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path: root/drivers/infiniband/hw/ehca/ehca_uverbs.c
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Diffstat (limited to 'drivers/infiniband/hw/ehca/ehca_uverbs.c')
-rw-r--r--drivers/infiniband/hw/ehca/ehca_uverbs.c46
1 files changed, 23 insertions, 23 deletions
diff --git a/drivers/infiniband/hw/ehca/ehca_uverbs.c b/drivers/infiniband/hw/ehca/ehca_uverbs.c
index 4bc687fdf53..5234d6c15c4 100644
--- a/drivers/infiniband/hw/ehca/ehca_uverbs.c
+++ b/drivers/infiniband/hw/ehca/ehca_uverbs.c
@@ -109,7 +109,7 @@ static int ehca_mmap_fw(struct vm_area_struct *vma, struct h_galpas *galpas,
u64 vsize, physical;
vsize = vma->vm_end - vma->vm_start;
- if (vsize != EHCA_PAGESIZE) {
+ if (vsize < EHCA_PAGESIZE) {
ehca_gen_err("invalid vsize=%lx", vma->vm_end - vma->vm_start);
return -EINVAL;
}
@@ -118,10 +118,10 @@ static int ehca_mmap_fw(struct vm_area_struct *vma, struct h_galpas *galpas,
vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
ehca_gen_dbg("vsize=%lx physical=%lx", vsize, physical);
/* VM_IO | VM_RESERVED are set by remap_pfn_range() */
- ret = remap_pfn_range(vma, vma->vm_start, physical >> PAGE_SHIFT,
- vsize, vma->vm_page_prot);
+ ret = remap_4k_pfn(vma, vma->vm_start, physical >> EHCA_PAGESHIFT,
+ vma->vm_page_prot);
if (unlikely(ret)) {
- ehca_gen_err("remap_pfn_range() failed ret=%x", ret);
+ ehca_gen_err("remap_pfn_range() failed ret=%i", ret);
return -ENOMEM;
}
@@ -146,7 +146,7 @@ static int ehca_mmap_queue(struct vm_area_struct *vma, struct ipz_queue *queue,
page = virt_to_page(virt_addr);
ret = vm_insert_page(vma, start, page);
if (unlikely(ret)) {
- ehca_gen_err("vm_insert_page() failed rc=%x", ret);
+ ehca_gen_err("vm_insert_page() failed rc=%i", ret);
return ret;
}
start += PAGE_SIZE;
@@ -164,23 +164,23 @@ 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)) {
ehca_err(cq->ib_cq.device,
- "ehca_mmap_fw() failed rc=%x cq_num=%x",
+ "ehca_mmap_fw() failed rc=%i cq_num=%x",
ret, cq->cq_number);
return ret;
}
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)) {
ehca_err(cq->ib_cq.device,
- "ehca_mmap_queue() failed rc=%x cq_num=%x",
+ "ehca_mmap_queue() failed rc=%i cq_num=%x",
ret, cq->cq_number);
return ret;
}
@@ -201,38 +201,38 @@ 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)) {
ehca_err(qp->ib_qp.device,
- "remap_pfn_range() failed ret=%x qp_num=%x",
+ "remap_pfn_range() failed ret=%i qp_num=%x",
ret, qp->ib_qp.qp_num);
return -ENOMEM;
}
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,
&qp->mm_count_rqueue);
if (unlikely(ret)) {
ehca_err(qp->ib_qp.device,
- "ehca_mmap_queue(rq) failed rc=%x qp_num=%x",
+ "ehca_mmap_queue(rq) failed rc=%i qp_num=%x",
ret, qp->ib_qp.qp_num);
return ret;
}
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,
&qp->mm_count_squeue);
if (unlikely(ret)) {
ehca_err(qp->ib_qp.device,
- "ehca_mmap_queue(sq) failed rc=%x qp_num=%x",
+ "ehca_mmap_queue(sq) failed rc=%i qp_num=%x",
ret, qp->ib_qp.qp_num);
return ret;
}
@@ -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);
@@ -283,13 +283,13 @@ int ehca_mmap(struct ib_ucontext *context, struct vm_area_struct *vma)
ret = ehca_mmap_cq(vma, cq, rsrc_type);
if (unlikely(ret)) {
ehca_err(cq->ib_cq.device,
- "ehca_mmap_cq() failed rc=%x cq_num=%x",
+ "ehca_mmap_cq() failed rc=%i cq_num=%x",
ret, cq->cq_number);
return ret;
}
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);
@@ -313,7 +313,7 @@ int ehca_mmap(struct ib_ucontext *context, struct vm_area_struct *vma)
ret = ehca_mmap_qp(vma, qp, rsrc_type);
if (unlikely(ret)) {
ehca_err(qp->ib_qp.device,
- "ehca_mmap_qp() failed rc=%x qp_num=%x",
+ "ehca_mmap_qp() failed rc=%i qp_num=%x",
ret, qp->ib_qp.qp_num);
return ret;
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-29 08:52:20 +0000