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Commit e57d62a1 authored by Hoang-Nam Nguyen's avatar Hoang-Nam Nguyen Committed by Roland Dreier
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IB/ehca: Forward event client-reregister-required to registered clients 



This patch allows ehca to forward event client-reregister-required to
registered clients.  One such event is generated by a switch eg. after
its reboot.

Signed-off-by: default avatarHoang-Nam Nguyen <hnguyen@de.ibm.com>
Signed-off-by: default avatarRoland Dreier <rolandd@cisco.com>
parent b3226184

drivers/infiniband/hw/ehca/ehca_irq.c

+12 −0
Original line number Diff line number Diff line
@@ -62,6 +62,7 @@ 
#define NEQE_PORT_NUMBER       EHCA_BMASK_IBM( 8, 15)

#define NEQE_PORT_AVAILABILITY EHCA_BMASK_IBM(16, 16)

#define NEQE_DISRUPTIVE        EHCA_BMASK_IBM(16, 16)

#define NEQE_SPECIFIC_EVENT    EHCA_BMASK_IBM(16, 23)



#define ERROR_DATA_LENGTH      EHCA_BMASK_IBM(52, 63)

#define ERROR_DATA_TYPE        EHCA_BMASK_IBM( 0,  7)
@@ -354,6 +355,7 @@ static void parse_ec(struct ehca_shca *shca, u64 eqe) 
{

	u8 ec   = EHCA_BMASK_GET(NEQE_EVENT_CODE, eqe);

	u8 port = EHCA_BMASK_GET(NEQE_PORT_NUMBER, eqe);

	u8 spec_event;



	switch (ec) {

	case 0x30: /* port availability change */
@@ -394,6 +396,16 @@ static void parse_ec(struct ehca_shca *shca, u64 eqe) 
	case 0x33:  /* trace stopped */

		ehca_err(&shca->ib_device, "Traced stopped.");

		break;

	case 0x34: /* util async event */

		spec_event = EHCA_BMASK_GET(NEQE_SPECIFIC_EVENT, eqe);

		if (spec_event == 0x80) /* client reregister required */

			dispatch_port_event(shca, port,

					    IB_EVENT_CLIENT_REREGISTER,

					    "client reregister req.");

		else

			ehca_warn(&shca->ib_device, "Unknown util async "

				  "event %x on port %x", spec_event, port);

		break;

	default:

		ehca_err(&shca->ib_device, "Unknown event code: %x on %s.",

			 ec, shca->ib_device.name);