#else
#define OV5_CMO 0x00
#endif
+#define OV5_TYPE1_AFFINITY 0x80 /* Type 1 NUMA affinity */
/* Option Vector 6: IBM PAPR hints */
#define OV6_LINUX 0x02 /* Linux is our OS */
OV5_DONATE_DEDICATE_CPU | OV5_MSI,
0,
OV5_CMO,
- 0,
+ OV5_TYPE1_AFFINITY,
0,
0,
0,
*/
static int __init find_min_common_depth(void)
{
- int depth;
+ int depth, index;
const unsigned int *ref_points;
struct device_node *rtas_root;
unsigned int len;
+ struct device_node *options;
rtas_root = of_find_node_by_path("/rtas");
* configuration (should be all 0's) and the second is for a normal
* NUMA configuration.
*/
+ index = 1;
ref_points = of_get_property(rtas_root,
"ibm,associativity-reference-points", &len);
+ /*
+ * For type 1 affinity information we want the first field
+ */
+ options = of_find_node_by_path("/options");
+ if (options) {
+ const char *str;
+ str = of_get_property(options, "ibm,associativity-form", NULL);
+ if (str && !strcmp(str, "1"))
+ index = 0;
+ }
+
if ((len >= 2 * sizeof(unsigned int)) && ref_points) {
- depth = ref_points[1];
+ depth = ref_points[index];
} else {
dbg("NUMA: ibm,associativity-reference-points not found.\n");
depth = -1;