diff options
| -rw-r--r-- | arch/arm/xen/enlighten.c | 8 | ||||
| -rw-r--r-- | include/xen/interface/memory.h | 6 |
2 files changed, 11 insertions, 3 deletions
diff --git a/arch/arm/xen/enlighten.c b/arch/arm/xen/enlighten.c index 7a32976..8dc0605 100644 --- a/arch/arm/xen/enlighten.c +++ b/arch/arm/xen/enlighten.c @@ -59,14 +59,16 @@ static int map_foreign_page(unsigned long lpfn, unsigned long fgmfn, }; xen_ulong_t idx = fgmfn; xen_pfn_t gpfn = lpfn; + int err = 0; set_xen_guest_handle(xatp.idxs, &idx); set_xen_guest_handle(xatp.gpfns, &gpfn); + set_xen_guest_handle(xatp.errs, &err); rc = HYPERVISOR_memory_op(XENMEM_add_to_physmap_range, &xatp); - if (rc) { - pr_warn("Failed to map pfn to mfn rc:%d pfn:%lx mfn:%lx\n", - rc, lpfn, fgmfn); + if (rc || err) { + pr_warn("Failed to map pfn to mfn rc:%d:%d pfn:%lx mfn:%lx\n", + rc, err, lpfn, fgmfn); return 1; } return 0; diff --git a/include/xen/interface/memory.h b/include/xen/interface/memory.h index b40a431..2ecfe4f 100644 --- a/include/xen/interface/memory.h +++ b/include/xen/interface/memory.h @@ -190,6 +190,7 @@ DEFINE_GUEST_HANDLE_STRUCT(xen_add_to_physmap); #define XENMEM_add_to_physmap_range 23 struct xen_add_to_physmap_range { + /* IN */ /* Which domain to change the mapping for. */ domid_t domid; uint16_t space; /* => enum phys_map_space */ @@ -203,6 +204,11 @@ struct xen_add_to_physmap_range { /* GPFN in domid where the source mapping page should appear. */ GUEST_HANDLE(xen_pfn_t) gpfns; + + /* OUT */ + + /* Per index error code. */ + GUEST_HANDLE(int) errs; }; DEFINE_GUEST_HANDLE_STRUCT(xen_add_to_physmap_range); |
