Commit 628e6f75 authored by Erez Shitrit's avatar Erez Shitrit Committed by Doug Ledford

IB/SA Agent: Add support for SA agent get ClassPortInfo

New SA query function to return the ClassPortInfo struct from the SA.
If the SM supports FullMemberSendOnly mode for MCG's, it sets a
capability bit in the capability_mask2 field of the response.
Signed-off-by: default avatarErez Shitrit <erezsh@mellanox.com>
Reviewed-by: default avatarLeon Romanovsky <leonro@mellanox.com>
Signed-off-by: default avatarDoug Ledford <dledford@redhat.com>
parent 507f6afa
......@@ -119,6 +119,12 @@ struct ib_sa_guidinfo_query {
struct ib_sa_query sa_query;
};
struct ib_sa_classport_info_query {
void (*callback)(int, struct ib_class_port_info *, void *);
void *context;
struct ib_sa_query sa_query;
};
struct ib_sa_mcmember_query {
void (*callback)(int, struct ib_sa_mcmember_rec *, void *);
void *context;
......@@ -392,6 +398,82 @@ static const struct ib_field service_rec_table[] = {
.size_bits = 2*64 },
};
#define CLASSPORTINFO_REC_FIELD(field) \
.struct_offset_bytes = offsetof(struct ib_class_port_info, field), \
.struct_size_bytes = sizeof((struct ib_class_port_info *)0)->field, \
.field_name = "ib_class_port_info:" #field
static const struct ib_field classport_info_rec_table[] = {
{ CLASSPORTINFO_REC_FIELD(base_version),
.offset_words = 0,
.offset_bits = 0,
.size_bits = 8 },
{ CLASSPORTINFO_REC_FIELD(class_version),
.offset_words = 0,
.offset_bits = 8,
.size_bits = 8 },
{ CLASSPORTINFO_REC_FIELD(capability_mask),
.offset_words = 0,
.offset_bits = 16,
.size_bits = 16 },
{ CLASSPORTINFO_REC_FIELD(cap_mask2_resp_time),
.offset_words = 1,
.offset_bits = 0,
.size_bits = 32 },
{ CLASSPORTINFO_REC_FIELD(redirect_gid),
.offset_words = 2,
.offset_bits = 0,
.size_bits = 128 },
{ CLASSPORTINFO_REC_FIELD(redirect_tcslfl),
.offset_words = 6,
.offset_bits = 0,
.size_bits = 32 },
{ CLASSPORTINFO_REC_FIELD(redirect_lid),
.offset_words = 7,
.offset_bits = 0,
.size_bits = 16 },
{ CLASSPORTINFO_REC_FIELD(redirect_pkey),
.offset_words = 7,
.offset_bits = 16,
.size_bits = 16 },
{ CLASSPORTINFO_REC_FIELD(redirect_qp),
.offset_words = 8,
.offset_bits = 0,
.size_bits = 32 },
{ CLASSPORTINFO_REC_FIELD(redirect_qkey),
.offset_words = 9,
.offset_bits = 0,
.size_bits = 32 },
{ CLASSPORTINFO_REC_FIELD(trap_gid),
.offset_words = 10,
.offset_bits = 0,
.size_bits = 128 },
{ CLASSPORTINFO_REC_FIELD(trap_tcslfl),
.offset_words = 14,
.offset_bits = 0,
.size_bits = 32 },
{ CLASSPORTINFO_REC_FIELD(trap_lid),
.offset_words = 15,
.offset_bits = 0,
.size_bits = 16 },
{ CLASSPORTINFO_REC_FIELD(trap_pkey),
.offset_words = 15,
.offset_bits = 16,
.size_bits = 16 },
{ CLASSPORTINFO_REC_FIELD(trap_hlqp),
.offset_words = 16,
.offset_bits = 0,
.size_bits = 32 },
{ CLASSPORTINFO_REC_FIELD(trap_qkey),
.offset_words = 17,
.offset_bits = 0,
.size_bits = 32 },
};
#define GUIDINFO_REC_FIELD(field) \
.struct_offset_bytes = offsetof(struct ib_sa_guidinfo_rec, field), \
.struct_size_bytes = sizeof((struct ib_sa_guidinfo_rec *) 0)->field, \
......@@ -1645,6 +1727,97 @@ err1:
}
EXPORT_SYMBOL(ib_sa_guid_info_rec_query);
/* Support get SA ClassPortInfo */
static void ib_sa_classport_info_rec_callback(struct ib_sa_query *sa_query,
int status,
struct ib_sa_mad *mad)
{
struct ib_sa_classport_info_query *query =
container_of(sa_query, struct ib_sa_classport_info_query, sa_query);
if (mad) {
struct ib_class_port_info rec;
ib_unpack(classport_info_rec_table,
ARRAY_SIZE(classport_info_rec_table),
mad->data, &rec);
query->callback(status, &rec, query->context);
} else {
query->callback(status, NULL, query->context);
}
}
static void ib_sa_portclass_info_rec_release(struct ib_sa_query *sa_query)
{
kfree(container_of(sa_query, struct ib_sa_classport_info_query,
sa_query));
}
int ib_sa_classport_info_rec_query(struct ib_sa_client *client,
struct ib_device *device, u8 port_num,
int timeout_ms, gfp_t gfp_mask,
void (*callback)(int status,
struct ib_class_port_info *resp,
void *context),
void *context,
struct ib_sa_query **sa_query)
{
struct ib_sa_classport_info_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;
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(mad, agent);
query->sa_query.callback = callback ? ib_sa_classport_info_rec_callback : NULL;
query->sa_query.release = ib_sa_portclass_info_rec_release;
/* support GET only */
mad->mad_hdr.method = IB_MGMT_METHOD_GET;
mad->mad_hdr.attr_id = cpu_to_be16(IB_SA_ATTR_CLASS_PORTINFO);
mad->sa_hdr.comp_mask = 0;
*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_classport_info_rec_query);
static void send_handler(struct ib_mad_agent *agent,
struct ib_mad_send_wc *mad_send_wc)
{
......
......@@ -94,6 +94,8 @@ enum ib_sa_selector {
IB_SA_BEST = 3
};
#define IB_SA_CAP_MASK2_SENDONLY_FULL_MEM_SUPPORT BIT(12)
/*
* Structures for SA records are named "struct ib_sa_xxx_rec." No
* attempt is made to pack structures to match the physical layout of
......@@ -439,4 +441,14 @@ int ib_sa_guid_info_rec_query(struct ib_sa_client *client,
void *context,
struct ib_sa_query **sa_query);
/* Support get SA ClassPortInfo */
int ib_sa_classport_info_rec_query(struct ib_sa_client *client,
struct ib_device *device, u8 port_num,
int timeout_ms, gfp_t gfp_mask,
void (*callback)(int status,
struct ib_class_port_info *resp,
void *context),
void *context,
struct ib_sa_query **sa_query);
#endif /* IB_SA_H */
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