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-rw-r--r--MAINTAINERS12
-rw-r--r--drivers/infiniband/core/iwcm.c4
-rw-r--r--drivers/infiniband/core/ucma.c39
-rw-r--r--drivers/infiniband/core/user_mad.c2
-rw-r--r--drivers/infiniband/hw/amso1100/Kbuild4
-rw-r--r--drivers/infiniband/hw/amso1100/c2_intr.c4
-rw-r--r--drivers/infiniband/hw/cxgb3/Makefile6
-rw-r--r--drivers/infiniband/hw/cxgb3/cxio_hal.c1
-rw-r--r--drivers/infiniband/hw/cxgb3/cxio_wr.h16
-rw-r--r--drivers/infiniband/hw/cxgb3/iwch_cm.c4
-rw-r--r--drivers/infiniband/hw/cxgb3/iwch_ev.c17
-rw-r--r--drivers/infiniband/hw/cxgb3/iwch_provider.c24
-rw-r--r--drivers/infiniband/hw/cxgb3/iwch_qp.c25
-rw-r--r--drivers/infiniband/hw/cxgb3/iwch_user.h8
-rw-r--r--drivers/infiniband/hw/cxgb4/Makefile2
-rw-r--r--drivers/infiniband/hw/cxgb4/cm.c178
-rw-r--r--drivers/infiniband/hw/cxgb4/cq.c28
-rw-r--r--drivers/infiniband/hw/cxgb4/device.c191
-rw-r--r--drivers/infiniband/hw/cxgb4/ev.c2
-rw-r--r--drivers/infiniband/hw/cxgb4/iw_cxgb4.h68
-rw-r--r--drivers/infiniband/hw/cxgb4/mem.c11
-rw-r--r--drivers/infiniband/hw/cxgb4/provider.c44
-rw-r--r--drivers/infiniband/hw/cxgb4/qp.c283
-rw-r--r--drivers/infiniband/hw/cxgb4/resource.c62
-rw-r--r--drivers/infiniband/hw/cxgb4/t4.h44
-rw-r--r--drivers/infiniband/hw/cxgb4/user.h7
-rw-r--r--drivers/infiniband/hw/ehca/ehca_mrmw.c6
-rw-r--r--drivers/infiniband/hw/ipath/Makefile2
-rw-r--r--drivers/infiniband/hw/mlx4/main.c30
-rw-r--r--drivers/infiniband/hw/mlx4/mr.c2
-rw-r--r--drivers/infiniband/hw/nes/nes_cm.c3
-rw-r--r--drivers/infiniband/hw/nes/nes_nic.c1
-rw-r--r--drivers/infiniband/hw/nes/nes_verbs.c16
-rw-r--r--drivers/infiniband/hw/qib/qib.h2
-rw-r--r--drivers/infiniband/hw/qib/qib_file_ops.c4
-rw-r--r--drivers/infiniband/hw/qib/qib_init.c1
-rw-r--r--drivers/infiniband/hw/qib/qib_pcie.c8
-rw-r--r--drivers/infiniband/hw/qib/qib_rc.c5
-rw-r--r--drivers/infiniband/hw/qib/qib_uc.c6
-rw-r--r--drivers/infiniband/ulp/ipoib/ipoib_ib.c14
-rw-r--r--drivers/infiniband/ulp/ipoib/ipoib_main.c1
-rw-r--r--drivers/infiniband/ulp/srp/ib_srp.c236
-rw-r--r--drivers/infiniband/ulp/srp/ib_srp.h21
-rw-r--r--drivers/net/mlx4/main.c4
-rw-r--r--include/linux/mlx4/cmd.h1
-rw-r--r--include/linux/mlx4/device.h4
-rw-r--r--include/scsi/srp.h38
47 files changed, 981 insertions, 510 deletions
diff --git a/MAINTAINERS b/MAINTAINERS
index 668682d1f5fa..f94cfc6f4c5d 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -2951,7 +2951,7 @@ M: Roland Dreier <rolandd@cisco.com>
2951M: Sean Hefty <sean.hefty@intel.com> 2951M: Sean Hefty <sean.hefty@intel.com>
2952M: Hal Rosenstock <hal.rosenstock@gmail.com> 2952M: Hal Rosenstock <hal.rosenstock@gmail.com>
2953L: linux-rdma@vger.kernel.org 2953L: linux-rdma@vger.kernel.org
2954W: http://www.openib.org/ 2954W: http://www.openfabrics.org/
2955Q: http://patchwork.kernel.org/project/linux-rdma/list/ 2955Q: http://patchwork.kernel.org/project/linux-rdma/list/
2956T: git git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband.git 2956T: git git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband.git
2957S: Supported 2957S: Supported
@@ -5035,6 +5035,16 @@ W: http://www.kernel.dk
5035S: Maintained 5035S: Maintained
5036F: drivers/scsi/sr* 5036F: drivers/scsi/sr*
5037 5037
5038SCSI RDMA PROTOCOL (SRP) INITIATOR
5039M: David Dillow <dillowda@ornl.gov>
5040L: linux-rdma@vger.kernel.org
5041S: Supported
5042W: http://www.openfabrics.org
5043Q: http://patchwork.kernel.org/project/linux-rdma/list/
5044T: git git://git.kernel.org/pub/scm/linux/kernel/git/dad/srp-initiator.git
5045F: drivers/infiniband/ulp/srp/
5046F: include/scsi/srp.h
5047
5038SCSI SG DRIVER 5048SCSI SG DRIVER
5039M: Doug Gilbert <dgilbert@interlog.com> 5049M: Doug Gilbert <dgilbert@interlog.com>
5040L: linux-scsi@vger.kernel.org 5050L: linux-scsi@vger.kernel.org
diff --git a/drivers/infiniband/core/iwcm.c b/drivers/infiniband/core/iwcm.c
index bfead5bc25f6..2a1e9ae134b4 100644
--- a/drivers/infiniband/core/iwcm.c
+++ b/drivers/infiniband/core/iwcm.c
@@ -506,6 +506,8 @@ int iw_cm_accept(struct iw_cm_id *cm_id,
506 qp = cm_id->device->iwcm->get_qp(cm_id->device, iw_param->qpn); 506 qp = cm_id->device->iwcm->get_qp(cm_id->device, iw_param->qpn);
507 if (!qp) { 507 if (!qp) {
508 spin_unlock_irqrestore(&cm_id_priv->lock, flags); 508 spin_unlock_irqrestore(&cm_id_priv->lock, flags);
509 clear_bit(IWCM_F_CONNECT_WAIT, &cm_id_priv->flags);
510 wake_up_all(&cm_id_priv->connect_wait);
509 return -EINVAL; 511 return -EINVAL;
510 } 512 }
511 cm_id->device->iwcm->add_ref(qp); 513 cm_id->device->iwcm->add_ref(qp);
@@ -565,6 +567,8 @@ int iw_cm_connect(struct iw_cm_id *cm_id, struct iw_cm_conn_param *iw_param)
565 qp = cm_id->device->iwcm->get_qp(cm_id->device, iw_param->qpn); 567 qp = cm_id->device->iwcm->get_qp(cm_id->device, iw_param->qpn);
566 if (!qp) { 568 if (!qp) {
567 spin_unlock_irqrestore(&cm_id_priv->lock, flags); 569 spin_unlock_irqrestore(&cm_id_priv->lock, flags);
570 clear_bit(IWCM_F_CONNECT_WAIT, &cm_id_priv->flags);
571 wake_up_all(&cm_id_priv->connect_wait);
568 return -EINVAL; 572 return -EINVAL;
569 } 573 }
570 cm_id->device->iwcm->add_ref(qp); 574 cm_id->device->iwcm->add_ref(qp);
diff --git a/drivers/infiniband/core/ucma.c b/drivers/infiniband/core/ucma.c
index 357a766bd220..ca12acf38379 100644
--- a/drivers/infiniband/core/ucma.c
+++ b/drivers/infiniband/core/ucma.c
@@ -40,6 +40,7 @@
40#include <linux/in6.h> 40#include <linux/in6.h>
41#include <linux/miscdevice.h> 41#include <linux/miscdevice.h>
42#include <linux/slab.h> 42#include <linux/slab.h>
43#include <linux/sysctl.h>
43 44
44#include <rdma/rdma_user_cm.h> 45#include <rdma/rdma_user_cm.h>
45#include <rdma/ib_marshall.h> 46#include <rdma/ib_marshall.h>
@@ -50,8 +51,24 @@ MODULE_AUTHOR("Sean Hefty");
50MODULE_DESCRIPTION("RDMA Userspace Connection Manager Access"); 51MODULE_DESCRIPTION("RDMA Userspace Connection Manager Access");
51MODULE_LICENSE("Dual BSD/GPL"); 52MODULE_LICENSE("Dual BSD/GPL");
52 53
53enum { 54static unsigned int max_backlog = 1024;
54 UCMA_MAX_BACKLOG = 128 55
56static struct ctl_table_header *ucma_ctl_table_hdr;
57static ctl_table ucma_ctl_table[] = {
58 {
59 .procname = "max_backlog",
60 .data = &max_backlog,
61 .maxlen = sizeof max_backlog,
62 .mode = 0644,
63 .proc_handler = proc_dointvec,
64 },
65 { }
66};
67
68static struct ctl_path ucma_ctl_path[] = {
69 { .procname = "net" },
70 { .procname = "rdma_ucm" },
71 { }
55}; 72};
56 73
57struct ucma_file { 74struct ucma_file {
@@ -727,8 +744,8 @@ static ssize_t ucma_listen(struct ucma_file *file, const char __user *inbuf,
727 if (IS_ERR(ctx)) 744 if (IS_ERR(ctx))
728 return PTR_ERR(ctx); 745 return PTR_ERR(ctx);
729 746
730 ctx->backlog = cmd.backlog > 0 && cmd.backlog < UCMA_MAX_BACKLOG ? 747 ctx->backlog = cmd.backlog > 0 && cmd.backlog < max_backlog ?
731 cmd.backlog : UCMA_MAX_BACKLOG; 748 cmd.backlog : max_backlog;
732 ret = rdma_listen(ctx->cm_id, ctx->backlog); 749 ret = rdma_listen(ctx->cm_id, ctx->backlog);
733 ucma_put_ctx(ctx); 750 ucma_put_ctx(ctx);
734 return ret; 751 return ret;
@@ -1320,16 +1337,26 @@ static int __init ucma_init(void)
1320 ret = device_create_file(ucma_misc.this_device, &dev_attr_abi_version); 1337 ret = device_create_file(ucma_misc.this_device, &dev_attr_abi_version);
1321 if (ret) { 1338 if (ret) {
1322 printk(KERN_ERR "rdma_ucm: couldn't create abi_version attr\n"); 1339 printk(KERN_ERR "rdma_ucm: couldn't create abi_version attr\n");
1323 goto err; 1340 goto err1;
1341 }
1342
1343 ucma_ctl_table_hdr = register_sysctl_paths(ucma_ctl_path, ucma_ctl_table);
1344 if (!ucma_ctl_table_hdr) {
1345 printk(KERN_ERR "rdma_ucm: couldn't register sysctl paths\n");
1346 ret = -ENOMEM;
1347 goto err2;
1324 } 1348 }
1325 return 0; 1349 return 0;
1326err: 1350err2:
1351 device_remove_file(ucma_misc.this_device, &dev_attr_abi_version);
1352err1:
1327 misc_deregister(&ucma_misc); 1353 misc_deregister(&ucma_misc);
1328 return ret; 1354 return ret;
1329} 1355}
1330 1356
1331static void __exit ucma_cleanup(void) 1357static void __exit ucma_cleanup(void)
1332{ 1358{
1359 unregister_sysctl_table(ucma_ctl_table_hdr);
1333 device_remove_file(ucma_misc.this_device, &dev_attr_abi_version); 1360 device_remove_file(ucma_misc.this_device, &dev_attr_abi_version);
1334 misc_deregister(&ucma_misc); 1361 misc_deregister(&ucma_misc);
1335 idr_destroy(&ctx_idr); 1362 idr_destroy(&ctx_idr);
diff --git a/drivers/infiniband/core/user_mad.c b/drivers/infiniband/core/user_mad.c
index 5fa856909511..cd1996d0ad08 100644
--- a/drivers/infiniband/core/user_mad.c
+++ b/drivers/infiniband/core/user_mad.c
@@ -1022,7 +1022,7 @@ static int ib_umad_init_port(struct ib_device *device, int port_num,
1022 1022
1023 port->ib_dev = device; 1023 port->ib_dev = device;
1024 port->port_num = port_num; 1024 port->port_num = port_num;
1025 init_MUTEX(&port->sm_sem); 1025 sema_init(&port->sm_sem, 1);
1026 mutex_init(&port->file_mutex); 1026 mutex_init(&port->file_mutex);
1027 INIT_LIST_HEAD(&port->file_list); 1027 INIT_LIST_HEAD(&port->file_list);
1028 1028
diff --git a/drivers/infiniband/hw/amso1100/Kbuild b/drivers/infiniband/hw/amso1100/Kbuild
index 06964c4af849..950dfabcd89d 100644
--- a/drivers/infiniband/hw/amso1100/Kbuild
+++ b/drivers/infiniband/hw/amso1100/Kbuild
@@ -1,6 +1,4 @@
1ifdef CONFIG_INFINIBAND_AMSO1100_DEBUG 1ccflags-$(CONFIG_INFINIBAND_AMSO1100_DEBUG) := -DDEBUG
2EXTRA_CFLAGS += -DDEBUG
3endif
4 2
5obj-$(CONFIG_INFINIBAND_AMSO1100) += iw_c2.o 3obj-$(CONFIG_INFINIBAND_AMSO1100) += iw_c2.o
6 4
diff --git a/drivers/infiniband/hw/amso1100/c2_intr.c b/drivers/infiniband/hw/amso1100/c2_intr.c
index 3b5095470cb3..0ebe4e806b86 100644
--- a/drivers/infiniband/hw/amso1100/c2_intr.c
+++ b/drivers/infiniband/hw/amso1100/c2_intr.c
@@ -62,8 +62,8 @@ void c2_rnic_interrupt(struct c2_dev *c2dev)
62static void handle_mq(struct c2_dev *c2dev, u32 mq_index) 62static void handle_mq(struct c2_dev *c2dev, u32 mq_index)
63{ 63{
64 if (c2dev->qptr_array[mq_index] == NULL) { 64 if (c2dev->qptr_array[mq_index] == NULL) {
65 pr_debug(KERN_INFO "handle_mq: stray activity for mq_index=%d\n", 65 pr_debug("handle_mq: stray activity for mq_index=%d\n",
66 mq_index); 66 mq_index);
67 return; 67 return;
68 } 68 }
69 69
diff --git a/drivers/infiniband/hw/cxgb3/Makefile b/drivers/infiniband/hw/cxgb3/Makefile
index 7e7b5a66f042..621619c794e5 100644
--- a/drivers/infiniband/hw/cxgb3/Makefile
+++ b/drivers/infiniband/hw/cxgb3/Makefile
@@ -1,10 +1,8 @@
1EXTRA_CFLAGS += -Idrivers/net/cxgb3 1ccflags-y := -Idrivers/net/cxgb3
2 2
3obj-$(CONFIG_INFINIBAND_CXGB3) += iw_cxgb3.o 3obj-$(CONFIG_INFINIBAND_CXGB3) += iw_cxgb3.o
4 4
5iw_cxgb3-y := iwch_cm.o iwch_ev.o iwch_cq.o iwch_qp.o iwch_mem.o \ 5iw_cxgb3-y := iwch_cm.o iwch_ev.o iwch_cq.o iwch_qp.o iwch_mem.o \
6 iwch_provider.o iwch.o cxio_hal.o cxio_resource.o 6 iwch_provider.o iwch.o cxio_hal.o cxio_resource.o
7 7
8ifdef CONFIG_INFINIBAND_CXGB3_DEBUG 8ccflags-$(CONFIG_INFINIBAND_CXGB3_DEBUG) += -DDEBUG
9EXTRA_CFLAGS += -DDEBUG
10endif
diff --git a/drivers/infiniband/hw/cxgb3/cxio_hal.c b/drivers/infiniband/hw/cxgb3/cxio_hal.c
index 005b7b52bc1e..09dda0b8740e 100644
--- a/drivers/infiniband/hw/cxgb3/cxio_hal.c
+++ b/drivers/infiniband/hw/cxgb3/cxio_hal.c
@@ -160,6 +160,7 @@ int cxio_create_cq(struct cxio_rdev *rdev_p, struct t3_cq *cq, int kernel)
160 struct rdma_cq_setup setup; 160 struct rdma_cq_setup setup;
161 int size = (1UL << (cq->size_log2)) * sizeof(struct t3_cqe); 161 int size = (1UL << (cq->size_log2)) * sizeof(struct t3_cqe);
162 162
163 size += 1; /* one extra page for storing cq-in-err state */
163 cq->cqid = cxio_hal_get_cqid(rdev_p->rscp); 164 cq->cqid = cxio_hal_get_cqid(rdev_p->rscp);
164 if (!cq->cqid) 165 if (!cq->cqid)
165 return -ENOMEM; 166 return -ENOMEM;
diff --git a/drivers/infiniband/hw/cxgb3/cxio_wr.h b/drivers/infiniband/hw/cxgb3/cxio_wr.h
index e5ddb63e7d23..4bb997aa39d0 100644
--- a/drivers/infiniband/hw/cxgb3/cxio_wr.h
+++ b/drivers/infiniband/hw/cxgb3/cxio_wr.h
@@ -728,6 +728,22 @@ struct t3_cq {
728#define CQ_VLD_ENTRY(ptr,size_log2,cqe) (Q_GENBIT(ptr,size_log2) == \ 728#define CQ_VLD_ENTRY(ptr,size_log2,cqe) (Q_GENBIT(ptr,size_log2) == \
729 CQE_GENBIT(*cqe)) 729 CQE_GENBIT(*cqe))
730 730
731struct t3_cq_status_page {
732 u32 cq_err;
733};
734
735static inline int cxio_cq_in_error(struct t3_cq *cq)
736{
737 return ((struct t3_cq_status_page *)
738 &cq->queue[1 << cq->size_log2])->cq_err;
739}
740
741static inline void cxio_set_cq_in_error(struct t3_cq *cq)
742{
743 ((struct t3_cq_status_page *)
744 &cq->queue[1 << cq->size_log2])->cq_err = 1;
745}
746
731static inline void cxio_set_wq_in_error(struct t3_wq *wq) 747static inline void cxio_set_wq_in_error(struct t3_wq *wq)
732{ 748{
733 wq->queue->wq_in_err.err |= 1; 749 wq->queue->wq_in_err.err |= 1;
diff --git a/drivers/infiniband/hw/cxgb3/iwch_cm.c b/drivers/infiniband/hw/cxgb3/iwch_cm.c
index 13c88871dc3b..d02dcc6e5963 100644
--- a/drivers/infiniband/hw/cxgb3/iwch_cm.c
+++ b/drivers/infiniband/hw/cxgb3/iwch_cm.c
@@ -1093,8 +1093,8 @@ static int tx_ack(struct t3cdev *tdev, struct sk_buff *skb, void *ctx)
1093 PDBG("%s ep %p credits %u\n", __func__, ep, credits); 1093 PDBG("%s ep %p credits %u\n", __func__, ep, credits);
1094 1094
1095 if (credits == 0) { 1095 if (credits == 0) {
1096 PDBG(KERN_ERR "%s 0 credit ack ep %p state %u\n", 1096 PDBG("%s 0 credit ack ep %p state %u\n",
1097 __func__, ep, state_read(&ep->com)); 1097 __func__, ep, state_read(&ep->com));
1098 return CPL_RET_BUF_DONE; 1098 return CPL_RET_BUF_DONE;
1099 } 1099 }
1100 1100
diff --git a/drivers/infiniband/hw/cxgb3/iwch_ev.c b/drivers/infiniband/hw/cxgb3/iwch_ev.c
index 6afc89e7572c..71e0d845da3d 100644
--- a/drivers/infiniband/hw/cxgb3/iwch_ev.c
+++ b/drivers/infiniband/hw/cxgb3/iwch_ev.c
@@ -76,6 +76,14 @@ static void post_qp_event(struct iwch_dev *rnicp, struct iwch_cq *chp,
76 atomic_inc(&qhp->refcnt); 76 atomic_inc(&qhp->refcnt);
77 spin_unlock(&rnicp->lock); 77 spin_unlock(&rnicp->lock);
78 78
79 if (qhp->attr.state == IWCH_QP_STATE_RTS) {
80 attrs.next_state = IWCH_QP_STATE_TERMINATE;
81 iwch_modify_qp(qhp->rhp, qhp, IWCH_QP_ATTR_NEXT_STATE,
82 &attrs, 1);
83 if (send_term)
84 iwch_post_terminate(qhp, rsp_msg);
85 }
86
79 event.event = ib_event; 87 event.event = ib_event;
80 event.device = chp->ibcq.device; 88 event.device = chp->ibcq.device;
81 if (ib_event == IB_EVENT_CQ_ERR) 89 if (ib_event == IB_EVENT_CQ_ERR)
@@ -86,13 +94,7 @@ static void post_qp_event(struct iwch_dev *rnicp, struct iwch_cq *chp,
86 if (qhp->ibqp.event_handler) 94 if (qhp->ibqp.event_handler)
87 (*qhp->ibqp.event_handler)(&event, qhp->ibqp.qp_context); 95 (*qhp->ibqp.event_handler)(&event, qhp->ibqp.qp_context);
88 96
89 if (qhp->attr.state == IWCH_QP_STATE_RTS) { 97 (*chp->ibcq.comp_handler)(&chp->ibcq, chp->ibcq.cq_context);
90 attrs.next_state = IWCH_QP_STATE_TERMINATE;
91 iwch_modify_qp(qhp->rhp, qhp, IWCH_QP_ATTR_NEXT_STATE,
92 &attrs, 1);
93 if (send_term)
94 iwch_post_terminate(qhp, rsp_msg);
95 }
96 98
97 if (atomic_dec_and_test(&qhp->refcnt)) 99 if (atomic_dec_and_test(&qhp->refcnt))
98 wake_up(&qhp->wait); 100 wake_up(&qhp->wait);
@@ -179,7 +181,6 @@ void iwch_ev_dispatch(struct cxio_rdev *rdev_p, struct sk_buff *skb)
179 case TPT_ERR_BOUND: 181 case TPT_ERR_BOUND:
180 case TPT_ERR_INVALIDATE_SHARED_MR: 182 case TPT_ERR_INVALIDATE_SHARED_MR:
181 case TPT_ERR_INVALIDATE_MR_WITH_MW_BOUND: 183 case TPT_ERR_INVALIDATE_MR_WITH_MW_BOUND:
182 (*chp->ibcq.comp_handler)(&chp->ibcq, chp->ibcq.cq_context);
183 post_qp_event(rnicp, chp, rsp_msg, IB_EVENT_QP_ACCESS_ERR, 1); 184 post_qp_event(rnicp, chp, rsp_msg, IB_EVENT_QP_ACCESS_ERR, 1);
184 break; 185 break;
185 186
diff --git a/drivers/infiniband/hw/cxgb3/iwch_provider.c b/drivers/infiniband/hw/cxgb3/iwch_provider.c
index fca0b4b747e4..2e2741307af4 100644
--- a/drivers/infiniband/hw/cxgb3/iwch_provider.c
+++ b/drivers/infiniband/hw/cxgb3/iwch_provider.c
@@ -154,6 +154,8 @@ static struct ib_cq *iwch_create_cq(struct ib_device *ibdev, int entries, int ve
154 struct iwch_create_cq_resp uresp; 154 struct iwch_create_cq_resp uresp;
155 struct iwch_create_cq_req ureq; 155 struct iwch_create_cq_req ureq;
156 struct iwch_ucontext *ucontext = NULL; 156 struct iwch_ucontext *ucontext = NULL;
157 static int warned;
158 size_t resplen;
157 159
158 PDBG("%s ib_dev %p entries %d\n", __func__, ibdev, entries); 160 PDBG("%s ib_dev %p entries %d\n", __func__, ibdev, entries);
159 rhp = to_iwch_dev(ibdev); 161 rhp = to_iwch_dev(ibdev);
@@ -217,15 +219,26 @@ static struct ib_cq *iwch_create_cq(struct ib_device *ibdev, int entries, int ve
217 uresp.key = ucontext->key; 219 uresp.key = ucontext->key;
218 ucontext->key += PAGE_SIZE; 220 ucontext->key += PAGE_SIZE;
219 spin_unlock(&ucontext->mmap_lock); 221 spin_unlock(&ucontext->mmap_lock);
220 if (ib_copy_to_udata(udata, &uresp, sizeof (uresp))) { 222 mm->key = uresp.key;
223 mm->addr = virt_to_phys(chp->cq.queue);
224 if (udata->outlen < sizeof uresp) {
225 if (!warned++)
226 printk(KERN_WARNING MOD "Warning - "
227 "downlevel libcxgb3 (non-fatal).\n");
228 mm->len = PAGE_ALIGN((1UL << uresp.size_log2) *
229 sizeof(struct t3_cqe));
230 resplen = sizeof(struct iwch_create_cq_resp_v0);
231 } else {
232 mm->len = PAGE_ALIGN(((1UL << uresp.size_log2) + 1) *
233 sizeof(struct t3_cqe));
234 uresp.memsize = mm->len;
235 resplen = sizeof uresp;
236 }
237 if (ib_copy_to_udata(udata, &uresp, resplen)) {
221 kfree(mm); 238 kfree(mm);
222 iwch_destroy_cq(&chp->ibcq); 239 iwch_destroy_cq(&chp->ibcq);
223 return ERR_PTR(-EFAULT); 240 return ERR_PTR(-EFAULT);
224 } 241 }
225 mm->key = uresp.key;
226 mm->addr = virt_to_phys(chp->cq.queue);
227 mm->len = PAGE_ALIGN((1UL << uresp.size_log2) *
228 sizeof (struct t3_cqe));
229 insert_mmap(ucontext, mm); 242 insert_mmap(ucontext, mm);
230 } 243 }
231 PDBG("created cqid 0x%0x chp %p size 0x%0x, dma_addr 0x%0llx\n", 244 PDBG("created cqid 0x%0x chp %p size 0x%0x, dma_addr 0x%0llx\n",
@@ -1414,6 +1427,7 @@ int iwch_register_device(struct iwch_dev *dev)
1414 dev->ibdev.post_send = iwch_post_send; 1427 dev->ibdev.post_send = iwch_post_send;
1415 dev->ibdev.post_recv = iwch_post_receive; 1428 dev->ibdev.post_recv = iwch_post_receive;
1416 dev->ibdev.get_protocol_stats = iwch_get_mib; 1429 dev->ibdev.get_protocol_stats = iwch_get_mib;
1430 dev->ibdev.uverbs_abi_ver = IWCH_UVERBS_ABI_VERSION;
1417 1431
1418 dev->ibdev.iwcm = kmalloc(sizeof(struct iw_cm_verbs), GFP_KERNEL); 1432 dev->ibdev.iwcm = kmalloc(sizeof(struct iw_cm_verbs), GFP_KERNEL);
1419 if (!dev->ibdev.iwcm) 1433 if (!dev->ibdev.iwcm)
diff --git a/drivers/infiniband/hw/cxgb3/iwch_qp.c b/drivers/infiniband/hw/cxgb3/iwch_qp.c
index c64d27bf2c15..0993137181d7 100644
--- a/drivers/infiniband/hw/cxgb3/iwch_qp.c
+++ b/drivers/infiniband/hw/cxgb3/iwch_qp.c
@@ -802,14 +802,12 @@ int iwch_post_terminate(struct iwch_qp *qhp, struct respQ_msg_t *rsp_msg)
802/* 802/*
803 * Assumes qhp lock is held. 803 * Assumes qhp lock is held.
804 */ 804 */
805static void __flush_qp(struct iwch_qp *qhp, unsigned long *flag) 805static void __flush_qp(struct iwch_qp *qhp, struct iwch_cq *rchp,
806 struct iwch_cq *schp, unsigned long *flag)
806{ 807{
807 struct iwch_cq *rchp, *schp;
808 int count; 808 int count;
809 int flushed; 809 int flushed;
810 810
811 rchp = get_chp(qhp->rhp, qhp->attr.rcq);
812 schp = get_chp(qhp->rhp, qhp->attr.scq);
813 811
814 PDBG("%s qhp %p rchp %p schp %p\n", __func__, qhp, rchp, schp); 812 PDBG("%s qhp %p rchp %p schp %p\n", __func__, qhp, rchp, schp);
815 /* take a ref on the qhp since we must release the lock */ 813 /* take a ref on the qhp since we must release the lock */
@@ -847,10 +845,23 @@ static void __flush_qp(struct iwch_qp *qhp, unsigned long *flag)
847 845
848static void flush_qp(struct iwch_qp *qhp, unsigned long *flag) 846static void flush_qp(struct iwch_qp *qhp, unsigned long *flag)
849{ 847{
850 if (qhp->ibqp.uobject) 848 struct iwch_cq *rchp, *schp;
849
850 rchp = get_chp(qhp->rhp, qhp->attr.rcq);
851 schp = get_chp(qhp->rhp, qhp->attr.scq);
852
853 if (qhp->ibqp.uobject) {
851 cxio_set_wq_in_error(&qhp->wq); 854 cxio_set_wq_in_error(&qhp->wq);
852 else 855 cxio_set_cq_in_error(&rchp->cq);
853 __flush_qp(qhp, flag); 856 (*rchp->ibcq.comp_handler)(&rchp->ibcq, rchp->ibcq.cq_context);
857 if (schp != rchp) {
858 cxio_set_cq_in_error(&schp->cq);
859 (*schp->ibcq.comp_handler)(&schp->ibcq,
860 schp->ibcq.cq_context);
861 }
862 return;
863 }
864 __flush_qp(qhp, rchp, schp, flag);
854} 865}
855 866
856 867
diff --git a/drivers/infiniband/hw/cxgb3/iwch_user.h b/drivers/infiniband/hw/cxgb3/iwch_user.h
index cb7086f558c1..a277c31fcaf7 100644
--- a/drivers/infiniband/hw/cxgb3/iwch_user.h
+++ b/drivers/infiniband/hw/cxgb3/iwch_user.h
@@ -45,10 +45,18 @@ struct iwch_create_cq_req {
45 __u64 user_rptr_addr; 45 __u64 user_rptr_addr;
46}; 46};
47 47
48struct iwch_create_cq_resp_v0 {
49 __u64 key;
50 __u32 cqid;
51 __u32 size_log2;
52};
53
48struct iwch_create_cq_resp { 54struct iwch_create_cq_resp {
49 __u64 key; 55 __u64 key;
50 __u32 cqid; 56 __u32 cqid;
51 __u32 size_log2; 57 __u32 size_log2;
58 __u32 memsize;
59 __u32 reserved;
52}; 60};
53 61
54struct iwch_create_qp_resp { 62struct iwch_create_qp_resp {
diff --git a/drivers/infiniband/hw/cxgb4/Makefile b/drivers/infiniband/hw/cxgb4/Makefile
index e31a499f0172..cd20b1342aec 100644
--- a/drivers/infiniband/hw/cxgb4/Makefile
+++ b/drivers/infiniband/hw/cxgb4/Makefile
@@ -1,4 +1,4 @@
1EXTRA_CFLAGS += -Idrivers/net/cxgb4 1ccflags-y := -Idrivers/net/cxgb4
2 2
3obj-$(CONFIG_INFINIBAND_CXGB4) += iw_cxgb4.o 3obj-$(CONFIG_INFINIBAND_CXGB4) += iw_cxgb4.o
4 4
diff --git a/drivers/infiniband/hw/cxgb4/cm.c b/drivers/infiniband/hw/cxgb4/cm.c
index 32d352a88d50..0dc62b1438be 100644
--- a/drivers/infiniband/hw/cxgb4/cm.c
+++ b/drivers/infiniband/hw/cxgb4/cm.c
@@ -117,9 +117,9 @@ static int rcv_win = 256 * 1024;
117module_param(rcv_win, int, 0644); 117module_param(rcv_win, int, 0644);
118MODULE_PARM_DESC(rcv_win, "TCP receive window in bytes (default=256KB)"); 118MODULE_PARM_DESC(rcv_win, "TCP receive window in bytes (default=256KB)");
119 119
120static int snd_win = 32 * 1024; 120static int snd_win = 128 * 1024;
121module_param(snd_win, int, 0644); 121module_param(snd_win, int, 0644);
122MODULE_PARM_DESC(snd_win, "TCP send window in bytes (default=32KB)"); 122MODULE_PARM_DESC(snd_win, "TCP send window in bytes (default=128KB)");
123 123
124static struct workqueue_struct *workq; 124static struct workqueue_struct *workq;
125 125
@@ -172,7 +172,7 @@ static int c4iw_l2t_send(struct c4iw_rdev *rdev, struct sk_buff *skb,
172 error = cxgb4_l2t_send(rdev->lldi.ports[0], skb, l2e); 172 error = cxgb4_l2t_send(rdev->lldi.ports[0], skb, l2e);
173 if (error < 0) 173 if (error < 0)
174 kfree_skb(skb); 174 kfree_skb(skb);
175 return error; 175 return error < 0 ? error : 0;
176} 176}
177 177
178int c4iw_ofld_send(struct c4iw_rdev *rdev, struct sk_buff *skb) 178int c4iw_ofld_send(struct c4iw_rdev *rdev, struct sk_buff *skb)
@@ -187,7 +187,7 @@ int c4iw_ofld_send(struct c4iw_rdev *rdev, struct sk_buff *skb)
187 error = cxgb4_ofld_send(rdev->lldi.ports[0], skb); 187 error = cxgb4_ofld_send(rdev->lldi.ports[0], skb);
188 if (error < 0) 188 if (error < 0)
189 kfree_skb(skb); 189 kfree_skb(skb);
190 return error; 190 return error < 0 ? error : 0;
191} 191}
192 192
193static void release_tid(struct c4iw_rdev *rdev, u32 hwtid, struct sk_buff *skb) 193static void release_tid(struct c4iw_rdev *rdev, u32 hwtid, struct sk_buff *skb)
@@ -219,12 +219,11 @@ static void set_emss(struct c4iw_ep *ep, u16 opt)
219 219
220static enum c4iw_ep_state state_read(struct c4iw_ep_common *epc) 220static enum c4iw_ep_state state_read(struct c4iw_ep_common *epc)
221{ 221{
222 unsigned long flags;
223 enum c4iw_ep_state state; 222 enum c4iw_ep_state state;
224 223
225 spin_lock_irqsave(&epc->lock, flags); 224 mutex_lock(&epc->mutex);
226 state = epc->state; 225 state = epc->state;
227 spin_unlock_irqrestore(&epc->lock, flags); 226 mutex_unlock(&epc->mutex);
228 return state; 227 return state;
229} 228}
230 229
@@ -235,12 +234,10 @@ static void __state_set(struct c4iw_ep_common *epc, enum c4iw_ep_state new)
235 234
236static void state_set(struct c4iw_ep_common *epc, enum c4iw_ep_state new) 235static void state_set(struct c4iw_ep_common *epc, enum c4iw_ep_state new)
237{ 236{
238 unsigned long flags; 237 mutex_lock(&epc->mutex);
239
240 spin_lock_irqsave(&epc->lock, flags);
241 PDBG("%s - %s -> %s\n", __func__, states[epc->state], states[new]); 238 PDBG("%s - %s -> %s\n", __func__, states[epc->state], states[new]);
242 __state_set(epc, new); 239 __state_set(epc, new);
243 spin_unlock_irqrestore(&epc->lock, flags); 240 mutex_unlock(&epc->mutex);
244 return; 241 return;
245} 242}
246 243
@@ -251,8 +248,8 @@ static void *alloc_ep(int size, gfp_t gfp)
251 epc = kzalloc(size, gfp); 248 epc = kzalloc(size, gfp);
252 if (epc) { 249 if (epc) {
253 kref_init(&epc->kref); 250 kref_init(&epc->kref);
254 spin_lock_init(&epc->lock); 251 mutex_init(&epc->mutex);
255 init_waitqueue_head(&epc->waitq); 252 c4iw_init_wr_wait(&epc->wr_wait);
256 } 253 }
257 PDBG("%s alloc ep %p\n", __func__, epc); 254 PDBG("%s alloc ep %p\n", __func__, epc);
258 return epc; 255 return epc;
@@ -1131,7 +1128,6 @@ static int abort_rpl(struct c4iw_dev *dev, struct sk_buff *skb)
1131{ 1128{
1132 struct c4iw_ep *ep; 1129 struct c4iw_ep *ep;
1133 struct cpl_abort_rpl_rss *rpl = cplhdr(skb); 1130 struct cpl_abort_rpl_rss *rpl = cplhdr(skb);
1134 unsigned long flags;
1135 int release = 0; 1131 int release = 0;
1136 unsigned int tid = GET_TID(rpl); 1132 unsigned int tid = GET_TID(rpl);
1137 struct tid_info *t = dev->rdev.lldi.tids; 1133 struct tid_info *t = dev->rdev.lldi.tids;
@@ -1139,7 +1135,7 @@ static int abort_rpl(struct c4iw_dev *dev, struct sk_buff *skb)
1139 ep = lookup_tid(t, tid); 1135 ep = lookup_tid(t, tid);
1140 PDBG("%s ep %p tid %u\n", __func__, ep, ep->hwtid); 1136 PDBG("%s ep %p tid %u\n", __func__, ep, ep->hwtid);
1141 BUG_ON(!ep); 1137 BUG_ON(!ep);
1142 spin_lock_irqsave(&ep->com.lock, flags); 1138 mutex_lock(&ep->com.mutex);
1143 switch (ep->com.state) { 1139 switch (ep->com.state) {
1144 case ABORTING: 1140 case ABORTING:
1145 __state_set(&ep->com, DEAD); 1141 __state_set(&ep->com, DEAD);
@@ -1150,7 +1146,7 @@ static int abort_rpl(struct c4iw_dev *dev, struct sk_buff *skb)
1150 __func__, ep, ep->com.state); 1146 __func__, ep, ep->com.state);
1151 break; 1147 break;
1152 } 1148 }
1153 spin_unlock_irqrestore(&ep->com.lock, flags); 1149 mutex_unlock(&ep->com.mutex);
1154 1150
1155 if (release) 1151 if (release)
1156 release_ep_resources(ep); 1152 release_ep_resources(ep);
@@ -1213,9 +1209,9 @@ static int pass_open_rpl(struct c4iw_dev *dev, struct sk_buff *skb)
1213 } 1209 }
1214 PDBG("%s ep %p status %d error %d\n", __func__, ep, 1210 PDBG("%s ep %p status %d error %d\n", __func__, ep,
1215 rpl->status, status2errno(rpl->status)); 1211 rpl->status, status2errno(rpl->status));
1216 ep->com.rpl_err = status2errno(rpl->status); 1212 ep->com.wr_wait.ret = status2errno(rpl->status);
1217 ep->com.rpl_done = 1; 1213 ep->com.wr_wait.done = 1;
1218 wake_up(&ep->com.waitq); 1214 wake_up(&ep->com.wr_wait.wait);
1219 1215
1220 return 0; 1216 return 0;
1221} 1217}
@@ -1249,9 +1245,9 @@ static int close_listsrv_rpl(struct c4iw_dev *dev, struct sk_buff *skb)
1249 struct c4iw_listen_ep *ep = lookup_stid(t, stid); 1245 struct c4iw_listen_ep *ep = lookup_stid(t, stid);
1250 1246
1251 PDBG("%s ep %p\n", __func__, ep); 1247 PDBG("%s ep %p\n", __func__, ep);
1252 ep->com.rpl_err = status2errno(rpl->status); 1248 ep->com.wr_wait.ret = status2errno(rpl->status);
1253 ep->com.rpl_done = 1; 1249 ep->com.wr_wait.done = 1;
1254 wake_up(&ep->com.waitq); 1250 wake_up(&ep->com.wr_wait.wait);
1255 return 0; 1251 return 0;
1256} 1252}
1257 1253
@@ -1478,7 +1474,6 @@ static int peer_close(struct c4iw_dev *dev, struct sk_buff *skb)
1478 struct cpl_peer_close *hdr = cplhdr(skb); 1474 struct cpl_peer_close *hdr = cplhdr(skb);
1479 struct c4iw_ep *ep; 1475 struct c4iw_ep *ep;
1480 struct c4iw_qp_attributes attrs; 1476 struct c4iw_qp_attributes attrs;
1481 unsigned long flags;
1482 int disconnect = 1; 1477 int disconnect = 1;
1483 int release = 0; 1478 int release = 0;
1484 int closing = 0; 1479 int closing = 0;
@@ -1489,7 +1484,7 @@ static int peer_close(struct c4iw_dev *dev, struct sk_buff *skb)
1489 PDBG("%s ep %p tid %u\n", __func__, ep, ep->hwtid); 1484 PDBG("%s ep %p tid %u\n", __func__, ep, ep->hwtid);
1490 dst_confirm(ep->dst); 1485 dst_confirm(ep->dst);
1491 1486
1492 spin_lock_irqsave(&ep->com.lock, flags); 1487 mutex_lock(&ep->com.mutex);
1493 switch (ep->com.state) { 1488 switch (ep->com.state) {
1494 case MPA_REQ_WAIT: 1489 case MPA_REQ_WAIT:
1495 __state_set(&ep->com, CLOSING); 1490 __state_set(&ep->com, CLOSING);
@@ -1507,17 +1502,17 @@ static int peer_close(struct c4iw_dev *dev, struct sk_buff *skb)
1507 * in rdma connection migration (see c4iw_accept_cr()). 1502 * in rdma connection migration (see c4iw_accept_cr()).
1508 */ 1503 */
1509 __state_set(&ep->com, CLOSING); 1504 __state_set(&ep->com, CLOSING);
1510 ep->com.rpl_done = 1; 1505 ep->com.wr_wait.done = 1;
1511 ep->com.rpl_err = -ECONNRESET; 1506 ep->com.wr_wait.ret = -ECONNRESET;
1512 PDBG("waking up ep %p tid %u\n", ep, ep->hwtid); 1507 PDBG("waking up ep %p tid %u\n", ep, ep->hwtid);
1513 wake_up(&ep->com.waitq); 1508 wake_up(&ep->com.wr_wait.wait);
1514 break; 1509 break;
1515 case MPA_REP_SENT: 1510 case MPA_REP_SENT:
1516 __state_set(&ep->com, CLOSING); 1511 __state_set(&ep->com, CLOSING);
1517 ep->com.rpl_done = 1; 1512 ep->com.wr_wait.done = 1;
1518 ep->com.rpl_err = -ECONNRESET; 1513 ep->com.wr_wait.ret = -ECONNRESET;
1519 PDBG("waking up ep %p tid %u\n", ep, ep->hwtid); 1514 PDBG("waking up ep %p tid %u\n", ep, ep->hwtid);
1520 wake_up(&ep->com.waitq); 1515 wake_up(&ep->com.wr_wait.wait);
1521 break; 1516 break;
1522 case FPDU_MODE: 1517 case FPDU_MODE:
1523 start_ep_timer(ep); 1518 start_ep_timer(ep);
@@ -1550,7 +1545,7 @@ static int peer_close(struct c4iw_dev *dev, struct sk_buff *skb)
1550 default: 1545 default:
1551 BUG_ON(1); 1546 BUG_ON(1);
1552 } 1547 }
1553 spin_unlock_irqrestore(&ep->com.lock, flags); 1548 mutex_unlock(&ep->com.mutex);
1554 if (closing) { 1549 if (closing) {
1555 attrs.next_state = C4IW_QP_STATE_CLOSING; 1550 attrs.next_state = C4IW_QP_STATE_CLOSING;
1556 c4iw_modify_qp(ep->com.qp->rhp, ep->com.qp, 1551 c4iw_modify_qp(ep->com.qp->rhp, ep->com.qp,
@@ -1581,7 +1576,6 @@ static int peer_abort(struct c4iw_dev *dev, struct sk_buff *skb)
1581 struct c4iw_qp_attributes attrs; 1576 struct c4iw_qp_attributes attrs;
1582 int ret; 1577 int ret;
1583 int release = 0; 1578 int release = 0;
1584 unsigned long flags;
1585 struct tid_info *t = dev->rdev.lldi.tids; 1579 struct tid_info *t = dev->rdev.lldi.tids;
1586 unsigned int tid = GET_TID(req); 1580 unsigned int tid = GET_TID(req);
1587 1581
@@ -1591,9 +1585,17 @@ static int peer_abort(struct c4iw_dev *dev, struct sk_buff *skb)
1591 ep->hwtid); 1585 ep->hwtid);
1592 return 0; 1586 return 0;
1593 } 1587 }
1594 spin_lock_irqsave(&ep->com.lock, flags);
1595 PDBG("%s ep %p tid %u state %u\n", __func__, ep, ep->hwtid, 1588 PDBG("%s ep %p tid %u state %u\n", __func__, ep, ep->hwtid,
1596 ep->com.state); 1589 ep->com.state);
1590
1591 /*
1592 * Wake up any threads in rdma_init() or rdma_fini().
1593 */
1594 ep->com.wr_wait.done = 1;
1595 ep->com.wr_wait.ret = -ECONNRESET;
1596 wake_up(&ep->com.wr_wait.wait);
1597
1598 mutex_lock(&ep->com.mutex);
1597 switch (ep->com.state) { 1599 switch (ep->com.state) {
1598 case CONNECTING: 1600 case CONNECTING:
1599 break; 1601 break;
@@ -1605,23 +1607,8 @@ static int peer_abort(struct c4iw_dev *dev, struct sk_buff *skb)
1605 connect_reply_upcall(ep, -ECONNRESET); 1607 connect_reply_upcall(ep, -ECONNRESET);
1606 break; 1608 break;
1607 case MPA_REP_SENT: 1609 case MPA_REP_SENT:
1608 ep->com.rpl_done = 1;
1609 ep->com.rpl_err = -ECONNRESET;
1610 PDBG("waking up ep %p\n", ep);
1611 wake_up(&ep->com.waitq);
1612 break; 1610 break;
1613 case MPA_REQ_RCVD: 1611 case MPA_REQ_RCVD:
1614
1615 /*
1616 * We're gonna mark this puppy DEAD, but keep
1617 * the reference on it until the ULP accepts or
1618 * rejects the CR. Also wake up anyone waiting
1619 * in rdma connection migration (see c4iw_accept_cr()).
1620 */
1621 ep->com.rpl_done = 1;
1622 ep->com.rpl_err = -ECONNRESET;
1623 PDBG("waking up ep %p tid %u\n", ep, ep->hwtid);
1624 wake_up(&ep->com.waitq);
1625 break; 1612 break;
1626 case MORIBUND: 1613 case MORIBUND:
1627 case CLOSING: 1614 case CLOSING:
@@ -1644,7 +1631,7 @@ static int peer_abort(struct c4iw_dev *dev, struct sk_buff *skb)
1644 break; 1631 break;
1645 case DEAD: 1632 case DEAD:
1646 PDBG("%s PEER_ABORT IN DEAD STATE!!!!\n", __func__); 1633 PDBG("%s PEER_ABORT IN DEAD STATE!!!!\n", __func__);
1647 spin_unlock_irqrestore(&ep->com.lock, flags); 1634 mutex_unlock(&ep->com.mutex);
1648 return 0; 1635 return 0;
1649 default: 1636 default:
1650 BUG_ON(1); 1637 BUG_ON(1);
@@ -1655,7 +1642,7 @@ static int peer_abort(struct c4iw_dev *dev, struct sk_buff *skb)
1655 __state_set(&ep->com, DEAD); 1642 __state_set(&ep->com, DEAD);
1656 release = 1; 1643 release = 1;
1657 } 1644 }
1658 spin_unlock_irqrestore(&ep->com.lock, flags); 1645 mutex_unlock(&ep->com.mutex);
1659 1646
1660 rpl_skb = get_skb(skb, sizeof(*rpl), GFP_KERNEL); 1647 rpl_skb = get_skb(skb, sizeof(*rpl), GFP_KERNEL);
1661 if (!rpl_skb) { 1648 if (!rpl_skb) {
@@ -1681,7 +1668,6 @@ static int close_con_rpl(struct c4iw_dev *dev, struct sk_buff *skb)
1681 struct c4iw_ep *ep; 1668 struct c4iw_ep *ep;
1682 struct c4iw_qp_attributes attrs; 1669 struct c4iw_qp_attributes attrs;
1683 struct cpl_close_con_rpl *rpl = cplhdr(skb); 1670 struct cpl_close_con_rpl *rpl = cplhdr(skb);
1684 unsigned long flags;
1685 int release = 0; 1671 int release = 0;
1686 struct tid_info *t = dev->rdev.lldi.tids; 1672 struct tid_info *t = dev->rdev.lldi.tids;
1687 unsigned int tid = GET_TID(rpl); 1673 unsigned int tid = GET_TID(rpl);
@@ -1692,7 +1678,7 @@ static int close_con_rpl(struct c4iw_dev *dev, struct sk_buff *skb)
1692 BUG_ON(!ep); 1678 BUG_ON(!ep);
1693 1679
1694 /* The cm_id may be null if we failed to connect */ 1680 /* The cm_id may be null if we failed to connect */
1695 spin_lock_irqsave(&ep->com.lock, flags); 1681 mutex_lock(&ep->com.mutex);
1696 switch (ep->com.state) { 1682 switch (ep->com.state) {
1697 case CLOSING: 1683 case CLOSING:
1698 __state_set(&ep->com, MORIBUND); 1684 __state_set(&ep->com, MORIBUND);
@@ -1717,7 +1703,7 @@ static int close_con_rpl(struct c4iw_dev *dev, struct sk_buff *skb)
1717 BUG_ON(1); 1703 BUG_ON(1);
1718 break; 1704 break;
1719 } 1705 }
1720 spin_unlock_irqrestore(&ep->com.lock, flags); 1706 mutex_unlock(&ep->com.mutex);
1721 if (release) 1707 if (release)
1722 release_ep_resources(ep); 1708 release_ep_resources(ep);
1723 return 0; 1709 return 0;
@@ -1725,23 +1711,24 @@ static int close_con_rpl(struct c4iw_dev *dev, struct sk_buff *skb)
1725 1711
1726static int terminate(struct c4iw_dev *dev, struct sk_buff *skb) 1712static int terminate(struct c4iw_dev *dev, struct sk_buff *skb)
1727{ 1713{
1728 struct c4iw_ep *ep; 1714 struct cpl_rdma_terminate *rpl = cplhdr(skb);
1729 struct cpl_rdma_terminate *term = cplhdr(skb);
1730 struct tid_info *t = dev->rdev.lldi.tids; 1715 struct tid_info *t = dev->rdev.lldi.tids;
1731 unsigned int tid = GET_TID(term); 1716 unsigned int tid = GET_TID(rpl);
1717 struct c4iw_ep *ep;
1718 struct c4iw_qp_attributes attrs;
1732 1719
1733 ep = lookup_tid(t, tid); 1720 ep = lookup_tid(t, tid);
1721 BUG_ON(!ep);
1734 1722
1735 if (state_read(&ep->com) != FPDU_MODE) 1723 if (ep->com.qp) {
1736 return 0; 1724 printk(KERN_WARNING MOD "TERM received tid %u qpid %u\n", tid,
1725 ep->com.qp->wq.sq.qid);
1726 attrs.next_state = C4IW_QP_STATE_TERMINATE;
1727 c4iw_modify_qp(ep->com.qp->rhp, ep->com.qp,
1728 C4IW_QP_ATTR_NEXT_STATE, &attrs, 1);
1729 } else
1730 printk(KERN_WARNING MOD "TERM received tid %u no qp\n", tid);
1737 1731
1738 PDBG("%s ep %p tid %u\n", __func__, ep, ep->hwtid);
1739 skb_pull(skb, sizeof *term);
1740 PDBG("%s saving %d bytes of term msg\n", __func__, skb->len);
1741 skb_copy_from_linear_data(skb, ep->com.qp->attr.terminate_buffer,
1742 skb->len);
1743 ep->com.qp->attr.terminate_msg_len = skb->len;
1744 ep->com.qp->attr.is_terminate_local = 0;
1745 return 0; 1732 return 0;
1746} 1733}
1747 1734
@@ -1762,8 +1749,8 @@ static int fw4_ack(struct c4iw_dev *dev, struct sk_buff *skb)
1762 ep = lookup_tid(t, tid); 1749 ep = lookup_tid(t, tid);
1763 PDBG("%s ep %p tid %u credits %u\n", __func__, ep, ep->hwtid, credits); 1750 PDBG("%s ep %p tid %u credits %u\n", __func__, ep, ep->hwtid, credits);
1764 if (credits == 0) { 1751 if (credits == 0) {
1765 PDBG(KERN_ERR "%s 0 credit ack ep %p tid %u state %u\n", 1752 PDBG("%s 0 credit ack ep %p tid %u state %u\n",
1766 __func__, ep, ep->hwtid, state_read(&ep->com)); 1753 __func__, ep, ep->hwtid, state_read(&ep->com));
1767 return 0; 1754 return 0;
1768 } 1755 }
1769 1756
@@ -2042,6 +2029,7 @@ int c4iw_create_listen(struct iw_cm_id *cm_id, int backlog)
2042 } 2029 }
2043 2030
2044 state_set(&ep->com, LISTEN); 2031 state_set(&ep->com, LISTEN);
2032 c4iw_init_wr_wait(&ep->com.wr_wait);
2045 err = cxgb4_create_server(ep->com.dev->rdev.lldi.ports[0], ep->stid, 2033 err = cxgb4_create_server(ep->com.dev->rdev.lldi.ports[0], ep->stid,
2046 ep->com.local_addr.sin_addr.s_addr, 2034 ep->com.local_addr.sin_addr.s_addr,
2047 ep->com.local_addr.sin_port, 2035 ep->com.local_addr.sin_port,
@@ -2050,15 +2038,8 @@ int c4iw_create_listen(struct iw_cm_id *cm_id, int backlog)
2050 goto fail3; 2038 goto fail3;
2051 2039
2052 /* wait for pass_open_rpl */ 2040 /* wait for pass_open_rpl */
2053 wait_event_timeout(ep->com.waitq, ep->com.rpl_done, C4IW_WR_TO); 2041 err = c4iw_wait_for_reply(&ep->com.dev->rdev, &ep->com.wr_wait, 0, 0,
2054 if (ep->com.rpl_done) 2042 __func__);
2055 err = ep->com.rpl_err;
2056 else {
2057 printk(KERN_ERR MOD "Device %s not responding!\n",
2058 pci_name(ep->com.dev->rdev.lldi.pdev));
2059 ep->com.dev->rdev.flags = T4_FATAL_ERROR;
2060 err = -EIO;
2061 }
2062 if (!err) { 2043 if (!err) {
2063 cm_id->provider_data = ep; 2044 cm_id->provider_data = ep;
2064 goto out; 2045 goto out;
@@ -2082,20 +2063,12 @@ int c4iw_destroy_listen(struct iw_cm_id *cm_id)
2082 2063
2083 might_sleep(); 2064 might_sleep();
2084 state_set(&ep->com, DEAD); 2065 state_set(&ep->com, DEAD);
2085 ep->com.rpl_done = 0; 2066 c4iw_init_wr_wait(&ep->com.wr_wait);
2086 ep->com.rpl_err = 0;
2087 err = listen_stop(ep); 2067 err = listen_stop(ep);
2088 if (err) 2068 if (err)
2089 goto done; 2069 goto done;
2090 wait_event_timeout(ep->com.waitq, ep->com.rpl_done, C4IW_WR_TO); 2070 err = c4iw_wait_for_reply(&ep->com.dev->rdev, &ep->com.wr_wait, 0, 0,
2091 if (ep->com.rpl_done) 2071 __func__);
2092 err = ep->com.rpl_err;
2093 else {
2094 printk(KERN_ERR MOD "Device %s not responding!\n",
2095 pci_name(ep->com.dev->rdev.lldi.pdev));
2096 ep->com.dev->rdev.flags = T4_FATAL_ERROR;
2097 err = -EIO;
2098 }
2099 cxgb4_free_stid(ep->com.dev->rdev.lldi.tids, ep->stid, PF_INET); 2072 cxgb4_free_stid(ep->com.dev->rdev.lldi.tids, ep->stid, PF_INET);
2100done: 2073done:
2101 cm_id->rem_ref(cm_id); 2074 cm_id->rem_ref(cm_id);
@@ -2106,12 +2079,11 @@ done:
2106int c4iw_ep_disconnect(struct c4iw_ep *ep, int abrupt, gfp_t gfp) 2079int c4iw_ep_disconnect(struct c4iw_ep *ep, int abrupt, gfp_t gfp)
2107{ 2080{
2108 int ret = 0; 2081 int ret = 0;
2109 unsigned long flags;
2110 int close = 0; 2082 int close = 0;
2111 int fatal = 0; 2083 int fatal = 0;
2112 struct c4iw_rdev *rdev; 2084 struct c4iw_rdev *rdev;
2113 2085
2114 spin_lock_irqsave(&ep->com.lock, flags); 2086 mutex_lock(&ep->com.mutex);
2115 2087
2116 PDBG("%s ep %p state %s, abrupt %d\n", __func__, ep, 2088 PDBG("%s ep %p state %s, abrupt %d\n", __func__, ep,
2117 states[ep->com.state], abrupt); 2089 states[ep->com.state], abrupt);
@@ -2158,7 +2130,7 @@ int c4iw_ep_disconnect(struct c4iw_ep *ep, int abrupt, gfp_t gfp)
2158 break; 2130 break;
2159 } 2131 }
2160 2132
2161 spin_unlock_irqrestore(&ep->com.lock, flags); 2133 mutex_unlock(&ep->com.mutex);
2162 if (close) { 2134 if (close) {
2163 if (abrupt) 2135 if (abrupt)
2164 ret = abort_connection(ep, NULL, gfp); 2136 ret = abort_connection(ep, NULL, gfp);
@@ -2172,6 +2144,13 @@ int c4iw_ep_disconnect(struct c4iw_ep *ep, int abrupt, gfp_t gfp)
2172 return ret; 2144 return ret;
2173} 2145}
2174 2146
2147static int async_event(struct c4iw_dev *dev, struct sk_buff *skb)
2148{
2149 struct cpl_fw6_msg *rpl = cplhdr(skb);
2150 c4iw_ev_dispatch(dev, (struct t4_cqe *)&rpl->data[0]);
2151 return 0;
2152}
2153
2175/* 2154/*
2176 * These are the real handlers that are called from a 2155 * These are the real handlers that are called from a
2177 * work queue. 2156 * work queue.
@@ -2190,7 +2169,8 @@ static c4iw_handler_func work_handlers[NUM_CPL_CMDS] = {
2190 [CPL_ABORT_REQ_RSS] = peer_abort, 2169 [CPL_ABORT_REQ_RSS] = peer_abort,
2191 [CPL_CLOSE_CON_RPL] = close_con_rpl, 2170 [CPL_CLOSE_CON_RPL] = close_con_rpl,
2192 [CPL_RDMA_TERMINATE] = terminate, 2171 [CPL_RDMA_TERMINATE] = terminate,
2193 [CPL_FW4_ACK] = fw4_ack 2172 [CPL_FW4_ACK] = fw4_ack,
2173 [CPL_FW6_MSG] = async_event
2194}; 2174};
2195 2175
2196static void process_timeout(struct c4iw_ep *ep) 2176static void process_timeout(struct c4iw_ep *ep)
@@ -2198,7 +2178,7 @@ static void process_timeout(struct c4iw_ep *ep)
2198 struct c4iw_qp_attributes attrs; 2178 struct c4iw_qp_attributes attrs;
2199 int abort = 1; 2179 int abort = 1;
2200 2180
2201 spin_lock_irq(&ep->com.lock); 2181 mutex_lock(&ep->com.mutex);
2202 PDBG("%s ep %p tid %u state %d\n", __func__, ep, ep->hwtid, 2182 PDBG("%s ep %p tid %u state %d\n", __func__, ep, ep->hwtid,
2203 ep->com.state); 2183 ep->com.state);
2204 switch (ep->com.state) { 2184 switch (ep->com.state) {
@@ -2225,7 +2205,7 @@ static void process_timeout(struct c4iw_ep *ep)
2225 WARN_ON(1); 2205 WARN_ON(1);
2226 abort = 0; 2206 abort = 0;
2227 } 2207 }
2228 spin_unlock_irq(&ep->com.lock); 2208 mutex_unlock(&ep->com.mutex);
2229 if (abort) 2209 if (abort)
2230 abort_connection(ep, NULL, GFP_KERNEL); 2210 abort_connection(ep, NULL, GFP_KERNEL);
2231 c4iw_put_ep(&ep->com); 2211 c4iw_put_ep(&ep->com);
@@ -2309,6 +2289,7 @@ static int set_tcb_rpl(struct c4iw_dev *dev, struct sk_buff *skb)
2309 printk(KERN_ERR MOD "Unexpected SET_TCB_RPL status %u " 2289 printk(KERN_ERR MOD "Unexpected SET_TCB_RPL status %u "
2310 "for tid %u\n", rpl->status, GET_TID(rpl)); 2290 "for tid %u\n", rpl->status, GET_TID(rpl));
2311 } 2291 }
2292 kfree_skb(skb);
2312 return 0; 2293 return 0;
2313} 2294}
2314 2295
@@ -2323,20 +2304,25 @@ static int fw6_msg(struct c4iw_dev *dev, struct sk_buff *skb)
2323 switch (rpl->type) { 2304 switch (rpl->type) {
2324 case 1: 2305 case 1:
2325 ret = (int)((be64_to_cpu(rpl->data[0]) >> 8) & 0xff); 2306 ret = (int)((be64_to_cpu(rpl->data[0]) >> 8) & 0xff);
2326 wr_waitp = (__force struct c4iw_wr_wait *)rpl->data[1]; 2307 wr_waitp = (struct c4iw_wr_wait *)(__force unsigned long) rpl->data[1];
2327 PDBG("%s wr_waitp %p ret %u\n", __func__, wr_waitp, ret); 2308 PDBG("%s wr_waitp %p ret %u\n", __func__, wr_waitp, ret);
2328 if (wr_waitp) { 2309 if (wr_waitp) {
2329 wr_waitp->ret = ret; 2310 if (ret)
2311 wr_waitp->ret = -ret;
2312 else
2313 wr_waitp->ret = 0;
2330 wr_waitp->done = 1; 2314 wr_waitp->done = 1;
2331 wake_up(&wr_waitp->wait); 2315 wake_up(&wr_waitp->wait);
2332 } 2316 }
2317 kfree_skb(skb);
2333 break; 2318 break;
2334 case 2: 2319 case 2:
2335 c4iw_ev_dispatch(dev, (struct t4_cqe *)&rpl->data[0]); 2320 sched(dev, skb);
2336 break; 2321 break;
2337 default: 2322 default:
2338 printk(KERN_ERR MOD "%s unexpected fw6 msg type %u\n", __func__, 2323 printk(KERN_ERR MOD "%s unexpected fw6 msg type %u\n", __func__,
2339 rpl->type); 2324 rpl->type);
2325 kfree_skb(skb);
2340 break; 2326 break;
2341 } 2327 }
2342 return 0; 2328 return 0;
diff --git a/drivers/infiniband/hw/cxgb4/cq.c b/drivers/infiniband/hw/cxgb4/cq.c
index b3daf39eed4a..8d8f8add6fcd 100644
--- a/drivers/infiniband/hw/cxgb4/cq.c
+++ b/drivers/infiniband/hw/cxgb4/cq.c
@@ -55,7 +55,7 @@ static int destroy_cq(struct c4iw_rdev *rdev, struct t4_cq *cq,
55 V_FW_RI_RES_WR_NRES(1) | 55 V_FW_RI_RES_WR_NRES(1) |
56 FW_WR_COMPL(1)); 56 FW_WR_COMPL(1));
57 res_wr->len16_pkd = cpu_to_be32(DIV_ROUND_UP(wr_len, 16)); 57 res_wr->len16_pkd = cpu_to_be32(DIV_ROUND_UP(wr_len, 16));
58 res_wr->cookie = (u64)&wr_wait; 58 res_wr->cookie = (unsigned long) &wr_wait;
59 res = res_wr->res; 59 res = res_wr->res;
60 res->u.cq.restype = FW_RI_RES_TYPE_CQ; 60 res->u.cq.restype = FW_RI_RES_TYPE_CQ;
61 res->u.cq.op = FW_RI_RES_OP_RESET; 61 res->u.cq.op = FW_RI_RES_OP_RESET;
@@ -64,14 +64,7 @@ static int destroy_cq(struct c4iw_rdev *rdev, struct t4_cq *cq,
64 c4iw_init_wr_wait(&wr_wait); 64 c4iw_init_wr_wait(&wr_wait);
65 ret = c4iw_ofld_send(rdev, skb); 65 ret = c4iw_ofld_send(rdev, skb);
66 if (!ret) { 66 if (!ret) {
67 wait_event_timeout(wr_wait.wait, wr_wait.done, C4IW_WR_TO); 67 ret = c4iw_wait_for_reply(rdev, &wr_wait, 0, 0, __func__);
68 if (!wr_wait.done) {
69 printk(KERN_ERR MOD "Device %s not responding!\n",
70 pci_name(rdev->lldi.pdev));
71 rdev->flags = T4_FATAL_ERROR;
72 ret = -EIO;
73 } else
74 ret = wr_wait.ret;
75 } 68 }
76 69
77 kfree(cq->sw_queue); 70 kfree(cq->sw_queue);
@@ -132,7 +125,7 @@ static int create_cq(struct c4iw_rdev *rdev, struct t4_cq *cq,
132 V_FW_RI_RES_WR_NRES(1) | 125 V_FW_RI_RES_WR_NRES(1) |
133 FW_WR_COMPL(1)); 126 FW_WR_COMPL(1));
134 res_wr->len16_pkd = cpu_to_be32(DIV_ROUND_UP(wr_len, 16)); 127 res_wr->len16_pkd = cpu_to_be32(DIV_ROUND_UP(wr_len, 16));
135 res_wr->cookie = (u64)&wr_wait; 128 res_wr->cookie = (unsigned long) &wr_wait;
136 res = res_wr->res; 129 res = res_wr->res;
137 res->u.cq.restype = FW_RI_RES_TYPE_CQ; 130 res->u.cq.restype = FW_RI_RES_TYPE_CQ;
138 res->u.cq.op = FW_RI_RES_OP_WRITE; 131 res->u.cq.op = FW_RI_RES_OP_WRITE;
@@ -157,14 +150,7 @@ static int create_cq(struct c4iw_rdev *rdev, struct t4_cq *cq,
157 if (ret) 150 if (ret)
158 goto err4; 151 goto err4;
159 PDBG("%s wait_event wr_wait %p\n", __func__, &wr_wait); 152 PDBG("%s wait_event wr_wait %p\n", __func__, &wr_wait);
160 wait_event_timeout(wr_wait.wait, wr_wait.done, C4IW_WR_TO); 153 ret = c4iw_wait_for_reply(rdev, &wr_wait, 0, 0, __func__);
161 if (!wr_wait.done) {
162 printk(KERN_ERR MOD "Device %s not responding!\n",
163 pci_name(rdev->lldi.pdev));
164 rdev->flags = T4_FATAL_ERROR;
165 ret = -EIO;
166 } else
167 ret = wr_wait.ret;
168 if (ret) 154 if (ret)
169 goto err4; 155 goto err4;
170 156
@@ -476,6 +462,11 @@ static int poll_cq(struct t4_wq *wq, struct t4_cq *cq, struct t4_cqe *cqe,
476 goto proc_cqe; 462 goto proc_cqe;
477 } 463 }
478 464
465 if (CQE_OPCODE(hw_cqe) == FW_RI_TERMINATE) {
466 ret = -EAGAIN;
467 goto skip_cqe;
468 }
469
479 /* 470 /*
480 * RECV completion. 471 * RECV completion.
481 */ 472 */
@@ -696,6 +687,7 @@ static int c4iw_poll_cq_one(struct c4iw_cq *chp, struct ib_wc *wc)
696 case T4_ERR_MSN_RANGE: 687 case T4_ERR_MSN_RANGE:
697 case T4_ERR_IRD_OVERFLOW: 688 case T4_ERR_IRD_OVERFLOW:
698 case T4_ERR_OPCODE: 689 case T4_ERR_OPCODE:
690 case T4_ERR_INTERNAL_ERR:
699 wc->status = IB_WC_FATAL_ERR; 691 wc->status = IB_WC_FATAL_ERR;
700 break; 692 break;
701 case T4_ERR_SWFLUSH: 693 case T4_ERR_SWFLUSH:
diff --git a/drivers/infiniband/hw/cxgb4/device.c b/drivers/infiniband/hw/cxgb4/device.c
index 9bbf491d5d9e..54fbc1118abe 100644
--- a/drivers/infiniband/hw/cxgb4/device.c
+++ b/drivers/infiniband/hw/cxgb4/device.c
@@ -49,29 +49,33 @@ static DEFINE_MUTEX(dev_mutex);
49 49
50static struct dentry *c4iw_debugfs_root; 50static struct dentry *c4iw_debugfs_root;
51 51
52struct debugfs_qp_data { 52struct c4iw_debugfs_data {
53 struct c4iw_dev *devp; 53 struct c4iw_dev *devp;
54 char *buf; 54 char *buf;
55 int bufsize; 55 int bufsize;
56 int pos; 56 int pos;
57}; 57};
58 58
59static int count_qps(int id, void *p, void *data) 59static int count_idrs(int id, void *p, void *data)
60{ 60{
61 struct c4iw_qp *qp = p;
62 int *countp = data; 61 int *countp = data;
63 62
64 if (id != qp->wq.sq.qid)
65 return 0;
66
67 *countp = *countp + 1; 63 *countp = *countp + 1;
68 return 0; 64 return 0;
69} 65}
70 66
71static int dump_qps(int id, void *p, void *data) 67static ssize_t debugfs_read(struct file *file, char __user *buf, size_t count,
68 loff_t *ppos)
69{
70 struct c4iw_debugfs_data *d = file->private_data;
71
72 return simple_read_from_buffer(buf, count, ppos, d->buf, d->pos);
73}
74
75static int dump_qp(int id, void *p, void *data)
72{ 76{
73 struct c4iw_qp *qp = p; 77 struct c4iw_qp *qp = p;
74 struct debugfs_qp_data *qpd = data; 78 struct c4iw_debugfs_data *qpd = data;
75 int space; 79 int space;
76 int cc; 80 int cc;
77 81
@@ -101,7 +105,7 @@ static int dump_qps(int id, void *p, void *data)
101 105
102static int qp_release(struct inode *inode, struct file *file) 106static int qp_release(struct inode *inode, struct file *file)
103{ 107{
104 struct debugfs_qp_data *qpd = file->private_data; 108 struct c4iw_debugfs_data *qpd = file->private_data;
105 if (!qpd) { 109 if (!qpd) {
106 printk(KERN_INFO "%s null qpd?\n", __func__); 110 printk(KERN_INFO "%s null qpd?\n", __func__);
107 return 0; 111 return 0;
@@ -113,7 +117,7 @@ static int qp_release(struct inode *inode, struct file *file)
113 117
114static int qp_open(struct inode *inode, struct file *file) 118static int qp_open(struct inode *inode, struct file *file)
115{ 119{
116 struct debugfs_qp_data *qpd; 120 struct c4iw_debugfs_data *qpd;
117 int ret = 0; 121 int ret = 0;
118 int count = 1; 122 int count = 1;
119 123
@@ -126,7 +130,7 @@ static int qp_open(struct inode *inode, struct file *file)
126 qpd->pos = 0; 130 qpd->pos = 0;
127 131
128 spin_lock_irq(&qpd->devp->lock); 132 spin_lock_irq(&qpd->devp->lock);
129 idr_for_each(&qpd->devp->qpidr, count_qps, &count); 133 idr_for_each(&qpd->devp->qpidr, count_idrs, &count);
130 spin_unlock_irq(&qpd->devp->lock); 134 spin_unlock_irq(&qpd->devp->lock);
131 135
132 qpd->bufsize = count * 128; 136 qpd->bufsize = count * 128;
@@ -137,7 +141,7 @@ static int qp_open(struct inode *inode, struct file *file)
137 } 141 }
138 142
139 spin_lock_irq(&qpd->devp->lock); 143 spin_lock_irq(&qpd->devp->lock);
140 idr_for_each(&qpd->devp->qpidr, dump_qps, qpd); 144 idr_for_each(&qpd->devp->qpidr, dump_qp, qpd);
141 spin_unlock_irq(&qpd->devp->lock); 145 spin_unlock_irq(&qpd->devp->lock);
142 146
143 qpd->buf[qpd->pos++] = 0; 147 qpd->buf[qpd->pos++] = 0;
@@ -149,43 +153,86 @@ out:
149 return ret; 153 return ret;
150} 154}
151 155
152static ssize_t qp_read(struct file *file, char __user *buf, size_t count, 156static const struct file_operations qp_debugfs_fops = {
153 loff_t *ppos) 157 .owner = THIS_MODULE,
158 .open = qp_open,
159 .release = qp_release,
160 .read = debugfs_read,
161 .llseek = default_llseek,
162};
163
164static int dump_stag(int id, void *p, void *data)
154{ 165{
155 struct debugfs_qp_data *qpd = file->private_data; 166 struct c4iw_debugfs_data *stagd = data;
156 loff_t pos = *ppos; 167 int space;
157 loff_t avail = qpd->pos; 168 int cc;
158 169
159 if (pos < 0) 170 space = stagd->bufsize - stagd->pos - 1;
160 return -EINVAL; 171 if (space == 0)
161 if (pos >= avail) 172 return 1;
173
174 cc = snprintf(stagd->buf + stagd->pos, space, "0x%x\n", id<<8);
175 if (cc < space)
176 stagd->pos += cc;
177 return 0;
178}
179
180static int stag_release(struct inode *inode, struct file *file)
181{
182 struct c4iw_debugfs_data *stagd = file->private_data;
183 if (!stagd) {
184 printk(KERN_INFO "%s null stagd?\n", __func__);
162 return 0; 185 return 0;
163 if (count > avail - pos) 186 }
164 count = avail - pos; 187 kfree(stagd->buf);
188 kfree(stagd);
189 return 0;
190}
165 191
166 while (count) { 192static int stag_open(struct inode *inode, struct file *file)
167 size_t len = 0; 193{
194 struct c4iw_debugfs_data *stagd;
195 int ret = 0;
196 int count = 1;
168 197
169 len = min((int)count, (int)qpd->pos - (int)pos); 198 stagd = kmalloc(sizeof *stagd, GFP_KERNEL);
170 if (copy_to_user(buf, qpd->buf + pos, len)) 199 if (!stagd) {
171 return -EFAULT; 200 ret = -ENOMEM;
172 if (len == 0) 201 goto out;
173 return -EINVAL; 202 }
203 stagd->devp = inode->i_private;
204 stagd->pos = 0;
205
206 spin_lock_irq(&stagd->devp->lock);
207 idr_for_each(&stagd->devp->mmidr, count_idrs, &count);
208 spin_unlock_irq(&stagd->devp->lock);
174 209
175 buf += len; 210 stagd->bufsize = count * sizeof("0x12345678\n");
176 pos += len; 211 stagd->buf = kmalloc(stagd->bufsize, GFP_KERNEL);
177 count -= len; 212 if (!stagd->buf) {
213 ret = -ENOMEM;
214 goto err1;
178 } 215 }
179 count = pos - *ppos; 216
180 *ppos = pos; 217 spin_lock_irq(&stagd->devp->lock);
181 return count; 218 idr_for_each(&stagd->devp->mmidr, dump_stag, stagd);
219 spin_unlock_irq(&stagd->devp->lock);
220
221 stagd->buf[stagd->pos++] = 0;
222 file->private_data = stagd;
223 goto out;
224err1:
225 kfree(stagd);
226out:
227 return ret;
182} 228}
183 229
184static const struct file_operations qp_debugfs_fops = { 230static const struct file_operations stag_debugfs_fops = {
185 .owner = THIS_MODULE, 231 .owner = THIS_MODULE,
186 .open = qp_open, 232 .open = stag_open,
187 .release = qp_release, 233 .release = stag_release,
188 .read = qp_read, 234 .read = debugfs_read,
235 .llseek = default_llseek,
189}; 236};
190 237
191static int setup_debugfs(struct c4iw_dev *devp) 238static int setup_debugfs(struct c4iw_dev *devp)
@@ -199,6 +246,11 @@ static int setup_debugfs(struct c4iw_dev *devp)
199 (void *)devp, &qp_debugfs_fops); 246 (void *)devp, &qp_debugfs_fops);
200 if (de && de->d_inode) 247 if (de && de->d_inode)
201 de->d_inode->i_size = 4096; 248 de->d_inode->i_size = 4096;
249
250 de = debugfs_create_file("stags", S_IWUSR, devp->debugfs_root,
251 (void *)devp, &stag_debugfs_fops);
252 if (de && de->d_inode)
253 de->d_inode->i_size = 4096;
202 return 0; 254 return 0;
203} 255}
204 256
@@ -290,7 +342,14 @@ static int c4iw_rdev_open(struct c4iw_rdev *rdev)
290 printk(KERN_ERR MOD "error %d initializing rqt pool\n", err); 342 printk(KERN_ERR MOD "error %d initializing rqt pool\n", err);
291 goto err3; 343 goto err3;
292 } 344 }
345 err = c4iw_ocqp_pool_create(rdev);
346 if (err) {
347 printk(KERN_ERR MOD "error %d initializing ocqp pool\n", err);
348 goto err4;
349 }
293 return 0; 350 return 0;
351err4:
352 c4iw_rqtpool_destroy(rdev);
294err3: 353err3:
295 c4iw_pblpool_destroy(rdev); 354 c4iw_pblpool_destroy(rdev);
296err2: 355err2:
@@ -317,6 +376,7 @@ static void c4iw_remove(struct c4iw_dev *dev)
317 idr_destroy(&dev->cqidr); 376 idr_destroy(&dev->cqidr);
318 idr_destroy(&dev->qpidr); 377 idr_destroy(&dev->qpidr);
319 idr_destroy(&dev->mmidr); 378 idr_destroy(&dev->mmidr);
379 iounmap(dev->rdev.oc_mw_kva);
320 ib_dealloc_device(&dev->ibdev); 380 ib_dealloc_device(&dev->ibdev);
321} 381}
322 382
@@ -332,6 +392,17 @@ static struct c4iw_dev *c4iw_alloc(const struct cxgb4_lld_info *infop)
332 } 392 }
333 devp->rdev.lldi = *infop; 393 devp->rdev.lldi = *infop;
334 394
395 devp->rdev.oc_mw_pa = pci_resource_start(devp->rdev.lldi.pdev, 2) +
396 (pci_resource_len(devp->rdev.lldi.pdev, 2) -
397 roundup_pow_of_two(devp->rdev.lldi.vr->ocq.size));
398 devp->rdev.oc_mw_kva = ioremap_wc(devp->rdev.oc_mw_pa,
399 devp->rdev.lldi.vr->ocq.size);
400
401 printk(KERN_INFO MOD "ocq memory: "
402 "hw_start 0x%x size %u mw_pa 0x%lx mw_kva %p\n",
403 devp->rdev.lldi.vr->ocq.start, devp->rdev.lldi.vr->ocq.size,
404 devp->rdev.oc_mw_pa, devp->rdev.oc_mw_kva);
405
335 mutex_lock(&dev_mutex); 406 mutex_lock(&dev_mutex);
336 407
337 ret = c4iw_rdev_open(&devp->rdev); 408 ret = c4iw_rdev_open(&devp->rdev);
@@ -383,46 +454,6 @@ out:
383 return dev; 454 return dev;
384} 455}
385 456
386static struct sk_buff *t4_pktgl_to_skb(const struct pkt_gl *gl,
387 unsigned int skb_len,
388 unsigned int pull_len)
389{
390 struct sk_buff *skb;
391 struct skb_shared_info *ssi;
392
393 if (gl->tot_len <= 512) {
394 skb = alloc_skb(gl->tot_len, GFP_ATOMIC);
395 if (unlikely(!skb))
396 goto out;
397 __skb_put(skb, gl->tot_len);
398 skb_copy_to_linear_data(skb, gl->va, gl->tot_len);
399 } else {
400 skb = alloc_skb(skb_len, GFP_ATOMIC);
401 if (unlikely(!skb))
402 goto out;
403 __skb_put(skb, pull_len);
404 skb_copy_to_linear_data(skb, gl->va, pull_len);
405
406 ssi = skb_shinfo(skb);
407 ssi->frags[0].page = gl->frags[0].page;
408 ssi->frags[0].page_offset = gl->frags[0].page_offset + pull_len;
409 ssi->frags[0].size = gl->frags[0].size - pull_len;
410 if (gl->nfrags > 1)
411 memcpy(&ssi->frags[1], &gl->frags[1],
412 (gl->nfrags - 1) * sizeof(skb_frag_t));
413 ssi->nr_frags = gl->nfrags;
414
415 skb->len = gl->tot_len;
416 skb->data_len = skb->len - pull_len;
417 skb->truesize += skb->data_len;
418
419 /* Get a reference for the last page, we don't own it */
420 get_page(gl->frags[gl->nfrags - 1].page);
421 }
422out:
423 return skb;
424}
425
426static int c4iw_uld_rx_handler(void *handle, const __be64 *rsp, 457static int c4iw_uld_rx_handler(void *handle, const __be64 *rsp,
427 const struct pkt_gl *gl) 458 const struct pkt_gl *gl)
428{ 459{
@@ -447,7 +478,7 @@ static int c4iw_uld_rx_handler(void *handle, const __be64 *rsp,
447 c4iw_ev_handler(dev, qid); 478 c4iw_ev_handler(dev, qid);
448 return 0; 479 return 0;
449 } else { 480 } else {
450 skb = t4_pktgl_to_skb(gl, 128, 128); 481 skb = cxgb4_pktgl_to_skb(gl, 128, 128);
451 if (unlikely(!skb)) 482 if (unlikely(!skb))
452 goto nomem; 483 goto nomem;
453 } 484 }
diff --git a/drivers/infiniband/hw/cxgb4/ev.c b/drivers/infiniband/hw/cxgb4/ev.c
index 491e76a0327f..c13041a0aeba 100644
--- a/drivers/infiniband/hw/cxgb4/ev.c
+++ b/drivers/infiniband/hw/cxgb4/ev.c
@@ -60,7 +60,7 @@ static void post_qp_event(struct c4iw_dev *dev, struct c4iw_cq *chp,
60 if (qhp->attr.state == C4IW_QP_STATE_RTS) { 60 if (qhp->attr.state == C4IW_QP_STATE_RTS) {
61 attrs.next_state = C4IW_QP_STATE_TERMINATE; 61 attrs.next_state = C4IW_QP_STATE_TERMINATE;
62 c4iw_modify_qp(qhp->rhp, qhp, C4IW_QP_ATTR_NEXT_STATE, 62 c4iw_modify_qp(qhp->rhp, qhp, C4IW_QP_ATTR_NEXT_STATE,
63 &attrs, 1); 63 &attrs, 0);
64 } 64 }
65 65
66 event.event = ib_event; 66 event.event = ib_event;
diff --git a/drivers/infiniband/hw/cxgb4/iw_cxgb4.h b/drivers/infiniband/hw/cxgb4/iw_cxgb4.h
index ed459b8f800f..16032cdb4337 100644
--- a/drivers/infiniband/hw/cxgb4/iw_cxgb4.h
+++ b/drivers/infiniband/hw/cxgb4/iw_cxgb4.h
@@ -46,6 +46,7 @@
46#include <linux/timer.h> 46#include <linux/timer.h>
47#include <linux/io.h> 47#include <linux/io.h>
48#include <linux/kfifo.h> 48#include <linux/kfifo.h>
49#include <linux/mutex.h>
49 50
50#include <asm/byteorder.h> 51#include <asm/byteorder.h>
51 52
@@ -79,21 +80,6 @@ static inline void *cplhdr(struct sk_buff *skb)
79 return skb->data; 80 return skb->data;
80} 81}
81 82
82#define C4IW_WR_TO (10*HZ)
83
84struct c4iw_wr_wait {
85 wait_queue_head_t wait;
86 int done;
87 int ret;
88};
89
90static inline void c4iw_init_wr_wait(struct c4iw_wr_wait *wr_waitp)
91{
92 wr_waitp->ret = 0;
93 wr_waitp->done = 0;
94 init_waitqueue_head(&wr_waitp->wait);
95}
96
97struct c4iw_resource { 83struct c4iw_resource {
98 struct kfifo tpt_fifo; 84 struct kfifo tpt_fifo;
99 spinlock_t tpt_fifo_lock; 85 spinlock_t tpt_fifo_lock;
@@ -127,8 +113,11 @@ struct c4iw_rdev {
127 struct c4iw_dev_ucontext uctx; 113 struct c4iw_dev_ucontext uctx;
128 struct gen_pool *pbl_pool; 114 struct gen_pool *pbl_pool;
129 struct gen_pool *rqt_pool; 115 struct gen_pool *rqt_pool;
116 struct gen_pool *ocqp_pool;
130 u32 flags; 117 u32 flags;
131 struct cxgb4_lld_info lldi; 118 struct cxgb4_lld_info lldi;
119 unsigned long oc_mw_pa;
120 void __iomem *oc_mw_kva;
132}; 121};
133 122
134static inline int c4iw_fatal_error(struct c4iw_rdev *rdev) 123static inline int c4iw_fatal_error(struct c4iw_rdev *rdev)
@@ -141,6 +130,44 @@ static inline int c4iw_num_stags(struct c4iw_rdev *rdev)
141 return min((int)T4_MAX_NUM_STAG, (int)(rdev->lldi.vr->stag.size >> 5)); 130 return min((int)T4_MAX_NUM_STAG, (int)(rdev->lldi.vr->stag.size >> 5));
142} 131}
143 132
133#define C4IW_WR_TO (10*HZ)
134
135struct c4iw_wr_wait {
136 wait_queue_head_t wait;
137 int done;
138 int ret;
139};
140
141static inline void c4iw_init_wr_wait(struct c4iw_wr_wait *wr_waitp)
142{
143 wr_waitp->ret = 0;
144 wr_waitp->done = 0;
145 init_waitqueue_head(&wr_waitp->wait);
146}
147
148static inline int c4iw_wait_for_reply(struct c4iw_rdev *rdev,
149 struct c4iw_wr_wait *wr_waitp,
150 u32 hwtid, u32 qpid,
151 const char *func)
152{
153 unsigned to = C4IW_WR_TO;
154 do {
155
156 wait_event_timeout(wr_waitp->wait, wr_waitp->done, to);
157 if (!wr_waitp->done) {
158 printk(KERN_ERR MOD "%s - Device %s not responding - "
159 "tid %u qpid %u\n", func,
160 pci_name(rdev->lldi.pdev), hwtid, qpid);
161 to = to << 2;
162 }
163 } while (!wr_waitp->done);
164 if (wr_waitp->ret)
165 printk(KERN_WARNING MOD "%s: FW reply %d tid %u qpid %u\n",
166 pci_name(rdev->lldi.pdev), wr_waitp->ret, hwtid, qpid);
167 return wr_waitp->ret;
168}
169
170
144struct c4iw_dev { 171struct c4iw_dev {
145 struct ib_device ibdev; 172 struct ib_device ibdev;
146 struct c4iw_rdev rdev; 173 struct c4iw_rdev rdev;
@@ -327,6 +354,7 @@ struct c4iw_qp {
327 struct c4iw_qp_attributes attr; 354 struct c4iw_qp_attributes attr;
328 struct t4_wq wq; 355 struct t4_wq wq;
329 spinlock_t lock; 356 spinlock_t lock;
357 struct mutex mutex;
330 atomic_t refcnt; 358 atomic_t refcnt;
331 wait_queue_head_t wait; 359 wait_queue_head_t wait;
332 struct timer_list timer; 360 struct timer_list timer;
@@ -579,12 +607,10 @@ struct c4iw_ep_common {
579 struct c4iw_dev *dev; 607 struct c4iw_dev *dev;
580 enum c4iw_ep_state state; 608 enum c4iw_ep_state state;
581 struct kref kref; 609 struct kref kref;
582 spinlock_t lock; 610 struct mutex mutex;
583 struct sockaddr_in local_addr; 611 struct sockaddr_in local_addr;
584 struct sockaddr_in remote_addr; 612 struct sockaddr_in remote_addr;
585 wait_queue_head_t waitq; 613 struct c4iw_wr_wait wr_wait;
586 int rpl_done;
587 int rpl_err;
588 unsigned long flags; 614 unsigned long flags;
589}; 615};
590 616
@@ -654,8 +680,10 @@ int c4iw_init_resource(struct c4iw_rdev *rdev, u32 nr_tpt, u32 nr_pdid);
654int c4iw_init_ctrl_qp(struct c4iw_rdev *rdev); 680int c4iw_init_ctrl_qp(struct c4iw_rdev *rdev);
655int c4iw_pblpool_create(struct c4iw_rdev *rdev); 681int c4iw_pblpool_create(struct c4iw_rdev *rdev);
656int c4iw_rqtpool_create(struct c4iw_rdev *rdev); 682int c4iw_rqtpool_create(struct c4iw_rdev *rdev);
683int c4iw_ocqp_pool_create(struct c4iw_rdev *rdev);
657void c4iw_pblpool_destroy(struct c4iw_rdev *rdev); 684void c4iw_pblpool_destroy(struct c4iw_rdev *rdev);
658void c4iw_rqtpool_destroy(struct c4iw_rdev *rdev); 685void c4iw_rqtpool_destroy(struct c4iw_rdev *rdev);
686void c4iw_ocqp_pool_destroy(struct c4iw_rdev *rdev);
659void c4iw_destroy_resource(struct c4iw_resource *rscp); 687void c4iw_destroy_resource(struct c4iw_resource *rscp);
660int c4iw_destroy_ctrl_qp(struct c4iw_rdev *rdev); 688int c4iw_destroy_ctrl_qp(struct c4iw_rdev *rdev);
661int c4iw_register_device(struct c4iw_dev *dev); 689int c4iw_register_device(struct c4iw_dev *dev);
@@ -721,6 +749,8 @@ u32 c4iw_rqtpool_alloc(struct c4iw_rdev *rdev, int size);
721void c4iw_rqtpool_free(struct c4iw_rdev *rdev, u32 addr, int size); 749void c4iw_rqtpool_free(struct c4iw_rdev *rdev, u32 addr, int size);
722u32 c4iw_pblpool_alloc(struct c4iw_rdev *rdev, int size); 750u32 c4iw_pblpool_alloc(struct c4iw_rdev *rdev, int size);
723void c4iw_pblpool_free(struct c4iw_rdev *rdev, u32 addr, int size); 751void c4iw_pblpool_free(struct c4iw_rdev *rdev, u32 addr, int size);
752u32 c4iw_ocqp_pool_alloc(struct c4iw_rdev *rdev, int size);
753void c4iw_ocqp_pool_free(struct c4iw_rdev *rdev, u32 addr, int size);
724int c4iw_ofld_send(struct c4iw_rdev *rdev, struct sk_buff *skb); 754int c4iw_ofld_send(struct c4iw_rdev *rdev, struct sk_buff *skb);
725void c4iw_flush_hw_cq(struct t4_cq *cq); 755void c4iw_flush_hw_cq(struct t4_cq *cq);
726void c4iw_count_rcqes(struct t4_cq *cq, struct t4_wq *wq, int *count); 756void c4iw_count_rcqes(struct t4_cq *cq, struct t4_wq *wq, int *count);
diff --git a/drivers/infiniband/hw/cxgb4/mem.c b/drivers/infiniband/hw/cxgb4/mem.c
index 269373a62f22..273ffe49525a 100644
--- a/drivers/infiniband/hw/cxgb4/mem.c
+++ b/drivers/infiniband/hw/cxgb4/mem.c
@@ -71,7 +71,7 @@ static int write_adapter_mem(struct c4iw_rdev *rdev, u32 addr, u32 len,
71 if (i == (num_wqe-1)) { 71 if (i == (num_wqe-1)) {
72 req->wr.wr_hi = cpu_to_be32(FW_WR_OP(FW_ULPTX_WR) | 72 req->wr.wr_hi = cpu_to_be32(FW_WR_OP(FW_ULPTX_WR) |
73 FW_WR_COMPL(1)); 73 FW_WR_COMPL(1));
74 req->wr.wr_lo = (__force __be64)&wr_wait; 74 req->wr.wr_lo = (__force __be64)(unsigned long) &wr_wait;
75 } else 75 } else
76 req->wr.wr_hi = cpu_to_be32(FW_WR_OP(FW_ULPTX_WR)); 76 req->wr.wr_hi = cpu_to_be32(FW_WR_OP(FW_ULPTX_WR));
77 req->wr.wr_mid = cpu_to_be32( 77 req->wr.wr_mid = cpu_to_be32(
@@ -103,14 +103,7 @@ static int write_adapter_mem(struct c4iw_rdev *rdev, u32 addr, u32 len,
103 len -= C4IW_MAX_INLINE_SIZE; 103 len -= C4IW_MAX_INLINE_SIZE;
104 } 104 }
105 105
106 wait_event_timeout(wr_wait.wait, wr_wait.done, C4IW_WR_TO); 106 ret = c4iw_wait_for_reply(rdev, &wr_wait, 0, 0, __func__);
107 if (!wr_wait.done) {
108 printk(KERN_ERR MOD "Device %s not responding!\n",
109 pci_name(rdev->lldi.pdev));
110 rdev->flags = T4_FATAL_ERROR;
111 ret = -EIO;
112 } else
113 ret = wr_wait.ret;
114 return ret; 107 return ret;
115} 108}
116 109
diff --git a/drivers/infiniband/hw/cxgb4/provider.c b/drivers/infiniband/hw/cxgb4/provider.c
index 8f645c83a125..f66dd8bf5128 100644
--- a/drivers/infiniband/hw/cxgb4/provider.c
+++ b/drivers/infiniband/hw/cxgb4/provider.c
@@ -54,9 +54,9 @@
54 54
55#include "iw_cxgb4.h" 55#include "iw_cxgb4.h"
56 56
57static int fastreg_support; 57static int fastreg_support = 1;
58module_param(fastreg_support, int, 0644); 58module_param(fastreg_support, int, 0644);
59MODULE_PARM_DESC(fastreg_support, "Advertise fastreg support (default=0)"); 59MODULE_PARM_DESC(fastreg_support, "Advertise fastreg support (default=1)");
60 60
61static int c4iw_modify_port(struct ib_device *ibdev, 61static int c4iw_modify_port(struct ib_device *ibdev,
62 u8 port, int port_modify_mask, 62 u8 port, int port_modify_mask,
@@ -149,19 +149,28 @@ static int c4iw_mmap(struct ib_ucontext *context, struct vm_area_struct *vma)
149 addr = mm->addr; 149 addr = mm->addr;
150 kfree(mm); 150 kfree(mm);
151 151
152 if ((addr >= pci_resource_start(rdev->lldi.pdev, 2)) && 152 if ((addr >= pci_resource_start(rdev->lldi.pdev, 0)) &&
153 (addr < (pci_resource_start(rdev->lldi.pdev, 2) + 153 (addr < (pci_resource_start(rdev->lldi.pdev, 0) +
154 pci_resource_len(rdev->lldi.pdev, 2)))) { 154 pci_resource_len(rdev->lldi.pdev, 0)))) {
155 155
156 /* 156 /*
157 * Map T4 DB register. 157 * MA_SYNC register...
158 */ 158 */
159 if (vma->vm_flags & VM_READ)
160 return -EPERM;
161
162 vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot); 159 vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
163 vma->vm_flags |= VM_DONTCOPY | VM_DONTEXPAND; 160 ret = io_remap_pfn_range(vma, vma->vm_start,
164 vma->vm_flags &= ~VM_MAYREAD; 161 addr >> PAGE_SHIFT,
162 len, vma->vm_page_prot);
163 } else if ((addr >= pci_resource_start(rdev->lldi.pdev, 2)) &&
164 (addr < (pci_resource_start(rdev->lldi.pdev, 2) +
165 pci_resource_len(rdev->lldi.pdev, 2)))) {
166
167 /*
168 * Map user DB or OCQP memory...
169 */
170 if (addr >= rdev->oc_mw_pa)
171 vma->vm_page_prot = t4_pgprot_wc(vma->vm_page_prot);
172 else
173 vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
165 ret = io_remap_pfn_range(vma, vma->vm_start, 174 ret = io_remap_pfn_range(vma, vma->vm_start,
166 addr >> PAGE_SHIFT, 175 addr >> PAGE_SHIFT,
167 len, vma->vm_page_prot); 176 len, vma->vm_page_prot);
@@ -382,7 +391,17 @@ static ssize_t show_board(struct device *dev, struct device_attribute *attr,
382static int c4iw_get_mib(struct ib_device *ibdev, 391static int c4iw_get_mib(struct ib_device *ibdev,
383 union rdma_protocol_stats *stats) 392 union rdma_protocol_stats *stats)
384{ 393{
385 return -ENOSYS; 394 struct tp_tcp_stats v4, v6;
395 struct c4iw_dev *c4iw_dev = to_c4iw_dev(ibdev);
396
397 cxgb4_get_tcp_stats(c4iw_dev->rdev.lldi.pdev, &v4, &v6);
398 memset(stats, 0, sizeof *stats);
399 stats->iw.tcpInSegs = v4.tcpInSegs + v6.tcpInSegs;
400 stats->iw.tcpOutSegs = v4.tcpOutSegs + v6.tcpOutSegs;
401 stats->iw.tcpRetransSegs = v4.tcpRetransSegs + v6.tcpRetransSegs;
402 stats->iw.tcpOutRsts = v4.tcpOutRsts + v6.tcpOutSegs;
403
404 return 0;
386} 405}
387 406
388static DEVICE_ATTR(hw_rev, S_IRUGO, show_rev, NULL); 407static DEVICE_ATTR(hw_rev, S_IRUGO, show_rev, NULL);
@@ -472,6 +491,7 @@ int c4iw_register_device(struct c4iw_dev *dev)
472 dev->ibdev.post_send = c4iw_post_send; 491 dev->ibdev.post_send = c4iw_post_send;
473 dev->ibdev.post_recv = c4iw_post_receive; 492 dev->ibdev.post_recv = c4iw_post_receive;
474 dev->ibdev.get_protocol_stats = c4iw_get_mib; 493 dev->ibdev.get_protocol_stats = c4iw_get_mib;
494 dev->ibdev.uverbs_abi_ver = C4IW_UVERBS_ABI_VERSION;
475 495
476 dev->ibdev.iwcm = kmalloc(sizeof(struct iw_cm_verbs), GFP_KERNEL); 496 dev->ibdev.iwcm = kmalloc(sizeof(struct iw_cm_verbs), GFP_KERNEL);
477 if (!dev->ibdev.iwcm) 497 if (!dev->ibdev.iwcm)
diff --git a/drivers/infiniband/hw/cxgb4/qp.c b/drivers/infiniband/hw/cxgb4/qp.c
index 93f6e5bf0ec5..057cb2505ea1 100644
--- a/drivers/infiniband/hw/cxgb4/qp.c
+++ b/drivers/infiniband/hw/cxgb4/qp.c
@@ -31,6 +31,63 @@
31 */ 31 */
32#include "iw_cxgb4.h" 32#include "iw_cxgb4.h"
33 33
34static int ocqp_support;
35module_param(ocqp_support, int, 0644);
36MODULE_PARM_DESC(ocqp_support, "Support on-chip SQs (default=0)");
37
38static void set_state(struct c4iw_qp *qhp, enum c4iw_qp_state state)
39{
40 unsigned long flag;
41 spin_lock_irqsave(&qhp->lock, flag);
42 qhp->attr.state = state;
43 spin_unlock_irqrestore(&qhp->lock, flag);
44}
45
46static void dealloc_oc_sq(struct c4iw_rdev *rdev, struct t4_sq *sq)
47{
48 c4iw_ocqp_pool_free(rdev, sq->dma_addr, sq->memsize);
49}
50
51static void dealloc_host_sq(struct c4iw_rdev *rdev, struct t4_sq *sq)
52{
53 dma_free_coherent(&(rdev->lldi.pdev->dev), sq->memsize, sq->queue,
54 pci_unmap_addr(sq, mapping));
55}
56
57static void dealloc_sq(struct c4iw_rdev *rdev, struct t4_sq *sq)
58{
59 if (t4_sq_onchip(sq))
60 dealloc_oc_sq(rdev, sq);
61 else
62 dealloc_host_sq(rdev, sq);
63}
64
65static int alloc_oc_sq(struct c4iw_rdev *rdev, struct t4_sq *sq)
66{
67 if (!ocqp_support || !t4_ocqp_supported())
68 return -ENOSYS;
69 sq->dma_addr = c4iw_ocqp_pool_alloc(rdev, sq->memsize);
70 if (!sq->dma_addr)
71 return -ENOMEM;
72 sq->phys_addr = rdev->oc_mw_pa + sq->dma_addr -
73 rdev->lldi.vr->ocq.start;
74 sq->queue = (__force union t4_wr *)(rdev->oc_mw_kva + sq->dma_addr -
75 rdev->lldi.vr->ocq.start);
76 sq->flags |= T4_SQ_ONCHIP;
77 return 0;
78}
79
80static int alloc_host_sq(struct c4iw_rdev *rdev, struct t4_sq *sq)
81{
82 sq->queue = dma_alloc_coherent(&(rdev->lldi.pdev->dev), sq->memsize,
83 &(sq->dma_addr), GFP_KERNEL);
84 if (!sq->queue)
85 return -ENOMEM;
86 sq->phys_addr = virt_to_phys(sq->queue);
87 pci_unmap_addr_set(sq, mapping, sq->dma_addr);
88 return 0;
89}
90
34static int destroy_qp(struct c4iw_rdev *rdev, struct t4_wq *wq, 91static int destroy_qp(struct c4iw_rdev *rdev, struct t4_wq *wq,
35 struct c4iw_dev_ucontext *uctx) 92 struct c4iw_dev_ucontext *uctx)
36{ 93{
@@ -41,9 +98,7 @@ static int destroy_qp(struct c4iw_rdev *rdev, struct t4_wq *wq,
41 dma_free_coherent(&(rdev->lldi.pdev->dev), 98 dma_free_coherent(&(rdev->lldi.pdev->dev),
42 wq->rq.memsize, wq->rq.queue, 99 wq->rq.memsize, wq->rq.queue,
43 dma_unmap_addr(&wq->rq, mapping)); 100 dma_unmap_addr(&wq->rq, mapping));
44 dma_free_coherent(&(rdev->lldi.pdev->dev), 101 dealloc_sq(rdev, &wq->sq);
45 wq->sq.memsize, wq->sq.queue,
46 dma_unmap_addr(&wq->sq, mapping));
47 c4iw_rqtpool_free(rdev, wq->rq.rqt_hwaddr, wq->rq.rqt_size); 102 c4iw_rqtpool_free(rdev, wq->rq.rqt_hwaddr, wq->rq.rqt_size);
48 kfree(wq->rq.sw_rq); 103 kfree(wq->rq.sw_rq);
49 kfree(wq->sq.sw_sq); 104 kfree(wq->sq.sw_sq);
@@ -93,11 +148,12 @@ static int create_qp(struct c4iw_rdev *rdev, struct t4_wq *wq,
93 if (!wq->rq.rqt_hwaddr) 148 if (!wq->rq.rqt_hwaddr)
94 goto err4; 149 goto err4;
95 150
96 wq->sq.queue = dma_alloc_coherent(&(rdev->lldi.pdev->dev), 151 if (user) {
97 wq->sq.memsize, &(wq->sq.dma_addr), 152 if (alloc_oc_sq(rdev, &wq->sq) && alloc_host_sq(rdev, &wq->sq))
98 GFP_KERNEL); 153 goto err5;
99 if (!wq->sq.queue) 154 } else
100 goto err5; 155 if (alloc_host_sq(rdev, &wq->sq))
156 goto err5;
101 memset(wq->sq.queue, 0, wq->sq.memsize); 157 memset(wq->sq.queue, 0, wq->sq.memsize);
102 dma_unmap_addr_set(&wq->sq, mapping, wq->sq.dma_addr); 158 dma_unmap_addr_set(&wq->sq, mapping, wq->sq.dma_addr);
103 159
@@ -144,7 +200,7 @@ static int create_qp(struct c4iw_rdev *rdev, struct t4_wq *wq,
144 V_FW_RI_RES_WR_NRES(2) | 200 V_FW_RI_RES_WR_NRES(2) |
145 FW_WR_COMPL(1)); 201 FW_WR_COMPL(1));
146 res_wr->len16_pkd = cpu_to_be32(DIV_ROUND_UP(wr_len, 16)); 202 res_wr->len16_pkd = cpu_to_be32(DIV_ROUND_UP(wr_len, 16));
147 res_wr->cookie = (u64)&wr_wait; 203 res_wr->cookie = (unsigned long) &wr_wait;
148 res = res_wr->res; 204 res = res_wr->res;
149 res->u.sqrq.restype = FW_RI_RES_TYPE_SQ; 205 res->u.sqrq.restype = FW_RI_RES_TYPE_SQ;
150 res->u.sqrq.op = FW_RI_RES_OP_WRITE; 206 res->u.sqrq.op = FW_RI_RES_OP_WRITE;
@@ -158,6 +214,7 @@ static int create_qp(struct c4iw_rdev *rdev, struct t4_wq *wq,
158 V_FW_RI_RES_WR_HOSTFCMODE(0) | /* no host cidx updates */ 214 V_FW_RI_RES_WR_HOSTFCMODE(0) | /* no host cidx updates */
159 V_FW_RI_RES_WR_CPRIO(0) | /* don't keep in chip cache */ 215 V_FW_RI_RES_WR_CPRIO(0) | /* don't keep in chip cache */
160 V_FW_RI_RES_WR_PCIECHN(0) | /* set by uP at ri_init time */ 216 V_FW_RI_RES_WR_PCIECHN(0) | /* set by uP at ri_init time */
217 t4_sq_onchip(&wq->sq) ? F_FW_RI_RES_WR_ONCHIP : 0 |
161 V_FW_RI_RES_WR_IQID(scq->cqid)); 218 V_FW_RI_RES_WR_IQID(scq->cqid));
162 res->u.sqrq.dcaen_to_eqsize = cpu_to_be32( 219 res->u.sqrq.dcaen_to_eqsize = cpu_to_be32(
163 V_FW_RI_RES_WR_DCAEN(0) | 220 V_FW_RI_RES_WR_DCAEN(0) |
@@ -198,14 +255,7 @@ static int create_qp(struct c4iw_rdev *rdev, struct t4_wq *wq,
198 ret = c4iw_ofld_send(rdev, skb); 255 ret = c4iw_ofld_send(rdev, skb);
199 if (ret) 256 if (ret)
200 goto err7; 257 goto err7;
201 wait_event_timeout(wr_wait.wait, wr_wait.done, C4IW_WR_TO); 258 ret = c4iw_wait_for_reply(rdev, &wr_wait, 0, wq->sq.qid, __func__);
202 if (!wr_wait.done) {
203 printk(KERN_ERR MOD "Device %s not responding!\n",
204 pci_name(rdev->lldi.pdev));
205 rdev->flags = T4_FATAL_ERROR;
206 ret = -EIO;
207 } else
208 ret = wr_wait.ret;
209 if (ret) 259 if (ret)
210 goto err7; 260 goto err7;
211 261
@@ -219,9 +269,7 @@ err7:
219 wq->rq.memsize, wq->rq.queue, 269 wq->rq.memsize, wq->rq.queue,
220 dma_unmap_addr(&wq->rq, mapping)); 270 dma_unmap_addr(&wq->rq, mapping));
221err6: 271err6:
222 dma_free_coherent(&(rdev->lldi.pdev->dev), 272 dealloc_sq(rdev, &wq->sq);
223 wq->sq.memsize, wq->sq.queue,
224 dma_unmap_addr(&wq->sq, mapping));
225err5: 273err5:
226 c4iw_rqtpool_free(rdev, wq->rq.rqt_hwaddr, wq->rq.rqt_size); 274 c4iw_rqtpool_free(rdev, wq->rq.rqt_hwaddr, wq->rq.rqt_size);
227err4: 275err4:
@@ -263,6 +311,9 @@ static int build_immd(struct t4_sq *sq, struct fw_ri_immd *immdp,
263 rem -= len; 311 rem -= len;
264 } 312 }
265 } 313 }
314 len = roundup(plen + sizeof *immdp, 16) - (plen + sizeof *immdp);
315 if (len)
316 memset(dstp, 0, len);
266 immdp->op = FW_RI_DATA_IMMD; 317 immdp->op = FW_RI_DATA_IMMD;
267 immdp->r1 = 0; 318 immdp->r1 = 0;
268 immdp->r2 = 0; 319 immdp->r2 = 0;
@@ -292,6 +343,7 @@ static int build_isgl(__be64 *queue_start, __be64 *queue_end,
292 if (++flitp == queue_end) 343 if (++flitp == queue_end)
293 flitp = queue_start; 344 flitp = queue_start;
294 } 345 }
346 *flitp = (__force __be64)0;
295 isglp->op = FW_RI_DATA_ISGL; 347 isglp->op = FW_RI_DATA_ISGL;
296 isglp->r1 = 0; 348 isglp->r1 = 0;
297 isglp->nsge = cpu_to_be16(num_sge); 349 isglp->nsge = cpu_to_be16(num_sge);
@@ -453,13 +505,15 @@ static int build_rdma_recv(struct c4iw_qp *qhp, union t4_recv_wr *wqe,
453 return 0; 505 return 0;
454} 506}
455 507
456static int build_fastreg(union t4_wr *wqe, struct ib_send_wr *wr, u8 *len16) 508static int build_fastreg(struct t4_sq *sq, union t4_wr *wqe,
509 struct ib_send_wr *wr, u8 *len16)
457{ 510{
458 511
459 struct fw_ri_immd *imdp; 512 struct fw_ri_immd *imdp;
460 __be64 *p; 513 __be64 *p;
461 int i; 514 int i;
462 int pbllen = roundup(wr->wr.fast_reg.page_list_len * sizeof(u64), 32); 515 int pbllen = roundup(wr->wr.fast_reg.page_list_len * sizeof(u64), 32);
516 int rem;
463 517
464 if (wr->wr.fast_reg.page_list_len > T4_MAX_FR_DEPTH) 518 if (wr->wr.fast_reg.page_list_len > T4_MAX_FR_DEPTH)
465 return -EINVAL; 519 return -EINVAL;
@@ -474,32 +528,28 @@ static int build_fastreg(union t4_wr *wqe, struct ib_send_wr *wr, u8 *len16)
474 wqe->fr.va_hi = cpu_to_be32(wr->wr.fast_reg.iova_start >> 32); 528 wqe->fr.va_hi = cpu_to_be32(wr->wr.fast_reg.iova_start >> 32);
475 wqe->fr.va_lo_fbo = cpu_to_be32(wr->wr.fast_reg.iova_start & 529 wqe->fr.va_lo_fbo = cpu_to_be32(wr->wr.fast_reg.iova_start &
476 0xffffffff); 530 0xffffffff);
477 if (pbllen > T4_MAX_FR_IMMD) { 531 WARN_ON(pbllen > T4_MAX_FR_IMMD);
478 struct c4iw_fr_page_list *c4pl = 532 imdp = (struct fw_ri_immd *)(&wqe->fr + 1);
479 to_c4iw_fr_page_list(wr->wr.fast_reg.page_list); 533 imdp->op = FW_RI_DATA_IMMD;
480 struct fw_ri_dsgl *sglp; 534 imdp->r1 = 0;
481 535 imdp->r2 = 0;
482 sglp = (struct fw_ri_dsgl *)(&wqe->fr + 1); 536 imdp->immdlen = cpu_to_be32(pbllen);
483 sglp->op = FW_RI_DATA_DSGL; 537 p = (__be64 *)(imdp + 1);
484 sglp->r1 = 0; 538 rem = pbllen;
485 sglp->nsge = cpu_to_be16(1); 539 for (i = 0; i < wr->wr.fast_reg.page_list_len; i++) {
486 sglp->addr0 = cpu_to_be64(c4pl->dma_addr); 540 *p = cpu_to_be64((u64)wr->wr.fast_reg.page_list->page_list[i]);
487 sglp->len0 = cpu_to_be32(pbllen); 541 rem -= sizeof *p;
488 542 if (++p == (__be64 *)&sq->queue[sq->size])
489 *len16 = DIV_ROUND_UP(sizeof wqe->fr + sizeof *sglp, 16); 543 p = (__be64 *)sq->queue;
490 } else {
491 imdp = (struct fw_ri_immd *)(&wqe->fr + 1);
492 imdp->op = FW_RI_DATA_IMMD;
493 imdp->r1 = 0;
494 imdp->r2 = 0;
495 imdp->immdlen = cpu_to_be32(pbllen);
496 p = (__be64 *)(imdp + 1);
497 for (i = 0; i < wr->wr.fast_reg.page_list_len; i++, p++)
498 *p = cpu_to_be64(
499 (u64)wr->wr.fast_reg.page_list->page_list[i]);
500 *len16 = DIV_ROUND_UP(sizeof wqe->fr + sizeof *imdp + pbllen,
501 16);
502 } 544 }
545 BUG_ON(rem < 0);
546 while (rem) {
547 *p = 0;
548 rem -= sizeof *p;
549 if (++p == (__be64 *)&sq->queue[sq->size])
550 p = (__be64 *)sq->queue;
551 }
552 *len16 = DIV_ROUND_UP(sizeof wqe->fr + sizeof *imdp + pbllen, 16);
503 return 0; 553 return 0;
504} 554}
505 555
@@ -587,7 +637,7 @@ int c4iw_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr,
587 fw_opcode = FW_RI_RDMA_READ_WR; 637 fw_opcode = FW_RI_RDMA_READ_WR;
588 swsqe->opcode = FW_RI_READ_REQ; 638 swsqe->opcode = FW_RI_READ_REQ;
589 if (wr->opcode == IB_WR_RDMA_READ_WITH_INV) 639 if (wr->opcode == IB_WR_RDMA_READ_WITH_INV)
590 fw_flags |= FW_RI_RDMA_READ_INVALIDATE; 640 fw_flags = FW_RI_RDMA_READ_INVALIDATE;
591 else 641 else
592 fw_flags = 0; 642 fw_flags = 0;
593 err = build_rdma_read(wqe, wr, &len16); 643 err = build_rdma_read(wqe, wr, &len16);
@@ -600,7 +650,7 @@ int c4iw_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr,
600 case IB_WR_FAST_REG_MR: 650 case IB_WR_FAST_REG_MR:
601 fw_opcode = FW_RI_FR_NSMR_WR; 651 fw_opcode = FW_RI_FR_NSMR_WR;
602 swsqe->opcode = FW_RI_FAST_REGISTER; 652 swsqe->opcode = FW_RI_FAST_REGISTER;
603 err = build_fastreg(wqe, wr, &len16); 653 err = build_fastreg(&qhp->wq.sq, wqe, wr, &len16);
604 break; 654 break;
605 case IB_WR_LOCAL_INV: 655 case IB_WR_LOCAL_INV:
606 if (wr->send_flags & IB_SEND_FENCE) 656 if (wr->send_flags & IB_SEND_FENCE)
@@ -905,46 +955,38 @@ static void post_terminate(struct c4iw_qp *qhp, struct t4_cqe *err_cqe,
905 * Assumes qhp lock is held. 955 * Assumes qhp lock is held.
906 */ 956 */
907static void __flush_qp(struct c4iw_qp *qhp, struct c4iw_cq *rchp, 957static void __flush_qp(struct c4iw_qp *qhp, struct c4iw_cq *rchp,
908 struct c4iw_cq *schp, unsigned long *flag) 958 struct c4iw_cq *schp)
909{ 959{
910 int count; 960 int count;
911 int flushed; 961 int flushed;
962 unsigned long flag;
912 963
913 PDBG("%s qhp %p rchp %p schp %p\n", __func__, qhp, rchp, schp); 964 PDBG("%s qhp %p rchp %p schp %p\n", __func__, qhp, rchp, schp);
914 /* take a ref on the qhp since we must release the lock */
915 atomic_inc(&qhp->refcnt);
916 spin_unlock_irqrestore(&qhp->lock, *flag);
917 965
918 /* locking hierarchy: cq lock first, then qp lock. */ 966 /* locking hierarchy: cq lock first, then qp lock. */
919 spin_lock_irqsave(&rchp->lock, *flag); 967 spin_lock_irqsave(&rchp->lock, flag);
920 spin_lock(&qhp->lock); 968 spin_lock(&qhp->lock);
921 c4iw_flush_hw_cq(&rchp->cq); 969 c4iw_flush_hw_cq(&rchp->cq);
922 c4iw_count_rcqes(&rchp->cq, &qhp->wq, &count); 970 c4iw_count_rcqes(&rchp->cq, &qhp->wq, &count);
923 flushed = c4iw_flush_rq(&qhp->wq, &rchp->cq, count); 971 flushed = c4iw_flush_rq(&qhp->wq, &rchp->cq, count);
924 spin_unlock(&qhp->lock); 972 spin_unlock(&qhp->lock);
925 spin_unlock_irqrestore(&rchp->lock, *flag); 973 spin_unlock_irqrestore(&rchp->lock, flag);
926 if (flushed) 974 if (flushed)
927 (*rchp->ibcq.comp_handler)(&rchp->ibcq, rchp->ibcq.cq_context); 975 (*rchp->ibcq.comp_handler)(&rchp->ibcq, rchp->ibcq.cq_context);
928 976
929 /* locking hierarchy: cq lock first, then qp lock. */ 977 /* locking hierarchy: cq lock first, then qp lock. */
930 spin_lock_irqsave(&schp->lock, *flag); 978 spin_lock_irqsave(&schp->lock, flag);
931 spin_lock(&qhp->lock); 979 spin_lock(&qhp->lock);
932 c4iw_flush_hw_cq(&schp->cq); 980 c4iw_flush_hw_cq(&schp->cq);
933 c4iw_count_scqes(&schp->cq, &qhp->wq, &count); 981 c4iw_count_scqes(&schp->cq, &qhp->wq, &count);
934 flushed = c4iw_flush_sq(&qhp->wq, &schp->cq, count); 982 flushed = c4iw_flush_sq(&qhp->wq, &schp->cq, count);
935 spin_unlock(&qhp->lock); 983 spin_unlock(&qhp->lock);
936 spin_unlock_irqrestore(&schp->lock, *flag); 984 spin_unlock_irqrestore(&schp->lock, flag);
937 if (flushed) 985 if (flushed)
938 (*schp->ibcq.comp_handler)(&schp->ibcq, schp->ibcq.cq_context); 986 (*schp->ibcq.comp_handler)(&schp->ibcq, schp->ibcq.cq_context);
939
940 /* deref */
941 if (atomic_dec_and_test(&qhp->refcnt))
942 wake_up(&qhp->wait);
943
944 spin_lock_irqsave(&qhp->lock, *flag);
945} 987}
946 988
947static void flush_qp(struct c4iw_qp *qhp, unsigned long *flag) 989static void flush_qp(struct c4iw_qp *qhp)
948{ 990{
949 struct c4iw_cq *rchp, *schp; 991 struct c4iw_cq *rchp, *schp;
950 992
@@ -958,7 +1000,7 @@ static void flush_qp(struct c4iw_qp *qhp, unsigned long *flag)
958 t4_set_cq_in_error(&schp->cq); 1000 t4_set_cq_in_error(&schp->cq);
959 return; 1001 return;
960 } 1002 }
961 __flush_qp(qhp, rchp, schp, flag); 1003 __flush_qp(qhp, rchp, schp);
962} 1004}
963 1005
964static int rdma_fini(struct c4iw_dev *rhp, struct c4iw_qp *qhp, 1006static int rdma_fini(struct c4iw_dev *rhp, struct c4iw_qp *qhp,
@@ -966,7 +1008,6 @@ static int rdma_fini(struct c4iw_dev *rhp, struct c4iw_qp *qhp,
966{ 1008{
967 struct fw_ri_wr *wqe; 1009 struct fw_ri_wr *wqe;
968 int ret; 1010 int ret;
969 struct c4iw_wr_wait wr_wait;
970 struct sk_buff *skb; 1011 struct sk_buff *skb;
971 1012
972 PDBG("%s qhp %p qid 0x%x tid %u\n", __func__, qhp, qhp->wq.sq.qid, 1013 PDBG("%s qhp %p qid 0x%x tid %u\n", __func__, qhp, qhp->wq.sq.qid,
@@ -985,28 +1026,16 @@ static int rdma_fini(struct c4iw_dev *rhp, struct c4iw_qp *qhp,
985 wqe->flowid_len16 = cpu_to_be32( 1026 wqe->flowid_len16 = cpu_to_be32(
986 FW_WR_FLOWID(ep->hwtid) | 1027 FW_WR_FLOWID(ep->hwtid) |
987 FW_WR_LEN16(DIV_ROUND_UP(sizeof *wqe, 16))); 1028 FW_WR_LEN16(DIV_ROUND_UP(sizeof *wqe, 16)));
988 wqe->cookie = (u64)&wr_wait; 1029 wqe->cookie = (unsigned long) &ep->com.wr_wait;
989 1030
990 wqe->u.fini.type = FW_RI_TYPE_FINI; 1031 wqe->u.fini.type = FW_RI_TYPE_FINI;
991 c4iw_init_wr_wait(&wr_wait); 1032 c4iw_init_wr_wait(&ep->com.wr_wait);
992 ret = c4iw_ofld_send(&rhp->rdev, skb); 1033 ret = c4iw_ofld_send(&rhp->rdev, skb);
993 if (ret) 1034 if (ret)
994 goto out; 1035 goto out;
995 1036
996 wait_event_timeout(wr_wait.wait, wr_wait.done, C4IW_WR_TO); 1037 ret = c4iw_wait_for_reply(&rhp->rdev, &ep->com.wr_wait, qhp->ep->hwtid,
997 if (!wr_wait.done) { 1038 qhp->wq.sq.qid, __func__);
998 printk(KERN_ERR MOD "Device %s not responding!\n",
999 pci_name(rhp->rdev.lldi.pdev));
1000 rhp->rdev.flags = T4_FATAL_ERROR;
1001 ret = -EIO;
1002 } else {
1003 ret = wr_wait.ret;
1004 if (ret)
1005 printk(KERN_WARNING MOD
1006 "%s: Abnormal close qpid %d ret %u\n",
1007 pci_name(rhp->rdev.lldi.pdev), qhp->wq.sq.qid,
1008 ret);
1009 }
1010out: 1039out:
1011 PDBG("%s ret %d\n", __func__, ret); 1040 PDBG("%s ret %d\n", __func__, ret);
1012 return ret; 1041 return ret;
@@ -1040,7 +1069,6 @@ static int rdma_init(struct c4iw_dev *rhp, struct c4iw_qp *qhp)
1040{ 1069{
1041 struct fw_ri_wr *wqe; 1070 struct fw_ri_wr *wqe;
1042 int ret; 1071 int ret;
1043 struct c4iw_wr_wait wr_wait;
1044 struct sk_buff *skb; 1072 struct sk_buff *skb;
1045 1073
1046 PDBG("%s qhp %p qid 0x%x tid %u\n", __func__, qhp, qhp->wq.sq.qid, 1074 PDBG("%s qhp %p qid 0x%x tid %u\n", __func__, qhp, qhp->wq.sq.qid,
@@ -1060,7 +1088,7 @@ static int rdma_init(struct c4iw_dev *rhp, struct c4iw_qp *qhp)
1060 FW_WR_FLOWID(qhp->ep->hwtid) | 1088 FW_WR_FLOWID(qhp->ep->hwtid) |
1061 FW_WR_LEN16(DIV_ROUND_UP(sizeof *wqe, 16))); 1089 FW_WR_LEN16(DIV_ROUND_UP(sizeof *wqe, 16)));
1062 1090
1063 wqe->cookie = (u64)&wr_wait; 1091 wqe->cookie = (unsigned long) &qhp->ep->com.wr_wait;
1064 1092
1065 wqe->u.init.type = FW_RI_TYPE_INIT; 1093 wqe->u.init.type = FW_RI_TYPE_INIT;
1066 wqe->u.init.mpareqbit_p2ptype = 1094 wqe->u.init.mpareqbit_p2ptype =
@@ -1097,19 +1125,13 @@ static int rdma_init(struct c4iw_dev *rhp, struct c4iw_qp *qhp)
1097 if (qhp->attr.mpa_attr.initiator) 1125 if (qhp->attr.mpa_attr.initiator)
1098 build_rtr_msg(qhp->attr.mpa_attr.p2p_type, &wqe->u.init); 1126 build_rtr_msg(qhp->attr.mpa_attr.p2p_type, &wqe->u.init);
1099 1127
1100 c4iw_init_wr_wait(&wr_wait); 1128 c4iw_init_wr_wait(&qhp->ep->com.wr_wait);
1101 ret = c4iw_ofld_send(&rhp->rdev, skb); 1129 ret = c4iw_ofld_send(&rhp->rdev, skb);
1102 if (ret) 1130 if (ret)
1103 goto out; 1131 goto out;
1104 1132
1105 wait_event_timeout(wr_wait.wait, wr_wait.done, C4IW_WR_TO); 1133 ret = c4iw_wait_for_reply(&rhp->rdev, &qhp->ep->com.wr_wait,
1106 if (!wr_wait.done) { 1134 qhp->ep->hwtid, qhp->wq.sq.qid, __func__);
1107 printk(KERN_ERR MOD "Device %s not responding!\n",
1108 pci_name(rhp->rdev.lldi.pdev));
1109 rhp->rdev.flags = T4_FATAL_ERROR;
1110 ret = -EIO;
1111 } else
1112 ret = wr_wait.ret;
1113out: 1135out:
1114 PDBG("%s ret %d\n", __func__, ret); 1136 PDBG("%s ret %d\n", __func__, ret);
1115 return ret; 1137 return ret;
@@ -1122,7 +1144,6 @@ int c4iw_modify_qp(struct c4iw_dev *rhp, struct c4iw_qp *qhp,
1122{ 1144{
1123 int ret = 0; 1145 int ret = 0;
1124 struct c4iw_qp_attributes newattr = qhp->attr; 1146 struct c4iw_qp_attributes newattr = qhp->attr;
1125 unsigned long flag;
1126 int disconnect = 0; 1147 int disconnect = 0;
1127 int terminate = 0; 1148 int terminate = 0;
1128 int abort = 0; 1149 int abort = 0;
@@ -1133,7 +1154,7 @@ int c4iw_modify_qp(struct c4iw_dev *rhp, struct c4iw_qp *qhp,
1133 qhp, qhp->wq.sq.qid, qhp->wq.rq.qid, qhp->ep, qhp->attr.state, 1154 qhp, qhp->wq.sq.qid, qhp->wq.rq.qid, qhp->ep, qhp->attr.state,
1134 (mask & C4IW_QP_ATTR_NEXT_STATE) ? attrs->next_state : -1); 1155 (mask & C4IW_QP_ATTR_NEXT_STATE) ? attrs->next_state : -1);
1135 1156
1136 spin_lock_irqsave(&qhp->lock, flag); 1157 mutex_lock(&qhp->mutex);
1137 1158
1138 /* Process attr changes if in IDLE */ 1159 /* Process attr changes if in IDLE */
1139 if (mask & C4IW_QP_ATTR_VALID_MODIFY) { 1160 if (mask & C4IW_QP_ATTR_VALID_MODIFY) {
@@ -1184,7 +1205,7 @@ int c4iw_modify_qp(struct c4iw_dev *rhp, struct c4iw_qp *qhp,
1184 qhp->attr.mpa_attr = attrs->mpa_attr; 1205 qhp->attr.mpa_attr = attrs->mpa_attr;
1185 qhp->attr.llp_stream_handle = attrs->llp_stream_handle; 1206 qhp->attr.llp_stream_handle = attrs->llp_stream_handle;
1186 qhp->ep = qhp->attr.llp_stream_handle; 1207 qhp->ep = qhp->attr.llp_stream_handle;
1187 qhp->attr.state = C4IW_QP_STATE_RTS; 1208 set_state(qhp, C4IW_QP_STATE_RTS);
1188 1209
1189 /* 1210 /*
1190 * Ref the endpoint here and deref when we 1211 * Ref the endpoint here and deref when we
@@ -1193,15 +1214,13 @@ int c4iw_modify_qp(struct c4iw_dev *rhp, struct c4iw_qp *qhp,
1193 * transition. 1214 * transition.
1194 */ 1215 */
1195 c4iw_get_ep(&qhp->ep->com); 1216 c4iw_get_ep(&qhp->ep->com);
1196 spin_unlock_irqrestore(&qhp->lock, flag);
1197 ret = rdma_init(rhp, qhp); 1217 ret = rdma_init(rhp, qhp);
1198 spin_lock_irqsave(&qhp->lock, flag);
1199 if (ret) 1218 if (ret)
1200 goto err; 1219 goto err;
1201 break; 1220 break;
1202 case C4IW_QP_STATE_ERROR: 1221 case C4IW_QP_STATE_ERROR:
1203 qhp->attr.state = C4IW_QP_STATE_ERROR; 1222 set_state(qhp, C4IW_QP_STATE_ERROR);
1204 flush_qp(qhp, &flag); 1223 flush_qp(qhp);
1205 break; 1224 break;
1206 default: 1225 default:
1207 ret = -EINVAL; 1226 ret = -EINVAL;
@@ -1212,38 +1231,38 @@ int c4iw_modify_qp(struct c4iw_dev *rhp, struct c4iw_qp *qhp,
1212 switch (attrs->next_state) { 1231 switch (attrs->next_state) {
1213 case C4IW_QP_STATE_CLOSING: 1232 case C4IW_QP_STATE_CLOSING:
1214 BUG_ON(atomic_read(&qhp->ep->com.kref.refcount) < 2); 1233 BUG_ON(atomic_read(&qhp->ep->com.kref.refcount) < 2);
1215 qhp->attr.state = C4IW_QP_STATE_CLOSING; 1234 set_state(qhp, C4IW_QP_STATE_CLOSING);
1216 ep = qhp->ep; 1235 ep = qhp->ep;
1217 if (!internal) { 1236 if (!internal) {
1218 abort = 0; 1237 abort = 0;
1219 disconnect = 1; 1238 disconnect = 1;
1220 c4iw_get_ep(&ep->com); 1239 c4iw_get_ep(&qhp->ep->com);
1221 } 1240 }
1222 spin_unlock_irqrestore(&qhp->lock, flag);
1223 ret = rdma_fini(rhp, qhp, ep); 1241 ret = rdma_fini(rhp, qhp, ep);
1224 spin_lock_irqsave(&qhp->lock, flag);
1225 if (ret) { 1242 if (ret) {
1226 c4iw_get_ep(&ep->com); 1243 if (internal)
1244 c4iw_get_ep(&qhp->ep->com);
1227 disconnect = abort = 1; 1245 disconnect = abort = 1;
1228 goto err; 1246 goto err;
1229 } 1247 }
1230 break; 1248 break;
1231 case C4IW_QP_STATE_TERMINATE: 1249 case C4IW_QP_STATE_TERMINATE:
1232 qhp->attr.state = C4IW_QP_STATE_TERMINATE; 1250 set_state(qhp, C4IW_QP_STATE_TERMINATE);
1233 if (qhp->ibqp.uobject) 1251 if (qhp->ibqp.uobject)
1234 t4_set_wq_in_error(&qhp->wq); 1252 t4_set_wq_in_error(&qhp->wq);
1235 ep = qhp->ep; 1253 ep = qhp->ep;
1236 c4iw_get_ep(&ep->com); 1254 if (!internal)
1237 terminate = 1; 1255 terminate = 1;
1238 disconnect = 1; 1256 disconnect = 1;
1257 c4iw_get_ep(&qhp->ep->com);
1239 break; 1258 break;
1240 case C4IW_QP_STATE_ERROR: 1259 case C4IW_QP_STATE_ERROR:
1241 qhp->attr.state = C4IW_QP_STATE_ERROR; 1260 set_state(qhp, C4IW_QP_STATE_ERROR);
1242 if (!internal) { 1261 if (!internal) {
1243 abort = 1; 1262 abort = 1;
1244 disconnect = 1; 1263 disconnect = 1;
1245 ep = qhp->ep; 1264 ep = qhp->ep;
1246 c4iw_get_ep(&ep->com); 1265 c4iw_get_ep(&qhp->ep->com);
1247 } 1266 }
1248 goto err; 1267 goto err;
1249 break; 1268 break;
@@ -1259,8 +1278,8 @@ int c4iw_modify_qp(struct c4iw_dev *rhp, struct c4iw_qp *qhp,
1259 } 1278 }
1260 switch (attrs->next_state) { 1279 switch (attrs->next_state) {
1261 case C4IW_QP_STATE_IDLE: 1280 case C4IW_QP_STATE_IDLE:
1262 flush_qp(qhp, &flag); 1281 flush_qp(qhp);
1263 qhp->attr.state = C4IW_QP_STATE_IDLE; 1282 set_state(qhp, C4IW_QP_STATE_IDLE);
1264 qhp->attr.llp_stream_handle = NULL; 1283 qhp->attr.llp_stream_handle = NULL;
1265 c4iw_put_ep(&qhp->ep->com); 1284 c4iw_put_ep(&qhp->ep->com);
1266 qhp->ep = NULL; 1285 qhp->ep = NULL;
@@ -1282,7 +1301,7 @@ int c4iw_modify_qp(struct c4iw_dev *rhp, struct c4iw_qp *qhp,
1282 ret = -EINVAL; 1301 ret = -EINVAL;
1283 goto out; 1302 goto out;
1284 } 1303 }
1285 qhp->attr.state = C4IW_QP_STATE_IDLE; 1304 set_state(qhp, C4IW_QP_STATE_IDLE);
1286 break; 1305 break;
1287 case C4IW_QP_STATE_TERMINATE: 1306 case C4IW_QP_STATE_TERMINATE:
1288 if (!internal) { 1307 if (!internal) {
@@ -1305,15 +1324,16 @@ err:
1305 1324
1306 /* disassociate the LLP connection */ 1325 /* disassociate the LLP connection */
1307 qhp->attr.llp_stream_handle = NULL; 1326 qhp->attr.llp_stream_handle = NULL;
1308 ep = qhp->ep; 1327 if (!ep)
1328 ep = qhp->ep;
1309 qhp->ep = NULL; 1329 qhp->ep = NULL;
1310 qhp->attr.state = C4IW_QP_STATE_ERROR; 1330 set_state(qhp, C4IW_QP_STATE_ERROR);
1311 free = 1; 1331 free = 1;
1312 wake_up(&qhp->wait); 1332 wake_up(&qhp->wait);
1313 BUG_ON(!ep); 1333 BUG_ON(!ep);
1314 flush_qp(qhp, &flag); 1334 flush_qp(qhp);
1315out: 1335out:
1316 spin_unlock_irqrestore(&qhp->lock, flag); 1336 mutex_unlock(&qhp->mutex);
1317 1337
1318 if (terminate) 1338 if (terminate)
1319 post_terminate(qhp, NULL, internal ? GFP_ATOMIC : GFP_KERNEL); 1339 post_terminate(qhp, NULL, internal ? GFP_ATOMIC : GFP_KERNEL);
@@ -1335,7 +1355,6 @@ out:
1335 */ 1355 */
1336 if (free) 1356 if (free)
1337 c4iw_put_ep(&ep->com); 1357 c4iw_put_ep(&ep->com);
1338
1339 PDBG("%s exit state %d\n", __func__, qhp->attr.state); 1358 PDBG("%s exit state %d\n", __func__, qhp->attr.state);
1340 return ret; 1359 return ret;
1341} 1360}
@@ -1380,7 +1399,7 @@ struct ib_qp *c4iw_create_qp(struct ib_pd *pd, struct ib_qp_init_attr *attrs,
1380 int sqsize, rqsize; 1399 int sqsize, rqsize;
1381 struct c4iw_ucontext *ucontext; 1400 struct c4iw_ucontext *ucontext;
1382 int ret; 1401 int ret;
1383 struct c4iw_mm_entry *mm1, *mm2, *mm3, *mm4; 1402 struct c4iw_mm_entry *mm1, *mm2, *mm3, *mm4, *mm5 = NULL;
1384 1403
1385 PDBG("%s ib_pd %p\n", __func__, pd); 1404 PDBG("%s ib_pd %p\n", __func__, pd);
1386 1405
@@ -1450,6 +1469,7 @@ struct ib_qp *c4iw_create_qp(struct ib_pd *pd, struct ib_qp_init_attr *attrs,
1450 qhp->attr.max_ord = 1; 1469 qhp->attr.max_ord = 1;
1451 qhp->attr.max_ird = 1; 1470 qhp->attr.max_ird = 1;
1452 spin_lock_init(&qhp->lock); 1471 spin_lock_init(&qhp->lock);
1472 mutex_init(&qhp->mutex);
1453 init_waitqueue_head(&qhp->wait); 1473 init_waitqueue_head(&qhp->wait);
1454 atomic_set(&qhp->refcnt, 1); 1474 atomic_set(&qhp->refcnt, 1);
1455 1475
@@ -1478,7 +1498,15 @@ struct ib_qp *c4iw_create_qp(struct ib_pd *pd, struct ib_qp_init_attr *attrs,
1478 ret = -ENOMEM; 1498 ret = -ENOMEM;
1479 goto err6; 1499 goto err6;
1480 } 1500 }
1481 1501 if (t4_sq_onchip(&qhp->wq.sq)) {
1502 mm5 = kmalloc(sizeof *mm5, GFP_KERNEL);
1503 if (!mm5) {
1504 ret = -ENOMEM;
1505 goto err7;
1506 }
1507 uresp.flags = C4IW_QPF_ONCHIP;
1508 } else
1509 uresp.flags = 0;
1482 uresp.qid_mask = rhp->rdev.qpmask; 1510 uresp.qid_mask = rhp->rdev.qpmask;
1483 uresp.sqid = qhp->wq.sq.qid; 1511 uresp.sqid = qhp->wq.sq.qid;
1484 uresp.sq_size = qhp->wq.sq.size; 1512 uresp.sq_size = qhp->wq.sq.size;
@@ -1487,6 +1515,10 @@ struct ib_qp *c4iw_create_qp(struct ib_pd *pd, struct ib_qp_init_attr *attrs,
1487 uresp.rq_size = qhp->wq.rq.size; 1515 uresp.rq_size = qhp->wq.rq.size;
1488 uresp.rq_memsize = qhp->wq.rq.memsize; 1516 uresp.rq_memsize = qhp->wq.rq.memsize;
1489 spin_lock(&ucontext->mmap_lock); 1517 spin_lock(&ucontext->mmap_lock);
1518 if (mm5) {
1519 uresp.ma_sync_key = ucontext->key;
1520 ucontext->key += PAGE_SIZE;
1521 }
1490 uresp.sq_key = ucontext->key; 1522 uresp.sq_key = ucontext->key;
1491 ucontext->key += PAGE_SIZE; 1523 ucontext->key += PAGE_SIZE;
1492 uresp.rq_key = ucontext->key; 1524 uresp.rq_key = ucontext->key;
@@ -1498,9 +1530,9 @@ struct ib_qp *c4iw_create_qp(struct ib_pd *pd, struct ib_qp_init_attr *attrs,
1498 spin_unlock(&ucontext->mmap_lock); 1530 spin_unlock(&ucontext->mmap_lock);
1499 ret = ib_copy_to_udata(udata, &uresp, sizeof uresp); 1531 ret = ib_copy_to_udata(udata, &uresp, sizeof uresp);
1500 if (ret) 1532 if (ret)
1501 goto err7; 1533 goto err8;
1502 mm1->key = uresp.sq_key; 1534 mm1->key = uresp.sq_key;
1503 mm1->addr = virt_to_phys(qhp->wq.sq.queue); 1535 mm1->addr = qhp->wq.sq.phys_addr;
1504 mm1->len = PAGE_ALIGN(qhp->wq.sq.memsize); 1536 mm1->len = PAGE_ALIGN(qhp->wq.sq.memsize);
1505 insert_mmap(ucontext, mm1); 1537 insert_mmap(ucontext, mm1);
1506 mm2->key = uresp.rq_key; 1538 mm2->key = uresp.rq_key;
@@ -1515,6 +1547,13 @@ struct ib_qp *c4iw_create_qp(struct ib_pd *pd, struct ib_qp_init_attr *attrs,
1515 mm4->addr = qhp->wq.rq.udb; 1547 mm4->addr = qhp->wq.rq.udb;
1516 mm4->len = PAGE_SIZE; 1548 mm4->len = PAGE_SIZE;
1517 insert_mmap(ucontext, mm4); 1549 insert_mmap(ucontext, mm4);
1550 if (mm5) {
1551 mm5->key = uresp.ma_sync_key;
1552 mm5->addr = (pci_resource_start(rhp->rdev.lldi.pdev, 0)
1553 + A_PCIE_MA_SYNC) & PAGE_MASK;
1554 mm5->len = PAGE_SIZE;
1555 insert_mmap(ucontext, mm5);
1556 }
1518 } 1557 }
1519 qhp->ibqp.qp_num = qhp->wq.sq.qid; 1558 qhp->ibqp.qp_num = qhp->wq.sq.qid;
1520 init_timer(&(qhp->timer)); 1559 init_timer(&(qhp->timer));
@@ -1522,6 +1561,8 @@ struct ib_qp *c4iw_create_qp(struct ib_pd *pd, struct ib_qp_init_attr *attrs,
1522 __func__, qhp, qhp->attr.sq_num_entries, qhp->attr.rq_num_entries, 1561 __func__, qhp, qhp->attr.sq_num_entries, qhp->attr.rq_num_entries,
1523 qhp->wq.sq.qid); 1562 qhp->wq.sq.qid);
1524 return &qhp->ibqp; 1563 return &qhp->ibqp;
1564err8:
1565 kfree(mm5);
1525err7: 1566err7:
1526 kfree(mm4); 1567 kfree(mm4);
1527err6: 1568err6:
diff --git a/drivers/infiniband/hw/cxgb4/resource.c b/drivers/infiniband/hw/cxgb4/resource.c
index 83b23dfa250d..4fb50d58b493 100644
--- a/drivers/infiniband/hw/cxgb4/resource.c
+++ b/drivers/infiniband/hw/cxgb4/resource.c
@@ -311,6 +311,9 @@ u32 c4iw_pblpool_alloc(struct c4iw_rdev *rdev, int size)
311{ 311{
312 unsigned long addr = gen_pool_alloc(rdev->pbl_pool, size); 312 unsigned long addr = gen_pool_alloc(rdev->pbl_pool, size);
313 PDBG("%s addr 0x%x size %d\n", __func__, (u32)addr, size); 313 PDBG("%s addr 0x%x size %d\n", __func__, (u32)addr, size);
314 if (!addr && printk_ratelimit())
315 printk(KERN_WARNING MOD "%s: Out of PBL memory\n",
316 pci_name(rdev->lldi.pdev));
314 return (u32)addr; 317 return (u32)addr;
315} 318}
316 319
@@ -370,6 +373,9 @@ u32 c4iw_rqtpool_alloc(struct c4iw_rdev *rdev, int size)
370{ 373{
371 unsigned long addr = gen_pool_alloc(rdev->rqt_pool, size << 6); 374 unsigned long addr = gen_pool_alloc(rdev->rqt_pool, size << 6);
372 PDBG("%s addr 0x%x size %d\n", __func__, (u32)addr, size << 6); 375 PDBG("%s addr 0x%x size %d\n", __func__, (u32)addr, size << 6);
376 if (!addr && printk_ratelimit())
377 printk(KERN_WARNING MOD "%s: Out of RQT memory\n",
378 pci_name(rdev->lldi.pdev));
373 return (u32)addr; 379 return (u32)addr;
374} 380}
375 381
@@ -416,3 +422,59 @@ void c4iw_rqtpool_destroy(struct c4iw_rdev *rdev)
416{ 422{
417 gen_pool_destroy(rdev->rqt_pool); 423 gen_pool_destroy(rdev->rqt_pool);
418} 424}
425
426/*
427 * On-Chip QP Memory.
428 */
429#define MIN_OCQP_SHIFT 12 /* 4KB == min ocqp size */
430
431u32 c4iw_ocqp_pool_alloc(struct c4iw_rdev *rdev, int size)
432{
433 unsigned long addr = gen_pool_alloc(rdev->ocqp_pool, size);
434 PDBG("%s addr 0x%x size %d\n", __func__, (u32)addr, size);
435 return (u32)addr;
436}
437
438void c4iw_ocqp_pool_free(struct c4iw_rdev *rdev, u32 addr, int size)
439{
440 PDBG("%s addr 0x%x size %d\n", __func__, addr, size);
441 gen_pool_free(rdev->ocqp_pool, (unsigned long)addr, size);
442}
443
444int c4iw_ocqp_pool_create(struct c4iw_rdev *rdev)
445{
446 unsigned start, chunk, top;
447
448 rdev->ocqp_pool = gen_pool_create(MIN_OCQP_SHIFT, -1);
449 if (!rdev->ocqp_pool)
450 return -ENOMEM;
451
452 start = rdev->lldi.vr->ocq.start;
453 chunk = rdev->lldi.vr->ocq.size;
454 top = start + chunk;
455
456 while (start < top) {
457 chunk = min(top - start + 1, chunk);
458 if (gen_pool_add(rdev->ocqp_pool, start, chunk, -1)) {
459 PDBG("%s failed to add OCQP chunk (%x/%x)\n",
460 __func__, start, chunk);
461 if (chunk <= 1024 << MIN_OCQP_SHIFT) {
462 printk(KERN_WARNING MOD
463 "Failed to add all OCQP chunks (%x/%x)\n",
464 start, top - start);
465 return 0;
466 }
467 chunk >>= 1;
468 } else {
469 PDBG("%s added OCQP chunk (%x/%x)\n",
470 __func__, start, chunk);
471 start += chunk;
472 }
473 }
474 return 0;
475}
476
477void c4iw_ocqp_pool_destroy(struct c4iw_rdev *rdev)
478{
479 gen_pool_destroy(rdev->ocqp_pool);
480}
diff --git a/drivers/infiniband/hw/cxgb4/t4.h b/drivers/infiniband/hw/cxgb4/t4.h
index 24f369046ef3..70004425d695 100644
--- a/drivers/infiniband/hw/cxgb4/t4.h
+++ b/drivers/infiniband/hw/cxgb4/t4.h
@@ -52,6 +52,7 @@
52#define T4_STAG_UNSET 0xffffffff 52#define T4_STAG_UNSET 0xffffffff
53#define T4_FW_MAJ 0 53#define T4_FW_MAJ 0
54#define T4_EQ_STATUS_ENTRIES (L1_CACHE_BYTES > 64 ? 2 : 1) 54#define T4_EQ_STATUS_ENTRIES (L1_CACHE_BYTES > 64 ? 2 : 1)
55#define A_PCIE_MA_SYNC 0x30b4
55 56
56struct t4_status_page { 57struct t4_status_page {
57 __be32 rsvd1; /* flit 0 - hw owns */ 58 __be32 rsvd1; /* flit 0 - hw owns */
@@ -65,7 +66,7 @@ struct t4_status_page {
65 66
66#define T4_EQ_ENTRY_SIZE 64 67#define T4_EQ_ENTRY_SIZE 64
67 68
68#define T4_SQ_NUM_SLOTS 4 69#define T4_SQ_NUM_SLOTS 5
69#define T4_SQ_NUM_BYTES (T4_EQ_ENTRY_SIZE * T4_SQ_NUM_SLOTS) 70#define T4_SQ_NUM_BYTES (T4_EQ_ENTRY_SIZE * T4_SQ_NUM_SLOTS)
70#define T4_MAX_SEND_SGE ((T4_SQ_NUM_BYTES - sizeof(struct fw_ri_send_wr) - \ 71#define T4_MAX_SEND_SGE ((T4_SQ_NUM_BYTES - sizeof(struct fw_ri_send_wr) - \
71 sizeof(struct fw_ri_isgl)) / sizeof(struct fw_ri_sge)) 72 sizeof(struct fw_ri_isgl)) / sizeof(struct fw_ri_sge))
@@ -78,7 +79,7 @@ struct t4_status_page {
78 sizeof(struct fw_ri_rdma_write_wr) - \ 79 sizeof(struct fw_ri_rdma_write_wr) - \
79 sizeof(struct fw_ri_isgl)) / sizeof(struct fw_ri_sge)) 80 sizeof(struct fw_ri_isgl)) / sizeof(struct fw_ri_sge))
80#define T4_MAX_FR_IMMD ((T4_SQ_NUM_BYTES - sizeof(struct fw_ri_fr_nsmr_wr) - \ 81#define T4_MAX_FR_IMMD ((T4_SQ_NUM_BYTES - sizeof(struct fw_ri_fr_nsmr_wr) - \
81 sizeof(struct fw_ri_immd))) 82 sizeof(struct fw_ri_immd)) & ~31UL)
82#define T4_MAX_FR_DEPTH (T4_MAX_FR_IMMD / sizeof(u64)) 83#define T4_MAX_FR_DEPTH (T4_MAX_FR_IMMD / sizeof(u64))
83 84
84#define T4_RQ_NUM_SLOTS 2 85#define T4_RQ_NUM_SLOTS 2
@@ -266,10 +267,36 @@ struct t4_swsqe {
266 u16 idx; 267 u16 idx;
267}; 268};
268 269
270static inline pgprot_t t4_pgprot_wc(pgprot_t prot)
271{
272#if defined(__i386__) || defined(__x86_64__)
273 return pgprot_writecombine(prot);
274#elif defined(CONFIG_PPC64)
275 return __pgprot((pgprot_val(prot) | _PAGE_NO_CACHE) &
276 ~(pgprot_t)_PAGE_GUARDED);
277#else
278 return pgprot_noncached(prot);
279#endif
280}
281
282static inline int t4_ocqp_supported(void)
283{
284#if defined(__i386__) || defined(__x86_64__) || defined(CONFIG_PPC64)
285 return 1;
286#else
287 return 0;
288#endif
289}
290
291enum {
292 T4_SQ_ONCHIP = (1<<0),
293};
294
269struct t4_sq { 295struct t4_sq {
270 union t4_wr *queue; 296 union t4_wr *queue;
271 dma_addr_t dma_addr; 297 dma_addr_t dma_addr;
272 DEFINE_DMA_UNMAP_ADDR(mapping); 298 DEFINE_DMA_UNMAP_ADDR(mapping);
299 unsigned long phys_addr;
273 struct t4_swsqe *sw_sq; 300 struct t4_swsqe *sw_sq;
274 struct t4_swsqe *oldest_read; 301 struct t4_swsqe *oldest_read;
275 u64 udb; 302 u64 udb;
@@ -280,6 +307,7 @@ struct t4_sq {
280 u16 cidx; 307 u16 cidx;
281 u16 pidx; 308 u16 pidx;
282 u16 wq_pidx; 309 u16 wq_pidx;
310 u16 flags;
283}; 311};
284 312
285struct t4_swrqe { 313struct t4_swrqe {
@@ -350,6 +378,11 @@ static inline void t4_rq_consume(struct t4_wq *wq)
350 wq->rq.cidx = 0; 378 wq->rq.cidx = 0;
351} 379}
352 380
381static inline int t4_sq_onchip(struct t4_sq *sq)
382{
383 return sq->flags & T4_SQ_ONCHIP;
384}
385
353static inline int t4_sq_empty(struct t4_wq *wq) 386static inline int t4_sq_empty(struct t4_wq *wq)
354{ 387{
355 return wq->sq.in_use == 0; 388 return wq->sq.in_use == 0;
@@ -396,30 +429,27 @@ static inline void t4_ring_rq_db(struct t4_wq *wq, u16 inc)
396 429
397static inline int t4_wq_in_error(struct t4_wq *wq) 430static inline int t4_wq_in_error(struct t4_wq *wq)
398{ 431{
399 return wq->sq.queue[wq->sq.size].status.qp_err; 432 return wq->rq.queue[wq->rq.size].status.qp_err;
400} 433}
401 434
402static inline void t4_set_wq_in_error(struct t4_wq *wq) 435static inline void t4_set_wq_in_error(struct t4_wq *wq)
403{ 436{
404 wq->sq.queue[wq->sq.size].status.qp_err = 1;
405 wq->rq.queue[wq->rq.size].status.qp_err = 1; 437 wq->rq.queue[wq->rq.size].status.qp_err = 1;
406} 438}
407 439
408static inline void t4_disable_wq_db(struct t4_wq *wq) 440static inline void t4_disable_wq_db(struct t4_wq *wq)
409{ 441{
410 wq->sq.queue[wq->sq.size].status.db_off = 1;
411 wq->rq.queue[wq->rq.size].status.db_off = 1; 442 wq->rq.queue[wq->rq.size].status.db_off = 1;
412} 443}
413 444
414static inline void t4_enable_wq_db(struct t4_wq *wq) 445static inline void t4_enable_wq_db(struct t4_wq *wq)
415{ 446{
416 wq->sq.queue[wq->sq.size].status.db_off = 0;
417 wq->rq.queue[wq->rq.size].status.db_off = 0; 447 wq->rq.queue[wq->rq.size].status.db_off = 0;
418} 448}
419 449
420static inline int t4_wq_db_enabled(struct t4_wq *wq) 450static inline int t4_wq_db_enabled(struct t4_wq *wq)
421{ 451{
422 return !wq->sq.queue[wq->sq.size].status.db_off; 452 return !wq->rq.queue[wq->rq.size].status.db_off;
423} 453}
424 454
425struct t4_cq { 455struct t4_cq {
diff --git a/drivers/infiniband/hw/cxgb4/user.h b/drivers/infiniband/hw/cxgb4/user.h
index ed6414abde02..e6669d54770e 100644
--- a/drivers/infiniband/hw/cxgb4/user.h
+++ b/drivers/infiniband/hw/cxgb4/user.h
@@ -50,7 +50,13 @@ struct c4iw_create_cq_resp {
50 __u32 qid_mask; 50 __u32 qid_mask;
51}; 51};
52 52
53
54enum {
55 C4IW_QPF_ONCHIP = (1<<0)
56};
57
53struct c4iw_create_qp_resp { 58struct c4iw_create_qp_resp {
59 __u64 ma_sync_key;
54 __u64 sq_key; 60 __u64 sq_key;
55 __u64 rq_key; 61 __u64 rq_key;
56 __u64 sq_db_gts_key; 62 __u64 sq_db_gts_key;
@@ -62,5 +68,6 @@ struct c4iw_create_qp_resp {
62 __u32 sq_size; 68 __u32 sq_size;
63 __u32 rq_size; 69 __u32 rq_size;
64 __u32 qid_mask; 70 __u32 qid_mask;
71 __u32 flags;
65}; 72};
66#endif 73#endif
diff --git a/drivers/infiniband/hw/ehca/ehca_mrmw.c b/drivers/infiniband/hw/ehca/ehca_mrmw.c
index 53f4cd4fc19a..43cae84005f0 100644
--- a/drivers/infiniband/hw/ehca/ehca_mrmw.c
+++ b/drivers/infiniband/hw/ehca/ehca_mrmw.c
@@ -171,7 +171,7 @@ struct ib_mr *ehca_get_dma_mr(struct ib_pd *pd, int mr_access_flags)
171 } 171 }
172 172
173 ret = ehca_reg_maxmr(shca, e_maxmr, 173 ret = ehca_reg_maxmr(shca, e_maxmr,
174 (void *)ehca_map_vaddr((void *)KERNELBASE), 174 (void *)ehca_map_vaddr((void *)(KERNELBASE + PHYSICAL_START)),
175 mr_access_flags, e_pd, 175 mr_access_flags, e_pd,
176 &e_maxmr->ib.ib_mr.lkey, 176 &e_maxmr->ib.ib_mr.lkey,
177 &e_maxmr->ib.ib_mr.rkey); 177 &e_maxmr->ib.ib_mr.rkey);
@@ -1636,7 +1636,7 @@ int ehca_reg_internal_maxmr(
1636 1636
1637 /* register internal max-MR on HCA */ 1637 /* register internal max-MR on HCA */
1638 size_maxmr = ehca_mr_len; 1638 size_maxmr = ehca_mr_len;
1639 iova_start = (u64 *)ehca_map_vaddr((void *)KERNELBASE); 1639 iova_start = (u64 *)ehca_map_vaddr((void *)(KERNELBASE + PHYSICAL_START));
1640 ib_pbuf.addr = 0; 1640 ib_pbuf.addr = 0;
1641 ib_pbuf.size = size_maxmr; 1641 ib_pbuf.size = size_maxmr;
1642 num_kpages = NUM_CHUNKS(((u64)iova_start % PAGE_SIZE) + size_maxmr, 1642 num_kpages = NUM_CHUNKS(((u64)iova_start % PAGE_SIZE) + size_maxmr,
@@ -2209,7 +2209,7 @@ int ehca_mr_is_maxmr(u64 size,
2209{ 2209{
2210 /* a MR is treated as max-MR only if it fits following: */ 2210 /* a MR is treated as max-MR only if it fits following: */
2211 if ((size == ehca_mr_len) && 2211 if ((size == ehca_mr_len) &&
2212 (iova_start == (void *)ehca_map_vaddr((void *)KERNELBASE))) { 2212 (iova_start == (void *)ehca_map_vaddr((void *)(KERNELBASE + PHYSICAL_START)))) {
2213 ehca_gen_dbg("this is a max-MR"); 2213 ehca_gen_dbg("this is a max-MR");
2214 return 1; 2214 return 1;
2215 } else 2215 } else
diff --git a/drivers/infiniband/hw/ipath/Makefile b/drivers/infiniband/hw/ipath/Makefile
index fa3df82681df..4496f2820c92 100644
--- a/drivers/infiniband/hw/ipath/Makefile
+++ b/drivers/infiniband/hw/ipath/Makefile
@@ -1,4 +1,4 @@
1EXTRA_CFLAGS += -DIPATH_IDSTR='"QLogic kernel.org driver"' \ 1ccflags-y := -DIPATH_IDSTR='"QLogic kernel.org driver"' \
2 -DIPATH_KERN_TYPE=0 2 -DIPATH_KERN_TYPE=0
3 3
4obj-$(CONFIG_INFINIBAND_IPATH) += ib_ipath.o 4obj-$(CONFIG_INFINIBAND_IPATH) += ib_ipath.o
diff --git a/drivers/infiniband/hw/mlx4/main.c b/drivers/infiniband/hw/mlx4/main.c
index 8736bd836dc0..bf3e20cd0298 100644
--- a/drivers/infiniband/hw/mlx4/main.c
+++ b/drivers/infiniband/hw/mlx4/main.c
@@ -151,7 +151,7 @@ static int mlx4_ib_query_device(struct ib_device *ibdev,
151 props->max_srq = dev->dev->caps.num_srqs - dev->dev->caps.reserved_srqs; 151 props->max_srq = dev->dev->caps.num_srqs - dev->dev->caps.reserved_srqs;
152 props->max_srq_wr = dev->dev->caps.max_srq_wqes - 1; 152 props->max_srq_wr = dev->dev->caps.max_srq_wqes - 1;
153 props->max_srq_sge = dev->dev->caps.max_srq_sge; 153 props->max_srq_sge = dev->dev->caps.max_srq_sge;
154 props->max_fast_reg_page_list_len = PAGE_SIZE / sizeof (u64); 154 props->max_fast_reg_page_list_len = MLX4_MAX_FAST_REG_PAGES;
155 props->local_ca_ack_delay = dev->dev->caps.local_ca_ack_delay; 155 props->local_ca_ack_delay = dev->dev->caps.local_ca_ack_delay;
156 props->atomic_cap = dev->dev->caps.flags & MLX4_DEV_CAP_FLAG_ATOMIC ? 156 props->atomic_cap = dev->dev->caps.flags & MLX4_DEV_CAP_FLAG_ATOMIC ?
157 IB_ATOMIC_HCA : IB_ATOMIC_NONE; 157 IB_ATOMIC_HCA : IB_ATOMIC_NONE;
@@ -372,14 +372,32 @@ out:
372static int mlx4_ib_modify_device(struct ib_device *ibdev, int mask, 372static int mlx4_ib_modify_device(struct ib_device *ibdev, int mask,
373 struct ib_device_modify *props) 373 struct ib_device_modify *props)
374{ 374{
375 struct mlx4_cmd_mailbox *mailbox;
376
375 if (mask & ~IB_DEVICE_MODIFY_NODE_DESC) 377 if (mask & ~IB_DEVICE_MODIFY_NODE_DESC)
376 return -EOPNOTSUPP; 378 return -EOPNOTSUPP;
377 379
378 if (mask & IB_DEVICE_MODIFY_NODE_DESC) { 380 if (!(mask & IB_DEVICE_MODIFY_NODE_DESC))
379 spin_lock(&to_mdev(ibdev)->sm_lock); 381 return 0;
380 memcpy(ibdev->node_desc, props->node_desc, 64); 382
381 spin_unlock(&to_mdev(ibdev)->sm_lock); 383 spin_lock(&to_mdev(ibdev)->sm_lock);
382 } 384 memcpy(ibdev->node_desc, props->node_desc, 64);
385 spin_unlock(&to_mdev(ibdev)->sm_lock);
386
387 /*
388 * If possible, pass node desc to FW, so it can generate
389 * a 144 trap. If cmd fails, just ignore.
390 */
391 mailbox = mlx4_alloc_cmd_mailbox(to_mdev(ibdev)->dev);
392 if (IS_ERR(mailbox))
393 return 0;
394
395 memset(mailbox->buf, 0, 256);
396 memcpy(mailbox->buf, props->node_desc, 64);
397 mlx4_cmd(to_mdev(ibdev)->dev, mailbox->dma, 1, 0,
398 MLX4_CMD_SET_NODE, MLX4_CMD_TIME_CLASS_A);
399
400 mlx4_free_cmd_mailbox(to_mdev(ibdev)->dev, mailbox);
383 401
384 return 0; 402 return 0;
385} 403}
diff --git a/drivers/infiniband/hw/mlx4/mr.c b/drivers/infiniband/hw/mlx4/mr.c
index 1d27b9a8e2d6..dca55b19a6f1 100644
--- a/drivers/infiniband/hw/mlx4/mr.c
+++ b/drivers/infiniband/hw/mlx4/mr.c
@@ -226,7 +226,7 @@ struct ib_fast_reg_page_list *mlx4_ib_alloc_fast_reg_page_list(struct ib_device
226 struct mlx4_ib_fast_reg_page_list *mfrpl; 226 struct mlx4_ib_fast_reg_page_list *mfrpl;
227 int size = page_list_len * sizeof (u64); 227 int size = page_list_len * sizeof (u64);
228 228
229 if (size > PAGE_SIZE) 229 if (page_list_len > MLX4_MAX_FAST_REG_PAGES)
230 return ERR_PTR(-EINVAL); 230 return ERR_PTR(-EINVAL);
231 231
232 mfrpl = kmalloc(sizeof *mfrpl, GFP_KERNEL); 232 mfrpl = kmalloc(sizeof *mfrpl, GFP_KERNEL);
diff --git a/drivers/infiniband/hw/nes/nes_cm.c b/drivers/infiniband/hw/nes/nes_cm.c
index 61e0efd4ccfb..5c8d34cb6a23 100644
--- a/drivers/infiniband/hw/nes/nes_cm.c
+++ b/drivers/infiniband/hw/nes/nes_cm.c
@@ -1424,7 +1424,6 @@ static void handle_rst_pkt(struct nes_cm_node *cm_node, struct sk_buff *skb,
1424{ 1424{
1425 1425
1426 int reset = 0; /* whether to send reset in case of err.. */ 1426 int reset = 0; /* whether to send reset in case of err.. */
1427 int passive_state;
1428 atomic_inc(&cm_resets_recvd); 1427 atomic_inc(&cm_resets_recvd);
1429 nes_debug(NES_DBG_CM, "Received Reset, cm_node = %p, state = %u." 1428 nes_debug(NES_DBG_CM, "Received Reset, cm_node = %p, state = %u."
1430 " refcnt=%d\n", cm_node, cm_node->state, 1429 " refcnt=%d\n", cm_node, cm_node->state,
@@ -1439,7 +1438,7 @@ static void handle_rst_pkt(struct nes_cm_node *cm_node, struct sk_buff *skb,
1439 active_open_err(cm_node, skb, reset); 1438 active_open_err(cm_node, skb, reset);
1440 break; 1439 break;
1441 case NES_CM_STATE_MPAREQ_RCVD: 1440 case NES_CM_STATE_MPAREQ_RCVD:
1442 passive_state = atomic_add_return(1, &cm_node->passive_state); 1441 atomic_inc(&cm_node->passive_state);
1443 dev_kfree_skb_any(skb); 1442 dev_kfree_skb_any(skb);
1444 break; 1443 break;
1445 case NES_CM_STATE_ESTABLISHED: 1444 case NES_CM_STATE_ESTABLISHED:
diff --git a/drivers/infiniband/hw/nes/nes_nic.c b/drivers/infiniband/hw/nes/nes_nic.c
index 10560c796fd6..3892e2c0e95a 100644
--- a/drivers/infiniband/hw/nes/nes_nic.c
+++ b/drivers/infiniband/hw/nes/nes_nic.c
@@ -271,6 +271,7 @@ static int nes_netdev_stop(struct net_device *netdev)
271 271
272 if (netif_msg_ifdown(nesvnic)) 272 if (netif_msg_ifdown(nesvnic))
273 printk(KERN_INFO PFX "%s: disabling interface\n", netdev->name); 273 printk(KERN_INFO PFX "%s: disabling interface\n", netdev->name);
274 netif_carrier_off(netdev);
274 275
275 /* Disable network packets */ 276 /* Disable network packets */
276 napi_disable(&nesvnic->napi); 277 napi_disable(&nesvnic->napi);
diff --git a/drivers/infiniband/hw/nes/nes_verbs.c b/drivers/infiniband/hw/nes/nes_verbs.c
index 9046e6675686..2374efbdda6b 100644
--- a/drivers/infiniband/hw/nes/nes_verbs.c
+++ b/drivers/infiniband/hw/nes/nes_verbs.c
@@ -476,9 +476,9 @@ static struct ib_fast_reg_page_list *nes_alloc_fast_reg_page_list(
476 } 476 }
477 nes_debug(NES_DBG_MR, "nes_alloc_fast_reg_pbl: nes_frpl = %p, " 477 nes_debug(NES_DBG_MR, "nes_alloc_fast_reg_pbl: nes_frpl = %p, "
478 "ibfrpl = %p, ibfrpl.page_list = %p, pbl.kva = %p, " 478 "ibfrpl = %p, ibfrpl.page_list = %p, pbl.kva = %p, "
479 "pbl.paddr= %p\n", pnesfrpl, &pnesfrpl->ibfrpl, 479 "pbl.paddr = %llx\n", pnesfrpl, &pnesfrpl->ibfrpl,
480 pnesfrpl->ibfrpl.page_list, pnesfrpl->nes_wqe_pbl.kva, 480 pnesfrpl->ibfrpl.page_list, pnesfrpl->nes_wqe_pbl.kva,
481 (void *)pnesfrpl->nes_wqe_pbl.paddr); 481 (unsigned long long) pnesfrpl->nes_wqe_pbl.paddr);
482 482
483 return pifrpl; 483 return pifrpl;
484} 484}
@@ -584,7 +584,9 @@ static int nes_query_port(struct ib_device *ibdev, u8 port, struct ib_port_attr
584 props->lmc = 0; 584 props->lmc = 0;
585 props->sm_lid = 0; 585 props->sm_lid = 0;
586 props->sm_sl = 0; 586 props->sm_sl = 0;
587 if (nesvnic->linkup) 587 if (netif_queue_stopped(netdev))
588 props->state = IB_PORT_DOWN;
589 else if (nesvnic->linkup)
588 props->state = IB_PORT_ACTIVE; 590 props->state = IB_PORT_ACTIVE;
589 else 591 else
590 props->state = IB_PORT_DOWN; 592 props->state = IB_PORT_DOWN;
@@ -3483,13 +3485,13 @@ static int nes_post_send(struct ib_qp *ibqp, struct ib_send_wr *ib_wr,
3483 for (i = 0; i < ib_wr->wr.fast_reg.page_list_len; i++) 3485 for (i = 0; i < ib_wr->wr.fast_reg.page_list_len; i++)
3484 dst_page_list[i] = cpu_to_le64(src_page_list[i]); 3486 dst_page_list[i] = cpu_to_le64(src_page_list[i]);
3485 3487
3486 nes_debug(NES_DBG_IW_TX, "SQ_FMR: iova_start: %p, " 3488 nes_debug(NES_DBG_IW_TX, "SQ_FMR: iova_start: %llx, "
3487 "length: %d, rkey: %0x, pgl_paddr: %p, " 3489 "length: %d, rkey: %0x, pgl_paddr: %llx, "
3488 "page_list_len: %u, wqe_misc: %x\n", 3490 "page_list_len: %u, wqe_misc: %x\n",
3489 (void *)ib_wr->wr.fast_reg.iova_start, 3491 (unsigned long long) ib_wr->wr.fast_reg.iova_start,
3490 ib_wr->wr.fast_reg.length, 3492 ib_wr->wr.fast_reg.length,
3491 ib_wr->wr.fast_reg.rkey, 3493 ib_wr->wr.fast_reg.rkey,
3492 (void *)pnesfrpl->nes_wqe_pbl.paddr, 3494 (unsigned long long) pnesfrpl->nes_wqe_pbl.paddr,
3493 ib_wr->wr.fast_reg.page_list_len, 3495 ib_wr->wr.fast_reg.page_list_len,
3494 wqe_misc); 3496 wqe_misc);
3495 break; 3497 break;
diff --git a/drivers/infiniband/hw/qib/qib.h b/drivers/infiniband/hw/qib/qib.h
index 61de0654820e..64c9e7d02d4a 100644
--- a/drivers/infiniband/hw/qib/qib.h
+++ b/drivers/infiniband/hw/qib/qib.h
@@ -1406,7 +1406,7 @@ extern struct mutex qib_mutex;
1406 */ 1406 */
1407#define qib_early_err(dev, fmt, ...) \ 1407#define qib_early_err(dev, fmt, ...) \
1408 do { \ 1408 do { \
1409 dev_info(dev, KERN_ERR QIB_DRV_NAME ": " fmt, ##__VA_ARGS__); \ 1409 dev_err(dev, fmt, ##__VA_ARGS__); \
1410 } while (0) 1410 } while (0)
1411 1411
1412#define qib_dev_err(dd, fmt, ...) \ 1412#define qib_dev_err(dd, fmt, ...) \
diff --git a/drivers/infiniband/hw/qib/qib_file_ops.c b/drivers/infiniband/hw/qib/qib_file_ops.c
index 6b11645edf35..cef5d676120a 100644
--- a/drivers/infiniband/hw/qib/qib_file_ops.c
+++ b/drivers/infiniband/hw/qib/qib_file_ops.c
@@ -1722,7 +1722,7 @@ static int qib_close(struct inode *in, struct file *fp)
1722 1722
1723 mutex_lock(&qib_mutex); 1723 mutex_lock(&qib_mutex);
1724 1724
1725 fd = (struct qib_filedata *) fp->private_data; 1725 fd = fp->private_data;
1726 fp->private_data = NULL; 1726 fp->private_data = NULL;
1727 rcd = fd->rcd; 1727 rcd = fd->rcd;
1728 if (!rcd) { 1728 if (!rcd) {
@@ -1808,7 +1808,7 @@ static int qib_ctxt_info(struct file *fp, struct qib_ctxt_info __user *uinfo)
1808 struct qib_ctxtdata *rcd = ctxt_fp(fp); 1808 struct qib_ctxtdata *rcd = ctxt_fp(fp);
1809 struct qib_filedata *fd; 1809 struct qib_filedata *fd;
1810 1810
1811 fd = (struct qib_filedata *) fp->private_data; 1811 fd = fp->private_data;
1812 1812
1813 info.num_active = qib_count_active_units(); 1813 info.num_active = qib_count_active_units();
1814 info.unit = rcd->dd->unit; 1814 info.unit = rcd->dd->unit;
diff --git a/drivers/infiniband/hw/qib/qib_init.c b/drivers/infiniband/hw/qib/qib_init.c
index f1d16d3a01f6..f3b503936043 100644
--- a/drivers/infiniband/hw/qib/qib_init.c
+++ b/drivers/infiniband/hw/qib/qib_init.c
@@ -1243,6 +1243,7 @@ static int __devinit qib_init_one(struct pci_dev *pdev,
1243 qib_early_err(&pdev->dev, "QLogic PCIE device 0x%x cannot " 1243 qib_early_err(&pdev->dev, "QLogic PCIE device 0x%x cannot "
1244 "work if CONFIG_PCI_MSI is not enabled\n", 1244 "work if CONFIG_PCI_MSI is not enabled\n",
1245 ent->device); 1245 ent->device);
1246 dd = ERR_PTR(-ENODEV);
1246#endif 1247#endif
1247 break; 1248 break;
1248 1249
diff --git a/drivers/infiniband/hw/qib/qib_pcie.c b/drivers/infiniband/hw/qib/qib_pcie.c
index 7fa6e5592630..48b6674cbc49 100644
--- a/drivers/infiniband/hw/qib/qib_pcie.c
+++ b/drivers/infiniband/hw/qib/qib_pcie.c
@@ -103,16 +103,20 @@ int qib_pcie_init(struct pci_dev *pdev, const struct pci_device_id *ent)
103 ret = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32)); 103 ret = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32));
104 } else 104 } else
105 ret = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64)); 105 ret = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64));
106 if (ret) 106 if (ret) {
107 qib_early_err(&pdev->dev, 107 qib_early_err(&pdev->dev,
108 "Unable to set DMA consistent mask: %d\n", ret); 108 "Unable to set DMA consistent mask: %d\n", ret);
109 goto bail;
110 }
109 111
110 pci_set_master(pdev); 112 pci_set_master(pdev);
111 ret = pci_enable_pcie_error_reporting(pdev); 113 ret = pci_enable_pcie_error_reporting(pdev);
112 if (ret) 114 if (ret) {
113 qib_early_err(&pdev->dev, 115 qib_early_err(&pdev->dev,
114 "Unable to enable pcie error reporting: %d\n", 116 "Unable to enable pcie error reporting: %d\n",
115 ret); 117 ret);
118 ret = 0;
119 }
116 goto done; 120 goto done;
117 121
118bail: 122bail:
diff --git a/drivers/infiniband/hw/qib/qib_rc.c b/drivers/infiniband/hw/qib/qib_rc.c
index a0931119bd78..955fb7157793 100644
--- a/drivers/infiniband/hw/qib/qib_rc.c
+++ b/drivers/infiniband/hw/qib/qib_rc.c
@@ -2068,7 +2068,10 @@ send_last:
2068 goto nack_op_err; 2068 goto nack_op_err;
2069 if (!ret) 2069 if (!ret)
2070 goto rnr_nak; 2070 goto rnr_nak;
2071 goto send_last_imm; 2071 wc.ex.imm_data = ohdr->u.rc.imm_data;
2072 hdrsize += 4;
2073 wc.wc_flags = IB_WC_WITH_IMM;
2074 goto send_last;
2072 2075
2073 case OP(RDMA_READ_REQUEST): { 2076 case OP(RDMA_READ_REQUEST): {
2074 struct qib_ack_entry *e; 2077 struct qib_ack_entry *e;
diff --git a/drivers/infiniband/hw/qib/qib_uc.c b/drivers/infiniband/hw/qib/qib_uc.c
index b9c8b6346c1b..32ccf3c824ca 100644
--- a/drivers/infiniband/hw/qib/qib_uc.c
+++ b/drivers/infiniband/hw/qib/qib_uc.c
@@ -457,8 +457,10 @@ rdma_first:
457 } 457 }
458 if (opcode == OP(RDMA_WRITE_ONLY)) 458 if (opcode == OP(RDMA_WRITE_ONLY))
459 goto rdma_last; 459 goto rdma_last;
460 else if (opcode == OP(RDMA_WRITE_ONLY_WITH_IMMEDIATE)) 460 else if (opcode == OP(RDMA_WRITE_ONLY_WITH_IMMEDIATE)) {
461 wc.ex.imm_data = ohdr->u.rc.imm_data;
461 goto rdma_last_imm; 462 goto rdma_last_imm;
463 }
462 /* FALLTHROUGH */ 464 /* FALLTHROUGH */
463 case OP(RDMA_WRITE_MIDDLE): 465 case OP(RDMA_WRITE_MIDDLE):
464 /* Check for invalid length PMTU or posted rwqe len. */ 466 /* Check for invalid length PMTU or posted rwqe len. */
@@ -471,8 +473,8 @@ rdma_first:
471 break; 473 break;
472 474
473 case OP(RDMA_WRITE_LAST_WITH_IMMEDIATE): 475 case OP(RDMA_WRITE_LAST_WITH_IMMEDIATE):
474rdma_last_imm:
475 wc.ex.imm_data = ohdr->u.imm_data; 476 wc.ex.imm_data = ohdr->u.imm_data;
477rdma_last_imm:
476 hdrsize += 4; 478 hdrsize += 4;
477 wc.wc_flags = IB_WC_WITH_IMM; 479 wc.wc_flags = IB_WC_WITH_IMM;
478 480
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_ib.c b/drivers/infiniband/ulp/ipoib/ipoib_ib.c
index ec6b4fbe25e4..dfa71903d6e4 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_ib.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_ib.c
@@ -223,6 +223,7 @@ static void ipoib_ib_handle_rx_wc(struct net_device *dev, struct ib_wc *wc)
223 unsigned int wr_id = wc->wr_id & ~IPOIB_OP_RECV; 223 unsigned int wr_id = wc->wr_id & ~IPOIB_OP_RECV;
224 struct sk_buff *skb; 224 struct sk_buff *skb;
225 u64 mapping[IPOIB_UD_RX_SG]; 225 u64 mapping[IPOIB_UD_RX_SG];
226 union ib_gid *dgid;
226 227
227 ipoib_dbg_data(priv, "recv completion: id %d, status: %d\n", 228 ipoib_dbg_data(priv, "recv completion: id %d, status: %d\n",
228 wr_id, wc->status); 229 wr_id, wc->status);
@@ -271,6 +272,16 @@ static void ipoib_ib_handle_rx_wc(struct net_device *dev, struct ib_wc *wc)
271 ipoib_ud_dma_unmap_rx(priv, mapping); 272 ipoib_ud_dma_unmap_rx(priv, mapping);
272 ipoib_ud_skb_put_frags(priv, skb, wc->byte_len); 273 ipoib_ud_skb_put_frags(priv, skb, wc->byte_len);
273 274
275 /* First byte of dgid signals multicast when 0xff */
276 dgid = &((struct ib_grh *)skb->data)->dgid;
277
278 if (!(wc->wc_flags & IB_WC_GRH) || dgid->raw[0] != 0xff)
279 skb->pkt_type = PACKET_HOST;
280 else if (memcmp(dgid, dev->broadcast + 4, sizeof(union ib_gid)) == 0)
281 skb->pkt_type = PACKET_BROADCAST;
282 else
283 skb->pkt_type = PACKET_MULTICAST;
284
274 skb_pull(skb, IB_GRH_BYTES); 285 skb_pull(skb, IB_GRH_BYTES);
275 286
276 skb->protocol = ((struct ipoib_header *) skb->data)->proto; 287 skb->protocol = ((struct ipoib_header *) skb->data)->proto;
@@ -281,9 +292,6 @@ static void ipoib_ib_handle_rx_wc(struct net_device *dev, struct ib_wc *wc)
281 dev->stats.rx_bytes += skb->len; 292 dev->stats.rx_bytes += skb->len;
282 293
283 skb->dev = dev; 294 skb->dev = dev;
284 /* XXX get correct PACKET_ type here */
285 skb->pkt_type = PACKET_HOST;
286
287 if (test_bit(IPOIB_FLAG_CSUM, &priv->flags) && likely(wc->csum_ok)) 295 if (test_bit(IPOIB_FLAG_CSUM, &priv->flags) && likely(wc->csum_ok))
288 skb->ip_summed = CHECKSUM_UNNECESSARY; 296 skb->ip_summed = CHECKSUM_UNNECESSARY;
289 297
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_main.c b/drivers/infiniband/ulp/ipoib/ipoib_main.c
index 9141779fba3c..4f258c88c1b4 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_main.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_main.c
@@ -1240,6 +1240,7 @@ static struct net_device *ipoib_add_port(const char *format,
1240 goto alloc_mem_failed; 1240 goto alloc_mem_failed;
1241 1241
1242 SET_NETDEV_DEV(priv->dev, hca->dma_device); 1242 SET_NETDEV_DEV(priv->dev, hca->dma_device);
1243 priv->dev->dev_id = port - 1;
1243 1244
1244 if (!ib_query_port(hca, port, &attr)) 1245 if (!ib_query_port(hca, port, &attr))
1245 priv->max_ib_mtu = ib_mtu_enum_to_int(attr.max_mtu); 1246 priv->max_ib_mtu = ib_mtu_enum_to_int(attr.max_mtu);
diff --git a/drivers/infiniband/ulp/srp/ib_srp.c b/drivers/infiniband/ulp/srp/ib_srp.c
index 7f8f16bad753..cfc1d65c4577 100644
--- a/drivers/infiniband/ulp/srp/ib_srp.c
+++ b/drivers/infiniband/ulp/srp/ib_srp.c
@@ -291,7 +291,7 @@ static void srp_free_target_ib(struct srp_target_port *target)
291 291
292 for (i = 0; i < SRP_RQ_SIZE; ++i) 292 for (i = 0; i < SRP_RQ_SIZE; ++i)
293 srp_free_iu(target->srp_host, target->rx_ring[i]); 293 srp_free_iu(target->srp_host, target->rx_ring[i]);
294 for (i = 0; i < SRP_SQ_SIZE + 1; ++i) 294 for (i = 0; i < SRP_SQ_SIZE; ++i)
295 srp_free_iu(target->srp_host, target->tx_ring[i]); 295 srp_free_iu(target->srp_host, target->tx_ring[i]);
296} 296}
297 297
@@ -811,6 +811,75 @@ static int srp_map_data(struct scsi_cmnd *scmnd, struct srp_target_port *target,
811 return len; 811 return len;
812} 812}
813 813
814/*
815 * Must be called with target->scsi_host->host_lock held to protect
816 * req_lim and tx_head. Lock cannot be dropped between call here and
817 * call to __srp_post_send().
818 *
819 * Note:
820 * An upper limit for the number of allocated information units for each
821 * request type is:
822 * - SRP_IU_CMD: SRP_CMD_SQ_SIZE, since the SCSI mid-layer never queues
823 * more than Scsi_Host.can_queue requests.
824 * - SRP_IU_TSK_MGMT: SRP_TSK_MGMT_SQ_SIZE.
825 * - SRP_IU_RSP: 1, since a conforming SRP target never sends more than
826 * one unanswered SRP request to an initiator.
827 */
828static struct srp_iu *__srp_get_tx_iu(struct srp_target_port *target,
829 enum srp_iu_type iu_type)
830{
831 s32 rsv = (iu_type == SRP_IU_TSK_MGMT) ? 0 : SRP_TSK_MGMT_SQ_SIZE;
832 struct srp_iu *iu;
833
834 srp_send_completion(target->send_cq, target);
835
836 if (target->tx_head - target->tx_tail >= SRP_SQ_SIZE)
837 return NULL;
838
839 /* Initiator responses to target requests do not consume credits */
840 if (target->req_lim <= rsv && iu_type != SRP_IU_RSP) {
841 ++target->zero_req_lim;
842 return NULL;
843 }
844
845 iu = target->tx_ring[target->tx_head & SRP_SQ_MASK];
846 iu->type = iu_type;
847 return iu;
848}
849
850/*
851 * Must be called with target->scsi_host->host_lock held to protect
852 * req_lim and tx_head.
853 */
854static int __srp_post_send(struct srp_target_port *target,
855 struct srp_iu *iu, int len)
856{
857 struct ib_sge list;
858 struct ib_send_wr wr, *bad_wr;
859 int ret = 0;
860
861 list.addr = iu->dma;
862 list.length = len;
863 list.lkey = target->srp_host->srp_dev->mr->lkey;
864
865 wr.next = NULL;
866 wr.wr_id = target->tx_head & SRP_SQ_MASK;
867 wr.sg_list = &list;
868 wr.num_sge = 1;
869 wr.opcode = IB_WR_SEND;
870 wr.send_flags = IB_SEND_SIGNALED;
871
872 ret = ib_post_send(target->qp, &wr, &bad_wr);
873
874 if (!ret) {
875 ++target->tx_head;
876 if (iu->type != SRP_IU_RSP)
877 --target->req_lim;
878 }
879
880 return ret;
881}
882
814static int srp_post_recv(struct srp_target_port *target) 883static int srp_post_recv(struct srp_target_port *target)
815{ 884{
816 unsigned long flags; 885 unsigned long flags;
@@ -822,7 +891,7 @@ static int srp_post_recv(struct srp_target_port *target)
822 891
823 spin_lock_irqsave(target->scsi_host->host_lock, flags); 892 spin_lock_irqsave(target->scsi_host->host_lock, flags);
824 893
825 next = target->rx_head & (SRP_RQ_SIZE - 1); 894 next = target->rx_head & SRP_RQ_MASK;
826 wr.wr_id = next; 895 wr.wr_id = next;
827 iu = target->rx_ring[next]; 896 iu = target->rx_ring[next];
828 897
@@ -896,6 +965,71 @@ static void srp_process_rsp(struct srp_target_port *target, struct srp_rsp *rsp)
896 spin_unlock_irqrestore(target->scsi_host->host_lock, flags); 965 spin_unlock_irqrestore(target->scsi_host->host_lock, flags);
897} 966}
898 967
968static int srp_response_common(struct srp_target_port *target, s32 req_delta,
969 void *rsp, int len)
970{
971 struct ib_device *dev;
972 unsigned long flags;
973 struct srp_iu *iu;
974 int err = 1;
975
976 dev = target->srp_host->srp_dev->dev;
977
978 spin_lock_irqsave(target->scsi_host->host_lock, flags);
979 target->req_lim += req_delta;
980
981 iu = __srp_get_tx_iu(target, SRP_IU_RSP);
982 if (!iu) {
983 shost_printk(KERN_ERR, target->scsi_host, PFX
984 "no IU available to send response\n");
985 goto out;
986 }
987
988 ib_dma_sync_single_for_cpu(dev, iu->dma, len, DMA_TO_DEVICE);
989 memcpy(iu->buf, rsp, len);
990 ib_dma_sync_single_for_device(dev, iu->dma, len, DMA_TO_DEVICE);
991
992 err = __srp_post_send(target, iu, len);
993 if (err)
994 shost_printk(KERN_ERR, target->scsi_host, PFX
995 "unable to post response: %d\n", err);
996
997out:
998 spin_unlock_irqrestore(target->scsi_host->host_lock, flags);
999 return err;
1000}
1001
1002static void srp_process_cred_req(struct srp_target_port *target,
1003 struct srp_cred_req *req)
1004{
1005 struct srp_cred_rsp rsp = {
1006 .opcode = SRP_CRED_RSP,
1007 .tag = req->tag,
1008 };
1009 s32 delta = be32_to_cpu(req->req_lim_delta);
1010
1011 if (srp_response_common(target, delta, &rsp, sizeof rsp))
1012 shost_printk(KERN_ERR, target->scsi_host, PFX
1013 "problems processing SRP_CRED_REQ\n");
1014}
1015
1016static void srp_process_aer_req(struct srp_target_port *target,
1017 struct srp_aer_req *req)
1018{
1019 struct srp_aer_rsp rsp = {
1020 .opcode = SRP_AER_RSP,
1021 .tag = req->tag,
1022 };
1023 s32 delta = be32_to_cpu(req->req_lim_delta);
1024
1025 shost_printk(KERN_ERR, target->scsi_host, PFX
1026 "ignoring AER for LUN %llu\n", be64_to_cpu(req->lun));
1027
1028 if (srp_response_common(target, delta, &rsp, sizeof rsp))
1029 shost_printk(KERN_ERR, target->scsi_host, PFX
1030 "problems processing SRP_AER_REQ\n");
1031}
1032
899static void srp_handle_recv(struct srp_target_port *target, struct ib_wc *wc) 1033static void srp_handle_recv(struct srp_target_port *target, struct ib_wc *wc)
900{ 1034{
901 struct ib_device *dev; 1035 struct ib_device *dev;
@@ -923,6 +1057,14 @@ static void srp_handle_recv(struct srp_target_port *target, struct ib_wc *wc)
923 srp_process_rsp(target, iu->buf); 1057 srp_process_rsp(target, iu->buf);
924 break; 1058 break;
925 1059
1060 case SRP_CRED_REQ:
1061 srp_process_cred_req(target, iu->buf);
1062 break;
1063
1064 case SRP_AER_REQ:
1065 srp_process_aer_req(target, iu->buf);
1066 break;
1067
926 case SRP_T_LOGOUT: 1068 case SRP_T_LOGOUT:
927 /* XXX Handle target logout */ 1069 /* XXX Handle target logout */
928 shost_printk(KERN_WARNING, target->scsi_host, 1070 shost_printk(KERN_WARNING, target->scsi_host,
@@ -981,61 +1123,6 @@ static void srp_send_completion(struct ib_cq *cq, void *target_ptr)
981 } 1123 }
982} 1124}
983 1125
984/*
985 * Must be called with target->scsi_host->host_lock held to protect
986 * req_lim and tx_head. Lock cannot be dropped between call here and
987 * call to __srp_post_send().
988 */
989static struct srp_iu *__srp_get_tx_iu(struct srp_target_port *target,
990 enum srp_request_type req_type)
991{
992 s32 min = (req_type == SRP_REQ_TASK_MGMT) ? 1 : 2;
993
994 srp_send_completion(target->send_cq, target);
995
996 if (target->tx_head - target->tx_tail >= SRP_SQ_SIZE)
997 return NULL;
998
999 if (target->req_lim < min) {
1000 ++target->zero_req_lim;
1001 return NULL;
1002 }
1003
1004 return target->tx_ring[target->tx_head & SRP_SQ_SIZE];
1005}
1006
1007/*
1008 * Must be called with target->scsi_host->host_lock held to protect
1009 * req_lim and tx_head.
1010 */
1011static int __srp_post_send(struct srp_target_port *target,
1012 struct srp_iu *iu, int len)
1013{
1014 struct ib_sge list;
1015 struct ib_send_wr wr, *bad_wr;
1016 int ret = 0;
1017
1018 list.addr = iu->dma;
1019 list.length = len;
1020 list.lkey = target->srp_host->srp_dev->mr->lkey;
1021
1022 wr.next = NULL;
1023 wr.wr_id = target->tx_head & SRP_SQ_SIZE;
1024 wr.sg_list = &list;
1025 wr.num_sge = 1;
1026 wr.opcode = IB_WR_SEND;
1027 wr.send_flags = IB_SEND_SIGNALED;
1028
1029 ret = ib_post_send(target->qp, &wr, &bad_wr);
1030
1031 if (!ret) {
1032 ++target->tx_head;
1033 --target->req_lim;
1034 }
1035
1036 return ret;
1037}
1038
1039static int srp_queuecommand(struct scsi_cmnd *scmnd, 1126static int srp_queuecommand(struct scsi_cmnd *scmnd,
1040 void (*done)(struct scsi_cmnd *)) 1127 void (*done)(struct scsi_cmnd *))
1041{ 1128{
@@ -1056,7 +1143,7 @@ static int srp_queuecommand(struct scsi_cmnd *scmnd,
1056 return 0; 1143 return 0;
1057 } 1144 }
1058 1145
1059 iu = __srp_get_tx_iu(target, SRP_REQ_NORMAL); 1146 iu = __srp_get_tx_iu(target, SRP_IU_CMD);
1060 if (!iu) 1147 if (!iu)
1061 goto err; 1148 goto err;
1062 1149
@@ -1064,7 +1151,7 @@ static int srp_queuecommand(struct scsi_cmnd *scmnd,
1064 ib_dma_sync_single_for_cpu(dev, iu->dma, srp_max_iu_len, 1151 ib_dma_sync_single_for_cpu(dev, iu->dma, srp_max_iu_len,
1065 DMA_TO_DEVICE); 1152 DMA_TO_DEVICE);
1066 1153
1067 req = list_entry(target->free_reqs.next, struct srp_request, list); 1154 req = list_first_entry(&target->free_reqs, struct srp_request, list);
1068 1155
1069 scmnd->scsi_done = done; 1156 scmnd->scsi_done = done;
1070 scmnd->result = 0; 1157 scmnd->result = 0;
@@ -1121,7 +1208,7 @@ static int srp_alloc_iu_bufs(struct srp_target_port *target)
1121 goto err; 1208 goto err;
1122 } 1209 }
1123 1210
1124 for (i = 0; i < SRP_SQ_SIZE + 1; ++i) { 1211 for (i = 0; i < SRP_SQ_SIZE; ++i) {
1125 target->tx_ring[i] = srp_alloc_iu(target->srp_host, 1212 target->tx_ring[i] = srp_alloc_iu(target->srp_host,
1126 srp_max_iu_len, 1213 srp_max_iu_len,
1127 GFP_KERNEL, DMA_TO_DEVICE); 1214 GFP_KERNEL, DMA_TO_DEVICE);
@@ -1137,7 +1224,7 @@ err:
1137 target->rx_ring[i] = NULL; 1224 target->rx_ring[i] = NULL;
1138 } 1225 }
1139 1226
1140 for (i = 0; i < SRP_SQ_SIZE + 1; ++i) { 1227 for (i = 0; i < SRP_SQ_SIZE; ++i) {
1141 srp_free_iu(target->srp_host, target->tx_ring[i]); 1228 srp_free_iu(target->srp_host, target->tx_ring[i]);
1142 target->tx_ring[i] = NULL; 1229 target->tx_ring[i] = NULL;
1143 } 1230 }
@@ -1252,8 +1339,13 @@ static int srp_cm_handler(struct ib_cm_id *cm_id, struct ib_cm_event *event)
1252 target->max_ti_iu_len = be32_to_cpu(rsp->max_ti_iu_len); 1339 target->max_ti_iu_len = be32_to_cpu(rsp->max_ti_iu_len);
1253 target->req_lim = be32_to_cpu(rsp->req_lim_delta); 1340 target->req_lim = be32_to_cpu(rsp->req_lim_delta);
1254 1341
1255 target->scsi_host->can_queue = min(target->req_lim, 1342 /*
1256 target->scsi_host->can_queue); 1343 * Reserve credits for task management so we don't
1344 * bounce requests back to the SCSI mid-layer.
1345 */
1346 target->scsi_host->can_queue
1347 = min(target->req_lim - SRP_TSK_MGMT_SQ_SIZE,
1348 target->scsi_host->can_queue);
1257 } else { 1349 } else {
1258 shost_printk(KERN_WARNING, target->scsi_host, 1350 shost_printk(KERN_WARNING, target->scsi_host,
1259 PFX "Unhandled RSP opcode %#x\n", opcode); 1351 PFX "Unhandled RSP opcode %#x\n", opcode);
@@ -1350,6 +1442,7 @@ static int srp_cm_handler(struct ib_cm_id *cm_id, struct ib_cm_event *event)
1350static int srp_send_tsk_mgmt(struct srp_target_port *target, 1442static int srp_send_tsk_mgmt(struct srp_target_port *target,
1351 struct srp_request *req, u8 func) 1443 struct srp_request *req, u8 func)
1352{ 1444{
1445 struct ib_device *dev = target->srp_host->srp_dev->dev;
1353 struct srp_iu *iu; 1446 struct srp_iu *iu;
1354 struct srp_tsk_mgmt *tsk_mgmt; 1447 struct srp_tsk_mgmt *tsk_mgmt;
1355 1448
@@ -1363,10 +1456,12 @@ static int srp_send_tsk_mgmt(struct srp_target_port *target,
1363 1456
1364 init_completion(&req->done); 1457 init_completion(&req->done);
1365 1458
1366 iu = __srp_get_tx_iu(target, SRP_REQ_TASK_MGMT); 1459 iu = __srp_get_tx_iu(target, SRP_IU_TSK_MGMT);
1367 if (!iu) 1460 if (!iu)
1368 goto out; 1461 goto out;
1369 1462
1463 ib_dma_sync_single_for_cpu(dev, iu->dma, sizeof *tsk_mgmt,
1464 DMA_TO_DEVICE);
1370 tsk_mgmt = iu->buf; 1465 tsk_mgmt = iu->buf;
1371 memset(tsk_mgmt, 0, sizeof *tsk_mgmt); 1466 memset(tsk_mgmt, 0, sizeof *tsk_mgmt);
1372 1467
@@ -1376,6 +1471,8 @@ static int srp_send_tsk_mgmt(struct srp_target_port *target,
1376 tsk_mgmt->tsk_mgmt_func = func; 1471 tsk_mgmt->tsk_mgmt_func = func;
1377 tsk_mgmt->task_tag = req->index; 1472 tsk_mgmt->task_tag = req->index;
1378 1473
1474 ib_dma_sync_single_for_device(dev, iu->dma, sizeof *tsk_mgmt,
1475 DMA_TO_DEVICE);
1379 if (__srp_post_send(target, iu, sizeof *tsk_mgmt)) 1476 if (__srp_post_send(target, iu, sizeof *tsk_mgmt))
1380 goto out; 1477 goto out;
1381 1478
@@ -1626,9 +1723,9 @@ static struct scsi_host_template srp_template = {
1626 .eh_abort_handler = srp_abort, 1723 .eh_abort_handler = srp_abort,
1627 .eh_device_reset_handler = srp_reset_device, 1724 .eh_device_reset_handler = srp_reset_device,
1628 .eh_host_reset_handler = srp_reset_host, 1725 .eh_host_reset_handler = srp_reset_host,
1629 .can_queue = SRP_SQ_SIZE, 1726 .can_queue = SRP_CMD_SQ_SIZE,
1630 .this_id = -1, 1727 .this_id = -1,
1631 .cmd_per_lun = SRP_SQ_SIZE, 1728 .cmd_per_lun = SRP_CMD_SQ_SIZE,
1632 .use_clustering = ENABLE_CLUSTERING, 1729 .use_clustering = ENABLE_CLUSTERING,
1633 .shost_attrs = srp_host_attrs 1730 .shost_attrs = srp_host_attrs
1634}; 1731};
@@ -1813,7 +1910,7 @@ static int srp_parse_options(const char *buf, struct srp_target_port *target)
1813 printk(KERN_WARNING PFX "bad max cmd_per_lun parameter '%s'\n", p); 1910 printk(KERN_WARNING PFX "bad max cmd_per_lun parameter '%s'\n", p);
1814 goto out; 1911 goto out;
1815 } 1912 }
1816 target->scsi_host->cmd_per_lun = min(token, SRP_SQ_SIZE); 1913 target->scsi_host->cmd_per_lun = min(token, SRP_CMD_SQ_SIZE);
1817 break; 1914 break;
1818 1915
1819 case SRP_OPT_IO_CLASS: 1916 case SRP_OPT_IO_CLASS:
@@ -1891,7 +1988,7 @@ static ssize_t srp_create_target(struct device *dev,
1891 1988
1892 INIT_LIST_HEAD(&target->free_reqs); 1989 INIT_LIST_HEAD(&target->free_reqs);
1893 INIT_LIST_HEAD(&target->req_queue); 1990 INIT_LIST_HEAD(&target->req_queue);
1894 for (i = 0; i < SRP_SQ_SIZE; ++i) { 1991 for (i = 0; i < SRP_CMD_SQ_SIZE; ++i) {
1895 target->req_ring[i].index = i; 1992 target->req_ring[i].index = i;
1896 list_add_tail(&target->req_ring[i].list, &target->free_reqs); 1993 list_add_tail(&target->req_ring[i].list, &target->free_reqs);
1897 } 1994 }
@@ -2159,6 +2256,9 @@ static int __init srp_init_module(void)
2159{ 2256{
2160 int ret; 2257 int ret;
2161 2258
2259 BUILD_BUG_ON_NOT_POWER_OF_2(SRP_SQ_SIZE);
2260 BUILD_BUG_ON_NOT_POWER_OF_2(SRP_RQ_SIZE);
2261
2162 if (srp_sg_tablesize > 255) { 2262 if (srp_sg_tablesize > 255) {
2163 printk(KERN_WARNING PFX "Clamping srp_sg_tablesize to 255\n"); 2263 printk(KERN_WARNING PFX "Clamping srp_sg_tablesize to 255\n");
2164 srp_sg_tablesize = 255; 2264 srp_sg_tablesize = 255;
diff --git a/drivers/infiniband/ulp/srp/ib_srp.h b/drivers/infiniband/ulp/srp/ib_srp.h
index 5a80eac6fdaa..ed0dce9e479f 100644
--- a/drivers/infiniband/ulp/srp/ib_srp.h
+++ b/drivers/infiniband/ulp/srp/ib_srp.h
@@ -59,7 +59,14 @@ enum {
59 59
60 SRP_RQ_SHIFT = 6, 60 SRP_RQ_SHIFT = 6,
61 SRP_RQ_SIZE = 1 << SRP_RQ_SHIFT, 61 SRP_RQ_SIZE = 1 << SRP_RQ_SHIFT,
62 SRP_SQ_SIZE = SRP_RQ_SIZE - 1, 62 SRP_RQ_MASK = SRP_RQ_SIZE - 1,
63
64 SRP_SQ_SIZE = SRP_RQ_SIZE,
65 SRP_SQ_MASK = SRP_SQ_SIZE - 1,
66 SRP_RSP_SQ_SIZE = 1,
67 SRP_REQ_SQ_SIZE = SRP_SQ_SIZE - SRP_RSP_SQ_SIZE,
68 SRP_TSK_MGMT_SQ_SIZE = 1,
69 SRP_CMD_SQ_SIZE = SRP_REQ_SQ_SIZE - SRP_TSK_MGMT_SQ_SIZE,
63 70
64 SRP_TAG_TSK_MGMT = 1 << (SRP_RQ_SHIFT + 1), 71 SRP_TAG_TSK_MGMT = 1 << (SRP_RQ_SHIFT + 1),
65 72
@@ -75,9 +82,10 @@ enum srp_target_state {
75 SRP_TARGET_REMOVED 82 SRP_TARGET_REMOVED
76}; 83};
77 84
78enum srp_request_type { 85enum srp_iu_type {
79 SRP_REQ_NORMAL, 86 SRP_IU_CMD,
80 SRP_REQ_TASK_MGMT, 87 SRP_IU_TSK_MGMT,
88 SRP_IU_RSP,
81}; 89};
82 90
83struct srp_device { 91struct srp_device {
@@ -144,11 +152,11 @@ struct srp_target_port {
144 152
145 unsigned tx_head; 153 unsigned tx_head;
146 unsigned tx_tail; 154 unsigned tx_tail;
147 struct srp_iu *tx_ring[SRP_SQ_SIZE + 1]; 155 struct srp_iu *tx_ring[SRP_SQ_SIZE];
148 156
149 struct list_head free_reqs; 157 struct list_head free_reqs;
150 struct list_head req_queue; 158 struct list_head req_queue;
151 struct srp_request req_ring[SRP_SQ_SIZE]; 159 struct srp_request req_ring[SRP_CMD_SQ_SIZE];
152 160
153 struct work_struct work; 161 struct work_struct work;
154 162
@@ -164,6 +172,7 @@ struct srp_iu {
164 void *buf; 172 void *buf;
165 size_t size; 173 size_t size;
166 enum dma_data_direction direction; 174 enum dma_data_direction direction;
175 enum srp_iu_type type;
167}; 176};
168 177
169#endif /* IB_SRP_H */ 178#endif /* IB_SRP_H */
diff --git a/drivers/net/mlx4/main.c b/drivers/net/mlx4/main.c
index 5102ab1ac561..4f6a8597042a 100644
--- a/drivers/net/mlx4/main.c
+++ b/drivers/net/mlx4/main.c
@@ -103,7 +103,7 @@ MODULE_PARM_DESC(use_prio, "Enable steering by VLAN priority on ETH ports "
103 103
104static int log_mtts_per_seg = ilog2(MLX4_MTT_ENTRY_PER_SEG); 104static int log_mtts_per_seg = ilog2(MLX4_MTT_ENTRY_PER_SEG);
105module_param_named(log_mtts_per_seg, log_mtts_per_seg, int, 0444); 105module_param_named(log_mtts_per_seg, log_mtts_per_seg, int, 0444);
106MODULE_PARM_DESC(log_mtts_per_seg, "Log2 number of MTT entries per segment (1-5)"); 106MODULE_PARM_DESC(log_mtts_per_seg, "Log2 number of MTT entries per segment (1-7)");
107 107
108int mlx4_check_port_params(struct mlx4_dev *dev, 108int mlx4_check_port_params(struct mlx4_dev *dev,
109 enum mlx4_port_type *port_type) 109 enum mlx4_port_type *port_type)
@@ -1304,7 +1304,7 @@ static int __init mlx4_verify_params(void)
1304 return -1; 1304 return -1;
1305 } 1305 }
1306 1306
1307 if ((log_mtts_per_seg < 1) || (log_mtts_per_seg > 5)) { 1307 if ((log_mtts_per_seg < 1) || (log_mtts_per_seg > 7)) {
1308 pr_warning("mlx4_core: bad log_mtts_per_seg: %d\n", log_mtts_per_seg); 1308 pr_warning("mlx4_core: bad log_mtts_per_seg: %d\n", log_mtts_per_seg);
1309 return -1; 1309 return -1;
1310 } 1310 }
diff --git a/include/linux/mlx4/cmd.h b/include/linux/mlx4/cmd.h
index 22bd8d3b84a2..ddbe81261d5d 100644
--- a/include/linux/mlx4/cmd.h
+++ b/include/linux/mlx4/cmd.h
@@ -57,6 +57,7 @@ enum {
57 MLX4_CMD_QUERY_PORT = 0x43, 57 MLX4_CMD_QUERY_PORT = 0x43,
58 MLX4_CMD_SENSE_PORT = 0x4d, 58 MLX4_CMD_SENSE_PORT = 0x4d,
59 MLX4_CMD_SET_PORT = 0xc, 59 MLX4_CMD_SET_PORT = 0xc,
60 MLX4_CMD_SET_NODE = 0x5a,
60 MLX4_CMD_ACCESS_DDR = 0x2e, 61 MLX4_CMD_ACCESS_DDR = 0x2e,
61 MLX4_CMD_MAP_ICM = 0xffa, 62 MLX4_CMD_MAP_ICM = 0xffa,
62 MLX4_CMD_UNMAP_ICM = 0xff9, 63 MLX4_CMD_UNMAP_ICM = 0xff9,
diff --git a/include/linux/mlx4/device.h b/include/linux/mlx4/device.h
index ff9893a33e90..897ec71a0ca5 100644
--- a/include/linux/mlx4/device.h
+++ b/include/linux/mlx4/device.h
@@ -172,6 +172,10 @@ enum {
172 MLX4_NUM_FEXCH = 64 * 1024, 172 MLX4_NUM_FEXCH = 64 * 1024,
173}; 173};
174 174
175enum {
176 MLX4_MAX_FAST_REG_PAGES = 511,
177};
178
175static inline u64 mlx4_fw_ver(u64 major, u64 minor, u64 subminor) 179static inline u64 mlx4_fw_ver(u64 major, u64 minor, u64 subminor)
176{ 180{
177 return (major << 32) | (minor << 16) | subminor; 181 return (major << 32) | (minor << 16) | subminor;
diff --git a/include/scsi/srp.h b/include/scsi/srp.h
index ad178fa78f66..1ae84db4c9fb 100644
--- a/include/scsi/srp.h
+++ b/include/scsi/srp.h
@@ -239,4 +239,42 @@ struct srp_rsp {
239 u8 data[0]; 239 u8 data[0];
240} __attribute__((packed)); 240} __attribute__((packed));
241 241
242struct srp_cred_req {
243 u8 opcode;
244 u8 sol_not;
245 u8 reserved[2];
246 __be32 req_lim_delta;
247 u64 tag;
248};
249
250struct srp_cred_rsp {
251 u8 opcode;
252 u8 reserved[7];
253 u64 tag;
254};
255
256/*
257 * The SRP spec defines the fixed portion of the AER_REQ structure to be
258 * 36 bytes, so it needs to be packed to avoid having it padded to 40 bytes
259 * on 64-bit architectures.
260 */
261struct srp_aer_req {
262 u8 opcode;
263 u8 sol_not;
264 u8 reserved[2];
265 __be32 req_lim_delta;
266 u64 tag;
267 u32 reserved2;
268 __be64 lun;
269 __be32 sense_data_len;
270 u32 reserved3;
271 u8 sense_data[0];
272} __attribute__((packed));
273
274struct srp_aer_rsp {
275 u8 opcode;
276 u8 reserved[7];
277 u64 tag;
278};
279
242#endif /* SCSI_SRP_H */ 280#endif /* SCSI_SRP_H */
generated by cgit v1.2.2 (git 2.25.0) at 2025-01-15 05:24:48 -0500