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Commit 944b787d authored by Tom Jackson's avatar Tom Jackson Committed by Dan Williams
Browse files

isci: Don't filter BROADCAST CHANGE primitives 



Per the SAS spec, several types of BROADCAST CHANGE primitives
must cause re-discovery of the originating expander.
Only the standard BROADCAST CHANGE primitive was being
sent to the LIBSAS layer.  The other BC primitives have been
added to the sci_phy_event_handler()

Signed-off-by: default avatarTom Jackson <thomas.p.jackson@intel.com>
Signed-off-by: default avatarDan Williams <dan.j.williams@intel.com>
parent c79dd80d

drivers/scsi/isci/phy.c

+7 −0
Original line number Diff line number Diff line
@@ -875,12 +875,19 @@ enum sci_status sci_phy_event_handler(struct isci_phy *iphy, u32 event_code) 
			sci_change_state(&iphy->sm, SCI_PHY_STARTING);

			break;

		case SCU_EVENT_BROADCAST_CHANGE:

		case SCU_EVENT_BROADCAST_SES:

		case SCU_EVENT_BROADCAST_RESERVED0:

		case SCU_EVENT_BROADCAST_RESERVED1:

		case SCU_EVENT_BROADCAST_EXPANDER:

		case SCU_EVENT_BROADCAST_AEN:

			/* Broadcast change received. Notify the port. */

			if (phy_get_non_dummy_port(iphy) != NULL)

				sci_port_broadcast_change_received(iphy->owning_port, iphy);

			else

				iphy->bcn_received_while_port_unassigned = true;

			break;

		case SCU_EVENT_BROADCAST_RESERVED3:

		case SCU_EVENT_BROADCAST_RESERVED4:

		default:

			phy_event_warn(iphy, state, event_code);

			return SCI_FAILURE_INVALID_STATE;