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authorSelvin Xavier <selvin.xavier@broadcom.com>2016-08-24 01:17:41 -0400
committerDoug Ledford <dledford@redhat.com>2016-08-24 11:31:40 -0400
commit3c199b4523c92dc5df027eeeffa657e2ccf453ab (patch)
tree172a4c59885a40f54853af50f3d07bd37f962c9e
parent433c58139f6a7d59824aadd23d6c9cac1d4e6100 (diff)
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RDMA/ocrdma: Fix the max_sge reported from FW
Current driver is reporting wrong values for max_sge and max_sge_rd in query_device. This breaks the nfs rdma and iser in some device profiles. Fixing the driver to report correct values from FW. Signed-off-by: Selvin Xavier <selvin.xavier@broadcom.com> Signed-off-by: Devesh Sharma <devesh.sharma@broadcom.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
-rw-r--r--drivers/infiniband/hw/ocrdma/ocrdma_hw.c14
-rw-r--r--drivers/infiniband/hw/ocrdma/ocrdma_sli.h12
-rw-r--r--drivers/infiniband/hw/ocrdma/ocrdma_verbs.c4
3 files changed, 17 insertions, 13 deletions
diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_hw.c b/drivers/infiniband/hw/ocrdma/ocrdma_hw.c
index 16740dcb876b..67fc0b6857e1 100644
--- a/drivers/infiniband/hw/ocrdma/ocrdma_hw.c
+++ b/drivers/infiniband/hw/ocrdma/ocrdma_hw.c
@@ -1156,18 +1156,18 @@ static void ocrdma_get_attr(struct ocrdma_dev *dev,
attr->max_srq =
(rsp->max_srq_rpir_qps & OCRDMA_MBX_QUERY_CFG_MAX_SRQ_MASK) >>
OCRDMA_MBX_QUERY_CFG_MAX_SRQ_OFFSET;
- attr->max_send_sge = ((rsp->max_write_send_sge &
+ attr->max_send_sge = ((rsp->max_recv_send_sge &
OCRDMA_MBX_QUERY_CFG_MAX_SEND_SGE_MASK) >>
OCRDMA_MBX_QUERY_CFG_MAX_SEND_SGE_SHIFT);
- attr->max_recv_sge = (rsp->max_write_send_sge &
- OCRDMA_MBX_QUERY_CFG_MAX_SEND_SGE_MASK) >>
- OCRDMA_MBX_QUERY_CFG_MAX_SEND_SGE_SHIFT;
+ attr->max_recv_sge = (rsp->max_recv_send_sge &
+ OCRDMA_MBX_QUERY_CFG_MAX_RECV_SGE_MASK) >>
+ OCRDMA_MBX_QUERY_CFG_MAX_RECV_SGE_SHIFT;
attr->max_srq_sge = (rsp->max_srq_rqe_sge &
OCRDMA_MBX_QUERY_CFG_MAX_SRQ_SGE_MASK) >>
OCRDMA_MBX_QUERY_CFG_MAX_SRQ_SGE_OFFSET;
- attr->max_rdma_sge = (rsp->max_write_send_sge &
- OCRDMA_MBX_QUERY_CFG_MAX_WRITE_SGE_MASK) >>
- OCRDMA_MBX_QUERY_CFG_MAX_WRITE_SGE_SHIFT;
+ attr->max_rdma_sge = (rsp->max_wr_rd_sge &
+ OCRDMA_MBX_QUERY_CFG_MAX_RD_SGE_MASK) >>
+ OCRDMA_MBX_QUERY_CFG_MAX_RD_SGE_SHIFT;
attr->max_ord_per_qp = (rsp->max_ird_ord_per_qp &
OCRDMA_MBX_QUERY_CFG_MAX_ORD_PER_QP_MASK) >>
OCRDMA_MBX_QUERY_CFG_MAX_ORD_PER_QP_SHIFT;
diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_sli.h b/drivers/infiniband/hw/ocrdma/ocrdma_sli.h
index 0efc9662c6d8..37df4481bb8f 100644
--- a/drivers/infiniband/hw/ocrdma/ocrdma_sli.h
+++ b/drivers/infiniband/hw/ocrdma/ocrdma_sli.h
@@ -554,9 +554,9 @@ enum {
OCRDMA_MBX_QUERY_CFG_L3_TYPE_MASK = 0x18,
OCRDMA_MBX_QUERY_CFG_MAX_SEND_SGE_SHIFT = 0,
OCRDMA_MBX_QUERY_CFG_MAX_SEND_SGE_MASK = 0xFFFF,
- OCRDMA_MBX_QUERY_CFG_MAX_WRITE_SGE_SHIFT = 16,
- OCRDMA_MBX_QUERY_CFG_MAX_WRITE_SGE_MASK = 0xFFFF <<
- OCRDMA_MBX_QUERY_CFG_MAX_WRITE_SGE_SHIFT,
+ OCRDMA_MBX_QUERY_CFG_MAX_RECV_SGE_SHIFT = 16,
+ OCRDMA_MBX_QUERY_CFG_MAX_RECV_SGE_MASK = 0xFFFF <<
+ OCRDMA_MBX_QUERY_CFG_MAX_RECV_SGE_SHIFT,
OCRDMA_MBX_QUERY_CFG_MAX_ORD_PER_QP_SHIFT = 0,
OCRDMA_MBX_QUERY_CFG_MAX_ORD_PER_QP_MASK = 0xFFFF,
@@ -612,6 +612,8 @@ enum {
OCRDMA_MBX_QUERY_CFG_MAX_SRQ_SGE_OFFSET = 0,
OCRDMA_MBX_QUERY_CFG_MAX_SRQ_SGE_MASK = 0xFFFF <<
OCRDMA_MBX_QUERY_CFG_MAX_SRQ_SGE_OFFSET,
+ OCRDMA_MBX_QUERY_CFG_MAX_RD_SGE_SHIFT = 0,
+ OCRDMA_MBX_QUERY_CFG_MAX_RD_SGE_MASK = 0xFFFF,
};
struct ocrdma_mbx_query_config {
@@ -619,7 +621,7 @@ struct ocrdma_mbx_query_config {
struct ocrdma_mbx_rsp rsp;
u32 qp_srq_cq_ird_ord;
u32 max_pd_ca_ack_delay;
- u32 max_write_send_sge;
+ u32 max_recv_send_sge;
u32 max_ird_ord_per_qp;
u32 max_shared_ird_ord;
u32 max_mr;
@@ -639,6 +641,8 @@ struct ocrdma_mbx_query_config {
u32 max_wqes_rqes_per_q;
u32 max_cq_cqes_per_cq;
u32 max_srq_rqe_sge;
+ u32 max_wr_rd_sge;
+ u32 ird_pgsz_num_pages;
};
struct ocrdma_fw_ver_rsp {
diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c
index b1a3d91fe8b9..0aa854737e74 100644
--- a/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c
+++ b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c
@@ -125,8 +125,8 @@ int ocrdma_query_device(struct ib_device *ibdev, struct ib_device_attr *attr,
IB_DEVICE_SYS_IMAGE_GUID |
IB_DEVICE_LOCAL_DMA_LKEY |
IB_DEVICE_MEM_MGT_EXTENSIONS;
- attr->max_sge = dev->attr.max_send_sge;
- attr->max_sge_rd = attr->max_sge;
+ attr->max_sge = min(dev->attr.max_send_sge, dev->attr.max_recv_sge);
+ attr->max_sge_rd = dev->attr.max_rdma_sge;
attr->max_cq = dev->attr.max_cq;
attr->max_cqe = dev->attr.max_cqe;
attr->max_mr = dev->attr.max_mr;