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authorSteve Wise <swise@opengridcomputing.com>2010-06-23 15:46:55 +0000
committerRoland Dreier <rolandd@cisco.com>2010-08-07 23:08:47 -0700
commit93fb72e443b9fcbef598faa05478883952edca77 (patch)
treea9d58122bf50b6a988c40bc7a487363f8023492e /drivers
parentMerge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394-2.6 (diff)
downloadlinux-dev-93fb72e443b9fcbef598faa05478883952edca77.tar.xz
linux-dev-93fb72e443b9fcbef598faa05478883952edca77.zip
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>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/infiniband/hw/cxgb4/device.c9
-rw-r--r--drivers/infiniband/hw/cxgb4/resource.c7
-rw-r--r--drivers/infiniband/hw/cxgb4/t4.h2
3 files changed, 11 insertions, 7 deletions
diff --git a/drivers/infiniband/hw/cxgb4/device.c b/drivers/infiniband/hw/cxgb4/device.c
index d870f9c17c1e..9bbf491d5d9e 100644
--- a/drivers/infiniband/hw/cxgb4/device.c
+++ b/drivers/infiniband/hw/cxgb4/device.c
@@ -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),
diff --git a/drivers/infiniband/hw/cxgb4/resource.c b/drivers/infiniband/hw/cxgb4/resource.c
index fb195d1d9015..83b23dfa250d 100644
--- a/drivers/infiniband/hw/cxgb4/resource.c
+++ b/drivers/infiniband/hw/cxgb4/resource.c
@@ -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));
diff --git a/drivers/infiniband/hw/cxgb4/t4.h b/drivers/infiniband/hw/cxgb4/t4.h
index aef55f42bea4..24f369046ef3 100644
--- a/drivers/infiniband/hw/cxgb4/t4.h
+++ b/drivers/infiniband/hw/cxgb4/t4.h
@@ -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)