[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [PATCH v2] libs/foreignmemory: Implement on NetBSD
On 28/01/2021 10:52, Andrew Cooper wrote: > On 26/01/2021 22:47, Manuel Bouyer wrote: >> diff --git a/tools/libs/foreignmemory/netbsd.c >> b/tools/libs/foreignmemory/netbsd.c >> index 54a418ebd6..a7e1d72ffc 100644 >> --- a/tools/libs/foreignmemory/netbsd.c >> +++ b/tools/libs/foreignmemory/netbsd.c >> @@ -97,7 +102,48 @@ void *osdep_map_foreign_batch(xenforeignmem_handle >> *fmem, uint32_t dom, >> int osdep_xenforeignmemory_unmap(xenforeignmemory_handle *fmem, >> void *addr, size_t num) >> { >> - return munmap(addr, num*XC_PAGE_SIZE); >> + return munmap(addr, num*PAGE_SIZE); >> +} >> + >> +int osdep_xenforeignmemory_restrict(xenforeignmemory_handle *fmem, >> + domid_t domid) >> +{ >> + errno = EOPNOTSUPP; >> + return -1; >> +} >> + >> +int osdep_xenforeignmemory_unmap_resource( >> + xenforeignmemory_handle *fmem, xenforeignmemory_resource_handle *fres) >> +{ >> + return fres ? munmap(fres->addr, fres->nr_frames << PAGE_SHIFT) : 0; >> +} >> + >> +int osdep_xenforeignmemory_map_resource( >> + xenforeignmemory_handle *fmem, xenforeignmemory_resource_handle *fres) >> +{ >> + privcmd_mmap_resource_t mr = { >> + .dom = fres->domid, >> + .type = fres->type, >> + .id = fres->id, >> + .idx = fres->frame, >> + .num = fres->nr_frames, >> + }; >> + int rc; >> + >> + fres->addr = mmap(fres->addr, fres->nr_frames << PAGE_SHIFT, >> + fres->prot, fres->flags | MAP_ANON | MAP_SHARED, -1, >> 0); >> + if ( fres->addr == MAP_FAILED ) >> + return -1; >> + >> + mr.addr = (uintptr_t)fres->addr; >> + >> + rc = ioctl(fmem->fd, IOCTL_PRIVCMD_MMAP_RESOURCE, &mr); >> + if ( rc ) >> + { >> + PERROR("ioctl failed"); > return -1; > > I was rebasing my resource_size fix over this patch. > > It would be easiest for me if I fix up and commit this patch, if > everyone is happy with that. FAOD I've committed a fixed up version of this patch as discussed. ~Andrew
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