X-Git-Url: http://git.cascardo.eti.br/?a=blobdiff_plain;f=drivers%2Finfiniband%2Fhw%2Fehca%2Fehca_uverbs.c;h=84a16bcfd5363183f73cd36e5de26b005070ae48;hb=e390d3b52f791fcea26312ba4982cda82052727b;hp=05c415744e3bfabbed45fbdc2b3d7b66f75bd214;hpb=ce524c8360d60cc6d3f77986bd58c4448d2b1e3a;p=cascardo%2Flinux.git

diff --git a/drivers/infiniband/hw/ehca/ehca_uverbs.c b/drivers/infiniband/hw/ehca/ehca_uverbs.c
index 05c415744e3b..84a16bcfd536 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;
 	}
@@ -118,8 +118,8 @@ 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);
 		return -ENOMEM;
@@ -149,7 +149,7 @@ static int ehca_mmap_queue(struct vm_area_struct *vma, struct ipz_queue *queue,
 			ehca_gen_err("vm_insert_page() failed rc=%x", ret);
 			return ret;
 		}
-		start +=  PAGE_SIZE;
+		start += PAGE_SIZE;
 	}
 	vma->vm_private_data = mm_count;
 	(*mm_count)++;
@@ -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);