diff options
Diffstat (limited to 'driver/rdma.c')
| -rw-r--r-- | driver/rdma.c | 23 |
1 files changed, 22 insertions, 1 deletions
diff --git a/driver/rdma.c b/driver/rdma.c index 22a4a5e..78c6d69 100644 --- a/driver/rdma.c +++ b/driver/rdma.c @@ -7,7 +7,12 @@ #include <linux/mm.h> #include <linux/pagemap.h> #include <linux/hugetlb.h> +#include <linux/cdev.h> +#include "config.h" +#include "compat.h" +#include "pciDriver.h" +#include "common.h" #include "rdma.h" static unsigned long pcidriver_follow_pte(struct mm_struct *mm, unsigned long address) @@ -42,12 +47,28 @@ static unsigned long pcidriver_follow_pte(struct mm_struct *mm, unsigned long ad } unsigned long pcidriver_resolve_bar(unsigned long address) { + int dev, bar; unsigned long pfn; address = (address >> PAGE_SHIFT) << PAGE_SHIFT; pfn = pcidriver_follow_pte(current->mm, address); - return pfn; + for (dev = 0; dev < MAXDEVICES; dev++) + { + pcidriver_privdata_t *privdata = pcidriver_get_privdata(dev); + if (!privdata) continue; + + for (bar = 0; bar < 6; bar++) + { + 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; + } + pcidriver_put_privdata(privdata); + } + + return 0; } EXPORT_SYMBOL(pcidriver_resolve_bar); |