---

yaml
---
r: 192463
b: refs/heads/master
c: cfdda9d
h: refs/heads/master
i:
  192461: 335de57
  192459: 15215f5
  192455: 0448056
  192447: 62b0433
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 617c9a7e398878d036a3aa9a063ccba145854b45
+refs/heads/master: cfdda9d764362ab77b11a410bb928400e6520d57

trunk/drivers/infiniband/Kconfig

@@ -46,6 +46,7 @@ source "drivers/infiniband/hw/ipath/Kconfig"
 source "drivers/infiniband/hw/ehca/Kconfig"
 source "drivers/infiniband/hw/amso1100/Kconfig"
 source "drivers/infiniband/hw/cxgb3/Kconfig"
+source "drivers/infiniband/hw/cxgb4/Kconfig"
 source "drivers/infiniband/hw/mlx4/Kconfig"
 source "drivers/infiniband/hw/nes/Kconfig"
 

trunk/drivers/infiniband/Makefile

@@ -4,6 +4,7 @@ obj-$(CONFIG_INFINIBAND_IPATH)		+= hw/ipath/
 obj-$(CONFIG_INFINIBAND_EHCA)		+= hw/ehca/
 obj-$(CONFIG_INFINIBAND_AMSO1100)	+= hw/amso1100/
 obj-$(CONFIG_INFINIBAND_CXGB3)		+= hw/cxgb3/
+obj-$(CONFIG_INFINIBAND_CXGB4)		+= hw/cxgb4/
 obj-$(CONFIG_MLX4_INFINIBAND)		+= hw/mlx4/
 obj-$(CONFIG_INFINIBAND_NES)		+= hw/nes/
 obj-$(CONFIG_INFINIBAND_IPOIB)		+= ulp/ipoib/

trunk/drivers/infiniband/hw/cxgb3/cxio_hal.c

@@ -174,7 +174,7 @@ int cxio_create_cq(struct cxio_rdev *rdev_p, struct t3_cq *cq, int kernel)
 		kfree(cq->sw_queue);
 		return -ENOMEM;
 	}
-	dma_unmap_addr_set(cq, mapping, cq->dma_addr);
+	pci_unmap_addr_set(cq, mapping, cq->dma_addr);
 	memset(cq->queue, 0, size);
 	setup.id = cq->cqid;
 	setup.base_addr = (u64) (cq->dma_addr);
@@ -297,7 +297,7 @@ int cxio_create_qp(struct cxio_rdev *rdev_p, u32 kernel_domain,
 		goto err4;
 
 	memset(wq->queue, 0, depth * sizeof(union t3_wr));
-	dma_unmap_addr_set(wq, mapping, wq->dma_addr);
+	pci_unmap_addr_set(wq, mapping, wq->dma_addr);
 	wq->doorbell = (void __iomem *)rdev_p->rnic_info.kdb_addr;
 	if (!kernel_domain)
 		wq->udb = (u64)rdev_p->rnic_info.udbell_physbase +
@@ -325,7 +325,7 @@ int cxio_destroy_cq(struct cxio_rdev *rdev_p, struct t3_cq *cq)
 	dma_free_coherent(&(rdev_p->rnic_info.pdev->dev),
 			  (1UL << (cq->size_log2))
 			  * sizeof(struct t3_cqe), cq->queue,
-			  dma_unmap_addr(cq, mapping));
+			  pci_unmap_addr(cq, mapping));
 	cxio_hal_put_cqid(rdev_p->rscp, cq->cqid);
 	return err;
 }
@@ -336,7 +336,7 @@ int cxio_destroy_qp(struct cxio_rdev *rdev_p, struct t3_wq *wq,
 	dma_free_coherent(&(rdev_p->rnic_info.pdev->dev),
 			  (1UL << (wq->size_log2))
 			  * sizeof(union t3_wr), wq->queue,
-			  dma_unmap_addr(wq, mapping));
+			  pci_unmap_addr(wq, mapping));
 	kfree(wq->sq);
 	cxio_hal_rqtpool_free(rdev_p, wq->rq_addr, (1UL << wq->rq_size_log2));
 	kfree(wq->rq);
@@ -537,7 +537,7 @@ static int cxio_hal_init_ctrl_qp(struct cxio_rdev *rdev_p)
 		err = -ENOMEM;
 		goto err;
 	}
-	dma_unmap_addr_set(&rdev_p->ctrl_qp, mapping,
+	pci_unmap_addr_set(&rdev_p->ctrl_qp, mapping,
 			   rdev_p->ctrl_qp.dma_addr);
 	rdev_p->ctrl_qp.doorbell = (void __iomem *)rdev_p->rnic_info.kdb_addr;
 	memset(rdev_p->ctrl_qp.workq, 0,
@@ -583,7 +583,7 @@ static int cxio_hal_destroy_ctrl_qp(struct cxio_rdev *rdev_p)
 	dma_free_coherent(&(rdev_p->rnic_info.pdev->dev),
 			  (1UL << T3_CTRL_QP_SIZE_LOG2)
 			  * sizeof(union t3_wr), rdev_p->ctrl_qp.workq,
-			  dma_unmap_addr(&rdev_p->ctrl_qp, mapping));
+			  pci_unmap_addr(&rdev_p->ctrl_qp, mapping));
 	return cxio_hal_clear_qp_ctx(rdev_p, T3_CTRL_QP_ID);
 }
 

trunk/drivers/infiniband/hw/cxgb3/cxio_hal.h

@@ -71,7 +71,7 @@ struct cxio_hal_ctrl_qp {
 	wait_queue_head_t waitq;/* wait for RspQ/CQE msg */
 	union t3_wr *workq;	/* the work request queue */
 	dma_addr_t dma_addr;	/* pci bus address of the workq */
-	DEFINE_DMA_UNMAP_ADDR(mapping);
+	DECLARE_PCI_UNMAP_ADDR(mapping)
 	void __iomem *doorbell;
 };
 

trunk/drivers/infiniband/hw/cxgb3/cxio_wr.h

@@ -691,7 +691,7 @@ struct t3_swrq {
 struct t3_wq {
 	union t3_wr *queue;		/* DMA accessable memory */
 	dma_addr_t dma_addr;		/* DMA address for HW */
-	DEFINE_DMA_UNMAP_ADDR(mapping); /* unmap kruft */
+	DECLARE_PCI_UNMAP_ADDR(mapping)	/* unmap kruft */
 	u32 error;			/* 1 once we go to ERROR */
 	u32 qpid;
 	u32 wptr;			/* idx to next available WR slot */
@@ -718,7 +718,7 @@ struct t3_cq {
 	u32 wptr;
 	u32 size_log2;
 	dma_addr_t dma_addr;
-	DEFINE_DMA_UNMAP_ADDR(mapping);
+	DECLARE_PCI_UNMAP_ADDR(mapping)
 	struct t3_cqe *queue;
 	struct t3_cqe *sw_queue;
 	u32 sw_rptr;

trunk/drivers/infiniband/hw/cxgb3/iwch.c

@@ -47,6 +47,8 @@ MODULE_DESCRIPTION("Chelsio T3 RDMA Driver");
 MODULE_LICENSE("Dual BSD/GPL");
 MODULE_VERSION(DRV_VERSION);
 
+cxgb3_cpl_handler_func t3c_handlers[NUM_CPL_CMDS];
+
 static void open_rnic_dev(struct t3cdev *);
 static void close_rnic_dev(struct t3cdev *);
 static void iwch_event_handler(struct t3cdev *, u32, u32);

trunk/drivers/infiniband/hw/cxgb3/iwch_cm.c

@@ -102,9 +102,12 @@ static unsigned int cong_flavor = 1;
 module_param(cong_flavor, uint, 0644);
 MODULE_PARM_DESC(cong_flavor, "TCP Congestion control flavor (default=1)");
 
+static void process_work(struct work_struct *work);
 static struct workqueue_struct *workq;
+static DECLARE_WORK(skb_work, process_work);
 
 static struct sk_buff_head rxq;
+static cxgb3_cpl_handler_func work_handlers[NUM_CPL_CMDS];
 
 static struct sk_buff *get_skb(struct sk_buff *skb, int len, gfp_t gfp);
 static void ep_timeout(unsigned long arg);
@@ -148,7 +151,7 @@ int iwch_l2t_send(struct t3cdev *tdev, struct sk_buff *skb, struct l2t_entry *l2
 		return -EIO;
 	}
 	error = l2t_send(tdev, skb, l2e);
-	if (error < 0)
+	if (error)
 		kfree_skb(skb);
 	return error;
 }
@@ -164,7 +167,7 @@ int iwch_cxgb3_ofld_send(struct t3cdev *tdev, struct sk_buff *skb)
 		return -EIO;
 	}
 	error = cxgb3_ofld_send(tdev, skb);
-	if (error < 0)
+	if (error)
 		kfree_skb(skb);
 	return error;
 }
@@ -299,6 +302,27 @@ static void release_ep_resources(struct iwch_ep *ep)
 	put_ep(&ep->com);
 }
 
+static void process_work(struct work_struct *work)
+{
+	struct sk_buff *skb = NULL;
+	void *ep;
+	struct t3cdev *tdev;
+	int ret;
+
+	while ((skb = skb_dequeue(&rxq))) {
+		ep = *((void **) (skb->cb));
+		tdev = *((struct t3cdev **) (skb->cb + sizeof(void *)));
+		ret = work_handlers[G_OPCODE(ntohl((__force __be32)skb->csum))](tdev, skb, ep);
+		if (ret & CPL_RET_BUF_DONE)
+			kfree_skb(skb);
+
+		/*
+		 * ep was referenced in sched(), and is freed here.
+		 */
+		put_ep((struct iwch_ep_common *)ep);
+	}
+}
+
 static int status2errno(int status)
 {
 	switch (status) {
@@ -2133,49 +2157,7 @@ int iwch_ep_redirect(void *ctx, struct dst_entry *old, struct dst_entry *new,
 
 /*
  * All the CM events are handled on a work queue to have a safe context.
- * These are the real handlers that are called from the work queue.
  */
-static const cxgb3_cpl_handler_func work_handlers[NUM_CPL_CMDS] = {
-	[CPL_ACT_ESTABLISH]	= act_establish,
-	[CPL_ACT_OPEN_RPL]	= act_open_rpl,
-	[CPL_RX_DATA]		= rx_data,
-	[CPL_TX_DMA_ACK]	= tx_ack,
-	[CPL_ABORT_RPL_RSS]	= abort_rpl,
-	[CPL_ABORT_RPL]		= abort_rpl,
-	[CPL_PASS_OPEN_RPL]	= pass_open_rpl,
-	[CPL_CLOSE_LISTSRV_RPL]	= close_listsrv_rpl,
-	[CPL_PASS_ACCEPT_REQ]	= pass_accept_req,
-	[CPL_PASS_ESTABLISH]	= pass_establish,
-	[CPL_PEER_CLOSE]	= peer_close,
-	[CPL_ABORT_REQ_RSS]	= peer_abort,
-	[CPL_CLOSE_CON_RPL]	= close_con_rpl,
-	[CPL_RDMA_TERMINATE]	= terminate,
-	[CPL_RDMA_EC_STATUS]	= ec_status,
-};
-
-static void process_work(struct work_struct *work)
-{
-	struct sk_buff *skb = NULL;
-	void *ep;
-	struct t3cdev *tdev;
-	int ret;
-
-	while ((skb = skb_dequeue(&rxq))) {
-		ep = *((void **) (skb->cb));
-		tdev = *((struct t3cdev **) (skb->cb + sizeof(void *)));
-		ret = work_handlers[G_OPCODE(ntohl((__force __be32)skb->csum))](tdev, skb, ep);
-		if (ret & CPL_RET_BUF_DONE)
-			kfree_skb(skb);
-
-		/*
-		 * ep was referenced in sched(), and is freed here.
-		 */
-		put_ep((struct iwch_ep_common *)ep);
-	}
-}
-
-static DECLARE_WORK(skb_work, process_work);
-
 static int sched(struct t3cdev *tdev, struct sk_buff *skb, void *ctx)
 {
 	struct iwch_ep_common *epc = ctx;
@@ -2207,29 +2189,6 @@ static int set_tcb_rpl(struct t3cdev *tdev, struct sk_buff *skb, void *ctx)
 	return CPL_RET_BUF_DONE;
 }
 
-/*
- * All upcalls from the T3 Core go to sched() to schedule the
- * processing on a work queue.
- */
-cxgb3_cpl_handler_func t3c_handlers[NUM_CPL_CMDS] = {
-	[CPL_ACT_ESTABLISH]	= sched,
-	[CPL_ACT_OPEN_RPL]	= sched,
-	[CPL_RX_DATA]		= sched,
-	[CPL_TX_DMA_ACK]	= sched,
-	[CPL_ABORT_RPL_RSS]	= sched,
-	[CPL_ABORT_RPL]		= sched,
-	[CPL_PASS_OPEN_RPL]	= sched,
-	[CPL_CLOSE_LISTSRV_RPL]	= sched,
-	[CPL_PASS_ACCEPT_REQ]	= sched,
-	[CPL_PASS_ESTABLISH]	= sched,
-	[CPL_PEER_CLOSE]	= sched,
-	[CPL_CLOSE_CON_RPL]	= sched,
-	[CPL_ABORT_REQ_RSS]	= sched,
-	[CPL_RDMA_TERMINATE]	= sched,
-	[CPL_RDMA_EC_STATUS]	= sched,
-	[CPL_SET_TCB_RPL]	= set_tcb_rpl,
-};
-
 int __init iwch_cm_init(void)
 {
 	skb_queue_head_init(&rxq);
@@ -2238,6 +2197,46 @@ int __init iwch_cm_init(void)
 	if (!workq)
 		return -ENOMEM;
 
+	/*
+	 * All upcalls from the T3 Core go to sched() to
+	 * schedule the processing on a work queue.
+	 */
+	t3c_handlers[CPL_ACT_ESTABLISH] = sched;
+	t3c_handlers[CPL_ACT_OPEN_RPL] = sched;
+	t3c_handlers[CPL_RX_DATA] = sched;
+	t3c_handlers[CPL_TX_DMA_ACK] = sched;
+	t3c_handlers[CPL_ABORT_RPL_RSS] = sched;
+	t3c_handlers[CPL_ABORT_RPL] = sched;
+	t3c_handlers[CPL_PASS_OPEN_RPL] = sched;
+	t3c_handlers[CPL_CLOSE_LISTSRV_RPL] = sched;
+	t3c_handlers[CPL_PASS_ACCEPT_REQ] = sched;
+	t3c_handlers[CPL_PASS_ESTABLISH] = sched;
+	t3c_handlers[CPL_PEER_CLOSE] = sched;
+	t3c_handlers[CPL_CLOSE_CON_RPL] = sched;
+	t3c_handlers[CPL_ABORT_REQ_RSS] = sched;
+	t3c_handlers[CPL_RDMA_TERMINATE] = sched;
+	t3c_handlers[CPL_RDMA_EC_STATUS] = sched;
+	t3c_handlers[CPL_SET_TCB_RPL] = set_tcb_rpl;
+
+	/*
+	 * These are the real handlers that are called from a
+	 * work queue.
+	 */
+	work_handlers[CPL_ACT_ESTABLISH] = act_establish;
+	work_handlers[CPL_ACT_OPEN_RPL] = act_open_rpl;
+	work_handlers[CPL_RX_DATA] = rx_data;
+	work_handlers[CPL_TX_DMA_ACK] = tx_ack;
+	work_handlers[CPL_ABORT_RPL_RSS] = abort_rpl;
+	work_handlers[CPL_ABORT_RPL] = abort_rpl;
+	work_handlers[CPL_PASS_OPEN_RPL] = pass_open_rpl;
+	work_handlers[CPL_CLOSE_LISTSRV_RPL] = close_listsrv_rpl;
+	work_handlers[CPL_PASS_ACCEPT_REQ] = pass_accept_req;
+	work_handlers[CPL_PASS_ESTABLISH] = pass_establish;
+	work_handlers[CPL_PEER_CLOSE] = peer_close;
+	work_handlers[CPL_ABORT_REQ_RSS] = peer_abort;
+	work_handlers[CPL_CLOSE_CON_RPL] = close_con_rpl;
+	work_handlers[CPL_RDMA_TERMINATE] = terminate;
+	work_handlers[CPL_RDMA_EC_STATUS] = ec_status;
 	return 0;
 }
 

trunk/drivers/infiniband/hw/cxgb4/Kconfig

@@ -0,0 +1,18 @@
+config INFINIBAND_CXGB4
+	tristate "Chelsio T4 RDMA Driver"
+	depends on CHELSIO_T4 && INET
+	select GENERIC_ALLOCATOR
+	---help---
+	  This is an iWARP/RDMA driver for the Chelsio T4 1GbE and
+	  10GbE adapters.
+
+	  For general information about Chelsio and our products, visit
+	  our website at <http://www.chelsio.com>.
+
+	  For customer support, please visit our customer support page at
+	  <http://www.chelsio.com/support.htm>.
+
+	  Please send feedback to <linux-bugs@chelsio.com>.
+
+	  To compile this driver as a module, choose M here: the module
+	  will be called iw_cxgb4.

trunk/drivers/infiniband/hw/cxgb4/Makefile

@@ -0,0 +1,5 @@
+EXTRA_CFLAGS += -Idrivers/net/cxgb4
+
+obj-$(CONFIG_INFINIBAND_CXGB4) += iw_cxgb4.o
+
+iw_cxgb4-y :=  device.o cm.o provider.o mem.o cq.o qp.o resource.o ev.o