From: Wen Gu <guwen@linux.alibaba.com>
To: wintera@linux.ibm.com, wenjia@linux.ibm.com, hca@linux.ibm.com,
gor@linux.ibm.com, agordeev@linux.ibm.com, davem@davemloft.net,
edumazet@google.com, kuba@kernel.org, pabeni@redhat.com,
jaka@linux.ibm.com
Cc: borntraeger@linux.ibm.com, svens@linux.ibm.com,
alibuda@linux.alibaba.com, tonylu@linux.alibaba.com,
guwen@linux.alibaba.com, linux-s390@vger.kernel.org,
netdev@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: [PATCH net-next 07/15] net/smc: register loopback-ism into SMC-D device list
Date: Thu, 11 Jan 2024 20:00:28 +0800 [thread overview]
Message-ID: <20240111120036.109903-8-guwen@linux.alibaba.com> (raw)
In-Reply-To: <20240111120036.109903-1-guwen@linux.alibaba.com>
After loopback-ism device gets ready, add it to the SMC-D device list as
an ISMv2 device.
Signed-off-by: Wen Gu <guwen@linux.alibaba.com>
---
net/smc/smc_ism.c | 11 +++++++----
net/smc/smc_ism.h | 1 +
net/smc/smc_loopback.c | 20 +++++++++++++-------
3 files changed, 21 insertions(+), 11 deletions(-)
diff --git a/net/smc/smc_ism.c b/net/smc/smc_ism.c
index fb1837d0a861..4065ebd2e43d 100644
--- a/net/smc/smc_ism.c
+++ b/net/smc/smc_ism.c
@@ -91,6 +91,11 @@ bool smc_ism_is_v2_capable(void)
return smc_ism_v2_capable;
}
+void smc_ism_set_v2_capable(void)
+{
+ smc_ism_v2_capable = true;
+}
+
/* Set a connection using this DMBE. */
void smc_ism_set_conn(struct smc_connection *conn)
{
@@ -454,11 +459,9 @@ static void smcd_register_dev(struct ism_dev *ism)
if (smc_pnetid_by_dev_port(&ism->pdev->dev, 0, smcd->pnetid))
smc_pnetid_by_table_smcd(smcd);
+ if (smcd->ops->supports_v2())
+ smc_ism_set_v2_capable();
mutex_lock(&smcd_dev_list.mutex);
- if (list_empty(&smcd_dev_list.list)) {
- if (smcd->ops->supports_v2())
- smc_ism_v2_capable = true;
- }
/* sort list: devices without pnetid before devices with pnetid */
if (smcd->pnetid[0])
list_add_tail(&smcd->list, &smcd_dev_list.list);
diff --git a/net/smc/smc_ism.h b/net/smc/smc_ism.h
index ffff40c30a06..6903cd5d4d4d 100644
--- a/net/smc/smc_ism.h
+++ b/net/smc/smc_ism.h
@@ -52,6 +52,7 @@ int smc_ism_signal_shutdown(struct smc_link_group *lgr);
void smc_ism_get_system_eid(u8 **eid);
u16 smc_ism_get_chid(struct smcd_dev *dev);
bool smc_ism_is_v2_capable(void);
+void smc_ism_set_v2_capable(void);
int smc_ism_init(void);
void smc_ism_exit(void);
int smcd_nl_get_device(struct sk_buff *skb, struct netlink_callback *cb);
diff --git a/net/smc/smc_loopback.c b/net/smc/smc_loopback.c
index f72e7b24fc1a..db0b45f8560c 100644
--- a/net/smc/smc_loopback.c
+++ b/net/smc/smc_loopback.c
@@ -278,10 +278,12 @@ static int smcd_lo_register_dev(struct smc_lo_dev *ldev)
return -ENOMEM;
ldev->smcd = smcd;
smcd->priv = ldev;
-
- /* TODO:
- * register loopback-ism to smcd_dev list.
- */
+ smc_ism_set_v2_capable();
+ mutex_lock(&smcd_dev_list.mutex);
+ list_add(&smcd->list, &smcd_dev_list.list);
+ mutex_unlock(&smcd_dev_list.mutex);
+ pr_warn_ratelimited("smc: adding smcd device %s\n",
+ smc_lo_dev_name);
return 0;
}
@@ -289,9 +291,13 @@ static void smcd_lo_unregister_dev(struct smc_lo_dev *ldev)
{
struct smcd_dev *smcd = ldev->smcd;
- /* TODO:
- * unregister loopback-ism from smcd_dev list.
- */
+ pr_warn_ratelimited("smc: removing smcd device %s\n",
+ smc_lo_dev_name);
+ smcd->going_away = 1;
+ smc_smcd_terminate_all(smcd);
+ mutex_lock(&smcd_dev_list.mutex);
+ list_del_init(&smcd->list);
+ mutex_unlock(&smcd_dev_list.mutex);
kfree(smcd->conn);
kfree(smcd);
}
--
2.32.0.3.g01195cf9f
next prev parent reply other threads:[~2024-01-11 12:06 UTC|newest]
Thread overview: 54+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-01-11 12:00 [PATCH net-next 00/15] net/smc: implement loopback-ism used by SMC-D Wen Gu
2024-01-11 12:00 ` [PATCH net-next 01/15] net/smc: improve SMC-D device dump for virtual ISM Wen Gu
2024-01-11 12:00 ` [PATCH net-next 02/15] net/smc: decouple specialized struct from SMC-D DMB registration Wen Gu
2024-01-11 12:00 ` [PATCH net-next 03/15] net/smc: introduce virtual ISM device loopback-ism Wen Gu
2024-02-16 14:11 ` Wenjia Zhang
2024-02-20 1:20 ` Wen Gu
2024-01-11 12:00 ` [PATCH net-next 04/15] net/smc: implement ID-related operations of loopback-ism Wen Gu
2024-01-11 12:00 ` [PATCH net-next 05/15] net/smc: implement some unsupported " Wen Gu
2024-01-11 12:00 ` [PATCH net-next 06/15] net/smc: implement DMB-related " Wen Gu
2024-02-16 14:13 ` Wenjia Zhang
2024-02-20 1:55 ` Wen Gu
2024-02-23 14:12 ` Wenjia Zhang
2024-02-26 3:04 ` Wen Gu
2024-01-11 12:00 ` Wen Gu [this message]
2024-01-11 12:00 ` [PATCH net-next 08/15] net/smc: introduce loopback-ism runtime switch Wen Gu
2024-01-11 12:00 ` [PATCH net-next 09/15] net/smc: introduce loopback-ism statistics attributes Wen Gu
2024-02-16 14:24 ` Wenjia Zhang
2024-02-20 2:45 ` Wen Gu
2024-02-23 14:13 ` Wenjia Zhang
2024-02-26 12:58 ` Wen Gu
2024-01-11 12:00 ` [PATCH net-next 10/15] net/smc: add operations to merge sndbuf with peer DMB Wen Gu
2024-01-11 12:00 ` [PATCH net-next 11/15] net/smc: attach or detach ghost sndbuf to " Wen Gu
2024-01-11 12:00 ` [PATCH net-next 12/15] net/smc: adapt cursor update when sndbuf and peer DMB are merged Wen Gu
2024-01-11 12:00 ` [PATCH net-next 13/15] net/smc: introduce loopback-ism DMB type control Wen Gu
2024-02-16 14:25 ` Wenjia Zhang
2024-02-20 3:19 ` Wen Gu
2024-01-11 12:00 ` [PATCH net-next 14/15] net/smc: introduce loopback-ism DMB data copy control Wen Gu
2024-01-12 16:24 ` Niklas Schnelle
2024-01-13 7:12 ` Wen Gu
2024-02-16 14:25 ` Wenjia Zhang
2024-02-20 3:36 ` Wen Gu
2024-02-23 14:42 ` Wenjia Zhang
2024-01-11 12:00 ` [PATCH net-next 15/15] net/smc: implement DMB-merged operations of loopback-ism Wen Gu
2024-01-11 13:36 ` [PATCH net-next 00/15] net/smc: implement loopback-ism used by SMC-D Simon Horman
2024-01-12 2:54 ` Wen Gu
2024-01-11 14:50 ` Jiri Pirko
2024-01-12 8:29 ` Wen Gu
2024-01-12 9:10 ` Jiri Pirko
2024-01-12 12:32 ` Wen Gu
2024-01-12 15:50 ` Jiri Pirko
2024-01-13 9:22 ` Wen Gu
2024-01-15 14:11 ` Jiri Pirko
2024-01-18 8:27 ` Wen Gu
2024-01-18 13:59 ` Wenjia Zhang
2024-01-19 1:46 ` Wen Gu
2024-01-23 14:03 ` Alexandra Winter
2024-01-24 6:33 ` Wen Gu
2024-02-05 10:05 ` Wen Gu
2024-02-07 9:08 ` Wenjia Zhang
2024-02-06 12:18 ` Alexandra Winter
2024-02-08 16:12 ` Wen Gu
2024-02-19 14:04 ` Wen Gu
2024-02-16 14:09 ` Wenjia Zhang
2024-02-20 3:52 ` Wen Gu
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