void *xc_map_foreign_ranges(int xc_handle, uint32_t dom,
size_t size, int prot, size_t chunksize,
privcmd_mmap_entry_t entries[], int nentries)
{
unsigned long *mfns;
int i, j, n;
unsigned long pt_prot = 0;
void *ret;
#ifdef __ia64__
/* TODO */
#else
if (prot & PROT_READ)
pt_prot = L1_PROT_RO;
if (prot & PROT_WRITE)
pt_prot = L1_PROT;
#endif
mfns = malloc((size / PAGE_SIZE) * sizeof(*mfns));
n = 0;
for (i = 0; i < nentries; i++)
for (j = 0; j < chunksize / PAGE_SIZE; j++)
mfns[n++] = entries[i].mfn + j;
ret = map_frames_ex(mfns, n, 1, 0, 1, dom, 0, pt_prot);
free(mfns);
return ret;
}
void *mmap(void *start, size_t length, int prot, int flags, int fd, off_t offset)
{
unsigned long n = (length + PAGE_SIZE - 1) / PAGE_SIZE;
ASSERT(!start);
ASSERT(prot == (PROT_READ|PROT_WRITE));
ASSERT((fd == -1 && (flags == (MAP_SHARED|MAP_ANON) || flags == (MAP_PRIVATE|MAP_ANON)))
|| (fd != -1 && flags == MAP_SHARED));
if (fd == -1)
return map_zero(n, 1);
else if (files[fd].type == FTYPE_XC) {
unsigned long zero = 0;
return map_frames_ex(&zero, n, 0, 0, 1, DOMID_SELF, NULL, 0);
} else if (files[fd].type == FTYPE_MEM) {
unsigned long first_mfn = offset >> PAGE_SHIFT;
return map_frames_ex(&first_mfn, n, 0, 1, 1, DOMID_IO, NULL, _PAGE_PRESENT|_PAGE_RW);
} else ASSERT(0);
void *osdep_xenforeignmemory_map(xenforeignmemory_handle *fmem,
uint32_t dom, void *addr,
int prot, int flags, size_t num,
const xen_pfn_t arr[/*num*/], int err[/*num*/])
{
unsigned long pt_prot = 0;
if (prot & PROT_READ)
pt_prot = L1_PROT_RO;
if (prot & PROT_WRITE)
pt_prot = L1_PROT;
return map_frames_ex(arr, num, 1, 0, 1, dom, err, pt_prot);
}
void *xc_map_foreign_batch(int xc_handle, uint32_t dom, int prot,
xen_pfn_t *arr, int num)
{
unsigned long pt_prot = 0;
#ifdef __ia64__
/* TODO */
#else
if (prot & PROT_READ)
pt_prot = L1_PROT_RO;
if (prot & PROT_WRITE)
pt_prot = L1_PROT;
#endif
return map_frames_ex(arr, num, 1, 0, 1, dom, 1, pt_prot);
}
void *xc_map_foreign_range(int xc_handle, uint32_t dom,
int size, int prot,
unsigned long mfn)
{
unsigned long pt_prot = 0;
#ifdef __ia64__
/* TODO */
#else
if (prot & PROT_READ)
pt_prot = L1_PROT_RO;
if (prot & PROT_WRITE)
pt_prot = L1_PROT;
#endif
assert(!(size % getpagesize()));
return map_frames_ex(&mfn, size / getpagesize(), 0, 1, 1, dom, 0, pt_prot);
}
