1. Fix endianess handling of srq_limit
2. Add support for srq_limit for Tavor
Signed-off-by: Eli Cohen <[EMAIL PROTECTED]>
Index: last_stable/drivers/infiniband/hw/mthca/mthca_srq.c
===================================================================
--- last_stable.orig/drivers/infiniband/hw/mthca/mthca_srq.c 2006-03-12
17:15:36.000000000 +0200
+++ last_stable/drivers/infiniband/hw/mthca/mthca_srq.c 2006-03-12
18:24:45.000000000 +0200
@@ -49,7 +49,8 @@ struct mthca_tavor_srq_context {
__be32 state_pd;
__be32 lkey;
__be32 uar;
- __be32 wqe_cnt;
+ __be16 limit_watermark;
+ __be16 wqe_cnt;
u32 reserved[2];
};
@@ -369,6 +370,7 @@ int mthca_query_srq(struct ib_srq *ibsrq
struct mthca_srq *srq = to_msrq(ibsrq);
struct mthca_mailbox *mailbox;
struct mthca_arbel_srq_context *arbel_ctx;
+ struct mthca_tavor_srq_context *tavor_ctx;
u8 status;
int err;
@@ -382,9 +384,11 @@ int mthca_query_srq(struct ib_srq *ibsrq
if (mthca_is_memfree(dev)) {
arbel_ctx = mailbox->buf;
- srq_attr->srq_limit = arbel_ctx->limit_watermark;
- } else
- srq_attr->srq_limit = 0;
+ srq_attr->srq_limit = be16_to_cpu(arbel_ctx->limit_watermark);
+ } else {
+ tavor_ctx = mailbox->buf;
+ srq_attr->srq_limit = be16_to_cpu(tavor_ctx->limit_watermark);
+ }
srq_attr->max_wr = (mthca_is_memfree(dev)) ? srq->max - 1 : srq->max;
srq_attr->max_sge = srq->max_gs;
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