aboutsummaryrefslogtreecommitdiff
path: root/drivers/infiniband/hw
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@woody.linux-foundation.org>2007-05-07 12:18:21 -0700
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-05-07 12:18:21 -0700
commit972d45fb43f0f0793fa275c4a22998106760cd61 (patch)
treef80ac6698044b179bf3fb9d686bd33083033ccb5 /drivers/infiniband/hw
parent5b6b54982258c330247957a8d877b9851ac69d53 (diff)
parent8d1cc86a6278687efbab7b8c294ab01efe4d4231 (diff)
Merge branch 'for-linus' of master.kernel.org:/pub/scm/linux/kernel/git/roland/infiniband
* 'for-linus' of master.kernel.org:/pub/scm/linux/kernel/git/roland/infiniband: IPoIB: Convert to NAPI IB: Return "maybe missed event" hint from ib_req_notify_cq() IB: Add CQ comp_vector support IB/ipath: Fix a race condition when generating ACKs IB/ipath: Fix two more spin lock problems IB/fmr_pool: Add prefix to all printks IB/srp: Set proc_name IB/srp: Add orig_dgid sysfs attribute to scsi_host IPoIB/cm: Don't crash if remote side uses one QP for both directions RDMA/cxgb3: Support for new abort logic RDMA/cxgb3: Initialize cpu_idx field in cpl_close_listserv_req message RDMA/cxgb3: Fail qp creation if the requested max_inline is too large RDMA/cxgb3: Fix TERM codes IPoIB/cm: Fix error handling in ipoib_cm_dev_open() IB/ipath: Don't corrupt pending mmap list when unmapped objects are freed IB/mthca: Work around kernel QP starvation IB/ipath: Don't put QP in timeout queue if waiting to send IB/ipath: Don't call spin_lock_irq() from interrupt context
Diffstat (limited to 'drivers/infiniband/hw')
-rw-r--r--drivers/infiniband/hw/amso1100/c2.h2
-rw-r--r--drivers/infiniband/hw/amso1100/c2_cq.c16
-rw-r--r--drivers/infiniband/hw/amso1100/c2_provider.c3
-rw-r--r--drivers/infiniband/hw/cxgb3/cxio_hal.c3
-rw-r--r--drivers/infiniband/hw/cxgb3/cxio_wr.h1
-rw-r--r--drivers/infiniband/hw/cxgb3/iwch_cm.c19
-rw-r--r--drivers/infiniband/hw/cxgb3/iwch_cm.h6
-rw-r--r--drivers/infiniband/hw/cxgb3/iwch_provider.c14
-rw-r--r--drivers/infiniband/hw/cxgb3/iwch_qp.c69
-rw-r--r--drivers/infiniband/hw/ehca/ehca_cq.c2
-rw-r--r--drivers/infiniband/hw/ehca/ehca_iverbs.h4
-rw-r--r--drivers/infiniband/hw/ehca/ehca_main.c3
-rw-r--r--drivers/infiniband/hw/ehca/ehca_reqs.c14
-rw-r--r--drivers/infiniband/hw/ehca/ipz_pt_fn.h8
-rw-r--r--drivers/infiniband/hw/ipath/ipath_cq.c68
-rw-r--r--drivers/infiniband/hw/ipath/ipath_mmap.c64
-rw-r--r--drivers/infiniband/hw/ipath/ipath_qp.c52
-rw-r--r--drivers/infiniband/hw/ipath/ipath_rc.c55
-rw-r--r--drivers/infiniband/hw/ipath/ipath_srq.c55
-rw-r--r--drivers/infiniband/hw/ipath/ipath_verbs.c4
-rw-r--r--drivers/infiniband/hw/ipath/ipath_verbs.h24
-rw-r--r--drivers/infiniband/hw/mthca/mthca_cq.c12
-rw-r--r--drivers/infiniband/hw/mthca/mthca_dev.h4
-rw-r--r--drivers/infiniband/hw/mthca/mthca_provider.c2
-rw-r--r--drivers/infiniband/hw/mthca/mthca_qp.c13
25 files changed, 337 insertions, 180 deletions
diff --git a/drivers/infiniband/hw/amso1100/c2.h b/drivers/infiniband/hw/amso1100/c2.h
index 04a9db5de88..fa58200217a 100644
--- a/drivers/infiniband/hw/amso1100/c2.h
+++ b/drivers/infiniband/hw/amso1100/c2.h
@@ -519,7 +519,7 @@ extern void c2_free_cq(struct c2_dev *c2dev, struct c2_cq *cq);
extern void c2_cq_event(struct c2_dev *c2dev, u32 mq_index);
extern void c2_cq_clean(struct c2_dev *c2dev, struct c2_qp *qp, u32 mq_index);
extern int c2_poll_cq(struct ib_cq *ibcq, int num_entries, struct ib_wc *entry);
-extern int c2_arm_cq(struct ib_cq *ibcq, enum ib_cq_notify notify);
+extern int c2_arm_cq(struct ib_cq *ibcq, enum ib_cq_notify_flags flags);
/* CM */
extern int c2_llp_connect(struct iw_cm_id *cm_id,
diff --git a/drivers/infiniband/hw/amso1100/c2_cq.c b/drivers/infiniband/hw/amso1100/c2_cq.c
index 5175c99ee58..d2b3366786d 100644
--- a/drivers/infiniband/hw/amso1100/c2_cq.c
+++ b/drivers/infiniband/hw/amso1100/c2_cq.c
@@ -217,17 +217,19 @@ int c2_poll_cq(struct ib_cq *ibcq, int num_entries, struct ib_wc *entry)
return npolled;
}
-int c2_arm_cq(struct ib_cq *ibcq, enum ib_cq_notify notify)
+int c2_arm_cq(struct ib_cq *ibcq, enum ib_cq_notify_flags notify_flags)
{
struct c2_mq_shared __iomem *shared;
struct c2_cq *cq;
+ unsigned long flags;
+ int ret = 0;
cq = to_c2cq(ibcq);
shared = cq->mq.peer;
- if (notify == IB_CQ_NEXT_COMP)
+ if ((notify_flags & IB_CQ_SOLICITED_MASK) == IB_CQ_NEXT_COMP)
writeb(C2_CQ_NOTIFICATION_TYPE_NEXT, &shared->notification_type);
- else if (notify == IB_CQ_SOLICITED)
+ else if ((notify_flags & IB_CQ_SOLICITED_MASK) == IB_CQ_SOLICITED)
writeb(C2_CQ_NOTIFICATION_TYPE_NEXT_SE, &shared->notification_type);
else
return -EINVAL;
@@ -241,7 +243,13 @@ int c2_arm_cq(struct ib_cq *ibcq, enum ib_cq_notify notify)
*/
readb(&shared->armed);
- return 0;
+ if (notify_flags & IB_CQ_REPORT_MISSED_EVENTS) {
+ spin_lock_irqsave(&cq->lock, flags);
+ ret = !c2_mq_empty(&cq->mq);
+ spin_unlock_irqrestore(&cq->lock, flags);
+ }
+
+ return ret;
}
static void c2_free_cq_buf(struct c2_dev *c2dev, struct c2_mq *mq)
diff --git a/drivers/infiniband/hw/amso1100/c2_provider.c b/drivers/infiniband/hw/amso1100/c2_provider.c
index 607c09bf764..109166223c0 100644
--- a/drivers/infiniband/hw/amso1100/c2_provider.c
+++ b/drivers/infiniband/hw/amso1100/c2_provider.c
@@ -290,7 +290,7 @@ static int c2_destroy_qp(struct ib_qp *ib_qp)
return 0;
}
-static struct ib_cq *c2_create_cq(struct ib_device *ibdev, int entries,
+static struct ib_cq *c2_create_cq(struct ib_device *ibdev, int entries, int vector,
struct ib_ucontext *context,
struct ib_udata *udata)
{
@@ -795,6 +795,7 @@ int c2_register_device(struct c2_dev *dev)
memset(&dev->ibdev.node_guid, 0, sizeof(dev->ibdev.node_guid));
memcpy(&dev->ibdev.node_guid, dev->pseudo_netdev->dev_addr, 6);
dev->ibdev.phys_port_cnt = 1;
+ dev->ibdev.num_comp_vectors = 1;
dev->ibdev.dma_device = &dev->pcidev->dev;
dev->ibdev.query_device = c2_query_device;
dev->ibdev.query_port = c2_query_port;
diff --git a/drivers/infiniband/hw/cxgb3/cxio_hal.c b/drivers/infiniband/hw/cxgb3/cxio_hal.c
index f5e9aeec6f6..76049afc765 100644
--- a/drivers/infiniband/hw/cxgb3/cxio_hal.c
+++ b/drivers/infiniband/hw/cxgb3/cxio_hal.c
@@ -114,7 +114,10 @@ int cxio_hal_cq_op(struct cxio_rdev *rdev_p, struct t3_cq *cq,
return -EIO;
}
}
+
+ return 1;
}
+
return 0;
}
diff --git a/drivers/infiniband/hw/cxgb3/cxio_wr.h b/drivers/infiniband/hw/cxgb3/cxio_wr.h
index 90d7b8972cb..ff7290eacef 100644
--- a/drivers/infiniband/hw/cxgb3/cxio_wr.h
+++ b/drivers/infiniband/hw/cxgb3/cxio_wr.h
@@ -38,6 +38,7 @@
#include "firmware_exports.h"
#define T3_MAX_SGE 4
+#define T3_MAX_INLINE 64
#define Q_EMPTY(rptr,wptr) ((rptr)==(wptr))
#define Q_FULL(rptr,wptr,size_log2) ( (((wptr)-(rptr))>>(size_log2)) && \
diff --git a/drivers/infiniband/hw/cxgb3/iwch_cm.c b/drivers/infiniband/hw/cxgb3/iwch_cm.c
index 3b4b0acd707..b2faff5abce 100644
--- a/drivers/infiniband/hw/cxgb3/iwch_cm.c
+++ b/drivers/infiniband/hw/cxgb3/iwch_cm.c
@@ -1109,6 +1109,15 @@ static int abort_rpl(struct t3cdev *tdev, struct sk_buff *skb, void *ctx)
PDBG("%s ep %p\n", __FUNCTION__, ep);
+ /*
+ * We get 2 abort replies from the HW. The first one must
+ * be ignored except for scribbling that we need one more.
+ */
+ if (!(ep->flags & ABORT_REQ_IN_PROGRESS)) {
+ ep->flags |= ABORT_REQ_IN_PROGRESS;
+ return CPL_RET_BUF_DONE;
+ }
+
close_complete_upcall(ep);
state_set(&ep->com, DEAD);
release_ep_resources(ep);
@@ -1189,6 +1198,7 @@ static int listen_stop(struct iwch_listen_ep *ep)
}
req = (struct cpl_close_listserv_req *) skb_put(skb, sizeof(*req));
req->wr.wr_hi = htonl(V_WR_OP(FW_WROPCODE_FORWARD));
+ req->cpu_idx = 0;
OPCODE_TID(req) = htonl(MK_OPCODE_TID(CPL_CLOSE_LISTSRV_REQ, ep->stid));
skb->priority = 1;
ep->com.tdev->send(ep->com.tdev, skb);
@@ -1475,6 +1485,15 @@ static int peer_abort(struct t3cdev *tdev, struct sk_buff *skb, void *ctx)
int ret;
int state;
+ /*
+ * We get 2 peer aborts from the HW. The first one must
+ * be ignored except for scribbling that we need one more.
+ */
+ if (!(ep->flags & PEER_ABORT_IN_PROGRESS)) {
+ ep->flags |= PEER_ABORT_IN_PROGRESS;
+ return CPL_RET_BUF_DONE;
+ }
+
if (is_neg_adv_abort(req->status)) {
PDBG("%s neg_adv_abort ep %p tid %d\n", __FUNCTION__, ep,
ep->hwtid);
diff --git a/drivers/infiniband/hw/cxgb3/iwch_cm.h b/drivers/infiniband/hw/cxgb3/iwch_cm.h
index 0c6f281bd4a..21a388c313c 100644
--- a/drivers/infiniband/hw/cxgb3/iwch_cm.h
+++ b/drivers/infiniband/hw/cxgb3/iwch_cm.h
@@ -143,6 +143,11 @@ enum iwch_ep_state {
DEAD,
};
+enum iwch_ep_flags {
+ PEER_ABORT_IN_PROGRESS = (1 << 0),
+ ABORT_REQ_IN_PROGRESS = (1 << 1),
+};
+
struct iwch_ep_common {
struct iw_cm_id *cm_id;
struct iwch_qp *qp;
@@ -181,6 +186,7 @@ struct iwch_ep {
u16 plen;
u32 ird;
u32 ord;
+ u32 flags;
};
static inline struct iwch_ep *to_ep(struct iw_cm_id *cm_id)
diff --git a/drivers/infiniband/hw/cxgb3/iwch_provider.c b/drivers/infiniband/hw/cxgb3/iwch_provider.c
index af28a317016..a891493fd34 100644
--- a/drivers/infiniband/hw/cxgb3/iwch_provider.c
+++ b/drivers/infiniband/hw/cxgb3/iwch_provider.c
@@ -139,7 +139,7 @@ static int iwch_destroy_cq(struct ib_cq *ib_cq)
return 0;
}
-static struct ib_cq *iwch_create_cq(struct ib_device *ibdev, int entries,
+static struct ib_cq *iwch_create_cq(struct ib_device *ibdev, int entries, int vector,
struct ib_ucontext *ib_context,
struct ib_udata *udata)
{
@@ -292,7 +292,7 @@ static int iwch_resize_cq(struct ib_cq *cq, int cqe, struct ib_udata *udata)
#endif
}
-static int iwch_arm_cq(struct ib_cq *ibcq, enum ib_cq_notify notify)
+static int iwch_arm_cq(struct ib_cq *ibcq, enum ib_cq_notify_flags flags)
{
struct iwch_dev *rhp;
struct iwch_cq *chp;
@@ -303,7 +303,7 @@ static int iwch_arm_cq(struct ib_cq *ibcq, enum ib_cq_notify notify)
chp = to_iwch_cq(ibcq);
rhp = chp->rhp;
- if (notify == IB_CQ_SOLICITED)
+ if ((flags & IB_CQ_SOLICITED_MASK) == IB_CQ_SOLICITED)
cq_op = CQ_ARM_SE;
else
cq_op = CQ_ARM_AN;
@@ -317,9 +317,11 @@ static int iwch_arm_cq(struct ib_cq *ibcq, enum ib_cq_notify notify)
PDBG("%s rptr 0x%x\n", __FUNCTION__, chp->cq.rptr);
err = cxio_hal_cq_op(&rhp->rdev, &chp->cq, cq_op, 0);
spin_unlock_irqrestore(&chp->lock, flag);
- if (err)
+ if (err < 0)
printk(KERN_ERR MOD "Error %d rearming CQID 0x%x\n", err,
chp->cq.cqid);
+ if (err > 0 && !(flags & IB_CQ_REPORT_MISSED_EVENTS))
+ err = 0;
return err;
}
@@ -780,6 +782,9 @@ static struct ib_qp *iwch_create_qp(struct ib_pd *pd,
if (rqsize > T3_MAX_RQ_SIZE)
return ERR_PTR(-EINVAL);
+ if (attrs->cap.max_inline_data > T3_MAX_INLINE)
+ return ERR_PTR(-EINVAL);
+
/*
* NOTE: The SQ and total WQ sizes don't need to be
* a power of two. However, all the code assumes
@@ -1107,6 +1112,7 @@ int iwch_register_device(struct iwch_dev *dev)
dev->ibdev.node_type = RDMA_NODE_RNIC;
memcpy(dev->ibdev.node_desc, IWCH_NODE_DESC, sizeof(IWCH_NODE_DESC));
dev->ibdev.phys_port_cnt = dev->rdev.port_info.nports;
+ dev->ibdev.num_comp_vectors = 1;
dev->ibdev.dma_device = &(dev->rdev.rnic_info.pdev->dev);
dev->ibdev.query_device = iwch_query_device;
dev->ibdev.query_port = iwch_query_port;
diff --git a/drivers/infiniband/hw/cxgb3/iwch_qp.c b/drivers/infiniband/hw/cxgb3/iwch_qp.c
index 0a472c9b44d..714dddbc9a9 100644
--- a/drivers/infiniband/hw/cxgb3/iwch_qp.c
+++ b/drivers/infiniband/hw/cxgb3/iwch_qp.c
@@ -471,43 +471,62 @@ int iwch_bind_mw(struct ib_qp *qp,
return err;
}
-static void build_term_codes(int t3err, u8 *layer_type, u8 *ecode, int tagged)
+static inline void build_term_codes(struct respQ_msg_t *rsp_msg,
+ u8 *layer_type, u8 *ecode)
{
- switch (t3err) {
+ int status = TPT_ERR_INTERNAL_ERR;
+ int tagged = 0;
+ int opcode = -1;
+ int rqtype = 0;
+ int send_inv = 0;
+
+ if (rsp_msg) {
+ status = CQE_STATUS(rsp_msg->cqe);
+ opcode = CQE_OPCODE(rsp_msg->cqe);
+ rqtype = RQ_TYPE(rsp_msg->cqe);
+ send_inv = (opcode == T3_SEND_WITH_INV) ||
+ (opcode == T3_SEND_WITH_SE_INV);
+ tagged = (opcode == T3_RDMA_WRITE) ||
+ (rqtype && (opcode == T3_READ_RESP));
+ }
+
+ switch (status) {
case TPT_ERR_STAG:
- if (tagged == 1) {
- *layer_type = LAYER_DDP|DDP_TAGGED_ERR;
- *ecode = DDPT_INV_STAG;
- } else if (tagged == 2) {
+ if (send_inv) {
+ *layer_type = LAYER_RDMAP|RDMAP_REMOTE_OP;
+ *ecode = RDMAP_CANT_INV_STAG;
+ } else {
*layer_type = LAYER_RDMAP|RDMAP_REMOTE_PROT;
*ecode = RDMAP_INV_STAG;
}
break;
case TPT_ERR_PDID:
+ *layer_type = LAYER_RDMAP|RDMAP_REMOTE_PROT;
+ if ((opcode == T3_SEND_WITH_INV) ||
+ (opcode == T3_SEND_WITH_SE_INV))
+ *ecode = RDMAP_CANT_INV_STAG;
+ else
+ *ecode = RDMAP_STAG_NOT_ASSOC;
+ break;
case TPT_ERR_QPID:
+ *layer_type = LAYER_RDMAP|RDMAP_REMOTE_PROT;
+ *ecode = RDMAP_STAG_NOT_ASSOC;
+ break;
case TPT_ERR_ACCESS:
- if (tagged == 1) {
- *layer_type = LAYER_DDP|DDP_TAGGED_ERR;
- *ecode = DDPT_STAG_NOT_ASSOC;
- } else if (tagged == 2) {
- *layer_type = LAYER_RDMAP|RDMAP_REMOTE_PROT;
- *ecode = RDMAP_STAG_NOT_ASSOC;
- }
+ *layer_type = LAYER_RDMAP|RDMAP_REMOTE_PROT;
+ *ecode = RDMAP_ACC_VIOL;
break;
case TPT_ERR_WRAP:
*layer_type = LAYER_RDMAP|RDMAP_REMOTE_PROT;
*ecode = RDMAP_TO_WRAP;
break;
case TPT_ERR_BOUND:
- if (tagged == 1) {
+ if (tagged) {
*layer_type = LAYER_DDP|DDP_TAGGED_ERR;
*ecode = DDPT_BASE_BOUNDS;
- } else if (tagged == 2) {
+ } else {
*layer_type = LAYER_RDMAP|RDMAP_REMOTE_PROT;
*ecode = RDMAP_BASE_BOUNDS;
- } else {
- *layer_type = LAYER_DDP|DDP_UNTAGGED_ERR;
- *ecode = DDPU_MSG_TOOBIG;
}
break;
case TPT_ERR_INVALIDATE_SHARED_MR:
@@ -591,8 +610,6 @@ int iwch_post_terminate(struct iwch_qp *qhp, struct respQ_msg_t *rsp_msg)
{
union t3_wr *wqe;
struct terminate_message *term;
- int status;
- int tagged = 0;
struct sk_buff *skb;
PDBG("%s %d\n", __FUNCTION__, __LINE__);
@@ -610,17 +627,7 @@ int iwch_post_terminate(struct iwch_qp *qhp, struct respQ_msg_t *rsp_msg)
/* immediate data starts here. */
term = (struct terminate_message *)wqe->send.sgl;
- if (rsp_msg) {
- status = CQE_STATUS(rsp_msg->cqe);
- if (CQE_OPCODE(rsp_msg->cqe) == T3_RDMA_WRITE)
- tagged = 1;
- if ((CQE_OPCODE(rsp_msg->cqe) == T3_READ_REQ) ||
- (CQE_OPCODE(rsp_msg->cqe) == T3_READ_RESP))
- tagged = 2;
- } else {
- status = TPT_ERR_INTERNAL_ERR;
- }
- build_term_codes(status, &term->layer_etype, &term->ecode, tagged);
+ build_term_codes(rsp_msg, &term->layer_etype, &term->ecode);
build_fw_riwrh((void *)wqe, T3_WR_SEND,
T3_COMPLETION_FLAG | T3_NOTIFY_FLAG, 1,
qhp->ep->hwtid, 5);
diff --git a/drivers/infiniband/hw/ehca/ehca_cq.c b/drivers/infiniband/hw/ehca/ehca_cq.c
index e2cdc1a16fe..67f0670fe3b 100644
--- a/drivers/infiniband/hw/ehca/ehca_cq.c
+++ b/drivers/infiniband/hw/ehca/ehca_cq.c
@@ -113,7 +113,7 @@ struct ehca_qp* ehca_cq_get_qp(struct ehca_cq *cq, int real_qp_num)
return ret;
}
-struct ib_cq *ehca_create_cq(struct ib_device *device, int cqe,
+struct ib_cq *ehca_create_cq(struct ib_device *device, int cqe, int comp_vector,
struct ib_ucontext *context,
struct ib_udata *udata)
{
diff --git a/drivers/infiniband/hw/ehca/ehca_iverbs.h b/drivers/infiniband/hw/ehca/ehca_iverbs.h
index 95fd59fb452..e14b029332c 100644
--- a/drivers/infiniband/hw/ehca/ehca_iverbs.h
+++ b/drivers/infiniband/hw/ehca/ehca_iverbs.h
@@ -123,7 +123,7 @@ int ehca_destroy_eq(struct ehca_shca *shca, struct ehca_eq *eq);
void *ehca_poll_eq(struct ehca_shca *shca, struct ehca_eq *eq);
-struct ib_cq *ehca_create_cq(struct ib_device *device, int cqe,
+struct ib_cq *ehca_create_cq(struct ib_device *device, int cqe, int comp_vector,
struct ib_ucontext *context,
struct ib_udata *udata);
@@ -135,7 +135,7 @@ int ehca_poll_cq(struct ib_cq *cq, int num_entries, struct ib_wc *wc);
int ehca_peek_cq(struct ib_cq *cq, int wc_cnt);
-int ehca_req_notify_cq(struct ib_cq *cq, enum ib_cq_notify cq_notify);
+int ehca_req_notify_cq(struct ib_cq *cq, enum ib_cq_notify_flags notify_flags);
struct ib_qp *ehca_create_qp(struct ib_pd *pd,
struct ib_qp_init_attr *init_attr,
diff --git a/drivers/infiniband/hw/ehca/ehca_main.c b/drivers/infiniband/hw/ehca/ehca_main.c
index 4700085ba83..2d370543e96 100644
--- a/drivers/infiniband/hw/ehca/ehca_main.c
+++ b/drivers/infiniband/hw/ehca/ehca_main.c
@@ -313,6 +313,7 @@ int ehca_init_device(struct ehca_shca *shca)
shca->ib_device.node_type = RDMA_NODE_IB_CA;
shca->ib_device.phys_port_cnt = shca->num_ports;
+ shca->ib_device.num_comp_vectors = 1;
shca->ib_device.dma_device = &shca->ibmebus_dev->ofdev.dev;
shca->ib_device.query_device = ehca_query_device;
shca->ib_device.query_port = ehca_query_port;
@@ -375,7 +376,7 @@ static int ehca_create_aqp1(struct ehca_shca *shca, u32 port)
return -EPERM;
}
- ibcq = ib_create_cq(&shca->ib_device, NULL, NULL, (void*)(-1), 10);
+ ibcq = ib_create_cq(&shca->ib_device, NULL, NULL, (void*)(-1), 10, 0);
if (IS_ERR(ibcq)) {
ehca_err(&shca->ib_device, "Cannot create AQP1 CQ.");
return PTR_ERR(ibcq);
diff --git a/drivers/infiniband/hw/ehca/ehca_reqs.c b/drivers/infiniband/hw/ehca/ehca_reqs.c
index 08d3f892d9f..caec9dee09e 100644
--- a/drivers/infiniband/hw/ehca/ehca_reqs.c
+++ b/drivers/infiniband/hw/ehca/ehca_reqs.c
@@ -634,11 +634,13 @@ poll_cq_exit0:
return ret;
}
-int ehca_req_notify_cq(struct ib_cq *cq, enum ib_cq_notify cq_notify)
+int ehca_req_notify_cq(struct ib_cq *cq, enum ib_cq_notify_flags notify_flags)
{
struct ehca_cq *my_cq = container_of(cq, struct ehca_cq, ib_cq);
+ unsigned long spl_flags;
+ int ret = 0;
- switch (cq_notify) {
+ switch (notify_flags & IB_CQ_SOLICITED_MASK) {
case IB_CQ_SOLICITED:
hipz_set_cqx_n0(my_cq, 1);
break;
@@ -649,5 +651,11 @@ int ehca_req_notify_cq(struct ib_cq *cq, enum ib_cq_notify cq_notify)
return -EINVAL;
}
- return 0;
+ if (notify_flags & IB_CQ_REPORT_MISSED_EVENTS) {
+ spin_lock_irqsave(&my_cq->spinlock, spl_flags);
+ ret = ipz_qeit_is_valid(&my_cq->ipz_queue);
+ spin_unlock_irqrestore(&my_cq->spinlock, spl_flags);
+ }
+
+ return ret;
}
diff --git a/drivers/infiniband/hw/ehca/ipz_pt_fn.h b/drivers/infiniband/hw/ehca/ipz_pt_fn.h
index 8199c45768a..57f141a36bc 100644
--- a/drivers/infiniband/hw/ehca/ipz_pt_fn.h
+++ b/drivers/infiniband/hw/ehca/ipz_pt_fn.h
@@ -140,6 +140,14 @@ static inline void *ipz_qeit_get_inc_valid(struct ipz_queue *queue)
return cqe;
}
+static inline int ipz_qeit_is_valid(struct ipz_queue *queue)
+{
+ struct ehca_cqe *cqe = ipz_qeit_get(queue);
+ u32 cqe_flags = cqe->cqe_flags;
+
+ return cqe_flags >> 7 == (queue->toggle_state & 1);
+}
+
/*
* returns and resets Queue Entry iterator
* returns address (kv) of first Queue Entry
diff --git a/drivers/infiniband/hw/ipath/ipath_cq.c b/drivers/infiniband/hw/ipath/ipath_cq.c
index ea78e6dddc9..3e9241badba 100644
--- a/drivers/infiniband/hw/ipath/ipath_cq.c
+++ b/drivers/infiniband/hw/ipath/ipath_cq.c
@@ -204,7 +204,7 @@ static void send_complete(unsigned long data)
*
* Called by ib_create_cq() in the generic verbs code.
*/
-struct ib_cq *ipath_create_cq(struct ib_device *ibdev, int entries,
+struct ib_cq *ipath_create_cq(struct ib_device *ibdev, int entries, int comp_vector,
struct ib_ucontext *context,
struct ib_udata *udata)
{
@@ -243,33 +243,21 @@ struct ib_cq *ipath_create_cq(struct ib_device *ibdev, int entries,
* See ipath_mmap() for details.
*/
if (udata && udata->outlen >= sizeof(__u64)) {
- struct ipath_mmap_info *ip;
- __u64 offset = (__u64) wc;
int err;
+ u32 s = sizeof *wc + sizeof(struct ib_wc) * entries;
- err = ib_copy_to_udata(udata, &offset, sizeof(offset));
- if (err) {
- ret = ERR_PTR(err);
+ cq->ip = ipath_create_mmap_info(dev, s, context, wc);
+ if (!cq->ip) {
+ ret = ERR_PTR(-ENOMEM);
goto bail_wc;
}
- /* Allocate info for ipath_mmap(). */
- ip = kmalloc(sizeof(*ip), GFP_KERNEL);
- if (!ip) {
- ret = ERR_PTR(-ENOMEM);
- goto bail_wc;
+ err = ib_copy_to_udata(udata, &cq->ip->offset,
+ sizeof(cq->ip->offset));
+ if (err) {
+ ret = ERR_PTR(err);
+ goto bail_ip;
}
- cq->ip = ip;
- ip->context = context;
- ip->obj = wc;
- kref_init(&ip->ref);
- ip->mmap_cnt = 0;
- ip->size = PAGE_ALIGN(sizeof(*wc) +
- sizeof(struct ib_wc) * entries);
- spin_lock_irq(&dev->pending_lock);
- ip->next = dev->pending_mmaps;
- dev->pending_mmaps = ip;
- spin_unlock_irq(&dev->pending_lock);
} else
cq->ip = NULL;
@@ -277,12 +265,18 @@ struct ib_cq *ipath_create_cq(struct ib_device *ibdev, int entries,
if (dev->n_cqs_allocated == ib_ipath_max_cqs) {
spin_unlock(&dev->n_cqs_lock);
ret = ERR_PTR(-ENOMEM);
- goto bail_wc;
+ goto bail_ip;
}
dev->n_cqs_allocated++;
spin_unlock(&dev->n_cqs_lock);
+ if (cq->ip) {
+ spin_lock_irq(&dev->pending_lock);
+ list_add(&cq->ip->pending_mmaps, &dev->pending_mmaps);
+ spin_unlock_irq(&dev->pending_lock);
+ }
+
/*
* ib_create_cq() will initialize cq->ibcq except for cq->ibcq.cqe.
* The number of entries should be >= the number requested or return
@@ -301,12 +295,12 @@ struct ib_cq *ipath_create_cq(struct ib_device *ibdev, int entries,
goto done;
+bail_ip:
+ kfree(cq->ip);
bail_wc:
vfree(wc);
-
bail_cq:
kfree(cq);
-
done:
return ret;
}
@@ -340,17 +334,18 @@ int ipath_destroy_cq(struct ib_cq *ibcq)
/**
* ipath_req_notify_cq - change the notification type for a completion queue
* @ibcq: the completion queue
- * @notify: the type of notification to request
+ * @notify_flags: the type of notification to request
*
* Returns 0 for success.
*
* This may be called from interrupt context. Also called by
* ib_req_notify_cq() in the generic verbs code.
*/
-int ipath_req_notify_cq(struct ib_cq *ibcq, enum ib_cq_notify notify)
+int ipath_req_notify_cq(struct ib_cq *ibcq, enum ib_cq_notify_flags notify_flags)
{
struct ipath_cq *cq = to_icq(ibcq);
unsigned long flags;
+ int ret = 0;
spin_lock_irqsave(&cq->lock, flags);
/*
@@ -358,9 +353,15 @@ int ipath_req_notify_cq(struct ib_cq *ibcq, enum ib_cq_notify notify)
* any other transitions (see C11-31 and C11-32 in ch. 11.4.2.2).
*/
if (cq->notify != IB_CQ_NEXT_COMP)
- cq->notify = notify;
+ cq->notify = notify_flags & IB_CQ_SOLICITED_MASK;
+
+ if ((notify_flags & IB_CQ_REPORT_MISSED_EVENTS) &&
+ cq->queue->head != cq->queue->tail)
+ ret = 1;
+
spin_unlock_irqrestore(&cq->lock, flags);
- return 0;
+
+ return ret;
}
/**
@@ -443,13 +444,12 @@ int ipath_resize_cq(struct ib_cq *ibcq, int cqe, struct ib_udata *udata)
if (cq->ip) {
struct ipath_ibdev *dev = to_idev(ibcq->device);
struct ipath_mmap_info *ip = cq->ip;
+ u32 s = sizeof *wc + sizeof(struct ib_wc) * cqe;
- ip->obj = wc;
- ip->size = PAGE_ALIGN(sizeof(*wc) +
- sizeof(struct ib_wc) * cqe);
+ ipath_update_mmap_info(dev, ip, s, wc);
spin_lock_irq(&dev->pending_lock);
- ip->next = dev->pending_mmaps;
- dev->pending_mmaps = ip;
+ if (list_empty(&ip->pending_mmaps))
+ list_add(&ip->pending_mmaps, &dev->pending_mmaps);
spin_unlock_irq(&dev->pending_lock);
}
diff --git a/drivers/infiniband/hw/ipath/ipath_mmap.c b/drivers/infiniband/hw/ipath/ipath_mmap.c
index a82157db468..937bc3396b5 100644
--- a/drivers/infiniband/hw/ipath/ipath_mmap.c
+++ b/drivers/infiniband/hw/ipath/ipath_mmap.c
@@ -46,6 +46,11 @@ void ipath_release_mmap_info(struct kref *ref)
{
struct ipath_mmap_info *ip =
container_of(ref, struct ipath_mmap_info, ref);
+ struct ipath_ibdev *dev = to_idev(ip->context->device);
+
+ spin_lock_irq(&dev->pending_lock);
+ list_del(&ip->pending_mmaps);
+ spin_unlock_irq(&dev->pending_lock);
vfree(ip->obj);
kfree(ip);
@@ -60,14 +65,12 @@ static void ipath_vma_open(struct vm_area_struct *vma)
struct ipath_mmap_info *ip = vma->vm_private_data;
kref_get(&ip->ref);
- ip->mmap_cnt++;
}
static void ipath_vma_close(struct vm_area_struct *vma)
{
struct ipath_mmap_info *ip = vma->vm_private_data;
- ip->mmap_cnt--;
kref_put(&ip->ref, ipath_release_mmap_info);
}
@@ -87,7 +90,7 @@ int ipath_mmap(struct ib_ucontext *context, struct vm_area_struct *vma)
struct ipath_ibdev *dev = to_idev(context->device);
unsigned long offset = vma->vm_pgoff << PAGE_SHIFT;
unsigned long size = vma->vm_end - vma->vm_start;
- struct ipath_mmap_info *ip, **pp;
+ struct ipath_mmap_info *ip, *pp;
int ret = -EINVAL;
/*
@@ -96,15 +99,16 @@ int ipath_mmap(struct ib_ucontext *context, struct vm_area_struct *vma)
* CQ, QP, or SRQ is soon followed by a call to mmap().
*/
spin_lock_irq(&dev->pending_lock);
- for (pp = &dev->pending_mmaps; (ip = *pp); pp = &ip->next) {
+ list_for_each_entry_safe(ip, pp, &dev->pending_mmaps,
+ pending_mmaps) {
/* Only the creator is allowed to mmap the object */
- if (context != ip->context || (void *) offset != ip->obj)
+ if (context != ip->context || (__u64) offset != ip->offset)
continue;
/* Don't allow a mmap larger than the object. */
if (size > ip->size)
break;
- *pp = ip->next;
+ list_del_init(&ip->pending_mmaps);
spin_unlock_irq(&dev->pending_lock);
ret = remap_vmalloc_range(vma, ip->obj, 0);
@@ -119,3 +123,51 @@ int ipath_mmap(struct ib_ucontext *context, struct vm_area_struct *vma)
done:
return ret;
}
+
+/*
+ * Allocate information for ipath_mmap
+ */
+struct ipath_mmap_info *ipath_create_mmap_info(struct ipath_ibdev *dev,
+ u32 size,
+ struct ib_ucontext *context,
+ void *obj) {
+ struct ipath_mmap_info *ip;
+
+ ip = kmalloc(sizeof *ip, GFP_KERNEL);
+ if (!ip)
+ goto bail;
+
+ size = PAGE_ALIGN(size);
+
+ spin_lock_irq(&dev->mmap_offset_lock);
+ if (dev->mmap_offset == 0)
+ dev->mmap_offset = PAGE_SIZE;
+ ip->offset = dev->mmap_offset;
+ dev->mmap_offset += size;
+ spin_unlock_irq(&dev->mmap_offset_lock);
+
+ INIT_LIST_HEAD(&ip->pending_mmaps);
+ ip->size = size;
+ ip->context = context;
+ ip->obj = obj;
+ kref_init(&ip->ref);
+
+bail:
+ return ip;
+}
+
+void ipath_update_mmap_info(struct ipath_ibdev *dev,
+ struct ipath_mmap_info *ip,
+ u32 size, void *obj) {
+ size = PAGE_ALIGN(size);
+
+ spin_lock_irq(&dev->mmap_offset_lock);
+ if (dev->mmap_offset == 0)
+ dev->mmap_offset = PAGE_SIZE;
+ ip->offset = dev->mmap_offset;
+ dev->mmap_offset += size;
+ spin_unlock_irq(&dev->mmap_offset_lock);
+
+ ip->size = size;
+ ip->obj = obj;
+}
diff --git a/drivers/infiniband/hw/ipath/ipath_qp.c b/drivers/infiniband/hw/ipath/ipath_qp.c
index 16db9ac0b40..bfef08ecd34 100644
--- a/drivers/infiniband/hw/ipath/ipath_qp.c
+++ b/drivers/infiniband/hw/ipath/ipath_qp.c
@@ -844,34 +844,36 @@ struct ib_qp *ipath_create_qp(struct ib_pd *ibpd,
* See ipath_mmap() for details.
*/
if (udata && udata->outlen >= sizeof(__u64)) {
- struct ipath_mmap_info *ip;
- __u64 offset = (__u64) qp->r_rq.wq;
int err;
- err = ib_copy_to_udata(udata, &offset, sizeof(offset));
- if (err) {
- ret = ERR_PTR(err);
- goto bail_rwq;
- }
+ if (!qp->r_rq.wq) {
+ __u64 offset = 0;
- if (qp->r_rq.wq) {
- /* Allocate info for ipath_mmap(). */
- ip = kmalloc(sizeof(*ip), GFP_KERNEL);
- if (!ip) {
+ err = ib_copy_to_udata(udata, &offset,
+ sizeof(offset));
+ if (err) {
+ ret = ERR_PTR(err);
+ goto bail_rwq;
+ }
+ } else {
+ u32 s = sizeof(struct ipath_rwq) +
+ qp->r_rq.size * sz;
+
+ qp->ip =
+ ipath_create_mmap_info(dev, s,
+ ibpd->uobject->context,
+ qp->r_rq.wq);
+ if (!qp->ip) {
ret = ERR_PTR(-ENOMEM);
goto bail_rwq;
}
- qp->ip = ip;
- ip->context = ibpd->uobject->context;
- ip->obj = qp->r_rq.wq;
- kref_init(&ip->ref);
- ip->mmap_cnt = 0;
- ip->size = PAGE_ALIGN(sizeof(struct ipath_rwq) +
- qp->r_rq.size * sz);
- spin_lock_irq(&dev->pending_lock);
- ip->next = dev->pending_mmaps;
- dev->pending_mmaps = ip;
- spin_unlock_irq(&dev->pending_lock);
+
+ err = ib_copy_to_udata(udata, &(qp->ip->offset),
+ sizeof(qp->ip->offset));
+ if (err) {
+ ret = ERR_PTR(err);
+ goto bail_ip;
+ }
}
}
@@ -885,6 +887,12 @@ struct ib_qp *ipath_create_qp(struct ib_pd *ibpd,
dev->n_qps_allocated++;
spin_unlock(&dev->n_qps_lock);
+ if (qp->ip) {
+ spin_lock_irq(&dev->pending_lock);
+ list_add(&qp->ip->pending_mmaps, &dev->pending_mmaps);
+ spin_unlock_irq(&dev->pending_lock);
+ }
+
ret = &qp->ibqp;
goto bail;
diff --git a/drivers/infiniband/hw/ipath/ipath_rc.c b/drivers/infiniband/hw/ipath/ipath_rc.c
index b4b88d0b53f..1915771fd03 100644
--- a/drivers/infiniband/hw/ipath/ipath_rc.c
+++ b/drivers/infiniband/hw/ipath/ipath_rc.c
@@ -98,13 +98,21 @@ static int ipath_make_rc_ack(struct ipath_qp *qp,
case OP(RDMA_READ_RESPONSE_LAST):
case OP(RDMA_READ_RESPONSE_ONLY):
case OP(ATOMIC_ACKNOWLEDGE):
- qp->s_ack_state = OP(ACKNOWLEDGE);
+ /*
+ * We can increment the tail pointer now that the last
+ * response has been sent instead of only being
+ * constructed.
+ */
+ if (++qp->s_tail_ack_queue > IPATH_MAX_RDMA_ATOMIC)
+ qp->s_tail_ack_queue = 0;
/* FALLTHROUGH */
+ case OP(SEND_ONLY):
case OP(ACKNOWLEDGE):
/* Check for no next entry in the queue. */
if (qp->r_head_ack_queue == qp->s_tail_ack_queue) {
if (qp->s_flags & IPATH_S_ACK_PENDING)
goto normal;
+ qp->s_ack_state = OP(ACKNOWLEDGE);
goto bail;
}
@@ -117,12 +125,8 @@ static int ipath_make_rc_ack(struct ipath_qp *qp,
if (len > pmtu) {
len = pmtu;
qp->s_ack_state = OP(RDMA_READ_RESPONSE_FIRST);
- } else {
+ } else
qp->s_ack_state = OP(RDMA_READ_RESPONSE_ONLY);
- if (++qp->s_tail_ack_queue >
- IPATH_MAX_RDMA_ATOMIC)
- qp->s_tail_ack_queue = 0;
- }
ohdr->u.aeth = ipath_compute_aeth(qp);
hwords++;
qp->s_ack_rdma_psn = e->psn;
@@ -139,8 +143,6 @@ static int ipath_make_rc_ack(struct ipath_qp *qp,
cpu_to_be32(e->atomic_data);
hwords += sizeof(ohdr->u.at) / sizeof(u32);
bth2 = e->psn;
- if (++qp->s_tail_ack_queue > IPATH_MAX_RDMA_ATOMIC)
- qp->s_tail_ack_queue = 0;
}
bth0 = qp->s_ack_state << 24;
break;
@@ -156,8 +158,6 @@ static int ipath_make_rc_ack(struct ipath_qp *qp,
ohdr->u.aeth = ipath_compute_aeth(qp);
hwords++;
qp->s_ack_state = OP(RDMA_READ_RESPONSE_LAST);
- if (++qp->s_tail_ack_queue > IPATH_MAX_RDMA_ATOMIC)
- qp->s_tail_ack_queue = 0;
}
bth0 = qp->s_ack_state << 24;
bth2 = qp->s_ack_rdma_psn++ & IPATH_PSN_MASK;
@@ -171,7 +171,7 @@ static int ipath_make_rc_ack(struct ipath_qp *qp,
* the ACK before setting s_ack_state to ACKNOWLEDGE
* (see above).
*/
- qp->s_ack_state = OP(ATOMIC_ACKNOWLEDGE);
+ qp->s_ack_state = OP(SEND_ONLY);
qp->s_flags &= ~IPATH_S_ACK_PENDING;
qp->s_cur_sge = NULL;
if (qp->s_nak_state)
@@ -223,23 +223,18 @@ int ipath_make_rc_req(struct ipath_qp *qp,
/* Sending responses has higher priority over sending requests. */
if ((qp->r_head_ack_queue != qp->s_tail_ack_queue ||
(qp->s_flags & IPATH_S_ACK_PENDING) ||
- qp->s_ack_state != IB_OPCODE_RC_ACKNOWLEDGE) &&
+ qp->s_ack_state != OP(ACKNOWLEDGE)) &&
ipath_make_rc_ack(qp, ohdr, pmtu, bth0p, bth2p))
goto done;
if (!(ib_ipath_state_ops[qp->state] & IPATH_PROCESS_SEND_OK) ||
- qp->s_rnr_timeout)
+ qp->s_rnr_timeout || qp->s_wait_credit)
goto bail;
/* Limit the number of packets sent without an ACK. */
if (ipath_cmp24(qp->s_psn, qp->s_last_psn + IPATH_PSN_CREDIT) > 0) {
qp->s_wait_credit = 1;
dev->n_rc_stalls++;
- spin_lock(&dev->pending_lock);
- if (list_empty(&qp->timerwait))
- list_add_tail(&qp->timerwait,
- &dev->pending[dev->pending_index]);
- spin_unlock(&dev->pending_lock);
goto bail;
}
@@ -587,9 +582,12 @@ static void send_rc_ack(struct ipath_qp *qp)
u32 hwords;
struct ipath_ib_header hdr;
struct ipath_other_headers *ohdr;
+ unsigned long flags;
/* Don't send ACK or NAK if a RDMA read or atomic is pending. */
- if (qp->r_head_ack_queue != qp->s_tail_ack_queue)
+ if (qp->r_head_ack_queue != qp->s_tail_ack_queue ||
+ (qp->s_flags & IPATH_S_ACK_PENDING) ||
+ qp->s_ack_state != OP(ACKNOWLEDGE))
goto queue_ack;
/* Construct the header. */
@@ -640,11 +638,11 @@ static void send_rc_ack(struct ipath_qp *qp)
dev->n_rc_qacks++;
queue_ack:
- spin_lock_irq(&qp->s_lock);
+ spin_lock_irqsave(&qp->s_lock, flags);
qp->s_flags |= IPATH_S_ACK_PENDING;
qp->s_nak_state = qp->r_nak_state;
qp->s_ack_psn = qp->r_ack_psn;
- spin_unlock_irq(&qp->s_lock);
+ spin_unlock_irqrestore(&qp->s_lock, flags);
/* Call ipath_do_rc_send() in another thread. */
tasklet_hi_schedule(&qp->s_task);
@@ -1261,6 +1259,7 @@ ack_err:
wc.dlid_path_bits = 0;
wc.port_num = 0;
ipath_sqerror_qp(qp, &wc);
+ spin_unlock_irqrestore(&qp->s_lock, flags);
bail:
return;
}
@@ -1294,6 +1293,7 @@ static inline int ipath_rc_rcv_error(struct ipath_ibdev *dev,
struct ipath_ack_entry *e;
u8 i, prev;
int old_req;
+ unsigned long flags;
if (diff > 0) {
/*
@@ -1327,7 +1327,7 @@ static inline int ipath_rc_rcv_error(struct ipath_ibdev *dev,
psn &= IPATH_PSN_MASK;
e = NULL;
old_req = 1;
- spin_lock_irq(&qp->s_lock);
+ spin_lock_irqsave(&qp->s_lock, flags);
for (i = qp->r_head_ack_queue; ; i = prev) {
if (i == qp->s_tail_ack_queue)
old_req = 0;
@@ -1425,7 +1425,7 @@ static inline int ipath_rc_rcv_error(struct ipath_ibdev *dev,
* after all the previous RDMA reads and atomics.
*/
if (i == qp->r_head_ack_queue) {
- spin_unlock_irq(&qp->s_lock);
+ spin_unlock_irqrestore(&qp->s_lock, flags);
qp->r_nak_state = 0;
qp->r_ack_psn = qp->r_psn - 1;
goto send_ack;
@@ -1439,11 +1439,10 @@ static inline int ipath_rc_rcv_error(struct ipath_ibdev *dev,
break;
}
qp->r_nak_state = 0;
- spin_unlock_irq(&qp->s_lock);
tasklet_hi_schedule(&qp->s_task);
unlock_done:
- spin_unlock_irq(&qp->s_lock);
+ spin_unlock_irqrestore(&qp->s_lock, flags);
done:
return 1;
@@ -1453,10 +1452,12 @@ send_ack:
static void ipath_rc_error(struct ipath_qp *qp, enum ib_wc_status err)
{
- spin_lock_irq(&qp->s_lock);
+ unsigned long flags;
+
+ spin_lock_irqsave(&qp->s_lock, flags);
qp->state = IB_QPS_ERR;
ipath_error_qp(qp, err);
- spin_unlock_irq(&qp->s_lock);
+ spin_unlock_irqrestore(&qp->s_lock, flags);
}
/**
diff --git a/drivers/infiniband/hw/ipath/ipath_srq.c b/drivers/infiniband/hw/ipath/ipath_srq.c
index 94033503400..03acae66ba8 100644
--- a/drivers/infiniband/hw/ipath/ipath_srq.c
+++ b/drivers/infiniband/hw/ipath/ipath_srq.c
@@ -139,33 +139,24 @@ struct ib_srq *ipath_create_srq(struct ib_pd *ibpd,
* See ipath_mmap() for details.
*/
if (udata && udata->outlen >= sizeof(__u64)) {
- struct ipath_mmap_info *ip;
- __u64 offset = (__u64) srq->rq.wq;
int err;
+ u32 s = sizeof(struct ipath_rwq) + srq->rq.size * sz;
- err = ib_copy_to_udata(udata, &offset, sizeof(offset));
- if (err) {
- ret = ERR_PTR(err);
+ srq->ip =
+ ipath_create_mmap_info(dev, s,
+ ibpd->uobject->context,
+ srq->rq.wq);
+ if (!srq->ip) {
+ ret = ERR_PTR(-ENOMEM);
goto bail_wq;
}
- /* Allocate info for ipath_mmap(). */
- ip = kmalloc(sizeof(*ip), GFP_KERNEL);
- if (!ip) {
- ret = ERR_PTR(-ENOMEM);
- goto bail_wq;
+ err = ib_copy_to_udata(udata, &srq->ip->offset,
+ sizeof(srq->ip->offset));
+ if (err) {
+ ret = ERR_PTR(err);
+ goto bail_ip;
}
- srq->ip = ip;
- ip->context = ibpd->uobject->context;
- ip->obj = srq->rq.wq;
- kref_init(&ip->ref);
- ip->mmap_cnt = 0;
- ip->size = PAGE_ALIGN(sizeof(struct ipath_rwq) +
- srq->rq.size * sz);
- spin_lock_irq(&dev->pending_lock);
- ip->next = dev->pending_mmaps;
- dev->pending_mmaps = ip;
- spin_unlock_irq(&dev->pending_lock);
} else
srq->ip = NULL;
@@ -181,21 +172,27 @@ struct ib_srq *ipath_create_srq(struct ib_pd *ibpd,
if (dev->n_srqs_allocated == ib_ipath_max_srqs) {
spin_unlock(&dev->n_srqs_lock);
ret = ERR_PTR(-ENOMEM);
- goto bail_wq;
+ goto bail_ip;
}
dev->n_srqs_allocated++;
spin_unlock(&dev->n_srqs_lock);
+ if (srq->ip) {
+ spin_lock_irq(&dev->pending_lock);
+ list_add(&srq->ip->pending_mmaps, &dev->pending_mmaps);
+ spin_unlock_irq(&dev->pending_lock);
+ }
+
ret = &srq->ibsrq;
goto done;
+bail_ip:
+ kfree(srq->ip);
bail_wq:
vfree(srq->rq.wq);
-
bail_srq:
kfree(srq);
-
done:
return ret;
}
@@ -312,13 +309,13 @@ int ipath_modify_srq(struct ib_srq *ibsrq, struct ib_srq_attr *attr,
if (srq->ip) {
struct ipath_mmap_info *ip = srq->ip;
struct ipath_ibdev *dev = to_idev(srq->ibsrq.device);
+ u32 s = sizeof(struct ipath_rwq) + size * sz;
- ip->obj = wq;
- ip->size = PAGE_ALIGN(sizeof(struct ipath_rwq) +
- size * sz);
+ ipath_update_mmap_info(dev, ip, s, wq);
spin_lock_irq(&dev->pending_lock);
- ip->next = dev->pending_mmaps;
- dev->pending_mmaps = ip;
+ if (list_empty(&ip->pending_mmaps))
+ list_add(&ip->pending_mmaps,
+ &dev->pending_mmaps);
spin_unlock_irq(&dev->pending_lock);
}
} else if (attr_mask & IB_SRQ_LIMIT) {
diff --git a/drivers/infiniband/hw/ipath/ipath_verbs.c b/drivers/infiniband/hw/ipath/ipath_verbs.c
index 18c6df2052c..12933e77c7e 100644
--- a/drivers/infiniband/hw/ipath/ipath_verbs.c
+++ b/drivers/infiniband/hw/ipath/ipath_verbs.c
@@ -1476,7 +1476,10 @@ int ipath_register_ib_device(struct ipath_devdata *dd)
ret = -ENOMEM;
goto err_lk;
}
+ INIT_LIST_HEAD(&idev->pending_mmaps);
spin_lock_init(&idev->pending_lock);
+ idev->mmap_offset = PAGE_SIZE;
+ spin_lock_init(&idev->mmap_offset_lock);
INIT_LIST_HEAD(&idev->pending[0]);
INIT_LIST_HEAD(&idev->pending[1]);
INIT_LIST_HEAD(&idev->pending[2]);
@@ -1558,6 +1561,7 @@ int ipath_register_ib_device(struct ipath_devdata *dd)
(1ull << IB_USER_VERBS_CMD_POST_SRQ_RECV);
dev->node_type = RDMA_NODE_IB_CA;
dev->phys_port_cnt = 1;
+ dev->num_comp_vectors = 1;
dev->dma_device = &dd->pcidev->dev;
dev->query_device = ipath_query_device;
dev->modify_device = ipath_modify_device;
diff --git a/drivers/infiniband/hw/ipath/ipath_verbs.h b/drivers/infiniband/hw/ipath/ipath_verbs.h
index 7c4929f1cb5..7064fc22272 100644
--- a/drivers/infiniband/hw/ipath/ipath_verbs.h
+++ b/drivers/infiniband/hw/ipath/ipath_verbs.h
@@ -173,12 +173,12 @@ struct ipath_ah {
* this as its vm_private_data.
*/
struct ipath_mmap_info {
- struct ipath_mmap_info *next;
+ struct list_head pending_mmaps;
struct ib_ucontext *context;
void *obj;
+ __u64 offset;
struct kref ref;
unsigned size;
- unsigned mmap_cnt;
};
/*
@@ -422,7 +422,7 @@ struct ipath_qp {
#define IPATH_S_RDMAR_PENDING 0x04
#define IPATH_S_ACK_PENDING 0x08
-#define IPATH_PSN_CREDIT 2048
+#define IPATH_PSN_CREDIT 512
/*
* Since struct ipath_swqe is not a fixed size, we can't simply index into
@@ -485,9 +485,10 @@ struct ipath_opcode_stats {
struct ipath_ibdev {
struct ib_device ibdev;
- struct list_head dev_list;
struct ipath_devdata *dd;
- struct ipath_mmap_info *pending_mmaps;
+ struct list_head pending_mmaps;
+ spinlock_t mmap_offset_lock;
+ u32 mmap_offset;
int ib_unit; /* This is the device number */
u16 sm_lid; /* in host order */
u8 sm_sl;
@@ -734,13 +735,13 @@ int ipath_destroy_srq(struct ib_srq *ibsrq);
int ipath_poll_cq(struct ib_cq *ibcq, int num_entries, struct ib_wc *entry);
-struct ib_cq *ipath_create_cq(struct ib_device *ibdev, int entries,
+struct ib_cq *ipath_create_cq(struct ib_device *ibdev, int entries, int comp_vector,
struct ib_ucontext *context,
struct ib_udata *udata);
int ipath_destroy_cq(struct ib_cq *ibcq);
-int ipath_req_notify_cq(struct ib_cq *ibcq, enum ib_cq_notify notify);
+int ipath_req_notify_cq(struct ib_cq *ibcq, enum ib_cq_notify_flags notify_flags);
int ipath_resize_cq(struct ib_cq *ibcq, int cqe, struct ib_udata *udata);
@@ -768,6 +769,15 @@ int ipath_dealloc_fmr(struct ib_fmr *ibfmr);
void ipath_release_mmap_info(struct kref *ref);
+struct ipath_mmap_info *ipath_create_mmap_info(struct ipath_ibdev *dev,
+ u32 size,
+ struct ib_ucontext *context,
+ void *obj);
+
+void ipath_update_mmap_info(struct ipath_ibdev *dev,
+ struct ipath_mmap_info *ip,
+ u32 size, void *obj);
+
int ipath_mmap(struct ib_ucontext *context, struct vm_area_struct *vma);
void ipath_no_bufs_available(struct ipath_qp *qp, struct ipath_ibdev *dev);
diff --git a/drivers/infiniband/hw/mthca/mthca_cq.c b/drivers/infiniband/hw/mthca/mthca_cq.c
index efd79ef109a..cf0868f6e96 100644
--- a/drivers/infiniband/hw/mthca/mthca_cq.c
+++ b/drivers/infiniband/hw/mthca/mthca_cq.c
@@ -726,11 +726,12 @@ repoll:
return err == 0 || err == -EAGAIN ? npolled : err;
}
-int mthca_tavor_arm_cq(struct ib_cq *cq, enum ib_cq_notify notify)
+int mthca_tavor_arm_cq(struct ib_cq *cq, enum ib_cq_notify_flags flags)
{
__be32 doorbell[2];
- doorbell[0] = cpu_to_be32((notify == IB_CQ_SOLICITED ?
+ doorbell[0] = cpu_to_be32(((flags & IB_CQ_SOLICITED_MASK) ==
+ IB_CQ_SOLICITED ?
MTHCA_TAVOR_CQ_DB_REQ_NOT_SOL :
MTHCA_TAVOR_CQ_DB_REQ_NOT) |
to_mcq(cq)->cqn);
@@ -743,7 +744,7 @@ int mthca_tavor_arm_cq(struct ib_cq *cq, enum ib_cq_notify notify)
return 0;
}
-int mthca_arbel_arm_cq(struct ib_cq *ibcq, enum ib_cq_notify notify)
+int mthca_arbel_arm_cq(struct ib_cq *ibcq, enum ib_cq_notify_flags flags)
{
struct mthca_cq *cq = to_mcq(ibcq);
__be32 doorbell[2];
@@ -755,7 +756,8 @@ int mthca_arbel_arm_cq(struct ib_cq *ibcq, enum ib_cq_notify notify)
doorbell[0] = ci;
doorbell[1] = cpu_to_be32((cq->cqn << 8) | (2 << 5) | (sn << 3) |
- (notify == IB_CQ_SOLICITED ? 1 : 2));
+ ((flags & IB_CQ_SOLICITED_MASK) ==
+ IB_CQ_SOLICITED ? 1 : 2));
mthca_write_db_rec(doorbell, cq->arm_db);
@@ -766,7 +768,7 @@ int mthca_arbel_arm_cq(struct ib_cq *ibcq, enum ib_cq_notify notify)
wmb();
doorbell[0] = cpu_to_be32((sn << 28) |
- (notify == IB_CQ_SOLICITED ?
+ ((flags & IB_CQ_SOLICITED_MASK) == IB_CQ_SOLICITED ?
MTHCA_ARBEL_CQ_DB_REQ_NOT_SOL :
MTHCA_ARBEL_CQ_DB_REQ_NOT) |
cq->cqn);
diff --git a/drivers/infiniband/hw/mthca/mthca_dev.h b/drivers/infiniband/hw/mthca/mthca_dev.h
index b7e42efaf43..9bae3cc6060 100644
--- a/drivers/infiniband/hw/mthca/mthca_dev.h
+++ b/drivers/infiniband/hw/mthca/mthca_dev.h
@@ -495,8 +495,8 @@ void mthca_unmap_eq_icm(struct mthca_dev *dev);
int mthca_poll_cq(struct ib_cq *ibcq, int num_entries,
struct ib_wc *entry);
-int mthca_tavor_arm_cq(struct ib_cq *cq, enum ib_cq_notify notify);
-int mthca_arbel_arm_cq(struct ib_cq *cq, enum ib_cq_notify notify);
+int mthca_tavor_arm_cq(struct ib_cq *cq, enum ib_cq_notify_flags flags);
+int mthca_arbel_arm_cq(struct ib_cq *cq, enum ib_cq_notify_flags flags);
int mthca_init_cq(struct mthca_dev *dev, int nent,
struct mthca_ucontext *ctx, u32 pdn,
struct mthca_cq *cq);
diff --git a/drivers/infiniband/hw/mthca/mthca_provider.c b/drivers/infiniband/hw/mthca/mthca_provider.c
index 47e6fd46d9c..1c05486c3c6 100644
--- a/drivers/infiniband/hw/mthca/mthca_provider.c
+++ b/drivers/infiniband/hw/mthca/mthca_provider.c
@@ -663,6 +663,7 @@ static int mthca_destroy_qp(struct ib_qp *qp)
}
static struct ib_cq *mthca_create_cq(struct ib_device *ibdev, int entries,
+ int comp_vector,
struct ib_ucontext *context,
struct ib_udata *udata)
{
@@ -1292,6 +1293,7 @@ int mthca_register_device(struct mthca_dev *dev)
(1ull << IB_USER_VERBS_CMD_DETACH_MCAST);
dev->ib_dev.node_type = RDMA_NODE_IB_CA;
dev->ib_dev.phys_port_cnt = dev->limits.num_ports;
+ dev->ib_dev.num_comp_vectors = 1;
dev->ib_dev.dma_device = &dev->pdev->dev;
dev->ib_dev.query_device = mthca_query_device;
dev->ib_dev.query_port = mthca_query_port;
diff --git a/drivers/infiniband/hw/mthca/mthca_qp.c b/drivers/infiniband/hw/mthca/mthca_qp.c
index 8fe6fee7a97..fee60c852d1 100644
--- a/drivers/infiniband/hw/mthca/mthca_qp.c
+++ b/drivers/infiniband/hw/mthca/mthca_qp.c
@@ -701,6 +701,19 @@ int mthca_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, int attr_mask,
qp_param->opt_param_mask |= cpu_to_be32(MTHCA_QP_OPTPAR_PRIMARY_ADDR_PATH);
}
+ if (ibqp->qp_type == IB_QPT_RC &&
+ cur_state == IB_QPS_INIT && new_state == IB_QPS_RTR) {
+ u8 sched_queue = ibqp->uobject ? 0x2 : 0x1;
+
+ if (mthca_is_memfree(dev))
+ qp_context->rlkey_arbel_sched_queue |= sched_queue;
+ else
+ qp_context->tavor_sched_queue |= cpu_to_be32(sched_queue);
+
+ qp_param->opt_param_mask |=
+ cpu_to_be32(MTHCA_QP_OPTPAR_SCHED_QUEUE);
+ }
+
if (attr_mask & IB_QP_TIMEOUT) {
qp_context->pri_path.ackto = attr->timeout << 3;
qp_param->opt_param_mask |= cpu_to_be32(MTHCA_QP_OPTPAR_ACK_TIMEOUT);