From: Lijun Ou <oulijun@huawei.com>
Date: Sat, 24 Nov 2018 16:49:20 +0800
Subject: RDMA/hns: Init SRQ table for hip08
Patch-mainline: v5.0-rc1
Git-commit: 5c1f167af112746eb97621f12b4053d4f66c0357
References: bsc#1104427 FATE#326416
This patch inits hem resource for SRQ table, includes
SRQWQE and SRQWQE index resource.
Signed-off-by: Lijun Ou <oulijun@huawei.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
drivers/infiniband/hw/hns/Makefile | 2
drivers/infiniband/hw/hns/hns_roce_alloc.c | 2
drivers/infiniband/hw/hns/hns_roce_device.h | 24 ++++++++++
drivers/infiniband/hw/hns/hns_roce_hem.c | 9 ++++
drivers/infiniband/hw/hns/hns_roce_hem.h | 2
drivers/infiniband/hw/hns/hns_roce_hw_v2.c | 8 +++
drivers/infiniband/hw/hns/hns_roce_hw_v2.h | 6 ++
drivers/infiniband/hw/hns/hns_roce_main.c | 63 ++++++++++++++++++++++++++++
drivers/infiniband/hw/hns/hns_roce_srq.c | 27 ++++++++++++
9 files changed, 142 insertions(+), 1 deletion(-)
create mode 100644 drivers/infiniband/hw/hns/hns_roce_srq.c
--- a/drivers/infiniband/hw/hns/Makefile
+++ b/drivers/infiniband/hw/hns/Makefile
@@ -7,7 +7,7 @@ ccflags-y := -Idrivers/net/ethernet/his
obj-$(CONFIG_INFINIBAND_HNS) += hns-roce.o
hns-roce-objs := hns_roce_main.o hns_roce_cmd.o hns_roce_pd.o \
hns_roce_ah.o hns_roce_hem.o hns_roce_mr.o hns_roce_qp.o \
- hns_roce_cq.o hns_roce_alloc.o hns_roce_db.o
+ hns_roce_cq.o hns_roce_alloc.o hns_roce_db.o hns_roce_srq.o
obj-$(CONFIG_INFINIBAND_HNS_HIP06) += hns-roce-hw-v1.o
hns-roce-hw-v1-objs := hns_roce_hw_v1.o
obj-$(CONFIG_INFINIBAND_HNS_HIP08) += hns-roce-hw-v2.o
--- a/drivers/infiniband/hw/hns/hns_roce_alloc.c
+++ b/drivers/infiniband/hw/hns/hns_roce_alloc.c
@@ -239,6 +239,8 @@ err_free:
void hns_roce_cleanup_bitmap(struct hns_roce_dev *hr_dev)
{
+ if (hr_dev->caps.flags & HNS_ROCE_CAP_FLAG_SRQ)
+ hns_roce_cleanup_srq_table(hr_dev);
hns_roce_cleanup_qp_table(hr_dev);
hns_roce_cleanup_cq_table(hr_dev);
hns_roce_cleanup_mr_table(hr_dev);
--- a/drivers/infiniband/hw/hns/hns_roce_device.h
+++ b/drivers/infiniband/hw/hns/hns_roce_device.h
@@ -205,6 +205,8 @@ enum {
enum hns_roce_mtt_type {
MTT_TYPE_WQE,
MTT_TYPE_CQE,
+ MTT_TYPE_SRQWQE,
+ MTT_TYPE_IDX
};
enum {
@@ -340,6 +342,10 @@ struct hns_roce_mr_table {
struct hns_roce_hem_table mtpt_table;
struct hns_roce_buddy mtt_cqe_buddy;
struct hns_roce_hem_table mtt_cqe_table;
+ struct hns_roce_buddy mtt_srqwqe_buddy;
+ struct hns_roce_hem_table mtt_srqwqe_table;
+ struct hns_roce_buddy mtt_idx_buddy;
+ struct hns_roce_hem_table mtt_idx_table;
};
struct hns_roce_wq {
@@ -454,6 +460,13 @@ struct hns_roce_cq_table {
struct hns_roce_hem_table table;
};
+struct hns_roce_srq_table {
+ struct hns_roce_bitmap bitmap;
+ spinlock_t lock;
+ struct radix_tree_root tree;
+ struct hns_roce_hem_table table;
+};
+
struct hns_roce_raq_table {
struct hns_roce_buf_list *e_raq_buf;
};
@@ -680,6 +693,8 @@ struct hns_roce_caps {
u32 max_extend_sg;
int num_qps; /* 256k */
int reserved_qps;
+ u32 max_srq_sg;
+ int num_srqs;
u32 max_wqes; /* 16k */
u32 max_srqs;
u32 max_srq_wrs;
@@ -694,12 +709,16 @@ struct hns_roce_caps {
int min_cqes;
u32 min_wqes;
int reserved_cqs;
+ int reserved_srqs;
+ u32 max_srqwqes;
int num_aeq_vectors; /* 1 */
int num_comp_vectors;
int num_other_vectors;
int num_mtpts;
u32 num_mtt_segs;
u32 num_cqe_segs;
+ u32 num_srqwqe_segs;
+ u32 num_idx_segs;
int reserved_mrws;
int reserved_uars;
int num_pds;
@@ -713,6 +732,8 @@ struct hns_roce_caps {
int irrl_entry_sz;
int trrl_entry_sz;
int cqc_entry_sz;
+ int srqc_entry_sz;
+ int idx_entry_sz;
u32 pbl_ba_pg_sz;
u32 pbl_buf_pg_sz;
u32 pbl_hop_num;
@@ -843,6 +864,7 @@ struct hns_roce_dev {
struct hns_roce_uar_table uar_table;
struct hns_roce_mr_table mr_table;
struct hns_roce_cq_table cq_table;
+ struct hns_roce_srq_table srq_table;
struct hns_roce_qp_table qp_table;
struct hns_roce_eq_table eq_table;
@@ -955,12 +977,14 @@ int hns_roce_init_mr_table(struct hns_ro
int hns_roce_init_eq_table(struct hns_roce_dev *hr_dev);
int hns_roce_init_cq_table(struct hns_roce_dev *hr_dev);
int hns_roce_init_qp_table(struct hns_roce_dev *hr_dev);
+int hns_roce_init_srq_table(struct hns_roce_dev *hr_dev);
void hns_roce_cleanup_pd_table(struct hns_roce_dev *hr_dev);
void hns_roce_cleanup_mr_table(struct hns_roce_dev *hr_dev);
void hns_roce_cleanup_eq_table(struct hns_roce_dev *hr_dev);
void hns_roce_cleanup_cq_table(struct hns_roce_dev *hr_dev);
void hns_roce_cleanup_qp_table(struct hns_roce_dev *hr_dev);
+void hns_roce_cleanup_srq_table(struct hns_roce_dev *hr_dev);
int hns_roce_bitmap_alloc(struct hns_roce_bitmap *bitmap, unsigned long *obj);
void hns_roce_bitmap_free(struct hns_roce_bitmap *bitmap, unsigned long obj,
--- a/drivers/infiniband/hw/hns/hns_roce_hem.c
+++ b/drivers/infiniband/hw/hns/hns_roce_hem.c
@@ -1041,6 +1041,15 @@ void hns_roce_cleanup_hem_table(struct h
void hns_roce_cleanup_hem(struct hns_roce_dev *hr_dev)
{
+ if ((hr_dev->caps.num_idx_segs))
+ hns_roce_cleanup_hem_table(hr_dev,
+ &hr_dev->mr_table.mtt_idx_table);
+ if (hr_dev->caps.num_srqwqe_segs)
+ hns_roce_cleanup_hem_table(hr_dev,
+ &hr_dev->mr_table.mtt_srqwqe_table);
+ if (hr_dev->caps.srqc_entry_sz)
+ hns_roce_cleanup_hem_table(hr_dev,
+ &hr_dev->srq_table.table);
hns_roce_cleanup_hem_table(hr_dev, &hr_dev->cq_table.table);
if (hr_dev->caps.trrl_entry_sz)
hns_roce_cleanup_hem_table(hr_dev,
--- a/drivers/infiniband/hw/hns/hns_roce_hem.h
+++ b/drivers/infiniband/hw/hns/hns_roce_hem.h
@@ -48,6 +48,8 @@ enum {
/* UNMAP HEM */
HEM_TYPE_MTT,
HEM_TYPE_CQE,
+ HEM_TYPE_SRQWQE,
+ HEM_TYPE_IDX,
HEM_TYPE_IRRL,
HEM_TYPE_TRRL,
};
--- a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
+++ b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
@@ -1276,11 +1276,14 @@ static int hns_roce_v2_profile(struct hn
caps->num_qps = HNS_ROCE_V2_MAX_QP_NUM;
caps->max_wqes = HNS_ROCE_V2_MAX_WQE_NUM;
caps->num_cqs = HNS_ROCE_V2_MAX_CQ_NUM;
+ caps->num_srqs = HNS_ROCE_V2_MAX_SRQ_NUM;
caps->max_cqes = HNS_ROCE_V2_MAX_CQE_NUM;
+ caps->max_srqwqes = HNS_ROCE_V2_MAX_SRQWQE_NUM;
caps->max_sq_sg = HNS_ROCE_V2_MAX_SQ_SGE_NUM;
caps->max_extend_sg = HNS_ROCE_V2_MAX_EXTEND_SGE_NUM;
caps->max_rq_sg = HNS_ROCE_V2_MAX_RQ_SGE_NUM;
caps->max_sq_inline = HNS_ROCE_V2_MAX_SQ_INLINE;
+ caps->max_srq_sg = HNS_ROCE_V2_MAX_SRQ_SGE_NUM;
caps->num_uars = HNS_ROCE_V2_UAR_NUM;
caps->phy_num_uars = HNS_ROCE_V2_PHY_UAR_NUM;
caps->num_aeq_vectors = HNS_ROCE_V2_AEQE_VEC_NUM;
@@ -1289,6 +1292,8 @@ static int hns_roce_v2_profile(struct hn
caps->num_mtpts = HNS_ROCE_V2_MAX_MTPT_NUM;
caps->num_mtt_segs = HNS_ROCE_V2_MAX_MTT_SEGS;
caps->num_cqe_segs = HNS_ROCE_V2_MAX_CQE_SEGS;
+ caps->num_srqwqe_segs = HNS_ROCE_V2_MAX_SRQWQE_SEGS;
+ caps->num_idx_segs = HNS_ROCE_V2_MAX_IDX_SEGS;
caps->num_pds = HNS_ROCE_V2_MAX_PD_NUM;
caps->max_qp_init_rdma = HNS_ROCE_V2_MAX_QP_INIT_RDMA;
caps->max_qp_dest_rdma = HNS_ROCE_V2_MAX_QP_DEST_RDMA;
@@ -1299,8 +1304,10 @@ static int hns_roce_v2_profile(struct hn
caps->irrl_entry_sz = HNS_ROCE_V2_IRRL_ENTRY_SZ;
caps->trrl_entry_sz = HNS_ROCE_V2_TRRL_ENTRY_SZ;
caps->cqc_entry_sz = HNS_ROCE_V2_CQC_ENTRY_SZ;
+ caps->srqc_entry_sz = HNS_ROCE_V2_SRQC_ENTRY_SZ;
caps->mtpt_entry_sz = HNS_ROCE_V2_MTPT_ENTRY_SZ;
caps->mtt_entry_sz = HNS_ROCE_V2_MTT_ENTRY_SZ;
+ caps->idx_entry_sz = 4;
caps->cq_entry_sz = HNS_ROCE_V2_CQE_ENTRY_SIZE;
caps->page_size_cap = HNS_ROCE_V2_PAGE_SIZE_SUPPORTED;
caps->reserved_lkey = 0;
@@ -1308,6 +1315,7 @@ static int hns_roce_v2_profile(struct hn
caps->reserved_mrws = 1;
caps->reserved_uars = 0;
caps->reserved_cqs = 0;
+ caps->reserved_srqs = 0;
caps->reserved_qps = HNS_ROCE_V2_RSV_QPS;
caps->qpc_ba_pg_sz = 0;
--- a/drivers/infiniband/hw/hns/hns_roce_hw_v2.h
+++ b/drivers/infiniband/hw/hns/hns_roce_hw_v2.h
@@ -50,9 +50,12 @@
#define HNS_ROCE_V2_MAX_SRQ_WR 0x8000
#define HNS_ROCE_V2_MAX_SRQ_SGE 0x100
#define HNS_ROCE_V2_MAX_CQ_NUM 0x8000
+#define HNS_ROCE_V2_MAX_SRQ_NUM 0x100000
#define HNS_ROCE_V2_MAX_CQE_NUM 0x10000
+#define HNS_ROCE_V2_MAX_SRQWQE_NUM 0x8000
#define HNS_ROCE_V2_MAX_RQ_SGE_NUM 0x100
#define HNS_ROCE_V2_MAX_SQ_SGE_NUM 0xff
+#define HNS_ROCE_V2_MAX_SRQ_SGE_NUM 0x100
#define HNS_ROCE_V2_MAX_EXTEND_SGE_NUM 0x200000
#define HNS_ROCE_V2_MAX_SQ_INLINE 0x20
#define HNS_ROCE_V2_UAR_NUM 256
@@ -64,6 +67,8 @@
#define HNS_ROCE_V2_MAX_MTPT_NUM 0x8000
#define HNS_ROCE_V2_MAX_MTT_SEGS 0x1000000
#define HNS_ROCE_V2_MAX_CQE_SEGS 0x1000000
+#define HNS_ROCE_V2_MAX_SRQWQE_SEGS 0x1000000
+#define HNS_ROCE_V2_MAX_IDX_SEGS 0x1000000
#define HNS_ROCE_V2_MAX_PD_NUM 0x1000000
#define HNS_ROCE_V2_MAX_QP_INIT_RDMA 128
#define HNS_ROCE_V2_MAX_QP_DEST_RDMA 128
@@ -74,6 +79,7 @@
#define HNS_ROCE_V2_IRRL_ENTRY_SZ 64
#define HNS_ROCE_V2_TRRL_ENTRY_SZ 48
#define HNS_ROCE_V2_CQC_ENTRY_SZ 64
+#define HNS_ROCE_V2_SRQC_ENTRY_SZ 64
#define HNS_ROCE_V2_MTPT_ENTRY_SZ 64
#define HNS_ROCE_V2_MTT_ENTRY_SZ 64
#define HNS_ROCE_V2_CQE_ENTRY_SIZE 32
--- a/drivers/infiniband/hw/hns/hns_roce_main.c
+++ b/drivers/infiniband/hw/hns/hns_roce_main.c
@@ -651,8 +651,58 @@ static int hns_roce_init_hem(struct hns_
goto err_unmap_trrl;
}
+ if (hr_dev->caps.srqc_entry_sz) {
+ ret = hns_roce_init_hem_table(hr_dev, &hr_dev->srq_table.table,
+ HEM_TYPE_SRQC,
+ hr_dev->caps.srqc_entry_sz,
+ hr_dev->caps.num_srqs, 1);
+ if (ret) {
+ dev_err(dev,
+ "Failed to init SRQ context memory, aborting.\n");
+ goto err_unmap_cq;
+ }
+ }
+
+ if (hr_dev->caps.num_srqwqe_segs) {
+ ret = hns_roce_init_hem_table(hr_dev,
+ &hr_dev->mr_table.mtt_srqwqe_table,
+ HEM_TYPE_SRQWQE,
+ hr_dev->caps.mtt_entry_sz,
+ hr_dev->caps.num_srqwqe_segs, 1);
+ if (ret) {
+ dev_err(dev,
+ "Failed to init MTT srqwqe memory, aborting.\n");
+ goto err_unmap_srq;
+ }
+ }
+
+ if (hr_dev->caps.num_idx_segs) {
+ ret = hns_roce_init_hem_table(hr_dev,
+ &hr_dev->mr_table.mtt_idx_table,
+ HEM_TYPE_IDX,
+ hr_dev->caps.idx_entry_sz,
+ hr_dev->caps.num_idx_segs, 1);
+ if (ret) {
+ dev_err(dev,
+ "Failed to init MTT idx memory, aborting.\n");
+ goto err_unmap_srqwqe;
+ }
+ }
+
return 0;
+err_unmap_srqwqe:
+ if (hr_dev->caps.num_srqwqe_segs)
+ hns_roce_cleanup_hem_table(hr_dev,
+ &hr_dev->mr_table.mtt_srqwqe_table);
+
+err_unmap_srq:
+ if (hr_dev->caps.srqc_entry_sz)
+ hns_roce_cleanup_hem_table(hr_dev, &hr_dev->srq_table.table);
+
+err_unmap_cq:
+ hns_roce_cleanup_hem_table(hr_dev, &hr_dev->cq_table.table);
+
err_unmap_trrl:
if (hr_dev->caps.trrl_entry_sz)
hns_roce_cleanup_hem_table(hr_dev,
@@ -732,8 +782,21 @@ static int hns_roce_setup_hca(struct hns
goto err_cq_table_free;
}
+ if (hr_dev->caps.flags & HNS_ROCE_CAP_FLAG_SRQ) {
+ ret = hns_roce_init_srq_table(hr_dev);
+ if (ret) {
+ dev_err(dev,
+ "Failed to init share receive queue table.\n");
+ goto err_qp_table_free;
+ }
+ }
+
return 0;
+err_qp_table_free:
+ if (hr_dev->caps.flags & HNS_ROCE_CAP_FLAG_SRQ)
+ hns_roce_cleanup_qp_table(hr_dev);
+
err_cq_table_free:
hns_roce_cleanup_cq_table(hr_dev);
--- /dev/null
+++ b/drivers/infiniband/hw/hns/hns_roce_srq.c
@@ -0,0 +1,27 @@
+// SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB
+/*
+ * Copyright (c) 2018 Hisilicon Limited.
+ */
+
+#include <rdma/ib_umem.h>
+#include <rdma/hns-abi.h>
+#include "hns_roce_device.h"
+#include "hns_roce_cmd.h"
+#include "hns_roce_hem.h"
+
+int hns_roce_init_srq_table(struct hns_roce_dev *hr_dev)
+{
+ struct hns_roce_srq_table *srq_table = &hr_dev->srq_table;
+
+ spin_lock_init(&srq_table->lock);
+ INIT_RADIX_TREE(&srq_table->tree, GFP_ATOMIC);
+
+ return hns_roce_bitmap_init(&srq_table->bitmap, hr_dev->caps.num_srqs,
+ hr_dev->caps.num_srqs - 1,
+ hr_dev->caps.reserved_srqs, 0);
+}
+
+void hns_roce_cleanup_srq_table(struct hns_roce_dev *hr_dev)
+{
+ hns_roce_bitmap_cleanup(&hr_dev->srq_table.bitmap);
+}