IB/ipath: Add code to support multiple link speeds and widths
This patch adds code to get/set portinfo to support multiple link speeds
and widths.
Signed-off-by: Ralph Campbell <ralph.campbell@qlogic.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
diff --git a/drivers/infiniband/hw/ipath/ipath_verbs.c b/drivers/infiniband/hw/ipath/ipath_verbs.c
index 012ccb4..2f9bc29 100644
--- a/drivers/infiniband/hw/ipath/ipath_verbs.c
+++ b/drivers/infiniband/hw/ipath/ipath_verbs.c
@@ -1183,7 +1183,9 @@
props->sm_lid = dev->sm_lid;
props->sm_sl = dev->sm_sl;
ibcstat = dd->ipath_lastibcstat;
- props->state = ((ibcstat >> 4) & 0x3) + 1;
+ /* map LinkState to IB portinfo values. */
+ props->state = ipath_ib_linkstate(dd, ibcstat) + 1;
+
/* See phys_state_show() */
props->phys_state = /* MEA: assumes shift == 0 */
ipath_cvt_physportstate[dd->ipath_lastibcstat &
@@ -1195,9 +1197,9 @@
props->bad_pkey_cntr = ipath_get_cr_errpkey(dd) -
dev->z_pkey_violations;
props->qkey_viol_cntr = dev->qkey_violations;
- props->active_width = IB_WIDTH_4X;
+ props->active_width = dd->ipath_link_width_active;
/* See rate_show() */
- props->active_speed = 1; /* Regular 10Mbs speed. */
+ props->active_speed = dd->ipath_link_speed_active;
props->max_vl_num = 1; /* VLCap = VL0 */
props->init_type_reply = 0;
@@ -1629,12 +1631,13 @@
idev->pending_index = 0;
idev->port_cap_flags =
IB_PORT_SYS_IMAGE_GUID_SUP | IB_PORT_CLIENT_REG_SUP;
+ if (dd->ipath_flags & IPATH_HAS_LINK_LATENCY)
+ idev->port_cap_flags |= IB_PORT_LINK_LATENCY_SUP;
idev->pma_counter_select[0] = IB_PMA_PORT_XMIT_DATA;
idev->pma_counter_select[1] = IB_PMA_PORT_RCV_DATA;
idev->pma_counter_select[2] = IB_PMA_PORT_XMIT_PKTS;
idev->pma_counter_select[3] = IB_PMA_PORT_RCV_PKTS;
idev->pma_counter_select[4] = IB_PMA_PORT_XMIT_WAIT;
- idev->link_width_enabled = 3; /* 1x or 4x */
/* Snapshot current HW counters to "clear" them. */
ipath_get_counters(dd, &cntrs);