Merge branch 'hwmon-for-linus' of git://jdelvare.pck.nerim.net/jdelvare-2.6

[pandora-kernel.git] / drivers / infiniband / hw / mthca / mthca_qp.c

diff --git a/drivers/infiniband/hw/mthca/mthca_qp.c b/drivers/infiniband/hw/mthca/mthca_qp.c
index 6a7822e..71dc84b 100644 (file)
--- a/drivers/infiniband/hw/mthca/mthca_qp.c
+++ b/drivers/infiniband/hw/mthca/mthca_qp.c
@@ -35,7 +35,6 @@
  * $Id: mthca_qp.c 1355 2004-12-17 15:23:43Z roland $
  */
 
-#include <linux/init.h>
 #include <linux/string.h>
 #include <linux/slab.h>
 
@@ -400,7 +399,7 @@ static int to_ib_qp_access_flags(int mthca_flags)
 static void to_ib_ah_attr(struct mthca_dev *dev, struct ib_ah_attr *ib_ah_attr,
                                struct mthca_qp_path *path)
 {
-       memset(ib_ah_attr, 0, sizeof *path);
+       memset(ib_ah_attr, 0, sizeof *ib_ah_attr);
        ib_ah_attr->port_num      = (be32_to_cpu(path->port_pkey) >> 24) & 0x3;
 
        if (ib_ah_attr->port_num == 0 || ib_ah_attr->port_num > dev->limits.num_ports)
@@ -430,13 +429,18 @@ int mthca_query_qp(struct ib_qp *ibqp, struct ib_qp_attr *qp_attr, int qp_attr_m
 {
        struct mthca_dev *dev = to_mdev(ibqp->device);
        struct mthca_qp *qp = to_mqp(ibqp);
-       int err;
-       struct mthca_mailbox *mailbox;
+       int err = 0;
+       struct mthca_mailbox *mailbox = NULL;
        struct mthca_qp_param *qp_param;
        struct mthca_qp_context *context;
        int mthca_state;
        u8 status;
 
+       if (qp->state == IB_QPS_RESET) {
+               qp_attr->qp_state = IB_QPS_RESET;
+               goto done;
+       }
+
        mailbox = mthca_alloc_mailbox(dev, GFP_KERNEL);
        if (IS_ERR(mailbox))
                return PTR_ERR(mailbox);
@@ -455,7 +459,6 @@ int mthca_query_qp(struct ib_qp *ibqp, struct ib_qp_attr *qp_attr, int qp_attr_m
        mthca_state = be32_to_cpu(context->flags) >> 28;
 
        qp_attr->qp_state            = to_ib_qp_state(mthca_state);
-       qp_attr->cur_qp_state        = qp_attr->qp_state;
        qp_attr->path_mtu            = context->mtu_msgmax >> 5;
        qp_attr->path_mig_state      =
                to_ib_mig_state((be32_to_cpu(context->flags) >> 11) & 0x3);
@@ -465,11 +468,6 @@ int mthca_query_qp(struct ib_qp *ibqp, struct ib_qp_attr *qp_attr, int qp_attr_m
        qp_attr->dest_qp_num         = be32_to_cpu(context->remote_qpn) & 0xffffff;
        qp_attr->qp_access_flags     =
                to_ib_qp_access_flags(be32_to_cpu(context->params2));
-       qp_attr->cap.max_send_wr     = qp->sq.max;
-       qp_attr->cap.max_recv_wr     = qp->rq.max;
-       qp_attr->cap.max_send_sge    = qp->sq.max_gs;
-       qp_attr->cap.max_recv_sge    = qp->rq.max_gs;
-       qp_attr->cap.max_inline_data = qp->max_inline_data;
 
        if (qp->transport == RC || qp->transport == UC) {
                to_ib_ah_attr(dev, &qp_attr->ah_attr, &context->pri_path);
@@ -496,7 +494,16 @@ int mthca_query_qp(struct ib_qp *ibqp, struct ib_qp_attr *qp_attr, int qp_attr_m
        qp_attr->retry_cnt          = (be32_to_cpu(context->params1) >> 16) & 0x7;
        qp_attr->rnr_retry          = context->pri_path.rnr_retry >> 5;
        qp_attr->alt_timeout        = context->alt_path.ackto >> 3;
-       qp_init_attr->cap           = qp_attr->cap;
+
+done:
+       qp_attr->cur_qp_state        = qp_attr->qp_state;
+       qp_attr->cap.max_send_wr     = qp->sq.max;
+       qp_attr->cap.max_recv_wr     = qp->rq.max;
+       qp_attr->cap.max_send_sge    = qp->sq.max_gs;
+       qp_attr->cap.max_recv_sge    = qp->rq.max_gs;
+       qp_attr->cap.max_inline_data = qp->max_inline_data;
+
+       qp_init_attr->cap            = qp_attr->cap;
 
 out:
        mthca_free_mailbox(dev, mailbox);
@@ -566,6 +573,11 @@ int mthca_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, int attr_mask,
                goto out;
        }
 
+       if (cur_state == new_state && cur_state == IB_QPS_RESET) {
+               err = 0;
+               goto out;
+       }
+
        if ((attr_mask & IB_QP_PKEY_INDEX) &&
             attr->pkey_index >= dev->limits.pkey_table_len) {
                mthca_dbg(dev, "P_Key index (%u) too large. max is %d\n",
@@ -637,11 +649,11 @@ int mthca_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, int attr_mask,
 
        if (mthca_is_memfree(dev)) {
                if (qp->rq.max)
-                       qp_context->rq_size_stride = long_log2(qp->rq.max) << 3;
+                       qp_context->rq_size_stride = ilog2(qp->rq.max) << 3;
                qp_context->rq_size_stride |= qp->rq.wqe_shift - 4;
 
                if (qp->sq.max)
-                       qp_context->sq_size_stride = long_log2(qp->sq.max) << 3;
+                       qp_context->sq_size_stride = ilog2(qp->sq.max) << 3;
                qp_context->sq_size_stride |= qp->sq.wqe_shift - 4;
        }
 
@@ -2241,7 +2253,7 @@ void mthca_free_err_wqe(struct mthca_dev *dev, struct mthca_qp *qp, int is_send,
                *new_wqe = 0;
 }
 
-int __devinit mthca_init_qp_table(struct mthca_dev *dev)
+int mthca_init_qp_table(struct mthca_dev *dev)
 {
        int err;
        u8 status;