This is a note to let you know that I've just added the patch titled
RDMA/hns: Add max_ah and cq moderation capacities in query_device()
to the 6.9-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
rdma-hns-add-max_ah-and-cq-moderation-capacities-in-.patch
and it can be found in the queue-6.9 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit afd9be3f1ae228da6513778c91c4694f408cd82a
Author: Chengchang Tang <tangchengchang@xxxxxxxxxx>
Date: Fri Apr 12 17:16:09 2024 +0800
RDMA/hns: Add max_ah and cq moderation capacities in query_device()
[ Upstream commit 2ce384307f2ddf39dc662878e151722199afc9ae ]
Add max_ah and cq moderation capacities to hns_roce_query_device().
Fixes: 9a4435375cd1 ("IB/hns: Add driver files for hns RoCE driver")
Signed-off-by: Chengchang Tang <tangchengchang@xxxxxxxxxx>
Signed-off-by: Junxian Huang <huangjunxian6@xxxxxxxxxxxxx>
Link: https://lore.kernel.org/r/20240412091616.370789-4-huangjunxian6@xxxxxxxxxxxxx
Signed-off-by: Leon Romanovsky <leon@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/infiniband/hw/hns/hns_roce_device.h b/drivers/infiniband/hw/hns/hns_roce_device.h
index c3cbd0a494bfd..0b47c6d68804f 100644
--- a/drivers/infiniband/hw/hns/hns_roce_device.h
+++ b/drivers/infiniband/hw/hns/hns_roce_device.h
@@ -100,6 +100,9 @@
#define CQ_BANKID_SHIFT 2
#define CQ_BANKID_MASK GENMASK(1, 0)
+#define HNS_ROCE_MAX_CQ_COUNT 0xFFFF
+#define HNS_ROCE_MAX_CQ_PERIOD 0xFFFF
+
enum {
SERV_TYPE_RC,
SERV_TYPE_UC,
diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
index ba7ae792d279d..99f6ae6135c2f 100644
--- a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
+++ b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
@@ -5802,7 +5802,7 @@ static int hns_roce_v2_modify_cq(struct ib_cq *cq, u16 cq_count, u16 cq_period)
dev_info(hr_dev->dev,
"cq_period(%u) reached the upper limit, adjusted to 65.\n",
cq_period);
- cq_period = HNS_ROCE_MAX_CQ_PERIOD;
+ cq_period = HNS_ROCE_MAX_CQ_PERIOD_HIP08;
}
cq_period *= HNS_ROCE_CLOCK_ADJUST;
}
diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v2.h b/drivers/infiniband/hw/hns/hns_roce_hw_v2.h
index df04bc8ede57b..dfed6b4ddb04d 100644
--- a/drivers/infiniband/hw/hns/hns_roce_hw_v2.h
+++ b/drivers/infiniband/hw/hns/hns_roce_hw_v2.h
@@ -1334,7 +1334,7 @@ struct fmea_ram_ecc {
/* only for RNR timeout issue of HIP08 */
#define HNS_ROCE_CLOCK_ADJUST 1000
-#define HNS_ROCE_MAX_CQ_PERIOD 65
+#define HNS_ROCE_MAX_CQ_PERIOD_HIP08 65
#define HNS_ROCE_MAX_EQ_PERIOD 65
#define HNS_ROCE_RNR_TIMER_10NS 1
#define HNS_ROCE_1US_CFG 999
diff --git a/drivers/infiniband/hw/hns/hns_roce_main.c b/drivers/infiniband/hw/hns/hns_roce_main.c
index 1dc60c2b2b7ab..4d94fcb8685ab 100644
--- a/drivers/infiniband/hw/hns/hns_roce_main.c
+++ b/drivers/infiniband/hw/hns/hns_roce_main.c
@@ -40,6 +40,7 @@
#include "hns_roce_common.h"
#include "hns_roce_device.h"
#include "hns_roce_hem.h"
+#include "hns_roce_hw_v2.h"
static int hns_roce_set_mac(struct hns_roce_dev *hr_dev, u32 port,
const u8 *addr)
@@ -192,6 +193,12 @@ static int hns_roce_query_device(struct ib_device *ib_dev,
IB_ATOMIC_HCA : IB_ATOMIC_NONE;
props->max_pkeys = 1;
props->local_ca_ack_delay = hr_dev->caps.local_ca_ack_delay;
+ props->max_ah = INT_MAX;
+ props->cq_caps.max_cq_moderation_period = HNS_ROCE_MAX_CQ_PERIOD;
+ props->cq_caps.max_cq_moderation_count = HNS_ROCE_MAX_CQ_COUNT;
+ if (hr_dev->pci_dev->revision == PCI_REVISION_ID_HIP08)
+ props->cq_caps.max_cq_moderation_period = HNS_ROCE_MAX_CQ_PERIOD_HIP08;
+
if (hr_dev->caps.flags & HNS_ROCE_CAP_FLAG_SRQ) {
props->max_srq = hr_dev->caps.num_srqs;
props->max_srq_wr = hr_dev->caps.max_srq_wrs;
