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RDMA/cxgb4: Obtain RDMA QID ranges from LLD/FW 

Signed-off-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
This commit is contained in:
Steve Wise 2010-06-23 15:46:55 +00:00 committed by Roland Dreier
parent 2d53056973
commit 93fb72e443
3 changed files with 11 additions and 7 deletions
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9
drivers/infiniband/hw/cxgb4/device.c
View File

@ -250,12 +250,17 @@ static int c4iw_rdev_open(struct c4iw_rdev *rdev)
rdev->cqshift = PAGE_SHIFT - ilog2(rdev->lldi.ucq_density);
rdev->cqmask = rdev->lldi.ucq_density - 1;
PDBG("%s dev %s stag start 0x%0x size 0x%0x num stags %d "
"pbl start 0x%0x size 0x%0x rq start 0x%0x size 0x%0x\n",
"pbl start 0x%0x size 0x%0x rq start 0x%0x size 0x%0x "
"qp qid start %u size %u cq qid start %u size %u\n",
__func__, pci_name(rdev->lldi.pdev), rdev->lldi.vr->stag.start,
rdev->lldi.vr->stag.size, c4iw_num_stags(rdev),
rdev->lldi.vr->pbl.start,
rdev->lldi.vr->pbl.size, rdev->lldi.vr->rq.start,
rdev->lldi.vr->rq.size);
rdev->lldi.vr->rq.size,
rdev->lldi.vr->qp.start,
rdev->lldi.vr->qp.size,
rdev->lldi.vr->cq.start,
rdev->lldi.vr->cq.size);
PDBG("udb len 0x%x udb base %p db_reg %p gts_reg %p qpshift %lu "
"qpmask 0x%x cqshift %lu cqmask 0x%x\n",
(unsigned)pci_resource_len(rdev->lldi.pdev, 2),

7
drivers/infiniband/hw/cxgb4/resource.c
View File

@ -110,11 +110,12 @@ static int c4iw_init_qid_fifo(struct c4iw_rdev *rdev)
spin_lock_init(&rdev->resource.qid_fifo_lock);
if (kfifo_alloc(&rdev->resource.qid_fifo, T4_MAX_QIDS * sizeof(u32),
GFP_KERNEL))
if (kfifo_alloc(&rdev->resource.qid_fifo, rdev->lldi.vr->qp.size *
sizeof(u32), GFP_KERNEL))
return -ENOMEM;
for (i = T4_QID_BASE; i < T4_QID_BASE + T4_MAX_QIDS; i++)
for (i = rdev->lldi.vr->qp.start;
i < rdev->lldi.vr->qp.start + rdev->lldi.vr->qp.size; i++)
if (!(i & rdev->qpmask))
kfifo_in(&rdev->resource.qid_fifo,
(unsigned char *) &i, sizeof(u32));

2
drivers/infiniband/hw/cxgb4/t4.h
View File

@ -36,8 +36,6 @@
#include "t4_msg.h"
#include "t4fw_ri_api.h"
#define T4_QID_BASE 1024
#define T4_MAX_QIDS 256
#define T4_MAX_NUM_QP (1<<16)
#define T4_MAX_NUM_CQ (1<<15)
#define T4_MAX_NUM_PD (1<<15)