0800
|
|
Subject: [PATCH 8/8] libhns: Use new SQ doorbell register for HIP09
|
|
|
|
HIP09 set a new BAR space for SQ doorbell. Each SQ doorbell has an
|
|
independent BAR space and the size is 64KB. SQ doorbell share
|
|
the same BAR space with direct WQE.
|
|
|
|
Signed-off-by: Yixing Liu <liuyixing1@huawei.com>
|
|
Signed-off-by: Wenpeng Liang <liangwenpeng@huawei.com>
|
|
---
|
|
providers/hns/hns_roce_u.h | 1 +
|
|
providers/hns/hns_roce_u_hw_v2.c | 4 ++--
|
|
providers/hns/hns_roce_u_verbs.c | 5 +++++
|
|
3 files changed, 8 insertions(+), 2 deletions(-)
|
|
|
|
diff --git a/providers/hns/hns_roce_u.h b/providers/hns/hns_roce_u.h
|
|
index 37711363..460363b7 100644
|
|
--- a/providers/hns/hns_roce_u.h
|
|
+++ b/providers/hns/hns_roce_u.h
|
|
@@ -238,6 +238,7 @@ struct hns_roce_wq {
|
|
unsigned int wqe_shift;
|
|
unsigned int shift; /* wq size is 2^shift */
|
|
int offset;
|
|
+ void *db_reg;
|
|
};
|
|
|
|
/* record the result of sge process */
|
|
diff --git a/providers/hns/hns_roce_u_hw_v2.c b/providers/hns/hns_roce_u_hw_v2.c
|
|
index f102fd61..9cbc0aac 100644
|
|
--- a/providers/hns/hns_roce_u_hw_v2.c
|
|
+++ b/providers/hns/hns_roce_u_hw_v2.c
|
|
@@ -308,7 +308,7 @@ static void hns_roce_update_sq_db(struct hns_roce_context *ctx,
|
|
|
|
sq_db.parameter = htole32(qp->sq.head);
|
|
roce_set_field(sq_db.parameter, DB_PARAM_SL_M, DB_PARAM_SL_S, qp->sl);
|
|
- hns_roce_write64(ctx->uar + ROCEE_VF_DB_CFG0_OFFSET, (__le32 *)&sq_db);
|
|
+ hns_roce_write64(qp->sq.db_reg, (__le32 *)&sq_db);
|
|
}
|
|
|
|
static void hns_roce_write512(uint64_t *dest, uint64_t *val)
|
|
@@ -329,7 +329,7 @@ static void hns_roce_write_dwqe(struct hns_roce_qp *qp, void *wqe)
|
|
roce_set_field(rc_sq_wqe->byte_4, RC_SQ_WQE_BYTE_4_WQE_INDEX_M,
|
|
RC_SQ_WQE_BYTE_4_WQE_INDEX_S, qp->sq.head);
|
|
|
|
- hns_roce_write512(qp->dwqe_page, wqe);
|
|
+ hns_roce_write512(qp->sq.db_reg, wqe);
|
|
}
|
|
|
|
static void hns_roce_v2_update_cq_cons_index(struct hns_roce_context *ctx,
|
|
diff --git a/providers/hns/hns_roce_u_verbs.c b/providers/hns/hns_roce_u_verbs.c
|
|
index fc902815..c5022c83 100644
|
|
--- a/providers/hns/hns_roce_u_verbs.c
|
|
+++ b/providers/hns/hns_roce_u_verbs.c
|
|
@@ -1117,6 +1117,11 @@ static void qp_setup_config(struct ibv_qp_init_attr_ex *attr,
|
|
}
|
|
|
|
qp->max_inline_data = attr->cap.max_inline_data;
|
|
+
|
|
+ if (qp->flags & HNS_ROCE_QP_CAP_DIRECT_WQE)
|
|
+ qp->sq.db_reg = qp->dwqe_page;
|
|
+ else
|
|
+ qp->sq.db_reg = ctx->uar + ROCEE_VF_DB_CFG0_OFFSET;
|
|
}
|
|
|
|
void hns_roce_free_qp_buf(struct hns_roce_qp *qp, struct hns_roce_context *ctx)
|
|
--
|
|
2.33.0
|
|
|