diff options
Diffstat (limited to 'drivers/infiniband/core/verbs.c')
| -rw-r--r-- | drivers/infiniband/core/verbs.c | 61 |
1 files changed, 58 insertions, 3 deletions
diff --git a/drivers/infiniband/core/verbs.c b/drivers/infiniband/core/verbs.c index ee390928511a..a2670a031faf 100644 --- a/drivers/infiniband/core/verbs.c +++ b/drivers/infiniband/core/verbs.c @@ -78,6 +78,7 @@ static const char * const ib_events[] = { [IB_EVENT_QP_LAST_WQE_REACHED] = "last WQE reached", [IB_EVENT_CLIENT_REREGISTER] = "client reregister", [IB_EVENT_GID_CHANGE] = "GID changed", + [IB_EVENT_DEVICE_SPEED_CHANGE] = "device speed change" }; const char *__attribute_const__ ib_event_msg(enum ib_event_type event) @@ -216,6 +217,57 @@ __attribute_const__ int ib_rate_to_mbps(enum ib_rate rate) } EXPORT_SYMBOL(ib_rate_to_mbps); +struct ib_speed_attr { + const char *str; + int speed; +}; + +#define IB_SPEED_ATTR(speed_type, _str, _speed) \ + [speed_type] = {.str = _str, .speed = _speed} + +static const struct ib_speed_attr ib_speed_attrs[] = { + IB_SPEED_ATTR(IB_SPEED_SDR, " SDR", 25), + IB_SPEED_ATTR(IB_SPEED_DDR, " DDR", 50), + IB_SPEED_ATTR(IB_SPEED_QDR, " QDR", 100), + IB_SPEED_ATTR(IB_SPEED_FDR10, " FDR10", 100), + IB_SPEED_ATTR(IB_SPEED_FDR, " FDR", 140), + IB_SPEED_ATTR(IB_SPEED_EDR, " EDR", 250), + IB_SPEED_ATTR(IB_SPEED_HDR, " HDR", 500), + IB_SPEED_ATTR(IB_SPEED_NDR, " NDR", 1000), + IB_SPEED_ATTR(IB_SPEED_XDR, " XDR", 2000), +}; + +int ib_port_attr_to_speed_info(struct ib_port_attr *attr, + struct ib_port_speed_info *speed_info) +{ + int speed_idx = attr->active_speed; + + switch (attr->active_speed) { + case IB_SPEED_DDR: + case IB_SPEED_QDR: + case IB_SPEED_FDR10: + case IB_SPEED_FDR: + case IB_SPEED_EDR: + case IB_SPEED_HDR: + case IB_SPEED_NDR: + case IB_SPEED_XDR: + case IB_SPEED_SDR: + break; + default: + speed_idx = IB_SPEED_SDR; /* Default to SDR for invalid rates */ + break; + } + + speed_info->str = ib_speed_attrs[speed_idx].str; + speed_info->rate = ib_speed_attrs[speed_idx].speed; + speed_info->rate *= ib_width_enum_to_int(attr->active_width); + if (speed_info->rate < 0) + return -EINVAL; + + return 0; +} +EXPORT_SYMBOL(ib_port_attr_to_speed_info); + __attribute_const__ enum rdma_transport_type rdma_node_get_transport(unsigned int node_type) { @@ -1485,7 +1537,8 @@ static const struct { IB_QP_PKEY_INDEX), [IB_QPT_RC] = (IB_QP_ALT_PATH | IB_QP_ACCESS_FLAGS | - IB_QP_PKEY_INDEX), + IB_QP_PKEY_INDEX | + IB_QP_RATE_LIMIT), [IB_QPT_XRC_INI] = (IB_QP_ALT_PATH | IB_QP_ACCESS_FLAGS | IB_QP_PKEY_INDEX), @@ -1533,7 +1586,8 @@ static const struct { IB_QP_ALT_PATH | IB_QP_ACCESS_FLAGS | IB_QP_MIN_RNR_TIMER | - IB_QP_PATH_MIG_STATE), + IB_QP_PATH_MIG_STATE | + IB_QP_RATE_LIMIT), [IB_QPT_XRC_INI] = (IB_QP_CUR_STATE | IB_QP_ALT_PATH | IB_QP_ACCESS_FLAGS | @@ -1567,7 +1621,8 @@ static const struct { IB_QP_ACCESS_FLAGS | IB_QP_ALT_PATH | IB_QP_PATH_MIG_STATE | - IB_QP_MIN_RNR_TIMER), + IB_QP_MIN_RNR_TIMER | + IB_QP_RATE_LIMIT), [IB_QPT_XRC_INI] = (IB_QP_CUR_STATE | IB_QP_ACCESS_FLAGS | IB_QP_ALT_PATH | |