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RDMA/core/sa_query: Remove unused function 

ib_sa_service_rec_query() was introduced in kernel v2.6.13 by
commit cbae32c563 ("[PATCH] IB: Add Service Record support to SA client")
in 2005. It was not used then and have never been used since.

Removing it and related functions/structs.

Link: https://lore.kernel.org/r/1628702736-12651-1-git-send-email-haakon.bugge@oracle.com
Signed-off-by: Håkon Bugge <haakon.bugge@oracle.com>
Reviewed-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
This commit is contained in:
Håkon Bugge 2021-08-11 19:25:36 +02:00 committed by Jason Gunthorpe
parent 6ef793cbd4
commit bfeababd51
2 changed files with 0 additions and 201 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

177
drivers/infiniband/core/sa_query.c
View File

@ -123,12 +123,6 @@ struct ib_sa_query {
#define IB_SA_CANCEL 0x00000002
#define IB_SA_QUERY_OPA 0x00000004
struct ib_sa_service_query {
void (*callback)(int, struct ib_sa_service_rec *, void *);
void *context;
struct ib_sa_query sa_query;
};
struct ib_sa_path_query {
void (*callback)(int, struct sa_path_rec *, void *);
void *context;
@ -502,54 +496,6 @@ static const struct ib_field mcmember_rec_table[] = {
.size_bits = 23 },
};
#define SERVICE_REC_FIELD(field) \
.struct_offset_bytes = offsetof(struct ib_sa_service_rec, field), \
.struct_size_bytes = sizeof_field(struct ib_sa_service_rec, field), \
.field_name = "sa_service_rec:" #field
static const struct ib_field service_rec_table[] = {
{ SERVICE_REC_FIELD(id),
.offset_words = 0,
.offset_bits = 0,
.size_bits = 64 },
{ SERVICE_REC_FIELD(gid),
.offset_words = 2,
.offset_bits = 0,
.size_bits = 128 },
{ SERVICE_REC_FIELD(pkey),
.offset_words = 6,
.offset_bits = 0,
.size_bits = 16 },
{ SERVICE_REC_FIELD(lease),
.offset_words = 7,
.offset_bits = 0,
.size_bits = 32 },
{ SERVICE_REC_FIELD(key),
.offset_words = 8,
.offset_bits = 0,
.size_bits = 128 },
{ SERVICE_REC_FIELD(name),
.offset_words = 12,
.offset_bits = 0,
.size_bits = 64*8 },
{ SERVICE_REC_FIELD(data8),
.offset_words = 28,
.offset_bits = 0,
.size_bits = 16*8 },
{ SERVICE_REC_FIELD(data16),
.offset_words = 32,
.offset_bits = 0,
.size_bits = 8*16 },
{ SERVICE_REC_FIELD(data32),
.offset_words = 36,
.offset_bits = 0,
.size_bits = 4*32 },
{ SERVICE_REC_FIELD(data64),
.offset_words = 40,
.offset_bits = 0,
.size_bits = 2*64 },
};
#define CLASSPORTINFO_REC_FIELD(field) \
.struct_offset_bytes = offsetof(struct ib_class_port_info, field), \
.struct_size_bytes = sizeof_field(struct ib_class_port_info, field), \
@ -1634,129 +1580,6 @@ int ib_sa_path_rec_get(struct ib_sa_client *client,
}
EXPORT_SYMBOL(ib_sa_path_rec_get);
static void ib_sa_service_rec_callback(struct ib_sa_query *sa_query,
int status,
struct ib_sa_mad *mad)
{
struct ib_sa_service_query *query =
container_of(sa_query, struct ib_sa_service_query, sa_query);
if (mad) {
struct ib_sa_service_rec rec;
ib_unpack(service_rec_table, ARRAY_SIZE(service_rec_table),
mad->data, &rec);
query->callback(status, &rec, query->context);
} else
query->callback(status, NULL, query->context);
}
static void ib_sa_service_rec_release(struct ib_sa_query *sa_query)
{
kfree(container_of(sa_query, struct ib_sa_service_query, sa_query));
}
/**
* ib_sa_service_rec_query - Start Service Record operation
* @client:SA client
* @device:device to send request on
* @port_num: port number to send request on
* @method:SA method - should be get, set, or delete
* @rec:Service Record to send in request
* @comp_mask:component mask to send in request
* @timeout_ms:time to wait for response
* @gfp_mask:GFP mask to use for internal allocations
* @callback:function called when request completes, times out or is
* canceled
* @context:opaque user context passed to callback
* @sa_query:request context, used to cancel request
*
* Send a Service Record set/get/delete to the SA to register,
* unregister or query a service record.
* The callback function will be called when the request completes (or
* fails); status is 0 for a successful response, -EINTR if the query
* is canceled, -ETIMEDOUT is the query timed out, or -EIO if an error
* occurred sending the query. The resp parameter of the callback is
* only valid if status is 0.
*
* If the return value of ib_sa_service_rec_query() is negative, it is an
* error code. Otherwise it is a request ID that can be used to cancel
* the query.
*/
int ib_sa_service_rec_query(struct ib_sa_client *client,
struct ib_device *device, u32 port_num, u8 method,
struct ib_sa_service_rec *rec,
ib_sa_comp_mask comp_mask,
unsigned long timeout_ms, gfp_t gfp_mask,
void (*callback)(int status,
struct ib_sa_service_rec *resp,
void *context),
void *context,
struct ib_sa_query **sa_query)
{
struct ib_sa_service_query *query;
struct ib_sa_device *sa_dev = ib_get_client_data(device, &sa_client);
struct ib_sa_port *port;
struct ib_mad_agent *agent;
struct ib_sa_mad *mad;
int ret;
if (!sa_dev)
return -ENODEV;
port = &sa_dev->port[port_num - sa_dev->start_port];
agent = port->agent;
if (method != IB_MGMT_METHOD_GET &&
method != IB_MGMT_METHOD_SET &&
method != IB_SA_METHOD_DELETE)
return -EINVAL;
query = kzalloc(sizeof(*query), gfp_mask);
if (!query)
return -ENOMEM;
query->sa_query.port = port;
ret = alloc_mad(&query->sa_query, gfp_mask);
if (ret)
goto err1;
ib_sa_client_get(client);
query->sa_query.client = client;
query->callback = callback;
query->context = context;
mad = query->sa_query.mad_buf->mad;
init_mad(&query->sa_query, agent);
query->sa_query.callback = callback ? ib_sa_service_rec_callback : NULL;
query->sa_query.release = ib_sa_service_rec_release;
mad->mad_hdr.method = method;
mad->mad_hdr.attr_id = cpu_to_be16(IB_SA_ATTR_SERVICE_REC);
mad->sa_hdr.comp_mask = comp_mask;
ib_pack(service_rec_table, ARRAY_SIZE(service_rec_table),
rec, mad->data);
*sa_query = &query->sa_query;
ret = send_mad(&query->sa_query, timeout_ms, gfp_mask);
if (ret < 0)
goto err2;
return ret;
err2:
*sa_query = NULL;
ib_sa_client_put(query->sa_query.client);
free_mad(&query->sa_query);
err1:
kfree(query);
return ret;
}
EXPORT_SYMBOL(ib_sa_service_rec_query);
static void ib_sa_mcmember_rec_callback(struct ib_sa_query *sa_query,
int status,
struct ib_sa_mad *mad)

24
include/rdma/ib_sa.h
View File

@ -366,20 +366,6 @@ struct ib_sa_mcmember_rec {
#define IB_DEFAULT_SERVICE_LEASE 0xFFFFFFFF
struct ib_sa_service_rec {
u64 id;
union ib_gid gid;
__be16 pkey;
/* reserved */
u32 lease;
u8 key[16];
u8 name[64];
u8 data8[16];
u16 data16[8];
u32 data32[4];
u64 data64[2];
};
#define IB_SA_GUIDINFO_REC_LID IB_SA_COMP_MASK(0)
#define IB_SA_GUIDINFO_REC_BLOCK_NUM IB_SA_COMP_MASK(1)
#define IB_SA_GUIDINFO_REC_RES1 IB_SA_COMP_MASK(2)
@ -430,16 +416,6 @@ int ib_sa_path_rec_get(struct ib_sa_client *client, struct ib_device *device,
void *context),
void *context, struct ib_sa_query **query);
int ib_sa_service_rec_query(struct ib_sa_client *client,
struct ib_device *device, u32 port_num, u8 method,
struct ib_sa_service_rec *rec,
ib_sa_comp_mask comp_mask, unsigned long timeout_ms,
gfp_t gfp_mask,
void (*callback)(int status,
struct ib_sa_service_rec *resp,
void *context),
void *context, struct ib_sa_query **sa_query);
struct ib_sa_multicast {
struct ib_sa_mcmember_rec rec;
ib_sa_comp_mask comp_mask;