From 50a212ec906f7524620675f0c57357691c26c81f Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Wed, 16 Oct 2024 01:20:19 +0000
Subject: [PATCH] 修改GPIO导出默认初始值
---
kernel/drivers/infiniband/hw/hns/hns_roce_qp.c | 1533 ++++++++++++++++++++++++++++++++--------------------------
1 files changed, 849 insertions(+), 684 deletions(-)
diff --git a/kernel/drivers/infiniband/hw/hns/hns_roce_qp.c b/kernel/drivers/infiniband/hw/hns/hns_roce_qp.c
index 3012d7e..c42c676 100644
--- a/kernel/drivers/infiniband/hw/hns/hns_roce_qp.c
+++ b/kernel/drivers/infiniband/hw/hns/hns_roce_qp.c
@@ -35,30 +35,74 @@
#include <linux/platform_device.h>
#include <rdma/ib_addr.h>
#include <rdma/ib_umem.h>
+#include <rdma/uverbs_ioctl.h>
#include "hns_roce_common.h"
#include "hns_roce_device.h"
#include "hns_roce_hem.h"
#include <rdma/hns-abi.h>
-#define SQP_NUM (2 * HNS_ROCE_MAX_PORTS)
+static void flush_work_handle(struct work_struct *work)
+{
+ struct hns_roce_work *flush_work = container_of(work,
+ struct hns_roce_work, work);
+ struct hns_roce_qp *hr_qp = container_of(flush_work,
+ struct hns_roce_qp, flush_work);
+ struct device *dev = flush_work->hr_dev->dev;
+ struct ib_qp_attr attr;
+ int attr_mask;
+ int ret;
+
+ attr_mask = IB_QP_STATE;
+ attr.qp_state = IB_QPS_ERR;
+
+ if (test_and_clear_bit(HNS_ROCE_FLUSH_FLAG, &hr_qp->flush_flag)) {
+ ret = hns_roce_modify_qp(&hr_qp->ibqp, &attr, attr_mask, NULL);
+ if (ret)
+ dev_err(dev, "Modify QP to error state failed(%d) during CQE flush\n",
+ ret);
+ }
+
+ /*
+ * make sure we signal QP destroy leg that flush QP was completed
+ * so that it can safely proceed ahead now and destroy QP
+ */
+ if (atomic_dec_and_test(&hr_qp->refcount))
+ complete(&hr_qp->free);
+}
+
+void init_flush_work(struct hns_roce_dev *hr_dev, struct hns_roce_qp *hr_qp)
+{
+ struct hns_roce_work *flush_work = &hr_qp->flush_work;
+
+ flush_work->hr_dev = hr_dev;
+ INIT_WORK(&flush_work->work, flush_work_handle);
+ atomic_inc(&hr_qp->refcount);
+ queue_work(hr_dev->irq_workq, &flush_work->work);
+}
void hns_roce_qp_event(struct hns_roce_dev *hr_dev, u32 qpn, int event_type)
{
- struct hns_roce_qp_table *qp_table = &hr_dev->qp_table;
struct device *dev = hr_dev->dev;
struct hns_roce_qp *qp;
- spin_lock(&qp_table->lock);
-
+ xa_lock(&hr_dev->qp_table_xa);
qp = __hns_roce_qp_lookup(hr_dev, qpn);
if (qp)
atomic_inc(&qp->refcount);
-
- spin_unlock(&qp_table->lock);
+ xa_unlock(&hr_dev->qp_table_xa);
if (!qp) {
dev_warn(dev, "Async event for bogus QP %08x\n", qpn);
return;
+ }
+
+ if (hr_dev->hw_rev != HNS_ROCE_HW_VER1 &&
+ (event_type == HNS_ROCE_EVENT_TYPE_WQ_CATAS_ERROR ||
+ event_type == HNS_ROCE_EVENT_TYPE_INV_REQ_LOCAL_WQ_ERROR ||
+ event_type == HNS_ROCE_EVENT_TYPE_LOCAL_WQ_ACCESS_ERROR)) {
+ qp->state = IB_QPS_ERR;
+ if (!test_and_set_bit(HNS_ROCE_FLUSH_FLAG, &qp->flush_flag))
+ init_flush_work(hr_dev, qp);
}
qp->event(qp, (enum hns_roce_event)event_type);
@@ -66,13 +110,12 @@
if (atomic_dec_and_test(&qp->refcount))
complete(&qp->free);
}
-EXPORT_SYMBOL_GPL(hns_roce_qp_event);
static void hns_roce_ib_qp_event(struct hns_roce_qp *hr_qp,
enum hns_roce_event type)
{
- struct ib_event event;
struct ib_qp *ibqp = &hr_qp->ibqp;
+ struct ib_event event;
if (ibqp->event_handler) {
event.device = ibqp->device;
@@ -111,15 +154,34 @@
}
}
-static int hns_roce_reserve_range_qp(struct hns_roce_dev *hr_dev, int cnt,
- int align, unsigned long *base)
+static int alloc_qpn(struct hns_roce_dev *hr_dev, struct hns_roce_qp *hr_qp)
{
- struct hns_roce_qp_table *qp_table = &hr_dev->qp_table;
+ unsigned long num = 0;
+ int ret;
- return hns_roce_bitmap_alloc_range(&qp_table->bitmap, cnt, align,
- base) ?
- -ENOMEM :
- 0;
+ if (hr_qp->ibqp.qp_type == IB_QPT_GSI) {
+ /* when hw version is v1, the sqpn is allocated */
+ if (hr_dev->hw_rev == HNS_ROCE_HW_VER1)
+ num = HNS_ROCE_MAX_PORTS +
+ hr_dev->iboe.phy_port[hr_qp->port];
+ else
+ num = 1;
+
+ hr_qp->doorbell_qpn = 1;
+ } else {
+ ret = hns_roce_bitmap_alloc_range(&hr_dev->qp_table.bitmap,
+ 1, 1, &num);
+ if (ret) {
+ ibdev_err(&hr_dev->ib_dev, "Failed to alloc bitmap\n");
+ return -ENOMEM;
+ }
+
+ hr_qp->doorbell_qpn = (u32)num;
+ }
+
+ hr_qp->qpn = num;
+
+ return 0;
}
enum hns_roce_qp_state to_hns_roce_state(enum ib_qp_state state)
@@ -141,61 +203,76 @@
return HNS_ROCE_QP_NUM_STATE;
}
}
-EXPORT_SYMBOL_GPL(to_hns_roce_state);
-static int hns_roce_gsi_qp_alloc(struct hns_roce_dev *hr_dev, unsigned long qpn,
- struct hns_roce_qp *hr_qp)
+static void add_qp_to_list(struct hns_roce_dev *hr_dev,
+ struct hns_roce_qp *hr_qp,
+ struct ib_cq *send_cq, struct ib_cq *recv_cq)
{
- struct hns_roce_qp_table *qp_table = &hr_dev->qp_table;
+ struct hns_roce_cq *hr_send_cq, *hr_recv_cq;
+ unsigned long flags;
+
+ hr_send_cq = send_cq ? to_hr_cq(send_cq) : NULL;
+ hr_recv_cq = recv_cq ? to_hr_cq(recv_cq) : NULL;
+
+ spin_lock_irqsave(&hr_dev->qp_list_lock, flags);
+ hns_roce_lock_cqs(hr_send_cq, hr_recv_cq);
+
+ list_add_tail(&hr_qp->node, &hr_dev->qp_list);
+ if (hr_send_cq)
+ list_add_tail(&hr_qp->sq_node, &hr_send_cq->sq_list);
+ if (hr_recv_cq)
+ list_add_tail(&hr_qp->rq_node, &hr_recv_cq->rq_list);
+
+ hns_roce_unlock_cqs(hr_send_cq, hr_recv_cq);
+ spin_unlock_irqrestore(&hr_dev->qp_list_lock, flags);
+}
+
+static int hns_roce_qp_store(struct hns_roce_dev *hr_dev,
+ struct hns_roce_qp *hr_qp,
+ struct ib_qp_init_attr *init_attr)
+{
+ struct xarray *xa = &hr_dev->qp_table_xa;
int ret;
- if (!qpn)
+ if (!hr_qp->qpn)
return -EINVAL;
- hr_qp->qpn = qpn;
-
- spin_lock_irq(&qp_table->lock);
- ret = radix_tree_insert(&hr_dev->qp_table_tree,
- hr_qp->qpn & (hr_dev->caps.num_qps - 1), hr_qp);
- spin_unlock_irq(&qp_table->lock);
- if (ret) {
- dev_err(hr_dev->dev, "QPC radix_tree_insert failed\n");
- goto err_put_irrl;
- }
-
- atomic_set(&hr_qp->refcount, 1);
- init_completion(&hr_qp->free);
-
- return 0;
-
-err_put_irrl:
+ ret = xa_err(xa_store_irq(xa, hr_qp->qpn, hr_qp, GFP_KERNEL));
+ if (ret)
+ dev_err(hr_dev->dev, "Failed to xa store for QPC\n");
+ else
+ /* add QP to device's QP list for softwc */
+ add_qp_to_list(hr_dev, hr_qp, init_attr->send_cq,
+ init_attr->recv_cq);
return ret;
}
-static int hns_roce_qp_alloc(struct hns_roce_dev *hr_dev, unsigned long qpn,
- struct hns_roce_qp *hr_qp)
+static int alloc_qpc(struct hns_roce_dev *hr_dev, struct hns_roce_qp *hr_qp)
{
struct hns_roce_qp_table *qp_table = &hr_dev->qp_table;
struct device *dev = hr_dev->dev;
int ret;
- if (!qpn)
+ if (!hr_qp->qpn)
return -EINVAL;
- hr_qp->qpn = qpn;
+ /* In v1 engine, GSI QP context is saved in the RoCE hw's register */
+ if (hr_qp->ibqp.qp_type == IB_QPT_GSI &&
+ hr_dev->hw_rev == HNS_ROCE_HW_VER1)
+ return 0;
/* Alloc memory for QPC */
ret = hns_roce_table_get(hr_dev, &qp_table->qp_table, hr_qp->qpn);
if (ret) {
- dev_err(dev, "QPC table get failed\n");
+ dev_err(dev, "Failed to get QPC table\n");
goto err_out;
}
/* Alloc memory for IRRL */
ret = hns_roce_table_get(hr_dev, &qp_table->irrl_table, hr_qp->qpn);
if (ret) {
- dev_err(dev, "IRRL table get failed\n");
+ dev_err(dev, "Failed to get IRRL table\n");
goto err_put_qp;
}
@@ -204,22 +281,20 @@
ret = hns_roce_table_get(hr_dev, &qp_table->trrl_table,
hr_qp->qpn);
if (ret) {
- dev_err(dev, "TRRL table get failed\n");
+ dev_err(dev, "Failed to get TRRL table\n");
goto err_put_irrl;
}
}
- spin_lock_irq(&qp_table->lock);
- ret = radix_tree_insert(&hr_dev->qp_table_tree,
- hr_qp->qpn & (hr_dev->caps.num_qps - 1), hr_qp);
- spin_unlock_irq(&qp_table->lock);
- if (ret) {
- dev_err(dev, "QPC radix_tree_insert failed\n");
- goto err_put_trrl;
+ if (hr_dev->caps.flags & HNS_ROCE_CAP_FLAG_QP_FLOW_CTRL) {
+ /* Alloc memory for SCC CTX */
+ ret = hns_roce_table_get(hr_dev, &qp_table->sccc_table,
+ hr_qp->qpn);
+ if (ret) {
+ dev_err(dev, "Failed to get SCC CTX table\n");
+ goto err_put_trrl;
+ }
}
-
- atomic_set(&hr_qp->refcount, 1);
- init_completion(&hr_qp->free);
return 0;
@@ -239,273 +314,267 @@
void hns_roce_qp_remove(struct hns_roce_dev *hr_dev, struct hns_roce_qp *hr_qp)
{
- struct hns_roce_qp_table *qp_table = &hr_dev->qp_table;
+ struct xarray *xa = &hr_dev->qp_table_xa;
unsigned long flags;
- spin_lock_irqsave(&qp_table->lock, flags);
- radix_tree_delete(&hr_dev->qp_table_tree,
- hr_qp->qpn & (hr_dev->caps.num_qps - 1));
- spin_unlock_irqrestore(&qp_table->lock, flags);
-}
-EXPORT_SYMBOL_GPL(hns_roce_qp_remove);
+ list_del(&hr_qp->node);
+ list_del(&hr_qp->sq_node);
+ list_del(&hr_qp->rq_node);
-void hns_roce_qp_free(struct hns_roce_dev *hr_dev, struct hns_roce_qp *hr_qp)
+ xa_lock_irqsave(xa, flags);
+ __xa_erase(xa, hr_qp->qpn & (hr_dev->caps.num_qps - 1));
+ xa_unlock_irqrestore(xa, flags);
+}
+
+static void free_qpc(struct hns_roce_dev *hr_dev, struct hns_roce_qp *hr_qp)
{
struct hns_roce_qp_table *qp_table = &hr_dev->qp_table;
- if (atomic_dec_and_test(&hr_qp->refcount))
- complete(&hr_qp->free);
- wait_for_completion(&hr_qp->free);
-
- if ((hr_qp->ibqp.qp_type) != IB_QPT_GSI) {
- if (hr_dev->caps.trrl_entry_sz)
- hns_roce_table_put(hr_dev, &qp_table->trrl_table,
- hr_qp->qpn);
- hns_roce_table_put(hr_dev, &qp_table->irrl_table, hr_qp->qpn);
- }
-}
-EXPORT_SYMBOL_GPL(hns_roce_qp_free);
-
-void hns_roce_release_range_qp(struct hns_roce_dev *hr_dev, int base_qpn,
- int cnt)
-{
- struct hns_roce_qp_table *qp_table = &hr_dev->qp_table;
-
- if (base_qpn < SQP_NUM)
+ /* In v1 engine, GSI QP context is saved in the RoCE hw's register */
+ if (hr_qp->ibqp.qp_type == IB_QPT_GSI &&
+ hr_dev->hw_rev == HNS_ROCE_HW_VER1)
return;
- hns_roce_bitmap_free_range(&qp_table->bitmap, base_qpn, cnt, BITMAP_RR);
+ if (hr_dev->caps.trrl_entry_sz)
+ hns_roce_table_put(hr_dev, &qp_table->trrl_table, hr_qp->qpn);
+ hns_roce_table_put(hr_dev, &qp_table->irrl_table, hr_qp->qpn);
}
-EXPORT_SYMBOL_GPL(hns_roce_release_range_qp);
-static int hns_roce_set_rq_size(struct hns_roce_dev *hr_dev,
- struct ib_qp_cap *cap, int is_user, int has_srq,
- struct hns_roce_qp *hr_qp)
+static void free_qpn(struct hns_roce_dev *hr_dev, struct hns_roce_qp *hr_qp)
{
- struct device *dev = hr_dev->dev;
- u32 max_cnt;
+ struct hns_roce_qp_table *qp_table = &hr_dev->qp_table;
+
+ if (hr_qp->ibqp.qp_type == IB_QPT_GSI)
+ return;
+
+ if (hr_qp->qpn < hr_dev->caps.reserved_qps)
+ return;
+
+ hns_roce_bitmap_free_range(&qp_table->bitmap, hr_qp->qpn, 1, BITMAP_RR);
+}
+
+static int set_rq_size(struct hns_roce_dev *hr_dev, struct ib_qp_cap *cap,
+ struct hns_roce_qp *hr_qp, int has_rq)
+{
+ u32 cnt;
+
+ /* If srq exist, set zero for relative number of rq */
+ if (!has_rq) {
+ hr_qp->rq.wqe_cnt = 0;
+ hr_qp->rq.max_gs = 0;
+ hr_qp->rq_inl_buf.wqe_cnt = 0;
+ cap->max_recv_wr = 0;
+ cap->max_recv_sge = 0;
+
+ return 0;
+ }
/* Check the validity of QP support capacity */
- if (cap->max_recv_wr > hr_dev->caps.max_wqes ||
+ if (!cap->max_recv_wr || cap->max_recv_wr > hr_dev->caps.max_wqes ||
cap->max_recv_sge > hr_dev->caps.max_rq_sg) {
- dev_err(dev, "RQ WR or sge error!max_recv_wr=%d max_recv_sge=%d\n",
- cap->max_recv_wr, cap->max_recv_sge);
+ ibdev_err(&hr_dev->ib_dev, "RQ config error, depth=%u, sge=%d\n",
+ cap->max_recv_wr, cap->max_recv_sge);
return -EINVAL;
}
- /* If srq exit, set zero for relative number of rq */
- if (has_srq) {
- if (cap->max_recv_wr) {
- dev_dbg(dev, "srq no need config max_recv_wr\n");
- return -EINVAL;
- }
-
- hr_qp->rq.wqe_cnt = hr_qp->rq.max_gs = 0;
- } else {
- if (is_user && (!cap->max_recv_wr || !cap->max_recv_sge)) {
- dev_err(dev, "user space no need config max_recv_wr max_recv_sge\n");
- return -EINVAL;
- }
-
- if (hr_dev->caps.min_wqes)
- max_cnt = max(cap->max_recv_wr, hr_dev->caps.min_wqes);
- else
- max_cnt = cap->max_recv_wr;
-
- hr_qp->rq.wqe_cnt = roundup_pow_of_two(max_cnt);
-
- if ((u32)hr_qp->rq.wqe_cnt > hr_dev->caps.max_wqes) {
- dev_err(dev, "while setting rq size, rq.wqe_cnt too large\n");
- return -EINVAL;
- }
-
- max_cnt = max(1U, cap->max_recv_sge);
- hr_qp->rq.max_gs = roundup_pow_of_two(max_cnt);
- if (hr_dev->caps.max_rq_sg <= 2)
- hr_qp->rq.wqe_shift =
- ilog2(hr_dev->caps.max_rq_desc_sz);
- else
- hr_qp->rq.wqe_shift =
- ilog2(hr_dev->caps.max_rq_desc_sz
- * hr_qp->rq.max_gs);
+ cnt = roundup_pow_of_two(max(cap->max_recv_wr, hr_dev->caps.min_wqes));
+ if (cnt > hr_dev->caps.max_wqes) {
+ ibdev_err(&hr_dev->ib_dev, "rq depth %u too large\n",
+ cap->max_recv_wr);
+ return -EINVAL;
}
- cap->max_recv_wr = hr_qp->rq.max_post = hr_qp->rq.wqe_cnt;
+ hr_qp->rq.max_gs = roundup_pow_of_two(max(1U, cap->max_recv_sge));
+
+ hr_qp->rq.wqe_shift = ilog2(hr_dev->caps.max_rq_desc_sz *
+ hr_qp->rq.max_gs);
+
+ hr_qp->rq.wqe_cnt = cnt;
+ if (hr_dev->caps.flags & HNS_ROCE_CAP_FLAG_RQ_INLINE)
+ hr_qp->rq_inl_buf.wqe_cnt = cnt;
+ else
+ hr_qp->rq_inl_buf.wqe_cnt = 0;
+
+ cap->max_recv_wr = cnt;
cap->max_recv_sge = hr_qp->rq.max_gs;
return 0;
}
-static int hns_roce_set_user_sq_size(struct hns_roce_dev *hr_dev,
- struct ib_qp_cap *cap,
- struct hns_roce_qp *hr_qp,
- struct hns_roce_ib_create_qp *ucmd)
+static int set_extend_sge_param(struct hns_roce_dev *hr_dev, u32 sq_wqe_cnt,
+ struct hns_roce_qp *hr_qp,
+ struct ib_qp_cap *cap)
+{
+ u32 cnt;
+
+ cnt = max(1U, cap->max_send_sge);
+ if (hr_dev->hw_rev == HNS_ROCE_HW_VER1) {
+ hr_qp->sq.max_gs = roundup_pow_of_two(cnt);
+ hr_qp->sge.sge_cnt = 0;
+
+ return 0;
+ }
+
+ hr_qp->sq.max_gs = cnt;
+
+ /* UD sqwqe's sge use extend sge */
+ if (hr_qp->ibqp.qp_type == IB_QPT_GSI ||
+ hr_qp->ibqp.qp_type == IB_QPT_UD) {
+ cnt = roundup_pow_of_two(sq_wqe_cnt * hr_qp->sq.max_gs);
+ } else if (hr_qp->sq.max_gs > HNS_ROCE_SGE_IN_WQE) {
+ cnt = roundup_pow_of_two(sq_wqe_cnt *
+ (hr_qp->sq.max_gs - HNS_ROCE_SGE_IN_WQE));
+ } else {
+ cnt = 0;
+ }
+
+ hr_qp->sge.sge_shift = HNS_ROCE_SGE_SHIFT;
+
+ /* If the number of extended sge is not zero, they MUST use the
+ * space of HNS_HW_PAGE_SIZE at least.
+ */
+ hr_qp->sge.sge_cnt = cnt ?
+ max(cnt, (u32)HNS_HW_PAGE_SIZE / HNS_ROCE_SGE_SIZE) : 0;
+
+ return 0;
+}
+
+static int check_sq_size_with_integrity(struct hns_roce_dev *hr_dev,
+ struct ib_qp_cap *cap,
+ struct hns_roce_ib_create_qp *ucmd)
{
u32 roundup_sq_stride = roundup_pow_of_two(hr_dev->caps.max_sq_desc_sz);
u8 max_sq_stride = ilog2(roundup_sq_stride);
- u32 page_size;
- u32 max_cnt;
/* Sanity check SQ size before proceeding */
- if ((u32)(1 << ucmd->log_sq_bb_count) > hr_dev->caps.max_wqes ||
- ucmd->log_sq_stride > max_sq_stride ||
- ucmd->log_sq_stride < HNS_ROCE_IB_MIN_SQ_STRIDE) {
- dev_err(hr_dev->dev, "check SQ size error!\n");
+ if (ucmd->log_sq_stride > max_sq_stride ||
+ ucmd->log_sq_stride < HNS_ROCE_IB_MIN_SQ_STRIDE) {
+ ibdev_err(&hr_dev->ib_dev, "failed to check SQ stride size.\n");
return -EINVAL;
}
if (cap->max_send_sge > hr_dev->caps.max_sq_sg) {
- dev_err(hr_dev->dev, "SQ sge error! max_send_sge=%d\n",
- cap->max_send_sge);
+ ibdev_err(&hr_dev->ib_dev, "failed to check SQ SGE size %u.\n",
+ cap->max_send_sge);
return -EINVAL;
- }
-
- hr_qp->sq.wqe_cnt = 1 << ucmd->log_sq_bb_count;
- hr_qp->sq.wqe_shift = ucmd->log_sq_stride;
-
- max_cnt = max(1U, cap->max_send_sge);
- if (hr_dev->caps.max_sq_sg <= 2)
- hr_qp->sq.max_gs = roundup_pow_of_two(max_cnt);
- else
- hr_qp->sq.max_gs = max_cnt;
-
- if (hr_qp->sq.max_gs > 2)
- hr_qp->sge.sge_cnt = roundup_pow_of_two(hr_qp->sq.wqe_cnt *
- (hr_qp->sq.max_gs - 2));
-
- if ((hr_qp->sq.max_gs > 2) && (hr_dev->pci_dev->revision == 0x20)) {
- if (hr_qp->sge.sge_cnt > hr_dev->caps.max_extend_sg) {
- dev_err(hr_dev->dev,
- "The extended sge cnt error! sge_cnt=%d\n",
- hr_qp->sge.sge_cnt);
- return -EINVAL;
- }
- }
-
- hr_qp->sge.sge_shift = 4;
-
- /* Get buf size, SQ and RQ are aligned to page_szie */
- if (hr_dev->caps.max_sq_sg <= 2) {
- hr_qp->buff_size = HNS_ROCE_ALOGN_UP((hr_qp->rq.wqe_cnt <<
- hr_qp->rq.wqe_shift), PAGE_SIZE) +
- HNS_ROCE_ALOGN_UP((hr_qp->sq.wqe_cnt <<
- hr_qp->sq.wqe_shift), PAGE_SIZE);
-
- hr_qp->sq.offset = 0;
- hr_qp->rq.offset = HNS_ROCE_ALOGN_UP((hr_qp->sq.wqe_cnt <<
- hr_qp->sq.wqe_shift), PAGE_SIZE);
- } else {
- page_size = 1 << (hr_dev->caps.mtt_buf_pg_sz + PAGE_SHIFT);
- hr_qp->buff_size = HNS_ROCE_ALOGN_UP((hr_qp->rq.wqe_cnt <<
- hr_qp->rq.wqe_shift), page_size) +
- HNS_ROCE_ALOGN_UP((hr_qp->sge.sge_cnt <<
- hr_qp->sge.sge_shift), page_size) +
- HNS_ROCE_ALOGN_UP((hr_qp->sq.wqe_cnt <<
- hr_qp->sq.wqe_shift), page_size);
-
- hr_qp->sq.offset = 0;
- if (hr_qp->sge.sge_cnt) {
- hr_qp->sge.offset = HNS_ROCE_ALOGN_UP(
- (hr_qp->sq.wqe_cnt <<
- hr_qp->sq.wqe_shift),
- page_size);
- hr_qp->rq.offset = hr_qp->sge.offset +
- HNS_ROCE_ALOGN_UP((hr_qp->sge.sge_cnt <<
- hr_qp->sge.sge_shift),
- page_size);
- } else {
- hr_qp->rq.offset = HNS_ROCE_ALOGN_UP(
- (hr_qp->sq.wqe_cnt <<
- hr_qp->sq.wqe_shift),
- page_size);
- }
}
return 0;
}
-static int hns_roce_set_kernel_sq_size(struct hns_roce_dev *hr_dev,
- struct ib_qp_cap *cap,
- struct hns_roce_qp *hr_qp)
+static int set_user_sq_size(struct hns_roce_dev *hr_dev,
+ struct ib_qp_cap *cap, struct hns_roce_qp *hr_qp,
+ struct hns_roce_ib_create_qp *ucmd)
{
- struct device *dev = hr_dev->dev;
- u32 page_size;
- u32 max_cnt;
- int size;
+ struct ib_device *ibdev = &hr_dev->ib_dev;
+ u32 cnt = 0;
+ int ret;
- if (cap->max_send_wr > hr_dev->caps.max_wqes ||
- cap->max_send_sge > hr_dev->caps.max_sq_sg ||
- cap->max_inline_data > hr_dev->caps.max_sq_inline) {
- dev_err(dev, "SQ WR or sge or inline data error!\n");
+ if (check_shl_overflow(1, ucmd->log_sq_bb_count, &cnt) ||
+ cnt > hr_dev->caps.max_wqes)
+ return -EINVAL;
+
+ ret = check_sq_size_with_integrity(hr_dev, cap, ucmd);
+ if (ret) {
+ ibdev_err(ibdev, "failed to check user SQ size, ret = %d.\n",
+ ret);
+ return ret;
+ }
+
+ ret = set_extend_sge_param(hr_dev, cnt, hr_qp, cap);
+ if (ret)
+ return ret;
+
+ hr_qp->sq.wqe_shift = ucmd->log_sq_stride;
+ hr_qp->sq.wqe_cnt = cnt;
+
+ return 0;
+}
+
+static int set_wqe_buf_attr(struct hns_roce_dev *hr_dev,
+ struct hns_roce_qp *hr_qp,
+ struct hns_roce_buf_attr *buf_attr)
+{
+ int buf_size;
+ int idx = 0;
+
+ hr_qp->buff_size = 0;
+
+ /* SQ WQE */
+ hr_qp->sq.offset = 0;
+ buf_size = to_hr_hem_entries_size(hr_qp->sq.wqe_cnt,
+ hr_qp->sq.wqe_shift);
+ if (buf_size > 0 && idx < ARRAY_SIZE(buf_attr->region)) {
+ buf_attr->region[idx].size = buf_size;
+ buf_attr->region[idx].hopnum = hr_dev->caps.wqe_sq_hop_num;
+ idx++;
+ hr_qp->buff_size += buf_size;
+ }
+
+ /* extend SGE WQE in SQ */
+ hr_qp->sge.offset = hr_qp->buff_size;
+ buf_size = to_hr_hem_entries_size(hr_qp->sge.sge_cnt,
+ hr_qp->sge.sge_shift);
+ if (buf_size > 0 && idx < ARRAY_SIZE(buf_attr->region)) {
+ buf_attr->region[idx].size = buf_size;
+ buf_attr->region[idx].hopnum = hr_dev->caps.wqe_sge_hop_num;
+ idx++;
+ hr_qp->buff_size += buf_size;
+ }
+
+ /* RQ WQE */
+ hr_qp->rq.offset = hr_qp->buff_size;
+ buf_size = to_hr_hem_entries_size(hr_qp->rq.wqe_cnt,
+ hr_qp->rq.wqe_shift);
+ if (buf_size > 0 && idx < ARRAY_SIZE(buf_attr->region)) {
+ buf_attr->region[idx].size = buf_size;
+ buf_attr->region[idx].hopnum = hr_dev->caps.wqe_rq_hop_num;
+ idx++;
+ hr_qp->buff_size += buf_size;
+ }
+
+ if (hr_qp->buff_size < 1)
+ return -EINVAL;
+
+ buf_attr->page_shift = HNS_HW_PAGE_SHIFT + hr_dev->caps.mtt_buf_pg_sz;
+ buf_attr->fixed_page = true;
+ buf_attr->region_count = idx;
+
+ return 0;
+}
+
+static int set_kernel_sq_size(struct hns_roce_dev *hr_dev,
+ struct ib_qp_cap *cap, struct hns_roce_qp *hr_qp)
+{
+ struct ib_device *ibdev = &hr_dev->ib_dev;
+ u32 cnt;
+ int ret;
+
+ if (!cap->max_send_wr || cap->max_send_wr > hr_dev->caps.max_wqes ||
+ cap->max_send_sge > hr_dev->caps.max_sq_sg) {
+ ibdev_err(ibdev,
+ "failed to check SQ WR or SGE num, ret = %d.\n",
+ -EINVAL);
+ return -EINVAL;
+ }
+
+ cnt = roundup_pow_of_two(max(cap->max_send_wr, hr_dev->caps.min_wqes));
+ if (cnt > hr_dev->caps.max_wqes) {
+ ibdev_err(ibdev, "failed to check WQE num, WQE num = %u.\n",
+ cnt);
return -EINVAL;
}
hr_qp->sq.wqe_shift = ilog2(hr_dev->caps.max_sq_desc_sz);
- hr_qp->sq_max_wqes_per_wr = 1;
- hr_qp->sq_spare_wqes = 0;
+ hr_qp->sq.wqe_cnt = cnt;
- if (hr_dev->caps.min_wqes)
- max_cnt = max(cap->max_send_wr, hr_dev->caps.min_wqes);
- else
- max_cnt = cap->max_send_wr;
+ ret = set_extend_sge_param(hr_dev, cnt, hr_qp, cap);
+ if (ret)
+ return ret;
- hr_qp->sq.wqe_cnt = roundup_pow_of_two(max_cnt);
- if ((u32)hr_qp->sq.wqe_cnt > hr_dev->caps.max_wqes) {
- dev_err(dev, "while setting kernel sq size, sq.wqe_cnt too large\n");
- return -EINVAL;
- }
-
- /* Get data_seg numbers */
- max_cnt = max(1U, cap->max_send_sge);
- if (hr_dev->caps.max_sq_sg <= 2)
- hr_qp->sq.max_gs = roundup_pow_of_two(max_cnt);
- else
- hr_qp->sq.max_gs = max_cnt;
-
- if (hr_qp->sq.max_gs > 2) {
- hr_qp->sge.sge_cnt = roundup_pow_of_two(hr_qp->sq.wqe_cnt *
- (hr_qp->sq.max_gs - 2));
- hr_qp->sge.sge_shift = 4;
- }
-
- /* ud sqwqe's sge use extend sge */
- if (hr_dev->caps.max_sq_sg > 2 && hr_qp->ibqp.qp_type == IB_QPT_GSI) {
- hr_qp->sge.sge_cnt = roundup_pow_of_two(hr_qp->sq.wqe_cnt *
- hr_qp->sq.max_gs);
- hr_qp->sge.sge_shift = 4;
- }
-
- if ((hr_qp->sq.max_gs > 2) && hr_dev->pci_dev->revision == 0x20) {
- if (hr_qp->sge.sge_cnt > hr_dev->caps.max_extend_sg) {
- dev_err(dev, "The extended sge cnt error! sge_cnt=%d\n",
- hr_qp->sge.sge_cnt);
- return -EINVAL;
- }
- }
-
- /* Get buf size, SQ and RQ are aligned to PAGE_SIZE */
- page_size = 1 << (hr_dev->caps.mtt_buf_pg_sz + PAGE_SHIFT);
- hr_qp->sq.offset = 0;
- size = HNS_ROCE_ALOGN_UP(hr_qp->sq.wqe_cnt << hr_qp->sq.wqe_shift,
- page_size);
-
- if (hr_dev->caps.max_sq_sg > 2 && hr_qp->sge.sge_cnt) {
- hr_qp->sge.offset = size;
- size += HNS_ROCE_ALOGN_UP(hr_qp->sge.sge_cnt <<
- hr_qp->sge.sge_shift, page_size);
- }
-
- hr_qp->rq.offset = size;
- size += HNS_ROCE_ALOGN_UP((hr_qp->rq.wqe_cnt << hr_qp->rq.wqe_shift),
- page_size);
- hr_qp->buff_size = size;
-
- /* Get wr and sge number which send */
- cap->max_send_wr = hr_qp->sq.max_post = hr_qp->sq.wqe_cnt;
+ /* sync the parameters of kernel QP to user's configuration */
+ cap->max_send_wr = cnt;
cap->max_send_sge = hr_qp->sq.max_gs;
-
- /* We don't support inline sends for kernel QPs (yet) */
- cap->max_inline_data = 0;
return 0;
}
@@ -528,329 +597,424 @@
return 1;
}
-static int hns_roce_create_qp_common(struct hns_roce_dev *hr_dev,
- struct ib_pd *ib_pd,
- struct ib_qp_init_attr *init_attr,
- struct ib_udata *udata, unsigned long sqpn,
- struct hns_roce_qp *hr_qp)
+static int alloc_rq_inline_buf(struct hns_roce_qp *hr_qp,
+ struct ib_qp_init_attr *init_attr)
{
- struct device *dev = hr_dev->dev;
- struct hns_roce_ib_create_qp ucmd;
- struct hns_roce_ib_create_qp_resp resp = {};
- unsigned long qpn = 0;
- int ret = 0;
- u32 page_shift;
- u32 npages;
+ u32 max_recv_sge = init_attr->cap.max_recv_sge;
+ u32 wqe_cnt = hr_qp->rq_inl_buf.wqe_cnt;
+ struct hns_roce_rinl_wqe *wqe_list;
int i;
- mutex_init(&hr_qp->mutex);
- spin_lock_init(&hr_qp->sq.lock);
- spin_lock_init(&hr_qp->rq.lock);
+ /* allocate recv inline buf */
+ wqe_list = kcalloc(wqe_cnt, sizeof(struct hns_roce_rinl_wqe),
+ GFP_KERNEL);
- hr_qp->state = IB_QPS_RESET;
+ if (!wqe_list)
+ goto err;
- hr_qp->ibqp.qp_type = init_attr->qp_type;
+ /* Allocate a continuous buffer for all inline sge we need */
+ wqe_list[0].sg_list = kcalloc(wqe_cnt, (max_recv_sge *
+ sizeof(struct hns_roce_rinl_sge)),
+ GFP_KERNEL);
+ if (!wqe_list[0].sg_list)
+ goto err_wqe_list;
- if (init_attr->sq_sig_type == IB_SIGNAL_ALL_WR)
- hr_qp->sq_signal_bits = cpu_to_le32(IB_SIGNAL_ALL_WR);
- else
- hr_qp->sq_signal_bits = cpu_to_le32(IB_SIGNAL_REQ_WR);
+ /* Assign buffers of sg_list to each inline wqe */
+ for (i = 1; i < wqe_cnt; i++)
+ wqe_list[i].sg_list = &wqe_list[0].sg_list[i * max_recv_sge];
- ret = hns_roce_set_rq_size(hr_dev, &init_attr->cap, !!ib_pd->uobject,
- !!init_attr->srq, hr_qp);
- if (ret) {
- dev_err(dev, "hns_roce_set_rq_size failed\n");
- goto err_out;
- }
+ hr_qp->rq_inl_buf.wqe_list = wqe_list;
- if (hr_dev->caps.flags & HNS_ROCE_CAP_FLAG_RQ_INLINE) {
- /* allocate recv inline buf */
- hr_qp->rq_inl_buf.wqe_list = kcalloc(hr_qp->rq.wqe_cnt,
- sizeof(struct hns_roce_rinl_wqe),
- GFP_KERNEL);
- if (!hr_qp->rq_inl_buf.wqe_list) {
- ret = -ENOMEM;
- goto err_out;
- }
+ return 0;
- hr_qp->rq_inl_buf.wqe_cnt = hr_qp->rq.wqe_cnt;
+err_wqe_list:
+ kfree(wqe_list);
- /* Firstly, allocate a list of sge space buffer */
- hr_qp->rq_inl_buf.wqe_list[0].sg_list =
- kcalloc(hr_qp->rq_inl_buf.wqe_cnt,
- init_attr->cap.max_recv_sge *
- sizeof(struct hns_roce_rinl_sge),
- GFP_KERNEL);
- if (!hr_qp->rq_inl_buf.wqe_list[0].sg_list) {
- ret = -ENOMEM;
- goto err_wqe_list;
- }
+err:
+ return -ENOMEM;
+}
- for (i = 1; i < hr_qp->rq_inl_buf.wqe_cnt; i++)
- /* Secondly, reallocate the buffer */
- hr_qp->rq_inl_buf.wqe_list[i].sg_list =
- &hr_qp->rq_inl_buf.wqe_list[0].sg_list[i *
- init_attr->cap.max_recv_sge];
- }
+static void free_rq_inline_buf(struct hns_roce_qp *hr_qp)
+{
+ if (hr_qp->rq_inl_buf.wqe_list)
+ kfree(hr_qp->rq_inl_buf.wqe_list[0].sg_list);
+ kfree(hr_qp->rq_inl_buf.wqe_list);
+}
- if (ib_pd->uobject) {
- if (ib_copy_from_udata(&ucmd, udata, sizeof(ucmd))) {
- dev_err(dev, "ib_copy_from_udata error for create qp\n");
- ret = -EFAULT;
- goto err_rq_sge_list;
- }
+static int alloc_qp_buf(struct hns_roce_dev *hr_dev, struct hns_roce_qp *hr_qp,
+ struct ib_qp_init_attr *init_attr,
+ struct ib_udata *udata, unsigned long addr)
+{
+ struct ib_device *ibdev = &hr_dev->ib_dev;
+ struct hns_roce_buf_attr buf_attr = {};
+ int ret;
- ret = hns_roce_set_user_sq_size(hr_dev, &init_attr->cap, hr_qp,
- &ucmd);
+ if (!udata && hr_qp->rq_inl_buf.wqe_cnt) {
+ ret = alloc_rq_inline_buf(hr_qp, init_attr);
if (ret) {
- dev_err(dev, "hns_roce_set_user_sq_size error for create qp\n");
- goto err_rq_sge_list;
- }
-
- hr_qp->umem = ib_umem_get(ib_pd->uobject->context,
- ucmd.buf_addr, hr_qp->buff_size, 0,
- 0);
- if (IS_ERR(hr_qp->umem)) {
- dev_err(dev, "ib_umem_get error for create qp\n");
- ret = PTR_ERR(hr_qp->umem);
- goto err_rq_sge_list;
- }
-
- hr_qp->mtt.mtt_type = MTT_TYPE_WQE;
- if (hr_dev->caps.mtt_buf_pg_sz) {
- npages = (ib_umem_page_count(hr_qp->umem) +
- (1 << hr_dev->caps.mtt_buf_pg_sz) - 1) /
- (1 << hr_dev->caps.mtt_buf_pg_sz);
- page_shift = PAGE_SHIFT + hr_dev->caps.mtt_buf_pg_sz;
- ret = hns_roce_mtt_init(hr_dev, npages,
- page_shift,
- &hr_qp->mtt);
- } else {
- ret = hns_roce_mtt_init(hr_dev,
- ib_umem_page_count(hr_qp->umem),
- hr_qp->umem->page_shift,
- &hr_qp->mtt);
- }
- if (ret) {
- dev_err(dev, "hns_roce_mtt_init error for create qp\n");
- goto err_buf;
- }
-
- ret = hns_roce_ib_umem_write_mtt(hr_dev, &hr_qp->mtt,
- hr_qp->umem);
- if (ret) {
- dev_err(dev, "hns_roce_ib_umem_write_mtt error for create qp\n");
- goto err_mtt;
- }
-
- if ((hr_dev->caps.flags & HNS_ROCE_CAP_FLAG_SQ_RECORD_DB) &&
- (udata->inlen >= sizeof(ucmd)) &&
- (udata->outlen >= sizeof(resp)) &&
- hns_roce_qp_has_sq(init_attr)) {
- ret = hns_roce_db_map_user(
- to_hr_ucontext(ib_pd->uobject->context),
- ucmd.sdb_addr, &hr_qp->sdb);
- if (ret) {
- dev_err(dev, "sq record doorbell map failed!\n");
- goto err_mtt;
- }
-
- /* indicate kernel supports sq record db */
- resp.cap_flags |= HNS_ROCE_SUPPORT_SQ_RECORD_DB;
- hr_qp->sdb_en = 1;
- }
-
- if ((hr_dev->caps.flags & HNS_ROCE_CAP_FLAG_RECORD_DB) &&
- (udata->outlen >= sizeof(resp)) &&
- hns_roce_qp_has_rq(init_attr)) {
- ret = hns_roce_db_map_user(
- to_hr_ucontext(ib_pd->uobject->context),
- ucmd.db_addr, &hr_qp->rdb);
- if (ret) {
- dev_err(dev, "rq record doorbell map failed!\n");
- goto err_sq_dbmap;
- }
+ ibdev_err(ibdev,
+ "failed to alloc inline buf, ret = %d.\n",
+ ret);
+ return ret;
}
} else {
- if (init_attr->create_flags &
- IB_QP_CREATE_BLOCK_MULTICAST_LOOPBACK) {
- dev_err(dev, "init_attr->create_flags error!\n");
- ret = -EINVAL;
- goto err_rq_sge_list;
+ hr_qp->rq_inl_buf.wqe_list = NULL;
+ }
+
+ ret = set_wqe_buf_attr(hr_dev, hr_qp, &buf_attr);
+ if (ret) {
+ ibdev_err(ibdev, "failed to split WQE buf, ret = %d.\n", ret);
+ goto err_inline;
+ }
+ ret = hns_roce_mtr_create(hr_dev, &hr_qp->mtr, &buf_attr,
+ HNS_HW_PAGE_SHIFT + hr_dev->caps.mtt_ba_pg_sz,
+ udata, addr);
+ if (ret) {
+ ibdev_err(ibdev, "failed to create WQE mtr, ret = %d.\n", ret);
+ goto err_inline;
+ }
+
+ return 0;
+err_inline:
+ free_rq_inline_buf(hr_qp);
+
+ return ret;
+}
+
+static void free_qp_buf(struct hns_roce_dev *hr_dev, struct hns_roce_qp *hr_qp)
+{
+ hns_roce_mtr_destroy(hr_dev, &hr_qp->mtr);
+ free_rq_inline_buf(hr_qp);
+}
+
+static inline bool user_qp_has_sdb(struct hns_roce_dev *hr_dev,
+ struct ib_qp_init_attr *init_attr,
+ struct ib_udata *udata,
+ struct hns_roce_ib_create_qp_resp *resp,
+ struct hns_roce_ib_create_qp *ucmd)
+{
+ return ((hr_dev->caps.flags & HNS_ROCE_CAP_FLAG_SQ_RECORD_DB) &&
+ udata->outlen >= offsetofend(typeof(*resp), cap_flags) &&
+ hns_roce_qp_has_sq(init_attr) &&
+ udata->inlen >= offsetofend(typeof(*ucmd), sdb_addr));
+}
+
+static inline bool user_qp_has_rdb(struct hns_roce_dev *hr_dev,
+ struct ib_qp_init_attr *init_attr,
+ struct ib_udata *udata,
+ struct hns_roce_ib_create_qp_resp *resp)
+{
+ return ((hr_dev->caps.flags & HNS_ROCE_CAP_FLAG_RECORD_DB) &&
+ udata->outlen >= offsetofend(typeof(*resp), cap_flags) &&
+ hns_roce_qp_has_rq(init_attr));
+}
+
+static inline bool kernel_qp_has_rdb(struct hns_roce_dev *hr_dev,
+ struct ib_qp_init_attr *init_attr)
+{
+ return ((hr_dev->caps.flags & HNS_ROCE_CAP_FLAG_RECORD_DB) &&
+ hns_roce_qp_has_rq(init_attr));
+}
+
+static int alloc_qp_db(struct hns_roce_dev *hr_dev, struct hns_roce_qp *hr_qp,
+ struct ib_qp_init_attr *init_attr,
+ struct ib_udata *udata,
+ struct hns_roce_ib_create_qp *ucmd,
+ struct hns_roce_ib_create_qp_resp *resp)
+{
+ struct hns_roce_ucontext *uctx = rdma_udata_to_drv_context(
+ udata, struct hns_roce_ucontext, ibucontext);
+ struct ib_device *ibdev = &hr_dev->ib_dev;
+ int ret;
+
+ if (udata) {
+ if (user_qp_has_sdb(hr_dev, init_attr, udata, resp, ucmd)) {
+ ret = hns_roce_db_map_user(uctx, udata, ucmd->sdb_addr,
+ &hr_qp->sdb);
+ if (ret) {
+ ibdev_err(ibdev,
+ "failed to map user SQ doorbell, ret = %d.\n",
+ ret);
+ goto err_out;
+ }
+ hr_qp->en_flags |= HNS_ROCE_QP_CAP_SQ_RECORD_DB;
}
- if (init_attr->create_flags & IB_QP_CREATE_IPOIB_UD_LSO) {
- dev_err(dev, "init_attr->create_flags error!\n");
- ret = -EINVAL;
- goto err_rq_sge_list;
+ if (user_qp_has_rdb(hr_dev, init_attr, udata, resp)) {
+ ret = hns_roce_db_map_user(uctx, udata, ucmd->db_addr,
+ &hr_qp->rdb);
+ if (ret) {
+ ibdev_err(ibdev,
+ "failed to map user RQ doorbell, ret = %d.\n",
+ ret);
+ goto err_sdb;
+ }
+ hr_qp->en_flags |= HNS_ROCE_QP_CAP_RQ_RECORD_DB;
}
-
- /* Set SQ size */
- ret = hns_roce_set_kernel_sq_size(hr_dev, &init_attr->cap,
- hr_qp);
- if (ret) {
- dev_err(dev, "hns_roce_set_kernel_sq_size error!\n");
- goto err_rq_sge_list;
- }
-
+ } else {
/* QP doorbell register address */
hr_qp->sq.db_reg_l = hr_dev->reg_base + hr_dev->sdb_offset +
DB_REG_OFFSET * hr_dev->priv_uar.index;
hr_qp->rq.db_reg_l = hr_dev->reg_base + hr_dev->odb_offset +
DB_REG_OFFSET * hr_dev->priv_uar.index;
- if ((hr_dev->caps.flags & HNS_ROCE_CAP_FLAG_RECORD_DB) &&
- hns_roce_qp_has_rq(init_attr)) {
+ if (kernel_qp_has_rdb(hr_dev, init_attr)) {
ret = hns_roce_alloc_db(hr_dev, &hr_qp->rdb, 0);
if (ret) {
- dev_err(dev, "rq record doorbell alloc failed!\n");
- goto err_rq_sge_list;
+ ibdev_err(ibdev,
+ "failed to alloc kernel RQ doorbell, ret = %d.\n",
+ ret);
+ goto err_out;
}
*hr_qp->rdb.db_record = 0;
- hr_qp->rdb_en = 1;
- }
-
- /* Allocate QP buf */
- page_shift = PAGE_SHIFT + hr_dev->caps.mtt_buf_pg_sz;
- if (hns_roce_buf_alloc(hr_dev, hr_qp->buff_size,
- (1 << page_shift) * 2,
- &hr_qp->hr_buf, page_shift)) {
- dev_err(dev, "hns_roce_buf_alloc error!\n");
- ret = -ENOMEM;
- goto err_db;
- }
-
- hr_qp->mtt.mtt_type = MTT_TYPE_WQE;
- /* Write MTT */
- ret = hns_roce_mtt_init(hr_dev, hr_qp->hr_buf.npages,
- hr_qp->hr_buf.page_shift, &hr_qp->mtt);
- if (ret) {
- dev_err(dev, "hns_roce_mtt_init error for kernel create qp\n");
- goto err_buf;
- }
-
- ret = hns_roce_buf_write_mtt(hr_dev, &hr_qp->mtt,
- &hr_qp->hr_buf);
- if (ret) {
- dev_err(dev, "hns_roce_buf_write_mtt error for kernel create qp\n");
- goto err_mtt;
- }
-
- hr_qp->sq.wrid = kmalloc_array(hr_qp->sq.wqe_cnt, sizeof(u64),
- GFP_KERNEL);
- hr_qp->rq.wrid = kmalloc_array(hr_qp->rq.wqe_cnt, sizeof(u64),
- GFP_KERNEL);
- if (!hr_qp->sq.wrid || !hr_qp->rq.wrid) {
- ret = -ENOMEM;
- goto err_wrid;
+ hr_qp->en_flags |= HNS_ROCE_QP_CAP_RQ_RECORD_DB;
}
}
- if (sqpn) {
- qpn = sqpn;
+ return 0;
+err_sdb:
+ if (udata && hr_qp->en_flags & HNS_ROCE_QP_CAP_SQ_RECORD_DB)
+ hns_roce_db_unmap_user(uctx, &hr_qp->sdb);
+err_out:
+ return ret;
+}
+
+static void free_qp_db(struct hns_roce_dev *hr_dev, struct hns_roce_qp *hr_qp,
+ struct ib_udata *udata)
+{
+ struct hns_roce_ucontext *uctx = rdma_udata_to_drv_context(
+ udata, struct hns_roce_ucontext, ibucontext);
+
+ if (udata) {
+ if (hr_qp->en_flags & HNS_ROCE_QP_CAP_RQ_RECORD_DB)
+ hns_roce_db_unmap_user(uctx, &hr_qp->rdb);
+ if (hr_qp->en_flags & HNS_ROCE_QP_CAP_SQ_RECORD_DB)
+ hns_roce_db_unmap_user(uctx, &hr_qp->sdb);
} else {
- /* Get QPN */
- ret = hns_roce_reserve_range_qp(hr_dev, 1, 1, &qpn);
- if (ret) {
- dev_err(dev, "hns_roce_reserve_range_qp alloc qpn error\n");
- goto err_wrid;
+ if (hr_qp->en_flags & HNS_ROCE_QP_CAP_RQ_RECORD_DB)
+ hns_roce_free_db(hr_dev, &hr_qp->rdb);
+ }
+}
+
+static int alloc_kernel_wrid(struct hns_roce_dev *hr_dev,
+ struct hns_roce_qp *hr_qp)
+{
+ struct ib_device *ibdev = &hr_dev->ib_dev;
+ u64 *sq_wrid = NULL;
+ u64 *rq_wrid = NULL;
+ int ret;
+
+ sq_wrid = kcalloc(hr_qp->sq.wqe_cnt, sizeof(u64), GFP_KERNEL);
+ if (ZERO_OR_NULL_PTR(sq_wrid)) {
+ ibdev_err(ibdev, "failed to alloc SQ wrid.\n");
+ return -ENOMEM;
+ }
+
+ if (hr_qp->rq.wqe_cnt) {
+ rq_wrid = kcalloc(hr_qp->rq.wqe_cnt, sizeof(u64), GFP_KERNEL);
+ if (ZERO_OR_NULL_PTR(rq_wrid)) {
+ ibdev_err(ibdev, "failed to alloc RQ wrid.\n");
+ ret = -ENOMEM;
+ goto err_sq;
}
}
- if (init_attr->qp_type == IB_QPT_GSI &&
- hr_dev->hw_rev == HNS_ROCE_HW_VER1) {
- /* In v1 engine, GSI QP context in RoCE engine's register */
- ret = hns_roce_gsi_qp_alloc(hr_dev, qpn, hr_qp);
- if (ret) {
- dev_err(dev, "hns_roce_qp_alloc failed!\n");
- goto err_qpn;
- }
- } else {
- ret = hns_roce_qp_alloc(hr_dev, qpn, hr_qp);
- if (ret) {
- dev_err(dev, "hns_roce_qp_alloc failed!\n");
- goto err_qpn;
- }
- }
+ hr_qp->sq.wrid = sq_wrid;
+ hr_qp->rq.wrid = rq_wrid;
+ return 0;
+err_sq:
+ kfree(sq_wrid);
- if (sqpn)
- hr_qp->doorbell_qpn = 1;
+ return ret;
+}
+
+static void free_kernel_wrid(struct hns_roce_qp *hr_qp)
+{
+ kfree(hr_qp->rq.wrid);
+ kfree(hr_qp->sq.wrid);
+}
+
+static int set_qp_param(struct hns_roce_dev *hr_dev, struct hns_roce_qp *hr_qp,
+ struct ib_qp_init_attr *init_attr,
+ struct ib_udata *udata,
+ struct hns_roce_ib_create_qp *ucmd)
+{
+ struct ib_device *ibdev = &hr_dev->ib_dev;
+ int ret;
+
+ hr_qp->ibqp.qp_type = init_attr->qp_type;
+
+ if (init_attr->cap.max_inline_data > hr_dev->caps.max_sq_inline)
+ init_attr->cap.max_inline_data = hr_dev->caps.max_sq_inline;
+
+ hr_qp->max_inline_data = init_attr->cap.max_inline_data;
+
+ if (init_attr->sq_sig_type == IB_SIGNAL_ALL_WR)
+ hr_qp->sq_signal_bits = IB_SIGNAL_ALL_WR;
else
- hr_qp->doorbell_qpn = cpu_to_le64(hr_qp->qpn);
+ hr_qp->sq_signal_bits = IB_SIGNAL_REQ_WR;
- if (ib_pd->uobject && (udata->outlen >= sizeof(resp)) &&
- (hr_dev->caps.flags & HNS_ROCE_CAP_FLAG_RECORD_DB)) {
-
- /* indicate kernel supports rq record db */
- resp.cap_flags |= HNS_ROCE_SUPPORT_RQ_RECORD_DB;
- ret = ib_copy_to_udata(udata, &resp, sizeof(resp));
- if (ret)
- goto err_qp;
-
- hr_qp->rdb_en = 1;
+ ret = set_rq_size(hr_dev, &init_attr->cap, hr_qp,
+ hns_roce_qp_has_rq(init_attr));
+ if (ret) {
+ ibdev_err(ibdev, "failed to set user RQ size, ret = %d.\n",
+ ret);
+ return ret;
}
+
+ if (udata) {
+ ret = ib_copy_from_udata(ucmd, udata,
+ min(udata->inlen, sizeof(*ucmd)));
+ if (ret) {
+ ibdev_err(ibdev,
+ "failed to copy QP ucmd, ret = %d\n", ret);
+ return ret;
+ }
+
+ ret = set_user_sq_size(hr_dev, &init_attr->cap, hr_qp, ucmd);
+ if (ret)
+ ibdev_err(ibdev,
+ "failed to set user SQ size, ret = %d.\n",
+ ret);
+ } else {
+ if (init_attr->create_flags &
+ IB_QP_CREATE_BLOCK_MULTICAST_LOOPBACK) {
+ ibdev_err(ibdev, "Failed to check multicast loopback\n");
+ return -EINVAL;
+ }
+
+ if (init_attr->create_flags & IB_QP_CREATE_IPOIB_UD_LSO) {
+ ibdev_err(ibdev, "Failed to check ipoib ud lso\n");
+ return -EINVAL;
+ }
+
+ ret = set_kernel_sq_size(hr_dev, &init_attr->cap, hr_qp);
+ if (ret)
+ ibdev_err(ibdev,
+ "failed to set kernel SQ size, ret = %d.\n",
+ ret);
+ }
+
+ return ret;
+}
+
+static int hns_roce_create_qp_common(struct hns_roce_dev *hr_dev,
+ struct ib_pd *ib_pd,
+ struct ib_qp_init_attr *init_attr,
+ struct ib_udata *udata,
+ struct hns_roce_qp *hr_qp)
+{
+ struct hns_roce_ib_create_qp_resp resp = {};
+ struct ib_device *ibdev = &hr_dev->ib_dev;
+ struct hns_roce_ib_create_qp ucmd;
+ int ret;
+
+ mutex_init(&hr_qp->mutex);
+ spin_lock_init(&hr_qp->sq.lock);
+ spin_lock_init(&hr_qp->rq.lock);
+
+ hr_qp->state = IB_QPS_RESET;
+ hr_qp->flush_flag = 0;
+
+ ret = set_qp_param(hr_dev, hr_qp, init_attr, udata, &ucmd);
+ if (ret) {
+ ibdev_err(ibdev, "failed to set QP param, ret = %d.\n", ret);
+ return ret;
+ }
+
+ if (!udata) {
+ ret = alloc_kernel_wrid(hr_dev, hr_qp);
+ if (ret) {
+ ibdev_err(ibdev, "failed to alloc wrid, ret = %d.\n",
+ ret);
+ return ret;
+ }
+ }
+
+ ret = alloc_qp_db(hr_dev, hr_qp, init_attr, udata, &ucmd, &resp);
+ if (ret) {
+ ibdev_err(ibdev, "failed to alloc QP doorbell, ret = %d.\n",
+ ret);
+ goto err_wrid;
+ }
+
+ ret = alloc_qp_buf(hr_dev, hr_qp, init_attr, udata, ucmd.buf_addr);
+ if (ret) {
+ ibdev_err(ibdev, "failed to alloc QP buffer, ret = %d.\n", ret);
+ goto err_db;
+ }
+
+ ret = alloc_qpn(hr_dev, hr_qp);
+ if (ret) {
+ ibdev_err(ibdev, "failed to alloc QPN, ret = %d.\n", ret);
+ goto err_buf;
+ }
+
+ ret = alloc_qpc(hr_dev, hr_qp);
+ if (ret) {
+ ibdev_err(ibdev, "failed to alloc QP context, ret = %d.\n",
+ ret);
+ goto err_qpn;
+ }
+
+ ret = hns_roce_qp_store(hr_dev, hr_qp, init_attr);
+ if (ret) {
+ ibdev_err(ibdev, "failed to store QP, ret = %d.\n", ret);
+ goto err_qpc;
+ }
+
+ if (udata) {
+ resp.cap_flags = hr_qp->en_flags;
+ ret = ib_copy_to_udata(udata, &resp,
+ min(udata->outlen, sizeof(resp)));
+ if (ret) {
+ ibdev_err(ibdev, "copy qp resp failed!\n");
+ goto err_store;
+ }
+ }
+
+ if (hr_dev->caps.flags & HNS_ROCE_CAP_FLAG_QP_FLOW_CTRL) {
+ ret = hr_dev->hw->qp_flow_control_init(hr_dev, hr_qp);
+ if (ret)
+ goto err_store;
+ }
+
+ hr_qp->ibqp.qp_num = hr_qp->qpn;
hr_qp->event = hns_roce_ib_qp_event;
+ atomic_set(&hr_qp->refcount, 1);
+ init_completion(&hr_qp->free);
return 0;
-err_qp:
- if (init_attr->qp_type == IB_QPT_GSI &&
- hr_dev->hw_rev == HNS_ROCE_HW_VER1)
- hns_roce_qp_remove(hr_dev, hr_qp);
- else
- hns_roce_qp_free(hr_dev, hr_qp);
-
+err_store:
+ hns_roce_qp_remove(hr_dev, hr_qp);
+err_qpc:
+ free_qpc(hr_dev, hr_qp);
err_qpn:
- if (!sqpn)
- hns_roce_release_range_qp(hr_dev, qpn, 1);
-
-err_wrid:
- if (ib_pd->uobject) {
- if ((hr_dev->caps.flags & HNS_ROCE_CAP_FLAG_RECORD_DB) &&
- (udata->outlen >= sizeof(resp)) &&
- hns_roce_qp_has_rq(init_attr))
- hns_roce_db_unmap_user(
- to_hr_ucontext(ib_pd->uobject->context),
- &hr_qp->rdb);
- } else {
- kfree(hr_qp->sq.wrid);
- kfree(hr_qp->rq.wrid);
- }
-
-err_sq_dbmap:
- if (ib_pd->uobject)
- if ((hr_dev->caps.flags & HNS_ROCE_CAP_FLAG_SQ_RECORD_DB) &&
- (udata->inlen >= sizeof(ucmd)) &&
- (udata->outlen >= sizeof(resp)) &&
- hns_roce_qp_has_sq(init_attr))
- hns_roce_db_unmap_user(
- to_hr_ucontext(ib_pd->uobject->context),
- &hr_qp->sdb);
-
-err_mtt:
- hns_roce_mtt_cleanup(hr_dev, &hr_qp->mtt);
-
+ free_qpn(hr_dev, hr_qp);
err_buf:
- if (ib_pd->uobject)
- ib_umem_release(hr_qp->umem);
- else
- hns_roce_buf_free(hr_dev, hr_qp->buff_size, &hr_qp->hr_buf);
-
+ free_qp_buf(hr_dev, hr_qp);
err_db:
- if (!ib_pd->uobject && hns_roce_qp_has_rq(init_attr) &&
- (hr_dev->caps.flags & HNS_ROCE_CAP_FLAG_RECORD_DB))
- hns_roce_free_db(hr_dev, &hr_qp->rdb);
-
-err_rq_sge_list:
- if (hr_dev->caps.flags & HNS_ROCE_CAP_FLAG_RQ_INLINE)
- kfree(hr_qp->rq_inl_buf.wqe_list[0].sg_list);
-
-err_wqe_list:
- if (hr_dev->caps.flags & HNS_ROCE_CAP_FLAG_RQ_INLINE)
- kfree(hr_qp->rq_inl_buf.wqe_list);
-
-err_out:
+ free_qp_db(hr_dev, hr_qp, udata);
+err_wrid:
+ free_kernel_wrid(hr_qp);
return ret;
+}
+
+void hns_roce_qp_destroy(struct hns_roce_dev *hr_dev, struct hns_roce_qp *hr_qp,
+ struct ib_udata *udata)
+{
+ if (atomic_dec_and_test(&hr_qp->refcount))
+ complete(&hr_qp->free);
+ wait_for_completion(&hr_qp->free);
+
+ free_qpc(hr_dev, hr_qp);
+ free_qpn(hr_dev, hr_qp);
+ free_qp_buf(hr_dev, hr_qp);
+ free_kernel_wrid(hr_qp);
+ free_qp_db(hr_dev, hr_qp, udata);
+
+ kfree(hr_qp);
}
struct ib_qp *hns_roce_create_qp(struct ib_pd *pd,
@@ -858,70 +1022,39 @@
struct ib_udata *udata)
{
struct hns_roce_dev *hr_dev = to_hr_dev(pd->device);
- struct device *dev = hr_dev->dev;
- struct hns_roce_sqp *hr_sqp;
+ struct ib_device *ibdev = &hr_dev->ib_dev;
struct hns_roce_qp *hr_qp;
int ret;
switch (init_attr->qp_type) {
- case IB_QPT_RC: {
- hr_qp = kzalloc(sizeof(*hr_qp), GFP_KERNEL);
- if (!hr_qp)
- return ERR_PTR(-ENOMEM);
-
- ret = hns_roce_create_qp_common(hr_dev, pd, init_attr, udata, 0,
- hr_qp);
- if (ret) {
- dev_err(dev, "Create RC QP failed\n");
- kfree(hr_qp);
- return ERR_PTR(ret);
- }
-
- hr_qp->ibqp.qp_num = hr_qp->qpn;
-
+ case IB_QPT_RC:
+ case IB_QPT_GSI:
break;
+ default:
+ ibdev_err(ibdev, "not support QP type %d\n",
+ init_attr->qp_type);
+ return ERR_PTR(-EOPNOTSUPP);
}
- case IB_QPT_GSI: {
- /* Userspace is not allowed to create special QPs: */
- if (pd->uobject) {
- dev_err(dev, "not support usr space GSI\n");
- return ERR_PTR(-EINVAL);
- }
- hr_sqp = kzalloc(sizeof(*hr_sqp), GFP_KERNEL);
- if (!hr_sqp)
- return ERR_PTR(-ENOMEM);
+ hr_qp = kzalloc(sizeof(*hr_qp), GFP_KERNEL);
+ if (!hr_qp)
+ return ERR_PTR(-ENOMEM);
- hr_qp = &hr_sqp->hr_qp;
+ if (init_attr->qp_type == IB_QPT_GSI) {
hr_qp->port = init_attr->port_num - 1;
hr_qp->phy_port = hr_dev->iboe.phy_port[hr_qp->port];
-
- /* when hw version is v1, the sqpn is allocated */
- if (hr_dev->caps.max_sq_sg <= 2)
- hr_qp->ibqp.qp_num = HNS_ROCE_MAX_PORTS +
- hr_dev->iboe.phy_port[hr_qp->port];
- else
- hr_qp->ibqp.qp_num = 1;
-
- ret = hns_roce_create_qp_common(hr_dev, pd, init_attr, udata,
- hr_qp->ibqp.qp_num, hr_qp);
- if (ret) {
- dev_err(dev, "Create GSI QP failed!\n");
- kfree(hr_sqp);
- return ERR_PTR(ret);
- }
-
- break;
- }
- default:{
- dev_err(dev, "not support QP type %d\n", init_attr->qp_type);
- return ERR_PTR(-EINVAL);
- }
}
+ ret = hns_roce_create_qp_common(hr_dev, pd, init_attr, udata, hr_qp);
+ if (ret) {
+ ibdev_err(ibdev, "Create QP type 0x%x failed(%d)\n",
+ init_attr->qp_type, ret);
+ ibdev_err(ibdev, "Create GSI QP failed!\n");
+ kfree(hr_qp);
+ return ERR_PTR(ret);
+ }
return &hr_qp->ibqp;
}
-EXPORT_SYMBOL_GPL(hns_roce_create_qp);
int to_hr_qp_type(int qp_type)
{
@@ -940,7 +1073,74 @@
return transport_type;
}
-EXPORT_SYMBOL_GPL(to_hr_qp_type);
+
+static int check_mtu_validate(struct hns_roce_dev *hr_dev,
+ struct hns_roce_qp *hr_qp,
+ struct ib_qp_attr *attr, int attr_mask)
+{
+ enum ib_mtu active_mtu;
+ int p;
+
+ p = attr_mask & IB_QP_PORT ? (attr->port_num - 1) : hr_qp->port;
+ active_mtu = iboe_get_mtu(hr_dev->iboe.netdevs[p]->mtu);
+
+ if ((hr_dev->caps.max_mtu >= IB_MTU_2048 &&
+ attr->path_mtu > hr_dev->caps.max_mtu) ||
+ attr->path_mtu < IB_MTU_256 || attr->path_mtu > active_mtu) {
+ ibdev_err(&hr_dev->ib_dev,
+ "attr path_mtu(%d)invalid while modify qp",
+ attr->path_mtu);
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static int hns_roce_check_qp_attr(struct ib_qp *ibqp, struct ib_qp_attr *attr,
+ int attr_mask)
+{
+ struct hns_roce_dev *hr_dev = to_hr_dev(ibqp->device);
+ struct hns_roce_qp *hr_qp = to_hr_qp(ibqp);
+ int p;
+
+ if ((attr_mask & IB_QP_PORT) &&
+ (attr->port_num == 0 || attr->port_num > hr_dev->caps.num_ports)) {
+ ibdev_err(&hr_dev->ib_dev, "invalid attr, port_num = %u.\n",
+ attr->port_num);
+ return -EINVAL;
+ }
+
+ if (attr_mask & IB_QP_PKEY_INDEX) {
+ p = attr_mask & IB_QP_PORT ? (attr->port_num - 1) : hr_qp->port;
+ if (attr->pkey_index >= hr_dev->caps.pkey_table_len[p]) {
+ ibdev_err(&hr_dev->ib_dev,
+ "invalid attr, pkey_index = %u.\n",
+ attr->pkey_index);
+ return -EINVAL;
+ }
+ }
+
+ if (attr_mask & IB_QP_MAX_QP_RD_ATOMIC &&
+ attr->max_rd_atomic > hr_dev->caps.max_qp_init_rdma) {
+ ibdev_err(&hr_dev->ib_dev,
+ "invalid attr, max_rd_atomic = %u.\n",
+ attr->max_rd_atomic);
+ return -EINVAL;
+ }
+
+ if (attr_mask & IB_QP_MAX_DEST_RD_ATOMIC &&
+ attr->max_dest_rd_atomic > hr_dev->caps.max_qp_dest_rdma) {
+ ibdev_err(&hr_dev->ib_dev,
+ "invalid attr, max_dest_rd_atomic = %u.\n",
+ attr->max_dest_rd_atomic);
+ return -EINVAL;
+ }
+
+ if (attr_mask & IB_QP_PATH_MTU)
+ return check_mtu_validate(hr_dev, hr_qp, attr, attr_mask);
+
+ return 0;
+}
int hns_roce_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr,
int attr_mask, struct ib_udata *udata)
@@ -948,86 +1148,45 @@
struct hns_roce_dev *hr_dev = to_hr_dev(ibqp->device);
struct hns_roce_qp *hr_qp = to_hr_qp(ibqp);
enum ib_qp_state cur_state, new_state;
- struct device *dev = hr_dev->dev;
int ret = -EINVAL;
- int p;
- enum ib_mtu active_mtu;
mutex_lock(&hr_qp->mutex);
- cur_state = attr_mask & IB_QP_CUR_STATE ?
- attr->cur_qp_state : (enum ib_qp_state)hr_qp->state;
- new_state = attr_mask & IB_QP_STATE ?
- attr->qp_state : cur_state;
+ if (attr_mask & IB_QP_CUR_STATE && attr->cur_qp_state != hr_qp->state)
+ goto out;
+
+ cur_state = hr_qp->state;
+ new_state = attr_mask & IB_QP_STATE ? attr->qp_state : cur_state;
if (ibqp->uobject &&
(attr_mask & IB_QP_STATE) && new_state == IB_QPS_ERR) {
- if (hr_qp->sdb_en == 1) {
+ if (hr_qp->en_flags & HNS_ROCE_QP_CAP_SQ_RECORD_DB) {
hr_qp->sq.head = *(int *)(hr_qp->sdb.virt_addr);
- hr_qp->rq.head = *(int *)(hr_qp->rdb.virt_addr);
+
+ if (hr_qp->en_flags & HNS_ROCE_QP_CAP_RQ_RECORD_DB)
+ hr_qp->rq.head = *(int *)(hr_qp->rdb.virt_addr);
} else {
- dev_warn(dev, "flush cqe is not supported in userspace!\n");
+ ibdev_warn(&hr_dev->ib_dev,
+ "flush cqe is not supported in userspace!\n");
goto out;
}
}
- if (!ib_modify_qp_is_ok(cur_state, new_state, ibqp->qp_type, attr_mask,
- IB_LINK_LAYER_ETHERNET)) {
- dev_err(dev, "ib_modify_qp_is_ok failed\n");
+ if (!ib_modify_qp_is_ok(cur_state, new_state, ibqp->qp_type,
+ attr_mask)) {
+ ibdev_err(&hr_dev->ib_dev, "ib_modify_qp_is_ok failed\n");
goto out;
}
- if ((attr_mask & IB_QP_PORT) &&
- (attr->port_num == 0 || attr->port_num > hr_dev->caps.num_ports)) {
- dev_err(dev, "attr port_num invalid.attr->port_num=%d\n",
- attr->port_num);
+ ret = hns_roce_check_qp_attr(ibqp, attr, attr_mask);
+ if (ret)
goto out;
- }
-
- if (attr_mask & IB_QP_PKEY_INDEX) {
- p = attr_mask & IB_QP_PORT ? (attr->port_num - 1) : hr_qp->port;
- if (attr->pkey_index >= hr_dev->caps.pkey_table_len[p]) {
- dev_err(dev, "attr pkey_index invalid.attr->pkey_index=%d\n",
- attr->pkey_index);
- goto out;
- }
- }
-
- if (attr_mask & IB_QP_PATH_MTU) {
- p = attr_mask & IB_QP_PORT ? (attr->port_num - 1) : hr_qp->port;
- active_mtu = iboe_get_mtu(hr_dev->iboe.netdevs[p]->mtu);
-
- if ((hr_dev->caps.max_mtu == IB_MTU_4096 &&
- attr->path_mtu > IB_MTU_4096) ||
- (hr_dev->caps.max_mtu == IB_MTU_2048 &&
- attr->path_mtu > IB_MTU_2048) ||
- attr->path_mtu < IB_MTU_256 ||
- attr->path_mtu > active_mtu) {
- dev_err(dev, "attr path_mtu(%d)invalid while modify qp",
- attr->path_mtu);
- goto out;
- }
- }
-
- if (attr_mask & IB_QP_MAX_QP_RD_ATOMIC &&
- attr->max_rd_atomic > hr_dev->caps.max_qp_init_rdma) {
- dev_err(dev, "attr max_rd_atomic invalid.attr->max_rd_atomic=%d\n",
- attr->max_rd_atomic);
- goto out;
- }
-
- if (attr_mask & IB_QP_MAX_DEST_RD_ATOMIC &&
- attr->max_dest_rd_atomic > hr_dev->caps.max_qp_dest_rdma) {
- dev_err(dev, "attr max_dest_rd_atomic invalid.attr->max_dest_rd_atomic=%d\n",
- attr->max_dest_rd_atomic);
- goto out;
- }
if (cur_state == new_state && cur_state == IB_QPS_RESET) {
- if (hr_dev->caps.min_wqes) {
+ if (hr_dev->hw_rev == HNS_ROCE_HW_VER1) {
ret = -EPERM;
- dev_err(dev, "cur_state=%d new_state=%d\n", cur_state,
- new_state);
+ ibdev_err(&hr_dev->ib_dev,
+ "RST2RST state is not supported\n");
} else {
ret = 0;
}
@@ -1047,7 +1206,16 @@
void hns_roce_lock_cqs(struct hns_roce_cq *send_cq, struct hns_roce_cq *recv_cq)
__acquires(&send_cq->lock) __acquires(&recv_cq->lock)
{
- if (send_cq == recv_cq) {
+ if (unlikely(send_cq == NULL && recv_cq == NULL)) {
+ __acquire(&send_cq->lock);
+ __acquire(&recv_cq->lock);
+ } else if (unlikely(send_cq != NULL && recv_cq == NULL)) {
+ spin_lock_irq(&send_cq->lock);
+ __acquire(&recv_cq->lock);
+ } else if (unlikely(send_cq == NULL && recv_cq != NULL)) {
+ spin_lock_irq(&recv_cq->lock);
+ __acquire(&send_cq->lock);
+ } else if (send_cq == recv_cq) {
spin_lock_irq(&send_cq->lock);
__acquire(&recv_cq->lock);
} else if (send_cq->cqn < recv_cq->cqn) {
@@ -1058,13 +1226,21 @@
spin_lock_nested(&send_cq->lock, SINGLE_DEPTH_NESTING);
}
}
-EXPORT_SYMBOL_GPL(hns_roce_lock_cqs);
void hns_roce_unlock_cqs(struct hns_roce_cq *send_cq,
struct hns_roce_cq *recv_cq) __releases(&send_cq->lock)
__releases(&recv_cq->lock)
{
- if (send_cq == recv_cq) {
+ if (unlikely(send_cq == NULL && recv_cq == NULL)) {
+ __release(&recv_cq->lock);
+ __release(&send_cq->lock);
+ } else if (unlikely(send_cq != NULL && recv_cq == NULL)) {
+ __release(&recv_cq->lock);
+ spin_unlock(&send_cq->lock);
+ } else if (unlikely(send_cq == NULL && recv_cq != NULL)) {
+ __release(&send_cq->lock);
+ spin_unlock(&recv_cq->lock);
+ } else if (send_cq == recv_cq) {
__release(&recv_cq->lock);
spin_unlock_irq(&send_cq->lock);
} else if (send_cq->cqn < recv_cq->cqn) {
@@ -1075,32 +1251,26 @@
spin_unlock_irq(&recv_cq->lock);
}
}
-EXPORT_SYMBOL_GPL(hns_roce_unlock_cqs);
-static void *get_wqe(struct hns_roce_qp *hr_qp, int offset)
+static inline void *get_wqe(struct hns_roce_qp *hr_qp, int offset)
{
-
- return hns_roce_buf_offset(&hr_qp->hr_buf, offset);
+ return hns_roce_buf_offset(hr_qp->mtr.kmem, offset);
}
-void *get_recv_wqe(struct hns_roce_qp *hr_qp, int n)
+void *hns_roce_get_recv_wqe(struct hns_roce_qp *hr_qp, int n)
{
return get_wqe(hr_qp, hr_qp->rq.offset + (n << hr_qp->rq.wqe_shift));
}
-EXPORT_SYMBOL_GPL(get_recv_wqe);
-void *get_send_wqe(struct hns_roce_qp *hr_qp, int n)
+void *hns_roce_get_send_wqe(struct hns_roce_qp *hr_qp, int n)
{
return get_wqe(hr_qp, hr_qp->sq.offset + (n << hr_qp->sq.wqe_shift));
}
-EXPORT_SYMBOL_GPL(get_send_wqe);
-void *get_send_extend_sge(struct hns_roce_qp *hr_qp, int n)
+void *hns_roce_get_extend_sge(struct hns_roce_qp *hr_qp, int n)
{
- return hns_roce_buf_offset(&hr_qp->hr_buf, hr_qp->sge.offset +
- (n << hr_qp->sge.sge_shift));
+ return get_wqe(hr_qp, hr_qp->sge.offset + (n << hr_qp->sge.sge_shift));
}
-EXPORT_SYMBOL_GPL(get_send_extend_sge);
bool hns_roce_wq_overflow(struct hns_roce_wq *hr_wq, int nreq,
struct ib_cq *ib_cq)
@@ -1109,7 +1279,7 @@
u32 cur;
cur = hr_wq->head - hr_wq->tail;
- if (likely(cur + nreq < hr_wq->max_post))
+ if (likely(cur + nreq < hr_wq->wqe_cnt))
return false;
hr_cq = to_hr_cq(ib_cq);
@@ -1117,9 +1287,8 @@
cur = hr_wq->head - hr_wq->tail;
spin_unlock(&hr_cq->lock);
- return cur + nreq >= hr_wq->max_post;
+ return cur + nreq >= hr_wq->wqe_cnt;
}
-EXPORT_SYMBOL_GPL(hns_roce_wq_overflow);
int hns_roce_init_qp_table(struct hns_roce_dev *hr_dev)
{
@@ -1128,14 +1297,10 @@
int reserved_from_bot;
int ret;
- spin_lock_init(&qp_table->lock);
- INIT_RADIX_TREE(&hr_dev->qp_table_tree, GFP_ATOMIC);
+ mutex_init(&qp_table->scc_mutex);
+ xa_init(&hr_dev->qp_table_xa);
- /* In hw v1, a port include two SQP, six ports total 12 */
- if (hr_dev->caps.max_sq_sg <= 2)
- reserved_from_bot = SQP_NUM;
- else
- reserved_from_bot = hr_dev->caps.reserved_qps;
+ reserved_from_bot = hr_dev->caps.reserved_qps;
ret = hns_roce_bitmap_init(&qp_table->bitmap, hr_dev->caps.num_qps,
hr_dev->caps.num_qps - 1, reserved_from_bot,
--
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