/* TODO: seems to be right, but doesn't seem to be working (EINVAL), even after
* aligning the range on 64K... */
static int
hwloc_aix_set_area_membind(hwloc_topology_t topology, const void *addr, size_t len, hwloc_const_nodeset_t nodeset, hwloc_membind_policy_t policy, int flags)
{
subrange_t subrange;
rsid_t rsid = { .at_subrange = &subrange };
uint_t aix_policy;
int ret;
fprintf(stderr,"yop\n");
if ((flags & (HWLOC_MEMBIND_MIGRATE|HWLOC_MEMBIND_STRICT))
== (HWLOC_MEMBIND_MIGRATE|HWLOC_MEMBIND_STRICT)) {
errno = ENOSYS;
return -1;
}
subrange.su_offset = (uintptr_t) addr;
subrange.su_length = len;
subrange.su_rstype = R_RSET;
if (hwloc_aix_membind_policy_from_hwloc(&aix_policy, policy))
return -1;
if (hwloc_aix_prepare_membind(topology, &subrange.su_rsid.at_rset, nodeset, flags))
return -1;
subrange.su_policy = aix_policy;
ret = ra_attachrset(R_SUBRANGE, rsid, subrange.su_rsid.at_rset, 0);
rs_free(subrange.su_rsid.at_rset);
return ret;
}
static int
hwloc_aix_set_sth_membind(hwloc_topology_t topology, rstype_t what, rsid_t who, hwloc_const_bitmap_t nodeset, hwloc_membind_policy_t policy, int flags)
{
rsethandle_t rad;
int res;
if (flags & HWLOC_MEMBIND_NOCPUBIND) {
errno = ENOSYS;
return -1;
}
switch (policy) {
case HWLOC_MEMBIND_DEFAULT:
case HWLOC_MEMBIND_BIND:
break;
default:
errno = ENOSYS;
return -1;
}
if (hwloc_aix_prepare_membind(topology, &rad, nodeset, flags))
return -1;
res = ra_attachrset(what, who, rad, 0);
rs_free(rad);
return res;
}
static void *
hwloc_aix_alloc_membind(hwloc_topology_t topology, size_t len, hwloc_const_nodeset_t nodeset, hwloc_membind_policy_t policy, int flags)
{
void *ret;
rsid_t rsid;
uint_t aix_policy;
if (hwloc_aix_membind_policy_from_hwloc(&aix_policy, policy))
return hwloc_alloc_or_fail(topology, len, flags);
if (hwloc_aix_prepare_membind(topology, &rsid.at_rset, nodeset, flags))
return hwloc_alloc_or_fail(topology, len, flags);
ret = ra_mmap(NULL, len, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0, R_RSET, rsid, aix_policy);
rs_free(rsid.at_rset);
return ret;
}
/* TODO: seems to be right, but doesn't seem to be working (EINVAL), even after
* aligning the range on 64K... */
static int
hwloc_aix_set_area_membind(hwloc_topology_t topology, const void *addr, size_t len, hwloc_const_nodeset_t nodeset, hwloc_membind_policy_t policy, int flags)
{
subrange_t subrange;
rsid_t rsid = { .at_subrange = &subrange };
uint_t aix_policy;
int ret;
fprintf(stderr,"yop\n");
if ((flags & (HWLOC_MEMBIND_MIGRATE|HWLOC_MEMBIND_STRICT))
== (HWLOC_MEMBIND_MIGRATE|HWLOC_MEMBIND_STRICT)) {
errno = ENOSYS;
return -1;
}
subrange.su_offset = (uintptr_t) addr;
subrange.su_length = len;
subrange.su_rstype = R_RSET;
if (hwloc_aix_membind_policy_from_hwloc(&aix_policy, policy))
return -1;
if (hwloc_aix_prepare_membind(topology, &subrange.su_rsid.at_rset, nodeset, flags))
return -1;
subrange.su_policy = aix_policy;
res = ra_attachrset(R_SUBRANGE, rsid, subrange.su_rsid.at_rset, 0);
if (res < 0 && errno == EPERM) {
/* EPERM may mean that one thread has ben bound with bindprocessor().
* Unbind the entire process (we can't unbind individual threads)
* and try again.
* FIXME: actually check that this EPERM can happen
*/
bindprocessor(BINDPROCESS, getpid(), PROCESSOR_CLASS_ANY);
res = ra_attachrset(R_SUBRANGE, rsid, subrange.su_rsid.at_rset, 0);
}
rs_free(subrange.su_rsid.at_rset);
return ret;
}
static int
hwloc_aix_set_sth_membind(hwloc_topology_t topology, rstype_t what, rsid_t who, pid_t pid, hwloc_const_bitmap_t nodeset, hwloc_membind_policy_t policy, int flags)
{
rsethandle_t rad;
int res;
if (flags & HWLOC_MEMBIND_NOCPUBIND) {
errno = ENOSYS;
return -1;
}
switch (policy) {
case HWLOC_MEMBIND_DEFAULT:
case HWLOC_MEMBIND_BIND:
break;
default:
errno = ENOSYS;
return -1;
}
if (hwloc_aix_prepare_membind(topology, &rad, nodeset, flags))
return -1;
res = ra_attachrset(what, who, rad, 0);
if (res < 0 && errno == EPERM) {
/* EPERM may mean that one thread has ben bound with bindprocessor().
* Unbind the entire process (we can't unbind individual threads)
* and try again.
*/
bindprocessor(BINDPROCESS, pid, PROCESSOR_CLASS_ANY);
res = ra_attachrset(what, who, rad, 0);
}
rs_free(rad);
return res;
}
