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RDMA/srpt: Duplicate port name members 

Prepare for decoupling the lifetimes of struct srpt_port and struct
srpt_port_id by duplicating the port name into struct srpt_port.

Link: https://lore.kernel.org/r/20220727193415.1583860-2-bvanassche@acm.org
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
This commit is contained in:
Bart Van Assche 2022-07-27 12:34:13 -07:00 committed by Jason Gunthorpe
parent dd390cba54
commit b03b1ae2a3
2 changed files with 13 additions and 6 deletions
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9
drivers/infiniband/ulp/srpt/ib_srpt.c
View File

@ -566,14 +566,17 @@ static int srpt_refresh_port(struct srpt_port *sport)
return ret;
sport->port_guid_id.wwn.priv = sport;
srpt_format_guid(sport->port_guid_id.name,
sizeof(sport->port_guid_id.name),
srpt_format_guid(sport->guid_name, ARRAY_SIZE(sport->guid_name),
&sport->gid.global.interface_id);
memcpy(sport->port_guid_id.name, sport->guid_name,
ARRAY_SIZE(sport->guid_name));
sport->port_gid_id.wwn.priv = sport;
snprintf(sport->port_gid_id.name, sizeof(sport->port_gid_id.name),
snprintf(sport->gid_name, ARRAY_SIZE(sport->gid_name),
"0x%016llx%016llx",
be64_to_cpu(sport->gid.global.subnet_prefix),
be64_to_cpu(sport->gid.global.interface_id));
memcpy(sport->port_gid_id.name, sport->gid_name,
ARRAY_SIZE(sport->gid_name));
if (rdma_protocol_iwarp(sport->sdev->device, sport->port))
return 0;

10
drivers/infiniband/ulp/srpt/ib_srpt.h
View File

@ -376,7 +376,7 @@ struct srpt_tpg {
};
/**
* struct srpt_port_id - information about an RDMA port name
* struct srpt_port_id - LIO RDMA port information
* @mutex: Protects @tpg_list changes.
* @tpg_list: TPGs associated with the RDMA port name.
* @wwn: WWN associated with the RDMA port name.
@ -402,8 +402,10 @@ struct srpt_port_id {
* @lid: cached value of the port's lid.
* @gid: cached value of the port's gid.
* @work: work structure for refreshing the aforementioned cached values.
* @port_guid_id: target port GUID
* @port_gid_id: target port GID
* @guid_name: port name in GUID format.
* @port_guid_id: LIO target port information for the port name in GUID format.
* @gid_name: port name in GID format.
* @port_gid_id: LIO target port information for the port name in GID format.
* @port_attrib: Port attributes that can be accessed through configfs.
* @refcount: Number of objects associated with this port.
* @freed_channels: Completion that will be signaled once @refcount becomes 0.
@ -419,7 +421,9 @@ struct srpt_port {
u32 lid;
union ib_gid gid;
struct work_struct work;
char guid_name[64];
struct srpt_port_id port_guid_id;
char gid_name[64];
struct srpt_port_id port_gid_id;
struct srpt_port_attrib port_attrib;
atomic_t refcount;