From: Lijun Ou <oulijun@huawei.com>
To: <dledford@redhat.com>, <sean.hefty@intel.com>,
<hal.rosenstock@gmail.com>, <davem@davemloft.net>,
<jeffrey.t.kirsher@intel.com>, <jiri@mellanox.com>,
<ogerlitz@mellanox.com>
Cc: <linux-rdma@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
<netdev@vger.kernel.org>, <gongyangming@huawei.com>,
<xiaokun@huawei.com>, <tangchaofei@huawei.com>,
<oulijun@huawei.com>, <haifeng.wei@huawei.com>,
<yisen.zhuang@huawei.com>, <yankejian@huawei.com>,
<charles.chenxin@huawei.com>, <linuxarm@huawei.com>
Subject: [PATCH v9 15/22] IB/hns: Add PD operations support
Date: Wed, 1 Jun 2016 23:37:57 +0800 [thread overview]
Message-ID: <1464795484-77395-16-git-send-email-oulijun@huawei.com> (raw)
In-Reply-To: <1464795484-77395-1-git-send-email-oulijun@huawei.com>
This patch added the verbs to operate PD. It mainly includes
the functions of allocating PD and deallocating PD.
Signed-off-by: Wei Hu <xavier.huwei@huawei.com>
Signed-off-by: Nenglong Zhao <zhaonenglong@hisilicon.com>
Signed-off-by: Lijun Ou <oulijun@huawei.com>
---
drivers/infiniband/hw/hns/hns_roce_device.h | 17 ++++++++
drivers/infiniband/hw/hns/hns_roce_main.c | 8 +++-
drivers/infiniband/hw/hns/hns_roce_pd.c | 62 +++++++++++++++++++++++++++++
3 files changed, 86 insertions(+), 1 deletion(-)
diff --git a/drivers/infiniband/hw/hns/hns_roce_device.h b/drivers/infiniband/hw/hns/hns_roce_device.h
index 99f2653..36fd4f3 100644
--- a/drivers/infiniband/hw/hns/hns_roce_device.h
+++ b/drivers/infiniband/hw/hns/hns_roce_device.h
@@ -134,6 +134,11 @@ struct hns_roce_ucontext {
struct hns_roce_uar uar;
};
+struct hns_roce_pd {
+ struct ib_pd ibpd;
+ unsigned long pdn;
+};
+
struct hns_roce_bitmap {
/* Bitmap Traversal last a bit which is 1 */
unsigned long last;
@@ -399,6 +404,11 @@ static inline struct hns_roce_ucontext
return container_of(ibucontext, struct hns_roce_ucontext, ibucontext);
}
+static inline struct hns_roce_pd *to_hr_pd(struct ib_pd *ibpd)
+{
+ return container_of(ibpd, struct hns_roce_pd, ibpd);
+}
+
static inline void hns_roce_write64_k(__be32 val[2], void __iomem *dest)
{
__raw_writeq(*(u64 *) val, dest);
@@ -446,6 +456,13 @@ int hns_roce_bitmap_alloc_range(struct hns_roce_bitmap *bitmap, int cnt,
void hns_roce_bitmap_free_range(struct hns_roce_bitmap *bitmap,
unsigned long obj, int cnt);
+struct ib_pd *hns_roce_alloc_pd(struct ib_device *ib_dev,
+ struct ib_ucontext *context,
+ struct ib_udata *udata);
+int hns_roce_pd_alloc(struct hns_roce_dev *hr_dev, unsigned long *pdn);
+void hns_roce_pd_free(struct hns_roce_dev *hr_dev, unsigned long pdn);
+int hns_roce_dealloc_pd(struct ib_pd *pd);
+
void hns_roce_cq_completion(struct hns_roce_dev *hr_dev, u32 cqn);
void hns_roce_cq_event(struct hns_roce_dev *hr_dev, u32 cqn, int event_type);
void hns_roce_qp_event(struct hns_roce_dev *hr_dev, u32 qpn, int event_type);
diff --git a/drivers/infiniband/hw/hns/hns_roce_main.c b/drivers/infiniband/hw/hns/hns_roce_main.c
index 64cf5c8..2cebbc8 100644
--- a/drivers/infiniband/hw/hns/hns_roce_main.c
+++ b/drivers/infiniband/hw/hns/hns_roce_main.c
@@ -604,7 +604,9 @@ int hns_roce_register_device(struct hns_roce_dev *hr_dev)
ib_dev->uverbs_cmd_mask =
(1ULL << IB_USER_VERBS_CMD_GET_CONTEXT) |
(1ULL << IB_USER_VERBS_CMD_QUERY_DEVICE) |
- (1ULL << IB_USER_VERBS_CMD_QUERY_PORT);
+ (1ULL << IB_USER_VERBS_CMD_QUERY_PORT) |
+ (1ULL << IB_USER_VERBS_CMD_ALLOC_PD) |
+ (1ULL << IB_USER_VERBS_CMD_DEALLOC_PD);
/* HCA||device||port */
ib_dev->modify_device = hns_roce_modify_device;
@@ -618,6 +620,10 @@ int hns_roce_register_device(struct hns_roce_dev *hr_dev)
ib_dev->dealloc_ucontext = hns_roce_dealloc_ucontext;
ib_dev->mmap = hns_roce_mmap;
+ /* PD */
+ ib_dev->alloc_pd = hns_roce_alloc_pd;
+ ib_dev->dealloc_pd = hns_roce_dealloc_pd;
+
ret = ib_register_device(ib_dev, NULL);
if (ret) {
dev_err(dev, "ib_register_device failed!\n");
diff --git a/drivers/infiniband/hw/hns/hns_roce_pd.c b/drivers/infiniband/hw/hns/hns_roce_pd.c
index 6ad38f2..f7f8fc0 100644
--- a/drivers/infiniband/hw/hns/hns_roce_pd.c
+++ b/drivers/infiniband/hw/hns/hns_roce_pd.c
@@ -40,6 +40,28 @@
#include "hns_roce_common.h"
#include "hns_roce_device.h"
+int hns_roce_pd_alloc(struct hns_roce_dev *hr_dev, unsigned long *pdn)
+{
+ struct device *dev = &hr_dev->pdev->dev;
+ unsigned long pd_number;
+ int ret = 0;
+
+ ret = hns_roce_bitmap_alloc(&hr_dev->pd_bitmap, &pd_number);
+ if (ret == -1) {
+ dev_err(dev, "alloc pdn from pdbitmap failed\n");
+ return -ENOMEM;
+ }
+
+ *pdn = pd_number;
+
+ return 0;
+}
+
+void hns_roce_pd_free(struct hns_roce_dev *hr_dev, unsigned long pdn)
+{
+ hns_roce_bitmap_free(&hr_dev->pd_bitmap, pdn);
+}
+
int hns_roce_init_pd_table(struct hns_roce_dev *hr_dev)
{
return hns_roce_bitmap_init(&hr_dev->pd_bitmap, hr_dev->caps.num_pds,
@@ -52,6 +74,46 @@ void hns_roce_cleanup_pd_table(struct hns_roce_dev *hr_dev)
hns_roce_bitmap_cleanup(&hr_dev->pd_bitmap);
}
+struct ib_pd *hns_roce_alloc_pd(struct ib_device *ib_dev,
+ struct ib_ucontext *context,
+ struct ib_udata *udata)
+{
+ struct hns_roce_dev *hr_dev = to_hr_dev(ib_dev);
+ struct device *dev = &hr_dev->pdev->dev;
+ struct hns_roce_pd *pd;
+ int ret;
+
+ pd = kmalloc(sizeof(*pd), GFP_KERNEL);
+ if (!pd)
+ return ERR_PTR(-ENOMEM);
+
+ ret = hns_roce_pd_alloc(to_hr_dev(ib_dev), &pd->pdn);
+ if (ret) {
+ kfree(pd);
+ dev_err(dev, "[alloc_pd]hns_roce_pd_alloc failed!\n");
+ return ERR_PTR(ret);
+ }
+
+ if (context) {
+ if (ib_copy_to_udata(udata, &pd->pdn, sizeof(u64))) {
+ hns_roce_pd_free(to_hr_dev(ib_dev), pd->pdn);
+ dev_err(dev, "[alloc_pd]ib_copy_to_udata failed!\n");
+ kfree(pd);
+ return ERR_PTR(-EFAULT);
+ }
+ }
+
+ return &pd->ibpd;
+}
+
+int hns_roce_dealloc_pd(struct ib_pd *pd)
+{
+ hns_roce_pd_free(to_hr_dev(pd->device), to_hr_pd(pd)->pdn);
+ kfree(to_hr_pd(pd));
+
+ return 0;
+}
+
int hns_roce_uar_alloc(struct hns_roce_dev *hr_dev, struct hns_roce_uar *uar)
{
struct resource *res;
--
1.9.1
next prev parent reply other threads:[~2016-06-01 15:33 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-06-01 15:37 [PATCH v9 00/22] Add HiSilicon RoCE driver Lijun Ou
2016-06-01 15:37 ` [PATCH v9 01/22] net: hns: Add reset function support for " Lijun Ou
2016-06-01 15:37 ` [PATCH v9 02/22] devicetree: bindings: IB: Add binding document for HiSilicon RoCE Lijun Ou
2016-06-01 15:37 ` [PATCH v9 03/22] IB/hns: Add initial main frame driver and get cfg info Lijun Ou
2016-06-09 6:39 ` Leon Romanovsky
2016-06-17 1:29 ` Wei Hu (Xavier)
2016-06-01 15:37 ` [PATCH v9 04/22] IB/hns: Add RoCE engine reset function Lijun Ou
2016-06-01 15:37 ` [PATCH v9 05/22] IB/hns: Add initial profile resource Lijun Ou
2016-06-09 7:01 ` Leon Romanovsky
2016-06-15 1:34 ` oulijun
2016-06-01 15:37 ` [PATCH v9 06/22] IB/hns: Add initial cmd operation Lijun Ou
2016-06-01 15:37 ` [PATCH v9 07/22] IB/hns: Add event queue support Lijun Ou
2016-06-01 15:37 ` [PATCH v9 08/22] IB/hns: Add icm support Lijun Ou
2016-06-09 6:58 ` Leon Romanovsky
2016-06-01 15:37 ` [PATCH v9 09/22] IB/hns: Add hca support Lijun Ou
2016-06-09 7:10 ` Leon Romanovsky
2016-06-17 1:29 ` Wei Hu (Xavier)
2016-06-01 15:37 ` [PATCH v9 10/22] IB/hns: Add process flow to init RoCE engine Lijun Ou
2016-06-01 15:37 ` [PATCH v9 11/22] IB/hns: Add IB device registration Lijun Ou
2016-06-09 6:26 ` Leon Romanovsky
2016-06-12 9:41 ` Wei Hu (Xavier)
2016-06-13 12:46 ` Leon Romanovsky
2016-06-17 1:25 ` Wei Hu (Xavier)
2016-06-01 15:37 ` [PATCH v9 12/22] IB/hns: Set mtu and gid support Lijun Ou
2016-06-01 15:37 ` [PATCH v9 13/22] IB/hns: Add interface of the protocol stack registration Lijun Ou
2016-06-01 15:37 ` [PATCH v9 14/22] IB/hns: Add operations support for IB device and port Lijun Ou
2016-06-01 15:37 ` Lijun Ou [this message]
2016-06-01 15:37 ` [PATCH v9 16/22] IB/hns: Add ah operations support Lijun Ou
2016-06-01 15:37 ` [PATCH v9 17/22] IB/hns: Add QP " Lijun Ou
2016-06-01 15:38 ` [PATCH v9 18/22] IB/hns: Add CQ " Lijun Ou
2016-06-01 15:38 ` [PATCH v9 19/22] IB/hns: Add memory region " Lijun Ou
2016-06-01 15:38 ` [PATCH v9 20/22] IB/hns: Add operation for getting immutable port Lijun Ou
2016-06-01 15:38 ` [PATCH v9 21/22] IB/hns: Kconfig and Makefile for RoCE module Lijun Ou
2016-06-01 15:38 ` [PATCH v9 22/22] MAINTAINERS: Add maintainers for HiSilicon RoCE driver Lijun Ou
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