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RDMA/ocrdma: Correct queue SGE calculation

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Fix max sge calculation for sq, rq, srq for all hardware types.

Signed-off-by: Mahesh Vardhamanaiah <mahesh.vardhamanaiah@emulex.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
This commit is contained in:
Mahesh Vardhamanaiah 2012-06-08 21:26:11 +05:30 committed by Roland Dreier
parent 07bb54244e
commit 634c5796a5
4 changed files with 10 additions and 3 deletions
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1
drivers/infiniband/hw/ocrdma/ocrdma.h
View File

@ -61,6 +61,7 @@ struct ocrdma_dev_attr {
u32 max_inline_data;
int max_send_sge;
int max_recv_sge;
int max_srq_sge;
int max_mr;
u64 max_mr_size;
u32 max_num_mr_pbl;

3
drivers/infiniband/hw/ocrdma/ocrdma_hw.c
View File

@ -1002,6 +1002,9 @@ static void ocrdma_get_attr(struct ocrdma_dev *dev,
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_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_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;

3
drivers/infiniband/hw/ocrdma/ocrdma_sli.h
View File

@ -418,6 +418,9 @@ enum {
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_ORD_PER_QP_SHIFT = 0,
OCRDMA_MBX_QUERY_CFG_MAX_ORD_PER_QP_MASK = 0xFFFF,

6
drivers/infiniband/hw/ocrdma/ocrdma_verbs.c
View File

@ -83,8 +83,8 @@ int ocrdma_query_device(struct ib_device *ibdev, struct ib_device_attr *attr)
IB_DEVICE_SHUTDOWN_PORT |
IB_DEVICE_SYS_IMAGE_GUID |
IB_DEVICE_LOCAL_DMA_LKEY;
attr->max_sge = dev->attr.max_send_sge;
attr->max_sge_rd = dev->attr.max_send_sge;
attr->max_sge = min(dev->attr.max_send_sge, dev->attr.max_srq_sge);
attr->max_sge_rd = 0;
attr->max_cq = dev->attr.max_cq;
attr->max_cqe = dev->attr.max_cqe;
attr->max_mr = dev->attr.max_mr;
@ -97,7 +97,7 @@ int ocrdma_query_device(struct ib_device *ibdev, struct ib_device_attr *attr)
min(dev->attr.max_ord_per_qp, dev->attr.max_ird_per_qp);
attr->max_qp_init_rd_atom = dev->attr.max_ord_per_qp;
attr->max_srq = (dev->attr.max_qp - 1);
attr->max_srq_sge = attr->max_sge;
attr->max_srq_sge = attr->max_srq_sge;
attr->max_srq_wr = dev->attr.max_rqe;
attr->local_ca_ack_delay = dev->attr.local_ca_ack_delay;
attr->max_fast_reg_page_list_len = 0;