diff options
| -rw-r--r-- | driver/rdma.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/driver/rdma.c b/driver/rdma.c index b1d939a..c601188 100644 --- a/driver/rdma.c +++ b/driver/rdma.c @@ -42,11 +42,13 @@ static unsigned long pcidriver_follow_pte(struct mm_struct *mm, unsigned long ad return pfn; } -unsigned long pcidriver_resolve_bar(unsigned long address) { +unsigned long pcidriver_resolve_bar(unsigned long bar_address) { int dev, bar; unsigned long pfn; + unsigned long address; - address = (address >> PAGE_SHIFT) << PAGE_SHIFT; + address = (bar_address >> PAGE_SHIFT) << PAGE_SHIFT; + offset = bar_address - address; pfn = pcidriver_follow_pte(current->mm, address); for (dev = 0; dev < MAXDEVICES; dev++) @@ -59,7 +61,7 @@ unsigned long pcidriver_resolve_bar(unsigned long address) { unsigned long start = pci_resource_start(privdata->pdev, bar); unsigned long end = start + pci_resource_len(privdata->pdev, bar); if ((pfn >= start)&&(pfn < end)) - return pfn; + return pfn + offset; } pcidriver_put_privdata(privdata); } |