diff options
| author |   Stefan Roscher <stefan.roscher@de.ibm.com> | 2007-09-11 15:29:39 +0200 |
|---|---|---|
| committer |   Roland Dreier <rolandd@cisco.com> | 2007-10-09 19:59:08 -0700 |
| commit | 5281a4b8a0c6bac0c070913ec25868faa06a3115 (patch) | |
| tree | 49e379688fca00a0a3eb4f031aab90929f784f34 /drivers/infiniband/hw/ehca/ehca_uverbs.c | |
| parent | IB/ehca: Small QP userspace support (diff) | |
| download | linux-dev-5281a4b8a0c6bac0c070913ec25868faa06a3115.tar.xz linux-dev-5281a4b8a0c6bac0c070913ec25868faa06a3115.zip | |
IB/ehca: Support more than 4k QPs for userspace and kernelspace
Signed-off-by: Joachim Fenkes <fenkes@de.ibm.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
Diffstat (limited to 'drivers/infiniband/hw/ehca/ehca_uverbs.c')
| -rw-r--r-- | drivers/infiniband/hw/ehca/ehca_uverbs.c | 22 |
1 files changed, 11 insertions, 11 deletions
diff --git a/drivers/infiniband/hw/ehca/ehca_uverbs.c b/drivers/infiniband/hw/ehca/ehca_uverbs.c index 4bc687fdf531..3340f49f0211 100644 --- a/drivers/infiniband/hw/ehca/ehca_uverbs.c +++ b/drivers/infiniband/hw/ehca/ehca_uverbs.c @@ -164,7 +164,7 @@ static int ehca_mmap_cq(struct vm_area_struct *vma, struct ehca_cq *cq, int ret; switch (rsrc_type) { - case 1: /* galpa fw handle */ + case 0: /* galpa fw handle */ ehca_dbg(cq->ib_cq.device, "cq_num=%x fw", cq->cq_number); ret = ehca_mmap_fw(vma, &cq->galpas, &cq->mm_count_galpa); if (unlikely(ret)) { @@ -175,7 +175,7 @@ static int ehca_mmap_cq(struct vm_area_struct *vma, struct ehca_cq *cq, } break; - case 2: /* cq queue_addr */ + case 1: /* cq queue_addr */ ehca_dbg(cq->ib_cq.device, "cq_num=%x queue", cq->cq_number); ret = ehca_mmap_queue(vma, &cq->ipz_queue, &cq->mm_count_queue); if (unlikely(ret)) { @@ -201,7 +201,7 @@ static int ehca_mmap_qp(struct vm_area_struct *vma, struct ehca_qp *qp, int ret; switch (rsrc_type) { - case 1: /* galpa fw handle */ + case 0: /* galpa fw handle */ ehca_dbg(qp->ib_qp.device, "qp_num=%x fw", qp->ib_qp.qp_num); ret = ehca_mmap_fw(vma, &qp->galpas, &qp->mm_count_galpa); if (unlikely(ret)) { @@ -212,7 +212,7 @@ static int ehca_mmap_qp(struct vm_area_struct *vma, struct ehca_qp *qp, } break; - case 2: /* qp rqueue_addr */ + case 1: /* qp rqueue_addr */ ehca_dbg(qp->ib_qp.device, "qp_num=%x rqueue", qp->ib_qp.qp_num); ret = ehca_mmap_queue(vma, &qp->ipz_rqueue, @@ -225,7 +225,7 @@ static int ehca_mmap_qp(struct vm_area_struct *vma, struct ehca_qp *qp, } break; - case 3: /* qp squeue_addr */ + case 2: /* qp squeue_addr */ ehca_dbg(qp->ib_qp.device, "qp_num=%x squeue", qp->ib_qp.qp_num); ret = ehca_mmap_queue(vma, &qp->ipz_squeue, @@ -249,10 +249,10 @@ static int ehca_mmap_qp(struct vm_area_struct *vma, struct ehca_qp *qp, int ehca_mmap(struct ib_ucontext *context, struct vm_area_struct *vma) { - u64 fileoffset = vma->vm_pgoff << PAGE_SHIFT; - u32 idr_handle = fileoffset >> 32; - u32 q_type = (fileoffset >> 28) & 0xF; /* CQ, QP,... */ - u32 rsrc_type = (fileoffset >> 24) & 0xF; /* sq,rq,cmnd_window */ + u64 fileoffset = vma->vm_pgoff; + u32 idr_handle = fileoffset & 0x1FFFFFF; + u32 q_type = (fileoffset >> 27) & 0x1; /* CQ, QP,... */ + u32 rsrc_type = (fileoffset >> 25) & 0x3; /* sq,rq,cmnd_window */ u32 cur_pid = current->tgid; u32 ret; struct ehca_cq *cq; @@ -261,7 +261,7 @@ int ehca_mmap(struct ib_ucontext *context, struct vm_area_struct *vma) struct ib_uobject *uobject; switch (q_type) { - case 1: /* CQ */ + case 0: /* CQ */ read_lock(&ehca_cq_idr_lock); cq = idr_find(&ehca_cq_idr, idr_handle); read_unlock(&ehca_cq_idr_lock); @@ -289,7 +289,7 @@ int ehca_mmap(struct ib_ucontext *context, struct vm_area_struct *vma) } break; - case 2: /* QP */ + case 1: /* QP */ read_lock(&ehca_qp_idr_lock); qp = idr_find(&ehca_qp_idr, idr_handle); read_unlock(&ehca_qp_idr_lock); |