Merge branches 'cma', 'cxgb3', 'cxgb4', 'ehca', 'iser', 'mad', 'nes', 'qib', 'srp' and 'srpt' into for-next

drivers/infiniband/core/mad.c

@@ -1842,6 +1842,24 @@ static void ib_mad_complete_recv(struct ib_mad_agent_private *mad_agent_priv,
 	}
 }
 
+static bool generate_unmatched_resp(struct ib_mad_private *recv,
+				    struct ib_mad_private *response)
+{
+	if (recv->mad.mad.mad_hdr.method == IB_MGMT_METHOD_GET ||
+	    recv->mad.mad.mad_hdr.method == IB_MGMT_METHOD_SET) {
+		memcpy(response, recv, sizeof *response);
+		response->header.recv_wc.wc = &response->header.wc;
+		response->header.recv_wc.recv_buf.mad = &response->mad.mad;
+		response->header.recv_wc.recv_buf.grh = &response->grh;
+		response->mad.mad.mad_hdr.method = IB_MGMT_METHOD_GET_RESP;
+		response->mad.mad.mad_hdr.status =
+			cpu_to_be16(IB_MGMT_MAD_STATUS_UNSUPPORTED_METHOD_ATTRIB);
+
+		return true;
+	} else {
+		return false;
+	}
+}
 static void ib_mad_recv_done_handler(struct ib_mad_port_private *port_priv,
 				     struct ib_wc *wc)
 {
@@ -1963,6 +1981,9 @@ local:
 		 * or via recv_handler in ib_mad_complete_recv()
 		 */
 		recv = NULL;
+	} else if (generate_unmatched_resp(recv, response)) {
+		agent_send_response(&response->mad.mad, &recv->grh, wc,
+				    port_priv->device, port_num, qp_info->qp->qp_num);
 	}
 
 out:

drivers/infiniband/core/ucma.c

@@ -449,24 +449,6 @@ static void ucma_cleanup_multicast(struct ucma_context *ctx)
 	mutex_unlock(&mut);
 }
 
-static void ucma_cleanup_events(struct ucma_context *ctx)
-{
-	struct ucma_event *uevent, *tmp;
-
-	list_for_each_entry_safe(uevent, tmp, &ctx->file->event_list, list) {
-		if (uevent->ctx != ctx)
-			continue;
-
-		list_del(&uevent->list);
-
-		/* clear incoming connections. */
-		if (uevent->resp.event == RDMA_CM_EVENT_CONNECT_REQUEST)
-			rdma_destroy_id(uevent->cm_id);
-
-		kfree(uevent);
-	}
-}
-
 static void ucma_cleanup_mc_events(struct ucma_multicast *mc)
 {
 	struct ucma_event *uevent, *tmp;
@@ -480,9 +462,16 @@ static void ucma_cleanup_mc_events(struct ucma_multicast *mc)
 	}
 }
 
+/*
+ * We cannot hold file->mut when calling rdma_destroy_id() or we can
+ * deadlock.  We also acquire file->mut in ucma_event_handler(), and
+ * rdma_destroy_id() will wait until all callbacks have completed.
+ */
 static int ucma_free_ctx(struct ucma_context *ctx)
 {
 	int events_reported;
+	struct ucma_event *uevent, *tmp;
+	LIST_HEAD(list);
 
 	/* No new events will be generated after destroying the id. */
 	rdma_destroy_id(ctx->cm_id);
@@ -491,10 +480,20 @@ static int ucma_free_ctx(struct ucma_context *ctx)
 
 	/* Cleanup events not yet reported to the user. */
 	mutex_lock(&ctx->file->mut);
-	ucma_cleanup_events(ctx);
+	list_for_each_entry_safe(uevent, tmp, &ctx->file->event_list, list) {
+		if (uevent->ctx == ctx)
+			list_move_tail(&uevent->list, &list);
+	}
 	list_del(&ctx->list);
 	mutex_unlock(&ctx->file->mut);
 
+	list_for_each_entry_safe(uevent, tmp, &list, list) {
+		list_del(&uevent->list);
+		if (uevent->resp.event == RDMA_CM_EVENT_CONNECT_REQUEST)
+			rdma_destroy_id(uevent->cm_id);
+		kfree(uevent);
+	}
+
 	events_reported = ctx->events_reported;
 	kfree(ctx);
 	return events_reported;

drivers/infiniband/hw/cxgb3/iwch_qp.c

@@ -803,7 +803,7 @@ int iwch_post_terminate(struct iwch_qp *qhp, struct respQ_msg_t *rsp_msg)
  * Assumes qhp lock is held.
  */
 static void __flush_qp(struct iwch_qp *qhp, struct iwch_cq *rchp,
-				struct iwch_cq *schp, unsigned long *flag)
+				struct iwch_cq *schp)
 {
 	int count;
 	int flushed;
@@ -812,44 +812,44 @@ static void __flush_qp(struct iwch_qp *qhp, struct iwch_cq *rchp,
 	PDBG("%s qhp %p rchp %p schp %p\n", __func__, qhp, rchp, schp);
 	/* take a ref on the qhp since we must release the lock */
 	atomic_inc(&qhp->refcnt);
-	spin_unlock_irqrestore(&qhp->lock, *flag);
+	spin_unlock(&qhp->lock);
 
 	/* locking hierarchy: cq lock first, then qp lock. */
-	spin_lock_irqsave(&rchp->lock, *flag);
+	spin_lock(&rchp->lock);
 	spin_lock(&qhp->lock);
 	cxio_flush_hw_cq(&rchp->cq);
 	cxio_count_rcqes(&rchp->cq, &qhp->wq, &count);
 	flushed = cxio_flush_rq(&qhp->wq, &rchp->cq, count);
 	spin_unlock(&qhp->lock);
-	spin_unlock_irqrestore(&rchp->lock, *flag);
+	spin_unlock(&rchp->lock);
 	if (flushed) {
-		spin_lock_irqsave(&rchp->comp_handler_lock, *flag);
+		spin_lock(&rchp->comp_handler_lock);
 		(*rchp->ibcq.comp_handler)(&rchp->ibcq, rchp->ibcq.cq_context);
-		spin_unlock_irqrestore(&rchp->comp_handler_lock, *flag);
+		spin_unlock(&rchp->comp_handler_lock);
 	}
 
 	/* locking hierarchy: cq lock first, then qp lock. */
-	spin_lock_irqsave(&schp->lock, *flag);
+	spin_lock(&schp->lock);
 	spin_lock(&qhp->lock);
 	cxio_flush_hw_cq(&schp->cq);
 	cxio_count_scqes(&schp->cq, &qhp->wq, &count);
 	flushed = cxio_flush_sq(&qhp->wq, &schp->cq, count);
 	spin_unlock(&qhp->lock);
-	spin_unlock_irqrestore(&schp->lock, *flag);
+	spin_unlock(&schp->lock);
 	if (flushed) {
-		spin_lock_irqsave(&schp->comp_handler_lock, *flag);
+		spin_lock(&schp->comp_handler_lock);
 		(*schp->ibcq.comp_handler)(&schp->ibcq, schp->ibcq.cq_context);
-		spin_unlock_irqrestore(&schp->comp_handler_lock, *flag);
+		spin_unlock(&schp->comp_handler_lock);
 	}
 
 	/* deref */
 	if (atomic_dec_and_test(&qhp->refcnt))
 	        wake_up(&qhp->wait);
 
-	spin_lock_irqsave(&qhp->lock, *flag);
+	spin_lock(&qhp->lock);
 }
 
-static void flush_qp(struct iwch_qp *qhp, unsigned long *flag)
+static void flush_qp(struct iwch_qp *qhp)
 {
 	struct iwch_cq *rchp, *schp;
 
@@ -859,19 +859,19 @@ static void flush_qp(struct iwch_qp *qhp, unsigned long *flag)
 	if (qhp->ibqp.uobject) {
 		cxio_set_wq_in_error(&qhp->wq);
 		cxio_set_cq_in_error(&rchp->cq);
-		spin_lock_irqsave(&rchp->comp_handler_lock, *flag);
+		spin_lock(&rchp->comp_handler_lock);
 		(*rchp->ibcq.comp_handler)(&rchp->ibcq, rchp->ibcq.cq_context);
-		spin_unlock_irqrestore(&rchp->comp_handler_lock, *flag);
+		spin_unlock(&rchp->comp_handler_lock);
 		if (schp != rchp) {
 			cxio_set_cq_in_error(&schp->cq);
-			spin_lock_irqsave(&schp->comp_handler_lock, *flag);
+			spin_lock(&schp->comp_handler_lock);
 			(*schp->ibcq.comp_handler)(&schp->ibcq,
 						   schp->ibcq.cq_context);
-			spin_unlock_irqrestore(&schp->comp_handler_lock, *flag);
+			spin_unlock(&schp->comp_handler_lock);
 		}
 		return;
 	}
-	__flush_qp(qhp, rchp, schp, flag);
+	__flush_qp(qhp, rchp, schp);
 }
 
 
@@ -1030,7 +1030,7 @@ int iwch_modify_qp(struct iwch_dev *rhp, struct iwch_qp *qhp,
 			break;
 		case IWCH_QP_STATE_ERROR:
 			qhp->attr.state = IWCH_QP_STATE_ERROR;
-			flush_qp(qhp, &flag);
+			flush_qp(qhp);
 			break;
 		default:
 			ret = -EINVAL;
@@ -1078,7 +1078,7 @@ int iwch_modify_qp(struct iwch_dev *rhp, struct iwch_qp *qhp,
 		}
 		switch (attrs->next_state) {
 			case IWCH_QP_STATE_IDLE:
-				flush_qp(qhp, &flag);
+				flush_qp(qhp);
 				qhp->attr.state = IWCH_QP_STATE_IDLE;
 				qhp->attr.llp_stream_handle = NULL;
 				put_ep(&qhp->ep->com);
@@ -1132,7 +1132,7 @@ err:
 	free=1;
 	wake_up(&qhp->wait);
 	BUG_ON(!ep);
-	flush_qp(qhp, &flag);
+	flush_qp(qhp);
 out:
 	spin_unlock_irqrestore(&qhp->lock, flag);
 

drivers/infiniband/hw/cxgb4/cm.c

@@ -1114,7 +1114,7 @@ static void process_mpa_reply(struct c4iw_ep *ep, struct sk_buff *skb)
 	 * generated when moving QP to RTS state.
 	 * A TERM message will be sent after QP has moved to RTS state
 	 */
-	if ((ep->mpa_attr.version == 2) &&
+	if ((ep->mpa_attr.version == 2) && peer2peer &&
 			(ep->mpa_attr.p2p_type != p2p_type)) {
 		ep->mpa_attr.p2p_type = FW_RI_INIT_P2PTYPE_DISABLED;
 		rtr_mismatch = 1;

drivers/infiniband/hw/ehca/ehca_irq.c

@@ -786,7 +786,8 @@ static struct task_struct *create_comp_task(struct ehca_comp_pool *pool,
 	spin_lock_init(&cct->task_lock);
 	INIT_LIST_HEAD(&cct->cq_list);
 	init_waitqueue_head(&cct->wait_queue);
-	cct->task = kthread_create(comp_task, cct, "ehca_comp/%d", cpu);
+	cct->task = kthread_create_on_node(comp_task, cct, cpu_to_node(cpu),
+					   "ehca_comp/%d", cpu);
 
 	return cct->task;
 }

drivers/infiniband/hw/ehca/ehca_mrmw.c

@@ -112,7 +112,7 @@ static u32 ehca_encode_hwpage_size(u32 pgsize)
 
 static u64 ehca_get_max_hwpage_size(struct ehca_shca *shca)
 {
-	return 1UL << ilog2(shca->hca_cap_mr_pgsize);
+	return rounddown_pow_of_two(shca->hca_cap_mr_pgsize);
 }
 
 static struct ehca_mr *ehca_mr_new(void)

drivers/infiniband/hw/nes/nes_cm.c

@@ -338,18 +338,21 @@ static int parse_mpa(struct nes_cm_node *cm_node, u8 *buffer, u32 *type,
 	case IETF_MPA_V2: {
 		u16 ird_size;
 		u16 ord_size;
+		u16 rtr_ctrl_ird;
+		u16 rtr_ctrl_ord;
+
 		mpa_v2_frame = (struct ietf_mpa_v2 *)buffer;
 		mpa_hdr_len += IETF_RTR_MSG_SIZE;
 		cm_node->mpa_frame_size -= IETF_RTR_MSG_SIZE;
 		rtr_msg = &mpa_v2_frame->rtr_msg;
 
 		/* parse rtr message */
-		rtr_msg->ctrl_ird = ntohs(rtr_msg->ctrl_ird);
-		rtr_msg->ctrl_ord = ntohs(rtr_msg->ctrl_ord);
-		ird_size = rtr_msg->ctrl_ird & IETF_NO_IRD_ORD;
-		ord_size = rtr_msg->ctrl_ord & IETF_NO_IRD_ORD;
+		rtr_ctrl_ird = ntohs(rtr_msg->ctrl_ird);
+		rtr_ctrl_ord = ntohs(rtr_msg->ctrl_ord);
+		ird_size = rtr_ctrl_ird & IETF_NO_IRD_ORD;
+		ord_size = rtr_ctrl_ord & IETF_NO_IRD_ORD;
 
-		if (!(rtr_msg->ctrl_ird & IETF_PEER_TO_PEER)) {
+		if (!(rtr_ctrl_ird & IETF_PEER_TO_PEER)) {
 			/* send reset */
 			return -EINVAL;
 		}
@@ -370,9 +373,9 @@ static int parse_mpa(struct nes_cm_node *cm_node, u8 *buffer, u32 *type,
 			}
 		}
 
-		if (rtr_msg->ctrl_ord & IETF_RDMA0_READ) {
+		if (rtr_ctrl_ord & IETF_RDMA0_READ) {
 			cm_node->send_rdma0_op = SEND_RDMA_READ_ZERO;
-		} else if (rtr_msg->ctrl_ord & IETF_RDMA0_WRITE) {
+		} else if (rtr_ctrl_ord & IETF_RDMA0_WRITE) {
 			cm_node->send_rdma0_op = SEND_RDMA_WRITE_ZERO;
 		} else {        /* Not supported RDMA0 operation */
 			return -EINVAL;
@@ -543,6 +546,8 @@ static void build_mpa_v2(struct nes_cm_node *cm_node,
 {
 	struct ietf_mpa_v2 *mpa_frame = (struct ietf_mpa_v2 *)start_addr;
 	struct ietf_rtr_msg *rtr_msg = &mpa_frame->rtr_msg;
+	u16 ctrl_ird;
+	u16 ctrl_ord;
 
 	/* initialize the upper 5 bytes of the frame */
 	build_mpa_v1(cm_node, start_addr, mpa_key);
@@ -550,31 +555,31 @@ static void build_mpa_v2(struct nes_cm_node *cm_node,
 	mpa_frame->priv_data_len += htons(IETF_RTR_MSG_SIZE);
 
 	/* initialize RTR msg */
-	rtr_msg->ctrl_ird = (cm_node->ird_size > IETF_NO_IRD_ORD) ?
+	ctrl_ird = (cm_node->ird_size > IETF_NO_IRD_ORD) ?
 			    IETF_NO_IRD_ORD : cm_node->ird_size;
-	rtr_msg->ctrl_ord = (cm_node->ord_size > IETF_NO_IRD_ORD) ?
+	ctrl_ord = (cm_node->ord_size > IETF_NO_IRD_ORD) ?
 			    IETF_NO_IRD_ORD : cm_node->ord_size;
 
-	rtr_msg->ctrl_ird |= IETF_PEER_TO_PEER;
-	rtr_msg->ctrl_ird |= IETF_FLPDU_ZERO_LEN;
+	ctrl_ird |= IETF_PEER_TO_PEER;
+	ctrl_ird |= IETF_FLPDU_ZERO_LEN;
 
 	switch (mpa_key) {
 	case MPA_KEY_REQUEST:
-		rtr_msg->ctrl_ord |= IETF_RDMA0_WRITE;
-		rtr_msg->ctrl_ord |= IETF_RDMA0_READ;
+		ctrl_ord |= IETF_RDMA0_WRITE;
+		ctrl_ord |= IETF_RDMA0_READ;
 		break;
 	case MPA_KEY_REPLY:
 		switch (cm_node->send_rdma0_op) {
 		case SEND_RDMA_WRITE_ZERO:
-			rtr_msg->ctrl_ord |= IETF_RDMA0_WRITE;
+			ctrl_ord |= IETF_RDMA0_WRITE;
 			break;
 		case SEND_RDMA_READ_ZERO:
-			rtr_msg->ctrl_ord |= IETF_RDMA0_READ;
+			ctrl_ord |= IETF_RDMA0_READ;
 			break;
 		}
 	}
-	rtr_msg->ctrl_ird = htons(rtr_msg->ctrl_ird);
-	rtr_msg->ctrl_ord = htons(rtr_msg->ctrl_ord);
+	rtr_msg->ctrl_ird = htons(ctrl_ird);
+	rtr_msg->ctrl_ord = htons(ctrl_ord);
 }
 
 /**

drivers/infiniband/hw/qib/qib.h

@@ -427,6 +427,14 @@ struct qib_verbs_txreq {
 /* how often we check for packet activity for "power on hours (in seconds) */
 #define ACTIVITY_TIMER 5
 
+#define MAX_NAME_SIZE 64
+struct qib_msix_entry {
+	struct msix_entry msix;
+	void *arg;
+	char name[MAX_NAME_SIZE];
+	cpumask_var_t mask;
+};
+
 /* Below is an opaque struct. Each chip (device) can maintain
  * private data needed for its operation, but not germane to the
  * rest of the driver.  For convenience, we define another that
@@ -1355,7 +1363,7 @@ int qib_pcie_init(struct pci_dev *, const struct pci_device_id *);
 int qib_pcie_ddinit(struct qib_devdata *, struct pci_dev *,
 		    const struct pci_device_id *);
 void qib_pcie_ddcleanup(struct qib_devdata *);
-int qib_pcie_params(struct qib_devdata *, u32, u32 *, struct msix_entry *);
+int qib_pcie_params(struct qib_devdata *, u32, u32 *, struct qib_msix_entry *);
 int qib_reinit_intr(struct qib_devdata *);
 void qib_enable_intx(struct pci_dev *);
 void qib_nomsi(struct qib_devdata *);

drivers/infiniband/hw/qib/qib_iba7322.c

@@ -541,8 +541,7 @@ struct qib_chip_specific {
 	u32 lastbuf_for_pio;
 	u32 stay_in_freeze;
 	u32 recovery_ports_initted;
-	struct msix_entry *msix_entries;
-	void  **msix_arg;
+	struct qib_msix_entry *msix_entries;
 	unsigned long *sendchkenable;
 	unsigned long *sendgrhchk;
 	unsigned long *sendibchk;
@@ -639,24 +638,24 @@ static struct {
 	int lsb;
 	int port; /* 0 if not port-specific, else port # */
 } irq_table[] = {
-	{ QIB_DRV_NAME, qib_7322intr, -1, 0 },
-	{ QIB_DRV_NAME " (buf avail)", qib_7322bufavail,
+	{ "", qib_7322intr, -1, 0 },
+	{ " (buf avail)", qib_7322bufavail,
 		SYM_LSB(IntStatus, SendBufAvail), 0 },
-	{ QIB_DRV_NAME " (sdma 0)", sdma_intr,
+	{ " (sdma 0)", sdma_intr,
 		SYM_LSB(IntStatus, SDmaInt_0), 1 },
-	{ QIB_DRV_NAME " (sdma 1)", sdma_intr,
+	{ " (sdma 1)", sdma_intr,
 		SYM_LSB(IntStatus, SDmaInt_1), 2 },
-	{ QIB_DRV_NAME " (sdmaI 0)", sdma_idle_intr,
+	{ " (sdmaI 0)", sdma_idle_intr,
 		SYM_LSB(IntStatus, SDmaIdleInt_0), 1 },
-	{ QIB_DRV_NAME " (sdmaI 1)", sdma_idle_intr,
+	{ " (sdmaI 1)", sdma_idle_intr,
 		SYM_LSB(IntStatus, SDmaIdleInt_1), 2 },
-	{ QIB_DRV_NAME " (sdmaP 0)", sdma_progress_intr,
+	{ " (sdmaP 0)", sdma_progress_intr,
 		SYM_LSB(IntStatus, SDmaProgressInt_0), 1 },
-	{ QIB_DRV_NAME " (sdmaP 1)", sdma_progress_intr,
+	{ " (sdmaP 1)", sdma_progress_intr,
 		SYM_LSB(IntStatus, SDmaProgressInt_1), 2 },
-	{ QIB_DRV_NAME " (sdmaC 0)", sdma_cleanup_intr,
+	{ " (sdmaC 0)", sdma_cleanup_intr,
 		SYM_LSB(IntStatus, SDmaCleanupDone_0), 1 },
-	{ QIB_DRV_NAME " (sdmaC 1)", sdma_cleanup_intr,
+	{ " (sdmaC 1)", sdma_cleanup_intr,
 		SYM_LSB(IntStatus, SDmaCleanupDone_1), 2 },
 };
 
@@ -2567,9 +2566,13 @@ static void qib_7322_nomsix(struct qib_devdata *dd)
 		int i;
 
 		dd->cspec->num_msix_entries = 0;
-		for (i = 0; i < n; i++)
-			free_irq(dd->cspec->msix_entries[i].vector,
-				 dd->cspec->msix_arg[i]);
+		for (i = 0; i < n; i++) {
+			irq_set_affinity_hint(
+			  dd->cspec->msix_entries[i].msix.vector, NULL);
+			free_cpumask_var(dd->cspec->msix_entries[i].mask);
+			free_irq(dd->cspec->msix_entries[i].msix.vector,
+			   dd->cspec->msix_entries[i].arg);
+		}
 		qib_nomsix(dd);
 	}
 	/* make sure no MSIx interrupts are left pending */
@@ -2597,7 +2600,6 @@ static void qib_setup_7322_cleanup(struct qib_devdata *dd)
 	kfree(dd->cspec->sendgrhchk);
 	kfree(dd->cspec->sendibchk);
 	kfree(dd->cspec->msix_entries);
-	kfree(dd->cspec->msix_arg);
 	for (i = 0; i < dd->num_pports; i++) {
 		unsigned long flags;
 		u32 mask = QSFP_GPIO_MOD_PRS_N |
@@ -3070,6 +3072,8 @@ static void qib_setup_7322_interrupt(struct qib_devdata *dd, int clearpend)
 	int ret, i, msixnum;
 	u64 redirect[6];
 	u64 mask;
+	const struct cpumask *local_mask;
+	int firstcpu, secondcpu = 0, currrcvcpu = 0;
 
 	if (!dd->num_pports)
 		return;
@@ -3118,13 +3122,28 @@ try_intx:
 	memset(redirect, 0, sizeof redirect);
 	mask = ~0ULL;
 	msixnum = 0;
+	local_mask = cpumask_of_pcibus(dd->pcidev->bus);
+	firstcpu = cpumask_first(local_mask);
+	if (firstcpu >= nr_cpu_ids ||
+			cpumask_weight(local_mask) == num_online_cpus()) {
+		local_mask = topology_core_cpumask(0);
+		firstcpu = cpumask_first(local_mask);
+	}
+	if (firstcpu < nr_cpu_ids) {
+		secondcpu = cpumask_next(firstcpu, local_mask);
+		if (secondcpu >= nr_cpu_ids)
+			secondcpu = firstcpu;
+		currrcvcpu = secondcpu;
+	}
 	for (i = 0; msixnum < dd->cspec->num_msix_entries; i++) {
 		irq_handler_t handler;
-		const char *name;
 		void *arg;
 		u64 val;
 		int lsb, reg, sh;
 
+		dd->cspec->msix_entries[msixnum].
+			name[sizeof(dd->cspec->msix_entries[msixnum].name) - 1]
+			= '\0';
 		if (i < ARRAY_SIZE(irq_table)) {
 			if (irq_table[i].port) {
 				/* skip if for a non-configured port */
@@ -3135,7 +3154,11 @@ try_intx:
 				arg = dd;
 			lsb = irq_table[i].lsb;
 			handler = irq_table[i].handler;
-			name = irq_table[i].name;
+			snprintf(dd->cspec->msix_entries[msixnum].name,
+				sizeof(dd->cspec->msix_entries[msixnum].name)
+				 - 1,
+				QIB_DRV_NAME "%d%s", dd->unit,
+				irq_table[i].name);
 		} else {
 			unsigned ctxt;
 
@@ -3148,23 +3171,28 @@ try_intx:
 				continue;
 			lsb = QIB_I_RCVAVAIL_LSB + ctxt;
 			handler = qib_7322pintr;
-			name = QIB_DRV_NAME " (kctx)";
+			snprintf(dd->cspec->msix_entries[msixnum].name,
+				sizeof(dd->cspec->msix_entries[msixnum].name)
+				 - 1,
+				QIB_DRV_NAME "%d (kctx)", dd->unit);
 		}
-		ret = request_irq(dd->cspec->msix_entries[msixnum].vector,
-				  handler, 0, name, arg);
+		ret = request_irq(
+			dd->cspec->msix_entries[msixnum].msix.vector,
+			handler, 0, dd->cspec->msix_entries[msixnum].name,
+			arg);
 		if (ret) {
 			/*
 			 * Shouldn't happen since the enable said we could
 			 * have as many as we are trying to setup here.
 			 */
 			qib_dev_err(dd, "Couldn't setup MSIx "
-				    "interrupt (vec=%d, irq=%d): %d\n", msixnum,
-				    dd->cspec->msix_entries[msixnum].vector,
-				    ret);
+				"interrupt (vec=%d, irq=%d): %d\n", msixnum,
+				dd->cspec->msix_entries[msixnum].msix.vector,
+				ret);
 			qib_7322_nomsix(dd);
 			goto try_intx;
 		}
-		dd->cspec->msix_arg[msixnum] = arg;
+		dd->cspec->msix_entries[msixnum].arg = arg;
 		if (lsb >= 0) {
 			reg = lsb / IBA7322_REDIRECT_VEC_PER_REG;
 			sh = (lsb % IBA7322_REDIRECT_VEC_PER_REG) *
@@ -3174,6 +3202,25 @@ try_intx:
 		}
 		val = qib_read_kreg64(dd, 2 * msixnum + 1 +
 			(QIB_7322_MsixTable_OFFS / sizeof(u64)));
+		if (firstcpu < nr_cpu_ids &&
+			zalloc_cpumask_var(
+				&dd->cspec->msix_entries[msixnum].mask,
+				GFP_KERNEL)) {
+			if (handler == qib_7322pintr) {
+				cpumask_set_cpu(currrcvcpu,
+					dd->cspec->msix_entries[msixnum].mask);
+				currrcvcpu = cpumask_next(currrcvcpu,
+					local_mask);
+				if (currrcvcpu >= nr_cpu_ids)
+					currrcvcpu = secondcpu;
+			} else {
+				cpumask_set_cpu(firstcpu,
+					dd->cspec->msix_entries[msixnum].mask);
+			}
+			irq_set_affinity_hint(
+				dd->cspec->msix_entries[msixnum].msix.vector,
+				dd->cspec->msix_entries[msixnum].mask);
+		}
 		msixnum++;
 	}
 	/* Initialize the vector mapping */
@@ -3365,7 +3412,7 @@ static int qib_do_7322_reset(struct qib_devdata *dd)
 	if (msix_entries) {
 		/* restore the MSIx vector address and data if saved above */
 		for (i = 0; i < msix_entries; i++) {
-			dd->cspec->msix_entries[i].entry = i;
+			dd->cspec->msix_entries[i].msix.entry = i;
 			if (!msix_vecsave || !msix_vecsave[2 * i])
 				continue;
 			qib_write_kreg(dd, 2 * i +
@@ -6865,15 +6912,13 @@ struct qib_devdata *qib_init_iba7322_funcs(struct pci_dev *pdev,
 
 	tabsize = actual_cnt;
 	dd->cspec->msix_entries = kmalloc(tabsize *
-			sizeof(struct msix_entry), GFP_KERNEL);
-	dd->cspec->msix_arg = kmalloc(tabsize *
-			sizeof(void *), GFP_KERNEL);
-	if (!dd->cspec->msix_entries || !dd->cspec->msix_arg) {
+			sizeof(struct qib_msix_entry), GFP_KERNEL);
+	if (!dd->cspec->msix_entries) {
 		qib_dev_err(dd, "No memory for MSIx table\n");
 		tabsize = 0;
 	}
 	for (i = 0; i < tabsize; i++)
-		dd->cspec->msix_entries[i].entry = i;
+		dd->cspec->msix_entries[i].msix.entry = i;
 
 	if (qib_pcie_params(dd, 8, &tabsize, dd->cspec->msix_entries))
 		qib_dev_err(dd, "Failed to setup PCIe or interrupts; "

drivers/infiniband/hw/qib/qib_mad.c

@@ -433,7 +433,6 @@ static int subn_get_portinfo(struct ib_smp *smp, struct ib_device *ibdev,
 	struct qib_pportdata *ppd;
 	struct qib_ibport *ibp;
 	struct ib_port_info *pip = (struct ib_port_info *)smp->data;
-	u16 lid;
 	u8 mtu;
 	int ret;
 	u32 state;
@@ -469,8 +468,7 @@ static int subn_get_portinfo(struct ib_smp *smp, struct ib_device *ibdev,
 	      ibp->mkeyprot == 1))
 		pip->mkey = ibp->mkey;
 	pip->gid_prefix = ibp->gid_prefix;
-	lid = ppd->lid;
-	pip->lid = lid ? cpu_to_be16(lid) : IB_LID_PERMISSIVE;
+	pip->lid = cpu_to_be16(ppd->lid);
 	pip->sm_lid = cpu_to_be16(ibp->sm_lid);
 	pip->cap_mask = cpu_to_be32(ibp->port_cap_flags);
 	/* pip->diag_code; */

drivers/infiniband/hw/qib/qib_pcie.c

@@ -194,11 +194,24 @@ void qib_pcie_ddcleanup(struct qib_devdata *dd)
 }
 
 static void qib_msix_setup(struct qib_devdata *dd, int pos, u32 *msixcnt,
-			   struct msix_entry *msix_entry)
+			   struct qib_msix_entry *qib_msix_entry)
 {
 	int ret;
 	u32 tabsize = 0;
 	u16 msix_flags;
+	struct msix_entry *msix_entry;
+	int i;
+
+	/* We can't pass qib_msix_entry array to qib_msix_setup
+	 * so use a dummy msix_entry array and copy the allocated
+	 * irq back to the qib_msix_entry array. */
+	msix_entry = kmalloc(*msixcnt * sizeof(*msix_entry), GFP_KERNEL);
+	if (!msix_entry) {
+		ret = -ENOMEM;
+		goto do_intx;
+	}
+	for (i = 0; i < *msixcnt; i++)
+		msix_entry[i] = qib_msix_entry[i].msix;
 
 	pci_read_config_word(dd->pcidev, pos + PCI_MSIX_FLAGS, &msix_flags);
 	tabsize = 1 + (msix_flags & PCI_MSIX_FLAGS_QSIZE);
@@ -209,11 +222,15 @@ static void qib_msix_setup(struct qib_devdata *dd, int pos, u32 *msixcnt,
 		tabsize = ret;
 		ret = pci_enable_msix(dd->pcidev, msix_entry, tabsize);
 	}
+do_intx:
 	if (ret) {
 		qib_dev_err(dd, "pci_enable_msix %d vectors failed: %d, "
 			    "falling back to INTx\n", tabsize, ret);
 		tabsize = 0;
 	}
+	for (i = 0; i < tabsize; i++)
+		qib_msix_entry[i].msix = msix_entry[i];
+	kfree(msix_entry);
 	*msixcnt = tabsize;
 
 	if (ret)
@@ -251,7 +268,7 @@ static int qib_msi_setup(struct qib_devdata *dd, int pos)
 }
 
 int qib_pcie_params(struct qib_devdata *dd, u32 minw, u32 *nent,
-		    struct msix_entry *entry)
+		    struct qib_msix_entry *entry)
 {
 	u16 linkstat, speed;
 	int pos = 0, pose, ret = 1;

drivers/infiniband/ulp/iser/iscsi_iser.c

@@ -364,6 +364,9 @@ iscsi_iser_conn_bind(struct iscsi_cls_session *cls_session,
 	}
 	ib_conn = ep->dd_data;
 
+	if (iser_alloc_rx_descriptors(ib_conn))
+		return -ENOMEM;
+
 	/* binds the iSER connection retrieved from the previously
 	 * connected ep_handle to the iSCSI layer connection. exchanges
 	 * connection pointers */
@@ -398,19 +401,6 @@ iscsi_iser_conn_stop(struct iscsi_cls_conn *cls_conn, int flag)
 	iser_conn->ib_conn = NULL;
 }
 
-static int
-iscsi_iser_conn_start(struct iscsi_cls_conn *cls_conn)
-{
-	struct iscsi_conn *conn = cls_conn->dd_data;
-	int err;
-
-	err = iser_conn_set_full_featured_mode(conn);
-	if (err)
-		return err;
-
-	return iscsi_conn_start(cls_conn);
-}
-
 static void iscsi_iser_session_destroy(struct iscsi_cls_session *cls_session)
 {
 	struct Scsi_Host *shost = iscsi_session_to_shost(cls_session);
@@ -724,7 +714,7 @@ static struct iscsi_transport iscsi_iser_transport = {
 	.get_conn_param		= iscsi_conn_get_param,
 	.get_ep_param		= iscsi_iser_get_ep_param,
 	.get_session_param	= iscsi_session_get_param,
-	.start_conn             = iscsi_iser_conn_start,
+	.start_conn             = iscsi_conn_start,
 	.stop_conn              = iscsi_iser_conn_stop,
 	/* iscsi host params */
 	.get_host_param		= iscsi_host_get_param,

drivers/infiniband/ulp/iser/iscsi_iser.h

@@ -366,4 +366,5 @@ int iser_dma_map_task_data(struct iscsi_iser_task *iser_task,
 void iser_dma_unmap_task_data(struct iscsi_iser_task *iser_task);
 int  iser_initialize_task_headers(struct iscsi_task *task,
 			struct iser_tx_desc *tx_desc);
+int iser_alloc_rx_descriptors(struct iser_conn *ib_conn);
 #endif

drivers/infiniband/ulp/iser/iser_initiator.c

@@ -170,7 +170,7 @@ static void iser_create_send_desc(struct iser_conn	*ib_conn,
 }
 
 
-static int iser_alloc_rx_descriptors(struct iser_conn *ib_conn)
+int iser_alloc_rx_descriptors(struct iser_conn *ib_conn)
 {
 	int i, j;
 	u64 dma_addr;
@@ -220,18 +220,6 @@ void iser_free_rx_descriptors(struct iser_conn *ib_conn)
 	struct iser_rx_desc *rx_desc;
 	struct iser_device *device = ib_conn->device;
 
-	if (ib_conn->login_buf) {
-		if (ib_conn->login_req_dma)
-			ib_dma_unmap_single(device->ib_device,
-				ib_conn->login_req_dma,
-				ISCSI_DEF_MAX_RECV_SEG_LEN, DMA_TO_DEVICE);
-		if (ib_conn->login_resp_dma)
-			ib_dma_unmap_single(device->ib_device,
-				ib_conn->login_resp_dma,
-				ISER_RX_LOGIN_SIZE, DMA_FROM_DEVICE);
-		kfree(ib_conn->login_buf);
-	}
-
 	if (!ib_conn->rx_descs)
 		return;
 
@@ -242,23 +230,24 @@ void iser_free_rx_descriptors(struct iser_conn *ib_conn)
 	kfree(ib_conn->rx_descs);
 }
 
-/**
- *  iser_conn_set_full_featured_mode - (iSER API)
- */
-int iser_conn_set_full_featured_mode(struct iscsi_conn *conn)
+static int iser_post_rx_bufs(struct iscsi_conn *conn, struct iscsi_hdr *req)
 {
 	struct iscsi_iser_conn *iser_conn = conn->dd_data;
 
-	iser_dbg("Initially post: %d\n", ISER_MIN_POSTED_RX);
-
-	/* Check that there is no posted recv or send buffers left - */
-	/* they must be consumed during the login phase */
-	BUG_ON(iser_conn->ib_conn->post_recv_buf_count != 0);
-	BUG_ON(atomic_read(&iser_conn->ib_conn->post_send_buf_count) != 0);
+	iser_dbg("req op %x flags %x\n", req->opcode, req->flags);
+	/* check if this is the last login - going to full feature phase */
+	if ((req->flags & ISCSI_FULL_FEATURE_PHASE) != ISCSI_FULL_FEATURE_PHASE)
+		return 0;
 
-	if (iser_alloc_rx_descriptors(iser_conn->ib_conn))
-		return -ENOMEM;
+	/*
+	 * Check that there is one posted recv buffer (for the last login
+	 * response) and no posted send buffers left - they must have been
+	 * consumed during previous login phases.
+	 */
+	WARN_ON(iser_conn->ib_conn->post_recv_buf_count != 1);
+	WARN_ON(atomic_read(&iser_conn->ib_conn->post_send_buf_count) != 0);
 
+	iser_dbg("Initially post: %d\n", ISER_MIN_POSTED_RX);
 	/* Initial post receive buffers */
 	if (iser_post_recvm(iser_conn->ib_conn, ISER_MIN_POSTED_RX))
 		return -ENOMEM;
@@ -438,6 +427,9 @@ int iser_send_control(struct iscsi_conn *conn,
 		err = iser_post_recvl(iser_conn->ib_conn);
 		if (err)
 			goto send_control_error;
+		err = iser_post_rx_bufs(conn, task->hdr);
+		if (err)
+			goto send_control_error;
 	}
 
 	err = iser_post_send(iser_conn->ib_conn, mdesc);

drivers/infiniband/ulp/iser/iser_verbs.c

@@ -274,6 +274,18 @@ static int iser_free_ib_conn_res(struct iser_conn *ib_conn, int can_destroy_id)
 	ib_conn->cma_id   = NULL;
 	kfree(ib_conn->page_vec);
 
+	if (ib_conn->login_buf) {
+		if (ib_conn->login_req_dma)
+			ib_dma_unmap_single(ib_conn->device->ib_device,
+				ib_conn->login_req_dma,
+				ISCSI_DEF_MAX_RECV_SEG_LEN, DMA_TO_DEVICE);
+		if (ib_conn->login_resp_dma)
+			ib_dma_unmap_single(ib_conn->device->ib_device,
+				ib_conn->login_resp_dma,
+				ISER_RX_LOGIN_SIZE, DMA_FROM_DEVICE);
+		kfree(ib_conn->login_buf);
+	}
+
 	return 0;
 }
 

drivers/infiniband/ulp/srp/ib_srp.c

@@ -30,6 +30,8 @@
  * SOFTWARE.
  */
 
+#define pr_fmt(fmt) PFX fmt
+
 #include <linux/module.h>
 #include <linux/init.h>
 #include <linux/slab.h>
@@ -165,7 +167,7 @@ static void srp_free_iu(struct srp_host *host, struct srp_iu *iu)
 
 static void srp_qp_event(struct ib_event *event, void *context)
 {
-	printk(KERN_ERR PFX "QP event %d\n", event->event);
+	pr_debug("QP event %d\n", event->event);
 }
 
 static int srp_init_qp(struct srp_target_port *target,
@@ -472,6 +474,21 @@ static void srp_free_req_data(struct srp_target_port *target)
 	}
 }
 
+/**
+ * srp_del_scsi_host_attr() - Remove attributes defined in the host template.
+ * @shost: SCSI host whose attributes to remove from sysfs.
+ *
+ * Note: Any attributes defined in the host template and that did not exist
+ * before invocation of this function will be ignored.
+ */
+static void srp_del_scsi_host_attr(struct Scsi_Host *shost)
+{
+	struct device_attribute **attr;
+
+	for (attr = shost->hostt->shost_attrs; attr && *attr; ++attr)
+		device_remove_file(&shost->shost_dev, *attr);
+}
+
 static void srp_remove_work(struct work_struct *work)
 {
 	struct srp_target_port *target =
@@ -484,6 +501,7 @@ static void srp_remove_work(struct work_struct *work)
 	list_del(&target->list);
 	spin_unlock(&target->srp_host->target_lock);
 
+	srp_del_scsi_host_attr(target->scsi_host);
 	srp_remove_host(target->scsi_host);
 	scsi_remove_host(target->scsi_host);
 	ib_destroy_cm_id(target->cm_id);
@@ -1676,10 +1694,6 @@ static ssize_t show_id_ext(struct device *dev, struct device_attribute *attr,
 {
 	struct srp_target_port *target = host_to_target(class_to_shost(dev));
 
-	if (target->state == SRP_TARGET_DEAD ||
-	    target->state == SRP_TARGET_REMOVED)
-		return -ENODEV;
-
 	return sprintf(buf, "0x%016llx\n",
 		       (unsigned long long) be64_to_cpu(target->id_ext));
 }
@@ -1689,10 +1703,6 @@ static ssize_t show_ioc_guid(struct device *dev, struct device_attribute *attr,
 {
 	struct srp_target_port *target = host_to_target(class_to_shost(dev));
 
-	if (target->state == SRP_TARGET_DEAD ||
-	    target->state == SRP_TARGET_REMOVED)
-		return -ENODEV;
-
 	return sprintf(buf, "0x%016llx\n",
 		       (unsigned long long) be64_to_cpu(target->ioc_guid));
 }
@@ -1702,10 +1712,6 @@ static ssize_t show_service_id(struct device *dev,
 {
 	struct srp_target_port *target = host_to_target(class_to_shost(dev));
 
-	if (target->state == SRP_TARGET_DEAD ||
-	    target->state == SRP_TARGET_REMOVED)
-		return -ENODEV;
-
 	return sprintf(buf, "0x%016llx\n",
 		       (unsigned long long) be64_to_cpu(target->service_id));
 }
@@ -1715,10 +1721,6 @@ static ssize_t show_pkey(struct device *dev, struct device_attribute *attr,
 {
 	struct srp_target_port *target = host_to_target(class_to_shost(dev));
 
-	if (target->state == SRP_TARGET_DEAD ||
-	    target->state == SRP_TARGET_REMOVED)
-		return -ENODEV;
-
 	return sprintf(buf, "0x%04x\n", be16_to_cpu(target->path.pkey));
 }
 
@@ -1727,10 +1729,6 @@ static ssize_t show_dgid(struct device *dev, struct device_attribute *attr,
 {
 	struct srp_target_port *target = host_to_target(class_to_shost(dev));
 
-	if (target->state == SRP_TARGET_DEAD ||
-	    target->state == SRP_TARGET_REMOVED)
-		return -ENODEV;
-
 	return sprintf(buf, "%pI6\n", target->path.dgid.raw);
 }
 
@@ -1739,10 +1737,6 @@ static ssize_t show_orig_dgid(struct device *dev,
 {
 	struct srp_target_port *target = host_to_target(class_to_shost(dev));
 
-	if (target->state == SRP_TARGET_DEAD ||
-	    target->state == SRP_TARGET_REMOVED)
-		return -ENODEV;
-
 	return sprintf(buf, "%pI6\n", target->orig_dgid);
 }
 
@@ -1751,10 +1745,6 @@ static ssize_t show_req_lim(struct device *dev,
 {
 	struct srp_target_port *target = host_to_target(class_to_shost(dev));
 
-	if (target->state == SRP_TARGET_DEAD ||
-	    target->state == SRP_TARGET_REMOVED)
-		return -ENODEV;
-
 	return sprintf(buf, "%d\n", target->req_lim);
 }
 
@@ -1763,10 +1753,6 @@ static ssize_t show_zero_req_lim(struct device *dev,
 {
 	struct srp_target_port *target = host_to_target(class_to_shost(dev));
 
-	if (target->state == SRP_TARGET_DEAD ||
-	    target->state == SRP_TARGET_REMOVED)
-		return -ENODEV;
-
 	return sprintf(buf, "%d\n", target->zero_req_lim);
 }
 
@@ -1989,7 +1975,7 @@ static int srp_parse_options(const char *buf, struct srp_target_port *target)
 				goto out;
 			}
 			if (strlen(p) != 32) {
-				printk(KERN_WARNING PFX "bad dest GID parameter '%s'\n", p);
+				pr_warn("bad dest GID parameter '%s'\n", p);
 				kfree(p);
 				goto out;
 			}
@@ -2004,7 +1990,7 @@ static int srp_parse_options(const char *buf, struct srp_target_port *target)
 
 		case SRP_OPT_PKEY:
 			if (match_hex(args, &token)) {
-				printk(KERN_WARNING PFX "bad P_Key parameter '%s'\n", p);
+				pr_warn("bad P_Key parameter '%s'\n", p);
 				goto out;
 			}
 			target->path.pkey = cpu_to_be16(token);
@@ -2023,7 +2009,7 @@ static int srp_parse_options(const char *buf, struct srp_target_port *target)
 
 		case SRP_OPT_MAX_SECT:
 			if (match_int(args, &token)) {
-				printk(KERN_WARNING PFX "bad max sect parameter '%s'\n", p);
+				pr_warn("bad max sect parameter '%s'\n", p);
 				goto out;
 			}
 			target->scsi_host->max_sectors = token;
@@ -2031,7 +2017,8 @@ static int srp_parse_options(const char *buf, struct srp_target_port *target)
 
 		case SRP_OPT_MAX_CMD_PER_LUN:
 			if (match_int(args, &token)) {
-				printk(KERN_WARNING PFX "bad max cmd_per_lun parameter '%s'\n", p);
+				pr_warn("bad max cmd_per_lun parameter '%s'\n",
+					p);
 				goto out;
 			}
 			target->scsi_host->cmd_per_lun = min(token, SRP_CMD_SQ_SIZE);
@@ -2039,14 +2026,14 @@ static int srp_parse_options(const char *buf, struct srp_target_port *target)
 
 		case SRP_OPT_IO_CLASS:
 			if (match_hex(args, &token)) {
-				printk(KERN_WARNING PFX "bad  IO class parameter '%s' \n", p);
+				pr_warn("bad IO class parameter '%s'\n", p);
 				goto out;
 			}
 			if (token != SRP_REV10_IB_IO_CLASS &&
 			    token != SRP_REV16A_IB_IO_CLASS) {
-				printk(KERN_WARNING PFX "unknown IO class parameter value"
-				       " %x specified (use %x or %x).\n",
-				       token, SRP_REV10_IB_IO_CLASS, SRP_REV16A_IB_IO_CLASS);
+				pr_warn("unknown IO class parameter value %x specified (use %x or %x).\n",
+					token, SRP_REV10_IB_IO_CLASS,
+					SRP_REV16A_IB_IO_CLASS);
 				goto out;
 			}
 			target->io_class = token;
@@ -2064,7 +2051,8 @@ static int srp_parse_options(const char *buf, struct srp_target_port *target)
 
 		case SRP_OPT_CMD_SG_ENTRIES:
 			if (match_int(args, &token) || token < 1 || token > 255) {
-				printk(KERN_WARNING PFX "bad max cmd_sg_entries parameter '%s'\n", p);
+				pr_warn("bad max cmd_sg_entries parameter '%s'\n",
+					p);
 				goto out;
 			}
 			target->cmd_sg_cnt = token;
@@ -2072,7 +2060,7 @@ static int srp_parse_options(const char *buf, struct srp_target_port *target)
 
 		case SRP_OPT_ALLOW_EXT_SG:
 			if (match_int(args, &token)) {
-				printk(KERN_WARNING PFX "bad allow_ext_sg parameter '%s'\n", p);
+				pr_warn("bad allow_ext_sg parameter '%s'\n", p);
 				goto out;
 			}
 			target->allow_ext_sg = !!token;
@@ -2081,15 +2069,16 @@ static int srp_parse_options(const char *buf, struct srp_target_port *target)
 		case SRP_OPT_SG_TABLESIZE:
 			if (match_int(args, &token) || token < 1 ||
 					token > SCSI_MAX_SG_CHAIN_SEGMENTS) {
-				printk(KERN_WARNING PFX "bad max sg_tablesize parameter '%s'\n", p);
+				pr_warn("bad max sg_tablesize parameter '%s'\n",
+					p);
 				goto out;
 			}
 			target->sg_tablesize = token;
 			break;
 
 		default:
-			printk(KERN_WARNING PFX "unknown parameter or missing value "
-			       "'%s' in target creation request\n", p);
+			pr_warn("unknown parameter or missing value '%s' in target creation request\n",
+				p);
 			goto out;
 		}
 	}
@@ -2100,9 +2089,8 @@ static int srp_parse_options(const char *buf, struct srp_target_port *target)
 		for (i = 0; i < ARRAY_SIZE(srp_opt_tokens); ++i)
 			if ((srp_opt_tokens[i].token & SRP_OPT_ALL) &&
 			    !(srp_opt_tokens[i].token & opt_mask))
-				printk(KERN_WARNING PFX "target creation request is "
-				       "missing parameter '%s'\n",
-				       srp_opt_tokens[i].pattern);
+				pr_warn("target creation request is missing parameter '%s'\n",
+					srp_opt_tokens[i].pattern);
 
 out:
 	kfree(options);
@@ -2149,7 +2137,7 @@ static ssize_t srp_create_target(struct device *dev,
 
 	if (!host->srp_dev->fmr_pool && !target->allow_ext_sg &&
 				target->cmd_sg_cnt < target->sg_tablesize) {
-		printk(KERN_WARNING PFX "No FMR pool and no external indirect descriptors, limiting sg_tablesize to cmd_sg_cnt\n");
+		pr_warn("No FMR pool and no external indirect descriptors, limiting sg_tablesize to cmd_sg_cnt\n");
 		target->sg_tablesize = target->cmd_sg_cnt;
 	}
 
@@ -2309,8 +2297,7 @@ static void srp_add_one(struct ib_device *device)
 		return;
 
 	if (ib_query_device(device, dev_attr)) {
-		printk(KERN_WARNING PFX "Query device failed for %s\n",
-		       device->name);
+		pr_warn("Query device failed for %s\n", device->name);
 		goto free_attr;
 	}
 
@@ -2429,6 +2416,7 @@ static void srp_remove_one(struct ib_device *device)
 
 		list_for_each_entry_safe(target, tmp_target,
 					 &host->target_list, list) {
+			srp_del_scsi_host_attr(target->scsi_host);
 			srp_remove_host(target->scsi_host);
 			scsi_remove_host(target->scsi_host);
 			srp_disconnect_target(target);
@@ -2459,7 +2447,7 @@ static int __init srp_init_module(void)
 	BUILD_BUG_ON(FIELD_SIZEOF(struct ib_wc, wr_id) < sizeof(void *));
 
 	if (srp_sg_tablesize) {
-		printk(KERN_WARNING PFX "srp_sg_tablesize is deprecated, please use cmd_sg_entries\n");
+		pr_warn("srp_sg_tablesize is deprecated, please use cmd_sg_entries\n");
 		if (!cmd_sg_entries)
 			cmd_sg_entries = srp_sg_tablesize;
 	}
@@ -2468,14 +2456,15 @@ static int __init srp_init_module(void)
 		cmd_sg_entries = SRP_DEF_SG_TABLESIZE;
 
 	if (cmd_sg_entries > 255) {
-		printk(KERN_WARNING PFX "Clamping cmd_sg_entries to 255\n");
+		pr_warn("Clamping cmd_sg_entries to 255\n");
 		cmd_sg_entries = 255;
 	}
 
 	if (!indirect_sg_entries)
 		indirect_sg_entries = cmd_sg_entries;
 	else if (indirect_sg_entries < cmd_sg_entries) {
-		printk(KERN_WARNING PFX "Bumping up indirect_sg_entries to match cmd_sg_entries (%u)\n", cmd_sg_entries);
+		pr_warn("Bumping up indirect_sg_entries to match cmd_sg_entries (%u)\n",
+			cmd_sg_entries);
 		indirect_sg_entries = cmd_sg_entries;
 	}
 
@@ -2486,7 +2475,7 @@ static int __init srp_init_module(void)
 
 	ret = class_register(&srp_class);
 	if (ret) {
-		printk(KERN_ERR PFX "couldn't register class infiniband_srp\n");
+		pr_err("couldn't register class infiniband_srp\n");
 		srp_release_transport(ib_srp_transport_template);
 		return ret;
 	}
@@ -2495,7 +2484,7 @@ static int __init srp_init_module(void)
 
 	ret = ib_register_client(&srp_client);
 	if (ret) {
-		printk(KERN_ERR PFX "couldn't register IB client\n");
+		pr_err("couldn't register IB client\n");
 		srp_release_transport(ib_srp_transport_template);
 		ib_sa_unregister_client(&srp_sa_client);
 		class_unregister(&srp_class);

drivers/infiniband/ulp/srpt/ib_srpt.c

@@ -3450,7 +3450,7 @@ static struct se_node_acl *srpt_alloc_fabric_acl(struct se_portal_group *se_tpg)
 
 	nacl = kzalloc(sizeof(struct srpt_node_acl), GFP_KERNEL);
 	if (!nacl) {
-		printk(KERN_ERR "Unable to alocate struct srpt_node_acl\n");
+		printk(KERN_ERR "Unable to allocate struct srpt_node_acl\n");
 		return NULL;
 	}
 

include/rdma/ib_mad.h

@@ -77,6 +77,15 @@
 
 #define IB_MGMT_MAX_METHODS			128
 
+/* MAD Status field bit masks */
+#define IB_MGMT_MAD_STATUS_SUCCESS			0x0000
+#define IB_MGMT_MAD_STATUS_BUSY				0x0001
+#define IB_MGMT_MAD_STATUS_REDIRECT_REQD		0x0002
+#define IB_MGMT_MAD_STATUS_BAD_VERSION			0x0004
+#define IB_MGMT_MAD_STATUS_UNSUPPORTED_METHOD		0x0008
+#define IB_MGMT_MAD_STATUS_UNSUPPORTED_METHOD_ATTRIB	0x000c
+#define IB_MGMT_MAD_STATUS_INVALID_ATTRIB_VALUE		0x001c
+
 /* RMPP information */
 #define IB_MGMT_RMPP_VERSION			1